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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 | 13 | #include "nl80211.h" |
e35e4d28 | 14 | #include "rdev-ops.h" |
04a773ad JB |
15 | |
16 | ||
fe94f3a4 AQ |
17 | void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, |
18 | struct ieee80211_channel *channel) | |
04a773ad JB |
19 | { |
20 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
21 | struct cfg80211_bss *bss; | |
3d23e349 | 22 | #ifdef CONFIG_CFG80211_WEXT |
04a773ad JB |
23 | union iwreq_data wrqu; |
24 | #endif | |
25 | ||
26 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) | |
27 | return; | |
28 | ||
f7969969 | 29 | if (!wdev->ssid_len) |
04a773ad JB |
30 | return; |
31 | ||
fe94f3a4 | 32 | bss = cfg80211_get_bss(wdev->wiphy, channel, bssid, NULL, 0, |
04a773ad JB |
33 | WLAN_CAPABILITY_IBSS, WLAN_CAPABILITY_IBSS); |
34 | ||
35 | if (WARN_ON(!bss)) | |
36 | return; | |
37 | ||
38 | if (wdev->current_bss) { | |
39 | cfg80211_unhold_bss(wdev->current_bss); | |
5b112d3d | 40 | cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub); |
04a773ad JB |
41 | } |
42 | ||
19957bb3 JB |
43 | cfg80211_hold_bss(bss_from_pub(bss)); |
44 | wdev->current_bss = bss_from_pub(bss); | |
04a773ad | 45 | |
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 | 56 | |
fe94f3a4 AQ |
57 | void cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, |
58 | struct ieee80211_channel *channel, gfp_t gfp) | |
667503dd JB |
59 | { |
60 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
61 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); | |
62 | struct cfg80211_event *ev; | |
63 | unsigned long flags; | |
64 | ||
fe94f3a4 AQ |
65 | trace_cfg80211_ibss_joined(dev, bssid, channel); |
66 | ||
67 | if (WARN_ON(!channel)) | |
68 | return; | |
4ee3e063 | 69 | |
667503dd JB |
70 | ev = kzalloc(sizeof(*ev), gfp); |
71 | if (!ev) | |
72 | return; | |
73 | ||
74 | ev->type = EVENT_IBSS_JOINED; | |
fe94f3a4 AQ |
75 | memcpy(ev->ij.bssid, bssid, ETH_ALEN); |
76 | ev->ij.channel = channel; | |
667503dd JB |
77 | |
78 | spin_lock_irqsave(&wdev->event_lock, flags); | |
79 | list_add_tail(&ev->list, &wdev->event_list); | |
80 | spin_unlock_irqrestore(&wdev->event_lock, flags); | |
e60d7443 | 81 | queue_work(cfg80211_wq, &rdev->event_work); |
667503dd | 82 | } |
04a773ad JB |
83 | EXPORT_SYMBOL(cfg80211_ibss_joined); |
84 | ||
2316d7b0 ZG |
85 | static int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, |
86 | struct net_device *dev, | |
87 | struct cfg80211_ibss_params *params, | |
88 | struct cfg80211_cached_keys *connkeys) | |
04a773ad JB |
89 | { |
90 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
91 | int err; | |
92 | ||
667503dd JB |
93 | ASSERT_WDEV_LOCK(wdev); |
94 | ||
04a773ad JB |
95 | if (wdev->ssid_len) |
96 | return -EALREADY; | |
97 | ||
93b05238 JB |
98 | if (!params->basic_rates) { |
99 | /* | |
100 | * If no rates were explicitly configured, | |
101 | * use the mandatory rate set for 11b or | |
102 | * 11a for maximum compatibility. | |
103 | */ | |
104 | struct ieee80211_supported_band *sband = | |
683b6d3b | 105 | rdev->wiphy.bands[params->chandef.chan->band]; |
93b05238 | 106 | int j; |
683b6d3b | 107 | u32 flag = params->chandef.chan->band == IEEE80211_BAND_5GHZ ? |
93b05238 JB |
108 | IEEE80211_RATE_MANDATORY_A : |
109 | IEEE80211_RATE_MANDATORY_B; | |
110 | ||
111 | for (j = 0; j < sband->n_bitrates; j++) { | |
112 | if (sband->bitrates[j].flags & flag) | |
113 | params->basic_rates |= BIT(j); | |
114 | } | |
115 | } | |
116 | ||
fffd0934 JB |
117 | if (WARN_ON(wdev->connect_keys)) |
118 | kfree(wdev->connect_keys); | |
119 | wdev->connect_keys = connkeys; | |
120 | ||
c30a3d38 | 121 | wdev->ibss_fixed = params->channel_fixed; |
5336fa88 | 122 | wdev->ibss_dfs_possible = params->userspace_handles_dfs; |
9e0e2961 | 123 | wdev->chandef = params->chandef; |
3d23e349 | 124 | #ifdef CONFIG_CFG80211_WEXT |
683b6d3b | 125 | wdev->wext.ibss.chandef = params->chandef; |
04a773ad | 126 | #endif |
e35e4d28 | 127 | err = rdev_join_ibss(rdev, dev, params); |
fffd0934 JB |
128 | if (err) { |
129 | wdev->connect_keys = NULL; | |
04a773ad | 130 | return err; |
fffd0934 | 131 | } |
04a773ad JB |
132 | |
133 | memcpy(wdev->ssid, params->ssid, params->ssid_len); | |
134 | wdev->ssid_len = params->ssid_len; | |
135 | ||
136 | return 0; | |
137 | } | |
138 | ||
667503dd JB |
139 | int cfg80211_join_ibss(struct cfg80211_registered_device *rdev, |
140 | struct net_device *dev, | |
fffd0934 JB |
141 | struct cfg80211_ibss_params *params, |
142 | struct cfg80211_cached_keys *connkeys) | |
667503dd JB |
143 | { |
144 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
145 | int err; | |
146 | ||
5fe231e8 JB |
147 | ASSERT_RTNL(); |
148 | ||
667503dd | 149 | wdev_lock(wdev); |
fffd0934 | 150 | err = __cfg80211_join_ibss(rdev, dev, params, connkeys); |
667503dd JB |
151 | wdev_unlock(wdev); |
152 | ||
153 | return err; | |
154 | } | |
155 | ||
156 | static void __cfg80211_clear_ibss(struct net_device *dev, bool nowext) | |
04a773ad JB |
157 | { |
158 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
fffd0934 JB |
159 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
160 | int i; | |
04a773ad | 161 | |
667503dd JB |
162 | ASSERT_WDEV_LOCK(wdev); |
163 | ||
fffd0934 JB |
164 | kfree(wdev->connect_keys); |
165 | wdev->connect_keys = NULL; | |
166 | ||
fa9ffc74 KP |
167 | rdev_set_qos_map(rdev, dev, NULL); |
168 | ||
fffd0934 JB |
169 | /* |
170 | * Delete all the keys ... pairwise keys can't really | |
171 | * exist any more anyway, but default keys might. | |
172 | */ | |
173 | if (rdev->ops->del_key) | |
174 | for (i = 0; i < 6; i++) | |
e35e4d28 | 175 | rdev_del_key(rdev, dev, i, false, NULL); |
fffd0934 | 176 | |
04a773ad JB |
177 | if (wdev->current_bss) { |
178 | cfg80211_unhold_bss(wdev->current_bss); | |
5b112d3d | 179 | cfg80211_put_bss(wdev->wiphy, &wdev->current_bss->pub); |
04a773ad JB |
180 | } |
181 | ||
182 | wdev->current_bss = NULL; | |
183 | wdev->ssid_len = 0; | |
9e0e2961 | 184 | memset(&wdev->chandef, 0, sizeof(wdev->chandef)); |
3d23e349 | 185 | #ifdef CONFIG_CFG80211_WEXT |
9d308429 | 186 | if (!nowext) |
cbe8fa9c | 187 | wdev->wext.ibss.ssid_len = 0; |
9d308429 | 188 | #endif |
04a773ad JB |
189 | } |
190 | ||
667503dd JB |
191 | void cfg80211_clear_ibss(struct net_device *dev, bool nowext) |
192 | { | |
193 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
194 | ||
195 | wdev_lock(wdev); | |
196 | __cfg80211_clear_ibss(dev, nowext); | |
197 | wdev_unlock(wdev); | |
198 | } | |
199 | ||
98d3a7ca JB |
200 | int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
201 | struct net_device *dev, bool nowext) | |
04a773ad | 202 | { |
78485475 | 203 | struct wireless_dev *wdev = dev->ieee80211_ptr; |
04a773ad JB |
204 | int err; |
205 | ||
667503dd JB |
206 | ASSERT_WDEV_LOCK(wdev); |
207 | ||
78485475 JB |
208 | if (!wdev->ssid_len) |
209 | return -ENOLINK; | |
210 | ||
e35e4d28 | 211 | err = rdev_leave_ibss(rdev, dev); |
04a773ad JB |
212 | |
213 | if (err) | |
214 | return err; | |
215 | ||
667503dd | 216 | __cfg80211_clear_ibss(dev, nowext); |
04a773ad JB |
217 | |
218 | return 0; | |
219 | } | |
220 | ||
667503dd JB |
221 | int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
222 | struct net_device *dev, bool nowext) | |
223 | { | |
224 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
225 | int err; | |
226 | ||
227 | wdev_lock(wdev); | |
228 | err = __cfg80211_leave_ibss(rdev, dev, nowext); | |
229 | wdev_unlock(wdev); | |
230 | ||
231 | return err; | |
232 | } | |
233 | ||
3d23e349 | 234 | #ifdef CONFIG_CFG80211_WEXT |
fffd0934 JB |
235 | int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, |
236 | struct wireless_dev *wdev) | |
04a773ad | 237 | { |
fffd0934 | 238 | struct cfg80211_cached_keys *ck = NULL; |
04a773ad | 239 | enum ieee80211_band band; |
fffd0934 JB |
240 | int i, err; |
241 | ||
242 | ASSERT_WDEV_LOCK(wdev); | |
04a773ad | 243 | |
cbe8fa9c JB |
244 | if (!wdev->wext.ibss.beacon_interval) |
245 | wdev->wext.ibss.beacon_interval = 100; | |
8e30bc55 | 246 | |
04a773ad | 247 | /* try to find an IBSS channel if none requested ... */ |
683b6d3b | 248 | if (!wdev->wext.ibss.chandef.chan) { |
1fe4517c | 249 | struct ieee80211_channel *new_chan = NULL; |
683b6d3b | 250 | |
04a773ad JB |
251 | for (band = 0; band < IEEE80211_NUM_BANDS; band++) { |
252 | struct ieee80211_supported_band *sband; | |
253 | struct ieee80211_channel *chan; | |
254 | ||
255 | sband = rdev->wiphy.bands[band]; | |
256 | if (!sband) | |
257 | continue; | |
258 | ||
259 | for (i = 0; i < sband->n_channels; i++) { | |
260 | chan = &sband->channels[i]; | |
8fe02e16 | 261 | if (chan->flags & IEEE80211_CHAN_NO_IR) |
04a773ad JB |
262 | continue; |
263 | if (chan->flags & IEEE80211_CHAN_DISABLED) | |
264 | continue; | |
1fe4517c | 265 | new_chan = chan; |
04a773ad JB |
266 | break; |
267 | } | |
268 | ||
1fe4517c | 269 | if (new_chan) |
04a773ad JB |
270 | break; |
271 | } | |
272 | ||
1fe4517c | 273 | if (!new_chan) |
04a773ad | 274 | return -EINVAL; |
1fe4517c SW |
275 | |
276 | cfg80211_chandef_create(&wdev->wext.ibss.chandef, new_chan, | |
277 | NL80211_CHAN_NO_HT); | |
04a773ad JB |
278 | } |
279 | ||
280 | /* don't join -- SSID is not there */ | |
cbe8fa9c | 281 | if (!wdev->wext.ibss.ssid_len) |
04a773ad JB |
282 | return 0; |
283 | ||
284 | if (!netif_running(wdev->netdev)) | |
285 | return 0; | |
286 | ||
3be61a38 | 287 | if (wdev->wext.keys) { |
fffd0934 | 288 | wdev->wext.keys->def = wdev->wext.default_key; |
3be61a38 JB |
289 | wdev->wext.keys->defmgmt = wdev->wext.default_mgmt_key; |
290 | } | |
fffd0934 JB |
291 | |
292 | wdev->wext.ibss.privacy = wdev->wext.default_key != -1; | |
293 | ||
294 | if (wdev->wext.keys) { | |
295 | ck = kmemdup(wdev->wext.keys, sizeof(*ck), GFP_KERNEL); | |
296 | if (!ck) | |
297 | return -ENOMEM; | |
298 | for (i = 0; i < 6; i++) | |
299 | ck->params[i].key = ck->data[i]; | |
300 | } | |
301 | err = __cfg80211_join_ibss(rdev, wdev->netdev, | |
302 | &wdev->wext.ibss, ck); | |
303 | if (err) | |
304 | kfree(ck); | |
305 | ||
306 | return err; | |
04a773ad JB |
307 | } |
308 | ||
309 | int cfg80211_ibss_wext_siwfreq(struct net_device *dev, | |
310 | struct iw_request_info *info, | |
59bbb6f7 | 311 | struct iw_freq *wextfreq, char *extra) |
04a773ad JB |
312 | { |
313 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
59bbb6f7 JB |
314 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
315 | struct ieee80211_channel *chan = NULL; | |
316 | int err, freq; | |
04a773ad JB |
317 | |
318 | /* call only for ibss! */ | |
319 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) | |
320 | return -EINVAL; | |
321 | ||
59bbb6f7 | 322 | if (!rdev->ops->join_ibss) |
04a773ad JB |
323 | return -EOPNOTSUPP; |
324 | ||
59bbb6f7 JB |
325 | freq = cfg80211_wext_freq(wdev->wiphy, wextfreq); |
326 | if (freq < 0) | |
327 | return freq; | |
04a773ad | 328 | |
59bbb6f7 JB |
329 | if (freq) { |
330 | chan = ieee80211_get_channel(wdev->wiphy, freq); | |
331 | if (!chan) | |
332 | return -EINVAL; | |
8fe02e16 | 333 | if (chan->flags & IEEE80211_CHAN_NO_IR || |
59bbb6f7 JB |
334 | chan->flags & IEEE80211_CHAN_DISABLED) |
335 | return -EINVAL; | |
336 | } | |
04a773ad | 337 | |
683b6d3b | 338 | if (wdev->wext.ibss.chandef.chan == chan) |
04a773ad JB |
339 | return 0; |
340 | ||
667503dd JB |
341 | wdev_lock(wdev); |
342 | err = 0; | |
343 | if (wdev->ssid_len) | |
59bbb6f7 | 344 | err = __cfg80211_leave_ibss(rdev, dev, true); |
667503dd JB |
345 | wdev_unlock(wdev); |
346 | ||
347 | if (err) | |
348 | return err; | |
04a773ad JB |
349 | |
350 | if (chan) { | |
1fe4517c SW |
351 | cfg80211_chandef_create(&wdev->wext.ibss.chandef, chan, |
352 | NL80211_CHAN_NO_HT); | |
cbe8fa9c | 353 | wdev->wext.ibss.channel_fixed = true; |
04a773ad JB |
354 | } else { |
355 | /* cfg80211_ibss_wext_join will pick one if needed */ | |
cbe8fa9c | 356 | wdev->wext.ibss.channel_fixed = false; |
04a773ad JB |
357 | } |
358 | ||
fffd0934 | 359 | wdev_lock(wdev); |
59bbb6f7 | 360 | err = cfg80211_ibss_wext_join(rdev, wdev); |
fffd0934 JB |
361 | wdev_unlock(wdev); |
362 | ||
363 | return err; | |
04a773ad | 364 | } |
04a773ad JB |
365 | |
366 | int cfg80211_ibss_wext_giwfreq(struct net_device *dev, | |
367 | struct iw_request_info *info, | |
368 | struct iw_freq *freq, char *extra) | |
369 | { | |
370 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
371 | struct ieee80211_channel *chan = NULL; | |
372 | ||
373 | /* call only for ibss! */ | |
374 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) | |
375 | return -EINVAL; | |
376 | ||
667503dd | 377 | wdev_lock(wdev); |
04a773ad | 378 | if (wdev->current_bss) |
19957bb3 | 379 | chan = wdev->current_bss->pub.channel; |
683b6d3b JB |
380 | else if (wdev->wext.ibss.chandef.chan) |
381 | chan = wdev->wext.ibss.chandef.chan; | |
667503dd | 382 | wdev_unlock(wdev); |
04a773ad JB |
383 | |
384 | if (chan) { | |
385 | freq->m = chan->center_freq; | |
386 | freq->e = 6; | |
387 | return 0; | |
388 | } | |
389 | ||
390 | /* no channel if not joining */ | |
391 | return -EINVAL; | |
392 | } | |
04a773ad JB |
393 | |
394 | int cfg80211_ibss_wext_siwessid(struct net_device *dev, | |
395 | struct iw_request_info *info, | |
396 | struct iw_point *data, char *ssid) | |
397 | { | |
398 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
59bbb6f7 | 399 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
04a773ad JB |
400 | size_t len = data->length; |
401 | int err; | |
402 | ||
403 | /* call only for ibss! */ | |
404 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) | |
405 | return -EINVAL; | |
406 | ||
59bbb6f7 | 407 | if (!rdev->ops->join_ibss) |
04a773ad JB |
408 | return -EOPNOTSUPP; |
409 | ||
667503dd JB |
410 | wdev_lock(wdev); |
411 | err = 0; | |
412 | if (wdev->ssid_len) | |
59bbb6f7 | 413 | err = __cfg80211_leave_ibss(rdev, dev, true); |
667503dd JB |
414 | wdev_unlock(wdev); |
415 | ||
416 | if (err) | |
417 | return err; | |
04a773ad JB |
418 | |
419 | /* iwconfig uses nul termination in SSID.. */ | |
420 | if (len > 0 && ssid[len - 1] == '\0') | |
421 | len--; | |
422 | ||
cbe8fa9c JB |
423 | wdev->wext.ibss.ssid = wdev->ssid; |
424 | memcpy(wdev->wext.ibss.ssid, ssid, len); | |
425 | wdev->wext.ibss.ssid_len = len; | |
04a773ad | 426 | |
fffd0934 | 427 | wdev_lock(wdev); |
59bbb6f7 | 428 | err = cfg80211_ibss_wext_join(rdev, wdev); |
fffd0934 JB |
429 | wdev_unlock(wdev); |
430 | ||
431 | return err; | |
04a773ad | 432 | } |
04a773ad JB |
433 | |
434 | int cfg80211_ibss_wext_giwessid(struct net_device *dev, | |
435 | struct iw_request_info *info, | |
436 | struct iw_point *data, char *ssid) | |
437 | { | |
438 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
439 | ||
440 | /* call only for ibss! */ | |
441 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) | |
442 | return -EINVAL; | |
443 | ||
444 | data->flags = 0; | |
445 | ||
667503dd | 446 | wdev_lock(wdev); |
04a773ad JB |
447 | if (wdev->ssid_len) { |
448 | data->flags = 1; | |
449 | data->length = wdev->ssid_len; | |
450 | memcpy(ssid, wdev->ssid, data->length); | |
cbe8fa9c | 451 | } else if (wdev->wext.ibss.ssid && wdev->wext.ibss.ssid_len) { |
04a773ad | 452 | data->flags = 1; |
cbe8fa9c JB |
453 | data->length = wdev->wext.ibss.ssid_len; |
454 | memcpy(ssid, wdev->wext.ibss.ssid, data->length); | |
04a773ad | 455 | } |
667503dd | 456 | wdev_unlock(wdev); |
04a773ad JB |
457 | |
458 | return 0; | |
459 | } | |
04a773ad JB |
460 | |
461 | int cfg80211_ibss_wext_siwap(struct net_device *dev, | |
462 | struct iw_request_info *info, | |
463 | struct sockaddr *ap_addr, char *extra) | |
464 | { | |
465 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
59bbb6f7 | 466 | struct cfg80211_registered_device *rdev = wiphy_to_dev(wdev->wiphy); |
04a773ad JB |
467 | u8 *bssid = ap_addr->sa_data; |
468 | int err; | |
469 | ||
470 | /* call only for ibss! */ | |
471 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) | |
472 | return -EINVAL; | |
473 | ||
59bbb6f7 | 474 | if (!rdev->ops->join_ibss) |
04a773ad JB |
475 | return -EOPNOTSUPP; |
476 | ||
477 | if (ap_addr->sa_family != ARPHRD_ETHER) | |
478 | return -EINVAL; | |
479 | ||
480 | /* automatic mode */ | |
481 | if (is_zero_ether_addr(bssid) || is_broadcast_ether_addr(bssid)) | |
482 | bssid = NULL; | |
483 | ||
484 | /* both automatic */ | |
cbe8fa9c | 485 | if (!bssid && !wdev->wext.ibss.bssid) |
04a773ad JB |
486 | return 0; |
487 | ||
488 | /* fixed already - and no change */ | |
cbe8fa9c | 489 | if (wdev->wext.ibss.bssid && bssid && |
ac422d3c | 490 | ether_addr_equal(bssid, wdev->wext.ibss.bssid)) |
04a773ad JB |
491 | return 0; |
492 | ||
667503dd JB |
493 | wdev_lock(wdev); |
494 | err = 0; | |
495 | if (wdev->ssid_len) | |
59bbb6f7 | 496 | err = __cfg80211_leave_ibss(rdev, dev, true); |
667503dd JB |
497 | wdev_unlock(wdev); |
498 | ||
499 | if (err) | |
500 | return err; | |
04a773ad JB |
501 | |
502 | if (bssid) { | |
cbe8fa9c JB |
503 | memcpy(wdev->wext.bssid, bssid, ETH_ALEN); |
504 | wdev->wext.ibss.bssid = wdev->wext.bssid; | |
04a773ad | 505 | } else |
cbe8fa9c | 506 | wdev->wext.ibss.bssid = NULL; |
04a773ad | 507 | |
fffd0934 | 508 | wdev_lock(wdev); |
59bbb6f7 | 509 | err = cfg80211_ibss_wext_join(rdev, wdev); |
fffd0934 JB |
510 | wdev_unlock(wdev); |
511 | ||
512 | return err; | |
04a773ad | 513 | } |
04a773ad JB |
514 | |
515 | int cfg80211_ibss_wext_giwap(struct net_device *dev, | |
516 | struct iw_request_info *info, | |
517 | struct sockaddr *ap_addr, char *extra) | |
518 | { | |
519 | struct wireless_dev *wdev = dev->ieee80211_ptr; | |
520 | ||
521 | /* call only for ibss! */ | |
522 | if (WARN_ON(wdev->iftype != NL80211_IFTYPE_ADHOC)) | |
523 | return -EINVAL; | |
524 | ||
525 | ap_addr->sa_family = ARPHRD_ETHER; | |
526 | ||
667503dd | 527 | wdev_lock(wdev); |
7ebbe6bd | 528 | if (wdev->current_bss) |
19957bb3 | 529 | memcpy(ap_addr->sa_data, wdev->current_bss->pub.bssid, ETH_ALEN); |
80e5b06a | 530 | else if (wdev->wext.ibss.bssid) |
cbe8fa9c | 531 | memcpy(ap_addr->sa_data, wdev->wext.ibss.bssid, ETH_ALEN); |
80e5b06a ZY |
532 | else |
533 | memset(ap_addr->sa_data, 0, ETH_ALEN); | |
534 | ||
667503dd JB |
535 | wdev_unlock(wdev); |
536 | ||
04a773ad JB |
537 | return 0; |
538 | } | |
04a773ad | 539 | #endif |