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457c8996 | 1 | // SPDX-License-Identifier: GPL-2.0-only |
55682965 JB |
2 | /* |
3 | * This is the new netlink-based wireless configuration interface. | |
4 | * | |
026331c4 | 5 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
2740f0cf | 6 | * Copyright 2013-2014 Intel Mobile Communications GmbH |
66cd794e | 7 | * Copyright 2015-2017 Intel Deutschland GmbH |
abaf94ec | 8 | * Copyright (C) 2018-2021 Intel Corporation |
55682965 JB |
9 | */ |
10 | ||
11 | #include <linux/if.h> | |
12 | #include <linux/module.h> | |
13 | #include <linux/err.h> | |
5a0e3ad6 | 14 | #include <linux/slab.h> |
55682965 JB |
15 | #include <linux/list.h> |
16 | #include <linux/if_ether.h> | |
17 | #include <linux/ieee80211.h> | |
18 | #include <linux/nl80211.h> | |
19 | #include <linux/rtnetlink.h> | |
20 | #include <linux/netlink.h> | |
259d8c1e | 21 | #include <linux/nospec.h> |
2a519311 | 22 | #include <linux/etherdevice.h> |
e3ae39ed | 23 | #include <linux/if_vlan.h> |
463d0183 | 24 | #include <net/net_namespace.h> |
55682965 JB |
25 | #include <net/genetlink.h> |
26 | #include <net/cfg80211.h> | |
463d0183 | 27 | #include <net/sock.h> |
2a0e047e | 28 | #include <net/inet_connection_sock.h> |
55682965 JB |
29 | #include "core.h" |
30 | #include "nl80211.h" | |
b2e1b302 | 31 | #include "reg.h" |
e35e4d28 | 32 | #include "rdev-ops.h" |
55682965 | 33 | |
5fb628e9 JM |
34 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
35 | struct genl_info *info, | |
36 | struct cfg80211_crypto_settings *settings, | |
37 | int cipher_limit); | |
38 | ||
55682965 | 39 | /* the netlink family */ |
489111e5 | 40 | static struct genl_family nl80211_fam; |
55682965 | 41 | |
2a94fe48 JB |
42 | /* multicast groups */ |
43 | enum nl80211_multicast_groups { | |
44 | NL80211_MCGRP_CONFIG, | |
45 | NL80211_MCGRP_SCAN, | |
46 | NL80211_MCGRP_REGULATORY, | |
47 | NL80211_MCGRP_MLME, | |
567ffc35 | 48 | NL80211_MCGRP_VENDOR, |
50bcd31d | 49 | NL80211_MCGRP_NAN, |
2a94fe48 JB |
50 | NL80211_MCGRP_TESTMODE /* keep last - ifdef! */ |
51 | }; | |
52 | ||
53 | static const struct genl_multicast_group nl80211_mcgrps[] = { | |
71b836ec JB |
54 | [NL80211_MCGRP_CONFIG] = { .name = NL80211_MULTICAST_GROUP_CONFIG }, |
55 | [NL80211_MCGRP_SCAN] = { .name = NL80211_MULTICAST_GROUP_SCAN }, | |
56 | [NL80211_MCGRP_REGULATORY] = { .name = NL80211_MULTICAST_GROUP_REG }, | |
57 | [NL80211_MCGRP_MLME] = { .name = NL80211_MULTICAST_GROUP_MLME }, | |
58 | [NL80211_MCGRP_VENDOR] = { .name = NL80211_MULTICAST_GROUP_VENDOR }, | |
50bcd31d | 59 | [NL80211_MCGRP_NAN] = { .name = NL80211_MULTICAST_GROUP_NAN }, |
2a94fe48 | 60 | #ifdef CONFIG_NL80211_TESTMODE |
71b836ec | 61 | [NL80211_MCGRP_TESTMODE] = { .name = NL80211_MULTICAST_GROUP_TESTMODE } |
2a94fe48 JB |
62 | #endif |
63 | }; | |
64 | ||
89a54e48 JB |
65 | /* returns ERR_PTR values */ |
66 | static struct wireless_dev * | |
a05829a7 JB |
67 | __cfg80211_wdev_from_attrs(struct cfg80211_registered_device *rdev, |
68 | struct net *netns, struct nlattr **attrs) | |
55682965 | 69 | { |
89a54e48 JB |
70 | struct wireless_dev *result = NULL; |
71 | bool have_ifidx = attrs[NL80211_ATTR_IFINDEX]; | |
72 | bool have_wdev_id = attrs[NL80211_ATTR_WDEV]; | |
239729a2 | 73 | u64 wdev_id = 0; |
89a54e48 JB |
74 | int wiphy_idx = -1; |
75 | int ifidx = -1; | |
55682965 | 76 | |
89a54e48 JB |
77 | if (!have_ifidx && !have_wdev_id) |
78 | return ERR_PTR(-EINVAL); | |
55682965 | 79 | |
89a54e48 JB |
80 | if (have_ifidx) |
81 | ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
82 | if (have_wdev_id) { | |
83 | wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
84 | wiphy_idx = wdev_id >> 32; | |
55682965 JB |
85 | } |
86 | ||
a05829a7 JB |
87 | if (rdev) { |
88 | struct wireless_dev *wdev; | |
89 | ||
90 | lockdep_assert_held(&rdev->wiphy.mtx); | |
91 | ||
92 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { | |
93 | if (have_ifidx && wdev->netdev && | |
94 | wdev->netdev->ifindex == ifidx) { | |
95 | result = wdev; | |
96 | break; | |
97 | } | |
98 | if (have_wdev_id && wdev->identifier == (u32)wdev_id) { | |
99 | result = wdev; | |
100 | break; | |
101 | } | |
102 | } | |
103 | ||
104 | return result ?: ERR_PTR(-ENODEV); | |
105 | } | |
106 | ||
107 | ASSERT_RTNL(); | |
108 | ||
89a54e48 JB |
109 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
110 | struct wireless_dev *wdev; | |
111 | ||
112 | if (wiphy_net(&rdev->wiphy) != netns) | |
113 | continue; | |
114 | ||
115 | if (have_wdev_id && rdev->wiphy_idx != wiphy_idx) | |
116 | continue; | |
117 | ||
53873f13 | 118 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
89a54e48 JB |
119 | if (have_ifidx && wdev->netdev && |
120 | wdev->netdev->ifindex == ifidx) { | |
121 | result = wdev; | |
122 | break; | |
123 | } | |
124 | if (have_wdev_id && wdev->identifier == (u32)wdev_id) { | |
125 | result = wdev; | |
126 | break; | |
127 | } | |
128 | } | |
89a54e48 JB |
129 | |
130 | if (result) | |
131 | break; | |
132 | } | |
133 | ||
134 | if (result) | |
135 | return result; | |
136 | return ERR_PTR(-ENODEV); | |
55682965 JB |
137 | } |
138 | ||
a9455408 | 139 | static struct cfg80211_registered_device * |
878d9ec7 | 140 | __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs) |
a9455408 | 141 | { |
7fee4778 JB |
142 | struct cfg80211_registered_device *rdev = NULL, *tmp; |
143 | struct net_device *netdev; | |
a9455408 | 144 | |
5fe231e8 | 145 | ASSERT_RTNL(); |
a9455408 | 146 | |
878d9ec7 | 147 | if (!attrs[NL80211_ATTR_WIPHY] && |
89a54e48 JB |
148 | !attrs[NL80211_ATTR_IFINDEX] && |
149 | !attrs[NL80211_ATTR_WDEV]) | |
7fee4778 JB |
150 | return ERR_PTR(-EINVAL); |
151 | ||
878d9ec7 | 152 | if (attrs[NL80211_ATTR_WIPHY]) |
7fee4778 | 153 | rdev = cfg80211_rdev_by_wiphy_idx( |
878d9ec7 | 154 | nla_get_u32(attrs[NL80211_ATTR_WIPHY])); |
a9455408 | 155 | |
89a54e48 JB |
156 | if (attrs[NL80211_ATTR_WDEV]) { |
157 | u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
158 | struct wireless_dev *wdev; | |
159 | bool found = false; | |
160 | ||
161 | tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32); | |
162 | if (tmp) { | |
163 | /* make sure wdev exists */ | |
53873f13 | 164 | list_for_each_entry(wdev, &tmp->wiphy.wdev_list, list) { |
89a54e48 JB |
165 | if (wdev->identifier != (u32)wdev_id) |
166 | continue; | |
167 | found = true; | |
168 | break; | |
169 | } | |
89a54e48 JB |
170 | |
171 | if (!found) | |
172 | tmp = NULL; | |
173 | ||
174 | if (rdev && tmp != rdev) | |
175 | return ERR_PTR(-EINVAL); | |
176 | rdev = tmp; | |
177 | } | |
178 | } | |
179 | ||
878d9ec7 JB |
180 | if (attrs[NL80211_ATTR_IFINDEX]) { |
181 | int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
7a087e74 | 182 | |
7f2b8562 | 183 | netdev = __dev_get_by_index(netns, ifindex); |
7fee4778 JB |
184 | if (netdev) { |
185 | if (netdev->ieee80211_ptr) | |
f26cbf40 ZG |
186 | tmp = wiphy_to_rdev( |
187 | netdev->ieee80211_ptr->wiphy); | |
7fee4778 JB |
188 | else |
189 | tmp = NULL; | |
190 | ||
7fee4778 JB |
191 | /* not wireless device -- return error */ |
192 | if (!tmp) | |
193 | return ERR_PTR(-EINVAL); | |
194 | ||
195 | /* mismatch -- return error */ | |
196 | if (rdev && tmp != rdev) | |
197 | return ERR_PTR(-EINVAL); | |
198 | ||
199 | rdev = tmp; | |
a9455408 | 200 | } |
a9455408 | 201 | } |
a9455408 | 202 | |
4f7eff10 JB |
203 | if (!rdev) |
204 | return ERR_PTR(-ENODEV); | |
a9455408 | 205 | |
4f7eff10 JB |
206 | if (netns != wiphy_net(&rdev->wiphy)) |
207 | return ERR_PTR(-ENODEV); | |
208 | ||
209 | return rdev; | |
a9455408 JB |
210 | } |
211 | ||
212 | /* | |
213 | * This function returns a pointer to the driver | |
214 | * that the genl_info item that is passed refers to. | |
a9455408 JB |
215 | * |
216 | * The result of this can be a PTR_ERR and hence must | |
217 | * be checked with IS_ERR() for errors. | |
218 | */ | |
219 | static struct cfg80211_registered_device * | |
4f7eff10 | 220 | cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info) |
a9455408 | 221 | { |
5fe231e8 | 222 | return __cfg80211_rdev_from_attrs(netns, info->attrs); |
a9455408 JB |
223 | } |
224 | ||
f88eb7c0 JB |
225 | static int validate_beacon_head(const struct nlattr *attr, |
226 | struct netlink_ext_ack *extack) | |
227 | { | |
228 | const u8 *data = nla_data(attr); | |
229 | unsigned int len = nla_len(attr); | |
230 | const struct element *elem; | |
231 | const struct ieee80211_mgmt *mgmt = (void *)data; | |
1d47f119 | 232 | unsigned int fixedlen, hdrlen; |
9a6847ba | 233 | bool s1g_bcn; |
1d47f119 | 234 | |
9a6847ba JB |
235 | if (len < offsetofend(typeof(*mgmt), frame_control)) |
236 | goto err; | |
237 | ||
238 | s1g_bcn = ieee80211_is_s1g_beacon(mgmt->frame_control); | |
1d47f119 TP |
239 | if (s1g_bcn) { |
240 | fixedlen = offsetof(struct ieee80211_ext, | |
241 | u.s1g_beacon.variable); | |
242 | hdrlen = offsetof(struct ieee80211_ext, u.s1g_beacon); | |
243 | } else { | |
244 | fixedlen = offsetof(struct ieee80211_mgmt, | |
245 | u.beacon.variable); | |
246 | hdrlen = offsetof(struct ieee80211_mgmt, u.beacon); | |
247 | } | |
f88eb7c0 JB |
248 | |
249 | if (len < fixedlen) | |
250 | goto err; | |
251 | ||
1d47f119 | 252 | if (ieee80211_hdrlen(mgmt->frame_control) != hdrlen) |
f88eb7c0 JB |
253 | goto err; |
254 | ||
255 | data += fixedlen; | |
256 | len -= fixedlen; | |
257 | ||
258 | for_each_element(elem, data, len) { | |
259 | /* nothing */ | |
260 | } | |
261 | ||
262 | if (for_each_element_completed(elem, data, len)) | |
263 | return 0; | |
264 | ||
265 | err: | |
266 | NL_SET_ERR_MSG_ATTR(extack, attr, "malformed beacon head"); | |
267 | return -EINVAL; | |
268 | } | |
269 | ||
3d7af878 JB |
270 | static int validate_ie_attr(const struct nlattr *attr, |
271 | struct netlink_ext_ack *extack) | |
272 | { | |
9f308616 JB |
273 | const u8 *data = nla_data(attr); |
274 | unsigned int len = nla_len(attr); | |
7388afe0 | 275 | const struct element *elem; |
3d7af878 | 276 | |
9f308616 JB |
277 | for_each_element(elem, data, len) { |
278 | /* nothing */ | |
3d7af878 JB |
279 | } |
280 | ||
9f308616 JB |
281 | if (for_each_element_completed(elem, data, len)) |
282 | return 0; | |
283 | ||
3d7af878 JB |
284 | NL_SET_ERR_MSG_ATTR(extack, attr, "malformed information elements"); |
285 | return -EINVAL; | |
286 | } | |
287 | ||
55682965 | 288 | /* policy for the attributes */ |
d15da2a2 JB |
289 | static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR]; |
290 | ||
81e54d08 PKC |
291 | static const struct nla_policy |
292 | nl80211_ftm_responder_policy[NL80211_FTM_RESP_ATTR_MAX + 1] = { | |
293 | [NL80211_FTM_RESP_ATTR_ENABLED] = { .type = NLA_FLAG, }, | |
294 | [NL80211_FTM_RESP_ATTR_LCI] = { .type = NLA_BINARY, | |
295 | .len = U8_MAX }, | |
296 | [NL80211_FTM_RESP_ATTR_CIVICLOC] = { .type = NLA_BINARY, | |
297 | .len = U8_MAX }, | |
298 | }; | |
299 | ||
9bb7e0f2 JB |
300 | static const struct nla_policy |
301 | nl80211_pmsr_ftm_req_attr_policy[NL80211_PMSR_FTM_REQ_ATTR_MAX + 1] = { | |
302 | [NL80211_PMSR_FTM_REQ_ATTR_ASAP] = { .type = NLA_FLAG }, | |
303 | [NL80211_PMSR_FTM_REQ_ATTR_PREAMBLE] = { .type = NLA_U32 }, | |
304 | [NL80211_PMSR_FTM_REQ_ATTR_NUM_BURSTS_EXP] = | |
305 | NLA_POLICY_MAX(NLA_U8, 15), | |
306 | [NL80211_PMSR_FTM_REQ_ATTR_BURST_PERIOD] = { .type = NLA_U16 }, | |
307 | [NL80211_PMSR_FTM_REQ_ATTR_BURST_DURATION] = | |
308 | NLA_POLICY_MAX(NLA_U8, 15), | |
309 | [NL80211_PMSR_FTM_REQ_ATTR_FTMS_PER_BURST] = | |
ea18709a | 310 | NLA_POLICY_MAX(NLA_U8, 31), |
9bb7e0f2 JB |
311 | [NL80211_PMSR_FTM_REQ_ATTR_NUM_FTMR_RETRIES] = { .type = NLA_U8 }, |
312 | [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_LCI] = { .type = NLA_FLAG }, | |
313 | [NL80211_PMSR_FTM_REQ_ATTR_REQUEST_CIVICLOC] = { .type = NLA_FLAG }, | |
efb5520d AS |
314 | [NL80211_PMSR_FTM_REQ_ATTR_TRIGGER_BASED] = { .type = NLA_FLAG }, |
315 | [NL80211_PMSR_FTM_REQ_ATTR_NON_TRIGGER_BASED] = { .type = NLA_FLAG }, | |
73807523 | 316 | [NL80211_PMSR_FTM_REQ_ATTR_LMR_FEEDBACK] = { .type = NLA_FLAG }, |
9bb7e0f2 JB |
317 | }; |
318 | ||
319 | static const struct nla_policy | |
320 | nl80211_pmsr_req_data_policy[NL80211_PMSR_TYPE_MAX + 1] = { | |
321 | [NL80211_PMSR_TYPE_FTM] = | |
23323289 | 322 | NLA_POLICY_NESTED(nl80211_pmsr_ftm_req_attr_policy), |
9bb7e0f2 JB |
323 | }; |
324 | ||
325 | static const struct nla_policy | |
326 | nl80211_pmsr_req_attr_policy[NL80211_PMSR_REQ_ATTR_MAX + 1] = { | |
327 | [NL80211_PMSR_REQ_ATTR_DATA] = | |
23323289 | 328 | NLA_POLICY_NESTED(nl80211_pmsr_req_data_policy), |
9bb7e0f2 JB |
329 | [NL80211_PMSR_REQ_ATTR_GET_AP_TSF] = { .type = NLA_FLAG }, |
330 | }; | |
331 | ||
332 | static const struct nla_policy | |
aeddc05f | 333 | nl80211_pmsr_peer_attr_policy[NL80211_PMSR_PEER_ATTR_MAX + 1] = { |
9bb7e0f2 | 334 | [NL80211_PMSR_PEER_ATTR_ADDR] = NLA_POLICY_ETH_ADDR, |
d15da2a2 | 335 | [NL80211_PMSR_PEER_ATTR_CHAN] = NLA_POLICY_NESTED(nl80211_policy), |
9bb7e0f2 | 336 | [NL80211_PMSR_PEER_ATTR_REQ] = |
23323289 | 337 | NLA_POLICY_NESTED(nl80211_pmsr_req_attr_policy), |
9bb7e0f2 JB |
338 | [NL80211_PMSR_PEER_ATTR_RESP] = { .type = NLA_REJECT }, |
339 | }; | |
340 | ||
341 | static const struct nla_policy | |
342 | nl80211_pmsr_attr_policy[NL80211_PMSR_ATTR_MAX + 1] = { | |
343 | [NL80211_PMSR_ATTR_MAX_PEERS] = { .type = NLA_REJECT }, | |
344 | [NL80211_PMSR_ATTR_REPORT_AP_TSF] = { .type = NLA_REJECT }, | |
345 | [NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR] = { .type = NLA_REJECT }, | |
346 | [NL80211_PMSR_ATTR_TYPE_CAPA] = { .type = NLA_REJECT }, | |
347 | [NL80211_PMSR_ATTR_PEERS] = | |
aeddc05f | 348 | NLA_POLICY_NESTED_ARRAY(nl80211_pmsr_peer_attr_policy), |
9bb7e0f2 JB |
349 | }; |
350 | ||
796e90f4 JC |
351 | static const struct nla_policy |
352 | he_obss_pd_policy[NL80211_HE_OBSS_PD_ATTR_MAX + 1] = { | |
353 | [NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET] = | |
354 | NLA_POLICY_RANGE(NLA_U8, 1, 20), | |
355 | [NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET] = | |
356 | NLA_POLICY_RANGE(NLA_U8, 1, 20), | |
f5bec330 RM |
357 | [NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET] = |
358 | NLA_POLICY_RANGE(NLA_U8, 1, 20), | |
359 | [NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP] = | |
360 | NLA_POLICY_EXACT_LEN(8), | |
361 | [NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP] = | |
362 | NLA_POLICY_EXACT_LEN(8), | |
363 | [NL80211_HE_OBSS_PD_ATTR_SR_CTRL] = { .type = NLA_U8 }, | |
796e90f4 JC |
364 | }; |
365 | ||
5c5e52d1 JC |
366 | static const struct nla_policy |
367 | he_bss_color_policy[NL80211_HE_BSS_COLOR_ATTR_MAX + 1] = { | |
368 | [NL80211_HE_BSS_COLOR_ATTR_COLOR] = NLA_POLICY_RANGE(NLA_U8, 1, 63), | |
369 | [NL80211_HE_BSS_COLOR_ATTR_DISABLED] = { .type = NLA_FLAG }, | |
370 | [NL80211_HE_BSS_COLOR_ATTR_PARTIAL] = { .type = NLA_FLAG }, | |
371 | }; | |
372 | ||
9a5f6488 TC |
373 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { |
374 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, | |
375 | .len = NL80211_MAX_SUPP_RATES }, | |
376 | [NL80211_TXRATE_HT] = { .type = NLA_BINARY, | |
377 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
378 | [NL80211_TXRATE_VHT] = NLA_POLICY_EXACT_LEN_WARN(sizeof(struct nl80211_txrate_vht)), | |
379 | [NL80211_TXRATE_GI] = { .type = NLA_U8 }, | |
eb89a6a6 MH |
380 | [NL80211_TXRATE_HE] = NLA_POLICY_EXACT_LEN(sizeof(struct nl80211_txrate_he)), |
381 | [NL80211_TXRATE_HE_GI] = NLA_POLICY_RANGE(NLA_U8, | |
382 | NL80211_RATE_INFO_HE_GI_0_8, | |
383 | NL80211_RATE_INFO_HE_GI_3_2), | |
384 | [NL80211_TXRATE_HE_LTF] = NLA_POLICY_RANGE(NLA_U8, | |
385 | NL80211_RATE_INFO_HE_1XLTF, | |
386 | NL80211_RATE_INFO_HE_4XLTF), | |
9a5f6488 TC |
387 | }; |
388 | ||
77f576de T |
389 | static const struct nla_policy |
390 | nl80211_tid_config_attr_policy[NL80211_TID_CONFIG_ATTR_MAX + 1] = { | |
3710a8a6 JB |
391 | [NL80211_TID_CONFIG_ATTR_VIF_SUPP] = { .type = NLA_U64 }, |
392 | [NL80211_TID_CONFIG_ATTR_PEER_SUPP] = { .type = NLA_U64 }, | |
77f576de | 393 | [NL80211_TID_CONFIG_ATTR_OVERRIDE] = { .type = NLA_FLAG }, |
3710a8a6 | 394 | [NL80211_TID_CONFIG_ATTR_TIDS] = NLA_POLICY_RANGE(NLA_U16, 1, 0xff), |
77f576de T |
395 | [NL80211_TID_CONFIG_ATTR_NOACK] = |
396 | NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE), | |
6a21d16c T |
397 | [NL80211_TID_CONFIG_ATTR_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1), |
398 | [NL80211_TID_CONFIG_ATTR_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1), | |
ade274b2 T |
399 | [NL80211_TID_CONFIG_ATTR_AMPDU_CTRL] = |
400 | NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE), | |
04f7d142 T |
401 | [NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL] = |
402 | NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE), | |
33462e68 SM |
403 | [NL80211_TID_CONFIG_ATTR_AMSDU_CTRL] = |
404 | NLA_POLICY_MAX(NLA_U8, NL80211_TID_CONFIG_DISABLE), | |
9a5f6488 TC |
405 | [NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE] = |
406 | NLA_POLICY_MAX(NLA_U8, NL80211_TX_RATE_FIXED), | |
407 | [NL80211_TID_CONFIG_ATTR_TX_RATE] = | |
408 | NLA_POLICY_NESTED(nl80211_txattr_policy), | |
77f576de T |
409 | }; |
410 | ||
291c49de AD |
411 | static const struct nla_policy |
412 | nl80211_fils_discovery_policy[NL80211_FILS_DISCOVERY_ATTR_MAX + 1] = { | |
413 | [NL80211_FILS_DISCOVERY_ATTR_INT_MIN] = NLA_POLICY_MAX(NLA_U32, 10000), | |
414 | [NL80211_FILS_DISCOVERY_ATTR_INT_MAX] = NLA_POLICY_MAX(NLA_U32, 10000), | |
272cd0e8 AD |
415 | [NL80211_FILS_DISCOVERY_ATTR_TMPL] = |
416 | NLA_POLICY_RANGE(NLA_BINARY, | |
417 | NL80211_FILS_DISCOVERY_TMPL_MIN_LEN, | |
418 | IEEE80211_MAX_DATA_LEN), | |
291c49de AD |
419 | }; |
420 | ||
7443dcd1 AD |
421 | static const struct nla_policy |
422 | nl80211_unsol_bcast_probe_resp_policy[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1] = { | |
423 | [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] = NLA_POLICY_MAX(NLA_U32, 20), | |
424 | [NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL] = { .type = NLA_BINARY, | |
425 | .len = IEEE80211_MAX_DATA_LEN } | |
426 | }; | |
427 | ||
6bdb68ce CH |
428 | static const struct nla_policy |
429 | sar_specs_policy[NL80211_SAR_ATTR_SPECS_MAX + 1] = { | |
430 | [NL80211_SAR_ATTR_SPECS_POWER] = { .type = NLA_S32 }, | |
431 | [NL80211_SAR_ATTR_SPECS_RANGE_INDEX] = {.type = NLA_U32 }, | |
432 | }; | |
433 | ||
434 | static const struct nla_policy | |
435 | sar_policy[NL80211_SAR_ATTR_MAX + 1] = { | |
436 | [NL80211_SAR_ATTR_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_SAR_TYPE), | |
437 | [NL80211_SAR_ATTR_SPECS] = NLA_POLICY_NESTED_ARRAY(sar_specs_policy), | |
438 | }; | |
439 | ||
d15da2a2 | 440 | static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { |
6d4dd4ef | 441 | [0] = { .strict_start_type = NL80211_ATTR_HE_OBSS_PD }, |
55682965 JB |
442 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, |
443 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, | |
079e24ed | 444 | .len = 20-1 }, |
31888487 | 445 | [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, |
3d9d1d66 | 446 | |
72bdcf34 | 447 | [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, |
094d05dc | 448 | [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 }, |
2a38075c AAL |
449 | [NL80211_ATTR_WIPHY_EDMG_CHANNELS] = NLA_POLICY_RANGE(NLA_U8, |
450 | NL80211_EDMG_CHANNELS_MIN, | |
451 | NL80211_EDMG_CHANNELS_MAX), | |
452 | [NL80211_ATTR_WIPHY_EDMG_BW_CONFIG] = NLA_POLICY_RANGE(NLA_U8, | |
453 | NL80211_EDMG_BW_CONFIG_MIN, | |
454 | NL80211_EDMG_BW_CONFIG_MAX), | |
455 | ||
3d9d1d66 JB |
456 | [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 }, |
457 | [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 }, | |
942ba88b | 458 | [NL80211_ATTR_CENTER_FREQ1_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999), |
3d9d1d66 JB |
459 | [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 }, |
460 | ||
ab0d76f6 JB |
461 | [NL80211_ATTR_WIPHY_RETRY_SHORT] = NLA_POLICY_MIN(NLA_U8, 1), |
462 | [NL80211_ATTR_WIPHY_RETRY_LONG] = NLA_POLICY_MIN(NLA_U8, 1), | |
b9a5f8ca JM |
463 | [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, |
464 | [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, | |
81077e82 | 465 | [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, |
3057dbfd | 466 | [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG }, |
55682965 | 467 | |
ab0d76f6 | 468 | [NL80211_ATTR_IFTYPE] = NLA_POLICY_MAX(NLA_U32, NL80211_IFTYPE_MAX), |
55682965 JB |
469 | [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, |
470 | [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
41ade00f | 471 | |
c7721c05 JB |
472 | [NL80211_ATTR_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN), |
473 | [NL80211_ATTR_PREV_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN), | |
41ade00f | 474 | |
b9454e83 | 475 | [NL80211_ATTR_KEY] = { .type = NLA_NESTED, }, |
41ade00f JB |
476 | [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, |
477 | .len = WLAN_MAX_KEY_LEN }, | |
56be393f | 478 | [NL80211_ATTR_KEY_IDX] = NLA_POLICY_MAX(NLA_U8, 7), |
41ade00f JB |
479 | [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, |
480 | [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
81962267 | 481 | [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
ab0d76f6 JB |
482 | [NL80211_ATTR_KEY_TYPE] = |
483 | NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES), | |
ed1b6cc7 JB |
484 | |
485 | [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, | |
486 | [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, | |
f88eb7c0 JB |
487 | [NL80211_ATTR_BEACON_HEAD] = |
488 | NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_beacon_head, | |
489 | IEEE80211_MAX_DATA_LEN), | |
3d7af878 JB |
490 | [NL80211_ATTR_BEACON_TAIL] = |
491 | NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr, | |
492 | IEEE80211_MAX_DATA_LEN), | |
ab0d76f6 JB |
493 | [NL80211_ATTR_STA_AID] = |
494 | NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID), | |
5727ef1b JB |
495 | [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, |
496 | [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, | |
497 | [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, | |
498 | .len = NL80211_MAX_SUPP_RATES }, | |
ab0d76f6 JB |
499 | [NL80211_ATTR_STA_PLINK_ACTION] = |
500 | NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_ACTIONS - 1), | |
e96d1cd2 ARN |
501 | [NL80211_ATTR_STA_TX_POWER_SETTING] = |
502 | NLA_POLICY_RANGE(NLA_U8, | |
503 | NL80211_TX_POWER_AUTOMATIC, | |
504 | NL80211_TX_POWER_FIXED), | |
505 | [NL80211_ATTR_STA_TX_POWER] = { .type = NLA_S16 }, | |
5727ef1b | 506 | [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, |
0a9542ee | 507 | [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, |
2ec600d6 | 508 | [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, |
a4f606ea | 509 | .len = IEEE80211_MAX_MESH_ID_LEN }, |
1fab1b89 | 510 | [NL80211_ATTR_MPATH_NEXT_HOP] = NLA_POLICY_ETH_ADDR_COMPAT, |
9f1ba906 | 511 | |
b2e1b302 LR |
512 | [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, |
513 | [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED }, | |
514 | ||
9f1ba906 JM |
515 | [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 }, |
516 | [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 }, | |
517 | [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 }, | |
90c97a04 JM |
518 | [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY, |
519 | .len = NL80211_MAX_SUPP_RATES }, | |
50b12f59 | 520 | [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 }, |
36aedc90 | 521 | |
24bdd9f4 | 522 | [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, |
15d5dda6 | 523 | [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG }, |
93da9cc1 | 524 | |
c7721c05 | 525 | [NL80211_ATTR_HT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_HT_CAPABILITY_LEN), |
9aed3cc1 JM |
526 | |
527 | [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, | |
3d7af878 JB |
528 | [NL80211_ATTR_IE] = NLA_POLICY_VALIDATE_FN(NLA_BINARY, |
529 | validate_ie_attr, | |
530 | IEEE80211_MAX_DATA_LEN), | |
2a519311 JB |
531 | [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED }, |
532 | [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED }, | |
636a5d36 JM |
533 | |
534 | [NL80211_ATTR_SSID] = { .type = NLA_BINARY, | |
535 | .len = IEEE80211_MAX_SSID_LEN }, | |
536 | [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 }, | |
537 | [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 }, | |
04a773ad | 538 | [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG }, |
1965c853 | 539 | [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG }, |
ab0d76f6 JB |
540 | [NL80211_ATTR_USE_MFP] = NLA_POLICY_RANGE(NLA_U32, |
541 | NL80211_MFP_NO, | |
542 | NL80211_MFP_OPTIONAL), | |
eccb8e8f JB |
543 | [NL80211_ATTR_STA_FLAGS2] = { |
544 | .len = sizeof(struct nl80211_sta_flag_update), | |
545 | }, | |
3f77316c | 546 | [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG }, |
c0692b8f JB |
547 | [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, |
548 | [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, | |
64bf3d4b | 549 | [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG }, |
b23aa676 | 550 | [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, |
ea750801 | 551 | [NL80211_ATTR_STATUS_CODE] = { .type = NLA_U16 }, |
b23aa676 SO |
552 | [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, |
553 | [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, | |
463d0183 | 554 | [NL80211_ATTR_PID] = { .type = NLA_U32 }, |
8b787643 | 555 | [NL80211_ATTR_4ADDR] = { .type = NLA_U8 }, |
c7721c05 | 556 | [NL80211_ATTR_PMKID] = NLA_POLICY_EXACT_LEN_WARN(WLAN_PMKID_LEN), |
9588bbd5 JM |
557 | [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, |
558 | [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, | |
13ae75b1 | 559 | [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, |
026331c4 JM |
560 | [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, |
561 | .len = IEEE80211_MAX_DATA_LEN }, | |
562 | [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, | |
ab0d76f6 JB |
563 | [NL80211_ATTR_PS_STATE] = NLA_POLICY_RANGE(NLA_U32, |
564 | NL80211_PS_DISABLED, | |
565 | NL80211_PS_ENABLED), | |
d6dc1a38 | 566 | [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, |
d5cdfacb | 567 | [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, |
fd8aaaf3 | 568 | [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, |
98d2ff8b JO |
569 | [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, |
570 | [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, | |
2e161f78 | 571 | [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, |
afe0cbf8 BR |
572 | [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, |
573 | [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, | |
885a46d0 | 574 | [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, |
f7ca38df | 575 | [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, |
dbd2fd65 | 576 | [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
ff1b6e69 | 577 | [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, |
ab0d76f6 JB |
578 | [NL80211_ATTR_STA_PLINK_STATE] = |
579 | NLA_POLICY_MAX(NLA_U8, NUM_NL80211_PLINK_STATES - 1), | |
056e9375 JK |
580 | [NL80211_ATTR_MEASUREMENT_DURATION] = { .type = NLA_U16 }, |
581 | [NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY] = { .type = NLA_FLAG }, | |
ab0d76f6 JB |
582 | [NL80211_ATTR_MESH_PEER_AID] = |
583 | NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID), | |
bbe6ad6d | 584 | [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, |
e5497d76 | 585 | [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED }, |
34850ab2 | 586 | [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED }, |
ab0d76f6 JB |
587 | [NL80211_ATTR_HIDDEN_SSID] = |
588 | NLA_POLICY_RANGE(NLA_U32, | |
589 | NL80211_HIDDEN_SSID_NOT_IN_USE, | |
590 | NL80211_HIDDEN_SSID_ZERO_CONTENTS), | |
3d7af878 JB |
591 | [NL80211_ATTR_IE_PROBE_RESP] = |
592 | NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr, | |
593 | IEEE80211_MAX_DATA_LEN), | |
594 | [NL80211_ATTR_IE_ASSOC_RESP] = | |
595 | NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr, | |
596 | IEEE80211_MAX_DATA_LEN), | |
f4b34b55 | 597 | [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG }, |
a1f1c21c | 598 | [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED }, |
e9f935e3 | 599 | [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG }, |
109086ce AN |
600 | [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 }, |
601 | [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 }, | |
602 | [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 }, | |
603 | [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG }, | |
604 | [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG }, | |
31fa97c5 | 605 | [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG }, |
e247bd90 | 606 | [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, |
00f740e1 AN |
607 | [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY, |
608 | .len = IEEE80211_MAX_DATA_LEN }, | |
8b60b078 | 609 | [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 }, |
7e7c8926 BG |
610 | [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG }, |
611 | [NL80211_ATTR_HT_CAPABILITY_MASK] = { | |
612 | .len = NL80211_HT_CAPABILITY_LEN | |
613 | }, | |
1d9d9213 | 614 | [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, |
1b658f11 | 615 | [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 }, |
4486ea98 | 616 | [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 }, |
89a54e48 | 617 | [NL80211_ATTR_WDEV] = { .type = NLA_U64 }, |
57b5ce07 | 618 | [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 }, |
cb9abd48 JB |
619 | |
620 | /* need to include at least Auth Transaction and Status Code */ | |
621 | [NL80211_ATTR_AUTH_DATA] = NLA_POLICY_MIN_LEN(4), | |
622 | ||
c7721c05 | 623 | [NL80211_ATTR_VHT_CAPABILITY] = NLA_POLICY_EXACT_LEN_WARN(NL80211_VHT_CAPABILITY_LEN), |
ed473771 | 624 | [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 }, |
ab0d76f6 JB |
625 | [NL80211_ATTR_P2P_CTWINDOW] = NLA_POLICY_MAX(NLA_U8, 127), |
626 | [NL80211_ATTR_P2P_OPPPS] = NLA_POLICY_MAX(NLA_U8, 1), | |
627 | [NL80211_ATTR_LOCAL_MESH_POWER_MODE] = | |
628 | NLA_POLICY_RANGE(NLA_U32, | |
629 | NL80211_MESH_POWER_UNKNOWN + 1, | |
630 | NL80211_MESH_POWER_MAX), | |
77765eaf VT |
631 | [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 }, |
632 | [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED }, | |
9d62a986 JM |
633 | [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 }, |
634 | [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, }, | |
3713b4e3 | 635 | [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, }, |
ee2aca34 JB |
636 | [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG }, |
637 | [NL80211_ATTR_VHT_CAPABILITY_MASK] = { | |
638 | .len = NL80211_VHT_CAPABILITY_LEN, | |
639 | }, | |
355199e0 JM |
640 | [NL80211_ATTR_MDID] = { .type = NLA_U16 }, |
641 | [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY, | |
642 | .len = IEEE80211_MAX_DATA_LEN }, | |
0e1a1d85 | 643 | [NL80211_ATTR_CRIT_PROT_ID] = { .type = NLA_U16 }, |
cb9abd48 JB |
644 | [NL80211_ATTR_MAX_CRIT_PROT_DURATION] = |
645 | NLA_POLICY_MAX(NLA_U16, NL80211_CRIT_PROTO_MAX_DURATION), | |
ab0d76f6 JB |
646 | [NL80211_ATTR_PEER_AID] = |
647 | NLA_POLICY_RANGE(NLA_U16, 1, IEEE80211_MAX_AID), | |
16ef1fe2 SW |
648 | [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 }, |
649 | [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG }, | |
650 | [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED }, | |
00c207ed JC |
651 | [NL80211_ATTR_CNTDWN_OFFS_BEACON] = { .type = NLA_BINARY }, |
652 | [NL80211_ATTR_CNTDWN_OFFS_PRESP] = { .type = NLA_BINARY }, | |
cb9abd48 | 653 | [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = NLA_POLICY_MIN_LEN(2), |
c8b82802 JB |
654 | /* |
655 | * The value of the Length field of the Supported Operating | |
656 | * Classes element is between 2 and 253. | |
657 | */ | |
658 | [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = | |
659 | NLA_POLICY_RANGE(NLA_BINARY, 2, 253), | |
5336fa88 | 660 | [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG }, |
60f4a7b1 | 661 | [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 }, |
ad7e718c JB |
662 | [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 }, |
663 | [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 }, | |
664 | [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY }, | |
c8b82802 JB |
665 | [NL80211_ATTR_QOS_MAP] = NLA_POLICY_RANGE(NLA_BINARY, |
666 | IEEE80211_QOS_MAP_LEN_MIN, | |
667 | IEEE80211_QOS_MAP_LEN_MAX), | |
c7721c05 | 668 | [NL80211_ATTR_MAC_HINT] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN), |
1df4a510 | 669 | [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 }, |
df942e7b | 670 | [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 }, |
18e5ca65 | 671 | [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG }, |
34d22ce2 | 672 | [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY }, |
bab5ab7d | 673 | [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG }, |
ab0d76f6 JB |
674 | [NL80211_ATTR_TSID] = NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_TIDS - 1), |
675 | [NL80211_ATTR_USER_PRIO] = | |
676 | NLA_POLICY_MAX(NLA_U8, IEEE80211_NUM_UPS - 1), | |
960d01ac | 677 | [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 }, |
18998c38 | 678 | [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 }, |
5cde05c6 | 679 | [NL80211_ATTR_OPER_CLASS] = { .type = NLA_U8 }, |
c7721c05 | 680 | [NL80211_ATTR_MAC_MASK] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN), |
1bdd716c | 681 | [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG }, |
4b681c82 | 682 | [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 }, |
9c748934 | 683 | [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 }, |
05050753 | 684 | [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG }, |
34d50519 | 685 | [NL80211_ATTR_PBSS] = { .type = NLA_FLAG }, |
38de03d2 | 686 | [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED }, |
ab0d76f6 JB |
687 | [NL80211_ATTR_STA_SUPPORT_P2P_PS] = |
688 | NLA_POLICY_MAX(NLA_U8, NUM_NL80211_P2P_PS_STATUS - 1), | |
c6e6a0c8 AE |
689 | [NL80211_ATTR_MU_MIMO_GROUP_DATA] = { |
690 | .len = VHT_MUMIMO_GROUPS_DATA_LEN | |
691 | }, | |
c7721c05 | 692 | [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN), |
ab0d76f6 | 693 | [NL80211_ATTR_NAN_MASTER_PREF] = NLA_POLICY_MIN(NLA_U8, 1), |
8585989d | 694 | [NL80211_ATTR_BANDS] = { .type = NLA_U32 }, |
a442b761 | 695 | [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED }, |
348bd456 JM |
696 | [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY, |
697 | .len = FILS_MAX_KEK_LEN }, | |
c7721c05 | 698 | [NL80211_ATTR_FILS_NONCES] = NLA_POLICY_EXACT_LEN_WARN(2 * FILS_NONCE_LEN), |
ce0ce13a | 699 | [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, }, |
c7721c05 | 700 | [NL80211_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN), |
bf95ecdb | 701 | [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 }, |
702 | [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = { | |
703 | .len = sizeof(struct nl80211_bss_select_rssi_adjust) | |
704 | }, | |
3093ebbe | 705 | [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 }, |
a3caf744 VK |
706 | [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY, |
707 | .len = FILS_ERP_MAX_USERNAME_LEN }, | |
708 | [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY, | |
709 | .len = FILS_ERP_MAX_REALM_LEN }, | |
710 | [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 }, | |
711 | [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY, | |
712 | .len = FILS_ERP_MAX_RRK_LEN }, | |
c7721c05 | 713 | [NL80211_ATTR_FILS_CACHE_ID] = NLA_POLICY_EXACT_LEN_WARN(2), |
a3caf744 | 714 | [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN }, |
cb9abd48 | 715 | [NL80211_ATTR_PMKR0_NAME] = NLA_POLICY_EXACT_LEN(WLAN_PMK_NAME_LEN), |
ca986ad9 | 716 | [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG }, |
40cbfa90 | 717 | [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG }, |
52539ca8 THJ |
718 | |
719 | [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 }, | |
720 | [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 }, | |
721 | [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 }, | |
c8b82802 JB |
722 | [NL80211_ATTR_HE_CAPABILITY] = |
723 | NLA_POLICY_RANGE(NLA_BINARY, | |
724 | NL80211_HE_MIN_CAPABILITY_LEN, | |
725 | NL80211_HE_MAX_CAPABILITY_LEN), | |
0e012b4e JB |
726 | [NL80211_ATTR_FTM_RESPONDER] = |
727 | NLA_POLICY_NESTED(nl80211_ftm_responder_policy), | |
9bb7e0f2 JB |
728 | [NL80211_ATTR_TIMEOUT] = NLA_POLICY_MIN(NLA_U32, 1), |
729 | [NL80211_ATTR_PEER_MEASUREMENTS] = | |
23323289 | 730 | NLA_POLICY_NESTED(nl80211_pmsr_attr_policy), |
36647055 | 731 | [NL80211_ATTR_AIRTIME_WEIGHT] = NLA_POLICY_MIN(NLA_U16, 1), |
26f7044e CHH |
732 | [NL80211_ATTR_SAE_PASSWORD] = { .type = NLA_BINARY, |
733 | .len = SAE_PASSWORD_MAX_LEN }, | |
a0de1ca3 | 734 | [NL80211_ATTR_TWT_RESPONDER] = { .type = NLA_FLAG }, |
796e90f4 | 735 | [NL80211_ATTR_HE_OBSS_PD] = NLA_POLICY_NESTED(he_obss_pd_policy), |
14f34e36 | 736 | [NL80211_ATTR_VLAN_ID] = NLA_POLICY_RANGE(NLA_U16, 1, VLAN_N_VID - 2), |
5c5e52d1 | 737 | [NL80211_ATTR_HE_BSS_COLOR] = NLA_POLICY_NESTED(he_bss_color_policy), |
77f576de T |
738 | [NL80211_ATTR_TID_CONFIG] = |
739 | NLA_POLICY_NESTED_ARRAY(nl80211_tid_config_attr_policy), | |
5631d96a | 740 | [NL80211_ATTR_CONTROL_PORT_NO_PREAUTH] = { .type = NLA_FLAG }, |
7fc82af8 VJ |
741 | [NL80211_ATTR_PMK_LIFETIME] = NLA_POLICY_MIN(NLA_U32, 1), |
742 | [NL80211_ATTR_PMK_REAUTH_THRESHOLD] = NLA_POLICY_RANGE(NLA_U8, 1, 100), | |
9dba48a6 | 743 | [NL80211_ATTR_RECEIVE_MULTICAST] = { .type = NLA_FLAG }, |
942ba88b | 744 | [NL80211_ATTR_WIPHY_FREQ_OFFSET] = NLA_POLICY_RANGE(NLA_U32, 0, 999), |
2032f3b2 | 745 | [NL80211_ATTR_SCAN_FREQ_KHZ] = { .type = NLA_NESTED }, |
8140860c JB |
746 | [NL80211_ATTR_HE_6GHZ_CAPABILITY] = |
747 | NLA_POLICY_EXACT_LEN(sizeof(struct ieee80211_he_6ghz_capa)), | |
291c49de AD |
748 | [NL80211_ATTR_FILS_DISCOVERY] = |
749 | NLA_POLICY_NESTED(nl80211_fils_discovery_policy), | |
7443dcd1 AD |
750 | [NL80211_ATTR_UNSOL_BCAST_PROBE_RESP] = |
751 | NLA_POLICY_NESTED(nl80211_unsol_bcast_probe_resp_policy), | |
d2b7588a TP |
752 | [NL80211_ATTR_S1G_CAPABILITY] = |
753 | NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN), | |
754 | [NL80211_ATTR_S1G_CAPABILITY_MASK] = | |
755 | NLA_POLICY_EXACT_LEN(IEEE80211_S1G_CAPABILITY_LEN), | |
9f0ffa41 RD |
756 | [NL80211_ATTR_SAE_PWE] = |
757 | NLA_POLICY_RANGE(NLA_U8, NL80211_SAE_PWE_HUNT_AND_PECK, | |
758 | NL80211_SAE_PWE_BOTH), | |
3bb02143 | 759 | [NL80211_ATTR_RECONNECT_REQUESTED] = { .type = NLA_REJECT }, |
6bdb68ce | 760 | [NL80211_ATTR_SAR_SPEC] = NLA_POLICY_NESTED(sar_policy), |
b6db0f89 | 761 | [NL80211_ATTR_DISABLE_HE] = { .type = NLA_FLAG }, |
0d2ab3ae JC |
762 | [NL80211_ATTR_OBSS_COLOR_BITMAP] = { .type = NLA_U64 }, |
763 | [NL80211_ATTR_COLOR_CHANGE_COUNT] = { .type = NLA_U8 }, | |
764 | [NL80211_ATTR_COLOR_CHANGE_COLOR] = { .type = NLA_U8 }, | |
765 | [NL80211_ATTR_COLOR_CHANGE_ELEMS] = NLA_POLICY_NESTED(nl80211_policy), | |
55682965 JB |
766 | }; |
767 | ||
e31b8213 | 768 | /* policy for the key attributes */ |
b54452b0 | 769 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 770 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
771 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
772 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 773 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
774 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
775 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
ab0d76f6 | 776 | [NL80211_KEY_TYPE] = NLA_POLICY_MAX(NLA_U32, NUM_NL80211_KEYTYPES - 1), |
dbd2fd65 | 777 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
6cdd3979 | 778 | [NL80211_KEY_MODE] = NLA_POLICY_RANGE(NLA_U8, 0, NL80211_KEY_SET_TX), |
dbd2fd65 JB |
779 | }; |
780 | ||
781 | /* policy for the key default flags */ | |
782 | static const struct nla_policy | |
783 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
784 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
785 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
786 | }; |
787 | ||
f83ace3b | 788 | #ifdef CONFIG_PM |
ff1b6e69 JB |
789 | /* policy for WoWLAN attributes */ |
790 | static const struct nla_policy | |
791 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
792 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
793 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
794 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
795 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
796 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
797 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
798 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
799 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
2a0e047e | 800 | [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, |
8cd4d456 | 801 | [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED }, |
2a0e047e JB |
802 | }; |
803 | ||
804 | static const struct nla_policy | |
805 | nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = { | |
806 | [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 }, | |
807 | [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 }, | |
c7721c05 | 808 | [NL80211_WOWLAN_TCP_DST_MAC] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN), |
2a0e047e JB |
809 | [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 }, |
810 | [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 }, | |
bc043585 | 811 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = NLA_POLICY_MIN_LEN(1), |
2a0e047e JB |
812 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = { |
813 | .len = sizeof(struct nl80211_wowlan_tcp_data_seq) | |
814 | }, | |
815 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = { | |
816 | .len = sizeof(struct nl80211_wowlan_tcp_data_token) | |
817 | }, | |
818 | [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 }, | |
bc043585 JB |
819 | [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = NLA_POLICY_MIN_LEN(1), |
820 | [NL80211_WOWLAN_TCP_WAKE_MASK] = NLA_POLICY_MIN_LEN(1), | |
ff1b6e69 | 821 | }; |
f83ace3b | 822 | #endif /* CONFIG_PM */ |
ff1b6e69 | 823 | |
be29b99a AK |
824 | /* policy for coalesce rule attributes */ |
825 | static const struct nla_policy | |
826 | nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = { | |
827 | [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 }, | |
ab0d76f6 JB |
828 | [NL80211_ATTR_COALESCE_RULE_CONDITION] = |
829 | NLA_POLICY_RANGE(NLA_U32, | |
830 | NL80211_COALESCE_CONDITION_MATCH, | |
831 | NL80211_COALESCE_CONDITION_NO_MATCH), | |
be29b99a AK |
832 | [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED }, |
833 | }; | |
834 | ||
e5497d76 JB |
835 | /* policy for GTK rekey offload attributes */ |
836 | static const struct nla_policy | |
837 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
093a48d2 NE |
838 | [NL80211_REKEY_DATA_KEK] = { |
839 | .type = NLA_BINARY, | |
840 | .len = NL80211_KEK_EXT_LEN | |
841 | }, | |
842 | [NL80211_REKEY_DATA_KCK] = { | |
843 | .type = NLA_BINARY, | |
844 | .len = NL80211_KCK_EXT_LEN | |
845 | }, | |
cb9abd48 | 846 | [NL80211_REKEY_DATA_REPLAY_CTR] = NLA_POLICY_EXACT_LEN(NL80211_REPLAY_CTR_LEN), |
093a48d2 | 847 | [NL80211_REKEY_DATA_AKM] = { .type = NLA_U32 }, |
e5497d76 JB |
848 | }; |
849 | ||
1e1b11b6 | 850 | static const struct nla_policy |
851 | nl80211_match_band_rssi_policy[NUM_NL80211_BANDS] = { | |
852 | [NL80211_BAND_2GHZ] = { .type = NLA_S32 }, | |
853 | [NL80211_BAND_5GHZ] = { .type = NLA_S32 }, | |
e548a1c3 | 854 | [NL80211_BAND_6GHZ] = { .type = NLA_S32 }, |
1e1b11b6 | 855 | [NL80211_BAND_60GHZ] = { .type = NLA_S32 }, |
856 | }; | |
857 | ||
a1f1c21c LC |
858 | static const struct nla_policy |
859 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
4a4ab0d7 | 860 | [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, |
a1f1c21c | 861 | .len = IEEE80211_MAX_SSID_LEN }, |
c7721c05 | 862 | [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN), |
88e920b4 | 863 | [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, |
1e1b11b6 | 864 | [NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI] = |
865 | NLA_POLICY_NESTED(nl80211_match_band_rssi_policy), | |
a1f1c21c LC |
866 | }; |
867 | ||
3b06d277 AS |
868 | static const struct nla_policy |
869 | nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = { | |
870 | [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 }, | |
871 | [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 }, | |
872 | }; | |
873 | ||
38de03d2 AS |
874 | static const struct nla_policy |
875 | nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = { | |
876 | [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG }, | |
877 | [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 }, | |
878 | [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = { | |
879 | .len = sizeof(struct nl80211_bss_select_rssi_adjust) | |
880 | }, | |
881 | }; | |
882 | ||
a442b761 AB |
883 | /* policy for NAN function attributes */ |
884 | static const struct nla_policy | |
885 | nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = { | |
cb9abd48 JB |
886 | [NL80211_NAN_FUNC_TYPE] = |
887 | NLA_POLICY_MAX(NLA_U8, NL80211_NAN_FUNC_MAX_TYPE), | |
0a27844c | 888 | [NL80211_NAN_FUNC_SERVICE_ID] = { |
a442b761 AB |
889 | .len = NL80211_NAN_FUNC_SERVICE_ID_LEN }, |
890 | [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 }, | |
891 | [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG }, | |
892 | [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG }, | |
893 | [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 }, | |
894 | [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 }, | |
c7721c05 | 895 | [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = NLA_POLICY_EXACT_LEN_WARN(ETH_ALEN), |
a442b761 AB |
896 | [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG }, |
897 | [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 }, | |
898 | [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY, | |
899 | .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN }, | |
900 | [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED }, | |
901 | [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED }, | |
902 | [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED }, | |
903 | [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 }, | |
904 | [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 }, | |
905 | }; | |
906 | ||
907 | /* policy for Service Response Filter attributes */ | |
908 | static const struct nla_policy | |
909 | nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = { | |
910 | [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG }, | |
911 | [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY, | |
912 | .len = NL80211_NAN_FUNC_SRF_MAX_LEN }, | |
913 | [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 }, | |
914 | [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED }, | |
915 | }; | |
916 | ||
ad670233 PX |
917 | /* policy for packet pattern attributes */ |
918 | static const struct nla_policy | |
919 | nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = { | |
920 | [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, }, | |
921 | [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, }, | |
922 | [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 }, | |
923 | }; | |
924 | ||
9bb7e0f2 JB |
925 | int nl80211_prepare_wdev_dump(struct netlink_callback *cb, |
926 | struct cfg80211_registered_device **rdev, | |
927 | struct wireless_dev **wdev) | |
a043897a | 928 | { |
97990a06 | 929 | int err; |
a043897a | 930 | |
97990a06 | 931 | if (!cb->args[0]) { |
50508d94 JB |
932 | struct nlattr **attrbuf; |
933 | ||
934 | attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), | |
935 | GFP_KERNEL); | |
936 | if (!attrbuf) | |
937 | return -ENOMEM; | |
938 | ||
8cb08174 JB |
939 | err = nlmsg_parse_deprecated(cb->nlh, |
940 | GENL_HDRLEN + nl80211_fam.hdrsize, | |
50508d94 | 941 | attrbuf, nl80211_fam.maxattr, |
8cb08174 | 942 | nl80211_policy, NULL); |
50508d94 JB |
943 | if (err) { |
944 | kfree(attrbuf); | |
ea90e0dc | 945 | return err; |
50508d94 | 946 | } |
67748893 | 947 | |
a05829a7 JB |
948 | rtnl_lock(); |
949 | *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(cb->skb->sk), | |
50508d94 JB |
950 | attrbuf); |
951 | kfree(attrbuf); | |
a05829a7 JB |
952 | if (IS_ERR(*wdev)) { |
953 | rtnl_unlock(); | |
ea90e0dc | 954 | return PTR_ERR(*wdev); |
a05829a7 | 955 | } |
f26cbf40 | 956 | *rdev = wiphy_to_rdev((*wdev)->wiphy); |
a05829a7 JB |
957 | mutex_lock(&(*rdev)->wiphy.mtx); |
958 | rtnl_unlock(); | |
c319d50b JB |
959 | /* 0 is the first index - add 1 to parse only once */ |
960 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
97990a06 JB |
961 | cb->args[1] = (*wdev)->identifier; |
962 | } else { | |
c319d50b | 963 | /* subtract the 1 again here */ |
a05829a7 | 964 | struct wiphy *wiphy; |
97990a06 | 965 | struct wireless_dev *tmp; |
67748893 | 966 | |
a05829a7 JB |
967 | rtnl_lock(); |
968 | wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
969 | if (!wiphy) { | |
970 | rtnl_unlock(); | |
ea90e0dc | 971 | return -ENODEV; |
a05829a7 | 972 | } |
f26cbf40 | 973 | *rdev = wiphy_to_rdev(wiphy); |
97990a06 | 974 | *wdev = NULL; |
67748893 | 975 | |
53873f13 | 976 | list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) { |
97990a06 JB |
977 | if (tmp->identifier == cb->args[1]) { |
978 | *wdev = tmp; | |
979 | break; | |
980 | } | |
981 | } | |
67748893 | 982 | |
a05829a7 JB |
983 | if (!*wdev) { |
984 | rtnl_unlock(); | |
ea90e0dc | 985 | return -ENODEV; |
a05829a7 JB |
986 | } |
987 | mutex_lock(&(*rdev)->wiphy.mtx); | |
988 | rtnl_unlock(); | |
67748893 JB |
989 | } |
990 | ||
67748893 | 991 | return 0; |
67748893 JB |
992 | } |
993 | ||
55682965 | 994 | /* message building helper */ |
9bb7e0f2 JB |
995 | void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq, |
996 | int flags, u8 cmd) | |
55682965 JB |
997 | { |
998 | /* since there is no private header just add the generic one */ | |
15e47304 | 999 | return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd); |
55682965 JB |
1000 | } |
1001 | ||
50f32718 HD |
1002 | static int nl80211_msg_put_wmm_rules(struct sk_buff *msg, |
1003 | const struct ieee80211_reg_rule *rule) | |
1004 | { | |
1005 | int j; | |
1006 | struct nlattr *nl_wmm_rules = | |
ae0be8de | 1007 | nla_nest_start_noflag(msg, NL80211_FREQUENCY_ATTR_WMM); |
50f32718 HD |
1008 | |
1009 | if (!nl_wmm_rules) | |
1010 | goto nla_put_failure; | |
1011 | ||
1012 | for (j = 0; j < IEEE80211_NUM_ACS; j++) { | |
ae0be8de | 1013 | struct nlattr *nl_wmm_rule = nla_nest_start_noflag(msg, j); |
50f32718 HD |
1014 | |
1015 | if (!nl_wmm_rule) | |
1016 | goto nla_put_failure; | |
1017 | ||
1018 | if (nla_put_u16(msg, NL80211_WMMR_CW_MIN, | |
38cb87ee | 1019 | rule->wmm_rule.client[j].cw_min) || |
50f32718 | 1020 | nla_put_u16(msg, NL80211_WMMR_CW_MAX, |
38cb87ee | 1021 | rule->wmm_rule.client[j].cw_max) || |
50f32718 | 1022 | nla_put_u8(msg, NL80211_WMMR_AIFSN, |
38cb87ee | 1023 | rule->wmm_rule.client[j].aifsn) || |
d3c89bbc HD |
1024 | nla_put_u16(msg, NL80211_WMMR_TXOP, |
1025 | rule->wmm_rule.client[j].cot)) | |
50f32718 HD |
1026 | goto nla_put_failure; |
1027 | ||
1028 | nla_nest_end(msg, nl_wmm_rule); | |
1029 | } | |
1030 | nla_nest_end(msg, nl_wmm_rules); | |
1031 | ||
1032 | return 0; | |
1033 | ||
1034 | nla_put_failure: | |
1035 | return -ENOBUFS; | |
1036 | } | |
1037 | ||
1038 | static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy, | |
cdc89b97 JB |
1039 | struct ieee80211_channel *chan, |
1040 | bool large) | |
5dab3b8a | 1041 | { |
ea077c1c RL |
1042 | /* Some channels must be completely excluded from the |
1043 | * list to protect old user-space tools from breaking | |
1044 | */ | |
1045 | if (!large && chan->flags & | |
1046 | (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ)) | |
1047 | return 0; | |
f8d504ca JB |
1048 | if (!large && chan->freq_offset) |
1049 | return 0; | |
ea077c1c | 1050 | |
9360ffd1 DM |
1051 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ, |
1052 | chan->center_freq)) | |
1053 | goto nla_put_failure; | |
5dab3b8a | 1054 | |
942ba88b TP |
1055 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_OFFSET, chan->freq_offset)) |
1056 | goto nla_put_failure; | |
1057 | ||
9360ffd1 DM |
1058 | if ((chan->flags & IEEE80211_CHAN_DISABLED) && |
1059 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED)) | |
1060 | goto nla_put_failure; | |
8fe02e16 LR |
1061 | if (chan->flags & IEEE80211_CHAN_NO_IR) { |
1062 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR)) | |
1063 | goto nla_put_failure; | |
1064 | if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS)) | |
1065 | goto nla_put_failure; | |
1066 | } | |
cdc89b97 JB |
1067 | if (chan->flags & IEEE80211_CHAN_RADAR) { |
1068 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) | |
1069 | goto nla_put_failure; | |
1070 | if (large) { | |
1071 | u32 time; | |
1072 | ||
1073 | time = elapsed_jiffies_msecs(chan->dfs_state_entered); | |
1074 | ||
1075 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE, | |
1076 | chan->dfs_state)) | |
1077 | goto nla_put_failure; | |
1078 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, | |
1079 | time)) | |
1080 | goto nla_put_failure; | |
089027e5 JD |
1081 | if (nla_put_u32(msg, |
1082 | NL80211_FREQUENCY_ATTR_DFS_CAC_TIME, | |
1083 | chan->dfs_cac_ms)) | |
1084 | goto nla_put_failure; | |
cdc89b97 JB |
1085 | } |
1086 | } | |
5dab3b8a | 1087 | |
fe1abafd JB |
1088 | if (large) { |
1089 | if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) && | |
1090 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS)) | |
1091 | goto nla_put_failure; | |
1092 | if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) && | |
1093 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS)) | |
1094 | goto nla_put_failure; | |
1095 | if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) && | |
1096 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ)) | |
1097 | goto nla_put_failure; | |
1098 | if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && | |
1099 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) | |
1100 | goto nla_put_failure; | |
570dbde1 DS |
1101 | if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) && |
1102 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY)) | |
1103 | goto nla_put_failure; | |
06f207fc AN |
1104 | if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) && |
1105 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT)) | |
570dbde1 | 1106 | goto nla_put_failure; |
ea077c1c RL |
1107 | if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) && |
1108 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ)) | |
1109 | goto nla_put_failure; | |
1110 | if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) && | |
1111 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ)) | |
1112 | goto nla_put_failure; | |
1e61d82c HD |
1113 | if ((chan->flags & IEEE80211_CHAN_NO_HE) && |
1114 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HE)) | |
1115 | goto nla_put_failure; | |
d65a9770 TP |
1116 | if ((chan->flags & IEEE80211_CHAN_1MHZ) && |
1117 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_1MHZ)) | |
1118 | goto nla_put_failure; | |
1119 | if ((chan->flags & IEEE80211_CHAN_2MHZ) && | |
1120 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_2MHZ)) | |
1121 | goto nla_put_failure; | |
1122 | if ((chan->flags & IEEE80211_CHAN_4MHZ) && | |
1123 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_4MHZ)) | |
1124 | goto nla_put_failure; | |
1125 | if ((chan->flags & IEEE80211_CHAN_8MHZ) && | |
1126 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_8MHZ)) | |
1127 | goto nla_put_failure; | |
1128 | if ((chan->flags & IEEE80211_CHAN_16MHZ) && | |
1129 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_16MHZ)) | |
1130 | goto nla_put_failure; | |
fe1abafd JB |
1131 | } |
1132 | ||
9360ffd1 DM |
1133 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, |
1134 | DBM_TO_MBM(chan->max_power))) | |
1135 | goto nla_put_failure; | |
5dab3b8a | 1136 | |
50f32718 HD |
1137 | if (large) { |
1138 | const struct ieee80211_reg_rule *rule = | |
b88d26d9 | 1139 | freq_reg_info(wiphy, MHZ_TO_KHZ(chan->center_freq)); |
50f32718 | 1140 | |
38cb87ee | 1141 | if (!IS_ERR_OR_NULL(rule) && rule->has_wmm) { |
50f32718 HD |
1142 | if (nl80211_msg_put_wmm_rules(msg, rule)) |
1143 | goto nla_put_failure; | |
1144 | } | |
1145 | } | |
1146 | ||
5dab3b8a LR |
1147 | return 0; |
1148 | ||
1149 | nla_put_failure: | |
1150 | return -ENOBUFS; | |
1151 | } | |
1152 | ||
52539ca8 THJ |
1153 | static bool nl80211_put_txq_stats(struct sk_buff *msg, |
1154 | struct cfg80211_txq_stats *txqstats, | |
1155 | int attrtype) | |
1156 | { | |
1157 | struct nlattr *txqattr; | |
1158 | ||
1159 | #define PUT_TXQVAL_U32(attr, memb) do { \ | |
1160 | if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \ | |
1161 | nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \ | |
1162 | return false; \ | |
1163 | } while (0) | |
1164 | ||
ae0be8de | 1165 | txqattr = nla_nest_start_noflag(msg, attrtype); |
52539ca8 THJ |
1166 | if (!txqattr) |
1167 | return false; | |
1168 | ||
1169 | PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes); | |
1170 | PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets); | |
1171 | PUT_TXQVAL_U32(FLOWS, flows); | |
1172 | PUT_TXQVAL_U32(DROPS, drops); | |
1173 | PUT_TXQVAL_U32(ECN_MARKS, ecn_marks); | |
1174 | PUT_TXQVAL_U32(OVERLIMIT, overlimit); | |
1175 | PUT_TXQVAL_U32(OVERMEMORY, overmemory); | |
1176 | PUT_TXQVAL_U32(COLLISIONS, collisions); | |
1177 | PUT_TXQVAL_U32(TX_BYTES, tx_bytes); | |
1178 | PUT_TXQVAL_U32(TX_PACKETS, tx_packets); | |
1179 | PUT_TXQVAL_U32(MAX_FLOWS, max_flows); | |
1180 | nla_nest_end(msg, txqattr); | |
1181 | ||
1182 | #undef PUT_TXQVAL_U32 | |
1183 | return true; | |
1184 | } | |
1185 | ||
55682965 JB |
1186 | /* netlink command implementations */ |
1187 | ||
b9454e83 JB |
1188 | struct key_parse { |
1189 | struct key_params p; | |
1190 | int idx; | |
e31b8213 | 1191 | int type; |
56be393f | 1192 | bool def, defmgmt, defbeacon; |
dbd2fd65 | 1193 | bool def_uni, def_multi; |
b9454e83 JB |
1194 | }; |
1195 | ||
768075eb JB |
1196 | static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key, |
1197 | struct key_parse *k) | |
b9454e83 JB |
1198 | { |
1199 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
8cb08174 JB |
1200 | int err = nla_parse_nested_deprecated(tb, NL80211_KEY_MAX, key, |
1201 | nl80211_key_policy, | |
1202 | info->extack); | |
b9454e83 JB |
1203 | if (err) |
1204 | return err; | |
1205 | ||
1206 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
1207 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
56be393f | 1208 | k->defbeacon = !!tb[NL80211_KEY_DEFAULT_BEACON]; |
b9454e83 | 1209 | |
dbd2fd65 JB |
1210 | if (k->def) { |
1211 | k->def_uni = true; | |
1212 | k->def_multi = true; | |
1213 | } | |
56be393f | 1214 | if (k->defmgmt || k->defbeacon) |
dbd2fd65 JB |
1215 | k->def_multi = true; |
1216 | ||
b9454e83 JB |
1217 | if (tb[NL80211_KEY_IDX]) |
1218 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
1219 | ||
1220 | if (tb[NL80211_KEY_DATA]) { | |
1221 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
1222 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
1223 | } | |
1224 | ||
1225 | if (tb[NL80211_KEY_SEQ]) { | |
1226 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
1227 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
1228 | } | |
1229 | ||
1230 | if (tb[NL80211_KEY_CIPHER]) | |
1231 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
1232 | ||
ab0d76f6 | 1233 | if (tb[NL80211_KEY_TYPE]) |
e31b8213 | 1234 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); |
e31b8213 | 1235 | |
dbd2fd65 JB |
1236 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
1237 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
7a087e74 | 1238 | |
8cb08174 JB |
1239 | err = nla_parse_nested_deprecated(kdt, |
1240 | NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
1241 | tb[NL80211_KEY_DEFAULT_TYPES], | |
1242 | nl80211_key_default_policy, | |
1243 | info->extack); | |
dbd2fd65 JB |
1244 | if (err) |
1245 | return err; | |
1246 | ||
1247 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
1248 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
1249 | } | |
1250 | ||
6cdd3979 AW |
1251 | if (tb[NL80211_KEY_MODE]) |
1252 | k->p.mode = nla_get_u8(tb[NL80211_KEY_MODE]); | |
1253 | ||
b9454e83 JB |
1254 | return 0; |
1255 | } | |
1256 | ||
1257 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
1258 | { | |
1259 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
1260 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
1261 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
1262 | } | |
1263 | ||
1264 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
1265 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
1266 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
1267 | } | |
1268 | ||
1269 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
1270 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
1271 | ||
1272 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
1273 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
1274 | ||
1275 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
1276 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
1277 | ||
dbd2fd65 JB |
1278 | if (k->def) { |
1279 | k->def_uni = true; | |
1280 | k->def_multi = true; | |
1281 | } | |
1282 | if (k->defmgmt) | |
1283 | k->def_multi = true; | |
1284 | ||
ab0d76f6 | 1285 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) |
e31b8213 | 1286 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); |
e31b8213 | 1287 | |
dbd2fd65 JB |
1288 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
1289 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
8cb08174 JB |
1290 | int err = nla_parse_nested_deprecated(kdt, |
1291 | NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
1292 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
1293 | nl80211_key_default_policy, | |
1294 | info->extack); | |
dbd2fd65 JB |
1295 | if (err) |
1296 | return err; | |
1297 | ||
1298 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
1299 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
1300 | } | |
1301 | ||
b9454e83 JB |
1302 | return 0; |
1303 | } | |
1304 | ||
1305 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
1306 | { | |
1307 | int err; | |
1308 | ||
1309 | memset(k, 0, sizeof(*k)); | |
1310 | k->idx = -1; | |
e31b8213 | 1311 | k->type = -1; |
b9454e83 JB |
1312 | |
1313 | if (info->attrs[NL80211_ATTR_KEY]) | |
768075eb | 1314 | err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k); |
b9454e83 JB |
1315 | else |
1316 | err = nl80211_parse_key_old(info, k); | |
1317 | ||
1318 | if (err) | |
1319 | return err; | |
1320 | ||
56be393f JM |
1321 | if ((k->def ? 1 : 0) + (k->defmgmt ? 1 : 0) + |
1322 | (k->defbeacon ? 1 : 0) > 1) { | |
1323 | GENL_SET_ERR_MSG(info, | |
1324 | "key with multiple default flags is invalid"); | |
b9454e83 | 1325 | return -EINVAL; |
768075eb | 1326 | } |
b9454e83 | 1327 | |
56be393f | 1328 | if (k->defmgmt || k->defbeacon) { |
768075eb | 1329 | if (k->def_uni || !k->def_multi) { |
56be393f JM |
1330 | GENL_SET_ERR_MSG(info, |
1331 | "defmgmt/defbeacon key must be mcast"); | |
dbd2fd65 | 1332 | return -EINVAL; |
768075eb | 1333 | } |
dbd2fd65 JB |
1334 | } |
1335 | ||
b9454e83 JB |
1336 | if (k->idx != -1) { |
1337 | if (k->defmgmt) { | |
768075eb JB |
1338 | if (k->idx < 4 || k->idx > 5) { |
1339 | GENL_SET_ERR_MSG(info, | |
1340 | "defmgmt key idx not 4 or 5"); | |
b9454e83 | 1341 | return -EINVAL; |
768075eb | 1342 | } |
56be393f JM |
1343 | } else if (k->defbeacon) { |
1344 | if (k->idx < 6 || k->idx > 7) { | |
1345 | GENL_SET_ERR_MSG(info, | |
1346 | "defbeacon key idx not 6 or 7"); | |
1347 | return -EINVAL; | |
1348 | } | |
b9454e83 | 1349 | } else if (k->def) { |
768075eb JB |
1350 | if (k->idx < 0 || k->idx > 3) { |
1351 | GENL_SET_ERR_MSG(info, "def key idx not 0-3"); | |
b9454e83 | 1352 | return -EINVAL; |
768075eb | 1353 | } |
b9454e83 | 1354 | } else { |
56be393f JM |
1355 | if (k->idx < 0 || k->idx > 7) { |
1356 | GENL_SET_ERR_MSG(info, "key idx not 0-7"); | |
b9454e83 | 1357 | return -EINVAL; |
768075eb | 1358 | } |
b9454e83 JB |
1359 | } |
1360 | } | |
1361 | ||
1362 | return 0; | |
1363 | } | |
1364 | ||
fffd0934 JB |
1365 | static struct cfg80211_cached_keys * |
1366 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
768075eb | 1367 | struct genl_info *info, bool *no_ht) |
fffd0934 | 1368 | { |
768075eb | 1369 | struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS]; |
fffd0934 JB |
1370 | struct key_parse parse; |
1371 | struct nlattr *key; | |
1372 | struct cfg80211_cached_keys *result; | |
1373 | int rem, err, def = 0; | |
f1c1f17a JB |
1374 | bool have_key = false; |
1375 | ||
1376 | nla_for_each_nested(key, keys, rem) { | |
1377 | have_key = true; | |
1378 | break; | |
1379 | } | |
1380 | ||
1381 | if (!have_key) | |
1382 | return NULL; | |
fffd0934 JB |
1383 | |
1384 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
1385 | if (!result) | |
1386 | return ERR_PTR(-ENOMEM); | |
1387 | ||
1388 | result->def = -1; | |
fffd0934 JB |
1389 | |
1390 | nla_for_each_nested(key, keys, rem) { | |
1391 | memset(&parse, 0, sizeof(parse)); | |
1392 | parse.idx = -1; | |
1393 | ||
768075eb | 1394 | err = nl80211_parse_key_new(info, key, &parse); |
fffd0934 JB |
1395 | if (err) |
1396 | goto error; | |
1397 | err = -EINVAL; | |
1398 | if (!parse.p.key) | |
1399 | goto error; | |
768075eb JB |
1400 | if (parse.idx < 0 || parse.idx > 3) { |
1401 | GENL_SET_ERR_MSG(info, "key index out of range [0-3]"); | |
fffd0934 | 1402 | goto error; |
768075eb | 1403 | } |
fffd0934 | 1404 | if (parse.def) { |
768075eb JB |
1405 | if (def) { |
1406 | GENL_SET_ERR_MSG(info, | |
1407 | "only one key can be default"); | |
fffd0934 | 1408 | goto error; |
768075eb | 1409 | } |
fffd0934 JB |
1410 | def = 1; |
1411 | result->def = parse.idx; | |
dbd2fd65 JB |
1412 | if (!parse.def_uni || !parse.def_multi) |
1413 | goto error; | |
fffd0934 JB |
1414 | } else if (parse.defmgmt) |
1415 | goto error; | |
1416 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 1417 | parse.idx, false, NULL); |
fffd0934 JB |
1418 | if (err) |
1419 | goto error; | |
386b1f27 JB |
1420 | if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 && |
1421 | parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) { | |
768075eb | 1422 | GENL_SET_ERR_MSG(info, "connect key must be WEP"); |
386b1f27 JB |
1423 | err = -EINVAL; |
1424 | goto error; | |
1425 | } | |
fffd0934 JB |
1426 | result->params[parse.idx].cipher = parse.p.cipher; |
1427 | result->params[parse.idx].key_len = parse.p.key_len; | |
1428 | result->params[parse.idx].key = result->data[parse.idx]; | |
1429 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
de7044ee | 1430 | |
386b1f27 JB |
1431 | /* must be WEP key if we got here */ |
1432 | if (no_ht) | |
1433 | *no_ht = true; | |
fffd0934 JB |
1434 | } |
1435 | ||
f1c1f17a JB |
1436 | if (result->def < 0) { |
1437 | err = -EINVAL; | |
768075eb | 1438 | GENL_SET_ERR_MSG(info, "need a default/TX key"); |
f1c1f17a JB |
1439 | goto error; |
1440 | } | |
1441 | ||
fffd0934 JB |
1442 | return result; |
1443 | error: | |
1444 | kfree(result); | |
1445 | return ERR_PTR(err); | |
1446 | } | |
1447 | ||
1448 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
1449 | { | |
1450 | ASSERT_WDEV_LOCK(wdev); | |
1451 | ||
fffd0934 JB |
1452 | switch (wdev->iftype) { |
1453 | case NL80211_IFTYPE_AP: | |
1454 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 1455 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 1456 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
1457 | break; |
1458 | case NL80211_IFTYPE_ADHOC: | |
fffd0934 | 1459 | case NL80211_IFTYPE_STATION: |
074ac8df | 1460 | case NL80211_IFTYPE_P2P_CLIENT: |
ceca7b71 | 1461 | if (!wdev->current_bss) |
fffd0934 JB |
1462 | return -ENOLINK; |
1463 | break; | |
de4fcbad | 1464 | case NL80211_IFTYPE_UNSPECIFIED: |
6e0bd6c3 | 1465 | case NL80211_IFTYPE_OCB: |
de4fcbad | 1466 | case NL80211_IFTYPE_MONITOR: |
cb3b7d87 | 1467 | case NL80211_IFTYPE_NAN: |
de4fcbad JB |
1468 | case NL80211_IFTYPE_P2P_DEVICE: |
1469 | case NL80211_IFTYPE_WDS: | |
1470 | case NUM_NL80211_IFTYPES: | |
fffd0934 JB |
1471 | return -EINVAL; |
1472 | } | |
1473 | ||
1474 | return 0; | |
1475 | } | |
1476 | ||
664834de | 1477 | static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy, |
942ba88b | 1478 | u32 freq) |
664834de JM |
1479 | { |
1480 | struct ieee80211_channel *chan; | |
1481 | ||
942ba88b | 1482 | chan = ieee80211_get_channel_khz(wiphy, freq); |
664834de JM |
1483 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) |
1484 | return NULL; | |
1485 | return chan; | |
1486 | } | |
1487 | ||
7527a782 JB |
1488 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
1489 | { | |
ae0be8de | 1490 | struct nlattr *nl_modes = nla_nest_start_noflag(msg, attr); |
7527a782 JB |
1491 | int i; |
1492 | ||
1493 | if (!nl_modes) | |
1494 | goto nla_put_failure; | |
1495 | ||
1496 | i = 0; | |
1497 | while (ifmodes) { | |
9360ffd1 DM |
1498 | if ((ifmodes & 1) && nla_put_flag(msg, i)) |
1499 | goto nla_put_failure; | |
7527a782 JB |
1500 | ifmodes >>= 1; |
1501 | i++; | |
1502 | } | |
1503 | ||
1504 | nla_nest_end(msg, nl_modes); | |
1505 | return 0; | |
1506 | ||
1507 | nla_put_failure: | |
1508 | return -ENOBUFS; | |
1509 | } | |
1510 | ||
1511 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
cdc89b97 JB |
1512 | struct sk_buff *msg, |
1513 | bool large) | |
7527a782 JB |
1514 | { |
1515 | struct nlattr *nl_combis; | |
1516 | int i, j; | |
1517 | ||
ae0be8de MK |
1518 | nl_combis = nla_nest_start_noflag(msg, |
1519 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
7527a782 JB |
1520 | if (!nl_combis) |
1521 | goto nla_put_failure; | |
1522 | ||
1523 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
1524 | const struct ieee80211_iface_combination *c; | |
1525 | struct nlattr *nl_combi, *nl_limits; | |
1526 | ||
1527 | c = &wiphy->iface_combinations[i]; | |
1528 | ||
ae0be8de | 1529 | nl_combi = nla_nest_start_noflag(msg, i + 1); |
7527a782 JB |
1530 | if (!nl_combi) |
1531 | goto nla_put_failure; | |
1532 | ||
ae0be8de MK |
1533 | nl_limits = nla_nest_start_noflag(msg, |
1534 | NL80211_IFACE_COMB_LIMITS); | |
7527a782 JB |
1535 | if (!nl_limits) |
1536 | goto nla_put_failure; | |
1537 | ||
1538 | for (j = 0; j < c->n_limits; j++) { | |
1539 | struct nlattr *nl_limit; | |
1540 | ||
ae0be8de | 1541 | nl_limit = nla_nest_start_noflag(msg, j + 1); |
7527a782 JB |
1542 | if (!nl_limit) |
1543 | goto nla_put_failure; | |
9360ffd1 DM |
1544 | if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, |
1545 | c->limits[j].max)) | |
1546 | goto nla_put_failure; | |
7527a782 JB |
1547 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, |
1548 | c->limits[j].types)) | |
1549 | goto nla_put_failure; | |
1550 | nla_nest_end(msg, nl_limit); | |
1551 | } | |
1552 | ||
1553 | nla_nest_end(msg, nl_limits); | |
1554 | ||
9360ffd1 DM |
1555 | if (c->beacon_int_infra_match && |
1556 | nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) | |
1557 | goto nla_put_failure; | |
1558 | if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
1559 | c->num_different_channels) || | |
1560 | nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, | |
1561 | c->max_interfaces)) | |
1562 | goto nla_put_failure; | |
cdc89b97 | 1563 | if (large && |
8c48b50a FF |
1564 | (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, |
1565 | c->radar_detect_widths) || | |
1566 | nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS, | |
1567 | c->radar_detect_regions))) | |
cdc89b97 | 1568 | goto nla_put_failure; |
0c317a02 PK |
1569 | if (c->beacon_int_min_gcd && |
1570 | nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD, | |
1571 | c->beacon_int_min_gcd)) | |
1572 | goto nla_put_failure; | |
7527a782 JB |
1573 | |
1574 | nla_nest_end(msg, nl_combi); | |
1575 | } | |
1576 | ||
1577 | nla_nest_end(msg, nl_combis); | |
1578 | ||
1579 | return 0; | |
1580 | nla_put_failure: | |
1581 | return -ENOBUFS; | |
1582 | } | |
1583 | ||
3713b4e3 | 1584 | #ifdef CONFIG_PM |
b56cf720 JB |
1585 | static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, |
1586 | struct sk_buff *msg) | |
1587 | { | |
964dc9e2 | 1588 | const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp; |
b56cf720 JB |
1589 | struct nlattr *nl_tcp; |
1590 | ||
1591 | if (!tcp) | |
1592 | return 0; | |
1593 | ||
ae0be8de MK |
1594 | nl_tcp = nla_nest_start_noflag(msg, |
1595 | NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
b56cf720 JB |
1596 | if (!nl_tcp) |
1597 | return -ENOBUFS; | |
1598 | ||
1599 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1600 | tcp->data_payload_max)) | |
1601 | return -ENOBUFS; | |
1602 | ||
1603 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1604 | tcp->data_payload_max)) | |
1605 | return -ENOBUFS; | |
1606 | ||
1607 | if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ)) | |
1608 | return -ENOBUFS; | |
1609 | ||
1610 | if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
1611 | sizeof(*tcp->tok), tcp->tok)) | |
1612 | return -ENOBUFS; | |
1613 | ||
1614 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
1615 | tcp->data_interval_max)) | |
1616 | return -ENOBUFS; | |
1617 | ||
1618 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
1619 | tcp->wake_payload_max)) | |
1620 | return -ENOBUFS; | |
1621 | ||
1622 | nla_nest_end(msg, nl_tcp); | |
1623 | return 0; | |
1624 | } | |
1625 | ||
3713b4e3 | 1626 | static int nl80211_send_wowlan(struct sk_buff *msg, |
1b8ec87a | 1627 | struct cfg80211_registered_device *rdev, |
b56cf720 | 1628 | bool large) |
55682965 | 1629 | { |
3713b4e3 | 1630 | struct nlattr *nl_wowlan; |
55682965 | 1631 | |
1b8ec87a | 1632 | if (!rdev->wiphy.wowlan) |
3713b4e3 | 1633 | return 0; |
55682965 | 1634 | |
ae0be8de MK |
1635 | nl_wowlan = nla_nest_start_noflag(msg, |
1636 | NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); | |
3713b4e3 JB |
1637 | if (!nl_wowlan) |
1638 | return -ENOBUFS; | |
9360ffd1 | 1639 | |
1b8ec87a | 1640 | if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) && |
3713b4e3 | 1641 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
1b8ec87a | 1642 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) && |
3713b4e3 | 1643 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
1b8ec87a | 1644 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) && |
3713b4e3 | 1645 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
1b8ec87a | 1646 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && |
3713b4e3 | 1647 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) || |
1b8ec87a | 1648 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && |
3713b4e3 | 1649 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
1b8ec87a | 1650 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && |
3713b4e3 | 1651 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
1b8ec87a | 1652 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && |
3713b4e3 | 1653 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
1b8ec87a | 1654 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) && |
3713b4e3 JB |
1655 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
1656 | return -ENOBUFS; | |
9360ffd1 | 1657 | |
1b8ec87a | 1658 | if (rdev->wiphy.wowlan->n_patterns) { |
50ac6607 | 1659 | struct nl80211_pattern_support pat = { |
1b8ec87a ZG |
1660 | .max_patterns = rdev->wiphy.wowlan->n_patterns, |
1661 | .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len, | |
1662 | .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len, | |
1663 | .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset, | |
3713b4e3 | 1664 | }; |
9360ffd1 | 1665 | |
3713b4e3 JB |
1666 | if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, |
1667 | sizeof(pat), &pat)) | |
1668 | return -ENOBUFS; | |
1669 | } | |
9360ffd1 | 1670 | |
75453ccb LC |
1671 | if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) && |
1672 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT, | |
1673 | rdev->wiphy.wowlan->max_nd_match_sets)) | |
1674 | return -ENOBUFS; | |
1675 | ||
1b8ec87a | 1676 | if (large && nl80211_send_wowlan_tcp_caps(rdev, msg)) |
b56cf720 JB |
1677 | return -ENOBUFS; |
1678 | ||
3713b4e3 | 1679 | nla_nest_end(msg, nl_wowlan); |
9360ffd1 | 1680 | |
3713b4e3 JB |
1681 | return 0; |
1682 | } | |
1683 | #endif | |
9360ffd1 | 1684 | |
be29b99a | 1685 | static int nl80211_send_coalesce(struct sk_buff *msg, |
1b8ec87a | 1686 | struct cfg80211_registered_device *rdev) |
be29b99a AK |
1687 | { |
1688 | struct nl80211_coalesce_rule_support rule; | |
1689 | ||
1b8ec87a | 1690 | if (!rdev->wiphy.coalesce) |
be29b99a AK |
1691 | return 0; |
1692 | ||
1b8ec87a ZG |
1693 | rule.max_rules = rdev->wiphy.coalesce->n_rules; |
1694 | rule.max_delay = rdev->wiphy.coalesce->max_delay; | |
1695 | rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns; | |
1696 | rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len; | |
1697 | rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len; | |
1698 | rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset; | |
be29b99a AK |
1699 | |
1700 | if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule)) | |
1701 | return -ENOBUFS; | |
1702 | ||
1703 | return 0; | |
1704 | } | |
1705 | ||
c4cbaf79 LC |
1706 | static int |
1707 | nl80211_send_iftype_data(struct sk_buff *msg, | |
22395217 | 1708 | const struct ieee80211_supported_band *sband, |
c4cbaf79 LC |
1709 | const struct ieee80211_sband_iftype_data *iftdata) |
1710 | { | |
1711 | const struct ieee80211_sta_he_cap *he_cap = &iftdata->he_cap; | |
1712 | ||
1713 | if (nl80211_put_iftypes(msg, NL80211_BAND_IFTYPE_ATTR_IFTYPES, | |
1714 | iftdata->types_mask)) | |
1715 | return -ENOBUFS; | |
1716 | ||
1717 | if (he_cap->has_he) { | |
1718 | if (nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MAC, | |
1719 | sizeof(he_cap->he_cap_elem.mac_cap_info), | |
1720 | he_cap->he_cap_elem.mac_cap_info) || | |
1721 | nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PHY, | |
1722 | sizeof(he_cap->he_cap_elem.phy_cap_info), | |
1723 | he_cap->he_cap_elem.phy_cap_info) || | |
1724 | nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_MCS_SET, | |
1725 | sizeof(he_cap->he_mcs_nss_supp), | |
1726 | &he_cap->he_mcs_nss_supp) || | |
1727 | nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_CAP_PPE, | |
1728 | sizeof(he_cap->ppe_thres), he_cap->ppe_thres)) | |
1729 | return -ENOBUFS; | |
1730 | } | |
1731 | ||
22395217 JB |
1732 | if (sband->band == NL80211_BAND_6GHZ && |
1733 | nla_put(msg, NL80211_BAND_IFTYPE_ATTR_HE_6GHZ_CAPA, | |
1734 | sizeof(iftdata->he_6ghz_capa), | |
1735 | &iftdata->he_6ghz_capa)) | |
1736 | return -ENOBUFS; | |
1737 | ||
f4f86505 JB |
1738 | if (iftdata->vendor_elems.data && iftdata->vendor_elems.len && |
1739 | nla_put(msg, NL80211_BAND_IFTYPE_ATTR_VENDOR_ELEMS, | |
1740 | iftdata->vendor_elems.len, iftdata->vendor_elems.data)) | |
1741 | return -ENOBUFS; | |
1742 | ||
c4cbaf79 LC |
1743 | return 0; |
1744 | } | |
1745 | ||
3713b4e3 | 1746 | static int nl80211_send_band_rateinfo(struct sk_buff *msg, |
f8d504ca JB |
1747 | struct ieee80211_supported_band *sband, |
1748 | bool large) | |
3713b4e3 JB |
1749 | { |
1750 | struct nlattr *nl_rates, *nl_rate; | |
1751 | struct ieee80211_rate *rate; | |
1752 | int i; | |
87bbbe22 | 1753 | |
3713b4e3 JB |
1754 | /* add HT info */ |
1755 | if (sband->ht_cap.ht_supported && | |
1756 | (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
1757 | sizeof(sband->ht_cap.mcs), | |
1758 | &sband->ht_cap.mcs) || | |
1759 | nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
1760 | sband->ht_cap.cap) || | |
1761 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
1762 | sband->ht_cap.ampdu_factor) || | |
1763 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
1764 | sband->ht_cap.ampdu_density))) | |
1765 | return -ENOBUFS; | |
afe0cbf8 | 1766 | |
3713b4e3 JB |
1767 | /* add VHT info */ |
1768 | if (sband->vht_cap.vht_supported && | |
1769 | (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET, | |
1770 | sizeof(sband->vht_cap.vht_mcs), | |
1771 | &sband->vht_cap.vht_mcs) || | |
1772 | nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA, | |
1773 | sband->vht_cap.cap))) | |
1774 | return -ENOBUFS; | |
f59ac048 | 1775 | |
f8d504ca | 1776 | if (large && sband->n_iftype_data) { |
c4cbaf79 | 1777 | struct nlattr *nl_iftype_data = |
ae0be8de MK |
1778 | nla_nest_start_noflag(msg, |
1779 | NL80211_BAND_ATTR_IFTYPE_DATA); | |
c4cbaf79 LC |
1780 | int err; |
1781 | ||
1782 | if (!nl_iftype_data) | |
1783 | return -ENOBUFS; | |
1784 | ||
1785 | for (i = 0; i < sband->n_iftype_data; i++) { | |
1786 | struct nlattr *iftdata; | |
1787 | ||
ae0be8de | 1788 | iftdata = nla_nest_start_noflag(msg, i + 1); |
c4cbaf79 LC |
1789 | if (!iftdata) |
1790 | return -ENOBUFS; | |
1791 | ||
22395217 | 1792 | err = nl80211_send_iftype_data(msg, sband, |
c4cbaf79 LC |
1793 | &sband->iftype_data[i]); |
1794 | if (err) | |
1795 | return err; | |
1796 | ||
1797 | nla_nest_end(msg, iftdata); | |
1798 | } | |
1799 | ||
1800 | nla_nest_end(msg, nl_iftype_data); | |
1801 | } | |
1802 | ||
2a38075c | 1803 | /* add EDMG info */ |
f8d504ca | 1804 | if (large && sband->edmg_cap.channels && |
2a38075c AAL |
1805 | (nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_CHANNELS, |
1806 | sband->edmg_cap.channels) || | |
1807 | nla_put_u8(msg, NL80211_BAND_ATTR_EDMG_BW_CONFIG, | |
1808 | sband->edmg_cap.bw_config))) | |
1809 | ||
1810 | return -ENOBUFS; | |
1811 | ||
3713b4e3 | 1812 | /* add bitrates */ |
ae0be8de | 1813 | nl_rates = nla_nest_start_noflag(msg, NL80211_BAND_ATTR_RATES); |
3713b4e3 JB |
1814 | if (!nl_rates) |
1815 | return -ENOBUFS; | |
ee688b00 | 1816 | |
3713b4e3 | 1817 | for (i = 0; i < sband->n_bitrates; i++) { |
ae0be8de | 1818 | nl_rate = nla_nest_start_noflag(msg, i); |
3713b4e3 JB |
1819 | if (!nl_rate) |
1820 | return -ENOBUFS; | |
ee688b00 | 1821 | |
3713b4e3 JB |
1822 | rate = &sband->bitrates[i]; |
1823 | if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE, | |
1824 | rate->bitrate)) | |
1825 | return -ENOBUFS; | |
1826 | if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && | |
1827 | nla_put_flag(msg, | |
1828 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE)) | |
1829 | return -ENOBUFS; | |
ee688b00 | 1830 | |
3713b4e3 JB |
1831 | nla_nest_end(msg, nl_rate); |
1832 | } | |
d51626df | 1833 | |
3713b4e3 | 1834 | nla_nest_end(msg, nl_rates); |
bf0c111e | 1835 | |
3713b4e3 JB |
1836 | return 0; |
1837 | } | |
ee688b00 | 1838 | |
3713b4e3 JB |
1839 | static int |
1840 | nl80211_send_mgmt_stypes(struct sk_buff *msg, | |
1841 | const struct ieee80211_txrx_stypes *mgmt_stypes) | |
1842 | { | |
1843 | u16 stypes; | |
1844 | struct nlattr *nl_ftypes, *nl_ifs; | |
1845 | enum nl80211_iftype ift; | |
1846 | int i; | |
ee688b00 | 1847 | |
3713b4e3 JB |
1848 | if (!mgmt_stypes) |
1849 | return 0; | |
5dab3b8a | 1850 | |
ae0be8de | 1851 | nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_TX_FRAME_TYPES); |
3713b4e3 JB |
1852 | if (!nl_ifs) |
1853 | return -ENOBUFS; | |
e2f367f2 | 1854 | |
3713b4e3 | 1855 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
ae0be8de | 1856 | nl_ftypes = nla_nest_start_noflag(msg, ift); |
3713b4e3 JB |
1857 | if (!nl_ftypes) |
1858 | return -ENOBUFS; | |
1859 | i = 0; | |
1860 | stypes = mgmt_stypes[ift].tx; | |
1861 | while (stypes) { | |
1862 | if ((stypes & 1) && | |
1863 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1864 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1865 | return -ENOBUFS; | |
1866 | stypes >>= 1; | |
1867 | i++; | |
ee688b00 | 1868 | } |
3713b4e3 JB |
1869 | nla_nest_end(msg, nl_ftypes); |
1870 | } | |
ee688b00 | 1871 | |
3713b4e3 | 1872 | nla_nest_end(msg, nl_ifs); |
ee688b00 | 1873 | |
ae0be8de | 1874 | nl_ifs = nla_nest_start_noflag(msg, NL80211_ATTR_RX_FRAME_TYPES); |
3713b4e3 JB |
1875 | if (!nl_ifs) |
1876 | return -ENOBUFS; | |
ee688b00 | 1877 | |
3713b4e3 | 1878 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
ae0be8de | 1879 | nl_ftypes = nla_nest_start_noflag(msg, ift); |
3713b4e3 JB |
1880 | if (!nl_ftypes) |
1881 | return -ENOBUFS; | |
1882 | i = 0; | |
1883 | stypes = mgmt_stypes[ift].rx; | |
1884 | while (stypes) { | |
1885 | if ((stypes & 1) && | |
1886 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1887 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1888 | return -ENOBUFS; | |
1889 | stypes >>= 1; | |
1890 | i++; | |
1891 | } | |
1892 | nla_nest_end(msg, nl_ftypes); | |
1893 | } | |
1894 | nla_nest_end(msg, nl_ifs); | |
ee688b00 | 1895 | |
3713b4e3 JB |
1896 | return 0; |
1897 | } | |
ee688b00 | 1898 | |
1794899e JB |
1899 | #define CMD(op, n) \ |
1900 | do { \ | |
1901 | if (rdev->ops->op) { \ | |
1902 | i++; \ | |
1903 | if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \ | |
1904 | goto nla_put_failure; \ | |
1905 | } \ | |
1906 | } while (0) | |
1907 | ||
1908 | static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev, | |
1909 | struct sk_buff *msg) | |
1910 | { | |
1911 | int i = 0; | |
1912 | ||
1913 | /* | |
1914 | * do *NOT* add anything into this function, new things need to be | |
1915 | * advertised only to new versions of userspace that can deal with | |
1916 | * the split (and they can't possibly care about new features... | |
1917 | */ | |
1918 | CMD(add_virtual_intf, NEW_INTERFACE); | |
1919 | CMD(change_virtual_intf, SET_INTERFACE); | |
1920 | CMD(add_key, NEW_KEY); | |
1921 | CMD(start_ap, START_AP); | |
1922 | CMD(add_station, NEW_STATION); | |
1923 | CMD(add_mpath, NEW_MPATH); | |
1924 | CMD(update_mesh_config, SET_MESH_CONFIG); | |
1925 | CMD(change_bss, SET_BSS); | |
1926 | CMD(auth, AUTHENTICATE); | |
1927 | CMD(assoc, ASSOCIATE); | |
1928 | CMD(deauth, DEAUTHENTICATE); | |
1929 | CMD(disassoc, DISASSOCIATE); | |
1930 | CMD(join_ibss, JOIN_IBSS); | |
1931 | CMD(join_mesh, JOIN_MESH); | |
1932 | CMD(set_pmksa, SET_PMKSA); | |
1933 | CMD(del_pmksa, DEL_PMKSA); | |
1934 | CMD(flush_pmksa, FLUSH_PMKSA); | |
1935 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) | |
1936 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); | |
1937 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); | |
1938 | CMD(mgmt_tx, FRAME); | |
1939 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); | |
1940 | if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { | |
1941 | i++; | |
1942 | if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) | |
1943 | goto nla_put_failure; | |
1944 | } | |
1945 | if (rdev->ops->set_monitor_channel || rdev->ops->start_ap || | |
1946 | rdev->ops->join_mesh) { | |
1947 | i++; | |
1948 | if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) | |
1949 | goto nla_put_failure; | |
1950 | } | |
1794899e JB |
1951 | if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { |
1952 | CMD(tdls_mgmt, TDLS_MGMT); | |
1953 | CMD(tdls_oper, TDLS_OPER); | |
1954 | } | |
ca986ad9 | 1955 | if (rdev->wiphy.max_sched_scan_reqs) |
1794899e JB |
1956 | CMD(sched_scan_start, START_SCHED_SCAN); |
1957 | CMD(probe_client, PROBE_CLIENT); | |
1958 | CMD(set_noack_map, SET_NOACK_MAP); | |
1959 | if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { | |
1960 | i++; | |
1961 | if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) | |
1962 | goto nla_put_failure; | |
1963 | } | |
1964 | CMD(start_p2p_device, START_P2P_DEVICE); | |
1965 | CMD(set_mcast_rate, SET_MCAST_RATE); | |
1966 | #ifdef CONFIG_NL80211_TESTMODE | |
1967 | CMD(testmode_cmd, TESTMODE); | |
1968 | #endif | |
1969 | ||
1970 | if (rdev->ops->connect || rdev->ops->auth) { | |
1971 | i++; | |
1972 | if (nla_put_u32(msg, i, NL80211_CMD_CONNECT)) | |
1973 | goto nla_put_failure; | |
1974 | } | |
1975 | ||
1976 | if (rdev->ops->disconnect || rdev->ops->deauth) { | |
1977 | i++; | |
1978 | if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT)) | |
1979 | goto nla_put_failure; | |
1980 | } | |
1981 | ||
1982 | return i; | |
1983 | nla_put_failure: | |
1984 | return -ENOBUFS; | |
1985 | } | |
1986 | ||
9bb7e0f2 JB |
1987 | static int |
1988 | nl80211_send_pmsr_ftm_capa(const struct cfg80211_pmsr_capabilities *cap, | |
1989 | struct sk_buff *msg) | |
1990 | { | |
1991 | struct nlattr *ftm; | |
1992 | ||
1993 | if (!cap->ftm.supported) | |
1994 | return 0; | |
1995 | ||
ae0be8de | 1996 | ftm = nla_nest_start_noflag(msg, NL80211_PMSR_TYPE_FTM); |
9bb7e0f2 JB |
1997 | if (!ftm) |
1998 | return -ENOBUFS; | |
1999 | ||
2000 | if (cap->ftm.asap && nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_ASAP)) | |
2001 | return -ENOBUFS; | |
2002 | if (cap->ftm.non_asap && | |
2003 | nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_ASAP)) | |
2004 | return -ENOBUFS; | |
2005 | if (cap->ftm.request_lci && | |
2006 | nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_LCI)) | |
2007 | return -ENOBUFS; | |
2008 | if (cap->ftm.request_civicloc && | |
2009 | nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_REQ_CIVICLOC)) | |
2010 | return -ENOBUFS; | |
2011 | if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_PREAMBLES, | |
2012 | cap->ftm.preambles)) | |
2013 | return -ENOBUFS; | |
2014 | if (nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_BANDWIDTHS, | |
2015 | cap->ftm.bandwidths)) | |
2016 | return -ENOBUFS; | |
2017 | if (cap->ftm.max_bursts_exponent >= 0 && | |
2018 | nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_BURSTS_EXPONENT, | |
2019 | cap->ftm.max_bursts_exponent)) | |
2020 | return -ENOBUFS; | |
2021 | if (cap->ftm.max_ftms_per_burst && | |
2022 | nla_put_u32(msg, NL80211_PMSR_FTM_CAPA_ATTR_MAX_FTMS_PER_BURST, | |
2023 | cap->ftm.max_ftms_per_burst)) | |
2024 | return -ENOBUFS; | |
efb5520d AS |
2025 | if (cap->ftm.trigger_based && |
2026 | nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_TRIGGER_BASED)) | |
2027 | return -ENOBUFS; | |
2028 | if (cap->ftm.non_trigger_based && | |
2029 | nla_put_flag(msg, NL80211_PMSR_FTM_CAPA_ATTR_NON_TRIGGER_BASED)) | |
2030 | return -ENOBUFS; | |
9bb7e0f2 JB |
2031 | |
2032 | nla_nest_end(msg, ftm); | |
2033 | return 0; | |
2034 | } | |
2035 | ||
2036 | static int nl80211_send_pmsr_capa(struct cfg80211_registered_device *rdev, | |
2037 | struct sk_buff *msg) | |
2038 | { | |
2039 | const struct cfg80211_pmsr_capabilities *cap = rdev->wiphy.pmsr_capa; | |
2040 | struct nlattr *pmsr, *caps; | |
2041 | ||
2042 | if (!cap) | |
2043 | return 0; | |
2044 | ||
2045 | /* | |
2046 | * we don't need to clean up anything here since the caller | |
2047 | * will genlmsg_cancel() if we fail | |
2048 | */ | |
2049 | ||
ae0be8de | 2050 | pmsr = nla_nest_start_noflag(msg, NL80211_ATTR_PEER_MEASUREMENTS); |
9bb7e0f2 JB |
2051 | if (!pmsr) |
2052 | return -ENOBUFS; | |
2053 | ||
2054 | if (nla_put_u32(msg, NL80211_PMSR_ATTR_MAX_PEERS, cap->max_peers)) | |
2055 | return -ENOBUFS; | |
2056 | ||
2057 | if (cap->report_ap_tsf && | |
2058 | nla_put_flag(msg, NL80211_PMSR_ATTR_REPORT_AP_TSF)) | |
2059 | return -ENOBUFS; | |
2060 | ||
2061 | if (cap->randomize_mac_addr && | |
2062 | nla_put_flag(msg, NL80211_PMSR_ATTR_RANDOMIZE_MAC_ADDR)) | |
2063 | return -ENOBUFS; | |
2064 | ||
ae0be8de | 2065 | caps = nla_nest_start_noflag(msg, NL80211_PMSR_ATTR_TYPE_CAPA); |
9bb7e0f2 JB |
2066 | if (!caps) |
2067 | return -ENOBUFS; | |
2068 | ||
2069 | if (nl80211_send_pmsr_ftm_capa(cap, msg)) | |
2070 | return -ENOBUFS; | |
2071 | ||
2072 | nla_nest_end(msg, caps); | |
2073 | nla_nest_end(msg, pmsr); | |
2074 | ||
2075 | return 0; | |
2076 | } | |
2077 | ||
d6039a34 VJ |
2078 | static int |
2079 | nl80211_put_iftype_akm_suites(struct cfg80211_registered_device *rdev, | |
2080 | struct sk_buff *msg) | |
2081 | { | |
2082 | int i; | |
2083 | struct nlattr *nested, *nested_akms; | |
2084 | const struct wiphy_iftype_akm_suites *iftype_akms; | |
2085 | ||
2086 | if (!rdev->wiphy.num_iftype_akm_suites || | |
2087 | !rdev->wiphy.iftype_akm_suites) | |
2088 | return 0; | |
2089 | ||
2090 | nested = nla_nest_start(msg, NL80211_ATTR_IFTYPE_AKM_SUITES); | |
2091 | if (!nested) | |
2092 | return -ENOBUFS; | |
2093 | ||
2094 | for (i = 0; i < rdev->wiphy.num_iftype_akm_suites; i++) { | |
2095 | nested_akms = nla_nest_start(msg, i + 1); | |
2096 | if (!nested_akms) | |
2097 | return -ENOBUFS; | |
2098 | ||
2099 | iftype_akms = &rdev->wiphy.iftype_akm_suites[i]; | |
2100 | ||
2101 | if (nl80211_put_iftypes(msg, NL80211_IFTYPE_AKM_ATTR_IFTYPES, | |
2102 | iftype_akms->iftypes_mask)) | |
2103 | return -ENOBUFS; | |
2104 | ||
2105 | if (nla_put(msg, NL80211_IFTYPE_AKM_ATTR_SUITES, | |
2106 | sizeof(u32) * iftype_akms->n_akm_suites, | |
2107 | iftype_akms->akm_suites)) { | |
2108 | return -ENOBUFS; | |
2109 | } | |
2110 | nla_nest_end(msg, nested_akms); | |
2111 | } | |
2112 | ||
2113 | nla_nest_end(msg, nested); | |
2114 | ||
2115 | return 0; | |
2116 | } | |
2117 | ||
3710a8a6 JB |
2118 | static int |
2119 | nl80211_put_tid_config_support(struct cfg80211_registered_device *rdev, | |
2120 | struct sk_buff *msg) | |
2121 | { | |
2122 | struct nlattr *supp; | |
2123 | ||
2124 | if (!rdev->wiphy.tid_config_support.vif && | |
2125 | !rdev->wiphy.tid_config_support.peer) | |
2126 | return 0; | |
2127 | ||
2128 | supp = nla_nest_start(msg, NL80211_ATTR_TID_CONFIG); | |
2129 | if (!supp) | |
2130 | return -ENOSPC; | |
2131 | ||
2132 | if (rdev->wiphy.tid_config_support.vif && | |
2133 | nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_VIF_SUPP, | |
2134 | rdev->wiphy.tid_config_support.vif, | |
2135 | NL80211_TID_CONFIG_ATTR_PAD)) | |
2136 | goto fail; | |
2137 | ||
2138 | if (rdev->wiphy.tid_config_support.peer && | |
2139 | nla_put_u64_64bit(msg, NL80211_TID_CONFIG_ATTR_PEER_SUPP, | |
2140 | rdev->wiphy.tid_config_support.peer, | |
2141 | NL80211_TID_CONFIG_ATTR_PAD)) | |
2142 | goto fail; | |
2143 | ||
6a21d16c T |
2144 | /* for now we just use the same value ... makes more sense */ |
2145 | if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_SHORT, | |
2146 | rdev->wiphy.tid_config_support.max_retry)) | |
2147 | goto fail; | |
2148 | if (nla_put_u8(msg, NL80211_TID_CONFIG_ATTR_RETRY_LONG, | |
2149 | rdev->wiphy.tid_config_support.max_retry)) | |
2150 | goto fail; | |
2151 | ||
3710a8a6 JB |
2152 | nla_nest_end(msg, supp); |
2153 | ||
2154 | return 0; | |
2155 | fail: | |
2156 | nla_nest_cancel(msg, supp); | |
2157 | return -ENOBUFS; | |
2158 | } | |
2159 | ||
6bdb68ce CH |
2160 | static int |
2161 | nl80211_put_sar_specs(struct cfg80211_registered_device *rdev, | |
2162 | struct sk_buff *msg) | |
2163 | { | |
2164 | struct nlattr *sar_capa, *specs, *sub_freq_range; | |
2165 | u8 num_freq_ranges; | |
2166 | int i; | |
2167 | ||
2168 | if (!rdev->wiphy.sar_capa) | |
2169 | return 0; | |
2170 | ||
2171 | num_freq_ranges = rdev->wiphy.sar_capa->num_freq_ranges; | |
2172 | ||
2173 | sar_capa = nla_nest_start(msg, NL80211_ATTR_SAR_SPEC); | |
2174 | if (!sar_capa) | |
2175 | return -ENOSPC; | |
2176 | ||
2177 | if (nla_put_u32(msg, NL80211_SAR_ATTR_TYPE, rdev->wiphy.sar_capa->type)) | |
2178 | goto fail; | |
2179 | ||
2180 | specs = nla_nest_start(msg, NL80211_SAR_ATTR_SPECS); | |
2181 | if (!specs) | |
2182 | goto fail; | |
2183 | ||
2184 | /* report supported freq_ranges */ | |
2185 | for (i = 0; i < num_freq_ranges; i++) { | |
2186 | sub_freq_range = nla_nest_start(msg, i + 1); | |
2187 | if (!sub_freq_range) | |
2188 | goto fail; | |
2189 | ||
2190 | if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_START_FREQ, | |
2191 | rdev->wiphy.sar_capa->freq_ranges[i].start_freq)) | |
2192 | goto fail; | |
2193 | ||
2194 | if (nla_put_u32(msg, NL80211_SAR_ATTR_SPECS_END_FREQ, | |
2195 | rdev->wiphy.sar_capa->freq_ranges[i].end_freq)) | |
2196 | goto fail; | |
2197 | ||
2198 | nla_nest_end(msg, sub_freq_range); | |
2199 | } | |
2200 | ||
2201 | nla_nest_end(msg, specs); | |
2202 | nla_nest_end(msg, sar_capa); | |
2203 | ||
2204 | return 0; | |
2205 | fail: | |
2206 | nla_nest_cancel(msg, sar_capa); | |
2207 | return -ENOBUFS; | |
2208 | } | |
2209 | ||
86e8cf98 JB |
2210 | struct nl80211_dump_wiphy_state { |
2211 | s64 filter_wiphy; | |
2212 | long start; | |
019ae3a9 | 2213 | long split_start, band_start, chan_start, capa_start; |
86e8cf98 JB |
2214 | bool split; |
2215 | }; | |
2216 | ||
1b8ec87a | 2217 | static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, |
3bb20556 | 2218 | enum nl80211_commands cmd, |
3713b4e3 | 2219 | struct sk_buff *msg, u32 portid, u32 seq, |
86e8cf98 | 2220 | int flags, struct nl80211_dump_wiphy_state *state) |
3713b4e3 JB |
2221 | { |
2222 | void *hdr; | |
2223 | struct nlattr *nl_bands, *nl_band; | |
2224 | struct nlattr *nl_freqs, *nl_freq; | |
2225 | struct nlattr *nl_cmds; | |
57fbcce3 | 2226 | enum nl80211_band band; |
3713b4e3 JB |
2227 | struct ieee80211_channel *chan; |
2228 | int i; | |
2229 | const struct ieee80211_txrx_stypes *mgmt_stypes = | |
1b8ec87a | 2230 | rdev->wiphy.mgmt_stypes; |
fe1abafd | 2231 | u32 features; |
ee688b00 | 2232 | |
3bb20556 | 2233 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
3713b4e3 JB |
2234 | if (!hdr) |
2235 | return -ENOBUFS; | |
ee688b00 | 2236 | |
86e8cf98 JB |
2237 | if (WARN_ON(!state)) |
2238 | return -EINVAL; | |
ee688b00 | 2239 | |
1b8ec87a | 2240 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
3713b4e3 | 2241 | nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, |
1b8ec87a | 2242 | wiphy_name(&rdev->wiphy)) || |
3713b4e3 JB |
2243 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
2244 | cfg80211_rdev_list_generation)) | |
8fdc621d JB |
2245 | goto nla_put_failure; |
2246 | ||
3bb20556 JB |
2247 | if (cmd != NL80211_CMD_NEW_WIPHY) |
2248 | goto finish; | |
2249 | ||
86e8cf98 | 2250 | switch (state->split_start) { |
3713b4e3 JB |
2251 | case 0: |
2252 | if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, | |
1b8ec87a | 2253 | rdev->wiphy.retry_short) || |
3713b4e3 | 2254 | nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, |
1b8ec87a | 2255 | rdev->wiphy.retry_long) || |
3713b4e3 | 2256 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, |
1b8ec87a | 2257 | rdev->wiphy.frag_threshold) || |
3713b4e3 | 2258 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, |
1b8ec87a | 2259 | rdev->wiphy.rts_threshold) || |
3713b4e3 | 2260 | nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, |
1b8ec87a | 2261 | rdev->wiphy.coverage_class) || |
3713b4e3 | 2262 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, |
1b8ec87a | 2263 | rdev->wiphy.max_scan_ssids) || |
3713b4e3 | 2264 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, |
1b8ec87a | 2265 | rdev->wiphy.max_sched_scan_ssids) || |
3713b4e3 | 2266 | nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, |
1b8ec87a | 2267 | rdev->wiphy.max_scan_ie_len) || |
3713b4e3 | 2268 | nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, |
1b8ec87a | 2269 | rdev->wiphy.max_sched_scan_ie_len) || |
3713b4e3 | 2270 | nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS, |
f8d504ca | 2271 | rdev->wiphy.max_match_sets)) |
9360ffd1 | 2272 | goto nla_put_failure; |
3713b4e3 | 2273 | |
1b8ec87a | 2274 | if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && |
3713b4e3 | 2275 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN)) |
aa430da4 | 2276 | goto nla_put_failure; |
1b8ec87a | 2277 | if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && |
3713b4e3 JB |
2278 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH)) |
2279 | goto nla_put_failure; | |
1b8ec87a | 2280 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && |
3713b4e3 JB |
2281 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD)) |
2282 | goto nla_put_failure; | |
1b8ec87a | 2283 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && |
3713b4e3 JB |
2284 | nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT)) |
2285 | goto nla_put_failure; | |
1b8ec87a | 2286 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && |
3713b4e3 JB |
2287 | nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT)) |
2288 | goto nla_put_failure; | |
1b8ec87a | 2289 | if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && |
3713b4e3 | 2290 | nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) |
9360ffd1 | 2291 | goto nla_put_failure; |
86e8cf98 JB |
2292 | state->split_start++; |
2293 | if (state->split) | |
3713b4e3 | 2294 | break; |
7b506ff6 | 2295 | fallthrough; |
3713b4e3 JB |
2296 | case 1: |
2297 | if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, | |
1b8ec87a ZG |
2298 | sizeof(u32) * rdev->wiphy.n_cipher_suites, |
2299 | rdev->wiphy.cipher_suites)) | |
3713b4e3 | 2300 | goto nla_put_failure; |
4745fc09 | 2301 | |
3713b4e3 | 2302 | if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
1b8ec87a | 2303 | rdev->wiphy.max_num_pmkids)) |
3713b4e3 | 2304 | goto nla_put_failure; |
b23aa676 | 2305 | |
1b8ec87a | 2306 | if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && |
3713b4e3 | 2307 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE)) |
9360ffd1 | 2308 | goto nla_put_failure; |
b23aa676 | 2309 | |
3713b4e3 | 2310 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
1b8ec87a | 2311 | rdev->wiphy.available_antennas_tx) || |
3713b4e3 | 2312 | nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, |
1b8ec87a | 2313 | rdev->wiphy.available_antennas_rx)) |
9360ffd1 | 2314 | goto nla_put_failure; |
b23aa676 | 2315 | |
1b8ec87a | 2316 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && |
3713b4e3 | 2317 | nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, |
1b8ec87a | 2318 | rdev->wiphy.probe_resp_offload)) |
3713b4e3 | 2319 | goto nla_put_failure; |
8fdc621d | 2320 | |
1b8ec87a ZG |
2321 | if ((rdev->wiphy.available_antennas_tx || |
2322 | rdev->wiphy.available_antennas_rx) && | |
2323 | rdev->ops->get_antenna) { | |
3713b4e3 JB |
2324 | u32 tx_ant = 0, rx_ant = 0; |
2325 | int res; | |
7a087e74 | 2326 | |
1b8ec87a | 2327 | res = rdev_get_antenna(rdev, &tx_ant, &rx_ant); |
3713b4e3 JB |
2328 | if (!res) { |
2329 | if (nla_put_u32(msg, | |
2330 | NL80211_ATTR_WIPHY_ANTENNA_TX, | |
2331 | tx_ant) || | |
2332 | nla_put_u32(msg, | |
2333 | NL80211_ATTR_WIPHY_ANTENNA_RX, | |
2334 | rx_ant)) | |
2335 | goto nla_put_failure; | |
2336 | } | |
2337 | } | |
a293911d | 2338 | |
86e8cf98 JB |
2339 | state->split_start++; |
2340 | if (state->split) | |
3713b4e3 | 2341 | break; |
7b506ff6 | 2342 | fallthrough; |
3713b4e3 JB |
2343 | case 2: |
2344 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, | |
1b8ec87a | 2345 | rdev->wiphy.interface_modes)) |
3713b4e3 | 2346 | goto nla_put_failure; |
86e8cf98 JB |
2347 | state->split_start++; |
2348 | if (state->split) | |
3713b4e3 | 2349 | break; |
7b506ff6 | 2350 | fallthrough; |
3713b4e3 | 2351 | case 3: |
ae0be8de MK |
2352 | nl_bands = nla_nest_start_noflag(msg, |
2353 | NL80211_ATTR_WIPHY_BANDS); | |
3713b4e3 JB |
2354 | if (!nl_bands) |
2355 | goto nla_put_failure; | |
f7ca38df | 2356 | |
86e8cf98 | 2357 | for (band = state->band_start; |
0d059964 JB |
2358 | band < (state->split ? |
2359 | NUM_NL80211_BANDS : | |
2360 | NL80211_BAND_60GHZ + 1); | |
2361 | band++) { | |
3713b4e3 | 2362 | struct ieee80211_supported_band *sband; |
2e161f78 | 2363 | |
f8d504ca JB |
2364 | /* omit higher bands for ancient software */ |
2365 | if (band > NL80211_BAND_5GHZ && !state->split) | |
2366 | break; | |
2367 | ||
1b8ec87a | 2368 | sband = rdev->wiphy.bands[band]; |
2e161f78 | 2369 | |
3713b4e3 JB |
2370 | if (!sband) |
2371 | continue; | |
2372 | ||
ae0be8de | 2373 | nl_band = nla_nest_start_noflag(msg, band); |
3713b4e3 | 2374 | if (!nl_band) |
2e161f78 | 2375 | goto nla_put_failure; |
3713b4e3 | 2376 | |
86e8cf98 | 2377 | switch (state->chan_start) { |
3713b4e3 | 2378 | case 0: |
f8d504ca JB |
2379 | if (nl80211_send_band_rateinfo(msg, sband, |
2380 | state->split)) | |
9360ffd1 | 2381 | goto nla_put_failure; |
86e8cf98 JB |
2382 | state->chan_start++; |
2383 | if (state->split) | |
3713b4e3 | 2384 | break; |
7b506ff6 | 2385 | fallthrough; |
3713b4e3 JB |
2386 | default: |
2387 | /* add frequencies */ | |
ae0be8de MK |
2388 | nl_freqs = nla_nest_start_noflag(msg, |
2389 | NL80211_BAND_ATTR_FREQS); | |
3713b4e3 JB |
2390 | if (!nl_freqs) |
2391 | goto nla_put_failure; | |
2392 | ||
86e8cf98 | 2393 | for (i = state->chan_start - 1; |
3713b4e3 JB |
2394 | i < sband->n_channels; |
2395 | i++) { | |
ae0be8de MK |
2396 | nl_freq = nla_nest_start_noflag(msg, |
2397 | i); | |
3713b4e3 JB |
2398 | if (!nl_freq) |
2399 | goto nla_put_failure; | |
2400 | ||
2401 | chan = &sband->channels[i]; | |
2402 | ||
86e8cf98 | 2403 | if (nl80211_msg_put_channel( |
50f32718 | 2404 | msg, &rdev->wiphy, chan, |
86e8cf98 | 2405 | state->split)) |
3713b4e3 JB |
2406 | goto nla_put_failure; |
2407 | ||
2408 | nla_nest_end(msg, nl_freq); | |
86e8cf98 | 2409 | if (state->split) |
3713b4e3 JB |
2410 | break; |
2411 | } | |
2412 | if (i < sband->n_channels) | |
86e8cf98 | 2413 | state->chan_start = i + 2; |
3713b4e3 | 2414 | else |
86e8cf98 | 2415 | state->chan_start = 0; |
3713b4e3 JB |
2416 | nla_nest_end(msg, nl_freqs); |
2417 | } | |
2418 | ||
2419 | nla_nest_end(msg, nl_band); | |
2420 | ||
86e8cf98 | 2421 | if (state->split) { |
3713b4e3 | 2422 | /* start again here */ |
86e8cf98 | 2423 | if (state->chan_start) |
3713b4e3 JB |
2424 | band--; |
2425 | break; | |
2e161f78 | 2426 | } |
2e161f78 | 2427 | } |
3713b4e3 | 2428 | nla_nest_end(msg, nl_bands); |
2e161f78 | 2429 | |
57fbcce3 | 2430 | if (band < NUM_NL80211_BANDS) |
86e8cf98 | 2431 | state->band_start = band + 1; |
3713b4e3 | 2432 | else |
86e8cf98 | 2433 | state->band_start = 0; |
74b70a4e | 2434 | |
3713b4e3 | 2435 | /* if bands & channels are done, continue outside */ |
86e8cf98 JB |
2436 | if (state->band_start == 0 && state->chan_start == 0) |
2437 | state->split_start++; | |
2438 | if (state->split) | |
3713b4e3 | 2439 | break; |
7b506ff6 | 2440 | fallthrough; |
3713b4e3 | 2441 | case 4: |
ae0be8de MK |
2442 | nl_cmds = nla_nest_start_noflag(msg, |
2443 | NL80211_ATTR_SUPPORTED_COMMANDS); | |
3713b4e3 | 2444 | if (!nl_cmds) |
2e161f78 JB |
2445 | goto nla_put_failure; |
2446 | ||
1794899e JB |
2447 | i = nl80211_add_commands_unsplit(rdev, msg); |
2448 | if (i < 0) | |
2449 | goto nla_put_failure; | |
86e8cf98 | 2450 | if (state->split) { |
5de17984 AS |
2451 | CMD(crit_proto_start, CRIT_PROTOCOL_START); |
2452 | CMD(crit_proto_stop, CRIT_PROTOCOL_STOP); | |
1b8ec87a | 2453 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) |
16ef1fe2 | 2454 | CMD(channel_switch, CHANNEL_SWITCH); |
02df00eb | 2455 | CMD(set_qos_map, SET_QOS_MAP); |
723e73ac JB |
2456 | if (rdev->wiphy.features & |
2457 | NL80211_FEATURE_SUPPORTS_WMM_ADMISSION) | |
960d01ac | 2458 | CMD(add_tx_ts, ADD_TX_TS); |
ce0ce13a | 2459 | CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST); |
088e8df8 | 2460 | CMD(update_connect_params, UPDATE_CONNECT_PARAMS); |
7010998c | 2461 | CMD(update_ft_ies, UPDATE_FT_IES); |
6bdb68ce CH |
2462 | if (rdev->wiphy.sar_capa) |
2463 | CMD(set_sar_specs, SET_SAR_SPECS); | |
5de17984 | 2464 | } |
3713b4e3 | 2465 | #undef CMD |
ff1b6e69 | 2466 | |
3713b4e3 | 2467 | nla_nest_end(msg, nl_cmds); |
86e8cf98 JB |
2468 | state->split_start++; |
2469 | if (state->split) | |
3713b4e3 | 2470 | break; |
7b506ff6 | 2471 | fallthrough; |
3713b4e3 | 2472 | case 5: |
1b8ec87a ZG |
2473 | if (rdev->ops->remain_on_channel && |
2474 | (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && | |
3713b4e3 JB |
2475 | nla_put_u32(msg, |
2476 | NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
1b8ec87a | 2477 | rdev->wiphy.max_remain_on_channel_duration)) |
3713b4e3 JB |
2478 | goto nla_put_failure; |
2479 | ||
1b8ec87a | 2480 | if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && |
3713b4e3 JB |
2481 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) |
2482 | goto nla_put_failure; | |
2483 | ||
86e8cf98 JB |
2484 | state->split_start++; |
2485 | if (state->split) | |
3713b4e3 | 2486 | break; |
7b506ff6 | 2487 | fallthrough; |
3713b4e3 JB |
2488 | case 6: |
2489 | #ifdef CONFIG_PM | |
1b8ec87a | 2490 | if (nl80211_send_wowlan(msg, rdev, state->split)) |
3713b4e3 | 2491 | goto nla_put_failure; |
86e8cf98 JB |
2492 | state->split_start++; |
2493 | if (state->split) | |
3713b4e3 JB |
2494 | break; |
2495 | #else | |
86e8cf98 | 2496 | state->split_start++; |
dfb89c56 | 2497 | #endif |
7b506ff6 | 2498 | fallthrough; |
3713b4e3 JB |
2499 | case 7: |
2500 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, | |
1b8ec87a | 2501 | rdev->wiphy.software_iftypes)) |
3713b4e3 | 2502 | goto nla_put_failure; |
ff1b6e69 | 2503 | |
1b8ec87a | 2504 | if (nl80211_put_iface_combinations(&rdev->wiphy, msg, |
86e8cf98 | 2505 | state->split)) |
3713b4e3 | 2506 | goto nla_put_failure; |
7527a782 | 2507 | |
86e8cf98 JB |
2508 | state->split_start++; |
2509 | if (state->split) | |
3713b4e3 | 2510 | break; |
7b506ff6 | 2511 | fallthrough; |
3713b4e3 | 2512 | case 8: |
1b8ec87a | 2513 | if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && |
3713b4e3 | 2514 | nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, |
1b8ec87a | 2515 | rdev->wiphy.ap_sme_capa)) |
3713b4e3 | 2516 | goto nla_put_failure; |
7527a782 | 2517 | |
1b8ec87a | 2518 | features = rdev->wiphy.features; |
fe1abafd JB |
2519 | /* |
2520 | * We can only add the per-channel limit information if the | |
2521 | * dump is split, otherwise it makes it too big. Therefore | |
2522 | * only advertise it in that case. | |
2523 | */ | |
86e8cf98 | 2524 | if (state->split) |
fe1abafd JB |
2525 | features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; |
2526 | if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features)) | |
3713b4e3 | 2527 | goto nla_put_failure; |
562a7480 | 2528 | |
1b8ec87a | 2529 | if (rdev->wiphy.ht_capa_mod_mask && |
3713b4e3 | 2530 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, |
1b8ec87a ZG |
2531 | sizeof(*rdev->wiphy.ht_capa_mod_mask), |
2532 | rdev->wiphy.ht_capa_mod_mask)) | |
3713b4e3 | 2533 | goto nla_put_failure; |
1f074bd8 | 2534 | |
1b8ec87a ZG |
2535 | if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && |
2536 | rdev->wiphy.max_acl_mac_addrs && | |
3713b4e3 | 2537 | nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, |
1b8ec87a | 2538 | rdev->wiphy.max_acl_mac_addrs)) |
3713b4e3 | 2539 | goto nla_put_failure; |
7e7c8926 | 2540 | |
3713b4e3 JB |
2541 | /* |
2542 | * Any information below this point is only available to | |
2543 | * applications that can deal with it being split. This | |
2544 | * helps ensure that newly added capabilities don't break | |
2545 | * older tools by overrunning their buffers. | |
2546 | * | |
2547 | * We still increment split_start so that in the split | |
2548 | * case we'll continue with more data in the next round, | |
2549 | * but break unconditionally so unsplit data stops here. | |
2550 | */ | |
ab10c22b JB |
2551 | if (state->split) |
2552 | state->split_start++; | |
2553 | else | |
2554 | state->split_start = 0; | |
3713b4e3 JB |
2555 | break; |
2556 | case 9: | |
f8d504ca JB |
2557 | if (nl80211_send_mgmt_stypes(msg, mgmt_stypes)) |
2558 | goto nla_put_failure; | |
2559 | ||
2560 | if (nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS, | |
2561 | rdev->wiphy.max_sched_scan_plans) || | |
2562 | nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL, | |
2563 | rdev->wiphy.max_sched_scan_plan_interval) || | |
2564 | nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS, | |
2565 | rdev->wiphy.max_sched_scan_plan_iterations)) | |
2566 | goto nla_put_failure; | |
2567 | ||
1b8ec87a | 2568 | if (rdev->wiphy.extended_capabilities && |
fe1abafd | 2569 | (nla_put(msg, NL80211_ATTR_EXT_CAPA, |
1b8ec87a ZG |
2570 | rdev->wiphy.extended_capabilities_len, |
2571 | rdev->wiphy.extended_capabilities) || | |
fe1abafd | 2572 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, |
1b8ec87a ZG |
2573 | rdev->wiphy.extended_capabilities_len, |
2574 | rdev->wiphy.extended_capabilities_mask))) | |
fe1abafd | 2575 | goto nla_put_failure; |
a50df0c4 | 2576 | |
1b8ec87a | 2577 | if (rdev->wiphy.vht_capa_mod_mask && |
ee2aca34 | 2578 | nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, |
1b8ec87a ZG |
2579 | sizeof(*rdev->wiphy.vht_capa_mod_mask), |
2580 | rdev->wiphy.vht_capa_mod_mask)) | |
ee2aca34 JB |
2581 | goto nla_put_failure; |
2582 | ||
ae6fa4d5 DK |
2583 | if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, |
2584 | rdev->wiphy.perm_addr)) | |
2585 | goto nla_put_failure; | |
2586 | ||
2587 | if (!is_zero_ether_addr(rdev->wiphy.addr_mask) && | |
2588 | nla_put(msg, NL80211_ATTR_MAC_MASK, ETH_ALEN, | |
2589 | rdev->wiphy.addr_mask)) | |
2590 | goto nla_put_failure; | |
2591 | ||
2592 | if (rdev->wiphy.n_addresses > 1) { | |
2593 | void *attr; | |
2594 | ||
2595 | attr = nla_nest_start(msg, NL80211_ATTR_MAC_ADDRS); | |
2596 | if (!attr) | |
2597 | goto nla_put_failure; | |
2598 | ||
2599 | for (i = 0; i < rdev->wiphy.n_addresses; i++) | |
2600 | if (nla_put(msg, i + 1, ETH_ALEN, | |
2601 | rdev->wiphy.addresses[i].addr)) | |
2602 | goto nla_put_failure; | |
2603 | ||
2604 | nla_nest_end(msg, attr); | |
2605 | } | |
2606 | ||
be29b99a AK |
2607 | state->split_start++; |
2608 | break; | |
2609 | case 10: | |
1b8ec87a | 2610 | if (nl80211_send_coalesce(msg, rdev)) |
be29b99a AK |
2611 | goto nla_put_failure; |
2612 | ||
1b8ec87a | 2613 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) && |
01e0daa4 FF |
2614 | (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) || |
2615 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ))) | |
2616 | goto nla_put_failure; | |
b43504cf | 2617 | |
1b8ec87a | 2618 | if (rdev->wiphy.max_ap_assoc_sta && |
b43504cf | 2619 | nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA, |
1b8ec87a | 2620 | rdev->wiphy.max_ap_assoc_sta)) |
b43504cf JM |
2621 | goto nla_put_failure; |
2622 | ||
ad7e718c JB |
2623 | state->split_start++; |
2624 | break; | |
2625 | case 11: | |
1b8ec87a | 2626 | if (rdev->wiphy.n_vendor_commands) { |
567ffc35 JB |
2627 | const struct nl80211_vendor_cmd_info *info; |
2628 | struct nlattr *nested; | |
2629 | ||
ae0be8de MK |
2630 | nested = nla_nest_start_noflag(msg, |
2631 | NL80211_ATTR_VENDOR_DATA); | |
567ffc35 JB |
2632 | if (!nested) |
2633 | goto nla_put_failure; | |
2634 | ||
1b8ec87a ZG |
2635 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { |
2636 | info = &rdev->wiphy.vendor_commands[i].info; | |
567ffc35 JB |
2637 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
2638 | goto nla_put_failure; | |
2639 | } | |
2640 | nla_nest_end(msg, nested); | |
2641 | } | |
2642 | ||
1b8ec87a | 2643 | if (rdev->wiphy.n_vendor_events) { |
567ffc35 JB |
2644 | const struct nl80211_vendor_cmd_info *info; |
2645 | struct nlattr *nested; | |
ad7e718c | 2646 | |
ae0be8de MK |
2647 | nested = nla_nest_start_noflag(msg, |
2648 | NL80211_ATTR_VENDOR_EVENTS); | |
567ffc35 | 2649 | if (!nested) |
ad7e718c | 2650 | goto nla_put_failure; |
567ffc35 | 2651 | |
1b8ec87a ZG |
2652 | for (i = 0; i < rdev->wiphy.n_vendor_events; i++) { |
2653 | info = &rdev->wiphy.vendor_events[i]; | |
567ffc35 JB |
2654 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
2655 | goto nla_put_failure; | |
2656 | } | |
2657 | nla_nest_end(msg, nested); | |
2658 | } | |
9a774c78 AO |
2659 | state->split_start++; |
2660 | break; | |
2661 | case 12: | |
2662 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH && | |
2663 | nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS, | |
2664 | rdev->wiphy.max_num_csa_counters)) | |
2665 | goto nla_put_failure; | |
01e0daa4 | 2666 | |
1bdd716c AN |
2667 | if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && |
2668 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
2669 | goto nla_put_failure; | |
2670 | ||
ca986ad9 AVS |
2671 | if (rdev->wiphy.max_sched_scan_reqs && |
2672 | nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS, | |
2673 | rdev->wiphy.max_sched_scan_reqs)) | |
2674 | goto nla_put_failure; | |
2675 | ||
d75bb06b GKS |
2676 | if (nla_put(msg, NL80211_ATTR_EXT_FEATURES, |
2677 | sizeof(rdev->wiphy.ext_features), | |
2678 | rdev->wiphy.ext_features)) | |
2679 | goto nla_put_failure; | |
2680 | ||
38de03d2 AS |
2681 | if (rdev->wiphy.bss_select_support) { |
2682 | struct nlattr *nested; | |
2683 | u32 bss_select_support = rdev->wiphy.bss_select_support; | |
2684 | ||
ae0be8de MK |
2685 | nested = nla_nest_start_noflag(msg, |
2686 | NL80211_ATTR_BSS_SELECT); | |
38de03d2 AS |
2687 | if (!nested) |
2688 | goto nla_put_failure; | |
2689 | ||
2690 | i = 0; | |
2691 | while (bss_select_support) { | |
2692 | if ((bss_select_support & 1) && | |
2693 | nla_put_flag(msg, i)) | |
2694 | goto nla_put_failure; | |
2695 | i++; | |
2696 | bss_select_support >>= 1; | |
2697 | } | |
2698 | nla_nest_end(msg, nested); | |
2699 | } | |
2700 | ||
019ae3a9 KV |
2701 | state->split_start++; |
2702 | break; | |
2703 | case 13: | |
2704 | if (rdev->wiphy.num_iftype_ext_capab && | |
2705 | rdev->wiphy.iftype_ext_capab) { | |
2706 | struct nlattr *nested_ext_capab, *nested; | |
2707 | ||
ae0be8de MK |
2708 | nested = nla_nest_start_noflag(msg, |
2709 | NL80211_ATTR_IFTYPE_EXT_CAPA); | |
019ae3a9 KV |
2710 | if (!nested) |
2711 | goto nla_put_failure; | |
2712 | ||
2713 | for (i = state->capa_start; | |
2714 | i < rdev->wiphy.num_iftype_ext_capab; i++) { | |
2715 | const struct wiphy_iftype_ext_capab *capab; | |
2716 | ||
2717 | capab = &rdev->wiphy.iftype_ext_capab[i]; | |
2718 | ||
ae0be8de MK |
2719 | nested_ext_capab = nla_nest_start_noflag(msg, |
2720 | i); | |
019ae3a9 KV |
2721 | if (!nested_ext_capab || |
2722 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, | |
2723 | capab->iftype) || | |
2724 | nla_put(msg, NL80211_ATTR_EXT_CAPA, | |
2725 | capab->extended_capabilities_len, | |
2726 | capab->extended_capabilities) || | |
2727 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, | |
2728 | capab->extended_capabilities_len, | |
2729 | capab->extended_capabilities_mask)) | |
2730 | goto nla_put_failure; | |
2731 | ||
2732 | nla_nest_end(msg, nested_ext_capab); | |
2733 | if (state->split) | |
2734 | break; | |
2735 | } | |
2736 | nla_nest_end(msg, nested); | |
2737 | if (i < rdev->wiphy.num_iftype_ext_capab) { | |
2738 | state->capa_start = i + 1; | |
2739 | break; | |
2740 | } | |
2741 | } | |
2742 | ||
8585989d LC |
2743 | if (nla_put_u32(msg, NL80211_ATTR_BANDS, |
2744 | rdev->wiphy.nan_supported_bands)) | |
2745 | goto nla_put_failure; | |
2746 | ||
52539ca8 THJ |
2747 | if (wiphy_ext_feature_isset(&rdev->wiphy, |
2748 | NL80211_EXT_FEATURE_TXQS)) { | |
2749 | struct cfg80211_txq_stats txqstats = {}; | |
2750 | int res; | |
2751 | ||
2752 | res = rdev_get_txq_stats(rdev, NULL, &txqstats); | |
2753 | if (!res && | |
2754 | !nl80211_put_txq_stats(msg, &txqstats, | |
2755 | NL80211_ATTR_TXQ_STATS)) | |
2756 | goto nla_put_failure; | |
2757 | ||
2758 | if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT, | |
2759 | rdev->wiphy.txq_limit)) | |
2760 | goto nla_put_failure; | |
2761 | if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT, | |
2762 | rdev->wiphy.txq_memory_limit)) | |
2763 | goto nla_put_failure; | |
2764 | if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM, | |
2765 | rdev->wiphy.txq_quantum)) | |
2766 | goto nla_put_failure; | |
2767 | } | |
2768 | ||
9bb7e0f2 JB |
2769 | state->split_start++; |
2770 | break; | |
2771 | case 14: | |
2772 | if (nl80211_send_pmsr_capa(rdev, msg)) | |
2773 | goto nla_put_failure; | |
2774 | ||
ab4dfa20 VJ |
2775 | state->split_start++; |
2776 | break; | |
2777 | case 15: | |
2778 | if (rdev->wiphy.akm_suites && | |
2779 | nla_put(msg, NL80211_ATTR_AKM_SUITES, | |
2780 | sizeof(u32) * rdev->wiphy.n_akm_suites, | |
2781 | rdev->wiphy.akm_suites)) | |
2782 | goto nla_put_failure; | |
2783 | ||
d6039a34 VJ |
2784 | if (nl80211_put_iftype_akm_suites(rdev, msg)) |
2785 | goto nla_put_failure; | |
2786 | ||
3710a8a6 JB |
2787 | if (nl80211_put_tid_config_support(rdev, msg)) |
2788 | goto nla_put_failure; | |
6bdb68ce CH |
2789 | state->split_start++; |
2790 | break; | |
2791 | case 16: | |
2792 | if (nl80211_put_sar_specs(rdev, msg)) | |
2793 | goto nla_put_failure; | |
3710a8a6 | 2794 | |
3713b4e3 | 2795 | /* done */ |
86e8cf98 | 2796 | state->split_start = 0; |
3713b4e3 JB |
2797 | break; |
2798 | } | |
3bb20556 | 2799 | finish: |
053c095a JB |
2800 | genlmsg_end(msg, hdr); |
2801 | return 0; | |
55682965 JB |
2802 | |
2803 | nla_put_failure: | |
bc3ed28c TG |
2804 | genlmsg_cancel(msg, hdr); |
2805 | return -EMSGSIZE; | |
55682965 JB |
2806 | } |
2807 | ||
86e8cf98 JB |
2808 | static int nl80211_dump_wiphy_parse(struct sk_buff *skb, |
2809 | struct netlink_callback *cb, | |
2810 | struct nl80211_dump_wiphy_state *state) | |
2811 | { | |
50508d94 JB |
2812 | struct nlattr **tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL); |
2813 | int ret; | |
2814 | ||
2815 | if (!tb) | |
2816 | return -ENOMEM; | |
2817 | ||
2818 | ret = nlmsg_parse_deprecated(cb->nlh, | |
2819 | GENL_HDRLEN + nl80211_fam.hdrsize, | |
2820 | tb, nl80211_fam.maxattr, | |
2821 | nl80211_policy, NULL); | |
86e8cf98 | 2822 | /* ignore parse errors for backward compatibility */ |
50508d94 JB |
2823 | if (ret) { |
2824 | ret = 0; | |
2825 | goto out; | |
2826 | } | |
86e8cf98 JB |
2827 | |
2828 | state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP]; | |
2829 | if (tb[NL80211_ATTR_WIPHY]) | |
2830 | state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
2831 | if (tb[NL80211_ATTR_WDEV]) | |
2832 | state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32; | |
2833 | if (tb[NL80211_ATTR_IFINDEX]) { | |
2834 | struct net_device *netdev; | |
2835 | struct cfg80211_registered_device *rdev; | |
2836 | int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
2837 | ||
7f2b8562 | 2838 | netdev = __dev_get_by_index(sock_net(skb->sk), ifidx); |
50508d94 JB |
2839 | if (!netdev) { |
2840 | ret = -ENODEV; | |
2841 | goto out; | |
2842 | } | |
86e8cf98 | 2843 | if (netdev->ieee80211_ptr) { |
f26cbf40 | 2844 | rdev = wiphy_to_rdev( |
86e8cf98 JB |
2845 | netdev->ieee80211_ptr->wiphy); |
2846 | state->filter_wiphy = rdev->wiphy_idx; | |
2847 | } | |
86e8cf98 JB |
2848 | } |
2849 | ||
50508d94 JB |
2850 | ret = 0; |
2851 | out: | |
2852 | kfree(tb); | |
2853 | return ret; | |
86e8cf98 JB |
2854 | } |
2855 | ||
55682965 JB |
2856 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) |
2857 | { | |
645e77de | 2858 | int idx = 0, ret; |
86e8cf98 | 2859 | struct nl80211_dump_wiphy_state *state = (void *)cb->args[0]; |
1b8ec87a | 2860 | struct cfg80211_registered_device *rdev; |
3a5a423b | 2861 | |
5fe231e8 | 2862 | rtnl_lock(); |
86e8cf98 JB |
2863 | if (!state) { |
2864 | state = kzalloc(sizeof(*state), GFP_KERNEL); | |
57ed5cd6 JL |
2865 | if (!state) { |
2866 | rtnl_unlock(); | |
86e8cf98 | 2867 | return -ENOMEM; |
3713b4e3 | 2868 | } |
86e8cf98 JB |
2869 | state->filter_wiphy = -1; |
2870 | ret = nl80211_dump_wiphy_parse(skb, cb, state); | |
2871 | if (ret) { | |
2872 | kfree(state); | |
2873 | rtnl_unlock(); | |
2874 | return ret; | |
3713b4e3 | 2875 | } |
86e8cf98 | 2876 | cb->args[0] = (long)state; |
3713b4e3 JB |
2877 | } |
2878 | ||
1b8ec87a ZG |
2879 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
2880 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 2881 | continue; |
86e8cf98 | 2882 | if (++idx <= state->start) |
55682965 | 2883 | continue; |
86e8cf98 | 2884 | if (state->filter_wiphy != -1 && |
1b8ec87a | 2885 | state->filter_wiphy != rdev->wiphy_idx) |
3713b4e3 JB |
2886 | continue; |
2887 | /* attempt to fit multiple wiphy data chunks into the skb */ | |
2888 | do { | |
3bb20556 JB |
2889 | ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, |
2890 | skb, | |
3713b4e3 JB |
2891 | NETLINK_CB(cb->skb).portid, |
2892 | cb->nlh->nlmsg_seq, | |
86e8cf98 | 2893 | NLM_F_MULTI, state); |
3713b4e3 JB |
2894 | if (ret < 0) { |
2895 | /* | |
2896 | * If sending the wiphy data didn't fit (ENOBUFS | |
2897 | * or EMSGSIZE returned), this SKB is still | |
2898 | * empty (so it's not too big because another | |
2899 | * wiphy dataset is already in the skb) and | |
2900 | * we've not tried to adjust the dump allocation | |
2901 | * yet ... then adjust the alloc size to be | |
2902 | * bigger, and return 1 but with the empty skb. | |
2903 | * This results in an empty message being RX'ed | |
2904 | * in userspace, but that is ignored. | |
2905 | * | |
2906 | * We can then retry with the larger buffer. | |
2907 | */ | |
2908 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && | |
f12cb289 | 2909 | !skb->len && !state->split && |
3713b4e3 JB |
2910 | cb->min_dump_alloc < 4096) { |
2911 | cb->min_dump_alloc = 4096; | |
f12cb289 | 2912 | state->split_start = 0; |
d98cae64 | 2913 | rtnl_unlock(); |
3713b4e3 JB |
2914 | return 1; |
2915 | } | |
2916 | idx--; | |
2917 | break; | |
645e77de | 2918 | } |
86e8cf98 | 2919 | } while (state->split_start > 0); |
3713b4e3 | 2920 | break; |
55682965 | 2921 | } |
5fe231e8 | 2922 | rtnl_unlock(); |
55682965 | 2923 | |
86e8cf98 | 2924 | state->start = idx; |
55682965 JB |
2925 | |
2926 | return skb->len; | |
2927 | } | |
2928 | ||
86e8cf98 JB |
2929 | static int nl80211_dump_wiphy_done(struct netlink_callback *cb) |
2930 | { | |
2931 | kfree((void *)cb->args[0]); | |
2932 | return 0; | |
2933 | } | |
2934 | ||
55682965 JB |
2935 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) |
2936 | { | |
2937 | struct sk_buff *msg; | |
1b8ec87a | 2938 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
86e8cf98 | 2939 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 2940 | |
645e77de | 2941 | msg = nlmsg_new(4096, GFP_KERNEL); |
55682965 | 2942 | if (!msg) |
4c476991 | 2943 | return -ENOMEM; |
55682965 | 2944 | |
3bb20556 JB |
2945 | if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg, |
2946 | info->snd_portid, info->snd_seq, 0, | |
86e8cf98 | 2947 | &state) < 0) { |
4c476991 JB |
2948 | nlmsg_free(msg); |
2949 | return -ENOBUFS; | |
2950 | } | |
55682965 | 2951 | |
134e6375 | 2952 | return genlmsg_reply(msg, info); |
55682965 JB |
2953 | } |
2954 | ||
31888487 JM |
2955 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
2956 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
2957 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
2958 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
2959 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
2960 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
2961 | }; | |
2962 | ||
2963 | static int parse_txq_params(struct nlattr *tb[], | |
2964 | struct ieee80211_txq_params *txq_params) | |
2965 | { | |
259d8c1e DW |
2966 | u8 ac; |
2967 | ||
a3304b0a | 2968 | if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] || |
31888487 JM |
2969 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || |
2970 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
2971 | return -EINVAL; | |
2972 | ||
259d8c1e | 2973 | ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]); |
31888487 JM |
2974 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); |
2975 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
2976 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
2977 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
2978 | ||
259d8c1e | 2979 | if (ac >= NL80211_NUM_ACS) |
a3304b0a | 2980 | return -EINVAL; |
259d8c1e | 2981 | txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS); |
31888487 JM |
2982 | return 0; |
2983 | } | |
2984 | ||
f444de05 JB |
2985 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
2986 | { | |
2987 | /* | |
e7e0517c JB |
2988 | * You can only set the channel explicitly for some interfaces, |
2989 | * most have their channel managed via their respective | |
cc1d2806 JB |
2990 | * "establish a connection" command (connect, join, ...) |
2991 | * | |
2992 | * For AP/GO and mesh mode, the channel can be set with the | |
2993 | * channel userspace API, but is only stored and passed to the | |
2994 | * low-level driver when the AP starts or the mesh is joined. | |
2995 | * This is for backward compatibility, userspace can also give | |
2996 | * the channel in the start-ap or join-mesh commands instead. | |
f444de05 JB |
2997 | * |
2998 | * Monitors are special as they are normally slaved to | |
e8c9bd5b JB |
2999 | * whatever else is going on, so they have their own special |
3000 | * operation to set the monitor channel if possible. | |
f444de05 JB |
3001 | */ |
3002 | return !wdev || | |
3003 | wdev->iftype == NL80211_IFTYPE_AP || | |
f444de05 | 3004 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || |
074ac8df JB |
3005 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
3006 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
3007 | } |
3008 | ||
9bb7e0f2 JB |
3009 | int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, |
3010 | struct genl_info *info, | |
3011 | struct cfg80211_chan_def *chandef) | |
683b6d3b | 3012 | { |
49f9cf0e JB |
3013 | struct netlink_ext_ack *extack = info->extack; |
3014 | struct nlattr **attrs = info->attrs; | |
dbeca2ea | 3015 | u32 control_freq; |
683b6d3b | 3016 | |
49f9cf0e | 3017 | if (!attrs[NL80211_ATTR_WIPHY_FREQ]) |
683b6d3b JB |
3018 | return -EINVAL; |
3019 | ||
942ba88b TP |
3020 | control_freq = MHZ_TO_KHZ( |
3021 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
3022 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]) | |
3023 | control_freq += | |
3024 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]); | |
683b6d3b | 3025 | |
f43e5210 | 3026 | memset(chandef, 0, sizeof(*chandef)); |
942ba88b | 3027 | chandef->chan = ieee80211_get_channel_khz(&rdev->wiphy, control_freq); |
3d9d1d66 | 3028 | chandef->width = NL80211_CHAN_WIDTH_20_NOHT; |
942ba88b TP |
3029 | chandef->center_freq1 = KHZ_TO_MHZ(control_freq); |
3030 | chandef->freq1_offset = control_freq % 1000; | |
3d9d1d66 | 3031 | chandef->center_freq2 = 0; |
683b6d3b JB |
3032 | |
3033 | /* Primary channel not allowed */ | |
49f9cf0e JB |
3034 | if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) { |
3035 | NL_SET_ERR_MSG_ATTR(extack, attrs[NL80211_ATTR_WIPHY_FREQ], | |
3036 | "Channel is disabled"); | |
683b6d3b | 3037 | return -EINVAL; |
49f9cf0e | 3038 | } |
683b6d3b | 3039 | |
49f9cf0e | 3040 | if (attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
3d9d1d66 JB |
3041 | enum nl80211_channel_type chantype; |
3042 | ||
49f9cf0e | 3043 | chantype = nla_get_u32(attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); |
3d9d1d66 JB |
3044 | |
3045 | switch (chantype) { | |
3046 | case NL80211_CHAN_NO_HT: | |
3047 | case NL80211_CHAN_HT20: | |
3048 | case NL80211_CHAN_HT40PLUS: | |
3049 | case NL80211_CHAN_HT40MINUS: | |
3050 | cfg80211_chandef_create(chandef, chandef->chan, | |
3051 | chantype); | |
ffa4629e | 3052 | /* user input for center_freq is incorrect */ |
49f9cf0e JB |
3053 | if (attrs[NL80211_ATTR_CENTER_FREQ1] && |
3054 | chandef->center_freq1 != nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1])) { | |
3055 | NL_SET_ERR_MSG_ATTR(extack, | |
3056 | attrs[NL80211_ATTR_CENTER_FREQ1], | |
3057 | "bad center frequency 1"); | |
ffa4629e | 3058 | return -EINVAL; |
49f9cf0e | 3059 | } |
ffa4629e | 3060 | /* center_freq2 must be zero */ |
49f9cf0e JB |
3061 | if (attrs[NL80211_ATTR_CENTER_FREQ2] && |
3062 | nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2])) { | |
3063 | NL_SET_ERR_MSG_ATTR(extack, | |
3064 | attrs[NL80211_ATTR_CENTER_FREQ2], | |
3065 | "center frequency 2 can't be used"); | |
ffa4629e | 3066 | return -EINVAL; |
49f9cf0e | 3067 | } |
3d9d1d66 JB |
3068 | break; |
3069 | default: | |
49f9cf0e JB |
3070 | NL_SET_ERR_MSG_ATTR(extack, |
3071 | attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE], | |
3072 | "invalid channel type"); | |
3d9d1d66 JB |
3073 | return -EINVAL; |
3074 | } | |
49f9cf0e | 3075 | } else if (attrs[NL80211_ATTR_CHANNEL_WIDTH]) { |
3d9d1d66 | 3076 | chandef->width = |
49f9cf0e | 3077 | nla_get_u32(attrs[NL80211_ATTR_CHANNEL_WIDTH]); |
942ba88b | 3078 | if (attrs[NL80211_ATTR_CENTER_FREQ1]) { |
3d9d1d66 | 3079 | chandef->center_freq1 = |
49f9cf0e | 3080 | nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ1]); |
942ba88b TP |
3081 | if (attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET]) |
3082 | chandef->freq1_offset = nla_get_u32( | |
3083 | attrs[NL80211_ATTR_CENTER_FREQ1_OFFSET]); | |
3084 | else | |
3085 | chandef->freq1_offset = 0; | |
3086 | } | |
49f9cf0e | 3087 | if (attrs[NL80211_ATTR_CENTER_FREQ2]) |
3d9d1d66 | 3088 | chandef->center_freq2 = |
49f9cf0e | 3089 | nla_get_u32(attrs[NL80211_ATTR_CENTER_FREQ2]); |
3d9d1d66 JB |
3090 | } |
3091 | ||
2a38075c AAL |
3092 | if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) { |
3093 | chandef->edmg.channels = | |
3094 | nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]); | |
3095 | ||
3096 | if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]) | |
3097 | chandef->edmg.bw_config = | |
3098 | nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]); | |
3099 | } else { | |
3100 | chandef->edmg.bw_config = 0; | |
3101 | chandef->edmg.channels = 0; | |
3102 | } | |
3103 | ||
49f9cf0e JB |
3104 | if (!cfg80211_chandef_valid(chandef)) { |
3105 | NL_SET_ERR_MSG(extack, "invalid channel definition"); | |
3d9d1d66 | 3106 | return -EINVAL; |
49f9cf0e | 3107 | } |
3d9d1d66 | 3108 | |
9f5e8f6e | 3109 | if (!cfg80211_chandef_usable(&rdev->wiphy, chandef, |
49f9cf0e JB |
3110 | IEEE80211_CHAN_DISABLED)) { |
3111 | NL_SET_ERR_MSG(extack, "(extension) channel is disabled"); | |
3d9d1d66 | 3112 | return -EINVAL; |
49f9cf0e | 3113 | } |
3d9d1d66 | 3114 | |
2f301ab2 SW |
3115 | if ((chandef->width == NL80211_CHAN_WIDTH_5 || |
3116 | chandef->width == NL80211_CHAN_WIDTH_10) && | |
49f9cf0e JB |
3117 | !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) { |
3118 | NL_SET_ERR_MSG(extack, "5/10 MHz not supported"); | |
2f301ab2 | 3119 | return -EINVAL; |
49f9cf0e | 3120 | } |
2f301ab2 | 3121 | |
683b6d3b JB |
3122 | return 0; |
3123 | } | |
3124 | ||
f444de05 | 3125 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, |
e16821bc | 3126 | struct net_device *dev, |
f444de05 JB |
3127 | struct genl_info *info) |
3128 | { | |
683b6d3b | 3129 | struct cfg80211_chan_def chandef; |
f444de05 | 3130 | int result; |
e8c9bd5b | 3131 | enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; |
e16821bc | 3132 | struct wireless_dev *wdev = NULL; |
e8c9bd5b | 3133 | |
e16821bc JM |
3134 | if (dev) |
3135 | wdev = dev->ieee80211_ptr; | |
f444de05 JB |
3136 | if (!nl80211_can_set_dev_channel(wdev)) |
3137 | return -EOPNOTSUPP; | |
e16821bc JM |
3138 | if (wdev) |
3139 | iftype = wdev->iftype; | |
f444de05 | 3140 | |
683b6d3b JB |
3141 | result = nl80211_parse_chandef(rdev, info, &chandef); |
3142 | if (result) | |
3143 | return result; | |
f444de05 | 3144 | |
e8c9bd5b | 3145 | switch (iftype) { |
aa430da4 JB |
3146 | case NL80211_IFTYPE_AP: |
3147 | case NL80211_IFTYPE_P2P_GO: | |
923b352f AN |
3148 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, |
3149 | iftype)) { | |
aa430da4 JB |
3150 | result = -EINVAL; |
3151 | break; | |
3152 | } | |
e16821bc JM |
3153 | if (wdev->beacon_interval) { |
3154 | if (!dev || !rdev->ops->set_ap_chanwidth || | |
3155 | !(rdev->wiphy.features & | |
3156 | NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) { | |
3157 | result = -EBUSY; | |
3158 | break; | |
3159 | } | |
3160 | ||
3161 | /* Only allow dynamic channel width changes */ | |
3162 | if (chandef.chan != wdev->preset_chandef.chan) { | |
3163 | result = -EBUSY; | |
3164 | break; | |
3165 | } | |
3166 | result = rdev_set_ap_chanwidth(rdev, dev, &chandef); | |
3167 | if (result) | |
3168 | break; | |
3169 | } | |
683b6d3b | 3170 | wdev->preset_chandef = chandef; |
aa430da4 JB |
3171 | result = 0; |
3172 | break; | |
cc1d2806 | 3173 | case NL80211_IFTYPE_MESH_POINT: |
683b6d3b | 3174 | result = cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
cc1d2806 | 3175 | break; |
e8c9bd5b | 3176 | case NL80211_IFTYPE_MONITOR: |
683b6d3b | 3177 | result = cfg80211_set_monitor_channel(rdev, &chandef); |
e8c9bd5b | 3178 | break; |
aa430da4 | 3179 | default: |
e8c9bd5b | 3180 | result = -EINVAL; |
f444de05 | 3181 | } |
f444de05 JB |
3182 | |
3183 | return result; | |
3184 | } | |
3185 | ||
3186 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
3187 | { | |
4c476991 JB |
3188 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
3189 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 3190 | |
e16821bc | 3191 | return __nl80211_set_channel(rdev, netdev, info); |
f444de05 JB |
3192 | } |
3193 | ||
55682965 JB |
3194 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
3195 | { | |
a05829a7 | 3196 | struct cfg80211_registered_device *rdev = NULL; |
f444de05 JB |
3197 | struct net_device *netdev = NULL; |
3198 | struct wireless_dev *wdev; | |
a1e567c8 | 3199 | int result = 0, rem_txq_params = 0; |
31888487 | 3200 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
3201 | u32 changed; |
3202 | u8 retry_short = 0, retry_long = 0; | |
3203 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 3204 | u8 coverage_class = 0; |
52539ca8 | 3205 | u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0; |
55682965 | 3206 | |
a05829a7 | 3207 | rtnl_lock(); |
f444de05 JB |
3208 | /* |
3209 | * Try to find the wiphy and netdev. Normally this | |
3210 | * function shouldn't need the netdev, but this is | |
3211 | * done for backward compatibility -- previously | |
3212 | * setting the channel was done per wiphy, but now | |
3213 | * it is per netdev. Previous userland like hostapd | |
3214 | * also passed a netdev to set_wiphy, so that it is | |
3215 | * possible to let that go to the right netdev! | |
3216 | */ | |
4bbf4d56 | 3217 | |
f444de05 JB |
3218 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
3219 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
3220 | ||
7f2b8562 | 3221 | netdev = __dev_get_by_index(genl_info_net(info), ifindex); |
5fe231e8 | 3222 | if (netdev && netdev->ieee80211_ptr) |
f26cbf40 | 3223 | rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy); |
5fe231e8 | 3224 | else |
f444de05 | 3225 | netdev = NULL; |
4bbf4d56 JB |
3226 | } |
3227 | ||
f444de05 | 3228 | if (!netdev) { |
878d9ec7 JB |
3229 | rdev = __cfg80211_rdev_from_attrs(genl_info_net(info), |
3230 | info->attrs); | |
a05829a7 JB |
3231 | if (IS_ERR(rdev)) { |
3232 | rtnl_unlock(); | |
4c476991 | 3233 | return PTR_ERR(rdev); |
a05829a7 | 3234 | } |
f444de05 JB |
3235 | wdev = NULL; |
3236 | netdev = NULL; | |
3237 | result = 0; | |
71fe96bf | 3238 | } else |
f444de05 | 3239 | wdev = netdev->ieee80211_ptr; |
f444de05 | 3240 | |
a05829a7 | 3241 | wiphy_lock(&rdev->wiphy); |
a05829a7 | 3242 | |
f444de05 JB |
3243 | /* |
3244 | * end workaround code, by now the rdev is available | |
3245 | * and locked, and wdev may or may not be NULL. | |
3246 | */ | |
4bbf4d56 JB |
3247 | |
3248 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
3249 | result = cfg80211_dev_rename( |
3250 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
0391a45c | 3251 | rtnl_unlock(); |
4bbf4d56 | 3252 | |
4bbf4d56 | 3253 | if (result) |
a05829a7 | 3254 | goto out; |
31888487 JM |
3255 | |
3256 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
3257 | struct ieee80211_txq_params txq_params; | |
3258 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
3259 | ||
a05829a7 JB |
3260 | if (!rdev->ops->set_txq_params) { |
3261 | result = -EOPNOTSUPP; | |
3262 | goto out; | |
3263 | } | |
31888487 | 3264 | |
a05829a7 JB |
3265 | if (!netdev) { |
3266 | result = -EINVAL; | |
3267 | goto out; | |
3268 | } | |
f70f01c2 | 3269 | |
133a3ff2 | 3270 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
a05829a7 JB |
3271 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { |
3272 | result = -EINVAL; | |
3273 | goto out; | |
3274 | } | |
133a3ff2 | 3275 | |
a05829a7 JB |
3276 | if (!netif_running(netdev)) { |
3277 | result = -ENETDOWN; | |
3278 | goto out; | |
3279 | } | |
2b5f8b0b | 3280 | |
31888487 JM |
3281 | nla_for_each_nested(nl_txq_params, |
3282 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
3283 | rem_txq_params) { | |
8cb08174 JB |
3284 | result = nla_parse_nested_deprecated(tb, |
3285 | NL80211_TXQ_ATTR_MAX, | |
3286 | nl_txq_params, | |
3287 | txq_params_policy, | |
3288 | info->extack); | |
ae811e21 | 3289 | if (result) |
a05829a7 | 3290 | goto out; |
31888487 JM |
3291 | result = parse_txq_params(tb, &txq_params); |
3292 | if (result) | |
a05829a7 | 3293 | goto out; |
31888487 | 3294 | |
e35e4d28 HG |
3295 | result = rdev_set_txq_params(rdev, netdev, |
3296 | &txq_params); | |
31888487 | 3297 | if (result) |
a05829a7 | 3298 | goto out; |
31888487 JM |
3299 | } |
3300 | } | |
55682965 | 3301 | |
72bdcf34 | 3302 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
e16821bc JM |
3303 | result = __nl80211_set_channel( |
3304 | rdev, | |
3305 | nl80211_can_set_dev_channel(wdev) ? netdev : NULL, | |
3306 | info); | |
72bdcf34 | 3307 | if (result) |
a05829a7 | 3308 | goto out; |
72bdcf34 JM |
3309 | } |
3310 | ||
98d2ff8b | 3311 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
c8442118 | 3312 | struct wireless_dev *txp_wdev = wdev; |
98d2ff8b JO |
3313 | enum nl80211_tx_power_setting type; |
3314 | int idx, mbm = 0; | |
3315 | ||
c8442118 JB |
3316 | if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER)) |
3317 | txp_wdev = NULL; | |
3318 | ||
a05829a7 JB |
3319 | if (!rdev->ops->set_tx_power) { |
3320 | result = -EOPNOTSUPP; | |
3321 | goto out; | |
3322 | } | |
98d2ff8b JO |
3323 | |
3324 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
3325 | type = nla_get_u32(info->attrs[idx]); | |
3326 | ||
3327 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
a05829a7 JB |
3328 | (type != NL80211_TX_POWER_AUTOMATIC)) { |
3329 | result = -EINVAL; | |
3330 | goto out; | |
3331 | } | |
98d2ff8b JO |
3332 | |
3333 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
3334 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
3335 | mbm = nla_get_u32(info->attrs[idx]); | |
3336 | } | |
3337 | ||
c8442118 | 3338 | result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); |
98d2ff8b | 3339 | if (result) |
a05829a7 | 3340 | goto out; |
98d2ff8b JO |
3341 | } |
3342 | ||
afe0cbf8 BR |
3343 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
3344 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
3345 | u32 tx_ant, rx_ant; | |
7a087e74 | 3346 | |
7f531e03 BR |
3347 | if ((!rdev->wiphy.available_antennas_tx && |
3348 | !rdev->wiphy.available_antennas_rx) || | |
a05829a7 JB |
3349 | !rdev->ops->set_antenna) { |
3350 | result = -EOPNOTSUPP; | |
3351 | goto out; | |
3352 | } | |
afe0cbf8 BR |
3353 | |
3354 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
3355 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
3356 | ||
a7ffac95 | 3357 | /* reject antenna configurations which don't match the |
7f531e03 BR |
3358 | * available antenna masks, except for the "all" mask */ |
3359 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
a05829a7 JB |
3360 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) { |
3361 | result = -EINVAL; | |
3362 | goto out; | |
3363 | } | |
a7ffac95 | 3364 | |
7f531e03 BR |
3365 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
3366 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 3367 | |
e35e4d28 | 3368 | result = rdev_set_antenna(rdev, tx_ant, rx_ant); |
afe0cbf8 | 3369 | if (result) |
a05829a7 | 3370 | goto out; |
afe0cbf8 BR |
3371 | } |
3372 | ||
b9a5f8ca JM |
3373 | changed = 0; |
3374 | ||
3375 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
3376 | retry_short = nla_get_u8( | |
3377 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
7f2b8562 | 3378 | |
b9a5f8ca JM |
3379 | changed |= WIPHY_PARAM_RETRY_SHORT; |
3380 | } | |
3381 | ||
3382 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
3383 | retry_long = nla_get_u8( | |
3384 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
7f2b8562 | 3385 | |
b9a5f8ca JM |
3386 | changed |= WIPHY_PARAM_RETRY_LONG; |
3387 | } | |
3388 | ||
3389 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
3390 | frag_threshold = nla_get_u32( | |
3391 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
a05829a7 JB |
3392 | if (frag_threshold < 256) { |
3393 | result = -EINVAL; | |
3394 | goto out; | |
3395 | } | |
7f2b8562 | 3396 | |
b9a5f8ca JM |
3397 | if (frag_threshold != (u32) -1) { |
3398 | /* | |
3399 | * Fragments (apart from the last one) are required to | |
3400 | * have even length. Make the fragmentation code | |
3401 | * simpler by stripping LSB should someone try to use | |
3402 | * odd threshold value. | |
3403 | */ | |
3404 | frag_threshold &= ~0x1; | |
3405 | } | |
3406 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
3407 | } | |
3408 | ||
3409 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
3410 | rts_threshold = nla_get_u32( | |
3411 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
3412 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
3413 | } | |
3414 | ||
81077e82 | 3415 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
a05829a7 JB |
3416 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) { |
3417 | result = -EINVAL; | |
3418 | goto out; | |
3419 | } | |
3057dbfd | 3420 | |
81077e82 LT |
3421 | coverage_class = nla_get_u8( |
3422 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
3423 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
3424 | } | |
3425 | ||
3057dbfd | 3426 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) { |
a05829a7 JB |
3427 | if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) { |
3428 | result = -EOPNOTSUPP; | |
3429 | goto out; | |
3430 | } | |
3057dbfd LB |
3431 | |
3432 | changed |= WIPHY_PARAM_DYN_ACK; | |
81077e82 LT |
3433 | } |
3434 | ||
52539ca8 THJ |
3435 | if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) { |
3436 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
a05829a7 JB |
3437 | NL80211_EXT_FEATURE_TXQS)) { |
3438 | result = -EOPNOTSUPP; | |
3439 | goto out; | |
3440 | } | |
52539ca8 THJ |
3441 | txq_limit = nla_get_u32( |
3442 | info->attrs[NL80211_ATTR_TXQ_LIMIT]); | |
3443 | changed |= WIPHY_PARAM_TXQ_LIMIT; | |
3444 | } | |
3445 | ||
3446 | if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) { | |
3447 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
a05829a7 JB |
3448 | NL80211_EXT_FEATURE_TXQS)) { |
3449 | result = -EOPNOTSUPP; | |
3450 | goto out; | |
3451 | } | |
52539ca8 THJ |
3452 | txq_memory_limit = nla_get_u32( |
3453 | info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]); | |
3454 | changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT; | |
3455 | } | |
3456 | ||
3457 | if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) { | |
3458 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
a05829a7 JB |
3459 | NL80211_EXT_FEATURE_TXQS)) { |
3460 | result = -EOPNOTSUPP; | |
3461 | goto out; | |
3462 | } | |
52539ca8 THJ |
3463 | txq_quantum = nla_get_u32( |
3464 | info->attrs[NL80211_ATTR_TXQ_QUANTUM]); | |
3465 | changed |= WIPHY_PARAM_TXQ_QUANTUM; | |
3466 | } | |
3467 | ||
b9a5f8ca JM |
3468 | if (changed) { |
3469 | u8 old_retry_short, old_retry_long; | |
3470 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 3471 | u8 old_coverage_class; |
52539ca8 | 3472 | u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum; |
b9a5f8ca | 3473 | |
a05829a7 JB |
3474 | if (!rdev->ops->set_wiphy_params) { |
3475 | result = -EOPNOTSUPP; | |
3476 | goto out; | |
3477 | } | |
b9a5f8ca JM |
3478 | |
3479 | old_retry_short = rdev->wiphy.retry_short; | |
3480 | old_retry_long = rdev->wiphy.retry_long; | |
3481 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
3482 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 3483 | old_coverage_class = rdev->wiphy.coverage_class; |
52539ca8 THJ |
3484 | old_txq_limit = rdev->wiphy.txq_limit; |
3485 | old_txq_memory_limit = rdev->wiphy.txq_memory_limit; | |
3486 | old_txq_quantum = rdev->wiphy.txq_quantum; | |
b9a5f8ca JM |
3487 | |
3488 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
3489 | rdev->wiphy.retry_short = retry_short; | |
3490 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
3491 | rdev->wiphy.retry_long = retry_long; | |
3492 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
3493 | rdev->wiphy.frag_threshold = frag_threshold; | |
3494 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
3495 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
3496 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
3497 | rdev->wiphy.coverage_class = coverage_class; | |
52539ca8 THJ |
3498 | if (changed & WIPHY_PARAM_TXQ_LIMIT) |
3499 | rdev->wiphy.txq_limit = txq_limit; | |
3500 | if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT) | |
3501 | rdev->wiphy.txq_memory_limit = txq_memory_limit; | |
3502 | if (changed & WIPHY_PARAM_TXQ_QUANTUM) | |
3503 | rdev->wiphy.txq_quantum = txq_quantum; | |
b9a5f8ca | 3504 | |
e35e4d28 | 3505 | result = rdev_set_wiphy_params(rdev, changed); |
b9a5f8ca JM |
3506 | if (result) { |
3507 | rdev->wiphy.retry_short = old_retry_short; | |
3508 | rdev->wiphy.retry_long = old_retry_long; | |
3509 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
3510 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 3511 | rdev->wiphy.coverage_class = old_coverage_class; |
52539ca8 THJ |
3512 | rdev->wiphy.txq_limit = old_txq_limit; |
3513 | rdev->wiphy.txq_memory_limit = old_txq_memory_limit; | |
3514 | rdev->wiphy.txq_quantum = old_txq_quantum; | |
a05829a7 | 3515 | goto out; |
b9a5f8ca JM |
3516 | } |
3517 | } | |
a05829a7 JB |
3518 | |
3519 | result = 0; | |
3520 | ||
3521 | out: | |
3522 | wiphy_unlock(&rdev->wiphy); | |
3523 | return result; | |
55682965 JB |
3524 | } |
3525 | ||
683b6d3b | 3526 | static int nl80211_send_chandef(struct sk_buff *msg, |
d2859df5 | 3527 | const struct cfg80211_chan_def *chandef) |
683b6d3b | 3528 | { |
601555cd JB |
3529 | if (WARN_ON(!cfg80211_chandef_valid(chandef))) |
3530 | return -EINVAL; | |
3d9d1d66 | 3531 | |
683b6d3b JB |
3532 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
3533 | chandef->chan->center_freq)) | |
3534 | return -ENOBUFS; | |
942ba88b TP |
3535 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET, |
3536 | chandef->chan->freq_offset)) | |
3537 | return -ENOBUFS; | |
3d9d1d66 JB |
3538 | switch (chandef->width) { |
3539 | case NL80211_CHAN_WIDTH_20_NOHT: | |
3540 | case NL80211_CHAN_WIDTH_20: | |
3541 | case NL80211_CHAN_WIDTH_40: | |
3542 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
3543 | cfg80211_get_chandef_type(chandef))) | |
3544 | return -ENOBUFS; | |
3545 | break; | |
3546 | default: | |
3547 | break; | |
3548 | } | |
3549 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width)) | |
3550 | return -ENOBUFS; | |
3551 | if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1)) | |
3552 | return -ENOBUFS; | |
3553 | if (chandef->center_freq2 && | |
3554 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2)) | |
683b6d3b JB |
3555 | return -ENOBUFS; |
3556 | return 0; | |
3557 | } | |
3558 | ||
15e47304 | 3559 | static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
d726405a | 3560 | struct cfg80211_registered_device *rdev, |
3d1a5bbf AZ |
3561 | struct wireless_dev *wdev, |
3562 | enum nl80211_commands cmd) | |
55682965 | 3563 | { |
72fb2abc | 3564 | struct net_device *dev = wdev->netdev; |
55682965 JB |
3565 | void *hdr; |
3566 | ||
3d1a5bbf AZ |
3567 | WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE && |
3568 | cmd != NL80211_CMD_DEL_INTERFACE && | |
3569 | cmd != NL80211_CMD_SET_INTERFACE); | |
8f894be2 TB |
3570 | |
3571 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); | |
55682965 JB |
3572 | if (!hdr) |
3573 | return -1; | |
3574 | ||
72fb2abc JB |
3575 | if (dev && |
3576 | (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
98104fde | 3577 | nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) |
72fb2abc JB |
3578 | goto nla_put_failure; |
3579 | ||
3580 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
3581 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || | |
2dad624e ND |
3582 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
3583 | NL80211_ATTR_PAD) || | |
98104fde | 3584 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || |
9360ffd1 DM |
3585 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
3586 | rdev->devlist_generation ^ | |
446faa15 AQ |
3587 | (cfg80211_rdev_list_generation << 2)) || |
3588 | nla_put_u8(msg, NL80211_ATTR_4ADDR, wdev->use_4addr)) | |
9360ffd1 | 3589 | goto nla_put_failure; |
f5ea9120 | 3590 | |
5b7ccaf3 | 3591 | if (rdev->ops->get_channel) { |
683b6d3b | 3592 | int ret; |
f43e5210 | 3593 | struct cfg80211_chan_def chandef = {}; |
683b6d3b JB |
3594 | |
3595 | ret = rdev_get_channel(rdev, wdev, &chandef); | |
3596 | if (ret == 0) { | |
3597 | if (nl80211_send_chandef(msg, &chandef)) | |
3598 | goto nla_put_failure; | |
3599 | } | |
d91df0e3 PF |
3600 | } |
3601 | ||
d55d0d59 RM |
3602 | if (rdev->ops->get_tx_power) { |
3603 | int dbm, ret; | |
3604 | ||
3605 | ret = rdev_get_tx_power(rdev, wdev, &dbm); | |
3606 | if (ret == 0 && | |
3607 | nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL, | |
3608 | DBM_TO_MBM(dbm))) | |
3609 | goto nla_put_failure; | |
3610 | } | |
3611 | ||
44905265 JB |
3612 | wdev_lock(wdev); |
3613 | switch (wdev->iftype) { | |
3614 | case NL80211_IFTYPE_AP: | |
3615 | if (wdev->ssid_len && | |
3616 | nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid)) | |
4564b187 | 3617 | goto nla_put_failure_locked; |
44905265 JB |
3618 | break; |
3619 | case NL80211_IFTYPE_STATION: | |
3620 | case NL80211_IFTYPE_P2P_CLIENT: | |
3621 | case NL80211_IFTYPE_ADHOC: { | |
3622 | const u8 *ssid_ie; | |
3623 | if (!wdev->current_bss) | |
3624 | break; | |
7a94b8c2 | 3625 | rcu_read_lock(); |
44905265 JB |
3626 | ssid_ie = ieee80211_bss_get_ie(&wdev->current_bss->pub, |
3627 | WLAN_EID_SSID); | |
7a94b8c2 DB |
3628 | if (ssid_ie && |
3629 | nla_put(msg, NL80211_ATTR_SSID, ssid_ie[1], ssid_ie + 2)) | |
3630 | goto nla_put_failure_rcu_locked; | |
3631 | rcu_read_unlock(); | |
44905265 JB |
3632 | break; |
3633 | } | |
3634 | default: | |
3635 | /* nothing */ | |
3636 | break; | |
b84e7a05 | 3637 | } |
44905265 | 3638 | wdev_unlock(wdev); |
b84e7a05 | 3639 | |
52539ca8 THJ |
3640 | if (rdev->ops->get_txq_stats) { |
3641 | struct cfg80211_txq_stats txqstats = {}; | |
3642 | int ret = rdev_get_txq_stats(rdev, wdev, &txqstats); | |
3643 | ||
3644 | if (ret == 0 && | |
3645 | !nl80211_put_txq_stats(msg, &txqstats, | |
3646 | NL80211_ATTR_TXQ_STATS)) | |
3647 | goto nla_put_failure; | |
3648 | } | |
3649 | ||
053c095a JB |
3650 | genlmsg_end(msg, hdr); |
3651 | return 0; | |
55682965 | 3652 | |
7a94b8c2 DB |
3653 | nla_put_failure_rcu_locked: |
3654 | rcu_read_unlock(); | |
4564b187 JB |
3655 | nla_put_failure_locked: |
3656 | wdev_unlock(wdev); | |
55682965 | 3657 | nla_put_failure: |
bc3ed28c TG |
3658 | genlmsg_cancel(msg, hdr); |
3659 | return -EMSGSIZE; | |
55682965 JB |
3660 | } |
3661 | ||
3662 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
3663 | { | |
3664 | int wp_idx = 0; | |
3665 | int if_idx = 0; | |
3666 | int wp_start = cb->args[0]; | |
3667 | int if_start = cb->args[1]; | |
b7fb44da | 3668 | int filter_wiphy = -1; |
f5ea9120 | 3669 | struct cfg80211_registered_device *rdev; |
55682965 | 3670 | struct wireless_dev *wdev; |
ea90e0dc | 3671 | int ret; |
55682965 | 3672 | |
5fe231e8 | 3673 | rtnl_lock(); |
b7fb44da DK |
3674 | if (!cb->args[2]) { |
3675 | struct nl80211_dump_wiphy_state state = { | |
3676 | .filter_wiphy = -1, | |
3677 | }; | |
b7fb44da DK |
3678 | |
3679 | ret = nl80211_dump_wiphy_parse(skb, cb, &state); | |
3680 | if (ret) | |
ea90e0dc | 3681 | goto out_unlock; |
b7fb44da DK |
3682 | |
3683 | filter_wiphy = state.filter_wiphy; | |
3684 | ||
3685 | /* | |
3686 | * if filtering, set cb->args[2] to +1 since 0 is the default | |
3687 | * value needed to determine that parsing is necessary. | |
3688 | */ | |
3689 | if (filter_wiphy >= 0) | |
3690 | cb->args[2] = filter_wiphy + 1; | |
3691 | else | |
3692 | cb->args[2] = -1; | |
3693 | } else if (cb->args[2] > 0) { | |
3694 | filter_wiphy = cb->args[2] - 1; | |
3695 | } | |
3696 | ||
f5ea9120 JB |
3697 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
3698 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 3699 | continue; |
bba95fef JB |
3700 | if (wp_idx < wp_start) { |
3701 | wp_idx++; | |
55682965 | 3702 | continue; |
bba95fef | 3703 | } |
b7fb44da DK |
3704 | |
3705 | if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx) | |
3706 | continue; | |
3707 | ||
55682965 JB |
3708 | if_idx = 0; |
3709 | ||
53873f13 | 3710 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
bba95fef JB |
3711 | if (if_idx < if_start) { |
3712 | if_idx++; | |
55682965 | 3713 | continue; |
bba95fef | 3714 | } |
15e47304 | 3715 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 3716 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
3d1a5bbf AZ |
3717 | rdev, wdev, |
3718 | NL80211_CMD_NEW_INTERFACE) < 0) { | |
bba95fef JB |
3719 | goto out; |
3720 | } | |
3721 | if_idx++; | |
55682965 | 3722 | } |
bba95fef JB |
3723 | |
3724 | wp_idx++; | |
55682965 | 3725 | } |
bba95fef | 3726 | out: |
55682965 JB |
3727 | cb->args[0] = wp_idx; |
3728 | cb->args[1] = if_idx; | |
3729 | ||
ea90e0dc JB |
3730 | ret = skb->len; |
3731 | out_unlock: | |
3732 | rtnl_unlock(); | |
3733 | ||
3734 | return ret; | |
55682965 JB |
3735 | } |
3736 | ||
3737 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
3738 | { | |
3739 | struct sk_buff *msg; | |
1b8ec87a | 3740 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
72fb2abc | 3741 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 3742 | |
fd2120ca | 3743 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 3744 | if (!msg) |
4c476991 | 3745 | return -ENOMEM; |
55682965 | 3746 | |
15e47304 | 3747 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
3d1a5bbf | 3748 | rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) { |
4c476991 JB |
3749 | nlmsg_free(msg); |
3750 | return -ENOBUFS; | |
3751 | } | |
55682965 | 3752 | |
134e6375 | 3753 | return genlmsg_reply(msg, info); |
55682965 JB |
3754 | } |
3755 | ||
66f7ac50 MW |
3756 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
3757 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
3758 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
3759 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
3760 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
3761 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
e057d3c3 | 3762 | [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG }, |
66f7ac50 MW |
3763 | }; |
3764 | ||
3765 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
3766 | { | |
3767 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
3768 | int flag; | |
3769 | ||
3770 | *mntrflags = 0; | |
3771 | ||
3772 | if (!nla) | |
3773 | return -EINVAL; | |
3774 | ||
8cb08174 | 3775 | if (nla_parse_nested_deprecated(flags, NL80211_MNTR_FLAG_MAX, nla, mntr_flags_policy, NULL)) |
66f7ac50 MW |
3776 | return -EINVAL; |
3777 | ||
3778 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
3779 | if (flags[flag]) | |
3780 | *mntrflags |= (1<<flag); | |
3781 | ||
818a986e JB |
3782 | *mntrflags |= MONITOR_FLAG_CHANGED; |
3783 | ||
66f7ac50 MW |
3784 | return 0; |
3785 | } | |
3786 | ||
1db77596 JB |
3787 | static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev, |
3788 | enum nl80211_iftype type, | |
3789 | struct genl_info *info, | |
3790 | struct vif_params *params) | |
3791 | { | |
3792 | bool change = false; | |
3793 | int err; | |
3794 | ||
3795 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { | |
3796 | if (type != NL80211_IFTYPE_MONITOR) | |
3797 | return -EINVAL; | |
3798 | ||
3799 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], | |
3800 | ¶ms->flags); | |
3801 | if (err) | |
3802 | return err; | |
3803 | ||
3804 | change = true; | |
3805 | } | |
3806 | ||
3807 | if (params->flags & MONITOR_FLAG_ACTIVE && | |
3808 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) | |
3809 | return -EOPNOTSUPP; | |
3810 | ||
3811 | if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) { | |
3812 | const u8 *mumimo_groups; | |
3813 | u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER; | |
3814 | ||
3815 | if (type != NL80211_IFTYPE_MONITOR) | |
3816 | return -EINVAL; | |
3817 | ||
3818 | if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag)) | |
3819 | return -EOPNOTSUPP; | |
3820 | ||
3821 | mumimo_groups = | |
3822 | nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]); | |
3823 | ||
3824 | /* bits 0 and 63 are reserved and must be zero */ | |
4954601f JB |
3825 | if ((mumimo_groups[0] & BIT(0)) || |
3826 | (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7))) | |
1db77596 JB |
3827 | return -EINVAL; |
3828 | ||
3829 | params->vht_mumimo_groups = mumimo_groups; | |
3830 | change = true; | |
3831 | } | |
3832 | ||
3833 | if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) { | |
3834 | u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER; | |
3835 | ||
3836 | if (type != NL80211_IFTYPE_MONITOR) | |
3837 | return -EINVAL; | |
3838 | ||
3839 | if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag)) | |
3840 | return -EOPNOTSUPP; | |
3841 | ||
3842 | params->vht_mumimo_follow_addr = | |
3843 | nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]); | |
3844 | change = true; | |
3845 | } | |
3846 | ||
3847 | return change ? 1 : 0; | |
3848 | } | |
3849 | ||
9bc383de | 3850 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
3851 | struct net_device *netdev, u8 use_4addr, |
3852 | enum nl80211_iftype iftype) | |
9bc383de | 3853 | { |
ad4bb6f8 | 3854 | if (!use_4addr) { |
2e92a2d0 | 3855 | if (netdev && netif_is_bridge_port(netdev)) |
ad4bb6f8 | 3856 | return -EBUSY; |
9bc383de | 3857 | return 0; |
ad4bb6f8 | 3858 | } |
9bc383de JB |
3859 | |
3860 | switch (iftype) { | |
3861 | case NL80211_IFTYPE_AP_VLAN: | |
3862 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
3863 | return 0; | |
3864 | break; | |
3865 | case NL80211_IFTYPE_STATION: | |
3866 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
3867 | return 0; | |
3868 | break; | |
3869 | default: | |
3870 | break; | |
3871 | } | |
3872 | ||
3873 | return -EOPNOTSUPP; | |
3874 | } | |
3875 | ||
55682965 JB |
3876 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
3877 | { | |
4c476991 | 3878 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 3879 | struct vif_params params; |
e36d56b6 | 3880 | int err; |
04a773ad | 3881 | enum nl80211_iftype otype, ntype; |
4c476991 | 3882 | struct net_device *dev = info->user_ptr[1]; |
ac7f9cfa | 3883 | bool change = false; |
55682965 | 3884 | |
2ec600d6 LCC |
3885 | memset(¶ms, 0, sizeof(params)); |
3886 | ||
04a773ad | 3887 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 3888 | |
723b038d | 3889 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 3890 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 3891 | if (otype != ntype) |
ac7f9cfa | 3892 | change = true; |
723b038d JB |
3893 | } |
3894 | ||
92ffe055 | 3895 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
3896 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
3897 | ||
4c476991 JB |
3898 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
3899 | return -EINVAL; | |
29cbe68c JB |
3900 | if (netif_running(dev)) |
3901 | return -EBUSY; | |
3902 | ||
3903 | wdev_lock(wdev); | |
3904 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
3905 | IEEE80211_MAX_MESH_ID_LEN); | |
3906 | wdev->mesh_id_up_len = | |
3907 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
3908 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
3909 | wdev->mesh_id_up_len); | |
3910 | wdev_unlock(wdev); | |
2ec600d6 LCC |
3911 | } |
3912 | ||
8b787643 FF |
3913 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
3914 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
3915 | change = true; | |
ad4bb6f8 | 3916 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 3917 | if (err) |
4c476991 | 3918 | return err; |
8b787643 FF |
3919 | } else { |
3920 | params.use_4addr = -1; | |
3921 | } | |
3922 | ||
1db77596 JB |
3923 | err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms); |
3924 | if (err < 0) | |
3925 | return err; | |
3926 | if (err > 0) | |
c6e6a0c8 | 3927 | change = true; |
e057d3c3 | 3928 | |
ac7f9cfa | 3929 | if (change) |
818a986e | 3930 | err = cfg80211_change_iface(rdev, dev, ntype, ¶ms); |
ac7f9cfa JB |
3931 | else |
3932 | err = 0; | |
60719ffd | 3933 | |
9bc383de JB |
3934 | if (!err && params.use_4addr != -1) |
3935 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
3936 | ||
3d1a5bbf AZ |
3937 | if (change && !err) { |
3938 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3939 | ||
3940 | nl80211_notify_iface(rdev, wdev, NL80211_CMD_SET_INTERFACE); | |
3941 | } | |
3942 | ||
55682965 JB |
3943 | return err; |
3944 | } | |
3945 | ||
ea6b2098 | 3946 | static int _nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) |
55682965 | 3947 | { |
4c476991 | 3948 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 3949 | struct vif_params params; |
84efbb84 | 3950 | struct wireless_dev *wdev; |
896ff063 | 3951 | struct sk_buff *msg; |
55682965 JB |
3952 | int err; |
3953 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
3954 | ||
2ec600d6 LCC |
3955 | memset(¶ms, 0, sizeof(params)); |
3956 | ||
55682965 JB |
3957 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
3958 | return -EINVAL; | |
3959 | ||
ab0d76f6 | 3960 | if (info->attrs[NL80211_ATTR_IFTYPE]) |
55682965 | 3961 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
55682965 | 3962 | |
33d915d9 | 3963 | if (!rdev->ops->add_virtual_intf) |
4c476991 | 3964 | return -EOPNOTSUPP; |
55682965 | 3965 | |
cb3b7d87 | 3966 | if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN || |
e8f479b1 BG |
3967 | rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) && |
3968 | info->attrs[NL80211_ATTR_MAC]) { | |
1c18f145 AS |
3969 | nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC], |
3970 | ETH_ALEN); | |
3971 | if (!is_valid_ether_addr(params.macaddr)) | |
3972 | return -EADDRNOTAVAIL; | |
3973 | } | |
3974 | ||
9bc383de | 3975 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 3976 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 3977 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 3978 | if (err) |
4c476991 | 3979 | return err; |
9bc383de | 3980 | } |
8b787643 | 3981 | |
e6f40511 | 3982 | if (!cfg80211_iftype_allowed(&rdev->wiphy, type, params.use_4addr, 0)) |
33d915d9 MP |
3983 | return -EOPNOTSUPP; |
3984 | ||
1db77596 JB |
3985 | err = nl80211_parse_mon_options(rdev, type, info, ¶ms); |
3986 | if (err < 0) | |
3987 | return err; | |
e057d3c3 | 3988 | |
a18c7192 JB |
3989 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
3990 | if (!msg) | |
3991 | return -ENOMEM; | |
3992 | ||
e35e4d28 HG |
3993 | wdev = rdev_add_virtual_intf(rdev, |
3994 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), | |
818a986e | 3995 | NET_NAME_USER, type, ¶ms); |
d687cbb7 RM |
3996 | if (WARN_ON(!wdev)) { |
3997 | nlmsg_free(msg); | |
3998 | return -EPROTO; | |
3999 | } else if (IS_ERR(wdev)) { | |
1c90f9d4 | 4000 | nlmsg_free(msg); |
84efbb84 | 4001 | return PTR_ERR(wdev); |
1c90f9d4 | 4002 | } |
2ec600d6 | 4003 | |
18e5ca65 | 4004 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
78f22b6a JB |
4005 | wdev->owner_nlportid = info->snd_portid; |
4006 | ||
98104fde JB |
4007 | switch (type) { |
4008 | case NL80211_IFTYPE_MESH_POINT: | |
4009 | if (!info->attrs[NL80211_ATTR_MESH_ID]) | |
4010 | break; | |
29cbe68c JB |
4011 | wdev_lock(wdev); |
4012 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
4013 | IEEE80211_MAX_MESH_ID_LEN); | |
4014 | wdev->mesh_id_up_len = | |
4015 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
4016 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
4017 | wdev->mesh_id_up_len); | |
4018 | wdev_unlock(wdev); | |
98104fde | 4019 | break; |
cb3b7d87 | 4020 | case NL80211_IFTYPE_NAN: |
98104fde JB |
4021 | case NL80211_IFTYPE_P2P_DEVICE: |
4022 | /* | |
cb3b7d87 | 4023 | * P2P Device and NAN do not have a netdev, so don't go |
98104fde JB |
4024 | * through the netdev notifier and must be added here |
4025 | */ | |
9bdaf3b9 JB |
4026 | cfg80211_init_wdev(wdev); |
4027 | cfg80211_register_wdev(rdev, wdev); | |
98104fde JB |
4028 | break; |
4029 | default: | |
4030 | break; | |
29cbe68c JB |
4031 | } |
4032 | ||
15e47304 | 4033 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
3d1a5bbf | 4034 | rdev, wdev, NL80211_CMD_NEW_INTERFACE) < 0) { |
1c90f9d4 JB |
4035 | nlmsg_free(msg); |
4036 | return -ENOBUFS; | |
4037 | } | |
4038 | ||
4039 | return genlmsg_reply(msg, info); | |
55682965 JB |
4040 | } |
4041 | ||
ea6b2098 JB |
4042 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) |
4043 | { | |
4044 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4045 | int ret; | |
4046 | ||
4047 | /* to avoid failing a new interface creation due to pending removal */ | |
4048 | cfg80211_destroy_ifaces(rdev); | |
4049 | ||
4050 | wiphy_lock(&rdev->wiphy); | |
4051 | ret = _nl80211_new_interface(skb, info); | |
4052 | wiphy_unlock(&rdev->wiphy); | |
4053 | ||
4054 | return ret; | |
4055 | } | |
4056 | ||
55682965 JB |
4057 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) |
4058 | { | |
4c476991 | 4059 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
84efbb84 | 4060 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 4061 | |
4c476991 JB |
4062 | if (!rdev->ops->del_virtual_intf) |
4063 | return -EOPNOTSUPP; | |
55682965 | 4064 | |
a05829a7 JB |
4065 | /* |
4066 | * We hold RTNL, so this is safe, without RTNL opencount cannot | |
4067 | * reach 0, and thus the rdev cannot be deleted. | |
4068 | * | |
4069 | * We need to do it for the dev_close(), since that will call | |
4070 | * the netdev notifiers, and we need to acquire the mutex there | |
4071 | * but don't know if we get there from here or from some other | |
4072 | * place (e.g. "ip link set ... down"). | |
4073 | */ | |
4074 | mutex_unlock(&rdev->wiphy.mtx); | |
4075 | ||
84efbb84 JB |
4076 | /* |
4077 | * If we remove a wireless device without a netdev then clear | |
4078 | * user_ptr[1] so that nl80211_post_doit won't dereference it | |
4079 | * to check if it needs to do dev_put(). Otherwise it crashes | |
4080 | * since the wdev has been freed, unlike with a netdev where | |
4081 | * we need the dev_put() for the netdev to really be freed. | |
4082 | */ | |
4083 | if (!wdev->netdev) | |
4084 | info->user_ptr[1] = NULL; | |
a05829a7 JB |
4085 | else |
4086 | dev_close(wdev->netdev); | |
4087 | ||
4088 | mutex_lock(&rdev->wiphy.mtx); | |
84efbb84 | 4089 | |
7f8ed01e | 4090 | return rdev_del_virtual_intf(rdev, wdev); |
55682965 JB |
4091 | } |
4092 | ||
1d9d9213 SW |
4093 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
4094 | { | |
4095 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4096 | struct net_device *dev = info->user_ptr[1]; | |
4097 | u16 noack_map; | |
4098 | ||
4099 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
4100 | return -EINVAL; | |
4101 | ||
4102 | if (!rdev->ops->set_noack_map) | |
4103 | return -EOPNOTSUPP; | |
4104 | ||
4105 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
4106 | ||
e35e4d28 | 4107 | return rdev_set_noack_map(rdev, dev, noack_map); |
1d9d9213 SW |
4108 | } |
4109 | ||
41ade00f JB |
4110 | struct get_key_cookie { |
4111 | struct sk_buff *msg; | |
4112 | int error; | |
b9454e83 | 4113 | int idx; |
41ade00f JB |
4114 | }; |
4115 | ||
4116 | static void get_key_callback(void *c, struct key_params *params) | |
4117 | { | |
b9454e83 | 4118 | struct nlattr *key; |
41ade00f JB |
4119 | struct get_key_cookie *cookie = c; |
4120 | ||
9360ffd1 DM |
4121 | if ((params->key && |
4122 | nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, | |
4123 | params->key_len, params->key)) || | |
4124 | (params->seq && | |
4125 | nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
4126 | params->seq_len, params->seq)) || | |
4127 | (params->cipher && | |
4128 | nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
4129 | params->cipher))) | |
4130 | goto nla_put_failure; | |
41ade00f | 4131 | |
ae0be8de | 4132 | key = nla_nest_start_noflag(cookie->msg, NL80211_ATTR_KEY); |
b9454e83 JB |
4133 | if (!key) |
4134 | goto nla_put_failure; | |
4135 | ||
9360ffd1 DM |
4136 | if ((params->key && |
4137 | nla_put(cookie->msg, NL80211_KEY_DATA, | |
4138 | params->key_len, params->key)) || | |
4139 | (params->seq && | |
4140 | nla_put(cookie->msg, NL80211_KEY_SEQ, | |
4141 | params->seq_len, params->seq)) || | |
4142 | (params->cipher && | |
4143 | nla_put_u32(cookie->msg, NL80211_KEY_CIPHER, | |
4144 | params->cipher))) | |
4145 | goto nla_put_failure; | |
b9454e83 | 4146 | |
efdfce72 | 4147 | if (nla_put_u8(cookie->msg, NL80211_KEY_IDX, cookie->idx)) |
9360ffd1 | 4148 | goto nla_put_failure; |
b9454e83 JB |
4149 | |
4150 | nla_nest_end(cookie->msg, key); | |
4151 | ||
41ade00f JB |
4152 | return; |
4153 | nla_put_failure: | |
4154 | cookie->error = 1; | |
4155 | } | |
4156 | ||
4157 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
4158 | { | |
4c476991 | 4159 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 4160 | int err; |
4c476991 | 4161 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 4162 | u8 key_idx = 0; |
e31b8213 JB |
4163 | const u8 *mac_addr = NULL; |
4164 | bool pairwise; | |
41ade00f JB |
4165 | struct get_key_cookie cookie = { |
4166 | .error = 0, | |
4167 | }; | |
4168 | void *hdr; | |
4169 | struct sk_buff *msg; | |
155d7c73 JB |
4170 | bool bigtk_support = false; |
4171 | ||
4172 | if (wiphy_ext_feature_isset(&rdev->wiphy, | |
4173 | NL80211_EXT_FEATURE_BEACON_PROTECTION)) | |
4174 | bigtk_support = true; | |
4175 | ||
4176 | if ((dev->ieee80211_ptr->iftype == NL80211_IFTYPE_STATION || | |
4177 | dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_CLIENT) && | |
4178 | wiphy_ext_feature_isset(&rdev->wiphy, | |
4179 | NL80211_EXT_FEATURE_BEACON_PROTECTION_CLIENT)) | |
4180 | bigtk_support = true; | |
41ade00f | 4181 | |
56be393f | 4182 | if (info->attrs[NL80211_ATTR_KEY_IDX]) { |
41ade00f | 4183 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); |
155d7c73 JB |
4184 | |
4185 | if (key_idx >= 6 && key_idx <= 7 && !bigtk_support) { | |
4186 | GENL_SET_ERR_MSG(info, "BIGTK not supported"); | |
56be393f | 4187 | return -EINVAL; |
155d7c73 | 4188 | } |
56be393f | 4189 | } |
41ade00f | 4190 | |
41ade00f JB |
4191 | if (info->attrs[NL80211_ATTR_MAC]) |
4192 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4193 | ||
e31b8213 JB |
4194 | pairwise = !!mac_addr; |
4195 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
4196 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
7a087e74 | 4197 | |
e31b8213 JB |
4198 | if (kt != NL80211_KEYTYPE_GROUP && |
4199 | kt != NL80211_KEYTYPE_PAIRWISE) | |
4200 | return -EINVAL; | |
4201 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
4202 | } | |
4203 | ||
4c476991 JB |
4204 | if (!rdev->ops->get_key) |
4205 | return -EOPNOTSUPP; | |
41ade00f | 4206 | |
0fa7b391 JB |
4207 | if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) |
4208 | return -ENOENT; | |
4209 | ||
fd2120ca | 4210 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
4211 | if (!msg) |
4212 | return -ENOMEM; | |
41ade00f | 4213 | |
15e47304 | 4214 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
41ade00f | 4215 | NL80211_CMD_NEW_KEY); |
cb35fba3 | 4216 | if (!hdr) |
9fe271af | 4217 | goto nla_put_failure; |
41ade00f JB |
4218 | |
4219 | cookie.msg = msg; | |
b9454e83 | 4220 | cookie.idx = key_idx; |
41ade00f | 4221 | |
9360ffd1 DM |
4222 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4223 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
4224 | goto nla_put_failure; | |
4225 | if (mac_addr && | |
4226 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
4227 | goto nla_put_failure; | |
41ade00f | 4228 | |
e35e4d28 HG |
4229 | err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie, |
4230 | get_key_callback); | |
41ade00f JB |
4231 | |
4232 | if (err) | |
6c95e2a2 | 4233 | goto free_msg; |
41ade00f JB |
4234 | |
4235 | if (cookie.error) | |
4236 | goto nla_put_failure; | |
4237 | ||
4238 | genlmsg_end(msg, hdr); | |
4c476991 | 4239 | return genlmsg_reply(msg, info); |
41ade00f JB |
4240 | |
4241 | nla_put_failure: | |
4242 | err = -ENOBUFS; | |
6c95e2a2 | 4243 | free_msg: |
41ade00f | 4244 | nlmsg_free(msg); |
41ade00f JB |
4245 | return err; |
4246 | } | |
4247 | ||
4248 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
4249 | { | |
4c476991 | 4250 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 4251 | struct key_parse key; |
41ade00f | 4252 | int err; |
4c476991 | 4253 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 4254 | |
b9454e83 JB |
4255 | err = nl80211_parse_key(info, &key); |
4256 | if (err) | |
4257 | return err; | |
41ade00f | 4258 | |
b9454e83 | 4259 | if (key.idx < 0) |
41ade00f JB |
4260 | return -EINVAL; |
4261 | ||
6cdd3979 AW |
4262 | /* Only support setting default key and |
4263 | * Extended Key ID action NL80211_KEY_SET_TX. | |
4264 | */ | |
56be393f | 4265 | if (!key.def && !key.defmgmt && !key.defbeacon && |
6cdd3979 | 4266 | !(key.p.mode == NL80211_KEY_SET_TX)) |
41ade00f JB |
4267 | return -EINVAL; |
4268 | ||
dbd2fd65 | 4269 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 4270 | |
dbd2fd65 JB |
4271 | if (key.def) { |
4272 | if (!rdev->ops->set_default_key) { | |
4273 | err = -EOPNOTSUPP; | |
4274 | goto out; | |
4275 | } | |
41ade00f | 4276 | |
dbd2fd65 JB |
4277 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
4278 | if (err) | |
4279 | goto out; | |
4280 | ||
e35e4d28 | 4281 | err = rdev_set_default_key(rdev, dev, key.idx, |
dbd2fd65 JB |
4282 | key.def_uni, key.def_multi); |
4283 | ||
4284 | if (err) | |
4285 | goto out; | |
fffd0934 | 4286 | |
3d23e349 | 4287 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
4288 | dev->ieee80211_ptr->wext.default_key = key.idx; |
4289 | #endif | |
6cdd3979 | 4290 | } else if (key.defmgmt) { |
dbd2fd65 JB |
4291 | if (key.def_uni || !key.def_multi) { |
4292 | err = -EINVAL; | |
4293 | goto out; | |
4294 | } | |
4295 | ||
4296 | if (!rdev->ops->set_default_mgmt_key) { | |
4297 | err = -EOPNOTSUPP; | |
4298 | goto out; | |
4299 | } | |
4300 | ||
4301 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
4302 | if (err) | |
4303 | goto out; | |
4304 | ||
e35e4d28 | 4305 | err = rdev_set_default_mgmt_key(rdev, dev, key.idx); |
dbd2fd65 JB |
4306 | if (err) |
4307 | goto out; | |
4308 | ||
4309 | #ifdef CONFIG_CFG80211_WEXT | |
4310 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 4311 | #endif |
56be393f JM |
4312 | } else if (key.defbeacon) { |
4313 | if (key.def_uni || !key.def_multi) { | |
4314 | err = -EINVAL; | |
4315 | goto out; | |
4316 | } | |
4317 | ||
4318 | if (!rdev->ops->set_default_beacon_key) { | |
4319 | err = -EOPNOTSUPP; | |
4320 | goto out; | |
4321 | } | |
4322 | ||
4323 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
4324 | if (err) | |
4325 | goto out; | |
4326 | ||
4327 | err = rdev_set_default_beacon_key(rdev, dev, key.idx); | |
4328 | if (err) | |
4329 | goto out; | |
6cdd3979 AW |
4330 | } else if (key.p.mode == NL80211_KEY_SET_TX && |
4331 | wiphy_ext_feature_isset(&rdev->wiphy, | |
4332 | NL80211_EXT_FEATURE_EXT_KEY_ID)) { | |
4333 | u8 *mac_addr = NULL; | |
4334 | ||
4335 | if (info->attrs[NL80211_ATTR_MAC]) | |
4336 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4337 | ||
4338 | if (!mac_addr || key.idx < 0 || key.idx > 1) { | |
4339 | err = -EINVAL; | |
4340 | goto out; | |
4341 | } | |
dbd2fd65 | 4342 | |
6cdd3979 AW |
4343 | err = rdev_add_key(rdev, dev, key.idx, |
4344 | NL80211_KEYTYPE_PAIRWISE, | |
4345 | mac_addr, &key.p); | |
4346 | } else { | |
4347 | err = -EINVAL; | |
4348 | } | |
dbd2fd65 | 4349 | out: |
fffd0934 | 4350 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 4351 | |
41ade00f JB |
4352 | return err; |
4353 | } | |
4354 | ||
4355 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
4356 | { | |
4c476991 | 4357 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 4358 | int err; |
4c476991 | 4359 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 4360 | struct key_parse key; |
e31b8213 | 4361 | const u8 *mac_addr = NULL; |
41ade00f | 4362 | |
b9454e83 JB |
4363 | err = nl80211_parse_key(info, &key); |
4364 | if (err) | |
4365 | return err; | |
41ade00f | 4366 | |
f8af764b JM |
4367 | if (!key.p.key) { |
4368 | GENL_SET_ERR_MSG(info, "no key"); | |
41ade00f | 4369 | return -EINVAL; |
f8af764b | 4370 | } |
41ade00f | 4371 | |
41ade00f JB |
4372 | if (info->attrs[NL80211_ATTR_MAC]) |
4373 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4374 | ||
e31b8213 JB |
4375 | if (key.type == -1) { |
4376 | if (mac_addr) | |
4377 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
4378 | else | |
4379 | key.type = NL80211_KEYTYPE_GROUP; | |
4380 | } | |
4381 | ||
4382 | /* for now */ | |
4383 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
f8af764b JM |
4384 | key.type != NL80211_KEYTYPE_GROUP) { |
4385 | GENL_SET_ERR_MSG(info, "key type not pairwise or group"); | |
e31b8213 | 4386 | return -EINVAL; |
f8af764b | 4387 | } |
e31b8213 | 4388 | |
14f34e36 GG |
4389 | if (key.type == NL80211_KEYTYPE_GROUP && |
4390 | info->attrs[NL80211_ATTR_VLAN_ID]) | |
4391 | key.p.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]); | |
4392 | ||
4c476991 JB |
4393 | if (!rdev->ops->add_key) |
4394 | return -EOPNOTSUPP; | |
25e47c18 | 4395 | |
e31b8213 JB |
4396 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
4397 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
f8af764b JM |
4398 | mac_addr)) { |
4399 | GENL_SET_ERR_MSG(info, "key setting validation failed"); | |
4c476991 | 4400 | return -EINVAL; |
f8af764b | 4401 | } |
41ade00f | 4402 | |
fffd0934 JB |
4403 | wdev_lock(dev->ieee80211_ptr); |
4404 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
f8af764b JM |
4405 | if (err) |
4406 | GENL_SET_ERR_MSG(info, "key not allowed"); | |
4407 | if (!err) { | |
e35e4d28 HG |
4408 | err = rdev_add_key(rdev, dev, key.idx, |
4409 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
4410 | mac_addr, &key.p); | |
f8af764b JM |
4411 | if (err) |
4412 | GENL_SET_ERR_MSG(info, "key addition failed"); | |
4413 | } | |
fffd0934 | 4414 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 4415 | |
41ade00f JB |
4416 | return err; |
4417 | } | |
4418 | ||
4419 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
4420 | { | |
4c476991 | 4421 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 4422 | int err; |
4c476991 | 4423 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 4424 | u8 *mac_addr = NULL; |
b9454e83 | 4425 | struct key_parse key; |
41ade00f | 4426 | |
b9454e83 JB |
4427 | err = nl80211_parse_key(info, &key); |
4428 | if (err) | |
4429 | return err; | |
41ade00f JB |
4430 | |
4431 | if (info->attrs[NL80211_ATTR_MAC]) | |
4432 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4433 | ||
e31b8213 JB |
4434 | if (key.type == -1) { |
4435 | if (mac_addr) | |
4436 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
4437 | else | |
4438 | key.type = NL80211_KEYTYPE_GROUP; | |
4439 | } | |
4440 | ||
4441 | /* for now */ | |
4442 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
4443 | key.type != NL80211_KEYTYPE_GROUP) | |
4444 | return -EINVAL; | |
4445 | ||
2d946308 AT |
4446 | if (!cfg80211_valid_key_idx(rdev, key.idx, |
4447 | key.type == NL80211_KEYTYPE_PAIRWISE)) | |
4448 | return -EINVAL; | |
4449 | ||
4c476991 JB |
4450 | if (!rdev->ops->del_key) |
4451 | return -EOPNOTSUPP; | |
41ade00f | 4452 | |
fffd0934 JB |
4453 | wdev_lock(dev->ieee80211_ptr); |
4454 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 | 4455 | |
0fa7b391 | 4456 | if (key.type == NL80211_KEYTYPE_GROUP && mac_addr && |
e31b8213 JB |
4457 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) |
4458 | err = -ENOENT; | |
4459 | ||
fffd0934 | 4460 | if (!err) |
e35e4d28 HG |
4461 | err = rdev_del_key(rdev, dev, key.idx, |
4462 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
4463 | mac_addr); | |
41ade00f | 4464 | |
3d23e349 | 4465 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 4466 | if (!err) { |
b9454e83 | 4467 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 4468 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 4469 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
4470 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
4471 | } | |
4472 | #endif | |
fffd0934 | 4473 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 4474 | |
41ade00f JB |
4475 | return err; |
4476 | } | |
4477 | ||
77765eaf VT |
4478 | /* This function returns an error or the number of nested attributes */ |
4479 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) | |
4480 | { | |
4481 | struct nlattr *attr; | |
4482 | int n_entries = 0, tmp; | |
4483 | ||
4484 | nla_for_each_nested(attr, nl_attr, tmp) { | |
4485 | if (nla_len(attr) != ETH_ALEN) | |
4486 | return -EINVAL; | |
4487 | ||
4488 | n_entries++; | |
4489 | } | |
4490 | ||
4491 | return n_entries; | |
4492 | } | |
4493 | ||
4494 | /* | |
4495 | * This function parses ACL information and allocates memory for ACL data. | |
4496 | * On successful return, the calling function is responsible to free the | |
4497 | * ACL buffer returned by this function. | |
4498 | */ | |
4499 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, | |
4500 | struct genl_info *info) | |
4501 | { | |
4502 | enum nl80211_acl_policy acl_policy; | |
4503 | struct nlattr *attr; | |
4504 | struct cfg80211_acl_data *acl; | |
4505 | int i = 0, n_entries, tmp; | |
4506 | ||
4507 | if (!wiphy->max_acl_mac_addrs) | |
4508 | return ERR_PTR(-EOPNOTSUPP); | |
4509 | ||
4510 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) | |
4511 | return ERR_PTR(-EINVAL); | |
4512 | ||
4513 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); | |
4514 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && | |
4515 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) | |
4516 | return ERR_PTR(-EINVAL); | |
4517 | ||
4518 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) | |
4519 | return ERR_PTR(-EINVAL); | |
4520 | ||
4521 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); | |
4522 | if (n_entries < 0) | |
4523 | return ERR_PTR(n_entries); | |
4524 | ||
4525 | if (n_entries > wiphy->max_acl_mac_addrs) | |
4526 | return ERR_PTR(-ENOTSUPP); | |
4527 | ||
391d132c | 4528 | acl = kzalloc(struct_size(acl, mac_addrs, n_entries), GFP_KERNEL); |
77765eaf VT |
4529 | if (!acl) |
4530 | return ERR_PTR(-ENOMEM); | |
4531 | ||
4532 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { | |
4533 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); | |
4534 | i++; | |
4535 | } | |
4536 | ||
4537 | acl->n_acl_entries = n_entries; | |
4538 | acl->acl_policy = acl_policy; | |
4539 | ||
4540 | return acl; | |
4541 | } | |
4542 | ||
4543 | static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) | |
4544 | { | |
4545 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4546 | struct net_device *dev = info->user_ptr[1]; | |
4547 | struct cfg80211_acl_data *acl; | |
4548 | int err; | |
4549 | ||
4550 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
4551 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4552 | return -EOPNOTSUPP; | |
4553 | ||
4554 | if (!dev->ieee80211_ptr->beacon_interval) | |
4555 | return -EINVAL; | |
4556 | ||
4557 | acl = parse_acl_data(&rdev->wiphy, info); | |
4558 | if (IS_ERR(acl)) | |
4559 | return PTR_ERR(acl); | |
4560 | ||
4561 | err = rdev_set_mac_acl(rdev, dev, acl); | |
4562 | ||
4563 | kfree(acl); | |
4564 | ||
4565 | return err; | |
4566 | } | |
4567 | ||
a7c7fbff PK |
4568 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
4569 | u8 *rates, u8 rates_len) | |
4570 | { | |
4571 | u8 i; | |
4572 | u32 mask = 0; | |
4573 | ||
4574 | for (i = 0; i < rates_len; i++) { | |
4575 | int rate = (rates[i] & 0x7f) * 5; | |
4576 | int ridx; | |
4577 | ||
4578 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
4579 | struct ieee80211_rate *srate = | |
4580 | &sband->bitrates[ridx]; | |
4581 | if (rate == srate->bitrate) { | |
4582 | mask |= 1 << ridx; | |
4583 | break; | |
4584 | } | |
4585 | } | |
4586 | if (ridx == sband->n_bitrates) | |
4587 | return 0; /* rate not found */ | |
4588 | } | |
4589 | ||
4590 | return mask; | |
4591 | } | |
4592 | ||
4593 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, | |
4594 | u8 *rates, u8 rates_len, | |
4595 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
4596 | { | |
4597 | u8 i; | |
4598 | ||
4599 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
4600 | ||
4601 | for (i = 0; i < rates_len; i++) { | |
4602 | int ridx, rbit; | |
4603 | ||
4604 | ridx = rates[i] / 8; | |
4605 | rbit = BIT(rates[i] % 8); | |
4606 | ||
4607 | /* check validity */ | |
4608 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) | |
4609 | return false; | |
4610 | ||
4611 | /* check availability */ | |
30fe6d50 | 4612 | ridx = array_index_nospec(ridx, IEEE80211_HT_MCS_MASK_LEN); |
a7c7fbff PK |
4613 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) |
4614 | mcs[ridx] |= rbit; | |
4615 | else | |
4616 | return false; | |
4617 | } | |
4618 | ||
4619 | return true; | |
4620 | } | |
4621 | ||
4622 | static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map) | |
4623 | { | |
4624 | u16 mcs_mask = 0; | |
4625 | ||
4626 | switch (vht_mcs_map) { | |
4627 | case IEEE80211_VHT_MCS_NOT_SUPPORTED: | |
4628 | break; | |
4629 | case IEEE80211_VHT_MCS_SUPPORT_0_7: | |
4630 | mcs_mask = 0x00FF; | |
4631 | break; | |
4632 | case IEEE80211_VHT_MCS_SUPPORT_0_8: | |
4633 | mcs_mask = 0x01FF; | |
4634 | break; | |
4635 | case IEEE80211_VHT_MCS_SUPPORT_0_9: | |
4636 | mcs_mask = 0x03FF; | |
4637 | break; | |
4638 | default: | |
4639 | break; | |
4640 | } | |
4641 | ||
4642 | return mcs_mask; | |
4643 | } | |
4644 | ||
4645 | static void vht_build_mcs_mask(u16 vht_mcs_map, | |
4646 | u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) | |
4647 | { | |
4648 | u8 nss; | |
4649 | ||
4650 | for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { | |
4651 | vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03); | |
4652 | vht_mcs_map >>= 2; | |
4653 | } | |
4654 | } | |
4655 | ||
4656 | static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband, | |
4657 | struct nl80211_txrate_vht *txrate, | |
4658 | u16 mcs[NL80211_VHT_NSS_MAX]) | |
4659 | { | |
4660 | u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
4661 | u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {}; | |
4662 | u8 i; | |
4663 | ||
4664 | if (!sband->vht_cap.vht_supported) | |
4665 | return false; | |
4666 | ||
4667 | memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX); | |
4668 | ||
4669 | /* Build vht_mcs_mask from VHT capabilities */ | |
4670 | vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask); | |
4671 | ||
4672 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
4673 | if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i]) | |
4674 | mcs[i] = txrate->mcs[i]; | |
4675 | else | |
4676 | return false; | |
4677 | } | |
4678 | ||
4679 | return true; | |
4680 | } | |
4681 | ||
eb89a6a6 MH |
4682 | static u16 he_mcs_map_to_mcs_mask(u8 he_mcs_map) |
4683 | { | |
4684 | switch (he_mcs_map) { | |
4685 | case IEEE80211_HE_MCS_NOT_SUPPORTED: | |
4686 | return 0; | |
4687 | case IEEE80211_HE_MCS_SUPPORT_0_7: | |
4688 | return 0x00FF; | |
4689 | case IEEE80211_HE_MCS_SUPPORT_0_9: | |
4690 | return 0x03FF; | |
4691 | case IEEE80211_HE_MCS_SUPPORT_0_11: | |
4692 | return 0xFFF; | |
4693 | default: | |
4694 | break; | |
4695 | } | |
4696 | return 0; | |
4697 | } | |
4698 | ||
4699 | static void he_build_mcs_mask(u16 he_mcs_map, | |
4700 | u16 he_mcs_mask[NL80211_HE_NSS_MAX]) | |
4701 | { | |
4702 | u8 nss; | |
4703 | ||
4704 | for (nss = 0; nss < NL80211_HE_NSS_MAX; nss++) { | |
4705 | he_mcs_mask[nss] = he_mcs_map_to_mcs_mask(he_mcs_map & 0x03); | |
4706 | he_mcs_map >>= 2; | |
4707 | } | |
4708 | } | |
4709 | ||
4710 | static u16 he_get_txmcsmap(struct genl_info *info, | |
4711 | const struct ieee80211_sta_he_cap *he_cap) | |
4712 | { | |
4713 | struct net_device *dev = info->user_ptr[1]; | |
4714 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
4715 | __le16 tx_mcs; | |
4716 | ||
4717 | switch (wdev->chandef.width) { | |
4718 | case NL80211_CHAN_WIDTH_80P80: | |
4719 | tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80p80; | |
4720 | break; | |
4721 | case NL80211_CHAN_WIDTH_160: | |
4722 | tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_160; | |
4723 | break; | |
4724 | default: | |
4725 | tx_mcs = he_cap->he_mcs_nss_supp.tx_mcs_80; | |
4726 | break; | |
4727 | } | |
4728 | return le16_to_cpu(tx_mcs); | |
4729 | } | |
4730 | ||
4731 | static bool he_set_mcs_mask(struct genl_info *info, | |
4732 | struct wireless_dev *wdev, | |
4733 | struct ieee80211_supported_band *sband, | |
4734 | struct nl80211_txrate_he *txrate, | |
4735 | u16 mcs[NL80211_HE_NSS_MAX]) | |
4736 | { | |
4737 | const struct ieee80211_sta_he_cap *he_cap; | |
4738 | u16 tx_mcs_mask[NL80211_HE_NSS_MAX] = {}; | |
4739 | u16 tx_mcs_map = 0; | |
4740 | u8 i; | |
4741 | ||
4742 | he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype); | |
4743 | if (!he_cap) | |
4744 | return false; | |
4745 | ||
4746 | memset(mcs, 0, sizeof(u16) * NL80211_HE_NSS_MAX); | |
4747 | ||
4748 | tx_mcs_map = he_get_txmcsmap(info, he_cap); | |
4749 | ||
4750 | /* Build he_mcs_mask from HE capabilities */ | |
4751 | he_build_mcs_mask(tx_mcs_map, tx_mcs_mask); | |
4752 | ||
4753 | for (i = 0; i < NL80211_HE_NSS_MAX; i++) { | |
4754 | if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i]) | |
4755 | mcs[i] = txrate->mcs[i]; | |
4756 | else | |
4757 | return false; | |
4758 | } | |
4759 | ||
4760 | return true; | |
4761 | } | |
4762 | ||
a7c7fbff | 4763 | static int nl80211_parse_tx_bitrate_mask(struct genl_info *info, |
9a5f6488 TC |
4764 | struct nlattr *attrs[], |
4765 | enum nl80211_attrs attr, | |
eb89a6a6 | 4766 | struct cfg80211_bitrate_mask *mask, |
857b34c4 RM |
4767 | struct net_device *dev, |
4768 | bool default_all_enabled) | |
a7c7fbff PK |
4769 | { |
4770 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
4771 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
eb89a6a6 | 4772 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
a7c7fbff PK |
4773 | int rem, i; |
4774 | struct nlattr *tx_rates; | |
4775 | struct ieee80211_supported_band *sband; | |
eb89a6a6 | 4776 | u16 vht_tx_mcs_map, he_tx_mcs_map; |
a7c7fbff PK |
4777 | |
4778 | memset(mask, 0, sizeof(*mask)); | |
4779 | /* Default to all rates enabled */ | |
4780 | for (i = 0; i < NUM_NL80211_BANDS; i++) { | |
eb89a6a6 MH |
4781 | const struct ieee80211_sta_he_cap *he_cap; |
4782 | ||
857b34c4 RM |
4783 | if (!default_all_enabled) |
4784 | break; | |
4785 | ||
a7c7fbff PK |
4786 | sband = rdev->wiphy.bands[i]; |
4787 | ||
4788 | if (!sband) | |
4789 | continue; | |
4790 | ||
4791 | mask->control[i].legacy = (1 << sband->n_bitrates) - 1; | |
4792 | memcpy(mask->control[i].ht_mcs, | |
4793 | sband->ht_cap.mcs.rx_mask, | |
4794 | sizeof(mask->control[i].ht_mcs)); | |
4795 | ||
9df66d5b PKS |
4796 | if (sband->vht_cap.vht_supported) { |
4797 | vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
4798 | vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs); | |
4799 | } | |
eb89a6a6 MH |
4800 | |
4801 | he_cap = ieee80211_get_he_iftype_cap(sband, wdev->iftype); | |
4802 | if (!he_cap) | |
4803 | continue; | |
4804 | ||
4805 | he_tx_mcs_map = he_get_txmcsmap(info, he_cap); | |
4806 | he_build_mcs_mask(he_tx_mcs_map, mask->control[i].he_mcs); | |
4807 | ||
4808 | mask->control[i].he_gi = 0xFF; | |
4809 | mask->control[i].he_ltf = 0xFF; | |
a7c7fbff PK |
4810 | } |
4811 | ||
4812 | /* if no rates are given set it back to the defaults */ | |
9a5f6488 | 4813 | if (!attrs[attr]) |
a7c7fbff PK |
4814 | goto out; |
4815 | ||
4816 | /* The nested attribute uses enum nl80211_band as the index. This maps | |
4817 | * directly to the enum nl80211_band values used in cfg80211. | |
4818 | */ | |
4819 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); | |
9a5f6488 | 4820 | nla_for_each_nested(tx_rates, attrs[attr], rem) { |
a7c7fbff PK |
4821 | enum nl80211_band band = nla_type(tx_rates); |
4822 | int err; | |
4823 | ||
4824 | if (band < 0 || band >= NUM_NL80211_BANDS) | |
4825 | return -EINVAL; | |
4826 | sband = rdev->wiphy.bands[band]; | |
4827 | if (sband == NULL) | |
4828 | return -EINVAL; | |
8cb08174 JB |
4829 | err = nla_parse_nested_deprecated(tb, NL80211_TXRATE_MAX, |
4830 | tx_rates, | |
4831 | nl80211_txattr_policy, | |
4832 | info->extack); | |
a7c7fbff PK |
4833 | if (err) |
4834 | return err; | |
4835 | if (tb[NL80211_TXRATE_LEGACY]) { | |
4836 | mask->control[band].legacy = rateset_to_mask( | |
4837 | sband, | |
4838 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
4839 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
4840 | if ((mask->control[band].legacy == 0) && | |
4841 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
4842 | return -EINVAL; | |
4843 | } | |
4844 | if (tb[NL80211_TXRATE_HT]) { | |
4845 | if (!ht_rateset_to_mask( | |
4846 | sband, | |
4847 | nla_data(tb[NL80211_TXRATE_HT]), | |
4848 | nla_len(tb[NL80211_TXRATE_HT]), | |
4849 | mask->control[band].ht_mcs)) | |
4850 | return -EINVAL; | |
4851 | } | |
c4a30446 | 4852 | |
a7c7fbff PK |
4853 | if (tb[NL80211_TXRATE_VHT]) { |
4854 | if (!vht_set_mcs_mask( | |
4855 | sband, | |
4856 | nla_data(tb[NL80211_TXRATE_VHT]), | |
4857 | mask->control[band].vht_mcs)) | |
4858 | return -EINVAL; | |
4859 | } | |
c4a30446 | 4860 | |
a7c7fbff PK |
4861 | if (tb[NL80211_TXRATE_GI]) { |
4862 | mask->control[band].gi = | |
4863 | nla_get_u8(tb[NL80211_TXRATE_GI]); | |
4864 | if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI) | |
4865 | return -EINVAL; | |
4866 | } | |
eb89a6a6 MH |
4867 | if (tb[NL80211_TXRATE_HE] && |
4868 | !he_set_mcs_mask(info, wdev, sband, | |
4869 | nla_data(tb[NL80211_TXRATE_HE]), | |
4870 | mask->control[band].he_mcs)) | |
4871 | return -EINVAL; | |
c4a30446 | 4872 | |
eb89a6a6 MH |
4873 | if (tb[NL80211_TXRATE_HE_GI]) |
4874 | mask->control[band].he_gi = | |
4875 | nla_get_u8(tb[NL80211_TXRATE_HE_GI]); | |
4876 | if (tb[NL80211_TXRATE_HE_LTF]) | |
4877 | mask->control[band].he_ltf = | |
4878 | nla_get_u8(tb[NL80211_TXRATE_HE_LTF]); | |
a7c7fbff PK |
4879 | |
4880 | if (mask->control[band].legacy == 0) { | |
eb89a6a6 | 4881 | /* don't allow empty legacy rates if HT, VHT or HE |
a7c7fbff PK |
4882 | * are not even supported. |
4883 | */ | |
4884 | if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported || | |
eb89a6a6 MH |
4885 | rdev->wiphy.bands[band]->vht_cap.vht_supported || |
4886 | ieee80211_get_he_iftype_cap(sband, wdev->iftype))) | |
a7c7fbff PK |
4887 | return -EINVAL; |
4888 | ||
4889 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
4890 | if (mask->control[band].ht_mcs[i]) | |
4891 | goto out; | |
4892 | ||
4893 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
4894 | if (mask->control[band].vht_mcs[i]) | |
4895 | goto out; | |
4896 | ||
eb89a6a6 MH |
4897 | for (i = 0; i < NL80211_HE_NSS_MAX; i++) |
4898 | if (mask->control[band].he_mcs[i]) | |
4899 | goto out; | |
4900 | ||
a7c7fbff PK |
4901 | /* legacy and mcs rates may not be both empty */ |
4902 | return -EINVAL; | |
4903 | } | |
4904 | } | |
4905 | ||
4906 | out: | |
4907 | return 0; | |
4908 | } | |
4909 | ||
8564e382 JB |
4910 | static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev, |
4911 | enum nl80211_band band, | |
4912 | struct cfg80211_bitrate_mask *beacon_rate) | |
a7c7fbff | 4913 | { |
c4a30446 | 4914 | u32 count_ht, count_vht, count_he, i; |
8564e382 | 4915 | u32 rate = beacon_rate->control[band].legacy; |
a7c7fbff PK |
4916 | |
4917 | /* Allow only one rate */ | |
4918 | if (hweight32(rate) > 1) | |
4919 | return -EINVAL; | |
4920 | ||
4921 | count_ht = 0; | |
4922 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) { | |
8564e382 | 4923 | if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) { |
a7c7fbff | 4924 | return -EINVAL; |
8564e382 | 4925 | } else if (beacon_rate->control[band].ht_mcs[i]) { |
a7c7fbff PK |
4926 | count_ht++; |
4927 | if (count_ht > 1) | |
4928 | return -EINVAL; | |
4929 | } | |
4930 | if (count_ht && rate) | |
4931 | return -EINVAL; | |
4932 | } | |
4933 | ||
4934 | count_vht = 0; | |
4935 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
8564e382 | 4936 | if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) { |
a7c7fbff | 4937 | return -EINVAL; |
8564e382 | 4938 | } else if (beacon_rate->control[band].vht_mcs[i]) { |
a7c7fbff PK |
4939 | count_vht++; |
4940 | if (count_vht > 1) | |
4941 | return -EINVAL; | |
4942 | } | |
4943 | if (count_vht && rate) | |
4944 | return -EINVAL; | |
4945 | } | |
4946 | ||
c4a30446 RM |
4947 | count_he = 0; |
4948 | for (i = 0; i < NL80211_HE_NSS_MAX; i++) { | |
4949 | if (hweight16(beacon_rate->control[band].he_mcs[i]) > 1) { | |
4950 | return -EINVAL; | |
4951 | } else if (beacon_rate->control[band].he_mcs[i]) { | |
4952 | count_he++; | |
4953 | if (count_he > 1) | |
4954 | return -EINVAL; | |
4955 | } | |
4956 | if (count_he && rate) | |
4957 | return -EINVAL; | |
4958 | } | |
4959 | ||
4960 | if ((count_ht && count_vht && count_he) || | |
4961 | (!rate && !count_ht && !count_vht && !count_he)) | |
a7c7fbff PK |
4962 | return -EINVAL; |
4963 | ||
8564e382 JB |
4964 | if (rate && |
4965 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
4966 | NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) | |
4967 | return -EINVAL; | |
4968 | if (count_ht && | |
4969 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
4970 | NL80211_EXT_FEATURE_BEACON_RATE_HT)) | |
4971 | return -EINVAL; | |
4972 | if (count_vht && | |
4973 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
4974 | NL80211_EXT_FEATURE_BEACON_RATE_VHT)) | |
4975 | return -EINVAL; | |
c4a30446 RM |
4976 | if (count_he && |
4977 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
4978 | NL80211_EXT_FEATURE_BEACON_RATE_HE)) | |
4979 | return -EINVAL; | |
8564e382 | 4980 | |
a7c7fbff PK |
4981 | return 0; |
4982 | } | |
4983 | ||
81e54d08 PKC |
4984 | static int nl80211_parse_beacon(struct cfg80211_registered_device *rdev, |
4985 | struct nlattr *attrs[], | |
8860020e | 4986 | struct cfg80211_beacon_data *bcn) |
ed1b6cc7 | 4987 | { |
8860020e | 4988 | bool haveinfo = false; |
81e54d08 | 4989 | int err; |
ed1b6cc7 | 4990 | |
8860020e | 4991 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 4992 | |
a1193be8 SW |
4993 | if (attrs[NL80211_ATTR_BEACON_HEAD]) { |
4994 | bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]); | |
4995 | bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]); | |
8860020e JB |
4996 | if (!bcn->head_len) |
4997 | return -EINVAL; | |
4998 | haveinfo = true; | |
ed1b6cc7 JB |
4999 | } |
5000 | ||
a1193be8 SW |
5001 | if (attrs[NL80211_ATTR_BEACON_TAIL]) { |
5002 | bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]); | |
5003 | bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]); | |
8860020e | 5004 | haveinfo = true; |
ed1b6cc7 JB |
5005 | } |
5006 | ||
4c476991 JB |
5007 | if (!haveinfo) |
5008 | return -EINVAL; | |
3b85875a | 5009 | |
a1193be8 SW |
5010 | if (attrs[NL80211_ATTR_IE]) { |
5011 | bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]); | |
5012 | bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
5013 | } |
5014 | ||
a1193be8 | 5015 | if (attrs[NL80211_ATTR_IE_PROBE_RESP]) { |
8860020e | 5016 | bcn->proberesp_ies = |
a1193be8 | 5017 | nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 5018 | bcn->proberesp_ies_len = |
a1193be8 | 5019 | nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
9946ecfb JM |
5020 | } |
5021 | ||
a1193be8 | 5022 | if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) { |
8860020e | 5023 | bcn->assocresp_ies = |
a1193be8 | 5024 | nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 5025 | bcn->assocresp_ies_len = |
a1193be8 | 5026 | nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
9946ecfb JM |
5027 | } |
5028 | ||
a1193be8 SW |
5029 | if (attrs[NL80211_ATTR_PROBE_RESP]) { |
5030 | bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]); | |
5031 | bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]); | |
00f740e1 AN |
5032 | } |
5033 | ||
81e54d08 PKC |
5034 | if (attrs[NL80211_ATTR_FTM_RESPONDER]) { |
5035 | struct nlattr *tb[NL80211_FTM_RESP_ATTR_MAX + 1]; | |
5036 | ||
8cb08174 JB |
5037 | err = nla_parse_nested_deprecated(tb, |
5038 | NL80211_FTM_RESP_ATTR_MAX, | |
5039 | attrs[NL80211_ATTR_FTM_RESPONDER], | |
5040 | NULL, NULL); | |
81e54d08 PKC |
5041 | if (err) |
5042 | return err; | |
5043 | ||
5044 | if (tb[NL80211_FTM_RESP_ATTR_ENABLED] && | |
5045 | wiphy_ext_feature_isset(&rdev->wiphy, | |
5046 | NL80211_EXT_FEATURE_ENABLE_FTM_RESPONDER)) | |
5047 | bcn->ftm_responder = 1; | |
5048 | else | |
5049 | return -EOPNOTSUPP; | |
5050 | ||
5051 | if (tb[NL80211_FTM_RESP_ATTR_LCI]) { | |
5052 | bcn->lci = nla_data(tb[NL80211_FTM_RESP_ATTR_LCI]); | |
5053 | bcn->lci_len = nla_len(tb[NL80211_FTM_RESP_ATTR_LCI]); | |
5054 | } | |
5055 | ||
5056 | if (tb[NL80211_FTM_RESP_ATTR_CIVICLOC]) { | |
5057 | bcn->civicloc = nla_data(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]); | |
5058 | bcn->civicloc_len = nla_len(tb[NL80211_FTM_RESP_ATTR_CIVICLOC]); | |
5059 | } | |
5060 | } else { | |
5061 | bcn->ftm_responder = -1; | |
5062 | } | |
5063 | ||
8860020e JB |
5064 | return 0; |
5065 | } | |
5066 | ||
796e90f4 JC |
5067 | static int nl80211_parse_he_obss_pd(struct nlattr *attrs, |
5068 | struct ieee80211_he_obss_pd *he_obss_pd) | |
5069 | { | |
5070 | struct nlattr *tb[NL80211_HE_OBSS_PD_ATTR_MAX + 1]; | |
5071 | int err; | |
5072 | ||
5073 | err = nla_parse_nested(tb, NL80211_HE_OBSS_PD_ATTR_MAX, attrs, | |
5074 | he_obss_pd_policy, NULL); | |
5075 | if (err) | |
5076 | return err; | |
5077 | ||
f5bec330 RM |
5078 | if (!tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL]) |
5079 | return -EINVAL; | |
5080 | ||
5081 | he_obss_pd->sr_ctrl = nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_SR_CTRL]); | |
5082 | ||
6c8b6e4a RM |
5083 | if (tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]) |
5084 | he_obss_pd->min_offset = | |
5085 | nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MIN_OFFSET]); | |
5086 | if (tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]) | |
5087 | he_obss_pd->max_offset = | |
5088 | nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_MAX_OFFSET]); | |
f5bec330 RM |
5089 | if (tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET]) |
5090 | he_obss_pd->non_srg_max_offset = | |
5091 | nla_get_u8(tb[NL80211_HE_OBSS_PD_ATTR_NON_SRG_MAX_OFFSET]); | |
6c8b6e4a RM |
5092 | |
5093 | if (he_obss_pd->min_offset > he_obss_pd->max_offset) | |
796e90f4 JC |
5094 | return -EINVAL; |
5095 | ||
f5bec330 RM |
5096 | if (tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP]) |
5097 | memcpy(he_obss_pd->bss_color_bitmap, | |
5098 | nla_data(tb[NL80211_HE_OBSS_PD_ATTR_BSS_COLOR_BITMAP]), | |
5099 | sizeof(he_obss_pd->bss_color_bitmap)); | |
5100 | ||
5101 | if (tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP]) | |
5102 | memcpy(he_obss_pd->partial_bssid_bitmap, | |
5103 | nla_data(tb[NL80211_HE_OBSS_PD_ATTR_PARTIAL_BSSID_BITMAP]), | |
5104 | sizeof(he_obss_pd->partial_bssid_bitmap)); | |
5105 | ||
796e90f4 JC |
5106 | he_obss_pd->enable = true; |
5107 | ||
5108 | return 0; | |
5109 | } | |
5110 | ||
5c5e52d1 JC |
5111 | static int nl80211_parse_he_bss_color(struct nlattr *attrs, |
5112 | struct cfg80211_he_bss_color *he_bss_color) | |
5113 | { | |
5114 | struct nlattr *tb[NL80211_HE_BSS_COLOR_ATTR_MAX + 1]; | |
5115 | int err; | |
5116 | ||
5117 | err = nla_parse_nested(tb, NL80211_HE_BSS_COLOR_ATTR_MAX, attrs, | |
5118 | he_bss_color_policy, NULL); | |
5119 | if (err) | |
5120 | return err; | |
5121 | ||
5122 | if (!tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]) | |
5123 | return -EINVAL; | |
5124 | ||
5125 | he_bss_color->color = | |
5126 | nla_get_u8(tb[NL80211_HE_BSS_COLOR_ATTR_COLOR]); | |
75e6b594 JB |
5127 | he_bss_color->enabled = |
5128 | !nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_DISABLED]); | |
5c5e52d1 JC |
5129 | he_bss_color->partial = |
5130 | nla_get_flag(tb[NL80211_HE_BSS_COLOR_ATTR_PARTIAL]); | |
5131 | ||
5132 | return 0; | |
5133 | } | |
5134 | ||
291c49de AD |
5135 | static int nl80211_parse_fils_discovery(struct cfg80211_registered_device *rdev, |
5136 | struct nlattr *attrs, | |
5137 | struct cfg80211_ap_settings *params) | |
5138 | { | |
5139 | struct nlattr *tb[NL80211_FILS_DISCOVERY_ATTR_MAX + 1]; | |
5140 | int ret; | |
5141 | struct cfg80211_fils_discovery *fd = ¶ms->fils_discovery; | |
5142 | ||
5143 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
5144 | NL80211_EXT_FEATURE_FILS_DISCOVERY)) | |
5145 | return -EINVAL; | |
5146 | ||
5147 | ret = nla_parse_nested(tb, NL80211_FILS_DISCOVERY_ATTR_MAX, attrs, | |
5148 | NULL, NULL); | |
5149 | if (ret) | |
5150 | return ret; | |
5151 | ||
5152 | if (!tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN] || | |
5153 | !tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX] || | |
5154 | !tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]) | |
5155 | return -EINVAL; | |
5156 | ||
5157 | fd->tmpl_len = nla_len(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]); | |
5158 | fd->tmpl = nla_data(tb[NL80211_FILS_DISCOVERY_ATTR_TMPL]); | |
5159 | fd->min_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MIN]); | |
5160 | fd->max_interval = nla_get_u32(tb[NL80211_FILS_DISCOVERY_ATTR_INT_MAX]); | |
5161 | ||
5162 | return 0; | |
5163 | } | |
5164 | ||
7443dcd1 AD |
5165 | static int |
5166 | nl80211_parse_unsol_bcast_probe_resp(struct cfg80211_registered_device *rdev, | |
5167 | struct nlattr *attrs, | |
5168 | struct cfg80211_ap_settings *params) | |
5169 | { | |
5170 | struct nlattr *tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX + 1]; | |
5171 | int ret; | |
5172 | struct cfg80211_unsol_bcast_probe_resp *presp = | |
5173 | ¶ms->unsol_bcast_probe_resp; | |
5174 | ||
5175 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
5176 | NL80211_EXT_FEATURE_UNSOL_BCAST_PROBE_RESP)) | |
5177 | return -EINVAL; | |
5178 | ||
5179 | ret = nla_parse_nested(tb, NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_MAX, | |
5180 | attrs, NULL, NULL); | |
5181 | if (ret) | |
5182 | return ret; | |
5183 | ||
5184 | if (!tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT] || | |
5185 | !tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]) | |
5186 | return -EINVAL; | |
5187 | ||
5188 | presp->tmpl = nla_data(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]); | |
5189 | presp->tmpl_len = nla_len(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_TMPL]); | |
5190 | presp->interval = nla_get_u32(tb[NL80211_UNSOL_BCAST_PROBE_RESP_ATTR_INT]); | |
5191 | return 0; | |
5192 | } | |
5193 | ||
66cd794e JB |
5194 | static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params, |
5195 | const u8 *rates) | |
5196 | { | |
5197 | int i; | |
5198 | ||
5199 | if (!rates) | |
5200 | return; | |
5201 | ||
5202 | for (i = 0; i < rates[1]; i++) { | |
5203 | if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY) | |
5204 | params->ht_required = true; | |
5205 | if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY) | |
5206 | params->vht_required = true; | |
2a392596 IP |
5207 | if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HE_PHY) |
5208 | params->he_required = true; | |
d6587602 IP |
5209 | if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_SAE_H2E) |
5210 | params->sae_h2e_required = true; | |
66cd794e JB |
5211 | } |
5212 | } | |
5213 | ||
5214 | /* | |
5215 | * Since the nl80211 API didn't include, from the beginning, attributes about | |
5216 | * HT/VHT requirements/capabilities, we parse them out of the IEs for the | |
5217 | * benefit of drivers that rebuild IEs in the firmware. | |
5218 | */ | |
5219 | static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params) | |
5220 | { | |
5221 | const struct cfg80211_beacon_data *bcn = ¶ms->beacon; | |
ba83bfb1 IM |
5222 | size_t ies_len = bcn->tail_len; |
5223 | const u8 *ies = bcn->tail; | |
66cd794e JB |
5224 | const u8 *rates; |
5225 | const u8 *cap; | |
5226 | ||
5227 | rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len); | |
5228 | nl80211_check_ap_rate_selectors(params, rates); | |
5229 | ||
5230 | rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len); | |
5231 | nl80211_check_ap_rate_selectors(params, rates); | |
5232 | ||
5233 | cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len); | |
5234 | if (cap && cap[1] >= sizeof(*params->ht_cap)) | |
5235 | params->ht_cap = (void *)(cap + 2); | |
5236 | cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len); | |
5237 | if (cap && cap[1] >= sizeof(*params->vht_cap)) | |
5238 | params->vht_cap = (void *)(cap + 2); | |
244eb9ae ST |
5239 | cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_CAPABILITY, ies, ies_len); |
5240 | if (cap && cap[1] >= sizeof(*params->he_cap) + 1) | |
5241 | params->he_cap = (void *)(cap + 3); | |
7e8d6f12 ST |
5242 | cap = cfg80211_find_ext_ie(WLAN_EID_EXT_HE_OPERATION, ies, ies_len); |
5243 | if (cap && cap[1] >= sizeof(*params->he_oper) + 1) | |
5244 | params->he_oper = (void *)(cap + 3); | |
66cd794e JB |
5245 | } |
5246 | ||
46c1dd0c FF |
5247 | static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, |
5248 | struct cfg80211_ap_settings *params) | |
5249 | { | |
5250 | struct wireless_dev *wdev; | |
5251 | bool ret = false; | |
5252 | ||
53873f13 | 5253 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
46c1dd0c FF |
5254 | if (wdev->iftype != NL80211_IFTYPE_AP && |
5255 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
5256 | continue; | |
5257 | ||
683b6d3b | 5258 | if (!wdev->preset_chandef.chan) |
46c1dd0c FF |
5259 | continue; |
5260 | ||
683b6d3b | 5261 | params->chandef = wdev->preset_chandef; |
46c1dd0c FF |
5262 | ret = true; |
5263 | break; | |
5264 | } | |
5265 | ||
46c1dd0c FF |
5266 | return ret; |
5267 | } | |
5268 | ||
e39e5b5e JM |
5269 | static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev, |
5270 | enum nl80211_auth_type auth_type, | |
5271 | enum nl80211_commands cmd) | |
5272 | { | |
5273 | if (auth_type > NL80211_AUTHTYPE_MAX) | |
5274 | return false; | |
5275 | ||
5276 | switch (cmd) { | |
5277 | case NL80211_CMD_AUTHENTICATE: | |
5278 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && | |
5279 | auth_type == NL80211_AUTHTYPE_SAE) | |
5280 | return false; | |
63181060 JM |
5281 | if (!wiphy_ext_feature_isset(&rdev->wiphy, |
5282 | NL80211_EXT_FEATURE_FILS_STA) && | |
5283 | (auth_type == NL80211_AUTHTYPE_FILS_SK || | |
5284 | auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
5285 | auth_type == NL80211_AUTHTYPE_FILS_PK)) | |
5286 | return false; | |
e39e5b5e JM |
5287 | return true; |
5288 | case NL80211_CMD_CONNECT: | |
10773a7c | 5289 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && |
26f7044e CHH |
5290 | !wiphy_ext_feature_isset(&rdev->wiphy, |
5291 | NL80211_EXT_FEATURE_SAE_OFFLOAD) && | |
10773a7c | 5292 | auth_type == NL80211_AUTHTYPE_SAE) |
a3caf744 | 5293 | return false; |
10773a7c | 5294 | |
a3caf744 VK |
5295 | /* FILS with SK PFS or PK not supported yet */ |
5296 | if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
5297 | auth_type == NL80211_AUTHTYPE_FILS_PK) | |
5298 | return false; | |
5299 | if (!wiphy_ext_feature_isset( | |
5300 | &rdev->wiphy, | |
5301 | NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) && | |
5302 | auth_type == NL80211_AUTHTYPE_FILS_SK) | |
5303 | return false; | |
5304 | return true; | |
e39e5b5e | 5305 | case NL80211_CMD_START_AP: |
2831a631 CHH |
5306 | if (!wiphy_ext_feature_isset(&rdev->wiphy, |
5307 | NL80211_EXT_FEATURE_SAE_OFFLOAD_AP) && | |
5308 | auth_type == NL80211_AUTHTYPE_SAE) | |
e39e5b5e | 5309 | return false; |
63181060 JM |
5310 | /* FILS not supported yet */ |
5311 | if (auth_type == NL80211_AUTHTYPE_FILS_SK || | |
5312 | auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
5313 | auth_type == NL80211_AUTHTYPE_FILS_PK) | |
5314 | return false; | |
e39e5b5e JM |
5315 | return true; |
5316 | default: | |
5317 | return false; | |
5318 | } | |
5319 | } | |
5320 | ||
8860020e JB |
5321 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
5322 | { | |
5323 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5324 | struct net_device *dev = info->user_ptr[1]; | |
5325 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5326 | struct cfg80211_ap_settings params; | |
5327 | int err; | |
5328 | ||
5329 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
5330 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5331 | return -EOPNOTSUPP; | |
5332 | ||
5333 | if (!rdev->ops->start_ap) | |
5334 | return -EOPNOTSUPP; | |
5335 | ||
5336 | if (wdev->beacon_interval) | |
5337 | return -EALREADY; | |
5338 | ||
5339 | memset(¶ms, 0, sizeof(params)); | |
5340 | ||
5341 | /* these are required for START_AP */ | |
5342 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
5343 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
5344 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
5345 | return -EINVAL; | |
5346 | ||
81e54d08 | 5347 | err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon); |
8860020e JB |
5348 | if (err) |
5349 | return err; | |
5350 | ||
5351 | params.beacon_interval = | |
5352 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
5353 | params.dtim_period = | |
5354 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
5355 | ||
0c317a02 PK |
5356 | err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype, |
5357 | params.beacon_interval); | |
8860020e JB |
5358 | if (err) |
5359 | return err; | |
5360 | ||
5361 | /* | |
5362 | * In theory, some of these attributes should be required here | |
5363 | * but since they were not used when the command was originally | |
5364 | * added, keep them optional for old user space programs to let | |
5365 | * them continue to work with drivers that do not need the | |
5366 | * additional information -- drivers must check! | |
5367 | */ | |
5368 | if (info->attrs[NL80211_ATTR_SSID]) { | |
5369 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
5370 | params.ssid_len = | |
5371 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
cb9abd48 | 5372 | if (params.ssid_len == 0) |
8860020e JB |
5373 | return -EINVAL; |
5374 | } | |
5375 | ||
ab0d76f6 | 5376 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) |
8860020e JB |
5377 | params.hidden_ssid = nla_get_u32( |
5378 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
8860020e JB |
5379 | |
5380 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
5381 | ||
5382 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
5383 | params.auth_type = nla_get_u32( | |
5384 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
5385 | if (!nl80211_valid_auth_type(rdev, params.auth_type, |
5386 | NL80211_CMD_START_AP)) | |
8860020e JB |
5387 | return -EINVAL; |
5388 | } else | |
5389 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
5390 | ||
5391 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
5392 | NL80211_MAX_NR_CIPHER_SUITES); | |
5393 | if (err) | |
5394 | return err; | |
5395 | ||
1b658f11 VT |
5396 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
5397 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) | |
5398 | return -EOPNOTSUPP; | |
5399 | params.inactivity_timeout = nla_get_u16( | |
5400 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); | |
5401 | } | |
5402 | ||
53cabad7 JB |
5403 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
5404 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5405 | return -EINVAL; | |
5406 | params.p2p_ctwindow = | |
5407 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
53cabad7 JB |
5408 | if (params.p2p_ctwindow != 0 && |
5409 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
5410 | return -EINVAL; | |
5411 | } | |
5412 | ||
5413 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
5414 | u8 tmp; | |
5415 | ||
5416 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5417 | return -EINVAL; | |
5418 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
53cabad7 JB |
5419 | params.p2p_opp_ps = tmp; |
5420 | if (params.p2p_opp_ps != 0 && | |
5421 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
5422 | return -EINVAL; | |
5423 | } | |
5424 | ||
aa430da4 | 5425 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
5426 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
5427 | if (err) | |
5428 | return err; | |
5429 | } else if (wdev->preset_chandef.chan) { | |
5430 | params.chandef = wdev->preset_chandef; | |
46c1dd0c | 5431 | } else if (!nl80211_get_ap_channel(rdev, ¶ms)) |
aa430da4 JB |
5432 | return -EINVAL; |
5433 | ||
923b352f AN |
5434 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, |
5435 | wdev->iftype)) | |
aa430da4 JB |
5436 | return -EINVAL; |
5437 | ||
a7c7fbff | 5438 | if (info->attrs[NL80211_ATTR_TX_RATES]) { |
9a5f6488 TC |
5439 | err = nl80211_parse_tx_bitrate_mask(info, info->attrs, |
5440 | NL80211_ATTR_TX_RATES, | |
eb89a6a6 | 5441 | ¶ms.beacon_rate, |
857b34c4 | 5442 | dev, false); |
a7c7fbff PK |
5443 | if (err) |
5444 | return err; | |
5445 | ||
8564e382 JB |
5446 | err = validate_beacon_tx_rate(rdev, params.chandef.chan->band, |
5447 | ¶ms.beacon_rate); | |
a7c7fbff PK |
5448 | if (err) |
5449 | return err; | |
5450 | } | |
5451 | ||
18998c38 EP |
5452 | if (info->attrs[NL80211_ATTR_SMPS_MODE]) { |
5453 | params.smps_mode = | |
5454 | nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]); | |
5455 | switch (params.smps_mode) { | |
5456 | case NL80211_SMPS_OFF: | |
5457 | break; | |
5458 | case NL80211_SMPS_STATIC: | |
5459 | if (!(rdev->wiphy.features & | |
5460 | NL80211_FEATURE_STATIC_SMPS)) | |
5461 | return -EINVAL; | |
5462 | break; | |
5463 | case NL80211_SMPS_DYNAMIC: | |
5464 | if (!(rdev->wiphy.features & | |
5465 | NL80211_FEATURE_DYNAMIC_SMPS)) | |
5466 | return -EINVAL; | |
5467 | break; | |
5468 | default: | |
5469 | return -EINVAL; | |
5470 | } | |
5471 | } else { | |
5472 | params.smps_mode = NL80211_SMPS_OFF; | |
5473 | } | |
5474 | ||
6e8ef842 PK |
5475 | params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]); |
5476 | if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) | |
5477 | return -EOPNOTSUPP; | |
5478 | ||
4baf6bea OO |
5479 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
5480 | params.acl = parse_acl_data(&rdev->wiphy, info); | |
5481 | if (IS_ERR(params.acl)) | |
5482 | return PTR_ERR(params.acl); | |
5483 | } | |
5484 | ||
a0de1ca3 JC |
5485 | params.twt_responder = |
5486 | nla_get_flag(info->attrs[NL80211_ATTR_TWT_RESPONDER]); | |
5487 | ||
796e90f4 JC |
5488 | if (info->attrs[NL80211_ATTR_HE_OBSS_PD]) { |
5489 | err = nl80211_parse_he_obss_pd( | |
5490 | info->attrs[NL80211_ATTR_HE_OBSS_PD], | |
5491 | ¶ms.he_obss_pd); | |
bc7a39b4 LC |
5492 | if (err) |
5493 | goto out; | |
796e90f4 JC |
5494 | } |
5495 | ||
5c5e52d1 JC |
5496 | if (info->attrs[NL80211_ATTR_HE_BSS_COLOR]) { |
5497 | err = nl80211_parse_he_bss_color( | |
5498 | info->attrs[NL80211_ATTR_HE_BSS_COLOR], | |
5499 | ¶ms.he_bss_color); | |
5500 | if (err) | |
60a0121f | 5501 | goto out; |
5c5e52d1 JC |
5502 | } |
5503 | ||
291c49de AD |
5504 | if (info->attrs[NL80211_ATTR_FILS_DISCOVERY]) { |
5505 | err = nl80211_parse_fils_discovery(rdev, | |
5506 | info->attrs[NL80211_ATTR_FILS_DISCOVERY], | |
5507 | ¶ms); | |
5508 | if (err) | |
5509 | goto out; | |
5510 | } | |
5511 | ||
7443dcd1 AD |
5512 | if (info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP]) { |
5513 | err = nl80211_parse_unsol_bcast_probe_resp( | |
5514 | rdev, info->attrs[NL80211_ATTR_UNSOL_BCAST_PROBE_RESP], | |
5515 | ¶ms); | |
5516 | if (err) | |
abaf94ec | 5517 | goto out; |
7443dcd1 AD |
5518 | } |
5519 | ||
66cd794e JB |
5520 | nl80211_calculate_ap_params(¶ms); |
5521 | ||
fe494370 SD |
5522 | if (info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT]) |
5523 | params.flags |= AP_SETTINGS_EXTERNAL_AUTH_SUPPORT; | |
5524 | ||
c56589ed | 5525 | wdev_lock(wdev); |
e35e4d28 | 5526 | err = rdev_start_ap(rdev, dev, ¶ms); |
46c1dd0c | 5527 | if (!err) { |
683b6d3b | 5528 | wdev->preset_chandef = params.chandef; |
8860020e | 5529 | wdev->beacon_interval = params.beacon_interval; |
9e0e2961 | 5530 | wdev->chandef = params.chandef; |
06e191e2 AQ |
5531 | wdev->ssid_len = params.ssid_len; |
5532 | memcpy(wdev->ssid, params.ssid, wdev->ssid_len); | |
466a3061 DK |
5533 | |
5534 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) | |
5535 | wdev->conn_owner_nlportid = info->snd_portid; | |
46c1dd0c | 5536 | } |
c56589ed | 5537 | wdev_unlock(wdev); |
77765eaf | 5538 | |
9951ebfc | 5539 | out: |
77765eaf VT |
5540 | kfree(params.acl); |
5541 | ||
56d1893d | 5542 | return err; |
ed1b6cc7 JB |
5543 | } |
5544 | ||
8860020e JB |
5545 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
5546 | { | |
5547 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5548 | struct net_device *dev = info->user_ptr[1]; | |
5549 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
5550 | struct cfg80211_beacon_data params; | |
5551 | int err; | |
5552 | ||
5553 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
5554 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5555 | return -EOPNOTSUPP; | |
5556 | ||
5557 | if (!rdev->ops->change_beacon) | |
5558 | return -EOPNOTSUPP; | |
5559 | ||
5560 | if (!wdev->beacon_interval) | |
5561 | return -EINVAL; | |
5562 | ||
81e54d08 | 5563 | err = nl80211_parse_beacon(rdev, info->attrs, ¶ms); |
8860020e JB |
5564 | if (err) |
5565 | return err; | |
5566 | ||
c56589ed SW |
5567 | wdev_lock(wdev); |
5568 | err = rdev_change_beacon(rdev, dev, ¶ms); | |
5569 | wdev_unlock(wdev); | |
5570 | ||
5571 | return err; | |
8860020e JB |
5572 | } |
5573 | ||
5574 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 5575 | { |
4c476991 JB |
5576 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5577 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 5578 | |
7c8d5e03 | 5579 | return cfg80211_stop_ap(rdev, dev, false); |
ed1b6cc7 JB |
5580 | } |
5581 | ||
5727ef1b JB |
5582 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
5583 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
5584 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
5585 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 5586 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 5587 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 5588 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
5589 | }; |
5590 | ||
eccb8e8f | 5591 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 5592 | enum nl80211_iftype iftype, |
eccb8e8f | 5593 | struct station_parameters *params) |
5727ef1b JB |
5594 | { |
5595 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 5596 | struct nlattr *nla; |
5727ef1b JB |
5597 | int flag; |
5598 | ||
eccb8e8f JB |
5599 | /* |
5600 | * Try parsing the new attribute first so userspace | |
5601 | * can specify both for older kernels. | |
5602 | */ | |
5603 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
5604 | if (nla) { | |
5605 | struct nl80211_sta_flag_update *sta_flags; | |
5606 | ||
5607 | sta_flags = nla_data(nla); | |
5608 | params->sta_flags_mask = sta_flags->mask; | |
5609 | params->sta_flags_set = sta_flags->set; | |
77ee7c89 | 5610 | params->sta_flags_set &= params->sta_flags_mask; |
eccb8e8f JB |
5611 | if ((params->sta_flags_mask | |
5612 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
5613 | return -EINVAL; | |
5614 | return 0; | |
5615 | } | |
5616 | ||
5617 | /* if present, parse the old attribute */ | |
5727ef1b | 5618 | |
eccb8e8f | 5619 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
5620 | if (!nla) |
5621 | return 0; | |
5622 | ||
8cb08174 | 5623 | if (nla_parse_nested_deprecated(flags, NL80211_STA_FLAG_MAX, nla, sta_flags_policy, info->extack)) |
5727ef1b JB |
5624 | return -EINVAL; |
5625 | ||
bdd3ae3d JB |
5626 | /* |
5627 | * Only allow certain flags for interface types so that | |
5628 | * other attributes are silently ignored. Remember that | |
5629 | * this is backward compatibility code with old userspace | |
5630 | * and shouldn't be hit in other cases anyway. | |
5631 | */ | |
5632 | switch (iftype) { | |
5633 | case NL80211_IFTYPE_AP: | |
5634 | case NL80211_IFTYPE_AP_VLAN: | |
5635 | case NL80211_IFTYPE_P2P_GO: | |
5636 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
5637 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
5638 | BIT(NL80211_STA_FLAG_WME) | | |
5639 | BIT(NL80211_STA_FLAG_MFP); | |
5640 | break; | |
5641 | case NL80211_IFTYPE_P2P_CLIENT: | |
5642 | case NL80211_IFTYPE_STATION: | |
5643 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
5644 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
5645 | break; | |
5646 | case NL80211_IFTYPE_MESH_POINT: | |
5647 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
5648 | BIT(NL80211_STA_FLAG_MFP) | | |
5649 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
5cf3006c | 5650 | break; |
bdd3ae3d JB |
5651 | default: |
5652 | return -EINVAL; | |
5653 | } | |
5727ef1b | 5654 | |
3383b5a6 JB |
5655 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) { |
5656 | if (flags[flag]) { | |
eccb8e8f | 5657 | params->sta_flags_set |= (1<<flag); |
5727ef1b | 5658 | |
3383b5a6 JB |
5659 | /* no longer support new API additions in old API */ |
5660 | if (flag > NL80211_STA_FLAG_MAX_OLD_API) | |
5661 | return -EINVAL; | |
5662 | } | |
5663 | } | |
5664 | ||
5727ef1b JB |
5665 | return 0; |
5666 | } | |
5667 | ||
9bb7e0f2 | 5668 | bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, int attr) |
c8dcfd8a FF |
5669 | { |
5670 | struct nlattr *rate; | |
8eb41c8d VK |
5671 | u32 bitrate; |
5672 | u16 bitrate_compat; | |
bbf67e45 | 5673 | enum nl80211_rate_info rate_flg; |
c8dcfd8a | 5674 | |
ae0be8de | 5675 | rate = nla_nest_start_noflag(msg, attr); |
c8dcfd8a | 5676 | if (!rate) |
db9c64cf | 5677 | return false; |
c8dcfd8a FF |
5678 | |
5679 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
5680 | bitrate = cfg80211_calculate_bitrate(info); | |
8eb41c8d VK |
5681 | /* report 16-bit bitrate only if we can */ |
5682 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; | |
db9c64cf JB |
5683 | if (bitrate > 0 && |
5684 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) | |
5685 | return false; | |
5686 | if (bitrate_compat > 0 && | |
5687 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) | |
5688 | return false; | |
5689 | ||
b51f3bee JB |
5690 | switch (info->bw) { |
5691 | case RATE_INFO_BW_5: | |
5692 | rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH; | |
5693 | break; | |
5694 | case RATE_INFO_BW_10: | |
5695 | rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH; | |
5696 | break; | |
5697 | default: | |
5698 | WARN_ON(1); | |
7b506ff6 | 5699 | fallthrough; |
b51f3bee JB |
5700 | case RATE_INFO_BW_20: |
5701 | rate_flg = 0; | |
5702 | break; | |
5703 | case RATE_INFO_BW_40: | |
5704 | rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH; | |
5705 | break; | |
5706 | case RATE_INFO_BW_80: | |
5707 | rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH; | |
5708 | break; | |
5709 | case RATE_INFO_BW_160: | |
5710 | rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH; | |
5711 | break; | |
c4cbaf79 LC |
5712 | case RATE_INFO_BW_HE_RU: |
5713 | rate_flg = 0; | |
5714 | WARN_ON(!(info->flags & RATE_INFO_FLAGS_HE_MCS)); | |
b51f3bee JB |
5715 | } |
5716 | ||
5717 | if (rate_flg && nla_put_flag(msg, rate_flg)) | |
5718 | return false; | |
5719 | ||
db9c64cf JB |
5720 | if (info->flags & RATE_INFO_FLAGS_MCS) { |
5721 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) | |
5722 | return false; | |
db9c64cf JB |
5723 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && |
5724 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
5725 | return false; | |
5726 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { | |
5727 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) | |
5728 | return false; | |
5729 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) | |
5730 | return false; | |
db9c64cf JB |
5731 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && |
5732 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
5733 | return false; | |
c4cbaf79 LC |
5734 | } else if (info->flags & RATE_INFO_FLAGS_HE_MCS) { |
5735 | if (nla_put_u8(msg, NL80211_RATE_INFO_HE_MCS, info->mcs)) | |
5736 | return false; | |
5737 | if (nla_put_u8(msg, NL80211_RATE_INFO_HE_NSS, info->nss)) | |
5738 | return false; | |
5739 | if (nla_put_u8(msg, NL80211_RATE_INFO_HE_GI, info->he_gi)) | |
5740 | return false; | |
5741 | if (nla_put_u8(msg, NL80211_RATE_INFO_HE_DCM, info->he_dcm)) | |
5742 | return false; | |
5743 | if (info->bw == RATE_INFO_BW_HE_RU && | |
5744 | nla_put_u8(msg, NL80211_RATE_INFO_HE_RU_ALLOC, | |
5745 | info->he_ru_alloc)) | |
5746 | return false; | |
db9c64cf | 5747 | } |
c8dcfd8a FF |
5748 | |
5749 | nla_nest_end(msg, rate); | |
5750 | return true; | |
c8dcfd8a FF |
5751 | } |
5752 | ||
119363c7 FF |
5753 | static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, |
5754 | int id) | |
5755 | { | |
5756 | void *attr; | |
5757 | int i = 0; | |
5758 | ||
5759 | if (!mask) | |
5760 | return true; | |
5761 | ||
ae0be8de | 5762 | attr = nla_nest_start_noflag(msg, id); |
119363c7 FF |
5763 | if (!attr) |
5764 | return false; | |
5765 | ||
5766 | for (i = 0; i < IEEE80211_MAX_CHAINS; i++) { | |
5767 | if (!(mask & BIT(i))) | |
5768 | continue; | |
5769 | ||
5770 | if (nla_put_u8(msg, i, signal[i])) | |
5771 | return false; | |
5772 | } | |
5773 | ||
5774 | nla_nest_end(msg, attr); | |
5775 | ||
5776 | return true; | |
5777 | } | |
5778 | ||
cf5ead82 JB |
5779 | static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid, |
5780 | u32 seq, int flags, | |
66266b3a JL |
5781 | struct cfg80211_registered_device *rdev, |
5782 | struct net_device *dev, | |
98b62183 | 5783 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
5784 | { |
5785 | void *hdr; | |
f4263c98 | 5786 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc | 5787 | |
cf5ead82 | 5788 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
f77bf486 AS |
5789 | if (!hdr) { |
5790 | cfg80211_sinfo_release_content(sinfo); | |
fd5b74dc | 5791 | return -1; |
f77bf486 | 5792 | } |
fd5b74dc | 5793 | |
9360ffd1 DM |
5794 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
5795 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
5796 | nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation)) | |
5797 | goto nla_put_failure; | |
f5ea9120 | 5798 | |
ae0be8de | 5799 | sinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_STA_INFO); |
2ec600d6 | 5800 | if (!sinfoattr) |
fd5b74dc | 5801 | goto nla_put_failure; |
319090bf JB |
5802 | |
5803 | #define PUT_SINFO(attr, memb, type) do { \ | |
d686b920 | 5804 | BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \ |
397c657a | 5805 | if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \ |
319090bf JB |
5806 | nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \ |
5807 | sinfo->memb)) \ | |
5808 | goto nla_put_failure; \ | |
5809 | } while (0) | |
d686b920 | 5810 | #define PUT_SINFO_U64(attr, memb) do { \ |
397c657a | 5811 | if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_ ## attr) && \ |
d686b920 JB |
5812 | nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \ |
5813 | sinfo->memb, NL80211_STA_INFO_PAD)) \ | |
5814 | goto nla_put_failure; \ | |
5815 | } while (0) | |
319090bf JB |
5816 | |
5817 | PUT_SINFO(CONNECTED_TIME, connected_time, u32); | |
5818 | PUT_SINFO(INACTIVE_TIME, inactive_time, u32); | |
6c7a0033 | 5819 | PUT_SINFO_U64(ASSOC_AT_BOOTTIME, assoc_at); |
319090bf | 5820 | |
397c657a OE |
5821 | if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_RX_BYTES) | |
5822 | BIT_ULL(NL80211_STA_INFO_RX_BYTES64)) && | |
9360ffd1 | 5823 | nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, |
42745e03 | 5824 | (u32)sinfo->rx_bytes)) |
9360ffd1 | 5825 | goto nla_put_failure; |
319090bf | 5826 | |
397c657a OE |
5827 | if (sinfo->filled & (BIT_ULL(NL80211_STA_INFO_TX_BYTES) | |
5828 | BIT_ULL(NL80211_STA_INFO_TX_BYTES64)) && | |
9360ffd1 | 5829 | nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, |
42745e03 VK |
5830 | (u32)sinfo->tx_bytes)) |
5831 | goto nla_put_failure; | |
319090bf | 5832 | |
d686b920 JB |
5833 | PUT_SINFO_U64(RX_BYTES64, rx_bytes); |
5834 | PUT_SINFO_U64(TX_BYTES64, tx_bytes); | |
319090bf JB |
5835 | PUT_SINFO(LLID, llid, u16); |
5836 | PUT_SINFO(PLID, plid, u16); | |
5837 | PUT_SINFO(PLINK_STATE, plink_state, u8); | |
d686b920 | 5838 | PUT_SINFO_U64(RX_DURATION, rx_duration); |
36647055 THJ |
5839 | PUT_SINFO_U64(TX_DURATION, tx_duration); |
5840 | ||
5841 | if (wiphy_ext_feature_isset(&rdev->wiphy, | |
5842 | NL80211_EXT_FEATURE_AIRTIME_FAIRNESS)) | |
5843 | PUT_SINFO(AIRTIME_WEIGHT, airtime_weight, u16); | |
319090bf | 5844 | |
66266b3a JL |
5845 | switch (rdev->wiphy.signal_type) { |
5846 | case CFG80211_SIGNAL_TYPE_MBM: | |
319090bf JB |
5847 | PUT_SINFO(SIGNAL, signal, u8); |
5848 | PUT_SINFO(SIGNAL_AVG, signal_avg, u8); | |
66266b3a JL |
5849 | break; |
5850 | default: | |
5851 | break; | |
5852 | } | |
397c657a | 5853 | if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL)) { |
119363c7 FF |
5854 | if (!nl80211_put_signal(msg, sinfo->chains, |
5855 | sinfo->chain_signal, | |
5856 | NL80211_STA_INFO_CHAIN_SIGNAL)) | |
5857 | goto nla_put_failure; | |
5858 | } | |
397c657a | 5859 | if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) { |
119363c7 FF |
5860 | if (!nl80211_put_signal(msg, sinfo->chains, |
5861 | sinfo->chain_signal_avg, | |
5862 | NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) | |
5863 | goto nla_put_failure; | |
5864 | } | |
397c657a | 5865 | if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_TX_BITRATE)) { |
c8dcfd8a FF |
5866 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
5867 | NL80211_STA_INFO_TX_BITRATE)) | |
5868 | goto nla_put_failure; | |
5869 | } | |
397c657a | 5870 | if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_RX_BITRATE)) { |
c8dcfd8a FF |
5871 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, |
5872 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 5873 | goto nla_put_failure; |
420e7fab | 5874 | } |
319090bf JB |
5875 | |
5876 | PUT_SINFO(RX_PACKETS, rx_packets, u32); | |
5877 | PUT_SINFO(TX_PACKETS, tx_packets, u32); | |
5878 | PUT_SINFO(TX_RETRIES, tx_retries, u32); | |
5879 | PUT_SINFO(TX_FAILED, tx_failed, u32); | |
5880 | PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32); | |
ab60633c | 5881 | PUT_SINFO(AIRTIME_LINK_METRIC, airtime_link_metric, u32); |
319090bf JB |
5882 | PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32); |
5883 | PUT_SINFO(LOCAL_PM, local_pm, u32); | |
5884 | PUT_SINFO(PEER_PM, peer_pm, u32); | |
5885 | PUT_SINFO(NONPEER_PM, nonpeer_pm, u32); | |
dbdaee7a | 5886 | PUT_SINFO(CONNECTED_TO_GATE, connected_to_gate, u8); |
1303a51c | 5887 | PUT_SINFO(CONNECTED_TO_AS, connected_to_as, u8); |
319090bf | 5888 | |
397c657a | 5889 | if (sinfo->filled & BIT_ULL(NL80211_STA_INFO_BSS_PARAM)) { |
ae0be8de MK |
5890 | bss_param = nla_nest_start_noflag(msg, |
5891 | NL80211_STA_INFO_BSS_PARAM); | |
f4263c98 PS |
5892 | if (!bss_param) |
5893 | goto nla_put_failure; | |
5894 | ||
9360ffd1 DM |
5895 | if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) && |
5896 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || | |
5897 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) && | |
5898 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || | |
5899 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && | |
5900 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || | |
5901 | nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
5902 | sinfo->bss_param.dtim_period) || | |
5903 | nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
5904 | sinfo->bss_param.beacon_interval)) | |
5905 | goto nla_put_failure; | |
f4263c98 PS |
5906 | |
5907 | nla_nest_end(msg, bss_param); | |
5908 | } | |
397c657a | 5909 | if ((sinfo->filled & BIT_ULL(NL80211_STA_INFO_STA_FLAGS)) && |
9360ffd1 DM |
5910 | nla_put(msg, NL80211_STA_INFO_STA_FLAGS, |
5911 | sizeof(struct nl80211_sta_flag_update), | |
5912 | &sinfo->sta_flags)) | |
5913 | goto nla_put_failure; | |
319090bf | 5914 | |
d686b920 JB |
5915 | PUT_SINFO_U64(T_OFFSET, t_offset); |
5916 | PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc); | |
5917 | PUT_SINFO_U64(BEACON_RX, rx_beacon); | |
a76b1942 | 5918 | PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8); |
0d4e14a3 AB |
5919 | PUT_SINFO(RX_MPDUS, rx_mpdu_count, u32); |
5920 | PUT_SINFO(FCS_ERROR_COUNT, fcs_err_count, u32); | |
81d5439d | 5921 | if (wiphy_ext_feature_isset(&rdev->wiphy, |
9c06602b BP |
5922 | NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT)) { |
5923 | PUT_SINFO(ACK_SIGNAL, ack_signal, u8); | |
5924 | PUT_SINFO(ACK_SIGNAL_AVG, avg_ack_signal, s8); | |
5925 | } | |
319090bf JB |
5926 | |
5927 | #undef PUT_SINFO | |
d686b920 | 5928 | #undef PUT_SINFO_U64 |
6de39808 | 5929 | |
8689c051 | 5930 | if (sinfo->pertid) { |
6de39808 JB |
5931 | struct nlattr *tidsattr; |
5932 | int tid; | |
5933 | ||
ae0be8de MK |
5934 | tidsattr = nla_nest_start_noflag(msg, |
5935 | NL80211_STA_INFO_TID_STATS); | |
6de39808 JB |
5936 | if (!tidsattr) |
5937 | goto nla_put_failure; | |
5938 | ||
5939 | for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) { | |
5940 | struct cfg80211_tid_stats *tidstats; | |
5941 | struct nlattr *tidattr; | |
5942 | ||
5943 | tidstats = &sinfo->pertid[tid]; | |
5944 | ||
5945 | if (!tidstats->filled) | |
5946 | continue; | |
5947 | ||
ae0be8de | 5948 | tidattr = nla_nest_start_noflag(msg, tid + 1); |
6de39808 JB |
5949 | if (!tidattr) |
5950 | goto nla_put_failure; | |
5951 | ||
d686b920 | 5952 | #define PUT_TIDVAL_U64(attr, memb) do { \ |
6de39808 | 5953 | if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \ |
d686b920 JB |
5954 | nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \ |
5955 | tidstats->memb, NL80211_TID_STATS_PAD)) \ | |
6de39808 JB |
5956 | goto nla_put_failure; \ |
5957 | } while (0) | |
5958 | ||
d686b920 JB |
5959 | PUT_TIDVAL_U64(RX_MSDU, rx_msdu); |
5960 | PUT_TIDVAL_U64(TX_MSDU, tx_msdu); | |
5961 | PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries); | |
5962 | PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed); | |
6de39808 | 5963 | |
d686b920 | 5964 | #undef PUT_TIDVAL_U64 |
52539ca8 THJ |
5965 | if ((tidstats->filled & |
5966 | BIT(NL80211_TID_STATS_TXQ_STATS)) && | |
5967 | !nl80211_put_txq_stats(msg, &tidstats->txq_stats, | |
5968 | NL80211_TID_STATS_TXQ_STATS)) | |
5969 | goto nla_put_failure; | |
5970 | ||
6de39808 JB |
5971 | nla_nest_end(msg, tidattr); |
5972 | } | |
5973 | ||
5974 | nla_nest_end(msg, tidsattr); | |
5975 | } | |
5976 | ||
2ec600d6 | 5977 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 5978 | |
319090bf | 5979 | if (sinfo->assoc_req_ies_len && |
9360ffd1 DM |
5980 | nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, |
5981 | sinfo->assoc_req_ies)) | |
5982 | goto nla_put_failure; | |
50d3dfb7 | 5983 | |
7ea3e110 | 5984 | cfg80211_sinfo_release_content(sinfo); |
053c095a JB |
5985 | genlmsg_end(msg, hdr); |
5986 | return 0; | |
fd5b74dc JB |
5987 | |
5988 | nla_put_failure: | |
7ea3e110 | 5989 | cfg80211_sinfo_release_content(sinfo); |
bc3ed28c TG |
5990 | genlmsg_cancel(msg, hdr); |
5991 | return -EMSGSIZE; | |
fd5b74dc JB |
5992 | } |
5993 | ||
2ec600d6 | 5994 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 5995 | struct netlink_callback *cb) |
2ec600d6 | 5996 | { |
73887fd9 | 5997 | struct station_info sinfo; |
1b8ec87a | 5998 | struct cfg80211_registered_device *rdev; |
97990a06 | 5999 | struct wireless_dev *wdev; |
2ec600d6 | 6000 | u8 mac_addr[ETH_ALEN]; |
97990a06 | 6001 | int sta_idx = cb->args[2]; |
2ec600d6 | 6002 | int err; |
2ec600d6 | 6003 | |
5297c65c | 6004 | err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev); |
67748893 | 6005 | if (err) |
a05829a7 JB |
6006 | return err; |
6007 | /* nl80211_prepare_wdev_dump acquired it in the successful case */ | |
6008 | __acquire(&rdev->wiphy.mtx); | |
bba95fef | 6009 | |
97990a06 JB |
6010 | if (!wdev->netdev) { |
6011 | err = -EINVAL; | |
6012 | goto out_err; | |
6013 | } | |
6014 | ||
1b8ec87a | 6015 | if (!rdev->ops->dump_station) { |
eec60b03 | 6016 | err = -EOPNOTSUPP; |
bba95fef JB |
6017 | goto out_err; |
6018 | } | |
6019 | ||
bba95fef | 6020 | while (1) { |
73887fd9 | 6021 | memset(&sinfo, 0, sizeof(sinfo)); |
1b8ec87a | 6022 | err = rdev_dump_station(rdev, wdev->netdev, sta_idx, |
73887fd9 | 6023 | mac_addr, &sinfo); |
bba95fef JB |
6024 | if (err == -ENOENT) |
6025 | break; | |
6026 | if (err) | |
3b85875a | 6027 | goto out_err; |
bba95fef | 6028 | |
cf5ead82 | 6029 | if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION, |
15e47304 | 6030 | NETLINK_CB(cb->skb).portid, |
bba95fef | 6031 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
1b8ec87a | 6032 | rdev, wdev->netdev, mac_addr, |
73887fd9 | 6033 | &sinfo) < 0) |
bba95fef JB |
6034 | goto out; |
6035 | ||
6036 | sta_idx++; | |
6037 | } | |
6038 | ||
bba95fef | 6039 | out: |
97990a06 | 6040 | cb->args[2] = sta_idx; |
bba95fef | 6041 | err = skb->len; |
bba95fef | 6042 | out_err: |
a05829a7 | 6043 | wiphy_unlock(&rdev->wiphy); |
bba95fef JB |
6044 | |
6045 | return err; | |
2ec600d6 | 6046 | } |
fd5b74dc | 6047 | |
5727ef1b JB |
6048 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
6049 | { | |
4c476991 JB |
6050 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6051 | struct net_device *dev = info->user_ptr[1]; | |
73887fd9 | 6052 | struct station_info sinfo; |
fd5b74dc JB |
6053 | struct sk_buff *msg; |
6054 | u8 *mac_addr = NULL; | |
4c476991 | 6055 | int err; |
fd5b74dc | 6056 | |
73887fd9 | 6057 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc | 6058 | |
73887fd9 JB |
6059 | if (!info->attrs[NL80211_ATTR_MAC]) |
6060 | return -EINVAL; | |
fd5b74dc JB |
6061 | |
6062 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
6063 | ||
73887fd9 JB |
6064 | if (!rdev->ops->get_station) |
6065 | return -EOPNOTSUPP; | |
3b85875a | 6066 | |
73887fd9 | 6067 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
fd5b74dc | 6068 | if (err) |
73887fd9 | 6069 | return err; |
2ec600d6 | 6070 | |
fd2120ca | 6071 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
7ea3e110 | 6072 | if (!msg) { |
ba8f566a | 6073 | cfg80211_sinfo_release_content(&sinfo); |
73887fd9 | 6074 | return -ENOMEM; |
7ea3e110 | 6075 | } |
fd5b74dc | 6076 | |
cf5ead82 JB |
6077 | if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, |
6078 | info->snd_portid, info->snd_seq, 0, | |
73887fd9 | 6079 | rdev, dev, mac_addr, &sinfo) < 0) { |
4c476991 | 6080 | nlmsg_free(msg); |
73887fd9 | 6081 | return -ENOBUFS; |
4c476991 | 6082 | } |
3b85875a | 6083 | |
73887fd9 | 6084 | return genlmsg_reply(msg, info); |
5727ef1b JB |
6085 | } |
6086 | ||
77ee7c89 JB |
6087 | int cfg80211_check_station_change(struct wiphy *wiphy, |
6088 | struct station_parameters *params, | |
6089 | enum cfg80211_station_type statype) | |
6090 | { | |
e4208427 AB |
6091 | if (params->listen_interval != -1 && |
6092 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
77ee7c89 | 6093 | return -EINVAL; |
e4208427 | 6094 | |
17b94247 AB |
6095 | if (params->support_p2p_ps != -1 && |
6096 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
6097 | return -EINVAL; | |
6098 | ||
c72e1140 | 6099 | if (params->aid && |
e4208427 AB |
6100 | !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) && |
6101 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
77ee7c89 JB |
6102 | return -EINVAL; |
6103 | ||
6104 | /* When you run into this, adjust the code below for the new flag */ | |
6105 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
6106 | ||
6107 | switch (statype) { | |
eef941e6 TP |
6108 | case CFG80211_STA_MESH_PEER_KERNEL: |
6109 | case CFG80211_STA_MESH_PEER_USER: | |
77ee7c89 JB |
6110 | /* |
6111 | * No ignoring the TDLS flag here -- the userspace mesh | |
6112 | * code doesn't have the bug of including TDLS in the | |
6113 | * mask everywhere. | |
6114 | */ | |
6115 | if (params->sta_flags_mask & | |
6116 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
6117 | BIT(NL80211_STA_FLAG_MFP) | | |
6118 | BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
6119 | return -EINVAL; | |
6120 | break; | |
6121 | case CFG80211_STA_TDLS_PEER_SETUP: | |
6122 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
6123 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
6124 | return -EINVAL; | |
6125 | /* ignore since it can't change */ | |
6126 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
6127 | break; | |
6128 | default: | |
6129 | /* disallow mesh-specific things */ | |
6130 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) | |
6131 | return -EINVAL; | |
6132 | if (params->local_pm) | |
6133 | return -EINVAL; | |
6134 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) | |
6135 | return -EINVAL; | |
6136 | } | |
6137 | ||
6138 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && | |
6139 | statype != CFG80211_STA_TDLS_PEER_ACTIVE) { | |
6140 | /* TDLS can't be set, ... */ | |
6141 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
6142 | return -EINVAL; | |
6143 | /* | |
6144 | * ... but don't bother the driver with it. This works around | |
6145 | * a hostapd/wpa_supplicant issue -- it always includes the | |
6146 | * TLDS_PEER flag in the mask even for AP mode. | |
6147 | */ | |
6148 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
6149 | } | |
6150 | ||
47edb11b AB |
6151 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && |
6152 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) { | |
77ee7c89 JB |
6153 | /* reject other things that can't change */ |
6154 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) | |
6155 | return -EINVAL; | |
6156 | if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY) | |
6157 | return -EINVAL; | |
6158 | if (params->supported_rates) | |
6159 | return -EINVAL; | |
c4cbaf79 LC |
6160 | if (params->ext_capab || params->ht_capa || params->vht_capa || |
6161 | params->he_capa) | |
77ee7c89 JB |
6162 | return -EINVAL; |
6163 | } | |
6164 | ||
47edb11b AB |
6165 | if (statype != CFG80211_STA_AP_CLIENT && |
6166 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) { | |
77ee7c89 JB |
6167 | if (params->vlan) |
6168 | return -EINVAL; | |
6169 | } | |
6170 | ||
6171 | switch (statype) { | |
6172 | case CFG80211_STA_AP_MLME_CLIENT: | |
6173 | /* Use this only for authorizing/unauthorizing a station */ | |
6174 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
6175 | return -EOPNOTSUPP; | |
6176 | break; | |
6177 | case CFG80211_STA_AP_CLIENT: | |
47edb11b | 6178 | case CFG80211_STA_AP_CLIENT_UNASSOC: |
77ee7c89 JB |
6179 | /* accept only the listed bits */ |
6180 | if (params->sta_flags_mask & | |
6181 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
6182 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
6183 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
6184 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
6185 | BIT(NL80211_STA_FLAG_WME) | | |
6186 | BIT(NL80211_STA_FLAG_MFP))) | |
6187 | return -EINVAL; | |
6188 | ||
6189 | /* but authenticated/associated only if driver handles it */ | |
6190 | if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
6191 | params->sta_flags_mask & | |
6192 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
6193 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
6194 | return -EINVAL; | |
6195 | break; | |
6196 | case CFG80211_STA_IBSS: | |
6197 | case CFG80211_STA_AP_STA: | |
6198 | /* reject any changes other than AUTHORIZED */ | |
6199 | if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
6200 | return -EINVAL; | |
6201 | break; | |
6202 | case CFG80211_STA_TDLS_PEER_SETUP: | |
6203 | /* reject any changes other than AUTHORIZED or WME */ | |
6204 | if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
6205 | BIT(NL80211_STA_FLAG_WME))) | |
6206 | return -EINVAL; | |
6207 | /* force (at least) rates when authorizing */ | |
6208 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) && | |
6209 | !params->supported_rates) | |
6210 | return -EINVAL; | |
6211 | break; | |
6212 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
6213 | /* reject any changes */ | |
6214 | return -EINVAL; | |
eef941e6 | 6215 | case CFG80211_STA_MESH_PEER_KERNEL: |
77ee7c89 JB |
6216 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) |
6217 | return -EINVAL; | |
6218 | break; | |
eef941e6 | 6219 | case CFG80211_STA_MESH_PEER_USER: |
42925040 CYY |
6220 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION && |
6221 | params->plink_action != NL80211_PLINK_ACTION_BLOCK) | |
77ee7c89 JB |
6222 | return -EINVAL; |
6223 | break; | |
6224 | } | |
6225 | ||
06f7c88c BL |
6226 | /* |
6227 | * Older kernel versions ignored this attribute entirely, so don't | |
6228 | * reject attempts to update it but mark it as unused instead so the | |
6229 | * driver won't look at the data. | |
6230 | */ | |
6231 | if (statype != CFG80211_STA_AP_CLIENT_UNASSOC && | |
6232 | statype != CFG80211_STA_TDLS_PEER_SETUP) | |
6233 | params->opmode_notif_used = false; | |
6234 | ||
77ee7c89 JB |
6235 | return 0; |
6236 | } | |
6237 | EXPORT_SYMBOL(cfg80211_check_station_change); | |
6238 | ||
5727ef1b | 6239 | /* |
c258d2de | 6240 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 6241 | */ |
80b99899 JB |
6242 | static struct net_device *get_vlan(struct genl_info *info, |
6243 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 6244 | { |
463d0183 | 6245 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
6246 | struct net_device *v; |
6247 | int ret; | |
6248 | ||
6249 | if (!vlanattr) | |
6250 | return NULL; | |
6251 | ||
6252 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
6253 | if (!v) | |
6254 | return ERR_PTR(-ENODEV); | |
6255 | ||
6256 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
6257 | ret = -EINVAL; | |
6258 | goto error; | |
5727ef1b | 6259 | } |
80b99899 | 6260 | |
77ee7c89 JB |
6261 | if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
6262 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
6263 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
6264 | ret = -EINVAL; | |
6265 | goto error; | |
6266 | } | |
6267 | ||
80b99899 JB |
6268 | if (!netif_running(v)) { |
6269 | ret = -ENETDOWN; | |
6270 | goto error; | |
6271 | } | |
6272 | ||
6273 | return v; | |
6274 | error: | |
6275 | dev_put(v); | |
6276 | return ERR_PTR(ret); | |
5727ef1b JB |
6277 | } |
6278 | ||
94e860f1 JB |
6279 | static const struct nla_policy |
6280 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = { | |
df881293 JM |
6281 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, |
6282 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
6283 | }; | |
6284 | ||
ff276691 JB |
6285 | static int nl80211_parse_sta_wme(struct genl_info *info, |
6286 | struct station_parameters *params) | |
df881293 | 6287 | { |
df881293 JM |
6288 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
6289 | struct nlattr *nla; | |
6290 | int err; | |
6291 | ||
df881293 JM |
6292 | /* parse WME attributes if present */ |
6293 | if (!info->attrs[NL80211_ATTR_STA_WME]) | |
6294 | return 0; | |
6295 | ||
6296 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
8cb08174 JB |
6297 | err = nla_parse_nested_deprecated(tb, NL80211_STA_WME_MAX, nla, |
6298 | nl80211_sta_wme_policy, | |
6299 | info->extack); | |
df881293 JM |
6300 | if (err) |
6301 | return err; | |
6302 | ||
6303 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
6304 | params->uapsd_queues = nla_get_u8( | |
6305 | tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
6306 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
6307 | return -EINVAL; | |
6308 | ||
6309 | if (tb[NL80211_STA_WME_MAX_SP]) | |
6310 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
6311 | ||
6312 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
6313 | return -EINVAL; | |
6314 | ||
6315 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
6316 | ||
6317 | return 0; | |
6318 | } | |
6319 | ||
c01fc9ad SD |
6320 | static int nl80211_parse_sta_channel_info(struct genl_info *info, |
6321 | struct station_parameters *params) | |
6322 | { | |
6323 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) { | |
6324 | params->supported_channels = | |
6325 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
6326 | params->supported_channels_len = | |
6327 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
6328 | /* | |
6329 | * Need to include at least one (first channel, number of | |
cb9abd48 JB |
6330 | * channels) tuple for each subband (checked in policy), |
6331 | * and must have proper tuples for the rest of the data as well. | |
c01fc9ad | 6332 | */ |
c01fc9ad SD |
6333 | if (params->supported_channels_len % 2) |
6334 | return -EINVAL; | |
6335 | } | |
6336 | ||
6337 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) { | |
6338 | params->supported_oper_classes = | |
6339 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
6340 | params->supported_oper_classes_len = | |
6341 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
c01fc9ad SD |
6342 | } |
6343 | return 0; | |
6344 | } | |
6345 | ||
ff276691 JB |
6346 | static int nl80211_set_station_tdls(struct genl_info *info, |
6347 | struct station_parameters *params) | |
6348 | { | |
c01fc9ad | 6349 | int err; |
ff276691 | 6350 | /* Dummy STA entry gets updated once the peer capabilities are known */ |
5e4b6f56 JM |
6351 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
6352 | params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); | |
ff276691 JB |
6353 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
6354 | params->ht_capa = | |
6355 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
6356 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) | |
6357 | params->vht_capa = | |
6358 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
c4cbaf79 LC |
6359 | if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) { |
6360 | params->he_capa = | |
6361 | nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]); | |
6362 | params->he_capa_len = | |
6363 | nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]); | |
c4cbaf79 | 6364 | } |
ff276691 | 6365 | |
c01fc9ad SD |
6366 | err = nl80211_parse_sta_channel_info(info, params); |
6367 | if (err) | |
6368 | return err; | |
6369 | ||
ff276691 JB |
6370 | return nl80211_parse_sta_wme(info, params); |
6371 | } | |
6372 | ||
e96d1cd2 ARN |
6373 | static int nl80211_parse_sta_txpower_setting(struct genl_info *info, |
6374 | struct station_parameters *params) | |
6375 | { | |
6376 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6377 | int idx; | |
6378 | ||
6379 | if (info->attrs[NL80211_ATTR_STA_TX_POWER_SETTING]) { | |
6380 | if (!rdev->ops->set_tx_power || | |
6381 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
6382 | NL80211_EXT_FEATURE_STA_TX_PWR)) | |
6383 | return -EOPNOTSUPP; | |
6384 | ||
6385 | idx = NL80211_ATTR_STA_TX_POWER_SETTING; | |
6386 | params->txpwr.type = nla_get_u8(info->attrs[idx]); | |
6387 | ||
6388 | if (params->txpwr.type == NL80211_TX_POWER_LIMITED) { | |
6389 | idx = NL80211_ATTR_STA_TX_POWER; | |
6390 | ||
6391 | if (info->attrs[idx]) | |
6392 | params->txpwr.power = | |
6393 | nla_get_s16(info->attrs[idx]); | |
6394 | else | |
6395 | return -EINVAL; | |
6396 | } | |
6397 | params->sta_modify_mask |= STATION_PARAM_APPLY_STA_TXPOWER; | |
6398 | } | |
6399 | ||
6400 | return 0; | |
6401 | } | |
6402 | ||
5727ef1b JB |
6403 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
6404 | { | |
4c476991 | 6405 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 6406 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b | 6407 | struct station_parameters params; |
77ee7c89 JB |
6408 | u8 *mac_addr; |
6409 | int err; | |
5727ef1b JB |
6410 | |
6411 | memset(¶ms, 0, sizeof(params)); | |
6412 | ||
77ee7c89 JB |
6413 | if (!rdev->ops->change_station) |
6414 | return -EOPNOTSUPP; | |
6415 | ||
e4208427 AB |
6416 | /* |
6417 | * AID and listen_interval properties can be set only for unassociated | |
6418 | * station. Include these parameters here and will check them in | |
6419 | * cfg80211_check_station_change(). | |
6420 | */ | |
a9bc31e4 AB |
6421 | if (info->attrs[NL80211_ATTR_STA_AID]) |
6422 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
e4208427 | 6423 | |
14f34e36 GG |
6424 | if (info->attrs[NL80211_ATTR_VLAN_ID]) |
6425 | params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]); | |
6426 | ||
e4208427 AB |
6427 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
6428 | params.listen_interval = | |
6429 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
6430 | else | |
6431 | params.listen_interval = -1; | |
5727ef1b | 6432 | |
ab0d76f6 JB |
6433 | if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) |
6434 | params.support_p2p_ps = | |
6435 | nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]); | |
6436 | else | |
17b94247 | 6437 | params.support_p2p_ps = -1; |
17b94247 | 6438 | |
5727ef1b JB |
6439 | if (!info->attrs[NL80211_ATTR_MAC]) |
6440 | return -EINVAL; | |
6441 | ||
6442 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
6443 | ||
6444 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
6445 | params.supported_rates = | |
6446 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
6447 | params.supported_rates_len = | |
6448 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
6449 | } | |
6450 | ||
9d62a986 JM |
6451 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
6452 | params.capability = | |
6453 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
6454 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
6455 | } | |
6456 | ||
6457 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
6458 | params.ext_capab = | |
6459 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
6460 | params.ext_capab_len = | |
6461 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
6462 | } | |
6463 | ||
bdd3ae3d | 6464 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
6465 | return -EINVAL; |
6466 | ||
ab0d76f6 | 6467 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) |
2ec600d6 | 6468 | params.plink_action = |
f8bacc21 | 6469 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
2ec600d6 | 6470 | |
f8bacc21 | 6471 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) { |
9c3990aa | 6472 | params.plink_state = |
f8bacc21 | 6473 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
ab0d76f6 | 6474 | if (info->attrs[NL80211_ATTR_MESH_PEER_AID]) |
7d27a0ba MH |
6475 | params.peer_aid = nla_get_u16( |
6476 | info->attrs[NL80211_ATTR_MESH_PEER_AID]); | |
f8bacc21 JB |
6477 | params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE; |
6478 | } | |
9c3990aa | 6479 | |
ab0d76f6 JB |
6480 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) |
6481 | params.local_pm = nla_get_u32( | |
3b1c5a53 MP |
6482 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); |
6483 | ||
06f7c88c BL |
6484 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
6485 | params.opmode_notif_used = true; | |
6486 | params.opmode_notif = | |
6487 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
6488 | } | |
6489 | ||
43e64bf3 RM |
6490 | if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]) |
6491 | params.he_6ghz_capa = | |
fce2ff72 | 6492 | nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]); |
43e64bf3 | 6493 | |
36647055 THJ |
6494 | if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]) |
6495 | params.airtime_weight = | |
6496 | nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]); | |
6497 | ||
6498 | if (params.airtime_weight && | |
6499 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
6500 | NL80211_EXT_FEATURE_AIRTIME_FAIRNESS)) | |
6501 | return -EOPNOTSUPP; | |
6502 | ||
e96d1cd2 ARN |
6503 | err = nl80211_parse_sta_txpower_setting(info, ¶ms); |
6504 | if (err) | |
6505 | return err; | |
6506 | ||
77ee7c89 JB |
6507 | /* Include parameters for TDLS peer (will check later) */ |
6508 | err = nl80211_set_station_tdls(info, ¶ms); | |
6509 | if (err) | |
6510 | return err; | |
6511 | ||
6512 | params.vlan = get_vlan(info, rdev); | |
6513 | if (IS_ERR(params.vlan)) | |
6514 | return PTR_ERR(params.vlan); | |
6515 | ||
a97f4424 JB |
6516 | switch (dev->ieee80211_ptr->iftype) { |
6517 | case NL80211_IFTYPE_AP: | |
6518 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 6519 | case NL80211_IFTYPE_P2P_GO: |
074ac8df | 6520 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 6521 | case NL80211_IFTYPE_STATION: |
267335d6 | 6522 | case NL80211_IFTYPE_ADHOC: |
a97f4424 | 6523 | case NL80211_IFTYPE_MESH_POINT: |
a97f4424 JB |
6524 | break; |
6525 | default: | |
77ee7c89 JB |
6526 | err = -EOPNOTSUPP; |
6527 | goto out_put_vlan; | |
034d655e JB |
6528 | } |
6529 | ||
77ee7c89 | 6530 | /* driver will call cfg80211_check_station_change() */ |
e35e4d28 | 6531 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 6532 | |
77ee7c89 | 6533 | out_put_vlan: |
1160dfa1 | 6534 | dev_put(params.vlan); |
3b85875a | 6535 | |
5727ef1b JB |
6536 | return err; |
6537 | } | |
6538 | ||
6539 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
6540 | { | |
4c476991 | 6541 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 6542 | int err; |
4c476991 | 6543 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
6544 | struct station_parameters params; |
6545 | u8 *mac_addr = NULL; | |
bda95eb1 JB |
6546 | u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
6547 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
5727ef1b JB |
6548 | |
6549 | memset(¶ms, 0, sizeof(params)); | |
6550 | ||
984c311b JB |
6551 | if (!rdev->ops->add_station) |
6552 | return -EOPNOTSUPP; | |
6553 | ||
5727ef1b JB |
6554 | if (!info->attrs[NL80211_ATTR_MAC]) |
6555 | return -EINVAL; | |
6556 | ||
5727ef1b JB |
6557 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
6558 | return -EINVAL; | |
6559 | ||
6560 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
6561 | return -EINVAL; | |
6562 | ||
5e4b6f56 JM |
6563 | if (!info->attrs[NL80211_ATTR_STA_AID] && |
6564 | !info->attrs[NL80211_ATTR_PEER_AID]) | |
0e956c13 TLSC |
6565 | return -EINVAL; |
6566 | ||
5727ef1b JB |
6567 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
6568 | params.supported_rates = | |
6569 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
6570 | params.supported_rates_len = | |
6571 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
6572 | params.listen_interval = | |
6573 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 6574 | |
14f34e36 GG |
6575 | if (info->attrs[NL80211_ATTR_VLAN_ID]) |
6576 | params.vlan_id = nla_get_u16(info->attrs[NL80211_ATTR_VLAN_ID]); | |
6577 | ||
17b94247 | 6578 | if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) { |
ab0d76f6 JB |
6579 | params.support_p2p_ps = |
6580 | nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]); | |
17b94247 AB |
6581 | } else { |
6582 | /* | |
6583 | * if not specified, assume it's supported for P2P GO interface, | |
6584 | * and is NOT supported for AP interface | |
6585 | */ | |
6586 | params.support_p2p_ps = | |
6587 | dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO; | |
6588 | } | |
6589 | ||
3d124ea2 | 6590 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
5e4b6f56 | 6591 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
3d124ea2 JM |
6592 | else |
6593 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
51b50fbe | 6594 | |
9d62a986 JM |
6595 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
6596 | params.capability = | |
6597 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
6598 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
6599 | } | |
6600 | ||
6601 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
6602 | params.ext_capab = | |
6603 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
6604 | params.ext_capab_len = | |
6605 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
6606 | } | |
6607 | ||
36aedc90 JM |
6608 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
6609 | params.ht_capa = | |
6610 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 6611 | |
f461be3e MP |
6612 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
6613 | params.vht_capa = | |
6614 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
6615 | ||
c4cbaf79 LC |
6616 | if (info->attrs[NL80211_ATTR_HE_CAPABILITY]) { |
6617 | params.he_capa = | |
6618 | nla_data(info->attrs[NL80211_ATTR_HE_CAPABILITY]); | |
6619 | params.he_capa_len = | |
6620 | nla_len(info->attrs[NL80211_ATTR_HE_CAPABILITY]); | |
c4cbaf79 LC |
6621 | } |
6622 | ||
43e64bf3 RM |
6623 | if (info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]) |
6624 | params.he_6ghz_capa = | |
6625 | nla_data(info->attrs[NL80211_ATTR_HE_6GHZ_CAPABILITY]); | |
6626 | ||
60f4a7b1 MK |
6627 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
6628 | params.opmode_notif_used = true; | |
6629 | params.opmode_notif = | |
6630 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
6631 | } | |
6632 | ||
ab0d76f6 | 6633 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) |
96b78dff | 6634 | params.plink_action = |
f8bacc21 | 6635 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
96b78dff | 6636 | |
36647055 THJ |
6637 | if (info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]) |
6638 | params.airtime_weight = | |
6639 | nla_get_u16(info->attrs[NL80211_ATTR_AIRTIME_WEIGHT]); | |
6640 | ||
6641 | if (params.airtime_weight && | |
6642 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
6643 | NL80211_EXT_FEATURE_AIRTIME_FAIRNESS)) | |
6644 | return -EOPNOTSUPP; | |
6645 | ||
e96d1cd2 ARN |
6646 | err = nl80211_parse_sta_txpower_setting(info, ¶ms); |
6647 | if (err) | |
6648 | return err; | |
6649 | ||
c01fc9ad SD |
6650 | err = nl80211_parse_sta_channel_info(info, ¶ms); |
6651 | if (err) | |
6652 | return err; | |
6653 | ||
ff276691 JB |
6654 | err = nl80211_parse_sta_wme(info, ¶ms); |
6655 | if (err) | |
6656 | return err; | |
bdd90d5e | 6657 | |
bdd3ae3d | 6658 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
6659 | return -EINVAL; |
6660 | ||
496fcc29 JB |
6661 | /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT |
6662 | * as userspace might just pass through the capabilities from the IEs | |
6663 | * directly, rather than enforcing this restriction and returning an | |
6664 | * error in this case. | |
6665 | */ | |
6666 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) { | |
6667 | params.ht_capa = NULL; | |
6668 | params.vht_capa = NULL; | |
c4cbaf79 LC |
6669 | |
6670 | /* HE requires WME */ | |
43e64bf3 | 6671 | if (params.he_capa_len || params.he_6ghz_capa) |
c4cbaf79 | 6672 | return -EINVAL; |
496fcc29 JB |
6673 | } |
6674 | ||
43e64bf3 RM |
6675 | /* Ensure that HT/VHT capabilities are not set for 6 GHz HE STA */ |
6676 | if (params.he_6ghz_capa && (params.ht_capa || params.vht_capa)) | |
6677 | return -EINVAL; | |
6678 | ||
77ee7c89 JB |
6679 | /* When you run into this, adjust the code below for the new flag */ |
6680 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
6681 | ||
bdd90d5e JB |
6682 | switch (dev->ieee80211_ptr->iftype) { |
6683 | case NL80211_IFTYPE_AP: | |
6684 | case NL80211_IFTYPE_AP_VLAN: | |
6685 | case NL80211_IFTYPE_P2P_GO: | |
984c311b JB |
6686 | /* ignore WME attributes if iface/sta is not capable */ |
6687 | if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) || | |
6688 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) | |
6689 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
c75786c9 | 6690 | |
bdd90d5e | 6691 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
6692 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
6693 | info->attrs[NL80211_ATTR_PEER_AID]) | |
4319e193 | 6694 | return -EINVAL; |
bdd90d5e JB |
6695 | /* but don't bother the driver with it */ |
6696 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 6697 | |
d582cffb JB |
6698 | /* allow authenticated/associated only if driver handles it */ |
6699 | if (!(rdev->wiphy.features & | |
6700 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
bda95eb1 | 6701 | params.sta_flags_mask & auth_assoc) |
d582cffb JB |
6702 | return -EINVAL; |
6703 | ||
bda95eb1 JB |
6704 | /* Older userspace, or userspace wanting to be compatible with |
6705 | * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth | |
6706 | * and assoc flags in the mask, but assumes the station will be | |
6707 | * added as associated anyway since this was the required driver | |
6708 | * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was | |
6709 | * introduced. | |
6710 | * In order to not bother drivers with this quirk in the API | |
6711 | * set the flags in both the mask and set for new stations in | |
6712 | * this case. | |
6713 | */ | |
6714 | if (!(params.sta_flags_mask & auth_assoc)) { | |
6715 | params.sta_flags_mask |= auth_assoc; | |
6716 | params.sta_flags_set |= auth_assoc; | |
6717 | } | |
6718 | ||
bdd90d5e JB |
6719 | /* must be last in here for error handling */ |
6720 | params.vlan = get_vlan(info, rdev); | |
6721 | if (IS_ERR(params.vlan)) | |
6722 | return PTR_ERR(params.vlan); | |
6723 | break; | |
6724 | case NL80211_IFTYPE_MESH_POINT: | |
984c311b JB |
6725 | /* ignore uAPSD data */ |
6726 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
6727 | ||
d582cffb JB |
6728 | /* associated is disallowed */ |
6729 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
6730 | return -EINVAL; | |
bdd90d5e | 6731 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
6732 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
6733 | info->attrs[NL80211_ATTR_PEER_AID]) | |
bdd90d5e JB |
6734 | return -EINVAL; |
6735 | break; | |
6736 | case NL80211_IFTYPE_STATION: | |
93d08f0b | 6737 | case NL80211_IFTYPE_P2P_CLIENT: |
984c311b JB |
6738 | /* ignore uAPSD data */ |
6739 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
6740 | ||
77ee7c89 JB |
6741 | /* these are disallowed */ |
6742 | if (params.sta_flags_mask & | |
6743 | (BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
6744 | BIT(NL80211_STA_FLAG_AUTHENTICATED))) | |
d582cffb | 6745 | return -EINVAL; |
bdd90d5e JB |
6746 | /* Only TDLS peers can be added */ |
6747 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
6748 | return -EINVAL; | |
6749 | /* Can only add if TDLS ... */ | |
6750 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
6751 | return -EOPNOTSUPP; | |
6752 | /* ... with external setup is supported */ | |
6753 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
6754 | return -EOPNOTSUPP; | |
77ee7c89 JB |
6755 | /* |
6756 | * Older wpa_supplicant versions always mark the TDLS peer | |
6757 | * as authorized, but it shouldn't yet be. | |
6758 | */ | |
6759 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED); | |
bdd90d5e JB |
6760 | break; |
6761 | default: | |
6762 | return -EOPNOTSUPP; | |
c75786c9 EP |
6763 | } |
6764 | ||
bdd90d5e | 6765 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 6766 | |
e35e4d28 | 6767 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 6768 | |
1160dfa1 | 6769 | dev_put(params.vlan); |
5727ef1b JB |
6770 | return err; |
6771 | } | |
6772 | ||
6773 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
6774 | { | |
4c476991 JB |
6775 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6776 | struct net_device *dev = info->user_ptr[1]; | |
89c771e5 JM |
6777 | struct station_del_parameters params; |
6778 | ||
6779 | memset(¶ms, 0, sizeof(params)); | |
5727ef1b JB |
6780 | |
6781 | if (info->attrs[NL80211_ATTR_MAC]) | |
89c771e5 | 6782 | params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]); |
5727ef1b | 6783 | |
306b79ea JB |
6784 | switch (dev->ieee80211_ptr->iftype) { |
6785 | case NL80211_IFTYPE_AP: | |
6786 | case NL80211_IFTYPE_AP_VLAN: | |
6787 | case NL80211_IFTYPE_MESH_POINT: | |
6788 | case NL80211_IFTYPE_P2P_GO: | |
6789 | /* always accept these */ | |
6790 | break; | |
6791 | case NL80211_IFTYPE_ADHOC: | |
6792 | /* conditionally accept */ | |
6793 | if (wiphy_ext_feature_isset(&rdev->wiphy, | |
6794 | NL80211_EXT_FEATURE_DEL_IBSS_STA)) | |
6795 | break; | |
edafcf42 | 6796 | return -EINVAL; |
306b79ea | 6797 | default: |
4c476991 | 6798 | return -EINVAL; |
306b79ea | 6799 | } |
5727ef1b | 6800 | |
4c476991 JB |
6801 | if (!rdev->ops->del_station) |
6802 | return -EOPNOTSUPP; | |
3b85875a | 6803 | |
98856866 JM |
6804 | if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) { |
6805 | params.subtype = | |
6806 | nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]); | |
6807 | if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 && | |
6808 | params.subtype != IEEE80211_STYPE_DEAUTH >> 4) | |
6809 | return -EINVAL; | |
6810 | } else { | |
6811 | /* Default to Deauthentication frame */ | |
6812 | params.subtype = IEEE80211_STYPE_DEAUTH >> 4; | |
6813 | } | |
6814 | ||
6815 | if (info->attrs[NL80211_ATTR_REASON_CODE]) { | |
6816 | params.reason_code = | |
6817 | nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
6818 | if (params.reason_code == 0) | |
6819 | return -EINVAL; /* 0 is reserved */ | |
6820 | } else { | |
6821 | /* Default to reason code 2 */ | |
6822 | params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID; | |
6823 | } | |
6824 | ||
89c771e5 | 6825 | return rdev_del_station(rdev, dev, ¶ms); |
5727ef1b JB |
6826 | } |
6827 | ||
15e47304 | 6828 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
6829 | int flags, struct net_device *dev, |
6830 | u8 *dst, u8 *next_hop, | |
6831 | struct mpath_info *pinfo) | |
6832 | { | |
6833 | void *hdr; | |
6834 | struct nlattr *pinfoattr; | |
6835 | ||
1ef4c850 | 6836 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH); |
2ec600d6 LCC |
6837 | if (!hdr) |
6838 | return -1; | |
6839 | ||
9360ffd1 DM |
6840 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
6841 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
6842 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
6843 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
6844 | goto nla_put_failure; | |
f5ea9120 | 6845 | |
ae0be8de | 6846 | pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MPATH_INFO); |
2ec600d6 LCC |
6847 | if (!pinfoattr) |
6848 | goto nla_put_failure; | |
9360ffd1 DM |
6849 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
6850 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
6851 | pinfo->frame_qlen)) | |
6852 | goto nla_put_failure; | |
6853 | if (((pinfo->filled & MPATH_INFO_SN) && | |
6854 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
6855 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
6856 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
6857 | pinfo->metric)) || | |
6858 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
6859 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
6860 | pinfo->exptime)) || | |
6861 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
6862 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
6863 | pinfo->flags)) || | |
6864 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
6865 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
6866 | pinfo->discovery_timeout)) || | |
6867 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
6868 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
cc241636 JH |
6869 | pinfo->discovery_retries)) || |
6870 | ((pinfo->filled & MPATH_INFO_HOP_COUNT) && | |
6871 | nla_put_u8(msg, NL80211_MPATH_INFO_HOP_COUNT, | |
540bbcb9 JH |
6872 | pinfo->hop_count)) || |
6873 | ((pinfo->filled & MPATH_INFO_PATH_CHANGE) && | |
6874 | nla_put_u32(msg, NL80211_MPATH_INFO_PATH_CHANGE, | |
6875 | pinfo->path_change_count))) | |
9360ffd1 | 6876 | goto nla_put_failure; |
2ec600d6 LCC |
6877 | |
6878 | nla_nest_end(msg, pinfoattr); | |
6879 | ||
053c095a JB |
6880 | genlmsg_end(msg, hdr); |
6881 | return 0; | |
2ec600d6 LCC |
6882 | |
6883 | nla_put_failure: | |
bc3ed28c TG |
6884 | genlmsg_cancel(msg, hdr); |
6885 | return -EMSGSIZE; | |
2ec600d6 LCC |
6886 | } |
6887 | ||
6888 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 6889 | struct netlink_callback *cb) |
2ec600d6 | 6890 | { |
2ec600d6 | 6891 | struct mpath_info pinfo; |
1b8ec87a | 6892 | struct cfg80211_registered_device *rdev; |
97990a06 | 6893 | struct wireless_dev *wdev; |
2ec600d6 LCC |
6894 | u8 dst[ETH_ALEN]; |
6895 | u8 next_hop[ETH_ALEN]; | |
97990a06 | 6896 | int path_idx = cb->args[2]; |
2ec600d6 | 6897 | int err; |
2ec600d6 | 6898 | |
5297c65c | 6899 | err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev); |
67748893 | 6900 | if (err) |
a05829a7 JB |
6901 | return err; |
6902 | /* nl80211_prepare_wdev_dump acquired it in the successful case */ | |
6903 | __acquire(&rdev->wiphy.mtx); | |
bba95fef | 6904 | |
1b8ec87a | 6905 | if (!rdev->ops->dump_mpath) { |
eec60b03 | 6906 | err = -EOPNOTSUPP; |
bba95fef JB |
6907 | goto out_err; |
6908 | } | |
6909 | ||
97990a06 | 6910 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { |
eec60b03 | 6911 | err = -EOPNOTSUPP; |
0448b5fc | 6912 | goto out_err; |
eec60b03 JM |
6913 | } |
6914 | ||
bba95fef | 6915 | while (1) { |
1b8ec87a | 6916 | err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst, |
97990a06 | 6917 | next_hop, &pinfo); |
bba95fef | 6918 | if (err == -ENOENT) |
2ec600d6 | 6919 | break; |
bba95fef | 6920 | if (err) |
3b85875a | 6921 | goto out_err; |
2ec600d6 | 6922 | |
15e47304 | 6923 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef | 6924 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 6925 | wdev->netdev, dst, next_hop, |
bba95fef JB |
6926 | &pinfo) < 0) |
6927 | goto out; | |
2ec600d6 | 6928 | |
bba95fef | 6929 | path_idx++; |
2ec600d6 | 6930 | } |
2ec600d6 | 6931 | |
bba95fef | 6932 | out: |
97990a06 | 6933 | cb->args[2] = path_idx; |
bba95fef | 6934 | err = skb->len; |
bba95fef | 6935 | out_err: |
a05829a7 | 6936 | wiphy_unlock(&rdev->wiphy); |
bba95fef | 6937 | return err; |
2ec600d6 LCC |
6938 | } |
6939 | ||
6940 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
6941 | { | |
4c476991 | 6942 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 6943 | int err; |
4c476991 | 6944 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
6945 | struct mpath_info pinfo; |
6946 | struct sk_buff *msg; | |
6947 | u8 *dst = NULL; | |
6948 | u8 next_hop[ETH_ALEN]; | |
6949 | ||
6950 | memset(&pinfo, 0, sizeof(pinfo)); | |
6951 | ||
6952 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6953 | return -EINVAL; | |
6954 | ||
6955 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
6956 | ||
4c476991 JB |
6957 | if (!rdev->ops->get_mpath) |
6958 | return -EOPNOTSUPP; | |
2ec600d6 | 6959 | |
4c476991 JB |
6960 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
6961 | return -EOPNOTSUPP; | |
eec60b03 | 6962 | |
e35e4d28 | 6963 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 6964 | if (err) |
4c476991 | 6965 | return err; |
2ec600d6 | 6966 | |
fd2120ca | 6967 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 6968 | if (!msg) |
4c476991 | 6969 | return -ENOMEM; |
2ec600d6 | 6970 | |
15e47304 | 6971 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
6972 | dev, dst, next_hop, &pinfo) < 0) { |
6973 | nlmsg_free(msg); | |
6974 | return -ENOBUFS; | |
6975 | } | |
3b85875a | 6976 | |
4c476991 | 6977 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
6978 | } |
6979 | ||
6980 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
6981 | { | |
4c476991 JB |
6982 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
6983 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
6984 | u8 *dst = NULL; |
6985 | u8 *next_hop = NULL; | |
6986 | ||
6987 | if (!info->attrs[NL80211_ATTR_MAC]) | |
6988 | return -EINVAL; | |
6989 | ||
6990 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
6991 | return -EINVAL; | |
6992 | ||
6993 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
6994 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
6995 | ||
4c476991 JB |
6996 | if (!rdev->ops->change_mpath) |
6997 | return -EOPNOTSUPP; | |
35a8efe1 | 6998 | |
4c476991 JB |
6999 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
7000 | return -EOPNOTSUPP; | |
2ec600d6 | 7001 | |
e35e4d28 | 7002 | return rdev_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 7003 | } |
4c476991 | 7004 | |
2ec600d6 LCC |
7005 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
7006 | { | |
4c476991 JB |
7007 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7008 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
7009 | u8 *dst = NULL; |
7010 | u8 *next_hop = NULL; | |
7011 | ||
7012 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7013 | return -EINVAL; | |
7014 | ||
7015 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
7016 | return -EINVAL; | |
7017 | ||
7018 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7019 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
7020 | ||
4c476991 JB |
7021 | if (!rdev->ops->add_mpath) |
7022 | return -EOPNOTSUPP; | |
35a8efe1 | 7023 | |
4c476991 JB |
7024 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
7025 | return -EOPNOTSUPP; | |
2ec600d6 | 7026 | |
e35e4d28 | 7027 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
7028 | } |
7029 | ||
7030 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
7031 | { | |
4c476991 JB |
7032 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7033 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
7034 | u8 *dst = NULL; |
7035 | ||
7036 | if (info->attrs[NL80211_ATTR_MAC]) | |
7037 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7038 | ||
4c476991 JB |
7039 | if (!rdev->ops->del_mpath) |
7040 | return -EOPNOTSUPP; | |
3b85875a | 7041 | |
b501426c MP |
7042 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
7043 | return -EOPNOTSUPP; | |
7044 | ||
e35e4d28 | 7045 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
7046 | } |
7047 | ||
66be7d2b HR |
7048 | static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info) |
7049 | { | |
7050 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7051 | int err; | |
7052 | struct net_device *dev = info->user_ptr[1]; | |
7053 | struct mpath_info pinfo; | |
7054 | struct sk_buff *msg; | |
7055 | u8 *dst = NULL; | |
7056 | u8 mpp[ETH_ALEN]; | |
7057 | ||
7058 | memset(&pinfo, 0, sizeof(pinfo)); | |
7059 | ||
7060 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7061 | return -EINVAL; | |
7062 | ||
7063 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
7064 | ||
7065 | if (!rdev->ops->get_mpp) | |
7066 | return -EOPNOTSUPP; | |
7067 | ||
7068 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
7069 | return -EOPNOTSUPP; | |
7070 | ||
7071 | err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo); | |
7072 | if (err) | |
7073 | return err; | |
7074 | ||
7075 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
7076 | if (!msg) | |
7077 | return -ENOMEM; | |
7078 | ||
7079 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, | |
7080 | dev, dst, mpp, &pinfo) < 0) { | |
7081 | nlmsg_free(msg); | |
7082 | return -ENOBUFS; | |
7083 | } | |
7084 | ||
7085 | return genlmsg_reply(msg, info); | |
7086 | } | |
7087 | ||
7088 | static int nl80211_dump_mpp(struct sk_buff *skb, | |
7089 | struct netlink_callback *cb) | |
7090 | { | |
7091 | struct mpath_info pinfo; | |
7092 | struct cfg80211_registered_device *rdev; | |
7093 | struct wireless_dev *wdev; | |
7094 | u8 dst[ETH_ALEN]; | |
7095 | u8 mpp[ETH_ALEN]; | |
7096 | int path_idx = cb->args[2]; | |
7097 | int err; | |
7098 | ||
5297c65c | 7099 | err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev); |
66be7d2b | 7100 | if (err) |
a05829a7 JB |
7101 | return err; |
7102 | /* nl80211_prepare_wdev_dump acquired it in the successful case */ | |
7103 | __acquire(&rdev->wiphy.mtx); | |
66be7d2b HR |
7104 | |
7105 | if (!rdev->ops->dump_mpp) { | |
7106 | err = -EOPNOTSUPP; | |
7107 | goto out_err; | |
7108 | } | |
7109 | ||
7110 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { | |
7111 | err = -EOPNOTSUPP; | |
7112 | goto out_err; | |
7113 | } | |
7114 | ||
7115 | while (1) { | |
7116 | err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst, | |
7117 | mpp, &pinfo); | |
7118 | if (err == -ENOENT) | |
7119 | break; | |
7120 | if (err) | |
7121 | goto out_err; | |
7122 | ||
7123 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, | |
7124 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
7125 | wdev->netdev, dst, mpp, | |
7126 | &pinfo) < 0) | |
7127 | goto out; | |
7128 | ||
7129 | path_idx++; | |
7130 | } | |
7131 | ||
7132 | out: | |
7133 | cb->args[2] = path_idx; | |
7134 | err = skb->len; | |
7135 | out_err: | |
a05829a7 | 7136 | wiphy_unlock(&rdev->wiphy); |
66be7d2b HR |
7137 | return err; |
7138 | } | |
7139 | ||
9f1ba906 JM |
7140 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
7141 | { | |
4c476991 JB |
7142 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7143 | struct net_device *dev = info->user_ptr[1]; | |
c56589ed | 7144 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9f1ba906 | 7145 | struct bss_parameters params; |
c56589ed | 7146 | int err; |
9f1ba906 JM |
7147 | |
7148 | memset(¶ms, 0, sizeof(params)); | |
7149 | /* default to not changing parameters */ | |
7150 | params.use_cts_prot = -1; | |
7151 | params.use_short_preamble = -1; | |
7152 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 7153 | params.ap_isolate = -1; |
50b12f59 | 7154 | params.ht_opmode = -1; |
53cabad7 JB |
7155 | params.p2p_ctwindow = -1; |
7156 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
7157 | |
7158 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
7159 | params.use_cts_prot = | |
7160 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
7161 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
7162 | params.use_short_preamble = | |
7163 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
7164 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
7165 | params.use_short_slot_time = | |
7166 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
7167 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
7168 | params.basic_rates = | |
7169 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7170 | params.basic_rates_len = | |
7171 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
7172 | } | |
fd8aaaf3 FF |
7173 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
7174 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
7175 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
7176 | params.ht_opmode = | |
7177 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 7178 | |
53cabad7 JB |
7179 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
7180 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
7181 | return -EINVAL; | |
7182 | params.p2p_ctwindow = | |
ab0d76f6 | 7183 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); |
53cabad7 JB |
7184 | if (params.p2p_ctwindow != 0 && |
7185 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
7186 | return -EINVAL; | |
7187 | } | |
7188 | ||
7189 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
7190 | u8 tmp; | |
7191 | ||
7192 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
7193 | return -EINVAL; | |
7194 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
53cabad7 JB |
7195 | params.p2p_opp_ps = tmp; |
7196 | if (params.p2p_opp_ps && | |
7197 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
7198 | return -EINVAL; | |
7199 | } | |
7200 | ||
4c476991 JB |
7201 | if (!rdev->ops->change_bss) |
7202 | return -EOPNOTSUPP; | |
9f1ba906 | 7203 | |
074ac8df | 7204 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
7205 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
7206 | return -EOPNOTSUPP; | |
3b85875a | 7207 | |
c56589ed SW |
7208 | wdev_lock(wdev); |
7209 | err = rdev_change_bss(rdev, dev, ¶ms); | |
7210 | wdev_unlock(wdev); | |
7211 | ||
7212 | return err; | |
9f1ba906 JM |
7213 | } |
7214 | ||
b2e1b302 LR |
7215 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) |
7216 | { | |
b2e1b302 | 7217 | char *data = NULL; |
05050753 | 7218 | bool is_indoor; |
57b5ce07 | 7219 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
05050753 I |
7220 | u32 owner_nlportid; |
7221 | ||
80778f18 LR |
7222 | /* |
7223 | * You should only get this when cfg80211 hasn't yet initialized | |
7224 | * completely when built-in to the kernel right between the time | |
7225 | * window between nl80211_init() and regulatory_init(), if that is | |
7226 | * even possible. | |
7227 | */ | |
458f4f9e | 7228 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 7229 | return -EINPROGRESS; |
80778f18 | 7230 | |
57b5ce07 LR |
7231 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
7232 | user_reg_hint_type = | |
7233 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
7234 | else | |
7235 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
7236 | ||
7237 | switch (user_reg_hint_type) { | |
7238 | case NL80211_USER_REG_HINT_USER: | |
7239 | case NL80211_USER_REG_HINT_CELL_BASE: | |
52616f2b IP |
7240 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
7241 | return -EINVAL; | |
7242 | ||
7243 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
7244 | return regulatory_hint_user(data, user_reg_hint_type); | |
7245 | case NL80211_USER_REG_HINT_INDOOR: | |
05050753 I |
7246 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) { |
7247 | owner_nlportid = info->snd_portid; | |
7248 | is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR]; | |
7249 | } else { | |
7250 | owner_nlportid = 0; | |
7251 | is_indoor = true; | |
7252 | } | |
7253 | ||
7254 | return regulatory_hint_indoor(is_indoor, owner_nlportid); | |
57b5ce07 LR |
7255 | default: |
7256 | return -EINVAL; | |
7257 | } | |
b2e1b302 LR |
7258 | } |
7259 | ||
1ea4ff3e JB |
7260 | static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info) |
7261 | { | |
7262 | return reg_reload_regdb(); | |
7263 | } | |
7264 | ||
24bdd9f4 | 7265 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 7266 | struct genl_info *info) |
93da9cc1 | 7267 | { |
4c476991 | 7268 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 7269 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
7270 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
7271 | struct mesh_config cur_params; | |
7272 | int err = 0; | |
93da9cc1 | 7273 | void *hdr; |
7274 | struct nlattr *pinfoattr; | |
7275 | struct sk_buff *msg; | |
7276 | ||
29cbe68c JB |
7277 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
7278 | return -EOPNOTSUPP; | |
7279 | ||
24bdd9f4 | 7280 | if (!rdev->ops->get_mesh_config) |
4c476991 | 7281 | return -EOPNOTSUPP; |
f3f92586 | 7282 | |
29cbe68c JB |
7283 | wdev_lock(wdev); |
7284 | /* If not connected, get default parameters */ | |
7285 | if (!wdev->mesh_id_len) | |
7286 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
7287 | else | |
e35e4d28 | 7288 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
7289 | wdev_unlock(wdev); |
7290 | ||
93da9cc1 | 7291 | if (err) |
4c476991 | 7292 | return err; |
93da9cc1 | 7293 | |
7294 | /* Draw up a netlink message to send back */ | |
fd2120ca | 7295 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
7296 | if (!msg) |
7297 | return -ENOMEM; | |
15e47304 | 7298 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 7299 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 7300 | if (!hdr) |
efe1cf0c | 7301 | goto out; |
ae0be8de | 7302 | pinfoattr = nla_nest_start_noflag(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 7303 | if (!pinfoattr) |
7304 | goto nla_put_failure; | |
9360ffd1 DM |
7305 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
7306 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
7307 | cur_params.dot11MeshRetryTimeout) || | |
7308 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
7309 | cur_params.dot11MeshConfirmTimeout) || | |
7310 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
7311 | cur_params.dot11MeshHoldingTimeout) || | |
7312 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
7313 | cur_params.dot11MeshMaxPeerLinks) || | |
7314 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
7315 | cur_params.dot11MeshMaxRetries) || | |
7316 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
7317 | cur_params.dot11MeshTTL) || | |
7318 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
7319 | cur_params.element_ttl) || | |
7320 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
7321 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
7322 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
7323 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
7324 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
7325 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
7326 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
7327 | cur_params.path_refresh_time) || | |
7328 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
7329 | cur_params.min_discovery_timeout) || | |
7330 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
7331 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
7332 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
7333 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
7334 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
7335 | cur_params.dot11MeshHWMPperrMinInterval) || | |
7336 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
7337 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
7338 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
7339 | cur_params.dot11MeshHWMPRootMode) || | |
7340 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
7341 | cur_params.dot11MeshHWMPRannInterval) || | |
7342 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
7343 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
7344 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
7345 | cur_params.dot11MeshForwarding) || | |
335d5349 | 7346 | nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, |
70c33eaa AN |
7347 | cur_params.rssi_threshold) || |
7348 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
7349 | cur_params.ht_opmode) || |
7350 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
7351 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
7352 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
7353 | cur_params.dot11MeshHWMProotInterval) || |
7354 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
7355 | cur_params.dot11MeshHWMPconfirmationInterval) || |
7356 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
7357 | cur_params.power_mode) || | |
7358 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
8e7c0538 CT |
7359 | cur_params.dot11MeshAwakeWindowDuration) || |
7360 | nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
01d66fbd BC |
7361 | cur_params.plink_timeout) || |
7362 | nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_GATE, | |
e3718a61 LL |
7363 | cur_params.dot11MeshConnectedToMeshGate) || |
7364 | nla_put_u8(msg, NL80211_MESHCONF_NOLEARN, | |
184eebe6 MT |
7365 | cur_params.dot11MeshNolearn) || |
7366 | nla_put_u8(msg, NL80211_MESHCONF_CONNECTED_TO_AS, | |
7367 | cur_params.dot11MeshConnectedToAuthServer)) | |
9360ffd1 | 7368 | goto nla_put_failure; |
93da9cc1 | 7369 | nla_nest_end(msg, pinfoattr); |
7370 | genlmsg_end(msg, hdr); | |
4c476991 | 7371 | return genlmsg_reply(msg, info); |
93da9cc1 | 7372 | |
3b85875a | 7373 | nla_put_failure: |
efe1cf0c | 7374 | out: |
d080e275 | 7375 | nlmsg_free(msg); |
4c476991 | 7376 | return -ENOBUFS; |
93da9cc1 | 7377 | } |
7378 | ||
ab0d76f6 JB |
7379 | static const struct nla_policy |
7380 | nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { | |
7381 | [NL80211_MESHCONF_RETRY_TIMEOUT] = | |
7382 | NLA_POLICY_RANGE(NLA_U16, 1, 255), | |
7383 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = | |
7384 | NLA_POLICY_RANGE(NLA_U16, 1, 255), | |
7385 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = | |
7386 | NLA_POLICY_RANGE(NLA_U16, 1, 255), | |
7387 | [NL80211_MESHCONF_MAX_PEER_LINKS] = | |
7388 | NLA_POLICY_RANGE(NLA_U16, 0, 255), | |
7389 | [NL80211_MESHCONF_MAX_RETRIES] = NLA_POLICY_MAX(NLA_U8, 16), | |
7390 | [NL80211_MESHCONF_TTL] = NLA_POLICY_MIN(NLA_U8, 1), | |
7391 | [NL80211_MESHCONF_ELEMENT_TTL] = NLA_POLICY_MIN(NLA_U8, 1), | |
7392 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = NLA_POLICY_MAX(NLA_U8, 1), | |
7393 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = | |
7394 | NLA_POLICY_RANGE(NLA_U32, 1, 255), | |
93da9cc1 | 7395 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
7396 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
ab0d76f6 | 7397 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = NLA_POLICY_MIN(NLA_U16, 1), |
93da9cc1 | 7398 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, |
ab0d76f6 JB |
7399 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = |
7400 | NLA_POLICY_MIN(NLA_U16, 1), | |
7401 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = | |
7402 | NLA_POLICY_MIN(NLA_U16, 1), | |
7403 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = | |
7404 | NLA_POLICY_MIN(NLA_U16, 1), | |
7405 | [NL80211_MESHCONF_HWMP_ROOTMODE] = NLA_POLICY_MAX(NLA_U8, 4), | |
7406 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = | |
7407 | NLA_POLICY_MIN(NLA_U16, 1), | |
7408 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = NLA_POLICY_MAX(NLA_U8, 1), | |
7409 | [NL80211_MESHCONF_FORWARDING] = NLA_POLICY_MAX(NLA_U8, 1), | |
7410 | [NL80211_MESHCONF_RSSI_THRESHOLD] = | |
7411 | NLA_POLICY_RANGE(NLA_S32, -255, 0), | |
a4f606ea | 7412 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, |
ac1073a6 | 7413 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
ab0d76f6 JB |
7414 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = |
7415 | NLA_POLICY_MIN(NLA_U16, 1), | |
7416 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = | |
7417 | NLA_POLICY_MIN(NLA_U16, 1), | |
7418 | [NL80211_MESHCONF_POWER_MODE] = | |
7419 | NLA_POLICY_RANGE(NLA_U32, | |
7420 | NL80211_MESH_POWER_ACTIVE, | |
7421 | NL80211_MESH_POWER_MAX), | |
3b1c5a53 | 7422 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, |
8e7c0538 | 7423 | [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 }, |
01d66fbd | 7424 | [NL80211_MESHCONF_CONNECTED_TO_GATE] = NLA_POLICY_RANGE(NLA_U8, 0, 1), |
e3718a61 | 7425 | [NL80211_MESHCONF_NOLEARN] = NLA_POLICY_RANGE(NLA_U8, 0, 1), |
184eebe6 | 7426 | [NL80211_MESHCONF_CONNECTED_TO_AS] = NLA_POLICY_RANGE(NLA_U8, 0, 1), |
93da9cc1 | 7427 | }; |
7428 | ||
c80d545d JC |
7429 | static const struct nla_policy |
7430 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 7431 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
7432 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
7433 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 7434 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
6e16d90b | 7435 | [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 }, |
bb2798d4 | 7436 | [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG }, |
3d7af878 JB |
7437 | [NL80211_MESH_SETUP_IE] = |
7438 | NLA_POLICY_VALIDATE_FN(NLA_BINARY, validate_ie_attr, | |
7439 | IEEE80211_MAX_DATA_LEN), | |
b130e5ce | 7440 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
7441 | }; |
7442 | ||
24bdd9f4 | 7443 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
7444 | struct mesh_config *cfg, |
7445 | u32 *mask_out) | |
93da9cc1 | 7446 | { |
93da9cc1 | 7447 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 7448 | u32 mask = 0; |
9757235f | 7449 | u16 ht_opmode; |
93da9cc1 | 7450 | |
ab0d76f6 JB |
7451 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, mask, attr, fn) \ |
7452 | do { \ | |
7453 | if (tb[attr]) { \ | |
7454 | cfg->param = fn(tb[attr]); \ | |
7455 | mask |= BIT((attr) - 1); \ | |
7456 | } \ | |
ea54fba2 | 7457 | } while (0) |
bd90fdcc | 7458 | |
24bdd9f4 | 7459 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 7460 | return -EINVAL; |
8cb08174 | 7461 | if (nla_parse_nested_deprecated(tb, NL80211_MESHCONF_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_CONFIG], nl80211_meshconf_params_policy, info->extack)) |
93da9cc1 | 7462 | return -EINVAL; |
7463 | ||
93da9cc1 | 7464 | /* This makes sure that there aren't more than 32 mesh config |
7465 | * parameters (otherwise our bitfield scheme would not work.) */ | |
7466 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
7467 | ||
7468 | /* Fill in the params struct */ | |
ab0d76f6 JB |
7469 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, mask, |
7470 | NL80211_MESHCONF_RETRY_TIMEOUT, nla_get_u16); | |
7471 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, mask, | |
7472 | NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
7473 | nla_get_u16); | |
7474 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, mask, | |
7475 | NL80211_MESHCONF_HOLDING_TIMEOUT, | |
7476 | nla_get_u16); | |
7477 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, mask, | |
7478 | NL80211_MESHCONF_MAX_PEER_LINKS, | |
7479 | nla_get_u16); | |
7480 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, mask, | |
7481 | NL80211_MESHCONF_MAX_RETRIES, nla_get_u8); | |
7482 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, mask, | |
7483 | NL80211_MESHCONF_TTL, nla_get_u8); | |
7484 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, mask, | |
7485 | NL80211_MESHCONF_ELEMENT_TTL, nla_get_u8); | |
7486 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, mask, | |
7487 | NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
7488 | nla_get_u8); | |
ea54fba2 | 7489 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
ab0d76f6 | 7490 | mask, |
a4f606ea | 7491 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
ab0d76f6 JB |
7492 | nla_get_u32); |
7493 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, mask, | |
7494 | NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, | |
7495 | nla_get_u8); | |
7496 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, mask, | |
7497 | NL80211_MESHCONF_PATH_REFRESH_TIME, | |
7498 | nla_get_u32); | |
7499 | if (mask & BIT(NL80211_MESHCONF_PATH_REFRESH_TIME) && | |
7500 | (cfg->path_refresh_time < 1 || cfg->path_refresh_time > 65535)) | |
7501 | return -EINVAL; | |
7502 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, mask, | |
7503 | NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
7504 | nla_get_u16); | |
ea54fba2 | 7505 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
ab0d76f6 | 7506 | mask, |
a4f606ea | 7507 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
ab0d76f6 JB |
7508 | nla_get_u32); |
7509 | if (mask & BIT(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT) && | |
7510 | (cfg->dot11MeshHWMPactivePathTimeout < 1 || | |
7511 | cfg->dot11MeshHWMPactivePathTimeout > 65535)) | |
7512 | return -EINVAL; | |
7513 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, mask, | |
ea54fba2 | 7514 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, |
ab0d76f6 JB |
7515 | nla_get_u16); |
7516 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, mask, | |
ea54fba2 | 7517 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, |
ab0d76f6 | 7518 | nla_get_u16); |
93da9cc1 | 7519 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ab0d76f6 | 7520 | dot11MeshHWMPnetDiameterTraversalTime, mask, |
a4f606ea | 7521 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
ab0d76f6 JB |
7522 | nla_get_u16); |
7523 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, mask, | |
7524 | NL80211_MESHCONF_HWMP_ROOTMODE, nla_get_u8); | |
7525 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, mask, | |
7526 | NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
7527 | nla_get_u16); | |
7528 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshGateAnnouncementProtocol, | |
ea54fba2 | 7529 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, |
ab0d76f6 JB |
7530 | nla_get_u8); |
7531 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, mask, | |
7532 | NL80211_MESHCONF_FORWARDING, nla_get_u8); | |
7533 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, mask, | |
7534 | NL80211_MESHCONF_RSSI_THRESHOLD, | |
7535 | nla_get_s32); | |
01d66fbd BC |
7536 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToMeshGate, mask, |
7537 | NL80211_MESHCONF_CONNECTED_TO_GATE, | |
7538 | nla_get_u8); | |
184eebe6 MT |
7539 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConnectedToAuthServer, mask, |
7540 | NL80211_MESHCONF_CONNECTED_TO_AS, | |
7541 | nla_get_u8); | |
9757235f MH |
7542 | /* |
7543 | * Check HT operation mode based on | |
188f60ab | 7544 | * IEEE 802.11-2016 9.4.2.57 HT Operation element. |
9757235f MH |
7545 | */ |
7546 | if (tb[NL80211_MESHCONF_HT_OPMODE]) { | |
7547 | ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]); | |
7548 | ||
7549 | if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION | | |
7550 | IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT | | |
7551 | IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
7552 | return -EINVAL; | |
7553 | ||
188f60ab BC |
7554 | /* NON_HT_STA bit is reserved, but some programs set it */ |
7555 | ht_opmode &= ~IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT; | |
9757235f | 7556 | |
9757235f | 7557 | cfg->ht_opmode = ht_opmode; |
fd551bac | 7558 | mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1)); |
9757235f | 7559 | } |
728b19e5 | 7560 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ab0d76f6 JB |
7561 | dot11MeshHWMPactivePathToRootTimeout, mask, |
7562 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
7563 | nla_get_u32); | |
7564 | if (mask & BIT(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT) && | |
7565 | (cfg->dot11MeshHWMPactivePathToRootTimeout < 1 || | |
7566 | cfg->dot11MeshHWMPactivePathToRootTimeout > 65535)) | |
7567 | return -EINVAL; | |
7568 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, mask, | |
7569 | NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
7570 | nla_get_u16); | |
7571 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPconfirmationInterval, | |
7572 | mask, | |
728b19e5 | 7573 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
ab0d76f6 JB |
7574 | nla_get_u16); |
7575 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, mask, | |
7576 | NL80211_MESHCONF_POWER_MODE, nla_get_u32); | |
7577 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, mask, | |
7578 | NL80211_MESHCONF_AWAKE_WINDOW, nla_get_u16); | |
7579 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, mask, | |
7580 | NL80211_MESHCONF_PLINK_TIMEOUT, nla_get_u32); | |
e3718a61 LL |
7581 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNolearn, mask, |
7582 | NL80211_MESHCONF_NOLEARN, nla_get_u8); | |
bd90fdcc JB |
7583 | if (mask_out) |
7584 | *mask_out = mask; | |
c80d545d | 7585 | |
bd90fdcc JB |
7586 | return 0; |
7587 | ||
7588 | #undef FILL_IN_MESH_PARAM_IF_SET | |
7589 | } | |
7590 | ||
c80d545d JC |
7591 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
7592 | struct mesh_setup *setup) | |
7593 | { | |
bb2798d4 | 7594 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
c80d545d JC |
7595 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
7596 | ||
7597 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
7598 | return -EINVAL; | |
8cb08174 | 7599 | if (nla_parse_nested_deprecated(tb, NL80211_MESH_SETUP_ATTR_MAX, info->attrs[NL80211_ATTR_MESH_SETUP], nl80211_mesh_setup_params_policy, info->extack)) |
c80d545d JC |
7600 | return -EINVAL; |
7601 | ||
d299a1f2 JC |
7602 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
7603 | setup->sync_method = | |
7604 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
7605 | IEEE80211_SYNC_METHOD_VENDOR : | |
7606 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
7607 | ||
c80d545d JC |
7608 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
7609 | setup->path_sel_proto = | |
7610 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
7611 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
7612 | IEEE80211_PATH_PROTOCOL_HWMP; | |
7613 | ||
7614 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
7615 | setup->path_metric = | |
7616 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
7617 | IEEE80211_PATH_METRIC_VENDOR : | |
7618 | IEEE80211_PATH_METRIC_AIRTIME; | |
7619 | ||
581a8b0f | 7620 | if (tb[NL80211_MESH_SETUP_IE]) { |
c80d545d | 7621 | struct nlattr *ieattr = |
581a8b0f | 7622 | tb[NL80211_MESH_SETUP_IE]; |
581a8b0f JC |
7623 | setup->ie = nla_data(ieattr); |
7624 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 7625 | } |
bb2798d4 TP |
7626 | if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] && |
7627 | !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM)) | |
7628 | return -EINVAL; | |
7629 | setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]); | |
b130e5ce JC |
7630 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
7631 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
bb2798d4 TP |
7632 | if (setup->is_secure) |
7633 | setup->user_mpm = true; | |
c80d545d | 7634 | |
6e16d90b CT |
7635 | if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) { |
7636 | if (!setup->user_mpm) | |
7637 | return -EINVAL; | |
7638 | setup->auth_id = | |
7639 | nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]); | |
7640 | } | |
7641 | ||
c80d545d JC |
7642 | return 0; |
7643 | } | |
7644 | ||
24bdd9f4 | 7645 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 7646 | struct genl_info *info) |
bd90fdcc JB |
7647 | { |
7648 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7649 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 7650 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
7651 | struct mesh_config cfg; |
7652 | u32 mask; | |
7653 | int err; | |
7654 | ||
29cbe68c JB |
7655 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
7656 | return -EOPNOTSUPP; | |
7657 | ||
24bdd9f4 | 7658 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
7659 | return -EOPNOTSUPP; |
7660 | ||
24bdd9f4 | 7661 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
7662 | if (err) |
7663 | return err; | |
7664 | ||
29cbe68c JB |
7665 | wdev_lock(wdev); |
7666 | if (!wdev->mesh_id_len) | |
7667 | err = -ENOLINK; | |
7668 | ||
7669 | if (!err) | |
e35e4d28 | 7670 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
7671 | |
7672 | wdev_unlock(wdev); | |
7673 | ||
7674 | return err; | |
93da9cc1 | 7675 | } |
7676 | ||
ad30ca2c AN |
7677 | static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom, |
7678 | struct sk_buff *msg) | |
f130347c | 7679 | { |
f130347c LR |
7680 | struct nlattr *nl_reg_rules; |
7681 | unsigned int i; | |
f130347c | 7682 | |
458f4f9e JB |
7683 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || |
7684 | (regdom->dfs_region && | |
7685 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
ad30ca2c | 7686 | goto nla_put_failure; |
458f4f9e | 7687 | |
ae0be8de | 7688 | nl_reg_rules = nla_nest_start_noflag(msg, NL80211_ATTR_REG_RULES); |
f130347c | 7689 | if (!nl_reg_rules) |
ad30ca2c | 7690 | goto nla_put_failure; |
f130347c | 7691 | |
458f4f9e | 7692 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
7693 | struct nlattr *nl_reg_rule; |
7694 | const struct ieee80211_reg_rule *reg_rule; | |
7695 | const struct ieee80211_freq_range *freq_range; | |
7696 | const struct ieee80211_power_rule *power_rule; | |
97524820 | 7697 | unsigned int max_bandwidth_khz; |
f130347c | 7698 | |
458f4f9e | 7699 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
7700 | freq_range = ®_rule->freq_range; |
7701 | power_rule = ®_rule->power_rule; | |
7702 | ||
ae0be8de | 7703 | nl_reg_rule = nla_nest_start_noflag(msg, i); |
f130347c | 7704 | if (!nl_reg_rule) |
ad30ca2c | 7705 | goto nla_put_failure; |
f130347c | 7706 | |
97524820 JD |
7707 | max_bandwidth_khz = freq_range->max_bandwidth_khz; |
7708 | if (!max_bandwidth_khz) | |
7709 | max_bandwidth_khz = reg_get_max_bandwidth(regdom, | |
7710 | reg_rule); | |
7711 | ||
9360ffd1 DM |
7712 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
7713 | reg_rule->flags) || | |
7714 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
7715 | freq_range->start_freq_khz) || | |
7716 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
7717 | freq_range->end_freq_khz) || | |
7718 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
97524820 | 7719 | max_bandwidth_khz) || |
9360ffd1 DM |
7720 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, |
7721 | power_rule->max_antenna_gain) || | |
7722 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
089027e5 JD |
7723 | power_rule->max_eirp) || |
7724 | nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME, | |
7725 | reg_rule->dfs_cac_ms)) | |
ad30ca2c | 7726 | goto nla_put_failure; |
f130347c LR |
7727 | |
7728 | nla_nest_end(msg, nl_reg_rule); | |
7729 | } | |
7730 | ||
7731 | nla_nest_end(msg, nl_reg_rules); | |
ad30ca2c AN |
7732 | return 0; |
7733 | ||
7734 | nla_put_failure: | |
7735 | return -EMSGSIZE; | |
7736 | } | |
7737 | ||
7738 | static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info) | |
7739 | { | |
7740 | const struct ieee80211_regdomain *regdom = NULL; | |
7741 | struct cfg80211_registered_device *rdev; | |
7742 | struct wiphy *wiphy = NULL; | |
7743 | struct sk_buff *msg; | |
7744 | void *hdr; | |
7745 | ||
7746 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
7747 | if (!msg) | |
7748 | return -ENOBUFS; | |
7749 | ||
7750 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
7751 | NL80211_CMD_GET_REG); | |
7752 | if (!hdr) | |
7753 | goto put_failure; | |
7754 | ||
a05829a7 JB |
7755 | rtnl_lock(); |
7756 | ||
ad30ca2c | 7757 | if (info->attrs[NL80211_ATTR_WIPHY]) { |
1bdd716c AN |
7758 | bool self_managed; |
7759 | ||
ad30ca2c AN |
7760 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
7761 | if (IS_ERR(rdev)) { | |
7762 | nlmsg_free(msg); | |
a05829a7 | 7763 | rtnl_unlock(); |
ad30ca2c AN |
7764 | return PTR_ERR(rdev); |
7765 | } | |
7766 | ||
7767 | wiphy = &rdev->wiphy; | |
1bdd716c AN |
7768 | self_managed = wiphy->regulatory_flags & |
7769 | REGULATORY_WIPHY_SELF_MANAGED; | |
ad30ca2c AN |
7770 | regdom = get_wiphy_regdom(wiphy); |
7771 | ||
1bdd716c AN |
7772 | /* a self-managed-reg device must have a private regdom */ |
7773 | if (WARN_ON(!regdom && self_managed)) { | |
7774 | nlmsg_free(msg); | |
a05829a7 | 7775 | rtnl_unlock(); |
1bdd716c AN |
7776 | return -EINVAL; |
7777 | } | |
7778 | ||
ad30ca2c AN |
7779 | if (regdom && |
7780 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
7781 | goto nla_put_failure; | |
7782 | } | |
7783 | ||
7784 | if (!wiphy && reg_last_request_cell_base() && | |
7785 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
7786 | NL80211_USER_REG_HINT_CELL_BASE)) | |
7787 | goto nla_put_failure; | |
7788 | ||
7789 | rcu_read_lock(); | |
7790 | ||
7791 | if (!regdom) | |
7792 | regdom = rcu_dereference(cfg80211_regdomain); | |
7793 | ||
7794 | if (nl80211_put_regdom(regdom, msg)) | |
7795 | goto nla_put_failure_rcu; | |
7796 | ||
7797 | rcu_read_unlock(); | |
f130347c LR |
7798 | |
7799 | genlmsg_end(msg, hdr); | |
a05829a7 | 7800 | rtnl_unlock(); |
5fe231e8 | 7801 | return genlmsg_reply(msg, info); |
f130347c | 7802 | |
458f4f9e JB |
7803 | nla_put_failure_rcu: |
7804 | rcu_read_unlock(); | |
f130347c | 7805 | nla_put_failure: |
a05829a7 | 7806 | rtnl_unlock(); |
efe1cf0c | 7807 | put_failure: |
d080e275 | 7808 | nlmsg_free(msg); |
5fe231e8 | 7809 | return -EMSGSIZE; |
f130347c LR |
7810 | } |
7811 | ||
ad30ca2c AN |
7812 | static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb, |
7813 | u32 seq, int flags, struct wiphy *wiphy, | |
7814 | const struct ieee80211_regdomain *regdom) | |
7815 | { | |
7816 | void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, | |
7817 | NL80211_CMD_GET_REG); | |
7818 | ||
7819 | if (!hdr) | |
7820 | return -1; | |
7821 | ||
0a833c29 | 7822 | genl_dump_check_consistent(cb, hdr); |
ad30ca2c AN |
7823 | |
7824 | if (nl80211_put_regdom(regdom, msg)) | |
7825 | goto nla_put_failure; | |
7826 | ||
7827 | if (!wiphy && reg_last_request_cell_base() && | |
7828 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
7829 | NL80211_USER_REG_HINT_CELL_BASE)) | |
7830 | goto nla_put_failure; | |
7831 | ||
7832 | if (wiphy && | |
7833 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
7834 | goto nla_put_failure; | |
7835 | ||
1bdd716c AN |
7836 | if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && |
7837 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
7838 | goto nla_put_failure; | |
7839 | ||
053c095a JB |
7840 | genlmsg_end(msg, hdr); |
7841 | return 0; | |
ad30ca2c AN |
7842 | |
7843 | nla_put_failure: | |
7844 | genlmsg_cancel(msg, hdr); | |
7845 | return -EMSGSIZE; | |
7846 | } | |
7847 | ||
7848 | static int nl80211_get_reg_dump(struct sk_buff *skb, | |
7849 | struct netlink_callback *cb) | |
7850 | { | |
7851 | const struct ieee80211_regdomain *regdom = NULL; | |
7852 | struct cfg80211_registered_device *rdev; | |
7853 | int err, reg_idx, start = cb->args[2]; | |
7854 | ||
7855 | rtnl_lock(); | |
7856 | ||
7857 | if (cfg80211_regdomain && start == 0) { | |
7858 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
7859 | NLM_F_MULTI, NULL, | |
7860 | rtnl_dereference(cfg80211_regdomain)); | |
7861 | if (err < 0) | |
7862 | goto out_err; | |
7863 | } | |
7864 | ||
7865 | /* the global regdom is idx 0 */ | |
7866 | reg_idx = 1; | |
7867 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { | |
7868 | regdom = get_wiphy_regdom(&rdev->wiphy); | |
7869 | if (!regdom) | |
7870 | continue; | |
7871 | ||
7872 | if (++reg_idx <= start) | |
7873 | continue; | |
7874 | ||
7875 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
7876 | NLM_F_MULTI, &rdev->wiphy, regdom); | |
7877 | if (err < 0) { | |
7878 | reg_idx--; | |
7879 | break; | |
7880 | } | |
7881 | } | |
7882 | ||
7883 | cb->args[2] = reg_idx; | |
7884 | err = skb->len; | |
7885 | out_err: | |
7886 | rtnl_unlock(); | |
7887 | return err; | |
7888 | } | |
7889 | ||
b6863036 JB |
7890 | #ifdef CONFIG_CFG80211_CRDA_SUPPORT |
7891 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { | |
7892 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, | |
7893 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
7894 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
7895 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
7896 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
7897 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
7898 | [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 }, | |
7899 | }; | |
7900 | ||
7901 | static int parse_reg_rule(struct nlattr *tb[], | |
7902 | struct ieee80211_reg_rule *reg_rule) | |
7903 | { | |
7904 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
7905 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
7906 | ||
7907 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
7908 | return -EINVAL; | |
7909 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
7910 | return -EINVAL; | |
7911 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
7912 | return -EINVAL; | |
7913 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
7914 | return -EINVAL; | |
7915 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
7916 | return -EINVAL; | |
7917 | ||
7918 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
7919 | ||
7920 | freq_range->start_freq_khz = | |
7921 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
7922 | freq_range->end_freq_khz = | |
7923 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
7924 | freq_range->max_bandwidth_khz = | |
7925 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
7926 | ||
7927 | power_rule->max_eirp = | |
7928 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
7929 | ||
7930 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
7931 | power_rule->max_antenna_gain = | |
7932 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
7933 | ||
7934 | if (tb[NL80211_ATTR_DFS_CAC_TIME]) | |
7935 | reg_rule->dfs_cac_ms = | |
7936 | nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]); | |
7937 | ||
7938 | return 0; | |
7939 | } | |
7940 | ||
b2e1b302 LR |
7941 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
7942 | { | |
7943 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
7944 | struct nlattr *nl_reg_rule; | |
ea372c54 JB |
7945 | char *alpha2; |
7946 | int rem_reg_rules, r; | |
391d132c | 7947 | u32 num_rules = 0, rule_idx = 0; |
4c7d3982 | 7948 | enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET; |
ea372c54 | 7949 | struct ieee80211_regdomain *rd; |
b2e1b302 LR |
7950 | |
7951 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
7952 | return -EINVAL; | |
7953 | ||
7954 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
7955 | return -EINVAL; | |
7956 | ||
7957 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
7958 | ||
8b60b078 LR |
7959 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
7960 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
7961 | ||
b2e1b302 | 7962 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 7963 | rem_reg_rules) { |
b2e1b302 LR |
7964 | num_rules++; |
7965 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 7966 | return -EINVAL; |
b2e1b302 LR |
7967 | } |
7968 | ||
a05829a7 JB |
7969 | rtnl_lock(); |
7970 | if (!reg_is_valid_request(alpha2)) { | |
7971 | r = -EINVAL; | |
7972 | goto out; | |
7973 | } | |
e438768f | 7974 | |
391d132c | 7975 | rd = kzalloc(struct_size(rd, reg_rules, num_rules), GFP_KERNEL); |
a05829a7 JB |
7976 | if (!rd) { |
7977 | r = -ENOMEM; | |
7978 | goto out; | |
7979 | } | |
b2e1b302 LR |
7980 | |
7981 | rd->n_reg_rules = num_rules; | |
7982 | rd->alpha2[0] = alpha2[0]; | |
7983 | rd->alpha2[1] = alpha2[1]; | |
7984 | ||
8b60b078 LR |
7985 | /* |
7986 | * Disable DFS master mode if the DFS region was | |
7987 | * not supported or known on this kernel. | |
7988 | */ | |
7989 | if (reg_supported_dfs_region(dfs_region)) | |
7990 | rd->dfs_region = dfs_region; | |
7991 | ||
b2e1b302 | 7992 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 7993 | rem_reg_rules) { |
8cb08174 JB |
7994 | r = nla_parse_nested_deprecated(tb, NL80211_REG_RULE_ATTR_MAX, |
7995 | nl_reg_rule, reg_rule_policy, | |
7996 | info->extack); | |
ae811e21 JB |
7997 | if (r) |
7998 | goto bad_reg; | |
b2e1b302 LR |
7999 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
8000 | if (r) | |
8001 | goto bad_reg; | |
8002 | ||
8003 | rule_idx++; | |
8004 | ||
d0e18f83 LR |
8005 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
8006 | r = -EINVAL; | |
b2e1b302 | 8007 | goto bad_reg; |
d0e18f83 | 8008 | } |
b2e1b302 LR |
8009 | } |
8010 | ||
a05829a7 | 8011 | r = set_regdom(rd, REGD_SOURCE_CRDA); |
06627990 | 8012 | /* set_regdom takes ownership of rd */ |
a05829a7 | 8013 | rd = NULL; |
d2372b31 | 8014 | bad_reg: |
b2e1b302 | 8015 | kfree(rd); |
a05829a7 JB |
8016 | out: |
8017 | rtnl_unlock(); | |
d0e18f83 | 8018 | return r; |
b2e1b302 | 8019 | } |
b6863036 | 8020 | #endif /* CONFIG_CFG80211_CRDA_SUPPORT */ |
b2e1b302 | 8021 | |
83f5e2cf JB |
8022 | static int validate_scan_freqs(struct nlattr *freqs) |
8023 | { | |
8024 | struct nlattr *attr1, *attr2; | |
8025 | int n_channels = 0, tmp1, tmp2; | |
8026 | ||
d7f13f74 SD |
8027 | nla_for_each_nested(attr1, freqs, tmp1) |
8028 | if (nla_len(attr1) != sizeof(u32)) | |
8029 | return 0; | |
8030 | ||
83f5e2cf JB |
8031 | nla_for_each_nested(attr1, freqs, tmp1) { |
8032 | n_channels++; | |
8033 | /* | |
8034 | * Some hardware has a limited channel list for | |
8035 | * scanning, and it is pretty much nonsensical | |
8036 | * to scan for a channel twice, so disallow that | |
8037 | * and don't require drivers to check that the | |
8038 | * channel list they get isn't longer than what | |
8039 | * they can scan, as long as they can scan all | |
8040 | * the channels they registered at once. | |
8041 | */ | |
8042 | nla_for_each_nested(attr2, freqs, tmp2) | |
8043 | if (attr1 != attr2 && | |
8044 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
8045 | return 0; | |
8046 | } | |
8047 | ||
8048 | return n_channels; | |
8049 | } | |
8050 | ||
57fbcce3 | 8051 | static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b) |
38de03d2 | 8052 | { |
57fbcce3 | 8053 | return b < NUM_NL80211_BANDS && wiphy->bands[b]; |
38de03d2 AS |
8054 | } |
8055 | ||
8056 | static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy, | |
8057 | struct cfg80211_bss_selection *bss_select) | |
8058 | { | |
8059 | struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1]; | |
8060 | struct nlattr *nest; | |
8061 | int err; | |
8062 | bool found = false; | |
8063 | int i; | |
8064 | ||
8065 | /* only process one nested attribute */ | |
8066 | nest = nla_data(nla); | |
8067 | if (!nla_ok(nest, nla_len(nest))) | |
8068 | return -EINVAL; | |
8069 | ||
8cb08174 JB |
8070 | err = nla_parse_nested_deprecated(attr, NL80211_BSS_SELECT_ATTR_MAX, |
8071 | nest, nl80211_bss_select_policy, | |
8072 | NULL); | |
38de03d2 AS |
8073 | if (err) |
8074 | return err; | |
8075 | ||
8076 | /* only one attribute may be given */ | |
8077 | for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) { | |
8078 | if (attr[i]) { | |
8079 | if (found) | |
8080 | return -EINVAL; | |
8081 | found = true; | |
8082 | } | |
8083 | } | |
8084 | ||
8085 | bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID; | |
8086 | ||
8087 | if (attr[NL80211_BSS_SELECT_ATTR_RSSI]) | |
8088 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI; | |
8089 | ||
8090 | if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) { | |
8091 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF; | |
8092 | bss_select->param.band_pref = | |
8093 | nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]); | |
8094 | if (!is_band_valid(wiphy, bss_select->param.band_pref)) | |
8095 | return -EINVAL; | |
8096 | } | |
8097 | ||
8098 | if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) { | |
8099 | struct nl80211_bss_select_rssi_adjust *adj_param; | |
8100 | ||
8101 | adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]); | |
8102 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST; | |
8103 | bss_select->param.adjust.band = adj_param->band; | |
8104 | bss_select->param.adjust.delta = adj_param->delta; | |
8105 | if (!is_band_valid(wiphy, bss_select->param.adjust.band)) | |
8106 | return -EINVAL; | |
8107 | } | |
8108 | ||
8109 | /* user-space did not provide behaviour attribute */ | |
8110 | if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID) | |
8111 | return -EINVAL; | |
8112 | ||
8113 | if (!(wiphy->bss_select_support & BIT(bss_select->behaviour))) | |
8114 | return -EINVAL; | |
8115 | ||
8116 | return 0; | |
8117 | } | |
8118 | ||
9bb7e0f2 JB |
8119 | int nl80211_parse_random_mac(struct nlattr **attrs, |
8120 | u8 *mac_addr, u8 *mac_addr_mask) | |
ad2b26ab JB |
8121 | { |
8122 | int i; | |
8123 | ||
8124 | if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) { | |
d2beae10 JP |
8125 | eth_zero_addr(mac_addr); |
8126 | eth_zero_addr(mac_addr_mask); | |
ad2b26ab JB |
8127 | mac_addr[0] = 0x2; |
8128 | mac_addr_mask[0] = 0x3; | |
8129 | ||
8130 | return 0; | |
8131 | } | |
8132 | ||
8133 | /* need both or none */ | |
8134 | if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK]) | |
8135 | return -EINVAL; | |
8136 | ||
8137 | memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN); | |
8138 | memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN); | |
8139 | ||
8140 | /* don't allow or configure an mcast address */ | |
8141 | if (!is_multicast_ether_addr(mac_addr_mask) || | |
8142 | is_multicast_ether_addr(mac_addr)) | |
8143 | return -EINVAL; | |
8144 | ||
8145 | /* | |
8146 | * allow users to pass a MAC address that has bits set outside | |
8147 | * of the mask, but don't bother drivers with having to deal | |
8148 | * with such bits | |
8149 | */ | |
8150 | for (i = 0; i < ETH_ALEN; i++) | |
8151 | mac_addr[i] &= mac_addr_mask[i]; | |
8152 | ||
8153 | return 0; | |
8154 | } | |
8155 | ||
34373d12 VT |
8156 | static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev) |
8157 | { | |
8158 | ASSERT_WDEV_LOCK(wdev); | |
8159 | ||
8160 | if (!cfg80211_beaconing_iface_active(wdev)) | |
8161 | return true; | |
8162 | ||
8163 | if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR)) | |
8164 | return true; | |
8165 | ||
8166 | return regulatory_pre_cac_allowed(wdev->wiphy); | |
8167 | } | |
8168 | ||
db0a4ad8 JB |
8169 | static bool nl80211_check_scan_feat(struct wiphy *wiphy, u32 flags, u32 flag, |
8170 | enum nl80211_ext_feature_index feat) | |
8171 | { | |
8172 | if (!(flags & flag)) | |
8173 | return true; | |
8174 | if (wiphy_ext_feature_isset(wiphy, feat)) | |
8175 | return true; | |
8176 | return false; | |
8177 | } | |
8178 | ||
2d23d073 RZ |
8179 | static int |
8180 | nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev, | |
8181 | void *request, struct nlattr **attrs, | |
8182 | bool is_sched_scan) | |
8183 | { | |
8184 | u8 *mac_addr, *mac_addr_mask; | |
8185 | u32 *flags; | |
8186 | enum nl80211_feature_flags randomness_flag; | |
8187 | ||
8188 | if (!attrs[NL80211_ATTR_SCAN_FLAGS]) | |
8189 | return 0; | |
8190 | ||
8191 | if (is_sched_scan) { | |
8192 | struct cfg80211_sched_scan_request *req = request; | |
8193 | ||
8194 | randomness_flag = wdev ? | |
8195 | NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR : | |
8196 | NL80211_FEATURE_ND_RANDOM_MAC_ADDR; | |
8197 | flags = &req->flags; | |
8198 | mac_addr = req->mac_addr; | |
8199 | mac_addr_mask = req->mac_addr_mask; | |
8200 | } else { | |
8201 | struct cfg80211_scan_request *req = request; | |
8202 | ||
8203 | randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; | |
8204 | flags = &req->flags; | |
8205 | mac_addr = req->mac_addr; | |
8206 | mac_addr_mask = req->mac_addr_mask; | |
8207 | } | |
8208 | ||
8209 | *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]); | |
8210 | ||
5037a009 SD |
8211 | if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
8212 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) || | |
db0a4ad8 JB |
8213 | !nl80211_check_scan_feat(wiphy, *flags, |
8214 | NL80211_SCAN_FLAG_LOW_SPAN, | |
8215 | NL80211_EXT_FEATURE_LOW_SPAN_SCAN) || | |
8216 | !nl80211_check_scan_feat(wiphy, *flags, | |
8217 | NL80211_SCAN_FLAG_LOW_POWER, | |
8218 | NL80211_EXT_FEATURE_LOW_POWER_SCAN) || | |
8219 | !nl80211_check_scan_feat(wiphy, *flags, | |
8220 | NL80211_SCAN_FLAG_HIGH_ACCURACY, | |
8221 | NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN) || | |
8222 | !nl80211_check_scan_feat(wiphy, *flags, | |
8223 | NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME, | |
8224 | NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME) || | |
8225 | !nl80211_check_scan_feat(wiphy, *flags, | |
8226 | NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP, | |
8227 | NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP) || | |
8228 | !nl80211_check_scan_feat(wiphy, *flags, | |
8229 | NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION, | |
8230 | NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) || | |
8231 | !nl80211_check_scan_feat(wiphy, *flags, | |
8232 | NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE, | |
2e076f19 JB |
8233 | NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE) || |
8234 | !nl80211_check_scan_feat(wiphy, *flags, | |
8235 | NL80211_SCAN_FLAG_RANDOM_SN, | |
8236 | NL80211_EXT_FEATURE_SCAN_RANDOM_SN) || | |
8237 | !nl80211_check_scan_feat(wiphy, *flags, | |
8238 | NL80211_SCAN_FLAG_MIN_PREQ_CONTENT, | |
8239 | NL80211_EXT_FEATURE_SCAN_MIN_PREQ_CONTENT)) | |
2d23d073 RZ |
8240 | return -EOPNOTSUPP; |
8241 | ||
8242 | if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { | |
8243 | int err; | |
8244 | ||
8245 | if (!(wiphy->features & randomness_flag) || | |
8246 | (wdev && wdev->current_bss)) | |
8247 | return -EOPNOTSUPP; | |
8248 | ||
8249 | err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask); | |
8250 | if (err) | |
8251 | return err; | |
8252 | } | |
8253 | ||
2d23d073 RZ |
8254 | return 0; |
8255 | } | |
8256 | ||
2a519311 JB |
8257 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
8258 | { | |
4c476991 | 8259 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 8260 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 8261 | struct cfg80211_scan_request *request; |
2032f3b2 TP |
8262 | struct nlattr *scan_freqs = NULL; |
8263 | bool scan_freqs_khz = false; | |
2a519311 JB |
8264 | struct nlattr *attr; |
8265 | struct wiphy *wiphy; | |
83f5e2cf | 8266 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 8267 | size_t ie_len; |
2a519311 | 8268 | |
79c97e97 | 8269 | wiphy = &rdev->wiphy; |
2a519311 | 8270 | |
cb3b7d87 AB |
8271 | if (wdev->iftype == NL80211_IFTYPE_NAN) |
8272 | return -EOPNOTSUPP; | |
8273 | ||
4c476991 JB |
8274 | if (!rdev->ops->scan) |
8275 | return -EOPNOTSUPP; | |
2a519311 | 8276 | |
83286856 CJ |
8277 | if (rdev->scan_req || rdev->scan_msg) |
8278 | return -EBUSY; | |
2a519311 | 8279 | |
2032f3b2 TP |
8280 | if (info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ]) { |
8281 | if (!wiphy_ext_feature_isset(wiphy, | |
8282 | NL80211_EXT_FEATURE_SCAN_FREQ_KHZ)) | |
8283 | return -EOPNOTSUPP; | |
8284 | scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQ_KHZ]; | |
8285 | scan_freqs_khz = true; | |
8286 | } else if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) | |
8287 | scan_freqs = info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]; | |
8288 | ||
8289 | if (scan_freqs) { | |
8290 | n_channels = validate_scan_freqs(scan_freqs); | |
83286856 CJ |
8291 | if (!n_channels) |
8292 | return -EINVAL; | |
2a519311 | 8293 | } else { |
bdfbec2d | 8294 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
2a519311 JB |
8295 | } |
8296 | ||
8297 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
8298 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
8299 | n_ssids++; | |
8300 | ||
83286856 CJ |
8301 | if (n_ssids > wiphy->max_scan_ssids) |
8302 | return -EINVAL; | |
2a519311 | 8303 | |
70692ad2 JM |
8304 | if (info->attrs[NL80211_ATTR_IE]) |
8305 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8306 | else | |
8307 | ie_len = 0; | |
8308 | ||
83286856 CJ |
8309 | if (ie_len > wiphy->max_scan_ie_len) |
8310 | return -EINVAL; | |
18a83659 | 8311 | |
2a519311 | 8312 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
8313 | + sizeof(*request->ssids) * n_ssids |
8314 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 8315 | + ie_len, GFP_KERNEL); |
83286856 CJ |
8316 | if (!request) |
8317 | return -ENOMEM; | |
2a519311 | 8318 | |
2a519311 | 8319 | if (n_ssids) |
5ba63533 | 8320 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 8321 | request->n_ssids = n_ssids; |
70692ad2 | 8322 | if (ie_len) { |
13874e4b | 8323 | if (n_ssids) |
70692ad2 JM |
8324 | request->ie = (void *)(request->ssids + n_ssids); |
8325 | else | |
8326 | request->ie = (void *)(request->channels + n_channels); | |
8327 | } | |
2a519311 | 8328 | |
584991dc | 8329 | i = 0; |
2032f3b2 | 8330 | if (scan_freqs) { |
2a519311 | 8331 | /* user specified, bail out if channel not found */ |
2032f3b2 | 8332 | nla_for_each_nested(attr, scan_freqs, tmp) { |
584991dc | 8333 | struct ieee80211_channel *chan; |
2032f3b2 | 8334 | int freq = nla_get_u32(attr); |
584991dc | 8335 | |
2032f3b2 TP |
8336 | if (!scan_freqs_khz) |
8337 | freq = MHZ_TO_KHZ(freq); | |
584991dc | 8338 | |
2032f3b2 | 8339 | chan = ieee80211_get_channel_khz(wiphy, freq); |
584991dc | 8340 | if (!chan) { |
2a519311 JB |
8341 | err = -EINVAL; |
8342 | goto out_free; | |
8343 | } | |
584991dc JB |
8344 | |
8345 | /* ignore disabled channels */ | |
8346 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
8347 | continue; | |
8348 | ||
8349 | request->channels[i] = chan; | |
2a519311 JB |
8350 | i++; |
8351 | } | |
8352 | } else { | |
57fbcce3 | 8353 | enum nl80211_band band; |
34850ab2 | 8354 | |
2a519311 | 8355 | /* all channels */ |
57fbcce3 | 8356 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
2a519311 | 8357 | int j; |
7a087e74 | 8358 | |
2a519311 JB |
8359 | if (!wiphy->bands[band]) |
8360 | continue; | |
8361 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
8362 | struct ieee80211_channel *chan; |
8363 | ||
8364 | chan = &wiphy->bands[band]->channels[j]; | |
8365 | ||
8366 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
8367 | continue; | |
8368 | ||
8369 | request->channels[i] = chan; | |
2a519311 JB |
8370 | i++; |
8371 | } | |
8372 | } | |
8373 | } | |
8374 | ||
584991dc JB |
8375 | if (!i) { |
8376 | err = -EINVAL; | |
8377 | goto out_free; | |
8378 | } | |
8379 | ||
8380 | request->n_channels = i; | |
8381 | ||
34373d12 VT |
8382 | wdev_lock(wdev); |
8383 | if (!cfg80211_off_channel_oper_allowed(wdev)) { | |
8384 | struct ieee80211_channel *chan; | |
8385 | ||
8386 | if (request->n_channels != 1) { | |
8387 | wdev_unlock(wdev); | |
8388 | err = -EBUSY; | |
8389 | goto out_free; | |
8390 | } | |
8391 | ||
8392 | chan = request->channels[0]; | |
8393 | if (chan->center_freq != wdev->chandef.chan->center_freq) { | |
8394 | wdev_unlock(wdev); | |
8395 | err = -EBUSY; | |
8396 | goto out_free; | |
8397 | } | |
8398 | } | |
8399 | wdev_unlock(wdev); | |
8400 | ||
2a519311 | 8401 | i = 0; |
13874e4b | 8402 | if (n_ssids) { |
2a519311 | 8403 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { |
57a27e1d | 8404 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
8405 | err = -EINVAL; |
8406 | goto out_free; | |
8407 | } | |
57a27e1d | 8408 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 8409 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
8410 | i++; |
8411 | } | |
8412 | } | |
8413 | ||
70692ad2 JM |
8414 | if (info->attrs[NL80211_ATTR_IE]) { |
8415 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
8416 | memcpy((void *)request->ie, |
8417 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
8418 | request->ie_len); |
8419 | } | |
8420 | ||
57fbcce3 | 8421 | for (i = 0; i < NUM_NL80211_BANDS; i++) |
a401d2bb JB |
8422 | if (wiphy->bands[i]) |
8423 | request->rates[i] = | |
8424 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
8425 | |
8426 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
8427 | nla_for_each_nested(attr, | |
8428 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
8429 | tmp) { | |
57fbcce3 | 8430 | enum nl80211_band band = nla_type(attr); |
34850ab2 | 8431 | |
57fbcce3 | 8432 | if (band < 0 || band >= NUM_NL80211_BANDS) { |
34850ab2 JB |
8433 | err = -EINVAL; |
8434 | goto out_free; | |
8435 | } | |
1b09cd82 FF |
8436 | |
8437 | if (!wiphy->bands[band]) | |
8438 | continue; | |
8439 | ||
34850ab2 JB |
8440 | err = ieee80211_get_ratemask(wiphy->bands[band], |
8441 | nla_data(attr), | |
8442 | nla_len(attr), | |
8443 | &request->rates[band]); | |
8444 | if (err) | |
8445 | goto out_free; | |
8446 | } | |
8447 | } | |
8448 | ||
1d76250b | 8449 | if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) { |
1d76250b AS |
8450 | request->duration = |
8451 | nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]); | |
8452 | request->duration_mandatory = | |
8453 | nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]); | |
8454 | } | |
8455 | ||
2d23d073 RZ |
8456 | err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs, |
8457 | false); | |
8458 | if (err) | |
8459 | goto out_free; | |
ed473771 | 8460 | |
e9f935e3 RM |
8461 | request->no_cck = |
8462 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
8463 | ||
2fa436b3 VK |
8464 | /* Initial implementation used NL80211_ATTR_MAC to set the specific |
8465 | * BSSID to scan for. This was problematic because that same attribute | |
8466 | * was already used for another purpose (local random MAC address). The | |
8467 | * NL80211_ATTR_BSSID attribute was added to fix this. For backwards | |
8468 | * compatibility with older userspace components, also use the | |
8469 | * NL80211_ATTR_MAC value here if it can be determined to be used for | |
8470 | * the specific BSSID use case instead of the random MAC address | |
8471 | * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use). | |
8472 | */ | |
8473 | if (info->attrs[NL80211_ATTR_BSSID]) | |
8474 | memcpy(request->bssid, | |
8475 | nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN); | |
8476 | else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) && | |
8477 | info->attrs[NL80211_ATTR_MAC]) | |
818965d3 JM |
8478 | memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]), |
8479 | ETH_ALEN); | |
8480 | else | |
8481 | eth_broadcast_addr(request->bssid); | |
8482 | ||
fd014284 | 8483 | request->wdev = wdev; |
79c97e97 | 8484 | request->wiphy = &rdev->wiphy; |
15d6030b | 8485 | request->scan_start = jiffies; |
2a519311 | 8486 | |
79c97e97 | 8487 | rdev->scan_req = request; |
c8cb5b85 | 8488 | err = cfg80211_scan(rdev); |
2a519311 | 8489 | |
504776be CJ |
8490 | if (err) |
8491 | goto out_free; | |
8492 | ||
8493 | nl80211_send_scan_start(rdev, wdev); | |
1160dfa1 | 8494 | dev_hold(wdev->netdev); |
504776be CJ |
8495 | |
8496 | return 0; | |
8497 | ||
2a519311 | 8498 | out_free: |
504776be CJ |
8499 | rdev->scan_req = NULL; |
8500 | kfree(request); | |
3b85875a | 8501 | |
2a519311 JB |
8502 | return err; |
8503 | } | |
8504 | ||
91d3ab46 VK |
8505 | static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info) |
8506 | { | |
8507 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8508 | struct wireless_dev *wdev = info->user_ptr[1]; | |
8509 | ||
8510 | if (!rdev->ops->abort_scan) | |
8511 | return -EOPNOTSUPP; | |
8512 | ||
8513 | if (rdev->scan_msg) | |
8514 | return 0; | |
8515 | ||
8516 | if (!rdev->scan_req) | |
8517 | return -ENOENT; | |
8518 | ||
8519 | rdev_abort_scan(rdev, wdev); | |
8520 | return 0; | |
8521 | } | |
8522 | ||
3b06d277 AS |
8523 | static int |
8524 | nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans, | |
8525 | struct cfg80211_sched_scan_request *request, | |
8526 | struct nlattr **attrs) | |
8527 | { | |
8528 | int tmp, err, i = 0; | |
8529 | struct nlattr *attr; | |
8530 | ||
8531 | if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) { | |
8532 | u32 interval; | |
8533 | ||
8534 | /* | |
8535 | * If scan plans are not specified, | |
5a88de53 | 8536 | * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this |
3b06d277 AS |
8537 | * case one scan plan will be set with the specified scan |
8538 | * interval and infinite number of iterations. | |
8539 | */ | |
3b06d277 AS |
8540 | interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); |
8541 | if (!interval) | |
8542 | return -EINVAL; | |
8543 | ||
8544 | request->scan_plans[0].interval = | |
8545 | DIV_ROUND_UP(interval, MSEC_PER_SEC); | |
8546 | if (!request->scan_plans[0].interval) | |
8547 | return -EINVAL; | |
8548 | ||
8549 | if (request->scan_plans[0].interval > | |
8550 | wiphy->max_sched_scan_plan_interval) | |
8551 | request->scan_plans[0].interval = | |
8552 | wiphy->max_sched_scan_plan_interval; | |
8553 | ||
8554 | return 0; | |
8555 | } | |
8556 | ||
8557 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) { | |
8558 | struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1]; | |
8559 | ||
8560 | if (WARN_ON(i >= n_plans)) | |
8561 | return -EINVAL; | |
8562 | ||
8cb08174 JB |
8563 | err = nla_parse_nested_deprecated(plan, |
8564 | NL80211_SCHED_SCAN_PLAN_MAX, | |
8565 | attr, nl80211_plan_policy, | |
8566 | NULL); | |
3b06d277 AS |
8567 | if (err) |
8568 | return err; | |
8569 | ||
8570 | if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]) | |
8571 | return -EINVAL; | |
8572 | ||
8573 | request->scan_plans[i].interval = | |
8574 | nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]); | |
8575 | if (!request->scan_plans[i].interval || | |
8576 | request->scan_plans[i].interval > | |
8577 | wiphy->max_sched_scan_plan_interval) | |
8578 | return -EINVAL; | |
8579 | ||
8580 | if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) { | |
8581 | request->scan_plans[i].iterations = | |
8582 | nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]); | |
8583 | if (!request->scan_plans[i].iterations || | |
8584 | (request->scan_plans[i].iterations > | |
8585 | wiphy->max_sched_scan_plan_iterations)) | |
8586 | return -EINVAL; | |
8587 | } else if (i < n_plans - 1) { | |
8588 | /* | |
8589 | * All scan plans but the last one must specify | |
8590 | * a finite number of iterations | |
8591 | */ | |
8592 | return -EINVAL; | |
8593 | } | |
8594 | ||
8595 | i++; | |
8596 | } | |
8597 | ||
8598 | /* | |
8599 | * The last scan plan must not specify the number of | |
8600 | * iterations, it is supposed to run infinitely | |
8601 | */ | |
8602 | if (request->scan_plans[n_plans - 1].iterations) | |
8603 | return -EINVAL; | |
8604 | ||
8605 | return 0; | |
8606 | } | |
8607 | ||
1e1b11b6 | 8608 | static int |
8609 | nl80211_parse_sched_scan_per_band_rssi(struct wiphy *wiphy, | |
8610 | struct cfg80211_match_set *match_sets, | |
8611 | struct nlattr *tb_band_rssi, | |
8612 | s32 rssi_thold) | |
8613 | { | |
8614 | struct nlattr *attr; | |
8615 | int i, tmp, ret = 0; | |
8616 | ||
8617 | if (!wiphy_ext_feature_isset(wiphy, | |
8618 | NL80211_EXT_FEATURE_SCHED_SCAN_BAND_SPECIFIC_RSSI_THOLD)) { | |
8619 | if (tb_band_rssi) | |
8620 | ret = -EOPNOTSUPP; | |
8621 | else | |
8622 | for (i = 0; i < NUM_NL80211_BANDS; i++) | |
8623 | match_sets->per_band_rssi_thold[i] = | |
8624 | NL80211_SCAN_RSSI_THOLD_OFF; | |
8625 | return ret; | |
8626 | } | |
8627 | ||
8628 | for (i = 0; i < NUM_NL80211_BANDS; i++) | |
8629 | match_sets->per_band_rssi_thold[i] = rssi_thold; | |
8630 | ||
8631 | nla_for_each_nested(attr, tb_band_rssi, tmp) { | |
8632 | enum nl80211_band band = nla_type(attr); | |
8633 | ||
8634 | if (band < 0 || band >= NUM_NL80211_BANDS) | |
8635 | return -EINVAL; | |
8636 | ||
8637 | match_sets->per_band_rssi_thold[band] = nla_get_s32(attr); | |
8638 | } | |
8639 | ||
8640 | return 0; | |
8641 | } | |
8642 | ||
256da02d | 8643 | static struct cfg80211_sched_scan_request * |
ad2b26ab | 8644 | nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, |
aad1e812 | 8645 | struct nlattr **attrs, int max_match_sets) |
807f8a8c LC |
8646 | { |
8647 | struct cfg80211_sched_scan_request *request; | |
807f8a8c | 8648 | struct nlattr *attr; |
3b06d277 | 8649 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0; |
57fbcce3 | 8650 | enum nl80211_band band; |
807f8a8c | 8651 | size_t ie_len; |
a1f1c21c | 8652 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
ea73cbce | 8653 | s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF; |
807f8a8c | 8654 | |
256da02d | 8655 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c | 8656 | n_channels = validate_scan_freqs( |
256da02d | 8657 | attrs[NL80211_ATTR_SCAN_FREQUENCIES]); |
807f8a8c | 8658 | if (!n_channels) |
256da02d | 8659 | return ERR_PTR(-EINVAL); |
807f8a8c | 8660 | } else { |
bdfbec2d | 8661 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
807f8a8c LC |
8662 | } |
8663 | ||
256da02d LC |
8664 | if (attrs[NL80211_ATTR_SCAN_SSIDS]) |
8665 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], | |
807f8a8c LC |
8666 | tmp) |
8667 | n_ssids++; | |
8668 | ||
93b6aa69 | 8669 | if (n_ssids > wiphy->max_sched_scan_ssids) |
256da02d | 8670 | return ERR_PTR(-EINVAL); |
807f8a8c | 8671 | |
ea73cbce JB |
8672 | /* |
8673 | * First, count the number of 'real' matchsets. Due to an issue with | |
8674 | * the old implementation, matchsets containing only the RSSI attribute | |
8675 | * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default' | |
8676 | * RSSI for all matchsets, rather than their own matchset for reporting | |
8677 | * all APs with a strong RSSI. This is needed to be compatible with | |
8678 | * older userspace that treated a matchset with only the RSSI as the | |
8679 | * global RSSI for all other matchsets - if there are other matchsets. | |
8680 | */ | |
256da02d | 8681 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 8682 | nla_for_each_nested(attr, |
256da02d | 8683 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
ea73cbce JB |
8684 | tmp) { |
8685 | struct nlattr *rssi; | |
8686 | ||
8cb08174 JB |
8687 | err = nla_parse_nested_deprecated(tb, |
8688 | NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
8689 | attr, | |
8690 | nl80211_match_policy, | |
8691 | NULL); | |
ea73cbce | 8692 | if (err) |
256da02d | 8693 | return ERR_PTR(err); |
3007e352 AVS |
8694 | |
8695 | /* SSID and BSSID are mutually exclusive */ | |
8696 | if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] && | |
8697 | tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) | |
8698 | return ERR_PTR(-EINVAL); | |
8699 | ||
ea73cbce | 8700 | /* add other standalone attributes here */ |
3007e352 AVS |
8701 | if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] || |
8702 | tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) { | |
ea73cbce JB |
8703 | n_match_sets++; |
8704 | continue; | |
8705 | } | |
8706 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
8707 | if (rssi) | |
8708 | default_match_rssi = nla_get_s32(rssi); | |
8709 | } | |
8710 | } | |
8711 | ||
8712 | /* However, if there's no other matchset, add the RSSI one */ | |
8713 | if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF) | |
8714 | n_match_sets = 1; | |
a1f1c21c | 8715 | |
aad1e812 | 8716 | if (n_match_sets > max_match_sets) |
256da02d | 8717 | return ERR_PTR(-EINVAL); |
a1f1c21c | 8718 | |
256da02d LC |
8719 | if (attrs[NL80211_ATTR_IE]) |
8720 | ie_len = nla_len(attrs[NL80211_ATTR_IE]); | |
807f8a8c LC |
8721 | else |
8722 | ie_len = 0; | |
8723 | ||
5a865bad | 8724 | if (ie_len > wiphy->max_sched_scan_ie_len) |
256da02d | 8725 | return ERR_PTR(-EINVAL); |
c10841ca | 8726 | |
3b06d277 AS |
8727 | if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) { |
8728 | /* | |
8729 | * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since | |
8730 | * each scan plan already specifies its own interval | |
8731 | */ | |
8732 | if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
8733 | return ERR_PTR(-EINVAL); | |
8734 | ||
8735 | nla_for_each_nested(attr, | |
8736 | attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) | |
8737 | n_plans++; | |
8738 | } else { | |
8739 | /* | |
8740 | * The scan interval attribute is kept for backward | |
8741 | * compatibility. If no scan plans are specified and sched scan | |
8742 | * interval is specified, one scan plan will be set with this | |
8743 | * scan interval and infinite number of iterations. | |
8744 | */ | |
8745 | if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
8746 | return ERR_PTR(-EINVAL); | |
8747 | ||
8748 | n_plans = 1; | |
8749 | } | |
8750 | ||
8751 | if (!n_plans || n_plans > wiphy->max_sched_scan_plans) | |
8752 | return ERR_PTR(-EINVAL); | |
8753 | ||
bf95ecdb | 8754 | if (!wiphy_ext_feature_isset( |
8755 | wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) && | |
8756 | (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] || | |
8757 | attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST])) | |
8758 | return ERR_PTR(-EINVAL); | |
8759 | ||
807f8a8c | 8760 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 8761 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 8762 | + sizeof(*request->match_sets) * n_match_sets |
3b06d277 | 8763 | + sizeof(*request->scan_plans) * n_plans |
a2cd43c5 | 8764 | + sizeof(*request->channels) * n_channels |
807f8a8c | 8765 | + ie_len, GFP_KERNEL); |
256da02d LC |
8766 | if (!request) |
8767 | return ERR_PTR(-ENOMEM); | |
807f8a8c LC |
8768 | |
8769 | if (n_ssids) | |
8770 | request->ssids = (void *)&request->channels[n_channels]; | |
8771 | request->n_ssids = n_ssids; | |
8772 | if (ie_len) { | |
13874e4b | 8773 | if (n_ssids) |
807f8a8c LC |
8774 | request->ie = (void *)(request->ssids + n_ssids); |
8775 | else | |
8776 | request->ie = (void *)(request->channels + n_channels); | |
8777 | } | |
8778 | ||
a1f1c21c LC |
8779 | if (n_match_sets) { |
8780 | if (request->ie) | |
8781 | request->match_sets = (void *)(request->ie + ie_len); | |
13874e4b | 8782 | else if (n_ssids) |
a1f1c21c LC |
8783 | request->match_sets = |
8784 | (void *)(request->ssids + n_ssids); | |
8785 | else | |
8786 | request->match_sets = | |
8787 | (void *)(request->channels + n_channels); | |
8788 | } | |
8789 | request->n_match_sets = n_match_sets; | |
8790 | ||
3b06d277 AS |
8791 | if (n_match_sets) |
8792 | request->scan_plans = (void *)(request->match_sets + | |
8793 | n_match_sets); | |
8794 | else if (request->ie) | |
8795 | request->scan_plans = (void *)(request->ie + ie_len); | |
8796 | else if (n_ssids) | |
8797 | request->scan_plans = (void *)(request->ssids + n_ssids); | |
8798 | else | |
8799 | request->scan_plans = (void *)(request->channels + n_channels); | |
8800 | ||
8801 | request->n_scan_plans = n_plans; | |
8802 | ||
807f8a8c | 8803 | i = 0; |
256da02d | 8804 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c LC |
8805 | /* user specified, bail out if channel not found */ |
8806 | nla_for_each_nested(attr, | |
256da02d | 8807 | attrs[NL80211_ATTR_SCAN_FREQUENCIES], |
807f8a8c LC |
8808 | tmp) { |
8809 | struct ieee80211_channel *chan; | |
8810 | ||
8811 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
8812 | ||
8813 | if (!chan) { | |
8814 | err = -EINVAL; | |
8815 | goto out_free; | |
8816 | } | |
8817 | ||
8818 | /* ignore disabled channels */ | |
8819 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
8820 | continue; | |
8821 | ||
8822 | request->channels[i] = chan; | |
8823 | i++; | |
8824 | } | |
8825 | } else { | |
8826 | /* all channels */ | |
57fbcce3 | 8827 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
807f8a8c | 8828 | int j; |
7a087e74 | 8829 | |
807f8a8c LC |
8830 | if (!wiphy->bands[band]) |
8831 | continue; | |
8832 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
8833 | struct ieee80211_channel *chan; | |
8834 | ||
8835 | chan = &wiphy->bands[band]->channels[j]; | |
8836 | ||
8837 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
8838 | continue; | |
8839 | ||
8840 | request->channels[i] = chan; | |
8841 | i++; | |
8842 | } | |
8843 | } | |
8844 | } | |
8845 | ||
8846 | if (!i) { | |
8847 | err = -EINVAL; | |
8848 | goto out_free; | |
8849 | } | |
8850 | ||
8851 | request->n_channels = i; | |
8852 | ||
8853 | i = 0; | |
13874e4b | 8854 | if (n_ssids) { |
256da02d | 8855 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], |
807f8a8c | 8856 | tmp) { |
57a27e1d | 8857 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
8858 | err = -EINVAL; |
8859 | goto out_free; | |
8860 | } | |
57a27e1d | 8861 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
8862 | memcpy(request->ssids[i].ssid, nla_data(attr), |
8863 | nla_len(attr)); | |
807f8a8c LC |
8864 | i++; |
8865 | } | |
8866 | } | |
8867 | ||
a1f1c21c | 8868 | i = 0; |
256da02d | 8869 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 8870 | nla_for_each_nested(attr, |
256da02d | 8871 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
a1f1c21c | 8872 | tmp) { |
3007e352 | 8873 | struct nlattr *ssid, *bssid, *rssi; |
a1f1c21c | 8874 | |
8cb08174 JB |
8875 | err = nla_parse_nested_deprecated(tb, |
8876 | NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
8877 | attr, | |
8878 | nl80211_match_policy, | |
8879 | NULL); | |
ae811e21 JB |
8880 | if (err) |
8881 | goto out_free; | |
4a4ab0d7 | 8882 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
3007e352 | 8883 | bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]; |
d39f3b4f JB |
8884 | |
8885 | if (!ssid && !bssid) { | |
8886 | i++; | |
8887 | continue; | |
8888 | } | |
8889 | ||
8890 | if (WARN_ON(i >= n_match_sets)) { | |
8891 | /* this indicates a programming error, | |
8892 | * the loop above should have verified | |
8893 | * things properly | |
8894 | */ | |
8895 | err = -EINVAL; | |
8896 | goto out_free; | |
8897 | } | |
8898 | ||
8899 | if (ssid) { | |
d39f3b4f JB |
8900 | memcpy(request->match_sets[i].ssid.ssid, |
8901 | nla_data(ssid), nla_len(ssid)); | |
8902 | request->match_sets[i].ssid.ssid_len = | |
8903 | nla_len(ssid); | |
8904 | } | |
cb9abd48 | 8905 | if (bssid) |
d39f3b4f JB |
8906 | memcpy(request->match_sets[i].bssid, |
8907 | nla_data(bssid), ETH_ALEN); | |
3007e352 | 8908 | |
d39f3b4f JB |
8909 | /* special attribute - old implementation w/a */ |
8910 | request->match_sets[i].rssi_thold = default_match_rssi; | |
8911 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
8912 | if (rssi) | |
ea73cbce | 8913 | request->match_sets[i].rssi_thold = |
d39f3b4f | 8914 | nla_get_s32(rssi); |
1e1b11b6 | 8915 | |
8916 | /* Parse per band RSSI attribute */ | |
8917 | err = nl80211_parse_sched_scan_per_band_rssi(wiphy, | |
8918 | &request->match_sets[i], | |
8919 | tb[NL80211_SCHED_SCAN_MATCH_PER_BAND_RSSI], | |
8920 | request->match_sets[i].rssi_thold); | |
8921 | if (err) | |
8922 | goto out_free; | |
8923 | ||
a1f1c21c LC |
8924 | i++; |
8925 | } | |
ea73cbce JB |
8926 | |
8927 | /* there was no other matchset, so the RSSI one is alone */ | |
f89f46cf | 8928 | if (i == 0 && n_match_sets) |
ea73cbce JB |
8929 | request->match_sets[0].rssi_thold = default_match_rssi; |
8930 | ||
8931 | request->min_rssi_thold = INT_MAX; | |
8932 | for (i = 0; i < n_match_sets; i++) | |
8933 | request->min_rssi_thold = | |
8934 | min(request->match_sets[i].rssi_thold, | |
8935 | request->min_rssi_thold); | |
8936 | } else { | |
8937 | request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
8938 | } |
8939 | ||
9900e484 JB |
8940 | if (ie_len) { |
8941 | request->ie_len = ie_len; | |
807f8a8c | 8942 | memcpy((void *)request->ie, |
256da02d | 8943 | nla_data(attrs[NL80211_ATTR_IE]), |
807f8a8c LC |
8944 | request->ie_len); |
8945 | } | |
8946 | ||
2d23d073 RZ |
8947 | err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true); |
8948 | if (err) | |
8949 | goto out_free; | |
ed473771 | 8950 | |
9c748934 LC |
8951 | if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY]) |
8952 | request->delay = | |
8953 | nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]); | |
8954 | ||
bf95ecdb | 8955 | if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) { |
8956 | request->relative_rssi = nla_get_s8( | |
8957 | attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]); | |
8958 | request->relative_rssi_set = true; | |
8959 | } | |
8960 | ||
8961 | if (request->relative_rssi_set && | |
8962 | attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) { | |
8963 | struct nl80211_bss_select_rssi_adjust *rssi_adjust; | |
8964 | ||
8965 | rssi_adjust = nla_data( | |
8966 | attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]); | |
8967 | request->rssi_adjust.band = rssi_adjust->band; | |
8968 | request->rssi_adjust.delta = rssi_adjust->delta; | |
8969 | if (!is_band_valid(wiphy, request->rssi_adjust.band)) { | |
8970 | err = -EINVAL; | |
8971 | goto out_free; | |
8972 | } | |
8973 | } | |
8974 | ||
3b06d277 AS |
8975 | err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs); |
8976 | if (err) | |
8977 | goto out_free; | |
8978 | ||
15d6030b | 8979 | request->scan_start = jiffies; |
807f8a8c | 8980 | |
256da02d | 8981 | return request; |
807f8a8c LC |
8982 | |
8983 | out_free: | |
8984 | kfree(request); | |
256da02d LC |
8985 | return ERR_PTR(err); |
8986 | } | |
8987 | ||
8988 | static int nl80211_start_sched_scan(struct sk_buff *skb, | |
8989 | struct genl_info *info) | |
8990 | { | |
8991 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8992 | struct net_device *dev = info->user_ptr[1]; | |
ad2b26ab | 8993 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
31a60ed1 | 8994 | struct cfg80211_sched_scan_request *sched_scan_req; |
ca986ad9 | 8995 | bool want_multi; |
256da02d LC |
8996 | int err; |
8997 | ||
ca986ad9 | 8998 | if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start) |
256da02d LC |
8999 | return -EOPNOTSUPP; |
9000 | ||
ca986ad9 AVS |
9001 | want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI]; |
9002 | err = cfg80211_sched_scan_req_possible(rdev, want_multi); | |
9003 | if (err) | |
9004 | return err; | |
256da02d | 9005 | |
31a60ed1 | 9006 | sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev, |
aad1e812 AVS |
9007 | info->attrs, |
9008 | rdev->wiphy.max_match_sets); | |
31a60ed1 JR |
9009 | |
9010 | err = PTR_ERR_OR_ZERO(sched_scan_req); | |
256da02d LC |
9011 | if (err) |
9012 | goto out_err; | |
9013 | ||
ca986ad9 AVS |
9014 | /* leave request id zero for legacy request |
9015 | * or if driver does not support multi-scheduled scan | |
9016 | */ | |
2fd351a8 DK |
9017 | if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1) |
9018 | sched_scan_req->reqid = cfg80211_assign_cookie(rdev); | |
ca986ad9 | 9019 | |
31a60ed1 | 9020 | err = rdev_sched_scan_start(rdev, dev, sched_scan_req); |
256da02d LC |
9021 | if (err) |
9022 | goto out_free; | |
9023 | ||
31a60ed1 JR |
9024 | sched_scan_req->dev = dev; |
9025 | sched_scan_req->wiphy = &rdev->wiphy; | |
9026 | ||
93a1e86c JR |
9027 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
9028 | sched_scan_req->owner_nlportid = info->snd_portid; | |
9029 | ||
ca986ad9 | 9030 | cfg80211_add_sched_scan_req(rdev, sched_scan_req); |
256da02d | 9031 | |
96b08fd6 | 9032 | nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN); |
256da02d LC |
9033 | return 0; |
9034 | ||
9035 | out_free: | |
31a60ed1 | 9036 | kfree(sched_scan_req); |
256da02d | 9037 | out_err: |
807f8a8c LC |
9038 | return err; |
9039 | } | |
9040 | ||
9041 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
9042 | struct genl_info *info) | |
9043 | { | |
ca986ad9 | 9044 | struct cfg80211_sched_scan_request *req; |
807f8a8c | 9045 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ca986ad9 | 9046 | u64 cookie; |
807f8a8c | 9047 | |
ca986ad9 | 9048 | if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop) |
807f8a8c LC |
9049 | return -EOPNOTSUPP; |
9050 | ||
ca986ad9 AVS |
9051 | if (info->attrs[NL80211_ATTR_COOKIE]) { |
9052 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
9053 | return __cfg80211_stop_sched_scan(rdev, cookie, false); | |
9054 | } | |
9055 | ||
9056 | req = list_first_or_null_rcu(&rdev->sched_scan_req_list, | |
9057 | struct cfg80211_sched_scan_request, | |
9058 | list); | |
9059 | if (!req || req->reqid || | |
9060 | (req->owner_nlportid && | |
9061 | req->owner_nlportid != info->snd_portid)) | |
9062 | return -ENOENT; | |
9063 | ||
9064 | return cfg80211_stop_sched_scan_req(rdev, req, false); | |
807f8a8c LC |
9065 | } |
9066 | ||
04f39047 SW |
9067 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
9068 | struct genl_info *info) | |
9069 | { | |
9070 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9071 | struct net_device *dev = info->user_ptr[1]; | |
9072 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
13cf6dec | 9073 | struct wiphy *wiphy = wdev->wiphy; |
04f39047 | 9074 | struct cfg80211_chan_def chandef; |
55f7435c | 9075 | enum nl80211_dfs_regions dfs_region; |
31559f35 | 9076 | unsigned int cac_time_ms; |
04f39047 SW |
9077 | int err; |
9078 | ||
13cf6dec | 9079 | dfs_region = reg_get_dfs_region(wiphy); |
55f7435c LR |
9080 | if (dfs_region == NL80211_DFS_UNSET) |
9081 | return -EINVAL; | |
9082 | ||
04f39047 SW |
9083 | err = nl80211_parse_chandef(rdev, info, &chandef); |
9084 | if (err) | |
9085 | return err; | |
9086 | ||
ff311bc1 SW |
9087 | if (netif_carrier_ok(dev)) |
9088 | return -EBUSY; | |
9089 | ||
04f39047 SW |
9090 | if (wdev->cac_started) |
9091 | return -EBUSY; | |
9092 | ||
13cf6dec | 9093 | err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype); |
04f39047 SW |
9094 | if (err < 0) |
9095 | return err; | |
9096 | ||
9097 | if (err == 0) | |
9098 | return -EINVAL; | |
9099 | ||
13cf6dec | 9100 | if (!cfg80211_chandef_dfs_usable(wiphy, &chandef)) |
04f39047 SW |
9101 | return -EINVAL; |
9102 | ||
13cf6dec DL |
9103 | /* CAC start is offloaded to HW and can't be started manually */ |
9104 | if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD)) | |
9105 | return -EOPNOTSUPP; | |
9106 | ||
04f39047 SW |
9107 | if (!rdev->ops->start_radar_detection) |
9108 | return -EOPNOTSUPP; | |
9109 | ||
31559f35 JD |
9110 | cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef); |
9111 | if (WARN_ON(!cac_time_ms)) | |
9112 | cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; | |
9113 | ||
a1056b1b | 9114 | err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms); |
04f39047 | 9115 | if (!err) { |
9e0e2961 | 9116 | wdev->chandef = chandef; |
04f39047 SW |
9117 | wdev->cac_started = true; |
9118 | wdev->cac_start_time = jiffies; | |
31559f35 | 9119 | wdev->cac_time_ms = cac_time_ms; |
04f39047 | 9120 | } |
04f39047 SW |
9121 | return err; |
9122 | } | |
9123 | ||
30c63115 S |
9124 | static int nl80211_notify_radar_detection(struct sk_buff *skb, |
9125 | struct genl_info *info) | |
9126 | { | |
9127 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9128 | struct net_device *dev = info->user_ptr[1]; | |
9129 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9130 | struct wiphy *wiphy = wdev->wiphy; | |
9131 | struct cfg80211_chan_def chandef; | |
9132 | enum nl80211_dfs_regions dfs_region; | |
9133 | int err; | |
9134 | ||
9135 | dfs_region = reg_get_dfs_region(wiphy); | |
9136 | if (dfs_region == NL80211_DFS_UNSET) { | |
9137 | GENL_SET_ERR_MSG(info, | |
9138 | "DFS Region is not set. Unexpected Radar indication"); | |
9139 | return -EINVAL; | |
9140 | } | |
9141 | ||
9142 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
9143 | if (err) { | |
9144 | GENL_SET_ERR_MSG(info, "Unable to extract chandef info"); | |
9145 | return err; | |
9146 | } | |
9147 | ||
9148 | err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype); | |
9149 | if (err < 0) { | |
9150 | GENL_SET_ERR_MSG(info, "chandef is invalid"); | |
9151 | return err; | |
9152 | } | |
9153 | ||
9154 | if (err == 0) { | |
9155 | GENL_SET_ERR_MSG(info, | |
9156 | "Unexpected Radar indication for chandef/iftype"); | |
9157 | return -EINVAL; | |
9158 | } | |
9159 | ||
9160 | /* Do not process this notification if radar is already detected | |
9161 | * by kernel on this channel, and return success. | |
9162 | */ | |
9163 | if (chandef.chan->dfs_state == NL80211_DFS_UNAVAILABLE) | |
9164 | return 0; | |
9165 | ||
9166 | cfg80211_set_dfs_state(wiphy, &chandef, NL80211_DFS_UNAVAILABLE); | |
9167 | ||
9168 | cfg80211_sched_dfs_chan_update(rdev); | |
9169 | ||
a680fe46 | 9170 | rdev->radar_chandef = chandef; |
30c63115 S |
9171 | |
9172 | /* Propagate this notification to other radios as well */ | |
9173 | queue_work(cfg80211_wq, &rdev->propagate_radar_detect_wk); | |
9174 | ||
9175 | return 0; | |
9176 | } | |
9177 | ||
16ef1fe2 SW |
9178 | static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) |
9179 | { | |
9180 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9181 | struct net_device *dev = info->user_ptr[1]; | |
9182 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9183 | struct cfg80211_csa_settings params; | |
a05829a7 | 9184 | struct nlattr **csa_attrs = NULL; |
16ef1fe2 | 9185 | int err; |
ee4bc9e7 | 9186 | bool need_new_beacon = false; |
8d9de16f | 9187 | bool need_handle_dfs_flag = true; |
9a774c78 | 9188 | int len, i; |
252e07ca | 9189 | u32 cs_count; |
16ef1fe2 SW |
9190 | |
9191 | if (!rdev->ops->channel_switch || | |
9192 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) | |
9193 | return -EOPNOTSUPP; | |
9194 | ||
ee4bc9e7 SW |
9195 | switch (dev->ieee80211_ptr->iftype) { |
9196 | case NL80211_IFTYPE_AP: | |
9197 | case NL80211_IFTYPE_P2P_GO: | |
9198 | need_new_beacon = true; | |
8d9de16f BB |
9199 | /* For all modes except AP the handle_dfs flag needs to be |
9200 | * supplied to tell the kernel that userspace will handle radar | |
9201 | * events when they happen. Otherwise a switch to a channel | |
9202 | * requiring DFS will be rejected. | |
9203 | */ | |
9204 | need_handle_dfs_flag = false; | |
ee4bc9e7 SW |
9205 | |
9206 | /* useless if AP is not running */ | |
9207 | if (!wdev->beacon_interval) | |
1ff79dfa | 9208 | return -ENOTCONN; |
ee4bc9e7 SW |
9209 | break; |
9210 | case NL80211_IFTYPE_ADHOC: | |
1ff79dfa JB |
9211 | if (!wdev->ssid_len) |
9212 | return -ENOTCONN; | |
9213 | break; | |
c6da674a | 9214 | case NL80211_IFTYPE_MESH_POINT: |
1ff79dfa JB |
9215 | if (!wdev->mesh_id_len) |
9216 | return -ENOTCONN; | |
ee4bc9e7 SW |
9217 | break; |
9218 | default: | |
16ef1fe2 | 9219 | return -EOPNOTSUPP; |
ee4bc9e7 | 9220 | } |
16ef1fe2 SW |
9221 | |
9222 | memset(¶ms, 0, sizeof(params)); | |
c177db2d | 9223 | params.beacon_csa.ftm_responder = -1; |
16ef1fe2 SW |
9224 | |
9225 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
9226 | !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]) | |
9227 | return -EINVAL; | |
9228 | ||
9229 | /* only important for AP, IBSS and mesh create IEs internally */ | |
d0a361a5 | 9230 | if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES]) |
16ef1fe2 SW |
9231 | return -EINVAL; |
9232 | ||
252e07ca LC |
9233 | /* Even though the attribute is u32, the specification says |
9234 | * u8, so let's make sure we don't overflow. | |
9235 | */ | |
9236 | cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); | |
9237 | if (cs_count > 255) | |
9238 | return -EINVAL; | |
9239 | ||
9240 | params.count = cs_count; | |
16ef1fe2 | 9241 | |
ee4bc9e7 SW |
9242 | if (!need_new_beacon) |
9243 | goto skip_beacons; | |
9244 | ||
81e54d08 | 9245 | err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_after); |
16ef1fe2 SW |
9246 | if (err) |
9247 | return err; | |
9248 | ||
a05829a7 JB |
9249 | csa_attrs = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*csa_attrs), |
9250 | GFP_KERNEL); | |
9251 | if (!csa_attrs) | |
9252 | return -ENOMEM; | |
9253 | ||
8cb08174 JB |
9254 | err = nla_parse_nested_deprecated(csa_attrs, NL80211_ATTR_MAX, |
9255 | info->attrs[NL80211_ATTR_CSA_IES], | |
9256 | nl80211_policy, info->extack); | |
16ef1fe2 | 9257 | if (err) |
a05829a7 | 9258 | goto free; |
16ef1fe2 | 9259 | |
81e54d08 | 9260 | err = nl80211_parse_beacon(rdev, csa_attrs, ¶ms.beacon_csa); |
16ef1fe2 | 9261 | if (err) |
a05829a7 | 9262 | goto free; |
16ef1fe2 | 9263 | |
a05829a7 JB |
9264 | if (!csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]) { |
9265 | err = -EINVAL; | |
9266 | goto free; | |
9267 | } | |
16ef1fe2 | 9268 | |
00c207ed | 9269 | len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]); |
a05829a7 JB |
9270 | if (!len || (len % sizeof(u16))) { |
9271 | err = -EINVAL; | |
9272 | goto free; | |
9273 | } | |
16ef1fe2 | 9274 | |
9a774c78 AO |
9275 | params.n_counter_offsets_beacon = len / sizeof(u16); |
9276 | if (rdev->wiphy.max_num_csa_counters && | |
9277 | (params.n_counter_offsets_beacon > | |
a05829a7 JB |
9278 | rdev->wiphy.max_num_csa_counters)) { |
9279 | err = -EINVAL; | |
9280 | goto free; | |
9281 | } | |
16ef1fe2 | 9282 | |
9a774c78 | 9283 | params.counter_offsets_beacon = |
00c207ed | 9284 | nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_BEACON]); |
9a774c78 AO |
9285 | |
9286 | /* sanity checks - counters should fit and be the same */ | |
9287 | for (i = 0; i < params.n_counter_offsets_beacon; i++) { | |
9288 | u16 offset = params.counter_offsets_beacon[i]; | |
9289 | ||
a05829a7 JB |
9290 | if (offset >= params.beacon_csa.tail_len) { |
9291 | err = -EINVAL; | |
9292 | goto free; | |
9293 | } | |
9a774c78 | 9294 | |
a05829a7 JB |
9295 | if (params.beacon_csa.tail[offset] != params.count) { |
9296 | err = -EINVAL; | |
9297 | goto free; | |
9298 | } | |
9a774c78 AO |
9299 | } |
9300 | ||
00c207ed JC |
9301 | if (csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]) { |
9302 | len = nla_len(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]); | |
a05829a7 JB |
9303 | if (!len || (len % sizeof(u16))) { |
9304 | err = -EINVAL; | |
9305 | goto free; | |
9306 | } | |
16ef1fe2 | 9307 | |
9a774c78 AO |
9308 | params.n_counter_offsets_presp = len / sizeof(u16); |
9309 | if (rdev->wiphy.max_num_csa_counters && | |
ad5987b4 | 9310 | (params.n_counter_offsets_presp > |
a05829a7 JB |
9311 | rdev->wiphy.max_num_csa_counters)) { |
9312 | err = -EINVAL; | |
9313 | goto free; | |
9314 | } | |
9a774c78 AO |
9315 | |
9316 | params.counter_offsets_presp = | |
00c207ed | 9317 | nla_data(csa_attrs[NL80211_ATTR_CNTDWN_OFFS_PRESP]); |
9a774c78 AO |
9318 | |
9319 | /* sanity checks - counters should fit and be the same */ | |
9320 | for (i = 0; i < params.n_counter_offsets_presp; i++) { | |
9321 | u16 offset = params.counter_offsets_presp[i]; | |
9322 | ||
a05829a7 JB |
9323 | if (offset >= params.beacon_csa.probe_resp_len) { |
9324 | err = -EINVAL; | |
9325 | goto free; | |
9326 | } | |
9a774c78 AO |
9327 | |
9328 | if (params.beacon_csa.probe_resp[offset] != | |
a05829a7 JB |
9329 | params.count) { |
9330 | err = -EINVAL; | |
9331 | goto free; | |
9332 | } | |
9a774c78 | 9333 | } |
16ef1fe2 SW |
9334 | } |
9335 | ||
ee4bc9e7 | 9336 | skip_beacons: |
16ef1fe2 SW |
9337 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
9338 | if (err) | |
a05829a7 | 9339 | goto free; |
16ef1fe2 | 9340 | |
923b352f | 9341 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, |
a05829a7 JB |
9342 | wdev->iftype)) { |
9343 | err = -EINVAL; | |
9344 | goto free; | |
9345 | } | |
16ef1fe2 | 9346 | |
2beb6dab LC |
9347 | err = cfg80211_chandef_dfs_required(wdev->wiphy, |
9348 | ¶ms.chandef, | |
9349 | wdev->iftype); | |
9350 | if (err < 0) | |
a05829a7 | 9351 | goto free; |
2beb6dab | 9352 | |
8d9de16f | 9353 | if (err > 0) { |
2beb6dab | 9354 | params.radar_required = true; |
8d9de16f BB |
9355 | if (need_handle_dfs_flag && |
9356 | !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) { | |
a05829a7 JB |
9357 | err = -EINVAL; |
9358 | goto free; | |
8d9de16f BB |
9359 | } |
9360 | } | |
16ef1fe2 | 9361 | |
16ef1fe2 SW |
9362 | if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) |
9363 | params.block_tx = true; | |
9364 | ||
c56589ed SW |
9365 | wdev_lock(wdev); |
9366 | err = rdev_channel_switch(rdev, dev, ¶ms); | |
9367 | wdev_unlock(wdev); | |
9368 | ||
a05829a7 JB |
9369 | free: |
9370 | kfree(csa_attrs); | |
c56589ed | 9371 | return err; |
16ef1fe2 SW |
9372 | } |
9373 | ||
9720bb3a JB |
9374 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
9375 | u32 seq, int flags, | |
2a519311 | 9376 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
9377 | struct wireless_dev *wdev, |
9378 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 9379 | { |
48ab905d | 9380 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 9381 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
9382 | void *hdr; |
9383 | struct nlattr *bss; | |
48ab905d JB |
9384 | |
9385 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 9386 | |
15e47304 | 9387 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
9388 | NL80211_CMD_NEW_SCAN_RESULTS); |
9389 | if (!hdr) | |
9390 | return -1; | |
9391 | ||
0a833c29 | 9392 | genl_dump_check_consistent(cb, hdr); |
9720bb3a | 9393 | |
97990a06 JB |
9394 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
9395 | goto nla_put_failure; | |
9396 | if (wdev->netdev && | |
9360ffd1 DM |
9397 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
9398 | goto nla_put_failure; | |
2dad624e ND |
9399 | if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
9400 | NL80211_ATTR_PAD)) | |
97990a06 | 9401 | goto nla_put_failure; |
2a519311 | 9402 | |
ae0be8de | 9403 | bss = nla_nest_start_noflag(msg, NL80211_ATTR_BSS); |
2a519311 JB |
9404 | if (!bss) |
9405 | goto nla_put_failure; | |
9360ffd1 | 9406 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 9407 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 9408 | goto nla_put_failure; |
9caf0364 JB |
9409 | |
9410 | rcu_read_lock(); | |
0e227084 JB |
9411 | /* indicate whether we have probe response data or not */ |
9412 | if (rcu_access_pointer(res->proberesp_ies) && | |
9413 | nla_put_flag(msg, NL80211_BSS_PRESP_DATA)) | |
9414 | goto fail_unlock_rcu; | |
9415 | ||
9416 | /* this pointer prefers to be pointed to probe response data | |
9417 | * but is always valid | |
9418 | */ | |
9caf0364 | 9419 | ies = rcu_dereference(res->ies); |
8cef2c9d | 9420 | if (ies) { |
2dad624e ND |
9421 | if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf, |
9422 | NL80211_BSS_PAD)) | |
8cef2c9d | 9423 | goto fail_unlock_rcu; |
8cef2c9d JB |
9424 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, |
9425 | ies->len, ies->data)) | |
9426 | goto fail_unlock_rcu; | |
9caf0364 | 9427 | } |
0e227084 JB |
9428 | |
9429 | /* and this pointer is always (unless driver didn't know) beacon data */ | |
9caf0364 | 9430 | ies = rcu_dereference(res->beacon_ies); |
0e227084 | 9431 | if (ies && ies->from_beacon) { |
2dad624e ND |
9432 | if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf, |
9433 | NL80211_BSS_PAD)) | |
8cef2c9d JB |
9434 | goto fail_unlock_rcu; |
9435 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
9436 | ies->len, ies->data)) | |
9437 | goto fail_unlock_rcu; | |
9caf0364 JB |
9438 | } |
9439 | rcu_read_unlock(); | |
9440 | ||
9360ffd1 DM |
9441 | if (res->beacon_interval && |
9442 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
9443 | goto nla_put_failure; | |
9444 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
9445 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
942ba88b TP |
9446 | nla_put_u32(msg, NL80211_BSS_FREQUENCY_OFFSET, |
9447 | res->channel->freq_offset) || | |
dcd6eac1 | 9448 | nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) || |
9360ffd1 DM |
9449 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, |
9450 | jiffies_to_msecs(jiffies - intbss->ts))) | |
9451 | goto nla_put_failure; | |
2a519311 | 9452 | |
1d76250b AS |
9453 | if (intbss->parent_tsf && |
9454 | (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF, | |
9455 | intbss->parent_tsf, NL80211_BSS_PAD) || | |
9456 | nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN, | |
9457 | intbss->parent_bssid))) | |
9458 | goto nla_put_failure; | |
9459 | ||
6e19bc4b | 9460 | if (intbss->ts_boottime && |
2dad624e ND |
9461 | nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME, |
9462 | intbss->ts_boottime, NL80211_BSS_PAD)) | |
6e19bc4b DS |
9463 | goto nla_put_failure; |
9464 | ||
983dafaa SD |
9465 | if (!nl80211_put_signal(msg, intbss->pub.chains, |
9466 | intbss->pub.chain_signal, | |
9467 | NL80211_BSS_CHAIN_SIGNAL)) | |
9468 | goto nla_put_failure; | |
9469 | ||
77965c97 | 9470 | switch (rdev->wiphy.signal_type) { |
2a519311 | 9471 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
9472 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
9473 | goto nla_put_failure; | |
2a519311 JB |
9474 | break; |
9475 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
9476 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
9477 | goto nla_put_failure; | |
2a519311 JB |
9478 | break; |
9479 | default: | |
9480 | break; | |
9481 | } | |
9482 | ||
48ab905d | 9483 | switch (wdev->iftype) { |
074ac8df | 9484 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 9485 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
9486 | if (intbss == wdev->current_bss && |
9487 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
9488 | NL80211_BSS_STATUS_ASSOCIATED)) | |
9489 | goto nla_put_failure; | |
48ab905d JB |
9490 | break; |
9491 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
9492 | if (intbss == wdev->current_bss && |
9493 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
9494 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
9495 | goto nla_put_failure; | |
48ab905d JB |
9496 | break; |
9497 | default: | |
9498 | break; | |
9499 | } | |
9500 | ||
2a519311 JB |
9501 | nla_nest_end(msg, bss); |
9502 | ||
053c095a JB |
9503 | genlmsg_end(msg, hdr); |
9504 | return 0; | |
2a519311 | 9505 | |
8cef2c9d JB |
9506 | fail_unlock_rcu: |
9507 | rcu_read_unlock(); | |
2a519311 JB |
9508 | nla_put_failure: |
9509 | genlmsg_cancel(msg, hdr); | |
9510 | return -EMSGSIZE; | |
9511 | } | |
9512 | ||
97990a06 | 9513 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 9514 | { |
48ab905d | 9515 | struct cfg80211_registered_device *rdev; |
2a519311 | 9516 | struct cfg80211_internal_bss *scan; |
48ab905d | 9517 | struct wireless_dev *wdev; |
97990a06 | 9518 | int start = cb->args[2], idx = 0; |
2a519311 JB |
9519 | int err; |
9520 | ||
5297c65c | 9521 | err = nl80211_prepare_wdev_dump(cb, &rdev, &wdev); |
a05829a7 | 9522 | if (err) |
67748893 | 9523 | return err; |
a05829a7 JB |
9524 | /* nl80211_prepare_wdev_dump acquired it in the successful case */ |
9525 | __acquire(&rdev->wiphy.mtx); | |
2a519311 | 9526 | |
48ab905d JB |
9527 | wdev_lock(wdev); |
9528 | spin_lock_bh(&rdev->bss_lock); | |
d1e23c94 DK |
9529 | |
9530 | /* | |
9531 | * dump_scan will be called multiple times to break up the scan results | |
9532 | * into multiple messages. It is unlikely that any more bss-es will be | |
9533 | * expired after the first call, so only call only call this on the | |
9534 | * first dump_scan invocation. | |
9535 | */ | |
9536 | if (start == 0) | |
9537 | cfg80211_bss_expire(rdev); | |
48ab905d | 9538 | |
9720bb3a JB |
9539 | cb->seq = rdev->bss_generation; |
9540 | ||
48ab905d | 9541 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
9542 | if (++idx <= start) |
9543 | continue; | |
9720bb3a | 9544 | if (nl80211_send_bss(skb, cb, |
2a519311 | 9545 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 9546 | rdev, wdev, scan) < 0) { |
2a519311 | 9547 | idx--; |
67748893 | 9548 | break; |
2a519311 JB |
9549 | } |
9550 | } | |
9551 | ||
48ab905d JB |
9552 | spin_unlock_bh(&rdev->bss_lock); |
9553 | wdev_unlock(wdev); | |
2a519311 | 9554 | |
97990a06 | 9555 | cb->args[2] = idx; |
a05829a7 | 9556 | wiphy_unlock(&rdev->wiphy); |
2a519311 | 9557 | |
67748893 | 9558 | return skb->len; |
2a519311 JB |
9559 | } |
9560 | ||
15e47304 | 9561 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
11f78ac3 JB |
9562 | int flags, struct net_device *dev, |
9563 | bool allow_radio_stats, | |
9564 | struct survey_info *survey) | |
61fa713c HS |
9565 | { |
9566 | void *hdr; | |
9567 | struct nlattr *infoattr; | |
9568 | ||
11f78ac3 JB |
9569 | /* skip radio stats if userspace didn't request them */ |
9570 | if (!survey->channel && !allow_radio_stats) | |
9571 | return 0; | |
9572 | ||
15e47304 | 9573 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
9574 | NL80211_CMD_NEW_SURVEY_RESULTS); |
9575 | if (!hdr) | |
9576 | return -ENOMEM; | |
9577 | ||
9360ffd1 DM |
9578 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9579 | goto nla_put_failure; | |
61fa713c | 9580 | |
ae0be8de | 9581 | infoattr = nla_nest_start_noflag(msg, NL80211_ATTR_SURVEY_INFO); |
61fa713c HS |
9582 | if (!infoattr) |
9583 | goto nla_put_failure; | |
9584 | ||
11f78ac3 JB |
9585 | if (survey->channel && |
9586 | nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, | |
9360ffd1 DM |
9587 | survey->channel->center_freq)) |
9588 | goto nla_put_failure; | |
58ef7c1b TP |
9589 | |
9590 | if (survey->channel && survey->channel->freq_offset && | |
9591 | nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY_OFFSET, | |
9592 | survey->channel->freq_offset)) | |
9593 | goto nla_put_failure; | |
9360ffd1 DM |
9594 | |
9595 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
9596 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
9597 | goto nla_put_failure; | |
9598 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
9599 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
9600 | goto nla_put_failure; | |
4ed20beb | 9601 | if ((survey->filled & SURVEY_INFO_TIME) && |
2dad624e ND |
9602 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME, |
9603 | survey->time, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 9604 | goto nla_put_failure; |
4ed20beb | 9605 | if ((survey->filled & SURVEY_INFO_TIME_BUSY) && |
2dad624e ND |
9606 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY, |
9607 | survey->time_busy, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 9608 | goto nla_put_failure; |
4ed20beb | 9609 | if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) && |
2dad624e ND |
9610 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY, |
9611 | survey->time_ext_busy, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 9612 | goto nla_put_failure; |
4ed20beb | 9613 | if ((survey->filled & SURVEY_INFO_TIME_RX) && |
2dad624e ND |
9614 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX, |
9615 | survey->time_rx, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 9616 | goto nla_put_failure; |
4ed20beb | 9617 | if ((survey->filled & SURVEY_INFO_TIME_TX) && |
2dad624e ND |
9618 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX, |
9619 | survey->time_tx, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 9620 | goto nla_put_failure; |
052536ab | 9621 | if ((survey->filled & SURVEY_INFO_TIME_SCAN) && |
2dad624e ND |
9622 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN, |
9623 | survey->time_scan, NL80211_SURVEY_INFO_PAD)) | |
052536ab | 9624 | goto nla_put_failure; |
c8cd6e7f FF |
9625 | if ((survey->filled & SURVEY_INFO_TIME_BSS_RX) && |
9626 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BSS_RX, | |
9627 | survey->time_bss_rx, NL80211_SURVEY_INFO_PAD)) | |
9628 | goto nla_put_failure; | |
61fa713c HS |
9629 | |
9630 | nla_nest_end(msg, infoattr); | |
9631 | ||
053c095a JB |
9632 | genlmsg_end(msg, hdr); |
9633 | return 0; | |
61fa713c HS |
9634 | |
9635 | nla_put_failure: | |
9636 | genlmsg_cancel(msg, hdr); | |
9637 | return -EMSGSIZE; | |
9638 | } | |
9639 | ||
11f78ac3 | 9640 | static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb) |
61fa713c | 9641 | { |
50508d94 | 9642 | struct nlattr **attrbuf; |
61fa713c | 9643 | struct survey_info survey; |
1b8ec87a | 9644 | struct cfg80211_registered_device *rdev; |
97990a06 JB |
9645 | struct wireless_dev *wdev; |
9646 | int survey_idx = cb->args[2]; | |
61fa713c | 9647 | int res; |
11f78ac3 | 9648 | bool radio_stats; |
61fa713c | 9649 | |
50508d94 JB |
9650 | attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL); |
9651 | if (!attrbuf) | |
9652 | return -ENOMEM; | |
9653 | ||
5297c65c | 9654 | res = nl80211_prepare_wdev_dump(cb, &rdev, &wdev); |
a05829a7 JB |
9655 | if (res) { |
9656 | kfree(attrbuf); | |
9657 | return res; | |
9658 | } | |
9659 | /* nl80211_prepare_wdev_dump acquired it in the successful case */ | |
9660 | __acquire(&rdev->wiphy.mtx); | |
61fa713c | 9661 | |
11f78ac3 | 9662 | /* prepare_wdev_dump parsed the attributes */ |
c90c39da | 9663 | radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS]; |
11f78ac3 | 9664 | |
97990a06 JB |
9665 | if (!wdev->netdev) { |
9666 | res = -EINVAL; | |
9667 | goto out_err; | |
9668 | } | |
9669 | ||
1b8ec87a | 9670 | if (!rdev->ops->dump_survey) { |
61fa713c HS |
9671 | res = -EOPNOTSUPP; |
9672 | goto out_err; | |
9673 | } | |
9674 | ||
9675 | while (1) { | |
1b8ec87a | 9676 | res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
9677 | if (res == -ENOENT) |
9678 | break; | |
9679 | if (res) | |
9680 | goto out_err; | |
9681 | ||
11f78ac3 JB |
9682 | /* don't send disabled channels, but do send non-channel data */ |
9683 | if (survey.channel && | |
9684 | survey.channel->flags & IEEE80211_CHAN_DISABLED) { | |
180cdc79 LR |
9685 | survey_idx++; |
9686 | continue; | |
9687 | } | |
9688 | ||
61fa713c | 9689 | if (nl80211_send_survey(skb, |
15e47304 | 9690 | NETLINK_CB(cb->skb).portid, |
61fa713c | 9691 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
11f78ac3 | 9692 | wdev->netdev, radio_stats, &survey) < 0) |
61fa713c HS |
9693 | goto out; |
9694 | survey_idx++; | |
9695 | } | |
9696 | ||
9697 | out: | |
97990a06 | 9698 | cb->args[2] = survey_idx; |
61fa713c HS |
9699 | res = skb->len; |
9700 | out_err: | |
50508d94 | 9701 | kfree(attrbuf); |
a05829a7 | 9702 | wiphy_unlock(&rdev->wiphy); |
61fa713c HS |
9703 | return res; |
9704 | } | |
9705 | ||
b23aa676 SO |
9706 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
9707 | { | |
9708 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
cc3e14c2 CHH |
9709 | NL80211_WPA_VERSION_2 | |
9710 | NL80211_WPA_VERSION_3)); | |
b23aa676 SO |
9711 | } |
9712 | ||
636a5d36 JM |
9713 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
9714 | { | |
4c476991 JB |
9715 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
9716 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 9717 | struct ieee80211_channel *chan; |
11b6b5a4 JM |
9718 | const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL; |
9719 | int err, ssid_len, ie_len = 0, auth_data_len = 0; | |
19957bb3 | 9720 | enum nl80211_auth_type auth_type; |
fffd0934 | 9721 | struct key_parse key; |
d5cdfacb | 9722 | bool local_state_change; |
942ba88b | 9723 | u32 freq; |
636a5d36 | 9724 | |
f4a11bb0 JB |
9725 | if (!info->attrs[NL80211_ATTR_MAC]) |
9726 | return -EINVAL; | |
9727 | ||
1778092e JM |
9728 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
9729 | return -EINVAL; | |
9730 | ||
19957bb3 JB |
9731 | if (!info->attrs[NL80211_ATTR_SSID]) |
9732 | return -EINVAL; | |
9733 | ||
9734 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
9735 | return -EINVAL; | |
9736 | ||
fffd0934 JB |
9737 | err = nl80211_parse_key(info, &key); |
9738 | if (err) | |
9739 | return err; | |
9740 | ||
9741 | if (key.idx >= 0) { | |
e31b8213 JB |
9742 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
9743 | return -EINVAL; | |
fffd0934 JB |
9744 | if (!key.p.key || !key.p.key_len) |
9745 | return -EINVAL; | |
9746 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
9747 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
9748 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
9749 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
9750 | return -EINVAL; | |
b6b5555b | 9751 | if (key.idx > 3) |
fffd0934 JB |
9752 | return -EINVAL; |
9753 | } else { | |
9754 | key.p.key_len = 0; | |
9755 | key.p.key = NULL; | |
9756 | } | |
9757 | ||
afea0b7a JB |
9758 | if (key.idx >= 0) { |
9759 | int i; | |
9760 | bool ok = false; | |
7a087e74 | 9761 | |
afea0b7a JB |
9762 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { |
9763 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
9764 | ok = true; | |
9765 | break; | |
9766 | } | |
9767 | } | |
4c476991 JB |
9768 | if (!ok) |
9769 | return -EINVAL; | |
afea0b7a JB |
9770 | } |
9771 | ||
4c476991 JB |
9772 | if (!rdev->ops->auth) |
9773 | return -EOPNOTSUPP; | |
636a5d36 | 9774 | |
074ac8df | 9775 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
9776 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
9777 | return -EOPNOTSUPP; | |
eec60b03 | 9778 | |
19957bb3 | 9779 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
942ba88b TP |
9780 | freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); |
9781 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]) | |
9782 | freq += | |
9783 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]); | |
9784 | ||
9785 | chan = nl80211_get_valid_chan(&rdev->wiphy, freq); | |
664834de | 9786 | if (!chan) |
4c476991 | 9787 | return -EINVAL; |
636a5d36 | 9788 | |
19957bb3 JB |
9789 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
9790 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
9791 | |
9792 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
9793 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
9794 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
9795 | } |
9796 | ||
19957bb3 | 9797 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 9798 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 9799 | return -EINVAL; |
636a5d36 | 9800 | |
63181060 JM |
9801 | if ((auth_type == NL80211_AUTHTYPE_SAE || |
9802 | auth_type == NL80211_AUTHTYPE_FILS_SK || | |
9803 | auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
9804 | auth_type == NL80211_AUTHTYPE_FILS_PK) && | |
11b6b5a4 | 9805 | !info->attrs[NL80211_ATTR_AUTH_DATA]) |
e39e5b5e JM |
9806 | return -EINVAL; |
9807 | ||
11b6b5a4 | 9808 | if (info->attrs[NL80211_ATTR_AUTH_DATA]) { |
63181060 JM |
9809 | if (auth_type != NL80211_AUTHTYPE_SAE && |
9810 | auth_type != NL80211_AUTHTYPE_FILS_SK && | |
9811 | auth_type != NL80211_AUTHTYPE_FILS_SK_PFS && | |
9812 | auth_type != NL80211_AUTHTYPE_FILS_PK) | |
e39e5b5e | 9813 | return -EINVAL; |
11b6b5a4 JM |
9814 | auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]); |
9815 | auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]); | |
e39e5b5e JM |
9816 | } |
9817 | ||
d5cdfacb JM |
9818 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
9819 | ||
95de817b JB |
9820 | /* |
9821 | * Since we no longer track auth state, ignore | |
9822 | * requests to only change local state. | |
9823 | */ | |
9824 | if (local_state_change) | |
9825 | return 0; | |
9826 | ||
91bf9b26 JB |
9827 | wdev_lock(dev->ieee80211_ptr); |
9828 | err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
9829 | ssid, ssid_len, ie, ie_len, | |
9830 | key.p.key, key.p.key_len, key.idx, | |
11b6b5a4 | 9831 | auth_data, auth_data_len); |
91bf9b26 JB |
9832 | wdev_unlock(dev->ieee80211_ptr); |
9833 | return err; | |
636a5d36 JM |
9834 | } |
9835 | ||
64bf3d4b DK |
9836 | static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev, |
9837 | struct genl_info *info) | |
9838 | { | |
9839 | if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) { | |
9840 | GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set"); | |
9841 | return -EINVAL; | |
9842 | } | |
9843 | ||
9844 | if (!rdev->ops->tx_control_port || | |
9845 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
9846 | NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211)) | |
9847 | return -EOPNOTSUPP; | |
9848 | ||
9849 | return 0; | |
9850 | } | |
9851 | ||
c0692b8f JB |
9852 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
9853 | struct genl_info *info, | |
3dc27d25 JB |
9854 | struct cfg80211_crypto_settings *settings, |
9855 | int cipher_limit) | |
b23aa676 | 9856 | { |
c0b2bbd8 JB |
9857 | memset(settings, 0, sizeof(*settings)); |
9858 | ||
b23aa676 SO |
9859 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
9860 | ||
c0692b8f JB |
9861 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
9862 | u16 proto; | |
7a087e74 | 9863 | |
c0692b8f JB |
9864 | proto = nla_get_u16( |
9865 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
9866 | settings->control_port_ethertype = cpu_to_be16(proto); | |
9867 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
9868 | proto != ETH_P_PAE) | |
9869 | return -EINVAL; | |
9870 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
9871 | settings->control_port_no_encrypt = true; | |
9872 | } else | |
9873 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
9874 | ||
64bf3d4b DK |
9875 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) { |
9876 | int r = validate_pae_over_nl80211(rdev, info); | |
9877 | ||
9878 | if (r < 0) | |
9879 | return r; | |
9880 | ||
9881 | settings->control_port_over_nl80211 = true; | |
7f3f96ce MT |
9882 | |
9883 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_PREAUTH]) | |
9884 | settings->control_port_no_preauth = true; | |
64bf3d4b DK |
9885 | } |
9886 | ||
b23aa676 SO |
9887 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
9888 | void *data; | |
9889 | int len, i; | |
9890 | ||
9891 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
9892 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
9893 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
9894 | ||
9895 | if (len % sizeof(u32)) | |
9896 | return -EINVAL; | |
9897 | ||
3dc27d25 | 9898 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
9899 | return -EINVAL; |
9900 | ||
9901 | memcpy(settings->ciphers_pairwise, data, len); | |
9902 | ||
9903 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
9904 | if (!cfg80211_supported_cipher_suite( |
9905 | &rdev->wiphy, | |
b23aa676 SO |
9906 | settings->ciphers_pairwise[i])) |
9907 | return -EINVAL; | |
9908 | } | |
9909 | ||
9910 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
9911 | settings->cipher_group = | |
9912 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
9913 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
9914 | settings->cipher_group)) | |
b23aa676 SO |
9915 | return -EINVAL; |
9916 | } | |
9917 | ||
9918 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
9919 | settings->wpa_versions = | |
9920 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
9921 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
9922 | return -EINVAL; | |
9923 | } | |
9924 | ||
9925 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
9926 | void *data; | |
6d30240e | 9927 | int len; |
b23aa676 SO |
9928 | |
9929 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
9930 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
9931 | settings->n_akm_suites = len / sizeof(u32); | |
9932 | ||
9933 | if (len % sizeof(u32)) | |
9934 | return -EINVAL; | |
9935 | ||
1b9ca027 JM |
9936 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
9937 | return -EINVAL; | |
9938 | ||
b23aa676 | 9939 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
9940 | } |
9941 | ||
91b5ab62 EP |
9942 | if (info->attrs[NL80211_ATTR_PMK]) { |
9943 | if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN) | |
9944 | return -EINVAL; | |
9945 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
f9662274 CHH |
9946 | NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK) && |
9947 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
9948 | NL80211_EXT_FEATURE_4WAY_HANDSHAKE_AP_PSK)) | |
91b5ab62 EP |
9949 | return -EINVAL; |
9950 | settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]); | |
9951 | } | |
9952 | ||
26f7044e CHH |
9953 | if (info->attrs[NL80211_ATTR_SAE_PASSWORD]) { |
9954 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
2831a631 CHH |
9955 | NL80211_EXT_FEATURE_SAE_OFFLOAD) && |
9956 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
9957 | NL80211_EXT_FEATURE_SAE_OFFLOAD_AP)) | |
26f7044e CHH |
9958 | return -EINVAL; |
9959 | settings->sae_pwd = | |
9960 | nla_data(info->attrs[NL80211_ATTR_SAE_PASSWORD]); | |
9961 | settings->sae_pwd_len = | |
9962 | nla_len(info->attrs[NL80211_ATTR_SAE_PASSWORD]); | |
9963 | } | |
9964 | ||
9f0ffa41 RD |
9965 | if (info->attrs[NL80211_ATTR_SAE_PWE]) |
9966 | settings->sae_pwe = | |
9967 | nla_get_u8(info->attrs[NL80211_ATTR_SAE_PWE]); | |
9968 | else | |
9969 | settings->sae_pwe = NL80211_SAE_PWE_UNSPECIFIED; | |
9970 | ||
b23aa676 SO |
9971 | return 0; |
9972 | } | |
9973 | ||
636a5d36 JM |
9974 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
9975 | { | |
4c476991 JB |
9976 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
9977 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 9978 | struct ieee80211_channel *chan; |
f62fab73 JB |
9979 | struct cfg80211_assoc_request req = {}; |
9980 | const u8 *bssid, *ssid; | |
9981 | int err, ssid_len = 0; | |
942ba88b | 9982 | u32 freq; |
636a5d36 | 9983 | |
bad29297 AZ |
9984 | if (dev->ieee80211_ptr->conn_owner_nlportid && |
9985 | dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid) | |
9986 | return -EPERM; | |
9987 | ||
f4a11bb0 | 9988 | if (!info->attrs[NL80211_ATTR_MAC] || |
19957bb3 JB |
9989 | !info->attrs[NL80211_ATTR_SSID] || |
9990 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
9991 | return -EINVAL; |
9992 | ||
4c476991 JB |
9993 | if (!rdev->ops->assoc) |
9994 | return -EOPNOTSUPP; | |
636a5d36 | 9995 | |
074ac8df | 9996 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
9997 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
9998 | return -EOPNOTSUPP; | |
eec60b03 | 9999 | |
19957bb3 | 10000 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 10001 | |
942ba88b TP |
10002 | freq = MHZ_TO_KHZ(nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ])); |
10003 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]) | |
10004 | freq += | |
10005 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]); | |
10006 | chan = nl80211_get_valid_chan(&rdev->wiphy, freq); | |
664834de | 10007 | if (!chan) |
4c476991 | 10008 | return -EINVAL; |
636a5d36 | 10009 | |
19957bb3 JB |
10010 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
10011 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
10012 | |
10013 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
10014 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
10015 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
10016 | } |
10017 | ||
dc6382ce | 10018 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 10019 | enum nl80211_mfp mfp = |
dc6382ce | 10020 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 10021 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 10022 | req.use_mfp = true; |
4c476991 JB |
10023 | else if (mfp != NL80211_MFP_NO) |
10024 | return -EINVAL; | |
dc6382ce JM |
10025 | } |
10026 | ||
3e5d7649 | 10027 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 10028 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 10029 | |
7e7c8926 | 10030 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 10031 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
10032 | |
10033 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
10034 | memcpy(&req.ht_capa_mask, |
10035 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
10036 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
10037 | |
10038 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 10039 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 10040 | return -EINVAL; |
f62fab73 JB |
10041 | memcpy(&req.ht_capa, |
10042 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
10043 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
10044 | } |
10045 | ||
ee2aca34 | 10046 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 10047 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 | 10048 | |
b6db0f89 BG |
10049 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE])) |
10050 | req.flags |= ASSOC_REQ_DISABLE_HE; | |
10051 | ||
ee2aca34 | 10052 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
f62fab73 JB |
10053 | memcpy(&req.vht_capa_mask, |
10054 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
10055 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
10056 | |
10057 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 10058 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 10059 | return -EINVAL; |
f62fab73 JB |
10060 | memcpy(&req.vht_capa, |
10061 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
10062 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
10063 | } |
10064 | ||
bab5ab7d | 10065 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
0c9ca11b BL |
10066 | if (!((rdev->wiphy.features & |
10067 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) && | |
10068 | (rdev->wiphy.features & NL80211_FEATURE_QUIET)) && | |
10069 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
10070 | NL80211_EXT_FEATURE_RRM)) | |
bab5ab7d AK |
10071 | return -EINVAL; |
10072 | req.flags |= ASSOC_REQ_USE_RRM; | |
10073 | } | |
10074 | ||
348bd456 JM |
10075 | if (info->attrs[NL80211_ATTR_FILS_KEK]) { |
10076 | req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]); | |
10077 | req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]); | |
10078 | if (!info->attrs[NL80211_ATTR_FILS_NONCES]) | |
10079 | return -EINVAL; | |
10080 | req.fils_nonces = | |
10081 | nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]); | |
10082 | } | |
10083 | ||
d2b7588a TP |
10084 | if (info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]) { |
10085 | if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY]) | |
10086 | return -EINVAL; | |
10087 | memcpy(&req.s1g_capa_mask, | |
10088 | nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]), | |
10089 | sizeof(req.s1g_capa_mask)); | |
10090 | } | |
10091 | ||
10092 | if (info->attrs[NL80211_ATTR_S1G_CAPABILITY]) { | |
10093 | if (!info->attrs[NL80211_ATTR_S1G_CAPABILITY_MASK]) | |
10094 | return -EINVAL; | |
10095 | memcpy(&req.s1g_capa, | |
10096 | nla_data(info->attrs[NL80211_ATTR_S1G_CAPABILITY]), | |
10097 | sizeof(req.s1g_capa)); | |
10098 | } | |
10099 | ||
f62fab73 | 10100 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
91bf9b26 JB |
10101 | if (!err) { |
10102 | wdev_lock(dev->ieee80211_ptr); | |
bd2522b1 | 10103 | |
f62fab73 JB |
10104 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
10105 | ssid, ssid_len, &req); | |
bd2522b1 AZ |
10106 | |
10107 | if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) { | |
10108 | dev->ieee80211_ptr->conn_owner_nlportid = | |
10109 | info->snd_portid; | |
10110 | memcpy(dev->ieee80211_ptr->disconnect_bssid, | |
10111 | bssid, ETH_ALEN); | |
10112 | } | |
10113 | ||
91bf9b26 JB |
10114 | wdev_unlock(dev->ieee80211_ptr); |
10115 | } | |
636a5d36 | 10116 | |
636a5d36 JM |
10117 | return err; |
10118 | } | |
10119 | ||
10120 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
10121 | { | |
4c476991 JB |
10122 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
10123 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 10124 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 10125 | int ie_len = 0, err; |
19957bb3 | 10126 | u16 reason_code; |
d5cdfacb | 10127 | bool local_state_change; |
636a5d36 | 10128 | |
bad29297 AZ |
10129 | if (dev->ieee80211_ptr->conn_owner_nlportid && |
10130 | dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid) | |
10131 | return -EPERM; | |
10132 | ||
f4a11bb0 JB |
10133 | if (!info->attrs[NL80211_ATTR_MAC]) |
10134 | return -EINVAL; | |
10135 | ||
10136 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
10137 | return -EINVAL; | |
10138 | ||
4c476991 JB |
10139 | if (!rdev->ops->deauth) |
10140 | return -EOPNOTSUPP; | |
636a5d36 | 10141 | |
074ac8df | 10142 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
10143 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
10144 | return -EOPNOTSUPP; | |
eec60b03 | 10145 | |
19957bb3 | 10146 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 10147 | |
19957bb3 JB |
10148 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
10149 | if (reason_code == 0) { | |
f4a11bb0 | 10150 | /* Reason Code 0 is reserved */ |
4c476991 | 10151 | return -EINVAL; |
255e737e | 10152 | } |
636a5d36 JM |
10153 | |
10154 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
10155 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
10156 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
10157 | } |
10158 | ||
d5cdfacb JM |
10159 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
10160 | ||
91bf9b26 JB |
10161 | wdev_lock(dev->ieee80211_ptr); |
10162 | err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, | |
10163 | local_state_change); | |
10164 | wdev_unlock(dev->ieee80211_ptr); | |
10165 | return err; | |
636a5d36 JM |
10166 | } |
10167 | ||
10168 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
10169 | { | |
4c476991 JB |
10170 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
10171 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 10172 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 10173 | int ie_len = 0, err; |
19957bb3 | 10174 | u16 reason_code; |
d5cdfacb | 10175 | bool local_state_change; |
636a5d36 | 10176 | |
bad29297 AZ |
10177 | if (dev->ieee80211_ptr->conn_owner_nlportid && |
10178 | dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid) | |
10179 | return -EPERM; | |
10180 | ||
f4a11bb0 JB |
10181 | if (!info->attrs[NL80211_ATTR_MAC]) |
10182 | return -EINVAL; | |
10183 | ||
10184 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
10185 | return -EINVAL; | |
10186 | ||
4c476991 JB |
10187 | if (!rdev->ops->disassoc) |
10188 | return -EOPNOTSUPP; | |
636a5d36 | 10189 | |
074ac8df | 10190 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
10191 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
10192 | return -EOPNOTSUPP; | |
eec60b03 | 10193 | |
19957bb3 | 10194 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 10195 | |
19957bb3 JB |
10196 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
10197 | if (reason_code == 0) { | |
f4a11bb0 | 10198 | /* Reason Code 0 is reserved */ |
4c476991 | 10199 | return -EINVAL; |
255e737e | 10200 | } |
636a5d36 JM |
10201 | |
10202 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
10203 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
10204 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
10205 | } |
10206 | ||
d5cdfacb JM |
10207 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
10208 | ||
91bf9b26 JB |
10209 | wdev_lock(dev->ieee80211_ptr); |
10210 | err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, | |
10211 | local_state_change); | |
10212 | wdev_unlock(dev->ieee80211_ptr); | |
10213 | return err; | |
636a5d36 JM |
10214 | } |
10215 | ||
dd5b4cc7 FF |
10216 | static bool |
10217 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
57fbcce3 | 10218 | int mcast_rate[NUM_NL80211_BANDS], |
dd5b4cc7 FF |
10219 | int rateval) |
10220 | { | |
10221 | struct wiphy *wiphy = &rdev->wiphy; | |
10222 | bool found = false; | |
10223 | int band, i; | |
10224 | ||
57fbcce3 | 10225 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
dd5b4cc7 FF |
10226 | struct ieee80211_supported_band *sband; |
10227 | ||
10228 | sband = wiphy->bands[band]; | |
10229 | if (!sband) | |
10230 | continue; | |
10231 | ||
10232 | for (i = 0; i < sband->n_bitrates; i++) { | |
10233 | if (sband->bitrates[i].bitrate == rateval) { | |
10234 | mcast_rate[band] = i + 1; | |
10235 | found = true; | |
10236 | break; | |
10237 | } | |
10238 | } | |
10239 | } | |
10240 | ||
10241 | return found; | |
10242 | } | |
10243 | ||
04a773ad JB |
10244 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
10245 | { | |
4c476991 JB |
10246 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
10247 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
10248 | struct cfg80211_ibss_params ibss; |
10249 | struct wiphy *wiphy; | |
fffd0934 | 10250 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
10251 | int err; |
10252 | ||
8e30bc55 JB |
10253 | memset(&ibss, 0, sizeof(ibss)); |
10254 | ||
683b6d3b | 10255 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
10256 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
10257 | return -EINVAL; | |
10258 | ||
8e30bc55 JB |
10259 | ibss.beacon_interval = 100; |
10260 | ||
12d20fc9 | 10261 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) |
8e30bc55 JB |
10262 | ibss.beacon_interval = |
10263 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
12d20fc9 | 10264 | |
0c317a02 PK |
10265 | err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC, |
10266 | ibss.beacon_interval); | |
12d20fc9 PK |
10267 | if (err) |
10268 | return err; | |
8e30bc55 | 10269 | |
4c476991 JB |
10270 | if (!rdev->ops->join_ibss) |
10271 | return -EOPNOTSUPP; | |
04a773ad | 10272 | |
4c476991 JB |
10273 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
10274 | return -EOPNOTSUPP; | |
04a773ad | 10275 | |
79c97e97 | 10276 | wiphy = &rdev->wiphy; |
04a773ad | 10277 | |
39193498 | 10278 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 10279 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
10280 | |
10281 | if (!is_valid_ether_addr(ibss.bssid)) | |
10282 | return -EINVAL; | |
10283 | } | |
04a773ad JB |
10284 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
10285 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
10286 | ||
10287 | if (info->attrs[NL80211_ATTR_IE]) { | |
10288 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
10289 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
10290 | } | |
10291 | ||
683b6d3b JB |
10292 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
10293 | if (err) | |
10294 | return err; | |
04a773ad | 10295 | |
174e0cd2 IP |
10296 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef, |
10297 | NL80211_IFTYPE_ADHOC)) | |
54858ee5 AS |
10298 | return -EINVAL; |
10299 | ||
2f301ab2 | 10300 | switch (ibss.chandef.width) { |
bf372645 SW |
10301 | case NL80211_CHAN_WIDTH_5: |
10302 | case NL80211_CHAN_WIDTH_10: | |
2f301ab2 SW |
10303 | case NL80211_CHAN_WIDTH_20_NOHT: |
10304 | break; | |
10305 | case NL80211_CHAN_WIDTH_20: | |
10306 | case NL80211_CHAN_WIDTH_40: | |
ffc11991 JD |
10307 | if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) |
10308 | return -EINVAL; | |
10309 | break; | |
10310 | case NL80211_CHAN_WIDTH_80: | |
10311 | case NL80211_CHAN_WIDTH_80P80: | |
10312 | case NL80211_CHAN_WIDTH_160: | |
10313 | if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) | |
10314 | return -EINVAL; | |
10315 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
10316 | NL80211_EXT_FEATURE_VHT_IBSS)) | |
10317 | return -EINVAL; | |
10318 | break; | |
2f301ab2 | 10319 | default: |
c04d6150 | 10320 | return -EINVAL; |
2f301ab2 | 10321 | } |
db9c64cf | 10322 | |
04a773ad | 10323 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
10324 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
10325 | ||
fbd2c8dc TP |
10326 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
10327 | u8 *rates = | |
10328 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
10329 | int n_rates = | |
10330 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
10331 | struct ieee80211_supported_band *sband = | |
683b6d3b | 10332 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 10333 | |
34850ab2 JB |
10334 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
10335 | &ibss.basic_rates); | |
10336 | if (err) | |
10337 | return err; | |
fbd2c8dc | 10338 | } |
dd5b4cc7 | 10339 | |
803768f5 SW |
10340 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
10341 | memcpy(&ibss.ht_capa_mask, | |
10342 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
10343 | sizeof(ibss.ht_capa_mask)); | |
10344 | ||
10345 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
10346 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
10347 | return -EINVAL; | |
10348 | memcpy(&ibss.ht_capa, | |
10349 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
10350 | sizeof(ibss.ht_capa)); | |
10351 | } | |
10352 | ||
dd5b4cc7 FF |
10353 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
10354 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
10355 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
10356 | return -EINVAL; | |
fbd2c8dc | 10357 | |
4c476991 | 10358 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
10359 | bool no_ht = false; |
10360 | ||
768075eb | 10361 | connkeys = nl80211_parse_connkeys(rdev, info, &no_ht); |
4c476991 JB |
10362 | if (IS_ERR(connkeys)) |
10363 | return PTR_ERR(connkeys); | |
de7044ee | 10364 | |
3d9d1d66 JB |
10365 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
10366 | no_ht) { | |
453431a5 | 10367 | kfree_sensitive(connkeys); |
de7044ee SM |
10368 | return -EINVAL; |
10369 | } | |
4c476991 | 10370 | } |
04a773ad | 10371 | |
267335d6 AQ |
10372 | ibss.control_port = |
10373 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
10374 | ||
c3bfe1f6 DK |
10375 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) { |
10376 | int r = validate_pae_over_nl80211(rdev, info); | |
10377 | ||
d350a0f4 | 10378 | if (r < 0) { |
453431a5 | 10379 | kfree_sensitive(connkeys); |
c3bfe1f6 | 10380 | return r; |
d350a0f4 | 10381 | } |
c3bfe1f6 DK |
10382 | |
10383 | ibss.control_port_over_nl80211 = true; | |
10384 | } | |
10385 | ||
5336fa88 SW |
10386 | ibss.userspace_handles_dfs = |
10387 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
10388 | ||
f8d16d3e DK |
10389 | wdev_lock(dev->ieee80211_ptr); |
10390 | err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys); | |
fffd0934 | 10391 | if (err) |
453431a5 | 10392 | kfree_sensitive(connkeys); |
f8d16d3e DK |
10393 | else if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
10394 | dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid; | |
10395 | wdev_unlock(dev->ieee80211_ptr); | |
10396 | ||
04a773ad JB |
10397 | return err; |
10398 | } | |
10399 | ||
10400 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
10401 | { | |
4c476991 JB |
10402 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
10403 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 10404 | |
4c476991 JB |
10405 | if (!rdev->ops->leave_ibss) |
10406 | return -EOPNOTSUPP; | |
04a773ad | 10407 | |
4c476991 JB |
10408 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
10409 | return -EOPNOTSUPP; | |
04a773ad | 10410 | |
4c476991 | 10411 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
10412 | } |
10413 | ||
f4e583c8 AQ |
10414 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
10415 | { | |
10416 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10417 | struct net_device *dev = info->user_ptr[1]; | |
57fbcce3 | 10418 | int mcast_rate[NUM_NL80211_BANDS]; |
f4e583c8 AQ |
10419 | u32 nla_rate; |
10420 | int err; | |
10421 | ||
10422 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
876dc930 BVB |
10423 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
10424 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB) | |
f4e583c8 AQ |
10425 | return -EOPNOTSUPP; |
10426 | ||
10427 | if (!rdev->ops->set_mcast_rate) | |
10428 | return -EOPNOTSUPP; | |
10429 | ||
10430 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
10431 | ||
10432 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
10433 | return -EINVAL; | |
10434 | ||
10435 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
10436 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
10437 | return -EINVAL; | |
10438 | ||
a1056b1b | 10439 | err = rdev_set_mcast_rate(rdev, dev, mcast_rate); |
f4e583c8 AQ |
10440 | |
10441 | return err; | |
10442 | } | |
10443 | ||
ad7e718c JB |
10444 | static struct sk_buff * |
10445 | __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev, | |
6c09e791 AK |
10446 | struct wireless_dev *wdev, int approxlen, |
10447 | u32 portid, u32 seq, enum nl80211_commands cmd, | |
567ffc35 JB |
10448 | enum nl80211_attrs attr, |
10449 | const struct nl80211_vendor_cmd_info *info, | |
10450 | gfp_t gfp) | |
ad7e718c JB |
10451 | { |
10452 | struct sk_buff *skb; | |
10453 | void *hdr; | |
10454 | struct nlattr *data; | |
10455 | ||
10456 | skb = nlmsg_new(approxlen + 100, gfp); | |
10457 | if (!skb) | |
10458 | return NULL; | |
10459 | ||
10460 | hdr = nl80211hdr_put(skb, portid, seq, 0, cmd); | |
10461 | if (!hdr) { | |
10462 | kfree_skb(skb); | |
10463 | return NULL; | |
10464 | } | |
10465 | ||
10466 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
10467 | goto nla_put_failure; | |
567ffc35 JB |
10468 | |
10469 | if (info) { | |
10470 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID, | |
10471 | info->vendor_id)) | |
10472 | goto nla_put_failure; | |
10473 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD, | |
10474 | info->subcmd)) | |
10475 | goto nla_put_failure; | |
10476 | } | |
10477 | ||
6c09e791 | 10478 | if (wdev) { |
2dad624e ND |
10479 | if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV, |
10480 | wdev_id(wdev), NL80211_ATTR_PAD)) | |
6c09e791 AK |
10481 | goto nla_put_failure; |
10482 | if (wdev->netdev && | |
10483 | nla_put_u32(skb, NL80211_ATTR_IFINDEX, | |
10484 | wdev->netdev->ifindex)) | |
10485 | goto nla_put_failure; | |
10486 | } | |
10487 | ||
ae0be8de | 10488 | data = nla_nest_start_noflag(skb, attr); |
76e1fb4b JB |
10489 | if (!data) |
10490 | goto nla_put_failure; | |
ad7e718c JB |
10491 | |
10492 | ((void **)skb->cb)[0] = rdev; | |
10493 | ((void **)skb->cb)[1] = hdr; | |
10494 | ((void **)skb->cb)[2] = data; | |
10495 | ||
10496 | return skb; | |
10497 | ||
10498 | nla_put_failure: | |
10499 | kfree_skb(skb); | |
10500 | return NULL; | |
10501 | } | |
f4e583c8 | 10502 | |
e03ad6ea | 10503 | struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, |
6c09e791 | 10504 | struct wireless_dev *wdev, |
e03ad6ea JB |
10505 | enum nl80211_commands cmd, |
10506 | enum nl80211_attrs attr, | |
55c1fdf0 | 10507 | unsigned int portid, |
e03ad6ea JB |
10508 | int vendor_event_idx, |
10509 | int approxlen, gfp_t gfp) | |
10510 | { | |
f26cbf40 | 10511 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
e03ad6ea JB |
10512 | const struct nl80211_vendor_cmd_info *info; |
10513 | ||
10514 | switch (cmd) { | |
10515 | case NL80211_CMD_TESTMODE: | |
10516 | if (WARN_ON(vendor_event_idx != -1)) | |
10517 | return NULL; | |
10518 | info = NULL; | |
10519 | break; | |
10520 | case NL80211_CMD_VENDOR: | |
10521 | if (WARN_ON(vendor_event_idx < 0 || | |
10522 | vendor_event_idx >= wiphy->n_vendor_events)) | |
10523 | return NULL; | |
10524 | info = &wiphy->vendor_events[vendor_event_idx]; | |
10525 | break; | |
10526 | default: | |
10527 | WARN_ON(1); | |
10528 | return NULL; | |
10529 | } | |
10530 | ||
55c1fdf0 | 10531 | return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, portid, 0, |
e03ad6ea JB |
10532 | cmd, attr, info, gfp); |
10533 | } | |
10534 | EXPORT_SYMBOL(__cfg80211_alloc_event_skb); | |
10535 | ||
10536 | void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp) | |
10537 | { | |
10538 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
10539 | void *hdr = ((void **)skb->cb)[1]; | |
55c1fdf0 | 10540 | struct nlmsghdr *nlhdr = nlmsg_hdr(skb); |
e03ad6ea JB |
10541 | struct nlattr *data = ((void **)skb->cb)[2]; |
10542 | enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE; | |
10543 | ||
bd8c78e7 JB |
10544 | /* clear CB data for netlink core to own from now on */ |
10545 | memset(skb->cb, 0, sizeof(skb->cb)); | |
10546 | ||
e03ad6ea JB |
10547 | nla_nest_end(skb, data); |
10548 | genlmsg_end(skb, hdr); | |
10549 | ||
55c1fdf0 JB |
10550 | if (nlhdr->nlmsg_pid) { |
10551 | genlmsg_unicast(wiphy_net(&rdev->wiphy), skb, | |
10552 | nlhdr->nlmsg_pid); | |
10553 | } else { | |
10554 | if (data->nla_type == NL80211_ATTR_VENDOR_DATA) | |
10555 | mcgrp = NL80211_MCGRP_VENDOR; | |
e03ad6ea | 10556 | |
55c1fdf0 JB |
10557 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), |
10558 | skb, 0, mcgrp, gfp); | |
10559 | } | |
e03ad6ea JB |
10560 | } |
10561 | EXPORT_SYMBOL(__cfg80211_send_event_skb); | |
10562 | ||
aff89a9b | 10563 | #ifdef CONFIG_NL80211_TESTMODE |
aff89a9b JB |
10564 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) |
10565 | { | |
4c476991 | 10566 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
a05829a7 | 10567 | struct wireless_dev *wdev; |
aff89a9b JB |
10568 | int err; |
10569 | ||
a05829a7 JB |
10570 | lockdep_assert_held(&rdev->wiphy.mtx); |
10571 | ||
10572 | wdev = __cfg80211_wdev_from_attrs(rdev, genl_info_net(info), | |
10573 | info->attrs); | |
10574 | ||
fc73f11f DS |
10575 | if (!rdev->ops->testmode_cmd) |
10576 | return -EOPNOTSUPP; | |
10577 | ||
10578 | if (IS_ERR(wdev)) { | |
10579 | err = PTR_ERR(wdev); | |
10580 | if (err != -EINVAL) | |
10581 | return err; | |
10582 | wdev = NULL; | |
10583 | } else if (wdev->wiphy != &rdev->wiphy) { | |
10584 | return -EINVAL; | |
10585 | } | |
10586 | ||
aff89a9b JB |
10587 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
10588 | return -EINVAL; | |
10589 | ||
ad7e718c | 10590 | rdev->cur_cmd_info = info; |
fc73f11f | 10591 | err = rdev_testmode_cmd(rdev, wdev, |
aff89a9b JB |
10592 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
10593 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
ad7e718c | 10594 | rdev->cur_cmd_info = NULL; |
aff89a9b | 10595 | |
aff89a9b JB |
10596 | return err; |
10597 | } | |
10598 | ||
71063f0e WYG |
10599 | static int nl80211_testmode_dump(struct sk_buff *skb, |
10600 | struct netlink_callback *cb) | |
10601 | { | |
00918d33 | 10602 | struct cfg80211_registered_device *rdev; |
50508d94 | 10603 | struct nlattr **attrbuf = NULL; |
71063f0e WYG |
10604 | int err; |
10605 | long phy_idx; | |
10606 | void *data = NULL; | |
10607 | int data_len = 0; | |
10608 | ||
5fe231e8 JB |
10609 | rtnl_lock(); |
10610 | ||
71063f0e WYG |
10611 | if (cb->args[0]) { |
10612 | /* | |
10613 | * 0 is a valid index, but not valid for args[0], | |
10614 | * so we need to offset by 1. | |
10615 | */ | |
10616 | phy_idx = cb->args[0] - 1; | |
a4956dca LC |
10617 | |
10618 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); | |
10619 | if (!rdev) { | |
10620 | err = -ENOENT; | |
10621 | goto out_err; | |
10622 | } | |
71063f0e | 10623 | } else { |
50508d94 JB |
10624 | attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), |
10625 | GFP_KERNEL); | |
10626 | if (!attrbuf) { | |
10627 | err = -ENOMEM; | |
10628 | goto out_err; | |
10629 | } | |
c90c39da | 10630 | |
8cb08174 JB |
10631 | err = nlmsg_parse_deprecated(cb->nlh, |
10632 | GENL_HDRLEN + nl80211_fam.hdrsize, | |
10633 | attrbuf, nl80211_fam.maxattr, | |
10634 | nl80211_policy, NULL); | |
71063f0e | 10635 | if (err) |
5fe231e8 | 10636 | goto out_err; |
00918d33 | 10637 | |
c90c39da | 10638 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf); |
2bd7e35d | 10639 | if (IS_ERR(rdev)) { |
5fe231e8 JB |
10640 | err = PTR_ERR(rdev); |
10641 | goto out_err; | |
00918d33 | 10642 | } |
2bd7e35d | 10643 | phy_idx = rdev->wiphy_idx; |
2bd7e35d | 10644 | |
c90c39da JB |
10645 | if (attrbuf[NL80211_ATTR_TESTDATA]) |
10646 | cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA]; | |
71063f0e WYG |
10647 | } |
10648 | ||
10649 | if (cb->args[1]) { | |
10650 | data = nla_data((void *)cb->args[1]); | |
10651 | data_len = nla_len((void *)cb->args[1]); | |
10652 | } | |
10653 | ||
00918d33 | 10654 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
10655 | err = -EOPNOTSUPP; |
10656 | goto out_err; | |
10657 | } | |
10658 | ||
10659 | while (1) { | |
15e47304 | 10660 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
10661 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
10662 | NL80211_CMD_TESTMODE); | |
10663 | struct nlattr *tmdata; | |
10664 | ||
cb35fba3 DC |
10665 | if (!hdr) |
10666 | break; | |
10667 | ||
9360ffd1 | 10668 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
10669 | genlmsg_cancel(skb, hdr); |
10670 | break; | |
10671 | } | |
10672 | ||
ae0be8de | 10673 | tmdata = nla_nest_start_noflag(skb, NL80211_ATTR_TESTDATA); |
71063f0e WYG |
10674 | if (!tmdata) { |
10675 | genlmsg_cancel(skb, hdr); | |
10676 | break; | |
10677 | } | |
e35e4d28 | 10678 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
10679 | nla_nest_end(skb, tmdata); |
10680 | ||
10681 | if (err == -ENOBUFS || err == -ENOENT) { | |
10682 | genlmsg_cancel(skb, hdr); | |
10683 | break; | |
10684 | } else if (err) { | |
10685 | genlmsg_cancel(skb, hdr); | |
10686 | goto out_err; | |
10687 | } | |
10688 | ||
10689 | genlmsg_end(skb, hdr); | |
10690 | } | |
10691 | ||
10692 | err = skb->len; | |
10693 | /* see above */ | |
10694 | cb->args[0] = phy_idx + 1; | |
10695 | out_err: | |
50508d94 | 10696 | kfree(attrbuf); |
5fe231e8 | 10697 | rtnl_unlock(); |
71063f0e WYG |
10698 | return err; |
10699 | } | |
aff89a9b JB |
10700 | #endif |
10701 | ||
b23aa676 SO |
10702 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
10703 | { | |
4c476991 JB |
10704 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
10705 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
10706 | struct cfg80211_connect_params connect; |
10707 | struct wiphy *wiphy; | |
fffd0934 | 10708 | struct cfg80211_cached_keys *connkeys = NULL; |
942ba88b | 10709 | u32 freq = 0; |
b23aa676 SO |
10710 | int err; |
10711 | ||
10712 | memset(&connect, 0, sizeof(connect)); | |
10713 | ||
b23aa676 SO |
10714 | if (!info->attrs[NL80211_ATTR_SSID] || |
10715 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
10716 | return -EINVAL; | |
10717 | ||
10718 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
10719 | connect.auth_type = | |
10720 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
10721 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
10722 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
10723 | return -EINVAL; |
10724 | } else | |
10725 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
10726 | ||
10727 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
10728 | ||
3a00df57 AS |
10729 | if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] && |
10730 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
10731 | NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X)) | |
10732 | return -EINVAL; | |
10733 | connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS]; | |
10734 | ||
c0692b8f | 10735 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 10736 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
10737 | if (err) |
10738 | return err; | |
b23aa676 | 10739 | |
074ac8df | 10740 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
10741 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
10742 | return -EOPNOTSUPP; | |
b23aa676 | 10743 | |
79c97e97 | 10744 | wiphy = &rdev->wiphy; |
b23aa676 | 10745 | |
4486ea98 BS |
10746 | connect.bg_scan_period = -1; |
10747 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
10748 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
10749 | connect.bg_scan_period = | |
10750 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
10751 | } | |
10752 | ||
b23aa676 SO |
10753 | if (info->attrs[NL80211_ATTR_MAC]) |
10754 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1df4a510 JM |
10755 | else if (info->attrs[NL80211_ATTR_MAC_HINT]) |
10756 | connect.bssid_hint = | |
10757 | nla_data(info->attrs[NL80211_ATTR_MAC_HINT]); | |
b23aa676 SO |
10758 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
10759 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
10760 | ||
10761 | if (info->attrs[NL80211_ATTR_IE]) { | |
10762 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
10763 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
10764 | } | |
10765 | ||
cee00a95 JM |
10766 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
10767 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
65026002 EG |
10768 | if (connect.mfp == NL80211_MFP_OPTIONAL && |
10769 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
10770 | NL80211_EXT_FEATURE_MFP_OPTIONAL)) | |
10771 | return -EOPNOTSUPP; | |
cee00a95 JM |
10772 | } else { |
10773 | connect.mfp = NL80211_MFP_NO; | |
10774 | } | |
10775 | ||
ba6fbacf JM |
10776 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
10777 | connect.prev_bssid = | |
10778 | nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); | |
10779 | ||
942ba88b TP |
10780 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) |
10781 | freq = MHZ_TO_KHZ(nla_get_u32( | |
10782 | info->attrs[NL80211_ATTR_WIPHY_FREQ])); | |
10783 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]) | |
10784 | freq += | |
10785 | nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_OFFSET]); | |
10786 | ||
10787 | if (freq) { | |
10788 | connect.channel = nl80211_get_valid_chan(wiphy, freq); | |
664834de | 10789 | if (!connect.channel) |
1df4a510 JM |
10790 | return -EINVAL; |
10791 | } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) { | |
942ba88b TP |
10792 | freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]); |
10793 | freq = MHZ_TO_KHZ(freq); | |
10794 | connect.channel_hint = nl80211_get_valid_chan(wiphy, freq); | |
664834de | 10795 | if (!connect.channel_hint) |
4c476991 | 10796 | return -EINVAL; |
b23aa676 SO |
10797 | } |
10798 | ||
2a38075c AAL |
10799 | if (info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]) { |
10800 | connect.edmg.channels = | |
10801 | nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_CHANNELS]); | |
10802 | ||
10803 | if (info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]) | |
10804 | connect.edmg.bw_config = | |
10805 | nla_get_u8(info->attrs[NL80211_ATTR_WIPHY_EDMG_BW_CONFIG]); | |
10806 | } | |
10807 | ||
fffd0934 | 10808 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
768075eb | 10809 | connkeys = nl80211_parse_connkeys(rdev, info, NULL); |
4c476991 JB |
10810 | if (IS_ERR(connkeys)) |
10811 | return PTR_ERR(connkeys); | |
fffd0934 JB |
10812 | } |
10813 | ||
7e7c8926 BG |
10814 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
10815 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
10816 | ||
10817 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
10818 | memcpy(&connect.ht_capa_mask, | |
10819 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
10820 | sizeof(connect.ht_capa_mask)); | |
10821 | ||
10822 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e | 10823 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
453431a5 | 10824 | kfree_sensitive(connkeys); |
7e7c8926 | 10825 | return -EINVAL; |
b4e4f47e | 10826 | } |
7e7c8926 BG |
10827 | memcpy(&connect.ht_capa, |
10828 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
10829 | sizeof(connect.ht_capa)); | |
10830 | } | |
10831 | ||
ee2aca34 JB |
10832 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
10833 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
10834 | ||
b6db0f89 BG |
10835 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HE])) |
10836 | connect.flags |= ASSOC_REQ_DISABLE_HE; | |
10837 | ||
ee2aca34 JB |
10838 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
10839 | memcpy(&connect.vht_capa_mask, | |
10840 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
10841 | sizeof(connect.vht_capa_mask)); | |
10842 | ||
10843 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
10844 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
453431a5 | 10845 | kfree_sensitive(connkeys); |
ee2aca34 JB |
10846 | return -EINVAL; |
10847 | } | |
10848 | memcpy(&connect.vht_capa, | |
10849 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
10850 | sizeof(connect.vht_capa)); | |
10851 | } | |
10852 | ||
bab5ab7d | 10853 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
0c9ca11b BL |
10854 | if (!((rdev->wiphy.features & |
10855 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) && | |
10856 | (rdev->wiphy.features & NL80211_FEATURE_QUIET)) && | |
10857 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
10858 | NL80211_EXT_FEATURE_RRM)) { | |
453431a5 | 10859 | kfree_sensitive(connkeys); |
bab5ab7d | 10860 | return -EINVAL; |
707554b4 | 10861 | } |
bab5ab7d AK |
10862 | connect.flags |= ASSOC_REQ_USE_RRM; |
10863 | } | |
10864 | ||
34d50519 | 10865 | connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]); |
57fbcce3 | 10866 | if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) { |
453431a5 | 10867 | kfree_sensitive(connkeys); |
34d50519 LD |
10868 | return -EOPNOTSUPP; |
10869 | } | |
10870 | ||
38de03d2 AS |
10871 | if (info->attrs[NL80211_ATTR_BSS_SELECT]) { |
10872 | /* bss selection makes no sense if bssid is set */ | |
10873 | if (connect.bssid) { | |
453431a5 | 10874 | kfree_sensitive(connkeys); |
38de03d2 AS |
10875 | return -EINVAL; |
10876 | } | |
10877 | ||
10878 | err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT], | |
10879 | wiphy, &connect.bss_select); | |
10880 | if (err) { | |
453431a5 | 10881 | kfree_sensitive(connkeys); |
38de03d2 AS |
10882 | return err; |
10883 | } | |
10884 | } | |
10885 | ||
a3caf744 VK |
10886 | if (wiphy_ext_feature_isset(&rdev->wiphy, |
10887 | NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) && | |
10888 | info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] && | |
10889 | info->attrs[NL80211_ATTR_FILS_ERP_REALM] && | |
10890 | info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] && | |
10891 | info->attrs[NL80211_ATTR_FILS_ERP_RRK]) { | |
10892 | connect.fils_erp_username = | |
10893 | nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]); | |
10894 | connect.fils_erp_username_len = | |
10895 | nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]); | |
10896 | connect.fils_erp_realm = | |
10897 | nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]); | |
10898 | connect.fils_erp_realm_len = | |
10899 | nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]); | |
10900 | connect.fils_erp_next_seq_num = | |
10901 | nla_get_u16( | |
10902 | info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]); | |
10903 | connect.fils_erp_rrk = | |
10904 | nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]); | |
10905 | connect.fils_erp_rrk_len = | |
10906 | nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]); | |
10907 | } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] || | |
10908 | info->attrs[NL80211_ATTR_FILS_ERP_REALM] || | |
10909 | info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] || | |
10910 | info->attrs[NL80211_ATTR_FILS_ERP_RRK]) { | |
453431a5 | 10911 | kfree_sensitive(connkeys); |
a3caf744 VK |
10912 | return -EINVAL; |
10913 | } | |
10914 | ||
40cbfa90 SD |
10915 | if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) { |
10916 | if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) { | |
453431a5 | 10917 | kfree_sensitive(connkeys); |
40cbfa90 SD |
10918 | GENL_SET_ERR_MSG(info, |
10919 | "external auth requires connection ownership"); | |
10920 | return -EINVAL; | |
10921 | } | |
10922 | connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT; | |
10923 | } | |
10924 | ||
83739b03 | 10925 | wdev_lock(dev->ieee80211_ptr); |
bd2522b1 | 10926 | |
4ce2bd9c JM |
10927 | err = cfg80211_connect(rdev, dev, &connect, connkeys, |
10928 | connect.prev_bssid); | |
fffd0934 | 10929 | if (err) |
453431a5 | 10930 | kfree_sensitive(connkeys); |
bd2522b1 AZ |
10931 | |
10932 | if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) { | |
10933 | dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid; | |
10934 | if (connect.bssid) | |
10935 | memcpy(dev->ieee80211_ptr->disconnect_bssid, | |
10936 | connect.bssid, ETH_ALEN); | |
10937 | else | |
3b1648f1 | 10938 | eth_zero_addr(dev->ieee80211_ptr->disconnect_bssid); |
bd2522b1 AZ |
10939 | } |
10940 | ||
10941 | wdev_unlock(dev->ieee80211_ptr); | |
10942 | ||
b23aa676 SO |
10943 | return err; |
10944 | } | |
10945 | ||
088e8df8 | 10946 | static int nl80211_update_connect_params(struct sk_buff *skb, |
10947 | struct genl_info *info) | |
10948 | { | |
10949 | struct cfg80211_connect_params connect = {}; | |
10950 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10951 | struct net_device *dev = info->user_ptr[1]; | |
10952 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7f9a3e15 VK |
10953 | bool fils_sk_offload; |
10954 | u32 auth_type; | |
088e8df8 | 10955 | u32 changed = 0; |
10956 | int ret; | |
10957 | ||
10958 | if (!rdev->ops->update_connect_params) | |
10959 | return -EOPNOTSUPP; | |
10960 | ||
10961 | if (info->attrs[NL80211_ATTR_IE]) { | |
088e8df8 | 10962 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
10963 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
10964 | changed |= UPDATE_ASSOC_IES; | |
10965 | } | |
10966 | ||
7f9a3e15 VK |
10967 | fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy, |
10968 | NL80211_EXT_FEATURE_FILS_SK_OFFLOAD); | |
10969 | ||
10970 | /* | |
10971 | * when driver supports fils-sk offload all attributes must be | |
10972 | * provided. So the else covers "fils-sk-not-all" and | |
10973 | * "no-fils-sk-any". | |
10974 | */ | |
10975 | if (fils_sk_offload && | |
10976 | info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] && | |
10977 | info->attrs[NL80211_ATTR_FILS_ERP_REALM] && | |
10978 | info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] && | |
10979 | info->attrs[NL80211_ATTR_FILS_ERP_RRK]) { | |
10980 | connect.fils_erp_username = | |
10981 | nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]); | |
10982 | connect.fils_erp_username_len = | |
10983 | nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]); | |
10984 | connect.fils_erp_realm = | |
10985 | nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]); | |
10986 | connect.fils_erp_realm_len = | |
10987 | nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]); | |
10988 | connect.fils_erp_next_seq_num = | |
10989 | nla_get_u16( | |
10990 | info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]); | |
10991 | connect.fils_erp_rrk = | |
10992 | nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]); | |
10993 | connect.fils_erp_rrk_len = | |
10994 | nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]); | |
10995 | changed |= UPDATE_FILS_ERP_INFO; | |
10996 | } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] || | |
10997 | info->attrs[NL80211_ATTR_FILS_ERP_REALM] || | |
10998 | info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] || | |
10999 | info->attrs[NL80211_ATTR_FILS_ERP_RRK]) { | |
11000 | return -EINVAL; | |
11001 | } | |
11002 | ||
11003 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
11004 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
11005 | if (!nl80211_valid_auth_type(rdev, auth_type, | |
11006 | NL80211_CMD_CONNECT)) | |
11007 | return -EINVAL; | |
11008 | ||
11009 | if (auth_type == NL80211_AUTHTYPE_FILS_SK && | |
11010 | fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO)) | |
11011 | return -EINVAL; | |
11012 | ||
11013 | connect.auth_type = auth_type; | |
11014 | changed |= UPDATE_AUTH_TYPE; | |
11015 | } | |
11016 | ||
088e8df8 | 11017 | wdev_lock(dev->ieee80211_ptr); |
11018 | if (!wdev->current_bss) | |
11019 | ret = -ENOLINK; | |
11020 | else | |
11021 | ret = rdev_update_connect_params(rdev, dev, &connect, changed); | |
11022 | wdev_unlock(dev->ieee80211_ptr); | |
11023 | ||
11024 | return ret; | |
11025 | } | |
11026 | ||
b23aa676 SO |
11027 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) |
11028 | { | |
4c476991 JB |
11029 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
11030 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 | 11031 | u16 reason; |
83739b03 | 11032 | int ret; |
b23aa676 | 11033 | |
bad29297 AZ |
11034 | if (dev->ieee80211_ptr->conn_owner_nlportid && |
11035 | dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid) | |
11036 | return -EPERM; | |
11037 | ||
b23aa676 SO |
11038 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) |
11039 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
11040 | else | |
11041 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
11042 | ||
11043 | if (reason == 0) | |
11044 | return -EINVAL; | |
11045 | ||
074ac8df | 11046 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
11047 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
11048 | return -EOPNOTSUPP; | |
b23aa676 | 11049 | |
83739b03 JB |
11050 | wdev_lock(dev->ieee80211_ptr); |
11051 | ret = cfg80211_disconnect(rdev, dev, reason, true); | |
11052 | wdev_unlock(dev->ieee80211_ptr); | |
11053 | return ret; | |
b23aa676 SO |
11054 | } |
11055 | ||
463d0183 JB |
11056 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
11057 | { | |
4c476991 | 11058 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
11059 | struct net *net; |
11060 | int err; | |
463d0183 | 11061 | |
4b681c82 VK |
11062 | if (info->attrs[NL80211_ATTR_PID]) { |
11063 | u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
11064 | ||
11065 | net = get_net_ns_by_pid(pid); | |
11066 | } else if (info->attrs[NL80211_ATTR_NETNS_FD]) { | |
11067 | u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]); | |
463d0183 | 11068 | |
4b681c82 VK |
11069 | net = get_net_ns_by_fd(fd); |
11070 | } else { | |
11071 | return -EINVAL; | |
11072 | } | |
463d0183 | 11073 | |
4c476991 JB |
11074 | if (IS_ERR(net)) |
11075 | return PTR_ERR(net); | |
463d0183 JB |
11076 | |
11077 | err = 0; | |
11078 | ||
11079 | /* check if anything to do */ | |
4c476991 JB |
11080 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
11081 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 11082 | |
463d0183 | 11083 | put_net(net); |
463d0183 JB |
11084 | return err; |
11085 | } | |
11086 | ||
67fbb16b SO |
11087 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
11088 | { | |
4c476991 | 11089 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
11090 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
11091 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 11092 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
11093 | struct cfg80211_pmksa pmksa; |
11094 | ||
11095 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
11096 | ||
67fbb16b SO |
11097 | if (!info->attrs[NL80211_ATTR_PMKID]) |
11098 | return -EINVAL; | |
11099 | ||
67fbb16b | 11100 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
a3caf744 VK |
11101 | |
11102 | if (info->attrs[NL80211_ATTR_MAC]) { | |
11103 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
11104 | } else if (info->attrs[NL80211_ATTR_SSID] && | |
11105 | info->attrs[NL80211_ATTR_FILS_CACHE_ID] && | |
11106 | (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA || | |
11107 | info->attrs[NL80211_ATTR_PMK])) { | |
11108 | pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
11109 | pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
11110 | pmksa.cache_id = | |
11111 | nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]); | |
11112 | } else { | |
11113 | return -EINVAL; | |
11114 | } | |
11115 | if (info->attrs[NL80211_ATTR_PMK]) { | |
11116 | pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]); | |
11117 | pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]); | |
11118 | } | |
67fbb16b | 11119 | |
7fc82af8 VJ |
11120 | if (info->attrs[NL80211_ATTR_PMK_LIFETIME]) |
11121 | pmksa.pmk_lifetime = | |
11122 | nla_get_u32(info->attrs[NL80211_ATTR_PMK_LIFETIME]); | |
11123 | ||
11124 | if (info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD]) | |
11125 | pmksa.pmk_reauth_threshold = | |
11126 | nla_get_u8( | |
11127 | info->attrs[NL80211_ATTR_PMK_REAUTH_THRESHOLD]); | |
11128 | ||
074ac8df | 11129 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
6c900360 LD |
11130 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT && |
11131 | !(dev->ieee80211_ptr->iftype == NL80211_IFTYPE_AP && | |
11132 | wiphy_ext_feature_isset(&rdev->wiphy, | |
11133 | NL80211_EXT_FEATURE_AP_PMKSA_CACHING))) | |
4c476991 | 11134 | return -EOPNOTSUPP; |
67fbb16b SO |
11135 | |
11136 | switch (info->genlhdr->cmd) { | |
11137 | case NL80211_CMD_SET_PMKSA: | |
11138 | rdev_ops = rdev->ops->set_pmksa; | |
11139 | break; | |
11140 | case NL80211_CMD_DEL_PMKSA: | |
11141 | rdev_ops = rdev->ops->del_pmksa; | |
11142 | break; | |
11143 | default: | |
11144 | WARN_ON(1); | |
11145 | break; | |
11146 | } | |
11147 | ||
4c476991 JB |
11148 | if (!rdev_ops) |
11149 | return -EOPNOTSUPP; | |
67fbb16b | 11150 | |
4c476991 | 11151 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
11152 | } |
11153 | ||
11154 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
11155 | { | |
4c476991 JB |
11156 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
11157 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 11158 | |
074ac8df | 11159 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
11160 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
11161 | return -EOPNOTSUPP; | |
67fbb16b | 11162 | |
4c476991 JB |
11163 | if (!rdev->ops->flush_pmksa) |
11164 | return -EOPNOTSUPP; | |
67fbb16b | 11165 | |
e35e4d28 | 11166 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
11167 | } |
11168 | ||
109086ce AN |
11169 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
11170 | { | |
11171 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11172 | struct net_device *dev = info->user_ptr[1]; | |
11173 | u8 action_code, dialog_token; | |
df942e7b | 11174 | u32 peer_capability = 0; |
109086ce AN |
11175 | u16 status_code; |
11176 | u8 *peer; | |
31fa97c5 | 11177 | bool initiator; |
109086ce AN |
11178 | |
11179 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
11180 | !rdev->ops->tdls_mgmt) | |
11181 | return -EOPNOTSUPP; | |
11182 | ||
11183 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
11184 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
11185 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
11186 | !info->attrs[NL80211_ATTR_IE] || | |
11187 | !info->attrs[NL80211_ATTR_MAC]) | |
11188 | return -EINVAL; | |
11189 | ||
11190 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
11191 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
11192 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
11193 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
31fa97c5 | 11194 | initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]); |
df942e7b SDU |
11195 | if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]) |
11196 | peer_capability = | |
11197 | nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]); | |
109086ce | 11198 | |
e35e4d28 | 11199 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
df942e7b | 11200 | dialog_token, status_code, peer_capability, |
31fa97c5 | 11201 | initiator, |
e35e4d28 HG |
11202 | nla_data(info->attrs[NL80211_ATTR_IE]), |
11203 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
11204 | } |
11205 | ||
11206 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
11207 | { | |
11208 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11209 | struct net_device *dev = info->user_ptr[1]; | |
11210 | enum nl80211_tdls_operation operation; | |
11211 | u8 *peer; | |
11212 | ||
11213 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
11214 | !rdev->ops->tdls_oper) | |
11215 | return -EOPNOTSUPP; | |
11216 | ||
11217 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
11218 | !info->attrs[NL80211_ATTR_MAC]) | |
11219 | return -EINVAL; | |
11220 | ||
11221 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
11222 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
11223 | ||
e35e4d28 | 11224 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
11225 | } |
11226 | ||
9588bbd5 JM |
11227 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
11228 | struct genl_info *info) | |
11229 | { | |
4c476991 | 11230 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 11231 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 11232 | struct cfg80211_chan_def chandef; |
34373d12 | 11233 | const struct cfg80211_chan_def *compat_chandef; |
9588bbd5 JM |
11234 | struct sk_buff *msg; |
11235 | void *hdr; | |
11236 | u64 cookie; | |
683b6d3b | 11237 | u32 duration; |
9588bbd5 JM |
11238 | int err; |
11239 | ||
11240 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
11241 | !info->attrs[NL80211_ATTR_DURATION]) | |
11242 | return -EINVAL; | |
11243 | ||
11244 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
11245 | ||
ebf348fc JB |
11246 | if (!rdev->ops->remain_on_channel || |
11247 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
11248 | return -EOPNOTSUPP; | |
11249 | ||
9588bbd5 | 11250 | /* |
ebf348fc JB |
11251 | * We should be on that channel for at least a minimum amount of |
11252 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 11253 | */ |
ebf348fc | 11254 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 11255 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
11256 | return -EINVAL; |
11257 | ||
683b6d3b JB |
11258 | err = nl80211_parse_chandef(rdev, info, &chandef); |
11259 | if (err) | |
11260 | return err; | |
9588bbd5 | 11261 | |
34373d12 VT |
11262 | wdev_lock(wdev); |
11263 | if (!cfg80211_off_channel_oper_allowed(wdev) && | |
11264 | !cfg80211_chandef_identical(&wdev->chandef, &chandef)) { | |
11265 | compat_chandef = cfg80211_chandef_compatible(&wdev->chandef, | |
11266 | &chandef); | |
11267 | if (compat_chandef != &chandef) { | |
11268 | wdev_unlock(wdev); | |
11269 | return -EBUSY; | |
11270 | } | |
11271 | } | |
11272 | wdev_unlock(wdev); | |
11273 | ||
9588bbd5 | 11274 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
11275 | if (!msg) |
11276 | return -ENOMEM; | |
9588bbd5 | 11277 | |
15e47304 | 11278 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 | 11279 | NL80211_CMD_REMAIN_ON_CHANNEL); |
cb35fba3 DC |
11280 | if (!hdr) { |
11281 | err = -ENOBUFS; | |
9588bbd5 JM |
11282 | goto free_msg; |
11283 | } | |
11284 | ||
683b6d3b JB |
11285 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
11286 | duration, &cookie); | |
9588bbd5 JM |
11287 | |
11288 | if (err) | |
11289 | goto free_msg; | |
11290 | ||
2dad624e ND |
11291 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
11292 | NL80211_ATTR_PAD)) | |
9360ffd1 | 11293 | goto nla_put_failure; |
9588bbd5 JM |
11294 | |
11295 | genlmsg_end(msg, hdr); | |
4c476991 JB |
11296 | |
11297 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
11298 | |
11299 | nla_put_failure: | |
11300 | err = -ENOBUFS; | |
11301 | free_msg: | |
11302 | nlmsg_free(msg); | |
9588bbd5 JM |
11303 | return err; |
11304 | } | |
11305 | ||
11306 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
11307 | struct genl_info *info) | |
11308 | { | |
4c476991 | 11309 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 11310 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 11311 | u64 cookie; |
9588bbd5 JM |
11312 | |
11313 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
11314 | return -EINVAL; | |
11315 | ||
4c476991 JB |
11316 | if (!rdev->ops->cancel_remain_on_channel) |
11317 | return -EOPNOTSUPP; | |
9588bbd5 | 11318 | |
9588bbd5 JM |
11319 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
11320 | ||
e35e4d28 | 11321 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
11322 | } |
11323 | ||
13ae75b1 JM |
11324 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, |
11325 | struct genl_info *info) | |
11326 | { | |
13ae75b1 | 11327 | struct cfg80211_bitrate_mask mask; |
a7c7fbff | 11328 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 11329 | struct net_device *dev = info->user_ptr[1]; |
a7c7fbff | 11330 | int err; |
13ae75b1 | 11331 | |
4c476991 JB |
11332 | if (!rdev->ops->set_bitrate_mask) |
11333 | return -EOPNOTSUPP; | |
13ae75b1 | 11334 | |
9a5f6488 | 11335 | err = nl80211_parse_tx_bitrate_mask(info, info->attrs, |
eb89a6a6 | 11336 | NL80211_ATTR_TX_RATES, &mask, |
857b34c4 | 11337 | dev, true); |
a7c7fbff PK |
11338 | if (err) |
11339 | return err; | |
13ae75b1 | 11340 | |
e35e4d28 | 11341 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
11342 | } |
11343 | ||
2e161f78 | 11344 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 11345 | { |
4c476991 | 11346 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 11347 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 11348 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
11349 | |
11350 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
11351 | return -EINVAL; | |
11352 | ||
2e161f78 JB |
11353 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
11354 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 11355 | |
71bbc994 JB |
11356 | switch (wdev->iftype) { |
11357 | case NL80211_IFTYPE_STATION: | |
11358 | case NL80211_IFTYPE_ADHOC: | |
11359 | case NL80211_IFTYPE_P2P_CLIENT: | |
11360 | case NL80211_IFTYPE_AP: | |
11361 | case NL80211_IFTYPE_AP_VLAN: | |
11362 | case NL80211_IFTYPE_MESH_POINT: | |
11363 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 11364 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 | 11365 | break; |
cb3b7d87 | 11366 | case NL80211_IFTYPE_NAN: |
71bbc994 | 11367 | default: |
4c476991 | 11368 | return -EOPNOTSUPP; |
71bbc994 | 11369 | } |
026331c4 JM |
11370 | |
11371 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
11372 | if (!rdev->ops->mgmt_tx) |
11373 | return -EOPNOTSUPP; | |
026331c4 | 11374 | |
9dba48a6 JB |
11375 | if (info->attrs[NL80211_ATTR_RECEIVE_MULTICAST] && |
11376 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
11377 | NL80211_EXT_FEATURE_MULTICAST_REGISTRATIONS)) { | |
11378 | GENL_SET_ERR_MSG(info, | |
11379 | "multicast RX registrations are not supported"); | |
11380 | return -EOPNOTSUPP; | |
11381 | } | |
11382 | ||
15e47304 | 11383 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
ff74c51e IP |
11384 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
11385 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH]), | |
9dba48a6 | 11386 | info->attrs[NL80211_ATTR_RECEIVE_MULTICAST], |
ff74c51e | 11387 | info->extack); |
026331c4 JM |
11388 | } |
11389 | ||
2e161f78 | 11390 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 11391 | { |
4c476991 | 11392 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 11393 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 11394 | struct cfg80211_chan_def chandef; |
026331c4 | 11395 | int err; |
d64d373f | 11396 | void *hdr = NULL; |
026331c4 | 11397 | u64 cookie; |
e247bd90 | 11398 | struct sk_buff *msg = NULL; |
b176e629 AO |
11399 | struct cfg80211_mgmt_tx_params params = { |
11400 | .dont_wait_for_ack = | |
11401 | info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK], | |
11402 | }; | |
026331c4 | 11403 | |
683b6d3b | 11404 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
11405 | return -EINVAL; |
11406 | ||
4c476991 JB |
11407 | if (!rdev->ops->mgmt_tx) |
11408 | return -EOPNOTSUPP; | |
026331c4 | 11409 | |
71bbc994 | 11410 | switch (wdev->iftype) { |
ea141b75 AQ |
11411 | case NL80211_IFTYPE_P2P_DEVICE: |
11412 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
11413 | return -EINVAL; | |
d7832c71 | 11414 | break; |
71bbc994 JB |
11415 | case NL80211_IFTYPE_STATION: |
11416 | case NL80211_IFTYPE_ADHOC: | |
11417 | case NL80211_IFTYPE_P2P_CLIENT: | |
11418 | case NL80211_IFTYPE_AP: | |
11419 | case NL80211_IFTYPE_AP_VLAN: | |
11420 | case NL80211_IFTYPE_MESH_POINT: | |
11421 | case NL80211_IFTYPE_P2P_GO: | |
11422 | break; | |
cb3b7d87 | 11423 | case NL80211_IFTYPE_NAN: |
71bbc994 | 11424 | default: |
4c476991 | 11425 | return -EOPNOTSUPP; |
71bbc994 | 11426 | } |
026331c4 | 11427 | |
f7ca38df | 11428 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 11429 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df | 11430 | return -EINVAL; |
b176e629 | 11431 | params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); |
ebf348fc JB |
11432 | |
11433 | /* | |
11434 | * We should wait on the channel for at least a minimum amount | |
11435 | * of time (10ms) but no longer than the driver supports. | |
11436 | */ | |
b176e629 AO |
11437 | if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
11438 | params.wait > rdev->wiphy.max_remain_on_channel_duration) | |
ebf348fc | 11439 | return -EINVAL; |
f7ca38df JB |
11440 | } |
11441 | ||
b176e629 | 11442 | params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
f7ca38df | 11443 | |
b176e629 | 11444 | if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7c4ef712 JB |
11445 | return -EINVAL; |
11446 | ||
b176e629 | 11447 | params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
e9f935e3 | 11448 | |
ea141b75 AQ |
11449 | /* get the channel if any has been specified, otherwise pass NULL to |
11450 | * the driver. The latter will use the current one | |
11451 | */ | |
11452 | chandef.chan = NULL; | |
11453 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
11454 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
11455 | if (err) | |
11456 | return err; | |
11457 | } | |
11458 | ||
b176e629 | 11459 | if (!chandef.chan && params.offchan) |
ea141b75 | 11460 | return -EINVAL; |
026331c4 | 11461 | |
34373d12 VT |
11462 | wdev_lock(wdev); |
11463 | if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) { | |
11464 | wdev_unlock(wdev); | |
11465 | return -EBUSY; | |
11466 | } | |
11467 | wdev_unlock(wdev); | |
11468 | ||
34d22ce2 AO |
11469 | params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); |
11470 | params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]); | |
11471 | ||
11472 | if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) { | |
11473 | int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
11474 | int i; | |
11475 | ||
11476 | if (len % sizeof(u16)) | |
11477 | return -EINVAL; | |
11478 | ||
11479 | params.n_csa_offsets = len / sizeof(u16); | |
11480 | params.csa_offsets = | |
11481 | nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
11482 | ||
11483 | /* check that all the offsets fit the frame */ | |
11484 | for (i = 0; i < params.n_csa_offsets; i++) { | |
11485 | if (params.csa_offsets[i] >= params.len) | |
11486 | return -EINVAL; | |
11487 | } | |
11488 | } | |
11489 | ||
b176e629 | 11490 | if (!params.dont_wait_for_ack) { |
e247bd90 JB |
11491 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
11492 | if (!msg) | |
11493 | return -ENOMEM; | |
026331c4 | 11494 | |
15e47304 | 11495 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 11496 | NL80211_CMD_FRAME); |
cb35fba3 DC |
11497 | if (!hdr) { |
11498 | err = -ENOBUFS; | |
e247bd90 JB |
11499 | goto free_msg; |
11500 | } | |
026331c4 | 11501 | } |
e247bd90 | 11502 | |
b176e629 AO |
11503 | params.chan = chandef.chan; |
11504 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie); | |
026331c4 JM |
11505 | if (err) |
11506 | goto free_msg; | |
11507 | ||
e247bd90 | 11508 | if (msg) { |
2dad624e ND |
11509 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
11510 | NL80211_ATTR_PAD)) | |
9360ffd1 | 11511 | goto nla_put_failure; |
026331c4 | 11512 | |
e247bd90 JB |
11513 | genlmsg_end(msg, hdr); |
11514 | return genlmsg_reply(msg, info); | |
11515 | } | |
11516 | ||
11517 | return 0; | |
026331c4 JM |
11518 | |
11519 | nla_put_failure: | |
11520 | err = -ENOBUFS; | |
11521 | free_msg: | |
11522 | nlmsg_free(msg); | |
026331c4 JM |
11523 | return err; |
11524 | } | |
11525 | ||
f7ca38df JB |
11526 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
11527 | { | |
11528 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 11529 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
11530 | u64 cookie; |
11531 | ||
11532 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
11533 | return -EINVAL; | |
11534 | ||
11535 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
11536 | return -EOPNOTSUPP; | |
11537 | ||
71bbc994 JB |
11538 | switch (wdev->iftype) { |
11539 | case NL80211_IFTYPE_STATION: | |
11540 | case NL80211_IFTYPE_ADHOC: | |
11541 | case NL80211_IFTYPE_P2P_CLIENT: | |
11542 | case NL80211_IFTYPE_AP: | |
11543 | case NL80211_IFTYPE_AP_VLAN: | |
11544 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 11545 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 | 11546 | break; |
cb3b7d87 | 11547 | case NL80211_IFTYPE_NAN: |
71bbc994 | 11548 | default: |
f7ca38df | 11549 | return -EOPNOTSUPP; |
71bbc994 | 11550 | } |
f7ca38df JB |
11551 | |
11552 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
11553 | ||
e35e4d28 | 11554 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
11555 | } |
11556 | ||
ffb9eb3d KV |
11557 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
11558 | { | |
4c476991 | 11559 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 11560 | struct wireless_dev *wdev; |
4c476991 | 11561 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
11562 | u8 ps_state; |
11563 | bool state; | |
11564 | int err; | |
11565 | ||
4c476991 JB |
11566 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
11567 | return -EINVAL; | |
ffb9eb3d KV |
11568 | |
11569 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
11570 | ||
ffb9eb3d KV |
11571 | wdev = dev->ieee80211_ptr; |
11572 | ||
4c476991 JB |
11573 | if (!rdev->ops->set_power_mgmt) |
11574 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
11575 | |
11576 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
11577 | ||
11578 | if (state == wdev->ps) | |
4c476991 | 11579 | return 0; |
ffb9eb3d | 11580 | |
e35e4d28 | 11581 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
11582 | if (!err) |
11583 | wdev->ps = state; | |
ffb9eb3d KV |
11584 | return err; |
11585 | } | |
11586 | ||
11587 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
11588 | { | |
4c476991 | 11589 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
11590 | enum nl80211_ps_state ps_state; |
11591 | struct wireless_dev *wdev; | |
4c476991 | 11592 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
11593 | struct sk_buff *msg; |
11594 | void *hdr; | |
11595 | int err; | |
11596 | ||
ffb9eb3d KV |
11597 | wdev = dev->ieee80211_ptr; |
11598 | ||
4c476991 JB |
11599 | if (!rdev->ops->set_power_mgmt) |
11600 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
11601 | |
11602 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
11603 | if (!msg) |
11604 | return -ENOMEM; | |
ffb9eb3d | 11605 | |
15e47304 | 11606 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
11607 | NL80211_CMD_GET_POWER_SAVE); |
11608 | if (!hdr) { | |
4c476991 | 11609 | err = -ENOBUFS; |
ffb9eb3d KV |
11610 | goto free_msg; |
11611 | } | |
11612 | ||
11613 | if (wdev->ps) | |
11614 | ps_state = NL80211_PS_ENABLED; | |
11615 | else | |
11616 | ps_state = NL80211_PS_DISABLED; | |
11617 | ||
9360ffd1 DM |
11618 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
11619 | goto nla_put_failure; | |
ffb9eb3d KV |
11620 | |
11621 | genlmsg_end(msg, hdr); | |
4c476991 | 11622 | return genlmsg_reply(msg, info); |
ffb9eb3d | 11623 | |
4c476991 | 11624 | nla_put_failure: |
ffb9eb3d | 11625 | err = -ENOBUFS; |
4c476991 | 11626 | free_msg: |
ffb9eb3d | 11627 | nlmsg_free(msg); |
ffb9eb3d KV |
11628 | return err; |
11629 | } | |
11630 | ||
94e860f1 JB |
11631 | static const struct nla_policy |
11632 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = { | |
4a4b8169 | 11633 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY }, |
d6dc1a38 JO |
11634 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, |
11635 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
11636 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
11637 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
11638 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
bee427b8 | 11639 | [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 }, |
d6dc1a38 JO |
11640 | }; |
11641 | ||
84f10708 | 11642 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 11643 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
11644 | { |
11645 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
84f10708 | 11646 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 11647 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
84f10708 | 11648 | |
d9d8b019 | 11649 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
11650 | return -EINVAL; |
11651 | ||
84f10708 TP |
11652 | if (!rdev->ops->set_cqm_txe_config) |
11653 | return -EOPNOTSUPP; | |
11654 | ||
11655 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
11656 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
11657 | return -EOPNOTSUPP; | |
11658 | ||
e35e4d28 | 11659 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
11660 | } |
11661 | ||
4a4b8169 AZ |
11662 | static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev, |
11663 | struct net_device *dev) | |
11664 | { | |
11665 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11666 | s32 last, low, high; | |
11667 | u32 hyst; | |
1222a160 | 11668 | int i, n, low_index; |
4a4b8169 AZ |
11669 | int err; |
11670 | ||
11671 | /* RSSI reporting disabled? */ | |
11672 | if (!wdev->cqm_config) | |
11673 | return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0); | |
11674 | ||
11675 | /* | |
11676 | * Obtain current RSSI value if possible, if not and no RSSI threshold | |
11677 | * event has been received yet, we should receive an event after a | |
11678 | * connection is established and enough beacons received to calculate | |
11679 | * the average. | |
11680 | */ | |
11681 | if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss && | |
11682 | rdev->ops->get_station) { | |
73887fd9 | 11683 | struct station_info sinfo = {}; |
4a4b8169 AZ |
11684 | u8 *mac_addr; |
11685 | ||
11686 | mac_addr = wdev->current_bss->pub.bssid; | |
11687 | ||
73887fd9 JB |
11688 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
11689 | if (err) | |
4a4b8169 AZ |
11690 | return err; |
11691 | ||
df16737d | 11692 | cfg80211_sinfo_release_content(&sinfo); |
397c657a | 11693 | if (sinfo.filled & BIT_ULL(NL80211_STA_INFO_BEACON_SIGNAL_AVG)) |
4a4b8169 | 11694 | wdev->cqm_config->last_rssi_event_value = |
73887fd9 | 11695 | (s8) sinfo.rx_beacon_signal_avg; |
4a4b8169 AZ |
11696 | } |
11697 | ||
11698 | last = wdev->cqm_config->last_rssi_event_value; | |
11699 | hyst = wdev->cqm_config->rssi_hyst; | |
11700 | n = wdev->cqm_config->n_rssi_thresholds; | |
11701 | ||
4b2c5a14 MH |
11702 | for (i = 0; i < n; i++) { |
11703 | i = array_index_nospec(i, n); | |
4a4b8169 AZ |
11704 | if (last < wdev->cqm_config->rssi_thresholds[i]) |
11705 | break; | |
4b2c5a14 | 11706 | } |
4a4b8169 | 11707 | |
1222a160 MH |
11708 | low_index = i - 1; |
11709 | if (low_index >= 0) { | |
11710 | low_index = array_index_nospec(low_index, n); | |
11711 | low = wdev->cqm_config->rssi_thresholds[low_index] - hyst; | |
11712 | } else { | |
11713 | low = S32_MIN; | |
11714 | } | |
11715 | if (i < n) { | |
11716 | i = array_index_nospec(i, n); | |
11717 | high = wdev->cqm_config->rssi_thresholds[i] + hyst - 1; | |
11718 | } else { | |
11719 | high = S32_MAX; | |
11720 | } | |
4a4b8169 AZ |
11721 | |
11722 | return rdev_set_cqm_rssi_range_config(rdev, dev, low, high); | |
11723 | } | |
11724 | ||
d6dc1a38 | 11725 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
4a4b8169 AZ |
11726 | const s32 *thresholds, int n_thresholds, |
11727 | u32 hysteresis) | |
d6dc1a38 | 11728 | { |
4c476991 | 11729 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 11730 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 11731 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
4a4b8169 AZ |
11732 | int i, err; |
11733 | s32 prev = S32_MIN; | |
d6dc1a38 | 11734 | |
4a4b8169 AZ |
11735 | /* Check all values negative and sorted */ |
11736 | for (i = 0; i < n_thresholds; i++) { | |
11737 | if (thresholds[i] > 0 || thresholds[i] <= prev) | |
11738 | return -EINVAL; | |
d6dc1a38 | 11739 | |
4a4b8169 AZ |
11740 | prev = thresholds[i]; |
11741 | } | |
d6dc1a38 | 11742 | |
074ac8df | 11743 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
11744 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
11745 | return -EOPNOTSUPP; | |
d6dc1a38 | 11746 | |
4a4b8169 AZ |
11747 | wdev_lock(wdev); |
11748 | cfg80211_cqm_config_free(wdev); | |
11749 | wdev_unlock(wdev); | |
11750 | ||
11751 | if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) { | |
11752 | if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */ | |
11753 | return rdev_set_cqm_rssi_config(rdev, dev, 0, 0); | |
11754 | ||
11755 | return rdev_set_cqm_rssi_config(rdev, dev, | |
11756 | thresholds[0], hysteresis); | |
11757 | } | |
11758 | ||
11759 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
11760 | NL80211_EXT_FEATURE_CQM_RSSI_LIST)) | |
11761 | return -EOPNOTSUPP; | |
11762 | ||
11763 | if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */ | |
11764 | n_thresholds = 0; | |
11765 | ||
11766 | wdev_lock(wdev); | |
11767 | if (n_thresholds) { | |
11768 | struct cfg80211_cqm_config *cqm_config; | |
11769 | ||
11770 | cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) + | |
11771 | n_thresholds * sizeof(s32), GFP_KERNEL); | |
11772 | if (!cqm_config) { | |
11773 | err = -ENOMEM; | |
11774 | goto unlock; | |
11775 | } | |
11776 | ||
11777 | cqm_config->rssi_hyst = hysteresis; | |
11778 | cqm_config->n_rssi_thresholds = n_thresholds; | |
11779 | memcpy(cqm_config->rssi_thresholds, thresholds, | |
11780 | n_thresholds * sizeof(s32)); | |
11781 | ||
11782 | wdev->cqm_config = cqm_config; | |
11783 | } | |
11784 | ||
11785 | err = cfg80211_cqm_rssi_update(rdev, dev); | |
11786 | ||
11787 | unlock: | |
11788 | wdev_unlock(wdev); | |
11789 | ||
11790 | return err; | |
d6dc1a38 JO |
11791 | } |
11792 | ||
11793 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
11794 | { | |
11795 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
11796 | struct nlattr *cqm; | |
11797 | int err; | |
11798 | ||
11799 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
1da5fcc8 JB |
11800 | if (!cqm) |
11801 | return -EINVAL; | |
d6dc1a38 | 11802 | |
8cb08174 JB |
11803 | err = nla_parse_nested_deprecated(attrs, NL80211_ATTR_CQM_MAX, cqm, |
11804 | nl80211_attr_cqm_policy, | |
11805 | info->extack); | |
d6dc1a38 | 11806 | if (err) |
1da5fcc8 | 11807 | return err; |
d6dc1a38 JO |
11808 | |
11809 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
11810 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
4a4b8169 AZ |
11811 | const s32 *thresholds = |
11812 | nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); | |
11813 | int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); | |
1da5fcc8 | 11814 | u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); |
d6dc1a38 | 11815 | |
4a4b8169 AZ |
11816 | if (len % 4) |
11817 | return -EINVAL; | |
11818 | ||
11819 | return nl80211_set_cqm_rssi(info, thresholds, len / 4, | |
11820 | hysteresis); | |
1da5fcc8 JB |
11821 | } |
11822 | ||
11823 | if (attrs[NL80211_ATTR_CQM_TXE_RATE] && | |
11824 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
11825 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
11826 | u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
11827 | u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
11828 | u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
11829 | ||
11830 | return nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
11831 | } | |
11832 | ||
11833 | return -EINVAL; | |
d6dc1a38 JO |
11834 | } |
11835 | ||
6e0bd6c3 RL |
11836 | static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info) |
11837 | { | |
11838 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11839 | struct net_device *dev = info->user_ptr[1]; | |
11840 | struct ocb_setup setup = {}; | |
11841 | int err; | |
11842 | ||
11843 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); | |
11844 | if (err) | |
11845 | return err; | |
11846 | ||
11847 | return cfg80211_join_ocb(rdev, dev, &setup); | |
11848 | } | |
11849 | ||
11850 | static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info) | |
11851 | { | |
11852 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11853 | struct net_device *dev = info->user_ptr[1]; | |
11854 | ||
11855 | return cfg80211_leave_ocb(rdev, dev); | |
11856 | } | |
11857 | ||
29cbe68c JB |
11858 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
11859 | { | |
11860 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11861 | struct net_device *dev = info->user_ptr[1]; | |
11862 | struct mesh_config cfg; | |
c80d545d | 11863 | struct mesh_setup setup; |
29cbe68c JB |
11864 | int err; |
11865 | ||
11866 | /* start with default */ | |
11867 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 11868 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 11869 | |
24bdd9f4 | 11870 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 11871 | /* and parse parameters if given */ |
24bdd9f4 | 11872 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
11873 | if (err) |
11874 | return err; | |
11875 | } | |
11876 | ||
11877 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
11878 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
11879 | return -EINVAL; | |
11880 | ||
c80d545d JC |
11881 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
11882 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
11883 | ||
4bb62344 CYY |
11884 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
11885 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
11886 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
11887 | return -EINVAL; | |
11888 | ||
9bdbf04d MP |
11889 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
11890 | setup.beacon_interval = | |
11891 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
12d20fc9 | 11892 | |
0c317a02 PK |
11893 | err = cfg80211_validate_beacon_int(rdev, |
11894 | NL80211_IFTYPE_MESH_POINT, | |
11895 | setup.beacon_interval); | |
12d20fc9 PK |
11896 | if (err) |
11897 | return err; | |
9bdbf04d MP |
11898 | } |
11899 | ||
11900 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
11901 | setup.dtim_period = | |
11902 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
11903 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
11904 | return -EINVAL; | |
11905 | } | |
11906 | ||
c80d545d JC |
11907 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
11908 | /* parse additional setup parameters if given */ | |
11909 | err = nl80211_parse_mesh_setup(info, &setup); | |
11910 | if (err) | |
11911 | return err; | |
11912 | } | |
11913 | ||
d37bb18a TP |
11914 | if (setup.user_mpm) |
11915 | cfg.auto_open_plinks = false; | |
11916 | ||
cc1d2806 | 11917 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
11918 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
11919 | if (err) | |
11920 | return err; | |
cc1d2806 | 11921 | } else { |
188c1b3c | 11922 | /* __cfg80211_join_mesh() will sort it out */ |
683b6d3b | 11923 | setup.chandef.chan = NULL; |
cc1d2806 JB |
11924 | } |
11925 | ||
ffb3cf30 AN |
11926 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
11927 | u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
11928 | int n_rates = | |
11929 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
11930 | struct ieee80211_supported_band *sband; | |
11931 | ||
11932 | if (!setup.chandef.chan) | |
11933 | return -EINVAL; | |
11934 | ||
11935 | sband = rdev->wiphy.bands[setup.chandef.chan->band]; | |
11936 | ||
11937 | err = ieee80211_get_ratemask(sband, rates, n_rates, | |
11938 | &setup.basic_rates); | |
11939 | if (err) | |
11940 | return err; | |
11941 | } | |
11942 | ||
8564e382 | 11943 | if (info->attrs[NL80211_ATTR_TX_RATES]) { |
9a5f6488 TC |
11944 | err = nl80211_parse_tx_bitrate_mask(info, info->attrs, |
11945 | NL80211_ATTR_TX_RATES, | |
eb89a6a6 | 11946 | &setup.beacon_rate, |
857b34c4 | 11947 | dev, false); |
8564e382 JB |
11948 | if (err) |
11949 | return err; | |
11950 | ||
265698d7 JB |
11951 | if (!setup.chandef.chan) |
11952 | return -EINVAL; | |
11953 | ||
8564e382 JB |
11954 | err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band, |
11955 | &setup.beacon_rate); | |
11956 | if (err) | |
11957 | return err; | |
11958 | } | |
11959 | ||
d37d49c2 BB |
11960 | setup.userspace_handles_dfs = |
11961 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
11962 | ||
1224f583 DK |
11963 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) { |
11964 | int r = validate_pae_over_nl80211(rdev, info); | |
11965 | ||
11966 | if (r < 0) | |
11967 | return r; | |
11968 | ||
11969 | setup.control_port_over_nl80211 = true; | |
11970 | } | |
11971 | ||
188c1b3c DK |
11972 | wdev_lock(dev->ieee80211_ptr); |
11973 | err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg); | |
11974 | if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) | |
11975 | dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid; | |
11976 | wdev_unlock(dev->ieee80211_ptr); | |
11977 | ||
11978 | return err; | |
29cbe68c JB |
11979 | } |
11980 | ||
11981 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
11982 | { | |
11983 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11984 | struct net_device *dev = info->user_ptr[1]; | |
11985 | ||
11986 | return cfg80211_leave_mesh(rdev, dev); | |
11987 | } | |
11988 | ||
dfb89c56 | 11989 | #ifdef CONFIG_PM |
bb92d199 AK |
11990 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
11991 | struct cfg80211_registered_device *rdev) | |
11992 | { | |
6abb9cb9 | 11993 | struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config; |
bb92d199 AK |
11994 | struct nlattr *nl_pats, *nl_pat; |
11995 | int i, pat_len; | |
11996 | ||
6abb9cb9 | 11997 | if (!wowlan->n_patterns) |
bb92d199 AK |
11998 | return 0; |
11999 | ||
ae0be8de | 12000 | nl_pats = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); |
bb92d199 AK |
12001 | if (!nl_pats) |
12002 | return -ENOBUFS; | |
12003 | ||
6abb9cb9 | 12004 | for (i = 0; i < wowlan->n_patterns; i++) { |
ae0be8de | 12005 | nl_pat = nla_nest_start_noflag(msg, i + 1); |
bb92d199 AK |
12006 | if (!nl_pat) |
12007 | return -ENOBUFS; | |
6abb9cb9 | 12008 | pat_len = wowlan->patterns[i].pattern_len; |
50ac6607 | 12009 | if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8), |
6abb9cb9 | 12010 | wowlan->patterns[i].mask) || |
50ac6607 AK |
12011 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, |
12012 | wowlan->patterns[i].pattern) || | |
12013 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
6abb9cb9 | 12014 | wowlan->patterns[i].pkt_offset)) |
bb92d199 AK |
12015 | return -ENOBUFS; |
12016 | nla_nest_end(msg, nl_pat); | |
12017 | } | |
12018 | nla_nest_end(msg, nl_pats); | |
12019 | ||
12020 | return 0; | |
12021 | } | |
12022 | ||
2a0e047e JB |
12023 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
12024 | struct cfg80211_wowlan_tcp *tcp) | |
12025 | { | |
12026 | struct nlattr *nl_tcp; | |
12027 | ||
12028 | if (!tcp) | |
12029 | return 0; | |
12030 | ||
ae0be8de MK |
12031 | nl_tcp = nla_nest_start_noflag(msg, |
12032 | NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
2a0e047e JB |
12033 | if (!nl_tcp) |
12034 | return -ENOBUFS; | |
12035 | ||
930345ea JB |
12036 | if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || |
12037 | nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
2a0e047e JB |
12038 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || |
12039 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
12040 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
12041 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
12042 | tcp->payload_len, tcp->payload) || | |
12043 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
12044 | tcp->data_interval) || | |
12045 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
12046 | tcp->wake_len, tcp->wake_data) || | |
12047 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
12048 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
12049 | return -ENOBUFS; | |
12050 | ||
12051 | if (tcp->payload_seq.len && | |
12052 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
12053 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
12054 | return -ENOBUFS; | |
12055 | ||
12056 | if (tcp->payload_tok.len && | |
12057 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
12058 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
12059 | &tcp->payload_tok)) | |
12060 | return -ENOBUFS; | |
12061 | ||
e248ad30 JB |
12062 | nla_nest_end(msg, nl_tcp); |
12063 | ||
2a0e047e JB |
12064 | return 0; |
12065 | } | |
12066 | ||
75453ccb LC |
12067 | static int nl80211_send_wowlan_nd(struct sk_buff *msg, |
12068 | struct cfg80211_sched_scan_request *req) | |
12069 | { | |
3b06d277 | 12070 | struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan; |
75453ccb LC |
12071 | int i; |
12072 | ||
12073 | if (!req) | |
12074 | return 0; | |
12075 | ||
ae0be8de | 12076 | nd = nla_nest_start_noflag(msg, NL80211_WOWLAN_TRIG_NET_DETECT); |
75453ccb LC |
12077 | if (!nd) |
12078 | return -ENOBUFS; | |
12079 | ||
3b06d277 AS |
12080 | if (req->n_scan_plans == 1 && |
12081 | nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, | |
12082 | req->scan_plans[0].interval * 1000)) | |
75453ccb LC |
12083 | return -ENOBUFS; |
12084 | ||
21fea567 LC |
12085 | if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay)) |
12086 | return -ENOBUFS; | |
12087 | ||
bf95ecdb | 12088 | if (req->relative_rssi_set) { |
12089 | struct nl80211_bss_select_rssi_adjust rssi_adjust; | |
12090 | ||
12091 | if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI, | |
12092 | req->relative_rssi)) | |
12093 | return -ENOBUFS; | |
12094 | ||
12095 | rssi_adjust.band = req->rssi_adjust.band; | |
12096 | rssi_adjust.delta = req->rssi_adjust.delta; | |
12097 | if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST, | |
12098 | sizeof(rssi_adjust), &rssi_adjust)) | |
12099 | return -ENOBUFS; | |
12100 | } | |
12101 | ||
ae0be8de | 12102 | freqs = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_FREQUENCIES); |
75453ccb LC |
12103 | if (!freqs) |
12104 | return -ENOBUFS; | |
12105 | ||
53b18980 JB |
12106 | for (i = 0; i < req->n_channels; i++) { |
12107 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
12108 | return -ENOBUFS; | |
12109 | } | |
75453ccb LC |
12110 | |
12111 | nla_nest_end(msg, freqs); | |
12112 | ||
12113 | if (req->n_match_sets) { | |
ae0be8de MK |
12114 | matches = nla_nest_start_noflag(msg, |
12115 | NL80211_ATTR_SCHED_SCAN_MATCH); | |
76e1fb4b JB |
12116 | if (!matches) |
12117 | return -ENOBUFS; | |
12118 | ||
75453ccb | 12119 | for (i = 0; i < req->n_match_sets; i++) { |
ae0be8de | 12120 | match = nla_nest_start_noflag(msg, i); |
76e1fb4b JB |
12121 | if (!match) |
12122 | return -ENOBUFS; | |
12123 | ||
53b18980 JB |
12124 | if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID, |
12125 | req->match_sets[i].ssid.ssid_len, | |
12126 | req->match_sets[i].ssid.ssid)) | |
12127 | return -ENOBUFS; | |
75453ccb LC |
12128 | nla_nest_end(msg, match); |
12129 | } | |
12130 | nla_nest_end(msg, matches); | |
12131 | } | |
12132 | ||
ae0be8de | 12133 | scan_plans = nla_nest_start_noflag(msg, NL80211_ATTR_SCHED_SCAN_PLANS); |
3b06d277 AS |
12134 | if (!scan_plans) |
12135 | return -ENOBUFS; | |
12136 | ||
12137 | for (i = 0; i < req->n_scan_plans; i++) { | |
ae0be8de | 12138 | scan_plan = nla_nest_start_noflag(msg, i + 1); |
76e1fb4b JB |
12139 | if (!scan_plan) |
12140 | return -ENOBUFS; | |
12141 | ||
67626964 | 12142 | if (nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL, |
3b06d277 AS |
12143 | req->scan_plans[i].interval) || |
12144 | (req->scan_plans[i].iterations && | |
12145 | nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS, | |
12146 | req->scan_plans[i].iterations))) | |
12147 | return -ENOBUFS; | |
12148 | nla_nest_end(msg, scan_plan); | |
12149 | } | |
12150 | nla_nest_end(msg, scan_plans); | |
12151 | ||
75453ccb LC |
12152 | nla_nest_end(msg, nd); |
12153 | ||
12154 | return 0; | |
12155 | } | |
12156 | ||
ff1b6e69 JB |
12157 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
12158 | { | |
12159 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12160 | struct sk_buff *msg; | |
12161 | void *hdr; | |
2a0e047e | 12162 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 12163 | |
964dc9e2 | 12164 | if (!rdev->wiphy.wowlan) |
ff1b6e69 JB |
12165 | return -EOPNOTSUPP; |
12166 | ||
6abb9cb9 | 12167 | if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) { |
2a0e047e | 12168 | /* adjust size to have room for all the data */ |
6abb9cb9 JB |
12169 | size += rdev->wiphy.wowlan_config->tcp->tokens_size + |
12170 | rdev->wiphy.wowlan_config->tcp->payload_len + | |
12171 | rdev->wiphy.wowlan_config->tcp->wake_len + | |
12172 | rdev->wiphy.wowlan_config->tcp->wake_len / 8; | |
2a0e047e JB |
12173 | } |
12174 | ||
12175 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
12176 | if (!msg) |
12177 | return -ENOMEM; | |
12178 | ||
15e47304 | 12179 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
12180 | NL80211_CMD_GET_WOWLAN); |
12181 | if (!hdr) | |
12182 | goto nla_put_failure; | |
12183 | ||
6abb9cb9 | 12184 | if (rdev->wiphy.wowlan_config) { |
ff1b6e69 JB |
12185 | struct nlattr *nl_wowlan; |
12186 | ||
ae0be8de MK |
12187 | nl_wowlan = nla_nest_start_noflag(msg, |
12188 | NL80211_ATTR_WOWLAN_TRIGGERS); | |
ff1b6e69 JB |
12189 | if (!nl_wowlan) |
12190 | goto nla_put_failure; | |
12191 | ||
6abb9cb9 | 12192 | if ((rdev->wiphy.wowlan_config->any && |
9360ffd1 | 12193 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
6abb9cb9 | 12194 | (rdev->wiphy.wowlan_config->disconnect && |
9360ffd1 | 12195 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
6abb9cb9 | 12196 | (rdev->wiphy.wowlan_config->magic_pkt && |
9360ffd1 | 12197 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
6abb9cb9 | 12198 | (rdev->wiphy.wowlan_config->gtk_rekey_failure && |
9360ffd1 | 12199 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
6abb9cb9 | 12200 | (rdev->wiphy.wowlan_config->eap_identity_req && |
9360ffd1 | 12201 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
6abb9cb9 | 12202 | (rdev->wiphy.wowlan_config->four_way_handshake && |
9360ffd1 | 12203 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
6abb9cb9 | 12204 | (rdev->wiphy.wowlan_config->rfkill_release && |
9360ffd1 DM |
12205 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
12206 | goto nla_put_failure; | |
2a0e047e | 12207 | |
bb92d199 AK |
12208 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
12209 | goto nla_put_failure; | |
2a0e047e | 12210 | |
6abb9cb9 JB |
12211 | if (nl80211_send_wowlan_tcp(msg, |
12212 | rdev->wiphy.wowlan_config->tcp)) | |
2a0e047e | 12213 | goto nla_put_failure; |
75453ccb LC |
12214 | |
12215 | if (nl80211_send_wowlan_nd( | |
12216 | msg, | |
12217 | rdev->wiphy.wowlan_config->nd_config)) | |
12218 | goto nla_put_failure; | |
2a0e047e | 12219 | |
ff1b6e69 JB |
12220 | nla_nest_end(msg, nl_wowlan); |
12221 | } | |
12222 | ||
12223 | genlmsg_end(msg, hdr); | |
12224 | return genlmsg_reply(msg, info); | |
12225 | ||
12226 | nla_put_failure: | |
12227 | nlmsg_free(msg); | |
12228 | return -ENOBUFS; | |
12229 | } | |
12230 | ||
2a0e047e JB |
12231 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
12232 | struct nlattr *attr, | |
12233 | struct cfg80211_wowlan *trig) | |
12234 | { | |
12235 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
12236 | struct cfg80211_wowlan_tcp *cfg; | |
12237 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
12238 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
12239 | u32 size; | |
12240 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
12241 | int err, port; | |
12242 | ||
964dc9e2 | 12243 | if (!rdev->wiphy.wowlan->tcp) |
2a0e047e JB |
12244 | return -EINVAL; |
12245 | ||
8cb08174 JB |
12246 | err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TCP, attr, |
12247 | nl80211_wowlan_tcp_policy, NULL); | |
2a0e047e JB |
12248 | if (err) |
12249 | return err; | |
12250 | ||
12251 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
12252 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
12253 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
12254 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
12255 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
12256 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
12257 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
12258 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
12259 | return -EINVAL; | |
12260 | ||
12261 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
964dc9e2 | 12262 | if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max) |
2a0e047e JB |
12263 | return -EINVAL; |
12264 | ||
12265 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
964dc9e2 | 12266 | rdev->wiphy.wowlan->tcp->data_interval_max || |
723d568a | 12267 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) |
2a0e047e JB |
12268 | return -EINVAL; |
12269 | ||
12270 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
964dc9e2 | 12271 | if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max) |
2a0e047e JB |
12272 | return -EINVAL; |
12273 | ||
12274 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
12275 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
12276 | return -EINVAL; | |
12277 | ||
12278 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
12279 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
12280 | ||
12281 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
12282 | tokens_size = tokln - sizeof(*tok); | |
12283 | ||
12284 | if (!tok->len || tokens_size % tok->len) | |
12285 | return -EINVAL; | |
964dc9e2 | 12286 | if (!rdev->wiphy.wowlan->tcp->tok) |
2a0e047e | 12287 | return -EINVAL; |
964dc9e2 | 12288 | if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len) |
2a0e047e | 12289 | return -EINVAL; |
964dc9e2 | 12290 | if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len) |
2a0e047e | 12291 | return -EINVAL; |
964dc9e2 | 12292 | if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize) |
2a0e047e JB |
12293 | return -EINVAL; |
12294 | if (tok->offset + tok->len > data_size) | |
12295 | return -EINVAL; | |
12296 | } | |
12297 | ||
12298 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
12299 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
964dc9e2 | 12300 | if (!rdev->wiphy.wowlan->tcp->seq) |
2a0e047e JB |
12301 | return -EINVAL; |
12302 | if (seq->len == 0 || seq->len > 4) | |
12303 | return -EINVAL; | |
12304 | if (seq->len + seq->offset > data_size) | |
12305 | return -EINVAL; | |
12306 | } | |
12307 | ||
12308 | size = sizeof(*cfg); | |
12309 | size += data_size; | |
12310 | size += wake_size + wake_mask_size; | |
12311 | size += tokens_size; | |
12312 | ||
12313 | cfg = kzalloc(size, GFP_KERNEL); | |
12314 | if (!cfg) | |
12315 | return -ENOMEM; | |
67b61f6c JB |
12316 | cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); |
12317 | cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
2a0e047e JB |
12318 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), |
12319 | ETH_ALEN); | |
12320 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
12321 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
12322 | else | |
12323 | port = 0; | |
12324 | #ifdef CONFIG_INET | |
12325 | /* allocate a socket and port for it and use it */ | |
12326 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
12327 | IPPROTO_TCP, &cfg->sock, 1); | |
12328 | if (err) { | |
12329 | kfree(cfg); | |
12330 | return err; | |
12331 | } | |
12332 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
12333 | sock_release(cfg->sock); | |
12334 | kfree(cfg); | |
12335 | return -EADDRINUSE; | |
12336 | } | |
12337 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
12338 | #else | |
12339 | if (!port) { | |
12340 | kfree(cfg); | |
12341 | return -EINVAL; | |
12342 | } | |
12343 | cfg->src_port = port; | |
12344 | #endif | |
12345 | ||
12346 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
12347 | cfg->payload_len = data_size; | |
12348 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
12349 | memcpy((void *)cfg->payload, | |
12350 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
12351 | data_size); | |
12352 | if (seq) | |
12353 | cfg->payload_seq = *seq; | |
12354 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
12355 | cfg->wake_len = wake_size; | |
12356 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
12357 | memcpy((void *)cfg->wake_data, | |
12358 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
12359 | wake_size); | |
12360 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
12361 | data_size + wake_size; | |
12362 | memcpy((void *)cfg->wake_mask, | |
12363 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
12364 | wake_mask_size); | |
12365 | if (tok) { | |
12366 | cfg->tokens_size = tokens_size; | |
12367 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
12368 | } | |
12369 | ||
12370 | trig->tcp = cfg; | |
12371 | ||
12372 | return 0; | |
12373 | } | |
12374 | ||
8cd4d456 LC |
12375 | static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev, |
12376 | const struct wiphy_wowlan_support *wowlan, | |
12377 | struct nlattr *attr, | |
12378 | struct cfg80211_wowlan *trig) | |
12379 | { | |
12380 | struct nlattr **tb; | |
12381 | int err; | |
12382 | ||
6396bb22 | 12383 | tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL); |
8cd4d456 LC |
12384 | if (!tb) |
12385 | return -ENOMEM; | |
12386 | ||
12387 | if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) { | |
12388 | err = -EOPNOTSUPP; | |
12389 | goto out; | |
12390 | } | |
12391 | ||
8cb08174 JB |
12392 | err = nla_parse_nested_deprecated(tb, NL80211_ATTR_MAX, attr, |
12393 | nl80211_policy, NULL); | |
8cd4d456 LC |
12394 | if (err) |
12395 | goto out; | |
12396 | ||
aad1e812 AVS |
12397 | trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb, |
12398 | wowlan->max_nd_match_sets); | |
8cd4d456 LC |
12399 | err = PTR_ERR_OR_ZERO(trig->nd_config); |
12400 | if (err) | |
12401 | trig->nd_config = NULL; | |
12402 | ||
12403 | out: | |
12404 | kfree(tb); | |
12405 | return err; | |
12406 | } | |
12407 | ||
ff1b6e69 JB |
12408 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
12409 | { | |
12410 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12411 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 12412 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 12413 | struct cfg80211_wowlan *ntrig; |
964dc9e2 | 12414 | const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan; |
ff1b6e69 | 12415 | int err, i; |
6abb9cb9 | 12416 | bool prev_enabled = rdev->wiphy.wowlan_config; |
98fc4386 | 12417 | bool regular = false; |
ff1b6e69 | 12418 | |
964dc9e2 | 12419 | if (!wowlan) |
ff1b6e69 JB |
12420 | return -EOPNOTSUPP; |
12421 | ||
ae33bd81 JB |
12422 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
12423 | cfg80211_rdev_free_wowlan(rdev); | |
6abb9cb9 | 12424 | rdev->wiphy.wowlan_config = NULL; |
ae33bd81 JB |
12425 | goto set_wakeup; |
12426 | } | |
ff1b6e69 | 12427 | |
8cb08174 JB |
12428 | err = nla_parse_nested_deprecated(tb, MAX_NL80211_WOWLAN_TRIG, |
12429 | info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS], | |
12430 | nl80211_wowlan_policy, info->extack); | |
ff1b6e69 JB |
12431 | if (err) |
12432 | return err; | |
12433 | ||
12434 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
12435 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
12436 | return -EINVAL; | |
12437 | new_triggers.any = true; | |
12438 | } | |
12439 | ||
12440 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
12441 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
12442 | return -EINVAL; | |
12443 | new_triggers.disconnect = true; | |
98fc4386 | 12444 | regular = true; |
ff1b6e69 JB |
12445 | } |
12446 | ||
12447 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
12448 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
12449 | return -EINVAL; | |
12450 | new_triggers.magic_pkt = true; | |
98fc4386 | 12451 | regular = true; |
ff1b6e69 JB |
12452 | } |
12453 | ||
77dbbb13 JB |
12454 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
12455 | return -EINVAL; | |
12456 | ||
12457 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
12458 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
12459 | return -EINVAL; | |
12460 | new_triggers.gtk_rekey_failure = true; | |
98fc4386 | 12461 | regular = true; |
77dbbb13 JB |
12462 | } |
12463 | ||
12464 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
12465 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
12466 | return -EINVAL; | |
12467 | new_triggers.eap_identity_req = true; | |
98fc4386 | 12468 | regular = true; |
77dbbb13 JB |
12469 | } |
12470 | ||
12471 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
12472 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
12473 | return -EINVAL; | |
12474 | new_triggers.four_way_handshake = true; | |
98fc4386 | 12475 | regular = true; |
77dbbb13 JB |
12476 | } |
12477 | ||
12478 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
12479 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
12480 | return -EINVAL; | |
12481 | new_triggers.rfkill_release = true; | |
98fc4386 | 12482 | regular = true; |
77dbbb13 JB |
12483 | } |
12484 | ||
ff1b6e69 JB |
12485 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
12486 | struct nlattr *pat; | |
12487 | int n_patterns = 0; | |
bb92d199 | 12488 | int rem, pat_len, mask_len, pkt_offset; |
50ac6607 | 12489 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; |
ff1b6e69 | 12490 | |
98fc4386 JB |
12491 | regular = true; |
12492 | ||
ff1b6e69 JB |
12493 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], |
12494 | rem) | |
12495 | n_patterns++; | |
12496 | if (n_patterns > wowlan->n_patterns) | |
12497 | return -EINVAL; | |
12498 | ||
12499 | new_triggers.patterns = kcalloc(n_patterns, | |
12500 | sizeof(new_triggers.patterns[0]), | |
12501 | GFP_KERNEL); | |
12502 | if (!new_triggers.patterns) | |
12503 | return -ENOMEM; | |
12504 | ||
12505 | new_triggers.n_patterns = n_patterns; | |
12506 | i = 0; | |
12507 | ||
12508 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
12509 | rem) { | |
922bd80f JB |
12510 | u8 *mask_pat; |
12511 | ||
8cb08174 JB |
12512 | err = nla_parse_nested_deprecated(pat_tb, |
12513 | MAX_NL80211_PKTPAT, | |
12514 | pat, | |
12515 | nl80211_packet_pattern_policy, | |
12516 | info->extack); | |
95bca62f JB |
12517 | if (err) |
12518 | goto error; | |
12519 | ||
ff1b6e69 | 12520 | err = -EINVAL; |
50ac6607 AK |
12521 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
12522 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
ff1b6e69 | 12523 | goto error; |
50ac6607 | 12524 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); |
ff1b6e69 | 12525 | mask_len = DIV_ROUND_UP(pat_len, 8); |
50ac6607 | 12526 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) |
ff1b6e69 JB |
12527 | goto error; |
12528 | if (pat_len > wowlan->pattern_max_len || | |
12529 | pat_len < wowlan->pattern_min_len) | |
12530 | goto error; | |
12531 | ||
50ac6607 | 12532 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) |
bb92d199 AK |
12533 | pkt_offset = 0; |
12534 | else | |
12535 | pkt_offset = nla_get_u32( | |
50ac6607 | 12536 | pat_tb[NL80211_PKTPAT_OFFSET]); |
bb92d199 AK |
12537 | if (pkt_offset > wowlan->max_pkt_offset) |
12538 | goto error; | |
12539 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
12540 | ||
922bd80f JB |
12541 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
12542 | if (!mask_pat) { | |
ff1b6e69 JB |
12543 | err = -ENOMEM; |
12544 | goto error; | |
12545 | } | |
922bd80f JB |
12546 | new_triggers.patterns[i].mask = mask_pat; |
12547 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
ff1b6e69 | 12548 | mask_len); |
922bd80f JB |
12549 | mask_pat += mask_len; |
12550 | new_triggers.patterns[i].pattern = mask_pat; | |
ff1b6e69 | 12551 | new_triggers.patterns[i].pattern_len = pat_len; |
922bd80f | 12552 | memcpy(mask_pat, |
50ac6607 | 12553 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
ff1b6e69 JB |
12554 | pat_len); |
12555 | i++; | |
12556 | } | |
12557 | } | |
12558 | ||
2a0e047e | 12559 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
98fc4386 | 12560 | regular = true; |
2a0e047e JB |
12561 | err = nl80211_parse_wowlan_tcp( |
12562 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
12563 | &new_triggers); | |
12564 | if (err) | |
12565 | goto error; | |
12566 | } | |
12567 | ||
8cd4d456 | 12568 | if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) { |
98fc4386 | 12569 | regular = true; |
8cd4d456 LC |
12570 | err = nl80211_parse_wowlan_nd( |
12571 | rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT], | |
12572 | &new_triggers); | |
12573 | if (err) | |
12574 | goto error; | |
12575 | } | |
12576 | ||
98fc4386 JB |
12577 | /* The 'any' trigger means the device continues operating more or less |
12578 | * as in its normal operation mode and wakes up the host on most of the | |
12579 | * normal interrupts (like packet RX, ...) | |
12580 | * It therefore makes little sense to combine with the more constrained | |
12581 | * wakeup trigger modes. | |
12582 | */ | |
12583 | if (new_triggers.any && regular) { | |
12584 | err = -EINVAL; | |
12585 | goto error; | |
12586 | } | |
12587 | ||
ae33bd81 JB |
12588 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
12589 | if (!ntrig) { | |
12590 | err = -ENOMEM; | |
12591 | goto error; | |
ff1b6e69 | 12592 | } |
ae33bd81 | 12593 | cfg80211_rdev_free_wowlan(rdev); |
6abb9cb9 | 12594 | rdev->wiphy.wowlan_config = ntrig; |
ff1b6e69 | 12595 | |
ae33bd81 | 12596 | set_wakeup: |
6abb9cb9 JB |
12597 | if (rdev->ops->set_wakeup && |
12598 | prev_enabled != !!rdev->wiphy.wowlan_config) | |
12599 | rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config); | |
6d52563f | 12600 | |
ff1b6e69 JB |
12601 | return 0; |
12602 | error: | |
12603 | for (i = 0; i < new_triggers.n_patterns; i++) | |
12604 | kfree(new_triggers.patterns[i].mask); | |
12605 | kfree(new_triggers.patterns); | |
2a0e047e JB |
12606 | if (new_triggers.tcp && new_triggers.tcp->sock) |
12607 | sock_release(new_triggers.tcp->sock); | |
12608 | kfree(new_triggers.tcp); | |
e5dbe070 | 12609 | kfree(new_triggers.nd_config); |
ff1b6e69 JB |
12610 | return err; |
12611 | } | |
dfb89c56 | 12612 | #endif |
ff1b6e69 | 12613 | |
be29b99a AK |
12614 | static int nl80211_send_coalesce_rules(struct sk_buff *msg, |
12615 | struct cfg80211_registered_device *rdev) | |
12616 | { | |
12617 | struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules; | |
12618 | int i, j, pat_len; | |
12619 | struct cfg80211_coalesce_rules *rule; | |
12620 | ||
12621 | if (!rdev->coalesce->n_rules) | |
12622 | return 0; | |
12623 | ||
ae0be8de | 12624 | nl_rules = nla_nest_start_noflag(msg, NL80211_ATTR_COALESCE_RULE); |
be29b99a AK |
12625 | if (!nl_rules) |
12626 | return -ENOBUFS; | |
12627 | ||
12628 | for (i = 0; i < rdev->coalesce->n_rules; i++) { | |
ae0be8de | 12629 | nl_rule = nla_nest_start_noflag(msg, i + 1); |
be29b99a AK |
12630 | if (!nl_rule) |
12631 | return -ENOBUFS; | |
12632 | ||
12633 | rule = &rdev->coalesce->rules[i]; | |
12634 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY, | |
12635 | rule->delay)) | |
12636 | return -ENOBUFS; | |
12637 | ||
12638 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION, | |
12639 | rule->condition)) | |
12640 | return -ENOBUFS; | |
12641 | ||
ae0be8de MK |
12642 | nl_pats = nla_nest_start_noflag(msg, |
12643 | NL80211_ATTR_COALESCE_RULE_PKT_PATTERN); | |
be29b99a AK |
12644 | if (!nl_pats) |
12645 | return -ENOBUFS; | |
12646 | ||
12647 | for (j = 0; j < rule->n_patterns; j++) { | |
ae0be8de | 12648 | nl_pat = nla_nest_start_noflag(msg, j + 1); |
be29b99a AK |
12649 | if (!nl_pat) |
12650 | return -ENOBUFS; | |
12651 | pat_len = rule->patterns[j].pattern_len; | |
12652 | if (nla_put(msg, NL80211_PKTPAT_MASK, | |
12653 | DIV_ROUND_UP(pat_len, 8), | |
12654 | rule->patterns[j].mask) || | |
12655 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, | |
12656 | rule->patterns[j].pattern) || | |
12657 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
12658 | rule->patterns[j].pkt_offset)) | |
12659 | return -ENOBUFS; | |
12660 | nla_nest_end(msg, nl_pat); | |
12661 | } | |
12662 | nla_nest_end(msg, nl_pats); | |
12663 | nla_nest_end(msg, nl_rule); | |
12664 | } | |
12665 | nla_nest_end(msg, nl_rules); | |
12666 | ||
12667 | return 0; | |
12668 | } | |
12669 | ||
12670 | static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info) | |
12671 | { | |
12672 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12673 | struct sk_buff *msg; | |
12674 | void *hdr; | |
12675 | ||
12676 | if (!rdev->wiphy.coalesce) | |
12677 | return -EOPNOTSUPP; | |
12678 | ||
12679 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
12680 | if (!msg) | |
12681 | return -ENOMEM; | |
12682 | ||
12683 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
12684 | NL80211_CMD_GET_COALESCE); | |
12685 | if (!hdr) | |
12686 | goto nla_put_failure; | |
12687 | ||
12688 | if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev)) | |
12689 | goto nla_put_failure; | |
12690 | ||
12691 | genlmsg_end(msg, hdr); | |
12692 | return genlmsg_reply(msg, info); | |
12693 | ||
12694 | nla_put_failure: | |
12695 | nlmsg_free(msg); | |
12696 | return -ENOBUFS; | |
12697 | } | |
12698 | ||
12699 | void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev) | |
12700 | { | |
12701 | struct cfg80211_coalesce *coalesce = rdev->coalesce; | |
12702 | int i, j; | |
12703 | struct cfg80211_coalesce_rules *rule; | |
12704 | ||
12705 | if (!coalesce) | |
12706 | return; | |
12707 | ||
12708 | for (i = 0; i < coalesce->n_rules; i++) { | |
12709 | rule = &coalesce->rules[i]; | |
12710 | for (j = 0; j < rule->n_patterns; j++) | |
12711 | kfree(rule->patterns[j].mask); | |
12712 | kfree(rule->patterns); | |
12713 | } | |
12714 | kfree(coalesce->rules); | |
12715 | kfree(coalesce); | |
12716 | rdev->coalesce = NULL; | |
12717 | } | |
12718 | ||
12719 | static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, | |
12720 | struct nlattr *rule, | |
12721 | struct cfg80211_coalesce_rules *new_rule) | |
12722 | { | |
12723 | int err, i; | |
12724 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
12725 | struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat; | |
12726 | int rem, pat_len, mask_len, pkt_offset, n_patterns = 0; | |
12727 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; | |
12728 | ||
8cb08174 JB |
12729 | err = nla_parse_nested_deprecated(tb, NL80211_ATTR_COALESCE_RULE_MAX, |
12730 | rule, nl80211_coalesce_policy, NULL); | |
be29b99a AK |
12731 | if (err) |
12732 | return err; | |
12733 | ||
12734 | if (tb[NL80211_ATTR_COALESCE_RULE_DELAY]) | |
12735 | new_rule->delay = | |
12736 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]); | |
12737 | if (new_rule->delay > coalesce->max_delay) | |
12738 | return -EINVAL; | |
12739 | ||
12740 | if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION]) | |
12741 | new_rule->condition = | |
12742 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]); | |
be29b99a AK |
12743 | |
12744 | if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN]) | |
12745 | return -EINVAL; | |
12746 | ||
12747 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
12748 | rem) | |
12749 | n_patterns++; | |
12750 | if (n_patterns > coalesce->n_patterns) | |
12751 | return -EINVAL; | |
12752 | ||
12753 | new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]), | |
12754 | GFP_KERNEL); | |
12755 | if (!new_rule->patterns) | |
12756 | return -ENOMEM; | |
12757 | ||
12758 | new_rule->n_patterns = n_patterns; | |
12759 | i = 0; | |
12760 | ||
12761 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
12762 | rem) { | |
922bd80f JB |
12763 | u8 *mask_pat; |
12764 | ||
8cb08174 JB |
12765 | err = nla_parse_nested_deprecated(pat_tb, MAX_NL80211_PKTPAT, |
12766 | pat, | |
12767 | nl80211_packet_pattern_policy, | |
12768 | NULL); | |
95bca62f JB |
12769 | if (err) |
12770 | return err; | |
12771 | ||
be29b99a AK |
12772 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
12773 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
12774 | return -EINVAL; | |
12775 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); | |
12776 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
12777 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) | |
12778 | return -EINVAL; | |
12779 | if (pat_len > coalesce->pattern_max_len || | |
12780 | pat_len < coalesce->pattern_min_len) | |
12781 | return -EINVAL; | |
12782 | ||
12783 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) | |
12784 | pkt_offset = 0; | |
12785 | else | |
12786 | pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); | |
12787 | if (pkt_offset > coalesce->max_pkt_offset) | |
12788 | return -EINVAL; | |
12789 | new_rule->patterns[i].pkt_offset = pkt_offset; | |
12790 | ||
922bd80f JB |
12791 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
12792 | if (!mask_pat) | |
be29b99a | 12793 | return -ENOMEM; |
922bd80f JB |
12794 | |
12795 | new_rule->patterns[i].mask = mask_pat; | |
12796 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
12797 | mask_len); | |
12798 | ||
12799 | mask_pat += mask_len; | |
12800 | new_rule->patterns[i].pattern = mask_pat; | |
be29b99a | 12801 | new_rule->patterns[i].pattern_len = pat_len; |
922bd80f JB |
12802 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
12803 | pat_len); | |
be29b99a AK |
12804 | i++; |
12805 | } | |
12806 | ||
12807 | return 0; | |
12808 | } | |
12809 | ||
12810 | static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info) | |
12811 | { | |
12812 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12813 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
12814 | struct cfg80211_coalesce new_coalesce = {}; | |
12815 | struct cfg80211_coalesce *n_coalesce; | |
12816 | int err, rem_rule, n_rules = 0, i, j; | |
12817 | struct nlattr *rule; | |
12818 | struct cfg80211_coalesce_rules *tmp_rule; | |
12819 | ||
12820 | if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce) | |
12821 | return -EOPNOTSUPP; | |
12822 | ||
12823 | if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) { | |
12824 | cfg80211_rdev_free_coalesce(rdev); | |
a1056b1b | 12825 | rdev_set_coalesce(rdev, NULL); |
be29b99a AK |
12826 | return 0; |
12827 | } | |
12828 | ||
12829 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
12830 | rem_rule) | |
12831 | n_rules++; | |
12832 | if (n_rules > coalesce->n_rules) | |
12833 | return -EINVAL; | |
12834 | ||
12835 | new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]), | |
12836 | GFP_KERNEL); | |
12837 | if (!new_coalesce.rules) | |
12838 | return -ENOMEM; | |
12839 | ||
12840 | new_coalesce.n_rules = n_rules; | |
12841 | i = 0; | |
12842 | ||
12843 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
12844 | rem_rule) { | |
12845 | err = nl80211_parse_coalesce_rule(rdev, rule, | |
12846 | &new_coalesce.rules[i]); | |
12847 | if (err) | |
12848 | goto error; | |
12849 | ||
12850 | i++; | |
12851 | } | |
12852 | ||
a1056b1b | 12853 | err = rdev_set_coalesce(rdev, &new_coalesce); |
be29b99a AK |
12854 | if (err) |
12855 | goto error; | |
12856 | ||
12857 | n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL); | |
12858 | if (!n_coalesce) { | |
12859 | err = -ENOMEM; | |
12860 | goto error; | |
12861 | } | |
12862 | cfg80211_rdev_free_coalesce(rdev); | |
12863 | rdev->coalesce = n_coalesce; | |
12864 | ||
12865 | return 0; | |
12866 | error: | |
12867 | for (i = 0; i < new_coalesce.n_rules; i++) { | |
12868 | tmp_rule = &new_coalesce.rules[i]; | |
12869 | for (j = 0; j < tmp_rule->n_patterns; j++) | |
12870 | kfree(tmp_rule->patterns[j].mask); | |
12871 | kfree(tmp_rule->patterns); | |
12872 | } | |
12873 | kfree(new_coalesce.rules); | |
12874 | ||
12875 | return err; | |
12876 | } | |
12877 | ||
e5497d76 JB |
12878 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
12879 | { | |
12880 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12881 | struct net_device *dev = info->user_ptr[1]; | |
12882 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12883 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
f495acd8 | 12884 | struct cfg80211_gtk_rekey_data rekey_data = {}; |
e5497d76 JB |
12885 | int err; |
12886 | ||
12887 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
12888 | return -EINVAL; | |
12889 | ||
8cb08174 JB |
12890 | err = nla_parse_nested_deprecated(tb, MAX_NL80211_REKEY_DATA, |
12891 | info->attrs[NL80211_ATTR_REKEY_DATA], | |
12892 | nl80211_rekey_policy, info->extack); | |
e5497d76 JB |
12893 | if (err) |
12894 | return err; | |
12895 | ||
e785fa0a VD |
12896 | if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] || |
12897 | !tb[NL80211_REKEY_DATA_KCK]) | |
12898 | return -EINVAL; | |
093a48d2 NE |
12899 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN && |
12900 | !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK && | |
12901 | nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KEK_EXT_LEN)) | |
e5497d76 | 12902 | return -ERANGE; |
093a48d2 NE |
12903 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN && |
12904 | !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_EXT_KEK_KCK && | |
12905 | nla_len(tb[NL80211_REKEY_DATA_KEK]) == NL80211_KCK_EXT_LEN)) | |
e5497d76 JB |
12906 | return -ERANGE; |
12907 | ||
78f686ca JB |
12908 | rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]); |
12909 | rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]); | |
12910 | rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]); | |
093a48d2 NE |
12911 | rekey_data.kek_len = nla_len(tb[NL80211_REKEY_DATA_KEK]); |
12912 | rekey_data.kck_len = nla_len(tb[NL80211_REKEY_DATA_KCK]); | |
12913 | if (tb[NL80211_REKEY_DATA_AKM]) | |
12914 | rekey_data.akm = nla_get_u32(tb[NL80211_REKEY_DATA_AKM]); | |
e5497d76 JB |
12915 | |
12916 | wdev_lock(wdev); | |
12917 | if (!wdev->current_bss) { | |
12918 | err = -ENOTCONN; | |
12919 | goto out; | |
12920 | } | |
12921 | ||
12922 | if (!rdev->ops->set_rekey_data) { | |
12923 | err = -EOPNOTSUPP; | |
12924 | goto out; | |
12925 | } | |
12926 | ||
e35e4d28 | 12927 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
12928 | out: |
12929 | wdev_unlock(wdev); | |
12930 | return err; | |
12931 | } | |
12932 | ||
28946da7 JB |
12933 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
12934 | struct genl_info *info) | |
12935 | { | |
12936 | struct net_device *dev = info->user_ptr[1]; | |
12937 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12938 | ||
12939 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
12940 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
12941 | return -EINVAL; | |
12942 | ||
15e47304 | 12943 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
12944 | return -EBUSY; |
12945 | ||
15e47304 | 12946 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
12947 | return 0; |
12948 | } | |
12949 | ||
7f6cf311 JB |
12950 | static int nl80211_probe_client(struct sk_buff *skb, |
12951 | struct genl_info *info) | |
12952 | { | |
12953 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12954 | struct net_device *dev = info->user_ptr[1]; | |
12955 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12956 | struct sk_buff *msg; | |
12957 | void *hdr; | |
12958 | const u8 *addr; | |
12959 | u64 cookie; | |
12960 | int err; | |
12961 | ||
12962 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
12963 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
12964 | return -EOPNOTSUPP; | |
12965 | ||
12966 | if (!info->attrs[NL80211_ATTR_MAC]) | |
12967 | return -EINVAL; | |
12968 | ||
12969 | if (!rdev->ops->probe_client) | |
12970 | return -EOPNOTSUPP; | |
12971 | ||
12972 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
12973 | if (!msg) | |
12974 | return -ENOMEM; | |
12975 | ||
15e47304 | 12976 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 | 12977 | NL80211_CMD_PROBE_CLIENT); |
cb35fba3 DC |
12978 | if (!hdr) { |
12979 | err = -ENOBUFS; | |
7f6cf311 JB |
12980 | goto free_msg; |
12981 | } | |
12982 | ||
12983 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
12984 | ||
e35e4d28 | 12985 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
12986 | if (err) |
12987 | goto free_msg; | |
12988 | ||
2dad624e ND |
12989 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
12990 | NL80211_ATTR_PAD)) | |
9360ffd1 | 12991 | goto nla_put_failure; |
7f6cf311 JB |
12992 | |
12993 | genlmsg_end(msg, hdr); | |
12994 | ||
12995 | return genlmsg_reply(msg, info); | |
12996 | ||
12997 | nla_put_failure: | |
12998 | err = -ENOBUFS; | |
12999 | free_msg: | |
13000 | nlmsg_free(msg); | |
13001 | return err; | |
13002 | } | |
13003 | ||
5e760230 JB |
13004 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
13005 | { | |
13006 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
13007 | struct cfg80211_beacon_registration *reg, *nreg; |
13008 | int rv; | |
5e760230 JB |
13009 | |
13010 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
13011 | return -EOPNOTSUPP; | |
13012 | ||
37c73b5f BG |
13013 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
13014 | if (!nreg) | |
13015 | return -ENOMEM; | |
13016 | ||
13017 | /* First, check if already registered. */ | |
13018 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
13019 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
13020 | if (reg->nlportid == info->snd_portid) { | |
13021 | rv = -EALREADY; | |
13022 | goto out_err; | |
13023 | } | |
13024 | } | |
13025 | /* Add it to the list */ | |
13026 | nreg->nlportid = info->snd_portid; | |
13027 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 13028 | |
37c73b5f | 13029 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
13030 | |
13031 | return 0; | |
37c73b5f BG |
13032 | out_err: |
13033 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
13034 | kfree(nreg); | |
13035 | return rv; | |
5e760230 JB |
13036 | } |
13037 | ||
98104fde JB |
13038 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
13039 | { | |
13040 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
13041 | struct wireless_dev *wdev = info->user_ptr[1]; | |
13042 | int err; | |
13043 | ||
13044 | if (!rdev->ops->start_p2p_device) | |
13045 | return -EOPNOTSUPP; | |
13046 | ||
13047 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
13048 | return -EOPNOTSUPP; | |
13049 | ||
73c7da3d | 13050 | if (wdev_running(wdev)) |
98104fde JB |
13051 | return 0; |
13052 | ||
358ae888 | 13053 | if (rfkill_blocked(rdev->wiphy.rfkill)) |
b6a55015 | 13054 | return -ERFKILL; |
98104fde | 13055 | |
eeb126e9 | 13056 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
13057 | if (err) |
13058 | return err; | |
13059 | ||
73c7da3d | 13060 | wdev->is_running = true; |
98104fde | 13061 | rdev->opencount++; |
98104fde JB |
13062 | |
13063 | return 0; | |
13064 | } | |
13065 | ||
13066 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
13067 | { | |
13068 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
13069 | struct wireless_dev *wdev = info->user_ptr[1]; | |
13070 | ||
13071 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
13072 | return -EOPNOTSUPP; | |
13073 | ||
13074 | if (!rdev->ops->stop_p2p_device) | |
13075 | return -EOPNOTSUPP; | |
13076 | ||
f9f47529 | 13077 | cfg80211_stop_p2p_device(rdev, wdev); |
98104fde JB |
13078 | |
13079 | return 0; | |
13080 | } | |
13081 | ||
cb3b7d87 AB |
13082 | static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info) |
13083 | { | |
13084 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
13085 | struct wireless_dev *wdev = info->user_ptr[1]; | |
13086 | struct cfg80211_nan_conf conf = {}; | |
13087 | int err; | |
13088 | ||
13089 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
13090 | return -EOPNOTSUPP; | |
13091 | ||
eeb04a96 | 13092 | if (wdev_running(wdev)) |
cb3b7d87 AB |
13093 | return -EEXIST; |
13094 | ||
358ae888 | 13095 | if (rfkill_blocked(rdev->wiphy.rfkill)) |
cb3b7d87 AB |
13096 | return -ERFKILL; |
13097 | ||
13098 | if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) | |
13099 | return -EINVAL; | |
13100 | ||
cb3b7d87 AB |
13101 | conf.master_pref = |
13102 | nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]); | |
cb3b7d87 | 13103 | |
8585989d LC |
13104 | if (info->attrs[NL80211_ATTR_BANDS]) { |
13105 | u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]); | |
13106 | ||
13107 | if (bands & ~(u32)wdev->wiphy->nan_supported_bands) | |
13108 | return -EOPNOTSUPP; | |
13109 | ||
13110 | if (bands && !(bands & BIT(NL80211_BAND_2GHZ))) | |
13111 | return -EINVAL; | |
13112 | ||
13113 | conf.bands = bands; | |
13114 | } | |
cb3b7d87 AB |
13115 | |
13116 | err = rdev_start_nan(rdev, wdev, &conf); | |
13117 | if (err) | |
13118 | return err; | |
13119 | ||
73c7da3d | 13120 | wdev->is_running = true; |
cb3b7d87 AB |
13121 | rdev->opencount++; |
13122 | ||
13123 | return 0; | |
13124 | } | |
13125 | ||
13126 | static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info) | |
13127 | { | |
13128 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
13129 | struct wireless_dev *wdev = info->user_ptr[1]; | |
13130 | ||
13131 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
13132 | return -EOPNOTSUPP; | |
13133 | ||
13134 | cfg80211_stop_nan(rdev, wdev); | |
13135 | ||
13136 | return 0; | |
13137 | } | |
13138 | ||
a442b761 AB |
13139 | static int validate_nan_filter(struct nlattr *filter_attr) |
13140 | { | |
13141 | struct nlattr *attr; | |
13142 | int len = 0, n_entries = 0, rem; | |
13143 | ||
13144 | nla_for_each_nested(attr, filter_attr, rem) { | |
13145 | len += nla_len(attr); | |
13146 | n_entries++; | |
13147 | } | |
13148 | ||
13149 | if (len >= U8_MAX) | |
13150 | return -EINVAL; | |
13151 | ||
13152 | return n_entries; | |
13153 | } | |
13154 | ||
13155 | static int handle_nan_filter(struct nlattr *attr_filter, | |
13156 | struct cfg80211_nan_func *func, | |
13157 | bool tx) | |
13158 | { | |
13159 | struct nlattr *attr; | |
13160 | int n_entries, rem, i; | |
13161 | struct cfg80211_nan_func_filter *filter; | |
13162 | ||
13163 | n_entries = validate_nan_filter(attr_filter); | |
13164 | if (n_entries < 0) | |
13165 | return n_entries; | |
13166 | ||
13167 | BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters)); | |
13168 | ||
13169 | filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL); | |
13170 | if (!filter) | |
13171 | return -ENOMEM; | |
13172 | ||
13173 | i = 0; | |
13174 | nla_for_each_nested(attr, attr_filter, rem) { | |
b15ca182 | 13175 | filter[i].filter = nla_memdup(attr, GFP_KERNEL); |
a442b761 AB |
13176 | filter[i].len = nla_len(attr); |
13177 | i++; | |
13178 | } | |
13179 | if (tx) { | |
13180 | func->num_tx_filters = n_entries; | |
13181 | func->tx_filters = filter; | |
13182 | } else { | |
13183 | func->num_rx_filters = n_entries; | |
13184 | func->rx_filters = filter; | |
13185 | } | |
13186 | ||
13187 | return 0; | |
13188 | } | |
13189 | ||
13190 | static int nl80211_nan_add_func(struct sk_buff *skb, | |
13191 | struct genl_info *info) | |
13192 | { | |
13193 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
13194 | struct wireless_dev *wdev = info->user_ptr[1]; | |
13195 | struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr; | |
13196 | struct cfg80211_nan_func *func; | |
13197 | struct sk_buff *msg = NULL; | |
13198 | void *hdr = NULL; | |
13199 | int err = 0; | |
13200 | ||
13201 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
13202 | return -EOPNOTSUPP; | |
13203 | ||
73c7da3d | 13204 | if (!wdev_running(wdev)) |
a442b761 AB |
13205 | return -ENOTCONN; |
13206 | ||
13207 | if (!info->attrs[NL80211_ATTR_NAN_FUNC]) | |
13208 | return -EINVAL; | |
13209 | ||
8cb08174 JB |
13210 | err = nla_parse_nested_deprecated(tb, NL80211_NAN_FUNC_ATTR_MAX, |
13211 | info->attrs[NL80211_ATTR_NAN_FUNC], | |
13212 | nl80211_nan_func_policy, | |
13213 | info->extack); | |
a442b761 AB |
13214 | if (err) |
13215 | return err; | |
13216 | ||
13217 | func = kzalloc(sizeof(*func), GFP_KERNEL); | |
13218 | if (!func) | |
13219 | return -ENOMEM; | |
13220 | ||
b60ad348 | 13221 | func->cookie = cfg80211_assign_cookie(rdev); |
a442b761 | 13222 | |
cb9abd48 | 13223 | if (!tb[NL80211_NAN_FUNC_TYPE]) { |
a442b761 AB |
13224 | err = -EINVAL; |
13225 | goto out; | |
13226 | } | |
13227 | ||
13228 | ||
13229 | func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]); | |
13230 | ||
13231 | if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) { | |
13232 | err = -EINVAL; | |
13233 | goto out; | |
13234 | } | |
13235 | ||
13236 | memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]), | |
13237 | sizeof(func->service_id)); | |
13238 | ||
13239 | func->close_range = | |
13240 | nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]); | |
13241 | ||
13242 | if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) { | |
13243 | func->serv_spec_info_len = | |
13244 | nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]); | |
13245 | func->serv_spec_info = | |
13246 | kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]), | |
13247 | func->serv_spec_info_len, | |
13248 | GFP_KERNEL); | |
13249 | if (!func->serv_spec_info) { | |
13250 | err = -ENOMEM; | |
13251 | goto out; | |
13252 | } | |
13253 | } | |
13254 | ||
13255 | if (tb[NL80211_NAN_FUNC_TTL]) | |
13256 | func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]); | |
13257 | ||
13258 | switch (func->type) { | |
13259 | case NL80211_NAN_FUNC_PUBLISH: | |
13260 | if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) { | |
13261 | err = -EINVAL; | |
13262 | goto out; | |
13263 | } | |
13264 | ||
13265 | func->publish_type = | |
13266 | nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]); | |
13267 | func->publish_bcast = | |
13268 | nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]); | |
13269 | ||
13270 | if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) && | |
13271 | func->publish_bcast) { | |
13272 | err = -EINVAL; | |
13273 | goto out; | |
13274 | } | |
13275 | break; | |
13276 | case NL80211_NAN_FUNC_SUBSCRIBE: | |
13277 | func->subscribe_active = | |
13278 | nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]); | |
13279 | break; | |
13280 | case NL80211_NAN_FUNC_FOLLOW_UP: | |
13281 | if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] || | |
3ea15452 HC |
13282 | !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] || |
13283 | !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) { | |
a442b761 AB |
13284 | err = -EINVAL; |
13285 | goto out; | |
13286 | } | |
13287 | ||
13288 | func->followup_id = | |
13289 | nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]); | |
13290 | func->followup_reqid = | |
13291 | nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]); | |
13292 | memcpy(func->followup_dest.addr, | |
13293 | nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]), | |
13294 | sizeof(func->followup_dest.addr)); | |
13295 | if (func->ttl) { | |
13296 | err = -EINVAL; | |
13297 | goto out; | |
13298 | } | |
13299 | break; | |
13300 | default: | |
13301 | err = -EINVAL; | |
13302 | goto out; | |
13303 | } | |
13304 | ||
13305 | if (tb[NL80211_NAN_FUNC_SRF]) { | |
13306 | struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR]; | |
13307 | ||
8cb08174 JB |
13308 | err = nla_parse_nested_deprecated(srf_tb, |
13309 | NL80211_NAN_SRF_ATTR_MAX, | |
13310 | tb[NL80211_NAN_FUNC_SRF], | |
13311 | nl80211_nan_srf_policy, | |
13312 | info->extack); | |
a442b761 AB |
13313 | if (err) |
13314 | goto out; | |
13315 | ||
13316 | func->srf_include = | |
13317 | nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]); | |
13318 | ||
13319 | if (srf_tb[NL80211_NAN_SRF_BF]) { | |
13320 | if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] || | |
13321 | !srf_tb[NL80211_NAN_SRF_BF_IDX]) { | |
13322 | err = -EINVAL; | |
13323 | goto out; | |
13324 | } | |
13325 | ||
13326 | func->srf_bf_len = | |
13327 | nla_len(srf_tb[NL80211_NAN_SRF_BF]); | |
13328 | func->srf_bf = | |
13329 | kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]), | |
13330 | func->srf_bf_len, GFP_KERNEL); | |
13331 | if (!func->srf_bf) { | |
13332 | err = -ENOMEM; | |
13333 | goto out; | |
13334 | } | |
13335 | ||
13336 | func->srf_bf_idx = | |
13337 | nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]); | |
13338 | } else { | |
13339 | struct nlattr *attr, *mac_attr = | |
13340 | srf_tb[NL80211_NAN_SRF_MAC_ADDRS]; | |
13341 | int n_entries, rem, i = 0; | |
13342 | ||
13343 | if (!mac_attr) { | |
13344 | err = -EINVAL; | |
13345 | goto out; | |
13346 | } | |
13347 | ||
13348 | n_entries = validate_acl_mac_addrs(mac_attr); | |
13349 | if (n_entries <= 0) { | |
13350 | err = -EINVAL; | |
13351 | goto out; | |
13352 | } | |
13353 | ||
13354 | func->srf_num_macs = n_entries; | |
13355 | func->srf_macs = | |
6396bb22 | 13356 | kcalloc(n_entries, sizeof(*func->srf_macs), |
a442b761 AB |
13357 | GFP_KERNEL); |
13358 | if (!func->srf_macs) { | |
13359 | err = -ENOMEM; | |
13360 | goto out; | |
13361 | } | |
13362 | ||
13363 | nla_for_each_nested(attr, mac_attr, rem) | |
13364 | memcpy(func->srf_macs[i++].addr, nla_data(attr), | |
13365 | sizeof(*func->srf_macs)); | |
13366 | } | |
13367 | } | |
13368 | ||
13369 | if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) { | |
13370 | err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER], | |
13371 | func, true); | |
13372 | if (err) | |
13373 | goto out; | |
13374 | } | |
13375 | ||
13376 | if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) { | |
13377 | err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER], | |
13378 | func, false); | |
13379 | if (err) | |
13380 | goto out; | |
13381 | } | |
13382 | ||
13383 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
13384 | if (!msg) { | |
13385 | err = -ENOMEM; | |
13386 | goto out; | |
13387 | } | |
13388 | ||
13389 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
13390 | NL80211_CMD_ADD_NAN_FUNCTION); | |
13391 | /* This can't really happen - we just allocated 4KB */ | |
13392 | if (WARN_ON(!hdr)) { | |
13393 | err = -ENOMEM; | |
13394 | goto out; | |
13395 | } | |
13396 | ||
13397 | err = rdev_add_nan_func(rdev, wdev, func); | |
13398 | out: | |
13399 | if (err < 0) { | |
13400 | cfg80211_free_nan_func(func); | |
13401 | nlmsg_free(msg); | |
13402 | return err; | |
13403 | } | |
13404 | ||
13405 | /* propagate the instance id and cookie to userspace */ | |
13406 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie, | |
13407 | NL80211_ATTR_PAD)) | |
13408 | goto nla_put_failure; | |
13409 | ||
ae0be8de | 13410 | func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC); |
a442b761 AB |
13411 | if (!func_attr) |
13412 | goto nla_put_failure; | |
13413 | ||
13414 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, | |
13415 | func->instance_id)) | |
13416 | goto nla_put_failure; | |
13417 | ||
13418 | nla_nest_end(msg, func_attr); | |
13419 | ||
13420 | genlmsg_end(msg, hdr); | |
13421 | return genlmsg_reply(msg, info); | |
13422 | ||
13423 | nla_put_failure: | |
13424 | nlmsg_free(msg); | |
13425 | return -ENOBUFS; | |
13426 | } | |
13427 | ||
13428 | static int nl80211_nan_del_func(struct sk_buff *skb, | |
13429 | struct genl_info *info) | |
13430 | { | |
13431 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
13432 | struct wireless_dev *wdev = info->user_ptr[1]; | |
13433 | u64 cookie; | |
13434 | ||
13435 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
13436 | return -EOPNOTSUPP; | |
13437 | ||
73c7da3d | 13438 | if (!wdev_running(wdev)) |
a442b761 AB |
13439 | return -ENOTCONN; |
13440 | ||
13441 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
13442 | return -EINVAL; | |
13443 | ||
a442b761 AB |
13444 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
13445 | ||
13446 | rdev_del_nan_func(rdev, wdev, cookie); | |
13447 | ||
13448 | return 0; | |
13449 | } | |
13450 | ||
a5a9dcf2 AB |
13451 | static int nl80211_nan_change_config(struct sk_buff *skb, |
13452 | struct genl_info *info) | |
13453 | { | |
13454 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
13455 | struct wireless_dev *wdev = info->user_ptr[1]; | |
13456 | struct cfg80211_nan_conf conf = {}; | |
13457 | u32 changed = 0; | |
13458 | ||
13459 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
13460 | return -EOPNOTSUPP; | |
13461 | ||
73c7da3d | 13462 | if (!wdev_running(wdev)) |
a5a9dcf2 AB |
13463 | return -ENOTCONN; |
13464 | ||
13465 | if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) { | |
13466 | conf.master_pref = | |
13467 | nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]); | |
13468 | if (conf.master_pref <= 1 || conf.master_pref == 255) | |
13469 | return -EINVAL; | |
13470 | ||
13471 | changed |= CFG80211_NAN_CONF_CHANGED_PREF; | |
13472 | } | |
13473 | ||
8585989d LC |
13474 | if (info->attrs[NL80211_ATTR_BANDS]) { |
13475 | u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]); | |
13476 | ||
13477 | if (bands & ~(u32)wdev->wiphy->nan_supported_bands) | |
13478 | return -EOPNOTSUPP; | |
13479 | ||
13480 | if (bands && !(bands & BIT(NL80211_BAND_2GHZ))) | |
13481 | return -EINVAL; | |
13482 | ||
13483 | conf.bands = bands; | |
13484 | changed |= CFG80211_NAN_CONF_CHANGED_BANDS; | |
a5a9dcf2 AB |
13485 | } |
13486 | ||
13487 | if (!changed) | |
13488 | return -EINVAL; | |
13489 | ||
13490 | return rdev_nan_change_conf(rdev, wdev, &conf, changed); | |
13491 | } | |
13492 | ||
50bcd31d AB |
13493 | void cfg80211_nan_match(struct wireless_dev *wdev, |
13494 | struct cfg80211_nan_match_params *match, gfp_t gfp) | |
13495 | { | |
13496 | struct wiphy *wiphy = wdev->wiphy; | |
13497 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
13498 | struct nlattr *match_attr, *local_func_attr, *peer_func_attr; | |
13499 | struct sk_buff *msg; | |
13500 | void *hdr; | |
13501 | ||
13502 | if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr)) | |
13503 | return; | |
13504 | ||
13505 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
13506 | if (!msg) | |
13507 | return; | |
13508 | ||
13509 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH); | |
13510 | if (!hdr) { | |
13511 | nlmsg_free(msg); | |
13512 | return; | |
13513 | } | |
13514 | ||
13515 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
13516 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
13517 | wdev->netdev->ifindex)) || | |
13518 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), | |
13519 | NL80211_ATTR_PAD)) | |
13520 | goto nla_put_failure; | |
13521 | ||
13522 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie, | |
13523 | NL80211_ATTR_PAD) || | |
13524 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr)) | |
13525 | goto nla_put_failure; | |
13526 | ||
ae0be8de | 13527 | match_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_MATCH); |
50bcd31d AB |
13528 | if (!match_attr) |
13529 | goto nla_put_failure; | |
13530 | ||
ae0be8de MK |
13531 | local_func_attr = nla_nest_start_noflag(msg, |
13532 | NL80211_NAN_MATCH_FUNC_LOCAL); | |
50bcd31d AB |
13533 | if (!local_func_attr) |
13534 | goto nla_put_failure; | |
13535 | ||
13536 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id)) | |
13537 | goto nla_put_failure; | |
13538 | ||
13539 | nla_nest_end(msg, local_func_attr); | |
13540 | ||
ae0be8de MK |
13541 | peer_func_attr = nla_nest_start_noflag(msg, |
13542 | NL80211_NAN_MATCH_FUNC_PEER); | |
50bcd31d AB |
13543 | if (!peer_func_attr) |
13544 | goto nla_put_failure; | |
13545 | ||
13546 | if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) || | |
13547 | nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id)) | |
13548 | goto nla_put_failure; | |
13549 | ||
13550 | if (match->info && match->info_len && | |
13551 | nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len, | |
13552 | match->info)) | |
13553 | goto nla_put_failure; | |
13554 | ||
13555 | nla_nest_end(msg, peer_func_attr); | |
13556 | nla_nest_end(msg, match_attr); | |
13557 | genlmsg_end(msg, hdr); | |
13558 | ||
13559 | if (!wdev->owner_nlportid) | |
13560 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
13561 | msg, 0, NL80211_MCGRP_NAN, gfp); | |
13562 | else | |
13563 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, | |
13564 | wdev->owner_nlportid); | |
13565 | ||
13566 | return; | |
13567 | ||
13568 | nla_put_failure: | |
13569 | nlmsg_free(msg); | |
13570 | } | |
13571 | EXPORT_SYMBOL(cfg80211_nan_match); | |
13572 | ||
368e5a7b AB |
13573 | void cfg80211_nan_func_terminated(struct wireless_dev *wdev, |
13574 | u8 inst_id, | |
13575 | enum nl80211_nan_func_term_reason reason, | |
13576 | u64 cookie, gfp_t gfp) | |
13577 | { | |
13578 | struct wiphy *wiphy = wdev->wiphy; | |
13579 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
13580 | struct sk_buff *msg; | |
13581 | struct nlattr *func_attr; | |
13582 | void *hdr; | |
13583 | ||
13584 | if (WARN_ON(!inst_id)) | |
13585 | return; | |
13586 | ||
13587 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
13588 | if (!msg) | |
13589 | return; | |
13590 | ||
13591 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION); | |
13592 | if (!hdr) { | |
13593 | nlmsg_free(msg); | |
13594 | return; | |
13595 | } | |
13596 | ||
13597 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
13598 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
13599 | wdev->netdev->ifindex)) || | |
13600 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), | |
13601 | NL80211_ATTR_PAD)) | |
13602 | goto nla_put_failure; | |
13603 | ||
13604 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, | |
13605 | NL80211_ATTR_PAD)) | |
13606 | goto nla_put_failure; | |
13607 | ||
ae0be8de | 13608 | func_attr = nla_nest_start_noflag(msg, NL80211_ATTR_NAN_FUNC); |
368e5a7b AB |
13609 | if (!func_attr) |
13610 | goto nla_put_failure; | |
13611 | ||
13612 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) || | |
13613 | nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason)) | |
13614 | goto nla_put_failure; | |
13615 | ||
13616 | nla_nest_end(msg, func_attr); | |
13617 | genlmsg_end(msg, hdr); | |
13618 | ||
13619 | if (!wdev->owner_nlportid) | |
13620 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
13621 | msg, 0, NL80211_MCGRP_NAN, gfp); | |
13622 | else | |
13623 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, | |
13624 | wdev->owner_nlportid); | |
13625 | ||
13626 | return; | |
13627 | ||
13628 | nla_put_failure: | |
13629 | nlmsg_free(msg); | |
13630 | } | |
13631 | EXPORT_SYMBOL(cfg80211_nan_func_terminated); | |
13632 | ||
3713b4e3 JB |
13633 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
13634 | struct genl_info *info) | |
13635 | { | |
13636 | void *hdr; | |
13637 | struct sk_buff *msg; | |
13638 | ||
13639 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
13640 | if (!msg) | |
13641 | return -ENOMEM; | |
13642 | ||
13643 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
13644 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
13645 | if (!hdr) | |
13646 | goto nla_put_failure; | |
13647 | ||
13648 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
13649 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
13650 | goto nla_put_failure; | |
13651 | ||
13652 | genlmsg_end(msg, hdr); | |
13653 | return genlmsg_reply(msg, info); | |
13654 | ||
13655 | nla_put_failure: | |
13656 | kfree_skb(msg); | |
13657 | return -ENOBUFS; | |
13658 | } | |
13659 | ||
355199e0 JM |
13660 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
13661 | { | |
13662 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
13663 | struct cfg80211_update_ft_ies_params ft_params; | |
13664 | struct net_device *dev = info->user_ptr[1]; | |
13665 | ||
13666 | if (!rdev->ops->update_ft_ies) | |
13667 | return -EOPNOTSUPP; | |
13668 | ||
13669 | if (!info->attrs[NL80211_ATTR_MDID] || | |
3d7af878 | 13670 | !info->attrs[NL80211_ATTR_IE]) |
355199e0 JM |
13671 | return -EINVAL; |
13672 | ||
13673 | memset(&ft_params, 0, sizeof(ft_params)); | |
13674 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
13675 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
13676 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
13677 | ||
13678 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
13679 | } | |
13680 | ||
5de17984 AS |
13681 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
13682 | struct genl_info *info) | |
13683 | { | |
13684 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
13685 | struct wireless_dev *wdev = info->user_ptr[1]; | |
13686 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
13687 | u16 duration; | |
13688 | int ret; | |
13689 | ||
13690 | if (!rdev->ops->crit_proto_start) | |
13691 | return -EOPNOTSUPP; | |
13692 | ||
13693 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
13694 | return -EINVAL; | |
13695 | ||
13696 | if (rdev->crit_proto_nlportid) | |
13697 | return -EBUSY; | |
13698 | ||
13699 | /* determine protocol if provided */ | |
13700 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
13701 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
13702 | ||
13703 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
13704 | return -EINVAL; | |
13705 | ||
13706 | /* timeout must be provided */ | |
13707 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
13708 | return -EINVAL; | |
13709 | ||
13710 | duration = | |
13711 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
13712 | ||
5de17984 AS |
13713 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); |
13714 | if (!ret) | |
13715 | rdev->crit_proto_nlportid = info->snd_portid; | |
13716 | ||
13717 | return ret; | |
13718 | } | |
13719 | ||
13720 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
13721 | struct genl_info *info) | |
13722 | { | |
13723 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
13724 | struct wireless_dev *wdev = info->user_ptr[1]; | |
13725 | ||
13726 | if (!rdev->ops->crit_proto_stop) | |
13727 | return -EOPNOTSUPP; | |
13728 | ||
13729 | if (rdev->crit_proto_nlportid) { | |
13730 | rdev->crit_proto_nlportid = 0; | |
13731 | rdev_crit_proto_stop(rdev, wdev); | |
13732 | } | |
13733 | return 0; | |
13734 | } | |
13735 | ||
901bb989 JB |
13736 | static int nl80211_vendor_check_policy(const struct wiphy_vendor_command *vcmd, |
13737 | struct nlattr *attr, | |
13738 | struct netlink_ext_ack *extack) | |
13739 | { | |
13740 | if (vcmd->policy == VENDOR_CMD_RAW_DATA) { | |
13741 | if (attr->nla_type & NLA_F_NESTED) { | |
13742 | NL_SET_ERR_MSG_ATTR(extack, attr, | |
13743 | "unexpected nested data"); | |
13744 | return -EINVAL; | |
13745 | } | |
13746 | ||
13747 | return 0; | |
13748 | } | |
13749 | ||
13750 | if (!(attr->nla_type & NLA_F_NESTED)) { | |
13751 | NL_SET_ERR_MSG_ATTR(extack, attr, "expected nested data"); | |
13752 | return -EINVAL; | |
13753 | } | |
13754 | ||
32d5109a | 13755 | return nla_validate_nested(attr, vcmd->maxattr, vcmd->policy, extack); |
901bb989 JB |
13756 | } |
13757 | ||
ad7e718c JB |
13758 | static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info) |
13759 | { | |
13760 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
13761 | struct wireless_dev *wdev = | |
a05829a7 JB |
13762 | __cfg80211_wdev_from_attrs(rdev, genl_info_net(info), |
13763 | info->attrs); | |
ad7e718c JB |
13764 | int i, err; |
13765 | u32 vid, subcmd; | |
13766 | ||
13767 | if (!rdev->wiphy.vendor_commands) | |
13768 | return -EOPNOTSUPP; | |
13769 | ||
13770 | if (IS_ERR(wdev)) { | |
13771 | err = PTR_ERR(wdev); | |
13772 | if (err != -EINVAL) | |
13773 | return err; | |
13774 | wdev = NULL; | |
13775 | } else if (wdev->wiphy != &rdev->wiphy) { | |
13776 | return -EINVAL; | |
13777 | } | |
13778 | ||
13779 | if (!info->attrs[NL80211_ATTR_VENDOR_ID] || | |
13780 | !info->attrs[NL80211_ATTR_VENDOR_SUBCMD]) | |
13781 | return -EINVAL; | |
13782 | ||
13783 | vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]); | |
13784 | subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]); | |
13785 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { | |
13786 | const struct wiphy_vendor_command *vcmd; | |
13787 | void *data = NULL; | |
13788 | int len = 0; | |
13789 | ||
13790 | vcmd = &rdev->wiphy.vendor_commands[i]; | |
13791 | ||
13792 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
13793 | continue; | |
13794 | ||
13795 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
13796 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
13797 | if (!wdev) | |
13798 | return -EINVAL; | |
13799 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
13800 | !wdev->netdev) | |
13801 | return -EINVAL; | |
13802 | ||
13803 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
73c7da3d | 13804 | if (!wdev_running(wdev)) |
ad7e718c JB |
13805 | return -ENETDOWN; |
13806 | } | |
13807 | } else { | |
13808 | wdev = NULL; | |
13809 | } | |
13810 | ||
4052d3d2 JS |
13811 | if (!vcmd->doit) |
13812 | return -EOPNOTSUPP; | |
13813 | ||
ad7e718c JB |
13814 | if (info->attrs[NL80211_ATTR_VENDOR_DATA]) { |
13815 | data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
13816 | len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
901bb989 JB |
13817 | |
13818 | err = nl80211_vendor_check_policy(vcmd, | |
13819 | info->attrs[NL80211_ATTR_VENDOR_DATA], | |
13820 | info->extack); | |
13821 | if (err) | |
13822 | return err; | |
ad7e718c JB |
13823 | } |
13824 | ||
13825 | rdev->cur_cmd_info = info; | |
901bb989 | 13826 | err = vcmd->doit(&rdev->wiphy, wdev, data, len); |
ad7e718c JB |
13827 | rdev->cur_cmd_info = NULL; |
13828 | return err; | |
13829 | } | |
13830 | ||
13831 | return -EOPNOTSUPP; | |
13832 | } | |
13833 | ||
7bdbe400 JB |
13834 | static int nl80211_prepare_vendor_dump(struct sk_buff *skb, |
13835 | struct netlink_callback *cb, | |
13836 | struct cfg80211_registered_device **rdev, | |
13837 | struct wireless_dev **wdev) | |
13838 | { | |
50508d94 | 13839 | struct nlattr **attrbuf; |
7bdbe400 JB |
13840 | u32 vid, subcmd; |
13841 | unsigned int i; | |
13842 | int vcmd_idx = -1; | |
13843 | int err; | |
13844 | void *data = NULL; | |
13845 | unsigned int data_len = 0; | |
13846 | ||
7bdbe400 JB |
13847 | if (cb->args[0]) { |
13848 | /* subtract the 1 again here */ | |
13849 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
13850 | struct wireless_dev *tmp; | |
13851 | ||
ea90e0dc JB |
13852 | if (!wiphy) |
13853 | return -ENODEV; | |
7bdbe400 JB |
13854 | *rdev = wiphy_to_rdev(wiphy); |
13855 | *wdev = NULL; | |
13856 | ||
13857 | if (cb->args[1]) { | |
53873f13 | 13858 | list_for_each_entry(tmp, &wiphy->wdev_list, list) { |
7bdbe400 JB |
13859 | if (tmp->identifier == cb->args[1] - 1) { |
13860 | *wdev = tmp; | |
13861 | break; | |
13862 | } | |
13863 | } | |
13864 | } | |
13865 | ||
13866 | /* keep rtnl locked in successful case */ | |
13867 | return 0; | |
13868 | } | |
13869 | ||
50508d94 JB |
13870 | attrbuf = kcalloc(NUM_NL80211_ATTR, sizeof(*attrbuf), GFP_KERNEL); |
13871 | if (!attrbuf) | |
13872 | return -ENOMEM; | |
13873 | ||
8cb08174 JB |
13874 | err = nlmsg_parse_deprecated(cb->nlh, |
13875 | GENL_HDRLEN + nl80211_fam.hdrsize, | |
13876 | attrbuf, nl80211_fam.maxattr, | |
13877 | nl80211_policy, NULL); | |
7bdbe400 | 13878 | if (err) |
50508d94 | 13879 | goto out; |
7bdbe400 | 13880 | |
c90c39da | 13881 | if (!attrbuf[NL80211_ATTR_VENDOR_ID] || |
50508d94 JB |
13882 | !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) { |
13883 | err = -EINVAL; | |
13884 | goto out; | |
13885 | } | |
7bdbe400 | 13886 | |
a05829a7 | 13887 | *wdev = __cfg80211_wdev_from_attrs(NULL, sock_net(skb->sk), attrbuf); |
7bdbe400 JB |
13888 | if (IS_ERR(*wdev)) |
13889 | *wdev = NULL; | |
13890 | ||
c90c39da | 13891 | *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf); |
50508d94 JB |
13892 | if (IS_ERR(*rdev)) { |
13893 | err = PTR_ERR(*rdev); | |
13894 | goto out; | |
13895 | } | |
7bdbe400 | 13896 | |
c90c39da JB |
13897 | vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]); |
13898 | subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]); | |
7bdbe400 JB |
13899 | |
13900 | for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) { | |
13901 | const struct wiphy_vendor_command *vcmd; | |
13902 | ||
13903 | vcmd = &(*rdev)->wiphy.vendor_commands[i]; | |
13904 | ||
13905 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
13906 | continue; | |
13907 | ||
50508d94 JB |
13908 | if (!vcmd->dumpit) { |
13909 | err = -EOPNOTSUPP; | |
13910 | goto out; | |
13911 | } | |
7bdbe400 JB |
13912 | |
13913 | vcmd_idx = i; | |
13914 | break; | |
13915 | } | |
13916 | ||
50508d94 JB |
13917 | if (vcmd_idx < 0) { |
13918 | err = -EOPNOTSUPP; | |
13919 | goto out; | |
13920 | } | |
7bdbe400 | 13921 | |
c90c39da JB |
13922 | if (attrbuf[NL80211_ATTR_VENDOR_DATA]) { |
13923 | data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]); | |
13924 | data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]); | |
901bb989 JB |
13925 | |
13926 | err = nl80211_vendor_check_policy( | |
13927 | &(*rdev)->wiphy.vendor_commands[vcmd_idx], | |
13928 | attrbuf[NL80211_ATTR_VENDOR_DATA], | |
13929 | cb->extack); | |
13930 | if (err) | |
50508d94 | 13931 | goto out; |
7bdbe400 JB |
13932 | } |
13933 | ||
13934 | /* 0 is the first index - add 1 to parse only once */ | |
13935 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
13936 | /* add 1 to know if it was NULL */ | |
13937 | cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0; | |
13938 | cb->args[2] = vcmd_idx; | |
13939 | cb->args[3] = (unsigned long)data; | |
13940 | cb->args[4] = data_len; | |
13941 | ||
13942 | /* keep rtnl locked in successful case */ | |
50508d94 JB |
13943 | err = 0; |
13944 | out: | |
13945 | kfree(attrbuf); | |
13946 | return err; | |
7bdbe400 JB |
13947 | } |
13948 | ||
13949 | static int nl80211_vendor_cmd_dump(struct sk_buff *skb, | |
13950 | struct netlink_callback *cb) | |
13951 | { | |
13952 | struct cfg80211_registered_device *rdev; | |
13953 | struct wireless_dev *wdev; | |
13954 | unsigned int vcmd_idx; | |
13955 | const struct wiphy_vendor_command *vcmd; | |
13956 | void *data; | |
13957 | int data_len; | |
13958 | int err; | |
13959 | struct nlattr *vendor_data; | |
13960 | ||
ea90e0dc | 13961 | rtnl_lock(); |
7bdbe400 JB |
13962 | err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev); |
13963 | if (err) | |
ea90e0dc | 13964 | goto out; |
7bdbe400 JB |
13965 | |
13966 | vcmd_idx = cb->args[2]; | |
13967 | data = (void *)cb->args[3]; | |
13968 | data_len = cb->args[4]; | |
13969 | vcmd = &rdev->wiphy.vendor_commands[vcmd_idx]; | |
13970 | ||
13971 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
13972 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
ea90e0dc JB |
13973 | if (!wdev) { |
13974 | err = -EINVAL; | |
13975 | goto out; | |
13976 | } | |
7bdbe400 | 13977 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && |
ea90e0dc JB |
13978 | !wdev->netdev) { |
13979 | err = -EINVAL; | |
13980 | goto out; | |
13981 | } | |
7bdbe400 JB |
13982 | |
13983 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
ea90e0dc JB |
13984 | if (!wdev_running(wdev)) { |
13985 | err = -ENETDOWN; | |
13986 | goto out; | |
13987 | } | |
7bdbe400 JB |
13988 | } |
13989 | } | |
13990 | ||
13991 | while (1) { | |
13992 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, | |
13993 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
13994 | NL80211_CMD_VENDOR); | |
13995 | if (!hdr) | |
13996 | break; | |
13997 | ||
13998 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
13999 | (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV, |
14000 | wdev_id(wdev), | |
14001 | NL80211_ATTR_PAD))) { | |
7bdbe400 JB |
14002 | genlmsg_cancel(skb, hdr); |
14003 | break; | |
14004 | } | |
14005 | ||
ae0be8de MK |
14006 | vendor_data = nla_nest_start_noflag(skb, |
14007 | NL80211_ATTR_VENDOR_DATA); | |
7bdbe400 JB |
14008 | if (!vendor_data) { |
14009 | genlmsg_cancel(skb, hdr); | |
14010 | break; | |
14011 | } | |
14012 | ||
14013 | err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len, | |
14014 | (unsigned long *)&cb->args[5]); | |
14015 | nla_nest_end(skb, vendor_data); | |
14016 | ||
14017 | if (err == -ENOBUFS || err == -ENOENT) { | |
14018 | genlmsg_cancel(skb, hdr); | |
14019 | break; | |
9c167b2d | 14020 | } else if (err <= 0) { |
7bdbe400 JB |
14021 | genlmsg_cancel(skb, hdr); |
14022 | goto out; | |
14023 | } | |
14024 | ||
14025 | genlmsg_end(skb, hdr); | |
14026 | } | |
14027 | ||
14028 | err = skb->len; | |
14029 | out: | |
14030 | rtnl_unlock(); | |
14031 | return err; | |
14032 | } | |
14033 | ||
ad7e718c JB |
14034 | struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy, |
14035 | enum nl80211_commands cmd, | |
14036 | enum nl80211_attrs attr, | |
14037 | int approxlen) | |
14038 | { | |
f26cbf40 | 14039 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ad7e718c JB |
14040 | |
14041 | if (WARN_ON(!rdev->cur_cmd_info)) | |
14042 | return NULL; | |
14043 | ||
6c09e791 | 14044 | return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen, |
ad7e718c JB |
14045 | rdev->cur_cmd_info->snd_portid, |
14046 | rdev->cur_cmd_info->snd_seq, | |
567ffc35 | 14047 | cmd, attr, NULL, GFP_KERNEL); |
ad7e718c JB |
14048 | } |
14049 | EXPORT_SYMBOL(__cfg80211_alloc_reply_skb); | |
14050 | ||
14051 | int cfg80211_vendor_cmd_reply(struct sk_buff *skb) | |
14052 | { | |
14053 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
14054 | void *hdr = ((void **)skb->cb)[1]; | |
14055 | struct nlattr *data = ((void **)skb->cb)[2]; | |
14056 | ||
bd8c78e7 JB |
14057 | /* clear CB data for netlink core to own from now on */ |
14058 | memset(skb->cb, 0, sizeof(skb->cb)); | |
14059 | ||
ad7e718c JB |
14060 | if (WARN_ON(!rdev->cur_cmd_info)) { |
14061 | kfree_skb(skb); | |
14062 | return -EINVAL; | |
14063 | } | |
14064 | ||
14065 | nla_nest_end(skb, data); | |
14066 | genlmsg_end(skb, hdr); | |
14067 | return genlmsg_reply(skb, rdev->cur_cmd_info); | |
14068 | } | |
14069 | EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply); | |
14070 | ||
55c1fdf0 JB |
14071 | unsigned int cfg80211_vendor_cmd_get_sender(struct wiphy *wiphy) |
14072 | { | |
14073 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
14074 | ||
14075 | if (WARN_ON(!rdev->cur_cmd_info)) | |
14076 | return 0; | |
14077 | ||
14078 | return rdev->cur_cmd_info->snd_portid; | |
14079 | } | |
14080 | EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_get_sender); | |
14081 | ||
fa9ffc74 KP |
14082 | static int nl80211_set_qos_map(struct sk_buff *skb, |
14083 | struct genl_info *info) | |
14084 | { | |
14085 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
14086 | struct cfg80211_qos_map *qos_map = NULL; | |
14087 | struct net_device *dev = info->user_ptr[1]; | |
14088 | u8 *pos, len, num_des, des_len, des; | |
14089 | int ret; | |
14090 | ||
14091 | if (!rdev->ops->set_qos_map) | |
14092 | return -EOPNOTSUPP; | |
14093 | ||
14094 | if (info->attrs[NL80211_ATTR_QOS_MAP]) { | |
14095 | pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]); | |
14096 | len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]); | |
14097 | ||
c8b82802 | 14098 | if (len % 2) |
fa9ffc74 KP |
14099 | return -EINVAL; |
14100 | ||
14101 | qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL); | |
14102 | if (!qos_map) | |
14103 | return -ENOMEM; | |
14104 | ||
14105 | num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1; | |
14106 | if (num_des) { | |
14107 | des_len = num_des * | |
14108 | sizeof(struct cfg80211_dscp_exception); | |
14109 | memcpy(qos_map->dscp_exception, pos, des_len); | |
14110 | qos_map->num_des = num_des; | |
14111 | for (des = 0; des < num_des; des++) { | |
14112 | if (qos_map->dscp_exception[des].up > 7) { | |
14113 | kfree(qos_map); | |
14114 | return -EINVAL; | |
14115 | } | |
14116 | } | |
14117 | pos += des_len; | |
14118 | } | |
14119 | memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN); | |
14120 | } | |
14121 | ||
14122 | wdev_lock(dev->ieee80211_ptr); | |
14123 | ret = nl80211_key_allowed(dev->ieee80211_ptr); | |
14124 | if (!ret) | |
14125 | ret = rdev_set_qos_map(rdev, dev, qos_map); | |
14126 | wdev_unlock(dev->ieee80211_ptr); | |
14127 | ||
14128 | kfree(qos_map); | |
14129 | return ret; | |
14130 | } | |
14131 | ||
960d01ac JB |
14132 | static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info) |
14133 | { | |
14134 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
14135 | struct net_device *dev = info->user_ptr[1]; | |
14136 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14137 | const u8 *peer; | |
14138 | u8 tsid, up; | |
14139 | u16 admitted_time = 0; | |
14140 | int err; | |
14141 | ||
723e73ac | 14142 | if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)) |
960d01ac JB |
14143 | return -EOPNOTSUPP; |
14144 | ||
14145 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] || | |
14146 | !info->attrs[NL80211_ATTR_USER_PRIO]) | |
14147 | return -EINVAL; | |
14148 | ||
14149 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
960d01ac | 14150 | up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]); |
960d01ac JB |
14151 | |
14152 | /* WMM uses TIDs 0-7 even for TSPEC */ | |
723e73ac | 14153 | if (tsid >= IEEE80211_FIRST_TSPEC_TSID) { |
960d01ac | 14154 | /* TODO: handle 802.11 TSPEC/admission control |
723e73ac JB |
14155 | * need more attributes for that (e.g. BA session requirement); |
14156 | * change the WMM adminssion test above to allow both then | |
960d01ac JB |
14157 | */ |
14158 | return -EINVAL; | |
14159 | } | |
14160 | ||
14161 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
14162 | ||
14163 | if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) { | |
14164 | admitted_time = | |
14165 | nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]); | |
14166 | if (!admitted_time) | |
14167 | return -EINVAL; | |
14168 | } | |
14169 | ||
14170 | wdev_lock(wdev); | |
14171 | switch (wdev->iftype) { | |
14172 | case NL80211_IFTYPE_STATION: | |
14173 | case NL80211_IFTYPE_P2P_CLIENT: | |
14174 | if (wdev->current_bss) | |
14175 | break; | |
14176 | err = -ENOTCONN; | |
14177 | goto out; | |
14178 | default: | |
14179 | err = -EOPNOTSUPP; | |
14180 | goto out; | |
14181 | } | |
14182 | ||
14183 | err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time); | |
14184 | ||
14185 | out: | |
14186 | wdev_unlock(wdev); | |
14187 | return err; | |
14188 | } | |
14189 | ||
14190 | static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info) | |
14191 | { | |
14192 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
14193 | struct net_device *dev = info->user_ptr[1]; | |
14194 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14195 | const u8 *peer; | |
14196 | u8 tsid; | |
14197 | int err; | |
14198 | ||
14199 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC]) | |
14200 | return -EINVAL; | |
14201 | ||
14202 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
14203 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
14204 | ||
14205 | wdev_lock(wdev); | |
14206 | err = rdev_del_tx_ts(rdev, dev, tsid, peer); | |
14207 | wdev_unlock(wdev); | |
14208 | ||
14209 | return err; | |
14210 | } | |
14211 | ||
1057d35e AN |
14212 | static int nl80211_tdls_channel_switch(struct sk_buff *skb, |
14213 | struct genl_info *info) | |
14214 | { | |
14215 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
14216 | struct net_device *dev = info->user_ptr[1]; | |
14217 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14218 | struct cfg80211_chan_def chandef = {}; | |
14219 | const u8 *addr; | |
14220 | u8 oper_class; | |
14221 | int err; | |
14222 | ||
14223 | if (!rdev->ops->tdls_channel_switch || | |
14224 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
14225 | return -EOPNOTSUPP; | |
14226 | ||
14227 | switch (dev->ieee80211_ptr->iftype) { | |
14228 | case NL80211_IFTYPE_STATION: | |
14229 | case NL80211_IFTYPE_P2P_CLIENT: | |
14230 | break; | |
14231 | default: | |
14232 | return -EOPNOTSUPP; | |
14233 | } | |
14234 | ||
14235 | if (!info->attrs[NL80211_ATTR_MAC] || | |
14236 | !info->attrs[NL80211_ATTR_OPER_CLASS]) | |
14237 | return -EINVAL; | |
14238 | ||
14239 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
14240 | if (err) | |
14241 | return err; | |
14242 | ||
14243 | /* | |
14244 | * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012 | |
14245 | * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the | |
14246 | * specification is not defined for them. | |
14247 | */ | |
57fbcce3 | 14248 | if (chandef.chan->band == NL80211_BAND_2GHZ && |
1057d35e AN |
14249 | chandef.width != NL80211_CHAN_WIDTH_20_NOHT && |
14250 | chandef.width != NL80211_CHAN_WIDTH_20) | |
14251 | return -EINVAL; | |
14252 | ||
14253 | /* we will be active on the TDLS link */ | |
923b352f AN |
14254 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, |
14255 | wdev->iftype)) | |
1057d35e AN |
14256 | return -EINVAL; |
14257 | ||
14258 | /* don't allow switching to DFS channels */ | |
14259 | if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype)) | |
14260 | return -EINVAL; | |
14261 | ||
14262 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
14263 | oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]); | |
14264 | ||
14265 | wdev_lock(wdev); | |
14266 | err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef); | |
14267 | wdev_unlock(wdev); | |
14268 | ||
14269 | return err; | |
14270 | } | |
14271 | ||
14272 | static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb, | |
14273 | struct genl_info *info) | |
14274 | { | |
14275 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
14276 | struct net_device *dev = info->user_ptr[1]; | |
14277 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14278 | const u8 *addr; | |
14279 | ||
14280 | if (!rdev->ops->tdls_channel_switch || | |
14281 | !rdev->ops->tdls_cancel_channel_switch || | |
14282 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
14283 | return -EOPNOTSUPP; | |
14284 | ||
14285 | switch (dev->ieee80211_ptr->iftype) { | |
14286 | case NL80211_IFTYPE_STATION: | |
14287 | case NL80211_IFTYPE_P2P_CLIENT: | |
14288 | break; | |
14289 | default: | |
14290 | return -EOPNOTSUPP; | |
14291 | } | |
14292 | ||
14293 | if (!info->attrs[NL80211_ATTR_MAC]) | |
14294 | return -EINVAL; | |
14295 | ||
14296 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
14297 | ||
14298 | wdev_lock(wdev); | |
14299 | rdev_tdls_cancel_channel_switch(rdev, dev, addr); | |
14300 | wdev_unlock(wdev); | |
14301 | ||
14302 | return 0; | |
14303 | } | |
14304 | ||
ce0ce13a MB |
14305 | static int nl80211_set_multicast_to_unicast(struct sk_buff *skb, |
14306 | struct genl_info *info) | |
14307 | { | |
14308 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
14309 | struct net_device *dev = info->user_ptr[1]; | |
14310 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14311 | const struct nlattr *nla; | |
14312 | bool enabled; | |
14313 | ||
ce0ce13a MB |
14314 | if (!rdev->ops->set_multicast_to_unicast) |
14315 | return -EOPNOTSUPP; | |
14316 | ||
14317 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
14318 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
14319 | return -EOPNOTSUPP; | |
14320 | ||
14321 | nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED]; | |
14322 | enabled = nla_get_flag(nla); | |
14323 | ||
14324 | return rdev_set_multicast_to_unicast(rdev, dev, enabled); | |
14325 | } | |
14326 | ||
3a00df57 AS |
14327 | static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info) |
14328 | { | |
14329 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
14330 | struct net_device *dev = info->user_ptr[1]; | |
14331 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14332 | struct cfg80211_pmk_conf pmk_conf = {}; | |
14333 | int ret; | |
14334 | ||
14335 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
14336 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
14337 | return -EOPNOTSUPP; | |
14338 | ||
14339 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
14340 | NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X)) | |
14341 | return -EOPNOTSUPP; | |
14342 | ||
14343 | if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK]) | |
14344 | return -EINVAL; | |
14345 | ||
14346 | wdev_lock(wdev); | |
14347 | if (!wdev->current_bss) { | |
14348 | ret = -ENOTCONN; | |
14349 | goto out; | |
14350 | } | |
14351 | ||
14352 | pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
14353 | if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) { | |
14354 | ret = -EINVAL; | |
14355 | goto out; | |
14356 | } | |
14357 | ||
14358 | pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]); | |
14359 | pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]); | |
14360 | if (pmk_conf.pmk_len != WLAN_PMK_LEN && | |
14361 | pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) { | |
14362 | ret = -EINVAL; | |
14363 | goto out; | |
14364 | } | |
14365 | ||
cb9abd48 | 14366 | if (info->attrs[NL80211_ATTR_PMKR0_NAME]) |
3a00df57 AS |
14367 | pmk_conf.pmk_r0_name = |
14368 | nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]); | |
3a00df57 AS |
14369 | |
14370 | ret = rdev_set_pmk(rdev, dev, &pmk_conf); | |
14371 | out: | |
14372 | wdev_unlock(wdev); | |
14373 | return ret; | |
14374 | } | |
14375 | ||
14376 | static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info) | |
14377 | { | |
14378 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
14379 | struct net_device *dev = info->user_ptr[1]; | |
14380 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14381 | const u8 *aa; | |
14382 | int ret; | |
14383 | ||
14384 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
14385 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
14386 | return -EOPNOTSUPP; | |
14387 | ||
14388 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
14389 | NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X)) | |
14390 | return -EOPNOTSUPP; | |
14391 | ||
14392 | if (!info->attrs[NL80211_ATTR_MAC]) | |
14393 | return -EINVAL; | |
14394 | ||
14395 | wdev_lock(wdev); | |
14396 | aa = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
14397 | ret = rdev_del_pmk(rdev, dev, aa); | |
14398 | wdev_unlock(wdev); | |
14399 | ||
14400 | return ret; | |
14401 | } | |
14402 | ||
40cbfa90 SD |
14403 | static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info) |
14404 | { | |
14405 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
14406 | struct net_device *dev = info->user_ptr[1]; | |
14407 | struct cfg80211_external_auth_params params; | |
14408 | ||
db8d93a7 | 14409 | if (!rdev->ops->external_auth) |
40cbfa90 SD |
14410 | return -EOPNOTSUPP; |
14411 | ||
fe494370 SD |
14412 | if (!info->attrs[NL80211_ATTR_SSID] && |
14413 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
14414 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
40cbfa90 SD |
14415 | return -EINVAL; |
14416 | ||
14417 | if (!info->attrs[NL80211_ATTR_BSSID]) | |
14418 | return -EINVAL; | |
14419 | ||
14420 | if (!info->attrs[NL80211_ATTR_STATUS_CODE]) | |
14421 | return -EINVAL; | |
14422 | ||
14423 | memset(¶ms, 0, sizeof(params)); | |
14424 | ||
fe494370 SD |
14425 | if (info->attrs[NL80211_ATTR_SSID]) { |
14426 | params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
cb9abd48 | 14427 | if (params.ssid.ssid_len == 0) |
fe494370 SD |
14428 | return -EINVAL; |
14429 | memcpy(params.ssid.ssid, | |
14430 | nla_data(info->attrs[NL80211_ATTR_SSID]), | |
14431 | params.ssid.ssid_len); | |
14432 | } | |
40cbfa90 SD |
14433 | |
14434 | memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]), | |
14435 | ETH_ALEN); | |
14436 | ||
14437 | params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
14438 | ||
fe494370 SD |
14439 | if (info->attrs[NL80211_ATTR_PMKID]) |
14440 | params.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); | |
14441 | ||
40cbfa90 SD |
14442 | return rdev_external_auth(rdev, dev, ¶ms); |
14443 | } | |
14444 | ||
2576a9ac DK |
14445 | static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info) |
14446 | { | |
dca9ca2d | 14447 | bool dont_wait_for_ack = info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK]; |
2576a9ac DK |
14448 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
14449 | struct net_device *dev = info->user_ptr[1]; | |
14450 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14451 | const u8 *buf; | |
14452 | size_t len; | |
14453 | u8 *dest; | |
14454 | u16 proto; | |
14455 | bool noencrypt; | |
dca9ca2d | 14456 | u64 cookie = 0; |
2576a9ac DK |
14457 | int err; |
14458 | ||
14459 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
14460 | NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211)) | |
14461 | return -EOPNOTSUPP; | |
14462 | ||
14463 | if (!rdev->ops->tx_control_port) | |
14464 | return -EOPNOTSUPP; | |
14465 | ||
14466 | if (!info->attrs[NL80211_ATTR_FRAME] || | |
14467 | !info->attrs[NL80211_ATTR_MAC] || | |
14468 | !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { | |
14469 | GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing"); | |
14470 | return -EINVAL; | |
14471 | } | |
14472 | ||
14473 | wdev_lock(wdev); | |
14474 | ||
14475 | switch (wdev->iftype) { | |
14476 | case NL80211_IFTYPE_AP: | |
14477 | case NL80211_IFTYPE_P2P_GO: | |
14478 | case NL80211_IFTYPE_MESH_POINT: | |
14479 | break; | |
14480 | case NL80211_IFTYPE_ADHOC: | |
14481 | case NL80211_IFTYPE_STATION: | |
14482 | case NL80211_IFTYPE_P2P_CLIENT: | |
14483 | if (wdev->current_bss) | |
14484 | break; | |
14485 | err = -ENOTCONN; | |
14486 | goto out; | |
14487 | default: | |
14488 | err = -EOPNOTSUPP; | |
14489 | goto out; | |
14490 | } | |
14491 | ||
14492 | wdev_unlock(wdev); | |
14493 | ||
14494 | buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); | |
14495 | len = nla_len(info->attrs[NL80211_ATTR_FRAME]); | |
14496 | dest = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
14497 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
14498 | noencrypt = | |
14499 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]); | |
14500 | ||
dca9ca2d MT |
14501 | err = rdev_tx_control_port(rdev, dev, buf, len, |
14502 | dest, cpu_to_be16(proto), noencrypt, | |
14503 | dont_wait_for_ack ? NULL : &cookie); | |
14504 | if (!err && !dont_wait_for_ack) | |
14505 | nl_set_extack_cookie_u64(info->extack, cookie); | |
14506 | return err; | |
2576a9ac DK |
14507 | out: |
14508 | wdev_unlock(wdev); | |
14509 | return err; | |
14510 | } | |
14511 | ||
81e54d08 PKC |
14512 | static int nl80211_get_ftm_responder_stats(struct sk_buff *skb, |
14513 | struct genl_info *info) | |
14514 | { | |
14515 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
14516 | struct net_device *dev = info->user_ptr[1]; | |
14517 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14518 | struct cfg80211_ftm_responder_stats ftm_stats = {}; | |
14519 | struct sk_buff *msg; | |
14520 | void *hdr; | |
14521 | struct nlattr *ftm_stats_attr; | |
14522 | int err; | |
14523 | ||
14524 | if (wdev->iftype != NL80211_IFTYPE_AP || !wdev->beacon_interval) | |
14525 | return -EOPNOTSUPP; | |
14526 | ||
14527 | err = rdev_get_ftm_responder_stats(rdev, dev, &ftm_stats); | |
14528 | if (err) | |
14529 | return err; | |
14530 | ||
14531 | if (!ftm_stats.filled) | |
14532 | return -ENODATA; | |
14533 | ||
14534 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
14535 | if (!msg) | |
14536 | return -ENOMEM; | |
14537 | ||
14538 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
14539 | NL80211_CMD_GET_FTM_RESPONDER_STATS); | |
14540 | if (!hdr) | |
1399c59f | 14541 | goto nla_put_failure; |
81e54d08 PKC |
14542 | |
14543 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) | |
14544 | goto nla_put_failure; | |
14545 | ||
ae0be8de MK |
14546 | ftm_stats_attr = nla_nest_start_noflag(msg, |
14547 | NL80211_ATTR_FTM_RESPONDER_STATS); | |
81e54d08 PKC |
14548 | if (!ftm_stats_attr) |
14549 | goto nla_put_failure; | |
14550 | ||
14551 | #define SET_FTM(field, name, type) \ | |
14552 | do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \ | |
14553 | nla_put_ ## type(msg, NL80211_FTM_STATS_ ## name, \ | |
14554 | ftm_stats.field)) \ | |
14555 | goto nla_put_failure; } while (0) | |
14556 | #define SET_FTM_U64(field, name) \ | |
14557 | do { if ((ftm_stats.filled & BIT(NL80211_FTM_STATS_ ## name)) && \ | |
14558 | nla_put_u64_64bit(msg, NL80211_FTM_STATS_ ## name, \ | |
14559 | ftm_stats.field, NL80211_FTM_STATS_PAD)) \ | |
14560 | goto nla_put_failure; } while (0) | |
14561 | ||
14562 | SET_FTM(success_num, SUCCESS_NUM, u32); | |
14563 | SET_FTM(partial_num, PARTIAL_NUM, u32); | |
14564 | SET_FTM(failed_num, FAILED_NUM, u32); | |
14565 | SET_FTM(asap_num, ASAP_NUM, u32); | |
14566 | SET_FTM(non_asap_num, NON_ASAP_NUM, u32); | |
14567 | SET_FTM_U64(total_duration_ms, TOTAL_DURATION_MSEC); | |
14568 | SET_FTM(unknown_triggers_num, UNKNOWN_TRIGGERS_NUM, u32); | |
14569 | SET_FTM(reschedule_requests_num, RESCHEDULE_REQUESTS_NUM, u32); | |
14570 | SET_FTM(out_of_window_triggers_num, OUT_OF_WINDOW_TRIGGERS_NUM, u32); | |
14571 | #undef SET_FTM | |
14572 | ||
14573 | nla_nest_end(msg, ftm_stats_attr); | |
14574 | ||
14575 | genlmsg_end(msg, hdr); | |
14576 | return genlmsg_reply(msg, info); | |
14577 | ||
14578 | nla_put_failure: | |
14579 | nlmsg_free(msg); | |
14580 | return -ENOBUFS; | |
14581 | } | |
14582 | ||
cb74e977 SD |
14583 | static int nl80211_update_owe_info(struct sk_buff *skb, struct genl_info *info) |
14584 | { | |
14585 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
14586 | struct cfg80211_update_owe_info owe_info; | |
14587 | struct net_device *dev = info->user_ptr[1]; | |
14588 | ||
14589 | if (!rdev->ops->update_owe_info) | |
14590 | return -EOPNOTSUPP; | |
14591 | ||
14592 | if (!info->attrs[NL80211_ATTR_STATUS_CODE] || | |
14593 | !info->attrs[NL80211_ATTR_MAC]) | |
14594 | return -EINVAL; | |
14595 | ||
14596 | memset(&owe_info, 0, sizeof(owe_info)); | |
14597 | owe_info.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
14598 | nla_memcpy(owe_info.peer, info->attrs[NL80211_ATTR_MAC], ETH_ALEN); | |
14599 | ||
14600 | if (info->attrs[NL80211_ATTR_IE]) { | |
14601 | owe_info.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
14602 | owe_info.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
14603 | } | |
14604 | ||
14605 | return rdev_update_owe_info(rdev, dev, &owe_info); | |
14606 | } | |
14607 | ||
5ab92e7f RM |
14608 | static int nl80211_probe_mesh_link(struct sk_buff *skb, struct genl_info *info) |
14609 | { | |
14610 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
14611 | struct net_device *dev = info->user_ptr[1]; | |
14612 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14613 | struct station_info sinfo = {}; | |
14614 | const u8 *buf; | |
14615 | size_t len; | |
14616 | u8 *dest; | |
14617 | int err; | |
14618 | ||
14619 | if (!rdev->ops->probe_mesh_link || !rdev->ops->get_station) | |
14620 | return -EOPNOTSUPP; | |
14621 | ||
14622 | if (!info->attrs[NL80211_ATTR_MAC] || | |
14623 | !info->attrs[NL80211_ATTR_FRAME]) { | |
14624 | GENL_SET_ERR_MSG(info, "Frame or MAC missing"); | |
14625 | return -EINVAL; | |
14626 | } | |
14627 | ||
14628 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) | |
14629 | return -EOPNOTSUPP; | |
14630 | ||
14631 | dest = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
14632 | buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); | |
14633 | len = nla_len(info->attrs[NL80211_ATTR_FRAME]); | |
14634 | ||
14635 | if (len < sizeof(struct ethhdr)) | |
14636 | return -EINVAL; | |
14637 | ||
14638 | if (!ether_addr_equal(buf, dest) || is_multicast_ether_addr(buf) || | |
14639 | !ether_addr_equal(buf + ETH_ALEN, dev->dev_addr)) | |
14640 | return -EINVAL; | |
14641 | ||
14642 | err = rdev_get_station(rdev, dev, dest, &sinfo); | |
14643 | if (err) | |
14644 | return err; | |
14645 | ||
2a279b34 FF |
14646 | cfg80211_sinfo_release_content(&sinfo); |
14647 | ||
5ab92e7f RM |
14648 | return rdev_probe_mesh_link(rdev, dev, dest, buf, len); |
14649 | } | |
14650 | ||
77f576de T |
14651 | static int parse_tid_conf(struct cfg80211_registered_device *rdev, |
14652 | struct nlattr *attrs[], struct net_device *dev, | |
3710a8a6 | 14653 | struct cfg80211_tid_cfg *tid_conf, |
77f576de T |
14654 | struct genl_info *info, const u8 *peer) |
14655 | { | |
14656 | struct netlink_ext_ack *extack = info->extack; | |
3710a8a6 | 14657 | u64 mask; |
77f576de T |
14658 | int err; |
14659 | ||
14660 | if (!attrs[NL80211_TID_CONFIG_ATTR_TIDS]) | |
14661 | return -EINVAL; | |
14662 | ||
14663 | tid_conf->config_override = | |
14664 | nla_get_flag(attrs[NL80211_TID_CONFIG_ATTR_OVERRIDE]); | |
3710a8a6 | 14665 | tid_conf->tids = nla_get_u16(attrs[NL80211_TID_CONFIG_ATTR_TIDS]); |
77f576de T |
14666 | |
14667 | if (tid_conf->config_override) { | |
14668 | if (rdev->ops->reset_tid_config) { | |
14669 | err = rdev_reset_tid_config(rdev, dev, peer, | |
3710a8a6 | 14670 | tid_conf->tids); |
c0336955 | 14671 | if (err) |
77f576de T |
14672 | return err; |
14673 | } else { | |
14674 | return -EINVAL; | |
14675 | } | |
14676 | } | |
14677 | ||
14678 | if (attrs[NL80211_TID_CONFIG_ATTR_NOACK]) { | |
3710a8a6 | 14679 | tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_NOACK); |
77f576de T |
14680 | tid_conf->noack = |
14681 | nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_NOACK]); | |
14682 | } | |
14683 | ||
6a21d16c T |
14684 | if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]) { |
14685 | tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_SHORT); | |
14686 | tid_conf->retry_short = | |
14687 | nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_SHORT]); | |
14688 | ||
14689 | if (tid_conf->retry_short > rdev->wiphy.max_data_retry_count) | |
14690 | return -EINVAL; | |
14691 | } | |
14692 | ||
14693 | if (attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]) { | |
14694 | tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RETRY_LONG); | |
14695 | tid_conf->retry_long = | |
14696 | nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RETRY_LONG]); | |
14697 | ||
14698 | if (tid_conf->retry_long > rdev->wiphy.max_data_retry_count) | |
14699 | return -EINVAL; | |
14700 | } | |
14701 | ||
ade274b2 T |
14702 | if (attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]) { |
14703 | tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMPDU_CTRL); | |
14704 | tid_conf->ampdu = | |
14705 | nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMPDU_CTRL]); | |
14706 | } | |
14707 | ||
04f7d142 T |
14708 | if (attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]) { |
14709 | tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL); | |
14710 | tid_conf->rtscts = | |
14711 | nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_RTSCTS_CTRL]); | |
14712 | } | |
14713 | ||
33462e68 SM |
14714 | if (attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]) { |
14715 | tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_AMSDU_CTRL); | |
14716 | tid_conf->amsdu = | |
14717 | nla_get_u8(attrs[NL80211_TID_CONFIG_ATTR_AMSDU_CTRL]); | |
14718 | } | |
14719 | ||
9a5f6488 TC |
14720 | if (attrs[NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE]) { |
14721 | u32 idx = NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE, attr; | |
14722 | ||
14723 | tid_conf->txrate_type = nla_get_u8(attrs[idx]); | |
14724 | ||
14725 | if (tid_conf->txrate_type != NL80211_TX_RATE_AUTOMATIC) { | |
14726 | attr = NL80211_TID_CONFIG_ATTR_TX_RATE; | |
14727 | err = nl80211_parse_tx_bitrate_mask(info, attrs, attr, | |
857b34c4 RM |
14728 | &tid_conf->txrate_mask, dev, |
14729 | true); | |
9a5f6488 TC |
14730 | if (err) |
14731 | return err; | |
14732 | ||
14733 | tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE); | |
14734 | } | |
14735 | tid_conf->mask |= BIT(NL80211_TID_CONFIG_ATTR_TX_RATE_TYPE); | |
14736 | } | |
14737 | ||
3710a8a6 JB |
14738 | if (peer) |
14739 | mask = rdev->wiphy.tid_config_support.peer; | |
14740 | else | |
14741 | mask = rdev->wiphy.tid_config_support.vif; | |
14742 | ||
14743 | if (tid_conf->mask & ~mask) { | |
14744 | NL_SET_ERR_MSG(extack, "unsupported TID configuration"); | |
14745 | return -ENOTSUPP; | |
14746 | } | |
14747 | ||
77f576de T |
14748 | return 0; |
14749 | } | |
14750 | ||
14751 | static int nl80211_set_tid_config(struct sk_buff *skb, | |
14752 | struct genl_info *info) | |
14753 | { | |
14754 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
14755 | struct nlattr *attrs[NL80211_TID_CONFIG_ATTR_MAX + 1]; | |
14756 | struct net_device *dev = info->user_ptr[1]; | |
3710a8a6 | 14757 | struct cfg80211_tid_config *tid_config; |
77f576de T |
14758 | struct nlattr *tid; |
14759 | int conf_idx = 0, rem_conf; | |
14760 | int ret = -EINVAL; | |
14761 | u32 num_conf = 0; | |
14762 | ||
14763 | if (!info->attrs[NL80211_ATTR_TID_CONFIG]) | |
14764 | return -EINVAL; | |
14765 | ||
14766 | if (!rdev->ops->set_tid_config) | |
14767 | return -EOPNOTSUPP; | |
14768 | ||
14769 | nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG], | |
14770 | rem_conf) | |
14771 | num_conf++; | |
14772 | ||
14773 | tid_config = kzalloc(struct_size(tid_config, tid_conf, num_conf), | |
14774 | GFP_KERNEL); | |
14775 | if (!tid_config) | |
14776 | return -ENOMEM; | |
14777 | ||
14778 | tid_config->n_tid_conf = num_conf; | |
14779 | ||
14780 | if (info->attrs[NL80211_ATTR_MAC]) | |
14781 | tid_config->peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
14782 | ||
14783 | nla_for_each_nested(tid, info->attrs[NL80211_ATTR_TID_CONFIG], | |
14784 | rem_conf) { | |
14785 | ret = nla_parse_nested(attrs, NL80211_TID_CONFIG_ATTR_MAX, | |
14786 | tid, NULL, NULL); | |
14787 | ||
14788 | if (ret) | |
14789 | goto bad_tid_conf; | |
14790 | ||
14791 | ret = parse_tid_conf(rdev, attrs, dev, | |
14792 | &tid_config->tid_conf[conf_idx], | |
14793 | info, tid_config->peer); | |
14794 | if (ret) | |
14795 | goto bad_tid_conf; | |
14796 | ||
14797 | conf_idx++; | |
14798 | } | |
14799 | ||
14800 | ret = rdev_set_tid_config(rdev, dev, tid_config); | |
14801 | ||
14802 | bad_tid_conf: | |
14803 | kfree(tid_config); | |
14804 | return ret; | |
14805 | } | |
14806 | ||
0d2ab3ae JC |
14807 | static int nl80211_color_change(struct sk_buff *skb, struct genl_info *info) |
14808 | { | |
14809 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
14810 | struct cfg80211_color_change_settings params = {}; | |
14811 | struct net_device *dev = info->user_ptr[1]; | |
14812 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14813 | struct nlattr **tb; | |
14814 | u16 offset; | |
14815 | int err; | |
14816 | ||
14817 | if (!rdev->ops->color_change) | |
14818 | return -EOPNOTSUPP; | |
14819 | ||
14820 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
14821 | NL80211_EXT_FEATURE_BSS_COLOR)) | |
14822 | return -EOPNOTSUPP; | |
14823 | ||
14824 | if (wdev->iftype != NL80211_IFTYPE_AP) | |
14825 | return -EOPNOTSUPP; | |
14826 | ||
14827 | if (!info->attrs[NL80211_ATTR_COLOR_CHANGE_COUNT] || | |
14828 | !info->attrs[NL80211_ATTR_COLOR_CHANGE_COLOR] || | |
14829 | !info->attrs[NL80211_ATTR_COLOR_CHANGE_ELEMS]) | |
14830 | return -EINVAL; | |
14831 | ||
14832 | params.count = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COUNT]); | |
14833 | params.color = nla_get_u8(info->attrs[NL80211_ATTR_COLOR_CHANGE_COLOR]); | |
14834 | ||
14835 | err = nl80211_parse_beacon(rdev, info->attrs, ¶ms.beacon_next); | |
14836 | if (err) | |
14837 | return err; | |
14838 | ||
14839 | tb = kcalloc(NL80211_ATTR_MAX + 1, sizeof(*tb), GFP_KERNEL); | |
14840 | if (!tb) | |
14841 | return -ENOMEM; | |
14842 | ||
14843 | err = nla_parse_nested(tb, NL80211_ATTR_MAX, | |
14844 | info->attrs[NL80211_ATTR_COLOR_CHANGE_ELEMS], | |
14845 | nl80211_policy, info->extack); | |
14846 | if (err) | |
14847 | goto out; | |
14848 | ||
14849 | err = nl80211_parse_beacon(rdev, tb, ¶ms.beacon_color_change); | |
14850 | if (err) | |
14851 | goto out; | |
14852 | ||
14853 | if (!tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]) { | |
14854 | err = -EINVAL; | |
14855 | goto out; | |
14856 | } | |
14857 | ||
14858 | if (nla_len(tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]) != sizeof(u16)) { | |
14859 | err = -EINVAL; | |
14860 | goto out; | |
14861 | } | |
14862 | ||
14863 | offset = nla_get_u16(tb[NL80211_ATTR_CNTDWN_OFFS_BEACON]); | |
14864 | if (offset >= params.beacon_color_change.tail_len) { | |
14865 | err = -EINVAL; | |
14866 | goto out; | |
14867 | } | |
14868 | ||
14869 | if (params.beacon_color_change.tail[offset] != params.count) { | |
14870 | err = -EINVAL; | |
14871 | goto out; | |
14872 | } | |
14873 | ||
14874 | params.counter_offset_beacon = offset; | |
14875 | ||
14876 | if (tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]) { | |
14877 | if (nla_len(tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]) != | |
14878 | sizeof(u16)) { | |
14879 | err = -EINVAL; | |
14880 | goto out; | |
14881 | } | |
14882 | ||
14883 | offset = nla_get_u16(tb[NL80211_ATTR_CNTDWN_OFFS_PRESP]); | |
14884 | if (offset >= params.beacon_color_change.probe_resp_len) { | |
14885 | err = -EINVAL; | |
14886 | goto out; | |
14887 | } | |
14888 | ||
14889 | if (params.beacon_color_change.probe_resp[offset] != | |
14890 | params.count) { | |
14891 | err = -EINVAL; | |
14892 | goto out; | |
14893 | } | |
14894 | ||
14895 | params.counter_offset_presp = offset; | |
14896 | } | |
14897 | ||
14898 | wdev_lock(wdev); | |
14899 | err = rdev_color_change(rdev, dev, ¶ms); | |
14900 | wdev_unlock(wdev); | |
14901 | ||
14902 | out: | |
14903 | kfree(tb); | |
14904 | return err; | |
14905 | } | |
14906 | ||
4c476991 JB |
14907 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
14908 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
14909 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
14910 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
14911 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
14912 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 14913 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 14914 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
14915 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
14916 | NL80211_FLAG_CHECK_NETDEV_UP) | |
5393b917 | 14917 | #define NL80211_FLAG_CLEAR_SKB 0x20 |
77cbf790 | 14918 | #define NL80211_FLAG_NO_WIPHY_MTX 0x40 |
4c476991 | 14919 | |
f84f771d | 14920 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
14921 | struct genl_info *info) |
14922 | { | |
a05829a7 | 14923 | struct cfg80211_registered_device *rdev = NULL; |
89a54e48 | 14924 | struct wireless_dev *wdev; |
4c476991 | 14925 | struct net_device *dev; |
4c476991 | 14926 | |
a05829a7 | 14927 | rtnl_lock(); |
4c476991 | 14928 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { |
4f7eff10 | 14929 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 | 14930 | if (IS_ERR(rdev)) { |
a05829a7 | 14931 | rtnl_unlock(); |
4c476991 JB |
14932 | return PTR_ERR(rdev); |
14933 | } | |
14934 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
14935 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
14936 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
a05829a7 | 14937 | wdev = __cfg80211_wdev_from_attrs(NULL, genl_info_net(info), |
89a54e48 JB |
14938 | info->attrs); |
14939 | if (IS_ERR(wdev)) { | |
a05829a7 | 14940 | rtnl_unlock(); |
89a54e48 | 14941 | return PTR_ERR(wdev); |
4c476991 | 14942 | } |
89a54e48 | 14943 | |
89a54e48 | 14944 | dev = wdev->netdev; |
f26cbf40 | 14945 | rdev = wiphy_to_rdev(wdev->wiphy); |
89a54e48 | 14946 | |
1bf614ef JB |
14947 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
14948 | if (!dev) { | |
a05829a7 | 14949 | rtnl_unlock(); |
1bf614ef JB |
14950 | return -EINVAL; |
14951 | } | |
14952 | ||
14953 | info->user_ptr[1] = dev; | |
14954 | } else { | |
14955 | info->user_ptr[1] = wdev; | |
41265714 | 14956 | } |
1bf614ef | 14957 | |
73c7da3d AVS |
14958 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && |
14959 | !wdev_running(wdev)) { | |
a05829a7 | 14960 | rtnl_unlock(); |
73c7da3d AVS |
14961 | return -ENETDOWN; |
14962 | } | |
1bf614ef | 14963 | |
1160dfa1 | 14964 | dev_hold(dev); |
4c476991 | 14965 | info->user_ptr[0] = rdev; |
4c476991 JB |
14966 | } |
14967 | ||
77cbf790 | 14968 | if (rdev && !(ops->internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) { |
a05829a7 JB |
14969 | wiphy_lock(&rdev->wiphy); |
14970 | /* we keep the mutex locked until post_doit */ | |
14971 | __release(&rdev->wiphy.mtx); | |
14972 | } | |
14973 | if (!(ops->internal_flags & NL80211_FLAG_NEED_RTNL)) | |
14974 | rtnl_unlock(); | |
14975 | ||
4c476991 JB |
14976 | return 0; |
14977 | } | |
14978 | ||
f84f771d | 14979 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
14980 | struct genl_info *info) |
14981 | { | |
1bf614ef JB |
14982 | if (info->user_ptr[1]) { |
14983 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
14984 | struct wireless_dev *wdev = info->user_ptr[1]; | |
14985 | ||
1160dfa1 | 14986 | dev_put(wdev->netdev); |
1bf614ef JB |
14987 | } else { |
14988 | dev_put(info->user_ptr[1]); | |
14989 | } | |
14990 | } | |
5393b917 | 14991 | |
77cbf790 JB |
14992 | if (info->user_ptr[0] && |
14993 | !(ops->internal_flags & NL80211_FLAG_NO_WIPHY_MTX)) { | |
a05829a7 JB |
14994 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
14995 | ||
14996 | /* we kept the mutex locked since pre_doit */ | |
14997 | __acquire(&rdev->wiphy.mtx); | |
14998 | wiphy_unlock(&rdev->wiphy); | |
14999 | } | |
15000 | ||
4c476991 JB |
15001 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
15002 | rtnl_unlock(); | |
5393b917 JB |
15003 | |
15004 | /* If needed, clear the netlink message payload from the SKB | |
15005 | * as it might contain key data that shouldn't stick around on | |
15006 | * the heap after the SKB is freed. The netlink message header | |
15007 | * is still needed for further processing, so leave it intact. | |
15008 | */ | |
15009 | if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) { | |
15010 | struct nlmsghdr *nlh = nlmsg_hdr(skb); | |
15011 | ||
15012 | memset(nlmsg_data(nlh), 0, nlmsg_len(nlh)); | |
15013 | } | |
4c476991 JB |
15014 | } |
15015 | ||
6bdb68ce CH |
15016 | static int nl80211_set_sar_sub_specs(struct cfg80211_registered_device *rdev, |
15017 | struct cfg80211_sar_specs *sar_specs, | |
15018 | struct nlattr *spec[], int index) | |
15019 | { | |
15020 | u32 range_index, i; | |
15021 | ||
15022 | if (!sar_specs || !spec) | |
15023 | return -EINVAL; | |
15024 | ||
15025 | if (!spec[NL80211_SAR_ATTR_SPECS_POWER] || | |
15026 | !spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX]) | |
15027 | return -EINVAL; | |
15028 | ||
15029 | range_index = nla_get_u32(spec[NL80211_SAR_ATTR_SPECS_RANGE_INDEX]); | |
15030 | ||
15031 | /* check if range_index exceeds num_freq_ranges */ | |
15032 | if (range_index >= rdev->wiphy.sar_capa->num_freq_ranges) | |
15033 | return -EINVAL; | |
15034 | ||
15035 | /* check if range_index duplicates */ | |
15036 | for (i = 0; i < index; i++) { | |
15037 | if (sar_specs->sub_specs[i].freq_range_index == range_index) | |
15038 | return -EINVAL; | |
15039 | } | |
15040 | ||
15041 | sar_specs->sub_specs[index].power = | |
15042 | nla_get_s32(spec[NL80211_SAR_ATTR_SPECS_POWER]); | |
15043 | ||
15044 | sar_specs->sub_specs[index].freq_range_index = range_index; | |
15045 | ||
15046 | return 0; | |
15047 | } | |
15048 | ||
15049 | static int nl80211_set_sar_specs(struct sk_buff *skb, struct genl_info *info) | |
15050 | { | |
15051 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
15052 | struct nlattr *spec[NL80211_SAR_ATTR_SPECS_MAX + 1]; | |
15053 | struct nlattr *tb[NL80211_SAR_ATTR_MAX + 1]; | |
15054 | struct cfg80211_sar_specs *sar_spec; | |
15055 | enum nl80211_sar_type type; | |
15056 | struct nlattr *spec_list; | |
15057 | u32 specs; | |
15058 | int rem, err; | |
15059 | ||
15060 | if (!rdev->wiphy.sar_capa || !rdev->ops->set_sar_specs) | |
15061 | return -EOPNOTSUPP; | |
15062 | ||
15063 | if (!info->attrs[NL80211_ATTR_SAR_SPEC]) | |
15064 | return -EINVAL; | |
15065 | ||
15066 | nla_parse_nested(tb, NL80211_SAR_ATTR_MAX, | |
15067 | info->attrs[NL80211_ATTR_SAR_SPEC], | |
15068 | NULL, NULL); | |
15069 | ||
15070 | if (!tb[NL80211_SAR_ATTR_TYPE] || !tb[NL80211_SAR_ATTR_SPECS]) | |
15071 | return -EINVAL; | |
15072 | ||
15073 | type = nla_get_u32(tb[NL80211_SAR_ATTR_TYPE]); | |
15074 | if (type != rdev->wiphy.sar_capa->type) | |
15075 | return -EINVAL; | |
15076 | ||
15077 | specs = 0; | |
15078 | nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem) | |
15079 | specs++; | |
15080 | ||
15081 | if (specs > rdev->wiphy.sar_capa->num_freq_ranges) | |
15082 | return -EINVAL; | |
15083 | ||
15084 | sar_spec = kzalloc(sizeof(*sar_spec) + | |
15085 | specs * sizeof(struct cfg80211_sar_sub_specs), | |
15086 | GFP_KERNEL); | |
15087 | if (!sar_spec) | |
15088 | return -ENOMEM; | |
15089 | ||
15090 | sar_spec->type = type; | |
15091 | specs = 0; | |
15092 | nla_for_each_nested(spec_list, tb[NL80211_SAR_ATTR_SPECS], rem) { | |
15093 | nla_parse_nested(spec, NL80211_SAR_ATTR_SPECS_MAX, | |
15094 | spec_list, NULL, NULL); | |
15095 | ||
15096 | switch (type) { | |
15097 | case NL80211_SAR_TYPE_POWER: | |
15098 | if (nl80211_set_sar_sub_specs(rdev, sar_spec, | |
15099 | spec, specs)) { | |
15100 | err = -EINVAL; | |
15101 | goto error; | |
15102 | } | |
15103 | break; | |
15104 | default: | |
15105 | err = -EINVAL; | |
15106 | goto error; | |
15107 | } | |
15108 | specs++; | |
15109 | } | |
15110 | ||
15111 | sar_spec->num_sub_specs = specs; | |
15112 | ||
15113 | rdev->cur_cmd_info = info; | |
15114 | err = rdev_set_sar_specs(rdev, sar_spec); | |
15115 | rdev->cur_cmd_info = NULL; | |
15116 | error: | |
15117 | kfree(sar_spec); | |
15118 | return err; | |
15119 | } | |
15120 | ||
4534de83 | 15121 | static const struct genl_ops nl80211_ops[] = { |
55682965 JB |
15122 | { |
15123 | .cmd = NL80211_CMD_GET_WIPHY, | |
ef6243ac | 15124 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
55682965 JB |
15125 | .doit = nl80211_get_wiphy, |
15126 | .dumpit = nl80211_dump_wiphy, | |
86e8cf98 | 15127 | .done = nl80211_dump_wiphy_done, |
55682965 | 15128 | /* can be retrieved by unprivileged users */ |
a05829a7 | 15129 | .internal_flags = NL80211_FLAG_NEED_WIPHY, |
55682965 | 15130 | }, |
66a9b928 JK |
15131 | }; |
15132 | ||
15133 | static const struct genl_small_ops nl80211_small_ops[] = { | |
55682965 JB |
15134 | { |
15135 | .cmd = NL80211_CMD_SET_WIPHY, | |
ef6243ac | 15136 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
55682965 | 15137 | .doit = nl80211_set_wiphy, |
5617c6cd | 15138 | .flags = GENL_UNS_ADMIN_PERM, |
55682965 JB |
15139 | }, |
15140 | { | |
15141 | .cmd = NL80211_CMD_GET_INTERFACE, | |
ef6243ac | 15142 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
55682965 JB |
15143 | .doit = nl80211_get_interface, |
15144 | .dumpit = nl80211_dump_interface, | |
55682965 | 15145 | /* can be retrieved by unprivileged users */ |
a05829a7 | 15146 | .internal_flags = NL80211_FLAG_NEED_WDEV, |
55682965 JB |
15147 | }, |
15148 | { | |
15149 | .cmd = NL80211_CMD_SET_INTERFACE, | |
ef6243ac | 15150 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
55682965 | 15151 | .doit = nl80211_set_interface, |
5617c6cd | 15152 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
15153 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
15154 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
15155 | }, |
15156 | { | |
15157 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
ef6243ac | 15158 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
55682965 | 15159 | .doit = nl80211_new_interface, |
5617c6cd | 15160 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 | 15161 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
ea6b2098 JB |
15162 | NL80211_FLAG_NEED_RTNL | |
15163 | /* we take the wiphy mutex later ourselves */ | |
15164 | NL80211_FLAG_NO_WIPHY_MTX, | |
55682965 JB |
15165 | }, |
15166 | { | |
15167 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
ef6243ac | 15168 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
55682965 | 15169 | .doit = nl80211_del_interface, |
5617c6cd | 15170 | .flags = GENL_UNS_ADMIN_PERM, |
84efbb84 | 15171 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 15172 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
15173 | }, |
15174 | { | |
15175 | .cmd = NL80211_CMD_GET_KEY, | |
ef6243ac | 15176 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
41ade00f | 15177 | .doit = nl80211_get_key, |
5617c6cd | 15178 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15179 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
41ade00f JB |
15180 | }, |
15181 | { | |
15182 | .cmd = NL80211_CMD_SET_KEY, | |
ef6243ac | 15183 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
41ade00f | 15184 | .doit = nl80211_set_key, |
5617c6cd | 15185 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 15186 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 | 15187 | NL80211_FLAG_CLEAR_SKB, |
41ade00f JB |
15188 | }, |
15189 | { | |
15190 | .cmd = NL80211_CMD_NEW_KEY, | |
ef6243ac | 15191 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
41ade00f | 15192 | .doit = nl80211_new_key, |
5617c6cd | 15193 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 15194 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 | 15195 | NL80211_FLAG_CLEAR_SKB, |
41ade00f JB |
15196 | }, |
15197 | { | |
15198 | .cmd = NL80211_CMD_DEL_KEY, | |
ef6243ac | 15199 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
41ade00f | 15200 | .doit = nl80211_del_key, |
5617c6cd | 15201 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15202 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
55682965 | 15203 | }, |
ed1b6cc7 JB |
15204 | { |
15205 | .cmd = NL80211_CMD_SET_BEACON, | |
ef6243ac | 15206 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
5617c6cd | 15207 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 15208 | .doit = nl80211_set_beacon, |
a05829a7 | 15209 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
ed1b6cc7 JB |
15210 | }, |
15211 | { | |
8860020e | 15212 | .cmd = NL80211_CMD_START_AP, |
ef6243ac | 15213 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
5617c6cd | 15214 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 15215 | .doit = nl80211_start_ap, |
a05829a7 | 15216 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
ed1b6cc7 JB |
15217 | }, |
15218 | { | |
8860020e | 15219 | .cmd = NL80211_CMD_STOP_AP, |
ef6243ac | 15220 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
5617c6cd | 15221 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 15222 | .doit = nl80211_stop_ap, |
a05829a7 | 15223 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
ed1b6cc7 | 15224 | }, |
5727ef1b JB |
15225 | { |
15226 | .cmd = NL80211_CMD_GET_STATION, | |
ef6243ac | 15227 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
5727ef1b | 15228 | .doit = nl80211_get_station, |
2ec600d6 | 15229 | .dumpit = nl80211_dump_station, |
a05829a7 | 15230 | .internal_flags = NL80211_FLAG_NEED_NETDEV, |
5727ef1b JB |
15231 | }, |
15232 | { | |
15233 | .cmd = NL80211_CMD_SET_STATION, | |
ef6243ac | 15234 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
5727ef1b | 15235 | .doit = nl80211_set_station, |
5617c6cd | 15236 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15237 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
5727ef1b JB |
15238 | }, |
15239 | { | |
15240 | .cmd = NL80211_CMD_NEW_STATION, | |
ef6243ac | 15241 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
5727ef1b | 15242 | .doit = nl80211_new_station, |
5617c6cd | 15243 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15244 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
5727ef1b JB |
15245 | }, |
15246 | { | |
15247 | .cmd = NL80211_CMD_DEL_STATION, | |
ef6243ac | 15248 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
5727ef1b | 15249 | .doit = nl80211_del_station, |
5617c6cd | 15250 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15251 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
2ec600d6 LCC |
15252 | }, |
15253 | { | |
15254 | .cmd = NL80211_CMD_GET_MPATH, | |
ef6243ac | 15255 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
2ec600d6 LCC |
15256 | .doit = nl80211_get_mpath, |
15257 | .dumpit = nl80211_dump_mpath, | |
5617c6cd | 15258 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15259 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
2ec600d6 | 15260 | }, |
66be7d2b HR |
15261 | { |
15262 | .cmd = NL80211_CMD_GET_MPP, | |
ef6243ac | 15263 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
66be7d2b HR |
15264 | .doit = nl80211_get_mpp, |
15265 | .dumpit = nl80211_dump_mpp, | |
5617c6cd | 15266 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15267 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
66be7d2b | 15268 | }, |
2ec600d6 LCC |
15269 | { |
15270 | .cmd = NL80211_CMD_SET_MPATH, | |
ef6243ac | 15271 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
2ec600d6 | 15272 | .doit = nl80211_set_mpath, |
5617c6cd | 15273 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15274 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
2ec600d6 LCC |
15275 | }, |
15276 | { | |
15277 | .cmd = NL80211_CMD_NEW_MPATH, | |
ef6243ac | 15278 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
2ec600d6 | 15279 | .doit = nl80211_new_mpath, |
5617c6cd | 15280 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15281 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
2ec600d6 LCC |
15282 | }, |
15283 | { | |
15284 | .cmd = NL80211_CMD_DEL_MPATH, | |
ef6243ac | 15285 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
2ec600d6 | 15286 | .doit = nl80211_del_mpath, |
5617c6cd | 15287 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15288 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
9f1ba906 JM |
15289 | }, |
15290 | { | |
15291 | .cmd = NL80211_CMD_SET_BSS, | |
ef6243ac | 15292 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
9f1ba906 | 15293 | .doit = nl80211_set_bss, |
5617c6cd | 15294 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15295 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
b2e1b302 | 15296 | }, |
f130347c LR |
15297 | { |
15298 | .cmd = NL80211_CMD_GET_REG, | |
ef6243ac | 15299 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
ad30ca2c AN |
15300 | .doit = nl80211_get_reg_do, |
15301 | .dumpit = nl80211_get_reg_dump, | |
a05829a7 | 15302 | .internal_flags = 0, |
f130347c LR |
15303 | /* can be retrieved by unprivileged users */ |
15304 | }, | |
b6863036 | 15305 | #ifdef CONFIG_CFG80211_CRDA_SUPPORT |
b2e1b302 LR |
15306 | { |
15307 | .cmd = NL80211_CMD_SET_REG, | |
ef6243ac | 15308 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
b2e1b302 | 15309 | .doit = nl80211_set_reg, |
b2e1b302 | 15310 | .flags = GENL_ADMIN_PERM, |
a05829a7 | 15311 | .internal_flags = 0, |
b2e1b302 | 15312 | }, |
b6863036 | 15313 | #endif |
b2e1b302 LR |
15314 | { |
15315 | .cmd = NL80211_CMD_REQ_SET_REG, | |
ef6243ac | 15316 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
b2e1b302 | 15317 | .doit = nl80211_req_set_reg, |
93da9cc1 | 15318 | .flags = GENL_ADMIN_PERM, |
15319 | }, | |
1ea4ff3e JB |
15320 | { |
15321 | .cmd = NL80211_CMD_RELOAD_REGDB, | |
ef6243ac | 15322 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
1ea4ff3e | 15323 | .doit = nl80211_reload_regdb, |
1ea4ff3e JB |
15324 | .flags = GENL_ADMIN_PERM, |
15325 | }, | |
93da9cc1 | 15326 | { |
24bdd9f4 | 15327 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
ef6243ac | 15328 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
24bdd9f4 | 15329 | .doit = nl80211_get_mesh_config, |
93da9cc1 | 15330 | /* can be retrieved by unprivileged users */ |
a05829a7 | 15331 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
93da9cc1 | 15332 | }, |
15333 | { | |
24bdd9f4 | 15334 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
ef6243ac | 15335 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
24bdd9f4 | 15336 | .doit = nl80211_update_mesh_config, |
5617c6cd | 15337 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15338 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
9aed3cc1 | 15339 | }, |
2a519311 JB |
15340 | { |
15341 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
ef6243ac | 15342 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
2a519311 | 15343 | .doit = nl80211_trigger_scan, |
5617c6cd | 15344 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15345 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP, |
2a519311 | 15346 | }, |
91d3ab46 VK |
15347 | { |
15348 | .cmd = NL80211_CMD_ABORT_SCAN, | |
ef6243ac | 15349 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
91d3ab46 | 15350 | .doit = nl80211_abort_scan, |
5617c6cd | 15351 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15352 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP, |
91d3ab46 | 15353 | }, |
2a519311 JB |
15354 | { |
15355 | .cmd = NL80211_CMD_GET_SCAN, | |
ef6243ac | 15356 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
2a519311 JB |
15357 | .dumpit = nl80211_dump_scan, |
15358 | }, | |
807f8a8c LC |
15359 | { |
15360 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
ef6243ac | 15361 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
807f8a8c | 15362 | .doit = nl80211_start_sched_scan, |
5617c6cd | 15363 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15364 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
807f8a8c LC |
15365 | }, |
15366 | { | |
15367 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
ef6243ac | 15368 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
807f8a8c | 15369 | .doit = nl80211_stop_sched_scan, |
5617c6cd | 15370 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15371 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
807f8a8c | 15372 | }, |
636a5d36 JM |
15373 | { |
15374 | .cmd = NL80211_CMD_AUTHENTICATE, | |
ef6243ac | 15375 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
636a5d36 | 15376 | .doit = nl80211_authenticate, |
5617c6cd | 15377 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 15378 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
a05829a7 | 15379 | 0 | |
5393b917 | 15380 | NL80211_FLAG_CLEAR_SKB, |
636a5d36 JM |
15381 | }, |
15382 | { | |
15383 | .cmd = NL80211_CMD_ASSOCIATE, | |
ef6243ac | 15384 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
636a5d36 | 15385 | .doit = nl80211_associate, |
5617c6cd | 15386 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 15387 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
a05829a7 | 15388 | 0 | |
d6db02a8 | 15389 | NL80211_FLAG_CLEAR_SKB, |
636a5d36 JM |
15390 | }, |
15391 | { | |
15392 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
ef6243ac | 15393 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
636a5d36 | 15394 | .doit = nl80211_deauthenticate, |
5617c6cd | 15395 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15396 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
636a5d36 JM |
15397 | }, |
15398 | { | |
15399 | .cmd = NL80211_CMD_DISASSOCIATE, | |
ef6243ac | 15400 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
636a5d36 | 15401 | .doit = nl80211_disassociate, |
5617c6cd | 15402 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15403 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
636a5d36 | 15404 | }, |
04a773ad JB |
15405 | { |
15406 | .cmd = NL80211_CMD_JOIN_IBSS, | |
ef6243ac | 15407 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
04a773ad | 15408 | .doit = nl80211_join_ibss, |
5617c6cd | 15409 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15410 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
04a773ad JB |
15411 | }, |
15412 | { | |
15413 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
ef6243ac | 15414 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
04a773ad | 15415 | .doit = nl80211_leave_ibss, |
5617c6cd | 15416 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15417 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
04a773ad | 15418 | }, |
aff89a9b JB |
15419 | #ifdef CONFIG_NL80211_TESTMODE |
15420 | { | |
15421 | .cmd = NL80211_CMD_TESTMODE, | |
ef6243ac | 15422 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
aff89a9b | 15423 | .doit = nl80211_testmode_do, |
71063f0e | 15424 | .dumpit = nl80211_testmode_dump, |
5617c6cd | 15425 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15426 | .internal_flags = NL80211_FLAG_NEED_WIPHY, |
aff89a9b JB |
15427 | }, |
15428 | #endif | |
b23aa676 SO |
15429 | { |
15430 | .cmd = NL80211_CMD_CONNECT, | |
ef6243ac | 15431 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
b23aa676 | 15432 | .doit = nl80211_connect, |
5617c6cd | 15433 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 15434 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
a05829a7 | 15435 | 0 | |
d6db02a8 | 15436 | NL80211_FLAG_CLEAR_SKB, |
b23aa676 | 15437 | }, |
088e8df8 | 15438 | { |
15439 | .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS, | |
ef6243ac | 15440 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
088e8df8 | 15441 | .doit = nl80211_update_connect_params, |
088e8df8 | 15442 | .flags = GENL_ADMIN_PERM, |
15443 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
a05829a7 | 15444 | 0 | |
d6db02a8 | 15445 | NL80211_FLAG_CLEAR_SKB, |
088e8df8 | 15446 | }, |
b23aa676 SO |
15447 | { |
15448 | .cmd = NL80211_CMD_DISCONNECT, | |
ef6243ac | 15449 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
b23aa676 | 15450 | .doit = nl80211_disconnect, |
5617c6cd | 15451 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15452 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
b23aa676 | 15453 | }, |
463d0183 JB |
15454 | { |
15455 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
ef6243ac | 15456 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
463d0183 | 15457 | .doit = nl80211_wiphy_netns, |
5617c6cd | 15458 | .flags = GENL_UNS_ADMIN_PERM, |
77cbf790 JB |
15459 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
15460 | NL80211_FLAG_NEED_RTNL | | |
15461 | NL80211_FLAG_NO_WIPHY_MTX, | |
463d0183 | 15462 | }, |
61fa713c HS |
15463 | { |
15464 | .cmd = NL80211_CMD_GET_SURVEY, | |
ef6243ac | 15465 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
61fa713c HS |
15466 | .dumpit = nl80211_dump_survey, |
15467 | }, | |
67fbb16b SO |
15468 | { |
15469 | .cmd = NL80211_CMD_SET_PMKSA, | |
ef6243ac | 15470 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
67fbb16b | 15471 | .doit = nl80211_setdel_pmksa, |
5617c6cd | 15472 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 15473 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
a05829a7 | 15474 | 0 | |
d6db02a8 | 15475 | NL80211_FLAG_CLEAR_SKB, |
67fbb16b SO |
15476 | }, |
15477 | { | |
15478 | .cmd = NL80211_CMD_DEL_PMKSA, | |
ef6243ac | 15479 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
67fbb16b | 15480 | .doit = nl80211_setdel_pmksa, |
5617c6cd | 15481 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15482 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
67fbb16b SO |
15483 | }, |
15484 | { | |
15485 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
ef6243ac | 15486 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
67fbb16b | 15487 | .doit = nl80211_flush_pmksa, |
5617c6cd | 15488 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15489 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
67fbb16b | 15490 | }, |
9588bbd5 JM |
15491 | { |
15492 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
ef6243ac | 15493 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
9588bbd5 | 15494 | .doit = nl80211_remain_on_channel, |
5617c6cd | 15495 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15496 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP, |
9588bbd5 JM |
15497 | }, |
15498 | { | |
15499 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
ef6243ac | 15500 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
9588bbd5 | 15501 | .doit = nl80211_cancel_remain_on_channel, |
5617c6cd | 15502 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15503 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP, |
9588bbd5 | 15504 | }, |
13ae75b1 JM |
15505 | { |
15506 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
ef6243ac | 15507 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
13ae75b1 | 15508 | .doit = nl80211_set_tx_bitrate_mask, |
5617c6cd | 15509 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15510 | .internal_flags = NL80211_FLAG_NEED_NETDEV, |
13ae75b1 | 15511 | }, |
026331c4 | 15512 | { |
2e161f78 | 15513 | .cmd = NL80211_CMD_REGISTER_FRAME, |
ef6243ac | 15514 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
2e161f78 | 15515 | .doit = nl80211_register_mgmt, |
5617c6cd | 15516 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15517 | .internal_flags = NL80211_FLAG_NEED_WDEV, |
026331c4 JM |
15518 | }, |
15519 | { | |
2e161f78 | 15520 | .cmd = NL80211_CMD_FRAME, |
ef6243ac | 15521 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
2e161f78 | 15522 | .doit = nl80211_tx_mgmt, |
5617c6cd | 15523 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15524 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP, |
f7ca38df JB |
15525 | }, |
15526 | { | |
15527 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
ef6243ac | 15528 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
f7ca38df | 15529 | .doit = nl80211_tx_mgmt_cancel_wait, |
5617c6cd | 15530 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15531 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP, |
026331c4 | 15532 | }, |
ffb9eb3d KV |
15533 | { |
15534 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
ef6243ac | 15535 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
ffb9eb3d | 15536 | .doit = nl80211_set_power_save, |
5617c6cd | 15537 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15538 | .internal_flags = NL80211_FLAG_NEED_NETDEV, |
ffb9eb3d KV |
15539 | }, |
15540 | { | |
15541 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
ef6243ac | 15542 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
ffb9eb3d | 15543 | .doit = nl80211_get_power_save, |
ffb9eb3d | 15544 | /* can be retrieved by unprivileged users */ |
a05829a7 | 15545 | .internal_flags = NL80211_FLAG_NEED_NETDEV, |
ffb9eb3d | 15546 | }, |
d6dc1a38 JO |
15547 | { |
15548 | .cmd = NL80211_CMD_SET_CQM, | |
ef6243ac | 15549 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
d6dc1a38 | 15550 | .doit = nl80211_set_cqm, |
5617c6cd | 15551 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15552 | .internal_flags = NL80211_FLAG_NEED_NETDEV, |
d6dc1a38 | 15553 | }, |
f444de05 JB |
15554 | { |
15555 | .cmd = NL80211_CMD_SET_CHANNEL, | |
ef6243ac | 15556 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
f444de05 | 15557 | .doit = nl80211_set_channel, |
5617c6cd | 15558 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15559 | .internal_flags = NL80211_FLAG_NEED_NETDEV, |
f444de05 | 15560 | }, |
29cbe68c JB |
15561 | { |
15562 | .cmd = NL80211_CMD_JOIN_MESH, | |
ef6243ac | 15563 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
29cbe68c | 15564 | .doit = nl80211_join_mesh, |
5617c6cd | 15565 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15566 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
29cbe68c JB |
15567 | }, |
15568 | { | |
15569 | .cmd = NL80211_CMD_LEAVE_MESH, | |
ef6243ac | 15570 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
29cbe68c | 15571 | .doit = nl80211_leave_mesh, |
5617c6cd | 15572 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15573 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
29cbe68c | 15574 | }, |
6e0bd6c3 RL |
15575 | { |
15576 | .cmd = NL80211_CMD_JOIN_OCB, | |
ef6243ac | 15577 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
6e0bd6c3 | 15578 | .doit = nl80211_join_ocb, |
5617c6cd | 15579 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15580 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
6e0bd6c3 RL |
15581 | }, |
15582 | { | |
15583 | .cmd = NL80211_CMD_LEAVE_OCB, | |
ef6243ac | 15584 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
6e0bd6c3 | 15585 | .doit = nl80211_leave_ocb, |
5617c6cd | 15586 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15587 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
6e0bd6c3 | 15588 | }, |
dfb89c56 | 15589 | #ifdef CONFIG_PM |
ff1b6e69 JB |
15590 | { |
15591 | .cmd = NL80211_CMD_GET_WOWLAN, | |
ef6243ac | 15592 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
ff1b6e69 | 15593 | .doit = nl80211_get_wowlan, |
ff1b6e69 | 15594 | /* can be retrieved by unprivileged users */ |
a05829a7 | 15595 | .internal_flags = NL80211_FLAG_NEED_WIPHY, |
ff1b6e69 JB |
15596 | }, |
15597 | { | |
15598 | .cmd = NL80211_CMD_SET_WOWLAN, | |
ef6243ac | 15599 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
ff1b6e69 | 15600 | .doit = nl80211_set_wowlan, |
5617c6cd | 15601 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15602 | .internal_flags = NL80211_FLAG_NEED_WIPHY, |
ff1b6e69 | 15603 | }, |
dfb89c56 | 15604 | #endif |
e5497d76 JB |
15605 | { |
15606 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
ef6243ac | 15607 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
e5497d76 | 15608 | .doit = nl80211_set_rekey_data, |
5617c6cd | 15609 | .flags = GENL_UNS_ADMIN_PERM, |
e5497d76 | 15610 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
a05829a7 | 15611 | 0 | |
5393b917 | 15612 | NL80211_FLAG_CLEAR_SKB, |
e5497d76 | 15613 | }, |
109086ce AN |
15614 | { |
15615 | .cmd = NL80211_CMD_TDLS_MGMT, | |
ef6243ac | 15616 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
109086ce | 15617 | .doit = nl80211_tdls_mgmt, |
5617c6cd | 15618 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15619 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
109086ce AN |
15620 | }, |
15621 | { | |
15622 | .cmd = NL80211_CMD_TDLS_OPER, | |
ef6243ac | 15623 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
109086ce | 15624 | .doit = nl80211_tdls_oper, |
5617c6cd | 15625 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15626 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
109086ce | 15627 | }, |
28946da7 JB |
15628 | { |
15629 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
ef6243ac | 15630 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
28946da7 | 15631 | .doit = nl80211_register_unexpected_frame, |
5617c6cd | 15632 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15633 | .internal_flags = NL80211_FLAG_NEED_NETDEV, |
28946da7 | 15634 | }, |
7f6cf311 JB |
15635 | { |
15636 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
ef6243ac | 15637 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
7f6cf311 | 15638 | .doit = nl80211_probe_client, |
5617c6cd | 15639 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15640 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
7f6cf311 | 15641 | }, |
5e760230 JB |
15642 | { |
15643 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
ef6243ac | 15644 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
5e760230 | 15645 | .doit = nl80211_register_beacons, |
5617c6cd | 15646 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15647 | .internal_flags = NL80211_FLAG_NEED_WIPHY, |
5e760230 | 15648 | }, |
1d9d9213 SW |
15649 | { |
15650 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
ef6243ac | 15651 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
1d9d9213 | 15652 | .doit = nl80211_set_noack_map, |
5617c6cd | 15653 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15654 | .internal_flags = NL80211_FLAG_NEED_NETDEV, |
1d9d9213 | 15655 | }, |
98104fde JB |
15656 | { |
15657 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
ef6243ac | 15658 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
98104fde | 15659 | .doit = nl80211_start_p2p_device, |
5617c6cd | 15660 | .flags = GENL_UNS_ADMIN_PERM, |
98104fde JB |
15661 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
15662 | NL80211_FLAG_NEED_RTNL, | |
15663 | }, | |
15664 | { | |
15665 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
ef6243ac | 15666 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
98104fde | 15667 | .doit = nl80211_stop_p2p_device, |
5617c6cd | 15668 | .flags = GENL_UNS_ADMIN_PERM, |
98104fde JB |
15669 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
15670 | NL80211_FLAG_NEED_RTNL, | |
cb3b7d87 AB |
15671 | }, |
15672 | { | |
15673 | .cmd = NL80211_CMD_START_NAN, | |
ef6243ac | 15674 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
cb3b7d87 | 15675 | .doit = nl80211_start_nan, |
cb3b7d87 AB |
15676 | .flags = GENL_ADMIN_PERM, |
15677 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
15678 | NL80211_FLAG_NEED_RTNL, | |
15679 | }, | |
15680 | { | |
15681 | .cmd = NL80211_CMD_STOP_NAN, | |
ef6243ac | 15682 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
cb3b7d87 | 15683 | .doit = nl80211_stop_nan, |
cb3b7d87 AB |
15684 | .flags = GENL_ADMIN_PERM, |
15685 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
15686 | NL80211_FLAG_NEED_RTNL, | |
a442b761 AB |
15687 | }, |
15688 | { | |
15689 | .cmd = NL80211_CMD_ADD_NAN_FUNCTION, | |
ef6243ac | 15690 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
a442b761 | 15691 | .doit = nl80211_nan_add_func, |
a442b761 | 15692 | .flags = GENL_ADMIN_PERM, |
a05829a7 | 15693 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP, |
a442b761 AB |
15694 | }, |
15695 | { | |
15696 | .cmd = NL80211_CMD_DEL_NAN_FUNCTION, | |
ef6243ac | 15697 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
a442b761 | 15698 | .doit = nl80211_nan_del_func, |
a442b761 | 15699 | .flags = GENL_ADMIN_PERM, |
a05829a7 | 15700 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP, |
a5a9dcf2 AB |
15701 | }, |
15702 | { | |
15703 | .cmd = NL80211_CMD_CHANGE_NAN_CONFIG, | |
ef6243ac | 15704 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
a5a9dcf2 | 15705 | .doit = nl80211_nan_change_config, |
a5a9dcf2 | 15706 | .flags = GENL_ADMIN_PERM, |
a05829a7 | 15707 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP, |
98104fde | 15708 | }, |
f4e583c8 AQ |
15709 | { |
15710 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
ef6243ac | 15711 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
f4e583c8 | 15712 | .doit = nl80211_set_mcast_rate, |
5617c6cd | 15713 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15714 | .internal_flags = NL80211_FLAG_NEED_NETDEV, |
77765eaf VT |
15715 | }, |
15716 | { | |
15717 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
ef6243ac | 15718 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
77765eaf | 15719 | .doit = nl80211_set_mac_acl, |
5617c6cd | 15720 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15721 | .internal_flags = NL80211_FLAG_NEED_NETDEV, |
f4e583c8 | 15722 | }, |
04f39047 SW |
15723 | { |
15724 | .cmd = NL80211_CMD_RADAR_DETECT, | |
ef6243ac | 15725 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
04f39047 | 15726 | .doit = nl80211_start_radar_detection, |
5617c6cd | 15727 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15728 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
04f39047 | 15729 | }, |
3713b4e3 JB |
15730 | { |
15731 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
ef6243ac | 15732 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
3713b4e3 | 15733 | .doit = nl80211_get_protocol_features, |
3713b4e3 | 15734 | }, |
355199e0 JM |
15735 | { |
15736 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
ef6243ac | 15737 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
355199e0 | 15738 | .doit = nl80211_update_ft_ies, |
5617c6cd | 15739 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15740 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
355199e0 | 15741 | }, |
5de17984 AS |
15742 | { |
15743 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
ef6243ac | 15744 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
5de17984 | 15745 | .doit = nl80211_crit_protocol_start, |
5617c6cd | 15746 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15747 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP, |
5de17984 AS |
15748 | }, |
15749 | { | |
15750 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
ef6243ac | 15751 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
5de17984 | 15752 | .doit = nl80211_crit_protocol_stop, |
5617c6cd | 15753 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15754 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP, |
be29b99a AK |
15755 | }, |
15756 | { | |
15757 | .cmd = NL80211_CMD_GET_COALESCE, | |
ef6243ac | 15758 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
be29b99a | 15759 | .doit = nl80211_get_coalesce, |
a05829a7 | 15760 | .internal_flags = NL80211_FLAG_NEED_WIPHY, |
be29b99a AK |
15761 | }, |
15762 | { | |
15763 | .cmd = NL80211_CMD_SET_COALESCE, | |
ef6243ac | 15764 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
be29b99a | 15765 | .doit = nl80211_set_coalesce, |
5617c6cd | 15766 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15767 | .internal_flags = NL80211_FLAG_NEED_WIPHY, |
16ef1fe2 SW |
15768 | }, |
15769 | { | |
15770 | .cmd = NL80211_CMD_CHANNEL_SWITCH, | |
ef6243ac | 15771 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
16ef1fe2 | 15772 | .doit = nl80211_channel_switch, |
5617c6cd | 15773 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15774 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
16ef1fe2 | 15775 | }, |
ad7e718c JB |
15776 | { |
15777 | .cmd = NL80211_CMD_VENDOR, | |
ef6243ac | 15778 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
ad7e718c | 15779 | .doit = nl80211_vendor_cmd, |
7bdbe400 | 15780 | .dumpit = nl80211_vendor_cmd_dump, |
5617c6cd | 15781 | .flags = GENL_UNS_ADMIN_PERM, |
ad7e718c | 15782 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
a05829a7 | 15783 | 0 | |
d6db02a8 | 15784 | NL80211_FLAG_CLEAR_SKB, |
ad7e718c | 15785 | }, |
fa9ffc74 KP |
15786 | { |
15787 | .cmd = NL80211_CMD_SET_QOS_MAP, | |
ef6243ac | 15788 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
fa9ffc74 | 15789 | .doit = nl80211_set_qos_map, |
5617c6cd | 15790 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15791 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
fa9ffc74 | 15792 | }, |
960d01ac JB |
15793 | { |
15794 | .cmd = NL80211_CMD_ADD_TX_TS, | |
ef6243ac | 15795 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
960d01ac | 15796 | .doit = nl80211_add_tx_ts, |
5617c6cd | 15797 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15798 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
960d01ac JB |
15799 | }, |
15800 | { | |
15801 | .cmd = NL80211_CMD_DEL_TX_TS, | |
ef6243ac | 15802 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
960d01ac | 15803 | .doit = nl80211_del_tx_ts, |
5617c6cd | 15804 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15805 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
960d01ac | 15806 | }, |
1057d35e AN |
15807 | { |
15808 | .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH, | |
ef6243ac | 15809 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
1057d35e | 15810 | .doit = nl80211_tdls_channel_switch, |
5617c6cd | 15811 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15812 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
1057d35e AN |
15813 | }, |
15814 | { | |
15815 | .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH, | |
ef6243ac | 15816 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
1057d35e | 15817 | .doit = nl80211_tdls_cancel_channel_switch, |
5617c6cd | 15818 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15819 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
1057d35e | 15820 | }, |
ce0ce13a MB |
15821 | { |
15822 | .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST, | |
ef6243ac | 15823 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
ce0ce13a | 15824 | .doit = nl80211_set_multicast_to_unicast, |
ce0ce13a | 15825 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15826 | .internal_flags = NL80211_FLAG_NEED_NETDEV, |
ce0ce13a | 15827 | }, |
3a00df57 AS |
15828 | { |
15829 | .cmd = NL80211_CMD_SET_PMK, | |
ef6243ac | 15830 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
3a00df57 | 15831 | .doit = nl80211_set_pmk, |
3a00df57 | 15832 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
a05829a7 | 15833 | 0 | |
d6db02a8 | 15834 | NL80211_FLAG_CLEAR_SKB, |
3a00df57 AS |
15835 | }, |
15836 | { | |
15837 | .cmd = NL80211_CMD_DEL_PMK, | |
ef6243ac | 15838 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
3a00df57 | 15839 | .doit = nl80211_del_pmk, |
a05829a7 | 15840 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
3a00df57 | 15841 | }, |
40cbfa90 SD |
15842 | { |
15843 | .cmd = NL80211_CMD_EXTERNAL_AUTH, | |
ef6243ac | 15844 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
40cbfa90 | 15845 | .doit = nl80211_external_auth, |
40cbfa90 | 15846 | .flags = GENL_ADMIN_PERM, |
a05829a7 | 15847 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
40cbfa90 | 15848 | }, |
2576a9ac DK |
15849 | { |
15850 | .cmd = NL80211_CMD_CONTROL_PORT_FRAME, | |
ef6243ac | 15851 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
2576a9ac | 15852 | .doit = nl80211_tx_control_port, |
2576a9ac | 15853 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15854 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
2576a9ac | 15855 | }, |
81e54d08 PKC |
15856 | { |
15857 | .cmd = NL80211_CMD_GET_FTM_RESPONDER_STATS, | |
ef6243ac | 15858 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
81e54d08 | 15859 | .doit = nl80211_get_ftm_responder_stats, |
a05829a7 | 15860 | .internal_flags = NL80211_FLAG_NEED_NETDEV, |
81e54d08 | 15861 | }, |
9bb7e0f2 JB |
15862 | { |
15863 | .cmd = NL80211_CMD_PEER_MEASUREMENT_START, | |
ef6243ac | 15864 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
9bb7e0f2 | 15865 | .doit = nl80211_pmsr_start, |
9bb7e0f2 | 15866 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15867 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP, |
9bb7e0f2 | 15868 | }, |
30c63115 S |
15869 | { |
15870 | .cmd = NL80211_CMD_NOTIFY_RADAR, | |
ef6243ac | 15871 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, |
30c63115 | 15872 | .doit = nl80211_notify_radar_detection, |
30c63115 | 15873 | .flags = GENL_UNS_ADMIN_PERM, |
a05829a7 | 15874 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
30c63115 | 15875 | }, |
cb74e977 SD |
15876 | { |
15877 | .cmd = NL80211_CMD_UPDATE_OWE_INFO, | |
15878 | .doit = nl80211_update_owe_info, | |
15879 | .flags = GENL_ADMIN_PERM, | |
a05829a7 | 15880 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
5ab92e7f RM |
15881 | }, |
15882 | { | |
15883 | .cmd = NL80211_CMD_PROBE_MESH_LINK, | |
15884 | .doit = nl80211_probe_mesh_link, | |
15885 | .flags = GENL_UNS_ADMIN_PERM, | |
a05829a7 | 15886 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP, |
cb74e977 | 15887 | }, |
77f576de T |
15888 | { |
15889 | .cmd = NL80211_CMD_SET_TID_CONFIG, | |
15890 | .doit = nl80211_set_tid_config, | |
15891 | .flags = GENL_UNS_ADMIN_PERM, | |
a05829a7 | 15892 | .internal_flags = NL80211_FLAG_NEED_NETDEV, |
77f576de | 15893 | }, |
6bdb68ce CH |
15894 | { |
15895 | .cmd = NL80211_CMD_SET_SAR_SPECS, | |
15896 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, | |
15897 | .doit = nl80211_set_sar_specs, | |
15898 | .flags = GENL_UNS_ADMIN_PERM, | |
15899 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
15900 | NL80211_FLAG_NEED_RTNL, | |
15901 | }, | |
0d2ab3ae JC |
15902 | { |
15903 | .cmd = NL80211_CMD_COLOR_CHANGE_REQUEST, | |
15904 | .validate = GENL_DONT_VALIDATE_STRICT | GENL_DONT_VALIDATE_DUMP, | |
15905 | .doit = nl80211_color_change, | |
15906 | .flags = GENL_UNS_ADMIN_PERM, | |
15907 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
15908 | NL80211_FLAG_NEED_RTNL, | |
15909 | }, | |
55682965 | 15910 | }; |
9588bbd5 | 15911 | |
56989f6d | 15912 | static struct genl_family nl80211_fam __ro_after_init = { |
489111e5 JB |
15913 | .name = NL80211_GENL_NAME, /* have users key off the name instead */ |
15914 | .hdrsize = 0, /* no private header */ | |
15915 | .version = 1, /* no particular meaning now */ | |
15916 | .maxattr = NL80211_ATTR_MAX, | |
3b0f31f2 | 15917 | .policy = nl80211_policy, |
489111e5 JB |
15918 | .netnsok = true, |
15919 | .pre_doit = nl80211_pre_doit, | |
15920 | .post_doit = nl80211_post_doit, | |
15921 | .module = THIS_MODULE, | |
15922 | .ops = nl80211_ops, | |
15923 | .n_ops = ARRAY_SIZE(nl80211_ops), | |
66a9b928 JK |
15924 | .small_ops = nl80211_small_ops, |
15925 | .n_small_ops = ARRAY_SIZE(nl80211_small_ops), | |
489111e5 JB |
15926 | .mcgrps = nl80211_mcgrps, |
15927 | .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps), | |
50508d94 | 15928 | .parallel_ops = true, |
489111e5 JB |
15929 | }; |
15930 | ||
55682965 JB |
15931 | /* notification functions */ |
15932 | ||
3bb20556 JB |
15933 | void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev, |
15934 | enum nl80211_commands cmd) | |
55682965 JB |
15935 | { |
15936 | struct sk_buff *msg; | |
86e8cf98 | 15937 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 15938 | |
3bb20556 JB |
15939 | WARN_ON(cmd != NL80211_CMD_NEW_WIPHY && |
15940 | cmd != NL80211_CMD_DEL_WIPHY); | |
15941 | ||
fd2120ca | 15942 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
15943 | if (!msg) |
15944 | return; | |
15945 | ||
3bb20556 | 15946 | if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) { |
55682965 JB |
15947 | nlmsg_free(msg); |
15948 | return; | |
15949 | } | |
15950 | ||
68eb5503 | 15951 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 15952 | NL80211_MCGRP_CONFIG, GFP_KERNEL); |
55682965 JB |
15953 | } |
15954 | ||
896ff063 DK |
15955 | void nl80211_notify_iface(struct cfg80211_registered_device *rdev, |
15956 | struct wireless_dev *wdev, | |
15957 | enum nl80211_commands cmd) | |
15958 | { | |
15959 | struct sk_buff *msg; | |
15960 | ||
896ff063 DK |
15961 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
15962 | if (!msg) | |
15963 | return; | |
15964 | ||
3d1a5bbf | 15965 | if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, cmd) < 0) { |
896ff063 DK |
15966 | nlmsg_free(msg); |
15967 | return; | |
15968 | } | |
15969 | ||
15970 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, | |
15971 | NL80211_MCGRP_CONFIG, GFP_KERNEL); | |
15972 | } | |
15973 | ||
362a415d JB |
15974 | static int nl80211_add_scan_req(struct sk_buff *msg, |
15975 | struct cfg80211_registered_device *rdev) | |
15976 | { | |
15977 | struct cfg80211_scan_request *req = rdev->scan_req; | |
15978 | struct nlattr *nest; | |
15979 | int i; | |
c8cb5b85 | 15980 | struct cfg80211_scan_info *info; |
362a415d JB |
15981 | |
15982 | if (WARN_ON(!req)) | |
15983 | return 0; | |
15984 | ||
ae0be8de | 15985 | nest = nla_nest_start_noflag(msg, NL80211_ATTR_SCAN_SSIDS); |
362a415d JB |
15986 | if (!nest) |
15987 | goto nla_put_failure; | |
9360ffd1 DM |
15988 | for (i = 0; i < req->n_ssids; i++) { |
15989 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
15990 | goto nla_put_failure; | |
15991 | } | |
362a415d JB |
15992 | nla_nest_end(msg, nest); |
15993 | ||
2032f3b2 TP |
15994 | if (req->flags & NL80211_SCAN_FLAG_FREQ_KHZ) { |
15995 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQ_KHZ); | |
15996 | if (!nest) | |
15997 | goto nla_put_failure; | |
15998 | for (i = 0; i < req->n_channels; i++) { | |
15999 | if (nla_put_u32(msg, i, | |
16000 | ieee80211_channel_to_khz(req->channels[i]))) | |
16001 | goto nla_put_failure; | |
16002 | } | |
16003 | nla_nest_end(msg, nest); | |
16004 | } else { | |
16005 | nest = nla_nest_start_noflag(msg, | |
16006 | NL80211_ATTR_SCAN_FREQUENCIES); | |
16007 | if (!nest) | |
9360ffd1 | 16008 | goto nla_put_failure; |
2032f3b2 TP |
16009 | for (i = 0; i < req->n_channels; i++) { |
16010 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
16011 | goto nla_put_failure; | |
16012 | } | |
16013 | nla_nest_end(msg, nest); | |
9360ffd1 | 16014 | } |
362a415d | 16015 | |
9360ffd1 DM |
16016 | if (req->ie && |
16017 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
16018 | goto nla_put_failure; | |
362a415d | 16019 | |
ae917c9f JB |
16020 | if (req->flags && |
16021 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags)) | |
16022 | goto nla_put_failure; | |
ed473771 | 16023 | |
c8cb5b85 TM |
16024 | info = rdev->int_scan_req ? &rdev->int_scan_req->info : |
16025 | &rdev->scan_req->info; | |
16026 | if (info->scan_start_tsf && | |
1d76250b | 16027 | (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF, |
c8cb5b85 | 16028 | info->scan_start_tsf, NL80211_BSS_PAD) || |
1d76250b | 16029 | nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN, |
c8cb5b85 | 16030 | info->tsf_bssid))) |
1d76250b AS |
16031 | goto nla_put_failure; |
16032 | ||
362a415d JB |
16033 | return 0; |
16034 | nla_put_failure: | |
16035 | return -ENOBUFS; | |
16036 | } | |
16037 | ||
505a2e88 | 16038 | static int nl80211_prep_scan_msg(struct sk_buff *msg, |
a538e2d5 | 16039 | struct cfg80211_registered_device *rdev, |
fd014284 | 16040 | struct wireless_dev *wdev, |
15e47304 | 16041 | u32 portid, u32 seq, int flags, |
a538e2d5 | 16042 | u32 cmd) |
2a519311 JB |
16043 | { |
16044 | void *hdr; | |
16045 | ||
15e47304 | 16046 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
16047 | if (!hdr) |
16048 | return -1; | |
16049 | ||
9360ffd1 | 16050 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
16051 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
16052 | wdev->netdev->ifindex)) || | |
2dad624e ND |
16053 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
16054 | NL80211_ATTR_PAD)) | |
9360ffd1 | 16055 | goto nla_put_failure; |
2a519311 | 16056 | |
362a415d JB |
16057 | /* ignore errors and send incomplete event anyway */ |
16058 | nl80211_add_scan_req(msg, rdev); | |
2a519311 | 16059 | |
053c095a JB |
16060 | genlmsg_end(msg, hdr); |
16061 | return 0; | |
2a519311 JB |
16062 | |
16063 | nla_put_failure: | |
16064 | genlmsg_cancel(msg, hdr); | |
16065 | return -EMSGSIZE; | |
16066 | } | |
16067 | ||
807f8a8c | 16068 | static int |
505a2e88 | 16069 | nl80211_prep_sched_scan_msg(struct sk_buff *msg, |
96b08fd6 | 16070 | struct cfg80211_sched_scan_request *req, u32 cmd) |
807f8a8c LC |
16071 | { |
16072 | void *hdr; | |
16073 | ||
96b08fd6 | 16074 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
807f8a8c LC |
16075 | if (!hdr) |
16076 | return -1; | |
16077 | ||
96b08fd6 AVS |
16078 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, |
16079 | wiphy_to_rdev(req->wiphy)->wiphy_idx) || | |
16080 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) || | |
16081 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid, | |
16082 | NL80211_ATTR_PAD)) | |
9360ffd1 | 16083 | goto nla_put_failure; |
807f8a8c | 16084 | |
053c095a JB |
16085 | genlmsg_end(msg, hdr); |
16086 | return 0; | |
807f8a8c LC |
16087 | |
16088 | nla_put_failure: | |
16089 | genlmsg_cancel(msg, hdr); | |
16090 | return -EMSGSIZE; | |
16091 | } | |
16092 | ||
a538e2d5 | 16093 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 16094 | struct wireless_dev *wdev) |
a538e2d5 JB |
16095 | { |
16096 | struct sk_buff *msg; | |
16097 | ||
58050fce | 16098 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
16099 | if (!msg) |
16100 | return; | |
16101 | ||
505a2e88 | 16102 | if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
16103 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
16104 | nlmsg_free(msg); | |
16105 | return; | |
16106 | } | |
16107 | ||
68eb5503 | 16108 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 16109 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
a538e2d5 JB |
16110 | } |
16111 | ||
f9d15d16 JB |
16112 | struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, |
16113 | struct wireless_dev *wdev, bool aborted) | |
2a519311 JB |
16114 | { |
16115 | struct sk_buff *msg; | |
16116 | ||
fd2120ca | 16117 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 | 16118 | if (!msg) |
f9d15d16 | 16119 | return NULL; |
2a519311 | 16120 | |
505a2e88 | 16121 | if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0, |
f9d15d16 JB |
16122 | aborted ? NL80211_CMD_SCAN_ABORTED : |
16123 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { | |
2a519311 | 16124 | nlmsg_free(msg); |
f9d15d16 | 16125 | return NULL; |
2a519311 JB |
16126 | } |
16127 | ||
f9d15d16 | 16128 | return msg; |
2a519311 JB |
16129 | } |
16130 | ||
505a2e88 AVS |
16131 | /* send message created by nl80211_build_scan_msg() */ |
16132 | void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev, | |
16133 | struct sk_buff *msg) | |
807f8a8c | 16134 | { |
807f8a8c LC |
16135 | if (!msg) |
16136 | return; | |
16137 | ||
68eb5503 | 16138 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 16139 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
16140 | } |
16141 | ||
96b08fd6 | 16142 | void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd) |
807f8a8c LC |
16143 | { |
16144 | struct sk_buff *msg; | |
16145 | ||
58050fce | 16146 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
16147 | if (!msg) |
16148 | return; | |
16149 | ||
96b08fd6 | 16150 | if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) { |
807f8a8c LC |
16151 | nlmsg_free(msg); |
16152 | return; | |
16153 | } | |
16154 | ||
96b08fd6 | 16155 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0, |
2a94fe48 | 16156 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
16157 | } |
16158 | ||
b0d7aa59 JD |
16159 | static bool nl80211_reg_change_event_fill(struct sk_buff *msg, |
16160 | struct regulatory_request *request) | |
73d54c9e | 16161 | { |
73d54c9e | 16162 | /* Userspace can always count this one always being set */ |
9360ffd1 DM |
16163 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
16164 | goto nla_put_failure; | |
16165 | ||
16166 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
16167 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
16168 | NL80211_REGDOM_TYPE_WORLD)) | |
16169 | goto nla_put_failure; | |
16170 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
16171 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
16172 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
16173 | goto nla_put_failure; | |
16174 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
16175 | request->intersect) { | |
16176 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
16177 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
16178 | goto nla_put_failure; | |
16179 | } else { | |
16180 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
16181 | NL80211_REGDOM_TYPE_COUNTRY) || | |
16182 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
16183 | request->alpha2)) | |
16184 | goto nla_put_failure; | |
16185 | } | |
16186 | ||
ad30ca2c AN |
16187 | if (request->wiphy_idx != WIPHY_IDX_INVALID) { |
16188 | struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx); | |
16189 | ||
16190 | if (wiphy && | |
16191 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) | |
16192 | goto nla_put_failure; | |
1bdd716c AN |
16193 | |
16194 | if (wiphy && | |
16195 | wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && | |
16196 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
16197 | goto nla_put_failure; | |
ad30ca2c | 16198 | } |
73d54c9e | 16199 | |
b0d7aa59 JD |
16200 | return true; |
16201 | ||
16202 | nla_put_failure: | |
16203 | return false; | |
16204 | } | |
16205 | ||
16206 | /* | |
16207 | * This can happen on global regulatory changes or device specific settings | |
16208 | * based on custom regulatory domains. | |
16209 | */ | |
16210 | void nl80211_common_reg_change_event(enum nl80211_commands cmd_id, | |
16211 | struct regulatory_request *request) | |
16212 | { | |
16213 | struct sk_buff *msg; | |
16214 | void *hdr; | |
16215 | ||
16216 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
16217 | if (!msg) | |
16218 | return; | |
16219 | ||
16220 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id); | |
24f6d765 | 16221 | if (!hdr) |
16222 | goto nla_put_failure; | |
b0d7aa59 | 16223 | |
24f6d765 | 16224 | if (!nl80211_reg_change_event_fill(msg, request)) |
b0d7aa59 JD |
16225 | goto nla_put_failure; |
16226 | ||
3b7b72ee | 16227 | genlmsg_end(msg, hdr); |
73d54c9e | 16228 | |
bc43b28c | 16229 | rcu_read_lock(); |
68eb5503 | 16230 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 16231 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
bc43b28c | 16232 | rcu_read_unlock(); |
73d54c9e LR |
16233 | |
16234 | return; | |
16235 | ||
16236 | nla_put_failure: | |
73d54c9e LR |
16237 | nlmsg_free(msg); |
16238 | } | |
16239 | ||
6039f6d2 JM |
16240 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
16241 | struct net_device *netdev, | |
16242 | const u8 *buf, size_t len, | |
b0b6aa2c | 16243 | enum nl80211_commands cmd, gfp_t gfp, |
4d9ec73d | 16244 | int uapsd_queues, const u8 *req_ies, |
3bb02143 | 16245 | size_t req_ies_len, bool reconnect) |
6039f6d2 JM |
16246 | { |
16247 | struct sk_buff *msg; | |
16248 | void *hdr; | |
16249 | ||
4d9ec73d | 16250 | msg = nlmsg_new(100 + len + req_ies_len, gfp); |
6039f6d2 JM |
16251 | if (!msg) |
16252 | return; | |
16253 | ||
16254 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
16255 | if (!hdr) { | |
16256 | nlmsg_free(msg); | |
16257 | return; | |
16258 | } | |
16259 | ||
9360ffd1 DM |
16260 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
16261 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
4d9ec73d JM |
16262 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
16263 | (req_ies && | |
16264 | nla_put(msg, NL80211_ATTR_REQ_IE, req_ies_len, req_ies))) | |
9360ffd1 | 16265 | goto nla_put_failure; |
6039f6d2 | 16266 | |
3bb02143 JB |
16267 | if (reconnect && nla_put_flag(msg, NL80211_ATTR_RECONNECT_REQUESTED)) |
16268 | goto nla_put_failure; | |
16269 | ||
b0b6aa2c EP |
16270 | if (uapsd_queues >= 0) { |
16271 | struct nlattr *nla_wmm = | |
ae0be8de | 16272 | nla_nest_start_noflag(msg, NL80211_ATTR_STA_WME); |
b0b6aa2c EP |
16273 | if (!nla_wmm) |
16274 | goto nla_put_failure; | |
16275 | ||
16276 | if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES, | |
16277 | uapsd_queues)) | |
16278 | goto nla_put_failure; | |
16279 | ||
16280 | nla_nest_end(msg, nla_wmm); | |
16281 | } | |
16282 | ||
3b7b72ee | 16283 | genlmsg_end(msg, hdr); |
6039f6d2 | 16284 | |
68eb5503 | 16285 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 16286 | NL80211_MCGRP_MLME, gfp); |
6039f6d2 JM |
16287 | return; |
16288 | ||
16289 | nla_put_failure: | |
6039f6d2 JM |
16290 | nlmsg_free(msg); |
16291 | } | |
16292 | ||
16293 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
16294 | struct net_device *netdev, const u8 *buf, |
16295 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
16296 | { |
16297 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
3bb02143 JB |
16298 | NL80211_CMD_AUTHENTICATE, gfp, -1, NULL, 0, |
16299 | false); | |
6039f6d2 JM |
16300 | } |
16301 | ||
16302 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
16303 | struct net_device *netdev, const u8 *buf, | |
4d9ec73d JM |
16304 | size_t len, gfp_t gfp, int uapsd_queues, |
16305 | const u8 *req_ies, size_t req_ies_len) | |
6039f6d2 | 16306 | { |
e6d6e342 | 16307 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
4d9ec73d | 16308 | NL80211_CMD_ASSOCIATE, gfp, uapsd_queues, |
3bb02143 | 16309 | req_ies, req_ies_len, false); |
6039f6d2 JM |
16310 | } |
16311 | ||
53b46b84 | 16312 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 | 16313 | struct net_device *netdev, const u8 *buf, |
3bb02143 | 16314 | size_t len, bool reconnect, gfp_t gfp) |
6039f6d2 JM |
16315 | { |
16316 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
3bb02143 JB |
16317 | NL80211_CMD_DEAUTHENTICATE, gfp, -1, NULL, 0, |
16318 | reconnect); | |
6039f6d2 JM |
16319 | } |
16320 | ||
53b46b84 JM |
16321 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
16322 | struct net_device *netdev, const u8 *buf, | |
3bb02143 | 16323 | size_t len, bool reconnect, gfp_t gfp) |
6039f6d2 JM |
16324 | { |
16325 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
3bb02143 JB |
16326 | NL80211_CMD_DISASSOCIATE, gfp, -1, NULL, 0, |
16327 | reconnect); | |
6039f6d2 JM |
16328 | } |
16329 | ||
6ff57cf8 JB |
16330 | void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, |
16331 | size_t len) | |
cf4e594e | 16332 | { |
947add36 JB |
16333 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
16334 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 16335 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
6ff57cf8 JB |
16336 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
16337 | u32 cmd; | |
947add36 | 16338 | |
6ff57cf8 JB |
16339 | if (WARN_ON(len < 2)) |
16340 | return; | |
cf4e594e | 16341 | |
4d797fce | 16342 | if (ieee80211_is_deauth(mgmt->frame_control)) { |
6ff57cf8 | 16343 | cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; |
4d797fce | 16344 | } else if (ieee80211_is_disassoc(mgmt->frame_control)) { |
6ff57cf8 | 16345 | cmd = NL80211_CMD_UNPROT_DISASSOCIATE; |
4d797fce JM |
16346 | } else if (ieee80211_is_beacon(mgmt->frame_control)) { |
16347 | if (wdev->unprot_beacon_reported && | |
16348 | elapsed_jiffies_msecs(wdev->unprot_beacon_reported) < 10000) | |
16349 | return; | |
16350 | cmd = NL80211_CMD_UNPROT_BEACON; | |
16351 | wdev->unprot_beacon_reported = jiffies; | |
16352 | } else { | |
16353 | return; | |
16354 | } | |
947add36 | 16355 | |
6ff57cf8 | 16356 | trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); |
4d9ec73d | 16357 | nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1, |
3bb02143 | 16358 | NULL, 0, false); |
cf4e594e | 16359 | } |
6ff57cf8 | 16360 | EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |
cf4e594e | 16361 | |
1b06bb40 LR |
16362 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
16363 | struct net_device *netdev, int cmd, | |
e6d6e342 | 16364 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
16365 | { |
16366 | struct sk_buff *msg; | |
16367 | void *hdr; | |
16368 | ||
e6d6e342 | 16369 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
16370 | if (!msg) |
16371 | return; | |
16372 | ||
16373 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
16374 | if (!hdr) { | |
16375 | nlmsg_free(msg); | |
16376 | return; | |
16377 | } | |
16378 | ||
9360ffd1 DM |
16379 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
16380 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
16381 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
16382 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
16383 | goto nla_put_failure; | |
1965c853 | 16384 | |
3b7b72ee | 16385 | genlmsg_end(msg, hdr); |
1965c853 | 16386 | |
68eb5503 | 16387 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 16388 | NL80211_MCGRP_MLME, gfp); |
1965c853 JM |
16389 | return; |
16390 | ||
16391 | nla_put_failure: | |
1965c853 JM |
16392 | nlmsg_free(msg); |
16393 | } | |
16394 | ||
16395 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
16396 | struct net_device *netdev, const u8 *addr, |
16397 | gfp_t gfp) | |
1965c853 JM |
16398 | { |
16399 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 16400 | addr, gfp); |
1965c853 JM |
16401 | } |
16402 | ||
16403 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
16404 | struct net_device *netdev, const u8 *addr, |
16405 | gfp_t gfp) | |
1965c853 | 16406 | { |
e6d6e342 JB |
16407 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
16408 | addr, gfp); | |
1965c853 JM |
16409 | } |
16410 | ||
b23aa676 | 16411 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
5349a0f7 VK |
16412 | struct net_device *netdev, |
16413 | struct cfg80211_connect_resp_params *cr, | |
3093ebbe | 16414 | gfp_t gfp) |
b23aa676 SO |
16415 | { |
16416 | struct sk_buff *msg; | |
16417 | void *hdr; | |
16418 | ||
a3caf744 | 16419 | msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len + |
76804d28 AVS |
16420 | cr->fils.kek_len + cr->fils.pmk_len + |
16421 | (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp); | |
b23aa676 SO |
16422 | if (!msg) |
16423 | return; | |
16424 | ||
16425 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
16426 | if (!hdr) { | |
16427 | nlmsg_free(msg); | |
16428 | return; | |
16429 | } | |
16430 | ||
9360ffd1 DM |
16431 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
16432 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
5349a0f7 VK |
16433 | (cr->bssid && |
16434 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) || | |
bf1ecd21 | 16435 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, |
5349a0f7 VK |
16436 | cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE : |
16437 | cr->status) || | |
16438 | (cr->status < 0 && | |
3093ebbe | 16439 | (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || |
5349a0f7 VK |
16440 | nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON, |
16441 | cr->timeout_reason))) || | |
16442 | (cr->req_ie && | |
16443 | nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) || | |
16444 | (cr->resp_ie && | |
16445 | nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len, | |
a3caf744 | 16446 | cr->resp_ie)) || |
76804d28 | 16447 | (cr->fils.update_erp_next_seq_num && |
a3caf744 | 16448 | nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM, |
76804d28 | 16449 | cr->fils.erp_next_seq_num)) || |
a3caf744 | 16450 | (cr->status == WLAN_STATUS_SUCCESS && |
76804d28 AVS |
16451 | ((cr->fils.kek && |
16452 | nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len, | |
16453 | cr->fils.kek)) || | |
16454 | (cr->fils.pmk && | |
16455 | nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) || | |
16456 | (cr->fils.pmkid && | |
16457 | nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid))))) | |
9360ffd1 | 16458 | goto nla_put_failure; |
b23aa676 | 16459 | |
3b7b72ee | 16460 | genlmsg_end(msg, hdr); |
b23aa676 | 16461 | |
68eb5503 | 16462 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 16463 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
16464 | return; |
16465 | ||
16466 | nla_put_failure: | |
b23aa676 | 16467 | nlmsg_free(msg); |
b23aa676 SO |
16468 | } |
16469 | ||
16470 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
29ce6ecb AS |
16471 | struct net_device *netdev, |
16472 | struct cfg80211_roam_info *info, gfp_t gfp) | |
b23aa676 SO |
16473 | { |
16474 | struct sk_buff *msg; | |
16475 | void *hdr; | |
29ce6ecb | 16476 | const u8 *bssid = info->bss ? info->bss->bssid : info->bssid; |
b23aa676 | 16477 | |
e841b7b1 AVS |
16478 | msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len + |
16479 | info->fils.kek_len + info->fils.pmk_len + | |
16480 | (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp); | |
b23aa676 SO |
16481 | if (!msg) |
16482 | return; | |
16483 | ||
16484 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
16485 | if (!hdr) { | |
16486 | nlmsg_free(msg); | |
16487 | return; | |
16488 | } | |
16489 | ||
9360ffd1 DM |
16490 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
16491 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
16492 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
29ce6ecb AS |
16493 | (info->req_ie && |
16494 | nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len, | |
16495 | info->req_ie)) || | |
16496 | (info->resp_ie && | |
16497 | nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len, | |
e841b7b1 AVS |
16498 | info->resp_ie)) || |
16499 | (info->fils.update_erp_next_seq_num && | |
16500 | nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM, | |
16501 | info->fils.erp_next_seq_num)) || | |
16502 | (info->fils.kek && | |
16503 | nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len, | |
16504 | info->fils.kek)) || | |
16505 | (info->fils.pmk && | |
16506 | nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) || | |
16507 | (info->fils.pmkid && | |
16508 | nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid))) | |
9360ffd1 | 16509 | goto nla_put_failure; |
b23aa676 | 16510 | |
3b7b72ee | 16511 | genlmsg_end(msg, hdr); |
b23aa676 | 16512 | |
68eb5503 | 16513 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 16514 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
16515 | return; |
16516 | ||
503c1fb9 | 16517 | nla_put_failure: |
503c1fb9 AS |
16518 | nlmsg_free(msg); |
16519 | } | |
16520 | ||
16521 | void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev, | |
16522 | struct net_device *netdev, const u8 *bssid) | |
16523 | { | |
16524 | struct sk_buff *msg; | |
16525 | void *hdr; | |
16526 | ||
16527 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
16528 | if (!msg) | |
16529 | return; | |
16530 | ||
16531 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED); | |
16532 | if (!hdr) { | |
16533 | nlmsg_free(msg); | |
16534 | return; | |
16535 | } | |
16536 | ||
f4d75993 CHH |
16537 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
16538 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
16539 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
503c1fb9 AS |
16540 | goto nla_put_failure; |
16541 | ||
16542 | genlmsg_end(msg, hdr); | |
16543 | ||
16544 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, | |
16545 | NL80211_MCGRP_MLME, GFP_KERNEL); | |
16546 | return; | |
16547 | ||
b23aa676 | 16548 | nla_put_failure: |
b23aa676 | 16549 | nlmsg_free(msg); |
b23aa676 SO |
16550 | } |
16551 | ||
16552 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
16553 | struct net_device *netdev, u16 reason, | |
667503dd | 16554 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
16555 | { |
16556 | struct sk_buff *msg; | |
16557 | void *hdr; | |
16558 | ||
4ef8c1c9 | 16559 | msg = nlmsg_new(100 + ie_len, GFP_KERNEL); |
b23aa676 SO |
16560 | if (!msg) |
16561 | return; | |
16562 | ||
16563 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
16564 | if (!hdr) { | |
16565 | nlmsg_free(msg); | |
16566 | return; | |
16567 | } | |
16568 | ||
9360ffd1 DM |
16569 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
16570 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
86b6c465 | 16571 | (reason && |
9360ffd1 DM |
16572 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || |
16573 | (from_ap && | |
16574 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
16575 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
16576 | goto nla_put_failure; | |
b23aa676 | 16577 | |
3b7b72ee | 16578 | genlmsg_end(msg, hdr); |
b23aa676 | 16579 | |
68eb5503 | 16580 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 16581 | NL80211_MCGRP_MLME, GFP_KERNEL); |
b23aa676 SO |
16582 | return; |
16583 | ||
16584 | nla_put_failure: | |
b23aa676 | 16585 | nlmsg_free(msg); |
b23aa676 SO |
16586 | } |
16587 | ||
04a773ad JB |
16588 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
16589 | struct net_device *netdev, const u8 *bssid, | |
16590 | gfp_t gfp) | |
16591 | { | |
16592 | struct sk_buff *msg; | |
16593 | void *hdr; | |
16594 | ||
fd2120ca | 16595 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
16596 | if (!msg) |
16597 | return; | |
16598 | ||
16599 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
16600 | if (!hdr) { | |
16601 | nlmsg_free(msg); | |
16602 | return; | |
16603 | } | |
16604 | ||
9360ffd1 DM |
16605 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
16606 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
16607 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
16608 | goto nla_put_failure; | |
04a773ad | 16609 | |
3b7b72ee | 16610 | genlmsg_end(msg, hdr); |
04a773ad | 16611 | |
68eb5503 | 16612 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 16613 | NL80211_MCGRP_MLME, gfp); |
04a773ad JB |
16614 | return; |
16615 | ||
16616 | nla_put_failure: | |
04a773ad JB |
16617 | nlmsg_free(msg); |
16618 | } | |
16619 | ||
947add36 | 16620 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
ecbc12ad BC |
16621 | const u8 *ie, u8 ie_len, |
16622 | int sig_dbm, gfp_t gfp) | |
c93b5e71 | 16623 | { |
947add36 | 16624 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 16625 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
c93b5e71 JC |
16626 | struct sk_buff *msg; |
16627 | void *hdr; | |
16628 | ||
947add36 JB |
16629 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
16630 | return; | |
16631 | ||
16632 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
16633 | ||
4ef8c1c9 | 16634 | msg = nlmsg_new(100 + ie_len, gfp); |
c93b5e71 JC |
16635 | if (!msg) |
16636 | return; | |
16637 | ||
16638 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
16639 | if (!hdr) { | |
16640 | nlmsg_free(msg); | |
16641 | return; | |
16642 | } | |
16643 | ||
9360ffd1 | 16644 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
16645 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
16646 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 | 16647 | (ie_len && ie && |
ecbc12ad BC |
16648 | nla_put(msg, NL80211_ATTR_IE, ie_len, ie)) || |
16649 | (sig_dbm && | |
16650 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm))) | |
9360ffd1 | 16651 | goto nla_put_failure; |
c93b5e71 | 16652 | |
3b7b72ee | 16653 | genlmsg_end(msg, hdr); |
c93b5e71 | 16654 | |
68eb5503 | 16655 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 16656 | NL80211_MCGRP_MLME, gfp); |
c93b5e71 JC |
16657 | return; |
16658 | ||
16659 | nla_put_failure: | |
c93b5e71 JC |
16660 | nlmsg_free(msg); |
16661 | } | |
947add36 | 16662 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 16663 | |
a3b8b056 JM |
16664 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
16665 | struct net_device *netdev, const u8 *addr, | |
16666 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 16667 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
16668 | { |
16669 | struct sk_buff *msg; | |
16670 | void *hdr; | |
16671 | ||
e6d6e342 | 16672 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
16673 | if (!msg) |
16674 | return; | |
16675 | ||
16676 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
16677 | if (!hdr) { | |
16678 | nlmsg_free(msg); | |
16679 | return; | |
16680 | } | |
16681 | ||
9360ffd1 DM |
16682 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
16683 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
16684 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
16685 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
16686 | (key_id != -1 && | |
16687 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
16688 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
16689 | goto nla_put_failure; | |
a3b8b056 | 16690 | |
3b7b72ee | 16691 | genlmsg_end(msg, hdr); |
a3b8b056 | 16692 | |
68eb5503 | 16693 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 16694 | NL80211_MCGRP_MLME, gfp); |
a3b8b056 JM |
16695 | return; |
16696 | ||
16697 | nla_put_failure: | |
a3b8b056 JM |
16698 | nlmsg_free(msg); |
16699 | } | |
16700 | ||
6bad8766 LR |
16701 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
16702 | struct ieee80211_channel *channel_before, | |
16703 | struct ieee80211_channel *channel_after) | |
16704 | { | |
16705 | struct sk_buff *msg; | |
16706 | void *hdr; | |
16707 | struct nlattr *nl_freq; | |
16708 | ||
fd2120ca | 16709 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
16710 | if (!msg) |
16711 | return; | |
16712 | ||
16713 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
16714 | if (!hdr) { | |
16715 | nlmsg_free(msg); | |
16716 | return; | |
16717 | } | |
16718 | ||
16719 | /* | |
16720 | * Since we are applying the beacon hint to a wiphy we know its | |
16721 | * wiphy_idx is valid | |
16722 | */ | |
9360ffd1 DM |
16723 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
16724 | goto nla_put_failure; | |
6bad8766 LR |
16725 | |
16726 | /* Before */ | |
ae0be8de | 16727 | nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_BEFORE); |
6bad8766 LR |
16728 | if (!nl_freq) |
16729 | goto nla_put_failure; | |
50f32718 HD |
16730 | |
16731 | if (nl80211_msg_put_channel(msg, wiphy, channel_before, false)) | |
6bad8766 LR |
16732 | goto nla_put_failure; |
16733 | nla_nest_end(msg, nl_freq); | |
16734 | ||
16735 | /* After */ | |
ae0be8de | 16736 | nl_freq = nla_nest_start_noflag(msg, NL80211_ATTR_FREQ_AFTER); |
6bad8766 LR |
16737 | if (!nl_freq) |
16738 | goto nla_put_failure; | |
50f32718 HD |
16739 | |
16740 | if (nl80211_msg_put_channel(msg, wiphy, channel_after, false)) | |
6bad8766 LR |
16741 | goto nla_put_failure; |
16742 | nla_nest_end(msg, nl_freq); | |
16743 | ||
3b7b72ee | 16744 | genlmsg_end(msg, hdr); |
6bad8766 | 16745 | |
463d0183 | 16746 | rcu_read_lock(); |
68eb5503 | 16747 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 16748 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
463d0183 | 16749 | rcu_read_unlock(); |
6bad8766 LR |
16750 | |
16751 | return; | |
16752 | ||
16753 | nla_put_failure: | |
6bad8766 LR |
16754 | nlmsg_free(msg); |
16755 | } | |
16756 | ||
9588bbd5 JM |
16757 | static void nl80211_send_remain_on_chan_event( |
16758 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 16759 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 16760 | struct ieee80211_channel *chan, |
9588bbd5 JM |
16761 | unsigned int duration, gfp_t gfp) |
16762 | { | |
16763 | struct sk_buff *msg; | |
16764 | void *hdr; | |
16765 | ||
16766 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
16767 | if (!msg) | |
16768 | return; | |
16769 | ||
16770 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
16771 | if (!hdr) { | |
16772 | nlmsg_free(msg); | |
16773 | return; | |
16774 | } | |
16775 | ||
9360ffd1 | 16776 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
16777 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
16778 | wdev->netdev->ifindex)) || | |
2dad624e ND |
16779 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
16780 | NL80211_ATTR_PAD) || | |
9360ffd1 | 16781 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
16782 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
16783 | NL80211_CHAN_NO_HT) || | |
2dad624e ND |
16784 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
16785 | NL80211_ATTR_PAD)) | |
9360ffd1 | 16786 | goto nla_put_failure; |
9588bbd5 | 16787 | |
9360ffd1 DM |
16788 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
16789 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
16790 | goto nla_put_failure; | |
9588bbd5 | 16791 | |
3b7b72ee | 16792 | genlmsg_end(msg, hdr); |
9588bbd5 | 16793 | |
68eb5503 | 16794 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 16795 | NL80211_MCGRP_MLME, gfp); |
9588bbd5 JM |
16796 | return; |
16797 | ||
16798 | nla_put_failure: | |
9588bbd5 JM |
16799 | nlmsg_free(msg); |
16800 | } | |
16801 | ||
947add36 JB |
16802 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
16803 | struct ieee80211_channel *chan, | |
16804 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 16805 | { |
947add36 | 16806 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 16807 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
16808 | |
16809 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 16810 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 16811 | rdev, wdev, cookie, chan, |
42d97a59 | 16812 | duration, gfp); |
9588bbd5 | 16813 | } |
947add36 | 16814 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 16815 | |
947add36 JB |
16816 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
16817 | struct ieee80211_channel *chan, | |
16818 | gfp_t gfp) | |
9588bbd5 | 16819 | { |
947add36 | 16820 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 16821 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
16822 | |
16823 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 16824 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 16825 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 16826 | } |
947add36 | 16827 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 16828 | |
1c38c7f2 JP |
16829 | void cfg80211_tx_mgmt_expired(struct wireless_dev *wdev, u64 cookie, |
16830 | struct ieee80211_channel *chan, | |
16831 | gfp_t gfp) | |
16832 | { | |
16833 | struct wiphy *wiphy = wdev->wiphy; | |
16834 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
16835 | ||
16836 | trace_cfg80211_tx_mgmt_expired(wdev, cookie, chan); | |
16837 | nl80211_send_remain_on_chan_event(NL80211_CMD_FRAME_WAIT_CANCEL, | |
16838 | rdev, wdev, cookie, chan, 0, gfp); | |
16839 | } | |
16840 | EXPORT_SYMBOL(cfg80211_tx_mgmt_expired); | |
16841 | ||
947add36 JB |
16842 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
16843 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 16844 | { |
947add36 | 16845 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 16846 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
98b62183 JB |
16847 | struct sk_buff *msg; |
16848 | ||
947add36 JB |
16849 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
16850 | ||
58050fce | 16851 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
16852 | if (!msg) |
16853 | return; | |
16854 | ||
cf5ead82 | 16855 | if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0, |
66266b3a | 16856 | rdev, dev, mac_addr, sinfo) < 0) { |
98b62183 JB |
16857 | nlmsg_free(msg); |
16858 | return; | |
16859 | } | |
16860 | ||
68eb5503 | 16861 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 16862 | NL80211_MCGRP_MLME, gfp); |
98b62183 | 16863 | } |
947add36 | 16864 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 16865 | |
cf5ead82 JB |
16866 | void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr, |
16867 | struct station_info *sinfo, gfp_t gfp) | |
ec15e68b | 16868 | { |
947add36 | 16869 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 16870 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ec15e68b | 16871 | struct sk_buff *msg; |
73887fd9 | 16872 | struct station_info empty_sinfo = {}; |
cf5ead82 | 16873 | |
73887fd9 JB |
16874 | if (!sinfo) |
16875 | sinfo = &empty_sinfo; | |
ec15e68b | 16876 | |
947add36 JB |
16877 | trace_cfg80211_del_sta(dev, mac_addr); |
16878 | ||
58050fce | 16879 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
7ea3e110 JB |
16880 | if (!msg) { |
16881 | cfg80211_sinfo_release_content(sinfo); | |
73887fd9 | 16882 | return; |
7ea3e110 | 16883 | } |
ec15e68b | 16884 | |
cf5ead82 | 16885 | if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0, |
57007121 | 16886 | rdev, dev, mac_addr, sinfo) < 0) { |
ec15e68b | 16887 | nlmsg_free(msg); |
73887fd9 | 16888 | return; |
ec15e68b JM |
16889 | } |
16890 | ||
68eb5503 | 16891 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 16892 | NL80211_MCGRP_MLME, gfp); |
ec15e68b | 16893 | } |
cf5ead82 | 16894 | EXPORT_SYMBOL(cfg80211_del_sta_sinfo); |
ec15e68b | 16895 | |
947add36 JB |
16896 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
16897 | enum nl80211_connect_failed_reason reason, | |
16898 | gfp_t gfp) | |
ed44a951 | 16899 | { |
947add36 | 16900 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 16901 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ed44a951 PP |
16902 | struct sk_buff *msg; |
16903 | void *hdr; | |
16904 | ||
16905 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
16906 | if (!msg) | |
16907 | return; | |
16908 | ||
16909 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
16910 | if (!hdr) { | |
16911 | nlmsg_free(msg); | |
16912 | return; | |
16913 | } | |
16914 | ||
16915 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
16916 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
16917 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
16918 | goto nla_put_failure; | |
16919 | ||
16920 | genlmsg_end(msg, hdr); | |
16921 | ||
68eb5503 | 16922 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 16923 | NL80211_MCGRP_MLME, gfp); |
ed44a951 PP |
16924 | return; |
16925 | ||
16926 | nla_put_failure: | |
ed44a951 PP |
16927 | nlmsg_free(msg); |
16928 | } | |
947add36 | 16929 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 16930 | |
b92ab5d8 JB |
16931 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
16932 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
16933 | { |
16934 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 16935 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
28946da7 JB |
16936 | struct sk_buff *msg; |
16937 | void *hdr; | |
6aa7de05 | 16938 | u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 16939 | |
15e47304 | 16940 | if (!nlportid) |
28946da7 JB |
16941 | return false; |
16942 | ||
16943 | msg = nlmsg_new(100, gfp); | |
16944 | if (!msg) | |
16945 | return true; | |
16946 | ||
b92ab5d8 | 16947 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
16948 | if (!hdr) { |
16949 | nlmsg_free(msg); | |
16950 | return true; | |
16951 | } | |
16952 | ||
9360ffd1 DM |
16953 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
16954 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
16955 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
16956 | goto nla_put_failure; | |
28946da7 | 16957 | |
9c90a9f6 | 16958 | genlmsg_end(msg, hdr); |
15e47304 | 16959 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
16960 | return true; |
16961 | ||
16962 | nla_put_failure: | |
28946da7 JB |
16963 | nlmsg_free(msg); |
16964 | return true; | |
16965 | } | |
16966 | ||
947add36 JB |
16967 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
16968 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 16969 | { |
947add36 JB |
16970 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
16971 | bool ret; | |
16972 | ||
16973 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
16974 | ||
16975 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
16976 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
16977 | trace_cfg80211_return_bool(false); | |
16978 | return false; | |
16979 | } | |
16980 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
16981 | addr, gfp); | |
16982 | trace_cfg80211_return_bool(ret); | |
16983 | return ret; | |
b92ab5d8 | 16984 | } |
947add36 | 16985 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 16986 | |
947add36 JB |
16987 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
16988 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 16989 | { |
947add36 JB |
16990 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
16991 | bool ret; | |
16992 | ||
16993 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
16994 | ||
16995 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
16996 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
16997 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
16998 | trace_cfg80211_return_bool(false); | |
16999 | return false; | |
17000 | } | |
17001 | ret = __nl80211_unexpected_frame(dev, | |
17002 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
17003 | addr, gfp); | |
17004 | trace_cfg80211_return_bool(ret); | |
17005 | return ret; | |
b92ab5d8 | 17006 | } |
947add36 | 17007 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 17008 | |
2e161f78 | 17009 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 17010 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 | 17011 | int freq, int sig_dbm, |
19504cf5 | 17012 | const u8 *buf, size_t len, u32 flags, gfp_t gfp) |
026331c4 | 17013 | { |
71bbc994 | 17014 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
17015 | struct sk_buff *msg; |
17016 | void *hdr; | |
026331c4 | 17017 | |
4ef8c1c9 | 17018 | msg = nlmsg_new(100 + len, gfp); |
026331c4 JM |
17019 | if (!msg) |
17020 | return -ENOMEM; | |
17021 | ||
2e161f78 | 17022 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
17023 | if (!hdr) { |
17024 | nlmsg_free(msg); | |
17025 | return -ENOMEM; | |
17026 | } | |
17027 | ||
9360ffd1 | 17028 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
17029 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
17030 | netdev->ifindex)) || | |
2dad624e ND |
17031 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
17032 | NL80211_ATTR_PAD) || | |
e76fede8 | 17033 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, KHZ_TO_MHZ(freq)) || |
942ba88b | 17034 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET, freq % 1000) || |
9360ffd1 DM |
17035 | (sig_dbm && |
17036 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
19504cf5 VK |
17037 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
17038 | (flags && | |
17039 | nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags))) | |
9360ffd1 | 17040 | goto nla_put_failure; |
026331c4 | 17041 | |
3b7b72ee | 17042 | genlmsg_end(msg, hdr); |
026331c4 | 17043 | |
15e47304 | 17044 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
17045 | |
17046 | nla_put_failure: | |
026331c4 JM |
17047 | nlmsg_free(msg); |
17048 | return -ENOBUFS; | |
17049 | } | |
17050 | ||
dca9ca2d MT |
17051 | static void nl80211_frame_tx_status(struct wireless_dev *wdev, u64 cookie, |
17052 | const u8 *buf, size_t len, bool ack, | |
17053 | gfp_t gfp, enum nl80211_commands command) | |
026331c4 | 17054 | { |
947add36 | 17055 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 17056 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
71bbc994 | 17057 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
17058 | struct sk_buff *msg; |
17059 | void *hdr; | |
17060 | ||
dca9ca2d MT |
17061 | if (command == NL80211_CMD_FRAME_TX_STATUS) |
17062 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); | |
17063 | else | |
17064 | trace_cfg80211_control_port_tx_status(wdev, cookie, ack); | |
947add36 | 17065 | |
4ef8c1c9 | 17066 | msg = nlmsg_new(100 + len, gfp); |
026331c4 JM |
17067 | if (!msg) |
17068 | return; | |
17069 | ||
dca9ca2d | 17070 | hdr = nl80211hdr_put(msg, 0, 0, 0, command); |
026331c4 JM |
17071 | if (!hdr) { |
17072 | nlmsg_free(msg); | |
17073 | return; | |
17074 | } | |
17075 | ||
9360ffd1 | 17076 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
17077 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
17078 | netdev->ifindex)) || | |
2dad624e ND |
17079 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
17080 | NL80211_ATTR_PAD) || | |
9360ffd1 | 17081 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
2dad624e ND |
17082 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
17083 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
17084 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) |
17085 | goto nla_put_failure; | |
026331c4 | 17086 | |
3b7b72ee | 17087 | genlmsg_end(msg, hdr); |
026331c4 | 17088 | |
68eb5503 | 17089 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 17090 | NL80211_MCGRP_MLME, gfp); |
026331c4 JM |
17091 | return; |
17092 | ||
dca9ca2d | 17093 | nla_put_failure: |
026331c4 JM |
17094 | nlmsg_free(msg); |
17095 | } | |
dca9ca2d MT |
17096 | |
17097 | void cfg80211_control_port_tx_status(struct wireless_dev *wdev, u64 cookie, | |
17098 | const u8 *buf, size_t len, bool ack, | |
17099 | gfp_t gfp) | |
17100 | { | |
17101 | nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp, | |
17102 | NL80211_CMD_CONTROL_PORT_FRAME_TX_STATUS); | |
17103 | } | |
17104 | EXPORT_SYMBOL(cfg80211_control_port_tx_status); | |
17105 | ||
17106 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, | |
17107 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
17108 | { | |
17109 | nl80211_frame_tx_status(wdev, cookie, buf, len, ack, gfp, | |
17110 | NL80211_CMD_FRAME_TX_STATUS); | |
17111 | } | |
947add36 | 17112 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 17113 | |
6a671a50 | 17114 | static int __nl80211_rx_control_port(struct net_device *dev, |
a948f713 | 17115 | struct sk_buff *skb, |
6a671a50 DK |
17116 | bool unencrypted, gfp_t gfp) |
17117 | { | |
17118 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
17119 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); | |
a948f713 | 17120 | struct ethhdr *ehdr = eth_hdr(skb); |
8d74a623 | 17121 | const u8 *addr = ehdr->h_source; |
a948f713 | 17122 | u16 proto = be16_to_cpu(skb->protocol); |
6a671a50 DK |
17123 | struct sk_buff *msg; |
17124 | void *hdr; | |
a948f713 DK |
17125 | struct nlattr *frame; |
17126 | ||
6a671a50 DK |
17127 | u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid); |
17128 | ||
17129 | if (!nlportid) | |
17130 | return -ENOENT; | |
17131 | ||
a948f713 | 17132 | msg = nlmsg_new(100 + skb->len, gfp); |
6a671a50 DK |
17133 | if (!msg) |
17134 | return -ENOMEM; | |
17135 | ||
17136 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME); | |
17137 | if (!hdr) { | |
17138 | nlmsg_free(msg); | |
17139 | return -ENOBUFS; | |
17140 | } | |
17141 | ||
17142 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
17143 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
17144 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), | |
17145 | NL80211_ATTR_PAD) || | |
8d74a623 | 17146 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || |
6a671a50 DK |
17147 | nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) || |
17148 | (unencrypted && nla_put_flag(msg, | |
17149 | NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))) | |
17150 | goto nla_put_failure; | |
17151 | ||
a948f713 DK |
17152 | frame = nla_reserve(msg, NL80211_ATTR_FRAME, skb->len); |
17153 | if (!frame) | |
17154 | goto nla_put_failure; | |
17155 | ||
17156 | skb_copy_bits(skb, 0, nla_data(frame), skb->len); | |
6a671a50 DK |
17157 | genlmsg_end(msg, hdr); |
17158 | ||
17159 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
17160 | ||
17161 | nla_put_failure: | |
17162 | nlmsg_free(msg); | |
17163 | return -ENOBUFS; | |
17164 | } | |
17165 | ||
17166 | bool cfg80211_rx_control_port(struct net_device *dev, | |
a948f713 | 17167 | struct sk_buff *skb, bool unencrypted) |
6a671a50 DK |
17168 | { |
17169 | int ret; | |
17170 | ||
a948f713 DK |
17171 | trace_cfg80211_rx_control_port(dev, skb, unencrypted); |
17172 | ret = __nl80211_rx_control_port(dev, skb, unencrypted, GFP_ATOMIC); | |
6a671a50 DK |
17173 | trace_cfg80211_return_bool(ret == 0); |
17174 | return ret == 0; | |
17175 | } | |
17176 | EXPORT_SYMBOL(cfg80211_rx_control_port); | |
17177 | ||
5b97f49d JB |
17178 | static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev, |
17179 | const char *mac, gfp_t gfp) | |
d6dc1a38 | 17180 | { |
947add36 | 17181 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
5b97f49d JB |
17182 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
17183 | struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
17184 | void **cb; | |
947add36 | 17185 | |
d6dc1a38 | 17186 | if (!msg) |
5b97f49d | 17187 | return NULL; |
d6dc1a38 | 17188 | |
5b97f49d JB |
17189 | cb = (void **)msg->cb; |
17190 | ||
17191 | cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
17192 | if (!cb[0]) { | |
d6dc1a38 | 17193 | nlmsg_free(msg); |
5b97f49d | 17194 | return NULL; |
d6dc1a38 JO |
17195 | } |
17196 | ||
9360ffd1 | 17197 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 17198 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 17199 | goto nla_put_failure; |
d6dc1a38 | 17200 | |
5b97f49d | 17201 | if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac)) |
d6dc1a38 JO |
17202 | goto nla_put_failure; |
17203 | ||
ae0be8de | 17204 | cb[1] = nla_nest_start_noflag(msg, NL80211_ATTR_CQM); |
5b97f49d | 17205 | if (!cb[1]) |
9360ffd1 | 17206 | goto nla_put_failure; |
d6dc1a38 | 17207 | |
5b97f49d | 17208 | cb[2] = rdev; |
d6dc1a38 | 17209 | |
5b97f49d JB |
17210 | return msg; |
17211 | nla_put_failure: | |
17212 | nlmsg_free(msg); | |
17213 | return NULL; | |
17214 | } | |
17215 | ||
17216 | static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp) | |
17217 | { | |
17218 | void **cb = (void **)msg->cb; | |
17219 | struct cfg80211_registered_device *rdev = cb[2]; | |
17220 | ||
17221 | nla_nest_end(msg, cb[1]); | |
17222 | genlmsg_end(msg, cb[0]); | |
17223 | ||
17224 | memset(msg->cb, 0, sizeof(msg->cb)); | |
d6dc1a38 | 17225 | |
68eb5503 | 17226 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 17227 | NL80211_MCGRP_MLME, gfp); |
5b97f49d JB |
17228 | } |
17229 | ||
17230 | void cfg80211_cqm_rssi_notify(struct net_device *dev, | |
17231 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
bee427b8 | 17232 | s32 rssi_level, gfp_t gfp) |
5b97f49d JB |
17233 | { |
17234 | struct sk_buff *msg; | |
4a4b8169 AZ |
17235 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
17236 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); | |
5b97f49d | 17237 | |
bee427b8 | 17238 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level); |
5b97f49d | 17239 | |
98f03342 JB |
17240 | if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW && |
17241 | rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH)) | |
17242 | return; | |
17243 | ||
4a4b8169 AZ |
17244 | if (wdev->cqm_config) { |
17245 | wdev->cqm_config->last_rssi_event_value = rssi_level; | |
17246 | ||
17247 | cfg80211_cqm_rssi_update(rdev, dev); | |
17248 | ||
17249 | if (rssi_level == 0) | |
17250 | rssi_level = wdev->cqm_config->last_rssi_event_value; | |
17251 | } | |
17252 | ||
5b97f49d JB |
17253 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); |
17254 | if (!msg) | |
17255 | return; | |
17256 | ||
17257 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, | |
17258 | rssi_event)) | |
17259 | goto nla_put_failure; | |
17260 | ||
bee427b8 AZ |
17261 | if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL, |
17262 | rssi_level)) | |
17263 | goto nla_put_failure; | |
17264 | ||
5b97f49d JB |
17265 | cfg80211_send_cqm(msg, gfp); |
17266 | ||
d6dc1a38 JO |
17267 | return; |
17268 | ||
17269 | nla_put_failure: | |
d6dc1a38 JO |
17270 | nlmsg_free(msg); |
17271 | } | |
947add36 | 17272 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 17273 | |
5b97f49d JB |
17274 | void cfg80211_cqm_txe_notify(struct net_device *dev, |
17275 | const u8 *peer, u32 num_packets, | |
17276 | u32 rate, u32 intvl, gfp_t gfp) | |
17277 | { | |
17278 | struct sk_buff *msg; | |
17279 | ||
17280 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
17281 | if (!msg) | |
17282 | return; | |
17283 | ||
17284 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
17285 | goto nla_put_failure; | |
17286 | ||
17287 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
17288 | goto nla_put_failure; | |
17289 | ||
17290 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
17291 | goto nla_put_failure; | |
17292 | ||
17293 | cfg80211_send_cqm(msg, gfp); | |
17294 | return; | |
17295 | ||
17296 | nla_put_failure: | |
17297 | nlmsg_free(msg); | |
17298 | } | |
17299 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); | |
17300 | ||
17301 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, | |
17302 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
17303 | { | |
17304 | struct sk_buff *msg; | |
17305 | ||
17306 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); | |
17307 | ||
17308 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
17309 | if (!msg) | |
17310 | return; | |
17311 | ||
17312 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) | |
17313 | goto nla_put_failure; | |
17314 | ||
17315 | cfg80211_send_cqm(msg, gfp); | |
17316 | return; | |
17317 | ||
17318 | nla_put_failure: | |
17319 | nlmsg_free(msg); | |
17320 | } | |
17321 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); | |
17322 | ||
98f03342 JB |
17323 | void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp) |
17324 | { | |
17325 | struct sk_buff *msg; | |
17326 | ||
17327 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); | |
17328 | if (!msg) | |
17329 | return; | |
17330 | ||
17331 | if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT)) | |
17332 | goto nla_put_failure; | |
17333 | ||
17334 | cfg80211_send_cqm(msg, gfp); | |
17335 | return; | |
17336 | ||
17337 | nla_put_failure: | |
17338 | nlmsg_free(msg); | |
17339 | } | |
17340 | EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify); | |
17341 | ||
947add36 JB |
17342 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
17343 | struct net_device *netdev, const u8 *bssid, | |
17344 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
17345 | { |
17346 | struct sk_buff *msg; | |
17347 | struct nlattr *rekey_attr; | |
17348 | void *hdr; | |
17349 | ||
58050fce | 17350 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
17351 | if (!msg) |
17352 | return; | |
17353 | ||
17354 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
17355 | if (!hdr) { | |
17356 | nlmsg_free(msg); | |
17357 | return; | |
17358 | } | |
17359 | ||
9360ffd1 DM |
17360 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
17361 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
17362 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
17363 | goto nla_put_failure; | |
e5497d76 | 17364 | |
ae0be8de | 17365 | rekey_attr = nla_nest_start_noflag(msg, NL80211_ATTR_REKEY_DATA); |
e5497d76 JB |
17366 | if (!rekey_attr) |
17367 | goto nla_put_failure; | |
17368 | ||
9360ffd1 DM |
17369 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
17370 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
17371 | goto nla_put_failure; | |
e5497d76 JB |
17372 | |
17373 | nla_nest_end(msg, rekey_attr); | |
17374 | ||
3b7b72ee | 17375 | genlmsg_end(msg, hdr); |
e5497d76 | 17376 | |
68eb5503 | 17377 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 17378 | NL80211_MCGRP_MLME, gfp); |
e5497d76 JB |
17379 | return; |
17380 | ||
17381 | nla_put_failure: | |
e5497d76 JB |
17382 | nlmsg_free(msg); |
17383 | } | |
17384 | ||
947add36 JB |
17385 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
17386 | const u8 *replay_ctr, gfp_t gfp) | |
17387 | { | |
17388 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
17389 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 17390 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
17391 | |
17392 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
17393 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
17394 | } | |
17395 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
17396 | ||
17397 | static void | |
17398 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
17399 | struct net_device *netdev, int index, | |
17400 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
17401 | { |
17402 | struct sk_buff *msg; | |
17403 | struct nlattr *attr; | |
17404 | void *hdr; | |
17405 | ||
58050fce | 17406 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
17407 | if (!msg) |
17408 | return; | |
17409 | ||
17410 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
17411 | if (!hdr) { | |
17412 | nlmsg_free(msg); | |
17413 | return; | |
17414 | } | |
17415 | ||
9360ffd1 DM |
17416 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
17417 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
17418 | goto nla_put_failure; | |
c9df56b4 | 17419 | |
ae0be8de | 17420 | attr = nla_nest_start_noflag(msg, NL80211_ATTR_PMKSA_CANDIDATE); |
c9df56b4 JM |
17421 | if (!attr) |
17422 | goto nla_put_failure; | |
17423 | ||
9360ffd1 DM |
17424 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
17425 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
17426 | (preauth && | |
17427 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
17428 | goto nla_put_failure; | |
c9df56b4 JM |
17429 | |
17430 | nla_nest_end(msg, attr); | |
17431 | ||
3b7b72ee | 17432 | genlmsg_end(msg, hdr); |
c9df56b4 | 17433 | |
68eb5503 | 17434 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 17435 | NL80211_MCGRP_MLME, gfp); |
c9df56b4 JM |
17436 | return; |
17437 | ||
17438 | nla_put_failure: | |
c9df56b4 JM |
17439 | nlmsg_free(msg); |
17440 | } | |
17441 | ||
947add36 JB |
17442 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
17443 | const u8 *bssid, bool preauth, gfp_t gfp) | |
17444 | { | |
17445 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
17446 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 17447 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
17448 | |
17449 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
17450 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
17451 | } | |
17452 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
17453 | ||
17454 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
17455 | struct net_device *netdev, | |
17456 | struct cfg80211_chan_def *chandef, | |
f8d7552e LC |
17457 | gfp_t gfp, |
17458 | enum nl80211_commands notif, | |
669b8413 | 17459 | u8 count, bool quiet) |
5314526b TP |
17460 | { |
17461 | struct sk_buff *msg; | |
17462 | void *hdr; | |
17463 | ||
58050fce | 17464 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
17465 | if (!msg) |
17466 | return; | |
17467 | ||
f8d7552e | 17468 | hdr = nl80211hdr_put(msg, 0, 0, 0, notif); |
5314526b TP |
17469 | if (!hdr) { |
17470 | nlmsg_free(msg); | |
17471 | return; | |
17472 | } | |
17473 | ||
683b6d3b JB |
17474 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
17475 | goto nla_put_failure; | |
17476 | ||
17477 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 17478 | goto nla_put_failure; |
5314526b | 17479 | |
669b8413 JB |
17480 | if (notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) { |
17481 | if (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count)) | |
f8d7552e | 17482 | goto nla_put_failure; |
669b8413 JB |
17483 | if (quiet && |
17484 | nla_put_flag(msg, NL80211_ATTR_CH_SWITCH_BLOCK_TX)) | |
f8d7552e | 17485 | goto nla_put_failure; |
669b8413 | 17486 | } |
f8d7552e | 17487 | |
5314526b TP |
17488 | genlmsg_end(msg, hdr); |
17489 | ||
68eb5503 | 17490 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 17491 | NL80211_MCGRP_MLME, gfp); |
5314526b TP |
17492 | return; |
17493 | ||
17494 | nla_put_failure: | |
5314526b TP |
17495 | nlmsg_free(msg); |
17496 | } | |
17497 | ||
947add36 JB |
17498 | void cfg80211_ch_switch_notify(struct net_device *dev, |
17499 | struct cfg80211_chan_def *chandef) | |
84f10708 | 17500 | { |
947add36 JB |
17501 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
17502 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 17503 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 | 17504 | |
e487eaeb | 17505 | ASSERT_WDEV_LOCK(wdev); |
947add36 | 17506 | |
e487eaeb | 17507 | trace_cfg80211_ch_switch_notify(dev, chandef); |
947add36 | 17508 | |
9e0e2961 | 17509 | wdev->chandef = *chandef; |
96f55f12 | 17510 | wdev->preset_chandef = *chandef; |
5dc8cdce SM |
17511 | |
17512 | if (wdev->iftype == NL80211_IFTYPE_STATION && | |
17513 | !WARN_ON(!wdev->current_bss)) | |
0afd425b | 17514 | cfg80211_update_assoc_bss_entry(wdev, chandef->chan); |
5dc8cdce | 17515 | |
d34990bb MV |
17516 | cfg80211_sched_dfs_chan_update(rdev); |
17517 | ||
f8d7552e | 17518 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, |
669b8413 | 17519 | NL80211_CMD_CH_SWITCH_NOTIFY, 0, false); |
947add36 JB |
17520 | } |
17521 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
17522 | ||
f8d7552e LC |
17523 | void cfg80211_ch_switch_started_notify(struct net_device *dev, |
17524 | struct cfg80211_chan_def *chandef, | |
669b8413 | 17525 | u8 count, bool quiet) |
f8d7552e LC |
17526 | { |
17527 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
17528 | struct wiphy *wiphy = wdev->wiphy; | |
17529 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
17530 | ||
17531 | trace_cfg80211_ch_switch_started_notify(dev, chandef); | |
17532 | ||
17533 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, | |
669b8413 JB |
17534 | NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, |
17535 | count, quiet); | |
f8d7552e LC |
17536 | } |
17537 | EXPORT_SYMBOL(cfg80211_ch_switch_started_notify); | |
17538 | ||
0d2ab3ae JC |
17539 | int cfg80211_bss_color_notify(struct net_device *dev, gfp_t gfp, |
17540 | enum nl80211_commands cmd, u8 count, | |
17541 | u64 color_bitmap) | |
17542 | { | |
17543 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
17544 | struct wiphy *wiphy = wdev->wiphy; | |
17545 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
17546 | struct sk_buff *msg; | |
17547 | void *hdr; | |
17548 | ||
17549 | ASSERT_WDEV_LOCK(wdev); | |
17550 | ||
17551 | trace_cfg80211_bss_color_notify(dev, cmd, count, color_bitmap); | |
17552 | ||
17553 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
17554 | if (!msg) | |
17555 | return -ENOMEM; | |
17556 | ||
17557 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
17558 | if (!hdr) | |
17559 | goto nla_put_failure; | |
17560 | ||
17561 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) | |
17562 | goto nla_put_failure; | |
17563 | ||
17564 | if (cmd == NL80211_CMD_COLOR_CHANGE_STARTED && | |
17565 | nla_put_u32(msg, NL80211_ATTR_COLOR_CHANGE_COUNT, count)) | |
17566 | goto nla_put_failure; | |
17567 | ||
17568 | if (cmd == NL80211_CMD_OBSS_COLOR_COLLISION && | |
17569 | nla_put_u64_64bit(msg, NL80211_ATTR_OBSS_COLOR_BITMAP, | |
17570 | color_bitmap, NL80211_ATTR_PAD)) | |
17571 | goto nla_put_failure; | |
17572 | ||
17573 | genlmsg_end(msg, hdr); | |
17574 | ||
17575 | return genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
17576 | msg, 0, NL80211_MCGRP_MLME, gfp); | |
17577 | ||
17578 | nla_put_failure: | |
17579 | nlmsg_free(msg); | |
17580 | return -EINVAL; | |
17581 | } | |
17582 | EXPORT_SYMBOL(cfg80211_bss_color_notify); | |
17583 | ||
04f39047 SW |
17584 | void |
17585 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
d2859df5 | 17586 | const struct cfg80211_chan_def *chandef, |
04f39047 SW |
17587 | enum nl80211_radar_event event, |
17588 | struct net_device *netdev, gfp_t gfp) | |
17589 | { | |
17590 | struct sk_buff *msg; | |
17591 | void *hdr; | |
17592 | ||
17593 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
17594 | if (!msg) | |
17595 | return; | |
17596 | ||
17597 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
17598 | if (!hdr) { | |
17599 | nlmsg_free(msg); | |
17600 | return; | |
17601 | } | |
17602 | ||
17603 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
17604 | goto nla_put_failure; | |
17605 | ||
17606 | /* NOP and radar events don't need a netdev parameter */ | |
17607 | if (netdev) { | |
17608 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
17609 | ||
17610 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
2dad624e ND |
17611 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
17612 | NL80211_ATTR_PAD)) | |
04f39047 SW |
17613 | goto nla_put_failure; |
17614 | } | |
17615 | ||
17616 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
17617 | goto nla_put_failure; | |
17618 | ||
17619 | if (nl80211_send_chandef(msg, chandef)) | |
17620 | goto nla_put_failure; | |
17621 | ||
9c90a9f6 | 17622 | genlmsg_end(msg, hdr); |
04f39047 | 17623 | |
68eb5503 | 17624 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 17625 | NL80211_MCGRP_MLME, gfp); |
04f39047 SW |
17626 | return; |
17627 | ||
17628 | nla_put_failure: | |
04f39047 SW |
17629 | nlmsg_free(msg); |
17630 | } | |
17631 | ||
466b9936 | 17632 | void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac, |
17633 | struct sta_opmode_info *sta_opmode, | |
17634 | gfp_t gfp) | |
17635 | { | |
17636 | struct sk_buff *msg; | |
17637 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
17638 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); | |
17639 | void *hdr; | |
17640 | ||
17641 | if (WARN_ON(!mac)) | |
17642 | return; | |
17643 | ||
17644 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
17645 | if (!msg) | |
17646 | return; | |
17647 | ||
17648 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED); | |
17649 | if (!hdr) { | |
17650 | nlmsg_free(msg); | |
17651 | return; | |
17652 | } | |
17653 | ||
17654 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
17655 | goto nla_put_failure; | |
17656 | ||
17657 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) | |
17658 | goto nla_put_failure; | |
17659 | ||
17660 | if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac)) | |
17661 | goto nla_put_failure; | |
17662 | ||
17663 | if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) && | |
17664 | nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode)) | |
17665 | goto nla_put_failure; | |
17666 | ||
17667 | if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) && | |
0016d320 | 17668 | nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw)) |
466b9936 | 17669 | goto nla_put_failure; |
17670 | ||
17671 | if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) && | |
17672 | nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss)) | |
17673 | goto nla_put_failure; | |
17674 | ||
17675 | genlmsg_end(msg, hdr); | |
17676 | ||
17677 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, | |
17678 | NL80211_MCGRP_MLME, gfp); | |
17679 | ||
17680 | return; | |
17681 | ||
17682 | nla_put_failure: | |
17683 | nlmsg_free(msg); | |
17684 | } | |
17685 | EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify); | |
17686 | ||
7f6cf311 | 17687 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
c4b50cd3 VN |
17688 | u64 cookie, bool acked, s32 ack_signal, |
17689 | bool is_valid_ack_signal, gfp_t gfp) | |
7f6cf311 JB |
17690 | { |
17691 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 17692 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
7f6cf311 JB |
17693 | struct sk_buff *msg; |
17694 | void *hdr; | |
7f6cf311 | 17695 | |
4ee3e063 BL |
17696 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
17697 | ||
58050fce | 17698 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 17699 | |
7f6cf311 JB |
17700 | if (!msg) |
17701 | return; | |
17702 | ||
17703 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
17704 | if (!hdr) { | |
17705 | nlmsg_free(msg); | |
17706 | return; | |
17707 | } | |
17708 | ||
9360ffd1 DM |
17709 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
17710 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
17711 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
2dad624e ND |
17712 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
17713 | NL80211_ATTR_PAD) || | |
c4b50cd3 VN |
17714 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) || |
17715 | (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL, | |
17716 | ack_signal))) | |
9360ffd1 | 17717 | goto nla_put_failure; |
7f6cf311 | 17718 | |
9c90a9f6 | 17719 | genlmsg_end(msg, hdr); |
7f6cf311 | 17720 | |
68eb5503 | 17721 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 17722 | NL80211_MCGRP_MLME, gfp); |
7f6cf311 JB |
17723 | return; |
17724 | ||
17725 | nla_put_failure: | |
7f6cf311 JB |
17726 | nlmsg_free(msg); |
17727 | } | |
17728 | EXPORT_SYMBOL(cfg80211_probe_status); | |
17729 | ||
e76fede8 TP |
17730 | void cfg80211_report_obss_beacon_khz(struct wiphy *wiphy, const u8 *frame, |
17731 | size_t len, int freq, int sig_dbm) | |
5e760230 | 17732 | { |
f26cbf40 | 17733 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
5e760230 JB |
17734 | struct sk_buff *msg; |
17735 | void *hdr; | |
37c73b5f | 17736 | struct cfg80211_beacon_registration *reg; |
5e760230 | 17737 | |
4ee3e063 BL |
17738 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
17739 | ||
37c73b5f BG |
17740 | spin_lock_bh(&rdev->beacon_registrations_lock); |
17741 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
17742 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
17743 | if (!msg) { | |
17744 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
17745 | return; | |
17746 | } | |
5e760230 | 17747 | |
37c73b5f BG |
17748 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
17749 | if (!hdr) | |
17750 | goto nla_put_failure; | |
5e760230 | 17751 | |
37c73b5f BG |
17752 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
17753 | (freq && | |
942ba88b TP |
17754 | (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
17755 | KHZ_TO_MHZ(freq)) || | |
17756 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET, | |
17757 | freq % 1000))) || | |
37c73b5f BG |
17758 | (sig_dbm && |
17759 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
17760 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
17761 | goto nla_put_failure; | |
5e760230 | 17762 | |
37c73b5f | 17763 | genlmsg_end(msg, hdr); |
5e760230 | 17764 | |
37c73b5f BG |
17765 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
17766 | } | |
17767 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
17768 | return; |
17769 | ||
17770 | nla_put_failure: | |
37c73b5f | 17771 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
17772 | nlmsg_free(msg); |
17773 | } | |
e76fede8 | 17774 | EXPORT_SYMBOL(cfg80211_report_obss_beacon_khz); |
5e760230 | 17775 | |
cd8f7cb4 | 17776 | #ifdef CONFIG_PM |
8cd4d456 LC |
17777 | static int cfg80211_net_detect_results(struct sk_buff *msg, |
17778 | struct cfg80211_wowlan_wakeup *wakeup) | |
17779 | { | |
17780 | struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect; | |
17781 | struct nlattr *nl_results, *nl_match, *nl_freqs; | |
17782 | int i, j; | |
17783 | ||
ae0be8de MK |
17784 | nl_results = nla_nest_start_noflag(msg, |
17785 | NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS); | |
8cd4d456 LC |
17786 | if (!nl_results) |
17787 | return -EMSGSIZE; | |
17788 | ||
17789 | for (i = 0; i < nd->n_matches; i++) { | |
17790 | struct cfg80211_wowlan_nd_match *match = nd->matches[i]; | |
17791 | ||
ae0be8de | 17792 | nl_match = nla_nest_start_noflag(msg, i); |
8cd4d456 LC |
17793 | if (!nl_match) |
17794 | break; | |
17795 | ||
17796 | /* The SSID attribute is optional in nl80211, but for | |
17797 | * simplicity reasons it's always present in the | |
17798 | * cfg80211 structure. If a driver can't pass the | |
17799 | * SSID, that needs to be changed. A zero length SSID | |
17800 | * is still a valid SSID (wildcard), so it cannot be | |
17801 | * used for this purpose. | |
17802 | */ | |
17803 | if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len, | |
17804 | match->ssid.ssid)) { | |
17805 | nla_nest_cancel(msg, nl_match); | |
17806 | goto out; | |
17807 | } | |
17808 | ||
17809 | if (match->n_channels) { | |
ae0be8de MK |
17810 | nl_freqs = nla_nest_start_noflag(msg, |
17811 | NL80211_ATTR_SCAN_FREQUENCIES); | |
8cd4d456 LC |
17812 | if (!nl_freqs) { |
17813 | nla_nest_cancel(msg, nl_match); | |
17814 | goto out; | |
17815 | } | |
17816 | ||
17817 | for (j = 0; j < match->n_channels; j++) { | |
5528fae8 | 17818 | if (nla_put_u32(msg, j, match->channels[j])) { |
8cd4d456 LC |
17819 | nla_nest_cancel(msg, nl_freqs); |
17820 | nla_nest_cancel(msg, nl_match); | |
17821 | goto out; | |
17822 | } | |
17823 | } | |
17824 | ||
17825 | nla_nest_end(msg, nl_freqs); | |
17826 | } | |
17827 | ||
17828 | nla_nest_end(msg, nl_match); | |
17829 | } | |
17830 | ||
17831 | out: | |
17832 | nla_nest_end(msg, nl_results); | |
17833 | return 0; | |
17834 | } | |
17835 | ||
cd8f7cb4 JB |
17836 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, |
17837 | struct cfg80211_wowlan_wakeup *wakeup, | |
17838 | gfp_t gfp) | |
17839 | { | |
f26cbf40 | 17840 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
cd8f7cb4 JB |
17841 | struct sk_buff *msg; |
17842 | void *hdr; | |
9c90a9f6 | 17843 | int size = 200; |
cd8f7cb4 JB |
17844 | |
17845 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
17846 | ||
17847 | if (wakeup) | |
17848 | size += wakeup->packet_present_len; | |
17849 | ||
17850 | msg = nlmsg_new(size, gfp); | |
17851 | if (!msg) | |
17852 | return; | |
17853 | ||
17854 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
17855 | if (!hdr) | |
17856 | goto free_msg; | |
17857 | ||
17858 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
17859 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
17860 | NL80211_ATTR_PAD)) | |
cd8f7cb4 JB |
17861 | goto free_msg; |
17862 | ||
17863 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
17864 | wdev->netdev->ifindex)) | |
17865 | goto free_msg; | |
17866 | ||
17867 | if (wakeup) { | |
17868 | struct nlattr *reasons; | |
17869 | ||
ae0be8de MK |
17870 | reasons = nla_nest_start_noflag(msg, |
17871 | NL80211_ATTR_WOWLAN_TRIGGERS); | |
7fa322c8 JB |
17872 | if (!reasons) |
17873 | goto free_msg; | |
cd8f7cb4 JB |
17874 | |
17875 | if (wakeup->disconnect && | |
17876 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
17877 | goto free_msg; | |
17878 | if (wakeup->magic_pkt && | |
17879 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
17880 | goto free_msg; | |
17881 | if (wakeup->gtk_rekey_failure && | |
17882 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
17883 | goto free_msg; | |
17884 | if (wakeup->eap_identity_req && | |
17885 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
17886 | goto free_msg; | |
17887 | if (wakeup->four_way_handshake && | |
17888 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
17889 | goto free_msg; | |
17890 | if (wakeup->rfkill_release && | |
17891 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
17892 | goto free_msg; | |
17893 | ||
17894 | if (wakeup->pattern_idx >= 0 && | |
17895 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
17896 | wakeup->pattern_idx)) | |
17897 | goto free_msg; | |
17898 | ||
ae917c9f JB |
17899 | if (wakeup->tcp_match && |
17900 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH)) | |
17901 | goto free_msg; | |
2a0e047e | 17902 | |
ae917c9f JB |
17903 | if (wakeup->tcp_connlost && |
17904 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST)) | |
17905 | goto free_msg; | |
2a0e047e | 17906 | |
ae917c9f JB |
17907 | if (wakeup->tcp_nomoretokens && |
17908 | nla_put_flag(msg, | |
17909 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS)) | |
17910 | goto free_msg; | |
2a0e047e | 17911 | |
cd8f7cb4 JB |
17912 | if (wakeup->packet) { |
17913 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
17914 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
17915 | ||
17916 | if (!wakeup->packet_80211) { | |
17917 | pkt_attr = | |
17918 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
17919 | len_attr = | |
17920 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
17921 | } | |
17922 | ||
17923 | if (wakeup->packet_len && | |
17924 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
17925 | goto free_msg; | |
17926 | ||
17927 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
17928 | wakeup->packet)) | |
17929 | goto free_msg; | |
17930 | } | |
17931 | ||
8cd4d456 LC |
17932 | if (wakeup->net_detect && |
17933 | cfg80211_net_detect_results(msg, wakeup)) | |
17934 | goto free_msg; | |
17935 | ||
cd8f7cb4 JB |
17936 | nla_nest_end(msg, reasons); |
17937 | } | |
17938 | ||
9c90a9f6 | 17939 | genlmsg_end(msg, hdr); |
cd8f7cb4 | 17940 | |
68eb5503 | 17941 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 17942 | NL80211_MCGRP_MLME, gfp); |
cd8f7cb4 JB |
17943 | return; |
17944 | ||
17945 | free_msg: | |
17946 | nlmsg_free(msg); | |
17947 | } | |
17948 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
17949 | #endif | |
17950 | ||
3475b094 JM |
17951 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
17952 | enum nl80211_tdls_operation oper, | |
17953 | u16 reason_code, gfp_t gfp) | |
17954 | { | |
17955 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 17956 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
3475b094 JM |
17957 | struct sk_buff *msg; |
17958 | void *hdr; | |
3475b094 JM |
17959 | |
17960 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
17961 | reason_code); | |
17962 | ||
17963 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
17964 | if (!msg) | |
17965 | return; | |
17966 | ||
17967 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
17968 | if (!hdr) { | |
17969 | nlmsg_free(msg); | |
17970 | return; | |
17971 | } | |
17972 | ||
17973 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
17974 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
17975 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
17976 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
17977 | (reason_code > 0 && | |
17978 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
17979 | goto nla_put_failure; | |
17980 | ||
9c90a9f6 | 17981 | genlmsg_end(msg, hdr); |
3475b094 | 17982 | |
68eb5503 | 17983 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 17984 | NL80211_MCGRP_MLME, gfp); |
3475b094 JM |
17985 | return; |
17986 | ||
17987 | nla_put_failure: | |
3475b094 JM |
17988 | nlmsg_free(msg); |
17989 | } | |
17990 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
17991 | ||
026331c4 JM |
17992 | static int nl80211_netlink_notify(struct notifier_block * nb, |
17993 | unsigned long state, | |
17994 | void *_notify) | |
17995 | { | |
17996 | struct netlink_notify *notify = _notify; | |
17997 | struct cfg80211_registered_device *rdev; | |
17998 | struct wireless_dev *wdev; | |
37c73b5f | 17999 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 | 18000 | |
8f815cdd | 18001 | if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC) |
026331c4 JM |
18002 | return NOTIFY_DONE; |
18003 | ||
18004 | rcu_read_lock(); | |
18005 | ||
5e760230 | 18006 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
ca986ad9 | 18007 | struct cfg80211_sched_scan_request *sched_scan_req; |
753aacfd | 18008 | |
ca986ad9 AVS |
18009 | list_for_each_entry_rcu(sched_scan_req, |
18010 | &rdev->sched_scan_req_list, | |
18011 | list) { | |
18012 | if (sched_scan_req->owner_nlportid == notify->portid) { | |
18013 | sched_scan_req->nl_owner_dead = true; | |
753aacfd | 18014 | schedule_work(&rdev->sched_scan_stop_wk); |
ca986ad9 | 18015 | } |
753aacfd | 18016 | } |
78f22b6a | 18017 | |
53873f13 | 18018 | list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) { |
15e47304 | 18019 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f | 18020 | |
ab81007a JB |
18021 | if (wdev->owner_nlportid == notify->portid) { |
18022 | wdev->nl_owner_dead = true; | |
18023 | schedule_work(&rdev->destroy_work); | |
18024 | } else if (wdev->conn_owner_nlportid == notify->portid) { | |
bd2522b1 | 18025 | schedule_work(&wdev->disconnect_wk); |
ab81007a | 18026 | } |
9bb7e0f2 JB |
18027 | |
18028 | cfg80211_release_pmsr(wdev, notify->portid); | |
78f22b6a JB |
18029 | } |
18030 | ||
37c73b5f BG |
18031 | spin_lock_bh(&rdev->beacon_registrations_lock); |
18032 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
18033 | list) { | |
18034 | if (reg->nlportid == notify->portid) { | |
18035 | list_del(®->list); | |
18036 | kfree(reg); | |
18037 | break; | |
18038 | } | |
18039 | } | |
18040 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 | 18041 | } |
026331c4 JM |
18042 | |
18043 | rcu_read_unlock(); | |
18044 | ||
05050753 I |
18045 | /* |
18046 | * It is possible that the user space process that is controlling the | |
18047 | * indoor setting disappeared, so notify the regulatory core. | |
18048 | */ | |
18049 | regulatory_netlink_notify(notify->portid); | |
6784c7db | 18050 | return NOTIFY_OK; |
026331c4 JM |
18051 | } |
18052 | ||
18053 | static struct notifier_block nl80211_netlink_notifier = { | |
18054 | .notifier_call = nl80211_netlink_notify, | |
18055 | }; | |
18056 | ||
355199e0 JM |
18057 | void cfg80211_ft_event(struct net_device *netdev, |
18058 | struct cfg80211_ft_event_params *ft_event) | |
18059 | { | |
18060 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
f26cbf40 | 18061 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
355199e0 JM |
18062 | struct sk_buff *msg; |
18063 | void *hdr; | |
355199e0 JM |
18064 | |
18065 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
18066 | ||
18067 | if (!ft_event->target_ap) | |
18068 | return; | |
18069 | ||
1039d081 DL |
18070 | msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len, |
18071 | GFP_KERNEL); | |
355199e0 JM |
18072 | if (!msg) |
18073 | return; | |
18074 | ||
18075 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
ae917c9f JB |
18076 | if (!hdr) |
18077 | goto out; | |
355199e0 | 18078 | |
ae917c9f JB |
18079 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
18080 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
18081 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap)) | |
18082 | goto out; | |
355199e0 | 18083 | |
ae917c9f JB |
18084 | if (ft_event->ies && |
18085 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies)) | |
18086 | goto out; | |
18087 | if (ft_event->ric_ies && | |
18088 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
18089 | ft_event->ric_ies)) | |
18090 | goto out; | |
355199e0 | 18091 | |
9c90a9f6 | 18092 | genlmsg_end(msg, hdr); |
355199e0 | 18093 | |
68eb5503 | 18094 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 18095 | NL80211_MCGRP_MLME, GFP_KERNEL); |
ae917c9f JB |
18096 | return; |
18097 | out: | |
18098 | nlmsg_free(msg); | |
355199e0 JM |
18099 | } |
18100 | EXPORT_SYMBOL(cfg80211_ft_event); | |
18101 | ||
5de17984 AS |
18102 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
18103 | { | |
18104 | struct cfg80211_registered_device *rdev; | |
18105 | struct sk_buff *msg; | |
18106 | void *hdr; | |
18107 | u32 nlportid; | |
18108 | ||
f26cbf40 | 18109 | rdev = wiphy_to_rdev(wdev->wiphy); |
5de17984 AS |
18110 | if (!rdev->crit_proto_nlportid) |
18111 | return; | |
18112 | ||
18113 | nlportid = rdev->crit_proto_nlportid; | |
18114 | rdev->crit_proto_nlportid = 0; | |
18115 | ||
18116 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
18117 | if (!msg) | |
18118 | return; | |
18119 | ||
18120 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
18121 | if (!hdr) | |
18122 | goto nla_put_failure; | |
18123 | ||
18124 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
18125 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
18126 | NL80211_ATTR_PAD)) | |
5de17984 AS |
18127 | goto nla_put_failure; |
18128 | ||
18129 | genlmsg_end(msg, hdr); | |
18130 | ||
18131 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
18132 | return; | |
18133 | ||
18134 | nla_put_failure: | |
5de17984 | 18135 | nlmsg_free(msg); |
5de17984 AS |
18136 | } |
18137 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
18138 | ||
348baf0e JB |
18139 | void nl80211_send_ap_stopped(struct wireless_dev *wdev) |
18140 | { | |
18141 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 18142 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
348baf0e JB |
18143 | struct sk_buff *msg; |
18144 | void *hdr; | |
18145 | ||
18146 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
18147 | if (!msg) | |
18148 | return; | |
18149 | ||
18150 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP); | |
18151 | if (!hdr) | |
18152 | goto out; | |
18153 | ||
18154 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
18155 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) || | |
2dad624e ND |
18156 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
18157 | NL80211_ATTR_PAD)) | |
348baf0e JB |
18158 | goto out; |
18159 | ||
18160 | genlmsg_end(msg, hdr); | |
18161 | ||
18162 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0, | |
18163 | NL80211_MCGRP_MLME, GFP_KERNEL); | |
18164 | return; | |
18165 | out: | |
18166 | nlmsg_free(msg); | |
18167 | } | |
18168 | ||
40cbfa90 SD |
18169 | int cfg80211_external_auth_request(struct net_device *dev, |
18170 | struct cfg80211_external_auth_params *params, | |
18171 | gfp_t gfp) | |
18172 | { | |
18173 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
18174 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); | |
18175 | struct sk_buff *msg; | |
18176 | void *hdr; | |
18177 | ||
18178 | if (!wdev->conn_owner_nlportid) | |
18179 | return -EINVAL; | |
18180 | ||
18181 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
18182 | if (!msg) | |
18183 | return -ENOMEM; | |
18184 | ||
18185 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH); | |
18186 | if (!hdr) | |
18187 | goto nla_put_failure; | |
18188 | ||
18189 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
18190 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
18191 | nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) || | |
18192 | nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION, | |
18193 | params->action) || | |
18194 | nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) || | |
18195 | nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len, | |
18196 | params->ssid.ssid)) | |
18197 | goto nla_put_failure; | |
18198 | ||
18199 | genlmsg_end(msg, hdr); | |
18200 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, | |
18201 | wdev->conn_owner_nlportid); | |
18202 | return 0; | |
18203 | ||
18204 | nla_put_failure: | |
18205 | nlmsg_free(msg); | |
18206 | return -ENOBUFS; | |
18207 | } | |
18208 | EXPORT_SYMBOL(cfg80211_external_auth_request); | |
18209 | ||
cb74e977 SD |
18210 | void cfg80211_update_owe_info_event(struct net_device *netdev, |
18211 | struct cfg80211_update_owe_info *owe_info, | |
18212 | gfp_t gfp) | |
18213 | { | |
18214 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
18215 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
18216 | struct sk_buff *msg; | |
18217 | void *hdr; | |
18218 | ||
18219 | trace_cfg80211_update_owe_info_event(wiphy, netdev, owe_info); | |
18220 | ||
18221 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
18222 | if (!msg) | |
18223 | return; | |
18224 | ||
18225 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_UPDATE_OWE_INFO); | |
18226 | if (!hdr) | |
18227 | goto nla_put_failure; | |
18228 | ||
18229 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
18230 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
18231 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, owe_info->peer)) | |
18232 | goto nla_put_failure; | |
18233 | ||
18234 | if (!owe_info->ie_len || | |
18235 | nla_put(msg, NL80211_ATTR_IE, owe_info->ie_len, owe_info->ie)) | |
18236 | goto nla_put_failure; | |
18237 | ||
18238 | genlmsg_end(msg, hdr); | |
18239 | ||
18240 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, | |
18241 | NL80211_MCGRP_MLME, gfp); | |
18242 | return; | |
18243 | ||
18244 | nla_put_failure: | |
18245 | genlmsg_cancel(msg, hdr); | |
18246 | nlmsg_free(msg); | |
18247 | } | |
18248 | EXPORT_SYMBOL(cfg80211_update_owe_info_event); | |
18249 | ||
55682965 JB |
18250 | /* initialisation/exit functions */ |
18251 | ||
56989f6d | 18252 | int __init nl80211_init(void) |
55682965 | 18253 | { |
0d63cbb5 | 18254 | int err; |
55682965 | 18255 | |
489111e5 | 18256 | err = genl_register_family(&nl80211_fam); |
55682965 JB |
18257 | if (err) |
18258 | return err; | |
18259 | ||
026331c4 JM |
18260 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
18261 | if (err) | |
18262 | goto err_out; | |
18263 | ||
55682965 JB |
18264 | return 0; |
18265 | err_out: | |
18266 | genl_unregister_family(&nl80211_fam); | |
18267 | return err; | |
18268 | } | |
18269 | ||
18270 | void nl80211_exit(void) | |
18271 | { | |
026331c4 | 18272 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
18273 | genl_unregister_family(&nl80211_fam); |
18274 | } |