Commit | Line | Data |
---|---|---|
04a773ad JB |
1 | /* |
2 | * Some IBSS support code for cfg80211. | |
3 | * | |
4 | * Copyright 2009 Johannes Berg <johannes@sipsolutions.net> | |
5 | */ | |
6 | ||
7 | #include <linux/etherdevice.h> | |
8 | #include <linux/if_arp.h> | |
5a0e3ad6 | 9 | #include <linux/slab.h> |
bc3b2d7f | 10 | #include <linux/export.h> |
04a773ad | 11 | #include <net/cfg80211.h> |
0e82ffe3 | 12 | #include "wext-compat.h" |
04a773ad JB |
13 | #include "nl80211.h" |
14 | ||
15 | ||
667503dd | 16 | void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid) |
04a773ad JB |
17 | { |
18 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
19 | struct cfg80211_bss *bss; | |
3d23e349 | 20 | #ifdef CONFIG_CFG80211_WEXT |
04a773ad JB |
21 | union iwreq_data wrqu; |
22 | #endif | |
23 | ||
24 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) | |
25 | return; | |
26 | ||
f7969969 | 27 | if (!wdev->ssid_len) |
04a773ad JB |
28 | return; |
29 | ||
04a773ad JB |
30 | bss = cfg80211_get_bss(wdev->wiphy, NULL, bssid, |
31 | wdev->ssid, wdev->ssid_len, | |
32 | WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS); | |
33 | ||
34 | if (WARN_ON(!bss)) | |
35 | return; | |
36 | ||
37 | if (wdev->current_bss) { | |
38 | cfg80211_unhold_bss(wdev->current_bss); | |
19957bb3 | 39 | cfg80211_put_bss(&wdev->current_bss->pub); |
04a773ad JB |
40 | } |
41 | ||
19957bb3 JB |
42 | cfg80211_hold_bss(bss_from_pub(bss)); |
43 | wdev->current_bss = bss_from_pub(bss); | |
04a773ad | 44 | |
28f33366 | 45 | wdev->sme_state = CFG80211_SME_CONNECTED; |
fffd0934 JB |
46 | cfg80211_upload_connect_keys(wdev); |
47 | ||
667503dd JB |
48 | nl80211_send_ibss_bssid(wiphy_to_dev(wdev->wiphy), dev, bssid, |
49 | GFP_KERNEL); | |
3d23e349 | 50 | #ifdef CONFIG_CFG80211_WEXT |
04a773ad JB |
51 | memset(&wrqu, 0, sizeof(wrqu)); |
52 | memcpy(wrqu.ap_addr.sa_data, bssid, ETH_ALEN); | |
53 | wireless_send_event(dev, SIOCGIWAP, &wrqu, NULL); | |
54 | #endif | |
55 | } | |
667503dd JB |
56 | |
57 | void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, gfp_t gfp) | |
58 | { | |
59 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
60 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
61 | struct cfg80211_event *ev; | |
62 | unsigned long flags; | |
63 | ||
28f33366 | 64 | CFG80211_DEV_WARN_ON(wdev->sme_state != CFG80211_SME_CONNECTING); |
f7969969 | 65 | |
667503dd JB |
66 | ev = kzalloc(sizeof(*ev), gfp); |
67 | if (!ev) | |
68 | return; | |
69 | ||
70 | ev->type = EVENT_IBSS_JOINED; | |
71 | memcpy(ev->cr.bssid, bssid, ETH_ALEN); | |
72 | ||
73 | spin_lock_irqsave(&wdev->event_lock, flags); | |
74 | list_add_tail(&ev->list, &wdev->event_list); | |
75 | spin_unlock_irqrestore(&wdev->event_lock, flags); | |
e60d7443 | 76 | queue_work(cfg80211_wq, &rdev->event_work); |
667503dd | 77 | } |
04a773ad JB |
78 | EXPORT_SYMBOL(cfg80211_ibss_joined); |
79 | ||
667503dd JB |
80 | int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, |
81 | struct net_device *dev, | |
fffd0934 JB |
82 | struct cfg80211_ibss_params *params, |
83 | struct cfg80211_cached_keys *connkeys) | |
04a773ad JB |
84 | { |
85 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
86 | int err; | |
87 | ||
667503dd JB |
88 | ASSERT_WDEV_LOCK(wdev); |
89 | ||
04a773ad JB |
90 | if (wdev->ssid_len) |
91 | return -EALREADY; | |
92 | ||
93b05238 JB |
93 | if (!params->basic_rates) { |
94 | /* | |
95 | * If no rates were explicitly configured, | |
96 | * use the mandatory rate set for 11b or | |
97 | * 11a for maximum compatibility. | |
98 | */ | |
99 | struct ieee80211_supported_band *sband = | |
100 | rdev->wiphy.bands[params->channel->band]; | |
101 | int j; | |
102 | u32 flag = params->channel->band == IEEE80211_BAND_5GHZ ? | |
103 | IEEE80211_RATE_MANDATORY_A : | |
104 | IEEE80211_RATE_MANDATORY_B; | |
105 | ||
106 | for (j = 0; j < sband->n_bitrates; j++) { | |
107 | if (sband->bitrates[j].flags & flag) | |
108 | params->basic_rates |= BIT(j); | |
109 | } | |
110 | } | |
111 | ||
fffd0934 JB |
112 | if (WARN_ON(wdev->connect_keys)) |
113 | kfree(wdev->connect_keys); | |
114 | wdev->connect_keys = connkeys; | |
115 | ||
c30a3d38 | 116 | wdev->ibss_fixed = params->channel_fixed; |
3d23e349 | 117 | #ifdef CONFIG_CFG80211_WEXT |
cbe8fa9c | 118 | wdev->wext.ibss.channel = params->channel; |
04a773ad | 119 | #endif |
28f33366 | 120 | wdev->sme_state = CFG80211_SME_CONNECTING; |
e4e32459 MK |
121 | |
122 | err = cfg80211_can_use_chan(rdev, wdev, params->channel, | |
123 | params->channel_fixed | |
124 | ? CHAN_MODE_SHARED | |
125 | : CHAN_MODE_EXCLUSIVE); | |
126 | if (err) { | |
127 | wdev->connect_keys = NULL; | |
128 | return err; | |
129 | } | |
130 | ||
04a773ad | 131 | err = rdev->ops->join_ibss(&rdev->wiphy, dev, params); |
fffd0934 JB |
132 | if (err) { |
133 | wdev->connect_keys = NULL; | |
28f33366 | 134 | wdev->sme_state = CFG80211_SME_IDLE; |
04a773ad | 135 | return err; |
fffd0934 | 136 | } |
04a773ad JB |
137 | |
138 | memcpy(wdev->ssid, params->ssid, params->ssid_len); | |
139 | wdev->ssid_len = params->ssid_len; | |
140 | ||
141 | return 0; | |
142 | } | |
143 | ||
667503dd JB |
144 | int cfg80211_join_ibss(struct cfg80211_registered_device *rdev, |
145 | struct net_device *dev, | |
fffd0934 JB |
146 | struct cfg80211_ibss_params *params, |
147 | struct cfg80211_cached_keys *connkeys) | |
667503dd JB |
148 | { |
149 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
150 | int err; | |
151 | ||
59bbb6f7 | 152 | mutex_lock(&rdev->devlist_mtx); |
667503dd | 153 | wdev_lock(wdev); |
fffd0934 | 154 | err = __cfg80211_join_ibss(rdev, dev, params, connkeys); |
667503dd | 155 | wdev_unlock(wdev); |
59bbb6f7 | 156 | mutex_unlock(&rdev->devlist_mtx); |
667503dd JB |
157 | |
158 | return err; | |
159 | } | |
160 | ||
161 | static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext) | |
04a773ad JB |
162 | { |
163 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
fffd0934 JB |
164 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
165 | int i; | |
04a773ad | 166 | |
667503dd JB |
167 | ASSERT_WDEV_LOCK(wdev); |
168 | ||
fffd0934 JB |
169 | kfree(wdev->connect_keys); |
170 | wdev->connect_keys = NULL; | |
171 | ||
172 | /* | |
173 | * Delete all the keys ... pairwise keys can't really | |
174 | * exist any more anyway, but default keys might. | |
175 | */ | |
176 | if (rdev->ops->del_key) | |
177 | for (i = 0; i < 6; i++) | |
e31b8213 | 178 | rdev->ops->del_key(wdev->wiphy, dev, i, false, NULL); |
fffd0934 | 179 | |
04a773ad JB |
180 | if (wdev->current_bss) { |
181 | cfg80211_unhold_bss(wdev->current_bss); | |
19957bb3 | 182 | cfg80211_put_bss(&wdev->current_bss->pub); |
04a773ad JB |
183 | } |
184 | ||
185 | wdev->current_bss = NULL; | |
28f33366 | 186 | wdev->sme_state = CFG80211_SME_IDLE; |
04a773ad | 187 | wdev->ssid_len = 0; |
3d23e349 | 188 | #ifdef CONFIG_CFG80211_WEXT |
9d308429 | 189 | if (!nowext) |
cbe8fa9c | 190 | wdev->wext.ibss.ssid_len = 0; |
9d308429 | 191 | #endif |
04a773ad JB |
192 | } |
193 | ||
667503dd JB |
194 | void cfg80211_clear_ibss(struct net_device *dev, bool nowext) |
195 | { | |
196 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
197 | ||
198 | wdev_lock(wdev); | |
199 | __cfg80211_clear_ibss(dev, nowext); | |
200 | wdev_unlock(wdev); | |
201 | } | |
202 | ||
98d3a7ca JB |
203 | int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
204 | struct net_device *dev, bool nowext) | |
04a773ad | 205 | { |
78485475 | 206 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
04a773ad JB |
207 | int err; |
208 | ||
667503dd JB |
209 | ASSERT_WDEV_LOCK(wdev); |
210 | ||
78485475 JB |
211 | if (!wdev->ssid_len) |
212 | return -ENOLINK; | |
213 | ||
04a773ad JB |
214 | err = rdev->ops->leave_ibss(&rdev->wiphy, dev); |
215 | ||
216 | if (err) | |
217 | return err; | |
218 | ||
667503dd | 219 | __cfg80211_clear_ibss(dev, nowext); |
04a773ad JB |
220 | |
221 | return 0; | |
222 | } | |
223 | ||
667503dd JB |
224 | int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
225 | struct net_device *dev, bool nowext) | |
226 | { | |
227 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
228 | int err; | |
229 | ||
230 | wdev_lock(wdev); | |
231 | err = __cfg80211_leave_ibss(rdev, dev, nowext); | |
232 | wdev_unlock(wdev); | |
233 | ||
234 | return err; | |
235 | } | |
236 | ||
3d23e349 | 237 | #ifdef CONFIG_CFG80211_WEXT |
fffd0934 JB |
238 | int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, |
239 | struct wireless_dev *wdev) | |
04a773ad | 240 | { |
fffd0934 | 241 | struct cfg80211_cached_keys *ck = NULL; |
04a773ad | 242 | enum ieee80211_band band; |
fffd0934 JB |
243 | int i, err; |
244 | ||
245 | ASSERT_WDEV_LOCK(wdev); | |
04a773ad | 246 | |
cbe8fa9c JB |
247 | if (!wdev->wext.ibss.beacon_interval) |
248 | wdev->wext.ibss.beacon_interval = 100; | |
8e30bc55 | 249 | |
04a773ad | 250 | /* try to find an IBSS channel if none requested ... */ |
cbe8fa9c | 251 | if (!wdev->wext.ibss.channel) { |
04a773ad JB |
252 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
253 | struct ieee80211_supported_band *sband; | |
254 | struct ieee80211_channel *chan; | |
255 | ||
256 | sband = rdev->wiphy.bands[band]; | |
257 | if (!sband) | |
258 | continue; | |
259 | ||
260 | for (i = 0; i < sband->n_channels; i++) { | |
261 | chan = &sband->channels[i]; | |
262 | if (chan->flags & IEEE80211_CHAN_NO_IBSS) | |
263 | continue; | |
264 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
265 | continue; | |
cbe8fa9c | 266 | wdev->wext.ibss.channel = chan; |
04a773ad JB |
267 | break; |
268 | } | |
269 | ||
cbe8fa9c | 270 | if (wdev->wext.ibss.channel) |
04a773ad JB |
271 | break; |
272 | } | |
273 | ||
cbe8fa9c | 274 | if (!wdev->wext.ibss.channel) |
04a773ad JB |
275 | return -EINVAL; |
276 | } | |
277 | ||
278 | /* don't join -- SSID is not there */ | |
cbe8fa9c | 279 | if (!wdev->wext.ibss.ssid_len) |
04a773ad JB |
280 | return 0; |
281 | ||
282 | if (!netif_running(wdev->netdev)) | |
283 | return 0; | |
284 | ||
3be61a38 | 285 | if (wdev->wext.keys) { |
fffd0934 | 286 | wdev->wext.keys->def = wdev->wext.default_key; |
3be61a38 JB |
287 | wdev->wext.keys->defmgmt = wdev->wext.default_mgmt_key; |
288 | } | |
fffd0934 JB |
289 | |
290 | wdev->wext.ibss.privacy = wdev->wext.default_key != -1; | |
291 | ||
292 | if (wdev->wext.keys) { | |
293 | ck = kmemdup(wdev->wext.keys, sizeof(*ck), GFP_KERNEL); | |
294 | if (!ck) | |
295 | return -ENOMEM; | |
296 | for (i = 0; i < 6; i++) | |
297 | ck->params[i].key = ck->data[i]; | |
298 | } | |
299 | err = __cfg80211_join_ibss(rdev, wdev->netdev, | |
300 | &wdev->wext.ibss, ck); | |
301 | if (err) | |
302 | kfree(ck); | |
303 | ||
304 | return err; | |
04a773ad JB |
305 | } |
306 | ||
307 | int cfg80211_ibss_wext_siwfreq(struct net_device *dev, | |
308 | struct iw_request_info *info, | |
59bbb6f7 | 309 | struct iw_freq *wextfreq, char *extra) |
04a773ad JB |
310 | { |
311 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
59bbb6f7 JB |
312 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
313 | struct ieee80211_channel *chan = NULL; | |
314 | int err, freq; | |
04a773ad JB |
315 | |
316 | /* call only for ibss! */ | |
317 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) | |
318 | return -EINVAL; | |
319 | ||
59bbb6f7 | 320 | if (!rdev->ops->join_ibss) |
04a773ad JB |
321 | return -EOPNOTSUPP; |
322 | ||
59bbb6f7 JB |
323 | freq = cfg80211_wext_freq(wdev->wiphy, wextfreq); |
324 | if (freq < 0) | |
325 | return freq; | |
04a773ad | 326 | |
59bbb6f7 JB |
327 | if (freq) { |
328 | chan = ieee80211_get_channel(wdev->wiphy, freq); | |
329 | if (!chan) | |
330 | return -EINVAL; | |
331 | if (chan->flags & IEEE80211_CHAN_NO_IBSS || | |
332 | chan->flags & IEEE80211_CHAN_DISABLED) | |
333 | return -EINVAL; | |
334 | } | |
04a773ad | 335 | |
cbe8fa9c | 336 | if (wdev->wext.ibss.channel == chan) |
04a773ad JB |
337 | return 0; |
338 | ||
667503dd JB |
339 | wdev_lock(wdev); |
340 | err = 0; | |
341 | if (wdev->ssid_len) | |
59bbb6f7 | 342 | err = __cfg80211_leave_ibss(rdev, dev, true); |
667503dd JB |
343 | wdev_unlock(wdev); |
344 | ||
345 | if (err) | |
346 | return err; | |
04a773ad JB |
347 | |
348 | if (chan) { | |
cbe8fa9c JB |
349 | wdev->wext.ibss.channel = chan; |
350 | wdev->wext.ibss.channel_fixed = true; | |
04a773ad JB |
351 | } else { |
352 | /* cfg80211_ibss_wext_join will pick one if needed */ | |
cbe8fa9c | 353 | wdev->wext.ibss.channel_fixed = false; |
04a773ad JB |
354 | } |
355 | ||
59bbb6f7 | 356 | mutex_lock(&rdev->devlist_mtx); |
fffd0934 | 357 | wdev_lock(wdev); |
59bbb6f7 | 358 | err = cfg80211_ibss_wext_join(rdev, wdev); |
fffd0934 | 359 | wdev_unlock(wdev); |
59bbb6f7 | 360 | mutex_unlock(&rdev->devlist_mtx); |
fffd0934 JB |
361 | |
362 | return err; | |
04a773ad | 363 | } |
04a773ad JB |
364 | |
365 | int cfg80211_ibss_wext_giwfreq(struct net_device *dev, | |
366 | struct iw_request_info *info, | |
367 | struct iw_freq *freq, char *extra) | |
368 | { | |
369 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
370 | struct ieee80211_channel *chan = NULL; | |
371 | ||
372 | /* call only for ibss! */ | |
373 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) | |
374 | return -EINVAL; | |
375 | ||
667503dd | 376 | wdev_lock(wdev); |
04a773ad | 377 | if (wdev->current_bss) |
19957bb3 | 378 | chan = wdev->current_bss->pub.channel; |
cbe8fa9c JB |
379 | else if (wdev->wext.ibss.channel) |
380 | chan = wdev->wext.ibss.channel; | |
667503dd | 381 | wdev_unlock(wdev); |
04a773ad JB |
382 | |
383 | if (chan) { | |
384 | freq->m = chan->center_freq; | |
385 | freq->e = 6; | |
386 | return 0; | |
387 | } | |
388 | ||
389 | /* no channel if not joining */ | |
390 | return -EINVAL; | |
391 | } | |
04a773ad JB |
392 | |
393 | int cfg80211_ibss_wext_siwessid(struct net_device *dev, | |
394 | struct iw_request_info *info, | |
395 | struct iw_point *data, char *ssid) | |
396 | { | |
397 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
59bbb6f7 | 398 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
04a773ad JB |
399 | size_t len = data->length; |
400 | int err; | |
401 | ||
402 | /* call only for ibss! */ | |
403 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) | |
404 | return -EINVAL; | |
405 | ||
59bbb6f7 | 406 | if (!rdev->ops->join_ibss) |
04a773ad JB |
407 | return -EOPNOTSUPP; |
408 | ||
667503dd JB |
409 | wdev_lock(wdev); |
410 | err = 0; | |
411 | if (wdev->ssid_len) | |
59bbb6f7 | 412 | err = __cfg80211_leave_ibss(rdev, dev, true); |
667503dd JB |
413 | wdev_unlock(wdev); |
414 | ||
415 | if (err) | |
416 | return err; | |
04a773ad JB |
417 | |
418 | /* iwconfig uses nul termination in SSID.. */ | |
419 | if (len > 0 && ssid[len - 1] == '\0') | |
420 | len--; | |
421 | ||
cbe8fa9c JB |
422 | wdev->wext.ibss.ssid = wdev->ssid; |
423 | memcpy(wdev->wext.ibss.ssid, ssid, len); | |
424 | wdev->wext.ibss.ssid_len = len; | |
04a773ad | 425 | |
59bbb6f7 | 426 | mutex_lock(&rdev->devlist_mtx); |
fffd0934 | 427 | wdev_lock(wdev); |
59bbb6f7 | 428 | err = cfg80211_ibss_wext_join(rdev, wdev); |
fffd0934 | 429 | wdev_unlock(wdev); |
59bbb6f7 | 430 | mutex_unlock(&rdev->devlist_mtx); |
fffd0934 JB |
431 | |
432 | return err; | |
04a773ad | 433 | } |
04a773ad JB |
434 | |
435 | int cfg80211_ibss_wext_giwessid(struct net_device *dev, | |
436 | struct iw_request_info *info, | |
437 | struct iw_point *data, char *ssid) | |
438 | { | |
439 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
440 | ||
441 | /* call only for ibss! */ | |
442 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) | |
443 | return -EINVAL; | |
444 | ||
445 | data->flags = 0; | |
446 | ||
667503dd | 447 | wdev_lock(wdev); |
04a773ad JB |
448 | if (wdev->ssid_len) { |
449 | data->flags = 1; | |
450 | data->length = wdev->ssid_len; | |
451 | memcpy(ssid, wdev->ssid, data->length); | |
cbe8fa9c | 452 | } else if (wdev->wext.ibss.ssid && wdev->wext.ibss.ssid_len) { |
04a773ad | 453 | data->flags = 1; |
cbe8fa9c JB |
454 | data->length = wdev->wext.ibss.ssid_len; |
455 | memcpy(ssid, wdev->wext.ibss.ssid, data->length); | |
04a773ad | 456 | } |
667503dd | 457 | wdev_unlock(wdev); |
04a773ad JB |
458 | |
459 | return 0; | |
460 | } | |
04a773ad JB |
461 | |
462 | int cfg80211_ibss_wext_siwap(struct net_device *dev, | |
463 | struct iw_request_info *info, | |
464 | struct sockaddr *ap_addr, char *extra) | |
465 | { | |
466 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
59bbb6f7 | 467 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
04a773ad JB |
468 | u8 *bssid = ap_addr->sa_data; |
469 | int err; | |
470 | ||
471 | /* call only for ibss! */ | |
472 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) | |
473 | return -EINVAL; | |
474 | ||
59bbb6f7 | 475 | if (!rdev->ops->join_ibss) |
04a773ad JB |
476 | return -EOPNOTSUPP; |
477 | ||
478 | if (ap_addr->sa_family != ARPHRD_ETHER) | |
479 | return -EINVAL; | |
480 | ||
481 | /* automatic mode */ | |
482 | if (is_zero_ether_addr(bssid) || is_broadcast_ether_addr(bssid)) | |
483 | bssid = NULL; | |
484 | ||
485 | /* both automatic */ | |
cbe8fa9c | 486 | if (!bssid && !wdev->wext.ibss.bssid) |
04a773ad JB |
487 | return 0; |
488 | ||
489 | /* fixed already - and no change */ | |
cbe8fa9c | 490 | if (wdev->wext.ibss.bssid && bssid && |
ac422d3c | 491 | ether_addr_equal(bssid, wdev->wext.ibss.bssid)) |
04a773ad JB |
492 | return 0; |
493 | ||
667503dd JB |
494 | wdev_lock(wdev); |
495 | err = 0; | |
496 | if (wdev->ssid_len) | |
59bbb6f7 | 497 | err = __cfg80211_leave_ibss(rdev, dev, true); |
667503dd JB |
498 | wdev_unlock(wdev); |
499 | ||
500 | if (err) | |
501 | return err; | |
04a773ad JB |
502 | |
503 | if (bssid) { | |
cbe8fa9c JB |
504 | memcpy(wdev->wext.bssid, bssid, ETH_ALEN); |
505 | wdev->wext.ibss.bssid = wdev->wext.bssid; | |
04a773ad | 506 | } else |
cbe8fa9c | 507 | wdev->wext.ibss.bssid = NULL; |
04a773ad | 508 | |
59bbb6f7 | 509 | mutex_lock(&rdev->devlist_mtx); |
fffd0934 | 510 | wdev_lock(wdev); |
59bbb6f7 | 511 | err = cfg80211_ibss_wext_join(rdev, wdev); |
fffd0934 | 512 | wdev_unlock(wdev); |
59bbb6f7 | 513 | mutex_unlock(&rdev->devlist_mtx); |
fffd0934 JB |
514 | |
515 | return err; | |
04a773ad | 516 | } |
04a773ad JB |
517 | |
518 | int cfg80211_ibss_wext_giwap(struct net_device *dev, | |
519 | struct iw_request_info *info, | |
520 | struct sockaddr *ap_addr, char *extra) | |
521 | { | |
522 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
523 | ||
524 | /* call only for ibss! */ | |
525 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) | |
526 | return -EINVAL; | |
527 | ||
528 | ap_addr->sa_family = ARPHRD_ETHER; | |
529 | ||
667503dd | 530 | wdev_lock(wdev); |
7ebbe6bd | 531 | if (wdev->current_bss) |
19957bb3 | 532 | memcpy(ap_addr->sa_data, wdev->current_bss->pub.bssid, ETH_ALEN); |
80e5b06a | 533 | else if (wdev->wext.ibss.bssid) |
cbe8fa9c | 534 | memcpy(ap_addr->sa_data, wdev->wext.ibss.bssid, ETH_ALEN); |
80e5b06a ZY |
535 | else |
536 | memset(ap_addr->sa_data, 0, ETH_ALEN); | |
537 | ||
667503dd JB |
538 | wdev_unlock(wdev); |
539 | ||
04a773ad JB |
540 | return 0; |
541 | } | |
04a773ad | 542 | #endif |