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" | |
24487981 | 16 | #include "driver-ops.h" |
e0eb6859 | 17 | #include "cfg.h" |
2c8dccc7 | 18 | #include "rate.h" |
c5dd9c2b | 19 | #include "mesh.h" |
c5dd9c2b | 20 | |
05c914fe | 21 | static bool nl80211_type_check(enum nl80211_iftype type) |
42613db7 JB |
22 | { |
23 | switch (type) { | |
42613db7 | 24 | case NL80211_IFTYPE_ADHOC: |
42613db7 | 25 | case NL80211_IFTYPE_STATION: |
42613db7 | 26 | case NL80211_IFTYPE_MONITOR: |
c5dd9c2b LCC |
27 | #ifdef CONFIG_MAC80211_MESH |
28 | case NL80211_IFTYPE_MESH_POINT: | |
c5dd9c2b | 29 | #endif |
fbf18927 JM |
30 | case NL80211_IFTYPE_AP: |
31 | case NL80211_IFTYPE_AP_VLAN: | |
b454048c | 32 | case NL80211_IFTYPE_WDS: |
05c914fe | 33 | return true; |
42613db7 | 34 | default: |
05c914fe | 35 | return false; |
42613db7 JB |
36 | } |
37 | } | |
38 | ||
f14543ee FF |
39 | static bool nl80211_params_check(enum nl80211_iftype type, |
40 | struct vif_params *params) | |
41 | { | |
42 | if (!nl80211_type_check(type)) | |
43 | return false; | |
44 | ||
45 | if (params->use_4addr > 0) { | |
46 | switch(type) { | |
47 | case NL80211_IFTYPE_AP_VLAN: | |
48 | case NL80211_IFTYPE_STATION: | |
49 | break; | |
50 | default: | |
51 | return false; | |
52 | } | |
53 | } | |
54 | return true; | |
55 | } | |
56 | ||
f0706e82 | 57 | static int ieee80211_add_iface(struct wiphy *wiphy, char *name, |
2ec600d6 LCC |
58 | enum nl80211_iftype type, u32 *flags, |
59 | struct vif_params *params) | |
f0706e82 JB |
60 | { |
61 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
8cc9a739 MW |
62 | struct net_device *dev; |
63 | struct ieee80211_sub_if_data *sdata; | |
64 | int err; | |
f0706e82 | 65 | |
f14543ee | 66 | if (!nl80211_params_check(type, params)) |
f0706e82 | 67 | return -EINVAL; |
f0706e82 | 68 | |
05c914fe JB |
69 | err = ieee80211_if_add(local, name, &dev, type, params); |
70 | if (err || type != NL80211_IFTYPE_MONITOR || !flags) | |
8cc9a739 MW |
71 | return err; |
72 | ||
73 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
74 | sdata->u.mntr_flags = *flags; | |
75 | return 0; | |
f0706e82 JB |
76 | } |
77 | ||
463d0183 | 78 | static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev) |
f0706e82 | 79 | { |
463d0183 | 80 | ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev)); |
f0706e82 | 81 | |
75636525 | 82 | return 0; |
f0706e82 JB |
83 | } |
84 | ||
e36d56b6 JB |
85 | static int ieee80211_change_iface(struct wiphy *wiphy, |
86 | struct net_device *dev, | |
2ec600d6 LCC |
87 | enum nl80211_iftype type, u32 *flags, |
88 | struct vif_params *params) | |
42613db7 | 89 | { |
42613db7 | 90 | struct ieee80211_sub_if_data *sdata; |
f3947e2d | 91 | int ret; |
42613db7 | 92 | |
c1f9a764 JB |
93 | if (netif_running(dev)) |
94 | return -EBUSY; | |
95 | ||
f14543ee | 96 | if (!nl80211_params_check(type, params)) |
42613db7 JB |
97 | return -EINVAL; |
98 | ||
99 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
100 | ||
05c914fe | 101 | ret = ieee80211_if_change_type(sdata, type); |
f3947e2d JB |
102 | if (ret) |
103 | return ret; | |
42613db7 | 104 | |
902acc78 | 105 | if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len) |
472dbc45 JB |
106 | ieee80211_sdata_set_mesh_id(sdata, |
107 | params->mesh_id_len, | |
108 | params->mesh_id); | |
c5dd9c2b | 109 | |
f14543ee FF |
110 | if (params->use_4addr >= 0) |
111 | sdata->use_4addr = !!params->use_4addr; | |
112 | ||
05c914fe | 113 | if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags) |
8cc9a739 MW |
114 | return 0; |
115 | ||
116 | sdata->u.mntr_flags = *flags; | |
42613db7 JB |
117 | return 0; |
118 | } | |
119 | ||
e8cbb4cb | 120 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
4e943900 | 121 | u8 key_idx, const u8 *mac_addr, |
e8cbb4cb JB |
122 | struct key_params *params) |
123 | { | |
124 | struct ieee80211_sub_if_data *sdata; | |
125 | struct sta_info *sta = NULL; | |
126 | enum ieee80211_key_alg alg; | |
db4d1169 | 127 | struct ieee80211_key *key; |
3b96766f | 128 | int err; |
e8cbb4cb JB |
129 | |
130 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
131 | ||
132 | switch (params->cipher) { | |
133 | case WLAN_CIPHER_SUITE_WEP40: | |
134 | case WLAN_CIPHER_SUITE_WEP104: | |
135 | alg = ALG_WEP; | |
136 | break; | |
137 | case WLAN_CIPHER_SUITE_TKIP: | |
138 | alg = ALG_TKIP; | |
139 | break; | |
140 | case WLAN_CIPHER_SUITE_CCMP: | |
141 | alg = ALG_CCMP; | |
142 | break; | |
3cfcf6ac JM |
143 | case WLAN_CIPHER_SUITE_AES_CMAC: |
144 | alg = ALG_AES_CMAC; | |
145 | break; | |
e8cbb4cb JB |
146 | default: |
147 | return -EINVAL; | |
148 | } | |
149 | ||
faa8fdc8 JM |
150 | key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key, |
151 | params->seq_len, params->seq); | |
db4d1169 JB |
152 | if (!key) |
153 | return -ENOMEM; | |
154 | ||
3b96766f JB |
155 | rcu_read_lock(); |
156 | ||
e8cbb4cb JB |
157 | if (mac_addr) { |
158 | sta = sta_info_get(sdata->local, mac_addr); | |
db4d1169 JB |
159 | if (!sta) { |
160 | ieee80211_key_free(key); | |
3b96766f JB |
161 | err = -ENOENT; |
162 | goto out_unlock; | |
db4d1169 | 163 | } |
e8cbb4cb JB |
164 | } |
165 | ||
db4d1169 JB |
166 | ieee80211_key_link(key, sdata, sta); |
167 | ||
3b96766f JB |
168 | err = 0; |
169 | out_unlock: | |
170 | rcu_read_unlock(); | |
171 | ||
172 | return err; | |
e8cbb4cb JB |
173 | } |
174 | ||
175 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
4e943900 | 176 | u8 key_idx, const u8 *mac_addr) |
e8cbb4cb JB |
177 | { |
178 | struct ieee80211_sub_if_data *sdata; | |
179 | struct sta_info *sta; | |
180 | int ret; | |
181 | ||
182 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
183 | ||
3b96766f JB |
184 | rcu_read_lock(); |
185 | ||
e8cbb4cb | 186 | if (mac_addr) { |
3b96766f JB |
187 | ret = -ENOENT; |
188 | ||
e8cbb4cb JB |
189 | sta = sta_info_get(sdata->local, mac_addr); |
190 | if (!sta) | |
3b96766f | 191 | goto out_unlock; |
e8cbb4cb | 192 | |
db4d1169 | 193 | if (sta->key) { |
d0709a65 | 194 | ieee80211_key_free(sta->key); |
db4d1169 | 195 | WARN_ON(sta->key); |
3b96766f JB |
196 | ret = 0; |
197 | } | |
e8cbb4cb | 198 | |
3b96766f | 199 | goto out_unlock; |
e8cbb4cb JB |
200 | } |
201 | ||
3b96766f JB |
202 | if (!sdata->keys[key_idx]) { |
203 | ret = -ENOENT; | |
204 | goto out_unlock; | |
205 | } | |
e8cbb4cb | 206 | |
d0709a65 | 207 | ieee80211_key_free(sdata->keys[key_idx]); |
db4d1169 | 208 | WARN_ON(sdata->keys[key_idx]); |
e8cbb4cb | 209 | |
3b96766f JB |
210 | ret = 0; |
211 | out_unlock: | |
212 | rcu_read_unlock(); | |
213 | ||
214 | return ret; | |
e8cbb4cb JB |
215 | } |
216 | ||
62da92fb | 217 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
4e943900 | 218 | u8 key_idx, const u8 *mac_addr, void *cookie, |
62da92fb JB |
219 | void (*callback)(void *cookie, |
220 | struct key_params *params)) | |
221 | { | |
14db74bc | 222 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
223 | struct sta_info *sta = NULL; |
224 | u8 seq[6] = {0}; | |
225 | struct key_params params; | |
226 | struct ieee80211_key *key; | |
227 | u32 iv32; | |
228 | u16 iv16; | |
229 | int err = -ENOENT; | |
230 | ||
14db74bc JB |
231 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
232 | ||
3b96766f JB |
233 | rcu_read_lock(); |
234 | ||
62da92fb JB |
235 | if (mac_addr) { |
236 | sta = sta_info_get(sdata->local, mac_addr); | |
237 | if (!sta) | |
238 | goto out; | |
239 | ||
240 | key = sta->key; | |
241 | } else | |
242 | key = sdata->keys[key_idx]; | |
243 | ||
244 | if (!key) | |
245 | goto out; | |
246 | ||
247 | memset(¶ms, 0, sizeof(params)); | |
248 | ||
249 | switch (key->conf.alg) { | |
250 | case ALG_TKIP: | |
251 | params.cipher = WLAN_CIPHER_SUITE_TKIP; | |
252 | ||
b0f76b33 HH |
253 | iv32 = key->u.tkip.tx.iv32; |
254 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 255 | |
24487981 JB |
256 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
257 | drv_get_tkip_seq(sdata->local, | |
258 | key->conf.hw_key_idx, | |
259 | &iv32, &iv16); | |
62da92fb JB |
260 | |
261 | seq[0] = iv16 & 0xff; | |
262 | seq[1] = (iv16 >> 8) & 0xff; | |
263 | seq[2] = iv32 & 0xff; | |
264 | seq[3] = (iv32 >> 8) & 0xff; | |
265 | seq[4] = (iv32 >> 16) & 0xff; | |
266 | seq[5] = (iv32 >> 24) & 0xff; | |
267 | params.seq = seq; | |
268 | params.seq_len = 6; | |
269 | break; | |
270 | case ALG_CCMP: | |
271 | params.cipher = WLAN_CIPHER_SUITE_CCMP; | |
272 | seq[0] = key->u.ccmp.tx_pn[5]; | |
273 | seq[1] = key->u.ccmp.tx_pn[4]; | |
274 | seq[2] = key->u.ccmp.tx_pn[3]; | |
275 | seq[3] = key->u.ccmp.tx_pn[2]; | |
276 | seq[4] = key->u.ccmp.tx_pn[1]; | |
277 | seq[5] = key->u.ccmp.tx_pn[0]; | |
278 | params.seq = seq; | |
279 | params.seq_len = 6; | |
280 | break; | |
281 | case ALG_WEP: | |
282 | if (key->conf.keylen == 5) | |
283 | params.cipher = WLAN_CIPHER_SUITE_WEP40; | |
284 | else | |
285 | params.cipher = WLAN_CIPHER_SUITE_WEP104; | |
286 | break; | |
3cfcf6ac JM |
287 | case ALG_AES_CMAC: |
288 | params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; | |
289 | seq[0] = key->u.aes_cmac.tx_pn[5]; | |
290 | seq[1] = key->u.aes_cmac.tx_pn[4]; | |
291 | seq[2] = key->u.aes_cmac.tx_pn[3]; | |
292 | seq[3] = key->u.aes_cmac.tx_pn[2]; | |
293 | seq[4] = key->u.aes_cmac.tx_pn[1]; | |
294 | seq[5] = key->u.aes_cmac.tx_pn[0]; | |
295 | params.seq = seq; | |
296 | params.seq_len = 6; | |
297 | break; | |
62da92fb JB |
298 | } |
299 | ||
300 | params.key = key->conf.key; | |
301 | params.key_len = key->conf.keylen; | |
302 | ||
303 | callback(cookie, ¶ms); | |
304 | err = 0; | |
305 | ||
306 | out: | |
3b96766f | 307 | rcu_read_unlock(); |
62da92fb JB |
308 | return err; |
309 | } | |
310 | ||
e8cbb4cb JB |
311 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
312 | struct net_device *dev, | |
313 | u8 key_idx) | |
314 | { | |
315 | struct ieee80211_sub_if_data *sdata; | |
316 | ||
3b96766f JB |
317 | rcu_read_lock(); |
318 | ||
e8cbb4cb JB |
319 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
320 | ieee80211_set_default_key(sdata, key_idx); | |
321 | ||
3b96766f JB |
322 | rcu_read_unlock(); |
323 | ||
e8cbb4cb JB |
324 | return 0; |
325 | } | |
326 | ||
3cfcf6ac JM |
327 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
328 | struct net_device *dev, | |
329 | u8 key_idx) | |
330 | { | |
331 | struct ieee80211_sub_if_data *sdata; | |
332 | ||
333 | rcu_read_lock(); | |
334 | ||
335 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
336 | ieee80211_set_default_mgmt_key(sdata, key_idx); | |
337 | ||
338 | rcu_read_unlock(); | |
339 | ||
340 | return 0; | |
341 | } | |
342 | ||
c5dd9c2b LCC |
343 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
344 | { | |
d0709a65 | 345 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
c5dd9c2b | 346 | |
f5ea9120 JB |
347 | sinfo->generation = sdata->local->sta_generation; |
348 | ||
c5dd9c2b LCC |
349 | sinfo->filled = STATION_INFO_INACTIVE_TIME | |
350 | STATION_INFO_RX_BYTES | | |
420e7fab | 351 | STATION_INFO_TX_BYTES | |
98c8a60a JM |
352 | STATION_INFO_RX_PACKETS | |
353 | STATION_INFO_TX_PACKETS | | |
420e7fab | 354 | STATION_INFO_TX_BITRATE; |
c5dd9c2b LCC |
355 | |
356 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
357 | sinfo->rx_bytes = sta->rx_bytes; | |
358 | sinfo->tx_bytes = sta->tx_bytes; | |
98c8a60a JM |
359 | sinfo->rx_packets = sta->rx_packets; |
360 | sinfo->tx_packets = sta->tx_packets; | |
c5dd9c2b | 361 | |
420e7fab HR |
362 | if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) { |
363 | sinfo->filled |= STATION_INFO_SIGNAL; | |
364 | sinfo->signal = (s8)sta->last_signal; | |
365 | } | |
366 | ||
367 | sinfo->txrate.flags = 0; | |
368 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS) | |
369 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
370 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH) | |
371 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
372 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI) | |
373 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
374 | ||
375 | if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) { | |
376 | struct ieee80211_supported_band *sband; | |
377 | sband = sta->local->hw.wiphy->bands[ | |
378 | sta->local->hw.conf.channel->band]; | |
379 | sinfo->txrate.legacy = | |
380 | sband->bitrates[sta->last_tx_rate.idx].bitrate; | |
381 | } else | |
382 | sinfo->txrate.mcs = sta->last_tx_rate.idx; | |
383 | ||
902acc78 | 384 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 385 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
386 | sinfo->filled |= STATION_INFO_LLID | |
387 | STATION_INFO_PLID | | |
388 | STATION_INFO_PLINK_STATE; | |
389 | ||
390 | sinfo->llid = le16_to_cpu(sta->llid); | |
391 | sinfo->plid = le16_to_cpu(sta->plid); | |
392 | sinfo->plink_state = sta->plink_state; | |
c5dd9c2b | 393 | #endif |
902acc78 | 394 | } |
c5dd9c2b LCC |
395 | } |
396 | ||
397 | ||
398 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
399 | int idx, u8 *mac, struct station_info *sinfo) | |
400 | { | |
401 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
402 | struct sta_info *sta; | |
d0709a65 JB |
403 | int ret = -ENOENT; |
404 | ||
405 | rcu_read_lock(); | |
c5dd9c2b LCC |
406 | |
407 | sta = sta_info_get_by_idx(local, idx, dev); | |
d0709a65 JB |
408 | if (sta) { |
409 | ret = 0; | |
17741cdc | 410 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
411 | sta_set_sinfo(sta, sinfo); |
412 | } | |
c5dd9c2b | 413 | |
d0709a65 | 414 | rcu_read_unlock(); |
c5dd9c2b | 415 | |
d0709a65 | 416 | return ret; |
c5dd9c2b LCC |
417 | } |
418 | ||
7bbdd2d9 | 419 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 420 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 JB |
421 | { |
422 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
423 | struct sta_info *sta; | |
d0709a65 | 424 | int ret = -ENOENT; |
7bbdd2d9 | 425 | |
d0709a65 | 426 | rcu_read_lock(); |
7bbdd2d9 JB |
427 | |
428 | /* XXX: verify sta->dev == dev */ | |
7bbdd2d9 | 429 | |
d0709a65 JB |
430 | sta = sta_info_get(local, mac); |
431 | if (sta) { | |
432 | ret = 0; | |
433 | sta_set_sinfo(sta, sinfo); | |
434 | } | |
435 | ||
436 | rcu_read_unlock(); | |
437 | ||
438 | return ret; | |
7bbdd2d9 JB |
439 | } |
440 | ||
5dfdaf58 JB |
441 | /* |
442 | * This handles both adding a beacon and setting new beacon info | |
443 | */ | |
444 | static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, | |
445 | struct beacon_parameters *params) | |
446 | { | |
447 | struct beacon_data *new, *old; | |
448 | int new_head_len, new_tail_len; | |
449 | int size; | |
450 | int err = -EINVAL; | |
451 | ||
452 | old = sdata->u.ap.beacon; | |
453 | ||
454 | /* head must not be zero-length */ | |
455 | if (params->head && !params->head_len) | |
456 | return -EINVAL; | |
457 | ||
458 | /* | |
459 | * This is a kludge. beacon interval should really be part | |
460 | * of the beacon information. | |
461 | */ | |
57c4d7b4 JB |
462 | if (params->interval && |
463 | (sdata->vif.bss_conf.beacon_int != params->interval)) { | |
464 | sdata->vif.bss_conf.beacon_int = params->interval; | |
465 | ieee80211_bss_info_change_notify(sdata, | |
466 | BSS_CHANGED_BEACON_INT); | |
5dfdaf58 JB |
467 | } |
468 | ||
469 | /* Need to have a beacon head if we don't have one yet */ | |
470 | if (!params->head && !old) | |
471 | return err; | |
472 | ||
473 | /* sorry, no way to start beaconing without dtim period */ | |
474 | if (!params->dtim_period && !old) | |
475 | return err; | |
476 | ||
477 | /* new or old head? */ | |
478 | if (params->head) | |
479 | new_head_len = params->head_len; | |
480 | else | |
481 | new_head_len = old->head_len; | |
482 | ||
483 | /* new or old tail? */ | |
484 | if (params->tail || !old) | |
485 | /* params->tail_len will be zero for !params->tail */ | |
486 | new_tail_len = params->tail_len; | |
487 | else | |
488 | new_tail_len = old->tail_len; | |
489 | ||
490 | size = sizeof(*new) + new_head_len + new_tail_len; | |
491 | ||
492 | new = kzalloc(size, GFP_KERNEL); | |
493 | if (!new) | |
494 | return -ENOMEM; | |
495 | ||
496 | /* start filling the new info now */ | |
497 | ||
498 | /* new or old dtim period? */ | |
499 | if (params->dtim_period) | |
500 | new->dtim_period = params->dtim_period; | |
501 | else | |
502 | new->dtim_period = old->dtim_period; | |
503 | ||
504 | /* | |
505 | * pointers go into the block we allocated, | |
506 | * memory is | beacon_data | head | tail | | |
507 | */ | |
508 | new->head = ((u8 *) new) + sizeof(*new); | |
509 | new->tail = new->head + new_head_len; | |
510 | new->head_len = new_head_len; | |
511 | new->tail_len = new_tail_len; | |
512 | ||
513 | /* copy in head */ | |
514 | if (params->head) | |
515 | memcpy(new->head, params->head, new_head_len); | |
516 | else | |
517 | memcpy(new->head, old->head, new_head_len); | |
518 | ||
519 | /* copy in optional tail */ | |
520 | if (params->tail) | |
521 | memcpy(new->tail, params->tail, new_tail_len); | |
522 | else | |
523 | if (old) | |
524 | memcpy(new->tail, old->tail, new_tail_len); | |
525 | ||
526 | rcu_assign_pointer(sdata->u.ap.beacon, new); | |
527 | ||
528 | synchronize_rcu(); | |
529 | ||
530 | kfree(old); | |
531 | ||
2d0ddec5 JB |
532 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED | |
533 | BSS_CHANGED_BEACON); | |
534 | return 0; | |
5dfdaf58 JB |
535 | } |
536 | ||
537 | static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, | |
538 | struct beacon_parameters *params) | |
539 | { | |
14db74bc | 540 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
541 | struct beacon_data *old; |
542 | ||
14db74bc JB |
543 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
544 | ||
5dfdaf58 JB |
545 | old = sdata->u.ap.beacon; |
546 | ||
547 | if (old) | |
548 | return -EALREADY; | |
549 | ||
550 | return ieee80211_config_beacon(sdata, params); | |
551 | } | |
552 | ||
553 | static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, | |
554 | struct beacon_parameters *params) | |
555 | { | |
14db74bc | 556 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
557 | struct beacon_data *old; |
558 | ||
14db74bc JB |
559 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
560 | ||
5dfdaf58 JB |
561 | old = sdata->u.ap.beacon; |
562 | ||
563 | if (!old) | |
564 | return -ENOENT; | |
565 | ||
566 | return ieee80211_config_beacon(sdata, params); | |
567 | } | |
568 | ||
569 | static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) | |
570 | { | |
14db74bc | 571 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
572 | struct beacon_data *old; |
573 | ||
14db74bc JB |
574 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
575 | ||
5dfdaf58 JB |
576 | old = sdata->u.ap.beacon; |
577 | ||
578 | if (!old) | |
579 | return -ENOENT; | |
580 | ||
581 | rcu_assign_pointer(sdata->u.ap.beacon, NULL); | |
582 | synchronize_rcu(); | |
583 | kfree(old); | |
584 | ||
2d0ddec5 JB |
585 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
586 | return 0; | |
5dfdaf58 JB |
587 | } |
588 | ||
4fd6931e JB |
589 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
590 | struct iapp_layer2_update { | |
591 | u8 da[ETH_ALEN]; /* broadcast */ | |
592 | u8 sa[ETH_ALEN]; /* STA addr */ | |
593 | __be16 len; /* 6 */ | |
594 | u8 dsap; /* 0 */ | |
595 | u8 ssap; /* 0 */ | |
596 | u8 control; | |
597 | u8 xid_info[3]; | |
598 | } __attribute__ ((packed)); | |
599 | ||
600 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
601 | { | |
602 | struct iapp_layer2_update *msg; | |
603 | struct sk_buff *skb; | |
604 | ||
605 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
606 | * bridge devices */ | |
607 | ||
608 | skb = dev_alloc_skb(sizeof(*msg)); | |
609 | if (!skb) | |
610 | return; | |
611 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
612 | ||
613 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
614 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
615 | ||
616 | memset(msg->da, 0xff, ETH_ALEN); | |
17741cdc | 617 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
618 | msg->len = htons(6); |
619 | msg->dsap = 0; | |
620 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
621 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
622 | * F=0 (no poll command; unsolicited frame) */ | |
623 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
624 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
625 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
626 | ||
d0709a65 JB |
627 | skb->dev = sta->sdata->dev; |
628 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e JB |
629 | memset(skb->cb, 0, sizeof(skb->cb)); |
630 | netif_rx(skb); | |
631 | } | |
632 | ||
633 | static void sta_apply_parameters(struct ieee80211_local *local, | |
634 | struct sta_info *sta, | |
635 | struct station_parameters *params) | |
636 | { | |
637 | u32 rates; | |
638 | int i, j; | |
8318d78a | 639 | struct ieee80211_supported_band *sband; |
d0709a65 | 640 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
eccb8e8f | 641 | u32 mask, set; |
4fd6931e | 642 | |
ae5eb026 JB |
643 | sband = local->hw.wiphy->bands[local->oper_channel->band]; |
644 | ||
eccb8e8f JB |
645 | spin_lock_bh(&sta->lock); |
646 | mask = params->sta_flags_mask; | |
647 | set = params->sta_flags_set; | |
73651ee6 | 648 | |
eccb8e8f | 649 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
4fd6931e | 650 | sta->flags &= ~WLAN_STA_AUTHORIZED; |
eccb8e8f | 651 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) |
4fd6931e | 652 | sta->flags |= WLAN_STA_AUTHORIZED; |
eccb8e8f | 653 | } |
4fd6931e | 654 | |
eccb8e8f | 655 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
4fd6931e | 656 | sta->flags &= ~WLAN_STA_SHORT_PREAMBLE; |
eccb8e8f | 657 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
4fd6931e | 658 | sta->flags |= WLAN_STA_SHORT_PREAMBLE; |
eccb8e8f | 659 | } |
4fd6931e | 660 | |
eccb8e8f | 661 | if (mask & BIT(NL80211_STA_FLAG_WME)) { |
4fd6931e | 662 | sta->flags &= ~WLAN_STA_WME; |
eccb8e8f | 663 | if (set & BIT(NL80211_STA_FLAG_WME)) |
4fd6931e | 664 | sta->flags |= WLAN_STA_WME; |
eccb8e8f | 665 | } |
5394af4d | 666 | |
eccb8e8f | 667 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
5394af4d | 668 | sta->flags &= ~WLAN_STA_MFP; |
eccb8e8f | 669 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
5394af4d | 670 | sta->flags |= WLAN_STA_MFP; |
4fd6931e | 671 | } |
eccb8e8f | 672 | spin_unlock_bh(&sta->lock); |
4fd6931e | 673 | |
51b50fbe JB |
674 | /* |
675 | * cfg80211 validates this (1-2007) and allows setting the AID | |
676 | * only when creating a new station entry | |
677 | */ | |
678 | if (params->aid) | |
679 | sta->sta.aid = params->aid; | |
680 | ||
73651ee6 JB |
681 | /* |
682 | * FIXME: updating the following information is racy when this | |
683 | * function is called from ieee80211_change_station(). | |
684 | * However, all this information should be static so | |
685 | * maybe we should just reject attemps to change it. | |
686 | */ | |
687 | ||
4fd6931e JB |
688 | if (params->listen_interval >= 0) |
689 | sta->listen_interval = params->listen_interval; | |
690 | ||
691 | if (params->supported_rates) { | |
692 | rates = 0; | |
8318d78a | 693 | |
4fd6931e JB |
694 | for (i = 0; i < params->supported_rates_len; i++) { |
695 | int rate = (params->supported_rates[i] & 0x7f) * 5; | |
8318d78a JB |
696 | for (j = 0; j < sband->n_bitrates; j++) { |
697 | if (sband->bitrates[j].bitrate == rate) | |
4fd6931e JB |
698 | rates |= BIT(j); |
699 | } | |
700 | } | |
323ce79a | 701 | sta->sta.supp_rates[local->oper_channel->band] = rates; |
4fd6931e | 702 | } |
c5dd9c2b | 703 | |
d9fe60de | 704 | if (params->ht_capa) |
ae5eb026 JB |
705 | ieee80211_ht_cap_ie_to_sta_ht_cap(sband, |
706 | params->ht_capa, | |
d9fe60de | 707 | &sta->sta.ht_cap); |
36aedc90 | 708 | |
902acc78 | 709 | if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) { |
c5dd9c2b LCC |
710 | switch (params->plink_action) { |
711 | case PLINK_ACTION_OPEN: | |
712 | mesh_plink_open(sta); | |
713 | break; | |
714 | case PLINK_ACTION_BLOCK: | |
715 | mesh_plink_block(sta); | |
716 | break; | |
717 | } | |
902acc78 | 718 | } |
4fd6931e JB |
719 | } |
720 | ||
721 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
722 | u8 *mac, struct station_parameters *params) | |
723 | { | |
14db74bc | 724 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
725 | struct sta_info *sta; |
726 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 727 | int err; |
b8d476c8 | 728 | int layer2_update; |
4fd6931e | 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) { | |
73651ee6 JB |
762 | rcu_read_unlock(); |
763 | return err; | |
764 | } | |
765 | ||
b8d476c8 | 766 | if (layer2_update) |
73651ee6 JB |
767 | ieee80211_send_layer2_update(sta); |
768 | ||
769 | rcu_read_unlock(); | |
770 | ||
4fd6931e JB |
771 | return 0; |
772 | } | |
773 | ||
774 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
775 | u8 *mac) | |
776 | { | |
14db74bc JB |
777 | struct ieee80211_local *local = wiphy_priv(wiphy); |
778 | struct ieee80211_sub_if_data *sdata; | |
4fd6931e JB |
779 | struct sta_info *sta; |
780 | ||
14db74bc JB |
781 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
782 | ||
4fd6931e | 783 | if (mac) { |
98dd6a57 JB |
784 | rcu_read_lock(); |
785 | ||
4fd6931e JB |
786 | /* XXX: get sta belonging to dev */ |
787 | sta = sta_info_get(local, mac); | |
98dd6a57 JB |
788 | if (!sta) { |
789 | rcu_read_unlock(); | |
4fd6931e | 790 | return -ENOENT; |
98dd6a57 | 791 | } |
4fd6931e | 792 | |
d0709a65 | 793 | sta_info_unlink(&sta); |
98dd6a57 JB |
794 | rcu_read_unlock(); |
795 | ||
4f6fab47 | 796 | sta_info_destroy(sta); |
4fd6931e | 797 | } else |
d0709a65 | 798 | sta_info_flush(local, sdata); |
4fd6931e JB |
799 | |
800 | return 0; | |
801 | } | |
802 | ||
803 | static int ieee80211_change_station(struct wiphy *wiphy, | |
804 | struct net_device *dev, | |
805 | u8 *mac, | |
806 | struct station_parameters *params) | |
807 | { | |
14db74bc | 808 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
809 | struct sta_info *sta; |
810 | struct ieee80211_sub_if_data *vlansdata; | |
811 | ||
98dd6a57 JB |
812 | rcu_read_lock(); |
813 | ||
4fd6931e JB |
814 | /* XXX: get sta belonging to dev */ |
815 | sta = sta_info_get(local, mac); | |
98dd6a57 JB |
816 | if (!sta) { |
817 | rcu_read_unlock(); | |
4fd6931e | 818 | return -ENOENT; |
98dd6a57 | 819 | } |
4fd6931e | 820 | |
d0709a65 | 821 | if (params->vlan && params->vlan != sta->sdata->dev) { |
4fd6931e JB |
822 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
823 | ||
05c914fe JB |
824 | if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
825 | vlansdata->vif.type != NL80211_IFTYPE_AP) { | |
98dd6a57 | 826 | rcu_read_unlock(); |
4fd6931e | 827 | return -EINVAL; |
98dd6a57 | 828 | } |
4fd6931e | 829 | |
f14543ee FF |
830 | if (vlansdata->use_4addr) { |
831 | if (vlansdata->u.vlan.sta) | |
832 | return -EBUSY; | |
833 | ||
834 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); | |
835 | } | |
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 | ||
14db74bc JB |
858 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
859 | ||
d0709a65 | 860 | rcu_read_lock(); |
c5dd9c2b | 861 | sta = sta_info_get(local, next_hop); |
d0709a65 JB |
862 | if (!sta) { |
863 | rcu_read_unlock(); | |
c5dd9c2b | 864 | return -ENOENT; |
d0709a65 | 865 | } |
c5dd9c2b | 866 | |
f698d856 | 867 | err = mesh_path_add(dst, sdata); |
d0709a65 JB |
868 | if (err) { |
869 | rcu_read_unlock(); | |
c5dd9c2b | 870 | return err; |
d0709a65 | 871 | } |
c5dd9c2b | 872 | |
f698d856 | 873 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
874 | if (!mpath) { |
875 | rcu_read_unlock(); | |
c5dd9c2b LCC |
876 | return -ENXIO; |
877 | } | |
878 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 879 | |
c5dd9c2b LCC |
880 | rcu_read_unlock(); |
881 | return 0; | |
882 | } | |
883 | ||
884 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
885 | u8 *dst) | |
886 | { | |
f698d856 JBG |
887 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
888 | ||
c5dd9c2b | 889 | if (dst) |
f698d856 | 890 | return mesh_path_del(dst, sdata); |
c5dd9c2b | 891 | |
f698d856 | 892 | mesh_path_flush(sdata); |
c5dd9c2b LCC |
893 | return 0; |
894 | } | |
895 | ||
896 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
897 | struct net_device *dev, | |
898 | u8 *dst, u8 *next_hop) | |
899 | { | |
14db74bc JB |
900 | struct ieee80211_local *local = wiphy_priv(wiphy); |
901 | struct ieee80211_sub_if_data *sdata; | |
c5dd9c2b LCC |
902 | struct mesh_path *mpath; |
903 | struct sta_info *sta; | |
904 | ||
14db74bc JB |
905 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
906 | ||
d0709a65 JB |
907 | rcu_read_lock(); |
908 | ||
c5dd9c2b | 909 | sta = sta_info_get(local, next_hop); |
d0709a65 JB |
910 | if (!sta) { |
911 | rcu_read_unlock(); | |
c5dd9c2b | 912 | return -ENOENT; |
d0709a65 | 913 | } |
c5dd9c2b | 914 | |
f698d856 | 915 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
916 | if (!mpath) { |
917 | rcu_read_unlock(); | |
c5dd9c2b LCC |
918 | return -ENOENT; |
919 | } | |
920 | ||
921 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 922 | |
c5dd9c2b LCC |
923 | rcu_read_unlock(); |
924 | return 0; | |
925 | } | |
926 | ||
927 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
928 | struct mpath_info *pinfo) | |
929 | { | |
930 | if (mpath->next_hop) | |
17741cdc | 931 | memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN); |
c5dd9c2b LCC |
932 | else |
933 | memset(next_hop, 0, ETH_ALEN); | |
934 | ||
f5ea9120 JB |
935 | pinfo->generation = mesh_paths_generation; |
936 | ||
c5dd9c2b | 937 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 938 | MPATH_INFO_SN | |
c5dd9c2b LCC |
939 | MPATH_INFO_METRIC | |
940 | MPATH_INFO_EXPTIME | | |
941 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
942 | MPATH_INFO_DISCOVERY_RETRIES | | |
943 | MPATH_INFO_FLAGS; | |
944 | ||
945 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 946 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
947 | pinfo->metric = mpath->metric; |
948 | if (time_before(jiffies, mpath->exp_time)) | |
949 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
950 | pinfo->discovery_timeout = | |
951 | jiffies_to_msecs(mpath->discovery_timeout); | |
952 | pinfo->discovery_retries = mpath->discovery_retries; | |
953 | pinfo->flags = 0; | |
954 | if (mpath->flags & MESH_PATH_ACTIVE) | |
955 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
956 | if (mpath->flags & MESH_PATH_RESOLVING) | |
957 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
958 | if (mpath->flags & MESH_PATH_SN_VALID) |
959 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
960 | if (mpath->flags & MESH_PATH_FIXED) |
961 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
962 | if (mpath->flags & MESH_PATH_RESOLVING) | |
963 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
964 | ||
965 | pinfo->flags = mpath->flags; | |
966 | } | |
967 | ||
968 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
969 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
970 | ||
971 | { | |
14db74bc | 972 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
973 | struct mesh_path *mpath; |
974 | ||
14db74bc JB |
975 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
976 | ||
c5dd9c2b | 977 | rcu_read_lock(); |
f698d856 | 978 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
979 | if (!mpath) { |
980 | rcu_read_unlock(); | |
981 | return -ENOENT; | |
982 | } | |
983 | memcpy(dst, mpath->dst, ETH_ALEN); | |
984 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
985 | rcu_read_unlock(); | |
986 | return 0; | |
987 | } | |
988 | ||
989 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
990 | int idx, u8 *dst, u8 *next_hop, | |
991 | struct mpath_info *pinfo) | |
992 | { | |
14db74bc | 993 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
994 | struct mesh_path *mpath; |
995 | ||
14db74bc JB |
996 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
997 | ||
c5dd9c2b | 998 | rcu_read_lock(); |
f698d856 | 999 | mpath = mesh_path_lookup_by_idx(idx, sdata); |
c5dd9c2b LCC |
1000 | if (!mpath) { |
1001 | rcu_read_unlock(); | |
1002 | return -ENOENT; | |
1003 | } | |
1004 | memcpy(dst, mpath->dst, ETH_ALEN); | |
1005 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
1006 | rcu_read_unlock(); | |
1007 | return 0; | |
1008 | } | |
93da9cc1 | 1009 | |
1010 | static int ieee80211_get_mesh_params(struct wiphy *wiphy, | |
1011 | struct net_device *dev, | |
1012 | struct mesh_config *conf) | |
1013 | { | |
1014 | struct ieee80211_sub_if_data *sdata; | |
1015 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1016 | ||
93da9cc1 | 1017 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1018 | return 0; | |
1019 | } | |
1020 | ||
1021 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1022 | { | |
1023 | return (mask >> (parm-1)) & 0x1; | |
1024 | } | |
1025 | ||
1026 | static int ieee80211_set_mesh_params(struct wiphy *wiphy, | |
1027 | struct net_device *dev, | |
1028 | const struct mesh_config *nconf, u32 mask) | |
1029 | { | |
1030 | struct mesh_config *conf; | |
1031 | struct ieee80211_sub_if_data *sdata; | |
1032 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1033 | ||
93da9cc1 | 1034 | /* Set the config options which we are interested in setting */ |
1035 | conf = &(sdata->u.mesh.mshcfg); | |
1036 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1037 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1038 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1039 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1040 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1041 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1042 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1043 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1044 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1045 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1046 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1047 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
1048 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) | |
1049 | conf->auto_open_plinks = nconf->auto_open_plinks; | |
1050 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) | |
1051 | conf->dot11MeshHWMPmaxPREQretries = | |
1052 | nconf->dot11MeshHWMPmaxPREQretries; | |
1053 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1054 | conf->path_refresh_time = nconf->path_refresh_time; | |
1055 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1056 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1057 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1058 | conf->dot11MeshHWMPactivePathTimeout = | |
1059 | nconf->dot11MeshHWMPactivePathTimeout; | |
1060 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1061 | conf->dot11MeshHWMPpreqMinInterval = | |
1062 | nconf->dot11MeshHWMPpreqMinInterval; | |
1063 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
1064 | mask)) | |
1065 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1066 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
1067 | return 0; | |
1068 | } | |
1069 | ||
c5dd9c2b LCC |
1070 | #endif |
1071 | ||
9f1ba906 JM |
1072 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1073 | struct net_device *dev, | |
1074 | struct bss_parameters *params) | |
1075 | { | |
9f1ba906 JM |
1076 | struct ieee80211_sub_if_data *sdata; |
1077 | u32 changed = 0; | |
1078 | ||
9f1ba906 JM |
1079 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1080 | ||
9f1ba906 | 1081 | if (params->use_cts_prot >= 0) { |
bda3933a | 1082 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1083 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1084 | } | |
1085 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1086 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1087 | params->use_short_preamble; |
1088 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1089 | } | |
1090 | if (params->use_short_slot_time >= 0) { | |
bda3933a | 1091 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1092 | params->use_short_slot_time; |
1093 | changed |= BSS_CHANGED_ERP_SLOT; | |
1094 | } | |
1095 | ||
90c97a04 JM |
1096 | if (params->basic_rates) { |
1097 | int i, j; | |
1098 | u32 rates = 0; | |
1099 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1100 | struct ieee80211_supported_band *sband = | |
1101 | wiphy->bands[local->oper_channel->band]; | |
1102 | ||
1103 | for (i = 0; i < params->basic_rates_len; i++) { | |
1104 | int rate = (params->basic_rates[i] & 0x7f) * 5; | |
1105 | for (j = 0; j < sband->n_bitrates; j++) { | |
1106 | if (sband->bitrates[j].bitrate == rate) | |
1107 | rates |= BIT(j); | |
1108 | } | |
1109 | } | |
1110 | sdata->vif.bss_conf.basic_rates = rates; | |
1111 | changed |= BSS_CHANGED_BASIC_RATES; | |
1112 | } | |
1113 | ||
9f1ba906 JM |
1114 | ieee80211_bss_info_change_notify(sdata, changed); |
1115 | ||
1116 | return 0; | |
1117 | } | |
1118 | ||
31888487 JM |
1119 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
1120 | struct ieee80211_txq_params *params) | |
1121 | { | |
1122 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1123 | struct ieee80211_tx_queue_params p; | |
1124 | ||
1125 | if (!local->ops->conf_tx) | |
1126 | return -EOPNOTSUPP; | |
1127 | ||
1128 | memset(&p, 0, sizeof(p)); | |
1129 | p.aifs = params->aifs; | |
1130 | p.cw_max = params->cwmax; | |
1131 | p.cw_min = params->cwmin; | |
1132 | p.txop = params->txop; | |
24487981 | 1133 | if (drv_conf_tx(local, params->queue, &p)) { |
31888487 | 1134 | printk(KERN_DEBUG "%s: failed to set TX queue " |
0bffe40f JB |
1135 | "parameters for queue %d\n", |
1136 | wiphy_name(local->hw.wiphy), params->queue); | |
31888487 JM |
1137 | return -EINVAL; |
1138 | } | |
1139 | ||
1140 | return 0; | |
1141 | } | |
1142 | ||
72bdcf34 JM |
1143 | static int ieee80211_set_channel(struct wiphy *wiphy, |
1144 | struct ieee80211_channel *chan, | |
094d05dc | 1145 | enum nl80211_channel_type channel_type) |
72bdcf34 JM |
1146 | { |
1147 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1148 | ||
1149 | local->oper_channel = chan; | |
094d05dc | 1150 | local->oper_channel_type = channel_type; |
72bdcf34 JM |
1151 | |
1152 | return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); | |
1153 | } | |
1154 | ||
665af4fc BC |
1155 | #ifdef CONFIG_PM |
1156 | static int ieee80211_suspend(struct wiphy *wiphy) | |
1157 | { | |
1158 | return __ieee80211_suspend(wiphy_priv(wiphy)); | |
1159 | } | |
1160 | ||
1161 | static int ieee80211_resume(struct wiphy *wiphy) | |
1162 | { | |
1163 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1164 | } | |
1165 | #else | |
1166 | #define ieee80211_suspend NULL | |
1167 | #define ieee80211_resume NULL | |
1168 | #endif | |
1169 | ||
2a519311 JB |
1170 | static int ieee80211_scan(struct wiphy *wiphy, |
1171 | struct net_device *dev, | |
1172 | struct cfg80211_scan_request *req) | |
1173 | { | |
1174 | struct ieee80211_sub_if_data *sdata; | |
1175 | ||
2a519311 JB |
1176 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1177 | ||
1178 | if (sdata->vif.type != NL80211_IFTYPE_STATION && | |
1179 | sdata->vif.type != NL80211_IFTYPE_ADHOC && | |
357303e2 JM |
1180 | sdata->vif.type != NL80211_IFTYPE_MESH_POINT && |
1181 | (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon)) | |
2a519311 JB |
1182 | return -EOPNOTSUPP; |
1183 | ||
1184 | return ieee80211_request_scan(sdata, req); | |
1185 | } | |
1186 | ||
636a5d36 JM |
1187 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
1188 | struct cfg80211_auth_request *req) | |
1189 | { | |
77fdaa12 | 1190 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1191 | } |
1192 | ||
1193 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
1194 | struct cfg80211_assoc_request *req) | |
1195 | { | |
77fdaa12 | 1196 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1197 | } |
1198 | ||
1199 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1200 | struct cfg80211_deauth_request *req, |
1201 | void *cookie) | |
636a5d36 | 1202 | { |
667503dd JB |
1203 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), |
1204 | req, cookie); | |
636a5d36 JM |
1205 | } |
1206 | ||
1207 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1208 | struct cfg80211_disassoc_request *req, |
1209 | void *cookie) | |
636a5d36 | 1210 | { |
667503dd JB |
1211 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), |
1212 | req, cookie); | |
636a5d36 JM |
1213 | } |
1214 | ||
af8cdcd8 JB |
1215 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
1216 | struct cfg80211_ibss_params *params) | |
1217 | { | |
1218 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1219 | ||
1220 | return ieee80211_ibss_join(sdata, params); | |
1221 | } | |
1222 | ||
1223 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1224 | { | |
1225 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1226 | ||
1227 | return ieee80211_ibss_leave(sdata); | |
1228 | } | |
1229 | ||
b9a5f8ca JM |
1230 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1231 | { | |
1232 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 1233 | int err; |
b9a5f8ca JM |
1234 | |
1235 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { | |
24487981 | 1236 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 1237 | |
24487981 JB |
1238 | if (err) |
1239 | return err; | |
b9a5f8ca JM |
1240 | } |
1241 | ||
1242 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1243 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; | |
1244 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1245 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; | |
1246 | if (changed & | |
1247 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
1248 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
1249 | ||
1250 | return 0; | |
1251 | } | |
1252 | ||
7643a2c3 JB |
1253 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
1254 | enum tx_power_setting type, int dbm) | |
1255 | { | |
1256 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1257 | struct ieee80211_channel *chan = local->hw.conf.channel; | |
1258 | u32 changes = 0; | |
7643a2c3 JB |
1259 | |
1260 | switch (type) { | |
1261 | case TX_POWER_AUTOMATIC: | |
1262 | local->user_power_level = -1; | |
1263 | break; | |
1264 | case TX_POWER_LIMITED: | |
1265 | if (dbm < 0) | |
1266 | return -EINVAL; | |
1267 | local->user_power_level = dbm; | |
1268 | break; | |
1269 | case TX_POWER_FIXED: | |
1270 | if (dbm < 0) | |
1271 | return -EINVAL; | |
1272 | /* TODO: move to cfg80211 when it knows the channel */ | |
1273 | if (dbm > chan->max_power) | |
1274 | return -EINVAL; | |
1275 | local->user_power_level = dbm; | |
1276 | break; | |
7643a2c3 JB |
1277 | } |
1278 | ||
1279 | ieee80211_hw_config(local, changes); | |
1280 | ||
1281 | return 0; | |
1282 | } | |
1283 | ||
1284 | static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm) | |
1285 | { | |
1286 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1287 | ||
1288 | *dbm = local->hw.conf.power_level; | |
1289 | ||
7643a2c3 JB |
1290 | return 0; |
1291 | } | |
1292 | ||
ab737a4f JB |
1293 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
1294 | u8 *addr) | |
1295 | { | |
1296 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1297 | ||
1298 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
1299 | ||
1300 | return 0; | |
1301 | } | |
1302 | ||
1f87f7d3 JB |
1303 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
1304 | { | |
1305 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1306 | ||
1307 | drv_rfkill_poll(local); | |
1308 | } | |
1309 | ||
aff89a9b | 1310 | #ifdef CONFIG_NL80211_TESTMODE |
99783e2c | 1311 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len) |
aff89a9b JB |
1312 | { |
1313 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1314 | ||
1315 | if (!local->ops->testmode_cmd) | |
1316 | return -EOPNOTSUPP; | |
1317 | ||
1318 | return local->ops->testmode_cmd(&local->hw, data, len); | |
1319 | } | |
1320 | #endif | |
1321 | ||
bc92afd9 JB |
1322 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
1323 | bool enabled, int timeout) | |
1324 | { | |
1325 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1326 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
1327 | struct ieee80211_conf *conf = &local->hw.conf; | |
1328 | ||
1329 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) | |
1330 | return -EOPNOTSUPP; | |
1331 | ||
1332 | if (enabled == sdata->u.mgd.powersave && | |
1333 | timeout == conf->dynamic_ps_timeout) | |
1334 | return 0; | |
1335 | ||
1336 | sdata->u.mgd.powersave = enabled; | |
1337 | conf->dynamic_ps_timeout = timeout; | |
1338 | ||
1339 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) | |
1340 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
1341 | ||
1342 | ieee80211_recalc_ps(local, -1); | |
1343 | ||
1344 | return 0; | |
1345 | } | |
1346 | ||
9930380f JB |
1347 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
1348 | struct net_device *dev, | |
1349 | const u8 *addr, | |
1350 | const struct cfg80211_bitrate_mask *mask) | |
1351 | { | |
1352 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1353 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
1354 | int i, err = -EINVAL; | |
1355 | u32 target_rate; | |
1356 | struct ieee80211_supported_band *sband; | |
1357 | ||
1358 | sband = local->hw.wiphy->bands[local->hw.conf.channel->band]; | |
1359 | ||
1360 | /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates | |
1361 | * target_rate = X, rate->fixed = 1 means only rate X | |
1362 | * target_rate = X, rate->fixed = 0 means all rates <= X */ | |
1363 | sdata->max_ratectrl_rateidx = -1; | |
1364 | sdata->force_unicast_rateidx = -1; | |
1365 | ||
1366 | if (mask->fixed) | |
1367 | target_rate = mask->fixed / 100; | |
1368 | else if (mask->maxrate) | |
1369 | target_rate = mask->maxrate / 100; | |
1370 | else | |
1371 | return 0; | |
1372 | ||
1373 | for (i=0; i< sband->n_bitrates; i++) { | |
1374 | struct ieee80211_rate *brate = &sband->bitrates[i]; | |
1375 | int this_rate = brate->bitrate; | |
1376 | ||
1377 | if (target_rate == this_rate) { | |
1378 | sdata->max_ratectrl_rateidx = i; | |
1379 | if (mask->fixed) | |
1380 | sdata->force_unicast_rateidx = i; | |
1381 | err = 0; | |
1382 | break; | |
1383 | } | |
1384 | } | |
1385 | ||
1386 | return err; | |
1387 | } | |
1388 | ||
f0706e82 JB |
1389 | struct cfg80211_ops mac80211_config_ops = { |
1390 | .add_virtual_intf = ieee80211_add_iface, | |
1391 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 1392 | .change_virtual_intf = ieee80211_change_iface, |
e8cbb4cb JB |
1393 | .add_key = ieee80211_add_key, |
1394 | .del_key = ieee80211_del_key, | |
62da92fb | 1395 | .get_key = ieee80211_get_key, |
e8cbb4cb | 1396 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 1397 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
5dfdaf58 JB |
1398 | .add_beacon = ieee80211_add_beacon, |
1399 | .set_beacon = ieee80211_set_beacon, | |
1400 | .del_beacon = ieee80211_del_beacon, | |
4fd6931e JB |
1401 | .add_station = ieee80211_add_station, |
1402 | .del_station = ieee80211_del_station, | |
1403 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 1404 | .get_station = ieee80211_get_station, |
c5dd9c2b LCC |
1405 | .dump_station = ieee80211_dump_station, |
1406 | #ifdef CONFIG_MAC80211_MESH | |
1407 | .add_mpath = ieee80211_add_mpath, | |
1408 | .del_mpath = ieee80211_del_mpath, | |
1409 | .change_mpath = ieee80211_change_mpath, | |
1410 | .get_mpath = ieee80211_get_mpath, | |
1411 | .dump_mpath = ieee80211_dump_mpath, | |
93da9cc1 | 1412 | .set_mesh_params = ieee80211_set_mesh_params, |
1413 | .get_mesh_params = ieee80211_get_mesh_params, | |
c5dd9c2b | 1414 | #endif |
9f1ba906 | 1415 | .change_bss = ieee80211_change_bss, |
31888487 | 1416 | .set_txq_params = ieee80211_set_txq_params, |
72bdcf34 | 1417 | .set_channel = ieee80211_set_channel, |
665af4fc BC |
1418 | .suspend = ieee80211_suspend, |
1419 | .resume = ieee80211_resume, | |
2a519311 | 1420 | .scan = ieee80211_scan, |
636a5d36 JM |
1421 | .auth = ieee80211_auth, |
1422 | .assoc = ieee80211_assoc, | |
1423 | .deauth = ieee80211_deauth, | |
1424 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
1425 | .join_ibss = ieee80211_join_ibss, |
1426 | .leave_ibss = ieee80211_leave_ibss, | |
b9a5f8ca | 1427 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
1428 | .set_tx_power = ieee80211_set_tx_power, |
1429 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 1430 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 1431 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 1432 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
bc92afd9 | 1433 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 1434 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
f0706e82 | 1435 | }; |