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 | |
667503dd | 27 | wdev_lock(wdev); |
cb0b4beb | 28 | |
95de817b JB |
29 | nl80211_send_rx_auth(rdev, dev, buf, len, GFP_KERNEL); |
30 | cfg80211_sme_rx_auth(dev, buf, len); | |
667503dd JB |
31 | |
32 | wdev_unlock(wdev); | |
6039f6d2 JM |
33 | } |
34 | EXPORT_SYMBOL(cfg80211_send_rx_auth); | |
35 | ||
95de817b JB |
36 | void cfg80211_send_rx_assoc(struct net_device *dev, struct cfg80211_bss *bss, |
37 | const u8 *buf, size_t len) | |
6039f6d2 | 38 | { |
6829c878 JB |
39 | u16 status_code; |
40 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
41 | struct wiphy *wiphy = wdev->wiphy; | |
6039f6d2 | 42 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
6829c878 JB |
43 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; |
44 | u8 *ie = mgmt->u.assoc_resp.variable; | |
95de817b | 45 | int ieoffs = offsetof(struct ieee80211_mgmt, u.assoc_resp.variable); |
6829c878 | 46 | |
667503dd | 47 | wdev_lock(wdev); |
cb0b4beb | 48 | |
6829c878 JB |
49 | status_code = le16_to_cpu(mgmt->u.assoc_resp.status_code); |
50 | ||
f401a6f7 JB |
51 | /* |
52 | * This is a bit of a hack, we don't notify userspace of | |
53 | * a (re-)association reply if we tried to send a reassoc | |
54 | * and got a reject -- we only try again with an assoc | |
55 | * frame instead of reassoc. | |
56 | */ | |
57 | if (status_code != WLAN_STATUS_SUCCESS && wdev->conn && | |
95de817b JB |
58 | cfg80211_sme_failed_reassoc(wdev)) { |
59 | cfg80211_put_bss(bss); | |
f401a6f7 | 60 | goto out; |
95de817b | 61 | } |
f401a6f7 | 62 | |
cb0b4beb | 63 | nl80211_send_rx_assoc(rdev, dev, buf, len, GFP_KERNEL); |
6829c878 | 64 | |
95de817b | 65 | if (status_code != WLAN_STATUS_SUCCESS && wdev->conn) { |
7d930bc3 | 66 | cfg80211_sme_failed_assoc(wdev); |
7d930bc3 JB |
67 | /* |
68 | * do not call connect_result() now because the | |
69 | * sme will schedule work that does it later. | |
70 | */ | |
95de817b | 71 | cfg80211_put_bss(bss); |
7d930bc3 | 72 | goto out; |
df7fc0f9 JB |
73 | } |
74 | ||
ea416a79 JB |
75 | if (!wdev->conn && wdev->sme_state == CFG80211_SME_IDLE) { |
76 | /* | |
77 | * This is for the userspace SME, the CONNECTING | |
78 | * state will be changed to CONNECTED by | |
79 | * __cfg80211_connect_result() below. | |
80 | */ | |
81 | wdev->sme_state = CFG80211_SME_CONNECTING; | |
82 | } | |
83 | ||
95de817b | 84 | /* this consumes the bss reference */ |
df7fc0f9 JB |
85 | __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, ie, len - ieoffs, |
86 | status_code, | |
95de817b | 87 | status_code == WLAN_STATUS_SUCCESS, bss); |
f401a6f7 | 88 | out: |
667503dd | 89 | wdev_unlock(wdev); |
6039f6d2 JM |
90 | } |
91 | EXPORT_SYMBOL(cfg80211_send_rx_assoc); | |
92 | ||
ce470613 | 93 | void __cfg80211_send_deauth(struct net_device *dev, |
667503dd | 94 | const u8 *buf, size_t len) |
6039f6d2 | 95 | { |
6829c878 JB |
96 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
97 | struct wiphy *wiphy = wdev->wiphy; | |
6039f6d2 | 98 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
6829c878 | 99 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; |
19957bb3 | 100 | const u8 *bssid = mgmt->bssid; |
95de817b | 101 | bool was_current = false; |
6829c878 | 102 | |
667503dd | 103 | ASSERT_WDEV_LOCK(wdev); |
cb0b4beb | 104 | |
19957bb3 | 105 | if (wdev->current_bss && |
ac422d3c | 106 | ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) { |
19957bb3 JB |
107 | cfg80211_unhold_bss(wdev->current_bss); |
108 | cfg80211_put_bss(&wdev->current_bss->pub); | |
109 | wdev->current_bss = NULL; | |
3f3b6a8d | 110 | was_current = true; |
19957bb3 | 111 | } |
19957bb3 | 112 | |
5fba4af3 JB |
113 | nl80211_send_deauth(rdev, dev, buf, len, GFP_KERNEL); |
114 | ||
3f3b6a8d | 115 | if (wdev->sme_state == CFG80211_SME_CONNECTED && was_current) { |
6829c878 JB |
116 | u16 reason_code; |
117 | bool from_ap; | |
118 | ||
119 | reason_code = le16_to_cpu(mgmt->u.deauth.reason_code); | |
120 | ||
ac422d3c | 121 | from_ap = !ether_addr_equal(mgmt->sa, dev->dev_addr); |
667503dd | 122 | __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap); |
6829c878 | 123 | } else if (wdev->sme_state == CFG80211_SME_CONNECTING) { |
667503dd JB |
124 | __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0, |
125 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
df7fc0f9 | 126 | false, NULL); |
667503dd JB |
127 | } |
128 | } | |
ce470613 | 129 | EXPORT_SYMBOL(__cfg80211_send_deauth); |
667503dd | 130 | |
ce470613 | 131 | void cfg80211_send_deauth(struct net_device *dev, const u8 *buf, size_t len) |
667503dd JB |
132 | { |
133 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
134 | ||
ce470613 HS |
135 | wdev_lock(wdev); |
136 | __cfg80211_send_deauth(dev, buf, len); | |
137 | wdev_unlock(wdev); | |
6039f6d2 | 138 | } |
53b46b84 | 139 | EXPORT_SYMBOL(cfg80211_send_deauth); |
6039f6d2 | 140 | |
ce470613 | 141 | void __cfg80211_send_disassoc(struct net_device *dev, |
667503dd | 142 | const u8 *buf, size_t len) |
6039f6d2 | 143 | { |
6829c878 JB |
144 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
145 | struct wiphy *wiphy = wdev->wiphy; | |
6039f6d2 | 146 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
6829c878 | 147 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; |
19957bb3 | 148 | const u8 *bssid = mgmt->bssid; |
19957bb3 JB |
149 | u16 reason_code; |
150 | bool from_ap; | |
6829c878 | 151 | |
596a07c1 | 152 | ASSERT_WDEV_LOCK(wdev); |
cb0b4beb JB |
153 | |
154 | nl80211_send_disassoc(rdev, dev, buf, len, GFP_KERNEL); | |
a3b8b056 | 155 | |
596a07c1 JB |
156 | if (wdev->sme_state != CFG80211_SME_CONNECTED) |
157 | return; | |
6829c878 | 158 | |
19957bb3 | 159 | if (wdev->current_bss && |
ac422d3c | 160 | ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) { |
95de817b JB |
161 | cfg80211_sme_disassoc(dev, wdev->current_bss); |
162 | cfg80211_unhold_bss(wdev->current_bss); | |
163 | cfg80211_put_bss(&wdev->current_bss->pub); | |
164 | wdev->current_bss = NULL; | |
19957bb3 JB |
165 | } else |
166 | WARN_ON(1); | |
6829c878 | 167 | |
6829c878 | 168 | |
19957bb3 JB |
169 | reason_code = le16_to_cpu(mgmt->u.disassoc.reason_code); |
170 | ||
ac422d3c | 171 | from_ap = !ether_addr_equal(mgmt->sa, dev->dev_addr); |
667503dd | 172 | __cfg80211_disconnected(dev, NULL, 0, reason_code, from_ap); |
667503dd | 173 | } |
ce470613 | 174 | EXPORT_SYMBOL(__cfg80211_send_disassoc); |
667503dd | 175 | |
ce470613 | 176 | void cfg80211_send_disassoc(struct net_device *dev, const u8 *buf, size_t len) |
667503dd JB |
177 | { |
178 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
179 | ||
ce470613 HS |
180 | wdev_lock(wdev); |
181 | __cfg80211_send_disassoc(dev, buf, len); | |
182 | wdev_unlock(wdev); | |
1965c853 | 183 | } |
6829c878 | 184 | EXPORT_SYMBOL(cfg80211_send_disassoc); |
1965c853 | 185 | |
cf4e594e JM |
186 | void cfg80211_send_unprot_deauth(struct net_device *dev, const u8 *buf, |
187 | size_t len) | |
188 | { | |
189 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
190 | struct wiphy *wiphy = wdev->wiphy; | |
191 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
192 | ||
193 | nl80211_send_unprot_deauth(rdev, dev, buf, len, GFP_ATOMIC); | |
194 | } | |
195 | EXPORT_SYMBOL(cfg80211_send_unprot_deauth); | |
196 | ||
197 | void cfg80211_send_unprot_disassoc(struct net_device *dev, const u8 *buf, | |
198 | size_t len) | |
199 | { | |
200 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
201 | struct wiphy *wiphy = wdev->wiphy; | |
202 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
203 | ||
204 | nl80211_send_unprot_disassoc(rdev, dev, buf, len, GFP_ATOMIC); | |
205 | } | |
206 | EXPORT_SYMBOL(cfg80211_send_unprot_disassoc); | |
207 | ||
a58ce43f JB |
208 | void cfg80211_send_auth_timeout(struct net_device *dev, const u8 *addr) |
209 | { | |
210 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
211 | struct wiphy *wiphy = wdev->wiphy; | |
212 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
213 | ||
214 | wdev_lock(wdev); | |
215 | ||
216 | nl80211_send_auth_timeout(rdev, dev, addr, GFP_KERNEL); | |
217 | if (wdev->sme_state == CFG80211_SME_CONNECTING) | |
218 | __cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0, | |
219 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
220 | false, NULL); | |
221 | ||
667503dd | 222 | wdev_unlock(wdev); |
1965c853 JM |
223 | } |
224 | EXPORT_SYMBOL(cfg80211_send_auth_timeout); | |
225 | ||
cb0b4beb | 226 | void cfg80211_send_assoc_timeout(struct net_device *dev, const u8 *addr) |
1965c853 | 227 | { |
6829c878 JB |
228 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
229 | struct wiphy *wiphy = wdev->wiphy; | |
1965c853 | 230 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
19957bb3 | 231 | |
667503dd | 232 | wdev_lock(wdev); |
cb0b4beb JB |
233 | |
234 | nl80211_send_assoc_timeout(rdev, dev, addr, GFP_KERNEL); | |
6829c878 | 235 | if (wdev->sme_state == CFG80211_SME_CONNECTING) |
667503dd JB |
236 | __cfg80211_connect_result(dev, addr, NULL, 0, NULL, 0, |
237 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
df7fc0f9 | 238 | false, NULL); |
19957bb3 | 239 | |
667503dd | 240 | wdev_unlock(wdev); |
1965c853 JM |
241 | } |
242 | EXPORT_SYMBOL(cfg80211_send_assoc_timeout); | |
243 | ||
a3b8b056 JM |
244 | void cfg80211_michael_mic_failure(struct net_device *dev, const u8 *addr, |
245 | enum nl80211_key_type key_type, int key_id, | |
e6d6e342 | 246 | const u8 *tsc, gfp_t gfp) |
a3b8b056 JM |
247 | { |
248 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; | |
249 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
3d23e349 | 250 | #ifdef CONFIG_CFG80211_WEXT |
f58d4ed9 | 251 | union iwreq_data wrqu; |
e6d6e342 | 252 | char *buf = kmalloc(128, gfp); |
f58d4ed9 JB |
253 | |
254 | if (buf) { | |
255 | sprintf(buf, "MLME-MICHAELMICFAILURE.indication(" | |
256 | "keyid=%d %scast addr=%pM)", key_id, | |
257 | key_type == NL80211_KEYTYPE_GROUP ? "broad" : "uni", | |
258 | addr); | |
259 | memset(&wrqu, 0, sizeof(wrqu)); | |
260 | wrqu.data.length = strlen(buf); | |
261 | wireless_send_event(dev, IWEVCUSTOM, &wrqu, buf); | |
262 | kfree(buf); | |
263 | } | |
264 | #endif | |
265 | ||
e6d6e342 | 266 | nl80211_michael_mic_failure(rdev, dev, addr, key_type, key_id, tsc, gfp); |
a3b8b056 JM |
267 | } |
268 | EXPORT_SYMBOL(cfg80211_michael_mic_failure); | |
19957bb3 JB |
269 | |
270 | /* some MLME handling for userspace SME */ | |
667503dd JB |
271 | int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, |
272 | struct net_device *dev, | |
273 | struct ieee80211_channel *chan, | |
274 | enum nl80211_auth_type auth_type, | |
275 | const u8 *bssid, | |
276 | const u8 *ssid, int ssid_len, | |
fffd0934 | 277 | const u8 *ie, int ie_len, |
e39e5b5e JM |
278 | const u8 *key, int key_len, int key_idx, |
279 | const u8 *sae_data, int sae_data_len) | |
19957bb3 JB |
280 | { |
281 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
282 | struct cfg80211_auth_request req; | |
95de817b | 283 | int err; |
19957bb3 | 284 | |
667503dd JB |
285 | ASSERT_WDEV_LOCK(wdev); |
286 | ||
fffd0934 JB |
287 | if (auth_type == NL80211_AUTHTYPE_SHARED_KEY) |
288 | if (!key || !key_len || key_idx < 0 || key_idx > 4) | |
289 | return -EINVAL; | |
290 | ||
0a9b5e17 | 291 | if (wdev->current_bss && |
ac422d3c | 292 | ether_addr_equal(bssid, wdev->current_bss->pub.bssid)) |
0a9b5e17 JB |
293 | return -EALREADY; |
294 | ||
19957bb3 JB |
295 | memset(&req, 0, sizeof(req)); |
296 | ||
297 | req.ie = ie; | |
298 | req.ie_len = ie_len; | |
e39e5b5e JM |
299 | req.sae_data = sae_data; |
300 | req.sae_data_len = sae_data_len; | |
19957bb3 JB |
301 | req.auth_type = auth_type; |
302 | req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len, | |
303 | WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); | |
fffd0934 JB |
304 | req.key = key; |
305 | req.key_len = key_len; | |
306 | req.key_idx = key_idx; | |
19957bb3 JB |
307 | if (!req.bss) |
308 | return -ENOENT; | |
309 | ||
e4e32459 MK |
310 | err = cfg80211_can_use_chan(rdev, wdev, req.bss->channel, |
311 | CHAN_MODE_SHARED); | |
312 | if (err) | |
313 | goto out; | |
314 | ||
e35e4d28 | 315 | err = rdev_auth(rdev, dev, &req); |
19957bb3 | 316 | |
e4e32459 | 317 | out: |
95de817b | 318 | cfg80211_put_bss(req.bss); |
19957bb3 JB |
319 | return err; |
320 | } | |
321 | ||
667503dd JB |
322 | int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, |
323 | struct net_device *dev, struct ieee80211_channel *chan, | |
324 | enum nl80211_auth_type auth_type, const u8 *bssid, | |
325 | const u8 *ssid, int ssid_len, | |
fffd0934 | 326 | const u8 *ie, int ie_len, |
e39e5b5e JM |
327 | const u8 *key, int key_len, int key_idx, |
328 | const u8 *sae_data, int sae_data_len) | |
667503dd JB |
329 | { |
330 | int err; | |
331 | ||
e4e32459 | 332 | mutex_lock(&rdev->devlist_mtx); |
667503dd JB |
333 | wdev_lock(dev->ieee80211_ptr); |
334 | err = __cfg80211_mlme_auth(rdev, dev, chan, auth_type, bssid, | |
fffd0934 | 335 | ssid, ssid_len, ie, ie_len, |
e39e5b5e JM |
336 | key, key_len, key_idx, |
337 | sae_data, sae_data_len); | |
667503dd | 338 | wdev_unlock(dev->ieee80211_ptr); |
e4e32459 | 339 | mutex_unlock(&rdev->devlist_mtx); |
667503dd JB |
340 | |
341 | return err; | |
342 | } | |
343 | ||
7e7c8926 BG |
344 | /* Do a logical ht_capa &= ht_capa_mask. */ |
345 | void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa, | |
346 | const struct ieee80211_ht_cap *ht_capa_mask) | |
347 | { | |
348 | int i; | |
349 | u8 *p1, *p2; | |
350 | if (!ht_capa_mask) { | |
351 | memset(ht_capa, 0, sizeof(*ht_capa)); | |
352 | return; | |
353 | } | |
354 | ||
355 | p1 = (u8*)(ht_capa); | |
356 | p2 = (u8*)(ht_capa_mask); | |
357 | for (i = 0; i<sizeof(*ht_capa); i++) | |
358 | p1[i] &= p2[i]; | |
359 | } | |
360 | ||
667503dd JB |
361 | int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
362 | struct net_device *dev, | |
363 | struct ieee80211_channel *chan, | |
364 | const u8 *bssid, const u8 *prev_bssid, | |
365 | const u8 *ssid, int ssid_len, | |
366 | const u8 *ie, int ie_len, bool use_mfp, | |
7e7c8926 BG |
367 | struct cfg80211_crypto_settings *crypt, |
368 | u32 assoc_flags, struct ieee80211_ht_cap *ht_capa, | |
369 | struct ieee80211_ht_cap *ht_capa_mask) | |
19957bb3 JB |
370 | { |
371 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
372 | struct cfg80211_assoc_request req; | |
95de817b | 373 | int err; |
24b6b15f | 374 | bool was_connected = false; |
19957bb3 | 375 | |
667503dd JB |
376 | ASSERT_WDEV_LOCK(wdev); |
377 | ||
19957bb3 JB |
378 | memset(&req, 0, sizeof(req)); |
379 | ||
24b6b15f | 380 | if (wdev->current_bss && prev_bssid && |
ac422d3c | 381 | ether_addr_equal(wdev->current_bss->pub.bssid, prev_bssid)) { |
24b6b15f JM |
382 | /* |
383 | * Trying to reassociate: Allow this to proceed and let the old | |
384 | * association to be dropped when the new one is completed. | |
385 | */ | |
386 | if (wdev->sme_state == CFG80211_SME_CONNECTED) { | |
387 | was_connected = true; | |
388 | wdev->sme_state = CFG80211_SME_CONNECTING; | |
389 | } | |
390 | } else if (wdev->current_bss) | |
19957bb3 JB |
391 | return -EALREADY; |
392 | ||
393 | req.ie = ie; | |
394 | req.ie_len = ie_len; | |
395 | memcpy(&req.crypto, crypt, sizeof(req.crypto)); | |
396 | req.use_mfp = use_mfp; | |
3e5d7649 | 397 | req.prev_bssid = prev_bssid; |
7e7c8926 BG |
398 | req.flags = assoc_flags; |
399 | if (ht_capa) | |
400 | memcpy(&req.ht_capa, ht_capa, sizeof(req.ht_capa)); | |
401 | if (ht_capa_mask) | |
402 | memcpy(&req.ht_capa_mask, ht_capa_mask, | |
403 | sizeof(req.ht_capa_mask)); | |
404 | cfg80211_oper_and_ht_capa(&req.ht_capa_mask, | |
405 | rdev->wiphy.ht_capa_mod_mask); | |
406 | ||
19957bb3 JB |
407 | req.bss = cfg80211_get_bss(&rdev->wiphy, chan, bssid, ssid, ssid_len, |
408 | WLAN_CAPABILITY_ESS, WLAN_CAPABILITY_ESS); | |
24b6b15f JM |
409 | if (!req.bss) { |
410 | if (was_connected) | |
411 | wdev->sme_state = CFG80211_SME_CONNECTED; | |
19957bb3 | 412 | return -ENOENT; |
24b6b15f | 413 | } |
19957bb3 | 414 | |
e4e32459 MK |
415 | err = cfg80211_can_use_chan(rdev, wdev, req.bss->channel, |
416 | CHAN_MODE_SHARED); | |
417 | if (err) | |
418 | goto out; | |
419 | ||
e35e4d28 | 420 | err = rdev_assoc(rdev, dev, &req); |
19957bb3 | 421 | |
e4e32459 | 422 | out: |
95de817b JB |
423 | if (err) { |
424 | if (was_connected) | |
425 | wdev->sme_state = CFG80211_SME_CONNECTED; | |
426 | cfg80211_put_bss(req.bss); | |
19957bb3 JB |
427 | } |
428 | ||
19957bb3 JB |
429 | return err; |
430 | } | |
431 | ||
667503dd JB |
432 | int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
433 | struct net_device *dev, | |
434 | struct ieee80211_channel *chan, | |
435 | const u8 *bssid, const u8 *prev_bssid, | |
436 | const u8 *ssid, int ssid_len, | |
437 | const u8 *ie, int ie_len, bool use_mfp, | |
7e7c8926 BG |
438 | struct cfg80211_crypto_settings *crypt, |
439 | u32 assoc_flags, struct ieee80211_ht_cap *ht_capa, | |
440 | struct ieee80211_ht_cap *ht_capa_mask) | |
667503dd JB |
441 | { |
442 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
443 | int err; | |
444 | ||
e4e32459 | 445 | mutex_lock(&rdev->devlist_mtx); |
667503dd JB |
446 | wdev_lock(wdev); |
447 | err = __cfg80211_mlme_assoc(rdev, dev, chan, bssid, prev_bssid, | |
7e7c8926 BG |
448 | ssid, ssid_len, ie, ie_len, use_mfp, crypt, |
449 | assoc_flags, ht_capa, ht_capa_mask); | |
667503dd | 450 | wdev_unlock(wdev); |
e4e32459 | 451 | mutex_unlock(&rdev->devlist_mtx); |
667503dd JB |
452 | |
453 | return err; | |
454 | } | |
455 | ||
456 | int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, | |
457 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
458 | const u8 *ie, int ie_len, u16 reason, |
459 | bool local_state_change) | |
19957bb3 JB |
460 | { |
461 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
95de817b JB |
462 | struct cfg80211_deauth_request req = { |
463 | .bssid = bssid, | |
464 | .reason_code = reason, | |
465 | .ie = ie, | |
466 | .ie_len = ie_len, | |
467 | }; | |
19957bb3 | 468 | |
667503dd JB |
469 | ASSERT_WDEV_LOCK(wdev); |
470 | ||
95de817b JB |
471 | if (local_state_change) { |
472 | if (wdev->current_bss && | |
ac422d3c | 473 | ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) { |
95de817b JB |
474 | cfg80211_unhold_bss(wdev->current_bss); |
475 | cfg80211_put_bss(&wdev->current_bss->pub); | |
476 | wdev->current_bss = NULL; | |
19957bb3 | 477 | } |
19957bb3 | 478 | |
95de817b JB |
479 | return 0; |
480 | } | |
19957bb3 | 481 | |
e35e4d28 | 482 | return rdev_deauth(rdev, dev, &req); |
19957bb3 JB |
483 | } |
484 | ||
667503dd JB |
485 | int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, |
486 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
487 | const u8 *ie, int ie_len, u16 reason, |
488 | bool local_state_change) | |
667503dd JB |
489 | { |
490 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
491 | int err; | |
492 | ||
493 | wdev_lock(wdev); | |
d5cdfacb JM |
494 | err = __cfg80211_mlme_deauth(rdev, dev, bssid, ie, ie_len, reason, |
495 | local_state_change); | |
667503dd JB |
496 | wdev_unlock(wdev); |
497 | ||
498 | return err; | |
499 | } | |
500 | ||
501 | static int __cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, | |
502 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
503 | const u8 *ie, int ie_len, u16 reason, |
504 | bool local_state_change) | |
19957bb3 JB |
505 | { |
506 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
507 | struct cfg80211_disassoc_request req; | |
508 | ||
667503dd JB |
509 | ASSERT_WDEV_LOCK(wdev); |
510 | ||
f9d6b402 JB |
511 | if (wdev->sme_state != CFG80211_SME_CONNECTED) |
512 | return -ENOTCONN; | |
513 | ||
514 | if (WARN_ON(!wdev->current_bss)) | |
515 | return -ENOTCONN; | |
516 | ||
19957bb3 JB |
517 | memset(&req, 0, sizeof(req)); |
518 | req.reason_code = reason; | |
d5cdfacb | 519 | req.local_state_change = local_state_change; |
19957bb3 JB |
520 | req.ie = ie; |
521 | req.ie_len = ie_len; | |
ac422d3c | 522 | if (ether_addr_equal(wdev->current_bss->pub.bssid, bssid)) |
19957bb3 JB |
523 | req.bss = &wdev->current_bss->pub; |
524 | else | |
525 | return -ENOTCONN; | |
526 | ||
e35e4d28 | 527 | return rdev_disassoc(rdev, dev, &req); |
667503dd JB |
528 | } |
529 | ||
530 | int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, | |
531 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
532 | const u8 *ie, int ie_len, u16 reason, |
533 | bool local_state_change) | |
667503dd JB |
534 | { |
535 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
536 | int err; | |
537 | ||
538 | wdev_lock(wdev); | |
d5cdfacb JM |
539 | err = __cfg80211_mlme_disassoc(rdev, dev, bssid, ie, ie_len, reason, |
540 | local_state_change); | |
667503dd JB |
541 | wdev_unlock(wdev); |
542 | ||
543 | return err; | |
19957bb3 JB |
544 | } |
545 | ||
546 | void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, | |
547 | struct net_device *dev) | |
548 | { | |
549 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
550 | struct cfg80211_deauth_request req; | |
95de817b | 551 | u8 bssid[ETH_ALEN]; |
19957bb3 | 552 | |
667503dd JB |
553 | ASSERT_WDEV_LOCK(wdev); |
554 | ||
19957bb3 JB |
555 | if (!rdev->ops->deauth) |
556 | return; | |
557 | ||
558 | memset(&req, 0, sizeof(req)); | |
559 | req.reason_code = WLAN_REASON_DEAUTH_LEAVING; | |
560 | req.ie = NULL; | |
561 | req.ie_len = 0; | |
562 | ||
95de817b JB |
563 | if (!wdev->current_bss) |
564 | return; | |
19957bb3 | 565 | |
95de817b JB |
566 | memcpy(bssid, wdev->current_bss->pub.bssid, ETH_ALEN); |
567 | req.bssid = bssid; | |
e35e4d28 | 568 | rdev_deauth(rdev, dev, &req); |
95de817b JB |
569 | |
570 | if (wdev->current_bss) { | |
571 | cfg80211_unhold_bss(wdev->current_bss); | |
572 | cfg80211_put_bss(&wdev->current_bss->pub); | |
573 | wdev->current_bss = NULL; | |
19957bb3 JB |
574 | } |
575 | } | |
9588bbd5 | 576 | |
71bbc994 | 577 | void cfg80211_ready_on_channel(struct wireless_dev *wdev, u64 cookie, |
9588bbd5 JM |
578 | struct ieee80211_channel *chan, |
579 | enum nl80211_channel_type channel_type, | |
580 | unsigned int duration, gfp_t gfp) | |
581 | { | |
71bbc994 | 582 | struct wiphy *wiphy = wdev->wiphy; |
9588bbd5 JM |
583 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
584 | ||
71bbc994 | 585 | nl80211_send_remain_on_channel(rdev, wdev, cookie, chan, channel_type, |
9588bbd5 JM |
586 | duration, gfp); |
587 | } | |
588 | EXPORT_SYMBOL(cfg80211_ready_on_channel); | |
589 | ||
71bbc994 | 590 | void cfg80211_remain_on_channel_expired(struct wireless_dev *wdev, u64 cookie, |
9588bbd5 JM |
591 | struct ieee80211_channel *chan, |
592 | enum nl80211_channel_type channel_type, | |
593 | gfp_t gfp) | |
594 | { | |
71bbc994 | 595 | struct wiphy *wiphy = wdev->wiphy; |
9588bbd5 JM |
596 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); |
597 | ||
71bbc994 | 598 | nl80211_send_remain_on_channel_cancel(rdev, wdev, cookie, chan, |
9588bbd5 JM |
599 | channel_type, gfp); |
600 | } | |
601 | EXPORT_SYMBOL(cfg80211_remain_on_channel_expired); | |
98b62183 JB |
602 | |
603 | void cfg80211_new_sta(struct net_device *dev, const u8 *mac_addr, | |
604 | struct station_info *sinfo, gfp_t gfp) | |
605 | { | |
606 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; | |
607 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
608 | ||
609 | nl80211_send_sta_event(rdev, dev, mac_addr, sinfo, gfp); | |
610 | } | |
611 | EXPORT_SYMBOL(cfg80211_new_sta); | |
026331c4 | 612 | |
ec15e68b JM |
613 | void cfg80211_del_sta(struct net_device *dev, const u8 *mac_addr, gfp_t gfp) |
614 | { | |
615 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; | |
616 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
617 | ||
618 | nl80211_send_sta_del_event(rdev, dev, mac_addr, gfp); | |
619 | } | |
620 | EXPORT_SYMBOL(cfg80211_del_sta); | |
621 | ||
ed44a951 PP |
622 | void cfg80211_conn_failed(struct net_device *dev, const u8 *mac_addr, |
623 | enum nl80211_connect_failed_reason reason, | |
624 | gfp_t gfp) | |
625 | { | |
626 | struct wiphy *wiphy = dev->ieee80211_ptr->wiphy; | |
627 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
628 | ||
629 | nl80211_send_conn_failed_event(rdev, dev, mac_addr, reason, gfp); | |
630 | } | |
631 | EXPORT_SYMBOL(cfg80211_conn_failed); | |
632 | ||
2e161f78 | 633 | struct cfg80211_mgmt_registration { |
026331c4 JM |
634 | struct list_head list; |
635 | ||
15e47304 | 636 | u32 nlportid; |
026331c4 JM |
637 | |
638 | int match_len; | |
639 | ||
2e161f78 JB |
640 | __le16 frame_type; |
641 | ||
026331c4 JM |
642 | u8 match[]; |
643 | }; | |
644 | ||
15e47304 | 645 | int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_portid, |
2e161f78 JB |
646 | u16 frame_type, const u8 *match_data, |
647 | int match_len) | |
026331c4 | 648 | { |
271733cf JB |
649 | struct wiphy *wiphy = wdev->wiphy; |
650 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
2e161f78 | 651 | struct cfg80211_mgmt_registration *reg, *nreg; |
026331c4 | 652 | int err = 0; |
2e161f78 JB |
653 | u16 mgmt_type; |
654 | ||
655 | if (!wdev->wiphy->mgmt_stypes) | |
656 | return -EOPNOTSUPP; | |
657 | ||
658 | if ((frame_type & IEEE80211_FCTL_FTYPE) != IEEE80211_FTYPE_MGMT) | |
659 | return -EINVAL; | |
660 | ||
661 | if (frame_type & ~(IEEE80211_FCTL_FTYPE | IEEE80211_FCTL_STYPE)) | |
662 | return -EINVAL; | |
663 | ||
664 | mgmt_type = (frame_type & IEEE80211_FCTL_STYPE) >> 4; | |
665 | if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].rx & BIT(mgmt_type))) | |
666 | return -EINVAL; | |
026331c4 JM |
667 | |
668 | nreg = kzalloc(sizeof(*reg) + match_len, GFP_KERNEL); | |
669 | if (!nreg) | |
670 | return -ENOMEM; | |
671 | ||
2e161f78 | 672 | spin_lock_bh(&wdev->mgmt_registrations_lock); |
026331c4 | 673 | |
2e161f78 | 674 | list_for_each_entry(reg, &wdev->mgmt_registrations, list) { |
026331c4 JM |
675 | int mlen = min(match_len, reg->match_len); |
676 | ||
2e161f78 JB |
677 | if (frame_type != le16_to_cpu(reg->frame_type)) |
678 | continue; | |
679 | ||
026331c4 JM |
680 | if (memcmp(reg->match, match_data, mlen) == 0) { |
681 | err = -EALREADY; | |
682 | break; | |
683 | } | |
684 | } | |
685 | ||
686 | if (err) { | |
687 | kfree(nreg); | |
688 | goto out; | |
689 | } | |
690 | ||
691 | memcpy(nreg->match, match_data, match_len); | |
692 | nreg->match_len = match_len; | |
15e47304 | 693 | nreg->nlportid = snd_portid; |
2e161f78 JB |
694 | nreg->frame_type = cpu_to_le16(frame_type); |
695 | list_add(&nreg->list, &wdev->mgmt_registrations); | |
026331c4 | 696 | |
271733cf | 697 | if (rdev->ops->mgmt_frame_register) |
e35e4d28 | 698 | rdev_mgmt_frame_register(rdev, wdev, frame_type, true); |
271733cf | 699 | |
026331c4 | 700 | out: |
2e161f78 | 701 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
271733cf | 702 | |
026331c4 JM |
703 | return err; |
704 | } | |
705 | ||
15e47304 | 706 | void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlportid) |
026331c4 | 707 | { |
271733cf JB |
708 | struct wiphy *wiphy = wdev->wiphy; |
709 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
2e161f78 | 710 | struct cfg80211_mgmt_registration *reg, *tmp; |
026331c4 | 711 | |
2e161f78 | 712 | spin_lock_bh(&wdev->mgmt_registrations_lock); |
026331c4 | 713 | |
2e161f78 | 714 | list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) { |
15e47304 | 715 | if (reg->nlportid != nlportid) |
271733cf JB |
716 | continue; |
717 | ||
718 | if (rdev->ops->mgmt_frame_register) { | |
719 | u16 frame_type = le16_to_cpu(reg->frame_type); | |
720 | ||
e35e4d28 HG |
721 | rdev_mgmt_frame_register(rdev, wdev, |
722 | frame_type, false); | |
026331c4 | 723 | } |
271733cf JB |
724 | |
725 | list_del(®->list); | |
726 | kfree(reg); | |
026331c4 JM |
727 | } |
728 | ||
2e161f78 | 729 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
28946da7 | 730 | |
15e47304 EB |
731 | if (nlportid == wdev->ap_unexpected_nlportid) |
732 | wdev->ap_unexpected_nlportid = 0; | |
026331c4 JM |
733 | } |
734 | ||
2e161f78 | 735 | void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev) |
026331c4 | 736 | { |
2e161f78 | 737 | struct cfg80211_mgmt_registration *reg, *tmp; |
026331c4 | 738 | |
2e161f78 | 739 | spin_lock_bh(&wdev->mgmt_registrations_lock); |
026331c4 | 740 | |
2e161f78 | 741 | list_for_each_entry_safe(reg, tmp, &wdev->mgmt_registrations, list) { |
026331c4 JM |
742 | list_del(®->list); |
743 | kfree(reg); | |
744 | } | |
745 | ||
2e161f78 | 746 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
026331c4 JM |
747 | } |
748 | ||
2e161f78 | 749 | int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, |
71bbc994 | 750 | struct wireless_dev *wdev, |
f7ca38df | 751 | struct ieee80211_channel *chan, bool offchan, |
2e161f78 | 752 | enum nl80211_channel_type channel_type, |
f7ca38df | 753 | bool channel_type_valid, unsigned int wait, |
e9f935e3 | 754 | const u8 *buf, size_t len, bool no_cck, |
e247bd90 | 755 | bool dont_wait_for_ack, u64 *cookie) |
026331c4 | 756 | { |
026331c4 | 757 | const struct ieee80211_mgmt *mgmt; |
2e161f78 JB |
758 | u16 stype; |
759 | ||
760 | if (!wdev->wiphy->mgmt_stypes) | |
761 | return -EOPNOTSUPP; | |
026331c4 | 762 | |
2e161f78 | 763 | if (!rdev->ops->mgmt_tx) |
026331c4 | 764 | return -EOPNOTSUPP; |
2e161f78 | 765 | |
026331c4 JM |
766 | if (len < 24 + 1) |
767 | return -EINVAL; | |
768 | ||
769 | mgmt = (const struct ieee80211_mgmt *) buf; | |
2e161f78 JB |
770 | |
771 | if (!ieee80211_is_mgmt(mgmt->frame_control)) | |
026331c4 | 772 | return -EINVAL; |
2e161f78 JB |
773 | |
774 | stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE; | |
775 | if (!(wdev->wiphy->mgmt_stypes[wdev->iftype].tx & BIT(stype >> 4))) | |
776 | return -EINVAL; | |
777 | ||
778 | if (ieee80211_is_action(mgmt->frame_control) && | |
779 | mgmt->u.action.category != WLAN_CATEGORY_PUBLIC) { | |
663fcafd JB |
780 | int err = 0; |
781 | ||
fe100acd JB |
782 | wdev_lock(wdev); |
783 | ||
663fcafd JB |
784 | switch (wdev->iftype) { |
785 | case NL80211_IFTYPE_ADHOC: | |
786 | case NL80211_IFTYPE_STATION: | |
787 | case NL80211_IFTYPE_P2P_CLIENT: | |
788 | if (!wdev->current_bss) { | |
789 | err = -ENOTCONN; | |
790 | break; | |
791 | } | |
792 | ||
ac422d3c JP |
793 | if (!ether_addr_equal(wdev->current_bss->pub.bssid, |
794 | mgmt->bssid)) { | |
663fcafd JB |
795 | err = -ENOTCONN; |
796 | break; | |
797 | } | |
798 | ||
799 | /* | |
800 | * check for IBSS DA must be done by driver as | |
801 | * cfg80211 doesn't track the stations | |
802 | */ | |
803 | if (wdev->iftype == NL80211_IFTYPE_ADHOC) | |
804 | break; | |
fe100acd | 805 | |
663fcafd | 806 | /* for station, check that DA is the AP */ |
ac422d3c JP |
807 | if (!ether_addr_equal(wdev->current_bss->pub.bssid, |
808 | mgmt->da)) { | |
663fcafd JB |
809 | err = -ENOTCONN; |
810 | break; | |
811 | } | |
812 | break; | |
813 | case NL80211_IFTYPE_AP: | |
814 | case NL80211_IFTYPE_P2P_GO: | |
815 | case NL80211_IFTYPE_AP_VLAN: | |
98104fde | 816 | if (!ether_addr_equal(mgmt->bssid, wdev_address(wdev))) |
663fcafd JB |
817 | err = -EINVAL; |
818 | break; | |
0778a6a3 | 819 | case NL80211_IFTYPE_MESH_POINT: |
ac422d3c | 820 | if (!ether_addr_equal(mgmt->sa, mgmt->bssid)) { |
0778a6a3 JC |
821 | err = -EINVAL; |
822 | break; | |
823 | } | |
824 | /* | |
825 | * check for mesh DA must be done by driver as | |
826 | * cfg80211 doesn't track the stations | |
827 | */ | |
828 | break; | |
98104fde JB |
829 | case NL80211_IFTYPE_P2P_DEVICE: |
830 | /* | |
831 | * fall through, P2P device only supports | |
832 | * public action frames | |
833 | */ | |
663fcafd JB |
834 | default: |
835 | err = -EOPNOTSUPP; | |
836 | break; | |
837 | } | |
fe100acd | 838 | wdev_unlock(wdev); |
663fcafd JB |
839 | |
840 | if (err) | |
841 | return err; | |
026331c4 JM |
842 | } |
843 | ||
98104fde | 844 | if (!ether_addr_equal(mgmt->sa, wdev_address(wdev))) |
026331c4 JM |
845 | return -EINVAL; |
846 | ||
847 | /* Transmit the Action frame as requested by user space */ | |
e35e4d28 HG |
848 | return rdev_mgmt_tx(rdev, wdev, chan, offchan, |
849 | channel_type, channel_type_valid, | |
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 | |
2e161f78 | 870 | stype = (le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE) >> 4; |
026331c4 | 871 | |
2e161f78 JB |
872 | if (!(stypes->rx & BIT(stype))) |
873 | return false; | |
026331c4 | 874 | |
2e161f78 JB |
875 | data = buf + ieee80211_hdrlen(mgmt->frame_control); |
876 | data_len = len - ieee80211_hdrlen(mgmt->frame_control); | |
877 | ||
878 | spin_lock_bh(&wdev->mgmt_registrations_lock); | |
879 | ||
880 | list_for_each_entry(reg, &wdev->mgmt_registrations, list) { | |
881 | if (reg->frame_type != ftype) | |
882 | continue; | |
026331c4 | 883 | |
2e161f78 | 884 | if (reg->match_len > data_len) |
026331c4 JM |
885 | continue; |
886 | ||
2e161f78 | 887 | if (memcmp(reg->match, data, reg->match_len)) |
026331c4 JM |
888 | continue; |
889 | ||
890 | /* found match! */ | |
891 | ||
892 | /* Indicate the received Action frame to user space */ | |
15e47304 | 893 | if (nl80211_send_mgmt(rdev, wdev, reg->nlportid, |
804483e9 | 894 | freq, sig_mbm, |
2e161f78 | 895 | buf, len, gfp)) |
026331c4 JM |
896 | continue; |
897 | ||
898 | result = true; | |
899 | break; | |
900 | } | |
901 | ||
2e161f78 | 902 | spin_unlock_bh(&wdev->mgmt_registrations_lock); |
026331c4 JM |
903 | |
904 | return result; | |
905 | } | |
2e161f78 | 906 | EXPORT_SYMBOL(cfg80211_rx_mgmt); |
026331c4 | 907 | |
71bbc994 | 908 | void cfg80211_mgmt_tx_status(struct wireless_dev *wdev, u64 cookie, |
2e161f78 | 909 | const u8 *buf, size_t len, bool ack, gfp_t gfp) |
026331c4 | 910 | { |
026331c4 JM |
911 | struct wiphy *wiphy = wdev->wiphy; |
912 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
913 | ||
914 | /* Indicate TX status of the Action frame to user space */ | |
71bbc994 | 915 | nl80211_send_mgmt_tx_status(rdev, wdev, cookie, buf, len, ack, gfp); |
026331c4 | 916 | } |
2e161f78 | 917 | EXPORT_SYMBOL(cfg80211_mgmt_tx_status); |
d6dc1a38 JO |
918 | |
919 | void cfg80211_cqm_rssi_notify(struct net_device *dev, | |
920 | enum nl80211_cqm_rssi_threshold_event rssi_event, | |
921 | gfp_t gfp) | |
922 | { | |
923 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
924 | struct wiphy *wiphy = wdev->wiphy; | |
925 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
926 | ||
927 | /* Indicate roaming trigger event to user space */ | |
928 | nl80211_send_cqm_rssi_notify(rdev, dev, rssi_event, gfp); | |
929 | } | |
930 | EXPORT_SYMBOL(cfg80211_cqm_rssi_notify); | |
c063dbf5 JB |
931 | |
932 | void cfg80211_cqm_pktloss_notify(struct net_device *dev, | |
933 | const u8 *peer, u32 num_packets, gfp_t gfp) | |
934 | { | |
935 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
936 | struct wiphy *wiphy = wdev->wiphy; | |
937 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
938 | ||
939 | /* Indicate roaming trigger event to user space */ | |
940 | nl80211_send_cqm_pktloss_notify(rdev, dev, peer, num_packets, gfp); | |
941 | } | |
942 | EXPORT_SYMBOL(cfg80211_cqm_pktloss_notify); | |
e5497d76 | 943 | |
84f10708 TP |
944 | void cfg80211_cqm_txe_notify(struct net_device *dev, |
945 | const u8 *peer, u32 num_packets, | |
946 | u32 rate, u32 intvl, gfp_t gfp) | |
947 | { | |
948 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
949 | struct wiphy *wiphy = wdev->wiphy; | |
950 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
951 | ||
952 | nl80211_send_cqm_txe_notify(rdev, dev, peer, num_packets, | |
953 | rate, intvl, gfp); | |
954 | } | |
955 | EXPORT_SYMBOL(cfg80211_cqm_txe_notify); | |
956 | ||
e5497d76 JB |
957 | void cfg80211_gtk_rekey_notify(struct net_device *dev, const u8 *bssid, |
958 | const u8 *replay_ctr, gfp_t gfp) | |
959 | { | |
960 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
961 | struct wiphy *wiphy = wdev->wiphy; | |
962 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
963 | ||
964 | nl80211_gtk_rekey_notify(rdev, dev, bssid, replay_ctr, gfp); | |
965 | } | |
966 | EXPORT_SYMBOL(cfg80211_gtk_rekey_notify); | |
c9df56b4 JM |
967 | |
968 | void cfg80211_pmksa_candidate_notify(struct net_device *dev, int index, | |
969 | const u8 *bssid, bool preauth, gfp_t gfp) | |
970 | { | |
971 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
972 | struct wiphy *wiphy = wdev->wiphy; | |
973 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
974 | ||
975 | nl80211_pmksa_candidate_notify(rdev, dev, index, bssid, preauth, gfp); | |
976 | } | |
977 | EXPORT_SYMBOL(cfg80211_pmksa_candidate_notify); | |
28946da7 | 978 | |
5314526b TP |
979 | void cfg80211_ch_switch_notify(struct net_device *dev, int freq, |
980 | enum nl80211_channel_type type) | |
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 | struct ieee80211_channel *chan; | |
986 | ||
987 | wdev_lock(wdev); | |
988 | ||
989 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
990 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) | |
991 | goto out; | |
992 | ||
993 | chan = rdev_freq_to_chan(rdev, freq, type); | |
994 | if (WARN_ON(!chan)) | |
995 | goto out; | |
996 | ||
f4489ebe | 997 | wdev->channel = chan; |
5314526b TP |
998 | nl80211_ch_switch_notify(rdev, dev, freq, type, GFP_KERNEL); |
999 | out: | |
1000 | wdev_unlock(wdev); | |
1001 | return; | |
1002 | } | |
1003 | EXPORT_SYMBOL(cfg80211_ch_switch_notify); | |
1004 | ||
28946da7 JB |
1005 | bool cfg80211_rx_spurious_frame(struct net_device *dev, |
1006 | const u8 *addr, gfp_t gfp) | |
1007 | { | |
1008 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
1009 | ||
1010 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
1011 | wdev->iftype != NL80211_IFTYPE_P2P_GO)) | |
1012 | return false; | |
1013 | ||
1014 | return nl80211_unexpected_frame(dev, addr, gfp); | |
1015 | } | |
1016 | EXPORT_SYMBOL(cfg80211_rx_spurious_frame); | |
b92ab5d8 JB |
1017 | |
1018 | bool cfg80211_rx_unexpected_4addr_frame(struct net_device *dev, | |
1019 | const u8 *addr, gfp_t gfp) | |
1020 | { | |
1021 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
1022 | ||
1023 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_AP && | |
1024 | wdev->iftype != NL80211_IFTYPE_P2P_GO && | |
1025 | wdev->iftype != NL80211_IFTYPE_AP_VLAN)) | |
1026 | return false; | |
1027 | ||
1028 | return nl80211_unexpected_4addr_frame(dev, addr, gfp); | |
1029 | } | |
1030 | EXPORT_SYMBOL(cfg80211_rx_unexpected_4addr_frame); |