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Commit | Line | Data |
---|---|---|
6039f6d2 JM |
1 | /* |
2 | * cfg80211 MLME SAP interface | |
3 | * | |
4 | * Copyright (c) 2009, Jouni Malinen <j@w1.fi> | |
5 | */ | |
6 | ||
7 | #include <linux/kernel.h> | |
8 | #include <linux/module.h> | |
c6fb08aa | 9 | #include <linux/etherdevice.h> |
6039f6d2 JM |
10 | #include <linux/netdevice.h> |
11 | #include <linux/nl80211.h> | |
5a0e3ad6 | 12 | #include <linux/slab.h> |
a9a11622 | 13 | #include <linux/wireless.h> |
6039f6d2 | 14 | #include <net/cfg80211.h> |
a9a11622 | 15 | #include <net/iw_handler.h> |
6039f6d2 JM |
16 | #include "core.h" |
17 | #include "nl80211.h" | |
e35e4d28 HG |
18 | #include "rdev-ops.h" |
19 | ||
6039f6d2 | 20 | |
cb0b4beb | 21 | void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len) |
6039f6d2 | 22 | { |
19957bb3 JB |
23 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
24 | struct wiphy *wiphy = wdev->wiphy; | |
6039f6d2 | 25 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
19957bb3 | 26 | |
4ee3e063 | 27 | trace_cfg80211_send_rx_auth(dev); |
667503dd | 28 | wdev_lock(wdev); |
cb0b4beb | 29 | |
95de817b JB |
30 | nl80211_send_rx_auth(rdev, dev, buf, len, GFP_KERNEL); |
31 | cfg80211_sme_rx_auth(dev, buf, len); | |
667503dd JB |
32 | |
33 | wdev_unlock(wdev); | |
6039f6d2 JM |
34 | } |
35 | EXPORT_SYMBOL(cfg80211_send_rx_auth); | |
36 | ||
95de817b JB |
37 | void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss, |
38 | const u8 *buf, size_t len) | |
6039f6d2 | 39 | { |
6829c878 JB |
40 | u16 status_code; |
41 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
42 | struct wiphy *wiphy = wdev->wiphy; | |
6039f6d2 | 43 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
6829c878 JB |
44 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; |
45 | u8 *ie = mgmt->u.assoc_resp.variable; | |
95de817b | 46 | int ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable); |
6829c878 | 47 | |
4ee3e063 | 48 | trace_cfg80211_send_rx_assoc(dev, bss); |
667503dd | 49 | wdev_lock(wdev); |
cb0b4beb | 50 | |
6829c878 JB |
51 | status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code); |
52 | ||
f401a6f7 JB |
53 | /* |
54 | * This is a bit of a hack, we don't notify userspace of | |
55 | * a (re-)association reply if we tried to send a reassoc | |
56 | * and got a reject -- we only try again with an assoc | |
57 | * frame instead of reassoc. | |
58 | */ | |
59 | if (status_code != WLAN_STATUS_SUCCESS && wdev->conn && | |
95de817b JB |
60 | cfg80211_sme_failed_reassoc(wdev)) { |
61 | cfg80211_put_bss(bss); | |
f401a6f7 | 62 | goto out; |
95de817b | 63 | } |
f401a6f7 | 64 | |
cb0b4beb | 65 | nl80211_send_rx_assoc(rdev, dev, buf, len, GFP_KERNEL); |
6829c878 | 66 | |
95de817b | 67 | if (status_code != WLAN_STATUS_SUCCESS && wdev->conn) { |
7d930bc3 | 68 | cfg80211_sme_failed_assoc(wdev); |
7d930bc3 JB |
69 | /* |
70 | * do not call connect_result() now because the | |
71 | * sme will schedule work that does it later. | |
72 | */ | |
95de817b | 73 | cfg80211_put_bss(bss); |
7d930bc3 | 74 | goto out; |
df7fc0f9 JB |
75 | } |
76 | ||
ea416a79 JB |
77 | if (!wdev->conn && wdev->sme_state == CFG80211_SME_IDLE) { |
78 | /* | |
79 | * This is for the userspace SME, the CONNECTING | |
80 | * state will be changed to CONNECTED by | |
81 | * __cfg80211_connect_result() below. | |
82 | */ | |
83 | wdev->sme_state = CFG80211_SME_CONNECTING; | |
84 | } | |
85 | ||
95de817b | 86 | /* this consumes the bss reference */ |
df7fc0f9 JB |
87 | __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, ie, len - ieoffs, |
88 | status_code, | |
95de817b | 89 | status_code == WLAN_STATUS_SUCCESS, bss); |
f401a6f7 | 90 | out: |
667503dd | 91 | wdev_unlock(wdev); |
6039f6d2 JM |
92 | } |
93 | EXPORT_SYMBOL(cfg80211_send_rx_assoc); | |
94 | ||
ce470613 | 95 | void __cfg80211_send_deauth(struct net_device *dev, |
667503dd | 96 | const u8 *buf, size_t len) |
6039f6d2 | 97 | { |
6829c878 JB |
98 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
99 | struct wiphy *wiphy = wdev->wiphy; | |
6039f6d2 | 100 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
6829c878 | 101 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; |
19957bb3 | 102 | const u8 *bssid = mgmt->bssid; |
95de817b | 103 | bool was_current = false; |
6829c878 | 104 | |
4ee3e063 | 105 | trace___cfg80211_send_deauth(dev); |
667503dd | 106 | ASSERT_WDEV_LOCK(wdev); |
cb0b4beb | 107 | |
19957bb3 | 108 | if (wdev->current_bss && |
ac422d3c | 109 | ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) { |
19957bb3 JB |
110 | cfg80211_unhold_bss(wdev->current_bss); |
111 | cfg80211_put_bss(&wdev->current_bss->pub); | |
112 | wdev->current_bss = NULL; | |
3f3b6a8d | 113 | was_current = true; |
19957bb3 | 114 | } |
19957bb3 | 115 | |
5fba4af3 JB |
116 | nl80211_send_deauth(rdev, dev, buf, len, GFP_KERNEL); |
117 | ||
3f3b6a8d | 118 | if (wdev->sme_state == CFG80211_SME_CONNECTED && was_current) { |
6829c878 JB |
119 | u16 reason_code; |
120 | bool from_ap; | |
121 | ||
122 | reason_code = le16_to_cpu(mgmt->u.deauth.reason_code); | |
123 | ||
ac422d3c | 124 | from_ap = !ether_addr_equal(mgmt->sa, dev->dev_addr); |
667503dd | 125 | __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap); |
6829c878 | 126 | } else if (wdev->sme_state == CFG80211_SME_CONNECTING) { |
667503dd JB |
127 | __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0, |
128 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
df7fc0f9 | 129 | false, NULL); |
667503dd JB |
130 | } |
131 | } | |
ce470613 | 132 | EXPORT_SYMBOL(__cfg80211_send_deauth); |
667503dd | 133 | |
ce470613 | 134 | void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len) |
667503dd JB |
135 | { |
136 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
137 | ||
ce470613 HS |
138 | wdev_lock(wdev); |
139 | __cfg80211_send_deauth(dev, buf, len); | |
140 | wdev_unlock(wdev); | |
6039f6d2 | 141 | } |
53b46b84 | 142 | EXPORT_SYMBOL(cfg80211_send_deauth); |
6039f6d2 | 143 | |
ce470613 | 144 | void __cfg80211_send_disassoc(struct net_device *dev, |
667503dd | 145 | const u8 *buf, size_t len) |
6039f6d2 | 146 | { |
6829c878 JB |
147 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
148 | struct wiphy *wiphy = wdev->wiphy; | |
6039f6d2 | 149 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
6829c878 | 150 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; |
19957bb3 | 151 | const u8 *bssid = mgmt->bssid; |
19957bb3 JB |
152 | u16 reason_code; |
153 | bool from_ap; | |
6829c878 | 154 | |
4ee3e063 | 155 | trace___cfg80211_send_disassoc(dev); |
596a07c1 | 156 | ASSERT_WDEV_LOCK(wdev); |
cb0b4beb JB |
157 | |
158 | nl80211_send_disassoc(rdev, dev, buf, len, GFP_KERNEL); | |
a3b8b056 | 159 | |
596a07c1 JB |
160 | if (wdev->sme_state != CFG80211_SME_CONNECTED) |
161 | return; | |
6829c878 | 162 | |
19957bb3 | 163 | if (wdev->current_bss && |
ac422d3c | 164 | ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) { |
95de817b JB |
165 | cfg80211_sme_disassoc(dev, wdev->current_bss); |
166 | cfg80211_unhold_bss(wdev->current_bss); | |
167 | cfg80211_put_bss(&wdev->current_bss->pub); | |
168 | wdev->current_bss = NULL; | |
19957bb3 JB |
169 | } else |
170 | WARN_ON(1); | |
6829c878 | 171 | |
6829c878 | 172 | |
19957bb3 JB |
173 | reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code); |
174 | ||
ac422d3c | 175 | from_ap = !ether_addr_equal(mgmt->sa, dev->dev_addr); |
667503dd | 176 | __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap); |
667503dd | 177 | } |
ce470613 | 178 | EXPORT_SYMBOL(__cfg80211_send_disassoc); |
667503dd | 179 | |
ce470613 | 180 | void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len) |
667503dd JB |
181 | { |
182 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
183 | ||
ce470613 HS |
184 | wdev_lock(wdev); |
185 | __cfg80211_send_disassoc(dev, buf, len); | |
186 | wdev_unlock(wdev); | |
1965c853 | 187 | } |
6829c878 | 188 | EXPORT_SYMBOL(cfg80211_send_disassoc); |
1965c853 | 189 | |
cf4e594e JM |
190 | void cfg80211_send_unprot_deauth(struct net_device *dev, const u8 *buf, |
191 | size_t len) | |
192 | { | |
193 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
194 | struct wiphy *wiphy = wdev->wiphy; | |
195 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
196 | ||
4ee3e063 | 197 | trace_cfg80211_send_unprot_deauth(dev); |
cf4e594e JM |
198 | nl80211_send_unprot_deauth(rdev, dev, buf, len, GFP_ATOMIC); |
199 | } | |
200 | EXPORT_SYMBOL(cfg80211_send_unprot_deauth); | |
201 | ||
202 | void cfg80211_send_unprot_disassoc(struct net_device *dev, const u8 *buf, | |
203 | size_t len) | |
204 | { | |
205 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
206 | struct wiphy *wiphy = wdev->wiphy; | |
207 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
208 | ||
4ee3e063 | 209 | trace_cfg80211_send_unprot_disassoc(dev); |
cf4e594e JM |
210 | nl80211_send_unprot_disassoc(rdev, dev, buf, len, GFP_ATOMIC); |
211 | } | |
212 | EXPORT_SYMBOL(cfg80211_send_unprot_disassoc); | |
213 | ||
a58ce43f JB |
214 | void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr) |
215 | { | |
216 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
217 | struct wiphy *wiphy = wdev->wiphy; | |
218 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
219 | ||
4ee3e063 | 220 | trace_cfg80211_send_auth_timeout(dev, addr); |
a58ce43f JB |
221 | wdev_lock(wdev); |
222 | ||
223 | nl80211_send_auth_timeout(rdev, dev, addr, GFP_KERNEL); | |
224 | if (wdev->sme_state == CFG80211_SME_CONNECTING) | |
225 | __cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0, | |
226 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
227 | false, NULL); | |
228 | ||
667503dd | 229 | wdev_unlock(wdev); |
1965c853 JM |
230 | } |
231 | EXPORT_SYMBOL(cfg80211_send_auth_timeout); | |
232 | ||
cb0b4beb | 233 | void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr) |
1965c853 | 234 | { |
6829c878 JB |
235 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
236 | struct wiphy *wiphy = wdev->wiphy; | |
1965c853 | 237 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
19957bb3 | 238 | |
4ee3e063 | 239 | trace_cfg80211_send_assoc_timeout(dev, addr); |
667503dd | 240 | wdev_lock(wdev); |
cb0b4beb JB |
241 | |
242 | nl80211_send_assoc_timeout(rdev, dev, addr, GFP_KERNEL); | |
6829c878 | 243 | if (wdev->sme_state == CFG80211_SME_CONNECTING) |
667503dd JB |
244 | __cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0, |
245 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
df7fc0f9 | 246 | false, NULL); |
19957bb3 | 247 | |
667503dd | 248 | wdev_unlock(wdev); |
1965c853 JM |
249 | } |
250 | EXPORT_SYMBOL(cfg80211_send_assoc_timeout); | |
251 | ||
a3b8b056 JM |
252 | void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr, |
253 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 254 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
255 | { |
256 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; | |
257 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
3d23e349 | 258 | #ifdef CONFIG_CFG80211_WEXT |
f58d4ed9 | 259 | union iwreq_data wrqu; |
e6d6e342 | 260 | char *buf = kmalloc(128, gfp); |
f58d4ed9 JB |
261 | |
262 | if (buf) { | |
263 | sprintf(buf, "MLME-MICHAELMICFAILURE.indication(" | |
264 | "keyid=%d %scast addr=%pM)", key_id, | |
265 | key_type == NL80211_KEYTYPE_GROUP ? "broad" : "uni", | |
266 | addr); | |
267 | memset(&wrqu, 0, sizeof(wrqu)); | |
268 | wrqu.data.length = strlen(buf); | |
269 | wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf); | |
270 | kfree(buf); | |
271 | } | |
272 | #endif | |
273 | ||
4ee3e063 | 274 | trace_cfg80211_michael_mic_failure(dev, addr, key_type, key_id, tsc); |
e6d6e342 | 275 | nl80211_michael_mic_failure(rdev, dev, addr, key_type, key_id, tsc, gfp); |
a3b8b056 JM |
276 | } |
277 | EXPORT_SYMBOL(cfg80211_michael_mic_failure); | |
19957bb3 JB |
278 | |
279 | /* some MLME handling for userspace SME */ | |
667503dd JB |
280 | int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, |
281 | struct net_device *dev, | |
282 | struct ieee80211_channel *chan, | |
283 | enum nl80211_auth_type auth_type, | |
284 | const u8 *bssid, | |
285 | const u8 *ssid, int ssid_len, | |
fffd0934 | 286 | const u8 *ie, int ie_len, |
e39e5b5e JM |
287 | const u8 *key, int key_len, int key_idx, |
288 | const u8 *sae_data, int sae_data_len) | |
19957bb3 JB |
289 | { |
290 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
291 | struct cfg80211_auth_request req; | |
95de817b | 292 | int err; |
19957bb3 | 293 | |
667503dd JB |
294 | ASSERT_WDEV_LOCK(wdev); |
295 | ||
fffd0934 JB |
296 | if (auth_type == NL80211_AUTHTYPE_SHARED_KEY) |
297 | if (!key || !key_len || key_idx < 0 || key_idx > 4) | |
298 | return -EINVAL; | |
299 | ||
0a9b5e17 | 300 | if (wdev->current_bss && |
ac422d3c | 301 | ether_addr_equal(bssid, wdev->current_bss->pub.bssid)) |
0a9b5e17 JB |
302 | return -EALREADY; |
303 | ||
19957bb3 JB |
304 | memset(&req, 0, sizeof(req)); |
305 | ||
306 | req.ie = ie; | |
307 | req.ie_len = ie_len; | |
e39e5b5e JM |
308 | req.sae_data = sae_data; |
309 | req.sae_data_len = sae_data_len; | |
19957bb3 JB |
310 | req.auth_type = auth_type; |
311 | req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len, | |
312 | WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); | |
fffd0934 JB |
313 | req.key = key; |
314 | req.key_len = key_len; | |
315 | req.key_idx = key_idx; | |
19957bb3 JB |
316 | if (!req.bss) |
317 | return -ENOENT; | |
318 | ||
e4e32459 MK |
319 | err = cfg80211_can_use_chan(rdev, wdev, req.bss->channel, |
320 | CHAN_MODE_SHARED); | |
321 | if (err) | |
322 | goto out; | |
323 | ||
e35e4d28 | 324 | err = rdev_auth(rdev, dev, &req); |
19957bb3 | 325 | |
e4e32459 | 326 | out: |
95de817b | 327 | cfg80211_put_bss(req.bss); |
19957bb3 JB |
328 | return err; |
329 | } | |
330 | ||
667503dd JB |
331 | int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, |
332 | struct net_device *dev, struct ieee80211_channel *chan, | |
333 | enum nl80211_auth_type auth_type, const u8 *bssid, | |
334 | const u8 *ssid, int ssid_len, | |
fffd0934 | 335 | const u8 *ie, int ie_len, |
e39e5b5e JM |
336 | const u8 *key, int key_len, int key_idx, |
337 | const u8 *sae_data, int sae_data_len) | |
667503dd JB |
338 | { |
339 | int err; | |
340 | ||
e4e32459 | 341 | mutex_lock(&rdev->devlist_mtx); |
667503dd JB |
342 | wdev_lock(dev->ieee80211_ptr); |
343 | err = __cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
fffd0934 | 344 | ssid, ssid_len, ie, ie_len, |
e39e5b5e JM |
345 | key, key_len, key_idx, |
346 | sae_data, sae_data_len); | |
667503dd | 347 | wdev_unlock(dev->ieee80211_ptr); |
e4e32459 | 348 | mutex_unlock(&rdev->devlist_mtx); |
667503dd JB |
349 | |
350 | return err; | |
351 | } | |
352 | ||
7e7c8926 BG |
353 | /* Do a logical ht_capa &= ht_capa_mask. */ |
354 | void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa, | |
355 | const struct ieee80211_ht_cap *ht_capa_mask) | |
356 | { | |
357 | int i; | |
358 | u8 *p1, *p2; | |
359 | if (!ht_capa_mask) { | |
360 | memset(ht_capa, 0, sizeof(*ht_capa)); | |
361 | return; | |
362 | } | |
363 | ||
364 | p1 = (u8*)(ht_capa); | |
365 | p2 = (u8*)(ht_capa_mask); | |
366 | for (i = 0; i<sizeof(*ht_capa); i++) | |
367 | p1[i] &= p2[i]; | |
368 | } | |
369 | ||
667503dd JB |
370 | int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
371 | struct net_device *dev, | |
372 | struct ieee80211_channel *chan, | |
373 | const u8 *bssid, const u8 *prev_bssid, | |
374 | const u8 *ssid, int ssid_len, | |
375 | const u8 *ie, int ie_len, bool use_mfp, | |
7e7c8926 BG |
376 | struct cfg80211_crypto_settings *crypt, |
377 | u32 assoc_flags, struct ieee80211_ht_cap *ht_capa, | |
378 | struct ieee80211_ht_cap *ht_capa_mask) | |
19957bb3 JB |
379 | { |
380 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
381 | struct cfg80211_assoc_request req; | |
95de817b | 382 | int err; |
24b6b15f | 383 | bool was_connected = false; |
19957bb3 | 384 | |
667503dd JB |
385 | ASSERT_WDEV_LOCK(wdev); |
386 | ||
19957bb3 JB |
387 | memset(&req, 0, sizeof(req)); |
388 | ||
24b6b15f | 389 | if (wdev->current_bss && prev_bssid && |
ac422d3c | 390 | ether_addr_equal(wdev->current_bss->pub.bssid, prev_bssid)) { |
24b6b15f JM |
391 | /* |
392 | * Trying to reassociate: Allow this to proceed and let the old | |
393 | * association to be dropped when the new one is completed. | |
394 | */ | |
395 | if (wdev->sme_state == CFG80211_SME_CONNECTED) { | |
396 | was_connected = true; | |
397 | wdev->sme_state = CFG80211_SME_CONNECTING; | |
398 | } | |
399 | } else if (wdev->current_bss) | |
19957bb3 JB |
400 | return -EALREADY; |
401 | ||
402 | req.ie = ie; | |
403 | req.ie_len = ie_len; | |
404 | memcpy(&req.crypto, crypt, sizeof(req.crypto)); | |
405 | req.use_mfp = use_mfp; | |
3e5d7649 | 406 | req.prev_bssid = prev_bssid; |
7e7c8926 BG |
407 | req.flags = assoc_flags; |
408 | if (ht_capa) | |
409 | memcpy(&req.ht_capa, ht_capa, sizeof(req.ht_capa)); | |
410 | if (ht_capa_mask) | |
411 | memcpy(&req.ht_capa_mask, ht_capa_mask, | |
412 | sizeof(req.ht_capa_mask)); | |
413 | cfg80211_oper_and_ht_capa(&req.ht_capa_mask, | |
414 | rdev->wiphy.ht_capa_mod_mask); | |
415 | ||
19957bb3 JB |
416 | req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len, |
417 | WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); | |
24b6b15f JM |
418 | if (!req.bss) { |
419 | if (was_connected) | |
420 | wdev->sme_state = CFG80211_SME_CONNECTED; | |
19957bb3 | 421 | return -ENOENT; |
24b6b15f | 422 | } |
19957bb3 | 423 | |
e4e32459 MK |
424 | err = cfg80211_can_use_chan(rdev, wdev, req.bss->channel, |
425 | CHAN_MODE_SHARED); | |
426 | if (err) | |
427 | goto out; | |
428 | ||
e35e4d28 | 429 | err = rdev_assoc(rdev, dev, &req); |
19957bb3 | 430 | |
e4e32459 | 431 | out: |
95de817b JB |
432 | if (err) { |
433 | if (was_connected) | |
434 | wdev->sme_state = CFG80211_SME_CONNECTED; | |
435 | cfg80211_put_bss(req.bss); | |
19957bb3 JB |
436 | } |
437 | ||
19957bb3 JB |
438 | return err; |
439 | } | |
440 | ||
667503dd JB |
441 | int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
442 | struct net_device *dev, | |
443 | struct ieee80211_channel *chan, | |
444 | const u8 *bssid, const u8 *prev_bssid, | |
445 | const u8 *ssid, int ssid_len, | |
446 | const u8 *ie, int ie_len, bool use_mfp, | |
7e7c8926 BG |
447 | struct cfg80211_crypto_settings *crypt, |
448 | u32 assoc_flags, struct ieee80211_ht_cap *ht_capa, | |
449 | struct ieee80211_ht_cap *ht_capa_mask) | |
667503dd JB |
450 | { |
451 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
452 | int err; | |
453 | ||
e4e32459 | 454 | mutex_lock(&rdev->devlist_mtx); |
667503dd JB |
455 | wdev_lock(wdev); |
456 | err = __cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid, | |
7e7c8926 BG |
457 | ssid, ssid_len, ie, ie_len, use_mfp, crypt, |
458 | assoc_flags, ht_capa, ht_capa_mask); | |
667503dd | 459 | wdev_unlock(wdev); |
e4e32459 | 460 | mutex_unlock(&rdev->devlist_mtx); |
667503dd JB |
461 | |
462 | return err; | |
463 | } | |
464 | ||
465 | int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, | |
466 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
467 | const u8 *ie, int ie_len, u16 reason, |
468 | bool local_state_change) | |
19957bb3 JB |
469 | { |
470 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
95de817b JB |
471 | struct cfg80211_deauth_request req = { |
472 | .bssid = bssid, | |
473 | .reason_code = reason, | |
474 | .ie = ie, | |
475 | .ie_len = ie_len, | |
6863255b | 476 | .local_state_change = local_state_change, |
95de817b | 477 | }; |
19957bb3 | 478 | |
667503dd JB |
479 | ASSERT_WDEV_LOCK(wdev); |
480 | ||
6863255b SG |
481 | if (local_state_change && (!wdev->current_bss || |
482 | !ether_addr_equal(wdev->current_bss->pub.bssid, bssid))) | |
95de817b | 483 | return 0; |
19957bb3 | 484 | |
e35e4d28 | 485 | return rdev_deauth(rdev, dev, &req); |
19957bb3 JB |
486 | } |
487 | ||
667503dd JB |
488 | int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, |
489 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
490 | const u8 *ie, int ie_len, u16 reason, |
491 | bool local_state_change) | |
667503dd JB |
492 | { |
493 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
494 | int err; | |
495 | ||
496 | wdev_lock(wdev); | |
d5cdfacb JM |
497 | err = __cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason, |
498 | local_state_change); | |
667503dd JB |
499 | wdev_unlock(wdev); |
500 | ||
501 | return err; | |
502 | } | |
503 | ||
504 | static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, | |
505 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
506 | const u8 *ie, int ie_len, u16 reason, |
507 | bool local_state_change) | |
19957bb3 JB |
508 | { |
509 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
510 | struct cfg80211_disassoc_request req; | |
511 | ||
667503dd JB |
512 | ASSERT_WDEV_LOCK(wdev); |
513 | ||
f9d6b402 JB |
514 | if (wdev->sme_state != CFG80211_SME_CONNECTED) |
515 | return -ENOTCONN; | |
516 | ||
517 | if (WARN_ON(!wdev->current_bss)) | |
518 | return -ENOTCONN; | |
519 | ||
19957bb3 JB |
520 | memset(&req, 0, sizeof(req)); |
521 | req.reason_code = reason; | |
d5cdfacb | 522 | req.local_state_change = local_state_change; |
19957bb3 JB |
523 | req.ie = ie; |
524 | req.ie_len = ie_len; | |
ac422d3c | 525 | if (ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) |
19957bb3 JB |
526 | req.bss = &wdev->current_bss->pub; |
527 | else | |
528 | return -ENOTCONN; | |
529 | ||
e35e4d28 | 530 | return rdev_disassoc(rdev, dev, &req); |
667503dd JB |
531 | } |
532 | ||
533 | int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, | |
534 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
535 | const u8 *ie, int ie_len, u16 reason, |
536 | bool local_state_change) | |
667503dd JB |
537 | { |
538 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
539 | int err; | |
540 | ||
541 | wdev_lock(wdev); | |
d5cdfacb JM |
542 | err = __cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason, |
543 | local_state_change); | |
667503dd JB |
544 | wdev_unlock(wdev); |
545 | ||
546 | return err; | |
19957bb3 JB |
547 | } |
548 | ||
549 | void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, | |
550 | struct net_device *dev) | |
551 | { | |
552 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
553 | struct cfg80211_deauth_request req; | |
95de817b | 554 | u8 bssid[ETH_ALEN]; |
19957bb3 | 555 | |
667503dd JB |
556 | ASSERT_WDEV_LOCK(wdev); |
557 | ||
19957bb3 JB |
558 | if (!rdev->ops->deauth) |
559 | return; | |
560 | ||
561 | memset(&req, 0, sizeof(req)); | |
562 | req.reason_code = WLAN_REASON_DEAUTH_LEAVING; | |
563 | req.ie = NULL; | |
564 | req.ie_len = 0; | |
565 | ||
95de817b JB |
566 | if (!wdev->current_bss) |
567 | return; | |
19957bb3 | 568 | |
95de817b JB |
569 | memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN); |
570 | req.bssid = bssid; | |
e35e4d28 | 571 | rdev_deauth(rdev, dev, &req); |
95de817b JB |
572 | |
573 | if (wdev->current_bss) { | |
574 | cfg80211_unhold_bss(wdev->current_bss); | |
575 | cfg80211_put_bss(&wdev->current_bss->pub); | |
576 | wdev->current_bss = NULL; | |
19957bb3 JB |
577 | } |
578 | } | |
9588bbd5 | 579 | |
71bbc994 | 580 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 581 | struct ieee80211_channel *chan, |
9588bbd5 JM |
582 | unsigned int duration, gfp_t gfp) |
583 | { | |
71bbc994 | 584 | struct wiphy *wiphy = wdev->wiphy; |
9588bbd5 JM |
585 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
586 | ||
42d97a59 JB |
587 | trace_cfg80211_ready_on_channel(wdev, cookie, chan, duration); |
588 | nl80211_send_remain_on_channel(rdev, wdev, cookie, chan, duration, gfp); | |
9588bbd5 JM |
589 | } |
590 | EXPORT_SYMBOL(cfg80211_ready_on_channel); | |
591 | ||
71bbc994 | 592 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
9588bbd5 | 593 | struct ieee80211_channel *chan, |
9588bbd5 JM |
594 | gfp_t gfp) |
595 | { | |
71bbc994 | 596 | struct wiphy *wiphy = wdev->wiphy; |
9588bbd5 JM |
597 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
598 | ||
42d97a59 JB |
599 | trace_cfg80211_ready_on_channel_expired(wdev, cookie, chan); |
600 | nl80211_send_remain_on_channel_cancel(rdev, wdev, cookie, chan, gfp); | |
9588bbd5 JM |
601 | } |
602 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); | |
98b62183 JB |
603 | |
604 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, | |
605 | struct station_info *sinfo, gfp_t gfp) | |
606 | { | |
607 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; | |
608 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
609 | ||
4ee3e063 | 610 | trace_cfg80211_new_sta(dev, mac_addr, sinfo); |
98b62183 JB |
611 | nl80211_send_sta_event(rdev, dev, mac_addr, sinfo, gfp); |
612 | } | |
613 | EXPORT_SYMBOL(cfg80211_new_sta); | |
026331c4 | 614 | |
ec15e68b JM |
615 | void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) |
616 | { | |
617 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; | |
618 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
619 | ||
4ee3e063 | 620 | trace_cfg80211_del_sta(dev, mac_addr); |
ec15e68b JM |
621 | nl80211_send_sta_del_event(rdev, dev, mac_addr, gfp); |
622 | } | |
623 | EXPORT_SYMBOL(cfg80211_del_sta); | |
624 | ||
ed44a951 PP |
625 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
626 | enum nl80211_connect_failed_reason reason, | |
627 | gfp_t gfp) | |
628 | { | |
629 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; | |
630 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
631 | ||
632 | nl80211_send_conn_failed_event(rdev, dev, mac_addr, reason, gfp); | |
633 | } | |
634 | EXPORT_SYMBOL(cfg80211_conn_failed); | |
635 | ||
2e161f78 | 636 | struct cfg80211_mgmt_registration { |
026331c4 JM |
637 | struct list_head list; |
638 | ||
15e47304 | 639 | u32 nlportid; |
026331c4 JM |
640 | |
641 | int match_len; | |
642 | ||
2e161f78 JB |
643 | __le16 frame_type; |
644 | ||
026331c4 JM |
645 | u8 match[]; |
646 | }; | |
647 | ||
15e47304 | 648 | int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_portid, |
2e161f78 JB |
649 | u16 frame_type, const u8 *match_data, |
650 | int match_len) | |
026331c4 | 651 | { |
271733cf JB |
652 | struct wiphy *wiphy = wdev->wiphy; |
653 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
2e161f78 | 654 | struct cfg80211_mgmt_registration *reg, *nreg; |
026331c4 | 655 | int err = 0; |
2e161f78 JB |
656 | u16 mgmt_type; |
657 | ||
658 | if (!wdev->wiphy->mgmt_stypes) | |
659 | return -EOPNOTSUPP; | |
660 | ||
661 | if ((frame_type & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT) | |
662 | return -EINVAL; | |
663 | ||
664 | if (frame_type & ~(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) | |
665 | return -EINVAL; | |
666 | ||
667 | mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4; | |
668 | if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].rx & BIT(mgmt_type))) | |
669 | return -EINVAL; | |
026331c4 JM |
670 | |
671 | nreg = kzalloc(sizeof(*reg) + match_len, GFP_KERNEL); | |
672 | if (!nreg) | |
673 | return -ENOMEM; | |
674 | ||
2e161f78 | 675 | spin_lock_bh(&wdev->mgmt_registrations_lock); |
026331c4 | 676 | |
2e161f78 | 677 | list_for_each_entry(reg, &wdev->mgmt_registrations, list) { |
026331c4 JM |
678 | int mlen = min(match_len, reg->match_len); |
679 | ||
2e161f78 JB |
680 | if (frame_type != le16_to_cpu(reg->frame_type)) |
681 | continue; | |
682 | ||
026331c4 JM |
683 | if (memcmp(reg->match, match_data, mlen) == 0) { |
684 | err = -EALREADY; | |
685 | break; | |
686 | } | |
687 | } | |
688 | ||
689 | if (err) { | |
690 | kfree(nreg); | |
691 | goto out; | |
692 | } | |
693 | ||
694 | memcpy(nreg->match, match_data, match_len); | |
695 | nreg->match_len = match_len; | |
15e47304 | 696 | nreg->nlportid = snd_portid; |
2e161f78 JB |
697 | nreg->frame_type = cpu_to_le16(frame_type); |
698 | list_add(&nreg->list, &wdev->mgmt_registrations); | |
026331c4 | 699 | |
271733cf | 700 | if (rdev->ops->mgmt_frame_register) |
e35e4d28 | 701 | rdev_mgmt_frame_register(rdev, wdev, frame_type, true); |
271733cf | 702 | |
026331c4 | 703 | out: |
2e161f78 | 704 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
271733cf | 705 | |
026331c4 JM |
706 | return err; |
707 | } | |
708 | ||
15e47304 | 709 | void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlportid) |
026331c4 | 710 | { |
271733cf JB |
711 | struct wiphy *wiphy = wdev->wiphy; |
712 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
2e161f78 | 713 | struct cfg80211_mgmt_registration *reg, *tmp; |
026331c4 | 714 | |
2e161f78 | 715 | spin_lock_bh(&wdev->mgmt_registrations_lock); |
026331c4 | 716 | |
2e161f78 | 717 | list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) { |
15e47304 | 718 | if (reg->nlportid != nlportid) |
271733cf JB |
719 | continue; |
720 | ||
721 | if (rdev->ops->mgmt_frame_register) { | |
722 | u16 frame_type = le16_to_cpu(reg->frame_type); | |
723 | ||
e35e4d28 HG |
724 | rdev_mgmt_frame_register(rdev, wdev, |
725 | frame_type, false); | |
026331c4 | 726 | } |
271733cf JB |
727 | |
728 | list_del(®->list); | |
729 | kfree(reg); | |
026331c4 JM |
730 | } |
731 | ||
2e161f78 | 732 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
28946da7 | 733 | |
15e47304 EB |
734 | if (nlportid == wdev->ap_unexpected_nlportid) |
735 | wdev->ap_unexpected_nlportid = 0; | |
026331c4 JM |
736 | } |
737 | ||
2e161f78 | 738 | void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev) |
026331c4 | 739 | { |
2e161f78 | 740 | struct cfg80211_mgmt_registration *reg, *tmp; |
026331c4 | 741 | |
2e161f78 | 742 | spin_lock_bh(&wdev->mgmt_registrations_lock); |
026331c4 | 743 | |
2e161f78 | 744 | list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) { |
026331c4 JM |
745 | list_del(®->list); |
746 | kfree(reg); | |
747 | } | |
748 | ||
2e161f78 | 749 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
026331c4 JM |
750 | } |
751 | ||
2e161f78 | 752 | int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, |
71bbc994 | 753 | struct wireless_dev *wdev, |
f7ca38df | 754 | struct ieee80211_channel *chan, bool offchan, |
42d97a59 JB |
755 | unsigned int wait, const u8 *buf, size_t len, |
756 | bool no_cck, bool dont_wait_for_ack, u64 *cookie) | |
026331c4 | 757 | { |
026331c4 | 758 | const struct ieee80211_mgmt *mgmt; |
2e161f78 JB |
759 | u16 stype; |
760 | ||
761 | if (!wdev->wiphy->mgmt_stypes) | |
762 | return -EOPNOTSUPP; | |
026331c4 | 763 | |
2e161f78 | 764 | if (!rdev->ops->mgmt_tx) |
026331c4 | 765 | return -EOPNOTSUPP; |
2e161f78 | 766 | |
026331c4 JM |
767 | if (len < 24 + 1) |
768 | return -EINVAL; | |
769 | ||
770 | mgmt = (const struct ieee80211_mgmt *) buf; | |
2e161f78 JB |
771 | |
772 | if (!ieee80211_is_mgmt(mgmt->frame_control)) | |
026331c4 | 773 | return -EINVAL; |
2e161f78 JB |
774 | |
775 | stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE; | |
776 | if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].tx & BIT(stype >> 4))) | |
777 | return -EINVAL; | |
778 | ||
779 | if (ieee80211_is_action(mgmt->frame_control) && | |
780 | mgmt->u.action.category != WLAN_CATEGORY_PUBLIC) { | |
663fcafd JB |
781 | int err = 0; |
782 | ||
fe100acd JB |
783 | wdev_lock(wdev); |
784 | ||
663fcafd JB |
785 | switch (wdev->iftype) { |
786 | case NL80211_IFTYPE_ADHOC: | |
787 | case NL80211_IFTYPE_STATION: | |
788 | case NL80211_IFTYPE_P2P_CLIENT: | |
789 | if (!wdev->current_bss) { | |
790 | err = -ENOTCONN; | |
791 | break; | |
792 | } | |
793 | ||
ac422d3c JP |
794 | if (!ether_addr_equal(wdev->current_bss->pub.bssid, |
795 | mgmt->bssid)) { | |
663fcafd JB |
796 | err = -ENOTCONN; |
797 | break; | |
798 | } | |
799 | ||
800 | /* | |
801 | * check for IBSS DA must be done by driver as | |
802 | * cfg80211 doesn't track the stations | |
803 | */ | |
804 | if (wdev->iftype == NL80211_IFTYPE_ADHOC) | |
805 | break; | |
fe100acd | 806 | |
663fcafd | 807 | /* for station, check that DA is the AP */ |
ac422d3c JP |
808 | if (!ether_addr_equal(wdev->current_bss->pub.bssid, |
809 | mgmt->da)) { | |
663fcafd JB |
810 | err = -ENOTCONN; |
811 | break; | |
812 | } | |
813 | break; | |
814 | case NL80211_IFTYPE_AP: | |
815 | case NL80211_IFTYPE_P2P_GO: | |
816 | case NL80211_IFTYPE_AP_VLAN: | |
98104fde | 817 | if (!ether_addr_equal(mgmt->bssid, wdev_address(wdev))) |
663fcafd JB |
818 | err = -EINVAL; |
819 | break; | |
0778a6a3 | 820 | case NL80211_IFTYPE_MESH_POINT: |
ac422d3c | 821 | if (!ether_addr_equal(mgmt->sa, mgmt->bssid)) { |
0778a6a3 JC |
822 | err = -EINVAL; |
823 | break; | |
824 | } | |
825 | /* | |
826 | * check for mesh DA must be done by driver as | |
827 | * cfg80211 doesn't track the stations | |
828 | */ | |
829 | break; | |
98104fde JB |
830 | case NL80211_IFTYPE_P2P_DEVICE: |
831 | /* | |
832 | * fall through, P2P device only supports | |
833 | * public action frames | |
834 | */ | |
663fcafd JB |
835 | default: |
836 | err = -EOPNOTSUPP; | |
837 | break; | |
838 | } | |
fe100acd | 839 | wdev_unlock(wdev); |
663fcafd JB |
840 | |
841 | if (err) | |
842 | return err; | |
026331c4 JM |
843 | } |
844 | ||
98104fde | 845 | if (!ether_addr_equal(mgmt->sa, wdev_address(wdev))) |
026331c4 JM |
846 | return -EINVAL; |
847 | ||
848 | /* Transmit the Action frame as requested by user space */ | |
e35e4d28 | 849 | return rdev_mgmt_tx(rdev, wdev, chan, offchan, |
e35e4d28 HG |
850 | wait, buf, len, no_cck, dont_wait_for_ack, |
851 | cookie); | |
026331c4 JM |
852 | } |
853 | ||
71bbc994 | 854 | bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_mbm, |
804483e9 | 855 | const u8 *buf, size_t len, gfp_t gfp) |
026331c4 | 856 | { |
026331c4 JM |
857 | struct wiphy *wiphy = wdev->wiphy; |
858 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
2e161f78 JB |
859 | struct cfg80211_mgmt_registration *reg; |
860 | const struct ieee80211_txrx_stypes *stypes = | |
861 | &wiphy->mgmt_stypes[wdev->iftype]; | |
862 | struct ieee80211_mgmt *mgmt = (void *)buf; | |
863 | const u8 *data; | |
864 | int data_len; | |
026331c4 | 865 | bool result = false; |
2e161f78 JB |
866 | __le16 ftype = mgmt->frame_control & |
867 | cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE); | |
868 | u16 stype; | |
026331c4 | 869 | |
4ee3e063 | 870 | trace_cfg80211_rx_mgmt(wdev, freq, sig_mbm); |
2e161f78 | 871 | stype = (le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE) >> 4; |
026331c4 | 872 | |
4ee3e063 BL |
873 | if (!(stypes->rx & BIT(stype))) { |
874 | trace_cfg80211_return_bool(false); | |
2e161f78 | 875 | return false; |
4ee3e063 | 876 | } |
026331c4 | 877 | |
2e161f78 JB |
878 | data = buf + ieee80211_hdrlen(mgmt->frame_control); |
879 | data_len = len - ieee80211_hdrlen(mgmt->frame_control); | |
880 | ||
881 | spin_lock_bh(&wdev->mgmt_registrations_lock); | |
882 | ||
883 | list_for_each_entry(reg, &wdev->mgmt_registrations, list) { | |
884 | if (reg->frame_type != ftype) | |
885 | continue; | |
026331c4 | 886 | |
2e161f78 | 887 | if (reg->match_len > data_len) |
026331c4 JM |
888 | continue; |
889 | ||
2e161f78 | 890 | if (memcmp(reg->match, data, reg->match_len)) |
026331c4 JM |
891 | continue; |
892 | ||
893 | /* found match! */ | |
894 | ||
895 | /* Indicate the received Action frame to user space */ | |
15e47304 | 896 | if (nl80211_send_mgmt(rdev, wdev, reg->nlportid, |
804483e9 | 897 | freq, sig_mbm, |
2e161f78 | 898 | buf, len, gfp)) |
026331c4 JM |
899 | continue; |
900 | ||
901 | result = true; | |
902 | break; | |
903 | } | |
904 | ||
2e161f78 | 905 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
026331c4 | 906 | |
4ee3e063 | 907 | trace_cfg80211_return_bool(result); |
026331c4 JM |
908 | return result; |
909 | } | |
2e161f78 | 910 | EXPORT_SYMBOL(cfg80211_rx_mgmt); |
026331c4 | 911 | |
71bbc994 | 912 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
2e161f78 | 913 | const u8 *buf, size_t len, bool ack, gfp_t gfp) |
026331c4 | 914 | { |
026331c4 JM |
915 | struct wiphy *wiphy = wdev->wiphy; |
916 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
917 | ||
4ee3e063 BL |
918 | trace_cfg80211_mgmt_tx_status(wdev, cookie, ack); |
919 | ||
026331c4 | 920 | /* Indicate TX status of the Action frame to user space */ |
71bbc994 | 921 | nl80211_send_mgmt_tx_status(rdev, wdev, cookie, buf, len, ack, gfp); |
026331c4 | 922 | } |
2e161f78 | 923 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
d6dc1a38 JO |
924 | |
925 | void cfg80211_cqm_rssi_notify(struct net_device *dev, | |
926 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
927 | gfp_t gfp) | |
928 | { | |
929 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
930 | struct wiphy *wiphy = wdev->wiphy; | |
931 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
932 | ||
4ee3e063 BL |
933 | trace_cfg80211_cqm_rssi_notify(dev, rssi_event); |
934 | ||
d6dc1a38 JO |
935 | /* Indicate roaming trigger event to user space */ |
936 | nl80211_send_cqm_rssi_notify(rdev, dev, rssi_event, gfp); | |
937 | } | |
938 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); | |
c063dbf5 JB |
939 | |
940 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, | |
941 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
942 | { | |
943 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
944 | struct wiphy *wiphy = wdev->wiphy; | |
945 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
946 | ||
4ee3e063 BL |
947 | trace_cfg80211_cqm_pktloss_notify(dev, peer, num_packets); |
948 | ||
c063dbf5 JB |
949 | /* Indicate roaming trigger event to user space */ |
950 | nl80211_send_cqm_pktloss_notify(rdev, dev, peer, num_packets, gfp); | |
951 | } | |
952 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); | |
e5497d76 | 953 | |
84f10708 TP |
954 | void cfg80211_cqm_txe_notify(struct net_device *dev, |
955 | const u8 *peer, u32 num_packets, | |
956 | u32 rate, u32 intvl, gfp_t gfp) | |
957 | { | |
958 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
959 | struct wiphy *wiphy = wdev->wiphy; | |
960 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
961 | ||
962 | nl80211_send_cqm_txe_notify(rdev, dev, peer, num_packets, | |
963 | rate, intvl, gfp); | |
964 | } | |
965 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); | |
966 | ||
e5497d76 JB |
967 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
968 | const u8 *replay_ctr, gfp_t gfp) | |
969 | { | |
970 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
971 | struct wiphy *wiphy = wdev->wiphy; | |
972 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
973 | ||
4ee3e063 | 974 | trace_cfg80211_gtk_rekey_notify(dev, bssid); |
e5497d76 JB |
975 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); |
976 | } | |
977 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
c9df56b4 JM |
978 | |
979 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, | |
980 | const u8 *bssid, bool preauth, gfp_t gfp) | |
981 | { | |
982 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
983 | struct wiphy *wiphy = wdev->wiphy; | |
984 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
985 | ||
4ee3e063 | 986 | trace_cfg80211_pmksa_candidate_notify(dev, index, bssid, preauth); |
c9df56b4 JM |
987 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); |
988 | } | |
989 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
28946da7 | 990 | |
5314526b TP |
991 | void cfg80211_ch_switch_notify(struct net_device *dev, int freq, |
992 | enum nl80211_channel_type type) | |
993 | { | |
994 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
995 | struct wiphy *wiphy = wdev->wiphy; | |
996 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
997 | struct ieee80211_channel *chan; | |
998 | ||
4ee3e063 BL |
999 | trace_cfg80211_ch_switch_notify(dev, freq, type); |
1000 | ||
5314526b TP |
1001 | wdev_lock(wdev); |
1002 | ||
1003 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
1004 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) | |
1005 | goto out; | |
1006 | ||
1007 | chan = rdev_freq_to_chan(rdev, freq, type); | |
1008 | if (WARN_ON(!chan)) | |
1009 | goto out; | |
1010 | ||
f4489ebe | 1011 | wdev->channel = chan; |
5314526b TP |
1012 | nl80211_ch_switch_notify(rdev, dev, freq, type, GFP_KERNEL); |
1013 | out: | |
1014 | wdev_unlock(wdev); | |
1015 | return; | |
1016 | } | |
1017 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
1018 | ||
28946da7 JB |
1019 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
1020 | const u8 *addr, gfp_t gfp) | |
1021 | { | |
1022 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
4ee3e063 BL |
1023 | bool ret; |
1024 | ||
1025 | trace_cfg80211_rx_spurious_frame(dev, addr); | |
28946da7 JB |
1026 | |
1027 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
4ee3e063 BL |
1028 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) { |
1029 | trace_cfg80211_return_bool(false); | |
28946da7 | 1030 | return false; |
4ee3e063 BL |
1031 | } |
1032 | ret = nl80211_unexpected_frame(dev, addr, gfp); | |
1033 | trace_cfg80211_return_bool(ret); | |
1034 | return ret; | |
28946da7 JB |
1035 | } |
1036 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); | |
b92ab5d8 JB |
1037 | |
1038 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, | |
1039 | const u8 *addr, gfp_t gfp) | |
1040 | { | |
1041 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
4ee3e063 BL |
1042 | bool ret; |
1043 | ||
1044 | trace_cfg80211_rx_unexpected_4addr_frame(dev, addr); | |
b92ab5d8 JB |
1045 | |
1046 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
1047 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
4ee3e063 BL |
1048 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) { |
1049 | trace_cfg80211_return_bool(false); | |
b92ab5d8 | 1050 | return false; |
4ee3e063 BL |
1051 | } |
1052 | ret = nl80211_unexpected_4addr_frame(dev, addr, gfp); | |
1053 | trace_cfg80211_return_bool(ret); | |
1054 | return ret; | |
b92ab5d8 JB |
1055 | } |
1056 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |