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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" | |
18 | ||
cb0b4beb | 19 | void cfg80211_send_rx_auth(struct net_device *dev, const u8 *buf, size_t len) |
6039f6d2 | 20 | { |
19957bb3 JB |
21 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
22 | struct wiphy *wiphy = wdev->wiphy; | |
6039f6d2 | 23 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
19957bb3 | 24 | |
667503dd | 25 | wdev_lock(wdev); |
cb0b4beb | 26 | |
95de817b JB |
27 | nl80211_send_rx_auth(rdev, dev, buf, len, GFP_KERNEL); |
28 | cfg80211_sme_rx_auth(dev, buf, len); | |
667503dd JB |
29 | |
30 | wdev_unlock(wdev); | |
6039f6d2 JM |
31 | } |
32 | EXPORT_SYMBOL(cfg80211_send_rx_auth); | |
33 | ||
95de817b JB |
34 | void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss, |
35 | const u8 *buf, size_t len) | |
6039f6d2 | 36 | { |
6829c878 JB |
37 | u16 status_code; |
38 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
39 | struct wiphy *wiphy = wdev->wiphy; | |
6039f6d2 | 40 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
6829c878 JB |
41 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; |
42 | u8 *ie = mgmt->u.assoc_resp.variable; | |
95de817b | 43 | int ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable); |
6829c878 | 44 | |
667503dd | 45 | wdev_lock(wdev); |
cb0b4beb | 46 | |
6829c878 JB |
47 | status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code); |
48 | ||
f401a6f7 JB |
49 | /* |
50 | * This is a bit of a hack, we don't notify userspace of | |
51 | * a (re-)association reply if we tried to send a reassoc | |
52 | * and got a reject -- we only try again with an assoc | |
53 | * frame instead of reassoc. | |
54 | */ | |
55 | if (status_code != WLAN_STATUS_SUCCESS && wdev->conn && | |
95de817b JB |
56 | cfg80211_sme_failed_reassoc(wdev)) { |
57 | cfg80211_put_bss(bss); | |
f401a6f7 | 58 | goto out; |
95de817b | 59 | } |
f401a6f7 | 60 | |
cb0b4beb | 61 | nl80211_send_rx_assoc(rdev, dev, buf, len, GFP_KERNEL); |
6829c878 | 62 | |
95de817b | 63 | if (status_code != WLAN_STATUS_SUCCESS && wdev->conn) { |
7d930bc3 | 64 | cfg80211_sme_failed_assoc(wdev); |
7d930bc3 JB |
65 | /* |
66 | * do not call connect_result() now because the | |
67 | * sme will schedule work that does it later. | |
68 | */ | |
95de817b | 69 | cfg80211_put_bss(bss); |
7d930bc3 | 70 | goto out; |
df7fc0f9 JB |
71 | } |
72 | ||
ea416a79 JB |
73 | if (!wdev->conn && wdev->sme_state == CFG80211_SME_IDLE) { |
74 | /* | |
75 | * This is for the userspace SME, the CONNECTING | |
76 | * state will be changed to CONNECTED by | |
77 | * __cfg80211_connect_result() below. | |
78 | */ | |
79 | wdev->sme_state = CFG80211_SME_CONNECTING; | |
80 | } | |
81 | ||
95de817b | 82 | /* this consumes the bss reference */ |
df7fc0f9 JB |
83 | __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, ie, len - ieoffs, |
84 | status_code, | |
95de817b | 85 | status_code == WLAN_STATUS_SUCCESS, bss); |
f401a6f7 | 86 | out: |
667503dd | 87 | wdev_unlock(wdev); |
6039f6d2 JM |
88 | } |
89 | EXPORT_SYMBOL(cfg80211_send_rx_assoc); | |
90 | ||
ce470613 | 91 | void __cfg80211_send_deauth(struct net_device *dev, |
667503dd | 92 | const u8 *buf, size_t len) |
6039f6d2 | 93 | { |
6829c878 JB |
94 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
95 | struct wiphy *wiphy = wdev->wiphy; | |
6039f6d2 | 96 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
6829c878 | 97 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; |
19957bb3 | 98 | const u8 *bssid = mgmt->bssid; |
95de817b | 99 | bool was_current = false; |
6829c878 | 100 | |
667503dd | 101 | ASSERT_WDEV_LOCK(wdev); |
cb0b4beb | 102 | |
19957bb3 | 103 | if (wdev->current_bss && |
c6fb08aa | 104 | compare_ether_addr(wdev->current_bss->pub.bssid, bssid) == 0) { |
19957bb3 JB |
105 | cfg80211_unhold_bss(wdev->current_bss); |
106 | cfg80211_put_bss(&wdev->current_bss->pub); | |
107 | wdev->current_bss = NULL; | |
3f3b6a8d | 108 | was_current = true; |
19957bb3 | 109 | } |
19957bb3 | 110 | |
5fba4af3 JB |
111 | nl80211_send_deauth(rdev, dev, buf, len, GFP_KERNEL); |
112 | ||
3f3b6a8d | 113 | if (wdev->sme_state == CFG80211_SME_CONNECTED && was_current) { |
6829c878 JB |
114 | u16 reason_code; |
115 | bool from_ap; | |
116 | ||
117 | reason_code = le16_to_cpu(mgmt->u.deauth.reason_code); | |
118 | ||
c6fb08aa | 119 | from_ap = compare_ether_addr(mgmt->sa, dev->dev_addr) != 0; |
667503dd | 120 | __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap); |
6829c878 | 121 | } else if (wdev->sme_state == CFG80211_SME_CONNECTING) { |
667503dd JB |
122 | __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0, |
123 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
df7fc0f9 | 124 | false, NULL); |
667503dd JB |
125 | } |
126 | } | |
ce470613 | 127 | EXPORT_SYMBOL(__cfg80211_send_deauth); |
667503dd | 128 | |
ce470613 | 129 | void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len) |
667503dd JB |
130 | { |
131 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
132 | ||
ce470613 HS |
133 | wdev_lock(wdev); |
134 | __cfg80211_send_deauth(dev, buf, len); | |
135 | wdev_unlock(wdev); | |
6039f6d2 | 136 | } |
53b46b84 | 137 | EXPORT_SYMBOL(cfg80211_send_deauth); |
6039f6d2 | 138 | |
ce470613 | 139 | void __cfg80211_send_disassoc(struct net_device *dev, |
667503dd | 140 | const u8 *buf, size_t len) |
6039f6d2 | 141 | { |
6829c878 JB |
142 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
143 | struct wiphy *wiphy = wdev->wiphy; | |
6039f6d2 | 144 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
6829c878 | 145 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; |
19957bb3 | 146 | const u8 *bssid = mgmt->bssid; |
19957bb3 JB |
147 | u16 reason_code; |
148 | bool from_ap; | |
6829c878 | 149 | |
596a07c1 | 150 | ASSERT_WDEV_LOCK(wdev); |
cb0b4beb JB |
151 | |
152 | nl80211_send_disassoc(rdev, dev, buf, len, GFP_KERNEL); | |
a3b8b056 | 153 | |
596a07c1 JB |
154 | if (wdev->sme_state != CFG80211_SME_CONNECTED) |
155 | return; | |
6829c878 | 156 | |
19957bb3 | 157 | if (wdev->current_bss && |
c6fb08aa | 158 | compare_ether_addr(wdev->current_bss->pub.bssid, bssid) == 0) { |
95de817b JB |
159 | cfg80211_sme_disassoc(dev, wdev->current_bss); |
160 | cfg80211_unhold_bss(wdev->current_bss); | |
161 | cfg80211_put_bss(&wdev->current_bss->pub); | |
162 | wdev->current_bss = NULL; | |
19957bb3 JB |
163 | } else |
164 | WARN_ON(1); | |
6829c878 | 165 | |
6829c878 | 166 | |
19957bb3 JB |
167 | reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code); |
168 | ||
c6fb08aa | 169 | from_ap = compare_ether_addr(mgmt->sa, dev->dev_addr) != 0; |
667503dd | 170 | __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap); |
667503dd | 171 | } |
ce470613 | 172 | EXPORT_SYMBOL(__cfg80211_send_disassoc); |
667503dd | 173 | |
ce470613 | 174 | void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len) |
667503dd JB |
175 | { |
176 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
177 | ||
ce470613 HS |
178 | wdev_lock(wdev); |
179 | __cfg80211_send_disassoc(dev, buf, len); | |
180 | wdev_unlock(wdev); | |
1965c853 | 181 | } |
6829c878 | 182 | EXPORT_SYMBOL(cfg80211_send_disassoc); |
1965c853 | 183 | |
cf4e594e JM |
184 | void cfg80211_send_unprot_deauth(struct net_device *dev, const u8 *buf, |
185 | size_t len) | |
186 | { | |
187 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
188 | struct wiphy *wiphy = wdev->wiphy; | |
189 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
190 | ||
191 | nl80211_send_unprot_deauth(rdev, dev, buf, len, GFP_ATOMIC); | |
192 | } | |
193 | EXPORT_SYMBOL(cfg80211_send_unprot_deauth); | |
194 | ||
195 | void cfg80211_send_unprot_disassoc(struct net_device *dev, const u8 *buf, | |
196 | size_t len) | |
197 | { | |
198 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
199 | struct wiphy *wiphy = wdev->wiphy; | |
200 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
201 | ||
202 | nl80211_send_unprot_disassoc(rdev, dev, buf, len, GFP_ATOMIC); | |
203 | } | |
204 | EXPORT_SYMBOL(cfg80211_send_unprot_disassoc); | |
205 | ||
a58ce43f JB |
206 | void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr) |
207 | { | |
208 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
209 | struct wiphy *wiphy = wdev->wiphy; | |
210 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
211 | ||
212 | wdev_lock(wdev); | |
213 | ||
214 | nl80211_send_auth_timeout(rdev, dev, addr, GFP_KERNEL); | |
215 | if (wdev->sme_state == CFG80211_SME_CONNECTING) | |
216 | __cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0, | |
217 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
218 | false, NULL); | |
219 | ||
667503dd | 220 | wdev_unlock(wdev); |
1965c853 JM |
221 | } |
222 | EXPORT_SYMBOL(cfg80211_send_auth_timeout); | |
223 | ||
cb0b4beb | 224 | void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr) |
1965c853 | 225 | { |
6829c878 JB |
226 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
227 | struct wiphy *wiphy = wdev->wiphy; | |
1965c853 | 228 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
19957bb3 | 229 | |
667503dd | 230 | wdev_lock(wdev); |
cb0b4beb JB |
231 | |
232 | nl80211_send_assoc_timeout(rdev, dev, addr, GFP_KERNEL); | |
6829c878 | 233 | if (wdev->sme_state == CFG80211_SME_CONNECTING) |
667503dd JB |
234 | __cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0, |
235 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
df7fc0f9 | 236 | false, NULL); |
19957bb3 | 237 | |
667503dd | 238 | wdev_unlock(wdev); |
1965c853 JM |
239 | } |
240 | EXPORT_SYMBOL(cfg80211_send_assoc_timeout); | |
241 | ||
a3b8b056 JM |
242 | void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr, |
243 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 244 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
245 | { |
246 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; | |
247 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
3d23e349 | 248 | #ifdef CONFIG_CFG80211_WEXT |
f58d4ed9 | 249 | union iwreq_data wrqu; |
e6d6e342 | 250 | char *buf = kmalloc(128, gfp); |
f58d4ed9 JB |
251 | |
252 | if (buf) { | |
253 | sprintf(buf, "MLME-MICHAELMICFAILURE.indication(" | |
254 | "keyid=%d %scast addr=%pM)", key_id, | |
255 | key_type == NL80211_KEYTYPE_GROUP ? "broad" : "uni", | |
256 | addr); | |
257 | memset(&wrqu, 0, sizeof(wrqu)); | |
258 | wrqu.data.length = strlen(buf); | |
259 | wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf); | |
260 | kfree(buf); | |
261 | } | |
262 | #endif | |
263 | ||
e6d6e342 | 264 | nl80211_michael_mic_failure(rdev, dev, addr, key_type, key_id, tsc, gfp); |
a3b8b056 JM |
265 | } |
266 | EXPORT_SYMBOL(cfg80211_michael_mic_failure); | |
19957bb3 JB |
267 | |
268 | /* some MLME handling for userspace SME */ | |
667503dd JB |
269 | int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, |
270 | struct net_device *dev, | |
271 | struct ieee80211_channel *chan, | |
272 | enum nl80211_auth_type auth_type, | |
273 | const u8 *bssid, | |
274 | const u8 *ssid, int ssid_len, | |
fffd0934 | 275 | const u8 *ie, int ie_len, |
95de817b | 276 | const u8 *key, int key_len, int key_idx) |
19957bb3 JB |
277 | { |
278 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
279 | struct cfg80211_auth_request req; | |
95de817b | 280 | int err; |
19957bb3 | 281 | |
667503dd JB |
282 | ASSERT_WDEV_LOCK(wdev); |
283 | ||
fffd0934 JB |
284 | if (auth_type == NL80211_AUTHTYPE_SHARED_KEY) |
285 | if (!key || !key_len || key_idx < 0 || key_idx > 4) | |
286 | return -EINVAL; | |
287 | ||
0a9b5e17 | 288 | if (wdev->current_bss && |
c6fb08aa | 289 | compare_ether_addr(bssid, wdev->current_bss->pub.bssid) == 0) |
0a9b5e17 JB |
290 | return -EALREADY; |
291 | ||
19957bb3 JB |
292 | memset(&req, 0, sizeof(req)); |
293 | ||
294 | req.ie = ie; | |
295 | req.ie_len = ie_len; | |
296 | req.auth_type = auth_type; | |
297 | req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len, | |
298 | WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); | |
fffd0934 JB |
299 | req.key = key; |
300 | req.key_len = key_len; | |
301 | req.key_idx = key_idx; | |
19957bb3 JB |
302 | if (!req.bss) |
303 | return -ENOENT; | |
304 | ||
19957bb3 | 305 | err = rdev->ops->auth(&rdev->wiphy, dev, &req); |
19957bb3 | 306 | |
95de817b | 307 | cfg80211_put_bss(req.bss); |
19957bb3 JB |
308 | return err; |
309 | } | |
310 | ||
667503dd JB |
311 | int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, |
312 | struct net_device *dev, struct ieee80211_channel *chan, | |
313 | enum nl80211_auth_type auth_type, const u8 *bssid, | |
314 | const u8 *ssid, int ssid_len, | |
fffd0934 | 315 | const u8 *ie, int ie_len, |
95de817b | 316 | const u8 *key, int key_len, int key_idx) |
667503dd JB |
317 | { |
318 | int err; | |
319 | ||
320 | wdev_lock(dev->ieee80211_ptr); | |
321 | err = __cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
fffd0934 | 322 | ssid, ssid_len, ie, ie_len, |
95de817b | 323 | key, key_len, key_idx); |
667503dd JB |
324 | wdev_unlock(dev->ieee80211_ptr); |
325 | ||
326 | return err; | |
327 | } | |
328 | ||
7e7c8926 BG |
329 | /* Do a logical ht_capa &= ht_capa_mask. */ |
330 | void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa, | |
331 | const struct ieee80211_ht_cap *ht_capa_mask) | |
332 | { | |
333 | int i; | |
334 | u8 *p1, *p2; | |
335 | if (!ht_capa_mask) { | |
336 | memset(ht_capa, 0, sizeof(*ht_capa)); | |
337 | return; | |
338 | } | |
339 | ||
340 | p1 = (u8*)(ht_capa); | |
341 | p2 = (u8*)(ht_capa_mask); | |
342 | for (i = 0; i<sizeof(*ht_capa); i++) | |
343 | p1[i] &= p2[i]; | |
344 | } | |
345 | ||
667503dd JB |
346 | int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
347 | struct net_device *dev, | |
348 | struct ieee80211_channel *chan, | |
349 | const u8 *bssid, const u8 *prev_bssid, | |
350 | const u8 *ssid, int ssid_len, | |
351 | const u8 *ie, int ie_len, bool use_mfp, | |
7e7c8926 BG |
352 | struct cfg80211_crypto_settings *crypt, |
353 | u32 assoc_flags, struct ieee80211_ht_cap *ht_capa, | |
354 | struct ieee80211_ht_cap *ht_capa_mask) | |
19957bb3 JB |
355 | { |
356 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
357 | struct cfg80211_assoc_request req; | |
95de817b | 358 | int err; |
24b6b15f | 359 | bool was_connected = false; |
19957bb3 | 360 | |
667503dd JB |
361 | ASSERT_WDEV_LOCK(wdev); |
362 | ||
19957bb3 JB |
363 | memset(&req, 0, sizeof(req)); |
364 | ||
24b6b15f | 365 | if (wdev->current_bss && prev_bssid && |
c6fb08aa | 366 | compare_ether_addr(wdev->current_bss->pub.bssid, prev_bssid) == 0) { |
24b6b15f JM |
367 | /* |
368 | * Trying to reassociate: Allow this to proceed and let the old | |
369 | * association to be dropped when the new one is completed. | |
370 | */ | |
371 | if (wdev->sme_state == CFG80211_SME_CONNECTED) { | |
372 | was_connected = true; | |
373 | wdev->sme_state = CFG80211_SME_CONNECTING; | |
374 | } | |
375 | } else if (wdev->current_bss) | |
19957bb3 JB |
376 | return -EALREADY; |
377 | ||
378 | req.ie = ie; | |
379 | req.ie_len = ie_len; | |
380 | memcpy(&req.crypto, crypt, sizeof(req.crypto)); | |
381 | req.use_mfp = use_mfp; | |
3e5d7649 | 382 | req.prev_bssid = prev_bssid; |
7e7c8926 BG |
383 | req.flags = assoc_flags; |
384 | if (ht_capa) | |
385 | memcpy(&req.ht_capa, ht_capa, sizeof(req.ht_capa)); | |
386 | if (ht_capa_mask) | |
387 | memcpy(&req.ht_capa_mask, ht_capa_mask, | |
388 | sizeof(req.ht_capa_mask)); | |
389 | cfg80211_oper_and_ht_capa(&req.ht_capa_mask, | |
390 | rdev->wiphy.ht_capa_mod_mask); | |
391 | ||
19957bb3 JB |
392 | req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len, |
393 | WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); | |
24b6b15f JM |
394 | if (!req.bss) { |
395 | if (was_connected) | |
396 | wdev->sme_state = CFG80211_SME_CONNECTED; | |
19957bb3 | 397 | return -ENOENT; |
24b6b15f | 398 | } |
19957bb3 | 399 | |
95de817b | 400 | err = rdev->ops->assoc(&rdev->wiphy, dev, &req); |
19957bb3 | 401 | |
95de817b JB |
402 | if (err) { |
403 | if (was_connected) | |
404 | wdev->sme_state = CFG80211_SME_CONNECTED; | |
405 | cfg80211_put_bss(req.bss); | |
19957bb3 JB |
406 | } |
407 | ||
19957bb3 JB |
408 | return err; |
409 | } | |
410 | ||
667503dd JB |
411 | int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
412 | struct net_device *dev, | |
413 | struct ieee80211_channel *chan, | |
414 | const u8 *bssid, const u8 *prev_bssid, | |
415 | const u8 *ssid, int ssid_len, | |
416 | const u8 *ie, int ie_len, bool use_mfp, | |
7e7c8926 BG |
417 | struct cfg80211_crypto_settings *crypt, |
418 | u32 assoc_flags, struct ieee80211_ht_cap *ht_capa, | |
419 | struct ieee80211_ht_cap *ht_capa_mask) | |
667503dd JB |
420 | { |
421 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
422 | int err; | |
423 | ||
424 | wdev_lock(wdev); | |
425 | err = __cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid, | |
7e7c8926 BG |
426 | ssid, ssid_len, ie, ie_len, use_mfp, crypt, |
427 | assoc_flags, ht_capa, ht_capa_mask); | |
667503dd JB |
428 | wdev_unlock(wdev); |
429 | ||
430 | return err; | |
431 | } | |
432 | ||
433 | int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, | |
434 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
435 | const u8 *ie, int ie_len, u16 reason, |
436 | bool local_state_change) | |
19957bb3 JB |
437 | { |
438 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
95de817b JB |
439 | struct cfg80211_deauth_request req = { |
440 | .bssid = bssid, | |
441 | .reason_code = reason, | |
442 | .ie = ie, | |
443 | .ie_len = ie_len, | |
444 | }; | |
19957bb3 | 445 | |
667503dd JB |
446 | ASSERT_WDEV_LOCK(wdev); |
447 | ||
95de817b JB |
448 | if (local_state_change) { |
449 | if (wdev->current_bss && | |
c6fb08aa FF |
450 | compare_ether_addr(wdev->current_bss->pub.bssid, bssid) |
451 | == 0) { | |
95de817b JB |
452 | cfg80211_unhold_bss(wdev->current_bss); |
453 | cfg80211_put_bss(&wdev->current_bss->pub); | |
454 | wdev->current_bss = NULL; | |
19957bb3 | 455 | } |
19957bb3 | 456 | |
95de817b JB |
457 | return 0; |
458 | } | |
19957bb3 | 459 | |
63c9c5e7 | 460 | return rdev->ops->deauth(&rdev->wiphy, dev, &req); |
19957bb3 JB |
461 | } |
462 | ||
667503dd JB |
463 | int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, |
464 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
465 | const u8 *ie, int ie_len, u16 reason, |
466 | bool local_state_change) | |
667503dd JB |
467 | { |
468 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
469 | int err; | |
470 | ||
471 | wdev_lock(wdev); | |
d5cdfacb JM |
472 | err = __cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason, |
473 | local_state_change); | |
667503dd JB |
474 | wdev_unlock(wdev); |
475 | ||
476 | return err; | |
477 | } | |
478 | ||
479 | static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, | |
480 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
481 | const u8 *ie, int ie_len, u16 reason, |
482 | bool local_state_change) | |
19957bb3 JB |
483 | { |
484 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
485 | struct cfg80211_disassoc_request req; | |
486 | ||
667503dd JB |
487 | ASSERT_WDEV_LOCK(wdev); |
488 | ||
f9d6b402 JB |
489 | if (wdev->sme_state != CFG80211_SME_CONNECTED) |
490 | return -ENOTCONN; | |
491 | ||
492 | if (WARN_ON(!wdev->current_bss)) | |
493 | return -ENOTCONN; | |
494 | ||
19957bb3 JB |
495 | memset(&req, 0, sizeof(req)); |
496 | req.reason_code = reason; | |
d5cdfacb | 497 | req.local_state_change = local_state_change; |
19957bb3 JB |
498 | req.ie = ie; |
499 | req.ie_len = ie_len; | |
c6fb08aa | 500 | if (compare_ether_addr(wdev->current_bss->pub.bssid, bssid) == 0) |
19957bb3 JB |
501 | req.bss = &wdev->current_bss->pub; |
502 | else | |
503 | return -ENOTCONN; | |
504 | ||
63c9c5e7 | 505 | return rdev->ops->disassoc(&rdev->wiphy, dev, &req); |
667503dd JB |
506 | } |
507 | ||
508 | int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, | |
509 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
510 | const u8 *ie, int ie_len, u16 reason, |
511 | bool local_state_change) | |
667503dd JB |
512 | { |
513 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
514 | int err; | |
515 | ||
516 | wdev_lock(wdev); | |
d5cdfacb JM |
517 | err = __cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason, |
518 | local_state_change); | |
667503dd JB |
519 | wdev_unlock(wdev); |
520 | ||
521 | return err; | |
19957bb3 JB |
522 | } |
523 | ||
524 | void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, | |
525 | struct net_device *dev) | |
526 | { | |
527 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
528 | struct cfg80211_deauth_request req; | |
95de817b | 529 | u8 bssid[ETH_ALEN]; |
19957bb3 | 530 | |
667503dd JB |
531 | ASSERT_WDEV_LOCK(wdev); |
532 | ||
19957bb3 JB |
533 | if (!rdev->ops->deauth) |
534 | return; | |
535 | ||
536 | memset(&req, 0, sizeof(req)); | |
537 | req.reason_code = WLAN_REASON_DEAUTH_LEAVING; | |
538 | req.ie = NULL; | |
539 | req.ie_len = 0; | |
540 | ||
95de817b JB |
541 | if (!wdev->current_bss) |
542 | return; | |
19957bb3 | 543 | |
95de817b JB |
544 | memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN); |
545 | req.bssid = bssid; | |
63c9c5e7 | 546 | rdev->ops->deauth(&rdev->wiphy, dev, &req); |
95de817b JB |
547 | |
548 | if (wdev->current_bss) { | |
549 | cfg80211_unhold_bss(wdev->current_bss); | |
550 | cfg80211_put_bss(&wdev->current_bss->pub); | |
551 | wdev->current_bss = NULL; | |
19957bb3 JB |
552 | } |
553 | } | |
9588bbd5 JM |
554 | |
555 | void cfg80211_ready_on_channel(struct net_device *dev, u64 cookie, | |
556 | struct ieee80211_channel *chan, | |
557 | enum nl80211_channel_type channel_type, | |
558 | unsigned int duration, gfp_t gfp) | |
559 | { | |
560 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; | |
561 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
562 | ||
563 | nl80211_send_remain_on_channel(rdev, dev, cookie, chan, channel_type, | |
564 | duration, gfp); | |
565 | } | |
566 | EXPORT_SYMBOL(cfg80211_ready_on_channel); | |
567 | ||
568 | void cfg80211_remain_on_channel_expired(struct net_device *dev, | |
569 | u64 cookie, | |
570 | struct ieee80211_channel *chan, | |
571 | enum nl80211_channel_type channel_type, | |
572 | gfp_t gfp) | |
573 | { | |
574 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; | |
575 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
576 | ||
577 | nl80211_send_remain_on_channel_cancel(rdev, dev, cookie, chan, | |
578 | channel_type, gfp); | |
579 | } | |
580 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); | |
98b62183 JB |
581 | |
582 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, | |
583 | struct station_info *sinfo, gfp_t gfp) | |
584 | { | |
585 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; | |
586 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
587 | ||
588 | nl80211_send_sta_event(rdev, dev, mac_addr, sinfo, gfp); | |
589 | } | |
590 | EXPORT_SYMBOL(cfg80211_new_sta); | |
026331c4 | 591 | |
ec15e68b JM |
592 | void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) |
593 | { | |
594 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; | |
595 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
596 | ||
597 | nl80211_send_sta_del_event(rdev, dev, mac_addr, gfp); | |
598 | } | |
599 | EXPORT_SYMBOL(cfg80211_del_sta); | |
600 | ||
2e161f78 | 601 | struct cfg80211_mgmt_registration { |
026331c4 JM |
602 | struct list_head list; |
603 | ||
604 | u32 nlpid; | |
605 | ||
606 | int match_len; | |
607 | ||
2e161f78 JB |
608 | __le16 frame_type; |
609 | ||
026331c4 JM |
610 | u8 match[]; |
611 | }; | |
612 | ||
2e161f78 JB |
613 | int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, |
614 | u16 frame_type, const u8 *match_data, | |
615 | int match_len) | |
026331c4 | 616 | { |
271733cf JB |
617 | struct wiphy *wiphy = wdev->wiphy; |
618 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
2e161f78 | 619 | struct cfg80211_mgmt_registration *reg, *nreg; |
026331c4 | 620 | int err = 0; |
2e161f78 JB |
621 | u16 mgmt_type; |
622 | ||
623 | if (!wdev->wiphy->mgmt_stypes) | |
624 | return -EOPNOTSUPP; | |
625 | ||
626 | if ((frame_type & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT) | |
627 | return -EINVAL; | |
628 | ||
629 | if (frame_type & ~(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) | |
630 | return -EINVAL; | |
631 | ||
632 | mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4; | |
633 | if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].rx & BIT(mgmt_type))) | |
634 | return -EINVAL; | |
026331c4 JM |
635 | |
636 | nreg = kzalloc(sizeof(*reg) + match_len, GFP_KERNEL); | |
637 | if (!nreg) | |
638 | return -ENOMEM; | |
639 | ||
2e161f78 | 640 | spin_lock_bh(&wdev->mgmt_registrations_lock); |
026331c4 | 641 | |
2e161f78 | 642 | list_for_each_entry(reg, &wdev->mgmt_registrations, list) { |
026331c4 JM |
643 | int mlen = min(match_len, reg->match_len); |
644 | ||
2e161f78 JB |
645 | if (frame_type != le16_to_cpu(reg->frame_type)) |
646 | continue; | |
647 | ||
026331c4 JM |
648 | if (memcmp(reg->match, match_data, mlen) == 0) { |
649 | err = -EALREADY; | |
650 | break; | |
651 | } | |
652 | } | |
653 | ||
654 | if (err) { | |
655 | kfree(nreg); | |
656 | goto out; | |
657 | } | |
658 | ||
659 | memcpy(nreg->match, match_data, match_len); | |
660 | nreg->match_len = match_len; | |
661 | nreg->nlpid = snd_pid; | |
2e161f78 JB |
662 | nreg->frame_type = cpu_to_le16(frame_type); |
663 | list_add(&nreg->list, &wdev->mgmt_registrations); | |
026331c4 | 664 | |
271733cf JB |
665 | if (rdev->ops->mgmt_frame_register) |
666 | rdev->ops->mgmt_frame_register(wiphy, wdev->netdev, | |
667 | frame_type, true); | |
668 | ||
026331c4 | 669 | out: |
2e161f78 | 670 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
271733cf | 671 | |
026331c4 JM |
672 | return err; |
673 | } | |
674 | ||
2e161f78 | 675 | void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid) |
026331c4 | 676 | { |
271733cf JB |
677 | struct wiphy *wiphy = wdev->wiphy; |
678 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
2e161f78 | 679 | struct cfg80211_mgmt_registration *reg, *tmp; |
026331c4 | 680 | |
2e161f78 | 681 | spin_lock_bh(&wdev->mgmt_registrations_lock); |
026331c4 | 682 | |
2e161f78 | 683 | list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) { |
271733cf JB |
684 | if (reg->nlpid != nlpid) |
685 | continue; | |
686 | ||
687 | if (rdev->ops->mgmt_frame_register) { | |
688 | u16 frame_type = le16_to_cpu(reg->frame_type); | |
689 | ||
690 | rdev->ops->mgmt_frame_register(wiphy, wdev->netdev, | |
691 | frame_type, false); | |
026331c4 | 692 | } |
271733cf JB |
693 | |
694 | list_del(®->list); | |
695 | kfree(reg); | |
026331c4 JM |
696 | } |
697 | ||
2e161f78 | 698 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
28946da7 JB |
699 | |
700 | if (nlpid == wdev->ap_unexpected_nlpid) | |
701 | wdev->ap_unexpected_nlpid = 0; | |
026331c4 JM |
702 | } |
703 | ||
2e161f78 | 704 | void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev) |
026331c4 | 705 | { |
2e161f78 | 706 | struct cfg80211_mgmt_registration *reg, *tmp; |
026331c4 | 707 | |
2e161f78 | 708 | spin_lock_bh(&wdev->mgmt_registrations_lock); |
026331c4 | 709 | |
2e161f78 | 710 | list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) { |
026331c4 JM |
711 | list_del(®->list); |
712 | kfree(reg); | |
713 | } | |
714 | ||
2e161f78 | 715 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
026331c4 JM |
716 | } |
717 | ||
2e161f78 JB |
718 | int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, |
719 | struct net_device *dev, | |
f7ca38df | 720 | struct ieee80211_channel *chan, bool offchan, |
2e161f78 | 721 | enum nl80211_channel_type channel_type, |
f7ca38df | 722 | bool channel_type_valid, unsigned int wait, |
e9f935e3 | 723 | const u8 *buf, size_t len, bool no_cck, |
e247bd90 | 724 | bool dont_wait_for_ack, u64 *cookie) |
026331c4 JM |
725 | { |
726 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
727 | const struct ieee80211_mgmt *mgmt; | |
2e161f78 JB |
728 | u16 stype; |
729 | ||
730 | if (!wdev->wiphy->mgmt_stypes) | |
731 | return -EOPNOTSUPP; | |
026331c4 | 732 | |
2e161f78 | 733 | if (!rdev->ops->mgmt_tx) |
026331c4 | 734 | return -EOPNOTSUPP; |
2e161f78 | 735 | |
026331c4 JM |
736 | if (len < 24 + 1) |
737 | return -EINVAL; | |
738 | ||
739 | mgmt = (const struct ieee80211_mgmt *) buf; | |
2e161f78 JB |
740 | |
741 | if (!ieee80211_is_mgmt(mgmt->frame_control)) | |
026331c4 | 742 | return -EINVAL; |
2e161f78 JB |
743 | |
744 | stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE; | |
745 | if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].tx & BIT(stype >> 4))) | |
746 | return -EINVAL; | |
747 | ||
748 | if (ieee80211_is_action(mgmt->frame_control) && | |
749 | mgmt->u.action.category != WLAN_CATEGORY_PUBLIC) { | |
663fcafd JB |
750 | int err = 0; |
751 | ||
fe100acd JB |
752 | wdev_lock(wdev); |
753 | ||
663fcafd JB |
754 | switch (wdev->iftype) { |
755 | case NL80211_IFTYPE_ADHOC: | |
756 | case NL80211_IFTYPE_STATION: | |
757 | case NL80211_IFTYPE_P2P_CLIENT: | |
758 | if (!wdev->current_bss) { | |
759 | err = -ENOTCONN; | |
760 | break; | |
761 | } | |
762 | ||
c6fb08aa FF |
763 | if (compare_ether_addr(wdev->current_bss->pub.bssid, |
764 | mgmt->bssid)) { | |
663fcafd JB |
765 | err = -ENOTCONN; |
766 | break; | |
767 | } | |
768 | ||
769 | /* | |
770 | * check for IBSS DA must be done by driver as | |
771 | * cfg80211 doesn't track the stations | |
772 | */ | |
773 | if (wdev->iftype == NL80211_IFTYPE_ADHOC) | |
774 | break; | |
fe100acd | 775 | |
663fcafd | 776 | /* for station, check that DA is the AP */ |
c6fb08aa FF |
777 | if (compare_ether_addr(wdev->current_bss->pub.bssid, |
778 | mgmt->da)) { | |
663fcafd JB |
779 | err = -ENOTCONN; |
780 | break; | |
781 | } | |
782 | break; | |
783 | case NL80211_IFTYPE_AP: | |
784 | case NL80211_IFTYPE_P2P_GO: | |
785 | case NL80211_IFTYPE_AP_VLAN: | |
c6fb08aa | 786 | if (compare_ether_addr(mgmt->bssid, dev->dev_addr)) |
663fcafd JB |
787 | err = -EINVAL; |
788 | break; | |
0778a6a3 | 789 | case NL80211_IFTYPE_MESH_POINT: |
c6fb08aa | 790 | if (compare_ether_addr(mgmt->sa, mgmt->bssid)) { |
0778a6a3 JC |
791 | err = -EINVAL; |
792 | break; | |
793 | } | |
794 | /* | |
795 | * check for mesh DA must be done by driver as | |
796 | * cfg80211 doesn't track the stations | |
797 | */ | |
798 | break; | |
663fcafd JB |
799 | default: |
800 | err = -EOPNOTSUPP; | |
801 | break; | |
802 | } | |
fe100acd | 803 | wdev_unlock(wdev); |
663fcafd JB |
804 | |
805 | if (err) | |
806 | return err; | |
026331c4 JM |
807 | } |
808 | ||
c6fb08aa | 809 | if (compare_ether_addr(mgmt->sa, dev->dev_addr) != 0) |
026331c4 JM |
810 | return -EINVAL; |
811 | ||
812 | /* Transmit the Action frame as requested by user space */ | |
f7ca38df JB |
813 | return rdev->ops->mgmt_tx(&rdev->wiphy, dev, chan, offchan, |
814 | channel_type, channel_type_valid, | |
e247bd90 JB |
815 | wait, buf, len, no_cck, dont_wait_for_ack, |
816 | cookie); | |
026331c4 JM |
817 | } |
818 | ||
804483e9 JB |
819 | bool cfg80211_rx_mgmt(struct net_device *dev, int freq, int sig_mbm, |
820 | const u8 *buf, size_t len, gfp_t gfp) | |
026331c4 JM |
821 | { |
822 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
823 | struct wiphy *wiphy = wdev->wiphy; | |
824 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
2e161f78 JB |
825 | struct cfg80211_mgmt_registration *reg; |
826 | const struct ieee80211_txrx_stypes *stypes = | |
827 | &wiphy->mgmt_stypes[wdev->iftype]; | |
828 | struct ieee80211_mgmt *mgmt = (void *)buf; | |
829 | const u8 *data; | |
830 | int data_len; | |
026331c4 | 831 | bool result = false; |
2e161f78 JB |
832 | __le16 ftype = mgmt->frame_control & |
833 | cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE); | |
834 | u16 stype; | |
026331c4 | 835 | |
2e161f78 | 836 | stype = (le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE) >> 4; |
026331c4 | 837 | |
2e161f78 JB |
838 | if (!(stypes->rx & BIT(stype))) |
839 | return false; | |
026331c4 | 840 | |
2e161f78 JB |
841 | data = buf + ieee80211_hdrlen(mgmt->frame_control); |
842 | data_len = len - ieee80211_hdrlen(mgmt->frame_control); | |
843 | ||
844 | spin_lock_bh(&wdev->mgmt_registrations_lock); | |
845 | ||
846 | list_for_each_entry(reg, &wdev->mgmt_registrations, list) { | |
847 | if (reg->frame_type != ftype) | |
848 | continue; | |
026331c4 | 849 | |
2e161f78 | 850 | if (reg->match_len > data_len) |
026331c4 JM |
851 | continue; |
852 | ||
2e161f78 | 853 | if (memcmp(reg->match, data, reg->match_len)) |
026331c4 JM |
854 | continue; |
855 | ||
856 | /* found match! */ | |
857 | ||
858 | /* Indicate the received Action frame to user space */ | |
804483e9 JB |
859 | if (nl80211_send_mgmt(rdev, dev, reg->nlpid, |
860 | freq, sig_mbm, | |
2e161f78 | 861 | buf, len, gfp)) |
026331c4 JM |
862 | continue; |
863 | ||
864 | result = true; | |
865 | break; | |
866 | } | |
867 | ||
2e161f78 | 868 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
026331c4 JM |
869 | |
870 | return result; | |
871 | } | |
2e161f78 | 872 | EXPORT_SYMBOL(cfg80211_rx_mgmt); |
026331c4 | 873 | |
2e161f78 JB |
874 | void cfg80211_mgmt_tx_status(struct net_device *dev, u64 cookie, |
875 | const u8 *buf, size_t len, bool ack, gfp_t gfp) | |
026331c4 JM |
876 | { |
877 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
878 | struct wiphy *wiphy = wdev->wiphy; | |
879 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
880 | ||
881 | /* Indicate TX status of the Action frame to user space */ | |
2e161f78 | 882 | nl80211_send_mgmt_tx_status(rdev, dev, cookie, buf, len, ack, gfp); |
026331c4 | 883 | } |
2e161f78 | 884 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
d6dc1a38 JO |
885 | |
886 | void cfg80211_cqm_rssi_notify(struct net_device *dev, | |
887 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
888 | gfp_t gfp) | |
889 | { | |
890 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
891 | struct wiphy *wiphy = wdev->wiphy; | |
892 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
893 | ||
894 | /* Indicate roaming trigger event to user space */ | |
895 | nl80211_send_cqm_rssi_notify(rdev, dev, rssi_event, gfp); | |
896 | } | |
897 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); | |
c063dbf5 JB |
898 | |
899 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, | |
900 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
901 | { | |
902 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
903 | struct wiphy *wiphy = wdev->wiphy; | |
904 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
905 | ||
906 | /* Indicate roaming trigger event to user space */ | |
907 | nl80211_send_cqm_pktloss_notify(rdev, dev, peer, num_packets, gfp); | |
908 | } | |
909 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); | |
e5497d76 JB |
910 | |
911 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, | |
912 | const u8 *replay_ctr, gfp_t gfp) | |
913 | { | |
914 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
915 | struct wiphy *wiphy = wdev->wiphy; | |
916 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
917 | ||
918 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
919 | } | |
920 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
c9df56b4 JM |
921 | |
922 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, | |
923 | const u8 *bssid, bool preauth, gfp_t gfp) | |
924 | { | |
925 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
926 | struct wiphy *wiphy = wdev->wiphy; | |
927 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
928 | ||
929 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
930 | } | |
931 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
28946da7 | 932 | |
5314526b TP |
933 | void cfg80211_ch_switch_notify(struct net_device *dev, int freq, |
934 | enum nl80211_channel_type type) | |
935 | { | |
936 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
937 | struct wiphy *wiphy = wdev->wiphy; | |
938 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
939 | struct ieee80211_channel *chan; | |
940 | ||
941 | wdev_lock(wdev); | |
942 | ||
943 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
944 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) | |
945 | goto out; | |
946 | ||
947 | chan = rdev_freq_to_chan(rdev, freq, type); | |
948 | if (WARN_ON(!chan)) | |
949 | goto out; | |
950 | ||
951 | wdev->channel = chan; | |
952 | ||
953 | nl80211_ch_switch_notify(rdev, dev, freq, type, GFP_KERNEL); | |
954 | out: | |
955 | wdev_unlock(wdev); | |
956 | return; | |
957 | } | |
958 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
959 | ||
28946da7 JB |
960 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
961 | const u8 *addr, gfp_t gfp) | |
962 | { | |
963 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
964 | ||
965 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
966 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) | |
967 | return false; | |
968 | ||
969 | return nl80211_unexpected_frame(dev, addr, gfp); | |
970 | } | |
971 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); | |
b92ab5d8 JB |
972 | |
973 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, | |
974 | const u8 *addr, gfp_t gfp) | |
975 | { | |
976 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
977 | ||
978 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
979 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
980 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) | |
981 | return false; | |
982 | ||
983 | return nl80211_unexpected_4addr_frame(dev, addr, gfp); | |
984 | } | |
985 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |