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; | |
3cfcf6ac JM |
136 | case WLAN_CIPHER_SUITE_AES_CMAC: |
137 | alg = ALG_AES_CMAC; | |
138 | break; | |
e8cbb4cb JB |
139 | default: |
140 | return -EINVAL; | |
141 | } | |
142 | ||
db4d1169 JB |
143 | key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key); |
144 | if (!key) | |
145 | return -ENOMEM; | |
146 | ||
3b96766f JB |
147 | rcu_read_lock(); |
148 | ||
e8cbb4cb JB |
149 | if (mac_addr) { |
150 | sta = sta_info_get(sdata->local, mac_addr); | |
db4d1169 JB |
151 | if (!sta) { |
152 | ieee80211_key_free(key); | |
3b96766f JB |
153 | err = -ENOENT; |
154 | goto out_unlock; | |
db4d1169 | 155 | } |
e8cbb4cb JB |
156 | } |
157 | ||
db4d1169 JB |
158 | ieee80211_key_link(key, sdata, sta); |
159 | ||
3b96766f JB |
160 | err = 0; |
161 | out_unlock: | |
162 | rcu_read_unlock(); | |
163 | ||
164 | return err; | |
e8cbb4cb JB |
165 | } |
166 | ||
167 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
168 | u8 key_idx, u8 *mac_addr) | |
169 | { | |
170 | struct ieee80211_sub_if_data *sdata; | |
171 | struct sta_info *sta; | |
172 | int ret; | |
173 | ||
174 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
175 | ||
3b96766f JB |
176 | rcu_read_lock(); |
177 | ||
e8cbb4cb | 178 | if (mac_addr) { |
3b96766f JB |
179 | ret = -ENOENT; |
180 | ||
e8cbb4cb JB |
181 | sta = sta_info_get(sdata->local, mac_addr); |
182 | if (!sta) | |
3b96766f | 183 | goto out_unlock; |
e8cbb4cb | 184 | |
db4d1169 | 185 | if (sta->key) { |
d0709a65 | 186 | ieee80211_key_free(sta->key); |
db4d1169 | 187 | WARN_ON(sta->key); |
3b96766f JB |
188 | ret = 0; |
189 | } | |
e8cbb4cb | 190 | |
3b96766f | 191 | goto out_unlock; |
e8cbb4cb JB |
192 | } |
193 | ||
3b96766f JB |
194 | if (!sdata->keys[key_idx]) { |
195 | ret = -ENOENT; | |
196 | goto out_unlock; | |
197 | } | |
e8cbb4cb | 198 | |
d0709a65 | 199 | ieee80211_key_free(sdata->keys[key_idx]); |
db4d1169 | 200 | WARN_ON(sdata->keys[key_idx]); |
e8cbb4cb | 201 | |
3b96766f JB |
202 | ret = 0; |
203 | out_unlock: | |
204 | rcu_read_unlock(); | |
205 | ||
206 | return ret; | |
e8cbb4cb JB |
207 | } |
208 | ||
62da92fb JB |
209 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
210 | u8 key_idx, u8 *mac_addr, void *cookie, | |
211 | void (*callback)(void *cookie, | |
212 | struct key_params *params)) | |
213 | { | |
14db74bc | 214 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
215 | struct sta_info *sta = NULL; |
216 | u8 seq[6] = {0}; | |
217 | struct key_params params; | |
218 | struct ieee80211_key *key; | |
219 | u32 iv32; | |
220 | u16 iv16; | |
221 | int err = -ENOENT; | |
222 | ||
14db74bc JB |
223 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
224 | ||
3b96766f JB |
225 | rcu_read_lock(); |
226 | ||
62da92fb JB |
227 | if (mac_addr) { |
228 | sta = sta_info_get(sdata->local, mac_addr); | |
229 | if (!sta) | |
230 | goto out; | |
231 | ||
232 | key = sta->key; | |
233 | } else | |
234 | key = sdata->keys[key_idx]; | |
235 | ||
236 | if (!key) | |
237 | goto out; | |
238 | ||
239 | memset(¶ms, 0, sizeof(params)); | |
240 | ||
241 | switch (key->conf.alg) { | |
242 | case ALG_TKIP: | |
243 | params.cipher = WLAN_CIPHER_SUITE_TKIP; | |
244 | ||
b0f76b33 HH |
245 | iv32 = key->u.tkip.tx.iv32; |
246 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb JB |
247 | |
248 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE && | |
249 | sdata->local->ops->get_tkip_seq) | |
250 | sdata->local->ops->get_tkip_seq( | |
251 | local_to_hw(sdata->local), | |
252 | key->conf.hw_key_idx, | |
253 | &iv32, &iv16); | |
254 | ||
255 | seq[0] = iv16 & 0xff; | |
256 | seq[1] = (iv16 >> 8) & 0xff; | |
257 | seq[2] = iv32 & 0xff; | |
258 | seq[3] = (iv32 >> 8) & 0xff; | |
259 | seq[4] = (iv32 >> 16) & 0xff; | |
260 | seq[5] = (iv32 >> 24) & 0xff; | |
261 | params.seq = seq; | |
262 | params.seq_len = 6; | |
263 | break; | |
264 | case ALG_CCMP: | |
265 | params.cipher = WLAN_CIPHER_SUITE_CCMP; | |
266 | seq[0] = key->u.ccmp.tx_pn[5]; | |
267 | seq[1] = key->u.ccmp.tx_pn[4]; | |
268 | seq[2] = key->u.ccmp.tx_pn[3]; | |
269 | seq[3] = key->u.ccmp.tx_pn[2]; | |
270 | seq[4] = key->u.ccmp.tx_pn[1]; | |
271 | seq[5] = key->u.ccmp.tx_pn[0]; | |
272 | params.seq = seq; | |
273 | params.seq_len = 6; | |
274 | break; | |
275 | case ALG_WEP: | |
276 | if (key->conf.keylen == 5) | |
277 | params.cipher = WLAN_CIPHER_SUITE_WEP40; | |
278 | else | |
279 | params.cipher = WLAN_CIPHER_SUITE_WEP104; | |
280 | break; | |
3cfcf6ac JM |
281 | case ALG_AES_CMAC: |
282 | params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; | |
283 | seq[0] = key->u.aes_cmac.tx_pn[5]; | |
284 | seq[1] = key->u.aes_cmac.tx_pn[4]; | |
285 | seq[2] = key->u.aes_cmac.tx_pn[3]; | |
286 | seq[3] = key->u.aes_cmac.tx_pn[2]; | |
287 | seq[4] = key->u.aes_cmac.tx_pn[1]; | |
288 | seq[5] = key->u.aes_cmac.tx_pn[0]; | |
289 | params.seq = seq; | |
290 | params.seq_len = 6; | |
291 | break; | |
62da92fb JB |
292 | } |
293 | ||
294 | params.key = key->conf.key; | |
295 | params.key_len = key->conf.keylen; | |
296 | ||
297 | callback(cookie, ¶ms); | |
298 | err = 0; | |
299 | ||
300 | out: | |
3b96766f | 301 | rcu_read_unlock(); |
62da92fb JB |
302 | return err; |
303 | } | |
304 | ||
e8cbb4cb JB |
305 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
306 | struct net_device *dev, | |
307 | u8 key_idx) | |
308 | { | |
309 | struct ieee80211_sub_if_data *sdata; | |
310 | ||
3b96766f JB |
311 | rcu_read_lock(); |
312 | ||
e8cbb4cb JB |
313 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
314 | ieee80211_set_default_key(sdata, key_idx); | |
315 | ||
3b96766f JB |
316 | rcu_read_unlock(); |
317 | ||
e8cbb4cb JB |
318 | return 0; |
319 | } | |
320 | ||
3cfcf6ac JM |
321 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
322 | struct net_device *dev, | |
323 | u8 key_idx) | |
324 | { | |
325 | struct ieee80211_sub_if_data *sdata; | |
326 | ||
327 | rcu_read_lock(); | |
328 | ||
329 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
330 | ieee80211_set_default_mgmt_key(sdata, key_idx); | |
331 | ||
332 | rcu_read_unlock(); | |
333 | ||
334 | return 0; | |
335 | } | |
336 | ||
c5dd9c2b LCC |
337 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
338 | { | |
d0709a65 | 339 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
c5dd9c2b LCC |
340 | |
341 | sinfo->filled = STATION_INFO_INACTIVE_TIME | | |
342 | STATION_INFO_RX_BYTES | | |
420e7fab HR |
343 | STATION_INFO_TX_BYTES | |
344 | STATION_INFO_TX_BITRATE; | |
c5dd9c2b LCC |
345 | |
346 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
347 | sinfo->rx_bytes = sta->rx_bytes; | |
348 | sinfo->tx_bytes = sta->tx_bytes; | |
349 | ||
420e7fab HR |
350 | if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) { |
351 | sinfo->filled |= STATION_INFO_SIGNAL; | |
352 | sinfo->signal = (s8)sta->last_signal; | |
353 | } | |
354 | ||
355 | sinfo->txrate.flags = 0; | |
356 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS) | |
357 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
358 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH) | |
359 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
360 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI) | |
361 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
362 | ||
363 | if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) { | |
364 | struct ieee80211_supported_band *sband; | |
365 | sband = sta->local->hw.wiphy->bands[ | |
366 | sta->local->hw.conf.channel->band]; | |
367 | sinfo->txrate.legacy = | |
368 | sband->bitrates[sta->last_tx_rate.idx].bitrate; | |
369 | } else | |
370 | sinfo->txrate.mcs = sta->last_tx_rate.idx; | |
371 | ||
902acc78 | 372 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 373 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
374 | sinfo->filled |= STATION_INFO_LLID | |
375 | STATION_INFO_PLID | | |
376 | STATION_INFO_PLINK_STATE; | |
377 | ||
378 | sinfo->llid = le16_to_cpu(sta->llid); | |
379 | sinfo->plid = le16_to_cpu(sta->plid); | |
380 | sinfo->plink_state = sta->plink_state; | |
c5dd9c2b | 381 | #endif |
902acc78 | 382 | } |
c5dd9c2b LCC |
383 | } |
384 | ||
385 | ||
386 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
387 | int idx, u8 *mac, struct station_info *sinfo) | |
388 | { | |
389 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
390 | struct sta_info *sta; | |
d0709a65 JB |
391 | int ret = -ENOENT; |
392 | ||
393 | rcu_read_lock(); | |
c5dd9c2b LCC |
394 | |
395 | sta = sta_info_get_by_idx(local, idx, dev); | |
d0709a65 JB |
396 | if (sta) { |
397 | ret = 0; | |
17741cdc | 398 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
399 | sta_set_sinfo(sta, sinfo); |
400 | } | |
c5dd9c2b | 401 | |
d0709a65 | 402 | rcu_read_unlock(); |
c5dd9c2b | 403 | |
d0709a65 | 404 | return ret; |
c5dd9c2b LCC |
405 | } |
406 | ||
7bbdd2d9 | 407 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 408 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 JB |
409 | { |
410 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
411 | struct sta_info *sta; | |
d0709a65 | 412 | int ret = -ENOENT; |
7bbdd2d9 | 413 | |
d0709a65 | 414 | rcu_read_lock(); |
7bbdd2d9 JB |
415 | |
416 | /* XXX: verify sta->dev == dev */ | |
7bbdd2d9 | 417 | |
d0709a65 JB |
418 | sta = sta_info_get(local, mac); |
419 | if (sta) { | |
420 | ret = 0; | |
421 | sta_set_sinfo(sta, sinfo); | |
422 | } | |
423 | ||
424 | rcu_read_unlock(); | |
425 | ||
426 | return ret; | |
7bbdd2d9 JB |
427 | } |
428 | ||
5dfdaf58 JB |
429 | /* |
430 | * This handles both adding a beacon and setting new beacon info | |
431 | */ | |
432 | static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, | |
433 | struct beacon_parameters *params) | |
434 | { | |
435 | struct beacon_data *new, *old; | |
436 | int new_head_len, new_tail_len; | |
437 | int size; | |
438 | int err = -EINVAL; | |
439 | ||
440 | old = sdata->u.ap.beacon; | |
441 | ||
442 | /* head must not be zero-length */ | |
443 | if (params->head && !params->head_len) | |
444 | return -EINVAL; | |
445 | ||
446 | /* | |
447 | * This is a kludge. beacon interval should really be part | |
448 | * of the beacon information. | |
449 | */ | |
450 | if (params->interval) { | |
451 | sdata->local->hw.conf.beacon_int = params->interval; | |
447107fb RC |
452 | err = ieee80211_hw_config(sdata->local, |
453 | IEEE80211_CONF_CHANGE_BEACON_INTERVAL); | |
454 | if (err < 0) | |
455 | return err; | |
5dfdaf58 JB |
456 | /* |
457 | * We updated some parameter so if below bails out | |
458 | * it's not an error. | |
459 | */ | |
460 | err = 0; | |
461 | } | |
462 | ||
463 | /* Need to have a beacon head if we don't have one yet */ | |
464 | if (!params->head && !old) | |
465 | return err; | |
466 | ||
467 | /* sorry, no way to start beaconing without dtim period */ | |
468 | if (!params->dtim_period && !old) | |
469 | return err; | |
470 | ||
471 | /* new or old head? */ | |
472 | if (params->head) | |
473 | new_head_len = params->head_len; | |
474 | else | |
475 | new_head_len = old->head_len; | |
476 | ||
477 | /* new or old tail? */ | |
478 | if (params->tail || !old) | |
479 | /* params->tail_len will be zero for !params->tail */ | |
480 | new_tail_len = params->tail_len; | |
481 | else | |
482 | new_tail_len = old->tail_len; | |
483 | ||
484 | size = sizeof(*new) + new_head_len + new_tail_len; | |
485 | ||
486 | new = kzalloc(size, GFP_KERNEL); | |
487 | if (!new) | |
488 | return -ENOMEM; | |
489 | ||
490 | /* start filling the new info now */ | |
491 | ||
492 | /* new or old dtim period? */ | |
493 | if (params->dtim_period) | |
494 | new->dtim_period = params->dtim_period; | |
495 | else | |
496 | new->dtim_period = old->dtim_period; | |
497 | ||
498 | /* | |
499 | * pointers go into the block we allocated, | |
500 | * memory is | beacon_data | head | tail | | |
501 | */ | |
502 | new->head = ((u8 *) new) + sizeof(*new); | |
503 | new->tail = new->head + new_head_len; | |
504 | new->head_len = new_head_len; | |
505 | new->tail_len = new_tail_len; | |
506 | ||
507 | /* copy in head */ | |
508 | if (params->head) | |
509 | memcpy(new->head, params->head, new_head_len); | |
510 | else | |
511 | memcpy(new->head, old->head, new_head_len); | |
512 | ||
513 | /* copy in optional tail */ | |
514 | if (params->tail) | |
515 | memcpy(new->tail, params->tail, new_tail_len); | |
516 | else | |
517 | if (old) | |
518 | memcpy(new->tail, old->tail, new_tail_len); | |
519 | ||
520 | rcu_assign_pointer(sdata->u.ap.beacon, new); | |
521 | ||
522 | synchronize_rcu(); | |
523 | ||
524 | kfree(old); | |
525 | ||
078e1e60 JB |
526 | return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON | |
527 | IEEE80211_IFCC_BEACON_ENABLED); | |
5dfdaf58 JB |
528 | } |
529 | ||
530 | static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, | |
531 | struct beacon_parameters *params) | |
532 | { | |
14db74bc | 533 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
534 | struct beacon_data *old; |
535 | ||
14db74bc JB |
536 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
537 | ||
05c914fe | 538 | if (sdata->vif.type != NL80211_IFTYPE_AP) |
5dfdaf58 JB |
539 | return -EINVAL; |
540 | ||
541 | old = sdata->u.ap.beacon; | |
542 | ||
543 | if (old) | |
544 | return -EALREADY; | |
545 | ||
546 | return ieee80211_config_beacon(sdata, params); | |
547 | } | |
548 | ||
549 | static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, | |
550 | struct beacon_parameters *params) | |
551 | { | |
14db74bc | 552 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
553 | struct beacon_data *old; |
554 | ||
14db74bc JB |
555 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
556 | ||
05c914fe | 557 | if (sdata->vif.type != NL80211_IFTYPE_AP) |
5dfdaf58 JB |
558 | return -EINVAL; |
559 | ||
560 | old = sdata->u.ap.beacon; | |
561 | ||
562 | if (!old) | |
563 | return -ENOENT; | |
564 | ||
565 | return ieee80211_config_beacon(sdata, params); | |
566 | } | |
567 | ||
568 | static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) | |
569 | { | |
14db74bc | 570 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
571 | struct beacon_data *old; |
572 | ||
14db74bc JB |
573 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
574 | ||
05c914fe | 575 | if (sdata->vif.type != NL80211_IFTYPE_AP) |
5dfdaf58 JB |
576 | return -EINVAL; |
577 | ||
578 | old = sdata->u.ap.beacon; | |
579 | ||
580 | if (!old) | |
581 | return -ENOENT; | |
582 | ||
583 | rcu_assign_pointer(sdata->u.ap.beacon, NULL); | |
584 | synchronize_rcu(); | |
585 | kfree(old); | |
586 | ||
078e1e60 | 587 | return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON_ENABLED); |
5dfdaf58 JB |
588 | } |
589 | ||
4fd6931e JB |
590 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
591 | struct iapp_layer2_update { | |
592 | u8 da[ETH_ALEN]; /* broadcast */ | |
593 | u8 sa[ETH_ALEN]; /* STA addr */ | |
594 | __be16 len; /* 6 */ | |
595 | u8 dsap; /* 0 */ | |
596 | u8 ssap; /* 0 */ | |
597 | u8 control; | |
598 | u8 xid_info[3]; | |
599 | } __attribute__ ((packed)); | |
600 | ||
601 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
602 | { | |
603 | struct iapp_layer2_update *msg; | |
604 | struct sk_buff *skb; | |
605 | ||
606 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
607 | * bridge devices */ | |
608 | ||
609 | skb = dev_alloc_skb(sizeof(*msg)); | |
610 | if (!skb) | |
611 | return; | |
612 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
613 | ||
614 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
615 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
616 | ||
617 | memset(msg->da, 0xff, ETH_ALEN); | |
17741cdc | 618 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
619 | msg->len = htons(6); |
620 | msg->dsap = 0; | |
621 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
622 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
623 | * F=0 (no poll command; unsolicited frame) */ | |
624 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
625 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
626 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
627 | ||
d0709a65 JB |
628 | skb->dev = sta->sdata->dev; |
629 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e JB |
630 | memset(skb->cb, 0, sizeof(skb->cb)); |
631 | netif_rx(skb); | |
632 | } | |
633 | ||
634 | static void sta_apply_parameters(struct ieee80211_local *local, | |
635 | struct sta_info *sta, | |
636 | struct station_parameters *params) | |
637 | { | |
638 | u32 rates; | |
639 | int i, j; | |
8318d78a | 640 | struct ieee80211_supported_band *sband; |
d0709a65 | 641 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
4fd6931e | 642 | |
ae5eb026 JB |
643 | sband = local->hw.wiphy->bands[local->oper_channel->band]; |
644 | ||
73651ee6 JB |
645 | /* |
646 | * FIXME: updating the flags is racy when this function is | |
647 | * called from ieee80211_change_station(), this will | |
648 | * be resolved in a future patch. | |
649 | */ | |
650 | ||
4fd6931e | 651 | if (params->station_flags & STATION_FLAG_CHANGED) { |
07346f81 | 652 | spin_lock_bh(&sta->lock); |
4fd6931e JB |
653 | sta->flags &= ~WLAN_STA_AUTHORIZED; |
654 | if (params->station_flags & STATION_FLAG_AUTHORIZED) | |
655 | sta->flags |= WLAN_STA_AUTHORIZED; | |
656 | ||
657 | sta->flags &= ~WLAN_STA_SHORT_PREAMBLE; | |
658 | if (params->station_flags & STATION_FLAG_SHORT_PREAMBLE) | |
659 | sta->flags |= WLAN_STA_SHORT_PREAMBLE; | |
660 | ||
661 | sta->flags &= ~WLAN_STA_WME; | |
662 | if (params->station_flags & STATION_FLAG_WME) | |
663 | sta->flags |= WLAN_STA_WME; | |
5394af4d JM |
664 | |
665 | sta->flags &= ~WLAN_STA_MFP; | |
666 | if (params->station_flags & STATION_FLAG_MFP) | |
667 | sta->flags |= WLAN_STA_MFP; | |
07346f81 | 668 | spin_unlock_bh(&sta->lock); |
4fd6931e JB |
669 | } |
670 | ||
73651ee6 JB |
671 | /* |
672 | * FIXME: updating the following information is racy when this | |
673 | * function is called from ieee80211_change_station(). | |
674 | * However, all this information should be static so | |
675 | * maybe we should just reject attemps to change it. | |
676 | */ | |
677 | ||
4fd6931e | 678 | if (params->aid) { |
17741cdc JB |
679 | sta->sta.aid = params->aid; |
680 | if (sta->sta.aid > IEEE80211_MAX_AID) | |
681 | sta->sta.aid = 0; /* XXX: should this be an error? */ | |
4fd6931e JB |
682 | } |
683 | ||
684 | if (params->listen_interval >= 0) | |
685 | sta->listen_interval = params->listen_interval; | |
686 | ||
687 | if (params->supported_rates) { | |
688 | rates = 0; | |
8318d78a | 689 | |
4fd6931e JB |
690 | for (i = 0; i < params->supported_rates_len; i++) { |
691 | int rate = (params->supported_rates[i] & 0x7f) * 5; | |
8318d78a JB |
692 | for (j = 0; j < sband->n_bitrates; j++) { |
693 | if (sband->bitrates[j].bitrate == rate) | |
4fd6931e JB |
694 | rates |= BIT(j); |
695 | } | |
696 | } | |
323ce79a | 697 | sta->sta.supp_rates[local->oper_channel->band] = rates; |
4fd6931e | 698 | } |
c5dd9c2b | 699 | |
d9fe60de | 700 | if (params->ht_capa) |
ae5eb026 JB |
701 | ieee80211_ht_cap_ie_to_sta_ht_cap(sband, |
702 | params->ht_capa, | |
d9fe60de | 703 | &sta->sta.ht_cap); |
36aedc90 | 704 | |
902acc78 | 705 | if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) { |
c5dd9c2b LCC |
706 | switch (params->plink_action) { |
707 | case PLINK_ACTION_OPEN: | |
708 | mesh_plink_open(sta); | |
709 | break; | |
710 | case PLINK_ACTION_BLOCK: | |
711 | mesh_plink_block(sta); | |
712 | break; | |
713 | } | |
902acc78 | 714 | } |
4fd6931e JB |
715 | } |
716 | ||
717 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
718 | u8 *mac, struct station_parameters *params) | |
719 | { | |
14db74bc | 720 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
721 | struct sta_info *sta; |
722 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 723 | int err; |
b8d476c8 | 724 | int layer2_update; |
4fd6931e JB |
725 | |
726 | /* Prevent a race with changing the rate control algorithm */ | |
727 | if (!netif_running(dev)) | |
728 | return -ENETDOWN; | |
729 | ||
4fd6931e JB |
730 | if (params->vlan) { |
731 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
732 | ||
05c914fe JB |
733 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
734 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
735 | return -EINVAL; |
736 | } else | |
737 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
738 | ||
03e4497e JB |
739 | if (compare_ether_addr(mac, dev->dev_addr) == 0) |
740 | return -EINVAL; | |
741 | ||
742 | if (is_multicast_ether_addr(mac)) | |
743 | return -EINVAL; | |
744 | ||
745 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
746 | if (!sta) |
747 | return -ENOMEM; | |
4fd6931e JB |
748 | |
749 | sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC; | |
750 | ||
751 | sta_apply_parameters(local, sta, params); | |
752 | ||
4b7679a5 | 753 | rate_control_rate_init(sta); |
4fd6931e | 754 | |
b8d476c8 JM |
755 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
756 | sdata->vif.type == NL80211_IFTYPE_AP; | |
757 | ||
73651ee6 JB |
758 | rcu_read_lock(); |
759 | ||
760 | err = sta_info_insert(sta); | |
761 | if (err) { | |
93e5deb1 | 762 | /* STA has been freed */ |
b8d476c8 JM |
763 | if (err == -EEXIST && layer2_update) { |
764 | /* Need to update layer 2 devices on reassociation */ | |
765 | sta = sta_info_get(local, mac); | |
766 | if (sta) | |
767 | ieee80211_send_layer2_update(sta); | |
768 | } | |
73651ee6 JB |
769 | rcu_read_unlock(); |
770 | return err; | |
771 | } | |
772 | ||
b8d476c8 | 773 | if (layer2_update) |
73651ee6 JB |
774 | ieee80211_send_layer2_update(sta); |
775 | ||
776 | rcu_read_unlock(); | |
777 | ||
4fd6931e JB |
778 | return 0; |
779 | } | |
780 | ||
781 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
782 | u8 *mac) | |
783 | { | |
14db74bc JB |
784 | struct ieee80211_local *local = wiphy_priv(wiphy); |
785 | struct ieee80211_sub_if_data *sdata; | |
4fd6931e JB |
786 | struct sta_info *sta; |
787 | ||
14db74bc JB |
788 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
789 | ||
4fd6931e | 790 | if (mac) { |
98dd6a57 JB |
791 | rcu_read_lock(); |
792 | ||
4fd6931e JB |
793 | /* XXX: get sta belonging to dev */ |
794 | sta = sta_info_get(local, mac); | |
98dd6a57 JB |
795 | if (!sta) { |
796 | rcu_read_unlock(); | |
4fd6931e | 797 | return -ENOENT; |
98dd6a57 | 798 | } |
4fd6931e | 799 | |
d0709a65 | 800 | sta_info_unlink(&sta); |
98dd6a57 JB |
801 | rcu_read_unlock(); |
802 | ||
4f6fab47 | 803 | sta_info_destroy(sta); |
4fd6931e | 804 | } else |
d0709a65 | 805 | sta_info_flush(local, sdata); |
4fd6931e JB |
806 | |
807 | return 0; | |
808 | } | |
809 | ||
810 | static int ieee80211_change_station(struct wiphy *wiphy, | |
811 | struct net_device *dev, | |
812 | u8 *mac, | |
813 | struct station_parameters *params) | |
814 | { | |
14db74bc | 815 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
816 | struct sta_info *sta; |
817 | struct ieee80211_sub_if_data *vlansdata; | |
818 | ||
98dd6a57 JB |
819 | rcu_read_lock(); |
820 | ||
4fd6931e JB |
821 | /* XXX: get sta belonging to dev */ |
822 | sta = sta_info_get(local, mac); | |
98dd6a57 JB |
823 | if (!sta) { |
824 | rcu_read_unlock(); | |
4fd6931e | 825 | return -ENOENT; |
98dd6a57 | 826 | } |
4fd6931e | 827 | |
d0709a65 | 828 | if (params->vlan && params->vlan != sta->sdata->dev) { |
4fd6931e JB |
829 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
830 | ||
05c914fe JB |
831 | if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
832 | vlansdata->vif.type != NL80211_IFTYPE_AP) { | |
98dd6a57 | 833 | rcu_read_unlock(); |
4fd6931e | 834 | return -EINVAL; |
98dd6a57 | 835 | } |
4fd6931e | 836 | |
14db74bc | 837 | sta->sdata = vlansdata; |
4fd6931e JB |
838 | ieee80211_send_layer2_update(sta); |
839 | } | |
840 | ||
841 | sta_apply_parameters(local, sta, params); | |
842 | ||
98dd6a57 JB |
843 | rcu_read_unlock(); |
844 | ||
4fd6931e JB |
845 | return 0; |
846 | } | |
847 | ||
c5dd9c2b LCC |
848 | #ifdef CONFIG_MAC80211_MESH |
849 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
850 | u8 *dst, u8 *next_hop) | |
851 | { | |
14db74bc JB |
852 | struct ieee80211_local *local = wiphy_priv(wiphy); |
853 | struct ieee80211_sub_if_data *sdata; | |
c5dd9c2b LCC |
854 | struct mesh_path *mpath; |
855 | struct sta_info *sta; | |
856 | int err; | |
857 | ||
858 | if (!netif_running(dev)) | |
859 | return -ENETDOWN; | |
860 | ||
14db74bc JB |
861 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
862 | ||
05c914fe | 863 | if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT) |
c5dd9c2b LCC |
864 | return -ENOTSUPP; |
865 | ||
d0709a65 | 866 | rcu_read_lock(); |
c5dd9c2b | 867 | sta = sta_info_get(local, next_hop); |
d0709a65 JB |
868 | if (!sta) { |
869 | rcu_read_unlock(); | |
c5dd9c2b | 870 | return -ENOENT; |
d0709a65 | 871 | } |
c5dd9c2b | 872 | |
f698d856 | 873 | err = mesh_path_add(dst, sdata); |
d0709a65 JB |
874 | if (err) { |
875 | rcu_read_unlock(); | |
c5dd9c2b | 876 | return err; |
d0709a65 | 877 | } |
c5dd9c2b | 878 | |
f698d856 | 879 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
880 | if (!mpath) { |
881 | rcu_read_unlock(); | |
c5dd9c2b LCC |
882 | return -ENXIO; |
883 | } | |
884 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 885 | |
c5dd9c2b LCC |
886 | rcu_read_unlock(); |
887 | return 0; | |
888 | } | |
889 | ||
890 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
891 | u8 *dst) | |
892 | { | |
f698d856 JBG |
893 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
894 | ||
c5dd9c2b | 895 | if (dst) |
f698d856 | 896 | return mesh_path_del(dst, sdata); |
c5dd9c2b | 897 | |
f698d856 | 898 | mesh_path_flush(sdata); |
c5dd9c2b LCC |
899 | return 0; |
900 | } | |
901 | ||
902 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
903 | struct net_device *dev, | |
904 | u8 *dst, u8 *next_hop) | |
905 | { | |
14db74bc JB |
906 | struct ieee80211_local *local = wiphy_priv(wiphy); |
907 | struct ieee80211_sub_if_data *sdata; | |
c5dd9c2b LCC |
908 | struct mesh_path *mpath; |
909 | struct sta_info *sta; | |
910 | ||
911 | if (!netif_running(dev)) | |
912 | return -ENETDOWN; | |
913 | ||
14db74bc JB |
914 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
915 | ||
05c914fe | 916 | if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT) |
c5dd9c2b LCC |
917 | return -ENOTSUPP; |
918 | ||
d0709a65 JB |
919 | rcu_read_lock(); |
920 | ||
c5dd9c2b | 921 | sta = sta_info_get(local, next_hop); |
d0709a65 JB |
922 | if (!sta) { |
923 | rcu_read_unlock(); | |
c5dd9c2b | 924 | return -ENOENT; |
d0709a65 | 925 | } |
c5dd9c2b | 926 | |
f698d856 | 927 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
928 | if (!mpath) { |
929 | rcu_read_unlock(); | |
c5dd9c2b LCC |
930 | return -ENOENT; |
931 | } | |
932 | ||
933 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 934 | |
c5dd9c2b LCC |
935 | rcu_read_unlock(); |
936 | return 0; | |
937 | } | |
938 | ||
939 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
940 | struct mpath_info *pinfo) | |
941 | { | |
942 | if (mpath->next_hop) | |
17741cdc | 943 | memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN); |
c5dd9c2b LCC |
944 | else |
945 | memset(next_hop, 0, ETH_ALEN); | |
946 | ||
947 | pinfo->filled = MPATH_INFO_FRAME_QLEN | | |
948 | MPATH_INFO_DSN | | |
949 | MPATH_INFO_METRIC | | |
950 | MPATH_INFO_EXPTIME | | |
951 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
952 | MPATH_INFO_DISCOVERY_RETRIES | | |
953 | MPATH_INFO_FLAGS; | |
954 | ||
955 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
956 | pinfo->dsn = mpath->dsn; | |
957 | pinfo->metric = mpath->metric; | |
958 | if (time_before(jiffies, mpath->exp_time)) | |
959 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
960 | pinfo->discovery_timeout = | |
961 | jiffies_to_msecs(mpath->discovery_timeout); | |
962 | pinfo->discovery_retries = mpath->discovery_retries; | |
963 | pinfo->flags = 0; | |
964 | if (mpath->flags & MESH_PATH_ACTIVE) | |
965 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
966 | if (mpath->flags & MESH_PATH_RESOLVING) | |
967 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
968 | if (mpath->flags & MESH_PATH_DSN_VALID) | |
969 | pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID; | |
970 | if (mpath->flags & MESH_PATH_FIXED) | |
971 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
972 | if (mpath->flags & MESH_PATH_RESOLVING) | |
973 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
974 | ||
975 | pinfo->flags = mpath->flags; | |
976 | } | |
977 | ||
978 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
979 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
980 | ||
981 | { | |
14db74bc | 982 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
983 | struct mesh_path *mpath; |
984 | ||
14db74bc JB |
985 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
986 | ||
05c914fe | 987 | if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT) |
c5dd9c2b LCC |
988 | return -ENOTSUPP; |
989 | ||
990 | rcu_read_lock(); | |
f698d856 | 991 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
992 | if (!mpath) { |
993 | rcu_read_unlock(); | |
994 | return -ENOENT; | |
995 | } | |
996 | memcpy(dst, mpath->dst, ETH_ALEN); | |
997 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
998 | rcu_read_unlock(); | |
999 | return 0; | |
1000 | } | |
1001 | ||
1002 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
1003 | int idx, u8 *dst, u8 *next_hop, | |
1004 | struct mpath_info *pinfo) | |
1005 | { | |
14db74bc | 1006 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
1007 | struct mesh_path *mpath; |
1008 | ||
14db74bc JB |
1009 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1010 | ||
05c914fe | 1011 | if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT) |
c5dd9c2b LCC |
1012 | return -ENOTSUPP; |
1013 | ||
1014 | rcu_read_lock(); | |
f698d856 | 1015 | mpath = mesh_path_lookup_by_idx(idx, sdata); |
c5dd9c2b LCC |
1016 | if (!mpath) { |
1017 | rcu_read_unlock(); | |
1018 | return -ENOENT; | |
1019 | } | |
1020 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1021 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1022 | rcu_read_unlock(); | |
1023 | return 0; | |
1024 | } | |
93da9cc1 | 1025 | |
1026 | static int ieee80211_get_mesh_params(struct wiphy *wiphy, | |
1027 | struct net_device *dev, | |
1028 | struct mesh_config *conf) | |
1029 | { | |
1030 | struct ieee80211_sub_if_data *sdata; | |
1031 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1032 | ||
1033 | if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT) | |
1034 | return -ENOTSUPP; | |
1035 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); | |
1036 | return 0; | |
1037 | } | |
1038 | ||
1039 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1040 | { | |
1041 | return (mask >> (parm-1)) & 0x1; | |
1042 | } | |
1043 | ||
1044 | static int ieee80211_set_mesh_params(struct wiphy *wiphy, | |
1045 | struct net_device *dev, | |
1046 | const struct mesh_config *nconf, u32 mask) | |
1047 | { | |
1048 | struct mesh_config *conf; | |
1049 | struct ieee80211_sub_if_data *sdata; | |
1050 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1051 | ||
1052 | if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT) | |
1053 | return -ENOTSUPP; | |
1054 | ||
1055 | /* Set the config options which we are interested in setting */ | |
1056 | conf = &(sdata->u.mesh.mshcfg); | |
1057 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1058 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1059 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1060 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1061 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1062 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1063 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1064 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1065 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1066 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1067 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1068 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
1069 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) | |
1070 | conf->auto_open_plinks = nconf->auto_open_plinks; | |
1071 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) | |
1072 | conf->dot11MeshHWMPmaxPREQretries = | |
1073 | nconf->dot11MeshHWMPmaxPREQretries; | |
1074 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1075 | conf->path_refresh_time = nconf->path_refresh_time; | |
1076 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1077 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1078 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1079 | conf->dot11MeshHWMPactivePathTimeout = | |
1080 | nconf->dot11MeshHWMPactivePathTimeout; | |
1081 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1082 | conf->dot11MeshHWMPpreqMinInterval = | |
1083 | nconf->dot11MeshHWMPpreqMinInterval; | |
1084 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
1085 | mask)) | |
1086 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1087 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
1088 | return 0; | |
1089 | } | |
1090 | ||
c5dd9c2b LCC |
1091 | #endif |
1092 | ||
9f1ba906 JM |
1093 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1094 | struct net_device *dev, | |
1095 | struct bss_parameters *params) | |
1096 | { | |
9f1ba906 JM |
1097 | struct ieee80211_sub_if_data *sdata; |
1098 | u32 changed = 0; | |
1099 | ||
9f1ba906 JM |
1100 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1101 | ||
05c914fe | 1102 | if (sdata->vif.type != NL80211_IFTYPE_AP) |
9f1ba906 JM |
1103 | return -EINVAL; |
1104 | ||
1105 | if (params->use_cts_prot >= 0) { | |
bda3933a | 1106 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1107 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1108 | } | |
1109 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1110 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1111 | params->use_short_preamble; |
1112 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1113 | } | |
1114 | if (params->use_short_slot_time >= 0) { | |
bda3933a | 1115 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1116 | params->use_short_slot_time; |
1117 | changed |= BSS_CHANGED_ERP_SLOT; | |
1118 | } | |
1119 | ||
90c97a04 JM |
1120 | if (params->basic_rates) { |
1121 | int i, j; | |
1122 | u32 rates = 0; | |
1123 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1124 | struct ieee80211_supported_band *sband = | |
1125 | wiphy->bands[local->oper_channel->band]; | |
1126 | ||
1127 | for (i = 0; i < params->basic_rates_len; i++) { | |
1128 | int rate = (params->basic_rates[i] & 0x7f) * 5; | |
1129 | for (j = 0; j < sband->n_bitrates; j++) { | |
1130 | if (sband->bitrates[j].bitrate == rate) | |
1131 | rates |= BIT(j); | |
1132 | } | |
1133 | } | |
1134 | sdata->vif.bss_conf.basic_rates = rates; | |
1135 | changed |= BSS_CHANGED_BASIC_RATES; | |
1136 | } | |
1137 | ||
9f1ba906 JM |
1138 | ieee80211_bss_info_change_notify(sdata, changed); |
1139 | ||
1140 | return 0; | |
1141 | } | |
1142 | ||
31888487 JM |
1143 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
1144 | struct ieee80211_txq_params *params) | |
1145 | { | |
1146 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1147 | struct ieee80211_tx_queue_params p; | |
1148 | ||
1149 | if (!local->ops->conf_tx) | |
1150 | return -EOPNOTSUPP; | |
1151 | ||
1152 | memset(&p, 0, sizeof(p)); | |
1153 | p.aifs = params->aifs; | |
1154 | p.cw_max = params->cwmax; | |
1155 | p.cw_min = params->cwmin; | |
1156 | p.txop = params->txop; | |
1157 | if (local->ops->conf_tx(local_to_hw(local), params->queue, &p)) { | |
1158 | printk(KERN_DEBUG "%s: failed to set TX queue " | |
1159 | "parameters for queue %d\n", local->mdev->name, | |
1160 | params->queue); | |
1161 | return -EINVAL; | |
1162 | } | |
1163 | ||
1164 | return 0; | |
1165 | } | |
1166 | ||
72bdcf34 JM |
1167 | static int ieee80211_set_channel(struct wiphy *wiphy, |
1168 | struct ieee80211_channel *chan, | |
094d05dc | 1169 | enum nl80211_channel_type channel_type) |
72bdcf34 JM |
1170 | { |
1171 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1172 | ||
1173 | local->oper_channel = chan; | |
094d05dc | 1174 | local->oper_channel_type = channel_type; |
72bdcf34 JM |
1175 | |
1176 | return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); | |
1177 | } | |
1178 | ||
60b22511 JB |
1179 | static int set_mgmt_extra_ie_sta(struct ieee80211_sub_if_data *sdata, |
1180 | u8 subtype, u8 *ies, size_t ies_len) | |
9aed3cc1 | 1181 | { |
60b22511 JB |
1182 | struct ieee80211_local *local = sdata->local; |
1183 | struct ieee80211_if_sta *ifsta = &sdata->u.sta; | |
1184 | ||
9aed3cc1 JM |
1185 | switch (subtype) { |
1186 | case IEEE80211_STYPE_PROBE_REQ >> 4: | |
60b22511 JB |
1187 | if (local->ops->hw_scan) |
1188 | break; | |
9aed3cc1 JM |
1189 | kfree(ifsta->ie_probereq); |
1190 | ifsta->ie_probereq = ies; | |
1191 | ifsta->ie_probereq_len = ies_len; | |
1192 | return 0; | |
1193 | case IEEE80211_STYPE_PROBE_RESP >> 4: | |
1194 | kfree(ifsta->ie_proberesp); | |
1195 | ifsta->ie_proberesp = ies; | |
1196 | ifsta->ie_proberesp_len = ies_len; | |
1197 | return 0; | |
1198 | case IEEE80211_STYPE_AUTH >> 4: | |
1199 | kfree(ifsta->ie_auth); | |
1200 | ifsta->ie_auth = ies; | |
1201 | ifsta->ie_auth_len = ies_len; | |
1202 | return 0; | |
1203 | case IEEE80211_STYPE_ASSOC_REQ >> 4: | |
1204 | kfree(ifsta->ie_assocreq); | |
1205 | ifsta->ie_assocreq = ies; | |
1206 | ifsta->ie_assocreq_len = ies_len; | |
1207 | return 0; | |
1208 | case IEEE80211_STYPE_REASSOC_REQ >> 4: | |
1209 | kfree(ifsta->ie_reassocreq); | |
1210 | ifsta->ie_reassocreq = ies; | |
1211 | ifsta->ie_reassocreq_len = ies_len; | |
1212 | return 0; | |
1213 | case IEEE80211_STYPE_DEAUTH >> 4: | |
1214 | kfree(ifsta->ie_deauth); | |
1215 | ifsta->ie_deauth = ies; | |
1216 | ifsta->ie_deauth_len = ies_len; | |
1217 | return 0; | |
1218 | case IEEE80211_STYPE_DISASSOC >> 4: | |
1219 | kfree(ifsta->ie_disassoc); | |
1220 | ifsta->ie_disassoc = ies; | |
1221 | ifsta->ie_disassoc_len = ies_len; | |
1222 | return 0; | |
1223 | } | |
1224 | ||
1225 | return -EOPNOTSUPP; | |
1226 | } | |
1227 | ||
1228 | static int ieee80211_set_mgmt_extra_ie(struct wiphy *wiphy, | |
1229 | struct net_device *dev, | |
1230 | struct mgmt_extra_ie_params *params) | |
1231 | { | |
1232 | struct ieee80211_sub_if_data *sdata; | |
1233 | u8 *ies; | |
1234 | size_t ies_len; | |
1235 | int ret = -EOPNOTSUPP; | |
1236 | ||
1237 | if (params->ies) { | |
1238 | ies = kmemdup(params->ies, params->ies_len, GFP_KERNEL); | |
1239 | if (ies == NULL) | |
1240 | return -ENOMEM; | |
1241 | ies_len = params->ies_len; | |
1242 | } else { | |
1243 | ies = NULL; | |
1244 | ies_len = 0; | |
1245 | } | |
1246 | ||
1247 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1248 | ||
1249 | switch (sdata->vif.type) { | |
1250 | case NL80211_IFTYPE_STATION: | |
1251 | case NL80211_IFTYPE_ADHOC: | |
60b22511 | 1252 | ret = set_mgmt_extra_ie_sta(sdata, params->subtype, |
9aed3cc1 JM |
1253 | ies, ies_len); |
1254 | break; | |
1255 | default: | |
1256 | ret = -EOPNOTSUPP; | |
1257 | break; | |
1258 | } | |
1259 | ||
1260 | if (ret) | |
1261 | kfree(ies); | |
1262 | return ret; | |
1263 | } | |
1264 | ||
665af4fc BC |
1265 | #ifdef CONFIG_PM |
1266 | static int ieee80211_suspend(struct wiphy *wiphy) | |
1267 | { | |
1268 | return __ieee80211_suspend(wiphy_priv(wiphy)); | |
1269 | } | |
1270 | ||
1271 | static int ieee80211_resume(struct wiphy *wiphy) | |
1272 | { | |
1273 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1274 | } | |
1275 | #else | |
1276 | #define ieee80211_suspend NULL | |
1277 | #define ieee80211_resume NULL | |
1278 | #endif | |
1279 | ||
f0706e82 JB |
1280 | struct cfg80211_ops mac80211_config_ops = { |
1281 | .add_virtual_intf = ieee80211_add_iface, | |
1282 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 1283 | .change_virtual_intf = ieee80211_change_iface, |
e8cbb4cb JB |
1284 | .add_key = ieee80211_add_key, |
1285 | .del_key = ieee80211_del_key, | |
62da92fb | 1286 | .get_key = ieee80211_get_key, |
e8cbb4cb | 1287 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 1288 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
5dfdaf58 JB |
1289 | .add_beacon = ieee80211_add_beacon, |
1290 | .set_beacon = ieee80211_set_beacon, | |
1291 | .del_beacon = ieee80211_del_beacon, | |
4fd6931e JB |
1292 | .add_station = ieee80211_add_station, |
1293 | .del_station = ieee80211_del_station, | |
1294 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 1295 | .get_station = ieee80211_get_station, |
c5dd9c2b LCC |
1296 | .dump_station = ieee80211_dump_station, |
1297 | #ifdef CONFIG_MAC80211_MESH | |
1298 | .add_mpath = ieee80211_add_mpath, | |
1299 | .del_mpath = ieee80211_del_mpath, | |
1300 | .change_mpath = ieee80211_change_mpath, | |
1301 | .get_mpath = ieee80211_get_mpath, | |
1302 | .dump_mpath = ieee80211_dump_mpath, | |
93da9cc1 | 1303 | .set_mesh_params = ieee80211_set_mesh_params, |
1304 | .get_mesh_params = ieee80211_get_mesh_params, | |
c5dd9c2b | 1305 | #endif |
9f1ba906 | 1306 | .change_bss = ieee80211_change_bss, |
31888487 | 1307 | .set_txq_params = ieee80211_set_txq_params, |
72bdcf34 | 1308 | .set_channel = ieee80211_set_channel, |
9aed3cc1 | 1309 | .set_mgmt_extra_ie = ieee80211_set_mgmt_extra_ie, |
665af4fc BC |
1310 | .suspend = ieee80211_suspend, |
1311 | .resume = ieee80211_resume, | |
f0706e82 | 1312 | }; |