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