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Commit | Line | Data |
---|---|---|
f0706e82 JB |
1 | /* |
2 | * mac80211 configuration hooks for cfg80211 | |
3 | * | |
62da92fb | 4 | * Copyright 2006, 2007 Johannes Berg <johannes@sipsolutions.net> |
f0706e82 JB |
5 | * |
6 | * This file is GPLv2 as found in COPYING. | |
7 | */ | |
8 | ||
e8cbb4cb | 9 | #include <linux/ieee80211.h> |
f0706e82 JB |
10 | #include <linux/nl80211.h> |
11 | #include <linux/rtnetlink.h> | |
881d966b | 12 | #include <net/net_namespace.h> |
5dfdaf58 | 13 | #include <linux/rcupdate.h> |
f0706e82 JB |
14 | #include <net/cfg80211.h> |
15 | #include "ieee80211_i.h" | |
e0eb6859 | 16 | #include "cfg.h" |
2c8dccc7 | 17 | #include "rate.h" |
c5dd9c2b | 18 | #include "mesh.h" |
c5dd9c2b | 19 | |
05c914fe | 20 | static bool nl80211_type_check(enum nl80211_iftype type) |
42613db7 JB |
21 | { |
22 | switch (type) { | |
42613db7 | 23 | case NL80211_IFTYPE_ADHOC: |
42613db7 | 24 | case NL80211_IFTYPE_STATION: |
42613db7 | 25 | case NL80211_IFTYPE_MONITOR: |
c5dd9c2b LCC |
26 | #ifdef CONFIG_MAC80211_MESH |
27 | case NL80211_IFTYPE_MESH_POINT: | |
c5dd9c2b | 28 | #endif |
fbf18927 JM |
29 | case NL80211_IFTYPE_AP: |
30 | case NL80211_IFTYPE_AP_VLAN: | |
b454048c | 31 | case NL80211_IFTYPE_WDS: |
05c914fe | 32 | return true; |
42613db7 | 33 | default: |
05c914fe | 34 | return false; |
42613db7 JB |
35 | } |
36 | } | |
37 | ||
f0706e82 | 38 | static int ieee80211_add_iface(struct wiphy *wiphy, char *name, |
2ec600d6 LCC |
39 | enum nl80211_iftype type, u32 *flags, |
40 | struct vif_params *params) | |
f0706e82 JB |
41 | { |
42 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
8cc9a739 MW |
43 | struct net_device *dev; |
44 | struct ieee80211_sub_if_data *sdata; | |
45 | int err; | |
f0706e82 | 46 | |
05c914fe | 47 | if (!nl80211_type_check(type)) |
f0706e82 | 48 | return -EINVAL; |
f0706e82 | 49 | |
05c914fe JB |
50 | err = ieee80211_if_add(local, name, &dev, type, params); |
51 | if (err || type != NL80211_IFTYPE_MONITOR || !flags) | |
8cc9a739 MW |
52 | return err; |
53 | ||
54 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
55 | sdata->u.mntr_flags = *flags; | |
56 | return 0; | |
f0706e82 JB |
57 | } |
58 | ||
59 | static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex) | |
60 | { | |
f0706e82 | 61 | struct net_device *dev; |
f698d856 | 62 | struct ieee80211_sub_if_data *sdata; |
f0706e82 | 63 | |
42613db7 JB |
64 | /* we're under RTNL */ |
65 | dev = __dev_get_by_index(&init_net, ifindex); | |
f0706e82 | 66 | if (!dev) |
75636525 | 67 | return -ENODEV; |
f0706e82 | 68 | |
f698d856 JBG |
69 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
70 | ||
71 | ieee80211_if_remove(sdata); | |
f0706e82 | 72 | |
75636525 | 73 | return 0; |
f0706e82 JB |
74 | } |
75 | ||
42613db7 | 76 | static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex, |
2ec600d6 LCC |
77 | enum nl80211_iftype type, u32 *flags, |
78 | struct vif_params *params) | |
42613db7 | 79 | { |
42613db7 | 80 | struct net_device *dev; |
42613db7 | 81 | struct ieee80211_sub_if_data *sdata; |
f3947e2d | 82 | int ret; |
42613db7 | 83 | |
42613db7 JB |
84 | /* we're under RTNL */ |
85 | dev = __dev_get_by_index(&init_net, ifindex); | |
86 | if (!dev) | |
87 | return -ENODEV; | |
88 | ||
05c914fe | 89 | if (!nl80211_type_check(type)) |
42613db7 JB |
90 | return -EINVAL; |
91 | ||
92 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
93 | ||
05c914fe | 94 | ret = ieee80211_if_change_type(sdata, type); |
f3947e2d JB |
95 | if (ret) |
96 | return ret; | |
42613db7 | 97 | |
f8b25cda JB |
98 | if (netif_running(sdata->dev)) |
99 | return -EBUSY; | |
100 | ||
902acc78 | 101 | if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len) |
472dbc45 JB |
102 | ieee80211_sdata_set_mesh_id(sdata, |
103 | params->mesh_id_len, | |
104 | params->mesh_id); | |
c5dd9c2b | 105 | |
05c914fe | 106 | if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags) |
8cc9a739 MW |
107 | return 0; |
108 | ||
109 | sdata->u.mntr_flags = *flags; | |
42613db7 JB |
110 | return 0; |
111 | } | |
112 | ||
e8cbb4cb JB |
113 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
114 | u8 key_idx, u8 *mac_addr, | |
115 | struct key_params *params) | |
116 | { | |
117 | struct ieee80211_sub_if_data *sdata; | |
118 | struct sta_info *sta = NULL; | |
119 | enum ieee80211_key_alg alg; | |
db4d1169 | 120 | struct ieee80211_key *key; |
3b96766f | 121 | int err; |
e8cbb4cb JB |
122 | |
123 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
124 | ||
125 | switch (params->cipher) { | |
126 | case WLAN_CIPHER_SUITE_WEP40: | |
127 | case WLAN_CIPHER_SUITE_WEP104: | |
128 | alg = ALG_WEP; | |
129 | break; | |
130 | case WLAN_CIPHER_SUITE_TKIP: | |
131 | alg = ALG_TKIP; | |
132 | break; | |
133 | case WLAN_CIPHER_SUITE_CCMP: | |
134 | alg = ALG_CCMP; | |
135 | break; | |
136 | default: | |
137 | return -EINVAL; | |
138 | } | |
139 | ||
db4d1169 JB |
140 | key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key); |
141 | if (!key) | |
142 | return -ENOMEM; | |
143 | ||
3b96766f JB |
144 | rcu_read_lock(); |
145 | ||
e8cbb4cb JB |
146 | if (mac_addr) { |
147 | sta = sta_info_get(sdata->local, mac_addr); | |
db4d1169 JB |
148 | if (!sta) { |
149 | ieee80211_key_free(key); | |
3b96766f JB |
150 | err = -ENOENT; |
151 | goto out_unlock; | |
db4d1169 | 152 | } |
e8cbb4cb JB |
153 | } |
154 | ||
db4d1169 JB |
155 | ieee80211_key_link(key, sdata, sta); |
156 | ||
3b96766f JB |
157 | err = 0; |
158 | out_unlock: | |
159 | rcu_read_unlock(); | |
160 | ||
161 | return err; | |
e8cbb4cb JB |
162 | } |
163 | ||
164 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
165 | u8 key_idx, u8 *mac_addr) | |
166 | { | |
167 | struct ieee80211_sub_if_data *sdata; | |
168 | struct sta_info *sta; | |
169 | int ret; | |
170 | ||
171 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
172 | ||
3b96766f JB |
173 | rcu_read_lock(); |
174 | ||
e8cbb4cb | 175 | if (mac_addr) { |
3b96766f JB |
176 | ret = -ENOENT; |
177 | ||
e8cbb4cb JB |
178 | sta = sta_info_get(sdata->local, mac_addr); |
179 | if (!sta) | |
3b96766f | 180 | goto out_unlock; |
e8cbb4cb | 181 | |
db4d1169 | 182 | if (sta->key) { |
d0709a65 | 183 | ieee80211_key_free(sta->key); |
db4d1169 | 184 | WARN_ON(sta->key); |
3b96766f JB |
185 | ret = 0; |
186 | } | |
e8cbb4cb | 187 | |
3b96766f | 188 | goto out_unlock; |
e8cbb4cb JB |
189 | } |
190 | ||
3b96766f JB |
191 | if (!sdata->keys[key_idx]) { |
192 | ret = -ENOENT; | |
193 | goto out_unlock; | |
194 | } | |
e8cbb4cb | 195 | |
d0709a65 | 196 | ieee80211_key_free(sdata->keys[key_idx]); |
db4d1169 | 197 | WARN_ON(sdata->keys[key_idx]); |
e8cbb4cb | 198 | |
3b96766f JB |
199 | ret = 0; |
200 | out_unlock: | |
201 | rcu_read_unlock(); | |
202 | ||
203 | return ret; | |
e8cbb4cb JB |
204 | } |
205 | ||
62da92fb JB |
206 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
207 | u8 key_idx, u8 *mac_addr, void *cookie, | |
208 | void (*callback)(void *cookie, | |
209 | struct key_params *params)) | |
210 | { | |
14db74bc | 211 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
212 | struct sta_info *sta = NULL; |
213 | u8 seq[6] = {0}; | |
214 | struct key_params params; | |
215 | struct ieee80211_key *key; | |
216 | u32 iv32; | |
217 | u16 iv16; | |
218 | int err = -ENOENT; | |
219 | ||
14db74bc JB |
220 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
221 | ||
3b96766f JB |
222 | rcu_read_lock(); |
223 | ||
62da92fb JB |
224 | if (mac_addr) { |
225 | sta = sta_info_get(sdata->local, mac_addr); | |
226 | if (!sta) | |
227 | goto out; | |
228 | ||
229 | key = sta->key; | |
230 | } else | |
231 | key = sdata->keys[key_idx]; | |
232 | ||
233 | if (!key) | |
234 | goto out; | |
235 | ||
236 | memset(¶ms, 0, sizeof(params)); | |
237 | ||
238 | switch (key->conf.alg) { | |
239 | case ALG_TKIP: | |
240 | params.cipher = WLAN_CIPHER_SUITE_TKIP; | |
241 | ||
b0f76b33 HH |
242 | iv32 = key->u.tkip.tx.iv32; |
243 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb JB |
244 | |
245 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && | |
246 | sdata->local->ops->get_tkip_seq) | |
247 | sdata->local->ops->get_tkip_seq( | |
248 | local_to_hw(sdata->local), | |
249 | key->conf.hw_key_idx, | |
250 | &iv32, &iv16); | |
251 | ||
252 | seq[0] = iv16 & 0xff; | |
253 | seq[1] = (iv16 >> 8) & 0xff; | |
254 | seq[2] = iv32 & 0xff; | |
255 | seq[3] = (iv32 >> 8) & 0xff; | |
256 | seq[4] = (iv32 >> 16) & 0xff; | |
257 | seq[5] = (iv32 >> 24) & 0xff; | |
258 | params.seq = seq; | |
259 | params.seq_len = 6; | |
260 | break; | |
261 | case ALG_CCMP: | |
262 | params.cipher = WLAN_CIPHER_SUITE_CCMP; | |
263 | seq[0] = key->u.ccmp.tx_pn[5]; | |
264 | seq[1] = key->u.ccmp.tx_pn[4]; | |
265 | seq[2] = key->u.ccmp.tx_pn[3]; | |
266 | seq[3] = key->u.ccmp.tx_pn[2]; | |
267 | seq[4] = key->u.ccmp.tx_pn[1]; | |
268 | seq[5] = key->u.ccmp.tx_pn[0]; | |
269 | params.seq = seq; | |
270 | params.seq_len = 6; | |
271 | break; | |
272 | case ALG_WEP: | |
273 | if (key->conf.keylen == 5) | |
274 | params.cipher = WLAN_CIPHER_SUITE_WEP40; | |
275 | else | |
276 | params.cipher = WLAN_CIPHER_SUITE_WEP104; | |
277 | break; | |
278 | } | |
279 | ||
280 | params.key = key->conf.key; | |
281 | params.key_len = key->conf.keylen; | |
282 | ||
283 | callback(cookie, ¶ms); | |
284 | err = 0; | |
285 | ||
286 | out: | |
3b96766f | 287 | rcu_read_unlock(); |
62da92fb JB |
288 | return err; |
289 | } | |
290 | ||
e8cbb4cb JB |
291 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
292 | struct net_device *dev, | |
293 | u8 key_idx) | |
294 | { | |
295 | struct ieee80211_sub_if_data *sdata; | |
296 | ||
3b96766f JB |
297 | rcu_read_lock(); |
298 | ||
e8cbb4cb JB |
299 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
300 | ieee80211_set_default_key(sdata, key_idx); | |
301 | ||
3b96766f JB |
302 | rcu_read_unlock(); |
303 | ||
e8cbb4cb JB |
304 | return 0; |
305 | } | |
306 | ||
c5dd9c2b LCC |
307 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
308 | { | |
d0709a65 | 309 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
c5dd9c2b LCC |
310 | |
311 | sinfo->filled = STATION_INFO_INACTIVE_TIME | | |
312 | STATION_INFO_RX_BYTES | | |
420e7fab HR |
313 | STATION_INFO_TX_BYTES | |
314 | STATION_INFO_TX_BITRATE; | |
c5dd9c2b LCC |
315 | |
316 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
317 | sinfo->rx_bytes = sta->rx_bytes; | |
318 | sinfo->tx_bytes = sta->tx_bytes; | |
319 | ||
420e7fab HR |
320 | if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) { |
321 | sinfo->filled |= STATION_INFO_SIGNAL; | |
322 | sinfo->signal = (s8)sta->last_signal; | |
323 | } | |
324 | ||
325 | sinfo->txrate.flags = 0; | |
326 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS) | |
327 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
328 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH) | |
329 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
330 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI) | |
331 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
332 | ||
333 | if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) { | |
334 | struct ieee80211_supported_band *sband; | |
335 | sband = sta->local->hw.wiphy->bands[ | |
336 | sta->local->hw.conf.channel->band]; | |
337 | sinfo->txrate.legacy = | |
338 | sband->bitrates[sta->last_tx_rate.idx].bitrate; | |
339 | } else | |
340 | sinfo->txrate.mcs = sta->last_tx_rate.idx; | |
341 | ||
902acc78 | 342 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 343 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
344 | sinfo->filled |= STATION_INFO_LLID | |
345 | STATION_INFO_PLID | | |
346 | STATION_INFO_PLINK_STATE; | |
347 | ||
348 | sinfo->llid = le16_to_cpu(sta->llid); | |
349 | sinfo->plid = le16_to_cpu(sta->plid); | |
350 | sinfo->plink_state = sta->plink_state; | |
c5dd9c2b | 351 | #endif |
902acc78 | 352 | } |
c5dd9c2b LCC |
353 | } |
354 | ||
355 | ||
356 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
357 | int idx, u8 *mac, struct station_info *sinfo) | |
358 | { | |
359 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
360 | struct sta_info *sta; | |
d0709a65 JB |
361 | int ret = -ENOENT; |
362 | ||
363 | rcu_read_lock(); | |
c5dd9c2b LCC |
364 | |
365 | sta = sta_info_get_by_idx(local, idx, dev); | |
d0709a65 JB |
366 | if (sta) { |
367 | ret = 0; | |
17741cdc | 368 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
369 | sta_set_sinfo(sta, sinfo); |
370 | } | |
c5dd9c2b | 371 | |
d0709a65 | 372 | rcu_read_unlock(); |
c5dd9c2b | 373 | |
d0709a65 | 374 | return ret; |
c5dd9c2b LCC |
375 | } |
376 | ||
7bbdd2d9 | 377 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 378 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 JB |
379 | { |
380 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
381 | struct sta_info *sta; | |
d0709a65 | 382 | int ret = -ENOENT; |
7bbdd2d9 | 383 | |
d0709a65 | 384 | rcu_read_lock(); |
7bbdd2d9 JB |
385 | |
386 | /* XXX: verify sta->dev == dev */ | |
7bbdd2d9 | 387 | |
d0709a65 JB |
388 | sta = sta_info_get(local, mac); |
389 | if (sta) { | |
390 | ret = 0; | |
391 | sta_set_sinfo(sta, sinfo); | |
392 | } | |
393 | ||
394 | rcu_read_unlock(); | |
395 | ||
396 | return ret; | |
7bbdd2d9 JB |
397 | } |
398 | ||
5dfdaf58 JB |
399 | /* |
400 | * This handles both adding a beacon and setting new beacon info | |
401 | */ | |
402 | static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, | |
403 | struct beacon_parameters *params) | |
404 | { | |
405 | struct beacon_data *new, *old; | |
406 | int new_head_len, new_tail_len; | |
407 | int size; | |
408 | int err = -EINVAL; | |
409 | ||
410 | old = sdata->u.ap.beacon; | |
411 | ||
412 | /* head must not be zero-length */ | |
413 | if (params->head && !params->head_len) | |
414 | return -EINVAL; | |
415 | ||
416 | /* | |
417 | * This is a kludge. beacon interval should really be part | |
418 | * of the beacon information. | |
419 | */ | |
420 | if (params->interval) { | |
421 | sdata->local->hw.conf.beacon_int = params->interval; | |
447107fb RC |
422 | err = ieee80211_hw_config(sdata->local, |
423 | IEEE80211_CONF_CHANGE_BEACON_INTERVAL); | |
424 | if (err < 0) | |
425 | return err; | |
5dfdaf58 JB |
426 | /* |
427 | * We updated some parameter so if below bails out | |
428 | * it's not an error. | |
429 | */ | |
430 | err = 0; | |
431 | } | |
432 | ||
433 | /* Need to have a beacon head if we don't have one yet */ | |
434 | if (!params->head && !old) | |
435 | return err; | |
436 | ||
437 | /* sorry, no way to start beaconing without dtim period */ | |
438 | if (!params->dtim_period && !old) | |
439 | return err; | |
440 | ||
441 | /* new or old head? */ | |
442 | if (params->head) | |
443 | new_head_len = params->head_len; | |
444 | else | |
445 | new_head_len = old->head_len; | |
446 | ||
447 | /* new or old tail? */ | |
448 | if (params->tail || !old) | |
449 | /* params->tail_len will be zero for !params->tail */ | |
450 | new_tail_len = params->tail_len; | |
451 | else | |
452 | new_tail_len = old->tail_len; | |
453 | ||
454 | size = sizeof(*new) + new_head_len + new_tail_len; | |
455 | ||
456 | new = kzalloc(size, GFP_KERNEL); | |
457 | if (!new) | |
458 | return -ENOMEM; | |
459 | ||
460 | /* start filling the new info now */ | |
461 | ||
462 | /* new or old dtim period? */ | |
463 | if (params->dtim_period) | |
464 | new->dtim_period = params->dtim_period; | |
465 | else | |
466 | new->dtim_period = old->dtim_period; | |
467 | ||
468 | /* | |
469 | * pointers go into the block we allocated, | |
470 | * memory is | beacon_data | head | tail | | |
471 | */ | |
472 | new->head = ((u8 *) new) + sizeof(*new); | |
473 | new->tail = new->head + new_head_len; | |
474 | new->head_len = new_head_len; | |
475 | new->tail_len = new_tail_len; | |
476 | ||
477 | /* copy in head */ | |
478 | if (params->head) | |
479 | memcpy(new->head, params->head, new_head_len); | |
480 | else | |
481 | memcpy(new->head, old->head, new_head_len); | |
482 | ||
483 | /* copy in optional tail */ | |
484 | if (params->tail) | |
485 | memcpy(new->tail, params->tail, new_tail_len); | |
486 | else | |
487 | if (old) | |
488 | memcpy(new->tail, old->tail, new_tail_len); | |
489 | ||
490 | rcu_assign_pointer(sdata->u.ap.beacon, new); | |
491 | ||
492 | synchronize_rcu(); | |
493 | ||
494 | kfree(old); | |
495 | ||
9d139c81 | 496 | return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON); |
5dfdaf58 JB |
497 | } |
498 | ||
499 | static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, | |
500 | struct beacon_parameters *params) | |
501 | { | |
14db74bc | 502 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
503 | struct beacon_data *old; |
504 | ||
14db74bc JB |
505 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
506 | ||
05c914fe | 507 | if (sdata->vif.type != NL80211_IFTYPE_AP) |
5dfdaf58 JB |
508 | return -EINVAL; |
509 | ||
510 | old = sdata->u.ap.beacon; | |
511 | ||
512 | if (old) | |
513 | return -EALREADY; | |
514 | ||
515 | return ieee80211_config_beacon(sdata, params); | |
516 | } | |
517 | ||
518 | static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, | |
519 | struct beacon_parameters *params) | |
520 | { | |
14db74bc | 521 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
522 | struct beacon_data *old; |
523 | ||
14db74bc JB |
524 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
525 | ||
05c914fe | 526 | if (sdata->vif.type != NL80211_IFTYPE_AP) |
5dfdaf58 JB |
527 | return -EINVAL; |
528 | ||
529 | old = sdata->u.ap.beacon; | |
530 | ||
531 | if (!old) | |
532 | return -ENOENT; | |
533 | ||
534 | return ieee80211_config_beacon(sdata, params); | |
535 | } | |
536 | ||
537 | static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) | |
538 | { | |
14db74bc | 539 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
540 | struct beacon_data *old; |
541 | ||
14db74bc JB |
542 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
543 | ||
05c914fe | 544 | if (sdata->vif.type != NL80211_IFTYPE_AP) |
5dfdaf58 JB |
545 | return -EINVAL; |
546 | ||
547 | old = sdata->u.ap.beacon; | |
548 | ||
549 | if (!old) | |
550 | return -ENOENT; | |
551 | ||
552 | rcu_assign_pointer(sdata->u.ap.beacon, NULL); | |
553 | synchronize_rcu(); | |
554 | kfree(old); | |
555 | ||
9d139c81 | 556 | return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON); |
5dfdaf58 JB |
557 | } |
558 | ||
4fd6931e JB |
559 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
560 | struct iapp_layer2_update { | |
561 | u8 da[ETH_ALEN]; /* broadcast */ | |
562 | u8 sa[ETH_ALEN]; /* STA addr */ | |
563 | __be16 len; /* 6 */ | |
564 | u8 dsap; /* 0 */ | |
565 | u8 ssap; /* 0 */ | |
566 | u8 control; | |
567 | u8 xid_info[3]; | |
568 | } __attribute__ ((packed)); | |
569 | ||
570 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
571 | { | |
572 | struct iapp_layer2_update *msg; | |
573 | struct sk_buff *skb; | |
574 | ||
575 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
576 | * bridge devices */ | |
577 | ||
578 | skb = dev_alloc_skb(sizeof(*msg)); | |
579 | if (!skb) | |
580 | return; | |
581 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
582 | ||
583 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
584 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
585 | ||
586 | memset(msg->da, 0xff, ETH_ALEN); | |
17741cdc | 587 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
588 | msg->len = htons(6); |
589 | msg->dsap = 0; | |
590 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
591 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
592 | * F=0 (no poll command; unsolicited frame) */ | |
593 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
594 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
595 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
596 | ||
d0709a65 JB |
597 | skb->dev = sta->sdata->dev; |
598 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e JB |
599 | memset(skb->cb, 0, sizeof(skb->cb)); |
600 | netif_rx(skb); | |
601 | } | |
602 | ||
603 | static void sta_apply_parameters(struct ieee80211_local *local, | |
604 | struct sta_info *sta, | |
605 | struct station_parameters *params) | |
606 | { | |
607 | u32 rates; | |
608 | int i, j; | |
8318d78a | 609 | struct ieee80211_supported_band *sband; |
d0709a65 | 610 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
4fd6931e | 611 | |
ae5eb026 JB |
612 | sband = local->hw.wiphy->bands[local->oper_channel->band]; |
613 | ||
73651ee6 JB |
614 | /* |
615 | * FIXME: updating the flags is racy when this function is | |
616 | * called from ieee80211_change_station(), this will | |
617 | * be resolved in a future patch. | |
618 | */ | |
619 | ||
4fd6931e | 620 | if (params->station_flags & STATION_FLAG_CHANGED) { |
07346f81 | 621 | spin_lock_bh(&sta->lock); |
4fd6931e JB |
622 | sta->flags &= ~WLAN_STA_AUTHORIZED; |
623 | if (params->station_flags & STATION_FLAG_AUTHORIZED) | |
624 | sta->flags |= WLAN_STA_AUTHORIZED; | |
625 | ||
626 | sta->flags &= ~WLAN_STA_SHORT_PREAMBLE; | |
627 | if (params->station_flags & STATION_FLAG_SHORT_PREAMBLE) | |
628 | sta->flags |= WLAN_STA_SHORT_PREAMBLE; | |
629 | ||
630 | sta->flags &= ~WLAN_STA_WME; | |
631 | if (params->station_flags & STATION_FLAG_WME) | |
632 | sta->flags |= WLAN_STA_WME; | |
07346f81 | 633 | spin_unlock_bh(&sta->lock); |
4fd6931e JB |
634 | } |
635 | ||
73651ee6 JB |
636 | /* |
637 | * FIXME: updating the following information is racy when this | |
638 | * function is called from ieee80211_change_station(). | |
639 | * However, all this information should be static so | |
640 | * maybe we should just reject attemps to change it. | |
641 | */ | |
642 | ||
4fd6931e | 643 | if (params->aid) { |
17741cdc JB |
644 | sta->sta.aid = params->aid; |
645 | if (sta->sta.aid > IEEE80211_MAX_AID) | |
646 | sta->sta.aid = 0; /* XXX: should this be an error? */ | |
4fd6931e JB |
647 | } |
648 | ||
649 | if (params->listen_interval >= 0) | |
650 | sta->listen_interval = params->listen_interval; | |
651 | ||
652 | if (params->supported_rates) { | |
653 | rates = 0; | |
8318d78a | 654 | |
4fd6931e JB |
655 | for (i = 0; i < params->supported_rates_len; i++) { |
656 | int rate = (params->supported_rates[i] & 0x7f) * 5; | |
8318d78a JB |
657 | for (j = 0; j < sband->n_bitrates; j++) { |
658 | if (sband->bitrates[j].bitrate == rate) | |
4fd6931e JB |
659 | rates |= BIT(j); |
660 | } | |
661 | } | |
323ce79a | 662 | sta->sta.supp_rates[local->oper_channel->band] = rates; |
4fd6931e | 663 | } |
c5dd9c2b | 664 | |
d9fe60de | 665 | if (params->ht_capa) |
ae5eb026 JB |
666 | ieee80211_ht_cap_ie_to_sta_ht_cap(sband, |
667 | params->ht_capa, | |
d9fe60de | 668 | &sta->sta.ht_cap); |
36aedc90 | 669 | |
902acc78 | 670 | if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) { |
c5dd9c2b LCC |
671 | switch (params->plink_action) { |
672 | case PLINK_ACTION_OPEN: | |
673 | mesh_plink_open(sta); | |
674 | break; | |
675 | case PLINK_ACTION_BLOCK: | |
676 | mesh_plink_block(sta); | |
677 | break; | |
678 | } | |
902acc78 | 679 | } |
4fd6931e JB |
680 | } |
681 | ||
682 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
683 | u8 *mac, struct station_parameters *params) | |
684 | { | |
14db74bc | 685 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
686 | struct sta_info *sta; |
687 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 688 | int err; |
4fd6931e JB |
689 | |
690 | /* Prevent a race with changing the rate control algorithm */ | |
691 | if (!netif_running(dev)) | |
692 | return -ENETDOWN; | |
693 | ||
4fd6931e JB |
694 | if (params->vlan) { |
695 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
696 | ||
05c914fe JB |
697 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
698 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
699 | return -EINVAL; |
700 | } else | |
701 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
702 | ||
03e4497e JB |
703 | if (compare_ether_addr(mac, dev->dev_addr) == 0) |
704 | return -EINVAL; | |
705 | ||
706 | if (is_multicast_ether_addr(mac)) | |
707 | return -EINVAL; | |
708 | ||
709 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
710 | if (!sta) |
711 | return -ENOMEM; | |
4fd6931e JB |
712 | |
713 | sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC; | |
714 | ||
715 | sta_apply_parameters(local, sta, params); | |
716 | ||
4b7679a5 | 717 | rate_control_rate_init(sta); |
4fd6931e | 718 | |
73651ee6 JB |
719 | rcu_read_lock(); |
720 | ||
721 | err = sta_info_insert(sta); | |
722 | if (err) { | |
93e5deb1 | 723 | /* STA has been freed */ |
73651ee6 JB |
724 | rcu_read_unlock(); |
725 | return err; | |
726 | } | |
727 | ||
05c914fe JB |
728 | if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
729 | sdata->vif.type == NL80211_IFTYPE_AP) | |
73651ee6 JB |
730 | ieee80211_send_layer2_update(sta); |
731 | ||
732 | rcu_read_unlock(); | |
733 | ||
4fd6931e JB |
734 | return 0; |
735 | } | |
736 | ||
737 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
738 | u8 *mac) | |
739 | { | |
14db74bc JB |
740 | struct ieee80211_local *local = wiphy_priv(wiphy); |
741 | struct ieee80211_sub_if_data *sdata; | |
4fd6931e JB |
742 | struct sta_info *sta; |
743 | ||
14db74bc JB |
744 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
745 | ||
4fd6931e | 746 | if (mac) { |
98dd6a57 JB |
747 | rcu_read_lock(); |
748 | ||
4fd6931e JB |
749 | /* XXX: get sta belonging to dev */ |
750 | sta = sta_info_get(local, mac); | |
98dd6a57 JB |
751 | if (!sta) { |
752 | rcu_read_unlock(); | |
4fd6931e | 753 | return -ENOENT; |
98dd6a57 | 754 | } |
4fd6931e | 755 | |
d0709a65 | 756 | sta_info_unlink(&sta); |
98dd6a57 JB |
757 | rcu_read_unlock(); |
758 | ||
4f6fab47 | 759 | sta_info_destroy(sta); |
4fd6931e | 760 | } else |
d0709a65 | 761 | sta_info_flush(local, sdata); |
4fd6931e JB |
762 | |
763 | return 0; | |
764 | } | |
765 | ||
766 | static int ieee80211_change_station(struct wiphy *wiphy, | |
767 | struct net_device *dev, | |
768 | u8 *mac, | |
769 | struct station_parameters *params) | |
770 | { | |
14db74bc | 771 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
772 | struct sta_info *sta; |
773 | struct ieee80211_sub_if_data *vlansdata; | |
774 | ||
98dd6a57 JB |
775 | rcu_read_lock(); |
776 | ||
4fd6931e JB |
777 | /* XXX: get sta belonging to dev */ |
778 | sta = sta_info_get(local, mac); | |
98dd6a57 JB |
779 | if (!sta) { |
780 | rcu_read_unlock(); | |
4fd6931e | 781 | return -ENOENT; |
98dd6a57 | 782 | } |
4fd6931e | 783 | |
d0709a65 | 784 | if (params->vlan && params->vlan != sta->sdata->dev) { |
4fd6931e JB |
785 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
786 | ||
05c914fe JB |
787 | if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
788 | vlansdata->vif.type != NL80211_IFTYPE_AP) { | |
98dd6a57 | 789 | rcu_read_unlock(); |
4fd6931e | 790 | return -EINVAL; |
98dd6a57 | 791 | } |
4fd6931e | 792 | |
14db74bc | 793 | sta->sdata = vlansdata; |
4fd6931e JB |
794 | ieee80211_send_layer2_update(sta); |
795 | } | |
796 | ||
797 | sta_apply_parameters(local, sta, params); | |
798 | ||
98dd6a57 JB |
799 | rcu_read_unlock(); |
800 | ||
4fd6931e JB |
801 | return 0; |
802 | } | |
803 | ||
c5dd9c2b LCC |
804 | #ifdef CONFIG_MAC80211_MESH |
805 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
806 | u8 *dst, u8 *next_hop) | |
807 | { | |
14db74bc JB |
808 | struct ieee80211_local *local = wiphy_priv(wiphy); |
809 | struct ieee80211_sub_if_data *sdata; | |
c5dd9c2b LCC |
810 | struct mesh_path *mpath; |
811 | struct sta_info *sta; | |
812 | int err; | |
813 | ||
814 | if (!netif_running(dev)) | |
815 | return -ENETDOWN; | |
816 | ||
14db74bc JB |
817 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
818 | ||
05c914fe | 819 | if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT) |
c5dd9c2b LCC |
820 | return -ENOTSUPP; |
821 | ||
d0709a65 | 822 | rcu_read_lock(); |
c5dd9c2b | 823 | sta = sta_info_get(local, next_hop); |
d0709a65 JB |
824 | if (!sta) { |
825 | rcu_read_unlock(); | |
c5dd9c2b | 826 | return -ENOENT; |
d0709a65 | 827 | } |
c5dd9c2b | 828 | |
f698d856 | 829 | err = mesh_path_add(dst, sdata); |
d0709a65 JB |
830 | if (err) { |
831 | rcu_read_unlock(); | |
c5dd9c2b | 832 | return err; |
d0709a65 | 833 | } |
c5dd9c2b | 834 | |
f698d856 | 835 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
836 | if (!mpath) { |
837 | rcu_read_unlock(); | |
c5dd9c2b LCC |
838 | return -ENXIO; |
839 | } | |
840 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 841 | |
c5dd9c2b LCC |
842 | rcu_read_unlock(); |
843 | return 0; | |
844 | } | |
845 | ||
846 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
847 | u8 *dst) | |
848 | { | |
f698d856 JBG |
849 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
850 | ||
c5dd9c2b | 851 | if (dst) |
f698d856 | 852 | return mesh_path_del(dst, sdata); |
c5dd9c2b | 853 | |
f698d856 | 854 | mesh_path_flush(sdata); |
c5dd9c2b LCC |
855 | return 0; |
856 | } | |
857 | ||
858 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
859 | struct net_device *dev, | |
860 | u8 *dst, u8 *next_hop) | |
861 | { | |
14db74bc JB |
862 | struct ieee80211_local *local = wiphy_priv(wiphy); |
863 | struct ieee80211_sub_if_data *sdata; | |
c5dd9c2b LCC |
864 | struct mesh_path *mpath; |
865 | struct sta_info *sta; | |
866 | ||
867 | if (!netif_running(dev)) | |
868 | return -ENETDOWN; | |
869 | ||
14db74bc JB |
870 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
871 | ||
05c914fe | 872 | if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT) |
c5dd9c2b LCC |
873 | return -ENOTSUPP; |
874 | ||
d0709a65 JB |
875 | rcu_read_lock(); |
876 | ||
c5dd9c2b | 877 | sta = sta_info_get(local, next_hop); |
d0709a65 JB |
878 | if (!sta) { |
879 | rcu_read_unlock(); | |
c5dd9c2b | 880 | return -ENOENT; |
d0709a65 | 881 | } |
c5dd9c2b | 882 | |
f698d856 | 883 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
884 | if (!mpath) { |
885 | rcu_read_unlock(); | |
c5dd9c2b LCC |
886 | return -ENOENT; |
887 | } | |
888 | ||
889 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 890 | |
c5dd9c2b LCC |
891 | rcu_read_unlock(); |
892 | return 0; | |
893 | } | |
894 | ||
895 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
896 | struct mpath_info *pinfo) | |
897 | { | |
898 | if (mpath->next_hop) | |
17741cdc | 899 | memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN); |
c5dd9c2b LCC |
900 | else |
901 | memset(next_hop, 0, ETH_ALEN); | |
902 | ||
903 | pinfo->filled = MPATH_INFO_FRAME_QLEN | | |
904 | MPATH_INFO_DSN | | |
905 | MPATH_INFO_METRIC | | |
906 | MPATH_INFO_EXPTIME | | |
907 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
908 | MPATH_INFO_DISCOVERY_RETRIES | | |
909 | MPATH_INFO_FLAGS; | |
910 | ||
911 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
912 | pinfo->dsn = mpath->dsn; | |
913 | pinfo->metric = mpath->metric; | |
914 | if (time_before(jiffies, mpath->exp_time)) | |
915 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
916 | pinfo->discovery_timeout = | |
917 | jiffies_to_msecs(mpath->discovery_timeout); | |
918 | pinfo->discovery_retries = mpath->discovery_retries; | |
919 | pinfo->flags = 0; | |
920 | if (mpath->flags & MESH_PATH_ACTIVE) | |
921 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
922 | if (mpath->flags & MESH_PATH_RESOLVING) | |
923 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
924 | if (mpath->flags & MESH_PATH_DSN_VALID) | |
925 | pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID; | |
926 | if (mpath->flags & MESH_PATH_FIXED) | |
927 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
928 | if (mpath->flags & MESH_PATH_RESOLVING) | |
929 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
930 | ||
931 | pinfo->flags = mpath->flags; | |
932 | } | |
933 | ||
934 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
935 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
936 | ||
937 | { | |
14db74bc | 938 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
939 | struct mesh_path *mpath; |
940 | ||
14db74bc JB |
941 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
942 | ||
05c914fe | 943 | if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT) |
c5dd9c2b LCC |
944 | return -ENOTSUPP; |
945 | ||
946 | rcu_read_lock(); | |
f698d856 | 947 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
948 | if (!mpath) { |
949 | rcu_read_unlock(); | |
950 | return -ENOENT; | |
951 | } | |
952 | memcpy(dst, mpath->dst, ETH_ALEN); | |
953 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
954 | rcu_read_unlock(); | |
955 | return 0; | |
956 | } | |
957 | ||
958 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
959 | int idx, u8 *dst, u8 *next_hop, | |
960 | struct mpath_info *pinfo) | |
961 | { | |
14db74bc | 962 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
963 | struct mesh_path *mpath; |
964 | ||
14db74bc JB |
965 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
966 | ||
05c914fe | 967 | if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT) |
c5dd9c2b LCC |
968 | return -ENOTSUPP; |
969 | ||
970 | rcu_read_lock(); | |
f698d856 | 971 | mpath = mesh_path_lookup_by_idx(idx, sdata); |
c5dd9c2b LCC |
972 | if (!mpath) { |
973 | rcu_read_unlock(); | |
974 | return -ENOENT; | |
975 | } | |
976 | memcpy(dst, mpath->dst, ETH_ALEN); | |
977 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
978 | rcu_read_unlock(); | |
979 | return 0; | |
980 | } | |
93da9cc1 | 981 | |
982 | static int ieee80211_get_mesh_params(struct wiphy *wiphy, | |
983 | struct net_device *dev, | |
984 | struct mesh_config *conf) | |
985 | { | |
986 | struct ieee80211_sub_if_data *sdata; | |
987 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
988 | ||
989 | if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT) | |
990 | return -ENOTSUPP; | |
991 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); | |
992 | return 0; | |
993 | } | |
994 | ||
995 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
996 | { | |
997 | return (mask >> (parm-1)) & 0x1; | |
998 | } | |
999 | ||
1000 | static int ieee80211_set_mesh_params(struct wiphy *wiphy, | |
1001 | struct net_device *dev, | |
1002 | const struct mesh_config *nconf, u32 mask) | |
1003 | { | |
1004 | struct mesh_config *conf; | |
1005 | struct ieee80211_sub_if_data *sdata; | |
1006 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1007 | ||
1008 | if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT) | |
1009 | return -ENOTSUPP; | |
1010 | ||
1011 | /* Set the config options which we are interested in setting */ | |
1012 | conf = &(sdata->u.mesh.mshcfg); | |
1013 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1014 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1015 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1016 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1017 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1018 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1019 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1020 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1021 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1022 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1023 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1024 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
1025 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) | |
1026 | conf->auto_open_plinks = nconf->auto_open_plinks; | |
1027 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) | |
1028 | conf->dot11MeshHWMPmaxPREQretries = | |
1029 | nconf->dot11MeshHWMPmaxPREQretries; | |
1030 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1031 | conf->path_refresh_time = nconf->path_refresh_time; | |
1032 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1033 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1034 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1035 | conf->dot11MeshHWMPactivePathTimeout = | |
1036 | nconf->dot11MeshHWMPactivePathTimeout; | |
1037 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1038 | conf->dot11MeshHWMPpreqMinInterval = | |
1039 | nconf->dot11MeshHWMPpreqMinInterval; | |
1040 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
1041 | mask)) | |
1042 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1043 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
1044 | return 0; | |
1045 | } | |
1046 | ||
c5dd9c2b LCC |
1047 | #endif |
1048 | ||
9f1ba906 JM |
1049 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1050 | struct net_device *dev, | |
1051 | struct bss_parameters *params) | |
1052 | { | |
9f1ba906 JM |
1053 | struct ieee80211_sub_if_data *sdata; |
1054 | u32 changed = 0; | |
1055 | ||
9f1ba906 JM |
1056 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1057 | ||
05c914fe | 1058 | if (sdata->vif.type != NL80211_IFTYPE_AP) |
9f1ba906 JM |
1059 | return -EINVAL; |
1060 | ||
1061 | if (params->use_cts_prot >= 0) { | |
bda3933a | 1062 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1063 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1064 | } | |
1065 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1066 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1067 | params->use_short_preamble; |
1068 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1069 | } | |
1070 | if (params->use_short_slot_time >= 0) { | |
bda3933a | 1071 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1072 | params->use_short_slot_time; |
1073 | changed |= BSS_CHANGED_ERP_SLOT; | |
1074 | } | |
1075 | ||
90c97a04 JM |
1076 | if (params->basic_rates) { |
1077 | int i, j; | |
1078 | u32 rates = 0; | |
1079 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1080 | struct ieee80211_supported_band *sband = | |
1081 | wiphy->bands[local->oper_channel->band]; | |
1082 | ||
1083 | for (i = 0; i < params->basic_rates_len; i++) { | |
1084 | int rate = (params->basic_rates[i] & 0x7f) * 5; | |
1085 | for (j = 0; j < sband->n_bitrates; j++) { | |
1086 | if (sband->bitrates[j].bitrate == rate) | |
1087 | rates |= BIT(j); | |
1088 | } | |
1089 | } | |
1090 | sdata->vif.bss_conf.basic_rates = rates; | |
1091 | changed |= BSS_CHANGED_BASIC_RATES; | |
1092 | } | |
1093 | ||
9f1ba906 JM |
1094 | ieee80211_bss_info_change_notify(sdata, changed); |
1095 | ||
1096 | return 0; | |
1097 | } | |
1098 | ||
31888487 JM |
1099 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
1100 | struct ieee80211_txq_params *params) | |
1101 | { | |
1102 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1103 | struct ieee80211_tx_queue_params p; | |
1104 | ||
1105 | if (!local->ops->conf_tx) | |
1106 | return -EOPNOTSUPP; | |
1107 | ||
1108 | memset(&p, 0, sizeof(p)); | |
1109 | p.aifs = params->aifs; | |
1110 | p.cw_max = params->cwmax; | |
1111 | p.cw_min = params->cwmin; | |
1112 | p.txop = params->txop; | |
1113 | if (local->ops->conf_tx(local_to_hw(local), params->queue, &p)) { | |
1114 | printk(KERN_DEBUG "%s: failed to set TX queue " | |
1115 | "parameters for queue %d\n", local->mdev->name, | |
1116 | params->queue); | |
1117 | return -EINVAL; | |
1118 | } | |
1119 | ||
1120 | return 0; | |
1121 | } | |
1122 | ||
72bdcf34 JM |
1123 | static int ieee80211_set_channel(struct wiphy *wiphy, |
1124 | struct ieee80211_channel *chan, | |
094d05dc | 1125 | enum nl80211_channel_type channel_type) |
72bdcf34 JM |
1126 | { |
1127 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1128 | ||
1129 | local->oper_channel = chan; | |
094d05dc | 1130 | local->oper_channel_type = channel_type; |
72bdcf34 JM |
1131 | |
1132 | return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); | |
1133 | } | |
1134 | ||
f0706e82 JB |
1135 | struct cfg80211_ops mac80211_config_ops = { |
1136 | .add_virtual_intf = ieee80211_add_iface, | |
1137 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 1138 | .change_virtual_intf = ieee80211_change_iface, |
e8cbb4cb JB |
1139 | .add_key = ieee80211_add_key, |
1140 | .del_key = ieee80211_del_key, | |
62da92fb | 1141 | .get_key = ieee80211_get_key, |
e8cbb4cb | 1142 | .set_default_key = ieee80211_config_default_key, |
5dfdaf58 JB |
1143 | .add_beacon = ieee80211_add_beacon, |
1144 | .set_beacon = ieee80211_set_beacon, | |
1145 | .del_beacon = ieee80211_del_beacon, | |
4fd6931e JB |
1146 | .add_station = ieee80211_add_station, |
1147 | .del_station = ieee80211_del_station, | |
1148 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 1149 | .get_station = ieee80211_get_station, |
c5dd9c2b LCC |
1150 | .dump_station = ieee80211_dump_station, |
1151 | #ifdef CONFIG_MAC80211_MESH | |
1152 | .add_mpath = ieee80211_add_mpath, | |
1153 | .del_mpath = ieee80211_del_mpath, | |
1154 | .change_mpath = ieee80211_change_mpath, | |
1155 | .get_mpath = ieee80211_get_mpath, | |
1156 | .dump_mpath = ieee80211_dump_mpath, | |
93da9cc1 | 1157 | .set_mesh_params = ieee80211_set_mesh_params, |
1158 | .get_mesh_params = ieee80211_get_mesh_params, | |
c5dd9c2b | 1159 | #endif |
9f1ba906 | 1160 | .change_bss = ieee80211_change_bss, |
31888487 | 1161 | .set_txq_params = ieee80211_set_txq_params, |
72bdcf34 | 1162 | .set_channel = ieee80211_set_channel, |
f0706e82 | 1163 | }; |