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 | | |
313 | STATION_INFO_TX_BYTES; | |
314 | ||
315 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
316 | sinfo->rx_bytes = sta->rx_bytes; | |
317 | sinfo->tx_bytes = sta->tx_bytes; | |
318 | ||
902acc78 | 319 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 320 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
321 | sinfo->filled |= STATION_INFO_LLID | |
322 | STATION_INFO_PLID | | |
323 | STATION_INFO_PLINK_STATE; | |
324 | ||
325 | sinfo->llid = le16_to_cpu(sta->llid); | |
326 | sinfo->plid = le16_to_cpu(sta->plid); | |
327 | sinfo->plink_state = sta->plink_state; | |
c5dd9c2b | 328 | #endif |
902acc78 | 329 | } |
c5dd9c2b LCC |
330 | } |
331 | ||
332 | ||
333 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
334 | int idx, u8 *mac, struct station_info *sinfo) | |
335 | { | |
336 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
337 | struct sta_info *sta; | |
d0709a65 JB |
338 | int ret = -ENOENT; |
339 | ||
340 | rcu_read_lock(); | |
c5dd9c2b LCC |
341 | |
342 | sta = sta_info_get_by_idx(local, idx, dev); | |
d0709a65 JB |
343 | if (sta) { |
344 | ret = 0; | |
17741cdc | 345 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
346 | sta_set_sinfo(sta, sinfo); |
347 | } | |
c5dd9c2b | 348 | |
d0709a65 | 349 | rcu_read_unlock(); |
c5dd9c2b | 350 | |
d0709a65 | 351 | return ret; |
c5dd9c2b LCC |
352 | } |
353 | ||
7bbdd2d9 | 354 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 355 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 JB |
356 | { |
357 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
358 | struct sta_info *sta; | |
d0709a65 | 359 | int ret = -ENOENT; |
7bbdd2d9 | 360 | |
d0709a65 | 361 | rcu_read_lock(); |
7bbdd2d9 JB |
362 | |
363 | /* XXX: verify sta->dev == dev */ | |
7bbdd2d9 | 364 | |
d0709a65 JB |
365 | sta = sta_info_get(local, mac); |
366 | if (sta) { | |
367 | ret = 0; | |
368 | sta_set_sinfo(sta, sinfo); | |
369 | } | |
370 | ||
371 | rcu_read_unlock(); | |
372 | ||
373 | return ret; | |
7bbdd2d9 JB |
374 | } |
375 | ||
5dfdaf58 JB |
376 | /* |
377 | * This handles both adding a beacon and setting new beacon info | |
378 | */ | |
379 | static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, | |
380 | struct beacon_parameters *params) | |
381 | { | |
382 | struct beacon_data *new, *old; | |
383 | int new_head_len, new_tail_len; | |
384 | int size; | |
385 | int err = -EINVAL; | |
386 | ||
387 | old = sdata->u.ap.beacon; | |
388 | ||
389 | /* head must not be zero-length */ | |
390 | if (params->head && !params->head_len) | |
391 | return -EINVAL; | |
392 | ||
393 | /* | |
394 | * This is a kludge. beacon interval should really be part | |
395 | * of the beacon information. | |
396 | */ | |
397 | if (params->interval) { | |
398 | sdata->local->hw.conf.beacon_int = params->interval; | |
447107fb RC |
399 | err = ieee80211_hw_config(sdata->local, |
400 | IEEE80211_CONF_CHANGE_BEACON_INTERVAL); | |
401 | if (err < 0) | |
402 | return err; | |
5dfdaf58 JB |
403 | /* |
404 | * We updated some parameter so if below bails out | |
405 | * it's not an error. | |
406 | */ | |
407 | err = 0; | |
408 | } | |
409 | ||
410 | /* Need to have a beacon head if we don't have one yet */ | |
411 | if (!params->head && !old) | |
412 | return err; | |
413 | ||
414 | /* sorry, no way to start beaconing without dtim period */ | |
415 | if (!params->dtim_period && !old) | |
416 | return err; | |
417 | ||
418 | /* new or old head? */ | |
419 | if (params->head) | |
420 | new_head_len = params->head_len; | |
421 | else | |
422 | new_head_len = old->head_len; | |
423 | ||
424 | /* new or old tail? */ | |
425 | if (params->tail || !old) | |
426 | /* params->tail_len will be zero for !params->tail */ | |
427 | new_tail_len = params->tail_len; | |
428 | else | |
429 | new_tail_len = old->tail_len; | |
430 | ||
431 | size = sizeof(*new) + new_head_len + new_tail_len; | |
432 | ||
433 | new = kzalloc(size, GFP_KERNEL); | |
434 | if (!new) | |
435 | return -ENOMEM; | |
436 | ||
437 | /* start filling the new info now */ | |
438 | ||
439 | /* new or old dtim period? */ | |
440 | if (params->dtim_period) | |
441 | new->dtim_period = params->dtim_period; | |
442 | else | |
443 | new->dtim_period = old->dtim_period; | |
444 | ||
445 | /* | |
446 | * pointers go into the block we allocated, | |
447 | * memory is | beacon_data | head | tail | | |
448 | */ | |
449 | new->head = ((u8 *) new) + sizeof(*new); | |
450 | new->tail = new->head + new_head_len; | |
451 | new->head_len = new_head_len; | |
452 | new->tail_len = new_tail_len; | |
453 | ||
454 | /* copy in head */ | |
455 | if (params->head) | |
456 | memcpy(new->head, params->head, new_head_len); | |
457 | else | |
458 | memcpy(new->head, old->head, new_head_len); | |
459 | ||
460 | /* copy in optional tail */ | |
461 | if (params->tail) | |
462 | memcpy(new->tail, params->tail, new_tail_len); | |
463 | else | |
464 | if (old) | |
465 | memcpy(new->tail, old->tail, new_tail_len); | |
466 | ||
467 | rcu_assign_pointer(sdata->u.ap.beacon, new); | |
468 | ||
469 | synchronize_rcu(); | |
470 | ||
471 | kfree(old); | |
472 | ||
9d139c81 | 473 | return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON); |
5dfdaf58 JB |
474 | } |
475 | ||
476 | static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, | |
477 | struct beacon_parameters *params) | |
478 | { | |
14db74bc | 479 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
480 | struct beacon_data *old; |
481 | ||
14db74bc JB |
482 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
483 | ||
05c914fe | 484 | if (sdata->vif.type != NL80211_IFTYPE_AP) |
5dfdaf58 JB |
485 | return -EINVAL; |
486 | ||
487 | old = sdata->u.ap.beacon; | |
488 | ||
489 | if (old) | |
490 | return -EALREADY; | |
491 | ||
492 | return ieee80211_config_beacon(sdata, params); | |
493 | } | |
494 | ||
495 | static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, | |
496 | struct beacon_parameters *params) | |
497 | { | |
14db74bc | 498 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
499 | struct beacon_data *old; |
500 | ||
14db74bc JB |
501 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
502 | ||
05c914fe | 503 | if (sdata->vif.type != NL80211_IFTYPE_AP) |
5dfdaf58 JB |
504 | return -EINVAL; |
505 | ||
506 | old = sdata->u.ap.beacon; | |
507 | ||
508 | if (!old) | |
509 | return -ENOENT; | |
510 | ||
511 | return ieee80211_config_beacon(sdata, params); | |
512 | } | |
513 | ||
514 | static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) | |
515 | { | |
14db74bc | 516 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
517 | struct beacon_data *old; |
518 | ||
14db74bc JB |
519 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
520 | ||
05c914fe | 521 | if (sdata->vif.type != NL80211_IFTYPE_AP) |
5dfdaf58 JB |
522 | return -EINVAL; |
523 | ||
524 | old = sdata->u.ap.beacon; | |
525 | ||
526 | if (!old) | |
527 | return -ENOENT; | |
528 | ||
529 | rcu_assign_pointer(sdata->u.ap.beacon, NULL); | |
530 | synchronize_rcu(); | |
531 | kfree(old); | |
532 | ||
9d139c81 | 533 | return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON); |
5dfdaf58 JB |
534 | } |
535 | ||
4fd6931e JB |
536 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
537 | struct iapp_layer2_update { | |
538 | u8 da[ETH_ALEN]; /* broadcast */ | |
539 | u8 sa[ETH_ALEN]; /* STA addr */ | |
540 | __be16 len; /* 6 */ | |
541 | u8 dsap; /* 0 */ | |
542 | u8 ssap; /* 0 */ | |
543 | u8 control; | |
544 | u8 xid_info[3]; | |
545 | } __attribute__ ((packed)); | |
546 | ||
547 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
548 | { | |
549 | struct iapp_layer2_update *msg; | |
550 | struct sk_buff *skb; | |
551 | ||
552 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
553 | * bridge devices */ | |
554 | ||
555 | skb = dev_alloc_skb(sizeof(*msg)); | |
556 | if (!skb) | |
557 | return; | |
558 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
559 | ||
560 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
561 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
562 | ||
563 | memset(msg->da, 0xff, ETH_ALEN); | |
17741cdc | 564 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
565 | msg->len = htons(6); |
566 | msg->dsap = 0; | |
567 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
568 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
569 | * F=0 (no poll command; unsolicited frame) */ | |
570 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
571 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
572 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
573 | ||
d0709a65 JB |
574 | skb->dev = sta->sdata->dev; |
575 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e JB |
576 | memset(skb->cb, 0, sizeof(skb->cb)); |
577 | netif_rx(skb); | |
578 | } | |
579 | ||
580 | static void sta_apply_parameters(struct ieee80211_local *local, | |
581 | struct sta_info *sta, | |
582 | struct station_parameters *params) | |
583 | { | |
584 | u32 rates; | |
585 | int i, j; | |
8318d78a | 586 | struct ieee80211_supported_band *sband; |
d0709a65 | 587 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
4fd6931e | 588 | |
ae5eb026 JB |
589 | sband = local->hw.wiphy->bands[local->oper_channel->band]; |
590 | ||
73651ee6 JB |
591 | /* |
592 | * FIXME: updating the flags is racy when this function is | |
593 | * called from ieee80211_change_station(), this will | |
594 | * be resolved in a future patch. | |
595 | */ | |
596 | ||
4fd6931e | 597 | if (params->station_flags & STATION_FLAG_CHANGED) { |
07346f81 | 598 | spin_lock_bh(&sta->lock); |
4fd6931e JB |
599 | sta->flags &= ~WLAN_STA_AUTHORIZED; |
600 | if (params->station_flags & STATION_FLAG_AUTHORIZED) | |
601 | sta->flags |= WLAN_STA_AUTHORIZED; | |
602 | ||
603 | sta->flags &= ~WLAN_STA_SHORT_PREAMBLE; | |
604 | if (params->station_flags & STATION_FLAG_SHORT_PREAMBLE) | |
605 | sta->flags |= WLAN_STA_SHORT_PREAMBLE; | |
606 | ||
607 | sta->flags &= ~WLAN_STA_WME; | |
608 | if (params->station_flags & STATION_FLAG_WME) | |
609 | sta->flags |= WLAN_STA_WME; | |
07346f81 | 610 | spin_unlock_bh(&sta->lock); |
4fd6931e JB |
611 | } |
612 | ||
73651ee6 JB |
613 | /* |
614 | * FIXME: updating the following information is racy when this | |
615 | * function is called from ieee80211_change_station(). | |
616 | * However, all this information should be static so | |
617 | * maybe we should just reject attemps to change it. | |
618 | */ | |
619 | ||
4fd6931e | 620 | if (params->aid) { |
17741cdc JB |
621 | sta->sta.aid = params->aid; |
622 | if (sta->sta.aid > IEEE80211_MAX_AID) | |
623 | sta->sta.aid = 0; /* XXX: should this be an error? */ | |
4fd6931e JB |
624 | } |
625 | ||
626 | if (params->listen_interval >= 0) | |
627 | sta->listen_interval = params->listen_interval; | |
628 | ||
629 | if (params->supported_rates) { | |
630 | rates = 0; | |
8318d78a | 631 | |
4fd6931e JB |
632 | for (i = 0; i < params->supported_rates_len; i++) { |
633 | int rate = (params->supported_rates[i] & 0x7f) * 5; | |
8318d78a JB |
634 | for (j = 0; j < sband->n_bitrates; j++) { |
635 | if (sband->bitrates[j].bitrate == rate) | |
4fd6931e JB |
636 | rates |= BIT(j); |
637 | } | |
638 | } | |
323ce79a | 639 | sta->sta.supp_rates[local->oper_channel->band] = rates; |
4fd6931e | 640 | } |
c5dd9c2b | 641 | |
d9fe60de | 642 | if (params->ht_capa) |
ae5eb026 JB |
643 | ieee80211_ht_cap_ie_to_sta_ht_cap(sband, |
644 | params->ht_capa, | |
d9fe60de | 645 | &sta->sta.ht_cap); |
36aedc90 | 646 | |
902acc78 | 647 | if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) { |
c5dd9c2b LCC |
648 | switch (params->plink_action) { |
649 | case PLINK_ACTION_OPEN: | |
650 | mesh_plink_open(sta); | |
651 | break; | |
652 | case PLINK_ACTION_BLOCK: | |
653 | mesh_plink_block(sta); | |
654 | break; | |
655 | } | |
902acc78 | 656 | } |
4fd6931e JB |
657 | } |
658 | ||
659 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
660 | u8 *mac, struct station_parameters *params) | |
661 | { | |
14db74bc | 662 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
663 | struct sta_info *sta; |
664 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 665 | int err; |
4fd6931e JB |
666 | |
667 | /* Prevent a race with changing the rate control algorithm */ | |
668 | if (!netif_running(dev)) | |
669 | return -ENETDOWN; | |
670 | ||
4fd6931e JB |
671 | if (params->vlan) { |
672 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
673 | ||
05c914fe JB |
674 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
675 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
676 | return -EINVAL; |
677 | } else | |
678 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
679 | ||
03e4497e JB |
680 | if (compare_ether_addr(mac, dev->dev_addr) == 0) |
681 | return -EINVAL; | |
682 | ||
683 | if (is_multicast_ether_addr(mac)) | |
684 | return -EINVAL; | |
685 | ||
686 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
687 | if (!sta) |
688 | return -ENOMEM; | |
4fd6931e JB |
689 | |
690 | sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC; | |
691 | ||
692 | sta_apply_parameters(local, sta, params); | |
693 | ||
4b7679a5 | 694 | rate_control_rate_init(sta); |
4fd6931e | 695 | |
73651ee6 JB |
696 | rcu_read_lock(); |
697 | ||
698 | err = sta_info_insert(sta); | |
699 | if (err) { | |
93e5deb1 | 700 | /* STA has been freed */ |
73651ee6 JB |
701 | rcu_read_unlock(); |
702 | return err; | |
703 | } | |
704 | ||
05c914fe JB |
705 | if (sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
706 | sdata->vif.type == NL80211_IFTYPE_AP) | |
73651ee6 JB |
707 | ieee80211_send_layer2_update(sta); |
708 | ||
709 | rcu_read_unlock(); | |
710 | ||
4fd6931e JB |
711 | return 0; |
712 | } | |
713 | ||
714 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
715 | u8 *mac) | |
716 | { | |
14db74bc JB |
717 | struct ieee80211_local *local = wiphy_priv(wiphy); |
718 | struct ieee80211_sub_if_data *sdata; | |
4fd6931e JB |
719 | struct sta_info *sta; |
720 | ||
14db74bc JB |
721 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
722 | ||
4fd6931e | 723 | if (mac) { |
98dd6a57 JB |
724 | rcu_read_lock(); |
725 | ||
4fd6931e JB |
726 | /* XXX: get sta belonging to dev */ |
727 | sta = sta_info_get(local, mac); | |
98dd6a57 JB |
728 | if (!sta) { |
729 | rcu_read_unlock(); | |
4fd6931e | 730 | return -ENOENT; |
98dd6a57 | 731 | } |
4fd6931e | 732 | |
d0709a65 | 733 | sta_info_unlink(&sta); |
98dd6a57 JB |
734 | rcu_read_unlock(); |
735 | ||
4f6fab47 | 736 | sta_info_destroy(sta); |
4fd6931e | 737 | } else |
d0709a65 | 738 | sta_info_flush(local, sdata); |
4fd6931e JB |
739 | |
740 | return 0; | |
741 | } | |
742 | ||
743 | static int ieee80211_change_station(struct wiphy *wiphy, | |
744 | struct net_device *dev, | |
745 | u8 *mac, | |
746 | struct station_parameters *params) | |
747 | { | |
14db74bc | 748 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
749 | struct sta_info *sta; |
750 | struct ieee80211_sub_if_data *vlansdata; | |
751 | ||
98dd6a57 JB |
752 | rcu_read_lock(); |
753 | ||
4fd6931e JB |
754 | /* XXX: get sta belonging to dev */ |
755 | sta = sta_info_get(local, mac); | |
98dd6a57 JB |
756 | if (!sta) { |
757 | rcu_read_unlock(); | |
4fd6931e | 758 | return -ENOENT; |
98dd6a57 | 759 | } |
4fd6931e | 760 | |
d0709a65 | 761 | if (params->vlan && params->vlan != sta->sdata->dev) { |
4fd6931e JB |
762 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
763 | ||
05c914fe JB |
764 | if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
765 | vlansdata->vif.type != NL80211_IFTYPE_AP) { | |
98dd6a57 | 766 | rcu_read_unlock(); |
4fd6931e | 767 | return -EINVAL; |
98dd6a57 | 768 | } |
4fd6931e | 769 | |
14db74bc | 770 | sta->sdata = vlansdata; |
4fd6931e JB |
771 | ieee80211_send_layer2_update(sta); |
772 | } | |
773 | ||
774 | sta_apply_parameters(local, sta, params); | |
775 | ||
98dd6a57 JB |
776 | rcu_read_unlock(); |
777 | ||
4fd6931e JB |
778 | return 0; |
779 | } | |
780 | ||
c5dd9c2b LCC |
781 | #ifdef CONFIG_MAC80211_MESH |
782 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
783 | u8 *dst, u8 *next_hop) | |
784 | { | |
14db74bc JB |
785 | struct ieee80211_local *local = wiphy_priv(wiphy); |
786 | struct ieee80211_sub_if_data *sdata; | |
c5dd9c2b LCC |
787 | struct mesh_path *mpath; |
788 | struct sta_info *sta; | |
789 | int err; | |
790 | ||
791 | if (!netif_running(dev)) | |
792 | return -ENETDOWN; | |
793 | ||
14db74bc JB |
794 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
795 | ||
05c914fe | 796 | if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT) |
c5dd9c2b LCC |
797 | return -ENOTSUPP; |
798 | ||
d0709a65 | 799 | rcu_read_lock(); |
c5dd9c2b | 800 | sta = sta_info_get(local, next_hop); |
d0709a65 JB |
801 | if (!sta) { |
802 | rcu_read_unlock(); | |
c5dd9c2b | 803 | return -ENOENT; |
d0709a65 | 804 | } |
c5dd9c2b | 805 | |
f698d856 | 806 | err = mesh_path_add(dst, sdata); |
d0709a65 JB |
807 | if (err) { |
808 | rcu_read_unlock(); | |
c5dd9c2b | 809 | return err; |
d0709a65 | 810 | } |
c5dd9c2b | 811 | |
f698d856 | 812 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
813 | if (!mpath) { |
814 | rcu_read_unlock(); | |
c5dd9c2b LCC |
815 | return -ENXIO; |
816 | } | |
817 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 818 | |
c5dd9c2b LCC |
819 | rcu_read_unlock(); |
820 | return 0; | |
821 | } | |
822 | ||
823 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
824 | u8 *dst) | |
825 | { | |
f698d856 JBG |
826 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
827 | ||
c5dd9c2b | 828 | if (dst) |
f698d856 | 829 | return mesh_path_del(dst, sdata); |
c5dd9c2b | 830 | |
f698d856 | 831 | mesh_path_flush(sdata); |
c5dd9c2b LCC |
832 | return 0; |
833 | } | |
834 | ||
835 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
836 | struct net_device *dev, | |
837 | u8 *dst, u8 *next_hop) | |
838 | { | |
14db74bc JB |
839 | struct ieee80211_local *local = wiphy_priv(wiphy); |
840 | struct ieee80211_sub_if_data *sdata; | |
c5dd9c2b LCC |
841 | struct mesh_path *mpath; |
842 | struct sta_info *sta; | |
843 | ||
844 | if (!netif_running(dev)) | |
845 | return -ENETDOWN; | |
846 | ||
14db74bc JB |
847 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
848 | ||
05c914fe | 849 | if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT) |
c5dd9c2b LCC |
850 | return -ENOTSUPP; |
851 | ||
d0709a65 JB |
852 | rcu_read_lock(); |
853 | ||
c5dd9c2b | 854 | sta = sta_info_get(local, next_hop); |
d0709a65 JB |
855 | if (!sta) { |
856 | rcu_read_unlock(); | |
c5dd9c2b | 857 | return -ENOENT; |
d0709a65 | 858 | } |
c5dd9c2b | 859 | |
f698d856 | 860 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
861 | if (!mpath) { |
862 | rcu_read_unlock(); | |
c5dd9c2b LCC |
863 | return -ENOENT; |
864 | } | |
865 | ||
866 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 867 | |
c5dd9c2b LCC |
868 | rcu_read_unlock(); |
869 | return 0; | |
870 | } | |
871 | ||
872 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
873 | struct mpath_info *pinfo) | |
874 | { | |
875 | if (mpath->next_hop) | |
17741cdc | 876 | memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN); |
c5dd9c2b LCC |
877 | else |
878 | memset(next_hop, 0, ETH_ALEN); | |
879 | ||
880 | pinfo->filled = MPATH_INFO_FRAME_QLEN | | |
881 | MPATH_INFO_DSN | | |
882 | MPATH_INFO_METRIC | | |
883 | MPATH_INFO_EXPTIME | | |
884 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
885 | MPATH_INFO_DISCOVERY_RETRIES | | |
886 | MPATH_INFO_FLAGS; | |
887 | ||
888 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
889 | pinfo->dsn = mpath->dsn; | |
890 | pinfo->metric = mpath->metric; | |
891 | if (time_before(jiffies, mpath->exp_time)) | |
892 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
893 | pinfo->discovery_timeout = | |
894 | jiffies_to_msecs(mpath->discovery_timeout); | |
895 | pinfo->discovery_retries = mpath->discovery_retries; | |
896 | pinfo->flags = 0; | |
897 | if (mpath->flags & MESH_PATH_ACTIVE) | |
898 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
899 | if (mpath->flags & MESH_PATH_RESOLVING) | |
900 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
901 | if (mpath->flags & MESH_PATH_DSN_VALID) | |
902 | pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID; | |
903 | if (mpath->flags & MESH_PATH_FIXED) | |
904 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
905 | if (mpath->flags & MESH_PATH_RESOLVING) | |
906 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
907 | ||
908 | pinfo->flags = mpath->flags; | |
909 | } | |
910 | ||
911 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
912 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
913 | ||
914 | { | |
14db74bc | 915 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
916 | struct mesh_path *mpath; |
917 | ||
14db74bc JB |
918 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
919 | ||
05c914fe | 920 | if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT) |
c5dd9c2b LCC |
921 | return -ENOTSUPP; |
922 | ||
923 | rcu_read_lock(); | |
f698d856 | 924 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
925 | if (!mpath) { |
926 | rcu_read_unlock(); | |
927 | return -ENOENT; | |
928 | } | |
929 | memcpy(dst, mpath->dst, ETH_ALEN); | |
930 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
931 | rcu_read_unlock(); | |
932 | return 0; | |
933 | } | |
934 | ||
935 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
936 | int idx, u8 *dst, u8 *next_hop, | |
937 | struct mpath_info *pinfo) | |
938 | { | |
14db74bc | 939 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
940 | struct mesh_path *mpath; |
941 | ||
14db74bc JB |
942 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
943 | ||
05c914fe | 944 | if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT) |
c5dd9c2b LCC |
945 | return -ENOTSUPP; |
946 | ||
947 | rcu_read_lock(); | |
f698d856 | 948 | mpath = mesh_path_lookup_by_idx(idx, sdata); |
c5dd9c2b LCC |
949 | if (!mpath) { |
950 | rcu_read_unlock(); | |
951 | return -ENOENT; | |
952 | } | |
953 | memcpy(dst, mpath->dst, ETH_ALEN); | |
954 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
955 | rcu_read_unlock(); | |
956 | return 0; | |
957 | } | |
93da9cc1 | 958 | |
959 | static int ieee80211_get_mesh_params(struct wiphy *wiphy, | |
960 | struct net_device *dev, | |
961 | struct mesh_config *conf) | |
962 | { | |
963 | struct ieee80211_sub_if_data *sdata; | |
964 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
965 | ||
966 | if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT) | |
967 | return -ENOTSUPP; | |
968 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); | |
969 | return 0; | |
970 | } | |
971 | ||
972 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
973 | { | |
974 | return (mask >> (parm-1)) & 0x1; | |
975 | } | |
976 | ||
977 | static int ieee80211_set_mesh_params(struct wiphy *wiphy, | |
978 | struct net_device *dev, | |
979 | const struct mesh_config *nconf, u32 mask) | |
980 | { | |
981 | struct mesh_config *conf; | |
982 | struct ieee80211_sub_if_data *sdata; | |
983 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
984 | ||
985 | if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT) | |
986 | return -ENOTSUPP; | |
987 | ||
988 | /* Set the config options which we are interested in setting */ | |
989 | conf = &(sdata->u.mesh.mshcfg); | |
990 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
991 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
992 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
993 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
994 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
995 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
996 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
997 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
998 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
999 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1000 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1001 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
1002 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) | |
1003 | conf->auto_open_plinks = nconf->auto_open_plinks; | |
1004 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) | |
1005 | conf->dot11MeshHWMPmaxPREQretries = | |
1006 | nconf->dot11MeshHWMPmaxPREQretries; | |
1007 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1008 | conf->path_refresh_time = nconf->path_refresh_time; | |
1009 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1010 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1011 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1012 | conf->dot11MeshHWMPactivePathTimeout = | |
1013 | nconf->dot11MeshHWMPactivePathTimeout; | |
1014 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1015 | conf->dot11MeshHWMPpreqMinInterval = | |
1016 | nconf->dot11MeshHWMPpreqMinInterval; | |
1017 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
1018 | mask)) | |
1019 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1020 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
1021 | return 0; | |
1022 | } | |
1023 | ||
c5dd9c2b LCC |
1024 | #endif |
1025 | ||
9f1ba906 JM |
1026 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1027 | struct net_device *dev, | |
1028 | struct bss_parameters *params) | |
1029 | { | |
9f1ba906 JM |
1030 | struct ieee80211_sub_if_data *sdata; |
1031 | u32 changed = 0; | |
1032 | ||
9f1ba906 JM |
1033 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1034 | ||
05c914fe | 1035 | if (sdata->vif.type != NL80211_IFTYPE_AP) |
9f1ba906 JM |
1036 | return -EINVAL; |
1037 | ||
1038 | if (params->use_cts_prot >= 0) { | |
bda3933a | 1039 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1040 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1041 | } | |
1042 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1043 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1044 | params->use_short_preamble; |
1045 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1046 | } | |
1047 | if (params->use_short_slot_time >= 0) { | |
bda3933a | 1048 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1049 | params->use_short_slot_time; |
1050 | changed |= BSS_CHANGED_ERP_SLOT; | |
1051 | } | |
1052 | ||
90c97a04 JM |
1053 | if (params->basic_rates) { |
1054 | int i, j; | |
1055 | u32 rates = 0; | |
1056 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1057 | struct ieee80211_supported_band *sband = | |
1058 | wiphy->bands[local->oper_channel->band]; | |
1059 | ||
1060 | for (i = 0; i < params->basic_rates_len; i++) { | |
1061 | int rate = (params->basic_rates[i] & 0x7f) * 5; | |
1062 | for (j = 0; j < sband->n_bitrates; j++) { | |
1063 | if (sband->bitrates[j].bitrate == rate) | |
1064 | rates |= BIT(j); | |
1065 | } | |
1066 | } | |
1067 | sdata->vif.bss_conf.basic_rates = rates; | |
1068 | changed |= BSS_CHANGED_BASIC_RATES; | |
1069 | } | |
1070 | ||
9f1ba906 JM |
1071 | ieee80211_bss_info_change_notify(sdata, changed); |
1072 | ||
1073 | return 0; | |
1074 | } | |
1075 | ||
31888487 JM |
1076 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
1077 | struct ieee80211_txq_params *params) | |
1078 | { | |
1079 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1080 | struct ieee80211_tx_queue_params p; | |
1081 | ||
1082 | if (!local->ops->conf_tx) | |
1083 | return -EOPNOTSUPP; | |
1084 | ||
1085 | memset(&p, 0, sizeof(p)); | |
1086 | p.aifs = params->aifs; | |
1087 | p.cw_max = params->cwmax; | |
1088 | p.cw_min = params->cwmin; | |
1089 | p.txop = params->txop; | |
1090 | if (local->ops->conf_tx(local_to_hw(local), params->queue, &p)) { | |
1091 | printk(KERN_DEBUG "%s: failed to set TX queue " | |
1092 | "parameters for queue %d\n", local->mdev->name, | |
1093 | params->queue); | |
1094 | return -EINVAL; | |
1095 | } | |
1096 | ||
1097 | return 0; | |
1098 | } | |
1099 | ||
72bdcf34 JM |
1100 | static int ieee80211_set_channel(struct wiphy *wiphy, |
1101 | struct ieee80211_channel *chan, | |
1102 | enum nl80211_sec_chan_offset sec_chan_offset) | |
1103 | { | |
1104 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1105 | ||
1106 | local->oper_channel = chan; | |
1107 | local->oper_sec_chan_offset = sec_chan_offset; | |
1108 | ||
1109 | return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); | |
1110 | } | |
1111 | ||
f0706e82 JB |
1112 | struct cfg80211_ops mac80211_config_ops = { |
1113 | .add_virtual_intf = ieee80211_add_iface, | |
1114 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 1115 | .change_virtual_intf = ieee80211_change_iface, |
e8cbb4cb JB |
1116 | .add_key = ieee80211_add_key, |
1117 | .del_key = ieee80211_del_key, | |
62da92fb | 1118 | .get_key = ieee80211_get_key, |
e8cbb4cb | 1119 | .set_default_key = ieee80211_config_default_key, |
5dfdaf58 JB |
1120 | .add_beacon = ieee80211_add_beacon, |
1121 | .set_beacon = ieee80211_set_beacon, | |
1122 | .del_beacon = ieee80211_del_beacon, | |
4fd6931e JB |
1123 | .add_station = ieee80211_add_station, |
1124 | .del_station = ieee80211_del_station, | |
1125 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 1126 | .get_station = ieee80211_get_station, |
c5dd9c2b LCC |
1127 | .dump_station = ieee80211_dump_station, |
1128 | #ifdef CONFIG_MAC80211_MESH | |
1129 | .add_mpath = ieee80211_add_mpath, | |
1130 | .del_mpath = ieee80211_del_mpath, | |
1131 | .change_mpath = ieee80211_change_mpath, | |
1132 | .get_mpath = ieee80211_get_mpath, | |
1133 | .dump_mpath = ieee80211_dump_mpath, | |
93da9cc1 | 1134 | .set_mesh_params = ieee80211_set_mesh_params, |
1135 | .get_mesh_params = ieee80211_get_mesh_params, | |
c5dd9c2b | 1136 | #endif |
9f1ba906 | 1137 | .change_bss = ieee80211_change_bss, |
31888487 | 1138 | .set_txq_params = ieee80211_set_txq_params, |
72bdcf34 | 1139 | .set_channel = ieee80211_set_channel, |
f0706e82 | 1140 | }; |