Commit | Line | Data |
---|---|---|
b23aa676 SO |
1 | /* |
2 | * SME code for cfg80211's connect emulation. | |
3 | * | |
4 | * Copyright 2009 Johannes Berg <johannes@sipsolutions.net> | |
5 | * Copyright (C) 2009 Intel Corporation. All rights reserved. | |
6 | */ | |
7 | ||
8 | #include <linux/etherdevice.h> | |
9 | #include <linux/if_arp.h> | |
5a0e3ad6 | 10 | #include <linux/slab.h> |
b23aa676 | 11 | #include <linux/workqueue.h> |
a9a11622 | 12 | #include <linux/wireless.h> |
bc3b2d7f | 13 | #include <linux/export.h> |
a9a11622 | 14 | #include <net/iw_handler.h> |
b23aa676 SO |
15 | #include <net/cfg80211.h> |
16 | #include <net/rtnetlink.h> | |
17 | #include "nl80211.h" | |
8b19e6ca | 18 | #include "reg.h" |
b23aa676 | 19 | |
6829c878 JB |
20 | struct cfg80211_conn { |
21 | struct cfg80211_connect_params params; | |
22 | /* these are sub-states of the _CONNECTING sme_state */ | |
23 | enum { | |
24 | CFG80211_CONN_IDLE, | |
25 | CFG80211_CONN_SCANNING, | |
26 | CFG80211_CONN_SCAN_AGAIN, | |
27 | CFG80211_CONN_AUTHENTICATE_NEXT, | |
28 | CFG80211_CONN_AUTHENTICATING, | |
29 | CFG80211_CONN_ASSOCIATE_NEXT, | |
30 | CFG80211_CONN_ASSOCIATING, | |
7d930bc3 | 31 | CFG80211_CONN_DEAUTH_ASSOC_FAIL, |
6829c878 | 32 | } state; |
f401a6f7 | 33 | u8 bssid[ETH_ALEN], prev_bssid[ETH_ALEN]; |
6829c878 JB |
34 | u8 *ie; |
35 | size_t ie_len; | |
f401a6f7 | 36 | bool auto_auth, prev_bssid_valid; |
6829c878 JB |
37 | }; |
38 | ||
20925fee | 39 | static bool cfg80211_is_all_idle(void) |
09d989d1 LR |
40 | { |
41 | struct cfg80211_registered_device *rdev; | |
42 | struct wireless_dev *wdev; | |
43 | bool is_all_idle = true; | |
44 | ||
45 | mutex_lock(&cfg80211_mutex); | |
46 | ||
47 | /* | |
48 | * All devices must be idle as otherwise if you are actively | |
49 | * scanning some new beacon hints could be learned and would | |
50 | * count as new regulatory hints. | |
51 | */ | |
52 | list_for_each_entry(rdev, &cfg80211_rdev_list, list) { | |
53 | cfg80211_lock_rdev(rdev); | |
89a54e48 | 54 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
09d989d1 LR |
55 | wdev_lock(wdev); |
56 | if (wdev->sme_state != CFG80211_SME_IDLE) | |
57 | is_all_idle = false; | |
58 | wdev_unlock(wdev); | |
59 | } | |
60 | cfg80211_unlock_rdev(rdev); | |
61 | } | |
62 | ||
63 | mutex_unlock(&cfg80211_mutex); | |
64 | ||
65 | return is_all_idle; | |
66 | } | |
67 | ||
68 | static void disconnect_work(struct work_struct *work) | |
69 | { | |
70 | if (!cfg80211_is_all_idle()) | |
71 | return; | |
72 | ||
73 | regulatory_hint_disconnect(); | |
74 | } | |
75 | ||
76 | static DECLARE_WORK(cfg80211_disconnect_work, disconnect_work); | |
6829c878 JB |
77 | |
78 | static int cfg80211_conn_scan(struct wireless_dev *wdev) | |
79 | { | |
79c97e97 | 80 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
6829c878 JB |
81 | struct cfg80211_scan_request *request; |
82 | int n_channels, err; | |
83 | ||
84 | ASSERT_RTNL(); | |
79c97e97 | 85 | ASSERT_RDEV_LOCK(rdev); |
667503dd | 86 | ASSERT_WDEV_LOCK(wdev); |
6829c878 | 87 | |
79c97e97 | 88 | if (rdev->scan_req) |
6829c878 JB |
89 | return -EBUSY; |
90 | ||
91 | if (wdev->conn->params.channel) { | |
92 | n_channels = 1; | |
93 | } else { | |
94 | enum ieee80211_band band; | |
95 | n_channels = 0; | |
96 | ||
97 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
98 | if (!wdev->wiphy->bands[band]) | |
99 | continue; | |
100 | n_channels += wdev->wiphy->bands[band]->n_channels; | |
101 | } | |
102 | } | |
103 | request = kzalloc(sizeof(*request) + sizeof(request->ssids[0]) + | |
104 | sizeof(request->channels[0]) * n_channels, | |
105 | GFP_KERNEL); | |
106 | if (!request) | |
107 | return -ENOMEM; | |
108 | ||
6829c878 JB |
109 | if (wdev->conn->params.channel) |
110 | request->channels[0] = wdev->conn->params.channel; | |
111 | else { | |
112 | int i = 0, j; | |
113 | enum ieee80211_band band; | |
e3081501 RM |
114 | struct ieee80211_supported_band *bands; |
115 | struct ieee80211_channel *channel; | |
6829c878 JB |
116 | |
117 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { | |
e3081501 RM |
118 | bands = wdev->wiphy->bands[band]; |
119 | if (!bands) | |
6829c878 | 120 | continue; |
e3081501 RM |
121 | for (j = 0; j < bands->n_channels; j++) { |
122 | channel = &bands->channels[j]; | |
123 | if (channel->flags & IEEE80211_CHAN_DISABLED) | |
124 | continue; | |
125 | request->channels[i++] = channel; | |
126 | } | |
127 | request->rates[band] = (1 << bands->n_bitrates) - 1; | |
6829c878 | 128 | } |
e3081501 | 129 | n_channels = i; |
6829c878 JB |
130 | } |
131 | request->n_channels = n_channels; | |
5ba63533 | 132 | request->ssids = (void *)&request->channels[n_channels]; |
6829c878 JB |
133 | request->n_ssids = 1; |
134 | ||
135 | memcpy(request->ssids[0].ssid, wdev->conn->params.ssid, | |
136 | wdev->conn->params.ssid_len); | |
137 | request->ssids[0].ssid_len = wdev->conn->params.ssid_len; | |
138 | ||
fd014284 | 139 | request->wdev = wdev; |
79c97e97 | 140 | request->wiphy = &rdev->wiphy; |
6829c878 | 141 | |
79c97e97 | 142 | rdev->scan_req = request; |
6829c878 | 143 | |
fd014284 | 144 | err = rdev->ops->scan(wdev->wiphy, request); |
6829c878 JB |
145 | if (!err) { |
146 | wdev->conn->state = CFG80211_CONN_SCANNING; | |
fd014284 | 147 | nl80211_send_scan_start(rdev, wdev); |
463d0183 | 148 | dev_hold(wdev->netdev); |
6829c878 | 149 | } else { |
79c97e97 | 150 | rdev->scan_req = NULL; |
6829c878 JB |
151 | kfree(request); |
152 | } | |
153 | return err; | |
154 | } | |
155 | ||
156 | static int cfg80211_conn_do_work(struct wireless_dev *wdev) | |
157 | { | |
79c97e97 | 158 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
19957bb3 | 159 | struct cfg80211_connect_params *params; |
f401a6f7 | 160 | const u8 *prev_bssid = NULL; |
19957bb3 | 161 | int err; |
6829c878 | 162 | |
667503dd JB |
163 | ASSERT_WDEV_LOCK(wdev); |
164 | ||
6829c878 JB |
165 | if (!wdev->conn) |
166 | return 0; | |
167 | ||
19957bb3 JB |
168 | params = &wdev->conn->params; |
169 | ||
6829c878 JB |
170 | switch (wdev->conn->state) { |
171 | case CFG80211_CONN_SCAN_AGAIN: | |
172 | return cfg80211_conn_scan(wdev); | |
173 | case CFG80211_CONN_AUTHENTICATE_NEXT: | |
79c97e97 | 174 | BUG_ON(!rdev->ops->auth); |
19957bb3 | 175 | wdev->conn->state = CFG80211_CONN_AUTHENTICATING; |
79c97e97 | 176 | return __cfg80211_mlme_auth(rdev, wdev->netdev, |
667503dd JB |
177 | params->channel, params->auth_type, |
178 | params->bssid, | |
179 | params->ssid, params->ssid_len, | |
fffd0934 JB |
180 | NULL, 0, |
181 | params->key, params->key_len, | |
95de817b | 182 | params->key_idx); |
6829c878 | 183 | case CFG80211_CONN_ASSOCIATE_NEXT: |
79c97e97 | 184 | BUG_ON(!rdev->ops->assoc); |
19957bb3 | 185 | wdev->conn->state = CFG80211_CONN_ASSOCIATING; |
f401a6f7 JB |
186 | if (wdev->conn->prev_bssid_valid) |
187 | prev_bssid = wdev->conn->prev_bssid; | |
79c97e97 | 188 | err = __cfg80211_mlme_assoc(rdev, wdev->netdev, |
667503dd | 189 | params->channel, params->bssid, |
f401a6f7 | 190 | prev_bssid, |
667503dd JB |
191 | params->ssid, params->ssid_len, |
192 | params->ie, params->ie_len, | |
7e7c8926 BG |
193 | false, ¶ms->crypto, |
194 | params->flags, ¶ms->ht_capa, | |
195 | ¶ms->ht_capa_mask); | |
19957bb3 | 196 | if (err) |
79c97e97 | 197 | __cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid, |
667503dd | 198 | NULL, 0, |
d5cdfacb JM |
199 | WLAN_REASON_DEAUTH_LEAVING, |
200 | false); | |
19957bb3 | 201 | return err; |
7d930bc3 JB |
202 | case CFG80211_CONN_DEAUTH_ASSOC_FAIL: |
203 | __cfg80211_mlme_deauth(rdev, wdev->netdev, params->bssid, | |
204 | NULL, 0, | |
d5cdfacb | 205 | WLAN_REASON_DEAUTH_LEAVING, false); |
7d930bc3 JB |
206 | /* return an error so that we call __cfg80211_connect_result() */ |
207 | return -EINVAL; | |
6829c878 JB |
208 | default: |
209 | return 0; | |
210 | } | |
211 | } | |
212 | ||
213 | void cfg80211_conn_work(struct work_struct *work) | |
214 | { | |
79c97e97 | 215 | struct cfg80211_registered_device *rdev = |
6829c878 JB |
216 | container_of(work, struct cfg80211_registered_device, conn_work); |
217 | struct wireless_dev *wdev; | |
7400f42e | 218 | u8 bssid_buf[ETH_ALEN], *bssid = NULL; |
6829c878 JB |
219 | |
220 | rtnl_lock(); | |
79c97e97 JB |
221 | cfg80211_lock_rdev(rdev); |
222 | mutex_lock(&rdev->devlist_mtx); | |
6829c878 | 223 | |
89a54e48 | 224 | list_for_each_entry(wdev, &rdev->wdev_list, list) { |
667503dd JB |
225 | wdev_lock(wdev); |
226 | if (!netif_running(wdev->netdev)) { | |
227 | wdev_unlock(wdev); | |
6829c878 | 228 | continue; |
667503dd JB |
229 | } |
230 | if (wdev->sme_state != CFG80211_SME_CONNECTING) { | |
231 | wdev_unlock(wdev); | |
6829c878 | 232 | continue; |
667503dd | 233 | } |
7400f42e JB |
234 | if (wdev->conn->params.bssid) { |
235 | memcpy(bssid_buf, wdev->conn->params.bssid, ETH_ALEN); | |
236 | bssid = bssid_buf; | |
237 | } | |
6829c878 | 238 | if (cfg80211_conn_do_work(wdev)) |
667503dd | 239 | __cfg80211_connect_result( |
7d930bc3 | 240 | wdev->netdev, bssid, |
667503dd JB |
241 | NULL, 0, NULL, 0, |
242 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
df7fc0f9 | 243 | false, NULL); |
667503dd | 244 | wdev_unlock(wdev); |
6829c878 JB |
245 | } |
246 | ||
79c97e97 JB |
247 | mutex_unlock(&rdev->devlist_mtx); |
248 | cfg80211_unlock_rdev(rdev); | |
6829c878 JB |
249 | rtnl_unlock(); |
250 | } | |
251 | ||
bbac31f4 | 252 | static struct cfg80211_bss *cfg80211_get_conn_bss(struct wireless_dev *wdev) |
6829c878 | 253 | { |
79c97e97 | 254 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
6829c878 JB |
255 | struct cfg80211_bss *bss; |
256 | u16 capa = WLAN_CAPABILITY_ESS; | |
257 | ||
667503dd JB |
258 | ASSERT_WDEV_LOCK(wdev); |
259 | ||
6829c878 JB |
260 | if (wdev->conn->params.privacy) |
261 | capa |= WLAN_CAPABILITY_PRIVACY; | |
262 | ||
ed9d0102 JM |
263 | bss = cfg80211_get_bss(wdev->wiphy, wdev->conn->params.channel, |
264 | wdev->conn->params.bssid, | |
6829c878 JB |
265 | wdev->conn->params.ssid, |
266 | wdev->conn->params.ssid_len, | |
267 | WLAN_CAPABILITY_ESS | WLAN_CAPABILITY_PRIVACY, | |
268 | capa); | |
6829c878 | 269 | if (!bss) |
bbac31f4 | 270 | return NULL; |
6829c878 JB |
271 | |
272 | memcpy(wdev->conn->bssid, bss->bssid, ETH_ALEN); | |
273 | wdev->conn->params.bssid = wdev->conn->bssid; | |
274 | wdev->conn->params.channel = bss->channel; | |
275 | wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT; | |
79c97e97 | 276 | schedule_work(&rdev->conn_work); |
6829c878 | 277 | |
bbac31f4 | 278 | return bss; |
6829c878 JB |
279 | } |
280 | ||
667503dd | 281 | static void __cfg80211_sme_scan_done(struct net_device *dev) |
6829c878 JB |
282 | { |
283 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
79c97e97 | 284 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
bbac31f4 | 285 | struct cfg80211_bss *bss; |
6829c878 | 286 | |
667503dd JB |
287 | ASSERT_WDEV_LOCK(wdev); |
288 | ||
6829c878 JB |
289 | if (wdev->sme_state != CFG80211_SME_CONNECTING) |
290 | return; | |
291 | ||
d4b1a687 | 292 | if (!wdev->conn) |
6829c878 JB |
293 | return; |
294 | ||
295 | if (wdev->conn->state != CFG80211_CONN_SCANNING && | |
296 | wdev->conn->state != CFG80211_CONN_SCAN_AGAIN) | |
297 | return; | |
298 | ||
bbac31f4 JB |
299 | bss = cfg80211_get_conn_bss(wdev); |
300 | if (bss) { | |
301 | cfg80211_put_bss(bss); | |
302 | } else { | |
6829c878 JB |
303 | /* not found */ |
304 | if (wdev->conn->state == CFG80211_CONN_SCAN_AGAIN) | |
79c97e97 | 305 | schedule_work(&rdev->conn_work); |
6829c878 | 306 | else |
667503dd JB |
307 | __cfg80211_connect_result( |
308 | wdev->netdev, | |
309 | wdev->conn->params.bssid, | |
310 | NULL, 0, NULL, 0, | |
311 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
df7fc0f9 | 312 | false, NULL); |
6829c878 JB |
313 | } |
314 | } | |
315 | ||
667503dd JB |
316 | void cfg80211_sme_scan_done(struct net_device *dev) |
317 | { | |
318 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
319 | ||
59bbb6f7 | 320 | mutex_lock(&wiphy_to_dev(wdev->wiphy)->devlist_mtx); |
667503dd JB |
321 | wdev_lock(wdev); |
322 | __cfg80211_sme_scan_done(dev); | |
323 | wdev_unlock(wdev); | |
59bbb6f7 | 324 | mutex_unlock(&wiphy_to_dev(wdev->wiphy)->devlist_mtx); |
667503dd JB |
325 | } |
326 | ||
327 | void cfg80211_sme_rx_auth(struct net_device *dev, | |
328 | const u8 *buf, size_t len) | |
6829c878 JB |
329 | { |
330 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
331 | struct wiphy *wiphy = wdev->wiphy; | |
332 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
333 | struct ieee80211_mgmt *mgmt = (struct ieee80211_mgmt *)buf; | |
334 | u16 status_code = le16_to_cpu(mgmt->u.auth.status_code); | |
335 | ||
667503dd JB |
336 | ASSERT_WDEV_LOCK(wdev); |
337 | ||
6829c878 JB |
338 | /* should only RX auth frames when connecting */ |
339 | if (wdev->sme_state != CFG80211_SME_CONNECTING) | |
340 | return; | |
341 | ||
342 | if (WARN_ON(!wdev->conn)) | |
343 | return; | |
344 | ||
345 | if (status_code == WLAN_STATUS_NOT_SUPPORTED_AUTH_ALG && | |
346 | wdev->conn->auto_auth && | |
347 | wdev->conn->params.auth_type != NL80211_AUTHTYPE_NETWORK_EAP) { | |
348 | /* select automatically between only open, shared, leap */ | |
349 | switch (wdev->conn->params.auth_type) { | |
350 | case NL80211_AUTHTYPE_OPEN_SYSTEM: | |
fffd0934 JB |
351 | if (wdev->connect_keys) |
352 | wdev->conn->params.auth_type = | |
353 | NL80211_AUTHTYPE_SHARED_KEY; | |
354 | else | |
355 | wdev->conn->params.auth_type = | |
356 | NL80211_AUTHTYPE_NETWORK_EAP; | |
6829c878 JB |
357 | break; |
358 | case NL80211_AUTHTYPE_SHARED_KEY: | |
359 | wdev->conn->params.auth_type = | |
360 | NL80211_AUTHTYPE_NETWORK_EAP; | |
361 | break; | |
362 | default: | |
363 | /* huh? */ | |
364 | wdev->conn->params.auth_type = | |
365 | NL80211_AUTHTYPE_OPEN_SYSTEM; | |
366 | break; | |
367 | } | |
368 | wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT; | |
369 | schedule_work(&rdev->conn_work); | |
19957bb3 | 370 | } else if (status_code != WLAN_STATUS_SUCCESS) { |
4bde0f7d | 371 | __cfg80211_connect_result(dev, mgmt->bssid, NULL, 0, NULL, 0, |
df7fc0f9 | 372 | status_code, false, NULL); |
19957bb3 | 373 | } else if (wdev->sme_state == CFG80211_SME_CONNECTING && |
6829c878 JB |
374 | wdev->conn->state == CFG80211_CONN_AUTHENTICATING) { |
375 | wdev->conn->state = CFG80211_CONN_ASSOCIATE_NEXT; | |
376 | schedule_work(&rdev->conn_work); | |
377 | } | |
378 | } | |
b23aa676 | 379 | |
f401a6f7 JB |
380 | bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev) |
381 | { | |
382 | struct wiphy *wiphy = wdev->wiphy; | |
383 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
384 | ||
385 | if (WARN_ON(!wdev->conn)) | |
386 | return false; | |
387 | ||
388 | if (!wdev->conn->prev_bssid_valid) | |
389 | return false; | |
390 | ||
391 | /* | |
392 | * Some stupid APs don't accept reassoc, so we | |
393 | * need to fall back to trying regular assoc. | |
394 | */ | |
395 | wdev->conn->prev_bssid_valid = false; | |
396 | wdev->conn->state = CFG80211_CONN_ASSOCIATE_NEXT; | |
397 | schedule_work(&rdev->conn_work); | |
398 | ||
399 | return true; | |
400 | } | |
401 | ||
7d930bc3 JB |
402 | void cfg80211_sme_failed_assoc(struct wireless_dev *wdev) |
403 | { | |
404 | struct wiphy *wiphy = wdev->wiphy; | |
405 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wiphy); | |
406 | ||
407 | wdev->conn->state = CFG80211_CONN_DEAUTH_ASSOC_FAIL; | |
408 | schedule_work(&rdev->conn_work); | |
409 | } | |
410 | ||
667503dd JB |
411 | void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, |
412 | const u8 *req_ie, size_t req_ie_len, | |
413 | const u8 *resp_ie, size_t resp_ie_len, | |
df7fc0f9 JB |
414 | u16 status, bool wextev, |
415 | struct cfg80211_bss *bss) | |
b23aa676 SO |
416 | { |
417 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
8b19e6ca | 418 | u8 *country_ie; |
3d23e349 | 419 | #ifdef CONFIG_CFG80211_WEXT |
b23aa676 SO |
420 | union iwreq_data wrqu; |
421 | #endif | |
422 | ||
667503dd JB |
423 | ASSERT_WDEV_LOCK(wdev); |
424 | ||
074ac8df JB |
425 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION && |
426 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)) | |
b23aa676 SO |
427 | return; |
428 | ||
f7969969 | 429 | if (wdev->sme_state != CFG80211_SME_CONNECTING) |
ea416a79 JB |
430 | return; |
431 | ||
432 | nl80211_send_connect_result(wiphy_to_dev(wdev->wiphy), dev, | |
e45cd82a | 433 | bssid, req_ie, req_ie_len, |
ea416a79 JB |
434 | resp_ie, resp_ie_len, |
435 | status, GFP_KERNEL); | |
e45cd82a | 436 | |
3d23e349 | 437 | #ifdef CONFIG_CFG80211_WEXT |
e45cd82a JB |
438 | if (wextev) { |
439 | if (req_ie && status == WLAN_STATUS_SUCCESS) { | |
440 | memset(&wrqu, 0, sizeof(wrqu)); | |
441 | wrqu.data.length = req_ie_len; | |
3409ff77 | 442 | wireless_send_event(dev, IWEVASSOCREQIE, &wrqu, req_ie); |
e45cd82a JB |
443 | } |
444 | ||
445 | if (resp_ie && status == WLAN_STATUS_SUCCESS) { | |
446 | memset(&wrqu, 0, sizeof(wrqu)); | |
447 | wrqu.data.length = resp_ie_len; | |
448 | wireless_send_event(dev, IWEVASSOCRESPIE, &wrqu, resp_ie); | |
449 | } | |
450 | ||
451 | memset(&wrqu, 0, sizeof(wrqu)); | |
452 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; | |
f401a6f7 | 453 | if (bssid && status == WLAN_STATUS_SUCCESS) { |
e45cd82a | 454 | memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN); |
f401a6f7 JB |
455 | memcpy(wdev->wext.prev_bssid, bssid, ETH_ALEN); |
456 | wdev->wext.prev_bssid_valid = true; | |
457 | } | |
e45cd82a JB |
458 | wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL); |
459 | } | |
460 | #endif | |
461 | ||
df7fc0f9 JB |
462 | if (wdev->current_bss) { |
463 | cfg80211_unhold_bss(wdev->current_bss); | |
464 | cfg80211_put_bss(&wdev->current_bss->pub); | |
465 | wdev->current_bss = NULL; | |
466 | } | |
467 | ||
19957bb3 JB |
468 | if (wdev->conn) |
469 | wdev->conn->state = CFG80211_CONN_IDLE; | |
470 | ||
fffd0934 | 471 | if (status != WLAN_STATUS_SUCCESS) { |
b23aa676 | 472 | wdev->sme_state = CFG80211_SME_IDLE; |
415ad1ef DK |
473 | if (wdev->conn) |
474 | kfree(wdev->conn->ie); | |
19957bb3 JB |
475 | kfree(wdev->conn); |
476 | wdev->conn = NULL; | |
fffd0934 JB |
477 | kfree(wdev->connect_keys); |
478 | wdev->connect_keys = NULL; | |
8dadadb7 | 479 | wdev->ssid_len = 0; |
95de817b | 480 | cfg80211_put_bss(bss); |
fffd0934 | 481 | return; |
b23aa676 | 482 | } |
fffd0934 | 483 | |
df7fc0f9 | 484 | if (!bss) |
ed9d0102 JM |
485 | bss = cfg80211_get_bss(wdev->wiphy, |
486 | wdev->conn ? wdev->conn->params.channel : | |
487 | NULL, | |
488 | bssid, | |
df7fc0f9 JB |
489 | wdev->ssid, wdev->ssid_len, |
490 | WLAN_CAPABILITY_ESS, | |
491 | WLAN_CAPABILITY_ESS); | |
fffd0934 JB |
492 | |
493 | if (WARN_ON(!bss)) | |
494 | return; | |
495 | ||
496 | cfg80211_hold_bss(bss_from_pub(bss)); | |
497 | wdev->current_bss = bss_from_pub(bss); | |
498 | ||
fffd0934 JB |
499 | wdev->sme_state = CFG80211_SME_CONNECTED; |
500 | cfg80211_upload_connect_keys(wdev); | |
8b19e6ca LR |
501 | |
502 | country_ie = (u8 *) ieee80211_bss_get_ie(bss, WLAN_EID_COUNTRY); | |
503 | ||
504 | if (!country_ie) | |
505 | return; | |
506 | ||
507 | /* | |
508 | * ieee80211_bss_get_ie() ensures we can access: | |
509 | * - country_ie + 2, the start of the country ie data, and | |
510 | * - and country_ie[1] which is the IE length | |
511 | */ | |
512 | regulatory_hint_11d(wdev->wiphy, | |
84920e3e | 513 | bss->channel->band, |
8b19e6ca LR |
514 | country_ie + 2, |
515 | country_ie[1]); | |
b23aa676 | 516 | } |
f2129354 JB |
517 | |
518 | void cfg80211_connect_result(struct net_device *dev, const u8 *bssid, | |
519 | const u8 *req_ie, size_t req_ie_len, | |
520 | const u8 *resp_ie, size_t resp_ie_len, | |
521 | u16 status, gfp_t gfp) | |
522 | { | |
667503dd JB |
523 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
524 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
525 | struct cfg80211_event *ev; | |
526 | unsigned long flags; | |
527 | ||
f7969969 JB |
528 | CFG80211_DEV_WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTING); |
529 | ||
667503dd JB |
530 | ev = kzalloc(sizeof(*ev) + req_ie_len + resp_ie_len, gfp); |
531 | if (!ev) | |
532 | return; | |
533 | ||
534 | ev->type = EVENT_CONNECT_RESULT; | |
16a832e7 ZY |
535 | if (bssid) |
536 | memcpy(ev->cr.bssid, bssid, ETH_ALEN); | |
7834704b NS |
537 | if (req_ie_len) { |
538 | ev->cr.req_ie = ((u8 *)ev) + sizeof(*ev); | |
539 | ev->cr.req_ie_len = req_ie_len; | |
540 | memcpy((void *)ev->cr.req_ie, req_ie, req_ie_len); | |
541 | } | |
542 | if (resp_ie_len) { | |
543 | ev->cr.resp_ie = ((u8 *)ev) + sizeof(*ev) + req_ie_len; | |
544 | ev->cr.resp_ie_len = resp_ie_len; | |
545 | memcpy((void *)ev->cr.resp_ie, resp_ie, resp_ie_len); | |
546 | } | |
667503dd JB |
547 | ev->cr.status = status; |
548 | ||
549 | spin_lock_irqsave(&wdev->event_lock, flags); | |
550 | list_add_tail(&ev->list, &wdev->event_list); | |
551 | spin_unlock_irqrestore(&wdev->event_lock, flags); | |
e60d7443 | 552 | queue_work(cfg80211_wq, &rdev->event_work); |
f2129354 | 553 | } |
b23aa676 SO |
554 | EXPORT_SYMBOL(cfg80211_connect_result); |
555 | ||
ed9d0102 | 556 | void __cfg80211_roamed(struct wireless_dev *wdev, |
adbde344 | 557 | struct cfg80211_bss *bss, |
667503dd JB |
558 | const u8 *req_ie, size_t req_ie_len, |
559 | const u8 *resp_ie, size_t resp_ie_len) | |
b23aa676 | 560 | { |
3d23e349 | 561 | #ifdef CONFIG_CFG80211_WEXT |
b23aa676 SO |
562 | union iwreq_data wrqu; |
563 | #endif | |
667503dd JB |
564 | ASSERT_WDEV_LOCK(wdev); |
565 | ||
074ac8df JB |
566 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION && |
567 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)) | |
adbde344 | 568 | goto out; |
b23aa676 | 569 | |
f7969969 | 570 | if (wdev->sme_state != CFG80211_SME_CONNECTED) |
adbde344 | 571 | goto out; |
b23aa676 SO |
572 | |
573 | /* internal error -- how did we get to CONNECTED w/o BSS? */ | |
574 | if (WARN_ON(!wdev->current_bss)) { | |
adbde344 | 575 | goto out; |
b23aa676 SO |
576 | } |
577 | ||
578 | cfg80211_unhold_bss(wdev->current_bss); | |
19957bb3 | 579 | cfg80211_put_bss(&wdev->current_bss->pub); |
b23aa676 SO |
580 | wdev->current_bss = NULL; |
581 | ||
19957bb3 JB |
582 | cfg80211_hold_bss(bss_from_pub(bss)); |
583 | wdev->current_bss = bss_from_pub(bss); | |
b23aa676 | 584 | |
adbde344 | 585 | nl80211_send_roamed(wiphy_to_dev(wdev->wiphy), wdev->netdev, bss->bssid, |
667503dd JB |
586 | req_ie, req_ie_len, resp_ie, resp_ie_len, |
587 | GFP_KERNEL); | |
b23aa676 | 588 | |
3d23e349 | 589 | #ifdef CONFIG_CFG80211_WEXT |
b23aa676 SO |
590 | if (req_ie) { |
591 | memset(&wrqu, 0, sizeof(wrqu)); | |
592 | wrqu.data.length = req_ie_len; | |
3409ff77 | 593 | wireless_send_event(wdev->netdev, IWEVASSOCREQIE, |
667503dd | 594 | &wrqu, req_ie); |
b23aa676 SO |
595 | } |
596 | ||
597 | if (resp_ie) { | |
598 | memset(&wrqu, 0, sizeof(wrqu)); | |
599 | wrqu.data.length = resp_ie_len; | |
667503dd JB |
600 | wireless_send_event(wdev->netdev, IWEVASSOCRESPIE, |
601 | &wrqu, resp_ie); | |
b23aa676 SO |
602 | } |
603 | ||
604 | memset(&wrqu, 0, sizeof(wrqu)); | |
605 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; | |
adbde344 VT |
606 | memcpy(wrqu.ap_addr.sa_data, bss->bssid, ETH_ALEN); |
607 | memcpy(wdev->wext.prev_bssid, bss->bssid, ETH_ALEN); | |
f401a6f7 | 608 | wdev->wext.prev_bssid_valid = true; |
667503dd | 609 | wireless_send_event(wdev->netdev, SIOCGIWAP, &wrqu, NULL); |
b23aa676 | 610 | #endif |
adbde344 VT |
611 | |
612 | return; | |
613 | out: | |
614 | cfg80211_put_bss(bss); | |
b23aa676 | 615 | } |
667503dd | 616 | |
ed9d0102 JM |
617 | void cfg80211_roamed(struct net_device *dev, |
618 | struct ieee80211_channel *channel, | |
619 | const u8 *bssid, | |
667503dd JB |
620 | const u8 *req_ie, size_t req_ie_len, |
621 | const u8 *resp_ie, size_t resp_ie_len, gfp_t gfp) | |
adbde344 VT |
622 | { |
623 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
624 | struct cfg80211_bss *bss; | |
625 | ||
626 | CFG80211_DEV_WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTED); | |
627 | ||
628 | bss = cfg80211_get_bss(wdev->wiphy, channel, bssid, wdev->ssid, | |
629 | wdev->ssid_len, WLAN_CAPABILITY_ESS, | |
630 | WLAN_CAPABILITY_ESS); | |
631 | if (WARN_ON(!bss)) | |
632 | return; | |
633 | ||
634 | cfg80211_roamed_bss(dev, bss, req_ie, req_ie_len, resp_ie, | |
635 | resp_ie_len, gfp); | |
636 | } | |
637 | EXPORT_SYMBOL(cfg80211_roamed); | |
638 | ||
639 | void cfg80211_roamed_bss(struct net_device *dev, | |
640 | struct cfg80211_bss *bss, const u8 *req_ie, | |
641 | size_t req_ie_len, const u8 *resp_ie, | |
642 | size_t resp_ie_len, gfp_t gfp) | |
667503dd JB |
643 | { |
644 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
645 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
646 | struct cfg80211_event *ev; | |
647 | unsigned long flags; | |
648 | ||
f7969969 JB |
649 | CFG80211_DEV_WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTED); |
650 | ||
adbde344 VT |
651 | if (WARN_ON(!bss)) |
652 | return; | |
653 | ||
667503dd | 654 | ev = kzalloc(sizeof(*ev) + req_ie_len + resp_ie_len, gfp); |
adbde344 VT |
655 | if (!ev) { |
656 | cfg80211_put_bss(bss); | |
667503dd | 657 | return; |
adbde344 | 658 | } |
667503dd JB |
659 | |
660 | ev->type = EVENT_ROAMED; | |
667503dd JB |
661 | ev->rm.req_ie = ((u8 *)ev) + sizeof(*ev); |
662 | ev->rm.req_ie_len = req_ie_len; | |
663 | memcpy((void *)ev->rm.req_ie, req_ie, req_ie_len); | |
664 | ev->rm.resp_ie = ((u8 *)ev) + sizeof(*ev) + req_ie_len; | |
665 | ev->rm.resp_ie_len = resp_ie_len; | |
666 | memcpy((void *)ev->rm.resp_ie, resp_ie, resp_ie_len); | |
adbde344 | 667 | ev->rm.bss = bss; |
667503dd JB |
668 | |
669 | spin_lock_irqsave(&wdev->event_lock, flags); | |
670 | list_add_tail(&ev->list, &wdev->event_list); | |
671 | spin_unlock_irqrestore(&wdev->event_lock, flags); | |
e60d7443 | 672 | queue_work(cfg80211_wq, &rdev->event_work); |
667503dd | 673 | } |
adbde344 | 674 | EXPORT_SYMBOL(cfg80211_roamed_bss); |
b23aa676 | 675 | |
667503dd | 676 | void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, |
6829c878 | 677 | size_t ie_len, u16 reason, bool from_ap) |
b23aa676 SO |
678 | { |
679 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
fffd0934 JB |
680 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
681 | int i; | |
3d23e349 | 682 | #ifdef CONFIG_CFG80211_WEXT |
b23aa676 SO |
683 | union iwreq_data wrqu; |
684 | #endif | |
685 | ||
667503dd JB |
686 | ASSERT_WDEV_LOCK(wdev); |
687 | ||
074ac8df JB |
688 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_STATION && |
689 | wdev->iftype != NL80211_IFTYPE_P2P_CLIENT)) | |
b23aa676 SO |
690 | return; |
691 | ||
f7969969 | 692 | if (wdev->sme_state != CFG80211_SME_CONNECTED) |
b23aa676 SO |
693 | return; |
694 | ||
695 | if (wdev->current_bss) { | |
696 | cfg80211_unhold_bss(wdev->current_bss); | |
19957bb3 | 697 | cfg80211_put_bss(&wdev->current_bss->pub); |
b23aa676 SO |
698 | } |
699 | ||
700 | wdev->current_bss = NULL; | |
701 | wdev->sme_state = CFG80211_SME_IDLE; | |
8dadadb7 | 702 | wdev->ssid_len = 0; |
b23aa676 | 703 | |
6829c878 JB |
704 | if (wdev->conn) { |
705 | kfree(wdev->conn->ie); | |
706 | wdev->conn->ie = NULL; | |
19957bb3 JB |
707 | kfree(wdev->conn); |
708 | wdev->conn = NULL; | |
6829c878 JB |
709 | } |
710 | ||
fffd0934 JB |
711 | nl80211_send_disconnected(rdev, dev, reason, ie, ie_len, from_ap); |
712 | ||
713 | /* | |
714 | * Delete all the keys ... pairwise keys can't really | |
715 | * exist any more anyway, but default keys might. | |
716 | */ | |
717 | if (rdev->ops->del_key) | |
718 | for (i = 0; i < 6; i++) | |
e31b8213 | 719 | rdev->ops->del_key(wdev->wiphy, dev, i, false, NULL); |
b23aa676 | 720 | |
3d23e349 | 721 | #ifdef CONFIG_CFG80211_WEXT |
b23aa676 SO |
722 | memset(&wrqu, 0, sizeof(wrqu)); |
723 | wrqu.ap_addr.sa_family = ARPHRD_ETHER; | |
724 | wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL); | |
5f612033 | 725 | wdev->wext.connect.ssid_len = 0; |
b23aa676 | 726 | #endif |
09d989d1 LR |
727 | |
728 | schedule_work(&cfg80211_disconnect_work); | |
b23aa676 SO |
729 | } |
730 | ||
731 | void cfg80211_disconnected(struct net_device *dev, u16 reason, | |
732 | u8 *ie, size_t ie_len, gfp_t gfp) | |
733 | { | |
667503dd JB |
734 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
735 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
736 | struct cfg80211_event *ev; | |
737 | unsigned long flags; | |
738 | ||
f7969969 JB |
739 | CFG80211_DEV_WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTED); |
740 | ||
667503dd JB |
741 | ev = kzalloc(sizeof(*ev) + ie_len, gfp); |
742 | if (!ev) | |
743 | return; | |
744 | ||
745 | ev->type = EVENT_DISCONNECTED; | |
746 | ev->dc.ie = ((u8 *)ev) + sizeof(*ev); | |
747 | ev->dc.ie_len = ie_len; | |
748 | memcpy((void *)ev->dc.ie, ie, ie_len); | |
749 | ev->dc.reason = reason; | |
750 | ||
751 | spin_lock_irqsave(&wdev->event_lock, flags); | |
752 | list_add_tail(&ev->list, &wdev->event_list); | |
753 | spin_unlock_irqrestore(&wdev->event_lock, flags); | |
e60d7443 | 754 | queue_work(cfg80211_wq, &rdev->event_work); |
b23aa676 SO |
755 | } |
756 | EXPORT_SYMBOL(cfg80211_disconnected); | |
757 | ||
667503dd JB |
758 | int __cfg80211_connect(struct cfg80211_registered_device *rdev, |
759 | struct net_device *dev, | |
fffd0934 | 760 | struct cfg80211_connect_params *connect, |
f401a6f7 JB |
761 | struct cfg80211_cached_keys *connkeys, |
762 | const u8 *prev_bssid) | |
b23aa676 | 763 | { |
b23aa676 | 764 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
bbac31f4 | 765 | struct cfg80211_bss *bss = NULL; |
667503dd JB |
766 | int err; |
767 | ||
768 | ASSERT_WDEV_LOCK(wdev); | |
b23aa676 SO |
769 | |
770 | if (wdev->sme_state != CFG80211_SME_IDLE) | |
771 | return -EALREADY; | |
772 | ||
fffd0934 JB |
773 | if (WARN_ON(wdev->connect_keys)) { |
774 | kfree(wdev->connect_keys); | |
775 | wdev->connect_keys = NULL; | |
776 | } | |
777 | ||
7e7c8926 BG |
778 | cfg80211_oper_and_ht_capa(&connect->ht_capa_mask, |
779 | rdev->wiphy.ht_capa_mod_mask); | |
780 | ||
fffd0934 JB |
781 | if (connkeys && connkeys->def >= 0) { |
782 | int idx; | |
bcba8eae | 783 | u32 cipher; |
fffd0934 JB |
784 | |
785 | idx = connkeys->def; | |
bcba8eae | 786 | cipher = connkeys->params[idx].cipher; |
fffd0934 | 787 | /* If given a WEP key we may need it for shared key auth */ |
bcba8eae SO |
788 | if (cipher == WLAN_CIPHER_SUITE_WEP40 || |
789 | cipher == WLAN_CIPHER_SUITE_WEP104) { | |
fffd0934 JB |
790 | connect->key_idx = idx; |
791 | connect->key = connkeys->params[idx].key; | |
792 | connect->key_len = connkeys->params[idx].key_len; | |
bcba8eae SO |
793 | |
794 | /* | |
795 | * If ciphers are not set (e.g. when going through | |
796 | * iwconfig), we have to set them appropriately here. | |
797 | */ | |
798 | if (connect->crypto.cipher_group == 0) | |
799 | connect->crypto.cipher_group = cipher; | |
800 | ||
801 | if (connect->crypto.n_ciphers_pairwise == 0) { | |
802 | connect->crypto.n_ciphers_pairwise = 1; | |
803 | connect->crypto.ciphers_pairwise[0] = cipher; | |
804 | } | |
fffd0934 JB |
805 | } |
806 | } | |
807 | ||
b23aa676 | 808 | if (!rdev->ops->connect) { |
6829c878 JB |
809 | if (!rdev->ops->auth || !rdev->ops->assoc) |
810 | return -EOPNOTSUPP; | |
811 | ||
19957bb3 JB |
812 | if (WARN_ON(wdev->conn)) |
813 | return -EINPROGRESS; | |
814 | ||
815 | wdev->conn = kzalloc(sizeof(*wdev->conn), GFP_KERNEL); | |
816 | if (!wdev->conn) | |
817 | return -ENOMEM; | |
6829c878 JB |
818 | |
819 | /* | |
820 | * Copy all parameters, and treat explicitly IEs, BSSID, SSID. | |
821 | */ | |
822 | memcpy(&wdev->conn->params, connect, sizeof(*connect)); | |
823 | if (connect->bssid) { | |
824 | wdev->conn->params.bssid = wdev->conn->bssid; | |
825 | memcpy(wdev->conn->bssid, connect->bssid, ETH_ALEN); | |
826 | } | |
827 | ||
828 | if (connect->ie) { | |
829 | wdev->conn->ie = kmemdup(connect->ie, connect->ie_len, | |
830 | GFP_KERNEL); | |
831 | wdev->conn->params.ie = wdev->conn->ie; | |
19957bb3 JB |
832 | if (!wdev->conn->ie) { |
833 | kfree(wdev->conn); | |
834 | wdev->conn = NULL; | |
6829c878 | 835 | return -ENOMEM; |
19957bb3 | 836 | } |
6829c878 JB |
837 | } |
838 | ||
839 | if (connect->auth_type == NL80211_AUTHTYPE_AUTOMATIC) { | |
840 | wdev->conn->auto_auth = true; | |
841 | /* start with open system ... should mostly work */ | |
842 | wdev->conn->params.auth_type = | |
843 | NL80211_AUTHTYPE_OPEN_SYSTEM; | |
844 | } else { | |
845 | wdev->conn->auto_auth = false; | |
846 | } | |
847 | ||
848 | memcpy(wdev->ssid, connect->ssid, connect->ssid_len); | |
849 | wdev->ssid_len = connect->ssid_len; | |
850 | wdev->conn->params.ssid = wdev->ssid; | |
851 | wdev->conn->params.ssid_len = connect->ssid_len; | |
852 | ||
8bb89485 JB |
853 | /* see if we have the bss already */ |
854 | bss = cfg80211_get_conn_bss(wdev); | |
6829c878 JB |
855 | |
856 | wdev->sme_state = CFG80211_SME_CONNECTING; | |
fffd0934 | 857 | wdev->connect_keys = connkeys; |
6829c878 | 858 | |
f401a6f7 JB |
859 | if (prev_bssid) { |
860 | memcpy(wdev->conn->prev_bssid, prev_bssid, ETH_ALEN); | |
861 | wdev->conn->prev_bssid_valid = true; | |
862 | } | |
863 | ||
bbac31f4 JB |
864 | /* we're good if we have a matching bss struct */ |
865 | if (bss) { | |
6829c878 JB |
866 | wdev->conn->state = CFG80211_CONN_AUTHENTICATE_NEXT; |
867 | err = cfg80211_conn_do_work(wdev); | |
bbac31f4 | 868 | cfg80211_put_bss(bss); |
6829c878 JB |
869 | } else { |
870 | /* otherwise we'll need to scan for the AP first */ | |
871 | err = cfg80211_conn_scan(wdev); | |
872 | /* | |
873 | * If we can't scan right now, then we need to scan again | |
874 | * after the current scan finished, since the parameters | |
875 | * changed (unless we find a good AP anyway). | |
876 | */ | |
877 | if (err == -EBUSY) { | |
878 | err = 0; | |
879 | wdev->conn->state = CFG80211_CONN_SCAN_AGAIN; | |
880 | } | |
881 | } | |
19957bb3 | 882 | if (err) { |
415ad1ef | 883 | kfree(wdev->conn->ie); |
19957bb3 JB |
884 | kfree(wdev->conn); |
885 | wdev->conn = NULL; | |
6829c878 | 886 | wdev->sme_state = CFG80211_SME_IDLE; |
fffd0934 | 887 | wdev->connect_keys = NULL; |
8dadadb7 | 888 | wdev->ssid_len = 0; |
19957bb3 | 889 | } |
6829c878 JB |
890 | |
891 | return err; | |
b23aa676 SO |
892 | } else { |
893 | wdev->sme_state = CFG80211_SME_CONNECTING; | |
fffd0934 | 894 | wdev->connect_keys = connkeys; |
b23aa676 SO |
895 | err = rdev->ops->connect(&rdev->wiphy, dev, connect); |
896 | if (err) { | |
fffd0934 | 897 | wdev->connect_keys = NULL; |
b23aa676 SO |
898 | wdev->sme_state = CFG80211_SME_IDLE; |
899 | return err; | |
900 | } | |
b23aa676 | 901 | |
6829c878 JB |
902 | memcpy(wdev->ssid, connect->ssid, connect->ssid_len); |
903 | wdev->ssid_len = connect->ssid_len; | |
b23aa676 | 904 | |
6829c878 JB |
905 | return 0; |
906 | } | |
b23aa676 SO |
907 | } |
908 | ||
667503dd JB |
909 | int cfg80211_connect(struct cfg80211_registered_device *rdev, |
910 | struct net_device *dev, | |
fffd0934 JB |
911 | struct cfg80211_connect_params *connect, |
912 | struct cfg80211_cached_keys *connkeys) | |
667503dd JB |
913 | { |
914 | int err; | |
915 | ||
59bbb6f7 | 916 | mutex_lock(&rdev->devlist_mtx); |
667503dd | 917 | wdev_lock(dev->ieee80211_ptr); |
f401a6f7 | 918 | err = __cfg80211_connect(rdev, dev, connect, connkeys, NULL); |
667503dd | 919 | wdev_unlock(dev->ieee80211_ptr); |
59bbb6f7 | 920 | mutex_unlock(&rdev->devlist_mtx); |
667503dd JB |
921 | |
922 | return err; | |
923 | } | |
924 | ||
925 | int __cfg80211_disconnect(struct cfg80211_registered_device *rdev, | |
926 | struct net_device *dev, u16 reason, bool wextev) | |
b23aa676 | 927 | { |
6829c878 | 928 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
b23aa676 SO |
929 | int err; |
930 | ||
667503dd JB |
931 | ASSERT_WDEV_LOCK(wdev); |
932 | ||
6829c878 JB |
933 | if (wdev->sme_state == CFG80211_SME_IDLE) |
934 | return -EINVAL; | |
935 | ||
fffd0934 JB |
936 | kfree(wdev->connect_keys); |
937 | wdev->connect_keys = NULL; | |
938 | ||
b23aa676 | 939 | if (!rdev->ops->disconnect) { |
19957bb3 JB |
940 | if (!rdev->ops->deauth) |
941 | return -EOPNOTSUPP; | |
6829c878 | 942 | |
19957bb3 JB |
943 | /* was it connected by userspace SME? */ |
944 | if (!wdev->conn) { | |
945 | cfg80211_mlme_down(rdev, dev); | |
946 | return 0; | |
947 | } | |
6829c878 JB |
948 | |
949 | if (wdev->sme_state == CFG80211_SME_CONNECTING && | |
950 | (wdev->conn->state == CFG80211_CONN_SCANNING || | |
951 | wdev->conn->state == CFG80211_CONN_SCAN_AGAIN)) { | |
952 | wdev->sme_state = CFG80211_SME_IDLE; | |
415ad1ef | 953 | kfree(wdev->conn->ie); |
19957bb3 JB |
954 | kfree(wdev->conn); |
955 | wdev->conn = NULL; | |
8dadadb7 | 956 | wdev->ssid_len = 0; |
6829c878 JB |
957 | return 0; |
958 | } | |
959 | ||
6829c878 | 960 | /* wdev->conn->params.bssid must be set if > SCANNING */ |
667503dd JB |
961 | err = __cfg80211_mlme_deauth(rdev, dev, |
962 | wdev->conn->params.bssid, | |
d5cdfacb | 963 | NULL, 0, reason, false); |
6829c878 JB |
964 | if (err) |
965 | return err; | |
b23aa676 SO |
966 | } else { |
967 | err = rdev->ops->disconnect(&rdev->wiphy, dev, reason); | |
968 | if (err) | |
969 | return err; | |
970 | } | |
971 | ||
6829c878 | 972 | if (wdev->sme_state == CFG80211_SME_CONNECTED) |
667503dd | 973 | __cfg80211_disconnected(dev, NULL, 0, 0, false); |
6829c878 | 974 | else if (wdev->sme_state == CFG80211_SME_CONNECTING) |
f2129354 JB |
975 | __cfg80211_connect_result(dev, NULL, NULL, 0, NULL, 0, |
976 | WLAN_STATUS_UNSPECIFIED_FAILURE, | |
df7fc0f9 | 977 | wextev, NULL); |
b23aa676 SO |
978 | |
979 | return 0; | |
980 | } | |
19957bb3 | 981 | |
667503dd JB |
982 | int cfg80211_disconnect(struct cfg80211_registered_device *rdev, |
983 | struct net_device *dev, | |
984 | u16 reason, bool wextev) | |
985 | { | |
986 | int err; | |
987 | ||
988 | wdev_lock(dev->ieee80211_ptr); | |
989 | err = __cfg80211_disconnect(rdev, dev, reason, wextev); | |
990 | wdev_unlock(dev->ieee80211_ptr); | |
991 | ||
992 | return err; | |
993 | } | |
994 | ||
95de817b JB |
995 | void cfg80211_sme_disassoc(struct net_device *dev, |
996 | struct cfg80211_internal_bss *bss) | |
19957bb3 JB |
997 | { |
998 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
999 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
1000 | u8 bssid[ETH_ALEN]; | |
1001 | ||
667503dd JB |
1002 | ASSERT_WDEV_LOCK(wdev); |
1003 | ||
19957bb3 JB |
1004 | if (!wdev->conn) |
1005 | return; | |
1006 | ||
1007 | if (wdev->conn->state == CFG80211_CONN_IDLE) | |
1008 | return; | |
1009 | ||
1010 | /* | |
1011 | * Ok, so the association was made by this SME -- we don't | |
1012 | * want it any more so deauthenticate too. | |
1013 | */ | |
1014 | ||
95de817b | 1015 | memcpy(bssid, bss->pub.bssid, ETH_ALEN); |
19957bb3 | 1016 | |
95de817b JB |
1017 | __cfg80211_mlme_deauth(rdev, dev, bssid, NULL, 0, |
1018 | WLAN_REASON_DEAUTH_LEAVING, false); | |
19957bb3 | 1019 | } |