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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 | |
f0706e82 | 22 | static int ieee80211_add_iface(struct wiphy *wiphy, char *name, |
2ec600d6 LCC |
23 | enum nl80211_iftype type, u32 *flags, |
24 | struct vif_params *params) | |
f0706e82 JB |
25 | { |
26 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
8cc9a739 MW |
27 | struct net_device *dev; |
28 | struct ieee80211_sub_if_data *sdata; | |
29 | int err; | |
f0706e82 | 30 | |
05c914fe JB |
31 | err = ieee80211_if_add(local, name, &dev, type, params); |
32 | if (err || type != NL80211_IFTYPE_MONITOR || !flags) | |
8cc9a739 MW |
33 | return err; |
34 | ||
35 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
36 | sdata->u.mntr_flags = *flags; | |
37 | return 0; | |
f0706e82 JB |
38 | } |
39 | ||
463d0183 | 40 | static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev) |
f0706e82 | 41 | { |
463d0183 | 42 | ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev)); |
f0706e82 | 43 | |
75636525 | 44 | return 0; |
f0706e82 JB |
45 | } |
46 | ||
e36d56b6 JB |
47 | static int ieee80211_change_iface(struct wiphy *wiphy, |
48 | struct net_device *dev, | |
2ec600d6 LCC |
49 | enum nl80211_iftype type, u32 *flags, |
50 | struct vif_params *params) | |
42613db7 | 51 | { |
9607e6b6 | 52 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
f3947e2d | 53 | int ret; |
42613db7 | 54 | |
05c914fe | 55 | ret = ieee80211_if_change_type(sdata, type); |
f3947e2d JB |
56 | if (ret) |
57 | return ret; | |
42613db7 | 58 | |
902acc78 | 59 | if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len) |
472dbc45 JB |
60 | ieee80211_sdata_set_mesh_id(sdata, |
61 | params->mesh_id_len, | |
62 | params->mesh_id); | |
c5dd9c2b | 63 | |
9bc383de JB |
64 | if (type == NL80211_IFTYPE_AP_VLAN && |
65 | params && params->use_4addr == 0) | |
66 | rcu_assign_pointer(sdata->u.vlan.sta, NULL); | |
67 | else if (type == NL80211_IFTYPE_STATION && | |
68 | params && params->use_4addr >= 0) | |
69 | sdata->u.mgd.use_4addr = params->use_4addr; | |
70 | ||
85416a4f CL |
71 | if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) { |
72 | struct ieee80211_local *local = sdata->local; | |
73 | ||
74 | if (ieee80211_sdata_running(sdata)) { | |
75 | /* | |
76 | * Prohibit MONITOR_FLAG_COOK_FRAMES to be | |
77 | * changed while the interface is up. | |
78 | * Else we would need to add a lot of cruft | |
79 | * to update everything: | |
80 | * cooked_mntrs, monitor and all fif_* counters | |
81 | * reconfigure hardware | |
82 | */ | |
83 | if ((*flags & MONITOR_FLAG_COOK_FRAMES) != | |
84 | (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES)) | |
85 | return -EBUSY; | |
86 | ||
87 | ieee80211_adjust_monitor_flags(sdata, -1); | |
88 | sdata->u.mntr_flags = *flags; | |
89 | ieee80211_adjust_monitor_flags(sdata, 1); | |
90 | ||
91 | ieee80211_configure_filter(local); | |
92 | } else { | |
93 | /* | |
94 | * Because the interface is down, ieee80211_do_stop | |
95 | * and ieee80211_do_open take care of "everything" | |
96 | * mentioned in the comment above. | |
97 | */ | |
98 | sdata->u.mntr_flags = *flags; | |
99 | } | |
100 | } | |
f7917af9 | 101 | |
42613db7 JB |
102 | return 0; |
103 | } | |
104 | ||
e8cbb4cb | 105 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 | 106 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
e8cbb4cb JB |
107 | struct key_params *params) |
108 | { | |
26a58456 | 109 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
e8cbb4cb | 110 | struct sta_info *sta = NULL; |
db4d1169 | 111 | struct ieee80211_key *key; |
3b96766f | 112 | int err; |
e8cbb4cb | 113 | |
26a58456 | 114 | if (!ieee80211_sdata_running(sdata)) |
ad0e2b5a JB |
115 | return -ENETDOWN; |
116 | ||
97359d12 | 117 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
e8cbb4cb JB |
118 | switch (params->cipher) { |
119 | case WLAN_CIPHER_SUITE_WEP40: | |
e8cbb4cb | 120 | case WLAN_CIPHER_SUITE_TKIP: |
97359d12 JB |
121 | case WLAN_CIPHER_SUITE_WEP104: |
122 | if (IS_ERR(sdata->local->wep_tx_tfm)) | |
123 | return -EINVAL; | |
3cfcf6ac | 124 | break; |
e8cbb4cb | 125 | default: |
97359d12 | 126 | break; |
e8cbb4cb JB |
127 | } |
128 | ||
97359d12 JB |
129 | key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, |
130 | params->key, params->seq_len, params->seq); | |
1ac62ba7 BH |
131 | if (IS_ERR(key)) |
132 | return PTR_ERR(key); | |
db4d1169 | 133 | |
e31b8213 JB |
134 | if (pairwise) |
135 | key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; | |
136 | ||
ad0e2b5a | 137 | mutex_lock(&sdata->local->sta_mtx); |
3b96766f | 138 | |
e8cbb4cb | 139 | if (mac_addr) { |
0e5ded5a | 140 | sta = sta_info_get_bss(sdata, mac_addr); |
db4d1169 | 141 | if (!sta) { |
32162a4d | 142 | ieee80211_key_free(sdata->local, key); |
3b96766f JB |
143 | err = -ENOENT; |
144 | goto out_unlock; | |
db4d1169 | 145 | } |
e8cbb4cb JB |
146 | } |
147 | ||
3ffc2a90 JB |
148 | err = ieee80211_key_link(key, sdata, sta); |
149 | if (err) | |
150 | ieee80211_key_free(sdata->local, key); | |
db4d1169 | 151 | |
3b96766f | 152 | out_unlock: |
ad0e2b5a | 153 | mutex_unlock(&sdata->local->sta_mtx); |
3b96766f JB |
154 | |
155 | return err; | |
e8cbb4cb JB |
156 | } |
157 | ||
158 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
e31b8213 | 159 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
e8cbb4cb JB |
160 | { |
161 | struct ieee80211_sub_if_data *sdata; | |
162 | struct sta_info *sta; | |
163 | int ret; | |
164 | ||
165 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
166 | ||
ad0e2b5a | 167 | mutex_lock(&sdata->local->sta_mtx); |
3b96766f | 168 | |
e8cbb4cb | 169 | if (mac_addr) { |
3b96766f JB |
170 | ret = -ENOENT; |
171 | ||
0e5ded5a | 172 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 173 | if (!sta) |
3b96766f | 174 | goto out_unlock; |
e8cbb4cb | 175 | |
e31b8213 JB |
176 | if (pairwise) { |
177 | if (sta->ptk) { | |
178 | ieee80211_key_free(sdata->local, sta->ptk); | |
179 | ret = 0; | |
180 | } | |
181 | } else { | |
182 | if (sta->gtk[key_idx]) { | |
183 | ieee80211_key_free(sdata->local, | |
184 | sta->gtk[key_idx]); | |
185 | ret = 0; | |
186 | } | |
3b96766f | 187 | } |
e8cbb4cb | 188 | |
3b96766f | 189 | goto out_unlock; |
e8cbb4cb JB |
190 | } |
191 | ||
3b96766f JB |
192 | if (!sdata->keys[key_idx]) { |
193 | ret = -ENOENT; | |
194 | goto out_unlock; | |
195 | } | |
e8cbb4cb | 196 | |
32162a4d | 197 | ieee80211_key_free(sdata->local, sdata->keys[key_idx]); |
db4d1169 | 198 | WARN_ON(sdata->keys[key_idx]); |
e8cbb4cb | 199 | |
3b96766f JB |
200 | ret = 0; |
201 | out_unlock: | |
ad0e2b5a | 202 | mutex_unlock(&sdata->local->sta_mtx); |
3b96766f JB |
203 | |
204 | return ret; | |
e8cbb4cb JB |
205 | } |
206 | ||
62da92fb | 207 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 JB |
208 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
209 | void *cookie, | |
62da92fb JB |
210 | void (*callback)(void *cookie, |
211 | struct key_params *params)) | |
212 | { | |
14db74bc | 213 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
214 | struct sta_info *sta = NULL; |
215 | u8 seq[6] = {0}; | |
216 | struct key_params params; | |
e31b8213 | 217 | struct ieee80211_key *key = NULL; |
62da92fb JB |
218 | u32 iv32; |
219 | u16 iv16; | |
220 | int err = -ENOENT; | |
221 | ||
14db74bc JB |
222 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
223 | ||
3b96766f JB |
224 | rcu_read_lock(); |
225 | ||
62da92fb | 226 | if (mac_addr) { |
0e5ded5a | 227 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
228 | if (!sta) |
229 | goto out; | |
230 | ||
e31b8213 JB |
231 | if (pairwise) |
232 | key = sta->ptk; | |
233 | else if (key_idx < NUM_DEFAULT_KEYS) | |
234 | key = sta->gtk[key_idx]; | |
62da92fb JB |
235 | } else |
236 | key = sdata->keys[key_idx]; | |
237 | ||
238 | if (!key) | |
239 | goto out; | |
240 | ||
241 | memset(¶ms, 0, sizeof(params)); | |
242 | ||
97359d12 | 243 | params.cipher = key->conf.cipher; |
62da92fb | 244 | |
97359d12 JB |
245 | switch (key->conf.cipher) { |
246 | case WLAN_CIPHER_SUITE_TKIP: | |
b0f76b33 HH |
247 | iv32 = key->u.tkip.tx.iv32; |
248 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 249 | |
24487981 JB |
250 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
251 | drv_get_tkip_seq(sdata->local, | |
252 | key->conf.hw_key_idx, | |
253 | &iv32, &iv16); | |
62da92fb JB |
254 | |
255 | seq[0] = iv16 & 0xff; | |
256 | seq[1] = (iv16 >> 8) & 0xff; | |
257 | seq[2] = iv32 & 0xff; | |
258 | seq[3] = (iv32 >> 8) & 0xff; | |
259 | seq[4] = (iv32 >> 16) & 0xff; | |
260 | seq[5] = (iv32 >> 24) & 0xff; | |
261 | params.seq = seq; | |
262 | params.seq_len = 6; | |
263 | break; | |
97359d12 | 264 | case WLAN_CIPHER_SUITE_CCMP: |
62da92fb JB |
265 | seq[0] = key->u.ccmp.tx_pn[5]; |
266 | seq[1] = key->u.ccmp.tx_pn[4]; | |
267 | seq[2] = key->u.ccmp.tx_pn[3]; | |
268 | seq[3] = key->u.ccmp.tx_pn[2]; | |
269 | seq[4] = key->u.ccmp.tx_pn[1]; | |
270 | seq[5] = key->u.ccmp.tx_pn[0]; | |
271 | params.seq = seq; | |
272 | params.seq_len = 6; | |
273 | break; | |
97359d12 | 274 | case WLAN_CIPHER_SUITE_AES_CMAC: |
3cfcf6ac JM |
275 | seq[0] = key->u.aes_cmac.tx_pn[5]; |
276 | seq[1] = key->u.aes_cmac.tx_pn[4]; | |
277 | seq[2] = key->u.aes_cmac.tx_pn[3]; | |
278 | seq[3] = key->u.aes_cmac.tx_pn[2]; | |
279 | seq[4] = key->u.aes_cmac.tx_pn[1]; | |
280 | seq[5] = key->u.aes_cmac.tx_pn[0]; | |
281 | params.seq = seq; | |
282 | params.seq_len = 6; | |
283 | break; | |
62da92fb JB |
284 | } |
285 | ||
286 | params.key = key->conf.key; | |
287 | params.key_len = key->conf.keylen; | |
288 | ||
289 | callback(cookie, ¶ms); | |
290 | err = 0; | |
291 | ||
292 | out: | |
3b96766f | 293 | rcu_read_unlock(); |
62da92fb JB |
294 | return err; |
295 | } | |
296 | ||
e8cbb4cb JB |
297 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
298 | struct net_device *dev, | |
299 | u8 key_idx) | |
300 | { | |
ad0e2b5a | 301 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 302 | |
e8cbb4cb JB |
303 | ieee80211_set_default_key(sdata, key_idx); |
304 | ||
305 | return 0; | |
306 | } | |
307 | ||
3cfcf6ac JM |
308 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
309 | struct net_device *dev, | |
310 | u8 key_idx) | |
311 | { | |
66c52421 | 312 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 313 | |
3cfcf6ac JM |
314 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
315 | ||
3cfcf6ac JM |
316 | return 0; |
317 | } | |
318 | ||
c5dd9c2b LCC |
319 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
320 | { | |
d0709a65 | 321 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
c5dd9c2b | 322 | |
f5ea9120 JB |
323 | sinfo->generation = sdata->local->sta_generation; |
324 | ||
c5dd9c2b LCC |
325 | sinfo->filled = STATION_INFO_INACTIVE_TIME | |
326 | STATION_INFO_RX_BYTES | | |
420e7fab | 327 | STATION_INFO_TX_BYTES | |
98c8a60a JM |
328 | STATION_INFO_RX_PACKETS | |
329 | STATION_INFO_TX_PACKETS | | |
b206b4ef BR |
330 | STATION_INFO_TX_RETRIES | |
331 | STATION_INFO_TX_FAILED | | |
420e7fab | 332 | STATION_INFO_TX_BITRATE; |
c5dd9c2b LCC |
333 | |
334 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
335 | sinfo->rx_bytes = sta->rx_bytes; | |
336 | sinfo->tx_bytes = sta->tx_bytes; | |
98c8a60a JM |
337 | sinfo->rx_packets = sta->rx_packets; |
338 | sinfo->tx_packets = sta->tx_packets; | |
b206b4ef BR |
339 | sinfo->tx_retries = sta->tx_retry_count; |
340 | sinfo->tx_failed = sta->tx_retry_failed; | |
c5dd9c2b | 341 | |
19deffbe JL |
342 | if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || |
343 | (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { | |
420e7fab HR |
344 | sinfo->filled |= STATION_INFO_SIGNAL; |
345 | sinfo->signal = (s8)sta->last_signal; | |
346 | } | |
347 | ||
348 | sinfo->txrate.flags = 0; | |
349 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS) | |
350 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
351 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH) | |
352 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
353 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI) | |
354 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
355 | ||
356 | if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) { | |
357 | struct ieee80211_supported_band *sband; | |
358 | sband = sta->local->hw.wiphy->bands[ | |
359 | sta->local->hw.conf.channel->band]; | |
360 | sinfo->txrate.legacy = | |
361 | sband->bitrates[sta->last_tx_rate.idx].bitrate; | |
362 | } else | |
363 | sinfo->txrate.mcs = sta->last_tx_rate.idx; | |
364 | ||
902acc78 | 365 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 366 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
367 | sinfo->filled |= STATION_INFO_LLID | |
368 | STATION_INFO_PLID | | |
369 | STATION_INFO_PLINK_STATE; | |
370 | ||
371 | sinfo->llid = le16_to_cpu(sta->llid); | |
372 | sinfo->plid = le16_to_cpu(sta->plid); | |
373 | sinfo->plink_state = sta->plink_state; | |
c5dd9c2b | 374 | #endif |
902acc78 | 375 | } |
c5dd9c2b LCC |
376 | } |
377 | ||
378 | ||
379 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
380 | int idx, u8 *mac, struct station_info *sinfo) | |
381 | { | |
3b53fde8 | 382 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
c5dd9c2b | 383 | struct sta_info *sta; |
d0709a65 JB |
384 | int ret = -ENOENT; |
385 | ||
386 | rcu_read_lock(); | |
c5dd9c2b | 387 | |
3b53fde8 | 388 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
389 | if (sta) { |
390 | ret = 0; | |
17741cdc | 391 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
392 | sta_set_sinfo(sta, sinfo); |
393 | } | |
c5dd9c2b | 394 | |
d0709a65 | 395 | rcu_read_unlock(); |
c5dd9c2b | 396 | |
d0709a65 | 397 | return ret; |
c5dd9c2b LCC |
398 | } |
399 | ||
1289723e HS |
400 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
401 | int idx, struct survey_info *survey) | |
402 | { | |
403 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
404 | ||
1289723e HS |
405 | return drv_get_survey(local, idx, survey); |
406 | } | |
407 | ||
7bbdd2d9 | 408 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 409 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 410 | { |
abe60632 | 411 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
7bbdd2d9 | 412 | struct sta_info *sta; |
d0709a65 | 413 | int ret = -ENOENT; |
7bbdd2d9 | 414 | |
d0709a65 | 415 | rcu_read_lock(); |
7bbdd2d9 | 416 | |
0e5ded5a | 417 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
418 | if (sta) { |
419 | ret = 0; | |
420 | sta_set_sinfo(sta, sinfo); | |
421 | } | |
422 | ||
423 | rcu_read_unlock(); | |
424 | ||
425 | return ret; | |
7bbdd2d9 JB |
426 | } |
427 | ||
5dfdaf58 JB |
428 | /* |
429 | * This handles both adding a beacon and setting new beacon info | |
430 | */ | |
431 | static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, | |
432 | struct beacon_parameters *params) | |
433 | { | |
434 | struct beacon_data *new, *old; | |
435 | int new_head_len, new_tail_len; | |
436 | int size; | |
437 | int err = -EINVAL; | |
438 | ||
439 | old = sdata->u.ap.beacon; | |
440 | ||
441 | /* head must not be zero-length */ | |
442 | if (params->head && !params->head_len) | |
443 | return -EINVAL; | |
444 | ||
445 | /* | |
446 | * This is a kludge. beacon interval should really be part | |
447 | * of the beacon information. | |
448 | */ | |
57c4d7b4 JB |
449 | if (params->interval && |
450 | (sdata->vif.bss_conf.beacon_int != params->interval)) { | |
451 | sdata->vif.bss_conf.beacon_int = params->interval; | |
452 | ieee80211_bss_info_change_notify(sdata, | |
453 | BSS_CHANGED_BEACON_INT); | |
5dfdaf58 JB |
454 | } |
455 | ||
456 | /* Need to have a beacon head if we don't have one yet */ | |
457 | if (!params->head && !old) | |
458 | return err; | |
459 | ||
460 | /* sorry, no way to start beaconing without dtim period */ | |
461 | if (!params->dtim_period && !old) | |
462 | return err; | |
463 | ||
464 | /* new or old head? */ | |
465 | if (params->head) | |
466 | new_head_len = params->head_len; | |
467 | else | |
468 | new_head_len = old->head_len; | |
469 | ||
470 | /* new or old tail? */ | |
471 | if (params->tail || !old) | |
472 | /* params->tail_len will be zero for !params->tail */ | |
473 | new_tail_len = params->tail_len; | |
474 | else | |
475 | new_tail_len = old->tail_len; | |
476 | ||
477 | size = sizeof(*new) + new_head_len + new_tail_len; | |
478 | ||
479 | new = kzalloc(size, GFP_KERNEL); | |
480 | if (!new) | |
481 | return -ENOMEM; | |
482 | ||
483 | /* start filling the new info now */ | |
484 | ||
485 | /* new or old dtim period? */ | |
486 | if (params->dtim_period) | |
487 | new->dtim_period = params->dtim_period; | |
488 | else | |
489 | new->dtim_period = old->dtim_period; | |
490 | ||
491 | /* | |
492 | * pointers go into the block we allocated, | |
493 | * memory is | beacon_data | head | tail | | |
494 | */ | |
495 | new->head = ((u8 *) new) + sizeof(*new); | |
496 | new->tail = new->head + new_head_len; | |
497 | new->head_len = new_head_len; | |
498 | new->tail_len = new_tail_len; | |
499 | ||
500 | /* copy in head */ | |
501 | if (params->head) | |
502 | memcpy(new->head, params->head, new_head_len); | |
503 | else | |
504 | memcpy(new->head, old->head, new_head_len); | |
505 | ||
506 | /* copy in optional tail */ | |
507 | if (params->tail) | |
508 | memcpy(new->tail, params->tail, new_tail_len); | |
509 | else | |
510 | if (old) | |
511 | memcpy(new->tail, old->tail, new_tail_len); | |
512 | ||
19885c4f JB |
513 | sdata->vif.bss_conf.dtim_period = new->dtim_period; |
514 | ||
5dfdaf58 JB |
515 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
516 | ||
517 | synchronize_rcu(); | |
518 | ||
519 | kfree(old); | |
520 | ||
2d0ddec5 JB |
521 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED | |
522 | BSS_CHANGED_BEACON); | |
523 | return 0; | |
5dfdaf58 JB |
524 | } |
525 | ||
526 | static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, | |
527 | struct beacon_parameters *params) | |
528 | { | |
14db74bc | 529 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
530 | struct beacon_data *old; |
531 | ||
14db74bc JB |
532 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
533 | ||
5dfdaf58 JB |
534 | old = sdata->u.ap.beacon; |
535 | ||
536 | if (old) | |
537 | return -EALREADY; | |
538 | ||
539 | return ieee80211_config_beacon(sdata, params); | |
540 | } | |
541 | ||
542 | static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, | |
543 | struct beacon_parameters *params) | |
544 | { | |
14db74bc | 545 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
546 | struct beacon_data *old; |
547 | ||
14db74bc JB |
548 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
549 | ||
5dfdaf58 JB |
550 | old = sdata->u.ap.beacon; |
551 | ||
552 | if (!old) | |
553 | return -ENOENT; | |
554 | ||
555 | return ieee80211_config_beacon(sdata, params); | |
556 | } | |
557 | ||
558 | static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) | |
559 | { | |
14db74bc | 560 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
561 | struct beacon_data *old; |
562 | ||
14db74bc JB |
563 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
564 | ||
5dfdaf58 JB |
565 | old = sdata->u.ap.beacon; |
566 | ||
567 | if (!old) | |
568 | return -ENOENT; | |
569 | ||
570 | rcu_assign_pointer(sdata->u.ap.beacon, NULL); | |
571 | synchronize_rcu(); | |
572 | kfree(old); | |
573 | ||
2d0ddec5 JB |
574 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
575 | return 0; | |
5dfdaf58 JB |
576 | } |
577 | ||
4fd6931e JB |
578 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
579 | struct iapp_layer2_update { | |
580 | u8 da[ETH_ALEN]; /* broadcast */ | |
581 | u8 sa[ETH_ALEN]; /* STA addr */ | |
582 | __be16 len; /* 6 */ | |
583 | u8 dsap; /* 0 */ | |
584 | u8 ssap; /* 0 */ | |
585 | u8 control; | |
586 | u8 xid_info[3]; | |
bc10502d | 587 | } __packed; |
4fd6931e JB |
588 | |
589 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
590 | { | |
591 | struct iapp_layer2_update *msg; | |
592 | struct sk_buff *skb; | |
593 | ||
594 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
595 | * bridge devices */ | |
596 | ||
597 | skb = dev_alloc_skb(sizeof(*msg)); | |
598 | if (!skb) | |
599 | return; | |
600 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
601 | ||
602 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
603 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
604 | ||
605 | memset(msg->da, 0xff, ETH_ALEN); | |
17741cdc | 606 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
607 | msg->len = htons(6); |
608 | msg->dsap = 0; | |
609 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
610 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
611 | * F=0 (no poll command; unsolicited frame) */ | |
612 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
613 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
614 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
615 | ||
d0709a65 JB |
616 | skb->dev = sta->sdata->dev; |
617 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 618 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 619 | netif_rx_ni(skb); |
4fd6931e JB |
620 | } |
621 | ||
622 | static void sta_apply_parameters(struct ieee80211_local *local, | |
623 | struct sta_info *sta, | |
624 | struct station_parameters *params) | |
625 | { | |
f5521b13 | 626 | unsigned long flags; |
4fd6931e JB |
627 | u32 rates; |
628 | int i, j; | |
8318d78a | 629 | struct ieee80211_supported_band *sband; |
d0709a65 | 630 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
eccb8e8f | 631 | u32 mask, set; |
4fd6931e | 632 | |
ae5eb026 JB |
633 | sband = local->hw.wiphy->bands[local->oper_channel->band]; |
634 | ||
f5521b13 | 635 | spin_lock_irqsave(&sta->flaglock, flags); |
eccb8e8f JB |
636 | mask = params->sta_flags_mask; |
637 | set = params->sta_flags_set; | |
73651ee6 | 638 | |
eccb8e8f | 639 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
4fd6931e | 640 | sta->flags &= ~WLAN_STA_AUTHORIZED; |
eccb8e8f | 641 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) |
4fd6931e | 642 | sta->flags |= WLAN_STA_AUTHORIZED; |
eccb8e8f | 643 | } |
4fd6931e | 644 | |
eccb8e8f | 645 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
4fd6931e | 646 | sta->flags &= ~WLAN_STA_SHORT_PREAMBLE; |
eccb8e8f | 647 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
4fd6931e | 648 | sta->flags |= WLAN_STA_SHORT_PREAMBLE; |
eccb8e8f | 649 | } |
4fd6931e | 650 | |
eccb8e8f | 651 | if (mask & BIT(NL80211_STA_FLAG_WME)) { |
4fd6931e | 652 | sta->flags &= ~WLAN_STA_WME; |
eccb8e8f | 653 | if (set & BIT(NL80211_STA_FLAG_WME)) |
4fd6931e | 654 | sta->flags |= WLAN_STA_WME; |
eccb8e8f | 655 | } |
5394af4d | 656 | |
eccb8e8f | 657 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
5394af4d | 658 | sta->flags &= ~WLAN_STA_MFP; |
eccb8e8f | 659 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
5394af4d | 660 | sta->flags |= WLAN_STA_MFP; |
4fd6931e | 661 | } |
f5521b13 | 662 | spin_unlock_irqrestore(&sta->flaglock, flags); |
4fd6931e | 663 | |
51b50fbe JB |
664 | /* |
665 | * cfg80211 validates this (1-2007) and allows setting the AID | |
666 | * only when creating a new station entry | |
667 | */ | |
668 | if (params->aid) | |
669 | sta->sta.aid = params->aid; | |
670 | ||
73651ee6 JB |
671 | /* |
672 | * FIXME: updating the following information is racy when this | |
673 | * function is called from ieee80211_change_station(). | |
674 | * However, all this information should be static so | |
675 | * maybe we should just reject attemps to change it. | |
676 | */ | |
677 | ||
4fd6931e JB |
678 | if (params->listen_interval >= 0) |
679 | sta->listen_interval = params->listen_interval; | |
680 | ||
681 | if (params->supported_rates) { | |
682 | rates = 0; | |
8318d78a | 683 | |
4fd6931e JB |
684 | for (i = 0; i < params->supported_rates_len; i++) { |
685 | int rate = (params->supported_rates[i] & 0x7f) * 5; | |
8318d78a JB |
686 | for (j = 0; j < sband->n_bitrates; j++) { |
687 | if (sband->bitrates[j].bitrate == rate) | |
4fd6931e JB |
688 | rates |= BIT(j); |
689 | } | |
690 | } | |
323ce79a | 691 | sta->sta.supp_rates[local->oper_channel->band] = rates; |
4fd6931e | 692 | } |
c5dd9c2b | 693 | |
d9fe60de | 694 | if (params->ht_capa) |
ae5eb026 JB |
695 | ieee80211_ht_cap_ie_to_sta_ht_cap(sband, |
696 | params->ht_capa, | |
d9fe60de | 697 | &sta->sta.ht_cap); |
36aedc90 | 698 | |
902acc78 | 699 | if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) { |
c5dd9c2b LCC |
700 | switch (params->plink_action) { |
701 | case PLINK_ACTION_OPEN: | |
702 | mesh_plink_open(sta); | |
703 | break; | |
704 | case PLINK_ACTION_BLOCK: | |
705 | mesh_plink_block(sta); | |
706 | break; | |
707 | } | |
902acc78 | 708 | } |
4fd6931e JB |
709 | } |
710 | ||
711 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
712 | u8 *mac, struct station_parameters *params) | |
713 | { | |
14db74bc | 714 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
715 | struct sta_info *sta; |
716 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 717 | int err; |
b8d476c8 | 718 | int layer2_update; |
4fd6931e | 719 | |
4fd6931e JB |
720 | if (params->vlan) { |
721 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
722 | ||
05c914fe JB |
723 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
724 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
725 | return -EINVAL; |
726 | } else | |
727 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
728 | ||
47846c9b | 729 | if (compare_ether_addr(mac, sdata->vif.addr) == 0) |
03e4497e JB |
730 | return -EINVAL; |
731 | ||
732 | if (is_multicast_ether_addr(mac)) | |
733 | return -EINVAL; | |
734 | ||
735 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
736 | if (!sta) |
737 | return -ENOMEM; | |
4fd6931e JB |
738 | |
739 | sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC; | |
740 | ||
741 | sta_apply_parameters(local, sta, params); | |
742 | ||
4b7679a5 | 743 | rate_control_rate_init(sta); |
4fd6931e | 744 | |
b8d476c8 JM |
745 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
746 | sdata->vif.type == NL80211_IFTYPE_AP; | |
747 | ||
34e89507 | 748 | err = sta_info_insert_rcu(sta); |
73651ee6 | 749 | if (err) { |
73651ee6 JB |
750 | rcu_read_unlock(); |
751 | return err; | |
752 | } | |
753 | ||
b8d476c8 | 754 | if (layer2_update) |
73651ee6 JB |
755 | ieee80211_send_layer2_update(sta); |
756 | ||
757 | rcu_read_unlock(); | |
758 | ||
4fd6931e JB |
759 | return 0; |
760 | } | |
761 | ||
762 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
763 | u8 *mac) | |
764 | { | |
14db74bc JB |
765 | struct ieee80211_local *local = wiphy_priv(wiphy); |
766 | struct ieee80211_sub_if_data *sdata; | |
4fd6931e | 767 | |
14db74bc JB |
768 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
769 | ||
34e89507 JB |
770 | if (mac) |
771 | return sta_info_destroy_addr_bss(sdata, mac); | |
4fd6931e | 772 | |
34e89507 | 773 | sta_info_flush(local, sdata); |
4fd6931e JB |
774 | return 0; |
775 | } | |
776 | ||
777 | static int ieee80211_change_station(struct wiphy *wiphy, | |
778 | struct net_device *dev, | |
779 | u8 *mac, | |
780 | struct station_parameters *params) | |
781 | { | |
abe60632 | 782 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 783 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
784 | struct sta_info *sta; |
785 | struct ieee80211_sub_if_data *vlansdata; | |
786 | ||
98dd6a57 JB |
787 | rcu_read_lock(); |
788 | ||
0e5ded5a | 789 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 JB |
790 | if (!sta) { |
791 | rcu_read_unlock(); | |
4fd6931e | 792 | return -ENOENT; |
98dd6a57 | 793 | } |
4fd6931e | 794 | |
d0709a65 | 795 | if (params->vlan && params->vlan != sta->sdata->dev) { |
4fd6931e JB |
796 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
797 | ||
05c914fe JB |
798 | if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
799 | vlansdata->vif.type != NL80211_IFTYPE_AP) { | |
98dd6a57 | 800 | rcu_read_unlock(); |
4fd6931e | 801 | return -EINVAL; |
98dd6a57 | 802 | } |
4fd6931e | 803 | |
9bc383de | 804 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c JB |
805 | if (vlansdata->u.vlan.sta) { |
806 | rcu_read_unlock(); | |
f14543ee | 807 | return -EBUSY; |
3305443c | 808 | } |
f14543ee FF |
809 | |
810 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); | |
811 | } | |
812 | ||
14db74bc | 813 | sta->sdata = vlansdata; |
4fd6931e JB |
814 | ieee80211_send_layer2_update(sta); |
815 | } | |
816 | ||
817 | sta_apply_parameters(local, sta, params); | |
818 | ||
98dd6a57 JB |
819 | rcu_read_unlock(); |
820 | ||
4fd6931e JB |
821 | return 0; |
822 | } | |
823 | ||
c5dd9c2b LCC |
824 | #ifdef CONFIG_MAC80211_MESH |
825 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
826 | u8 *dst, u8 *next_hop) | |
827 | { | |
14db74bc | 828 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
829 | struct mesh_path *mpath; |
830 | struct sta_info *sta; | |
831 | int err; | |
832 | ||
14db74bc JB |
833 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
834 | ||
d0709a65 | 835 | rcu_read_lock(); |
abe60632 | 836 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
837 | if (!sta) { |
838 | rcu_read_unlock(); | |
c5dd9c2b | 839 | return -ENOENT; |
d0709a65 | 840 | } |
c5dd9c2b | 841 | |
f698d856 | 842 | err = mesh_path_add(dst, sdata); |
d0709a65 JB |
843 | if (err) { |
844 | rcu_read_unlock(); | |
c5dd9c2b | 845 | return err; |
d0709a65 | 846 | } |
c5dd9c2b | 847 | |
f698d856 | 848 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
849 | if (!mpath) { |
850 | rcu_read_unlock(); | |
c5dd9c2b LCC |
851 | return -ENXIO; |
852 | } | |
853 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 854 | |
c5dd9c2b LCC |
855 | rcu_read_unlock(); |
856 | return 0; | |
857 | } | |
858 | ||
859 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
860 | u8 *dst) | |
861 | { | |
f698d856 JBG |
862 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
863 | ||
c5dd9c2b | 864 | if (dst) |
f698d856 | 865 | return mesh_path_del(dst, sdata); |
c5dd9c2b | 866 | |
f698d856 | 867 | mesh_path_flush(sdata); |
c5dd9c2b LCC |
868 | return 0; |
869 | } | |
870 | ||
871 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
872 | struct net_device *dev, | |
873 | u8 *dst, u8 *next_hop) | |
874 | { | |
14db74bc | 875 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
876 | struct mesh_path *mpath; |
877 | struct sta_info *sta; | |
878 | ||
14db74bc JB |
879 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
880 | ||
d0709a65 JB |
881 | rcu_read_lock(); |
882 | ||
abe60632 | 883 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
884 | if (!sta) { |
885 | rcu_read_unlock(); | |
c5dd9c2b | 886 | return -ENOENT; |
d0709a65 | 887 | } |
c5dd9c2b | 888 | |
f698d856 | 889 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
890 | if (!mpath) { |
891 | rcu_read_unlock(); | |
c5dd9c2b LCC |
892 | return -ENOENT; |
893 | } | |
894 | ||
895 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 896 | |
c5dd9c2b LCC |
897 | rcu_read_unlock(); |
898 | return 0; | |
899 | } | |
900 | ||
901 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
902 | struct mpath_info *pinfo) | |
903 | { | |
904 | if (mpath->next_hop) | |
17741cdc | 905 | memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN); |
c5dd9c2b LCC |
906 | else |
907 | memset(next_hop, 0, ETH_ALEN); | |
908 | ||
f5ea9120 JB |
909 | pinfo->generation = mesh_paths_generation; |
910 | ||
c5dd9c2b | 911 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 912 | MPATH_INFO_SN | |
c5dd9c2b LCC |
913 | MPATH_INFO_METRIC | |
914 | MPATH_INFO_EXPTIME | | |
915 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
916 | MPATH_INFO_DISCOVERY_RETRIES | | |
917 | MPATH_INFO_FLAGS; | |
918 | ||
919 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 920 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
921 | pinfo->metric = mpath->metric; |
922 | if (time_before(jiffies, mpath->exp_time)) | |
923 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
924 | pinfo->discovery_timeout = | |
925 | jiffies_to_msecs(mpath->discovery_timeout); | |
926 | pinfo->discovery_retries = mpath->discovery_retries; | |
927 | pinfo->flags = 0; | |
928 | if (mpath->flags & MESH_PATH_ACTIVE) | |
929 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
930 | if (mpath->flags & MESH_PATH_RESOLVING) | |
931 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
932 | if (mpath->flags & MESH_PATH_SN_VALID) |
933 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
934 | if (mpath->flags & MESH_PATH_FIXED) |
935 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
936 | if (mpath->flags & MESH_PATH_RESOLVING) | |
937 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
938 | ||
939 | pinfo->flags = mpath->flags; | |
940 | } | |
941 | ||
942 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
943 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
944 | ||
945 | { | |
14db74bc | 946 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
947 | struct mesh_path *mpath; |
948 | ||
14db74bc JB |
949 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
950 | ||
c5dd9c2b | 951 | rcu_read_lock(); |
f698d856 | 952 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
953 | if (!mpath) { |
954 | rcu_read_unlock(); | |
955 | return -ENOENT; | |
956 | } | |
957 | memcpy(dst, mpath->dst, ETH_ALEN); | |
958 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
959 | rcu_read_unlock(); | |
960 | return 0; | |
961 | } | |
962 | ||
963 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
964 | int idx, u8 *dst, u8 *next_hop, | |
965 | struct mpath_info *pinfo) | |
966 | { | |
14db74bc | 967 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
968 | struct mesh_path *mpath; |
969 | ||
14db74bc JB |
970 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
971 | ||
c5dd9c2b | 972 | rcu_read_lock(); |
f698d856 | 973 | mpath = mesh_path_lookup_by_idx(idx, sdata); |
c5dd9c2b LCC |
974 | if (!mpath) { |
975 | rcu_read_unlock(); | |
976 | return -ENOENT; | |
977 | } | |
978 | memcpy(dst, mpath->dst, ETH_ALEN); | |
979 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
980 | rcu_read_unlock(); | |
981 | return 0; | |
982 | } | |
93da9cc1 | 983 | |
984 | static int ieee80211_get_mesh_params(struct wiphy *wiphy, | |
985 | struct net_device *dev, | |
986 | struct mesh_config *conf) | |
987 | { | |
988 | struct ieee80211_sub_if_data *sdata; | |
989 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
990 | ||
93da9cc1 | 991 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
992 | return 0; | |
993 | } | |
994 | ||
995 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
996 | { | |
997 | return (mask >> (parm-1)) & 0x1; | |
998 | } | |
999 | ||
1000 | static int ieee80211_set_mesh_params(struct wiphy *wiphy, | |
1001 | struct net_device *dev, | |
1002 | const struct mesh_config *nconf, u32 mask) | |
1003 | { | |
1004 | struct mesh_config *conf; | |
1005 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1006 | struct ieee80211_if_mesh *ifmsh; |
1007 | ||
93da9cc1 | 1008 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1009 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1010 | |
93da9cc1 | 1011 | /* Set the config options which we are interested in setting */ |
1012 | conf = &(sdata->u.mesh.mshcfg); | |
1013 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1014 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1015 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1016 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1017 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1018 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1019 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1020 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1021 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1022 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1023 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1024 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
1025 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) | |
1026 | conf->auto_open_plinks = nconf->auto_open_plinks; | |
1027 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) | |
1028 | conf->dot11MeshHWMPmaxPREQretries = | |
1029 | nconf->dot11MeshHWMPmaxPREQretries; | |
1030 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1031 | conf->path_refresh_time = nconf->path_refresh_time; | |
1032 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1033 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1034 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1035 | conf->dot11MeshHWMPactivePathTimeout = | |
1036 | nconf->dot11MeshHWMPactivePathTimeout; | |
1037 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1038 | conf->dot11MeshHWMPpreqMinInterval = | |
1039 | nconf->dot11MeshHWMPpreqMinInterval; | |
1040 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
1041 | mask)) | |
1042 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1043 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1044 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1045 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1046 | ieee80211_mesh_root_setup(ifmsh); | |
1047 | } | |
93da9cc1 | 1048 | return 0; |
1049 | } | |
1050 | ||
c5dd9c2b LCC |
1051 | #endif |
1052 | ||
9f1ba906 JM |
1053 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1054 | struct net_device *dev, | |
1055 | struct bss_parameters *params) | |
1056 | { | |
9f1ba906 JM |
1057 | struct ieee80211_sub_if_data *sdata; |
1058 | u32 changed = 0; | |
1059 | ||
9f1ba906 JM |
1060 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1061 | ||
9f1ba906 | 1062 | if (params->use_cts_prot >= 0) { |
bda3933a | 1063 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1064 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1065 | } | |
1066 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1067 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1068 | params->use_short_preamble; |
1069 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1070 | } | |
43d35343 FF |
1071 | |
1072 | if (!sdata->vif.bss_conf.use_short_slot && | |
1073 | sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) { | |
1074 | sdata->vif.bss_conf.use_short_slot = true; | |
1075 | changed |= BSS_CHANGED_ERP_SLOT; | |
1076 | } | |
1077 | ||
9f1ba906 | 1078 | if (params->use_short_slot_time >= 0) { |
bda3933a | 1079 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1080 | params->use_short_slot_time; |
1081 | changed |= BSS_CHANGED_ERP_SLOT; | |
1082 | } | |
1083 | ||
90c97a04 JM |
1084 | if (params->basic_rates) { |
1085 | int i, j; | |
1086 | u32 rates = 0; | |
1087 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1088 | struct ieee80211_supported_band *sband = | |
1089 | wiphy->bands[local->oper_channel->band]; | |
1090 | ||
1091 | for (i = 0; i < params->basic_rates_len; i++) { | |
1092 | int rate = (params->basic_rates[i] & 0x7f) * 5; | |
1093 | for (j = 0; j < sband->n_bitrates; j++) { | |
1094 | if (sband->bitrates[j].bitrate == rate) | |
1095 | rates |= BIT(j); | |
1096 | } | |
1097 | } | |
1098 | sdata->vif.bss_conf.basic_rates = rates; | |
1099 | changed |= BSS_CHANGED_BASIC_RATES; | |
1100 | } | |
1101 | ||
7b7b5e56 FF |
1102 | if (params->ap_isolate >= 0) { |
1103 | if (params->ap_isolate) | |
1104 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1105 | else | |
1106 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1107 | } | |
1108 | ||
9f1ba906 JM |
1109 | ieee80211_bss_info_change_notify(sdata, changed); |
1110 | ||
1111 | return 0; | |
1112 | } | |
1113 | ||
31888487 JM |
1114 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
1115 | struct ieee80211_txq_params *params) | |
1116 | { | |
1117 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1118 | struct ieee80211_tx_queue_params p; | |
1119 | ||
1120 | if (!local->ops->conf_tx) | |
1121 | return -EOPNOTSUPP; | |
1122 | ||
1123 | memset(&p, 0, sizeof(p)); | |
1124 | p.aifs = params->aifs; | |
1125 | p.cw_max = params->cwmax; | |
1126 | p.cw_min = params->cwmin; | |
1127 | p.txop = params->txop; | |
ab13315a KV |
1128 | |
1129 | /* | |
1130 | * Setting tx queue params disables u-apsd because it's only | |
1131 | * called in master mode. | |
1132 | */ | |
1133 | p.uapsd = false; | |
1134 | ||
24487981 | 1135 | if (drv_conf_tx(local, params->queue, &p)) { |
0fb9a9ec JP |
1136 | wiphy_debug(local->hw.wiphy, |
1137 | "failed to set TX queue parameters for queue %d\n", | |
1138 | params->queue); | |
31888487 JM |
1139 | return -EINVAL; |
1140 | } | |
1141 | ||
1142 | return 0; | |
1143 | } | |
1144 | ||
72bdcf34 | 1145 | static int ieee80211_set_channel(struct wiphy *wiphy, |
f444de05 | 1146 | struct net_device *netdev, |
72bdcf34 | 1147 | struct ieee80211_channel *chan, |
094d05dc | 1148 | enum nl80211_channel_type channel_type) |
72bdcf34 JM |
1149 | { |
1150 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
0aaffa9b JB |
1151 | struct ieee80211_sub_if_data *sdata = NULL; |
1152 | ||
1153 | if (netdev) | |
1154 | sdata = IEEE80211_DEV_TO_SUB_IF(netdev); | |
72bdcf34 | 1155 | |
f444de05 JB |
1156 | switch (ieee80211_get_channel_mode(local, NULL)) { |
1157 | case CHAN_MODE_HOPPING: | |
1158 | return -EBUSY; | |
1159 | case CHAN_MODE_FIXED: | |
0aaffa9b JB |
1160 | if (local->oper_channel != chan) |
1161 | return -EBUSY; | |
1162 | if (!sdata && local->_oper_channel_type == channel_type) | |
f444de05 | 1163 | return 0; |
0aaffa9b | 1164 | break; |
f444de05 JB |
1165 | case CHAN_MODE_UNDEFINED: |
1166 | break; | |
1167 | } | |
72bdcf34 JM |
1168 | |
1169 | local->oper_channel = chan; | |
72bdcf34 | 1170 | |
0aaffa9b JB |
1171 | if (!ieee80211_set_channel_type(local, sdata, channel_type)) |
1172 | return -EBUSY; | |
1173 | ||
1174 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); | |
1175 | if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) | |
1176 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); | |
1177 | ||
1178 | return 0; | |
72bdcf34 JM |
1179 | } |
1180 | ||
665af4fc BC |
1181 | #ifdef CONFIG_PM |
1182 | static int ieee80211_suspend(struct wiphy *wiphy) | |
1183 | { | |
1184 | return __ieee80211_suspend(wiphy_priv(wiphy)); | |
1185 | } | |
1186 | ||
1187 | static int ieee80211_resume(struct wiphy *wiphy) | |
1188 | { | |
1189 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1190 | } | |
1191 | #else | |
1192 | #define ieee80211_suspend NULL | |
1193 | #define ieee80211_resume NULL | |
1194 | #endif | |
1195 | ||
2a519311 JB |
1196 | static int ieee80211_scan(struct wiphy *wiphy, |
1197 | struct net_device *dev, | |
1198 | struct cfg80211_scan_request *req) | |
1199 | { | |
2ca27bcf | 1200 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2a519311 | 1201 | |
2ca27bcf JB |
1202 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
1203 | case NL80211_IFTYPE_STATION: | |
1204 | case NL80211_IFTYPE_ADHOC: | |
1205 | case NL80211_IFTYPE_MESH_POINT: | |
1206 | case NL80211_IFTYPE_P2P_CLIENT: | |
1207 | break; | |
1208 | case NL80211_IFTYPE_P2P_GO: | |
1209 | if (sdata->local->ops->hw_scan) | |
1210 | break; | |
1211 | /* FIXME: implement NoA while scanning in software */ | |
2a519311 | 1212 | return -EOPNOTSUPP; |
2ca27bcf JB |
1213 | case NL80211_IFTYPE_AP: |
1214 | if (sdata->u.ap.beacon) | |
1215 | return -EOPNOTSUPP; | |
1216 | break; | |
1217 | default: | |
1218 | return -EOPNOTSUPP; | |
1219 | } | |
2a519311 JB |
1220 | |
1221 | return ieee80211_request_scan(sdata, req); | |
1222 | } | |
1223 | ||
636a5d36 JM |
1224 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
1225 | struct cfg80211_auth_request *req) | |
1226 | { | |
77fdaa12 | 1227 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1228 | } |
1229 | ||
1230 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
1231 | struct cfg80211_assoc_request *req) | |
1232 | { | |
f444de05 JB |
1233 | struct ieee80211_local *local = wiphy_priv(wiphy); |
1234 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1235 | ||
1236 | switch (ieee80211_get_channel_mode(local, sdata)) { | |
1237 | case CHAN_MODE_HOPPING: | |
1238 | return -EBUSY; | |
1239 | case CHAN_MODE_FIXED: | |
1240 | if (local->oper_channel == req->bss->channel) | |
1241 | break; | |
1242 | return -EBUSY; | |
1243 | case CHAN_MODE_UNDEFINED: | |
1244 | break; | |
1245 | } | |
1246 | ||
77fdaa12 | 1247 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1248 | } |
1249 | ||
1250 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1251 | struct cfg80211_deauth_request *req, |
1252 | void *cookie) | |
636a5d36 | 1253 | { |
667503dd JB |
1254 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), |
1255 | req, cookie); | |
636a5d36 JM |
1256 | } |
1257 | ||
1258 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1259 | struct cfg80211_disassoc_request *req, |
1260 | void *cookie) | |
636a5d36 | 1261 | { |
667503dd JB |
1262 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), |
1263 | req, cookie); | |
636a5d36 JM |
1264 | } |
1265 | ||
af8cdcd8 JB |
1266 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
1267 | struct cfg80211_ibss_params *params) | |
1268 | { | |
f444de05 | 1269 | struct ieee80211_local *local = wiphy_priv(wiphy); |
af8cdcd8 JB |
1270 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1271 | ||
f444de05 JB |
1272 | switch (ieee80211_get_channel_mode(local, sdata)) { |
1273 | case CHAN_MODE_HOPPING: | |
1274 | return -EBUSY; | |
1275 | case CHAN_MODE_FIXED: | |
1276 | if (!params->channel_fixed) | |
1277 | return -EBUSY; | |
1278 | if (local->oper_channel == params->channel) | |
1279 | break; | |
1280 | return -EBUSY; | |
1281 | case CHAN_MODE_UNDEFINED: | |
1282 | break; | |
1283 | } | |
1284 | ||
af8cdcd8 JB |
1285 | return ieee80211_ibss_join(sdata, params); |
1286 | } | |
1287 | ||
1288 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1289 | { | |
1290 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1291 | ||
1292 | return ieee80211_ibss_leave(sdata); | |
1293 | } | |
1294 | ||
b9a5f8ca JM |
1295 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1296 | { | |
1297 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 1298 | int err; |
b9a5f8ca | 1299 | |
310bc676 LT |
1300 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) { |
1301 | err = drv_set_coverage_class(local, wiphy->coverage_class); | |
1302 | ||
1303 | if (err) | |
1304 | return err; | |
1305 | } | |
1306 | ||
b9a5f8ca | 1307 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 1308 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 1309 | |
24487981 JB |
1310 | if (err) |
1311 | return err; | |
b9a5f8ca JM |
1312 | } |
1313 | ||
1314 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1315 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; | |
1316 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1317 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; | |
1318 | if (changed & | |
1319 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
1320 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
1321 | ||
1322 | return 0; | |
1323 | } | |
1324 | ||
7643a2c3 | 1325 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
fa61cf70 | 1326 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
1327 | { |
1328 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1329 | struct ieee80211_channel *chan = local->hw.conf.channel; | |
1330 | u32 changes = 0; | |
7643a2c3 JB |
1331 | |
1332 | switch (type) { | |
fa61cf70 | 1333 | case NL80211_TX_POWER_AUTOMATIC: |
7643a2c3 JB |
1334 | local->user_power_level = -1; |
1335 | break; | |
fa61cf70 JO |
1336 | case NL80211_TX_POWER_LIMITED: |
1337 | if (mbm < 0 || (mbm % 100)) | |
1338 | return -EOPNOTSUPP; | |
1339 | local->user_power_level = MBM_TO_DBM(mbm); | |
7643a2c3 | 1340 | break; |
fa61cf70 JO |
1341 | case NL80211_TX_POWER_FIXED: |
1342 | if (mbm < 0 || (mbm % 100)) | |
1343 | return -EOPNOTSUPP; | |
7643a2c3 | 1344 | /* TODO: move to cfg80211 when it knows the channel */ |
fa61cf70 | 1345 | if (MBM_TO_DBM(mbm) > chan->max_power) |
7643a2c3 | 1346 | return -EINVAL; |
fa61cf70 | 1347 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 1348 | break; |
7643a2c3 JB |
1349 | } |
1350 | ||
1351 | ieee80211_hw_config(local, changes); | |
1352 | ||
1353 | return 0; | |
1354 | } | |
1355 | ||
1356 | static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm) | |
1357 | { | |
1358 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1359 | ||
1360 | *dbm = local->hw.conf.power_level; | |
1361 | ||
7643a2c3 JB |
1362 | return 0; |
1363 | } | |
1364 | ||
ab737a4f JB |
1365 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
1366 | u8 *addr) | |
1367 | { | |
1368 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1369 | ||
1370 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
1371 | ||
1372 | return 0; | |
1373 | } | |
1374 | ||
1f87f7d3 JB |
1375 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
1376 | { | |
1377 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1378 | ||
1379 | drv_rfkill_poll(local); | |
1380 | } | |
1381 | ||
aff89a9b | 1382 | #ifdef CONFIG_NL80211_TESTMODE |
99783e2c | 1383 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len) |
aff89a9b JB |
1384 | { |
1385 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1386 | ||
1387 | if (!local->ops->testmode_cmd) | |
1388 | return -EOPNOTSUPP; | |
1389 | ||
1390 | return local->ops->testmode_cmd(&local->hw, data, len); | |
1391 | } | |
1392 | #endif | |
1393 | ||
0f78231b JB |
1394 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
1395 | enum ieee80211_smps_mode smps_mode) | |
1396 | { | |
1397 | const u8 *ap; | |
1398 | enum ieee80211_smps_mode old_req; | |
1399 | int err; | |
1400 | ||
1401 | old_req = sdata->u.mgd.req_smps; | |
1402 | sdata->u.mgd.req_smps = smps_mode; | |
1403 | ||
1404 | if (old_req == smps_mode && | |
1405 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
1406 | return 0; | |
1407 | ||
1408 | /* | |
1409 | * If not associated, or current association is not an HT | |
1410 | * association, there's no need to send an action frame. | |
1411 | */ | |
1412 | if (!sdata->u.mgd.associated || | |
0aaffa9b | 1413 | sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) { |
0f78231b | 1414 | mutex_lock(&sdata->local->iflist_mtx); |
025e6be2 | 1415 | ieee80211_recalc_smps(sdata->local); |
0f78231b JB |
1416 | mutex_unlock(&sdata->local->iflist_mtx); |
1417 | return 0; | |
1418 | } | |
1419 | ||
0c1ad2ca | 1420 | ap = sdata->u.mgd.associated->bssid; |
0f78231b JB |
1421 | |
1422 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { | |
1423 | if (sdata->u.mgd.powersave) | |
1424 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
1425 | else | |
1426 | smps_mode = IEEE80211_SMPS_OFF; | |
1427 | } | |
1428 | ||
1429 | /* send SM PS frame to AP */ | |
1430 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
1431 | ap, ap); | |
1432 | if (err) | |
1433 | sdata->u.mgd.req_smps = old_req; | |
1434 | ||
1435 | return err; | |
1436 | } | |
1437 | ||
bc92afd9 JB |
1438 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
1439 | bool enabled, int timeout) | |
1440 | { | |
1441 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1442 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 1443 | |
e5de30c9 BP |
1444 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
1445 | return -EOPNOTSUPP; | |
1446 | ||
bc92afd9 JB |
1447 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) |
1448 | return -EOPNOTSUPP; | |
1449 | ||
1450 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 1451 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
1452 | return 0; |
1453 | ||
1454 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 1455 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 1456 | |
0f78231b JB |
1457 | /* no change, but if automatic follow powersave */ |
1458 | mutex_lock(&sdata->u.mgd.mtx); | |
1459 | __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps); | |
1460 | mutex_unlock(&sdata->u.mgd.mtx); | |
1461 | ||
bc92afd9 JB |
1462 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) |
1463 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
1464 | ||
1465 | ieee80211_recalc_ps(local, -1); | |
1466 | ||
1467 | return 0; | |
1468 | } | |
1469 | ||
a97c13c3 JO |
1470 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
1471 | struct net_device *dev, | |
1472 | s32 rssi_thold, u32 rssi_hyst) | |
1473 | { | |
1474 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1475 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
1476 | struct ieee80211_vif *vif = &sdata->vif; | |
1477 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
1478 | ||
a97c13c3 JO |
1479 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
1480 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
1481 | return 0; | |
1482 | ||
1483 | bss_conf->cqm_rssi_thold = rssi_thold; | |
1484 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
1485 | ||
17e4ec14 JM |
1486 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) { |
1487 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
1488 | return -EOPNOTSUPP; | |
1489 | return 0; | |
1490 | } | |
1491 | ||
a97c13c3 JO |
1492 | /* tell the driver upon association, unless already associated */ |
1493 | if (sdata->u.mgd.associated) | |
1494 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); | |
1495 | ||
1496 | return 0; | |
1497 | } | |
1498 | ||
9930380f JB |
1499 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
1500 | struct net_device *dev, | |
1501 | const u8 *addr, | |
1502 | const struct cfg80211_bitrate_mask *mask) | |
1503 | { | |
1504 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1505 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
2c7e6bc9 | 1506 | int i; |
9930380f | 1507 | |
2c7e6bc9 JB |
1508 | /* |
1509 | * This _could_ be supported by providing a hook for | |
1510 | * drivers for this function, but at this point it | |
1511 | * doesn't seem worth bothering. | |
1512 | */ | |
1513 | if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) | |
1514 | return -EOPNOTSUPP; | |
1515 | ||
9930380f | 1516 | |
37eb0b16 JM |
1517 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
1518 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; | |
9930380f | 1519 | |
37eb0b16 | 1520 | return 0; |
9930380f JB |
1521 | } |
1522 | ||
b8bc4b0a JB |
1523 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
1524 | struct net_device *dev, | |
1525 | struct ieee80211_channel *chan, | |
1526 | enum nl80211_channel_type channel_type, | |
1527 | unsigned int duration, | |
1528 | u64 *cookie) | |
1529 | { | |
1530 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1531 | ||
1532 | return ieee80211_wk_remain_on_channel(sdata, chan, channel_type, | |
1533 | duration, cookie); | |
1534 | } | |
1535 | ||
1536 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, | |
1537 | struct net_device *dev, | |
1538 | u64 cookie) | |
1539 | { | |
1540 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1541 | ||
1542 | return ieee80211_wk_cancel_remain_on_channel(sdata, cookie); | |
1543 | } | |
1544 | ||
2e161f78 JB |
1545 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, |
1546 | struct ieee80211_channel *chan, | |
1547 | enum nl80211_channel_type channel_type, | |
1548 | bool channel_type_valid, | |
1549 | const u8 *buf, size_t len, u64 *cookie) | |
026331c4 | 1550 | { |
9d38d85d JB |
1551 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1552 | struct ieee80211_local *local = sdata->local; | |
1553 | struct sk_buff *skb; | |
1554 | struct sta_info *sta; | |
1555 | const struct ieee80211_mgmt *mgmt = (void *)buf; | |
1556 | u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
1557 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
1558 | ||
1559 | /* Check that we are on the requested channel for transmission */ | |
1560 | if (chan != local->tmp_channel && | |
1561 | chan != local->oper_channel) | |
1562 | return -EBUSY; | |
1563 | if (channel_type_valid && | |
1564 | (channel_type != local->tmp_channel_type && | |
1565 | channel_type != local->_oper_channel_type)) | |
1566 | return -EBUSY; | |
1567 | ||
1568 | switch (sdata->vif.type) { | |
1569 | case NL80211_IFTYPE_ADHOC: | |
663fcafd JB |
1570 | case NL80211_IFTYPE_AP: |
1571 | case NL80211_IFTYPE_AP_VLAN: | |
1572 | case NL80211_IFTYPE_P2P_GO: | |
1573 | if (!ieee80211_is_action(mgmt->frame_control) || | |
1574 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) | |
9d38d85d JB |
1575 | break; |
1576 | rcu_read_lock(); | |
1577 | sta = sta_info_get(sdata, mgmt->da); | |
1578 | rcu_read_unlock(); | |
1579 | if (!sta) | |
1580 | return -ENOLINK; | |
1581 | break; | |
1582 | case NL80211_IFTYPE_STATION: | |
663fcafd | 1583 | case NL80211_IFTYPE_P2P_CLIENT: |
9d38d85d JB |
1584 | break; |
1585 | default: | |
1586 | return -EOPNOTSUPP; | |
1587 | } | |
1588 | ||
1589 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + len); | |
1590 | if (!skb) | |
1591 | return -ENOMEM; | |
1592 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
1593 | ||
1594 | memcpy(skb_put(skb, len), buf, len); | |
1595 | ||
1596 | IEEE80211_SKB_CB(skb)->flags = flags; | |
1597 | ||
1598 | skb->dev = sdata->dev; | |
1599 | ieee80211_tx_skb(sdata, skb); | |
1600 | ||
1601 | *cookie = (unsigned long) skb; | |
1602 | return 0; | |
026331c4 JM |
1603 | } |
1604 | ||
f0706e82 JB |
1605 | struct cfg80211_ops mac80211_config_ops = { |
1606 | .add_virtual_intf = ieee80211_add_iface, | |
1607 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 1608 | .change_virtual_intf = ieee80211_change_iface, |
e8cbb4cb JB |
1609 | .add_key = ieee80211_add_key, |
1610 | .del_key = ieee80211_del_key, | |
62da92fb | 1611 | .get_key = ieee80211_get_key, |
e8cbb4cb | 1612 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 1613 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
5dfdaf58 JB |
1614 | .add_beacon = ieee80211_add_beacon, |
1615 | .set_beacon = ieee80211_set_beacon, | |
1616 | .del_beacon = ieee80211_del_beacon, | |
4fd6931e JB |
1617 | .add_station = ieee80211_add_station, |
1618 | .del_station = ieee80211_del_station, | |
1619 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 1620 | .get_station = ieee80211_get_station, |
c5dd9c2b | 1621 | .dump_station = ieee80211_dump_station, |
1289723e | 1622 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
1623 | #ifdef CONFIG_MAC80211_MESH |
1624 | .add_mpath = ieee80211_add_mpath, | |
1625 | .del_mpath = ieee80211_del_mpath, | |
1626 | .change_mpath = ieee80211_change_mpath, | |
1627 | .get_mpath = ieee80211_get_mpath, | |
1628 | .dump_mpath = ieee80211_dump_mpath, | |
93da9cc1 | 1629 | .set_mesh_params = ieee80211_set_mesh_params, |
1630 | .get_mesh_params = ieee80211_get_mesh_params, | |
c5dd9c2b | 1631 | #endif |
9f1ba906 | 1632 | .change_bss = ieee80211_change_bss, |
31888487 | 1633 | .set_txq_params = ieee80211_set_txq_params, |
72bdcf34 | 1634 | .set_channel = ieee80211_set_channel, |
665af4fc BC |
1635 | .suspend = ieee80211_suspend, |
1636 | .resume = ieee80211_resume, | |
2a519311 | 1637 | .scan = ieee80211_scan, |
636a5d36 JM |
1638 | .auth = ieee80211_auth, |
1639 | .assoc = ieee80211_assoc, | |
1640 | .deauth = ieee80211_deauth, | |
1641 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
1642 | .join_ibss = ieee80211_join_ibss, |
1643 | .leave_ibss = ieee80211_leave_ibss, | |
b9a5f8ca | 1644 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
1645 | .set_tx_power = ieee80211_set_tx_power, |
1646 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 1647 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 1648 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 1649 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
bc92afd9 | 1650 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 1651 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
1652 | .remain_on_channel = ieee80211_remain_on_channel, |
1653 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 1654 | .mgmt_tx = ieee80211_mgmt_tx, |
a97c13c3 | 1655 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
f0706e82 | 1656 | }; |