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Commit | Line | Data |
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55682965 JB |
1 | /* |
2 | * This is the new netlink-based wireless configuration interface. | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
2740f0cf | 5 | * Copyright 2013-2014 Intel Mobile Communications GmbH |
66cd794e | 6 | * Copyright 2015-2017 Intel Deutschland GmbH |
50f32718 | 7 | * Copyright (C) 2018 Intel Corporation |
55682965 JB |
8 | */ |
9 | ||
10 | #include <linux/if.h> | |
11 | #include <linux/module.h> | |
12 | #include <linux/err.h> | |
5a0e3ad6 | 13 | #include <linux/slab.h> |
55682965 JB |
14 | #include <linux/list.h> |
15 | #include <linux/if_ether.h> | |
16 | #include <linux/ieee80211.h> | |
17 | #include <linux/nl80211.h> | |
18 | #include <linux/rtnetlink.h> | |
19 | #include <linux/netlink.h> | |
259d8c1e | 20 | #include <linux/nospec.h> |
2a519311 | 21 | #include <linux/etherdevice.h> |
463d0183 | 22 | #include <net/net_namespace.h> |
55682965 JB |
23 | #include <net/genetlink.h> |
24 | #include <net/cfg80211.h> | |
463d0183 | 25 | #include <net/sock.h> |
2a0e047e | 26 | #include <net/inet_connection_sock.h> |
55682965 JB |
27 | #include "core.h" |
28 | #include "nl80211.h" | |
b2e1b302 | 29 | #include "reg.h" |
e35e4d28 | 30 | #include "rdev-ops.h" |
55682965 | 31 | |
5fb628e9 JM |
32 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
33 | struct genl_info *info, | |
34 | struct cfg80211_crypto_settings *settings, | |
35 | int cipher_limit); | |
36 | ||
55682965 | 37 | /* the netlink family */ |
489111e5 | 38 | static struct genl_family nl80211_fam; |
55682965 | 39 | |
2a94fe48 JB |
40 | /* multicast groups */ |
41 | enum nl80211_multicast_groups { | |
42 | NL80211_MCGRP_CONFIG, | |
43 | NL80211_MCGRP_SCAN, | |
44 | NL80211_MCGRP_REGULATORY, | |
45 | NL80211_MCGRP_MLME, | |
567ffc35 | 46 | NL80211_MCGRP_VENDOR, |
50bcd31d | 47 | NL80211_MCGRP_NAN, |
2a94fe48 JB |
48 | NL80211_MCGRP_TESTMODE /* keep last - ifdef! */ |
49 | }; | |
50 | ||
51 | static const struct genl_multicast_group nl80211_mcgrps[] = { | |
71b836ec JB |
52 | [NL80211_MCGRP_CONFIG] = { .name = NL80211_MULTICAST_GROUP_CONFIG }, |
53 | [NL80211_MCGRP_SCAN] = { .name = NL80211_MULTICAST_GROUP_SCAN }, | |
54 | [NL80211_MCGRP_REGULATORY] = { .name = NL80211_MULTICAST_GROUP_REG }, | |
55 | [NL80211_MCGRP_MLME] = { .name = NL80211_MULTICAST_GROUP_MLME }, | |
56 | [NL80211_MCGRP_VENDOR] = { .name = NL80211_MULTICAST_GROUP_VENDOR }, | |
50bcd31d | 57 | [NL80211_MCGRP_NAN] = { .name = NL80211_MULTICAST_GROUP_NAN }, |
2a94fe48 | 58 | #ifdef CONFIG_NL80211_TESTMODE |
71b836ec | 59 | [NL80211_MCGRP_TESTMODE] = { .name = NL80211_MULTICAST_GROUP_TESTMODE } |
2a94fe48 JB |
60 | #endif |
61 | }; | |
62 | ||
89a54e48 JB |
63 | /* returns ERR_PTR values */ |
64 | static struct wireless_dev * | |
65 | __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs) | |
55682965 | 66 | { |
89a54e48 JB |
67 | struct cfg80211_registered_device *rdev; |
68 | struct wireless_dev *result = NULL; | |
69 | bool have_ifidx = attrs[NL80211_ATTR_IFINDEX]; | |
70 | bool have_wdev_id = attrs[NL80211_ATTR_WDEV]; | |
71 | u64 wdev_id; | |
72 | int wiphy_idx = -1; | |
73 | int ifidx = -1; | |
55682965 | 74 | |
5fe231e8 | 75 | ASSERT_RTNL(); |
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 | ||
89a54e48 JB |
87 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
88 | struct wireless_dev *wdev; | |
89 | ||
90 | if (wiphy_net(&rdev->wiphy) != netns) | |
91 | continue; | |
92 | ||
93 | if (have_wdev_id && rdev->wiphy_idx != wiphy_idx) | |
94 | continue; | |
95 | ||
53873f13 | 96 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
89a54e48 JB |
97 | if (have_ifidx && wdev->netdev && |
98 | wdev->netdev->ifindex == ifidx) { | |
99 | result = wdev; | |
100 | break; | |
101 | } | |
102 | if (have_wdev_id && wdev->identifier == (u32)wdev_id) { | |
103 | result = wdev; | |
104 | break; | |
105 | } | |
106 | } | |
89a54e48 JB |
107 | |
108 | if (result) | |
109 | break; | |
110 | } | |
111 | ||
112 | if (result) | |
113 | return result; | |
114 | return ERR_PTR(-ENODEV); | |
55682965 JB |
115 | } |
116 | ||
a9455408 | 117 | static struct cfg80211_registered_device * |
878d9ec7 | 118 | __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs) |
a9455408 | 119 | { |
7fee4778 JB |
120 | struct cfg80211_registered_device *rdev = NULL, *tmp; |
121 | struct net_device *netdev; | |
a9455408 | 122 | |
5fe231e8 | 123 | ASSERT_RTNL(); |
a9455408 | 124 | |
878d9ec7 | 125 | if (!attrs[NL80211_ATTR_WIPHY] && |
89a54e48 JB |
126 | !attrs[NL80211_ATTR_IFINDEX] && |
127 | !attrs[NL80211_ATTR_WDEV]) | |
7fee4778 JB |
128 | return ERR_PTR(-EINVAL); |
129 | ||
878d9ec7 | 130 | if (attrs[NL80211_ATTR_WIPHY]) |
7fee4778 | 131 | rdev = cfg80211_rdev_by_wiphy_idx( |
878d9ec7 | 132 | nla_get_u32(attrs[NL80211_ATTR_WIPHY])); |
a9455408 | 133 | |
89a54e48 JB |
134 | if (attrs[NL80211_ATTR_WDEV]) { |
135 | u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
136 | struct wireless_dev *wdev; | |
137 | bool found = false; | |
138 | ||
139 | tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32); | |
140 | if (tmp) { | |
141 | /* make sure wdev exists */ | |
53873f13 | 142 | list_for_each_entry(wdev, &tmp->wiphy.wdev_list, list) { |
89a54e48 JB |
143 | if (wdev->identifier != (u32)wdev_id) |
144 | continue; | |
145 | found = true; | |
146 | break; | |
147 | } | |
89a54e48 JB |
148 | |
149 | if (!found) | |
150 | tmp = NULL; | |
151 | ||
152 | if (rdev && tmp != rdev) | |
153 | return ERR_PTR(-EINVAL); | |
154 | rdev = tmp; | |
155 | } | |
156 | } | |
157 | ||
878d9ec7 JB |
158 | if (attrs[NL80211_ATTR_IFINDEX]) { |
159 | int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
7a087e74 | 160 | |
7f2b8562 | 161 | netdev = __dev_get_by_index(netns, ifindex); |
7fee4778 JB |
162 | if (netdev) { |
163 | if (netdev->ieee80211_ptr) | |
f26cbf40 ZG |
164 | tmp = wiphy_to_rdev( |
165 | netdev->ieee80211_ptr->wiphy); | |
7fee4778 JB |
166 | else |
167 | tmp = NULL; | |
168 | ||
7fee4778 JB |
169 | /* not wireless device -- return error */ |
170 | if (!tmp) | |
171 | return ERR_PTR(-EINVAL); | |
172 | ||
173 | /* mismatch -- return error */ | |
174 | if (rdev && tmp != rdev) | |
175 | return ERR_PTR(-EINVAL); | |
176 | ||
177 | rdev = tmp; | |
a9455408 | 178 | } |
a9455408 | 179 | } |
a9455408 | 180 | |
4f7eff10 JB |
181 | if (!rdev) |
182 | return ERR_PTR(-ENODEV); | |
a9455408 | 183 | |
4f7eff10 JB |
184 | if (netns != wiphy_net(&rdev->wiphy)) |
185 | return ERR_PTR(-ENODEV); | |
186 | ||
187 | return rdev; | |
a9455408 JB |
188 | } |
189 | ||
190 | /* | |
191 | * This function returns a pointer to the driver | |
192 | * that the genl_info item that is passed refers to. | |
a9455408 JB |
193 | * |
194 | * The result of this can be a PTR_ERR and hence must | |
195 | * be checked with IS_ERR() for errors. | |
196 | */ | |
197 | static struct cfg80211_registered_device * | |
4f7eff10 | 198 | cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info) |
a9455408 | 199 | { |
5fe231e8 | 200 | return __cfg80211_rdev_from_attrs(netns, info->attrs); |
a9455408 JB |
201 | } |
202 | ||
55682965 | 203 | /* policy for the attributes */ |
8cd4d456 | 204 | static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { |
55682965 JB |
205 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, |
206 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, | |
079e24ed | 207 | .len = 20-1 }, |
31888487 | 208 | [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, |
3d9d1d66 | 209 | |
72bdcf34 | 210 | [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, |
094d05dc | 211 | [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 }, |
3d9d1d66 JB |
212 | [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 }, |
213 | [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 }, | |
214 | [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 }, | |
215 | ||
b9a5f8ca JM |
216 | [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 }, |
217 | [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 }, | |
218 | [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, | |
219 | [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, | |
81077e82 | 220 | [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, |
3057dbfd | 221 | [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG }, |
55682965 JB |
222 | |
223 | [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, | |
224 | [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, | |
225 | [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
41ade00f | 226 | |
e007b857 EP |
227 | [NL80211_ATTR_MAC] = { .len = ETH_ALEN }, |
228 | [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN }, | |
41ade00f | 229 | |
b9454e83 | 230 | [NL80211_ATTR_KEY] = { .type = NLA_NESTED, }, |
41ade00f JB |
231 | [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, |
232 | .len = WLAN_MAX_KEY_LEN }, | |
233 | [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, | |
234 | [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, | |
235 | [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
81962267 | 236 | [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
e31b8213 | 237 | [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 }, |
ed1b6cc7 JB |
238 | |
239 | [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, | |
240 | [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, | |
241 | [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, | |
242 | .len = IEEE80211_MAX_DATA_LEN }, | |
243 | [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, | |
244 | .len = IEEE80211_MAX_DATA_LEN }, | |
5727ef1b JB |
245 | [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, |
246 | [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, | |
247 | [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, | |
248 | [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, | |
249 | .len = NL80211_MAX_SUPP_RATES }, | |
2ec600d6 | 250 | [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 }, |
5727ef1b | 251 | [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, |
0a9542ee | 252 | [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, |
2ec600d6 | 253 | [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, |
a4f606ea | 254 | .len = IEEE80211_MAX_MESH_ID_LEN }, |
2ec600d6 | 255 | [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, |
9f1ba906 | 256 | |
b2e1b302 LR |
257 | [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, |
258 | [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED }, | |
259 | ||
9f1ba906 JM |
260 | [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 }, |
261 | [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 }, | |
262 | [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 }, | |
90c97a04 JM |
263 | [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY, |
264 | .len = NL80211_MAX_SUPP_RATES }, | |
50b12f59 | 265 | [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 }, |
36aedc90 | 266 | |
24bdd9f4 | 267 | [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, |
15d5dda6 | 268 | [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG }, |
93da9cc1 | 269 | |
6c739419 | 270 | [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN }, |
9aed3cc1 JM |
271 | |
272 | [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, | |
273 | [NL80211_ATTR_IE] = { .type = NLA_BINARY, | |
274 | .len = IEEE80211_MAX_DATA_LEN }, | |
2a519311 JB |
275 | [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED }, |
276 | [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED }, | |
636a5d36 JM |
277 | |
278 | [NL80211_ATTR_SSID] = { .type = NLA_BINARY, | |
279 | .len = IEEE80211_MAX_SSID_LEN }, | |
280 | [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 }, | |
281 | [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 }, | |
04a773ad | 282 | [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG }, |
1965c853 | 283 | [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG }, |
dc6382ce | 284 | [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 }, |
eccb8e8f JB |
285 | [NL80211_ATTR_STA_FLAGS2] = { |
286 | .len = sizeof(struct nl80211_sta_flag_update), | |
287 | }, | |
3f77316c | 288 | [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG }, |
c0692b8f JB |
289 | [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, |
290 | [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, | |
64bf3d4b | 291 | [NL80211_ATTR_CONTROL_PORT_OVER_NL80211] = { .type = NLA_FLAG }, |
b23aa676 SO |
292 | [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, |
293 | [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, | |
294 | [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, | |
463d0183 | 295 | [NL80211_ATTR_PID] = { .type = NLA_U32 }, |
8b787643 | 296 | [NL80211_ATTR_4ADDR] = { .type = NLA_U8 }, |
9361df14 | 297 | [NL80211_ATTR_PMKID] = { .len = WLAN_PMKID_LEN }, |
9588bbd5 JM |
298 | [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, |
299 | [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, | |
13ae75b1 | 300 | [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, |
026331c4 JM |
301 | [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, |
302 | .len = IEEE80211_MAX_DATA_LEN }, | |
303 | [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, | |
ffb9eb3d | 304 | [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 }, |
d6dc1a38 | 305 | [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, |
d5cdfacb | 306 | [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, |
fd8aaaf3 | 307 | [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, |
98d2ff8b JO |
308 | [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, |
309 | [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, | |
2e161f78 | 310 | [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, |
afe0cbf8 BR |
311 | [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, |
312 | [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, | |
885a46d0 | 313 | [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, |
f7ca38df | 314 | [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, |
dbd2fd65 | 315 | [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
ff1b6e69 | 316 | [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, |
9c3990aa | 317 | [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, |
bbe6ad6d | 318 | [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, |
e5497d76 | 319 | [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED }, |
34850ab2 | 320 | [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED }, |
32e9de84 | 321 | [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 }, |
9946ecfb JM |
322 | [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY, |
323 | .len = IEEE80211_MAX_DATA_LEN }, | |
324 | [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY, | |
325 | .len = IEEE80211_MAX_DATA_LEN }, | |
f4b34b55 | 326 | [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG }, |
a1f1c21c | 327 | [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED }, |
e9f935e3 | 328 | [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG }, |
109086ce AN |
329 | [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 }, |
330 | [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 }, | |
331 | [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 }, | |
332 | [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG }, | |
333 | [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG }, | |
31fa97c5 | 334 | [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG }, |
e247bd90 | 335 | [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, |
00f740e1 AN |
336 | [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY, |
337 | .len = IEEE80211_MAX_DATA_LEN }, | |
8b60b078 | 338 | [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 }, |
7e7c8926 BG |
339 | [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG }, |
340 | [NL80211_ATTR_HT_CAPABILITY_MASK] = { | |
341 | .len = NL80211_HT_CAPABILITY_LEN | |
342 | }, | |
1d9d9213 | 343 | [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, |
1b658f11 | 344 | [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 }, |
4486ea98 | 345 | [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 }, |
89a54e48 | 346 | [NL80211_ATTR_WDEV] = { .type = NLA_U64 }, |
57b5ce07 | 347 | [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 }, |
11b6b5a4 | 348 | [NL80211_ATTR_AUTH_DATA] = { .type = NLA_BINARY, }, |
f461be3e | 349 | [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN }, |
ed473771 | 350 | [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 }, |
53cabad7 JB |
351 | [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 }, |
352 | [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 }, | |
8feb69c7 | 353 | [NL80211_ATTR_LOCAL_MESH_POWER_MODE] = {. type = NLA_U32 }, |
77765eaf VT |
354 | [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 }, |
355 | [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED }, | |
9d62a986 JM |
356 | [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 }, |
357 | [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, }, | |
3713b4e3 | 358 | [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, }, |
ee2aca34 JB |
359 | [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG }, |
360 | [NL80211_ATTR_VHT_CAPABILITY_MASK] = { | |
361 | .len = NL80211_VHT_CAPABILITY_LEN, | |
362 | }, | |
355199e0 JM |
363 | [NL80211_ATTR_MDID] = { .type = NLA_U16 }, |
364 | [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY, | |
365 | .len = IEEE80211_MAX_DATA_LEN }, | |
5e4b6f56 | 366 | [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 }, |
16ef1fe2 SW |
367 | [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 }, |
368 | [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG }, | |
369 | [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED }, | |
9a774c78 AO |
370 | [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY }, |
371 | [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY }, | |
c01fc9ad SD |
372 | [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY }, |
373 | [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY }, | |
5336fa88 | 374 | [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG }, |
60f4a7b1 | 375 | [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 }, |
ad7e718c JB |
376 | [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 }, |
377 | [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 }, | |
378 | [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY }, | |
fa9ffc74 KP |
379 | [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY, |
380 | .len = IEEE80211_QOS_MAP_LEN_MAX }, | |
1df4a510 JM |
381 | [NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN }, |
382 | [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 }, | |
df942e7b | 383 | [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 }, |
18e5ca65 | 384 | [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG }, |
34d22ce2 | 385 | [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY }, |
bab5ab7d | 386 | [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG }, |
960d01ac JB |
387 | [NL80211_ATTR_TSID] = { .type = NLA_U8 }, |
388 | [NL80211_ATTR_USER_PRIO] = { .type = NLA_U8 }, | |
389 | [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 }, | |
18998c38 | 390 | [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 }, |
ad2b26ab | 391 | [NL80211_ATTR_MAC_MASK] = { .len = ETH_ALEN }, |
1bdd716c | 392 | [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG }, |
4b681c82 | 393 | [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 }, |
9c748934 | 394 | [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 }, |
05050753 | 395 | [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG }, |
34d50519 | 396 | [NL80211_ATTR_PBSS] = { .type = NLA_FLAG }, |
38de03d2 | 397 | [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED }, |
17b94247 | 398 | [NL80211_ATTR_STA_SUPPORT_P2P_PS] = { .type = NLA_U8 }, |
c6e6a0c8 AE |
399 | [NL80211_ATTR_MU_MIMO_GROUP_DATA] = { |
400 | .len = VHT_MUMIMO_GROUPS_DATA_LEN | |
401 | }, | |
402 | [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = { .len = ETH_ALEN }, | |
cb3b7d87 | 403 | [NL80211_ATTR_NAN_MASTER_PREF] = { .type = NLA_U8 }, |
8585989d | 404 | [NL80211_ATTR_BANDS] = { .type = NLA_U32 }, |
a442b761 | 405 | [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED }, |
348bd456 JM |
406 | [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY, |
407 | .len = FILS_MAX_KEK_LEN }, | |
408 | [NL80211_ATTR_FILS_NONCES] = { .len = 2 * FILS_NONCE_LEN }, | |
ce0ce13a | 409 | [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, }, |
2fa436b3 | 410 | [NL80211_ATTR_BSSID] = { .len = ETH_ALEN }, |
bf95ecdb | 411 | [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 }, |
412 | [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = { | |
413 | .len = sizeof(struct nl80211_bss_select_rssi_adjust) | |
414 | }, | |
3093ebbe | 415 | [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 }, |
a3caf744 VK |
416 | [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY, |
417 | .len = FILS_ERP_MAX_USERNAME_LEN }, | |
418 | [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY, | |
419 | .len = FILS_ERP_MAX_REALM_LEN }, | |
420 | [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 }, | |
421 | [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY, | |
422 | .len = FILS_ERP_MAX_RRK_LEN }, | |
423 | [NL80211_ATTR_FILS_CACHE_ID] = { .len = 2 }, | |
424 | [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN }, | |
ca986ad9 | 425 | [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG }, |
40cbfa90 | 426 | [NL80211_ATTR_EXTERNAL_AUTH_SUPPORT] = { .type = NLA_FLAG }, |
52539ca8 THJ |
427 | |
428 | [NL80211_ATTR_TXQ_LIMIT] = { .type = NLA_U32 }, | |
429 | [NL80211_ATTR_TXQ_MEMORY_LIMIT] = { .type = NLA_U32 }, | |
430 | [NL80211_ATTR_TXQ_QUANTUM] = { .type = NLA_U32 }, | |
55682965 JB |
431 | }; |
432 | ||
e31b8213 | 433 | /* policy for the key attributes */ |
b54452b0 | 434 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 435 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
436 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
437 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 438 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
439 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
440 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 441 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
442 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
443 | }; | |
444 | ||
445 | /* policy for the key default flags */ | |
446 | static const struct nla_policy | |
447 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
448 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
449 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
450 | }; |
451 | ||
f83ace3b | 452 | #ifdef CONFIG_PM |
ff1b6e69 JB |
453 | /* policy for WoWLAN attributes */ |
454 | static const struct nla_policy | |
455 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
456 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
457 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
458 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
459 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
460 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
461 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
462 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
463 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
2a0e047e | 464 | [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, |
8cd4d456 | 465 | [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED }, |
2a0e047e JB |
466 | }; |
467 | ||
468 | static const struct nla_policy | |
469 | nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = { | |
470 | [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 }, | |
471 | [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 }, | |
472 | [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN }, | |
473 | [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 }, | |
474 | [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 }, | |
475 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 }, | |
476 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = { | |
477 | .len = sizeof(struct nl80211_wowlan_tcp_data_seq) | |
478 | }, | |
479 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = { | |
480 | .len = sizeof(struct nl80211_wowlan_tcp_data_token) | |
481 | }, | |
482 | [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 }, | |
483 | [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 }, | |
484 | [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 }, | |
ff1b6e69 | 485 | }; |
f83ace3b | 486 | #endif /* CONFIG_PM */ |
ff1b6e69 | 487 | |
be29b99a AK |
488 | /* policy for coalesce rule attributes */ |
489 | static const struct nla_policy | |
490 | nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = { | |
491 | [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 }, | |
492 | [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 }, | |
493 | [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED }, | |
494 | }; | |
495 | ||
e5497d76 JB |
496 | /* policy for GTK rekey offload attributes */ |
497 | static const struct nla_policy | |
498 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
499 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
500 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
501 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
502 | }; | |
503 | ||
a1f1c21c LC |
504 | static const struct nla_policy |
505 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
4a4ab0d7 | 506 | [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, |
a1f1c21c | 507 | .len = IEEE80211_MAX_SSID_LEN }, |
3007e352 | 508 | [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = { .len = ETH_ALEN }, |
88e920b4 | 509 | [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, |
a1f1c21c LC |
510 | }; |
511 | ||
3b06d277 AS |
512 | static const struct nla_policy |
513 | nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = { | |
514 | [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 }, | |
515 | [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 }, | |
516 | }; | |
517 | ||
38de03d2 AS |
518 | static const struct nla_policy |
519 | nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = { | |
520 | [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG }, | |
521 | [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 }, | |
522 | [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = { | |
523 | .len = sizeof(struct nl80211_bss_select_rssi_adjust) | |
524 | }, | |
525 | }; | |
526 | ||
a442b761 AB |
527 | /* policy for NAN function attributes */ |
528 | static const struct nla_policy | |
529 | nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = { | |
530 | [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 }, | |
0a27844c | 531 | [NL80211_NAN_FUNC_SERVICE_ID] = { |
a442b761 AB |
532 | .len = NL80211_NAN_FUNC_SERVICE_ID_LEN }, |
533 | [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 }, | |
534 | [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG }, | |
535 | [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG }, | |
536 | [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 }, | |
537 | [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 }, | |
538 | [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = { .len = ETH_ALEN }, | |
539 | [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG }, | |
540 | [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 }, | |
541 | [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY, | |
542 | .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN }, | |
543 | [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED }, | |
544 | [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED }, | |
545 | [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED }, | |
546 | [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 }, | |
547 | [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 }, | |
548 | }; | |
549 | ||
550 | /* policy for Service Response Filter attributes */ | |
551 | static const struct nla_policy | |
552 | nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = { | |
553 | [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG }, | |
554 | [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY, | |
555 | .len = NL80211_NAN_FUNC_SRF_MAX_LEN }, | |
556 | [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 }, | |
557 | [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED }, | |
558 | }; | |
559 | ||
ad670233 PX |
560 | /* policy for packet pattern attributes */ |
561 | static const struct nla_policy | |
562 | nl80211_packet_pattern_policy[MAX_NL80211_PKTPAT + 1] = { | |
563 | [NL80211_PKTPAT_MASK] = { .type = NLA_BINARY, }, | |
564 | [NL80211_PKTPAT_PATTERN] = { .type = NLA_BINARY, }, | |
565 | [NL80211_PKTPAT_OFFSET] = { .type = NLA_U32 }, | |
566 | }; | |
567 | ||
97990a06 JB |
568 | static int nl80211_prepare_wdev_dump(struct sk_buff *skb, |
569 | struct netlink_callback *cb, | |
570 | struct cfg80211_registered_device **rdev, | |
571 | struct wireless_dev **wdev) | |
a043897a | 572 | { |
97990a06 | 573 | int err; |
a043897a | 574 | |
97990a06 JB |
575 | if (!cb->args[0]) { |
576 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
c90c39da | 577 | genl_family_attrbuf(&nl80211_fam), |
fceb6435 | 578 | nl80211_fam.maxattr, nl80211_policy, NULL); |
97990a06 | 579 | if (err) |
ea90e0dc | 580 | return err; |
67748893 | 581 | |
c90c39da JB |
582 | *wdev = __cfg80211_wdev_from_attrs( |
583 | sock_net(skb->sk), | |
584 | genl_family_attrbuf(&nl80211_fam)); | |
ea90e0dc JB |
585 | if (IS_ERR(*wdev)) |
586 | return PTR_ERR(*wdev); | |
f26cbf40 | 587 | *rdev = wiphy_to_rdev((*wdev)->wiphy); |
c319d50b JB |
588 | /* 0 is the first index - add 1 to parse only once */ |
589 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
97990a06 JB |
590 | cb->args[1] = (*wdev)->identifier; |
591 | } else { | |
c319d50b JB |
592 | /* subtract the 1 again here */ |
593 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
97990a06 | 594 | struct wireless_dev *tmp; |
67748893 | 595 | |
ea90e0dc JB |
596 | if (!wiphy) |
597 | return -ENODEV; | |
f26cbf40 | 598 | *rdev = wiphy_to_rdev(wiphy); |
97990a06 | 599 | *wdev = NULL; |
67748893 | 600 | |
53873f13 | 601 | list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) { |
97990a06 JB |
602 | if (tmp->identifier == cb->args[1]) { |
603 | *wdev = tmp; | |
604 | break; | |
605 | } | |
606 | } | |
67748893 | 607 | |
ea90e0dc JB |
608 | if (!*wdev) |
609 | return -ENODEV; | |
67748893 JB |
610 | } |
611 | ||
67748893 | 612 | return 0; |
67748893 JB |
613 | } |
614 | ||
f4a11bb0 JB |
615 | /* IE validation */ |
616 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
617 | { | |
618 | const u8 *pos; | |
619 | int len; | |
620 | ||
621 | if (!attr) | |
622 | return true; | |
623 | ||
624 | pos = nla_data(attr); | |
625 | len = nla_len(attr); | |
626 | ||
627 | while (len) { | |
628 | u8 elemlen; | |
629 | ||
630 | if (len < 2) | |
631 | return false; | |
632 | len -= 2; | |
633 | ||
634 | elemlen = pos[1]; | |
635 | if (elemlen > len) | |
636 | return false; | |
637 | ||
638 | len -= elemlen; | |
639 | pos += 2 + elemlen; | |
640 | } | |
641 | ||
642 | return true; | |
643 | } | |
644 | ||
55682965 | 645 | /* message building helper */ |
15e47304 | 646 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq, |
55682965 JB |
647 | int flags, u8 cmd) |
648 | { | |
649 | /* since there is no private header just add the generic one */ | |
15e47304 | 650 | return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd); |
55682965 JB |
651 | } |
652 | ||
50f32718 HD |
653 | static int nl80211_msg_put_wmm_rules(struct sk_buff *msg, |
654 | const struct ieee80211_reg_rule *rule) | |
655 | { | |
656 | int j; | |
657 | struct nlattr *nl_wmm_rules = | |
658 | nla_nest_start(msg, NL80211_FREQUENCY_ATTR_WMM); | |
659 | ||
660 | if (!nl_wmm_rules) | |
661 | goto nla_put_failure; | |
662 | ||
663 | for (j = 0; j < IEEE80211_NUM_ACS; j++) { | |
664 | struct nlattr *nl_wmm_rule = nla_nest_start(msg, j); | |
665 | ||
666 | if (!nl_wmm_rule) | |
667 | goto nla_put_failure; | |
668 | ||
669 | if (nla_put_u16(msg, NL80211_WMMR_CW_MIN, | |
670 | rule->wmm_rule->client[j].cw_min) || | |
671 | nla_put_u16(msg, NL80211_WMMR_CW_MAX, | |
672 | rule->wmm_rule->client[j].cw_max) || | |
673 | nla_put_u8(msg, NL80211_WMMR_AIFSN, | |
674 | rule->wmm_rule->client[j].aifsn) || | |
675 | nla_put_u8(msg, NL80211_WMMR_TXOP, | |
676 | rule->wmm_rule->client[j].cot)) | |
677 | goto nla_put_failure; | |
678 | ||
679 | nla_nest_end(msg, nl_wmm_rule); | |
680 | } | |
681 | nla_nest_end(msg, nl_wmm_rules); | |
682 | ||
683 | return 0; | |
684 | ||
685 | nla_put_failure: | |
686 | return -ENOBUFS; | |
687 | } | |
688 | ||
689 | static int nl80211_msg_put_channel(struct sk_buff *msg, struct wiphy *wiphy, | |
cdc89b97 JB |
690 | struct ieee80211_channel *chan, |
691 | bool large) | |
5dab3b8a | 692 | { |
ea077c1c RL |
693 | /* Some channels must be completely excluded from the |
694 | * list to protect old user-space tools from breaking | |
695 | */ | |
696 | if (!large && chan->flags & | |
697 | (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ)) | |
698 | return 0; | |
699 | ||
9360ffd1 DM |
700 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ, |
701 | chan->center_freq)) | |
702 | goto nla_put_failure; | |
5dab3b8a | 703 | |
9360ffd1 DM |
704 | if ((chan->flags & IEEE80211_CHAN_DISABLED) && |
705 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED)) | |
706 | goto nla_put_failure; | |
8fe02e16 LR |
707 | if (chan->flags & IEEE80211_CHAN_NO_IR) { |
708 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR)) | |
709 | goto nla_put_failure; | |
710 | if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS)) | |
711 | goto nla_put_failure; | |
712 | } | |
cdc89b97 JB |
713 | if (chan->flags & IEEE80211_CHAN_RADAR) { |
714 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) | |
715 | goto nla_put_failure; | |
716 | if (large) { | |
717 | u32 time; | |
718 | ||
719 | time = elapsed_jiffies_msecs(chan->dfs_state_entered); | |
720 | ||
721 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE, | |
722 | chan->dfs_state)) | |
723 | goto nla_put_failure; | |
724 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, | |
725 | time)) | |
726 | goto nla_put_failure; | |
089027e5 JD |
727 | if (nla_put_u32(msg, |
728 | NL80211_FREQUENCY_ATTR_DFS_CAC_TIME, | |
729 | chan->dfs_cac_ms)) | |
730 | goto nla_put_failure; | |
cdc89b97 JB |
731 | } |
732 | } | |
5dab3b8a | 733 | |
fe1abafd JB |
734 | if (large) { |
735 | if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) && | |
736 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS)) | |
737 | goto nla_put_failure; | |
738 | if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) && | |
739 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS)) | |
740 | goto nla_put_failure; | |
741 | if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) && | |
742 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ)) | |
743 | goto nla_put_failure; | |
744 | if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && | |
745 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) | |
746 | goto nla_put_failure; | |
570dbde1 DS |
747 | if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) && |
748 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY)) | |
749 | goto nla_put_failure; | |
06f207fc AN |
750 | if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) && |
751 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT)) | |
570dbde1 | 752 | goto nla_put_failure; |
ea077c1c RL |
753 | if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) && |
754 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ)) | |
755 | goto nla_put_failure; | |
756 | if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) && | |
757 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ)) | |
758 | goto nla_put_failure; | |
fe1abafd JB |
759 | } |
760 | ||
9360ffd1 DM |
761 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, |
762 | DBM_TO_MBM(chan->max_power))) | |
763 | goto nla_put_failure; | |
5dab3b8a | 764 | |
50f32718 HD |
765 | if (large) { |
766 | const struct ieee80211_reg_rule *rule = | |
767 | freq_reg_info(wiphy, chan->center_freq); | |
768 | ||
769 | if (!IS_ERR(rule) && rule->wmm_rule) { | |
770 | if (nl80211_msg_put_wmm_rules(msg, rule)) | |
771 | goto nla_put_failure; | |
772 | } | |
773 | } | |
774 | ||
5dab3b8a LR |
775 | return 0; |
776 | ||
777 | nla_put_failure: | |
778 | return -ENOBUFS; | |
779 | } | |
780 | ||
52539ca8 THJ |
781 | static bool nl80211_put_txq_stats(struct sk_buff *msg, |
782 | struct cfg80211_txq_stats *txqstats, | |
783 | int attrtype) | |
784 | { | |
785 | struct nlattr *txqattr; | |
786 | ||
787 | #define PUT_TXQVAL_U32(attr, memb) do { \ | |
788 | if (txqstats->filled & BIT(NL80211_TXQ_STATS_ ## attr) && \ | |
789 | nla_put_u32(msg, NL80211_TXQ_STATS_ ## attr, txqstats->memb)) \ | |
790 | return false; \ | |
791 | } while (0) | |
792 | ||
793 | txqattr = nla_nest_start(msg, attrtype); | |
794 | if (!txqattr) | |
795 | return false; | |
796 | ||
797 | PUT_TXQVAL_U32(BACKLOG_BYTES, backlog_bytes); | |
798 | PUT_TXQVAL_U32(BACKLOG_PACKETS, backlog_packets); | |
799 | PUT_TXQVAL_U32(FLOWS, flows); | |
800 | PUT_TXQVAL_U32(DROPS, drops); | |
801 | PUT_TXQVAL_U32(ECN_MARKS, ecn_marks); | |
802 | PUT_TXQVAL_U32(OVERLIMIT, overlimit); | |
803 | PUT_TXQVAL_U32(OVERMEMORY, overmemory); | |
804 | PUT_TXQVAL_U32(COLLISIONS, collisions); | |
805 | PUT_TXQVAL_U32(TX_BYTES, tx_bytes); | |
806 | PUT_TXQVAL_U32(TX_PACKETS, tx_packets); | |
807 | PUT_TXQVAL_U32(MAX_FLOWS, max_flows); | |
808 | nla_nest_end(msg, txqattr); | |
809 | ||
810 | #undef PUT_TXQVAL_U32 | |
811 | return true; | |
812 | } | |
813 | ||
55682965 JB |
814 | /* netlink command implementations */ |
815 | ||
b9454e83 JB |
816 | struct key_parse { |
817 | struct key_params p; | |
818 | int idx; | |
e31b8213 | 819 | int type; |
b9454e83 | 820 | bool def, defmgmt; |
dbd2fd65 | 821 | bool def_uni, def_multi; |
b9454e83 JB |
822 | }; |
823 | ||
768075eb JB |
824 | static int nl80211_parse_key_new(struct genl_info *info, struct nlattr *key, |
825 | struct key_parse *k) | |
b9454e83 JB |
826 | { |
827 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
828 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
768075eb | 829 | nl80211_key_policy, info->extack); |
b9454e83 JB |
830 | if (err) |
831 | return err; | |
832 | ||
833 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
834 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
835 | ||
dbd2fd65 JB |
836 | if (k->def) { |
837 | k->def_uni = true; | |
838 | k->def_multi = true; | |
839 | } | |
840 | if (k->defmgmt) | |
841 | k->def_multi = true; | |
842 | ||
b9454e83 JB |
843 | if (tb[NL80211_KEY_IDX]) |
844 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
845 | ||
846 | if (tb[NL80211_KEY_DATA]) { | |
847 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
848 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
849 | } | |
850 | ||
851 | if (tb[NL80211_KEY_SEQ]) { | |
852 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
853 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
854 | } | |
855 | ||
856 | if (tb[NL80211_KEY_CIPHER]) | |
857 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
858 | ||
e31b8213 JB |
859 | if (tb[NL80211_KEY_TYPE]) { |
860 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
861 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
768075eb JB |
862 | return genl_err_attr(info, -EINVAL, |
863 | tb[NL80211_KEY_TYPE]); | |
e31b8213 JB |
864 | } |
865 | ||
dbd2fd65 JB |
866 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
867 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
7a087e74 | 868 | |
2da8f419 JB |
869 | err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, |
870 | tb[NL80211_KEY_DEFAULT_TYPES], | |
768075eb JB |
871 | nl80211_key_default_policy, |
872 | info->extack); | |
dbd2fd65 JB |
873 | if (err) |
874 | return err; | |
875 | ||
876 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
877 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
878 | } | |
879 | ||
b9454e83 JB |
880 | return 0; |
881 | } | |
882 | ||
883 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
884 | { | |
885 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
886 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
887 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
888 | } | |
889 | ||
890 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
891 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
892 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
893 | } | |
894 | ||
895 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
896 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
897 | ||
898 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
899 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
900 | ||
901 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
902 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
903 | ||
dbd2fd65 JB |
904 | if (k->def) { |
905 | k->def_uni = true; | |
906 | k->def_multi = true; | |
907 | } | |
908 | if (k->defmgmt) | |
909 | k->def_multi = true; | |
910 | ||
e31b8213 JB |
911 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
912 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
768075eb JB |
913 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) { |
914 | GENL_SET_ERR_MSG(info, "key type out of range"); | |
e31b8213 | 915 | return -EINVAL; |
768075eb | 916 | } |
e31b8213 JB |
917 | } |
918 | ||
dbd2fd65 JB |
919 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
920 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
fceb6435 JB |
921 | int err = nla_parse_nested(kdt, |
922 | NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
923 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
fe52145f JB |
924 | nl80211_key_default_policy, |
925 | info->extack); | |
dbd2fd65 JB |
926 | if (err) |
927 | return err; | |
928 | ||
929 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
930 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
931 | } | |
932 | ||
b9454e83 JB |
933 | return 0; |
934 | } | |
935 | ||
936 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
937 | { | |
938 | int err; | |
939 | ||
940 | memset(k, 0, sizeof(*k)); | |
941 | k->idx = -1; | |
e31b8213 | 942 | k->type = -1; |
b9454e83 JB |
943 | |
944 | if (info->attrs[NL80211_ATTR_KEY]) | |
768075eb | 945 | err = nl80211_parse_key_new(info, info->attrs[NL80211_ATTR_KEY], k); |
b9454e83 JB |
946 | else |
947 | err = nl80211_parse_key_old(info, k); | |
948 | ||
949 | if (err) | |
950 | return err; | |
951 | ||
768075eb JB |
952 | if (k->def && k->defmgmt) { |
953 | GENL_SET_ERR_MSG(info, "key with def && defmgmt is invalid"); | |
b9454e83 | 954 | return -EINVAL; |
768075eb | 955 | } |
b9454e83 | 956 | |
dbd2fd65 | 957 | if (k->defmgmt) { |
768075eb JB |
958 | if (k->def_uni || !k->def_multi) { |
959 | GENL_SET_ERR_MSG(info, "defmgmt key must be mcast"); | |
dbd2fd65 | 960 | return -EINVAL; |
768075eb | 961 | } |
dbd2fd65 JB |
962 | } |
963 | ||
b9454e83 JB |
964 | if (k->idx != -1) { |
965 | if (k->defmgmt) { | |
768075eb JB |
966 | if (k->idx < 4 || k->idx > 5) { |
967 | GENL_SET_ERR_MSG(info, | |
968 | "defmgmt key idx not 4 or 5"); | |
b9454e83 | 969 | return -EINVAL; |
768075eb | 970 | } |
b9454e83 | 971 | } else if (k->def) { |
768075eb JB |
972 | if (k->idx < 0 || k->idx > 3) { |
973 | GENL_SET_ERR_MSG(info, "def key idx not 0-3"); | |
b9454e83 | 974 | return -EINVAL; |
768075eb | 975 | } |
b9454e83 | 976 | } else { |
768075eb JB |
977 | if (k->idx < 0 || k->idx > 5) { |
978 | GENL_SET_ERR_MSG(info, "key idx not 0-5"); | |
b9454e83 | 979 | return -EINVAL; |
768075eb | 980 | } |
b9454e83 JB |
981 | } |
982 | } | |
983 | ||
984 | return 0; | |
985 | } | |
986 | ||
fffd0934 JB |
987 | static struct cfg80211_cached_keys * |
988 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
768075eb | 989 | struct genl_info *info, bool *no_ht) |
fffd0934 | 990 | { |
768075eb | 991 | struct nlattr *keys = info->attrs[NL80211_ATTR_KEYS]; |
fffd0934 JB |
992 | struct key_parse parse; |
993 | struct nlattr *key; | |
994 | struct cfg80211_cached_keys *result; | |
995 | int rem, err, def = 0; | |
f1c1f17a JB |
996 | bool have_key = false; |
997 | ||
998 | nla_for_each_nested(key, keys, rem) { | |
999 | have_key = true; | |
1000 | break; | |
1001 | } | |
1002 | ||
1003 | if (!have_key) | |
1004 | return NULL; | |
fffd0934 JB |
1005 | |
1006 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
1007 | if (!result) | |
1008 | return ERR_PTR(-ENOMEM); | |
1009 | ||
1010 | result->def = -1; | |
fffd0934 JB |
1011 | |
1012 | nla_for_each_nested(key, keys, rem) { | |
1013 | memset(&parse, 0, sizeof(parse)); | |
1014 | parse.idx = -1; | |
1015 | ||
768075eb | 1016 | err = nl80211_parse_key_new(info, key, &parse); |
fffd0934 JB |
1017 | if (err) |
1018 | goto error; | |
1019 | err = -EINVAL; | |
1020 | if (!parse.p.key) | |
1021 | goto error; | |
768075eb JB |
1022 | if (parse.idx < 0 || parse.idx > 3) { |
1023 | GENL_SET_ERR_MSG(info, "key index out of range [0-3]"); | |
fffd0934 | 1024 | goto error; |
768075eb | 1025 | } |
fffd0934 | 1026 | if (parse.def) { |
768075eb JB |
1027 | if (def) { |
1028 | GENL_SET_ERR_MSG(info, | |
1029 | "only one key can be default"); | |
fffd0934 | 1030 | goto error; |
768075eb | 1031 | } |
fffd0934 JB |
1032 | def = 1; |
1033 | result->def = parse.idx; | |
dbd2fd65 JB |
1034 | if (!parse.def_uni || !parse.def_multi) |
1035 | goto error; | |
fffd0934 JB |
1036 | } else if (parse.defmgmt) |
1037 | goto error; | |
1038 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 1039 | parse.idx, false, NULL); |
fffd0934 JB |
1040 | if (err) |
1041 | goto error; | |
386b1f27 JB |
1042 | if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 && |
1043 | parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) { | |
768075eb | 1044 | GENL_SET_ERR_MSG(info, "connect key must be WEP"); |
386b1f27 JB |
1045 | err = -EINVAL; |
1046 | goto error; | |
1047 | } | |
fffd0934 JB |
1048 | result->params[parse.idx].cipher = parse.p.cipher; |
1049 | result->params[parse.idx].key_len = parse.p.key_len; | |
1050 | result->params[parse.idx].key = result->data[parse.idx]; | |
1051 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
de7044ee | 1052 | |
386b1f27 JB |
1053 | /* must be WEP key if we got here */ |
1054 | if (no_ht) | |
1055 | *no_ht = true; | |
fffd0934 JB |
1056 | } |
1057 | ||
f1c1f17a JB |
1058 | if (result->def < 0) { |
1059 | err = -EINVAL; | |
768075eb | 1060 | GENL_SET_ERR_MSG(info, "need a default/TX key"); |
f1c1f17a JB |
1061 | goto error; |
1062 | } | |
1063 | ||
fffd0934 JB |
1064 | return result; |
1065 | error: | |
1066 | kfree(result); | |
1067 | return ERR_PTR(err); | |
1068 | } | |
1069 | ||
1070 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
1071 | { | |
1072 | ASSERT_WDEV_LOCK(wdev); | |
1073 | ||
fffd0934 JB |
1074 | switch (wdev->iftype) { |
1075 | case NL80211_IFTYPE_AP: | |
1076 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 1077 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 1078 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
1079 | break; |
1080 | case NL80211_IFTYPE_ADHOC: | |
fffd0934 | 1081 | case NL80211_IFTYPE_STATION: |
074ac8df | 1082 | case NL80211_IFTYPE_P2P_CLIENT: |
ceca7b71 | 1083 | if (!wdev->current_bss) |
fffd0934 JB |
1084 | return -ENOLINK; |
1085 | break; | |
de4fcbad | 1086 | case NL80211_IFTYPE_UNSPECIFIED: |
6e0bd6c3 | 1087 | case NL80211_IFTYPE_OCB: |
de4fcbad | 1088 | case NL80211_IFTYPE_MONITOR: |
cb3b7d87 | 1089 | case NL80211_IFTYPE_NAN: |
de4fcbad JB |
1090 | case NL80211_IFTYPE_P2P_DEVICE: |
1091 | case NL80211_IFTYPE_WDS: | |
1092 | case NUM_NL80211_IFTYPES: | |
fffd0934 JB |
1093 | return -EINVAL; |
1094 | } | |
1095 | ||
1096 | return 0; | |
1097 | } | |
1098 | ||
664834de JM |
1099 | static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy, |
1100 | struct nlattr *tb) | |
1101 | { | |
1102 | struct ieee80211_channel *chan; | |
1103 | ||
1104 | if (tb == NULL) | |
1105 | return NULL; | |
1106 | chan = ieee80211_get_channel(wiphy, nla_get_u32(tb)); | |
1107 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) | |
1108 | return NULL; | |
1109 | return chan; | |
1110 | } | |
1111 | ||
7527a782 JB |
1112 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
1113 | { | |
1114 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
1115 | int i; | |
1116 | ||
1117 | if (!nl_modes) | |
1118 | goto nla_put_failure; | |
1119 | ||
1120 | i = 0; | |
1121 | while (ifmodes) { | |
9360ffd1 DM |
1122 | if ((ifmodes & 1) && nla_put_flag(msg, i)) |
1123 | goto nla_put_failure; | |
7527a782 JB |
1124 | ifmodes >>= 1; |
1125 | i++; | |
1126 | } | |
1127 | ||
1128 | nla_nest_end(msg, nl_modes); | |
1129 | return 0; | |
1130 | ||
1131 | nla_put_failure: | |
1132 | return -ENOBUFS; | |
1133 | } | |
1134 | ||
1135 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
cdc89b97 JB |
1136 | struct sk_buff *msg, |
1137 | bool large) | |
7527a782 JB |
1138 | { |
1139 | struct nlattr *nl_combis; | |
1140 | int i, j; | |
1141 | ||
1142 | nl_combis = nla_nest_start(msg, | |
1143 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
1144 | if (!nl_combis) | |
1145 | goto nla_put_failure; | |
1146 | ||
1147 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
1148 | const struct ieee80211_iface_combination *c; | |
1149 | struct nlattr *nl_combi, *nl_limits; | |
1150 | ||
1151 | c = &wiphy->iface_combinations[i]; | |
1152 | ||
1153 | nl_combi = nla_nest_start(msg, i + 1); | |
1154 | if (!nl_combi) | |
1155 | goto nla_put_failure; | |
1156 | ||
1157 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
1158 | if (!nl_limits) | |
1159 | goto nla_put_failure; | |
1160 | ||
1161 | for (j = 0; j < c->n_limits; j++) { | |
1162 | struct nlattr *nl_limit; | |
1163 | ||
1164 | nl_limit = nla_nest_start(msg, j + 1); | |
1165 | if (!nl_limit) | |
1166 | goto nla_put_failure; | |
9360ffd1 DM |
1167 | if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, |
1168 | c->limits[j].max)) | |
1169 | goto nla_put_failure; | |
7527a782 JB |
1170 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, |
1171 | c->limits[j].types)) | |
1172 | goto nla_put_failure; | |
1173 | nla_nest_end(msg, nl_limit); | |
1174 | } | |
1175 | ||
1176 | nla_nest_end(msg, nl_limits); | |
1177 | ||
9360ffd1 DM |
1178 | if (c->beacon_int_infra_match && |
1179 | nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) | |
1180 | goto nla_put_failure; | |
1181 | if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
1182 | c->num_different_channels) || | |
1183 | nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, | |
1184 | c->max_interfaces)) | |
1185 | goto nla_put_failure; | |
cdc89b97 | 1186 | if (large && |
8c48b50a FF |
1187 | (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, |
1188 | c->radar_detect_widths) || | |
1189 | nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS, | |
1190 | c->radar_detect_regions))) | |
cdc89b97 | 1191 | goto nla_put_failure; |
0c317a02 PK |
1192 | if (c->beacon_int_min_gcd && |
1193 | nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD, | |
1194 | c->beacon_int_min_gcd)) | |
1195 | goto nla_put_failure; | |
7527a782 JB |
1196 | |
1197 | nla_nest_end(msg, nl_combi); | |
1198 | } | |
1199 | ||
1200 | nla_nest_end(msg, nl_combis); | |
1201 | ||
1202 | return 0; | |
1203 | nla_put_failure: | |
1204 | return -ENOBUFS; | |
1205 | } | |
1206 | ||
3713b4e3 | 1207 | #ifdef CONFIG_PM |
b56cf720 JB |
1208 | static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, |
1209 | struct sk_buff *msg) | |
1210 | { | |
964dc9e2 | 1211 | const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp; |
b56cf720 JB |
1212 | struct nlattr *nl_tcp; |
1213 | ||
1214 | if (!tcp) | |
1215 | return 0; | |
1216 | ||
1217 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
1218 | if (!nl_tcp) | |
1219 | return -ENOBUFS; | |
1220 | ||
1221 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1222 | tcp->data_payload_max)) | |
1223 | return -ENOBUFS; | |
1224 | ||
1225 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1226 | tcp->data_payload_max)) | |
1227 | return -ENOBUFS; | |
1228 | ||
1229 | if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ)) | |
1230 | return -ENOBUFS; | |
1231 | ||
1232 | if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
1233 | sizeof(*tcp->tok), tcp->tok)) | |
1234 | return -ENOBUFS; | |
1235 | ||
1236 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
1237 | tcp->data_interval_max)) | |
1238 | return -ENOBUFS; | |
1239 | ||
1240 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
1241 | tcp->wake_payload_max)) | |
1242 | return -ENOBUFS; | |
1243 | ||
1244 | nla_nest_end(msg, nl_tcp); | |
1245 | return 0; | |
1246 | } | |
1247 | ||
3713b4e3 | 1248 | static int nl80211_send_wowlan(struct sk_buff *msg, |
1b8ec87a | 1249 | struct cfg80211_registered_device *rdev, |
b56cf720 | 1250 | bool large) |
55682965 | 1251 | { |
3713b4e3 | 1252 | struct nlattr *nl_wowlan; |
55682965 | 1253 | |
1b8ec87a | 1254 | if (!rdev->wiphy.wowlan) |
3713b4e3 | 1255 | return 0; |
55682965 | 1256 | |
3713b4e3 JB |
1257 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); |
1258 | if (!nl_wowlan) | |
1259 | return -ENOBUFS; | |
9360ffd1 | 1260 | |
1b8ec87a | 1261 | if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) && |
3713b4e3 | 1262 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
1b8ec87a | 1263 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) && |
3713b4e3 | 1264 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
1b8ec87a | 1265 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) && |
3713b4e3 | 1266 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
1b8ec87a | 1267 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && |
3713b4e3 | 1268 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) || |
1b8ec87a | 1269 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && |
3713b4e3 | 1270 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
1b8ec87a | 1271 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && |
3713b4e3 | 1272 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
1b8ec87a | 1273 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && |
3713b4e3 | 1274 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
1b8ec87a | 1275 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) && |
3713b4e3 JB |
1276 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
1277 | return -ENOBUFS; | |
9360ffd1 | 1278 | |
1b8ec87a | 1279 | if (rdev->wiphy.wowlan->n_patterns) { |
50ac6607 | 1280 | struct nl80211_pattern_support pat = { |
1b8ec87a ZG |
1281 | .max_patterns = rdev->wiphy.wowlan->n_patterns, |
1282 | .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len, | |
1283 | .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len, | |
1284 | .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset, | |
3713b4e3 | 1285 | }; |
9360ffd1 | 1286 | |
3713b4e3 JB |
1287 | if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, |
1288 | sizeof(pat), &pat)) | |
1289 | return -ENOBUFS; | |
1290 | } | |
9360ffd1 | 1291 | |
75453ccb LC |
1292 | if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) && |
1293 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT, | |
1294 | rdev->wiphy.wowlan->max_nd_match_sets)) | |
1295 | return -ENOBUFS; | |
1296 | ||
1b8ec87a | 1297 | if (large && nl80211_send_wowlan_tcp_caps(rdev, msg)) |
b56cf720 JB |
1298 | return -ENOBUFS; |
1299 | ||
3713b4e3 | 1300 | nla_nest_end(msg, nl_wowlan); |
9360ffd1 | 1301 | |
3713b4e3 JB |
1302 | return 0; |
1303 | } | |
1304 | #endif | |
9360ffd1 | 1305 | |
be29b99a | 1306 | static int nl80211_send_coalesce(struct sk_buff *msg, |
1b8ec87a | 1307 | struct cfg80211_registered_device *rdev) |
be29b99a AK |
1308 | { |
1309 | struct nl80211_coalesce_rule_support rule; | |
1310 | ||
1b8ec87a | 1311 | if (!rdev->wiphy.coalesce) |
be29b99a AK |
1312 | return 0; |
1313 | ||
1b8ec87a ZG |
1314 | rule.max_rules = rdev->wiphy.coalesce->n_rules; |
1315 | rule.max_delay = rdev->wiphy.coalesce->max_delay; | |
1316 | rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns; | |
1317 | rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len; | |
1318 | rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len; | |
1319 | rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset; | |
be29b99a AK |
1320 | |
1321 | if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule)) | |
1322 | return -ENOBUFS; | |
1323 | ||
1324 | return 0; | |
1325 | } | |
1326 | ||
3713b4e3 JB |
1327 | static int nl80211_send_band_rateinfo(struct sk_buff *msg, |
1328 | struct ieee80211_supported_band *sband) | |
1329 | { | |
1330 | struct nlattr *nl_rates, *nl_rate; | |
1331 | struct ieee80211_rate *rate; | |
1332 | int i; | |
87bbbe22 | 1333 | |
3713b4e3 JB |
1334 | /* add HT info */ |
1335 | if (sband->ht_cap.ht_supported && | |
1336 | (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
1337 | sizeof(sband->ht_cap.mcs), | |
1338 | &sband->ht_cap.mcs) || | |
1339 | nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
1340 | sband->ht_cap.cap) || | |
1341 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
1342 | sband->ht_cap.ampdu_factor) || | |
1343 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
1344 | sband->ht_cap.ampdu_density))) | |
1345 | return -ENOBUFS; | |
afe0cbf8 | 1346 | |
3713b4e3 JB |
1347 | /* add VHT info */ |
1348 | if (sband->vht_cap.vht_supported && | |
1349 | (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET, | |
1350 | sizeof(sband->vht_cap.vht_mcs), | |
1351 | &sband->vht_cap.vht_mcs) || | |
1352 | nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA, | |
1353 | sband->vht_cap.cap))) | |
1354 | return -ENOBUFS; | |
f59ac048 | 1355 | |
3713b4e3 JB |
1356 | /* add bitrates */ |
1357 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
1358 | if (!nl_rates) | |
1359 | return -ENOBUFS; | |
ee688b00 | 1360 | |
3713b4e3 JB |
1361 | for (i = 0; i < sband->n_bitrates; i++) { |
1362 | nl_rate = nla_nest_start(msg, i); | |
1363 | if (!nl_rate) | |
1364 | return -ENOBUFS; | |
ee688b00 | 1365 | |
3713b4e3 JB |
1366 | rate = &sband->bitrates[i]; |
1367 | if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE, | |
1368 | rate->bitrate)) | |
1369 | return -ENOBUFS; | |
1370 | if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && | |
1371 | nla_put_flag(msg, | |
1372 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE)) | |
1373 | return -ENOBUFS; | |
ee688b00 | 1374 | |
3713b4e3 JB |
1375 | nla_nest_end(msg, nl_rate); |
1376 | } | |
d51626df | 1377 | |
3713b4e3 | 1378 | nla_nest_end(msg, nl_rates); |
bf0c111e | 1379 | |
3713b4e3 JB |
1380 | return 0; |
1381 | } | |
ee688b00 | 1382 | |
3713b4e3 JB |
1383 | static int |
1384 | nl80211_send_mgmt_stypes(struct sk_buff *msg, | |
1385 | const struct ieee80211_txrx_stypes *mgmt_stypes) | |
1386 | { | |
1387 | u16 stypes; | |
1388 | struct nlattr *nl_ftypes, *nl_ifs; | |
1389 | enum nl80211_iftype ift; | |
1390 | int i; | |
ee688b00 | 1391 | |
3713b4e3 JB |
1392 | if (!mgmt_stypes) |
1393 | return 0; | |
5dab3b8a | 1394 | |
3713b4e3 JB |
1395 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); |
1396 | if (!nl_ifs) | |
1397 | return -ENOBUFS; | |
e2f367f2 | 1398 | |
3713b4e3 JB |
1399 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1400 | nl_ftypes = nla_nest_start(msg, ift); | |
1401 | if (!nl_ftypes) | |
1402 | return -ENOBUFS; | |
1403 | i = 0; | |
1404 | stypes = mgmt_stypes[ift].tx; | |
1405 | while (stypes) { | |
1406 | if ((stypes & 1) && | |
1407 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1408 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1409 | return -ENOBUFS; | |
1410 | stypes >>= 1; | |
1411 | i++; | |
ee688b00 | 1412 | } |
3713b4e3 JB |
1413 | nla_nest_end(msg, nl_ftypes); |
1414 | } | |
ee688b00 | 1415 | |
3713b4e3 | 1416 | nla_nest_end(msg, nl_ifs); |
ee688b00 | 1417 | |
3713b4e3 JB |
1418 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
1419 | if (!nl_ifs) | |
1420 | return -ENOBUFS; | |
ee688b00 | 1421 | |
3713b4e3 JB |
1422 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1423 | nl_ftypes = nla_nest_start(msg, ift); | |
1424 | if (!nl_ftypes) | |
1425 | return -ENOBUFS; | |
1426 | i = 0; | |
1427 | stypes = mgmt_stypes[ift].rx; | |
1428 | while (stypes) { | |
1429 | if ((stypes & 1) && | |
1430 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1431 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1432 | return -ENOBUFS; | |
1433 | stypes >>= 1; | |
1434 | i++; | |
1435 | } | |
1436 | nla_nest_end(msg, nl_ftypes); | |
1437 | } | |
1438 | nla_nest_end(msg, nl_ifs); | |
ee688b00 | 1439 | |
3713b4e3 JB |
1440 | return 0; |
1441 | } | |
ee688b00 | 1442 | |
1794899e JB |
1443 | #define CMD(op, n) \ |
1444 | do { \ | |
1445 | if (rdev->ops->op) { \ | |
1446 | i++; \ | |
1447 | if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \ | |
1448 | goto nla_put_failure; \ | |
1449 | } \ | |
1450 | } while (0) | |
1451 | ||
1452 | static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev, | |
1453 | struct sk_buff *msg) | |
1454 | { | |
1455 | int i = 0; | |
1456 | ||
1457 | /* | |
1458 | * do *NOT* add anything into this function, new things need to be | |
1459 | * advertised only to new versions of userspace that can deal with | |
1460 | * the split (and they can't possibly care about new features... | |
1461 | */ | |
1462 | CMD(add_virtual_intf, NEW_INTERFACE); | |
1463 | CMD(change_virtual_intf, SET_INTERFACE); | |
1464 | CMD(add_key, NEW_KEY); | |
1465 | CMD(start_ap, START_AP); | |
1466 | CMD(add_station, NEW_STATION); | |
1467 | CMD(add_mpath, NEW_MPATH); | |
1468 | CMD(update_mesh_config, SET_MESH_CONFIG); | |
1469 | CMD(change_bss, SET_BSS); | |
1470 | CMD(auth, AUTHENTICATE); | |
1471 | CMD(assoc, ASSOCIATE); | |
1472 | CMD(deauth, DEAUTHENTICATE); | |
1473 | CMD(disassoc, DISASSOCIATE); | |
1474 | CMD(join_ibss, JOIN_IBSS); | |
1475 | CMD(join_mesh, JOIN_MESH); | |
1476 | CMD(set_pmksa, SET_PMKSA); | |
1477 | CMD(del_pmksa, DEL_PMKSA); | |
1478 | CMD(flush_pmksa, FLUSH_PMKSA); | |
1479 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) | |
1480 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); | |
1481 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); | |
1482 | CMD(mgmt_tx, FRAME); | |
1483 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); | |
1484 | if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { | |
1485 | i++; | |
1486 | if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) | |
1487 | goto nla_put_failure; | |
1488 | } | |
1489 | if (rdev->ops->set_monitor_channel || rdev->ops->start_ap || | |
1490 | rdev->ops->join_mesh) { | |
1491 | i++; | |
1492 | if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) | |
1493 | goto nla_put_failure; | |
1494 | } | |
1495 | CMD(set_wds_peer, SET_WDS_PEER); | |
1496 | if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { | |
1497 | CMD(tdls_mgmt, TDLS_MGMT); | |
1498 | CMD(tdls_oper, TDLS_OPER); | |
1499 | } | |
ca986ad9 | 1500 | if (rdev->wiphy.max_sched_scan_reqs) |
1794899e JB |
1501 | CMD(sched_scan_start, START_SCHED_SCAN); |
1502 | CMD(probe_client, PROBE_CLIENT); | |
1503 | CMD(set_noack_map, SET_NOACK_MAP); | |
1504 | if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { | |
1505 | i++; | |
1506 | if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) | |
1507 | goto nla_put_failure; | |
1508 | } | |
1509 | CMD(start_p2p_device, START_P2P_DEVICE); | |
1510 | CMD(set_mcast_rate, SET_MCAST_RATE); | |
1511 | #ifdef CONFIG_NL80211_TESTMODE | |
1512 | CMD(testmode_cmd, TESTMODE); | |
1513 | #endif | |
1514 | ||
1515 | if (rdev->ops->connect || rdev->ops->auth) { | |
1516 | i++; | |
1517 | if (nla_put_u32(msg, i, NL80211_CMD_CONNECT)) | |
1518 | goto nla_put_failure; | |
1519 | } | |
1520 | ||
1521 | if (rdev->ops->disconnect || rdev->ops->deauth) { | |
1522 | i++; | |
1523 | if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT)) | |
1524 | goto nla_put_failure; | |
1525 | } | |
1526 | ||
1527 | return i; | |
1528 | nla_put_failure: | |
1529 | return -ENOBUFS; | |
1530 | } | |
1531 | ||
86e8cf98 JB |
1532 | struct nl80211_dump_wiphy_state { |
1533 | s64 filter_wiphy; | |
1534 | long start; | |
019ae3a9 | 1535 | long split_start, band_start, chan_start, capa_start; |
86e8cf98 JB |
1536 | bool split; |
1537 | }; | |
1538 | ||
1b8ec87a | 1539 | static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, |
3bb20556 | 1540 | enum nl80211_commands cmd, |
3713b4e3 | 1541 | struct sk_buff *msg, u32 portid, u32 seq, |
86e8cf98 | 1542 | int flags, struct nl80211_dump_wiphy_state *state) |
3713b4e3 JB |
1543 | { |
1544 | void *hdr; | |
1545 | struct nlattr *nl_bands, *nl_band; | |
1546 | struct nlattr *nl_freqs, *nl_freq; | |
1547 | struct nlattr *nl_cmds; | |
57fbcce3 | 1548 | enum nl80211_band band; |
3713b4e3 JB |
1549 | struct ieee80211_channel *chan; |
1550 | int i; | |
1551 | const struct ieee80211_txrx_stypes *mgmt_stypes = | |
1b8ec87a | 1552 | rdev->wiphy.mgmt_stypes; |
fe1abafd | 1553 | u32 features; |
ee688b00 | 1554 | |
3bb20556 | 1555 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
3713b4e3 JB |
1556 | if (!hdr) |
1557 | return -ENOBUFS; | |
ee688b00 | 1558 | |
86e8cf98 JB |
1559 | if (WARN_ON(!state)) |
1560 | return -EINVAL; | |
ee688b00 | 1561 | |
1b8ec87a | 1562 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
3713b4e3 | 1563 | nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, |
1b8ec87a | 1564 | wiphy_name(&rdev->wiphy)) || |
3713b4e3 JB |
1565 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
1566 | cfg80211_rdev_list_generation)) | |
8fdc621d JB |
1567 | goto nla_put_failure; |
1568 | ||
3bb20556 JB |
1569 | if (cmd != NL80211_CMD_NEW_WIPHY) |
1570 | goto finish; | |
1571 | ||
86e8cf98 | 1572 | switch (state->split_start) { |
3713b4e3 JB |
1573 | case 0: |
1574 | if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, | |
1b8ec87a | 1575 | rdev->wiphy.retry_short) || |
3713b4e3 | 1576 | nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, |
1b8ec87a | 1577 | rdev->wiphy.retry_long) || |
3713b4e3 | 1578 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, |
1b8ec87a | 1579 | rdev->wiphy.frag_threshold) || |
3713b4e3 | 1580 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, |
1b8ec87a | 1581 | rdev->wiphy.rts_threshold) || |
3713b4e3 | 1582 | nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, |
1b8ec87a | 1583 | rdev->wiphy.coverage_class) || |
3713b4e3 | 1584 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, |
1b8ec87a | 1585 | rdev->wiphy.max_scan_ssids) || |
3713b4e3 | 1586 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, |
1b8ec87a | 1587 | rdev->wiphy.max_sched_scan_ssids) || |
3713b4e3 | 1588 | nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, |
1b8ec87a | 1589 | rdev->wiphy.max_scan_ie_len) || |
3713b4e3 | 1590 | nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, |
1b8ec87a | 1591 | rdev->wiphy.max_sched_scan_ie_len) || |
3713b4e3 | 1592 | nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS, |
3b06d277 AS |
1593 | rdev->wiphy.max_match_sets) || |
1594 | nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS, | |
1595 | rdev->wiphy.max_sched_scan_plans) || | |
1596 | nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL, | |
1597 | rdev->wiphy.max_sched_scan_plan_interval) || | |
1598 | nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS, | |
1599 | rdev->wiphy.max_sched_scan_plan_iterations)) | |
9360ffd1 | 1600 | goto nla_put_failure; |
3713b4e3 | 1601 | |
1b8ec87a | 1602 | if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && |
3713b4e3 | 1603 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN)) |
aa430da4 | 1604 | goto nla_put_failure; |
1b8ec87a | 1605 | if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && |
3713b4e3 JB |
1606 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH)) |
1607 | goto nla_put_failure; | |
1b8ec87a | 1608 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && |
3713b4e3 JB |
1609 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD)) |
1610 | goto nla_put_failure; | |
1b8ec87a | 1611 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && |
3713b4e3 JB |
1612 | nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT)) |
1613 | goto nla_put_failure; | |
1b8ec87a | 1614 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && |
3713b4e3 JB |
1615 | nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT)) |
1616 | goto nla_put_failure; | |
1b8ec87a | 1617 | if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && |
3713b4e3 | 1618 | nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) |
9360ffd1 | 1619 | goto nla_put_failure; |
86e8cf98 JB |
1620 | state->split_start++; |
1621 | if (state->split) | |
3713b4e3 JB |
1622 | break; |
1623 | case 1: | |
1624 | if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, | |
1b8ec87a ZG |
1625 | sizeof(u32) * rdev->wiphy.n_cipher_suites, |
1626 | rdev->wiphy.cipher_suites)) | |
3713b4e3 | 1627 | goto nla_put_failure; |
4745fc09 | 1628 | |
3713b4e3 | 1629 | if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
1b8ec87a | 1630 | rdev->wiphy.max_num_pmkids)) |
3713b4e3 | 1631 | goto nla_put_failure; |
b23aa676 | 1632 | |
1b8ec87a | 1633 | if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && |
3713b4e3 | 1634 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE)) |
9360ffd1 | 1635 | goto nla_put_failure; |
b23aa676 | 1636 | |
3713b4e3 | 1637 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
1b8ec87a | 1638 | rdev->wiphy.available_antennas_tx) || |
3713b4e3 | 1639 | nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, |
1b8ec87a | 1640 | rdev->wiphy.available_antennas_rx)) |
9360ffd1 | 1641 | goto nla_put_failure; |
b23aa676 | 1642 | |
1b8ec87a | 1643 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && |
3713b4e3 | 1644 | nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, |
1b8ec87a | 1645 | rdev->wiphy.probe_resp_offload)) |
3713b4e3 | 1646 | goto nla_put_failure; |
8fdc621d | 1647 | |
1b8ec87a ZG |
1648 | if ((rdev->wiphy.available_antennas_tx || |
1649 | rdev->wiphy.available_antennas_rx) && | |
1650 | rdev->ops->get_antenna) { | |
3713b4e3 JB |
1651 | u32 tx_ant = 0, rx_ant = 0; |
1652 | int res; | |
7a087e74 | 1653 | |
1b8ec87a | 1654 | res = rdev_get_antenna(rdev, &tx_ant, &rx_ant); |
3713b4e3 JB |
1655 | if (!res) { |
1656 | if (nla_put_u32(msg, | |
1657 | NL80211_ATTR_WIPHY_ANTENNA_TX, | |
1658 | tx_ant) || | |
1659 | nla_put_u32(msg, | |
1660 | NL80211_ATTR_WIPHY_ANTENNA_RX, | |
1661 | rx_ant)) | |
1662 | goto nla_put_failure; | |
1663 | } | |
1664 | } | |
a293911d | 1665 | |
86e8cf98 JB |
1666 | state->split_start++; |
1667 | if (state->split) | |
3713b4e3 JB |
1668 | break; |
1669 | case 2: | |
1670 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, | |
1b8ec87a | 1671 | rdev->wiphy.interface_modes)) |
3713b4e3 | 1672 | goto nla_put_failure; |
86e8cf98 JB |
1673 | state->split_start++; |
1674 | if (state->split) | |
3713b4e3 JB |
1675 | break; |
1676 | case 3: | |
1677 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); | |
1678 | if (!nl_bands) | |
1679 | goto nla_put_failure; | |
f7ca38df | 1680 | |
86e8cf98 | 1681 | for (band = state->band_start; |
57fbcce3 | 1682 | band < NUM_NL80211_BANDS; band++) { |
3713b4e3 | 1683 | struct ieee80211_supported_band *sband; |
2e161f78 | 1684 | |
1b8ec87a | 1685 | sband = rdev->wiphy.bands[band]; |
2e161f78 | 1686 | |
3713b4e3 JB |
1687 | if (!sband) |
1688 | continue; | |
1689 | ||
1690 | nl_band = nla_nest_start(msg, band); | |
1691 | if (!nl_band) | |
2e161f78 | 1692 | goto nla_put_failure; |
3713b4e3 | 1693 | |
86e8cf98 | 1694 | switch (state->chan_start) { |
3713b4e3 JB |
1695 | case 0: |
1696 | if (nl80211_send_band_rateinfo(msg, sband)) | |
9360ffd1 | 1697 | goto nla_put_failure; |
86e8cf98 JB |
1698 | state->chan_start++; |
1699 | if (state->split) | |
3713b4e3 JB |
1700 | break; |
1701 | default: | |
1702 | /* add frequencies */ | |
1703 | nl_freqs = nla_nest_start( | |
1704 | msg, NL80211_BAND_ATTR_FREQS); | |
1705 | if (!nl_freqs) | |
1706 | goto nla_put_failure; | |
1707 | ||
86e8cf98 | 1708 | for (i = state->chan_start - 1; |
3713b4e3 JB |
1709 | i < sband->n_channels; |
1710 | i++) { | |
1711 | nl_freq = nla_nest_start(msg, i); | |
1712 | if (!nl_freq) | |
1713 | goto nla_put_failure; | |
1714 | ||
1715 | chan = &sband->channels[i]; | |
1716 | ||
86e8cf98 | 1717 | if (nl80211_msg_put_channel( |
50f32718 | 1718 | msg, &rdev->wiphy, chan, |
86e8cf98 | 1719 | state->split)) |
3713b4e3 JB |
1720 | goto nla_put_failure; |
1721 | ||
1722 | nla_nest_end(msg, nl_freq); | |
86e8cf98 | 1723 | if (state->split) |
3713b4e3 JB |
1724 | break; |
1725 | } | |
1726 | if (i < sband->n_channels) | |
86e8cf98 | 1727 | state->chan_start = i + 2; |
3713b4e3 | 1728 | else |
86e8cf98 | 1729 | state->chan_start = 0; |
3713b4e3 JB |
1730 | nla_nest_end(msg, nl_freqs); |
1731 | } | |
1732 | ||
1733 | nla_nest_end(msg, nl_band); | |
1734 | ||
86e8cf98 | 1735 | if (state->split) { |
3713b4e3 | 1736 | /* start again here */ |
86e8cf98 | 1737 | if (state->chan_start) |
3713b4e3 JB |
1738 | band--; |
1739 | break; | |
2e161f78 | 1740 | } |
2e161f78 | 1741 | } |
3713b4e3 | 1742 | nla_nest_end(msg, nl_bands); |
2e161f78 | 1743 | |
57fbcce3 | 1744 | if (band < NUM_NL80211_BANDS) |
86e8cf98 | 1745 | state->band_start = band + 1; |
3713b4e3 | 1746 | else |
86e8cf98 | 1747 | state->band_start = 0; |
74b70a4e | 1748 | |
3713b4e3 | 1749 | /* if bands & channels are done, continue outside */ |
86e8cf98 JB |
1750 | if (state->band_start == 0 && state->chan_start == 0) |
1751 | state->split_start++; | |
1752 | if (state->split) | |
3713b4e3 JB |
1753 | break; |
1754 | case 4: | |
1755 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); | |
1756 | if (!nl_cmds) | |
2e161f78 JB |
1757 | goto nla_put_failure; |
1758 | ||
1794899e JB |
1759 | i = nl80211_add_commands_unsplit(rdev, msg); |
1760 | if (i < 0) | |
1761 | goto nla_put_failure; | |
86e8cf98 | 1762 | if (state->split) { |
5de17984 AS |
1763 | CMD(crit_proto_start, CRIT_PROTOCOL_START); |
1764 | CMD(crit_proto_stop, CRIT_PROTOCOL_STOP); | |
1b8ec87a | 1765 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) |
16ef1fe2 | 1766 | CMD(channel_switch, CHANNEL_SWITCH); |
02df00eb | 1767 | CMD(set_qos_map, SET_QOS_MAP); |
723e73ac JB |
1768 | if (rdev->wiphy.features & |
1769 | NL80211_FEATURE_SUPPORTS_WMM_ADMISSION) | |
960d01ac | 1770 | CMD(add_tx_ts, ADD_TX_TS); |
ce0ce13a | 1771 | CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST); |
088e8df8 | 1772 | CMD(update_connect_params, UPDATE_CONNECT_PARAMS); |
5de17984 | 1773 | } |
3713b4e3 | 1774 | #undef CMD |
ff1b6e69 | 1775 | |
3713b4e3 | 1776 | nla_nest_end(msg, nl_cmds); |
86e8cf98 JB |
1777 | state->split_start++; |
1778 | if (state->split) | |
3713b4e3 JB |
1779 | break; |
1780 | case 5: | |
1b8ec87a ZG |
1781 | if (rdev->ops->remain_on_channel && |
1782 | (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && | |
3713b4e3 JB |
1783 | nla_put_u32(msg, |
1784 | NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
1b8ec87a | 1785 | rdev->wiphy.max_remain_on_channel_duration)) |
3713b4e3 JB |
1786 | goto nla_put_failure; |
1787 | ||
1b8ec87a | 1788 | if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && |
3713b4e3 JB |
1789 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) |
1790 | goto nla_put_failure; | |
1791 | ||
1792 | if (nl80211_send_mgmt_stypes(msg, mgmt_stypes)) | |
1793 | goto nla_put_failure; | |
86e8cf98 JB |
1794 | state->split_start++; |
1795 | if (state->split) | |
3713b4e3 JB |
1796 | break; |
1797 | case 6: | |
1798 | #ifdef CONFIG_PM | |
1b8ec87a | 1799 | if (nl80211_send_wowlan(msg, rdev, state->split)) |
3713b4e3 | 1800 | goto nla_put_failure; |
86e8cf98 JB |
1801 | state->split_start++; |
1802 | if (state->split) | |
3713b4e3 JB |
1803 | break; |
1804 | #else | |
86e8cf98 | 1805 | state->split_start++; |
dfb89c56 | 1806 | #endif |
3713b4e3 JB |
1807 | case 7: |
1808 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, | |
1b8ec87a | 1809 | rdev->wiphy.software_iftypes)) |
3713b4e3 | 1810 | goto nla_put_failure; |
ff1b6e69 | 1811 | |
1b8ec87a | 1812 | if (nl80211_put_iface_combinations(&rdev->wiphy, msg, |
86e8cf98 | 1813 | state->split)) |
3713b4e3 | 1814 | goto nla_put_failure; |
7527a782 | 1815 | |
86e8cf98 JB |
1816 | state->split_start++; |
1817 | if (state->split) | |
3713b4e3 JB |
1818 | break; |
1819 | case 8: | |
1b8ec87a | 1820 | if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && |
3713b4e3 | 1821 | nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, |
1b8ec87a | 1822 | rdev->wiphy.ap_sme_capa)) |
3713b4e3 | 1823 | goto nla_put_failure; |
7527a782 | 1824 | |
1b8ec87a | 1825 | features = rdev->wiphy.features; |
fe1abafd JB |
1826 | /* |
1827 | * We can only add the per-channel limit information if the | |
1828 | * dump is split, otherwise it makes it too big. Therefore | |
1829 | * only advertise it in that case. | |
1830 | */ | |
86e8cf98 | 1831 | if (state->split) |
fe1abafd JB |
1832 | features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; |
1833 | if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features)) | |
3713b4e3 | 1834 | goto nla_put_failure; |
562a7480 | 1835 | |
1b8ec87a | 1836 | if (rdev->wiphy.ht_capa_mod_mask && |
3713b4e3 | 1837 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, |
1b8ec87a ZG |
1838 | sizeof(*rdev->wiphy.ht_capa_mod_mask), |
1839 | rdev->wiphy.ht_capa_mod_mask)) | |
3713b4e3 | 1840 | goto nla_put_failure; |
1f074bd8 | 1841 | |
1b8ec87a ZG |
1842 | if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && |
1843 | rdev->wiphy.max_acl_mac_addrs && | |
3713b4e3 | 1844 | nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, |
1b8ec87a | 1845 | rdev->wiphy.max_acl_mac_addrs)) |
3713b4e3 | 1846 | goto nla_put_failure; |
7e7c8926 | 1847 | |
3713b4e3 JB |
1848 | /* |
1849 | * Any information below this point is only available to | |
1850 | * applications that can deal with it being split. This | |
1851 | * helps ensure that newly added capabilities don't break | |
1852 | * older tools by overrunning their buffers. | |
1853 | * | |
1854 | * We still increment split_start so that in the split | |
1855 | * case we'll continue with more data in the next round, | |
1856 | * but break unconditionally so unsplit data stops here. | |
1857 | */ | |
86e8cf98 | 1858 | state->split_start++; |
3713b4e3 JB |
1859 | break; |
1860 | case 9: | |
1b8ec87a | 1861 | if (rdev->wiphy.extended_capabilities && |
fe1abafd | 1862 | (nla_put(msg, NL80211_ATTR_EXT_CAPA, |
1b8ec87a ZG |
1863 | rdev->wiphy.extended_capabilities_len, |
1864 | rdev->wiphy.extended_capabilities) || | |
fe1abafd | 1865 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, |
1b8ec87a ZG |
1866 | rdev->wiphy.extended_capabilities_len, |
1867 | rdev->wiphy.extended_capabilities_mask))) | |
fe1abafd | 1868 | goto nla_put_failure; |
a50df0c4 | 1869 | |
1b8ec87a | 1870 | if (rdev->wiphy.vht_capa_mod_mask && |
ee2aca34 | 1871 | nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, |
1b8ec87a ZG |
1872 | sizeof(*rdev->wiphy.vht_capa_mod_mask), |
1873 | rdev->wiphy.vht_capa_mod_mask)) | |
ee2aca34 JB |
1874 | goto nla_put_failure; |
1875 | ||
be29b99a AK |
1876 | state->split_start++; |
1877 | break; | |
1878 | case 10: | |
1b8ec87a | 1879 | if (nl80211_send_coalesce(msg, rdev)) |
be29b99a AK |
1880 | goto nla_put_failure; |
1881 | ||
1b8ec87a | 1882 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) && |
01e0daa4 FF |
1883 | (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) || |
1884 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ))) | |
1885 | goto nla_put_failure; | |
b43504cf | 1886 | |
1b8ec87a | 1887 | if (rdev->wiphy.max_ap_assoc_sta && |
b43504cf | 1888 | nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA, |
1b8ec87a | 1889 | rdev->wiphy.max_ap_assoc_sta)) |
b43504cf JM |
1890 | goto nla_put_failure; |
1891 | ||
ad7e718c JB |
1892 | state->split_start++; |
1893 | break; | |
1894 | case 11: | |
1b8ec87a | 1895 | if (rdev->wiphy.n_vendor_commands) { |
567ffc35 JB |
1896 | const struct nl80211_vendor_cmd_info *info; |
1897 | struct nlattr *nested; | |
1898 | ||
1899 | nested = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); | |
1900 | if (!nested) | |
1901 | goto nla_put_failure; | |
1902 | ||
1b8ec87a ZG |
1903 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { |
1904 | info = &rdev->wiphy.vendor_commands[i].info; | |
567ffc35 JB |
1905 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1906 | goto nla_put_failure; | |
1907 | } | |
1908 | nla_nest_end(msg, nested); | |
1909 | } | |
1910 | ||
1b8ec87a | 1911 | if (rdev->wiphy.n_vendor_events) { |
567ffc35 JB |
1912 | const struct nl80211_vendor_cmd_info *info; |
1913 | struct nlattr *nested; | |
ad7e718c | 1914 | |
567ffc35 JB |
1915 | nested = nla_nest_start(msg, |
1916 | NL80211_ATTR_VENDOR_EVENTS); | |
1917 | if (!nested) | |
ad7e718c | 1918 | goto nla_put_failure; |
567ffc35 | 1919 | |
1b8ec87a ZG |
1920 | for (i = 0; i < rdev->wiphy.n_vendor_events; i++) { |
1921 | info = &rdev->wiphy.vendor_events[i]; | |
567ffc35 JB |
1922 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1923 | goto nla_put_failure; | |
1924 | } | |
1925 | nla_nest_end(msg, nested); | |
1926 | } | |
9a774c78 AO |
1927 | state->split_start++; |
1928 | break; | |
1929 | case 12: | |
1930 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH && | |
1931 | nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS, | |
1932 | rdev->wiphy.max_num_csa_counters)) | |
1933 | goto nla_put_failure; | |
01e0daa4 | 1934 | |
1bdd716c AN |
1935 | if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && |
1936 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
1937 | goto nla_put_failure; | |
1938 | ||
ca986ad9 AVS |
1939 | if (rdev->wiphy.max_sched_scan_reqs && |
1940 | nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS, | |
1941 | rdev->wiphy.max_sched_scan_reqs)) | |
1942 | goto nla_put_failure; | |
1943 | ||
d75bb06b GKS |
1944 | if (nla_put(msg, NL80211_ATTR_EXT_FEATURES, |
1945 | sizeof(rdev->wiphy.ext_features), | |
1946 | rdev->wiphy.ext_features)) | |
1947 | goto nla_put_failure; | |
1948 | ||
38de03d2 AS |
1949 | if (rdev->wiphy.bss_select_support) { |
1950 | struct nlattr *nested; | |
1951 | u32 bss_select_support = rdev->wiphy.bss_select_support; | |
1952 | ||
1953 | nested = nla_nest_start(msg, NL80211_ATTR_BSS_SELECT); | |
1954 | if (!nested) | |
1955 | goto nla_put_failure; | |
1956 | ||
1957 | i = 0; | |
1958 | while (bss_select_support) { | |
1959 | if ((bss_select_support & 1) && | |
1960 | nla_put_flag(msg, i)) | |
1961 | goto nla_put_failure; | |
1962 | i++; | |
1963 | bss_select_support >>= 1; | |
1964 | } | |
1965 | nla_nest_end(msg, nested); | |
1966 | } | |
1967 | ||
019ae3a9 KV |
1968 | state->split_start++; |
1969 | break; | |
1970 | case 13: | |
1971 | if (rdev->wiphy.num_iftype_ext_capab && | |
1972 | rdev->wiphy.iftype_ext_capab) { | |
1973 | struct nlattr *nested_ext_capab, *nested; | |
1974 | ||
1975 | nested = nla_nest_start(msg, | |
1976 | NL80211_ATTR_IFTYPE_EXT_CAPA); | |
1977 | if (!nested) | |
1978 | goto nla_put_failure; | |
1979 | ||
1980 | for (i = state->capa_start; | |
1981 | i < rdev->wiphy.num_iftype_ext_capab; i++) { | |
1982 | const struct wiphy_iftype_ext_capab *capab; | |
1983 | ||
1984 | capab = &rdev->wiphy.iftype_ext_capab[i]; | |
1985 | ||
1986 | nested_ext_capab = nla_nest_start(msg, i); | |
1987 | if (!nested_ext_capab || | |
1988 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, | |
1989 | capab->iftype) || | |
1990 | nla_put(msg, NL80211_ATTR_EXT_CAPA, | |
1991 | capab->extended_capabilities_len, | |
1992 | capab->extended_capabilities) || | |
1993 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, | |
1994 | capab->extended_capabilities_len, | |
1995 | capab->extended_capabilities_mask)) | |
1996 | goto nla_put_failure; | |
1997 | ||
1998 | nla_nest_end(msg, nested_ext_capab); | |
1999 | if (state->split) | |
2000 | break; | |
2001 | } | |
2002 | nla_nest_end(msg, nested); | |
2003 | if (i < rdev->wiphy.num_iftype_ext_capab) { | |
2004 | state->capa_start = i + 1; | |
2005 | break; | |
2006 | } | |
2007 | } | |
2008 | ||
8585989d LC |
2009 | if (nla_put_u32(msg, NL80211_ATTR_BANDS, |
2010 | rdev->wiphy.nan_supported_bands)) | |
2011 | goto nla_put_failure; | |
2012 | ||
52539ca8 THJ |
2013 | if (wiphy_ext_feature_isset(&rdev->wiphy, |
2014 | NL80211_EXT_FEATURE_TXQS)) { | |
2015 | struct cfg80211_txq_stats txqstats = {}; | |
2016 | int res; | |
2017 | ||
2018 | res = rdev_get_txq_stats(rdev, NULL, &txqstats); | |
2019 | if (!res && | |
2020 | !nl80211_put_txq_stats(msg, &txqstats, | |
2021 | NL80211_ATTR_TXQ_STATS)) | |
2022 | goto nla_put_failure; | |
2023 | ||
2024 | if (nla_put_u32(msg, NL80211_ATTR_TXQ_LIMIT, | |
2025 | rdev->wiphy.txq_limit)) | |
2026 | goto nla_put_failure; | |
2027 | if (nla_put_u32(msg, NL80211_ATTR_TXQ_MEMORY_LIMIT, | |
2028 | rdev->wiphy.txq_memory_limit)) | |
2029 | goto nla_put_failure; | |
2030 | if (nla_put_u32(msg, NL80211_ATTR_TXQ_QUANTUM, | |
2031 | rdev->wiphy.txq_quantum)) | |
2032 | goto nla_put_failure; | |
2033 | } | |
2034 | ||
3713b4e3 | 2035 | /* done */ |
86e8cf98 | 2036 | state->split_start = 0; |
3713b4e3 JB |
2037 | break; |
2038 | } | |
3bb20556 | 2039 | finish: |
053c095a JB |
2040 | genlmsg_end(msg, hdr); |
2041 | return 0; | |
55682965 JB |
2042 | |
2043 | nla_put_failure: | |
bc3ed28c TG |
2044 | genlmsg_cancel(msg, hdr); |
2045 | return -EMSGSIZE; | |
55682965 JB |
2046 | } |
2047 | ||
86e8cf98 JB |
2048 | static int nl80211_dump_wiphy_parse(struct sk_buff *skb, |
2049 | struct netlink_callback *cb, | |
2050 | struct nl80211_dump_wiphy_state *state) | |
2051 | { | |
c90c39da | 2052 | struct nlattr **tb = genl_family_attrbuf(&nl80211_fam); |
fceb6435 JB |
2053 | int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, tb, |
2054 | nl80211_fam.maxattr, nl80211_policy, NULL); | |
86e8cf98 JB |
2055 | /* ignore parse errors for backward compatibility */ |
2056 | if (ret) | |
2057 | return 0; | |
2058 | ||
2059 | state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP]; | |
2060 | if (tb[NL80211_ATTR_WIPHY]) | |
2061 | state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
2062 | if (tb[NL80211_ATTR_WDEV]) | |
2063 | state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32; | |
2064 | if (tb[NL80211_ATTR_IFINDEX]) { | |
2065 | struct net_device *netdev; | |
2066 | struct cfg80211_registered_device *rdev; | |
2067 | int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
2068 | ||
7f2b8562 | 2069 | netdev = __dev_get_by_index(sock_net(skb->sk), ifidx); |
86e8cf98 JB |
2070 | if (!netdev) |
2071 | return -ENODEV; | |
2072 | if (netdev->ieee80211_ptr) { | |
f26cbf40 | 2073 | rdev = wiphy_to_rdev( |
86e8cf98 JB |
2074 | netdev->ieee80211_ptr->wiphy); |
2075 | state->filter_wiphy = rdev->wiphy_idx; | |
2076 | } | |
86e8cf98 JB |
2077 | } |
2078 | ||
2079 | return 0; | |
2080 | } | |
2081 | ||
55682965 JB |
2082 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) |
2083 | { | |
645e77de | 2084 | int idx = 0, ret; |
86e8cf98 | 2085 | struct nl80211_dump_wiphy_state *state = (void *)cb->args[0]; |
1b8ec87a | 2086 | struct cfg80211_registered_device *rdev; |
3a5a423b | 2087 | |
5fe231e8 | 2088 | rtnl_lock(); |
86e8cf98 JB |
2089 | if (!state) { |
2090 | state = kzalloc(sizeof(*state), GFP_KERNEL); | |
57ed5cd6 JL |
2091 | if (!state) { |
2092 | rtnl_unlock(); | |
86e8cf98 | 2093 | return -ENOMEM; |
3713b4e3 | 2094 | } |
86e8cf98 JB |
2095 | state->filter_wiphy = -1; |
2096 | ret = nl80211_dump_wiphy_parse(skb, cb, state); | |
2097 | if (ret) { | |
2098 | kfree(state); | |
2099 | rtnl_unlock(); | |
2100 | return ret; | |
3713b4e3 | 2101 | } |
86e8cf98 | 2102 | cb->args[0] = (long)state; |
3713b4e3 JB |
2103 | } |
2104 | ||
1b8ec87a ZG |
2105 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
2106 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 2107 | continue; |
86e8cf98 | 2108 | if (++idx <= state->start) |
55682965 | 2109 | continue; |
86e8cf98 | 2110 | if (state->filter_wiphy != -1 && |
1b8ec87a | 2111 | state->filter_wiphy != rdev->wiphy_idx) |
3713b4e3 JB |
2112 | continue; |
2113 | /* attempt to fit multiple wiphy data chunks into the skb */ | |
2114 | do { | |
3bb20556 JB |
2115 | ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, |
2116 | skb, | |
3713b4e3 JB |
2117 | NETLINK_CB(cb->skb).portid, |
2118 | cb->nlh->nlmsg_seq, | |
86e8cf98 | 2119 | NLM_F_MULTI, state); |
3713b4e3 JB |
2120 | if (ret < 0) { |
2121 | /* | |
2122 | * If sending the wiphy data didn't fit (ENOBUFS | |
2123 | * or EMSGSIZE returned), this SKB is still | |
2124 | * empty (so it's not too big because another | |
2125 | * wiphy dataset is already in the skb) and | |
2126 | * we've not tried to adjust the dump allocation | |
2127 | * yet ... then adjust the alloc size to be | |
2128 | * bigger, and return 1 but with the empty skb. | |
2129 | * This results in an empty message being RX'ed | |
2130 | * in userspace, but that is ignored. | |
2131 | * | |
2132 | * We can then retry with the larger buffer. | |
2133 | */ | |
2134 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && | |
f12cb289 | 2135 | !skb->len && !state->split && |
3713b4e3 JB |
2136 | cb->min_dump_alloc < 4096) { |
2137 | cb->min_dump_alloc = 4096; | |
f12cb289 | 2138 | state->split_start = 0; |
d98cae64 | 2139 | rtnl_unlock(); |
3713b4e3 JB |
2140 | return 1; |
2141 | } | |
2142 | idx--; | |
2143 | break; | |
645e77de | 2144 | } |
86e8cf98 | 2145 | } while (state->split_start > 0); |
3713b4e3 | 2146 | break; |
55682965 | 2147 | } |
5fe231e8 | 2148 | rtnl_unlock(); |
55682965 | 2149 | |
86e8cf98 | 2150 | state->start = idx; |
55682965 JB |
2151 | |
2152 | return skb->len; | |
2153 | } | |
2154 | ||
86e8cf98 JB |
2155 | static int nl80211_dump_wiphy_done(struct netlink_callback *cb) |
2156 | { | |
2157 | kfree((void *)cb->args[0]); | |
2158 | return 0; | |
2159 | } | |
2160 | ||
55682965 JB |
2161 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) |
2162 | { | |
2163 | struct sk_buff *msg; | |
1b8ec87a | 2164 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
86e8cf98 | 2165 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 2166 | |
645e77de | 2167 | msg = nlmsg_new(4096, GFP_KERNEL); |
55682965 | 2168 | if (!msg) |
4c476991 | 2169 | return -ENOMEM; |
55682965 | 2170 | |
3bb20556 JB |
2171 | if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg, |
2172 | info->snd_portid, info->snd_seq, 0, | |
86e8cf98 | 2173 | &state) < 0) { |
4c476991 JB |
2174 | nlmsg_free(msg); |
2175 | return -ENOBUFS; | |
2176 | } | |
55682965 | 2177 | |
134e6375 | 2178 | return genlmsg_reply(msg, info); |
55682965 JB |
2179 | } |
2180 | ||
31888487 JM |
2181 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
2182 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
2183 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
2184 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
2185 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
2186 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
2187 | }; | |
2188 | ||
2189 | static int parse_txq_params(struct nlattr *tb[], | |
2190 | struct ieee80211_txq_params *txq_params) | |
2191 | { | |
259d8c1e DW |
2192 | u8 ac; |
2193 | ||
a3304b0a | 2194 | if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] || |
31888487 JM |
2195 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || |
2196 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
2197 | return -EINVAL; | |
2198 | ||
259d8c1e | 2199 | ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]); |
31888487 JM |
2200 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); |
2201 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
2202 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
2203 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
2204 | ||
259d8c1e | 2205 | if (ac >= NL80211_NUM_ACS) |
a3304b0a | 2206 | return -EINVAL; |
259d8c1e | 2207 | txq_params->ac = array_index_nospec(ac, NL80211_NUM_ACS); |
31888487 JM |
2208 | return 0; |
2209 | } | |
2210 | ||
f444de05 JB |
2211 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
2212 | { | |
2213 | /* | |
cc1d2806 JB |
2214 | * You can only set the channel explicitly for WDS interfaces, |
2215 | * all others have their channel managed via their respective | |
2216 | * "establish a connection" command (connect, join, ...) | |
2217 | * | |
2218 | * For AP/GO and mesh mode, the channel can be set with the | |
2219 | * channel userspace API, but is only stored and passed to the | |
2220 | * low-level driver when the AP starts or the mesh is joined. | |
2221 | * This is for backward compatibility, userspace can also give | |
2222 | * the channel in the start-ap or join-mesh commands instead. | |
f444de05 JB |
2223 | * |
2224 | * Monitors are special as they are normally slaved to | |
e8c9bd5b JB |
2225 | * whatever else is going on, so they have their own special |
2226 | * operation to set the monitor channel if possible. | |
f444de05 JB |
2227 | */ |
2228 | return !wdev || | |
2229 | wdev->iftype == NL80211_IFTYPE_AP || | |
f444de05 | 2230 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || |
074ac8df JB |
2231 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
2232 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
2233 | } |
2234 | ||
683b6d3b JB |
2235 | static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, |
2236 | struct genl_info *info, | |
2237 | struct cfg80211_chan_def *chandef) | |
2238 | { | |
dbeca2ea | 2239 | u32 control_freq; |
683b6d3b JB |
2240 | |
2241 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
2242 | return -EINVAL; | |
2243 | ||
2244 | control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
2245 | ||
2246 | chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq); | |
3d9d1d66 JB |
2247 | chandef->width = NL80211_CHAN_WIDTH_20_NOHT; |
2248 | chandef->center_freq1 = control_freq; | |
2249 | chandef->center_freq2 = 0; | |
683b6d3b JB |
2250 | |
2251 | /* Primary channel not allowed */ | |
2252 | if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) | |
2253 | return -EINVAL; | |
2254 | ||
3d9d1d66 JB |
2255 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
2256 | enum nl80211_channel_type chantype; | |
2257 | ||
2258 | chantype = nla_get_u32( | |
2259 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
2260 | ||
2261 | switch (chantype) { | |
2262 | case NL80211_CHAN_NO_HT: | |
2263 | case NL80211_CHAN_HT20: | |
2264 | case NL80211_CHAN_HT40PLUS: | |
2265 | case NL80211_CHAN_HT40MINUS: | |
2266 | cfg80211_chandef_create(chandef, chandef->chan, | |
2267 | chantype); | |
ffa4629e TM |
2268 | /* user input for center_freq is incorrect */ |
2269 | if (info->attrs[NL80211_ATTR_CENTER_FREQ1] && | |
2270 | chandef->center_freq1 != nla_get_u32( | |
2271 | info->attrs[NL80211_ATTR_CENTER_FREQ1])) | |
2272 | return -EINVAL; | |
2273 | /* center_freq2 must be zero */ | |
2274 | if (info->attrs[NL80211_ATTR_CENTER_FREQ2] && | |
2275 | nla_get_u32(info->attrs[NL80211_ATTR_CENTER_FREQ2])) | |
2276 | return -EINVAL; | |
3d9d1d66 JB |
2277 | break; |
2278 | default: | |
2279 | return -EINVAL; | |
2280 | } | |
2281 | } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) { | |
2282 | chandef->width = | |
2283 | nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]); | |
2284 | if (info->attrs[NL80211_ATTR_CENTER_FREQ1]) | |
2285 | chandef->center_freq1 = | |
2286 | nla_get_u32( | |
2287 | info->attrs[NL80211_ATTR_CENTER_FREQ1]); | |
2288 | if (info->attrs[NL80211_ATTR_CENTER_FREQ2]) | |
2289 | chandef->center_freq2 = | |
2290 | nla_get_u32( | |
2291 | info->attrs[NL80211_ATTR_CENTER_FREQ2]); | |
2292 | } | |
2293 | ||
9f5e8f6e | 2294 | if (!cfg80211_chandef_valid(chandef)) |
3d9d1d66 JB |
2295 | return -EINVAL; |
2296 | ||
9f5e8f6e JB |
2297 | if (!cfg80211_chandef_usable(&rdev->wiphy, chandef, |
2298 | IEEE80211_CHAN_DISABLED)) | |
3d9d1d66 JB |
2299 | return -EINVAL; |
2300 | ||
2f301ab2 SW |
2301 | if ((chandef->width == NL80211_CHAN_WIDTH_5 || |
2302 | chandef->width == NL80211_CHAN_WIDTH_10) && | |
2303 | !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) | |
2304 | return -EINVAL; | |
2305 | ||
683b6d3b JB |
2306 | return 0; |
2307 | } | |
2308 | ||
f444de05 | 2309 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, |
e16821bc | 2310 | struct net_device *dev, |
f444de05 JB |
2311 | struct genl_info *info) |
2312 | { | |
683b6d3b | 2313 | struct cfg80211_chan_def chandef; |
f444de05 | 2314 | int result; |
e8c9bd5b | 2315 | enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; |
e16821bc | 2316 | struct wireless_dev *wdev = NULL; |
e8c9bd5b | 2317 | |
e16821bc JM |
2318 | if (dev) |
2319 | wdev = dev->ieee80211_ptr; | |
f444de05 JB |
2320 | if (!nl80211_can_set_dev_channel(wdev)) |
2321 | return -EOPNOTSUPP; | |
e16821bc JM |
2322 | if (wdev) |
2323 | iftype = wdev->iftype; | |
f444de05 | 2324 | |
683b6d3b JB |
2325 | result = nl80211_parse_chandef(rdev, info, &chandef); |
2326 | if (result) | |
2327 | return result; | |
f444de05 | 2328 | |
e8c9bd5b | 2329 | switch (iftype) { |
aa430da4 JB |
2330 | case NL80211_IFTYPE_AP: |
2331 | case NL80211_IFTYPE_P2P_GO: | |
923b352f AN |
2332 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, |
2333 | iftype)) { | |
aa430da4 JB |
2334 | result = -EINVAL; |
2335 | break; | |
2336 | } | |
e16821bc JM |
2337 | if (wdev->beacon_interval) { |
2338 | if (!dev || !rdev->ops->set_ap_chanwidth || | |
2339 | !(rdev->wiphy.features & | |
2340 | NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) { | |
2341 | result = -EBUSY; | |
2342 | break; | |
2343 | } | |
2344 | ||
2345 | /* Only allow dynamic channel width changes */ | |
2346 | if (chandef.chan != wdev->preset_chandef.chan) { | |
2347 | result = -EBUSY; | |
2348 | break; | |
2349 | } | |
2350 | result = rdev_set_ap_chanwidth(rdev, dev, &chandef); | |
2351 | if (result) | |
2352 | break; | |
2353 | } | |
683b6d3b | 2354 | wdev->preset_chandef = chandef; |
aa430da4 JB |
2355 | result = 0; |
2356 | break; | |
cc1d2806 | 2357 | case NL80211_IFTYPE_MESH_POINT: |
683b6d3b | 2358 | result = cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
cc1d2806 | 2359 | break; |
e8c9bd5b | 2360 | case NL80211_IFTYPE_MONITOR: |
683b6d3b | 2361 | result = cfg80211_set_monitor_channel(rdev, &chandef); |
e8c9bd5b | 2362 | break; |
aa430da4 | 2363 | default: |
e8c9bd5b | 2364 | result = -EINVAL; |
f444de05 | 2365 | } |
f444de05 JB |
2366 | |
2367 | return result; | |
2368 | } | |
2369 | ||
2370 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
2371 | { | |
4c476991 JB |
2372 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2373 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 2374 | |
e16821bc | 2375 | return __nl80211_set_channel(rdev, netdev, info); |
f444de05 JB |
2376 | } |
2377 | ||
e8347eba BJ |
2378 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
2379 | { | |
43b19952 JB |
2380 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2381 | struct net_device *dev = info->user_ptr[1]; | |
2382 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 2383 | const u8 *bssid; |
e8347eba BJ |
2384 | |
2385 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2386 | return -EINVAL; | |
2387 | ||
43b19952 JB |
2388 | if (netif_running(dev)) |
2389 | return -EBUSY; | |
e8347eba | 2390 | |
43b19952 JB |
2391 | if (!rdev->ops->set_wds_peer) |
2392 | return -EOPNOTSUPP; | |
e8347eba | 2393 | |
43b19952 JB |
2394 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
2395 | return -EOPNOTSUPP; | |
e8347eba BJ |
2396 | |
2397 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
e35e4d28 | 2398 | return rdev_set_wds_peer(rdev, dev, bssid); |
e8347eba BJ |
2399 | } |
2400 | ||
55682965 JB |
2401 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
2402 | { | |
2403 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
2404 | struct net_device *netdev = NULL; |
2405 | struct wireless_dev *wdev; | |
a1e567c8 | 2406 | int result = 0, rem_txq_params = 0; |
31888487 | 2407 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
2408 | u32 changed; |
2409 | u8 retry_short = 0, retry_long = 0; | |
2410 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 2411 | u8 coverage_class = 0; |
52539ca8 | 2412 | u32 txq_limit = 0, txq_memory_limit = 0, txq_quantum = 0; |
55682965 | 2413 | |
5fe231e8 JB |
2414 | ASSERT_RTNL(); |
2415 | ||
f444de05 JB |
2416 | /* |
2417 | * Try to find the wiphy and netdev. Normally this | |
2418 | * function shouldn't need the netdev, but this is | |
2419 | * done for backward compatibility -- previously | |
2420 | * setting the channel was done per wiphy, but now | |
2421 | * it is per netdev. Previous userland like hostapd | |
2422 | * also passed a netdev to set_wiphy, so that it is | |
2423 | * possible to let that go to the right netdev! | |
2424 | */ | |
4bbf4d56 | 2425 | |
f444de05 JB |
2426 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
2427 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
2428 | ||
7f2b8562 | 2429 | netdev = __dev_get_by_index(genl_info_net(info), ifindex); |
5fe231e8 | 2430 | if (netdev && netdev->ieee80211_ptr) |
f26cbf40 | 2431 | rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy); |
5fe231e8 | 2432 | else |
f444de05 | 2433 | netdev = NULL; |
4bbf4d56 JB |
2434 | } |
2435 | ||
f444de05 | 2436 | if (!netdev) { |
878d9ec7 JB |
2437 | rdev = __cfg80211_rdev_from_attrs(genl_info_net(info), |
2438 | info->attrs); | |
5fe231e8 | 2439 | if (IS_ERR(rdev)) |
4c476991 | 2440 | return PTR_ERR(rdev); |
f444de05 JB |
2441 | wdev = NULL; |
2442 | netdev = NULL; | |
2443 | result = 0; | |
71fe96bf | 2444 | } else |
f444de05 | 2445 | wdev = netdev->ieee80211_ptr; |
f444de05 JB |
2446 | |
2447 | /* | |
2448 | * end workaround code, by now the rdev is available | |
2449 | * and locked, and wdev may or may not be NULL. | |
2450 | */ | |
4bbf4d56 JB |
2451 | |
2452 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
2453 | result = cfg80211_dev_rename( |
2454 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 | 2455 | |
4bbf4d56 | 2456 | if (result) |
7f2b8562 | 2457 | return result; |
31888487 JM |
2458 | |
2459 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
2460 | struct ieee80211_txq_params txq_params; | |
2461 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
2462 | ||
7f2b8562 YX |
2463 | if (!rdev->ops->set_txq_params) |
2464 | return -EOPNOTSUPP; | |
31888487 | 2465 | |
7f2b8562 YX |
2466 | if (!netdev) |
2467 | return -EINVAL; | |
f70f01c2 | 2468 | |
133a3ff2 | 2469 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
7f2b8562 YX |
2470 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2471 | return -EINVAL; | |
133a3ff2 | 2472 | |
7f2b8562 YX |
2473 | if (!netif_running(netdev)) |
2474 | return -ENETDOWN; | |
2b5f8b0b | 2475 | |
31888487 JM |
2476 | nla_for_each_nested(nl_txq_params, |
2477 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
2478 | rem_txq_params) { | |
bfe2c7b1 JB |
2479 | result = nla_parse_nested(tb, NL80211_TXQ_ATTR_MAX, |
2480 | nl_txq_params, | |
fe52145f JB |
2481 | txq_params_policy, |
2482 | info->extack); | |
ae811e21 JB |
2483 | if (result) |
2484 | return result; | |
31888487 JM |
2485 | result = parse_txq_params(tb, &txq_params); |
2486 | if (result) | |
7f2b8562 | 2487 | return result; |
31888487 | 2488 | |
e35e4d28 HG |
2489 | result = rdev_set_txq_params(rdev, netdev, |
2490 | &txq_params); | |
31888487 | 2491 | if (result) |
7f2b8562 | 2492 | return result; |
31888487 JM |
2493 | } |
2494 | } | |
55682965 | 2495 | |
72bdcf34 | 2496 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
e16821bc JM |
2497 | result = __nl80211_set_channel( |
2498 | rdev, | |
2499 | nl80211_can_set_dev_channel(wdev) ? netdev : NULL, | |
2500 | info); | |
72bdcf34 | 2501 | if (result) |
7f2b8562 | 2502 | return result; |
72bdcf34 JM |
2503 | } |
2504 | ||
98d2ff8b | 2505 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
c8442118 | 2506 | struct wireless_dev *txp_wdev = wdev; |
98d2ff8b JO |
2507 | enum nl80211_tx_power_setting type; |
2508 | int idx, mbm = 0; | |
2509 | ||
c8442118 JB |
2510 | if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER)) |
2511 | txp_wdev = NULL; | |
2512 | ||
7f2b8562 YX |
2513 | if (!rdev->ops->set_tx_power) |
2514 | return -EOPNOTSUPP; | |
98d2ff8b JO |
2515 | |
2516 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
2517 | type = nla_get_u32(info->attrs[idx]); | |
2518 | ||
2519 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
7f2b8562 YX |
2520 | (type != NL80211_TX_POWER_AUTOMATIC)) |
2521 | return -EINVAL; | |
98d2ff8b JO |
2522 | |
2523 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
2524 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
2525 | mbm = nla_get_u32(info->attrs[idx]); | |
2526 | } | |
2527 | ||
c8442118 | 2528 | result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); |
98d2ff8b | 2529 | if (result) |
7f2b8562 | 2530 | return result; |
98d2ff8b JO |
2531 | } |
2532 | ||
afe0cbf8 BR |
2533 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
2534 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
2535 | u32 tx_ant, rx_ant; | |
7a087e74 | 2536 | |
7f531e03 BR |
2537 | if ((!rdev->wiphy.available_antennas_tx && |
2538 | !rdev->wiphy.available_antennas_rx) || | |
7f2b8562 YX |
2539 | !rdev->ops->set_antenna) |
2540 | return -EOPNOTSUPP; | |
afe0cbf8 BR |
2541 | |
2542 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
2543 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
2544 | ||
a7ffac95 | 2545 | /* reject antenna configurations which don't match the |
7f531e03 BR |
2546 | * available antenna masks, except for the "all" mask */ |
2547 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
7f2b8562 YX |
2548 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) |
2549 | return -EINVAL; | |
a7ffac95 | 2550 | |
7f531e03 BR |
2551 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
2552 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 2553 | |
e35e4d28 | 2554 | result = rdev_set_antenna(rdev, tx_ant, rx_ant); |
afe0cbf8 | 2555 | if (result) |
7f2b8562 | 2556 | return result; |
afe0cbf8 BR |
2557 | } |
2558 | ||
b9a5f8ca JM |
2559 | changed = 0; |
2560 | ||
2561 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
2562 | retry_short = nla_get_u8( | |
2563 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
7f2b8562 YX |
2564 | if (retry_short == 0) |
2565 | return -EINVAL; | |
2566 | ||
b9a5f8ca JM |
2567 | changed |= WIPHY_PARAM_RETRY_SHORT; |
2568 | } | |
2569 | ||
2570 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
2571 | retry_long = nla_get_u8( | |
2572 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
7f2b8562 YX |
2573 | if (retry_long == 0) |
2574 | return -EINVAL; | |
2575 | ||
b9a5f8ca JM |
2576 | changed |= WIPHY_PARAM_RETRY_LONG; |
2577 | } | |
2578 | ||
2579 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
2580 | frag_threshold = nla_get_u32( | |
2581 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
7f2b8562 YX |
2582 | if (frag_threshold < 256) |
2583 | return -EINVAL; | |
2584 | ||
b9a5f8ca JM |
2585 | if (frag_threshold != (u32) -1) { |
2586 | /* | |
2587 | * Fragments (apart from the last one) are required to | |
2588 | * have even length. Make the fragmentation code | |
2589 | * simpler by stripping LSB should someone try to use | |
2590 | * odd threshold value. | |
2591 | */ | |
2592 | frag_threshold &= ~0x1; | |
2593 | } | |
2594 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
2595 | } | |
2596 | ||
2597 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
2598 | rts_threshold = nla_get_u32( | |
2599 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
2600 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
2601 | } | |
2602 | ||
81077e82 | 2603 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
3057dbfd LB |
2604 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) |
2605 | return -EINVAL; | |
2606 | ||
81077e82 LT |
2607 | coverage_class = nla_get_u8( |
2608 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
2609 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
2610 | } | |
2611 | ||
3057dbfd LB |
2612 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) { |
2613 | if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) | |
2614 | return -EOPNOTSUPP; | |
2615 | ||
2616 | changed |= WIPHY_PARAM_DYN_ACK; | |
81077e82 LT |
2617 | } |
2618 | ||
52539ca8 THJ |
2619 | if (info->attrs[NL80211_ATTR_TXQ_LIMIT]) { |
2620 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
2621 | NL80211_EXT_FEATURE_TXQS)) | |
2622 | return -EOPNOTSUPP; | |
2623 | txq_limit = nla_get_u32( | |
2624 | info->attrs[NL80211_ATTR_TXQ_LIMIT]); | |
2625 | changed |= WIPHY_PARAM_TXQ_LIMIT; | |
2626 | } | |
2627 | ||
2628 | if (info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]) { | |
2629 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
2630 | NL80211_EXT_FEATURE_TXQS)) | |
2631 | return -EOPNOTSUPP; | |
2632 | txq_memory_limit = nla_get_u32( | |
2633 | info->attrs[NL80211_ATTR_TXQ_MEMORY_LIMIT]); | |
2634 | changed |= WIPHY_PARAM_TXQ_MEMORY_LIMIT; | |
2635 | } | |
2636 | ||
2637 | if (info->attrs[NL80211_ATTR_TXQ_QUANTUM]) { | |
2638 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
2639 | NL80211_EXT_FEATURE_TXQS)) | |
2640 | return -EOPNOTSUPP; | |
2641 | txq_quantum = nla_get_u32( | |
2642 | info->attrs[NL80211_ATTR_TXQ_QUANTUM]); | |
2643 | changed |= WIPHY_PARAM_TXQ_QUANTUM; | |
2644 | } | |
2645 | ||
b9a5f8ca JM |
2646 | if (changed) { |
2647 | u8 old_retry_short, old_retry_long; | |
2648 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 2649 | u8 old_coverage_class; |
52539ca8 | 2650 | u32 old_txq_limit, old_txq_memory_limit, old_txq_quantum; |
b9a5f8ca | 2651 | |
7f2b8562 YX |
2652 | if (!rdev->ops->set_wiphy_params) |
2653 | return -EOPNOTSUPP; | |
b9a5f8ca JM |
2654 | |
2655 | old_retry_short = rdev->wiphy.retry_short; | |
2656 | old_retry_long = rdev->wiphy.retry_long; | |
2657 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
2658 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 2659 | old_coverage_class = rdev->wiphy.coverage_class; |
52539ca8 THJ |
2660 | old_txq_limit = rdev->wiphy.txq_limit; |
2661 | old_txq_memory_limit = rdev->wiphy.txq_memory_limit; | |
2662 | old_txq_quantum = rdev->wiphy.txq_quantum; | |
b9a5f8ca JM |
2663 | |
2664 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
2665 | rdev->wiphy.retry_short = retry_short; | |
2666 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
2667 | rdev->wiphy.retry_long = retry_long; | |
2668 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
2669 | rdev->wiphy.frag_threshold = frag_threshold; | |
2670 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
2671 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
2672 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
2673 | rdev->wiphy.coverage_class = coverage_class; | |
52539ca8 THJ |
2674 | if (changed & WIPHY_PARAM_TXQ_LIMIT) |
2675 | rdev->wiphy.txq_limit = txq_limit; | |
2676 | if (changed & WIPHY_PARAM_TXQ_MEMORY_LIMIT) | |
2677 | rdev->wiphy.txq_memory_limit = txq_memory_limit; | |
2678 | if (changed & WIPHY_PARAM_TXQ_QUANTUM) | |
2679 | rdev->wiphy.txq_quantum = txq_quantum; | |
b9a5f8ca | 2680 | |
e35e4d28 | 2681 | result = rdev_set_wiphy_params(rdev, changed); |
b9a5f8ca JM |
2682 | if (result) { |
2683 | rdev->wiphy.retry_short = old_retry_short; | |
2684 | rdev->wiphy.retry_long = old_retry_long; | |
2685 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
2686 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 2687 | rdev->wiphy.coverage_class = old_coverage_class; |
52539ca8 THJ |
2688 | rdev->wiphy.txq_limit = old_txq_limit; |
2689 | rdev->wiphy.txq_memory_limit = old_txq_memory_limit; | |
2690 | rdev->wiphy.txq_quantum = old_txq_quantum; | |
9189ee31 | 2691 | return result; |
b9a5f8ca JM |
2692 | } |
2693 | } | |
7f2b8562 | 2694 | return 0; |
55682965 JB |
2695 | } |
2696 | ||
71bbc994 JB |
2697 | static inline u64 wdev_id(struct wireless_dev *wdev) |
2698 | { | |
2699 | return (u64)wdev->identifier | | |
f26cbf40 | 2700 | ((u64)wiphy_to_rdev(wdev->wiphy)->wiphy_idx << 32); |
71bbc994 | 2701 | } |
55682965 | 2702 | |
683b6d3b | 2703 | static int nl80211_send_chandef(struct sk_buff *msg, |
d2859df5 | 2704 | const struct cfg80211_chan_def *chandef) |
683b6d3b | 2705 | { |
601555cd JB |
2706 | if (WARN_ON(!cfg80211_chandef_valid(chandef))) |
2707 | return -EINVAL; | |
3d9d1d66 | 2708 | |
683b6d3b JB |
2709 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
2710 | chandef->chan->center_freq)) | |
2711 | return -ENOBUFS; | |
3d9d1d66 JB |
2712 | switch (chandef->width) { |
2713 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2714 | case NL80211_CHAN_WIDTH_20: | |
2715 | case NL80211_CHAN_WIDTH_40: | |
2716 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
2717 | cfg80211_get_chandef_type(chandef))) | |
2718 | return -ENOBUFS; | |
2719 | break; | |
2720 | default: | |
2721 | break; | |
2722 | } | |
2723 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width)) | |
2724 | return -ENOBUFS; | |
2725 | if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1)) | |
2726 | return -ENOBUFS; | |
2727 | if (chandef->center_freq2 && | |
2728 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2)) | |
683b6d3b JB |
2729 | return -ENOBUFS; |
2730 | return 0; | |
2731 | } | |
2732 | ||
15e47304 | 2733 | static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
d726405a | 2734 | struct cfg80211_registered_device *rdev, |
8f894be2 | 2735 | struct wireless_dev *wdev, bool removal) |
55682965 | 2736 | { |
72fb2abc | 2737 | struct net_device *dev = wdev->netdev; |
8f894be2 | 2738 | u8 cmd = NL80211_CMD_NEW_INTERFACE; |
55682965 JB |
2739 | void *hdr; |
2740 | ||
8f894be2 TB |
2741 | if (removal) |
2742 | cmd = NL80211_CMD_DEL_INTERFACE; | |
2743 | ||
2744 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); | |
55682965 JB |
2745 | if (!hdr) |
2746 | return -1; | |
2747 | ||
72fb2abc JB |
2748 | if (dev && |
2749 | (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
98104fde | 2750 | nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) |
72fb2abc JB |
2751 | goto nla_put_failure; |
2752 | ||
2753 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2754 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || | |
2dad624e ND |
2755 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
2756 | NL80211_ATTR_PAD) || | |
98104fde | 2757 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || |
9360ffd1 DM |
2758 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
2759 | rdev->devlist_generation ^ | |
2760 | (cfg80211_rdev_list_generation << 2))) | |
2761 | goto nla_put_failure; | |
f5ea9120 | 2762 | |
5b7ccaf3 | 2763 | if (rdev->ops->get_channel) { |
683b6d3b JB |
2764 | int ret; |
2765 | struct cfg80211_chan_def chandef; | |
2766 | ||
2767 | ret = rdev_get_channel(rdev, wdev, &chandef); | |
2768 | if (ret == 0) { | |
2769 | if (nl80211_send_chandef(msg, &chandef)) | |
2770 | goto nla_put_failure; | |
2771 | } | |
d91df0e3 PF |
2772 | } |
2773 | ||
d55d0d59 RM |
2774 | if (rdev->ops->get_tx_power) { |
2775 | int dbm, ret; | |
2776 | ||
2777 | ret = rdev_get_tx_power(rdev, wdev, &dbm); | |
2778 | if (ret == 0 && | |
2779 | nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL, | |
2780 | DBM_TO_MBM(dbm))) | |
2781 | goto nla_put_failure; | |
2782 | } | |
2783 | ||
44905265 JB |
2784 | wdev_lock(wdev); |
2785 | switch (wdev->iftype) { | |
2786 | case NL80211_IFTYPE_AP: | |
2787 | if (wdev->ssid_len && | |
2788 | nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid)) | |
4564b187 | 2789 | goto nla_put_failure_locked; |
44905265 JB |
2790 | break; |
2791 | case NL80211_IFTYPE_STATION: | |
2792 | case NL80211_IFTYPE_P2P_CLIENT: | |
2793 | case NL80211_IFTYPE_ADHOC: { | |
2794 | const u8 *ssid_ie; | |
2795 | if (!wdev->current_bss) | |
2796 | break; | |
7a94b8c2 | 2797 | rcu_read_lock(); |
44905265 JB |
2798 | ssid_ie = ieee80211_bss_get_ie(&wdev->current_bss->pub, |
2799 | WLAN_EID_SSID); | |
7a94b8c2 DB |
2800 | if (ssid_ie && |
2801 | nla_put(msg, NL80211_ATTR_SSID, ssid_ie[1], ssid_ie + 2)) | |
2802 | goto nla_put_failure_rcu_locked; | |
2803 | rcu_read_unlock(); | |
44905265 JB |
2804 | break; |
2805 | } | |
2806 | default: | |
2807 | /* nothing */ | |
2808 | break; | |
b84e7a05 | 2809 | } |
44905265 | 2810 | wdev_unlock(wdev); |
b84e7a05 | 2811 | |
52539ca8 THJ |
2812 | if (rdev->ops->get_txq_stats) { |
2813 | struct cfg80211_txq_stats txqstats = {}; | |
2814 | int ret = rdev_get_txq_stats(rdev, wdev, &txqstats); | |
2815 | ||
2816 | if (ret == 0 && | |
2817 | !nl80211_put_txq_stats(msg, &txqstats, | |
2818 | NL80211_ATTR_TXQ_STATS)) | |
2819 | goto nla_put_failure; | |
2820 | } | |
2821 | ||
053c095a JB |
2822 | genlmsg_end(msg, hdr); |
2823 | return 0; | |
55682965 | 2824 | |
7a94b8c2 DB |
2825 | nla_put_failure_rcu_locked: |
2826 | rcu_read_unlock(); | |
4564b187 JB |
2827 | nla_put_failure_locked: |
2828 | wdev_unlock(wdev); | |
55682965 | 2829 | nla_put_failure: |
bc3ed28c TG |
2830 | genlmsg_cancel(msg, hdr); |
2831 | return -EMSGSIZE; | |
55682965 JB |
2832 | } |
2833 | ||
2834 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
2835 | { | |
2836 | int wp_idx = 0; | |
2837 | int if_idx = 0; | |
2838 | int wp_start = cb->args[0]; | |
2839 | int if_start = cb->args[1]; | |
b7fb44da | 2840 | int filter_wiphy = -1; |
f5ea9120 | 2841 | struct cfg80211_registered_device *rdev; |
55682965 | 2842 | struct wireless_dev *wdev; |
ea90e0dc | 2843 | int ret; |
55682965 | 2844 | |
5fe231e8 | 2845 | rtnl_lock(); |
b7fb44da DK |
2846 | if (!cb->args[2]) { |
2847 | struct nl80211_dump_wiphy_state state = { | |
2848 | .filter_wiphy = -1, | |
2849 | }; | |
b7fb44da DK |
2850 | |
2851 | ret = nl80211_dump_wiphy_parse(skb, cb, &state); | |
2852 | if (ret) | |
ea90e0dc | 2853 | goto out_unlock; |
b7fb44da DK |
2854 | |
2855 | filter_wiphy = state.filter_wiphy; | |
2856 | ||
2857 | /* | |
2858 | * if filtering, set cb->args[2] to +1 since 0 is the default | |
2859 | * value needed to determine that parsing is necessary. | |
2860 | */ | |
2861 | if (filter_wiphy >= 0) | |
2862 | cb->args[2] = filter_wiphy + 1; | |
2863 | else | |
2864 | cb->args[2] = -1; | |
2865 | } else if (cb->args[2] > 0) { | |
2866 | filter_wiphy = cb->args[2] - 1; | |
2867 | } | |
2868 | ||
f5ea9120 JB |
2869 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
2870 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 2871 | continue; |
bba95fef JB |
2872 | if (wp_idx < wp_start) { |
2873 | wp_idx++; | |
55682965 | 2874 | continue; |
bba95fef | 2875 | } |
b7fb44da DK |
2876 | |
2877 | if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx) | |
2878 | continue; | |
2879 | ||
55682965 JB |
2880 | if_idx = 0; |
2881 | ||
53873f13 | 2882 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
bba95fef JB |
2883 | if (if_idx < if_start) { |
2884 | if_idx++; | |
55682965 | 2885 | continue; |
bba95fef | 2886 | } |
15e47304 | 2887 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 2888 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
8f894be2 | 2889 | rdev, wdev, false) < 0) { |
bba95fef JB |
2890 | goto out; |
2891 | } | |
2892 | if_idx++; | |
55682965 | 2893 | } |
bba95fef JB |
2894 | |
2895 | wp_idx++; | |
55682965 | 2896 | } |
bba95fef | 2897 | out: |
55682965 JB |
2898 | cb->args[0] = wp_idx; |
2899 | cb->args[1] = if_idx; | |
2900 | ||
ea90e0dc JB |
2901 | ret = skb->len; |
2902 | out_unlock: | |
2903 | rtnl_unlock(); | |
2904 | ||
2905 | return ret; | |
55682965 JB |
2906 | } |
2907 | ||
2908 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
2909 | { | |
2910 | struct sk_buff *msg; | |
1b8ec87a | 2911 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
72fb2abc | 2912 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2913 | |
fd2120ca | 2914 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 2915 | if (!msg) |
4c476991 | 2916 | return -ENOMEM; |
55682965 | 2917 | |
15e47304 | 2918 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
8f894be2 | 2919 | rdev, wdev, false) < 0) { |
4c476991 JB |
2920 | nlmsg_free(msg); |
2921 | return -ENOBUFS; | |
2922 | } | |
55682965 | 2923 | |
134e6375 | 2924 | return genlmsg_reply(msg, info); |
55682965 JB |
2925 | } |
2926 | ||
66f7ac50 MW |
2927 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
2928 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
2929 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
2930 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
2931 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
2932 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
e057d3c3 | 2933 | [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG }, |
66f7ac50 MW |
2934 | }; |
2935 | ||
2936 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
2937 | { | |
2938 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
2939 | int flag; | |
2940 | ||
2941 | *mntrflags = 0; | |
2942 | ||
2943 | if (!nla) | |
2944 | return -EINVAL; | |
2945 | ||
fceb6435 JB |
2946 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, nla, |
2947 | mntr_flags_policy, NULL)) | |
66f7ac50 MW |
2948 | return -EINVAL; |
2949 | ||
2950 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
2951 | if (flags[flag]) | |
2952 | *mntrflags |= (1<<flag); | |
2953 | ||
818a986e JB |
2954 | *mntrflags |= MONITOR_FLAG_CHANGED; |
2955 | ||
66f7ac50 MW |
2956 | return 0; |
2957 | } | |
2958 | ||
1db77596 JB |
2959 | static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev, |
2960 | enum nl80211_iftype type, | |
2961 | struct genl_info *info, | |
2962 | struct vif_params *params) | |
2963 | { | |
2964 | bool change = false; | |
2965 | int err; | |
2966 | ||
2967 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { | |
2968 | if (type != NL80211_IFTYPE_MONITOR) | |
2969 | return -EINVAL; | |
2970 | ||
2971 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], | |
2972 | ¶ms->flags); | |
2973 | if (err) | |
2974 | return err; | |
2975 | ||
2976 | change = true; | |
2977 | } | |
2978 | ||
2979 | if (params->flags & MONITOR_FLAG_ACTIVE && | |
2980 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) | |
2981 | return -EOPNOTSUPP; | |
2982 | ||
2983 | if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) { | |
2984 | const u8 *mumimo_groups; | |
2985 | u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER; | |
2986 | ||
2987 | if (type != NL80211_IFTYPE_MONITOR) | |
2988 | return -EINVAL; | |
2989 | ||
2990 | if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag)) | |
2991 | return -EOPNOTSUPP; | |
2992 | ||
2993 | mumimo_groups = | |
2994 | nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]); | |
2995 | ||
2996 | /* bits 0 and 63 are reserved and must be zero */ | |
4954601f JB |
2997 | if ((mumimo_groups[0] & BIT(0)) || |
2998 | (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7))) | |
1db77596 JB |
2999 | return -EINVAL; |
3000 | ||
3001 | params->vht_mumimo_groups = mumimo_groups; | |
3002 | change = true; | |
3003 | } | |
3004 | ||
3005 | if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) { | |
3006 | u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER; | |
3007 | ||
3008 | if (type != NL80211_IFTYPE_MONITOR) | |
3009 | return -EINVAL; | |
3010 | ||
3011 | if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag)) | |
3012 | return -EOPNOTSUPP; | |
3013 | ||
3014 | params->vht_mumimo_follow_addr = | |
3015 | nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]); | |
3016 | change = true; | |
3017 | } | |
3018 | ||
3019 | return change ? 1 : 0; | |
3020 | } | |
3021 | ||
9bc383de | 3022 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
3023 | struct net_device *netdev, u8 use_4addr, |
3024 | enum nl80211_iftype iftype) | |
9bc383de | 3025 | { |
ad4bb6f8 | 3026 | if (!use_4addr) { |
f350a0a8 | 3027 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 3028 | return -EBUSY; |
9bc383de | 3029 | return 0; |
ad4bb6f8 | 3030 | } |
9bc383de JB |
3031 | |
3032 | switch (iftype) { | |
3033 | case NL80211_IFTYPE_AP_VLAN: | |
3034 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
3035 | return 0; | |
3036 | break; | |
3037 | case NL80211_IFTYPE_STATION: | |
3038 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
3039 | return 0; | |
3040 | break; | |
3041 | default: | |
3042 | break; | |
3043 | } | |
3044 | ||
3045 | return -EOPNOTSUPP; | |
3046 | } | |
3047 | ||
55682965 JB |
3048 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
3049 | { | |
4c476991 | 3050 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 3051 | struct vif_params params; |
e36d56b6 | 3052 | int err; |
04a773ad | 3053 | enum nl80211_iftype otype, ntype; |
4c476991 | 3054 | struct net_device *dev = info->user_ptr[1]; |
ac7f9cfa | 3055 | bool change = false; |
55682965 | 3056 | |
2ec600d6 LCC |
3057 | memset(¶ms, 0, sizeof(params)); |
3058 | ||
04a773ad | 3059 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 3060 | |
723b038d | 3061 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 3062 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 3063 | if (otype != ntype) |
ac7f9cfa | 3064 | change = true; |
4c476991 JB |
3065 | if (ntype > NL80211_IFTYPE_MAX) |
3066 | return -EINVAL; | |
723b038d JB |
3067 | } |
3068 | ||
92ffe055 | 3069 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
3070 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
3071 | ||
4c476991 JB |
3072 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
3073 | return -EINVAL; | |
29cbe68c JB |
3074 | if (netif_running(dev)) |
3075 | return -EBUSY; | |
3076 | ||
3077 | wdev_lock(wdev); | |
3078 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
3079 | IEEE80211_MAX_MESH_ID_LEN); | |
3080 | wdev->mesh_id_up_len = | |
3081 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
3082 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
3083 | wdev->mesh_id_up_len); | |
3084 | wdev_unlock(wdev); | |
2ec600d6 LCC |
3085 | } |
3086 | ||
8b787643 FF |
3087 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
3088 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
3089 | change = true; | |
ad4bb6f8 | 3090 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 3091 | if (err) |
4c476991 | 3092 | return err; |
8b787643 FF |
3093 | } else { |
3094 | params.use_4addr = -1; | |
3095 | } | |
3096 | ||
1db77596 JB |
3097 | err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms); |
3098 | if (err < 0) | |
3099 | return err; | |
3100 | if (err > 0) | |
c6e6a0c8 | 3101 | change = true; |
e057d3c3 | 3102 | |
ac7f9cfa | 3103 | if (change) |
818a986e | 3104 | err = cfg80211_change_iface(rdev, dev, ntype, ¶ms); |
ac7f9cfa JB |
3105 | else |
3106 | err = 0; | |
60719ffd | 3107 | |
9bc383de JB |
3108 | if (!err && params.use_4addr != -1) |
3109 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
3110 | ||
55682965 JB |
3111 | return err; |
3112 | } | |
3113 | ||
3114 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
3115 | { | |
4c476991 | 3116 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 3117 | struct vif_params params; |
84efbb84 | 3118 | struct wireless_dev *wdev; |
896ff063 | 3119 | struct sk_buff *msg; |
55682965 JB |
3120 | int err; |
3121 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
3122 | ||
78f22b6a JB |
3123 | /* to avoid failing a new interface creation due to pending removal */ |
3124 | cfg80211_destroy_ifaces(rdev); | |
3125 | ||
2ec600d6 LCC |
3126 | memset(¶ms, 0, sizeof(params)); |
3127 | ||
55682965 JB |
3128 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
3129 | return -EINVAL; | |
3130 | ||
3131 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
3132 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
3133 | if (type > NL80211_IFTYPE_MAX) | |
3134 | return -EINVAL; | |
3135 | } | |
3136 | ||
79c97e97 | 3137 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
3138 | !(rdev->wiphy.interface_modes & (1 << type))) |
3139 | return -EOPNOTSUPP; | |
55682965 | 3140 | |
cb3b7d87 | 3141 | if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN || |
e8f479b1 BG |
3142 | rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) && |
3143 | info->attrs[NL80211_ATTR_MAC]) { | |
1c18f145 AS |
3144 | nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC], |
3145 | ETH_ALEN); | |
3146 | if (!is_valid_ether_addr(params.macaddr)) | |
3147 | return -EADDRNOTAVAIL; | |
3148 | } | |
3149 | ||
9bc383de | 3150 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 3151 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 3152 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 3153 | if (err) |
4c476991 | 3154 | return err; |
9bc383de | 3155 | } |
8b787643 | 3156 | |
1db77596 JB |
3157 | err = nl80211_parse_mon_options(rdev, type, info, ¶ms); |
3158 | if (err < 0) | |
3159 | return err; | |
e057d3c3 | 3160 | |
a18c7192 JB |
3161 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
3162 | if (!msg) | |
3163 | return -ENOMEM; | |
3164 | ||
e35e4d28 HG |
3165 | wdev = rdev_add_virtual_intf(rdev, |
3166 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), | |
818a986e | 3167 | NET_NAME_USER, type, ¶ms); |
d687cbb7 RM |
3168 | if (WARN_ON(!wdev)) { |
3169 | nlmsg_free(msg); | |
3170 | return -EPROTO; | |
3171 | } else if (IS_ERR(wdev)) { | |
1c90f9d4 | 3172 | nlmsg_free(msg); |
84efbb84 | 3173 | return PTR_ERR(wdev); |
1c90f9d4 | 3174 | } |
2ec600d6 | 3175 | |
18e5ca65 | 3176 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
78f22b6a JB |
3177 | wdev->owner_nlportid = info->snd_portid; |
3178 | ||
98104fde JB |
3179 | switch (type) { |
3180 | case NL80211_IFTYPE_MESH_POINT: | |
3181 | if (!info->attrs[NL80211_ATTR_MESH_ID]) | |
3182 | break; | |
29cbe68c JB |
3183 | wdev_lock(wdev); |
3184 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
3185 | IEEE80211_MAX_MESH_ID_LEN); | |
3186 | wdev->mesh_id_up_len = | |
3187 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
3188 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
3189 | wdev->mesh_id_up_len); | |
3190 | wdev_unlock(wdev); | |
98104fde | 3191 | break; |
cb3b7d87 | 3192 | case NL80211_IFTYPE_NAN: |
98104fde JB |
3193 | case NL80211_IFTYPE_P2P_DEVICE: |
3194 | /* | |
cb3b7d87 | 3195 | * P2P Device and NAN do not have a netdev, so don't go |
98104fde JB |
3196 | * through the netdev notifier and must be added here |
3197 | */ | |
3198 | mutex_init(&wdev->mtx); | |
3199 | INIT_LIST_HEAD(&wdev->event_list); | |
3200 | spin_lock_init(&wdev->event_lock); | |
3201 | INIT_LIST_HEAD(&wdev->mgmt_registrations); | |
3202 | spin_lock_init(&wdev->mgmt_registrations_lock); | |
3203 | ||
98104fde | 3204 | wdev->identifier = ++rdev->wdev_id; |
53873f13 | 3205 | list_add_rcu(&wdev->list, &rdev->wiphy.wdev_list); |
98104fde | 3206 | rdev->devlist_generation++; |
98104fde JB |
3207 | break; |
3208 | default: | |
3209 | break; | |
29cbe68c JB |
3210 | } |
3211 | ||
15e47304 | 3212 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
8f894be2 | 3213 | rdev, wdev, false) < 0) { |
1c90f9d4 JB |
3214 | nlmsg_free(msg); |
3215 | return -ENOBUFS; | |
3216 | } | |
3217 | ||
896ff063 DK |
3218 | /* |
3219 | * For wdevs which have no associated netdev object (e.g. of type | |
3220 | * NL80211_IFTYPE_P2P_DEVICE), emit the NEW_INTERFACE event here. | |
3221 | * For all other types, the event will be generated from the | |
3222 | * netdev notifier | |
3223 | */ | |
3224 | if (!wdev->netdev) | |
3225 | nl80211_notify_iface(rdev, wdev, NL80211_CMD_NEW_INTERFACE); | |
8f894be2 | 3226 | |
1c90f9d4 | 3227 | return genlmsg_reply(msg, info); |
55682965 JB |
3228 | } |
3229 | ||
3230 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
3231 | { | |
4c476991 | 3232 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
84efbb84 | 3233 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 3234 | |
4c476991 JB |
3235 | if (!rdev->ops->del_virtual_intf) |
3236 | return -EOPNOTSUPP; | |
55682965 | 3237 | |
84efbb84 JB |
3238 | /* |
3239 | * If we remove a wireless device without a netdev then clear | |
3240 | * user_ptr[1] so that nl80211_post_doit won't dereference it | |
3241 | * to check if it needs to do dev_put(). Otherwise it crashes | |
3242 | * since the wdev has been freed, unlike with a netdev where | |
3243 | * we need the dev_put() for the netdev to really be freed. | |
3244 | */ | |
3245 | if (!wdev->netdev) | |
3246 | info->user_ptr[1] = NULL; | |
3247 | ||
7f8ed01e | 3248 | return rdev_del_virtual_intf(rdev, wdev); |
55682965 JB |
3249 | } |
3250 | ||
1d9d9213 SW |
3251 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
3252 | { | |
3253 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3254 | struct net_device *dev = info->user_ptr[1]; | |
3255 | u16 noack_map; | |
3256 | ||
3257 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
3258 | return -EINVAL; | |
3259 | ||
3260 | if (!rdev->ops->set_noack_map) | |
3261 | return -EOPNOTSUPP; | |
3262 | ||
3263 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
3264 | ||
e35e4d28 | 3265 | return rdev_set_noack_map(rdev, dev, noack_map); |
1d9d9213 SW |
3266 | } |
3267 | ||
41ade00f JB |
3268 | struct get_key_cookie { |
3269 | struct sk_buff *msg; | |
3270 | int error; | |
b9454e83 | 3271 | int idx; |
41ade00f JB |
3272 | }; |
3273 | ||
3274 | static void get_key_callback(void *c, struct key_params *params) | |
3275 | { | |
b9454e83 | 3276 | struct nlattr *key; |
41ade00f JB |
3277 | struct get_key_cookie *cookie = c; |
3278 | ||
9360ffd1 DM |
3279 | if ((params->key && |
3280 | nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, | |
3281 | params->key_len, params->key)) || | |
3282 | (params->seq && | |
3283 | nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
3284 | params->seq_len, params->seq)) || | |
3285 | (params->cipher && | |
3286 | nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
3287 | params->cipher))) | |
3288 | goto nla_put_failure; | |
41ade00f | 3289 | |
b9454e83 JB |
3290 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
3291 | if (!key) | |
3292 | goto nla_put_failure; | |
3293 | ||
9360ffd1 DM |
3294 | if ((params->key && |
3295 | nla_put(cookie->msg, NL80211_KEY_DATA, | |
3296 | params->key_len, params->key)) || | |
3297 | (params->seq && | |
3298 | nla_put(cookie->msg, NL80211_KEY_SEQ, | |
3299 | params->seq_len, params->seq)) || | |
3300 | (params->cipher && | |
3301 | nla_put_u32(cookie->msg, NL80211_KEY_CIPHER, | |
3302 | params->cipher))) | |
3303 | goto nla_put_failure; | |
b9454e83 | 3304 | |
9360ffd1 DM |
3305 | if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx)) |
3306 | goto nla_put_failure; | |
b9454e83 JB |
3307 | |
3308 | nla_nest_end(cookie->msg, key); | |
3309 | ||
41ade00f JB |
3310 | return; |
3311 | nla_put_failure: | |
3312 | cookie->error = 1; | |
3313 | } | |
3314 | ||
3315 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
3316 | { | |
4c476991 | 3317 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 3318 | int err; |
4c476991 | 3319 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3320 | u8 key_idx = 0; |
e31b8213 JB |
3321 | const u8 *mac_addr = NULL; |
3322 | bool pairwise; | |
41ade00f JB |
3323 | struct get_key_cookie cookie = { |
3324 | .error = 0, | |
3325 | }; | |
3326 | void *hdr; | |
3327 | struct sk_buff *msg; | |
3328 | ||
3329 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
3330 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
3331 | ||
3cfcf6ac | 3332 | if (key_idx > 5) |
41ade00f JB |
3333 | return -EINVAL; |
3334 | ||
3335 | if (info->attrs[NL80211_ATTR_MAC]) | |
3336 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3337 | ||
e31b8213 JB |
3338 | pairwise = !!mac_addr; |
3339 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
3340 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
7a087e74 | 3341 | |
e31b8213 JB |
3342 | if (kt >= NUM_NL80211_KEYTYPES) |
3343 | return -EINVAL; | |
3344 | if (kt != NL80211_KEYTYPE_GROUP && | |
3345 | kt != NL80211_KEYTYPE_PAIRWISE) | |
3346 | return -EINVAL; | |
3347 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
3348 | } | |
3349 | ||
4c476991 JB |
3350 | if (!rdev->ops->get_key) |
3351 | return -EOPNOTSUPP; | |
41ade00f | 3352 | |
0fa7b391 JB |
3353 | if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) |
3354 | return -ENOENT; | |
3355 | ||
fd2120ca | 3356 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
3357 | if (!msg) |
3358 | return -ENOMEM; | |
41ade00f | 3359 | |
15e47304 | 3360 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
41ade00f | 3361 | NL80211_CMD_NEW_KEY); |
cb35fba3 | 3362 | if (!hdr) |
9fe271af | 3363 | goto nla_put_failure; |
41ade00f JB |
3364 | |
3365 | cookie.msg = msg; | |
b9454e83 | 3366 | cookie.idx = key_idx; |
41ade00f | 3367 | |
9360ffd1 DM |
3368 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3369 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
3370 | goto nla_put_failure; | |
3371 | if (mac_addr && | |
3372 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
3373 | goto nla_put_failure; | |
41ade00f | 3374 | |
e35e4d28 HG |
3375 | err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie, |
3376 | get_key_callback); | |
41ade00f JB |
3377 | |
3378 | if (err) | |
6c95e2a2 | 3379 | goto free_msg; |
41ade00f JB |
3380 | |
3381 | if (cookie.error) | |
3382 | goto nla_put_failure; | |
3383 | ||
3384 | genlmsg_end(msg, hdr); | |
4c476991 | 3385 | return genlmsg_reply(msg, info); |
41ade00f JB |
3386 | |
3387 | nla_put_failure: | |
3388 | err = -ENOBUFS; | |
6c95e2a2 | 3389 | free_msg: |
41ade00f | 3390 | nlmsg_free(msg); |
41ade00f JB |
3391 | return err; |
3392 | } | |
3393 | ||
3394 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
3395 | { | |
4c476991 | 3396 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 3397 | struct key_parse key; |
41ade00f | 3398 | int err; |
4c476991 | 3399 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3400 | |
b9454e83 JB |
3401 | err = nl80211_parse_key(info, &key); |
3402 | if (err) | |
3403 | return err; | |
41ade00f | 3404 | |
b9454e83 | 3405 | if (key.idx < 0) |
41ade00f JB |
3406 | return -EINVAL; |
3407 | ||
b9454e83 JB |
3408 | /* only support setting default key */ |
3409 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
3410 | return -EINVAL; |
3411 | ||
dbd2fd65 | 3412 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 3413 | |
dbd2fd65 JB |
3414 | if (key.def) { |
3415 | if (!rdev->ops->set_default_key) { | |
3416 | err = -EOPNOTSUPP; | |
3417 | goto out; | |
3418 | } | |
41ade00f | 3419 | |
dbd2fd65 JB |
3420 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
3421 | if (err) | |
3422 | goto out; | |
3423 | ||
e35e4d28 | 3424 | err = rdev_set_default_key(rdev, dev, key.idx, |
dbd2fd65 JB |
3425 | key.def_uni, key.def_multi); |
3426 | ||
3427 | if (err) | |
3428 | goto out; | |
fffd0934 | 3429 | |
3d23e349 | 3430 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
3431 | dev->ieee80211_ptr->wext.default_key = key.idx; |
3432 | #endif | |
3433 | } else { | |
3434 | if (key.def_uni || !key.def_multi) { | |
3435 | err = -EINVAL; | |
3436 | goto out; | |
3437 | } | |
3438 | ||
3439 | if (!rdev->ops->set_default_mgmt_key) { | |
3440 | err = -EOPNOTSUPP; | |
3441 | goto out; | |
3442 | } | |
3443 | ||
3444 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
3445 | if (err) | |
3446 | goto out; | |
3447 | ||
e35e4d28 | 3448 | err = rdev_set_default_mgmt_key(rdev, dev, key.idx); |
dbd2fd65 JB |
3449 | if (err) |
3450 | goto out; | |
3451 | ||
3452 | #ifdef CONFIG_CFG80211_WEXT | |
3453 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 3454 | #endif |
dbd2fd65 JB |
3455 | } |
3456 | ||
3457 | out: | |
fffd0934 | 3458 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 3459 | |
41ade00f JB |
3460 | return err; |
3461 | } | |
3462 | ||
3463 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
3464 | { | |
4c476991 | 3465 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 3466 | int err; |
4c476991 | 3467 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 3468 | struct key_parse key; |
e31b8213 | 3469 | const u8 *mac_addr = NULL; |
41ade00f | 3470 | |
b9454e83 JB |
3471 | err = nl80211_parse_key(info, &key); |
3472 | if (err) | |
3473 | return err; | |
41ade00f | 3474 | |
b9454e83 | 3475 | if (!key.p.key) |
41ade00f JB |
3476 | return -EINVAL; |
3477 | ||
41ade00f JB |
3478 | if (info->attrs[NL80211_ATTR_MAC]) |
3479 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3480 | ||
e31b8213 JB |
3481 | if (key.type == -1) { |
3482 | if (mac_addr) | |
3483 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
3484 | else | |
3485 | key.type = NL80211_KEYTYPE_GROUP; | |
3486 | } | |
3487 | ||
3488 | /* for now */ | |
3489 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
3490 | key.type != NL80211_KEYTYPE_GROUP) | |
3491 | return -EINVAL; | |
3492 | ||
4c476991 JB |
3493 | if (!rdev->ops->add_key) |
3494 | return -EOPNOTSUPP; | |
25e47c18 | 3495 | |
e31b8213 JB |
3496 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
3497 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3498 | mac_addr)) | |
4c476991 | 3499 | return -EINVAL; |
41ade00f | 3500 | |
fffd0934 JB |
3501 | wdev_lock(dev->ieee80211_ptr); |
3502 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
3503 | if (!err) | |
e35e4d28 HG |
3504 | err = rdev_add_key(rdev, dev, key.idx, |
3505 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3506 | mac_addr, &key.p); | |
fffd0934 | 3507 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 3508 | |
41ade00f JB |
3509 | return err; |
3510 | } | |
3511 | ||
3512 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
3513 | { | |
4c476991 | 3514 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 3515 | int err; |
4c476991 | 3516 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3517 | u8 *mac_addr = NULL; |
b9454e83 | 3518 | struct key_parse key; |
41ade00f | 3519 | |
b9454e83 JB |
3520 | err = nl80211_parse_key(info, &key); |
3521 | if (err) | |
3522 | return err; | |
41ade00f JB |
3523 | |
3524 | if (info->attrs[NL80211_ATTR_MAC]) | |
3525 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3526 | ||
e31b8213 JB |
3527 | if (key.type == -1) { |
3528 | if (mac_addr) | |
3529 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
3530 | else | |
3531 | key.type = NL80211_KEYTYPE_GROUP; | |
3532 | } | |
3533 | ||
3534 | /* for now */ | |
3535 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
3536 | key.type != NL80211_KEYTYPE_GROUP) | |
3537 | return -EINVAL; | |
3538 | ||
4c476991 JB |
3539 | if (!rdev->ops->del_key) |
3540 | return -EOPNOTSUPP; | |
41ade00f | 3541 | |
fffd0934 JB |
3542 | wdev_lock(dev->ieee80211_ptr); |
3543 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 | 3544 | |
0fa7b391 | 3545 | if (key.type == NL80211_KEYTYPE_GROUP && mac_addr && |
e31b8213 JB |
3546 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) |
3547 | err = -ENOENT; | |
3548 | ||
fffd0934 | 3549 | if (!err) |
e35e4d28 HG |
3550 | err = rdev_del_key(rdev, dev, key.idx, |
3551 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3552 | mac_addr); | |
41ade00f | 3553 | |
3d23e349 | 3554 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 3555 | if (!err) { |
b9454e83 | 3556 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 3557 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 3558 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
3559 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
3560 | } | |
3561 | #endif | |
fffd0934 | 3562 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 3563 | |
41ade00f JB |
3564 | return err; |
3565 | } | |
3566 | ||
77765eaf VT |
3567 | /* This function returns an error or the number of nested attributes */ |
3568 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) | |
3569 | { | |
3570 | struct nlattr *attr; | |
3571 | int n_entries = 0, tmp; | |
3572 | ||
3573 | nla_for_each_nested(attr, nl_attr, tmp) { | |
3574 | if (nla_len(attr) != ETH_ALEN) | |
3575 | return -EINVAL; | |
3576 | ||
3577 | n_entries++; | |
3578 | } | |
3579 | ||
3580 | return n_entries; | |
3581 | } | |
3582 | ||
3583 | /* | |
3584 | * This function parses ACL information and allocates memory for ACL data. | |
3585 | * On successful return, the calling function is responsible to free the | |
3586 | * ACL buffer returned by this function. | |
3587 | */ | |
3588 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, | |
3589 | struct genl_info *info) | |
3590 | { | |
3591 | enum nl80211_acl_policy acl_policy; | |
3592 | struct nlattr *attr; | |
3593 | struct cfg80211_acl_data *acl; | |
3594 | int i = 0, n_entries, tmp; | |
3595 | ||
3596 | if (!wiphy->max_acl_mac_addrs) | |
3597 | return ERR_PTR(-EOPNOTSUPP); | |
3598 | ||
3599 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) | |
3600 | return ERR_PTR(-EINVAL); | |
3601 | ||
3602 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); | |
3603 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && | |
3604 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) | |
3605 | return ERR_PTR(-EINVAL); | |
3606 | ||
3607 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) | |
3608 | return ERR_PTR(-EINVAL); | |
3609 | ||
3610 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); | |
3611 | if (n_entries < 0) | |
3612 | return ERR_PTR(n_entries); | |
3613 | ||
3614 | if (n_entries > wiphy->max_acl_mac_addrs) | |
3615 | return ERR_PTR(-ENOTSUPP); | |
3616 | ||
3617 | acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), | |
3618 | GFP_KERNEL); | |
3619 | if (!acl) | |
3620 | return ERR_PTR(-ENOMEM); | |
3621 | ||
3622 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { | |
3623 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); | |
3624 | i++; | |
3625 | } | |
3626 | ||
3627 | acl->n_acl_entries = n_entries; | |
3628 | acl->acl_policy = acl_policy; | |
3629 | ||
3630 | return acl; | |
3631 | } | |
3632 | ||
3633 | static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) | |
3634 | { | |
3635 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3636 | struct net_device *dev = info->user_ptr[1]; | |
3637 | struct cfg80211_acl_data *acl; | |
3638 | int err; | |
3639 | ||
3640 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3641 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3642 | return -EOPNOTSUPP; | |
3643 | ||
3644 | if (!dev->ieee80211_ptr->beacon_interval) | |
3645 | return -EINVAL; | |
3646 | ||
3647 | acl = parse_acl_data(&rdev->wiphy, info); | |
3648 | if (IS_ERR(acl)) | |
3649 | return PTR_ERR(acl); | |
3650 | ||
3651 | err = rdev_set_mac_acl(rdev, dev, acl); | |
3652 | ||
3653 | kfree(acl); | |
3654 | ||
3655 | return err; | |
3656 | } | |
3657 | ||
a7c7fbff PK |
3658 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
3659 | u8 *rates, u8 rates_len) | |
3660 | { | |
3661 | u8 i; | |
3662 | u32 mask = 0; | |
3663 | ||
3664 | for (i = 0; i < rates_len; i++) { | |
3665 | int rate = (rates[i] & 0x7f) * 5; | |
3666 | int ridx; | |
3667 | ||
3668 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
3669 | struct ieee80211_rate *srate = | |
3670 | &sband->bitrates[ridx]; | |
3671 | if (rate == srate->bitrate) { | |
3672 | mask |= 1 << ridx; | |
3673 | break; | |
3674 | } | |
3675 | } | |
3676 | if (ridx == sband->n_bitrates) | |
3677 | return 0; /* rate not found */ | |
3678 | } | |
3679 | ||
3680 | return mask; | |
3681 | } | |
3682 | ||
3683 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, | |
3684 | u8 *rates, u8 rates_len, | |
3685 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
3686 | { | |
3687 | u8 i; | |
3688 | ||
3689 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
3690 | ||
3691 | for (i = 0; i < rates_len; i++) { | |
3692 | int ridx, rbit; | |
3693 | ||
3694 | ridx = rates[i] / 8; | |
3695 | rbit = BIT(rates[i] % 8); | |
3696 | ||
3697 | /* check validity */ | |
3698 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) | |
3699 | return false; | |
3700 | ||
3701 | /* check availability */ | |
3702 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
3703 | mcs[ridx] |= rbit; | |
3704 | else | |
3705 | return false; | |
3706 | } | |
3707 | ||
3708 | return true; | |
3709 | } | |
3710 | ||
3711 | static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map) | |
3712 | { | |
3713 | u16 mcs_mask = 0; | |
3714 | ||
3715 | switch (vht_mcs_map) { | |
3716 | case IEEE80211_VHT_MCS_NOT_SUPPORTED: | |
3717 | break; | |
3718 | case IEEE80211_VHT_MCS_SUPPORT_0_7: | |
3719 | mcs_mask = 0x00FF; | |
3720 | break; | |
3721 | case IEEE80211_VHT_MCS_SUPPORT_0_8: | |
3722 | mcs_mask = 0x01FF; | |
3723 | break; | |
3724 | case IEEE80211_VHT_MCS_SUPPORT_0_9: | |
3725 | mcs_mask = 0x03FF; | |
3726 | break; | |
3727 | default: | |
3728 | break; | |
3729 | } | |
3730 | ||
3731 | return mcs_mask; | |
3732 | } | |
3733 | ||
3734 | static void vht_build_mcs_mask(u16 vht_mcs_map, | |
3735 | u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) | |
3736 | { | |
3737 | u8 nss; | |
3738 | ||
3739 | for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { | |
3740 | vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03); | |
3741 | vht_mcs_map >>= 2; | |
3742 | } | |
3743 | } | |
3744 | ||
3745 | static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband, | |
3746 | struct nl80211_txrate_vht *txrate, | |
3747 | u16 mcs[NL80211_VHT_NSS_MAX]) | |
3748 | { | |
3749 | u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
3750 | u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {}; | |
3751 | u8 i; | |
3752 | ||
3753 | if (!sband->vht_cap.vht_supported) | |
3754 | return false; | |
3755 | ||
3756 | memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX); | |
3757 | ||
3758 | /* Build vht_mcs_mask from VHT capabilities */ | |
3759 | vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask); | |
3760 | ||
3761 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
3762 | if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i]) | |
3763 | mcs[i] = txrate->mcs[i]; | |
3764 | else | |
3765 | return false; | |
3766 | } | |
3767 | ||
3768 | return true; | |
3769 | } | |
3770 | ||
3771 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { | |
3772 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, | |
3773 | .len = NL80211_MAX_SUPP_RATES }, | |
3774 | [NL80211_TXRATE_HT] = { .type = NLA_BINARY, | |
3775 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
3776 | [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)}, | |
3777 | [NL80211_TXRATE_GI] = { .type = NLA_U8 }, | |
3778 | }; | |
3779 | ||
3780 | static int nl80211_parse_tx_bitrate_mask(struct genl_info *info, | |
3781 | struct cfg80211_bitrate_mask *mask) | |
3782 | { | |
3783 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
3784 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3785 | int rem, i; | |
3786 | struct nlattr *tx_rates; | |
3787 | struct ieee80211_supported_band *sband; | |
3788 | u16 vht_tx_mcs_map; | |
3789 | ||
3790 | memset(mask, 0, sizeof(*mask)); | |
3791 | /* Default to all rates enabled */ | |
3792 | for (i = 0; i < NUM_NL80211_BANDS; i++) { | |
3793 | sband = rdev->wiphy.bands[i]; | |
3794 | ||
3795 | if (!sband) | |
3796 | continue; | |
3797 | ||
3798 | mask->control[i].legacy = (1 << sband->n_bitrates) - 1; | |
3799 | memcpy(mask->control[i].ht_mcs, | |
3800 | sband->ht_cap.mcs.rx_mask, | |
3801 | sizeof(mask->control[i].ht_mcs)); | |
3802 | ||
3803 | if (!sband->vht_cap.vht_supported) | |
3804 | continue; | |
3805 | ||
3806 | vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
3807 | vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs); | |
3808 | } | |
3809 | ||
3810 | /* if no rates are given set it back to the defaults */ | |
3811 | if (!info->attrs[NL80211_ATTR_TX_RATES]) | |
3812 | goto out; | |
3813 | ||
3814 | /* The nested attribute uses enum nl80211_band as the index. This maps | |
3815 | * directly to the enum nl80211_band values used in cfg80211. | |
3816 | */ | |
3817 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); | |
3818 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) { | |
3819 | enum nl80211_band band = nla_type(tx_rates); | |
3820 | int err; | |
3821 | ||
3822 | if (band < 0 || band >= NUM_NL80211_BANDS) | |
3823 | return -EINVAL; | |
3824 | sband = rdev->wiphy.bands[band]; | |
3825 | if (sband == NULL) | |
3826 | return -EINVAL; | |
bfe2c7b1 | 3827 | err = nla_parse_nested(tb, NL80211_TXRATE_MAX, tx_rates, |
fe52145f | 3828 | nl80211_txattr_policy, info->extack); |
a7c7fbff PK |
3829 | if (err) |
3830 | return err; | |
3831 | if (tb[NL80211_TXRATE_LEGACY]) { | |
3832 | mask->control[band].legacy = rateset_to_mask( | |
3833 | sband, | |
3834 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
3835 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
3836 | if ((mask->control[band].legacy == 0) && | |
3837 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
3838 | return -EINVAL; | |
3839 | } | |
3840 | if (tb[NL80211_TXRATE_HT]) { | |
3841 | if (!ht_rateset_to_mask( | |
3842 | sband, | |
3843 | nla_data(tb[NL80211_TXRATE_HT]), | |
3844 | nla_len(tb[NL80211_TXRATE_HT]), | |
3845 | mask->control[band].ht_mcs)) | |
3846 | return -EINVAL; | |
3847 | } | |
3848 | if (tb[NL80211_TXRATE_VHT]) { | |
3849 | if (!vht_set_mcs_mask( | |
3850 | sband, | |
3851 | nla_data(tb[NL80211_TXRATE_VHT]), | |
3852 | mask->control[band].vht_mcs)) | |
3853 | return -EINVAL; | |
3854 | } | |
3855 | if (tb[NL80211_TXRATE_GI]) { | |
3856 | mask->control[band].gi = | |
3857 | nla_get_u8(tb[NL80211_TXRATE_GI]); | |
3858 | if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI) | |
3859 | return -EINVAL; | |
3860 | } | |
3861 | ||
3862 | if (mask->control[band].legacy == 0) { | |
3863 | /* don't allow empty legacy rates if HT or VHT | |
3864 | * are not even supported. | |
3865 | */ | |
3866 | if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported || | |
3867 | rdev->wiphy.bands[band]->vht_cap.vht_supported)) | |
3868 | return -EINVAL; | |
3869 | ||
3870 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
3871 | if (mask->control[band].ht_mcs[i]) | |
3872 | goto out; | |
3873 | ||
3874 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
3875 | if (mask->control[band].vht_mcs[i]) | |
3876 | goto out; | |
3877 | ||
3878 | /* legacy and mcs rates may not be both empty */ | |
3879 | return -EINVAL; | |
3880 | } | |
3881 | } | |
3882 | ||
3883 | out: | |
3884 | return 0; | |
3885 | } | |
3886 | ||
8564e382 JB |
3887 | static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev, |
3888 | enum nl80211_band band, | |
3889 | struct cfg80211_bitrate_mask *beacon_rate) | |
a7c7fbff | 3890 | { |
8564e382 JB |
3891 | u32 count_ht, count_vht, i; |
3892 | u32 rate = beacon_rate->control[band].legacy; | |
a7c7fbff PK |
3893 | |
3894 | /* Allow only one rate */ | |
3895 | if (hweight32(rate) > 1) | |
3896 | return -EINVAL; | |
3897 | ||
3898 | count_ht = 0; | |
3899 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) { | |
8564e382 | 3900 | if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) { |
a7c7fbff | 3901 | return -EINVAL; |
8564e382 | 3902 | } else if (beacon_rate->control[band].ht_mcs[i]) { |
a7c7fbff PK |
3903 | count_ht++; |
3904 | if (count_ht > 1) | |
3905 | return -EINVAL; | |
3906 | } | |
3907 | if (count_ht && rate) | |
3908 | return -EINVAL; | |
3909 | } | |
3910 | ||
3911 | count_vht = 0; | |
3912 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
8564e382 | 3913 | if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) { |
a7c7fbff | 3914 | return -EINVAL; |
8564e382 | 3915 | } else if (beacon_rate->control[band].vht_mcs[i]) { |
a7c7fbff PK |
3916 | count_vht++; |
3917 | if (count_vht > 1) | |
3918 | return -EINVAL; | |
3919 | } | |
3920 | if (count_vht && rate) | |
3921 | return -EINVAL; | |
3922 | } | |
3923 | ||
3924 | if ((count_ht && count_vht) || (!rate && !count_ht && !count_vht)) | |
3925 | return -EINVAL; | |
3926 | ||
8564e382 JB |
3927 | if (rate && |
3928 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
3929 | NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) | |
3930 | return -EINVAL; | |
3931 | if (count_ht && | |
3932 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
3933 | NL80211_EXT_FEATURE_BEACON_RATE_HT)) | |
3934 | return -EINVAL; | |
3935 | if (count_vht && | |
3936 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
3937 | NL80211_EXT_FEATURE_BEACON_RATE_VHT)) | |
3938 | return -EINVAL; | |
3939 | ||
a7c7fbff PK |
3940 | return 0; |
3941 | } | |
3942 | ||
a1193be8 | 3943 | static int nl80211_parse_beacon(struct nlattr *attrs[], |
8860020e | 3944 | struct cfg80211_beacon_data *bcn) |
ed1b6cc7 | 3945 | { |
8860020e | 3946 | bool haveinfo = false; |
ed1b6cc7 | 3947 | |
a1193be8 SW |
3948 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) || |
3949 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) || | |
3950 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
3951 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
3952 | return -EINVAL; |
3953 | ||
8860020e | 3954 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 3955 | |
a1193be8 SW |
3956 | if (attrs[NL80211_ATTR_BEACON_HEAD]) { |
3957 | bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]); | |
3958 | bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]); | |
8860020e JB |
3959 | if (!bcn->head_len) |
3960 | return -EINVAL; | |
3961 | haveinfo = true; | |
ed1b6cc7 JB |
3962 | } |
3963 | ||
a1193be8 SW |
3964 | if (attrs[NL80211_ATTR_BEACON_TAIL]) { |
3965 | bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]); | |
3966 | bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]); | |
8860020e | 3967 | haveinfo = true; |
ed1b6cc7 JB |
3968 | } |
3969 | ||
4c476991 JB |
3970 | if (!haveinfo) |
3971 | return -EINVAL; | |
3b85875a | 3972 | |
a1193be8 SW |
3973 | if (attrs[NL80211_ATTR_IE]) { |
3974 | bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]); | |
3975 | bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
3976 | } |
3977 | ||
a1193be8 | 3978 | if (attrs[NL80211_ATTR_IE_PROBE_RESP]) { |
8860020e | 3979 | bcn->proberesp_ies = |
a1193be8 | 3980 | nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 3981 | bcn->proberesp_ies_len = |
a1193be8 | 3982 | nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
9946ecfb JM |
3983 | } |
3984 | ||
a1193be8 | 3985 | if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) { |
8860020e | 3986 | bcn->assocresp_ies = |
a1193be8 | 3987 | nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 3988 | bcn->assocresp_ies_len = |
a1193be8 | 3989 | nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
9946ecfb JM |
3990 | } |
3991 | ||
a1193be8 SW |
3992 | if (attrs[NL80211_ATTR_PROBE_RESP]) { |
3993 | bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]); | |
3994 | bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]); | |
00f740e1 AN |
3995 | } |
3996 | ||
8860020e JB |
3997 | return 0; |
3998 | } | |
3999 | ||
66cd794e JB |
4000 | static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params, |
4001 | const u8 *rates) | |
4002 | { | |
4003 | int i; | |
4004 | ||
4005 | if (!rates) | |
4006 | return; | |
4007 | ||
4008 | for (i = 0; i < rates[1]; i++) { | |
4009 | if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY) | |
4010 | params->ht_required = true; | |
4011 | if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY) | |
4012 | params->vht_required = true; | |
4013 | } | |
4014 | } | |
4015 | ||
4016 | /* | |
4017 | * Since the nl80211 API didn't include, from the beginning, attributes about | |
4018 | * HT/VHT requirements/capabilities, we parse them out of the IEs for the | |
4019 | * benefit of drivers that rebuild IEs in the firmware. | |
4020 | */ | |
4021 | static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params) | |
4022 | { | |
4023 | const struct cfg80211_beacon_data *bcn = ¶ms->beacon; | |
ba83bfb1 IM |
4024 | size_t ies_len = bcn->tail_len; |
4025 | const u8 *ies = bcn->tail; | |
66cd794e JB |
4026 | const u8 *rates; |
4027 | const u8 *cap; | |
4028 | ||
4029 | rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len); | |
4030 | nl80211_check_ap_rate_selectors(params, rates); | |
4031 | ||
4032 | rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len); | |
4033 | nl80211_check_ap_rate_selectors(params, rates); | |
4034 | ||
4035 | cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len); | |
4036 | if (cap && cap[1] >= sizeof(*params->ht_cap)) | |
4037 | params->ht_cap = (void *)(cap + 2); | |
4038 | cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len); | |
4039 | if (cap && cap[1] >= sizeof(*params->vht_cap)) | |
4040 | params->vht_cap = (void *)(cap + 2); | |
4041 | } | |
4042 | ||
46c1dd0c FF |
4043 | static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, |
4044 | struct cfg80211_ap_settings *params) | |
4045 | { | |
4046 | struct wireless_dev *wdev; | |
4047 | bool ret = false; | |
4048 | ||
53873f13 | 4049 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
46c1dd0c FF |
4050 | if (wdev->iftype != NL80211_IFTYPE_AP && |
4051 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
4052 | continue; | |
4053 | ||
683b6d3b | 4054 | if (!wdev->preset_chandef.chan) |
46c1dd0c FF |
4055 | continue; |
4056 | ||
683b6d3b | 4057 | params->chandef = wdev->preset_chandef; |
46c1dd0c FF |
4058 | ret = true; |
4059 | break; | |
4060 | } | |
4061 | ||
46c1dd0c FF |
4062 | return ret; |
4063 | } | |
4064 | ||
e39e5b5e JM |
4065 | static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev, |
4066 | enum nl80211_auth_type auth_type, | |
4067 | enum nl80211_commands cmd) | |
4068 | { | |
4069 | if (auth_type > NL80211_AUTHTYPE_MAX) | |
4070 | return false; | |
4071 | ||
4072 | switch (cmd) { | |
4073 | case NL80211_CMD_AUTHENTICATE: | |
4074 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && | |
4075 | auth_type == NL80211_AUTHTYPE_SAE) | |
4076 | return false; | |
63181060 JM |
4077 | if (!wiphy_ext_feature_isset(&rdev->wiphy, |
4078 | NL80211_EXT_FEATURE_FILS_STA) && | |
4079 | (auth_type == NL80211_AUTHTYPE_FILS_SK || | |
4080 | auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
4081 | auth_type == NL80211_AUTHTYPE_FILS_PK)) | |
4082 | return false; | |
e39e5b5e JM |
4083 | return true; |
4084 | case NL80211_CMD_CONNECT: | |
10773a7c SD |
4085 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && |
4086 | auth_type == NL80211_AUTHTYPE_SAE) | |
a3caf744 | 4087 | return false; |
10773a7c | 4088 | |
a3caf744 VK |
4089 | /* FILS with SK PFS or PK not supported yet */ |
4090 | if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
4091 | auth_type == NL80211_AUTHTYPE_FILS_PK) | |
4092 | return false; | |
4093 | if (!wiphy_ext_feature_isset( | |
4094 | &rdev->wiphy, | |
4095 | NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) && | |
4096 | auth_type == NL80211_AUTHTYPE_FILS_SK) | |
4097 | return false; | |
4098 | return true; | |
e39e5b5e JM |
4099 | case NL80211_CMD_START_AP: |
4100 | /* SAE not supported yet */ | |
4101 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
4102 | return false; | |
63181060 JM |
4103 | /* FILS not supported yet */ |
4104 | if (auth_type == NL80211_AUTHTYPE_FILS_SK || | |
4105 | auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
4106 | auth_type == NL80211_AUTHTYPE_FILS_PK) | |
4107 | return false; | |
e39e5b5e JM |
4108 | return true; |
4109 | default: | |
4110 | return false; | |
4111 | } | |
4112 | } | |
4113 | ||
8860020e JB |
4114 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
4115 | { | |
4116 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4117 | struct net_device *dev = info->user_ptr[1]; | |
4118 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
4119 | struct cfg80211_ap_settings params; | |
4120 | int err; | |
4121 | ||
4122 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
4123 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4124 | return -EOPNOTSUPP; | |
4125 | ||
4126 | if (!rdev->ops->start_ap) | |
4127 | return -EOPNOTSUPP; | |
4128 | ||
4129 | if (wdev->beacon_interval) | |
4130 | return -EALREADY; | |
4131 | ||
4132 | memset(¶ms, 0, sizeof(params)); | |
4133 | ||
4134 | /* these are required for START_AP */ | |
4135 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
4136 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
4137 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
4138 | return -EINVAL; | |
4139 | ||
a1193be8 | 4140 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon); |
8860020e JB |
4141 | if (err) |
4142 | return err; | |
4143 | ||
4144 | params.beacon_interval = | |
4145 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
4146 | params.dtim_period = | |
4147 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
4148 | ||
0c317a02 PK |
4149 | err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype, |
4150 | params.beacon_interval); | |
8860020e JB |
4151 | if (err) |
4152 | return err; | |
4153 | ||
4154 | /* | |
4155 | * In theory, some of these attributes should be required here | |
4156 | * but since they were not used when the command was originally | |
4157 | * added, keep them optional for old user space programs to let | |
4158 | * them continue to work with drivers that do not need the | |
4159 | * additional information -- drivers must check! | |
4160 | */ | |
4161 | if (info->attrs[NL80211_ATTR_SSID]) { | |
4162 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
4163 | params.ssid_len = | |
4164 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
4165 | if (params.ssid_len == 0 || | |
4166 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
4167 | return -EINVAL; | |
4168 | } | |
4169 | ||
4170 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
4171 | params.hidden_ssid = nla_get_u32( | |
4172 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
4173 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && | |
4174 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && | |
4175 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
4176 | return -EINVAL; | |
4177 | } | |
4178 | ||
4179 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
4180 | ||
4181 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
4182 | params.auth_type = nla_get_u32( | |
4183 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
4184 | if (!nl80211_valid_auth_type(rdev, params.auth_type, |
4185 | NL80211_CMD_START_AP)) | |
8860020e JB |
4186 | return -EINVAL; |
4187 | } else | |
4188 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
4189 | ||
4190 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
4191 | NL80211_MAX_NR_CIPHER_SUITES); | |
4192 | if (err) | |
4193 | return err; | |
4194 | ||
1b658f11 VT |
4195 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
4196 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) | |
4197 | return -EOPNOTSUPP; | |
4198 | params.inactivity_timeout = nla_get_u16( | |
4199 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); | |
4200 | } | |
4201 | ||
53cabad7 JB |
4202 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
4203 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4204 | return -EINVAL; | |
4205 | params.p2p_ctwindow = | |
4206 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
4207 | if (params.p2p_ctwindow > 127) | |
4208 | return -EINVAL; | |
4209 | if (params.p2p_ctwindow != 0 && | |
4210 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
4211 | return -EINVAL; | |
4212 | } | |
4213 | ||
4214 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
4215 | u8 tmp; | |
4216 | ||
4217 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4218 | return -EINVAL; | |
4219 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
4220 | if (tmp > 1) | |
4221 | return -EINVAL; | |
4222 | params.p2p_opp_ps = tmp; | |
4223 | if (params.p2p_opp_ps != 0 && | |
4224 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
4225 | return -EINVAL; | |
4226 | } | |
4227 | ||
aa430da4 | 4228 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
4229 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
4230 | if (err) | |
4231 | return err; | |
4232 | } else if (wdev->preset_chandef.chan) { | |
4233 | params.chandef = wdev->preset_chandef; | |
46c1dd0c | 4234 | } else if (!nl80211_get_ap_channel(rdev, ¶ms)) |
aa430da4 JB |
4235 | return -EINVAL; |
4236 | ||
923b352f AN |
4237 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, |
4238 | wdev->iftype)) | |
aa430da4 JB |
4239 | return -EINVAL; |
4240 | ||
a7c7fbff PK |
4241 | if (info->attrs[NL80211_ATTR_TX_RATES]) { |
4242 | err = nl80211_parse_tx_bitrate_mask(info, ¶ms.beacon_rate); | |
4243 | if (err) | |
4244 | return err; | |
4245 | ||
8564e382 JB |
4246 | err = validate_beacon_tx_rate(rdev, params.chandef.chan->band, |
4247 | ¶ms.beacon_rate); | |
a7c7fbff PK |
4248 | if (err) |
4249 | return err; | |
4250 | } | |
4251 | ||
18998c38 EP |
4252 | if (info->attrs[NL80211_ATTR_SMPS_MODE]) { |
4253 | params.smps_mode = | |
4254 | nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]); | |
4255 | switch (params.smps_mode) { | |
4256 | case NL80211_SMPS_OFF: | |
4257 | break; | |
4258 | case NL80211_SMPS_STATIC: | |
4259 | if (!(rdev->wiphy.features & | |
4260 | NL80211_FEATURE_STATIC_SMPS)) | |
4261 | return -EINVAL; | |
4262 | break; | |
4263 | case NL80211_SMPS_DYNAMIC: | |
4264 | if (!(rdev->wiphy.features & | |
4265 | NL80211_FEATURE_DYNAMIC_SMPS)) | |
4266 | return -EINVAL; | |
4267 | break; | |
4268 | default: | |
4269 | return -EINVAL; | |
4270 | } | |
4271 | } else { | |
4272 | params.smps_mode = NL80211_SMPS_OFF; | |
4273 | } | |
4274 | ||
6e8ef842 PK |
4275 | params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]); |
4276 | if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) | |
4277 | return -EOPNOTSUPP; | |
4278 | ||
4baf6bea OO |
4279 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
4280 | params.acl = parse_acl_data(&rdev->wiphy, info); | |
4281 | if (IS_ERR(params.acl)) | |
4282 | return PTR_ERR(params.acl); | |
4283 | } | |
4284 | ||
66cd794e JB |
4285 | nl80211_calculate_ap_params(¶ms); |
4286 | ||
c56589ed | 4287 | wdev_lock(wdev); |
e35e4d28 | 4288 | err = rdev_start_ap(rdev, dev, ¶ms); |
46c1dd0c | 4289 | if (!err) { |
683b6d3b | 4290 | wdev->preset_chandef = params.chandef; |
8860020e | 4291 | wdev->beacon_interval = params.beacon_interval; |
9e0e2961 | 4292 | wdev->chandef = params.chandef; |
06e191e2 AQ |
4293 | wdev->ssid_len = params.ssid_len; |
4294 | memcpy(wdev->ssid, params.ssid, wdev->ssid_len); | |
466a3061 DK |
4295 | |
4296 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) | |
4297 | wdev->conn_owner_nlportid = info->snd_portid; | |
46c1dd0c | 4298 | } |
c56589ed | 4299 | wdev_unlock(wdev); |
77765eaf VT |
4300 | |
4301 | kfree(params.acl); | |
4302 | ||
56d1893d | 4303 | return err; |
ed1b6cc7 JB |
4304 | } |
4305 | ||
8860020e JB |
4306 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
4307 | { | |
4308 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4309 | struct net_device *dev = info->user_ptr[1]; | |
4310 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
4311 | struct cfg80211_beacon_data params; | |
4312 | int err; | |
4313 | ||
4314 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
4315 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4316 | return -EOPNOTSUPP; | |
4317 | ||
4318 | if (!rdev->ops->change_beacon) | |
4319 | return -EOPNOTSUPP; | |
4320 | ||
4321 | if (!wdev->beacon_interval) | |
4322 | return -EINVAL; | |
4323 | ||
a1193be8 | 4324 | err = nl80211_parse_beacon(info->attrs, ¶ms); |
8860020e JB |
4325 | if (err) |
4326 | return err; | |
4327 | ||
c56589ed SW |
4328 | wdev_lock(wdev); |
4329 | err = rdev_change_beacon(rdev, dev, ¶ms); | |
4330 | wdev_unlock(wdev); | |
4331 | ||
4332 | return err; | |
8860020e JB |
4333 | } |
4334 | ||
4335 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 4336 | { |
4c476991 JB |
4337 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4338 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 4339 | |
7c8d5e03 | 4340 | return cfg80211_stop_ap(rdev, dev, false); |
ed1b6cc7 JB |
4341 | } |
4342 | ||
5727ef1b JB |
4343 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
4344 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
4345 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
4346 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 4347 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 4348 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 4349 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
4350 | }; |
4351 | ||
eccb8e8f | 4352 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 4353 | enum nl80211_iftype iftype, |
eccb8e8f | 4354 | struct station_parameters *params) |
5727ef1b JB |
4355 | { |
4356 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 4357 | struct nlattr *nla; |
5727ef1b JB |
4358 | int flag; |
4359 | ||
eccb8e8f JB |
4360 | /* |
4361 | * Try parsing the new attribute first so userspace | |
4362 | * can specify both for older kernels. | |
4363 | */ | |
4364 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
4365 | if (nla) { | |
4366 | struct nl80211_sta_flag_update *sta_flags; | |
4367 | ||
4368 | sta_flags = nla_data(nla); | |
4369 | params->sta_flags_mask = sta_flags->mask; | |
4370 | params->sta_flags_set = sta_flags->set; | |
77ee7c89 | 4371 | params->sta_flags_set &= params->sta_flags_mask; |
eccb8e8f JB |
4372 | if ((params->sta_flags_mask | |
4373 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
4374 | return -EINVAL; | |
4375 | return 0; | |
4376 | } | |
4377 | ||
4378 | /* if present, parse the old attribute */ | |
5727ef1b | 4379 | |
eccb8e8f | 4380 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
4381 | if (!nla) |
4382 | return 0; | |
4383 | ||
fceb6435 | 4384 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, nla, |
fe52145f | 4385 | sta_flags_policy, info->extack)) |
5727ef1b JB |
4386 | return -EINVAL; |
4387 | ||
bdd3ae3d JB |
4388 | /* |
4389 | * Only allow certain flags for interface types so that | |
4390 | * other attributes are silently ignored. Remember that | |
4391 | * this is backward compatibility code with old userspace | |
4392 | * and shouldn't be hit in other cases anyway. | |
4393 | */ | |
4394 | switch (iftype) { | |
4395 | case NL80211_IFTYPE_AP: | |
4396 | case NL80211_IFTYPE_AP_VLAN: | |
4397 | case NL80211_IFTYPE_P2P_GO: | |
4398 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4399 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
4400 | BIT(NL80211_STA_FLAG_WME) | | |
4401 | BIT(NL80211_STA_FLAG_MFP); | |
4402 | break; | |
4403 | case NL80211_IFTYPE_P2P_CLIENT: | |
4404 | case NL80211_IFTYPE_STATION: | |
4405 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4406 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4407 | break; | |
4408 | case NL80211_IFTYPE_MESH_POINT: | |
4409 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4410 | BIT(NL80211_STA_FLAG_MFP) | | |
4411 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
4412 | default: | |
4413 | return -EINVAL; | |
4414 | } | |
5727ef1b | 4415 | |
3383b5a6 JB |
4416 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) { |
4417 | if (flags[flag]) { | |
eccb8e8f | 4418 | params->sta_flags_set |= (1<<flag); |
5727ef1b | 4419 | |
3383b5a6 JB |
4420 | /* no longer support new API additions in old API */ |
4421 | if (flag > NL80211_STA_FLAG_MAX_OLD_API) | |
4422 | return -EINVAL; | |
4423 | } | |
4424 | } | |
4425 | ||
5727ef1b JB |
4426 | return 0; |
4427 | } | |
4428 | ||
c8dcfd8a FF |
4429 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
4430 | int attr) | |
4431 | { | |
4432 | struct nlattr *rate; | |
8eb41c8d VK |
4433 | u32 bitrate; |
4434 | u16 bitrate_compat; | |
bbf67e45 | 4435 | enum nl80211_rate_info rate_flg; |
c8dcfd8a FF |
4436 | |
4437 | rate = nla_nest_start(msg, attr); | |
4438 | if (!rate) | |
db9c64cf | 4439 | return false; |
c8dcfd8a FF |
4440 | |
4441 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
4442 | bitrate = cfg80211_calculate_bitrate(info); | |
8eb41c8d VK |
4443 | /* report 16-bit bitrate only if we can */ |
4444 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; | |
db9c64cf JB |
4445 | if (bitrate > 0 && |
4446 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) | |
4447 | return false; | |
4448 | if (bitrate_compat > 0 && | |
4449 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) | |
4450 | return false; | |
4451 | ||
b51f3bee JB |
4452 | switch (info->bw) { |
4453 | case RATE_INFO_BW_5: | |
4454 | rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH; | |
4455 | break; | |
4456 | case RATE_INFO_BW_10: | |
4457 | rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH; | |
4458 | break; | |
4459 | default: | |
4460 | WARN_ON(1); | |
4461 | /* fall through */ | |
4462 | case RATE_INFO_BW_20: | |
4463 | rate_flg = 0; | |
4464 | break; | |
4465 | case RATE_INFO_BW_40: | |
4466 | rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH; | |
4467 | break; | |
4468 | case RATE_INFO_BW_80: | |
4469 | rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH; | |
4470 | break; | |
4471 | case RATE_INFO_BW_160: | |
4472 | rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH; | |
4473 | break; | |
4474 | } | |
4475 | ||
4476 | if (rate_flg && nla_put_flag(msg, rate_flg)) | |
4477 | return false; | |
4478 | ||
db9c64cf JB |
4479 | if (info->flags & RATE_INFO_FLAGS_MCS) { |
4480 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) | |
4481 | return false; | |
db9c64cf JB |
4482 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && |
4483 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
4484 | return false; | |
4485 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { | |
4486 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) | |
4487 | return false; | |
4488 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) | |
4489 | return false; | |
db9c64cf JB |
4490 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && |
4491 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
4492 | return false; | |
4493 | } | |
c8dcfd8a FF |
4494 | |
4495 | nla_nest_end(msg, rate); | |
4496 | return true; | |
c8dcfd8a FF |
4497 | } |
4498 | ||
119363c7 FF |
4499 | static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, |
4500 | int id) | |
4501 | { | |
4502 | void *attr; | |
4503 | int i = 0; | |
4504 | ||
4505 | if (!mask) | |
4506 | return true; | |
4507 | ||
4508 | attr = nla_nest_start(msg, id); | |
4509 | if (!attr) | |
4510 | return false; | |
4511 | ||
4512 | for (i = 0; i < IEEE80211_MAX_CHAINS; i++) { | |
4513 | if (!(mask & BIT(i))) | |
4514 | continue; | |
4515 | ||
4516 | if (nla_put_u8(msg, i, signal[i])) | |
4517 | return false; | |
4518 | } | |
4519 | ||
4520 | nla_nest_end(msg, attr); | |
4521 | ||
4522 | return true; | |
4523 | } | |
4524 | ||
cf5ead82 JB |
4525 | static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid, |
4526 | u32 seq, int flags, | |
66266b3a JL |
4527 | struct cfg80211_registered_device *rdev, |
4528 | struct net_device *dev, | |
98b62183 | 4529 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
4530 | { |
4531 | void *hdr; | |
f4263c98 | 4532 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc | 4533 | |
cf5ead82 | 4534 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
fd5b74dc JB |
4535 | if (!hdr) |
4536 | return -1; | |
4537 | ||
9360ffd1 DM |
4538 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4539 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
4540 | nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation)) | |
4541 | goto nla_put_failure; | |
f5ea9120 | 4542 | |
2ec600d6 LCC |
4543 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
4544 | if (!sinfoattr) | |
fd5b74dc | 4545 | goto nla_put_failure; |
319090bf JB |
4546 | |
4547 | #define PUT_SINFO(attr, memb, type) do { \ | |
d686b920 | 4548 | BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \ |
739960f1 | 4549 | if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \ |
319090bf JB |
4550 | nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \ |
4551 | sinfo->memb)) \ | |
4552 | goto nla_put_failure; \ | |
4553 | } while (0) | |
d686b920 JB |
4554 | #define PUT_SINFO_U64(attr, memb) do { \ |
4555 | if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \ | |
4556 | nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \ | |
4557 | sinfo->memb, NL80211_STA_INFO_PAD)) \ | |
4558 | goto nla_put_failure; \ | |
4559 | } while (0) | |
319090bf JB |
4560 | |
4561 | PUT_SINFO(CONNECTED_TIME, connected_time, u32); | |
4562 | PUT_SINFO(INACTIVE_TIME, inactive_time, u32); | |
4563 | ||
4564 | if (sinfo->filled & (BIT(NL80211_STA_INFO_RX_BYTES) | | |
4565 | BIT(NL80211_STA_INFO_RX_BYTES64)) && | |
9360ffd1 | 4566 | nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, |
42745e03 | 4567 | (u32)sinfo->rx_bytes)) |
9360ffd1 | 4568 | goto nla_put_failure; |
319090bf JB |
4569 | |
4570 | if (sinfo->filled & (BIT(NL80211_STA_INFO_TX_BYTES) | | |
4571 | BIT(NL80211_STA_INFO_TX_BYTES64)) && | |
9360ffd1 | 4572 | nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, |
42745e03 VK |
4573 | (u32)sinfo->tx_bytes)) |
4574 | goto nla_put_failure; | |
319090bf | 4575 | |
d686b920 JB |
4576 | PUT_SINFO_U64(RX_BYTES64, rx_bytes); |
4577 | PUT_SINFO_U64(TX_BYTES64, tx_bytes); | |
319090bf JB |
4578 | PUT_SINFO(LLID, llid, u16); |
4579 | PUT_SINFO(PLID, plid, u16); | |
4580 | PUT_SINFO(PLINK_STATE, plink_state, u8); | |
d686b920 | 4581 | PUT_SINFO_U64(RX_DURATION, rx_duration); |
319090bf | 4582 | |
66266b3a JL |
4583 | switch (rdev->wiphy.signal_type) { |
4584 | case CFG80211_SIGNAL_TYPE_MBM: | |
319090bf JB |
4585 | PUT_SINFO(SIGNAL, signal, u8); |
4586 | PUT_SINFO(SIGNAL_AVG, signal_avg, u8); | |
66266b3a JL |
4587 | break; |
4588 | default: | |
4589 | break; | |
4590 | } | |
319090bf | 4591 | if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL)) { |
119363c7 FF |
4592 | if (!nl80211_put_signal(msg, sinfo->chains, |
4593 | sinfo->chain_signal, | |
4594 | NL80211_STA_INFO_CHAIN_SIGNAL)) | |
4595 | goto nla_put_failure; | |
4596 | } | |
319090bf | 4597 | if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) { |
119363c7 FF |
4598 | if (!nl80211_put_signal(msg, sinfo->chains, |
4599 | sinfo->chain_signal_avg, | |
4600 | NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) | |
4601 | goto nla_put_failure; | |
4602 | } | |
319090bf | 4603 | if (sinfo->filled & BIT(NL80211_STA_INFO_TX_BITRATE)) { |
c8dcfd8a FF |
4604 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
4605 | NL80211_STA_INFO_TX_BITRATE)) | |
4606 | goto nla_put_failure; | |
4607 | } | |
319090bf | 4608 | if (sinfo->filled & BIT(NL80211_STA_INFO_RX_BITRATE)) { |
c8dcfd8a FF |
4609 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, |
4610 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 4611 | goto nla_put_failure; |
420e7fab | 4612 | } |
319090bf JB |
4613 | |
4614 | PUT_SINFO(RX_PACKETS, rx_packets, u32); | |
4615 | PUT_SINFO(TX_PACKETS, tx_packets, u32); | |
4616 | PUT_SINFO(TX_RETRIES, tx_retries, u32); | |
4617 | PUT_SINFO(TX_FAILED, tx_failed, u32); | |
4618 | PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32); | |
4619 | PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32); | |
4620 | PUT_SINFO(LOCAL_PM, local_pm, u32); | |
4621 | PUT_SINFO(PEER_PM, peer_pm, u32); | |
4622 | PUT_SINFO(NONPEER_PM, nonpeer_pm, u32); | |
4623 | ||
4624 | if (sinfo->filled & BIT(NL80211_STA_INFO_BSS_PARAM)) { | |
f4263c98 PS |
4625 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); |
4626 | if (!bss_param) | |
4627 | goto nla_put_failure; | |
4628 | ||
9360ffd1 DM |
4629 | if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) && |
4630 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || | |
4631 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) && | |
4632 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || | |
4633 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && | |
4634 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || | |
4635 | nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
4636 | sinfo->bss_param.dtim_period) || | |
4637 | nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
4638 | sinfo->bss_param.beacon_interval)) | |
4639 | goto nla_put_failure; | |
f4263c98 PS |
4640 | |
4641 | nla_nest_end(msg, bss_param); | |
4642 | } | |
319090bf | 4643 | if ((sinfo->filled & BIT(NL80211_STA_INFO_STA_FLAGS)) && |
9360ffd1 DM |
4644 | nla_put(msg, NL80211_STA_INFO_STA_FLAGS, |
4645 | sizeof(struct nl80211_sta_flag_update), | |
4646 | &sinfo->sta_flags)) | |
4647 | goto nla_put_failure; | |
319090bf | 4648 | |
d686b920 JB |
4649 | PUT_SINFO_U64(T_OFFSET, t_offset); |
4650 | PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc); | |
4651 | PUT_SINFO_U64(BEACON_RX, rx_beacon); | |
a76b1942 | 4652 | PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8); |
c4b50cd3 | 4653 | PUT_SINFO(ACK_SIGNAL, ack_signal, u8); |
81d5439d BP |
4654 | if (wiphy_ext_feature_isset(&rdev->wiphy, |
4655 | NL80211_EXT_FEATURE_DATA_ACK_SIGNAL_SUPPORT)) | |
4656 | PUT_SINFO(DATA_ACK_SIGNAL_AVG, avg_ack_signal, s8); | |
319090bf JB |
4657 | |
4658 | #undef PUT_SINFO | |
d686b920 | 4659 | #undef PUT_SINFO_U64 |
6de39808 | 4660 | |
8689c051 | 4661 | if (sinfo->pertid) { |
6de39808 JB |
4662 | struct nlattr *tidsattr; |
4663 | int tid; | |
4664 | ||
4665 | tidsattr = nla_nest_start(msg, NL80211_STA_INFO_TID_STATS); | |
4666 | if (!tidsattr) | |
4667 | goto nla_put_failure; | |
4668 | ||
4669 | for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) { | |
4670 | struct cfg80211_tid_stats *tidstats; | |
4671 | struct nlattr *tidattr; | |
4672 | ||
4673 | tidstats = &sinfo->pertid[tid]; | |
4674 | ||
4675 | if (!tidstats->filled) | |
4676 | continue; | |
4677 | ||
4678 | tidattr = nla_nest_start(msg, tid + 1); | |
4679 | if (!tidattr) | |
4680 | goto nla_put_failure; | |
4681 | ||
d686b920 | 4682 | #define PUT_TIDVAL_U64(attr, memb) do { \ |
6de39808 | 4683 | if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \ |
d686b920 JB |
4684 | nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \ |
4685 | tidstats->memb, NL80211_TID_STATS_PAD)) \ | |
6de39808 JB |
4686 | goto nla_put_failure; \ |
4687 | } while (0) | |
4688 | ||
d686b920 JB |
4689 | PUT_TIDVAL_U64(RX_MSDU, rx_msdu); |
4690 | PUT_TIDVAL_U64(TX_MSDU, tx_msdu); | |
4691 | PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries); | |
4692 | PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed); | |
6de39808 | 4693 | |
d686b920 | 4694 | #undef PUT_TIDVAL_U64 |
52539ca8 THJ |
4695 | if ((tidstats->filled & |
4696 | BIT(NL80211_TID_STATS_TXQ_STATS)) && | |
4697 | !nl80211_put_txq_stats(msg, &tidstats->txq_stats, | |
4698 | NL80211_TID_STATS_TXQ_STATS)) | |
4699 | goto nla_put_failure; | |
4700 | ||
6de39808 JB |
4701 | nla_nest_end(msg, tidattr); |
4702 | } | |
4703 | ||
4704 | nla_nest_end(msg, tidsattr); | |
4705 | } | |
4706 | ||
2ec600d6 | 4707 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 4708 | |
319090bf | 4709 | if (sinfo->assoc_req_ies_len && |
9360ffd1 DM |
4710 | nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, |
4711 | sinfo->assoc_req_ies)) | |
4712 | goto nla_put_failure; | |
50d3dfb7 | 4713 | |
7ea3e110 | 4714 | cfg80211_sinfo_release_content(sinfo); |
053c095a JB |
4715 | genlmsg_end(msg, hdr); |
4716 | return 0; | |
fd5b74dc JB |
4717 | |
4718 | nla_put_failure: | |
7ea3e110 | 4719 | cfg80211_sinfo_release_content(sinfo); |
bc3ed28c TG |
4720 | genlmsg_cancel(msg, hdr); |
4721 | return -EMSGSIZE; | |
fd5b74dc JB |
4722 | } |
4723 | ||
2ec600d6 | 4724 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 4725 | struct netlink_callback *cb) |
2ec600d6 | 4726 | { |
73887fd9 | 4727 | struct station_info sinfo; |
1b8ec87a | 4728 | struct cfg80211_registered_device *rdev; |
97990a06 | 4729 | struct wireless_dev *wdev; |
2ec600d6 | 4730 | u8 mac_addr[ETH_ALEN]; |
97990a06 | 4731 | int sta_idx = cb->args[2]; |
2ec600d6 | 4732 | int err; |
2ec600d6 | 4733 | |
ea90e0dc | 4734 | rtnl_lock(); |
1b8ec87a | 4735 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 | 4736 | if (err) |
ea90e0dc | 4737 | goto out_err; |
bba95fef | 4738 | |
97990a06 JB |
4739 | if (!wdev->netdev) { |
4740 | err = -EINVAL; | |
4741 | goto out_err; | |
4742 | } | |
4743 | ||
1b8ec87a | 4744 | if (!rdev->ops->dump_station) { |
eec60b03 | 4745 | err = -EOPNOTSUPP; |
bba95fef JB |
4746 | goto out_err; |
4747 | } | |
4748 | ||
bba95fef | 4749 | while (1) { |
73887fd9 | 4750 | memset(&sinfo, 0, sizeof(sinfo)); |
1b8ec87a | 4751 | err = rdev_dump_station(rdev, wdev->netdev, sta_idx, |
73887fd9 | 4752 | mac_addr, &sinfo); |
bba95fef JB |
4753 | if (err == -ENOENT) |
4754 | break; | |
4755 | if (err) | |
3b85875a | 4756 | goto out_err; |
bba95fef | 4757 | |
cf5ead82 | 4758 | if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION, |
15e47304 | 4759 | NETLINK_CB(cb->skb).portid, |
bba95fef | 4760 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
1b8ec87a | 4761 | rdev, wdev->netdev, mac_addr, |
73887fd9 | 4762 | &sinfo) < 0) |
bba95fef JB |
4763 | goto out; |
4764 | ||
4765 | sta_idx++; | |
4766 | } | |
4767 | ||
bba95fef | 4768 | out: |
97990a06 | 4769 | cb->args[2] = sta_idx; |
bba95fef | 4770 | err = skb->len; |
bba95fef | 4771 | out_err: |
ea90e0dc | 4772 | rtnl_unlock(); |
bba95fef JB |
4773 | |
4774 | return err; | |
2ec600d6 | 4775 | } |
fd5b74dc | 4776 | |
5727ef1b JB |
4777 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
4778 | { | |
4c476991 JB |
4779 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4780 | struct net_device *dev = info->user_ptr[1]; | |
73887fd9 | 4781 | struct station_info sinfo; |
fd5b74dc JB |
4782 | struct sk_buff *msg; |
4783 | u8 *mac_addr = NULL; | |
4c476991 | 4784 | int err; |
fd5b74dc | 4785 | |
73887fd9 | 4786 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc | 4787 | |
73887fd9 JB |
4788 | if (!info->attrs[NL80211_ATTR_MAC]) |
4789 | return -EINVAL; | |
fd5b74dc JB |
4790 | |
4791 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4792 | ||
73887fd9 JB |
4793 | if (!rdev->ops->get_station) |
4794 | return -EOPNOTSUPP; | |
3b85875a | 4795 | |
73887fd9 | 4796 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
fd5b74dc | 4797 | if (err) |
73887fd9 | 4798 | return err; |
2ec600d6 | 4799 | |
fd2120ca | 4800 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
7ea3e110 | 4801 | if (!msg) { |
ba8f566a | 4802 | cfg80211_sinfo_release_content(&sinfo); |
73887fd9 | 4803 | return -ENOMEM; |
7ea3e110 | 4804 | } |
fd5b74dc | 4805 | |
cf5ead82 JB |
4806 | if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, |
4807 | info->snd_portid, info->snd_seq, 0, | |
73887fd9 | 4808 | rdev, dev, mac_addr, &sinfo) < 0) { |
4c476991 | 4809 | nlmsg_free(msg); |
73887fd9 | 4810 | return -ENOBUFS; |
4c476991 | 4811 | } |
3b85875a | 4812 | |
73887fd9 | 4813 | return genlmsg_reply(msg, info); |
5727ef1b JB |
4814 | } |
4815 | ||
77ee7c89 JB |
4816 | int cfg80211_check_station_change(struct wiphy *wiphy, |
4817 | struct station_parameters *params, | |
4818 | enum cfg80211_station_type statype) | |
4819 | { | |
e4208427 AB |
4820 | if (params->listen_interval != -1 && |
4821 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
77ee7c89 | 4822 | return -EINVAL; |
e4208427 | 4823 | |
17b94247 AB |
4824 | if (params->support_p2p_ps != -1 && |
4825 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
4826 | return -EINVAL; | |
4827 | ||
c72e1140 | 4828 | if (params->aid && |
e4208427 AB |
4829 | !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) && |
4830 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
77ee7c89 JB |
4831 | return -EINVAL; |
4832 | ||
4833 | /* When you run into this, adjust the code below for the new flag */ | |
4834 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
4835 | ||
4836 | switch (statype) { | |
eef941e6 TP |
4837 | case CFG80211_STA_MESH_PEER_KERNEL: |
4838 | case CFG80211_STA_MESH_PEER_USER: | |
77ee7c89 JB |
4839 | /* |
4840 | * No ignoring the TDLS flag here -- the userspace mesh | |
4841 | * code doesn't have the bug of including TDLS in the | |
4842 | * mask everywhere. | |
4843 | */ | |
4844 | if (params->sta_flags_mask & | |
4845 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4846 | BIT(NL80211_STA_FLAG_MFP) | | |
4847 | BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
4848 | return -EINVAL; | |
4849 | break; | |
4850 | case CFG80211_STA_TDLS_PEER_SETUP: | |
4851 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
4852 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
4853 | return -EINVAL; | |
4854 | /* ignore since it can't change */ | |
4855 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4856 | break; | |
4857 | default: | |
4858 | /* disallow mesh-specific things */ | |
4859 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) | |
4860 | return -EINVAL; | |
4861 | if (params->local_pm) | |
4862 | return -EINVAL; | |
4863 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) | |
4864 | return -EINVAL; | |
4865 | } | |
4866 | ||
4867 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && | |
4868 | statype != CFG80211_STA_TDLS_PEER_ACTIVE) { | |
4869 | /* TDLS can't be set, ... */ | |
4870 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
4871 | return -EINVAL; | |
4872 | /* | |
4873 | * ... but don't bother the driver with it. This works around | |
4874 | * a hostapd/wpa_supplicant issue -- it always includes the | |
4875 | * TLDS_PEER flag in the mask even for AP mode. | |
4876 | */ | |
4877 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4878 | } | |
4879 | ||
47edb11b AB |
4880 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && |
4881 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) { | |
77ee7c89 JB |
4882 | /* reject other things that can't change */ |
4883 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) | |
4884 | return -EINVAL; | |
4885 | if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY) | |
4886 | return -EINVAL; | |
4887 | if (params->supported_rates) | |
4888 | return -EINVAL; | |
4889 | if (params->ext_capab || params->ht_capa || params->vht_capa) | |
4890 | return -EINVAL; | |
4891 | } | |
4892 | ||
47edb11b AB |
4893 | if (statype != CFG80211_STA_AP_CLIENT && |
4894 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) { | |
77ee7c89 JB |
4895 | if (params->vlan) |
4896 | return -EINVAL; | |
4897 | } | |
4898 | ||
4899 | switch (statype) { | |
4900 | case CFG80211_STA_AP_MLME_CLIENT: | |
4901 | /* Use this only for authorizing/unauthorizing a station */ | |
4902 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
4903 | return -EOPNOTSUPP; | |
4904 | break; | |
4905 | case CFG80211_STA_AP_CLIENT: | |
47edb11b | 4906 | case CFG80211_STA_AP_CLIENT_UNASSOC: |
77ee7c89 JB |
4907 | /* accept only the listed bits */ |
4908 | if (params->sta_flags_mask & | |
4909 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4910 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4911 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4912 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
4913 | BIT(NL80211_STA_FLAG_WME) | | |
4914 | BIT(NL80211_STA_FLAG_MFP))) | |
4915 | return -EINVAL; | |
4916 | ||
4917 | /* but authenticated/associated only if driver handles it */ | |
4918 | if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
4919 | params->sta_flags_mask & | |
4920 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4921 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
4922 | return -EINVAL; | |
4923 | break; | |
4924 | case CFG80211_STA_IBSS: | |
4925 | case CFG80211_STA_AP_STA: | |
4926 | /* reject any changes other than AUTHORIZED */ | |
4927 | if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
4928 | return -EINVAL; | |
4929 | break; | |
4930 | case CFG80211_STA_TDLS_PEER_SETUP: | |
4931 | /* reject any changes other than AUTHORIZED or WME */ | |
4932 | if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4933 | BIT(NL80211_STA_FLAG_WME))) | |
4934 | return -EINVAL; | |
4935 | /* force (at least) rates when authorizing */ | |
4936 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) && | |
4937 | !params->supported_rates) | |
4938 | return -EINVAL; | |
4939 | break; | |
4940 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
4941 | /* reject any changes */ | |
4942 | return -EINVAL; | |
eef941e6 | 4943 | case CFG80211_STA_MESH_PEER_KERNEL: |
77ee7c89 JB |
4944 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) |
4945 | return -EINVAL; | |
4946 | break; | |
eef941e6 | 4947 | case CFG80211_STA_MESH_PEER_USER: |
42925040 CYY |
4948 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION && |
4949 | params->plink_action != NL80211_PLINK_ACTION_BLOCK) | |
77ee7c89 JB |
4950 | return -EINVAL; |
4951 | break; | |
4952 | } | |
4953 | ||
06f7c88c BL |
4954 | /* |
4955 | * Older kernel versions ignored this attribute entirely, so don't | |
4956 | * reject attempts to update it but mark it as unused instead so the | |
4957 | * driver won't look at the data. | |
4958 | */ | |
4959 | if (statype != CFG80211_STA_AP_CLIENT_UNASSOC && | |
4960 | statype != CFG80211_STA_TDLS_PEER_SETUP) | |
4961 | params->opmode_notif_used = false; | |
4962 | ||
77ee7c89 JB |
4963 | return 0; |
4964 | } | |
4965 | EXPORT_SYMBOL(cfg80211_check_station_change); | |
4966 | ||
5727ef1b | 4967 | /* |
c258d2de | 4968 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 4969 | */ |
80b99899 JB |
4970 | static struct net_device *get_vlan(struct genl_info *info, |
4971 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 4972 | { |
463d0183 | 4973 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
4974 | struct net_device *v; |
4975 | int ret; | |
4976 | ||
4977 | if (!vlanattr) | |
4978 | return NULL; | |
4979 | ||
4980 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
4981 | if (!v) | |
4982 | return ERR_PTR(-ENODEV); | |
4983 | ||
4984 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
4985 | ret = -EINVAL; | |
4986 | goto error; | |
5727ef1b | 4987 | } |
80b99899 | 4988 | |
77ee7c89 JB |
4989 | if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
4990 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
4991 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
4992 | ret = -EINVAL; | |
4993 | goto error; | |
4994 | } | |
4995 | ||
80b99899 JB |
4996 | if (!netif_running(v)) { |
4997 | ret = -ENETDOWN; | |
4998 | goto error; | |
4999 | } | |
5000 | ||
5001 | return v; | |
5002 | error: | |
5003 | dev_put(v); | |
5004 | return ERR_PTR(ret); | |
5727ef1b JB |
5005 | } |
5006 | ||
94e860f1 JB |
5007 | static const struct nla_policy |
5008 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = { | |
df881293 JM |
5009 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, |
5010 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
5011 | }; | |
5012 | ||
ff276691 JB |
5013 | static int nl80211_parse_sta_wme(struct genl_info *info, |
5014 | struct station_parameters *params) | |
df881293 | 5015 | { |
df881293 JM |
5016 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
5017 | struct nlattr *nla; | |
5018 | int err; | |
5019 | ||
df881293 JM |
5020 | /* parse WME attributes if present */ |
5021 | if (!info->attrs[NL80211_ATTR_STA_WME]) | |
5022 | return 0; | |
5023 | ||
5024 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
5025 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
fe52145f | 5026 | nl80211_sta_wme_policy, info->extack); |
df881293 JM |
5027 | if (err) |
5028 | return err; | |
5029 | ||
5030 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
5031 | params->uapsd_queues = nla_get_u8( | |
5032 | tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
5033 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
5034 | return -EINVAL; | |
5035 | ||
5036 | if (tb[NL80211_STA_WME_MAX_SP]) | |
5037 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
5038 | ||
5039 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
5040 | return -EINVAL; | |
5041 | ||
5042 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
5043 | ||
5044 | return 0; | |
5045 | } | |
5046 | ||
c01fc9ad SD |
5047 | static int nl80211_parse_sta_channel_info(struct genl_info *info, |
5048 | struct station_parameters *params) | |
5049 | { | |
5050 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) { | |
5051 | params->supported_channels = | |
5052 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
5053 | params->supported_channels_len = | |
5054 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
5055 | /* | |
5056 | * Need to include at least one (first channel, number of | |
5057 | * channels) tuple for each subband, and must have proper | |
5058 | * tuples for the rest of the data as well. | |
5059 | */ | |
5060 | if (params->supported_channels_len < 2) | |
5061 | return -EINVAL; | |
5062 | if (params->supported_channels_len % 2) | |
5063 | return -EINVAL; | |
5064 | } | |
5065 | ||
5066 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) { | |
5067 | params->supported_oper_classes = | |
5068 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
5069 | params->supported_oper_classes_len = | |
5070 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
5071 | /* | |
5072 | * The value of the Length field of the Supported Operating | |
5073 | * Classes element is between 2 and 253. | |
5074 | */ | |
5075 | if (params->supported_oper_classes_len < 2 || | |
5076 | params->supported_oper_classes_len > 253) | |
5077 | return -EINVAL; | |
5078 | } | |
5079 | return 0; | |
5080 | } | |
5081 | ||
ff276691 JB |
5082 | static int nl80211_set_station_tdls(struct genl_info *info, |
5083 | struct station_parameters *params) | |
5084 | { | |
c01fc9ad | 5085 | int err; |
ff276691 | 5086 | /* Dummy STA entry gets updated once the peer capabilities are known */ |
5e4b6f56 JM |
5087 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
5088 | params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); | |
ff276691 JB |
5089 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
5090 | params->ht_capa = | |
5091 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5092 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) | |
5093 | params->vht_capa = | |
5094 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
5095 | ||
c01fc9ad SD |
5096 | err = nl80211_parse_sta_channel_info(info, params); |
5097 | if (err) | |
5098 | return err; | |
5099 | ||
ff276691 JB |
5100 | return nl80211_parse_sta_wme(info, params); |
5101 | } | |
5102 | ||
5727ef1b JB |
5103 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
5104 | { | |
4c476991 | 5105 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 5106 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b | 5107 | struct station_parameters params; |
77ee7c89 JB |
5108 | u8 *mac_addr; |
5109 | int err; | |
5727ef1b JB |
5110 | |
5111 | memset(¶ms, 0, sizeof(params)); | |
5112 | ||
77ee7c89 JB |
5113 | if (!rdev->ops->change_station) |
5114 | return -EOPNOTSUPP; | |
5115 | ||
e4208427 AB |
5116 | /* |
5117 | * AID and listen_interval properties can be set only for unassociated | |
5118 | * station. Include these parameters here and will check them in | |
5119 | * cfg80211_check_station_change(). | |
5120 | */ | |
a9bc31e4 AB |
5121 | if (info->attrs[NL80211_ATTR_STA_AID]) |
5122 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
e4208427 AB |
5123 | |
5124 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) | |
5125 | params.listen_interval = | |
5126 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
5127 | else | |
5128 | params.listen_interval = -1; | |
5727ef1b | 5129 | |
17b94247 AB |
5130 | if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) { |
5131 | u8 tmp; | |
5132 | ||
5133 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]); | |
5134 | if (tmp >= NUM_NL80211_P2P_PS_STATUS) | |
5135 | return -EINVAL; | |
5136 | ||
5137 | params.support_p2p_ps = tmp; | |
5138 | } else { | |
5139 | params.support_p2p_ps = -1; | |
5140 | } | |
5141 | ||
5727ef1b JB |
5142 | if (!info->attrs[NL80211_ATTR_MAC]) |
5143 | return -EINVAL; | |
5144 | ||
5145 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5146 | ||
5147 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
5148 | params.supported_rates = | |
5149 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
5150 | params.supported_rates_len = | |
5151 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
5152 | } | |
5153 | ||
9d62a986 JM |
5154 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
5155 | params.capability = | |
5156 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
5157 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
5158 | } | |
5159 | ||
5160 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
5161 | params.ext_capab = | |
5162 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
5163 | params.ext_capab_len = | |
5164 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
5165 | } | |
5166 | ||
bdd3ae3d | 5167 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
5168 | return -EINVAL; |
5169 | ||
f8bacc21 | 5170 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
2ec600d6 | 5171 | params.plink_action = |
f8bacc21 JB |
5172 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
5173 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
5174 | return -EINVAL; | |
5175 | } | |
2ec600d6 | 5176 | |
f8bacc21 | 5177 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) { |
9c3990aa | 5178 | params.plink_state = |
f8bacc21 JB |
5179 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
5180 | if (params.plink_state >= NUM_NL80211_PLINK_STATES) | |
5181 | return -EINVAL; | |
7d27a0ba MH |
5182 | if (info->attrs[NL80211_ATTR_MESH_PEER_AID]) { |
5183 | params.peer_aid = nla_get_u16( | |
5184 | info->attrs[NL80211_ATTR_MESH_PEER_AID]); | |
5185 | if (params.peer_aid > IEEE80211_MAX_AID) | |
5186 | return -EINVAL; | |
5187 | } | |
f8bacc21 JB |
5188 | params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE; |
5189 | } | |
9c3990aa | 5190 | |
3b1c5a53 MP |
5191 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { |
5192 | enum nl80211_mesh_power_mode pm = nla_get_u32( | |
5193 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); | |
5194 | ||
5195 | if (pm <= NL80211_MESH_POWER_UNKNOWN || | |
5196 | pm > NL80211_MESH_POWER_MAX) | |
5197 | return -EINVAL; | |
5198 | ||
5199 | params.local_pm = pm; | |
5200 | } | |
5201 | ||
06f7c88c BL |
5202 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
5203 | params.opmode_notif_used = true; | |
5204 | params.opmode_notif = | |
5205 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
5206 | } | |
5207 | ||
77ee7c89 JB |
5208 | /* Include parameters for TDLS peer (will check later) */ |
5209 | err = nl80211_set_station_tdls(info, ¶ms); | |
5210 | if (err) | |
5211 | return err; | |
5212 | ||
5213 | params.vlan = get_vlan(info, rdev); | |
5214 | if (IS_ERR(params.vlan)) | |
5215 | return PTR_ERR(params.vlan); | |
5216 | ||
a97f4424 JB |
5217 | switch (dev->ieee80211_ptr->iftype) { |
5218 | case NL80211_IFTYPE_AP: | |
5219 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 5220 | case NL80211_IFTYPE_P2P_GO: |
074ac8df | 5221 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 5222 | case NL80211_IFTYPE_STATION: |
267335d6 | 5223 | case NL80211_IFTYPE_ADHOC: |
a97f4424 | 5224 | case NL80211_IFTYPE_MESH_POINT: |
a97f4424 JB |
5225 | break; |
5226 | default: | |
77ee7c89 JB |
5227 | err = -EOPNOTSUPP; |
5228 | goto out_put_vlan; | |
034d655e JB |
5229 | } |
5230 | ||
77ee7c89 | 5231 | /* driver will call cfg80211_check_station_change() */ |
e35e4d28 | 5232 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 5233 | |
77ee7c89 | 5234 | out_put_vlan: |
5727ef1b JB |
5235 | if (params.vlan) |
5236 | dev_put(params.vlan); | |
3b85875a | 5237 | |
5727ef1b JB |
5238 | return err; |
5239 | } | |
5240 | ||
5241 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
5242 | { | |
4c476991 | 5243 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 5244 | int err; |
4c476991 | 5245 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
5246 | struct station_parameters params; |
5247 | u8 *mac_addr = NULL; | |
bda95eb1 JB |
5248 | u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
5249 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
5727ef1b JB |
5250 | |
5251 | memset(¶ms, 0, sizeof(params)); | |
5252 | ||
984c311b JB |
5253 | if (!rdev->ops->add_station) |
5254 | return -EOPNOTSUPP; | |
5255 | ||
5727ef1b JB |
5256 | if (!info->attrs[NL80211_ATTR_MAC]) |
5257 | return -EINVAL; | |
5258 | ||
5727ef1b JB |
5259 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
5260 | return -EINVAL; | |
5261 | ||
5262 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
5263 | return -EINVAL; | |
5264 | ||
5e4b6f56 JM |
5265 | if (!info->attrs[NL80211_ATTR_STA_AID] && |
5266 | !info->attrs[NL80211_ATTR_PEER_AID]) | |
0e956c13 TLSC |
5267 | return -EINVAL; |
5268 | ||
5727ef1b JB |
5269 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
5270 | params.supported_rates = | |
5271 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
5272 | params.supported_rates_len = | |
5273 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
5274 | params.listen_interval = | |
5275 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 5276 | |
17b94247 AB |
5277 | if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) { |
5278 | u8 tmp; | |
5279 | ||
5280 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]); | |
5281 | if (tmp >= NUM_NL80211_P2P_PS_STATUS) | |
5282 | return -EINVAL; | |
5283 | ||
5284 | params.support_p2p_ps = tmp; | |
5285 | } else { | |
5286 | /* | |
5287 | * if not specified, assume it's supported for P2P GO interface, | |
5288 | * and is NOT supported for AP interface | |
5289 | */ | |
5290 | params.support_p2p_ps = | |
5291 | dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO; | |
5292 | } | |
5293 | ||
3d124ea2 | 5294 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
5e4b6f56 | 5295 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
3d124ea2 JM |
5296 | else |
5297 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
0e956c13 TLSC |
5298 | if (!params.aid || params.aid > IEEE80211_MAX_AID) |
5299 | return -EINVAL; | |
51b50fbe | 5300 | |
9d62a986 JM |
5301 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
5302 | params.capability = | |
5303 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
5304 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
5305 | } | |
5306 | ||
5307 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
5308 | params.ext_capab = | |
5309 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
5310 | params.ext_capab_len = | |
5311 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
5312 | } | |
5313 | ||
36aedc90 JM |
5314 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
5315 | params.ht_capa = | |
5316 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 5317 | |
f461be3e MP |
5318 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
5319 | params.vht_capa = | |
5320 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
5321 | ||
60f4a7b1 MK |
5322 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
5323 | params.opmode_notif_used = true; | |
5324 | params.opmode_notif = | |
5325 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
5326 | } | |
5327 | ||
f8bacc21 | 5328 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
96b78dff | 5329 | params.plink_action = |
f8bacc21 JB |
5330 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
5331 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
5332 | return -EINVAL; | |
5333 | } | |
96b78dff | 5334 | |
c01fc9ad SD |
5335 | err = nl80211_parse_sta_channel_info(info, ¶ms); |
5336 | if (err) | |
5337 | return err; | |
5338 | ||
ff276691 JB |
5339 | err = nl80211_parse_sta_wme(info, ¶ms); |
5340 | if (err) | |
5341 | return err; | |
bdd90d5e | 5342 | |
bdd3ae3d | 5343 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
5344 | return -EINVAL; |
5345 | ||
496fcc29 JB |
5346 | /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT |
5347 | * as userspace might just pass through the capabilities from the IEs | |
5348 | * directly, rather than enforcing this restriction and returning an | |
5349 | * error in this case. | |
5350 | */ | |
5351 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) { | |
5352 | params.ht_capa = NULL; | |
5353 | params.vht_capa = NULL; | |
5354 | } | |
5355 | ||
77ee7c89 JB |
5356 | /* When you run into this, adjust the code below for the new flag */ |
5357 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
5358 | ||
bdd90d5e JB |
5359 | switch (dev->ieee80211_ptr->iftype) { |
5360 | case NL80211_IFTYPE_AP: | |
5361 | case NL80211_IFTYPE_AP_VLAN: | |
5362 | case NL80211_IFTYPE_P2P_GO: | |
984c311b JB |
5363 | /* ignore WME attributes if iface/sta is not capable */ |
5364 | if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) || | |
5365 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) | |
5366 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
c75786c9 | 5367 | |
bdd90d5e | 5368 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
5369 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
5370 | info->attrs[NL80211_ATTR_PEER_AID]) | |
4319e193 | 5371 | return -EINVAL; |
bdd90d5e JB |
5372 | /* but don't bother the driver with it */ |
5373 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 5374 | |
d582cffb JB |
5375 | /* allow authenticated/associated only if driver handles it */ |
5376 | if (!(rdev->wiphy.features & | |
5377 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
bda95eb1 | 5378 | params.sta_flags_mask & auth_assoc) |
d582cffb JB |
5379 | return -EINVAL; |
5380 | ||
bda95eb1 JB |
5381 | /* Older userspace, or userspace wanting to be compatible with |
5382 | * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth | |
5383 | * and assoc flags in the mask, but assumes the station will be | |
5384 | * added as associated anyway since this was the required driver | |
5385 | * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was | |
5386 | * introduced. | |
5387 | * In order to not bother drivers with this quirk in the API | |
5388 | * set the flags in both the mask and set for new stations in | |
5389 | * this case. | |
5390 | */ | |
5391 | if (!(params.sta_flags_mask & auth_assoc)) { | |
5392 | params.sta_flags_mask |= auth_assoc; | |
5393 | params.sta_flags_set |= auth_assoc; | |
5394 | } | |
5395 | ||
bdd90d5e JB |
5396 | /* must be last in here for error handling */ |
5397 | params.vlan = get_vlan(info, rdev); | |
5398 | if (IS_ERR(params.vlan)) | |
5399 | return PTR_ERR(params.vlan); | |
5400 | break; | |
5401 | case NL80211_IFTYPE_MESH_POINT: | |
984c311b JB |
5402 | /* ignore uAPSD data */ |
5403 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
5404 | ||
d582cffb JB |
5405 | /* associated is disallowed */ |
5406 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
5407 | return -EINVAL; | |
bdd90d5e | 5408 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
5409 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
5410 | info->attrs[NL80211_ATTR_PEER_AID]) | |
bdd90d5e JB |
5411 | return -EINVAL; |
5412 | break; | |
5413 | case NL80211_IFTYPE_STATION: | |
93d08f0b | 5414 | case NL80211_IFTYPE_P2P_CLIENT: |
984c311b JB |
5415 | /* ignore uAPSD data */ |
5416 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
5417 | ||
77ee7c89 JB |
5418 | /* these are disallowed */ |
5419 | if (params.sta_flags_mask & | |
5420 | (BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
5421 | BIT(NL80211_STA_FLAG_AUTHENTICATED))) | |
d582cffb | 5422 | return -EINVAL; |
bdd90d5e JB |
5423 | /* Only TDLS peers can be added */ |
5424 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
5425 | return -EINVAL; | |
5426 | /* Can only add if TDLS ... */ | |
5427 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
5428 | return -EOPNOTSUPP; | |
5429 | /* ... with external setup is supported */ | |
5430 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
5431 | return -EOPNOTSUPP; | |
77ee7c89 JB |
5432 | /* |
5433 | * Older wpa_supplicant versions always mark the TDLS peer | |
5434 | * as authorized, but it shouldn't yet be. | |
5435 | */ | |
5436 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED); | |
bdd90d5e JB |
5437 | break; |
5438 | default: | |
5439 | return -EOPNOTSUPP; | |
c75786c9 EP |
5440 | } |
5441 | ||
bdd90d5e | 5442 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 5443 | |
e35e4d28 | 5444 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 5445 | |
5727ef1b JB |
5446 | if (params.vlan) |
5447 | dev_put(params.vlan); | |
5727ef1b JB |
5448 | return err; |
5449 | } | |
5450 | ||
5451 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
5452 | { | |
4c476991 JB |
5453 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5454 | struct net_device *dev = info->user_ptr[1]; | |
89c771e5 JM |
5455 | struct station_del_parameters params; |
5456 | ||
5457 | memset(¶ms, 0, sizeof(params)); | |
5727ef1b JB |
5458 | |
5459 | if (info->attrs[NL80211_ATTR_MAC]) | |
89c771e5 | 5460 | params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]); |
5727ef1b | 5461 | |
e80cf853 | 5462 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 5463 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 5464 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
5465 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5466 | return -EINVAL; | |
5727ef1b | 5467 | |
4c476991 JB |
5468 | if (!rdev->ops->del_station) |
5469 | return -EOPNOTSUPP; | |
3b85875a | 5470 | |
98856866 JM |
5471 | if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) { |
5472 | params.subtype = | |
5473 | nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]); | |
5474 | if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 && | |
5475 | params.subtype != IEEE80211_STYPE_DEAUTH >> 4) | |
5476 | return -EINVAL; | |
5477 | } else { | |
5478 | /* Default to Deauthentication frame */ | |
5479 | params.subtype = IEEE80211_STYPE_DEAUTH >> 4; | |
5480 | } | |
5481 | ||
5482 | if (info->attrs[NL80211_ATTR_REASON_CODE]) { | |
5483 | params.reason_code = | |
5484 | nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
5485 | if (params.reason_code == 0) | |
5486 | return -EINVAL; /* 0 is reserved */ | |
5487 | } else { | |
5488 | /* Default to reason code 2 */ | |
5489 | params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID; | |
5490 | } | |
5491 | ||
89c771e5 | 5492 | return rdev_del_station(rdev, dev, ¶ms); |
5727ef1b JB |
5493 | } |
5494 | ||
15e47304 | 5495 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
5496 | int flags, struct net_device *dev, |
5497 | u8 *dst, u8 *next_hop, | |
5498 | struct mpath_info *pinfo) | |
5499 | { | |
5500 | void *hdr; | |
5501 | struct nlattr *pinfoattr; | |
5502 | ||
1ef4c850 | 5503 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH); |
2ec600d6 LCC |
5504 | if (!hdr) |
5505 | return -1; | |
5506 | ||
9360ffd1 DM |
5507 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
5508 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
5509 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
5510 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
5511 | goto nla_put_failure; | |
f5ea9120 | 5512 | |
2ec600d6 LCC |
5513 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
5514 | if (!pinfoattr) | |
5515 | goto nla_put_failure; | |
9360ffd1 DM |
5516 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
5517 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
5518 | pinfo->frame_qlen)) | |
5519 | goto nla_put_failure; | |
5520 | if (((pinfo->filled & MPATH_INFO_SN) && | |
5521 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
5522 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
5523 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
5524 | pinfo->metric)) || | |
5525 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
5526 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
5527 | pinfo->exptime)) || | |
5528 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
5529 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
5530 | pinfo->flags)) || | |
5531 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
5532 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
5533 | pinfo->discovery_timeout)) || | |
5534 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
5535 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
5536 | pinfo->discovery_retries))) | |
5537 | goto nla_put_failure; | |
2ec600d6 LCC |
5538 | |
5539 | nla_nest_end(msg, pinfoattr); | |
5540 | ||
053c095a JB |
5541 | genlmsg_end(msg, hdr); |
5542 | return 0; | |
2ec600d6 LCC |
5543 | |
5544 | nla_put_failure: | |
bc3ed28c TG |
5545 | genlmsg_cancel(msg, hdr); |
5546 | return -EMSGSIZE; | |
2ec600d6 LCC |
5547 | } |
5548 | ||
5549 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 5550 | struct netlink_callback *cb) |
2ec600d6 | 5551 | { |
2ec600d6 | 5552 | struct mpath_info pinfo; |
1b8ec87a | 5553 | struct cfg80211_registered_device *rdev; |
97990a06 | 5554 | struct wireless_dev *wdev; |
2ec600d6 LCC |
5555 | u8 dst[ETH_ALEN]; |
5556 | u8 next_hop[ETH_ALEN]; | |
97990a06 | 5557 | int path_idx = cb->args[2]; |
2ec600d6 | 5558 | int err; |
2ec600d6 | 5559 | |
ea90e0dc | 5560 | rtnl_lock(); |
1b8ec87a | 5561 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 | 5562 | if (err) |
ea90e0dc | 5563 | goto out_err; |
bba95fef | 5564 | |
1b8ec87a | 5565 | if (!rdev->ops->dump_mpath) { |
eec60b03 | 5566 | err = -EOPNOTSUPP; |
bba95fef JB |
5567 | goto out_err; |
5568 | } | |
5569 | ||
97990a06 | 5570 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { |
eec60b03 | 5571 | err = -EOPNOTSUPP; |
0448b5fc | 5572 | goto out_err; |
eec60b03 JM |
5573 | } |
5574 | ||
bba95fef | 5575 | while (1) { |
1b8ec87a | 5576 | err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst, |
97990a06 | 5577 | next_hop, &pinfo); |
bba95fef | 5578 | if (err == -ENOENT) |
2ec600d6 | 5579 | break; |
bba95fef | 5580 | if (err) |
3b85875a | 5581 | goto out_err; |
2ec600d6 | 5582 | |
15e47304 | 5583 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef | 5584 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 5585 | wdev->netdev, dst, next_hop, |
bba95fef JB |
5586 | &pinfo) < 0) |
5587 | goto out; | |
2ec600d6 | 5588 | |
bba95fef | 5589 | path_idx++; |
2ec600d6 | 5590 | } |
2ec600d6 | 5591 | |
bba95fef | 5592 | out: |
97990a06 | 5593 | cb->args[2] = path_idx; |
bba95fef | 5594 | err = skb->len; |
bba95fef | 5595 | out_err: |
ea90e0dc | 5596 | rtnl_unlock(); |
bba95fef | 5597 | return err; |
2ec600d6 LCC |
5598 | } |
5599 | ||
5600 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
5601 | { | |
4c476991 | 5602 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 5603 | int err; |
4c476991 | 5604 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
5605 | struct mpath_info pinfo; |
5606 | struct sk_buff *msg; | |
5607 | u8 *dst = NULL; | |
5608 | u8 next_hop[ETH_ALEN]; | |
5609 | ||
5610 | memset(&pinfo, 0, sizeof(pinfo)); | |
5611 | ||
5612 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5613 | return -EINVAL; | |
5614 | ||
5615 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5616 | ||
4c476991 JB |
5617 | if (!rdev->ops->get_mpath) |
5618 | return -EOPNOTSUPP; | |
2ec600d6 | 5619 | |
4c476991 JB |
5620 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
5621 | return -EOPNOTSUPP; | |
eec60b03 | 5622 | |
e35e4d28 | 5623 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 5624 | if (err) |
4c476991 | 5625 | return err; |
2ec600d6 | 5626 | |
fd2120ca | 5627 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 5628 | if (!msg) |
4c476991 | 5629 | return -ENOMEM; |
2ec600d6 | 5630 | |
15e47304 | 5631 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
5632 | dev, dst, next_hop, &pinfo) < 0) { |
5633 | nlmsg_free(msg); | |
5634 | return -ENOBUFS; | |
5635 | } | |
3b85875a | 5636 | |
4c476991 | 5637 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
5638 | } |
5639 | ||
5640 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
5641 | { | |
4c476991 JB |
5642 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5643 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
5644 | u8 *dst = NULL; |
5645 | u8 *next_hop = NULL; | |
5646 | ||
5647 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5648 | return -EINVAL; | |
5649 | ||
5650 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
5651 | return -EINVAL; | |
5652 | ||
5653 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5654 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
5655 | ||
4c476991 JB |
5656 | if (!rdev->ops->change_mpath) |
5657 | return -EOPNOTSUPP; | |
35a8efe1 | 5658 | |
4c476991 JB |
5659 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
5660 | return -EOPNOTSUPP; | |
2ec600d6 | 5661 | |
e35e4d28 | 5662 | return rdev_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 5663 | } |
4c476991 | 5664 | |
2ec600d6 LCC |
5665 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
5666 | { | |
4c476991 JB |
5667 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5668 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
5669 | u8 *dst = NULL; |
5670 | u8 *next_hop = NULL; | |
5671 | ||
5672 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5673 | return -EINVAL; | |
5674 | ||
5675 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
5676 | return -EINVAL; | |
5677 | ||
5678 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5679 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
5680 | ||
4c476991 JB |
5681 | if (!rdev->ops->add_mpath) |
5682 | return -EOPNOTSUPP; | |
35a8efe1 | 5683 | |
4c476991 JB |
5684 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
5685 | return -EOPNOTSUPP; | |
2ec600d6 | 5686 | |
e35e4d28 | 5687 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
5688 | } |
5689 | ||
5690 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
5691 | { | |
4c476991 JB |
5692 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5693 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
5694 | u8 *dst = NULL; |
5695 | ||
5696 | if (info->attrs[NL80211_ATTR_MAC]) | |
5697 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5698 | ||
4c476991 JB |
5699 | if (!rdev->ops->del_mpath) |
5700 | return -EOPNOTSUPP; | |
3b85875a | 5701 | |
e35e4d28 | 5702 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
5703 | } |
5704 | ||
66be7d2b HR |
5705 | static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info) |
5706 | { | |
5707 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5708 | int err; | |
5709 | struct net_device *dev = info->user_ptr[1]; | |
5710 | struct mpath_info pinfo; | |
5711 | struct sk_buff *msg; | |
5712 | u8 *dst = NULL; | |
5713 | u8 mpp[ETH_ALEN]; | |
5714 | ||
5715 | memset(&pinfo, 0, sizeof(pinfo)); | |
5716 | ||
5717 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5718 | return -EINVAL; | |
5719 | ||
5720 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5721 | ||
5722 | if (!rdev->ops->get_mpp) | |
5723 | return -EOPNOTSUPP; | |
5724 | ||
5725 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
5726 | return -EOPNOTSUPP; | |
5727 | ||
5728 | err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo); | |
5729 | if (err) | |
5730 | return err; | |
5731 | ||
5732 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
5733 | if (!msg) | |
5734 | return -ENOMEM; | |
5735 | ||
5736 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, | |
5737 | dev, dst, mpp, &pinfo) < 0) { | |
5738 | nlmsg_free(msg); | |
5739 | return -ENOBUFS; | |
5740 | } | |
5741 | ||
5742 | return genlmsg_reply(msg, info); | |
5743 | } | |
5744 | ||
5745 | static int nl80211_dump_mpp(struct sk_buff *skb, | |
5746 | struct netlink_callback *cb) | |
5747 | { | |
5748 | struct mpath_info pinfo; | |
5749 | struct cfg80211_registered_device *rdev; | |
5750 | struct wireless_dev *wdev; | |
5751 | u8 dst[ETH_ALEN]; | |
5752 | u8 mpp[ETH_ALEN]; | |
5753 | int path_idx = cb->args[2]; | |
5754 | int err; | |
5755 | ||
ea90e0dc | 5756 | rtnl_lock(); |
66be7d2b HR |
5757 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
5758 | if (err) | |
ea90e0dc | 5759 | goto out_err; |
66be7d2b HR |
5760 | |
5761 | if (!rdev->ops->dump_mpp) { | |
5762 | err = -EOPNOTSUPP; | |
5763 | goto out_err; | |
5764 | } | |
5765 | ||
5766 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { | |
5767 | err = -EOPNOTSUPP; | |
5768 | goto out_err; | |
5769 | } | |
5770 | ||
5771 | while (1) { | |
5772 | err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst, | |
5773 | mpp, &pinfo); | |
5774 | if (err == -ENOENT) | |
5775 | break; | |
5776 | if (err) | |
5777 | goto out_err; | |
5778 | ||
5779 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, | |
5780 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
5781 | wdev->netdev, dst, mpp, | |
5782 | &pinfo) < 0) | |
5783 | goto out; | |
5784 | ||
5785 | path_idx++; | |
5786 | } | |
5787 | ||
5788 | out: | |
5789 | cb->args[2] = path_idx; | |
5790 | err = skb->len; | |
5791 | out_err: | |
ea90e0dc | 5792 | rtnl_unlock(); |
66be7d2b HR |
5793 | return err; |
5794 | } | |
5795 | ||
9f1ba906 JM |
5796 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
5797 | { | |
4c476991 JB |
5798 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5799 | struct net_device *dev = info->user_ptr[1]; | |
c56589ed | 5800 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9f1ba906 | 5801 | struct bss_parameters params; |
c56589ed | 5802 | int err; |
9f1ba906 JM |
5803 | |
5804 | memset(¶ms, 0, sizeof(params)); | |
5805 | /* default to not changing parameters */ | |
5806 | params.use_cts_prot = -1; | |
5807 | params.use_short_preamble = -1; | |
5808 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 5809 | params.ap_isolate = -1; |
50b12f59 | 5810 | params.ht_opmode = -1; |
53cabad7 JB |
5811 | params.p2p_ctwindow = -1; |
5812 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
5813 | |
5814 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
5815 | params.use_cts_prot = | |
5816 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
5817 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
5818 | params.use_short_preamble = | |
5819 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
5820 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
5821 | params.use_short_slot_time = | |
5822 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
5823 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
5824 | params.basic_rates = | |
5825 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
5826 | params.basic_rates_len = | |
5827 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
5828 | } | |
fd8aaaf3 FF |
5829 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
5830 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
5831 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
5832 | params.ht_opmode = | |
5833 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 5834 | |
53cabad7 JB |
5835 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
5836 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5837 | return -EINVAL; | |
5838 | params.p2p_ctwindow = | |
5839 | nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
5840 | if (params.p2p_ctwindow < 0) | |
5841 | return -EINVAL; | |
5842 | if (params.p2p_ctwindow != 0 && | |
5843 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
5844 | return -EINVAL; | |
5845 | } | |
5846 | ||
5847 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
5848 | u8 tmp; | |
5849 | ||
5850 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5851 | return -EINVAL; | |
5852 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
5853 | if (tmp > 1) | |
5854 | return -EINVAL; | |
5855 | params.p2p_opp_ps = tmp; | |
5856 | if (params.p2p_opp_ps && | |
5857 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
5858 | return -EINVAL; | |
5859 | } | |
5860 | ||
4c476991 JB |
5861 | if (!rdev->ops->change_bss) |
5862 | return -EOPNOTSUPP; | |
9f1ba906 | 5863 | |
074ac8df | 5864 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
5865 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5866 | return -EOPNOTSUPP; | |
3b85875a | 5867 | |
c56589ed SW |
5868 | wdev_lock(wdev); |
5869 | err = rdev_change_bss(rdev, dev, ¶ms); | |
5870 | wdev_unlock(wdev); | |
5871 | ||
5872 | return err; | |
9f1ba906 JM |
5873 | } |
5874 | ||
b2e1b302 LR |
5875 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) |
5876 | { | |
b2e1b302 | 5877 | char *data = NULL; |
05050753 | 5878 | bool is_indoor; |
57b5ce07 | 5879 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
05050753 I |
5880 | u32 owner_nlportid; |
5881 | ||
80778f18 LR |
5882 | /* |
5883 | * You should only get this when cfg80211 hasn't yet initialized | |
5884 | * completely when built-in to the kernel right between the time | |
5885 | * window between nl80211_init() and regulatory_init(), if that is | |
5886 | * even possible. | |
5887 | */ | |
458f4f9e | 5888 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 5889 | return -EINPROGRESS; |
80778f18 | 5890 | |
57b5ce07 LR |
5891 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
5892 | user_reg_hint_type = | |
5893 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
5894 | else | |
5895 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
5896 | ||
5897 | switch (user_reg_hint_type) { | |
5898 | case NL80211_USER_REG_HINT_USER: | |
5899 | case NL80211_USER_REG_HINT_CELL_BASE: | |
52616f2b IP |
5900 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
5901 | return -EINVAL; | |
5902 | ||
5903 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5904 | return regulatory_hint_user(data, user_reg_hint_type); | |
5905 | case NL80211_USER_REG_HINT_INDOOR: | |
05050753 I |
5906 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) { |
5907 | owner_nlportid = info->snd_portid; | |
5908 | is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR]; | |
5909 | } else { | |
5910 | owner_nlportid = 0; | |
5911 | is_indoor = true; | |
5912 | } | |
5913 | ||
5914 | return regulatory_hint_indoor(is_indoor, owner_nlportid); | |
57b5ce07 LR |
5915 | default: |
5916 | return -EINVAL; | |
5917 | } | |
b2e1b302 LR |
5918 | } |
5919 | ||
1ea4ff3e JB |
5920 | static int nl80211_reload_regdb(struct sk_buff *skb, struct genl_info *info) |
5921 | { | |
5922 | return reg_reload_regdb(); | |
5923 | } | |
5924 | ||
24bdd9f4 | 5925 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 5926 | struct genl_info *info) |
93da9cc1 | 5927 | { |
4c476991 | 5928 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 5929 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
5930 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
5931 | struct mesh_config cur_params; | |
5932 | int err = 0; | |
93da9cc1 | 5933 | void *hdr; |
5934 | struct nlattr *pinfoattr; | |
5935 | struct sk_buff *msg; | |
5936 | ||
29cbe68c JB |
5937 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
5938 | return -EOPNOTSUPP; | |
5939 | ||
24bdd9f4 | 5940 | if (!rdev->ops->get_mesh_config) |
4c476991 | 5941 | return -EOPNOTSUPP; |
f3f92586 | 5942 | |
29cbe68c JB |
5943 | wdev_lock(wdev); |
5944 | /* If not connected, get default parameters */ | |
5945 | if (!wdev->mesh_id_len) | |
5946 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
5947 | else | |
e35e4d28 | 5948 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
5949 | wdev_unlock(wdev); |
5950 | ||
93da9cc1 | 5951 | if (err) |
4c476991 | 5952 | return err; |
93da9cc1 | 5953 | |
5954 | /* Draw up a netlink message to send back */ | |
fd2120ca | 5955 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
5956 | if (!msg) |
5957 | return -ENOMEM; | |
15e47304 | 5958 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 5959 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 5960 | if (!hdr) |
efe1cf0c | 5961 | goto out; |
24bdd9f4 | 5962 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 5963 | if (!pinfoattr) |
5964 | goto nla_put_failure; | |
9360ffd1 DM |
5965 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
5966 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
5967 | cur_params.dot11MeshRetryTimeout) || | |
5968 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
5969 | cur_params.dot11MeshConfirmTimeout) || | |
5970 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
5971 | cur_params.dot11MeshHoldingTimeout) || | |
5972 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
5973 | cur_params.dot11MeshMaxPeerLinks) || | |
5974 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
5975 | cur_params.dot11MeshMaxRetries) || | |
5976 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
5977 | cur_params.dot11MeshTTL) || | |
5978 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
5979 | cur_params.element_ttl) || | |
5980 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
5981 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
5982 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
5983 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
5984 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
5985 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
5986 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
5987 | cur_params.path_refresh_time) || | |
5988 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
5989 | cur_params.min_discovery_timeout) || | |
5990 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
5991 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
5992 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
5993 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
5994 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
5995 | cur_params.dot11MeshHWMPperrMinInterval) || | |
5996 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
5997 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
5998 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
5999 | cur_params.dot11MeshHWMPRootMode) || | |
6000 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
6001 | cur_params.dot11MeshHWMPRannInterval) || | |
6002 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
6003 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
6004 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
6005 | cur_params.dot11MeshForwarding) || | |
335d5349 | 6006 | nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, |
70c33eaa AN |
6007 | cur_params.rssi_threshold) || |
6008 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
6009 | cur_params.ht_opmode) || |
6010 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
6011 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
6012 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
6013 | cur_params.dot11MeshHWMProotInterval) || |
6014 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
6015 | cur_params.dot11MeshHWMPconfirmationInterval) || |
6016 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
6017 | cur_params.power_mode) || | |
6018 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
8e7c0538 CT |
6019 | cur_params.dot11MeshAwakeWindowDuration) || |
6020 | nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
6021 | cur_params.plink_timeout)) | |
9360ffd1 | 6022 | goto nla_put_failure; |
93da9cc1 | 6023 | nla_nest_end(msg, pinfoattr); |
6024 | genlmsg_end(msg, hdr); | |
4c476991 | 6025 | return genlmsg_reply(msg, info); |
93da9cc1 | 6026 | |
3b85875a | 6027 | nla_put_failure: |
efe1cf0c | 6028 | out: |
d080e275 | 6029 | nlmsg_free(msg); |
4c476991 | 6030 | return -ENOBUFS; |
93da9cc1 | 6031 | } |
6032 | ||
b54452b0 | 6033 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 6034 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
6035 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
6036 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
6037 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
6038 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
6039 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 6040 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 6041 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
d299a1f2 | 6042 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, |
93da9cc1 | 6043 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
6044 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
6045 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
6046 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
6047 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 6048 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 6049 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 6050 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 6051 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 6052 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 6053 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
a4f606ea CYY |
6054 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, |
6055 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, | |
ac1073a6 CYY |
6056 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
6057 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, | |
728b19e5 | 6058 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, |
3b1c5a53 MP |
6059 | [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, |
6060 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, | |
8e7c0538 | 6061 | [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 }, |
93da9cc1 | 6062 | }; |
6063 | ||
c80d545d JC |
6064 | static const struct nla_policy |
6065 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 6066 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
6067 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
6068 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 6069 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
6e16d90b | 6070 | [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 }, |
bb2798d4 | 6071 | [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG }, |
581a8b0f | 6072 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
a4f606ea | 6073 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 6074 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
6075 | }; |
6076 | ||
f151d9db AB |
6077 | static int nl80211_check_bool(const struct nlattr *nla, u8 min, u8 max, bool *out) |
6078 | { | |
6079 | u8 val = nla_get_u8(nla); | |
6080 | if (val < min || val > max) | |
6081 | return -EINVAL; | |
6082 | *out = val; | |
6083 | return 0; | |
6084 | } | |
6085 | ||
6086 | static int nl80211_check_u8(const struct nlattr *nla, u8 min, u8 max, u8 *out) | |
6087 | { | |
6088 | u8 val = nla_get_u8(nla); | |
6089 | if (val < min || val > max) | |
6090 | return -EINVAL; | |
6091 | *out = val; | |
6092 | return 0; | |
6093 | } | |
6094 | ||
6095 | static int nl80211_check_u16(const struct nlattr *nla, u16 min, u16 max, u16 *out) | |
6096 | { | |
6097 | u16 val = nla_get_u16(nla); | |
6098 | if (val < min || val > max) | |
6099 | return -EINVAL; | |
6100 | *out = val; | |
6101 | return 0; | |
6102 | } | |
6103 | ||
6104 | static int nl80211_check_u32(const struct nlattr *nla, u32 min, u32 max, u32 *out) | |
6105 | { | |
6106 | u32 val = nla_get_u32(nla); | |
6107 | if (val < min || val > max) | |
6108 | return -EINVAL; | |
6109 | *out = val; | |
6110 | return 0; | |
6111 | } | |
6112 | ||
6113 | static int nl80211_check_s32(const struct nlattr *nla, s32 min, s32 max, s32 *out) | |
6114 | { | |
6115 | s32 val = nla_get_s32(nla); | |
6116 | if (val < min || val > max) | |
6117 | return -EINVAL; | |
6118 | *out = val; | |
6119 | return 0; | |
6120 | } | |
6121 | ||
ff9a71af JB |
6122 | static int nl80211_check_power_mode(const struct nlattr *nla, |
6123 | enum nl80211_mesh_power_mode min, | |
6124 | enum nl80211_mesh_power_mode max, | |
6125 | enum nl80211_mesh_power_mode *out) | |
6126 | { | |
6127 | u32 val = nla_get_u32(nla); | |
6128 | if (val < min || val > max) | |
6129 | return -EINVAL; | |
6130 | *out = val; | |
6131 | return 0; | |
6132 | } | |
6133 | ||
24bdd9f4 | 6134 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
6135 | struct mesh_config *cfg, |
6136 | u32 *mask_out) | |
93da9cc1 | 6137 | { |
93da9cc1 | 6138 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 6139 | u32 mask = 0; |
9757235f | 6140 | u16 ht_opmode; |
93da9cc1 | 6141 | |
ea54fba2 MP |
6142 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ |
6143 | do { \ | |
6144 | if (tb[attr]) { \ | |
f151d9db | 6145 | if (fn(tb[attr], min, max, &cfg->param)) \ |
ea54fba2 | 6146 | return -EINVAL; \ |
ea54fba2 MP |
6147 | mask |= (1 << (attr - 1)); \ |
6148 | } \ | |
6149 | } while (0) | |
bd90fdcc | 6150 | |
24bdd9f4 | 6151 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 6152 | return -EINVAL; |
6153 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 6154 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
fe52145f | 6155 | nl80211_meshconf_params_policy, info->extack)) |
93da9cc1 | 6156 | return -EINVAL; |
6157 | ||
93da9cc1 | 6158 | /* This makes sure that there aren't more than 32 mesh config |
6159 | * parameters (otherwise our bitfield scheme would not work.) */ | |
6160 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
6161 | ||
6162 | /* Fill in the params struct */ | |
ea54fba2 | 6163 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255, |
a4f606ea | 6164 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, |
f151d9db | 6165 | nl80211_check_u16); |
ea54fba2 | 6166 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255, |
a4f606ea | 6167 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
f151d9db | 6168 | nl80211_check_u16); |
ea54fba2 | 6169 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255, |
a4f606ea | 6170 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, |
f151d9db | 6171 | nl80211_check_u16); |
ea54fba2 | 6172 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255, |
a4f606ea | 6173 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, |
f151d9db | 6174 | nl80211_check_u16); |
ea54fba2 | 6175 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16, |
a4f606ea | 6176 | mask, NL80211_MESHCONF_MAX_RETRIES, |
f151d9db | 6177 | nl80211_check_u8); |
ea54fba2 | 6178 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255, |
f151d9db | 6179 | mask, NL80211_MESHCONF_TTL, nl80211_check_u8); |
ea54fba2 | 6180 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255, |
a4f606ea | 6181 | mask, NL80211_MESHCONF_ELEMENT_TTL, |
f151d9db | 6182 | nl80211_check_u8); |
ea54fba2 | 6183 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1, |
a4f606ea | 6184 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
f151d9db | 6185 | nl80211_check_bool); |
ea54fba2 MP |
6186 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
6187 | 1, 255, mask, | |
a4f606ea | 6188 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
f151d9db | 6189 | nl80211_check_u32); |
ea54fba2 | 6190 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255, |
a4f606ea | 6191 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
f151d9db | 6192 | nl80211_check_u8); |
ea54fba2 | 6193 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535, |
a4f606ea | 6194 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, |
f151d9db | 6195 | nl80211_check_u32); |
ea54fba2 | 6196 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535, |
a4f606ea | 6197 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
f151d9db | 6198 | nl80211_check_u16); |
ea54fba2 MP |
6199 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
6200 | 1, 65535, mask, | |
a4f606ea | 6201 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
f151d9db | 6202 | nl80211_check_u32); |
93da9cc1 | 6203 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
ea54fba2 MP |
6204 | 1, 65535, mask, |
6205 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
f151d9db | 6206 | nl80211_check_u16); |
dca7e943 | 6207 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
ea54fba2 MP |
6208 | 1, 65535, mask, |
6209 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
f151d9db | 6210 | nl80211_check_u16); |
93da9cc1 | 6211 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
6212 | dot11MeshHWMPnetDiameterTraversalTime, |
6213 | 1, 65535, mask, | |
a4f606ea | 6214 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
f151d9db | 6215 | nl80211_check_u16); |
ea54fba2 MP |
6216 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4, |
6217 | mask, NL80211_MESHCONF_HWMP_ROOTMODE, | |
f151d9db | 6218 | nl80211_check_u8); |
ea54fba2 MP |
6219 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535, |
6220 | mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
f151d9db | 6221 | nl80211_check_u16); |
63c5723b | 6222 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
6223 | dot11MeshGateAnnouncementProtocol, 0, 1, |
6224 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
f151d9db | 6225 | nl80211_check_bool); |
ea54fba2 | 6226 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, |
a4f606ea | 6227 | mask, NL80211_MESHCONF_FORWARDING, |
f151d9db | 6228 | nl80211_check_bool); |
83374fe9 | 6229 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0, |
a4f606ea | 6230 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, |
f151d9db | 6231 | nl80211_check_s32); |
9757235f MH |
6232 | /* |
6233 | * Check HT operation mode based on | |
6234 | * IEEE 802.11 2012 8.4.2.59 HT Operation element. | |
6235 | */ | |
6236 | if (tb[NL80211_MESHCONF_HT_OPMODE]) { | |
6237 | ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]); | |
6238 | ||
6239 | if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION | | |
6240 | IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT | | |
6241 | IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
6242 | return -EINVAL; | |
6243 | ||
6244 | if ((ht_opmode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) && | |
6245 | (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
6246 | return -EINVAL; | |
6247 | ||
6248 | switch (ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION) { | |
6249 | case IEEE80211_HT_OP_MODE_PROTECTION_NONE: | |
6250 | case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: | |
6251 | if (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) | |
6252 | return -EINVAL; | |
6253 | break; | |
6254 | case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER: | |
6255 | case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: | |
6256 | if (!(ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
6257 | return -EINVAL; | |
6258 | break; | |
6259 | } | |
6260 | cfg->ht_opmode = ht_opmode; | |
fd551bac | 6261 | mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1)); |
9757235f | 6262 | } |
ac1073a6 | 6263 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, |
ea54fba2 | 6264 | 1, 65535, mask, |
ac1073a6 | 6265 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, |
f151d9db | 6266 | nl80211_check_u32); |
ea54fba2 | 6267 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535, |
ac1073a6 | 6268 | mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, |
f151d9db | 6269 | nl80211_check_u16); |
728b19e5 | 6270 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
6271 | dot11MeshHWMPconfirmationInterval, |
6272 | 1, 65535, mask, | |
728b19e5 | 6273 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
f151d9db | 6274 | nl80211_check_u16); |
3b1c5a53 MP |
6275 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, |
6276 | NL80211_MESH_POWER_ACTIVE, | |
6277 | NL80211_MESH_POWER_MAX, | |
6278 | mask, NL80211_MESHCONF_POWER_MODE, | |
ff9a71af | 6279 | nl80211_check_power_mode); |
3b1c5a53 MP |
6280 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, |
6281 | 0, 65535, mask, | |
f151d9db | 6282 | NL80211_MESHCONF_AWAKE_WINDOW, nl80211_check_u16); |
31f909a2 | 6283 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 0, 0xffffffff, |
8e7c0538 | 6284 | mask, NL80211_MESHCONF_PLINK_TIMEOUT, |
f151d9db | 6285 | nl80211_check_u32); |
bd90fdcc JB |
6286 | if (mask_out) |
6287 | *mask_out = mask; | |
c80d545d | 6288 | |
bd90fdcc JB |
6289 | return 0; |
6290 | ||
6291 | #undef FILL_IN_MESH_PARAM_IF_SET | |
6292 | } | |
6293 | ||
c80d545d JC |
6294 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
6295 | struct mesh_setup *setup) | |
6296 | { | |
bb2798d4 | 6297 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
c80d545d JC |
6298 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
6299 | ||
6300 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
6301 | return -EINVAL; | |
6302 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
6303 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
fe52145f | 6304 | nl80211_mesh_setup_params_policy, info->extack)) |
c80d545d JC |
6305 | return -EINVAL; |
6306 | ||
d299a1f2 JC |
6307 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
6308 | setup->sync_method = | |
6309 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
6310 | IEEE80211_SYNC_METHOD_VENDOR : | |
6311 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
6312 | ||
c80d545d JC |
6313 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
6314 | setup->path_sel_proto = | |
6315 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
6316 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
6317 | IEEE80211_PATH_PROTOCOL_HWMP; | |
6318 | ||
6319 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
6320 | setup->path_metric = | |
6321 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
6322 | IEEE80211_PATH_METRIC_VENDOR : | |
6323 | IEEE80211_PATH_METRIC_AIRTIME; | |
6324 | ||
581a8b0f | 6325 | if (tb[NL80211_MESH_SETUP_IE]) { |
c80d545d | 6326 | struct nlattr *ieattr = |
581a8b0f | 6327 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
6328 | if (!is_valid_ie_attr(ieattr)) |
6329 | return -EINVAL; | |
581a8b0f JC |
6330 | setup->ie = nla_data(ieattr); |
6331 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 6332 | } |
bb2798d4 TP |
6333 | if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] && |
6334 | !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM)) | |
6335 | return -EINVAL; | |
6336 | setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]); | |
b130e5ce JC |
6337 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
6338 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
bb2798d4 TP |
6339 | if (setup->is_secure) |
6340 | setup->user_mpm = true; | |
c80d545d | 6341 | |
6e16d90b CT |
6342 | if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) { |
6343 | if (!setup->user_mpm) | |
6344 | return -EINVAL; | |
6345 | setup->auth_id = | |
6346 | nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]); | |
6347 | } | |
6348 | ||
c80d545d JC |
6349 | return 0; |
6350 | } | |
6351 | ||
24bdd9f4 | 6352 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 6353 | struct genl_info *info) |
bd90fdcc JB |
6354 | { |
6355 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6356 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 6357 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
6358 | struct mesh_config cfg; |
6359 | u32 mask; | |
6360 | int err; | |
6361 | ||
29cbe68c JB |
6362 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
6363 | return -EOPNOTSUPP; | |
6364 | ||
24bdd9f4 | 6365 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
6366 | return -EOPNOTSUPP; |
6367 | ||
24bdd9f4 | 6368 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
6369 | if (err) |
6370 | return err; | |
6371 | ||
29cbe68c JB |
6372 | wdev_lock(wdev); |
6373 | if (!wdev->mesh_id_len) | |
6374 | err = -ENOLINK; | |
6375 | ||
6376 | if (!err) | |
e35e4d28 | 6377 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
6378 | |
6379 | wdev_unlock(wdev); | |
6380 | ||
6381 | return err; | |
93da9cc1 | 6382 | } |
6383 | ||
ad30ca2c AN |
6384 | static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom, |
6385 | struct sk_buff *msg) | |
f130347c | 6386 | { |
f130347c LR |
6387 | struct nlattr *nl_reg_rules; |
6388 | unsigned int i; | |
f130347c | 6389 | |
458f4f9e JB |
6390 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || |
6391 | (regdom->dfs_region && | |
6392 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
ad30ca2c | 6393 | goto nla_put_failure; |
458f4f9e | 6394 | |
f130347c LR |
6395 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
6396 | if (!nl_reg_rules) | |
ad30ca2c | 6397 | goto nla_put_failure; |
f130347c | 6398 | |
458f4f9e | 6399 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
6400 | struct nlattr *nl_reg_rule; |
6401 | const struct ieee80211_reg_rule *reg_rule; | |
6402 | const struct ieee80211_freq_range *freq_range; | |
6403 | const struct ieee80211_power_rule *power_rule; | |
97524820 | 6404 | unsigned int max_bandwidth_khz; |
f130347c | 6405 | |
458f4f9e | 6406 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
6407 | freq_range = ®_rule->freq_range; |
6408 | power_rule = ®_rule->power_rule; | |
6409 | ||
6410 | nl_reg_rule = nla_nest_start(msg, i); | |
6411 | if (!nl_reg_rule) | |
ad30ca2c | 6412 | goto nla_put_failure; |
f130347c | 6413 | |
97524820 JD |
6414 | max_bandwidth_khz = freq_range->max_bandwidth_khz; |
6415 | if (!max_bandwidth_khz) | |
6416 | max_bandwidth_khz = reg_get_max_bandwidth(regdom, | |
6417 | reg_rule); | |
6418 | ||
9360ffd1 DM |
6419 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
6420 | reg_rule->flags) || | |
6421 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
6422 | freq_range->start_freq_khz) || | |
6423 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
6424 | freq_range->end_freq_khz) || | |
6425 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
97524820 | 6426 | max_bandwidth_khz) || |
9360ffd1 DM |
6427 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, |
6428 | power_rule->max_antenna_gain) || | |
6429 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
089027e5 JD |
6430 | power_rule->max_eirp) || |
6431 | nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME, | |
6432 | reg_rule->dfs_cac_ms)) | |
ad30ca2c | 6433 | goto nla_put_failure; |
f130347c LR |
6434 | |
6435 | nla_nest_end(msg, nl_reg_rule); | |
6436 | } | |
6437 | ||
6438 | nla_nest_end(msg, nl_reg_rules); | |
ad30ca2c AN |
6439 | return 0; |
6440 | ||
6441 | nla_put_failure: | |
6442 | return -EMSGSIZE; | |
6443 | } | |
6444 | ||
6445 | static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info) | |
6446 | { | |
6447 | const struct ieee80211_regdomain *regdom = NULL; | |
6448 | struct cfg80211_registered_device *rdev; | |
6449 | struct wiphy *wiphy = NULL; | |
6450 | struct sk_buff *msg; | |
6451 | void *hdr; | |
6452 | ||
6453 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
6454 | if (!msg) | |
6455 | return -ENOBUFS; | |
6456 | ||
6457 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
6458 | NL80211_CMD_GET_REG); | |
6459 | if (!hdr) | |
6460 | goto put_failure; | |
6461 | ||
6462 | if (info->attrs[NL80211_ATTR_WIPHY]) { | |
1bdd716c AN |
6463 | bool self_managed; |
6464 | ||
ad30ca2c AN |
6465 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
6466 | if (IS_ERR(rdev)) { | |
6467 | nlmsg_free(msg); | |
6468 | return PTR_ERR(rdev); | |
6469 | } | |
6470 | ||
6471 | wiphy = &rdev->wiphy; | |
1bdd716c AN |
6472 | self_managed = wiphy->regulatory_flags & |
6473 | REGULATORY_WIPHY_SELF_MANAGED; | |
ad30ca2c AN |
6474 | regdom = get_wiphy_regdom(wiphy); |
6475 | ||
1bdd716c AN |
6476 | /* a self-managed-reg device must have a private regdom */ |
6477 | if (WARN_ON(!regdom && self_managed)) { | |
6478 | nlmsg_free(msg); | |
6479 | return -EINVAL; | |
6480 | } | |
6481 | ||
ad30ca2c AN |
6482 | if (regdom && |
6483 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
6484 | goto nla_put_failure; | |
6485 | } | |
6486 | ||
6487 | if (!wiphy && reg_last_request_cell_base() && | |
6488 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
6489 | NL80211_USER_REG_HINT_CELL_BASE)) | |
6490 | goto nla_put_failure; | |
6491 | ||
6492 | rcu_read_lock(); | |
6493 | ||
6494 | if (!regdom) | |
6495 | regdom = rcu_dereference(cfg80211_regdomain); | |
6496 | ||
6497 | if (nl80211_put_regdom(regdom, msg)) | |
6498 | goto nla_put_failure_rcu; | |
6499 | ||
6500 | rcu_read_unlock(); | |
f130347c LR |
6501 | |
6502 | genlmsg_end(msg, hdr); | |
5fe231e8 | 6503 | return genlmsg_reply(msg, info); |
f130347c | 6504 | |
458f4f9e JB |
6505 | nla_put_failure_rcu: |
6506 | rcu_read_unlock(); | |
f130347c | 6507 | nla_put_failure: |
efe1cf0c | 6508 | put_failure: |
d080e275 | 6509 | nlmsg_free(msg); |
5fe231e8 | 6510 | return -EMSGSIZE; |
f130347c LR |
6511 | } |
6512 | ||
ad30ca2c AN |
6513 | static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb, |
6514 | u32 seq, int flags, struct wiphy *wiphy, | |
6515 | const struct ieee80211_regdomain *regdom) | |
6516 | { | |
6517 | void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, | |
6518 | NL80211_CMD_GET_REG); | |
6519 | ||
6520 | if (!hdr) | |
6521 | return -1; | |
6522 | ||
0a833c29 | 6523 | genl_dump_check_consistent(cb, hdr); |
ad30ca2c AN |
6524 | |
6525 | if (nl80211_put_regdom(regdom, msg)) | |
6526 | goto nla_put_failure; | |
6527 | ||
6528 | if (!wiphy && reg_last_request_cell_base() && | |
6529 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
6530 | NL80211_USER_REG_HINT_CELL_BASE)) | |
6531 | goto nla_put_failure; | |
6532 | ||
6533 | if (wiphy && | |
6534 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
6535 | goto nla_put_failure; | |
6536 | ||
1bdd716c AN |
6537 | if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && |
6538 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
6539 | goto nla_put_failure; | |
6540 | ||
053c095a JB |
6541 | genlmsg_end(msg, hdr); |
6542 | return 0; | |
ad30ca2c AN |
6543 | |
6544 | nla_put_failure: | |
6545 | genlmsg_cancel(msg, hdr); | |
6546 | return -EMSGSIZE; | |
6547 | } | |
6548 | ||
6549 | static int nl80211_get_reg_dump(struct sk_buff *skb, | |
6550 | struct netlink_callback *cb) | |
6551 | { | |
6552 | const struct ieee80211_regdomain *regdom = NULL; | |
6553 | struct cfg80211_registered_device *rdev; | |
6554 | int err, reg_idx, start = cb->args[2]; | |
6555 | ||
6556 | rtnl_lock(); | |
6557 | ||
6558 | if (cfg80211_regdomain && start == 0) { | |
6559 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
6560 | NLM_F_MULTI, NULL, | |
6561 | rtnl_dereference(cfg80211_regdomain)); | |
6562 | if (err < 0) | |
6563 | goto out_err; | |
6564 | } | |
6565 | ||
6566 | /* the global regdom is idx 0 */ | |
6567 | reg_idx = 1; | |
6568 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { | |
6569 | regdom = get_wiphy_regdom(&rdev->wiphy); | |
6570 | if (!regdom) | |
6571 | continue; | |
6572 | ||
6573 | if (++reg_idx <= start) | |
6574 | continue; | |
6575 | ||
6576 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
6577 | NLM_F_MULTI, &rdev->wiphy, regdom); | |
6578 | if (err < 0) { | |
6579 | reg_idx--; | |
6580 | break; | |
6581 | } | |
6582 | } | |
6583 | ||
6584 | cb->args[2] = reg_idx; | |
6585 | err = skb->len; | |
6586 | out_err: | |
6587 | rtnl_unlock(); | |
6588 | return err; | |
6589 | } | |
6590 | ||
b6863036 JB |
6591 | #ifdef CONFIG_CFG80211_CRDA_SUPPORT |
6592 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { | |
6593 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, | |
6594 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
6595 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
6596 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
6597 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
6598 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
6599 | [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 }, | |
6600 | }; | |
6601 | ||
6602 | static int parse_reg_rule(struct nlattr *tb[], | |
6603 | struct ieee80211_reg_rule *reg_rule) | |
6604 | { | |
6605 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
6606 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
6607 | ||
6608 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
6609 | return -EINVAL; | |
6610 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
6611 | return -EINVAL; | |
6612 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
6613 | return -EINVAL; | |
6614 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
6615 | return -EINVAL; | |
6616 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
6617 | return -EINVAL; | |
6618 | ||
6619 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
6620 | ||
6621 | freq_range->start_freq_khz = | |
6622 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
6623 | freq_range->end_freq_khz = | |
6624 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
6625 | freq_range->max_bandwidth_khz = | |
6626 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
6627 | ||
6628 | power_rule->max_eirp = | |
6629 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
6630 | ||
6631 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
6632 | power_rule->max_antenna_gain = | |
6633 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
6634 | ||
6635 | if (tb[NL80211_ATTR_DFS_CAC_TIME]) | |
6636 | reg_rule->dfs_cac_ms = | |
6637 | nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]); | |
6638 | ||
6639 | return 0; | |
6640 | } | |
6641 | ||
b2e1b302 LR |
6642 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
6643 | { | |
6644 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
6645 | struct nlattr *nl_reg_rule; | |
ea372c54 JB |
6646 | char *alpha2; |
6647 | int rem_reg_rules, r; | |
b2e1b302 | 6648 | u32 num_rules = 0, rule_idx = 0, size_of_regd; |
4c7d3982 | 6649 | enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET; |
ea372c54 | 6650 | struct ieee80211_regdomain *rd; |
b2e1b302 LR |
6651 | |
6652 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
6653 | return -EINVAL; | |
6654 | ||
6655 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
6656 | return -EINVAL; | |
6657 | ||
6658 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
6659 | ||
8b60b078 LR |
6660 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
6661 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
6662 | ||
b2e1b302 | 6663 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 6664 | rem_reg_rules) { |
b2e1b302 LR |
6665 | num_rules++; |
6666 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 6667 | return -EINVAL; |
b2e1b302 LR |
6668 | } |
6669 | ||
e438768f LR |
6670 | if (!reg_is_valid_request(alpha2)) |
6671 | return -EINVAL; | |
6672 | ||
b2e1b302 | 6673 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
1a919318 | 6674 | num_rules * sizeof(struct ieee80211_reg_rule); |
b2e1b302 LR |
6675 | |
6676 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
6913b49a JB |
6677 | if (!rd) |
6678 | return -ENOMEM; | |
b2e1b302 LR |
6679 | |
6680 | rd->n_reg_rules = num_rules; | |
6681 | rd->alpha2[0] = alpha2[0]; | |
6682 | rd->alpha2[1] = alpha2[1]; | |
6683 | ||
8b60b078 LR |
6684 | /* |
6685 | * Disable DFS master mode if the DFS region was | |
6686 | * not supported or known on this kernel. | |
6687 | */ | |
6688 | if (reg_supported_dfs_region(dfs_region)) | |
6689 | rd->dfs_region = dfs_region; | |
6690 | ||
b2e1b302 | 6691 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 6692 | rem_reg_rules) { |
bfe2c7b1 | 6693 | r = nla_parse_nested(tb, NL80211_REG_RULE_ATTR_MAX, |
fe52145f JB |
6694 | nl_reg_rule, reg_rule_policy, |
6695 | info->extack); | |
ae811e21 JB |
6696 | if (r) |
6697 | goto bad_reg; | |
b2e1b302 LR |
6698 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
6699 | if (r) | |
6700 | goto bad_reg; | |
6701 | ||
6702 | rule_idx++; | |
6703 | ||
d0e18f83 LR |
6704 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
6705 | r = -EINVAL; | |
b2e1b302 | 6706 | goto bad_reg; |
d0e18f83 | 6707 | } |
b2e1b302 LR |
6708 | } |
6709 | ||
06627990 JB |
6710 | /* set_regdom takes ownership of rd */ |
6711 | return set_regdom(rd, REGD_SOURCE_CRDA); | |
d2372b31 | 6712 | bad_reg: |
b2e1b302 | 6713 | kfree(rd); |
d0e18f83 | 6714 | return r; |
b2e1b302 | 6715 | } |
b6863036 | 6716 | #endif /* CONFIG_CFG80211_CRDA_SUPPORT */ |
b2e1b302 | 6717 | |
83f5e2cf JB |
6718 | static int validate_scan_freqs(struct nlattr *freqs) |
6719 | { | |
6720 | struct nlattr *attr1, *attr2; | |
6721 | int n_channels = 0, tmp1, tmp2; | |
6722 | ||
d7f13f74 SD |
6723 | nla_for_each_nested(attr1, freqs, tmp1) |
6724 | if (nla_len(attr1) != sizeof(u32)) | |
6725 | return 0; | |
6726 | ||
83f5e2cf JB |
6727 | nla_for_each_nested(attr1, freqs, tmp1) { |
6728 | n_channels++; | |
6729 | /* | |
6730 | * Some hardware has a limited channel list for | |
6731 | * scanning, and it is pretty much nonsensical | |
6732 | * to scan for a channel twice, so disallow that | |
6733 | * and don't require drivers to check that the | |
6734 | * channel list they get isn't longer than what | |
6735 | * they can scan, as long as they can scan all | |
6736 | * the channels they registered at once. | |
6737 | */ | |
6738 | nla_for_each_nested(attr2, freqs, tmp2) | |
6739 | if (attr1 != attr2 && | |
6740 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
6741 | return 0; | |
6742 | } | |
6743 | ||
6744 | return n_channels; | |
6745 | } | |
6746 | ||
57fbcce3 | 6747 | static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b) |
38de03d2 | 6748 | { |
57fbcce3 | 6749 | return b < NUM_NL80211_BANDS && wiphy->bands[b]; |
38de03d2 AS |
6750 | } |
6751 | ||
6752 | static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy, | |
6753 | struct cfg80211_bss_selection *bss_select) | |
6754 | { | |
6755 | struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1]; | |
6756 | struct nlattr *nest; | |
6757 | int err; | |
6758 | bool found = false; | |
6759 | int i; | |
6760 | ||
6761 | /* only process one nested attribute */ | |
6762 | nest = nla_data(nla); | |
6763 | if (!nla_ok(nest, nla_len(nest))) | |
6764 | return -EINVAL; | |
6765 | ||
bfe2c7b1 | 6766 | err = nla_parse_nested(attr, NL80211_BSS_SELECT_ATTR_MAX, nest, |
fceb6435 | 6767 | nl80211_bss_select_policy, NULL); |
38de03d2 AS |
6768 | if (err) |
6769 | return err; | |
6770 | ||
6771 | /* only one attribute may be given */ | |
6772 | for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) { | |
6773 | if (attr[i]) { | |
6774 | if (found) | |
6775 | return -EINVAL; | |
6776 | found = true; | |
6777 | } | |
6778 | } | |
6779 | ||
6780 | bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID; | |
6781 | ||
6782 | if (attr[NL80211_BSS_SELECT_ATTR_RSSI]) | |
6783 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI; | |
6784 | ||
6785 | if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) { | |
6786 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF; | |
6787 | bss_select->param.band_pref = | |
6788 | nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]); | |
6789 | if (!is_band_valid(wiphy, bss_select->param.band_pref)) | |
6790 | return -EINVAL; | |
6791 | } | |
6792 | ||
6793 | if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) { | |
6794 | struct nl80211_bss_select_rssi_adjust *adj_param; | |
6795 | ||
6796 | adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]); | |
6797 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST; | |
6798 | bss_select->param.adjust.band = adj_param->band; | |
6799 | bss_select->param.adjust.delta = adj_param->delta; | |
6800 | if (!is_band_valid(wiphy, bss_select->param.adjust.band)) | |
6801 | return -EINVAL; | |
6802 | } | |
6803 | ||
6804 | /* user-space did not provide behaviour attribute */ | |
6805 | if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID) | |
6806 | return -EINVAL; | |
6807 | ||
6808 | if (!(wiphy->bss_select_support & BIT(bss_select->behaviour))) | |
6809 | return -EINVAL; | |
6810 | ||
6811 | return 0; | |
6812 | } | |
6813 | ||
ad2b26ab JB |
6814 | static int nl80211_parse_random_mac(struct nlattr **attrs, |
6815 | u8 *mac_addr, u8 *mac_addr_mask) | |
6816 | { | |
6817 | int i; | |
6818 | ||
6819 | if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) { | |
d2beae10 JP |
6820 | eth_zero_addr(mac_addr); |
6821 | eth_zero_addr(mac_addr_mask); | |
ad2b26ab JB |
6822 | mac_addr[0] = 0x2; |
6823 | mac_addr_mask[0] = 0x3; | |
6824 | ||
6825 | return 0; | |
6826 | } | |
6827 | ||
6828 | /* need both or none */ | |
6829 | if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK]) | |
6830 | return -EINVAL; | |
6831 | ||
6832 | memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN); | |
6833 | memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN); | |
6834 | ||
6835 | /* don't allow or configure an mcast address */ | |
6836 | if (!is_multicast_ether_addr(mac_addr_mask) || | |
6837 | is_multicast_ether_addr(mac_addr)) | |
6838 | return -EINVAL; | |
6839 | ||
6840 | /* | |
6841 | * allow users to pass a MAC address that has bits set outside | |
6842 | * of the mask, but don't bother drivers with having to deal | |
6843 | * with such bits | |
6844 | */ | |
6845 | for (i = 0; i < ETH_ALEN; i++) | |
6846 | mac_addr[i] &= mac_addr_mask[i]; | |
6847 | ||
6848 | return 0; | |
6849 | } | |
6850 | ||
34373d12 VT |
6851 | static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev) |
6852 | { | |
6853 | ASSERT_WDEV_LOCK(wdev); | |
6854 | ||
6855 | if (!cfg80211_beaconing_iface_active(wdev)) | |
6856 | return true; | |
6857 | ||
6858 | if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR)) | |
6859 | return true; | |
6860 | ||
6861 | return regulatory_pre_cac_allowed(wdev->wiphy); | |
6862 | } | |
6863 | ||
2d23d073 RZ |
6864 | static int |
6865 | nl80211_check_scan_flags(struct wiphy *wiphy, struct wireless_dev *wdev, | |
6866 | void *request, struct nlattr **attrs, | |
6867 | bool is_sched_scan) | |
6868 | { | |
6869 | u8 *mac_addr, *mac_addr_mask; | |
6870 | u32 *flags; | |
6871 | enum nl80211_feature_flags randomness_flag; | |
6872 | ||
6873 | if (!attrs[NL80211_ATTR_SCAN_FLAGS]) | |
6874 | return 0; | |
6875 | ||
6876 | if (is_sched_scan) { | |
6877 | struct cfg80211_sched_scan_request *req = request; | |
6878 | ||
6879 | randomness_flag = wdev ? | |
6880 | NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR : | |
6881 | NL80211_FEATURE_ND_RANDOM_MAC_ADDR; | |
6882 | flags = &req->flags; | |
6883 | mac_addr = req->mac_addr; | |
6884 | mac_addr_mask = req->mac_addr_mask; | |
6885 | } else { | |
6886 | struct cfg80211_scan_request *req = request; | |
6887 | ||
6888 | randomness_flag = NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; | |
6889 | flags = &req->flags; | |
6890 | mac_addr = req->mac_addr; | |
6891 | mac_addr_mask = req->mac_addr_mask; | |
6892 | } | |
6893 | ||
6894 | *flags = nla_get_u32(attrs[NL80211_ATTR_SCAN_FLAGS]); | |
6895 | ||
5037a009 SD |
6896 | if (((*flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
6897 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) || | |
6898 | ((*flags & NL80211_SCAN_FLAG_LOW_SPAN) && | |
6899 | !wiphy_ext_feature_isset(wiphy, | |
6900 | NL80211_EXT_FEATURE_LOW_SPAN_SCAN)) || | |
6901 | ((*flags & NL80211_SCAN_FLAG_LOW_POWER) && | |
6902 | !wiphy_ext_feature_isset(wiphy, | |
6903 | NL80211_EXT_FEATURE_LOW_POWER_SCAN)) || | |
6904 | ((*flags & NL80211_SCAN_FLAG_HIGH_ACCURACY) && | |
6905 | !wiphy_ext_feature_isset(wiphy, | |
6906 | NL80211_EXT_FEATURE_HIGH_ACCURACY_SCAN))) | |
2d23d073 RZ |
6907 | return -EOPNOTSUPP; |
6908 | ||
6909 | if (*flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { | |
6910 | int err; | |
6911 | ||
6912 | if (!(wiphy->features & randomness_flag) || | |
6913 | (wdev && wdev->current_bss)) | |
6914 | return -EOPNOTSUPP; | |
6915 | ||
6916 | err = nl80211_parse_random_mac(attrs, mac_addr, mac_addr_mask); | |
6917 | if (err) | |
6918 | return err; | |
6919 | } | |
6920 | ||
6921 | if ((*flags & NL80211_SCAN_FLAG_FILS_MAX_CHANNEL_TIME) && | |
6922 | !wiphy_ext_feature_isset(wiphy, | |
6923 | NL80211_EXT_FEATURE_FILS_MAX_CHANNEL_TIME)) | |
6924 | return -EOPNOTSUPP; | |
6925 | ||
6926 | if ((*flags & NL80211_SCAN_FLAG_ACCEPT_BCAST_PROBE_RESP) && | |
6927 | !wiphy_ext_feature_isset(wiphy, | |
6928 | NL80211_EXT_FEATURE_ACCEPT_BCAST_PROBE_RESP)) | |
6929 | return -EOPNOTSUPP; | |
6930 | ||
6931 | if ((*flags & NL80211_SCAN_FLAG_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION) && | |
6932 | !wiphy_ext_feature_isset(wiphy, | |
6933 | NL80211_EXT_FEATURE_OCE_PROBE_REQ_DEFERRAL_SUPPRESSION)) | |
6934 | return -EOPNOTSUPP; | |
6935 | ||
6936 | if ((*flags & NL80211_SCAN_FLAG_OCE_PROBE_REQ_HIGH_TX_RATE) && | |
6937 | !wiphy_ext_feature_isset(wiphy, | |
6938 | NL80211_EXT_FEATURE_OCE_PROBE_REQ_HIGH_TX_RATE)) | |
6939 | return -EOPNOTSUPP; | |
6940 | ||
6941 | return 0; | |
6942 | } | |
6943 | ||
2a519311 JB |
6944 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
6945 | { | |
4c476991 | 6946 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 6947 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 6948 | struct cfg80211_scan_request *request; |
2a519311 JB |
6949 | struct nlattr *attr; |
6950 | struct wiphy *wiphy; | |
83f5e2cf | 6951 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 6952 | size_t ie_len; |
2a519311 | 6953 | |
f4a11bb0 JB |
6954 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6955 | return -EINVAL; | |
6956 | ||
79c97e97 | 6957 | wiphy = &rdev->wiphy; |
2a519311 | 6958 | |
cb3b7d87 AB |
6959 | if (wdev->iftype == NL80211_IFTYPE_NAN) |
6960 | return -EOPNOTSUPP; | |
6961 | ||
4c476991 JB |
6962 | if (!rdev->ops->scan) |
6963 | return -EOPNOTSUPP; | |
2a519311 | 6964 | |
f9d15d16 | 6965 | if (rdev->scan_req || rdev->scan_msg) { |
f9f47529 JB |
6966 | err = -EBUSY; |
6967 | goto unlock; | |
6968 | } | |
2a519311 JB |
6969 | |
6970 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
6971 | n_channels = validate_scan_freqs( |
6972 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
f9f47529 JB |
6973 | if (!n_channels) { |
6974 | err = -EINVAL; | |
6975 | goto unlock; | |
6976 | } | |
2a519311 | 6977 | } else { |
bdfbec2d | 6978 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
2a519311 JB |
6979 | } |
6980 | ||
6981 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
6982 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
6983 | n_ssids++; | |
6984 | ||
f9f47529 JB |
6985 | if (n_ssids > wiphy->max_scan_ssids) { |
6986 | err = -EINVAL; | |
6987 | goto unlock; | |
6988 | } | |
2a519311 | 6989 | |
70692ad2 JM |
6990 | if (info->attrs[NL80211_ATTR_IE]) |
6991 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6992 | else | |
6993 | ie_len = 0; | |
6994 | ||
f9f47529 JB |
6995 | if (ie_len > wiphy->max_scan_ie_len) { |
6996 | err = -EINVAL; | |
6997 | goto unlock; | |
6998 | } | |
18a83659 | 6999 | |
2a519311 | 7000 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
7001 | + sizeof(*request->ssids) * n_ssids |
7002 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 7003 | + ie_len, GFP_KERNEL); |
f9f47529 JB |
7004 | if (!request) { |
7005 | err = -ENOMEM; | |
7006 | goto unlock; | |
7007 | } | |
2a519311 | 7008 | |
2a519311 | 7009 | if (n_ssids) |
5ba63533 | 7010 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 7011 | request->n_ssids = n_ssids; |
70692ad2 | 7012 | if (ie_len) { |
13874e4b | 7013 | if (n_ssids) |
70692ad2 JM |
7014 | request->ie = (void *)(request->ssids + n_ssids); |
7015 | else | |
7016 | request->ie = (void *)(request->channels + n_channels); | |
7017 | } | |
2a519311 | 7018 | |
584991dc | 7019 | i = 0; |
2a519311 JB |
7020 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
7021 | /* user specified, bail out if channel not found */ | |
2a519311 | 7022 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
7023 | struct ieee80211_channel *chan; |
7024 | ||
7025 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
7026 | ||
7027 | if (!chan) { | |
2a519311 JB |
7028 | err = -EINVAL; |
7029 | goto out_free; | |
7030 | } | |
584991dc JB |
7031 | |
7032 | /* ignore disabled channels */ | |
7033 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
7034 | continue; | |
7035 | ||
7036 | request->channels[i] = chan; | |
2a519311 JB |
7037 | i++; |
7038 | } | |
7039 | } else { | |
57fbcce3 | 7040 | enum nl80211_band band; |
34850ab2 | 7041 | |
2a519311 | 7042 | /* all channels */ |
57fbcce3 | 7043 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
2a519311 | 7044 | int j; |
7a087e74 | 7045 | |
2a519311 JB |
7046 | if (!wiphy->bands[band]) |
7047 | continue; | |
7048 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
7049 | struct ieee80211_channel *chan; |
7050 | ||
7051 | chan = &wiphy->bands[band]->channels[j]; | |
7052 | ||
7053 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
7054 | continue; | |
7055 | ||
7056 | request->channels[i] = chan; | |
2a519311 JB |
7057 | i++; |
7058 | } | |
7059 | } | |
7060 | } | |
7061 | ||
584991dc JB |
7062 | if (!i) { |
7063 | err = -EINVAL; | |
7064 | goto out_free; | |
7065 | } | |
7066 | ||
7067 | request->n_channels = i; | |
7068 | ||
34373d12 VT |
7069 | wdev_lock(wdev); |
7070 | if (!cfg80211_off_channel_oper_allowed(wdev)) { | |
7071 | struct ieee80211_channel *chan; | |
7072 | ||
7073 | if (request->n_channels != 1) { | |
7074 | wdev_unlock(wdev); | |
7075 | err = -EBUSY; | |
7076 | goto out_free; | |
7077 | } | |
7078 | ||
7079 | chan = request->channels[0]; | |
7080 | if (chan->center_freq != wdev->chandef.chan->center_freq) { | |
7081 | wdev_unlock(wdev); | |
7082 | err = -EBUSY; | |
7083 | goto out_free; | |
7084 | } | |
7085 | } | |
7086 | wdev_unlock(wdev); | |
7087 | ||
2a519311 | 7088 | i = 0; |
13874e4b | 7089 | if (n_ssids) { |
2a519311 | 7090 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { |
57a27e1d | 7091 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
7092 | err = -EINVAL; |
7093 | goto out_free; | |
7094 | } | |
57a27e1d | 7095 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 7096 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
7097 | i++; |
7098 | } | |
7099 | } | |
7100 | ||
70692ad2 JM |
7101 | if (info->attrs[NL80211_ATTR_IE]) { |
7102 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
7103 | memcpy((void *)request->ie, |
7104 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
7105 | request->ie_len); |
7106 | } | |
7107 | ||
57fbcce3 | 7108 | for (i = 0; i < NUM_NL80211_BANDS; i++) |
a401d2bb JB |
7109 | if (wiphy->bands[i]) |
7110 | request->rates[i] = | |
7111 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
7112 | |
7113 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
7114 | nla_for_each_nested(attr, | |
7115 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
7116 | tmp) { | |
57fbcce3 | 7117 | enum nl80211_band band = nla_type(attr); |
34850ab2 | 7118 | |
57fbcce3 | 7119 | if (band < 0 || band >= NUM_NL80211_BANDS) { |
34850ab2 JB |
7120 | err = -EINVAL; |
7121 | goto out_free; | |
7122 | } | |
1b09cd82 FF |
7123 | |
7124 | if (!wiphy->bands[band]) | |
7125 | continue; | |
7126 | ||
34850ab2 JB |
7127 | err = ieee80211_get_ratemask(wiphy->bands[band], |
7128 | nla_data(attr), | |
7129 | nla_len(attr), | |
7130 | &request->rates[band]); | |
7131 | if (err) | |
7132 | goto out_free; | |
7133 | } | |
7134 | } | |
7135 | ||
1d76250b AS |
7136 | if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) { |
7137 | if (!wiphy_ext_feature_isset(wiphy, | |
7138 | NL80211_EXT_FEATURE_SET_SCAN_DWELL)) { | |
7139 | err = -EOPNOTSUPP; | |
7140 | goto out_free; | |
7141 | } | |
7142 | ||
7143 | request->duration = | |
7144 | nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]); | |
7145 | request->duration_mandatory = | |
7146 | nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]); | |
7147 | } | |
7148 | ||
2d23d073 RZ |
7149 | err = nl80211_check_scan_flags(wiphy, wdev, request, info->attrs, |
7150 | false); | |
7151 | if (err) | |
7152 | goto out_free; | |
ed473771 | 7153 | |
e9f935e3 RM |
7154 | request->no_cck = |
7155 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
7156 | ||
2fa436b3 VK |
7157 | /* Initial implementation used NL80211_ATTR_MAC to set the specific |
7158 | * BSSID to scan for. This was problematic because that same attribute | |
7159 | * was already used for another purpose (local random MAC address). The | |
7160 | * NL80211_ATTR_BSSID attribute was added to fix this. For backwards | |
7161 | * compatibility with older userspace components, also use the | |
7162 | * NL80211_ATTR_MAC value here if it can be determined to be used for | |
7163 | * the specific BSSID use case instead of the random MAC address | |
7164 | * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use). | |
7165 | */ | |
7166 | if (info->attrs[NL80211_ATTR_BSSID]) | |
7167 | memcpy(request->bssid, | |
7168 | nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN); | |
7169 | else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) && | |
7170 | info->attrs[NL80211_ATTR_MAC]) | |
818965d3 JM |
7171 | memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]), |
7172 | ETH_ALEN); | |
7173 | else | |
7174 | eth_broadcast_addr(request->bssid); | |
7175 | ||
fd014284 | 7176 | request->wdev = wdev; |
79c97e97 | 7177 | request->wiphy = &rdev->wiphy; |
15d6030b | 7178 | request->scan_start = jiffies; |
2a519311 | 7179 | |
79c97e97 | 7180 | rdev->scan_req = request; |
e35e4d28 | 7181 | err = rdev_scan(rdev, request); |
2a519311 | 7182 | |
463d0183 | 7183 | if (!err) { |
fd014284 JB |
7184 | nl80211_send_scan_start(rdev, wdev); |
7185 | if (wdev->netdev) | |
7186 | dev_hold(wdev->netdev); | |
4c476991 | 7187 | } else { |
2a519311 | 7188 | out_free: |
79c97e97 | 7189 | rdev->scan_req = NULL; |
2a519311 JB |
7190 | kfree(request); |
7191 | } | |
3b85875a | 7192 | |
f9f47529 | 7193 | unlock: |
2a519311 JB |
7194 | return err; |
7195 | } | |
7196 | ||
91d3ab46 VK |
7197 | static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info) |
7198 | { | |
7199 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7200 | struct wireless_dev *wdev = info->user_ptr[1]; | |
7201 | ||
7202 | if (!rdev->ops->abort_scan) | |
7203 | return -EOPNOTSUPP; | |
7204 | ||
7205 | if (rdev->scan_msg) | |
7206 | return 0; | |
7207 | ||
7208 | if (!rdev->scan_req) | |
7209 | return -ENOENT; | |
7210 | ||
7211 | rdev_abort_scan(rdev, wdev); | |
7212 | return 0; | |
7213 | } | |
7214 | ||
3b06d277 AS |
7215 | static int |
7216 | nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans, | |
7217 | struct cfg80211_sched_scan_request *request, | |
7218 | struct nlattr **attrs) | |
7219 | { | |
7220 | int tmp, err, i = 0; | |
7221 | struct nlattr *attr; | |
7222 | ||
7223 | if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) { | |
7224 | u32 interval; | |
7225 | ||
7226 | /* | |
7227 | * If scan plans are not specified, | |
5a88de53 | 7228 | * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this |
3b06d277 AS |
7229 | * case one scan plan will be set with the specified scan |
7230 | * interval and infinite number of iterations. | |
7231 | */ | |
3b06d277 AS |
7232 | interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); |
7233 | if (!interval) | |
7234 | return -EINVAL; | |
7235 | ||
7236 | request->scan_plans[0].interval = | |
7237 | DIV_ROUND_UP(interval, MSEC_PER_SEC); | |
7238 | if (!request->scan_plans[0].interval) | |
7239 | return -EINVAL; | |
7240 | ||
7241 | if (request->scan_plans[0].interval > | |
7242 | wiphy->max_sched_scan_plan_interval) | |
7243 | request->scan_plans[0].interval = | |
7244 | wiphy->max_sched_scan_plan_interval; | |
7245 | ||
7246 | return 0; | |
7247 | } | |
7248 | ||
7249 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) { | |
7250 | struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1]; | |
7251 | ||
7252 | if (WARN_ON(i >= n_plans)) | |
7253 | return -EINVAL; | |
7254 | ||
bfe2c7b1 | 7255 | err = nla_parse_nested(plan, NL80211_SCHED_SCAN_PLAN_MAX, |
fceb6435 | 7256 | attr, nl80211_plan_policy, NULL); |
3b06d277 AS |
7257 | if (err) |
7258 | return err; | |
7259 | ||
7260 | if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]) | |
7261 | return -EINVAL; | |
7262 | ||
7263 | request->scan_plans[i].interval = | |
7264 | nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]); | |
7265 | if (!request->scan_plans[i].interval || | |
7266 | request->scan_plans[i].interval > | |
7267 | wiphy->max_sched_scan_plan_interval) | |
7268 | return -EINVAL; | |
7269 | ||
7270 | if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) { | |
7271 | request->scan_plans[i].iterations = | |
7272 | nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]); | |
7273 | if (!request->scan_plans[i].iterations || | |
7274 | (request->scan_plans[i].iterations > | |
7275 | wiphy->max_sched_scan_plan_iterations)) | |
7276 | return -EINVAL; | |
7277 | } else if (i < n_plans - 1) { | |
7278 | /* | |
7279 | * All scan plans but the last one must specify | |
7280 | * a finite number of iterations | |
7281 | */ | |
7282 | return -EINVAL; | |
7283 | } | |
7284 | ||
7285 | i++; | |
7286 | } | |
7287 | ||
7288 | /* | |
7289 | * The last scan plan must not specify the number of | |
7290 | * iterations, it is supposed to run infinitely | |
7291 | */ | |
7292 | if (request->scan_plans[n_plans - 1].iterations) | |
7293 | return -EINVAL; | |
7294 | ||
7295 | return 0; | |
7296 | } | |
7297 | ||
256da02d | 7298 | static struct cfg80211_sched_scan_request * |
ad2b26ab | 7299 | nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, |
aad1e812 | 7300 | struct nlattr **attrs, int max_match_sets) |
807f8a8c LC |
7301 | { |
7302 | struct cfg80211_sched_scan_request *request; | |
807f8a8c | 7303 | struct nlattr *attr; |
3b06d277 | 7304 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0; |
57fbcce3 | 7305 | enum nl80211_band band; |
807f8a8c | 7306 | size_t ie_len; |
a1f1c21c | 7307 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
ea73cbce | 7308 | s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF; |
807f8a8c | 7309 | |
256da02d LC |
7310 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_IE])) |
7311 | return ERR_PTR(-EINVAL); | |
807f8a8c | 7312 | |
256da02d | 7313 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c | 7314 | n_channels = validate_scan_freqs( |
256da02d | 7315 | attrs[NL80211_ATTR_SCAN_FREQUENCIES]); |
807f8a8c | 7316 | if (!n_channels) |
256da02d | 7317 | return ERR_PTR(-EINVAL); |
807f8a8c | 7318 | } else { |
bdfbec2d | 7319 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
807f8a8c LC |
7320 | } |
7321 | ||
256da02d LC |
7322 | if (attrs[NL80211_ATTR_SCAN_SSIDS]) |
7323 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], | |
807f8a8c LC |
7324 | tmp) |
7325 | n_ssids++; | |
7326 | ||
93b6aa69 | 7327 | if (n_ssids > wiphy->max_sched_scan_ssids) |
256da02d | 7328 | return ERR_PTR(-EINVAL); |
807f8a8c | 7329 | |
ea73cbce JB |
7330 | /* |
7331 | * First, count the number of 'real' matchsets. Due to an issue with | |
7332 | * the old implementation, matchsets containing only the RSSI attribute | |
7333 | * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default' | |
7334 | * RSSI for all matchsets, rather than their own matchset for reporting | |
7335 | * all APs with a strong RSSI. This is needed to be compatible with | |
7336 | * older userspace that treated a matchset with only the RSSI as the | |
7337 | * global RSSI for all other matchsets - if there are other matchsets. | |
7338 | */ | |
256da02d | 7339 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 7340 | nla_for_each_nested(attr, |
256da02d | 7341 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
ea73cbce JB |
7342 | tmp) { |
7343 | struct nlattr *rssi; | |
7344 | ||
bfe2c7b1 JB |
7345 | err = nla_parse_nested(tb, |
7346 | NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
fceb6435 JB |
7347 | attr, nl80211_match_policy, |
7348 | NULL); | |
ea73cbce | 7349 | if (err) |
256da02d | 7350 | return ERR_PTR(err); |
3007e352 AVS |
7351 | |
7352 | /* SSID and BSSID are mutually exclusive */ | |
7353 | if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] && | |
7354 | tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) | |
7355 | return ERR_PTR(-EINVAL); | |
7356 | ||
ea73cbce | 7357 | /* add other standalone attributes here */ |
3007e352 AVS |
7358 | if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] || |
7359 | tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) { | |
ea73cbce JB |
7360 | n_match_sets++; |
7361 | continue; | |
7362 | } | |
7363 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
7364 | if (rssi) | |
7365 | default_match_rssi = nla_get_s32(rssi); | |
7366 | } | |
7367 | } | |
7368 | ||
7369 | /* However, if there's no other matchset, add the RSSI one */ | |
7370 | if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF) | |
7371 | n_match_sets = 1; | |
a1f1c21c | 7372 | |
aad1e812 | 7373 | if (n_match_sets > max_match_sets) |
256da02d | 7374 | return ERR_PTR(-EINVAL); |
a1f1c21c | 7375 | |
256da02d LC |
7376 | if (attrs[NL80211_ATTR_IE]) |
7377 | ie_len = nla_len(attrs[NL80211_ATTR_IE]); | |
807f8a8c LC |
7378 | else |
7379 | ie_len = 0; | |
7380 | ||
5a865bad | 7381 | if (ie_len > wiphy->max_sched_scan_ie_len) |
256da02d | 7382 | return ERR_PTR(-EINVAL); |
c10841ca | 7383 | |
3b06d277 AS |
7384 | if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) { |
7385 | /* | |
7386 | * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since | |
7387 | * each scan plan already specifies its own interval | |
7388 | */ | |
7389 | if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
7390 | return ERR_PTR(-EINVAL); | |
7391 | ||
7392 | nla_for_each_nested(attr, | |
7393 | attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) | |
7394 | n_plans++; | |
7395 | } else { | |
7396 | /* | |
7397 | * The scan interval attribute is kept for backward | |
7398 | * compatibility. If no scan plans are specified and sched scan | |
7399 | * interval is specified, one scan plan will be set with this | |
7400 | * scan interval and infinite number of iterations. | |
7401 | */ | |
7402 | if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
7403 | return ERR_PTR(-EINVAL); | |
7404 | ||
7405 | n_plans = 1; | |
7406 | } | |
7407 | ||
7408 | if (!n_plans || n_plans > wiphy->max_sched_scan_plans) | |
7409 | return ERR_PTR(-EINVAL); | |
7410 | ||
bf95ecdb | 7411 | if (!wiphy_ext_feature_isset( |
7412 | wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) && | |
7413 | (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] || | |
7414 | attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST])) | |
7415 | return ERR_PTR(-EINVAL); | |
7416 | ||
807f8a8c | 7417 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 7418 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 7419 | + sizeof(*request->match_sets) * n_match_sets |
3b06d277 | 7420 | + sizeof(*request->scan_plans) * n_plans |
a2cd43c5 | 7421 | + sizeof(*request->channels) * n_channels |
807f8a8c | 7422 | + ie_len, GFP_KERNEL); |
256da02d LC |
7423 | if (!request) |
7424 | return ERR_PTR(-ENOMEM); | |
807f8a8c LC |
7425 | |
7426 | if (n_ssids) | |
7427 | request->ssids = (void *)&request->channels[n_channels]; | |
7428 | request->n_ssids = n_ssids; | |
7429 | if (ie_len) { | |
13874e4b | 7430 | if (n_ssids) |
807f8a8c LC |
7431 | request->ie = (void *)(request->ssids + n_ssids); |
7432 | else | |
7433 | request->ie = (void *)(request->channels + n_channels); | |
7434 | } | |
7435 | ||
a1f1c21c LC |
7436 | if (n_match_sets) { |
7437 | if (request->ie) | |
7438 | request->match_sets = (void *)(request->ie + ie_len); | |
13874e4b | 7439 | else if (n_ssids) |
a1f1c21c LC |
7440 | request->match_sets = |
7441 | (void *)(request->ssids + n_ssids); | |
7442 | else | |
7443 | request->match_sets = | |
7444 | (void *)(request->channels + n_channels); | |
7445 | } | |
7446 | request->n_match_sets = n_match_sets; | |
7447 | ||
3b06d277 AS |
7448 | if (n_match_sets) |
7449 | request->scan_plans = (void *)(request->match_sets + | |
7450 | n_match_sets); | |
7451 | else if (request->ie) | |
7452 | request->scan_plans = (void *)(request->ie + ie_len); | |
7453 | else if (n_ssids) | |
7454 | request->scan_plans = (void *)(request->ssids + n_ssids); | |
7455 | else | |
7456 | request->scan_plans = (void *)(request->channels + n_channels); | |
7457 | ||
7458 | request->n_scan_plans = n_plans; | |
7459 | ||
807f8a8c | 7460 | i = 0; |
256da02d | 7461 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c LC |
7462 | /* user specified, bail out if channel not found */ |
7463 | nla_for_each_nested(attr, | |
256da02d | 7464 | attrs[NL80211_ATTR_SCAN_FREQUENCIES], |
807f8a8c LC |
7465 | tmp) { |
7466 | struct ieee80211_channel *chan; | |
7467 | ||
7468 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
7469 | ||
7470 | if (!chan) { | |
7471 | err = -EINVAL; | |
7472 | goto out_free; | |
7473 | } | |
7474 | ||
7475 | /* ignore disabled channels */ | |
7476 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
7477 | continue; | |
7478 | ||
7479 | request->channels[i] = chan; | |
7480 | i++; | |
7481 | } | |
7482 | } else { | |
7483 | /* all channels */ | |
57fbcce3 | 7484 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
807f8a8c | 7485 | int j; |
7a087e74 | 7486 | |
807f8a8c LC |
7487 | if (!wiphy->bands[band]) |
7488 | continue; | |
7489 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
7490 | struct ieee80211_channel *chan; | |
7491 | ||
7492 | chan = &wiphy->bands[band]->channels[j]; | |
7493 | ||
7494 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
7495 | continue; | |
7496 | ||
7497 | request->channels[i] = chan; | |
7498 | i++; | |
7499 | } | |
7500 | } | |
7501 | } | |
7502 | ||
7503 | if (!i) { | |
7504 | err = -EINVAL; | |
7505 | goto out_free; | |
7506 | } | |
7507 | ||
7508 | request->n_channels = i; | |
7509 | ||
7510 | i = 0; | |
13874e4b | 7511 | if (n_ssids) { |
256da02d | 7512 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], |
807f8a8c | 7513 | tmp) { |
57a27e1d | 7514 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
7515 | err = -EINVAL; |
7516 | goto out_free; | |
7517 | } | |
57a27e1d | 7518 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
7519 | memcpy(request->ssids[i].ssid, nla_data(attr), |
7520 | nla_len(attr)); | |
807f8a8c LC |
7521 | i++; |
7522 | } | |
7523 | } | |
7524 | ||
a1f1c21c | 7525 | i = 0; |
256da02d | 7526 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 7527 | nla_for_each_nested(attr, |
256da02d | 7528 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
a1f1c21c | 7529 | tmp) { |
3007e352 | 7530 | struct nlattr *ssid, *bssid, *rssi; |
a1f1c21c | 7531 | |
bfe2c7b1 JB |
7532 | err = nla_parse_nested(tb, |
7533 | NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
fceb6435 JB |
7534 | attr, nl80211_match_policy, |
7535 | NULL); | |
ae811e21 JB |
7536 | if (err) |
7537 | goto out_free; | |
4a4ab0d7 | 7538 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
3007e352 AVS |
7539 | bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]; |
7540 | if (ssid || bssid) { | |
ea73cbce JB |
7541 | if (WARN_ON(i >= n_match_sets)) { |
7542 | /* this indicates a programming error, | |
7543 | * the loop above should have verified | |
7544 | * things properly | |
7545 | */ | |
7546 | err = -EINVAL; | |
7547 | goto out_free; | |
7548 | } | |
7549 | ||
3007e352 AVS |
7550 | if (ssid) { |
7551 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { | |
7552 | err = -EINVAL; | |
7553 | goto out_free; | |
7554 | } | |
7555 | memcpy(request->match_sets[i].ssid.ssid, | |
7556 | nla_data(ssid), nla_len(ssid)); | |
7557 | request->match_sets[i].ssid.ssid_len = | |
7558 | nla_len(ssid); | |
7559 | } | |
7560 | if (bssid) { | |
7561 | if (nla_len(bssid) != ETH_ALEN) { | |
7562 | err = -EINVAL; | |
7563 | goto out_free; | |
7564 | } | |
7565 | memcpy(request->match_sets[i].bssid, | |
7566 | nla_data(bssid), ETH_ALEN); | |
a1f1c21c | 7567 | } |
3007e352 | 7568 | |
56ab364f | 7569 | /* special attribute - old implementation w/a */ |
ea73cbce JB |
7570 | request->match_sets[i].rssi_thold = |
7571 | default_match_rssi; | |
7572 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
7573 | if (rssi) | |
7574 | request->match_sets[i].rssi_thold = | |
7575 | nla_get_s32(rssi); | |
a1f1c21c LC |
7576 | } |
7577 | i++; | |
7578 | } | |
ea73cbce JB |
7579 | |
7580 | /* there was no other matchset, so the RSSI one is alone */ | |
f89f46cf | 7581 | if (i == 0 && n_match_sets) |
ea73cbce JB |
7582 | request->match_sets[0].rssi_thold = default_match_rssi; |
7583 | ||
7584 | request->min_rssi_thold = INT_MAX; | |
7585 | for (i = 0; i < n_match_sets; i++) | |
7586 | request->min_rssi_thold = | |
7587 | min(request->match_sets[i].rssi_thold, | |
7588 | request->min_rssi_thold); | |
7589 | } else { | |
7590 | request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
7591 | } |
7592 | ||
9900e484 JB |
7593 | if (ie_len) { |
7594 | request->ie_len = ie_len; | |
807f8a8c | 7595 | memcpy((void *)request->ie, |
256da02d | 7596 | nla_data(attrs[NL80211_ATTR_IE]), |
807f8a8c LC |
7597 | request->ie_len); |
7598 | } | |
7599 | ||
2d23d073 RZ |
7600 | err = nl80211_check_scan_flags(wiphy, wdev, request, attrs, true); |
7601 | if (err) | |
7602 | goto out_free; | |
ed473771 | 7603 | |
9c748934 LC |
7604 | if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY]) |
7605 | request->delay = | |
7606 | nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]); | |
7607 | ||
bf95ecdb | 7608 | if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) { |
7609 | request->relative_rssi = nla_get_s8( | |
7610 | attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]); | |
7611 | request->relative_rssi_set = true; | |
7612 | } | |
7613 | ||
7614 | if (request->relative_rssi_set && | |
7615 | attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) { | |
7616 | struct nl80211_bss_select_rssi_adjust *rssi_adjust; | |
7617 | ||
7618 | rssi_adjust = nla_data( | |
7619 | attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]); | |
7620 | request->rssi_adjust.band = rssi_adjust->band; | |
7621 | request->rssi_adjust.delta = rssi_adjust->delta; | |
7622 | if (!is_band_valid(wiphy, request->rssi_adjust.band)) { | |
7623 | err = -EINVAL; | |
7624 | goto out_free; | |
7625 | } | |
7626 | } | |
7627 | ||
3b06d277 AS |
7628 | err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs); |
7629 | if (err) | |
7630 | goto out_free; | |
7631 | ||
15d6030b | 7632 | request->scan_start = jiffies; |
807f8a8c | 7633 | |
256da02d | 7634 | return request; |
807f8a8c LC |
7635 | |
7636 | out_free: | |
7637 | kfree(request); | |
256da02d LC |
7638 | return ERR_PTR(err); |
7639 | } | |
7640 | ||
7641 | static int nl80211_start_sched_scan(struct sk_buff *skb, | |
7642 | struct genl_info *info) | |
7643 | { | |
7644 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7645 | struct net_device *dev = info->user_ptr[1]; | |
ad2b26ab | 7646 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
31a60ed1 | 7647 | struct cfg80211_sched_scan_request *sched_scan_req; |
ca986ad9 | 7648 | bool want_multi; |
256da02d LC |
7649 | int err; |
7650 | ||
ca986ad9 | 7651 | if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start) |
256da02d LC |
7652 | return -EOPNOTSUPP; |
7653 | ||
ca986ad9 AVS |
7654 | want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI]; |
7655 | err = cfg80211_sched_scan_req_possible(rdev, want_multi); | |
7656 | if (err) | |
7657 | return err; | |
256da02d | 7658 | |
31a60ed1 | 7659 | sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev, |
aad1e812 AVS |
7660 | info->attrs, |
7661 | rdev->wiphy.max_match_sets); | |
31a60ed1 JR |
7662 | |
7663 | err = PTR_ERR_OR_ZERO(sched_scan_req); | |
256da02d LC |
7664 | if (err) |
7665 | goto out_err; | |
7666 | ||
ca986ad9 AVS |
7667 | /* leave request id zero for legacy request |
7668 | * or if driver does not support multi-scheduled scan | |
7669 | */ | |
7670 | if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1) { | |
7671 | while (!sched_scan_req->reqid) | |
7672 | sched_scan_req->reqid = rdev->wiphy.cookie_counter++; | |
7673 | } | |
7674 | ||
31a60ed1 | 7675 | err = rdev_sched_scan_start(rdev, dev, sched_scan_req); |
256da02d LC |
7676 | if (err) |
7677 | goto out_free; | |
7678 | ||
31a60ed1 JR |
7679 | sched_scan_req->dev = dev; |
7680 | sched_scan_req->wiphy = &rdev->wiphy; | |
7681 | ||
93a1e86c JR |
7682 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
7683 | sched_scan_req->owner_nlportid = info->snd_portid; | |
7684 | ||
ca986ad9 | 7685 | cfg80211_add_sched_scan_req(rdev, sched_scan_req); |
256da02d | 7686 | |
96b08fd6 | 7687 | nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN); |
256da02d LC |
7688 | return 0; |
7689 | ||
7690 | out_free: | |
31a60ed1 | 7691 | kfree(sched_scan_req); |
256da02d | 7692 | out_err: |
807f8a8c LC |
7693 | return err; |
7694 | } | |
7695 | ||
7696 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
7697 | struct genl_info *info) | |
7698 | { | |
ca986ad9 | 7699 | struct cfg80211_sched_scan_request *req; |
807f8a8c | 7700 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ca986ad9 | 7701 | u64 cookie; |
807f8a8c | 7702 | |
ca986ad9 | 7703 | if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop) |
807f8a8c LC |
7704 | return -EOPNOTSUPP; |
7705 | ||
ca986ad9 AVS |
7706 | if (info->attrs[NL80211_ATTR_COOKIE]) { |
7707 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
7708 | return __cfg80211_stop_sched_scan(rdev, cookie, false); | |
7709 | } | |
7710 | ||
7711 | req = list_first_or_null_rcu(&rdev->sched_scan_req_list, | |
7712 | struct cfg80211_sched_scan_request, | |
7713 | list); | |
7714 | if (!req || req->reqid || | |
7715 | (req->owner_nlportid && | |
7716 | req->owner_nlportid != info->snd_portid)) | |
7717 | return -ENOENT; | |
7718 | ||
7719 | return cfg80211_stop_sched_scan_req(rdev, req, false); | |
807f8a8c LC |
7720 | } |
7721 | ||
04f39047 SW |
7722 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
7723 | struct genl_info *info) | |
7724 | { | |
7725 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7726 | struct net_device *dev = info->user_ptr[1]; | |
7727 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
13cf6dec | 7728 | struct wiphy *wiphy = wdev->wiphy; |
04f39047 | 7729 | struct cfg80211_chan_def chandef; |
55f7435c | 7730 | enum nl80211_dfs_regions dfs_region; |
31559f35 | 7731 | unsigned int cac_time_ms; |
04f39047 SW |
7732 | int err; |
7733 | ||
13cf6dec | 7734 | dfs_region = reg_get_dfs_region(wiphy); |
55f7435c LR |
7735 | if (dfs_region == NL80211_DFS_UNSET) |
7736 | return -EINVAL; | |
7737 | ||
04f39047 SW |
7738 | err = nl80211_parse_chandef(rdev, info, &chandef); |
7739 | if (err) | |
7740 | return err; | |
7741 | ||
ff311bc1 SW |
7742 | if (netif_carrier_ok(dev)) |
7743 | return -EBUSY; | |
7744 | ||
04f39047 SW |
7745 | if (wdev->cac_started) |
7746 | return -EBUSY; | |
7747 | ||
13cf6dec | 7748 | err = cfg80211_chandef_dfs_required(wiphy, &chandef, wdev->iftype); |
04f39047 SW |
7749 | if (err < 0) |
7750 | return err; | |
7751 | ||
7752 | if (err == 0) | |
7753 | return -EINVAL; | |
7754 | ||
13cf6dec | 7755 | if (!cfg80211_chandef_dfs_usable(wiphy, &chandef)) |
04f39047 SW |
7756 | return -EINVAL; |
7757 | ||
13cf6dec DL |
7758 | /* CAC start is offloaded to HW and can't be started manually */ |
7759 | if (wiphy_ext_feature_isset(wiphy, NL80211_EXT_FEATURE_DFS_OFFLOAD)) | |
7760 | return -EOPNOTSUPP; | |
7761 | ||
04f39047 SW |
7762 | if (!rdev->ops->start_radar_detection) |
7763 | return -EOPNOTSUPP; | |
7764 | ||
31559f35 JD |
7765 | cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef); |
7766 | if (WARN_ON(!cac_time_ms)) | |
7767 | cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; | |
7768 | ||
a1056b1b | 7769 | err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms); |
04f39047 | 7770 | if (!err) { |
9e0e2961 | 7771 | wdev->chandef = chandef; |
04f39047 SW |
7772 | wdev->cac_started = true; |
7773 | wdev->cac_start_time = jiffies; | |
31559f35 | 7774 | wdev->cac_time_ms = cac_time_ms; |
04f39047 | 7775 | } |
04f39047 SW |
7776 | return err; |
7777 | } | |
7778 | ||
16ef1fe2 SW |
7779 | static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) |
7780 | { | |
7781 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7782 | struct net_device *dev = info->user_ptr[1]; | |
7783 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7784 | struct cfg80211_csa_settings params; | |
7785 | /* csa_attrs is defined static to avoid waste of stack size - this | |
7786 | * function is called under RTNL lock, so this should not be a problem. | |
7787 | */ | |
7788 | static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1]; | |
16ef1fe2 | 7789 | int err; |
ee4bc9e7 | 7790 | bool need_new_beacon = false; |
8d9de16f | 7791 | bool need_handle_dfs_flag = true; |
9a774c78 | 7792 | int len, i; |
252e07ca | 7793 | u32 cs_count; |
16ef1fe2 SW |
7794 | |
7795 | if (!rdev->ops->channel_switch || | |
7796 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) | |
7797 | return -EOPNOTSUPP; | |
7798 | ||
ee4bc9e7 SW |
7799 | switch (dev->ieee80211_ptr->iftype) { |
7800 | case NL80211_IFTYPE_AP: | |
7801 | case NL80211_IFTYPE_P2P_GO: | |
7802 | need_new_beacon = true; | |
8d9de16f BB |
7803 | /* For all modes except AP the handle_dfs flag needs to be |
7804 | * supplied to tell the kernel that userspace will handle radar | |
7805 | * events when they happen. Otherwise a switch to a channel | |
7806 | * requiring DFS will be rejected. | |
7807 | */ | |
7808 | need_handle_dfs_flag = false; | |
ee4bc9e7 SW |
7809 | |
7810 | /* useless if AP is not running */ | |
7811 | if (!wdev->beacon_interval) | |
1ff79dfa | 7812 | return -ENOTCONN; |
ee4bc9e7 SW |
7813 | break; |
7814 | case NL80211_IFTYPE_ADHOC: | |
1ff79dfa JB |
7815 | if (!wdev->ssid_len) |
7816 | return -ENOTCONN; | |
7817 | break; | |
c6da674a | 7818 | case NL80211_IFTYPE_MESH_POINT: |
1ff79dfa JB |
7819 | if (!wdev->mesh_id_len) |
7820 | return -ENOTCONN; | |
ee4bc9e7 SW |
7821 | break; |
7822 | default: | |
16ef1fe2 | 7823 | return -EOPNOTSUPP; |
ee4bc9e7 | 7824 | } |
16ef1fe2 SW |
7825 | |
7826 | memset(¶ms, 0, sizeof(params)); | |
7827 | ||
7828 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
7829 | !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]) | |
7830 | return -EINVAL; | |
7831 | ||
7832 | /* only important for AP, IBSS and mesh create IEs internally */ | |
d0a361a5 | 7833 | if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES]) |
16ef1fe2 SW |
7834 | return -EINVAL; |
7835 | ||
252e07ca LC |
7836 | /* Even though the attribute is u32, the specification says |
7837 | * u8, so let's make sure we don't overflow. | |
7838 | */ | |
7839 | cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); | |
7840 | if (cs_count > 255) | |
7841 | return -EINVAL; | |
7842 | ||
7843 | params.count = cs_count; | |
16ef1fe2 | 7844 | |
ee4bc9e7 SW |
7845 | if (!need_new_beacon) |
7846 | goto skip_beacons; | |
7847 | ||
16ef1fe2 SW |
7848 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after); |
7849 | if (err) | |
7850 | return err; | |
7851 | ||
7852 | err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX, | |
7853 | info->attrs[NL80211_ATTR_CSA_IES], | |
fe52145f | 7854 | nl80211_policy, info->extack); |
16ef1fe2 SW |
7855 | if (err) |
7856 | return err; | |
7857 | ||
7858 | err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa); | |
7859 | if (err) | |
7860 | return err; | |
7861 | ||
7862 | if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]) | |
7863 | return -EINVAL; | |
7864 | ||
9a774c78 AO |
7865 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); |
7866 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
7867 | return -EINVAL; |
7868 | ||
9a774c78 AO |
7869 | params.n_counter_offsets_beacon = len / sizeof(u16); |
7870 | if (rdev->wiphy.max_num_csa_counters && | |
7871 | (params.n_counter_offsets_beacon > | |
7872 | rdev->wiphy.max_num_csa_counters)) | |
16ef1fe2 SW |
7873 | return -EINVAL; |
7874 | ||
9a774c78 AO |
7875 | params.counter_offsets_beacon = |
7876 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); | |
7877 | ||
7878 | /* sanity checks - counters should fit and be the same */ | |
7879 | for (i = 0; i < params.n_counter_offsets_beacon; i++) { | |
7880 | u16 offset = params.counter_offsets_beacon[i]; | |
7881 | ||
7882 | if (offset >= params.beacon_csa.tail_len) | |
7883 | return -EINVAL; | |
7884 | ||
7885 | if (params.beacon_csa.tail[offset] != params.count) | |
7886 | return -EINVAL; | |
7887 | } | |
7888 | ||
16ef1fe2 | 7889 | if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) { |
9a774c78 AO |
7890 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); |
7891 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
7892 | return -EINVAL; |
7893 | ||
9a774c78 AO |
7894 | params.n_counter_offsets_presp = len / sizeof(u16); |
7895 | if (rdev->wiphy.max_num_csa_counters && | |
ad5987b4 | 7896 | (params.n_counter_offsets_presp > |
9a774c78 | 7897 | rdev->wiphy.max_num_csa_counters)) |
16ef1fe2 | 7898 | return -EINVAL; |
9a774c78 AO |
7899 | |
7900 | params.counter_offsets_presp = | |
7901 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); | |
7902 | ||
7903 | /* sanity checks - counters should fit and be the same */ | |
7904 | for (i = 0; i < params.n_counter_offsets_presp; i++) { | |
7905 | u16 offset = params.counter_offsets_presp[i]; | |
7906 | ||
7907 | if (offset >= params.beacon_csa.probe_resp_len) | |
7908 | return -EINVAL; | |
7909 | ||
7910 | if (params.beacon_csa.probe_resp[offset] != | |
7911 | params.count) | |
7912 | return -EINVAL; | |
7913 | } | |
16ef1fe2 SW |
7914 | } |
7915 | ||
ee4bc9e7 | 7916 | skip_beacons: |
16ef1fe2 SW |
7917 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
7918 | if (err) | |
7919 | return err; | |
7920 | ||
923b352f AN |
7921 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, |
7922 | wdev->iftype)) | |
16ef1fe2 SW |
7923 | return -EINVAL; |
7924 | ||
2beb6dab LC |
7925 | err = cfg80211_chandef_dfs_required(wdev->wiphy, |
7926 | ¶ms.chandef, | |
7927 | wdev->iftype); | |
7928 | if (err < 0) | |
7929 | return err; | |
7930 | ||
8d9de16f | 7931 | if (err > 0) { |
2beb6dab | 7932 | params.radar_required = true; |
8d9de16f BB |
7933 | if (need_handle_dfs_flag && |
7934 | !nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS])) { | |
7935 | return -EINVAL; | |
7936 | } | |
7937 | } | |
16ef1fe2 | 7938 | |
16ef1fe2 SW |
7939 | if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) |
7940 | params.block_tx = true; | |
7941 | ||
c56589ed SW |
7942 | wdev_lock(wdev); |
7943 | err = rdev_channel_switch(rdev, dev, ¶ms); | |
7944 | wdev_unlock(wdev); | |
7945 | ||
7946 | return err; | |
16ef1fe2 SW |
7947 | } |
7948 | ||
9720bb3a JB |
7949 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
7950 | u32 seq, int flags, | |
2a519311 | 7951 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
7952 | struct wireless_dev *wdev, |
7953 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 7954 | { |
48ab905d | 7955 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 7956 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
7957 | void *hdr; |
7958 | struct nlattr *bss; | |
48ab905d JB |
7959 | |
7960 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 7961 | |
15e47304 | 7962 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
7963 | NL80211_CMD_NEW_SCAN_RESULTS); |
7964 | if (!hdr) | |
7965 | return -1; | |
7966 | ||
0a833c29 | 7967 | genl_dump_check_consistent(cb, hdr); |
9720bb3a | 7968 | |
97990a06 JB |
7969 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
7970 | goto nla_put_failure; | |
7971 | if (wdev->netdev && | |
9360ffd1 DM |
7972 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
7973 | goto nla_put_failure; | |
2dad624e ND |
7974 | if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
7975 | NL80211_ATTR_PAD)) | |
97990a06 | 7976 | goto nla_put_failure; |
2a519311 JB |
7977 | |
7978 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
7979 | if (!bss) | |
7980 | goto nla_put_failure; | |
9360ffd1 | 7981 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 7982 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 7983 | goto nla_put_failure; |
9caf0364 JB |
7984 | |
7985 | rcu_read_lock(); | |
0e227084 JB |
7986 | /* indicate whether we have probe response data or not */ |
7987 | if (rcu_access_pointer(res->proberesp_ies) && | |
7988 | nla_put_flag(msg, NL80211_BSS_PRESP_DATA)) | |
7989 | goto fail_unlock_rcu; | |
7990 | ||
7991 | /* this pointer prefers to be pointed to probe response data | |
7992 | * but is always valid | |
7993 | */ | |
9caf0364 | 7994 | ies = rcu_dereference(res->ies); |
8cef2c9d | 7995 | if (ies) { |
2dad624e ND |
7996 | if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf, |
7997 | NL80211_BSS_PAD)) | |
8cef2c9d | 7998 | goto fail_unlock_rcu; |
8cef2c9d JB |
7999 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, |
8000 | ies->len, ies->data)) | |
8001 | goto fail_unlock_rcu; | |
9caf0364 | 8002 | } |
0e227084 JB |
8003 | |
8004 | /* and this pointer is always (unless driver didn't know) beacon data */ | |
9caf0364 | 8005 | ies = rcu_dereference(res->beacon_ies); |
0e227084 | 8006 | if (ies && ies->from_beacon) { |
2dad624e ND |
8007 | if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf, |
8008 | NL80211_BSS_PAD)) | |
8cef2c9d JB |
8009 | goto fail_unlock_rcu; |
8010 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
8011 | ies->len, ies->data)) | |
8012 | goto fail_unlock_rcu; | |
9caf0364 JB |
8013 | } |
8014 | rcu_read_unlock(); | |
8015 | ||
9360ffd1 DM |
8016 | if (res->beacon_interval && |
8017 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
8018 | goto nla_put_failure; | |
8019 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
8020 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
dcd6eac1 | 8021 | nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) || |
9360ffd1 DM |
8022 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, |
8023 | jiffies_to_msecs(jiffies - intbss->ts))) | |
8024 | goto nla_put_failure; | |
2a519311 | 8025 | |
1d76250b AS |
8026 | if (intbss->parent_tsf && |
8027 | (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF, | |
8028 | intbss->parent_tsf, NL80211_BSS_PAD) || | |
8029 | nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN, | |
8030 | intbss->parent_bssid))) | |
8031 | goto nla_put_failure; | |
8032 | ||
6e19bc4b | 8033 | if (intbss->ts_boottime && |
2dad624e ND |
8034 | nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME, |
8035 | intbss->ts_boottime, NL80211_BSS_PAD)) | |
6e19bc4b DS |
8036 | goto nla_put_failure; |
8037 | ||
983dafaa SD |
8038 | if (!nl80211_put_signal(msg, intbss->pub.chains, |
8039 | intbss->pub.chain_signal, | |
8040 | NL80211_BSS_CHAIN_SIGNAL)) | |
8041 | goto nla_put_failure; | |
8042 | ||
77965c97 | 8043 | switch (rdev->wiphy.signal_type) { |
2a519311 | 8044 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
8045 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
8046 | goto nla_put_failure; | |
2a519311 JB |
8047 | break; |
8048 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
8049 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
8050 | goto nla_put_failure; | |
2a519311 JB |
8051 | break; |
8052 | default: | |
8053 | break; | |
8054 | } | |
8055 | ||
48ab905d | 8056 | switch (wdev->iftype) { |
074ac8df | 8057 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 8058 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
8059 | if (intbss == wdev->current_bss && |
8060 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
8061 | NL80211_BSS_STATUS_ASSOCIATED)) | |
8062 | goto nla_put_failure; | |
48ab905d JB |
8063 | break; |
8064 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
8065 | if (intbss == wdev->current_bss && |
8066 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
8067 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
8068 | goto nla_put_failure; | |
48ab905d JB |
8069 | break; |
8070 | default: | |
8071 | break; | |
8072 | } | |
8073 | ||
2a519311 JB |
8074 | nla_nest_end(msg, bss); |
8075 | ||
053c095a JB |
8076 | genlmsg_end(msg, hdr); |
8077 | return 0; | |
2a519311 | 8078 | |
8cef2c9d JB |
8079 | fail_unlock_rcu: |
8080 | rcu_read_unlock(); | |
2a519311 JB |
8081 | nla_put_failure: |
8082 | genlmsg_cancel(msg, hdr); | |
8083 | return -EMSGSIZE; | |
8084 | } | |
8085 | ||
97990a06 | 8086 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 8087 | { |
48ab905d | 8088 | struct cfg80211_registered_device *rdev; |
2a519311 | 8089 | struct cfg80211_internal_bss *scan; |
48ab905d | 8090 | struct wireless_dev *wdev; |
97990a06 | 8091 | int start = cb->args[2], idx = 0; |
2a519311 JB |
8092 | int err; |
8093 | ||
ea90e0dc | 8094 | rtnl_lock(); |
97990a06 | 8095 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
ea90e0dc JB |
8096 | if (err) { |
8097 | rtnl_unlock(); | |
67748893 | 8098 | return err; |
ea90e0dc | 8099 | } |
2a519311 | 8100 | |
48ab905d JB |
8101 | wdev_lock(wdev); |
8102 | spin_lock_bh(&rdev->bss_lock); | |
d1e23c94 DK |
8103 | |
8104 | /* | |
8105 | * dump_scan will be called multiple times to break up the scan results | |
8106 | * into multiple messages. It is unlikely that any more bss-es will be | |
8107 | * expired after the first call, so only call only call this on the | |
8108 | * first dump_scan invocation. | |
8109 | */ | |
8110 | if (start == 0) | |
8111 | cfg80211_bss_expire(rdev); | |
48ab905d | 8112 | |
9720bb3a JB |
8113 | cb->seq = rdev->bss_generation; |
8114 | ||
48ab905d | 8115 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
8116 | if (++idx <= start) |
8117 | continue; | |
9720bb3a | 8118 | if (nl80211_send_bss(skb, cb, |
2a519311 | 8119 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 8120 | rdev, wdev, scan) < 0) { |
2a519311 | 8121 | idx--; |
67748893 | 8122 | break; |
2a519311 JB |
8123 | } |
8124 | } | |
8125 | ||
48ab905d JB |
8126 | spin_unlock_bh(&rdev->bss_lock); |
8127 | wdev_unlock(wdev); | |
2a519311 | 8128 | |
97990a06 | 8129 | cb->args[2] = idx; |
ea90e0dc | 8130 | rtnl_unlock(); |
2a519311 | 8131 | |
67748893 | 8132 | return skb->len; |
2a519311 JB |
8133 | } |
8134 | ||
15e47304 | 8135 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
11f78ac3 JB |
8136 | int flags, struct net_device *dev, |
8137 | bool allow_radio_stats, | |
8138 | struct survey_info *survey) | |
61fa713c HS |
8139 | { |
8140 | void *hdr; | |
8141 | struct nlattr *infoattr; | |
8142 | ||
11f78ac3 JB |
8143 | /* skip radio stats if userspace didn't request them */ |
8144 | if (!survey->channel && !allow_radio_stats) | |
8145 | return 0; | |
8146 | ||
15e47304 | 8147 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
8148 | NL80211_CMD_NEW_SURVEY_RESULTS); |
8149 | if (!hdr) | |
8150 | return -ENOMEM; | |
8151 | ||
9360ffd1 DM |
8152 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
8153 | goto nla_put_failure; | |
61fa713c HS |
8154 | |
8155 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
8156 | if (!infoattr) | |
8157 | goto nla_put_failure; | |
8158 | ||
11f78ac3 JB |
8159 | if (survey->channel && |
8160 | nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, | |
9360ffd1 DM |
8161 | survey->channel->center_freq)) |
8162 | goto nla_put_failure; | |
8163 | ||
8164 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
8165 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
8166 | goto nla_put_failure; | |
8167 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
8168 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
8169 | goto nla_put_failure; | |
4ed20beb | 8170 | if ((survey->filled & SURVEY_INFO_TIME) && |
2dad624e ND |
8171 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME, |
8172 | survey->time, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 8173 | goto nla_put_failure; |
4ed20beb | 8174 | if ((survey->filled & SURVEY_INFO_TIME_BUSY) && |
2dad624e ND |
8175 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY, |
8176 | survey->time_busy, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 8177 | goto nla_put_failure; |
4ed20beb | 8178 | if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) && |
2dad624e ND |
8179 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY, |
8180 | survey->time_ext_busy, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 8181 | goto nla_put_failure; |
4ed20beb | 8182 | if ((survey->filled & SURVEY_INFO_TIME_RX) && |
2dad624e ND |
8183 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX, |
8184 | survey->time_rx, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 8185 | goto nla_put_failure; |
4ed20beb | 8186 | if ((survey->filled & SURVEY_INFO_TIME_TX) && |
2dad624e ND |
8187 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX, |
8188 | survey->time_tx, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 8189 | goto nla_put_failure; |
052536ab | 8190 | if ((survey->filled & SURVEY_INFO_TIME_SCAN) && |
2dad624e ND |
8191 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN, |
8192 | survey->time_scan, NL80211_SURVEY_INFO_PAD)) | |
052536ab | 8193 | goto nla_put_failure; |
61fa713c HS |
8194 | |
8195 | nla_nest_end(msg, infoattr); | |
8196 | ||
053c095a JB |
8197 | genlmsg_end(msg, hdr); |
8198 | return 0; | |
61fa713c HS |
8199 | |
8200 | nla_put_failure: | |
8201 | genlmsg_cancel(msg, hdr); | |
8202 | return -EMSGSIZE; | |
8203 | } | |
8204 | ||
11f78ac3 | 8205 | static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb) |
61fa713c | 8206 | { |
c90c39da | 8207 | struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); |
61fa713c | 8208 | struct survey_info survey; |
1b8ec87a | 8209 | struct cfg80211_registered_device *rdev; |
97990a06 JB |
8210 | struct wireless_dev *wdev; |
8211 | int survey_idx = cb->args[2]; | |
61fa713c | 8212 | int res; |
11f78ac3 | 8213 | bool radio_stats; |
61fa713c | 8214 | |
ea90e0dc | 8215 | rtnl_lock(); |
1b8ec87a | 8216 | res = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 | 8217 | if (res) |
ea90e0dc | 8218 | goto out_err; |
61fa713c | 8219 | |
11f78ac3 | 8220 | /* prepare_wdev_dump parsed the attributes */ |
c90c39da | 8221 | radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS]; |
11f78ac3 | 8222 | |
97990a06 JB |
8223 | if (!wdev->netdev) { |
8224 | res = -EINVAL; | |
8225 | goto out_err; | |
8226 | } | |
8227 | ||
1b8ec87a | 8228 | if (!rdev->ops->dump_survey) { |
61fa713c HS |
8229 | res = -EOPNOTSUPP; |
8230 | goto out_err; | |
8231 | } | |
8232 | ||
8233 | while (1) { | |
1b8ec87a | 8234 | res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
8235 | if (res == -ENOENT) |
8236 | break; | |
8237 | if (res) | |
8238 | goto out_err; | |
8239 | ||
11f78ac3 JB |
8240 | /* don't send disabled channels, but do send non-channel data */ |
8241 | if (survey.channel && | |
8242 | survey.channel->flags & IEEE80211_CHAN_DISABLED) { | |
180cdc79 LR |
8243 | survey_idx++; |
8244 | continue; | |
8245 | } | |
8246 | ||
61fa713c | 8247 | if (nl80211_send_survey(skb, |
15e47304 | 8248 | NETLINK_CB(cb->skb).portid, |
61fa713c | 8249 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
11f78ac3 | 8250 | wdev->netdev, radio_stats, &survey) < 0) |
61fa713c HS |
8251 | goto out; |
8252 | survey_idx++; | |
8253 | } | |
8254 | ||
8255 | out: | |
97990a06 | 8256 | cb->args[2] = survey_idx; |
61fa713c HS |
8257 | res = skb->len; |
8258 | out_err: | |
ea90e0dc | 8259 | rtnl_unlock(); |
61fa713c HS |
8260 | return res; |
8261 | } | |
8262 | ||
b23aa676 SO |
8263 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
8264 | { | |
8265 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
8266 | NL80211_WPA_VERSION_2)); | |
8267 | } | |
8268 | ||
636a5d36 JM |
8269 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
8270 | { | |
4c476991 JB |
8271 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8272 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 8273 | struct ieee80211_channel *chan; |
11b6b5a4 JM |
8274 | const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL; |
8275 | int err, ssid_len, ie_len = 0, auth_data_len = 0; | |
19957bb3 | 8276 | enum nl80211_auth_type auth_type; |
fffd0934 | 8277 | struct key_parse key; |
d5cdfacb | 8278 | bool local_state_change; |
636a5d36 | 8279 | |
f4a11bb0 JB |
8280 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8281 | return -EINVAL; | |
8282 | ||
8283 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8284 | return -EINVAL; | |
8285 | ||
1778092e JM |
8286 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
8287 | return -EINVAL; | |
8288 | ||
19957bb3 JB |
8289 | if (!info->attrs[NL80211_ATTR_SSID]) |
8290 | return -EINVAL; | |
8291 | ||
8292 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
8293 | return -EINVAL; | |
8294 | ||
fffd0934 JB |
8295 | err = nl80211_parse_key(info, &key); |
8296 | if (err) | |
8297 | return err; | |
8298 | ||
8299 | if (key.idx >= 0) { | |
e31b8213 JB |
8300 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
8301 | return -EINVAL; | |
fffd0934 JB |
8302 | if (!key.p.key || !key.p.key_len) |
8303 | return -EINVAL; | |
8304 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
8305 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
8306 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
8307 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
8308 | return -EINVAL; | |
b6b5555b | 8309 | if (key.idx > 3) |
fffd0934 JB |
8310 | return -EINVAL; |
8311 | } else { | |
8312 | key.p.key_len = 0; | |
8313 | key.p.key = NULL; | |
8314 | } | |
8315 | ||
afea0b7a JB |
8316 | if (key.idx >= 0) { |
8317 | int i; | |
8318 | bool ok = false; | |
7a087e74 | 8319 | |
afea0b7a JB |
8320 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { |
8321 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
8322 | ok = true; | |
8323 | break; | |
8324 | } | |
8325 | } | |
4c476991 JB |
8326 | if (!ok) |
8327 | return -EINVAL; | |
afea0b7a JB |
8328 | } |
8329 | ||
4c476991 JB |
8330 | if (!rdev->ops->auth) |
8331 | return -EOPNOTSUPP; | |
636a5d36 | 8332 | |
074ac8df | 8333 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8334 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8335 | return -EOPNOTSUPP; | |
eec60b03 | 8336 | |
19957bb3 | 8337 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
664834de JM |
8338 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
8339 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
8340 | if (!chan) | |
4c476991 | 8341 | return -EINVAL; |
636a5d36 | 8342 | |
19957bb3 JB |
8343 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
8344 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
8345 | |
8346 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
8347 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8348 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8349 | } |
8350 | ||
19957bb3 | 8351 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 8352 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 8353 | return -EINVAL; |
636a5d36 | 8354 | |
63181060 JM |
8355 | if ((auth_type == NL80211_AUTHTYPE_SAE || |
8356 | auth_type == NL80211_AUTHTYPE_FILS_SK || | |
8357 | auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
8358 | auth_type == NL80211_AUTHTYPE_FILS_PK) && | |
11b6b5a4 | 8359 | !info->attrs[NL80211_ATTR_AUTH_DATA]) |
e39e5b5e JM |
8360 | return -EINVAL; |
8361 | ||
11b6b5a4 | 8362 | if (info->attrs[NL80211_ATTR_AUTH_DATA]) { |
63181060 JM |
8363 | if (auth_type != NL80211_AUTHTYPE_SAE && |
8364 | auth_type != NL80211_AUTHTYPE_FILS_SK && | |
8365 | auth_type != NL80211_AUTHTYPE_FILS_SK_PFS && | |
8366 | auth_type != NL80211_AUTHTYPE_FILS_PK) | |
e39e5b5e | 8367 | return -EINVAL; |
11b6b5a4 JM |
8368 | auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]); |
8369 | auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]); | |
e39e5b5e | 8370 | /* need to include at least Auth Transaction and Status Code */ |
11b6b5a4 | 8371 | if (auth_data_len < 4) |
e39e5b5e JM |
8372 | return -EINVAL; |
8373 | } | |
8374 | ||
d5cdfacb JM |
8375 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
8376 | ||
95de817b JB |
8377 | /* |
8378 | * Since we no longer track auth state, ignore | |
8379 | * requests to only change local state. | |
8380 | */ | |
8381 | if (local_state_change) | |
8382 | return 0; | |
8383 | ||
91bf9b26 JB |
8384 | wdev_lock(dev->ieee80211_ptr); |
8385 | err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
8386 | ssid, ssid_len, ie, ie_len, | |
8387 | key.p.key, key.p.key_len, key.idx, | |
11b6b5a4 | 8388 | auth_data, auth_data_len); |
91bf9b26 JB |
8389 | wdev_unlock(dev->ieee80211_ptr); |
8390 | return err; | |
636a5d36 JM |
8391 | } |
8392 | ||
64bf3d4b DK |
8393 | static int validate_pae_over_nl80211(struct cfg80211_registered_device *rdev, |
8394 | struct genl_info *info) | |
8395 | { | |
8396 | if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) { | |
8397 | GENL_SET_ERR_MSG(info, "SOCKET_OWNER not set"); | |
8398 | return -EINVAL; | |
8399 | } | |
8400 | ||
8401 | if (!rdev->ops->tx_control_port || | |
8402 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
8403 | NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211)) | |
8404 | return -EOPNOTSUPP; | |
8405 | ||
8406 | return 0; | |
8407 | } | |
8408 | ||
c0692b8f JB |
8409 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
8410 | struct genl_info *info, | |
3dc27d25 JB |
8411 | struct cfg80211_crypto_settings *settings, |
8412 | int cipher_limit) | |
b23aa676 | 8413 | { |
c0b2bbd8 JB |
8414 | memset(settings, 0, sizeof(*settings)); |
8415 | ||
b23aa676 SO |
8416 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
8417 | ||
c0692b8f JB |
8418 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
8419 | u16 proto; | |
7a087e74 | 8420 | |
c0692b8f JB |
8421 | proto = nla_get_u16( |
8422 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
8423 | settings->control_port_ethertype = cpu_to_be16(proto); | |
8424 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
8425 | proto != ETH_P_PAE) | |
8426 | return -EINVAL; | |
8427 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
8428 | settings->control_port_no_encrypt = true; | |
8429 | } else | |
8430 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
8431 | ||
64bf3d4b DK |
8432 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) { |
8433 | int r = validate_pae_over_nl80211(rdev, info); | |
8434 | ||
8435 | if (r < 0) | |
8436 | return r; | |
8437 | ||
8438 | settings->control_port_over_nl80211 = true; | |
8439 | } | |
8440 | ||
b23aa676 SO |
8441 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
8442 | void *data; | |
8443 | int len, i; | |
8444 | ||
8445 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
8446 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
8447 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
8448 | ||
8449 | if (len % sizeof(u32)) | |
8450 | return -EINVAL; | |
8451 | ||
3dc27d25 | 8452 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
8453 | return -EINVAL; |
8454 | ||
8455 | memcpy(settings->ciphers_pairwise, data, len); | |
8456 | ||
8457 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
8458 | if (!cfg80211_supported_cipher_suite( |
8459 | &rdev->wiphy, | |
b23aa676 SO |
8460 | settings->ciphers_pairwise[i])) |
8461 | return -EINVAL; | |
8462 | } | |
8463 | ||
8464 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
8465 | settings->cipher_group = | |
8466 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
8467 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
8468 | settings->cipher_group)) | |
b23aa676 SO |
8469 | return -EINVAL; |
8470 | } | |
8471 | ||
8472 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
8473 | settings->wpa_versions = | |
8474 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
8475 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
8476 | return -EINVAL; | |
8477 | } | |
8478 | ||
8479 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
8480 | void *data; | |
6d30240e | 8481 | int len; |
b23aa676 SO |
8482 | |
8483 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
8484 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
8485 | settings->n_akm_suites = len / sizeof(u32); | |
8486 | ||
8487 | if (len % sizeof(u32)) | |
8488 | return -EINVAL; | |
8489 | ||
1b9ca027 JM |
8490 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
8491 | return -EINVAL; | |
8492 | ||
b23aa676 | 8493 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
8494 | } |
8495 | ||
91b5ab62 EP |
8496 | if (info->attrs[NL80211_ATTR_PMK]) { |
8497 | if (nla_len(info->attrs[NL80211_ATTR_PMK]) != WLAN_PMK_LEN) | |
8498 | return -EINVAL; | |
8499 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
8500 | NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_PSK)) | |
8501 | return -EINVAL; | |
8502 | settings->psk = nla_data(info->attrs[NL80211_ATTR_PMK]); | |
8503 | } | |
8504 | ||
b23aa676 SO |
8505 | return 0; |
8506 | } | |
8507 | ||
636a5d36 JM |
8508 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
8509 | { | |
4c476991 JB |
8510 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8511 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 8512 | struct ieee80211_channel *chan; |
f62fab73 JB |
8513 | struct cfg80211_assoc_request req = {}; |
8514 | const u8 *bssid, *ssid; | |
8515 | int err, ssid_len = 0; | |
636a5d36 | 8516 | |
bad29297 AZ |
8517 | if (dev->ieee80211_ptr->conn_owner_nlportid && |
8518 | dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid) | |
8519 | return -EPERM; | |
8520 | ||
f4a11bb0 JB |
8521 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8522 | return -EINVAL; | |
8523 | ||
8524 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
8525 | !info->attrs[NL80211_ATTR_SSID] || |
8526 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
8527 | return -EINVAL; |
8528 | ||
4c476991 JB |
8529 | if (!rdev->ops->assoc) |
8530 | return -EOPNOTSUPP; | |
636a5d36 | 8531 | |
074ac8df | 8532 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8533 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8534 | return -EOPNOTSUPP; | |
eec60b03 | 8535 | |
19957bb3 | 8536 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 8537 | |
664834de JM |
8538 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
8539 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
8540 | if (!chan) | |
4c476991 | 8541 | return -EINVAL; |
636a5d36 | 8542 | |
19957bb3 JB |
8543 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
8544 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
8545 | |
8546 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
8547 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8548 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8549 | } |
8550 | ||
dc6382ce | 8551 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 8552 | enum nl80211_mfp mfp = |
dc6382ce | 8553 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 8554 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 8555 | req.use_mfp = true; |
4c476991 JB |
8556 | else if (mfp != NL80211_MFP_NO) |
8557 | return -EINVAL; | |
dc6382ce JM |
8558 | } |
8559 | ||
3e5d7649 | 8560 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 8561 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 8562 | |
7e7c8926 | 8563 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 8564 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
8565 | |
8566 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
8567 | memcpy(&req.ht_capa_mask, |
8568 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
8569 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
8570 | |
8571 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 8572 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 8573 | return -EINVAL; |
f62fab73 JB |
8574 | memcpy(&req.ht_capa, |
8575 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
8576 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
8577 | } |
8578 | ||
ee2aca34 | 8579 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 8580 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 JB |
8581 | |
8582 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
f62fab73 JB |
8583 | memcpy(&req.vht_capa_mask, |
8584 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
8585 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
8586 | |
8587 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 8588 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 8589 | return -EINVAL; |
f62fab73 JB |
8590 | memcpy(&req.vht_capa, |
8591 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
8592 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
8593 | } |
8594 | ||
bab5ab7d | 8595 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
0c9ca11b BL |
8596 | if (!((rdev->wiphy.features & |
8597 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) && | |
8598 | (rdev->wiphy.features & NL80211_FEATURE_QUIET)) && | |
8599 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
8600 | NL80211_EXT_FEATURE_RRM)) | |
bab5ab7d AK |
8601 | return -EINVAL; |
8602 | req.flags |= ASSOC_REQ_USE_RRM; | |
8603 | } | |
8604 | ||
348bd456 JM |
8605 | if (info->attrs[NL80211_ATTR_FILS_KEK]) { |
8606 | req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]); | |
8607 | req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]); | |
8608 | if (!info->attrs[NL80211_ATTR_FILS_NONCES]) | |
8609 | return -EINVAL; | |
8610 | req.fils_nonces = | |
8611 | nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]); | |
8612 | } | |
8613 | ||
f62fab73 | 8614 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
91bf9b26 JB |
8615 | if (!err) { |
8616 | wdev_lock(dev->ieee80211_ptr); | |
bd2522b1 | 8617 | |
f62fab73 JB |
8618 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
8619 | ssid, ssid_len, &req); | |
bd2522b1 AZ |
8620 | |
8621 | if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) { | |
8622 | dev->ieee80211_ptr->conn_owner_nlportid = | |
8623 | info->snd_portid; | |
8624 | memcpy(dev->ieee80211_ptr->disconnect_bssid, | |
8625 | bssid, ETH_ALEN); | |
8626 | } | |
8627 | ||
91bf9b26 JB |
8628 | wdev_unlock(dev->ieee80211_ptr); |
8629 | } | |
636a5d36 | 8630 | |
636a5d36 JM |
8631 | return err; |
8632 | } | |
8633 | ||
8634 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
8635 | { | |
4c476991 JB |
8636 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8637 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 8638 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 8639 | int ie_len = 0, err; |
19957bb3 | 8640 | u16 reason_code; |
d5cdfacb | 8641 | bool local_state_change; |
636a5d36 | 8642 | |
bad29297 AZ |
8643 | if (dev->ieee80211_ptr->conn_owner_nlportid && |
8644 | dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid) | |
8645 | return -EPERM; | |
8646 | ||
f4a11bb0 JB |
8647 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8648 | return -EINVAL; | |
8649 | ||
8650 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8651 | return -EINVAL; | |
8652 | ||
8653 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
8654 | return -EINVAL; | |
8655 | ||
4c476991 JB |
8656 | if (!rdev->ops->deauth) |
8657 | return -EOPNOTSUPP; | |
636a5d36 | 8658 | |
074ac8df | 8659 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8660 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8661 | return -EOPNOTSUPP; | |
eec60b03 | 8662 | |
19957bb3 | 8663 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 8664 | |
19957bb3 JB |
8665 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
8666 | if (reason_code == 0) { | |
f4a11bb0 | 8667 | /* Reason Code 0 is reserved */ |
4c476991 | 8668 | return -EINVAL; |
255e737e | 8669 | } |
636a5d36 JM |
8670 | |
8671 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
8672 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8673 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8674 | } |
8675 | ||
d5cdfacb JM |
8676 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
8677 | ||
91bf9b26 JB |
8678 | wdev_lock(dev->ieee80211_ptr); |
8679 | err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, | |
8680 | local_state_change); | |
8681 | wdev_unlock(dev->ieee80211_ptr); | |
8682 | return err; | |
636a5d36 JM |
8683 | } |
8684 | ||
8685 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
8686 | { | |
4c476991 JB |
8687 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8688 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 8689 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 8690 | int ie_len = 0, err; |
19957bb3 | 8691 | u16 reason_code; |
d5cdfacb | 8692 | bool local_state_change; |
636a5d36 | 8693 | |
bad29297 AZ |
8694 | if (dev->ieee80211_ptr->conn_owner_nlportid && |
8695 | dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid) | |
8696 | return -EPERM; | |
8697 | ||
f4a11bb0 JB |
8698 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8699 | return -EINVAL; | |
8700 | ||
8701 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8702 | return -EINVAL; | |
8703 | ||
8704 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
8705 | return -EINVAL; | |
8706 | ||
4c476991 JB |
8707 | if (!rdev->ops->disassoc) |
8708 | return -EOPNOTSUPP; | |
636a5d36 | 8709 | |
074ac8df | 8710 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8711 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8712 | return -EOPNOTSUPP; | |
eec60b03 | 8713 | |
19957bb3 | 8714 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 8715 | |
19957bb3 JB |
8716 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
8717 | if (reason_code == 0) { | |
f4a11bb0 | 8718 | /* Reason Code 0 is reserved */ |
4c476991 | 8719 | return -EINVAL; |
255e737e | 8720 | } |
636a5d36 JM |
8721 | |
8722 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
8723 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8724 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8725 | } |
8726 | ||
d5cdfacb JM |
8727 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
8728 | ||
91bf9b26 JB |
8729 | wdev_lock(dev->ieee80211_ptr); |
8730 | err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, | |
8731 | local_state_change); | |
8732 | wdev_unlock(dev->ieee80211_ptr); | |
8733 | return err; | |
636a5d36 JM |
8734 | } |
8735 | ||
dd5b4cc7 FF |
8736 | static bool |
8737 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
57fbcce3 | 8738 | int mcast_rate[NUM_NL80211_BANDS], |
dd5b4cc7 FF |
8739 | int rateval) |
8740 | { | |
8741 | struct wiphy *wiphy = &rdev->wiphy; | |
8742 | bool found = false; | |
8743 | int band, i; | |
8744 | ||
57fbcce3 | 8745 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
dd5b4cc7 FF |
8746 | struct ieee80211_supported_band *sband; |
8747 | ||
8748 | sband = wiphy->bands[band]; | |
8749 | if (!sband) | |
8750 | continue; | |
8751 | ||
8752 | for (i = 0; i < sband->n_bitrates; i++) { | |
8753 | if (sband->bitrates[i].bitrate == rateval) { | |
8754 | mcast_rate[band] = i + 1; | |
8755 | found = true; | |
8756 | break; | |
8757 | } | |
8758 | } | |
8759 | } | |
8760 | ||
8761 | return found; | |
8762 | } | |
8763 | ||
04a773ad JB |
8764 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
8765 | { | |
4c476991 JB |
8766 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8767 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
8768 | struct cfg80211_ibss_params ibss; |
8769 | struct wiphy *wiphy; | |
fffd0934 | 8770 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
8771 | int err; |
8772 | ||
8e30bc55 JB |
8773 | memset(&ibss, 0, sizeof(ibss)); |
8774 | ||
04a773ad JB |
8775 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8776 | return -EINVAL; | |
8777 | ||
683b6d3b | 8778 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
8779 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
8780 | return -EINVAL; | |
8781 | ||
8e30bc55 JB |
8782 | ibss.beacon_interval = 100; |
8783 | ||
12d20fc9 | 8784 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) |
8e30bc55 JB |
8785 | ibss.beacon_interval = |
8786 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
12d20fc9 | 8787 | |
0c317a02 PK |
8788 | err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC, |
8789 | ibss.beacon_interval); | |
12d20fc9 PK |
8790 | if (err) |
8791 | return err; | |
8e30bc55 | 8792 | |
4c476991 JB |
8793 | if (!rdev->ops->join_ibss) |
8794 | return -EOPNOTSUPP; | |
04a773ad | 8795 | |
4c476991 JB |
8796 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
8797 | return -EOPNOTSUPP; | |
04a773ad | 8798 | |
79c97e97 | 8799 | wiphy = &rdev->wiphy; |
04a773ad | 8800 | |
39193498 | 8801 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 8802 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
8803 | |
8804 | if (!is_valid_ether_addr(ibss.bssid)) | |
8805 | return -EINVAL; | |
8806 | } | |
04a773ad JB |
8807 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
8808 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
8809 | ||
8810 | if (info->attrs[NL80211_ATTR_IE]) { | |
8811 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8812 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8813 | } | |
8814 | ||
683b6d3b JB |
8815 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
8816 | if (err) | |
8817 | return err; | |
04a773ad | 8818 | |
174e0cd2 IP |
8819 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef, |
8820 | NL80211_IFTYPE_ADHOC)) | |
54858ee5 AS |
8821 | return -EINVAL; |
8822 | ||
2f301ab2 | 8823 | switch (ibss.chandef.width) { |
bf372645 SW |
8824 | case NL80211_CHAN_WIDTH_5: |
8825 | case NL80211_CHAN_WIDTH_10: | |
2f301ab2 SW |
8826 | case NL80211_CHAN_WIDTH_20_NOHT: |
8827 | break; | |
8828 | case NL80211_CHAN_WIDTH_20: | |
8829 | case NL80211_CHAN_WIDTH_40: | |
ffc11991 JD |
8830 | if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) |
8831 | return -EINVAL; | |
8832 | break; | |
8833 | case NL80211_CHAN_WIDTH_80: | |
8834 | case NL80211_CHAN_WIDTH_80P80: | |
8835 | case NL80211_CHAN_WIDTH_160: | |
8836 | if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) | |
8837 | return -EINVAL; | |
8838 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
8839 | NL80211_EXT_FEATURE_VHT_IBSS)) | |
8840 | return -EINVAL; | |
8841 | break; | |
2f301ab2 | 8842 | default: |
c04d6150 | 8843 | return -EINVAL; |
2f301ab2 | 8844 | } |
db9c64cf | 8845 | |
04a773ad | 8846 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
8847 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
8848 | ||
fbd2c8dc TP |
8849 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
8850 | u8 *rates = | |
8851 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8852 | int n_rates = | |
8853 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8854 | struct ieee80211_supported_band *sband = | |
683b6d3b | 8855 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 8856 | |
34850ab2 JB |
8857 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
8858 | &ibss.basic_rates); | |
8859 | if (err) | |
8860 | return err; | |
fbd2c8dc | 8861 | } |
dd5b4cc7 | 8862 | |
803768f5 SW |
8863 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
8864 | memcpy(&ibss.ht_capa_mask, | |
8865 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
8866 | sizeof(ibss.ht_capa_mask)); | |
8867 | ||
8868 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
8869 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
8870 | return -EINVAL; | |
8871 | memcpy(&ibss.ht_capa, | |
8872 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
8873 | sizeof(ibss.ht_capa)); | |
8874 | } | |
8875 | ||
dd5b4cc7 FF |
8876 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
8877 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
8878 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
8879 | return -EINVAL; | |
fbd2c8dc | 8880 | |
4c476991 | 8881 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
8882 | bool no_ht = false; |
8883 | ||
768075eb | 8884 | connkeys = nl80211_parse_connkeys(rdev, info, &no_ht); |
4c476991 JB |
8885 | if (IS_ERR(connkeys)) |
8886 | return PTR_ERR(connkeys); | |
de7044ee | 8887 | |
3d9d1d66 JB |
8888 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
8889 | no_ht) { | |
5e950a78 | 8890 | kzfree(connkeys); |
de7044ee SM |
8891 | return -EINVAL; |
8892 | } | |
4c476991 | 8893 | } |
04a773ad | 8894 | |
267335d6 AQ |
8895 | ibss.control_port = |
8896 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
8897 | ||
c3bfe1f6 DK |
8898 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) { |
8899 | int r = validate_pae_over_nl80211(rdev, info); | |
8900 | ||
8901 | if (r < 0) | |
8902 | return r; | |
8903 | ||
8904 | ibss.control_port_over_nl80211 = true; | |
8905 | } | |
8906 | ||
5336fa88 SW |
8907 | ibss.userspace_handles_dfs = |
8908 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
8909 | ||
f8d16d3e DK |
8910 | wdev_lock(dev->ieee80211_ptr); |
8911 | err = __cfg80211_join_ibss(rdev, dev, &ibss, connkeys); | |
fffd0934 | 8912 | if (err) |
b47f610b | 8913 | kzfree(connkeys); |
f8d16d3e DK |
8914 | else if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
8915 | dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid; | |
8916 | wdev_unlock(dev->ieee80211_ptr); | |
8917 | ||
04a773ad JB |
8918 | return err; |
8919 | } | |
8920 | ||
8921 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
8922 | { | |
4c476991 JB |
8923 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8924 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 8925 | |
4c476991 JB |
8926 | if (!rdev->ops->leave_ibss) |
8927 | return -EOPNOTSUPP; | |
04a773ad | 8928 | |
4c476991 JB |
8929 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
8930 | return -EOPNOTSUPP; | |
04a773ad | 8931 | |
4c476991 | 8932 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
8933 | } |
8934 | ||
f4e583c8 AQ |
8935 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
8936 | { | |
8937 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8938 | struct net_device *dev = info->user_ptr[1]; | |
57fbcce3 | 8939 | int mcast_rate[NUM_NL80211_BANDS]; |
f4e583c8 AQ |
8940 | u32 nla_rate; |
8941 | int err; | |
8942 | ||
8943 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
876dc930 BVB |
8944 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
8945 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB) | |
f4e583c8 AQ |
8946 | return -EOPNOTSUPP; |
8947 | ||
8948 | if (!rdev->ops->set_mcast_rate) | |
8949 | return -EOPNOTSUPP; | |
8950 | ||
8951 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
8952 | ||
8953 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
8954 | return -EINVAL; | |
8955 | ||
8956 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
8957 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
8958 | return -EINVAL; | |
8959 | ||
a1056b1b | 8960 | err = rdev_set_mcast_rate(rdev, dev, mcast_rate); |
f4e583c8 AQ |
8961 | |
8962 | return err; | |
8963 | } | |
8964 | ||
ad7e718c JB |
8965 | static struct sk_buff * |
8966 | __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev, | |
6c09e791 AK |
8967 | struct wireless_dev *wdev, int approxlen, |
8968 | u32 portid, u32 seq, enum nl80211_commands cmd, | |
567ffc35 JB |
8969 | enum nl80211_attrs attr, |
8970 | const struct nl80211_vendor_cmd_info *info, | |
8971 | gfp_t gfp) | |
ad7e718c JB |
8972 | { |
8973 | struct sk_buff *skb; | |
8974 | void *hdr; | |
8975 | struct nlattr *data; | |
8976 | ||
8977 | skb = nlmsg_new(approxlen + 100, gfp); | |
8978 | if (!skb) | |
8979 | return NULL; | |
8980 | ||
8981 | hdr = nl80211hdr_put(skb, portid, seq, 0, cmd); | |
8982 | if (!hdr) { | |
8983 | kfree_skb(skb); | |
8984 | return NULL; | |
8985 | } | |
8986 | ||
8987 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
8988 | goto nla_put_failure; | |
567ffc35 JB |
8989 | |
8990 | if (info) { | |
8991 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID, | |
8992 | info->vendor_id)) | |
8993 | goto nla_put_failure; | |
8994 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD, | |
8995 | info->subcmd)) | |
8996 | goto nla_put_failure; | |
8997 | } | |
8998 | ||
6c09e791 | 8999 | if (wdev) { |
2dad624e ND |
9000 | if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV, |
9001 | wdev_id(wdev), NL80211_ATTR_PAD)) | |
6c09e791 AK |
9002 | goto nla_put_failure; |
9003 | if (wdev->netdev && | |
9004 | nla_put_u32(skb, NL80211_ATTR_IFINDEX, | |
9005 | wdev->netdev->ifindex)) | |
9006 | goto nla_put_failure; | |
9007 | } | |
9008 | ||
ad7e718c | 9009 | data = nla_nest_start(skb, attr); |
76e1fb4b JB |
9010 | if (!data) |
9011 | goto nla_put_failure; | |
ad7e718c JB |
9012 | |
9013 | ((void **)skb->cb)[0] = rdev; | |
9014 | ((void **)skb->cb)[1] = hdr; | |
9015 | ((void **)skb->cb)[2] = data; | |
9016 | ||
9017 | return skb; | |
9018 | ||
9019 | nla_put_failure: | |
9020 | kfree_skb(skb); | |
9021 | return NULL; | |
9022 | } | |
f4e583c8 | 9023 | |
e03ad6ea | 9024 | struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, |
6c09e791 | 9025 | struct wireless_dev *wdev, |
e03ad6ea JB |
9026 | enum nl80211_commands cmd, |
9027 | enum nl80211_attrs attr, | |
9028 | int vendor_event_idx, | |
9029 | int approxlen, gfp_t gfp) | |
9030 | { | |
f26cbf40 | 9031 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
e03ad6ea JB |
9032 | const struct nl80211_vendor_cmd_info *info; |
9033 | ||
9034 | switch (cmd) { | |
9035 | case NL80211_CMD_TESTMODE: | |
9036 | if (WARN_ON(vendor_event_idx != -1)) | |
9037 | return NULL; | |
9038 | info = NULL; | |
9039 | break; | |
9040 | case NL80211_CMD_VENDOR: | |
9041 | if (WARN_ON(vendor_event_idx < 0 || | |
9042 | vendor_event_idx >= wiphy->n_vendor_events)) | |
9043 | return NULL; | |
9044 | info = &wiphy->vendor_events[vendor_event_idx]; | |
9045 | break; | |
9046 | default: | |
9047 | WARN_ON(1); | |
9048 | return NULL; | |
9049 | } | |
9050 | ||
6c09e791 | 9051 | return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, 0, 0, |
e03ad6ea JB |
9052 | cmd, attr, info, gfp); |
9053 | } | |
9054 | EXPORT_SYMBOL(__cfg80211_alloc_event_skb); | |
9055 | ||
9056 | void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp) | |
9057 | { | |
9058 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
9059 | void *hdr = ((void **)skb->cb)[1]; | |
9060 | struct nlattr *data = ((void **)skb->cb)[2]; | |
9061 | enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE; | |
9062 | ||
bd8c78e7 JB |
9063 | /* clear CB data for netlink core to own from now on */ |
9064 | memset(skb->cb, 0, sizeof(skb->cb)); | |
9065 | ||
e03ad6ea JB |
9066 | nla_nest_end(skb, data); |
9067 | genlmsg_end(skb, hdr); | |
9068 | ||
9069 | if (data->nla_type == NL80211_ATTR_VENDOR_DATA) | |
9070 | mcgrp = NL80211_MCGRP_VENDOR; | |
9071 | ||
9072 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0, | |
9073 | mcgrp, gfp); | |
9074 | } | |
9075 | EXPORT_SYMBOL(__cfg80211_send_event_skb); | |
9076 | ||
aff89a9b | 9077 | #ifdef CONFIG_NL80211_TESTMODE |
aff89a9b JB |
9078 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) |
9079 | { | |
4c476991 | 9080 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fc73f11f DS |
9081 | struct wireless_dev *wdev = |
9082 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
aff89a9b JB |
9083 | int err; |
9084 | ||
fc73f11f DS |
9085 | if (!rdev->ops->testmode_cmd) |
9086 | return -EOPNOTSUPP; | |
9087 | ||
9088 | if (IS_ERR(wdev)) { | |
9089 | err = PTR_ERR(wdev); | |
9090 | if (err != -EINVAL) | |
9091 | return err; | |
9092 | wdev = NULL; | |
9093 | } else if (wdev->wiphy != &rdev->wiphy) { | |
9094 | return -EINVAL; | |
9095 | } | |
9096 | ||
aff89a9b JB |
9097 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
9098 | return -EINVAL; | |
9099 | ||
ad7e718c | 9100 | rdev->cur_cmd_info = info; |
fc73f11f | 9101 | err = rdev_testmode_cmd(rdev, wdev, |
aff89a9b JB |
9102 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
9103 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
ad7e718c | 9104 | rdev->cur_cmd_info = NULL; |
aff89a9b | 9105 | |
aff89a9b JB |
9106 | return err; |
9107 | } | |
9108 | ||
71063f0e WYG |
9109 | static int nl80211_testmode_dump(struct sk_buff *skb, |
9110 | struct netlink_callback *cb) | |
9111 | { | |
00918d33 | 9112 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
9113 | int err; |
9114 | long phy_idx; | |
9115 | void *data = NULL; | |
9116 | int data_len = 0; | |
9117 | ||
5fe231e8 JB |
9118 | rtnl_lock(); |
9119 | ||
71063f0e WYG |
9120 | if (cb->args[0]) { |
9121 | /* | |
9122 | * 0 is a valid index, but not valid for args[0], | |
9123 | * so we need to offset by 1. | |
9124 | */ | |
9125 | phy_idx = cb->args[0] - 1; | |
a4956dca LC |
9126 | |
9127 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); | |
9128 | if (!rdev) { | |
9129 | err = -ENOENT; | |
9130 | goto out_err; | |
9131 | } | |
71063f0e | 9132 | } else { |
c90c39da JB |
9133 | struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); |
9134 | ||
71063f0e | 9135 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, |
fceb6435 JB |
9136 | attrbuf, nl80211_fam.maxattr, |
9137 | nl80211_policy, NULL); | |
71063f0e | 9138 | if (err) |
5fe231e8 | 9139 | goto out_err; |
00918d33 | 9140 | |
c90c39da | 9141 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf); |
2bd7e35d | 9142 | if (IS_ERR(rdev)) { |
5fe231e8 JB |
9143 | err = PTR_ERR(rdev); |
9144 | goto out_err; | |
00918d33 | 9145 | } |
2bd7e35d | 9146 | phy_idx = rdev->wiphy_idx; |
2bd7e35d | 9147 | |
c90c39da JB |
9148 | if (attrbuf[NL80211_ATTR_TESTDATA]) |
9149 | cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA]; | |
71063f0e WYG |
9150 | } |
9151 | ||
9152 | if (cb->args[1]) { | |
9153 | data = nla_data((void *)cb->args[1]); | |
9154 | data_len = nla_len((void *)cb->args[1]); | |
9155 | } | |
9156 | ||
00918d33 | 9157 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
9158 | err = -EOPNOTSUPP; |
9159 | goto out_err; | |
9160 | } | |
9161 | ||
9162 | while (1) { | |
15e47304 | 9163 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
9164 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
9165 | NL80211_CMD_TESTMODE); | |
9166 | struct nlattr *tmdata; | |
9167 | ||
cb35fba3 DC |
9168 | if (!hdr) |
9169 | break; | |
9170 | ||
9360ffd1 | 9171 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
9172 | genlmsg_cancel(skb, hdr); |
9173 | break; | |
9174 | } | |
9175 | ||
9176 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
9177 | if (!tmdata) { | |
9178 | genlmsg_cancel(skb, hdr); | |
9179 | break; | |
9180 | } | |
e35e4d28 | 9181 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
9182 | nla_nest_end(skb, tmdata); |
9183 | ||
9184 | if (err == -ENOBUFS || err == -ENOENT) { | |
9185 | genlmsg_cancel(skb, hdr); | |
9186 | break; | |
9187 | } else if (err) { | |
9188 | genlmsg_cancel(skb, hdr); | |
9189 | goto out_err; | |
9190 | } | |
9191 | ||
9192 | genlmsg_end(skb, hdr); | |
9193 | } | |
9194 | ||
9195 | err = skb->len; | |
9196 | /* see above */ | |
9197 | cb->args[0] = phy_idx + 1; | |
9198 | out_err: | |
5fe231e8 | 9199 | rtnl_unlock(); |
71063f0e WYG |
9200 | return err; |
9201 | } | |
aff89a9b JB |
9202 | #endif |
9203 | ||
b23aa676 SO |
9204 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
9205 | { | |
4c476991 JB |
9206 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
9207 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
9208 | struct cfg80211_connect_params connect; |
9209 | struct wiphy *wiphy; | |
fffd0934 | 9210 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
9211 | int err; |
9212 | ||
9213 | memset(&connect, 0, sizeof(connect)); | |
9214 | ||
9215 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
9216 | return -EINVAL; | |
9217 | ||
9218 | if (!info->attrs[NL80211_ATTR_SSID] || | |
9219 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
9220 | return -EINVAL; | |
9221 | ||
9222 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
9223 | connect.auth_type = | |
9224 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
9225 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
9226 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
9227 | return -EINVAL; |
9228 | } else | |
9229 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
9230 | ||
9231 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
9232 | ||
3a00df57 AS |
9233 | if (info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS] && |
9234 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
9235 | NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X)) | |
9236 | return -EINVAL; | |
9237 | connect.want_1x = info->attrs[NL80211_ATTR_WANT_1X_4WAY_HS]; | |
9238 | ||
c0692b8f | 9239 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 9240 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
9241 | if (err) |
9242 | return err; | |
b23aa676 | 9243 | |
074ac8df | 9244 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
9245 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
9246 | return -EOPNOTSUPP; | |
b23aa676 | 9247 | |
79c97e97 | 9248 | wiphy = &rdev->wiphy; |
b23aa676 | 9249 | |
4486ea98 BS |
9250 | connect.bg_scan_period = -1; |
9251 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
9252 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
9253 | connect.bg_scan_period = | |
9254 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
9255 | } | |
9256 | ||
b23aa676 SO |
9257 | if (info->attrs[NL80211_ATTR_MAC]) |
9258 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1df4a510 JM |
9259 | else if (info->attrs[NL80211_ATTR_MAC_HINT]) |
9260 | connect.bssid_hint = | |
9261 | nla_data(info->attrs[NL80211_ATTR_MAC_HINT]); | |
b23aa676 SO |
9262 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
9263 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
9264 | ||
9265 | if (info->attrs[NL80211_ATTR_IE]) { | |
9266 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
9267 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
9268 | } | |
9269 | ||
cee00a95 JM |
9270 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
9271 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
65026002 EG |
9272 | if (connect.mfp == NL80211_MFP_OPTIONAL && |
9273 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
9274 | NL80211_EXT_FEATURE_MFP_OPTIONAL)) | |
9275 | return -EOPNOTSUPP; | |
9276 | ||
cee00a95 | 9277 | if (connect.mfp != NL80211_MFP_REQUIRED && |
65026002 EG |
9278 | connect.mfp != NL80211_MFP_NO && |
9279 | connect.mfp != NL80211_MFP_OPTIONAL) | |
cee00a95 JM |
9280 | return -EINVAL; |
9281 | } else { | |
9282 | connect.mfp = NL80211_MFP_NO; | |
9283 | } | |
9284 | ||
ba6fbacf JM |
9285 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
9286 | connect.prev_bssid = | |
9287 | nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); | |
9288 | ||
b23aa676 | 9289 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
664834de JM |
9290 | connect.channel = nl80211_get_valid_chan( |
9291 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
9292 | if (!connect.channel) | |
1df4a510 JM |
9293 | return -EINVAL; |
9294 | } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) { | |
664834de JM |
9295 | connect.channel_hint = nl80211_get_valid_chan( |
9296 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]); | |
9297 | if (!connect.channel_hint) | |
4c476991 | 9298 | return -EINVAL; |
b23aa676 SO |
9299 | } |
9300 | ||
fffd0934 | 9301 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
768075eb | 9302 | connkeys = nl80211_parse_connkeys(rdev, info, NULL); |
4c476991 JB |
9303 | if (IS_ERR(connkeys)) |
9304 | return PTR_ERR(connkeys); | |
fffd0934 JB |
9305 | } |
9306 | ||
7e7c8926 BG |
9307 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
9308 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
9309 | ||
9310 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
9311 | memcpy(&connect.ht_capa_mask, | |
9312 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
9313 | sizeof(connect.ht_capa_mask)); | |
9314 | ||
9315 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e | 9316 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
b47f610b | 9317 | kzfree(connkeys); |
7e7c8926 | 9318 | return -EINVAL; |
b4e4f47e | 9319 | } |
7e7c8926 BG |
9320 | memcpy(&connect.ht_capa, |
9321 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
9322 | sizeof(connect.ht_capa)); | |
9323 | } | |
9324 | ||
ee2aca34 JB |
9325 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
9326 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
9327 | ||
9328 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
9329 | memcpy(&connect.vht_capa_mask, | |
9330 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
9331 | sizeof(connect.vht_capa_mask)); | |
9332 | ||
9333 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
9334 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
b47f610b | 9335 | kzfree(connkeys); |
ee2aca34 JB |
9336 | return -EINVAL; |
9337 | } | |
9338 | memcpy(&connect.vht_capa, | |
9339 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
9340 | sizeof(connect.vht_capa)); | |
9341 | } | |
9342 | ||
bab5ab7d | 9343 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
0c9ca11b BL |
9344 | if (!((rdev->wiphy.features & |
9345 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) && | |
9346 | (rdev->wiphy.features & NL80211_FEATURE_QUIET)) && | |
9347 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
9348 | NL80211_EXT_FEATURE_RRM)) { | |
707554b4 | 9349 | kzfree(connkeys); |
bab5ab7d | 9350 | return -EINVAL; |
707554b4 | 9351 | } |
bab5ab7d AK |
9352 | connect.flags |= ASSOC_REQ_USE_RRM; |
9353 | } | |
9354 | ||
34d50519 | 9355 | connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]); |
57fbcce3 | 9356 | if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) { |
34d50519 LD |
9357 | kzfree(connkeys); |
9358 | return -EOPNOTSUPP; | |
9359 | } | |
9360 | ||
38de03d2 AS |
9361 | if (info->attrs[NL80211_ATTR_BSS_SELECT]) { |
9362 | /* bss selection makes no sense if bssid is set */ | |
9363 | if (connect.bssid) { | |
9364 | kzfree(connkeys); | |
9365 | return -EINVAL; | |
9366 | } | |
9367 | ||
9368 | err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT], | |
9369 | wiphy, &connect.bss_select); | |
9370 | if (err) { | |
9371 | kzfree(connkeys); | |
9372 | return err; | |
9373 | } | |
9374 | } | |
9375 | ||
a3caf744 VK |
9376 | if (wiphy_ext_feature_isset(&rdev->wiphy, |
9377 | NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) && | |
9378 | info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] && | |
9379 | info->attrs[NL80211_ATTR_FILS_ERP_REALM] && | |
9380 | info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] && | |
9381 | info->attrs[NL80211_ATTR_FILS_ERP_RRK]) { | |
9382 | connect.fils_erp_username = | |
9383 | nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]); | |
9384 | connect.fils_erp_username_len = | |
9385 | nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]); | |
9386 | connect.fils_erp_realm = | |
9387 | nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]); | |
9388 | connect.fils_erp_realm_len = | |
9389 | nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]); | |
9390 | connect.fils_erp_next_seq_num = | |
9391 | nla_get_u16( | |
9392 | info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]); | |
9393 | connect.fils_erp_rrk = | |
9394 | nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]); | |
9395 | connect.fils_erp_rrk_len = | |
9396 | nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]); | |
9397 | } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] || | |
9398 | info->attrs[NL80211_ATTR_FILS_ERP_REALM] || | |
9399 | info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] || | |
9400 | info->attrs[NL80211_ATTR_FILS_ERP_RRK]) { | |
9401 | kzfree(connkeys); | |
9402 | return -EINVAL; | |
9403 | } | |
9404 | ||
40cbfa90 SD |
9405 | if (nla_get_flag(info->attrs[NL80211_ATTR_EXTERNAL_AUTH_SUPPORT])) { |
9406 | if (!info->attrs[NL80211_ATTR_SOCKET_OWNER]) { | |
2f0605a6 | 9407 | kzfree(connkeys); |
40cbfa90 SD |
9408 | GENL_SET_ERR_MSG(info, |
9409 | "external auth requires connection ownership"); | |
9410 | return -EINVAL; | |
9411 | } | |
9412 | connect.flags |= CONNECT_REQ_EXTERNAL_AUTH_SUPPORT; | |
9413 | } | |
9414 | ||
83739b03 | 9415 | wdev_lock(dev->ieee80211_ptr); |
bd2522b1 | 9416 | |
4ce2bd9c JM |
9417 | err = cfg80211_connect(rdev, dev, &connect, connkeys, |
9418 | connect.prev_bssid); | |
fffd0934 | 9419 | if (err) |
b47f610b | 9420 | kzfree(connkeys); |
bd2522b1 AZ |
9421 | |
9422 | if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) { | |
9423 | dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid; | |
9424 | if (connect.bssid) | |
9425 | memcpy(dev->ieee80211_ptr->disconnect_bssid, | |
9426 | connect.bssid, ETH_ALEN); | |
9427 | else | |
9428 | memset(dev->ieee80211_ptr->disconnect_bssid, | |
9429 | 0, ETH_ALEN); | |
9430 | } | |
9431 | ||
9432 | wdev_unlock(dev->ieee80211_ptr); | |
9433 | ||
b23aa676 SO |
9434 | return err; |
9435 | } | |
9436 | ||
088e8df8 | 9437 | static int nl80211_update_connect_params(struct sk_buff *skb, |
9438 | struct genl_info *info) | |
9439 | { | |
9440 | struct cfg80211_connect_params connect = {}; | |
9441 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9442 | struct net_device *dev = info->user_ptr[1]; | |
9443 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7f9a3e15 VK |
9444 | bool fils_sk_offload; |
9445 | u32 auth_type; | |
088e8df8 | 9446 | u32 changed = 0; |
9447 | int ret; | |
9448 | ||
9449 | if (!rdev->ops->update_connect_params) | |
9450 | return -EOPNOTSUPP; | |
9451 | ||
9452 | if (info->attrs[NL80211_ATTR_IE]) { | |
9453 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
9454 | return -EINVAL; | |
9455 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
9456 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
9457 | changed |= UPDATE_ASSOC_IES; | |
9458 | } | |
9459 | ||
7f9a3e15 VK |
9460 | fils_sk_offload = wiphy_ext_feature_isset(&rdev->wiphy, |
9461 | NL80211_EXT_FEATURE_FILS_SK_OFFLOAD); | |
9462 | ||
9463 | /* | |
9464 | * when driver supports fils-sk offload all attributes must be | |
9465 | * provided. So the else covers "fils-sk-not-all" and | |
9466 | * "no-fils-sk-any". | |
9467 | */ | |
9468 | if (fils_sk_offload && | |
9469 | info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] && | |
9470 | info->attrs[NL80211_ATTR_FILS_ERP_REALM] && | |
9471 | info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] && | |
9472 | info->attrs[NL80211_ATTR_FILS_ERP_RRK]) { | |
9473 | connect.fils_erp_username = | |
9474 | nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]); | |
9475 | connect.fils_erp_username_len = | |
9476 | nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]); | |
9477 | connect.fils_erp_realm = | |
9478 | nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]); | |
9479 | connect.fils_erp_realm_len = | |
9480 | nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]); | |
9481 | connect.fils_erp_next_seq_num = | |
9482 | nla_get_u16( | |
9483 | info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]); | |
9484 | connect.fils_erp_rrk = | |
9485 | nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]); | |
9486 | connect.fils_erp_rrk_len = | |
9487 | nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]); | |
9488 | changed |= UPDATE_FILS_ERP_INFO; | |
9489 | } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] || | |
9490 | info->attrs[NL80211_ATTR_FILS_ERP_REALM] || | |
9491 | info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] || | |
9492 | info->attrs[NL80211_ATTR_FILS_ERP_RRK]) { | |
9493 | return -EINVAL; | |
9494 | } | |
9495 | ||
9496 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
9497 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
9498 | if (!nl80211_valid_auth_type(rdev, auth_type, | |
9499 | NL80211_CMD_CONNECT)) | |
9500 | return -EINVAL; | |
9501 | ||
9502 | if (auth_type == NL80211_AUTHTYPE_FILS_SK && | |
9503 | fils_sk_offload && !(changed & UPDATE_FILS_ERP_INFO)) | |
9504 | return -EINVAL; | |
9505 | ||
9506 | connect.auth_type = auth_type; | |
9507 | changed |= UPDATE_AUTH_TYPE; | |
9508 | } | |
9509 | ||
088e8df8 | 9510 | wdev_lock(dev->ieee80211_ptr); |
9511 | if (!wdev->current_bss) | |
9512 | ret = -ENOLINK; | |
9513 | else | |
9514 | ret = rdev_update_connect_params(rdev, dev, &connect, changed); | |
9515 | wdev_unlock(dev->ieee80211_ptr); | |
9516 | ||
9517 | return ret; | |
9518 | } | |
9519 | ||
b23aa676 SO |
9520 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) |
9521 | { | |
4c476991 JB |
9522 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
9523 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 | 9524 | u16 reason; |
83739b03 | 9525 | int ret; |
b23aa676 | 9526 | |
bad29297 AZ |
9527 | if (dev->ieee80211_ptr->conn_owner_nlportid && |
9528 | dev->ieee80211_ptr->conn_owner_nlportid != info->snd_portid) | |
9529 | return -EPERM; | |
9530 | ||
b23aa676 SO |
9531 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) |
9532 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
9533 | else | |
9534 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
9535 | ||
9536 | if (reason == 0) | |
9537 | return -EINVAL; | |
9538 | ||
074ac8df | 9539 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
9540 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
9541 | return -EOPNOTSUPP; | |
b23aa676 | 9542 | |
83739b03 JB |
9543 | wdev_lock(dev->ieee80211_ptr); |
9544 | ret = cfg80211_disconnect(rdev, dev, reason, true); | |
9545 | wdev_unlock(dev->ieee80211_ptr); | |
9546 | return ret; | |
b23aa676 SO |
9547 | } |
9548 | ||
463d0183 JB |
9549 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
9550 | { | |
4c476991 | 9551 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
9552 | struct net *net; |
9553 | int err; | |
463d0183 | 9554 | |
4b681c82 VK |
9555 | if (info->attrs[NL80211_ATTR_PID]) { |
9556 | u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
9557 | ||
9558 | net = get_net_ns_by_pid(pid); | |
9559 | } else if (info->attrs[NL80211_ATTR_NETNS_FD]) { | |
9560 | u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]); | |
463d0183 | 9561 | |
4b681c82 VK |
9562 | net = get_net_ns_by_fd(fd); |
9563 | } else { | |
9564 | return -EINVAL; | |
9565 | } | |
463d0183 | 9566 | |
4c476991 JB |
9567 | if (IS_ERR(net)) |
9568 | return PTR_ERR(net); | |
463d0183 JB |
9569 | |
9570 | err = 0; | |
9571 | ||
9572 | /* check if anything to do */ | |
4c476991 JB |
9573 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
9574 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 9575 | |
463d0183 | 9576 | put_net(net); |
463d0183 JB |
9577 | return err; |
9578 | } | |
9579 | ||
67fbb16b SO |
9580 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
9581 | { | |
4c476991 | 9582 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
9583 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
9584 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 9585 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
9586 | struct cfg80211_pmksa pmksa; |
9587 | ||
9588 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
9589 | ||
67fbb16b SO |
9590 | if (!info->attrs[NL80211_ATTR_PMKID]) |
9591 | return -EINVAL; | |
9592 | ||
67fbb16b | 9593 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
a3caf744 VK |
9594 | |
9595 | if (info->attrs[NL80211_ATTR_MAC]) { | |
9596 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9597 | } else if (info->attrs[NL80211_ATTR_SSID] && | |
9598 | info->attrs[NL80211_ATTR_FILS_CACHE_ID] && | |
9599 | (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA || | |
9600 | info->attrs[NL80211_ATTR_PMK])) { | |
9601 | pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
9602 | pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
9603 | pmksa.cache_id = | |
9604 | nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]); | |
9605 | } else { | |
9606 | return -EINVAL; | |
9607 | } | |
9608 | if (info->attrs[NL80211_ATTR_PMK]) { | |
9609 | pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]); | |
9610 | pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]); | |
9611 | } | |
67fbb16b | 9612 | |
074ac8df | 9613 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
9614 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
9615 | return -EOPNOTSUPP; | |
67fbb16b SO |
9616 | |
9617 | switch (info->genlhdr->cmd) { | |
9618 | case NL80211_CMD_SET_PMKSA: | |
9619 | rdev_ops = rdev->ops->set_pmksa; | |
9620 | break; | |
9621 | case NL80211_CMD_DEL_PMKSA: | |
9622 | rdev_ops = rdev->ops->del_pmksa; | |
9623 | break; | |
9624 | default: | |
9625 | WARN_ON(1); | |
9626 | break; | |
9627 | } | |
9628 | ||
4c476991 JB |
9629 | if (!rdev_ops) |
9630 | return -EOPNOTSUPP; | |
67fbb16b | 9631 | |
4c476991 | 9632 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
9633 | } |
9634 | ||
9635 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
9636 | { | |
4c476991 JB |
9637 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
9638 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 9639 | |
074ac8df | 9640 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
9641 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
9642 | return -EOPNOTSUPP; | |
67fbb16b | 9643 | |
4c476991 JB |
9644 | if (!rdev->ops->flush_pmksa) |
9645 | return -EOPNOTSUPP; | |
67fbb16b | 9646 | |
e35e4d28 | 9647 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
9648 | } |
9649 | ||
109086ce AN |
9650 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
9651 | { | |
9652 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9653 | struct net_device *dev = info->user_ptr[1]; | |
9654 | u8 action_code, dialog_token; | |
df942e7b | 9655 | u32 peer_capability = 0; |
109086ce AN |
9656 | u16 status_code; |
9657 | u8 *peer; | |
31fa97c5 | 9658 | bool initiator; |
109086ce AN |
9659 | |
9660 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
9661 | !rdev->ops->tdls_mgmt) | |
9662 | return -EOPNOTSUPP; | |
9663 | ||
9664 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
9665 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
9666 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
9667 | !info->attrs[NL80211_ATTR_IE] || | |
9668 | !info->attrs[NL80211_ATTR_MAC]) | |
9669 | return -EINVAL; | |
9670 | ||
9671 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9672 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
9673 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
9674 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
31fa97c5 | 9675 | initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]); |
df942e7b SDU |
9676 | if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]) |
9677 | peer_capability = | |
9678 | nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]); | |
109086ce | 9679 | |
e35e4d28 | 9680 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
df942e7b | 9681 | dialog_token, status_code, peer_capability, |
31fa97c5 | 9682 | initiator, |
e35e4d28 HG |
9683 | nla_data(info->attrs[NL80211_ATTR_IE]), |
9684 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
9685 | } |
9686 | ||
9687 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
9688 | { | |
9689 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9690 | struct net_device *dev = info->user_ptr[1]; | |
9691 | enum nl80211_tdls_operation operation; | |
9692 | u8 *peer; | |
9693 | ||
9694 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
9695 | !rdev->ops->tdls_oper) | |
9696 | return -EOPNOTSUPP; | |
9697 | ||
9698 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
9699 | !info->attrs[NL80211_ATTR_MAC]) | |
9700 | return -EINVAL; | |
9701 | ||
9702 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
9703 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9704 | ||
e35e4d28 | 9705 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
9706 | } |
9707 | ||
9588bbd5 JM |
9708 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
9709 | struct genl_info *info) | |
9710 | { | |
4c476991 | 9711 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9712 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 9713 | struct cfg80211_chan_def chandef; |
34373d12 | 9714 | const struct cfg80211_chan_def *compat_chandef; |
9588bbd5 JM |
9715 | struct sk_buff *msg; |
9716 | void *hdr; | |
9717 | u64 cookie; | |
683b6d3b | 9718 | u32 duration; |
9588bbd5 JM |
9719 | int err; |
9720 | ||
9721 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
9722 | !info->attrs[NL80211_ATTR_DURATION]) | |
9723 | return -EINVAL; | |
9724 | ||
9725 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
9726 | ||
ebf348fc JB |
9727 | if (!rdev->ops->remain_on_channel || |
9728 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
9729 | return -EOPNOTSUPP; | |
9730 | ||
9588bbd5 | 9731 | /* |
ebf348fc JB |
9732 | * We should be on that channel for at least a minimum amount of |
9733 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 9734 | */ |
ebf348fc | 9735 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 9736 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
9737 | return -EINVAL; |
9738 | ||
683b6d3b JB |
9739 | err = nl80211_parse_chandef(rdev, info, &chandef); |
9740 | if (err) | |
9741 | return err; | |
9588bbd5 | 9742 | |
34373d12 VT |
9743 | wdev_lock(wdev); |
9744 | if (!cfg80211_off_channel_oper_allowed(wdev) && | |
9745 | !cfg80211_chandef_identical(&wdev->chandef, &chandef)) { | |
9746 | compat_chandef = cfg80211_chandef_compatible(&wdev->chandef, | |
9747 | &chandef); | |
9748 | if (compat_chandef != &chandef) { | |
9749 | wdev_unlock(wdev); | |
9750 | return -EBUSY; | |
9751 | } | |
9752 | } | |
9753 | wdev_unlock(wdev); | |
9754 | ||
9588bbd5 | 9755 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
9756 | if (!msg) |
9757 | return -ENOMEM; | |
9588bbd5 | 9758 | |
15e47304 | 9759 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 | 9760 | NL80211_CMD_REMAIN_ON_CHANNEL); |
cb35fba3 DC |
9761 | if (!hdr) { |
9762 | err = -ENOBUFS; | |
9588bbd5 JM |
9763 | goto free_msg; |
9764 | } | |
9765 | ||
683b6d3b JB |
9766 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
9767 | duration, &cookie); | |
9588bbd5 JM |
9768 | |
9769 | if (err) | |
9770 | goto free_msg; | |
9771 | ||
2dad624e ND |
9772 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
9773 | NL80211_ATTR_PAD)) | |
9360ffd1 | 9774 | goto nla_put_failure; |
9588bbd5 JM |
9775 | |
9776 | genlmsg_end(msg, hdr); | |
4c476991 JB |
9777 | |
9778 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
9779 | |
9780 | nla_put_failure: | |
9781 | err = -ENOBUFS; | |
9782 | free_msg: | |
9783 | nlmsg_free(msg); | |
9588bbd5 JM |
9784 | return err; |
9785 | } | |
9786 | ||
9787 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
9788 | struct genl_info *info) | |
9789 | { | |
4c476991 | 9790 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9791 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 9792 | u64 cookie; |
9588bbd5 JM |
9793 | |
9794 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
9795 | return -EINVAL; | |
9796 | ||
4c476991 JB |
9797 | if (!rdev->ops->cancel_remain_on_channel) |
9798 | return -EOPNOTSUPP; | |
9588bbd5 | 9799 | |
9588bbd5 JM |
9800 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
9801 | ||
e35e4d28 | 9802 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
9803 | } |
9804 | ||
13ae75b1 JM |
9805 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, |
9806 | struct genl_info *info) | |
9807 | { | |
13ae75b1 | 9808 | struct cfg80211_bitrate_mask mask; |
a7c7fbff | 9809 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 9810 | struct net_device *dev = info->user_ptr[1]; |
a7c7fbff | 9811 | int err; |
13ae75b1 | 9812 | |
4c476991 JB |
9813 | if (!rdev->ops->set_bitrate_mask) |
9814 | return -EOPNOTSUPP; | |
13ae75b1 | 9815 | |
a7c7fbff PK |
9816 | err = nl80211_parse_tx_bitrate_mask(info, &mask); |
9817 | if (err) | |
9818 | return err; | |
13ae75b1 | 9819 | |
e35e4d28 | 9820 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
9821 | } |
9822 | ||
2e161f78 | 9823 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 9824 | { |
4c476991 | 9825 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9826 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 9827 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
9828 | |
9829 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
9830 | return -EINVAL; | |
9831 | ||
2e161f78 JB |
9832 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
9833 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 9834 | |
71bbc994 JB |
9835 | switch (wdev->iftype) { |
9836 | case NL80211_IFTYPE_STATION: | |
9837 | case NL80211_IFTYPE_ADHOC: | |
9838 | case NL80211_IFTYPE_P2P_CLIENT: | |
9839 | case NL80211_IFTYPE_AP: | |
9840 | case NL80211_IFTYPE_AP_VLAN: | |
9841 | case NL80211_IFTYPE_MESH_POINT: | |
9842 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 9843 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 | 9844 | break; |
cb3b7d87 | 9845 | case NL80211_IFTYPE_NAN: |
71bbc994 | 9846 | default: |
4c476991 | 9847 | return -EOPNOTSUPP; |
71bbc994 | 9848 | } |
026331c4 JM |
9849 | |
9850 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
9851 | if (!rdev->ops->mgmt_tx) |
9852 | return -EOPNOTSUPP; | |
026331c4 | 9853 | |
15e47304 | 9854 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
9855 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
9856 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
9857 | } |
9858 | ||
2e161f78 | 9859 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 9860 | { |
4c476991 | 9861 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9862 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 9863 | struct cfg80211_chan_def chandef; |
026331c4 | 9864 | int err; |
d64d373f | 9865 | void *hdr = NULL; |
026331c4 | 9866 | u64 cookie; |
e247bd90 | 9867 | struct sk_buff *msg = NULL; |
b176e629 AO |
9868 | struct cfg80211_mgmt_tx_params params = { |
9869 | .dont_wait_for_ack = | |
9870 | info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK], | |
9871 | }; | |
026331c4 | 9872 | |
683b6d3b | 9873 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
9874 | return -EINVAL; |
9875 | ||
4c476991 JB |
9876 | if (!rdev->ops->mgmt_tx) |
9877 | return -EOPNOTSUPP; | |
026331c4 | 9878 | |
71bbc994 | 9879 | switch (wdev->iftype) { |
ea141b75 AQ |
9880 | case NL80211_IFTYPE_P2P_DEVICE: |
9881 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
9882 | return -EINVAL; | |
71bbc994 JB |
9883 | case NL80211_IFTYPE_STATION: |
9884 | case NL80211_IFTYPE_ADHOC: | |
9885 | case NL80211_IFTYPE_P2P_CLIENT: | |
9886 | case NL80211_IFTYPE_AP: | |
9887 | case NL80211_IFTYPE_AP_VLAN: | |
9888 | case NL80211_IFTYPE_MESH_POINT: | |
9889 | case NL80211_IFTYPE_P2P_GO: | |
9890 | break; | |
cb3b7d87 | 9891 | case NL80211_IFTYPE_NAN: |
71bbc994 | 9892 | default: |
4c476991 | 9893 | return -EOPNOTSUPP; |
71bbc994 | 9894 | } |
026331c4 | 9895 | |
f7ca38df | 9896 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 9897 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df | 9898 | return -EINVAL; |
b176e629 | 9899 | params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); |
ebf348fc JB |
9900 | |
9901 | /* | |
9902 | * We should wait on the channel for at least a minimum amount | |
9903 | * of time (10ms) but no longer than the driver supports. | |
9904 | */ | |
b176e629 AO |
9905 | if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
9906 | params.wait > rdev->wiphy.max_remain_on_channel_duration) | |
ebf348fc | 9907 | return -EINVAL; |
f7ca38df JB |
9908 | } |
9909 | ||
b176e629 | 9910 | params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
f7ca38df | 9911 | |
b176e629 | 9912 | if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7c4ef712 JB |
9913 | return -EINVAL; |
9914 | ||
b176e629 | 9915 | params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
e9f935e3 | 9916 | |
ea141b75 AQ |
9917 | /* get the channel if any has been specified, otherwise pass NULL to |
9918 | * the driver. The latter will use the current one | |
9919 | */ | |
9920 | chandef.chan = NULL; | |
9921 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
9922 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
9923 | if (err) | |
9924 | return err; | |
9925 | } | |
9926 | ||
b176e629 | 9927 | if (!chandef.chan && params.offchan) |
ea141b75 | 9928 | return -EINVAL; |
026331c4 | 9929 | |
34373d12 VT |
9930 | wdev_lock(wdev); |
9931 | if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) { | |
9932 | wdev_unlock(wdev); | |
9933 | return -EBUSY; | |
9934 | } | |
9935 | wdev_unlock(wdev); | |
9936 | ||
34d22ce2 AO |
9937 | params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); |
9938 | params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]); | |
9939 | ||
9940 | if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) { | |
9941 | int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
9942 | int i; | |
9943 | ||
9944 | if (len % sizeof(u16)) | |
9945 | return -EINVAL; | |
9946 | ||
9947 | params.n_csa_offsets = len / sizeof(u16); | |
9948 | params.csa_offsets = | |
9949 | nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
9950 | ||
9951 | /* check that all the offsets fit the frame */ | |
9952 | for (i = 0; i < params.n_csa_offsets; i++) { | |
9953 | if (params.csa_offsets[i] >= params.len) | |
9954 | return -EINVAL; | |
9955 | } | |
9956 | } | |
9957 | ||
b176e629 | 9958 | if (!params.dont_wait_for_ack) { |
e247bd90 JB |
9959 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
9960 | if (!msg) | |
9961 | return -ENOMEM; | |
026331c4 | 9962 | |
15e47304 | 9963 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 9964 | NL80211_CMD_FRAME); |
cb35fba3 DC |
9965 | if (!hdr) { |
9966 | err = -ENOBUFS; | |
e247bd90 JB |
9967 | goto free_msg; |
9968 | } | |
026331c4 | 9969 | } |
e247bd90 | 9970 | |
b176e629 AO |
9971 | params.chan = chandef.chan; |
9972 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie); | |
026331c4 JM |
9973 | if (err) |
9974 | goto free_msg; | |
9975 | ||
e247bd90 | 9976 | if (msg) { |
2dad624e ND |
9977 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
9978 | NL80211_ATTR_PAD)) | |
9360ffd1 | 9979 | goto nla_put_failure; |
026331c4 | 9980 | |
e247bd90 JB |
9981 | genlmsg_end(msg, hdr); |
9982 | return genlmsg_reply(msg, info); | |
9983 | } | |
9984 | ||
9985 | return 0; | |
026331c4 JM |
9986 | |
9987 | nla_put_failure: | |
9988 | err = -ENOBUFS; | |
9989 | free_msg: | |
9990 | nlmsg_free(msg); | |
026331c4 JM |
9991 | return err; |
9992 | } | |
9993 | ||
f7ca38df JB |
9994 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
9995 | { | |
9996 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 9997 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
9998 | u64 cookie; |
9999 | ||
10000 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
10001 | return -EINVAL; | |
10002 | ||
10003 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
10004 | return -EOPNOTSUPP; | |
10005 | ||
71bbc994 JB |
10006 | switch (wdev->iftype) { |
10007 | case NL80211_IFTYPE_STATION: | |
10008 | case NL80211_IFTYPE_ADHOC: | |
10009 | case NL80211_IFTYPE_P2P_CLIENT: | |
10010 | case NL80211_IFTYPE_AP: | |
10011 | case NL80211_IFTYPE_AP_VLAN: | |
10012 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 10013 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 | 10014 | break; |
cb3b7d87 | 10015 | case NL80211_IFTYPE_NAN: |
71bbc994 | 10016 | default: |
f7ca38df | 10017 | return -EOPNOTSUPP; |
71bbc994 | 10018 | } |
f7ca38df JB |
10019 | |
10020 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
10021 | ||
e35e4d28 | 10022 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
10023 | } |
10024 | ||
ffb9eb3d KV |
10025 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
10026 | { | |
4c476991 | 10027 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 10028 | struct wireless_dev *wdev; |
4c476991 | 10029 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
10030 | u8 ps_state; |
10031 | bool state; | |
10032 | int err; | |
10033 | ||
4c476991 JB |
10034 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
10035 | return -EINVAL; | |
ffb9eb3d KV |
10036 | |
10037 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
10038 | ||
4c476991 JB |
10039 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
10040 | return -EINVAL; | |
ffb9eb3d KV |
10041 | |
10042 | wdev = dev->ieee80211_ptr; | |
10043 | ||
4c476991 JB |
10044 | if (!rdev->ops->set_power_mgmt) |
10045 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
10046 | |
10047 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
10048 | ||
10049 | if (state == wdev->ps) | |
4c476991 | 10050 | return 0; |
ffb9eb3d | 10051 | |
e35e4d28 | 10052 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
10053 | if (!err) |
10054 | wdev->ps = state; | |
ffb9eb3d KV |
10055 | return err; |
10056 | } | |
10057 | ||
10058 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
10059 | { | |
4c476991 | 10060 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
10061 | enum nl80211_ps_state ps_state; |
10062 | struct wireless_dev *wdev; | |
4c476991 | 10063 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
10064 | struct sk_buff *msg; |
10065 | void *hdr; | |
10066 | int err; | |
10067 | ||
ffb9eb3d KV |
10068 | wdev = dev->ieee80211_ptr; |
10069 | ||
4c476991 JB |
10070 | if (!rdev->ops->set_power_mgmt) |
10071 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
10072 | |
10073 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
10074 | if (!msg) |
10075 | return -ENOMEM; | |
ffb9eb3d | 10076 | |
15e47304 | 10077 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
10078 | NL80211_CMD_GET_POWER_SAVE); |
10079 | if (!hdr) { | |
4c476991 | 10080 | err = -ENOBUFS; |
ffb9eb3d KV |
10081 | goto free_msg; |
10082 | } | |
10083 | ||
10084 | if (wdev->ps) | |
10085 | ps_state = NL80211_PS_ENABLED; | |
10086 | else | |
10087 | ps_state = NL80211_PS_DISABLED; | |
10088 | ||
9360ffd1 DM |
10089 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
10090 | goto nla_put_failure; | |
ffb9eb3d KV |
10091 | |
10092 | genlmsg_end(msg, hdr); | |
4c476991 | 10093 | return genlmsg_reply(msg, info); |
ffb9eb3d | 10094 | |
4c476991 | 10095 | nla_put_failure: |
ffb9eb3d | 10096 | err = -ENOBUFS; |
4c476991 | 10097 | free_msg: |
ffb9eb3d | 10098 | nlmsg_free(msg); |
ffb9eb3d KV |
10099 | return err; |
10100 | } | |
10101 | ||
94e860f1 JB |
10102 | static const struct nla_policy |
10103 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = { | |
4a4b8169 | 10104 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY }, |
d6dc1a38 JO |
10105 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, |
10106 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
10107 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
10108 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
10109 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
bee427b8 | 10110 | [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 }, |
d6dc1a38 JO |
10111 | }; |
10112 | ||
84f10708 | 10113 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 10114 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
10115 | { |
10116 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
84f10708 | 10117 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 10118 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
84f10708 | 10119 | |
d9d8b019 | 10120 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
10121 | return -EINVAL; |
10122 | ||
84f10708 TP |
10123 | if (!rdev->ops->set_cqm_txe_config) |
10124 | return -EOPNOTSUPP; | |
10125 | ||
10126 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
10127 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
10128 | return -EOPNOTSUPP; | |
10129 | ||
e35e4d28 | 10130 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
10131 | } |
10132 | ||
4a4b8169 AZ |
10133 | static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev, |
10134 | struct net_device *dev) | |
10135 | { | |
10136 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10137 | s32 last, low, high; | |
10138 | u32 hyst; | |
10139 | int i, n; | |
10140 | int err; | |
10141 | ||
10142 | /* RSSI reporting disabled? */ | |
10143 | if (!wdev->cqm_config) | |
10144 | return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0); | |
10145 | ||
10146 | /* | |
10147 | * Obtain current RSSI value if possible, if not and no RSSI threshold | |
10148 | * event has been received yet, we should receive an event after a | |
10149 | * connection is established and enough beacons received to calculate | |
10150 | * the average. | |
10151 | */ | |
10152 | if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss && | |
10153 | rdev->ops->get_station) { | |
73887fd9 | 10154 | struct station_info sinfo = {}; |
4a4b8169 AZ |
10155 | u8 *mac_addr; |
10156 | ||
10157 | mac_addr = wdev->current_bss->pub.bssid; | |
10158 | ||
73887fd9 JB |
10159 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
10160 | if (err) | |
4a4b8169 AZ |
10161 | return err; |
10162 | ||
73887fd9 | 10163 | if (sinfo.filled & BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG)) |
4a4b8169 | 10164 | wdev->cqm_config->last_rssi_event_value = |
73887fd9 | 10165 | (s8) sinfo.rx_beacon_signal_avg; |
4a4b8169 AZ |
10166 | } |
10167 | ||
10168 | last = wdev->cqm_config->last_rssi_event_value; | |
10169 | hyst = wdev->cqm_config->rssi_hyst; | |
10170 | n = wdev->cqm_config->n_rssi_thresholds; | |
10171 | ||
10172 | for (i = 0; i < n; i++) | |
10173 | if (last < wdev->cqm_config->rssi_thresholds[i]) | |
10174 | break; | |
10175 | ||
10176 | low = i > 0 ? | |
10177 | (wdev->cqm_config->rssi_thresholds[i - 1] - hyst) : S32_MIN; | |
10178 | high = i < n ? | |
10179 | (wdev->cqm_config->rssi_thresholds[i] + hyst - 1) : S32_MAX; | |
10180 | ||
10181 | return rdev_set_cqm_rssi_range_config(rdev, dev, low, high); | |
10182 | } | |
10183 | ||
d6dc1a38 | 10184 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
4a4b8169 AZ |
10185 | const s32 *thresholds, int n_thresholds, |
10186 | u32 hysteresis) | |
d6dc1a38 | 10187 | { |
4c476991 | 10188 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 10189 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 10190 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
4a4b8169 AZ |
10191 | int i, err; |
10192 | s32 prev = S32_MIN; | |
d6dc1a38 | 10193 | |
4a4b8169 AZ |
10194 | /* Check all values negative and sorted */ |
10195 | for (i = 0; i < n_thresholds; i++) { | |
10196 | if (thresholds[i] > 0 || thresholds[i] <= prev) | |
10197 | return -EINVAL; | |
d6dc1a38 | 10198 | |
4a4b8169 AZ |
10199 | prev = thresholds[i]; |
10200 | } | |
d6dc1a38 | 10201 | |
074ac8df | 10202 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
10203 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
10204 | return -EOPNOTSUPP; | |
d6dc1a38 | 10205 | |
4a4b8169 AZ |
10206 | wdev_lock(wdev); |
10207 | cfg80211_cqm_config_free(wdev); | |
10208 | wdev_unlock(wdev); | |
10209 | ||
10210 | if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) { | |
10211 | if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */ | |
10212 | return rdev_set_cqm_rssi_config(rdev, dev, 0, 0); | |
10213 | ||
10214 | return rdev_set_cqm_rssi_config(rdev, dev, | |
10215 | thresholds[0], hysteresis); | |
10216 | } | |
10217 | ||
10218 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
10219 | NL80211_EXT_FEATURE_CQM_RSSI_LIST)) | |
10220 | return -EOPNOTSUPP; | |
10221 | ||
10222 | if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */ | |
10223 | n_thresholds = 0; | |
10224 | ||
10225 | wdev_lock(wdev); | |
10226 | if (n_thresholds) { | |
10227 | struct cfg80211_cqm_config *cqm_config; | |
10228 | ||
10229 | cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) + | |
10230 | n_thresholds * sizeof(s32), GFP_KERNEL); | |
10231 | if (!cqm_config) { | |
10232 | err = -ENOMEM; | |
10233 | goto unlock; | |
10234 | } | |
10235 | ||
10236 | cqm_config->rssi_hyst = hysteresis; | |
10237 | cqm_config->n_rssi_thresholds = n_thresholds; | |
10238 | memcpy(cqm_config->rssi_thresholds, thresholds, | |
10239 | n_thresholds * sizeof(s32)); | |
10240 | ||
10241 | wdev->cqm_config = cqm_config; | |
10242 | } | |
10243 | ||
10244 | err = cfg80211_cqm_rssi_update(rdev, dev); | |
10245 | ||
10246 | unlock: | |
10247 | wdev_unlock(wdev); | |
10248 | ||
10249 | return err; | |
d6dc1a38 JO |
10250 | } |
10251 | ||
10252 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
10253 | { | |
10254 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
10255 | struct nlattr *cqm; | |
10256 | int err; | |
10257 | ||
10258 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
1da5fcc8 JB |
10259 | if (!cqm) |
10260 | return -EINVAL; | |
d6dc1a38 JO |
10261 | |
10262 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
fe52145f | 10263 | nl80211_attr_cqm_policy, info->extack); |
d6dc1a38 | 10264 | if (err) |
1da5fcc8 | 10265 | return err; |
d6dc1a38 JO |
10266 | |
10267 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
10268 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
4a4b8169 AZ |
10269 | const s32 *thresholds = |
10270 | nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); | |
10271 | int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); | |
1da5fcc8 | 10272 | u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); |
d6dc1a38 | 10273 | |
4a4b8169 AZ |
10274 | if (len % 4) |
10275 | return -EINVAL; | |
10276 | ||
10277 | return nl80211_set_cqm_rssi(info, thresholds, len / 4, | |
10278 | hysteresis); | |
1da5fcc8 JB |
10279 | } |
10280 | ||
10281 | if (attrs[NL80211_ATTR_CQM_TXE_RATE] && | |
10282 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
10283 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
10284 | u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
10285 | u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
10286 | u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
10287 | ||
10288 | return nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
10289 | } | |
10290 | ||
10291 | return -EINVAL; | |
d6dc1a38 JO |
10292 | } |
10293 | ||
6e0bd6c3 RL |
10294 | static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info) |
10295 | { | |
10296 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10297 | struct net_device *dev = info->user_ptr[1]; | |
10298 | struct ocb_setup setup = {}; | |
10299 | int err; | |
10300 | ||
10301 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); | |
10302 | if (err) | |
10303 | return err; | |
10304 | ||
10305 | return cfg80211_join_ocb(rdev, dev, &setup); | |
10306 | } | |
10307 | ||
10308 | static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info) | |
10309 | { | |
10310 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10311 | struct net_device *dev = info->user_ptr[1]; | |
10312 | ||
10313 | return cfg80211_leave_ocb(rdev, dev); | |
10314 | } | |
10315 | ||
29cbe68c JB |
10316 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
10317 | { | |
10318 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10319 | struct net_device *dev = info->user_ptr[1]; | |
10320 | struct mesh_config cfg; | |
c80d545d | 10321 | struct mesh_setup setup; |
29cbe68c JB |
10322 | int err; |
10323 | ||
10324 | /* start with default */ | |
10325 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 10326 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 10327 | |
24bdd9f4 | 10328 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 10329 | /* and parse parameters if given */ |
24bdd9f4 | 10330 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
10331 | if (err) |
10332 | return err; | |
10333 | } | |
10334 | ||
10335 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
10336 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
10337 | return -EINVAL; | |
10338 | ||
c80d545d JC |
10339 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
10340 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
10341 | ||
4bb62344 CYY |
10342 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
10343 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
10344 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
10345 | return -EINVAL; | |
10346 | ||
9bdbf04d MP |
10347 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
10348 | setup.beacon_interval = | |
10349 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
12d20fc9 | 10350 | |
0c317a02 PK |
10351 | err = cfg80211_validate_beacon_int(rdev, |
10352 | NL80211_IFTYPE_MESH_POINT, | |
10353 | setup.beacon_interval); | |
12d20fc9 PK |
10354 | if (err) |
10355 | return err; | |
9bdbf04d MP |
10356 | } |
10357 | ||
10358 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
10359 | setup.dtim_period = | |
10360 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
10361 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
10362 | return -EINVAL; | |
10363 | } | |
10364 | ||
c80d545d JC |
10365 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
10366 | /* parse additional setup parameters if given */ | |
10367 | err = nl80211_parse_mesh_setup(info, &setup); | |
10368 | if (err) | |
10369 | return err; | |
10370 | } | |
10371 | ||
d37bb18a TP |
10372 | if (setup.user_mpm) |
10373 | cfg.auto_open_plinks = false; | |
10374 | ||
cc1d2806 | 10375 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
10376 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
10377 | if (err) | |
10378 | return err; | |
cc1d2806 | 10379 | } else { |
188c1b3c | 10380 | /* __cfg80211_join_mesh() will sort it out */ |
683b6d3b | 10381 | setup.chandef.chan = NULL; |
cc1d2806 JB |
10382 | } |
10383 | ||
ffb3cf30 AN |
10384 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
10385 | u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
10386 | int n_rates = | |
10387 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
10388 | struct ieee80211_supported_band *sband; | |
10389 | ||
10390 | if (!setup.chandef.chan) | |
10391 | return -EINVAL; | |
10392 | ||
10393 | sband = rdev->wiphy.bands[setup.chandef.chan->band]; | |
10394 | ||
10395 | err = ieee80211_get_ratemask(sband, rates, n_rates, | |
10396 | &setup.basic_rates); | |
10397 | if (err) | |
10398 | return err; | |
10399 | } | |
10400 | ||
8564e382 JB |
10401 | if (info->attrs[NL80211_ATTR_TX_RATES]) { |
10402 | err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate); | |
10403 | if (err) | |
10404 | return err; | |
10405 | ||
265698d7 JB |
10406 | if (!setup.chandef.chan) |
10407 | return -EINVAL; | |
10408 | ||
8564e382 JB |
10409 | err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band, |
10410 | &setup.beacon_rate); | |
10411 | if (err) | |
10412 | return err; | |
10413 | } | |
10414 | ||
d37d49c2 BB |
10415 | setup.userspace_handles_dfs = |
10416 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
10417 | ||
1224f583 DK |
10418 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_OVER_NL80211]) { |
10419 | int r = validate_pae_over_nl80211(rdev, info); | |
10420 | ||
10421 | if (r < 0) | |
10422 | return r; | |
10423 | ||
10424 | setup.control_port_over_nl80211 = true; | |
10425 | } | |
10426 | ||
188c1b3c DK |
10427 | wdev_lock(dev->ieee80211_ptr); |
10428 | err = __cfg80211_join_mesh(rdev, dev, &setup, &cfg); | |
10429 | if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) | |
10430 | dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid; | |
10431 | wdev_unlock(dev->ieee80211_ptr); | |
10432 | ||
10433 | return err; | |
29cbe68c JB |
10434 | } |
10435 | ||
10436 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
10437 | { | |
10438 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10439 | struct net_device *dev = info->user_ptr[1]; | |
10440 | ||
10441 | return cfg80211_leave_mesh(rdev, dev); | |
10442 | } | |
10443 | ||
dfb89c56 | 10444 | #ifdef CONFIG_PM |
bb92d199 AK |
10445 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
10446 | struct cfg80211_registered_device *rdev) | |
10447 | { | |
6abb9cb9 | 10448 | struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config; |
bb92d199 AK |
10449 | struct nlattr *nl_pats, *nl_pat; |
10450 | int i, pat_len; | |
10451 | ||
6abb9cb9 | 10452 | if (!wowlan->n_patterns) |
bb92d199 AK |
10453 | return 0; |
10454 | ||
10455 | nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
10456 | if (!nl_pats) | |
10457 | return -ENOBUFS; | |
10458 | ||
6abb9cb9 | 10459 | for (i = 0; i < wowlan->n_patterns; i++) { |
bb92d199 AK |
10460 | nl_pat = nla_nest_start(msg, i + 1); |
10461 | if (!nl_pat) | |
10462 | return -ENOBUFS; | |
6abb9cb9 | 10463 | pat_len = wowlan->patterns[i].pattern_len; |
50ac6607 | 10464 | if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8), |
6abb9cb9 | 10465 | wowlan->patterns[i].mask) || |
50ac6607 AK |
10466 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, |
10467 | wowlan->patterns[i].pattern) || | |
10468 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
6abb9cb9 | 10469 | wowlan->patterns[i].pkt_offset)) |
bb92d199 AK |
10470 | return -ENOBUFS; |
10471 | nla_nest_end(msg, nl_pat); | |
10472 | } | |
10473 | nla_nest_end(msg, nl_pats); | |
10474 | ||
10475 | return 0; | |
10476 | } | |
10477 | ||
2a0e047e JB |
10478 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
10479 | struct cfg80211_wowlan_tcp *tcp) | |
10480 | { | |
10481 | struct nlattr *nl_tcp; | |
10482 | ||
10483 | if (!tcp) | |
10484 | return 0; | |
10485 | ||
10486 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
10487 | if (!nl_tcp) | |
10488 | return -ENOBUFS; | |
10489 | ||
930345ea JB |
10490 | if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || |
10491 | nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
2a0e047e JB |
10492 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || |
10493 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
10494 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
10495 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
10496 | tcp->payload_len, tcp->payload) || | |
10497 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
10498 | tcp->data_interval) || | |
10499 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
10500 | tcp->wake_len, tcp->wake_data) || | |
10501 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
10502 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
10503 | return -ENOBUFS; | |
10504 | ||
10505 | if (tcp->payload_seq.len && | |
10506 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
10507 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
10508 | return -ENOBUFS; | |
10509 | ||
10510 | if (tcp->payload_tok.len && | |
10511 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
10512 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
10513 | &tcp->payload_tok)) | |
10514 | return -ENOBUFS; | |
10515 | ||
e248ad30 JB |
10516 | nla_nest_end(msg, nl_tcp); |
10517 | ||
2a0e047e JB |
10518 | return 0; |
10519 | } | |
10520 | ||
75453ccb LC |
10521 | static int nl80211_send_wowlan_nd(struct sk_buff *msg, |
10522 | struct cfg80211_sched_scan_request *req) | |
10523 | { | |
3b06d277 | 10524 | struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan; |
75453ccb LC |
10525 | int i; |
10526 | ||
10527 | if (!req) | |
10528 | return 0; | |
10529 | ||
10530 | nd = nla_nest_start(msg, NL80211_WOWLAN_TRIG_NET_DETECT); | |
10531 | if (!nd) | |
10532 | return -ENOBUFS; | |
10533 | ||
3b06d277 AS |
10534 | if (req->n_scan_plans == 1 && |
10535 | nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, | |
10536 | req->scan_plans[0].interval * 1000)) | |
75453ccb LC |
10537 | return -ENOBUFS; |
10538 | ||
21fea567 LC |
10539 | if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay)) |
10540 | return -ENOBUFS; | |
10541 | ||
bf95ecdb | 10542 | if (req->relative_rssi_set) { |
10543 | struct nl80211_bss_select_rssi_adjust rssi_adjust; | |
10544 | ||
10545 | if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI, | |
10546 | req->relative_rssi)) | |
10547 | return -ENOBUFS; | |
10548 | ||
10549 | rssi_adjust.band = req->rssi_adjust.band; | |
10550 | rssi_adjust.delta = req->rssi_adjust.delta; | |
10551 | if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST, | |
10552 | sizeof(rssi_adjust), &rssi_adjust)) | |
10553 | return -ENOBUFS; | |
10554 | } | |
10555 | ||
75453ccb LC |
10556 | freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); |
10557 | if (!freqs) | |
10558 | return -ENOBUFS; | |
10559 | ||
53b18980 JB |
10560 | for (i = 0; i < req->n_channels; i++) { |
10561 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
10562 | return -ENOBUFS; | |
10563 | } | |
75453ccb LC |
10564 | |
10565 | nla_nest_end(msg, freqs); | |
10566 | ||
10567 | if (req->n_match_sets) { | |
10568 | matches = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH); | |
76e1fb4b JB |
10569 | if (!matches) |
10570 | return -ENOBUFS; | |
10571 | ||
75453ccb LC |
10572 | for (i = 0; i < req->n_match_sets; i++) { |
10573 | match = nla_nest_start(msg, i); | |
76e1fb4b JB |
10574 | if (!match) |
10575 | return -ENOBUFS; | |
10576 | ||
53b18980 JB |
10577 | if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID, |
10578 | req->match_sets[i].ssid.ssid_len, | |
10579 | req->match_sets[i].ssid.ssid)) | |
10580 | return -ENOBUFS; | |
75453ccb LC |
10581 | nla_nest_end(msg, match); |
10582 | } | |
10583 | nla_nest_end(msg, matches); | |
10584 | } | |
10585 | ||
3b06d277 AS |
10586 | scan_plans = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_PLANS); |
10587 | if (!scan_plans) | |
10588 | return -ENOBUFS; | |
10589 | ||
10590 | for (i = 0; i < req->n_scan_plans; i++) { | |
10591 | scan_plan = nla_nest_start(msg, i + 1); | |
76e1fb4b JB |
10592 | if (!scan_plan) |
10593 | return -ENOBUFS; | |
10594 | ||
3b06d277 AS |
10595 | if (!scan_plan || |
10596 | nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL, | |
10597 | req->scan_plans[i].interval) || | |
10598 | (req->scan_plans[i].iterations && | |
10599 | nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS, | |
10600 | req->scan_plans[i].iterations))) | |
10601 | return -ENOBUFS; | |
10602 | nla_nest_end(msg, scan_plan); | |
10603 | } | |
10604 | nla_nest_end(msg, scan_plans); | |
10605 | ||
75453ccb LC |
10606 | nla_nest_end(msg, nd); |
10607 | ||
10608 | return 0; | |
10609 | } | |
10610 | ||
ff1b6e69 JB |
10611 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
10612 | { | |
10613 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10614 | struct sk_buff *msg; | |
10615 | void *hdr; | |
2a0e047e | 10616 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 10617 | |
964dc9e2 | 10618 | if (!rdev->wiphy.wowlan) |
ff1b6e69 JB |
10619 | return -EOPNOTSUPP; |
10620 | ||
6abb9cb9 | 10621 | if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) { |
2a0e047e | 10622 | /* adjust size to have room for all the data */ |
6abb9cb9 JB |
10623 | size += rdev->wiphy.wowlan_config->tcp->tokens_size + |
10624 | rdev->wiphy.wowlan_config->tcp->payload_len + | |
10625 | rdev->wiphy.wowlan_config->tcp->wake_len + | |
10626 | rdev->wiphy.wowlan_config->tcp->wake_len / 8; | |
2a0e047e JB |
10627 | } |
10628 | ||
10629 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
10630 | if (!msg) |
10631 | return -ENOMEM; | |
10632 | ||
15e47304 | 10633 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
10634 | NL80211_CMD_GET_WOWLAN); |
10635 | if (!hdr) | |
10636 | goto nla_put_failure; | |
10637 | ||
6abb9cb9 | 10638 | if (rdev->wiphy.wowlan_config) { |
ff1b6e69 JB |
10639 | struct nlattr *nl_wowlan; |
10640 | ||
10641 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
10642 | if (!nl_wowlan) | |
10643 | goto nla_put_failure; | |
10644 | ||
6abb9cb9 | 10645 | if ((rdev->wiphy.wowlan_config->any && |
9360ffd1 | 10646 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
6abb9cb9 | 10647 | (rdev->wiphy.wowlan_config->disconnect && |
9360ffd1 | 10648 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
6abb9cb9 | 10649 | (rdev->wiphy.wowlan_config->magic_pkt && |
9360ffd1 | 10650 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
6abb9cb9 | 10651 | (rdev->wiphy.wowlan_config->gtk_rekey_failure && |
9360ffd1 | 10652 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
6abb9cb9 | 10653 | (rdev->wiphy.wowlan_config->eap_identity_req && |
9360ffd1 | 10654 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
6abb9cb9 | 10655 | (rdev->wiphy.wowlan_config->four_way_handshake && |
9360ffd1 | 10656 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
6abb9cb9 | 10657 | (rdev->wiphy.wowlan_config->rfkill_release && |
9360ffd1 DM |
10658 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
10659 | goto nla_put_failure; | |
2a0e047e | 10660 | |
bb92d199 AK |
10661 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
10662 | goto nla_put_failure; | |
2a0e047e | 10663 | |
6abb9cb9 JB |
10664 | if (nl80211_send_wowlan_tcp(msg, |
10665 | rdev->wiphy.wowlan_config->tcp)) | |
2a0e047e | 10666 | goto nla_put_failure; |
75453ccb LC |
10667 | |
10668 | if (nl80211_send_wowlan_nd( | |
10669 | msg, | |
10670 | rdev->wiphy.wowlan_config->nd_config)) | |
10671 | goto nla_put_failure; | |
2a0e047e | 10672 | |
ff1b6e69 JB |
10673 | nla_nest_end(msg, nl_wowlan); |
10674 | } | |
10675 | ||
10676 | genlmsg_end(msg, hdr); | |
10677 | return genlmsg_reply(msg, info); | |
10678 | ||
10679 | nla_put_failure: | |
10680 | nlmsg_free(msg); | |
10681 | return -ENOBUFS; | |
10682 | } | |
10683 | ||
2a0e047e JB |
10684 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
10685 | struct nlattr *attr, | |
10686 | struct cfg80211_wowlan *trig) | |
10687 | { | |
10688 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
10689 | struct cfg80211_wowlan_tcp *cfg; | |
10690 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
10691 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
10692 | u32 size; | |
10693 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
10694 | int err, port; | |
10695 | ||
964dc9e2 | 10696 | if (!rdev->wiphy.wowlan->tcp) |
2a0e047e JB |
10697 | return -EINVAL; |
10698 | ||
bfe2c7b1 | 10699 | err = nla_parse_nested(tb, MAX_NL80211_WOWLAN_TCP, attr, |
fceb6435 | 10700 | nl80211_wowlan_tcp_policy, NULL); |
2a0e047e JB |
10701 | if (err) |
10702 | return err; | |
10703 | ||
10704 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
10705 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
10706 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
10707 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
10708 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
10709 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
10710 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
10711 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
10712 | return -EINVAL; | |
10713 | ||
10714 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
964dc9e2 | 10715 | if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max) |
2a0e047e JB |
10716 | return -EINVAL; |
10717 | ||
10718 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
964dc9e2 | 10719 | rdev->wiphy.wowlan->tcp->data_interval_max || |
723d568a | 10720 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) |
2a0e047e JB |
10721 | return -EINVAL; |
10722 | ||
10723 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
964dc9e2 | 10724 | if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max) |
2a0e047e JB |
10725 | return -EINVAL; |
10726 | ||
10727 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
10728 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
10729 | return -EINVAL; | |
10730 | ||
10731 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
10732 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
10733 | ||
10734 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
10735 | tokens_size = tokln - sizeof(*tok); | |
10736 | ||
10737 | if (!tok->len || tokens_size % tok->len) | |
10738 | return -EINVAL; | |
964dc9e2 | 10739 | if (!rdev->wiphy.wowlan->tcp->tok) |
2a0e047e | 10740 | return -EINVAL; |
964dc9e2 | 10741 | if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len) |
2a0e047e | 10742 | return -EINVAL; |
964dc9e2 | 10743 | if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len) |
2a0e047e | 10744 | return -EINVAL; |
964dc9e2 | 10745 | if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize) |
2a0e047e JB |
10746 | return -EINVAL; |
10747 | if (tok->offset + tok->len > data_size) | |
10748 | return -EINVAL; | |
10749 | } | |
10750 | ||
10751 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
10752 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
964dc9e2 | 10753 | if (!rdev->wiphy.wowlan->tcp->seq) |
2a0e047e JB |
10754 | return -EINVAL; |
10755 | if (seq->len == 0 || seq->len > 4) | |
10756 | return -EINVAL; | |
10757 | if (seq->len + seq->offset > data_size) | |
10758 | return -EINVAL; | |
10759 | } | |
10760 | ||
10761 | size = sizeof(*cfg); | |
10762 | size += data_size; | |
10763 | size += wake_size + wake_mask_size; | |
10764 | size += tokens_size; | |
10765 | ||
10766 | cfg = kzalloc(size, GFP_KERNEL); | |
10767 | if (!cfg) | |
10768 | return -ENOMEM; | |
67b61f6c JB |
10769 | cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); |
10770 | cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
2a0e047e JB |
10771 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), |
10772 | ETH_ALEN); | |
10773 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
10774 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
10775 | else | |
10776 | port = 0; | |
10777 | #ifdef CONFIG_INET | |
10778 | /* allocate a socket and port for it and use it */ | |
10779 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
10780 | IPPROTO_TCP, &cfg->sock, 1); | |
10781 | if (err) { | |
10782 | kfree(cfg); | |
10783 | return err; | |
10784 | } | |
10785 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
10786 | sock_release(cfg->sock); | |
10787 | kfree(cfg); | |
10788 | return -EADDRINUSE; | |
10789 | } | |
10790 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
10791 | #else | |
10792 | if (!port) { | |
10793 | kfree(cfg); | |
10794 | return -EINVAL; | |
10795 | } | |
10796 | cfg->src_port = port; | |
10797 | #endif | |
10798 | ||
10799 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
10800 | cfg->payload_len = data_size; | |
10801 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
10802 | memcpy((void *)cfg->payload, | |
10803 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
10804 | data_size); | |
10805 | if (seq) | |
10806 | cfg->payload_seq = *seq; | |
10807 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
10808 | cfg->wake_len = wake_size; | |
10809 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
10810 | memcpy((void *)cfg->wake_data, | |
10811 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
10812 | wake_size); | |
10813 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
10814 | data_size + wake_size; | |
10815 | memcpy((void *)cfg->wake_mask, | |
10816 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
10817 | wake_mask_size); | |
10818 | if (tok) { | |
10819 | cfg->tokens_size = tokens_size; | |
10820 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
10821 | } | |
10822 | ||
10823 | trig->tcp = cfg; | |
10824 | ||
10825 | return 0; | |
10826 | } | |
10827 | ||
8cd4d456 LC |
10828 | static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev, |
10829 | const struct wiphy_wowlan_support *wowlan, | |
10830 | struct nlattr *attr, | |
10831 | struct cfg80211_wowlan *trig) | |
10832 | { | |
10833 | struct nlattr **tb; | |
10834 | int err; | |
10835 | ||
6396bb22 | 10836 | tb = kcalloc(NUM_NL80211_ATTR, sizeof(*tb), GFP_KERNEL); |
8cd4d456 LC |
10837 | if (!tb) |
10838 | return -ENOMEM; | |
10839 | ||
10840 | if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) { | |
10841 | err = -EOPNOTSUPP; | |
10842 | goto out; | |
10843 | } | |
10844 | ||
fceb6435 JB |
10845 | err = nla_parse_nested(tb, NL80211_ATTR_MAX, attr, nl80211_policy, |
10846 | NULL); | |
8cd4d456 LC |
10847 | if (err) |
10848 | goto out; | |
10849 | ||
aad1e812 AVS |
10850 | trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb, |
10851 | wowlan->max_nd_match_sets); | |
8cd4d456 LC |
10852 | err = PTR_ERR_OR_ZERO(trig->nd_config); |
10853 | if (err) | |
10854 | trig->nd_config = NULL; | |
10855 | ||
10856 | out: | |
10857 | kfree(tb); | |
10858 | return err; | |
10859 | } | |
10860 | ||
ff1b6e69 JB |
10861 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
10862 | { | |
10863 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10864 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 10865 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 10866 | struct cfg80211_wowlan *ntrig; |
964dc9e2 | 10867 | const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan; |
ff1b6e69 | 10868 | int err, i; |
6abb9cb9 | 10869 | bool prev_enabled = rdev->wiphy.wowlan_config; |
98fc4386 | 10870 | bool regular = false; |
ff1b6e69 | 10871 | |
964dc9e2 | 10872 | if (!wowlan) |
ff1b6e69 JB |
10873 | return -EOPNOTSUPP; |
10874 | ||
ae33bd81 JB |
10875 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
10876 | cfg80211_rdev_free_wowlan(rdev); | |
6abb9cb9 | 10877 | rdev->wiphy.wowlan_config = NULL; |
ae33bd81 JB |
10878 | goto set_wakeup; |
10879 | } | |
ff1b6e69 | 10880 | |
bfe2c7b1 JB |
10881 | err = nla_parse_nested(tb, MAX_NL80211_WOWLAN_TRIG, |
10882 | info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS], | |
fe52145f | 10883 | nl80211_wowlan_policy, info->extack); |
ff1b6e69 JB |
10884 | if (err) |
10885 | return err; | |
10886 | ||
10887 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
10888 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
10889 | return -EINVAL; | |
10890 | new_triggers.any = true; | |
10891 | } | |
10892 | ||
10893 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
10894 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
10895 | return -EINVAL; | |
10896 | new_triggers.disconnect = true; | |
98fc4386 | 10897 | regular = true; |
ff1b6e69 JB |
10898 | } |
10899 | ||
10900 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
10901 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
10902 | return -EINVAL; | |
10903 | new_triggers.magic_pkt = true; | |
98fc4386 | 10904 | regular = true; |
ff1b6e69 JB |
10905 | } |
10906 | ||
77dbbb13 JB |
10907 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
10908 | return -EINVAL; | |
10909 | ||
10910 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
10911 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
10912 | return -EINVAL; | |
10913 | new_triggers.gtk_rekey_failure = true; | |
98fc4386 | 10914 | regular = true; |
77dbbb13 JB |
10915 | } |
10916 | ||
10917 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
10918 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
10919 | return -EINVAL; | |
10920 | new_triggers.eap_identity_req = true; | |
98fc4386 | 10921 | regular = true; |
77dbbb13 JB |
10922 | } |
10923 | ||
10924 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
10925 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
10926 | return -EINVAL; | |
10927 | new_triggers.four_way_handshake = true; | |
98fc4386 | 10928 | regular = true; |
77dbbb13 JB |
10929 | } |
10930 | ||
10931 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
10932 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
10933 | return -EINVAL; | |
10934 | new_triggers.rfkill_release = true; | |
98fc4386 | 10935 | regular = true; |
77dbbb13 JB |
10936 | } |
10937 | ||
ff1b6e69 JB |
10938 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
10939 | struct nlattr *pat; | |
10940 | int n_patterns = 0; | |
bb92d199 | 10941 | int rem, pat_len, mask_len, pkt_offset; |
50ac6607 | 10942 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; |
ff1b6e69 | 10943 | |
98fc4386 JB |
10944 | regular = true; |
10945 | ||
ff1b6e69 JB |
10946 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], |
10947 | rem) | |
10948 | n_patterns++; | |
10949 | if (n_patterns > wowlan->n_patterns) | |
10950 | return -EINVAL; | |
10951 | ||
10952 | new_triggers.patterns = kcalloc(n_patterns, | |
10953 | sizeof(new_triggers.patterns[0]), | |
10954 | GFP_KERNEL); | |
10955 | if (!new_triggers.patterns) | |
10956 | return -ENOMEM; | |
10957 | ||
10958 | new_triggers.n_patterns = n_patterns; | |
10959 | i = 0; | |
10960 | ||
10961 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
10962 | rem) { | |
922bd80f JB |
10963 | u8 *mask_pat; |
10964 | ||
bfe2c7b1 | 10965 | nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat, |
ad670233 PX |
10966 | nl80211_packet_pattern_policy, |
10967 | info->extack); | |
ff1b6e69 | 10968 | err = -EINVAL; |
50ac6607 AK |
10969 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
10970 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
ff1b6e69 | 10971 | goto error; |
50ac6607 | 10972 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); |
ff1b6e69 | 10973 | mask_len = DIV_ROUND_UP(pat_len, 8); |
50ac6607 | 10974 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) |
ff1b6e69 JB |
10975 | goto error; |
10976 | if (pat_len > wowlan->pattern_max_len || | |
10977 | pat_len < wowlan->pattern_min_len) | |
10978 | goto error; | |
10979 | ||
50ac6607 | 10980 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) |
bb92d199 AK |
10981 | pkt_offset = 0; |
10982 | else | |
10983 | pkt_offset = nla_get_u32( | |
50ac6607 | 10984 | pat_tb[NL80211_PKTPAT_OFFSET]); |
bb92d199 AK |
10985 | if (pkt_offset > wowlan->max_pkt_offset) |
10986 | goto error; | |
10987 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
10988 | ||
922bd80f JB |
10989 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
10990 | if (!mask_pat) { | |
ff1b6e69 JB |
10991 | err = -ENOMEM; |
10992 | goto error; | |
10993 | } | |
922bd80f JB |
10994 | new_triggers.patterns[i].mask = mask_pat; |
10995 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
ff1b6e69 | 10996 | mask_len); |
922bd80f JB |
10997 | mask_pat += mask_len; |
10998 | new_triggers.patterns[i].pattern = mask_pat; | |
ff1b6e69 | 10999 | new_triggers.patterns[i].pattern_len = pat_len; |
922bd80f | 11000 | memcpy(mask_pat, |
50ac6607 | 11001 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
ff1b6e69 JB |
11002 | pat_len); |
11003 | i++; | |
11004 | } | |
11005 | } | |
11006 | ||
2a0e047e | 11007 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
98fc4386 | 11008 | regular = true; |
2a0e047e JB |
11009 | err = nl80211_parse_wowlan_tcp( |
11010 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
11011 | &new_triggers); | |
11012 | if (err) | |
11013 | goto error; | |
11014 | } | |
11015 | ||
8cd4d456 | 11016 | if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) { |
98fc4386 | 11017 | regular = true; |
8cd4d456 LC |
11018 | err = nl80211_parse_wowlan_nd( |
11019 | rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT], | |
11020 | &new_triggers); | |
11021 | if (err) | |
11022 | goto error; | |
11023 | } | |
11024 | ||
98fc4386 JB |
11025 | /* The 'any' trigger means the device continues operating more or less |
11026 | * as in its normal operation mode and wakes up the host on most of the | |
11027 | * normal interrupts (like packet RX, ...) | |
11028 | * It therefore makes little sense to combine with the more constrained | |
11029 | * wakeup trigger modes. | |
11030 | */ | |
11031 | if (new_triggers.any && regular) { | |
11032 | err = -EINVAL; | |
11033 | goto error; | |
11034 | } | |
11035 | ||
ae33bd81 JB |
11036 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
11037 | if (!ntrig) { | |
11038 | err = -ENOMEM; | |
11039 | goto error; | |
ff1b6e69 | 11040 | } |
ae33bd81 | 11041 | cfg80211_rdev_free_wowlan(rdev); |
6abb9cb9 | 11042 | rdev->wiphy.wowlan_config = ntrig; |
ff1b6e69 | 11043 | |
ae33bd81 | 11044 | set_wakeup: |
6abb9cb9 JB |
11045 | if (rdev->ops->set_wakeup && |
11046 | prev_enabled != !!rdev->wiphy.wowlan_config) | |
11047 | rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config); | |
6d52563f | 11048 | |
ff1b6e69 JB |
11049 | return 0; |
11050 | error: | |
11051 | for (i = 0; i < new_triggers.n_patterns; i++) | |
11052 | kfree(new_triggers.patterns[i].mask); | |
11053 | kfree(new_triggers.patterns); | |
2a0e047e JB |
11054 | if (new_triggers.tcp && new_triggers.tcp->sock) |
11055 | sock_release(new_triggers.tcp->sock); | |
11056 | kfree(new_triggers.tcp); | |
e5dbe070 | 11057 | kfree(new_triggers.nd_config); |
ff1b6e69 JB |
11058 | return err; |
11059 | } | |
dfb89c56 | 11060 | #endif |
ff1b6e69 | 11061 | |
be29b99a AK |
11062 | static int nl80211_send_coalesce_rules(struct sk_buff *msg, |
11063 | struct cfg80211_registered_device *rdev) | |
11064 | { | |
11065 | struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules; | |
11066 | int i, j, pat_len; | |
11067 | struct cfg80211_coalesce_rules *rule; | |
11068 | ||
11069 | if (!rdev->coalesce->n_rules) | |
11070 | return 0; | |
11071 | ||
11072 | nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE); | |
11073 | if (!nl_rules) | |
11074 | return -ENOBUFS; | |
11075 | ||
11076 | for (i = 0; i < rdev->coalesce->n_rules; i++) { | |
11077 | nl_rule = nla_nest_start(msg, i + 1); | |
11078 | if (!nl_rule) | |
11079 | return -ENOBUFS; | |
11080 | ||
11081 | rule = &rdev->coalesce->rules[i]; | |
11082 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY, | |
11083 | rule->delay)) | |
11084 | return -ENOBUFS; | |
11085 | ||
11086 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION, | |
11087 | rule->condition)) | |
11088 | return -ENOBUFS; | |
11089 | ||
11090 | nl_pats = nla_nest_start(msg, | |
11091 | NL80211_ATTR_COALESCE_RULE_PKT_PATTERN); | |
11092 | if (!nl_pats) | |
11093 | return -ENOBUFS; | |
11094 | ||
11095 | for (j = 0; j < rule->n_patterns; j++) { | |
11096 | nl_pat = nla_nest_start(msg, j + 1); | |
11097 | if (!nl_pat) | |
11098 | return -ENOBUFS; | |
11099 | pat_len = rule->patterns[j].pattern_len; | |
11100 | if (nla_put(msg, NL80211_PKTPAT_MASK, | |
11101 | DIV_ROUND_UP(pat_len, 8), | |
11102 | rule->patterns[j].mask) || | |
11103 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, | |
11104 | rule->patterns[j].pattern) || | |
11105 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
11106 | rule->patterns[j].pkt_offset)) | |
11107 | return -ENOBUFS; | |
11108 | nla_nest_end(msg, nl_pat); | |
11109 | } | |
11110 | nla_nest_end(msg, nl_pats); | |
11111 | nla_nest_end(msg, nl_rule); | |
11112 | } | |
11113 | nla_nest_end(msg, nl_rules); | |
11114 | ||
11115 | return 0; | |
11116 | } | |
11117 | ||
11118 | static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info) | |
11119 | { | |
11120 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11121 | struct sk_buff *msg; | |
11122 | void *hdr; | |
11123 | ||
11124 | if (!rdev->wiphy.coalesce) | |
11125 | return -EOPNOTSUPP; | |
11126 | ||
11127 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11128 | if (!msg) | |
11129 | return -ENOMEM; | |
11130 | ||
11131 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
11132 | NL80211_CMD_GET_COALESCE); | |
11133 | if (!hdr) | |
11134 | goto nla_put_failure; | |
11135 | ||
11136 | if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev)) | |
11137 | goto nla_put_failure; | |
11138 | ||
11139 | genlmsg_end(msg, hdr); | |
11140 | return genlmsg_reply(msg, info); | |
11141 | ||
11142 | nla_put_failure: | |
11143 | nlmsg_free(msg); | |
11144 | return -ENOBUFS; | |
11145 | } | |
11146 | ||
11147 | void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev) | |
11148 | { | |
11149 | struct cfg80211_coalesce *coalesce = rdev->coalesce; | |
11150 | int i, j; | |
11151 | struct cfg80211_coalesce_rules *rule; | |
11152 | ||
11153 | if (!coalesce) | |
11154 | return; | |
11155 | ||
11156 | for (i = 0; i < coalesce->n_rules; i++) { | |
11157 | rule = &coalesce->rules[i]; | |
11158 | for (j = 0; j < rule->n_patterns; j++) | |
11159 | kfree(rule->patterns[j].mask); | |
11160 | kfree(rule->patterns); | |
11161 | } | |
11162 | kfree(coalesce->rules); | |
11163 | kfree(coalesce); | |
11164 | rdev->coalesce = NULL; | |
11165 | } | |
11166 | ||
11167 | static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, | |
11168 | struct nlattr *rule, | |
11169 | struct cfg80211_coalesce_rules *new_rule) | |
11170 | { | |
11171 | int err, i; | |
11172 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
11173 | struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat; | |
11174 | int rem, pat_len, mask_len, pkt_offset, n_patterns = 0; | |
11175 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; | |
11176 | ||
bfe2c7b1 | 11177 | err = nla_parse_nested(tb, NL80211_ATTR_COALESCE_RULE_MAX, rule, |
fceb6435 | 11178 | nl80211_coalesce_policy, NULL); |
be29b99a AK |
11179 | if (err) |
11180 | return err; | |
11181 | ||
11182 | if (tb[NL80211_ATTR_COALESCE_RULE_DELAY]) | |
11183 | new_rule->delay = | |
11184 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]); | |
11185 | if (new_rule->delay > coalesce->max_delay) | |
11186 | return -EINVAL; | |
11187 | ||
11188 | if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION]) | |
11189 | new_rule->condition = | |
11190 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]); | |
11191 | if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH && | |
11192 | new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH) | |
11193 | return -EINVAL; | |
11194 | ||
11195 | if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN]) | |
11196 | return -EINVAL; | |
11197 | ||
11198 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
11199 | rem) | |
11200 | n_patterns++; | |
11201 | if (n_patterns > coalesce->n_patterns) | |
11202 | return -EINVAL; | |
11203 | ||
11204 | new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]), | |
11205 | GFP_KERNEL); | |
11206 | if (!new_rule->patterns) | |
11207 | return -ENOMEM; | |
11208 | ||
11209 | new_rule->n_patterns = n_patterns; | |
11210 | i = 0; | |
11211 | ||
11212 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
11213 | rem) { | |
922bd80f JB |
11214 | u8 *mask_pat; |
11215 | ||
ad670233 PX |
11216 | nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat, |
11217 | nl80211_packet_pattern_policy, NULL); | |
be29b99a AK |
11218 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
11219 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
11220 | return -EINVAL; | |
11221 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); | |
11222 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
11223 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) | |
11224 | return -EINVAL; | |
11225 | if (pat_len > coalesce->pattern_max_len || | |
11226 | pat_len < coalesce->pattern_min_len) | |
11227 | return -EINVAL; | |
11228 | ||
11229 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) | |
11230 | pkt_offset = 0; | |
11231 | else | |
11232 | pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); | |
11233 | if (pkt_offset > coalesce->max_pkt_offset) | |
11234 | return -EINVAL; | |
11235 | new_rule->patterns[i].pkt_offset = pkt_offset; | |
11236 | ||
922bd80f JB |
11237 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
11238 | if (!mask_pat) | |
be29b99a | 11239 | return -ENOMEM; |
922bd80f JB |
11240 | |
11241 | new_rule->patterns[i].mask = mask_pat; | |
11242 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
11243 | mask_len); | |
11244 | ||
11245 | mask_pat += mask_len; | |
11246 | new_rule->patterns[i].pattern = mask_pat; | |
be29b99a | 11247 | new_rule->patterns[i].pattern_len = pat_len; |
922bd80f JB |
11248 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
11249 | pat_len); | |
be29b99a AK |
11250 | i++; |
11251 | } | |
11252 | ||
11253 | return 0; | |
11254 | } | |
11255 | ||
11256 | static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info) | |
11257 | { | |
11258 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11259 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
11260 | struct cfg80211_coalesce new_coalesce = {}; | |
11261 | struct cfg80211_coalesce *n_coalesce; | |
11262 | int err, rem_rule, n_rules = 0, i, j; | |
11263 | struct nlattr *rule; | |
11264 | struct cfg80211_coalesce_rules *tmp_rule; | |
11265 | ||
11266 | if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce) | |
11267 | return -EOPNOTSUPP; | |
11268 | ||
11269 | if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) { | |
11270 | cfg80211_rdev_free_coalesce(rdev); | |
a1056b1b | 11271 | rdev_set_coalesce(rdev, NULL); |
be29b99a AK |
11272 | return 0; |
11273 | } | |
11274 | ||
11275 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
11276 | rem_rule) | |
11277 | n_rules++; | |
11278 | if (n_rules > coalesce->n_rules) | |
11279 | return -EINVAL; | |
11280 | ||
11281 | new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]), | |
11282 | GFP_KERNEL); | |
11283 | if (!new_coalesce.rules) | |
11284 | return -ENOMEM; | |
11285 | ||
11286 | new_coalesce.n_rules = n_rules; | |
11287 | i = 0; | |
11288 | ||
11289 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
11290 | rem_rule) { | |
11291 | err = nl80211_parse_coalesce_rule(rdev, rule, | |
11292 | &new_coalesce.rules[i]); | |
11293 | if (err) | |
11294 | goto error; | |
11295 | ||
11296 | i++; | |
11297 | } | |
11298 | ||
a1056b1b | 11299 | err = rdev_set_coalesce(rdev, &new_coalesce); |
be29b99a AK |
11300 | if (err) |
11301 | goto error; | |
11302 | ||
11303 | n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL); | |
11304 | if (!n_coalesce) { | |
11305 | err = -ENOMEM; | |
11306 | goto error; | |
11307 | } | |
11308 | cfg80211_rdev_free_coalesce(rdev); | |
11309 | rdev->coalesce = n_coalesce; | |
11310 | ||
11311 | return 0; | |
11312 | error: | |
11313 | for (i = 0; i < new_coalesce.n_rules; i++) { | |
11314 | tmp_rule = &new_coalesce.rules[i]; | |
11315 | for (j = 0; j < tmp_rule->n_patterns; j++) | |
11316 | kfree(tmp_rule->patterns[j].mask); | |
11317 | kfree(tmp_rule->patterns); | |
11318 | } | |
11319 | kfree(new_coalesce.rules); | |
11320 | ||
11321 | return err; | |
11322 | } | |
11323 | ||
e5497d76 JB |
11324 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
11325 | { | |
11326 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11327 | struct net_device *dev = info->user_ptr[1]; | |
11328 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11329 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
11330 | struct cfg80211_gtk_rekey_data rekey_data; | |
11331 | int err; | |
11332 | ||
11333 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
11334 | return -EINVAL; | |
11335 | ||
bfe2c7b1 JB |
11336 | err = nla_parse_nested(tb, MAX_NL80211_REKEY_DATA, |
11337 | info->attrs[NL80211_ATTR_REKEY_DATA], | |
fe52145f | 11338 | nl80211_rekey_policy, info->extack); |
e5497d76 JB |
11339 | if (err) |
11340 | return err; | |
11341 | ||
e785fa0a VD |
11342 | if (!tb[NL80211_REKEY_DATA_REPLAY_CTR] || !tb[NL80211_REKEY_DATA_KEK] || |
11343 | !tb[NL80211_REKEY_DATA_KCK]) | |
11344 | return -EINVAL; | |
e5497d76 JB |
11345 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) |
11346 | return -ERANGE; | |
11347 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
11348 | return -ERANGE; | |
11349 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
11350 | return -ERANGE; | |
11351 | ||
78f686ca JB |
11352 | rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]); |
11353 | rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]); | |
11354 | rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]); | |
e5497d76 JB |
11355 | |
11356 | wdev_lock(wdev); | |
11357 | if (!wdev->current_bss) { | |
11358 | err = -ENOTCONN; | |
11359 | goto out; | |
11360 | } | |
11361 | ||
11362 | if (!rdev->ops->set_rekey_data) { | |
11363 | err = -EOPNOTSUPP; | |
11364 | goto out; | |
11365 | } | |
11366 | ||
e35e4d28 | 11367 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
11368 | out: |
11369 | wdev_unlock(wdev); | |
11370 | return err; | |
11371 | } | |
11372 | ||
28946da7 JB |
11373 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
11374 | struct genl_info *info) | |
11375 | { | |
11376 | struct net_device *dev = info->user_ptr[1]; | |
11377 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11378 | ||
11379 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
11380 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
11381 | return -EINVAL; | |
11382 | ||
15e47304 | 11383 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
11384 | return -EBUSY; |
11385 | ||
15e47304 | 11386 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
11387 | return 0; |
11388 | } | |
11389 | ||
7f6cf311 JB |
11390 | static int nl80211_probe_client(struct sk_buff *skb, |
11391 | struct genl_info *info) | |
11392 | { | |
11393 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11394 | struct net_device *dev = info->user_ptr[1]; | |
11395 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
11396 | struct sk_buff *msg; | |
11397 | void *hdr; | |
11398 | const u8 *addr; | |
11399 | u64 cookie; | |
11400 | int err; | |
11401 | ||
11402 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
11403 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
11404 | return -EOPNOTSUPP; | |
11405 | ||
11406 | if (!info->attrs[NL80211_ATTR_MAC]) | |
11407 | return -EINVAL; | |
11408 | ||
11409 | if (!rdev->ops->probe_client) | |
11410 | return -EOPNOTSUPP; | |
11411 | ||
11412 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11413 | if (!msg) | |
11414 | return -ENOMEM; | |
11415 | ||
15e47304 | 11416 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 | 11417 | NL80211_CMD_PROBE_CLIENT); |
cb35fba3 DC |
11418 | if (!hdr) { |
11419 | err = -ENOBUFS; | |
7f6cf311 JB |
11420 | goto free_msg; |
11421 | } | |
11422 | ||
11423 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
11424 | ||
e35e4d28 | 11425 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
11426 | if (err) |
11427 | goto free_msg; | |
11428 | ||
2dad624e ND |
11429 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
11430 | NL80211_ATTR_PAD)) | |
9360ffd1 | 11431 | goto nla_put_failure; |
7f6cf311 JB |
11432 | |
11433 | genlmsg_end(msg, hdr); | |
11434 | ||
11435 | return genlmsg_reply(msg, info); | |
11436 | ||
11437 | nla_put_failure: | |
11438 | err = -ENOBUFS; | |
11439 | free_msg: | |
11440 | nlmsg_free(msg); | |
11441 | return err; | |
11442 | } | |
11443 | ||
5e760230 JB |
11444 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
11445 | { | |
11446 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
11447 | struct cfg80211_beacon_registration *reg, *nreg; |
11448 | int rv; | |
5e760230 JB |
11449 | |
11450 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
11451 | return -EOPNOTSUPP; | |
11452 | ||
37c73b5f BG |
11453 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
11454 | if (!nreg) | |
11455 | return -ENOMEM; | |
11456 | ||
11457 | /* First, check if already registered. */ | |
11458 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
11459 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
11460 | if (reg->nlportid == info->snd_portid) { | |
11461 | rv = -EALREADY; | |
11462 | goto out_err; | |
11463 | } | |
11464 | } | |
11465 | /* Add it to the list */ | |
11466 | nreg->nlportid = info->snd_portid; | |
11467 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 11468 | |
37c73b5f | 11469 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
11470 | |
11471 | return 0; | |
37c73b5f BG |
11472 | out_err: |
11473 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
11474 | kfree(nreg); | |
11475 | return rv; | |
5e760230 JB |
11476 | } |
11477 | ||
98104fde JB |
11478 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
11479 | { | |
11480 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11481 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11482 | int err; | |
11483 | ||
11484 | if (!rdev->ops->start_p2p_device) | |
11485 | return -EOPNOTSUPP; | |
11486 | ||
11487 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
11488 | return -EOPNOTSUPP; | |
11489 | ||
73c7da3d | 11490 | if (wdev_running(wdev)) |
98104fde JB |
11491 | return 0; |
11492 | ||
b6a55015 LC |
11493 | if (rfkill_blocked(rdev->rfkill)) |
11494 | return -ERFKILL; | |
98104fde | 11495 | |
eeb126e9 | 11496 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
11497 | if (err) |
11498 | return err; | |
11499 | ||
73c7da3d | 11500 | wdev->is_running = true; |
98104fde | 11501 | rdev->opencount++; |
98104fde JB |
11502 | |
11503 | return 0; | |
11504 | } | |
11505 | ||
11506 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
11507 | { | |
11508 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11509 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11510 | ||
11511 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
11512 | return -EOPNOTSUPP; | |
11513 | ||
11514 | if (!rdev->ops->stop_p2p_device) | |
11515 | return -EOPNOTSUPP; | |
11516 | ||
f9f47529 | 11517 | cfg80211_stop_p2p_device(rdev, wdev); |
98104fde JB |
11518 | |
11519 | return 0; | |
11520 | } | |
11521 | ||
cb3b7d87 AB |
11522 | static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info) |
11523 | { | |
11524 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11525 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11526 | struct cfg80211_nan_conf conf = {}; | |
11527 | int err; | |
11528 | ||
11529 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
11530 | return -EOPNOTSUPP; | |
11531 | ||
eeb04a96 | 11532 | if (wdev_running(wdev)) |
cb3b7d87 AB |
11533 | return -EEXIST; |
11534 | ||
11535 | if (rfkill_blocked(rdev->rfkill)) | |
11536 | return -ERFKILL; | |
11537 | ||
11538 | if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) | |
11539 | return -EINVAL; | |
11540 | ||
cb3b7d87 AB |
11541 | conf.master_pref = |
11542 | nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]); | |
11543 | if (!conf.master_pref) | |
11544 | return -EINVAL; | |
11545 | ||
8585989d LC |
11546 | if (info->attrs[NL80211_ATTR_BANDS]) { |
11547 | u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]); | |
11548 | ||
11549 | if (bands & ~(u32)wdev->wiphy->nan_supported_bands) | |
11550 | return -EOPNOTSUPP; | |
11551 | ||
11552 | if (bands && !(bands & BIT(NL80211_BAND_2GHZ))) | |
11553 | return -EINVAL; | |
11554 | ||
11555 | conf.bands = bands; | |
11556 | } | |
cb3b7d87 AB |
11557 | |
11558 | err = rdev_start_nan(rdev, wdev, &conf); | |
11559 | if (err) | |
11560 | return err; | |
11561 | ||
73c7da3d | 11562 | wdev->is_running = true; |
cb3b7d87 AB |
11563 | rdev->opencount++; |
11564 | ||
11565 | return 0; | |
11566 | } | |
11567 | ||
11568 | static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info) | |
11569 | { | |
11570 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11571 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11572 | ||
11573 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
11574 | return -EOPNOTSUPP; | |
11575 | ||
11576 | cfg80211_stop_nan(rdev, wdev); | |
11577 | ||
11578 | return 0; | |
11579 | } | |
11580 | ||
a442b761 AB |
11581 | static int validate_nan_filter(struct nlattr *filter_attr) |
11582 | { | |
11583 | struct nlattr *attr; | |
11584 | int len = 0, n_entries = 0, rem; | |
11585 | ||
11586 | nla_for_each_nested(attr, filter_attr, rem) { | |
11587 | len += nla_len(attr); | |
11588 | n_entries++; | |
11589 | } | |
11590 | ||
11591 | if (len >= U8_MAX) | |
11592 | return -EINVAL; | |
11593 | ||
11594 | return n_entries; | |
11595 | } | |
11596 | ||
11597 | static int handle_nan_filter(struct nlattr *attr_filter, | |
11598 | struct cfg80211_nan_func *func, | |
11599 | bool tx) | |
11600 | { | |
11601 | struct nlattr *attr; | |
11602 | int n_entries, rem, i; | |
11603 | struct cfg80211_nan_func_filter *filter; | |
11604 | ||
11605 | n_entries = validate_nan_filter(attr_filter); | |
11606 | if (n_entries < 0) | |
11607 | return n_entries; | |
11608 | ||
11609 | BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters)); | |
11610 | ||
11611 | filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL); | |
11612 | if (!filter) | |
11613 | return -ENOMEM; | |
11614 | ||
11615 | i = 0; | |
11616 | nla_for_each_nested(attr, attr_filter, rem) { | |
b15ca182 | 11617 | filter[i].filter = nla_memdup(attr, GFP_KERNEL); |
a442b761 AB |
11618 | filter[i].len = nla_len(attr); |
11619 | i++; | |
11620 | } | |
11621 | if (tx) { | |
11622 | func->num_tx_filters = n_entries; | |
11623 | func->tx_filters = filter; | |
11624 | } else { | |
11625 | func->num_rx_filters = n_entries; | |
11626 | func->rx_filters = filter; | |
11627 | } | |
11628 | ||
11629 | return 0; | |
11630 | } | |
11631 | ||
11632 | static int nl80211_nan_add_func(struct sk_buff *skb, | |
11633 | struct genl_info *info) | |
11634 | { | |
11635 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11636 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11637 | struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr; | |
11638 | struct cfg80211_nan_func *func; | |
11639 | struct sk_buff *msg = NULL; | |
11640 | void *hdr = NULL; | |
11641 | int err = 0; | |
11642 | ||
11643 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
11644 | return -EOPNOTSUPP; | |
11645 | ||
73c7da3d | 11646 | if (!wdev_running(wdev)) |
a442b761 AB |
11647 | return -ENOTCONN; |
11648 | ||
11649 | if (!info->attrs[NL80211_ATTR_NAN_FUNC]) | |
11650 | return -EINVAL; | |
11651 | ||
bfe2c7b1 JB |
11652 | err = nla_parse_nested(tb, NL80211_NAN_FUNC_ATTR_MAX, |
11653 | info->attrs[NL80211_ATTR_NAN_FUNC], | |
fe52145f | 11654 | nl80211_nan_func_policy, info->extack); |
a442b761 AB |
11655 | if (err) |
11656 | return err; | |
11657 | ||
11658 | func = kzalloc(sizeof(*func), GFP_KERNEL); | |
11659 | if (!func) | |
11660 | return -ENOMEM; | |
11661 | ||
11662 | func->cookie = wdev->wiphy->cookie_counter++; | |
11663 | ||
11664 | if (!tb[NL80211_NAN_FUNC_TYPE] || | |
11665 | nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) { | |
11666 | err = -EINVAL; | |
11667 | goto out; | |
11668 | } | |
11669 | ||
11670 | ||
11671 | func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]); | |
11672 | ||
11673 | if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) { | |
11674 | err = -EINVAL; | |
11675 | goto out; | |
11676 | } | |
11677 | ||
11678 | memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]), | |
11679 | sizeof(func->service_id)); | |
11680 | ||
11681 | func->close_range = | |
11682 | nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]); | |
11683 | ||
11684 | if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) { | |
11685 | func->serv_spec_info_len = | |
11686 | nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]); | |
11687 | func->serv_spec_info = | |
11688 | kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]), | |
11689 | func->serv_spec_info_len, | |
11690 | GFP_KERNEL); | |
11691 | if (!func->serv_spec_info) { | |
11692 | err = -ENOMEM; | |
11693 | goto out; | |
11694 | } | |
11695 | } | |
11696 | ||
11697 | if (tb[NL80211_NAN_FUNC_TTL]) | |
11698 | func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]); | |
11699 | ||
11700 | switch (func->type) { | |
11701 | case NL80211_NAN_FUNC_PUBLISH: | |
11702 | if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) { | |
11703 | err = -EINVAL; | |
11704 | goto out; | |
11705 | } | |
11706 | ||
11707 | func->publish_type = | |
11708 | nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]); | |
11709 | func->publish_bcast = | |
11710 | nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]); | |
11711 | ||
11712 | if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) && | |
11713 | func->publish_bcast) { | |
11714 | err = -EINVAL; | |
11715 | goto out; | |
11716 | } | |
11717 | break; | |
11718 | case NL80211_NAN_FUNC_SUBSCRIBE: | |
11719 | func->subscribe_active = | |
11720 | nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]); | |
11721 | break; | |
11722 | case NL80211_NAN_FUNC_FOLLOW_UP: | |
11723 | if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] || | |
3ea15452 HC |
11724 | !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] || |
11725 | !tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]) { | |
a442b761 AB |
11726 | err = -EINVAL; |
11727 | goto out; | |
11728 | } | |
11729 | ||
11730 | func->followup_id = | |
11731 | nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]); | |
11732 | func->followup_reqid = | |
11733 | nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]); | |
11734 | memcpy(func->followup_dest.addr, | |
11735 | nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]), | |
11736 | sizeof(func->followup_dest.addr)); | |
11737 | if (func->ttl) { | |
11738 | err = -EINVAL; | |
11739 | goto out; | |
11740 | } | |
11741 | break; | |
11742 | default: | |
11743 | err = -EINVAL; | |
11744 | goto out; | |
11745 | } | |
11746 | ||
11747 | if (tb[NL80211_NAN_FUNC_SRF]) { | |
11748 | struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR]; | |
11749 | ||
bfe2c7b1 JB |
11750 | err = nla_parse_nested(srf_tb, NL80211_NAN_SRF_ATTR_MAX, |
11751 | tb[NL80211_NAN_FUNC_SRF], | |
fe52145f | 11752 | nl80211_nan_srf_policy, info->extack); |
a442b761 AB |
11753 | if (err) |
11754 | goto out; | |
11755 | ||
11756 | func->srf_include = | |
11757 | nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]); | |
11758 | ||
11759 | if (srf_tb[NL80211_NAN_SRF_BF]) { | |
11760 | if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] || | |
11761 | !srf_tb[NL80211_NAN_SRF_BF_IDX]) { | |
11762 | err = -EINVAL; | |
11763 | goto out; | |
11764 | } | |
11765 | ||
11766 | func->srf_bf_len = | |
11767 | nla_len(srf_tb[NL80211_NAN_SRF_BF]); | |
11768 | func->srf_bf = | |
11769 | kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]), | |
11770 | func->srf_bf_len, GFP_KERNEL); | |
11771 | if (!func->srf_bf) { | |
11772 | err = -ENOMEM; | |
11773 | goto out; | |
11774 | } | |
11775 | ||
11776 | func->srf_bf_idx = | |
11777 | nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]); | |
11778 | } else { | |
11779 | struct nlattr *attr, *mac_attr = | |
11780 | srf_tb[NL80211_NAN_SRF_MAC_ADDRS]; | |
11781 | int n_entries, rem, i = 0; | |
11782 | ||
11783 | if (!mac_attr) { | |
11784 | err = -EINVAL; | |
11785 | goto out; | |
11786 | } | |
11787 | ||
11788 | n_entries = validate_acl_mac_addrs(mac_attr); | |
11789 | if (n_entries <= 0) { | |
11790 | err = -EINVAL; | |
11791 | goto out; | |
11792 | } | |
11793 | ||
11794 | func->srf_num_macs = n_entries; | |
11795 | func->srf_macs = | |
6396bb22 | 11796 | kcalloc(n_entries, sizeof(*func->srf_macs), |
a442b761 AB |
11797 | GFP_KERNEL); |
11798 | if (!func->srf_macs) { | |
11799 | err = -ENOMEM; | |
11800 | goto out; | |
11801 | } | |
11802 | ||
11803 | nla_for_each_nested(attr, mac_attr, rem) | |
11804 | memcpy(func->srf_macs[i++].addr, nla_data(attr), | |
11805 | sizeof(*func->srf_macs)); | |
11806 | } | |
11807 | } | |
11808 | ||
11809 | if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) { | |
11810 | err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER], | |
11811 | func, true); | |
11812 | if (err) | |
11813 | goto out; | |
11814 | } | |
11815 | ||
11816 | if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) { | |
11817 | err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER], | |
11818 | func, false); | |
11819 | if (err) | |
11820 | goto out; | |
11821 | } | |
11822 | ||
11823 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11824 | if (!msg) { | |
11825 | err = -ENOMEM; | |
11826 | goto out; | |
11827 | } | |
11828 | ||
11829 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
11830 | NL80211_CMD_ADD_NAN_FUNCTION); | |
11831 | /* This can't really happen - we just allocated 4KB */ | |
11832 | if (WARN_ON(!hdr)) { | |
11833 | err = -ENOMEM; | |
11834 | goto out; | |
11835 | } | |
11836 | ||
11837 | err = rdev_add_nan_func(rdev, wdev, func); | |
11838 | out: | |
11839 | if (err < 0) { | |
11840 | cfg80211_free_nan_func(func); | |
11841 | nlmsg_free(msg); | |
11842 | return err; | |
11843 | } | |
11844 | ||
11845 | /* propagate the instance id and cookie to userspace */ | |
11846 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie, | |
11847 | NL80211_ATTR_PAD)) | |
11848 | goto nla_put_failure; | |
11849 | ||
11850 | func_attr = nla_nest_start(msg, NL80211_ATTR_NAN_FUNC); | |
11851 | if (!func_attr) | |
11852 | goto nla_put_failure; | |
11853 | ||
11854 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, | |
11855 | func->instance_id)) | |
11856 | goto nla_put_failure; | |
11857 | ||
11858 | nla_nest_end(msg, func_attr); | |
11859 | ||
11860 | genlmsg_end(msg, hdr); | |
11861 | return genlmsg_reply(msg, info); | |
11862 | ||
11863 | nla_put_failure: | |
11864 | nlmsg_free(msg); | |
11865 | return -ENOBUFS; | |
11866 | } | |
11867 | ||
11868 | static int nl80211_nan_del_func(struct sk_buff *skb, | |
11869 | struct genl_info *info) | |
11870 | { | |
11871 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11872 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11873 | u64 cookie; | |
11874 | ||
11875 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
11876 | return -EOPNOTSUPP; | |
11877 | ||
73c7da3d | 11878 | if (!wdev_running(wdev)) |
a442b761 AB |
11879 | return -ENOTCONN; |
11880 | ||
11881 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
11882 | return -EINVAL; | |
11883 | ||
a442b761 AB |
11884 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
11885 | ||
11886 | rdev_del_nan_func(rdev, wdev, cookie); | |
11887 | ||
11888 | return 0; | |
11889 | } | |
11890 | ||
a5a9dcf2 AB |
11891 | static int nl80211_nan_change_config(struct sk_buff *skb, |
11892 | struct genl_info *info) | |
11893 | { | |
11894 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11895 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11896 | struct cfg80211_nan_conf conf = {}; | |
11897 | u32 changed = 0; | |
11898 | ||
11899 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
11900 | return -EOPNOTSUPP; | |
11901 | ||
73c7da3d | 11902 | if (!wdev_running(wdev)) |
a5a9dcf2 AB |
11903 | return -ENOTCONN; |
11904 | ||
11905 | if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) { | |
11906 | conf.master_pref = | |
11907 | nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]); | |
11908 | if (conf.master_pref <= 1 || conf.master_pref == 255) | |
11909 | return -EINVAL; | |
11910 | ||
11911 | changed |= CFG80211_NAN_CONF_CHANGED_PREF; | |
11912 | } | |
11913 | ||
8585989d LC |
11914 | if (info->attrs[NL80211_ATTR_BANDS]) { |
11915 | u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]); | |
11916 | ||
11917 | if (bands & ~(u32)wdev->wiphy->nan_supported_bands) | |
11918 | return -EOPNOTSUPP; | |
11919 | ||
11920 | if (bands && !(bands & BIT(NL80211_BAND_2GHZ))) | |
11921 | return -EINVAL; | |
11922 | ||
11923 | conf.bands = bands; | |
11924 | changed |= CFG80211_NAN_CONF_CHANGED_BANDS; | |
a5a9dcf2 AB |
11925 | } |
11926 | ||
11927 | if (!changed) | |
11928 | return -EINVAL; | |
11929 | ||
11930 | return rdev_nan_change_conf(rdev, wdev, &conf, changed); | |
11931 | } | |
11932 | ||
50bcd31d AB |
11933 | void cfg80211_nan_match(struct wireless_dev *wdev, |
11934 | struct cfg80211_nan_match_params *match, gfp_t gfp) | |
11935 | { | |
11936 | struct wiphy *wiphy = wdev->wiphy; | |
11937 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
11938 | struct nlattr *match_attr, *local_func_attr, *peer_func_attr; | |
11939 | struct sk_buff *msg; | |
11940 | void *hdr; | |
11941 | ||
11942 | if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr)) | |
11943 | return; | |
11944 | ||
11945 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11946 | if (!msg) | |
11947 | return; | |
11948 | ||
11949 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH); | |
11950 | if (!hdr) { | |
11951 | nlmsg_free(msg); | |
11952 | return; | |
11953 | } | |
11954 | ||
11955 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11956 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
11957 | wdev->netdev->ifindex)) || | |
11958 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), | |
11959 | NL80211_ATTR_PAD)) | |
11960 | goto nla_put_failure; | |
11961 | ||
11962 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie, | |
11963 | NL80211_ATTR_PAD) || | |
11964 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr)) | |
11965 | goto nla_put_failure; | |
11966 | ||
11967 | match_attr = nla_nest_start(msg, NL80211_ATTR_NAN_MATCH); | |
11968 | if (!match_attr) | |
11969 | goto nla_put_failure; | |
11970 | ||
11971 | local_func_attr = nla_nest_start(msg, NL80211_NAN_MATCH_FUNC_LOCAL); | |
11972 | if (!local_func_attr) | |
11973 | goto nla_put_failure; | |
11974 | ||
11975 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id)) | |
11976 | goto nla_put_failure; | |
11977 | ||
11978 | nla_nest_end(msg, local_func_attr); | |
11979 | ||
11980 | peer_func_attr = nla_nest_start(msg, NL80211_NAN_MATCH_FUNC_PEER); | |
11981 | if (!peer_func_attr) | |
11982 | goto nla_put_failure; | |
11983 | ||
11984 | if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) || | |
11985 | nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id)) | |
11986 | goto nla_put_failure; | |
11987 | ||
11988 | if (match->info && match->info_len && | |
11989 | nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len, | |
11990 | match->info)) | |
11991 | goto nla_put_failure; | |
11992 | ||
11993 | nla_nest_end(msg, peer_func_attr); | |
11994 | nla_nest_end(msg, match_attr); | |
11995 | genlmsg_end(msg, hdr); | |
11996 | ||
11997 | if (!wdev->owner_nlportid) | |
11998 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
11999 | msg, 0, NL80211_MCGRP_NAN, gfp); | |
12000 | else | |
12001 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, | |
12002 | wdev->owner_nlportid); | |
12003 | ||
12004 | return; | |
12005 | ||
12006 | nla_put_failure: | |
12007 | nlmsg_free(msg); | |
12008 | } | |
12009 | EXPORT_SYMBOL(cfg80211_nan_match); | |
12010 | ||
368e5a7b AB |
12011 | void cfg80211_nan_func_terminated(struct wireless_dev *wdev, |
12012 | u8 inst_id, | |
12013 | enum nl80211_nan_func_term_reason reason, | |
12014 | u64 cookie, gfp_t gfp) | |
12015 | { | |
12016 | struct wiphy *wiphy = wdev->wiphy; | |
12017 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
12018 | struct sk_buff *msg; | |
12019 | struct nlattr *func_attr; | |
12020 | void *hdr; | |
12021 | ||
12022 | if (WARN_ON(!inst_id)) | |
12023 | return; | |
12024 | ||
12025 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
12026 | if (!msg) | |
12027 | return; | |
12028 | ||
12029 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION); | |
12030 | if (!hdr) { | |
12031 | nlmsg_free(msg); | |
12032 | return; | |
12033 | } | |
12034 | ||
12035 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
12036 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
12037 | wdev->netdev->ifindex)) || | |
12038 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), | |
12039 | NL80211_ATTR_PAD)) | |
12040 | goto nla_put_failure; | |
12041 | ||
12042 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, | |
12043 | NL80211_ATTR_PAD)) | |
12044 | goto nla_put_failure; | |
12045 | ||
12046 | func_attr = nla_nest_start(msg, NL80211_ATTR_NAN_FUNC); | |
12047 | if (!func_attr) | |
12048 | goto nla_put_failure; | |
12049 | ||
12050 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) || | |
12051 | nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason)) | |
12052 | goto nla_put_failure; | |
12053 | ||
12054 | nla_nest_end(msg, func_attr); | |
12055 | genlmsg_end(msg, hdr); | |
12056 | ||
12057 | if (!wdev->owner_nlportid) | |
12058 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
12059 | msg, 0, NL80211_MCGRP_NAN, gfp); | |
12060 | else | |
12061 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, | |
12062 | wdev->owner_nlportid); | |
12063 | ||
12064 | return; | |
12065 | ||
12066 | nla_put_failure: | |
12067 | nlmsg_free(msg); | |
12068 | } | |
12069 | EXPORT_SYMBOL(cfg80211_nan_func_terminated); | |
12070 | ||
3713b4e3 JB |
12071 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
12072 | struct genl_info *info) | |
12073 | { | |
12074 | void *hdr; | |
12075 | struct sk_buff *msg; | |
12076 | ||
12077 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
12078 | if (!msg) | |
12079 | return -ENOMEM; | |
12080 | ||
12081 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
12082 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
12083 | if (!hdr) | |
12084 | goto nla_put_failure; | |
12085 | ||
12086 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
12087 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
12088 | goto nla_put_failure; | |
12089 | ||
12090 | genlmsg_end(msg, hdr); | |
12091 | return genlmsg_reply(msg, info); | |
12092 | ||
12093 | nla_put_failure: | |
12094 | kfree_skb(msg); | |
12095 | return -ENOBUFS; | |
12096 | } | |
12097 | ||
355199e0 JM |
12098 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
12099 | { | |
12100 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12101 | struct cfg80211_update_ft_ies_params ft_params; | |
12102 | struct net_device *dev = info->user_ptr[1]; | |
12103 | ||
12104 | if (!rdev->ops->update_ft_ies) | |
12105 | return -EOPNOTSUPP; | |
12106 | ||
12107 | if (!info->attrs[NL80211_ATTR_MDID] || | |
12108 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
12109 | return -EINVAL; | |
12110 | ||
12111 | memset(&ft_params, 0, sizeof(ft_params)); | |
12112 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
12113 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
12114 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
12115 | ||
12116 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
12117 | } | |
12118 | ||
5de17984 AS |
12119 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
12120 | struct genl_info *info) | |
12121 | { | |
12122 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12123 | struct wireless_dev *wdev = info->user_ptr[1]; | |
12124 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
12125 | u16 duration; | |
12126 | int ret; | |
12127 | ||
12128 | if (!rdev->ops->crit_proto_start) | |
12129 | return -EOPNOTSUPP; | |
12130 | ||
12131 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
12132 | return -EINVAL; | |
12133 | ||
12134 | if (rdev->crit_proto_nlportid) | |
12135 | return -EBUSY; | |
12136 | ||
12137 | /* determine protocol if provided */ | |
12138 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
12139 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
12140 | ||
12141 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
12142 | return -EINVAL; | |
12143 | ||
12144 | /* timeout must be provided */ | |
12145 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
12146 | return -EINVAL; | |
12147 | ||
12148 | duration = | |
12149 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
12150 | ||
12151 | if (duration > NL80211_CRIT_PROTO_MAX_DURATION) | |
12152 | return -ERANGE; | |
12153 | ||
12154 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); | |
12155 | if (!ret) | |
12156 | rdev->crit_proto_nlportid = info->snd_portid; | |
12157 | ||
12158 | return ret; | |
12159 | } | |
12160 | ||
12161 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
12162 | struct genl_info *info) | |
12163 | { | |
12164 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12165 | struct wireless_dev *wdev = info->user_ptr[1]; | |
12166 | ||
12167 | if (!rdev->ops->crit_proto_stop) | |
12168 | return -EOPNOTSUPP; | |
12169 | ||
12170 | if (rdev->crit_proto_nlportid) { | |
12171 | rdev->crit_proto_nlportid = 0; | |
12172 | rdev_crit_proto_stop(rdev, wdev); | |
12173 | } | |
12174 | return 0; | |
12175 | } | |
12176 | ||
ad7e718c JB |
12177 | static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info) |
12178 | { | |
12179 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12180 | struct wireless_dev *wdev = | |
12181 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
12182 | int i, err; | |
12183 | u32 vid, subcmd; | |
12184 | ||
12185 | if (!rdev->wiphy.vendor_commands) | |
12186 | return -EOPNOTSUPP; | |
12187 | ||
12188 | if (IS_ERR(wdev)) { | |
12189 | err = PTR_ERR(wdev); | |
12190 | if (err != -EINVAL) | |
12191 | return err; | |
12192 | wdev = NULL; | |
12193 | } else if (wdev->wiphy != &rdev->wiphy) { | |
12194 | return -EINVAL; | |
12195 | } | |
12196 | ||
12197 | if (!info->attrs[NL80211_ATTR_VENDOR_ID] || | |
12198 | !info->attrs[NL80211_ATTR_VENDOR_SUBCMD]) | |
12199 | return -EINVAL; | |
12200 | ||
12201 | vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]); | |
12202 | subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]); | |
12203 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { | |
12204 | const struct wiphy_vendor_command *vcmd; | |
12205 | void *data = NULL; | |
12206 | int len = 0; | |
12207 | ||
12208 | vcmd = &rdev->wiphy.vendor_commands[i]; | |
12209 | ||
12210 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
12211 | continue; | |
12212 | ||
12213 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
12214 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
12215 | if (!wdev) | |
12216 | return -EINVAL; | |
12217 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
12218 | !wdev->netdev) | |
12219 | return -EINVAL; | |
12220 | ||
12221 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
73c7da3d | 12222 | if (!wdev_running(wdev)) |
ad7e718c JB |
12223 | return -ENETDOWN; |
12224 | } | |
7bdbe400 JB |
12225 | |
12226 | if (!vcmd->doit) | |
12227 | return -EOPNOTSUPP; | |
ad7e718c JB |
12228 | } else { |
12229 | wdev = NULL; | |
12230 | } | |
12231 | ||
12232 | if (info->attrs[NL80211_ATTR_VENDOR_DATA]) { | |
12233 | data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
12234 | len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
12235 | } | |
12236 | ||
12237 | rdev->cur_cmd_info = info; | |
12238 | err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev, | |
12239 | data, len); | |
12240 | rdev->cur_cmd_info = NULL; | |
12241 | return err; | |
12242 | } | |
12243 | ||
12244 | return -EOPNOTSUPP; | |
12245 | } | |
12246 | ||
7bdbe400 JB |
12247 | static int nl80211_prepare_vendor_dump(struct sk_buff *skb, |
12248 | struct netlink_callback *cb, | |
12249 | struct cfg80211_registered_device **rdev, | |
12250 | struct wireless_dev **wdev) | |
12251 | { | |
c90c39da | 12252 | struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); |
7bdbe400 JB |
12253 | u32 vid, subcmd; |
12254 | unsigned int i; | |
12255 | int vcmd_idx = -1; | |
12256 | int err; | |
12257 | void *data = NULL; | |
12258 | unsigned int data_len = 0; | |
12259 | ||
7bdbe400 JB |
12260 | if (cb->args[0]) { |
12261 | /* subtract the 1 again here */ | |
12262 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
12263 | struct wireless_dev *tmp; | |
12264 | ||
ea90e0dc JB |
12265 | if (!wiphy) |
12266 | return -ENODEV; | |
7bdbe400 JB |
12267 | *rdev = wiphy_to_rdev(wiphy); |
12268 | *wdev = NULL; | |
12269 | ||
12270 | if (cb->args[1]) { | |
53873f13 | 12271 | list_for_each_entry(tmp, &wiphy->wdev_list, list) { |
7bdbe400 JB |
12272 | if (tmp->identifier == cb->args[1] - 1) { |
12273 | *wdev = tmp; | |
12274 | break; | |
12275 | } | |
12276 | } | |
12277 | } | |
12278 | ||
12279 | /* keep rtnl locked in successful case */ | |
12280 | return 0; | |
12281 | } | |
12282 | ||
fceb6435 JB |
12283 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, attrbuf, |
12284 | nl80211_fam.maxattr, nl80211_policy, NULL); | |
7bdbe400 | 12285 | if (err) |
ea90e0dc | 12286 | return err; |
7bdbe400 | 12287 | |
c90c39da | 12288 | if (!attrbuf[NL80211_ATTR_VENDOR_ID] || |
ea90e0dc JB |
12289 | !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) |
12290 | return -EINVAL; | |
7bdbe400 | 12291 | |
c90c39da | 12292 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf); |
7bdbe400 JB |
12293 | if (IS_ERR(*wdev)) |
12294 | *wdev = NULL; | |
12295 | ||
c90c39da | 12296 | *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf); |
ea90e0dc JB |
12297 | if (IS_ERR(*rdev)) |
12298 | return PTR_ERR(*rdev); | |
7bdbe400 | 12299 | |
c90c39da JB |
12300 | vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]); |
12301 | subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]); | |
7bdbe400 JB |
12302 | |
12303 | for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) { | |
12304 | const struct wiphy_vendor_command *vcmd; | |
12305 | ||
12306 | vcmd = &(*rdev)->wiphy.vendor_commands[i]; | |
12307 | ||
12308 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
12309 | continue; | |
12310 | ||
ea90e0dc JB |
12311 | if (!vcmd->dumpit) |
12312 | return -EOPNOTSUPP; | |
7bdbe400 JB |
12313 | |
12314 | vcmd_idx = i; | |
12315 | break; | |
12316 | } | |
12317 | ||
ea90e0dc JB |
12318 | if (vcmd_idx < 0) |
12319 | return -EOPNOTSUPP; | |
7bdbe400 | 12320 | |
c90c39da JB |
12321 | if (attrbuf[NL80211_ATTR_VENDOR_DATA]) { |
12322 | data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]); | |
12323 | data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]); | |
7bdbe400 JB |
12324 | } |
12325 | ||
12326 | /* 0 is the first index - add 1 to parse only once */ | |
12327 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
12328 | /* add 1 to know if it was NULL */ | |
12329 | cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0; | |
12330 | cb->args[2] = vcmd_idx; | |
12331 | cb->args[3] = (unsigned long)data; | |
12332 | cb->args[4] = data_len; | |
12333 | ||
12334 | /* keep rtnl locked in successful case */ | |
12335 | return 0; | |
7bdbe400 JB |
12336 | } |
12337 | ||
12338 | static int nl80211_vendor_cmd_dump(struct sk_buff *skb, | |
12339 | struct netlink_callback *cb) | |
12340 | { | |
12341 | struct cfg80211_registered_device *rdev; | |
12342 | struct wireless_dev *wdev; | |
12343 | unsigned int vcmd_idx; | |
12344 | const struct wiphy_vendor_command *vcmd; | |
12345 | void *data; | |
12346 | int data_len; | |
12347 | int err; | |
12348 | struct nlattr *vendor_data; | |
12349 | ||
ea90e0dc | 12350 | rtnl_lock(); |
7bdbe400 JB |
12351 | err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev); |
12352 | if (err) | |
ea90e0dc | 12353 | goto out; |
7bdbe400 JB |
12354 | |
12355 | vcmd_idx = cb->args[2]; | |
12356 | data = (void *)cb->args[3]; | |
12357 | data_len = cb->args[4]; | |
12358 | vcmd = &rdev->wiphy.vendor_commands[vcmd_idx]; | |
12359 | ||
12360 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
12361 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
ea90e0dc JB |
12362 | if (!wdev) { |
12363 | err = -EINVAL; | |
12364 | goto out; | |
12365 | } | |
7bdbe400 | 12366 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && |
ea90e0dc JB |
12367 | !wdev->netdev) { |
12368 | err = -EINVAL; | |
12369 | goto out; | |
12370 | } | |
7bdbe400 JB |
12371 | |
12372 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
ea90e0dc JB |
12373 | if (!wdev_running(wdev)) { |
12374 | err = -ENETDOWN; | |
12375 | goto out; | |
12376 | } | |
7bdbe400 JB |
12377 | } |
12378 | } | |
12379 | ||
12380 | while (1) { | |
12381 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, | |
12382 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
12383 | NL80211_CMD_VENDOR); | |
12384 | if (!hdr) | |
12385 | break; | |
12386 | ||
12387 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
12388 | (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV, |
12389 | wdev_id(wdev), | |
12390 | NL80211_ATTR_PAD))) { | |
7bdbe400 JB |
12391 | genlmsg_cancel(skb, hdr); |
12392 | break; | |
12393 | } | |
12394 | ||
12395 | vendor_data = nla_nest_start(skb, NL80211_ATTR_VENDOR_DATA); | |
12396 | if (!vendor_data) { | |
12397 | genlmsg_cancel(skb, hdr); | |
12398 | break; | |
12399 | } | |
12400 | ||
12401 | err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len, | |
12402 | (unsigned long *)&cb->args[5]); | |
12403 | nla_nest_end(skb, vendor_data); | |
12404 | ||
12405 | if (err == -ENOBUFS || err == -ENOENT) { | |
12406 | genlmsg_cancel(skb, hdr); | |
12407 | break; | |
12408 | } else if (err) { | |
12409 | genlmsg_cancel(skb, hdr); | |
12410 | goto out; | |
12411 | } | |
12412 | ||
12413 | genlmsg_end(skb, hdr); | |
12414 | } | |
12415 | ||
12416 | err = skb->len; | |
12417 | out: | |
12418 | rtnl_unlock(); | |
12419 | return err; | |
12420 | } | |
12421 | ||
ad7e718c JB |
12422 | struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy, |
12423 | enum nl80211_commands cmd, | |
12424 | enum nl80211_attrs attr, | |
12425 | int approxlen) | |
12426 | { | |
f26cbf40 | 12427 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ad7e718c JB |
12428 | |
12429 | if (WARN_ON(!rdev->cur_cmd_info)) | |
12430 | return NULL; | |
12431 | ||
6c09e791 | 12432 | return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen, |
ad7e718c JB |
12433 | rdev->cur_cmd_info->snd_portid, |
12434 | rdev->cur_cmd_info->snd_seq, | |
567ffc35 | 12435 | cmd, attr, NULL, GFP_KERNEL); |
ad7e718c JB |
12436 | } |
12437 | EXPORT_SYMBOL(__cfg80211_alloc_reply_skb); | |
12438 | ||
12439 | int cfg80211_vendor_cmd_reply(struct sk_buff *skb) | |
12440 | { | |
12441 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
12442 | void *hdr = ((void **)skb->cb)[1]; | |
12443 | struct nlattr *data = ((void **)skb->cb)[2]; | |
12444 | ||
bd8c78e7 JB |
12445 | /* clear CB data for netlink core to own from now on */ |
12446 | memset(skb->cb, 0, sizeof(skb->cb)); | |
12447 | ||
ad7e718c JB |
12448 | if (WARN_ON(!rdev->cur_cmd_info)) { |
12449 | kfree_skb(skb); | |
12450 | return -EINVAL; | |
12451 | } | |
12452 | ||
12453 | nla_nest_end(skb, data); | |
12454 | genlmsg_end(skb, hdr); | |
12455 | return genlmsg_reply(skb, rdev->cur_cmd_info); | |
12456 | } | |
12457 | EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply); | |
12458 | ||
fa9ffc74 KP |
12459 | static int nl80211_set_qos_map(struct sk_buff *skb, |
12460 | struct genl_info *info) | |
12461 | { | |
12462 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12463 | struct cfg80211_qos_map *qos_map = NULL; | |
12464 | struct net_device *dev = info->user_ptr[1]; | |
12465 | u8 *pos, len, num_des, des_len, des; | |
12466 | int ret; | |
12467 | ||
12468 | if (!rdev->ops->set_qos_map) | |
12469 | return -EOPNOTSUPP; | |
12470 | ||
12471 | if (info->attrs[NL80211_ATTR_QOS_MAP]) { | |
12472 | pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]); | |
12473 | len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]); | |
12474 | ||
12475 | if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN || | |
12476 | len > IEEE80211_QOS_MAP_LEN_MAX) | |
12477 | return -EINVAL; | |
12478 | ||
12479 | qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL); | |
12480 | if (!qos_map) | |
12481 | return -ENOMEM; | |
12482 | ||
12483 | num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1; | |
12484 | if (num_des) { | |
12485 | des_len = num_des * | |
12486 | sizeof(struct cfg80211_dscp_exception); | |
12487 | memcpy(qos_map->dscp_exception, pos, des_len); | |
12488 | qos_map->num_des = num_des; | |
12489 | for (des = 0; des < num_des; des++) { | |
12490 | if (qos_map->dscp_exception[des].up > 7) { | |
12491 | kfree(qos_map); | |
12492 | return -EINVAL; | |
12493 | } | |
12494 | } | |
12495 | pos += des_len; | |
12496 | } | |
12497 | memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN); | |
12498 | } | |
12499 | ||
12500 | wdev_lock(dev->ieee80211_ptr); | |
12501 | ret = nl80211_key_allowed(dev->ieee80211_ptr); | |
12502 | if (!ret) | |
12503 | ret = rdev_set_qos_map(rdev, dev, qos_map); | |
12504 | wdev_unlock(dev->ieee80211_ptr); | |
12505 | ||
12506 | kfree(qos_map); | |
12507 | return ret; | |
12508 | } | |
12509 | ||
960d01ac JB |
12510 | static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info) |
12511 | { | |
12512 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12513 | struct net_device *dev = info->user_ptr[1]; | |
12514 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12515 | const u8 *peer; | |
12516 | u8 tsid, up; | |
12517 | u16 admitted_time = 0; | |
12518 | int err; | |
12519 | ||
723e73ac | 12520 | if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)) |
960d01ac JB |
12521 | return -EOPNOTSUPP; |
12522 | ||
12523 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] || | |
12524 | !info->attrs[NL80211_ATTR_USER_PRIO]) | |
12525 | return -EINVAL; | |
12526 | ||
12527 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
12528 | if (tsid >= IEEE80211_NUM_TIDS) | |
12529 | return -EINVAL; | |
12530 | ||
12531 | up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]); | |
12532 | if (up >= IEEE80211_NUM_UPS) | |
12533 | return -EINVAL; | |
12534 | ||
12535 | /* WMM uses TIDs 0-7 even for TSPEC */ | |
723e73ac | 12536 | if (tsid >= IEEE80211_FIRST_TSPEC_TSID) { |
960d01ac | 12537 | /* TODO: handle 802.11 TSPEC/admission control |
723e73ac JB |
12538 | * need more attributes for that (e.g. BA session requirement); |
12539 | * change the WMM adminssion test above to allow both then | |
960d01ac JB |
12540 | */ |
12541 | return -EINVAL; | |
12542 | } | |
12543 | ||
12544 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
12545 | ||
12546 | if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) { | |
12547 | admitted_time = | |
12548 | nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]); | |
12549 | if (!admitted_time) | |
12550 | return -EINVAL; | |
12551 | } | |
12552 | ||
12553 | wdev_lock(wdev); | |
12554 | switch (wdev->iftype) { | |
12555 | case NL80211_IFTYPE_STATION: | |
12556 | case NL80211_IFTYPE_P2P_CLIENT: | |
12557 | if (wdev->current_bss) | |
12558 | break; | |
12559 | err = -ENOTCONN; | |
12560 | goto out; | |
12561 | default: | |
12562 | err = -EOPNOTSUPP; | |
12563 | goto out; | |
12564 | } | |
12565 | ||
12566 | err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time); | |
12567 | ||
12568 | out: | |
12569 | wdev_unlock(wdev); | |
12570 | return err; | |
12571 | } | |
12572 | ||
12573 | static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info) | |
12574 | { | |
12575 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12576 | struct net_device *dev = info->user_ptr[1]; | |
12577 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12578 | const u8 *peer; | |
12579 | u8 tsid; | |
12580 | int err; | |
12581 | ||
12582 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC]) | |
12583 | return -EINVAL; | |
12584 | ||
12585 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
12586 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
12587 | ||
12588 | wdev_lock(wdev); | |
12589 | err = rdev_del_tx_ts(rdev, dev, tsid, peer); | |
12590 | wdev_unlock(wdev); | |
12591 | ||
12592 | return err; | |
12593 | } | |
12594 | ||
1057d35e AN |
12595 | static int nl80211_tdls_channel_switch(struct sk_buff *skb, |
12596 | struct genl_info *info) | |
12597 | { | |
12598 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12599 | struct net_device *dev = info->user_ptr[1]; | |
12600 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12601 | struct cfg80211_chan_def chandef = {}; | |
12602 | const u8 *addr; | |
12603 | u8 oper_class; | |
12604 | int err; | |
12605 | ||
12606 | if (!rdev->ops->tdls_channel_switch || | |
12607 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
12608 | return -EOPNOTSUPP; | |
12609 | ||
12610 | switch (dev->ieee80211_ptr->iftype) { | |
12611 | case NL80211_IFTYPE_STATION: | |
12612 | case NL80211_IFTYPE_P2P_CLIENT: | |
12613 | break; | |
12614 | default: | |
12615 | return -EOPNOTSUPP; | |
12616 | } | |
12617 | ||
12618 | if (!info->attrs[NL80211_ATTR_MAC] || | |
12619 | !info->attrs[NL80211_ATTR_OPER_CLASS]) | |
12620 | return -EINVAL; | |
12621 | ||
12622 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
12623 | if (err) | |
12624 | return err; | |
12625 | ||
12626 | /* | |
12627 | * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012 | |
12628 | * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the | |
12629 | * specification is not defined for them. | |
12630 | */ | |
57fbcce3 | 12631 | if (chandef.chan->band == NL80211_BAND_2GHZ && |
1057d35e AN |
12632 | chandef.width != NL80211_CHAN_WIDTH_20_NOHT && |
12633 | chandef.width != NL80211_CHAN_WIDTH_20) | |
12634 | return -EINVAL; | |
12635 | ||
12636 | /* we will be active on the TDLS link */ | |
923b352f AN |
12637 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, |
12638 | wdev->iftype)) | |
1057d35e AN |
12639 | return -EINVAL; |
12640 | ||
12641 | /* don't allow switching to DFS channels */ | |
12642 | if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype)) | |
12643 | return -EINVAL; | |
12644 | ||
12645 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
12646 | oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]); | |
12647 | ||
12648 | wdev_lock(wdev); | |
12649 | err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef); | |
12650 | wdev_unlock(wdev); | |
12651 | ||
12652 | return err; | |
12653 | } | |
12654 | ||
12655 | static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb, | |
12656 | struct genl_info *info) | |
12657 | { | |
12658 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12659 | struct net_device *dev = info->user_ptr[1]; | |
12660 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12661 | const u8 *addr; | |
12662 | ||
12663 | if (!rdev->ops->tdls_channel_switch || | |
12664 | !rdev->ops->tdls_cancel_channel_switch || | |
12665 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
12666 | return -EOPNOTSUPP; | |
12667 | ||
12668 | switch (dev->ieee80211_ptr->iftype) { | |
12669 | case NL80211_IFTYPE_STATION: | |
12670 | case NL80211_IFTYPE_P2P_CLIENT: | |
12671 | break; | |
12672 | default: | |
12673 | return -EOPNOTSUPP; | |
12674 | } | |
12675 | ||
12676 | if (!info->attrs[NL80211_ATTR_MAC]) | |
12677 | return -EINVAL; | |
12678 | ||
12679 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
12680 | ||
12681 | wdev_lock(wdev); | |
12682 | rdev_tdls_cancel_channel_switch(rdev, dev, addr); | |
12683 | wdev_unlock(wdev); | |
12684 | ||
12685 | return 0; | |
12686 | } | |
12687 | ||
ce0ce13a MB |
12688 | static int nl80211_set_multicast_to_unicast(struct sk_buff *skb, |
12689 | struct genl_info *info) | |
12690 | { | |
12691 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12692 | struct net_device *dev = info->user_ptr[1]; | |
12693 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12694 | const struct nlattr *nla; | |
12695 | bool enabled; | |
12696 | ||
ce0ce13a MB |
12697 | if (!rdev->ops->set_multicast_to_unicast) |
12698 | return -EOPNOTSUPP; | |
12699 | ||
12700 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
12701 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
12702 | return -EOPNOTSUPP; | |
12703 | ||
12704 | nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED]; | |
12705 | enabled = nla_get_flag(nla); | |
12706 | ||
12707 | return rdev_set_multicast_to_unicast(rdev, dev, enabled); | |
12708 | } | |
12709 | ||
3a00df57 AS |
12710 | static int nl80211_set_pmk(struct sk_buff *skb, struct genl_info *info) |
12711 | { | |
12712 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12713 | struct net_device *dev = info->user_ptr[1]; | |
12714 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12715 | struct cfg80211_pmk_conf pmk_conf = {}; | |
12716 | int ret; | |
12717 | ||
12718 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
12719 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
12720 | return -EOPNOTSUPP; | |
12721 | ||
12722 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
12723 | NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X)) | |
12724 | return -EOPNOTSUPP; | |
12725 | ||
12726 | if (!info->attrs[NL80211_ATTR_MAC] || !info->attrs[NL80211_ATTR_PMK]) | |
12727 | return -EINVAL; | |
12728 | ||
12729 | wdev_lock(wdev); | |
12730 | if (!wdev->current_bss) { | |
12731 | ret = -ENOTCONN; | |
12732 | goto out; | |
12733 | } | |
12734 | ||
12735 | pmk_conf.aa = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
12736 | if (memcmp(pmk_conf.aa, wdev->current_bss->pub.bssid, ETH_ALEN)) { | |
12737 | ret = -EINVAL; | |
12738 | goto out; | |
12739 | } | |
12740 | ||
12741 | pmk_conf.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]); | |
12742 | pmk_conf.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]); | |
12743 | if (pmk_conf.pmk_len != WLAN_PMK_LEN && | |
12744 | pmk_conf.pmk_len != WLAN_PMK_LEN_SUITE_B_192) { | |
12745 | ret = -EINVAL; | |
12746 | goto out; | |
12747 | } | |
12748 | ||
12749 | if (info->attrs[NL80211_ATTR_PMKR0_NAME]) { | |
12750 | int r0_name_len = nla_len(info->attrs[NL80211_ATTR_PMKR0_NAME]); | |
12751 | ||
12752 | if (r0_name_len != WLAN_PMK_NAME_LEN) { | |
12753 | ret = -EINVAL; | |
12754 | goto out; | |
12755 | } | |
12756 | ||
12757 | pmk_conf.pmk_r0_name = | |
12758 | nla_data(info->attrs[NL80211_ATTR_PMKR0_NAME]); | |
12759 | } | |
12760 | ||
12761 | ret = rdev_set_pmk(rdev, dev, &pmk_conf); | |
12762 | out: | |
12763 | wdev_unlock(wdev); | |
12764 | return ret; | |
12765 | } | |
12766 | ||
12767 | static int nl80211_del_pmk(struct sk_buff *skb, struct genl_info *info) | |
12768 | { | |
12769 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12770 | struct net_device *dev = info->user_ptr[1]; | |
12771 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12772 | const u8 *aa; | |
12773 | int ret; | |
12774 | ||
12775 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
12776 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
12777 | return -EOPNOTSUPP; | |
12778 | ||
12779 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
12780 | NL80211_EXT_FEATURE_4WAY_HANDSHAKE_STA_1X)) | |
12781 | return -EOPNOTSUPP; | |
12782 | ||
12783 | if (!info->attrs[NL80211_ATTR_MAC]) | |
12784 | return -EINVAL; | |
12785 | ||
12786 | wdev_lock(wdev); | |
12787 | aa = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
12788 | ret = rdev_del_pmk(rdev, dev, aa); | |
12789 | wdev_unlock(wdev); | |
12790 | ||
12791 | return ret; | |
12792 | } | |
12793 | ||
40cbfa90 SD |
12794 | static int nl80211_external_auth(struct sk_buff *skb, struct genl_info *info) |
12795 | { | |
12796 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12797 | struct net_device *dev = info->user_ptr[1]; | |
12798 | struct cfg80211_external_auth_params params; | |
12799 | ||
db8d93a7 | 12800 | if (!rdev->ops->external_auth) |
40cbfa90 SD |
12801 | return -EOPNOTSUPP; |
12802 | ||
12803 | if (!info->attrs[NL80211_ATTR_SSID]) | |
12804 | return -EINVAL; | |
12805 | ||
12806 | if (!info->attrs[NL80211_ATTR_BSSID]) | |
12807 | return -EINVAL; | |
12808 | ||
12809 | if (!info->attrs[NL80211_ATTR_STATUS_CODE]) | |
12810 | return -EINVAL; | |
12811 | ||
12812 | memset(¶ms, 0, sizeof(params)); | |
12813 | ||
12814 | params.ssid.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
12815 | if (params.ssid.ssid_len == 0 || | |
12816 | params.ssid.ssid_len > IEEE80211_MAX_SSID_LEN) | |
12817 | return -EINVAL; | |
12818 | memcpy(params.ssid.ssid, nla_data(info->attrs[NL80211_ATTR_SSID]), | |
12819 | params.ssid.ssid_len); | |
12820 | ||
12821 | memcpy(params.bssid, nla_data(info->attrs[NL80211_ATTR_BSSID]), | |
12822 | ETH_ALEN); | |
12823 | ||
12824 | params.status = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
12825 | ||
12826 | return rdev_external_auth(rdev, dev, ¶ms); | |
12827 | } | |
12828 | ||
2576a9ac DK |
12829 | static int nl80211_tx_control_port(struct sk_buff *skb, struct genl_info *info) |
12830 | { | |
12831 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12832 | struct net_device *dev = info->user_ptr[1]; | |
12833 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12834 | const u8 *buf; | |
12835 | size_t len; | |
12836 | u8 *dest; | |
12837 | u16 proto; | |
12838 | bool noencrypt; | |
12839 | int err; | |
12840 | ||
12841 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
12842 | NL80211_EXT_FEATURE_CONTROL_PORT_OVER_NL80211)) | |
12843 | return -EOPNOTSUPP; | |
12844 | ||
12845 | if (!rdev->ops->tx_control_port) | |
12846 | return -EOPNOTSUPP; | |
12847 | ||
12848 | if (!info->attrs[NL80211_ATTR_FRAME] || | |
12849 | !info->attrs[NL80211_ATTR_MAC] || | |
12850 | !info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { | |
12851 | GENL_SET_ERR_MSG(info, "Frame, MAC or ethertype missing"); | |
12852 | return -EINVAL; | |
12853 | } | |
12854 | ||
12855 | wdev_lock(wdev); | |
12856 | ||
12857 | switch (wdev->iftype) { | |
12858 | case NL80211_IFTYPE_AP: | |
12859 | case NL80211_IFTYPE_P2P_GO: | |
12860 | case NL80211_IFTYPE_MESH_POINT: | |
12861 | break; | |
12862 | case NL80211_IFTYPE_ADHOC: | |
12863 | case NL80211_IFTYPE_STATION: | |
12864 | case NL80211_IFTYPE_P2P_CLIENT: | |
12865 | if (wdev->current_bss) | |
12866 | break; | |
12867 | err = -ENOTCONN; | |
12868 | goto out; | |
12869 | default: | |
12870 | err = -EOPNOTSUPP; | |
12871 | goto out; | |
12872 | } | |
12873 | ||
12874 | wdev_unlock(wdev); | |
12875 | ||
12876 | buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); | |
12877 | len = nla_len(info->attrs[NL80211_ATTR_FRAME]); | |
12878 | dest = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
12879 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
12880 | noencrypt = | |
12881 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]); | |
12882 | ||
12883 | return rdev_tx_control_port(rdev, dev, buf, len, | |
12884 | dest, cpu_to_be16(proto), noencrypt); | |
12885 | ||
12886 | out: | |
12887 | wdev_unlock(wdev); | |
12888 | return err; | |
12889 | } | |
12890 | ||
4c476991 JB |
12891 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
12892 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
12893 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
12894 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
12895 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
12896 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 12897 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 12898 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
12899 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
12900 | NL80211_FLAG_CHECK_NETDEV_UP) | |
5393b917 | 12901 | #define NL80211_FLAG_CLEAR_SKB 0x20 |
4c476991 | 12902 | |
f84f771d | 12903 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
12904 | struct genl_info *info) |
12905 | { | |
12906 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 12907 | struct wireless_dev *wdev; |
4c476991 | 12908 | struct net_device *dev; |
4c476991 JB |
12909 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
12910 | ||
12911 | if (rtnl) | |
12912 | rtnl_lock(); | |
12913 | ||
12914 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 12915 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
12916 | if (IS_ERR(rdev)) { |
12917 | if (rtnl) | |
12918 | rtnl_unlock(); | |
12919 | return PTR_ERR(rdev); | |
12920 | } | |
12921 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
12922 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
12923 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
5fe231e8 JB |
12924 | ASSERT_RTNL(); |
12925 | ||
89a54e48 JB |
12926 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), |
12927 | info->attrs); | |
12928 | if (IS_ERR(wdev)) { | |
4c476991 JB |
12929 | if (rtnl) |
12930 | rtnl_unlock(); | |
89a54e48 | 12931 | return PTR_ERR(wdev); |
4c476991 | 12932 | } |
89a54e48 | 12933 | |
89a54e48 | 12934 | dev = wdev->netdev; |
f26cbf40 | 12935 | rdev = wiphy_to_rdev(wdev->wiphy); |
89a54e48 | 12936 | |
1bf614ef JB |
12937 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
12938 | if (!dev) { | |
1bf614ef JB |
12939 | if (rtnl) |
12940 | rtnl_unlock(); | |
12941 | return -EINVAL; | |
12942 | } | |
12943 | ||
12944 | info->user_ptr[1] = dev; | |
12945 | } else { | |
12946 | info->user_ptr[1] = wdev; | |
41265714 | 12947 | } |
1bf614ef | 12948 | |
73c7da3d AVS |
12949 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && |
12950 | !wdev_running(wdev)) { | |
12951 | if (rtnl) | |
12952 | rtnl_unlock(); | |
12953 | return -ENETDOWN; | |
12954 | } | |
1bf614ef | 12955 | |
73c7da3d | 12956 | if (dev) |
1bf614ef | 12957 | dev_hold(dev); |
89a54e48 | 12958 | |
4c476991 | 12959 | info->user_ptr[0] = rdev; |
4c476991 JB |
12960 | } |
12961 | ||
12962 | return 0; | |
12963 | } | |
12964 | ||
f84f771d | 12965 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
12966 | struct genl_info *info) |
12967 | { | |
1bf614ef JB |
12968 | if (info->user_ptr[1]) { |
12969 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
12970 | struct wireless_dev *wdev = info->user_ptr[1]; | |
12971 | ||
12972 | if (wdev->netdev) | |
12973 | dev_put(wdev->netdev); | |
12974 | } else { | |
12975 | dev_put(info->user_ptr[1]); | |
12976 | } | |
12977 | } | |
5393b917 | 12978 | |
4c476991 JB |
12979 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
12980 | rtnl_unlock(); | |
5393b917 JB |
12981 | |
12982 | /* If needed, clear the netlink message payload from the SKB | |
12983 | * as it might contain key data that shouldn't stick around on | |
12984 | * the heap after the SKB is freed. The netlink message header | |
12985 | * is still needed for further processing, so leave it intact. | |
12986 | */ | |
12987 | if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) { | |
12988 | struct nlmsghdr *nlh = nlmsg_hdr(skb); | |
12989 | ||
12990 | memset(nlmsg_data(nlh), 0, nlmsg_len(nlh)); | |
12991 | } | |
4c476991 JB |
12992 | } |
12993 | ||
4534de83 | 12994 | static const struct genl_ops nl80211_ops[] = { |
55682965 JB |
12995 | { |
12996 | .cmd = NL80211_CMD_GET_WIPHY, | |
12997 | .doit = nl80211_get_wiphy, | |
12998 | .dumpit = nl80211_dump_wiphy, | |
86e8cf98 | 12999 | .done = nl80211_dump_wiphy_done, |
55682965 JB |
13000 | .policy = nl80211_policy, |
13001 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
13002 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
13003 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
13004 | }, |
13005 | { | |
13006 | .cmd = NL80211_CMD_SET_WIPHY, | |
13007 | .doit = nl80211_set_wiphy, | |
13008 | .policy = nl80211_policy, | |
5617c6cd | 13009 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 | 13010 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
13011 | }, |
13012 | { | |
13013 | .cmd = NL80211_CMD_GET_INTERFACE, | |
13014 | .doit = nl80211_get_interface, | |
13015 | .dumpit = nl80211_dump_interface, | |
13016 | .policy = nl80211_policy, | |
13017 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
13018 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
13019 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
13020 | }, |
13021 | { | |
13022 | .cmd = NL80211_CMD_SET_INTERFACE, | |
13023 | .doit = nl80211_set_interface, | |
13024 | .policy = nl80211_policy, | |
5617c6cd | 13025 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
13026 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
13027 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
13028 | }, |
13029 | { | |
13030 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
13031 | .doit = nl80211_new_interface, | |
13032 | .policy = nl80211_policy, | |
5617c6cd | 13033 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
13034 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
13035 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
13036 | }, |
13037 | { | |
13038 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
13039 | .doit = nl80211_del_interface, | |
13040 | .policy = nl80211_policy, | |
5617c6cd | 13041 | .flags = GENL_UNS_ADMIN_PERM, |
84efbb84 | 13042 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 13043 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
13044 | }, |
13045 | { | |
13046 | .cmd = NL80211_CMD_GET_KEY, | |
13047 | .doit = nl80211_get_key, | |
13048 | .policy = nl80211_policy, | |
5617c6cd | 13049 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 13050 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13051 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
13052 | }, |
13053 | { | |
13054 | .cmd = NL80211_CMD_SET_KEY, | |
13055 | .doit = nl80211_set_key, | |
13056 | .policy = nl80211_policy, | |
5617c6cd | 13057 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 13058 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
13059 | NL80211_FLAG_NEED_RTNL | |
13060 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
13061 | }, |
13062 | { | |
13063 | .cmd = NL80211_CMD_NEW_KEY, | |
13064 | .doit = nl80211_new_key, | |
13065 | .policy = nl80211_policy, | |
5617c6cd | 13066 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 13067 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
13068 | NL80211_FLAG_NEED_RTNL | |
13069 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
13070 | }, |
13071 | { | |
13072 | .cmd = NL80211_CMD_DEL_KEY, | |
13073 | .doit = nl80211_del_key, | |
13074 | .policy = nl80211_policy, | |
5617c6cd | 13075 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 13076 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13077 | NL80211_FLAG_NEED_RTNL, |
55682965 | 13078 | }, |
ed1b6cc7 JB |
13079 | { |
13080 | .cmd = NL80211_CMD_SET_BEACON, | |
13081 | .policy = nl80211_policy, | |
5617c6cd | 13082 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 13083 | .doit = nl80211_set_beacon, |
2b5f8b0b | 13084 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13085 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
13086 | }, |
13087 | { | |
8860020e | 13088 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 | 13089 | .policy = nl80211_policy, |
5617c6cd | 13090 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 13091 | .doit = nl80211_start_ap, |
2b5f8b0b | 13092 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13093 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
13094 | }, |
13095 | { | |
8860020e | 13096 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 | 13097 | .policy = nl80211_policy, |
5617c6cd | 13098 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 13099 | .doit = nl80211_stop_ap, |
2b5f8b0b | 13100 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13101 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 13102 | }, |
5727ef1b JB |
13103 | { |
13104 | .cmd = NL80211_CMD_GET_STATION, | |
13105 | .doit = nl80211_get_station, | |
2ec600d6 | 13106 | .dumpit = nl80211_dump_station, |
5727ef1b | 13107 | .policy = nl80211_policy, |
4c476991 JB |
13108 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
13109 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
13110 | }, |
13111 | { | |
13112 | .cmd = NL80211_CMD_SET_STATION, | |
13113 | .doit = nl80211_set_station, | |
13114 | .policy = nl80211_policy, | |
5617c6cd | 13115 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 13116 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13117 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
13118 | }, |
13119 | { | |
13120 | .cmd = NL80211_CMD_NEW_STATION, | |
13121 | .doit = nl80211_new_station, | |
13122 | .policy = nl80211_policy, | |
5617c6cd | 13123 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 13124 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13125 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
13126 | }, |
13127 | { | |
13128 | .cmd = NL80211_CMD_DEL_STATION, | |
13129 | .doit = nl80211_del_station, | |
13130 | .policy = nl80211_policy, | |
5617c6cd | 13131 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 13132 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13133 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
13134 | }, |
13135 | { | |
13136 | .cmd = NL80211_CMD_GET_MPATH, | |
13137 | .doit = nl80211_get_mpath, | |
13138 | .dumpit = nl80211_dump_mpath, | |
13139 | .policy = nl80211_policy, | |
5617c6cd | 13140 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 13141 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13142 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 | 13143 | }, |
66be7d2b HR |
13144 | { |
13145 | .cmd = NL80211_CMD_GET_MPP, | |
13146 | .doit = nl80211_get_mpp, | |
13147 | .dumpit = nl80211_dump_mpp, | |
13148 | .policy = nl80211_policy, | |
5617c6cd | 13149 | .flags = GENL_UNS_ADMIN_PERM, |
66be7d2b HR |
13150 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13151 | NL80211_FLAG_NEED_RTNL, | |
13152 | }, | |
2ec600d6 LCC |
13153 | { |
13154 | .cmd = NL80211_CMD_SET_MPATH, | |
13155 | .doit = nl80211_set_mpath, | |
13156 | .policy = nl80211_policy, | |
5617c6cd | 13157 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 13158 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13159 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
13160 | }, |
13161 | { | |
13162 | .cmd = NL80211_CMD_NEW_MPATH, | |
13163 | .doit = nl80211_new_mpath, | |
13164 | .policy = nl80211_policy, | |
5617c6cd | 13165 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 13166 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13167 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
13168 | }, |
13169 | { | |
13170 | .cmd = NL80211_CMD_DEL_MPATH, | |
13171 | .doit = nl80211_del_mpath, | |
13172 | .policy = nl80211_policy, | |
5617c6cd | 13173 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 13174 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13175 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
13176 | }, |
13177 | { | |
13178 | .cmd = NL80211_CMD_SET_BSS, | |
13179 | .doit = nl80211_set_bss, | |
13180 | .policy = nl80211_policy, | |
5617c6cd | 13181 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 13182 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13183 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 13184 | }, |
f130347c LR |
13185 | { |
13186 | .cmd = NL80211_CMD_GET_REG, | |
ad30ca2c AN |
13187 | .doit = nl80211_get_reg_do, |
13188 | .dumpit = nl80211_get_reg_dump, | |
f130347c | 13189 | .policy = nl80211_policy, |
5fe231e8 | 13190 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
f130347c LR |
13191 | /* can be retrieved by unprivileged users */ |
13192 | }, | |
b6863036 | 13193 | #ifdef CONFIG_CFG80211_CRDA_SUPPORT |
b2e1b302 LR |
13194 | { |
13195 | .cmd = NL80211_CMD_SET_REG, | |
13196 | .doit = nl80211_set_reg, | |
13197 | .policy = nl80211_policy, | |
13198 | .flags = GENL_ADMIN_PERM, | |
5fe231e8 | 13199 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 13200 | }, |
b6863036 | 13201 | #endif |
b2e1b302 LR |
13202 | { |
13203 | .cmd = NL80211_CMD_REQ_SET_REG, | |
13204 | .doit = nl80211_req_set_reg, | |
13205 | .policy = nl80211_policy, | |
93da9cc1 | 13206 | .flags = GENL_ADMIN_PERM, |
13207 | }, | |
1ea4ff3e JB |
13208 | { |
13209 | .cmd = NL80211_CMD_RELOAD_REGDB, | |
13210 | .doit = nl80211_reload_regdb, | |
13211 | .policy = nl80211_policy, | |
13212 | .flags = GENL_ADMIN_PERM, | |
13213 | }, | |
93da9cc1 | 13214 | { |
24bdd9f4 JC |
13215 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
13216 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 13217 | .policy = nl80211_policy, |
13218 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 13219 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13220 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 13221 | }, |
13222 | { | |
24bdd9f4 JC |
13223 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
13224 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 13225 | .policy = nl80211_policy, |
5617c6cd | 13226 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c | 13227 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13228 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 13229 | }, |
2a519311 JB |
13230 | { |
13231 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
13232 | .doit = nl80211_trigger_scan, | |
13233 | .policy = nl80211_policy, | |
5617c6cd | 13234 | .flags = GENL_UNS_ADMIN_PERM, |
fd014284 | 13235 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 13236 | NL80211_FLAG_NEED_RTNL, |
2a519311 | 13237 | }, |
91d3ab46 VK |
13238 | { |
13239 | .cmd = NL80211_CMD_ABORT_SCAN, | |
13240 | .doit = nl80211_abort_scan, | |
13241 | .policy = nl80211_policy, | |
5617c6cd | 13242 | .flags = GENL_UNS_ADMIN_PERM, |
91d3ab46 VK |
13243 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
13244 | NL80211_FLAG_NEED_RTNL, | |
13245 | }, | |
2a519311 JB |
13246 | { |
13247 | .cmd = NL80211_CMD_GET_SCAN, | |
13248 | .policy = nl80211_policy, | |
13249 | .dumpit = nl80211_dump_scan, | |
13250 | }, | |
807f8a8c LC |
13251 | { |
13252 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
13253 | .doit = nl80211_start_sched_scan, | |
13254 | .policy = nl80211_policy, | |
5617c6cd | 13255 | .flags = GENL_UNS_ADMIN_PERM, |
807f8a8c LC |
13256 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13257 | NL80211_FLAG_NEED_RTNL, | |
13258 | }, | |
13259 | { | |
13260 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
13261 | .doit = nl80211_stop_sched_scan, | |
13262 | .policy = nl80211_policy, | |
5617c6cd | 13263 | .flags = GENL_UNS_ADMIN_PERM, |
807f8a8c LC |
13264 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13265 | NL80211_FLAG_NEED_RTNL, | |
13266 | }, | |
636a5d36 JM |
13267 | { |
13268 | .cmd = NL80211_CMD_AUTHENTICATE, | |
13269 | .doit = nl80211_authenticate, | |
13270 | .policy = nl80211_policy, | |
5617c6cd | 13271 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 13272 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
13273 | NL80211_FLAG_NEED_RTNL | |
13274 | NL80211_FLAG_CLEAR_SKB, | |
636a5d36 JM |
13275 | }, |
13276 | { | |
13277 | .cmd = NL80211_CMD_ASSOCIATE, | |
13278 | .doit = nl80211_associate, | |
13279 | .policy = nl80211_policy, | |
5617c6cd | 13280 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 13281 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13282 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
13283 | }, |
13284 | { | |
13285 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
13286 | .doit = nl80211_deauthenticate, | |
13287 | .policy = nl80211_policy, | |
5617c6cd | 13288 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 13289 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13290 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
13291 | }, |
13292 | { | |
13293 | .cmd = NL80211_CMD_DISASSOCIATE, | |
13294 | .doit = nl80211_disassociate, | |
13295 | .policy = nl80211_policy, | |
5617c6cd | 13296 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 13297 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13298 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 13299 | }, |
04a773ad JB |
13300 | { |
13301 | .cmd = NL80211_CMD_JOIN_IBSS, | |
13302 | .doit = nl80211_join_ibss, | |
13303 | .policy = nl80211_policy, | |
5617c6cd | 13304 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 13305 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13306 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
13307 | }, |
13308 | { | |
13309 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
13310 | .doit = nl80211_leave_ibss, | |
13311 | .policy = nl80211_policy, | |
5617c6cd | 13312 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 13313 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13314 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 13315 | }, |
aff89a9b JB |
13316 | #ifdef CONFIG_NL80211_TESTMODE |
13317 | { | |
13318 | .cmd = NL80211_CMD_TESTMODE, | |
13319 | .doit = nl80211_testmode_do, | |
71063f0e | 13320 | .dumpit = nl80211_testmode_dump, |
aff89a9b | 13321 | .policy = nl80211_policy, |
5617c6cd | 13322 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
13323 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
13324 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
13325 | }, |
13326 | #endif | |
b23aa676 SO |
13327 | { |
13328 | .cmd = NL80211_CMD_CONNECT, | |
13329 | .doit = nl80211_connect, | |
13330 | .policy = nl80211_policy, | |
5617c6cd | 13331 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 13332 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13333 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 13334 | }, |
088e8df8 | 13335 | { |
13336 | .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS, | |
13337 | .doit = nl80211_update_connect_params, | |
13338 | .policy = nl80211_policy, | |
13339 | .flags = GENL_ADMIN_PERM, | |
13340 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
13341 | NL80211_FLAG_NEED_RTNL, | |
13342 | }, | |
b23aa676 SO |
13343 | { |
13344 | .cmd = NL80211_CMD_DISCONNECT, | |
13345 | .doit = nl80211_disconnect, | |
13346 | .policy = nl80211_policy, | |
5617c6cd | 13347 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 13348 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13349 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 13350 | }, |
463d0183 JB |
13351 | { |
13352 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
13353 | .doit = nl80211_wiphy_netns, | |
13354 | .policy = nl80211_policy, | |
5617c6cd | 13355 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
13356 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
13357 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 13358 | }, |
61fa713c HS |
13359 | { |
13360 | .cmd = NL80211_CMD_GET_SURVEY, | |
13361 | .policy = nl80211_policy, | |
13362 | .dumpit = nl80211_dump_survey, | |
13363 | }, | |
67fbb16b SO |
13364 | { |
13365 | .cmd = NL80211_CMD_SET_PMKSA, | |
13366 | .doit = nl80211_setdel_pmksa, | |
13367 | .policy = nl80211_policy, | |
5617c6cd | 13368 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 13369 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13370 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
13371 | }, |
13372 | { | |
13373 | .cmd = NL80211_CMD_DEL_PMKSA, | |
13374 | .doit = nl80211_setdel_pmksa, | |
13375 | .policy = nl80211_policy, | |
5617c6cd | 13376 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 13377 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13378 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
13379 | }, |
13380 | { | |
13381 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
13382 | .doit = nl80211_flush_pmksa, | |
13383 | .policy = nl80211_policy, | |
5617c6cd | 13384 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 13385 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 13386 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 13387 | }, |
9588bbd5 JM |
13388 | { |
13389 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
13390 | .doit = nl80211_remain_on_channel, | |
13391 | .policy = nl80211_policy, | |
5617c6cd | 13392 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 13393 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 13394 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
13395 | }, |
13396 | { | |
13397 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
13398 | .doit = nl80211_cancel_remain_on_channel, | |
13399 | .policy = nl80211_policy, | |
5617c6cd | 13400 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 13401 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 13402 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 13403 | }, |
13ae75b1 JM |
13404 | { |
13405 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
13406 | .doit = nl80211_set_tx_bitrate_mask, | |
13407 | .policy = nl80211_policy, | |
5617c6cd | 13408 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
13409 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
13410 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 13411 | }, |
026331c4 | 13412 | { |
2e161f78 JB |
13413 | .cmd = NL80211_CMD_REGISTER_FRAME, |
13414 | .doit = nl80211_register_mgmt, | |
026331c4 | 13415 | .policy = nl80211_policy, |
5617c6cd | 13416 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 13417 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 13418 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
13419 | }, |
13420 | { | |
2e161f78 JB |
13421 | .cmd = NL80211_CMD_FRAME, |
13422 | .doit = nl80211_tx_mgmt, | |
026331c4 | 13423 | .policy = nl80211_policy, |
5617c6cd | 13424 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 13425 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
13426 | NL80211_FLAG_NEED_RTNL, |
13427 | }, | |
13428 | { | |
13429 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
13430 | .doit = nl80211_tx_mgmt_cancel_wait, | |
13431 | .policy = nl80211_policy, | |
5617c6cd | 13432 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 13433 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 13434 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 13435 | }, |
ffb9eb3d KV |
13436 | { |
13437 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
13438 | .doit = nl80211_set_power_save, | |
13439 | .policy = nl80211_policy, | |
5617c6cd | 13440 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
13441 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
13442 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
13443 | }, |
13444 | { | |
13445 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
13446 | .doit = nl80211_get_power_save, | |
13447 | .policy = nl80211_policy, | |
13448 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
13449 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
13450 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 13451 | }, |
d6dc1a38 JO |
13452 | { |
13453 | .cmd = NL80211_CMD_SET_CQM, | |
13454 | .doit = nl80211_set_cqm, | |
13455 | .policy = nl80211_policy, | |
5617c6cd | 13456 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
13457 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
13458 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 13459 | }, |
f444de05 JB |
13460 | { |
13461 | .cmd = NL80211_CMD_SET_CHANNEL, | |
13462 | .doit = nl80211_set_channel, | |
13463 | .policy = nl80211_policy, | |
5617c6cd | 13464 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
13465 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
13466 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 13467 | }, |
e8347eba BJ |
13468 | { |
13469 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
13470 | .doit = nl80211_set_wds_peer, | |
13471 | .policy = nl80211_policy, | |
5617c6cd | 13472 | .flags = GENL_UNS_ADMIN_PERM, |
43b19952 JB |
13473 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
13474 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 13475 | }, |
29cbe68c JB |
13476 | { |
13477 | .cmd = NL80211_CMD_JOIN_MESH, | |
13478 | .doit = nl80211_join_mesh, | |
13479 | .policy = nl80211_policy, | |
5617c6cd | 13480 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c JB |
13481 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13482 | NL80211_FLAG_NEED_RTNL, | |
13483 | }, | |
13484 | { | |
13485 | .cmd = NL80211_CMD_LEAVE_MESH, | |
13486 | .doit = nl80211_leave_mesh, | |
13487 | .policy = nl80211_policy, | |
5617c6cd | 13488 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c JB |
13489 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13490 | NL80211_FLAG_NEED_RTNL, | |
13491 | }, | |
6e0bd6c3 RL |
13492 | { |
13493 | .cmd = NL80211_CMD_JOIN_OCB, | |
13494 | .doit = nl80211_join_ocb, | |
13495 | .policy = nl80211_policy, | |
5617c6cd | 13496 | .flags = GENL_UNS_ADMIN_PERM, |
6e0bd6c3 RL |
13497 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13498 | NL80211_FLAG_NEED_RTNL, | |
13499 | }, | |
13500 | { | |
13501 | .cmd = NL80211_CMD_LEAVE_OCB, | |
13502 | .doit = nl80211_leave_ocb, | |
13503 | .policy = nl80211_policy, | |
5617c6cd | 13504 | .flags = GENL_UNS_ADMIN_PERM, |
6e0bd6c3 RL |
13505 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13506 | NL80211_FLAG_NEED_RTNL, | |
13507 | }, | |
dfb89c56 | 13508 | #ifdef CONFIG_PM |
ff1b6e69 JB |
13509 | { |
13510 | .cmd = NL80211_CMD_GET_WOWLAN, | |
13511 | .doit = nl80211_get_wowlan, | |
13512 | .policy = nl80211_policy, | |
13513 | /* can be retrieved by unprivileged users */ | |
13514 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
13515 | NL80211_FLAG_NEED_RTNL, | |
13516 | }, | |
13517 | { | |
13518 | .cmd = NL80211_CMD_SET_WOWLAN, | |
13519 | .doit = nl80211_set_wowlan, | |
13520 | .policy = nl80211_policy, | |
5617c6cd | 13521 | .flags = GENL_UNS_ADMIN_PERM, |
ff1b6e69 JB |
13522 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
13523 | NL80211_FLAG_NEED_RTNL, | |
13524 | }, | |
dfb89c56 | 13525 | #endif |
e5497d76 JB |
13526 | { |
13527 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
13528 | .doit = nl80211_set_rekey_data, | |
13529 | .policy = nl80211_policy, | |
5617c6cd | 13530 | .flags = GENL_UNS_ADMIN_PERM, |
e5497d76 | 13531 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
13532 | NL80211_FLAG_NEED_RTNL | |
13533 | NL80211_FLAG_CLEAR_SKB, | |
e5497d76 | 13534 | }, |
109086ce AN |
13535 | { |
13536 | .cmd = NL80211_CMD_TDLS_MGMT, | |
13537 | .doit = nl80211_tdls_mgmt, | |
13538 | .policy = nl80211_policy, | |
5617c6cd | 13539 | .flags = GENL_UNS_ADMIN_PERM, |
109086ce AN |
13540 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13541 | NL80211_FLAG_NEED_RTNL, | |
13542 | }, | |
13543 | { | |
13544 | .cmd = NL80211_CMD_TDLS_OPER, | |
13545 | .doit = nl80211_tdls_oper, | |
13546 | .policy = nl80211_policy, | |
5617c6cd | 13547 | .flags = GENL_UNS_ADMIN_PERM, |
109086ce AN |
13548 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13549 | NL80211_FLAG_NEED_RTNL, | |
13550 | }, | |
28946da7 JB |
13551 | { |
13552 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
13553 | .doit = nl80211_register_unexpected_frame, | |
13554 | .policy = nl80211_policy, | |
5617c6cd | 13555 | .flags = GENL_UNS_ADMIN_PERM, |
28946da7 JB |
13556 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
13557 | NL80211_FLAG_NEED_RTNL, | |
13558 | }, | |
7f6cf311 JB |
13559 | { |
13560 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
13561 | .doit = nl80211_probe_client, | |
13562 | .policy = nl80211_policy, | |
5617c6cd | 13563 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 13564 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
13565 | NL80211_FLAG_NEED_RTNL, |
13566 | }, | |
5e760230 JB |
13567 | { |
13568 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
13569 | .doit = nl80211_register_beacons, | |
13570 | .policy = nl80211_policy, | |
5617c6cd | 13571 | .flags = GENL_UNS_ADMIN_PERM, |
5e760230 JB |
13572 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
13573 | NL80211_FLAG_NEED_RTNL, | |
13574 | }, | |
1d9d9213 SW |
13575 | { |
13576 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
13577 | .doit = nl80211_set_noack_map, | |
13578 | .policy = nl80211_policy, | |
5617c6cd | 13579 | .flags = GENL_UNS_ADMIN_PERM, |
1d9d9213 SW |
13580 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
13581 | NL80211_FLAG_NEED_RTNL, | |
13582 | }, | |
98104fde JB |
13583 | { |
13584 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
13585 | .doit = nl80211_start_p2p_device, | |
13586 | .policy = nl80211_policy, | |
5617c6cd | 13587 | .flags = GENL_UNS_ADMIN_PERM, |
98104fde JB |
13588 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
13589 | NL80211_FLAG_NEED_RTNL, | |
13590 | }, | |
13591 | { | |
13592 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
13593 | .doit = nl80211_stop_p2p_device, | |
13594 | .policy = nl80211_policy, | |
5617c6cd | 13595 | .flags = GENL_UNS_ADMIN_PERM, |
98104fde JB |
13596 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
13597 | NL80211_FLAG_NEED_RTNL, | |
cb3b7d87 AB |
13598 | }, |
13599 | { | |
13600 | .cmd = NL80211_CMD_START_NAN, | |
13601 | .doit = nl80211_start_nan, | |
13602 | .policy = nl80211_policy, | |
13603 | .flags = GENL_ADMIN_PERM, | |
13604 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
13605 | NL80211_FLAG_NEED_RTNL, | |
13606 | }, | |
13607 | { | |
13608 | .cmd = NL80211_CMD_STOP_NAN, | |
13609 | .doit = nl80211_stop_nan, | |
13610 | .policy = nl80211_policy, | |
13611 | .flags = GENL_ADMIN_PERM, | |
13612 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
13613 | NL80211_FLAG_NEED_RTNL, | |
a442b761 AB |
13614 | }, |
13615 | { | |
13616 | .cmd = NL80211_CMD_ADD_NAN_FUNCTION, | |
13617 | .doit = nl80211_nan_add_func, | |
13618 | .policy = nl80211_policy, | |
13619 | .flags = GENL_ADMIN_PERM, | |
13620 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
13621 | NL80211_FLAG_NEED_RTNL, | |
13622 | }, | |
13623 | { | |
13624 | .cmd = NL80211_CMD_DEL_NAN_FUNCTION, | |
13625 | .doit = nl80211_nan_del_func, | |
13626 | .policy = nl80211_policy, | |
13627 | .flags = GENL_ADMIN_PERM, | |
13628 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
13629 | NL80211_FLAG_NEED_RTNL, | |
a5a9dcf2 AB |
13630 | }, |
13631 | { | |
13632 | .cmd = NL80211_CMD_CHANGE_NAN_CONFIG, | |
13633 | .doit = nl80211_nan_change_config, | |
13634 | .policy = nl80211_policy, | |
13635 | .flags = GENL_ADMIN_PERM, | |
13636 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
13637 | NL80211_FLAG_NEED_RTNL, | |
98104fde | 13638 | }, |
f4e583c8 AQ |
13639 | { |
13640 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
13641 | .doit = nl80211_set_mcast_rate, | |
77765eaf | 13642 | .policy = nl80211_policy, |
5617c6cd | 13643 | .flags = GENL_UNS_ADMIN_PERM, |
77765eaf VT |
13644 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
13645 | NL80211_FLAG_NEED_RTNL, | |
13646 | }, | |
13647 | { | |
13648 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
13649 | .doit = nl80211_set_mac_acl, | |
f4e583c8 | 13650 | .policy = nl80211_policy, |
5617c6cd | 13651 | .flags = GENL_UNS_ADMIN_PERM, |
f4e583c8 AQ |
13652 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
13653 | NL80211_FLAG_NEED_RTNL, | |
13654 | }, | |
04f39047 SW |
13655 | { |
13656 | .cmd = NL80211_CMD_RADAR_DETECT, | |
13657 | .doit = nl80211_start_radar_detection, | |
13658 | .policy = nl80211_policy, | |
5617c6cd | 13659 | .flags = GENL_UNS_ADMIN_PERM, |
04f39047 SW |
13660 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13661 | NL80211_FLAG_NEED_RTNL, | |
13662 | }, | |
3713b4e3 JB |
13663 | { |
13664 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
13665 | .doit = nl80211_get_protocol_features, | |
13666 | .policy = nl80211_policy, | |
13667 | }, | |
355199e0 JM |
13668 | { |
13669 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
13670 | .doit = nl80211_update_ft_ies, | |
13671 | .policy = nl80211_policy, | |
5617c6cd | 13672 | .flags = GENL_UNS_ADMIN_PERM, |
355199e0 JM |
13673 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13674 | NL80211_FLAG_NEED_RTNL, | |
13675 | }, | |
5de17984 AS |
13676 | { |
13677 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
13678 | .doit = nl80211_crit_protocol_start, | |
13679 | .policy = nl80211_policy, | |
5617c6cd | 13680 | .flags = GENL_UNS_ADMIN_PERM, |
5de17984 AS |
13681 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
13682 | NL80211_FLAG_NEED_RTNL, | |
13683 | }, | |
13684 | { | |
13685 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
13686 | .doit = nl80211_crit_protocol_stop, | |
13687 | .policy = nl80211_policy, | |
5617c6cd | 13688 | .flags = GENL_UNS_ADMIN_PERM, |
5de17984 AS |
13689 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
13690 | NL80211_FLAG_NEED_RTNL, | |
be29b99a AK |
13691 | }, |
13692 | { | |
13693 | .cmd = NL80211_CMD_GET_COALESCE, | |
13694 | .doit = nl80211_get_coalesce, | |
13695 | .policy = nl80211_policy, | |
13696 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
13697 | NL80211_FLAG_NEED_RTNL, | |
13698 | }, | |
13699 | { | |
13700 | .cmd = NL80211_CMD_SET_COALESCE, | |
13701 | .doit = nl80211_set_coalesce, | |
13702 | .policy = nl80211_policy, | |
5617c6cd | 13703 | .flags = GENL_UNS_ADMIN_PERM, |
be29b99a AK |
13704 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
13705 | NL80211_FLAG_NEED_RTNL, | |
16ef1fe2 SW |
13706 | }, |
13707 | { | |
13708 | .cmd = NL80211_CMD_CHANNEL_SWITCH, | |
13709 | .doit = nl80211_channel_switch, | |
13710 | .policy = nl80211_policy, | |
5617c6cd | 13711 | .flags = GENL_UNS_ADMIN_PERM, |
16ef1fe2 SW |
13712 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13713 | NL80211_FLAG_NEED_RTNL, | |
13714 | }, | |
ad7e718c JB |
13715 | { |
13716 | .cmd = NL80211_CMD_VENDOR, | |
13717 | .doit = nl80211_vendor_cmd, | |
7bdbe400 | 13718 | .dumpit = nl80211_vendor_cmd_dump, |
ad7e718c | 13719 | .policy = nl80211_policy, |
5617c6cd | 13720 | .flags = GENL_UNS_ADMIN_PERM, |
ad7e718c JB |
13721 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
13722 | NL80211_FLAG_NEED_RTNL, | |
13723 | }, | |
fa9ffc74 KP |
13724 | { |
13725 | .cmd = NL80211_CMD_SET_QOS_MAP, | |
13726 | .doit = nl80211_set_qos_map, | |
13727 | .policy = nl80211_policy, | |
5617c6cd | 13728 | .flags = GENL_UNS_ADMIN_PERM, |
fa9ffc74 KP |
13729 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13730 | NL80211_FLAG_NEED_RTNL, | |
13731 | }, | |
960d01ac JB |
13732 | { |
13733 | .cmd = NL80211_CMD_ADD_TX_TS, | |
13734 | .doit = nl80211_add_tx_ts, | |
13735 | .policy = nl80211_policy, | |
5617c6cd | 13736 | .flags = GENL_UNS_ADMIN_PERM, |
960d01ac JB |
13737 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13738 | NL80211_FLAG_NEED_RTNL, | |
13739 | }, | |
13740 | { | |
13741 | .cmd = NL80211_CMD_DEL_TX_TS, | |
13742 | .doit = nl80211_del_tx_ts, | |
13743 | .policy = nl80211_policy, | |
5617c6cd | 13744 | .flags = GENL_UNS_ADMIN_PERM, |
960d01ac JB |
13745 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13746 | NL80211_FLAG_NEED_RTNL, | |
13747 | }, | |
1057d35e AN |
13748 | { |
13749 | .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH, | |
13750 | .doit = nl80211_tdls_channel_switch, | |
13751 | .policy = nl80211_policy, | |
5617c6cd | 13752 | .flags = GENL_UNS_ADMIN_PERM, |
1057d35e AN |
13753 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13754 | NL80211_FLAG_NEED_RTNL, | |
13755 | }, | |
13756 | { | |
13757 | .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH, | |
13758 | .doit = nl80211_tdls_cancel_channel_switch, | |
13759 | .policy = nl80211_policy, | |
5617c6cd | 13760 | .flags = GENL_UNS_ADMIN_PERM, |
1057d35e AN |
13761 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13762 | NL80211_FLAG_NEED_RTNL, | |
13763 | }, | |
ce0ce13a MB |
13764 | { |
13765 | .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST, | |
13766 | .doit = nl80211_set_multicast_to_unicast, | |
13767 | .policy = nl80211_policy, | |
13768 | .flags = GENL_UNS_ADMIN_PERM, | |
13769 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
13770 | NL80211_FLAG_NEED_RTNL, | |
13771 | }, | |
3a00df57 AS |
13772 | { |
13773 | .cmd = NL80211_CMD_SET_PMK, | |
13774 | .doit = nl80211_set_pmk, | |
13775 | .policy = nl80211_policy, | |
13776 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
13777 | NL80211_FLAG_NEED_RTNL, | |
13778 | }, | |
13779 | { | |
13780 | .cmd = NL80211_CMD_DEL_PMK, | |
13781 | .doit = nl80211_del_pmk, | |
13782 | .policy = nl80211_policy, | |
13783 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
13784 | NL80211_FLAG_NEED_RTNL, | |
13785 | }, | |
40cbfa90 SD |
13786 | { |
13787 | .cmd = NL80211_CMD_EXTERNAL_AUTH, | |
13788 | .doit = nl80211_external_auth, | |
13789 | .policy = nl80211_policy, | |
13790 | .flags = GENL_ADMIN_PERM, | |
13791 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
13792 | NL80211_FLAG_NEED_RTNL, | |
13793 | }, | |
2576a9ac DK |
13794 | { |
13795 | .cmd = NL80211_CMD_CONTROL_PORT_FRAME, | |
13796 | .doit = nl80211_tx_control_port, | |
13797 | .policy = nl80211_policy, | |
13798 | .flags = GENL_UNS_ADMIN_PERM, | |
13799 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
13800 | NL80211_FLAG_NEED_RTNL, | |
13801 | }, | |
55682965 | 13802 | }; |
9588bbd5 | 13803 | |
56989f6d | 13804 | static struct genl_family nl80211_fam __ro_after_init = { |
489111e5 JB |
13805 | .name = NL80211_GENL_NAME, /* have users key off the name instead */ |
13806 | .hdrsize = 0, /* no private header */ | |
13807 | .version = 1, /* no particular meaning now */ | |
13808 | .maxattr = NL80211_ATTR_MAX, | |
13809 | .netnsok = true, | |
13810 | .pre_doit = nl80211_pre_doit, | |
13811 | .post_doit = nl80211_post_doit, | |
13812 | .module = THIS_MODULE, | |
13813 | .ops = nl80211_ops, | |
13814 | .n_ops = ARRAY_SIZE(nl80211_ops), | |
13815 | .mcgrps = nl80211_mcgrps, | |
13816 | .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps), | |
13817 | }; | |
13818 | ||
55682965 JB |
13819 | /* notification functions */ |
13820 | ||
3bb20556 JB |
13821 | void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev, |
13822 | enum nl80211_commands cmd) | |
55682965 JB |
13823 | { |
13824 | struct sk_buff *msg; | |
86e8cf98 | 13825 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 13826 | |
3bb20556 JB |
13827 | WARN_ON(cmd != NL80211_CMD_NEW_WIPHY && |
13828 | cmd != NL80211_CMD_DEL_WIPHY); | |
13829 | ||
fd2120ca | 13830 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
13831 | if (!msg) |
13832 | return; | |
13833 | ||
3bb20556 | 13834 | if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) { |
55682965 JB |
13835 | nlmsg_free(msg); |
13836 | return; | |
13837 | } | |
13838 | ||
68eb5503 | 13839 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13840 | NL80211_MCGRP_CONFIG, GFP_KERNEL); |
55682965 JB |
13841 | } |
13842 | ||
896ff063 DK |
13843 | void nl80211_notify_iface(struct cfg80211_registered_device *rdev, |
13844 | struct wireless_dev *wdev, | |
13845 | enum nl80211_commands cmd) | |
13846 | { | |
13847 | struct sk_buff *msg; | |
13848 | ||
13849 | WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE && | |
13850 | cmd != NL80211_CMD_DEL_INTERFACE); | |
13851 | ||
13852 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
13853 | if (!msg) | |
13854 | return; | |
13855 | ||
13856 | if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, | |
13857 | cmd == NL80211_CMD_DEL_INTERFACE) < 0) { | |
13858 | nlmsg_free(msg); | |
13859 | return; | |
13860 | } | |
13861 | ||
13862 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, | |
13863 | NL80211_MCGRP_CONFIG, GFP_KERNEL); | |
13864 | } | |
13865 | ||
362a415d JB |
13866 | static int nl80211_add_scan_req(struct sk_buff *msg, |
13867 | struct cfg80211_registered_device *rdev) | |
13868 | { | |
13869 | struct cfg80211_scan_request *req = rdev->scan_req; | |
13870 | struct nlattr *nest; | |
13871 | int i; | |
13872 | ||
13873 | if (WARN_ON(!req)) | |
13874 | return 0; | |
13875 | ||
13876 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
13877 | if (!nest) | |
13878 | goto nla_put_failure; | |
9360ffd1 DM |
13879 | for (i = 0; i < req->n_ssids; i++) { |
13880 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
13881 | goto nla_put_failure; | |
13882 | } | |
362a415d JB |
13883 | nla_nest_end(msg, nest); |
13884 | ||
13885 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
13886 | if (!nest) | |
13887 | goto nla_put_failure; | |
9360ffd1 DM |
13888 | for (i = 0; i < req->n_channels; i++) { |
13889 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
13890 | goto nla_put_failure; | |
13891 | } | |
362a415d JB |
13892 | nla_nest_end(msg, nest); |
13893 | ||
9360ffd1 DM |
13894 | if (req->ie && |
13895 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
13896 | goto nla_put_failure; | |
362a415d | 13897 | |
ae917c9f JB |
13898 | if (req->flags && |
13899 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags)) | |
13900 | goto nla_put_failure; | |
ed473771 | 13901 | |
1d76250b AS |
13902 | if (req->info.scan_start_tsf && |
13903 | (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF, | |
13904 | req->info.scan_start_tsf, NL80211_BSS_PAD) || | |
13905 | nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN, | |
13906 | req->info.tsf_bssid))) | |
13907 | goto nla_put_failure; | |
13908 | ||
362a415d JB |
13909 | return 0; |
13910 | nla_put_failure: | |
13911 | return -ENOBUFS; | |
13912 | } | |
13913 | ||
505a2e88 | 13914 | static int nl80211_prep_scan_msg(struct sk_buff *msg, |
a538e2d5 | 13915 | struct cfg80211_registered_device *rdev, |
fd014284 | 13916 | struct wireless_dev *wdev, |
15e47304 | 13917 | u32 portid, u32 seq, int flags, |
a538e2d5 | 13918 | u32 cmd) |
2a519311 JB |
13919 | { |
13920 | void *hdr; | |
13921 | ||
15e47304 | 13922 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
13923 | if (!hdr) |
13924 | return -1; | |
13925 | ||
9360ffd1 | 13926 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
13927 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
13928 | wdev->netdev->ifindex)) || | |
2dad624e ND |
13929 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
13930 | NL80211_ATTR_PAD)) | |
9360ffd1 | 13931 | goto nla_put_failure; |
2a519311 | 13932 | |
362a415d JB |
13933 | /* ignore errors and send incomplete event anyway */ |
13934 | nl80211_add_scan_req(msg, rdev); | |
2a519311 | 13935 | |
053c095a JB |
13936 | genlmsg_end(msg, hdr); |
13937 | return 0; | |
2a519311 JB |
13938 | |
13939 | nla_put_failure: | |
13940 | genlmsg_cancel(msg, hdr); | |
13941 | return -EMSGSIZE; | |
13942 | } | |
13943 | ||
807f8a8c | 13944 | static int |
505a2e88 | 13945 | nl80211_prep_sched_scan_msg(struct sk_buff *msg, |
96b08fd6 | 13946 | struct cfg80211_sched_scan_request *req, u32 cmd) |
807f8a8c LC |
13947 | { |
13948 | void *hdr; | |
13949 | ||
96b08fd6 | 13950 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
807f8a8c LC |
13951 | if (!hdr) |
13952 | return -1; | |
13953 | ||
96b08fd6 AVS |
13954 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, |
13955 | wiphy_to_rdev(req->wiphy)->wiphy_idx) || | |
13956 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) || | |
13957 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid, | |
13958 | NL80211_ATTR_PAD)) | |
9360ffd1 | 13959 | goto nla_put_failure; |
807f8a8c | 13960 | |
053c095a JB |
13961 | genlmsg_end(msg, hdr); |
13962 | return 0; | |
807f8a8c LC |
13963 | |
13964 | nla_put_failure: | |
13965 | genlmsg_cancel(msg, hdr); | |
13966 | return -EMSGSIZE; | |
13967 | } | |
13968 | ||
a538e2d5 | 13969 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 13970 | struct wireless_dev *wdev) |
a538e2d5 JB |
13971 | { |
13972 | struct sk_buff *msg; | |
13973 | ||
58050fce | 13974 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
13975 | if (!msg) |
13976 | return; | |
13977 | ||
505a2e88 | 13978 | if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
13979 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
13980 | nlmsg_free(msg); | |
13981 | return; | |
13982 | } | |
13983 | ||
68eb5503 | 13984 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13985 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
a538e2d5 JB |
13986 | } |
13987 | ||
f9d15d16 JB |
13988 | struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, |
13989 | struct wireless_dev *wdev, bool aborted) | |
2a519311 JB |
13990 | { |
13991 | struct sk_buff *msg; | |
13992 | ||
fd2120ca | 13993 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 | 13994 | if (!msg) |
f9d15d16 | 13995 | return NULL; |
2a519311 | 13996 | |
505a2e88 | 13997 | if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0, |
f9d15d16 JB |
13998 | aborted ? NL80211_CMD_SCAN_ABORTED : |
13999 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { | |
2a519311 | 14000 | nlmsg_free(msg); |
f9d15d16 | 14001 | return NULL; |
2a519311 JB |
14002 | } |
14003 | ||
f9d15d16 | 14004 | return msg; |
2a519311 JB |
14005 | } |
14006 | ||
505a2e88 AVS |
14007 | /* send message created by nl80211_build_scan_msg() */ |
14008 | void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev, | |
14009 | struct sk_buff *msg) | |
807f8a8c | 14010 | { |
807f8a8c LC |
14011 | if (!msg) |
14012 | return; | |
14013 | ||
68eb5503 | 14014 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14015 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
14016 | } |
14017 | ||
96b08fd6 | 14018 | void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd) |
807f8a8c LC |
14019 | { |
14020 | struct sk_buff *msg; | |
14021 | ||
58050fce | 14022 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
14023 | if (!msg) |
14024 | return; | |
14025 | ||
96b08fd6 | 14026 | if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) { |
807f8a8c LC |
14027 | nlmsg_free(msg); |
14028 | return; | |
14029 | } | |
14030 | ||
96b08fd6 | 14031 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0, |
2a94fe48 | 14032 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
14033 | } |
14034 | ||
b0d7aa59 JD |
14035 | static bool nl80211_reg_change_event_fill(struct sk_buff *msg, |
14036 | struct regulatory_request *request) | |
73d54c9e | 14037 | { |
73d54c9e | 14038 | /* Userspace can always count this one always being set */ |
9360ffd1 DM |
14039 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
14040 | goto nla_put_failure; | |
14041 | ||
14042 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
14043 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
14044 | NL80211_REGDOM_TYPE_WORLD)) | |
14045 | goto nla_put_failure; | |
14046 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
14047 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
14048 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
14049 | goto nla_put_failure; | |
14050 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
14051 | request->intersect) { | |
14052 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
14053 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
14054 | goto nla_put_failure; | |
14055 | } else { | |
14056 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
14057 | NL80211_REGDOM_TYPE_COUNTRY) || | |
14058 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
14059 | request->alpha2)) | |
14060 | goto nla_put_failure; | |
14061 | } | |
14062 | ||
ad30ca2c AN |
14063 | if (request->wiphy_idx != WIPHY_IDX_INVALID) { |
14064 | struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx); | |
14065 | ||
14066 | if (wiphy && | |
14067 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) | |
14068 | goto nla_put_failure; | |
1bdd716c AN |
14069 | |
14070 | if (wiphy && | |
14071 | wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && | |
14072 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
14073 | goto nla_put_failure; | |
ad30ca2c | 14074 | } |
73d54c9e | 14075 | |
b0d7aa59 JD |
14076 | return true; |
14077 | ||
14078 | nla_put_failure: | |
14079 | return false; | |
14080 | } | |
14081 | ||
14082 | /* | |
14083 | * This can happen on global regulatory changes or device specific settings | |
14084 | * based on custom regulatory domains. | |
14085 | */ | |
14086 | void nl80211_common_reg_change_event(enum nl80211_commands cmd_id, | |
14087 | struct regulatory_request *request) | |
14088 | { | |
14089 | struct sk_buff *msg; | |
14090 | void *hdr; | |
14091 | ||
14092 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
14093 | if (!msg) | |
14094 | return; | |
14095 | ||
14096 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id); | |
14097 | if (!hdr) { | |
14098 | nlmsg_free(msg); | |
14099 | return; | |
14100 | } | |
14101 | ||
14102 | if (nl80211_reg_change_event_fill(msg, request) == false) | |
14103 | goto nla_put_failure; | |
14104 | ||
3b7b72ee | 14105 | genlmsg_end(msg, hdr); |
73d54c9e | 14106 | |
bc43b28c | 14107 | rcu_read_lock(); |
68eb5503 | 14108 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 14109 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
bc43b28c | 14110 | rcu_read_unlock(); |
73d54c9e LR |
14111 | |
14112 | return; | |
14113 | ||
14114 | nla_put_failure: | |
73d54c9e LR |
14115 | nlmsg_free(msg); |
14116 | } | |
14117 | ||
6039f6d2 JM |
14118 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
14119 | struct net_device *netdev, | |
14120 | const u8 *buf, size_t len, | |
b0b6aa2c EP |
14121 | enum nl80211_commands cmd, gfp_t gfp, |
14122 | int uapsd_queues) | |
6039f6d2 JM |
14123 | { |
14124 | struct sk_buff *msg; | |
14125 | void *hdr; | |
14126 | ||
4ef8c1c9 | 14127 | msg = nlmsg_new(100 + len, gfp); |
6039f6d2 JM |
14128 | if (!msg) |
14129 | return; | |
14130 | ||
14131 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
14132 | if (!hdr) { | |
14133 | nlmsg_free(msg); | |
14134 | return; | |
14135 | } | |
14136 | ||
9360ffd1 DM |
14137 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14138 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
14139 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
14140 | goto nla_put_failure; | |
6039f6d2 | 14141 | |
b0b6aa2c EP |
14142 | if (uapsd_queues >= 0) { |
14143 | struct nlattr *nla_wmm = | |
14144 | nla_nest_start(msg, NL80211_ATTR_STA_WME); | |
14145 | if (!nla_wmm) | |
14146 | goto nla_put_failure; | |
14147 | ||
14148 | if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES, | |
14149 | uapsd_queues)) | |
14150 | goto nla_put_failure; | |
14151 | ||
14152 | nla_nest_end(msg, nla_wmm); | |
14153 | } | |
14154 | ||
3b7b72ee | 14155 | genlmsg_end(msg, hdr); |
6039f6d2 | 14156 | |
68eb5503 | 14157 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14158 | NL80211_MCGRP_MLME, gfp); |
6039f6d2 JM |
14159 | return; |
14160 | ||
14161 | nla_put_failure: | |
6039f6d2 JM |
14162 | nlmsg_free(msg); |
14163 | } | |
14164 | ||
14165 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
14166 | struct net_device *netdev, const u8 *buf, |
14167 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
14168 | { |
14169 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 14170 | NL80211_CMD_AUTHENTICATE, gfp, -1); |
6039f6d2 JM |
14171 | } |
14172 | ||
14173 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
14174 | struct net_device *netdev, const u8 *buf, | |
b0b6aa2c | 14175 | size_t len, gfp_t gfp, int uapsd_queues) |
6039f6d2 | 14176 | { |
e6d6e342 | 14177 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
b0b6aa2c | 14178 | NL80211_CMD_ASSOCIATE, gfp, uapsd_queues); |
6039f6d2 JM |
14179 | } |
14180 | ||
53b46b84 | 14181 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
14182 | struct net_device *netdev, const u8 *buf, |
14183 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
14184 | { |
14185 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 14186 | NL80211_CMD_DEAUTHENTICATE, gfp, -1); |
6039f6d2 JM |
14187 | } |
14188 | ||
53b46b84 JM |
14189 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
14190 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 14191 | size_t len, gfp_t gfp) |
6039f6d2 JM |
14192 | { |
14193 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 14194 | NL80211_CMD_DISASSOCIATE, gfp, -1); |
6039f6d2 JM |
14195 | } |
14196 | ||
6ff57cf8 JB |
14197 | void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, |
14198 | size_t len) | |
cf4e594e | 14199 | { |
947add36 JB |
14200 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
14201 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 14202 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
6ff57cf8 JB |
14203 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
14204 | u32 cmd; | |
947add36 | 14205 | |
6ff57cf8 JB |
14206 | if (WARN_ON(len < 2)) |
14207 | return; | |
cf4e594e | 14208 | |
6ff57cf8 JB |
14209 | if (ieee80211_is_deauth(mgmt->frame_control)) |
14210 | cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; | |
14211 | else | |
14212 | cmd = NL80211_CMD_UNPROT_DISASSOCIATE; | |
947add36 | 14213 | |
6ff57cf8 | 14214 | trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); |
b0b6aa2c | 14215 | nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1); |
cf4e594e | 14216 | } |
6ff57cf8 | 14217 | EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |
cf4e594e | 14218 | |
1b06bb40 LR |
14219 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
14220 | struct net_device *netdev, int cmd, | |
e6d6e342 | 14221 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
14222 | { |
14223 | struct sk_buff *msg; | |
14224 | void *hdr; | |
14225 | ||
e6d6e342 | 14226 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
14227 | if (!msg) |
14228 | return; | |
14229 | ||
14230 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
14231 | if (!hdr) { | |
14232 | nlmsg_free(msg); | |
14233 | return; | |
14234 | } | |
14235 | ||
9360ffd1 DM |
14236 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14237 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
14238 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
14239 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
14240 | goto nla_put_failure; | |
1965c853 | 14241 | |
3b7b72ee | 14242 | genlmsg_end(msg, hdr); |
1965c853 | 14243 | |
68eb5503 | 14244 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14245 | NL80211_MCGRP_MLME, gfp); |
1965c853 JM |
14246 | return; |
14247 | ||
14248 | nla_put_failure: | |
1965c853 JM |
14249 | nlmsg_free(msg); |
14250 | } | |
14251 | ||
14252 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
14253 | struct net_device *netdev, const u8 *addr, |
14254 | gfp_t gfp) | |
1965c853 JM |
14255 | { |
14256 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 14257 | addr, gfp); |
1965c853 JM |
14258 | } |
14259 | ||
14260 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
14261 | struct net_device *netdev, const u8 *addr, |
14262 | gfp_t gfp) | |
1965c853 | 14263 | { |
e6d6e342 JB |
14264 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
14265 | addr, gfp); | |
1965c853 JM |
14266 | } |
14267 | ||
b23aa676 | 14268 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
5349a0f7 VK |
14269 | struct net_device *netdev, |
14270 | struct cfg80211_connect_resp_params *cr, | |
3093ebbe | 14271 | gfp_t gfp) |
b23aa676 SO |
14272 | { |
14273 | struct sk_buff *msg; | |
14274 | void *hdr; | |
14275 | ||
a3caf744 | 14276 | msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len + |
76804d28 AVS |
14277 | cr->fils.kek_len + cr->fils.pmk_len + |
14278 | (cr->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp); | |
b23aa676 SO |
14279 | if (!msg) |
14280 | return; | |
14281 | ||
14282 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
14283 | if (!hdr) { | |
14284 | nlmsg_free(msg); | |
14285 | return; | |
14286 | } | |
14287 | ||
9360ffd1 DM |
14288 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14289 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
5349a0f7 VK |
14290 | (cr->bssid && |
14291 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) || | |
bf1ecd21 | 14292 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, |
5349a0f7 VK |
14293 | cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE : |
14294 | cr->status) || | |
14295 | (cr->status < 0 && | |
3093ebbe | 14296 | (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || |
5349a0f7 VK |
14297 | nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON, |
14298 | cr->timeout_reason))) || | |
14299 | (cr->req_ie && | |
14300 | nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) || | |
14301 | (cr->resp_ie && | |
14302 | nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len, | |
a3caf744 | 14303 | cr->resp_ie)) || |
76804d28 | 14304 | (cr->fils.update_erp_next_seq_num && |
a3caf744 | 14305 | nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM, |
76804d28 | 14306 | cr->fils.erp_next_seq_num)) || |
a3caf744 | 14307 | (cr->status == WLAN_STATUS_SUCCESS && |
76804d28 AVS |
14308 | ((cr->fils.kek && |
14309 | nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils.kek_len, | |
14310 | cr->fils.kek)) || | |
14311 | (cr->fils.pmk && | |
14312 | nla_put(msg, NL80211_ATTR_PMK, cr->fils.pmk_len, cr->fils.pmk)) || | |
14313 | (cr->fils.pmkid && | |
14314 | nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->fils.pmkid))))) | |
9360ffd1 | 14315 | goto nla_put_failure; |
b23aa676 | 14316 | |
3b7b72ee | 14317 | genlmsg_end(msg, hdr); |
b23aa676 | 14318 | |
68eb5503 | 14319 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14320 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
14321 | return; |
14322 | ||
14323 | nla_put_failure: | |
b23aa676 | 14324 | nlmsg_free(msg); |
b23aa676 SO |
14325 | } |
14326 | ||
14327 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
29ce6ecb AS |
14328 | struct net_device *netdev, |
14329 | struct cfg80211_roam_info *info, gfp_t gfp) | |
b23aa676 SO |
14330 | { |
14331 | struct sk_buff *msg; | |
14332 | void *hdr; | |
29ce6ecb | 14333 | const u8 *bssid = info->bss ? info->bss->bssid : info->bssid; |
b23aa676 | 14334 | |
e841b7b1 AVS |
14335 | msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len + |
14336 | info->fils.kek_len + info->fils.pmk_len + | |
14337 | (info->fils.pmkid ? WLAN_PMKID_LEN : 0), gfp); | |
b23aa676 SO |
14338 | if (!msg) |
14339 | return; | |
14340 | ||
14341 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
14342 | if (!hdr) { | |
14343 | nlmsg_free(msg); | |
14344 | return; | |
14345 | } | |
14346 | ||
9360ffd1 DM |
14347 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14348 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
14349 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
29ce6ecb AS |
14350 | (info->req_ie && |
14351 | nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len, | |
14352 | info->req_ie)) || | |
14353 | (info->resp_ie && | |
14354 | nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len, | |
e841b7b1 AVS |
14355 | info->resp_ie)) || |
14356 | (info->fils.update_erp_next_seq_num && | |
14357 | nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM, | |
14358 | info->fils.erp_next_seq_num)) || | |
14359 | (info->fils.kek && | |
14360 | nla_put(msg, NL80211_ATTR_FILS_KEK, info->fils.kek_len, | |
14361 | info->fils.kek)) || | |
14362 | (info->fils.pmk && | |
14363 | nla_put(msg, NL80211_ATTR_PMK, info->fils.pmk_len, info->fils.pmk)) || | |
14364 | (info->fils.pmkid && | |
14365 | nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, info->fils.pmkid))) | |
9360ffd1 | 14366 | goto nla_put_failure; |
b23aa676 | 14367 | |
3b7b72ee | 14368 | genlmsg_end(msg, hdr); |
b23aa676 | 14369 | |
68eb5503 | 14370 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14371 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
14372 | return; |
14373 | ||
503c1fb9 | 14374 | nla_put_failure: |
503c1fb9 AS |
14375 | nlmsg_free(msg); |
14376 | } | |
14377 | ||
14378 | void nl80211_send_port_authorized(struct cfg80211_registered_device *rdev, | |
14379 | struct net_device *netdev, const u8 *bssid) | |
14380 | { | |
14381 | struct sk_buff *msg; | |
14382 | void *hdr; | |
14383 | ||
14384 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
14385 | if (!msg) | |
14386 | return; | |
14387 | ||
14388 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PORT_AUTHORIZED); | |
14389 | if (!hdr) { | |
14390 | nlmsg_free(msg); | |
14391 | return; | |
14392 | } | |
14393 | ||
14394 | if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
14395 | goto nla_put_failure; | |
14396 | ||
14397 | genlmsg_end(msg, hdr); | |
14398 | ||
14399 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, | |
14400 | NL80211_MCGRP_MLME, GFP_KERNEL); | |
14401 | return; | |
14402 | ||
b23aa676 | 14403 | nla_put_failure: |
b23aa676 | 14404 | nlmsg_free(msg); |
b23aa676 SO |
14405 | } |
14406 | ||
14407 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
14408 | struct net_device *netdev, u16 reason, | |
667503dd | 14409 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
14410 | { |
14411 | struct sk_buff *msg; | |
14412 | void *hdr; | |
14413 | ||
4ef8c1c9 | 14414 | msg = nlmsg_new(100 + ie_len, GFP_KERNEL); |
b23aa676 SO |
14415 | if (!msg) |
14416 | return; | |
14417 | ||
14418 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
14419 | if (!hdr) { | |
14420 | nlmsg_free(msg); | |
14421 | return; | |
14422 | } | |
14423 | ||
9360ffd1 DM |
14424 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14425 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
86b6c465 | 14426 | (reason && |
9360ffd1 DM |
14427 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || |
14428 | (from_ap && | |
14429 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
14430 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
14431 | goto nla_put_failure; | |
b23aa676 | 14432 | |
3b7b72ee | 14433 | genlmsg_end(msg, hdr); |
b23aa676 | 14434 | |
68eb5503 | 14435 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14436 | NL80211_MCGRP_MLME, GFP_KERNEL); |
b23aa676 SO |
14437 | return; |
14438 | ||
14439 | nla_put_failure: | |
b23aa676 | 14440 | nlmsg_free(msg); |
b23aa676 SO |
14441 | } |
14442 | ||
04a773ad JB |
14443 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
14444 | struct net_device *netdev, const u8 *bssid, | |
14445 | gfp_t gfp) | |
14446 | { | |
14447 | struct sk_buff *msg; | |
14448 | void *hdr; | |
14449 | ||
fd2120ca | 14450 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
14451 | if (!msg) |
14452 | return; | |
14453 | ||
14454 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
14455 | if (!hdr) { | |
14456 | nlmsg_free(msg); | |
14457 | return; | |
14458 | } | |
14459 | ||
9360ffd1 DM |
14460 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14461 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
14462 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
14463 | goto nla_put_failure; | |
04a773ad | 14464 | |
3b7b72ee | 14465 | genlmsg_end(msg, hdr); |
04a773ad | 14466 | |
68eb5503 | 14467 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14468 | NL80211_MCGRP_MLME, gfp); |
04a773ad JB |
14469 | return; |
14470 | ||
14471 | nla_put_failure: | |
04a773ad JB |
14472 | nlmsg_free(msg); |
14473 | } | |
14474 | ||
947add36 JB |
14475 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
14476 | const u8* ie, u8 ie_len, gfp_t gfp) | |
c93b5e71 | 14477 | { |
947add36 | 14478 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 14479 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
c93b5e71 JC |
14480 | struct sk_buff *msg; |
14481 | void *hdr; | |
14482 | ||
947add36 JB |
14483 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
14484 | return; | |
14485 | ||
14486 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
14487 | ||
4ef8c1c9 | 14488 | msg = nlmsg_new(100 + ie_len, gfp); |
c93b5e71 JC |
14489 | if (!msg) |
14490 | return; | |
14491 | ||
14492 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
14493 | if (!hdr) { | |
14494 | nlmsg_free(msg); | |
14495 | return; | |
14496 | } | |
14497 | ||
9360ffd1 | 14498 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
14499 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
14500 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 DM |
14501 | (ie_len && ie && |
14502 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
14503 | goto nla_put_failure; | |
c93b5e71 | 14504 | |
3b7b72ee | 14505 | genlmsg_end(msg, hdr); |
c93b5e71 | 14506 | |
68eb5503 | 14507 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14508 | NL80211_MCGRP_MLME, gfp); |
c93b5e71 JC |
14509 | return; |
14510 | ||
14511 | nla_put_failure: | |
c93b5e71 JC |
14512 | nlmsg_free(msg); |
14513 | } | |
947add36 | 14514 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 14515 | |
a3b8b056 JM |
14516 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
14517 | struct net_device *netdev, const u8 *addr, | |
14518 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 14519 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
14520 | { |
14521 | struct sk_buff *msg; | |
14522 | void *hdr; | |
14523 | ||
e6d6e342 | 14524 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
14525 | if (!msg) |
14526 | return; | |
14527 | ||
14528 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
14529 | if (!hdr) { | |
14530 | nlmsg_free(msg); | |
14531 | return; | |
14532 | } | |
14533 | ||
9360ffd1 DM |
14534 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14535 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
14536 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
14537 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
14538 | (key_id != -1 && | |
14539 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
14540 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
14541 | goto nla_put_failure; | |
a3b8b056 | 14542 | |
3b7b72ee | 14543 | genlmsg_end(msg, hdr); |
a3b8b056 | 14544 | |
68eb5503 | 14545 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14546 | NL80211_MCGRP_MLME, gfp); |
a3b8b056 JM |
14547 | return; |
14548 | ||
14549 | nla_put_failure: | |
a3b8b056 JM |
14550 | nlmsg_free(msg); |
14551 | } | |
14552 | ||
6bad8766 LR |
14553 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
14554 | struct ieee80211_channel *channel_before, | |
14555 | struct ieee80211_channel *channel_after) | |
14556 | { | |
14557 | struct sk_buff *msg; | |
14558 | void *hdr; | |
14559 | struct nlattr *nl_freq; | |
14560 | ||
fd2120ca | 14561 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
14562 | if (!msg) |
14563 | return; | |
14564 | ||
14565 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
14566 | if (!hdr) { | |
14567 | nlmsg_free(msg); | |
14568 | return; | |
14569 | } | |
14570 | ||
14571 | /* | |
14572 | * Since we are applying the beacon hint to a wiphy we know its | |
14573 | * wiphy_idx is valid | |
14574 | */ | |
9360ffd1 DM |
14575 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
14576 | goto nla_put_failure; | |
6bad8766 LR |
14577 | |
14578 | /* Before */ | |
14579 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
14580 | if (!nl_freq) | |
14581 | goto nla_put_failure; | |
50f32718 HD |
14582 | |
14583 | if (nl80211_msg_put_channel(msg, wiphy, channel_before, false)) | |
6bad8766 LR |
14584 | goto nla_put_failure; |
14585 | nla_nest_end(msg, nl_freq); | |
14586 | ||
14587 | /* After */ | |
14588 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
14589 | if (!nl_freq) | |
14590 | goto nla_put_failure; | |
50f32718 HD |
14591 | |
14592 | if (nl80211_msg_put_channel(msg, wiphy, channel_after, false)) | |
6bad8766 LR |
14593 | goto nla_put_failure; |
14594 | nla_nest_end(msg, nl_freq); | |
14595 | ||
3b7b72ee | 14596 | genlmsg_end(msg, hdr); |
6bad8766 | 14597 | |
463d0183 | 14598 | rcu_read_lock(); |
68eb5503 | 14599 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 14600 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
463d0183 | 14601 | rcu_read_unlock(); |
6bad8766 LR |
14602 | |
14603 | return; | |
14604 | ||
14605 | nla_put_failure: | |
6bad8766 LR |
14606 | nlmsg_free(msg); |
14607 | } | |
14608 | ||
9588bbd5 JM |
14609 | static void nl80211_send_remain_on_chan_event( |
14610 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 14611 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 14612 | struct ieee80211_channel *chan, |
9588bbd5 JM |
14613 | unsigned int duration, gfp_t gfp) |
14614 | { | |
14615 | struct sk_buff *msg; | |
14616 | void *hdr; | |
14617 | ||
14618 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
14619 | if (!msg) | |
14620 | return; | |
14621 | ||
14622 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
14623 | if (!hdr) { | |
14624 | nlmsg_free(msg); | |
14625 | return; | |
14626 | } | |
14627 | ||
9360ffd1 | 14628 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
14629 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
14630 | wdev->netdev->ifindex)) || | |
2dad624e ND |
14631 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14632 | NL80211_ATTR_PAD) || | |
9360ffd1 | 14633 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
14634 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
14635 | NL80211_CHAN_NO_HT) || | |
2dad624e ND |
14636 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
14637 | NL80211_ATTR_PAD)) | |
9360ffd1 | 14638 | goto nla_put_failure; |
9588bbd5 | 14639 | |
9360ffd1 DM |
14640 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
14641 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
14642 | goto nla_put_failure; | |
9588bbd5 | 14643 | |
3b7b72ee | 14644 | genlmsg_end(msg, hdr); |
9588bbd5 | 14645 | |
68eb5503 | 14646 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14647 | NL80211_MCGRP_MLME, gfp); |
9588bbd5 JM |
14648 | return; |
14649 | ||
14650 | nla_put_failure: | |
9588bbd5 JM |
14651 | nlmsg_free(msg); |
14652 | } | |
14653 | ||
947add36 JB |
14654 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
14655 | struct ieee80211_channel *chan, | |
14656 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 14657 | { |
947add36 | 14658 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 14659 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
14660 | |
14661 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 14662 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 14663 | rdev, wdev, cookie, chan, |
42d97a59 | 14664 | duration, gfp); |
9588bbd5 | 14665 | } |
947add36 | 14666 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 14667 | |
947add36 JB |
14668 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
14669 | struct ieee80211_channel *chan, | |
14670 | gfp_t gfp) | |
9588bbd5 | 14671 | { |
947add36 | 14672 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 14673 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
14674 | |
14675 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 14676 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 14677 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 14678 | } |
947add36 | 14679 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 14680 | |
947add36 JB |
14681 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
14682 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 14683 | { |
947add36 | 14684 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 14685 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
98b62183 JB |
14686 | struct sk_buff *msg; |
14687 | ||
947add36 JB |
14688 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
14689 | ||
58050fce | 14690 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
14691 | if (!msg) |
14692 | return; | |
14693 | ||
cf5ead82 | 14694 | if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0, |
66266b3a | 14695 | rdev, dev, mac_addr, sinfo) < 0) { |
98b62183 JB |
14696 | nlmsg_free(msg); |
14697 | return; | |
14698 | } | |
14699 | ||
68eb5503 | 14700 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14701 | NL80211_MCGRP_MLME, gfp); |
98b62183 | 14702 | } |
947add36 | 14703 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 14704 | |
cf5ead82 JB |
14705 | void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr, |
14706 | struct station_info *sinfo, gfp_t gfp) | |
ec15e68b | 14707 | { |
947add36 | 14708 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 14709 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ec15e68b | 14710 | struct sk_buff *msg; |
73887fd9 | 14711 | struct station_info empty_sinfo = {}; |
cf5ead82 | 14712 | |
73887fd9 JB |
14713 | if (!sinfo) |
14714 | sinfo = &empty_sinfo; | |
ec15e68b | 14715 | |
947add36 JB |
14716 | trace_cfg80211_del_sta(dev, mac_addr); |
14717 | ||
58050fce | 14718 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
7ea3e110 JB |
14719 | if (!msg) { |
14720 | cfg80211_sinfo_release_content(sinfo); | |
73887fd9 | 14721 | return; |
7ea3e110 | 14722 | } |
ec15e68b | 14723 | |
cf5ead82 | 14724 | if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0, |
57007121 | 14725 | rdev, dev, mac_addr, sinfo) < 0) { |
ec15e68b | 14726 | nlmsg_free(msg); |
73887fd9 | 14727 | return; |
ec15e68b JM |
14728 | } |
14729 | ||
68eb5503 | 14730 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14731 | NL80211_MCGRP_MLME, gfp); |
ec15e68b | 14732 | } |
cf5ead82 | 14733 | EXPORT_SYMBOL(cfg80211_del_sta_sinfo); |
ec15e68b | 14734 | |
947add36 JB |
14735 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
14736 | enum nl80211_connect_failed_reason reason, | |
14737 | gfp_t gfp) | |
ed44a951 | 14738 | { |
947add36 | 14739 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 14740 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ed44a951 PP |
14741 | struct sk_buff *msg; |
14742 | void *hdr; | |
14743 | ||
14744 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
14745 | if (!msg) | |
14746 | return; | |
14747 | ||
14748 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
14749 | if (!hdr) { | |
14750 | nlmsg_free(msg); | |
14751 | return; | |
14752 | } | |
14753 | ||
14754 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
14755 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
14756 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
14757 | goto nla_put_failure; | |
14758 | ||
14759 | genlmsg_end(msg, hdr); | |
14760 | ||
68eb5503 | 14761 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14762 | NL80211_MCGRP_MLME, gfp); |
ed44a951 PP |
14763 | return; |
14764 | ||
14765 | nla_put_failure: | |
ed44a951 PP |
14766 | nlmsg_free(msg); |
14767 | } | |
947add36 | 14768 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 14769 | |
b92ab5d8 JB |
14770 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
14771 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
14772 | { |
14773 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 14774 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
28946da7 JB |
14775 | struct sk_buff *msg; |
14776 | void *hdr; | |
6aa7de05 | 14777 | u32 nlportid = READ_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 14778 | |
15e47304 | 14779 | if (!nlportid) |
28946da7 JB |
14780 | return false; |
14781 | ||
14782 | msg = nlmsg_new(100, gfp); | |
14783 | if (!msg) | |
14784 | return true; | |
14785 | ||
b92ab5d8 | 14786 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
14787 | if (!hdr) { |
14788 | nlmsg_free(msg); | |
14789 | return true; | |
14790 | } | |
14791 | ||
9360ffd1 DM |
14792 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14793 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
14794 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
14795 | goto nla_put_failure; | |
28946da7 | 14796 | |
9c90a9f6 | 14797 | genlmsg_end(msg, hdr); |
15e47304 | 14798 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
14799 | return true; |
14800 | ||
14801 | nla_put_failure: | |
28946da7 JB |
14802 | nlmsg_free(msg); |
14803 | return true; | |
14804 | } | |
14805 | ||
947add36 JB |
14806 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
14807 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 14808 | { |
947add36 JB |
14809 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
14810 | bool ret; | |
14811 | ||
14812 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
14813 | ||
14814 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
14815 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
14816 | trace_cfg80211_return_bool(false); | |
14817 | return false; | |
14818 | } | |
14819 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
14820 | addr, gfp); | |
14821 | trace_cfg80211_return_bool(ret); | |
14822 | return ret; | |
b92ab5d8 | 14823 | } |
947add36 | 14824 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 14825 | |
947add36 JB |
14826 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
14827 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 14828 | { |
947add36 JB |
14829 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
14830 | bool ret; | |
14831 | ||
14832 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
14833 | ||
14834 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
14835 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
14836 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
14837 | trace_cfg80211_return_bool(false); | |
14838 | return false; | |
14839 | } | |
14840 | ret = __nl80211_unexpected_frame(dev, | |
14841 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
14842 | addr, gfp); | |
14843 | trace_cfg80211_return_bool(ret); | |
14844 | return ret; | |
b92ab5d8 | 14845 | } |
947add36 | 14846 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 14847 | |
2e161f78 | 14848 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 14849 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 | 14850 | int freq, int sig_dbm, |
19504cf5 | 14851 | const u8 *buf, size_t len, u32 flags, gfp_t gfp) |
026331c4 | 14852 | { |
71bbc994 | 14853 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
14854 | struct sk_buff *msg; |
14855 | void *hdr; | |
026331c4 | 14856 | |
4ef8c1c9 | 14857 | msg = nlmsg_new(100 + len, gfp); |
026331c4 JM |
14858 | if (!msg) |
14859 | return -ENOMEM; | |
14860 | ||
2e161f78 | 14861 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
14862 | if (!hdr) { |
14863 | nlmsg_free(msg); | |
14864 | return -ENOMEM; | |
14865 | } | |
14866 | ||
9360ffd1 | 14867 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
14868 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
14869 | netdev->ifindex)) || | |
2dad624e ND |
14870 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14871 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
14872 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
14873 | (sig_dbm && | |
14874 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
19504cf5 VK |
14875 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
14876 | (flags && | |
14877 | nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags))) | |
9360ffd1 | 14878 | goto nla_put_failure; |
026331c4 | 14879 | |
3b7b72ee | 14880 | genlmsg_end(msg, hdr); |
026331c4 | 14881 | |
15e47304 | 14882 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
14883 | |
14884 | nla_put_failure: | |
026331c4 JM |
14885 | nlmsg_free(msg); |
14886 | return -ENOBUFS; | |
14887 | } | |
14888 | ||
947add36 JB |
14889 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
14890 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 | 14891 | { |
947add36 | 14892 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 14893 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
71bbc994 | 14894 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
14895 | struct sk_buff *msg; |
14896 | void *hdr; | |
14897 | ||
947add36 JB |
14898 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
14899 | ||
4ef8c1c9 | 14900 | msg = nlmsg_new(100 + len, gfp); |
026331c4 JM |
14901 | if (!msg) |
14902 | return; | |
14903 | ||
2e161f78 | 14904 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
14905 | if (!hdr) { |
14906 | nlmsg_free(msg); | |
14907 | return; | |
14908 | } | |
14909 | ||
9360ffd1 | 14910 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
14911 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
14912 | netdev->ifindex)) || | |
2dad624e ND |
14913 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14914 | NL80211_ATTR_PAD) || | |
9360ffd1 | 14915 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
2dad624e ND |
14916 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
14917 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
14918 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) |
14919 | goto nla_put_failure; | |
026331c4 | 14920 | |
3b7b72ee | 14921 | genlmsg_end(msg, hdr); |
026331c4 | 14922 | |
68eb5503 | 14923 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14924 | NL80211_MCGRP_MLME, gfp); |
026331c4 JM |
14925 | return; |
14926 | ||
14927 | nla_put_failure: | |
026331c4 JM |
14928 | nlmsg_free(msg); |
14929 | } | |
947add36 | 14930 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 14931 | |
6a671a50 DK |
14932 | static int __nl80211_rx_control_port(struct net_device *dev, |
14933 | const u8 *buf, size_t len, | |
14934 | const u8 *addr, u16 proto, | |
14935 | bool unencrypted, gfp_t gfp) | |
14936 | { | |
14937 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14938 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); | |
14939 | struct sk_buff *msg; | |
14940 | void *hdr; | |
14941 | u32 nlportid = READ_ONCE(wdev->conn_owner_nlportid); | |
14942 | ||
14943 | if (!nlportid) | |
14944 | return -ENOENT; | |
14945 | ||
14946 | msg = nlmsg_new(100 + len, gfp); | |
14947 | if (!msg) | |
14948 | return -ENOMEM; | |
14949 | ||
14950 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONTROL_PORT_FRAME); | |
14951 | if (!hdr) { | |
14952 | nlmsg_free(msg); | |
14953 | return -ENOBUFS; | |
14954 | } | |
14955 | ||
14956 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
14957 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
14958 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), | |
14959 | NL80211_ATTR_PAD) || | |
14960 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || | |
14961 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
14962 | nla_put_u16(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE, proto) || | |
14963 | (unencrypted && nla_put_flag(msg, | |
14964 | NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT))) | |
14965 | goto nla_put_failure; | |
14966 | ||
14967 | genlmsg_end(msg, hdr); | |
14968 | ||
14969 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
14970 | ||
14971 | nla_put_failure: | |
14972 | nlmsg_free(msg); | |
14973 | return -ENOBUFS; | |
14974 | } | |
14975 | ||
14976 | bool cfg80211_rx_control_port(struct net_device *dev, | |
14977 | const u8 *buf, size_t len, | |
14978 | const u8 *addr, u16 proto, bool unencrypted) | |
14979 | { | |
14980 | int ret; | |
14981 | ||
14982 | trace_cfg80211_rx_control_port(dev, buf, len, addr, proto, unencrypted); | |
14983 | ret = __nl80211_rx_control_port(dev, buf, len, addr, proto, | |
14984 | unencrypted, GFP_ATOMIC); | |
14985 | trace_cfg80211_return_bool(ret == 0); | |
14986 | return ret == 0; | |
14987 | } | |
14988 | EXPORT_SYMBOL(cfg80211_rx_control_port); | |
14989 | ||
5b97f49d JB |
14990 | static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev, |
14991 | const char *mac, gfp_t gfp) | |
d6dc1a38 | 14992 | { |
947add36 | 14993 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
5b97f49d JB |
14994 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
14995 | struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
14996 | void **cb; | |
947add36 | 14997 | |
d6dc1a38 | 14998 | if (!msg) |
5b97f49d | 14999 | return NULL; |
d6dc1a38 | 15000 | |
5b97f49d JB |
15001 | cb = (void **)msg->cb; |
15002 | ||
15003 | cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
15004 | if (!cb[0]) { | |
d6dc1a38 | 15005 | nlmsg_free(msg); |
5b97f49d | 15006 | return NULL; |
d6dc1a38 JO |
15007 | } |
15008 | ||
9360ffd1 | 15009 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 15010 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 15011 | goto nla_put_failure; |
d6dc1a38 | 15012 | |
5b97f49d | 15013 | if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac)) |
d6dc1a38 JO |
15014 | goto nla_put_failure; |
15015 | ||
5b97f49d JB |
15016 | cb[1] = nla_nest_start(msg, NL80211_ATTR_CQM); |
15017 | if (!cb[1]) | |
9360ffd1 | 15018 | goto nla_put_failure; |
d6dc1a38 | 15019 | |
5b97f49d | 15020 | cb[2] = rdev; |
d6dc1a38 | 15021 | |
5b97f49d JB |
15022 | return msg; |
15023 | nla_put_failure: | |
15024 | nlmsg_free(msg); | |
15025 | return NULL; | |
15026 | } | |
15027 | ||
15028 | static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp) | |
15029 | { | |
15030 | void **cb = (void **)msg->cb; | |
15031 | struct cfg80211_registered_device *rdev = cb[2]; | |
15032 | ||
15033 | nla_nest_end(msg, cb[1]); | |
15034 | genlmsg_end(msg, cb[0]); | |
15035 | ||
15036 | memset(msg->cb, 0, sizeof(msg->cb)); | |
d6dc1a38 | 15037 | |
68eb5503 | 15038 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 15039 | NL80211_MCGRP_MLME, gfp); |
5b97f49d JB |
15040 | } |
15041 | ||
15042 | void cfg80211_cqm_rssi_notify(struct net_device *dev, | |
15043 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
bee427b8 | 15044 | s32 rssi_level, gfp_t gfp) |
5b97f49d JB |
15045 | { |
15046 | struct sk_buff *msg; | |
4a4b8169 AZ |
15047 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
15048 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); | |
5b97f49d | 15049 | |
bee427b8 | 15050 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level); |
5b97f49d | 15051 | |
98f03342 JB |
15052 | if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW && |
15053 | rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH)) | |
15054 | return; | |
15055 | ||
4a4b8169 AZ |
15056 | if (wdev->cqm_config) { |
15057 | wdev->cqm_config->last_rssi_event_value = rssi_level; | |
15058 | ||
15059 | cfg80211_cqm_rssi_update(rdev, dev); | |
15060 | ||
15061 | if (rssi_level == 0) | |
15062 | rssi_level = wdev->cqm_config->last_rssi_event_value; | |
15063 | } | |
15064 | ||
5b97f49d JB |
15065 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); |
15066 | if (!msg) | |
15067 | return; | |
15068 | ||
15069 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, | |
15070 | rssi_event)) | |
15071 | goto nla_put_failure; | |
15072 | ||
bee427b8 AZ |
15073 | if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL, |
15074 | rssi_level)) | |
15075 | goto nla_put_failure; | |
15076 | ||
5b97f49d JB |
15077 | cfg80211_send_cqm(msg, gfp); |
15078 | ||
d6dc1a38 JO |
15079 | return; |
15080 | ||
15081 | nla_put_failure: | |
d6dc1a38 JO |
15082 | nlmsg_free(msg); |
15083 | } | |
947add36 | 15084 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 15085 | |
5b97f49d JB |
15086 | void cfg80211_cqm_txe_notify(struct net_device *dev, |
15087 | const u8 *peer, u32 num_packets, | |
15088 | u32 rate, u32 intvl, gfp_t gfp) | |
15089 | { | |
15090 | struct sk_buff *msg; | |
15091 | ||
15092 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
15093 | if (!msg) | |
15094 | return; | |
15095 | ||
15096 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
15097 | goto nla_put_failure; | |
15098 | ||
15099 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
15100 | goto nla_put_failure; | |
15101 | ||
15102 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
15103 | goto nla_put_failure; | |
15104 | ||
15105 | cfg80211_send_cqm(msg, gfp); | |
15106 | return; | |
15107 | ||
15108 | nla_put_failure: | |
15109 | nlmsg_free(msg); | |
15110 | } | |
15111 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); | |
15112 | ||
15113 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, | |
15114 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
15115 | { | |
15116 | struct sk_buff *msg; | |
15117 | ||
15118 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); | |
15119 | ||
15120 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
15121 | if (!msg) | |
15122 | return; | |
15123 | ||
15124 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) | |
15125 | goto nla_put_failure; | |
15126 | ||
15127 | cfg80211_send_cqm(msg, gfp); | |
15128 | return; | |
15129 | ||
15130 | nla_put_failure: | |
15131 | nlmsg_free(msg); | |
15132 | } | |
15133 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); | |
15134 | ||
98f03342 JB |
15135 | void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp) |
15136 | { | |
15137 | struct sk_buff *msg; | |
15138 | ||
15139 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); | |
15140 | if (!msg) | |
15141 | return; | |
15142 | ||
15143 | if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT)) | |
15144 | goto nla_put_failure; | |
15145 | ||
15146 | cfg80211_send_cqm(msg, gfp); | |
15147 | return; | |
15148 | ||
15149 | nla_put_failure: | |
15150 | nlmsg_free(msg); | |
15151 | } | |
15152 | EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify); | |
15153 | ||
947add36 JB |
15154 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
15155 | struct net_device *netdev, const u8 *bssid, | |
15156 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
15157 | { |
15158 | struct sk_buff *msg; | |
15159 | struct nlattr *rekey_attr; | |
15160 | void *hdr; | |
15161 | ||
58050fce | 15162 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
15163 | if (!msg) |
15164 | return; | |
15165 | ||
15166 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
15167 | if (!hdr) { | |
15168 | nlmsg_free(msg); | |
15169 | return; | |
15170 | } | |
15171 | ||
9360ffd1 DM |
15172 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
15173 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
15174 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
15175 | goto nla_put_failure; | |
e5497d76 JB |
15176 | |
15177 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
15178 | if (!rekey_attr) | |
15179 | goto nla_put_failure; | |
15180 | ||
9360ffd1 DM |
15181 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
15182 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
15183 | goto nla_put_failure; | |
e5497d76 JB |
15184 | |
15185 | nla_nest_end(msg, rekey_attr); | |
15186 | ||
3b7b72ee | 15187 | genlmsg_end(msg, hdr); |
e5497d76 | 15188 | |
68eb5503 | 15189 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 15190 | NL80211_MCGRP_MLME, gfp); |
e5497d76 JB |
15191 | return; |
15192 | ||
15193 | nla_put_failure: | |
e5497d76 JB |
15194 | nlmsg_free(msg); |
15195 | } | |
15196 | ||
947add36 JB |
15197 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
15198 | const u8 *replay_ctr, gfp_t gfp) | |
15199 | { | |
15200 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
15201 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 15202 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
15203 | |
15204 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
15205 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
15206 | } | |
15207 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
15208 | ||
15209 | static void | |
15210 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
15211 | struct net_device *netdev, int index, | |
15212 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
15213 | { |
15214 | struct sk_buff *msg; | |
15215 | struct nlattr *attr; | |
15216 | void *hdr; | |
15217 | ||
58050fce | 15218 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
15219 | if (!msg) |
15220 | return; | |
15221 | ||
15222 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
15223 | if (!hdr) { | |
15224 | nlmsg_free(msg); | |
15225 | return; | |
15226 | } | |
15227 | ||
9360ffd1 DM |
15228 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
15229 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
15230 | goto nla_put_failure; | |
c9df56b4 JM |
15231 | |
15232 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
15233 | if (!attr) | |
15234 | goto nla_put_failure; | |
15235 | ||
9360ffd1 DM |
15236 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
15237 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
15238 | (preauth && | |
15239 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
15240 | goto nla_put_failure; | |
c9df56b4 JM |
15241 | |
15242 | nla_nest_end(msg, attr); | |
15243 | ||
3b7b72ee | 15244 | genlmsg_end(msg, hdr); |
c9df56b4 | 15245 | |
68eb5503 | 15246 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 15247 | NL80211_MCGRP_MLME, gfp); |
c9df56b4 JM |
15248 | return; |
15249 | ||
15250 | nla_put_failure: | |
c9df56b4 JM |
15251 | nlmsg_free(msg); |
15252 | } | |
15253 | ||
947add36 JB |
15254 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
15255 | const u8 *bssid, bool preauth, gfp_t gfp) | |
15256 | { | |
15257 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
15258 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 15259 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
15260 | |
15261 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
15262 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
15263 | } | |
15264 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
15265 | ||
15266 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
15267 | struct net_device *netdev, | |
15268 | struct cfg80211_chan_def *chandef, | |
f8d7552e LC |
15269 | gfp_t gfp, |
15270 | enum nl80211_commands notif, | |
15271 | u8 count) | |
5314526b TP |
15272 | { |
15273 | struct sk_buff *msg; | |
15274 | void *hdr; | |
15275 | ||
58050fce | 15276 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
15277 | if (!msg) |
15278 | return; | |
15279 | ||
f8d7552e | 15280 | hdr = nl80211hdr_put(msg, 0, 0, 0, notif); |
5314526b TP |
15281 | if (!hdr) { |
15282 | nlmsg_free(msg); | |
15283 | return; | |
15284 | } | |
15285 | ||
683b6d3b JB |
15286 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
15287 | goto nla_put_failure; | |
15288 | ||
15289 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 15290 | goto nla_put_failure; |
5314526b | 15291 | |
f8d7552e LC |
15292 | if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) && |
15293 | (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))) | |
15294 | goto nla_put_failure; | |
15295 | ||
5314526b TP |
15296 | genlmsg_end(msg, hdr); |
15297 | ||
68eb5503 | 15298 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 15299 | NL80211_MCGRP_MLME, gfp); |
5314526b TP |
15300 | return; |
15301 | ||
15302 | nla_put_failure: | |
5314526b TP |
15303 | nlmsg_free(msg); |
15304 | } | |
15305 | ||
947add36 JB |
15306 | void cfg80211_ch_switch_notify(struct net_device *dev, |
15307 | struct cfg80211_chan_def *chandef) | |
84f10708 | 15308 | { |
947add36 JB |
15309 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
15310 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 15311 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 | 15312 | |
e487eaeb | 15313 | ASSERT_WDEV_LOCK(wdev); |
947add36 | 15314 | |
e487eaeb | 15315 | trace_cfg80211_ch_switch_notify(dev, chandef); |
947add36 | 15316 | |
9e0e2961 | 15317 | wdev->chandef = *chandef; |
96f55f12 | 15318 | wdev->preset_chandef = *chandef; |
f8d7552e LC |
15319 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, |
15320 | NL80211_CMD_CH_SWITCH_NOTIFY, 0); | |
947add36 JB |
15321 | } |
15322 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
15323 | ||
f8d7552e LC |
15324 | void cfg80211_ch_switch_started_notify(struct net_device *dev, |
15325 | struct cfg80211_chan_def *chandef, | |
15326 | u8 count) | |
15327 | { | |
15328 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
15329 | struct wiphy *wiphy = wdev->wiphy; | |
15330 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
15331 | ||
15332 | trace_cfg80211_ch_switch_started_notify(dev, chandef); | |
15333 | ||
15334 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, | |
15335 | NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count); | |
15336 | } | |
15337 | EXPORT_SYMBOL(cfg80211_ch_switch_started_notify); | |
15338 | ||
04f39047 SW |
15339 | void |
15340 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
d2859df5 | 15341 | const struct cfg80211_chan_def *chandef, |
04f39047 SW |
15342 | enum nl80211_radar_event event, |
15343 | struct net_device *netdev, gfp_t gfp) | |
15344 | { | |
15345 | struct sk_buff *msg; | |
15346 | void *hdr; | |
15347 | ||
15348 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
15349 | if (!msg) | |
15350 | return; | |
15351 | ||
15352 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
15353 | if (!hdr) { | |
15354 | nlmsg_free(msg); | |
15355 | return; | |
15356 | } | |
15357 | ||
15358 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
15359 | goto nla_put_failure; | |
15360 | ||
15361 | /* NOP and radar events don't need a netdev parameter */ | |
15362 | if (netdev) { | |
15363 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
15364 | ||
15365 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
2dad624e ND |
15366 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
15367 | NL80211_ATTR_PAD)) | |
04f39047 SW |
15368 | goto nla_put_failure; |
15369 | } | |
15370 | ||
15371 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
15372 | goto nla_put_failure; | |
15373 | ||
15374 | if (nl80211_send_chandef(msg, chandef)) | |
15375 | goto nla_put_failure; | |
15376 | ||
9c90a9f6 | 15377 | genlmsg_end(msg, hdr); |
04f39047 | 15378 | |
68eb5503 | 15379 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 15380 | NL80211_MCGRP_MLME, gfp); |
04f39047 SW |
15381 | return; |
15382 | ||
15383 | nla_put_failure: | |
04f39047 SW |
15384 | nlmsg_free(msg); |
15385 | } | |
15386 | ||
466b9936 | 15387 | void cfg80211_sta_opmode_change_notify(struct net_device *dev, const u8 *mac, |
15388 | struct sta_opmode_info *sta_opmode, | |
15389 | gfp_t gfp) | |
15390 | { | |
15391 | struct sk_buff *msg; | |
15392 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
15393 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); | |
15394 | void *hdr; | |
15395 | ||
15396 | if (WARN_ON(!mac)) | |
15397 | return; | |
15398 | ||
15399 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
15400 | if (!msg) | |
15401 | return; | |
15402 | ||
15403 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STA_OPMODE_CHANGED); | |
15404 | if (!hdr) { | |
15405 | nlmsg_free(msg); | |
15406 | return; | |
15407 | } | |
15408 | ||
15409 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
15410 | goto nla_put_failure; | |
15411 | ||
15412 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) | |
15413 | goto nla_put_failure; | |
15414 | ||
15415 | if (nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac)) | |
15416 | goto nla_put_failure; | |
15417 | ||
15418 | if ((sta_opmode->changed & STA_OPMODE_SMPS_MODE_CHANGED) && | |
15419 | nla_put_u8(msg, NL80211_ATTR_SMPS_MODE, sta_opmode->smps_mode)) | |
15420 | goto nla_put_failure; | |
15421 | ||
15422 | if ((sta_opmode->changed & STA_OPMODE_MAX_BW_CHANGED) && | |
15423 | nla_put_u8(msg, NL80211_ATTR_CHANNEL_WIDTH, sta_opmode->bw)) | |
15424 | goto nla_put_failure; | |
15425 | ||
15426 | if ((sta_opmode->changed & STA_OPMODE_N_SS_CHANGED) && | |
15427 | nla_put_u8(msg, NL80211_ATTR_NSS, sta_opmode->rx_nss)) | |
15428 | goto nla_put_failure; | |
15429 | ||
15430 | genlmsg_end(msg, hdr); | |
15431 | ||
15432 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, | |
15433 | NL80211_MCGRP_MLME, gfp); | |
15434 | ||
15435 | return; | |
15436 | ||
15437 | nla_put_failure: | |
15438 | nlmsg_free(msg); | |
15439 | } | |
15440 | EXPORT_SYMBOL(cfg80211_sta_opmode_change_notify); | |
15441 | ||
7f6cf311 | 15442 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
c4b50cd3 VN |
15443 | u64 cookie, bool acked, s32 ack_signal, |
15444 | bool is_valid_ack_signal, gfp_t gfp) | |
7f6cf311 JB |
15445 | { |
15446 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 15447 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
7f6cf311 JB |
15448 | struct sk_buff *msg; |
15449 | void *hdr; | |
7f6cf311 | 15450 | |
4ee3e063 BL |
15451 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
15452 | ||
58050fce | 15453 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 15454 | |
7f6cf311 JB |
15455 | if (!msg) |
15456 | return; | |
15457 | ||
15458 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
15459 | if (!hdr) { | |
15460 | nlmsg_free(msg); | |
15461 | return; | |
15462 | } | |
15463 | ||
9360ffd1 DM |
15464 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
15465 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
15466 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
2dad624e ND |
15467 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
15468 | NL80211_ATTR_PAD) || | |
c4b50cd3 VN |
15469 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK)) || |
15470 | (is_valid_ack_signal && nla_put_s32(msg, NL80211_ATTR_ACK_SIGNAL, | |
15471 | ack_signal))) | |
9360ffd1 | 15472 | goto nla_put_failure; |
7f6cf311 | 15473 | |
9c90a9f6 | 15474 | genlmsg_end(msg, hdr); |
7f6cf311 | 15475 | |
68eb5503 | 15476 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 15477 | NL80211_MCGRP_MLME, gfp); |
7f6cf311 JB |
15478 | return; |
15479 | ||
15480 | nla_put_failure: | |
7f6cf311 JB |
15481 | nlmsg_free(msg); |
15482 | } | |
15483 | EXPORT_SYMBOL(cfg80211_probe_status); | |
15484 | ||
5e760230 JB |
15485 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
15486 | const u8 *frame, size_t len, | |
37c73b5f | 15487 | int freq, int sig_dbm) |
5e760230 | 15488 | { |
f26cbf40 | 15489 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
5e760230 JB |
15490 | struct sk_buff *msg; |
15491 | void *hdr; | |
37c73b5f | 15492 | struct cfg80211_beacon_registration *reg; |
5e760230 | 15493 | |
4ee3e063 BL |
15494 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
15495 | ||
37c73b5f BG |
15496 | spin_lock_bh(&rdev->beacon_registrations_lock); |
15497 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
15498 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
15499 | if (!msg) { | |
15500 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
15501 | return; | |
15502 | } | |
5e760230 | 15503 | |
37c73b5f BG |
15504 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
15505 | if (!hdr) | |
15506 | goto nla_put_failure; | |
5e760230 | 15507 | |
37c73b5f BG |
15508 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
15509 | (freq && | |
15510 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
15511 | (sig_dbm && | |
15512 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
15513 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
15514 | goto nla_put_failure; | |
5e760230 | 15515 | |
37c73b5f | 15516 | genlmsg_end(msg, hdr); |
5e760230 | 15517 | |
37c73b5f BG |
15518 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
15519 | } | |
15520 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
15521 | return; |
15522 | ||
15523 | nla_put_failure: | |
37c73b5f | 15524 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
15525 | nlmsg_free(msg); |
15526 | } | |
15527 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
15528 | ||
cd8f7cb4 | 15529 | #ifdef CONFIG_PM |
8cd4d456 LC |
15530 | static int cfg80211_net_detect_results(struct sk_buff *msg, |
15531 | struct cfg80211_wowlan_wakeup *wakeup) | |
15532 | { | |
15533 | struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect; | |
15534 | struct nlattr *nl_results, *nl_match, *nl_freqs; | |
15535 | int i, j; | |
15536 | ||
15537 | nl_results = nla_nest_start( | |
15538 | msg, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS); | |
15539 | if (!nl_results) | |
15540 | return -EMSGSIZE; | |
15541 | ||
15542 | for (i = 0; i < nd->n_matches; i++) { | |
15543 | struct cfg80211_wowlan_nd_match *match = nd->matches[i]; | |
15544 | ||
15545 | nl_match = nla_nest_start(msg, i); | |
15546 | if (!nl_match) | |
15547 | break; | |
15548 | ||
15549 | /* The SSID attribute is optional in nl80211, but for | |
15550 | * simplicity reasons it's always present in the | |
15551 | * cfg80211 structure. If a driver can't pass the | |
15552 | * SSID, that needs to be changed. A zero length SSID | |
15553 | * is still a valid SSID (wildcard), so it cannot be | |
15554 | * used for this purpose. | |
15555 | */ | |
15556 | if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len, | |
15557 | match->ssid.ssid)) { | |
15558 | nla_nest_cancel(msg, nl_match); | |
15559 | goto out; | |
15560 | } | |
15561 | ||
15562 | if (match->n_channels) { | |
15563 | nl_freqs = nla_nest_start( | |
15564 | msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
15565 | if (!nl_freqs) { | |
15566 | nla_nest_cancel(msg, nl_match); | |
15567 | goto out; | |
15568 | } | |
15569 | ||
15570 | for (j = 0; j < match->n_channels; j++) { | |
5528fae8 | 15571 | if (nla_put_u32(msg, j, match->channels[j])) { |
8cd4d456 LC |
15572 | nla_nest_cancel(msg, nl_freqs); |
15573 | nla_nest_cancel(msg, nl_match); | |
15574 | goto out; | |
15575 | } | |
15576 | } | |
15577 | ||
15578 | nla_nest_end(msg, nl_freqs); | |
15579 | } | |
15580 | ||
15581 | nla_nest_end(msg, nl_match); | |
15582 | } | |
15583 | ||
15584 | out: | |
15585 | nla_nest_end(msg, nl_results); | |
15586 | return 0; | |
15587 | } | |
15588 | ||
cd8f7cb4 JB |
15589 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, |
15590 | struct cfg80211_wowlan_wakeup *wakeup, | |
15591 | gfp_t gfp) | |
15592 | { | |
f26cbf40 | 15593 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
cd8f7cb4 JB |
15594 | struct sk_buff *msg; |
15595 | void *hdr; | |
9c90a9f6 | 15596 | int size = 200; |
cd8f7cb4 JB |
15597 | |
15598 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
15599 | ||
15600 | if (wakeup) | |
15601 | size += wakeup->packet_present_len; | |
15602 | ||
15603 | msg = nlmsg_new(size, gfp); | |
15604 | if (!msg) | |
15605 | return; | |
15606 | ||
15607 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
15608 | if (!hdr) | |
15609 | goto free_msg; | |
15610 | ||
15611 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
15612 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
15613 | NL80211_ATTR_PAD)) | |
cd8f7cb4 JB |
15614 | goto free_msg; |
15615 | ||
15616 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
15617 | wdev->netdev->ifindex)) | |
15618 | goto free_msg; | |
15619 | ||
15620 | if (wakeup) { | |
15621 | struct nlattr *reasons; | |
15622 | ||
15623 | reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7fa322c8 JB |
15624 | if (!reasons) |
15625 | goto free_msg; | |
cd8f7cb4 JB |
15626 | |
15627 | if (wakeup->disconnect && | |
15628 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
15629 | goto free_msg; | |
15630 | if (wakeup->magic_pkt && | |
15631 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
15632 | goto free_msg; | |
15633 | if (wakeup->gtk_rekey_failure && | |
15634 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
15635 | goto free_msg; | |
15636 | if (wakeup->eap_identity_req && | |
15637 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
15638 | goto free_msg; | |
15639 | if (wakeup->four_way_handshake && | |
15640 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
15641 | goto free_msg; | |
15642 | if (wakeup->rfkill_release && | |
15643 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
15644 | goto free_msg; | |
15645 | ||
15646 | if (wakeup->pattern_idx >= 0 && | |
15647 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
15648 | wakeup->pattern_idx)) | |
15649 | goto free_msg; | |
15650 | ||
ae917c9f JB |
15651 | if (wakeup->tcp_match && |
15652 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH)) | |
15653 | goto free_msg; | |
2a0e047e | 15654 | |
ae917c9f JB |
15655 | if (wakeup->tcp_connlost && |
15656 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST)) | |
15657 | goto free_msg; | |
2a0e047e | 15658 | |
ae917c9f JB |
15659 | if (wakeup->tcp_nomoretokens && |
15660 | nla_put_flag(msg, | |
15661 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS)) | |
15662 | goto free_msg; | |
2a0e047e | 15663 | |
cd8f7cb4 JB |
15664 | if (wakeup->packet) { |
15665 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
15666 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
15667 | ||
15668 | if (!wakeup->packet_80211) { | |
15669 | pkt_attr = | |
15670 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
15671 | len_attr = | |
15672 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
15673 | } | |
15674 | ||
15675 | if (wakeup->packet_len && | |
15676 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
15677 | goto free_msg; | |
15678 | ||
15679 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
15680 | wakeup->packet)) | |
15681 | goto free_msg; | |
15682 | } | |
15683 | ||
8cd4d456 LC |
15684 | if (wakeup->net_detect && |
15685 | cfg80211_net_detect_results(msg, wakeup)) | |
15686 | goto free_msg; | |
15687 | ||
cd8f7cb4 JB |
15688 | nla_nest_end(msg, reasons); |
15689 | } | |
15690 | ||
9c90a9f6 | 15691 | genlmsg_end(msg, hdr); |
cd8f7cb4 | 15692 | |
68eb5503 | 15693 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 15694 | NL80211_MCGRP_MLME, gfp); |
cd8f7cb4 JB |
15695 | return; |
15696 | ||
15697 | free_msg: | |
15698 | nlmsg_free(msg); | |
15699 | } | |
15700 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
15701 | #endif | |
15702 | ||
3475b094 JM |
15703 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
15704 | enum nl80211_tdls_operation oper, | |
15705 | u16 reason_code, gfp_t gfp) | |
15706 | { | |
15707 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 15708 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
3475b094 JM |
15709 | struct sk_buff *msg; |
15710 | void *hdr; | |
3475b094 JM |
15711 | |
15712 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
15713 | reason_code); | |
15714 | ||
15715 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
15716 | if (!msg) | |
15717 | return; | |
15718 | ||
15719 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
15720 | if (!hdr) { | |
15721 | nlmsg_free(msg); | |
15722 | return; | |
15723 | } | |
15724 | ||
15725 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
15726 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
15727 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
15728 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
15729 | (reason_code > 0 && | |
15730 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
15731 | goto nla_put_failure; | |
15732 | ||
9c90a9f6 | 15733 | genlmsg_end(msg, hdr); |
3475b094 | 15734 | |
68eb5503 | 15735 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 15736 | NL80211_MCGRP_MLME, gfp); |
3475b094 JM |
15737 | return; |
15738 | ||
15739 | nla_put_failure: | |
3475b094 JM |
15740 | nlmsg_free(msg); |
15741 | } | |
15742 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
15743 | ||
026331c4 JM |
15744 | static int nl80211_netlink_notify(struct notifier_block * nb, |
15745 | unsigned long state, | |
15746 | void *_notify) | |
15747 | { | |
15748 | struct netlink_notify *notify = _notify; | |
15749 | struct cfg80211_registered_device *rdev; | |
15750 | struct wireless_dev *wdev; | |
37c73b5f | 15751 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 | 15752 | |
8f815cdd | 15753 | if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC) |
026331c4 JM |
15754 | return NOTIFY_DONE; |
15755 | ||
15756 | rcu_read_lock(); | |
15757 | ||
5e760230 | 15758 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
ca986ad9 | 15759 | struct cfg80211_sched_scan_request *sched_scan_req; |
753aacfd | 15760 | |
ca986ad9 AVS |
15761 | list_for_each_entry_rcu(sched_scan_req, |
15762 | &rdev->sched_scan_req_list, | |
15763 | list) { | |
15764 | if (sched_scan_req->owner_nlportid == notify->portid) { | |
15765 | sched_scan_req->nl_owner_dead = true; | |
753aacfd | 15766 | schedule_work(&rdev->sched_scan_stop_wk); |
ca986ad9 | 15767 | } |
753aacfd | 15768 | } |
78f22b6a | 15769 | |
53873f13 | 15770 | list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) { |
15e47304 | 15771 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f | 15772 | |
ab81007a JB |
15773 | if (wdev->owner_nlportid == notify->portid) { |
15774 | wdev->nl_owner_dead = true; | |
15775 | schedule_work(&rdev->destroy_work); | |
15776 | } else if (wdev->conn_owner_nlportid == notify->portid) { | |
bd2522b1 | 15777 | schedule_work(&wdev->disconnect_wk); |
ab81007a | 15778 | } |
78f22b6a JB |
15779 | } |
15780 | ||
37c73b5f BG |
15781 | spin_lock_bh(&rdev->beacon_registrations_lock); |
15782 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
15783 | list) { | |
15784 | if (reg->nlportid == notify->portid) { | |
15785 | list_del(®->list); | |
15786 | kfree(reg); | |
15787 | break; | |
15788 | } | |
15789 | } | |
15790 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 | 15791 | } |
026331c4 JM |
15792 | |
15793 | rcu_read_unlock(); | |
15794 | ||
05050753 I |
15795 | /* |
15796 | * It is possible that the user space process that is controlling the | |
15797 | * indoor setting disappeared, so notify the regulatory core. | |
15798 | */ | |
15799 | regulatory_netlink_notify(notify->portid); | |
6784c7db | 15800 | return NOTIFY_OK; |
026331c4 JM |
15801 | } |
15802 | ||
15803 | static struct notifier_block nl80211_netlink_notifier = { | |
15804 | .notifier_call = nl80211_netlink_notify, | |
15805 | }; | |
15806 | ||
355199e0 JM |
15807 | void cfg80211_ft_event(struct net_device *netdev, |
15808 | struct cfg80211_ft_event_params *ft_event) | |
15809 | { | |
15810 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
f26cbf40 | 15811 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
355199e0 JM |
15812 | struct sk_buff *msg; |
15813 | void *hdr; | |
355199e0 JM |
15814 | |
15815 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
15816 | ||
15817 | if (!ft_event->target_ap) | |
15818 | return; | |
15819 | ||
1039d081 DL |
15820 | msg = nlmsg_new(100 + ft_event->ies_len + ft_event->ric_ies_len, |
15821 | GFP_KERNEL); | |
355199e0 JM |
15822 | if (!msg) |
15823 | return; | |
15824 | ||
15825 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
ae917c9f JB |
15826 | if (!hdr) |
15827 | goto out; | |
355199e0 | 15828 | |
ae917c9f JB |
15829 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
15830 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
15831 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap)) | |
15832 | goto out; | |
355199e0 | 15833 | |
ae917c9f JB |
15834 | if (ft_event->ies && |
15835 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies)) | |
15836 | goto out; | |
15837 | if (ft_event->ric_ies && | |
15838 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
15839 | ft_event->ric_ies)) | |
15840 | goto out; | |
355199e0 | 15841 | |
9c90a9f6 | 15842 | genlmsg_end(msg, hdr); |
355199e0 | 15843 | |
68eb5503 | 15844 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 15845 | NL80211_MCGRP_MLME, GFP_KERNEL); |
ae917c9f JB |
15846 | return; |
15847 | out: | |
15848 | nlmsg_free(msg); | |
355199e0 JM |
15849 | } |
15850 | EXPORT_SYMBOL(cfg80211_ft_event); | |
15851 | ||
5de17984 AS |
15852 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
15853 | { | |
15854 | struct cfg80211_registered_device *rdev; | |
15855 | struct sk_buff *msg; | |
15856 | void *hdr; | |
15857 | u32 nlportid; | |
15858 | ||
f26cbf40 | 15859 | rdev = wiphy_to_rdev(wdev->wiphy); |
5de17984 AS |
15860 | if (!rdev->crit_proto_nlportid) |
15861 | return; | |
15862 | ||
15863 | nlportid = rdev->crit_proto_nlportid; | |
15864 | rdev->crit_proto_nlportid = 0; | |
15865 | ||
15866 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
15867 | if (!msg) | |
15868 | return; | |
15869 | ||
15870 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
15871 | if (!hdr) | |
15872 | goto nla_put_failure; | |
15873 | ||
15874 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
15875 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
15876 | NL80211_ATTR_PAD)) | |
5de17984 AS |
15877 | goto nla_put_failure; |
15878 | ||
15879 | genlmsg_end(msg, hdr); | |
15880 | ||
15881 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
15882 | return; | |
15883 | ||
15884 | nla_put_failure: | |
5de17984 | 15885 | nlmsg_free(msg); |
5de17984 AS |
15886 | } |
15887 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
15888 | ||
348baf0e JB |
15889 | void nl80211_send_ap_stopped(struct wireless_dev *wdev) |
15890 | { | |
15891 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 15892 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
348baf0e JB |
15893 | struct sk_buff *msg; |
15894 | void *hdr; | |
15895 | ||
15896 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
15897 | if (!msg) | |
15898 | return; | |
15899 | ||
15900 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP); | |
15901 | if (!hdr) | |
15902 | goto out; | |
15903 | ||
15904 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
15905 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) || | |
2dad624e ND |
15906 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
15907 | NL80211_ATTR_PAD)) | |
348baf0e JB |
15908 | goto out; |
15909 | ||
15910 | genlmsg_end(msg, hdr); | |
15911 | ||
15912 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0, | |
15913 | NL80211_MCGRP_MLME, GFP_KERNEL); | |
15914 | return; | |
15915 | out: | |
15916 | nlmsg_free(msg); | |
15917 | } | |
15918 | ||
40cbfa90 SD |
15919 | int cfg80211_external_auth_request(struct net_device *dev, |
15920 | struct cfg80211_external_auth_params *params, | |
15921 | gfp_t gfp) | |
15922 | { | |
15923 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
15924 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); | |
15925 | struct sk_buff *msg; | |
15926 | void *hdr; | |
15927 | ||
15928 | if (!wdev->conn_owner_nlportid) | |
15929 | return -EINVAL; | |
15930 | ||
15931 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
15932 | if (!msg) | |
15933 | return -ENOMEM; | |
15934 | ||
15935 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_EXTERNAL_AUTH); | |
15936 | if (!hdr) | |
15937 | goto nla_put_failure; | |
15938 | ||
15939 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
15940 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
15941 | nla_put_u32(msg, NL80211_ATTR_AKM_SUITES, params->key_mgmt_suite) || | |
15942 | nla_put_u32(msg, NL80211_ATTR_EXTERNAL_AUTH_ACTION, | |
15943 | params->action) || | |
15944 | nla_put(msg, NL80211_ATTR_BSSID, ETH_ALEN, params->bssid) || | |
15945 | nla_put(msg, NL80211_ATTR_SSID, params->ssid.ssid_len, | |
15946 | params->ssid.ssid)) | |
15947 | goto nla_put_failure; | |
15948 | ||
15949 | genlmsg_end(msg, hdr); | |
15950 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, | |
15951 | wdev->conn_owner_nlportid); | |
15952 | return 0; | |
15953 | ||
15954 | nla_put_failure: | |
15955 | nlmsg_free(msg); | |
15956 | return -ENOBUFS; | |
15957 | } | |
15958 | EXPORT_SYMBOL(cfg80211_external_auth_request); | |
15959 | ||
55682965 JB |
15960 | /* initialisation/exit functions */ |
15961 | ||
56989f6d | 15962 | int __init nl80211_init(void) |
55682965 | 15963 | { |
0d63cbb5 | 15964 | int err; |
55682965 | 15965 | |
489111e5 | 15966 | err = genl_register_family(&nl80211_fam); |
55682965 JB |
15967 | if (err) |
15968 | return err; | |
15969 | ||
026331c4 JM |
15970 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
15971 | if (err) | |
15972 | goto err_out; | |
15973 | ||
55682965 JB |
15974 | return 0; |
15975 | err_out: | |
15976 | genl_unregister_family(&nl80211_fam); | |
15977 | return err; | |
15978 | } | |
15979 | ||
15980 | void nl80211_exit(void) | |
15981 | { | |
026331c4 | 15982 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
15983 | genl_unregister_family(&nl80211_fam); |
15984 | } |