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Commit | Line | Data |
---|---|---|
f0706e82 JB |
1 | /* |
2 | * mac80211 configuration hooks for cfg80211 | |
3 | * | |
026331c4 | 4 | * Copyright 2006-2010 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> | |
5a0e3ad6 | 12 | #include <linux/slab.h> |
881d966b | 13 | #include <net/net_namespace.h> |
5dfdaf58 | 14 | #include <linux/rcupdate.h> |
f0706e82 JB |
15 | #include <net/cfg80211.h> |
16 | #include "ieee80211_i.h" | |
24487981 | 17 | #include "driver-ops.h" |
e0eb6859 | 18 | #include "cfg.h" |
2c8dccc7 | 19 | #include "rate.h" |
c5dd9c2b | 20 | #include "mesh.h" |
c5dd9c2b | 21 | |
05c914fe | 22 | static bool nl80211_type_check(enum nl80211_iftype type) |
42613db7 JB |
23 | { |
24 | switch (type) { | |
42613db7 | 25 | case NL80211_IFTYPE_ADHOC: |
42613db7 | 26 | case NL80211_IFTYPE_STATION: |
42613db7 | 27 | case NL80211_IFTYPE_MONITOR: |
c5dd9c2b LCC |
28 | #ifdef CONFIG_MAC80211_MESH |
29 | case NL80211_IFTYPE_MESH_POINT: | |
c5dd9c2b | 30 | #endif |
fbf18927 JM |
31 | case NL80211_IFTYPE_AP: |
32 | case NL80211_IFTYPE_AP_VLAN: | |
b454048c | 33 | case NL80211_IFTYPE_WDS: |
05c914fe | 34 | return true; |
42613db7 | 35 | default: |
05c914fe | 36 | return false; |
42613db7 JB |
37 | } |
38 | } | |
39 | ||
f14543ee FF |
40 | static bool nl80211_params_check(enum nl80211_iftype type, |
41 | struct vif_params *params) | |
42 | { | |
43 | if (!nl80211_type_check(type)) | |
44 | return false; | |
45 | ||
f14543ee FF |
46 | return true; |
47 | } | |
48 | ||
f0706e82 | 49 | static int ieee80211_add_iface(struct wiphy *wiphy, char *name, |
2ec600d6 LCC |
50 | enum nl80211_iftype type, u32 *flags, |
51 | struct vif_params *params) | |
f0706e82 JB |
52 | { |
53 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
8cc9a739 MW |
54 | struct net_device *dev; |
55 | struct ieee80211_sub_if_data *sdata; | |
56 | int err; | |
f0706e82 | 57 | |
f14543ee | 58 | if (!nl80211_params_check(type, params)) |
f0706e82 | 59 | return -EINVAL; |
f0706e82 | 60 | |
05c914fe JB |
61 | err = ieee80211_if_add(local, name, &dev, type, params); |
62 | if (err || type != NL80211_IFTYPE_MONITOR || !flags) | |
8cc9a739 MW |
63 | return err; |
64 | ||
65 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
66 | sdata->u.mntr_flags = *flags; | |
67 | return 0; | |
f0706e82 JB |
68 | } |
69 | ||
463d0183 | 70 | static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev) |
f0706e82 | 71 | { |
463d0183 | 72 | ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev)); |
f0706e82 | 73 | |
75636525 | 74 | return 0; |
f0706e82 JB |
75 | } |
76 | ||
e36d56b6 JB |
77 | static int ieee80211_change_iface(struct wiphy *wiphy, |
78 | struct net_device *dev, | |
2ec600d6 LCC |
79 | enum nl80211_iftype type, u32 *flags, |
80 | struct vif_params *params) | |
42613db7 | 81 | { |
9607e6b6 | 82 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
f3947e2d | 83 | int ret; |
42613db7 | 84 | |
9607e6b6 | 85 | if (ieee80211_sdata_running(sdata)) |
c1f9a764 JB |
86 | return -EBUSY; |
87 | ||
f14543ee | 88 | if (!nl80211_params_check(type, params)) |
42613db7 JB |
89 | return -EINVAL; |
90 | ||
05c914fe | 91 | ret = ieee80211_if_change_type(sdata, type); |
f3947e2d JB |
92 | if (ret) |
93 | return ret; | |
42613db7 | 94 | |
902acc78 | 95 | if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len) |
472dbc45 JB |
96 | ieee80211_sdata_set_mesh_id(sdata, |
97 | params->mesh_id_len, | |
98 | params->mesh_id); | |
c5dd9c2b | 99 | |
9bc383de JB |
100 | if (type == NL80211_IFTYPE_AP_VLAN && |
101 | params && params->use_4addr == 0) | |
102 | rcu_assign_pointer(sdata->u.vlan.sta, NULL); | |
103 | else if (type == NL80211_IFTYPE_STATION && | |
104 | params && params->use_4addr >= 0) | |
105 | sdata->u.mgd.use_4addr = params->use_4addr; | |
106 | ||
f7917af9 FF |
107 | if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) |
108 | sdata->u.mntr_flags = *flags; | |
109 | ||
42613db7 JB |
110 | return 0; |
111 | } | |
112 | ||
e8cbb4cb | 113 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
4e943900 | 114 | u8 key_idx, const u8 *mac_addr, |
e8cbb4cb JB |
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 | 122 | |
ad0e2b5a JB |
123 | if (!netif_running(dev)) |
124 | return -ENETDOWN; | |
125 | ||
e8cbb4cb JB |
126 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
127 | ||
128 | switch (params->cipher) { | |
129 | case WLAN_CIPHER_SUITE_WEP40: | |
130 | case WLAN_CIPHER_SUITE_WEP104: | |
131 | alg = ALG_WEP; | |
132 | break; | |
133 | case WLAN_CIPHER_SUITE_TKIP: | |
134 | alg = ALG_TKIP; | |
135 | break; | |
136 | case WLAN_CIPHER_SUITE_CCMP: | |
137 | alg = ALG_CCMP; | |
138 | break; | |
3cfcf6ac JM |
139 | case WLAN_CIPHER_SUITE_AES_CMAC: |
140 | alg = ALG_AES_CMAC; | |
141 | break; | |
e8cbb4cb JB |
142 | default: |
143 | return -EINVAL; | |
144 | } | |
145 | ||
3473187d JL |
146 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
147 | if ((alg == ALG_WEP || alg == ALG_TKIP) && | |
148 | IS_ERR(sdata->local->wep_tx_tfm)) | |
149 | return -EINVAL; | |
150 | ||
faa8fdc8 JM |
151 | key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key, |
152 | params->seq_len, params->seq); | |
db4d1169 JB |
153 | if (!key) |
154 | return -ENOMEM; | |
155 | ||
ad0e2b5a | 156 | mutex_lock(&sdata->local->sta_mtx); |
3b96766f | 157 | |
e8cbb4cb | 158 | if (mac_addr) { |
0e5ded5a | 159 | sta = sta_info_get_bss(sdata, mac_addr); |
db4d1169 | 160 | if (!sta) { |
32162a4d | 161 | ieee80211_key_free(sdata->local, key); |
3b96766f JB |
162 | err = -ENOENT; |
163 | goto out_unlock; | |
db4d1169 | 164 | } |
e8cbb4cb JB |
165 | } |
166 | ||
db4d1169 JB |
167 | ieee80211_key_link(key, sdata, sta); |
168 | ||
3b96766f JB |
169 | err = 0; |
170 | out_unlock: | |
ad0e2b5a | 171 | mutex_unlock(&sdata->local->sta_mtx); |
3b96766f JB |
172 | |
173 | return err; | |
e8cbb4cb JB |
174 | } |
175 | ||
176 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
4e943900 | 177 | u8 key_idx, const u8 *mac_addr) |
e8cbb4cb JB |
178 | { |
179 | struct ieee80211_sub_if_data *sdata; | |
180 | struct sta_info *sta; | |
181 | int ret; | |
182 | ||
183 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
184 | ||
ad0e2b5a | 185 | mutex_lock(&sdata->local->sta_mtx); |
3b96766f | 186 | |
e8cbb4cb | 187 | if (mac_addr) { |
3b96766f JB |
188 | ret = -ENOENT; |
189 | ||
0e5ded5a | 190 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 191 | if (!sta) |
3b96766f | 192 | goto out_unlock; |
e8cbb4cb | 193 | |
db4d1169 | 194 | if (sta->key) { |
32162a4d | 195 | ieee80211_key_free(sdata->local, sta->key); |
db4d1169 | 196 | WARN_ON(sta->key); |
3b96766f JB |
197 | ret = 0; |
198 | } | |
e8cbb4cb | 199 | |
3b96766f | 200 | goto out_unlock; |
e8cbb4cb JB |
201 | } |
202 | ||
3b96766f JB |
203 | if (!sdata->keys[key_idx]) { |
204 | ret = -ENOENT; | |
205 | goto out_unlock; | |
206 | } | |
e8cbb4cb | 207 | |
32162a4d | 208 | ieee80211_key_free(sdata->local, sdata->keys[key_idx]); |
db4d1169 | 209 | WARN_ON(sdata->keys[key_idx]); |
e8cbb4cb | 210 | |
3b96766f JB |
211 | ret = 0; |
212 | out_unlock: | |
ad0e2b5a | 213 | mutex_unlock(&sdata->local->sta_mtx); |
3b96766f JB |
214 | |
215 | return ret; | |
e8cbb4cb JB |
216 | } |
217 | ||
62da92fb | 218 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
4e943900 | 219 | u8 key_idx, const u8 *mac_addr, void *cookie, |
62da92fb JB |
220 | void (*callback)(void *cookie, |
221 | struct key_params *params)) | |
222 | { | |
14db74bc | 223 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
224 | struct sta_info *sta = NULL; |
225 | u8 seq[6] = {0}; | |
226 | struct key_params params; | |
227 | struct ieee80211_key *key; | |
228 | u32 iv32; | |
229 | u16 iv16; | |
230 | int err = -ENOENT; | |
231 | ||
14db74bc JB |
232 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
233 | ||
3b96766f JB |
234 | rcu_read_lock(); |
235 | ||
62da92fb | 236 | if (mac_addr) { |
0e5ded5a | 237 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
238 | if (!sta) |
239 | goto out; | |
240 | ||
241 | key = sta->key; | |
242 | } else | |
243 | key = sdata->keys[key_idx]; | |
244 | ||
245 | if (!key) | |
246 | goto out; | |
247 | ||
248 | memset(¶ms, 0, sizeof(params)); | |
249 | ||
250 | switch (key->conf.alg) { | |
251 | case ALG_TKIP: | |
252 | params.cipher = WLAN_CIPHER_SUITE_TKIP; | |
253 | ||
b0f76b33 HH |
254 | iv32 = key->u.tkip.tx.iv32; |
255 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 256 | |
24487981 JB |
257 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
258 | drv_get_tkip_seq(sdata->local, | |
259 | key->conf.hw_key_idx, | |
260 | &iv32, &iv16); | |
62da92fb JB |
261 | |
262 | seq[0] = iv16 & 0xff; | |
263 | seq[1] = (iv16 >> 8) & 0xff; | |
264 | seq[2] = iv32 & 0xff; | |
265 | seq[3] = (iv32 >> 8) & 0xff; | |
266 | seq[4] = (iv32 >> 16) & 0xff; | |
267 | seq[5] = (iv32 >> 24) & 0xff; | |
268 | params.seq = seq; | |
269 | params.seq_len = 6; | |
270 | break; | |
271 | case ALG_CCMP: | |
272 | params.cipher = WLAN_CIPHER_SUITE_CCMP; | |
273 | seq[0] = key->u.ccmp.tx_pn[5]; | |
274 | seq[1] = key->u.ccmp.tx_pn[4]; | |
275 | seq[2] = key->u.ccmp.tx_pn[3]; | |
276 | seq[3] = key->u.ccmp.tx_pn[2]; | |
277 | seq[4] = key->u.ccmp.tx_pn[1]; | |
278 | seq[5] = key->u.ccmp.tx_pn[0]; | |
279 | params.seq = seq; | |
280 | params.seq_len = 6; | |
281 | break; | |
282 | case ALG_WEP: | |
283 | if (key->conf.keylen == 5) | |
284 | params.cipher = WLAN_CIPHER_SUITE_WEP40; | |
285 | else | |
286 | params.cipher = WLAN_CIPHER_SUITE_WEP104; | |
287 | break; | |
3cfcf6ac JM |
288 | case ALG_AES_CMAC: |
289 | params.cipher = WLAN_CIPHER_SUITE_AES_CMAC; | |
290 | seq[0] = key->u.aes_cmac.tx_pn[5]; | |
291 | seq[1] = key->u.aes_cmac.tx_pn[4]; | |
292 | seq[2] = key->u.aes_cmac.tx_pn[3]; | |
293 | seq[3] = key->u.aes_cmac.tx_pn[2]; | |
294 | seq[4] = key->u.aes_cmac.tx_pn[1]; | |
295 | seq[5] = key->u.aes_cmac.tx_pn[0]; | |
296 | params.seq = seq; | |
297 | params.seq_len = 6; | |
298 | break; | |
62da92fb JB |
299 | } |
300 | ||
301 | params.key = key->conf.key; | |
302 | params.key_len = key->conf.keylen; | |
303 | ||
304 | callback(cookie, ¶ms); | |
305 | err = 0; | |
306 | ||
307 | out: | |
3b96766f | 308 | rcu_read_unlock(); |
62da92fb JB |
309 | return err; |
310 | } | |
311 | ||
e8cbb4cb JB |
312 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
313 | struct net_device *dev, | |
314 | u8 key_idx) | |
315 | { | |
ad0e2b5a | 316 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 317 | |
e8cbb4cb JB |
318 | ieee80211_set_default_key(sdata, key_idx); |
319 | ||
320 | return 0; | |
321 | } | |
322 | ||
3cfcf6ac JM |
323 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
324 | struct net_device *dev, | |
325 | u8 key_idx) | |
326 | { | |
66c52421 | 327 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 328 | |
3cfcf6ac JM |
329 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
330 | ||
3cfcf6ac JM |
331 | return 0; |
332 | } | |
333 | ||
c5dd9c2b LCC |
334 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
335 | { | |
d0709a65 | 336 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
c5dd9c2b | 337 | |
f5ea9120 JB |
338 | sinfo->generation = sdata->local->sta_generation; |
339 | ||
c5dd9c2b LCC |
340 | sinfo->filled = STATION_INFO_INACTIVE_TIME | |
341 | STATION_INFO_RX_BYTES | | |
420e7fab | 342 | STATION_INFO_TX_BYTES | |
98c8a60a JM |
343 | STATION_INFO_RX_PACKETS | |
344 | STATION_INFO_TX_PACKETS | | |
420e7fab | 345 | STATION_INFO_TX_BITRATE; |
c5dd9c2b LCC |
346 | |
347 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
348 | sinfo->rx_bytes = sta->rx_bytes; | |
349 | sinfo->tx_bytes = sta->tx_bytes; | |
98c8a60a JM |
350 | sinfo->rx_packets = sta->rx_packets; |
351 | sinfo->tx_packets = sta->tx_packets; | |
c5dd9c2b | 352 | |
19deffbe JL |
353 | if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || |
354 | (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { | |
420e7fab HR |
355 | sinfo->filled |= STATION_INFO_SIGNAL; |
356 | sinfo->signal = (s8)sta->last_signal; | |
357 | } | |
358 | ||
359 | sinfo->txrate.flags = 0; | |
360 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS) | |
361 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
362 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH) | |
363 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
364 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI) | |
365 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
366 | ||
367 | if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) { | |
368 | struct ieee80211_supported_band *sband; | |
369 | sband = sta->local->hw.wiphy->bands[ | |
370 | sta->local->hw.conf.channel->band]; | |
371 | sinfo->txrate.legacy = | |
372 | sband->bitrates[sta->last_tx_rate.idx].bitrate; | |
373 | } else | |
374 | sinfo->txrate.mcs = sta->last_tx_rate.idx; | |
375 | ||
902acc78 | 376 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 377 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
378 | sinfo->filled |= STATION_INFO_LLID | |
379 | STATION_INFO_PLID | | |
380 | STATION_INFO_PLINK_STATE; | |
381 | ||
382 | sinfo->llid = le16_to_cpu(sta->llid); | |
383 | sinfo->plid = le16_to_cpu(sta->plid); | |
384 | sinfo->plink_state = sta->plink_state; | |
c5dd9c2b | 385 | #endif |
902acc78 | 386 | } |
c5dd9c2b LCC |
387 | } |
388 | ||
389 | ||
390 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
391 | int idx, u8 *mac, struct station_info *sinfo) | |
392 | { | |
3b53fde8 | 393 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
c5dd9c2b | 394 | struct sta_info *sta; |
d0709a65 JB |
395 | int ret = -ENOENT; |
396 | ||
397 | rcu_read_lock(); | |
c5dd9c2b | 398 | |
3b53fde8 | 399 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
400 | if (sta) { |
401 | ret = 0; | |
17741cdc | 402 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
403 | sta_set_sinfo(sta, sinfo); |
404 | } | |
c5dd9c2b | 405 | |
d0709a65 | 406 | rcu_read_unlock(); |
c5dd9c2b | 407 | |
d0709a65 | 408 | return ret; |
c5dd9c2b LCC |
409 | } |
410 | ||
1289723e HS |
411 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
412 | int idx, struct survey_info *survey) | |
413 | { | |
414 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
415 | ||
1289723e HS |
416 | return drv_get_survey(local, idx, survey); |
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 | 421 | { |
abe60632 | 422 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
7bbdd2d9 | 423 | struct sta_info *sta; |
d0709a65 | 424 | int ret = -ENOENT; |
7bbdd2d9 | 425 | |
d0709a65 | 426 | rcu_read_lock(); |
7bbdd2d9 | 427 | |
0e5ded5a | 428 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
429 | if (sta) { |
430 | ret = 0; | |
431 | sta_set_sinfo(sta, sinfo); | |
432 | } | |
433 | ||
434 | rcu_read_unlock(); | |
435 | ||
436 | return ret; | |
7bbdd2d9 JB |
437 | } |
438 | ||
5dfdaf58 JB |
439 | /* |
440 | * This handles both adding a beacon and setting new beacon info | |
441 | */ | |
442 | static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, | |
443 | struct beacon_parameters *params) | |
444 | { | |
445 | struct beacon_data *new, *old; | |
446 | int new_head_len, new_tail_len; | |
447 | int size; | |
448 | int err = -EINVAL; | |
449 | ||
450 | old = sdata->u.ap.beacon; | |
451 | ||
452 | /* head must not be zero-length */ | |
453 | if (params->head && !params->head_len) | |
454 | return -EINVAL; | |
455 | ||
456 | /* | |
457 | * This is a kludge. beacon interval should really be part | |
458 | * of the beacon information. | |
459 | */ | |
57c4d7b4 JB |
460 | if (params->interval && |
461 | (sdata->vif.bss_conf.beacon_int != params->interval)) { | |
462 | sdata->vif.bss_conf.beacon_int = params->interval; | |
463 | ieee80211_bss_info_change_notify(sdata, | |
464 | BSS_CHANGED_BEACON_INT); | |
5dfdaf58 JB |
465 | } |
466 | ||
467 | /* Need to have a beacon head if we don't have one yet */ | |
468 | if (!params->head && !old) | |
469 | return err; | |
470 | ||
471 | /* sorry, no way to start beaconing without dtim period */ | |
472 | if (!params->dtim_period && !old) | |
473 | return err; | |
474 | ||
475 | /* new or old head? */ | |
476 | if (params->head) | |
477 | new_head_len = params->head_len; | |
478 | else | |
479 | new_head_len = old->head_len; | |
480 | ||
481 | /* new or old tail? */ | |
482 | if (params->tail || !old) | |
483 | /* params->tail_len will be zero for !params->tail */ | |
484 | new_tail_len = params->tail_len; | |
485 | else | |
486 | new_tail_len = old->tail_len; | |
487 | ||
488 | size = sizeof(*new) + new_head_len + new_tail_len; | |
489 | ||
490 | new = kzalloc(size, GFP_KERNEL); | |
491 | if (!new) | |
492 | return -ENOMEM; | |
493 | ||
494 | /* start filling the new info now */ | |
495 | ||
496 | /* new or old dtim period? */ | |
497 | if (params->dtim_period) | |
498 | new->dtim_period = params->dtim_period; | |
499 | else | |
500 | new->dtim_period = old->dtim_period; | |
501 | ||
502 | /* | |
503 | * pointers go into the block we allocated, | |
504 | * memory is | beacon_data | head | tail | | |
505 | */ | |
506 | new->head = ((u8 *) new) + sizeof(*new); | |
507 | new->tail = new->head + new_head_len; | |
508 | new->head_len = new_head_len; | |
509 | new->tail_len = new_tail_len; | |
510 | ||
511 | /* copy in head */ | |
512 | if (params->head) | |
513 | memcpy(new->head, params->head, new_head_len); | |
514 | else | |
515 | memcpy(new->head, old->head, new_head_len); | |
516 | ||
517 | /* copy in optional tail */ | |
518 | if (params->tail) | |
519 | memcpy(new->tail, params->tail, new_tail_len); | |
520 | else | |
521 | if (old) | |
522 | memcpy(new->tail, old->tail, new_tail_len); | |
523 | ||
19885c4f JB |
524 | sdata->vif.bss_conf.dtim_period = new->dtim_period; |
525 | ||
5dfdaf58 JB |
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]; | |
bc10502d | 598 | } __packed; |
4fd6931e JB |
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 | 629 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 630 | netif_rx_ni(skb); |
4fd6931e JB |
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 | ||
47846c9b | 739 | if (compare_ether_addr(mac, sdata->vif.addr) == 0) |
03e4497e JB |
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 | ||
34e89507 | 758 | err = sta_info_insert_rcu(sta); |
73651ee6 | 759 | if (err) { |
73651ee6 JB |
760 | rcu_read_unlock(); |
761 | return err; | |
762 | } | |
763 | ||
b8d476c8 | 764 | if (layer2_update) |
73651ee6 JB |
765 | ieee80211_send_layer2_update(sta); |
766 | ||
767 | rcu_read_unlock(); | |
768 | ||
4fd6931e JB |
769 | return 0; |
770 | } | |
771 | ||
772 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
773 | u8 *mac) | |
774 | { | |
14db74bc JB |
775 | struct ieee80211_local *local = wiphy_priv(wiphy); |
776 | struct ieee80211_sub_if_data *sdata; | |
4fd6931e | 777 | |
14db74bc JB |
778 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
779 | ||
34e89507 JB |
780 | if (mac) |
781 | return sta_info_destroy_addr_bss(sdata, mac); | |
4fd6931e | 782 | |
34e89507 | 783 | sta_info_flush(local, sdata); |
4fd6931e JB |
784 | return 0; |
785 | } | |
786 | ||
787 | static int ieee80211_change_station(struct wiphy *wiphy, | |
788 | struct net_device *dev, | |
789 | u8 *mac, | |
790 | struct station_parameters *params) | |
791 | { | |
abe60632 | 792 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 793 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
794 | struct sta_info *sta; |
795 | struct ieee80211_sub_if_data *vlansdata; | |
796 | ||
98dd6a57 JB |
797 | rcu_read_lock(); |
798 | ||
0e5ded5a | 799 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 JB |
800 | if (!sta) { |
801 | rcu_read_unlock(); | |
4fd6931e | 802 | return -ENOENT; |
98dd6a57 | 803 | } |
4fd6931e | 804 | |
d0709a65 | 805 | if (params->vlan && params->vlan != sta->sdata->dev) { |
4fd6931e JB |
806 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
807 | ||
05c914fe JB |
808 | if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
809 | vlansdata->vif.type != NL80211_IFTYPE_AP) { | |
98dd6a57 | 810 | rcu_read_unlock(); |
4fd6931e | 811 | return -EINVAL; |
98dd6a57 | 812 | } |
4fd6931e | 813 | |
9bc383de | 814 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c JB |
815 | if (vlansdata->u.vlan.sta) { |
816 | rcu_read_unlock(); | |
f14543ee | 817 | return -EBUSY; |
3305443c | 818 | } |
f14543ee FF |
819 | |
820 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); | |
821 | } | |
822 | ||
14db74bc | 823 | sta->sdata = vlansdata; |
4fd6931e JB |
824 | ieee80211_send_layer2_update(sta); |
825 | } | |
826 | ||
827 | sta_apply_parameters(local, sta, params); | |
828 | ||
98dd6a57 JB |
829 | rcu_read_unlock(); |
830 | ||
4fd6931e JB |
831 | return 0; |
832 | } | |
833 | ||
c5dd9c2b LCC |
834 | #ifdef CONFIG_MAC80211_MESH |
835 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
836 | u8 *dst, u8 *next_hop) | |
837 | { | |
14db74bc | 838 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
839 | struct mesh_path *mpath; |
840 | struct sta_info *sta; | |
841 | int err; | |
842 | ||
14db74bc JB |
843 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
844 | ||
d0709a65 | 845 | rcu_read_lock(); |
abe60632 | 846 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
847 | if (!sta) { |
848 | rcu_read_unlock(); | |
c5dd9c2b | 849 | return -ENOENT; |
d0709a65 | 850 | } |
c5dd9c2b | 851 | |
f698d856 | 852 | err = mesh_path_add(dst, sdata); |
d0709a65 JB |
853 | if (err) { |
854 | rcu_read_unlock(); | |
c5dd9c2b | 855 | return err; |
d0709a65 | 856 | } |
c5dd9c2b | 857 | |
f698d856 | 858 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
859 | if (!mpath) { |
860 | rcu_read_unlock(); | |
c5dd9c2b LCC |
861 | return -ENXIO; |
862 | } | |
863 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 864 | |
c5dd9c2b LCC |
865 | rcu_read_unlock(); |
866 | return 0; | |
867 | } | |
868 | ||
869 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
870 | u8 *dst) | |
871 | { | |
f698d856 JBG |
872 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
873 | ||
c5dd9c2b | 874 | if (dst) |
f698d856 | 875 | return mesh_path_del(dst, sdata); |
c5dd9c2b | 876 | |
f698d856 | 877 | mesh_path_flush(sdata); |
c5dd9c2b LCC |
878 | return 0; |
879 | } | |
880 | ||
881 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
882 | struct net_device *dev, | |
883 | u8 *dst, u8 *next_hop) | |
884 | { | |
14db74bc | 885 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
886 | struct mesh_path *mpath; |
887 | struct sta_info *sta; | |
888 | ||
14db74bc JB |
889 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
890 | ||
d0709a65 JB |
891 | rcu_read_lock(); |
892 | ||
abe60632 | 893 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
894 | if (!sta) { |
895 | rcu_read_unlock(); | |
c5dd9c2b | 896 | return -ENOENT; |
d0709a65 | 897 | } |
c5dd9c2b | 898 | |
f698d856 | 899 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
900 | if (!mpath) { |
901 | rcu_read_unlock(); | |
c5dd9c2b LCC |
902 | return -ENOENT; |
903 | } | |
904 | ||
905 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 906 | |
c5dd9c2b LCC |
907 | rcu_read_unlock(); |
908 | return 0; | |
909 | } | |
910 | ||
911 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
912 | struct mpath_info *pinfo) | |
913 | { | |
914 | if (mpath->next_hop) | |
17741cdc | 915 | memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN); |
c5dd9c2b LCC |
916 | else |
917 | memset(next_hop, 0, ETH_ALEN); | |
918 | ||
f5ea9120 JB |
919 | pinfo->generation = mesh_paths_generation; |
920 | ||
c5dd9c2b | 921 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 922 | MPATH_INFO_SN | |
c5dd9c2b LCC |
923 | MPATH_INFO_METRIC | |
924 | MPATH_INFO_EXPTIME | | |
925 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
926 | MPATH_INFO_DISCOVERY_RETRIES | | |
927 | MPATH_INFO_FLAGS; | |
928 | ||
929 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 930 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
931 | pinfo->metric = mpath->metric; |
932 | if (time_before(jiffies, mpath->exp_time)) | |
933 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
934 | pinfo->discovery_timeout = | |
935 | jiffies_to_msecs(mpath->discovery_timeout); | |
936 | pinfo->discovery_retries = mpath->discovery_retries; | |
937 | pinfo->flags = 0; | |
938 | if (mpath->flags & MESH_PATH_ACTIVE) | |
939 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
940 | if (mpath->flags & MESH_PATH_RESOLVING) | |
941 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
942 | if (mpath->flags & MESH_PATH_SN_VALID) |
943 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
944 | if (mpath->flags & MESH_PATH_FIXED) |
945 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
946 | if (mpath->flags & MESH_PATH_RESOLVING) | |
947 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
948 | ||
949 | pinfo->flags = mpath->flags; | |
950 | } | |
951 | ||
952 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
953 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
954 | ||
955 | { | |
14db74bc | 956 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
957 | struct mesh_path *mpath; |
958 | ||
14db74bc JB |
959 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
960 | ||
c5dd9c2b | 961 | rcu_read_lock(); |
f698d856 | 962 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
963 | if (!mpath) { |
964 | rcu_read_unlock(); | |
965 | return -ENOENT; | |
966 | } | |
967 | memcpy(dst, mpath->dst, ETH_ALEN); | |
968 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
969 | rcu_read_unlock(); | |
970 | return 0; | |
971 | } | |
972 | ||
973 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
974 | int idx, u8 *dst, u8 *next_hop, | |
975 | struct mpath_info *pinfo) | |
976 | { | |
14db74bc | 977 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
978 | struct mesh_path *mpath; |
979 | ||
14db74bc JB |
980 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
981 | ||
c5dd9c2b | 982 | rcu_read_lock(); |
f698d856 | 983 | mpath = mesh_path_lookup_by_idx(idx, sdata); |
c5dd9c2b LCC |
984 | if (!mpath) { |
985 | rcu_read_unlock(); | |
986 | return -ENOENT; | |
987 | } | |
988 | memcpy(dst, mpath->dst, ETH_ALEN); | |
989 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
990 | rcu_read_unlock(); | |
991 | return 0; | |
992 | } | |
93da9cc1 | 993 | |
994 | static int ieee80211_get_mesh_params(struct wiphy *wiphy, | |
995 | struct net_device *dev, | |
996 | struct mesh_config *conf) | |
997 | { | |
998 | struct ieee80211_sub_if_data *sdata; | |
999 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1000 | ||
93da9cc1 | 1001 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
1002 | return 0; | |
1003 | } | |
1004 | ||
1005 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1006 | { | |
1007 | return (mask >> (parm-1)) & 0x1; | |
1008 | } | |
1009 | ||
1010 | static int ieee80211_set_mesh_params(struct wiphy *wiphy, | |
1011 | struct net_device *dev, | |
1012 | const struct mesh_config *nconf, u32 mask) | |
1013 | { | |
1014 | struct mesh_config *conf; | |
1015 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1016 | struct ieee80211_if_mesh *ifmsh; |
1017 | ||
93da9cc1 | 1018 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1019 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1020 | |
93da9cc1 | 1021 | /* Set the config options which we are interested in setting */ |
1022 | conf = &(sdata->u.mesh.mshcfg); | |
1023 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1024 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1025 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1026 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1027 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1028 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1029 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1030 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1031 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1032 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1033 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1034 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
1035 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) | |
1036 | conf->auto_open_plinks = nconf->auto_open_plinks; | |
1037 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) | |
1038 | conf->dot11MeshHWMPmaxPREQretries = | |
1039 | nconf->dot11MeshHWMPmaxPREQretries; | |
1040 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1041 | conf->path_refresh_time = nconf->path_refresh_time; | |
1042 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1043 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1044 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1045 | conf->dot11MeshHWMPactivePathTimeout = | |
1046 | nconf->dot11MeshHWMPactivePathTimeout; | |
1047 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1048 | conf->dot11MeshHWMPpreqMinInterval = | |
1049 | nconf->dot11MeshHWMPpreqMinInterval; | |
1050 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
1051 | mask)) | |
1052 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1053 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1054 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1055 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1056 | ieee80211_mesh_root_setup(ifmsh); | |
1057 | } | |
93da9cc1 | 1058 | return 0; |
1059 | } | |
1060 | ||
c5dd9c2b LCC |
1061 | #endif |
1062 | ||
9f1ba906 JM |
1063 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1064 | struct net_device *dev, | |
1065 | struct bss_parameters *params) | |
1066 | { | |
9f1ba906 JM |
1067 | struct ieee80211_sub_if_data *sdata; |
1068 | u32 changed = 0; | |
1069 | ||
9f1ba906 JM |
1070 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1071 | ||
9f1ba906 | 1072 | if (params->use_cts_prot >= 0) { |
bda3933a | 1073 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1074 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1075 | } | |
1076 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1077 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1078 | params->use_short_preamble; |
1079 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1080 | } | |
43d35343 FF |
1081 | |
1082 | if (!sdata->vif.bss_conf.use_short_slot && | |
1083 | sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) { | |
1084 | sdata->vif.bss_conf.use_short_slot = true; | |
1085 | changed |= BSS_CHANGED_ERP_SLOT; | |
1086 | } | |
1087 | ||
9f1ba906 | 1088 | if (params->use_short_slot_time >= 0) { |
bda3933a | 1089 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1090 | params->use_short_slot_time; |
1091 | changed |= BSS_CHANGED_ERP_SLOT; | |
1092 | } | |
1093 | ||
90c97a04 JM |
1094 | if (params->basic_rates) { |
1095 | int i, j; | |
1096 | u32 rates = 0; | |
1097 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1098 | struct ieee80211_supported_band *sband = | |
1099 | wiphy->bands[local->oper_channel->band]; | |
1100 | ||
1101 | for (i = 0; i < params->basic_rates_len; i++) { | |
1102 | int rate = (params->basic_rates[i] & 0x7f) * 5; | |
1103 | for (j = 0; j < sband->n_bitrates; j++) { | |
1104 | if (sband->bitrates[j].bitrate == rate) | |
1105 | rates |= BIT(j); | |
1106 | } | |
1107 | } | |
1108 | sdata->vif.bss_conf.basic_rates = rates; | |
1109 | changed |= BSS_CHANGED_BASIC_RATES; | |
1110 | } | |
1111 | ||
7b7b5e56 FF |
1112 | if (params->ap_isolate >= 0) { |
1113 | if (params->ap_isolate) | |
1114 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1115 | else | |
1116 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1117 | } | |
1118 | ||
9f1ba906 JM |
1119 | ieee80211_bss_info_change_notify(sdata, changed); |
1120 | ||
1121 | return 0; | |
1122 | } | |
1123 | ||
31888487 JM |
1124 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
1125 | struct ieee80211_txq_params *params) | |
1126 | { | |
1127 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1128 | struct ieee80211_tx_queue_params p; | |
1129 | ||
1130 | if (!local->ops->conf_tx) | |
1131 | return -EOPNOTSUPP; | |
1132 | ||
1133 | memset(&p, 0, sizeof(p)); | |
1134 | p.aifs = params->aifs; | |
1135 | p.cw_max = params->cwmax; | |
1136 | p.cw_min = params->cwmin; | |
1137 | p.txop = params->txop; | |
ab13315a KV |
1138 | |
1139 | /* | |
1140 | * Setting tx queue params disables u-apsd because it's only | |
1141 | * called in master mode. | |
1142 | */ | |
1143 | p.uapsd = false; | |
1144 | ||
24487981 | 1145 | if (drv_conf_tx(local, params->queue, &p)) { |
31888487 | 1146 | printk(KERN_DEBUG "%s: failed to set TX queue " |
0bffe40f JB |
1147 | "parameters for queue %d\n", |
1148 | wiphy_name(local->hw.wiphy), params->queue); | |
31888487 JM |
1149 | return -EINVAL; |
1150 | } | |
1151 | ||
1152 | return 0; | |
1153 | } | |
1154 | ||
72bdcf34 | 1155 | static int ieee80211_set_channel(struct wiphy *wiphy, |
f444de05 | 1156 | struct net_device *netdev, |
72bdcf34 | 1157 | struct ieee80211_channel *chan, |
094d05dc | 1158 | enum nl80211_channel_type channel_type) |
72bdcf34 JM |
1159 | { |
1160 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
0aaffa9b JB |
1161 | struct ieee80211_sub_if_data *sdata = NULL; |
1162 | ||
1163 | if (netdev) | |
1164 | sdata = IEEE80211_DEV_TO_SUB_IF(netdev); | |
72bdcf34 | 1165 | |
f444de05 JB |
1166 | switch (ieee80211_get_channel_mode(local, NULL)) { |
1167 | case CHAN_MODE_HOPPING: | |
1168 | return -EBUSY; | |
1169 | case CHAN_MODE_FIXED: | |
0aaffa9b JB |
1170 | if (local->oper_channel != chan) |
1171 | return -EBUSY; | |
1172 | if (!sdata && local->_oper_channel_type == channel_type) | |
f444de05 | 1173 | return 0; |
0aaffa9b | 1174 | break; |
f444de05 JB |
1175 | case CHAN_MODE_UNDEFINED: |
1176 | break; | |
1177 | } | |
72bdcf34 JM |
1178 | |
1179 | local->oper_channel = chan; | |
72bdcf34 | 1180 | |
0aaffa9b JB |
1181 | if (!ieee80211_set_channel_type(local, sdata, channel_type)) |
1182 | return -EBUSY; | |
1183 | ||
1184 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); | |
1185 | if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) | |
1186 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); | |
1187 | ||
1188 | return 0; | |
72bdcf34 JM |
1189 | } |
1190 | ||
665af4fc BC |
1191 | #ifdef CONFIG_PM |
1192 | static int ieee80211_suspend(struct wiphy *wiphy) | |
1193 | { | |
1194 | return __ieee80211_suspend(wiphy_priv(wiphy)); | |
1195 | } | |
1196 | ||
1197 | static int ieee80211_resume(struct wiphy *wiphy) | |
1198 | { | |
1199 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1200 | } | |
1201 | #else | |
1202 | #define ieee80211_suspend NULL | |
1203 | #define ieee80211_resume NULL | |
1204 | #endif | |
1205 | ||
2a519311 JB |
1206 | static int ieee80211_scan(struct wiphy *wiphy, |
1207 | struct net_device *dev, | |
1208 | struct cfg80211_scan_request *req) | |
1209 | { | |
1210 | struct ieee80211_sub_if_data *sdata; | |
1211 | ||
2a519311 JB |
1212 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1213 | ||
1214 | if (sdata->vif.type != NL80211_IFTYPE_STATION && | |
1215 | sdata->vif.type != NL80211_IFTYPE_ADHOC && | |
357303e2 JM |
1216 | sdata->vif.type != NL80211_IFTYPE_MESH_POINT && |
1217 | (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon)) | |
2a519311 JB |
1218 | return -EOPNOTSUPP; |
1219 | ||
1220 | return ieee80211_request_scan(sdata, req); | |
1221 | } | |
1222 | ||
636a5d36 JM |
1223 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
1224 | struct cfg80211_auth_request *req) | |
1225 | { | |
77fdaa12 | 1226 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1227 | } |
1228 | ||
1229 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
1230 | struct cfg80211_assoc_request *req) | |
1231 | { | |
f444de05 JB |
1232 | struct ieee80211_local *local = wiphy_priv(wiphy); |
1233 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1234 | ||
1235 | switch (ieee80211_get_channel_mode(local, sdata)) { | |
1236 | case CHAN_MODE_HOPPING: | |
1237 | return -EBUSY; | |
1238 | case CHAN_MODE_FIXED: | |
1239 | if (local->oper_channel == req->bss->channel) | |
1240 | break; | |
1241 | return -EBUSY; | |
1242 | case CHAN_MODE_UNDEFINED: | |
1243 | break; | |
1244 | } | |
1245 | ||
77fdaa12 | 1246 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1247 | } |
1248 | ||
1249 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1250 | struct cfg80211_deauth_request *req, |
1251 | void *cookie) | |
636a5d36 | 1252 | { |
667503dd JB |
1253 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), |
1254 | req, cookie); | |
636a5d36 JM |
1255 | } |
1256 | ||
1257 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1258 | struct cfg80211_disassoc_request *req, |
1259 | void *cookie) | |
636a5d36 | 1260 | { |
667503dd JB |
1261 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), |
1262 | req, cookie); | |
636a5d36 JM |
1263 | } |
1264 | ||
af8cdcd8 JB |
1265 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
1266 | struct cfg80211_ibss_params *params) | |
1267 | { | |
f444de05 | 1268 | struct ieee80211_local *local = wiphy_priv(wiphy); |
af8cdcd8 JB |
1269 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1270 | ||
f444de05 JB |
1271 | switch (ieee80211_get_channel_mode(local, sdata)) { |
1272 | case CHAN_MODE_HOPPING: | |
1273 | return -EBUSY; | |
1274 | case CHAN_MODE_FIXED: | |
1275 | if (!params->channel_fixed) | |
1276 | return -EBUSY; | |
1277 | if (local->oper_channel == params->channel) | |
1278 | break; | |
1279 | return -EBUSY; | |
1280 | case CHAN_MODE_UNDEFINED: | |
1281 | break; | |
1282 | } | |
1283 | ||
af8cdcd8 JB |
1284 | return ieee80211_ibss_join(sdata, params); |
1285 | } | |
1286 | ||
1287 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1288 | { | |
1289 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1290 | ||
1291 | return ieee80211_ibss_leave(sdata); | |
1292 | } | |
1293 | ||
b9a5f8ca JM |
1294 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1295 | { | |
1296 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 1297 | int err; |
b9a5f8ca | 1298 | |
310bc676 LT |
1299 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) { |
1300 | err = drv_set_coverage_class(local, wiphy->coverage_class); | |
1301 | ||
1302 | if (err) | |
1303 | return err; | |
1304 | } | |
1305 | ||
b9a5f8ca | 1306 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 1307 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 1308 | |
24487981 JB |
1309 | if (err) |
1310 | return err; | |
b9a5f8ca JM |
1311 | } |
1312 | ||
1313 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1314 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; | |
1315 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1316 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; | |
1317 | if (changed & | |
1318 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
1319 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
1320 | ||
1321 | return 0; | |
1322 | } | |
1323 | ||
7643a2c3 | 1324 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
fa61cf70 | 1325 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
1326 | { |
1327 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1328 | struct ieee80211_channel *chan = local->hw.conf.channel; | |
1329 | u32 changes = 0; | |
7643a2c3 JB |
1330 | |
1331 | switch (type) { | |
fa61cf70 | 1332 | case NL80211_TX_POWER_AUTOMATIC: |
7643a2c3 JB |
1333 | local->user_power_level = -1; |
1334 | break; | |
fa61cf70 JO |
1335 | case NL80211_TX_POWER_LIMITED: |
1336 | if (mbm < 0 || (mbm % 100)) | |
1337 | return -EOPNOTSUPP; | |
1338 | local->user_power_level = MBM_TO_DBM(mbm); | |
7643a2c3 | 1339 | break; |
fa61cf70 JO |
1340 | case NL80211_TX_POWER_FIXED: |
1341 | if (mbm < 0 || (mbm % 100)) | |
1342 | return -EOPNOTSUPP; | |
7643a2c3 | 1343 | /* TODO: move to cfg80211 when it knows the channel */ |
fa61cf70 | 1344 | if (MBM_TO_DBM(mbm) > chan->max_power) |
7643a2c3 | 1345 | return -EINVAL; |
fa61cf70 | 1346 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 1347 | break; |
7643a2c3 JB |
1348 | } |
1349 | ||
1350 | ieee80211_hw_config(local, changes); | |
1351 | ||
1352 | return 0; | |
1353 | } | |
1354 | ||
1355 | static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm) | |
1356 | { | |
1357 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1358 | ||
1359 | *dbm = local->hw.conf.power_level; | |
1360 | ||
7643a2c3 JB |
1361 | return 0; |
1362 | } | |
1363 | ||
ab737a4f JB |
1364 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
1365 | u8 *addr) | |
1366 | { | |
1367 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1368 | ||
1369 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
1370 | ||
1371 | return 0; | |
1372 | } | |
1373 | ||
1f87f7d3 JB |
1374 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
1375 | { | |
1376 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1377 | ||
1378 | drv_rfkill_poll(local); | |
1379 | } | |
1380 | ||
aff89a9b | 1381 | #ifdef CONFIG_NL80211_TESTMODE |
99783e2c | 1382 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len) |
aff89a9b JB |
1383 | { |
1384 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1385 | ||
1386 | if (!local->ops->testmode_cmd) | |
1387 | return -EOPNOTSUPP; | |
1388 | ||
1389 | return local->ops->testmode_cmd(&local->hw, data, len); | |
1390 | } | |
1391 | #endif | |
1392 | ||
0f78231b JB |
1393 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
1394 | enum ieee80211_smps_mode smps_mode) | |
1395 | { | |
1396 | const u8 *ap; | |
1397 | enum ieee80211_smps_mode old_req; | |
1398 | int err; | |
1399 | ||
1400 | old_req = sdata->u.mgd.req_smps; | |
1401 | sdata->u.mgd.req_smps = smps_mode; | |
1402 | ||
1403 | if (old_req == smps_mode && | |
1404 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
1405 | return 0; | |
1406 | ||
1407 | /* | |
1408 | * If not associated, or current association is not an HT | |
1409 | * association, there's no need to send an action frame. | |
1410 | */ | |
1411 | if (!sdata->u.mgd.associated || | |
0aaffa9b | 1412 | sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) { |
0f78231b JB |
1413 | mutex_lock(&sdata->local->iflist_mtx); |
1414 | ieee80211_recalc_smps(sdata->local, sdata); | |
1415 | mutex_unlock(&sdata->local->iflist_mtx); | |
1416 | return 0; | |
1417 | } | |
1418 | ||
0c1ad2ca | 1419 | ap = sdata->u.mgd.associated->bssid; |
0f78231b JB |
1420 | |
1421 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { | |
1422 | if (sdata->u.mgd.powersave) | |
1423 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
1424 | else | |
1425 | smps_mode = IEEE80211_SMPS_OFF; | |
1426 | } | |
1427 | ||
1428 | /* send SM PS frame to AP */ | |
1429 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
1430 | ap, ap); | |
1431 | if (err) | |
1432 | sdata->u.mgd.req_smps = old_req; | |
1433 | ||
1434 | return err; | |
1435 | } | |
1436 | ||
bc92afd9 JB |
1437 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
1438 | bool enabled, int timeout) | |
1439 | { | |
1440 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1441 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 1442 | |
e5de30c9 BP |
1443 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
1444 | return -EOPNOTSUPP; | |
1445 | ||
bc92afd9 JB |
1446 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) |
1447 | return -EOPNOTSUPP; | |
1448 | ||
1449 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 1450 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
1451 | return 0; |
1452 | ||
1453 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 1454 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 1455 | |
0f78231b JB |
1456 | /* no change, but if automatic follow powersave */ |
1457 | mutex_lock(&sdata->u.mgd.mtx); | |
1458 | __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps); | |
1459 | mutex_unlock(&sdata->u.mgd.mtx); | |
1460 | ||
bc92afd9 JB |
1461 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) |
1462 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
1463 | ||
1464 | ieee80211_recalc_ps(local, -1); | |
1465 | ||
1466 | return 0; | |
1467 | } | |
1468 | ||
a97c13c3 JO |
1469 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
1470 | struct net_device *dev, | |
1471 | s32 rssi_thold, u32 rssi_hyst) | |
1472 | { | |
1473 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1474 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
1475 | struct ieee80211_vif *vif = &sdata->vif; | |
1476 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
1477 | ||
a97c13c3 JO |
1478 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
1479 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
1480 | return 0; | |
1481 | ||
1482 | bss_conf->cqm_rssi_thold = rssi_thold; | |
1483 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
1484 | ||
17e4ec14 JM |
1485 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) { |
1486 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
1487 | return -EOPNOTSUPP; | |
1488 | return 0; | |
1489 | } | |
1490 | ||
a97c13c3 JO |
1491 | /* tell the driver upon association, unless already associated */ |
1492 | if (sdata->u.mgd.associated) | |
1493 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); | |
1494 | ||
1495 | return 0; | |
1496 | } | |
1497 | ||
9930380f JB |
1498 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
1499 | struct net_device *dev, | |
1500 | const u8 *addr, | |
1501 | const struct cfg80211_bitrate_mask *mask) | |
1502 | { | |
1503 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1504 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
2c7e6bc9 | 1505 | int i; |
9930380f | 1506 | |
2c7e6bc9 JB |
1507 | /* |
1508 | * This _could_ be supported by providing a hook for | |
1509 | * drivers for this function, but at this point it | |
1510 | * doesn't seem worth bothering. | |
1511 | */ | |
1512 | if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) | |
1513 | return -EOPNOTSUPP; | |
1514 | ||
9930380f | 1515 | |
37eb0b16 JM |
1516 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
1517 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; | |
9930380f | 1518 | |
37eb0b16 | 1519 | return 0; |
9930380f JB |
1520 | } |
1521 | ||
b8bc4b0a JB |
1522 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
1523 | struct net_device *dev, | |
1524 | struct ieee80211_channel *chan, | |
1525 | enum nl80211_channel_type channel_type, | |
1526 | unsigned int duration, | |
1527 | u64 *cookie) | |
1528 | { | |
1529 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1530 | ||
1531 | return ieee80211_wk_remain_on_channel(sdata, chan, channel_type, | |
1532 | duration, cookie); | |
1533 | } | |
1534 | ||
1535 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, | |
1536 | struct net_device *dev, | |
1537 | u64 cookie) | |
1538 | { | |
1539 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1540 | ||
1541 | return ieee80211_wk_cancel_remain_on_channel(sdata, cookie); | |
1542 | } | |
1543 | ||
026331c4 JM |
1544 | static int ieee80211_action(struct wiphy *wiphy, struct net_device *dev, |
1545 | struct ieee80211_channel *chan, | |
1546 | enum nl80211_channel_type channel_type, | |
252aa631 | 1547 | bool channel_type_valid, |
026331c4 JM |
1548 | const u8 *buf, size_t len, u64 *cookie) |
1549 | { | |
9d38d85d JB |
1550 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1551 | struct ieee80211_local *local = sdata->local; | |
1552 | struct sk_buff *skb; | |
1553 | struct sta_info *sta; | |
1554 | const struct ieee80211_mgmt *mgmt = (void *)buf; | |
1555 | u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
1556 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
1557 | ||
1558 | /* Check that we are on the requested channel for transmission */ | |
1559 | if (chan != local->tmp_channel && | |
1560 | chan != local->oper_channel) | |
1561 | return -EBUSY; | |
1562 | if (channel_type_valid && | |
1563 | (channel_type != local->tmp_channel_type && | |
1564 | channel_type != local->_oper_channel_type)) | |
1565 | return -EBUSY; | |
1566 | ||
1567 | switch (sdata->vif.type) { | |
1568 | case NL80211_IFTYPE_ADHOC: | |
1569 | if (mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) | |
1570 | break; | |
1571 | rcu_read_lock(); | |
1572 | sta = sta_info_get(sdata, mgmt->da); | |
1573 | rcu_read_unlock(); | |
1574 | if (!sta) | |
1575 | return -ENOLINK; | |
1576 | break; | |
1577 | case NL80211_IFTYPE_STATION: | |
1578 | if (!(sdata->u.mgd.flags & IEEE80211_STA_MFP_ENABLED)) | |
1579 | flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT; | |
1580 | break; | |
1581 | default: | |
1582 | return -EOPNOTSUPP; | |
1583 | } | |
1584 | ||
1585 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + len); | |
1586 | if (!skb) | |
1587 | return -ENOMEM; | |
1588 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
1589 | ||
1590 | memcpy(skb_put(skb, len), buf, len); | |
1591 | ||
1592 | IEEE80211_SKB_CB(skb)->flags = flags; | |
1593 | ||
1594 | skb->dev = sdata->dev; | |
1595 | ieee80211_tx_skb(sdata, skb); | |
1596 | ||
1597 | *cookie = (unsigned long) skb; | |
1598 | return 0; | |
026331c4 JM |
1599 | } |
1600 | ||
f0706e82 JB |
1601 | struct cfg80211_ops mac80211_config_ops = { |
1602 | .add_virtual_intf = ieee80211_add_iface, | |
1603 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 1604 | .change_virtual_intf = ieee80211_change_iface, |
e8cbb4cb JB |
1605 | .add_key = ieee80211_add_key, |
1606 | .del_key = ieee80211_del_key, | |
62da92fb | 1607 | .get_key = ieee80211_get_key, |
e8cbb4cb | 1608 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 1609 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
5dfdaf58 JB |
1610 | .add_beacon = ieee80211_add_beacon, |
1611 | .set_beacon = ieee80211_set_beacon, | |
1612 | .del_beacon = ieee80211_del_beacon, | |
4fd6931e JB |
1613 | .add_station = ieee80211_add_station, |
1614 | .del_station = ieee80211_del_station, | |
1615 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 1616 | .get_station = ieee80211_get_station, |
c5dd9c2b | 1617 | .dump_station = ieee80211_dump_station, |
1289723e | 1618 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
1619 | #ifdef CONFIG_MAC80211_MESH |
1620 | .add_mpath = ieee80211_add_mpath, | |
1621 | .del_mpath = ieee80211_del_mpath, | |
1622 | .change_mpath = ieee80211_change_mpath, | |
1623 | .get_mpath = ieee80211_get_mpath, | |
1624 | .dump_mpath = ieee80211_dump_mpath, | |
93da9cc1 | 1625 | .set_mesh_params = ieee80211_set_mesh_params, |
1626 | .get_mesh_params = ieee80211_get_mesh_params, | |
c5dd9c2b | 1627 | #endif |
9f1ba906 | 1628 | .change_bss = ieee80211_change_bss, |
31888487 | 1629 | .set_txq_params = ieee80211_set_txq_params, |
72bdcf34 | 1630 | .set_channel = ieee80211_set_channel, |
665af4fc BC |
1631 | .suspend = ieee80211_suspend, |
1632 | .resume = ieee80211_resume, | |
2a519311 | 1633 | .scan = ieee80211_scan, |
636a5d36 JM |
1634 | .auth = ieee80211_auth, |
1635 | .assoc = ieee80211_assoc, | |
1636 | .deauth = ieee80211_deauth, | |
1637 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
1638 | .join_ibss = ieee80211_join_ibss, |
1639 | .leave_ibss = ieee80211_leave_ibss, | |
b9a5f8ca | 1640 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
1641 | .set_tx_power = ieee80211_set_tx_power, |
1642 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 1643 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 1644 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 1645 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
bc92afd9 | 1646 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 1647 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
1648 | .remain_on_channel = ieee80211_remain_on_channel, |
1649 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
026331c4 | 1650 | .action = ieee80211_action, |
a97c13c3 | 1651 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
f0706e82 | 1652 | }; |