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rt2x00: Fix lockdep warning in rt2x00lib_probe_dev()
[GitHub/mt8127/android_kernel_alcatel_ttab.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
026331c4 4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
f0706e82
JB		 5 *
6 * This file is GPLv2 as found in COPYING.
7 */
8
e8cbb4cb 9#include <linux/ieee80211.h>
f0706e82
JB		 10#include <linux/nl80211.h>
11#include <linux/rtnetlink.h>
5a0e3ad6 12#include <linux/slab.h>
881d966b 13#include <net/net_namespace.h>
5dfdaf58 14#include <linux/rcupdate.h>
f0706e82
JB		 15#include <net/cfg80211.h>
16#include "ieee80211_i.h"
24487981 17#include "driver-ops.h"
e0eb6859 18#include "cfg.h"
2c8dccc7 19#include "rate.h"
c5dd9c2b 20#include "mesh.h"
c5dd9c2b 21
05c914fe 22static bool nl80211_type_check(enum nl80211_iftype type)
42613db7
JB		 23{
24 switch (type) {
42613db7 25 case NL80211_IFTYPE_ADHOC:
42613db7 26 case NL80211_IFTYPE_STATION:
42613db7 27 case NL80211_IFTYPE_MONITOR:
c5dd9c2b
LCC		 28#ifdef CONFIG_MAC80211_MESH
29 case NL80211_IFTYPE_MESH_POINT:
c5dd9c2b 30#endif
fbf18927
JM		 31 case NL80211_IFTYPE_AP:
32 case NL80211_IFTYPE_AP_VLAN:
b454048c 33 case NL80211_IFTYPE_WDS:
05c914fe 34 return true;
42613db7 35 default:
05c914fe 36 return false;
42613db7
JB		 37 }
38}
39
f14543ee
FF		 40static bool nl80211_params_check(enum nl80211_iftype type,
41 struct vif_params *params)
42{
43 if (!nl80211_type_check(type))
44 return false;
45
f14543ee
FF		 46 return true;
47}
48
f0706e82 49static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
2ec600d6
LCC		 50 enum nl80211_iftype type, u32 *flags,
51 struct vif_params *params)
f0706e82
JB		 52{
53 struct ieee80211_local *local = wiphy_priv(wiphy);
8cc9a739
MW		 54 struct net_device *dev;
55 struct ieee80211_sub_if_data *sdata;
56 int err;
f0706e82 57
f14543ee 58 if (!nl80211_params_check(type, params))
f0706e82 59 return -EINVAL;
f0706e82 60
05c914fe
JB		 61 err = ieee80211_if_add(local, name, &dev, type, params);
62 if (err || type != NL80211_IFTYPE_MONITOR || !flags)
8cc9a739
MW		 63 return err;
64
65 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
66 sdata->u.mntr_flags = *flags;
67 return 0;
f0706e82
JB		 68}
69
463d0183 70static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
f0706e82 71{
463d0183 72 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
f0706e82 73
75636525 74 return 0;
f0706e82
JB		 75}
76
e36d56b6
JB		 77static int ieee80211_change_iface(struct wiphy *wiphy,
78 struct net_device *dev,
2ec600d6
LCC		 79 enum nl80211_iftype type, u32 *flags,
80 struct vif_params *params)
42613db7 81{
9607e6b6 82 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 83 int ret;
42613db7 84
9607e6b6 85 if (ieee80211_sdata_running(sdata))
c1f9a764
JB		 86 return -EBUSY;
87
f14543ee 88 if (!nl80211_params_check(type, params))
42613db7
JB		 89 return -EINVAL;
90
05c914fe 91 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 92 if (ret)
93 return ret;
42613db7 94
902acc78 95 if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
472dbc45
JB		 96 ieee80211_sdata_set_mesh_id(sdata,
97 params->mesh_id_len,
98 params->mesh_id);
c5dd9c2b 99
9bc383de
JB		 100 if (type == NL80211_IFTYPE_AP_VLAN &&
101 params && params->use_4addr == 0)
102 rcu_assign_pointer(sdata->u.vlan.sta, NULL);
103 else if (type == NL80211_IFTYPE_STATION &&
104 params && params->use_4addr >= 0)
105 sdata->u.mgd.use_4addr = params->use_4addr;
106
f7917af9
FF		 107 if (sdata->vif.type == NL80211_IFTYPE_MONITOR && flags)
108 sdata->u.mntr_flags = *flags;
109
42613db7
JB		 110 return 0;
111}
112
e8cbb4cb 113static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
4e943900 114 u8 key_idx, const u8 *mac_addr,
e8cbb4cb
JB		 115 struct key_params *params)
116{
117 struct ieee80211_sub_if_data *sdata;
118 struct sta_info *sta = NULL;
119 enum ieee80211_key_alg alg;
db4d1169 120 struct ieee80211_key *key;
3b96766f 121 int err;
e8cbb4cb
JB		 122
123 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
124
125 switch (params->cipher) {
126 case WLAN_CIPHER_SUITE_WEP40:
127 case WLAN_CIPHER_SUITE_WEP104:
128 alg = ALG_WEP;
129 break;
130 case WLAN_CIPHER_SUITE_TKIP:
131 alg = ALG_TKIP;
132 break;
133 case WLAN_CIPHER_SUITE_CCMP:
134 alg = ALG_CCMP;
135 break;
3cfcf6ac
JM		 136 case WLAN_CIPHER_SUITE_AES_CMAC:
137 alg = ALG_AES_CMAC;
138 break;
e8cbb4cb
JB		 139 default:
140 return -EINVAL;
141 }
142
faa8fdc8
JM		 143 key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
144 params->seq_len, params->seq);
db4d1169
JB		 145 if (!key)
146 return -ENOMEM;
147
3b96766f
JB		 148 rcu_read_lock();
149
e8cbb4cb 150 if (mac_addr) {
0e5ded5a 151 sta = sta_info_get_bss(sdata, mac_addr);
db4d1169
JB		 152 if (!sta) {
153 ieee80211_key_free(key);
3b96766f
JB		 154 err = -ENOENT;
155 goto out_unlock;
db4d1169 156 }
e8cbb4cb
JB		 157 }
158
db4d1169
JB		 159 ieee80211_key_link(key, sdata, sta);
160
3b96766f
JB		 161 err = 0;
162 out_unlock:
163 rcu_read_unlock();
164
165 return err;
e8cbb4cb
JB		 166}
167
168static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
4e943900 169 u8 key_idx, const u8 *mac_addr)
e8cbb4cb
JB		 170{
171 struct ieee80211_sub_if_data *sdata;
172 struct sta_info *sta;
173 int ret;
174
175 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
176
3b96766f
JB		 177 rcu_read_lock();
178
e8cbb4cb 179 if (mac_addr) {
3b96766f
JB		 180 ret = -ENOENT;
181
0e5ded5a 182 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 183 if (!sta)
3b96766f 184 goto out_unlock;
e8cbb4cb 185
db4d1169 186 if (sta->key) {
d0709a65 187 ieee80211_key_free(sta->key);
db4d1169 188 WARN_ON(sta->key);
3b96766f
JB		 189 ret = 0;
190 }
e8cbb4cb 191
3b96766f 192 goto out_unlock;
e8cbb4cb
JB		 193 }
194
3b96766f
JB		 195 if (!sdata->keys[key_idx]) {
196 ret = -ENOENT;
197 goto out_unlock;
198 }
e8cbb4cb 199
d0709a65 200 ieee80211_key_free(sdata->keys[key_idx]);
db4d1169 201 WARN_ON(sdata->keys[key_idx]);
e8cbb4cb 202
3b96766f
JB		 203 ret = 0;
204 out_unlock:
205 rcu_read_unlock();
206
207 return ret;
e8cbb4cb
JB		 208}
209
62da92fb 210static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
4e943900 211 u8 key_idx, const u8 *mac_addr, void *cookie,
62da92fb
JB		 212 void (*callback)(void *cookie,
213 struct key_params *params))
214{
14db74bc 215 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 216 struct sta_info *sta = NULL;
217 u8 seq[6] = {0};
218 struct key_params params;
219 struct ieee80211_key *key;
220 u32 iv32;
221 u16 iv16;
222 int err = -ENOENT;
223
14db74bc
JB		 224 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
225
3b96766f
JB		 226 rcu_read_lock();
227
62da92fb 228 if (mac_addr) {
0e5ded5a 229 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 230 if (!sta)
231 goto out;
232
233 key = sta->key;
234 } else
235 key = sdata->keys[key_idx];
236
237 if (!key)
238 goto out;
239
240 memset(&params, 0, sizeof(params));
241
242 switch (key->conf.alg) {
243 case ALG_TKIP:
244 params.cipher = WLAN_CIPHER_SUITE_TKIP;
245
b0f76b33
HH		 246 iv32 = key->u.tkip.tx.iv32;
247 iv16 = key->u.tkip.tx.iv16;
62da92fb 248
24487981
JB		 249 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
250 drv_get_tkip_seq(sdata->local,
251 key->conf.hw_key_idx,
252 &iv32, &iv16);
62da92fb
JB		 253
254 seq[0] = iv16 & 0xff;
255 seq[1] = (iv16 >> 8) & 0xff;
256 seq[2] = iv32 & 0xff;
257 seq[3] = (iv32 >> 8) & 0xff;
258 seq[4] = (iv32 >> 16) & 0xff;
259 seq[5] = (iv32 >> 24) & 0xff;
260 params.seq = seq;
261 params.seq_len = 6;
262 break;
263 case ALG_CCMP:
264 params.cipher = WLAN_CIPHER_SUITE_CCMP;
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;
274 case ALG_WEP:
275 if (key->conf.keylen == 5)
276 params.cipher = WLAN_CIPHER_SUITE_WEP40;
277 else
278 params.cipher = WLAN_CIPHER_SUITE_WEP104;
279 break;
3cfcf6ac
JM		 280 case ALG_AES_CMAC:
281 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
282 seq[0] = key->u.aes_cmac.tx_pn[5];
283 seq[1] = key->u.aes_cmac.tx_pn[4];
284 seq[2] = key->u.aes_cmac.tx_pn[3];
285 seq[3] = key->u.aes_cmac.tx_pn[2];
286 seq[4] = key->u.aes_cmac.tx_pn[1];
287 seq[5] = key->u.aes_cmac.tx_pn[0];
288 params.seq = seq;
289 params.seq_len = 6;
290 break;
62da92fb
JB		 291 }
292
293 params.key = key->conf.key;
294 params.key_len = key->conf.keylen;
295
296 callback(cookie, &params);
297 err = 0;
298
299 out:
3b96766f 300 rcu_read_unlock();
62da92fb
JB		 301 return err;
302}
303
e8cbb4cb
JB		 304static int ieee80211_config_default_key(struct wiphy *wiphy,
305 struct net_device *dev,
306 u8 key_idx)
307{
308 struct ieee80211_sub_if_data *sdata;
309
3b96766f
JB		 310 rcu_read_lock();
311
e8cbb4cb
JB		 312 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
313 ieee80211_set_default_key(sdata, key_idx);
314
3b96766f
JB		 315 rcu_read_unlock();
316
e8cbb4cb
JB		 317 return 0;
318}
319
3cfcf6ac
JM		 320static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
321 struct net_device *dev,
322 u8 key_idx)
323{
324 struct ieee80211_sub_if_data *sdata;
325
326 rcu_read_lock();
327
328 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
329 ieee80211_set_default_mgmt_key(sdata, key_idx);
330
331 rcu_read_unlock();
332
333 return 0;
334}
335
c5dd9c2b
LCC		 336static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
337{
d0709a65 338 struct ieee80211_sub_if_data *sdata = sta->sdata;
c5dd9c2b 339
f5ea9120
JB		 340 sinfo->generation = sdata->local->sta_generation;
341
c5dd9c2b
LCC		 342 sinfo->filled = STATION_INFO_INACTIVE_TIME |
343 STATION_INFO_RX_BYTES |
420e7fab 344 STATION_INFO_TX_BYTES |
98c8a60a
JM		 345 STATION_INFO_RX_PACKETS |
346 STATION_INFO_TX_PACKETS |
420e7fab 347 STATION_INFO_TX_BITRATE;
c5dd9c2b
LCC		 348
349 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
350 sinfo->rx_bytes = sta->rx_bytes;
351 sinfo->tx_bytes = sta->tx_bytes;
98c8a60a
JM		 352 sinfo->rx_packets = sta->rx_packets;
353 sinfo->tx_packets = sta->tx_packets;
c5dd9c2b 354
19deffbe
JL		 355 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
356 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
420e7fab
HR		 357 sinfo->filled |= STATION_INFO_SIGNAL;
358 sinfo->signal = (s8)sta->last_signal;
359 }
360
361 sinfo->txrate.flags = 0;
362 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
363 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
364 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
365 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
366 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
367 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
368
369 if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
370 struct ieee80211_supported_band *sband;
371 sband = sta->local->hw.wiphy->bands[
372 sta->local->hw.conf.channel->band];
373 sinfo->txrate.legacy =
374 sband->bitrates[sta->last_tx_rate.idx].bitrate;
375 } else
376 sinfo->txrate.mcs = sta->last_tx_rate.idx;
377
902acc78 378 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 379#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 380 sinfo->filled |= STATION_INFO_LLID |
381 STATION_INFO_PLID |
382 STATION_INFO_PLINK_STATE;
383
384 sinfo->llid = le16_to_cpu(sta->llid);
385 sinfo->plid = le16_to_cpu(sta->plid);
386 sinfo->plink_state = sta->plink_state;
c5dd9c2b 387#endif
902acc78 388 }
c5dd9c2b
LCC		 389}
390
391
392static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
393 int idx, u8 *mac, struct station_info *sinfo)
394{
3b53fde8 395 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
c5dd9c2b 396 struct sta_info *sta;
d0709a65
JB		 397 int ret = -ENOENT;
398
399 rcu_read_lock();
c5dd9c2b 400
3b53fde8 401 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 402 if (sta) {
403 ret = 0;
17741cdc 404 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 405 sta_set_sinfo(sta, sinfo);
406 }
c5dd9c2b 407
d0709a65 408 rcu_read_unlock();
c5dd9c2b 409
d0709a65 410 return ret;
c5dd9c2b
LCC		 411}
412
1289723e
HS		 413static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
414 int idx, struct survey_info *survey)
415{
416 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
417
418 if (!local->ops->get_survey)
419 return -EOPNOTSUPP;
420
421 return drv_get_survey(local, idx, survey);
422}
423
7bbdd2d9 424static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 425 u8 *mac, struct station_info *sinfo)
7bbdd2d9 426{
abe60632 427 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
7bbdd2d9 428 struct sta_info *sta;
d0709a65 429 int ret = -ENOENT;
7bbdd2d9 430
d0709a65 431 rcu_read_lock();
7bbdd2d9 432
0e5ded5a 433 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 434 if (sta) {
435 ret = 0;
436 sta_set_sinfo(sta, sinfo);
437 }
438
439 rcu_read_unlock();
440
441 return ret;
7bbdd2d9
JB		 442}
443
5dfdaf58
JB		 444/*
445 * This handles both adding a beacon and setting new beacon info
446 */
447static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
448 struct beacon_parameters *params)
449{
450 struct beacon_data *new, *old;
451 int new_head_len, new_tail_len;
452 int size;
453 int err = -EINVAL;
454
455 old = sdata->u.ap.beacon;
456
457 /* head must not be zero-length */
458 if (params->head && !params->head_len)
459 return -EINVAL;
460
461 /*
462 * This is a kludge. beacon interval should really be part
463 * of the beacon information.
464 */
57c4d7b4
JB		 465 if (params->interval &&
466 (sdata->vif.bss_conf.beacon_int != params->interval)) {
467 sdata->vif.bss_conf.beacon_int = params->interval;
468 ieee80211_bss_info_change_notify(sdata,
469 BSS_CHANGED_BEACON_INT);
5dfdaf58
JB		 470 }
471
472 /* Need to have a beacon head if we don't have one yet */
473 if (!params->head && !old)
474 return err;
475
476 /* sorry, no way to start beaconing without dtim period */
477 if (!params->dtim_period && !old)
478 return err;
479
480 /* new or old head? */
481 if (params->head)
482 new_head_len = params->head_len;
483 else
484 new_head_len = old->head_len;
485
486 /* new or old tail? */
487 if (params->tail || !old)
488 /* params->tail_len will be zero for !params->tail */
489 new_tail_len = params->tail_len;
490 else
491 new_tail_len = old->tail_len;
492
493 size = sizeof(*new) + new_head_len + new_tail_len;
494
495 new = kzalloc(size, GFP_KERNEL);
496 if (!new)
497 return -ENOMEM;
498
499 /* start filling the new info now */
500
501 /* new or old dtim period? */
502 if (params->dtim_period)
503 new->dtim_period = params->dtim_period;
504 else
505 new->dtim_period = old->dtim_period;
506
507 /*
508 * pointers go into the block we allocated,
509 * memory is | beacon_data | head | tail |
510 */
511 new->head = ((u8 *) new) + sizeof(*new);
512 new->tail = new->head + new_head_len;
513 new->head_len = new_head_len;
514 new->tail_len = new_tail_len;
515
516 /* copy in head */
517 if (params->head)
518 memcpy(new->head, params->head, new_head_len);
519 else
520 memcpy(new->head, old->head, new_head_len);
521
522 /* copy in optional tail */
523 if (params->tail)
524 memcpy(new->tail, params->tail, new_tail_len);
525 else
526 if (old)
527 memcpy(new->tail, old->tail, new_tail_len);
528
19885c4f
JB		 529 sdata->vif.bss_conf.dtim_period = new->dtim_period;
530
5dfdaf58
JB		 531 rcu_assign_pointer(sdata->u.ap.beacon, new);
532
533 synchronize_rcu();
534
535 kfree(old);
536
2d0ddec5
JB		 537 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
538 BSS_CHANGED_BEACON);
539 return 0;
5dfdaf58
JB		 540}
541
542static int ieee80211_add_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 -EALREADY;
554
555 return ieee80211_config_beacon(sdata, params);
556}
557
558static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
559 struct beacon_parameters *params)
560{
14db74bc 561 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 562 struct beacon_data *old;
563
14db74bc
JB		 564 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
565
5dfdaf58
JB		 566 old = sdata->u.ap.beacon;
567
568 if (!old)
569 return -ENOENT;
570
571 return ieee80211_config_beacon(sdata, params);
572}
573
574static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
575{
14db74bc 576 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 577 struct beacon_data *old;
578
14db74bc
JB		 579 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
580
5dfdaf58
JB		 581 old = sdata->u.ap.beacon;
582
583 if (!old)
584 return -ENOENT;
585
586 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
587 synchronize_rcu();
588 kfree(old);
589
2d0ddec5
JB		 590 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
591 return 0;
5dfdaf58
JB		 592}
593
4fd6931e
JB		 594/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
595struct iapp_layer2_update {
596 u8 da[ETH_ALEN]; /* broadcast */
597 u8 sa[ETH_ALEN]; /* STA addr */
598 __be16 len; /* 6 */
599 u8 dsap; /* 0 */
600 u8 ssap; /* 0 */
601 u8 control;
602 u8 xid_info[3];
603} __attribute__ ((packed));
604
605static void ieee80211_send_layer2_update(struct sta_info *sta)
606{
607 struct iapp_layer2_update *msg;
608 struct sk_buff *skb;
609
610 /* Send Level 2 Update Frame to update forwarding tables in layer 2
611 * bridge devices */
612
613 skb = dev_alloc_skb(sizeof(*msg));
614 if (!skb)
615 return;
616 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
617
618 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
619 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
620
621 memset(msg->da, 0xff, ETH_ALEN);
17741cdc 622 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 623 msg->len = htons(6);
624 msg->dsap = 0;
625 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
626 msg->control = 0xaf; /* XID response lsb.1111F101.
627 * F=0 (no poll command; unsolicited frame) */
628 msg->xid_info[0] = 0x81; /* XID format identifier */
629 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
630 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
631
d0709a65
JB		 632 skb->dev = sta->sdata->dev;
633 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e
JB		 634 memset(skb->cb, 0, sizeof(skb->cb));
635 netif_rx(skb);
636}
637
638static void sta_apply_parameters(struct ieee80211_local *local,
639 struct sta_info *sta,
640 struct station_parameters *params)
641{
642 u32 rates;
643 int i, j;
8318d78a 644 struct ieee80211_supported_band *sband;
d0709a65 645 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 646 u32 mask, set;
4fd6931e 647
ae5eb026
JB		 648 sband = local->hw.wiphy->bands[local->oper_channel->band];
649
eccb8e8f
JB		 650 spin_lock_bh(&sta->lock);
651 mask = params->sta_flags_mask;
652 set = params->sta_flags_set;
73651ee6 653
eccb8e8f 654 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
4fd6931e 655 sta->flags &= ~WLAN_STA_AUTHORIZED;
eccb8e8f 656 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
4fd6931e 657 sta->flags |= WLAN_STA_AUTHORIZED;
eccb8e8f 658 }
4fd6931e 659
eccb8e8f 660 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
4fd6931e 661 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
eccb8e8f 662 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
4fd6931e 663 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
eccb8e8f 664 }
4fd6931e 665
eccb8e8f 666 if (mask & BIT(NL80211_STA_FLAG_WME)) {
4fd6931e 667 sta->flags &= ~WLAN_STA_WME;
eccb8e8f 668 if (set & BIT(NL80211_STA_FLAG_WME))
4fd6931e 669 sta->flags |= WLAN_STA_WME;
eccb8e8f 670 }
5394af4d 671
eccb8e8f 672 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
5394af4d 673 sta->flags &= ~WLAN_STA_MFP;
eccb8e8f 674 if (set & BIT(NL80211_STA_FLAG_MFP))
5394af4d 675 sta->flags |= WLAN_STA_MFP;
4fd6931e 676 }
eccb8e8f 677 spin_unlock_bh(&sta->lock);
4fd6931e 678
51b50fbe
JB		 679 /*
680 * cfg80211 validates this (1-2007) and allows setting the AID
681 * only when creating a new station entry
682 */
683 if (params->aid)
684 sta->sta.aid = params->aid;
685
73651ee6
JB		 686 /*
687 * FIXME: updating the following information is racy when this
688 * function is called from ieee80211_change_station().
689 * However, all this information should be static so
690 * maybe we should just reject attemps to change it.
691 */
692
4fd6931e
JB		 693 if (params->listen_interval >= 0)
694 sta->listen_interval = params->listen_interval;
695
696 if (params->supported_rates) {
697 rates = 0;
8318d78a 698
4fd6931e
JB		 699 for (i = 0; i < params->supported_rates_len; i++) {
700 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 701 for (j = 0; j < sband->n_bitrates; j++) {
702 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 703 rates |= BIT(j);
704 }
705 }
323ce79a 706 sta->sta.supp_rates[local->oper_channel->band] = rates;
4fd6931e 707 }
c5dd9c2b 708
d9fe60de 709 if (params->ht_capa)
ae5eb026
JB		 710 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
711 params->ht_capa,
d9fe60de 712 &sta->sta.ht_cap);
36aedc90 713
902acc78 714 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
c5dd9c2b
LCC		 715 switch (params->plink_action) {
716 case PLINK_ACTION_OPEN:
717 mesh_plink_open(sta);
718 break;
719 case PLINK_ACTION_BLOCK:
720 mesh_plink_block(sta);
721 break;
722 }
902acc78 723 }
4fd6931e
JB		 724}
725
726static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
727 u8 *mac, struct station_parameters *params)
728{
14db74bc 729 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 730 struct sta_info *sta;
731 struct ieee80211_sub_if_data *sdata;
73651ee6 732 int err;
b8d476c8 733 int layer2_update;
4fd6931e 734
4fd6931e
JB		 735 if (params->vlan) {
736 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
737
05c914fe
JB		 738 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
739 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 740 return -EINVAL;
741 } else
742 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
743
47846c9b 744 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
03e4497e
JB		 745 return -EINVAL;
746
747 if (is_multicast_ether_addr(mac))
748 return -EINVAL;
749
750 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 751 if (!sta)
752 return -ENOMEM;
4fd6931e
JB		 753
754 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
755
756 sta_apply_parameters(local, sta, params);
757
4b7679a5 758 rate_control_rate_init(sta);
4fd6931e 759
b8d476c8
JM		 760 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
761 sdata->vif.type == NL80211_IFTYPE_AP;
762
34e89507 763 err = sta_info_insert_rcu(sta);
73651ee6 764 if (err) {
73651ee6
JB		 765 rcu_read_unlock();
766 return err;
767 }
768
b8d476c8 769 if (layer2_update)
73651ee6
JB		 770 ieee80211_send_layer2_update(sta);
771
772 rcu_read_unlock();
773
4fd6931e
JB		 774 return 0;
775}
776
777static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
778 u8 *mac)
779{
14db74bc
JB		 780 struct ieee80211_local *local = wiphy_priv(wiphy);
781 struct ieee80211_sub_if_data *sdata;
4fd6931e 782
14db74bc
JB		 783 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
784
34e89507
JB		 785 if (mac)
786 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 787
34e89507 788 sta_info_flush(local, sdata);
4fd6931e
JB		 789 return 0;
790}
791
792static int ieee80211_change_station(struct wiphy *wiphy,
793 struct net_device *dev,
794 u8 *mac,
795 struct station_parameters *params)
796{
abe60632 797 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 798 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 799 struct sta_info *sta;
800 struct ieee80211_sub_if_data *vlansdata;
801
98dd6a57
JB		 802 rcu_read_lock();
803
0e5ded5a 804 sta = sta_info_get_bss(sdata, mac);
98dd6a57
JB		 805 if (!sta) {
806 rcu_read_unlock();
4fd6931e 807 return -ENOENT;
98dd6a57 808 }
4fd6931e 809
d0709a65 810 if (params->vlan && params->vlan != sta->sdata->dev) {
4fd6931e
JB		 811 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
812
05c914fe
JB		 813 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
814 vlansdata->vif.type != NL80211_IFTYPE_AP) {
98dd6a57 815 rcu_read_unlock();
4fd6931e 816 return -EINVAL;
98dd6a57 817 }
4fd6931e 818
9bc383de 819 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c
JB		 820 if (vlansdata->u.vlan.sta) {
821 rcu_read_unlock();
f14543ee 822 return -EBUSY;
3305443c 823 }
f14543ee
FF		 824
825 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
826 }
827
14db74bc 828 sta->sdata = vlansdata;
4fd6931e
JB		 829 ieee80211_send_layer2_update(sta);
830 }
831
832 sta_apply_parameters(local, sta, params);
833
98dd6a57
JB		 834 rcu_read_unlock();
835
4fd6931e
JB		 836 return 0;
837}
838
c5dd9c2b
LCC		 839#ifdef CONFIG_MAC80211_MESH
840static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
841 u8 *dst, u8 *next_hop)
842{
14db74bc 843 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 844 struct mesh_path *mpath;
845 struct sta_info *sta;
846 int err;
847
14db74bc
JB		 848 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
849
d0709a65 850 rcu_read_lock();
abe60632 851 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 852 if (!sta) {
853 rcu_read_unlock();
c5dd9c2b 854 return -ENOENT;
d0709a65 855 }
c5dd9c2b 856
f698d856 857 err = mesh_path_add(dst, sdata);
d0709a65
JB		 858 if (err) {
859 rcu_read_unlock();
c5dd9c2b 860 return err;
d0709a65 861 }
c5dd9c2b 862
f698d856 863 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 864 if (!mpath) {
865 rcu_read_unlock();
c5dd9c2b
LCC		 866 return -ENXIO;
867 }
868 mesh_path_fix_nexthop(mpath, sta);
d0709a65 869
c5dd9c2b
LCC		 870 rcu_read_unlock();
871 return 0;
872}
873
874static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
875 u8 *dst)
876{
f698d856
JBG		 877 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
878
c5dd9c2b 879 if (dst)
f698d856 880 return mesh_path_del(dst, sdata);
c5dd9c2b 881
f698d856 882 mesh_path_flush(sdata);
c5dd9c2b
LCC		 883 return 0;
884}
885
886static int ieee80211_change_mpath(struct wiphy *wiphy,
887 struct net_device *dev,
888 u8 *dst, u8 *next_hop)
889{
14db74bc 890 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 891 struct mesh_path *mpath;
892 struct sta_info *sta;
893
14db74bc
JB		 894 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
895
d0709a65
JB		 896 rcu_read_lock();
897
abe60632 898 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 899 if (!sta) {
900 rcu_read_unlock();
c5dd9c2b 901 return -ENOENT;
d0709a65 902 }
c5dd9c2b 903
f698d856 904 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 905 if (!mpath) {
906 rcu_read_unlock();
c5dd9c2b
LCC		 907 return -ENOENT;
908 }
909
910 mesh_path_fix_nexthop(mpath, sta);
d0709a65 911
c5dd9c2b
LCC		 912 rcu_read_unlock();
913 return 0;
914}
915
916static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
917 struct mpath_info *pinfo)
918{
919 if (mpath->next_hop)
17741cdc 920 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 921 else
922 memset(next_hop, 0, ETH_ALEN);
923
f5ea9120
JB		 924 pinfo->generation = mesh_paths_generation;
925
c5dd9c2b 926 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 927 MPATH_INFO_SN |
c5dd9c2b
LCC		 928 MPATH_INFO_METRIC |
929 MPATH_INFO_EXPTIME |
930 MPATH_INFO_DISCOVERY_TIMEOUT |
931 MPATH_INFO_DISCOVERY_RETRIES |
932 MPATH_INFO_FLAGS;
933
934 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 935 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 936 pinfo->metric = mpath->metric;
937 if (time_before(jiffies, mpath->exp_time))
938 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
939 pinfo->discovery_timeout =
940 jiffies_to_msecs(mpath->discovery_timeout);
941 pinfo->discovery_retries = mpath->discovery_retries;
942 pinfo->flags = 0;
943 if (mpath->flags & MESH_PATH_ACTIVE)
944 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
945 if (mpath->flags & MESH_PATH_RESOLVING)
946 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 947 if (mpath->flags & MESH_PATH_SN_VALID)
948 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 949 if (mpath->flags & MESH_PATH_FIXED)
950 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
951 if (mpath->flags & MESH_PATH_RESOLVING)
952 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
953
954 pinfo->flags = mpath->flags;
955}
956
957static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
958 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
959
960{
14db74bc 961 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 962 struct mesh_path *mpath;
963
14db74bc
JB		 964 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
965
c5dd9c2b 966 rcu_read_lock();
f698d856 967 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 968 if (!mpath) {
969 rcu_read_unlock();
970 return -ENOENT;
971 }
972 memcpy(dst, mpath->dst, ETH_ALEN);
973 mpath_set_pinfo(mpath, next_hop, pinfo);
974 rcu_read_unlock();
975 return 0;
976}
977
978static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
979 int idx, u8 *dst, u8 *next_hop,
980 struct mpath_info *pinfo)
981{
14db74bc 982 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 983 struct mesh_path *mpath;
984
14db74bc
JB		 985 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
986
c5dd9c2b 987 rcu_read_lock();
f698d856 988 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 989 if (!mpath) {
990 rcu_read_unlock();
991 return -ENOENT;
992 }
993 memcpy(dst, mpath->dst, ETH_ALEN);
994 mpath_set_pinfo(mpath, next_hop, pinfo);
995 rcu_read_unlock();
996 return 0;
997}
93da9cc1 998
999static int ieee80211_get_mesh_params(struct wiphy *wiphy,
1000 struct net_device *dev,
1001 struct mesh_config *conf)
1002{
1003 struct ieee80211_sub_if_data *sdata;
1004 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1005
93da9cc1 1006 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1007 return 0;
1008}
1009
1010static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1011{
1012 return (mask >> (parm-1)) & 0x1;
1013}
1014
1015static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1016 struct net_device *dev,
1017 const struct mesh_config *nconf, u32 mask)
1018{
1019 struct mesh_config *conf;
1020 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1021 struct ieee80211_if_mesh *ifmsh;
1022
93da9cc1 1023 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1024 ifmsh = &sdata->u.mesh;
93da9cc1 1025
93da9cc1 1026 /* Set the config options which we are interested in setting */
1027 conf = &(sdata->u.mesh.mshcfg);
1028 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1029 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1030 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1031 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1032 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1033 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1034 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1035 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1036 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1037 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1038 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1039 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1040 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1041 conf->auto_open_plinks = nconf->auto_open_plinks;
1042 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1043 conf->dot11MeshHWMPmaxPREQretries =
1044 nconf->dot11MeshHWMPmaxPREQretries;
1045 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1046 conf->path_refresh_time = nconf->path_refresh_time;
1047 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1048 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1049 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1050 conf->dot11MeshHWMPactivePathTimeout =
1051 nconf->dot11MeshHWMPactivePathTimeout;
1052 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1053 conf->dot11MeshHWMPpreqMinInterval =
1054 nconf->dot11MeshHWMPpreqMinInterval;
1055 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1056 mask))
1057 conf->dot11MeshHWMPnetDiameterTraversalTime =
1058 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1059 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1060 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1061 ieee80211_mesh_root_setup(ifmsh);
1062 }
93da9cc1 1063 return 0;
1064}
1065
c5dd9c2b
LCC		 1066#endif
1067
9f1ba906
JM		 1068static int ieee80211_change_bss(struct wiphy *wiphy,
1069 struct net_device *dev,
1070 struct bss_parameters *params)
1071{
9f1ba906
JM		 1072 struct ieee80211_sub_if_data *sdata;
1073 u32 changed = 0;
1074
9f1ba906
JM		 1075 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1076
9f1ba906 1077 if (params->use_cts_prot >= 0) {
bda3933a 1078 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1079 changed |= BSS_CHANGED_ERP_CTS_PROT;
1080 }
1081 if (params->use_short_preamble >= 0) {
bda3933a 1082 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1083 params->use_short_preamble;
1084 changed |= BSS_CHANGED_ERP_PREAMBLE;
1085 }
43d35343
FF		 1086
1087 if (!sdata->vif.bss_conf.use_short_slot &&
1088 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1089 sdata->vif.bss_conf.use_short_slot = true;
1090 changed |= BSS_CHANGED_ERP_SLOT;
1091 }
1092
9f1ba906 1093 if (params->use_short_slot_time >= 0) {
bda3933a 1094 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1095 params->use_short_slot_time;
1096 changed |= BSS_CHANGED_ERP_SLOT;
1097 }
1098
90c97a04
JM		 1099 if (params->basic_rates) {
1100 int i, j;
1101 u32 rates = 0;
1102 struct ieee80211_local *local = wiphy_priv(wiphy);
1103 struct ieee80211_supported_band *sband =
1104 wiphy->bands[local->oper_channel->band];
1105
1106 for (i = 0; i < params->basic_rates_len; i++) {
1107 int rate = (params->basic_rates[i] & 0x7f) * 5;
1108 for (j = 0; j < sband->n_bitrates; j++) {
1109 if (sband->bitrates[j].bitrate == rate)
1110 rates |= BIT(j);
1111 }
1112 }
1113 sdata->vif.bss_conf.basic_rates = rates;
1114 changed |= BSS_CHANGED_BASIC_RATES;
1115 }
1116
7b7b5e56
FF		 1117 if (params->ap_isolate >= 0) {
1118 if (params->ap_isolate)
1119 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1120 else
1121 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
1122 }
1123
9f1ba906
JM		 1124 ieee80211_bss_info_change_notify(sdata, changed);
1125
1126 return 0;
1127}
1128
31888487
JM		 1129static int ieee80211_set_txq_params(struct wiphy *wiphy,
1130 struct ieee80211_txq_params *params)
1131{
1132 struct ieee80211_local *local = wiphy_priv(wiphy);
1133 struct ieee80211_tx_queue_params p;
1134
1135 if (!local->ops->conf_tx)
1136 return -EOPNOTSUPP;
1137
1138 memset(&p, 0, sizeof(p));
1139 p.aifs = params->aifs;
1140 p.cw_max = params->cwmax;
1141 p.cw_min = params->cwmin;
1142 p.txop = params->txop;
ab13315a
KV		 1143
1144 /*
1145 * Setting tx queue params disables u-apsd because it's only
1146 * called in master mode.
1147 */
1148 p.uapsd = false;
1149
24487981 1150 if (drv_conf_tx(local, params->queue, &p)) {
31888487 1151 printk(KERN_DEBUG "%s: failed to set TX queue "
0bffe40f
JB		 1152 "parameters for queue %d\n",
1153 wiphy_name(local->hw.wiphy), params->queue);
31888487
JM		 1154 return -EINVAL;
1155 }
1156
0af26b27
SG		 1157 /* enable WMM or activate new settings */
1158 local->hw.conf.flags |= IEEE80211_CONF_QOS;
1159 drv_config(local, IEEE80211_CONF_CHANGE_QOS);
1160
31888487
JM		 1161 return 0;
1162}
1163
72bdcf34 1164static int ieee80211_set_channel(struct wiphy *wiphy,
f444de05 1165 struct net_device *netdev,
72bdcf34 1166 struct ieee80211_channel *chan,
094d05dc 1167 enum nl80211_channel_type channel_type)
72bdcf34
JM		 1168{
1169 struct ieee80211_local *local = wiphy_priv(wiphy);
0aaffa9b
JB		 1170 struct ieee80211_sub_if_data *sdata = NULL;
1171
1172 if (netdev)
1173 sdata = IEEE80211_DEV_TO_SUB_IF(netdev);
72bdcf34 1174
f444de05
JB		 1175 switch (ieee80211_get_channel_mode(local, NULL)) {
1176 case CHAN_MODE_HOPPING:
1177 return -EBUSY;
1178 case CHAN_MODE_FIXED:
0aaffa9b
JB		 1179 if (local->oper_channel != chan)
1180 return -EBUSY;
1181 if (!sdata && local->_oper_channel_type == channel_type)
f444de05 1182 return 0;
0aaffa9b 1183 break;
f444de05
JB		 1184 case CHAN_MODE_UNDEFINED:
1185 break;
1186 }
72bdcf34
JM		 1187
1188 local->oper_channel = chan;
72bdcf34 1189
0aaffa9b
JB		 1190 if (!ieee80211_set_channel_type(local, sdata, channel_type))
1191 return -EBUSY;
1192
1193 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1194 if (sdata && sdata->vif.type != NL80211_IFTYPE_MONITOR)
1195 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1196
1197 return 0;
72bdcf34
JM		 1198}
1199
665af4fc
BC		 1200#ifdef CONFIG_PM
1201static int ieee80211_suspend(struct wiphy *wiphy)
1202{
1203 return __ieee80211_suspend(wiphy_priv(wiphy));
1204}
1205
1206static int ieee80211_resume(struct wiphy *wiphy)
1207{
1208 return __ieee80211_resume(wiphy_priv(wiphy));
1209}
1210#else
1211#define ieee80211_suspend NULL
1212#define ieee80211_resume NULL
1213#endif
1214
2a519311
JB		 1215static int ieee80211_scan(struct wiphy *wiphy,
1216 struct net_device *dev,
1217 struct cfg80211_scan_request *req)
1218{
1219 struct ieee80211_sub_if_data *sdata;
1220
2a519311
JB		 1221 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1222
1223 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1224 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
357303e2
JM		 1225 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1226 (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
2a519311
JB		 1227 return -EOPNOTSUPP;
1228
1229 return ieee80211_request_scan(sdata, req);
1230}
1231
636a5d36
JM		 1232static 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
1238static 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
1258static 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
1266static 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		 1274static 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
1296static 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		 1303static 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
310bc676
LT		 1308 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1309 err = drv_set_coverage_class(local, wiphy->coverage_class);
1310
1311 if (err)
1312 return err;
1313 }
1314
b9a5f8ca 1315 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 1316 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 1317
24487981
JB		 1318 if (err)
1319 return err;
b9a5f8ca
JM		 1320 }
1321
1322 if (changed & WIPHY_PARAM_RETRY_SHORT)
1323 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1324 if (changed & WIPHY_PARAM_RETRY_LONG)
1325 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1326 if (changed &
1327 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1328 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1329
1330 return 0;
1331}
1332
7643a2c3
JB		 1333static int ieee80211_set_tx_power(struct wiphy *wiphy,
1334 enum tx_power_setting type, int dbm)
1335{
1336 struct ieee80211_local *local = wiphy_priv(wiphy);
1337 struct ieee80211_channel *chan = local->hw.conf.channel;
1338 u32 changes = 0;
7643a2c3
JB		 1339
1340 switch (type) {
1341 case TX_POWER_AUTOMATIC:
1342 local->user_power_level = -1;
1343 break;
1344 case TX_POWER_LIMITED:
1345 if (dbm < 0)
1346 return -EINVAL;
1347 local->user_power_level = dbm;
1348 break;
1349 case TX_POWER_FIXED:
1350 if (dbm < 0)
1351 return -EINVAL;
1352 /* TODO: move to cfg80211 when it knows the channel */
1353 if (dbm > chan->max_power)
1354 return -EINVAL;
1355 local->user_power_level = dbm;
1356 break;
7643a2c3
JB		 1357 }
1358
1359 ieee80211_hw_config(local, changes);
1360
1361 return 0;
1362}
1363
1364static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1365{
1366 struct ieee80211_local *local = wiphy_priv(wiphy);
1367
1368 *dbm = local->hw.conf.power_level;
1369
7643a2c3
JB		 1370 return 0;
1371}
1372
ab737a4f
JB		 1373static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1374 u8 *addr)
1375{
1376 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1377
1378 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1379
1380 return 0;
1381}
1382
1f87f7d3
JB		 1383static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1384{
1385 struct ieee80211_local *local = wiphy_priv(wiphy);
1386
1387 drv_rfkill_poll(local);
1388}
1389
aff89a9b 1390#ifdef CONFIG_NL80211_TESTMODE
99783e2c 1391static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 1392{
1393 struct ieee80211_local *local = wiphy_priv(wiphy);
1394
1395 if (!local->ops->testmode_cmd)
1396 return -EOPNOTSUPP;
1397
1398 return local->ops->testmode_cmd(&local->hw, data, len);
1399}
1400#endif
1401
0f78231b
JB		 1402int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1403 enum ieee80211_smps_mode smps_mode)
1404{
1405 const u8 *ap;
1406 enum ieee80211_smps_mode old_req;
1407 int err;
1408
1409 old_req = sdata->u.mgd.req_smps;
1410 sdata->u.mgd.req_smps = smps_mode;
1411
1412 if (old_req == smps_mode &&
1413 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1414 return 0;
1415
1416 /*
1417 * If not associated, or current association is not an HT
1418 * association, there's no need to send an action frame.
1419 */
1420 if (!sdata->u.mgd.associated ||
0aaffa9b 1421 sdata->vif.bss_conf.channel_type == NL80211_CHAN_NO_HT) {
0f78231b
JB		 1422 mutex_lock(&sdata->local->iflist_mtx);
1423 ieee80211_recalc_smps(sdata->local, sdata);
1424 mutex_unlock(&sdata->local->iflist_mtx);
1425 return 0;
1426 }
1427
0c1ad2ca 1428 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 1429
1430 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1431 if (sdata->u.mgd.powersave)
1432 smps_mode = IEEE80211_SMPS_DYNAMIC;
1433 else
1434 smps_mode = IEEE80211_SMPS_OFF;
1435 }
1436
1437 /* send SM PS frame to AP */
1438 err = ieee80211_send_smps_action(sdata, smps_mode,
1439 ap, ap);
1440 if (err)
1441 sdata->u.mgd.req_smps = old_req;
1442
1443 return err;
1444}
1445
bc92afd9
JB		 1446static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1447 bool enabled, int timeout)
1448{
1449 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1450 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1451 struct ieee80211_conf *conf = &local->hw.conf;
1452
e5de30c9
BP		 1453 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1454 return -EOPNOTSUPP;
1455
bc92afd9
JB		 1456 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1457 return -EOPNOTSUPP;
1458
1459 if (enabled == sdata->u.mgd.powersave &&
195e294d 1460 timeout == conf->dynamic_ps_forced_timeout)
bc92afd9
JB		 1461 return 0;
1462
1463 sdata->u.mgd.powersave = enabled;
195e294d 1464 conf->dynamic_ps_forced_timeout = timeout;
bc92afd9 1465
0f78231b
JB		 1466 /* no change, but if automatic follow powersave */
1467 mutex_lock(&sdata->u.mgd.mtx);
1468 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1469 mutex_unlock(&sdata->u.mgd.mtx);
1470
bc92afd9
JB		 1471 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1472 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1473
1474 ieee80211_recalc_ps(local, -1);
1475
1476 return 0;
1477}
1478
a97c13c3
JO		 1479static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
1480 struct net_device *dev,
1481 s32 rssi_thold, u32 rssi_hyst)
1482{
1483 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1484 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1485 struct ieee80211_vif *vif = &sdata->vif;
1486 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
1487
a97c13c3
JO		 1488 if (rssi_thold == bss_conf->cqm_rssi_thold &&
1489 rssi_hyst == bss_conf->cqm_rssi_hyst)
1490 return 0;
1491
1492 bss_conf->cqm_rssi_thold = rssi_thold;
1493 bss_conf->cqm_rssi_hyst = rssi_hyst;
1494
17e4ec14
JM		 1495 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_CQM_RSSI)) {
1496 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1497 return -EOPNOTSUPP;
1498 return 0;
1499 }
1500
a97c13c3
JO		 1501 /* tell the driver upon association, unless already associated */
1502 if (sdata->u.mgd.associated)
1503 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
1504
1505 return 0;
1506}
1507
9930380f
JB		 1508static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1509 struct net_device *dev,
1510 const u8 *addr,
1511 const struct cfg80211_bitrate_mask *mask)
1512{
1513 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1514 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2c7e6bc9 1515 int i;
9930380f 1516
2c7e6bc9
JB		 1517 /*
1518 * This _could_ be supported by providing a hook for
1519 * drivers for this function, but at this point it
1520 * doesn't seem worth bothering.
1521 */
1522 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
1523 return -EOPNOTSUPP;
1524
9930380f 1525
37eb0b16
JM		 1526 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1527 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
9930380f 1528
37eb0b16 1529 return 0;
9930380f
JB		 1530}
1531
b8bc4b0a
JB		 1532static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1533 struct net_device *dev,
1534 struct ieee80211_channel *chan,
1535 enum nl80211_channel_type channel_type,
1536 unsigned int duration,
1537 u64 *cookie)
1538{
1539 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1540
1541 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1542 duration, cookie);
1543}
1544
1545static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1546 struct net_device *dev,
1547 u64 cookie)
1548{
1549 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1550
1551 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1552}
1553
026331c4
JM		 1554static int ieee80211_action(struct wiphy *wiphy, struct net_device *dev,
1555 struct ieee80211_channel *chan,
1556 enum nl80211_channel_type channel_type,
1557 const u8 *buf, size_t len, u64 *cookie)
1558{
1559 return ieee80211_mgd_action(IEEE80211_DEV_TO_SUB_IF(dev), chan,
1560 channel_type, buf, len, cookie);
1561}
1562
f0706e82
JB		 1563struct cfg80211_ops mac80211_config_ops = {
1564 .add_virtual_intf = ieee80211_add_iface,
1565 .del_virtual_intf = ieee80211_del_iface,
42613db7 1566 .change_virtual_intf = ieee80211_change_iface,
e8cbb4cb
JB		 1567 .add_key = ieee80211_add_key,
1568 .del_key = ieee80211_del_key,
62da92fb 1569 .get_key = ieee80211_get_key,
e8cbb4cb 1570 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 1571 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
5dfdaf58
JB		 1572 .add_beacon = ieee80211_add_beacon,
1573 .set_beacon = ieee80211_set_beacon,
1574 .del_beacon = ieee80211_del_beacon,
4fd6931e
JB		 1575 .add_station = ieee80211_add_station,
1576 .del_station = ieee80211_del_station,
1577 .change_station = ieee80211_change_station,
7bbdd2d9 1578 .get_station = ieee80211_get_station,
c5dd9c2b 1579 .dump_station = ieee80211_dump_station,
1289723e 1580 .dump_survey = ieee80211_dump_survey,
c5dd9c2b
LCC		 1581#ifdef CONFIG_MAC80211_MESH
1582 .add_mpath = ieee80211_add_mpath,
1583 .del_mpath = ieee80211_del_mpath,
1584 .change_mpath = ieee80211_change_mpath,
1585 .get_mpath = ieee80211_get_mpath,
1586 .dump_mpath = ieee80211_dump_mpath,
93da9cc1 1587 .set_mesh_params = ieee80211_set_mesh_params,
1588 .get_mesh_params = ieee80211_get_mesh_params,
c5dd9c2b 1589#endif
9f1ba906 1590 .change_bss = ieee80211_change_bss,
31888487 1591 .set_txq_params = ieee80211_set_txq_params,
72bdcf34 1592 .set_channel = ieee80211_set_channel,
665af4fc
BC		 1593 .suspend = ieee80211_suspend,
1594 .resume = ieee80211_resume,
2a519311 1595 .scan = ieee80211_scan,
636a5d36
JM		 1596 .auth = ieee80211_auth,
1597 .assoc = ieee80211_assoc,
1598 .deauth = ieee80211_deauth,
1599 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 1600 .join_ibss = ieee80211_join_ibss,
1601 .leave_ibss = ieee80211_leave_ibss,
b9a5f8ca 1602 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 1603 .set_tx_power = ieee80211_set_tx_power,
1604 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 1605 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 1606 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 1607 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
bc92afd9 1608 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 1609 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 1610 .remain_on_channel = ieee80211_remain_on_channel,
1611 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
026331c4 1612 .action = ieee80211_action,
a97c13c3 1613 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
f0706e82 1614};
kernel source for telekom puls (alcatel/mediatek)