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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 && |
ac422d3c | 104 | ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) { |
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 | ||
ac422d3c | 119 | from_ap = !ether_addr_equal(mgmt->sa, dev->dev_addr); |
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 && |
ac422d3c | 158 | ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) { |
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 | ||
ac422d3c | 169 | from_ap = !ether_addr_equal(mgmt->sa, dev->dev_addr); |
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 && |
ac422d3c | 289 | ether_addr_equal(bssid, wdev->current_bss->pub.bssid)) |
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 | ||
e4e32459 MK |
305 | err = cfg80211_can_use_chan(rdev, wdev, req.bss->channel, |
306 | CHAN_MODE_SHARED); | |
307 | if (err) | |
308 | goto out; | |
309 | ||
19957bb3 | 310 | err = rdev->ops->auth(&rdev->wiphy, dev, &req); |
19957bb3 | 311 | |
e4e32459 | 312 | out: |
95de817b | 313 | cfg80211_put_bss(req.bss); |
19957bb3 JB |
314 | return err; |
315 | } | |
316 | ||
667503dd JB |
317 | int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, |
318 | struct net_device *dev, struct ieee80211_channel *chan, | |
319 | enum nl80211_auth_type auth_type, const u8 *bssid, | |
320 | const u8 *ssid, int ssid_len, | |
fffd0934 | 321 | const u8 *ie, int ie_len, |
95de817b | 322 | const u8 *key, int key_len, int key_idx) |
667503dd JB |
323 | { |
324 | int err; | |
325 | ||
e4e32459 | 326 | mutex_lock(&rdev->devlist_mtx); |
667503dd JB |
327 | wdev_lock(dev->ieee80211_ptr); |
328 | err = __cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
fffd0934 | 329 | ssid, ssid_len, ie, ie_len, |
95de817b | 330 | key, key_len, key_idx); |
667503dd | 331 | wdev_unlock(dev->ieee80211_ptr); |
e4e32459 | 332 | mutex_unlock(&rdev->devlist_mtx); |
667503dd JB |
333 | |
334 | return err; | |
335 | } | |
336 | ||
7e7c8926 BG |
337 | /* Do a logical ht_capa &= ht_capa_mask. */ |
338 | void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa, | |
339 | const struct ieee80211_ht_cap *ht_capa_mask) | |
340 | { | |
341 | int i; | |
342 | u8 *p1, *p2; | |
343 | if (!ht_capa_mask) { | |
344 | memset(ht_capa, 0, sizeof(*ht_capa)); | |
345 | return; | |
346 | } | |
347 | ||
348 | p1 = (u8*)(ht_capa); | |
349 | p2 = (u8*)(ht_capa_mask); | |
350 | for (i = 0; i<sizeof(*ht_capa); i++) | |
351 | p1[i] &= p2[i]; | |
352 | } | |
353 | ||
667503dd JB |
354 | int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
355 | struct net_device *dev, | |
356 | struct ieee80211_channel *chan, | |
357 | const u8 *bssid, const u8 *prev_bssid, | |
358 | const u8 *ssid, int ssid_len, | |
359 | const u8 *ie, int ie_len, bool use_mfp, | |
7e7c8926 BG |
360 | struct cfg80211_crypto_settings *crypt, |
361 | u32 assoc_flags, struct ieee80211_ht_cap *ht_capa, | |
362 | struct ieee80211_ht_cap *ht_capa_mask) | |
19957bb3 JB |
363 | { |
364 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
365 | struct cfg80211_assoc_request req; | |
95de817b | 366 | int err; |
24b6b15f | 367 | bool was_connected = false; |
19957bb3 | 368 | |
667503dd JB |
369 | ASSERT_WDEV_LOCK(wdev); |
370 | ||
19957bb3 JB |
371 | memset(&req, 0, sizeof(req)); |
372 | ||
24b6b15f | 373 | if (wdev->current_bss && prev_bssid && |
ac422d3c | 374 | ether_addr_equal(wdev->current_bss->pub.bssid, prev_bssid)) { |
24b6b15f JM |
375 | /* |
376 | * Trying to reassociate: Allow this to proceed and let the old | |
377 | * association to be dropped when the new one is completed. | |
378 | */ | |
379 | if (wdev->sme_state == CFG80211_SME_CONNECTED) { | |
380 | was_connected = true; | |
381 | wdev->sme_state = CFG80211_SME_CONNECTING; | |
382 | } | |
383 | } else if (wdev->current_bss) | |
19957bb3 JB |
384 | return -EALREADY; |
385 | ||
386 | req.ie = ie; | |
387 | req.ie_len = ie_len; | |
388 | memcpy(&req.crypto, crypt, sizeof(req.crypto)); | |
389 | req.use_mfp = use_mfp; | |
3e5d7649 | 390 | req.prev_bssid = prev_bssid; |
7e7c8926 BG |
391 | req.flags = assoc_flags; |
392 | if (ht_capa) | |
393 | memcpy(&req.ht_capa, ht_capa, sizeof(req.ht_capa)); | |
394 | if (ht_capa_mask) | |
395 | memcpy(&req.ht_capa_mask, ht_capa_mask, | |
396 | sizeof(req.ht_capa_mask)); | |
397 | cfg80211_oper_and_ht_capa(&req.ht_capa_mask, | |
398 | rdev->wiphy.ht_capa_mod_mask); | |
399 | ||
19957bb3 JB |
400 | req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len, |
401 | WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); | |
24b6b15f JM |
402 | if (!req.bss) { |
403 | if (was_connected) | |
404 | wdev->sme_state = CFG80211_SME_CONNECTED; | |
19957bb3 | 405 | return -ENOENT; |
24b6b15f | 406 | } |
19957bb3 | 407 | |
e4e32459 MK |
408 | err = cfg80211_can_use_chan(rdev, wdev, req.bss->channel, |
409 | CHAN_MODE_SHARED); | |
410 | if (err) | |
411 | goto out; | |
412 | ||
95de817b | 413 | err = rdev->ops->assoc(&rdev->wiphy, dev, &req); |
19957bb3 | 414 | |
e4e32459 | 415 | out: |
95de817b JB |
416 | if (err) { |
417 | if (was_connected) | |
418 | wdev->sme_state = CFG80211_SME_CONNECTED; | |
419 | cfg80211_put_bss(req.bss); | |
19957bb3 JB |
420 | } |
421 | ||
19957bb3 JB |
422 | return err; |
423 | } | |
424 | ||
667503dd JB |
425 | int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
426 | struct net_device *dev, | |
427 | struct ieee80211_channel *chan, | |
428 | const u8 *bssid, const u8 *prev_bssid, | |
429 | const u8 *ssid, int ssid_len, | |
430 | const u8 *ie, int ie_len, bool use_mfp, | |
7e7c8926 BG |
431 | struct cfg80211_crypto_settings *crypt, |
432 | u32 assoc_flags, struct ieee80211_ht_cap *ht_capa, | |
433 | struct ieee80211_ht_cap *ht_capa_mask) | |
667503dd JB |
434 | { |
435 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
436 | int err; | |
437 | ||
e4e32459 | 438 | mutex_lock(&rdev->devlist_mtx); |
667503dd JB |
439 | wdev_lock(wdev); |
440 | err = __cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid, | |
7e7c8926 BG |
441 | ssid, ssid_len, ie, ie_len, use_mfp, crypt, |
442 | assoc_flags, ht_capa, ht_capa_mask); | |
667503dd | 443 | wdev_unlock(wdev); |
e4e32459 | 444 | mutex_unlock(&rdev->devlist_mtx); |
667503dd JB |
445 | |
446 | return err; | |
447 | } | |
448 | ||
449 | int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, | |
450 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
451 | const u8 *ie, int ie_len, u16 reason, |
452 | bool local_state_change) | |
19957bb3 JB |
453 | { |
454 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
95de817b JB |
455 | struct cfg80211_deauth_request req = { |
456 | .bssid = bssid, | |
457 | .reason_code = reason, | |
458 | .ie = ie, | |
459 | .ie_len = ie_len, | |
460 | }; | |
19957bb3 | 461 | |
667503dd JB |
462 | ASSERT_WDEV_LOCK(wdev); |
463 | ||
95de817b JB |
464 | if (local_state_change) { |
465 | if (wdev->current_bss && | |
ac422d3c | 466 | ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) { |
95de817b JB |
467 | cfg80211_unhold_bss(wdev->current_bss); |
468 | cfg80211_put_bss(&wdev->current_bss->pub); | |
469 | wdev->current_bss = NULL; | |
19957bb3 | 470 | } |
19957bb3 | 471 | |
95de817b JB |
472 | return 0; |
473 | } | |
19957bb3 | 474 | |
63c9c5e7 | 475 | return rdev->ops->deauth(&rdev->wiphy, dev, &req); |
19957bb3 JB |
476 | } |
477 | ||
667503dd JB |
478 | int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, |
479 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
480 | const u8 *ie, int ie_len, u16 reason, |
481 | bool local_state_change) | |
667503dd JB |
482 | { |
483 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
484 | int err; | |
485 | ||
486 | wdev_lock(wdev); | |
d5cdfacb JM |
487 | err = __cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason, |
488 | local_state_change); | |
667503dd JB |
489 | wdev_unlock(wdev); |
490 | ||
491 | return err; | |
492 | } | |
493 | ||
494 | static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, | |
495 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
496 | const u8 *ie, int ie_len, u16 reason, |
497 | bool local_state_change) | |
19957bb3 JB |
498 | { |
499 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
500 | struct cfg80211_disassoc_request req; | |
501 | ||
667503dd JB |
502 | ASSERT_WDEV_LOCK(wdev); |
503 | ||
f9d6b402 JB |
504 | if (wdev->sme_state != CFG80211_SME_CONNECTED) |
505 | return -ENOTCONN; | |
506 | ||
507 | if (WARN_ON(!wdev->current_bss)) | |
508 | return -ENOTCONN; | |
509 | ||
19957bb3 JB |
510 | memset(&req, 0, sizeof(req)); |
511 | req.reason_code = reason; | |
d5cdfacb | 512 | req.local_state_change = local_state_change; |
19957bb3 JB |
513 | req.ie = ie; |
514 | req.ie_len = ie_len; | |
ac422d3c | 515 | if (ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) |
19957bb3 JB |
516 | req.bss = &wdev->current_bss->pub; |
517 | else | |
518 | return -ENOTCONN; | |
519 | ||
63c9c5e7 | 520 | return rdev->ops->disassoc(&rdev->wiphy, dev, &req); |
667503dd JB |
521 | } |
522 | ||
523 | int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, | |
524 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
525 | const u8 *ie, int ie_len, u16 reason, |
526 | bool local_state_change) | |
667503dd JB |
527 | { |
528 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
529 | int err; | |
530 | ||
531 | wdev_lock(wdev); | |
d5cdfacb JM |
532 | err = __cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason, |
533 | local_state_change); | |
667503dd JB |
534 | wdev_unlock(wdev); |
535 | ||
536 | return err; | |
19957bb3 JB |
537 | } |
538 | ||
539 | void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, | |
540 | struct net_device *dev) | |
541 | { | |
542 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
543 | struct cfg80211_deauth_request req; | |
95de817b | 544 | u8 bssid[ETH_ALEN]; |
19957bb3 | 545 | |
667503dd JB |
546 | ASSERT_WDEV_LOCK(wdev); |
547 | ||
19957bb3 JB |
548 | if (!rdev->ops->deauth) |
549 | return; | |
550 | ||
551 | memset(&req, 0, sizeof(req)); | |
552 | req.reason_code = WLAN_REASON_DEAUTH_LEAVING; | |
553 | req.ie = NULL; | |
554 | req.ie_len = 0; | |
555 | ||
95de817b JB |
556 | if (!wdev->current_bss) |
557 | return; | |
19957bb3 | 558 | |
95de817b JB |
559 | memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN); |
560 | req.bssid = bssid; | |
63c9c5e7 | 561 | rdev->ops->deauth(&rdev->wiphy, dev, &req); |
95de817b JB |
562 | |
563 | if (wdev->current_bss) { | |
564 | cfg80211_unhold_bss(wdev->current_bss); | |
565 | cfg80211_put_bss(&wdev->current_bss->pub); | |
566 | wdev->current_bss = NULL; | |
19957bb3 JB |
567 | } |
568 | } | |
9588bbd5 | 569 | |
71bbc994 | 570 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
9588bbd5 JM |
571 | struct ieee80211_channel *chan, |
572 | enum nl80211_channel_type channel_type, | |
573 | unsigned int duration, gfp_t gfp) | |
574 | { | |
71bbc994 | 575 | struct wiphy *wiphy = wdev->wiphy; |
9588bbd5 JM |
576 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
577 | ||
71bbc994 | 578 | nl80211_send_remain_on_channel(rdev, wdev, cookie, chan, channel_type, |
9588bbd5 JM |
579 | duration, gfp); |
580 | } | |
581 | EXPORT_SYMBOL(cfg80211_ready_on_channel); | |
582 | ||
71bbc994 | 583 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
9588bbd5 JM |
584 | struct ieee80211_channel *chan, |
585 | enum nl80211_channel_type channel_type, | |
586 | gfp_t gfp) | |
587 | { | |
71bbc994 | 588 | struct wiphy *wiphy = wdev->wiphy; |
9588bbd5 JM |
589 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
590 | ||
71bbc994 | 591 | nl80211_send_remain_on_channel_cancel(rdev, wdev, cookie, chan, |
9588bbd5 JM |
592 | channel_type, gfp); |
593 | } | |
594 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); | |
98b62183 JB |
595 | |
596 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, | |
597 | struct station_info *sinfo, gfp_t gfp) | |
598 | { | |
599 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; | |
600 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
601 | ||
602 | nl80211_send_sta_event(rdev, dev, mac_addr, sinfo, gfp); | |
603 | } | |
604 | EXPORT_SYMBOL(cfg80211_new_sta); | |
026331c4 | 605 | |
ec15e68b JM |
606 | void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) |
607 | { | |
608 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; | |
609 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
610 | ||
611 | nl80211_send_sta_del_event(rdev, dev, mac_addr, gfp); | |
612 | } | |
613 | EXPORT_SYMBOL(cfg80211_del_sta); | |
614 | ||
2e161f78 | 615 | struct cfg80211_mgmt_registration { |
026331c4 JM |
616 | struct list_head list; |
617 | ||
15e47304 | 618 | u32 nlportid; |
026331c4 JM |
619 | |
620 | int match_len; | |
621 | ||
2e161f78 JB |
622 | __le16 frame_type; |
623 | ||
026331c4 JM |
624 | u8 match[]; |
625 | }; | |
626 | ||
15e47304 | 627 | int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_portid, |
2e161f78 JB |
628 | u16 frame_type, const u8 *match_data, |
629 | int match_len) | |
026331c4 | 630 | { |
271733cf JB |
631 | struct wiphy *wiphy = wdev->wiphy; |
632 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
2e161f78 | 633 | struct cfg80211_mgmt_registration *reg, *nreg; |
026331c4 | 634 | int err = 0; |
2e161f78 JB |
635 | u16 mgmt_type; |
636 | ||
637 | if (!wdev->wiphy->mgmt_stypes) | |
638 | return -EOPNOTSUPP; | |
639 | ||
640 | if ((frame_type & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT) | |
641 | return -EINVAL; | |
642 | ||
643 | if (frame_type & ~(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) | |
644 | return -EINVAL; | |
645 | ||
646 | mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4; | |
647 | if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].rx & BIT(mgmt_type))) | |
648 | return -EINVAL; | |
026331c4 JM |
649 | |
650 | nreg = kzalloc(sizeof(*reg) + match_len, GFP_KERNEL); | |
651 | if (!nreg) | |
652 | return -ENOMEM; | |
653 | ||
2e161f78 | 654 | spin_lock_bh(&wdev->mgmt_registrations_lock); |
026331c4 | 655 | |
2e161f78 | 656 | list_for_each_entry(reg, &wdev->mgmt_registrations, list) { |
026331c4 JM |
657 | int mlen = min(match_len, reg->match_len); |
658 | ||
2e161f78 JB |
659 | if (frame_type != le16_to_cpu(reg->frame_type)) |
660 | continue; | |
661 | ||
026331c4 JM |
662 | if (memcmp(reg->match, match_data, mlen) == 0) { |
663 | err = -EALREADY; | |
664 | break; | |
665 | } | |
666 | } | |
667 | ||
668 | if (err) { | |
669 | kfree(nreg); | |
670 | goto out; | |
671 | } | |
672 | ||
673 | memcpy(nreg->match, match_data, match_len); | |
674 | nreg->match_len = match_len; | |
15e47304 | 675 | nreg->nlportid = snd_portid; |
2e161f78 JB |
676 | nreg->frame_type = cpu_to_le16(frame_type); |
677 | list_add(&nreg->list, &wdev->mgmt_registrations); | |
026331c4 | 678 | |
271733cf | 679 | if (rdev->ops->mgmt_frame_register) |
71bbc994 | 680 | rdev->ops->mgmt_frame_register(wiphy, wdev, frame_type, true); |
271733cf | 681 | |
026331c4 | 682 | out: |
2e161f78 | 683 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
271733cf | 684 | |
026331c4 JM |
685 | return err; |
686 | } | |
687 | ||
15e47304 | 688 | void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlportid) |
026331c4 | 689 | { |
271733cf JB |
690 | struct wiphy *wiphy = wdev->wiphy; |
691 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
2e161f78 | 692 | struct cfg80211_mgmt_registration *reg, *tmp; |
026331c4 | 693 | |
2e161f78 | 694 | spin_lock_bh(&wdev->mgmt_registrations_lock); |
026331c4 | 695 | |
2e161f78 | 696 | list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) { |
15e47304 | 697 | if (reg->nlportid != nlportid) |
271733cf JB |
698 | continue; |
699 | ||
700 | if (rdev->ops->mgmt_frame_register) { | |
701 | u16 frame_type = le16_to_cpu(reg->frame_type); | |
702 | ||
71bbc994 | 703 | rdev->ops->mgmt_frame_register(wiphy, wdev, |
271733cf | 704 | frame_type, false); |
026331c4 | 705 | } |
271733cf JB |
706 | |
707 | list_del(®->list); | |
708 | kfree(reg); | |
026331c4 JM |
709 | } |
710 | ||
2e161f78 | 711 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
28946da7 | 712 | |
15e47304 EB |
713 | if (nlportid == wdev->ap_unexpected_nlportid) |
714 | wdev->ap_unexpected_nlportid = 0; | |
026331c4 JM |
715 | } |
716 | ||
2e161f78 | 717 | void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev) |
026331c4 | 718 | { |
2e161f78 | 719 | struct cfg80211_mgmt_registration *reg, *tmp; |
026331c4 | 720 | |
2e161f78 | 721 | spin_lock_bh(&wdev->mgmt_registrations_lock); |
026331c4 | 722 | |
2e161f78 | 723 | list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) { |
026331c4 JM |
724 | list_del(®->list); |
725 | kfree(reg); | |
726 | } | |
727 | ||
2e161f78 | 728 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
026331c4 JM |
729 | } |
730 | ||
2e161f78 | 731 | int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, |
71bbc994 | 732 | struct wireless_dev *wdev, |
f7ca38df | 733 | struct ieee80211_channel *chan, bool offchan, |
2e161f78 | 734 | enum nl80211_channel_type channel_type, |
f7ca38df | 735 | bool channel_type_valid, unsigned int wait, |
e9f935e3 | 736 | const u8 *buf, size_t len, bool no_cck, |
e247bd90 | 737 | bool dont_wait_for_ack, u64 *cookie) |
026331c4 | 738 | { |
026331c4 | 739 | const struct ieee80211_mgmt *mgmt; |
2e161f78 JB |
740 | u16 stype; |
741 | ||
742 | if (!wdev->wiphy->mgmt_stypes) | |
743 | return -EOPNOTSUPP; | |
026331c4 | 744 | |
2e161f78 | 745 | if (!rdev->ops->mgmt_tx) |
026331c4 | 746 | return -EOPNOTSUPP; |
2e161f78 | 747 | |
026331c4 JM |
748 | if (len < 24 + 1) |
749 | return -EINVAL; | |
750 | ||
751 | mgmt = (const struct ieee80211_mgmt *) buf; | |
2e161f78 JB |
752 | |
753 | if (!ieee80211_is_mgmt(mgmt->frame_control)) | |
026331c4 | 754 | return -EINVAL; |
2e161f78 JB |
755 | |
756 | stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE; | |
757 | if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].tx & BIT(stype >> 4))) | |
758 | return -EINVAL; | |
759 | ||
760 | if (ieee80211_is_action(mgmt->frame_control) && | |
761 | mgmt->u.action.category != WLAN_CATEGORY_PUBLIC) { | |
663fcafd JB |
762 | int err = 0; |
763 | ||
fe100acd JB |
764 | wdev_lock(wdev); |
765 | ||
663fcafd JB |
766 | switch (wdev->iftype) { |
767 | case NL80211_IFTYPE_ADHOC: | |
768 | case NL80211_IFTYPE_STATION: | |
769 | case NL80211_IFTYPE_P2P_CLIENT: | |
770 | if (!wdev->current_bss) { | |
771 | err = -ENOTCONN; | |
772 | break; | |
773 | } | |
774 | ||
ac422d3c JP |
775 | if (!ether_addr_equal(wdev->current_bss->pub.bssid, |
776 | mgmt->bssid)) { | |
663fcafd JB |
777 | err = -ENOTCONN; |
778 | break; | |
779 | } | |
780 | ||
781 | /* | |
782 | * check for IBSS DA must be done by driver as | |
783 | * cfg80211 doesn't track the stations | |
784 | */ | |
785 | if (wdev->iftype == NL80211_IFTYPE_ADHOC) | |
786 | break; | |
fe100acd | 787 | |
663fcafd | 788 | /* for station, check that DA is the AP */ |
ac422d3c JP |
789 | if (!ether_addr_equal(wdev->current_bss->pub.bssid, |
790 | mgmt->da)) { | |
663fcafd JB |
791 | err = -ENOTCONN; |
792 | break; | |
793 | } | |
794 | break; | |
795 | case NL80211_IFTYPE_AP: | |
796 | case NL80211_IFTYPE_P2P_GO: | |
797 | case NL80211_IFTYPE_AP_VLAN: | |
98104fde | 798 | if (!ether_addr_equal(mgmt->bssid, wdev_address(wdev))) |
663fcafd JB |
799 | err = -EINVAL; |
800 | break; | |
0778a6a3 | 801 | case NL80211_IFTYPE_MESH_POINT: |
ac422d3c | 802 | if (!ether_addr_equal(mgmt->sa, mgmt->bssid)) { |
0778a6a3 JC |
803 | err = -EINVAL; |
804 | break; | |
805 | } | |
806 | /* | |
807 | * check for mesh DA must be done by driver as | |
808 | * cfg80211 doesn't track the stations | |
809 | */ | |
810 | break; | |
98104fde JB |
811 | case NL80211_IFTYPE_P2P_DEVICE: |
812 | /* | |
813 | * fall through, P2P device only supports | |
814 | * public action frames | |
815 | */ | |
663fcafd JB |
816 | default: |
817 | err = -EOPNOTSUPP; | |
818 | break; | |
819 | } | |
fe100acd | 820 | wdev_unlock(wdev); |
663fcafd JB |
821 | |
822 | if (err) | |
823 | return err; | |
026331c4 JM |
824 | } |
825 | ||
98104fde | 826 | if (!ether_addr_equal(mgmt->sa, wdev_address(wdev))) |
026331c4 JM |
827 | return -EINVAL; |
828 | ||
829 | /* Transmit the Action frame as requested by user space */ | |
71bbc994 | 830 | return rdev->ops->mgmt_tx(&rdev->wiphy, wdev, chan, offchan, |
f7ca38df | 831 | channel_type, channel_type_valid, |
e247bd90 JB |
832 | wait, buf, len, no_cck, dont_wait_for_ack, |
833 | cookie); | |
026331c4 JM |
834 | } |
835 | ||
71bbc994 | 836 | bool cfg80211_rx_mgmt(struct wireless_dev *wdev, int freq, int sig_mbm, |
804483e9 | 837 | const u8 *buf, size_t len, gfp_t gfp) |
026331c4 | 838 | { |
026331c4 JM |
839 | struct wiphy *wiphy = wdev->wiphy; |
840 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
2e161f78 JB |
841 | struct cfg80211_mgmt_registration *reg; |
842 | const struct ieee80211_txrx_stypes *stypes = | |
843 | &wiphy->mgmt_stypes[wdev->iftype]; | |
844 | struct ieee80211_mgmt *mgmt = (void *)buf; | |
845 | const u8 *data; | |
846 | int data_len; | |
026331c4 | 847 | bool result = false; |
2e161f78 JB |
848 | __le16 ftype = mgmt->frame_control & |
849 | cpu_to_le16(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE); | |
850 | u16 stype; | |
026331c4 | 851 | |
2e161f78 | 852 | stype = (le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE) >> 4; |
026331c4 | 853 | |
2e161f78 JB |
854 | if (!(stypes->rx & BIT(stype))) |
855 | return false; | |
026331c4 | 856 | |
2e161f78 JB |
857 | data = buf + ieee80211_hdrlen(mgmt->frame_control); |
858 | data_len = len - ieee80211_hdrlen(mgmt->frame_control); | |
859 | ||
860 | spin_lock_bh(&wdev->mgmt_registrations_lock); | |
861 | ||
862 | list_for_each_entry(reg, &wdev->mgmt_registrations, list) { | |
863 | if (reg->frame_type != ftype) | |
864 | continue; | |
026331c4 | 865 | |
2e161f78 | 866 | if (reg->match_len > data_len) |
026331c4 JM |
867 | continue; |
868 | ||
2e161f78 | 869 | if (memcmp(reg->match, data, reg->match_len)) |
026331c4 JM |
870 | continue; |
871 | ||
872 | /* found match! */ | |
873 | ||
874 | /* Indicate the received Action frame to user space */ | |
15e47304 | 875 | if (nl80211_send_mgmt(rdev, wdev, reg->nlportid, |
804483e9 | 876 | freq, sig_mbm, |
2e161f78 | 877 | buf, len, gfp)) |
026331c4 JM |
878 | continue; |
879 | ||
880 | result = true; | |
881 | break; | |
882 | } | |
883 | ||
2e161f78 | 884 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
026331c4 JM |
885 | |
886 | return result; | |
887 | } | |
2e161f78 | 888 | EXPORT_SYMBOL(cfg80211_rx_mgmt); |
026331c4 | 889 | |
71bbc994 | 890 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
2e161f78 | 891 | const u8 *buf, size_t len, bool ack, gfp_t gfp) |
026331c4 | 892 | { |
026331c4 JM |
893 | struct wiphy *wiphy = wdev->wiphy; |
894 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
895 | ||
896 | /* Indicate TX status of the Action frame to user space */ | |
71bbc994 | 897 | nl80211_send_mgmt_tx_status(rdev, wdev, cookie, buf, len, ack, gfp); |
026331c4 | 898 | } |
2e161f78 | 899 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
d6dc1a38 JO |
900 | |
901 | void cfg80211_cqm_rssi_notify(struct net_device *dev, | |
902 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
903 | gfp_t gfp) | |
904 | { | |
905 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
906 | struct wiphy *wiphy = wdev->wiphy; | |
907 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
908 | ||
909 | /* Indicate roaming trigger event to user space */ | |
910 | nl80211_send_cqm_rssi_notify(rdev, dev, rssi_event, gfp); | |
911 | } | |
912 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); | |
c063dbf5 JB |
913 | |
914 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, | |
915 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
916 | { | |
917 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
918 | struct wiphy *wiphy = wdev->wiphy; | |
919 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
920 | ||
921 | /* Indicate roaming trigger event to user space */ | |
922 | nl80211_send_cqm_pktloss_notify(rdev, dev, peer, num_packets, gfp); | |
923 | } | |
924 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); | |
e5497d76 | 925 | |
84f10708 TP |
926 | void cfg80211_cqm_txe_notify(struct net_device *dev, |
927 | const u8 *peer, u32 num_packets, | |
928 | u32 rate, u32 intvl, gfp_t gfp) | |
929 | { | |
930 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
931 | struct wiphy *wiphy = wdev->wiphy; | |
932 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
933 | ||
934 | nl80211_send_cqm_txe_notify(rdev, dev, peer, num_packets, | |
935 | rate, intvl, gfp); | |
936 | } | |
937 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); | |
938 | ||
e5497d76 JB |
939 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
940 | const u8 *replay_ctr, gfp_t gfp) | |
941 | { | |
942 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
943 | struct wiphy *wiphy = wdev->wiphy; | |
944 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
945 | ||
946 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
947 | } | |
948 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
c9df56b4 JM |
949 | |
950 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, | |
951 | const u8 *bssid, bool preauth, gfp_t gfp) | |
952 | { | |
953 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
954 | struct wiphy *wiphy = wdev->wiphy; | |
955 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
956 | ||
957 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
958 | } | |
959 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
28946da7 | 960 | |
5314526b TP |
961 | void cfg80211_ch_switch_notify(struct net_device *dev, int freq, |
962 | enum nl80211_channel_type type) | |
963 | { | |
964 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
965 | struct wiphy *wiphy = wdev->wiphy; | |
966 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
967 | struct ieee80211_channel *chan; | |
968 | ||
969 | wdev_lock(wdev); | |
970 | ||
971 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
972 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) | |
973 | goto out; | |
974 | ||
975 | chan = rdev_freq_to_chan(rdev, freq, type); | |
976 | if (WARN_ON(!chan)) | |
977 | goto out; | |
978 | ||
f4489ebe | 979 | wdev->channel = chan; |
5314526b TP |
980 | nl80211_ch_switch_notify(rdev, dev, freq, type, GFP_KERNEL); |
981 | out: | |
982 | wdev_unlock(wdev); | |
983 | return; | |
984 | } | |
985 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
986 | ||
28946da7 JB |
987 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
988 | const u8 *addr, gfp_t gfp) | |
989 | { | |
990 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
991 | ||
992 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
993 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) | |
994 | return false; | |
995 | ||
996 | return nl80211_unexpected_frame(dev, addr, gfp); | |
997 | } | |
998 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); | |
b92ab5d8 JB |
999 | |
1000 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, | |
1001 | const u8 *addr, gfp_t gfp) | |
1002 | { | |
1003 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
1004 | ||
1005 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
1006 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
1007 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) | |
1008 | return false; | |
1009 | ||
1010 | return nl80211_unexpected_4addr_frame(dev, addr, gfp); | |
1011 | } | |
1012 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |