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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 |
55682965 JB |
7 | */ |
8 | ||
9 | #include <linux/if.h> | |
10 | #include <linux/module.h> | |
11 | #include <linux/err.h> | |
5a0e3ad6 | 12 | #include <linux/slab.h> |
55682965 JB |
13 | #include <linux/list.h> |
14 | #include <linux/if_ether.h> | |
15 | #include <linux/ieee80211.h> | |
16 | #include <linux/nl80211.h> | |
17 | #include <linux/rtnetlink.h> | |
18 | #include <linux/netlink.h> | |
2a519311 | 19 | #include <linux/etherdevice.h> |
463d0183 | 20 | #include <net/net_namespace.h> |
55682965 JB |
21 | #include <net/genetlink.h> |
22 | #include <net/cfg80211.h> | |
463d0183 | 23 | #include <net/sock.h> |
2a0e047e | 24 | #include <net/inet_connection_sock.h> |
55682965 JB |
25 | #include "core.h" |
26 | #include "nl80211.h" | |
b2e1b302 | 27 | #include "reg.h" |
e35e4d28 | 28 | #include "rdev-ops.h" |
55682965 | 29 | |
5fb628e9 JM |
30 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
31 | struct genl_info *info, | |
32 | struct cfg80211_crypto_settings *settings, | |
33 | int cipher_limit); | |
34 | ||
55682965 | 35 | /* the netlink family */ |
489111e5 | 36 | static struct genl_family nl80211_fam; |
55682965 | 37 | |
2a94fe48 JB |
38 | /* multicast groups */ |
39 | enum nl80211_multicast_groups { | |
40 | NL80211_MCGRP_CONFIG, | |
41 | NL80211_MCGRP_SCAN, | |
42 | NL80211_MCGRP_REGULATORY, | |
43 | NL80211_MCGRP_MLME, | |
567ffc35 | 44 | NL80211_MCGRP_VENDOR, |
50bcd31d | 45 | NL80211_MCGRP_NAN, |
2a94fe48 JB |
46 | NL80211_MCGRP_TESTMODE /* keep last - ifdef! */ |
47 | }; | |
48 | ||
49 | static const struct genl_multicast_group nl80211_mcgrps[] = { | |
71b836ec JB |
50 | [NL80211_MCGRP_CONFIG] = { .name = NL80211_MULTICAST_GROUP_CONFIG }, |
51 | [NL80211_MCGRP_SCAN] = { .name = NL80211_MULTICAST_GROUP_SCAN }, | |
52 | [NL80211_MCGRP_REGULATORY] = { .name = NL80211_MULTICAST_GROUP_REG }, | |
53 | [NL80211_MCGRP_MLME] = { .name = NL80211_MULTICAST_GROUP_MLME }, | |
54 | [NL80211_MCGRP_VENDOR] = { .name = NL80211_MULTICAST_GROUP_VENDOR }, | |
50bcd31d | 55 | [NL80211_MCGRP_NAN] = { .name = NL80211_MULTICAST_GROUP_NAN }, |
2a94fe48 | 56 | #ifdef CONFIG_NL80211_TESTMODE |
71b836ec | 57 | [NL80211_MCGRP_TESTMODE] = { .name = NL80211_MULTICAST_GROUP_TESTMODE } |
2a94fe48 JB |
58 | #endif |
59 | }; | |
60 | ||
89a54e48 JB |
61 | /* returns ERR_PTR values */ |
62 | static struct wireless_dev * | |
63 | __cfg80211_wdev_from_attrs(struct net *netns, struct nlattr **attrs) | |
55682965 | 64 | { |
89a54e48 JB |
65 | struct cfg80211_registered_device *rdev; |
66 | struct wireless_dev *result = NULL; | |
67 | bool have_ifidx = attrs[NL80211_ATTR_IFINDEX]; | |
68 | bool have_wdev_id = attrs[NL80211_ATTR_WDEV]; | |
69 | u64 wdev_id; | |
70 | int wiphy_idx = -1; | |
71 | int ifidx = -1; | |
55682965 | 72 | |
5fe231e8 | 73 | ASSERT_RTNL(); |
55682965 | 74 | |
89a54e48 JB |
75 | if (!have_ifidx && !have_wdev_id) |
76 | return ERR_PTR(-EINVAL); | |
55682965 | 77 | |
89a54e48 JB |
78 | if (have_ifidx) |
79 | ifidx = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
80 | if (have_wdev_id) { | |
81 | wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
82 | wiphy_idx = wdev_id >> 32; | |
55682965 JB |
83 | } |
84 | ||
89a54e48 JB |
85 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
86 | struct wireless_dev *wdev; | |
87 | ||
88 | if (wiphy_net(&rdev->wiphy) != netns) | |
89 | continue; | |
90 | ||
91 | if (have_wdev_id && rdev->wiphy_idx != wiphy_idx) | |
92 | continue; | |
93 | ||
53873f13 | 94 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
89a54e48 JB |
95 | if (have_ifidx && wdev->netdev && |
96 | wdev->netdev->ifindex == ifidx) { | |
97 | result = wdev; | |
98 | break; | |
99 | } | |
100 | if (have_wdev_id && wdev->identifier == (u32)wdev_id) { | |
101 | result = wdev; | |
102 | break; | |
103 | } | |
104 | } | |
89a54e48 JB |
105 | |
106 | if (result) | |
107 | break; | |
108 | } | |
109 | ||
110 | if (result) | |
111 | return result; | |
112 | return ERR_PTR(-ENODEV); | |
55682965 JB |
113 | } |
114 | ||
a9455408 | 115 | static struct cfg80211_registered_device * |
878d9ec7 | 116 | __cfg80211_rdev_from_attrs(struct net *netns, struct nlattr **attrs) |
a9455408 | 117 | { |
7fee4778 JB |
118 | struct cfg80211_registered_device *rdev = NULL, *tmp; |
119 | struct net_device *netdev; | |
a9455408 | 120 | |
5fe231e8 | 121 | ASSERT_RTNL(); |
a9455408 | 122 | |
878d9ec7 | 123 | if (!attrs[NL80211_ATTR_WIPHY] && |
89a54e48 JB |
124 | !attrs[NL80211_ATTR_IFINDEX] && |
125 | !attrs[NL80211_ATTR_WDEV]) | |
7fee4778 JB |
126 | return ERR_PTR(-EINVAL); |
127 | ||
878d9ec7 | 128 | if (attrs[NL80211_ATTR_WIPHY]) |
7fee4778 | 129 | rdev = cfg80211_rdev_by_wiphy_idx( |
878d9ec7 | 130 | nla_get_u32(attrs[NL80211_ATTR_WIPHY])); |
a9455408 | 131 | |
89a54e48 JB |
132 | if (attrs[NL80211_ATTR_WDEV]) { |
133 | u64 wdev_id = nla_get_u64(attrs[NL80211_ATTR_WDEV]); | |
134 | struct wireless_dev *wdev; | |
135 | bool found = false; | |
136 | ||
137 | tmp = cfg80211_rdev_by_wiphy_idx(wdev_id >> 32); | |
138 | if (tmp) { | |
139 | /* make sure wdev exists */ | |
53873f13 | 140 | list_for_each_entry(wdev, &tmp->wiphy.wdev_list, list) { |
89a54e48 JB |
141 | if (wdev->identifier != (u32)wdev_id) |
142 | continue; | |
143 | found = true; | |
144 | break; | |
145 | } | |
89a54e48 JB |
146 | |
147 | if (!found) | |
148 | tmp = NULL; | |
149 | ||
150 | if (rdev && tmp != rdev) | |
151 | return ERR_PTR(-EINVAL); | |
152 | rdev = tmp; | |
153 | } | |
154 | } | |
155 | ||
878d9ec7 JB |
156 | if (attrs[NL80211_ATTR_IFINDEX]) { |
157 | int ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]); | |
7a087e74 | 158 | |
7f2b8562 | 159 | netdev = __dev_get_by_index(netns, ifindex); |
7fee4778 JB |
160 | if (netdev) { |
161 | if (netdev->ieee80211_ptr) | |
f26cbf40 ZG |
162 | tmp = wiphy_to_rdev( |
163 | netdev->ieee80211_ptr->wiphy); | |
7fee4778 JB |
164 | else |
165 | tmp = NULL; | |
166 | ||
7fee4778 JB |
167 | /* not wireless device -- return error */ |
168 | if (!tmp) | |
169 | return ERR_PTR(-EINVAL); | |
170 | ||
171 | /* mismatch -- return error */ | |
172 | if (rdev && tmp != rdev) | |
173 | return ERR_PTR(-EINVAL); | |
174 | ||
175 | rdev = tmp; | |
a9455408 | 176 | } |
a9455408 | 177 | } |
a9455408 | 178 | |
4f7eff10 JB |
179 | if (!rdev) |
180 | return ERR_PTR(-ENODEV); | |
a9455408 | 181 | |
4f7eff10 JB |
182 | if (netns != wiphy_net(&rdev->wiphy)) |
183 | return ERR_PTR(-ENODEV); | |
184 | ||
185 | return rdev; | |
a9455408 JB |
186 | } |
187 | ||
188 | /* | |
189 | * This function returns a pointer to the driver | |
190 | * that the genl_info item that is passed refers to. | |
a9455408 JB |
191 | * |
192 | * The result of this can be a PTR_ERR and hence must | |
193 | * be checked with IS_ERR() for errors. | |
194 | */ | |
195 | static struct cfg80211_registered_device * | |
4f7eff10 | 196 | cfg80211_get_dev_from_info(struct net *netns, struct genl_info *info) |
a9455408 | 197 | { |
5fe231e8 | 198 | return __cfg80211_rdev_from_attrs(netns, info->attrs); |
a9455408 JB |
199 | } |
200 | ||
55682965 | 201 | /* policy for the attributes */ |
8cd4d456 | 202 | static const struct nla_policy nl80211_policy[NUM_NL80211_ATTR] = { |
55682965 JB |
203 | [NL80211_ATTR_WIPHY] = { .type = NLA_U32 }, |
204 | [NL80211_ATTR_WIPHY_NAME] = { .type = NLA_NUL_STRING, | |
079e24ed | 205 | .len = 20-1 }, |
31888487 | 206 | [NL80211_ATTR_WIPHY_TXQ_PARAMS] = { .type = NLA_NESTED }, |
3d9d1d66 | 207 | |
72bdcf34 | 208 | [NL80211_ATTR_WIPHY_FREQ] = { .type = NLA_U32 }, |
094d05dc | 209 | [NL80211_ATTR_WIPHY_CHANNEL_TYPE] = { .type = NLA_U32 }, |
3d9d1d66 JB |
210 | [NL80211_ATTR_CHANNEL_WIDTH] = { .type = NLA_U32 }, |
211 | [NL80211_ATTR_CENTER_FREQ1] = { .type = NLA_U32 }, | |
212 | [NL80211_ATTR_CENTER_FREQ2] = { .type = NLA_U32 }, | |
213 | ||
b9a5f8ca JM |
214 | [NL80211_ATTR_WIPHY_RETRY_SHORT] = { .type = NLA_U8 }, |
215 | [NL80211_ATTR_WIPHY_RETRY_LONG] = { .type = NLA_U8 }, | |
216 | [NL80211_ATTR_WIPHY_FRAG_THRESHOLD] = { .type = NLA_U32 }, | |
217 | [NL80211_ATTR_WIPHY_RTS_THRESHOLD] = { .type = NLA_U32 }, | |
81077e82 | 218 | [NL80211_ATTR_WIPHY_COVERAGE_CLASS] = { .type = NLA_U8 }, |
3057dbfd | 219 | [NL80211_ATTR_WIPHY_DYN_ACK] = { .type = NLA_FLAG }, |
55682965 JB |
220 | |
221 | [NL80211_ATTR_IFTYPE] = { .type = NLA_U32 }, | |
222 | [NL80211_ATTR_IFINDEX] = { .type = NLA_U32 }, | |
223 | [NL80211_ATTR_IFNAME] = { .type = NLA_NUL_STRING, .len = IFNAMSIZ-1 }, | |
41ade00f | 224 | |
e007b857 EP |
225 | [NL80211_ATTR_MAC] = { .len = ETH_ALEN }, |
226 | [NL80211_ATTR_PREV_BSSID] = { .len = ETH_ALEN }, | |
41ade00f | 227 | |
b9454e83 | 228 | [NL80211_ATTR_KEY] = { .type = NLA_NESTED, }, |
41ade00f JB |
229 | [NL80211_ATTR_KEY_DATA] = { .type = NLA_BINARY, |
230 | .len = WLAN_MAX_KEY_LEN }, | |
231 | [NL80211_ATTR_KEY_IDX] = { .type = NLA_U8 }, | |
232 | [NL80211_ATTR_KEY_CIPHER] = { .type = NLA_U32 }, | |
233 | [NL80211_ATTR_KEY_DEFAULT] = { .type = NLA_FLAG }, | |
81962267 | 234 | [NL80211_ATTR_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
e31b8213 | 235 | [NL80211_ATTR_KEY_TYPE] = { .type = NLA_U32 }, |
ed1b6cc7 JB |
236 | |
237 | [NL80211_ATTR_BEACON_INTERVAL] = { .type = NLA_U32 }, | |
238 | [NL80211_ATTR_DTIM_PERIOD] = { .type = NLA_U32 }, | |
239 | [NL80211_ATTR_BEACON_HEAD] = { .type = NLA_BINARY, | |
240 | .len = IEEE80211_MAX_DATA_LEN }, | |
241 | [NL80211_ATTR_BEACON_TAIL] = { .type = NLA_BINARY, | |
242 | .len = IEEE80211_MAX_DATA_LEN }, | |
5727ef1b JB |
243 | [NL80211_ATTR_STA_AID] = { .type = NLA_U16 }, |
244 | [NL80211_ATTR_STA_FLAGS] = { .type = NLA_NESTED }, | |
245 | [NL80211_ATTR_STA_LISTEN_INTERVAL] = { .type = NLA_U16 }, | |
246 | [NL80211_ATTR_STA_SUPPORTED_RATES] = { .type = NLA_BINARY, | |
247 | .len = NL80211_MAX_SUPP_RATES }, | |
2ec600d6 | 248 | [NL80211_ATTR_STA_PLINK_ACTION] = { .type = NLA_U8 }, |
5727ef1b | 249 | [NL80211_ATTR_STA_VLAN] = { .type = NLA_U32 }, |
0a9542ee | 250 | [NL80211_ATTR_MNTR_FLAGS] = { /* NLA_NESTED can't be empty */ }, |
2ec600d6 | 251 | [NL80211_ATTR_MESH_ID] = { .type = NLA_BINARY, |
a4f606ea | 252 | .len = IEEE80211_MAX_MESH_ID_LEN }, |
2ec600d6 | 253 | [NL80211_ATTR_MPATH_NEXT_HOP] = { .type = NLA_U32 }, |
9f1ba906 | 254 | |
b2e1b302 LR |
255 | [NL80211_ATTR_REG_ALPHA2] = { .type = NLA_STRING, .len = 2 }, |
256 | [NL80211_ATTR_REG_RULES] = { .type = NLA_NESTED }, | |
257 | ||
9f1ba906 JM |
258 | [NL80211_ATTR_BSS_CTS_PROT] = { .type = NLA_U8 }, |
259 | [NL80211_ATTR_BSS_SHORT_PREAMBLE] = { .type = NLA_U8 }, | |
260 | [NL80211_ATTR_BSS_SHORT_SLOT_TIME] = { .type = NLA_U8 }, | |
90c97a04 JM |
261 | [NL80211_ATTR_BSS_BASIC_RATES] = { .type = NLA_BINARY, |
262 | .len = NL80211_MAX_SUPP_RATES }, | |
50b12f59 | 263 | [NL80211_ATTR_BSS_HT_OPMODE] = { .type = NLA_U16 }, |
36aedc90 | 264 | |
24bdd9f4 | 265 | [NL80211_ATTR_MESH_CONFIG] = { .type = NLA_NESTED }, |
15d5dda6 | 266 | [NL80211_ATTR_SUPPORT_MESH_AUTH] = { .type = NLA_FLAG }, |
93da9cc1 | 267 | |
6c739419 | 268 | [NL80211_ATTR_HT_CAPABILITY] = { .len = NL80211_HT_CAPABILITY_LEN }, |
9aed3cc1 JM |
269 | |
270 | [NL80211_ATTR_MGMT_SUBTYPE] = { .type = NLA_U8 }, | |
271 | [NL80211_ATTR_IE] = { .type = NLA_BINARY, | |
272 | .len = IEEE80211_MAX_DATA_LEN }, | |
2a519311 JB |
273 | [NL80211_ATTR_SCAN_FREQUENCIES] = { .type = NLA_NESTED }, |
274 | [NL80211_ATTR_SCAN_SSIDS] = { .type = NLA_NESTED }, | |
636a5d36 JM |
275 | |
276 | [NL80211_ATTR_SSID] = { .type = NLA_BINARY, | |
277 | .len = IEEE80211_MAX_SSID_LEN }, | |
278 | [NL80211_ATTR_AUTH_TYPE] = { .type = NLA_U32 }, | |
279 | [NL80211_ATTR_REASON_CODE] = { .type = NLA_U16 }, | |
04a773ad | 280 | [NL80211_ATTR_FREQ_FIXED] = { .type = NLA_FLAG }, |
1965c853 | 281 | [NL80211_ATTR_TIMED_OUT] = { .type = NLA_FLAG }, |
dc6382ce | 282 | [NL80211_ATTR_USE_MFP] = { .type = NLA_U32 }, |
eccb8e8f JB |
283 | [NL80211_ATTR_STA_FLAGS2] = { |
284 | .len = sizeof(struct nl80211_sta_flag_update), | |
285 | }, | |
3f77316c | 286 | [NL80211_ATTR_CONTROL_PORT] = { .type = NLA_FLAG }, |
c0692b8f JB |
287 | [NL80211_ATTR_CONTROL_PORT_ETHERTYPE] = { .type = NLA_U16 }, |
288 | [NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT] = { .type = NLA_FLAG }, | |
b23aa676 SO |
289 | [NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG }, |
290 | [NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 }, | |
291 | [NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 }, | |
463d0183 | 292 | [NL80211_ATTR_PID] = { .type = NLA_U32 }, |
8b787643 | 293 | [NL80211_ATTR_4ADDR] = { .type = NLA_U8 }, |
9361df14 | 294 | [NL80211_ATTR_PMKID] = { .len = WLAN_PMKID_LEN }, |
9588bbd5 JM |
295 | [NL80211_ATTR_DURATION] = { .type = NLA_U32 }, |
296 | [NL80211_ATTR_COOKIE] = { .type = NLA_U64 }, | |
13ae75b1 | 297 | [NL80211_ATTR_TX_RATES] = { .type = NLA_NESTED }, |
026331c4 JM |
298 | [NL80211_ATTR_FRAME] = { .type = NLA_BINARY, |
299 | .len = IEEE80211_MAX_DATA_LEN }, | |
300 | [NL80211_ATTR_FRAME_MATCH] = { .type = NLA_BINARY, }, | |
ffb9eb3d | 301 | [NL80211_ATTR_PS_STATE] = { .type = NLA_U32 }, |
d6dc1a38 | 302 | [NL80211_ATTR_CQM] = { .type = NLA_NESTED, }, |
d5cdfacb | 303 | [NL80211_ATTR_LOCAL_STATE_CHANGE] = { .type = NLA_FLAG }, |
fd8aaaf3 | 304 | [NL80211_ATTR_AP_ISOLATE] = { .type = NLA_U8 }, |
98d2ff8b JO |
305 | [NL80211_ATTR_WIPHY_TX_POWER_SETTING] = { .type = NLA_U32 }, |
306 | [NL80211_ATTR_WIPHY_TX_POWER_LEVEL] = { .type = NLA_U32 }, | |
2e161f78 | 307 | [NL80211_ATTR_FRAME_TYPE] = { .type = NLA_U16 }, |
afe0cbf8 BR |
308 | [NL80211_ATTR_WIPHY_ANTENNA_TX] = { .type = NLA_U32 }, |
309 | [NL80211_ATTR_WIPHY_ANTENNA_RX] = { .type = NLA_U32 }, | |
885a46d0 | 310 | [NL80211_ATTR_MCAST_RATE] = { .type = NLA_U32 }, |
f7ca38df | 311 | [NL80211_ATTR_OFFCHANNEL_TX_OK] = { .type = NLA_FLAG }, |
dbd2fd65 | 312 | [NL80211_ATTR_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
ff1b6e69 | 313 | [NL80211_ATTR_WOWLAN_TRIGGERS] = { .type = NLA_NESTED }, |
9c3990aa | 314 | [NL80211_ATTR_STA_PLINK_STATE] = { .type = NLA_U8 }, |
bbe6ad6d | 315 | [NL80211_ATTR_SCHED_SCAN_INTERVAL] = { .type = NLA_U32 }, |
e5497d76 | 316 | [NL80211_ATTR_REKEY_DATA] = { .type = NLA_NESTED }, |
34850ab2 | 317 | [NL80211_ATTR_SCAN_SUPP_RATES] = { .type = NLA_NESTED }, |
32e9de84 | 318 | [NL80211_ATTR_HIDDEN_SSID] = { .type = NLA_U32 }, |
9946ecfb JM |
319 | [NL80211_ATTR_IE_PROBE_RESP] = { .type = NLA_BINARY, |
320 | .len = IEEE80211_MAX_DATA_LEN }, | |
321 | [NL80211_ATTR_IE_ASSOC_RESP] = { .type = NLA_BINARY, | |
322 | .len = IEEE80211_MAX_DATA_LEN }, | |
f4b34b55 | 323 | [NL80211_ATTR_ROAM_SUPPORT] = { .type = NLA_FLAG }, |
a1f1c21c | 324 | [NL80211_ATTR_SCHED_SCAN_MATCH] = { .type = NLA_NESTED }, |
e9f935e3 | 325 | [NL80211_ATTR_TX_NO_CCK_RATE] = { .type = NLA_FLAG }, |
109086ce AN |
326 | [NL80211_ATTR_TDLS_ACTION] = { .type = NLA_U8 }, |
327 | [NL80211_ATTR_TDLS_DIALOG_TOKEN] = { .type = NLA_U8 }, | |
328 | [NL80211_ATTR_TDLS_OPERATION] = { .type = NLA_U8 }, | |
329 | [NL80211_ATTR_TDLS_SUPPORT] = { .type = NLA_FLAG }, | |
330 | [NL80211_ATTR_TDLS_EXTERNAL_SETUP] = { .type = NLA_FLAG }, | |
31fa97c5 | 331 | [NL80211_ATTR_TDLS_INITIATOR] = { .type = NLA_FLAG }, |
e247bd90 | 332 | [NL80211_ATTR_DONT_WAIT_FOR_ACK] = { .type = NLA_FLAG }, |
00f740e1 AN |
333 | [NL80211_ATTR_PROBE_RESP] = { .type = NLA_BINARY, |
334 | .len = IEEE80211_MAX_DATA_LEN }, | |
8b60b078 | 335 | [NL80211_ATTR_DFS_REGION] = { .type = NLA_U8 }, |
7e7c8926 BG |
336 | [NL80211_ATTR_DISABLE_HT] = { .type = NLA_FLAG }, |
337 | [NL80211_ATTR_HT_CAPABILITY_MASK] = { | |
338 | .len = NL80211_HT_CAPABILITY_LEN | |
339 | }, | |
1d9d9213 | 340 | [NL80211_ATTR_NOACK_MAP] = { .type = NLA_U16 }, |
1b658f11 | 341 | [NL80211_ATTR_INACTIVITY_TIMEOUT] = { .type = NLA_U16 }, |
4486ea98 | 342 | [NL80211_ATTR_BG_SCAN_PERIOD] = { .type = NLA_U16 }, |
89a54e48 | 343 | [NL80211_ATTR_WDEV] = { .type = NLA_U64 }, |
57b5ce07 | 344 | [NL80211_ATTR_USER_REG_HINT_TYPE] = { .type = NLA_U32 }, |
11b6b5a4 | 345 | [NL80211_ATTR_AUTH_DATA] = { .type = NLA_BINARY, }, |
f461be3e | 346 | [NL80211_ATTR_VHT_CAPABILITY] = { .len = NL80211_VHT_CAPABILITY_LEN }, |
ed473771 | 347 | [NL80211_ATTR_SCAN_FLAGS] = { .type = NLA_U32 }, |
53cabad7 JB |
348 | [NL80211_ATTR_P2P_CTWINDOW] = { .type = NLA_U8 }, |
349 | [NL80211_ATTR_P2P_OPPPS] = { .type = NLA_U8 }, | |
77765eaf VT |
350 | [NL80211_ATTR_ACL_POLICY] = {. type = NLA_U32 }, |
351 | [NL80211_ATTR_MAC_ADDRS] = { .type = NLA_NESTED }, | |
9d62a986 JM |
352 | [NL80211_ATTR_STA_CAPABILITY] = { .type = NLA_U16 }, |
353 | [NL80211_ATTR_STA_EXT_CAPABILITY] = { .type = NLA_BINARY, }, | |
3713b4e3 | 354 | [NL80211_ATTR_SPLIT_WIPHY_DUMP] = { .type = NLA_FLAG, }, |
ee2aca34 JB |
355 | [NL80211_ATTR_DISABLE_VHT] = { .type = NLA_FLAG }, |
356 | [NL80211_ATTR_VHT_CAPABILITY_MASK] = { | |
357 | .len = NL80211_VHT_CAPABILITY_LEN, | |
358 | }, | |
355199e0 JM |
359 | [NL80211_ATTR_MDID] = { .type = NLA_U16 }, |
360 | [NL80211_ATTR_IE_RIC] = { .type = NLA_BINARY, | |
361 | .len = IEEE80211_MAX_DATA_LEN }, | |
5e4b6f56 | 362 | [NL80211_ATTR_PEER_AID] = { .type = NLA_U16 }, |
16ef1fe2 SW |
363 | [NL80211_ATTR_CH_SWITCH_COUNT] = { .type = NLA_U32 }, |
364 | [NL80211_ATTR_CH_SWITCH_BLOCK_TX] = { .type = NLA_FLAG }, | |
365 | [NL80211_ATTR_CSA_IES] = { .type = NLA_NESTED }, | |
9a774c78 AO |
366 | [NL80211_ATTR_CSA_C_OFF_BEACON] = { .type = NLA_BINARY }, |
367 | [NL80211_ATTR_CSA_C_OFF_PRESP] = { .type = NLA_BINARY }, | |
c01fc9ad SD |
368 | [NL80211_ATTR_STA_SUPPORTED_CHANNELS] = { .type = NLA_BINARY }, |
369 | [NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES] = { .type = NLA_BINARY }, | |
5336fa88 | 370 | [NL80211_ATTR_HANDLE_DFS] = { .type = NLA_FLAG }, |
60f4a7b1 | 371 | [NL80211_ATTR_OPMODE_NOTIF] = { .type = NLA_U8 }, |
ad7e718c JB |
372 | [NL80211_ATTR_VENDOR_ID] = { .type = NLA_U32 }, |
373 | [NL80211_ATTR_VENDOR_SUBCMD] = { .type = NLA_U32 }, | |
374 | [NL80211_ATTR_VENDOR_DATA] = { .type = NLA_BINARY }, | |
fa9ffc74 KP |
375 | [NL80211_ATTR_QOS_MAP] = { .type = NLA_BINARY, |
376 | .len = IEEE80211_QOS_MAP_LEN_MAX }, | |
1df4a510 JM |
377 | [NL80211_ATTR_MAC_HINT] = { .len = ETH_ALEN }, |
378 | [NL80211_ATTR_WIPHY_FREQ_HINT] = { .type = NLA_U32 }, | |
df942e7b | 379 | [NL80211_ATTR_TDLS_PEER_CAPABILITY] = { .type = NLA_U32 }, |
18e5ca65 | 380 | [NL80211_ATTR_SOCKET_OWNER] = { .type = NLA_FLAG }, |
34d22ce2 | 381 | [NL80211_ATTR_CSA_C_OFFSETS_TX] = { .type = NLA_BINARY }, |
bab5ab7d | 382 | [NL80211_ATTR_USE_RRM] = { .type = NLA_FLAG }, |
960d01ac JB |
383 | [NL80211_ATTR_TSID] = { .type = NLA_U8 }, |
384 | [NL80211_ATTR_USER_PRIO] = { .type = NLA_U8 }, | |
385 | [NL80211_ATTR_ADMITTED_TIME] = { .type = NLA_U16 }, | |
18998c38 | 386 | [NL80211_ATTR_SMPS_MODE] = { .type = NLA_U8 }, |
ad2b26ab | 387 | [NL80211_ATTR_MAC_MASK] = { .len = ETH_ALEN }, |
1bdd716c | 388 | [NL80211_ATTR_WIPHY_SELF_MANAGED_REG] = { .type = NLA_FLAG }, |
4b681c82 | 389 | [NL80211_ATTR_NETNS_FD] = { .type = NLA_U32 }, |
9c748934 | 390 | [NL80211_ATTR_SCHED_SCAN_DELAY] = { .type = NLA_U32 }, |
05050753 | 391 | [NL80211_ATTR_REG_INDOOR] = { .type = NLA_FLAG }, |
34d50519 | 392 | [NL80211_ATTR_PBSS] = { .type = NLA_FLAG }, |
38de03d2 | 393 | [NL80211_ATTR_BSS_SELECT] = { .type = NLA_NESTED }, |
17b94247 | 394 | [NL80211_ATTR_STA_SUPPORT_P2P_PS] = { .type = NLA_U8 }, |
c6e6a0c8 AE |
395 | [NL80211_ATTR_MU_MIMO_GROUP_DATA] = { |
396 | .len = VHT_MUMIMO_GROUPS_DATA_LEN | |
397 | }, | |
398 | [NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR] = { .len = ETH_ALEN }, | |
cb3b7d87 | 399 | [NL80211_ATTR_NAN_MASTER_PREF] = { .type = NLA_U8 }, |
8585989d | 400 | [NL80211_ATTR_BANDS] = { .type = NLA_U32 }, |
a442b761 | 401 | [NL80211_ATTR_NAN_FUNC] = { .type = NLA_NESTED }, |
348bd456 JM |
402 | [NL80211_ATTR_FILS_KEK] = { .type = NLA_BINARY, |
403 | .len = FILS_MAX_KEK_LEN }, | |
404 | [NL80211_ATTR_FILS_NONCES] = { .len = 2 * FILS_NONCE_LEN }, | |
ce0ce13a | 405 | [NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED] = { .type = NLA_FLAG, }, |
2fa436b3 | 406 | [NL80211_ATTR_BSSID] = { .len = ETH_ALEN }, |
bf95ecdb | 407 | [NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] = { .type = NLA_S8 }, |
408 | [NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST] = { | |
409 | .len = sizeof(struct nl80211_bss_select_rssi_adjust) | |
410 | }, | |
3093ebbe | 411 | [NL80211_ATTR_TIMEOUT_REASON] = { .type = NLA_U32 }, |
a3caf744 VK |
412 | [NL80211_ATTR_FILS_ERP_USERNAME] = { .type = NLA_BINARY, |
413 | .len = FILS_ERP_MAX_USERNAME_LEN }, | |
414 | [NL80211_ATTR_FILS_ERP_REALM] = { .type = NLA_BINARY, | |
415 | .len = FILS_ERP_MAX_REALM_LEN }, | |
416 | [NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] = { .type = NLA_U16 }, | |
417 | [NL80211_ATTR_FILS_ERP_RRK] = { .type = NLA_BINARY, | |
418 | .len = FILS_ERP_MAX_RRK_LEN }, | |
419 | [NL80211_ATTR_FILS_CACHE_ID] = { .len = 2 }, | |
420 | [NL80211_ATTR_PMK] = { .type = NLA_BINARY, .len = PMK_MAX_LEN }, | |
ca986ad9 | 421 | [NL80211_ATTR_SCHED_SCAN_MULTI] = { .type = NLA_FLAG }, |
55682965 JB |
422 | }; |
423 | ||
e31b8213 | 424 | /* policy for the key attributes */ |
b54452b0 | 425 | static const struct nla_policy nl80211_key_policy[NL80211_KEY_MAX + 1] = { |
fffd0934 | 426 | [NL80211_KEY_DATA] = { .type = NLA_BINARY, .len = WLAN_MAX_KEY_LEN }, |
b9454e83 JB |
427 | [NL80211_KEY_IDX] = { .type = NLA_U8 }, |
428 | [NL80211_KEY_CIPHER] = { .type = NLA_U32 }, | |
81962267 | 429 | [NL80211_KEY_SEQ] = { .type = NLA_BINARY, .len = 16 }, |
b9454e83 JB |
430 | [NL80211_KEY_DEFAULT] = { .type = NLA_FLAG }, |
431 | [NL80211_KEY_DEFAULT_MGMT] = { .type = NLA_FLAG }, | |
e31b8213 | 432 | [NL80211_KEY_TYPE] = { .type = NLA_U32 }, |
dbd2fd65 JB |
433 | [NL80211_KEY_DEFAULT_TYPES] = { .type = NLA_NESTED }, |
434 | }; | |
435 | ||
436 | /* policy for the key default flags */ | |
437 | static const struct nla_policy | |
438 | nl80211_key_default_policy[NUM_NL80211_KEY_DEFAULT_TYPES] = { | |
439 | [NL80211_KEY_DEFAULT_TYPE_UNICAST] = { .type = NLA_FLAG }, | |
440 | [NL80211_KEY_DEFAULT_TYPE_MULTICAST] = { .type = NLA_FLAG }, | |
b9454e83 JB |
441 | }; |
442 | ||
f83ace3b | 443 | #ifdef CONFIG_PM |
ff1b6e69 JB |
444 | /* policy for WoWLAN attributes */ |
445 | static const struct nla_policy | |
446 | nl80211_wowlan_policy[NUM_NL80211_WOWLAN_TRIG] = { | |
447 | [NL80211_WOWLAN_TRIG_ANY] = { .type = NLA_FLAG }, | |
448 | [NL80211_WOWLAN_TRIG_DISCONNECT] = { .type = NLA_FLAG }, | |
449 | [NL80211_WOWLAN_TRIG_MAGIC_PKT] = { .type = NLA_FLAG }, | |
450 | [NL80211_WOWLAN_TRIG_PKT_PATTERN] = { .type = NLA_NESTED }, | |
77dbbb13 JB |
451 | [NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE] = { .type = NLA_FLAG }, |
452 | [NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST] = { .type = NLA_FLAG }, | |
453 | [NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE] = { .type = NLA_FLAG }, | |
454 | [NL80211_WOWLAN_TRIG_RFKILL_RELEASE] = { .type = NLA_FLAG }, | |
2a0e047e | 455 | [NL80211_WOWLAN_TRIG_TCP_CONNECTION] = { .type = NLA_NESTED }, |
8cd4d456 | 456 | [NL80211_WOWLAN_TRIG_NET_DETECT] = { .type = NLA_NESTED }, |
2a0e047e JB |
457 | }; |
458 | ||
459 | static const struct nla_policy | |
460 | nl80211_wowlan_tcp_policy[NUM_NL80211_WOWLAN_TCP] = { | |
461 | [NL80211_WOWLAN_TCP_SRC_IPV4] = { .type = NLA_U32 }, | |
462 | [NL80211_WOWLAN_TCP_DST_IPV4] = { .type = NLA_U32 }, | |
463 | [NL80211_WOWLAN_TCP_DST_MAC] = { .len = ETH_ALEN }, | |
464 | [NL80211_WOWLAN_TCP_SRC_PORT] = { .type = NLA_U16 }, | |
465 | [NL80211_WOWLAN_TCP_DST_PORT] = { .type = NLA_U16 }, | |
466 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD] = { .len = 1 }, | |
467 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ] = { | |
468 | .len = sizeof(struct nl80211_wowlan_tcp_data_seq) | |
469 | }, | |
470 | [NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN] = { | |
471 | .len = sizeof(struct nl80211_wowlan_tcp_data_token) | |
472 | }, | |
473 | [NL80211_WOWLAN_TCP_DATA_INTERVAL] = { .type = NLA_U32 }, | |
474 | [NL80211_WOWLAN_TCP_WAKE_PAYLOAD] = { .len = 1 }, | |
475 | [NL80211_WOWLAN_TCP_WAKE_MASK] = { .len = 1 }, | |
ff1b6e69 | 476 | }; |
f83ace3b | 477 | #endif /* CONFIG_PM */ |
ff1b6e69 | 478 | |
be29b99a AK |
479 | /* policy for coalesce rule attributes */ |
480 | static const struct nla_policy | |
481 | nl80211_coalesce_policy[NUM_NL80211_ATTR_COALESCE_RULE] = { | |
482 | [NL80211_ATTR_COALESCE_RULE_DELAY] = { .type = NLA_U32 }, | |
483 | [NL80211_ATTR_COALESCE_RULE_CONDITION] = { .type = NLA_U32 }, | |
484 | [NL80211_ATTR_COALESCE_RULE_PKT_PATTERN] = { .type = NLA_NESTED }, | |
485 | }; | |
486 | ||
e5497d76 JB |
487 | /* policy for GTK rekey offload attributes */ |
488 | static const struct nla_policy | |
489 | nl80211_rekey_policy[NUM_NL80211_REKEY_DATA] = { | |
490 | [NL80211_REKEY_DATA_KEK] = { .len = NL80211_KEK_LEN }, | |
491 | [NL80211_REKEY_DATA_KCK] = { .len = NL80211_KCK_LEN }, | |
492 | [NL80211_REKEY_DATA_REPLAY_CTR] = { .len = NL80211_REPLAY_CTR_LEN }, | |
493 | }; | |
494 | ||
a1f1c21c LC |
495 | static const struct nla_policy |
496 | nl80211_match_policy[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1] = { | |
4a4ab0d7 | 497 | [NL80211_SCHED_SCAN_MATCH_ATTR_SSID] = { .type = NLA_BINARY, |
a1f1c21c | 498 | .len = IEEE80211_MAX_SSID_LEN }, |
3007e352 | 499 | [NL80211_SCHED_SCAN_MATCH_ATTR_BSSID] = { .len = ETH_ALEN }, |
88e920b4 | 500 | [NL80211_SCHED_SCAN_MATCH_ATTR_RSSI] = { .type = NLA_U32 }, |
a1f1c21c LC |
501 | }; |
502 | ||
3b06d277 AS |
503 | static const struct nla_policy |
504 | nl80211_plan_policy[NL80211_SCHED_SCAN_PLAN_MAX + 1] = { | |
505 | [NL80211_SCHED_SCAN_PLAN_INTERVAL] = { .type = NLA_U32 }, | |
506 | [NL80211_SCHED_SCAN_PLAN_ITERATIONS] = { .type = NLA_U32 }, | |
507 | }; | |
508 | ||
38de03d2 AS |
509 | static const struct nla_policy |
510 | nl80211_bss_select_policy[NL80211_BSS_SELECT_ATTR_MAX + 1] = { | |
511 | [NL80211_BSS_SELECT_ATTR_RSSI] = { .type = NLA_FLAG }, | |
512 | [NL80211_BSS_SELECT_ATTR_BAND_PREF] = { .type = NLA_U32 }, | |
513 | [NL80211_BSS_SELECT_ATTR_RSSI_ADJUST] = { | |
514 | .len = sizeof(struct nl80211_bss_select_rssi_adjust) | |
515 | }, | |
516 | }; | |
517 | ||
a442b761 AB |
518 | /* policy for NAN function attributes */ |
519 | static const struct nla_policy | |
520 | nl80211_nan_func_policy[NL80211_NAN_FUNC_ATTR_MAX + 1] = { | |
521 | [NL80211_NAN_FUNC_TYPE] = { .type = NLA_U8 }, | |
522 | [NL80211_NAN_FUNC_SERVICE_ID] = { .type = NLA_BINARY, | |
523 | .len = NL80211_NAN_FUNC_SERVICE_ID_LEN }, | |
524 | [NL80211_NAN_FUNC_PUBLISH_TYPE] = { .type = NLA_U8 }, | |
525 | [NL80211_NAN_FUNC_PUBLISH_BCAST] = { .type = NLA_FLAG }, | |
526 | [NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE] = { .type = NLA_FLAG }, | |
527 | [NL80211_NAN_FUNC_FOLLOW_UP_ID] = { .type = NLA_U8 }, | |
528 | [NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID] = { .type = NLA_U8 }, | |
529 | [NL80211_NAN_FUNC_FOLLOW_UP_DEST] = { .len = ETH_ALEN }, | |
530 | [NL80211_NAN_FUNC_CLOSE_RANGE] = { .type = NLA_FLAG }, | |
531 | [NL80211_NAN_FUNC_TTL] = { .type = NLA_U32 }, | |
532 | [NL80211_NAN_FUNC_SERVICE_INFO] = { .type = NLA_BINARY, | |
533 | .len = NL80211_NAN_FUNC_SERVICE_SPEC_INFO_MAX_LEN }, | |
534 | [NL80211_NAN_FUNC_SRF] = { .type = NLA_NESTED }, | |
535 | [NL80211_NAN_FUNC_RX_MATCH_FILTER] = { .type = NLA_NESTED }, | |
536 | [NL80211_NAN_FUNC_TX_MATCH_FILTER] = { .type = NLA_NESTED }, | |
537 | [NL80211_NAN_FUNC_INSTANCE_ID] = { .type = NLA_U8 }, | |
538 | [NL80211_NAN_FUNC_TERM_REASON] = { .type = NLA_U8 }, | |
539 | }; | |
540 | ||
541 | /* policy for Service Response Filter attributes */ | |
542 | static const struct nla_policy | |
543 | nl80211_nan_srf_policy[NL80211_NAN_SRF_ATTR_MAX + 1] = { | |
544 | [NL80211_NAN_SRF_INCLUDE] = { .type = NLA_FLAG }, | |
545 | [NL80211_NAN_SRF_BF] = { .type = NLA_BINARY, | |
546 | .len = NL80211_NAN_FUNC_SRF_MAX_LEN }, | |
547 | [NL80211_NAN_SRF_BF_IDX] = { .type = NLA_U8 }, | |
548 | [NL80211_NAN_SRF_MAC_ADDRS] = { .type = NLA_NESTED }, | |
549 | }; | |
550 | ||
97990a06 JB |
551 | static int nl80211_prepare_wdev_dump(struct sk_buff *skb, |
552 | struct netlink_callback *cb, | |
553 | struct cfg80211_registered_device **rdev, | |
554 | struct wireless_dev **wdev) | |
a043897a | 555 | { |
97990a06 | 556 | int err; |
a043897a | 557 | |
97990a06 JB |
558 | if (!cb->args[0]) { |
559 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, | |
c90c39da | 560 | genl_family_attrbuf(&nl80211_fam), |
fceb6435 | 561 | nl80211_fam.maxattr, nl80211_policy, NULL); |
97990a06 | 562 | if (err) |
ea90e0dc | 563 | return err; |
67748893 | 564 | |
c90c39da JB |
565 | *wdev = __cfg80211_wdev_from_attrs( |
566 | sock_net(skb->sk), | |
567 | genl_family_attrbuf(&nl80211_fam)); | |
ea90e0dc JB |
568 | if (IS_ERR(*wdev)) |
569 | return PTR_ERR(*wdev); | |
f26cbf40 | 570 | *rdev = wiphy_to_rdev((*wdev)->wiphy); |
c319d50b JB |
571 | /* 0 is the first index - add 1 to parse only once */ |
572 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
97990a06 JB |
573 | cb->args[1] = (*wdev)->identifier; |
574 | } else { | |
c319d50b JB |
575 | /* subtract the 1 again here */ |
576 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
97990a06 | 577 | struct wireless_dev *tmp; |
67748893 | 578 | |
ea90e0dc JB |
579 | if (!wiphy) |
580 | return -ENODEV; | |
f26cbf40 | 581 | *rdev = wiphy_to_rdev(wiphy); |
97990a06 | 582 | *wdev = NULL; |
67748893 | 583 | |
53873f13 | 584 | list_for_each_entry(tmp, &(*rdev)->wiphy.wdev_list, list) { |
97990a06 JB |
585 | if (tmp->identifier == cb->args[1]) { |
586 | *wdev = tmp; | |
587 | break; | |
588 | } | |
589 | } | |
67748893 | 590 | |
ea90e0dc JB |
591 | if (!*wdev) |
592 | return -ENODEV; | |
67748893 JB |
593 | } |
594 | ||
67748893 | 595 | return 0; |
67748893 JB |
596 | } |
597 | ||
f4a11bb0 JB |
598 | /* IE validation */ |
599 | static bool is_valid_ie_attr(const struct nlattr *attr) | |
600 | { | |
601 | const u8 *pos; | |
602 | int len; | |
603 | ||
604 | if (!attr) | |
605 | return true; | |
606 | ||
607 | pos = nla_data(attr); | |
608 | len = nla_len(attr); | |
609 | ||
610 | while (len) { | |
611 | u8 elemlen; | |
612 | ||
613 | if (len < 2) | |
614 | return false; | |
615 | len -= 2; | |
616 | ||
617 | elemlen = pos[1]; | |
618 | if (elemlen > len) | |
619 | return false; | |
620 | ||
621 | len -= elemlen; | |
622 | pos += 2 + elemlen; | |
623 | } | |
624 | ||
625 | return true; | |
626 | } | |
627 | ||
55682965 | 628 | /* message building helper */ |
15e47304 | 629 | static inline void *nl80211hdr_put(struct sk_buff *skb, u32 portid, u32 seq, |
55682965 JB |
630 | int flags, u8 cmd) |
631 | { | |
632 | /* since there is no private header just add the generic one */ | |
15e47304 | 633 | return genlmsg_put(skb, portid, seq, &nl80211_fam, flags, cmd); |
55682965 JB |
634 | } |
635 | ||
5dab3b8a | 636 | static int nl80211_msg_put_channel(struct sk_buff *msg, |
cdc89b97 JB |
637 | struct ieee80211_channel *chan, |
638 | bool large) | |
5dab3b8a | 639 | { |
ea077c1c RL |
640 | /* Some channels must be completely excluded from the |
641 | * list to protect old user-space tools from breaking | |
642 | */ | |
643 | if (!large && chan->flags & | |
644 | (IEEE80211_CHAN_NO_10MHZ | IEEE80211_CHAN_NO_20MHZ)) | |
645 | return 0; | |
646 | ||
9360ffd1 DM |
647 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_FREQ, |
648 | chan->center_freq)) | |
649 | goto nla_put_failure; | |
5dab3b8a | 650 | |
9360ffd1 DM |
651 | if ((chan->flags & IEEE80211_CHAN_DISABLED) && |
652 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_DISABLED)) | |
653 | goto nla_put_failure; | |
8fe02e16 LR |
654 | if (chan->flags & IEEE80211_CHAN_NO_IR) { |
655 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_IR)) | |
656 | goto nla_put_failure; | |
657 | if (nla_put_flag(msg, __NL80211_FREQUENCY_ATTR_NO_IBSS)) | |
658 | goto nla_put_failure; | |
659 | } | |
cdc89b97 JB |
660 | if (chan->flags & IEEE80211_CHAN_RADAR) { |
661 | if (nla_put_flag(msg, NL80211_FREQUENCY_ATTR_RADAR)) | |
662 | goto nla_put_failure; | |
663 | if (large) { | |
664 | u32 time; | |
665 | ||
666 | time = elapsed_jiffies_msecs(chan->dfs_state_entered); | |
667 | ||
668 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_STATE, | |
669 | chan->dfs_state)) | |
670 | goto nla_put_failure; | |
671 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_DFS_TIME, | |
672 | time)) | |
673 | goto nla_put_failure; | |
089027e5 JD |
674 | if (nla_put_u32(msg, |
675 | NL80211_FREQUENCY_ATTR_DFS_CAC_TIME, | |
676 | chan->dfs_cac_ms)) | |
677 | goto nla_put_failure; | |
cdc89b97 JB |
678 | } |
679 | } | |
5dab3b8a | 680 | |
fe1abafd JB |
681 | if (large) { |
682 | if ((chan->flags & IEEE80211_CHAN_NO_HT40MINUS) && | |
683 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_MINUS)) | |
684 | goto nla_put_failure; | |
685 | if ((chan->flags & IEEE80211_CHAN_NO_HT40PLUS) && | |
686 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_HT40_PLUS)) | |
687 | goto nla_put_failure; | |
688 | if ((chan->flags & IEEE80211_CHAN_NO_80MHZ) && | |
689 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_80MHZ)) | |
690 | goto nla_put_failure; | |
691 | if ((chan->flags & IEEE80211_CHAN_NO_160MHZ) && | |
692 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_160MHZ)) | |
693 | goto nla_put_failure; | |
570dbde1 DS |
694 | if ((chan->flags & IEEE80211_CHAN_INDOOR_ONLY) && |
695 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_INDOOR_ONLY)) | |
696 | goto nla_put_failure; | |
06f207fc AN |
697 | if ((chan->flags & IEEE80211_CHAN_IR_CONCURRENT) && |
698 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_IR_CONCURRENT)) | |
570dbde1 | 699 | goto nla_put_failure; |
ea077c1c RL |
700 | if ((chan->flags & IEEE80211_CHAN_NO_20MHZ) && |
701 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_20MHZ)) | |
702 | goto nla_put_failure; | |
703 | if ((chan->flags & IEEE80211_CHAN_NO_10MHZ) && | |
704 | nla_put_flag(msg, NL80211_FREQUENCY_ATTR_NO_10MHZ)) | |
705 | goto nla_put_failure; | |
fe1abafd JB |
706 | } |
707 | ||
9360ffd1 DM |
708 | if (nla_put_u32(msg, NL80211_FREQUENCY_ATTR_MAX_TX_POWER, |
709 | DBM_TO_MBM(chan->max_power))) | |
710 | goto nla_put_failure; | |
5dab3b8a LR |
711 | |
712 | return 0; | |
713 | ||
714 | nla_put_failure: | |
715 | return -ENOBUFS; | |
716 | } | |
717 | ||
55682965 JB |
718 | /* netlink command implementations */ |
719 | ||
b9454e83 JB |
720 | struct key_parse { |
721 | struct key_params p; | |
722 | int idx; | |
e31b8213 | 723 | int type; |
b9454e83 | 724 | bool def, defmgmt; |
dbd2fd65 | 725 | bool def_uni, def_multi; |
b9454e83 JB |
726 | }; |
727 | ||
728 | static int nl80211_parse_key_new(struct nlattr *key, struct key_parse *k) | |
729 | { | |
730 | struct nlattr *tb[NL80211_KEY_MAX + 1]; | |
731 | int err = nla_parse_nested(tb, NL80211_KEY_MAX, key, | |
fceb6435 | 732 | nl80211_key_policy, NULL); |
b9454e83 JB |
733 | if (err) |
734 | return err; | |
735 | ||
736 | k->def = !!tb[NL80211_KEY_DEFAULT]; | |
737 | k->defmgmt = !!tb[NL80211_KEY_DEFAULT_MGMT]; | |
738 | ||
dbd2fd65 JB |
739 | if (k->def) { |
740 | k->def_uni = true; | |
741 | k->def_multi = true; | |
742 | } | |
743 | if (k->defmgmt) | |
744 | k->def_multi = true; | |
745 | ||
b9454e83 JB |
746 | if (tb[NL80211_KEY_IDX]) |
747 | k->idx = nla_get_u8(tb[NL80211_KEY_IDX]); | |
748 | ||
749 | if (tb[NL80211_KEY_DATA]) { | |
750 | k->p.key = nla_data(tb[NL80211_KEY_DATA]); | |
751 | k->p.key_len = nla_len(tb[NL80211_KEY_DATA]); | |
752 | } | |
753 | ||
754 | if (tb[NL80211_KEY_SEQ]) { | |
755 | k->p.seq = nla_data(tb[NL80211_KEY_SEQ]); | |
756 | k->p.seq_len = nla_len(tb[NL80211_KEY_SEQ]); | |
757 | } | |
758 | ||
759 | if (tb[NL80211_KEY_CIPHER]) | |
760 | k->p.cipher = nla_get_u32(tb[NL80211_KEY_CIPHER]); | |
761 | ||
e31b8213 JB |
762 | if (tb[NL80211_KEY_TYPE]) { |
763 | k->type = nla_get_u32(tb[NL80211_KEY_TYPE]); | |
764 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
765 | return -EINVAL; | |
766 | } | |
767 | ||
dbd2fd65 JB |
768 | if (tb[NL80211_KEY_DEFAULT_TYPES]) { |
769 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
7a087e74 | 770 | |
2da8f419 JB |
771 | err = nla_parse_nested(kdt, NUM_NL80211_KEY_DEFAULT_TYPES - 1, |
772 | tb[NL80211_KEY_DEFAULT_TYPES], | |
fceb6435 | 773 | nl80211_key_default_policy, NULL); |
dbd2fd65 JB |
774 | if (err) |
775 | return err; | |
776 | ||
777 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
778 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
779 | } | |
780 | ||
b9454e83 JB |
781 | return 0; |
782 | } | |
783 | ||
784 | static int nl80211_parse_key_old(struct genl_info *info, struct key_parse *k) | |
785 | { | |
786 | if (info->attrs[NL80211_ATTR_KEY_DATA]) { | |
787 | k->p.key = nla_data(info->attrs[NL80211_ATTR_KEY_DATA]); | |
788 | k->p.key_len = nla_len(info->attrs[NL80211_ATTR_KEY_DATA]); | |
789 | } | |
790 | ||
791 | if (info->attrs[NL80211_ATTR_KEY_SEQ]) { | |
792 | k->p.seq = nla_data(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
793 | k->p.seq_len = nla_len(info->attrs[NL80211_ATTR_KEY_SEQ]); | |
794 | } | |
795 | ||
796 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
797 | k->idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
798 | ||
799 | if (info->attrs[NL80211_ATTR_KEY_CIPHER]) | |
800 | k->p.cipher = nla_get_u32(info->attrs[NL80211_ATTR_KEY_CIPHER]); | |
801 | ||
802 | k->def = !!info->attrs[NL80211_ATTR_KEY_DEFAULT]; | |
803 | k->defmgmt = !!info->attrs[NL80211_ATTR_KEY_DEFAULT_MGMT]; | |
804 | ||
dbd2fd65 JB |
805 | if (k->def) { |
806 | k->def_uni = true; | |
807 | k->def_multi = true; | |
808 | } | |
809 | if (k->defmgmt) | |
810 | k->def_multi = true; | |
811 | ||
e31b8213 JB |
812 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { |
813 | k->type = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
814 | if (k->type < 0 || k->type >= NUM_NL80211_KEYTYPES) | |
815 | return -EINVAL; | |
816 | } | |
817 | ||
dbd2fd65 JB |
818 | if (info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES]) { |
819 | struct nlattr *kdt[NUM_NL80211_KEY_DEFAULT_TYPES]; | |
fceb6435 JB |
820 | int err = nla_parse_nested(kdt, |
821 | NUM_NL80211_KEY_DEFAULT_TYPES - 1, | |
822 | info->attrs[NL80211_ATTR_KEY_DEFAULT_TYPES], | |
fe52145f JB |
823 | nl80211_key_default_policy, |
824 | info->extack); | |
dbd2fd65 JB |
825 | if (err) |
826 | return err; | |
827 | ||
828 | k->def_uni = kdt[NL80211_KEY_DEFAULT_TYPE_UNICAST]; | |
829 | k->def_multi = kdt[NL80211_KEY_DEFAULT_TYPE_MULTICAST]; | |
830 | } | |
831 | ||
b9454e83 JB |
832 | return 0; |
833 | } | |
834 | ||
835 | static int nl80211_parse_key(struct genl_info *info, struct key_parse *k) | |
836 | { | |
837 | int err; | |
838 | ||
839 | memset(k, 0, sizeof(*k)); | |
840 | k->idx = -1; | |
e31b8213 | 841 | k->type = -1; |
b9454e83 JB |
842 | |
843 | if (info->attrs[NL80211_ATTR_KEY]) | |
844 | err = nl80211_parse_key_new(info->attrs[NL80211_ATTR_KEY], k); | |
845 | else | |
846 | err = nl80211_parse_key_old(info, k); | |
847 | ||
848 | if (err) | |
849 | return err; | |
850 | ||
851 | if (k->def && k->defmgmt) | |
852 | return -EINVAL; | |
853 | ||
dbd2fd65 JB |
854 | if (k->defmgmt) { |
855 | if (k->def_uni || !k->def_multi) | |
856 | return -EINVAL; | |
857 | } | |
858 | ||
b9454e83 JB |
859 | if (k->idx != -1) { |
860 | if (k->defmgmt) { | |
861 | if (k->idx < 4 || k->idx > 5) | |
862 | return -EINVAL; | |
863 | } else if (k->def) { | |
864 | if (k->idx < 0 || k->idx > 3) | |
865 | return -EINVAL; | |
866 | } else { | |
867 | if (k->idx < 0 || k->idx > 5) | |
868 | return -EINVAL; | |
869 | } | |
870 | } | |
871 | ||
872 | return 0; | |
873 | } | |
874 | ||
fffd0934 JB |
875 | static struct cfg80211_cached_keys * |
876 | nl80211_parse_connkeys(struct cfg80211_registered_device *rdev, | |
de7044ee | 877 | struct nlattr *keys, bool *no_ht) |
fffd0934 JB |
878 | { |
879 | struct key_parse parse; | |
880 | struct nlattr *key; | |
881 | struct cfg80211_cached_keys *result; | |
882 | int rem, err, def = 0; | |
f1c1f17a JB |
883 | bool have_key = false; |
884 | ||
885 | nla_for_each_nested(key, keys, rem) { | |
886 | have_key = true; | |
887 | break; | |
888 | } | |
889 | ||
890 | if (!have_key) | |
891 | return NULL; | |
fffd0934 JB |
892 | |
893 | result = kzalloc(sizeof(*result), GFP_KERNEL); | |
894 | if (!result) | |
895 | return ERR_PTR(-ENOMEM); | |
896 | ||
897 | result->def = -1; | |
fffd0934 JB |
898 | |
899 | nla_for_each_nested(key, keys, rem) { | |
900 | memset(&parse, 0, sizeof(parse)); | |
901 | parse.idx = -1; | |
902 | ||
903 | err = nl80211_parse_key_new(key, &parse); | |
904 | if (err) | |
905 | goto error; | |
906 | err = -EINVAL; | |
907 | if (!parse.p.key) | |
908 | goto error; | |
42ee231c | 909 | if (parse.idx < 0 || parse.idx > 3) |
fffd0934 JB |
910 | goto error; |
911 | if (parse.def) { | |
912 | if (def) | |
913 | goto error; | |
914 | def = 1; | |
915 | result->def = parse.idx; | |
dbd2fd65 JB |
916 | if (!parse.def_uni || !parse.def_multi) |
917 | goto error; | |
fffd0934 JB |
918 | } else if (parse.defmgmt) |
919 | goto error; | |
920 | err = cfg80211_validate_key_settings(rdev, &parse.p, | |
e31b8213 | 921 | parse.idx, false, NULL); |
fffd0934 JB |
922 | if (err) |
923 | goto error; | |
386b1f27 JB |
924 | if (parse.p.cipher != WLAN_CIPHER_SUITE_WEP40 && |
925 | parse.p.cipher != WLAN_CIPHER_SUITE_WEP104) { | |
926 | err = -EINVAL; | |
927 | goto error; | |
928 | } | |
fffd0934 JB |
929 | result->params[parse.idx].cipher = parse.p.cipher; |
930 | result->params[parse.idx].key_len = parse.p.key_len; | |
931 | result->params[parse.idx].key = result->data[parse.idx]; | |
932 | memcpy(result->data[parse.idx], parse.p.key, parse.p.key_len); | |
de7044ee | 933 | |
386b1f27 JB |
934 | /* must be WEP key if we got here */ |
935 | if (no_ht) | |
936 | *no_ht = true; | |
fffd0934 JB |
937 | } |
938 | ||
f1c1f17a JB |
939 | if (result->def < 0) { |
940 | err = -EINVAL; | |
941 | goto error; | |
942 | } | |
943 | ||
fffd0934 JB |
944 | return result; |
945 | error: | |
946 | kfree(result); | |
947 | return ERR_PTR(err); | |
948 | } | |
949 | ||
950 | static int nl80211_key_allowed(struct wireless_dev *wdev) | |
951 | { | |
952 | ASSERT_WDEV_LOCK(wdev); | |
953 | ||
fffd0934 JB |
954 | switch (wdev->iftype) { |
955 | case NL80211_IFTYPE_AP: | |
956 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 957 | case NL80211_IFTYPE_P2P_GO: |
ff973af7 | 958 | case NL80211_IFTYPE_MESH_POINT: |
fffd0934 JB |
959 | break; |
960 | case NL80211_IFTYPE_ADHOC: | |
fffd0934 | 961 | case NL80211_IFTYPE_STATION: |
074ac8df | 962 | case NL80211_IFTYPE_P2P_CLIENT: |
ceca7b71 | 963 | if (!wdev->current_bss) |
fffd0934 JB |
964 | return -ENOLINK; |
965 | break; | |
de4fcbad | 966 | case NL80211_IFTYPE_UNSPECIFIED: |
6e0bd6c3 | 967 | case NL80211_IFTYPE_OCB: |
de4fcbad | 968 | case NL80211_IFTYPE_MONITOR: |
cb3b7d87 | 969 | case NL80211_IFTYPE_NAN: |
de4fcbad JB |
970 | case NL80211_IFTYPE_P2P_DEVICE: |
971 | case NL80211_IFTYPE_WDS: | |
972 | case NUM_NL80211_IFTYPES: | |
fffd0934 JB |
973 | return -EINVAL; |
974 | } | |
975 | ||
976 | return 0; | |
977 | } | |
978 | ||
664834de JM |
979 | static struct ieee80211_channel *nl80211_get_valid_chan(struct wiphy *wiphy, |
980 | struct nlattr *tb) | |
981 | { | |
982 | struct ieee80211_channel *chan; | |
983 | ||
984 | if (tb == NULL) | |
985 | return NULL; | |
986 | chan = ieee80211_get_channel(wiphy, nla_get_u32(tb)); | |
987 | if (!chan || chan->flags & IEEE80211_CHAN_DISABLED) | |
988 | return NULL; | |
989 | return chan; | |
990 | } | |
991 | ||
7527a782 JB |
992 | static int nl80211_put_iftypes(struct sk_buff *msg, u32 attr, u16 ifmodes) |
993 | { | |
994 | struct nlattr *nl_modes = nla_nest_start(msg, attr); | |
995 | int i; | |
996 | ||
997 | if (!nl_modes) | |
998 | goto nla_put_failure; | |
999 | ||
1000 | i = 0; | |
1001 | while (ifmodes) { | |
9360ffd1 DM |
1002 | if ((ifmodes & 1) && nla_put_flag(msg, i)) |
1003 | goto nla_put_failure; | |
7527a782 JB |
1004 | ifmodes >>= 1; |
1005 | i++; | |
1006 | } | |
1007 | ||
1008 | nla_nest_end(msg, nl_modes); | |
1009 | return 0; | |
1010 | ||
1011 | nla_put_failure: | |
1012 | return -ENOBUFS; | |
1013 | } | |
1014 | ||
1015 | static int nl80211_put_iface_combinations(struct wiphy *wiphy, | |
cdc89b97 JB |
1016 | struct sk_buff *msg, |
1017 | bool large) | |
7527a782 JB |
1018 | { |
1019 | struct nlattr *nl_combis; | |
1020 | int i, j; | |
1021 | ||
1022 | nl_combis = nla_nest_start(msg, | |
1023 | NL80211_ATTR_INTERFACE_COMBINATIONS); | |
1024 | if (!nl_combis) | |
1025 | goto nla_put_failure; | |
1026 | ||
1027 | for (i = 0; i < wiphy->n_iface_combinations; i++) { | |
1028 | const struct ieee80211_iface_combination *c; | |
1029 | struct nlattr *nl_combi, *nl_limits; | |
1030 | ||
1031 | c = &wiphy->iface_combinations[i]; | |
1032 | ||
1033 | nl_combi = nla_nest_start(msg, i + 1); | |
1034 | if (!nl_combi) | |
1035 | goto nla_put_failure; | |
1036 | ||
1037 | nl_limits = nla_nest_start(msg, NL80211_IFACE_COMB_LIMITS); | |
1038 | if (!nl_limits) | |
1039 | goto nla_put_failure; | |
1040 | ||
1041 | for (j = 0; j < c->n_limits; j++) { | |
1042 | struct nlattr *nl_limit; | |
1043 | ||
1044 | nl_limit = nla_nest_start(msg, j + 1); | |
1045 | if (!nl_limit) | |
1046 | goto nla_put_failure; | |
9360ffd1 DM |
1047 | if (nla_put_u32(msg, NL80211_IFACE_LIMIT_MAX, |
1048 | c->limits[j].max)) | |
1049 | goto nla_put_failure; | |
7527a782 JB |
1050 | if (nl80211_put_iftypes(msg, NL80211_IFACE_LIMIT_TYPES, |
1051 | c->limits[j].types)) | |
1052 | goto nla_put_failure; | |
1053 | nla_nest_end(msg, nl_limit); | |
1054 | } | |
1055 | ||
1056 | nla_nest_end(msg, nl_limits); | |
1057 | ||
9360ffd1 DM |
1058 | if (c->beacon_int_infra_match && |
1059 | nla_put_flag(msg, NL80211_IFACE_COMB_STA_AP_BI_MATCH)) | |
1060 | goto nla_put_failure; | |
1061 | if (nla_put_u32(msg, NL80211_IFACE_COMB_NUM_CHANNELS, | |
1062 | c->num_different_channels) || | |
1063 | nla_put_u32(msg, NL80211_IFACE_COMB_MAXNUM, | |
1064 | c->max_interfaces)) | |
1065 | goto nla_put_failure; | |
cdc89b97 | 1066 | if (large && |
8c48b50a FF |
1067 | (nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_WIDTHS, |
1068 | c->radar_detect_widths) || | |
1069 | nla_put_u32(msg, NL80211_IFACE_COMB_RADAR_DETECT_REGIONS, | |
1070 | c->radar_detect_regions))) | |
cdc89b97 | 1071 | goto nla_put_failure; |
0c317a02 PK |
1072 | if (c->beacon_int_min_gcd && |
1073 | nla_put_u32(msg, NL80211_IFACE_COMB_BI_MIN_GCD, | |
1074 | c->beacon_int_min_gcd)) | |
1075 | goto nla_put_failure; | |
7527a782 JB |
1076 | |
1077 | nla_nest_end(msg, nl_combi); | |
1078 | } | |
1079 | ||
1080 | nla_nest_end(msg, nl_combis); | |
1081 | ||
1082 | return 0; | |
1083 | nla_put_failure: | |
1084 | return -ENOBUFS; | |
1085 | } | |
1086 | ||
3713b4e3 | 1087 | #ifdef CONFIG_PM |
b56cf720 JB |
1088 | static int nl80211_send_wowlan_tcp_caps(struct cfg80211_registered_device *rdev, |
1089 | struct sk_buff *msg) | |
1090 | { | |
964dc9e2 | 1091 | const struct wiphy_wowlan_tcp_support *tcp = rdev->wiphy.wowlan->tcp; |
b56cf720 JB |
1092 | struct nlattr *nl_tcp; |
1093 | ||
1094 | if (!tcp) | |
1095 | return 0; | |
1096 | ||
1097 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
1098 | if (!nl_tcp) | |
1099 | return -ENOBUFS; | |
1100 | ||
1101 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1102 | tcp->data_payload_max)) | |
1103 | return -ENOBUFS; | |
1104 | ||
1105 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
1106 | tcp->data_payload_max)) | |
1107 | return -ENOBUFS; | |
1108 | ||
1109 | if (tcp->seq && nla_put_flag(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ)) | |
1110 | return -ENOBUFS; | |
1111 | ||
1112 | if (tcp->tok && nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
1113 | sizeof(*tcp->tok), tcp->tok)) | |
1114 | return -ENOBUFS; | |
1115 | ||
1116 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
1117 | tcp->data_interval_max)) | |
1118 | return -ENOBUFS; | |
1119 | ||
1120 | if (nla_put_u32(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
1121 | tcp->wake_payload_max)) | |
1122 | return -ENOBUFS; | |
1123 | ||
1124 | nla_nest_end(msg, nl_tcp); | |
1125 | return 0; | |
1126 | } | |
1127 | ||
3713b4e3 | 1128 | static int nl80211_send_wowlan(struct sk_buff *msg, |
1b8ec87a | 1129 | struct cfg80211_registered_device *rdev, |
b56cf720 | 1130 | bool large) |
55682965 | 1131 | { |
3713b4e3 | 1132 | struct nlattr *nl_wowlan; |
55682965 | 1133 | |
1b8ec87a | 1134 | if (!rdev->wiphy.wowlan) |
3713b4e3 | 1135 | return 0; |
55682965 | 1136 | |
3713b4e3 JB |
1137 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS_SUPPORTED); |
1138 | if (!nl_wowlan) | |
1139 | return -ENOBUFS; | |
9360ffd1 | 1140 | |
1b8ec87a | 1141 | if (((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_ANY) && |
3713b4e3 | 1142 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
1b8ec87a | 1143 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_DISCONNECT) && |
3713b4e3 | 1144 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
1b8ec87a | 1145 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT) && |
3713b4e3 | 1146 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
1b8ec87a | 1147 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_SUPPORTS_GTK_REKEY) && |
3713b4e3 | 1148 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED)) || |
1b8ec87a | 1149 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE) && |
3713b4e3 | 1150 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
1b8ec87a | 1151 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ) && |
3713b4e3 | 1152 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
1b8ec87a | 1153 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE) && |
3713b4e3 | 1154 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
1b8ec87a | 1155 | ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE) && |
3713b4e3 JB |
1156 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
1157 | return -ENOBUFS; | |
9360ffd1 | 1158 | |
1b8ec87a | 1159 | if (rdev->wiphy.wowlan->n_patterns) { |
50ac6607 | 1160 | struct nl80211_pattern_support pat = { |
1b8ec87a ZG |
1161 | .max_patterns = rdev->wiphy.wowlan->n_patterns, |
1162 | .min_pattern_len = rdev->wiphy.wowlan->pattern_min_len, | |
1163 | .max_pattern_len = rdev->wiphy.wowlan->pattern_max_len, | |
1164 | .max_pkt_offset = rdev->wiphy.wowlan->max_pkt_offset, | |
3713b4e3 | 1165 | }; |
9360ffd1 | 1166 | |
3713b4e3 JB |
1167 | if (nla_put(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, |
1168 | sizeof(pat), &pat)) | |
1169 | return -ENOBUFS; | |
1170 | } | |
9360ffd1 | 1171 | |
75453ccb LC |
1172 | if ((rdev->wiphy.wowlan->flags & WIPHY_WOWLAN_NET_DETECT) && |
1173 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_NET_DETECT, | |
1174 | rdev->wiphy.wowlan->max_nd_match_sets)) | |
1175 | return -ENOBUFS; | |
1176 | ||
1b8ec87a | 1177 | if (large && nl80211_send_wowlan_tcp_caps(rdev, msg)) |
b56cf720 JB |
1178 | return -ENOBUFS; |
1179 | ||
3713b4e3 | 1180 | nla_nest_end(msg, nl_wowlan); |
9360ffd1 | 1181 | |
3713b4e3 JB |
1182 | return 0; |
1183 | } | |
1184 | #endif | |
9360ffd1 | 1185 | |
be29b99a | 1186 | static int nl80211_send_coalesce(struct sk_buff *msg, |
1b8ec87a | 1187 | struct cfg80211_registered_device *rdev) |
be29b99a AK |
1188 | { |
1189 | struct nl80211_coalesce_rule_support rule; | |
1190 | ||
1b8ec87a | 1191 | if (!rdev->wiphy.coalesce) |
be29b99a AK |
1192 | return 0; |
1193 | ||
1b8ec87a ZG |
1194 | rule.max_rules = rdev->wiphy.coalesce->n_rules; |
1195 | rule.max_delay = rdev->wiphy.coalesce->max_delay; | |
1196 | rule.pat.max_patterns = rdev->wiphy.coalesce->n_patterns; | |
1197 | rule.pat.min_pattern_len = rdev->wiphy.coalesce->pattern_min_len; | |
1198 | rule.pat.max_pattern_len = rdev->wiphy.coalesce->pattern_max_len; | |
1199 | rule.pat.max_pkt_offset = rdev->wiphy.coalesce->max_pkt_offset; | |
be29b99a AK |
1200 | |
1201 | if (nla_put(msg, NL80211_ATTR_COALESCE_RULE, sizeof(rule), &rule)) | |
1202 | return -ENOBUFS; | |
1203 | ||
1204 | return 0; | |
1205 | } | |
1206 | ||
3713b4e3 JB |
1207 | static int nl80211_send_band_rateinfo(struct sk_buff *msg, |
1208 | struct ieee80211_supported_band *sband) | |
1209 | { | |
1210 | struct nlattr *nl_rates, *nl_rate; | |
1211 | struct ieee80211_rate *rate; | |
1212 | int i; | |
87bbbe22 | 1213 | |
3713b4e3 JB |
1214 | /* add HT info */ |
1215 | if (sband->ht_cap.ht_supported && | |
1216 | (nla_put(msg, NL80211_BAND_ATTR_HT_MCS_SET, | |
1217 | sizeof(sband->ht_cap.mcs), | |
1218 | &sband->ht_cap.mcs) || | |
1219 | nla_put_u16(msg, NL80211_BAND_ATTR_HT_CAPA, | |
1220 | sband->ht_cap.cap) || | |
1221 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_FACTOR, | |
1222 | sband->ht_cap.ampdu_factor) || | |
1223 | nla_put_u8(msg, NL80211_BAND_ATTR_HT_AMPDU_DENSITY, | |
1224 | sband->ht_cap.ampdu_density))) | |
1225 | return -ENOBUFS; | |
afe0cbf8 | 1226 | |
3713b4e3 JB |
1227 | /* add VHT info */ |
1228 | if (sband->vht_cap.vht_supported && | |
1229 | (nla_put(msg, NL80211_BAND_ATTR_VHT_MCS_SET, | |
1230 | sizeof(sband->vht_cap.vht_mcs), | |
1231 | &sband->vht_cap.vht_mcs) || | |
1232 | nla_put_u32(msg, NL80211_BAND_ATTR_VHT_CAPA, | |
1233 | sband->vht_cap.cap))) | |
1234 | return -ENOBUFS; | |
f59ac048 | 1235 | |
3713b4e3 JB |
1236 | /* add bitrates */ |
1237 | nl_rates = nla_nest_start(msg, NL80211_BAND_ATTR_RATES); | |
1238 | if (!nl_rates) | |
1239 | return -ENOBUFS; | |
ee688b00 | 1240 | |
3713b4e3 JB |
1241 | for (i = 0; i < sband->n_bitrates; i++) { |
1242 | nl_rate = nla_nest_start(msg, i); | |
1243 | if (!nl_rate) | |
1244 | return -ENOBUFS; | |
ee688b00 | 1245 | |
3713b4e3 JB |
1246 | rate = &sband->bitrates[i]; |
1247 | if (nla_put_u32(msg, NL80211_BITRATE_ATTR_RATE, | |
1248 | rate->bitrate)) | |
1249 | return -ENOBUFS; | |
1250 | if ((rate->flags & IEEE80211_RATE_SHORT_PREAMBLE) && | |
1251 | nla_put_flag(msg, | |
1252 | NL80211_BITRATE_ATTR_2GHZ_SHORTPREAMBLE)) | |
1253 | return -ENOBUFS; | |
ee688b00 | 1254 | |
3713b4e3 JB |
1255 | nla_nest_end(msg, nl_rate); |
1256 | } | |
d51626df | 1257 | |
3713b4e3 | 1258 | nla_nest_end(msg, nl_rates); |
bf0c111e | 1259 | |
3713b4e3 JB |
1260 | return 0; |
1261 | } | |
ee688b00 | 1262 | |
3713b4e3 JB |
1263 | static int |
1264 | nl80211_send_mgmt_stypes(struct sk_buff *msg, | |
1265 | const struct ieee80211_txrx_stypes *mgmt_stypes) | |
1266 | { | |
1267 | u16 stypes; | |
1268 | struct nlattr *nl_ftypes, *nl_ifs; | |
1269 | enum nl80211_iftype ift; | |
1270 | int i; | |
ee688b00 | 1271 | |
3713b4e3 JB |
1272 | if (!mgmt_stypes) |
1273 | return 0; | |
5dab3b8a | 1274 | |
3713b4e3 JB |
1275 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_TX_FRAME_TYPES); |
1276 | if (!nl_ifs) | |
1277 | return -ENOBUFS; | |
e2f367f2 | 1278 | |
3713b4e3 JB |
1279 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1280 | nl_ftypes = nla_nest_start(msg, ift); | |
1281 | if (!nl_ftypes) | |
1282 | return -ENOBUFS; | |
1283 | i = 0; | |
1284 | stypes = mgmt_stypes[ift].tx; | |
1285 | while (stypes) { | |
1286 | if ((stypes & 1) && | |
1287 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1288 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1289 | return -ENOBUFS; | |
1290 | stypes >>= 1; | |
1291 | i++; | |
ee688b00 | 1292 | } |
3713b4e3 JB |
1293 | nla_nest_end(msg, nl_ftypes); |
1294 | } | |
ee688b00 | 1295 | |
3713b4e3 | 1296 | nla_nest_end(msg, nl_ifs); |
ee688b00 | 1297 | |
3713b4e3 JB |
1298 | nl_ifs = nla_nest_start(msg, NL80211_ATTR_RX_FRAME_TYPES); |
1299 | if (!nl_ifs) | |
1300 | return -ENOBUFS; | |
ee688b00 | 1301 | |
3713b4e3 JB |
1302 | for (ift = 0; ift < NUM_NL80211_IFTYPES; ift++) { |
1303 | nl_ftypes = nla_nest_start(msg, ift); | |
1304 | if (!nl_ftypes) | |
1305 | return -ENOBUFS; | |
1306 | i = 0; | |
1307 | stypes = mgmt_stypes[ift].rx; | |
1308 | while (stypes) { | |
1309 | if ((stypes & 1) && | |
1310 | nla_put_u16(msg, NL80211_ATTR_FRAME_TYPE, | |
1311 | (i << 4) | IEEE80211_FTYPE_MGMT)) | |
1312 | return -ENOBUFS; | |
1313 | stypes >>= 1; | |
1314 | i++; | |
1315 | } | |
1316 | nla_nest_end(msg, nl_ftypes); | |
1317 | } | |
1318 | nla_nest_end(msg, nl_ifs); | |
ee688b00 | 1319 | |
3713b4e3 JB |
1320 | return 0; |
1321 | } | |
ee688b00 | 1322 | |
1794899e JB |
1323 | #define CMD(op, n) \ |
1324 | do { \ | |
1325 | if (rdev->ops->op) { \ | |
1326 | i++; \ | |
1327 | if (nla_put_u32(msg, i, NL80211_CMD_ ## n)) \ | |
1328 | goto nla_put_failure; \ | |
1329 | } \ | |
1330 | } while (0) | |
1331 | ||
1332 | static int nl80211_add_commands_unsplit(struct cfg80211_registered_device *rdev, | |
1333 | struct sk_buff *msg) | |
1334 | { | |
1335 | int i = 0; | |
1336 | ||
1337 | /* | |
1338 | * do *NOT* add anything into this function, new things need to be | |
1339 | * advertised only to new versions of userspace that can deal with | |
1340 | * the split (and they can't possibly care about new features... | |
1341 | */ | |
1342 | CMD(add_virtual_intf, NEW_INTERFACE); | |
1343 | CMD(change_virtual_intf, SET_INTERFACE); | |
1344 | CMD(add_key, NEW_KEY); | |
1345 | CMD(start_ap, START_AP); | |
1346 | CMD(add_station, NEW_STATION); | |
1347 | CMD(add_mpath, NEW_MPATH); | |
1348 | CMD(update_mesh_config, SET_MESH_CONFIG); | |
1349 | CMD(change_bss, SET_BSS); | |
1350 | CMD(auth, AUTHENTICATE); | |
1351 | CMD(assoc, ASSOCIATE); | |
1352 | CMD(deauth, DEAUTHENTICATE); | |
1353 | CMD(disassoc, DISASSOCIATE); | |
1354 | CMD(join_ibss, JOIN_IBSS); | |
1355 | CMD(join_mesh, JOIN_MESH); | |
1356 | CMD(set_pmksa, SET_PMKSA); | |
1357 | CMD(del_pmksa, DEL_PMKSA); | |
1358 | CMD(flush_pmksa, FLUSH_PMKSA); | |
1359 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) | |
1360 | CMD(remain_on_channel, REMAIN_ON_CHANNEL); | |
1361 | CMD(set_bitrate_mask, SET_TX_BITRATE_MASK); | |
1362 | CMD(mgmt_tx, FRAME); | |
1363 | CMD(mgmt_tx_cancel_wait, FRAME_WAIT_CANCEL); | |
1364 | if (rdev->wiphy.flags & WIPHY_FLAG_NETNS_OK) { | |
1365 | i++; | |
1366 | if (nla_put_u32(msg, i, NL80211_CMD_SET_WIPHY_NETNS)) | |
1367 | goto nla_put_failure; | |
1368 | } | |
1369 | if (rdev->ops->set_monitor_channel || rdev->ops->start_ap || | |
1370 | rdev->ops->join_mesh) { | |
1371 | i++; | |
1372 | if (nla_put_u32(msg, i, NL80211_CMD_SET_CHANNEL)) | |
1373 | goto nla_put_failure; | |
1374 | } | |
1375 | CMD(set_wds_peer, SET_WDS_PEER); | |
1376 | if (rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) { | |
1377 | CMD(tdls_mgmt, TDLS_MGMT); | |
1378 | CMD(tdls_oper, TDLS_OPER); | |
1379 | } | |
ca986ad9 | 1380 | if (rdev->wiphy.max_sched_scan_reqs) |
1794899e JB |
1381 | CMD(sched_scan_start, START_SCHED_SCAN); |
1382 | CMD(probe_client, PROBE_CLIENT); | |
1383 | CMD(set_noack_map, SET_NOACK_MAP); | |
1384 | if (rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS) { | |
1385 | i++; | |
1386 | if (nla_put_u32(msg, i, NL80211_CMD_REGISTER_BEACONS)) | |
1387 | goto nla_put_failure; | |
1388 | } | |
1389 | CMD(start_p2p_device, START_P2P_DEVICE); | |
1390 | CMD(set_mcast_rate, SET_MCAST_RATE); | |
1391 | #ifdef CONFIG_NL80211_TESTMODE | |
1392 | CMD(testmode_cmd, TESTMODE); | |
1393 | #endif | |
1394 | ||
1395 | if (rdev->ops->connect || rdev->ops->auth) { | |
1396 | i++; | |
1397 | if (nla_put_u32(msg, i, NL80211_CMD_CONNECT)) | |
1398 | goto nla_put_failure; | |
1399 | } | |
1400 | ||
1401 | if (rdev->ops->disconnect || rdev->ops->deauth) { | |
1402 | i++; | |
1403 | if (nla_put_u32(msg, i, NL80211_CMD_DISCONNECT)) | |
1404 | goto nla_put_failure; | |
1405 | } | |
1406 | ||
1407 | return i; | |
1408 | nla_put_failure: | |
1409 | return -ENOBUFS; | |
1410 | } | |
1411 | ||
86e8cf98 JB |
1412 | struct nl80211_dump_wiphy_state { |
1413 | s64 filter_wiphy; | |
1414 | long start; | |
019ae3a9 | 1415 | long split_start, band_start, chan_start, capa_start; |
86e8cf98 JB |
1416 | bool split; |
1417 | }; | |
1418 | ||
1b8ec87a | 1419 | static int nl80211_send_wiphy(struct cfg80211_registered_device *rdev, |
3bb20556 | 1420 | enum nl80211_commands cmd, |
3713b4e3 | 1421 | struct sk_buff *msg, u32 portid, u32 seq, |
86e8cf98 | 1422 | int flags, struct nl80211_dump_wiphy_state *state) |
3713b4e3 JB |
1423 | { |
1424 | void *hdr; | |
1425 | struct nlattr *nl_bands, *nl_band; | |
1426 | struct nlattr *nl_freqs, *nl_freq; | |
1427 | struct nlattr *nl_cmds; | |
57fbcce3 | 1428 | enum nl80211_band band; |
3713b4e3 JB |
1429 | struct ieee80211_channel *chan; |
1430 | int i; | |
1431 | const struct ieee80211_txrx_stypes *mgmt_stypes = | |
1b8ec87a | 1432 | rdev->wiphy.mgmt_stypes; |
fe1abafd | 1433 | u32 features; |
ee688b00 | 1434 | |
3bb20556 | 1435 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
3713b4e3 JB |
1436 | if (!hdr) |
1437 | return -ENOBUFS; | |
ee688b00 | 1438 | |
86e8cf98 JB |
1439 | if (WARN_ON(!state)) |
1440 | return -EINVAL; | |
ee688b00 | 1441 | |
1b8ec87a | 1442 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
3713b4e3 | 1443 | nla_put_string(msg, NL80211_ATTR_WIPHY_NAME, |
1b8ec87a | 1444 | wiphy_name(&rdev->wiphy)) || |
3713b4e3 JB |
1445 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
1446 | cfg80211_rdev_list_generation)) | |
8fdc621d JB |
1447 | goto nla_put_failure; |
1448 | ||
3bb20556 JB |
1449 | if (cmd != NL80211_CMD_NEW_WIPHY) |
1450 | goto finish; | |
1451 | ||
86e8cf98 | 1452 | switch (state->split_start) { |
3713b4e3 JB |
1453 | case 0: |
1454 | if (nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_SHORT, | |
1b8ec87a | 1455 | rdev->wiphy.retry_short) || |
3713b4e3 | 1456 | nla_put_u8(msg, NL80211_ATTR_WIPHY_RETRY_LONG, |
1b8ec87a | 1457 | rdev->wiphy.retry_long) || |
3713b4e3 | 1458 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FRAG_THRESHOLD, |
1b8ec87a | 1459 | rdev->wiphy.frag_threshold) || |
3713b4e3 | 1460 | nla_put_u32(msg, NL80211_ATTR_WIPHY_RTS_THRESHOLD, |
1b8ec87a | 1461 | rdev->wiphy.rts_threshold) || |
3713b4e3 | 1462 | nla_put_u8(msg, NL80211_ATTR_WIPHY_COVERAGE_CLASS, |
1b8ec87a | 1463 | rdev->wiphy.coverage_class) || |
3713b4e3 | 1464 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCAN_SSIDS, |
1b8ec87a | 1465 | rdev->wiphy.max_scan_ssids) || |
3713b4e3 | 1466 | nla_put_u8(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_SSIDS, |
1b8ec87a | 1467 | rdev->wiphy.max_sched_scan_ssids) || |
3713b4e3 | 1468 | nla_put_u16(msg, NL80211_ATTR_MAX_SCAN_IE_LEN, |
1b8ec87a | 1469 | rdev->wiphy.max_scan_ie_len) || |
3713b4e3 | 1470 | nla_put_u16(msg, NL80211_ATTR_MAX_SCHED_SCAN_IE_LEN, |
1b8ec87a | 1471 | rdev->wiphy.max_sched_scan_ie_len) || |
3713b4e3 | 1472 | nla_put_u8(msg, NL80211_ATTR_MAX_MATCH_SETS, |
3b06d277 AS |
1473 | rdev->wiphy.max_match_sets) || |
1474 | nla_put_u32(msg, NL80211_ATTR_MAX_NUM_SCHED_SCAN_PLANS, | |
1475 | rdev->wiphy.max_sched_scan_plans) || | |
1476 | nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_INTERVAL, | |
1477 | rdev->wiphy.max_sched_scan_plan_interval) || | |
1478 | nla_put_u32(msg, NL80211_ATTR_MAX_SCAN_PLAN_ITERATIONS, | |
1479 | rdev->wiphy.max_sched_scan_plan_iterations)) | |
9360ffd1 | 1480 | goto nla_put_failure; |
3713b4e3 | 1481 | |
1b8ec87a | 1482 | if ((rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN) && |
3713b4e3 | 1483 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_IBSS_RSN)) |
aa430da4 | 1484 | goto nla_put_failure; |
1b8ec87a | 1485 | if ((rdev->wiphy.flags & WIPHY_FLAG_MESH_AUTH) && |
3713b4e3 JB |
1486 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_MESH_AUTH)) |
1487 | goto nla_put_failure; | |
1b8ec87a | 1488 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) && |
3713b4e3 JB |
1489 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_AP_UAPSD)) |
1490 | goto nla_put_failure; | |
1b8ec87a | 1491 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_FW_ROAM) && |
3713b4e3 JB |
1492 | nla_put_flag(msg, NL80211_ATTR_ROAM_SUPPORT)) |
1493 | goto nla_put_failure; | |
1b8ec87a | 1494 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) && |
3713b4e3 JB |
1495 | nla_put_flag(msg, NL80211_ATTR_TDLS_SUPPORT)) |
1496 | goto nla_put_failure; | |
1b8ec87a | 1497 | if ((rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP) && |
3713b4e3 | 1498 | nla_put_flag(msg, NL80211_ATTR_TDLS_EXTERNAL_SETUP)) |
9360ffd1 | 1499 | goto nla_put_failure; |
86e8cf98 JB |
1500 | state->split_start++; |
1501 | if (state->split) | |
3713b4e3 JB |
1502 | break; |
1503 | case 1: | |
1504 | if (nla_put(msg, NL80211_ATTR_CIPHER_SUITES, | |
1b8ec87a ZG |
1505 | sizeof(u32) * rdev->wiphy.n_cipher_suites, |
1506 | rdev->wiphy.cipher_suites)) | |
3713b4e3 | 1507 | goto nla_put_failure; |
4745fc09 | 1508 | |
3713b4e3 | 1509 | if (nla_put_u8(msg, NL80211_ATTR_MAX_NUM_PMKIDS, |
1b8ec87a | 1510 | rdev->wiphy.max_num_pmkids)) |
3713b4e3 | 1511 | goto nla_put_failure; |
b23aa676 | 1512 | |
1b8ec87a | 1513 | if ((rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && |
3713b4e3 | 1514 | nla_put_flag(msg, NL80211_ATTR_CONTROL_PORT_ETHERTYPE)) |
9360ffd1 | 1515 | goto nla_put_failure; |
b23aa676 | 1516 | |
3713b4e3 | 1517 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_TX, |
1b8ec87a | 1518 | rdev->wiphy.available_antennas_tx) || |
3713b4e3 | 1519 | nla_put_u32(msg, NL80211_ATTR_WIPHY_ANTENNA_AVAIL_RX, |
1b8ec87a | 1520 | rdev->wiphy.available_antennas_rx)) |
9360ffd1 | 1521 | goto nla_put_failure; |
b23aa676 | 1522 | |
1b8ec87a | 1523 | if ((rdev->wiphy.flags & WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD) && |
3713b4e3 | 1524 | nla_put_u32(msg, NL80211_ATTR_PROBE_RESP_OFFLOAD, |
1b8ec87a | 1525 | rdev->wiphy.probe_resp_offload)) |
3713b4e3 | 1526 | goto nla_put_failure; |
8fdc621d | 1527 | |
1b8ec87a ZG |
1528 | if ((rdev->wiphy.available_antennas_tx || |
1529 | rdev->wiphy.available_antennas_rx) && | |
1530 | rdev->ops->get_antenna) { | |
3713b4e3 JB |
1531 | u32 tx_ant = 0, rx_ant = 0; |
1532 | int res; | |
7a087e74 | 1533 | |
1b8ec87a | 1534 | res = rdev_get_antenna(rdev, &tx_ant, &rx_ant); |
3713b4e3 JB |
1535 | if (!res) { |
1536 | if (nla_put_u32(msg, | |
1537 | NL80211_ATTR_WIPHY_ANTENNA_TX, | |
1538 | tx_ant) || | |
1539 | nla_put_u32(msg, | |
1540 | NL80211_ATTR_WIPHY_ANTENNA_RX, | |
1541 | rx_ant)) | |
1542 | goto nla_put_failure; | |
1543 | } | |
1544 | } | |
a293911d | 1545 | |
86e8cf98 JB |
1546 | state->split_start++; |
1547 | if (state->split) | |
3713b4e3 JB |
1548 | break; |
1549 | case 2: | |
1550 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SUPPORTED_IFTYPES, | |
1b8ec87a | 1551 | rdev->wiphy.interface_modes)) |
3713b4e3 | 1552 | goto nla_put_failure; |
86e8cf98 JB |
1553 | state->split_start++; |
1554 | if (state->split) | |
3713b4e3 JB |
1555 | break; |
1556 | case 3: | |
1557 | nl_bands = nla_nest_start(msg, NL80211_ATTR_WIPHY_BANDS); | |
1558 | if (!nl_bands) | |
1559 | goto nla_put_failure; | |
f7ca38df | 1560 | |
86e8cf98 | 1561 | for (band = state->band_start; |
57fbcce3 | 1562 | band < NUM_NL80211_BANDS; band++) { |
3713b4e3 | 1563 | struct ieee80211_supported_band *sband; |
2e161f78 | 1564 | |
1b8ec87a | 1565 | sband = rdev->wiphy.bands[band]; |
2e161f78 | 1566 | |
3713b4e3 JB |
1567 | if (!sband) |
1568 | continue; | |
1569 | ||
1570 | nl_band = nla_nest_start(msg, band); | |
1571 | if (!nl_band) | |
2e161f78 | 1572 | goto nla_put_failure; |
3713b4e3 | 1573 | |
86e8cf98 | 1574 | switch (state->chan_start) { |
3713b4e3 JB |
1575 | case 0: |
1576 | if (nl80211_send_band_rateinfo(msg, sband)) | |
9360ffd1 | 1577 | goto nla_put_failure; |
86e8cf98 JB |
1578 | state->chan_start++; |
1579 | if (state->split) | |
3713b4e3 JB |
1580 | break; |
1581 | default: | |
1582 | /* add frequencies */ | |
1583 | nl_freqs = nla_nest_start( | |
1584 | msg, NL80211_BAND_ATTR_FREQS); | |
1585 | if (!nl_freqs) | |
1586 | goto nla_put_failure; | |
1587 | ||
86e8cf98 | 1588 | for (i = state->chan_start - 1; |
3713b4e3 JB |
1589 | i < sband->n_channels; |
1590 | i++) { | |
1591 | nl_freq = nla_nest_start(msg, i); | |
1592 | if (!nl_freq) | |
1593 | goto nla_put_failure; | |
1594 | ||
1595 | chan = &sband->channels[i]; | |
1596 | ||
86e8cf98 JB |
1597 | if (nl80211_msg_put_channel( |
1598 | msg, chan, | |
1599 | state->split)) | |
3713b4e3 JB |
1600 | goto nla_put_failure; |
1601 | ||
1602 | nla_nest_end(msg, nl_freq); | |
86e8cf98 | 1603 | if (state->split) |
3713b4e3 JB |
1604 | break; |
1605 | } | |
1606 | if (i < sband->n_channels) | |
86e8cf98 | 1607 | state->chan_start = i + 2; |
3713b4e3 | 1608 | else |
86e8cf98 | 1609 | state->chan_start = 0; |
3713b4e3 JB |
1610 | nla_nest_end(msg, nl_freqs); |
1611 | } | |
1612 | ||
1613 | nla_nest_end(msg, nl_band); | |
1614 | ||
86e8cf98 | 1615 | if (state->split) { |
3713b4e3 | 1616 | /* start again here */ |
86e8cf98 | 1617 | if (state->chan_start) |
3713b4e3 JB |
1618 | band--; |
1619 | break; | |
2e161f78 | 1620 | } |
2e161f78 | 1621 | } |
3713b4e3 | 1622 | nla_nest_end(msg, nl_bands); |
2e161f78 | 1623 | |
57fbcce3 | 1624 | if (band < NUM_NL80211_BANDS) |
86e8cf98 | 1625 | state->band_start = band + 1; |
3713b4e3 | 1626 | else |
86e8cf98 | 1627 | state->band_start = 0; |
74b70a4e | 1628 | |
3713b4e3 | 1629 | /* if bands & channels are done, continue outside */ |
86e8cf98 JB |
1630 | if (state->band_start == 0 && state->chan_start == 0) |
1631 | state->split_start++; | |
1632 | if (state->split) | |
3713b4e3 JB |
1633 | break; |
1634 | case 4: | |
1635 | nl_cmds = nla_nest_start(msg, NL80211_ATTR_SUPPORTED_COMMANDS); | |
1636 | if (!nl_cmds) | |
2e161f78 JB |
1637 | goto nla_put_failure; |
1638 | ||
1794899e JB |
1639 | i = nl80211_add_commands_unsplit(rdev, msg); |
1640 | if (i < 0) | |
1641 | goto nla_put_failure; | |
86e8cf98 | 1642 | if (state->split) { |
5de17984 AS |
1643 | CMD(crit_proto_start, CRIT_PROTOCOL_START); |
1644 | CMD(crit_proto_stop, CRIT_PROTOCOL_STOP); | |
1b8ec87a | 1645 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH) |
16ef1fe2 | 1646 | CMD(channel_switch, CHANNEL_SWITCH); |
02df00eb | 1647 | CMD(set_qos_map, SET_QOS_MAP); |
723e73ac JB |
1648 | if (rdev->wiphy.features & |
1649 | NL80211_FEATURE_SUPPORTS_WMM_ADMISSION) | |
960d01ac | 1650 | CMD(add_tx_ts, ADD_TX_TS); |
ce0ce13a | 1651 | CMD(set_multicast_to_unicast, SET_MULTICAST_TO_UNICAST); |
088e8df8 | 1652 | CMD(update_connect_params, UPDATE_CONNECT_PARAMS); |
5de17984 | 1653 | } |
3713b4e3 | 1654 | #undef CMD |
ff1b6e69 | 1655 | |
3713b4e3 | 1656 | nla_nest_end(msg, nl_cmds); |
86e8cf98 JB |
1657 | state->split_start++; |
1658 | if (state->split) | |
3713b4e3 JB |
1659 | break; |
1660 | case 5: | |
1b8ec87a ZG |
1661 | if (rdev->ops->remain_on_channel && |
1662 | (rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL) && | |
3713b4e3 JB |
1663 | nla_put_u32(msg, |
1664 | NL80211_ATTR_MAX_REMAIN_ON_CHANNEL_DURATION, | |
1b8ec87a | 1665 | rdev->wiphy.max_remain_on_channel_duration)) |
3713b4e3 JB |
1666 | goto nla_put_failure; |
1667 | ||
1b8ec87a | 1668 | if ((rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX) && |
3713b4e3 JB |
1669 | nla_put_flag(msg, NL80211_ATTR_OFFCHANNEL_TX_OK)) |
1670 | goto nla_put_failure; | |
1671 | ||
1672 | if (nl80211_send_mgmt_stypes(msg, mgmt_stypes)) | |
1673 | goto nla_put_failure; | |
86e8cf98 JB |
1674 | state->split_start++; |
1675 | if (state->split) | |
3713b4e3 JB |
1676 | break; |
1677 | case 6: | |
1678 | #ifdef CONFIG_PM | |
1b8ec87a | 1679 | if (nl80211_send_wowlan(msg, rdev, state->split)) |
3713b4e3 | 1680 | goto nla_put_failure; |
86e8cf98 JB |
1681 | state->split_start++; |
1682 | if (state->split) | |
3713b4e3 JB |
1683 | break; |
1684 | #else | |
86e8cf98 | 1685 | state->split_start++; |
dfb89c56 | 1686 | #endif |
3713b4e3 JB |
1687 | case 7: |
1688 | if (nl80211_put_iftypes(msg, NL80211_ATTR_SOFTWARE_IFTYPES, | |
1b8ec87a | 1689 | rdev->wiphy.software_iftypes)) |
3713b4e3 | 1690 | goto nla_put_failure; |
ff1b6e69 | 1691 | |
1b8ec87a | 1692 | if (nl80211_put_iface_combinations(&rdev->wiphy, msg, |
86e8cf98 | 1693 | state->split)) |
3713b4e3 | 1694 | goto nla_put_failure; |
7527a782 | 1695 | |
86e8cf98 JB |
1696 | state->split_start++; |
1697 | if (state->split) | |
3713b4e3 JB |
1698 | break; |
1699 | case 8: | |
1b8ec87a | 1700 | if ((rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME) && |
3713b4e3 | 1701 | nla_put_u32(msg, NL80211_ATTR_DEVICE_AP_SME, |
1b8ec87a | 1702 | rdev->wiphy.ap_sme_capa)) |
3713b4e3 | 1703 | goto nla_put_failure; |
7527a782 | 1704 | |
1b8ec87a | 1705 | features = rdev->wiphy.features; |
fe1abafd JB |
1706 | /* |
1707 | * We can only add the per-channel limit information if the | |
1708 | * dump is split, otherwise it makes it too big. Therefore | |
1709 | * only advertise it in that case. | |
1710 | */ | |
86e8cf98 | 1711 | if (state->split) |
fe1abafd JB |
1712 | features |= NL80211_FEATURE_ADVERTISE_CHAN_LIMITS; |
1713 | if (nla_put_u32(msg, NL80211_ATTR_FEATURE_FLAGS, features)) | |
3713b4e3 | 1714 | goto nla_put_failure; |
562a7480 | 1715 | |
1b8ec87a | 1716 | if (rdev->wiphy.ht_capa_mod_mask && |
3713b4e3 | 1717 | nla_put(msg, NL80211_ATTR_HT_CAPABILITY_MASK, |
1b8ec87a ZG |
1718 | sizeof(*rdev->wiphy.ht_capa_mod_mask), |
1719 | rdev->wiphy.ht_capa_mod_mask)) | |
3713b4e3 | 1720 | goto nla_put_failure; |
1f074bd8 | 1721 | |
1b8ec87a ZG |
1722 | if (rdev->wiphy.flags & WIPHY_FLAG_HAVE_AP_SME && |
1723 | rdev->wiphy.max_acl_mac_addrs && | |
3713b4e3 | 1724 | nla_put_u32(msg, NL80211_ATTR_MAC_ACL_MAX, |
1b8ec87a | 1725 | rdev->wiphy.max_acl_mac_addrs)) |
3713b4e3 | 1726 | goto nla_put_failure; |
7e7c8926 | 1727 | |
3713b4e3 JB |
1728 | /* |
1729 | * Any information below this point is only available to | |
1730 | * applications that can deal with it being split. This | |
1731 | * helps ensure that newly added capabilities don't break | |
1732 | * older tools by overrunning their buffers. | |
1733 | * | |
1734 | * We still increment split_start so that in the split | |
1735 | * case we'll continue with more data in the next round, | |
1736 | * but break unconditionally so unsplit data stops here. | |
1737 | */ | |
86e8cf98 | 1738 | state->split_start++; |
3713b4e3 JB |
1739 | break; |
1740 | case 9: | |
1b8ec87a | 1741 | if (rdev->wiphy.extended_capabilities && |
fe1abafd | 1742 | (nla_put(msg, NL80211_ATTR_EXT_CAPA, |
1b8ec87a ZG |
1743 | rdev->wiphy.extended_capabilities_len, |
1744 | rdev->wiphy.extended_capabilities) || | |
fe1abafd | 1745 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, |
1b8ec87a ZG |
1746 | rdev->wiphy.extended_capabilities_len, |
1747 | rdev->wiphy.extended_capabilities_mask))) | |
fe1abafd | 1748 | goto nla_put_failure; |
a50df0c4 | 1749 | |
1b8ec87a | 1750 | if (rdev->wiphy.vht_capa_mod_mask && |
ee2aca34 | 1751 | nla_put(msg, NL80211_ATTR_VHT_CAPABILITY_MASK, |
1b8ec87a ZG |
1752 | sizeof(*rdev->wiphy.vht_capa_mod_mask), |
1753 | rdev->wiphy.vht_capa_mod_mask)) | |
ee2aca34 JB |
1754 | goto nla_put_failure; |
1755 | ||
be29b99a AK |
1756 | state->split_start++; |
1757 | break; | |
1758 | case 10: | |
1b8ec87a | 1759 | if (nl80211_send_coalesce(msg, rdev)) |
be29b99a AK |
1760 | goto nla_put_failure; |
1761 | ||
1b8ec87a | 1762 | if ((rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ) && |
01e0daa4 FF |
1763 | (nla_put_flag(msg, NL80211_ATTR_SUPPORT_5_MHZ) || |
1764 | nla_put_flag(msg, NL80211_ATTR_SUPPORT_10_MHZ))) | |
1765 | goto nla_put_failure; | |
b43504cf | 1766 | |
1b8ec87a | 1767 | if (rdev->wiphy.max_ap_assoc_sta && |
b43504cf | 1768 | nla_put_u32(msg, NL80211_ATTR_MAX_AP_ASSOC_STA, |
1b8ec87a | 1769 | rdev->wiphy.max_ap_assoc_sta)) |
b43504cf JM |
1770 | goto nla_put_failure; |
1771 | ||
ad7e718c JB |
1772 | state->split_start++; |
1773 | break; | |
1774 | case 11: | |
1b8ec87a | 1775 | if (rdev->wiphy.n_vendor_commands) { |
567ffc35 JB |
1776 | const struct nl80211_vendor_cmd_info *info; |
1777 | struct nlattr *nested; | |
1778 | ||
1779 | nested = nla_nest_start(msg, NL80211_ATTR_VENDOR_DATA); | |
1780 | if (!nested) | |
1781 | goto nla_put_failure; | |
1782 | ||
1b8ec87a ZG |
1783 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { |
1784 | info = &rdev->wiphy.vendor_commands[i].info; | |
567ffc35 JB |
1785 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1786 | goto nla_put_failure; | |
1787 | } | |
1788 | nla_nest_end(msg, nested); | |
1789 | } | |
1790 | ||
1b8ec87a | 1791 | if (rdev->wiphy.n_vendor_events) { |
567ffc35 JB |
1792 | const struct nl80211_vendor_cmd_info *info; |
1793 | struct nlattr *nested; | |
ad7e718c | 1794 | |
567ffc35 JB |
1795 | nested = nla_nest_start(msg, |
1796 | NL80211_ATTR_VENDOR_EVENTS); | |
1797 | if (!nested) | |
ad7e718c | 1798 | goto nla_put_failure; |
567ffc35 | 1799 | |
1b8ec87a ZG |
1800 | for (i = 0; i < rdev->wiphy.n_vendor_events; i++) { |
1801 | info = &rdev->wiphy.vendor_events[i]; | |
567ffc35 JB |
1802 | if (nla_put(msg, i + 1, sizeof(*info), info)) |
1803 | goto nla_put_failure; | |
1804 | } | |
1805 | nla_nest_end(msg, nested); | |
1806 | } | |
9a774c78 AO |
1807 | state->split_start++; |
1808 | break; | |
1809 | case 12: | |
1810 | if (rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH && | |
1811 | nla_put_u8(msg, NL80211_ATTR_MAX_CSA_COUNTERS, | |
1812 | rdev->wiphy.max_num_csa_counters)) | |
1813 | goto nla_put_failure; | |
01e0daa4 | 1814 | |
1bdd716c AN |
1815 | if (rdev->wiphy.regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && |
1816 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
1817 | goto nla_put_failure; | |
1818 | ||
ca986ad9 AVS |
1819 | if (rdev->wiphy.max_sched_scan_reqs && |
1820 | nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_MAX_REQS, | |
1821 | rdev->wiphy.max_sched_scan_reqs)) | |
1822 | goto nla_put_failure; | |
1823 | ||
d75bb06b GKS |
1824 | if (nla_put(msg, NL80211_ATTR_EXT_FEATURES, |
1825 | sizeof(rdev->wiphy.ext_features), | |
1826 | rdev->wiphy.ext_features)) | |
1827 | goto nla_put_failure; | |
1828 | ||
38de03d2 AS |
1829 | if (rdev->wiphy.bss_select_support) { |
1830 | struct nlattr *nested; | |
1831 | u32 bss_select_support = rdev->wiphy.bss_select_support; | |
1832 | ||
1833 | nested = nla_nest_start(msg, NL80211_ATTR_BSS_SELECT); | |
1834 | if (!nested) | |
1835 | goto nla_put_failure; | |
1836 | ||
1837 | i = 0; | |
1838 | while (bss_select_support) { | |
1839 | if ((bss_select_support & 1) && | |
1840 | nla_put_flag(msg, i)) | |
1841 | goto nla_put_failure; | |
1842 | i++; | |
1843 | bss_select_support >>= 1; | |
1844 | } | |
1845 | nla_nest_end(msg, nested); | |
1846 | } | |
1847 | ||
019ae3a9 KV |
1848 | state->split_start++; |
1849 | break; | |
1850 | case 13: | |
1851 | if (rdev->wiphy.num_iftype_ext_capab && | |
1852 | rdev->wiphy.iftype_ext_capab) { | |
1853 | struct nlattr *nested_ext_capab, *nested; | |
1854 | ||
1855 | nested = nla_nest_start(msg, | |
1856 | NL80211_ATTR_IFTYPE_EXT_CAPA); | |
1857 | if (!nested) | |
1858 | goto nla_put_failure; | |
1859 | ||
1860 | for (i = state->capa_start; | |
1861 | i < rdev->wiphy.num_iftype_ext_capab; i++) { | |
1862 | const struct wiphy_iftype_ext_capab *capab; | |
1863 | ||
1864 | capab = &rdev->wiphy.iftype_ext_capab[i]; | |
1865 | ||
1866 | nested_ext_capab = nla_nest_start(msg, i); | |
1867 | if (!nested_ext_capab || | |
1868 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, | |
1869 | capab->iftype) || | |
1870 | nla_put(msg, NL80211_ATTR_EXT_CAPA, | |
1871 | capab->extended_capabilities_len, | |
1872 | capab->extended_capabilities) || | |
1873 | nla_put(msg, NL80211_ATTR_EXT_CAPA_MASK, | |
1874 | capab->extended_capabilities_len, | |
1875 | capab->extended_capabilities_mask)) | |
1876 | goto nla_put_failure; | |
1877 | ||
1878 | nla_nest_end(msg, nested_ext_capab); | |
1879 | if (state->split) | |
1880 | break; | |
1881 | } | |
1882 | nla_nest_end(msg, nested); | |
1883 | if (i < rdev->wiphy.num_iftype_ext_capab) { | |
1884 | state->capa_start = i + 1; | |
1885 | break; | |
1886 | } | |
1887 | } | |
1888 | ||
8585989d LC |
1889 | if (nla_put_u32(msg, NL80211_ATTR_BANDS, |
1890 | rdev->wiphy.nan_supported_bands)) | |
1891 | goto nla_put_failure; | |
1892 | ||
3713b4e3 | 1893 | /* done */ |
86e8cf98 | 1894 | state->split_start = 0; |
3713b4e3 JB |
1895 | break; |
1896 | } | |
3bb20556 | 1897 | finish: |
053c095a JB |
1898 | genlmsg_end(msg, hdr); |
1899 | return 0; | |
55682965 JB |
1900 | |
1901 | nla_put_failure: | |
bc3ed28c TG |
1902 | genlmsg_cancel(msg, hdr); |
1903 | return -EMSGSIZE; | |
55682965 JB |
1904 | } |
1905 | ||
86e8cf98 JB |
1906 | static int nl80211_dump_wiphy_parse(struct sk_buff *skb, |
1907 | struct netlink_callback *cb, | |
1908 | struct nl80211_dump_wiphy_state *state) | |
1909 | { | |
c90c39da | 1910 | struct nlattr **tb = genl_family_attrbuf(&nl80211_fam); |
fceb6435 JB |
1911 | int ret = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, tb, |
1912 | nl80211_fam.maxattr, nl80211_policy, NULL); | |
86e8cf98 JB |
1913 | /* ignore parse errors for backward compatibility */ |
1914 | if (ret) | |
1915 | return 0; | |
1916 | ||
1917 | state->split = tb[NL80211_ATTR_SPLIT_WIPHY_DUMP]; | |
1918 | if (tb[NL80211_ATTR_WIPHY]) | |
1919 | state->filter_wiphy = nla_get_u32(tb[NL80211_ATTR_WIPHY]); | |
1920 | if (tb[NL80211_ATTR_WDEV]) | |
1921 | state->filter_wiphy = nla_get_u64(tb[NL80211_ATTR_WDEV]) >> 32; | |
1922 | if (tb[NL80211_ATTR_IFINDEX]) { | |
1923 | struct net_device *netdev; | |
1924 | struct cfg80211_registered_device *rdev; | |
1925 | int ifidx = nla_get_u32(tb[NL80211_ATTR_IFINDEX]); | |
1926 | ||
7f2b8562 | 1927 | netdev = __dev_get_by_index(sock_net(skb->sk), ifidx); |
86e8cf98 JB |
1928 | if (!netdev) |
1929 | return -ENODEV; | |
1930 | if (netdev->ieee80211_ptr) { | |
f26cbf40 | 1931 | rdev = wiphy_to_rdev( |
86e8cf98 JB |
1932 | netdev->ieee80211_ptr->wiphy); |
1933 | state->filter_wiphy = rdev->wiphy_idx; | |
1934 | } | |
86e8cf98 JB |
1935 | } |
1936 | ||
1937 | return 0; | |
1938 | } | |
1939 | ||
55682965 JB |
1940 | static int nl80211_dump_wiphy(struct sk_buff *skb, struct netlink_callback *cb) |
1941 | { | |
645e77de | 1942 | int idx = 0, ret; |
86e8cf98 | 1943 | struct nl80211_dump_wiphy_state *state = (void *)cb->args[0]; |
1b8ec87a | 1944 | struct cfg80211_registered_device *rdev; |
3a5a423b | 1945 | |
5fe231e8 | 1946 | rtnl_lock(); |
86e8cf98 JB |
1947 | if (!state) { |
1948 | state = kzalloc(sizeof(*state), GFP_KERNEL); | |
57ed5cd6 JL |
1949 | if (!state) { |
1950 | rtnl_unlock(); | |
86e8cf98 | 1951 | return -ENOMEM; |
3713b4e3 | 1952 | } |
86e8cf98 JB |
1953 | state->filter_wiphy = -1; |
1954 | ret = nl80211_dump_wiphy_parse(skb, cb, state); | |
1955 | if (ret) { | |
1956 | kfree(state); | |
1957 | rtnl_unlock(); | |
1958 | return ret; | |
3713b4e3 | 1959 | } |
86e8cf98 | 1960 | cb->args[0] = (long)state; |
3713b4e3 JB |
1961 | } |
1962 | ||
1b8ec87a ZG |
1963 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
1964 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 1965 | continue; |
86e8cf98 | 1966 | if (++idx <= state->start) |
55682965 | 1967 | continue; |
86e8cf98 | 1968 | if (state->filter_wiphy != -1 && |
1b8ec87a | 1969 | state->filter_wiphy != rdev->wiphy_idx) |
3713b4e3 JB |
1970 | continue; |
1971 | /* attempt to fit multiple wiphy data chunks into the skb */ | |
1972 | do { | |
3bb20556 JB |
1973 | ret = nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, |
1974 | skb, | |
3713b4e3 JB |
1975 | NETLINK_CB(cb->skb).portid, |
1976 | cb->nlh->nlmsg_seq, | |
86e8cf98 | 1977 | NLM_F_MULTI, state); |
3713b4e3 JB |
1978 | if (ret < 0) { |
1979 | /* | |
1980 | * If sending the wiphy data didn't fit (ENOBUFS | |
1981 | * or EMSGSIZE returned), this SKB is still | |
1982 | * empty (so it's not too big because another | |
1983 | * wiphy dataset is already in the skb) and | |
1984 | * we've not tried to adjust the dump allocation | |
1985 | * yet ... then adjust the alloc size to be | |
1986 | * bigger, and return 1 but with the empty skb. | |
1987 | * This results in an empty message being RX'ed | |
1988 | * in userspace, but that is ignored. | |
1989 | * | |
1990 | * We can then retry with the larger buffer. | |
1991 | */ | |
1992 | if ((ret == -ENOBUFS || ret == -EMSGSIZE) && | |
f12cb289 | 1993 | !skb->len && !state->split && |
3713b4e3 JB |
1994 | cb->min_dump_alloc < 4096) { |
1995 | cb->min_dump_alloc = 4096; | |
f12cb289 | 1996 | state->split_start = 0; |
d98cae64 | 1997 | rtnl_unlock(); |
3713b4e3 JB |
1998 | return 1; |
1999 | } | |
2000 | idx--; | |
2001 | break; | |
645e77de | 2002 | } |
86e8cf98 | 2003 | } while (state->split_start > 0); |
3713b4e3 | 2004 | break; |
55682965 | 2005 | } |
5fe231e8 | 2006 | rtnl_unlock(); |
55682965 | 2007 | |
86e8cf98 | 2008 | state->start = idx; |
55682965 JB |
2009 | |
2010 | return skb->len; | |
2011 | } | |
2012 | ||
86e8cf98 JB |
2013 | static int nl80211_dump_wiphy_done(struct netlink_callback *cb) |
2014 | { | |
2015 | kfree((void *)cb->args[0]); | |
2016 | return 0; | |
2017 | } | |
2018 | ||
55682965 JB |
2019 | static int nl80211_get_wiphy(struct sk_buff *skb, struct genl_info *info) |
2020 | { | |
2021 | struct sk_buff *msg; | |
1b8ec87a | 2022 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
86e8cf98 | 2023 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 2024 | |
645e77de | 2025 | msg = nlmsg_new(4096, GFP_KERNEL); |
55682965 | 2026 | if (!msg) |
4c476991 | 2027 | return -ENOMEM; |
55682965 | 2028 | |
3bb20556 JB |
2029 | if (nl80211_send_wiphy(rdev, NL80211_CMD_NEW_WIPHY, msg, |
2030 | info->snd_portid, info->snd_seq, 0, | |
86e8cf98 | 2031 | &state) < 0) { |
4c476991 JB |
2032 | nlmsg_free(msg); |
2033 | return -ENOBUFS; | |
2034 | } | |
55682965 | 2035 | |
134e6375 | 2036 | return genlmsg_reply(msg, info); |
55682965 JB |
2037 | } |
2038 | ||
31888487 JM |
2039 | static const struct nla_policy txq_params_policy[NL80211_TXQ_ATTR_MAX + 1] = { |
2040 | [NL80211_TXQ_ATTR_QUEUE] = { .type = NLA_U8 }, | |
2041 | [NL80211_TXQ_ATTR_TXOP] = { .type = NLA_U16 }, | |
2042 | [NL80211_TXQ_ATTR_CWMIN] = { .type = NLA_U16 }, | |
2043 | [NL80211_TXQ_ATTR_CWMAX] = { .type = NLA_U16 }, | |
2044 | [NL80211_TXQ_ATTR_AIFS] = { .type = NLA_U8 }, | |
2045 | }; | |
2046 | ||
2047 | static int parse_txq_params(struct nlattr *tb[], | |
2048 | struct ieee80211_txq_params *txq_params) | |
2049 | { | |
a3304b0a | 2050 | if (!tb[NL80211_TXQ_ATTR_AC] || !tb[NL80211_TXQ_ATTR_TXOP] || |
31888487 JM |
2051 | !tb[NL80211_TXQ_ATTR_CWMIN] || !tb[NL80211_TXQ_ATTR_CWMAX] || |
2052 | !tb[NL80211_TXQ_ATTR_AIFS]) | |
2053 | return -EINVAL; | |
2054 | ||
a3304b0a | 2055 | txq_params->ac = nla_get_u8(tb[NL80211_TXQ_ATTR_AC]); |
31888487 JM |
2056 | txq_params->txop = nla_get_u16(tb[NL80211_TXQ_ATTR_TXOP]); |
2057 | txq_params->cwmin = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMIN]); | |
2058 | txq_params->cwmax = nla_get_u16(tb[NL80211_TXQ_ATTR_CWMAX]); | |
2059 | txq_params->aifs = nla_get_u8(tb[NL80211_TXQ_ATTR_AIFS]); | |
2060 | ||
a3304b0a JB |
2061 | if (txq_params->ac >= NL80211_NUM_ACS) |
2062 | return -EINVAL; | |
2063 | ||
31888487 JM |
2064 | return 0; |
2065 | } | |
2066 | ||
f444de05 JB |
2067 | static bool nl80211_can_set_dev_channel(struct wireless_dev *wdev) |
2068 | { | |
2069 | /* | |
cc1d2806 JB |
2070 | * You can only set the channel explicitly for WDS interfaces, |
2071 | * all others have their channel managed via their respective | |
2072 | * "establish a connection" command (connect, join, ...) | |
2073 | * | |
2074 | * For AP/GO and mesh mode, the channel can be set with the | |
2075 | * channel userspace API, but is only stored and passed to the | |
2076 | * low-level driver when the AP starts or the mesh is joined. | |
2077 | * This is for backward compatibility, userspace can also give | |
2078 | * the channel in the start-ap or join-mesh commands instead. | |
f444de05 JB |
2079 | * |
2080 | * Monitors are special as they are normally slaved to | |
e8c9bd5b JB |
2081 | * whatever else is going on, so they have their own special |
2082 | * operation to set the monitor channel if possible. | |
f444de05 JB |
2083 | */ |
2084 | return !wdev || | |
2085 | wdev->iftype == NL80211_IFTYPE_AP || | |
f444de05 | 2086 | wdev->iftype == NL80211_IFTYPE_MESH_POINT || |
074ac8df JB |
2087 | wdev->iftype == NL80211_IFTYPE_MONITOR || |
2088 | wdev->iftype == NL80211_IFTYPE_P2P_GO; | |
f444de05 JB |
2089 | } |
2090 | ||
683b6d3b JB |
2091 | static int nl80211_parse_chandef(struct cfg80211_registered_device *rdev, |
2092 | struct genl_info *info, | |
2093 | struct cfg80211_chan_def *chandef) | |
2094 | { | |
dbeca2ea | 2095 | u32 control_freq; |
683b6d3b JB |
2096 | |
2097 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
2098 | return -EINVAL; | |
2099 | ||
2100 | control_freq = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
2101 | ||
2102 | chandef->chan = ieee80211_get_channel(&rdev->wiphy, control_freq); | |
3d9d1d66 JB |
2103 | chandef->width = NL80211_CHAN_WIDTH_20_NOHT; |
2104 | chandef->center_freq1 = control_freq; | |
2105 | chandef->center_freq2 = 0; | |
683b6d3b JB |
2106 | |
2107 | /* Primary channel not allowed */ | |
2108 | if (!chandef->chan || chandef->chan->flags & IEEE80211_CHAN_DISABLED) | |
2109 | return -EINVAL; | |
2110 | ||
3d9d1d66 JB |
2111 | if (info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]) { |
2112 | enum nl80211_channel_type chantype; | |
2113 | ||
2114 | chantype = nla_get_u32( | |
2115 | info->attrs[NL80211_ATTR_WIPHY_CHANNEL_TYPE]); | |
2116 | ||
2117 | switch (chantype) { | |
2118 | case NL80211_CHAN_NO_HT: | |
2119 | case NL80211_CHAN_HT20: | |
2120 | case NL80211_CHAN_HT40PLUS: | |
2121 | case NL80211_CHAN_HT40MINUS: | |
2122 | cfg80211_chandef_create(chandef, chandef->chan, | |
2123 | chantype); | |
2124 | break; | |
2125 | default: | |
2126 | return -EINVAL; | |
2127 | } | |
2128 | } else if (info->attrs[NL80211_ATTR_CHANNEL_WIDTH]) { | |
2129 | chandef->width = | |
2130 | nla_get_u32(info->attrs[NL80211_ATTR_CHANNEL_WIDTH]); | |
2131 | if (info->attrs[NL80211_ATTR_CENTER_FREQ1]) | |
2132 | chandef->center_freq1 = | |
2133 | nla_get_u32( | |
2134 | info->attrs[NL80211_ATTR_CENTER_FREQ1]); | |
2135 | if (info->attrs[NL80211_ATTR_CENTER_FREQ2]) | |
2136 | chandef->center_freq2 = | |
2137 | nla_get_u32( | |
2138 | info->attrs[NL80211_ATTR_CENTER_FREQ2]); | |
2139 | } | |
2140 | ||
9f5e8f6e | 2141 | if (!cfg80211_chandef_valid(chandef)) |
3d9d1d66 JB |
2142 | return -EINVAL; |
2143 | ||
9f5e8f6e JB |
2144 | if (!cfg80211_chandef_usable(&rdev->wiphy, chandef, |
2145 | IEEE80211_CHAN_DISABLED)) | |
3d9d1d66 JB |
2146 | return -EINVAL; |
2147 | ||
2f301ab2 SW |
2148 | if ((chandef->width == NL80211_CHAN_WIDTH_5 || |
2149 | chandef->width == NL80211_CHAN_WIDTH_10) && | |
2150 | !(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_5_10_MHZ)) | |
2151 | return -EINVAL; | |
2152 | ||
683b6d3b JB |
2153 | return 0; |
2154 | } | |
2155 | ||
f444de05 | 2156 | static int __nl80211_set_channel(struct cfg80211_registered_device *rdev, |
e16821bc | 2157 | struct net_device *dev, |
f444de05 JB |
2158 | struct genl_info *info) |
2159 | { | |
683b6d3b | 2160 | struct cfg80211_chan_def chandef; |
f444de05 | 2161 | int result; |
e8c9bd5b | 2162 | enum nl80211_iftype iftype = NL80211_IFTYPE_MONITOR; |
e16821bc | 2163 | struct wireless_dev *wdev = NULL; |
e8c9bd5b | 2164 | |
e16821bc JM |
2165 | if (dev) |
2166 | wdev = dev->ieee80211_ptr; | |
f444de05 JB |
2167 | if (!nl80211_can_set_dev_channel(wdev)) |
2168 | return -EOPNOTSUPP; | |
e16821bc JM |
2169 | if (wdev) |
2170 | iftype = wdev->iftype; | |
f444de05 | 2171 | |
683b6d3b JB |
2172 | result = nl80211_parse_chandef(rdev, info, &chandef); |
2173 | if (result) | |
2174 | return result; | |
f444de05 | 2175 | |
e8c9bd5b | 2176 | switch (iftype) { |
aa430da4 JB |
2177 | case NL80211_IFTYPE_AP: |
2178 | case NL80211_IFTYPE_P2P_GO: | |
923b352f AN |
2179 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, |
2180 | iftype)) { | |
aa430da4 JB |
2181 | result = -EINVAL; |
2182 | break; | |
2183 | } | |
e16821bc JM |
2184 | if (wdev->beacon_interval) { |
2185 | if (!dev || !rdev->ops->set_ap_chanwidth || | |
2186 | !(rdev->wiphy.features & | |
2187 | NL80211_FEATURE_AP_MODE_CHAN_WIDTH_CHANGE)) { | |
2188 | result = -EBUSY; | |
2189 | break; | |
2190 | } | |
2191 | ||
2192 | /* Only allow dynamic channel width changes */ | |
2193 | if (chandef.chan != wdev->preset_chandef.chan) { | |
2194 | result = -EBUSY; | |
2195 | break; | |
2196 | } | |
2197 | result = rdev_set_ap_chanwidth(rdev, dev, &chandef); | |
2198 | if (result) | |
2199 | break; | |
2200 | } | |
683b6d3b | 2201 | wdev->preset_chandef = chandef; |
aa430da4 JB |
2202 | result = 0; |
2203 | break; | |
cc1d2806 | 2204 | case NL80211_IFTYPE_MESH_POINT: |
683b6d3b | 2205 | result = cfg80211_set_mesh_channel(rdev, wdev, &chandef); |
cc1d2806 | 2206 | break; |
e8c9bd5b | 2207 | case NL80211_IFTYPE_MONITOR: |
683b6d3b | 2208 | result = cfg80211_set_monitor_channel(rdev, &chandef); |
e8c9bd5b | 2209 | break; |
aa430da4 | 2210 | default: |
e8c9bd5b | 2211 | result = -EINVAL; |
f444de05 | 2212 | } |
f444de05 JB |
2213 | |
2214 | return result; | |
2215 | } | |
2216 | ||
2217 | static int nl80211_set_channel(struct sk_buff *skb, struct genl_info *info) | |
2218 | { | |
4c476991 JB |
2219 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2220 | struct net_device *netdev = info->user_ptr[1]; | |
f444de05 | 2221 | |
e16821bc | 2222 | return __nl80211_set_channel(rdev, netdev, info); |
f444de05 JB |
2223 | } |
2224 | ||
e8347eba BJ |
2225 | static int nl80211_set_wds_peer(struct sk_buff *skb, struct genl_info *info) |
2226 | { | |
43b19952 JB |
2227 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2228 | struct net_device *dev = info->user_ptr[1]; | |
2229 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
388ac775 | 2230 | const u8 *bssid; |
e8347eba BJ |
2231 | |
2232 | if (!info->attrs[NL80211_ATTR_MAC]) | |
2233 | return -EINVAL; | |
2234 | ||
43b19952 JB |
2235 | if (netif_running(dev)) |
2236 | return -EBUSY; | |
e8347eba | 2237 | |
43b19952 JB |
2238 | if (!rdev->ops->set_wds_peer) |
2239 | return -EOPNOTSUPP; | |
e8347eba | 2240 | |
43b19952 JB |
2241 | if (wdev->iftype != NL80211_IFTYPE_WDS) |
2242 | return -EOPNOTSUPP; | |
e8347eba BJ |
2243 | |
2244 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
e35e4d28 | 2245 | return rdev_set_wds_peer(rdev, dev, bssid); |
e8347eba BJ |
2246 | } |
2247 | ||
55682965 JB |
2248 | static int nl80211_set_wiphy(struct sk_buff *skb, struct genl_info *info) |
2249 | { | |
2250 | struct cfg80211_registered_device *rdev; | |
f444de05 JB |
2251 | struct net_device *netdev = NULL; |
2252 | struct wireless_dev *wdev; | |
a1e567c8 | 2253 | int result = 0, rem_txq_params = 0; |
31888487 | 2254 | struct nlattr *nl_txq_params; |
b9a5f8ca JM |
2255 | u32 changed; |
2256 | u8 retry_short = 0, retry_long = 0; | |
2257 | u32 frag_threshold = 0, rts_threshold = 0; | |
81077e82 | 2258 | u8 coverage_class = 0; |
55682965 | 2259 | |
5fe231e8 JB |
2260 | ASSERT_RTNL(); |
2261 | ||
f444de05 JB |
2262 | /* |
2263 | * Try to find the wiphy and netdev. Normally this | |
2264 | * function shouldn't need the netdev, but this is | |
2265 | * done for backward compatibility -- previously | |
2266 | * setting the channel was done per wiphy, but now | |
2267 | * it is per netdev. Previous userland like hostapd | |
2268 | * also passed a netdev to set_wiphy, so that it is | |
2269 | * possible to let that go to the right netdev! | |
2270 | */ | |
4bbf4d56 | 2271 | |
f444de05 JB |
2272 | if (info->attrs[NL80211_ATTR_IFINDEX]) { |
2273 | int ifindex = nla_get_u32(info->attrs[NL80211_ATTR_IFINDEX]); | |
2274 | ||
7f2b8562 | 2275 | netdev = __dev_get_by_index(genl_info_net(info), ifindex); |
5fe231e8 | 2276 | if (netdev && netdev->ieee80211_ptr) |
f26cbf40 | 2277 | rdev = wiphy_to_rdev(netdev->ieee80211_ptr->wiphy); |
5fe231e8 | 2278 | else |
f444de05 | 2279 | netdev = NULL; |
4bbf4d56 JB |
2280 | } |
2281 | ||
f444de05 | 2282 | if (!netdev) { |
878d9ec7 JB |
2283 | rdev = __cfg80211_rdev_from_attrs(genl_info_net(info), |
2284 | info->attrs); | |
5fe231e8 | 2285 | if (IS_ERR(rdev)) |
4c476991 | 2286 | return PTR_ERR(rdev); |
f444de05 JB |
2287 | wdev = NULL; |
2288 | netdev = NULL; | |
2289 | result = 0; | |
71fe96bf | 2290 | } else |
f444de05 | 2291 | wdev = netdev->ieee80211_ptr; |
f444de05 JB |
2292 | |
2293 | /* | |
2294 | * end workaround code, by now the rdev is available | |
2295 | * and locked, and wdev may or may not be NULL. | |
2296 | */ | |
4bbf4d56 JB |
2297 | |
2298 | if (info->attrs[NL80211_ATTR_WIPHY_NAME]) | |
31888487 JM |
2299 | result = cfg80211_dev_rename( |
2300 | rdev, nla_data(info->attrs[NL80211_ATTR_WIPHY_NAME])); | |
4bbf4d56 | 2301 | |
4bbf4d56 | 2302 | if (result) |
7f2b8562 | 2303 | return result; |
31888487 JM |
2304 | |
2305 | if (info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS]) { | |
2306 | struct ieee80211_txq_params txq_params; | |
2307 | struct nlattr *tb[NL80211_TXQ_ATTR_MAX + 1]; | |
2308 | ||
7f2b8562 YX |
2309 | if (!rdev->ops->set_txq_params) |
2310 | return -EOPNOTSUPP; | |
31888487 | 2311 | |
7f2b8562 YX |
2312 | if (!netdev) |
2313 | return -EINVAL; | |
f70f01c2 | 2314 | |
133a3ff2 | 2315 | if (netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
7f2b8562 YX |
2316 | netdev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
2317 | return -EINVAL; | |
133a3ff2 | 2318 | |
7f2b8562 YX |
2319 | if (!netif_running(netdev)) |
2320 | return -ENETDOWN; | |
2b5f8b0b | 2321 | |
31888487 JM |
2322 | nla_for_each_nested(nl_txq_params, |
2323 | info->attrs[NL80211_ATTR_WIPHY_TXQ_PARAMS], | |
2324 | rem_txq_params) { | |
bfe2c7b1 JB |
2325 | result = nla_parse_nested(tb, NL80211_TXQ_ATTR_MAX, |
2326 | nl_txq_params, | |
fe52145f JB |
2327 | txq_params_policy, |
2328 | info->extack); | |
ae811e21 JB |
2329 | if (result) |
2330 | return result; | |
31888487 JM |
2331 | result = parse_txq_params(tb, &txq_params); |
2332 | if (result) | |
7f2b8562 | 2333 | return result; |
31888487 | 2334 | |
e35e4d28 HG |
2335 | result = rdev_set_txq_params(rdev, netdev, |
2336 | &txq_params); | |
31888487 | 2337 | if (result) |
7f2b8562 | 2338 | return result; |
31888487 JM |
2339 | } |
2340 | } | |
55682965 | 2341 | |
72bdcf34 | 2342 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
e16821bc JM |
2343 | result = __nl80211_set_channel( |
2344 | rdev, | |
2345 | nl80211_can_set_dev_channel(wdev) ? netdev : NULL, | |
2346 | info); | |
72bdcf34 | 2347 | if (result) |
7f2b8562 | 2348 | return result; |
72bdcf34 JM |
2349 | } |
2350 | ||
98d2ff8b | 2351 | if (info->attrs[NL80211_ATTR_WIPHY_TX_POWER_SETTING]) { |
c8442118 | 2352 | struct wireless_dev *txp_wdev = wdev; |
98d2ff8b JO |
2353 | enum nl80211_tx_power_setting type; |
2354 | int idx, mbm = 0; | |
2355 | ||
c8442118 JB |
2356 | if (!(rdev->wiphy.features & NL80211_FEATURE_VIF_TXPOWER)) |
2357 | txp_wdev = NULL; | |
2358 | ||
7f2b8562 YX |
2359 | if (!rdev->ops->set_tx_power) |
2360 | return -EOPNOTSUPP; | |
98d2ff8b JO |
2361 | |
2362 | idx = NL80211_ATTR_WIPHY_TX_POWER_SETTING; | |
2363 | type = nla_get_u32(info->attrs[idx]); | |
2364 | ||
2365 | if (!info->attrs[NL80211_ATTR_WIPHY_TX_POWER_LEVEL] && | |
7f2b8562 YX |
2366 | (type != NL80211_TX_POWER_AUTOMATIC)) |
2367 | return -EINVAL; | |
98d2ff8b JO |
2368 | |
2369 | if (type != NL80211_TX_POWER_AUTOMATIC) { | |
2370 | idx = NL80211_ATTR_WIPHY_TX_POWER_LEVEL; | |
2371 | mbm = nla_get_u32(info->attrs[idx]); | |
2372 | } | |
2373 | ||
c8442118 | 2374 | result = rdev_set_tx_power(rdev, txp_wdev, type, mbm); |
98d2ff8b | 2375 | if (result) |
7f2b8562 | 2376 | return result; |
98d2ff8b JO |
2377 | } |
2378 | ||
afe0cbf8 BR |
2379 | if (info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX] && |
2380 | info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]) { | |
2381 | u32 tx_ant, rx_ant; | |
7a087e74 | 2382 | |
7f531e03 BR |
2383 | if ((!rdev->wiphy.available_antennas_tx && |
2384 | !rdev->wiphy.available_antennas_rx) || | |
7f2b8562 YX |
2385 | !rdev->ops->set_antenna) |
2386 | return -EOPNOTSUPP; | |
afe0cbf8 BR |
2387 | |
2388 | tx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_TX]); | |
2389 | rx_ant = nla_get_u32(info->attrs[NL80211_ATTR_WIPHY_ANTENNA_RX]); | |
2390 | ||
a7ffac95 | 2391 | /* reject antenna configurations which don't match the |
7f531e03 BR |
2392 | * available antenna masks, except for the "all" mask */ |
2393 | if ((~tx_ant && (tx_ant & ~rdev->wiphy.available_antennas_tx)) || | |
7f2b8562 YX |
2394 | (~rx_ant && (rx_ant & ~rdev->wiphy.available_antennas_rx))) |
2395 | return -EINVAL; | |
a7ffac95 | 2396 | |
7f531e03 BR |
2397 | tx_ant = tx_ant & rdev->wiphy.available_antennas_tx; |
2398 | rx_ant = rx_ant & rdev->wiphy.available_antennas_rx; | |
a7ffac95 | 2399 | |
e35e4d28 | 2400 | result = rdev_set_antenna(rdev, tx_ant, rx_ant); |
afe0cbf8 | 2401 | if (result) |
7f2b8562 | 2402 | return result; |
afe0cbf8 BR |
2403 | } |
2404 | ||
b9a5f8ca JM |
2405 | changed = 0; |
2406 | ||
2407 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]) { | |
2408 | retry_short = nla_get_u8( | |
2409 | info->attrs[NL80211_ATTR_WIPHY_RETRY_SHORT]); | |
7f2b8562 YX |
2410 | if (retry_short == 0) |
2411 | return -EINVAL; | |
2412 | ||
b9a5f8ca JM |
2413 | changed |= WIPHY_PARAM_RETRY_SHORT; |
2414 | } | |
2415 | ||
2416 | if (info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]) { | |
2417 | retry_long = nla_get_u8( | |
2418 | info->attrs[NL80211_ATTR_WIPHY_RETRY_LONG]); | |
7f2b8562 YX |
2419 | if (retry_long == 0) |
2420 | return -EINVAL; | |
2421 | ||
b9a5f8ca JM |
2422 | changed |= WIPHY_PARAM_RETRY_LONG; |
2423 | } | |
2424 | ||
2425 | if (info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]) { | |
2426 | frag_threshold = nla_get_u32( | |
2427 | info->attrs[NL80211_ATTR_WIPHY_FRAG_THRESHOLD]); | |
7f2b8562 YX |
2428 | if (frag_threshold < 256) |
2429 | return -EINVAL; | |
2430 | ||
b9a5f8ca JM |
2431 | if (frag_threshold != (u32) -1) { |
2432 | /* | |
2433 | * Fragments (apart from the last one) are required to | |
2434 | * have even length. Make the fragmentation code | |
2435 | * simpler by stripping LSB should someone try to use | |
2436 | * odd threshold value. | |
2437 | */ | |
2438 | frag_threshold &= ~0x1; | |
2439 | } | |
2440 | changed |= WIPHY_PARAM_FRAG_THRESHOLD; | |
2441 | } | |
2442 | ||
2443 | if (info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]) { | |
2444 | rts_threshold = nla_get_u32( | |
2445 | info->attrs[NL80211_ATTR_WIPHY_RTS_THRESHOLD]); | |
2446 | changed |= WIPHY_PARAM_RTS_THRESHOLD; | |
2447 | } | |
2448 | ||
81077e82 | 2449 | if (info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]) { |
3057dbfd LB |
2450 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) |
2451 | return -EINVAL; | |
2452 | ||
81077e82 LT |
2453 | coverage_class = nla_get_u8( |
2454 | info->attrs[NL80211_ATTR_WIPHY_COVERAGE_CLASS]); | |
2455 | changed |= WIPHY_PARAM_COVERAGE_CLASS; | |
2456 | } | |
2457 | ||
3057dbfd LB |
2458 | if (info->attrs[NL80211_ATTR_WIPHY_DYN_ACK]) { |
2459 | if (!(rdev->wiphy.features & NL80211_FEATURE_ACKTO_ESTIMATION)) | |
2460 | return -EOPNOTSUPP; | |
2461 | ||
2462 | changed |= WIPHY_PARAM_DYN_ACK; | |
81077e82 LT |
2463 | } |
2464 | ||
b9a5f8ca JM |
2465 | if (changed) { |
2466 | u8 old_retry_short, old_retry_long; | |
2467 | u32 old_frag_threshold, old_rts_threshold; | |
81077e82 | 2468 | u8 old_coverage_class; |
b9a5f8ca | 2469 | |
7f2b8562 YX |
2470 | if (!rdev->ops->set_wiphy_params) |
2471 | return -EOPNOTSUPP; | |
b9a5f8ca JM |
2472 | |
2473 | old_retry_short = rdev->wiphy.retry_short; | |
2474 | old_retry_long = rdev->wiphy.retry_long; | |
2475 | old_frag_threshold = rdev->wiphy.frag_threshold; | |
2476 | old_rts_threshold = rdev->wiphy.rts_threshold; | |
81077e82 | 2477 | old_coverage_class = rdev->wiphy.coverage_class; |
b9a5f8ca JM |
2478 | |
2479 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
2480 | rdev->wiphy.retry_short = retry_short; | |
2481 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
2482 | rdev->wiphy.retry_long = retry_long; | |
2483 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) | |
2484 | rdev->wiphy.frag_threshold = frag_threshold; | |
2485 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) | |
2486 | rdev->wiphy.rts_threshold = rts_threshold; | |
81077e82 LT |
2487 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) |
2488 | rdev->wiphy.coverage_class = coverage_class; | |
b9a5f8ca | 2489 | |
e35e4d28 | 2490 | result = rdev_set_wiphy_params(rdev, changed); |
b9a5f8ca JM |
2491 | if (result) { |
2492 | rdev->wiphy.retry_short = old_retry_short; | |
2493 | rdev->wiphy.retry_long = old_retry_long; | |
2494 | rdev->wiphy.frag_threshold = old_frag_threshold; | |
2495 | rdev->wiphy.rts_threshold = old_rts_threshold; | |
81077e82 | 2496 | rdev->wiphy.coverage_class = old_coverage_class; |
9189ee31 | 2497 | return result; |
b9a5f8ca JM |
2498 | } |
2499 | } | |
7f2b8562 | 2500 | return 0; |
55682965 JB |
2501 | } |
2502 | ||
71bbc994 JB |
2503 | static inline u64 wdev_id(struct wireless_dev *wdev) |
2504 | { | |
2505 | return (u64)wdev->identifier | | |
f26cbf40 | 2506 | ((u64)wiphy_to_rdev(wdev->wiphy)->wiphy_idx << 32); |
71bbc994 | 2507 | } |
55682965 | 2508 | |
683b6d3b | 2509 | static int nl80211_send_chandef(struct sk_buff *msg, |
d2859df5 | 2510 | const struct cfg80211_chan_def *chandef) |
683b6d3b | 2511 | { |
601555cd JB |
2512 | if (WARN_ON(!cfg80211_chandef_valid(chandef))) |
2513 | return -EINVAL; | |
3d9d1d66 | 2514 | |
683b6d3b JB |
2515 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, |
2516 | chandef->chan->center_freq)) | |
2517 | return -ENOBUFS; | |
3d9d1d66 JB |
2518 | switch (chandef->width) { |
2519 | case NL80211_CHAN_WIDTH_20_NOHT: | |
2520 | case NL80211_CHAN_WIDTH_20: | |
2521 | case NL80211_CHAN_WIDTH_40: | |
2522 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, | |
2523 | cfg80211_get_chandef_type(chandef))) | |
2524 | return -ENOBUFS; | |
2525 | break; | |
2526 | default: | |
2527 | break; | |
2528 | } | |
2529 | if (nla_put_u32(msg, NL80211_ATTR_CHANNEL_WIDTH, chandef->width)) | |
2530 | return -ENOBUFS; | |
2531 | if (nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ1, chandef->center_freq1)) | |
2532 | return -ENOBUFS; | |
2533 | if (chandef->center_freq2 && | |
2534 | nla_put_u32(msg, NL80211_ATTR_CENTER_FREQ2, chandef->center_freq2)) | |
683b6d3b JB |
2535 | return -ENOBUFS; |
2536 | return 0; | |
2537 | } | |
2538 | ||
15e47304 | 2539 | static int nl80211_send_iface(struct sk_buff *msg, u32 portid, u32 seq, int flags, |
d726405a | 2540 | struct cfg80211_registered_device *rdev, |
8f894be2 | 2541 | struct wireless_dev *wdev, bool removal) |
55682965 | 2542 | { |
72fb2abc | 2543 | struct net_device *dev = wdev->netdev; |
8f894be2 | 2544 | u8 cmd = NL80211_CMD_NEW_INTERFACE; |
55682965 JB |
2545 | void *hdr; |
2546 | ||
8f894be2 TB |
2547 | if (removal) |
2548 | cmd = NL80211_CMD_DEL_INTERFACE; | |
2549 | ||
2550 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); | |
55682965 JB |
2551 | if (!hdr) |
2552 | return -1; | |
2553 | ||
72fb2abc JB |
2554 | if (dev && |
2555 | (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
98104fde | 2556 | nla_put_string(msg, NL80211_ATTR_IFNAME, dev->name))) |
72fb2abc JB |
2557 | goto nla_put_failure; |
2558 | ||
2559 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2560 | nla_put_u32(msg, NL80211_ATTR_IFTYPE, wdev->iftype) || | |
2dad624e ND |
2561 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
2562 | NL80211_ATTR_PAD) || | |
98104fde | 2563 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, wdev_address(wdev)) || |
9360ffd1 DM |
2564 | nla_put_u32(msg, NL80211_ATTR_GENERATION, |
2565 | rdev->devlist_generation ^ | |
2566 | (cfg80211_rdev_list_generation << 2))) | |
2567 | goto nla_put_failure; | |
f5ea9120 | 2568 | |
5b7ccaf3 | 2569 | if (rdev->ops->get_channel) { |
683b6d3b JB |
2570 | int ret; |
2571 | struct cfg80211_chan_def chandef; | |
2572 | ||
2573 | ret = rdev_get_channel(rdev, wdev, &chandef); | |
2574 | if (ret == 0) { | |
2575 | if (nl80211_send_chandef(msg, &chandef)) | |
2576 | goto nla_put_failure; | |
2577 | } | |
d91df0e3 PF |
2578 | } |
2579 | ||
d55d0d59 RM |
2580 | if (rdev->ops->get_tx_power) { |
2581 | int dbm, ret; | |
2582 | ||
2583 | ret = rdev_get_tx_power(rdev, wdev, &dbm); | |
2584 | if (ret == 0 && | |
2585 | nla_put_u32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL, | |
2586 | DBM_TO_MBM(dbm))) | |
2587 | goto nla_put_failure; | |
2588 | } | |
2589 | ||
b84e7a05 AQ |
2590 | if (wdev->ssid_len) { |
2591 | if (nla_put(msg, NL80211_ATTR_SSID, wdev->ssid_len, wdev->ssid)) | |
2592 | goto nla_put_failure; | |
2593 | } | |
2594 | ||
053c095a JB |
2595 | genlmsg_end(msg, hdr); |
2596 | return 0; | |
55682965 JB |
2597 | |
2598 | nla_put_failure: | |
bc3ed28c TG |
2599 | genlmsg_cancel(msg, hdr); |
2600 | return -EMSGSIZE; | |
55682965 JB |
2601 | } |
2602 | ||
2603 | static int nl80211_dump_interface(struct sk_buff *skb, struct netlink_callback *cb) | |
2604 | { | |
2605 | int wp_idx = 0; | |
2606 | int if_idx = 0; | |
2607 | int wp_start = cb->args[0]; | |
2608 | int if_start = cb->args[1]; | |
b7fb44da | 2609 | int filter_wiphy = -1; |
f5ea9120 | 2610 | struct cfg80211_registered_device *rdev; |
55682965 | 2611 | struct wireless_dev *wdev; |
ea90e0dc | 2612 | int ret; |
55682965 | 2613 | |
5fe231e8 | 2614 | rtnl_lock(); |
b7fb44da DK |
2615 | if (!cb->args[2]) { |
2616 | struct nl80211_dump_wiphy_state state = { | |
2617 | .filter_wiphy = -1, | |
2618 | }; | |
b7fb44da DK |
2619 | |
2620 | ret = nl80211_dump_wiphy_parse(skb, cb, &state); | |
2621 | if (ret) | |
ea90e0dc | 2622 | goto out_unlock; |
b7fb44da DK |
2623 | |
2624 | filter_wiphy = state.filter_wiphy; | |
2625 | ||
2626 | /* | |
2627 | * if filtering, set cb->args[2] to +1 since 0 is the default | |
2628 | * value needed to determine that parsing is necessary. | |
2629 | */ | |
2630 | if (filter_wiphy >= 0) | |
2631 | cb->args[2] = filter_wiphy + 1; | |
2632 | else | |
2633 | cb->args[2] = -1; | |
2634 | } else if (cb->args[2] > 0) { | |
2635 | filter_wiphy = cb->args[2] - 1; | |
2636 | } | |
2637 | ||
f5ea9120 JB |
2638 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { |
2639 | if (!net_eq(wiphy_net(&rdev->wiphy), sock_net(skb->sk))) | |
463d0183 | 2640 | continue; |
bba95fef JB |
2641 | if (wp_idx < wp_start) { |
2642 | wp_idx++; | |
55682965 | 2643 | continue; |
bba95fef | 2644 | } |
b7fb44da DK |
2645 | |
2646 | if (filter_wiphy >= 0 && filter_wiphy != rdev->wiphy_idx) | |
2647 | continue; | |
2648 | ||
55682965 JB |
2649 | if_idx = 0; |
2650 | ||
53873f13 | 2651 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
bba95fef JB |
2652 | if (if_idx < if_start) { |
2653 | if_idx++; | |
55682965 | 2654 | continue; |
bba95fef | 2655 | } |
15e47304 | 2656 | if (nl80211_send_iface(skb, NETLINK_CB(cb->skb).portid, |
55682965 | 2657 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
8f894be2 | 2658 | rdev, wdev, false) < 0) { |
bba95fef JB |
2659 | goto out; |
2660 | } | |
2661 | if_idx++; | |
55682965 | 2662 | } |
bba95fef JB |
2663 | |
2664 | wp_idx++; | |
55682965 | 2665 | } |
bba95fef | 2666 | out: |
55682965 JB |
2667 | cb->args[0] = wp_idx; |
2668 | cb->args[1] = if_idx; | |
2669 | ||
ea90e0dc JB |
2670 | ret = skb->len; |
2671 | out_unlock: | |
2672 | rtnl_unlock(); | |
2673 | ||
2674 | return ret; | |
55682965 JB |
2675 | } |
2676 | ||
2677 | static int nl80211_get_interface(struct sk_buff *skb, struct genl_info *info) | |
2678 | { | |
2679 | struct sk_buff *msg; | |
1b8ec87a | 2680 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
72fb2abc | 2681 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 2682 | |
fd2120ca | 2683 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 | 2684 | if (!msg) |
4c476991 | 2685 | return -ENOMEM; |
55682965 | 2686 | |
15e47304 | 2687 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
8f894be2 | 2688 | rdev, wdev, false) < 0) { |
4c476991 JB |
2689 | nlmsg_free(msg); |
2690 | return -ENOBUFS; | |
2691 | } | |
55682965 | 2692 | |
134e6375 | 2693 | return genlmsg_reply(msg, info); |
55682965 JB |
2694 | } |
2695 | ||
66f7ac50 MW |
2696 | static const struct nla_policy mntr_flags_policy[NL80211_MNTR_FLAG_MAX + 1] = { |
2697 | [NL80211_MNTR_FLAG_FCSFAIL] = { .type = NLA_FLAG }, | |
2698 | [NL80211_MNTR_FLAG_PLCPFAIL] = { .type = NLA_FLAG }, | |
2699 | [NL80211_MNTR_FLAG_CONTROL] = { .type = NLA_FLAG }, | |
2700 | [NL80211_MNTR_FLAG_OTHER_BSS] = { .type = NLA_FLAG }, | |
2701 | [NL80211_MNTR_FLAG_COOK_FRAMES] = { .type = NLA_FLAG }, | |
e057d3c3 | 2702 | [NL80211_MNTR_FLAG_ACTIVE] = { .type = NLA_FLAG }, |
66f7ac50 MW |
2703 | }; |
2704 | ||
2705 | static int parse_monitor_flags(struct nlattr *nla, u32 *mntrflags) | |
2706 | { | |
2707 | struct nlattr *flags[NL80211_MNTR_FLAG_MAX + 1]; | |
2708 | int flag; | |
2709 | ||
2710 | *mntrflags = 0; | |
2711 | ||
2712 | if (!nla) | |
2713 | return -EINVAL; | |
2714 | ||
fceb6435 JB |
2715 | if (nla_parse_nested(flags, NL80211_MNTR_FLAG_MAX, nla, |
2716 | mntr_flags_policy, NULL)) | |
66f7ac50 MW |
2717 | return -EINVAL; |
2718 | ||
2719 | for (flag = 1; flag <= NL80211_MNTR_FLAG_MAX; flag++) | |
2720 | if (flags[flag]) | |
2721 | *mntrflags |= (1<<flag); | |
2722 | ||
818a986e JB |
2723 | *mntrflags |= MONITOR_FLAG_CHANGED; |
2724 | ||
66f7ac50 MW |
2725 | return 0; |
2726 | } | |
2727 | ||
1db77596 JB |
2728 | static int nl80211_parse_mon_options(struct cfg80211_registered_device *rdev, |
2729 | enum nl80211_iftype type, | |
2730 | struct genl_info *info, | |
2731 | struct vif_params *params) | |
2732 | { | |
2733 | bool change = false; | |
2734 | int err; | |
2735 | ||
2736 | if (info->attrs[NL80211_ATTR_MNTR_FLAGS]) { | |
2737 | if (type != NL80211_IFTYPE_MONITOR) | |
2738 | return -EINVAL; | |
2739 | ||
2740 | err = parse_monitor_flags(info->attrs[NL80211_ATTR_MNTR_FLAGS], | |
2741 | ¶ms->flags); | |
2742 | if (err) | |
2743 | return err; | |
2744 | ||
2745 | change = true; | |
2746 | } | |
2747 | ||
2748 | if (params->flags & MONITOR_FLAG_ACTIVE && | |
2749 | !(rdev->wiphy.features & NL80211_FEATURE_ACTIVE_MONITOR)) | |
2750 | return -EOPNOTSUPP; | |
2751 | ||
2752 | if (info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]) { | |
2753 | const u8 *mumimo_groups; | |
2754 | u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER; | |
2755 | ||
2756 | if (type != NL80211_IFTYPE_MONITOR) | |
2757 | return -EINVAL; | |
2758 | ||
2759 | if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag)) | |
2760 | return -EOPNOTSUPP; | |
2761 | ||
2762 | mumimo_groups = | |
2763 | nla_data(info->attrs[NL80211_ATTR_MU_MIMO_GROUP_DATA]); | |
2764 | ||
2765 | /* bits 0 and 63 are reserved and must be zero */ | |
4954601f JB |
2766 | if ((mumimo_groups[0] & BIT(0)) || |
2767 | (mumimo_groups[VHT_MUMIMO_GROUPS_DATA_LEN - 1] & BIT(7))) | |
1db77596 JB |
2768 | return -EINVAL; |
2769 | ||
2770 | params->vht_mumimo_groups = mumimo_groups; | |
2771 | change = true; | |
2772 | } | |
2773 | ||
2774 | if (info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]) { | |
2775 | u32 cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER; | |
2776 | ||
2777 | if (type != NL80211_IFTYPE_MONITOR) | |
2778 | return -EINVAL; | |
2779 | ||
2780 | if (!wiphy_ext_feature_isset(&rdev->wiphy, cap_flag)) | |
2781 | return -EOPNOTSUPP; | |
2782 | ||
2783 | params->vht_mumimo_follow_addr = | |
2784 | nla_data(info->attrs[NL80211_ATTR_MU_MIMO_FOLLOW_MAC_ADDR]); | |
2785 | change = true; | |
2786 | } | |
2787 | ||
2788 | return change ? 1 : 0; | |
2789 | } | |
2790 | ||
9bc383de | 2791 | static int nl80211_valid_4addr(struct cfg80211_registered_device *rdev, |
ad4bb6f8 JB |
2792 | struct net_device *netdev, u8 use_4addr, |
2793 | enum nl80211_iftype iftype) | |
9bc383de | 2794 | { |
ad4bb6f8 | 2795 | if (!use_4addr) { |
f350a0a8 | 2796 | if (netdev && (netdev->priv_flags & IFF_BRIDGE_PORT)) |
ad4bb6f8 | 2797 | return -EBUSY; |
9bc383de | 2798 | return 0; |
ad4bb6f8 | 2799 | } |
9bc383de JB |
2800 | |
2801 | switch (iftype) { | |
2802 | case NL80211_IFTYPE_AP_VLAN: | |
2803 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_AP) | |
2804 | return 0; | |
2805 | break; | |
2806 | case NL80211_IFTYPE_STATION: | |
2807 | if (rdev->wiphy.flags & WIPHY_FLAG_4ADDR_STATION) | |
2808 | return 0; | |
2809 | break; | |
2810 | default: | |
2811 | break; | |
2812 | } | |
2813 | ||
2814 | return -EOPNOTSUPP; | |
2815 | } | |
2816 | ||
55682965 JB |
2817 | static int nl80211_set_interface(struct sk_buff *skb, struct genl_info *info) |
2818 | { | |
4c476991 | 2819 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2820 | struct vif_params params; |
e36d56b6 | 2821 | int err; |
04a773ad | 2822 | enum nl80211_iftype otype, ntype; |
4c476991 | 2823 | struct net_device *dev = info->user_ptr[1]; |
ac7f9cfa | 2824 | bool change = false; |
55682965 | 2825 | |
2ec600d6 LCC |
2826 | memset(¶ms, 0, sizeof(params)); |
2827 | ||
04a773ad | 2828 | otype = ntype = dev->ieee80211_ptr->iftype; |
55682965 | 2829 | |
723b038d | 2830 | if (info->attrs[NL80211_ATTR_IFTYPE]) { |
ac7f9cfa | 2831 | ntype = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); |
04a773ad | 2832 | if (otype != ntype) |
ac7f9cfa | 2833 | change = true; |
4c476991 JB |
2834 | if (ntype > NL80211_IFTYPE_MAX) |
2835 | return -EINVAL; | |
723b038d JB |
2836 | } |
2837 | ||
92ffe055 | 2838 | if (info->attrs[NL80211_ATTR_MESH_ID]) { |
29cbe68c JB |
2839 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
2840 | ||
4c476991 JB |
2841 | if (ntype != NL80211_IFTYPE_MESH_POINT) |
2842 | return -EINVAL; | |
29cbe68c JB |
2843 | if (netif_running(dev)) |
2844 | return -EBUSY; | |
2845 | ||
2846 | wdev_lock(wdev); | |
2847 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2848 | IEEE80211_MAX_MESH_ID_LEN); | |
2849 | wdev->mesh_id_up_len = | |
2850 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2851 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2852 | wdev->mesh_id_up_len); | |
2853 | wdev_unlock(wdev); | |
2ec600d6 LCC |
2854 | } |
2855 | ||
8b787643 FF |
2856 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
2857 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); | |
2858 | change = true; | |
ad4bb6f8 | 2859 | err = nl80211_valid_4addr(rdev, dev, params.use_4addr, ntype); |
9bc383de | 2860 | if (err) |
4c476991 | 2861 | return err; |
8b787643 FF |
2862 | } else { |
2863 | params.use_4addr = -1; | |
2864 | } | |
2865 | ||
1db77596 JB |
2866 | err = nl80211_parse_mon_options(rdev, ntype, info, ¶ms); |
2867 | if (err < 0) | |
2868 | return err; | |
2869 | if (err > 0) | |
c6e6a0c8 | 2870 | change = true; |
e057d3c3 | 2871 | |
ac7f9cfa | 2872 | if (change) |
818a986e | 2873 | err = cfg80211_change_iface(rdev, dev, ntype, ¶ms); |
ac7f9cfa JB |
2874 | else |
2875 | err = 0; | |
60719ffd | 2876 | |
9bc383de JB |
2877 | if (!err && params.use_4addr != -1) |
2878 | dev->ieee80211_ptr->use_4addr = params.use_4addr; | |
2879 | ||
55682965 JB |
2880 | return err; |
2881 | } | |
2882 | ||
2883 | static int nl80211_new_interface(struct sk_buff *skb, struct genl_info *info) | |
2884 | { | |
4c476991 | 2885 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 2886 | struct vif_params params; |
84efbb84 | 2887 | struct wireless_dev *wdev; |
896ff063 | 2888 | struct sk_buff *msg; |
55682965 JB |
2889 | int err; |
2890 | enum nl80211_iftype type = NL80211_IFTYPE_UNSPECIFIED; | |
2891 | ||
78f22b6a JB |
2892 | /* to avoid failing a new interface creation due to pending removal */ |
2893 | cfg80211_destroy_ifaces(rdev); | |
2894 | ||
2ec600d6 LCC |
2895 | memset(¶ms, 0, sizeof(params)); |
2896 | ||
55682965 JB |
2897 | if (!info->attrs[NL80211_ATTR_IFNAME]) |
2898 | return -EINVAL; | |
2899 | ||
2900 | if (info->attrs[NL80211_ATTR_IFTYPE]) { | |
2901 | type = nla_get_u32(info->attrs[NL80211_ATTR_IFTYPE]); | |
2902 | if (type > NL80211_IFTYPE_MAX) | |
2903 | return -EINVAL; | |
2904 | } | |
2905 | ||
79c97e97 | 2906 | if (!rdev->ops->add_virtual_intf || |
4c476991 JB |
2907 | !(rdev->wiphy.interface_modes & (1 << type))) |
2908 | return -EOPNOTSUPP; | |
55682965 | 2909 | |
cb3b7d87 | 2910 | if ((type == NL80211_IFTYPE_P2P_DEVICE || type == NL80211_IFTYPE_NAN || |
e8f479b1 BG |
2911 | rdev->wiphy.features & NL80211_FEATURE_MAC_ON_CREATE) && |
2912 | info->attrs[NL80211_ATTR_MAC]) { | |
1c18f145 AS |
2913 | nla_memcpy(params.macaddr, info->attrs[NL80211_ATTR_MAC], |
2914 | ETH_ALEN); | |
2915 | if (!is_valid_ether_addr(params.macaddr)) | |
2916 | return -EADDRNOTAVAIL; | |
2917 | } | |
2918 | ||
9bc383de | 2919 | if (info->attrs[NL80211_ATTR_4ADDR]) { |
8b787643 | 2920 | params.use_4addr = !!nla_get_u8(info->attrs[NL80211_ATTR_4ADDR]); |
ad4bb6f8 | 2921 | err = nl80211_valid_4addr(rdev, NULL, params.use_4addr, type); |
9bc383de | 2922 | if (err) |
4c476991 | 2923 | return err; |
9bc383de | 2924 | } |
8b787643 | 2925 | |
1db77596 JB |
2926 | err = nl80211_parse_mon_options(rdev, type, info, ¶ms); |
2927 | if (err < 0) | |
2928 | return err; | |
e057d3c3 | 2929 | |
a18c7192 JB |
2930 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2931 | if (!msg) | |
2932 | return -ENOMEM; | |
2933 | ||
e35e4d28 HG |
2934 | wdev = rdev_add_virtual_intf(rdev, |
2935 | nla_data(info->attrs[NL80211_ATTR_IFNAME]), | |
818a986e | 2936 | NET_NAME_USER, type, ¶ms); |
d687cbb7 RM |
2937 | if (WARN_ON(!wdev)) { |
2938 | nlmsg_free(msg); | |
2939 | return -EPROTO; | |
2940 | } else if (IS_ERR(wdev)) { | |
1c90f9d4 | 2941 | nlmsg_free(msg); |
84efbb84 | 2942 | return PTR_ERR(wdev); |
1c90f9d4 | 2943 | } |
2ec600d6 | 2944 | |
18e5ca65 | 2945 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
78f22b6a JB |
2946 | wdev->owner_nlportid = info->snd_portid; |
2947 | ||
98104fde JB |
2948 | switch (type) { |
2949 | case NL80211_IFTYPE_MESH_POINT: | |
2950 | if (!info->attrs[NL80211_ATTR_MESH_ID]) | |
2951 | break; | |
29cbe68c JB |
2952 | wdev_lock(wdev); |
2953 | BUILD_BUG_ON(IEEE80211_MAX_SSID_LEN != | |
2954 | IEEE80211_MAX_MESH_ID_LEN); | |
2955 | wdev->mesh_id_up_len = | |
2956 | nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
2957 | memcpy(wdev->ssid, nla_data(info->attrs[NL80211_ATTR_MESH_ID]), | |
2958 | wdev->mesh_id_up_len); | |
2959 | wdev_unlock(wdev); | |
98104fde | 2960 | break; |
cb3b7d87 | 2961 | case NL80211_IFTYPE_NAN: |
98104fde JB |
2962 | case NL80211_IFTYPE_P2P_DEVICE: |
2963 | /* | |
cb3b7d87 | 2964 | * P2P Device and NAN do not have a netdev, so don't go |
98104fde JB |
2965 | * through the netdev notifier and must be added here |
2966 | */ | |
2967 | mutex_init(&wdev->mtx); | |
2968 | INIT_LIST_HEAD(&wdev->event_list); | |
2969 | spin_lock_init(&wdev->event_lock); | |
2970 | INIT_LIST_HEAD(&wdev->mgmt_registrations); | |
2971 | spin_lock_init(&wdev->mgmt_registrations_lock); | |
2972 | ||
98104fde | 2973 | wdev->identifier = ++rdev->wdev_id; |
53873f13 | 2974 | list_add_rcu(&wdev->list, &rdev->wiphy.wdev_list); |
98104fde | 2975 | rdev->devlist_generation++; |
98104fde JB |
2976 | break; |
2977 | default: | |
2978 | break; | |
29cbe68c JB |
2979 | } |
2980 | ||
15e47304 | 2981 | if (nl80211_send_iface(msg, info->snd_portid, info->snd_seq, 0, |
8f894be2 | 2982 | rdev, wdev, false) < 0) { |
1c90f9d4 JB |
2983 | nlmsg_free(msg); |
2984 | return -ENOBUFS; | |
2985 | } | |
2986 | ||
896ff063 DK |
2987 | /* |
2988 | * For wdevs which have no associated netdev object (e.g. of type | |
2989 | * NL80211_IFTYPE_P2P_DEVICE), emit the NEW_INTERFACE event here. | |
2990 | * For all other types, the event will be generated from the | |
2991 | * netdev notifier | |
2992 | */ | |
2993 | if (!wdev->netdev) | |
2994 | nl80211_notify_iface(rdev, wdev, NL80211_CMD_NEW_INTERFACE); | |
8f894be2 | 2995 | |
1c90f9d4 | 2996 | return genlmsg_reply(msg, info); |
55682965 JB |
2997 | } |
2998 | ||
2999 | static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info) | |
3000 | { | |
4c476991 | 3001 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
84efbb84 | 3002 | struct wireless_dev *wdev = info->user_ptr[1]; |
55682965 | 3003 | |
4c476991 JB |
3004 | if (!rdev->ops->del_virtual_intf) |
3005 | return -EOPNOTSUPP; | |
55682965 | 3006 | |
84efbb84 JB |
3007 | /* |
3008 | * If we remove a wireless device without a netdev then clear | |
3009 | * user_ptr[1] so that nl80211_post_doit won't dereference it | |
3010 | * to check if it needs to do dev_put(). Otherwise it crashes | |
3011 | * since the wdev has been freed, unlike with a netdev where | |
3012 | * we need the dev_put() for the netdev to really be freed. | |
3013 | */ | |
3014 | if (!wdev->netdev) | |
3015 | info->user_ptr[1] = NULL; | |
3016 | ||
7f8ed01e | 3017 | return rdev_del_virtual_intf(rdev, wdev); |
55682965 JB |
3018 | } |
3019 | ||
1d9d9213 SW |
3020 | static int nl80211_set_noack_map(struct sk_buff *skb, struct genl_info *info) |
3021 | { | |
3022 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3023 | struct net_device *dev = info->user_ptr[1]; | |
3024 | u16 noack_map; | |
3025 | ||
3026 | if (!info->attrs[NL80211_ATTR_NOACK_MAP]) | |
3027 | return -EINVAL; | |
3028 | ||
3029 | if (!rdev->ops->set_noack_map) | |
3030 | return -EOPNOTSUPP; | |
3031 | ||
3032 | noack_map = nla_get_u16(info->attrs[NL80211_ATTR_NOACK_MAP]); | |
3033 | ||
e35e4d28 | 3034 | return rdev_set_noack_map(rdev, dev, noack_map); |
1d9d9213 SW |
3035 | } |
3036 | ||
41ade00f JB |
3037 | struct get_key_cookie { |
3038 | struct sk_buff *msg; | |
3039 | int error; | |
b9454e83 | 3040 | int idx; |
41ade00f JB |
3041 | }; |
3042 | ||
3043 | static void get_key_callback(void *c, struct key_params *params) | |
3044 | { | |
b9454e83 | 3045 | struct nlattr *key; |
41ade00f JB |
3046 | struct get_key_cookie *cookie = c; |
3047 | ||
9360ffd1 DM |
3048 | if ((params->key && |
3049 | nla_put(cookie->msg, NL80211_ATTR_KEY_DATA, | |
3050 | params->key_len, params->key)) || | |
3051 | (params->seq && | |
3052 | nla_put(cookie->msg, NL80211_ATTR_KEY_SEQ, | |
3053 | params->seq_len, params->seq)) || | |
3054 | (params->cipher && | |
3055 | nla_put_u32(cookie->msg, NL80211_ATTR_KEY_CIPHER, | |
3056 | params->cipher))) | |
3057 | goto nla_put_failure; | |
41ade00f | 3058 | |
b9454e83 JB |
3059 | key = nla_nest_start(cookie->msg, NL80211_ATTR_KEY); |
3060 | if (!key) | |
3061 | goto nla_put_failure; | |
3062 | ||
9360ffd1 DM |
3063 | if ((params->key && |
3064 | nla_put(cookie->msg, NL80211_KEY_DATA, | |
3065 | params->key_len, params->key)) || | |
3066 | (params->seq && | |
3067 | nla_put(cookie->msg, NL80211_KEY_SEQ, | |
3068 | params->seq_len, params->seq)) || | |
3069 | (params->cipher && | |
3070 | nla_put_u32(cookie->msg, NL80211_KEY_CIPHER, | |
3071 | params->cipher))) | |
3072 | goto nla_put_failure; | |
b9454e83 | 3073 | |
9360ffd1 DM |
3074 | if (nla_put_u8(cookie->msg, NL80211_ATTR_KEY_IDX, cookie->idx)) |
3075 | goto nla_put_failure; | |
b9454e83 JB |
3076 | |
3077 | nla_nest_end(cookie->msg, key); | |
3078 | ||
41ade00f JB |
3079 | return; |
3080 | nla_put_failure: | |
3081 | cookie->error = 1; | |
3082 | } | |
3083 | ||
3084 | static int nl80211_get_key(struct sk_buff *skb, struct genl_info *info) | |
3085 | { | |
4c476991 | 3086 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 3087 | int err; |
4c476991 | 3088 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3089 | u8 key_idx = 0; |
e31b8213 JB |
3090 | const u8 *mac_addr = NULL; |
3091 | bool pairwise; | |
41ade00f JB |
3092 | struct get_key_cookie cookie = { |
3093 | .error = 0, | |
3094 | }; | |
3095 | void *hdr; | |
3096 | struct sk_buff *msg; | |
3097 | ||
3098 | if (info->attrs[NL80211_ATTR_KEY_IDX]) | |
3099 | key_idx = nla_get_u8(info->attrs[NL80211_ATTR_KEY_IDX]); | |
3100 | ||
3cfcf6ac | 3101 | if (key_idx > 5) |
41ade00f JB |
3102 | return -EINVAL; |
3103 | ||
3104 | if (info->attrs[NL80211_ATTR_MAC]) | |
3105 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3106 | ||
e31b8213 JB |
3107 | pairwise = !!mac_addr; |
3108 | if (info->attrs[NL80211_ATTR_KEY_TYPE]) { | |
3109 | u32 kt = nla_get_u32(info->attrs[NL80211_ATTR_KEY_TYPE]); | |
7a087e74 | 3110 | |
e31b8213 JB |
3111 | if (kt >= NUM_NL80211_KEYTYPES) |
3112 | return -EINVAL; | |
3113 | if (kt != NL80211_KEYTYPE_GROUP && | |
3114 | kt != NL80211_KEYTYPE_PAIRWISE) | |
3115 | return -EINVAL; | |
3116 | pairwise = kt == NL80211_KEYTYPE_PAIRWISE; | |
3117 | } | |
3118 | ||
4c476991 JB |
3119 | if (!rdev->ops->get_key) |
3120 | return -EOPNOTSUPP; | |
41ade00f | 3121 | |
0fa7b391 JB |
3122 | if (!pairwise && mac_addr && !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) |
3123 | return -ENOENT; | |
3124 | ||
fd2120ca | 3125 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
3126 | if (!msg) |
3127 | return -ENOMEM; | |
41ade00f | 3128 | |
15e47304 | 3129 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
41ade00f | 3130 | NL80211_CMD_NEW_KEY); |
cb35fba3 | 3131 | if (!hdr) |
9fe271af | 3132 | goto nla_put_failure; |
41ade00f JB |
3133 | |
3134 | cookie.msg = msg; | |
b9454e83 | 3135 | cookie.idx = key_idx; |
41ade00f | 3136 | |
9360ffd1 DM |
3137 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
3138 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_idx)) | |
3139 | goto nla_put_failure; | |
3140 | if (mac_addr && | |
3141 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr)) | |
3142 | goto nla_put_failure; | |
41ade00f | 3143 | |
e35e4d28 HG |
3144 | err = rdev_get_key(rdev, dev, key_idx, pairwise, mac_addr, &cookie, |
3145 | get_key_callback); | |
41ade00f JB |
3146 | |
3147 | if (err) | |
6c95e2a2 | 3148 | goto free_msg; |
41ade00f JB |
3149 | |
3150 | if (cookie.error) | |
3151 | goto nla_put_failure; | |
3152 | ||
3153 | genlmsg_end(msg, hdr); | |
4c476991 | 3154 | return genlmsg_reply(msg, info); |
41ade00f JB |
3155 | |
3156 | nla_put_failure: | |
3157 | err = -ENOBUFS; | |
6c95e2a2 | 3158 | free_msg: |
41ade00f | 3159 | nlmsg_free(msg); |
41ade00f JB |
3160 | return err; |
3161 | } | |
3162 | ||
3163 | static int nl80211_set_key(struct sk_buff *skb, struct genl_info *info) | |
3164 | { | |
4c476991 | 3165 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
b9454e83 | 3166 | struct key_parse key; |
41ade00f | 3167 | int err; |
4c476991 | 3168 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3169 | |
b9454e83 JB |
3170 | err = nl80211_parse_key(info, &key); |
3171 | if (err) | |
3172 | return err; | |
41ade00f | 3173 | |
b9454e83 | 3174 | if (key.idx < 0) |
41ade00f JB |
3175 | return -EINVAL; |
3176 | ||
b9454e83 JB |
3177 | /* only support setting default key */ |
3178 | if (!key.def && !key.defmgmt) | |
41ade00f JB |
3179 | return -EINVAL; |
3180 | ||
dbd2fd65 | 3181 | wdev_lock(dev->ieee80211_ptr); |
3cfcf6ac | 3182 | |
dbd2fd65 JB |
3183 | if (key.def) { |
3184 | if (!rdev->ops->set_default_key) { | |
3185 | err = -EOPNOTSUPP; | |
3186 | goto out; | |
3187 | } | |
41ade00f | 3188 | |
dbd2fd65 JB |
3189 | err = nl80211_key_allowed(dev->ieee80211_ptr); |
3190 | if (err) | |
3191 | goto out; | |
3192 | ||
e35e4d28 | 3193 | err = rdev_set_default_key(rdev, dev, key.idx, |
dbd2fd65 JB |
3194 | key.def_uni, key.def_multi); |
3195 | ||
3196 | if (err) | |
3197 | goto out; | |
fffd0934 | 3198 | |
3d23e349 | 3199 | #ifdef CONFIG_CFG80211_WEXT |
dbd2fd65 JB |
3200 | dev->ieee80211_ptr->wext.default_key = key.idx; |
3201 | #endif | |
3202 | } else { | |
3203 | if (key.def_uni || !key.def_multi) { | |
3204 | err = -EINVAL; | |
3205 | goto out; | |
3206 | } | |
3207 | ||
3208 | if (!rdev->ops->set_default_mgmt_key) { | |
3209 | err = -EOPNOTSUPP; | |
3210 | goto out; | |
3211 | } | |
3212 | ||
3213 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
3214 | if (err) | |
3215 | goto out; | |
3216 | ||
e35e4d28 | 3217 | err = rdev_set_default_mgmt_key(rdev, dev, key.idx); |
dbd2fd65 JB |
3218 | if (err) |
3219 | goto out; | |
3220 | ||
3221 | #ifdef CONFIG_CFG80211_WEXT | |
3222 | dev->ieee80211_ptr->wext.default_mgmt_key = key.idx; | |
08645126 | 3223 | #endif |
dbd2fd65 JB |
3224 | } |
3225 | ||
3226 | out: | |
fffd0934 | 3227 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 3228 | |
41ade00f JB |
3229 | return err; |
3230 | } | |
3231 | ||
3232 | static int nl80211_new_key(struct sk_buff *skb, struct genl_info *info) | |
3233 | { | |
4c476991 | 3234 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fffd0934 | 3235 | int err; |
4c476991 | 3236 | struct net_device *dev = info->user_ptr[1]; |
b9454e83 | 3237 | struct key_parse key; |
e31b8213 | 3238 | const u8 *mac_addr = NULL; |
41ade00f | 3239 | |
b9454e83 JB |
3240 | err = nl80211_parse_key(info, &key); |
3241 | if (err) | |
3242 | return err; | |
41ade00f | 3243 | |
b9454e83 | 3244 | if (!key.p.key) |
41ade00f JB |
3245 | return -EINVAL; |
3246 | ||
41ade00f JB |
3247 | if (info->attrs[NL80211_ATTR_MAC]) |
3248 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3249 | ||
e31b8213 JB |
3250 | if (key.type == -1) { |
3251 | if (mac_addr) | |
3252 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
3253 | else | |
3254 | key.type = NL80211_KEYTYPE_GROUP; | |
3255 | } | |
3256 | ||
3257 | /* for now */ | |
3258 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
3259 | key.type != NL80211_KEYTYPE_GROUP) | |
3260 | return -EINVAL; | |
3261 | ||
4c476991 JB |
3262 | if (!rdev->ops->add_key) |
3263 | return -EOPNOTSUPP; | |
25e47c18 | 3264 | |
e31b8213 JB |
3265 | if (cfg80211_validate_key_settings(rdev, &key.p, key.idx, |
3266 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3267 | mac_addr)) | |
4c476991 | 3268 | return -EINVAL; |
41ade00f | 3269 | |
fffd0934 JB |
3270 | wdev_lock(dev->ieee80211_ptr); |
3271 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
3272 | if (!err) | |
e35e4d28 HG |
3273 | err = rdev_add_key(rdev, dev, key.idx, |
3274 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3275 | mac_addr, &key.p); | |
fffd0934 | 3276 | wdev_unlock(dev->ieee80211_ptr); |
41ade00f | 3277 | |
41ade00f JB |
3278 | return err; |
3279 | } | |
3280 | ||
3281 | static int nl80211_del_key(struct sk_buff *skb, struct genl_info *info) | |
3282 | { | |
4c476991 | 3283 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
41ade00f | 3284 | int err; |
4c476991 | 3285 | struct net_device *dev = info->user_ptr[1]; |
41ade00f | 3286 | u8 *mac_addr = NULL; |
b9454e83 | 3287 | struct key_parse key; |
41ade00f | 3288 | |
b9454e83 JB |
3289 | err = nl80211_parse_key(info, &key); |
3290 | if (err) | |
3291 | return err; | |
41ade00f JB |
3292 | |
3293 | if (info->attrs[NL80211_ATTR_MAC]) | |
3294 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
3295 | ||
e31b8213 JB |
3296 | if (key.type == -1) { |
3297 | if (mac_addr) | |
3298 | key.type = NL80211_KEYTYPE_PAIRWISE; | |
3299 | else | |
3300 | key.type = NL80211_KEYTYPE_GROUP; | |
3301 | } | |
3302 | ||
3303 | /* for now */ | |
3304 | if (key.type != NL80211_KEYTYPE_PAIRWISE && | |
3305 | key.type != NL80211_KEYTYPE_GROUP) | |
3306 | return -EINVAL; | |
3307 | ||
4c476991 JB |
3308 | if (!rdev->ops->del_key) |
3309 | return -EOPNOTSUPP; | |
41ade00f | 3310 | |
fffd0934 JB |
3311 | wdev_lock(dev->ieee80211_ptr); |
3312 | err = nl80211_key_allowed(dev->ieee80211_ptr); | |
e31b8213 | 3313 | |
0fa7b391 | 3314 | if (key.type == NL80211_KEYTYPE_GROUP && mac_addr && |
e31b8213 JB |
3315 | !(rdev->wiphy.flags & WIPHY_FLAG_IBSS_RSN)) |
3316 | err = -ENOENT; | |
3317 | ||
fffd0934 | 3318 | if (!err) |
e35e4d28 HG |
3319 | err = rdev_del_key(rdev, dev, key.idx, |
3320 | key.type == NL80211_KEYTYPE_PAIRWISE, | |
3321 | mac_addr); | |
41ade00f | 3322 | |
3d23e349 | 3323 | #ifdef CONFIG_CFG80211_WEXT |
08645126 | 3324 | if (!err) { |
b9454e83 | 3325 | if (key.idx == dev->ieee80211_ptr->wext.default_key) |
08645126 | 3326 | dev->ieee80211_ptr->wext.default_key = -1; |
b9454e83 | 3327 | else if (key.idx == dev->ieee80211_ptr->wext.default_mgmt_key) |
08645126 JB |
3328 | dev->ieee80211_ptr->wext.default_mgmt_key = -1; |
3329 | } | |
3330 | #endif | |
fffd0934 | 3331 | wdev_unlock(dev->ieee80211_ptr); |
08645126 | 3332 | |
41ade00f JB |
3333 | return err; |
3334 | } | |
3335 | ||
77765eaf VT |
3336 | /* This function returns an error or the number of nested attributes */ |
3337 | static int validate_acl_mac_addrs(struct nlattr *nl_attr) | |
3338 | { | |
3339 | struct nlattr *attr; | |
3340 | int n_entries = 0, tmp; | |
3341 | ||
3342 | nla_for_each_nested(attr, nl_attr, tmp) { | |
3343 | if (nla_len(attr) != ETH_ALEN) | |
3344 | return -EINVAL; | |
3345 | ||
3346 | n_entries++; | |
3347 | } | |
3348 | ||
3349 | return n_entries; | |
3350 | } | |
3351 | ||
3352 | /* | |
3353 | * This function parses ACL information and allocates memory for ACL data. | |
3354 | * On successful return, the calling function is responsible to free the | |
3355 | * ACL buffer returned by this function. | |
3356 | */ | |
3357 | static struct cfg80211_acl_data *parse_acl_data(struct wiphy *wiphy, | |
3358 | struct genl_info *info) | |
3359 | { | |
3360 | enum nl80211_acl_policy acl_policy; | |
3361 | struct nlattr *attr; | |
3362 | struct cfg80211_acl_data *acl; | |
3363 | int i = 0, n_entries, tmp; | |
3364 | ||
3365 | if (!wiphy->max_acl_mac_addrs) | |
3366 | return ERR_PTR(-EOPNOTSUPP); | |
3367 | ||
3368 | if (!info->attrs[NL80211_ATTR_ACL_POLICY]) | |
3369 | return ERR_PTR(-EINVAL); | |
3370 | ||
3371 | acl_policy = nla_get_u32(info->attrs[NL80211_ATTR_ACL_POLICY]); | |
3372 | if (acl_policy != NL80211_ACL_POLICY_ACCEPT_UNLESS_LISTED && | |
3373 | acl_policy != NL80211_ACL_POLICY_DENY_UNLESS_LISTED) | |
3374 | return ERR_PTR(-EINVAL); | |
3375 | ||
3376 | if (!info->attrs[NL80211_ATTR_MAC_ADDRS]) | |
3377 | return ERR_PTR(-EINVAL); | |
3378 | ||
3379 | n_entries = validate_acl_mac_addrs(info->attrs[NL80211_ATTR_MAC_ADDRS]); | |
3380 | if (n_entries < 0) | |
3381 | return ERR_PTR(n_entries); | |
3382 | ||
3383 | if (n_entries > wiphy->max_acl_mac_addrs) | |
3384 | return ERR_PTR(-ENOTSUPP); | |
3385 | ||
3386 | acl = kzalloc(sizeof(*acl) + (sizeof(struct mac_address) * n_entries), | |
3387 | GFP_KERNEL); | |
3388 | if (!acl) | |
3389 | return ERR_PTR(-ENOMEM); | |
3390 | ||
3391 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_MAC_ADDRS], tmp) { | |
3392 | memcpy(acl->mac_addrs[i].addr, nla_data(attr), ETH_ALEN); | |
3393 | i++; | |
3394 | } | |
3395 | ||
3396 | acl->n_acl_entries = n_entries; | |
3397 | acl->acl_policy = acl_policy; | |
3398 | ||
3399 | return acl; | |
3400 | } | |
3401 | ||
3402 | static int nl80211_set_mac_acl(struct sk_buff *skb, struct genl_info *info) | |
3403 | { | |
3404 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3405 | struct net_device *dev = info->user_ptr[1]; | |
3406 | struct cfg80211_acl_data *acl; | |
3407 | int err; | |
3408 | ||
3409 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3410 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3411 | return -EOPNOTSUPP; | |
3412 | ||
3413 | if (!dev->ieee80211_ptr->beacon_interval) | |
3414 | return -EINVAL; | |
3415 | ||
3416 | acl = parse_acl_data(&rdev->wiphy, info); | |
3417 | if (IS_ERR(acl)) | |
3418 | return PTR_ERR(acl); | |
3419 | ||
3420 | err = rdev_set_mac_acl(rdev, dev, acl); | |
3421 | ||
3422 | kfree(acl); | |
3423 | ||
3424 | return err; | |
3425 | } | |
3426 | ||
a7c7fbff PK |
3427 | static u32 rateset_to_mask(struct ieee80211_supported_band *sband, |
3428 | u8 *rates, u8 rates_len) | |
3429 | { | |
3430 | u8 i; | |
3431 | u32 mask = 0; | |
3432 | ||
3433 | for (i = 0; i < rates_len; i++) { | |
3434 | int rate = (rates[i] & 0x7f) * 5; | |
3435 | int ridx; | |
3436 | ||
3437 | for (ridx = 0; ridx < sband->n_bitrates; ridx++) { | |
3438 | struct ieee80211_rate *srate = | |
3439 | &sband->bitrates[ridx]; | |
3440 | if (rate == srate->bitrate) { | |
3441 | mask |= 1 << ridx; | |
3442 | break; | |
3443 | } | |
3444 | } | |
3445 | if (ridx == sband->n_bitrates) | |
3446 | return 0; /* rate not found */ | |
3447 | } | |
3448 | ||
3449 | return mask; | |
3450 | } | |
3451 | ||
3452 | static bool ht_rateset_to_mask(struct ieee80211_supported_band *sband, | |
3453 | u8 *rates, u8 rates_len, | |
3454 | u8 mcs[IEEE80211_HT_MCS_MASK_LEN]) | |
3455 | { | |
3456 | u8 i; | |
3457 | ||
3458 | memset(mcs, 0, IEEE80211_HT_MCS_MASK_LEN); | |
3459 | ||
3460 | for (i = 0; i < rates_len; i++) { | |
3461 | int ridx, rbit; | |
3462 | ||
3463 | ridx = rates[i] / 8; | |
3464 | rbit = BIT(rates[i] % 8); | |
3465 | ||
3466 | /* check validity */ | |
3467 | if ((ridx < 0) || (ridx >= IEEE80211_HT_MCS_MASK_LEN)) | |
3468 | return false; | |
3469 | ||
3470 | /* check availability */ | |
3471 | if (sband->ht_cap.mcs.rx_mask[ridx] & rbit) | |
3472 | mcs[ridx] |= rbit; | |
3473 | else | |
3474 | return false; | |
3475 | } | |
3476 | ||
3477 | return true; | |
3478 | } | |
3479 | ||
3480 | static u16 vht_mcs_map_to_mcs_mask(u8 vht_mcs_map) | |
3481 | { | |
3482 | u16 mcs_mask = 0; | |
3483 | ||
3484 | switch (vht_mcs_map) { | |
3485 | case IEEE80211_VHT_MCS_NOT_SUPPORTED: | |
3486 | break; | |
3487 | case IEEE80211_VHT_MCS_SUPPORT_0_7: | |
3488 | mcs_mask = 0x00FF; | |
3489 | break; | |
3490 | case IEEE80211_VHT_MCS_SUPPORT_0_8: | |
3491 | mcs_mask = 0x01FF; | |
3492 | break; | |
3493 | case IEEE80211_VHT_MCS_SUPPORT_0_9: | |
3494 | mcs_mask = 0x03FF; | |
3495 | break; | |
3496 | default: | |
3497 | break; | |
3498 | } | |
3499 | ||
3500 | return mcs_mask; | |
3501 | } | |
3502 | ||
3503 | static void vht_build_mcs_mask(u16 vht_mcs_map, | |
3504 | u16 vht_mcs_mask[NL80211_VHT_NSS_MAX]) | |
3505 | { | |
3506 | u8 nss; | |
3507 | ||
3508 | for (nss = 0; nss < NL80211_VHT_NSS_MAX; nss++) { | |
3509 | vht_mcs_mask[nss] = vht_mcs_map_to_mcs_mask(vht_mcs_map & 0x03); | |
3510 | vht_mcs_map >>= 2; | |
3511 | } | |
3512 | } | |
3513 | ||
3514 | static bool vht_set_mcs_mask(struct ieee80211_supported_band *sband, | |
3515 | struct nl80211_txrate_vht *txrate, | |
3516 | u16 mcs[NL80211_VHT_NSS_MAX]) | |
3517 | { | |
3518 | u16 tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
3519 | u16 tx_mcs_mask[NL80211_VHT_NSS_MAX] = {}; | |
3520 | u8 i; | |
3521 | ||
3522 | if (!sband->vht_cap.vht_supported) | |
3523 | return false; | |
3524 | ||
3525 | memset(mcs, 0, sizeof(u16) * NL80211_VHT_NSS_MAX); | |
3526 | ||
3527 | /* Build vht_mcs_mask from VHT capabilities */ | |
3528 | vht_build_mcs_mask(tx_mcs_map, tx_mcs_mask); | |
3529 | ||
3530 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
3531 | if ((tx_mcs_mask[i] & txrate->mcs[i]) == txrate->mcs[i]) | |
3532 | mcs[i] = txrate->mcs[i]; | |
3533 | else | |
3534 | return false; | |
3535 | } | |
3536 | ||
3537 | return true; | |
3538 | } | |
3539 | ||
3540 | static const struct nla_policy nl80211_txattr_policy[NL80211_TXRATE_MAX + 1] = { | |
3541 | [NL80211_TXRATE_LEGACY] = { .type = NLA_BINARY, | |
3542 | .len = NL80211_MAX_SUPP_RATES }, | |
3543 | [NL80211_TXRATE_HT] = { .type = NLA_BINARY, | |
3544 | .len = NL80211_MAX_SUPP_HT_RATES }, | |
3545 | [NL80211_TXRATE_VHT] = { .len = sizeof(struct nl80211_txrate_vht)}, | |
3546 | [NL80211_TXRATE_GI] = { .type = NLA_U8 }, | |
3547 | }; | |
3548 | ||
3549 | static int nl80211_parse_tx_bitrate_mask(struct genl_info *info, | |
3550 | struct cfg80211_bitrate_mask *mask) | |
3551 | { | |
3552 | struct nlattr *tb[NL80211_TXRATE_MAX + 1]; | |
3553 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3554 | int rem, i; | |
3555 | struct nlattr *tx_rates; | |
3556 | struct ieee80211_supported_band *sband; | |
3557 | u16 vht_tx_mcs_map; | |
3558 | ||
3559 | memset(mask, 0, sizeof(*mask)); | |
3560 | /* Default to all rates enabled */ | |
3561 | for (i = 0; i < NUM_NL80211_BANDS; i++) { | |
3562 | sband = rdev->wiphy.bands[i]; | |
3563 | ||
3564 | if (!sband) | |
3565 | continue; | |
3566 | ||
3567 | mask->control[i].legacy = (1 << sband->n_bitrates) - 1; | |
3568 | memcpy(mask->control[i].ht_mcs, | |
3569 | sband->ht_cap.mcs.rx_mask, | |
3570 | sizeof(mask->control[i].ht_mcs)); | |
3571 | ||
3572 | if (!sband->vht_cap.vht_supported) | |
3573 | continue; | |
3574 | ||
3575 | vht_tx_mcs_map = le16_to_cpu(sband->vht_cap.vht_mcs.tx_mcs_map); | |
3576 | vht_build_mcs_mask(vht_tx_mcs_map, mask->control[i].vht_mcs); | |
3577 | } | |
3578 | ||
3579 | /* if no rates are given set it back to the defaults */ | |
3580 | if (!info->attrs[NL80211_ATTR_TX_RATES]) | |
3581 | goto out; | |
3582 | ||
3583 | /* The nested attribute uses enum nl80211_band as the index. This maps | |
3584 | * directly to the enum nl80211_band values used in cfg80211. | |
3585 | */ | |
3586 | BUILD_BUG_ON(NL80211_MAX_SUPP_HT_RATES > IEEE80211_HT_MCS_MASK_LEN * 8); | |
3587 | nla_for_each_nested(tx_rates, info->attrs[NL80211_ATTR_TX_RATES], rem) { | |
3588 | enum nl80211_band band = nla_type(tx_rates); | |
3589 | int err; | |
3590 | ||
3591 | if (band < 0 || band >= NUM_NL80211_BANDS) | |
3592 | return -EINVAL; | |
3593 | sband = rdev->wiphy.bands[band]; | |
3594 | if (sband == NULL) | |
3595 | return -EINVAL; | |
bfe2c7b1 | 3596 | err = nla_parse_nested(tb, NL80211_TXRATE_MAX, tx_rates, |
fe52145f | 3597 | nl80211_txattr_policy, info->extack); |
a7c7fbff PK |
3598 | if (err) |
3599 | return err; | |
3600 | if (tb[NL80211_TXRATE_LEGACY]) { | |
3601 | mask->control[band].legacy = rateset_to_mask( | |
3602 | sband, | |
3603 | nla_data(tb[NL80211_TXRATE_LEGACY]), | |
3604 | nla_len(tb[NL80211_TXRATE_LEGACY])); | |
3605 | if ((mask->control[band].legacy == 0) && | |
3606 | nla_len(tb[NL80211_TXRATE_LEGACY])) | |
3607 | return -EINVAL; | |
3608 | } | |
3609 | if (tb[NL80211_TXRATE_HT]) { | |
3610 | if (!ht_rateset_to_mask( | |
3611 | sband, | |
3612 | nla_data(tb[NL80211_TXRATE_HT]), | |
3613 | nla_len(tb[NL80211_TXRATE_HT]), | |
3614 | mask->control[band].ht_mcs)) | |
3615 | return -EINVAL; | |
3616 | } | |
3617 | if (tb[NL80211_TXRATE_VHT]) { | |
3618 | if (!vht_set_mcs_mask( | |
3619 | sband, | |
3620 | nla_data(tb[NL80211_TXRATE_VHT]), | |
3621 | mask->control[band].vht_mcs)) | |
3622 | return -EINVAL; | |
3623 | } | |
3624 | if (tb[NL80211_TXRATE_GI]) { | |
3625 | mask->control[band].gi = | |
3626 | nla_get_u8(tb[NL80211_TXRATE_GI]); | |
3627 | if (mask->control[band].gi > NL80211_TXRATE_FORCE_LGI) | |
3628 | return -EINVAL; | |
3629 | } | |
3630 | ||
3631 | if (mask->control[band].legacy == 0) { | |
3632 | /* don't allow empty legacy rates if HT or VHT | |
3633 | * are not even supported. | |
3634 | */ | |
3635 | if (!(rdev->wiphy.bands[band]->ht_cap.ht_supported || | |
3636 | rdev->wiphy.bands[band]->vht_cap.vht_supported)) | |
3637 | return -EINVAL; | |
3638 | ||
3639 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) | |
3640 | if (mask->control[band].ht_mcs[i]) | |
3641 | goto out; | |
3642 | ||
3643 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) | |
3644 | if (mask->control[band].vht_mcs[i]) | |
3645 | goto out; | |
3646 | ||
3647 | /* legacy and mcs rates may not be both empty */ | |
3648 | return -EINVAL; | |
3649 | } | |
3650 | } | |
3651 | ||
3652 | out: | |
3653 | return 0; | |
3654 | } | |
3655 | ||
8564e382 JB |
3656 | static int validate_beacon_tx_rate(struct cfg80211_registered_device *rdev, |
3657 | enum nl80211_band band, | |
3658 | struct cfg80211_bitrate_mask *beacon_rate) | |
a7c7fbff | 3659 | { |
8564e382 JB |
3660 | u32 count_ht, count_vht, i; |
3661 | u32 rate = beacon_rate->control[band].legacy; | |
a7c7fbff PK |
3662 | |
3663 | /* Allow only one rate */ | |
3664 | if (hweight32(rate) > 1) | |
3665 | return -EINVAL; | |
3666 | ||
3667 | count_ht = 0; | |
3668 | for (i = 0; i < IEEE80211_HT_MCS_MASK_LEN; i++) { | |
8564e382 | 3669 | if (hweight8(beacon_rate->control[band].ht_mcs[i]) > 1) { |
a7c7fbff | 3670 | return -EINVAL; |
8564e382 | 3671 | } else if (beacon_rate->control[band].ht_mcs[i]) { |
a7c7fbff PK |
3672 | count_ht++; |
3673 | if (count_ht > 1) | |
3674 | return -EINVAL; | |
3675 | } | |
3676 | if (count_ht && rate) | |
3677 | return -EINVAL; | |
3678 | } | |
3679 | ||
3680 | count_vht = 0; | |
3681 | for (i = 0; i < NL80211_VHT_NSS_MAX; i++) { | |
8564e382 | 3682 | if (hweight16(beacon_rate->control[band].vht_mcs[i]) > 1) { |
a7c7fbff | 3683 | return -EINVAL; |
8564e382 | 3684 | } else if (beacon_rate->control[band].vht_mcs[i]) { |
a7c7fbff PK |
3685 | count_vht++; |
3686 | if (count_vht > 1) | |
3687 | return -EINVAL; | |
3688 | } | |
3689 | if (count_vht && rate) | |
3690 | return -EINVAL; | |
3691 | } | |
3692 | ||
3693 | if ((count_ht && count_vht) || (!rate && !count_ht && !count_vht)) | |
3694 | return -EINVAL; | |
3695 | ||
8564e382 JB |
3696 | if (rate && |
3697 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
3698 | NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) | |
3699 | return -EINVAL; | |
3700 | if (count_ht && | |
3701 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
3702 | NL80211_EXT_FEATURE_BEACON_RATE_HT)) | |
3703 | return -EINVAL; | |
3704 | if (count_vht && | |
3705 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
3706 | NL80211_EXT_FEATURE_BEACON_RATE_VHT)) | |
3707 | return -EINVAL; | |
3708 | ||
a7c7fbff PK |
3709 | return 0; |
3710 | } | |
3711 | ||
a1193be8 | 3712 | static int nl80211_parse_beacon(struct nlattr *attrs[], |
8860020e | 3713 | struct cfg80211_beacon_data *bcn) |
ed1b6cc7 | 3714 | { |
8860020e | 3715 | bool haveinfo = false; |
ed1b6cc7 | 3716 | |
a1193be8 SW |
3717 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_BEACON_TAIL]) || |
3718 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE]) || | |
3719 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_PROBE_RESP]) || | |
3720 | !is_valid_ie_attr(attrs[NL80211_ATTR_IE_ASSOC_RESP])) | |
f4a11bb0 JB |
3721 | return -EINVAL; |
3722 | ||
8860020e | 3723 | memset(bcn, 0, sizeof(*bcn)); |
ed1b6cc7 | 3724 | |
a1193be8 SW |
3725 | if (attrs[NL80211_ATTR_BEACON_HEAD]) { |
3726 | bcn->head = nla_data(attrs[NL80211_ATTR_BEACON_HEAD]); | |
3727 | bcn->head_len = nla_len(attrs[NL80211_ATTR_BEACON_HEAD]); | |
8860020e JB |
3728 | if (!bcn->head_len) |
3729 | return -EINVAL; | |
3730 | haveinfo = true; | |
ed1b6cc7 JB |
3731 | } |
3732 | ||
a1193be8 SW |
3733 | if (attrs[NL80211_ATTR_BEACON_TAIL]) { |
3734 | bcn->tail = nla_data(attrs[NL80211_ATTR_BEACON_TAIL]); | |
3735 | bcn->tail_len = nla_len(attrs[NL80211_ATTR_BEACON_TAIL]); | |
8860020e | 3736 | haveinfo = true; |
ed1b6cc7 JB |
3737 | } |
3738 | ||
4c476991 JB |
3739 | if (!haveinfo) |
3740 | return -EINVAL; | |
3b85875a | 3741 | |
a1193be8 SW |
3742 | if (attrs[NL80211_ATTR_IE]) { |
3743 | bcn->beacon_ies = nla_data(attrs[NL80211_ATTR_IE]); | |
3744 | bcn->beacon_ies_len = nla_len(attrs[NL80211_ATTR_IE]); | |
9946ecfb JM |
3745 | } |
3746 | ||
a1193be8 | 3747 | if (attrs[NL80211_ATTR_IE_PROBE_RESP]) { |
8860020e | 3748 | bcn->proberesp_ies = |
a1193be8 | 3749 | nla_data(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
8860020e | 3750 | bcn->proberesp_ies_len = |
a1193be8 | 3751 | nla_len(attrs[NL80211_ATTR_IE_PROBE_RESP]); |
9946ecfb JM |
3752 | } |
3753 | ||
a1193be8 | 3754 | if (attrs[NL80211_ATTR_IE_ASSOC_RESP]) { |
8860020e | 3755 | bcn->assocresp_ies = |
a1193be8 | 3756 | nla_data(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
8860020e | 3757 | bcn->assocresp_ies_len = |
a1193be8 | 3758 | nla_len(attrs[NL80211_ATTR_IE_ASSOC_RESP]); |
9946ecfb JM |
3759 | } |
3760 | ||
a1193be8 SW |
3761 | if (attrs[NL80211_ATTR_PROBE_RESP]) { |
3762 | bcn->probe_resp = nla_data(attrs[NL80211_ATTR_PROBE_RESP]); | |
3763 | bcn->probe_resp_len = nla_len(attrs[NL80211_ATTR_PROBE_RESP]); | |
00f740e1 AN |
3764 | } |
3765 | ||
8860020e JB |
3766 | return 0; |
3767 | } | |
3768 | ||
66cd794e JB |
3769 | static void nl80211_check_ap_rate_selectors(struct cfg80211_ap_settings *params, |
3770 | const u8 *rates) | |
3771 | { | |
3772 | int i; | |
3773 | ||
3774 | if (!rates) | |
3775 | return; | |
3776 | ||
3777 | for (i = 0; i < rates[1]; i++) { | |
3778 | if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_HT_PHY) | |
3779 | params->ht_required = true; | |
3780 | if (rates[2 + i] == BSS_MEMBERSHIP_SELECTOR_VHT_PHY) | |
3781 | params->vht_required = true; | |
3782 | } | |
3783 | } | |
3784 | ||
3785 | /* | |
3786 | * Since the nl80211 API didn't include, from the beginning, attributes about | |
3787 | * HT/VHT requirements/capabilities, we parse them out of the IEs for the | |
3788 | * benefit of drivers that rebuild IEs in the firmware. | |
3789 | */ | |
3790 | static void nl80211_calculate_ap_params(struct cfg80211_ap_settings *params) | |
3791 | { | |
3792 | const struct cfg80211_beacon_data *bcn = ¶ms->beacon; | |
3793 | size_t ies_len = bcn->beacon_ies_len; | |
3794 | const u8 *ies = bcn->beacon_ies; | |
3795 | const u8 *rates; | |
3796 | const u8 *cap; | |
3797 | ||
3798 | rates = cfg80211_find_ie(WLAN_EID_SUPP_RATES, ies, ies_len); | |
3799 | nl80211_check_ap_rate_selectors(params, rates); | |
3800 | ||
3801 | rates = cfg80211_find_ie(WLAN_EID_EXT_SUPP_RATES, ies, ies_len); | |
3802 | nl80211_check_ap_rate_selectors(params, rates); | |
3803 | ||
3804 | cap = cfg80211_find_ie(WLAN_EID_HT_CAPABILITY, ies, ies_len); | |
3805 | if (cap && cap[1] >= sizeof(*params->ht_cap)) | |
3806 | params->ht_cap = (void *)(cap + 2); | |
3807 | cap = cfg80211_find_ie(WLAN_EID_VHT_CAPABILITY, ies, ies_len); | |
3808 | if (cap && cap[1] >= sizeof(*params->vht_cap)) | |
3809 | params->vht_cap = (void *)(cap + 2); | |
3810 | } | |
3811 | ||
46c1dd0c FF |
3812 | static bool nl80211_get_ap_channel(struct cfg80211_registered_device *rdev, |
3813 | struct cfg80211_ap_settings *params) | |
3814 | { | |
3815 | struct wireless_dev *wdev; | |
3816 | bool ret = false; | |
3817 | ||
53873f13 | 3818 | list_for_each_entry(wdev, &rdev->wiphy.wdev_list, list) { |
46c1dd0c FF |
3819 | if (wdev->iftype != NL80211_IFTYPE_AP && |
3820 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
3821 | continue; | |
3822 | ||
683b6d3b | 3823 | if (!wdev->preset_chandef.chan) |
46c1dd0c FF |
3824 | continue; |
3825 | ||
683b6d3b | 3826 | params->chandef = wdev->preset_chandef; |
46c1dd0c FF |
3827 | ret = true; |
3828 | break; | |
3829 | } | |
3830 | ||
46c1dd0c FF |
3831 | return ret; |
3832 | } | |
3833 | ||
e39e5b5e JM |
3834 | static bool nl80211_valid_auth_type(struct cfg80211_registered_device *rdev, |
3835 | enum nl80211_auth_type auth_type, | |
3836 | enum nl80211_commands cmd) | |
3837 | { | |
3838 | if (auth_type > NL80211_AUTHTYPE_MAX) | |
3839 | return false; | |
3840 | ||
3841 | switch (cmd) { | |
3842 | case NL80211_CMD_AUTHENTICATE: | |
3843 | if (!(rdev->wiphy.features & NL80211_FEATURE_SAE) && | |
3844 | auth_type == NL80211_AUTHTYPE_SAE) | |
3845 | return false; | |
63181060 JM |
3846 | if (!wiphy_ext_feature_isset(&rdev->wiphy, |
3847 | NL80211_EXT_FEATURE_FILS_STA) && | |
3848 | (auth_type == NL80211_AUTHTYPE_FILS_SK || | |
3849 | auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
3850 | auth_type == NL80211_AUTHTYPE_FILS_PK)) | |
3851 | return false; | |
e39e5b5e JM |
3852 | return true; |
3853 | case NL80211_CMD_CONNECT: | |
a3caf744 VK |
3854 | /* SAE not supported yet */ |
3855 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
3856 | return false; | |
3857 | /* FILS with SK PFS or PK not supported yet */ | |
3858 | if (auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
3859 | auth_type == NL80211_AUTHTYPE_FILS_PK) | |
3860 | return false; | |
3861 | if (!wiphy_ext_feature_isset( | |
3862 | &rdev->wiphy, | |
3863 | NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) && | |
3864 | auth_type == NL80211_AUTHTYPE_FILS_SK) | |
3865 | return false; | |
3866 | return true; | |
e39e5b5e JM |
3867 | case NL80211_CMD_START_AP: |
3868 | /* SAE not supported yet */ | |
3869 | if (auth_type == NL80211_AUTHTYPE_SAE) | |
3870 | return false; | |
63181060 JM |
3871 | /* FILS not supported yet */ |
3872 | if (auth_type == NL80211_AUTHTYPE_FILS_SK || | |
3873 | auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
3874 | auth_type == NL80211_AUTHTYPE_FILS_PK) | |
3875 | return false; | |
e39e5b5e JM |
3876 | return true; |
3877 | default: | |
3878 | return false; | |
3879 | } | |
3880 | } | |
3881 | ||
8860020e JB |
3882 | static int nl80211_start_ap(struct sk_buff *skb, struct genl_info *info) |
3883 | { | |
3884 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
3885 | struct net_device *dev = info->user_ptr[1]; | |
3886 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
3887 | struct cfg80211_ap_settings params; | |
3888 | int err; | |
3889 | ||
3890 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
3891 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3892 | return -EOPNOTSUPP; | |
3893 | ||
3894 | if (!rdev->ops->start_ap) | |
3895 | return -EOPNOTSUPP; | |
3896 | ||
3897 | if (wdev->beacon_interval) | |
3898 | return -EALREADY; | |
3899 | ||
3900 | memset(¶ms, 0, sizeof(params)); | |
3901 | ||
3902 | /* these are required for START_AP */ | |
3903 | if (!info->attrs[NL80211_ATTR_BEACON_INTERVAL] || | |
3904 | !info->attrs[NL80211_ATTR_DTIM_PERIOD] || | |
3905 | !info->attrs[NL80211_ATTR_BEACON_HEAD]) | |
3906 | return -EINVAL; | |
3907 | ||
a1193be8 | 3908 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon); |
8860020e JB |
3909 | if (err) |
3910 | return err; | |
3911 | ||
3912 | params.beacon_interval = | |
3913 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
3914 | params.dtim_period = | |
3915 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
3916 | ||
0c317a02 PK |
3917 | err = cfg80211_validate_beacon_int(rdev, dev->ieee80211_ptr->iftype, |
3918 | params.beacon_interval); | |
8860020e JB |
3919 | if (err) |
3920 | return err; | |
3921 | ||
3922 | /* | |
3923 | * In theory, some of these attributes should be required here | |
3924 | * but since they were not used when the command was originally | |
3925 | * added, keep them optional for old user space programs to let | |
3926 | * them continue to work with drivers that do not need the | |
3927 | * additional information -- drivers must check! | |
3928 | */ | |
3929 | if (info->attrs[NL80211_ATTR_SSID]) { | |
3930 | params.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
3931 | params.ssid_len = | |
3932 | nla_len(info->attrs[NL80211_ATTR_SSID]); | |
3933 | if (params.ssid_len == 0 || | |
3934 | params.ssid_len > IEEE80211_MAX_SSID_LEN) | |
3935 | return -EINVAL; | |
3936 | } | |
3937 | ||
3938 | if (info->attrs[NL80211_ATTR_HIDDEN_SSID]) { | |
3939 | params.hidden_ssid = nla_get_u32( | |
3940 | info->attrs[NL80211_ATTR_HIDDEN_SSID]); | |
3941 | if (params.hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE && | |
3942 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_LEN && | |
3943 | params.hidden_ssid != NL80211_HIDDEN_SSID_ZERO_CONTENTS) | |
3944 | return -EINVAL; | |
3945 | } | |
3946 | ||
3947 | params.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; | |
3948 | ||
3949 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
3950 | params.auth_type = nla_get_u32( | |
3951 | info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
3952 | if (!nl80211_valid_auth_type(rdev, params.auth_type, |
3953 | NL80211_CMD_START_AP)) | |
8860020e JB |
3954 | return -EINVAL; |
3955 | } else | |
3956 | params.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
3957 | ||
3958 | err = nl80211_crypto_settings(rdev, info, ¶ms.crypto, | |
3959 | NL80211_MAX_NR_CIPHER_SUITES); | |
3960 | if (err) | |
3961 | return err; | |
3962 | ||
1b658f11 VT |
3963 | if (info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]) { |
3964 | if (!(rdev->wiphy.features & NL80211_FEATURE_INACTIVITY_TIMER)) | |
3965 | return -EOPNOTSUPP; | |
3966 | params.inactivity_timeout = nla_get_u16( | |
3967 | info->attrs[NL80211_ATTR_INACTIVITY_TIMEOUT]); | |
3968 | } | |
3969 | ||
53cabad7 JB |
3970 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
3971 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3972 | return -EINVAL; | |
3973 | params.p2p_ctwindow = | |
3974 | nla_get_u8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
3975 | if (params.p2p_ctwindow > 127) | |
3976 | return -EINVAL; | |
3977 | if (params.p2p_ctwindow != 0 && | |
3978 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
3979 | return -EINVAL; | |
3980 | } | |
3981 | ||
3982 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
3983 | u8 tmp; | |
3984 | ||
3985 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
3986 | return -EINVAL; | |
3987 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
3988 | if (tmp > 1) | |
3989 | return -EINVAL; | |
3990 | params.p2p_opp_ps = tmp; | |
3991 | if (params.p2p_opp_ps != 0 && | |
3992 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
3993 | return -EINVAL; | |
3994 | } | |
3995 | ||
aa430da4 | 3996 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
3997 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
3998 | if (err) | |
3999 | return err; | |
4000 | } else if (wdev->preset_chandef.chan) { | |
4001 | params.chandef = wdev->preset_chandef; | |
46c1dd0c | 4002 | } else if (!nl80211_get_ap_channel(rdev, ¶ms)) |
aa430da4 JB |
4003 | return -EINVAL; |
4004 | ||
923b352f AN |
4005 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, |
4006 | wdev->iftype)) | |
aa430da4 JB |
4007 | return -EINVAL; |
4008 | ||
a7c7fbff PK |
4009 | if (info->attrs[NL80211_ATTR_TX_RATES]) { |
4010 | err = nl80211_parse_tx_bitrate_mask(info, ¶ms.beacon_rate); | |
4011 | if (err) | |
4012 | return err; | |
4013 | ||
8564e382 JB |
4014 | err = validate_beacon_tx_rate(rdev, params.chandef.chan->band, |
4015 | ¶ms.beacon_rate); | |
a7c7fbff PK |
4016 | if (err) |
4017 | return err; | |
4018 | } | |
4019 | ||
18998c38 EP |
4020 | if (info->attrs[NL80211_ATTR_SMPS_MODE]) { |
4021 | params.smps_mode = | |
4022 | nla_get_u8(info->attrs[NL80211_ATTR_SMPS_MODE]); | |
4023 | switch (params.smps_mode) { | |
4024 | case NL80211_SMPS_OFF: | |
4025 | break; | |
4026 | case NL80211_SMPS_STATIC: | |
4027 | if (!(rdev->wiphy.features & | |
4028 | NL80211_FEATURE_STATIC_SMPS)) | |
4029 | return -EINVAL; | |
4030 | break; | |
4031 | case NL80211_SMPS_DYNAMIC: | |
4032 | if (!(rdev->wiphy.features & | |
4033 | NL80211_FEATURE_DYNAMIC_SMPS)) | |
4034 | return -EINVAL; | |
4035 | break; | |
4036 | default: | |
4037 | return -EINVAL; | |
4038 | } | |
4039 | } else { | |
4040 | params.smps_mode = NL80211_SMPS_OFF; | |
4041 | } | |
4042 | ||
6e8ef842 PK |
4043 | params.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]); |
4044 | if (params.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) | |
4045 | return -EOPNOTSUPP; | |
4046 | ||
4baf6bea OO |
4047 | if (info->attrs[NL80211_ATTR_ACL_POLICY]) { |
4048 | params.acl = parse_acl_data(&rdev->wiphy, info); | |
4049 | if (IS_ERR(params.acl)) | |
4050 | return PTR_ERR(params.acl); | |
4051 | } | |
4052 | ||
66cd794e JB |
4053 | nl80211_calculate_ap_params(¶ms); |
4054 | ||
c56589ed | 4055 | wdev_lock(wdev); |
e35e4d28 | 4056 | err = rdev_start_ap(rdev, dev, ¶ms); |
46c1dd0c | 4057 | if (!err) { |
683b6d3b | 4058 | wdev->preset_chandef = params.chandef; |
8860020e | 4059 | wdev->beacon_interval = params.beacon_interval; |
9e0e2961 | 4060 | wdev->chandef = params.chandef; |
06e191e2 AQ |
4061 | wdev->ssid_len = params.ssid_len; |
4062 | memcpy(wdev->ssid, params.ssid, wdev->ssid_len); | |
46c1dd0c | 4063 | } |
c56589ed | 4064 | wdev_unlock(wdev); |
77765eaf VT |
4065 | |
4066 | kfree(params.acl); | |
4067 | ||
56d1893d | 4068 | return err; |
ed1b6cc7 JB |
4069 | } |
4070 | ||
8860020e JB |
4071 | static int nl80211_set_beacon(struct sk_buff *skb, struct genl_info *info) |
4072 | { | |
4073 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
4074 | struct net_device *dev = info->user_ptr[1]; | |
4075 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
4076 | struct cfg80211_beacon_data params; | |
4077 | int err; | |
4078 | ||
4079 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
4080 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
4081 | return -EOPNOTSUPP; | |
4082 | ||
4083 | if (!rdev->ops->change_beacon) | |
4084 | return -EOPNOTSUPP; | |
4085 | ||
4086 | if (!wdev->beacon_interval) | |
4087 | return -EINVAL; | |
4088 | ||
a1193be8 | 4089 | err = nl80211_parse_beacon(info->attrs, ¶ms); |
8860020e JB |
4090 | if (err) |
4091 | return err; | |
4092 | ||
c56589ed SW |
4093 | wdev_lock(wdev); |
4094 | err = rdev_change_beacon(rdev, dev, ¶ms); | |
4095 | wdev_unlock(wdev); | |
4096 | ||
4097 | return err; | |
8860020e JB |
4098 | } |
4099 | ||
4100 | static int nl80211_stop_ap(struct sk_buff *skb, struct genl_info *info) | |
ed1b6cc7 | 4101 | { |
4c476991 JB |
4102 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4103 | struct net_device *dev = info->user_ptr[1]; | |
ed1b6cc7 | 4104 | |
7c8d5e03 | 4105 | return cfg80211_stop_ap(rdev, dev, false); |
ed1b6cc7 JB |
4106 | } |
4107 | ||
5727ef1b JB |
4108 | static const struct nla_policy sta_flags_policy[NL80211_STA_FLAG_MAX + 1] = { |
4109 | [NL80211_STA_FLAG_AUTHORIZED] = { .type = NLA_FLAG }, | |
4110 | [NL80211_STA_FLAG_SHORT_PREAMBLE] = { .type = NLA_FLAG }, | |
4111 | [NL80211_STA_FLAG_WME] = { .type = NLA_FLAG }, | |
0e46724a | 4112 | [NL80211_STA_FLAG_MFP] = { .type = NLA_FLAG }, |
b39c48fa | 4113 | [NL80211_STA_FLAG_AUTHENTICATED] = { .type = NLA_FLAG }, |
d83023da | 4114 | [NL80211_STA_FLAG_TDLS_PEER] = { .type = NLA_FLAG }, |
5727ef1b JB |
4115 | }; |
4116 | ||
eccb8e8f | 4117 | static int parse_station_flags(struct genl_info *info, |
bdd3ae3d | 4118 | enum nl80211_iftype iftype, |
eccb8e8f | 4119 | struct station_parameters *params) |
5727ef1b JB |
4120 | { |
4121 | struct nlattr *flags[NL80211_STA_FLAG_MAX + 1]; | |
eccb8e8f | 4122 | struct nlattr *nla; |
5727ef1b JB |
4123 | int flag; |
4124 | ||
eccb8e8f JB |
4125 | /* |
4126 | * Try parsing the new attribute first so userspace | |
4127 | * can specify both for older kernels. | |
4128 | */ | |
4129 | nla = info->attrs[NL80211_ATTR_STA_FLAGS2]; | |
4130 | if (nla) { | |
4131 | struct nl80211_sta_flag_update *sta_flags; | |
4132 | ||
4133 | sta_flags = nla_data(nla); | |
4134 | params->sta_flags_mask = sta_flags->mask; | |
4135 | params->sta_flags_set = sta_flags->set; | |
77ee7c89 | 4136 | params->sta_flags_set &= params->sta_flags_mask; |
eccb8e8f JB |
4137 | if ((params->sta_flags_mask | |
4138 | params->sta_flags_set) & BIT(__NL80211_STA_FLAG_INVALID)) | |
4139 | return -EINVAL; | |
4140 | return 0; | |
4141 | } | |
4142 | ||
4143 | /* if present, parse the old attribute */ | |
5727ef1b | 4144 | |
eccb8e8f | 4145 | nla = info->attrs[NL80211_ATTR_STA_FLAGS]; |
5727ef1b JB |
4146 | if (!nla) |
4147 | return 0; | |
4148 | ||
fceb6435 | 4149 | if (nla_parse_nested(flags, NL80211_STA_FLAG_MAX, nla, |
fe52145f | 4150 | sta_flags_policy, info->extack)) |
5727ef1b JB |
4151 | return -EINVAL; |
4152 | ||
bdd3ae3d JB |
4153 | /* |
4154 | * Only allow certain flags for interface types so that | |
4155 | * other attributes are silently ignored. Remember that | |
4156 | * this is backward compatibility code with old userspace | |
4157 | * and shouldn't be hit in other cases anyway. | |
4158 | */ | |
4159 | switch (iftype) { | |
4160 | case NL80211_IFTYPE_AP: | |
4161 | case NL80211_IFTYPE_AP_VLAN: | |
4162 | case NL80211_IFTYPE_P2P_GO: | |
4163 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4164 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
4165 | BIT(NL80211_STA_FLAG_WME) | | |
4166 | BIT(NL80211_STA_FLAG_MFP); | |
4167 | break; | |
4168 | case NL80211_IFTYPE_P2P_CLIENT: | |
4169 | case NL80211_IFTYPE_STATION: | |
4170 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4171 | BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4172 | break; | |
4173 | case NL80211_IFTYPE_MESH_POINT: | |
4174 | params->sta_flags_mask = BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4175 | BIT(NL80211_STA_FLAG_MFP) | | |
4176 | BIT(NL80211_STA_FLAG_AUTHORIZED); | |
4177 | default: | |
4178 | return -EINVAL; | |
4179 | } | |
5727ef1b | 4180 | |
3383b5a6 JB |
4181 | for (flag = 1; flag <= NL80211_STA_FLAG_MAX; flag++) { |
4182 | if (flags[flag]) { | |
eccb8e8f | 4183 | params->sta_flags_set |= (1<<flag); |
5727ef1b | 4184 | |
3383b5a6 JB |
4185 | /* no longer support new API additions in old API */ |
4186 | if (flag > NL80211_STA_FLAG_MAX_OLD_API) | |
4187 | return -EINVAL; | |
4188 | } | |
4189 | } | |
4190 | ||
5727ef1b JB |
4191 | return 0; |
4192 | } | |
4193 | ||
c8dcfd8a FF |
4194 | static bool nl80211_put_sta_rate(struct sk_buff *msg, struct rate_info *info, |
4195 | int attr) | |
4196 | { | |
4197 | struct nlattr *rate; | |
8eb41c8d VK |
4198 | u32 bitrate; |
4199 | u16 bitrate_compat; | |
bbf67e45 | 4200 | enum nl80211_rate_info rate_flg; |
c8dcfd8a FF |
4201 | |
4202 | rate = nla_nest_start(msg, attr); | |
4203 | if (!rate) | |
db9c64cf | 4204 | return false; |
c8dcfd8a FF |
4205 | |
4206 | /* cfg80211_calculate_bitrate will return 0 for mcs >= 32 */ | |
4207 | bitrate = cfg80211_calculate_bitrate(info); | |
8eb41c8d VK |
4208 | /* report 16-bit bitrate only if we can */ |
4209 | bitrate_compat = bitrate < (1UL << 16) ? bitrate : 0; | |
db9c64cf JB |
4210 | if (bitrate > 0 && |
4211 | nla_put_u32(msg, NL80211_RATE_INFO_BITRATE32, bitrate)) | |
4212 | return false; | |
4213 | if (bitrate_compat > 0 && | |
4214 | nla_put_u16(msg, NL80211_RATE_INFO_BITRATE, bitrate_compat)) | |
4215 | return false; | |
4216 | ||
b51f3bee JB |
4217 | switch (info->bw) { |
4218 | case RATE_INFO_BW_5: | |
4219 | rate_flg = NL80211_RATE_INFO_5_MHZ_WIDTH; | |
4220 | break; | |
4221 | case RATE_INFO_BW_10: | |
4222 | rate_flg = NL80211_RATE_INFO_10_MHZ_WIDTH; | |
4223 | break; | |
4224 | default: | |
4225 | WARN_ON(1); | |
4226 | /* fall through */ | |
4227 | case RATE_INFO_BW_20: | |
4228 | rate_flg = 0; | |
4229 | break; | |
4230 | case RATE_INFO_BW_40: | |
4231 | rate_flg = NL80211_RATE_INFO_40_MHZ_WIDTH; | |
4232 | break; | |
4233 | case RATE_INFO_BW_80: | |
4234 | rate_flg = NL80211_RATE_INFO_80_MHZ_WIDTH; | |
4235 | break; | |
4236 | case RATE_INFO_BW_160: | |
4237 | rate_flg = NL80211_RATE_INFO_160_MHZ_WIDTH; | |
4238 | break; | |
4239 | } | |
4240 | ||
4241 | if (rate_flg && nla_put_flag(msg, rate_flg)) | |
4242 | return false; | |
4243 | ||
db9c64cf JB |
4244 | if (info->flags & RATE_INFO_FLAGS_MCS) { |
4245 | if (nla_put_u8(msg, NL80211_RATE_INFO_MCS, info->mcs)) | |
4246 | return false; | |
db9c64cf JB |
4247 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && |
4248 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
4249 | return false; | |
4250 | } else if (info->flags & RATE_INFO_FLAGS_VHT_MCS) { | |
4251 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_MCS, info->mcs)) | |
4252 | return false; | |
4253 | if (nla_put_u8(msg, NL80211_RATE_INFO_VHT_NSS, info->nss)) | |
4254 | return false; | |
db9c64cf JB |
4255 | if (info->flags & RATE_INFO_FLAGS_SHORT_GI && |
4256 | nla_put_flag(msg, NL80211_RATE_INFO_SHORT_GI)) | |
4257 | return false; | |
4258 | } | |
c8dcfd8a FF |
4259 | |
4260 | nla_nest_end(msg, rate); | |
4261 | return true; | |
c8dcfd8a FF |
4262 | } |
4263 | ||
119363c7 FF |
4264 | static bool nl80211_put_signal(struct sk_buff *msg, u8 mask, s8 *signal, |
4265 | int id) | |
4266 | { | |
4267 | void *attr; | |
4268 | int i = 0; | |
4269 | ||
4270 | if (!mask) | |
4271 | return true; | |
4272 | ||
4273 | attr = nla_nest_start(msg, id); | |
4274 | if (!attr) | |
4275 | return false; | |
4276 | ||
4277 | for (i = 0; i < IEEE80211_MAX_CHAINS; i++) { | |
4278 | if (!(mask & BIT(i))) | |
4279 | continue; | |
4280 | ||
4281 | if (nla_put_u8(msg, i, signal[i])) | |
4282 | return false; | |
4283 | } | |
4284 | ||
4285 | nla_nest_end(msg, attr); | |
4286 | ||
4287 | return true; | |
4288 | } | |
4289 | ||
cf5ead82 JB |
4290 | static int nl80211_send_station(struct sk_buff *msg, u32 cmd, u32 portid, |
4291 | u32 seq, int flags, | |
66266b3a JL |
4292 | struct cfg80211_registered_device *rdev, |
4293 | struct net_device *dev, | |
98b62183 | 4294 | const u8 *mac_addr, struct station_info *sinfo) |
fd5b74dc JB |
4295 | { |
4296 | void *hdr; | |
f4263c98 | 4297 | struct nlattr *sinfoattr, *bss_param; |
fd5b74dc | 4298 | |
cf5ead82 | 4299 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
fd5b74dc JB |
4300 | if (!hdr) |
4301 | return -1; | |
4302 | ||
9360ffd1 DM |
4303 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
4304 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
4305 | nla_put_u32(msg, NL80211_ATTR_GENERATION, sinfo->generation)) | |
4306 | goto nla_put_failure; | |
f5ea9120 | 4307 | |
2ec600d6 LCC |
4308 | sinfoattr = nla_nest_start(msg, NL80211_ATTR_STA_INFO); |
4309 | if (!sinfoattr) | |
fd5b74dc | 4310 | goto nla_put_failure; |
319090bf JB |
4311 | |
4312 | #define PUT_SINFO(attr, memb, type) do { \ | |
d686b920 | 4313 | BUILD_BUG_ON(sizeof(type) == sizeof(u64)); \ |
739960f1 | 4314 | if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \ |
319090bf JB |
4315 | nla_put_ ## type(msg, NL80211_STA_INFO_ ## attr, \ |
4316 | sinfo->memb)) \ | |
4317 | goto nla_put_failure; \ | |
4318 | } while (0) | |
d686b920 JB |
4319 | #define PUT_SINFO_U64(attr, memb) do { \ |
4320 | if (sinfo->filled & (1ULL << NL80211_STA_INFO_ ## attr) && \ | |
4321 | nla_put_u64_64bit(msg, NL80211_STA_INFO_ ## attr, \ | |
4322 | sinfo->memb, NL80211_STA_INFO_PAD)) \ | |
4323 | goto nla_put_failure; \ | |
4324 | } while (0) | |
319090bf JB |
4325 | |
4326 | PUT_SINFO(CONNECTED_TIME, connected_time, u32); | |
4327 | PUT_SINFO(INACTIVE_TIME, inactive_time, u32); | |
4328 | ||
4329 | if (sinfo->filled & (BIT(NL80211_STA_INFO_RX_BYTES) | | |
4330 | BIT(NL80211_STA_INFO_RX_BYTES64)) && | |
9360ffd1 | 4331 | nla_put_u32(msg, NL80211_STA_INFO_RX_BYTES, |
42745e03 | 4332 | (u32)sinfo->rx_bytes)) |
9360ffd1 | 4333 | goto nla_put_failure; |
319090bf JB |
4334 | |
4335 | if (sinfo->filled & (BIT(NL80211_STA_INFO_TX_BYTES) | | |
4336 | BIT(NL80211_STA_INFO_TX_BYTES64)) && | |
9360ffd1 | 4337 | nla_put_u32(msg, NL80211_STA_INFO_TX_BYTES, |
42745e03 VK |
4338 | (u32)sinfo->tx_bytes)) |
4339 | goto nla_put_failure; | |
319090bf | 4340 | |
d686b920 JB |
4341 | PUT_SINFO_U64(RX_BYTES64, rx_bytes); |
4342 | PUT_SINFO_U64(TX_BYTES64, tx_bytes); | |
319090bf JB |
4343 | PUT_SINFO(LLID, llid, u16); |
4344 | PUT_SINFO(PLID, plid, u16); | |
4345 | PUT_SINFO(PLINK_STATE, plink_state, u8); | |
d686b920 | 4346 | PUT_SINFO_U64(RX_DURATION, rx_duration); |
319090bf | 4347 | |
66266b3a JL |
4348 | switch (rdev->wiphy.signal_type) { |
4349 | case CFG80211_SIGNAL_TYPE_MBM: | |
319090bf JB |
4350 | PUT_SINFO(SIGNAL, signal, u8); |
4351 | PUT_SINFO(SIGNAL_AVG, signal_avg, u8); | |
66266b3a JL |
4352 | break; |
4353 | default: | |
4354 | break; | |
4355 | } | |
319090bf | 4356 | if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL)) { |
119363c7 FF |
4357 | if (!nl80211_put_signal(msg, sinfo->chains, |
4358 | sinfo->chain_signal, | |
4359 | NL80211_STA_INFO_CHAIN_SIGNAL)) | |
4360 | goto nla_put_failure; | |
4361 | } | |
319090bf | 4362 | if (sinfo->filled & BIT(NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) { |
119363c7 FF |
4363 | if (!nl80211_put_signal(msg, sinfo->chains, |
4364 | sinfo->chain_signal_avg, | |
4365 | NL80211_STA_INFO_CHAIN_SIGNAL_AVG)) | |
4366 | goto nla_put_failure; | |
4367 | } | |
319090bf | 4368 | if (sinfo->filled & BIT(NL80211_STA_INFO_TX_BITRATE)) { |
c8dcfd8a FF |
4369 | if (!nl80211_put_sta_rate(msg, &sinfo->txrate, |
4370 | NL80211_STA_INFO_TX_BITRATE)) | |
4371 | goto nla_put_failure; | |
4372 | } | |
319090bf | 4373 | if (sinfo->filled & BIT(NL80211_STA_INFO_RX_BITRATE)) { |
c8dcfd8a FF |
4374 | if (!nl80211_put_sta_rate(msg, &sinfo->rxrate, |
4375 | NL80211_STA_INFO_RX_BITRATE)) | |
420e7fab | 4376 | goto nla_put_failure; |
420e7fab | 4377 | } |
319090bf JB |
4378 | |
4379 | PUT_SINFO(RX_PACKETS, rx_packets, u32); | |
4380 | PUT_SINFO(TX_PACKETS, tx_packets, u32); | |
4381 | PUT_SINFO(TX_RETRIES, tx_retries, u32); | |
4382 | PUT_SINFO(TX_FAILED, tx_failed, u32); | |
4383 | PUT_SINFO(EXPECTED_THROUGHPUT, expected_throughput, u32); | |
4384 | PUT_SINFO(BEACON_LOSS, beacon_loss_count, u32); | |
4385 | PUT_SINFO(LOCAL_PM, local_pm, u32); | |
4386 | PUT_SINFO(PEER_PM, peer_pm, u32); | |
4387 | PUT_SINFO(NONPEER_PM, nonpeer_pm, u32); | |
4388 | ||
4389 | if (sinfo->filled & BIT(NL80211_STA_INFO_BSS_PARAM)) { | |
f4263c98 PS |
4390 | bss_param = nla_nest_start(msg, NL80211_STA_INFO_BSS_PARAM); |
4391 | if (!bss_param) | |
4392 | goto nla_put_failure; | |
4393 | ||
9360ffd1 DM |
4394 | if (((sinfo->bss_param.flags & BSS_PARAM_FLAGS_CTS_PROT) && |
4395 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_CTS_PROT)) || | |
4396 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_PREAMBLE) && | |
4397 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_PREAMBLE)) || | |
4398 | ((sinfo->bss_param.flags & BSS_PARAM_FLAGS_SHORT_SLOT_TIME) && | |
4399 | nla_put_flag(msg, NL80211_STA_BSS_PARAM_SHORT_SLOT_TIME)) || | |
4400 | nla_put_u8(msg, NL80211_STA_BSS_PARAM_DTIM_PERIOD, | |
4401 | sinfo->bss_param.dtim_period) || | |
4402 | nla_put_u16(msg, NL80211_STA_BSS_PARAM_BEACON_INTERVAL, | |
4403 | sinfo->bss_param.beacon_interval)) | |
4404 | goto nla_put_failure; | |
f4263c98 PS |
4405 | |
4406 | nla_nest_end(msg, bss_param); | |
4407 | } | |
319090bf | 4408 | if ((sinfo->filled & BIT(NL80211_STA_INFO_STA_FLAGS)) && |
9360ffd1 DM |
4409 | nla_put(msg, NL80211_STA_INFO_STA_FLAGS, |
4410 | sizeof(struct nl80211_sta_flag_update), | |
4411 | &sinfo->sta_flags)) | |
4412 | goto nla_put_failure; | |
319090bf | 4413 | |
d686b920 JB |
4414 | PUT_SINFO_U64(T_OFFSET, t_offset); |
4415 | PUT_SINFO_U64(RX_DROP_MISC, rx_dropped_misc); | |
4416 | PUT_SINFO_U64(BEACON_RX, rx_beacon); | |
a76b1942 | 4417 | PUT_SINFO(BEACON_SIGNAL_AVG, rx_beacon_signal_avg, u8); |
319090bf JB |
4418 | |
4419 | #undef PUT_SINFO | |
d686b920 | 4420 | #undef PUT_SINFO_U64 |
6de39808 JB |
4421 | |
4422 | if (sinfo->filled & BIT(NL80211_STA_INFO_TID_STATS)) { | |
4423 | struct nlattr *tidsattr; | |
4424 | int tid; | |
4425 | ||
4426 | tidsattr = nla_nest_start(msg, NL80211_STA_INFO_TID_STATS); | |
4427 | if (!tidsattr) | |
4428 | goto nla_put_failure; | |
4429 | ||
4430 | for (tid = 0; tid < IEEE80211_NUM_TIDS + 1; tid++) { | |
4431 | struct cfg80211_tid_stats *tidstats; | |
4432 | struct nlattr *tidattr; | |
4433 | ||
4434 | tidstats = &sinfo->pertid[tid]; | |
4435 | ||
4436 | if (!tidstats->filled) | |
4437 | continue; | |
4438 | ||
4439 | tidattr = nla_nest_start(msg, tid + 1); | |
4440 | if (!tidattr) | |
4441 | goto nla_put_failure; | |
4442 | ||
d686b920 | 4443 | #define PUT_TIDVAL_U64(attr, memb) do { \ |
6de39808 | 4444 | if (tidstats->filled & BIT(NL80211_TID_STATS_ ## attr) && \ |
d686b920 JB |
4445 | nla_put_u64_64bit(msg, NL80211_TID_STATS_ ## attr, \ |
4446 | tidstats->memb, NL80211_TID_STATS_PAD)) \ | |
6de39808 JB |
4447 | goto nla_put_failure; \ |
4448 | } while (0) | |
4449 | ||
d686b920 JB |
4450 | PUT_TIDVAL_U64(RX_MSDU, rx_msdu); |
4451 | PUT_TIDVAL_U64(TX_MSDU, tx_msdu); | |
4452 | PUT_TIDVAL_U64(TX_MSDU_RETRIES, tx_msdu_retries); | |
4453 | PUT_TIDVAL_U64(TX_MSDU_FAILED, tx_msdu_failed); | |
6de39808 | 4454 | |
d686b920 | 4455 | #undef PUT_TIDVAL_U64 |
6de39808 JB |
4456 | nla_nest_end(msg, tidattr); |
4457 | } | |
4458 | ||
4459 | nla_nest_end(msg, tidsattr); | |
4460 | } | |
4461 | ||
2ec600d6 | 4462 | nla_nest_end(msg, sinfoattr); |
fd5b74dc | 4463 | |
319090bf | 4464 | if (sinfo->assoc_req_ies_len && |
9360ffd1 DM |
4465 | nla_put(msg, NL80211_ATTR_IE, sinfo->assoc_req_ies_len, |
4466 | sinfo->assoc_req_ies)) | |
4467 | goto nla_put_failure; | |
50d3dfb7 | 4468 | |
053c095a JB |
4469 | genlmsg_end(msg, hdr); |
4470 | return 0; | |
fd5b74dc JB |
4471 | |
4472 | nla_put_failure: | |
bc3ed28c TG |
4473 | genlmsg_cancel(msg, hdr); |
4474 | return -EMSGSIZE; | |
fd5b74dc JB |
4475 | } |
4476 | ||
2ec600d6 | 4477 | static int nl80211_dump_station(struct sk_buff *skb, |
bba95fef | 4478 | struct netlink_callback *cb) |
2ec600d6 | 4479 | { |
2ec600d6 | 4480 | struct station_info sinfo; |
1b8ec87a | 4481 | struct cfg80211_registered_device *rdev; |
97990a06 | 4482 | struct wireless_dev *wdev; |
2ec600d6 | 4483 | u8 mac_addr[ETH_ALEN]; |
97990a06 | 4484 | int sta_idx = cb->args[2]; |
2ec600d6 | 4485 | int err; |
2ec600d6 | 4486 | |
ea90e0dc | 4487 | rtnl_lock(); |
1b8ec87a | 4488 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 | 4489 | if (err) |
ea90e0dc | 4490 | goto out_err; |
bba95fef | 4491 | |
97990a06 JB |
4492 | if (!wdev->netdev) { |
4493 | err = -EINVAL; | |
4494 | goto out_err; | |
4495 | } | |
4496 | ||
1b8ec87a | 4497 | if (!rdev->ops->dump_station) { |
eec60b03 | 4498 | err = -EOPNOTSUPP; |
bba95fef JB |
4499 | goto out_err; |
4500 | } | |
4501 | ||
bba95fef | 4502 | while (1) { |
f612cedf | 4503 | memset(&sinfo, 0, sizeof(sinfo)); |
1b8ec87a | 4504 | err = rdev_dump_station(rdev, wdev->netdev, sta_idx, |
e35e4d28 | 4505 | mac_addr, &sinfo); |
bba95fef JB |
4506 | if (err == -ENOENT) |
4507 | break; | |
4508 | if (err) | |
3b85875a | 4509 | goto out_err; |
bba95fef | 4510 | |
cf5ead82 | 4511 | if (nl80211_send_station(skb, NL80211_CMD_NEW_STATION, |
15e47304 | 4512 | NETLINK_CB(cb->skb).portid, |
bba95fef | 4513 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
1b8ec87a | 4514 | rdev, wdev->netdev, mac_addr, |
bba95fef JB |
4515 | &sinfo) < 0) |
4516 | goto out; | |
4517 | ||
4518 | sta_idx++; | |
4519 | } | |
4520 | ||
bba95fef | 4521 | out: |
97990a06 | 4522 | cb->args[2] = sta_idx; |
bba95fef | 4523 | err = skb->len; |
bba95fef | 4524 | out_err: |
ea90e0dc | 4525 | rtnl_unlock(); |
bba95fef JB |
4526 | |
4527 | return err; | |
2ec600d6 | 4528 | } |
fd5b74dc | 4529 | |
5727ef1b JB |
4530 | static int nl80211_get_station(struct sk_buff *skb, struct genl_info *info) |
4531 | { | |
4c476991 JB |
4532 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4533 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 | 4534 | struct station_info sinfo; |
fd5b74dc JB |
4535 | struct sk_buff *msg; |
4536 | u8 *mac_addr = NULL; | |
4c476991 | 4537 | int err; |
fd5b74dc | 4538 | |
2ec600d6 | 4539 | memset(&sinfo, 0, sizeof(sinfo)); |
fd5b74dc JB |
4540 | |
4541 | if (!info->attrs[NL80211_ATTR_MAC]) | |
4542 | return -EINVAL; | |
4543 | ||
4544 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4545 | ||
4c476991 JB |
4546 | if (!rdev->ops->get_station) |
4547 | return -EOPNOTSUPP; | |
3b85875a | 4548 | |
e35e4d28 | 4549 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); |
fd5b74dc | 4550 | if (err) |
4c476991 | 4551 | return err; |
2ec600d6 | 4552 | |
fd2120ca | 4553 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
fd5b74dc | 4554 | if (!msg) |
4c476991 | 4555 | return -ENOMEM; |
fd5b74dc | 4556 | |
cf5ead82 JB |
4557 | if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, |
4558 | info->snd_portid, info->snd_seq, 0, | |
66266b3a | 4559 | rdev, dev, mac_addr, &sinfo) < 0) { |
4c476991 JB |
4560 | nlmsg_free(msg); |
4561 | return -ENOBUFS; | |
4562 | } | |
3b85875a | 4563 | |
4c476991 | 4564 | return genlmsg_reply(msg, info); |
5727ef1b JB |
4565 | } |
4566 | ||
77ee7c89 JB |
4567 | int cfg80211_check_station_change(struct wiphy *wiphy, |
4568 | struct station_parameters *params, | |
4569 | enum cfg80211_station_type statype) | |
4570 | { | |
e4208427 AB |
4571 | if (params->listen_interval != -1 && |
4572 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
77ee7c89 | 4573 | return -EINVAL; |
e4208427 | 4574 | |
17b94247 AB |
4575 | if (params->support_p2p_ps != -1 && |
4576 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
4577 | return -EINVAL; | |
4578 | ||
c72e1140 | 4579 | if (params->aid && |
e4208427 AB |
4580 | !(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) && |
4581 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) | |
77ee7c89 JB |
4582 | return -EINVAL; |
4583 | ||
4584 | /* When you run into this, adjust the code below for the new flag */ | |
4585 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
4586 | ||
4587 | switch (statype) { | |
eef941e6 TP |
4588 | case CFG80211_STA_MESH_PEER_KERNEL: |
4589 | case CFG80211_STA_MESH_PEER_USER: | |
77ee7c89 JB |
4590 | /* |
4591 | * No ignoring the TDLS flag here -- the userspace mesh | |
4592 | * code doesn't have the bug of including TDLS in the | |
4593 | * mask everywhere. | |
4594 | */ | |
4595 | if (params->sta_flags_mask & | |
4596 | ~(BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4597 | BIT(NL80211_STA_FLAG_MFP) | | |
4598 | BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
4599 | return -EINVAL; | |
4600 | break; | |
4601 | case CFG80211_STA_TDLS_PEER_SETUP: | |
4602 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
4603 | if (!(params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
4604 | return -EINVAL; | |
4605 | /* ignore since it can't change */ | |
4606 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4607 | break; | |
4608 | default: | |
4609 | /* disallow mesh-specific things */ | |
4610 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION) | |
4611 | return -EINVAL; | |
4612 | if (params->local_pm) | |
4613 | return -EINVAL; | |
4614 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) | |
4615 | return -EINVAL; | |
4616 | } | |
4617 | ||
4618 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && | |
4619 | statype != CFG80211_STA_TDLS_PEER_ACTIVE) { | |
4620 | /* TDLS can't be set, ... */ | |
4621 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) | |
4622 | return -EINVAL; | |
4623 | /* | |
4624 | * ... but don't bother the driver with it. This works around | |
4625 | * a hostapd/wpa_supplicant issue -- it always includes the | |
4626 | * TLDS_PEER flag in the mask even for AP mode. | |
4627 | */ | |
4628 | params->sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
4629 | } | |
4630 | ||
47edb11b AB |
4631 | if (statype != CFG80211_STA_TDLS_PEER_SETUP && |
4632 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) { | |
77ee7c89 JB |
4633 | /* reject other things that can't change */ |
4634 | if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) | |
4635 | return -EINVAL; | |
4636 | if (params->sta_modify_mask & STATION_PARAM_APPLY_CAPABILITY) | |
4637 | return -EINVAL; | |
4638 | if (params->supported_rates) | |
4639 | return -EINVAL; | |
4640 | if (params->ext_capab || params->ht_capa || params->vht_capa) | |
4641 | return -EINVAL; | |
4642 | } | |
4643 | ||
47edb11b AB |
4644 | if (statype != CFG80211_STA_AP_CLIENT && |
4645 | statype != CFG80211_STA_AP_CLIENT_UNASSOC) { | |
77ee7c89 JB |
4646 | if (params->vlan) |
4647 | return -EINVAL; | |
4648 | } | |
4649 | ||
4650 | switch (statype) { | |
4651 | case CFG80211_STA_AP_MLME_CLIENT: | |
4652 | /* Use this only for authorizing/unauthorizing a station */ | |
4653 | if (!(params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED))) | |
4654 | return -EOPNOTSUPP; | |
4655 | break; | |
4656 | case CFG80211_STA_AP_CLIENT: | |
47edb11b | 4657 | case CFG80211_STA_AP_CLIENT_UNASSOC: |
77ee7c89 JB |
4658 | /* accept only the listed bits */ |
4659 | if (params->sta_flags_mask & | |
4660 | ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4661 | BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4662 | BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
4663 | BIT(NL80211_STA_FLAG_SHORT_PREAMBLE) | | |
4664 | BIT(NL80211_STA_FLAG_WME) | | |
4665 | BIT(NL80211_STA_FLAG_MFP))) | |
4666 | return -EINVAL; | |
4667 | ||
4668 | /* but authenticated/associated only if driver handles it */ | |
4669 | if (!(wiphy->features & NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
4670 | params->sta_flags_mask & | |
4671 | (BIT(NL80211_STA_FLAG_AUTHENTICATED) | | |
4672 | BIT(NL80211_STA_FLAG_ASSOCIATED))) | |
4673 | return -EINVAL; | |
4674 | break; | |
4675 | case CFG80211_STA_IBSS: | |
4676 | case CFG80211_STA_AP_STA: | |
4677 | /* reject any changes other than AUTHORIZED */ | |
4678 | if (params->sta_flags_mask & ~BIT(NL80211_STA_FLAG_AUTHORIZED)) | |
4679 | return -EINVAL; | |
4680 | break; | |
4681 | case CFG80211_STA_TDLS_PEER_SETUP: | |
4682 | /* reject any changes other than AUTHORIZED or WME */ | |
4683 | if (params->sta_flags_mask & ~(BIT(NL80211_STA_FLAG_AUTHORIZED) | | |
4684 | BIT(NL80211_STA_FLAG_WME))) | |
4685 | return -EINVAL; | |
4686 | /* force (at least) rates when authorizing */ | |
4687 | if (params->sta_flags_set & BIT(NL80211_STA_FLAG_AUTHORIZED) && | |
4688 | !params->supported_rates) | |
4689 | return -EINVAL; | |
4690 | break; | |
4691 | case CFG80211_STA_TDLS_PEER_ACTIVE: | |
4692 | /* reject any changes */ | |
4693 | return -EINVAL; | |
eef941e6 | 4694 | case CFG80211_STA_MESH_PEER_KERNEL: |
77ee7c89 JB |
4695 | if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) |
4696 | return -EINVAL; | |
4697 | break; | |
eef941e6 | 4698 | case CFG80211_STA_MESH_PEER_USER: |
42925040 CYY |
4699 | if (params->plink_action != NL80211_PLINK_ACTION_NO_ACTION && |
4700 | params->plink_action != NL80211_PLINK_ACTION_BLOCK) | |
77ee7c89 JB |
4701 | return -EINVAL; |
4702 | break; | |
4703 | } | |
4704 | ||
06f7c88c BL |
4705 | /* |
4706 | * Older kernel versions ignored this attribute entirely, so don't | |
4707 | * reject attempts to update it but mark it as unused instead so the | |
4708 | * driver won't look at the data. | |
4709 | */ | |
4710 | if (statype != CFG80211_STA_AP_CLIENT_UNASSOC && | |
4711 | statype != CFG80211_STA_TDLS_PEER_SETUP) | |
4712 | params->opmode_notif_used = false; | |
4713 | ||
77ee7c89 JB |
4714 | return 0; |
4715 | } | |
4716 | EXPORT_SYMBOL(cfg80211_check_station_change); | |
4717 | ||
5727ef1b | 4718 | /* |
c258d2de | 4719 | * Get vlan interface making sure it is running and on the right wiphy. |
5727ef1b | 4720 | */ |
80b99899 JB |
4721 | static struct net_device *get_vlan(struct genl_info *info, |
4722 | struct cfg80211_registered_device *rdev) | |
5727ef1b | 4723 | { |
463d0183 | 4724 | struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN]; |
80b99899 JB |
4725 | struct net_device *v; |
4726 | int ret; | |
4727 | ||
4728 | if (!vlanattr) | |
4729 | return NULL; | |
4730 | ||
4731 | v = dev_get_by_index(genl_info_net(info), nla_get_u32(vlanattr)); | |
4732 | if (!v) | |
4733 | return ERR_PTR(-ENODEV); | |
4734 | ||
4735 | if (!v->ieee80211_ptr || v->ieee80211_ptr->wiphy != &rdev->wiphy) { | |
4736 | ret = -EINVAL; | |
4737 | goto error; | |
5727ef1b | 4738 | } |
80b99899 | 4739 | |
77ee7c89 JB |
4740 | if (v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
4741 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && | |
4742 | v->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) { | |
4743 | ret = -EINVAL; | |
4744 | goto error; | |
4745 | } | |
4746 | ||
80b99899 JB |
4747 | if (!netif_running(v)) { |
4748 | ret = -ENETDOWN; | |
4749 | goto error; | |
4750 | } | |
4751 | ||
4752 | return v; | |
4753 | error: | |
4754 | dev_put(v); | |
4755 | return ERR_PTR(ret); | |
5727ef1b JB |
4756 | } |
4757 | ||
94e860f1 JB |
4758 | static const struct nla_policy |
4759 | nl80211_sta_wme_policy[NL80211_STA_WME_MAX + 1] = { | |
df881293 JM |
4760 | [NL80211_STA_WME_UAPSD_QUEUES] = { .type = NLA_U8 }, |
4761 | [NL80211_STA_WME_MAX_SP] = { .type = NLA_U8 }, | |
4762 | }; | |
4763 | ||
ff276691 JB |
4764 | static int nl80211_parse_sta_wme(struct genl_info *info, |
4765 | struct station_parameters *params) | |
df881293 | 4766 | { |
df881293 JM |
4767 | struct nlattr *tb[NL80211_STA_WME_MAX + 1]; |
4768 | struct nlattr *nla; | |
4769 | int err; | |
4770 | ||
df881293 JM |
4771 | /* parse WME attributes if present */ |
4772 | if (!info->attrs[NL80211_ATTR_STA_WME]) | |
4773 | return 0; | |
4774 | ||
4775 | nla = info->attrs[NL80211_ATTR_STA_WME]; | |
4776 | err = nla_parse_nested(tb, NL80211_STA_WME_MAX, nla, | |
fe52145f | 4777 | nl80211_sta_wme_policy, info->extack); |
df881293 JM |
4778 | if (err) |
4779 | return err; | |
4780 | ||
4781 | if (tb[NL80211_STA_WME_UAPSD_QUEUES]) | |
4782 | params->uapsd_queues = nla_get_u8( | |
4783 | tb[NL80211_STA_WME_UAPSD_QUEUES]); | |
4784 | if (params->uapsd_queues & ~IEEE80211_WMM_IE_STA_QOSINFO_AC_MASK) | |
4785 | return -EINVAL; | |
4786 | ||
4787 | if (tb[NL80211_STA_WME_MAX_SP]) | |
4788 | params->max_sp = nla_get_u8(tb[NL80211_STA_WME_MAX_SP]); | |
4789 | ||
4790 | if (params->max_sp & ~IEEE80211_WMM_IE_STA_QOSINFO_SP_MASK) | |
4791 | return -EINVAL; | |
4792 | ||
4793 | params->sta_modify_mask |= STATION_PARAM_APPLY_UAPSD; | |
4794 | ||
4795 | return 0; | |
4796 | } | |
4797 | ||
c01fc9ad SD |
4798 | static int nl80211_parse_sta_channel_info(struct genl_info *info, |
4799 | struct station_parameters *params) | |
4800 | { | |
4801 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]) { | |
4802 | params->supported_channels = | |
4803 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4804 | params->supported_channels_len = | |
4805 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_CHANNELS]); | |
4806 | /* | |
4807 | * Need to include at least one (first channel, number of | |
4808 | * channels) tuple for each subband, and must have proper | |
4809 | * tuples for the rest of the data as well. | |
4810 | */ | |
4811 | if (params->supported_channels_len < 2) | |
4812 | return -EINVAL; | |
4813 | if (params->supported_channels_len % 2) | |
4814 | return -EINVAL; | |
4815 | } | |
4816 | ||
4817 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]) { | |
4818 | params->supported_oper_classes = | |
4819 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4820 | params->supported_oper_classes_len = | |
4821 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_OPER_CLASSES]); | |
4822 | /* | |
4823 | * The value of the Length field of the Supported Operating | |
4824 | * Classes element is between 2 and 253. | |
4825 | */ | |
4826 | if (params->supported_oper_classes_len < 2 || | |
4827 | params->supported_oper_classes_len > 253) | |
4828 | return -EINVAL; | |
4829 | } | |
4830 | return 0; | |
4831 | } | |
4832 | ||
ff276691 JB |
4833 | static int nl80211_set_station_tdls(struct genl_info *info, |
4834 | struct station_parameters *params) | |
4835 | { | |
c01fc9ad | 4836 | int err; |
ff276691 | 4837 | /* Dummy STA entry gets updated once the peer capabilities are known */ |
5e4b6f56 JM |
4838 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
4839 | params->aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); | |
ff276691 JB |
4840 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
4841 | params->ht_capa = | |
4842 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
4843 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) | |
4844 | params->vht_capa = | |
4845 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
4846 | ||
c01fc9ad SD |
4847 | err = nl80211_parse_sta_channel_info(info, params); |
4848 | if (err) | |
4849 | return err; | |
4850 | ||
ff276691 JB |
4851 | return nl80211_parse_sta_wme(info, params); |
4852 | } | |
4853 | ||
5727ef1b JB |
4854 | static int nl80211_set_station(struct sk_buff *skb, struct genl_info *info) |
4855 | { | |
4c476991 | 4856 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 4857 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b | 4858 | struct station_parameters params; |
77ee7c89 JB |
4859 | u8 *mac_addr; |
4860 | int err; | |
5727ef1b JB |
4861 | |
4862 | memset(¶ms, 0, sizeof(params)); | |
4863 | ||
77ee7c89 JB |
4864 | if (!rdev->ops->change_station) |
4865 | return -EOPNOTSUPP; | |
4866 | ||
e4208427 AB |
4867 | /* |
4868 | * AID and listen_interval properties can be set only for unassociated | |
4869 | * station. Include these parameters here and will check them in | |
4870 | * cfg80211_check_station_change(). | |
4871 | */ | |
a9bc31e4 AB |
4872 | if (info->attrs[NL80211_ATTR_STA_AID]) |
4873 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
e4208427 AB |
4874 | |
4875 | if (info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) | |
4876 | params.listen_interval = | |
4877 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
4878 | else | |
4879 | params.listen_interval = -1; | |
5727ef1b | 4880 | |
17b94247 AB |
4881 | if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) { |
4882 | u8 tmp; | |
4883 | ||
4884 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]); | |
4885 | if (tmp >= NUM_NL80211_P2P_PS_STATUS) | |
4886 | return -EINVAL; | |
4887 | ||
4888 | params.support_p2p_ps = tmp; | |
4889 | } else { | |
4890 | params.support_p2p_ps = -1; | |
4891 | } | |
4892 | ||
5727ef1b JB |
4893 | if (!info->attrs[NL80211_ATTR_MAC]) |
4894 | return -EINVAL; | |
4895 | ||
4896 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
4897 | ||
4898 | if (info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) { | |
4899 | params.supported_rates = | |
4900 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4901 | params.supported_rates_len = | |
4902 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
4903 | } | |
4904 | ||
9d62a986 JM |
4905 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
4906 | params.capability = | |
4907 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
4908 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
4909 | } | |
4910 | ||
4911 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
4912 | params.ext_capab = | |
4913 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4914 | params.ext_capab_len = | |
4915 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
4916 | } | |
4917 | ||
bdd3ae3d | 4918 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
4919 | return -EINVAL; |
4920 | ||
f8bacc21 | 4921 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
2ec600d6 | 4922 | params.plink_action = |
f8bacc21 JB |
4923 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
4924 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
4925 | return -EINVAL; | |
4926 | } | |
2ec600d6 | 4927 | |
f8bacc21 | 4928 | if (info->attrs[NL80211_ATTR_STA_PLINK_STATE]) { |
9c3990aa | 4929 | params.plink_state = |
f8bacc21 JB |
4930 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_STATE]); |
4931 | if (params.plink_state >= NUM_NL80211_PLINK_STATES) | |
4932 | return -EINVAL; | |
7d27a0ba MH |
4933 | if (info->attrs[NL80211_ATTR_MESH_PEER_AID]) { |
4934 | params.peer_aid = nla_get_u16( | |
4935 | info->attrs[NL80211_ATTR_MESH_PEER_AID]); | |
4936 | if (params.peer_aid > IEEE80211_MAX_AID) | |
4937 | return -EINVAL; | |
4938 | } | |
f8bacc21 JB |
4939 | params.sta_modify_mask |= STATION_PARAM_APPLY_PLINK_STATE; |
4940 | } | |
9c3990aa | 4941 | |
3b1c5a53 MP |
4942 | if (info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]) { |
4943 | enum nl80211_mesh_power_mode pm = nla_get_u32( | |
4944 | info->attrs[NL80211_ATTR_LOCAL_MESH_POWER_MODE]); | |
4945 | ||
4946 | if (pm <= NL80211_MESH_POWER_UNKNOWN || | |
4947 | pm > NL80211_MESH_POWER_MAX) | |
4948 | return -EINVAL; | |
4949 | ||
4950 | params.local_pm = pm; | |
4951 | } | |
4952 | ||
06f7c88c BL |
4953 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
4954 | params.opmode_notif_used = true; | |
4955 | params.opmode_notif = | |
4956 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
4957 | } | |
4958 | ||
77ee7c89 JB |
4959 | /* Include parameters for TDLS peer (will check later) */ |
4960 | err = nl80211_set_station_tdls(info, ¶ms); | |
4961 | if (err) | |
4962 | return err; | |
4963 | ||
4964 | params.vlan = get_vlan(info, rdev); | |
4965 | if (IS_ERR(params.vlan)) | |
4966 | return PTR_ERR(params.vlan); | |
4967 | ||
a97f4424 JB |
4968 | switch (dev->ieee80211_ptr->iftype) { |
4969 | case NL80211_IFTYPE_AP: | |
4970 | case NL80211_IFTYPE_AP_VLAN: | |
074ac8df | 4971 | case NL80211_IFTYPE_P2P_GO: |
074ac8df | 4972 | case NL80211_IFTYPE_P2P_CLIENT: |
a97f4424 | 4973 | case NL80211_IFTYPE_STATION: |
267335d6 | 4974 | case NL80211_IFTYPE_ADHOC: |
a97f4424 | 4975 | case NL80211_IFTYPE_MESH_POINT: |
a97f4424 JB |
4976 | break; |
4977 | default: | |
77ee7c89 JB |
4978 | err = -EOPNOTSUPP; |
4979 | goto out_put_vlan; | |
034d655e JB |
4980 | } |
4981 | ||
77ee7c89 | 4982 | /* driver will call cfg80211_check_station_change() */ |
e35e4d28 | 4983 | err = rdev_change_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 4984 | |
77ee7c89 | 4985 | out_put_vlan: |
5727ef1b JB |
4986 | if (params.vlan) |
4987 | dev_put(params.vlan); | |
3b85875a | 4988 | |
5727ef1b JB |
4989 | return err; |
4990 | } | |
4991 | ||
4992 | static int nl80211_new_station(struct sk_buff *skb, struct genl_info *info) | |
4993 | { | |
4c476991 | 4994 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5727ef1b | 4995 | int err; |
4c476991 | 4996 | struct net_device *dev = info->user_ptr[1]; |
5727ef1b JB |
4997 | struct station_parameters params; |
4998 | u8 *mac_addr = NULL; | |
bda95eb1 JB |
4999 | u32 auth_assoc = BIT(NL80211_STA_FLAG_AUTHENTICATED) | |
5000 | BIT(NL80211_STA_FLAG_ASSOCIATED); | |
5727ef1b JB |
5001 | |
5002 | memset(¶ms, 0, sizeof(params)); | |
5003 | ||
984c311b JB |
5004 | if (!rdev->ops->add_station) |
5005 | return -EOPNOTSUPP; | |
5006 | ||
5727ef1b JB |
5007 | if (!info->attrs[NL80211_ATTR_MAC]) |
5008 | return -EINVAL; | |
5009 | ||
5727ef1b JB |
5010 | if (!info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]) |
5011 | return -EINVAL; | |
5012 | ||
5013 | if (!info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]) | |
5014 | return -EINVAL; | |
5015 | ||
5e4b6f56 JM |
5016 | if (!info->attrs[NL80211_ATTR_STA_AID] && |
5017 | !info->attrs[NL80211_ATTR_PEER_AID]) | |
0e956c13 TLSC |
5018 | return -EINVAL; |
5019 | ||
5727ef1b JB |
5020 | mac_addr = nla_data(info->attrs[NL80211_ATTR_MAC]); |
5021 | params.supported_rates = | |
5022 | nla_data(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
5023 | params.supported_rates_len = | |
5024 | nla_len(info->attrs[NL80211_ATTR_STA_SUPPORTED_RATES]); | |
5025 | params.listen_interval = | |
5026 | nla_get_u16(info->attrs[NL80211_ATTR_STA_LISTEN_INTERVAL]); | |
51b50fbe | 5027 | |
17b94247 AB |
5028 | if (info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]) { |
5029 | u8 tmp; | |
5030 | ||
5031 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_STA_SUPPORT_P2P_PS]); | |
5032 | if (tmp >= NUM_NL80211_P2P_PS_STATUS) | |
5033 | return -EINVAL; | |
5034 | ||
5035 | params.support_p2p_ps = tmp; | |
5036 | } else { | |
5037 | /* | |
5038 | * if not specified, assume it's supported for P2P GO interface, | |
5039 | * and is NOT supported for AP interface | |
5040 | */ | |
5041 | params.support_p2p_ps = | |
5042 | dev->ieee80211_ptr->iftype == NL80211_IFTYPE_P2P_GO; | |
5043 | } | |
5044 | ||
3d124ea2 | 5045 | if (info->attrs[NL80211_ATTR_PEER_AID]) |
5e4b6f56 | 5046 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_PEER_AID]); |
3d124ea2 JM |
5047 | else |
5048 | params.aid = nla_get_u16(info->attrs[NL80211_ATTR_STA_AID]); | |
0e956c13 TLSC |
5049 | if (!params.aid || params.aid > IEEE80211_MAX_AID) |
5050 | return -EINVAL; | |
51b50fbe | 5051 | |
9d62a986 JM |
5052 | if (info->attrs[NL80211_ATTR_STA_CAPABILITY]) { |
5053 | params.capability = | |
5054 | nla_get_u16(info->attrs[NL80211_ATTR_STA_CAPABILITY]); | |
5055 | params.sta_modify_mask |= STATION_PARAM_APPLY_CAPABILITY; | |
5056 | } | |
5057 | ||
5058 | if (info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]) { | |
5059 | params.ext_capab = | |
5060 | nla_data(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
5061 | params.ext_capab_len = | |
5062 | nla_len(info->attrs[NL80211_ATTR_STA_EXT_CAPABILITY]); | |
5063 | } | |
5064 | ||
36aedc90 JM |
5065 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) |
5066 | params.ht_capa = | |
5067 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]); | |
5727ef1b | 5068 | |
f461be3e MP |
5069 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) |
5070 | params.vht_capa = | |
5071 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]); | |
5072 | ||
60f4a7b1 MK |
5073 | if (info->attrs[NL80211_ATTR_OPMODE_NOTIF]) { |
5074 | params.opmode_notif_used = true; | |
5075 | params.opmode_notif = | |
5076 | nla_get_u8(info->attrs[NL80211_ATTR_OPMODE_NOTIF]); | |
5077 | } | |
5078 | ||
f8bacc21 | 5079 | if (info->attrs[NL80211_ATTR_STA_PLINK_ACTION]) { |
96b78dff | 5080 | params.plink_action = |
f8bacc21 JB |
5081 | nla_get_u8(info->attrs[NL80211_ATTR_STA_PLINK_ACTION]); |
5082 | if (params.plink_action >= NUM_NL80211_PLINK_ACTIONS) | |
5083 | return -EINVAL; | |
5084 | } | |
96b78dff | 5085 | |
c01fc9ad SD |
5086 | err = nl80211_parse_sta_channel_info(info, ¶ms); |
5087 | if (err) | |
5088 | return err; | |
5089 | ||
ff276691 JB |
5090 | err = nl80211_parse_sta_wme(info, ¶ms); |
5091 | if (err) | |
5092 | return err; | |
bdd90d5e | 5093 | |
bdd3ae3d | 5094 | if (parse_station_flags(info, dev->ieee80211_ptr->iftype, ¶ms)) |
5727ef1b JB |
5095 | return -EINVAL; |
5096 | ||
496fcc29 JB |
5097 | /* HT/VHT requires QoS, but if we don't have that just ignore HT/VHT |
5098 | * as userspace might just pass through the capabilities from the IEs | |
5099 | * directly, rather than enforcing this restriction and returning an | |
5100 | * error in this case. | |
5101 | */ | |
5102 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) { | |
5103 | params.ht_capa = NULL; | |
5104 | params.vht_capa = NULL; | |
5105 | } | |
5106 | ||
77ee7c89 JB |
5107 | /* When you run into this, adjust the code below for the new flag */ |
5108 | BUILD_BUG_ON(NL80211_STA_FLAG_MAX != 7); | |
5109 | ||
bdd90d5e JB |
5110 | switch (dev->ieee80211_ptr->iftype) { |
5111 | case NL80211_IFTYPE_AP: | |
5112 | case NL80211_IFTYPE_AP_VLAN: | |
5113 | case NL80211_IFTYPE_P2P_GO: | |
984c311b JB |
5114 | /* ignore WME attributes if iface/sta is not capable */ |
5115 | if (!(rdev->wiphy.flags & WIPHY_FLAG_AP_UAPSD) || | |
5116 | !(params.sta_flags_set & BIT(NL80211_STA_FLAG_WME))) | |
5117 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
c75786c9 | 5118 | |
bdd90d5e | 5119 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
5120 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
5121 | info->attrs[NL80211_ATTR_PEER_AID]) | |
4319e193 | 5122 | return -EINVAL; |
bdd90d5e JB |
5123 | /* but don't bother the driver with it */ |
5124 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_TDLS_PEER); | |
3b9ce80c | 5125 | |
d582cffb JB |
5126 | /* allow authenticated/associated only if driver handles it */ |
5127 | if (!(rdev->wiphy.features & | |
5128 | NL80211_FEATURE_FULL_AP_CLIENT_STATE) && | |
bda95eb1 | 5129 | params.sta_flags_mask & auth_assoc) |
d582cffb JB |
5130 | return -EINVAL; |
5131 | ||
bda95eb1 JB |
5132 | /* Older userspace, or userspace wanting to be compatible with |
5133 | * !NL80211_FEATURE_FULL_AP_CLIENT_STATE, will not set the auth | |
5134 | * and assoc flags in the mask, but assumes the station will be | |
5135 | * added as associated anyway since this was the required driver | |
5136 | * behaviour before NL80211_FEATURE_FULL_AP_CLIENT_STATE was | |
5137 | * introduced. | |
5138 | * In order to not bother drivers with this quirk in the API | |
5139 | * set the flags in both the mask and set for new stations in | |
5140 | * this case. | |
5141 | */ | |
5142 | if (!(params.sta_flags_mask & auth_assoc)) { | |
5143 | params.sta_flags_mask |= auth_assoc; | |
5144 | params.sta_flags_set |= auth_assoc; | |
5145 | } | |
5146 | ||
bdd90d5e JB |
5147 | /* must be last in here for error handling */ |
5148 | params.vlan = get_vlan(info, rdev); | |
5149 | if (IS_ERR(params.vlan)) | |
5150 | return PTR_ERR(params.vlan); | |
5151 | break; | |
5152 | case NL80211_IFTYPE_MESH_POINT: | |
984c311b JB |
5153 | /* ignore uAPSD data */ |
5154 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
5155 | ||
d582cffb JB |
5156 | /* associated is disallowed */ |
5157 | if (params.sta_flags_mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) | |
5158 | return -EINVAL; | |
bdd90d5e | 5159 | /* TDLS peers cannot be added */ |
3d124ea2 JM |
5160 | if ((params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER)) || |
5161 | info->attrs[NL80211_ATTR_PEER_AID]) | |
bdd90d5e JB |
5162 | return -EINVAL; |
5163 | break; | |
5164 | case NL80211_IFTYPE_STATION: | |
93d08f0b | 5165 | case NL80211_IFTYPE_P2P_CLIENT: |
984c311b JB |
5166 | /* ignore uAPSD data */ |
5167 | params.sta_modify_mask &= ~STATION_PARAM_APPLY_UAPSD; | |
5168 | ||
77ee7c89 JB |
5169 | /* these are disallowed */ |
5170 | if (params.sta_flags_mask & | |
5171 | (BIT(NL80211_STA_FLAG_ASSOCIATED) | | |
5172 | BIT(NL80211_STA_FLAG_AUTHENTICATED))) | |
d582cffb | 5173 | return -EINVAL; |
bdd90d5e JB |
5174 | /* Only TDLS peers can be added */ |
5175 | if (!(params.sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))) | |
5176 | return -EINVAL; | |
5177 | /* Can only add if TDLS ... */ | |
5178 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS)) | |
5179 | return -EOPNOTSUPP; | |
5180 | /* ... with external setup is supported */ | |
5181 | if (!(rdev->wiphy.flags & WIPHY_FLAG_TDLS_EXTERNAL_SETUP)) | |
5182 | return -EOPNOTSUPP; | |
77ee7c89 JB |
5183 | /* |
5184 | * Older wpa_supplicant versions always mark the TDLS peer | |
5185 | * as authorized, but it shouldn't yet be. | |
5186 | */ | |
5187 | params.sta_flags_mask &= ~BIT(NL80211_STA_FLAG_AUTHORIZED); | |
bdd90d5e JB |
5188 | break; |
5189 | default: | |
5190 | return -EOPNOTSUPP; | |
c75786c9 EP |
5191 | } |
5192 | ||
bdd90d5e | 5193 | /* be aware of params.vlan when changing code here */ |
5727ef1b | 5194 | |
e35e4d28 | 5195 | err = rdev_add_station(rdev, dev, mac_addr, ¶ms); |
5727ef1b | 5196 | |
5727ef1b JB |
5197 | if (params.vlan) |
5198 | dev_put(params.vlan); | |
5727ef1b JB |
5199 | return err; |
5200 | } | |
5201 | ||
5202 | static int nl80211_del_station(struct sk_buff *skb, struct genl_info *info) | |
5203 | { | |
4c476991 JB |
5204 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5205 | struct net_device *dev = info->user_ptr[1]; | |
89c771e5 JM |
5206 | struct station_del_parameters params; |
5207 | ||
5208 | memset(¶ms, 0, sizeof(params)); | |
5727ef1b JB |
5209 | |
5210 | if (info->attrs[NL80211_ATTR_MAC]) | |
89c771e5 | 5211 | params.mac = nla_data(info->attrs[NL80211_ATTR_MAC]); |
5727ef1b | 5212 | |
e80cf853 | 5213 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
d5d9de02 | 5214 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP_VLAN && |
074ac8df | 5215 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
4c476991 JB |
5216 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5217 | return -EINVAL; | |
5727ef1b | 5218 | |
4c476991 JB |
5219 | if (!rdev->ops->del_station) |
5220 | return -EOPNOTSUPP; | |
3b85875a | 5221 | |
98856866 JM |
5222 | if (info->attrs[NL80211_ATTR_MGMT_SUBTYPE]) { |
5223 | params.subtype = | |
5224 | nla_get_u8(info->attrs[NL80211_ATTR_MGMT_SUBTYPE]); | |
5225 | if (params.subtype != IEEE80211_STYPE_DISASSOC >> 4 && | |
5226 | params.subtype != IEEE80211_STYPE_DEAUTH >> 4) | |
5227 | return -EINVAL; | |
5228 | } else { | |
5229 | /* Default to Deauthentication frame */ | |
5230 | params.subtype = IEEE80211_STYPE_DEAUTH >> 4; | |
5231 | } | |
5232 | ||
5233 | if (info->attrs[NL80211_ATTR_REASON_CODE]) { | |
5234 | params.reason_code = | |
5235 | nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
5236 | if (params.reason_code == 0) | |
5237 | return -EINVAL; /* 0 is reserved */ | |
5238 | } else { | |
5239 | /* Default to reason code 2 */ | |
5240 | params.reason_code = WLAN_REASON_PREV_AUTH_NOT_VALID; | |
5241 | } | |
5242 | ||
89c771e5 | 5243 | return rdev_del_station(rdev, dev, ¶ms); |
5727ef1b JB |
5244 | } |
5245 | ||
15e47304 | 5246 | static int nl80211_send_mpath(struct sk_buff *msg, u32 portid, u32 seq, |
2ec600d6 LCC |
5247 | int flags, struct net_device *dev, |
5248 | u8 *dst, u8 *next_hop, | |
5249 | struct mpath_info *pinfo) | |
5250 | { | |
5251 | void *hdr; | |
5252 | struct nlattr *pinfoattr; | |
5253 | ||
1ef4c850 | 5254 | hdr = nl80211hdr_put(msg, portid, seq, flags, NL80211_CMD_NEW_MPATH); |
2ec600d6 LCC |
5255 | if (!hdr) |
5256 | return -1; | |
5257 | ||
9360ffd1 DM |
5258 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
5259 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, dst) || | |
5260 | nla_put(msg, NL80211_ATTR_MPATH_NEXT_HOP, ETH_ALEN, next_hop) || | |
5261 | nla_put_u32(msg, NL80211_ATTR_GENERATION, pinfo->generation)) | |
5262 | goto nla_put_failure; | |
f5ea9120 | 5263 | |
2ec600d6 LCC |
5264 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MPATH_INFO); |
5265 | if (!pinfoattr) | |
5266 | goto nla_put_failure; | |
9360ffd1 DM |
5267 | if ((pinfo->filled & MPATH_INFO_FRAME_QLEN) && |
5268 | nla_put_u32(msg, NL80211_MPATH_INFO_FRAME_QLEN, | |
5269 | pinfo->frame_qlen)) | |
5270 | goto nla_put_failure; | |
5271 | if (((pinfo->filled & MPATH_INFO_SN) && | |
5272 | nla_put_u32(msg, NL80211_MPATH_INFO_SN, pinfo->sn)) || | |
5273 | ((pinfo->filled & MPATH_INFO_METRIC) && | |
5274 | nla_put_u32(msg, NL80211_MPATH_INFO_METRIC, | |
5275 | pinfo->metric)) || | |
5276 | ((pinfo->filled & MPATH_INFO_EXPTIME) && | |
5277 | nla_put_u32(msg, NL80211_MPATH_INFO_EXPTIME, | |
5278 | pinfo->exptime)) || | |
5279 | ((pinfo->filled & MPATH_INFO_FLAGS) && | |
5280 | nla_put_u8(msg, NL80211_MPATH_INFO_FLAGS, | |
5281 | pinfo->flags)) || | |
5282 | ((pinfo->filled & MPATH_INFO_DISCOVERY_TIMEOUT) && | |
5283 | nla_put_u32(msg, NL80211_MPATH_INFO_DISCOVERY_TIMEOUT, | |
5284 | pinfo->discovery_timeout)) || | |
5285 | ((pinfo->filled & MPATH_INFO_DISCOVERY_RETRIES) && | |
5286 | nla_put_u8(msg, NL80211_MPATH_INFO_DISCOVERY_RETRIES, | |
5287 | pinfo->discovery_retries))) | |
5288 | goto nla_put_failure; | |
2ec600d6 LCC |
5289 | |
5290 | nla_nest_end(msg, pinfoattr); | |
5291 | ||
053c095a JB |
5292 | genlmsg_end(msg, hdr); |
5293 | return 0; | |
2ec600d6 LCC |
5294 | |
5295 | nla_put_failure: | |
bc3ed28c TG |
5296 | genlmsg_cancel(msg, hdr); |
5297 | return -EMSGSIZE; | |
2ec600d6 LCC |
5298 | } |
5299 | ||
5300 | static int nl80211_dump_mpath(struct sk_buff *skb, | |
bba95fef | 5301 | struct netlink_callback *cb) |
2ec600d6 | 5302 | { |
2ec600d6 | 5303 | struct mpath_info pinfo; |
1b8ec87a | 5304 | struct cfg80211_registered_device *rdev; |
97990a06 | 5305 | struct wireless_dev *wdev; |
2ec600d6 LCC |
5306 | u8 dst[ETH_ALEN]; |
5307 | u8 next_hop[ETH_ALEN]; | |
97990a06 | 5308 | int path_idx = cb->args[2]; |
2ec600d6 | 5309 | int err; |
2ec600d6 | 5310 | |
ea90e0dc | 5311 | rtnl_lock(); |
1b8ec87a | 5312 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 | 5313 | if (err) |
ea90e0dc | 5314 | goto out_err; |
bba95fef | 5315 | |
1b8ec87a | 5316 | if (!rdev->ops->dump_mpath) { |
eec60b03 | 5317 | err = -EOPNOTSUPP; |
bba95fef JB |
5318 | goto out_err; |
5319 | } | |
5320 | ||
97990a06 | 5321 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { |
eec60b03 | 5322 | err = -EOPNOTSUPP; |
0448b5fc | 5323 | goto out_err; |
eec60b03 JM |
5324 | } |
5325 | ||
bba95fef | 5326 | while (1) { |
1b8ec87a | 5327 | err = rdev_dump_mpath(rdev, wdev->netdev, path_idx, dst, |
97990a06 | 5328 | next_hop, &pinfo); |
bba95fef | 5329 | if (err == -ENOENT) |
2ec600d6 | 5330 | break; |
bba95fef | 5331 | if (err) |
3b85875a | 5332 | goto out_err; |
2ec600d6 | 5333 | |
15e47304 | 5334 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, |
bba95fef | 5335 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
97990a06 | 5336 | wdev->netdev, dst, next_hop, |
bba95fef JB |
5337 | &pinfo) < 0) |
5338 | goto out; | |
2ec600d6 | 5339 | |
bba95fef | 5340 | path_idx++; |
2ec600d6 | 5341 | } |
2ec600d6 | 5342 | |
bba95fef | 5343 | out: |
97990a06 | 5344 | cb->args[2] = path_idx; |
bba95fef | 5345 | err = skb->len; |
bba95fef | 5346 | out_err: |
ea90e0dc | 5347 | rtnl_unlock(); |
bba95fef | 5348 | return err; |
2ec600d6 LCC |
5349 | } |
5350 | ||
5351 | static int nl80211_get_mpath(struct sk_buff *skb, struct genl_info *info) | |
5352 | { | |
4c476991 | 5353 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
2ec600d6 | 5354 | int err; |
4c476991 | 5355 | struct net_device *dev = info->user_ptr[1]; |
2ec600d6 LCC |
5356 | struct mpath_info pinfo; |
5357 | struct sk_buff *msg; | |
5358 | u8 *dst = NULL; | |
5359 | u8 next_hop[ETH_ALEN]; | |
5360 | ||
5361 | memset(&pinfo, 0, sizeof(pinfo)); | |
5362 | ||
5363 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5364 | return -EINVAL; | |
5365 | ||
5366 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5367 | ||
4c476991 JB |
5368 | if (!rdev->ops->get_mpath) |
5369 | return -EOPNOTSUPP; | |
2ec600d6 | 5370 | |
4c476991 JB |
5371 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
5372 | return -EOPNOTSUPP; | |
eec60b03 | 5373 | |
e35e4d28 | 5374 | err = rdev_get_mpath(rdev, dev, dst, next_hop, &pinfo); |
2ec600d6 | 5375 | if (err) |
4c476991 | 5376 | return err; |
2ec600d6 | 5377 | |
fd2120ca | 5378 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2ec600d6 | 5379 | if (!msg) |
4c476991 | 5380 | return -ENOMEM; |
2ec600d6 | 5381 | |
15e47304 | 5382 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, |
4c476991 JB |
5383 | dev, dst, next_hop, &pinfo) < 0) { |
5384 | nlmsg_free(msg); | |
5385 | return -ENOBUFS; | |
5386 | } | |
3b85875a | 5387 | |
4c476991 | 5388 | return genlmsg_reply(msg, info); |
2ec600d6 LCC |
5389 | } |
5390 | ||
5391 | static int nl80211_set_mpath(struct sk_buff *skb, struct genl_info *info) | |
5392 | { | |
4c476991 JB |
5393 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5394 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
5395 | u8 *dst = NULL; |
5396 | u8 *next_hop = NULL; | |
5397 | ||
5398 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5399 | return -EINVAL; | |
5400 | ||
5401 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
5402 | return -EINVAL; | |
5403 | ||
5404 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5405 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
5406 | ||
4c476991 JB |
5407 | if (!rdev->ops->change_mpath) |
5408 | return -EOPNOTSUPP; | |
35a8efe1 | 5409 | |
4c476991 JB |
5410 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
5411 | return -EOPNOTSUPP; | |
2ec600d6 | 5412 | |
e35e4d28 | 5413 | return rdev_change_mpath(rdev, dev, dst, next_hop); |
2ec600d6 | 5414 | } |
4c476991 | 5415 | |
2ec600d6 LCC |
5416 | static int nl80211_new_mpath(struct sk_buff *skb, struct genl_info *info) |
5417 | { | |
4c476991 JB |
5418 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5419 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
5420 | u8 *dst = NULL; |
5421 | u8 *next_hop = NULL; | |
5422 | ||
5423 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5424 | return -EINVAL; | |
5425 | ||
5426 | if (!info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]) | |
5427 | return -EINVAL; | |
5428 | ||
5429 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5430 | next_hop = nla_data(info->attrs[NL80211_ATTR_MPATH_NEXT_HOP]); | |
5431 | ||
4c476991 JB |
5432 | if (!rdev->ops->add_mpath) |
5433 | return -EOPNOTSUPP; | |
35a8efe1 | 5434 | |
4c476991 JB |
5435 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) |
5436 | return -EOPNOTSUPP; | |
2ec600d6 | 5437 | |
e35e4d28 | 5438 | return rdev_add_mpath(rdev, dev, dst, next_hop); |
2ec600d6 LCC |
5439 | } |
5440 | ||
5441 | static int nl80211_del_mpath(struct sk_buff *skb, struct genl_info *info) | |
5442 | { | |
4c476991 JB |
5443 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5444 | struct net_device *dev = info->user_ptr[1]; | |
2ec600d6 LCC |
5445 | u8 *dst = NULL; |
5446 | ||
5447 | if (info->attrs[NL80211_ATTR_MAC]) | |
5448 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5449 | ||
4c476991 JB |
5450 | if (!rdev->ops->del_mpath) |
5451 | return -EOPNOTSUPP; | |
3b85875a | 5452 | |
e35e4d28 | 5453 | return rdev_del_mpath(rdev, dev, dst); |
2ec600d6 LCC |
5454 | } |
5455 | ||
66be7d2b HR |
5456 | static int nl80211_get_mpp(struct sk_buff *skb, struct genl_info *info) |
5457 | { | |
5458 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
5459 | int err; | |
5460 | struct net_device *dev = info->user_ptr[1]; | |
5461 | struct mpath_info pinfo; | |
5462 | struct sk_buff *msg; | |
5463 | u8 *dst = NULL; | |
5464 | u8 mpp[ETH_ALEN]; | |
5465 | ||
5466 | memset(&pinfo, 0, sizeof(pinfo)); | |
5467 | ||
5468 | if (!info->attrs[NL80211_ATTR_MAC]) | |
5469 | return -EINVAL; | |
5470 | ||
5471 | dst = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
5472 | ||
5473 | if (!rdev->ops->get_mpp) | |
5474 | return -EOPNOTSUPP; | |
5475 | ||
5476 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT) | |
5477 | return -EOPNOTSUPP; | |
5478 | ||
5479 | err = rdev_get_mpp(rdev, dev, dst, mpp, &pinfo); | |
5480 | if (err) | |
5481 | return err; | |
5482 | ||
5483 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
5484 | if (!msg) | |
5485 | return -ENOMEM; | |
5486 | ||
5487 | if (nl80211_send_mpath(msg, info->snd_portid, info->snd_seq, 0, | |
5488 | dev, dst, mpp, &pinfo) < 0) { | |
5489 | nlmsg_free(msg); | |
5490 | return -ENOBUFS; | |
5491 | } | |
5492 | ||
5493 | return genlmsg_reply(msg, info); | |
5494 | } | |
5495 | ||
5496 | static int nl80211_dump_mpp(struct sk_buff *skb, | |
5497 | struct netlink_callback *cb) | |
5498 | { | |
5499 | struct mpath_info pinfo; | |
5500 | struct cfg80211_registered_device *rdev; | |
5501 | struct wireless_dev *wdev; | |
5502 | u8 dst[ETH_ALEN]; | |
5503 | u8 mpp[ETH_ALEN]; | |
5504 | int path_idx = cb->args[2]; | |
5505 | int err; | |
5506 | ||
ea90e0dc | 5507 | rtnl_lock(); |
66be7d2b HR |
5508 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
5509 | if (err) | |
ea90e0dc | 5510 | goto out_err; |
66be7d2b HR |
5511 | |
5512 | if (!rdev->ops->dump_mpp) { | |
5513 | err = -EOPNOTSUPP; | |
5514 | goto out_err; | |
5515 | } | |
5516 | ||
5517 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) { | |
5518 | err = -EOPNOTSUPP; | |
5519 | goto out_err; | |
5520 | } | |
5521 | ||
5522 | while (1) { | |
5523 | err = rdev_dump_mpp(rdev, wdev->netdev, path_idx, dst, | |
5524 | mpp, &pinfo); | |
5525 | if (err == -ENOENT) | |
5526 | break; | |
5527 | if (err) | |
5528 | goto out_err; | |
5529 | ||
5530 | if (nl80211_send_mpath(skb, NETLINK_CB(cb->skb).portid, | |
5531 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
5532 | wdev->netdev, dst, mpp, | |
5533 | &pinfo) < 0) | |
5534 | goto out; | |
5535 | ||
5536 | path_idx++; | |
5537 | } | |
5538 | ||
5539 | out: | |
5540 | cb->args[2] = path_idx; | |
5541 | err = skb->len; | |
5542 | out_err: | |
ea90e0dc | 5543 | rtnl_unlock(); |
66be7d2b HR |
5544 | return err; |
5545 | } | |
5546 | ||
9f1ba906 JM |
5547 | static int nl80211_set_bss(struct sk_buff *skb, struct genl_info *info) |
5548 | { | |
4c476991 JB |
5549 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
5550 | struct net_device *dev = info->user_ptr[1]; | |
c56589ed | 5551 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
9f1ba906 | 5552 | struct bss_parameters params; |
c56589ed | 5553 | int err; |
9f1ba906 JM |
5554 | |
5555 | memset(¶ms, 0, sizeof(params)); | |
5556 | /* default to not changing parameters */ | |
5557 | params.use_cts_prot = -1; | |
5558 | params.use_short_preamble = -1; | |
5559 | params.use_short_slot_time = -1; | |
fd8aaaf3 | 5560 | params.ap_isolate = -1; |
50b12f59 | 5561 | params.ht_opmode = -1; |
53cabad7 JB |
5562 | params.p2p_ctwindow = -1; |
5563 | params.p2p_opp_ps = -1; | |
9f1ba906 JM |
5564 | |
5565 | if (info->attrs[NL80211_ATTR_BSS_CTS_PROT]) | |
5566 | params.use_cts_prot = | |
5567 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_CTS_PROT]); | |
5568 | if (info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]) | |
5569 | params.use_short_preamble = | |
5570 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_PREAMBLE]); | |
5571 | if (info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]) | |
5572 | params.use_short_slot_time = | |
5573 | nla_get_u8(info->attrs[NL80211_ATTR_BSS_SHORT_SLOT_TIME]); | |
90c97a04 JM |
5574 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
5575 | params.basic_rates = | |
5576 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
5577 | params.basic_rates_len = | |
5578 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
5579 | } | |
fd8aaaf3 FF |
5580 | if (info->attrs[NL80211_ATTR_AP_ISOLATE]) |
5581 | params.ap_isolate = !!nla_get_u8(info->attrs[NL80211_ATTR_AP_ISOLATE]); | |
50b12f59 HS |
5582 | if (info->attrs[NL80211_ATTR_BSS_HT_OPMODE]) |
5583 | params.ht_opmode = | |
5584 | nla_get_u16(info->attrs[NL80211_ATTR_BSS_HT_OPMODE]); | |
9f1ba906 | 5585 | |
53cabad7 JB |
5586 | if (info->attrs[NL80211_ATTR_P2P_CTWINDOW]) { |
5587 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5588 | return -EINVAL; | |
5589 | params.p2p_ctwindow = | |
5590 | nla_get_s8(info->attrs[NL80211_ATTR_P2P_CTWINDOW]); | |
5591 | if (params.p2p_ctwindow < 0) | |
5592 | return -EINVAL; | |
5593 | if (params.p2p_ctwindow != 0 && | |
5594 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_CTWIN)) | |
5595 | return -EINVAL; | |
5596 | } | |
5597 | ||
5598 | if (info->attrs[NL80211_ATTR_P2P_OPPPS]) { | |
5599 | u8 tmp; | |
5600 | ||
5601 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) | |
5602 | return -EINVAL; | |
5603 | tmp = nla_get_u8(info->attrs[NL80211_ATTR_P2P_OPPPS]); | |
5604 | if (tmp > 1) | |
5605 | return -EINVAL; | |
5606 | params.p2p_opp_ps = tmp; | |
5607 | if (params.p2p_opp_ps && | |
5608 | !(rdev->wiphy.features & NL80211_FEATURE_P2P_GO_OPPPS)) | |
5609 | return -EINVAL; | |
5610 | } | |
5611 | ||
4c476991 JB |
5612 | if (!rdev->ops->change_bss) |
5613 | return -EOPNOTSUPP; | |
9f1ba906 | 5614 | |
074ac8df | 5615 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_AP && |
4c476991 JB |
5616 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_GO) |
5617 | return -EOPNOTSUPP; | |
3b85875a | 5618 | |
c56589ed SW |
5619 | wdev_lock(wdev); |
5620 | err = rdev_change_bss(rdev, dev, ¶ms); | |
5621 | wdev_unlock(wdev); | |
5622 | ||
5623 | return err; | |
9f1ba906 JM |
5624 | } |
5625 | ||
b2e1b302 LR |
5626 | static int nl80211_req_set_reg(struct sk_buff *skb, struct genl_info *info) |
5627 | { | |
b2e1b302 | 5628 | char *data = NULL; |
05050753 | 5629 | bool is_indoor; |
57b5ce07 | 5630 | enum nl80211_user_reg_hint_type user_reg_hint_type; |
05050753 I |
5631 | u32 owner_nlportid; |
5632 | ||
80778f18 LR |
5633 | /* |
5634 | * You should only get this when cfg80211 hasn't yet initialized | |
5635 | * completely when built-in to the kernel right between the time | |
5636 | * window between nl80211_init() and regulatory_init(), if that is | |
5637 | * even possible. | |
5638 | */ | |
458f4f9e | 5639 | if (unlikely(!rcu_access_pointer(cfg80211_regdomain))) |
fe33eb39 | 5640 | return -EINPROGRESS; |
80778f18 | 5641 | |
57b5ce07 LR |
5642 | if (info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]) |
5643 | user_reg_hint_type = | |
5644 | nla_get_u32(info->attrs[NL80211_ATTR_USER_REG_HINT_TYPE]); | |
5645 | else | |
5646 | user_reg_hint_type = NL80211_USER_REG_HINT_USER; | |
5647 | ||
5648 | switch (user_reg_hint_type) { | |
5649 | case NL80211_USER_REG_HINT_USER: | |
5650 | case NL80211_USER_REG_HINT_CELL_BASE: | |
52616f2b IP |
5651 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) |
5652 | return -EINVAL; | |
5653 | ||
5654 | data = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
5655 | return regulatory_hint_user(data, user_reg_hint_type); | |
5656 | case NL80211_USER_REG_HINT_INDOOR: | |
05050753 I |
5657 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) { |
5658 | owner_nlportid = info->snd_portid; | |
5659 | is_indoor = !!info->attrs[NL80211_ATTR_REG_INDOOR]; | |
5660 | } else { | |
5661 | owner_nlportid = 0; | |
5662 | is_indoor = true; | |
5663 | } | |
5664 | ||
5665 | return regulatory_hint_indoor(is_indoor, owner_nlportid); | |
57b5ce07 LR |
5666 | default: |
5667 | return -EINVAL; | |
5668 | } | |
b2e1b302 LR |
5669 | } |
5670 | ||
24bdd9f4 | 5671 | static int nl80211_get_mesh_config(struct sk_buff *skb, |
29cbe68c | 5672 | struct genl_info *info) |
93da9cc1 | 5673 | { |
4c476991 | 5674 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 5675 | struct net_device *dev = info->user_ptr[1]; |
29cbe68c JB |
5676 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
5677 | struct mesh_config cur_params; | |
5678 | int err = 0; | |
93da9cc1 | 5679 | void *hdr; |
5680 | struct nlattr *pinfoattr; | |
5681 | struct sk_buff *msg; | |
5682 | ||
29cbe68c JB |
5683 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
5684 | return -EOPNOTSUPP; | |
5685 | ||
24bdd9f4 | 5686 | if (!rdev->ops->get_mesh_config) |
4c476991 | 5687 | return -EOPNOTSUPP; |
f3f92586 | 5688 | |
29cbe68c JB |
5689 | wdev_lock(wdev); |
5690 | /* If not connected, get default parameters */ | |
5691 | if (!wdev->mesh_id_len) | |
5692 | memcpy(&cur_params, &default_mesh_config, sizeof(cur_params)); | |
5693 | else | |
e35e4d28 | 5694 | err = rdev_get_mesh_config(rdev, dev, &cur_params); |
29cbe68c JB |
5695 | wdev_unlock(wdev); |
5696 | ||
93da9cc1 | 5697 | if (err) |
4c476991 | 5698 | return err; |
93da9cc1 | 5699 | |
5700 | /* Draw up a netlink message to send back */ | |
fd2120ca | 5701 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
5702 | if (!msg) |
5703 | return -ENOMEM; | |
15e47304 | 5704 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
24bdd9f4 | 5705 | NL80211_CMD_GET_MESH_CONFIG); |
93da9cc1 | 5706 | if (!hdr) |
efe1cf0c | 5707 | goto out; |
24bdd9f4 | 5708 | pinfoattr = nla_nest_start(msg, NL80211_ATTR_MESH_CONFIG); |
93da9cc1 | 5709 | if (!pinfoattr) |
5710 | goto nla_put_failure; | |
9360ffd1 DM |
5711 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
5712 | nla_put_u16(msg, NL80211_MESHCONF_RETRY_TIMEOUT, | |
5713 | cur_params.dot11MeshRetryTimeout) || | |
5714 | nla_put_u16(msg, NL80211_MESHCONF_CONFIRM_TIMEOUT, | |
5715 | cur_params.dot11MeshConfirmTimeout) || | |
5716 | nla_put_u16(msg, NL80211_MESHCONF_HOLDING_TIMEOUT, | |
5717 | cur_params.dot11MeshHoldingTimeout) || | |
5718 | nla_put_u16(msg, NL80211_MESHCONF_MAX_PEER_LINKS, | |
5719 | cur_params.dot11MeshMaxPeerLinks) || | |
5720 | nla_put_u8(msg, NL80211_MESHCONF_MAX_RETRIES, | |
5721 | cur_params.dot11MeshMaxRetries) || | |
5722 | nla_put_u8(msg, NL80211_MESHCONF_TTL, | |
5723 | cur_params.dot11MeshTTL) || | |
5724 | nla_put_u8(msg, NL80211_MESHCONF_ELEMENT_TTL, | |
5725 | cur_params.element_ttl) || | |
5726 | nla_put_u8(msg, NL80211_MESHCONF_AUTO_OPEN_PLINKS, | |
5727 | cur_params.auto_open_plinks) || | |
7eab0f64 JL |
5728 | nla_put_u32(msg, NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
5729 | cur_params.dot11MeshNbrOffsetMaxNeighbor) || | |
9360ffd1 DM |
5730 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
5731 | cur_params.dot11MeshHWMPmaxPREQretries) || | |
5732 | nla_put_u32(msg, NL80211_MESHCONF_PATH_REFRESH_TIME, | |
5733 | cur_params.path_refresh_time) || | |
5734 | nla_put_u16(msg, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, | |
5735 | cur_params.min_discovery_timeout) || | |
5736 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, | |
5737 | cur_params.dot11MeshHWMPactivePathTimeout) || | |
5738 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
5739 | cur_params.dot11MeshHWMPpreqMinInterval) || | |
5740 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
5741 | cur_params.dot11MeshHWMPperrMinInterval) || | |
5742 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
5743 | cur_params.dot11MeshHWMPnetDiameterTraversalTime) || | |
5744 | nla_put_u8(msg, NL80211_MESHCONF_HWMP_ROOTMODE, | |
5745 | cur_params.dot11MeshHWMPRootMode) || | |
5746 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
5747 | cur_params.dot11MeshHWMPRannInterval) || | |
5748 | nla_put_u8(msg, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
5749 | cur_params.dot11MeshGateAnnouncementProtocol) || | |
5750 | nla_put_u8(msg, NL80211_MESHCONF_FORWARDING, | |
5751 | cur_params.dot11MeshForwarding) || | |
335d5349 | 5752 | nla_put_s32(msg, NL80211_MESHCONF_RSSI_THRESHOLD, |
70c33eaa AN |
5753 | cur_params.rssi_threshold) || |
5754 | nla_put_u32(msg, NL80211_MESHCONF_HT_OPMODE, | |
ac1073a6 CYY |
5755 | cur_params.ht_opmode) || |
5756 | nla_put_u32(msg, NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, | |
5757 | cur_params.dot11MeshHWMPactivePathToRootTimeout) || | |
5758 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, | |
728b19e5 CYY |
5759 | cur_params.dot11MeshHWMProotInterval) || |
5760 | nla_put_u16(msg, NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, | |
3b1c5a53 MP |
5761 | cur_params.dot11MeshHWMPconfirmationInterval) || |
5762 | nla_put_u32(msg, NL80211_MESHCONF_POWER_MODE, | |
5763 | cur_params.power_mode) || | |
5764 | nla_put_u16(msg, NL80211_MESHCONF_AWAKE_WINDOW, | |
8e7c0538 CT |
5765 | cur_params.dot11MeshAwakeWindowDuration) || |
5766 | nla_put_u32(msg, NL80211_MESHCONF_PLINK_TIMEOUT, | |
5767 | cur_params.plink_timeout)) | |
9360ffd1 | 5768 | goto nla_put_failure; |
93da9cc1 | 5769 | nla_nest_end(msg, pinfoattr); |
5770 | genlmsg_end(msg, hdr); | |
4c476991 | 5771 | return genlmsg_reply(msg, info); |
93da9cc1 | 5772 | |
3b85875a | 5773 | nla_put_failure: |
93da9cc1 | 5774 | genlmsg_cancel(msg, hdr); |
efe1cf0c | 5775 | out: |
d080e275 | 5776 | nlmsg_free(msg); |
4c476991 | 5777 | return -ENOBUFS; |
93da9cc1 | 5778 | } |
5779 | ||
b54452b0 | 5780 | static const struct nla_policy nl80211_meshconf_params_policy[NL80211_MESHCONF_ATTR_MAX+1] = { |
93da9cc1 | 5781 | [NL80211_MESHCONF_RETRY_TIMEOUT] = { .type = NLA_U16 }, |
5782 | [NL80211_MESHCONF_CONFIRM_TIMEOUT] = { .type = NLA_U16 }, | |
5783 | [NL80211_MESHCONF_HOLDING_TIMEOUT] = { .type = NLA_U16 }, | |
5784 | [NL80211_MESHCONF_MAX_PEER_LINKS] = { .type = NLA_U16 }, | |
5785 | [NL80211_MESHCONF_MAX_RETRIES] = { .type = NLA_U8 }, | |
5786 | [NL80211_MESHCONF_TTL] = { .type = NLA_U8 }, | |
45904f21 | 5787 | [NL80211_MESHCONF_ELEMENT_TTL] = { .type = NLA_U8 }, |
93da9cc1 | 5788 | [NL80211_MESHCONF_AUTO_OPEN_PLINKS] = { .type = NLA_U8 }, |
d299a1f2 | 5789 | [NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR] = { .type = NLA_U32 }, |
93da9cc1 | 5790 | [NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES] = { .type = NLA_U8 }, |
5791 | [NL80211_MESHCONF_PATH_REFRESH_TIME] = { .type = NLA_U32 }, | |
5792 | [NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT] = { .type = NLA_U16 }, | |
5793 | [NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT] = { .type = NLA_U32 }, | |
5794 | [NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL] = { .type = NLA_U16 }, | |
dca7e943 | 5795 | [NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL] = { .type = NLA_U16 }, |
93da9cc1 | 5796 | [NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME] = { .type = NLA_U16 }, |
699403db | 5797 | [NL80211_MESHCONF_HWMP_ROOTMODE] = { .type = NLA_U8 }, |
0507e159 | 5798 | [NL80211_MESHCONF_HWMP_RANN_INTERVAL] = { .type = NLA_U16 }, |
16dd7267 | 5799 | [NL80211_MESHCONF_GATE_ANNOUNCEMENTS] = { .type = NLA_U8 }, |
94f90656 | 5800 | [NL80211_MESHCONF_FORWARDING] = { .type = NLA_U8 }, |
a4f606ea CYY |
5801 | [NL80211_MESHCONF_RSSI_THRESHOLD] = { .type = NLA_U32 }, |
5802 | [NL80211_MESHCONF_HT_OPMODE] = { .type = NLA_U16 }, | |
ac1073a6 CYY |
5803 | [NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT] = { .type = NLA_U32 }, |
5804 | [NL80211_MESHCONF_HWMP_ROOT_INTERVAL] = { .type = NLA_U16 }, | |
728b19e5 | 5805 | [NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL] = { .type = NLA_U16 }, |
3b1c5a53 MP |
5806 | [NL80211_MESHCONF_POWER_MODE] = { .type = NLA_U32 }, |
5807 | [NL80211_MESHCONF_AWAKE_WINDOW] = { .type = NLA_U16 }, | |
8e7c0538 | 5808 | [NL80211_MESHCONF_PLINK_TIMEOUT] = { .type = NLA_U32 }, |
93da9cc1 | 5809 | }; |
5810 | ||
c80d545d JC |
5811 | static const struct nla_policy |
5812 | nl80211_mesh_setup_params_policy[NL80211_MESH_SETUP_ATTR_MAX+1] = { | |
d299a1f2 | 5813 | [NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC] = { .type = NLA_U8 }, |
c80d545d JC |
5814 | [NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL] = { .type = NLA_U8 }, |
5815 | [NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC] = { .type = NLA_U8 }, | |
15d5dda6 | 5816 | [NL80211_MESH_SETUP_USERSPACE_AUTH] = { .type = NLA_FLAG }, |
6e16d90b | 5817 | [NL80211_MESH_SETUP_AUTH_PROTOCOL] = { .type = NLA_U8 }, |
bb2798d4 | 5818 | [NL80211_MESH_SETUP_USERSPACE_MPM] = { .type = NLA_FLAG }, |
581a8b0f | 5819 | [NL80211_MESH_SETUP_IE] = { .type = NLA_BINARY, |
a4f606ea | 5820 | .len = IEEE80211_MAX_DATA_LEN }, |
b130e5ce | 5821 | [NL80211_MESH_SETUP_USERSPACE_AMPE] = { .type = NLA_FLAG }, |
c80d545d JC |
5822 | }; |
5823 | ||
f151d9db AB |
5824 | static int nl80211_check_bool(const struct nlattr *nla, u8 min, u8 max, bool *out) |
5825 | { | |
5826 | u8 val = nla_get_u8(nla); | |
5827 | if (val < min || val > max) | |
5828 | return -EINVAL; | |
5829 | *out = val; | |
5830 | return 0; | |
5831 | } | |
5832 | ||
5833 | static int nl80211_check_u8(const struct nlattr *nla, u8 min, u8 max, u8 *out) | |
5834 | { | |
5835 | u8 val = nla_get_u8(nla); | |
5836 | if (val < min || val > max) | |
5837 | return -EINVAL; | |
5838 | *out = val; | |
5839 | return 0; | |
5840 | } | |
5841 | ||
5842 | static int nl80211_check_u16(const struct nlattr *nla, u16 min, u16 max, u16 *out) | |
5843 | { | |
5844 | u16 val = nla_get_u16(nla); | |
5845 | if (val < min || val > max) | |
5846 | return -EINVAL; | |
5847 | *out = val; | |
5848 | return 0; | |
5849 | } | |
5850 | ||
5851 | static int nl80211_check_u32(const struct nlattr *nla, u32 min, u32 max, u32 *out) | |
5852 | { | |
5853 | u32 val = nla_get_u32(nla); | |
5854 | if (val < min || val > max) | |
5855 | return -EINVAL; | |
5856 | *out = val; | |
5857 | return 0; | |
5858 | } | |
5859 | ||
5860 | static int nl80211_check_s32(const struct nlattr *nla, s32 min, s32 max, s32 *out) | |
5861 | { | |
5862 | s32 val = nla_get_s32(nla); | |
5863 | if (val < min || val > max) | |
5864 | return -EINVAL; | |
5865 | *out = val; | |
5866 | return 0; | |
5867 | } | |
5868 | ||
ff9a71af JB |
5869 | static int nl80211_check_power_mode(const struct nlattr *nla, |
5870 | enum nl80211_mesh_power_mode min, | |
5871 | enum nl80211_mesh_power_mode max, | |
5872 | enum nl80211_mesh_power_mode *out) | |
5873 | { | |
5874 | u32 val = nla_get_u32(nla); | |
5875 | if (val < min || val > max) | |
5876 | return -EINVAL; | |
5877 | *out = val; | |
5878 | return 0; | |
5879 | } | |
5880 | ||
24bdd9f4 | 5881 | static int nl80211_parse_mesh_config(struct genl_info *info, |
bd90fdcc JB |
5882 | struct mesh_config *cfg, |
5883 | u32 *mask_out) | |
93da9cc1 | 5884 | { |
93da9cc1 | 5885 | struct nlattr *tb[NL80211_MESHCONF_ATTR_MAX + 1]; |
bd90fdcc | 5886 | u32 mask = 0; |
9757235f | 5887 | u16 ht_opmode; |
93da9cc1 | 5888 | |
ea54fba2 MP |
5889 | #define FILL_IN_MESH_PARAM_IF_SET(tb, cfg, param, min, max, mask, attr, fn) \ |
5890 | do { \ | |
5891 | if (tb[attr]) { \ | |
f151d9db | 5892 | if (fn(tb[attr], min, max, &cfg->param)) \ |
ea54fba2 | 5893 | return -EINVAL; \ |
ea54fba2 MP |
5894 | mask |= (1 << (attr - 1)); \ |
5895 | } \ | |
5896 | } while (0) | |
bd90fdcc | 5897 | |
24bdd9f4 | 5898 | if (!info->attrs[NL80211_ATTR_MESH_CONFIG]) |
93da9cc1 | 5899 | return -EINVAL; |
5900 | if (nla_parse_nested(tb, NL80211_MESHCONF_ATTR_MAX, | |
24bdd9f4 | 5901 | info->attrs[NL80211_ATTR_MESH_CONFIG], |
fe52145f | 5902 | nl80211_meshconf_params_policy, info->extack)) |
93da9cc1 | 5903 | return -EINVAL; |
5904 | ||
93da9cc1 | 5905 | /* This makes sure that there aren't more than 32 mesh config |
5906 | * parameters (otherwise our bitfield scheme would not work.) */ | |
5907 | BUILD_BUG_ON(NL80211_MESHCONF_ATTR_MAX > 32); | |
5908 | ||
5909 | /* Fill in the params struct */ | |
ea54fba2 | 5910 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshRetryTimeout, 1, 255, |
a4f606ea | 5911 | mask, NL80211_MESHCONF_RETRY_TIMEOUT, |
f151d9db | 5912 | nl80211_check_u16); |
ea54fba2 | 5913 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshConfirmTimeout, 1, 255, |
a4f606ea | 5914 | mask, NL80211_MESHCONF_CONFIRM_TIMEOUT, |
f151d9db | 5915 | nl80211_check_u16); |
ea54fba2 | 5916 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHoldingTimeout, 1, 255, |
a4f606ea | 5917 | mask, NL80211_MESHCONF_HOLDING_TIMEOUT, |
f151d9db | 5918 | nl80211_check_u16); |
ea54fba2 | 5919 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxPeerLinks, 0, 255, |
a4f606ea | 5920 | mask, NL80211_MESHCONF_MAX_PEER_LINKS, |
f151d9db | 5921 | nl80211_check_u16); |
ea54fba2 | 5922 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshMaxRetries, 0, 16, |
a4f606ea | 5923 | mask, NL80211_MESHCONF_MAX_RETRIES, |
f151d9db | 5924 | nl80211_check_u8); |
ea54fba2 | 5925 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshTTL, 1, 255, |
f151d9db | 5926 | mask, NL80211_MESHCONF_TTL, nl80211_check_u8); |
ea54fba2 | 5927 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, element_ttl, 1, 255, |
a4f606ea | 5928 | mask, NL80211_MESHCONF_ELEMENT_TTL, |
f151d9db | 5929 | nl80211_check_u8); |
ea54fba2 | 5930 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, auto_open_plinks, 0, 1, |
a4f606ea | 5931 | mask, NL80211_MESHCONF_AUTO_OPEN_PLINKS, |
f151d9db | 5932 | nl80211_check_bool); |
ea54fba2 MP |
5933 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshNbrOffsetMaxNeighbor, |
5934 | 1, 255, mask, | |
a4f606ea | 5935 | NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, |
f151d9db | 5936 | nl80211_check_u32); |
ea54fba2 | 5937 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPmaxPREQretries, 0, 255, |
a4f606ea | 5938 | mask, NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, |
f151d9db | 5939 | nl80211_check_u8); |
ea54fba2 | 5940 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, path_refresh_time, 1, 65535, |
a4f606ea | 5941 | mask, NL80211_MESHCONF_PATH_REFRESH_TIME, |
f151d9db | 5942 | nl80211_check_u32); |
ea54fba2 | 5943 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, min_discovery_timeout, 1, 65535, |
a4f606ea | 5944 | mask, NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, |
f151d9db | 5945 | nl80211_check_u16); |
ea54fba2 MP |
5946 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathTimeout, |
5947 | 1, 65535, mask, | |
a4f606ea | 5948 | NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, |
f151d9db | 5949 | nl80211_check_u32); |
93da9cc1 | 5950 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPpreqMinInterval, |
ea54fba2 MP |
5951 | 1, 65535, mask, |
5952 | NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, | |
f151d9db | 5953 | nl80211_check_u16); |
dca7e943 | 5954 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPperrMinInterval, |
ea54fba2 MP |
5955 | 1, 65535, mask, |
5956 | NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, | |
f151d9db | 5957 | nl80211_check_u16); |
93da9cc1 | 5958 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5959 | dot11MeshHWMPnetDiameterTraversalTime, |
5960 | 1, 65535, mask, | |
a4f606ea | 5961 | NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, |
f151d9db | 5962 | nl80211_check_u16); |
ea54fba2 MP |
5963 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRootMode, 0, 4, |
5964 | mask, NL80211_MESHCONF_HWMP_ROOTMODE, | |
f151d9db | 5965 | nl80211_check_u8); |
ea54fba2 MP |
5966 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPRannInterval, 1, 65535, |
5967 | mask, NL80211_MESHCONF_HWMP_RANN_INTERVAL, | |
f151d9db | 5968 | nl80211_check_u16); |
63c5723b | 5969 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
5970 | dot11MeshGateAnnouncementProtocol, 0, 1, |
5971 | mask, NL80211_MESHCONF_GATE_ANNOUNCEMENTS, | |
f151d9db | 5972 | nl80211_check_bool); |
ea54fba2 | 5973 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshForwarding, 0, 1, |
a4f606ea | 5974 | mask, NL80211_MESHCONF_FORWARDING, |
f151d9db | 5975 | nl80211_check_bool); |
83374fe9 | 5976 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, rssi_threshold, -255, 0, |
a4f606ea | 5977 | mask, NL80211_MESHCONF_RSSI_THRESHOLD, |
f151d9db | 5978 | nl80211_check_s32); |
9757235f MH |
5979 | /* |
5980 | * Check HT operation mode based on | |
5981 | * IEEE 802.11 2012 8.4.2.59 HT Operation element. | |
5982 | */ | |
5983 | if (tb[NL80211_MESHCONF_HT_OPMODE]) { | |
5984 | ht_opmode = nla_get_u16(tb[NL80211_MESHCONF_HT_OPMODE]); | |
5985 | ||
5986 | if (ht_opmode & ~(IEEE80211_HT_OP_MODE_PROTECTION | | |
5987 | IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT | | |
5988 | IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
5989 | return -EINVAL; | |
5990 | ||
5991 | if ((ht_opmode & IEEE80211_HT_OP_MODE_NON_GF_STA_PRSNT) && | |
5992 | (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
5993 | return -EINVAL; | |
5994 | ||
5995 | switch (ht_opmode & IEEE80211_HT_OP_MODE_PROTECTION) { | |
5996 | case IEEE80211_HT_OP_MODE_PROTECTION_NONE: | |
5997 | case IEEE80211_HT_OP_MODE_PROTECTION_20MHZ: | |
5998 | if (ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT) | |
5999 | return -EINVAL; | |
6000 | break; | |
6001 | case IEEE80211_HT_OP_MODE_PROTECTION_NONMEMBER: | |
6002 | case IEEE80211_HT_OP_MODE_PROTECTION_NONHT_MIXED: | |
6003 | if (!(ht_opmode & IEEE80211_HT_OP_MODE_NON_HT_STA_PRSNT)) | |
6004 | return -EINVAL; | |
6005 | break; | |
6006 | } | |
6007 | cfg->ht_opmode = ht_opmode; | |
fd551bac | 6008 | mask |= (1 << (NL80211_MESHCONF_HT_OPMODE - 1)); |
9757235f | 6009 | } |
ac1073a6 | 6010 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMPactivePathToRootTimeout, |
ea54fba2 | 6011 | 1, 65535, mask, |
ac1073a6 | 6012 | NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, |
f151d9db | 6013 | nl80211_check_u32); |
ea54fba2 | 6014 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshHWMProotInterval, 1, 65535, |
ac1073a6 | 6015 | mask, NL80211_MESHCONF_HWMP_ROOT_INTERVAL, |
f151d9db | 6016 | nl80211_check_u16); |
728b19e5 | 6017 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, |
ea54fba2 MP |
6018 | dot11MeshHWMPconfirmationInterval, |
6019 | 1, 65535, mask, | |
728b19e5 | 6020 | NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, |
f151d9db | 6021 | nl80211_check_u16); |
3b1c5a53 MP |
6022 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, power_mode, |
6023 | NL80211_MESH_POWER_ACTIVE, | |
6024 | NL80211_MESH_POWER_MAX, | |
6025 | mask, NL80211_MESHCONF_POWER_MODE, | |
ff9a71af | 6026 | nl80211_check_power_mode); |
3b1c5a53 MP |
6027 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, dot11MeshAwakeWindowDuration, |
6028 | 0, 65535, mask, | |
f151d9db | 6029 | NL80211_MESHCONF_AWAKE_WINDOW, nl80211_check_u16); |
31f909a2 | 6030 | FILL_IN_MESH_PARAM_IF_SET(tb, cfg, plink_timeout, 0, 0xffffffff, |
8e7c0538 | 6031 | mask, NL80211_MESHCONF_PLINK_TIMEOUT, |
f151d9db | 6032 | nl80211_check_u32); |
bd90fdcc JB |
6033 | if (mask_out) |
6034 | *mask_out = mask; | |
c80d545d | 6035 | |
bd90fdcc JB |
6036 | return 0; |
6037 | ||
6038 | #undef FILL_IN_MESH_PARAM_IF_SET | |
6039 | } | |
6040 | ||
c80d545d JC |
6041 | static int nl80211_parse_mesh_setup(struct genl_info *info, |
6042 | struct mesh_setup *setup) | |
6043 | { | |
bb2798d4 | 6044 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
c80d545d JC |
6045 | struct nlattr *tb[NL80211_MESH_SETUP_ATTR_MAX + 1]; |
6046 | ||
6047 | if (!info->attrs[NL80211_ATTR_MESH_SETUP]) | |
6048 | return -EINVAL; | |
6049 | if (nla_parse_nested(tb, NL80211_MESH_SETUP_ATTR_MAX, | |
6050 | info->attrs[NL80211_ATTR_MESH_SETUP], | |
fe52145f | 6051 | nl80211_mesh_setup_params_policy, info->extack)) |
c80d545d JC |
6052 | return -EINVAL; |
6053 | ||
d299a1f2 JC |
6054 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC]) |
6055 | setup->sync_method = | |
6056 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_SYNC])) ? | |
6057 | IEEE80211_SYNC_METHOD_VENDOR : | |
6058 | IEEE80211_SYNC_METHOD_NEIGHBOR_OFFSET; | |
6059 | ||
c80d545d JC |
6060 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL]) |
6061 | setup->path_sel_proto = | |
6062 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_PATH_SEL])) ? | |
6063 | IEEE80211_PATH_PROTOCOL_VENDOR : | |
6064 | IEEE80211_PATH_PROTOCOL_HWMP; | |
6065 | ||
6066 | if (tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC]) | |
6067 | setup->path_metric = | |
6068 | (nla_get_u8(tb[NL80211_MESH_SETUP_ENABLE_VENDOR_METRIC])) ? | |
6069 | IEEE80211_PATH_METRIC_VENDOR : | |
6070 | IEEE80211_PATH_METRIC_AIRTIME; | |
6071 | ||
581a8b0f | 6072 | if (tb[NL80211_MESH_SETUP_IE]) { |
c80d545d | 6073 | struct nlattr *ieattr = |
581a8b0f | 6074 | tb[NL80211_MESH_SETUP_IE]; |
c80d545d JC |
6075 | if (!is_valid_ie_attr(ieattr)) |
6076 | return -EINVAL; | |
581a8b0f JC |
6077 | setup->ie = nla_data(ieattr); |
6078 | setup->ie_len = nla_len(ieattr); | |
c80d545d | 6079 | } |
bb2798d4 TP |
6080 | if (tb[NL80211_MESH_SETUP_USERSPACE_MPM] && |
6081 | !(rdev->wiphy.features & NL80211_FEATURE_USERSPACE_MPM)) | |
6082 | return -EINVAL; | |
6083 | setup->user_mpm = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_MPM]); | |
b130e5ce JC |
6084 | setup->is_authenticated = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AUTH]); |
6085 | setup->is_secure = nla_get_flag(tb[NL80211_MESH_SETUP_USERSPACE_AMPE]); | |
bb2798d4 TP |
6086 | if (setup->is_secure) |
6087 | setup->user_mpm = true; | |
c80d545d | 6088 | |
6e16d90b CT |
6089 | if (tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]) { |
6090 | if (!setup->user_mpm) | |
6091 | return -EINVAL; | |
6092 | setup->auth_id = | |
6093 | nla_get_u8(tb[NL80211_MESH_SETUP_AUTH_PROTOCOL]); | |
6094 | } | |
6095 | ||
c80d545d JC |
6096 | return 0; |
6097 | } | |
6098 | ||
24bdd9f4 | 6099 | static int nl80211_update_mesh_config(struct sk_buff *skb, |
29cbe68c | 6100 | struct genl_info *info) |
bd90fdcc JB |
6101 | { |
6102 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6103 | struct net_device *dev = info->user_ptr[1]; | |
29cbe68c | 6104 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bd90fdcc JB |
6105 | struct mesh_config cfg; |
6106 | u32 mask; | |
6107 | int err; | |
6108 | ||
29cbe68c JB |
6109 | if (wdev->iftype != NL80211_IFTYPE_MESH_POINT) |
6110 | return -EOPNOTSUPP; | |
6111 | ||
24bdd9f4 | 6112 | if (!rdev->ops->update_mesh_config) |
bd90fdcc JB |
6113 | return -EOPNOTSUPP; |
6114 | ||
24bdd9f4 | 6115 | err = nl80211_parse_mesh_config(info, &cfg, &mask); |
bd90fdcc JB |
6116 | if (err) |
6117 | return err; | |
6118 | ||
29cbe68c JB |
6119 | wdev_lock(wdev); |
6120 | if (!wdev->mesh_id_len) | |
6121 | err = -ENOLINK; | |
6122 | ||
6123 | if (!err) | |
e35e4d28 | 6124 | err = rdev_update_mesh_config(rdev, dev, mask, &cfg); |
29cbe68c JB |
6125 | |
6126 | wdev_unlock(wdev); | |
6127 | ||
6128 | return err; | |
93da9cc1 | 6129 | } |
6130 | ||
ad30ca2c AN |
6131 | static int nl80211_put_regdom(const struct ieee80211_regdomain *regdom, |
6132 | struct sk_buff *msg) | |
f130347c | 6133 | { |
f130347c LR |
6134 | struct nlattr *nl_reg_rules; |
6135 | unsigned int i; | |
f130347c | 6136 | |
458f4f9e JB |
6137 | if (nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, regdom->alpha2) || |
6138 | (regdom->dfs_region && | |
6139 | nla_put_u8(msg, NL80211_ATTR_DFS_REGION, regdom->dfs_region))) | |
ad30ca2c | 6140 | goto nla_put_failure; |
458f4f9e | 6141 | |
f130347c LR |
6142 | nl_reg_rules = nla_nest_start(msg, NL80211_ATTR_REG_RULES); |
6143 | if (!nl_reg_rules) | |
ad30ca2c | 6144 | goto nla_put_failure; |
f130347c | 6145 | |
458f4f9e | 6146 | for (i = 0; i < regdom->n_reg_rules; i++) { |
f130347c LR |
6147 | struct nlattr *nl_reg_rule; |
6148 | const struct ieee80211_reg_rule *reg_rule; | |
6149 | const struct ieee80211_freq_range *freq_range; | |
6150 | const struct ieee80211_power_rule *power_rule; | |
97524820 | 6151 | unsigned int max_bandwidth_khz; |
f130347c | 6152 | |
458f4f9e | 6153 | reg_rule = ®dom->reg_rules[i]; |
f130347c LR |
6154 | freq_range = ®_rule->freq_range; |
6155 | power_rule = ®_rule->power_rule; | |
6156 | ||
6157 | nl_reg_rule = nla_nest_start(msg, i); | |
6158 | if (!nl_reg_rule) | |
ad30ca2c | 6159 | goto nla_put_failure; |
f130347c | 6160 | |
97524820 JD |
6161 | max_bandwidth_khz = freq_range->max_bandwidth_khz; |
6162 | if (!max_bandwidth_khz) | |
6163 | max_bandwidth_khz = reg_get_max_bandwidth(regdom, | |
6164 | reg_rule); | |
6165 | ||
9360ffd1 DM |
6166 | if (nla_put_u32(msg, NL80211_ATTR_REG_RULE_FLAGS, |
6167 | reg_rule->flags) || | |
6168 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_START, | |
6169 | freq_range->start_freq_khz) || | |
6170 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_END, | |
6171 | freq_range->end_freq_khz) || | |
6172 | nla_put_u32(msg, NL80211_ATTR_FREQ_RANGE_MAX_BW, | |
97524820 | 6173 | max_bandwidth_khz) || |
9360ffd1 DM |
6174 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN, |
6175 | power_rule->max_antenna_gain) || | |
6176 | nla_put_u32(msg, NL80211_ATTR_POWER_RULE_MAX_EIRP, | |
089027e5 JD |
6177 | power_rule->max_eirp) || |
6178 | nla_put_u32(msg, NL80211_ATTR_DFS_CAC_TIME, | |
6179 | reg_rule->dfs_cac_ms)) | |
ad30ca2c | 6180 | goto nla_put_failure; |
f130347c LR |
6181 | |
6182 | nla_nest_end(msg, nl_reg_rule); | |
6183 | } | |
6184 | ||
6185 | nla_nest_end(msg, nl_reg_rules); | |
ad30ca2c AN |
6186 | return 0; |
6187 | ||
6188 | nla_put_failure: | |
6189 | return -EMSGSIZE; | |
6190 | } | |
6191 | ||
6192 | static int nl80211_get_reg_do(struct sk_buff *skb, struct genl_info *info) | |
6193 | { | |
6194 | const struct ieee80211_regdomain *regdom = NULL; | |
6195 | struct cfg80211_registered_device *rdev; | |
6196 | struct wiphy *wiphy = NULL; | |
6197 | struct sk_buff *msg; | |
6198 | void *hdr; | |
6199 | ||
6200 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
6201 | if (!msg) | |
6202 | return -ENOBUFS; | |
6203 | ||
6204 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
6205 | NL80211_CMD_GET_REG); | |
6206 | if (!hdr) | |
6207 | goto put_failure; | |
6208 | ||
6209 | if (info->attrs[NL80211_ATTR_WIPHY]) { | |
1bdd716c AN |
6210 | bool self_managed; |
6211 | ||
ad30ca2c AN |
6212 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
6213 | if (IS_ERR(rdev)) { | |
6214 | nlmsg_free(msg); | |
6215 | return PTR_ERR(rdev); | |
6216 | } | |
6217 | ||
6218 | wiphy = &rdev->wiphy; | |
1bdd716c AN |
6219 | self_managed = wiphy->regulatory_flags & |
6220 | REGULATORY_WIPHY_SELF_MANAGED; | |
ad30ca2c AN |
6221 | regdom = get_wiphy_regdom(wiphy); |
6222 | ||
1bdd716c AN |
6223 | /* a self-managed-reg device must have a private regdom */ |
6224 | if (WARN_ON(!regdom && self_managed)) { | |
6225 | nlmsg_free(msg); | |
6226 | return -EINVAL; | |
6227 | } | |
6228 | ||
ad30ca2c AN |
6229 | if (regdom && |
6230 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
6231 | goto nla_put_failure; | |
6232 | } | |
6233 | ||
6234 | if (!wiphy && reg_last_request_cell_base() && | |
6235 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
6236 | NL80211_USER_REG_HINT_CELL_BASE)) | |
6237 | goto nla_put_failure; | |
6238 | ||
6239 | rcu_read_lock(); | |
6240 | ||
6241 | if (!regdom) | |
6242 | regdom = rcu_dereference(cfg80211_regdomain); | |
6243 | ||
6244 | if (nl80211_put_regdom(regdom, msg)) | |
6245 | goto nla_put_failure_rcu; | |
6246 | ||
6247 | rcu_read_unlock(); | |
f130347c LR |
6248 | |
6249 | genlmsg_end(msg, hdr); | |
5fe231e8 | 6250 | return genlmsg_reply(msg, info); |
f130347c | 6251 | |
458f4f9e JB |
6252 | nla_put_failure_rcu: |
6253 | rcu_read_unlock(); | |
f130347c LR |
6254 | nla_put_failure: |
6255 | genlmsg_cancel(msg, hdr); | |
efe1cf0c | 6256 | put_failure: |
d080e275 | 6257 | nlmsg_free(msg); |
5fe231e8 | 6258 | return -EMSGSIZE; |
f130347c LR |
6259 | } |
6260 | ||
ad30ca2c AN |
6261 | static int nl80211_send_regdom(struct sk_buff *msg, struct netlink_callback *cb, |
6262 | u32 seq, int flags, struct wiphy *wiphy, | |
6263 | const struct ieee80211_regdomain *regdom) | |
6264 | { | |
6265 | void *hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, | |
6266 | NL80211_CMD_GET_REG); | |
6267 | ||
6268 | if (!hdr) | |
6269 | return -1; | |
6270 | ||
6271 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); | |
6272 | ||
6273 | if (nl80211_put_regdom(regdom, msg)) | |
6274 | goto nla_put_failure; | |
6275 | ||
6276 | if (!wiphy && reg_last_request_cell_base() && | |
6277 | nla_put_u32(msg, NL80211_ATTR_USER_REG_HINT_TYPE, | |
6278 | NL80211_USER_REG_HINT_CELL_BASE)) | |
6279 | goto nla_put_failure; | |
6280 | ||
6281 | if (wiphy && | |
6282 | nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) | |
6283 | goto nla_put_failure; | |
6284 | ||
1bdd716c AN |
6285 | if (wiphy && wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && |
6286 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
6287 | goto nla_put_failure; | |
6288 | ||
053c095a JB |
6289 | genlmsg_end(msg, hdr); |
6290 | return 0; | |
ad30ca2c AN |
6291 | |
6292 | nla_put_failure: | |
6293 | genlmsg_cancel(msg, hdr); | |
6294 | return -EMSGSIZE; | |
6295 | } | |
6296 | ||
6297 | static int nl80211_get_reg_dump(struct sk_buff *skb, | |
6298 | struct netlink_callback *cb) | |
6299 | { | |
6300 | const struct ieee80211_regdomain *regdom = NULL; | |
6301 | struct cfg80211_registered_device *rdev; | |
6302 | int err, reg_idx, start = cb->args[2]; | |
6303 | ||
6304 | rtnl_lock(); | |
6305 | ||
6306 | if (cfg80211_regdomain && start == 0) { | |
6307 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
6308 | NLM_F_MULTI, NULL, | |
6309 | rtnl_dereference(cfg80211_regdomain)); | |
6310 | if (err < 0) | |
6311 | goto out_err; | |
6312 | } | |
6313 | ||
6314 | /* the global regdom is idx 0 */ | |
6315 | reg_idx = 1; | |
6316 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { | |
6317 | regdom = get_wiphy_regdom(&rdev->wiphy); | |
6318 | if (!regdom) | |
6319 | continue; | |
6320 | ||
6321 | if (++reg_idx <= start) | |
6322 | continue; | |
6323 | ||
6324 | err = nl80211_send_regdom(skb, cb, cb->nlh->nlmsg_seq, | |
6325 | NLM_F_MULTI, &rdev->wiphy, regdom); | |
6326 | if (err < 0) { | |
6327 | reg_idx--; | |
6328 | break; | |
6329 | } | |
6330 | } | |
6331 | ||
6332 | cb->args[2] = reg_idx; | |
6333 | err = skb->len; | |
6334 | out_err: | |
6335 | rtnl_unlock(); | |
6336 | return err; | |
6337 | } | |
6338 | ||
b6863036 JB |
6339 | #ifdef CONFIG_CFG80211_CRDA_SUPPORT |
6340 | static const struct nla_policy reg_rule_policy[NL80211_REG_RULE_ATTR_MAX + 1] = { | |
6341 | [NL80211_ATTR_REG_RULE_FLAGS] = { .type = NLA_U32 }, | |
6342 | [NL80211_ATTR_FREQ_RANGE_START] = { .type = NLA_U32 }, | |
6343 | [NL80211_ATTR_FREQ_RANGE_END] = { .type = NLA_U32 }, | |
6344 | [NL80211_ATTR_FREQ_RANGE_MAX_BW] = { .type = NLA_U32 }, | |
6345 | [NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN] = { .type = NLA_U32 }, | |
6346 | [NL80211_ATTR_POWER_RULE_MAX_EIRP] = { .type = NLA_U32 }, | |
6347 | [NL80211_ATTR_DFS_CAC_TIME] = { .type = NLA_U32 }, | |
6348 | }; | |
6349 | ||
6350 | static int parse_reg_rule(struct nlattr *tb[], | |
6351 | struct ieee80211_reg_rule *reg_rule) | |
6352 | { | |
6353 | struct ieee80211_freq_range *freq_range = ®_rule->freq_range; | |
6354 | struct ieee80211_power_rule *power_rule = ®_rule->power_rule; | |
6355 | ||
6356 | if (!tb[NL80211_ATTR_REG_RULE_FLAGS]) | |
6357 | return -EINVAL; | |
6358 | if (!tb[NL80211_ATTR_FREQ_RANGE_START]) | |
6359 | return -EINVAL; | |
6360 | if (!tb[NL80211_ATTR_FREQ_RANGE_END]) | |
6361 | return -EINVAL; | |
6362 | if (!tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]) | |
6363 | return -EINVAL; | |
6364 | if (!tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]) | |
6365 | return -EINVAL; | |
6366 | ||
6367 | reg_rule->flags = nla_get_u32(tb[NL80211_ATTR_REG_RULE_FLAGS]); | |
6368 | ||
6369 | freq_range->start_freq_khz = | |
6370 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_START]); | |
6371 | freq_range->end_freq_khz = | |
6372 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_END]); | |
6373 | freq_range->max_bandwidth_khz = | |
6374 | nla_get_u32(tb[NL80211_ATTR_FREQ_RANGE_MAX_BW]); | |
6375 | ||
6376 | power_rule->max_eirp = | |
6377 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_EIRP]); | |
6378 | ||
6379 | if (tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]) | |
6380 | power_rule->max_antenna_gain = | |
6381 | nla_get_u32(tb[NL80211_ATTR_POWER_RULE_MAX_ANT_GAIN]); | |
6382 | ||
6383 | if (tb[NL80211_ATTR_DFS_CAC_TIME]) | |
6384 | reg_rule->dfs_cac_ms = | |
6385 | nla_get_u32(tb[NL80211_ATTR_DFS_CAC_TIME]); | |
6386 | ||
6387 | return 0; | |
6388 | } | |
6389 | ||
b2e1b302 LR |
6390 | static int nl80211_set_reg(struct sk_buff *skb, struct genl_info *info) |
6391 | { | |
6392 | struct nlattr *tb[NL80211_REG_RULE_ATTR_MAX + 1]; | |
6393 | struct nlattr *nl_reg_rule; | |
ea372c54 JB |
6394 | char *alpha2; |
6395 | int rem_reg_rules, r; | |
b2e1b302 | 6396 | u32 num_rules = 0, rule_idx = 0, size_of_regd; |
4c7d3982 | 6397 | enum nl80211_dfs_regions dfs_region = NL80211_DFS_UNSET; |
ea372c54 | 6398 | struct ieee80211_regdomain *rd; |
b2e1b302 LR |
6399 | |
6400 | if (!info->attrs[NL80211_ATTR_REG_ALPHA2]) | |
6401 | return -EINVAL; | |
6402 | ||
6403 | if (!info->attrs[NL80211_ATTR_REG_RULES]) | |
6404 | return -EINVAL; | |
6405 | ||
6406 | alpha2 = nla_data(info->attrs[NL80211_ATTR_REG_ALPHA2]); | |
6407 | ||
8b60b078 LR |
6408 | if (info->attrs[NL80211_ATTR_DFS_REGION]) |
6409 | dfs_region = nla_get_u8(info->attrs[NL80211_ATTR_DFS_REGION]); | |
6410 | ||
b2e1b302 | 6411 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 6412 | rem_reg_rules) { |
b2e1b302 LR |
6413 | num_rules++; |
6414 | if (num_rules > NL80211_MAX_SUPP_REG_RULES) | |
4776c6e7 | 6415 | return -EINVAL; |
b2e1b302 LR |
6416 | } |
6417 | ||
e438768f LR |
6418 | if (!reg_is_valid_request(alpha2)) |
6419 | return -EINVAL; | |
6420 | ||
b2e1b302 | 6421 | size_of_regd = sizeof(struct ieee80211_regdomain) + |
1a919318 | 6422 | num_rules * sizeof(struct ieee80211_reg_rule); |
b2e1b302 LR |
6423 | |
6424 | rd = kzalloc(size_of_regd, GFP_KERNEL); | |
6913b49a JB |
6425 | if (!rd) |
6426 | return -ENOMEM; | |
b2e1b302 LR |
6427 | |
6428 | rd->n_reg_rules = num_rules; | |
6429 | rd->alpha2[0] = alpha2[0]; | |
6430 | rd->alpha2[1] = alpha2[1]; | |
6431 | ||
8b60b078 LR |
6432 | /* |
6433 | * Disable DFS master mode if the DFS region was | |
6434 | * not supported or known on this kernel. | |
6435 | */ | |
6436 | if (reg_supported_dfs_region(dfs_region)) | |
6437 | rd->dfs_region = dfs_region; | |
6438 | ||
b2e1b302 | 6439 | nla_for_each_nested(nl_reg_rule, info->attrs[NL80211_ATTR_REG_RULES], |
1a919318 | 6440 | rem_reg_rules) { |
bfe2c7b1 | 6441 | r = nla_parse_nested(tb, NL80211_REG_RULE_ATTR_MAX, |
fe52145f JB |
6442 | nl_reg_rule, reg_rule_policy, |
6443 | info->extack); | |
ae811e21 JB |
6444 | if (r) |
6445 | goto bad_reg; | |
b2e1b302 LR |
6446 | r = parse_reg_rule(tb, &rd->reg_rules[rule_idx]); |
6447 | if (r) | |
6448 | goto bad_reg; | |
6449 | ||
6450 | rule_idx++; | |
6451 | ||
d0e18f83 LR |
6452 | if (rule_idx > NL80211_MAX_SUPP_REG_RULES) { |
6453 | r = -EINVAL; | |
b2e1b302 | 6454 | goto bad_reg; |
d0e18f83 | 6455 | } |
b2e1b302 LR |
6456 | } |
6457 | ||
06627990 JB |
6458 | /* set_regdom takes ownership of rd */ |
6459 | return set_regdom(rd, REGD_SOURCE_CRDA); | |
d2372b31 | 6460 | bad_reg: |
b2e1b302 | 6461 | kfree(rd); |
d0e18f83 | 6462 | return r; |
b2e1b302 | 6463 | } |
b6863036 | 6464 | #endif /* CONFIG_CFG80211_CRDA_SUPPORT */ |
b2e1b302 | 6465 | |
83f5e2cf JB |
6466 | static int validate_scan_freqs(struct nlattr *freqs) |
6467 | { | |
6468 | struct nlattr *attr1, *attr2; | |
6469 | int n_channels = 0, tmp1, tmp2; | |
6470 | ||
6471 | nla_for_each_nested(attr1, freqs, tmp1) { | |
6472 | n_channels++; | |
6473 | /* | |
6474 | * Some hardware has a limited channel list for | |
6475 | * scanning, and it is pretty much nonsensical | |
6476 | * to scan for a channel twice, so disallow that | |
6477 | * and don't require drivers to check that the | |
6478 | * channel list they get isn't longer than what | |
6479 | * they can scan, as long as they can scan all | |
6480 | * the channels they registered at once. | |
6481 | */ | |
6482 | nla_for_each_nested(attr2, freqs, tmp2) | |
6483 | if (attr1 != attr2 && | |
6484 | nla_get_u32(attr1) == nla_get_u32(attr2)) | |
6485 | return 0; | |
6486 | } | |
6487 | ||
6488 | return n_channels; | |
6489 | } | |
6490 | ||
57fbcce3 | 6491 | static bool is_band_valid(struct wiphy *wiphy, enum nl80211_band b) |
38de03d2 | 6492 | { |
57fbcce3 | 6493 | return b < NUM_NL80211_BANDS && wiphy->bands[b]; |
38de03d2 AS |
6494 | } |
6495 | ||
6496 | static int parse_bss_select(struct nlattr *nla, struct wiphy *wiphy, | |
6497 | struct cfg80211_bss_selection *bss_select) | |
6498 | { | |
6499 | struct nlattr *attr[NL80211_BSS_SELECT_ATTR_MAX + 1]; | |
6500 | struct nlattr *nest; | |
6501 | int err; | |
6502 | bool found = false; | |
6503 | int i; | |
6504 | ||
6505 | /* only process one nested attribute */ | |
6506 | nest = nla_data(nla); | |
6507 | if (!nla_ok(nest, nla_len(nest))) | |
6508 | return -EINVAL; | |
6509 | ||
bfe2c7b1 | 6510 | err = nla_parse_nested(attr, NL80211_BSS_SELECT_ATTR_MAX, nest, |
fceb6435 | 6511 | nl80211_bss_select_policy, NULL); |
38de03d2 AS |
6512 | if (err) |
6513 | return err; | |
6514 | ||
6515 | /* only one attribute may be given */ | |
6516 | for (i = 0; i <= NL80211_BSS_SELECT_ATTR_MAX; i++) { | |
6517 | if (attr[i]) { | |
6518 | if (found) | |
6519 | return -EINVAL; | |
6520 | found = true; | |
6521 | } | |
6522 | } | |
6523 | ||
6524 | bss_select->behaviour = __NL80211_BSS_SELECT_ATTR_INVALID; | |
6525 | ||
6526 | if (attr[NL80211_BSS_SELECT_ATTR_RSSI]) | |
6527 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI; | |
6528 | ||
6529 | if (attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]) { | |
6530 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_BAND_PREF; | |
6531 | bss_select->param.band_pref = | |
6532 | nla_get_u32(attr[NL80211_BSS_SELECT_ATTR_BAND_PREF]); | |
6533 | if (!is_band_valid(wiphy, bss_select->param.band_pref)) | |
6534 | return -EINVAL; | |
6535 | } | |
6536 | ||
6537 | if (attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]) { | |
6538 | struct nl80211_bss_select_rssi_adjust *adj_param; | |
6539 | ||
6540 | adj_param = nla_data(attr[NL80211_BSS_SELECT_ATTR_RSSI_ADJUST]); | |
6541 | bss_select->behaviour = NL80211_BSS_SELECT_ATTR_RSSI_ADJUST; | |
6542 | bss_select->param.adjust.band = adj_param->band; | |
6543 | bss_select->param.adjust.delta = adj_param->delta; | |
6544 | if (!is_band_valid(wiphy, bss_select->param.adjust.band)) | |
6545 | return -EINVAL; | |
6546 | } | |
6547 | ||
6548 | /* user-space did not provide behaviour attribute */ | |
6549 | if (bss_select->behaviour == __NL80211_BSS_SELECT_ATTR_INVALID) | |
6550 | return -EINVAL; | |
6551 | ||
6552 | if (!(wiphy->bss_select_support & BIT(bss_select->behaviour))) | |
6553 | return -EINVAL; | |
6554 | ||
6555 | return 0; | |
6556 | } | |
6557 | ||
ad2b26ab JB |
6558 | static int nl80211_parse_random_mac(struct nlattr **attrs, |
6559 | u8 *mac_addr, u8 *mac_addr_mask) | |
6560 | { | |
6561 | int i; | |
6562 | ||
6563 | if (!attrs[NL80211_ATTR_MAC] && !attrs[NL80211_ATTR_MAC_MASK]) { | |
d2beae10 JP |
6564 | eth_zero_addr(mac_addr); |
6565 | eth_zero_addr(mac_addr_mask); | |
ad2b26ab JB |
6566 | mac_addr[0] = 0x2; |
6567 | mac_addr_mask[0] = 0x3; | |
6568 | ||
6569 | return 0; | |
6570 | } | |
6571 | ||
6572 | /* need both or none */ | |
6573 | if (!attrs[NL80211_ATTR_MAC] || !attrs[NL80211_ATTR_MAC_MASK]) | |
6574 | return -EINVAL; | |
6575 | ||
6576 | memcpy(mac_addr, nla_data(attrs[NL80211_ATTR_MAC]), ETH_ALEN); | |
6577 | memcpy(mac_addr_mask, nla_data(attrs[NL80211_ATTR_MAC_MASK]), ETH_ALEN); | |
6578 | ||
6579 | /* don't allow or configure an mcast address */ | |
6580 | if (!is_multicast_ether_addr(mac_addr_mask) || | |
6581 | is_multicast_ether_addr(mac_addr)) | |
6582 | return -EINVAL; | |
6583 | ||
6584 | /* | |
6585 | * allow users to pass a MAC address that has bits set outside | |
6586 | * of the mask, but don't bother drivers with having to deal | |
6587 | * with such bits | |
6588 | */ | |
6589 | for (i = 0; i < ETH_ALEN; i++) | |
6590 | mac_addr[i] &= mac_addr_mask[i]; | |
6591 | ||
6592 | return 0; | |
6593 | } | |
6594 | ||
34373d12 VT |
6595 | static bool cfg80211_off_channel_oper_allowed(struct wireless_dev *wdev) |
6596 | { | |
6597 | ASSERT_WDEV_LOCK(wdev); | |
6598 | ||
6599 | if (!cfg80211_beaconing_iface_active(wdev)) | |
6600 | return true; | |
6601 | ||
6602 | if (!(wdev->chandef.chan->flags & IEEE80211_CHAN_RADAR)) | |
6603 | return true; | |
6604 | ||
6605 | return regulatory_pre_cac_allowed(wdev->wiphy); | |
6606 | } | |
6607 | ||
2a519311 JB |
6608 | static int nl80211_trigger_scan(struct sk_buff *skb, struct genl_info *info) |
6609 | { | |
4c476991 | 6610 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fd014284 | 6611 | struct wireless_dev *wdev = info->user_ptr[1]; |
2a519311 | 6612 | struct cfg80211_scan_request *request; |
2a519311 JB |
6613 | struct nlattr *attr; |
6614 | struct wiphy *wiphy; | |
83f5e2cf | 6615 | int err, tmp, n_ssids = 0, n_channels, i; |
70692ad2 | 6616 | size_t ie_len; |
2a519311 | 6617 | |
f4a11bb0 JB |
6618 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
6619 | return -EINVAL; | |
6620 | ||
79c97e97 | 6621 | wiphy = &rdev->wiphy; |
2a519311 | 6622 | |
cb3b7d87 AB |
6623 | if (wdev->iftype == NL80211_IFTYPE_NAN) |
6624 | return -EOPNOTSUPP; | |
6625 | ||
4c476991 JB |
6626 | if (!rdev->ops->scan) |
6627 | return -EOPNOTSUPP; | |
2a519311 | 6628 | |
f9d15d16 | 6629 | if (rdev->scan_req || rdev->scan_msg) { |
f9f47529 JB |
6630 | err = -EBUSY; |
6631 | goto unlock; | |
6632 | } | |
2a519311 JB |
6633 | |
6634 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { | |
83f5e2cf JB |
6635 | n_channels = validate_scan_freqs( |
6636 | info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]); | |
f9f47529 JB |
6637 | if (!n_channels) { |
6638 | err = -EINVAL; | |
6639 | goto unlock; | |
6640 | } | |
2a519311 | 6641 | } else { |
bdfbec2d | 6642 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
2a519311 JB |
6643 | } |
6644 | ||
6645 | if (info->attrs[NL80211_ATTR_SCAN_SSIDS]) | |
6646 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) | |
6647 | n_ssids++; | |
6648 | ||
f9f47529 JB |
6649 | if (n_ssids > wiphy->max_scan_ssids) { |
6650 | err = -EINVAL; | |
6651 | goto unlock; | |
6652 | } | |
2a519311 | 6653 | |
70692ad2 JM |
6654 | if (info->attrs[NL80211_ATTR_IE]) |
6655 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
6656 | else | |
6657 | ie_len = 0; | |
6658 | ||
f9f47529 JB |
6659 | if (ie_len > wiphy->max_scan_ie_len) { |
6660 | err = -EINVAL; | |
6661 | goto unlock; | |
6662 | } | |
18a83659 | 6663 | |
2a519311 | 6664 | request = kzalloc(sizeof(*request) |
a2cd43c5 LC |
6665 | + sizeof(*request->ssids) * n_ssids |
6666 | + sizeof(*request->channels) * n_channels | |
70692ad2 | 6667 | + ie_len, GFP_KERNEL); |
f9f47529 JB |
6668 | if (!request) { |
6669 | err = -ENOMEM; | |
6670 | goto unlock; | |
6671 | } | |
2a519311 | 6672 | |
2a519311 | 6673 | if (n_ssids) |
5ba63533 | 6674 | request->ssids = (void *)&request->channels[n_channels]; |
2a519311 | 6675 | request->n_ssids = n_ssids; |
70692ad2 | 6676 | if (ie_len) { |
13874e4b | 6677 | if (n_ssids) |
70692ad2 JM |
6678 | request->ie = (void *)(request->ssids + n_ssids); |
6679 | else | |
6680 | request->ie = (void *)(request->channels + n_channels); | |
6681 | } | |
2a519311 | 6682 | |
584991dc | 6683 | i = 0; |
2a519311 JB |
6684 | if (info->attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
6685 | /* user specified, bail out if channel not found */ | |
2a519311 | 6686 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_FREQUENCIES], tmp) { |
584991dc JB |
6687 | struct ieee80211_channel *chan; |
6688 | ||
6689 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
6690 | ||
6691 | if (!chan) { | |
2a519311 JB |
6692 | err = -EINVAL; |
6693 | goto out_free; | |
6694 | } | |
584991dc JB |
6695 | |
6696 | /* ignore disabled channels */ | |
6697 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6698 | continue; | |
6699 | ||
6700 | request->channels[i] = chan; | |
2a519311 JB |
6701 | i++; |
6702 | } | |
6703 | } else { | |
57fbcce3 | 6704 | enum nl80211_band band; |
34850ab2 | 6705 | |
2a519311 | 6706 | /* all channels */ |
57fbcce3 | 6707 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
2a519311 | 6708 | int j; |
7a087e74 | 6709 | |
2a519311 JB |
6710 | if (!wiphy->bands[band]) |
6711 | continue; | |
6712 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
584991dc JB |
6713 | struct ieee80211_channel *chan; |
6714 | ||
6715 | chan = &wiphy->bands[band]->channels[j]; | |
6716 | ||
6717 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
6718 | continue; | |
6719 | ||
6720 | request->channels[i] = chan; | |
2a519311 JB |
6721 | i++; |
6722 | } | |
6723 | } | |
6724 | } | |
6725 | ||
584991dc JB |
6726 | if (!i) { |
6727 | err = -EINVAL; | |
6728 | goto out_free; | |
6729 | } | |
6730 | ||
6731 | request->n_channels = i; | |
6732 | ||
34373d12 VT |
6733 | wdev_lock(wdev); |
6734 | if (!cfg80211_off_channel_oper_allowed(wdev)) { | |
6735 | struct ieee80211_channel *chan; | |
6736 | ||
6737 | if (request->n_channels != 1) { | |
6738 | wdev_unlock(wdev); | |
6739 | err = -EBUSY; | |
6740 | goto out_free; | |
6741 | } | |
6742 | ||
6743 | chan = request->channels[0]; | |
6744 | if (chan->center_freq != wdev->chandef.chan->center_freq) { | |
6745 | wdev_unlock(wdev); | |
6746 | err = -EBUSY; | |
6747 | goto out_free; | |
6748 | } | |
6749 | } | |
6750 | wdev_unlock(wdev); | |
6751 | ||
2a519311 | 6752 | i = 0; |
13874e4b | 6753 | if (n_ssids) { |
2a519311 | 6754 | nla_for_each_nested(attr, info->attrs[NL80211_ATTR_SCAN_SSIDS], tmp) { |
57a27e1d | 6755 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
2a519311 JB |
6756 | err = -EINVAL; |
6757 | goto out_free; | |
6758 | } | |
57a27e1d | 6759 | request->ssids[i].ssid_len = nla_len(attr); |
2a519311 | 6760 | memcpy(request->ssids[i].ssid, nla_data(attr), nla_len(attr)); |
2a519311 JB |
6761 | i++; |
6762 | } | |
6763 | } | |
6764 | ||
70692ad2 JM |
6765 | if (info->attrs[NL80211_ATTR_IE]) { |
6766 | request->ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
de95a54b JB |
6767 | memcpy((void *)request->ie, |
6768 | nla_data(info->attrs[NL80211_ATTR_IE]), | |
70692ad2 JM |
6769 | request->ie_len); |
6770 | } | |
6771 | ||
57fbcce3 | 6772 | for (i = 0; i < NUM_NL80211_BANDS; i++) |
a401d2bb JB |
6773 | if (wiphy->bands[i]) |
6774 | request->rates[i] = | |
6775 | (1 << wiphy->bands[i]->n_bitrates) - 1; | |
34850ab2 JB |
6776 | |
6777 | if (info->attrs[NL80211_ATTR_SCAN_SUPP_RATES]) { | |
6778 | nla_for_each_nested(attr, | |
6779 | info->attrs[NL80211_ATTR_SCAN_SUPP_RATES], | |
6780 | tmp) { | |
57fbcce3 | 6781 | enum nl80211_band band = nla_type(attr); |
34850ab2 | 6782 | |
57fbcce3 | 6783 | if (band < 0 || band >= NUM_NL80211_BANDS) { |
34850ab2 JB |
6784 | err = -EINVAL; |
6785 | goto out_free; | |
6786 | } | |
1b09cd82 FF |
6787 | |
6788 | if (!wiphy->bands[band]) | |
6789 | continue; | |
6790 | ||
34850ab2 JB |
6791 | err = ieee80211_get_ratemask(wiphy->bands[band], |
6792 | nla_data(attr), | |
6793 | nla_len(attr), | |
6794 | &request->rates[band]); | |
6795 | if (err) | |
6796 | goto out_free; | |
6797 | } | |
6798 | } | |
6799 | ||
1d76250b AS |
6800 | if (info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]) { |
6801 | if (!wiphy_ext_feature_isset(wiphy, | |
6802 | NL80211_EXT_FEATURE_SET_SCAN_DWELL)) { | |
6803 | err = -EOPNOTSUPP; | |
6804 | goto out_free; | |
6805 | } | |
6806 | ||
6807 | request->duration = | |
6808 | nla_get_u16(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION]); | |
6809 | request->duration_mandatory = | |
6810 | nla_get_flag(info->attrs[NL80211_ATTR_MEASUREMENT_DURATION_MANDATORY]); | |
6811 | } | |
6812 | ||
46856bbf | 6813 | if (info->attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 SL |
6814 | request->flags = nla_get_u32( |
6815 | info->attrs[NL80211_ATTR_SCAN_FLAGS]); | |
00c3a6ed JB |
6816 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
6817 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
6818 | err = -EOPNOTSUPP; |
6819 | goto out_free; | |
6820 | } | |
ad2b26ab JB |
6821 | |
6822 | if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { | |
6823 | if (!(wiphy->features & | |
6824 | NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR)) { | |
6825 | err = -EOPNOTSUPP; | |
6826 | goto out_free; | |
6827 | } | |
6828 | ||
6829 | if (wdev->current_bss) { | |
6830 | err = -EOPNOTSUPP; | |
6831 | goto out_free; | |
6832 | } | |
6833 | ||
6834 | err = nl80211_parse_random_mac(info->attrs, | |
6835 | request->mac_addr, | |
6836 | request->mac_addr_mask); | |
6837 | if (err) | |
6838 | goto out_free; | |
6839 | } | |
46856bbf | 6840 | } |
ed473771 | 6841 | |
e9f935e3 RM |
6842 | request->no_cck = |
6843 | nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); | |
6844 | ||
2fa436b3 VK |
6845 | /* Initial implementation used NL80211_ATTR_MAC to set the specific |
6846 | * BSSID to scan for. This was problematic because that same attribute | |
6847 | * was already used for another purpose (local random MAC address). The | |
6848 | * NL80211_ATTR_BSSID attribute was added to fix this. For backwards | |
6849 | * compatibility with older userspace components, also use the | |
6850 | * NL80211_ATTR_MAC value here if it can be determined to be used for | |
6851 | * the specific BSSID use case instead of the random MAC address | |
6852 | * (NL80211_ATTR_SCAN_FLAGS is used to enable random MAC address use). | |
6853 | */ | |
6854 | if (info->attrs[NL80211_ATTR_BSSID]) | |
6855 | memcpy(request->bssid, | |
6856 | nla_data(info->attrs[NL80211_ATTR_BSSID]), ETH_ALEN); | |
6857 | else if (!(request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) && | |
6858 | info->attrs[NL80211_ATTR_MAC]) | |
818965d3 JM |
6859 | memcpy(request->bssid, nla_data(info->attrs[NL80211_ATTR_MAC]), |
6860 | ETH_ALEN); | |
6861 | else | |
6862 | eth_broadcast_addr(request->bssid); | |
6863 | ||
fd014284 | 6864 | request->wdev = wdev; |
79c97e97 | 6865 | request->wiphy = &rdev->wiphy; |
15d6030b | 6866 | request->scan_start = jiffies; |
2a519311 | 6867 | |
79c97e97 | 6868 | rdev->scan_req = request; |
e35e4d28 | 6869 | err = rdev_scan(rdev, request); |
2a519311 | 6870 | |
463d0183 | 6871 | if (!err) { |
fd014284 JB |
6872 | nl80211_send_scan_start(rdev, wdev); |
6873 | if (wdev->netdev) | |
6874 | dev_hold(wdev->netdev); | |
4c476991 | 6875 | } else { |
2a519311 | 6876 | out_free: |
79c97e97 | 6877 | rdev->scan_req = NULL; |
2a519311 JB |
6878 | kfree(request); |
6879 | } | |
3b85875a | 6880 | |
f9f47529 | 6881 | unlock: |
2a519311 JB |
6882 | return err; |
6883 | } | |
6884 | ||
91d3ab46 VK |
6885 | static int nl80211_abort_scan(struct sk_buff *skb, struct genl_info *info) |
6886 | { | |
6887 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
6888 | struct wireless_dev *wdev = info->user_ptr[1]; | |
6889 | ||
6890 | if (!rdev->ops->abort_scan) | |
6891 | return -EOPNOTSUPP; | |
6892 | ||
6893 | if (rdev->scan_msg) | |
6894 | return 0; | |
6895 | ||
6896 | if (!rdev->scan_req) | |
6897 | return -ENOENT; | |
6898 | ||
6899 | rdev_abort_scan(rdev, wdev); | |
6900 | return 0; | |
6901 | } | |
6902 | ||
3b06d277 AS |
6903 | static int |
6904 | nl80211_parse_sched_scan_plans(struct wiphy *wiphy, int n_plans, | |
6905 | struct cfg80211_sched_scan_request *request, | |
6906 | struct nlattr **attrs) | |
6907 | { | |
6908 | int tmp, err, i = 0; | |
6909 | struct nlattr *attr; | |
6910 | ||
6911 | if (!attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) { | |
6912 | u32 interval; | |
6913 | ||
6914 | /* | |
6915 | * If scan plans are not specified, | |
5a88de53 | 6916 | * %NL80211_ATTR_SCHED_SCAN_INTERVAL will be specified. In this |
3b06d277 AS |
6917 | * case one scan plan will be set with the specified scan |
6918 | * interval and infinite number of iterations. | |
6919 | */ | |
3b06d277 AS |
6920 | interval = nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]); |
6921 | if (!interval) | |
6922 | return -EINVAL; | |
6923 | ||
6924 | request->scan_plans[0].interval = | |
6925 | DIV_ROUND_UP(interval, MSEC_PER_SEC); | |
6926 | if (!request->scan_plans[0].interval) | |
6927 | return -EINVAL; | |
6928 | ||
6929 | if (request->scan_plans[0].interval > | |
6930 | wiphy->max_sched_scan_plan_interval) | |
6931 | request->scan_plans[0].interval = | |
6932 | wiphy->max_sched_scan_plan_interval; | |
6933 | ||
6934 | return 0; | |
6935 | } | |
6936 | ||
6937 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) { | |
6938 | struct nlattr *plan[NL80211_SCHED_SCAN_PLAN_MAX + 1]; | |
6939 | ||
6940 | if (WARN_ON(i >= n_plans)) | |
6941 | return -EINVAL; | |
6942 | ||
bfe2c7b1 | 6943 | err = nla_parse_nested(plan, NL80211_SCHED_SCAN_PLAN_MAX, |
fceb6435 | 6944 | attr, nl80211_plan_policy, NULL); |
3b06d277 AS |
6945 | if (err) |
6946 | return err; | |
6947 | ||
6948 | if (!plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]) | |
6949 | return -EINVAL; | |
6950 | ||
6951 | request->scan_plans[i].interval = | |
6952 | nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_INTERVAL]); | |
6953 | if (!request->scan_plans[i].interval || | |
6954 | request->scan_plans[i].interval > | |
6955 | wiphy->max_sched_scan_plan_interval) | |
6956 | return -EINVAL; | |
6957 | ||
6958 | if (plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]) { | |
6959 | request->scan_plans[i].iterations = | |
6960 | nla_get_u32(plan[NL80211_SCHED_SCAN_PLAN_ITERATIONS]); | |
6961 | if (!request->scan_plans[i].iterations || | |
6962 | (request->scan_plans[i].iterations > | |
6963 | wiphy->max_sched_scan_plan_iterations)) | |
6964 | return -EINVAL; | |
6965 | } else if (i < n_plans - 1) { | |
6966 | /* | |
6967 | * All scan plans but the last one must specify | |
6968 | * a finite number of iterations | |
6969 | */ | |
6970 | return -EINVAL; | |
6971 | } | |
6972 | ||
6973 | i++; | |
6974 | } | |
6975 | ||
6976 | /* | |
6977 | * The last scan plan must not specify the number of | |
6978 | * iterations, it is supposed to run infinitely | |
6979 | */ | |
6980 | if (request->scan_plans[n_plans - 1].iterations) | |
6981 | return -EINVAL; | |
6982 | ||
6983 | return 0; | |
6984 | } | |
6985 | ||
256da02d | 6986 | static struct cfg80211_sched_scan_request * |
ad2b26ab | 6987 | nl80211_parse_sched_scan(struct wiphy *wiphy, struct wireless_dev *wdev, |
aad1e812 | 6988 | struct nlattr **attrs, int max_match_sets) |
807f8a8c LC |
6989 | { |
6990 | struct cfg80211_sched_scan_request *request; | |
807f8a8c | 6991 | struct nlattr *attr; |
3b06d277 | 6992 | int err, tmp, n_ssids = 0, n_match_sets = 0, n_channels, i, n_plans = 0; |
57fbcce3 | 6993 | enum nl80211_band band; |
807f8a8c | 6994 | size_t ie_len; |
a1f1c21c | 6995 | struct nlattr *tb[NL80211_SCHED_SCAN_MATCH_ATTR_MAX + 1]; |
ea73cbce | 6996 | s32 default_match_rssi = NL80211_SCAN_RSSI_THOLD_OFF; |
807f8a8c | 6997 | |
256da02d LC |
6998 | if (!is_valid_ie_attr(attrs[NL80211_ATTR_IE])) |
6999 | return ERR_PTR(-EINVAL); | |
807f8a8c | 7000 | |
256da02d | 7001 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c | 7002 | n_channels = validate_scan_freqs( |
256da02d | 7003 | attrs[NL80211_ATTR_SCAN_FREQUENCIES]); |
807f8a8c | 7004 | if (!n_channels) |
256da02d | 7005 | return ERR_PTR(-EINVAL); |
807f8a8c | 7006 | } else { |
bdfbec2d | 7007 | n_channels = ieee80211_get_num_supported_channels(wiphy); |
807f8a8c LC |
7008 | } |
7009 | ||
256da02d LC |
7010 | if (attrs[NL80211_ATTR_SCAN_SSIDS]) |
7011 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], | |
807f8a8c LC |
7012 | tmp) |
7013 | n_ssids++; | |
7014 | ||
93b6aa69 | 7015 | if (n_ssids > wiphy->max_sched_scan_ssids) |
256da02d | 7016 | return ERR_PTR(-EINVAL); |
807f8a8c | 7017 | |
ea73cbce JB |
7018 | /* |
7019 | * First, count the number of 'real' matchsets. Due to an issue with | |
7020 | * the old implementation, matchsets containing only the RSSI attribute | |
7021 | * (NL80211_SCHED_SCAN_MATCH_ATTR_RSSI) are considered as the 'default' | |
7022 | * RSSI for all matchsets, rather than their own matchset for reporting | |
7023 | * all APs with a strong RSSI. This is needed to be compatible with | |
7024 | * older userspace that treated a matchset with only the RSSI as the | |
7025 | * global RSSI for all other matchsets - if there are other matchsets. | |
7026 | */ | |
256da02d | 7027 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 7028 | nla_for_each_nested(attr, |
256da02d | 7029 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
ea73cbce JB |
7030 | tmp) { |
7031 | struct nlattr *rssi; | |
7032 | ||
bfe2c7b1 JB |
7033 | err = nla_parse_nested(tb, |
7034 | NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
fceb6435 JB |
7035 | attr, nl80211_match_policy, |
7036 | NULL); | |
ea73cbce | 7037 | if (err) |
256da02d | 7038 | return ERR_PTR(err); |
3007e352 AVS |
7039 | |
7040 | /* SSID and BSSID are mutually exclusive */ | |
7041 | if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] && | |
7042 | tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) | |
7043 | return ERR_PTR(-EINVAL); | |
7044 | ||
ea73cbce | 7045 | /* add other standalone attributes here */ |
3007e352 AVS |
7046 | if (tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID] || |
7047 | tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]) { | |
ea73cbce JB |
7048 | n_match_sets++; |
7049 | continue; | |
7050 | } | |
7051 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
7052 | if (rssi) | |
7053 | default_match_rssi = nla_get_s32(rssi); | |
7054 | } | |
7055 | } | |
7056 | ||
7057 | /* However, if there's no other matchset, add the RSSI one */ | |
7058 | if (!n_match_sets && default_match_rssi != NL80211_SCAN_RSSI_THOLD_OFF) | |
7059 | n_match_sets = 1; | |
a1f1c21c | 7060 | |
aad1e812 | 7061 | if (n_match_sets > max_match_sets) |
256da02d | 7062 | return ERR_PTR(-EINVAL); |
a1f1c21c | 7063 | |
256da02d LC |
7064 | if (attrs[NL80211_ATTR_IE]) |
7065 | ie_len = nla_len(attrs[NL80211_ATTR_IE]); | |
807f8a8c LC |
7066 | else |
7067 | ie_len = 0; | |
7068 | ||
5a865bad | 7069 | if (ie_len > wiphy->max_sched_scan_ie_len) |
256da02d | 7070 | return ERR_PTR(-EINVAL); |
c10841ca | 7071 | |
3b06d277 AS |
7072 | if (attrs[NL80211_ATTR_SCHED_SCAN_PLANS]) { |
7073 | /* | |
7074 | * NL80211_ATTR_SCHED_SCAN_INTERVAL must not be specified since | |
7075 | * each scan plan already specifies its own interval | |
7076 | */ | |
7077 | if (attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
7078 | return ERR_PTR(-EINVAL); | |
7079 | ||
7080 | nla_for_each_nested(attr, | |
7081 | attrs[NL80211_ATTR_SCHED_SCAN_PLANS], tmp) | |
7082 | n_plans++; | |
7083 | } else { | |
7084 | /* | |
7085 | * The scan interval attribute is kept for backward | |
7086 | * compatibility. If no scan plans are specified and sched scan | |
7087 | * interval is specified, one scan plan will be set with this | |
7088 | * scan interval and infinite number of iterations. | |
7089 | */ | |
7090 | if (!attrs[NL80211_ATTR_SCHED_SCAN_INTERVAL]) | |
7091 | return ERR_PTR(-EINVAL); | |
7092 | ||
7093 | n_plans = 1; | |
7094 | } | |
7095 | ||
7096 | if (!n_plans || n_plans > wiphy->max_sched_scan_plans) | |
7097 | return ERR_PTR(-EINVAL); | |
7098 | ||
bf95ecdb | 7099 | if (!wiphy_ext_feature_isset( |
7100 | wiphy, NL80211_EXT_FEATURE_SCHED_SCAN_RELATIVE_RSSI) && | |
7101 | (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI] || | |
7102 | attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST])) | |
7103 | return ERR_PTR(-EINVAL); | |
7104 | ||
807f8a8c | 7105 | request = kzalloc(sizeof(*request) |
a2cd43c5 | 7106 | + sizeof(*request->ssids) * n_ssids |
a1f1c21c | 7107 | + sizeof(*request->match_sets) * n_match_sets |
3b06d277 | 7108 | + sizeof(*request->scan_plans) * n_plans |
a2cd43c5 | 7109 | + sizeof(*request->channels) * n_channels |
807f8a8c | 7110 | + ie_len, GFP_KERNEL); |
256da02d LC |
7111 | if (!request) |
7112 | return ERR_PTR(-ENOMEM); | |
807f8a8c LC |
7113 | |
7114 | if (n_ssids) | |
7115 | request->ssids = (void *)&request->channels[n_channels]; | |
7116 | request->n_ssids = n_ssids; | |
7117 | if (ie_len) { | |
13874e4b | 7118 | if (n_ssids) |
807f8a8c LC |
7119 | request->ie = (void *)(request->ssids + n_ssids); |
7120 | else | |
7121 | request->ie = (void *)(request->channels + n_channels); | |
7122 | } | |
7123 | ||
a1f1c21c LC |
7124 | if (n_match_sets) { |
7125 | if (request->ie) | |
7126 | request->match_sets = (void *)(request->ie + ie_len); | |
13874e4b | 7127 | else if (n_ssids) |
a1f1c21c LC |
7128 | request->match_sets = |
7129 | (void *)(request->ssids + n_ssids); | |
7130 | else | |
7131 | request->match_sets = | |
7132 | (void *)(request->channels + n_channels); | |
7133 | } | |
7134 | request->n_match_sets = n_match_sets; | |
7135 | ||
3b06d277 AS |
7136 | if (n_match_sets) |
7137 | request->scan_plans = (void *)(request->match_sets + | |
7138 | n_match_sets); | |
7139 | else if (request->ie) | |
7140 | request->scan_plans = (void *)(request->ie + ie_len); | |
7141 | else if (n_ssids) | |
7142 | request->scan_plans = (void *)(request->ssids + n_ssids); | |
7143 | else | |
7144 | request->scan_plans = (void *)(request->channels + n_channels); | |
7145 | ||
7146 | request->n_scan_plans = n_plans; | |
7147 | ||
807f8a8c | 7148 | i = 0; |
256da02d | 7149 | if (attrs[NL80211_ATTR_SCAN_FREQUENCIES]) { |
807f8a8c LC |
7150 | /* user specified, bail out if channel not found */ |
7151 | nla_for_each_nested(attr, | |
256da02d | 7152 | attrs[NL80211_ATTR_SCAN_FREQUENCIES], |
807f8a8c LC |
7153 | tmp) { |
7154 | struct ieee80211_channel *chan; | |
7155 | ||
7156 | chan = ieee80211_get_channel(wiphy, nla_get_u32(attr)); | |
7157 | ||
7158 | if (!chan) { | |
7159 | err = -EINVAL; | |
7160 | goto out_free; | |
7161 | } | |
7162 | ||
7163 | /* ignore disabled channels */ | |
7164 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
7165 | continue; | |
7166 | ||
7167 | request->channels[i] = chan; | |
7168 | i++; | |
7169 | } | |
7170 | } else { | |
7171 | /* all channels */ | |
57fbcce3 | 7172 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
807f8a8c | 7173 | int j; |
7a087e74 | 7174 | |
807f8a8c LC |
7175 | if (!wiphy->bands[band]) |
7176 | continue; | |
7177 | for (j = 0; j < wiphy->bands[band]->n_channels; j++) { | |
7178 | struct ieee80211_channel *chan; | |
7179 | ||
7180 | chan = &wiphy->bands[band]->channels[j]; | |
7181 | ||
7182 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
7183 | continue; | |
7184 | ||
7185 | request->channels[i] = chan; | |
7186 | i++; | |
7187 | } | |
7188 | } | |
7189 | } | |
7190 | ||
7191 | if (!i) { | |
7192 | err = -EINVAL; | |
7193 | goto out_free; | |
7194 | } | |
7195 | ||
7196 | request->n_channels = i; | |
7197 | ||
7198 | i = 0; | |
13874e4b | 7199 | if (n_ssids) { |
256da02d | 7200 | nla_for_each_nested(attr, attrs[NL80211_ATTR_SCAN_SSIDS], |
807f8a8c | 7201 | tmp) { |
57a27e1d | 7202 | if (nla_len(attr) > IEEE80211_MAX_SSID_LEN) { |
807f8a8c LC |
7203 | err = -EINVAL; |
7204 | goto out_free; | |
7205 | } | |
57a27e1d | 7206 | request->ssids[i].ssid_len = nla_len(attr); |
807f8a8c LC |
7207 | memcpy(request->ssids[i].ssid, nla_data(attr), |
7208 | nla_len(attr)); | |
807f8a8c LC |
7209 | i++; |
7210 | } | |
7211 | } | |
7212 | ||
a1f1c21c | 7213 | i = 0; |
256da02d | 7214 | if (attrs[NL80211_ATTR_SCHED_SCAN_MATCH]) { |
a1f1c21c | 7215 | nla_for_each_nested(attr, |
256da02d | 7216 | attrs[NL80211_ATTR_SCHED_SCAN_MATCH], |
a1f1c21c | 7217 | tmp) { |
3007e352 | 7218 | struct nlattr *ssid, *bssid, *rssi; |
a1f1c21c | 7219 | |
bfe2c7b1 JB |
7220 | err = nla_parse_nested(tb, |
7221 | NL80211_SCHED_SCAN_MATCH_ATTR_MAX, | |
fceb6435 JB |
7222 | attr, nl80211_match_policy, |
7223 | NULL); | |
ae811e21 JB |
7224 | if (err) |
7225 | goto out_free; | |
4a4ab0d7 | 7226 | ssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_SSID]; |
3007e352 AVS |
7227 | bssid = tb[NL80211_SCHED_SCAN_MATCH_ATTR_BSSID]; |
7228 | if (ssid || bssid) { | |
ea73cbce JB |
7229 | if (WARN_ON(i >= n_match_sets)) { |
7230 | /* this indicates a programming error, | |
7231 | * the loop above should have verified | |
7232 | * things properly | |
7233 | */ | |
7234 | err = -EINVAL; | |
7235 | goto out_free; | |
7236 | } | |
7237 | ||
3007e352 AVS |
7238 | if (ssid) { |
7239 | if (nla_len(ssid) > IEEE80211_MAX_SSID_LEN) { | |
7240 | err = -EINVAL; | |
7241 | goto out_free; | |
7242 | } | |
7243 | memcpy(request->match_sets[i].ssid.ssid, | |
7244 | nla_data(ssid), nla_len(ssid)); | |
7245 | request->match_sets[i].ssid.ssid_len = | |
7246 | nla_len(ssid); | |
7247 | } | |
7248 | if (bssid) { | |
7249 | if (nla_len(bssid) != ETH_ALEN) { | |
7250 | err = -EINVAL; | |
7251 | goto out_free; | |
7252 | } | |
7253 | memcpy(request->match_sets[i].bssid, | |
7254 | nla_data(bssid), ETH_ALEN); | |
a1f1c21c | 7255 | } |
3007e352 | 7256 | |
56ab364f | 7257 | /* special attribute - old implementation w/a */ |
ea73cbce JB |
7258 | request->match_sets[i].rssi_thold = |
7259 | default_match_rssi; | |
7260 | rssi = tb[NL80211_SCHED_SCAN_MATCH_ATTR_RSSI]; | |
7261 | if (rssi) | |
7262 | request->match_sets[i].rssi_thold = | |
7263 | nla_get_s32(rssi); | |
a1f1c21c LC |
7264 | } |
7265 | i++; | |
7266 | } | |
ea73cbce JB |
7267 | |
7268 | /* there was no other matchset, so the RSSI one is alone */ | |
f89f46cf | 7269 | if (i == 0 && n_match_sets) |
ea73cbce JB |
7270 | request->match_sets[0].rssi_thold = default_match_rssi; |
7271 | ||
7272 | request->min_rssi_thold = INT_MAX; | |
7273 | for (i = 0; i < n_match_sets; i++) | |
7274 | request->min_rssi_thold = | |
7275 | min(request->match_sets[i].rssi_thold, | |
7276 | request->min_rssi_thold); | |
7277 | } else { | |
7278 | request->min_rssi_thold = NL80211_SCAN_RSSI_THOLD_OFF; | |
a1f1c21c LC |
7279 | } |
7280 | ||
9900e484 JB |
7281 | if (ie_len) { |
7282 | request->ie_len = ie_len; | |
807f8a8c | 7283 | memcpy((void *)request->ie, |
256da02d | 7284 | nla_data(attrs[NL80211_ATTR_IE]), |
807f8a8c LC |
7285 | request->ie_len); |
7286 | } | |
7287 | ||
256da02d | 7288 | if (attrs[NL80211_ATTR_SCAN_FLAGS]) { |
ed473771 | 7289 | request->flags = nla_get_u32( |
256da02d | 7290 | attrs[NL80211_ATTR_SCAN_FLAGS]); |
00c3a6ed JB |
7291 | if ((request->flags & NL80211_SCAN_FLAG_LOW_PRIORITY) && |
7292 | !(wiphy->features & NL80211_FEATURE_LOW_PRIORITY_SCAN)) { | |
46856bbf SL |
7293 | err = -EOPNOTSUPP; |
7294 | goto out_free; | |
7295 | } | |
ad2b26ab JB |
7296 | |
7297 | if (request->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { | |
7298 | u32 flg = NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR; | |
7299 | ||
7300 | if (!wdev) /* must be net-detect */ | |
7301 | flg = NL80211_FEATURE_ND_RANDOM_MAC_ADDR; | |
7302 | ||
7303 | if (!(wiphy->features & flg)) { | |
7304 | err = -EOPNOTSUPP; | |
7305 | goto out_free; | |
7306 | } | |
7307 | ||
7308 | if (wdev && wdev->current_bss) { | |
7309 | err = -EOPNOTSUPP; | |
7310 | goto out_free; | |
7311 | } | |
7312 | ||
7313 | err = nl80211_parse_random_mac(attrs, request->mac_addr, | |
7314 | request->mac_addr_mask); | |
7315 | if (err) | |
7316 | goto out_free; | |
7317 | } | |
46856bbf | 7318 | } |
ed473771 | 7319 | |
9c748934 LC |
7320 | if (attrs[NL80211_ATTR_SCHED_SCAN_DELAY]) |
7321 | request->delay = | |
7322 | nla_get_u32(attrs[NL80211_ATTR_SCHED_SCAN_DELAY]); | |
7323 | ||
bf95ecdb | 7324 | if (attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]) { |
7325 | request->relative_rssi = nla_get_s8( | |
7326 | attrs[NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI]); | |
7327 | request->relative_rssi_set = true; | |
7328 | } | |
7329 | ||
7330 | if (request->relative_rssi_set && | |
7331 | attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]) { | |
7332 | struct nl80211_bss_select_rssi_adjust *rssi_adjust; | |
7333 | ||
7334 | rssi_adjust = nla_data( | |
7335 | attrs[NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST]); | |
7336 | request->rssi_adjust.band = rssi_adjust->band; | |
7337 | request->rssi_adjust.delta = rssi_adjust->delta; | |
7338 | if (!is_band_valid(wiphy, request->rssi_adjust.band)) { | |
7339 | err = -EINVAL; | |
7340 | goto out_free; | |
7341 | } | |
7342 | } | |
7343 | ||
3b06d277 AS |
7344 | err = nl80211_parse_sched_scan_plans(wiphy, n_plans, request, attrs); |
7345 | if (err) | |
7346 | goto out_free; | |
7347 | ||
15d6030b | 7348 | request->scan_start = jiffies; |
807f8a8c | 7349 | |
256da02d | 7350 | return request; |
807f8a8c LC |
7351 | |
7352 | out_free: | |
7353 | kfree(request); | |
256da02d LC |
7354 | return ERR_PTR(err); |
7355 | } | |
7356 | ||
7357 | static int nl80211_start_sched_scan(struct sk_buff *skb, | |
7358 | struct genl_info *info) | |
7359 | { | |
7360 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7361 | struct net_device *dev = info->user_ptr[1]; | |
ad2b26ab | 7362 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
31a60ed1 | 7363 | struct cfg80211_sched_scan_request *sched_scan_req; |
ca986ad9 | 7364 | bool want_multi; |
256da02d LC |
7365 | int err; |
7366 | ||
ca986ad9 | 7367 | if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_start) |
256da02d LC |
7368 | return -EOPNOTSUPP; |
7369 | ||
ca986ad9 AVS |
7370 | want_multi = info->attrs[NL80211_ATTR_SCHED_SCAN_MULTI]; |
7371 | err = cfg80211_sched_scan_req_possible(rdev, want_multi); | |
7372 | if (err) | |
7373 | return err; | |
256da02d | 7374 | |
31a60ed1 | 7375 | sched_scan_req = nl80211_parse_sched_scan(&rdev->wiphy, wdev, |
aad1e812 AVS |
7376 | info->attrs, |
7377 | rdev->wiphy.max_match_sets); | |
31a60ed1 JR |
7378 | |
7379 | err = PTR_ERR_OR_ZERO(sched_scan_req); | |
256da02d LC |
7380 | if (err) |
7381 | goto out_err; | |
7382 | ||
ca986ad9 AVS |
7383 | /* leave request id zero for legacy request |
7384 | * or if driver does not support multi-scheduled scan | |
7385 | */ | |
7386 | if (want_multi && rdev->wiphy.max_sched_scan_reqs > 1) { | |
7387 | while (!sched_scan_req->reqid) | |
7388 | sched_scan_req->reqid = rdev->wiphy.cookie_counter++; | |
7389 | } | |
7390 | ||
31a60ed1 | 7391 | err = rdev_sched_scan_start(rdev, dev, sched_scan_req); |
256da02d LC |
7392 | if (err) |
7393 | goto out_free; | |
7394 | ||
31a60ed1 JR |
7395 | sched_scan_req->dev = dev; |
7396 | sched_scan_req->wiphy = &rdev->wiphy; | |
7397 | ||
93a1e86c JR |
7398 | if (info->attrs[NL80211_ATTR_SOCKET_OWNER]) |
7399 | sched_scan_req->owner_nlportid = info->snd_portid; | |
7400 | ||
ca986ad9 | 7401 | cfg80211_add_sched_scan_req(rdev, sched_scan_req); |
256da02d | 7402 | |
96b08fd6 | 7403 | nl80211_send_sched_scan(sched_scan_req, NL80211_CMD_START_SCHED_SCAN); |
256da02d LC |
7404 | return 0; |
7405 | ||
7406 | out_free: | |
31a60ed1 | 7407 | kfree(sched_scan_req); |
256da02d | 7408 | out_err: |
807f8a8c LC |
7409 | return err; |
7410 | } | |
7411 | ||
7412 | static int nl80211_stop_sched_scan(struct sk_buff *skb, | |
7413 | struct genl_info *info) | |
7414 | { | |
ca986ad9 | 7415 | struct cfg80211_sched_scan_request *req; |
807f8a8c | 7416 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ca986ad9 | 7417 | u64 cookie; |
807f8a8c | 7418 | |
ca986ad9 | 7419 | if (!rdev->wiphy.max_sched_scan_reqs || !rdev->ops->sched_scan_stop) |
807f8a8c LC |
7420 | return -EOPNOTSUPP; |
7421 | ||
ca986ad9 AVS |
7422 | if (info->attrs[NL80211_ATTR_COOKIE]) { |
7423 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
7424 | return __cfg80211_stop_sched_scan(rdev, cookie, false); | |
7425 | } | |
7426 | ||
7427 | req = list_first_or_null_rcu(&rdev->sched_scan_req_list, | |
7428 | struct cfg80211_sched_scan_request, | |
7429 | list); | |
7430 | if (!req || req->reqid || | |
7431 | (req->owner_nlportid && | |
7432 | req->owner_nlportid != info->snd_portid)) | |
7433 | return -ENOENT; | |
7434 | ||
7435 | return cfg80211_stop_sched_scan_req(rdev, req, false); | |
807f8a8c LC |
7436 | } |
7437 | ||
04f39047 SW |
7438 | static int nl80211_start_radar_detection(struct sk_buff *skb, |
7439 | struct genl_info *info) | |
7440 | { | |
7441 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7442 | struct net_device *dev = info->user_ptr[1]; | |
7443 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7444 | struct cfg80211_chan_def chandef; | |
55f7435c | 7445 | enum nl80211_dfs_regions dfs_region; |
31559f35 | 7446 | unsigned int cac_time_ms; |
04f39047 SW |
7447 | int err; |
7448 | ||
55f7435c LR |
7449 | dfs_region = reg_get_dfs_region(wdev->wiphy); |
7450 | if (dfs_region == NL80211_DFS_UNSET) | |
7451 | return -EINVAL; | |
7452 | ||
04f39047 SW |
7453 | err = nl80211_parse_chandef(rdev, info, &chandef); |
7454 | if (err) | |
7455 | return err; | |
7456 | ||
ff311bc1 SW |
7457 | if (netif_carrier_ok(dev)) |
7458 | return -EBUSY; | |
7459 | ||
04f39047 SW |
7460 | if (wdev->cac_started) |
7461 | return -EBUSY; | |
7462 | ||
2beb6dab | 7463 | err = cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, |
00ec75fc | 7464 | wdev->iftype); |
04f39047 SW |
7465 | if (err < 0) |
7466 | return err; | |
7467 | ||
7468 | if (err == 0) | |
7469 | return -EINVAL; | |
7470 | ||
fe7c3a1f | 7471 | if (!cfg80211_chandef_dfs_usable(wdev->wiphy, &chandef)) |
04f39047 SW |
7472 | return -EINVAL; |
7473 | ||
7474 | if (!rdev->ops->start_radar_detection) | |
7475 | return -EOPNOTSUPP; | |
7476 | ||
31559f35 JD |
7477 | cac_time_ms = cfg80211_chandef_dfs_cac_time(&rdev->wiphy, &chandef); |
7478 | if (WARN_ON(!cac_time_ms)) | |
7479 | cac_time_ms = IEEE80211_DFS_MIN_CAC_TIME_MS; | |
7480 | ||
a1056b1b | 7481 | err = rdev_start_radar_detection(rdev, dev, &chandef, cac_time_ms); |
04f39047 | 7482 | if (!err) { |
9e0e2961 | 7483 | wdev->chandef = chandef; |
04f39047 SW |
7484 | wdev->cac_started = true; |
7485 | wdev->cac_start_time = jiffies; | |
31559f35 | 7486 | wdev->cac_time_ms = cac_time_ms; |
04f39047 | 7487 | } |
04f39047 SW |
7488 | return err; |
7489 | } | |
7490 | ||
16ef1fe2 SW |
7491 | static int nl80211_channel_switch(struct sk_buff *skb, struct genl_info *info) |
7492 | { | |
7493 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
7494 | struct net_device *dev = info->user_ptr[1]; | |
7495 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
7496 | struct cfg80211_csa_settings params; | |
7497 | /* csa_attrs is defined static to avoid waste of stack size - this | |
7498 | * function is called under RTNL lock, so this should not be a problem. | |
7499 | */ | |
7500 | static struct nlattr *csa_attrs[NL80211_ATTR_MAX+1]; | |
16ef1fe2 | 7501 | int err; |
ee4bc9e7 | 7502 | bool need_new_beacon = false; |
9a774c78 | 7503 | int len, i; |
252e07ca | 7504 | u32 cs_count; |
16ef1fe2 SW |
7505 | |
7506 | if (!rdev->ops->channel_switch || | |
7507 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_CHANNEL_SWITCH)) | |
7508 | return -EOPNOTSUPP; | |
7509 | ||
ee4bc9e7 SW |
7510 | switch (dev->ieee80211_ptr->iftype) { |
7511 | case NL80211_IFTYPE_AP: | |
7512 | case NL80211_IFTYPE_P2P_GO: | |
7513 | need_new_beacon = true; | |
7514 | ||
7515 | /* useless if AP is not running */ | |
7516 | if (!wdev->beacon_interval) | |
1ff79dfa | 7517 | return -ENOTCONN; |
ee4bc9e7 SW |
7518 | break; |
7519 | case NL80211_IFTYPE_ADHOC: | |
1ff79dfa JB |
7520 | if (!wdev->ssid_len) |
7521 | return -ENOTCONN; | |
7522 | break; | |
c6da674a | 7523 | case NL80211_IFTYPE_MESH_POINT: |
1ff79dfa JB |
7524 | if (!wdev->mesh_id_len) |
7525 | return -ENOTCONN; | |
ee4bc9e7 SW |
7526 | break; |
7527 | default: | |
16ef1fe2 | 7528 | return -EOPNOTSUPP; |
ee4bc9e7 | 7529 | } |
16ef1fe2 SW |
7530 | |
7531 | memset(¶ms, 0, sizeof(params)); | |
7532 | ||
7533 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
7534 | !info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]) | |
7535 | return -EINVAL; | |
7536 | ||
7537 | /* only important for AP, IBSS and mesh create IEs internally */ | |
d0a361a5 | 7538 | if (need_new_beacon && !info->attrs[NL80211_ATTR_CSA_IES]) |
16ef1fe2 SW |
7539 | return -EINVAL; |
7540 | ||
252e07ca LC |
7541 | /* Even though the attribute is u32, the specification says |
7542 | * u8, so let's make sure we don't overflow. | |
7543 | */ | |
7544 | cs_count = nla_get_u32(info->attrs[NL80211_ATTR_CH_SWITCH_COUNT]); | |
7545 | if (cs_count > 255) | |
7546 | return -EINVAL; | |
7547 | ||
7548 | params.count = cs_count; | |
16ef1fe2 | 7549 | |
ee4bc9e7 SW |
7550 | if (!need_new_beacon) |
7551 | goto skip_beacons; | |
7552 | ||
16ef1fe2 SW |
7553 | err = nl80211_parse_beacon(info->attrs, ¶ms.beacon_after); |
7554 | if (err) | |
7555 | return err; | |
7556 | ||
7557 | err = nla_parse_nested(csa_attrs, NL80211_ATTR_MAX, | |
7558 | info->attrs[NL80211_ATTR_CSA_IES], | |
fe52145f | 7559 | nl80211_policy, info->extack); |
16ef1fe2 SW |
7560 | if (err) |
7561 | return err; | |
7562 | ||
7563 | err = nl80211_parse_beacon(csa_attrs, ¶ms.beacon_csa); | |
7564 | if (err) | |
7565 | return err; | |
7566 | ||
7567 | if (!csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]) | |
7568 | return -EINVAL; | |
7569 | ||
9a774c78 AO |
7570 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); |
7571 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
7572 | return -EINVAL; |
7573 | ||
9a774c78 AO |
7574 | params.n_counter_offsets_beacon = len / sizeof(u16); |
7575 | if (rdev->wiphy.max_num_csa_counters && | |
7576 | (params.n_counter_offsets_beacon > | |
7577 | rdev->wiphy.max_num_csa_counters)) | |
16ef1fe2 SW |
7578 | return -EINVAL; |
7579 | ||
9a774c78 AO |
7580 | params.counter_offsets_beacon = |
7581 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_BEACON]); | |
7582 | ||
7583 | /* sanity checks - counters should fit and be the same */ | |
7584 | for (i = 0; i < params.n_counter_offsets_beacon; i++) { | |
7585 | u16 offset = params.counter_offsets_beacon[i]; | |
7586 | ||
7587 | if (offset >= params.beacon_csa.tail_len) | |
7588 | return -EINVAL; | |
7589 | ||
7590 | if (params.beacon_csa.tail[offset] != params.count) | |
7591 | return -EINVAL; | |
7592 | } | |
7593 | ||
16ef1fe2 | 7594 | if (csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]) { |
9a774c78 AO |
7595 | len = nla_len(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); |
7596 | if (!len || (len % sizeof(u16))) | |
16ef1fe2 SW |
7597 | return -EINVAL; |
7598 | ||
9a774c78 AO |
7599 | params.n_counter_offsets_presp = len / sizeof(u16); |
7600 | if (rdev->wiphy.max_num_csa_counters && | |
ad5987b4 | 7601 | (params.n_counter_offsets_presp > |
9a774c78 | 7602 | rdev->wiphy.max_num_csa_counters)) |
16ef1fe2 | 7603 | return -EINVAL; |
9a774c78 AO |
7604 | |
7605 | params.counter_offsets_presp = | |
7606 | nla_data(csa_attrs[NL80211_ATTR_CSA_C_OFF_PRESP]); | |
7607 | ||
7608 | /* sanity checks - counters should fit and be the same */ | |
7609 | for (i = 0; i < params.n_counter_offsets_presp; i++) { | |
7610 | u16 offset = params.counter_offsets_presp[i]; | |
7611 | ||
7612 | if (offset >= params.beacon_csa.probe_resp_len) | |
7613 | return -EINVAL; | |
7614 | ||
7615 | if (params.beacon_csa.probe_resp[offset] != | |
7616 | params.count) | |
7617 | return -EINVAL; | |
7618 | } | |
16ef1fe2 SW |
7619 | } |
7620 | ||
ee4bc9e7 | 7621 | skip_beacons: |
16ef1fe2 SW |
7622 | err = nl80211_parse_chandef(rdev, info, ¶ms.chandef); |
7623 | if (err) | |
7624 | return err; | |
7625 | ||
923b352f AN |
7626 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, ¶ms.chandef, |
7627 | wdev->iftype)) | |
16ef1fe2 SW |
7628 | return -EINVAL; |
7629 | ||
2beb6dab LC |
7630 | err = cfg80211_chandef_dfs_required(wdev->wiphy, |
7631 | ¶ms.chandef, | |
7632 | wdev->iftype); | |
7633 | if (err < 0) | |
7634 | return err; | |
7635 | ||
dcc6c2f5 | 7636 | if (err > 0) |
2beb6dab | 7637 | params.radar_required = true; |
16ef1fe2 | 7638 | |
16ef1fe2 SW |
7639 | if (info->attrs[NL80211_ATTR_CH_SWITCH_BLOCK_TX]) |
7640 | params.block_tx = true; | |
7641 | ||
c56589ed SW |
7642 | wdev_lock(wdev); |
7643 | err = rdev_channel_switch(rdev, dev, ¶ms); | |
7644 | wdev_unlock(wdev); | |
7645 | ||
7646 | return err; | |
16ef1fe2 SW |
7647 | } |
7648 | ||
9720bb3a JB |
7649 | static int nl80211_send_bss(struct sk_buff *msg, struct netlink_callback *cb, |
7650 | u32 seq, int flags, | |
2a519311 | 7651 | struct cfg80211_registered_device *rdev, |
48ab905d JB |
7652 | struct wireless_dev *wdev, |
7653 | struct cfg80211_internal_bss *intbss) | |
2a519311 | 7654 | { |
48ab905d | 7655 | struct cfg80211_bss *res = &intbss->pub; |
9caf0364 | 7656 | const struct cfg80211_bss_ies *ies; |
2a519311 JB |
7657 | void *hdr; |
7658 | struct nlattr *bss; | |
48ab905d JB |
7659 | |
7660 | ASSERT_WDEV_LOCK(wdev); | |
2a519311 | 7661 | |
15e47304 | 7662 | hdr = nl80211hdr_put(msg, NETLINK_CB(cb->skb).portid, seq, flags, |
2a519311 JB |
7663 | NL80211_CMD_NEW_SCAN_RESULTS); |
7664 | if (!hdr) | |
7665 | return -1; | |
7666 | ||
9720bb3a JB |
7667 | genl_dump_check_consistent(cb, hdr, &nl80211_fam); |
7668 | ||
97990a06 JB |
7669 | if (nla_put_u32(msg, NL80211_ATTR_GENERATION, rdev->bss_generation)) |
7670 | goto nla_put_failure; | |
7671 | if (wdev->netdev && | |
9360ffd1 DM |
7672 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex)) |
7673 | goto nla_put_failure; | |
2dad624e ND |
7674 | if (nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
7675 | NL80211_ATTR_PAD)) | |
97990a06 | 7676 | goto nla_put_failure; |
2a519311 JB |
7677 | |
7678 | bss = nla_nest_start(msg, NL80211_ATTR_BSS); | |
7679 | if (!bss) | |
7680 | goto nla_put_failure; | |
9360ffd1 | 7681 | if ((!is_zero_ether_addr(res->bssid) && |
9caf0364 | 7682 | nla_put(msg, NL80211_BSS_BSSID, ETH_ALEN, res->bssid))) |
9360ffd1 | 7683 | goto nla_put_failure; |
9caf0364 JB |
7684 | |
7685 | rcu_read_lock(); | |
0e227084 JB |
7686 | /* indicate whether we have probe response data or not */ |
7687 | if (rcu_access_pointer(res->proberesp_ies) && | |
7688 | nla_put_flag(msg, NL80211_BSS_PRESP_DATA)) | |
7689 | goto fail_unlock_rcu; | |
7690 | ||
7691 | /* this pointer prefers to be pointed to probe response data | |
7692 | * but is always valid | |
7693 | */ | |
9caf0364 | 7694 | ies = rcu_dereference(res->ies); |
8cef2c9d | 7695 | if (ies) { |
2dad624e ND |
7696 | if (nla_put_u64_64bit(msg, NL80211_BSS_TSF, ies->tsf, |
7697 | NL80211_BSS_PAD)) | |
8cef2c9d | 7698 | goto fail_unlock_rcu; |
8cef2c9d JB |
7699 | if (ies->len && nla_put(msg, NL80211_BSS_INFORMATION_ELEMENTS, |
7700 | ies->len, ies->data)) | |
7701 | goto fail_unlock_rcu; | |
9caf0364 | 7702 | } |
0e227084 JB |
7703 | |
7704 | /* and this pointer is always (unless driver didn't know) beacon data */ | |
9caf0364 | 7705 | ies = rcu_dereference(res->beacon_ies); |
0e227084 | 7706 | if (ies && ies->from_beacon) { |
2dad624e ND |
7707 | if (nla_put_u64_64bit(msg, NL80211_BSS_BEACON_TSF, ies->tsf, |
7708 | NL80211_BSS_PAD)) | |
8cef2c9d JB |
7709 | goto fail_unlock_rcu; |
7710 | if (ies->len && nla_put(msg, NL80211_BSS_BEACON_IES, | |
7711 | ies->len, ies->data)) | |
7712 | goto fail_unlock_rcu; | |
9caf0364 JB |
7713 | } |
7714 | rcu_read_unlock(); | |
7715 | ||
9360ffd1 DM |
7716 | if (res->beacon_interval && |
7717 | nla_put_u16(msg, NL80211_BSS_BEACON_INTERVAL, res->beacon_interval)) | |
7718 | goto nla_put_failure; | |
7719 | if (nla_put_u16(msg, NL80211_BSS_CAPABILITY, res->capability) || | |
7720 | nla_put_u32(msg, NL80211_BSS_FREQUENCY, res->channel->center_freq) || | |
dcd6eac1 | 7721 | nla_put_u32(msg, NL80211_BSS_CHAN_WIDTH, res->scan_width) || |
9360ffd1 DM |
7722 | nla_put_u32(msg, NL80211_BSS_SEEN_MS_AGO, |
7723 | jiffies_to_msecs(jiffies - intbss->ts))) | |
7724 | goto nla_put_failure; | |
2a519311 | 7725 | |
1d76250b AS |
7726 | if (intbss->parent_tsf && |
7727 | (nla_put_u64_64bit(msg, NL80211_BSS_PARENT_TSF, | |
7728 | intbss->parent_tsf, NL80211_BSS_PAD) || | |
7729 | nla_put(msg, NL80211_BSS_PARENT_BSSID, ETH_ALEN, | |
7730 | intbss->parent_bssid))) | |
7731 | goto nla_put_failure; | |
7732 | ||
6e19bc4b | 7733 | if (intbss->ts_boottime && |
2dad624e ND |
7734 | nla_put_u64_64bit(msg, NL80211_BSS_LAST_SEEN_BOOTTIME, |
7735 | intbss->ts_boottime, NL80211_BSS_PAD)) | |
6e19bc4b DS |
7736 | goto nla_put_failure; |
7737 | ||
77965c97 | 7738 | switch (rdev->wiphy.signal_type) { |
2a519311 | 7739 | case CFG80211_SIGNAL_TYPE_MBM: |
9360ffd1 DM |
7740 | if (nla_put_u32(msg, NL80211_BSS_SIGNAL_MBM, res->signal)) |
7741 | goto nla_put_failure; | |
2a519311 JB |
7742 | break; |
7743 | case CFG80211_SIGNAL_TYPE_UNSPEC: | |
9360ffd1 DM |
7744 | if (nla_put_u8(msg, NL80211_BSS_SIGNAL_UNSPEC, res->signal)) |
7745 | goto nla_put_failure; | |
2a519311 JB |
7746 | break; |
7747 | default: | |
7748 | break; | |
7749 | } | |
7750 | ||
48ab905d | 7751 | switch (wdev->iftype) { |
074ac8df | 7752 | case NL80211_IFTYPE_P2P_CLIENT: |
48ab905d | 7753 | case NL80211_IFTYPE_STATION: |
9360ffd1 DM |
7754 | if (intbss == wdev->current_bss && |
7755 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
7756 | NL80211_BSS_STATUS_ASSOCIATED)) | |
7757 | goto nla_put_failure; | |
48ab905d JB |
7758 | break; |
7759 | case NL80211_IFTYPE_ADHOC: | |
9360ffd1 DM |
7760 | if (intbss == wdev->current_bss && |
7761 | nla_put_u32(msg, NL80211_BSS_STATUS, | |
7762 | NL80211_BSS_STATUS_IBSS_JOINED)) | |
7763 | goto nla_put_failure; | |
48ab905d JB |
7764 | break; |
7765 | default: | |
7766 | break; | |
7767 | } | |
7768 | ||
2a519311 JB |
7769 | nla_nest_end(msg, bss); |
7770 | ||
053c095a JB |
7771 | genlmsg_end(msg, hdr); |
7772 | return 0; | |
2a519311 | 7773 | |
8cef2c9d JB |
7774 | fail_unlock_rcu: |
7775 | rcu_read_unlock(); | |
2a519311 JB |
7776 | nla_put_failure: |
7777 | genlmsg_cancel(msg, hdr); | |
7778 | return -EMSGSIZE; | |
7779 | } | |
7780 | ||
97990a06 | 7781 | static int nl80211_dump_scan(struct sk_buff *skb, struct netlink_callback *cb) |
2a519311 | 7782 | { |
48ab905d | 7783 | struct cfg80211_registered_device *rdev; |
2a519311 | 7784 | struct cfg80211_internal_bss *scan; |
48ab905d | 7785 | struct wireless_dev *wdev; |
97990a06 | 7786 | int start = cb->args[2], idx = 0; |
2a519311 JB |
7787 | int err; |
7788 | ||
ea90e0dc | 7789 | rtnl_lock(); |
97990a06 | 7790 | err = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
ea90e0dc JB |
7791 | if (err) { |
7792 | rtnl_unlock(); | |
67748893 | 7793 | return err; |
ea90e0dc | 7794 | } |
2a519311 | 7795 | |
48ab905d JB |
7796 | wdev_lock(wdev); |
7797 | spin_lock_bh(&rdev->bss_lock); | |
7798 | cfg80211_bss_expire(rdev); | |
7799 | ||
9720bb3a JB |
7800 | cb->seq = rdev->bss_generation; |
7801 | ||
48ab905d | 7802 | list_for_each_entry(scan, &rdev->bss_list, list) { |
2a519311 JB |
7803 | if (++idx <= start) |
7804 | continue; | |
9720bb3a | 7805 | if (nl80211_send_bss(skb, cb, |
2a519311 | 7806 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
48ab905d | 7807 | rdev, wdev, scan) < 0) { |
2a519311 | 7808 | idx--; |
67748893 | 7809 | break; |
2a519311 JB |
7810 | } |
7811 | } | |
7812 | ||
48ab905d JB |
7813 | spin_unlock_bh(&rdev->bss_lock); |
7814 | wdev_unlock(wdev); | |
2a519311 | 7815 | |
97990a06 | 7816 | cb->args[2] = idx; |
ea90e0dc | 7817 | rtnl_unlock(); |
2a519311 | 7818 | |
67748893 | 7819 | return skb->len; |
2a519311 JB |
7820 | } |
7821 | ||
15e47304 | 7822 | static int nl80211_send_survey(struct sk_buff *msg, u32 portid, u32 seq, |
11f78ac3 JB |
7823 | int flags, struct net_device *dev, |
7824 | bool allow_radio_stats, | |
7825 | struct survey_info *survey) | |
61fa713c HS |
7826 | { |
7827 | void *hdr; | |
7828 | struct nlattr *infoattr; | |
7829 | ||
11f78ac3 JB |
7830 | /* skip radio stats if userspace didn't request them */ |
7831 | if (!survey->channel && !allow_radio_stats) | |
7832 | return 0; | |
7833 | ||
15e47304 | 7834 | hdr = nl80211hdr_put(msg, portid, seq, flags, |
61fa713c HS |
7835 | NL80211_CMD_NEW_SURVEY_RESULTS); |
7836 | if (!hdr) | |
7837 | return -ENOMEM; | |
7838 | ||
9360ffd1 DM |
7839 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
7840 | goto nla_put_failure; | |
61fa713c HS |
7841 | |
7842 | infoattr = nla_nest_start(msg, NL80211_ATTR_SURVEY_INFO); | |
7843 | if (!infoattr) | |
7844 | goto nla_put_failure; | |
7845 | ||
11f78ac3 JB |
7846 | if (survey->channel && |
7847 | nla_put_u32(msg, NL80211_SURVEY_INFO_FREQUENCY, | |
9360ffd1 DM |
7848 | survey->channel->center_freq)) |
7849 | goto nla_put_failure; | |
7850 | ||
7851 | if ((survey->filled & SURVEY_INFO_NOISE_DBM) && | |
7852 | nla_put_u8(msg, NL80211_SURVEY_INFO_NOISE, survey->noise)) | |
7853 | goto nla_put_failure; | |
7854 | if ((survey->filled & SURVEY_INFO_IN_USE) && | |
7855 | nla_put_flag(msg, NL80211_SURVEY_INFO_IN_USE)) | |
7856 | goto nla_put_failure; | |
4ed20beb | 7857 | if ((survey->filled & SURVEY_INFO_TIME) && |
2dad624e ND |
7858 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME, |
7859 | survey->time, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7860 | goto nla_put_failure; |
4ed20beb | 7861 | if ((survey->filled & SURVEY_INFO_TIME_BUSY) && |
2dad624e ND |
7862 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_BUSY, |
7863 | survey->time_busy, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7864 | goto nla_put_failure; |
4ed20beb | 7865 | if ((survey->filled & SURVEY_INFO_TIME_EXT_BUSY) && |
2dad624e ND |
7866 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_EXT_BUSY, |
7867 | survey->time_ext_busy, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7868 | goto nla_put_failure; |
4ed20beb | 7869 | if ((survey->filled & SURVEY_INFO_TIME_RX) && |
2dad624e ND |
7870 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_RX, |
7871 | survey->time_rx, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7872 | goto nla_put_failure; |
4ed20beb | 7873 | if ((survey->filled & SURVEY_INFO_TIME_TX) && |
2dad624e ND |
7874 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_TX, |
7875 | survey->time_tx, NL80211_SURVEY_INFO_PAD)) | |
9360ffd1 | 7876 | goto nla_put_failure; |
052536ab | 7877 | if ((survey->filled & SURVEY_INFO_TIME_SCAN) && |
2dad624e ND |
7878 | nla_put_u64_64bit(msg, NL80211_SURVEY_INFO_TIME_SCAN, |
7879 | survey->time_scan, NL80211_SURVEY_INFO_PAD)) | |
052536ab | 7880 | goto nla_put_failure; |
61fa713c HS |
7881 | |
7882 | nla_nest_end(msg, infoattr); | |
7883 | ||
053c095a JB |
7884 | genlmsg_end(msg, hdr); |
7885 | return 0; | |
61fa713c HS |
7886 | |
7887 | nla_put_failure: | |
7888 | genlmsg_cancel(msg, hdr); | |
7889 | return -EMSGSIZE; | |
7890 | } | |
7891 | ||
11f78ac3 | 7892 | static int nl80211_dump_survey(struct sk_buff *skb, struct netlink_callback *cb) |
61fa713c | 7893 | { |
c90c39da | 7894 | struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); |
61fa713c | 7895 | struct survey_info survey; |
1b8ec87a | 7896 | struct cfg80211_registered_device *rdev; |
97990a06 JB |
7897 | struct wireless_dev *wdev; |
7898 | int survey_idx = cb->args[2]; | |
61fa713c | 7899 | int res; |
11f78ac3 | 7900 | bool radio_stats; |
61fa713c | 7901 | |
ea90e0dc | 7902 | rtnl_lock(); |
1b8ec87a | 7903 | res = nl80211_prepare_wdev_dump(skb, cb, &rdev, &wdev); |
67748893 | 7904 | if (res) |
ea90e0dc | 7905 | goto out_err; |
61fa713c | 7906 | |
11f78ac3 | 7907 | /* prepare_wdev_dump parsed the attributes */ |
c90c39da | 7908 | radio_stats = attrbuf[NL80211_ATTR_SURVEY_RADIO_STATS]; |
11f78ac3 | 7909 | |
97990a06 JB |
7910 | if (!wdev->netdev) { |
7911 | res = -EINVAL; | |
7912 | goto out_err; | |
7913 | } | |
7914 | ||
1b8ec87a | 7915 | if (!rdev->ops->dump_survey) { |
61fa713c HS |
7916 | res = -EOPNOTSUPP; |
7917 | goto out_err; | |
7918 | } | |
7919 | ||
7920 | while (1) { | |
1b8ec87a | 7921 | res = rdev_dump_survey(rdev, wdev->netdev, survey_idx, &survey); |
61fa713c HS |
7922 | if (res == -ENOENT) |
7923 | break; | |
7924 | if (res) | |
7925 | goto out_err; | |
7926 | ||
11f78ac3 JB |
7927 | /* don't send disabled channels, but do send non-channel data */ |
7928 | if (survey.channel && | |
7929 | survey.channel->flags & IEEE80211_CHAN_DISABLED) { | |
180cdc79 LR |
7930 | survey_idx++; |
7931 | continue; | |
7932 | } | |
7933 | ||
61fa713c | 7934 | if (nl80211_send_survey(skb, |
15e47304 | 7935 | NETLINK_CB(cb->skb).portid, |
61fa713c | 7936 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
11f78ac3 | 7937 | wdev->netdev, radio_stats, &survey) < 0) |
61fa713c HS |
7938 | goto out; |
7939 | survey_idx++; | |
7940 | } | |
7941 | ||
7942 | out: | |
97990a06 | 7943 | cb->args[2] = survey_idx; |
61fa713c HS |
7944 | res = skb->len; |
7945 | out_err: | |
ea90e0dc | 7946 | rtnl_unlock(); |
61fa713c HS |
7947 | return res; |
7948 | } | |
7949 | ||
b23aa676 SO |
7950 | static bool nl80211_valid_wpa_versions(u32 wpa_versions) |
7951 | { | |
7952 | return !(wpa_versions & ~(NL80211_WPA_VERSION_1 | | |
7953 | NL80211_WPA_VERSION_2)); | |
7954 | } | |
7955 | ||
636a5d36 JM |
7956 | static int nl80211_authenticate(struct sk_buff *skb, struct genl_info *info) |
7957 | { | |
4c476991 JB |
7958 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
7959 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 7960 | struct ieee80211_channel *chan; |
11b6b5a4 JM |
7961 | const u8 *bssid, *ssid, *ie = NULL, *auth_data = NULL; |
7962 | int err, ssid_len, ie_len = 0, auth_data_len = 0; | |
19957bb3 | 7963 | enum nl80211_auth_type auth_type; |
fffd0934 | 7964 | struct key_parse key; |
d5cdfacb | 7965 | bool local_state_change; |
636a5d36 | 7966 | |
f4a11bb0 JB |
7967 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
7968 | return -EINVAL; | |
7969 | ||
7970 | if (!info->attrs[NL80211_ATTR_MAC]) | |
7971 | return -EINVAL; | |
7972 | ||
1778092e JM |
7973 | if (!info->attrs[NL80211_ATTR_AUTH_TYPE]) |
7974 | return -EINVAL; | |
7975 | ||
19957bb3 JB |
7976 | if (!info->attrs[NL80211_ATTR_SSID]) |
7977 | return -EINVAL; | |
7978 | ||
7979 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
7980 | return -EINVAL; | |
7981 | ||
fffd0934 JB |
7982 | err = nl80211_parse_key(info, &key); |
7983 | if (err) | |
7984 | return err; | |
7985 | ||
7986 | if (key.idx >= 0) { | |
e31b8213 JB |
7987 | if (key.type != -1 && key.type != NL80211_KEYTYPE_GROUP) |
7988 | return -EINVAL; | |
fffd0934 JB |
7989 | if (!key.p.key || !key.p.key_len) |
7990 | return -EINVAL; | |
7991 | if ((key.p.cipher != WLAN_CIPHER_SUITE_WEP40 || | |
7992 | key.p.key_len != WLAN_KEY_LEN_WEP40) && | |
7993 | (key.p.cipher != WLAN_CIPHER_SUITE_WEP104 || | |
7994 | key.p.key_len != WLAN_KEY_LEN_WEP104)) | |
7995 | return -EINVAL; | |
b6b5555b | 7996 | if (key.idx > 3) |
fffd0934 JB |
7997 | return -EINVAL; |
7998 | } else { | |
7999 | key.p.key_len = 0; | |
8000 | key.p.key = NULL; | |
8001 | } | |
8002 | ||
afea0b7a JB |
8003 | if (key.idx >= 0) { |
8004 | int i; | |
8005 | bool ok = false; | |
7a087e74 | 8006 | |
afea0b7a JB |
8007 | for (i = 0; i < rdev->wiphy.n_cipher_suites; i++) { |
8008 | if (key.p.cipher == rdev->wiphy.cipher_suites[i]) { | |
8009 | ok = true; | |
8010 | break; | |
8011 | } | |
8012 | } | |
4c476991 JB |
8013 | if (!ok) |
8014 | return -EINVAL; | |
afea0b7a JB |
8015 | } |
8016 | ||
4c476991 JB |
8017 | if (!rdev->ops->auth) |
8018 | return -EOPNOTSUPP; | |
636a5d36 | 8019 | |
074ac8df | 8020 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8021 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8022 | return -EOPNOTSUPP; | |
eec60b03 | 8023 | |
19957bb3 | 8024 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
664834de JM |
8025 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
8026 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
8027 | if (!chan) | |
4c476991 | 8028 | return -EINVAL; |
636a5d36 | 8029 | |
19957bb3 JB |
8030 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
8031 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
8032 | |
8033 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
8034 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8035 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8036 | } |
8037 | ||
19957bb3 | 8038 | auth_type = nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); |
e39e5b5e | 8039 | if (!nl80211_valid_auth_type(rdev, auth_type, NL80211_CMD_AUTHENTICATE)) |
4c476991 | 8040 | return -EINVAL; |
636a5d36 | 8041 | |
63181060 JM |
8042 | if ((auth_type == NL80211_AUTHTYPE_SAE || |
8043 | auth_type == NL80211_AUTHTYPE_FILS_SK || | |
8044 | auth_type == NL80211_AUTHTYPE_FILS_SK_PFS || | |
8045 | auth_type == NL80211_AUTHTYPE_FILS_PK) && | |
11b6b5a4 | 8046 | !info->attrs[NL80211_ATTR_AUTH_DATA]) |
e39e5b5e JM |
8047 | return -EINVAL; |
8048 | ||
11b6b5a4 | 8049 | if (info->attrs[NL80211_ATTR_AUTH_DATA]) { |
63181060 JM |
8050 | if (auth_type != NL80211_AUTHTYPE_SAE && |
8051 | auth_type != NL80211_AUTHTYPE_FILS_SK && | |
8052 | auth_type != NL80211_AUTHTYPE_FILS_SK_PFS && | |
8053 | auth_type != NL80211_AUTHTYPE_FILS_PK) | |
e39e5b5e | 8054 | return -EINVAL; |
11b6b5a4 JM |
8055 | auth_data = nla_data(info->attrs[NL80211_ATTR_AUTH_DATA]); |
8056 | auth_data_len = nla_len(info->attrs[NL80211_ATTR_AUTH_DATA]); | |
e39e5b5e | 8057 | /* need to include at least Auth Transaction and Status Code */ |
11b6b5a4 | 8058 | if (auth_data_len < 4) |
e39e5b5e JM |
8059 | return -EINVAL; |
8060 | } | |
8061 | ||
d5cdfacb JM |
8062 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
8063 | ||
95de817b JB |
8064 | /* |
8065 | * Since we no longer track auth state, ignore | |
8066 | * requests to only change local state. | |
8067 | */ | |
8068 | if (local_state_change) | |
8069 | return 0; | |
8070 | ||
91bf9b26 JB |
8071 | wdev_lock(dev->ieee80211_ptr); |
8072 | err = cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
8073 | ssid, ssid_len, ie, ie_len, | |
8074 | key.p.key, key.p.key_len, key.idx, | |
11b6b5a4 | 8075 | auth_data, auth_data_len); |
91bf9b26 JB |
8076 | wdev_unlock(dev->ieee80211_ptr); |
8077 | return err; | |
636a5d36 JM |
8078 | } |
8079 | ||
c0692b8f JB |
8080 | static int nl80211_crypto_settings(struct cfg80211_registered_device *rdev, |
8081 | struct genl_info *info, | |
3dc27d25 JB |
8082 | struct cfg80211_crypto_settings *settings, |
8083 | int cipher_limit) | |
b23aa676 | 8084 | { |
c0b2bbd8 JB |
8085 | memset(settings, 0, sizeof(*settings)); |
8086 | ||
b23aa676 SO |
8087 | settings->control_port = info->attrs[NL80211_ATTR_CONTROL_PORT]; |
8088 | ||
c0692b8f JB |
8089 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]) { |
8090 | u16 proto; | |
7a087e74 | 8091 | |
c0692b8f JB |
8092 | proto = nla_get_u16( |
8093 | info->attrs[NL80211_ATTR_CONTROL_PORT_ETHERTYPE]); | |
8094 | settings->control_port_ethertype = cpu_to_be16(proto); | |
8095 | if (!(rdev->wiphy.flags & WIPHY_FLAG_CONTROL_PORT_PROTOCOL) && | |
8096 | proto != ETH_P_PAE) | |
8097 | return -EINVAL; | |
8098 | if (info->attrs[NL80211_ATTR_CONTROL_PORT_NO_ENCRYPT]) | |
8099 | settings->control_port_no_encrypt = true; | |
8100 | } else | |
8101 | settings->control_port_ethertype = cpu_to_be16(ETH_P_PAE); | |
8102 | ||
b23aa676 SO |
8103 | if (info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]) { |
8104 | void *data; | |
8105 | int len, i; | |
8106 | ||
8107 | data = nla_data(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
8108 | len = nla_len(info->attrs[NL80211_ATTR_CIPHER_SUITES_PAIRWISE]); | |
8109 | settings->n_ciphers_pairwise = len / sizeof(u32); | |
8110 | ||
8111 | if (len % sizeof(u32)) | |
8112 | return -EINVAL; | |
8113 | ||
3dc27d25 | 8114 | if (settings->n_ciphers_pairwise > cipher_limit) |
b23aa676 SO |
8115 | return -EINVAL; |
8116 | ||
8117 | memcpy(settings->ciphers_pairwise, data, len); | |
8118 | ||
8119 | for (i = 0; i < settings->n_ciphers_pairwise; i++) | |
38ba3c57 JM |
8120 | if (!cfg80211_supported_cipher_suite( |
8121 | &rdev->wiphy, | |
b23aa676 SO |
8122 | settings->ciphers_pairwise[i])) |
8123 | return -EINVAL; | |
8124 | } | |
8125 | ||
8126 | if (info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]) { | |
8127 | settings->cipher_group = | |
8128 | nla_get_u32(info->attrs[NL80211_ATTR_CIPHER_SUITE_GROUP]); | |
38ba3c57 JM |
8129 | if (!cfg80211_supported_cipher_suite(&rdev->wiphy, |
8130 | settings->cipher_group)) | |
b23aa676 SO |
8131 | return -EINVAL; |
8132 | } | |
8133 | ||
8134 | if (info->attrs[NL80211_ATTR_WPA_VERSIONS]) { | |
8135 | settings->wpa_versions = | |
8136 | nla_get_u32(info->attrs[NL80211_ATTR_WPA_VERSIONS]); | |
8137 | if (!nl80211_valid_wpa_versions(settings->wpa_versions)) | |
8138 | return -EINVAL; | |
8139 | } | |
8140 | ||
8141 | if (info->attrs[NL80211_ATTR_AKM_SUITES]) { | |
8142 | void *data; | |
6d30240e | 8143 | int len; |
b23aa676 SO |
8144 | |
8145 | data = nla_data(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
8146 | len = nla_len(info->attrs[NL80211_ATTR_AKM_SUITES]); | |
8147 | settings->n_akm_suites = len / sizeof(u32); | |
8148 | ||
8149 | if (len % sizeof(u32)) | |
8150 | return -EINVAL; | |
8151 | ||
1b9ca027 JM |
8152 | if (settings->n_akm_suites > NL80211_MAX_NR_AKM_SUITES) |
8153 | return -EINVAL; | |
8154 | ||
b23aa676 | 8155 | memcpy(settings->akm_suites, data, len); |
b23aa676 SO |
8156 | } |
8157 | ||
8158 | return 0; | |
8159 | } | |
8160 | ||
636a5d36 JM |
8161 | static int nl80211_associate(struct sk_buff *skb, struct genl_info *info) |
8162 | { | |
4c476991 JB |
8163 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8164 | struct net_device *dev = info->user_ptr[1]; | |
f444de05 | 8165 | struct ieee80211_channel *chan; |
f62fab73 JB |
8166 | struct cfg80211_assoc_request req = {}; |
8167 | const u8 *bssid, *ssid; | |
8168 | int err, ssid_len = 0; | |
636a5d36 | 8169 | |
f4a11bb0 JB |
8170 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8171 | return -EINVAL; | |
8172 | ||
8173 | if (!info->attrs[NL80211_ATTR_MAC] || | |
19957bb3 JB |
8174 | !info->attrs[NL80211_ATTR_SSID] || |
8175 | !info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
f4a11bb0 JB |
8176 | return -EINVAL; |
8177 | ||
4c476991 JB |
8178 | if (!rdev->ops->assoc) |
8179 | return -EOPNOTSUPP; | |
636a5d36 | 8180 | |
074ac8df | 8181 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8182 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8183 | return -EOPNOTSUPP; | |
eec60b03 | 8184 | |
19957bb3 | 8185 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 8186 | |
664834de JM |
8187 | chan = nl80211_get_valid_chan(&rdev->wiphy, |
8188 | info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
8189 | if (!chan) | |
4c476991 | 8190 | return -EINVAL; |
636a5d36 | 8191 | |
19957bb3 JB |
8192 | ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
8193 | ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
636a5d36 JM |
8194 | |
8195 | if (info->attrs[NL80211_ATTR_IE]) { | |
f62fab73 JB |
8196 | req.ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8197 | req.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8198 | } |
8199 | ||
dc6382ce | 8200 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
4f5dadce | 8201 | enum nl80211_mfp mfp = |
dc6382ce | 8202 | nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); |
4f5dadce | 8203 | if (mfp == NL80211_MFP_REQUIRED) |
f62fab73 | 8204 | req.use_mfp = true; |
4c476991 JB |
8205 | else if (mfp != NL80211_MFP_NO) |
8206 | return -EINVAL; | |
dc6382ce JM |
8207 | } |
8208 | ||
3e5d7649 | 8209 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
f62fab73 | 8210 | req.prev_bssid = nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); |
3e5d7649 | 8211 | |
7e7c8926 | 8212 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
f62fab73 | 8213 | req.flags |= ASSOC_REQ_DISABLE_HT; |
7e7c8926 BG |
8214 | |
8215 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
f62fab73 JB |
8216 | memcpy(&req.ht_capa_mask, |
8217 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
8218 | sizeof(req.ht_capa_mask)); | |
7e7c8926 BG |
8219 | |
8220 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
f62fab73 | 8221 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
7e7c8926 | 8222 | return -EINVAL; |
f62fab73 JB |
8223 | memcpy(&req.ht_capa, |
8224 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
8225 | sizeof(req.ht_capa)); | |
7e7c8926 BG |
8226 | } |
8227 | ||
ee2aca34 | 8228 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
f62fab73 | 8229 | req.flags |= ASSOC_REQ_DISABLE_VHT; |
ee2aca34 JB |
8230 | |
8231 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
f62fab73 JB |
8232 | memcpy(&req.vht_capa_mask, |
8233 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
8234 | sizeof(req.vht_capa_mask)); | |
ee2aca34 JB |
8235 | |
8236 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
f62fab73 | 8237 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) |
ee2aca34 | 8238 | return -EINVAL; |
f62fab73 JB |
8239 | memcpy(&req.vht_capa, |
8240 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
8241 | sizeof(req.vht_capa)); | |
ee2aca34 JB |
8242 | } |
8243 | ||
bab5ab7d | 8244 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
0c9ca11b BL |
8245 | if (!((rdev->wiphy.features & |
8246 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) && | |
8247 | (rdev->wiphy.features & NL80211_FEATURE_QUIET)) && | |
8248 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
8249 | NL80211_EXT_FEATURE_RRM)) | |
bab5ab7d AK |
8250 | return -EINVAL; |
8251 | req.flags |= ASSOC_REQ_USE_RRM; | |
8252 | } | |
8253 | ||
348bd456 JM |
8254 | if (info->attrs[NL80211_ATTR_FILS_KEK]) { |
8255 | req.fils_kek = nla_data(info->attrs[NL80211_ATTR_FILS_KEK]); | |
8256 | req.fils_kek_len = nla_len(info->attrs[NL80211_ATTR_FILS_KEK]); | |
8257 | if (!info->attrs[NL80211_ATTR_FILS_NONCES]) | |
8258 | return -EINVAL; | |
8259 | req.fils_nonces = | |
8260 | nla_data(info->attrs[NL80211_ATTR_FILS_NONCES]); | |
8261 | } | |
8262 | ||
f62fab73 | 8263 | err = nl80211_crypto_settings(rdev, info, &req.crypto, 1); |
91bf9b26 JB |
8264 | if (!err) { |
8265 | wdev_lock(dev->ieee80211_ptr); | |
bd2522b1 | 8266 | |
f62fab73 JB |
8267 | err = cfg80211_mlme_assoc(rdev, dev, chan, bssid, |
8268 | ssid, ssid_len, &req); | |
bd2522b1 AZ |
8269 | |
8270 | if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) { | |
8271 | dev->ieee80211_ptr->conn_owner_nlportid = | |
8272 | info->snd_portid; | |
8273 | memcpy(dev->ieee80211_ptr->disconnect_bssid, | |
8274 | bssid, ETH_ALEN); | |
8275 | } | |
8276 | ||
91bf9b26 JB |
8277 | wdev_unlock(dev->ieee80211_ptr); |
8278 | } | |
636a5d36 | 8279 | |
636a5d36 JM |
8280 | return err; |
8281 | } | |
8282 | ||
8283 | static int nl80211_deauthenticate(struct sk_buff *skb, struct genl_info *info) | |
8284 | { | |
4c476991 JB |
8285 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8286 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 8287 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 8288 | int ie_len = 0, err; |
19957bb3 | 8289 | u16 reason_code; |
d5cdfacb | 8290 | bool local_state_change; |
636a5d36 | 8291 | |
f4a11bb0 JB |
8292 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8293 | return -EINVAL; | |
8294 | ||
8295 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8296 | return -EINVAL; | |
8297 | ||
8298 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
8299 | return -EINVAL; | |
8300 | ||
4c476991 JB |
8301 | if (!rdev->ops->deauth) |
8302 | return -EOPNOTSUPP; | |
636a5d36 | 8303 | |
074ac8df | 8304 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8305 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8306 | return -EOPNOTSUPP; | |
eec60b03 | 8307 | |
19957bb3 | 8308 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 8309 | |
19957bb3 JB |
8310 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
8311 | if (reason_code == 0) { | |
f4a11bb0 | 8312 | /* Reason Code 0 is reserved */ |
4c476991 | 8313 | return -EINVAL; |
255e737e | 8314 | } |
636a5d36 JM |
8315 | |
8316 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
8317 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8318 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8319 | } |
8320 | ||
d5cdfacb JM |
8321 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
8322 | ||
91bf9b26 JB |
8323 | wdev_lock(dev->ieee80211_ptr); |
8324 | err = cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason_code, | |
8325 | local_state_change); | |
8326 | wdev_unlock(dev->ieee80211_ptr); | |
8327 | return err; | |
636a5d36 JM |
8328 | } |
8329 | ||
8330 | static int nl80211_disassociate(struct sk_buff *skb, struct genl_info *info) | |
8331 | { | |
4c476991 JB |
8332 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8333 | struct net_device *dev = info->user_ptr[1]; | |
19957bb3 | 8334 | const u8 *ie = NULL, *bssid; |
91bf9b26 | 8335 | int ie_len = 0, err; |
19957bb3 | 8336 | u16 reason_code; |
d5cdfacb | 8337 | bool local_state_change; |
636a5d36 | 8338 | |
f4a11bb0 JB |
8339 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8340 | return -EINVAL; | |
8341 | ||
8342 | if (!info->attrs[NL80211_ATTR_MAC]) | |
8343 | return -EINVAL; | |
8344 | ||
8345 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
8346 | return -EINVAL; | |
8347 | ||
4c476991 JB |
8348 | if (!rdev->ops->disassoc) |
8349 | return -EOPNOTSUPP; | |
636a5d36 | 8350 | |
074ac8df | 8351 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8352 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8353 | return -EOPNOTSUPP; | |
eec60b03 | 8354 | |
19957bb3 | 8355 | bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
636a5d36 | 8356 | |
19957bb3 JB |
8357 | reason_code = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); |
8358 | if (reason_code == 0) { | |
f4a11bb0 | 8359 | /* Reason Code 0 is reserved */ |
4c476991 | 8360 | return -EINVAL; |
255e737e | 8361 | } |
636a5d36 JM |
8362 | |
8363 | if (info->attrs[NL80211_ATTR_IE]) { | |
19957bb3 JB |
8364 | ie = nla_data(info->attrs[NL80211_ATTR_IE]); |
8365 | ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
636a5d36 JM |
8366 | } |
8367 | ||
d5cdfacb JM |
8368 | local_state_change = !!info->attrs[NL80211_ATTR_LOCAL_STATE_CHANGE]; |
8369 | ||
91bf9b26 JB |
8370 | wdev_lock(dev->ieee80211_ptr); |
8371 | err = cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason_code, | |
8372 | local_state_change); | |
8373 | wdev_unlock(dev->ieee80211_ptr); | |
8374 | return err; | |
636a5d36 JM |
8375 | } |
8376 | ||
dd5b4cc7 FF |
8377 | static bool |
8378 | nl80211_parse_mcast_rate(struct cfg80211_registered_device *rdev, | |
57fbcce3 | 8379 | int mcast_rate[NUM_NL80211_BANDS], |
dd5b4cc7 FF |
8380 | int rateval) |
8381 | { | |
8382 | struct wiphy *wiphy = &rdev->wiphy; | |
8383 | bool found = false; | |
8384 | int band, i; | |
8385 | ||
57fbcce3 | 8386 | for (band = 0; band < NUM_NL80211_BANDS; band++) { |
dd5b4cc7 FF |
8387 | struct ieee80211_supported_band *sband; |
8388 | ||
8389 | sband = wiphy->bands[band]; | |
8390 | if (!sband) | |
8391 | continue; | |
8392 | ||
8393 | for (i = 0; i < sband->n_bitrates; i++) { | |
8394 | if (sband->bitrates[i].bitrate == rateval) { | |
8395 | mcast_rate[band] = i + 1; | |
8396 | found = true; | |
8397 | break; | |
8398 | } | |
8399 | } | |
8400 | } | |
8401 | ||
8402 | return found; | |
8403 | } | |
8404 | ||
04a773ad JB |
8405 | static int nl80211_join_ibss(struct sk_buff *skb, struct genl_info *info) |
8406 | { | |
4c476991 JB |
8407 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8408 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad JB |
8409 | struct cfg80211_ibss_params ibss; |
8410 | struct wiphy *wiphy; | |
fffd0934 | 8411 | struct cfg80211_cached_keys *connkeys = NULL; |
04a773ad JB |
8412 | int err; |
8413 | ||
8e30bc55 JB |
8414 | memset(&ibss, 0, sizeof(ibss)); |
8415 | ||
04a773ad JB |
8416 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) |
8417 | return -EINVAL; | |
8418 | ||
683b6d3b | 8419 | if (!info->attrs[NL80211_ATTR_SSID] || |
04a773ad JB |
8420 | !nla_len(info->attrs[NL80211_ATTR_SSID])) |
8421 | return -EINVAL; | |
8422 | ||
8e30bc55 JB |
8423 | ibss.beacon_interval = 100; |
8424 | ||
12d20fc9 | 8425 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) |
8e30bc55 JB |
8426 | ibss.beacon_interval = |
8427 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
12d20fc9 | 8428 | |
0c317a02 PK |
8429 | err = cfg80211_validate_beacon_int(rdev, NL80211_IFTYPE_ADHOC, |
8430 | ibss.beacon_interval); | |
12d20fc9 PK |
8431 | if (err) |
8432 | return err; | |
8e30bc55 | 8433 | |
4c476991 JB |
8434 | if (!rdev->ops->join_ibss) |
8435 | return -EOPNOTSUPP; | |
04a773ad | 8436 | |
4c476991 JB |
8437 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
8438 | return -EOPNOTSUPP; | |
04a773ad | 8439 | |
79c97e97 | 8440 | wiphy = &rdev->wiphy; |
04a773ad | 8441 | |
39193498 | 8442 | if (info->attrs[NL80211_ATTR_MAC]) { |
04a773ad | 8443 | ibss.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); |
39193498 JB |
8444 | |
8445 | if (!is_valid_ether_addr(ibss.bssid)) | |
8446 | return -EINVAL; | |
8447 | } | |
04a773ad JB |
8448 | ibss.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
8449 | ibss.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
8450 | ||
8451 | if (info->attrs[NL80211_ATTR_IE]) { | |
8452 | ibss.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8453 | ibss.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8454 | } | |
8455 | ||
683b6d3b JB |
8456 | err = nl80211_parse_chandef(rdev, info, &ibss.chandef); |
8457 | if (err) | |
8458 | return err; | |
04a773ad | 8459 | |
174e0cd2 IP |
8460 | if (!cfg80211_reg_can_beacon(&rdev->wiphy, &ibss.chandef, |
8461 | NL80211_IFTYPE_ADHOC)) | |
54858ee5 AS |
8462 | return -EINVAL; |
8463 | ||
2f301ab2 | 8464 | switch (ibss.chandef.width) { |
bf372645 SW |
8465 | case NL80211_CHAN_WIDTH_5: |
8466 | case NL80211_CHAN_WIDTH_10: | |
2f301ab2 SW |
8467 | case NL80211_CHAN_WIDTH_20_NOHT: |
8468 | break; | |
8469 | case NL80211_CHAN_WIDTH_20: | |
8470 | case NL80211_CHAN_WIDTH_40: | |
ffc11991 JD |
8471 | if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) |
8472 | return -EINVAL; | |
8473 | break; | |
8474 | case NL80211_CHAN_WIDTH_80: | |
8475 | case NL80211_CHAN_WIDTH_80P80: | |
8476 | case NL80211_CHAN_WIDTH_160: | |
8477 | if (!(rdev->wiphy.features & NL80211_FEATURE_HT_IBSS)) | |
8478 | return -EINVAL; | |
8479 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
8480 | NL80211_EXT_FEATURE_VHT_IBSS)) | |
8481 | return -EINVAL; | |
8482 | break; | |
2f301ab2 | 8483 | default: |
c04d6150 | 8484 | return -EINVAL; |
2f301ab2 | 8485 | } |
db9c64cf | 8486 | |
04a773ad | 8487 | ibss.channel_fixed = !!info->attrs[NL80211_ATTR_FREQ_FIXED]; |
fffd0934 JB |
8488 | ibss.privacy = !!info->attrs[NL80211_ATTR_PRIVACY]; |
8489 | ||
fbd2c8dc TP |
8490 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
8491 | u8 *rates = | |
8492 | nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8493 | int n_rates = | |
8494 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
8495 | struct ieee80211_supported_band *sband = | |
683b6d3b | 8496 | wiphy->bands[ibss.chandef.chan->band]; |
fbd2c8dc | 8497 | |
34850ab2 JB |
8498 | err = ieee80211_get_ratemask(sband, rates, n_rates, |
8499 | &ibss.basic_rates); | |
8500 | if (err) | |
8501 | return err; | |
fbd2c8dc | 8502 | } |
dd5b4cc7 | 8503 | |
803768f5 SW |
8504 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) |
8505 | memcpy(&ibss.ht_capa_mask, | |
8506 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
8507 | sizeof(ibss.ht_capa_mask)); | |
8508 | ||
8509 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
8510 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
8511 | return -EINVAL; | |
8512 | memcpy(&ibss.ht_capa, | |
8513 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
8514 | sizeof(ibss.ht_capa)); | |
8515 | } | |
8516 | ||
dd5b4cc7 FF |
8517 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
8518 | !nl80211_parse_mcast_rate(rdev, ibss.mcast_rate, | |
8519 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
8520 | return -EINVAL; | |
fbd2c8dc | 8521 | |
4c476991 | 8522 | if (ibss.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
de7044ee SM |
8523 | bool no_ht = false; |
8524 | ||
4c476991 | 8525 | connkeys = nl80211_parse_connkeys(rdev, |
de7044ee SM |
8526 | info->attrs[NL80211_ATTR_KEYS], |
8527 | &no_ht); | |
4c476991 JB |
8528 | if (IS_ERR(connkeys)) |
8529 | return PTR_ERR(connkeys); | |
de7044ee | 8530 | |
3d9d1d66 JB |
8531 | if ((ibss.chandef.width != NL80211_CHAN_WIDTH_20_NOHT) && |
8532 | no_ht) { | |
5e950a78 | 8533 | kzfree(connkeys); |
de7044ee SM |
8534 | return -EINVAL; |
8535 | } | |
4c476991 | 8536 | } |
04a773ad | 8537 | |
267335d6 AQ |
8538 | ibss.control_port = |
8539 | nla_get_flag(info->attrs[NL80211_ATTR_CONTROL_PORT]); | |
8540 | ||
5336fa88 SW |
8541 | ibss.userspace_handles_dfs = |
8542 | nla_get_flag(info->attrs[NL80211_ATTR_HANDLE_DFS]); | |
8543 | ||
4c476991 | 8544 | err = cfg80211_join_ibss(rdev, dev, &ibss, connkeys); |
fffd0934 | 8545 | if (err) |
b47f610b | 8546 | kzfree(connkeys); |
04a773ad JB |
8547 | return err; |
8548 | } | |
8549 | ||
8550 | static int nl80211_leave_ibss(struct sk_buff *skb, struct genl_info *info) | |
8551 | { | |
4c476991 JB |
8552 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8553 | struct net_device *dev = info->user_ptr[1]; | |
04a773ad | 8554 | |
4c476991 JB |
8555 | if (!rdev->ops->leave_ibss) |
8556 | return -EOPNOTSUPP; | |
04a773ad | 8557 | |
4c476991 JB |
8558 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC) |
8559 | return -EOPNOTSUPP; | |
04a773ad | 8560 | |
4c476991 | 8561 | return cfg80211_leave_ibss(rdev, dev, false); |
04a773ad JB |
8562 | } |
8563 | ||
f4e583c8 AQ |
8564 | static int nl80211_set_mcast_rate(struct sk_buff *skb, struct genl_info *info) |
8565 | { | |
8566 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
8567 | struct net_device *dev = info->user_ptr[1]; | |
57fbcce3 | 8568 | int mcast_rate[NUM_NL80211_BANDS]; |
f4e583c8 AQ |
8569 | u32 nla_rate; |
8570 | int err; | |
8571 | ||
8572 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_ADHOC && | |
876dc930 BVB |
8573 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_MESH_POINT && |
8574 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_OCB) | |
f4e583c8 AQ |
8575 | return -EOPNOTSUPP; |
8576 | ||
8577 | if (!rdev->ops->set_mcast_rate) | |
8578 | return -EOPNOTSUPP; | |
8579 | ||
8580 | memset(mcast_rate, 0, sizeof(mcast_rate)); | |
8581 | ||
8582 | if (!info->attrs[NL80211_ATTR_MCAST_RATE]) | |
8583 | return -EINVAL; | |
8584 | ||
8585 | nla_rate = nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]); | |
8586 | if (!nl80211_parse_mcast_rate(rdev, mcast_rate, nla_rate)) | |
8587 | return -EINVAL; | |
8588 | ||
a1056b1b | 8589 | err = rdev_set_mcast_rate(rdev, dev, mcast_rate); |
f4e583c8 AQ |
8590 | |
8591 | return err; | |
8592 | } | |
8593 | ||
ad7e718c JB |
8594 | static struct sk_buff * |
8595 | __cfg80211_alloc_vendor_skb(struct cfg80211_registered_device *rdev, | |
6c09e791 AK |
8596 | struct wireless_dev *wdev, int approxlen, |
8597 | u32 portid, u32 seq, enum nl80211_commands cmd, | |
567ffc35 JB |
8598 | enum nl80211_attrs attr, |
8599 | const struct nl80211_vendor_cmd_info *info, | |
8600 | gfp_t gfp) | |
ad7e718c JB |
8601 | { |
8602 | struct sk_buff *skb; | |
8603 | void *hdr; | |
8604 | struct nlattr *data; | |
8605 | ||
8606 | skb = nlmsg_new(approxlen + 100, gfp); | |
8607 | if (!skb) | |
8608 | return NULL; | |
8609 | ||
8610 | hdr = nl80211hdr_put(skb, portid, seq, 0, cmd); | |
8611 | if (!hdr) { | |
8612 | kfree_skb(skb); | |
8613 | return NULL; | |
8614 | } | |
8615 | ||
8616 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
8617 | goto nla_put_failure; | |
567ffc35 JB |
8618 | |
8619 | if (info) { | |
8620 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_ID, | |
8621 | info->vendor_id)) | |
8622 | goto nla_put_failure; | |
8623 | if (nla_put_u32(skb, NL80211_ATTR_VENDOR_SUBCMD, | |
8624 | info->subcmd)) | |
8625 | goto nla_put_failure; | |
8626 | } | |
8627 | ||
6c09e791 | 8628 | if (wdev) { |
2dad624e ND |
8629 | if (nla_put_u64_64bit(skb, NL80211_ATTR_WDEV, |
8630 | wdev_id(wdev), NL80211_ATTR_PAD)) | |
6c09e791 AK |
8631 | goto nla_put_failure; |
8632 | if (wdev->netdev && | |
8633 | nla_put_u32(skb, NL80211_ATTR_IFINDEX, | |
8634 | wdev->netdev->ifindex)) | |
8635 | goto nla_put_failure; | |
8636 | } | |
8637 | ||
ad7e718c | 8638 | data = nla_nest_start(skb, attr); |
76e1fb4b JB |
8639 | if (!data) |
8640 | goto nla_put_failure; | |
ad7e718c JB |
8641 | |
8642 | ((void **)skb->cb)[0] = rdev; | |
8643 | ((void **)skb->cb)[1] = hdr; | |
8644 | ((void **)skb->cb)[2] = data; | |
8645 | ||
8646 | return skb; | |
8647 | ||
8648 | nla_put_failure: | |
8649 | kfree_skb(skb); | |
8650 | return NULL; | |
8651 | } | |
f4e583c8 | 8652 | |
e03ad6ea | 8653 | struct sk_buff *__cfg80211_alloc_event_skb(struct wiphy *wiphy, |
6c09e791 | 8654 | struct wireless_dev *wdev, |
e03ad6ea JB |
8655 | enum nl80211_commands cmd, |
8656 | enum nl80211_attrs attr, | |
8657 | int vendor_event_idx, | |
8658 | int approxlen, gfp_t gfp) | |
8659 | { | |
f26cbf40 | 8660 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
e03ad6ea JB |
8661 | const struct nl80211_vendor_cmd_info *info; |
8662 | ||
8663 | switch (cmd) { | |
8664 | case NL80211_CMD_TESTMODE: | |
8665 | if (WARN_ON(vendor_event_idx != -1)) | |
8666 | return NULL; | |
8667 | info = NULL; | |
8668 | break; | |
8669 | case NL80211_CMD_VENDOR: | |
8670 | if (WARN_ON(vendor_event_idx < 0 || | |
8671 | vendor_event_idx >= wiphy->n_vendor_events)) | |
8672 | return NULL; | |
8673 | info = &wiphy->vendor_events[vendor_event_idx]; | |
8674 | break; | |
8675 | default: | |
8676 | WARN_ON(1); | |
8677 | return NULL; | |
8678 | } | |
8679 | ||
6c09e791 | 8680 | return __cfg80211_alloc_vendor_skb(rdev, wdev, approxlen, 0, 0, |
e03ad6ea JB |
8681 | cmd, attr, info, gfp); |
8682 | } | |
8683 | EXPORT_SYMBOL(__cfg80211_alloc_event_skb); | |
8684 | ||
8685 | void __cfg80211_send_event_skb(struct sk_buff *skb, gfp_t gfp) | |
8686 | { | |
8687 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
8688 | void *hdr = ((void **)skb->cb)[1]; | |
8689 | struct nlattr *data = ((void **)skb->cb)[2]; | |
8690 | enum nl80211_multicast_groups mcgrp = NL80211_MCGRP_TESTMODE; | |
8691 | ||
bd8c78e7 JB |
8692 | /* clear CB data for netlink core to own from now on */ |
8693 | memset(skb->cb, 0, sizeof(skb->cb)); | |
8694 | ||
e03ad6ea JB |
8695 | nla_nest_end(skb, data); |
8696 | genlmsg_end(skb, hdr); | |
8697 | ||
8698 | if (data->nla_type == NL80211_ATTR_VENDOR_DATA) | |
8699 | mcgrp = NL80211_MCGRP_VENDOR; | |
8700 | ||
8701 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), skb, 0, | |
8702 | mcgrp, gfp); | |
8703 | } | |
8704 | EXPORT_SYMBOL(__cfg80211_send_event_skb); | |
8705 | ||
aff89a9b | 8706 | #ifdef CONFIG_NL80211_TESTMODE |
aff89a9b JB |
8707 | static int nl80211_testmode_do(struct sk_buff *skb, struct genl_info *info) |
8708 | { | |
4c476991 | 8709 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
fc73f11f DS |
8710 | struct wireless_dev *wdev = |
8711 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
aff89a9b JB |
8712 | int err; |
8713 | ||
fc73f11f DS |
8714 | if (!rdev->ops->testmode_cmd) |
8715 | return -EOPNOTSUPP; | |
8716 | ||
8717 | if (IS_ERR(wdev)) { | |
8718 | err = PTR_ERR(wdev); | |
8719 | if (err != -EINVAL) | |
8720 | return err; | |
8721 | wdev = NULL; | |
8722 | } else if (wdev->wiphy != &rdev->wiphy) { | |
8723 | return -EINVAL; | |
8724 | } | |
8725 | ||
aff89a9b JB |
8726 | if (!info->attrs[NL80211_ATTR_TESTDATA]) |
8727 | return -EINVAL; | |
8728 | ||
ad7e718c | 8729 | rdev->cur_cmd_info = info; |
fc73f11f | 8730 | err = rdev_testmode_cmd(rdev, wdev, |
aff89a9b JB |
8731 | nla_data(info->attrs[NL80211_ATTR_TESTDATA]), |
8732 | nla_len(info->attrs[NL80211_ATTR_TESTDATA])); | |
ad7e718c | 8733 | rdev->cur_cmd_info = NULL; |
aff89a9b | 8734 | |
aff89a9b JB |
8735 | return err; |
8736 | } | |
8737 | ||
71063f0e WYG |
8738 | static int nl80211_testmode_dump(struct sk_buff *skb, |
8739 | struct netlink_callback *cb) | |
8740 | { | |
00918d33 | 8741 | struct cfg80211_registered_device *rdev; |
71063f0e WYG |
8742 | int err; |
8743 | long phy_idx; | |
8744 | void *data = NULL; | |
8745 | int data_len = 0; | |
8746 | ||
5fe231e8 JB |
8747 | rtnl_lock(); |
8748 | ||
71063f0e WYG |
8749 | if (cb->args[0]) { |
8750 | /* | |
8751 | * 0 is a valid index, but not valid for args[0], | |
8752 | * so we need to offset by 1. | |
8753 | */ | |
8754 | phy_idx = cb->args[0] - 1; | |
a4956dca LC |
8755 | |
8756 | rdev = cfg80211_rdev_by_wiphy_idx(phy_idx); | |
8757 | if (!rdev) { | |
8758 | err = -ENOENT; | |
8759 | goto out_err; | |
8760 | } | |
71063f0e | 8761 | } else { |
c90c39da JB |
8762 | struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); |
8763 | ||
71063f0e | 8764 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, |
fceb6435 JB |
8765 | attrbuf, nl80211_fam.maxattr, |
8766 | nl80211_policy, NULL); | |
71063f0e | 8767 | if (err) |
5fe231e8 | 8768 | goto out_err; |
00918d33 | 8769 | |
c90c39da | 8770 | rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf); |
2bd7e35d | 8771 | if (IS_ERR(rdev)) { |
5fe231e8 JB |
8772 | err = PTR_ERR(rdev); |
8773 | goto out_err; | |
00918d33 | 8774 | } |
2bd7e35d | 8775 | phy_idx = rdev->wiphy_idx; |
2bd7e35d | 8776 | |
c90c39da JB |
8777 | if (attrbuf[NL80211_ATTR_TESTDATA]) |
8778 | cb->args[1] = (long)attrbuf[NL80211_ATTR_TESTDATA]; | |
71063f0e WYG |
8779 | } |
8780 | ||
8781 | if (cb->args[1]) { | |
8782 | data = nla_data((void *)cb->args[1]); | |
8783 | data_len = nla_len((void *)cb->args[1]); | |
8784 | } | |
8785 | ||
00918d33 | 8786 | if (!rdev->ops->testmode_dump) { |
71063f0e WYG |
8787 | err = -EOPNOTSUPP; |
8788 | goto out_err; | |
8789 | } | |
8790 | ||
8791 | while (1) { | |
15e47304 | 8792 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, |
71063f0e WYG |
8793 | cb->nlh->nlmsg_seq, NLM_F_MULTI, |
8794 | NL80211_CMD_TESTMODE); | |
8795 | struct nlattr *tmdata; | |
8796 | ||
cb35fba3 DC |
8797 | if (!hdr) |
8798 | break; | |
8799 | ||
9360ffd1 | 8800 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, phy_idx)) { |
71063f0e WYG |
8801 | genlmsg_cancel(skb, hdr); |
8802 | break; | |
8803 | } | |
8804 | ||
8805 | tmdata = nla_nest_start(skb, NL80211_ATTR_TESTDATA); | |
8806 | if (!tmdata) { | |
8807 | genlmsg_cancel(skb, hdr); | |
8808 | break; | |
8809 | } | |
e35e4d28 | 8810 | err = rdev_testmode_dump(rdev, skb, cb, data, data_len); |
71063f0e WYG |
8811 | nla_nest_end(skb, tmdata); |
8812 | ||
8813 | if (err == -ENOBUFS || err == -ENOENT) { | |
8814 | genlmsg_cancel(skb, hdr); | |
8815 | break; | |
8816 | } else if (err) { | |
8817 | genlmsg_cancel(skb, hdr); | |
8818 | goto out_err; | |
8819 | } | |
8820 | ||
8821 | genlmsg_end(skb, hdr); | |
8822 | } | |
8823 | ||
8824 | err = skb->len; | |
8825 | /* see above */ | |
8826 | cb->args[0] = phy_idx + 1; | |
8827 | out_err: | |
5fe231e8 | 8828 | rtnl_unlock(); |
71063f0e WYG |
8829 | return err; |
8830 | } | |
aff89a9b JB |
8831 | #endif |
8832 | ||
b23aa676 SO |
8833 | static int nl80211_connect(struct sk_buff *skb, struct genl_info *info) |
8834 | { | |
4c476991 JB |
8835 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
8836 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 SO |
8837 | struct cfg80211_connect_params connect; |
8838 | struct wiphy *wiphy; | |
fffd0934 | 8839 | struct cfg80211_cached_keys *connkeys = NULL; |
b23aa676 SO |
8840 | int err; |
8841 | ||
8842 | memset(&connect, 0, sizeof(connect)); | |
8843 | ||
8844 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
8845 | return -EINVAL; | |
8846 | ||
8847 | if (!info->attrs[NL80211_ATTR_SSID] || | |
8848 | !nla_len(info->attrs[NL80211_ATTR_SSID])) | |
8849 | return -EINVAL; | |
8850 | ||
8851 | if (info->attrs[NL80211_ATTR_AUTH_TYPE]) { | |
8852 | connect.auth_type = | |
8853 | nla_get_u32(info->attrs[NL80211_ATTR_AUTH_TYPE]); | |
e39e5b5e JM |
8854 | if (!nl80211_valid_auth_type(rdev, connect.auth_type, |
8855 | NL80211_CMD_CONNECT)) | |
b23aa676 SO |
8856 | return -EINVAL; |
8857 | } else | |
8858 | connect.auth_type = NL80211_AUTHTYPE_AUTOMATIC; | |
8859 | ||
8860 | connect.privacy = info->attrs[NL80211_ATTR_PRIVACY]; | |
8861 | ||
c0692b8f | 8862 | err = nl80211_crypto_settings(rdev, info, &connect.crypto, |
3dc27d25 | 8863 | NL80211_MAX_NR_CIPHER_SUITES); |
b23aa676 SO |
8864 | if (err) |
8865 | return err; | |
b23aa676 | 8866 | |
074ac8df | 8867 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
8868 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
8869 | return -EOPNOTSUPP; | |
b23aa676 | 8870 | |
79c97e97 | 8871 | wiphy = &rdev->wiphy; |
b23aa676 | 8872 | |
4486ea98 BS |
8873 | connect.bg_scan_period = -1; |
8874 | if (info->attrs[NL80211_ATTR_BG_SCAN_PERIOD] && | |
8875 | (wiphy->flags & WIPHY_FLAG_SUPPORTS_FW_ROAM)) { | |
8876 | connect.bg_scan_period = | |
8877 | nla_get_u16(info->attrs[NL80211_ATTR_BG_SCAN_PERIOD]); | |
8878 | } | |
8879 | ||
b23aa676 SO |
8880 | if (info->attrs[NL80211_ATTR_MAC]) |
8881 | connect.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
1df4a510 JM |
8882 | else if (info->attrs[NL80211_ATTR_MAC_HINT]) |
8883 | connect.bssid_hint = | |
8884 | nla_data(info->attrs[NL80211_ATTR_MAC_HINT]); | |
b23aa676 SO |
8885 | connect.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); |
8886 | connect.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
8887 | ||
8888 | if (info->attrs[NL80211_ATTR_IE]) { | |
8889 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
8890 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
8891 | } | |
8892 | ||
cee00a95 JM |
8893 | if (info->attrs[NL80211_ATTR_USE_MFP]) { |
8894 | connect.mfp = nla_get_u32(info->attrs[NL80211_ATTR_USE_MFP]); | |
8895 | if (connect.mfp != NL80211_MFP_REQUIRED && | |
8896 | connect.mfp != NL80211_MFP_NO) | |
8897 | return -EINVAL; | |
8898 | } else { | |
8899 | connect.mfp = NL80211_MFP_NO; | |
8900 | } | |
8901 | ||
ba6fbacf JM |
8902 | if (info->attrs[NL80211_ATTR_PREV_BSSID]) |
8903 | connect.prev_bssid = | |
8904 | nla_data(info->attrs[NL80211_ATTR_PREV_BSSID]); | |
8905 | ||
b23aa676 | 8906 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
664834de JM |
8907 | connect.channel = nl80211_get_valid_chan( |
8908 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ]); | |
8909 | if (!connect.channel) | |
1df4a510 JM |
8910 | return -EINVAL; |
8911 | } else if (info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]) { | |
664834de JM |
8912 | connect.channel_hint = nl80211_get_valid_chan( |
8913 | wiphy, info->attrs[NL80211_ATTR_WIPHY_FREQ_HINT]); | |
8914 | if (!connect.channel_hint) | |
4c476991 | 8915 | return -EINVAL; |
b23aa676 SO |
8916 | } |
8917 | ||
fffd0934 JB |
8918 | if (connect.privacy && info->attrs[NL80211_ATTR_KEYS]) { |
8919 | connkeys = nl80211_parse_connkeys(rdev, | |
de7044ee | 8920 | info->attrs[NL80211_ATTR_KEYS], NULL); |
4c476991 JB |
8921 | if (IS_ERR(connkeys)) |
8922 | return PTR_ERR(connkeys); | |
fffd0934 JB |
8923 | } |
8924 | ||
7e7c8926 BG |
8925 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_HT])) |
8926 | connect.flags |= ASSOC_REQ_DISABLE_HT; | |
8927 | ||
8928 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) | |
8929 | memcpy(&connect.ht_capa_mask, | |
8930 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]), | |
8931 | sizeof(connect.ht_capa_mask)); | |
8932 | ||
8933 | if (info->attrs[NL80211_ATTR_HT_CAPABILITY]) { | |
b4e4f47e | 8934 | if (!info->attrs[NL80211_ATTR_HT_CAPABILITY_MASK]) { |
b47f610b | 8935 | kzfree(connkeys); |
7e7c8926 | 8936 | return -EINVAL; |
b4e4f47e | 8937 | } |
7e7c8926 BG |
8938 | memcpy(&connect.ht_capa, |
8939 | nla_data(info->attrs[NL80211_ATTR_HT_CAPABILITY]), | |
8940 | sizeof(connect.ht_capa)); | |
8941 | } | |
8942 | ||
ee2aca34 JB |
8943 | if (nla_get_flag(info->attrs[NL80211_ATTR_DISABLE_VHT])) |
8944 | connect.flags |= ASSOC_REQ_DISABLE_VHT; | |
8945 | ||
8946 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) | |
8947 | memcpy(&connect.vht_capa_mask, | |
8948 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]), | |
8949 | sizeof(connect.vht_capa_mask)); | |
8950 | ||
8951 | if (info->attrs[NL80211_ATTR_VHT_CAPABILITY]) { | |
8952 | if (!info->attrs[NL80211_ATTR_VHT_CAPABILITY_MASK]) { | |
b47f610b | 8953 | kzfree(connkeys); |
ee2aca34 JB |
8954 | return -EINVAL; |
8955 | } | |
8956 | memcpy(&connect.vht_capa, | |
8957 | nla_data(info->attrs[NL80211_ATTR_VHT_CAPABILITY]), | |
8958 | sizeof(connect.vht_capa)); | |
8959 | } | |
8960 | ||
bab5ab7d | 8961 | if (nla_get_flag(info->attrs[NL80211_ATTR_USE_RRM])) { |
0c9ca11b BL |
8962 | if (!((rdev->wiphy.features & |
8963 | NL80211_FEATURE_DS_PARAM_SET_IE_IN_PROBES) && | |
8964 | (rdev->wiphy.features & NL80211_FEATURE_QUIET)) && | |
8965 | !wiphy_ext_feature_isset(&rdev->wiphy, | |
8966 | NL80211_EXT_FEATURE_RRM)) { | |
707554b4 | 8967 | kzfree(connkeys); |
bab5ab7d | 8968 | return -EINVAL; |
707554b4 | 8969 | } |
bab5ab7d AK |
8970 | connect.flags |= ASSOC_REQ_USE_RRM; |
8971 | } | |
8972 | ||
34d50519 | 8973 | connect.pbss = nla_get_flag(info->attrs[NL80211_ATTR_PBSS]); |
57fbcce3 | 8974 | if (connect.pbss && !rdev->wiphy.bands[NL80211_BAND_60GHZ]) { |
34d50519 LD |
8975 | kzfree(connkeys); |
8976 | return -EOPNOTSUPP; | |
8977 | } | |
8978 | ||
38de03d2 AS |
8979 | if (info->attrs[NL80211_ATTR_BSS_SELECT]) { |
8980 | /* bss selection makes no sense if bssid is set */ | |
8981 | if (connect.bssid) { | |
8982 | kzfree(connkeys); | |
8983 | return -EINVAL; | |
8984 | } | |
8985 | ||
8986 | err = parse_bss_select(info->attrs[NL80211_ATTR_BSS_SELECT], | |
8987 | wiphy, &connect.bss_select); | |
8988 | if (err) { | |
8989 | kzfree(connkeys); | |
8990 | return err; | |
8991 | } | |
8992 | } | |
8993 | ||
a3caf744 VK |
8994 | if (wiphy_ext_feature_isset(&rdev->wiphy, |
8995 | NL80211_EXT_FEATURE_FILS_SK_OFFLOAD) && | |
8996 | info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] && | |
8997 | info->attrs[NL80211_ATTR_FILS_ERP_REALM] && | |
8998 | info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] && | |
8999 | info->attrs[NL80211_ATTR_FILS_ERP_RRK]) { | |
9000 | connect.fils_erp_username = | |
9001 | nla_data(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]); | |
9002 | connect.fils_erp_username_len = | |
9003 | nla_len(info->attrs[NL80211_ATTR_FILS_ERP_USERNAME]); | |
9004 | connect.fils_erp_realm = | |
9005 | nla_data(info->attrs[NL80211_ATTR_FILS_ERP_REALM]); | |
9006 | connect.fils_erp_realm_len = | |
9007 | nla_len(info->attrs[NL80211_ATTR_FILS_ERP_REALM]); | |
9008 | connect.fils_erp_next_seq_num = | |
9009 | nla_get_u16( | |
9010 | info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM]); | |
9011 | connect.fils_erp_rrk = | |
9012 | nla_data(info->attrs[NL80211_ATTR_FILS_ERP_RRK]); | |
9013 | connect.fils_erp_rrk_len = | |
9014 | nla_len(info->attrs[NL80211_ATTR_FILS_ERP_RRK]); | |
9015 | } else if (info->attrs[NL80211_ATTR_FILS_ERP_USERNAME] || | |
9016 | info->attrs[NL80211_ATTR_FILS_ERP_REALM] || | |
9017 | info->attrs[NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM] || | |
9018 | info->attrs[NL80211_ATTR_FILS_ERP_RRK]) { | |
9019 | kzfree(connkeys); | |
9020 | return -EINVAL; | |
9021 | } | |
9022 | ||
83739b03 | 9023 | wdev_lock(dev->ieee80211_ptr); |
bd2522b1 | 9024 | |
4ce2bd9c JM |
9025 | err = cfg80211_connect(rdev, dev, &connect, connkeys, |
9026 | connect.prev_bssid); | |
fffd0934 | 9027 | if (err) |
b47f610b | 9028 | kzfree(connkeys); |
bd2522b1 AZ |
9029 | |
9030 | if (!err && info->attrs[NL80211_ATTR_SOCKET_OWNER]) { | |
9031 | dev->ieee80211_ptr->conn_owner_nlportid = info->snd_portid; | |
9032 | if (connect.bssid) | |
9033 | memcpy(dev->ieee80211_ptr->disconnect_bssid, | |
9034 | connect.bssid, ETH_ALEN); | |
9035 | else | |
9036 | memset(dev->ieee80211_ptr->disconnect_bssid, | |
9037 | 0, ETH_ALEN); | |
9038 | } | |
9039 | ||
9040 | wdev_unlock(dev->ieee80211_ptr); | |
9041 | ||
b23aa676 SO |
9042 | return err; |
9043 | } | |
9044 | ||
088e8df8 | 9045 | static int nl80211_update_connect_params(struct sk_buff *skb, |
9046 | struct genl_info *info) | |
9047 | { | |
9048 | struct cfg80211_connect_params connect = {}; | |
9049 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9050 | struct net_device *dev = info->user_ptr[1]; | |
9051 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9052 | u32 changed = 0; | |
9053 | int ret; | |
9054 | ||
9055 | if (!rdev->ops->update_connect_params) | |
9056 | return -EOPNOTSUPP; | |
9057 | ||
9058 | if (info->attrs[NL80211_ATTR_IE]) { | |
9059 | if (!is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
9060 | return -EINVAL; | |
9061 | connect.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
9062 | connect.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
9063 | changed |= UPDATE_ASSOC_IES; | |
9064 | } | |
9065 | ||
9066 | wdev_lock(dev->ieee80211_ptr); | |
9067 | if (!wdev->current_bss) | |
9068 | ret = -ENOLINK; | |
9069 | else | |
9070 | ret = rdev_update_connect_params(rdev, dev, &connect, changed); | |
9071 | wdev_unlock(dev->ieee80211_ptr); | |
9072 | ||
9073 | return ret; | |
9074 | } | |
9075 | ||
b23aa676 SO |
9076 | static int nl80211_disconnect(struct sk_buff *skb, struct genl_info *info) |
9077 | { | |
4c476991 JB |
9078 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
9079 | struct net_device *dev = info->user_ptr[1]; | |
b23aa676 | 9080 | u16 reason; |
83739b03 | 9081 | int ret; |
b23aa676 SO |
9082 | |
9083 | if (!info->attrs[NL80211_ATTR_REASON_CODE]) | |
9084 | reason = WLAN_REASON_DEAUTH_LEAVING; | |
9085 | else | |
9086 | reason = nla_get_u16(info->attrs[NL80211_ATTR_REASON_CODE]); | |
9087 | ||
9088 | if (reason == 0) | |
9089 | return -EINVAL; | |
9090 | ||
074ac8df | 9091 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
9092 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
9093 | return -EOPNOTSUPP; | |
b23aa676 | 9094 | |
83739b03 JB |
9095 | wdev_lock(dev->ieee80211_ptr); |
9096 | ret = cfg80211_disconnect(rdev, dev, reason, true); | |
9097 | wdev_unlock(dev->ieee80211_ptr); | |
9098 | return ret; | |
b23aa676 SO |
9099 | } |
9100 | ||
463d0183 JB |
9101 | static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info) |
9102 | { | |
4c476991 | 9103 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
463d0183 JB |
9104 | struct net *net; |
9105 | int err; | |
463d0183 | 9106 | |
4b681c82 VK |
9107 | if (info->attrs[NL80211_ATTR_PID]) { |
9108 | u32 pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]); | |
9109 | ||
9110 | net = get_net_ns_by_pid(pid); | |
9111 | } else if (info->attrs[NL80211_ATTR_NETNS_FD]) { | |
9112 | u32 fd = nla_get_u32(info->attrs[NL80211_ATTR_NETNS_FD]); | |
463d0183 | 9113 | |
4b681c82 VK |
9114 | net = get_net_ns_by_fd(fd); |
9115 | } else { | |
9116 | return -EINVAL; | |
9117 | } | |
463d0183 | 9118 | |
4c476991 JB |
9119 | if (IS_ERR(net)) |
9120 | return PTR_ERR(net); | |
463d0183 JB |
9121 | |
9122 | err = 0; | |
9123 | ||
9124 | /* check if anything to do */ | |
4c476991 JB |
9125 | if (!net_eq(wiphy_net(&rdev->wiphy), net)) |
9126 | err = cfg80211_switch_netns(rdev, net); | |
463d0183 | 9127 | |
463d0183 | 9128 | put_net(net); |
463d0183 JB |
9129 | return err; |
9130 | } | |
9131 | ||
67fbb16b SO |
9132 | static int nl80211_setdel_pmksa(struct sk_buff *skb, struct genl_info *info) |
9133 | { | |
4c476991 | 9134 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
67fbb16b SO |
9135 | int (*rdev_ops)(struct wiphy *wiphy, struct net_device *dev, |
9136 | struct cfg80211_pmksa *pmksa) = NULL; | |
4c476991 | 9137 | struct net_device *dev = info->user_ptr[1]; |
67fbb16b SO |
9138 | struct cfg80211_pmksa pmksa; |
9139 | ||
9140 | memset(&pmksa, 0, sizeof(struct cfg80211_pmksa)); | |
9141 | ||
67fbb16b SO |
9142 | if (!info->attrs[NL80211_ATTR_PMKID]) |
9143 | return -EINVAL; | |
9144 | ||
67fbb16b | 9145 | pmksa.pmkid = nla_data(info->attrs[NL80211_ATTR_PMKID]); |
a3caf744 VK |
9146 | |
9147 | if (info->attrs[NL80211_ATTR_MAC]) { | |
9148 | pmksa.bssid = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9149 | } else if (info->attrs[NL80211_ATTR_SSID] && | |
9150 | info->attrs[NL80211_ATTR_FILS_CACHE_ID] && | |
9151 | (info->genlhdr->cmd == NL80211_CMD_DEL_PMKSA || | |
9152 | info->attrs[NL80211_ATTR_PMK])) { | |
9153 | pmksa.ssid = nla_data(info->attrs[NL80211_ATTR_SSID]); | |
9154 | pmksa.ssid_len = nla_len(info->attrs[NL80211_ATTR_SSID]); | |
9155 | pmksa.cache_id = | |
9156 | nla_data(info->attrs[NL80211_ATTR_FILS_CACHE_ID]); | |
9157 | } else { | |
9158 | return -EINVAL; | |
9159 | } | |
9160 | if (info->attrs[NL80211_ATTR_PMK]) { | |
9161 | pmksa.pmk = nla_data(info->attrs[NL80211_ATTR_PMK]); | |
9162 | pmksa.pmk_len = nla_len(info->attrs[NL80211_ATTR_PMK]); | |
9163 | } | |
67fbb16b | 9164 | |
074ac8df | 9165 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
9166 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
9167 | return -EOPNOTSUPP; | |
67fbb16b SO |
9168 | |
9169 | switch (info->genlhdr->cmd) { | |
9170 | case NL80211_CMD_SET_PMKSA: | |
9171 | rdev_ops = rdev->ops->set_pmksa; | |
9172 | break; | |
9173 | case NL80211_CMD_DEL_PMKSA: | |
9174 | rdev_ops = rdev->ops->del_pmksa; | |
9175 | break; | |
9176 | default: | |
9177 | WARN_ON(1); | |
9178 | break; | |
9179 | } | |
9180 | ||
4c476991 JB |
9181 | if (!rdev_ops) |
9182 | return -EOPNOTSUPP; | |
67fbb16b | 9183 | |
4c476991 | 9184 | return rdev_ops(&rdev->wiphy, dev, &pmksa); |
67fbb16b SO |
9185 | } |
9186 | ||
9187 | static int nl80211_flush_pmksa(struct sk_buff *skb, struct genl_info *info) | |
9188 | { | |
4c476991 JB |
9189 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
9190 | struct net_device *dev = info->user_ptr[1]; | |
67fbb16b | 9191 | |
074ac8df | 9192 | if (dev->ieee80211_ptr->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
9193 | dev->ieee80211_ptr->iftype != NL80211_IFTYPE_P2P_CLIENT) |
9194 | return -EOPNOTSUPP; | |
67fbb16b | 9195 | |
4c476991 JB |
9196 | if (!rdev->ops->flush_pmksa) |
9197 | return -EOPNOTSUPP; | |
67fbb16b | 9198 | |
e35e4d28 | 9199 | return rdev_flush_pmksa(rdev, dev); |
67fbb16b SO |
9200 | } |
9201 | ||
109086ce AN |
9202 | static int nl80211_tdls_mgmt(struct sk_buff *skb, struct genl_info *info) |
9203 | { | |
9204 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9205 | struct net_device *dev = info->user_ptr[1]; | |
9206 | u8 action_code, dialog_token; | |
df942e7b | 9207 | u32 peer_capability = 0; |
109086ce AN |
9208 | u16 status_code; |
9209 | u8 *peer; | |
31fa97c5 | 9210 | bool initiator; |
109086ce AN |
9211 | |
9212 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
9213 | !rdev->ops->tdls_mgmt) | |
9214 | return -EOPNOTSUPP; | |
9215 | ||
9216 | if (!info->attrs[NL80211_ATTR_TDLS_ACTION] || | |
9217 | !info->attrs[NL80211_ATTR_STATUS_CODE] || | |
9218 | !info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN] || | |
9219 | !info->attrs[NL80211_ATTR_IE] || | |
9220 | !info->attrs[NL80211_ATTR_MAC]) | |
9221 | return -EINVAL; | |
9222 | ||
9223 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9224 | action_code = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_ACTION]); | |
9225 | status_code = nla_get_u16(info->attrs[NL80211_ATTR_STATUS_CODE]); | |
9226 | dialog_token = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_DIALOG_TOKEN]); | |
31fa97c5 | 9227 | initiator = nla_get_flag(info->attrs[NL80211_ATTR_TDLS_INITIATOR]); |
df942e7b SDU |
9228 | if (info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]) |
9229 | peer_capability = | |
9230 | nla_get_u32(info->attrs[NL80211_ATTR_TDLS_PEER_CAPABILITY]); | |
109086ce | 9231 | |
e35e4d28 | 9232 | return rdev_tdls_mgmt(rdev, dev, peer, action_code, |
df942e7b | 9233 | dialog_token, status_code, peer_capability, |
31fa97c5 | 9234 | initiator, |
e35e4d28 HG |
9235 | nla_data(info->attrs[NL80211_ATTR_IE]), |
9236 | nla_len(info->attrs[NL80211_ATTR_IE])); | |
109086ce AN |
9237 | } |
9238 | ||
9239 | static int nl80211_tdls_oper(struct sk_buff *skb, struct genl_info *info) | |
9240 | { | |
9241 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9242 | struct net_device *dev = info->user_ptr[1]; | |
9243 | enum nl80211_tdls_operation operation; | |
9244 | u8 *peer; | |
9245 | ||
9246 | if (!(rdev->wiphy.flags & WIPHY_FLAG_SUPPORTS_TDLS) || | |
9247 | !rdev->ops->tdls_oper) | |
9248 | return -EOPNOTSUPP; | |
9249 | ||
9250 | if (!info->attrs[NL80211_ATTR_TDLS_OPERATION] || | |
9251 | !info->attrs[NL80211_ATTR_MAC]) | |
9252 | return -EINVAL; | |
9253 | ||
9254 | operation = nla_get_u8(info->attrs[NL80211_ATTR_TDLS_OPERATION]); | |
9255 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
9256 | ||
e35e4d28 | 9257 | return rdev_tdls_oper(rdev, dev, peer, operation); |
109086ce AN |
9258 | } |
9259 | ||
9588bbd5 JM |
9260 | static int nl80211_remain_on_channel(struct sk_buff *skb, |
9261 | struct genl_info *info) | |
9262 | { | |
4c476991 | 9263 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9264 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 9265 | struct cfg80211_chan_def chandef; |
34373d12 | 9266 | const struct cfg80211_chan_def *compat_chandef; |
9588bbd5 JM |
9267 | struct sk_buff *msg; |
9268 | void *hdr; | |
9269 | u64 cookie; | |
683b6d3b | 9270 | u32 duration; |
9588bbd5 JM |
9271 | int err; |
9272 | ||
9273 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ] || | |
9274 | !info->attrs[NL80211_ATTR_DURATION]) | |
9275 | return -EINVAL; | |
9276 | ||
9277 | duration = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); | |
9278 | ||
ebf348fc JB |
9279 | if (!rdev->ops->remain_on_channel || |
9280 | !(rdev->wiphy.flags & WIPHY_FLAG_HAS_REMAIN_ON_CHANNEL)) | |
9281 | return -EOPNOTSUPP; | |
9282 | ||
9588bbd5 | 9283 | /* |
ebf348fc JB |
9284 | * We should be on that channel for at least a minimum amount of |
9285 | * time (10ms) but no longer than the driver supports. | |
9588bbd5 | 9286 | */ |
ebf348fc | 9287 | if (duration < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
a293911d | 9288 | duration > rdev->wiphy.max_remain_on_channel_duration) |
9588bbd5 JM |
9289 | return -EINVAL; |
9290 | ||
683b6d3b JB |
9291 | err = nl80211_parse_chandef(rdev, info, &chandef); |
9292 | if (err) | |
9293 | return err; | |
9588bbd5 | 9294 | |
34373d12 VT |
9295 | wdev_lock(wdev); |
9296 | if (!cfg80211_off_channel_oper_allowed(wdev) && | |
9297 | !cfg80211_chandef_identical(&wdev->chandef, &chandef)) { | |
9298 | compat_chandef = cfg80211_chandef_compatible(&wdev->chandef, | |
9299 | &chandef); | |
9300 | if (compat_chandef != &chandef) { | |
9301 | wdev_unlock(wdev); | |
9302 | return -EBUSY; | |
9303 | } | |
9304 | } | |
9305 | wdev_unlock(wdev); | |
9306 | ||
9588bbd5 | 9307 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
4c476991 JB |
9308 | if (!msg) |
9309 | return -ENOMEM; | |
9588bbd5 | 9310 | |
15e47304 | 9311 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
9588bbd5 | 9312 | NL80211_CMD_REMAIN_ON_CHANNEL); |
cb35fba3 DC |
9313 | if (!hdr) { |
9314 | err = -ENOBUFS; | |
9588bbd5 JM |
9315 | goto free_msg; |
9316 | } | |
9317 | ||
683b6d3b JB |
9318 | err = rdev_remain_on_channel(rdev, wdev, chandef.chan, |
9319 | duration, &cookie); | |
9588bbd5 JM |
9320 | |
9321 | if (err) | |
9322 | goto free_msg; | |
9323 | ||
2dad624e ND |
9324 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
9325 | NL80211_ATTR_PAD)) | |
9360ffd1 | 9326 | goto nla_put_failure; |
9588bbd5 JM |
9327 | |
9328 | genlmsg_end(msg, hdr); | |
4c476991 JB |
9329 | |
9330 | return genlmsg_reply(msg, info); | |
9588bbd5 JM |
9331 | |
9332 | nla_put_failure: | |
9333 | err = -ENOBUFS; | |
9334 | free_msg: | |
9335 | nlmsg_free(msg); | |
9588bbd5 JM |
9336 | return err; |
9337 | } | |
9338 | ||
9339 | static int nl80211_cancel_remain_on_channel(struct sk_buff *skb, | |
9340 | struct genl_info *info) | |
9341 | { | |
4c476991 | 9342 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9343 | struct wireless_dev *wdev = info->user_ptr[1]; |
9588bbd5 | 9344 | u64 cookie; |
9588bbd5 JM |
9345 | |
9346 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
9347 | return -EINVAL; | |
9348 | ||
4c476991 JB |
9349 | if (!rdev->ops->cancel_remain_on_channel) |
9350 | return -EOPNOTSUPP; | |
9588bbd5 | 9351 | |
9588bbd5 JM |
9352 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); |
9353 | ||
e35e4d28 | 9354 | return rdev_cancel_remain_on_channel(rdev, wdev, cookie); |
9588bbd5 JM |
9355 | } |
9356 | ||
13ae75b1 JM |
9357 | static int nl80211_set_tx_bitrate_mask(struct sk_buff *skb, |
9358 | struct genl_info *info) | |
9359 | { | |
13ae75b1 | 9360 | struct cfg80211_bitrate_mask mask; |
a7c7fbff | 9361 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 9362 | struct net_device *dev = info->user_ptr[1]; |
a7c7fbff | 9363 | int err; |
13ae75b1 | 9364 | |
4c476991 JB |
9365 | if (!rdev->ops->set_bitrate_mask) |
9366 | return -EOPNOTSUPP; | |
13ae75b1 | 9367 | |
a7c7fbff PK |
9368 | err = nl80211_parse_tx_bitrate_mask(info, &mask); |
9369 | if (err) | |
9370 | return err; | |
13ae75b1 | 9371 | |
e35e4d28 | 9372 | return rdev_set_bitrate_mask(rdev, dev, NULL, &mask); |
13ae75b1 JM |
9373 | } |
9374 | ||
2e161f78 | 9375 | static int nl80211_register_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 9376 | { |
4c476991 | 9377 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9378 | struct wireless_dev *wdev = info->user_ptr[1]; |
2e161f78 | 9379 | u16 frame_type = IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_ACTION; |
026331c4 JM |
9380 | |
9381 | if (!info->attrs[NL80211_ATTR_FRAME_MATCH]) | |
9382 | return -EINVAL; | |
9383 | ||
2e161f78 JB |
9384 | if (info->attrs[NL80211_ATTR_FRAME_TYPE]) |
9385 | frame_type = nla_get_u16(info->attrs[NL80211_ATTR_FRAME_TYPE]); | |
026331c4 | 9386 | |
71bbc994 JB |
9387 | switch (wdev->iftype) { |
9388 | case NL80211_IFTYPE_STATION: | |
9389 | case NL80211_IFTYPE_ADHOC: | |
9390 | case NL80211_IFTYPE_P2P_CLIENT: | |
9391 | case NL80211_IFTYPE_AP: | |
9392 | case NL80211_IFTYPE_AP_VLAN: | |
9393 | case NL80211_IFTYPE_MESH_POINT: | |
9394 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 9395 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 | 9396 | break; |
cb3b7d87 | 9397 | case NL80211_IFTYPE_NAN: |
71bbc994 | 9398 | default: |
4c476991 | 9399 | return -EOPNOTSUPP; |
71bbc994 | 9400 | } |
026331c4 JM |
9401 | |
9402 | /* not much point in registering if we can't reply */ | |
4c476991 JB |
9403 | if (!rdev->ops->mgmt_tx) |
9404 | return -EOPNOTSUPP; | |
026331c4 | 9405 | |
15e47304 | 9406 | return cfg80211_mlme_register_mgmt(wdev, info->snd_portid, frame_type, |
026331c4 JM |
9407 | nla_data(info->attrs[NL80211_ATTR_FRAME_MATCH]), |
9408 | nla_len(info->attrs[NL80211_ATTR_FRAME_MATCH])); | |
026331c4 JM |
9409 | } |
9410 | ||
2e161f78 | 9411 | static int nl80211_tx_mgmt(struct sk_buff *skb, struct genl_info *info) |
026331c4 | 9412 | { |
4c476991 | 9413 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
71bbc994 | 9414 | struct wireless_dev *wdev = info->user_ptr[1]; |
683b6d3b | 9415 | struct cfg80211_chan_def chandef; |
026331c4 | 9416 | int err; |
d64d373f | 9417 | void *hdr = NULL; |
026331c4 | 9418 | u64 cookie; |
e247bd90 | 9419 | struct sk_buff *msg = NULL; |
b176e629 AO |
9420 | struct cfg80211_mgmt_tx_params params = { |
9421 | .dont_wait_for_ack = | |
9422 | info->attrs[NL80211_ATTR_DONT_WAIT_FOR_ACK], | |
9423 | }; | |
026331c4 | 9424 | |
683b6d3b | 9425 | if (!info->attrs[NL80211_ATTR_FRAME]) |
026331c4 JM |
9426 | return -EINVAL; |
9427 | ||
4c476991 JB |
9428 | if (!rdev->ops->mgmt_tx) |
9429 | return -EOPNOTSUPP; | |
026331c4 | 9430 | |
71bbc994 | 9431 | switch (wdev->iftype) { |
ea141b75 AQ |
9432 | case NL80211_IFTYPE_P2P_DEVICE: |
9433 | if (!info->attrs[NL80211_ATTR_WIPHY_FREQ]) | |
9434 | return -EINVAL; | |
71bbc994 JB |
9435 | case NL80211_IFTYPE_STATION: |
9436 | case NL80211_IFTYPE_ADHOC: | |
9437 | case NL80211_IFTYPE_P2P_CLIENT: | |
9438 | case NL80211_IFTYPE_AP: | |
9439 | case NL80211_IFTYPE_AP_VLAN: | |
9440 | case NL80211_IFTYPE_MESH_POINT: | |
9441 | case NL80211_IFTYPE_P2P_GO: | |
9442 | break; | |
cb3b7d87 | 9443 | case NL80211_IFTYPE_NAN: |
71bbc994 | 9444 | default: |
4c476991 | 9445 | return -EOPNOTSUPP; |
71bbc994 | 9446 | } |
026331c4 | 9447 | |
f7ca38df | 9448 | if (info->attrs[NL80211_ATTR_DURATION]) { |
7c4ef712 | 9449 | if (!(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
f7ca38df | 9450 | return -EINVAL; |
b176e629 | 9451 | params.wait = nla_get_u32(info->attrs[NL80211_ATTR_DURATION]); |
ebf348fc JB |
9452 | |
9453 | /* | |
9454 | * We should wait on the channel for at least a minimum amount | |
9455 | * of time (10ms) but no longer than the driver supports. | |
9456 | */ | |
b176e629 AO |
9457 | if (params.wait < NL80211_MIN_REMAIN_ON_CHANNEL_TIME || |
9458 | params.wait > rdev->wiphy.max_remain_on_channel_duration) | |
ebf348fc | 9459 | return -EINVAL; |
f7ca38df JB |
9460 | } |
9461 | ||
b176e629 | 9462 | params.offchan = info->attrs[NL80211_ATTR_OFFCHANNEL_TX_OK]; |
f7ca38df | 9463 | |
b176e629 | 9464 | if (params.offchan && !(rdev->wiphy.flags & WIPHY_FLAG_OFFCHAN_TX)) |
7c4ef712 JB |
9465 | return -EINVAL; |
9466 | ||
b176e629 | 9467 | params.no_cck = nla_get_flag(info->attrs[NL80211_ATTR_TX_NO_CCK_RATE]); |
e9f935e3 | 9468 | |
ea141b75 AQ |
9469 | /* get the channel if any has been specified, otherwise pass NULL to |
9470 | * the driver. The latter will use the current one | |
9471 | */ | |
9472 | chandef.chan = NULL; | |
9473 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { | |
9474 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
9475 | if (err) | |
9476 | return err; | |
9477 | } | |
9478 | ||
b176e629 | 9479 | if (!chandef.chan && params.offchan) |
ea141b75 | 9480 | return -EINVAL; |
026331c4 | 9481 | |
34373d12 VT |
9482 | wdev_lock(wdev); |
9483 | if (params.offchan && !cfg80211_off_channel_oper_allowed(wdev)) { | |
9484 | wdev_unlock(wdev); | |
9485 | return -EBUSY; | |
9486 | } | |
9487 | wdev_unlock(wdev); | |
9488 | ||
34d22ce2 AO |
9489 | params.buf = nla_data(info->attrs[NL80211_ATTR_FRAME]); |
9490 | params.len = nla_len(info->attrs[NL80211_ATTR_FRAME]); | |
9491 | ||
9492 | if (info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]) { | |
9493 | int len = nla_len(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
9494 | int i; | |
9495 | ||
9496 | if (len % sizeof(u16)) | |
9497 | return -EINVAL; | |
9498 | ||
9499 | params.n_csa_offsets = len / sizeof(u16); | |
9500 | params.csa_offsets = | |
9501 | nla_data(info->attrs[NL80211_ATTR_CSA_C_OFFSETS_TX]); | |
9502 | ||
9503 | /* check that all the offsets fit the frame */ | |
9504 | for (i = 0; i < params.n_csa_offsets; i++) { | |
9505 | if (params.csa_offsets[i] >= params.len) | |
9506 | return -EINVAL; | |
9507 | } | |
9508 | } | |
9509 | ||
b176e629 | 9510 | if (!params.dont_wait_for_ack) { |
e247bd90 JB |
9511 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
9512 | if (!msg) | |
9513 | return -ENOMEM; | |
026331c4 | 9514 | |
15e47304 | 9515 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
e247bd90 | 9516 | NL80211_CMD_FRAME); |
cb35fba3 DC |
9517 | if (!hdr) { |
9518 | err = -ENOBUFS; | |
e247bd90 JB |
9519 | goto free_msg; |
9520 | } | |
026331c4 | 9521 | } |
e247bd90 | 9522 | |
b176e629 AO |
9523 | params.chan = chandef.chan; |
9524 | err = cfg80211_mlme_mgmt_tx(rdev, wdev, ¶ms, &cookie); | |
026331c4 JM |
9525 | if (err) |
9526 | goto free_msg; | |
9527 | ||
e247bd90 | 9528 | if (msg) { |
2dad624e ND |
9529 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
9530 | NL80211_ATTR_PAD)) | |
9360ffd1 | 9531 | goto nla_put_failure; |
026331c4 | 9532 | |
e247bd90 JB |
9533 | genlmsg_end(msg, hdr); |
9534 | return genlmsg_reply(msg, info); | |
9535 | } | |
9536 | ||
9537 | return 0; | |
026331c4 JM |
9538 | |
9539 | nla_put_failure: | |
9540 | err = -ENOBUFS; | |
9541 | free_msg: | |
9542 | nlmsg_free(msg); | |
026331c4 JM |
9543 | return err; |
9544 | } | |
9545 | ||
f7ca38df JB |
9546 | static int nl80211_tx_mgmt_cancel_wait(struct sk_buff *skb, struct genl_info *info) |
9547 | { | |
9548 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
71bbc994 | 9549 | struct wireless_dev *wdev = info->user_ptr[1]; |
f7ca38df JB |
9550 | u64 cookie; |
9551 | ||
9552 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
9553 | return -EINVAL; | |
9554 | ||
9555 | if (!rdev->ops->mgmt_tx_cancel_wait) | |
9556 | return -EOPNOTSUPP; | |
9557 | ||
71bbc994 JB |
9558 | switch (wdev->iftype) { |
9559 | case NL80211_IFTYPE_STATION: | |
9560 | case NL80211_IFTYPE_ADHOC: | |
9561 | case NL80211_IFTYPE_P2P_CLIENT: | |
9562 | case NL80211_IFTYPE_AP: | |
9563 | case NL80211_IFTYPE_AP_VLAN: | |
9564 | case NL80211_IFTYPE_P2P_GO: | |
98104fde | 9565 | case NL80211_IFTYPE_P2P_DEVICE: |
71bbc994 | 9566 | break; |
cb3b7d87 | 9567 | case NL80211_IFTYPE_NAN: |
71bbc994 | 9568 | default: |
f7ca38df | 9569 | return -EOPNOTSUPP; |
71bbc994 | 9570 | } |
f7ca38df JB |
9571 | |
9572 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
9573 | ||
e35e4d28 | 9574 | return rdev_mgmt_tx_cancel_wait(rdev, wdev, cookie); |
f7ca38df JB |
9575 | } |
9576 | ||
ffb9eb3d KV |
9577 | static int nl80211_set_power_save(struct sk_buff *skb, struct genl_info *info) |
9578 | { | |
4c476991 | 9579 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d | 9580 | struct wireless_dev *wdev; |
4c476991 | 9581 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
9582 | u8 ps_state; |
9583 | bool state; | |
9584 | int err; | |
9585 | ||
4c476991 JB |
9586 | if (!info->attrs[NL80211_ATTR_PS_STATE]) |
9587 | return -EINVAL; | |
ffb9eb3d KV |
9588 | |
9589 | ps_state = nla_get_u32(info->attrs[NL80211_ATTR_PS_STATE]); | |
9590 | ||
4c476991 JB |
9591 | if (ps_state != NL80211_PS_DISABLED && ps_state != NL80211_PS_ENABLED) |
9592 | return -EINVAL; | |
ffb9eb3d KV |
9593 | |
9594 | wdev = dev->ieee80211_ptr; | |
9595 | ||
4c476991 JB |
9596 | if (!rdev->ops->set_power_mgmt) |
9597 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
9598 | |
9599 | state = (ps_state == NL80211_PS_ENABLED) ? true : false; | |
9600 | ||
9601 | if (state == wdev->ps) | |
4c476991 | 9602 | return 0; |
ffb9eb3d | 9603 | |
e35e4d28 | 9604 | err = rdev_set_power_mgmt(rdev, dev, state, wdev->ps_timeout); |
4c476991 JB |
9605 | if (!err) |
9606 | wdev->ps = state; | |
ffb9eb3d KV |
9607 | return err; |
9608 | } | |
9609 | ||
9610 | static int nl80211_get_power_save(struct sk_buff *skb, struct genl_info *info) | |
9611 | { | |
4c476991 | 9612 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
ffb9eb3d KV |
9613 | enum nl80211_ps_state ps_state; |
9614 | struct wireless_dev *wdev; | |
4c476991 | 9615 | struct net_device *dev = info->user_ptr[1]; |
ffb9eb3d KV |
9616 | struct sk_buff *msg; |
9617 | void *hdr; | |
9618 | int err; | |
9619 | ||
ffb9eb3d KV |
9620 | wdev = dev->ieee80211_ptr; |
9621 | ||
4c476991 JB |
9622 | if (!rdev->ops->set_power_mgmt) |
9623 | return -EOPNOTSUPP; | |
ffb9eb3d KV |
9624 | |
9625 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
4c476991 JB |
9626 | if (!msg) |
9627 | return -ENOMEM; | |
ffb9eb3d | 9628 | |
15e47304 | 9629 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ffb9eb3d KV |
9630 | NL80211_CMD_GET_POWER_SAVE); |
9631 | if (!hdr) { | |
4c476991 | 9632 | err = -ENOBUFS; |
ffb9eb3d KV |
9633 | goto free_msg; |
9634 | } | |
9635 | ||
9636 | if (wdev->ps) | |
9637 | ps_state = NL80211_PS_ENABLED; | |
9638 | else | |
9639 | ps_state = NL80211_PS_DISABLED; | |
9640 | ||
9360ffd1 DM |
9641 | if (nla_put_u32(msg, NL80211_ATTR_PS_STATE, ps_state)) |
9642 | goto nla_put_failure; | |
ffb9eb3d KV |
9643 | |
9644 | genlmsg_end(msg, hdr); | |
4c476991 | 9645 | return genlmsg_reply(msg, info); |
ffb9eb3d | 9646 | |
4c476991 | 9647 | nla_put_failure: |
ffb9eb3d | 9648 | err = -ENOBUFS; |
4c476991 | 9649 | free_msg: |
ffb9eb3d | 9650 | nlmsg_free(msg); |
ffb9eb3d KV |
9651 | return err; |
9652 | } | |
9653 | ||
94e860f1 JB |
9654 | static const struct nla_policy |
9655 | nl80211_attr_cqm_policy[NL80211_ATTR_CQM_MAX + 1] = { | |
4a4b8169 | 9656 | [NL80211_ATTR_CQM_RSSI_THOLD] = { .type = NLA_BINARY }, |
d6dc1a38 JO |
9657 | [NL80211_ATTR_CQM_RSSI_HYST] = { .type = NLA_U32 }, |
9658 | [NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT] = { .type = NLA_U32 }, | |
84f10708 TP |
9659 | [NL80211_ATTR_CQM_TXE_RATE] = { .type = NLA_U32 }, |
9660 | [NL80211_ATTR_CQM_TXE_PKTS] = { .type = NLA_U32 }, | |
9661 | [NL80211_ATTR_CQM_TXE_INTVL] = { .type = NLA_U32 }, | |
bee427b8 | 9662 | [NL80211_ATTR_CQM_RSSI_LEVEL] = { .type = NLA_S32 }, |
d6dc1a38 JO |
9663 | }; |
9664 | ||
84f10708 | 9665 | static int nl80211_set_cqm_txe(struct genl_info *info, |
d9d8b019 | 9666 | u32 rate, u32 pkts, u32 intvl) |
84f10708 TP |
9667 | { |
9668 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
84f10708 | 9669 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 9670 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
84f10708 | 9671 | |
d9d8b019 | 9672 | if (rate > 100 || intvl > NL80211_CQM_TXE_MAX_INTVL) |
84f10708 TP |
9673 | return -EINVAL; |
9674 | ||
84f10708 TP |
9675 | if (!rdev->ops->set_cqm_txe_config) |
9676 | return -EOPNOTSUPP; | |
9677 | ||
9678 | if (wdev->iftype != NL80211_IFTYPE_STATION && | |
9679 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) | |
9680 | return -EOPNOTSUPP; | |
9681 | ||
e35e4d28 | 9682 | return rdev_set_cqm_txe_config(rdev, dev, rate, pkts, intvl); |
84f10708 TP |
9683 | } |
9684 | ||
4a4b8169 AZ |
9685 | static int cfg80211_cqm_rssi_update(struct cfg80211_registered_device *rdev, |
9686 | struct net_device *dev) | |
9687 | { | |
9688 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
9689 | s32 last, low, high; | |
9690 | u32 hyst; | |
9691 | int i, n; | |
9692 | int err; | |
9693 | ||
9694 | /* RSSI reporting disabled? */ | |
9695 | if (!wdev->cqm_config) | |
9696 | return rdev_set_cqm_rssi_range_config(rdev, dev, 0, 0); | |
9697 | ||
9698 | /* | |
9699 | * Obtain current RSSI value if possible, if not and no RSSI threshold | |
9700 | * event has been received yet, we should receive an event after a | |
9701 | * connection is established and enough beacons received to calculate | |
9702 | * the average. | |
9703 | */ | |
9704 | if (!wdev->cqm_config->last_rssi_event_value && wdev->current_bss && | |
9705 | rdev->ops->get_station) { | |
9706 | struct station_info sinfo; | |
9707 | u8 *mac_addr; | |
9708 | ||
9709 | mac_addr = wdev->current_bss->pub.bssid; | |
9710 | ||
9711 | err = rdev_get_station(rdev, dev, mac_addr, &sinfo); | |
9712 | if (err) | |
9713 | return err; | |
9714 | ||
9715 | if (sinfo.filled & BIT(NL80211_STA_INFO_BEACON_SIGNAL_AVG)) | |
9716 | wdev->cqm_config->last_rssi_event_value = | |
9717 | (s8) sinfo.rx_beacon_signal_avg; | |
9718 | } | |
9719 | ||
9720 | last = wdev->cqm_config->last_rssi_event_value; | |
9721 | hyst = wdev->cqm_config->rssi_hyst; | |
9722 | n = wdev->cqm_config->n_rssi_thresholds; | |
9723 | ||
9724 | for (i = 0; i < n; i++) | |
9725 | if (last < wdev->cqm_config->rssi_thresholds[i]) | |
9726 | break; | |
9727 | ||
9728 | low = i > 0 ? | |
9729 | (wdev->cqm_config->rssi_thresholds[i - 1] - hyst) : S32_MIN; | |
9730 | high = i < n ? | |
9731 | (wdev->cqm_config->rssi_thresholds[i] + hyst - 1) : S32_MAX; | |
9732 | ||
9733 | return rdev_set_cqm_rssi_range_config(rdev, dev, low, high); | |
9734 | } | |
9735 | ||
d6dc1a38 | 9736 | static int nl80211_set_cqm_rssi(struct genl_info *info, |
4a4b8169 AZ |
9737 | const s32 *thresholds, int n_thresholds, |
9738 | u32 hysteresis) | |
d6dc1a38 | 9739 | { |
4c476991 | 9740 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; |
4c476991 | 9741 | struct net_device *dev = info->user_ptr[1]; |
1da5fcc8 | 9742 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
4a4b8169 AZ |
9743 | int i, err; |
9744 | s32 prev = S32_MIN; | |
d6dc1a38 | 9745 | |
4a4b8169 AZ |
9746 | /* Check all values negative and sorted */ |
9747 | for (i = 0; i < n_thresholds; i++) { | |
9748 | if (thresholds[i] > 0 || thresholds[i] <= prev) | |
9749 | return -EINVAL; | |
d6dc1a38 | 9750 | |
4a4b8169 AZ |
9751 | prev = thresholds[i]; |
9752 | } | |
d6dc1a38 | 9753 | |
074ac8df | 9754 | if (wdev->iftype != NL80211_IFTYPE_STATION && |
4c476991 JB |
9755 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT) |
9756 | return -EOPNOTSUPP; | |
d6dc1a38 | 9757 | |
4a4b8169 AZ |
9758 | wdev_lock(wdev); |
9759 | cfg80211_cqm_config_free(wdev); | |
9760 | wdev_unlock(wdev); | |
9761 | ||
9762 | if (n_thresholds <= 1 && rdev->ops->set_cqm_rssi_config) { | |
9763 | if (n_thresholds == 0 || thresholds[0] == 0) /* Disabling */ | |
9764 | return rdev_set_cqm_rssi_config(rdev, dev, 0, 0); | |
9765 | ||
9766 | return rdev_set_cqm_rssi_config(rdev, dev, | |
9767 | thresholds[0], hysteresis); | |
9768 | } | |
9769 | ||
9770 | if (!wiphy_ext_feature_isset(&rdev->wiphy, | |
9771 | NL80211_EXT_FEATURE_CQM_RSSI_LIST)) | |
9772 | return -EOPNOTSUPP; | |
9773 | ||
9774 | if (n_thresholds == 1 && thresholds[0] == 0) /* Disabling */ | |
9775 | n_thresholds = 0; | |
9776 | ||
9777 | wdev_lock(wdev); | |
9778 | if (n_thresholds) { | |
9779 | struct cfg80211_cqm_config *cqm_config; | |
9780 | ||
9781 | cqm_config = kzalloc(sizeof(struct cfg80211_cqm_config) + | |
9782 | n_thresholds * sizeof(s32), GFP_KERNEL); | |
9783 | if (!cqm_config) { | |
9784 | err = -ENOMEM; | |
9785 | goto unlock; | |
9786 | } | |
9787 | ||
9788 | cqm_config->rssi_hyst = hysteresis; | |
9789 | cqm_config->n_rssi_thresholds = n_thresholds; | |
9790 | memcpy(cqm_config->rssi_thresholds, thresholds, | |
9791 | n_thresholds * sizeof(s32)); | |
9792 | ||
9793 | wdev->cqm_config = cqm_config; | |
9794 | } | |
9795 | ||
9796 | err = cfg80211_cqm_rssi_update(rdev, dev); | |
9797 | ||
9798 | unlock: | |
9799 | wdev_unlock(wdev); | |
9800 | ||
9801 | return err; | |
d6dc1a38 JO |
9802 | } |
9803 | ||
9804 | static int nl80211_set_cqm(struct sk_buff *skb, struct genl_info *info) | |
9805 | { | |
9806 | struct nlattr *attrs[NL80211_ATTR_CQM_MAX + 1]; | |
9807 | struct nlattr *cqm; | |
9808 | int err; | |
9809 | ||
9810 | cqm = info->attrs[NL80211_ATTR_CQM]; | |
1da5fcc8 JB |
9811 | if (!cqm) |
9812 | return -EINVAL; | |
d6dc1a38 JO |
9813 | |
9814 | err = nla_parse_nested(attrs, NL80211_ATTR_CQM_MAX, cqm, | |
fe52145f | 9815 | nl80211_attr_cqm_policy, info->extack); |
d6dc1a38 | 9816 | if (err) |
1da5fcc8 | 9817 | return err; |
d6dc1a38 JO |
9818 | |
9819 | if (attrs[NL80211_ATTR_CQM_RSSI_THOLD] && | |
9820 | attrs[NL80211_ATTR_CQM_RSSI_HYST]) { | |
4a4b8169 AZ |
9821 | const s32 *thresholds = |
9822 | nla_data(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); | |
9823 | int len = nla_len(attrs[NL80211_ATTR_CQM_RSSI_THOLD]); | |
1da5fcc8 | 9824 | u32 hysteresis = nla_get_u32(attrs[NL80211_ATTR_CQM_RSSI_HYST]); |
d6dc1a38 | 9825 | |
4a4b8169 AZ |
9826 | if (len % 4) |
9827 | return -EINVAL; | |
9828 | ||
9829 | return nl80211_set_cqm_rssi(info, thresholds, len / 4, | |
9830 | hysteresis); | |
1da5fcc8 JB |
9831 | } |
9832 | ||
9833 | if (attrs[NL80211_ATTR_CQM_TXE_RATE] && | |
9834 | attrs[NL80211_ATTR_CQM_TXE_PKTS] && | |
9835 | attrs[NL80211_ATTR_CQM_TXE_INTVL]) { | |
9836 | u32 rate = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_RATE]); | |
9837 | u32 pkts = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_PKTS]); | |
9838 | u32 intvl = nla_get_u32(attrs[NL80211_ATTR_CQM_TXE_INTVL]); | |
9839 | ||
9840 | return nl80211_set_cqm_txe(info, rate, pkts, intvl); | |
9841 | } | |
9842 | ||
9843 | return -EINVAL; | |
d6dc1a38 JO |
9844 | } |
9845 | ||
6e0bd6c3 RL |
9846 | static int nl80211_join_ocb(struct sk_buff *skb, struct genl_info *info) |
9847 | { | |
9848 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9849 | struct net_device *dev = info->user_ptr[1]; | |
9850 | struct ocb_setup setup = {}; | |
9851 | int err; | |
9852 | ||
9853 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); | |
9854 | if (err) | |
9855 | return err; | |
9856 | ||
9857 | return cfg80211_join_ocb(rdev, dev, &setup); | |
9858 | } | |
9859 | ||
9860 | static int nl80211_leave_ocb(struct sk_buff *skb, struct genl_info *info) | |
9861 | { | |
9862 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9863 | struct net_device *dev = info->user_ptr[1]; | |
9864 | ||
9865 | return cfg80211_leave_ocb(rdev, dev); | |
9866 | } | |
9867 | ||
29cbe68c JB |
9868 | static int nl80211_join_mesh(struct sk_buff *skb, struct genl_info *info) |
9869 | { | |
9870 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9871 | struct net_device *dev = info->user_ptr[1]; | |
9872 | struct mesh_config cfg; | |
c80d545d | 9873 | struct mesh_setup setup; |
29cbe68c JB |
9874 | int err; |
9875 | ||
9876 | /* start with default */ | |
9877 | memcpy(&cfg, &default_mesh_config, sizeof(cfg)); | |
c80d545d | 9878 | memcpy(&setup, &default_mesh_setup, sizeof(setup)); |
29cbe68c | 9879 | |
24bdd9f4 | 9880 | if (info->attrs[NL80211_ATTR_MESH_CONFIG]) { |
29cbe68c | 9881 | /* and parse parameters if given */ |
24bdd9f4 | 9882 | err = nl80211_parse_mesh_config(info, &cfg, NULL); |
29cbe68c JB |
9883 | if (err) |
9884 | return err; | |
9885 | } | |
9886 | ||
9887 | if (!info->attrs[NL80211_ATTR_MESH_ID] || | |
9888 | !nla_len(info->attrs[NL80211_ATTR_MESH_ID])) | |
9889 | return -EINVAL; | |
9890 | ||
c80d545d JC |
9891 | setup.mesh_id = nla_data(info->attrs[NL80211_ATTR_MESH_ID]); |
9892 | setup.mesh_id_len = nla_len(info->attrs[NL80211_ATTR_MESH_ID]); | |
9893 | ||
4bb62344 CYY |
9894 | if (info->attrs[NL80211_ATTR_MCAST_RATE] && |
9895 | !nl80211_parse_mcast_rate(rdev, setup.mcast_rate, | |
9896 | nla_get_u32(info->attrs[NL80211_ATTR_MCAST_RATE]))) | |
9897 | return -EINVAL; | |
9898 | ||
9bdbf04d MP |
9899 | if (info->attrs[NL80211_ATTR_BEACON_INTERVAL]) { |
9900 | setup.beacon_interval = | |
9901 | nla_get_u32(info->attrs[NL80211_ATTR_BEACON_INTERVAL]); | |
12d20fc9 | 9902 | |
0c317a02 PK |
9903 | err = cfg80211_validate_beacon_int(rdev, |
9904 | NL80211_IFTYPE_MESH_POINT, | |
9905 | setup.beacon_interval); | |
12d20fc9 PK |
9906 | if (err) |
9907 | return err; | |
9bdbf04d MP |
9908 | } |
9909 | ||
9910 | if (info->attrs[NL80211_ATTR_DTIM_PERIOD]) { | |
9911 | setup.dtim_period = | |
9912 | nla_get_u32(info->attrs[NL80211_ATTR_DTIM_PERIOD]); | |
9913 | if (setup.dtim_period < 1 || setup.dtim_period > 100) | |
9914 | return -EINVAL; | |
9915 | } | |
9916 | ||
c80d545d JC |
9917 | if (info->attrs[NL80211_ATTR_MESH_SETUP]) { |
9918 | /* parse additional setup parameters if given */ | |
9919 | err = nl80211_parse_mesh_setup(info, &setup); | |
9920 | if (err) | |
9921 | return err; | |
9922 | } | |
9923 | ||
d37bb18a TP |
9924 | if (setup.user_mpm) |
9925 | cfg.auto_open_plinks = false; | |
9926 | ||
cc1d2806 | 9927 | if (info->attrs[NL80211_ATTR_WIPHY_FREQ]) { |
683b6d3b JB |
9928 | err = nl80211_parse_chandef(rdev, info, &setup.chandef); |
9929 | if (err) | |
9930 | return err; | |
cc1d2806 JB |
9931 | } else { |
9932 | /* cfg80211_join_mesh() will sort it out */ | |
683b6d3b | 9933 | setup.chandef.chan = NULL; |
cc1d2806 JB |
9934 | } |
9935 | ||
ffb3cf30 AN |
9936 | if (info->attrs[NL80211_ATTR_BSS_BASIC_RATES]) { |
9937 | u8 *rates = nla_data(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
9938 | int n_rates = | |
9939 | nla_len(info->attrs[NL80211_ATTR_BSS_BASIC_RATES]); | |
9940 | struct ieee80211_supported_band *sband; | |
9941 | ||
9942 | if (!setup.chandef.chan) | |
9943 | return -EINVAL; | |
9944 | ||
9945 | sband = rdev->wiphy.bands[setup.chandef.chan->band]; | |
9946 | ||
9947 | err = ieee80211_get_ratemask(sband, rates, n_rates, | |
9948 | &setup.basic_rates); | |
9949 | if (err) | |
9950 | return err; | |
9951 | } | |
9952 | ||
8564e382 JB |
9953 | if (info->attrs[NL80211_ATTR_TX_RATES]) { |
9954 | err = nl80211_parse_tx_bitrate_mask(info, &setup.beacon_rate); | |
9955 | if (err) | |
9956 | return err; | |
9957 | ||
9958 | err = validate_beacon_tx_rate(rdev, setup.chandef.chan->band, | |
9959 | &setup.beacon_rate); | |
9960 | if (err) | |
9961 | return err; | |
9962 | } | |
9963 | ||
c80d545d | 9964 | return cfg80211_join_mesh(rdev, dev, &setup, &cfg); |
29cbe68c JB |
9965 | } |
9966 | ||
9967 | static int nl80211_leave_mesh(struct sk_buff *skb, struct genl_info *info) | |
9968 | { | |
9969 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
9970 | struct net_device *dev = info->user_ptr[1]; | |
9971 | ||
9972 | return cfg80211_leave_mesh(rdev, dev); | |
9973 | } | |
9974 | ||
dfb89c56 | 9975 | #ifdef CONFIG_PM |
bb92d199 AK |
9976 | static int nl80211_send_wowlan_patterns(struct sk_buff *msg, |
9977 | struct cfg80211_registered_device *rdev) | |
9978 | { | |
6abb9cb9 | 9979 | struct cfg80211_wowlan *wowlan = rdev->wiphy.wowlan_config; |
bb92d199 AK |
9980 | struct nlattr *nl_pats, *nl_pat; |
9981 | int i, pat_len; | |
9982 | ||
6abb9cb9 | 9983 | if (!wowlan->n_patterns) |
bb92d199 AK |
9984 | return 0; |
9985 | ||
9986 | nl_pats = nla_nest_start(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN); | |
9987 | if (!nl_pats) | |
9988 | return -ENOBUFS; | |
9989 | ||
6abb9cb9 | 9990 | for (i = 0; i < wowlan->n_patterns; i++) { |
bb92d199 AK |
9991 | nl_pat = nla_nest_start(msg, i + 1); |
9992 | if (!nl_pat) | |
9993 | return -ENOBUFS; | |
6abb9cb9 | 9994 | pat_len = wowlan->patterns[i].pattern_len; |
50ac6607 | 9995 | if (nla_put(msg, NL80211_PKTPAT_MASK, DIV_ROUND_UP(pat_len, 8), |
6abb9cb9 | 9996 | wowlan->patterns[i].mask) || |
50ac6607 AK |
9997 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, |
9998 | wowlan->patterns[i].pattern) || | |
9999 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
6abb9cb9 | 10000 | wowlan->patterns[i].pkt_offset)) |
bb92d199 AK |
10001 | return -ENOBUFS; |
10002 | nla_nest_end(msg, nl_pat); | |
10003 | } | |
10004 | nla_nest_end(msg, nl_pats); | |
10005 | ||
10006 | return 0; | |
10007 | } | |
10008 | ||
2a0e047e JB |
10009 | static int nl80211_send_wowlan_tcp(struct sk_buff *msg, |
10010 | struct cfg80211_wowlan_tcp *tcp) | |
10011 | { | |
10012 | struct nlattr *nl_tcp; | |
10013 | ||
10014 | if (!tcp) | |
10015 | return 0; | |
10016 | ||
10017 | nl_tcp = nla_nest_start(msg, NL80211_WOWLAN_TRIG_TCP_CONNECTION); | |
10018 | if (!nl_tcp) | |
10019 | return -ENOBUFS; | |
10020 | ||
930345ea JB |
10021 | if (nla_put_in_addr(msg, NL80211_WOWLAN_TCP_SRC_IPV4, tcp->src) || |
10022 | nla_put_in_addr(msg, NL80211_WOWLAN_TCP_DST_IPV4, tcp->dst) || | |
2a0e047e JB |
10023 | nla_put(msg, NL80211_WOWLAN_TCP_DST_MAC, ETH_ALEN, tcp->dst_mac) || |
10024 | nla_put_u16(msg, NL80211_WOWLAN_TCP_SRC_PORT, tcp->src_port) || | |
10025 | nla_put_u16(msg, NL80211_WOWLAN_TCP_DST_PORT, tcp->dst_port) || | |
10026 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD, | |
10027 | tcp->payload_len, tcp->payload) || | |
10028 | nla_put_u32(msg, NL80211_WOWLAN_TCP_DATA_INTERVAL, | |
10029 | tcp->data_interval) || | |
10030 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_PAYLOAD, | |
10031 | tcp->wake_len, tcp->wake_data) || | |
10032 | nla_put(msg, NL80211_WOWLAN_TCP_WAKE_MASK, | |
10033 | DIV_ROUND_UP(tcp->wake_len, 8), tcp->wake_mask)) | |
10034 | return -ENOBUFS; | |
10035 | ||
10036 | if (tcp->payload_seq.len && | |
10037 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ, | |
10038 | sizeof(tcp->payload_seq), &tcp->payload_seq)) | |
10039 | return -ENOBUFS; | |
10040 | ||
10041 | if (tcp->payload_tok.len && | |
10042 | nla_put(msg, NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN, | |
10043 | sizeof(tcp->payload_tok) + tcp->tokens_size, | |
10044 | &tcp->payload_tok)) | |
10045 | return -ENOBUFS; | |
10046 | ||
e248ad30 JB |
10047 | nla_nest_end(msg, nl_tcp); |
10048 | ||
2a0e047e JB |
10049 | return 0; |
10050 | } | |
10051 | ||
75453ccb LC |
10052 | static int nl80211_send_wowlan_nd(struct sk_buff *msg, |
10053 | struct cfg80211_sched_scan_request *req) | |
10054 | { | |
3b06d277 | 10055 | struct nlattr *nd, *freqs, *matches, *match, *scan_plans, *scan_plan; |
75453ccb LC |
10056 | int i; |
10057 | ||
10058 | if (!req) | |
10059 | return 0; | |
10060 | ||
10061 | nd = nla_nest_start(msg, NL80211_WOWLAN_TRIG_NET_DETECT); | |
10062 | if (!nd) | |
10063 | return -ENOBUFS; | |
10064 | ||
3b06d277 AS |
10065 | if (req->n_scan_plans == 1 && |
10066 | nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_INTERVAL, | |
10067 | req->scan_plans[0].interval * 1000)) | |
75453ccb LC |
10068 | return -ENOBUFS; |
10069 | ||
21fea567 LC |
10070 | if (nla_put_u32(msg, NL80211_ATTR_SCHED_SCAN_DELAY, req->delay)) |
10071 | return -ENOBUFS; | |
10072 | ||
bf95ecdb | 10073 | if (req->relative_rssi_set) { |
10074 | struct nl80211_bss_select_rssi_adjust rssi_adjust; | |
10075 | ||
10076 | if (nla_put_s8(msg, NL80211_ATTR_SCHED_SCAN_RELATIVE_RSSI, | |
10077 | req->relative_rssi)) | |
10078 | return -ENOBUFS; | |
10079 | ||
10080 | rssi_adjust.band = req->rssi_adjust.band; | |
10081 | rssi_adjust.delta = req->rssi_adjust.delta; | |
10082 | if (nla_put(msg, NL80211_ATTR_SCHED_SCAN_RSSI_ADJUST, | |
10083 | sizeof(rssi_adjust), &rssi_adjust)) | |
10084 | return -ENOBUFS; | |
10085 | } | |
10086 | ||
75453ccb LC |
10087 | freqs = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); |
10088 | if (!freqs) | |
10089 | return -ENOBUFS; | |
10090 | ||
53b18980 JB |
10091 | for (i = 0; i < req->n_channels; i++) { |
10092 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
10093 | return -ENOBUFS; | |
10094 | } | |
75453ccb LC |
10095 | |
10096 | nla_nest_end(msg, freqs); | |
10097 | ||
10098 | if (req->n_match_sets) { | |
10099 | matches = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_MATCH); | |
76e1fb4b JB |
10100 | if (!matches) |
10101 | return -ENOBUFS; | |
10102 | ||
75453ccb LC |
10103 | for (i = 0; i < req->n_match_sets; i++) { |
10104 | match = nla_nest_start(msg, i); | |
76e1fb4b JB |
10105 | if (!match) |
10106 | return -ENOBUFS; | |
10107 | ||
53b18980 JB |
10108 | if (nla_put(msg, NL80211_SCHED_SCAN_MATCH_ATTR_SSID, |
10109 | req->match_sets[i].ssid.ssid_len, | |
10110 | req->match_sets[i].ssid.ssid)) | |
10111 | return -ENOBUFS; | |
75453ccb LC |
10112 | nla_nest_end(msg, match); |
10113 | } | |
10114 | nla_nest_end(msg, matches); | |
10115 | } | |
10116 | ||
3b06d277 AS |
10117 | scan_plans = nla_nest_start(msg, NL80211_ATTR_SCHED_SCAN_PLANS); |
10118 | if (!scan_plans) | |
10119 | return -ENOBUFS; | |
10120 | ||
10121 | for (i = 0; i < req->n_scan_plans; i++) { | |
10122 | scan_plan = nla_nest_start(msg, i + 1); | |
76e1fb4b JB |
10123 | if (!scan_plan) |
10124 | return -ENOBUFS; | |
10125 | ||
3b06d277 AS |
10126 | if (!scan_plan || |
10127 | nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_INTERVAL, | |
10128 | req->scan_plans[i].interval) || | |
10129 | (req->scan_plans[i].iterations && | |
10130 | nla_put_u32(msg, NL80211_SCHED_SCAN_PLAN_ITERATIONS, | |
10131 | req->scan_plans[i].iterations))) | |
10132 | return -ENOBUFS; | |
10133 | nla_nest_end(msg, scan_plan); | |
10134 | } | |
10135 | nla_nest_end(msg, scan_plans); | |
10136 | ||
75453ccb LC |
10137 | nla_nest_end(msg, nd); |
10138 | ||
10139 | return 0; | |
10140 | } | |
10141 | ||
ff1b6e69 JB |
10142 | static int nl80211_get_wowlan(struct sk_buff *skb, struct genl_info *info) |
10143 | { | |
10144 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10145 | struct sk_buff *msg; | |
10146 | void *hdr; | |
2a0e047e | 10147 | u32 size = NLMSG_DEFAULT_SIZE; |
ff1b6e69 | 10148 | |
964dc9e2 | 10149 | if (!rdev->wiphy.wowlan) |
ff1b6e69 JB |
10150 | return -EOPNOTSUPP; |
10151 | ||
6abb9cb9 | 10152 | if (rdev->wiphy.wowlan_config && rdev->wiphy.wowlan_config->tcp) { |
2a0e047e | 10153 | /* adjust size to have room for all the data */ |
6abb9cb9 JB |
10154 | size += rdev->wiphy.wowlan_config->tcp->tokens_size + |
10155 | rdev->wiphy.wowlan_config->tcp->payload_len + | |
10156 | rdev->wiphy.wowlan_config->tcp->wake_len + | |
10157 | rdev->wiphy.wowlan_config->tcp->wake_len / 8; | |
2a0e047e JB |
10158 | } |
10159 | ||
10160 | msg = nlmsg_new(size, GFP_KERNEL); | |
ff1b6e69 JB |
10161 | if (!msg) |
10162 | return -ENOMEM; | |
10163 | ||
15e47304 | 10164 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
ff1b6e69 JB |
10165 | NL80211_CMD_GET_WOWLAN); |
10166 | if (!hdr) | |
10167 | goto nla_put_failure; | |
10168 | ||
6abb9cb9 | 10169 | if (rdev->wiphy.wowlan_config) { |
ff1b6e69 JB |
10170 | struct nlattr *nl_wowlan; |
10171 | ||
10172 | nl_wowlan = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
10173 | if (!nl_wowlan) | |
10174 | goto nla_put_failure; | |
10175 | ||
6abb9cb9 | 10176 | if ((rdev->wiphy.wowlan_config->any && |
9360ffd1 | 10177 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_ANY)) || |
6abb9cb9 | 10178 | (rdev->wiphy.wowlan_config->disconnect && |
9360ffd1 | 10179 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) || |
6abb9cb9 | 10180 | (rdev->wiphy.wowlan_config->magic_pkt && |
9360ffd1 | 10181 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) || |
6abb9cb9 | 10182 | (rdev->wiphy.wowlan_config->gtk_rekey_failure && |
9360ffd1 | 10183 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) || |
6abb9cb9 | 10184 | (rdev->wiphy.wowlan_config->eap_identity_req && |
9360ffd1 | 10185 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) || |
6abb9cb9 | 10186 | (rdev->wiphy.wowlan_config->four_way_handshake && |
9360ffd1 | 10187 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) || |
6abb9cb9 | 10188 | (rdev->wiphy.wowlan_config->rfkill_release && |
9360ffd1 DM |
10189 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE))) |
10190 | goto nla_put_failure; | |
2a0e047e | 10191 | |
bb92d199 AK |
10192 | if (nl80211_send_wowlan_patterns(msg, rdev)) |
10193 | goto nla_put_failure; | |
2a0e047e | 10194 | |
6abb9cb9 JB |
10195 | if (nl80211_send_wowlan_tcp(msg, |
10196 | rdev->wiphy.wowlan_config->tcp)) | |
2a0e047e | 10197 | goto nla_put_failure; |
75453ccb LC |
10198 | |
10199 | if (nl80211_send_wowlan_nd( | |
10200 | msg, | |
10201 | rdev->wiphy.wowlan_config->nd_config)) | |
10202 | goto nla_put_failure; | |
2a0e047e | 10203 | |
ff1b6e69 JB |
10204 | nla_nest_end(msg, nl_wowlan); |
10205 | } | |
10206 | ||
10207 | genlmsg_end(msg, hdr); | |
10208 | return genlmsg_reply(msg, info); | |
10209 | ||
10210 | nla_put_failure: | |
10211 | nlmsg_free(msg); | |
10212 | return -ENOBUFS; | |
10213 | } | |
10214 | ||
2a0e047e JB |
10215 | static int nl80211_parse_wowlan_tcp(struct cfg80211_registered_device *rdev, |
10216 | struct nlattr *attr, | |
10217 | struct cfg80211_wowlan *trig) | |
10218 | { | |
10219 | struct nlattr *tb[NUM_NL80211_WOWLAN_TCP]; | |
10220 | struct cfg80211_wowlan_tcp *cfg; | |
10221 | struct nl80211_wowlan_tcp_data_token *tok = NULL; | |
10222 | struct nl80211_wowlan_tcp_data_seq *seq = NULL; | |
10223 | u32 size; | |
10224 | u32 data_size, wake_size, tokens_size = 0, wake_mask_size; | |
10225 | int err, port; | |
10226 | ||
964dc9e2 | 10227 | if (!rdev->wiphy.wowlan->tcp) |
2a0e047e JB |
10228 | return -EINVAL; |
10229 | ||
bfe2c7b1 | 10230 | err = nla_parse_nested(tb, MAX_NL80211_WOWLAN_TCP, attr, |
fceb6435 | 10231 | nl80211_wowlan_tcp_policy, NULL); |
2a0e047e JB |
10232 | if (err) |
10233 | return err; | |
10234 | ||
10235 | if (!tb[NL80211_WOWLAN_TCP_SRC_IPV4] || | |
10236 | !tb[NL80211_WOWLAN_TCP_DST_IPV4] || | |
10237 | !tb[NL80211_WOWLAN_TCP_DST_MAC] || | |
10238 | !tb[NL80211_WOWLAN_TCP_DST_PORT] || | |
10239 | !tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD] || | |
10240 | !tb[NL80211_WOWLAN_TCP_DATA_INTERVAL] || | |
10241 | !tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD] || | |
10242 | !tb[NL80211_WOWLAN_TCP_WAKE_MASK]) | |
10243 | return -EINVAL; | |
10244 | ||
10245 | data_size = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]); | |
964dc9e2 | 10246 | if (data_size > rdev->wiphy.wowlan->tcp->data_payload_max) |
2a0e047e JB |
10247 | return -EINVAL; |
10248 | ||
10249 | if (nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) > | |
964dc9e2 | 10250 | rdev->wiphy.wowlan->tcp->data_interval_max || |
723d568a | 10251 | nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]) == 0) |
2a0e047e JB |
10252 | return -EINVAL; |
10253 | ||
10254 | wake_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]); | |
964dc9e2 | 10255 | if (wake_size > rdev->wiphy.wowlan->tcp->wake_payload_max) |
2a0e047e JB |
10256 | return -EINVAL; |
10257 | ||
10258 | wake_mask_size = nla_len(tb[NL80211_WOWLAN_TCP_WAKE_MASK]); | |
10259 | if (wake_mask_size != DIV_ROUND_UP(wake_size, 8)) | |
10260 | return -EINVAL; | |
10261 | ||
10262 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]) { | |
10263 | u32 tokln = nla_len(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
10264 | ||
10265 | tok = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_TOKEN]); | |
10266 | tokens_size = tokln - sizeof(*tok); | |
10267 | ||
10268 | if (!tok->len || tokens_size % tok->len) | |
10269 | return -EINVAL; | |
964dc9e2 | 10270 | if (!rdev->wiphy.wowlan->tcp->tok) |
2a0e047e | 10271 | return -EINVAL; |
964dc9e2 | 10272 | if (tok->len > rdev->wiphy.wowlan->tcp->tok->max_len) |
2a0e047e | 10273 | return -EINVAL; |
964dc9e2 | 10274 | if (tok->len < rdev->wiphy.wowlan->tcp->tok->min_len) |
2a0e047e | 10275 | return -EINVAL; |
964dc9e2 | 10276 | if (tokens_size > rdev->wiphy.wowlan->tcp->tok->bufsize) |
2a0e047e JB |
10277 | return -EINVAL; |
10278 | if (tok->offset + tok->len > data_size) | |
10279 | return -EINVAL; | |
10280 | } | |
10281 | ||
10282 | if (tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]) { | |
10283 | seq = nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD_SEQ]); | |
964dc9e2 | 10284 | if (!rdev->wiphy.wowlan->tcp->seq) |
2a0e047e JB |
10285 | return -EINVAL; |
10286 | if (seq->len == 0 || seq->len > 4) | |
10287 | return -EINVAL; | |
10288 | if (seq->len + seq->offset > data_size) | |
10289 | return -EINVAL; | |
10290 | } | |
10291 | ||
10292 | size = sizeof(*cfg); | |
10293 | size += data_size; | |
10294 | size += wake_size + wake_mask_size; | |
10295 | size += tokens_size; | |
10296 | ||
10297 | cfg = kzalloc(size, GFP_KERNEL); | |
10298 | if (!cfg) | |
10299 | return -ENOMEM; | |
67b61f6c JB |
10300 | cfg->src = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_SRC_IPV4]); |
10301 | cfg->dst = nla_get_in_addr(tb[NL80211_WOWLAN_TCP_DST_IPV4]); | |
2a0e047e JB |
10302 | memcpy(cfg->dst_mac, nla_data(tb[NL80211_WOWLAN_TCP_DST_MAC]), |
10303 | ETH_ALEN); | |
10304 | if (tb[NL80211_WOWLAN_TCP_SRC_PORT]) | |
10305 | port = nla_get_u16(tb[NL80211_WOWLAN_TCP_SRC_PORT]); | |
10306 | else | |
10307 | port = 0; | |
10308 | #ifdef CONFIG_INET | |
10309 | /* allocate a socket and port for it and use it */ | |
10310 | err = __sock_create(wiphy_net(&rdev->wiphy), PF_INET, SOCK_STREAM, | |
10311 | IPPROTO_TCP, &cfg->sock, 1); | |
10312 | if (err) { | |
10313 | kfree(cfg); | |
10314 | return err; | |
10315 | } | |
10316 | if (inet_csk_get_port(cfg->sock->sk, port)) { | |
10317 | sock_release(cfg->sock); | |
10318 | kfree(cfg); | |
10319 | return -EADDRINUSE; | |
10320 | } | |
10321 | cfg->src_port = inet_sk(cfg->sock->sk)->inet_num; | |
10322 | #else | |
10323 | if (!port) { | |
10324 | kfree(cfg); | |
10325 | return -EINVAL; | |
10326 | } | |
10327 | cfg->src_port = port; | |
10328 | #endif | |
10329 | ||
10330 | cfg->dst_port = nla_get_u16(tb[NL80211_WOWLAN_TCP_DST_PORT]); | |
10331 | cfg->payload_len = data_size; | |
10332 | cfg->payload = (u8 *)cfg + sizeof(*cfg) + tokens_size; | |
10333 | memcpy((void *)cfg->payload, | |
10334 | nla_data(tb[NL80211_WOWLAN_TCP_DATA_PAYLOAD]), | |
10335 | data_size); | |
10336 | if (seq) | |
10337 | cfg->payload_seq = *seq; | |
10338 | cfg->data_interval = nla_get_u32(tb[NL80211_WOWLAN_TCP_DATA_INTERVAL]); | |
10339 | cfg->wake_len = wake_size; | |
10340 | cfg->wake_data = (u8 *)cfg + sizeof(*cfg) + tokens_size + data_size; | |
10341 | memcpy((void *)cfg->wake_data, | |
10342 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_PAYLOAD]), | |
10343 | wake_size); | |
10344 | cfg->wake_mask = (u8 *)cfg + sizeof(*cfg) + tokens_size + | |
10345 | data_size + wake_size; | |
10346 | memcpy((void *)cfg->wake_mask, | |
10347 | nla_data(tb[NL80211_WOWLAN_TCP_WAKE_MASK]), | |
10348 | wake_mask_size); | |
10349 | if (tok) { | |
10350 | cfg->tokens_size = tokens_size; | |
10351 | memcpy(&cfg->payload_tok, tok, sizeof(*tok) + tokens_size); | |
10352 | } | |
10353 | ||
10354 | trig->tcp = cfg; | |
10355 | ||
10356 | return 0; | |
10357 | } | |
10358 | ||
8cd4d456 LC |
10359 | static int nl80211_parse_wowlan_nd(struct cfg80211_registered_device *rdev, |
10360 | const struct wiphy_wowlan_support *wowlan, | |
10361 | struct nlattr *attr, | |
10362 | struct cfg80211_wowlan *trig) | |
10363 | { | |
10364 | struct nlattr **tb; | |
10365 | int err; | |
10366 | ||
10367 | tb = kzalloc(NUM_NL80211_ATTR * sizeof(*tb), GFP_KERNEL); | |
10368 | if (!tb) | |
10369 | return -ENOMEM; | |
10370 | ||
10371 | if (!(wowlan->flags & WIPHY_WOWLAN_NET_DETECT)) { | |
10372 | err = -EOPNOTSUPP; | |
10373 | goto out; | |
10374 | } | |
10375 | ||
fceb6435 JB |
10376 | err = nla_parse_nested(tb, NL80211_ATTR_MAX, attr, nl80211_policy, |
10377 | NULL); | |
8cd4d456 LC |
10378 | if (err) |
10379 | goto out; | |
10380 | ||
aad1e812 AVS |
10381 | trig->nd_config = nl80211_parse_sched_scan(&rdev->wiphy, NULL, tb, |
10382 | wowlan->max_nd_match_sets); | |
8cd4d456 LC |
10383 | err = PTR_ERR_OR_ZERO(trig->nd_config); |
10384 | if (err) | |
10385 | trig->nd_config = NULL; | |
10386 | ||
10387 | out: | |
10388 | kfree(tb); | |
10389 | return err; | |
10390 | } | |
10391 | ||
ff1b6e69 JB |
10392 | static int nl80211_set_wowlan(struct sk_buff *skb, struct genl_info *info) |
10393 | { | |
10394 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10395 | struct nlattr *tb[NUM_NL80211_WOWLAN_TRIG]; | |
ff1b6e69 | 10396 | struct cfg80211_wowlan new_triggers = {}; |
ae33bd81 | 10397 | struct cfg80211_wowlan *ntrig; |
964dc9e2 | 10398 | const struct wiphy_wowlan_support *wowlan = rdev->wiphy.wowlan; |
ff1b6e69 | 10399 | int err, i; |
6abb9cb9 | 10400 | bool prev_enabled = rdev->wiphy.wowlan_config; |
98fc4386 | 10401 | bool regular = false; |
ff1b6e69 | 10402 | |
964dc9e2 | 10403 | if (!wowlan) |
ff1b6e69 JB |
10404 | return -EOPNOTSUPP; |
10405 | ||
ae33bd81 JB |
10406 | if (!info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS]) { |
10407 | cfg80211_rdev_free_wowlan(rdev); | |
6abb9cb9 | 10408 | rdev->wiphy.wowlan_config = NULL; |
ae33bd81 JB |
10409 | goto set_wakeup; |
10410 | } | |
ff1b6e69 | 10411 | |
bfe2c7b1 JB |
10412 | err = nla_parse_nested(tb, MAX_NL80211_WOWLAN_TRIG, |
10413 | info->attrs[NL80211_ATTR_WOWLAN_TRIGGERS], | |
fe52145f | 10414 | nl80211_wowlan_policy, info->extack); |
ff1b6e69 JB |
10415 | if (err) |
10416 | return err; | |
10417 | ||
10418 | if (tb[NL80211_WOWLAN_TRIG_ANY]) { | |
10419 | if (!(wowlan->flags & WIPHY_WOWLAN_ANY)) | |
10420 | return -EINVAL; | |
10421 | new_triggers.any = true; | |
10422 | } | |
10423 | ||
10424 | if (tb[NL80211_WOWLAN_TRIG_DISCONNECT]) { | |
10425 | if (!(wowlan->flags & WIPHY_WOWLAN_DISCONNECT)) | |
10426 | return -EINVAL; | |
10427 | new_triggers.disconnect = true; | |
98fc4386 | 10428 | regular = true; |
ff1b6e69 JB |
10429 | } |
10430 | ||
10431 | if (tb[NL80211_WOWLAN_TRIG_MAGIC_PKT]) { | |
10432 | if (!(wowlan->flags & WIPHY_WOWLAN_MAGIC_PKT)) | |
10433 | return -EINVAL; | |
10434 | new_triggers.magic_pkt = true; | |
98fc4386 | 10435 | regular = true; |
ff1b6e69 JB |
10436 | } |
10437 | ||
77dbbb13 JB |
10438 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_SUPPORTED]) |
10439 | return -EINVAL; | |
10440 | ||
10441 | if (tb[NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE]) { | |
10442 | if (!(wowlan->flags & WIPHY_WOWLAN_GTK_REKEY_FAILURE)) | |
10443 | return -EINVAL; | |
10444 | new_triggers.gtk_rekey_failure = true; | |
98fc4386 | 10445 | regular = true; |
77dbbb13 JB |
10446 | } |
10447 | ||
10448 | if (tb[NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST]) { | |
10449 | if (!(wowlan->flags & WIPHY_WOWLAN_EAP_IDENTITY_REQ)) | |
10450 | return -EINVAL; | |
10451 | new_triggers.eap_identity_req = true; | |
98fc4386 | 10452 | regular = true; |
77dbbb13 JB |
10453 | } |
10454 | ||
10455 | if (tb[NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE]) { | |
10456 | if (!(wowlan->flags & WIPHY_WOWLAN_4WAY_HANDSHAKE)) | |
10457 | return -EINVAL; | |
10458 | new_triggers.four_way_handshake = true; | |
98fc4386 | 10459 | regular = true; |
77dbbb13 JB |
10460 | } |
10461 | ||
10462 | if (tb[NL80211_WOWLAN_TRIG_RFKILL_RELEASE]) { | |
10463 | if (!(wowlan->flags & WIPHY_WOWLAN_RFKILL_RELEASE)) | |
10464 | return -EINVAL; | |
10465 | new_triggers.rfkill_release = true; | |
98fc4386 | 10466 | regular = true; |
77dbbb13 JB |
10467 | } |
10468 | ||
ff1b6e69 JB |
10469 | if (tb[NL80211_WOWLAN_TRIG_PKT_PATTERN]) { |
10470 | struct nlattr *pat; | |
10471 | int n_patterns = 0; | |
bb92d199 | 10472 | int rem, pat_len, mask_len, pkt_offset; |
50ac6607 | 10473 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; |
ff1b6e69 | 10474 | |
98fc4386 JB |
10475 | regular = true; |
10476 | ||
ff1b6e69 JB |
10477 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], |
10478 | rem) | |
10479 | n_patterns++; | |
10480 | if (n_patterns > wowlan->n_patterns) | |
10481 | return -EINVAL; | |
10482 | ||
10483 | new_triggers.patterns = kcalloc(n_patterns, | |
10484 | sizeof(new_triggers.patterns[0]), | |
10485 | GFP_KERNEL); | |
10486 | if (!new_triggers.patterns) | |
10487 | return -ENOMEM; | |
10488 | ||
10489 | new_triggers.n_patterns = n_patterns; | |
10490 | i = 0; | |
10491 | ||
10492 | nla_for_each_nested(pat, tb[NL80211_WOWLAN_TRIG_PKT_PATTERN], | |
10493 | rem) { | |
922bd80f JB |
10494 | u8 *mask_pat; |
10495 | ||
bfe2c7b1 | 10496 | nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat, |
fe52145f | 10497 | NULL, info->extack); |
ff1b6e69 | 10498 | err = -EINVAL; |
50ac6607 AK |
10499 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
10500 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
ff1b6e69 | 10501 | goto error; |
50ac6607 | 10502 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); |
ff1b6e69 | 10503 | mask_len = DIV_ROUND_UP(pat_len, 8); |
50ac6607 | 10504 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) |
ff1b6e69 JB |
10505 | goto error; |
10506 | if (pat_len > wowlan->pattern_max_len || | |
10507 | pat_len < wowlan->pattern_min_len) | |
10508 | goto error; | |
10509 | ||
50ac6607 | 10510 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) |
bb92d199 AK |
10511 | pkt_offset = 0; |
10512 | else | |
10513 | pkt_offset = nla_get_u32( | |
50ac6607 | 10514 | pat_tb[NL80211_PKTPAT_OFFSET]); |
bb92d199 AK |
10515 | if (pkt_offset > wowlan->max_pkt_offset) |
10516 | goto error; | |
10517 | new_triggers.patterns[i].pkt_offset = pkt_offset; | |
10518 | ||
922bd80f JB |
10519 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
10520 | if (!mask_pat) { | |
ff1b6e69 JB |
10521 | err = -ENOMEM; |
10522 | goto error; | |
10523 | } | |
922bd80f JB |
10524 | new_triggers.patterns[i].mask = mask_pat; |
10525 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
ff1b6e69 | 10526 | mask_len); |
922bd80f JB |
10527 | mask_pat += mask_len; |
10528 | new_triggers.patterns[i].pattern = mask_pat; | |
ff1b6e69 | 10529 | new_triggers.patterns[i].pattern_len = pat_len; |
922bd80f | 10530 | memcpy(mask_pat, |
50ac6607 | 10531 | nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
ff1b6e69 JB |
10532 | pat_len); |
10533 | i++; | |
10534 | } | |
10535 | } | |
10536 | ||
2a0e047e | 10537 | if (tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION]) { |
98fc4386 | 10538 | regular = true; |
2a0e047e JB |
10539 | err = nl80211_parse_wowlan_tcp( |
10540 | rdev, tb[NL80211_WOWLAN_TRIG_TCP_CONNECTION], | |
10541 | &new_triggers); | |
10542 | if (err) | |
10543 | goto error; | |
10544 | } | |
10545 | ||
8cd4d456 | 10546 | if (tb[NL80211_WOWLAN_TRIG_NET_DETECT]) { |
98fc4386 | 10547 | regular = true; |
8cd4d456 LC |
10548 | err = nl80211_parse_wowlan_nd( |
10549 | rdev, wowlan, tb[NL80211_WOWLAN_TRIG_NET_DETECT], | |
10550 | &new_triggers); | |
10551 | if (err) | |
10552 | goto error; | |
10553 | } | |
10554 | ||
98fc4386 JB |
10555 | /* The 'any' trigger means the device continues operating more or less |
10556 | * as in its normal operation mode and wakes up the host on most of the | |
10557 | * normal interrupts (like packet RX, ...) | |
10558 | * It therefore makes little sense to combine with the more constrained | |
10559 | * wakeup trigger modes. | |
10560 | */ | |
10561 | if (new_triggers.any && regular) { | |
10562 | err = -EINVAL; | |
10563 | goto error; | |
10564 | } | |
10565 | ||
ae33bd81 JB |
10566 | ntrig = kmemdup(&new_triggers, sizeof(new_triggers), GFP_KERNEL); |
10567 | if (!ntrig) { | |
10568 | err = -ENOMEM; | |
10569 | goto error; | |
ff1b6e69 | 10570 | } |
ae33bd81 | 10571 | cfg80211_rdev_free_wowlan(rdev); |
6abb9cb9 | 10572 | rdev->wiphy.wowlan_config = ntrig; |
ff1b6e69 | 10573 | |
ae33bd81 | 10574 | set_wakeup: |
6abb9cb9 JB |
10575 | if (rdev->ops->set_wakeup && |
10576 | prev_enabled != !!rdev->wiphy.wowlan_config) | |
10577 | rdev_set_wakeup(rdev, rdev->wiphy.wowlan_config); | |
6d52563f | 10578 | |
ff1b6e69 JB |
10579 | return 0; |
10580 | error: | |
10581 | for (i = 0; i < new_triggers.n_patterns; i++) | |
10582 | kfree(new_triggers.patterns[i].mask); | |
10583 | kfree(new_triggers.patterns); | |
2a0e047e JB |
10584 | if (new_triggers.tcp && new_triggers.tcp->sock) |
10585 | sock_release(new_triggers.tcp->sock); | |
10586 | kfree(new_triggers.tcp); | |
e5dbe070 | 10587 | kfree(new_triggers.nd_config); |
ff1b6e69 JB |
10588 | return err; |
10589 | } | |
dfb89c56 | 10590 | #endif |
ff1b6e69 | 10591 | |
be29b99a AK |
10592 | static int nl80211_send_coalesce_rules(struct sk_buff *msg, |
10593 | struct cfg80211_registered_device *rdev) | |
10594 | { | |
10595 | struct nlattr *nl_pats, *nl_pat, *nl_rule, *nl_rules; | |
10596 | int i, j, pat_len; | |
10597 | struct cfg80211_coalesce_rules *rule; | |
10598 | ||
10599 | if (!rdev->coalesce->n_rules) | |
10600 | return 0; | |
10601 | ||
10602 | nl_rules = nla_nest_start(msg, NL80211_ATTR_COALESCE_RULE); | |
10603 | if (!nl_rules) | |
10604 | return -ENOBUFS; | |
10605 | ||
10606 | for (i = 0; i < rdev->coalesce->n_rules; i++) { | |
10607 | nl_rule = nla_nest_start(msg, i + 1); | |
10608 | if (!nl_rule) | |
10609 | return -ENOBUFS; | |
10610 | ||
10611 | rule = &rdev->coalesce->rules[i]; | |
10612 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_DELAY, | |
10613 | rule->delay)) | |
10614 | return -ENOBUFS; | |
10615 | ||
10616 | if (nla_put_u32(msg, NL80211_ATTR_COALESCE_RULE_CONDITION, | |
10617 | rule->condition)) | |
10618 | return -ENOBUFS; | |
10619 | ||
10620 | nl_pats = nla_nest_start(msg, | |
10621 | NL80211_ATTR_COALESCE_RULE_PKT_PATTERN); | |
10622 | if (!nl_pats) | |
10623 | return -ENOBUFS; | |
10624 | ||
10625 | for (j = 0; j < rule->n_patterns; j++) { | |
10626 | nl_pat = nla_nest_start(msg, j + 1); | |
10627 | if (!nl_pat) | |
10628 | return -ENOBUFS; | |
10629 | pat_len = rule->patterns[j].pattern_len; | |
10630 | if (nla_put(msg, NL80211_PKTPAT_MASK, | |
10631 | DIV_ROUND_UP(pat_len, 8), | |
10632 | rule->patterns[j].mask) || | |
10633 | nla_put(msg, NL80211_PKTPAT_PATTERN, pat_len, | |
10634 | rule->patterns[j].pattern) || | |
10635 | nla_put_u32(msg, NL80211_PKTPAT_OFFSET, | |
10636 | rule->patterns[j].pkt_offset)) | |
10637 | return -ENOBUFS; | |
10638 | nla_nest_end(msg, nl_pat); | |
10639 | } | |
10640 | nla_nest_end(msg, nl_pats); | |
10641 | nla_nest_end(msg, nl_rule); | |
10642 | } | |
10643 | nla_nest_end(msg, nl_rules); | |
10644 | ||
10645 | return 0; | |
10646 | } | |
10647 | ||
10648 | static int nl80211_get_coalesce(struct sk_buff *skb, struct genl_info *info) | |
10649 | { | |
10650 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10651 | struct sk_buff *msg; | |
10652 | void *hdr; | |
10653 | ||
10654 | if (!rdev->wiphy.coalesce) | |
10655 | return -EOPNOTSUPP; | |
10656 | ||
10657 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10658 | if (!msg) | |
10659 | return -ENOMEM; | |
10660 | ||
10661 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
10662 | NL80211_CMD_GET_COALESCE); | |
10663 | if (!hdr) | |
10664 | goto nla_put_failure; | |
10665 | ||
10666 | if (rdev->coalesce && nl80211_send_coalesce_rules(msg, rdev)) | |
10667 | goto nla_put_failure; | |
10668 | ||
10669 | genlmsg_end(msg, hdr); | |
10670 | return genlmsg_reply(msg, info); | |
10671 | ||
10672 | nla_put_failure: | |
10673 | nlmsg_free(msg); | |
10674 | return -ENOBUFS; | |
10675 | } | |
10676 | ||
10677 | void cfg80211_rdev_free_coalesce(struct cfg80211_registered_device *rdev) | |
10678 | { | |
10679 | struct cfg80211_coalesce *coalesce = rdev->coalesce; | |
10680 | int i, j; | |
10681 | struct cfg80211_coalesce_rules *rule; | |
10682 | ||
10683 | if (!coalesce) | |
10684 | return; | |
10685 | ||
10686 | for (i = 0; i < coalesce->n_rules; i++) { | |
10687 | rule = &coalesce->rules[i]; | |
10688 | for (j = 0; j < rule->n_patterns; j++) | |
10689 | kfree(rule->patterns[j].mask); | |
10690 | kfree(rule->patterns); | |
10691 | } | |
10692 | kfree(coalesce->rules); | |
10693 | kfree(coalesce); | |
10694 | rdev->coalesce = NULL; | |
10695 | } | |
10696 | ||
10697 | static int nl80211_parse_coalesce_rule(struct cfg80211_registered_device *rdev, | |
10698 | struct nlattr *rule, | |
10699 | struct cfg80211_coalesce_rules *new_rule) | |
10700 | { | |
10701 | int err, i; | |
10702 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
10703 | struct nlattr *tb[NUM_NL80211_ATTR_COALESCE_RULE], *pat; | |
10704 | int rem, pat_len, mask_len, pkt_offset, n_patterns = 0; | |
10705 | struct nlattr *pat_tb[NUM_NL80211_PKTPAT]; | |
10706 | ||
bfe2c7b1 | 10707 | err = nla_parse_nested(tb, NL80211_ATTR_COALESCE_RULE_MAX, rule, |
fceb6435 | 10708 | nl80211_coalesce_policy, NULL); |
be29b99a AK |
10709 | if (err) |
10710 | return err; | |
10711 | ||
10712 | if (tb[NL80211_ATTR_COALESCE_RULE_DELAY]) | |
10713 | new_rule->delay = | |
10714 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_DELAY]); | |
10715 | if (new_rule->delay > coalesce->max_delay) | |
10716 | return -EINVAL; | |
10717 | ||
10718 | if (tb[NL80211_ATTR_COALESCE_RULE_CONDITION]) | |
10719 | new_rule->condition = | |
10720 | nla_get_u32(tb[NL80211_ATTR_COALESCE_RULE_CONDITION]); | |
10721 | if (new_rule->condition != NL80211_COALESCE_CONDITION_MATCH && | |
10722 | new_rule->condition != NL80211_COALESCE_CONDITION_NO_MATCH) | |
10723 | return -EINVAL; | |
10724 | ||
10725 | if (!tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN]) | |
10726 | return -EINVAL; | |
10727 | ||
10728 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
10729 | rem) | |
10730 | n_patterns++; | |
10731 | if (n_patterns > coalesce->n_patterns) | |
10732 | return -EINVAL; | |
10733 | ||
10734 | new_rule->patterns = kcalloc(n_patterns, sizeof(new_rule->patterns[0]), | |
10735 | GFP_KERNEL); | |
10736 | if (!new_rule->patterns) | |
10737 | return -ENOMEM; | |
10738 | ||
10739 | new_rule->n_patterns = n_patterns; | |
10740 | i = 0; | |
10741 | ||
10742 | nla_for_each_nested(pat, tb[NL80211_ATTR_COALESCE_RULE_PKT_PATTERN], | |
10743 | rem) { | |
922bd80f JB |
10744 | u8 *mask_pat; |
10745 | ||
fceb6435 | 10746 | nla_parse_nested(pat_tb, MAX_NL80211_PKTPAT, pat, NULL, NULL); |
be29b99a AK |
10747 | if (!pat_tb[NL80211_PKTPAT_MASK] || |
10748 | !pat_tb[NL80211_PKTPAT_PATTERN]) | |
10749 | return -EINVAL; | |
10750 | pat_len = nla_len(pat_tb[NL80211_PKTPAT_PATTERN]); | |
10751 | mask_len = DIV_ROUND_UP(pat_len, 8); | |
10752 | if (nla_len(pat_tb[NL80211_PKTPAT_MASK]) != mask_len) | |
10753 | return -EINVAL; | |
10754 | if (pat_len > coalesce->pattern_max_len || | |
10755 | pat_len < coalesce->pattern_min_len) | |
10756 | return -EINVAL; | |
10757 | ||
10758 | if (!pat_tb[NL80211_PKTPAT_OFFSET]) | |
10759 | pkt_offset = 0; | |
10760 | else | |
10761 | pkt_offset = nla_get_u32(pat_tb[NL80211_PKTPAT_OFFSET]); | |
10762 | if (pkt_offset > coalesce->max_pkt_offset) | |
10763 | return -EINVAL; | |
10764 | new_rule->patterns[i].pkt_offset = pkt_offset; | |
10765 | ||
922bd80f JB |
10766 | mask_pat = kmalloc(mask_len + pat_len, GFP_KERNEL); |
10767 | if (!mask_pat) | |
be29b99a | 10768 | return -ENOMEM; |
922bd80f JB |
10769 | |
10770 | new_rule->patterns[i].mask = mask_pat; | |
10771 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_MASK]), | |
10772 | mask_len); | |
10773 | ||
10774 | mask_pat += mask_len; | |
10775 | new_rule->patterns[i].pattern = mask_pat; | |
be29b99a | 10776 | new_rule->patterns[i].pattern_len = pat_len; |
922bd80f JB |
10777 | memcpy(mask_pat, nla_data(pat_tb[NL80211_PKTPAT_PATTERN]), |
10778 | pat_len); | |
be29b99a AK |
10779 | i++; |
10780 | } | |
10781 | ||
10782 | return 0; | |
10783 | } | |
10784 | ||
10785 | static int nl80211_set_coalesce(struct sk_buff *skb, struct genl_info *info) | |
10786 | { | |
10787 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10788 | const struct wiphy_coalesce_support *coalesce = rdev->wiphy.coalesce; | |
10789 | struct cfg80211_coalesce new_coalesce = {}; | |
10790 | struct cfg80211_coalesce *n_coalesce; | |
10791 | int err, rem_rule, n_rules = 0, i, j; | |
10792 | struct nlattr *rule; | |
10793 | struct cfg80211_coalesce_rules *tmp_rule; | |
10794 | ||
10795 | if (!rdev->wiphy.coalesce || !rdev->ops->set_coalesce) | |
10796 | return -EOPNOTSUPP; | |
10797 | ||
10798 | if (!info->attrs[NL80211_ATTR_COALESCE_RULE]) { | |
10799 | cfg80211_rdev_free_coalesce(rdev); | |
a1056b1b | 10800 | rdev_set_coalesce(rdev, NULL); |
be29b99a AK |
10801 | return 0; |
10802 | } | |
10803 | ||
10804 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
10805 | rem_rule) | |
10806 | n_rules++; | |
10807 | if (n_rules > coalesce->n_rules) | |
10808 | return -EINVAL; | |
10809 | ||
10810 | new_coalesce.rules = kcalloc(n_rules, sizeof(new_coalesce.rules[0]), | |
10811 | GFP_KERNEL); | |
10812 | if (!new_coalesce.rules) | |
10813 | return -ENOMEM; | |
10814 | ||
10815 | new_coalesce.n_rules = n_rules; | |
10816 | i = 0; | |
10817 | ||
10818 | nla_for_each_nested(rule, info->attrs[NL80211_ATTR_COALESCE_RULE], | |
10819 | rem_rule) { | |
10820 | err = nl80211_parse_coalesce_rule(rdev, rule, | |
10821 | &new_coalesce.rules[i]); | |
10822 | if (err) | |
10823 | goto error; | |
10824 | ||
10825 | i++; | |
10826 | } | |
10827 | ||
a1056b1b | 10828 | err = rdev_set_coalesce(rdev, &new_coalesce); |
be29b99a AK |
10829 | if (err) |
10830 | goto error; | |
10831 | ||
10832 | n_coalesce = kmemdup(&new_coalesce, sizeof(new_coalesce), GFP_KERNEL); | |
10833 | if (!n_coalesce) { | |
10834 | err = -ENOMEM; | |
10835 | goto error; | |
10836 | } | |
10837 | cfg80211_rdev_free_coalesce(rdev); | |
10838 | rdev->coalesce = n_coalesce; | |
10839 | ||
10840 | return 0; | |
10841 | error: | |
10842 | for (i = 0; i < new_coalesce.n_rules; i++) { | |
10843 | tmp_rule = &new_coalesce.rules[i]; | |
10844 | for (j = 0; j < tmp_rule->n_patterns; j++) | |
10845 | kfree(tmp_rule->patterns[j].mask); | |
10846 | kfree(tmp_rule->patterns); | |
10847 | } | |
10848 | kfree(new_coalesce.rules); | |
10849 | ||
10850 | return err; | |
10851 | } | |
10852 | ||
e5497d76 JB |
10853 | static int nl80211_set_rekey_data(struct sk_buff *skb, struct genl_info *info) |
10854 | { | |
10855 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10856 | struct net_device *dev = info->user_ptr[1]; | |
10857 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10858 | struct nlattr *tb[NUM_NL80211_REKEY_DATA]; | |
10859 | struct cfg80211_gtk_rekey_data rekey_data; | |
10860 | int err; | |
10861 | ||
10862 | if (!info->attrs[NL80211_ATTR_REKEY_DATA]) | |
10863 | return -EINVAL; | |
10864 | ||
bfe2c7b1 JB |
10865 | err = nla_parse_nested(tb, MAX_NL80211_REKEY_DATA, |
10866 | info->attrs[NL80211_ATTR_REKEY_DATA], | |
fe52145f | 10867 | nl80211_rekey_policy, info->extack); |
e5497d76 JB |
10868 | if (err) |
10869 | return err; | |
10870 | ||
10871 | if (nla_len(tb[NL80211_REKEY_DATA_REPLAY_CTR]) != NL80211_REPLAY_CTR_LEN) | |
10872 | return -ERANGE; | |
10873 | if (nla_len(tb[NL80211_REKEY_DATA_KEK]) != NL80211_KEK_LEN) | |
10874 | return -ERANGE; | |
10875 | if (nla_len(tb[NL80211_REKEY_DATA_KCK]) != NL80211_KCK_LEN) | |
10876 | return -ERANGE; | |
10877 | ||
78f686ca JB |
10878 | rekey_data.kek = nla_data(tb[NL80211_REKEY_DATA_KEK]); |
10879 | rekey_data.kck = nla_data(tb[NL80211_REKEY_DATA_KCK]); | |
10880 | rekey_data.replay_ctr = nla_data(tb[NL80211_REKEY_DATA_REPLAY_CTR]); | |
e5497d76 JB |
10881 | |
10882 | wdev_lock(wdev); | |
10883 | if (!wdev->current_bss) { | |
10884 | err = -ENOTCONN; | |
10885 | goto out; | |
10886 | } | |
10887 | ||
10888 | if (!rdev->ops->set_rekey_data) { | |
10889 | err = -EOPNOTSUPP; | |
10890 | goto out; | |
10891 | } | |
10892 | ||
e35e4d28 | 10893 | err = rdev_set_rekey_data(rdev, dev, &rekey_data); |
e5497d76 JB |
10894 | out: |
10895 | wdev_unlock(wdev); | |
10896 | return err; | |
10897 | } | |
10898 | ||
28946da7 JB |
10899 | static int nl80211_register_unexpected_frame(struct sk_buff *skb, |
10900 | struct genl_info *info) | |
10901 | { | |
10902 | struct net_device *dev = info->user_ptr[1]; | |
10903 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10904 | ||
10905 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
10906 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
10907 | return -EINVAL; | |
10908 | ||
15e47304 | 10909 | if (wdev->ap_unexpected_nlportid) |
28946da7 JB |
10910 | return -EBUSY; |
10911 | ||
15e47304 | 10912 | wdev->ap_unexpected_nlportid = info->snd_portid; |
28946da7 JB |
10913 | return 0; |
10914 | } | |
10915 | ||
7f6cf311 JB |
10916 | static int nl80211_probe_client(struct sk_buff *skb, |
10917 | struct genl_info *info) | |
10918 | { | |
10919 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
10920 | struct net_device *dev = info->user_ptr[1]; | |
10921 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
10922 | struct sk_buff *msg; | |
10923 | void *hdr; | |
10924 | const u8 *addr; | |
10925 | u64 cookie; | |
10926 | int err; | |
10927 | ||
10928 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
10929 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
10930 | return -EOPNOTSUPP; | |
10931 | ||
10932 | if (!info->attrs[NL80211_ATTR_MAC]) | |
10933 | return -EINVAL; | |
10934 | ||
10935 | if (!rdev->ops->probe_client) | |
10936 | return -EOPNOTSUPP; | |
10937 | ||
10938 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
10939 | if (!msg) | |
10940 | return -ENOMEM; | |
10941 | ||
15e47304 | 10942 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, |
7f6cf311 | 10943 | NL80211_CMD_PROBE_CLIENT); |
cb35fba3 DC |
10944 | if (!hdr) { |
10945 | err = -ENOBUFS; | |
7f6cf311 JB |
10946 | goto free_msg; |
10947 | } | |
10948 | ||
10949 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
10950 | ||
e35e4d28 | 10951 | err = rdev_probe_client(rdev, dev, addr, &cookie); |
7f6cf311 JB |
10952 | if (err) |
10953 | goto free_msg; | |
10954 | ||
2dad624e ND |
10955 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
10956 | NL80211_ATTR_PAD)) | |
9360ffd1 | 10957 | goto nla_put_failure; |
7f6cf311 JB |
10958 | |
10959 | genlmsg_end(msg, hdr); | |
10960 | ||
10961 | return genlmsg_reply(msg, info); | |
10962 | ||
10963 | nla_put_failure: | |
10964 | err = -ENOBUFS; | |
10965 | free_msg: | |
10966 | nlmsg_free(msg); | |
10967 | return err; | |
10968 | } | |
10969 | ||
5e760230 JB |
10970 | static int nl80211_register_beacons(struct sk_buff *skb, struct genl_info *info) |
10971 | { | |
10972 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
37c73b5f BG |
10973 | struct cfg80211_beacon_registration *reg, *nreg; |
10974 | int rv; | |
5e760230 JB |
10975 | |
10976 | if (!(rdev->wiphy.flags & WIPHY_FLAG_REPORTS_OBSS)) | |
10977 | return -EOPNOTSUPP; | |
10978 | ||
37c73b5f BG |
10979 | nreg = kzalloc(sizeof(*nreg), GFP_KERNEL); |
10980 | if (!nreg) | |
10981 | return -ENOMEM; | |
10982 | ||
10983 | /* First, check if already registered. */ | |
10984 | spin_lock_bh(&rdev->beacon_registrations_lock); | |
10985 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
10986 | if (reg->nlportid == info->snd_portid) { | |
10987 | rv = -EALREADY; | |
10988 | goto out_err; | |
10989 | } | |
10990 | } | |
10991 | /* Add it to the list */ | |
10992 | nreg->nlportid = info->snd_portid; | |
10993 | list_add(&nreg->list, &rdev->beacon_registrations); | |
5e760230 | 10994 | |
37c73b5f | 10995 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
5e760230 JB |
10996 | |
10997 | return 0; | |
37c73b5f BG |
10998 | out_err: |
10999 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
11000 | kfree(nreg); | |
11001 | return rv; | |
5e760230 JB |
11002 | } |
11003 | ||
98104fde JB |
11004 | static int nl80211_start_p2p_device(struct sk_buff *skb, struct genl_info *info) |
11005 | { | |
11006 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11007 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11008 | int err; | |
11009 | ||
11010 | if (!rdev->ops->start_p2p_device) | |
11011 | return -EOPNOTSUPP; | |
11012 | ||
11013 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
11014 | return -EOPNOTSUPP; | |
11015 | ||
73c7da3d | 11016 | if (wdev_running(wdev)) |
98104fde JB |
11017 | return 0; |
11018 | ||
b6a55015 LC |
11019 | if (rfkill_blocked(rdev->rfkill)) |
11020 | return -ERFKILL; | |
98104fde | 11021 | |
eeb126e9 | 11022 | err = rdev_start_p2p_device(rdev, wdev); |
98104fde JB |
11023 | if (err) |
11024 | return err; | |
11025 | ||
73c7da3d | 11026 | wdev->is_running = true; |
98104fde | 11027 | rdev->opencount++; |
98104fde JB |
11028 | |
11029 | return 0; | |
11030 | } | |
11031 | ||
11032 | static int nl80211_stop_p2p_device(struct sk_buff *skb, struct genl_info *info) | |
11033 | { | |
11034 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11035 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11036 | ||
11037 | if (wdev->iftype != NL80211_IFTYPE_P2P_DEVICE) | |
11038 | return -EOPNOTSUPP; | |
11039 | ||
11040 | if (!rdev->ops->stop_p2p_device) | |
11041 | return -EOPNOTSUPP; | |
11042 | ||
f9f47529 | 11043 | cfg80211_stop_p2p_device(rdev, wdev); |
98104fde JB |
11044 | |
11045 | return 0; | |
11046 | } | |
11047 | ||
cb3b7d87 AB |
11048 | static int nl80211_start_nan(struct sk_buff *skb, struct genl_info *info) |
11049 | { | |
11050 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11051 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11052 | struct cfg80211_nan_conf conf = {}; | |
11053 | int err; | |
11054 | ||
11055 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
11056 | return -EOPNOTSUPP; | |
11057 | ||
eeb04a96 | 11058 | if (wdev_running(wdev)) |
cb3b7d87 AB |
11059 | return -EEXIST; |
11060 | ||
11061 | if (rfkill_blocked(rdev->rfkill)) | |
11062 | return -ERFKILL; | |
11063 | ||
11064 | if (!info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) | |
11065 | return -EINVAL; | |
11066 | ||
cb3b7d87 AB |
11067 | conf.master_pref = |
11068 | nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]); | |
11069 | if (!conf.master_pref) | |
11070 | return -EINVAL; | |
11071 | ||
8585989d LC |
11072 | if (info->attrs[NL80211_ATTR_BANDS]) { |
11073 | u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]); | |
11074 | ||
11075 | if (bands & ~(u32)wdev->wiphy->nan_supported_bands) | |
11076 | return -EOPNOTSUPP; | |
11077 | ||
11078 | if (bands && !(bands & BIT(NL80211_BAND_2GHZ))) | |
11079 | return -EINVAL; | |
11080 | ||
11081 | conf.bands = bands; | |
11082 | } | |
cb3b7d87 AB |
11083 | |
11084 | err = rdev_start_nan(rdev, wdev, &conf); | |
11085 | if (err) | |
11086 | return err; | |
11087 | ||
73c7da3d | 11088 | wdev->is_running = true; |
cb3b7d87 AB |
11089 | rdev->opencount++; |
11090 | ||
11091 | return 0; | |
11092 | } | |
11093 | ||
11094 | static int nl80211_stop_nan(struct sk_buff *skb, struct genl_info *info) | |
11095 | { | |
11096 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11097 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11098 | ||
11099 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
11100 | return -EOPNOTSUPP; | |
11101 | ||
11102 | cfg80211_stop_nan(rdev, wdev); | |
11103 | ||
11104 | return 0; | |
11105 | } | |
11106 | ||
a442b761 AB |
11107 | static int validate_nan_filter(struct nlattr *filter_attr) |
11108 | { | |
11109 | struct nlattr *attr; | |
11110 | int len = 0, n_entries = 0, rem; | |
11111 | ||
11112 | nla_for_each_nested(attr, filter_attr, rem) { | |
11113 | len += nla_len(attr); | |
11114 | n_entries++; | |
11115 | } | |
11116 | ||
11117 | if (len >= U8_MAX) | |
11118 | return -EINVAL; | |
11119 | ||
11120 | return n_entries; | |
11121 | } | |
11122 | ||
11123 | static int handle_nan_filter(struct nlattr *attr_filter, | |
11124 | struct cfg80211_nan_func *func, | |
11125 | bool tx) | |
11126 | { | |
11127 | struct nlattr *attr; | |
11128 | int n_entries, rem, i; | |
11129 | struct cfg80211_nan_func_filter *filter; | |
11130 | ||
11131 | n_entries = validate_nan_filter(attr_filter); | |
11132 | if (n_entries < 0) | |
11133 | return n_entries; | |
11134 | ||
11135 | BUILD_BUG_ON(sizeof(*func->rx_filters) != sizeof(*func->tx_filters)); | |
11136 | ||
11137 | filter = kcalloc(n_entries, sizeof(*func->rx_filters), GFP_KERNEL); | |
11138 | if (!filter) | |
11139 | return -ENOMEM; | |
11140 | ||
11141 | i = 0; | |
11142 | nla_for_each_nested(attr, attr_filter, rem) { | |
b15ca182 | 11143 | filter[i].filter = nla_memdup(attr, GFP_KERNEL); |
a442b761 AB |
11144 | filter[i].len = nla_len(attr); |
11145 | i++; | |
11146 | } | |
11147 | if (tx) { | |
11148 | func->num_tx_filters = n_entries; | |
11149 | func->tx_filters = filter; | |
11150 | } else { | |
11151 | func->num_rx_filters = n_entries; | |
11152 | func->rx_filters = filter; | |
11153 | } | |
11154 | ||
11155 | return 0; | |
11156 | } | |
11157 | ||
11158 | static int nl80211_nan_add_func(struct sk_buff *skb, | |
11159 | struct genl_info *info) | |
11160 | { | |
11161 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11162 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11163 | struct nlattr *tb[NUM_NL80211_NAN_FUNC_ATTR], *func_attr; | |
11164 | struct cfg80211_nan_func *func; | |
11165 | struct sk_buff *msg = NULL; | |
11166 | void *hdr = NULL; | |
11167 | int err = 0; | |
11168 | ||
11169 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
11170 | return -EOPNOTSUPP; | |
11171 | ||
73c7da3d | 11172 | if (!wdev_running(wdev)) |
a442b761 AB |
11173 | return -ENOTCONN; |
11174 | ||
11175 | if (!info->attrs[NL80211_ATTR_NAN_FUNC]) | |
11176 | return -EINVAL; | |
11177 | ||
11178 | if (wdev->owner_nlportid && | |
11179 | wdev->owner_nlportid != info->snd_portid) | |
11180 | return -ENOTCONN; | |
11181 | ||
bfe2c7b1 JB |
11182 | err = nla_parse_nested(tb, NL80211_NAN_FUNC_ATTR_MAX, |
11183 | info->attrs[NL80211_ATTR_NAN_FUNC], | |
fe52145f | 11184 | nl80211_nan_func_policy, info->extack); |
a442b761 AB |
11185 | if (err) |
11186 | return err; | |
11187 | ||
11188 | func = kzalloc(sizeof(*func), GFP_KERNEL); | |
11189 | if (!func) | |
11190 | return -ENOMEM; | |
11191 | ||
11192 | func->cookie = wdev->wiphy->cookie_counter++; | |
11193 | ||
11194 | if (!tb[NL80211_NAN_FUNC_TYPE] || | |
11195 | nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]) > NL80211_NAN_FUNC_MAX_TYPE) { | |
11196 | err = -EINVAL; | |
11197 | goto out; | |
11198 | } | |
11199 | ||
11200 | ||
11201 | func->type = nla_get_u8(tb[NL80211_NAN_FUNC_TYPE]); | |
11202 | ||
11203 | if (!tb[NL80211_NAN_FUNC_SERVICE_ID]) { | |
11204 | err = -EINVAL; | |
11205 | goto out; | |
11206 | } | |
11207 | ||
11208 | memcpy(func->service_id, nla_data(tb[NL80211_NAN_FUNC_SERVICE_ID]), | |
11209 | sizeof(func->service_id)); | |
11210 | ||
11211 | func->close_range = | |
11212 | nla_get_flag(tb[NL80211_NAN_FUNC_CLOSE_RANGE]); | |
11213 | ||
11214 | if (tb[NL80211_NAN_FUNC_SERVICE_INFO]) { | |
11215 | func->serv_spec_info_len = | |
11216 | nla_len(tb[NL80211_NAN_FUNC_SERVICE_INFO]); | |
11217 | func->serv_spec_info = | |
11218 | kmemdup(nla_data(tb[NL80211_NAN_FUNC_SERVICE_INFO]), | |
11219 | func->serv_spec_info_len, | |
11220 | GFP_KERNEL); | |
11221 | if (!func->serv_spec_info) { | |
11222 | err = -ENOMEM; | |
11223 | goto out; | |
11224 | } | |
11225 | } | |
11226 | ||
11227 | if (tb[NL80211_NAN_FUNC_TTL]) | |
11228 | func->ttl = nla_get_u32(tb[NL80211_NAN_FUNC_TTL]); | |
11229 | ||
11230 | switch (func->type) { | |
11231 | case NL80211_NAN_FUNC_PUBLISH: | |
11232 | if (!tb[NL80211_NAN_FUNC_PUBLISH_TYPE]) { | |
11233 | err = -EINVAL; | |
11234 | goto out; | |
11235 | } | |
11236 | ||
11237 | func->publish_type = | |
11238 | nla_get_u8(tb[NL80211_NAN_FUNC_PUBLISH_TYPE]); | |
11239 | func->publish_bcast = | |
11240 | nla_get_flag(tb[NL80211_NAN_FUNC_PUBLISH_BCAST]); | |
11241 | ||
11242 | if ((!(func->publish_type & NL80211_NAN_SOLICITED_PUBLISH)) && | |
11243 | func->publish_bcast) { | |
11244 | err = -EINVAL; | |
11245 | goto out; | |
11246 | } | |
11247 | break; | |
11248 | case NL80211_NAN_FUNC_SUBSCRIBE: | |
11249 | func->subscribe_active = | |
11250 | nla_get_flag(tb[NL80211_NAN_FUNC_SUBSCRIBE_ACTIVE]); | |
11251 | break; | |
11252 | case NL80211_NAN_FUNC_FOLLOW_UP: | |
11253 | if (!tb[NL80211_NAN_FUNC_FOLLOW_UP_ID] || | |
11254 | !tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]) { | |
11255 | err = -EINVAL; | |
11256 | goto out; | |
11257 | } | |
11258 | ||
11259 | func->followup_id = | |
11260 | nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_ID]); | |
11261 | func->followup_reqid = | |
11262 | nla_get_u8(tb[NL80211_NAN_FUNC_FOLLOW_UP_REQ_ID]); | |
11263 | memcpy(func->followup_dest.addr, | |
11264 | nla_data(tb[NL80211_NAN_FUNC_FOLLOW_UP_DEST]), | |
11265 | sizeof(func->followup_dest.addr)); | |
11266 | if (func->ttl) { | |
11267 | err = -EINVAL; | |
11268 | goto out; | |
11269 | } | |
11270 | break; | |
11271 | default: | |
11272 | err = -EINVAL; | |
11273 | goto out; | |
11274 | } | |
11275 | ||
11276 | if (tb[NL80211_NAN_FUNC_SRF]) { | |
11277 | struct nlattr *srf_tb[NUM_NL80211_NAN_SRF_ATTR]; | |
11278 | ||
bfe2c7b1 JB |
11279 | err = nla_parse_nested(srf_tb, NL80211_NAN_SRF_ATTR_MAX, |
11280 | tb[NL80211_NAN_FUNC_SRF], | |
fe52145f | 11281 | nl80211_nan_srf_policy, info->extack); |
a442b761 AB |
11282 | if (err) |
11283 | goto out; | |
11284 | ||
11285 | func->srf_include = | |
11286 | nla_get_flag(srf_tb[NL80211_NAN_SRF_INCLUDE]); | |
11287 | ||
11288 | if (srf_tb[NL80211_NAN_SRF_BF]) { | |
11289 | if (srf_tb[NL80211_NAN_SRF_MAC_ADDRS] || | |
11290 | !srf_tb[NL80211_NAN_SRF_BF_IDX]) { | |
11291 | err = -EINVAL; | |
11292 | goto out; | |
11293 | } | |
11294 | ||
11295 | func->srf_bf_len = | |
11296 | nla_len(srf_tb[NL80211_NAN_SRF_BF]); | |
11297 | func->srf_bf = | |
11298 | kmemdup(nla_data(srf_tb[NL80211_NAN_SRF_BF]), | |
11299 | func->srf_bf_len, GFP_KERNEL); | |
11300 | if (!func->srf_bf) { | |
11301 | err = -ENOMEM; | |
11302 | goto out; | |
11303 | } | |
11304 | ||
11305 | func->srf_bf_idx = | |
11306 | nla_get_u8(srf_tb[NL80211_NAN_SRF_BF_IDX]); | |
11307 | } else { | |
11308 | struct nlattr *attr, *mac_attr = | |
11309 | srf_tb[NL80211_NAN_SRF_MAC_ADDRS]; | |
11310 | int n_entries, rem, i = 0; | |
11311 | ||
11312 | if (!mac_attr) { | |
11313 | err = -EINVAL; | |
11314 | goto out; | |
11315 | } | |
11316 | ||
11317 | n_entries = validate_acl_mac_addrs(mac_attr); | |
11318 | if (n_entries <= 0) { | |
11319 | err = -EINVAL; | |
11320 | goto out; | |
11321 | } | |
11322 | ||
11323 | func->srf_num_macs = n_entries; | |
11324 | func->srf_macs = | |
11325 | kzalloc(sizeof(*func->srf_macs) * n_entries, | |
11326 | GFP_KERNEL); | |
11327 | if (!func->srf_macs) { | |
11328 | err = -ENOMEM; | |
11329 | goto out; | |
11330 | } | |
11331 | ||
11332 | nla_for_each_nested(attr, mac_attr, rem) | |
11333 | memcpy(func->srf_macs[i++].addr, nla_data(attr), | |
11334 | sizeof(*func->srf_macs)); | |
11335 | } | |
11336 | } | |
11337 | ||
11338 | if (tb[NL80211_NAN_FUNC_TX_MATCH_FILTER]) { | |
11339 | err = handle_nan_filter(tb[NL80211_NAN_FUNC_TX_MATCH_FILTER], | |
11340 | func, true); | |
11341 | if (err) | |
11342 | goto out; | |
11343 | } | |
11344 | ||
11345 | if (tb[NL80211_NAN_FUNC_RX_MATCH_FILTER]) { | |
11346 | err = handle_nan_filter(tb[NL80211_NAN_FUNC_RX_MATCH_FILTER], | |
11347 | func, false); | |
11348 | if (err) | |
11349 | goto out; | |
11350 | } | |
11351 | ||
11352 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11353 | if (!msg) { | |
11354 | err = -ENOMEM; | |
11355 | goto out; | |
11356 | } | |
11357 | ||
11358 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
11359 | NL80211_CMD_ADD_NAN_FUNCTION); | |
11360 | /* This can't really happen - we just allocated 4KB */ | |
11361 | if (WARN_ON(!hdr)) { | |
11362 | err = -ENOMEM; | |
11363 | goto out; | |
11364 | } | |
11365 | ||
11366 | err = rdev_add_nan_func(rdev, wdev, func); | |
11367 | out: | |
11368 | if (err < 0) { | |
11369 | cfg80211_free_nan_func(func); | |
11370 | nlmsg_free(msg); | |
11371 | return err; | |
11372 | } | |
11373 | ||
11374 | /* propagate the instance id and cookie to userspace */ | |
11375 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, func->cookie, | |
11376 | NL80211_ATTR_PAD)) | |
11377 | goto nla_put_failure; | |
11378 | ||
11379 | func_attr = nla_nest_start(msg, NL80211_ATTR_NAN_FUNC); | |
11380 | if (!func_attr) | |
11381 | goto nla_put_failure; | |
11382 | ||
11383 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, | |
11384 | func->instance_id)) | |
11385 | goto nla_put_failure; | |
11386 | ||
11387 | nla_nest_end(msg, func_attr); | |
11388 | ||
11389 | genlmsg_end(msg, hdr); | |
11390 | return genlmsg_reply(msg, info); | |
11391 | ||
11392 | nla_put_failure: | |
11393 | nlmsg_free(msg); | |
11394 | return -ENOBUFS; | |
11395 | } | |
11396 | ||
11397 | static int nl80211_nan_del_func(struct sk_buff *skb, | |
11398 | struct genl_info *info) | |
11399 | { | |
11400 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11401 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11402 | u64 cookie; | |
11403 | ||
11404 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
11405 | return -EOPNOTSUPP; | |
11406 | ||
73c7da3d | 11407 | if (!wdev_running(wdev)) |
a442b761 AB |
11408 | return -ENOTCONN; |
11409 | ||
11410 | if (!info->attrs[NL80211_ATTR_COOKIE]) | |
11411 | return -EINVAL; | |
11412 | ||
11413 | if (wdev->owner_nlportid && | |
11414 | wdev->owner_nlportid != info->snd_portid) | |
11415 | return -ENOTCONN; | |
11416 | ||
11417 | cookie = nla_get_u64(info->attrs[NL80211_ATTR_COOKIE]); | |
11418 | ||
11419 | rdev_del_nan_func(rdev, wdev, cookie); | |
11420 | ||
11421 | return 0; | |
11422 | } | |
11423 | ||
a5a9dcf2 AB |
11424 | static int nl80211_nan_change_config(struct sk_buff *skb, |
11425 | struct genl_info *info) | |
11426 | { | |
11427 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11428 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11429 | struct cfg80211_nan_conf conf = {}; | |
11430 | u32 changed = 0; | |
11431 | ||
11432 | if (wdev->iftype != NL80211_IFTYPE_NAN) | |
11433 | return -EOPNOTSUPP; | |
11434 | ||
73c7da3d | 11435 | if (!wdev_running(wdev)) |
a5a9dcf2 AB |
11436 | return -ENOTCONN; |
11437 | ||
11438 | if (info->attrs[NL80211_ATTR_NAN_MASTER_PREF]) { | |
11439 | conf.master_pref = | |
11440 | nla_get_u8(info->attrs[NL80211_ATTR_NAN_MASTER_PREF]); | |
11441 | if (conf.master_pref <= 1 || conf.master_pref == 255) | |
11442 | return -EINVAL; | |
11443 | ||
11444 | changed |= CFG80211_NAN_CONF_CHANGED_PREF; | |
11445 | } | |
11446 | ||
8585989d LC |
11447 | if (info->attrs[NL80211_ATTR_BANDS]) { |
11448 | u32 bands = nla_get_u32(info->attrs[NL80211_ATTR_BANDS]); | |
11449 | ||
11450 | if (bands & ~(u32)wdev->wiphy->nan_supported_bands) | |
11451 | return -EOPNOTSUPP; | |
11452 | ||
11453 | if (bands && !(bands & BIT(NL80211_BAND_2GHZ))) | |
11454 | return -EINVAL; | |
11455 | ||
11456 | conf.bands = bands; | |
11457 | changed |= CFG80211_NAN_CONF_CHANGED_BANDS; | |
a5a9dcf2 AB |
11458 | } |
11459 | ||
11460 | if (!changed) | |
11461 | return -EINVAL; | |
11462 | ||
11463 | return rdev_nan_change_conf(rdev, wdev, &conf, changed); | |
11464 | } | |
11465 | ||
50bcd31d AB |
11466 | void cfg80211_nan_match(struct wireless_dev *wdev, |
11467 | struct cfg80211_nan_match_params *match, gfp_t gfp) | |
11468 | { | |
11469 | struct wiphy *wiphy = wdev->wiphy; | |
11470 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
11471 | struct nlattr *match_attr, *local_func_attr, *peer_func_attr; | |
11472 | struct sk_buff *msg; | |
11473 | void *hdr; | |
11474 | ||
11475 | if (WARN_ON(!match->inst_id || !match->peer_inst_id || !match->addr)) | |
11476 | return; | |
11477 | ||
11478 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11479 | if (!msg) | |
11480 | return; | |
11481 | ||
11482 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NAN_MATCH); | |
11483 | if (!hdr) { | |
11484 | nlmsg_free(msg); | |
11485 | return; | |
11486 | } | |
11487 | ||
11488 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11489 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
11490 | wdev->netdev->ifindex)) || | |
11491 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), | |
11492 | NL80211_ATTR_PAD)) | |
11493 | goto nla_put_failure; | |
11494 | ||
11495 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, match->cookie, | |
11496 | NL80211_ATTR_PAD) || | |
11497 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, match->addr)) | |
11498 | goto nla_put_failure; | |
11499 | ||
11500 | match_attr = nla_nest_start(msg, NL80211_ATTR_NAN_MATCH); | |
11501 | if (!match_attr) | |
11502 | goto nla_put_failure; | |
11503 | ||
11504 | local_func_attr = nla_nest_start(msg, NL80211_NAN_MATCH_FUNC_LOCAL); | |
11505 | if (!local_func_attr) | |
11506 | goto nla_put_failure; | |
11507 | ||
11508 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->inst_id)) | |
11509 | goto nla_put_failure; | |
11510 | ||
11511 | nla_nest_end(msg, local_func_attr); | |
11512 | ||
11513 | peer_func_attr = nla_nest_start(msg, NL80211_NAN_MATCH_FUNC_PEER); | |
11514 | if (!peer_func_attr) | |
11515 | goto nla_put_failure; | |
11516 | ||
11517 | if (nla_put_u8(msg, NL80211_NAN_FUNC_TYPE, match->type) || | |
11518 | nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, match->peer_inst_id)) | |
11519 | goto nla_put_failure; | |
11520 | ||
11521 | if (match->info && match->info_len && | |
11522 | nla_put(msg, NL80211_NAN_FUNC_SERVICE_INFO, match->info_len, | |
11523 | match->info)) | |
11524 | goto nla_put_failure; | |
11525 | ||
11526 | nla_nest_end(msg, peer_func_attr); | |
11527 | nla_nest_end(msg, match_attr); | |
11528 | genlmsg_end(msg, hdr); | |
11529 | ||
11530 | if (!wdev->owner_nlportid) | |
11531 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
11532 | msg, 0, NL80211_MCGRP_NAN, gfp); | |
11533 | else | |
11534 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, | |
11535 | wdev->owner_nlportid); | |
11536 | ||
11537 | return; | |
11538 | ||
11539 | nla_put_failure: | |
11540 | nlmsg_free(msg); | |
11541 | } | |
11542 | EXPORT_SYMBOL(cfg80211_nan_match); | |
11543 | ||
368e5a7b AB |
11544 | void cfg80211_nan_func_terminated(struct wireless_dev *wdev, |
11545 | u8 inst_id, | |
11546 | enum nl80211_nan_func_term_reason reason, | |
11547 | u64 cookie, gfp_t gfp) | |
11548 | { | |
11549 | struct wiphy *wiphy = wdev->wiphy; | |
11550 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
11551 | struct sk_buff *msg; | |
11552 | struct nlattr *func_attr; | |
11553 | void *hdr; | |
11554 | ||
11555 | if (WARN_ON(!inst_id)) | |
11556 | return; | |
11557 | ||
11558 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
11559 | if (!msg) | |
11560 | return; | |
11561 | ||
11562 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DEL_NAN_FUNCTION); | |
11563 | if (!hdr) { | |
11564 | nlmsg_free(msg); | |
11565 | return; | |
11566 | } | |
11567 | ||
11568 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
11569 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
11570 | wdev->netdev->ifindex)) || | |
11571 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), | |
11572 | NL80211_ATTR_PAD)) | |
11573 | goto nla_put_failure; | |
11574 | ||
11575 | if (nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, | |
11576 | NL80211_ATTR_PAD)) | |
11577 | goto nla_put_failure; | |
11578 | ||
11579 | func_attr = nla_nest_start(msg, NL80211_ATTR_NAN_FUNC); | |
11580 | if (!func_attr) | |
11581 | goto nla_put_failure; | |
11582 | ||
11583 | if (nla_put_u8(msg, NL80211_NAN_FUNC_INSTANCE_ID, inst_id) || | |
11584 | nla_put_u8(msg, NL80211_NAN_FUNC_TERM_REASON, reason)) | |
11585 | goto nla_put_failure; | |
11586 | ||
11587 | nla_nest_end(msg, func_attr); | |
11588 | genlmsg_end(msg, hdr); | |
11589 | ||
11590 | if (!wdev->owner_nlportid) | |
11591 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), | |
11592 | msg, 0, NL80211_MCGRP_NAN, gfp); | |
11593 | else | |
11594 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, | |
11595 | wdev->owner_nlportid); | |
11596 | ||
11597 | return; | |
11598 | ||
11599 | nla_put_failure: | |
11600 | nlmsg_free(msg); | |
11601 | } | |
11602 | EXPORT_SYMBOL(cfg80211_nan_func_terminated); | |
11603 | ||
3713b4e3 JB |
11604 | static int nl80211_get_protocol_features(struct sk_buff *skb, |
11605 | struct genl_info *info) | |
11606 | { | |
11607 | void *hdr; | |
11608 | struct sk_buff *msg; | |
11609 | ||
11610 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
11611 | if (!msg) | |
11612 | return -ENOMEM; | |
11613 | ||
11614 | hdr = nl80211hdr_put(msg, info->snd_portid, info->snd_seq, 0, | |
11615 | NL80211_CMD_GET_PROTOCOL_FEATURES); | |
11616 | if (!hdr) | |
11617 | goto nla_put_failure; | |
11618 | ||
11619 | if (nla_put_u32(msg, NL80211_ATTR_PROTOCOL_FEATURES, | |
11620 | NL80211_PROTOCOL_FEATURE_SPLIT_WIPHY_DUMP)) | |
11621 | goto nla_put_failure; | |
11622 | ||
11623 | genlmsg_end(msg, hdr); | |
11624 | return genlmsg_reply(msg, info); | |
11625 | ||
11626 | nla_put_failure: | |
11627 | kfree_skb(msg); | |
11628 | return -ENOBUFS; | |
11629 | } | |
11630 | ||
355199e0 JM |
11631 | static int nl80211_update_ft_ies(struct sk_buff *skb, struct genl_info *info) |
11632 | { | |
11633 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11634 | struct cfg80211_update_ft_ies_params ft_params; | |
11635 | struct net_device *dev = info->user_ptr[1]; | |
11636 | ||
11637 | if (!rdev->ops->update_ft_ies) | |
11638 | return -EOPNOTSUPP; | |
11639 | ||
11640 | if (!info->attrs[NL80211_ATTR_MDID] || | |
11641 | !is_valid_ie_attr(info->attrs[NL80211_ATTR_IE])) | |
11642 | return -EINVAL; | |
11643 | ||
11644 | memset(&ft_params, 0, sizeof(ft_params)); | |
11645 | ft_params.md = nla_get_u16(info->attrs[NL80211_ATTR_MDID]); | |
11646 | ft_params.ie = nla_data(info->attrs[NL80211_ATTR_IE]); | |
11647 | ft_params.ie_len = nla_len(info->attrs[NL80211_ATTR_IE]); | |
11648 | ||
11649 | return rdev_update_ft_ies(rdev, dev, &ft_params); | |
11650 | } | |
11651 | ||
5de17984 AS |
11652 | static int nl80211_crit_protocol_start(struct sk_buff *skb, |
11653 | struct genl_info *info) | |
11654 | { | |
11655 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11656 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11657 | enum nl80211_crit_proto_id proto = NL80211_CRIT_PROTO_UNSPEC; | |
11658 | u16 duration; | |
11659 | int ret; | |
11660 | ||
11661 | if (!rdev->ops->crit_proto_start) | |
11662 | return -EOPNOTSUPP; | |
11663 | ||
11664 | if (WARN_ON(!rdev->ops->crit_proto_stop)) | |
11665 | return -EINVAL; | |
11666 | ||
11667 | if (rdev->crit_proto_nlportid) | |
11668 | return -EBUSY; | |
11669 | ||
11670 | /* determine protocol if provided */ | |
11671 | if (info->attrs[NL80211_ATTR_CRIT_PROT_ID]) | |
11672 | proto = nla_get_u16(info->attrs[NL80211_ATTR_CRIT_PROT_ID]); | |
11673 | ||
11674 | if (proto >= NUM_NL80211_CRIT_PROTO) | |
11675 | return -EINVAL; | |
11676 | ||
11677 | /* timeout must be provided */ | |
11678 | if (!info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]) | |
11679 | return -EINVAL; | |
11680 | ||
11681 | duration = | |
11682 | nla_get_u16(info->attrs[NL80211_ATTR_MAX_CRIT_PROT_DURATION]); | |
11683 | ||
11684 | if (duration > NL80211_CRIT_PROTO_MAX_DURATION) | |
11685 | return -ERANGE; | |
11686 | ||
11687 | ret = rdev_crit_proto_start(rdev, wdev, proto, duration); | |
11688 | if (!ret) | |
11689 | rdev->crit_proto_nlportid = info->snd_portid; | |
11690 | ||
11691 | return ret; | |
11692 | } | |
11693 | ||
11694 | static int nl80211_crit_protocol_stop(struct sk_buff *skb, | |
11695 | struct genl_info *info) | |
11696 | { | |
11697 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11698 | struct wireless_dev *wdev = info->user_ptr[1]; | |
11699 | ||
11700 | if (!rdev->ops->crit_proto_stop) | |
11701 | return -EOPNOTSUPP; | |
11702 | ||
11703 | if (rdev->crit_proto_nlportid) { | |
11704 | rdev->crit_proto_nlportid = 0; | |
11705 | rdev_crit_proto_stop(rdev, wdev); | |
11706 | } | |
11707 | return 0; | |
11708 | } | |
11709 | ||
ad7e718c JB |
11710 | static int nl80211_vendor_cmd(struct sk_buff *skb, struct genl_info *info) |
11711 | { | |
11712 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11713 | struct wireless_dev *wdev = | |
11714 | __cfg80211_wdev_from_attrs(genl_info_net(info), info->attrs); | |
11715 | int i, err; | |
11716 | u32 vid, subcmd; | |
11717 | ||
11718 | if (!rdev->wiphy.vendor_commands) | |
11719 | return -EOPNOTSUPP; | |
11720 | ||
11721 | if (IS_ERR(wdev)) { | |
11722 | err = PTR_ERR(wdev); | |
11723 | if (err != -EINVAL) | |
11724 | return err; | |
11725 | wdev = NULL; | |
11726 | } else if (wdev->wiphy != &rdev->wiphy) { | |
11727 | return -EINVAL; | |
11728 | } | |
11729 | ||
11730 | if (!info->attrs[NL80211_ATTR_VENDOR_ID] || | |
11731 | !info->attrs[NL80211_ATTR_VENDOR_SUBCMD]) | |
11732 | return -EINVAL; | |
11733 | ||
11734 | vid = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_ID]); | |
11735 | subcmd = nla_get_u32(info->attrs[NL80211_ATTR_VENDOR_SUBCMD]); | |
11736 | for (i = 0; i < rdev->wiphy.n_vendor_commands; i++) { | |
11737 | const struct wiphy_vendor_command *vcmd; | |
11738 | void *data = NULL; | |
11739 | int len = 0; | |
11740 | ||
11741 | vcmd = &rdev->wiphy.vendor_commands[i]; | |
11742 | ||
11743 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
11744 | continue; | |
11745 | ||
11746 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
11747 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
11748 | if (!wdev) | |
11749 | return -EINVAL; | |
11750 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && | |
11751 | !wdev->netdev) | |
11752 | return -EINVAL; | |
11753 | ||
11754 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
73c7da3d | 11755 | if (!wdev_running(wdev)) |
ad7e718c JB |
11756 | return -ENETDOWN; |
11757 | } | |
7bdbe400 JB |
11758 | |
11759 | if (!vcmd->doit) | |
11760 | return -EOPNOTSUPP; | |
ad7e718c JB |
11761 | } else { |
11762 | wdev = NULL; | |
11763 | } | |
11764 | ||
11765 | if (info->attrs[NL80211_ATTR_VENDOR_DATA]) { | |
11766 | data = nla_data(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
11767 | len = nla_len(info->attrs[NL80211_ATTR_VENDOR_DATA]); | |
11768 | } | |
11769 | ||
11770 | rdev->cur_cmd_info = info; | |
11771 | err = rdev->wiphy.vendor_commands[i].doit(&rdev->wiphy, wdev, | |
11772 | data, len); | |
11773 | rdev->cur_cmd_info = NULL; | |
11774 | return err; | |
11775 | } | |
11776 | ||
11777 | return -EOPNOTSUPP; | |
11778 | } | |
11779 | ||
7bdbe400 JB |
11780 | static int nl80211_prepare_vendor_dump(struct sk_buff *skb, |
11781 | struct netlink_callback *cb, | |
11782 | struct cfg80211_registered_device **rdev, | |
11783 | struct wireless_dev **wdev) | |
11784 | { | |
c90c39da | 11785 | struct nlattr **attrbuf = genl_family_attrbuf(&nl80211_fam); |
7bdbe400 JB |
11786 | u32 vid, subcmd; |
11787 | unsigned int i; | |
11788 | int vcmd_idx = -1; | |
11789 | int err; | |
11790 | void *data = NULL; | |
11791 | unsigned int data_len = 0; | |
11792 | ||
7bdbe400 JB |
11793 | if (cb->args[0]) { |
11794 | /* subtract the 1 again here */ | |
11795 | struct wiphy *wiphy = wiphy_idx_to_wiphy(cb->args[0] - 1); | |
11796 | struct wireless_dev *tmp; | |
11797 | ||
ea90e0dc JB |
11798 | if (!wiphy) |
11799 | return -ENODEV; | |
7bdbe400 JB |
11800 | *rdev = wiphy_to_rdev(wiphy); |
11801 | *wdev = NULL; | |
11802 | ||
11803 | if (cb->args[1]) { | |
53873f13 | 11804 | list_for_each_entry(tmp, &wiphy->wdev_list, list) { |
7bdbe400 JB |
11805 | if (tmp->identifier == cb->args[1] - 1) { |
11806 | *wdev = tmp; | |
11807 | break; | |
11808 | } | |
11809 | } | |
11810 | } | |
11811 | ||
11812 | /* keep rtnl locked in successful case */ | |
11813 | return 0; | |
11814 | } | |
11815 | ||
fceb6435 JB |
11816 | err = nlmsg_parse(cb->nlh, GENL_HDRLEN + nl80211_fam.hdrsize, attrbuf, |
11817 | nl80211_fam.maxattr, nl80211_policy, NULL); | |
7bdbe400 | 11818 | if (err) |
ea90e0dc | 11819 | return err; |
7bdbe400 | 11820 | |
c90c39da | 11821 | if (!attrbuf[NL80211_ATTR_VENDOR_ID] || |
ea90e0dc JB |
11822 | !attrbuf[NL80211_ATTR_VENDOR_SUBCMD]) |
11823 | return -EINVAL; | |
7bdbe400 | 11824 | |
c90c39da | 11825 | *wdev = __cfg80211_wdev_from_attrs(sock_net(skb->sk), attrbuf); |
7bdbe400 JB |
11826 | if (IS_ERR(*wdev)) |
11827 | *wdev = NULL; | |
11828 | ||
c90c39da | 11829 | *rdev = __cfg80211_rdev_from_attrs(sock_net(skb->sk), attrbuf); |
ea90e0dc JB |
11830 | if (IS_ERR(*rdev)) |
11831 | return PTR_ERR(*rdev); | |
7bdbe400 | 11832 | |
c90c39da JB |
11833 | vid = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_ID]); |
11834 | subcmd = nla_get_u32(attrbuf[NL80211_ATTR_VENDOR_SUBCMD]); | |
7bdbe400 JB |
11835 | |
11836 | for (i = 0; i < (*rdev)->wiphy.n_vendor_commands; i++) { | |
11837 | const struct wiphy_vendor_command *vcmd; | |
11838 | ||
11839 | vcmd = &(*rdev)->wiphy.vendor_commands[i]; | |
11840 | ||
11841 | if (vcmd->info.vendor_id != vid || vcmd->info.subcmd != subcmd) | |
11842 | continue; | |
11843 | ||
ea90e0dc JB |
11844 | if (!vcmd->dumpit) |
11845 | return -EOPNOTSUPP; | |
7bdbe400 JB |
11846 | |
11847 | vcmd_idx = i; | |
11848 | break; | |
11849 | } | |
11850 | ||
ea90e0dc JB |
11851 | if (vcmd_idx < 0) |
11852 | return -EOPNOTSUPP; | |
7bdbe400 | 11853 | |
c90c39da JB |
11854 | if (attrbuf[NL80211_ATTR_VENDOR_DATA]) { |
11855 | data = nla_data(attrbuf[NL80211_ATTR_VENDOR_DATA]); | |
11856 | data_len = nla_len(attrbuf[NL80211_ATTR_VENDOR_DATA]); | |
7bdbe400 JB |
11857 | } |
11858 | ||
11859 | /* 0 is the first index - add 1 to parse only once */ | |
11860 | cb->args[0] = (*rdev)->wiphy_idx + 1; | |
11861 | /* add 1 to know if it was NULL */ | |
11862 | cb->args[1] = *wdev ? (*wdev)->identifier + 1 : 0; | |
11863 | cb->args[2] = vcmd_idx; | |
11864 | cb->args[3] = (unsigned long)data; | |
11865 | cb->args[4] = data_len; | |
11866 | ||
11867 | /* keep rtnl locked in successful case */ | |
11868 | return 0; | |
7bdbe400 JB |
11869 | } |
11870 | ||
11871 | static int nl80211_vendor_cmd_dump(struct sk_buff *skb, | |
11872 | struct netlink_callback *cb) | |
11873 | { | |
11874 | struct cfg80211_registered_device *rdev; | |
11875 | struct wireless_dev *wdev; | |
11876 | unsigned int vcmd_idx; | |
11877 | const struct wiphy_vendor_command *vcmd; | |
11878 | void *data; | |
11879 | int data_len; | |
11880 | int err; | |
11881 | struct nlattr *vendor_data; | |
11882 | ||
ea90e0dc | 11883 | rtnl_lock(); |
7bdbe400 JB |
11884 | err = nl80211_prepare_vendor_dump(skb, cb, &rdev, &wdev); |
11885 | if (err) | |
ea90e0dc | 11886 | goto out; |
7bdbe400 JB |
11887 | |
11888 | vcmd_idx = cb->args[2]; | |
11889 | data = (void *)cb->args[3]; | |
11890 | data_len = cb->args[4]; | |
11891 | vcmd = &rdev->wiphy.vendor_commands[vcmd_idx]; | |
11892 | ||
11893 | if (vcmd->flags & (WIPHY_VENDOR_CMD_NEED_WDEV | | |
11894 | WIPHY_VENDOR_CMD_NEED_NETDEV)) { | |
ea90e0dc JB |
11895 | if (!wdev) { |
11896 | err = -EINVAL; | |
11897 | goto out; | |
11898 | } | |
7bdbe400 | 11899 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_NETDEV && |
ea90e0dc JB |
11900 | !wdev->netdev) { |
11901 | err = -EINVAL; | |
11902 | goto out; | |
11903 | } | |
7bdbe400 JB |
11904 | |
11905 | if (vcmd->flags & WIPHY_VENDOR_CMD_NEED_RUNNING) { | |
ea90e0dc JB |
11906 | if (!wdev_running(wdev)) { |
11907 | err = -ENETDOWN; | |
11908 | goto out; | |
11909 | } | |
7bdbe400 JB |
11910 | } |
11911 | } | |
11912 | ||
11913 | while (1) { | |
11914 | void *hdr = nl80211hdr_put(skb, NETLINK_CB(cb->skb).portid, | |
11915 | cb->nlh->nlmsg_seq, NLM_F_MULTI, | |
11916 | NL80211_CMD_VENDOR); | |
11917 | if (!hdr) | |
11918 | break; | |
11919 | ||
11920 | if (nla_put_u32(skb, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
11921 | (wdev && nla_put_u64_64bit(skb, NL80211_ATTR_WDEV, |
11922 | wdev_id(wdev), | |
11923 | NL80211_ATTR_PAD))) { | |
7bdbe400 JB |
11924 | genlmsg_cancel(skb, hdr); |
11925 | break; | |
11926 | } | |
11927 | ||
11928 | vendor_data = nla_nest_start(skb, NL80211_ATTR_VENDOR_DATA); | |
11929 | if (!vendor_data) { | |
11930 | genlmsg_cancel(skb, hdr); | |
11931 | break; | |
11932 | } | |
11933 | ||
11934 | err = vcmd->dumpit(&rdev->wiphy, wdev, skb, data, data_len, | |
11935 | (unsigned long *)&cb->args[5]); | |
11936 | nla_nest_end(skb, vendor_data); | |
11937 | ||
11938 | if (err == -ENOBUFS || err == -ENOENT) { | |
11939 | genlmsg_cancel(skb, hdr); | |
11940 | break; | |
11941 | } else if (err) { | |
11942 | genlmsg_cancel(skb, hdr); | |
11943 | goto out; | |
11944 | } | |
11945 | ||
11946 | genlmsg_end(skb, hdr); | |
11947 | } | |
11948 | ||
11949 | err = skb->len; | |
11950 | out: | |
11951 | rtnl_unlock(); | |
11952 | return err; | |
11953 | } | |
11954 | ||
ad7e718c JB |
11955 | struct sk_buff *__cfg80211_alloc_reply_skb(struct wiphy *wiphy, |
11956 | enum nl80211_commands cmd, | |
11957 | enum nl80211_attrs attr, | |
11958 | int approxlen) | |
11959 | { | |
f26cbf40 | 11960 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ad7e718c JB |
11961 | |
11962 | if (WARN_ON(!rdev->cur_cmd_info)) | |
11963 | return NULL; | |
11964 | ||
6c09e791 | 11965 | return __cfg80211_alloc_vendor_skb(rdev, NULL, approxlen, |
ad7e718c JB |
11966 | rdev->cur_cmd_info->snd_portid, |
11967 | rdev->cur_cmd_info->snd_seq, | |
567ffc35 | 11968 | cmd, attr, NULL, GFP_KERNEL); |
ad7e718c JB |
11969 | } |
11970 | EXPORT_SYMBOL(__cfg80211_alloc_reply_skb); | |
11971 | ||
11972 | int cfg80211_vendor_cmd_reply(struct sk_buff *skb) | |
11973 | { | |
11974 | struct cfg80211_registered_device *rdev = ((void **)skb->cb)[0]; | |
11975 | void *hdr = ((void **)skb->cb)[1]; | |
11976 | struct nlattr *data = ((void **)skb->cb)[2]; | |
11977 | ||
bd8c78e7 JB |
11978 | /* clear CB data for netlink core to own from now on */ |
11979 | memset(skb->cb, 0, sizeof(skb->cb)); | |
11980 | ||
ad7e718c JB |
11981 | if (WARN_ON(!rdev->cur_cmd_info)) { |
11982 | kfree_skb(skb); | |
11983 | return -EINVAL; | |
11984 | } | |
11985 | ||
11986 | nla_nest_end(skb, data); | |
11987 | genlmsg_end(skb, hdr); | |
11988 | return genlmsg_reply(skb, rdev->cur_cmd_info); | |
11989 | } | |
11990 | EXPORT_SYMBOL_GPL(cfg80211_vendor_cmd_reply); | |
11991 | ||
fa9ffc74 KP |
11992 | static int nl80211_set_qos_map(struct sk_buff *skb, |
11993 | struct genl_info *info) | |
11994 | { | |
11995 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
11996 | struct cfg80211_qos_map *qos_map = NULL; | |
11997 | struct net_device *dev = info->user_ptr[1]; | |
11998 | u8 *pos, len, num_des, des_len, des; | |
11999 | int ret; | |
12000 | ||
12001 | if (!rdev->ops->set_qos_map) | |
12002 | return -EOPNOTSUPP; | |
12003 | ||
12004 | if (info->attrs[NL80211_ATTR_QOS_MAP]) { | |
12005 | pos = nla_data(info->attrs[NL80211_ATTR_QOS_MAP]); | |
12006 | len = nla_len(info->attrs[NL80211_ATTR_QOS_MAP]); | |
12007 | ||
12008 | if (len % 2 || len < IEEE80211_QOS_MAP_LEN_MIN || | |
12009 | len > IEEE80211_QOS_MAP_LEN_MAX) | |
12010 | return -EINVAL; | |
12011 | ||
12012 | qos_map = kzalloc(sizeof(struct cfg80211_qos_map), GFP_KERNEL); | |
12013 | if (!qos_map) | |
12014 | return -ENOMEM; | |
12015 | ||
12016 | num_des = (len - IEEE80211_QOS_MAP_LEN_MIN) >> 1; | |
12017 | if (num_des) { | |
12018 | des_len = num_des * | |
12019 | sizeof(struct cfg80211_dscp_exception); | |
12020 | memcpy(qos_map->dscp_exception, pos, des_len); | |
12021 | qos_map->num_des = num_des; | |
12022 | for (des = 0; des < num_des; des++) { | |
12023 | if (qos_map->dscp_exception[des].up > 7) { | |
12024 | kfree(qos_map); | |
12025 | return -EINVAL; | |
12026 | } | |
12027 | } | |
12028 | pos += des_len; | |
12029 | } | |
12030 | memcpy(qos_map->up, pos, IEEE80211_QOS_MAP_LEN_MIN); | |
12031 | } | |
12032 | ||
12033 | wdev_lock(dev->ieee80211_ptr); | |
12034 | ret = nl80211_key_allowed(dev->ieee80211_ptr); | |
12035 | if (!ret) | |
12036 | ret = rdev_set_qos_map(rdev, dev, qos_map); | |
12037 | wdev_unlock(dev->ieee80211_ptr); | |
12038 | ||
12039 | kfree(qos_map); | |
12040 | return ret; | |
12041 | } | |
12042 | ||
960d01ac JB |
12043 | static int nl80211_add_tx_ts(struct sk_buff *skb, struct genl_info *info) |
12044 | { | |
12045 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12046 | struct net_device *dev = info->user_ptr[1]; | |
12047 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12048 | const u8 *peer; | |
12049 | u8 tsid, up; | |
12050 | u16 admitted_time = 0; | |
12051 | int err; | |
12052 | ||
723e73ac | 12053 | if (!(rdev->wiphy.features & NL80211_FEATURE_SUPPORTS_WMM_ADMISSION)) |
960d01ac JB |
12054 | return -EOPNOTSUPP; |
12055 | ||
12056 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC] || | |
12057 | !info->attrs[NL80211_ATTR_USER_PRIO]) | |
12058 | return -EINVAL; | |
12059 | ||
12060 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
12061 | if (tsid >= IEEE80211_NUM_TIDS) | |
12062 | return -EINVAL; | |
12063 | ||
12064 | up = nla_get_u8(info->attrs[NL80211_ATTR_USER_PRIO]); | |
12065 | if (up >= IEEE80211_NUM_UPS) | |
12066 | return -EINVAL; | |
12067 | ||
12068 | /* WMM uses TIDs 0-7 even for TSPEC */ | |
723e73ac | 12069 | if (tsid >= IEEE80211_FIRST_TSPEC_TSID) { |
960d01ac | 12070 | /* TODO: handle 802.11 TSPEC/admission control |
723e73ac JB |
12071 | * need more attributes for that (e.g. BA session requirement); |
12072 | * change the WMM adminssion test above to allow both then | |
960d01ac JB |
12073 | */ |
12074 | return -EINVAL; | |
12075 | } | |
12076 | ||
12077 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
12078 | ||
12079 | if (info->attrs[NL80211_ATTR_ADMITTED_TIME]) { | |
12080 | admitted_time = | |
12081 | nla_get_u16(info->attrs[NL80211_ATTR_ADMITTED_TIME]); | |
12082 | if (!admitted_time) | |
12083 | return -EINVAL; | |
12084 | } | |
12085 | ||
12086 | wdev_lock(wdev); | |
12087 | switch (wdev->iftype) { | |
12088 | case NL80211_IFTYPE_STATION: | |
12089 | case NL80211_IFTYPE_P2P_CLIENT: | |
12090 | if (wdev->current_bss) | |
12091 | break; | |
12092 | err = -ENOTCONN; | |
12093 | goto out; | |
12094 | default: | |
12095 | err = -EOPNOTSUPP; | |
12096 | goto out; | |
12097 | } | |
12098 | ||
12099 | err = rdev_add_tx_ts(rdev, dev, tsid, peer, up, admitted_time); | |
12100 | ||
12101 | out: | |
12102 | wdev_unlock(wdev); | |
12103 | return err; | |
12104 | } | |
12105 | ||
12106 | static int nl80211_del_tx_ts(struct sk_buff *skb, struct genl_info *info) | |
12107 | { | |
12108 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12109 | struct net_device *dev = info->user_ptr[1]; | |
12110 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12111 | const u8 *peer; | |
12112 | u8 tsid; | |
12113 | int err; | |
12114 | ||
12115 | if (!info->attrs[NL80211_ATTR_TSID] || !info->attrs[NL80211_ATTR_MAC]) | |
12116 | return -EINVAL; | |
12117 | ||
12118 | tsid = nla_get_u8(info->attrs[NL80211_ATTR_TSID]); | |
12119 | peer = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
12120 | ||
12121 | wdev_lock(wdev); | |
12122 | err = rdev_del_tx_ts(rdev, dev, tsid, peer); | |
12123 | wdev_unlock(wdev); | |
12124 | ||
12125 | return err; | |
12126 | } | |
12127 | ||
1057d35e AN |
12128 | static int nl80211_tdls_channel_switch(struct sk_buff *skb, |
12129 | struct genl_info *info) | |
12130 | { | |
12131 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12132 | struct net_device *dev = info->user_ptr[1]; | |
12133 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12134 | struct cfg80211_chan_def chandef = {}; | |
12135 | const u8 *addr; | |
12136 | u8 oper_class; | |
12137 | int err; | |
12138 | ||
12139 | if (!rdev->ops->tdls_channel_switch || | |
12140 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
12141 | return -EOPNOTSUPP; | |
12142 | ||
12143 | switch (dev->ieee80211_ptr->iftype) { | |
12144 | case NL80211_IFTYPE_STATION: | |
12145 | case NL80211_IFTYPE_P2P_CLIENT: | |
12146 | break; | |
12147 | default: | |
12148 | return -EOPNOTSUPP; | |
12149 | } | |
12150 | ||
12151 | if (!info->attrs[NL80211_ATTR_MAC] || | |
12152 | !info->attrs[NL80211_ATTR_OPER_CLASS]) | |
12153 | return -EINVAL; | |
12154 | ||
12155 | err = nl80211_parse_chandef(rdev, info, &chandef); | |
12156 | if (err) | |
12157 | return err; | |
12158 | ||
12159 | /* | |
12160 | * Don't allow wide channels on the 2.4Ghz band, as per IEEE802.11-2012 | |
12161 | * section 10.22.6.2.1. Disallow 5/10Mhz channels as well for now, the | |
12162 | * specification is not defined for them. | |
12163 | */ | |
57fbcce3 | 12164 | if (chandef.chan->band == NL80211_BAND_2GHZ && |
1057d35e AN |
12165 | chandef.width != NL80211_CHAN_WIDTH_20_NOHT && |
12166 | chandef.width != NL80211_CHAN_WIDTH_20) | |
12167 | return -EINVAL; | |
12168 | ||
12169 | /* we will be active on the TDLS link */ | |
923b352f AN |
12170 | if (!cfg80211_reg_can_beacon_relax(&rdev->wiphy, &chandef, |
12171 | wdev->iftype)) | |
1057d35e AN |
12172 | return -EINVAL; |
12173 | ||
12174 | /* don't allow switching to DFS channels */ | |
12175 | if (cfg80211_chandef_dfs_required(wdev->wiphy, &chandef, wdev->iftype)) | |
12176 | return -EINVAL; | |
12177 | ||
12178 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
12179 | oper_class = nla_get_u8(info->attrs[NL80211_ATTR_OPER_CLASS]); | |
12180 | ||
12181 | wdev_lock(wdev); | |
12182 | err = rdev_tdls_channel_switch(rdev, dev, addr, oper_class, &chandef); | |
12183 | wdev_unlock(wdev); | |
12184 | ||
12185 | return err; | |
12186 | } | |
12187 | ||
12188 | static int nl80211_tdls_cancel_channel_switch(struct sk_buff *skb, | |
12189 | struct genl_info *info) | |
12190 | { | |
12191 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12192 | struct net_device *dev = info->user_ptr[1]; | |
12193 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12194 | const u8 *addr; | |
12195 | ||
12196 | if (!rdev->ops->tdls_channel_switch || | |
12197 | !rdev->ops->tdls_cancel_channel_switch || | |
12198 | !(rdev->wiphy.features & NL80211_FEATURE_TDLS_CHANNEL_SWITCH)) | |
12199 | return -EOPNOTSUPP; | |
12200 | ||
12201 | switch (dev->ieee80211_ptr->iftype) { | |
12202 | case NL80211_IFTYPE_STATION: | |
12203 | case NL80211_IFTYPE_P2P_CLIENT: | |
12204 | break; | |
12205 | default: | |
12206 | return -EOPNOTSUPP; | |
12207 | } | |
12208 | ||
12209 | if (!info->attrs[NL80211_ATTR_MAC]) | |
12210 | return -EINVAL; | |
12211 | ||
12212 | addr = nla_data(info->attrs[NL80211_ATTR_MAC]); | |
12213 | ||
12214 | wdev_lock(wdev); | |
12215 | rdev_tdls_cancel_channel_switch(rdev, dev, addr); | |
12216 | wdev_unlock(wdev); | |
12217 | ||
12218 | return 0; | |
12219 | } | |
12220 | ||
ce0ce13a MB |
12221 | static int nl80211_set_multicast_to_unicast(struct sk_buff *skb, |
12222 | struct genl_info *info) | |
12223 | { | |
12224 | struct cfg80211_registered_device *rdev = info->user_ptr[0]; | |
12225 | struct net_device *dev = info->user_ptr[1]; | |
12226 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
12227 | const struct nlattr *nla; | |
12228 | bool enabled; | |
12229 | ||
ce0ce13a MB |
12230 | if (!rdev->ops->set_multicast_to_unicast) |
12231 | return -EOPNOTSUPP; | |
12232 | ||
12233 | if (wdev->iftype != NL80211_IFTYPE_AP && | |
12234 | wdev->iftype != NL80211_IFTYPE_P2P_GO) | |
12235 | return -EOPNOTSUPP; | |
12236 | ||
12237 | nla = info->attrs[NL80211_ATTR_MULTICAST_TO_UNICAST_ENABLED]; | |
12238 | enabled = nla_get_flag(nla); | |
12239 | ||
12240 | return rdev_set_multicast_to_unicast(rdev, dev, enabled); | |
12241 | } | |
12242 | ||
4c476991 JB |
12243 | #define NL80211_FLAG_NEED_WIPHY 0x01 |
12244 | #define NL80211_FLAG_NEED_NETDEV 0x02 | |
12245 | #define NL80211_FLAG_NEED_RTNL 0x04 | |
41265714 JB |
12246 | #define NL80211_FLAG_CHECK_NETDEV_UP 0x08 |
12247 | #define NL80211_FLAG_NEED_NETDEV_UP (NL80211_FLAG_NEED_NETDEV |\ | |
12248 | NL80211_FLAG_CHECK_NETDEV_UP) | |
1bf614ef | 12249 | #define NL80211_FLAG_NEED_WDEV 0x10 |
98104fde | 12250 | /* If a netdev is associated, it must be UP, P2P must be started */ |
1bf614ef JB |
12251 | #define NL80211_FLAG_NEED_WDEV_UP (NL80211_FLAG_NEED_WDEV |\ |
12252 | NL80211_FLAG_CHECK_NETDEV_UP) | |
5393b917 | 12253 | #define NL80211_FLAG_CLEAR_SKB 0x20 |
4c476991 | 12254 | |
f84f771d | 12255 | static int nl80211_pre_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
12256 | struct genl_info *info) |
12257 | { | |
12258 | struct cfg80211_registered_device *rdev; | |
89a54e48 | 12259 | struct wireless_dev *wdev; |
4c476991 | 12260 | struct net_device *dev; |
4c476991 JB |
12261 | bool rtnl = ops->internal_flags & NL80211_FLAG_NEED_RTNL; |
12262 | ||
12263 | if (rtnl) | |
12264 | rtnl_lock(); | |
12265 | ||
12266 | if (ops->internal_flags & NL80211_FLAG_NEED_WIPHY) { | |
4f7eff10 | 12267 | rdev = cfg80211_get_dev_from_info(genl_info_net(info), info); |
4c476991 JB |
12268 | if (IS_ERR(rdev)) { |
12269 | if (rtnl) | |
12270 | rtnl_unlock(); | |
12271 | return PTR_ERR(rdev); | |
12272 | } | |
12273 | info->user_ptr[0] = rdev; | |
1bf614ef JB |
12274 | } else if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV || |
12275 | ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
5fe231e8 JB |
12276 | ASSERT_RTNL(); |
12277 | ||
89a54e48 JB |
12278 | wdev = __cfg80211_wdev_from_attrs(genl_info_net(info), |
12279 | info->attrs); | |
12280 | if (IS_ERR(wdev)) { | |
4c476991 JB |
12281 | if (rtnl) |
12282 | rtnl_unlock(); | |
89a54e48 | 12283 | return PTR_ERR(wdev); |
4c476991 | 12284 | } |
89a54e48 | 12285 | |
89a54e48 | 12286 | dev = wdev->netdev; |
f26cbf40 | 12287 | rdev = wiphy_to_rdev(wdev->wiphy); |
89a54e48 | 12288 | |
1bf614ef JB |
12289 | if (ops->internal_flags & NL80211_FLAG_NEED_NETDEV) { |
12290 | if (!dev) { | |
1bf614ef JB |
12291 | if (rtnl) |
12292 | rtnl_unlock(); | |
12293 | return -EINVAL; | |
12294 | } | |
12295 | ||
12296 | info->user_ptr[1] = dev; | |
12297 | } else { | |
12298 | info->user_ptr[1] = wdev; | |
41265714 | 12299 | } |
1bf614ef | 12300 | |
73c7da3d AVS |
12301 | if (ops->internal_flags & NL80211_FLAG_CHECK_NETDEV_UP && |
12302 | !wdev_running(wdev)) { | |
12303 | if (rtnl) | |
12304 | rtnl_unlock(); | |
12305 | return -ENETDOWN; | |
12306 | } | |
1bf614ef | 12307 | |
73c7da3d | 12308 | if (dev) |
1bf614ef | 12309 | dev_hold(dev); |
89a54e48 | 12310 | |
4c476991 | 12311 | info->user_ptr[0] = rdev; |
4c476991 JB |
12312 | } |
12313 | ||
12314 | return 0; | |
12315 | } | |
12316 | ||
f84f771d | 12317 | static void nl80211_post_doit(const struct genl_ops *ops, struct sk_buff *skb, |
4c476991 JB |
12318 | struct genl_info *info) |
12319 | { | |
1bf614ef JB |
12320 | if (info->user_ptr[1]) { |
12321 | if (ops->internal_flags & NL80211_FLAG_NEED_WDEV) { | |
12322 | struct wireless_dev *wdev = info->user_ptr[1]; | |
12323 | ||
12324 | if (wdev->netdev) | |
12325 | dev_put(wdev->netdev); | |
12326 | } else { | |
12327 | dev_put(info->user_ptr[1]); | |
12328 | } | |
12329 | } | |
5393b917 | 12330 | |
4c476991 JB |
12331 | if (ops->internal_flags & NL80211_FLAG_NEED_RTNL) |
12332 | rtnl_unlock(); | |
5393b917 JB |
12333 | |
12334 | /* If needed, clear the netlink message payload from the SKB | |
12335 | * as it might contain key data that shouldn't stick around on | |
12336 | * the heap after the SKB is freed. The netlink message header | |
12337 | * is still needed for further processing, so leave it intact. | |
12338 | */ | |
12339 | if (ops->internal_flags & NL80211_FLAG_CLEAR_SKB) { | |
12340 | struct nlmsghdr *nlh = nlmsg_hdr(skb); | |
12341 | ||
12342 | memset(nlmsg_data(nlh), 0, nlmsg_len(nlh)); | |
12343 | } | |
4c476991 JB |
12344 | } |
12345 | ||
4534de83 | 12346 | static const struct genl_ops nl80211_ops[] = { |
55682965 JB |
12347 | { |
12348 | .cmd = NL80211_CMD_GET_WIPHY, | |
12349 | .doit = nl80211_get_wiphy, | |
12350 | .dumpit = nl80211_dump_wiphy, | |
86e8cf98 | 12351 | .done = nl80211_dump_wiphy_done, |
55682965 JB |
12352 | .policy = nl80211_policy, |
12353 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
12354 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12355 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
12356 | }, |
12357 | { | |
12358 | .cmd = NL80211_CMD_SET_WIPHY, | |
12359 | .doit = nl80211_set_wiphy, | |
12360 | .policy = nl80211_policy, | |
5617c6cd | 12361 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 | 12362 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
55682965 JB |
12363 | }, |
12364 | { | |
12365 | .cmd = NL80211_CMD_GET_INTERFACE, | |
12366 | .doit = nl80211_get_interface, | |
12367 | .dumpit = nl80211_dump_interface, | |
12368 | .policy = nl80211_policy, | |
12369 | /* can be retrieved by unprivileged users */ | |
5fe231e8 JB |
12370 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
12371 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
12372 | }, |
12373 | { | |
12374 | .cmd = NL80211_CMD_SET_INTERFACE, | |
12375 | .doit = nl80211_set_interface, | |
12376 | .policy = nl80211_policy, | |
5617c6cd | 12377 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12378 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12379 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
12380 | }, |
12381 | { | |
12382 | .cmd = NL80211_CMD_NEW_INTERFACE, | |
12383 | .doit = nl80211_new_interface, | |
12384 | .policy = nl80211_policy, | |
5617c6cd | 12385 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12386 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12387 | NL80211_FLAG_NEED_RTNL, | |
55682965 JB |
12388 | }, |
12389 | { | |
12390 | .cmd = NL80211_CMD_DEL_INTERFACE, | |
12391 | .doit = nl80211_del_interface, | |
12392 | .policy = nl80211_policy, | |
5617c6cd | 12393 | .flags = GENL_UNS_ADMIN_PERM, |
84efbb84 | 12394 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 12395 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
12396 | }, |
12397 | { | |
12398 | .cmd = NL80211_CMD_GET_KEY, | |
12399 | .doit = nl80211_get_key, | |
12400 | .policy = nl80211_policy, | |
5617c6cd | 12401 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12402 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12403 | NL80211_FLAG_NEED_RTNL, |
41ade00f JB |
12404 | }, |
12405 | { | |
12406 | .cmd = NL80211_CMD_SET_KEY, | |
12407 | .doit = nl80211_set_key, | |
12408 | .policy = nl80211_policy, | |
5617c6cd | 12409 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12410 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
12411 | NL80211_FLAG_NEED_RTNL | |
12412 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
12413 | }, |
12414 | { | |
12415 | .cmd = NL80211_CMD_NEW_KEY, | |
12416 | .doit = nl80211_new_key, | |
12417 | .policy = nl80211_policy, | |
5617c6cd | 12418 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12419 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
12420 | NL80211_FLAG_NEED_RTNL | |
12421 | NL80211_FLAG_CLEAR_SKB, | |
41ade00f JB |
12422 | }, |
12423 | { | |
12424 | .cmd = NL80211_CMD_DEL_KEY, | |
12425 | .doit = nl80211_del_key, | |
12426 | .policy = nl80211_policy, | |
5617c6cd | 12427 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12428 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12429 | NL80211_FLAG_NEED_RTNL, |
55682965 | 12430 | }, |
ed1b6cc7 JB |
12431 | { |
12432 | .cmd = NL80211_CMD_SET_BEACON, | |
12433 | .policy = nl80211_policy, | |
5617c6cd | 12434 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 12435 | .doit = nl80211_set_beacon, |
2b5f8b0b | 12436 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12437 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
12438 | }, |
12439 | { | |
8860020e | 12440 | .cmd = NL80211_CMD_START_AP, |
ed1b6cc7 | 12441 | .policy = nl80211_policy, |
5617c6cd | 12442 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 12443 | .doit = nl80211_start_ap, |
2b5f8b0b | 12444 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12445 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 JB |
12446 | }, |
12447 | { | |
8860020e | 12448 | .cmd = NL80211_CMD_STOP_AP, |
ed1b6cc7 | 12449 | .policy = nl80211_policy, |
5617c6cd | 12450 | .flags = GENL_UNS_ADMIN_PERM, |
8860020e | 12451 | .doit = nl80211_stop_ap, |
2b5f8b0b | 12452 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12453 | NL80211_FLAG_NEED_RTNL, |
ed1b6cc7 | 12454 | }, |
5727ef1b JB |
12455 | { |
12456 | .cmd = NL80211_CMD_GET_STATION, | |
12457 | .doit = nl80211_get_station, | |
2ec600d6 | 12458 | .dumpit = nl80211_dump_station, |
5727ef1b | 12459 | .policy = nl80211_policy, |
4c476991 JB |
12460 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12461 | NL80211_FLAG_NEED_RTNL, | |
5727ef1b JB |
12462 | }, |
12463 | { | |
12464 | .cmd = NL80211_CMD_SET_STATION, | |
12465 | .doit = nl80211_set_station, | |
12466 | .policy = nl80211_policy, | |
5617c6cd | 12467 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12468 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12469 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
12470 | }, |
12471 | { | |
12472 | .cmd = NL80211_CMD_NEW_STATION, | |
12473 | .doit = nl80211_new_station, | |
12474 | .policy = nl80211_policy, | |
5617c6cd | 12475 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12476 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12477 | NL80211_FLAG_NEED_RTNL, |
5727ef1b JB |
12478 | }, |
12479 | { | |
12480 | .cmd = NL80211_CMD_DEL_STATION, | |
12481 | .doit = nl80211_del_station, | |
12482 | .policy = nl80211_policy, | |
5617c6cd | 12483 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12484 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12485 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
12486 | }, |
12487 | { | |
12488 | .cmd = NL80211_CMD_GET_MPATH, | |
12489 | .doit = nl80211_get_mpath, | |
12490 | .dumpit = nl80211_dump_mpath, | |
12491 | .policy = nl80211_policy, | |
5617c6cd | 12492 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12493 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12494 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 | 12495 | }, |
66be7d2b HR |
12496 | { |
12497 | .cmd = NL80211_CMD_GET_MPP, | |
12498 | .doit = nl80211_get_mpp, | |
12499 | .dumpit = nl80211_dump_mpp, | |
12500 | .policy = nl80211_policy, | |
5617c6cd | 12501 | .flags = GENL_UNS_ADMIN_PERM, |
66be7d2b HR |
12502 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12503 | NL80211_FLAG_NEED_RTNL, | |
12504 | }, | |
2ec600d6 LCC |
12505 | { |
12506 | .cmd = NL80211_CMD_SET_MPATH, | |
12507 | .doit = nl80211_set_mpath, | |
12508 | .policy = nl80211_policy, | |
5617c6cd | 12509 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12510 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12511 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
12512 | }, |
12513 | { | |
12514 | .cmd = NL80211_CMD_NEW_MPATH, | |
12515 | .doit = nl80211_new_mpath, | |
12516 | .policy = nl80211_policy, | |
5617c6cd | 12517 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12518 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12519 | NL80211_FLAG_NEED_RTNL, |
2ec600d6 LCC |
12520 | }, |
12521 | { | |
12522 | .cmd = NL80211_CMD_DEL_MPATH, | |
12523 | .doit = nl80211_del_mpath, | |
12524 | .policy = nl80211_policy, | |
5617c6cd | 12525 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12526 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12527 | NL80211_FLAG_NEED_RTNL, |
9f1ba906 JM |
12528 | }, |
12529 | { | |
12530 | .cmd = NL80211_CMD_SET_BSS, | |
12531 | .doit = nl80211_set_bss, | |
12532 | .policy = nl80211_policy, | |
5617c6cd | 12533 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12534 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12535 | NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 12536 | }, |
f130347c LR |
12537 | { |
12538 | .cmd = NL80211_CMD_GET_REG, | |
ad30ca2c AN |
12539 | .doit = nl80211_get_reg_do, |
12540 | .dumpit = nl80211_get_reg_dump, | |
f130347c | 12541 | .policy = nl80211_policy, |
5fe231e8 | 12542 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
f130347c LR |
12543 | /* can be retrieved by unprivileged users */ |
12544 | }, | |
b6863036 | 12545 | #ifdef CONFIG_CFG80211_CRDA_SUPPORT |
b2e1b302 LR |
12546 | { |
12547 | .cmd = NL80211_CMD_SET_REG, | |
12548 | .doit = nl80211_set_reg, | |
12549 | .policy = nl80211_policy, | |
12550 | .flags = GENL_ADMIN_PERM, | |
5fe231e8 | 12551 | .internal_flags = NL80211_FLAG_NEED_RTNL, |
b2e1b302 | 12552 | }, |
b6863036 | 12553 | #endif |
b2e1b302 LR |
12554 | { |
12555 | .cmd = NL80211_CMD_REQ_SET_REG, | |
12556 | .doit = nl80211_req_set_reg, | |
12557 | .policy = nl80211_policy, | |
93da9cc1 | 12558 | .flags = GENL_ADMIN_PERM, |
12559 | }, | |
12560 | { | |
24bdd9f4 JC |
12561 | .cmd = NL80211_CMD_GET_MESH_CONFIG, |
12562 | .doit = nl80211_get_mesh_config, | |
93da9cc1 | 12563 | .policy = nl80211_policy, |
12564 | /* can be retrieved by unprivileged users */ | |
2b5f8b0b | 12565 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12566 | NL80211_FLAG_NEED_RTNL, |
93da9cc1 | 12567 | }, |
12568 | { | |
24bdd9f4 JC |
12569 | .cmd = NL80211_CMD_SET_MESH_CONFIG, |
12570 | .doit = nl80211_update_mesh_config, | |
93da9cc1 | 12571 | .policy = nl80211_policy, |
5617c6cd | 12572 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c | 12573 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12574 | NL80211_FLAG_NEED_RTNL, |
9aed3cc1 | 12575 | }, |
2a519311 JB |
12576 | { |
12577 | .cmd = NL80211_CMD_TRIGGER_SCAN, | |
12578 | .doit = nl80211_trigger_scan, | |
12579 | .policy = nl80211_policy, | |
5617c6cd | 12580 | .flags = GENL_UNS_ADMIN_PERM, |
fd014284 | 12581 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12582 | NL80211_FLAG_NEED_RTNL, |
2a519311 | 12583 | }, |
91d3ab46 VK |
12584 | { |
12585 | .cmd = NL80211_CMD_ABORT_SCAN, | |
12586 | .doit = nl80211_abort_scan, | |
12587 | .policy = nl80211_policy, | |
5617c6cd | 12588 | .flags = GENL_UNS_ADMIN_PERM, |
91d3ab46 VK |
12589 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
12590 | NL80211_FLAG_NEED_RTNL, | |
12591 | }, | |
2a519311 JB |
12592 | { |
12593 | .cmd = NL80211_CMD_GET_SCAN, | |
12594 | .policy = nl80211_policy, | |
12595 | .dumpit = nl80211_dump_scan, | |
12596 | }, | |
807f8a8c LC |
12597 | { |
12598 | .cmd = NL80211_CMD_START_SCHED_SCAN, | |
12599 | .doit = nl80211_start_sched_scan, | |
12600 | .policy = nl80211_policy, | |
5617c6cd | 12601 | .flags = GENL_UNS_ADMIN_PERM, |
807f8a8c LC |
12602 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12603 | NL80211_FLAG_NEED_RTNL, | |
12604 | }, | |
12605 | { | |
12606 | .cmd = NL80211_CMD_STOP_SCHED_SCAN, | |
12607 | .doit = nl80211_stop_sched_scan, | |
12608 | .policy = nl80211_policy, | |
5617c6cd | 12609 | .flags = GENL_UNS_ADMIN_PERM, |
807f8a8c LC |
12610 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12611 | NL80211_FLAG_NEED_RTNL, | |
12612 | }, | |
636a5d36 JM |
12613 | { |
12614 | .cmd = NL80211_CMD_AUTHENTICATE, | |
12615 | .doit = nl80211_authenticate, | |
12616 | .policy = nl80211_policy, | |
5617c6cd | 12617 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12618 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
12619 | NL80211_FLAG_NEED_RTNL | |
12620 | NL80211_FLAG_CLEAR_SKB, | |
636a5d36 JM |
12621 | }, |
12622 | { | |
12623 | .cmd = NL80211_CMD_ASSOCIATE, | |
12624 | .doit = nl80211_associate, | |
12625 | .policy = nl80211_policy, | |
5617c6cd | 12626 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12627 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12628 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
12629 | }, |
12630 | { | |
12631 | .cmd = NL80211_CMD_DEAUTHENTICATE, | |
12632 | .doit = nl80211_deauthenticate, | |
12633 | .policy = nl80211_policy, | |
5617c6cd | 12634 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12635 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12636 | NL80211_FLAG_NEED_RTNL, |
636a5d36 JM |
12637 | }, |
12638 | { | |
12639 | .cmd = NL80211_CMD_DISASSOCIATE, | |
12640 | .doit = nl80211_disassociate, | |
12641 | .policy = nl80211_policy, | |
5617c6cd | 12642 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12643 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12644 | NL80211_FLAG_NEED_RTNL, |
636a5d36 | 12645 | }, |
04a773ad JB |
12646 | { |
12647 | .cmd = NL80211_CMD_JOIN_IBSS, | |
12648 | .doit = nl80211_join_ibss, | |
12649 | .policy = nl80211_policy, | |
5617c6cd | 12650 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12651 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12652 | NL80211_FLAG_NEED_RTNL, |
04a773ad JB |
12653 | }, |
12654 | { | |
12655 | .cmd = NL80211_CMD_LEAVE_IBSS, | |
12656 | .doit = nl80211_leave_ibss, | |
12657 | .policy = nl80211_policy, | |
5617c6cd | 12658 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12659 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12660 | NL80211_FLAG_NEED_RTNL, |
04a773ad | 12661 | }, |
aff89a9b JB |
12662 | #ifdef CONFIG_NL80211_TESTMODE |
12663 | { | |
12664 | .cmd = NL80211_CMD_TESTMODE, | |
12665 | .doit = nl80211_testmode_do, | |
71063f0e | 12666 | .dumpit = nl80211_testmode_dump, |
aff89a9b | 12667 | .policy = nl80211_policy, |
5617c6cd | 12668 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12669 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12670 | NL80211_FLAG_NEED_RTNL, | |
aff89a9b JB |
12671 | }, |
12672 | #endif | |
b23aa676 SO |
12673 | { |
12674 | .cmd = NL80211_CMD_CONNECT, | |
12675 | .doit = nl80211_connect, | |
12676 | .policy = nl80211_policy, | |
5617c6cd | 12677 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12678 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12679 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 12680 | }, |
088e8df8 | 12681 | { |
12682 | .cmd = NL80211_CMD_UPDATE_CONNECT_PARAMS, | |
12683 | .doit = nl80211_update_connect_params, | |
12684 | .policy = nl80211_policy, | |
12685 | .flags = GENL_ADMIN_PERM, | |
12686 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | | |
12687 | NL80211_FLAG_NEED_RTNL, | |
12688 | }, | |
b23aa676 SO |
12689 | { |
12690 | .cmd = NL80211_CMD_DISCONNECT, | |
12691 | .doit = nl80211_disconnect, | |
12692 | .policy = nl80211_policy, | |
5617c6cd | 12693 | .flags = GENL_UNS_ADMIN_PERM, |
41265714 | 12694 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12695 | NL80211_FLAG_NEED_RTNL, |
b23aa676 | 12696 | }, |
463d0183 JB |
12697 | { |
12698 | .cmd = NL80211_CMD_SET_WIPHY_NETNS, | |
12699 | .doit = nl80211_wiphy_netns, | |
12700 | .policy = nl80211_policy, | |
5617c6cd | 12701 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12702 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12703 | NL80211_FLAG_NEED_RTNL, | |
463d0183 | 12704 | }, |
61fa713c HS |
12705 | { |
12706 | .cmd = NL80211_CMD_GET_SURVEY, | |
12707 | .policy = nl80211_policy, | |
12708 | .dumpit = nl80211_dump_survey, | |
12709 | }, | |
67fbb16b SO |
12710 | { |
12711 | .cmd = NL80211_CMD_SET_PMKSA, | |
12712 | .doit = nl80211_setdel_pmksa, | |
12713 | .policy = nl80211_policy, | |
5617c6cd | 12714 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12715 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12716 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
12717 | }, |
12718 | { | |
12719 | .cmd = NL80211_CMD_DEL_PMKSA, | |
12720 | .doit = nl80211_setdel_pmksa, | |
12721 | .policy = nl80211_policy, | |
5617c6cd | 12722 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12723 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12724 | NL80211_FLAG_NEED_RTNL, |
67fbb16b SO |
12725 | }, |
12726 | { | |
12727 | .cmd = NL80211_CMD_FLUSH_PMKSA, | |
12728 | .doit = nl80211_flush_pmksa, | |
12729 | .policy = nl80211_policy, | |
5617c6cd | 12730 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12731 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
4c476991 | 12732 | NL80211_FLAG_NEED_RTNL, |
67fbb16b | 12733 | }, |
9588bbd5 JM |
12734 | { |
12735 | .cmd = NL80211_CMD_REMAIN_ON_CHANNEL, | |
12736 | .doit = nl80211_remain_on_channel, | |
12737 | .policy = nl80211_policy, | |
5617c6cd | 12738 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12739 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12740 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 JM |
12741 | }, |
12742 | { | |
12743 | .cmd = NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, | |
12744 | .doit = nl80211_cancel_remain_on_channel, | |
12745 | .policy = nl80211_policy, | |
5617c6cd | 12746 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12747 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12748 | NL80211_FLAG_NEED_RTNL, |
9588bbd5 | 12749 | }, |
13ae75b1 JM |
12750 | { |
12751 | .cmd = NL80211_CMD_SET_TX_BITRATE_MASK, | |
12752 | .doit = nl80211_set_tx_bitrate_mask, | |
12753 | .policy = nl80211_policy, | |
5617c6cd | 12754 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12755 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12756 | NL80211_FLAG_NEED_RTNL, | |
13ae75b1 | 12757 | }, |
026331c4 | 12758 | { |
2e161f78 JB |
12759 | .cmd = NL80211_CMD_REGISTER_FRAME, |
12760 | .doit = nl80211_register_mgmt, | |
026331c4 | 12761 | .policy = nl80211_policy, |
5617c6cd | 12762 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12763 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
4c476991 | 12764 | NL80211_FLAG_NEED_RTNL, |
026331c4 JM |
12765 | }, |
12766 | { | |
2e161f78 JB |
12767 | .cmd = NL80211_CMD_FRAME, |
12768 | .doit = nl80211_tx_mgmt, | |
026331c4 | 12769 | .policy = nl80211_policy, |
5617c6cd | 12770 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12771 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
f7ca38df JB |
12772 | NL80211_FLAG_NEED_RTNL, |
12773 | }, | |
12774 | { | |
12775 | .cmd = NL80211_CMD_FRAME_WAIT_CANCEL, | |
12776 | .doit = nl80211_tx_mgmt_cancel_wait, | |
12777 | .policy = nl80211_policy, | |
5617c6cd | 12778 | .flags = GENL_UNS_ADMIN_PERM, |
71bbc994 | 12779 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
4c476991 | 12780 | NL80211_FLAG_NEED_RTNL, |
026331c4 | 12781 | }, |
ffb9eb3d KV |
12782 | { |
12783 | .cmd = NL80211_CMD_SET_POWER_SAVE, | |
12784 | .doit = nl80211_set_power_save, | |
12785 | .policy = nl80211_policy, | |
5617c6cd | 12786 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12787 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12788 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d KV |
12789 | }, |
12790 | { | |
12791 | .cmd = NL80211_CMD_GET_POWER_SAVE, | |
12792 | .doit = nl80211_get_power_save, | |
12793 | .policy = nl80211_policy, | |
12794 | /* can be retrieved by unprivileged users */ | |
4c476991 JB |
12795 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12796 | NL80211_FLAG_NEED_RTNL, | |
ffb9eb3d | 12797 | }, |
d6dc1a38 JO |
12798 | { |
12799 | .cmd = NL80211_CMD_SET_CQM, | |
12800 | .doit = nl80211_set_cqm, | |
12801 | .policy = nl80211_policy, | |
5617c6cd | 12802 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12803 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12804 | NL80211_FLAG_NEED_RTNL, | |
d6dc1a38 | 12805 | }, |
f444de05 JB |
12806 | { |
12807 | .cmd = NL80211_CMD_SET_CHANNEL, | |
12808 | .doit = nl80211_set_channel, | |
12809 | .policy = nl80211_policy, | |
5617c6cd | 12810 | .flags = GENL_UNS_ADMIN_PERM, |
4c476991 JB |
12811 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12812 | NL80211_FLAG_NEED_RTNL, | |
f444de05 | 12813 | }, |
e8347eba BJ |
12814 | { |
12815 | .cmd = NL80211_CMD_SET_WDS_PEER, | |
12816 | .doit = nl80211_set_wds_peer, | |
12817 | .policy = nl80211_policy, | |
5617c6cd | 12818 | .flags = GENL_UNS_ADMIN_PERM, |
43b19952 JB |
12819 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12820 | NL80211_FLAG_NEED_RTNL, | |
e8347eba | 12821 | }, |
29cbe68c JB |
12822 | { |
12823 | .cmd = NL80211_CMD_JOIN_MESH, | |
12824 | .doit = nl80211_join_mesh, | |
12825 | .policy = nl80211_policy, | |
5617c6cd | 12826 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c JB |
12827 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12828 | NL80211_FLAG_NEED_RTNL, | |
12829 | }, | |
12830 | { | |
12831 | .cmd = NL80211_CMD_LEAVE_MESH, | |
12832 | .doit = nl80211_leave_mesh, | |
12833 | .policy = nl80211_policy, | |
5617c6cd | 12834 | .flags = GENL_UNS_ADMIN_PERM, |
29cbe68c JB |
12835 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12836 | NL80211_FLAG_NEED_RTNL, | |
12837 | }, | |
6e0bd6c3 RL |
12838 | { |
12839 | .cmd = NL80211_CMD_JOIN_OCB, | |
12840 | .doit = nl80211_join_ocb, | |
12841 | .policy = nl80211_policy, | |
5617c6cd | 12842 | .flags = GENL_UNS_ADMIN_PERM, |
6e0bd6c3 RL |
12843 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12844 | NL80211_FLAG_NEED_RTNL, | |
12845 | }, | |
12846 | { | |
12847 | .cmd = NL80211_CMD_LEAVE_OCB, | |
12848 | .doit = nl80211_leave_ocb, | |
12849 | .policy = nl80211_policy, | |
5617c6cd | 12850 | .flags = GENL_UNS_ADMIN_PERM, |
6e0bd6c3 RL |
12851 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12852 | NL80211_FLAG_NEED_RTNL, | |
12853 | }, | |
dfb89c56 | 12854 | #ifdef CONFIG_PM |
ff1b6e69 JB |
12855 | { |
12856 | .cmd = NL80211_CMD_GET_WOWLAN, | |
12857 | .doit = nl80211_get_wowlan, | |
12858 | .policy = nl80211_policy, | |
12859 | /* can be retrieved by unprivileged users */ | |
12860 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
12861 | NL80211_FLAG_NEED_RTNL, | |
12862 | }, | |
12863 | { | |
12864 | .cmd = NL80211_CMD_SET_WOWLAN, | |
12865 | .doit = nl80211_set_wowlan, | |
12866 | .policy = nl80211_policy, | |
5617c6cd | 12867 | .flags = GENL_UNS_ADMIN_PERM, |
ff1b6e69 JB |
12868 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12869 | NL80211_FLAG_NEED_RTNL, | |
12870 | }, | |
dfb89c56 | 12871 | #endif |
e5497d76 JB |
12872 | { |
12873 | .cmd = NL80211_CMD_SET_REKEY_OFFLOAD, | |
12874 | .doit = nl80211_set_rekey_data, | |
12875 | .policy = nl80211_policy, | |
5617c6cd | 12876 | .flags = GENL_UNS_ADMIN_PERM, |
e5497d76 | 12877 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
5393b917 JB |
12878 | NL80211_FLAG_NEED_RTNL | |
12879 | NL80211_FLAG_CLEAR_SKB, | |
e5497d76 | 12880 | }, |
109086ce AN |
12881 | { |
12882 | .cmd = NL80211_CMD_TDLS_MGMT, | |
12883 | .doit = nl80211_tdls_mgmt, | |
12884 | .policy = nl80211_policy, | |
5617c6cd | 12885 | .flags = GENL_UNS_ADMIN_PERM, |
109086ce AN |
12886 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12887 | NL80211_FLAG_NEED_RTNL, | |
12888 | }, | |
12889 | { | |
12890 | .cmd = NL80211_CMD_TDLS_OPER, | |
12891 | .doit = nl80211_tdls_oper, | |
12892 | .policy = nl80211_policy, | |
5617c6cd | 12893 | .flags = GENL_UNS_ADMIN_PERM, |
109086ce AN |
12894 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
12895 | NL80211_FLAG_NEED_RTNL, | |
12896 | }, | |
28946da7 JB |
12897 | { |
12898 | .cmd = NL80211_CMD_UNEXPECTED_FRAME, | |
12899 | .doit = nl80211_register_unexpected_frame, | |
12900 | .policy = nl80211_policy, | |
5617c6cd | 12901 | .flags = GENL_UNS_ADMIN_PERM, |
28946da7 JB |
12902 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12903 | NL80211_FLAG_NEED_RTNL, | |
12904 | }, | |
7f6cf311 JB |
12905 | { |
12906 | .cmd = NL80211_CMD_PROBE_CLIENT, | |
12907 | .doit = nl80211_probe_client, | |
12908 | .policy = nl80211_policy, | |
5617c6cd | 12909 | .flags = GENL_UNS_ADMIN_PERM, |
2b5f8b0b | 12910 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
7f6cf311 JB |
12911 | NL80211_FLAG_NEED_RTNL, |
12912 | }, | |
5e760230 JB |
12913 | { |
12914 | .cmd = NL80211_CMD_REGISTER_BEACONS, | |
12915 | .doit = nl80211_register_beacons, | |
12916 | .policy = nl80211_policy, | |
5617c6cd | 12917 | .flags = GENL_UNS_ADMIN_PERM, |
5e760230 JB |
12918 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
12919 | NL80211_FLAG_NEED_RTNL, | |
12920 | }, | |
1d9d9213 SW |
12921 | { |
12922 | .cmd = NL80211_CMD_SET_NOACK_MAP, | |
12923 | .doit = nl80211_set_noack_map, | |
12924 | .policy = nl80211_policy, | |
5617c6cd | 12925 | .flags = GENL_UNS_ADMIN_PERM, |
1d9d9213 SW |
12926 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12927 | NL80211_FLAG_NEED_RTNL, | |
12928 | }, | |
98104fde JB |
12929 | { |
12930 | .cmd = NL80211_CMD_START_P2P_DEVICE, | |
12931 | .doit = nl80211_start_p2p_device, | |
12932 | .policy = nl80211_policy, | |
5617c6cd | 12933 | .flags = GENL_UNS_ADMIN_PERM, |
98104fde JB |
12934 | .internal_flags = NL80211_FLAG_NEED_WDEV | |
12935 | NL80211_FLAG_NEED_RTNL, | |
12936 | }, | |
12937 | { | |
12938 | .cmd = NL80211_CMD_STOP_P2P_DEVICE, | |
12939 | .doit = nl80211_stop_p2p_device, | |
12940 | .policy = nl80211_policy, | |
5617c6cd | 12941 | .flags = GENL_UNS_ADMIN_PERM, |
98104fde JB |
12942 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
12943 | NL80211_FLAG_NEED_RTNL, | |
cb3b7d87 AB |
12944 | }, |
12945 | { | |
12946 | .cmd = NL80211_CMD_START_NAN, | |
12947 | .doit = nl80211_start_nan, | |
12948 | .policy = nl80211_policy, | |
12949 | .flags = GENL_ADMIN_PERM, | |
12950 | .internal_flags = NL80211_FLAG_NEED_WDEV | | |
12951 | NL80211_FLAG_NEED_RTNL, | |
12952 | }, | |
12953 | { | |
12954 | .cmd = NL80211_CMD_STOP_NAN, | |
12955 | .doit = nl80211_stop_nan, | |
12956 | .policy = nl80211_policy, | |
12957 | .flags = GENL_ADMIN_PERM, | |
12958 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
12959 | NL80211_FLAG_NEED_RTNL, | |
a442b761 AB |
12960 | }, |
12961 | { | |
12962 | .cmd = NL80211_CMD_ADD_NAN_FUNCTION, | |
12963 | .doit = nl80211_nan_add_func, | |
12964 | .policy = nl80211_policy, | |
12965 | .flags = GENL_ADMIN_PERM, | |
12966 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
12967 | NL80211_FLAG_NEED_RTNL, | |
12968 | }, | |
12969 | { | |
12970 | .cmd = NL80211_CMD_DEL_NAN_FUNCTION, | |
12971 | .doit = nl80211_nan_del_func, | |
12972 | .policy = nl80211_policy, | |
12973 | .flags = GENL_ADMIN_PERM, | |
12974 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
12975 | NL80211_FLAG_NEED_RTNL, | |
a5a9dcf2 AB |
12976 | }, |
12977 | { | |
12978 | .cmd = NL80211_CMD_CHANGE_NAN_CONFIG, | |
12979 | .doit = nl80211_nan_change_config, | |
12980 | .policy = nl80211_policy, | |
12981 | .flags = GENL_ADMIN_PERM, | |
12982 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | | |
12983 | NL80211_FLAG_NEED_RTNL, | |
98104fde | 12984 | }, |
f4e583c8 AQ |
12985 | { |
12986 | .cmd = NL80211_CMD_SET_MCAST_RATE, | |
12987 | .doit = nl80211_set_mcast_rate, | |
77765eaf | 12988 | .policy = nl80211_policy, |
5617c6cd | 12989 | .flags = GENL_UNS_ADMIN_PERM, |
77765eaf VT |
12990 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12991 | NL80211_FLAG_NEED_RTNL, | |
12992 | }, | |
12993 | { | |
12994 | .cmd = NL80211_CMD_SET_MAC_ACL, | |
12995 | .doit = nl80211_set_mac_acl, | |
f4e583c8 | 12996 | .policy = nl80211_policy, |
5617c6cd | 12997 | .flags = GENL_UNS_ADMIN_PERM, |
f4e583c8 AQ |
12998 | .internal_flags = NL80211_FLAG_NEED_NETDEV | |
12999 | NL80211_FLAG_NEED_RTNL, | |
13000 | }, | |
04f39047 SW |
13001 | { |
13002 | .cmd = NL80211_CMD_RADAR_DETECT, | |
13003 | .doit = nl80211_start_radar_detection, | |
13004 | .policy = nl80211_policy, | |
5617c6cd | 13005 | .flags = GENL_UNS_ADMIN_PERM, |
04f39047 SW |
13006 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13007 | NL80211_FLAG_NEED_RTNL, | |
13008 | }, | |
3713b4e3 JB |
13009 | { |
13010 | .cmd = NL80211_CMD_GET_PROTOCOL_FEATURES, | |
13011 | .doit = nl80211_get_protocol_features, | |
13012 | .policy = nl80211_policy, | |
13013 | }, | |
355199e0 JM |
13014 | { |
13015 | .cmd = NL80211_CMD_UPDATE_FT_IES, | |
13016 | .doit = nl80211_update_ft_ies, | |
13017 | .policy = nl80211_policy, | |
5617c6cd | 13018 | .flags = GENL_UNS_ADMIN_PERM, |
355199e0 JM |
13019 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13020 | NL80211_FLAG_NEED_RTNL, | |
13021 | }, | |
5de17984 AS |
13022 | { |
13023 | .cmd = NL80211_CMD_CRIT_PROTOCOL_START, | |
13024 | .doit = nl80211_crit_protocol_start, | |
13025 | .policy = nl80211_policy, | |
5617c6cd | 13026 | .flags = GENL_UNS_ADMIN_PERM, |
5de17984 AS |
13027 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
13028 | NL80211_FLAG_NEED_RTNL, | |
13029 | }, | |
13030 | { | |
13031 | .cmd = NL80211_CMD_CRIT_PROTOCOL_STOP, | |
13032 | .doit = nl80211_crit_protocol_stop, | |
13033 | .policy = nl80211_policy, | |
5617c6cd | 13034 | .flags = GENL_UNS_ADMIN_PERM, |
5de17984 AS |
13035 | .internal_flags = NL80211_FLAG_NEED_WDEV_UP | |
13036 | NL80211_FLAG_NEED_RTNL, | |
be29b99a AK |
13037 | }, |
13038 | { | |
13039 | .cmd = NL80211_CMD_GET_COALESCE, | |
13040 | .doit = nl80211_get_coalesce, | |
13041 | .policy = nl80211_policy, | |
13042 | .internal_flags = NL80211_FLAG_NEED_WIPHY | | |
13043 | NL80211_FLAG_NEED_RTNL, | |
13044 | }, | |
13045 | { | |
13046 | .cmd = NL80211_CMD_SET_COALESCE, | |
13047 | .doit = nl80211_set_coalesce, | |
13048 | .policy = nl80211_policy, | |
5617c6cd | 13049 | .flags = GENL_UNS_ADMIN_PERM, |
be29b99a AK |
13050 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
13051 | NL80211_FLAG_NEED_RTNL, | |
16ef1fe2 SW |
13052 | }, |
13053 | { | |
13054 | .cmd = NL80211_CMD_CHANNEL_SWITCH, | |
13055 | .doit = nl80211_channel_switch, | |
13056 | .policy = nl80211_policy, | |
5617c6cd | 13057 | .flags = GENL_UNS_ADMIN_PERM, |
16ef1fe2 SW |
13058 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13059 | NL80211_FLAG_NEED_RTNL, | |
13060 | }, | |
ad7e718c JB |
13061 | { |
13062 | .cmd = NL80211_CMD_VENDOR, | |
13063 | .doit = nl80211_vendor_cmd, | |
7bdbe400 | 13064 | .dumpit = nl80211_vendor_cmd_dump, |
ad7e718c | 13065 | .policy = nl80211_policy, |
5617c6cd | 13066 | .flags = GENL_UNS_ADMIN_PERM, |
ad7e718c JB |
13067 | .internal_flags = NL80211_FLAG_NEED_WIPHY | |
13068 | NL80211_FLAG_NEED_RTNL, | |
13069 | }, | |
fa9ffc74 KP |
13070 | { |
13071 | .cmd = NL80211_CMD_SET_QOS_MAP, | |
13072 | .doit = nl80211_set_qos_map, | |
13073 | .policy = nl80211_policy, | |
5617c6cd | 13074 | .flags = GENL_UNS_ADMIN_PERM, |
fa9ffc74 KP |
13075 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13076 | NL80211_FLAG_NEED_RTNL, | |
13077 | }, | |
960d01ac JB |
13078 | { |
13079 | .cmd = NL80211_CMD_ADD_TX_TS, | |
13080 | .doit = nl80211_add_tx_ts, | |
13081 | .policy = nl80211_policy, | |
5617c6cd | 13082 | .flags = GENL_UNS_ADMIN_PERM, |
960d01ac JB |
13083 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13084 | NL80211_FLAG_NEED_RTNL, | |
13085 | }, | |
13086 | { | |
13087 | .cmd = NL80211_CMD_DEL_TX_TS, | |
13088 | .doit = nl80211_del_tx_ts, | |
13089 | .policy = nl80211_policy, | |
5617c6cd | 13090 | .flags = GENL_UNS_ADMIN_PERM, |
960d01ac JB |
13091 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13092 | NL80211_FLAG_NEED_RTNL, | |
13093 | }, | |
1057d35e AN |
13094 | { |
13095 | .cmd = NL80211_CMD_TDLS_CHANNEL_SWITCH, | |
13096 | .doit = nl80211_tdls_channel_switch, | |
13097 | .policy = nl80211_policy, | |
5617c6cd | 13098 | .flags = GENL_UNS_ADMIN_PERM, |
1057d35e AN |
13099 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13100 | NL80211_FLAG_NEED_RTNL, | |
13101 | }, | |
13102 | { | |
13103 | .cmd = NL80211_CMD_TDLS_CANCEL_CHANNEL_SWITCH, | |
13104 | .doit = nl80211_tdls_cancel_channel_switch, | |
13105 | .policy = nl80211_policy, | |
5617c6cd | 13106 | .flags = GENL_UNS_ADMIN_PERM, |
1057d35e AN |
13107 | .internal_flags = NL80211_FLAG_NEED_NETDEV_UP | |
13108 | NL80211_FLAG_NEED_RTNL, | |
13109 | }, | |
ce0ce13a MB |
13110 | { |
13111 | .cmd = NL80211_CMD_SET_MULTICAST_TO_UNICAST, | |
13112 | .doit = nl80211_set_multicast_to_unicast, | |
13113 | .policy = nl80211_policy, | |
13114 | .flags = GENL_UNS_ADMIN_PERM, | |
13115 | .internal_flags = NL80211_FLAG_NEED_NETDEV | | |
13116 | NL80211_FLAG_NEED_RTNL, | |
13117 | }, | |
55682965 | 13118 | }; |
9588bbd5 | 13119 | |
56989f6d | 13120 | static struct genl_family nl80211_fam __ro_after_init = { |
489111e5 JB |
13121 | .name = NL80211_GENL_NAME, /* have users key off the name instead */ |
13122 | .hdrsize = 0, /* no private header */ | |
13123 | .version = 1, /* no particular meaning now */ | |
13124 | .maxattr = NL80211_ATTR_MAX, | |
13125 | .netnsok = true, | |
13126 | .pre_doit = nl80211_pre_doit, | |
13127 | .post_doit = nl80211_post_doit, | |
13128 | .module = THIS_MODULE, | |
13129 | .ops = nl80211_ops, | |
13130 | .n_ops = ARRAY_SIZE(nl80211_ops), | |
13131 | .mcgrps = nl80211_mcgrps, | |
13132 | .n_mcgrps = ARRAY_SIZE(nl80211_mcgrps), | |
13133 | }; | |
13134 | ||
55682965 JB |
13135 | /* notification functions */ |
13136 | ||
3bb20556 JB |
13137 | void nl80211_notify_wiphy(struct cfg80211_registered_device *rdev, |
13138 | enum nl80211_commands cmd) | |
55682965 JB |
13139 | { |
13140 | struct sk_buff *msg; | |
86e8cf98 | 13141 | struct nl80211_dump_wiphy_state state = {}; |
55682965 | 13142 | |
3bb20556 JB |
13143 | WARN_ON(cmd != NL80211_CMD_NEW_WIPHY && |
13144 | cmd != NL80211_CMD_DEL_WIPHY); | |
13145 | ||
fd2120ca | 13146 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
55682965 JB |
13147 | if (!msg) |
13148 | return; | |
13149 | ||
3bb20556 | 13150 | if (nl80211_send_wiphy(rdev, cmd, msg, 0, 0, 0, &state) < 0) { |
55682965 JB |
13151 | nlmsg_free(msg); |
13152 | return; | |
13153 | } | |
13154 | ||
68eb5503 | 13155 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13156 | NL80211_MCGRP_CONFIG, GFP_KERNEL); |
55682965 JB |
13157 | } |
13158 | ||
896ff063 DK |
13159 | void nl80211_notify_iface(struct cfg80211_registered_device *rdev, |
13160 | struct wireless_dev *wdev, | |
13161 | enum nl80211_commands cmd) | |
13162 | { | |
13163 | struct sk_buff *msg; | |
13164 | ||
13165 | WARN_ON(cmd != NL80211_CMD_NEW_INTERFACE && | |
13166 | cmd != NL80211_CMD_DEL_INTERFACE); | |
13167 | ||
13168 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
13169 | if (!msg) | |
13170 | return; | |
13171 | ||
13172 | if (nl80211_send_iface(msg, 0, 0, 0, rdev, wdev, | |
13173 | cmd == NL80211_CMD_DEL_INTERFACE) < 0) { | |
13174 | nlmsg_free(msg); | |
13175 | return; | |
13176 | } | |
13177 | ||
13178 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, | |
13179 | NL80211_MCGRP_CONFIG, GFP_KERNEL); | |
13180 | } | |
13181 | ||
362a415d JB |
13182 | static int nl80211_add_scan_req(struct sk_buff *msg, |
13183 | struct cfg80211_registered_device *rdev) | |
13184 | { | |
13185 | struct cfg80211_scan_request *req = rdev->scan_req; | |
13186 | struct nlattr *nest; | |
13187 | int i; | |
13188 | ||
13189 | if (WARN_ON(!req)) | |
13190 | return 0; | |
13191 | ||
13192 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_SSIDS); | |
13193 | if (!nest) | |
13194 | goto nla_put_failure; | |
9360ffd1 DM |
13195 | for (i = 0; i < req->n_ssids; i++) { |
13196 | if (nla_put(msg, i, req->ssids[i].ssid_len, req->ssids[i].ssid)) | |
13197 | goto nla_put_failure; | |
13198 | } | |
362a415d JB |
13199 | nla_nest_end(msg, nest); |
13200 | ||
13201 | nest = nla_nest_start(msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
13202 | if (!nest) | |
13203 | goto nla_put_failure; | |
9360ffd1 DM |
13204 | for (i = 0; i < req->n_channels; i++) { |
13205 | if (nla_put_u32(msg, i, req->channels[i]->center_freq)) | |
13206 | goto nla_put_failure; | |
13207 | } | |
362a415d JB |
13208 | nla_nest_end(msg, nest); |
13209 | ||
9360ffd1 DM |
13210 | if (req->ie && |
13211 | nla_put(msg, NL80211_ATTR_IE, req->ie_len, req->ie)) | |
13212 | goto nla_put_failure; | |
362a415d | 13213 | |
ae917c9f JB |
13214 | if (req->flags && |
13215 | nla_put_u32(msg, NL80211_ATTR_SCAN_FLAGS, req->flags)) | |
13216 | goto nla_put_failure; | |
ed473771 | 13217 | |
1d76250b AS |
13218 | if (req->info.scan_start_tsf && |
13219 | (nla_put_u64_64bit(msg, NL80211_ATTR_SCAN_START_TIME_TSF, | |
13220 | req->info.scan_start_tsf, NL80211_BSS_PAD) || | |
13221 | nla_put(msg, NL80211_ATTR_SCAN_START_TIME_TSF_BSSID, ETH_ALEN, | |
13222 | req->info.tsf_bssid))) | |
13223 | goto nla_put_failure; | |
13224 | ||
362a415d JB |
13225 | return 0; |
13226 | nla_put_failure: | |
13227 | return -ENOBUFS; | |
13228 | } | |
13229 | ||
505a2e88 | 13230 | static int nl80211_prep_scan_msg(struct sk_buff *msg, |
a538e2d5 | 13231 | struct cfg80211_registered_device *rdev, |
fd014284 | 13232 | struct wireless_dev *wdev, |
15e47304 | 13233 | u32 portid, u32 seq, int flags, |
a538e2d5 | 13234 | u32 cmd) |
2a519311 JB |
13235 | { |
13236 | void *hdr; | |
13237 | ||
15e47304 | 13238 | hdr = nl80211hdr_put(msg, portid, seq, flags, cmd); |
2a519311 JB |
13239 | if (!hdr) |
13240 | return -1; | |
13241 | ||
9360ffd1 | 13242 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
fd014284 JB |
13243 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
13244 | wdev->netdev->ifindex)) || | |
2dad624e ND |
13245 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
13246 | NL80211_ATTR_PAD)) | |
9360ffd1 | 13247 | goto nla_put_failure; |
2a519311 | 13248 | |
362a415d JB |
13249 | /* ignore errors and send incomplete event anyway */ |
13250 | nl80211_add_scan_req(msg, rdev); | |
2a519311 | 13251 | |
053c095a JB |
13252 | genlmsg_end(msg, hdr); |
13253 | return 0; | |
2a519311 JB |
13254 | |
13255 | nla_put_failure: | |
13256 | genlmsg_cancel(msg, hdr); | |
13257 | return -EMSGSIZE; | |
13258 | } | |
13259 | ||
807f8a8c | 13260 | static int |
505a2e88 | 13261 | nl80211_prep_sched_scan_msg(struct sk_buff *msg, |
96b08fd6 | 13262 | struct cfg80211_sched_scan_request *req, u32 cmd) |
807f8a8c LC |
13263 | { |
13264 | void *hdr; | |
13265 | ||
96b08fd6 | 13266 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
807f8a8c LC |
13267 | if (!hdr) |
13268 | return -1; | |
13269 | ||
96b08fd6 AVS |
13270 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, |
13271 | wiphy_to_rdev(req->wiphy)->wiphy_idx) || | |
13272 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, req->dev->ifindex) || | |
13273 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, req->reqid, | |
13274 | NL80211_ATTR_PAD)) | |
9360ffd1 | 13275 | goto nla_put_failure; |
807f8a8c | 13276 | |
053c095a JB |
13277 | genlmsg_end(msg, hdr); |
13278 | return 0; | |
807f8a8c LC |
13279 | |
13280 | nla_put_failure: | |
13281 | genlmsg_cancel(msg, hdr); | |
13282 | return -EMSGSIZE; | |
13283 | } | |
13284 | ||
a538e2d5 | 13285 | void nl80211_send_scan_start(struct cfg80211_registered_device *rdev, |
fd014284 | 13286 | struct wireless_dev *wdev) |
a538e2d5 JB |
13287 | { |
13288 | struct sk_buff *msg; | |
13289 | ||
58050fce | 13290 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
a538e2d5 JB |
13291 | if (!msg) |
13292 | return; | |
13293 | ||
505a2e88 | 13294 | if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0, |
a538e2d5 JB |
13295 | NL80211_CMD_TRIGGER_SCAN) < 0) { |
13296 | nlmsg_free(msg); | |
13297 | return; | |
13298 | } | |
13299 | ||
68eb5503 | 13300 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13301 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
a538e2d5 JB |
13302 | } |
13303 | ||
f9d15d16 JB |
13304 | struct sk_buff *nl80211_build_scan_msg(struct cfg80211_registered_device *rdev, |
13305 | struct wireless_dev *wdev, bool aborted) | |
2a519311 JB |
13306 | { |
13307 | struct sk_buff *msg; | |
13308 | ||
fd2120ca | 13309 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
2a519311 | 13310 | if (!msg) |
f9d15d16 | 13311 | return NULL; |
2a519311 | 13312 | |
505a2e88 | 13313 | if (nl80211_prep_scan_msg(msg, rdev, wdev, 0, 0, 0, |
f9d15d16 JB |
13314 | aborted ? NL80211_CMD_SCAN_ABORTED : |
13315 | NL80211_CMD_NEW_SCAN_RESULTS) < 0) { | |
2a519311 | 13316 | nlmsg_free(msg); |
f9d15d16 | 13317 | return NULL; |
2a519311 JB |
13318 | } |
13319 | ||
f9d15d16 | 13320 | return msg; |
2a519311 JB |
13321 | } |
13322 | ||
505a2e88 AVS |
13323 | /* send message created by nl80211_build_scan_msg() */ |
13324 | void nl80211_send_scan_msg(struct cfg80211_registered_device *rdev, | |
13325 | struct sk_buff *msg) | |
807f8a8c | 13326 | { |
807f8a8c LC |
13327 | if (!msg) |
13328 | return; | |
13329 | ||
68eb5503 | 13330 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13331 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
13332 | } |
13333 | ||
96b08fd6 | 13334 | void nl80211_send_sched_scan(struct cfg80211_sched_scan_request *req, u32 cmd) |
807f8a8c LC |
13335 | { |
13336 | struct sk_buff *msg; | |
13337 | ||
58050fce | 13338 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); |
807f8a8c LC |
13339 | if (!msg) |
13340 | return; | |
13341 | ||
96b08fd6 | 13342 | if (nl80211_prep_sched_scan_msg(msg, req, cmd) < 0) { |
807f8a8c LC |
13343 | nlmsg_free(msg); |
13344 | return; | |
13345 | } | |
13346 | ||
96b08fd6 | 13347 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(req->wiphy), msg, 0, |
2a94fe48 | 13348 | NL80211_MCGRP_SCAN, GFP_KERNEL); |
807f8a8c LC |
13349 | } |
13350 | ||
b0d7aa59 JD |
13351 | static bool nl80211_reg_change_event_fill(struct sk_buff *msg, |
13352 | struct regulatory_request *request) | |
73d54c9e | 13353 | { |
73d54c9e | 13354 | /* Userspace can always count this one always being set */ |
9360ffd1 DM |
13355 | if (nla_put_u8(msg, NL80211_ATTR_REG_INITIATOR, request->initiator)) |
13356 | goto nla_put_failure; | |
13357 | ||
13358 | if (request->alpha2[0] == '0' && request->alpha2[1] == '0') { | |
13359 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
13360 | NL80211_REGDOM_TYPE_WORLD)) | |
13361 | goto nla_put_failure; | |
13362 | } else if (request->alpha2[0] == '9' && request->alpha2[1] == '9') { | |
13363 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
13364 | NL80211_REGDOM_TYPE_CUSTOM_WORLD)) | |
13365 | goto nla_put_failure; | |
13366 | } else if ((request->alpha2[0] == '9' && request->alpha2[1] == '8') || | |
13367 | request->intersect) { | |
13368 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
13369 | NL80211_REGDOM_TYPE_INTERSECTION)) | |
13370 | goto nla_put_failure; | |
13371 | } else { | |
13372 | if (nla_put_u8(msg, NL80211_ATTR_REG_TYPE, | |
13373 | NL80211_REGDOM_TYPE_COUNTRY) || | |
13374 | nla_put_string(msg, NL80211_ATTR_REG_ALPHA2, | |
13375 | request->alpha2)) | |
13376 | goto nla_put_failure; | |
13377 | } | |
13378 | ||
ad30ca2c AN |
13379 | if (request->wiphy_idx != WIPHY_IDX_INVALID) { |
13380 | struct wiphy *wiphy = wiphy_idx_to_wiphy(request->wiphy_idx); | |
13381 | ||
13382 | if (wiphy && | |
13383 | nla_put_u32(msg, NL80211_ATTR_WIPHY, request->wiphy_idx)) | |
13384 | goto nla_put_failure; | |
1bdd716c AN |
13385 | |
13386 | if (wiphy && | |
13387 | wiphy->regulatory_flags & REGULATORY_WIPHY_SELF_MANAGED && | |
13388 | nla_put_flag(msg, NL80211_ATTR_WIPHY_SELF_MANAGED_REG)) | |
13389 | goto nla_put_failure; | |
ad30ca2c | 13390 | } |
73d54c9e | 13391 | |
b0d7aa59 JD |
13392 | return true; |
13393 | ||
13394 | nla_put_failure: | |
13395 | return false; | |
13396 | } | |
13397 | ||
13398 | /* | |
13399 | * This can happen on global regulatory changes or device specific settings | |
13400 | * based on custom regulatory domains. | |
13401 | */ | |
13402 | void nl80211_common_reg_change_event(enum nl80211_commands cmd_id, | |
13403 | struct regulatory_request *request) | |
13404 | { | |
13405 | struct sk_buff *msg; | |
13406 | void *hdr; | |
13407 | ||
13408 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
13409 | if (!msg) | |
13410 | return; | |
13411 | ||
13412 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd_id); | |
13413 | if (!hdr) { | |
13414 | nlmsg_free(msg); | |
13415 | return; | |
13416 | } | |
13417 | ||
13418 | if (nl80211_reg_change_event_fill(msg, request) == false) | |
13419 | goto nla_put_failure; | |
13420 | ||
3b7b72ee | 13421 | genlmsg_end(msg, hdr); |
73d54c9e | 13422 | |
bc43b28c | 13423 | rcu_read_lock(); |
68eb5503 | 13424 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 13425 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
bc43b28c | 13426 | rcu_read_unlock(); |
73d54c9e LR |
13427 | |
13428 | return; | |
13429 | ||
13430 | nla_put_failure: | |
13431 | genlmsg_cancel(msg, hdr); | |
13432 | nlmsg_free(msg); | |
13433 | } | |
13434 | ||
6039f6d2 JM |
13435 | static void nl80211_send_mlme_event(struct cfg80211_registered_device *rdev, |
13436 | struct net_device *netdev, | |
13437 | const u8 *buf, size_t len, | |
b0b6aa2c EP |
13438 | enum nl80211_commands cmd, gfp_t gfp, |
13439 | int uapsd_queues) | |
6039f6d2 JM |
13440 | { |
13441 | struct sk_buff *msg; | |
13442 | void *hdr; | |
13443 | ||
4ef8c1c9 | 13444 | msg = nlmsg_new(100 + len, gfp); |
6039f6d2 JM |
13445 | if (!msg) |
13446 | return; | |
13447 | ||
13448 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
13449 | if (!hdr) { | |
13450 | nlmsg_free(msg); | |
13451 | return; | |
13452 | } | |
13453 | ||
9360ffd1 DM |
13454 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13455 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13456 | nla_put(msg, NL80211_ATTR_FRAME, len, buf)) | |
13457 | goto nla_put_failure; | |
6039f6d2 | 13458 | |
b0b6aa2c EP |
13459 | if (uapsd_queues >= 0) { |
13460 | struct nlattr *nla_wmm = | |
13461 | nla_nest_start(msg, NL80211_ATTR_STA_WME); | |
13462 | if (!nla_wmm) | |
13463 | goto nla_put_failure; | |
13464 | ||
13465 | if (nla_put_u8(msg, NL80211_STA_WME_UAPSD_QUEUES, | |
13466 | uapsd_queues)) | |
13467 | goto nla_put_failure; | |
13468 | ||
13469 | nla_nest_end(msg, nla_wmm); | |
13470 | } | |
13471 | ||
3b7b72ee | 13472 | genlmsg_end(msg, hdr); |
6039f6d2 | 13473 | |
68eb5503 | 13474 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13475 | NL80211_MCGRP_MLME, gfp); |
6039f6d2 JM |
13476 | return; |
13477 | ||
13478 | nla_put_failure: | |
13479 | genlmsg_cancel(msg, hdr); | |
13480 | nlmsg_free(msg); | |
13481 | } | |
13482 | ||
13483 | void nl80211_send_rx_auth(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
13484 | struct net_device *netdev, const u8 *buf, |
13485 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
13486 | { |
13487 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 13488 | NL80211_CMD_AUTHENTICATE, gfp, -1); |
6039f6d2 JM |
13489 | } |
13490 | ||
13491 | void nl80211_send_rx_assoc(struct cfg80211_registered_device *rdev, | |
13492 | struct net_device *netdev, const u8 *buf, | |
b0b6aa2c | 13493 | size_t len, gfp_t gfp, int uapsd_queues) |
6039f6d2 | 13494 | { |
e6d6e342 | 13495 | nl80211_send_mlme_event(rdev, netdev, buf, len, |
b0b6aa2c | 13496 | NL80211_CMD_ASSOCIATE, gfp, uapsd_queues); |
6039f6d2 JM |
13497 | } |
13498 | ||
53b46b84 | 13499 | void nl80211_send_deauth(struct cfg80211_registered_device *rdev, |
e6d6e342 JB |
13500 | struct net_device *netdev, const u8 *buf, |
13501 | size_t len, gfp_t gfp) | |
6039f6d2 JM |
13502 | { |
13503 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 13504 | NL80211_CMD_DEAUTHENTICATE, gfp, -1); |
6039f6d2 JM |
13505 | } |
13506 | ||
53b46b84 JM |
13507 | void nl80211_send_disassoc(struct cfg80211_registered_device *rdev, |
13508 | struct net_device *netdev, const u8 *buf, | |
e6d6e342 | 13509 | size_t len, gfp_t gfp) |
6039f6d2 JM |
13510 | { |
13511 | nl80211_send_mlme_event(rdev, netdev, buf, len, | |
b0b6aa2c | 13512 | NL80211_CMD_DISASSOCIATE, gfp, -1); |
6039f6d2 JM |
13513 | } |
13514 | ||
6ff57cf8 JB |
13515 | void cfg80211_rx_unprot_mlme_mgmt(struct net_device *dev, const u8 *buf, |
13516 | size_t len) | |
cf4e594e | 13517 | { |
947add36 JB |
13518 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
13519 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 13520 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
6ff57cf8 JB |
13521 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
13522 | u32 cmd; | |
947add36 | 13523 | |
6ff57cf8 JB |
13524 | if (WARN_ON(len < 2)) |
13525 | return; | |
cf4e594e | 13526 | |
6ff57cf8 JB |
13527 | if (ieee80211_is_deauth(mgmt->frame_control)) |
13528 | cmd = NL80211_CMD_UNPROT_DEAUTHENTICATE; | |
13529 | else | |
13530 | cmd = NL80211_CMD_UNPROT_DISASSOCIATE; | |
947add36 | 13531 | |
6ff57cf8 | 13532 | trace_cfg80211_rx_unprot_mlme_mgmt(dev, buf, len); |
b0b6aa2c | 13533 | nl80211_send_mlme_event(rdev, dev, buf, len, cmd, GFP_ATOMIC, -1); |
cf4e594e | 13534 | } |
6ff57cf8 | 13535 | EXPORT_SYMBOL(cfg80211_rx_unprot_mlme_mgmt); |
cf4e594e | 13536 | |
1b06bb40 LR |
13537 | static void nl80211_send_mlme_timeout(struct cfg80211_registered_device *rdev, |
13538 | struct net_device *netdev, int cmd, | |
e6d6e342 | 13539 | const u8 *addr, gfp_t gfp) |
1965c853 JM |
13540 | { |
13541 | struct sk_buff *msg; | |
13542 | void *hdr; | |
13543 | ||
e6d6e342 | 13544 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
1965c853 JM |
13545 | if (!msg) |
13546 | return; | |
13547 | ||
13548 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
13549 | if (!hdr) { | |
13550 | nlmsg_free(msg); | |
13551 | return; | |
13552 | } | |
13553 | ||
9360ffd1 DM |
13554 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13555 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13556 | nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || | |
13557 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
13558 | goto nla_put_failure; | |
1965c853 | 13559 | |
3b7b72ee | 13560 | genlmsg_end(msg, hdr); |
1965c853 | 13561 | |
68eb5503 | 13562 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13563 | NL80211_MCGRP_MLME, gfp); |
1965c853 JM |
13564 | return; |
13565 | ||
13566 | nla_put_failure: | |
13567 | genlmsg_cancel(msg, hdr); | |
13568 | nlmsg_free(msg); | |
13569 | } | |
13570 | ||
13571 | void nl80211_send_auth_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
13572 | struct net_device *netdev, const u8 *addr, |
13573 | gfp_t gfp) | |
1965c853 JM |
13574 | { |
13575 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_AUTHENTICATE, | |
e6d6e342 | 13576 | addr, gfp); |
1965c853 JM |
13577 | } |
13578 | ||
13579 | void nl80211_send_assoc_timeout(struct cfg80211_registered_device *rdev, | |
e6d6e342 JB |
13580 | struct net_device *netdev, const u8 *addr, |
13581 | gfp_t gfp) | |
1965c853 | 13582 | { |
e6d6e342 JB |
13583 | nl80211_send_mlme_timeout(rdev, netdev, NL80211_CMD_ASSOCIATE, |
13584 | addr, gfp); | |
1965c853 JM |
13585 | } |
13586 | ||
b23aa676 | 13587 | void nl80211_send_connect_result(struct cfg80211_registered_device *rdev, |
5349a0f7 VK |
13588 | struct net_device *netdev, |
13589 | struct cfg80211_connect_resp_params *cr, | |
3093ebbe | 13590 | gfp_t gfp) |
b23aa676 SO |
13591 | { |
13592 | struct sk_buff *msg; | |
13593 | void *hdr; | |
13594 | ||
a3caf744 VK |
13595 | msg = nlmsg_new(100 + cr->req_ie_len + cr->resp_ie_len + |
13596 | cr->fils_kek_len + cr->pmk_len + | |
13597 | (cr->pmkid ? WLAN_PMKID_LEN : 0), gfp); | |
b23aa676 SO |
13598 | if (!msg) |
13599 | return; | |
13600 | ||
13601 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONNECT); | |
13602 | if (!hdr) { | |
13603 | nlmsg_free(msg); | |
13604 | return; | |
13605 | } | |
13606 | ||
9360ffd1 DM |
13607 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13608 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
5349a0f7 VK |
13609 | (cr->bssid && |
13610 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, cr->bssid)) || | |
bf1ecd21 | 13611 | nla_put_u16(msg, NL80211_ATTR_STATUS_CODE, |
5349a0f7 VK |
13612 | cr->status < 0 ? WLAN_STATUS_UNSPECIFIED_FAILURE : |
13613 | cr->status) || | |
13614 | (cr->status < 0 && | |
3093ebbe | 13615 | (nla_put_flag(msg, NL80211_ATTR_TIMED_OUT) || |
5349a0f7 VK |
13616 | nla_put_u32(msg, NL80211_ATTR_TIMEOUT_REASON, |
13617 | cr->timeout_reason))) || | |
13618 | (cr->req_ie && | |
13619 | nla_put(msg, NL80211_ATTR_REQ_IE, cr->req_ie_len, cr->req_ie)) || | |
13620 | (cr->resp_ie && | |
13621 | nla_put(msg, NL80211_ATTR_RESP_IE, cr->resp_ie_len, | |
a3caf744 VK |
13622 | cr->resp_ie)) || |
13623 | (cr->update_erp_next_seq_num && | |
13624 | nla_put_u16(msg, NL80211_ATTR_FILS_ERP_NEXT_SEQ_NUM, | |
13625 | cr->fils_erp_next_seq_num)) || | |
13626 | (cr->status == WLAN_STATUS_SUCCESS && | |
13627 | ((cr->fils_kek && | |
13628 | nla_put(msg, NL80211_ATTR_FILS_KEK, cr->fils_kek_len, | |
13629 | cr->fils_kek)) || | |
13630 | (cr->pmk && | |
13631 | nla_put(msg, NL80211_ATTR_PMK, cr->pmk_len, cr->pmk)) || | |
13632 | (cr->pmkid && | |
13633 | nla_put(msg, NL80211_ATTR_PMKID, WLAN_PMKID_LEN, cr->pmkid))))) | |
9360ffd1 | 13634 | goto nla_put_failure; |
b23aa676 | 13635 | |
3b7b72ee | 13636 | genlmsg_end(msg, hdr); |
b23aa676 | 13637 | |
68eb5503 | 13638 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13639 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
13640 | return; |
13641 | ||
13642 | nla_put_failure: | |
13643 | genlmsg_cancel(msg, hdr); | |
13644 | nlmsg_free(msg); | |
b23aa676 SO |
13645 | } |
13646 | ||
13647 | void nl80211_send_roamed(struct cfg80211_registered_device *rdev, | |
29ce6ecb AS |
13648 | struct net_device *netdev, |
13649 | struct cfg80211_roam_info *info, gfp_t gfp) | |
b23aa676 SO |
13650 | { |
13651 | struct sk_buff *msg; | |
13652 | void *hdr; | |
29ce6ecb | 13653 | const u8 *bssid = info->bss ? info->bss->bssid : info->bssid; |
b23aa676 | 13654 | |
29ce6ecb | 13655 | msg = nlmsg_new(100 + info->req_ie_len + info->resp_ie_len, gfp); |
b23aa676 SO |
13656 | if (!msg) |
13657 | return; | |
13658 | ||
13659 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_ROAM); | |
13660 | if (!hdr) { | |
13661 | nlmsg_free(msg); | |
13662 | return; | |
13663 | } | |
13664 | ||
9360ffd1 DM |
13665 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13666 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13667 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid) || | |
29ce6ecb AS |
13668 | (info->req_ie && |
13669 | nla_put(msg, NL80211_ATTR_REQ_IE, info->req_ie_len, | |
13670 | info->req_ie)) || | |
13671 | (info->resp_ie && | |
13672 | nla_put(msg, NL80211_ATTR_RESP_IE, info->resp_ie_len, | |
13673 | info->resp_ie))) | |
9360ffd1 | 13674 | goto nla_put_failure; |
b23aa676 | 13675 | |
3b7b72ee | 13676 | genlmsg_end(msg, hdr); |
b23aa676 | 13677 | |
68eb5503 | 13678 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13679 | NL80211_MCGRP_MLME, gfp); |
b23aa676 SO |
13680 | return; |
13681 | ||
13682 | nla_put_failure: | |
13683 | genlmsg_cancel(msg, hdr); | |
13684 | nlmsg_free(msg); | |
b23aa676 SO |
13685 | } |
13686 | ||
13687 | void nl80211_send_disconnected(struct cfg80211_registered_device *rdev, | |
13688 | struct net_device *netdev, u16 reason, | |
667503dd | 13689 | const u8 *ie, size_t ie_len, bool from_ap) |
b23aa676 SO |
13690 | { |
13691 | struct sk_buff *msg; | |
13692 | void *hdr; | |
13693 | ||
4ef8c1c9 | 13694 | msg = nlmsg_new(100 + ie_len, GFP_KERNEL); |
b23aa676 SO |
13695 | if (!msg) |
13696 | return; | |
13697 | ||
13698 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_DISCONNECT); | |
13699 | if (!hdr) { | |
13700 | nlmsg_free(msg); | |
13701 | return; | |
13702 | } | |
13703 | ||
9360ffd1 DM |
13704 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13705 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13706 | (from_ap && reason && | |
13707 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason)) || | |
13708 | (from_ap && | |
13709 | nla_put_flag(msg, NL80211_ATTR_DISCONNECTED_BY_AP)) || | |
13710 | (ie && nla_put(msg, NL80211_ATTR_IE, ie_len, ie))) | |
13711 | goto nla_put_failure; | |
b23aa676 | 13712 | |
3b7b72ee | 13713 | genlmsg_end(msg, hdr); |
b23aa676 | 13714 | |
68eb5503 | 13715 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13716 | NL80211_MCGRP_MLME, GFP_KERNEL); |
b23aa676 SO |
13717 | return; |
13718 | ||
13719 | nla_put_failure: | |
13720 | genlmsg_cancel(msg, hdr); | |
13721 | nlmsg_free(msg); | |
b23aa676 SO |
13722 | } |
13723 | ||
04a773ad JB |
13724 | void nl80211_send_ibss_bssid(struct cfg80211_registered_device *rdev, |
13725 | struct net_device *netdev, const u8 *bssid, | |
13726 | gfp_t gfp) | |
13727 | { | |
13728 | struct sk_buff *msg; | |
13729 | void *hdr; | |
13730 | ||
fd2120ca | 13731 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
04a773ad JB |
13732 | if (!msg) |
13733 | return; | |
13734 | ||
13735 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_JOIN_IBSS); | |
13736 | if (!hdr) { | |
13737 | nlmsg_free(msg); | |
13738 | return; | |
13739 | } | |
13740 | ||
9360ffd1 DM |
13741 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13742 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13743 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
13744 | goto nla_put_failure; | |
04a773ad | 13745 | |
3b7b72ee | 13746 | genlmsg_end(msg, hdr); |
04a773ad | 13747 | |
68eb5503 | 13748 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13749 | NL80211_MCGRP_MLME, gfp); |
04a773ad JB |
13750 | return; |
13751 | ||
13752 | nla_put_failure: | |
13753 | genlmsg_cancel(msg, hdr); | |
13754 | nlmsg_free(msg); | |
13755 | } | |
13756 | ||
947add36 JB |
13757 | void cfg80211_notify_new_peer_candidate(struct net_device *dev, const u8 *addr, |
13758 | const u8* ie, u8 ie_len, gfp_t gfp) | |
c93b5e71 | 13759 | { |
947add36 | 13760 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
f26cbf40 | 13761 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
c93b5e71 JC |
13762 | struct sk_buff *msg; |
13763 | void *hdr; | |
13764 | ||
947add36 JB |
13765 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_MESH_POINT)) |
13766 | return; | |
13767 | ||
13768 | trace_cfg80211_notify_new_peer_candidate(dev, addr); | |
13769 | ||
4ef8c1c9 | 13770 | msg = nlmsg_new(100 + ie_len, gfp); |
c93b5e71 JC |
13771 | if (!msg) |
13772 | return; | |
13773 | ||
13774 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NEW_PEER_CANDIDATE); | |
13775 | if (!hdr) { | |
13776 | nlmsg_free(msg); | |
13777 | return; | |
13778 | } | |
13779 | ||
9360ffd1 | 13780 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 JB |
13781 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || |
13782 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
9360ffd1 DM |
13783 | (ie_len && ie && |
13784 | nla_put(msg, NL80211_ATTR_IE, ie_len , ie))) | |
13785 | goto nla_put_failure; | |
c93b5e71 | 13786 | |
3b7b72ee | 13787 | genlmsg_end(msg, hdr); |
c93b5e71 | 13788 | |
68eb5503 | 13789 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13790 | NL80211_MCGRP_MLME, gfp); |
c93b5e71 JC |
13791 | return; |
13792 | ||
13793 | nla_put_failure: | |
13794 | genlmsg_cancel(msg, hdr); | |
13795 | nlmsg_free(msg); | |
13796 | } | |
947add36 | 13797 | EXPORT_SYMBOL(cfg80211_notify_new_peer_candidate); |
c93b5e71 | 13798 | |
a3b8b056 JM |
13799 | void nl80211_michael_mic_failure(struct cfg80211_registered_device *rdev, |
13800 | struct net_device *netdev, const u8 *addr, | |
13801 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 13802 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
13803 | { |
13804 | struct sk_buff *msg; | |
13805 | void *hdr; | |
13806 | ||
e6d6e342 | 13807 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
a3b8b056 JM |
13808 | if (!msg) |
13809 | return; | |
13810 | ||
13811 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_MICHAEL_MIC_FAILURE); | |
13812 | if (!hdr) { | |
13813 | nlmsg_free(msg); | |
13814 | return; | |
13815 | } | |
13816 | ||
9360ffd1 DM |
13817 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
13818 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
13819 | (addr && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) || | |
13820 | nla_put_u32(msg, NL80211_ATTR_KEY_TYPE, key_type) || | |
13821 | (key_id != -1 && | |
13822 | nla_put_u8(msg, NL80211_ATTR_KEY_IDX, key_id)) || | |
13823 | (tsc && nla_put(msg, NL80211_ATTR_KEY_SEQ, 6, tsc))) | |
13824 | goto nla_put_failure; | |
a3b8b056 | 13825 | |
3b7b72ee | 13826 | genlmsg_end(msg, hdr); |
a3b8b056 | 13827 | |
68eb5503 | 13828 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13829 | NL80211_MCGRP_MLME, gfp); |
a3b8b056 JM |
13830 | return; |
13831 | ||
13832 | nla_put_failure: | |
13833 | genlmsg_cancel(msg, hdr); | |
13834 | nlmsg_free(msg); | |
13835 | } | |
13836 | ||
6bad8766 LR |
13837 | void nl80211_send_beacon_hint_event(struct wiphy *wiphy, |
13838 | struct ieee80211_channel *channel_before, | |
13839 | struct ieee80211_channel *channel_after) | |
13840 | { | |
13841 | struct sk_buff *msg; | |
13842 | void *hdr; | |
13843 | struct nlattr *nl_freq; | |
13844 | ||
fd2120ca | 13845 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_ATOMIC); |
6bad8766 LR |
13846 | if (!msg) |
13847 | return; | |
13848 | ||
13849 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_REG_BEACON_HINT); | |
13850 | if (!hdr) { | |
13851 | nlmsg_free(msg); | |
13852 | return; | |
13853 | } | |
13854 | ||
13855 | /* | |
13856 | * Since we are applying the beacon hint to a wiphy we know its | |
13857 | * wiphy_idx is valid | |
13858 | */ | |
9360ffd1 DM |
13859 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, get_wiphy_idx(wiphy))) |
13860 | goto nla_put_failure; | |
6bad8766 LR |
13861 | |
13862 | /* Before */ | |
13863 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_BEFORE); | |
13864 | if (!nl_freq) | |
13865 | goto nla_put_failure; | |
cdc89b97 | 13866 | if (nl80211_msg_put_channel(msg, channel_before, false)) |
6bad8766 LR |
13867 | goto nla_put_failure; |
13868 | nla_nest_end(msg, nl_freq); | |
13869 | ||
13870 | /* After */ | |
13871 | nl_freq = nla_nest_start(msg, NL80211_ATTR_FREQ_AFTER); | |
13872 | if (!nl_freq) | |
13873 | goto nla_put_failure; | |
cdc89b97 | 13874 | if (nl80211_msg_put_channel(msg, channel_after, false)) |
6bad8766 LR |
13875 | goto nla_put_failure; |
13876 | nla_nest_end(msg, nl_freq); | |
13877 | ||
3b7b72ee | 13878 | genlmsg_end(msg, hdr); |
6bad8766 | 13879 | |
463d0183 | 13880 | rcu_read_lock(); |
68eb5503 | 13881 | genlmsg_multicast_allns(&nl80211_fam, msg, 0, |
2a94fe48 | 13882 | NL80211_MCGRP_REGULATORY, GFP_ATOMIC); |
463d0183 | 13883 | rcu_read_unlock(); |
6bad8766 LR |
13884 | |
13885 | return; | |
13886 | ||
13887 | nla_put_failure: | |
13888 | genlmsg_cancel(msg, hdr); | |
13889 | nlmsg_free(msg); | |
13890 | } | |
13891 | ||
9588bbd5 JM |
13892 | static void nl80211_send_remain_on_chan_event( |
13893 | int cmd, struct cfg80211_registered_device *rdev, | |
71bbc994 | 13894 | struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 13895 | struct ieee80211_channel *chan, |
9588bbd5 JM |
13896 | unsigned int duration, gfp_t gfp) |
13897 | { | |
13898 | struct sk_buff *msg; | |
13899 | void *hdr; | |
13900 | ||
13901 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
13902 | if (!msg) | |
13903 | return; | |
13904 | ||
13905 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); | |
13906 | if (!hdr) { | |
13907 | nlmsg_free(msg); | |
13908 | return; | |
13909 | } | |
13910 | ||
9360ffd1 | 13911 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
13912 | (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
13913 | wdev->netdev->ifindex)) || | |
2dad624e ND |
13914 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
13915 | NL80211_ATTR_PAD) || | |
9360ffd1 | 13916 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, chan->center_freq) || |
42d97a59 JB |
13917 | nla_put_u32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, |
13918 | NL80211_CHAN_NO_HT) || | |
2dad624e ND |
13919 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
13920 | NL80211_ATTR_PAD)) | |
9360ffd1 | 13921 | goto nla_put_failure; |
9588bbd5 | 13922 | |
9360ffd1 DM |
13923 | if (cmd == NL80211_CMD_REMAIN_ON_CHANNEL && |
13924 | nla_put_u32(msg, NL80211_ATTR_DURATION, duration)) | |
13925 | goto nla_put_failure; | |
9588bbd5 | 13926 | |
3b7b72ee | 13927 | genlmsg_end(msg, hdr); |
9588bbd5 | 13928 | |
68eb5503 | 13929 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 13930 | NL80211_MCGRP_MLME, gfp); |
9588bbd5 JM |
13931 | return; |
13932 | ||
13933 | nla_put_failure: | |
13934 | genlmsg_cancel(msg, hdr); | |
13935 | nlmsg_free(msg); | |
13936 | } | |
13937 | ||
947add36 JB |
13938 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
13939 | struct ieee80211_channel *chan, | |
13940 | unsigned int duration, gfp_t gfp) | |
9588bbd5 | 13941 | { |
947add36 | 13942 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 13943 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
13944 | |
13945 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); | |
9588bbd5 | 13946 | nl80211_send_remain_on_chan_event(NL80211_CMD_REMAIN_ON_CHANNEL, |
71bbc994 | 13947 | rdev, wdev, cookie, chan, |
42d97a59 | 13948 | duration, gfp); |
9588bbd5 | 13949 | } |
947add36 | 13950 | EXPORT_SYMBOL(cfg80211_ready_on_channel); |
9588bbd5 | 13951 | |
947add36 JB |
13952 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
13953 | struct ieee80211_channel *chan, | |
13954 | gfp_t gfp) | |
9588bbd5 | 13955 | { |
947add36 | 13956 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 13957 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
13958 | |
13959 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); | |
9588bbd5 | 13960 | nl80211_send_remain_on_chan_event(NL80211_CMD_CANCEL_REMAIN_ON_CHANNEL, |
42d97a59 | 13961 | rdev, wdev, cookie, chan, 0, gfp); |
9588bbd5 | 13962 | } |
947add36 | 13963 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); |
9588bbd5 | 13964 | |
947add36 JB |
13965 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, |
13966 | struct station_info *sinfo, gfp_t gfp) | |
98b62183 | 13967 | { |
947add36 | 13968 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 13969 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
98b62183 JB |
13970 | struct sk_buff *msg; |
13971 | ||
947add36 JB |
13972 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
13973 | ||
58050fce | 13974 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
98b62183 JB |
13975 | if (!msg) |
13976 | return; | |
13977 | ||
cf5ead82 | 13978 | if (nl80211_send_station(msg, NL80211_CMD_NEW_STATION, 0, 0, 0, |
66266b3a | 13979 | rdev, dev, mac_addr, sinfo) < 0) { |
98b62183 JB |
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_MLME, gfp); |
98b62183 | 13986 | } |
947add36 | 13987 | EXPORT_SYMBOL(cfg80211_new_sta); |
98b62183 | 13988 | |
cf5ead82 JB |
13989 | void cfg80211_del_sta_sinfo(struct net_device *dev, const u8 *mac_addr, |
13990 | struct station_info *sinfo, gfp_t gfp) | |
ec15e68b | 13991 | { |
947add36 | 13992 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 13993 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ec15e68b | 13994 | struct sk_buff *msg; |
cf5ead82 JB |
13995 | struct station_info empty_sinfo = {}; |
13996 | ||
13997 | if (!sinfo) | |
13998 | sinfo = &empty_sinfo; | |
ec15e68b | 13999 | |
947add36 JB |
14000 | trace_cfg80211_del_sta(dev, mac_addr); |
14001 | ||
58050fce | 14002 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
ec15e68b JM |
14003 | if (!msg) |
14004 | return; | |
14005 | ||
cf5ead82 | 14006 | if (nl80211_send_station(msg, NL80211_CMD_DEL_STATION, 0, 0, 0, |
57007121 | 14007 | rdev, dev, mac_addr, sinfo) < 0) { |
ec15e68b JM |
14008 | nlmsg_free(msg); |
14009 | return; | |
14010 | } | |
14011 | ||
68eb5503 | 14012 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14013 | NL80211_MCGRP_MLME, gfp); |
ec15e68b | 14014 | } |
cf5ead82 | 14015 | EXPORT_SYMBOL(cfg80211_del_sta_sinfo); |
ec15e68b | 14016 | |
947add36 JB |
14017 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
14018 | enum nl80211_connect_failed_reason reason, | |
14019 | gfp_t gfp) | |
ed44a951 | 14020 | { |
947add36 | 14021 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; |
f26cbf40 | 14022 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
ed44a951 PP |
14023 | struct sk_buff *msg; |
14024 | void *hdr; | |
14025 | ||
14026 | msg = nlmsg_new(NLMSG_GOODSIZE, gfp); | |
14027 | if (!msg) | |
14028 | return; | |
14029 | ||
14030 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CONN_FAILED); | |
14031 | if (!hdr) { | |
14032 | nlmsg_free(msg); | |
14033 | return; | |
14034 | } | |
14035 | ||
14036 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
14037 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac_addr) || | |
14038 | nla_put_u32(msg, NL80211_ATTR_CONN_FAILED_REASON, reason)) | |
14039 | goto nla_put_failure; | |
14040 | ||
14041 | genlmsg_end(msg, hdr); | |
14042 | ||
68eb5503 | 14043 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14044 | NL80211_MCGRP_MLME, gfp); |
ed44a951 PP |
14045 | return; |
14046 | ||
14047 | nla_put_failure: | |
14048 | genlmsg_cancel(msg, hdr); | |
14049 | nlmsg_free(msg); | |
14050 | } | |
947add36 | 14051 | EXPORT_SYMBOL(cfg80211_conn_failed); |
ed44a951 | 14052 | |
b92ab5d8 JB |
14053 | static bool __nl80211_unexpected_frame(struct net_device *dev, u8 cmd, |
14054 | const u8 *addr, gfp_t gfp) | |
28946da7 JB |
14055 | { |
14056 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 14057 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
28946da7 JB |
14058 | struct sk_buff *msg; |
14059 | void *hdr; | |
15e47304 | 14060 | u32 nlportid = ACCESS_ONCE(wdev->ap_unexpected_nlportid); |
28946da7 | 14061 | |
15e47304 | 14062 | if (!nlportid) |
28946da7 JB |
14063 | return false; |
14064 | ||
14065 | msg = nlmsg_new(100, gfp); | |
14066 | if (!msg) | |
14067 | return true; | |
14068 | ||
b92ab5d8 | 14069 | hdr = nl80211hdr_put(msg, 0, 0, 0, cmd); |
28946da7 JB |
14070 | if (!hdr) { |
14071 | nlmsg_free(msg); | |
14072 | return true; | |
14073 | } | |
14074 | ||
9360ffd1 DM |
14075 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14076 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
14077 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr)) | |
14078 | goto nla_put_failure; | |
28946da7 | 14079 | |
9c90a9f6 | 14080 | genlmsg_end(msg, hdr); |
15e47304 | 14081 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
28946da7 JB |
14082 | return true; |
14083 | ||
14084 | nla_put_failure: | |
14085 | genlmsg_cancel(msg, hdr); | |
14086 | nlmsg_free(msg); | |
14087 | return true; | |
14088 | } | |
14089 | ||
947add36 JB |
14090 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
14091 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 14092 | { |
947add36 JB |
14093 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
14094 | bool ret; | |
14095 | ||
14096 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
14097 | ||
14098 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
14099 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { | |
14100 | trace_cfg80211_return_bool(false); | |
14101 | return false; | |
14102 | } | |
14103 | ret = __nl80211_unexpected_frame(dev, NL80211_CMD_UNEXPECTED_FRAME, | |
14104 | addr, gfp); | |
14105 | trace_cfg80211_return_bool(ret); | |
14106 | return ret; | |
b92ab5d8 | 14107 | } |
947add36 | 14108 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); |
b92ab5d8 | 14109 | |
947add36 JB |
14110 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, |
14111 | const u8 *addr, gfp_t gfp) | |
b92ab5d8 | 14112 | { |
947add36 JB |
14113 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
14114 | bool ret; | |
14115 | ||
14116 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
14117 | ||
14118 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
14119 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
14120 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { | |
14121 | trace_cfg80211_return_bool(false); | |
14122 | return false; | |
14123 | } | |
14124 | ret = __nl80211_unexpected_frame(dev, | |
14125 | NL80211_CMD_UNEXPECTED_4ADDR_FRAME, | |
14126 | addr, gfp); | |
14127 | trace_cfg80211_return_bool(ret); | |
14128 | return ret; | |
b92ab5d8 | 14129 | } |
947add36 | 14130 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |
b92ab5d8 | 14131 | |
2e161f78 | 14132 | int nl80211_send_mgmt(struct cfg80211_registered_device *rdev, |
15e47304 | 14133 | struct wireless_dev *wdev, u32 nlportid, |
804483e9 | 14134 | int freq, int sig_dbm, |
19504cf5 | 14135 | const u8 *buf, size_t len, u32 flags, gfp_t gfp) |
026331c4 | 14136 | { |
71bbc994 | 14137 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
14138 | struct sk_buff *msg; |
14139 | void *hdr; | |
026331c4 | 14140 | |
4ef8c1c9 | 14141 | msg = nlmsg_new(100 + len, gfp); |
026331c4 JM |
14142 | if (!msg) |
14143 | return -ENOMEM; | |
14144 | ||
2e161f78 | 14145 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
026331c4 JM |
14146 | if (!hdr) { |
14147 | nlmsg_free(msg); | |
14148 | return -ENOMEM; | |
14149 | } | |
14150 | ||
9360ffd1 | 14151 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
14152 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
14153 | netdev->ifindex)) || | |
2dad624e ND |
14154 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14155 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
14156 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq) || |
14157 | (sig_dbm && | |
14158 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
19504cf5 VK |
14159 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
14160 | (flags && | |
14161 | nla_put_u32(msg, NL80211_ATTR_RXMGMT_FLAGS, flags))) | |
9360ffd1 | 14162 | goto nla_put_failure; |
026331c4 | 14163 | |
3b7b72ee | 14164 | genlmsg_end(msg, hdr); |
026331c4 | 14165 | |
15e47304 | 14166 | return genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); |
026331c4 JM |
14167 | |
14168 | nla_put_failure: | |
14169 | genlmsg_cancel(msg, hdr); | |
14170 | nlmsg_free(msg); | |
14171 | return -ENOBUFS; | |
14172 | } | |
14173 | ||
947add36 JB |
14174 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
14175 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 | 14176 | { |
947add36 | 14177 | struct wiphy *wiphy = wdev->wiphy; |
f26cbf40 | 14178 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
71bbc994 | 14179 | struct net_device *netdev = wdev->netdev; |
026331c4 JM |
14180 | struct sk_buff *msg; |
14181 | void *hdr; | |
14182 | ||
947add36 JB |
14183 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
14184 | ||
4ef8c1c9 | 14185 | msg = nlmsg_new(100 + len, gfp); |
026331c4 JM |
14186 | if (!msg) |
14187 | return; | |
14188 | ||
2e161f78 | 14189 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME_TX_STATUS); |
026331c4 JM |
14190 | if (!hdr) { |
14191 | nlmsg_free(msg); | |
14192 | return; | |
14193 | } | |
14194 | ||
9360ffd1 | 14195 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
71bbc994 JB |
14196 | (netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, |
14197 | netdev->ifindex)) || | |
2dad624e ND |
14198 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14199 | NL80211_ATTR_PAD) || | |
9360ffd1 | 14200 | nla_put(msg, NL80211_ATTR_FRAME, len, buf) || |
2dad624e ND |
14201 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
14202 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
14203 | (ack && nla_put_flag(msg, NL80211_ATTR_ACK))) |
14204 | goto nla_put_failure; | |
026331c4 | 14205 | |
3b7b72ee | 14206 | genlmsg_end(msg, hdr); |
026331c4 | 14207 | |
68eb5503 | 14208 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14209 | NL80211_MCGRP_MLME, gfp); |
026331c4 JM |
14210 | return; |
14211 | ||
14212 | nla_put_failure: | |
14213 | genlmsg_cancel(msg, hdr); | |
14214 | nlmsg_free(msg); | |
14215 | } | |
947add36 | 14216 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
026331c4 | 14217 | |
5b97f49d JB |
14218 | static struct sk_buff *cfg80211_prepare_cqm(struct net_device *dev, |
14219 | const char *mac, gfp_t gfp) | |
d6dc1a38 | 14220 | { |
947add36 | 14221 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
5b97f49d JB |
14222 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
14223 | struct sk_buff *msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
14224 | void **cb; | |
947add36 | 14225 | |
d6dc1a38 | 14226 | if (!msg) |
5b97f49d | 14227 | return NULL; |
d6dc1a38 | 14228 | |
5b97f49d JB |
14229 | cb = (void **)msg->cb; |
14230 | ||
14231 | cb[0] = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_NOTIFY_CQM); | |
14232 | if (!cb[0]) { | |
d6dc1a38 | 14233 | nlmsg_free(msg); |
5b97f49d | 14234 | return NULL; |
d6dc1a38 JO |
14235 | } |
14236 | ||
9360ffd1 | 14237 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
947add36 | 14238 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex)) |
9360ffd1 | 14239 | goto nla_put_failure; |
d6dc1a38 | 14240 | |
5b97f49d | 14241 | if (mac && nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, mac)) |
d6dc1a38 JO |
14242 | goto nla_put_failure; |
14243 | ||
5b97f49d JB |
14244 | cb[1] = nla_nest_start(msg, NL80211_ATTR_CQM); |
14245 | if (!cb[1]) | |
9360ffd1 | 14246 | goto nla_put_failure; |
d6dc1a38 | 14247 | |
5b97f49d | 14248 | cb[2] = rdev; |
d6dc1a38 | 14249 | |
5b97f49d JB |
14250 | return msg; |
14251 | nla_put_failure: | |
14252 | nlmsg_free(msg); | |
14253 | return NULL; | |
14254 | } | |
14255 | ||
14256 | static void cfg80211_send_cqm(struct sk_buff *msg, gfp_t gfp) | |
14257 | { | |
14258 | void **cb = (void **)msg->cb; | |
14259 | struct cfg80211_registered_device *rdev = cb[2]; | |
14260 | ||
14261 | nla_nest_end(msg, cb[1]); | |
14262 | genlmsg_end(msg, cb[0]); | |
14263 | ||
14264 | memset(msg->cb, 0, sizeof(msg->cb)); | |
d6dc1a38 | 14265 | |
68eb5503 | 14266 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14267 | NL80211_MCGRP_MLME, gfp); |
5b97f49d JB |
14268 | } |
14269 | ||
14270 | void cfg80211_cqm_rssi_notify(struct net_device *dev, | |
14271 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
bee427b8 | 14272 | s32 rssi_level, gfp_t gfp) |
5b97f49d JB |
14273 | { |
14274 | struct sk_buff *msg; | |
4a4b8169 AZ |
14275 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
14276 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); | |
5b97f49d | 14277 | |
bee427b8 | 14278 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event, rssi_level); |
5b97f49d | 14279 | |
98f03342 JB |
14280 | if (WARN_ON(rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_LOW && |
14281 | rssi_event != NL80211_CQM_RSSI_THRESHOLD_EVENT_HIGH)) | |
14282 | return; | |
14283 | ||
4a4b8169 AZ |
14284 | if (wdev->cqm_config) { |
14285 | wdev->cqm_config->last_rssi_event_value = rssi_level; | |
14286 | ||
14287 | cfg80211_cqm_rssi_update(rdev, dev); | |
14288 | ||
14289 | if (rssi_level == 0) | |
14290 | rssi_level = wdev->cqm_config->last_rssi_event_value; | |
14291 | } | |
14292 | ||
5b97f49d JB |
14293 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); |
14294 | if (!msg) | |
14295 | return; | |
14296 | ||
14297 | if (nla_put_u32(msg, NL80211_ATTR_CQM_RSSI_THRESHOLD_EVENT, | |
14298 | rssi_event)) | |
14299 | goto nla_put_failure; | |
14300 | ||
bee427b8 AZ |
14301 | if (rssi_level && nla_put_s32(msg, NL80211_ATTR_CQM_RSSI_LEVEL, |
14302 | rssi_level)) | |
14303 | goto nla_put_failure; | |
14304 | ||
5b97f49d JB |
14305 | cfg80211_send_cqm(msg, gfp); |
14306 | ||
d6dc1a38 JO |
14307 | return; |
14308 | ||
14309 | nla_put_failure: | |
d6dc1a38 JO |
14310 | nlmsg_free(msg); |
14311 | } | |
947add36 | 14312 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); |
d6dc1a38 | 14313 | |
5b97f49d JB |
14314 | void cfg80211_cqm_txe_notify(struct net_device *dev, |
14315 | const u8 *peer, u32 num_packets, | |
14316 | u32 rate, u32 intvl, gfp_t gfp) | |
14317 | { | |
14318 | struct sk_buff *msg; | |
14319 | ||
14320 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
14321 | if (!msg) | |
14322 | return; | |
14323 | ||
14324 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_PKTS, num_packets)) | |
14325 | goto nla_put_failure; | |
14326 | ||
14327 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_RATE, rate)) | |
14328 | goto nla_put_failure; | |
14329 | ||
14330 | if (nla_put_u32(msg, NL80211_ATTR_CQM_TXE_INTVL, intvl)) | |
14331 | goto nla_put_failure; | |
14332 | ||
14333 | cfg80211_send_cqm(msg, gfp); | |
14334 | return; | |
14335 | ||
14336 | nla_put_failure: | |
14337 | nlmsg_free(msg); | |
14338 | } | |
14339 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); | |
14340 | ||
14341 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, | |
14342 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
14343 | { | |
14344 | struct sk_buff *msg; | |
14345 | ||
14346 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); | |
14347 | ||
14348 | msg = cfg80211_prepare_cqm(dev, peer, gfp); | |
14349 | if (!msg) | |
14350 | return; | |
14351 | ||
14352 | if (nla_put_u32(msg, NL80211_ATTR_CQM_PKT_LOSS_EVENT, num_packets)) | |
14353 | goto nla_put_failure; | |
14354 | ||
14355 | cfg80211_send_cqm(msg, gfp); | |
14356 | return; | |
14357 | ||
14358 | nla_put_failure: | |
14359 | nlmsg_free(msg); | |
14360 | } | |
14361 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); | |
14362 | ||
98f03342 JB |
14363 | void cfg80211_cqm_beacon_loss_notify(struct net_device *dev, gfp_t gfp) |
14364 | { | |
14365 | struct sk_buff *msg; | |
14366 | ||
14367 | msg = cfg80211_prepare_cqm(dev, NULL, gfp); | |
14368 | if (!msg) | |
14369 | return; | |
14370 | ||
14371 | if (nla_put_flag(msg, NL80211_ATTR_CQM_BEACON_LOSS_EVENT)) | |
14372 | goto nla_put_failure; | |
14373 | ||
14374 | cfg80211_send_cqm(msg, gfp); | |
14375 | return; | |
14376 | ||
14377 | nla_put_failure: | |
14378 | nlmsg_free(msg); | |
14379 | } | |
14380 | EXPORT_SYMBOL(cfg80211_cqm_beacon_loss_notify); | |
14381 | ||
947add36 JB |
14382 | static void nl80211_gtk_rekey_notify(struct cfg80211_registered_device *rdev, |
14383 | struct net_device *netdev, const u8 *bssid, | |
14384 | const u8 *replay_ctr, gfp_t gfp) | |
e5497d76 JB |
14385 | { |
14386 | struct sk_buff *msg; | |
14387 | struct nlattr *rekey_attr; | |
14388 | void *hdr; | |
14389 | ||
58050fce | 14390 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
e5497d76 JB |
14391 | if (!msg) |
14392 | return; | |
14393 | ||
14394 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_REKEY_OFFLOAD); | |
14395 | if (!hdr) { | |
14396 | nlmsg_free(msg); | |
14397 | return; | |
14398 | } | |
14399 | ||
9360ffd1 DM |
14400 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14401 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
14402 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, bssid)) | |
14403 | goto nla_put_failure; | |
e5497d76 JB |
14404 | |
14405 | rekey_attr = nla_nest_start(msg, NL80211_ATTR_REKEY_DATA); | |
14406 | if (!rekey_attr) | |
14407 | goto nla_put_failure; | |
14408 | ||
9360ffd1 DM |
14409 | if (nla_put(msg, NL80211_REKEY_DATA_REPLAY_CTR, |
14410 | NL80211_REPLAY_CTR_LEN, replay_ctr)) | |
14411 | goto nla_put_failure; | |
e5497d76 JB |
14412 | |
14413 | nla_nest_end(msg, rekey_attr); | |
14414 | ||
3b7b72ee | 14415 | genlmsg_end(msg, hdr); |
e5497d76 | 14416 | |
68eb5503 | 14417 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14418 | NL80211_MCGRP_MLME, gfp); |
e5497d76 JB |
14419 | return; |
14420 | ||
14421 | nla_put_failure: | |
14422 | genlmsg_cancel(msg, hdr); | |
14423 | nlmsg_free(msg); | |
14424 | } | |
14425 | ||
947add36 JB |
14426 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
14427 | const u8 *replay_ctr, gfp_t gfp) | |
14428 | { | |
14429 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14430 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 14431 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
14432 | |
14433 | trace_cfg80211_gtk_rekey_notify(dev, bssid); | |
14434 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
14435 | } | |
14436 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
14437 | ||
14438 | static void | |
14439 | nl80211_pmksa_candidate_notify(struct cfg80211_registered_device *rdev, | |
14440 | struct net_device *netdev, int index, | |
14441 | const u8 *bssid, bool preauth, gfp_t gfp) | |
c9df56b4 JM |
14442 | { |
14443 | struct sk_buff *msg; | |
14444 | struct nlattr *attr; | |
14445 | void *hdr; | |
14446 | ||
58050fce | 14447 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
c9df56b4 JM |
14448 | if (!msg) |
14449 | return; | |
14450 | ||
14451 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PMKSA_CANDIDATE); | |
14452 | if (!hdr) { | |
14453 | nlmsg_free(msg); | |
14454 | return; | |
14455 | } | |
14456 | ||
9360ffd1 DM |
14457 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14458 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) | |
14459 | goto nla_put_failure; | |
c9df56b4 JM |
14460 | |
14461 | attr = nla_nest_start(msg, NL80211_ATTR_PMKSA_CANDIDATE); | |
14462 | if (!attr) | |
14463 | goto nla_put_failure; | |
14464 | ||
9360ffd1 DM |
14465 | if (nla_put_u32(msg, NL80211_PMKSA_CANDIDATE_INDEX, index) || |
14466 | nla_put(msg, NL80211_PMKSA_CANDIDATE_BSSID, ETH_ALEN, bssid) || | |
14467 | (preauth && | |
14468 | nla_put_flag(msg, NL80211_PMKSA_CANDIDATE_PREAUTH))) | |
14469 | goto nla_put_failure; | |
c9df56b4 JM |
14470 | |
14471 | nla_nest_end(msg, attr); | |
14472 | ||
3b7b72ee | 14473 | genlmsg_end(msg, hdr); |
c9df56b4 | 14474 | |
68eb5503 | 14475 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14476 | NL80211_MCGRP_MLME, gfp); |
c9df56b4 JM |
14477 | return; |
14478 | ||
14479 | nla_put_failure: | |
14480 | genlmsg_cancel(msg, hdr); | |
14481 | nlmsg_free(msg); | |
14482 | } | |
14483 | ||
947add36 JB |
14484 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, |
14485 | const u8 *bssid, bool preauth, gfp_t gfp) | |
14486 | { | |
14487 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14488 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 14489 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 JB |
14490 | |
14491 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); | |
14492 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
14493 | } | |
14494 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
14495 | ||
14496 | static void nl80211_ch_switch_notify(struct cfg80211_registered_device *rdev, | |
14497 | struct net_device *netdev, | |
14498 | struct cfg80211_chan_def *chandef, | |
f8d7552e LC |
14499 | gfp_t gfp, |
14500 | enum nl80211_commands notif, | |
14501 | u8 count) | |
5314526b TP |
14502 | { |
14503 | struct sk_buff *msg; | |
14504 | void *hdr; | |
14505 | ||
58050fce | 14506 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
5314526b TP |
14507 | if (!msg) |
14508 | return; | |
14509 | ||
f8d7552e | 14510 | hdr = nl80211hdr_put(msg, 0, 0, 0, notif); |
5314526b TP |
14511 | if (!hdr) { |
14512 | nlmsg_free(msg); | |
14513 | return; | |
14514 | } | |
14515 | ||
683b6d3b JB |
14516 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex)) |
14517 | goto nla_put_failure; | |
14518 | ||
14519 | if (nl80211_send_chandef(msg, chandef)) | |
7eab0f64 | 14520 | goto nla_put_failure; |
5314526b | 14521 | |
f8d7552e LC |
14522 | if ((notif == NL80211_CMD_CH_SWITCH_STARTED_NOTIFY) && |
14523 | (nla_put_u32(msg, NL80211_ATTR_CH_SWITCH_COUNT, count))) | |
14524 | goto nla_put_failure; | |
14525 | ||
5314526b TP |
14526 | genlmsg_end(msg, hdr); |
14527 | ||
68eb5503 | 14528 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14529 | NL80211_MCGRP_MLME, gfp); |
5314526b TP |
14530 | return; |
14531 | ||
14532 | nla_put_failure: | |
14533 | genlmsg_cancel(msg, hdr); | |
14534 | nlmsg_free(msg); | |
14535 | } | |
14536 | ||
947add36 JB |
14537 | void cfg80211_ch_switch_notify(struct net_device *dev, |
14538 | struct cfg80211_chan_def *chandef) | |
84f10708 | 14539 | { |
947add36 JB |
14540 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
14541 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 14542 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
947add36 | 14543 | |
e487eaeb | 14544 | ASSERT_WDEV_LOCK(wdev); |
947add36 | 14545 | |
e487eaeb | 14546 | trace_cfg80211_ch_switch_notify(dev, chandef); |
947add36 | 14547 | |
9e0e2961 | 14548 | wdev->chandef = *chandef; |
96f55f12 | 14549 | wdev->preset_chandef = *chandef; |
f8d7552e LC |
14550 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, |
14551 | NL80211_CMD_CH_SWITCH_NOTIFY, 0); | |
947add36 JB |
14552 | } |
14553 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
14554 | ||
f8d7552e LC |
14555 | void cfg80211_ch_switch_started_notify(struct net_device *dev, |
14556 | struct cfg80211_chan_def *chandef, | |
14557 | u8 count) | |
14558 | { | |
14559 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
14560 | struct wiphy *wiphy = wdev->wiphy; | |
14561 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); | |
14562 | ||
14563 | trace_cfg80211_ch_switch_started_notify(dev, chandef); | |
14564 | ||
14565 | nl80211_ch_switch_notify(rdev, dev, chandef, GFP_KERNEL, | |
14566 | NL80211_CMD_CH_SWITCH_STARTED_NOTIFY, count); | |
14567 | } | |
14568 | EXPORT_SYMBOL(cfg80211_ch_switch_started_notify); | |
14569 | ||
04f39047 SW |
14570 | void |
14571 | nl80211_radar_notify(struct cfg80211_registered_device *rdev, | |
d2859df5 | 14572 | const struct cfg80211_chan_def *chandef, |
04f39047 SW |
14573 | enum nl80211_radar_event event, |
14574 | struct net_device *netdev, gfp_t gfp) | |
14575 | { | |
14576 | struct sk_buff *msg; | |
14577 | void *hdr; | |
14578 | ||
14579 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
14580 | if (!msg) | |
14581 | return; | |
14582 | ||
14583 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_RADAR_DETECT); | |
14584 | if (!hdr) { | |
14585 | nlmsg_free(msg); | |
14586 | return; | |
14587 | } | |
14588 | ||
14589 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx)) | |
14590 | goto nla_put_failure; | |
14591 | ||
14592 | /* NOP and radar events don't need a netdev parameter */ | |
14593 | if (netdev) { | |
14594 | struct wireless_dev *wdev = netdev->ieee80211_ptr; | |
14595 | ||
14596 | if (nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
2dad624e ND |
14597 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14598 | NL80211_ATTR_PAD)) | |
04f39047 SW |
14599 | goto nla_put_failure; |
14600 | } | |
14601 | ||
14602 | if (nla_put_u32(msg, NL80211_ATTR_RADAR_EVENT, event)) | |
14603 | goto nla_put_failure; | |
14604 | ||
14605 | if (nl80211_send_chandef(msg, chandef)) | |
14606 | goto nla_put_failure; | |
14607 | ||
9c90a9f6 | 14608 | genlmsg_end(msg, hdr); |
04f39047 | 14609 | |
68eb5503 | 14610 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14611 | NL80211_MCGRP_MLME, gfp); |
04f39047 SW |
14612 | return; |
14613 | ||
14614 | nla_put_failure: | |
14615 | genlmsg_cancel(msg, hdr); | |
14616 | nlmsg_free(msg); | |
14617 | } | |
14618 | ||
7f6cf311 JB |
14619 | void cfg80211_probe_status(struct net_device *dev, const u8 *addr, |
14620 | u64 cookie, bool acked, gfp_t gfp) | |
14621 | { | |
14622 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 14623 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
7f6cf311 JB |
14624 | struct sk_buff *msg; |
14625 | void *hdr; | |
7f6cf311 | 14626 | |
4ee3e063 BL |
14627 | trace_cfg80211_probe_status(dev, addr, cookie, acked); |
14628 | ||
58050fce | 14629 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); |
4ee3e063 | 14630 | |
7f6cf311 JB |
14631 | if (!msg) |
14632 | return; | |
14633 | ||
14634 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_PROBE_CLIENT); | |
14635 | if (!hdr) { | |
14636 | nlmsg_free(msg); | |
14637 | return; | |
14638 | } | |
14639 | ||
9360ffd1 DM |
14640 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14641 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
14642 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, addr) || | |
2dad624e ND |
14643 | nla_put_u64_64bit(msg, NL80211_ATTR_COOKIE, cookie, |
14644 | NL80211_ATTR_PAD) || | |
9360ffd1 DM |
14645 | (acked && nla_put_flag(msg, NL80211_ATTR_ACK))) |
14646 | goto nla_put_failure; | |
7f6cf311 | 14647 | |
9c90a9f6 | 14648 | genlmsg_end(msg, hdr); |
7f6cf311 | 14649 | |
68eb5503 | 14650 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14651 | NL80211_MCGRP_MLME, gfp); |
7f6cf311 JB |
14652 | return; |
14653 | ||
14654 | nla_put_failure: | |
14655 | genlmsg_cancel(msg, hdr); | |
14656 | nlmsg_free(msg); | |
14657 | } | |
14658 | EXPORT_SYMBOL(cfg80211_probe_status); | |
14659 | ||
5e760230 JB |
14660 | void cfg80211_report_obss_beacon(struct wiphy *wiphy, |
14661 | const u8 *frame, size_t len, | |
37c73b5f | 14662 | int freq, int sig_dbm) |
5e760230 | 14663 | { |
f26cbf40 | 14664 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
5e760230 JB |
14665 | struct sk_buff *msg; |
14666 | void *hdr; | |
37c73b5f | 14667 | struct cfg80211_beacon_registration *reg; |
5e760230 | 14668 | |
4ee3e063 BL |
14669 | trace_cfg80211_report_obss_beacon(wiphy, frame, len, freq, sig_dbm); |
14670 | ||
37c73b5f BG |
14671 | spin_lock_bh(&rdev->beacon_registrations_lock); |
14672 | list_for_each_entry(reg, &rdev->beacon_registrations, list) { | |
14673 | msg = nlmsg_new(len + 100, GFP_ATOMIC); | |
14674 | if (!msg) { | |
14675 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
14676 | return; | |
14677 | } | |
5e760230 | 14678 | |
37c73b5f BG |
14679 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FRAME); |
14680 | if (!hdr) | |
14681 | goto nla_put_failure; | |
5e760230 | 14682 | |
37c73b5f BG |
14683 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
14684 | (freq && | |
14685 | nla_put_u32(msg, NL80211_ATTR_WIPHY_FREQ, freq)) || | |
14686 | (sig_dbm && | |
14687 | nla_put_u32(msg, NL80211_ATTR_RX_SIGNAL_DBM, sig_dbm)) || | |
14688 | nla_put(msg, NL80211_ATTR_FRAME, len, frame)) | |
14689 | goto nla_put_failure; | |
5e760230 | 14690 | |
37c73b5f | 14691 | genlmsg_end(msg, hdr); |
5e760230 | 14692 | |
37c73b5f BG |
14693 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, reg->nlportid); |
14694 | } | |
14695 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 JB |
14696 | return; |
14697 | ||
14698 | nla_put_failure: | |
37c73b5f BG |
14699 | spin_unlock_bh(&rdev->beacon_registrations_lock); |
14700 | if (hdr) | |
14701 | genlmsg_cancel(msg, hdr); | |
5e760230 JB |
14702 | nlmsg_free(msg); |
14703 | } | |
14704 | EXPORT_SYMBOL(cfg80211_report_obss_beacon); | |
14705 | ||
cd8f7cb4 | 14706 | #ifdef CONFIG_PM |
8cd4d456 LC |
14707 | static int cfg80211_net_detect_results(struct sk_buff *msg, |
14708 | struct cfg80211_wowlan_wakeup *wakeup) | |
14709 | { | |
14710 | struct cfg80211_wowlan_nd_info *nd = wakeup->net_detect; | |
14711 | struct nlattr *nl_results, *nl_match, *nl_freqs; | |
14712 | int i, j; | |
14713 | ||
14714 | nl_results = nla_nest_start( | |
14715 | msg, NL80211_WOWLAN_TRIG_NET_DETECT_RESULTS); | |
14716 | if (!nl_results) | |
14717 | return -EMSGSIZE; | |
14718 | ||
14719 | for (i = 0; i < nd->n_matches; i++) { | |
14720 | struct cfg80211_wowlan_nd_match *match = nd->matches[i]; | |
14721 | ||
14722 | nl_match = nla_nest_start(msg, i); | |
14723 | if (!nl_match) | |
14724 | break; | |
14725 | ||
14726 | /* The SSID attribute is optional in nl80211, but for | |
14727 | * simplicity reasons it's always present in the | |
14728 | * cfg80211 structure. If a driver can't pass the | |
14729 | * SSID, that needs to be changed. A zero length SSID | |
14730 | * is still a valid SSID (wildcard), so it cannot be | |
14731 | * used for this purpose. | |
14732 | */ | |
14733 | if (nla_put(msg, NL80211_ATTR_SSID, match->ssid.ssid_len, | |
14734 | match->ssid.ssid)) { | |
14735 | nla_nest_cancel(msg, nl_match); | |
14736 | goto out; | |
14737 | } | |
14738 | ||
14739 | if (match->n_channels) { | |
14740 | nl_freqs = nla_nest_start( | |
14741 | msg, NL80211_ATTR_SCAN_FREQUENCIES); | |
14742 | if (!nl_freqs) { | |
14743 | nla_nest_cancel(msg, nl_match); | |
14744 | goto out; | |
14745 | } | |
14746 | ||
14747 | for (j = 0; j < match->n_channels; j++) { | |
5528fae8 | 14748 | if (nla_put_u32(msg, j, match->channels[j])) { |
8cd4d456 LC |
14749 | nla_nest_cancel(msg, nl_freqs); |
14750 | nla_nest_cancel(msg, nl_match); | |
14751 | goto out; | |
14752 | } | |
14753 | } | |
14754 | ||
14755 | nla_nest_end(msg, nl_freqs); | |
14756 | } | |
14757 | ||
14758 | nla_nest_end(msg, nl_match); | |
14759 | } | |
14760 | ||
14761 | out: | |
14762 | nla_nest_end(msg, nl_results); | |
14763 | return 0; | |
14764 | } | |
14765 | ||
cd8f7cb4 JB |
14766 | void cfg80211_report_wowlan_wakeup(struct wireless_dev *wdev, |
14767 | struct cfg80211_wowlan_wakeup *wakeup, | |
14768 | gfp_t gfp) | |
14769 | { | |
f26cbf40 | 14770 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
cd8f7cb4 JB |
14771 | struct sk_buff *msg; |
14772 | void *hdr; | |
9c90a9f6 | 14773 | int size = 200; |
cd8f7cb4 JB |
14774 | |
14775 | trace_cfg80211_report_wowlan_wakeup(wdev->wiphy, wdev, wakeup); | |
14776 | ||
14777 | if (wakeup) | |
14778 | size += wakeup->packet_present_len; | |
14779 | ||
14780 | msg = nlmsg_new(size, gfp); | |
14781 | if (!msg) | |
14782 | return; | |
14783 | ||
14784 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_SET_WOWLAN); | |
14785 | if (!hdr) | |
14786 | goto free_msg; | |
14787 | ||
14788 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
14789 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
14790 | NL80211_ATTR_PAD)) | |
cd8f7cb4 JB |
14791 | goto free_msg; |
14792 | ||
14793 | if (wdev->netdev && nla_put_u32(msg, NL80211_ATTR_IFINDEX, | |
14794 | wdev->netdev->ifindex)) | |
14795 | goto free_msg; | |
14796 | ||
14797 | if (wakeup) { | |
14798 | struct nlattr *reasons; | |
14799 | ||
14800 | reasons = nla_nest_start(msg, NL80211_ATTR_WOWLAN_TRIGGERS); | |
7fa322c8 JB |
14801 | if (!reasons) |
14802 | goto free_msg; | |
cd8f7cb4 JB |
14803 | |
14804 | if (wakeup->disconnect && | |
14805 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_DISCONNECT)) | |
14806 | goto free_msg; | |
14807 | if (wakeup->magic_pkt && | |
14808 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_MAGIC_PKT)) | |
14809 | goto free_msg; | |
14810 | if (wakeup->gtk_rekey_failure && | |
14811 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_GTK_REKEY_FAILURE)) | |
14812 | goto free_msg; | |
14813 | if (wakeup->eap_identity_req && | |
14814 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_EAP_IDENT_REQUEST)) | |
14815 | goto free_msg; | |
14816 | if (wakeup->four_way_handshake && | |
14817 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_4WAY_HANDSHAKE)) | |
14818 | goto free_msg; | |
14819 | if (wakeup->rfkill_release && | |
14820 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_RFKILL_RELEASE)) | |
14821 | goto free_msg; | |
14822 | ||
14823 | if (wakeup->pattern_idx >= 0 && | |
14824 | nla_put_u32(msg, NL80211_WOWLAN_TRIG_PKT_PATTERN, | |
14825 | wakeup->pattern_idx)) | |
14826 | goto free_msg; | |
14827 | ||
ae917c9f JB |
14828 | if (wakeup->tcp_match && |
14829 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_MATCH)) | |
14830 | goto free_msg; | |
2a0e047e | 14831 | |
ae917c9f JB |
14832 | if (wakeup->tcp_connlost && |
14833 | nla_put_flag(msg, NL80211_WOWLAN_TRIG_WAKEUP_TCP_CONNLOST)) | |
14834 | goto free_msg; | |
2a0e047e | 14835 | |
ae917c9f JB |
14836 | if (wakeup->tcp_nomoretokens && |
14837 | nla_put_flag(msg, | |
14838 | NL80211_WOWLAN_TRIG_WAKEUP_TCP_NOMORETOKENS)) | |
14839 | goto free_msg; | |
2a0e047e | 14840 | |
cd8f7cb4 JB |
14841 | if (wakeup->packet) { |
14842 | u32 pkt_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211; | |
14843 | u32 len_attr = NL80211_WOWLAN_TRIG_WAKEUP_PKT_80211_LEN; | |
14844 | ||
14845 | if (!wakeup->packet_80211) { | |
14846 | pkt_attr = | |
14847 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023; | |
14848 | len_attr = | |
14849 | NL80211_WOWLAN_TRIG_WAKEUP_PKT_8023_LEN; | |
14850 | } | |
14851 | ||
14852 | if (wakeup->packet_len && | |
14853 | nla_put_u32(msg, len_attr, wakeup->packet_len)) | |
14854 | goto free_msg; | |
14855 | ||
14856 | if (nla_put(msg, pkt_attr, wakeup->packet_present_len, | |
14857 | wakeup->packet)) | |
14858 | goto free_msg; | |
14859 | } | |
14860 | ||
8cd4d456 LC |
14861 | if (wakeup->net_detect && |
14862 | cfg80211_net_detect_results(msg, wakeup)) | |
14863 | goto free_msg; | |
14864 | ||
cd8f7cb4 JB |
14865 | nla_nest_end(msg, reasons); |
14866 | } | |
14867 | ||
9c90a9f6 | 14868 | genlmsg_end(msg, hdr); |
cd8f7cb4 | 14869 | |
68eb5503 | 14870 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14871 | NL80211_MCGRP_MLME, gfp); |
cd8f7cb4 JB |
14872 | return; |
14873 | ||
14874 | free_msg: | |
14875 | nlmsg_free(msg); | |
14876 | } | |
14877 | EXPORT_SYMBOL(cfg80211_report_wowlan_wakeup); | |
14878 | #endif | |
14879 | ||
3475b094 JM |
14880 | void cfg80211_tdls_oper_request(struct net_device *dev, const u8 *peer, |
14881 | enum nl80211_tdls_operation oper, | |
14882 | u16 reason_code, gfp_t gfp) | |
14883 | { | |
14884 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
f26cbf40 | 14885 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wdev->wiphy); |
3475b094 JM |
14886 | struct sk_buff *msg; |
14887 | void *hdr; | |
3475b094 JM |
14888 | |
14889 | trace_cfg80211_tdls_oper_request(wdev->wiphy, dev, peer, oper, | |
14890 | reason_code); | |
14891 | ||
14892 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
14893 | if (!msg) | |
14894 | return; | |
14895 | ||
14896 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_TDLS_OPER); | |
14897 | if (!hdr) { | |
14898 | nlmsg_free(msg); | |
14899 | return; | |
14900 | } | |
14901 | ||
14902 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
14903 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, dev->ifindex) || | |
14904 | nla_put_u8(msg, NL80211_ATTR_TDLS_OPERATION, oper) || | |
14905 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, peer) || | |
14906 | (reason_code > 0 && | |
14907 | nla_put_u16(msg, NL80211_ATTR_REASON_CODE, reason_code))) | |
14908 | goto nla_put_failure; | |
14909 | ||
9c90a9f6 | 14910 | genlmsg_end(msg, hdr); |
3475b094 | 14911 | |
68eb5503 | 14912 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 14913 | NL80211_MCGRP_MLME, gfp); |
3475b094 JM |
14914 | return; |
14915 | ||
14916 | nla_put_failure: | |
14917 | genlmsg_cancel(msg, hdr); | |
14918 | nlmsg_free(msg); | |
14919 | } | |
14920 | EXPORT_SYMBOL(cfg80211_tdls_oper_request); | |
14921 | ||
026331c4 JM |
14922 | static int nl80211_netlink_notify(struct notifier_block * nb, |
14923 | unsigned long state, | |
14924 | void *_notify) | |
14925 | { | |
14926 | struct netlink_notify *notify = _notify; | |
14927 | struct cfg80211_registered_device *rdev; | |
14928 | struct wireless_dev *wdev; | |
37c73b5f | 14929 | struct cfg80211_beacon_registration *reg, *tmp; |
026331c4 | 14930 | |
8f815cdd | 14931 | if (state != NETLINK_URELEASE || notify->protocol != NETLINK_GENERIC) |
026331c4 JM |
14932 | return NOTIFY_DONE; |
14933 | ||
14934 | rcu_read_lock(); | |
14935 | ||
5e760230 | 14936 | list_for_each_entry_rcu(rdev, &cfg80211_rdev_list, list) { |
ca986ad9 | 14937 | struct cfg80211_sched_scan_request *sched_scan_req; |
753aacfd | 14938 | |
ca986ad9 AVS |
14939 | list_for_each_entry_rcu(sched_scan_req, |
14940 | &rdev->sched_scan_req_list, | |
14941 | list) { | |
14942 | if (sched_scan_req->owner_nlportid == notify->portid) { | |
14943 | sched_scan_req->nl_owner_dead = true; | |
753aacfd | 14944 | schedule_work(&rdev->sched_scan_stop_wk); |
ca986ad9 | 14945 | } |
753aacfd | 14946 | } |
78f22b6a | 14947 | |
53873f13 | 14948 | list_for_each_entry_rcu(wdev, &rdev->wiphy.wdev_list, list) { |
15e47304 | 14949 | cfg80211_mlme_unregister_socket(wdev, notify->portid); |
37c73b5f | 14950 | |
ab81007a JB |
14951 | if (wdev->owner_nlportid == notify->portid) { |
14952 | wdev->nl_owner_dead = true; | |
14953 | schedule_work(&rdev->destroy_work); | |
14954 | } else if (wdev->conn_owner_nlportid == notify->portid) { | |
bd2522b1 | 14955 | schedule_work(&wdev->disconnect_wk); |
ab81007a | 14956 | } |
78f22b6a JB |
14957 | } |
14958 | ||
37c73b5f BG |
14959 | spin_lock_bh(&rdev->beacon_registrations_lock); |
14960 | list_for_each_entry_safe(reg, tmp, &rdev->beacon_registrations, | |
14961 | list) { | |
14962 | if (reg->nlportid == notify->portid) { | |
14963 | list_del(®->list); | |
14964 | kfree(reg); | |
14965 | break; | |
14966 | } | |
14967 | } | |
14968 | spin_unlock_bh(&rdev->beacon_registrations_lock); | |
5e760230 | 14969 | } |
026331c4 JM |
14970 | |
14971 | rcu_read_unlock(); | |
14972 | ||
05050753 I |
14973 | /* |
14974 | * It is possible that the user space process that is controlling the | |
14975 | * indoor setting disappeared, so notify the regulatory core. | |
14976 | */ | |
14977 | regulatory_netlink_notify(notify->portid); | |
6784c7db | 14978 | return NOTIFY_OK; |
026331c4 JM |
14979 | } |
14980 | ||
14981 | static struct notifier_block nl80211_netlink_notifier = { | |
14982 | .notifier_call = nl80211_netlink_notify, | |
14983 | }; | |
14984 | ||
355199e0 JM |
14985 | void cfg80211_ft_event(struct net_device *netdev, |
14986 | struct cfg80211_ft_event_params *ft_event) | |
14987 | { | |
14988 | struct wiphy *wiphy = netdev->ieee80211_ptr->wiphy; | |
f26cbf40 | 14989 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
355199e0 JM |
14990 | struct sk_buff *msg; |
14991 | void *hdr; | |
355199e0 JM |
14992 | |
14993 | trace_cfg80211_ft_event(wiphy, netdev, ft_event); | |
14994 | ||
14995 | if (!ft_event->target_ap) | |
14996 | return; | |
14997 | ||
4ef8c1c9 | 14998 | msg = nlmsg_new(100 + ft_event->ric_ies_len, GFP_KERNEL); |
355199e0 JM |
14999 | if (!msg) |
15000 | return; | |
15001 | ||
15002 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_FT_EVENT); | |
ae917c9f JB |
15003 | if (!hdr) |
15004 | goto out; | |
355199e0 | 15005 | |
ae917c9f JB |
15006 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || |
15007 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, netdev->ifindex) || | |
15008 | nla_put(msg, NL80211_ATTR_MAC, ETH_ALEN, ft_event->target_ap)) | |
15009 | goto out; | |
355199e0 | 15010 | |
ae917c9f JB |
15011 | if (ft_event->ies && |
15012 | nla_put(msg, NL80211_ATTR_IE, ft_event->ies_len, ft_event->ies)) | |
15013 | goto out; | |
15014 | if (ft_event->ric_ies && | |
15015 | nla_put(msg, NL80211_ATTR_IE_RIC, ft_event->ric_ies_len, | |
15016 | ft_event->ric_ies)) | |
15017 | goto out; | |
355199e0 | 15018 | |
9c90a9f6 | 15019 | genlmsg_end(msg, hdr); |
355199e0 | 15020 | |
68eb5503 | 15021 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(&rdev->wiphy), msg, 0, |
2a94fe48 | 15022 | NL80211_MCGRP_MLME, GFP_KERNEL); |
ae917c9f JB |
15023 | return; |
15024 | out: | |
15025 | nlmsg_free(msg); | |
355199e0 JM |
15026 | } |
15027 | EXPORT_SYMBOL(cfg80211_ft_event); | |
15028 | ||
5de17984 AS |
15029 | void cfg80211_crit_proto_stopped(struct wireless_dev *wdev, gfp_t gfp) |
15030 | { | |
15031 | struct cfg80211_registered_device *rdev; | |
15032 | struct sk_buff *msg; | |
15033 | void *hdr; | |
15034 | u32 nlportid; | |
15035 | ||
f26cbf40 | 15036 | rdev = wiphy_to_rdev(wdev->wiphy); |
5de17984 AS |
15037 | if (!rdev->crit_proto_nlportid) |
15038 | return; | |
15039 | ||
15040 | nlportid = rdev->crit_proto_nlportid; | |
15041 | rdev->crit_proto_nlportid = 0; | |
15042 | ||
15043 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, gfp); | |
15044 | if (!msg) | |
15045 | return; | |
15046 | ||
15047 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_CRIT_PROTOCOL_STOP); | |
15048 | if (!hdr) | |
15049 | goto nla_put_failure; | |
15050 | ||
15051 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
2dad624e ND |
15052 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
15053 | NL80211_ATTR_PAD)) | |
5de17984 AS |
15054 | goto nla_put_failure; |
15055 | ||
15056 | genlmsg_end(msg, hdr); | |
15057 | ||
15058 | genlmsg_unicast(wiphy_net(&rdev->wiphy), msg, nlportid); | |
15059 | return; | |
15060 | ||
15061 | nla_put_failure: | |
15062 | if (hdr) | |
15063 | genlmsg_cancel(msg, hdr); | |
15064 | nlmsg_free(msg); | |
5de17984 AS |
15065 | } |
15066 | EXPORT_SYMBOL(cfg80211_crit_proto_stopped); | |
15067 | ||
348baf0e JB |
15068 | void nl80211_send_ap_stopped(struct wireless_dev *wdev) |
15069 | { | |
15070 | struct wiphy *wiphy = wdev->wiphy; | |
f26cbf40 | 15071 | struct cfg80211_registered_device *rdev = wiphy_to_rdev(wiphy); |
348baf0e JB |
15072 | struct sk_buff *msg; |
15073 | void *hdr; | |
15074 | ||
15075 | msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL); | |
15076 | if (!msg) | |
15077 | return; | |
15078 | ||
15079 | hdr = nl80211hdr_put(msg, 0, 0, 0, NL80211_CMD_STOP_AP); | |
15080 | if (!hdr) | |
15081 | goto out; | |
15082 | ||
15083 | if (nla_put_u32(msg, NL80211_ATTR_WIPHY, rdev->wiphy_idx) || | |
15084 | nla_put_u32(msg, NL80211_ATTR_IFINDEX, wdev->netdev->ifindex) || | |
2dad624e ND |
15085 | nla_put_u64_64bit(msg, NL80211_ATTR_WDEV, wdev_id(wdev), |
15086 | NL80211_ATTR_PAD)) | |
348baf0e JB |
15087 | goto out; |
15088 | ||
15089 | genlmsg_end(msg, hdr); | |
15090 | ||
15091 | genlmsg_multicast_netns(&nl80211_fam, wiphy_net(wiphy), msg, 0, | |
15092 | NL80211_MCGRP_MLME, GFP_KERNEL); | |
15093 | return; | |
15094 | out: | |
15095 | nlmsg_free(msg); | |
15096 | } | |
15097 | ||
55682965 JB |
15098 | /* initialisation/exit functions */ |
15099 | ||
56989f6d | 15100 | int __init nl80211_init(void) |
55682965 | 15101 | { |
0d63cbb5 | 15102 | int err; |
55682965 | 15103 | |
489111e5 | 15104 | err = genl_register_family(&nl80211_fam); |
55682965 JB |
15105 | if (err) |
15106 | return err; | |
15107 | ||
026331c4 JM |
15108 | err = netlink_register_notifier(&nl80211_netlink_notifier); |
15109 | if (err) | |
15110 | goto err_out; | |
15111 | ||
55682965 JB |
15112 | return 0; |
15113 | err_out: | |
15114 | genl_unregister_family(&nl80211_fam); | |
15115 | return err; | |
15116 | } | |
15117 | ||
15118 | void nl80211_exit(void) | |
15119 | { | |
026331c4 | 15120 | netlink_unregister_notifier(&nl80211_netlink_notifier); |
55682965 JB |
15121 | genl_unregister_family(&nl80211_fam); |
15122 | } |