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 | |
f9e10ce4 JB |
22 | static struct net_device *ieee80211_add_iface(struct wiphy *wiphy, char *name, |
23 | enum nl80211_iftype type, | |
24 | u32 *flags, | |
25 | struct vif_params *params) | |
f0706e82 JB |
26 | { |
27 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
8cc9a739 MW |
28 | struct net_device *dev; |
29 | struct ieee80211_sub_if_data *sdata; | |
30 | int err; | |
f0706e82 | 31 | |
05c914fe | 32 | err = ieee80211_if_add(local, name, &dev, type, params); |
f9e10ce4 JB |
33 | if (err) |
34 | return ERR_PTR(err); | |
8cc9a739 | 35 | |
f9e10ce4 JB |
36 | if (type == NL80211_IFTYPE_MONITOR && flags) { |
37 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
38 | sdata->u.mntr_flags = *flags; | |
39 | } | |
40 | ||
41 | return dev; | |
f0706e82 JB |
42 | } |
43 | ||
463d0183 | 44 | static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev) |
f0706e82 | 45 | { |
463d0183 | 46 | ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev)); |
f0706e82 | 47 | |
75636525 | 48 | return 0; |
f0706e82 JB |
49 | } |
50 | ||
e36d56b6 JB |
51 | static int ieee80211_change_iface(struct wiphy *wiphy, |
52 | struct net_device *dev, | |
2ec600d6 LCC |
53 | enum nl80211_iftype type, u32 *flags, |
54 | struct vif_params *params) | |
42613db7 | 55 | { |
9607e6b6 | 56 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
f3947e2d | 57 | int ret; |
42613db7 | 58 | |
05c914fe | 59 | ret = ieee80211_if_change_type(sdata, type); |
f3947e2d JB |
60 | if (ret) |
61 | return ret; | |
42613db7 | 62 | |
902acc78 | 63 | if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len) |
472dbc45 JB |
64 | ieee80211_sdata_set_mesh_id(sdata, |
65 | params->mesh_id_len, | |
66 | params->mesh_id); | |
c5dd9c2b | 67 | |
9bc383de JB |
68 | if (type == NL80211_IFTYPE_AP_VLAN && |
69 | params && params->use_4addr == 0) | |
70 | rcu_assign_pointer(sdata->u.vlan.sta, NULL); | |
71 | else if (type == NL80211_IFTYPE_STATION && | |
72 | params && params->use_4addr >= 0) | |
73 | sdata->u.mgd.use_4addr = params->use_4addr; | |
74 | ||
85416a4f CL |
75 | if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags) { |
76 | struct ieee80211_local *local = sdata->local; | |
77 | ||
78 | if (ieee80211_sdata_running(sdata)) { | |
79 | /* | |
80 | * Prohibit MONITOR_FLAG_COOK_FRAMES to be | |
81 | * changed while the interface is up. | |
82 | * Else we would need to add a lot of cruft | |
83 | * to update everything: | |
84 | * cooked_mntrs, monitor and all fif_* counters | |
85 | * reconfigure hardware | |
86 | */ | |
87 | if ((*flags & MONITOR_FLAG_COOK_FRAMES) != | |
88 | (sdata->u.mntr_flags & MONITOR_FLAG_COOK_FRAMES)) | |
89 | return -EBUSY; | |
90 | ||
91 | ieee80211_adjust_monitor_flags(sdata, -1); | |
92 | sdata->u.mntr_flags = *flags; | |
93 | ieee80211_adjust_monitor_flags(sdata, 1); | |
94 | ||
95 | ieee80211_configure_filter(local); | |
96 | } else { | |
97 | /* | |
98 | * Because the interface is down, ieee80211_do_stop | |
99 | * and ieee80211_do_open take care of "everything" | |
100 | * mentioned in the comment above. | |
101 | */ | |
102 | sdata->u.mntr_flags = *flags; | |
103 | } | |
104 | } | |
f7917af9 | 105 | |
42613db7 JB |
106 | return 0; |
107 | } | |
108 | ||
e8cbb4cb | 109 | static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 | 110 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
e8cbb4cb JB |
111 | struct key_params *params) |
112 | { | |
26a58456 | 113 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
e8cbb4cb | 114 | struct sta_info *sta = NULL; |
db4d1169 | 115 | struct ieee80211_key *key; |
3b96766f | 116 | int err; |
e8cbb4cb | 117 | |
26a58456 | 118 | if (!ieee80211_sdata_running(sdata)) |
ad0e2b5a JB |
119 | return -ENETDOWN; |
120 | ||
97359d12 | 121 | /* reject WEP and TKIP keys if WEP failed to initialize */ |
e8cbb4cb JB |
122 | switch (params->cipher) { |
123 | case WLAN_CIPHER_SUITE_WEP40: | |
e8cbb4cb | 124 | case WLAN_CIPHER_SUITE_TKIP: |
97359d12 JB |
125 | case WLAN_CIPHER_SUITE_WEP104: |
126 | if (IS_ERR(sdata->local->wep_tx_tfm)) | |
127 | return -EINVAL; | |
3cfcf6ac | 128 | break; |
e8cbb4cb | 129 | default: |
97359d12 | 130 | break; |
e8cbb4cb JB |
131 | } |
132 | ||
97359d12 JB |
133 | key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len, |
134 | params->key, params->seq_len, params->seq); | |
1ac62ba7 BH |
135 | if (IS_ERR(key)) |
136 | return PTR_ERR(key); | |
db4d1169 | 137 | |
e31b8213 JB |
138 | if (pairwise) |
139 | key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE; | |
140 | ||
ad0e2b5a | 141 | mutex_lock(&sdata->local->sta_mtx); |
3b96766f | 142 | |
e8cbb4cb | 143 | if (mac_addr) { |
0e5ded5a | 144 | sta = sta_info_get_bss(sdata, mac_addr); |
db4d1169 | 145 | if (!sta) { |
32162a4d | 146 | ieee80211_key_free(sdata->local, key); |
3b96766f JB |
147 | err = -ENOENT; |
148 | goto out_unlock; | |
db4d1169 | 149 | } |
e8cbb4cb JB |
150 | } |
151 | ||
3ffc2a90 JB |
152 | err = ieee80211_key_link(key, sdata, sta); |
153 | if (err) | |
154 | ieee80211_key_free(sdata->local, key); | |
db4d1169 | 155 | |
3b96766f | 156 | out_unlock: |
ad0e2b5a | 157 | mutex_unlock(&sdata->local->sta_mtx); |
3b96766f JB |
158 | |
159 | return err; | |
e8cbb4cb JB |
160 | } |
161 | ||
162 | static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev, | |
e31b8213 | 163 | u8 key_idx, bool pairwise, const u8 *mac_addr) |
e8cbb4cb JB |
164 | { |
165 | struct ieee80211_sub_if_data *sdata; | |
166 | struct sta_info *sta; | |
167 | int ret; | |
168 | ||
169 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
170 | ||
ad0e2b5a | 171 | mutex_lock(&sdata->local->sta_mtx); |
3b96766f | 172 | |
e8cbb4cb | 173 | if (mac_addr) { |
3b96766f JB |
174 | ret = -ENOENT; |
175 | ||
0e5ded5a | 176 | sta = sta_info_get_bss(sdata, mac_addr); |
e8cbb4cb | 177 | if (!sta) |
3b96766f | 178 | goto out_unlock; |
e8cbb4cb | 179 | |
e31b8213 JB |
180 | if (pairwise) { |
181 | if (sta->ptk) { | |
182 | ieee80211_key_free(sdata->local, sta->ptk); | |
183 | ret = 0; | |
184 | } | |
185 | } else { | |
186 | if (sta->gtk[key_idx]) { | |
187 | ieee80211_key_free(sdata->local, | |
188 | sta->gtk[key_idx]); | |
189 | ret = 0; | |
190 | } | |
3b96766f | 191 | } |
e8cbb4cb | 192 | |
3b96766f | 193 | goto out_unlock; |
e8cbb4cb JB |
194 | } |
195 | ||
3b96766f JB |
196 | if (!sdata->keys[key_idx]) { |
197 | ret = -ENOENT; | |
198 | goto out_unlock; | |
199 | } | |
e8cbb4cb | 200 | |
32162a4d | 201 | ieee80211_key_free(sdata->local, sdata->keys[key_idx]); |
db4d1169 | 202 | WARN_ON(sdata->keys[key_idx]); |
e8cbb4cb | 203 | |
3b96766f JB |
204 | ret = 0; |
205 | out_unlock: | |
ad0e2b5a | 206 | mutex_unlock(&sdata->local->sta_mtx); |
3b96766f JB |
207 | |
208 | return ret; | |
e8cbb4cb JB |
209 | } |
210 | ||
62da92fb | 211 | static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev, |
e31b8213 JB |
212 | u8 key_idx, bool pairwise, const u8 *mac_addr, |
213 | void *cookie, | |
62da92fb JB |
214 | void (*callback)(void *cookie, |
215 | struct key_params *params)) | |
216 | { | |
14db74bc | 217 | struct ieee80211_sub_if_data *sdata; |
62da92fb JB |
218 | struct sta_info *sta = NULL; |
219 | u8 seq[6] = {0}; | |
220 | struct key_params params; | |
e31b8213 | 221 | struct ieee80211_key *key = NULL; |
62da92fb JB |
222 | u32 iv32; |
223 | u16 iv16; | |
224 | int err = -ENOENT; | |
225 | ||
14db74bc JB |
226 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
227 | ||
3b96766f JB |
228 | rcu_read_lock(); |
229 | ||
62da92fb | 230 | if (mac_addr) { |
0e5ded5a | 231 | sta = sta_info_get_bss(sdata, mac_addr); |
62da92fb JB |
232 | if (!sta) |
233 | goto out; | |
234 | ||
e31b8213 JB |
235 | if (pairwise) |
236 | key = sta->ptk; | |
237 | else if (key_idx < NUM_DEFAULT_KEYS) | |
238 | key = sta->gtk[key_idx]; | |
62da92fb JB |
239 | } else |
240 | key = sdata->keys[key_idx]; | |
241 | ||
242 | if (!key) | |
243 | goto out; | |
244 | ||
245 | memset(¶ms, 0, sizeof(params)); | |
246 | ||
97359d12 | 247 | params.cipher = key->conf.cipher; |
62da92fb | 248 | |
97359d12 JB |
249 | switch (key->conf.cipher) { |
250 | case WLAN_CIPHER_SUITE_TKIP: | |
b0f76b33 HH |
251 | iv32 = key->u.tkip.tx.iv32; |
252 | iv16 = key->u.tkip.tx.iv16; | |
62da92fb | 253 | |
24487981 JB |
254 | if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE) |
255 | drv_get_tkip_seq(sdata->local, | |
256 | key->conf.hw_key_idx, | |
257 | &iv32, &iv16); | |
62da92fb JB |
258 | |
259 | seq[0] = iv16 & 0xff; | |
260 | seq[1] = (iv16 >> 8) & 0xff; | |
261 | seq[2] = iv32 & 0xff; | |
262 | seq[3] = (iv32 >> 8) & 0xff; | |
263 | seq[4] = (iv32 >> 16) & 0xff; | |
264 | seq[5] = (iv32 >> 24) & 0xff; | |
265 | params.seq = seq; | |
266 | params.seq_len = 6; | |
267 | break; | |
97359d12 | 268 | case WLAN_CIPHER_SUITE_CCMP: |
62da92fb JB |
269 | seq[0] = key->u.ccmp.tx_pn[5]; |
270 | seq[1] = key->u.ccmp.tx_pn[4]; | |
271 | seq[2] = key->u.ccmp.tx_pn[3]; | |
272 | seq[3] = key->u.ccmp.tx_pn[2]; | |
273 | seq[4] = key->u.ccmp.tx_pn[1]; | |
274 | seq[5] = key->u.ccmp.tx_pn[0]; | |
275 | params.seq = seq; | |
276 | params.seq_len = 6; | |
277 | break; | |
97359d12 | 278 | case WLAN_CIPHER_SUITE_AES_CMAC: |
3cfcf6ac JM |
279 | seq[0] = key->u.aes_cmac.tx_pn[5]; |
280 | seq[1] = key->u.aes_cmac.tx_pn[4]; | |
281 | seq[2] = key->u.aes_cmac.tx_pn[3]; | |
282 | seq[3] = key->u.aes_cmac.tx_pn[2]; | |
283 | seq[4] = key->u.aes_cmac.tx_pn[1]; | |
284 | seq[5] = key->u.aes_cmac.tx_pn[0]; | |
285 | params.seq = seq; | |
286 | params.seq_len = 6; | |
287 | break; | |
62da92fb JB |
288 | } |
289 | ||
290 | params.key = key->conf.key; | |
291 | params.key_len = key->conf.keylen; | |
292 | ||
293 | callback(cookie, ¶ms); | |
294 | err = 0; | |
295 | ||
296 | out: | |
3b96766f | 297 | rcu_read_unlock(); |
62da92fb JB |
298 | return err; |
299 | } | |
300 | ||
e8cbb4cb JB |
301 | static int ieee80211_config_default_key(struct wiphy *wiphy, |
302 | struct net_device *dev, | |
303 | u8 key_idx) | |
304 | { | |
ad0e2b5a | 305 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3b96766f | 306 | |
e8cbb4cb JB |
307 | ieee80211_set_default_key(sdata, key_idx); |
308 | ||
309 | return 0; | |
310 | } | |
311 | ||
3cfcf6ac JM |
312 | static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy, |
313 | struct net_device *dev, | |
314 | u8 key_idx) | |
315 | { | |
66c52421 | 316 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
3cfcf6ac | 317 | |
3cfcf6ac JM |
318 | ieee80211_set_default_mgmt_key(sdata, key_idx); |
319 | ||
3cfcf6ac JM |
320 | return 0; |
321 | } | |
322 | ||
c5dd9c2b LCC |
323 | static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo) |
324 | { | |
d0709a65 | 325 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
c5dd9c2b | 326 | |
f5ea9120 JB |
327 | sinfo->generation = sdata->local->sta_generation; |
328 | ||
c5dd9c2b LCC |
329 | sinfo->filled = STATION_INFO_INACTIVE_TIME | |
330 | STATION_INFO_RX_BYTES | | |
420e7fab | 331 | STATION_INFO_TX_BYTES | |
98c8a60a JM |
332 | STATION_INFO_RX_PACKETS | |
333 | STATION_INFO_TX_PACKETS | | |
b206b4ef BR |
334 | STATION_INFO_TX_RETRIES | |
335 | STATION_INFO_TX_FAILED | | |
5a5c731a BG |
336 | STATION_INFO_TX_BITRATE | |
337 | STATION_INFO_RX_DROP_MISC; | |
c5dd9c2b LCC |
338 | |
339 | sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx); | |
340 | sinfo->rx_bytes = sta->rx_bytes; | |
341 | sinfo->tx_bytes = sta->tx_bytes; | |
98c8a60a JM |
342 | sinfo->rx_packets = sta->rx_packets; |
343 | sinfo->tx_packets = sta->tx_packets; | |
b206b4ef BR |
344 | sinfo->tx_retries = sta->tx_retry_count; |
345 | sinfo->tx_failed = sta->tx_retry_failed; | |
5a5c731a | 346 | sinfo->rx_dropped_misc = sta->rx_dropped; |
c5dd9c2b | 347 | |
19deffbe JL |
348 | if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) || |
349 | (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) { | |
ccb14354 | 350 | sinfo->filled |= STATION_INFO_SIGNAL; |
420e7fab HR |
351 | sinfo->signal = (s8)sta->last_signal; |
352 | } | |
353 | ||
354 | sinfo->txrate.flags = 0; | |
355 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS) | |
356 | sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS; | |
357 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH) | |
358 | sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH; | |
359 | if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI) | |
360 | sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI; | |
361 | ||
362 | if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) { | |
363 | struct ieee80211_supported_band *sband; | |
364 | sband = sta->local->hw.wiphy->bands[ | |
365 | sta->local->hw.conf.channel->band]; | |
366 | sinfo->txrate.legacy = | |
367 | sband->bitrates[sta->last_tx_rate.idx].bitrate; | |
368 | } else | |
369 | sinfo->txrate.mcs = sta->last_tx_rate.idx; | |
370 | ||
902acc78 | 371 | if (ieee80211_vif_is_mesh(&sdata->vif)) { |
c5dd9c2b | 372 | #ifdef CONFIG_MAC80211_MESH |
c5dd9c2b LCC |
373 | sinfo->filled |= STATION_INFO_LLID | |
374 | STATION_INFO_PLID | | |
375 | STATION_INFO_PLINK_STATE; | |
376 | ||
377 | sinfo->llid = le16_to_cpu(sta->llid); | |
378 | sinfo->plid = le16_to_cpu(sta->plid); | |
379 | sinfo->plink_state = sta->plink_state; | |
c5dd9c2b | 380 | #endif |
902acc78 | 381 | } |
c5dd9c2b LCC |
382 | } |
383 | ||
384 | ||
385 | static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev, | |
386 | int idx, u8 *mac, struct station_info *sinfo) | |
387 | { | |
3b53fde8 | 388 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
c5dd9c2b | 389 | struct sta_info *sta; |
d0709a65 JB |
390 | int ret = -ENOENT; |
391 | ||
392 | rcu_read_lock(); | |
c5dd9c2b | 393 | |
3b53fde8 | 394 | sta = sta_info_get_by_idx(sdata, idx); |
d0709a65 JB |
395 | if (sta) { |
396 | ret = 0; | |
17741cdc | 397 | memcpy(mac, sta->sta.addr, ETH_ALEN); |
d0709a65 JB |
398 | sta_set_sinfo(sta, sinfo); |
399 | } | |
c5dd9c2b | 400 | |
d0709a65 | 401 | rcu_read_unlock(); |
c5dd9c2b | 402 | |
d0709a65 | 403 | return ret; |
c5dd9c2b LCC |
404 | } |
405 | ||
1289723e HS |
406 | static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev, |
407 | int idx, struct survey_info *survey) | |
408 | { | |
409 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
410 | ||
1289723e HS |
411 | return drv_get_survey(local, idx, survey); |
412 | } | |
413 | ||
7bbdd2d9 | 414 | static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev, |
2ec600d6 | 415 | u8 *mac, struct station_info *sinfo) |
7bbdd2d9 | 416 | { |
abe60632 | 417 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
7bbdd2d9 | 418 | struct sta_info *sta; |
d0709a65 | 419 | int ret = -ENOENT; |
7bbdd2d9 | 420 | |
d0709a65 | 421 | rcu_read_lock(); |
7bbdd2d9 | 422 | |
0e5ded5a | 423 | sta = sta_info_get_bss(sdata, mac); |
d0709a65 JB |
424 | if (sta) { |
425 | ret = 0; | |
426 | sta_set_sinfo(sta, sinfo); | |
427 | } | |
428 | ||
429 | rcu_read_unlock(); | |
430 | ||
431 | return ret; | |
7bbdd2d9 JB |
432 | } |
433 | ||
5dfdaf58 JB |
434 | /* |
435 | * This handles both adding a beacon and setting new beacon info | |
436 | */ | |
437 | static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata, | |
438 | struct beacon_parameters *params) | |
439 | { | |
440 | struct beacon_data *new, *old; | |
441 | int new_head_len, new_tail_len; | |
442 | int size; | |
443 | int err = -EINVAL; | |
444 | ||
445 | old = sdata->u.ap.beacon; | |
446 | ||
447 | /* head must not be zero-length */ | |
448 | if (params->head && !params->head_len) | |
449 | return -EINVAL; | |
450 | ||
451 | /* | |
452 | * This is a kludge. beacon interval should really be part | |
453 | * of the beacon information. | |
454 | */ | |
57c4d7b4 JB |
455 | if (params->interval && |
456 | (sdata->vif.bss_conf.beacon_int != params->interval)) { | |
457 | sdata->vif.bss_conf.beacon_int = params->interval; | |
458 | ieee80211_bss_info_change_notify(sdata, | |
459 | BSS_CHANGED_BEACON_INT); | |
5dfdaf58 JB |
460 | } |
461 | ||
462 | /* Need to have a beacon head if we don't have one yet */ | |
463 | if (!params->head && !old) | |
464 | return err; | |
465 | ||
466 | /* sorry, no way to start beaconing without dtim period */ | |
467 | if (!params->dtim_period && !old) | |
468 | return err; | |
469 | ||
470 | /* new or old head? */ | |
471 | if (params->head) | |
472 | new_head_len = params->head_len; | |
473 | else | |
474 | new_head_len = old->head_len; | |
475 | ||
476 | /* new or old tail? */ | |
477 | if (params->tail || !old) | |
478 | /* params->tail_len will be zero for !params->tail */ | |
479 | new_tail_len = params->tail_len; | |
480 | else | |
481 | new_tail_len = old->tail_len; | |
482 | ||
483 | size = sizeof(*new) + new_head_len + new_tail_len; | |
484 | ||
485 | new = kzalloc(size, GFP_KERNEL); | |
486 | if (!new) | |
487 | return -ENOMEM; | |
488 | ||
489 | /* start filling the new info now */ | |
490 | ||
491 | /* new or old dtim period? */ | |
492 | if (params->dtim_period) | |
493 | new->dtim_period = params->dtim_period; | |
494 | else | |
495 | new->dtim_period = old->dtim_period; | |
496 | ||
497 | /* | |
498 | * pointers go into the block we allocated, | |
499 | * memory is | beacon_data | head | tail | | |
500 | */ | |
501 | new->head = ((u8 *) new) + sizeof(*new); | |
502 | new->tail = new->head + new_head_len; | |
503 | new->head_len = new_head_len; | |
504 | new->tail_len = new_tail_len; | |
505 | ||
506 | /* copy in head */ | |
507 | if (params->head) | |
508 | memcpy(new->head, params->head, new_head_len); | |
509 | else | |
510 | memcpy(new->head, old->head, new_head_len); | |
511 | ||
512 | /* copy in optional tail */ | |
513 | if (params->tail) | |
514 | memcpy(new->tail, params->tail, new_tail_len); | |
515 | else | |
516 | if (old) | |
517 | memcpy(new->tail, old->tail, new_tail_len); | |
518 | ||
19885c4f JB |
519 | sdata->vif.bss_conf.dtim_period = new->dtim_period; |
520 | ||
5dfdaf58 JB |
521 | rcu_assign_pointer(sdata->u.ap.beacon, new); |
522 | ||
523 | synchronize_rcu(); | |
524 | ||
525 | kfree(old); | |
526 | ||
2d0ddec5 JB |
527 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED | |
528 | BSS_CHANGED_BEACON); | |
529 | return 0; | |
5dfdaf58 JB |
530 | } |
531 | ||
532 | static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev, | |
533 | struct beacon_parameters *params) | |
534 | { | |
14db74bc | 535 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
536 | struct beacon_data *old; |
537 | ||
14db74bc JB |
538 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
539 | ||
5dfdaf58 JB |
540 | old = sdata->u.ap.beacon; |
541 | ||
542 | if (old) | |
543 | return -EALREADY; | |
544 | ||
545 | return ieee80211_config_beacon(sdata, params); | |
546 | } | |
547 | ||
548 | static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev, | |
549 | struct beacon_parameters *params) | |
550 | { | |
14db74bc | 551 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
552 | struct beacon_data *old; |
553 | ||
14db74bc JB |
554 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
555 | ||
5dfdaf58 JB |
556 | old = sdata->u.ap.beacon; |
557 | ||
558 | if (!old) | |
559 | return -ENOENT; | |
560 | ||
561 | return ieee80211_config_beacon(sdata, params); | |
562 | } | |
563 | ||
564 | static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev) | |
565 | { | |
14db74bc | 566 | struct ieee80211_sub_if_data *sdata; |
5dfdaf58 JB |
567 | struct beacon_data *old; |
568 | ||
14db74bc JB |
569 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
570 | ||
5dfdaf58 JB |
571 | old = sdata->u.ap.beacon; |
572 | ||
573 | if (!old) | |
574 | return -ENOENT; | |
575 | ||
576 | rcu_assign_pointer(sdata->u.ap.beacon, NULL); | |
577 | synchronize_rcu(); | |
578 | kfree(old); | |
579 | ||
2d0ddec5 JB |
580 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED); |
581 | return 0; | |
5dfdaf58 JB |
582 | } |
583 | ||
4fd6931e JB |
584 | /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */ |
585 | struct iapp_layer2_update { | |
586 | u8 da[ETH_ALEN]; /* broadcast */ | |
587 | u8 sa[ETH_ALEN]; /* STA addr */ | |
588 | __be16 len; /* 6 */ | |
589 | u8 dsap; /* 0 */ | |
590 | u8 ssap; /* 0 */ | |
591 | u8 control; | |
592 | u8 xid_info[3]; | |
bc10502d | 593 | } __packed; |
4fd6931e JB |
594 | |
595 | static void ieee80211_send_layer2_update(struct sta_info *sta) | |
596 | { | |
597 | struct iapp_layer2_update *msg; | |
598 | struct sk_buff *skb; | |
599 | ||
600 | /* Send Level 2 Update Frame to update forwarding tables in layer 2 | |
601 | * bridge devices */ | |
602 | ||
603 | skb = dev_alloc_skb(sizeof(*msg)); | |
604 | if (!skb) | |
605 | return; | |
606 | msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg)); | |
607 | ||
608 | /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID) | |
609 | * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */ | |
610 | ||
611 | memset(msg->da, 0xff, ETH_ALEN); | |
17741cdc | 612 | memcpy(msg->sa, sta->sta.addr, ETH_ALEN); |
4fd6931e JB |
613 | msg->len = htons(6); |
614 | msg->dsap = 0; | |
615 | msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */ | |
616 | msg->control = 0xaf; /* XID response lsb.1111F101. | |
617 | * F=0 (no poll command; unsolicited frame) */ | |
618 | msg->xid_info[0] = 0x81; /* XID format identifier */ | |
619 | msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */ | |
620 | msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */ | |
621 | ||
d0709a65 JB |
622 | skb->dev = sta->sdata->dev; |
623 | skb->protocol = eth_type_trans(skb, sta->sdata->dev); | |
4fd6931e | 624 | memset(skb->cb, 0, sizeof(skb->cb)); |
06ee1c26 | 625 | netif_rx_ni(skb); |
4fd6931e JB |
626 | } |
627 | ||
628 | static void sta_apply_parameters(struct ieee80211_local *local, | |
629 | struct sta_info *sta, | |
630 | struct station_parameters *params) | |
631 | { | |
f5521b13 | 632 | unsigned long flags; |
4fd6931e JB |
633 | u32 rates; |
634 | int i, j; | |
8318d78a | 635 | struct ieee80211_supported_band *sband; |
d0709a65 | 636 | struct ieee80211_sub_if_data *sdata = sta->sdata; |
eccb8e8f | 637 | u32 mask, set; |
4fd6931e | 638 | |
ae5eb026 JB |
639 | sband = local->hw.wiphy->bands[local->oper_channel->band]; |
640 | ||
f5521b13 | 641 | spin_lock_irqsave(&sta->flaglock, flags); |
eccb8e8f JB |
642 | mask = params->sta_flags_mask; |
643 | set = params->sta_flags_set; | |
73651ee6 | 644 | |
eccb8e8f | 645 | if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) { |
4fd6931e | 646 | sta->flags &= ~WLAN_STA_AUTHORIZED; |
eccb8e8f | 647 | if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) |
4fd6931e | 648 | sta->flags |= WLAN_STA_AUTHORIZED; |
eccb8e8f | 649 | } |
4fd6931e | 650 | |
eccb8e8f | 651 | if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) { |
4fd6931e | 652 | sta->flags &= ~WLAN_STA_SHORT_PREAMBLE; |
eccb8e8f | 653 | if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) |
4fd6931e | 654 | sta->flags |= WLAN_STA_SHORT_PREAMBLE; |
eccb8e8f | 655 | } |
4fd6931e | 656 | |
eccb8e8f | 657 | if (mask & BIT(NL80211_STA_FLAG_WME)) { |
4fd6931e | 658 | sta->flags &= ~WLAN_STA_WME; |
eccb8e8f | 659 | if (set & BIT(NL80211_STA_FLAG_WME)) |
4fd6931e | 660 | sta->flags |= WLAN_STA_WME; |
eccb8e8f | 661 | } |
5394af4d | 662 | |
eccb8e8f | 663 | if (mask & BIT(NL80211_STA_FLAG_MFP)) { |
5394af4d | 664 | sta->flags &= ~WLAN_STA_MFP; |
eccb8e8f | 665 | if (set & BIT(NL80211_STA_FLAG_MFP)) |
5394af4d | 666 | sta->flags |= WLAN_STA_MFP; |
4fd6931e | 667 | } |
f5521b13 | 668 | spin_unlock_irqrestore(&sta->flaglock, flags); |
4fd6931e | 669 | |
51b50fbe JB |
670 | /* |
671 | * cfg80211 validates this (1-2007) and allows setting the AID | |
672 | * only when creating a new station entry | |
673 | */ | |
674 | if (params->aid) | |
675 | sta->sta.aid = params->aid; | |
676 | ||
73651ee6 JB |
677 | /* |
678 | * FIXME: updating the following information is racy when this | |
679 | * function is called from ieee80211_change_station(). | |
680 | * However, all this information should be static so | |
681 | * maybe we should just reject attemps to change it. | |
682 | */ | |
683 | ||
4fd6931e JB |
684 | if (params->listen_interval >= 0) |
685 | sta->listen_interval = params->listen_interval; | |
686 | ||
687 | if (params->supported_rates) { | |
688 | rates = 0; | |
8318d78a | 689 | |
4fd6931e JB |
690 | for (i = 0; i < params->supported_rates_len; i++) { |
691 | int rate = (params->supported_rates[i] & 0x7f) * 5; | |
8318d78a JB |
692 | for (j = 0; j < sband->n_bitrates; j++) { |
693 | if (sband->bitrates[j].bitrate == rate) | |
4fd6931e JB |
694 | rates |= BIT(j); |
695 | } | |
696 | } | |
323ce79a | 697 | sta->sta.supp_rates[local->oper_channel->band] = rates; |
4fd6931e | 698 | } |
c5dd9c2b | 699 | |
d9fe60de | 700 | if (params->ht_capa) |
ae5eb026 JB |
701 | ieee80211_ht_cap_ie_to_sta_ht_cap(sband, |
702 | params->ht_capa, | |
d9fe60de | 703 | &sta->sta.ht_cap); |
36aedc90 | 704 | |
902acc78 | 705 | if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) { |
c5dd9c2b LCC |
706 | switch (params->plink_action) { |
707 | case PLINK_ACTION_OPEN: | |
708 | mesh_plink_open(sta); | |
709 | break; | |
710 | case PLINK_ACTION_BLOCK: | |
711 | mesh_plink_block(sta); | |
712 | break; | |
713 | } | |
902acc78 | 714 | } |
4fd6931e JB |
715 | } |
716 | ||
717 | static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev, | |
718 | u8 *mac, struct station_parameters *params) | |
719 | { | |
14db74bc | 720 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
721 | struct sta_info *sta; |
722 | struct ieee80211_sub_if_data *sdata; | |
73651ee6 | 723 | int err; |
b8d476c8 | 724 | int layer2_update; |
4fd6931e | 725 | |
4fd6931e JB |
726 | if (params->vlan) { |
727 | sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); | |
728 | ||
05c914fe JB |
729 | if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
730 | sdata->vif.type != NL80211_IFTYPE_AP) | |
4fd6931e JB |
731 | return -EINVAL; |
732 | } else | |
733 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
734 | ||
47846c9b | 735 | if (compare_ether_addr(mac, sdata->vif.addr) == 0) |
03e4497e JB |
736 | return -EINVAL; |
737 | ||
738 | if (is_multicast_ether_addr(mac)) | |
739 | return -EINVAL; | |
740 | ||
741 | sta = sta_info_alloc(sdata, mac, GFP_KERNEL); | |
73651ee6 JB |
742 | if (!sta) |
743 | return -ENOMEM; | |
4fd6931e JB |
744 | |
745 | sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC; | |
746 | ||
747 | sta_apply_parameters(local, sta, params); | |
748 | ||
4b7679a5 | 749 | rate_control_rate_init(sta); |
4fd6931e | 750 | |
b8d476c8 JM |
751 | layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN || |
752 | sdata->vif.type == NL80211_IFTYPE_AP; | |
753 | ||
34e89507 | 754 | err = sta_info_insert_rcu(sta); |
73651ee6 | 755 | if (err) { |
73651ee6 JB |
756 | rcu_read_unlock(); |
757 | return err; | |
758 | } | |
759 | ||
b8d476c8 | 760 | if (layer2_update) |
73651ee6 JB |
761 | ieee80211_send_layer2_update(sta); |
762 | ||
763 | rcu_read_unlock(); | |
764 | ||
4fd6931e JB |
765 | return 0; |
766 | } | |
767 | ||
768 | static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev, | |
769 | u8 *mac) | |
770 | { | |
14db74bc JB |
771 | struct ieee80211_local *local = wiphy_priv(wiphy); |
772 | struct ieee80211_sub_if_data *sdata; | |
4fd6931e | 773 | |
14db74bc JB |
774 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
775 | ||
34e89507 JB |
776 | if (mac) |
777 | return sta_info_destroy_addr_bss(sdata, mac); | |
4fd6931e | 778 | |
34e89507 | 779 | sta_info_flush(local, sdata); |
4fd6931e JB |
780 | return 0; |
781 | } | |
782 | ||
783 | static int ieee80211_change_station(struct wiphy *wiphy, | |
784 | struct net_device *dev, | |
785 | u8 *mac, | |
786 | struct station_parameters *params) | |
787 | { | |
abe60632 | 788 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
14db74bc | 789 | struct ieee80211_local *local = wiphy_priv(wiphy); |
4fd6931e JB |
790 | struct sta_info *sta; |
791 | struct ieee80211_sub_if_data *vlansdata; | |
792 | ||
98dd6a57 JB |
793 | rcu_read_lock(); |
794 | ||
0e5ded5a | 795 | sta = sta_info_get_bss(sdata, mac); |
98dd6a57 JB |
796 | if (!sta) { |
797 | rcu_read_unlock(); | |
4fd6931e | 798 | return -ENOENT; |
98dd6a57 | 799 | } |
4fd6931e | 800 | |
d0709a65 | 801 | if (params->vlan && params->vlan != sta->sdata->dev) { |
4fd6931e JB |
802 | vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan); |
803 | ||
05c914fe JB |
804 | if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN && |
805 | vlansdata->vif.type != NL80211_IFTYPE_AP) { | |
98dd6a57 | 806 | rcu_read_unlock(); |
4fd6931e | 807 | return -EINVAL; |
98dd6a57 | 808 | } |
4fd6931e | 809 | |
9bc383de | 810 | if (params->vlan->ieee80211_ptr->use_4addr) { |
3305443c JB |
811 | if (vlansdata->u.vlan.sta) { |
812 | rcu_read_unlock(); | |
f14543ee | 813 | return -EBUSY; |
3305443c | 814 | } |
f14543ee FF |
815 | |
816 | rcu_assign_pointer(vlansdata->u.vlan.sta, sta); | |
817 | } | |
818 | ||
14db74bc | 819 | sta->sdata = vlansdata; |
4fd6931e JB |
820 | ieee80211_send_layer2_update(sta); |
821 | } | |
822 | ||
823 | sta_apply_parameters(local, sta, params); | |
824 | ||
98dd6a57 JB |
825 | rcu_read_unlock(); |
826 | ||
4fd6931e JB |
827 | return 0; |
828 | } | |
829 | ||
c5dd9c2b LCC |
830 | #ifdef CONFIG_MAC80211_MESH |
831 | static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev, | |
832 | u8 *dst, u8 *next_hop) | |
833 | { | |
14db74bc | 834 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
835 | struct mesh_path *mpath; |
836 | struct sta_info *sta; | |
837 | int err; | |
838 | ||
14db74bc JB |
839 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
840 | ||
d0709a65 | 841 | rcu_read_lock(); |
abe60632 | 842 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
843 | if (!sta) { |
844 | rcu_read_unlock(); | |
c5dd9c2b | 845 | return -ENOENT; |
d0709a65 | 846 | } |
c5dd9c2b | 847 | |
f698d856 | 848 | err = mesh_path_add(dst, sdata); |
d0709a65 JB |
849 | if (err) { |
850 | rcu_read_unlock(); | |
c5dd9c2b | 851 | return err; |
d0709a65 | 852 | } |
c5dd9c2b | 853 | |
f698d856 | 854 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
855 | if (!mpath) { |
856 | rcu_read_unlock(); | |
c5dd9c2b LCC |
857 | return -ENXIO; |
858 | } | |
859 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 860 | |
c5dd9c2b LCC |
861 | rcu_read_unlock(); |
862 | return 0; | |
863 | } | |
864 | ||
865 | static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev, | |
866 | u8 *dst) | |
867 | { | |
f698d856 JBG |
868 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
869 | ||
c5dd9c2b | 870 | if (dst) |
f698d856 | 871 | return mesh_path_del(dst, sdata); |
c5dd9c2b | 872 | |
f698d856 | 873 | mesh_path_flush(sdata); |
c5dd9c2b LCC |
874 | return 0; |
875 | } | |
876 | ||
877 | static int ieee80211_change_mpath(struct wiphy *wiphy, | |
878 | struct net_device *dev, | |
879 | u8 *dst, u8 *next_hop) | |
880 | { | |
14db74bc | 881 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
882 | struct mesh_path *mpath; |
883 | struct sta_info *sta; | |
884 | ||
14db74bc JB |
885 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
886 | ||
d0709a65 JB |
887 | rcu_read_lock(); |
888 | ||
abe60632 | 889 | sta = sta_info_get(sdata, next_hop); |
d0709a65 JB |
890 | if (!sta) { |
891 | rcu_read_unlock(); | |
c5dd9c2b | 892 | return -ENOENT; |
d0709a65 | 893 | } |
c5dd9c2b | 894 | |
f698d856 | 895 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
896 | if (!mpath) { |
897 | rcu_read_unlock(); | |
c5dd9c2b LCC |
898 | return -ENOENT; |
899 | } | |
900 | ||
901 | mesh_path_fix_nexthop(mpath, sta); | |
d0709a65 | 902 | |
c5dd9c2b LCC |
903 | rcu_read_unlock(); |
904 | return 0; | |
905 | } | |
906 | ||
907 | static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop, | |
908 | struct mpath_info *pinfo) | |
909 | { | |
910 | if (mpath->next_hop) | |
17741cdc | 911 | memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN); |
c5dd9c2b LCC |
912 | else |
913 | memset(next_hop, 0, ETH_ALEN); | |
914 | ||
f5ea9120 JB |
915 | pinfo->generation = mesh_paths_generation; |
916 | ||
c5dd9c2b | 917 | pinfo->filled = MPATH_INFO_FRAME_QLEN | |
d19b3bf6 | 918 | MPATH_INFO_SN | |
c5dd9c2b LCC |
919 | MPATH_INFO_METRIC | |
920 | MPATH_INFO_EXPTIME | | |
921 | MPATH_INFO_DISCOVERY_TIMEOUT | | |
922 | MPATH_INFO_DISCOVERY_RETRIES | | |
923 | MPATH_INFO_FLAGS; | |
924 | ||
925 | pinfo->frame_qlen = mpath->frame_queue.qlen; | |
d19b3bf6 | 926 | pinfo->sn = mpath->sn; |
c5dd9c2b LCC |
927 | pinfo->metric = mpath->metric; |
928 | if (time_before(jiffies, mpath->exp_time)) | |
929 | pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies); | |
930 | pinfo->discovery_timeout = | |
931 | jiffies_to_msecs(mpath->discovery_timeout); | |
932 | pinfo->discovery_retries = mpath->discovery_retries; | |
933 | pinfo->flags = 0; | |
934 | if (mpath->flags & MESH_PATH_ACTIVE) | |
935 | pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE; | |
936 | if (mpath->flags & MESH_PATH_RESOLVING) | |
937 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
d19b3bf6 RP |
938 | if (mpath->flags & MESH_PATH_SN_VALID) |
939 | pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID; | |
c5dd9c2b LCC |
940 | if (mpath->flags & MESH_PATH_FIXED) |
941 | pinfo->flags |= NL80211_MPATH_FLAG_FIXED; | |
942 | if (mpath->flags & MESH_PATH_RESOLVING) | |
943 | pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING; | |
944 | ||
945 | pinfo->flags = mpath->flags; | |
946 | } | |
947 | ||
948 | static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev, | |
949 | u8 *dst, u8 *next_hop, struct mpath_info *pinfo) | |
950 | ||
951 | { | |
14db74bc | 952 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
953 | struct mesh_path *mpath; |
954 | ||
14db74bc JB |
955 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
956 | ||
c5dd9c2b | 957 | rcu_read_lock(); |
f698d856 | 958 | mpath = mesh_path_lookup(dst, sdata); |
c5dd9c2b LCC |
959 | if (!mpath) { |
960 | rcu_read_unlock(); | |
961 | return -ENOENT; | |
962 | } | |
963 | memcpy(dst, mpath->dst, ETH_ALEN); | |
964 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
965 | rcu_read_unlock(); | |
966 | return 0; | |
967 | } | |
968 | ||
969 | static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev, | |
970 | int idx, u8 *dst, u8 *next_hop, | |
971 | struct mpath_info *pinfo) | |
972 | { | |
14db74bc | 973 | struct ieee80211_sub_if_data *sdata; |
c5dd9c2b LCC |
974 | struct mesh_path *mpath; |
975 | ||
14db74bc JB |
976 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
977 | ||
c5dd9c2b | 978 | rcu_read_lock(); |
f698d856 | 979 | mpath = mesh_path_lookup_by_idx(idx, sdata); |
c5dd9c2b LCC |
980 | if (!mpath) { |
981 | rcu_read_unlock(); | |
982 | return -ENOENT; | |
983 | } | |
984 | memcpy(dst, mpath->dst, ETH_ALEN); | |
985 | mpath_set_pinfo(mpath, next_hop, pinfo); | |
986 | rcu_read_unlock(); | |
987 | return 0; | |
988 | } | |
93da9cc1 | 989 | |
990 | static int ieee80211_get_mesh_params(struct wiphy *wiphy, | |
991 | struct net_device *dev, | |
992 | struct mesh_config *conf) | |
993 | { | |
994 | struct ieee80211_sub_if_data *sdata; | |
995 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
996 | ||
93da9cc1 | 997 | memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config)); |
998 | return 0; | |
999 | } | |
1000 | ||
1001 | static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask) | |
1002 | { | |
1003 | return (mask >> (parm-1)) & 0x1; | |
1004 | } | |
1005 | ||
1006 | static int ieee80211_set_mesh_params(struct wiphy *wiphy, | |
1007 | struct net_device *dev, | |
1008 | const struct mesh_config *nconf, u32 mask) | |
1009 | { | |
1010 | struct mesh_config *conf; | |
1011 | struct ieee80211_sub_if_data *sdata; | |
63c5723b RP |
1012 | struct ieee80211_if_mesh *ifmsh; |
1013 | ||
93da9cc1 | 1014 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
63c5723b | 1015 | ifmsh = &sdata->u.mesh; |
93da9cc1 | 1016 | |
93da9cc1 | 1017 | /* Set the config options which we are interested in setting */ |
1018 | conf = &(sdata->u.mesh.mshcfg); | |
1019 | if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask)) | |
1020 | conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout; | |
1021 | if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask)) | |
1022 | conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout; | |
1023 | if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask)) | |
1024 | conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout; | |
1025 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask)) | |
1026 | conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks; | |
1027 | if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask)) | |
1028 | conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries; | |
1029 | if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask)) | |
1030 | conf->dot11MeshTTL = nconf->dot11MeshTTL; | |
45904f21 JC |
1031 | if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask)) |
1032 | conf->dot11MeshTTL = nconf->element_ttl; | |
93da9cc1 | 1033 | if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) |
1034 | conf->auto_open_plinks = nconf->auto_open_plinks; | |
1035 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask)) | |
1036 | conf->dot11MeshHWMPmaxPREQretries = | |
1037 | nconf->dot11MeshHWMPmaxPREQretries; | |
1038 | if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask)) | |
1039 | conf->path_refresh_time = nconf->path_refresh_time; | |
1040 | if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask)) | |
1041 | conf->min_discovery_timeout = nconf->min_discovery_timeout; | |
1042 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask)) | |
1043 | conf->dot11MeshHWMPactivePathTimeout = | |
1044 | nconf->dot11MeshHWMPactivePathTimeout; | |
1045 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask)) | |
1046 | conf->dot11MeshHWMPpreqMinInterval = | |
1047 | nconf->dot11MeshHWMPpreqMinInterval; | |
1048 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME, | |
1049 | mask)) | |
1050 | conf->dot11MeshHWMPnetDiameterTraversalTime = | |
1051 | nconf->dot11MeshHWMPnetDiameterTraversalTime; | |
63c5723b RP |
1052 | if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) { |
1053 | conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode; | |
1054 | ieee80211_mesh_root_setup(ifmsh); | |
1055 | } | |
93da9cc1 | 1056 | return 0; |
1057 | } | |
1058 | ||
c5dd9c2b LCC |
1059 | #endif |
1060 | ||
9f1ba906 JM |
1061 | static int ieee80211_change_bss(struct wiphy *wiphy, |
1062 | struct net_device *dev, | |
1063 | struct bss_parameters *params) | |
1064 | { | |
9f1ba906 JM |
1065 | struct ieee80211_sub_if_data *sdata; |
1066 | u32 changed = 0; | |
1067 | ||
9f1ba906 JM |
1068 | sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1069 | ||
9f1ba906 | 1070 | if (params->use_cts_prot >= 0) { |
bda3933a | 1071 | sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot; |
9f1ba906 JM |
1072 | changed |= BSS_CHANGED_ERP_CTS_PROT; |
1073 | } | |
1074 | if (params->use_short_preamble >= 0) { | |
bda3933a | 1075 | sdata->vif.bss_conf.use_short_preamble = |
9f1ba906 JM |
1076 | params->use_short_preamble; |
1077 | changed |= BSS_CHANGED_ERP_PREAMBLE; | |
1078 | } | |
43d35343 FF |
1079 | |
1080 | if (!sdata->vif.bss_conf.use_short_slot && | |
1081 | sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) { | |
1082 | sdata->vif.bss_conf.use_short_slot = true; | |
1083 | changed |= BSS_CHANGED_ERP_SLOT; | |
1084 | } | |
1085 | ||
9f1ba906 | 1086 | if (params->use_short_slot_time >= 0) { |
bda3933a | 1087 | sdata->vif.bss_conf.use_short_slot = |
9f1ba906 JM |
1088 | params->use_short_slot_time; |
1089 | changed |= BSS_CHANGED_ERP_SLOT; | |
1090 | } | |
1091 | ||
90c97a04 JM |
1092 | if (params->basic_rates) { |
1093 | int i, j; | |
1094 | u32 rates = 0; | |
1095 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1096 | struct ieee80211_supported_band *sband = | |
1097 | wiphy->bands[local->oper_channel->band]; | |
1098 | ||
1099 | for (i = 0; i < params->basic_rates_len; i++) { | |
1100 | int rate = (params->basic_rates[i] & 0x7f) * 5; | |
1101 | for (j = 0; j < sband->n_bitrates; j++) { | |
1102 | if (sband->bitrates[j].bitrate == rate) | |
1103 | rates |= BIT(j); | |
1104 | } | |
1105 | } | |
1106 | sdata->vif.bss_conf.basic_rates = rates; | |
1107 | changed |= BSS_CHANGED_BASIC_RATES; | |
1108 | } | |
1109 | ||
7b7b5e56 FF |
1110 | if (params->ap_isolate >= 0) { |
1111 | if (params->ap_isolate) | |
1112 | sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1113 | else | |
1114 | sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS; | |
1115 | } | |
1116 | ||
9f1ba906 JM |
1117 | ieee80211_bss_info_change_notify(sdata, changed); |
1118 | ||
1119 | return 0; | |
1120 | } | |
1121 | ||
31888487 JM |
1122 | static int ieee80211_set_txq_params(struct wiphy *wiphy, |
1123 | struct ieee80211_txq_params *params) | |
1124 | { | |
1125 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1126 | struct ieee80211_tx_queue_params p; | |
1127 | ||
1128 | if (!local->ops->conf_tx) | |
1129 | return -EOPNOTSUPP; | |
1130 | ||
1131 | memset(&p, 0, sizeof(p)); | |
1132 | p.aifs = params->aifs; | |
1133 | p.cw_max = params->cwmax; | |
1134 | p.cw_min = params->cwmin; | |
1135 | p.txop = params->txop; | |
ab13315a KV |
1136 | |
1137 | /* | |
1138 | * Setting tx queue params disables u-apsd because it's only | |
1139 | * called in master mode. | |
1140 | */ | |
1141 | p.uapsd = false; | |
1142 | ||
24487981 | 1143 | if (drv_conf_tx(local, params->queue, &p)) { |
0fb9a9ec JP |
1144 | wiphy_debug(local->hw.wiphy, |
1145 | "failed to set TX queue parameters for queue %d\n", | |
1146 | params->queue); | |
31888487 JM |
1147 | return -EINVAL; |
1148 | } | |
1149 | ||
1150 | return 0; | |
1151 | } | |
1152 | ||
72bdcf34 | 1153 | static int ieee80211_set_channel(struct wiphy *wiphy, |
f444de05 | 1154 | struct net_device *netdev, |
72bdcf34 | 1155 | struct ieee80211_channel *chan, |
094d05dc | 1156 | enum nl80211_channel_type channel_type) |
72bdcf34 JM |
1157 | { |
1158 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
0aaffa9b JB |
1159 | struct ieee80211_sub_if_data *sdata = NULL; |
1160 | ||
1161 | if (netdev) | |
1162 | sdata = IEEE80211_DEV_TO_SUB_IF(netdev); | |
72bdcf34 | 1163 | |
f444de05 JB |
1164 | switch (ieee80211_get_channel_mode(local, NULL)) { |
1165 | case CHAN_MODE_HOPPING: | |
1166 | return -EBUSY; | |
1167 | case CHAN_MODE_FIXED: | |
0aaffa9b JB |
1168 | if (local->oper_channel != chan) |
1169 | return -EBUSY; | |
1170 | if (!sdata && local->_oper_channel_type == channel_type) | |
f444de05 | 1171 | return 0; |
0aaffa9b | 1172 | break; |
f444de05 JB |
1173 | case CHAN_MODE_UNDEFINED: |
1174 | break; | |
1175 | } | |
72bdcf34 JM |
1176 | |
1177 | local->oper_channel = chan; | |
72bdcf34 | 1178 | |
0aaffa9b JB |
1179 | if (!ieee80211_set_channel_type(local, sdata, channel_type)) |
1180 | return -EBUSY; | |
1181 | ||
1182 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL); | |
1183 | if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR) | |
1184 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT); | |
1185 | ||
1186 | return 0; | |
72bdcf34 JM |
1187 | } |
1188 | ||
665af4fc BC |
1189 | #ifdef CONFIG_PM |
1190 | static int ieee80211_suspend(struct wiphy *wiphy) | |
1191 | { | |
1192 | return __ieee80211_suspend(wiphy_priv(wiphy)); | |
1193 | } | |
1194 | ||
1195 | static int ieee80211_resume(struct wiphy *wiphy) | |
1196 | { | |
1197 | return __ieee80211_resume(wiphy_priv(wiphy)); | |
1198 | } | |
1199 | #else | |
1200 | #define ieee80211_suspend NULL | |
1201 | #define ieee80211_resume NULL | |
1202 | #endif | |
1203 | ||
2a519311 JB |
1204 | static int ieee80211_scan(struct wiphy *wiphy, |
1205 | struct net_device *dev, | |
1206 | struct cfg80211_scan_request *req) | |
1207 | { | |
2ca27bcf | 1208 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
2a519311 | 1209 | |
2ca27bcf JB |
1210 | switch (ieee80211_vif_type_p2p(&sdata->vif)) { |
1211 | case NL80211_IFTYPE_STATION: | |
1212 | case NL80211_IFTYPE_ADHOC: | |
1213 | case NL80211_IFTYPE_MESH_POINT: | |
1214 | case NL80211_IFTYPE_P2P_CLIENT: | |
1215 | break; | |
1216 | case NL80211_IFTYPE_P2P_GO: | |
1217 | if (sdata->local->ops->hw_scan) | |
1218 | break; | |
1219 | /* FIXME: implement NoA while scanning in software */ | |
2a519311 | 1220 | return -EOPNOTSUPP; |
2ca27bcf JB |
1221 | case NL80211_IFTYPE_AP: |
1222 | if (sdata->u.ap.beacon) | |
1223 | return -EOPNOTSUPP; | |
1224 | break; | |
1225 | default: | |
1226 | return -EOPNOTSUPP; | |
1227 | } | |
2a519311 JB |
1228 | |
1229 | return ieee80211_request_scan(sdata, req); | |
1230 | } | |
1231 | ||
636a5d36 JM |
1232 | static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev, |
1233 | struct cfg80211_auth_request *req) | |
1234 | { | |
77fdaa12 | 1235 | return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1236 | } |
1237 | ||
1238 | static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev, | |
1239 | struct cfg80211_assoc_request *req) | |
1240 | { | |
f444de05 JB |
1241 | struct ieee80211_local *local = wiphy_priv(wiphy); |
1242 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1243 | ||
1244 | switch (ieee80211_get_channel_mode(local, sdata)) { | |
1245 | case CHAN_MODE_HOPPING: | |
1246 | return -EBUSY; | |
1247 | case CHAN_MODE_FIXED: | |
1248 | if (local->oper_channel == req->bss->channel) | |
1249 | break; | |
1250 | return -EBUSY; | |
1251 | case CHAN_MODE_UNDEFINED: | |
1252 | break; | |
1253 | } | |
1254 | ||
77fdaa12 | 1255 | return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req); |
636a5d36 JM |
1256 | } |
1257 | ||
1258 | static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1259 | struct cfg80211_deauth_request *req, |
1260 | void *cookie) | |
636a5d36 | 1261 | { |
667503dd JB |
1262 | return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), |
1263 | req, cookie); | |
636a5d36 JM |
1264 | } |
1265 | ||
1266 | static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev, | |
667503dd JB |
1267 | struct cfg80211_disassoc_request *req, |
1268 | void *cookie) | |
636a5d36 | 1269 | { |
667503dd JB |
1270 | return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), |
1271 | req, cookie); | |
636a5d36 JM |
1272 | } |
1273 | ||
af8cdcd8 JB |
1274 | static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev, |
1275 | struct cfg80211_ibss_params *params) | |
1276 | { | |
f444de05 | 1277 | struct ieee80211_local *local = wiphy_priv(wiphy); |
af8cdcd8 JB |
1278 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1279 | ||
f444de05 JB |
1280 | switch (ieee80211_get_channel_mode(local, sdata)) { |
1281 | case CHAN_MODE_HOPPING: | |
1282 | return -EBUSY; | |
1283 | case CHAN_MODE_FIXED: | |
1284 | if (!params->channel_fixed) | |
1285 | return -EBUSY; | |
1286 | if (local->oper_channel == params->channel) | |
1287 | break; | |
1288 | return -EBUSY; | |
1289 | case CHAN_MODE_UNDEFINED: | |
1290 | break; | |
1291 | } | |
1292 | ||
af8cdcd8 JB |
1293 | return ieee80211_ibss_join(sdata, params); |
1294 | } | |
1295 | ||
1296 | static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev) | |
1297 | { | |
1298 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1299 | ||
1300 | return ieee80211_ibss_leave(sdata); | |
1301 | } | |
1302 | ||
b9a5f8ca JM |
1303 | static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed) |
1304 | { | |
1305 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
24487981 | 1306 | int err; |
b9a5f8ca | 1307 | |
f23a4780 AN |
1308 | if (changed & WIPHY_PARAM_FRAG_THRESHOLD) { |
1309 | err = drv_set_frag_threshold(local, wiphy->frag_threshold); | |
1310 | ||
1311 | if (err) | |
1312 | return err; | |
1313 | } | |
1314 | ||
310bc676 LT |
1315 | if (changed & WIPHY_PARAM_COVERAGE_CLASS) { |
1316 | err = drv_set_coverage_class(local, wiphy->coverage_class); | |
1317 | ||
1318 | if (err) | |
1319 | return err; | |
1320 | } | |
1321 | ||
b9a5f8ca | 1322 | if (changed & WIPHY_PARAM_RTS_THRESHOLD) { |
24487981 | 1323 | err = drv_set_rts_threshold(local, wiphy->rts_threshold); |
b9a5f8ca | 1324 | |
24487981 JB |
1325 | if (err) |
1326 | return err; | |
b9a5f8ca JM |
1327 | } |
1328 | ||
1329 | if (changed & WIPHY_PARAM_RETRY_SHORT) | |
1330 | local->hw.conf.short_frame_max_tx_count = wiphy->retry_short; | |
1331 | if (changed & WIPHY_PARAM_RETRY_LONG) | |
1332 | local->hw.conf.long_frame_max_tx_count = wiphy->retry_long; | |
1333 | if (changed & | |
1334 | (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG)) | |
1335 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS); | |
1336 | ||
1337 | return 0; | |
1338 | } | |
1339 | ||
7643a2c3 | 1340 | static int ieee80211_set_tx_power(struct wiphy *wiphy, |
fa61cf70 | 1341 | enum nl80211_tx_power_setting type, int mbm) |
7643a2c3 JB |
1342 | { |
1343 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1344 | struct ieee80211_channel *chan = local->hw.conf.channel; | |
1345 | u32 changes = 0; | |
7643a2c3 JB |
1346 | |
1347 | switch (type) { | |
fa61cf70 | 1348 | case NL80211_TX_POWER_AUTOMATIC: |
7643a2c3 JB |
1349 | local->user_power_level = -1; |
1350 | break; | |
fa61cf70 JO |
1351 | case NL80211_TX_POWER_LIMITED: |
1352 | if (mbm < 0 || (mbm % 100)) | |
1353 | return -EOPNOTSUPP; | |
1354 | local->user_power_level = MBM_TO_DBM(mbm); | |
7643a2c3 | 1355 | break; |
fa61cf70 JO |
1356 | case NL80211_TX_POWER_FIXED: |
1357 | if (mbm < 0 || (mbm % 100)) | |
1358 | return -EOPNOTSUPP; | |
7643a2c3 | 1359 | /* TODO: move to cfg80211 when it knows the channel */ |
fa61cf70 | 1360 | if (MBM_TO_DBM(mbm) > chan->max_power) |
7643a2c3 | 1361 | return -EINVAL; |
fa61cf70 | 1362 | local->user_power_level = MBM_TO_DBM(mbm); |
7643a2c3 | 1363 | break; |
7643a2c3 JB |
1364 | } |
1365 | ||
1366 | ieee80211_hw_config(local, changes); | |
1367 | ||
1368 | return 0; | |
1369 | } | |
1370 | ||
1371 | static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm) | |
1372 | { | |
1373 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1374 | ||
1375 | *dbm = local->hw.conf.power_level; | |
1376 | ||
7643a2c3 JB |
1377 | return 0; |
1378 | } | |
1379 | ||
ab737a4f | 1380 | static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev, |
388ac775 | 1381 | const u8 *addr) |
ab737a4f JB |
1382 | { |
1383 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1384 | ||
1385 | memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN); | |
1386 | ||
1387 | return 0; | |
1388 | } | |
1389 | ||
1f87f7d3 JB |
1390 | static void ieee80211_rfkill_poll(struct wiphy *wiphy) |
1391 | { | |
1392 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1393 | ||
1394 | drv_rfkill_poll(local); | |
1395 | } | |
1396 | ||
aff89a9b | 1397 | #ifdef CONFIG_NL80211_TESTMODE |
99783e2c | 1398 | static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len) |
aff89a9b JB |
1399 | { |
1400 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1401 | ||
1402 | if (!local->ops->testmode_cmd) | |
1403 | return -EOPNOTSUPP; | |
1404 | ||
1405 | return local->ops->testmode_cmd(&local->hw, data, len); | |
1406 | } | |
1407 | #endif | |
1408 | ||
0f78231b JB |
1409 | int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata, |
1410 | enum ieee80211_smps_mode smps_mode) | |
1411 | { | |
1412 | const u8 *ap; | |
1413 | enum ieee80211_smps_mode old_req; | |
1414 | int err; | |
1415 | ||
1416 | old_req = sdata->u.mgd.req_smps; | |
1417 | sdata->u.mgd.req_smps = smps_mode; | |
1418 | ||
1419 | if (old_req == smps_mode && | |
1420 | smps_mode != IEEE80211_SMPS_AUTOMATIC) | |
1421 | return 0; | |
1422 | ||
1423 | /* | |
1424 | * If not associated, or current association is not an HT | |
1425 | * association, there's no need to send an action frame. | |
1426 | */ | |
1427 | if (!sdata->u.mgd.associated || | |
0aaffa9b | 1428 | sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) { |
0f78231b | 1429 | mutex_lock(&sdata->local->iflist_mtx); |
025e6be2 | 1430 | ieee80211_recalc_smps(sdata->local); |
0f78231b JB |
1431 | mutex_unlock(&sdata->local->iflist_mtx); |
1432 | return 0; | |
1433 | } | |
1434 | ||
0c1ad2ca | 1435 | ap = sdata->u.mgd.associated->bssid; |
0f78231b JB |
1436 | |
1437 | if (smps_mode == IEEE80211_SMPS_AUTOMATIC) { | |
1438 | if (sdata->u.mgd.powersave) | |
1439 | smps_mode = IEEE80211_SMPS_DYNAMIC; | |
1440 | else | |
1441 | smps_mode = IEEE80211_SMPS_OFF; | |
1442 | } | |
1443 | ||
1444 | /* send SM PS frame to AP */ | |
1445 | err = ieee80211_send_smps_action(sdata, smps_mode, | |
1446 | ap, ap); | |
1447 | if (err) | |
1448 | sdata->u.mgd.req_smps = old_req; | |
1449 | ||
1450 | return err; | |
1451 | } | |
1452 | ||
bc92afd9 JB |
1453 | static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev, |
1454 | bool enabled, int timeout) | |
1455 | { | |
1456 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1457 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
bc92afd9 | 1458 | |
e5de30c9 BP |
1459 | if (sdata->vif.type != NL80211_IFTYPE_STATION) |
1460 | return -EOPNOTSUPP; | |
1461 | ||
bc92afd9 JB |
1462 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS)) |
1463 | return -EOPNOTSUPP; | |
1464 | ||
1465 | if (enabled == sdata->u.mgd.powersave && | |
ff616381 | 1466 | timeout == local->dynamic_ps_forced_timeout) |
bc92afd9 JB |
1467 | return 0; |
1468 | ||
1469 | sdata->u.mgd.powersave = enabled; | |
ff616381 | 1470 | local->dynamic_ps_forced_timeout = timeout; |
bc92afd9 | 1471 | |
0f78231b JB |
1472 | /* no change, but if automatic follow powersave */ |
1473 | mutex_lock(&sdata->u.mgd.mtx); | |
1474 | __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps); | |
1475 | mutex_unlock(&sdata->u.mgd.mtx); | |
1476 | ||
bc92afd9 JB |
1477 | if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS) |
1478 | ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS); | |
1479 | ||
1480 | ieee80211_recalc_ps(local, -1); | |
1481 | ||
1482 | return 0; | |
1483 | } | |
1484 | ||
a97c13c3 JO |
1485 | static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy, |
1486 | struct net_device *dev, | |
1487 | s32 rssi_thold, u32 rssi_hyst) | |
1488 | { | |
1489 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1490 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
1491 | struct ieee80211_vif *vif = &sdata->vif; | |
1492 | struct ieee80211_bss_conf *bss_conf = &vif->bss_conf; | |
1493 | ||
a97c13c3 JO |
1494 | if (rssi_thold == bss_conf->cqm_rssi_thold && |
1495 | rssi_hyst == bss_conf->cqm_rssi_hyst) | |
1496 | return 0; | |
1497 | ||
1498 | bss_conf->cqm_rssi_thold = rssi_thold; | |
1499 | bss_conf->cqm_rssi_hyst = rssi_hyst; | |
1500 | ||
17e4ec14 JM |
1501 | if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) { |
1502 | if (sdata->vif.type != NL80211_IFTYPE_STATION) | |
1503 | return -EOPNOTSUPP; | |
1504 | return 0; | |
1505 | } | |
1506 | ||
a97c13c3 JO |
1507 | /* tell the driver upon association, unless already associated */ |
1508 | if (sdata->u.mgd.associated) | |
1509 | ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM); | |
1510 | ||
1511 | return 0; | |
1512 | } | |
1513 | ||
9930380f JB |
1514 | static int ieee80211_set_bitrate_mask(struct wiphy *wiphy, |
1515 | struct net_device *dev, | |
1516 | const u8 *addr, | |
1517 | const struct cfg80211_bitrate_mask *mask) | |
1518 | { | |
1519 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1520 | struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr); | |
2c7e6bc9 | 1521 | int i; |
9930380f | 1522 | |
2c7e6bc9 JB |
1523 | /* |
1524 | * This _could_ be supported by providing a hook for | |
1525 | * drivers for this function, but at this point it | |
1526 | * doesn't seem worth bothering. | |
1527 | */ | |
1528 | if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL) | |
1529 | return -EOPNOTSUPP; | |
1530 | ||
9930380f | 1531 | |
37eb0b16 JM |
1532 | for (i = 0; i < IEEE80211_NUM_BANDS; i++) |
1533 | sdata->rc_rateidx_mask[i] = mask->control[i].legacy; | |
9930380f | 1534 | |
37eb0b16 | 1535 | return 0; |
9930380f JB |
1536 | } |
1537 | ||
b8bc4b0a JB |
1538 | static int ieee80211_remain_on_channel(struct wiphy *wiphy, |
1539 | struct net_device *dev, | |
1540 | struct ieee80211_channel *chan, | |
1541 | enum nl80211_channel_type channel_type, | |
1542 | unsigned int duration, | |
1543 | u64 *cookie) | |
1544 | { | |
1545 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1546 | ||
1547 | return ieee80211_wk_remain_on_channel(sdata, chan, channel_type, | |
1548 | duration, cookie); | |
1549 | } | |
1550 | ||
1551 | static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy, | |
1552 | struct net_device *dev, | |
1553 | u64 cookie) | |
1554 | { | |
1555 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1556 | ||
1557 | return ieee80211_wk_cancel_remain_on_channel(sdata, cookie); | |
1558 | } | |
1559 | ||
f30221e4 JB |
1560 | static enum work_done_result |
1561 | ieee80211_offchan_tx_done(struct ieee80211_work *wk, struct sk_buff *skb) | |
1562 | { | |
1563 | /* | |
1564 | * Use the data embedded in the work struct for reporting | |
1565 | * here so if the driver mangled the SKB before dropping | |
1566 | * it (which is the only way we really should get here) | |
1567 | * then we don't report mangled data. | |
1568 | * | |
1569 | * If there was no wait time, then by the time we get here | |
1570 | * the driver will likely not have reported the status yet, | |
1571 | * so in that case userspace will have to deal with it. | |
1572 | */ | |
1573 | ||
1574 | if (wk->offchan_tx.wait && wk->offchan_tx.frame) | |
1575 | cfg80211_mgmt_tx_status(wk->sdata->dev, | |
1576 | (unsigned long) wk->offchan_tx.frame, | |
1577 | wk->ie, wk->ie_len, false, GFP_KERNEL); | |
1578 | ||
1579 | return WORK_DONE_DESTROY; | |
1580 | } | |
1581 | ||
2e161f78 | 1582 | static int ieee80211_mgmt_tx(struct wiphy *wiphy, struct net_device *dev, |
f7ca38df | 1583 | struct ieee80211_channel *chan, bool offchan, |
2e161f78 | 1584 | enum nl80211_channel_type channel_type, |
f7ca38df | 1585 | bool channel_type_valid, unsigned int wait, |
2e161f78 | 1586 | const u8 *buf, size_t len, u64 *cookie) |
026331c4 | 1587 | { |
9d38d85d JB |
1588 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); |
1589 | struct ieee80211_local *local = sdata->local; | |
1590 | struct sk_buff *skb; | |
1591 | struct sta_info *sta; | |
f30221e4 | 1592 | struct ieee80211_work *wk; |
9d38d85d JB |
1593 | const struct ieee80211_mgmt *mgmt = (void *)buf; |
1594 | u32 flags = IEEE80211_TX_INTFL_NL80211_FRAME_TX | | |
1595 | IEEE80211_TX_CTL_REQ_TX_STATUS; | |
f30221e4 | 1596 | bool is_offchan = false; |
f7ca38df | 1597 | |
9d38d85d JB |
1598 | /* Check that we are on the requested channel for transmission */ |
1599 | if (chan != local->tmp_channel && | |
1600 | chan != local->oper_channel) | |
f30221e4 | 1601 | is_offchan = true; |
9d38d85d JB |
1602 | if (channel_type_valid && |
1603 | (channel_type != local->tmp_channel_type && | |
1604 | channel_type != local->_oper_channel_type)) | |
f30221e4 JB |
1605 | is_offchan = true; |
1606 | ||
1607 | if (is_offchan && !offchan) | |
9d38d85d JB |
1608 | return -EBUSY; |
1609 | ||
1610 | switch (sdata->vif.type) { | |
1611 | case NL80211_IFTYPE_ADHOC: | |
663fcafd JB |
1612 | case NL80211_IFTYPE_AP: |
1613 | case NL80211_IFTYPE_AP_VLAN: | |
1614 | case NL80211_IFTYPE_P2P_GO: | |
1615 | if (!ieee80211_is_action(mgmt->frame_control) || | |
1616 | mgmt->u.action.category == WLAN_CATEGORY_PUBLIC) | |
9d38d85d JB |
1617 | break; |
1618 | rcu_read_lock(); | |
1619 | sta = sta_info_get(sdata, mgmt->da); | |
1620 | rcu_read_unlock(); | |
1621 | if (!sta) | |
1622 | return -ENOLINK; | |
1623 | break; | |
1624 | case NL80211_IFTYPE_STATION: | |
663fcafd | 1625 | case NL80211_IFTYPE_P2P_CLIENT: |
9d38d85d JB |
1626 | break; |
1627 | default: | |
1628 | return -EOPNOTSUPP; | |
1629 | } | |
1630 | ||
1631 | skb = dev_alloc_skb(local->hw.extra_tx_headroom + len); | |
1632 | if (!skb) | |
1633 | return -ENOMEM; | |
1634 | skb_reserve(skb, local->hw.extra_tx_headroom); | |
1635 | ||
1636 | memcpy(skb_put(skb, len), buf, len); | |
1637 | ||
1638 | IEEE80211_SKB_CB(skb)->flags = flags; | |
1639 | ||
1640 | skb->dev = sdata->dev; | |
9d38d85d JB |
1641 | |
1642 | *cookie = (unsigned long) skb; | |
f30221e4 JB |
1643 | |
1644 | /* | |
1645 | * Can transmit right away if the channel was the | |
1646 | * right one and there's no wait involved... If a | |
1647 | * wait is involved, we might otherwise not be on | |
1648 | * the right channel for long enough! | |
1649 | */ | |
1650 | if (!is_offchan && !wait && !sdata->vif.bss_conf.idle) { | |
1651 | ieee80211_tx_skb(sdata, skb); | |
1652 | return 0; | |
1653 | } | |
1654 | ||
1655 | wk = kzalloc(sizeof(*wk) + len, GFP_KERNEL); | |
1656 | if (!wk) { | |
1657 | kfree_skb(skb); | |
1658 | return -ENOMEM; | |
1659 | } | |
1660 | ||
1661 | wk->type = IEEE80211_WORK_OFFCHANNEL_TX; | |
1662 | wk->chan = chan; | |
1663 | wk->sdata = sdata; | |
1664 | wk->done = ieee80211_offchan_tx_done; | |
1665 | wk->offchan_tx.frame = skb; | |
1666 | wk->offchan_tx.wait = wait; | |
1667 | wk->ie_len = len; | |
1668 | memcpy(wk->ie, buf, len); | |
1669 | ||
1670 | ieee80211_add_work(wk); | |
9d38d85d | 1671 | return 0; |
026331c4 JM |
1672 | } |
1673 | ||
f30221e4 JB |
1674 | static int ieee80211_mgmt_tx_cancel_wait(struct wiphy *wiphy, |
1675 | struct net_device *dev, | |
1676 | u64 cookie) | |
1677 | { | |
1678 | struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev); | |
1679 | struct ieee80211_local *local = sdata->local; | |
1680 | struct ieee80211_work *wk; | |
1681 | int ret = -ENOENT; | |
1682 | ||
1683 | mutex_lock(&local->mtx); | |
1684 | list_for_each_entry(wk, &local->work_list, list) { | |
1685 | if (wk->sdata != sdata) | |
1686 | continue; | |
1687 | ||
1688 | if (wk->type != IEEE80211_WORK_OFFCHANNEL_TX) | |
1689 | continue; | |
1690 | ||
1691 | if (cookie != (unsigned long) wk->offchan_tx.frame) | |
1692 | continue; | |
1693 | ||
1694 | wk->timeout = jiffies; | |
1695 | ||
1696 | ieee80211_queue_work(&local->hw, &local->work_work); | |
1697 | ret = 0; | |
1698 | break; | |
1699 | } | |
1700 | mutex_unlock(&local->mtx); | |
1701 | ||
1702 | return ret; | |
1703 | } | |
1704 | ||
7be5086d JB |
1705 | static void ieee80211_mgmt_frame_register(struct wiphy *wiphy, |
1706 | struct net_device *dev, | |
1707 | u16 frame_type, bool reg) | |
1708 | { | |
1709 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1710 | ||
1711 | if (frame_type != (IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ)) | |
1712 | return; | |
1713 | ||
1714 | if (reg) | |
1715 | local->probe_req_reg++; | |
1716 | else | |
1717 | local->probe_req_reg--; | |
1718 | ||
1719 | ieee80211_queue_work(&local->hw, &local->reconfig_filter); | |
1720 | } | |
1721 | ||
15d96753 BR |
1722 | static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant) |
1723 | { | |
1724 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1725 | ||
1726 | if (local->started) | |
1727 | return -EOPNOTSUPP; | |
1728 | ||
1729 | return drv_set_antenna(local, tx_ant, rx_ant); | |
1730 | } | |
1731 | ||
1732 | static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant) | |
1733 | { | |
1734 | struct ieee80211_local *local = wiphy_priv(wiphy); | |
1735 | ||
1736 | return drv_get_antenna(local, tx_ant, rx_ant); | |
1737 | } | |
1738 | ||
f0706e82 JB |
1739 | struct cfg80211_ops mac80211_config_ops = { |
1740 | .add_virtual_intf = ieee80211_add_iface, | |
1741 | .del_virtual_intf = ieee80211_del_iface, | |
42613db7 | 1742 | .change_virtual_intf = ieee80211_change_iface, |
e8cbb4cb JB |
1743 | .add_key = ieee80211_add_key, |
1744 | .del_key = ieee80211_del_key, | |
62da92fb | 1745 | .get_key = ieee80211_get_key, |
e8cbb4cb | 1746 | .set_default_key = ieee80211_config_default_key, |
3cfcf6ac | 1747 | .set_default_mgmt_key = ieee80211_config_default_mgmt_key, |
5dfdaf58 JB |
1748 | .add_beacon = ieee80211_add_beacon, |
1749 | .set_beacon = ieee80211_set_beacon, | |
1750 | .del_beacon = ieee80211_del_beacon, | |
4fd6931e JB |
1751 | .add_station = ieee80211_add_station, |
1752 | .del_station = ieee80211_del_station, | |
1753 | .change_station = ieee80211_change_station, | |
7bbdd2d9 | 1754 | .get_station = ieee80211_get_station, |
c5dd9c2b | 1755 | .dump_station = ieee80211_dump_station, |
1289723e | 1756 | .dump_survey = ieee80211_dump_survey, |
c5dd9c2b LCC |
1757 | #ifdef CONFIG_MAC80211_MESH |
1758 | .add_mpath = ieee80211_add_mpath, | |
1759 | .del_mpath = ieee80211_del_mpath, | |
1760 | .change_mpath = ieee80211_change_mpath, | |
1761 | .get_mpath = ieee80211_get_mpath, | |
1762 | .dump_mpath = ieee80211_dump_mpath, | |
93da9cc1 | 1763 | .set_mesh_params = ieee80211_set_mesh_params, |
1764 | .get_mesh_params = ieee80211_get_mesh_params, | |
c5dd9c2b | 1765 | #endif |
9f1ba906 | 1766 | .change_bss = ieee80211_change_bss, |
31888487 | 1767 | .set_txq_params = ieee80211_set_txq_params, |
72bdcf34 | 1768 | .set_channel = ieee80211_set_channel, |
665af4fc BC |
1769 | .suspend = ieee80211_suspend, |
1770 | .resume = ieee80211_resume, | |
2a519311 | 1771 | .scan = ieee80211_scan, |
636a5d36 JM |
1772 | .auth = ieee80211_auth, |
1773 | .assoc = ieee80211_assoc, | |
1774 | .deauth = ieee80211_deauth, | |
1775 | .disassoc = ieee80211_disassoc, | |
af8cdcd8 JB |
1776 | .join_ibss = ieee80211_join_ibss, |
1777 | .leave_ibss = ieee80211_leave_ibss, | |
b9a5f8ca | 1778 | .set_wiphy_params = ieee80211_set_wiphy_params, |
7643a2c3 JB |
1779 | .set_tx_power = ieee80211_set_tx_power, |
1780 | .get_tx_power = ieee80211_get_tx_power, | |
ab737a4f | 1781 | .set_wds_peer = ieee80211_set_wds_peer, |
1f87f7d3 | 1782 | .rfkill_poll = ieee80211_rfkill_poll, |
aff89a9b | 1783 | CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd) |
bc92afd9 | 1784 | .set_power_mgmt = ieee80211_set_power_mgmt, |
9930380f | 1785 | .set_bitrate_mask = ieee80211_set_bitrate_mask, |
b8bc4b0a JB |
1786 | .remain_on_channel = ieee80211_remain_on_channel, |
1787 | .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel, | |
2e161f78 | 1788 | .mgmt_tx = ieee80211_mgmt_tx, |
f30221e4 | 1789 | .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait, |
a97c13c3 | 1790 | .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config, |
7be5086d | 1791 | .mgmt_frame_register = ieee80211_mgmt_frame_register, |
15d96753 BR |
1792 | .set_antenna = ieee80211_set_antenna, |
1793 | .get_antenna = ieee80211_get_antenna, | |
f0706e82 | 1794 | }; |