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Merge branch 'bkl/procfs' of git://git.kernel.org/pub/scm/linux/kernel/git/frederic...
[linux-2.6-block.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
05c914fe 100 if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
8cc9a739
MW		 101 return 0;
102
9bc383de
JB		 103 if (type == NL80211_IFTYPE_AP_VLAN &&
104 params && params->use_4addr == 0)
105 rcu_assign_pointer(sdata->u.vlan.sta, NULL);
106 else if (type == NL80211_IFTYPE_STATION &&
107 params && params->use_4addr >= 0)
108 sdata->u.mgd.use_4addr = params->use_4addr;
109
8cc9a739 110 sdata->u.mntr_flags = *flags;
42613db7
JB		 111 return 0;
112}
113
e8cbb4cb 114static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
4e943900 115 u8 key_idx, const u8 *mac_addr,
e8cbb4cb
JB		 116 struct key_params *params)
117{
118 struct ieee80211_sub_if_data *sdata;
119 struct sta_info *sta = NULL;
120 enum ieee80211_key_alg alg;
db4d1169 121 struct ieee80211_key *key;
3b96766f 122 int err;
e8cbb4cb
JB		 123
124 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
125
126 switch (params->cipher) {
127 case WLAN_CIPHER_SUITE_WEP40:
128 case WLAN_CIPHER_SUITE_WEP104:
129 alg = ALG_WEP;
130 break;
131 case WLAN_CIPHER_SUITE_TKIP:
132 alg = ALG_TKIP;
133 break;
134 case WLAN_CIPHER_SUITE_CCMP:
135 alg = ALG_CCMP;
136 break;
3cfcf6ac
JM		 137 case WLAN_CIPHER_SUITE_AES_CMAC:
138 alg = ALG_AES_CMAC;
139 break;
e8cbb4cb
JB		 140 default:
141 return -EINVAL;
142 }
143
faa8fdc8
JM		 144 key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
145 params->seq_len, params->seq);
db4d1169
JB		 146 if (!key)
147 return -ENOMEM;
148
3b96766f
JB		 149 rcu_read_lock();
150
e8cbb4cb 151 if (mac_addr) {
0e5ded5a 152 sta = sta_info_get_bss(sdata, mac_addr);
db4d1169
JB		 153 if (!sta) {
154 ieee80211_key_free(key);
3b96766f
JB		 155 err = -ENOENT;
156 goto out_unlock;
db4d1169 157 }
e8cbb4cb
JB		 158 }
159
db4d1169
JB		 160 ieee80211_key_link(key, sdata, sta);
161
3b96766f
JB		 162 err = 0;
163 out_unlock:
164 rcu_read_unlock();
165
166 return err;
e8cbb4cb
JB		 167}
168
169static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
4e943900 170 u8 key_idx, const u8 *mac_addr)
e8cbb4cb
JB		 171{
172 struct ieee80211_sub_if_data *sdata;
173 struct sta_info *sta;
174 int ret;
175
176 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
177
3b96766f
JB		 178 rcu_read_lock();
179
e8cbb4cb 180 if (mac_addr) {
3b96766f
JB		 181 ret = -ENOENT;
182
0e5ded5a 183 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 184 if (!sta)
3b96766f 185 goto out_unlock;
e8cbb4cb 186
db4d1169 187 if (sta->key) {
d0709a65 188 ieee80211_key_free(sta->key);
db4d1169 189 WARN_ON(sta->key);
3b96766f
JB		 190 ret = 0;
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
d0709a65 201 ieee80211_key_free(sdata->keys[key_idx]);
db4d1169 202 WARN_ON(sdata->keys[key_idx]);
e8cbb4cb 203
3b96766f
JB		 204 ret = 0;
205 out_unlock:
206 rcu_read_unlock();
207
208 return ret;
e8cbb4cb
JB		 209}
210
62da92fb 211static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
4e943900 212 u8 key_idx, const u8 *mac_addr, void *cookie,
62da92fb
JB		 213 void (*callback)(void *cookie,
214 struct key_params *params))
215{
14db74bc 216 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 217 struct sta_info *sta = NULL;
218 u8 seq[6] = {0};
219 struct key_params params;
220 struct ieee80211_key *key;
221 u32 iv32;
222 u16 iv16;
223 int err = -ENOENT;
224
14db74bc
JB		 225 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
226
3b96766f
JB		 227 rcu_read_lock();
228
62da92fb 229 if (mac_addr) {
0e5ded5a 230 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 231 if (!sta)
232 goto out;
233
234 key = sta->key;
235 } else
236 key = sdata->keys[key_idx];
237
238 if (!key)
239 goto out;
240
241 memset(&params, 0, sizeof(params));
242
243 switch (key->conf.alg) {
244 case ALG_TKIP:
245 params.cipher = WLAN_CIPHER_SUITE_TKIP;
246
b0f76b33
HH		 247 iv32 = key->u.tkip.tx.iv32;
248 iv16 = key->u.tkip.tx.iv16;
62da92fb 249
24487981
JB		 250 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
251 drv_get_tkip_seq(sdata->local,
252 key->conf.hw_key_idx,
253 &iv32, &iv16);
62da92fb
JB		 254
255 seq[0] = iv16 & 0xff;
256 seq[1] = (iv16 >> 8) & 0xff;
257 seq[2] = iv32 & 0xff;
258 seq[3] = (iv32 >> 8) & 0xff;
259 seq[4] = (iv32 >> 16) & 0xff;
260 seq[5] = (iv32 >> 24) & 0xff;
261 params.seq = seq;
262 params.seq_len = 6;
263 break;
264 case ALG_CCMP:
265 params.cipher = WLAN_CIPHER_SUITE_CCMP;
266 seq[0] = key->u.ccmp.tx_pn[5];
267 seq[1] = key->u.ccmp.tx_pn[4];
268 seq[2] = key->u.ccmp.tx_pn[3];
269 seq[3] = key->u.ccmp.tx_pn[2];
270 seq[4] = key->u.ccmp.tx_pn[1];
271 seq[5] = key->u.ccmp.tx_pn[0];
272 params.seq = seq;
273 params.seq_len = 6;
274 break;
275 case ALG_WEP:
276 if (key->conf.keylen == 5)
277 params.cipher = WLAN_CIPHER_SUITE_WEP40;
278 else
279 params.cipher = WLAN_CIPHER_SUITE_WEP104;
280 break;
3cfcf6ac
JM		 281 case ALG_AES_CMAC:
282 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
283 seq[0] = key->u.aes_cmac.tx_pn[5];
284 seq[1] = key->u.aes_cmac.tx_pn[4];
285 seq[2] = key->u.aes_cmac.tx_pn[3];
286 seq[3] = key->u.aes_cmac.tx_pn[2];
287 seq[4] = key->u.aes_cmac.tx_pn[1];
288 seq[5] = key->u.aes_cmac.tx_pn[0];
289 params.seq = seq;
290 params.seq_len = 6;
291 break;
62da92fb
JB		 292 }
293
294 params.key = key->conf.key;
295 params.key_len = key->conf.keylen;
296
297 callback(cookie, &params);
298 err = 0;
299
300 out:
3b96766f 301 rcu_read_unlock();
62da92fb
JB		 302 return err;
303}
304
e8cbb4cb
JB		 305static int ieee80211_config_default_key(struct wiphy *wiphy,
306 struct net_device *dev,
307 u8 key_idx)
308{
309 struct ieee80211_sub_if_data *sdata;
310
3b96766f
JB		 311 rcu_read_lock();
312
e8cbb4cb
JB		 313 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
314 ieee80211_set_default_key(sdata, key_idx);
315
3b96766f
JB		 316 rcu_read_unlock();
317
e8cbb4cb
JB		 318 return 0;
319}
320
3cfcf6ac
JM		 321static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
322 struct net_device *dev,
323 u8 key_idx)
324{
325 struct ieee80211_sub_if_data *sdata;
326
327 rcu_read_lock();
328
329 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
330 ieee80211_set_default_mgmt_key(sdata, key_idx);
331
332 rcu_read_unlock();
333
334 return 0;
335}
336
c5dd9c2b
LCC		 337static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
338{
d0709a65 339 struct ieee80211_sub_if_data *sdata = sta->sdata;
c5dd9c2b 340
f5ea9120
JB		 341 sinfo->generation = sdata->local->sta_generation;
342
c5dd9c2b
LCC		 343 sinfo->filled = STATION_INFO_INACTIVE_TIME |
344 STATION_INFO_RX_BYTES |
420e7fab 345 STATION_INFO_TX_BYTES |
98c8a60a
JM		 346 STATION_INFO_RX_PACKETS |
347 STATION_INFO_TX_PACKETS |
420e7fab 348 STATION_INFO_TX_BITRATE;
c5dd9c2b
LCC		 349
350 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
351 sinfo->rx_bytes = sta->rx_bytes;
352 sinfo->tx_bytes = sta->tx_bytes;
98c8a60a
JM		 353 sinfo->rx_packets = sta->rx_packets;
354 sinfo->tx_packets = sta->tx_packets;
c5dd9c2b 355
19deffbe
JL		 356 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
357 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
420e7fab
HR		 358 sinfo->filled |= STATION_INFO_SIGNAL;
359 sinfo->signal = (s8)sta->last_signal;
360 }
361
362 sinfo->txrate.flags = 0;
363 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
364 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
365 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
366 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
367 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
368 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
369
370 if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
371 struct ieee80211_supported_band *sband;
372 sband = sta->local->hw.wiphy->bands[
373 sta->local->hw.conf.channel->band];
374 sinfo->txrate.legacy =
375 sband->bitrates[sta->last_tx_rate.idx].bitrate;
376 } else
377 sinfo->txrate.mcs = sta->last_tx_rate.idx;
378
902acc78 379 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 380#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 381 sinfo->filled |= STATION_INFO_LLID |
382 STATION_INFO_PLID |
383 STATION_INFO_PLINK_STATE;
384
385 sinfo->llid = le16_to_cpu(sta->llid);
386 sinfo->plid = le16_to_cpu(sta->plid);
387 sinfo->plink_state = sta->plink_state;
c5dd9c2b 388#endif
902acc78 389 }
c5dd9c2b
LCC		 390}
391
392
393static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
394 int idx, u8 *mac, struct station_info *sinfo)
395{
3b53fde8 396 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
c5dd9c2b 397 struct sta_info *sta;
d0709a65
JB		 398 int ret = -ENOENT;
399
400 rcu_read_lock();
c5dd9c2b 401
3b53fde8 402 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 403 if (sta) {
404 ret = 0;
17741cdc 405 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 406 sta_set_sinfo(sta, sinfo);
407 }
c5dd9c2b 408
d0709a65 409 rcu_read_unlock();
c5dd9c2b 410
d0709a65 411 return ret;
c5dd9c2b
LCC		 412}
413
7bbdd2d9 414static 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 */
437static 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
532static 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
548static 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
564static 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) */
585struct 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];
593} __attribute__ ((packed));
594
595static 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
JB		 624 memset(skb->cb, 0, sizeof(skb->cb));
625 netif_rx(skb);
626}
627
628static void sta_apply_parameters(struct ieee80211_local *local,
629 struct sta_info *sta,
630 struct station_parameters *params)
631{
632 u32 rates;
633 int i, j;
8318d78a 634 struct ieee80211_supported_band *sband;
d0709a65 635 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 636 u32 mask, set;
4fd6931e 637
ae5eb026
JB		 638 sband = local->hw.wiphy->bands[local->oper_channel->band];
639
eccb8e8f
JB		 640 spin_lock_bh(&sta->lock);
641 mask = params->sta_flags_mask;
642 set = params->sta_flags_set;
73651ee6 643
eccb8e8f 644 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
4fd6931e 645 sta->flags &= ~WLAN_STA_AUTHORIZED;
eccb8e8f 646 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
4fd6931e 647 sta->flags |= WLAN_STA_AUTHORIZED;
eccb8e8f 648 }
4fd6931e 649
eccb8e8f 650 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
4fd6931e 651 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
eccb8e8f 652 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
4fd6931e 653 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
eccb8e8f 654 }
4fd6931e 655
eccb8e8f 656 if (mask & BIT(NL80211_STA_FLAG_WME)) {
4fd6931e 657 sta->flags &= ~WLAN_STA_WME;
eccb8e8f 658 if (set & BIT(NL80211_STA_FLAG_WME))
4fd6931e 659 sta->flags |= WLAN_STA_WME;
eccb8e8f 660 }
5394af4d 661
eccb8e8f 662 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
5394af4d 663 sta->flags &= ~WLAN_STA_MFP;
eccb8e8f 664 if (set & BIT(NL80211_STA_FLAG_MFP))
5394af4d 665 sta->flags |= WLAN_STA_MFP;
4fd6931e 666 }
eccb8e8f 667 spin_unlock_bh(&sta->lock);
4fd6931e 668
51b50fbe
JB		 669 /*
670 * cfg80211 validates this (1-2007) and allows setting the AID
671 * only when creating a new station entry
672 */
673 if (params->aid)
674 sta->sta.aid = params->aid;
675
73651ee6
JB		 676 /*
677 * FIXME: updating the following information is racy when this
678 * function is called from ieee80211_change_station().
679 * However, all this information should be static so
680 * maybe we should just reject attemps to change it.
681 */
682
4fd6931e
JB		 683 if (params->listen_interval >= 0)
684 sta->listen_interval = params->listen_interval;
685
686 if (params->supported_rates) {
687 rates = 0;
8318d78a 688
4fd6931e
JB		 689 for (i = 0; i < params->supported_rates_len; i++) {
690 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 691 for (j = 0; j < sband->n_bitrates; j++) {
692 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 693 rates |= BIT(j);
694 }
695 }
323ce79a 696 sta->sta.supp_rates[local->oper_channel->band] = rates;
4fd6931e 697 }
c5dd9c2b 698
d9fe60de 699 if (params->ht_capa)
ae5eb026
JB		 700 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
701 params->ht_capa,
d9fe60de 702 &sta->sta.ht_cap);
36aedc90 703
902acc78 704 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
c5dd9c2b
LCC		 705 switch (params->plink_action) {
706 case PLINK_ACTION_OPEN:
707 mesh_plink_open(sta);
708 break;
709 case PLINK_ACTION_BLOCK:
710 mesh_plink_block(sta);
711 break;
712 }
902acc78 713 }
4fd6931e
JB		 714}
715
716static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
717 u8 *mac, struct station_parameters *params)
718{
14db74bc 719 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 720 struct sta_info *sta;
721 struct ieee80211_sub_if_data *sdata;
73651ee6 722 int err;
b8d476c8 723 int layer2_update;
4fd6931e 724
4fd6931e
JB		 725 if (params->vlan) {
726 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
727
05c914fe
JB		 728 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
729 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 730 return -EINVAL;
731 } else
732 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
733
47846c9b 734 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
03e4497e
JB		 735 return -EINVAL;
736
737 if (is_multicast_ether_addr(mac))
738 return -EINVAL;
739
740 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 741 if (!sta)
742 return -ENOMEM;
4fd6931e
JB		 743
744 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
745
746 sta_apply_parameters(local, sta, params);
747
4b7679a5 748 rate_control_rate_init(sta);
4fd6931e 749
b8d476c8
JM		 750 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
751 sdata->vif.type == NL80211_IFTYPE_AP;
752
34e89507 753 err = sta_info_insert_rcu(sta);
73651ee6 754 if (err) {
73651ee6
JB		 755 rcu_read_unlock();
756 return err;
757 }
758
b8d476c8 759 if (layer2_update)
73651ee6
JB		 760 ieee80211_send_layer2_update(sta);
761
762 rcu_read_unlock();
763
4fd6931e
JB		 764 return 0;
765}
766
767static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
768 u8 *mac)
769{
14db74bc
JB		 770 struct ieee80211_local *local = wiphy_priv(wiphy);
771 struct ieee80211_sub_if_data *sdata;
4fd6931e 772
14db74bc
JB		 773 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
774
34e89507
JB		 775 if (mac)
776 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 777
34e89507 778 sta_info_flush(local, sdata);
4fd6931e
JB		 779 return 0;
780}
781
782static int ieee80211_change_station(struct wiphy *wiphy,
783 struct net_device *dev,
784 u8 *mac,
785 struct station_parameters *params)
786{
abe60632 787 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 788 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 789 struct sta_info *sta;
790 struct ieee80211_sub_if_data *vlansdata;
791
98dd6a57
JB		 792 rcu_read_lock();
793
0e5ded5a 794 sta = sta_info_get_bss(sdata, mac);
98dd6a57
JB		 795 if (!sta) {
796 rcu_read_unlock();
4fd6931e 797 return -ENOENT;
98dd6a57 798 }
4fd6931e 799
d0709a65 800 if (params->vlan && params->vlan != sta->sdata->dev) {
4fd6931e
JB		 801 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
802
05c914fe
JB		 803 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
804 vlansdata->vif.type != NL80211_IFTYPE_AP) {
98dd6a57 805 rcu_read_unlock();
4fd6931e 806 return -EINVAL;
98dd6a57 807 }
4fd6931e 808
9bc383de 809 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c
JB		 810 if (vlansdata->u.vlan.sta) {
811 rcu_read_unlock();
f14543ee 812 return -EBUSY;
3305443c 813 }
f14543ee
FF		 814
815 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
816 }
817
14db74bc 818 sta->sdata = vlansdata;
4fd6931e
JB		 819 ieee80211_send_layer2_update(sta);
820 }
821
822 sta_apply_parameters(local, sta, params);
823
98dd6a57
JB		 824 rcu_read_unlock();
825
4fd6931e
JB		 826 return 0;
827}
828
c5dd9c2b
LCC		 829#ifdef CONFIG_MAC80211_MESH
830static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
831 u8 *dst, u8 *next_hop)
832{
14db74bc 833 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 834 struct mesh_path *mpath;
835 struct sta_info *sta;
836 int err;
837
14db74bc
JB		 838 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
839
d0709a65 840 rcu_read_lock();
abe60632 841 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 842 if (!sta) {
843 rcu_read_unlock();
c5dd9c2b 844 return -ENOENT;
d0709a65 845 }
c5dd9c2b 846
f698d856 847 err = mesh_path_add(dst, sdata);
d0709a65
JB		 848 if (err) {
849 rcu_read_unlock();
c5dd9c2b 850 return err;
d0709a65 851 }
c5dd9c2b 852
f698d856 853 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 854 if (!mpath) {
855 rcu_read_unlock();
c5dd9c2b
LCC		 856 return -ENXIO;
857 }
858 mesh_path_fix_nexthop(mpath, sta);
d0709a65 859
c5dd9c2b
LCC		 860 rcu_read_unlock();
861 return 0;
862}
863
864static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
865 u8 *dst)
866{
f698d856
JBG		 867 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
868
c5dd9c2b 869 if (dst)
f698d856 870 return mesh_path_del(dst, sdata);
c5dd9c2b 871
f698d856 872 mesh_path_flush(sdata);
c5dd9c2b
LCC		 873 return 0;
874}
875
876static int ieee80211_change_mpath(struct wiphy *wiphy,
877 struct net_device *dev,
878 u8 *dst, u8 *next_hop)
879{
14db74bc 880 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 881 struct mesh_path *mpath;
882 struct sta_info *sta;
883
14db74bc
JB		 884 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
885
d0709a65
JB		 886 rcu_read_lock();
887
abe60632 888 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 889 if (!sta) {
890 rcu_read_unlock();
c5dd9c2b 891 return -ENOENT;
d0709a65 892 }
c5dd9c2b 893
f698d856 894 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 895 if (!mpath) {
896 rcu_read_unlock();
c5dd9c2b
LCC		 897 return -ENOENT;
898 }
899
900 mesh_path_fix_nexthop(mpath, sta);
d0709a65 901
c5dd9c2b
LCC		 902 rcu_read_unlock();
903 return 0;
904}
905
906static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
907 struct mpath_info *pinfo)
908{
909 if (mpath->next_hop)
17741cdc 910 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 911 else
912 memset(next_hop, 0, ETH_ALEN);
913
f5ea9120
JB		 914 pinfo->generation = mesh_paths_generation;
915
c5dd9c2b 916 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 917 MPATH_INFO_SN |
c5dd9c2b
LCC		 918 MPATH_INFO_METRIC |
919 MPATH_INFO_EXPTIME |
920 MPATH_INFO_DISCOVERY_TIMEOUT |
921 MPATH_INFO_DISCOVERY_RETRIES |
922 MPATH_INFO_FLAGS;
923
924 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 925 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 926 pinfo->metric = mpath->metric;
927 if (time_before(jiffies, mpath->exp_time))
928 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
929 pinfo->discovery_timeout =
930 jiffies_to_msecs(mpath->discovery_timeout);
931 pinfo->discovery_retries = mpath->discovery_retries;
932 pinfo->flags = 0;
933 if (mpath->flags & MESH_PATH_ACTIVE)
934 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
935 if (mpath->flags & MESH_PATH_RESOLVING)
936 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 937 if (mpath->flags & MESH_PATH_SN_VALID)
938 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 939 if (mpath->flags & MESH_PATH_FIXED)
940 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
941 if (mpath->flags & MESH_PATH_RESOLVING)
942 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
943
944 pinfo->flags = mpath->flags;
945}
946
947static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
948 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
949
950{
14db74bc 951 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 952 struct mesh_path *mpath;
953
14db74bc
JB		 954 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
955
c5dd9c2b 956 rcu_read_lock();
f698d856 957 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 958 if (!mpath) {
959 rcu_read_unlock();
960 return -ENOENT;
961 }
962 memcpy(dst, mpath->dst, ETH_ALEN);
963 mpath_set_pinfo(mpath, next_hop, pinfo);
964 rcu_read_unlock();
965 return 0;
966}
967
968static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
969 int idx, u8 *dst, u8 *next_hop,
970 struct mpath_info *pinfo)
971{
14db74bc 972 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 973 struct mesh_path *mpath;
974
14db74bc
JB		 975 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
976
c5dd9c2b 977 rcu_read_lock();
f698d856 978 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 979 if (!mpath) {
980 rcu_read_unlock();
981 return -ENOENT;
982 }
983 memcpy(dst, mpath->dst, ETH_ALEN);
984 mpath_set_pinfo(mpath, next_hop, pinfo);
985 rcu_read_unlock();
986 return 0;
987}
93da9cc1 988
989static int ieee80211_get_mesh_params(struct wiphy *wiphy,
990 struct net_device *dev,
991 struct mesh_config *conf)
992{
993 struct ieee80211_sub_if_data *sdata;
994 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
995
93da9cc1 996 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
997 return 0;
998}
999
1000static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1001{
1002 return (mask >> (parm-1)) & 0x1;
1003}
1004
1005static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1006 struct net_device *dev,
1007 const struct mesh_config *nconf, u32 mask)
1008{
1009 struct mesh_config *conf;
1010 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1011 struct ieee80211_if_mesh *ifmsh;
1012
93da9cc1 1013 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1014 ifmsh = &sdata->u.mesh;
93da9cc1 1015
93da9cc1 1016 /* Set the config options which we are interested in setting */
1017 conf = &(sdata->u.mesh.mshcfg);
1018 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1019 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1020 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1021 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1022 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1023 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1024 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1025 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1026 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1027 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1028 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1029 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1030 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1031 conf->auto_open_plinks = nconf->auto_open_plinks;
1032 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1033 conf->dot11MeshHWMPmaxPREQretries =
1034 nconf->dot11MeshHWMPmaxPREQretries;
1035 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1036 conf->path_refresh_time = nconf->path_refresh_time;
1037 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1038 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1039 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1040 conf->dot11MeshHWMPactivePathTimeout =
1041 nconf->dot11MeshHWMPactivePathTimeout;
1042 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1043 conf->dot11MeshHWMPpreqMinInterval =
1044 nconf->dot11MeshHWMPpreqMinInterval;
1045 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1046 mask))
1047 conf->dot11MeshHWMPnetDiameterTraversalTime =
1048 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1049 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1050 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1051 ieee80211_mesh_root_setup(ifmsh);
1052 }
93da9cc1 1053 return 0;
1054}
1055
c5dd9c2b
LCC		 1056#endif
1057
9f1ba906
JM		 1058static int ieee80211_change_bss(struct wiphy *wiphy,
1059 struct net_device *dev,
1060 struct bss_parameters *params)
1061{
9f1ba906
JM		 1062 struct ieee80211_sub_if_data *sdata;
1063 u32 changed = 0;
1064
9f1ba906
JM		 1065 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1066
9f1ba906 1067 if (params->use_cts_prot >= 0) {
bda3933a 1068 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1069 changed |= BSS_CHANGED_ERP_CTS_PROT;
1070 }
1071 if (params->use_short_preamble >= 0) {
bda3933a 1072 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1073 params->use_short_preamble;
1074 changed |= BSS_CHANGED_ERP_PREAMBLE;
1075 }
43d35343
FF		 1076
1077 if (!sdata->vif.bss_conf.use_short_slot &&
1078 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1079 sdata->vif.bss_conf.use_short_slot = true;
1080 changed |= BSS_CHANGED_ERP_SLOT;
1081 }
1082
9f1ba906 1083 if (params->use_short_slot_time >= 0) {
bda3933a 1084 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1085 params->use_short_slot_time;
1086 changed |= BSS_CHANGED_ERP_SLOT;
1087 }
1088
90c97a04
JM		 1089 if (params->basic_rates) {
1090 int i, j;
1091 u32 rates = 0;
1092 struct ieee80211_local *local = wiphy_priv(wiphy);
1093 struct ieee80211_supported_band *sband =
1094 wiphy->bands[local->oper_channel->band];
1095
1096 for (i = 0; i < params->basic_rates_len; i++) {
1097 int rate = (params->basic_rates[i] & 0x7f) * 5;
1098 for (j = 0; j < sband->n_bitrates; j++) {
1099 if (sband->bitrates[j].bitrate == rate)
1100 rates |= BIT(j);
1101 }
1102 }
1103 sdata->vif.bss_conf.basic_rates = rates;
1104 changed |= BSS_CHANGED_BASIC_RATES;
1105 }
1106
9f1ba906
JM		 1107 ieee80211_bss_info_change_notify(sdata, changed);
1108
1109 return 0;
1110}
1111
31888487
JM		 1112static int ieee80211_set_txq_params(struct wiphy *wiphy,
1113 struct ieee80211_txq_params *params)
1114{
1115 struct ieee80211_local *local = wiphy_priv(wiphy);
1116 struct ieee80211_tx_queue_params p;
1117
1118 if (!local->ops->conf_tx)
1119 return -EOPNOTSUPP;
1120
1121 memset(&p, 0, sizeof(p));
1122 p.aifs = params->aifs;
1123 p.cw_max = params->cwmax;
1124 p.cw_min = params->cwmin;
1125 p.txop = params->txop;
ab13315a
KV		 1126
1127 /*
1128 * Setting tx queue params disables u-apsd because it's only
1129 * called in master mode.
1130 */
1131 p.uapsd = false;
1132
24487981 1133 if (drv_conf_tx(local, params->queue, &p)) {
31888487 1134 printk(KERN_DEBUG "%s: failed to set TX queue "
0bffe40f
JB		 1135 "parameters for queue %d\n",
1136 wiphy_name(local->hw.wiphy), params->queue);
31888487
JM		 1137 return -EINVAL;
1138 }
1139
1140 return 0;
1141}
1142
72bdcf34
JM		 1143static int ieee80211_set_channel(struct wiphy *wiphy,
1144 struct ieee80211_channel *chan,
094d05dc 1145 enum nl80211_channel_type channel_type)
72bdcf34
JM		 1146{
1147 struct ieee80211_local *local = wiphy_priv(wiphy);
1148
1149 local->oper_channel = chan;
094d05dc 1150 local->oper_channel_type = channel_type;
72bdcf34
JM		 1151
1152 return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1153}
1154
665af4fc
BC		 1155#ifdef CONFIG_PM
1156static int ieee80211_suspend(struct wiphy *wiphy)
1157{
1158 return __ieee80211_suspend(wiphy_priv(wiphy));
1159}
1160
1161static int ieee80211_resume(struct wiphy *wiphy)
1162{
1163 return __ieee80211_resume(wiphy_priv(wiphy));
1164}
1165#else
1166#define ieee80211_suspend NULL
1167#define ieee80211_resume NULL
1168#endif
1169
2a519311
JB		 1170static int ieee80211_scan(struct wiphy *wiphy,
1171 struct net_device *dev,
1172 struct cfg80211_scan_request *req)
1173{
1174 struct ieee80211_sub_if_data *sdata;
1175
2a519311
JB		 1176 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1177
1178 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1179 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
357303e2
JM		 1180 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1181 (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
2a519311
JB		 1182 return -EOPNOTSUPP;
1183
1184 return ieee80211_request_scan(sdata, req);
1185}
1186
636a5d36
JM		 1187static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1188 struct cfg80211_auth_request *req)
1189{
77fdaa12 1190 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1191}
1192
1193static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1194 struct cfg80211_assoc_request *req)
1195{
77fdaa12 1196 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1197}
1198
1199static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
667503dd
JB		 1200 struct cfg80211_deauth_request *req,
1201 void *cookie)
636a5d36 1202{
667503dd
JB		 1203 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1204 req, cookie);
636a5d36
JM		 1205}
1206
1207static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
667503dd
JB		 1208 struct cfg80211_disassoc_request *req,
1209 void *cookie)
636a5d36 1210{
667503dd
JB		 1211 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1212 req, cookie);
636a5d36
JM		 1213}
1214
af8cdcd8
JB		 1215static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1216 struct cfg80211_ibss_params *params)
1217{
1218 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1219
1220 return ieee80211_ibss_join(sdata, params);
1221}
1222
1223static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1224{
1225 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1226
1227 return ieee80211_ibss_leave(sdata);
1228}
1229
b9a5f8ca
JM		 1230static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1231{
1232 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 1233 int err;
b9a5f8ca 1234
310bc676
LT		 1235 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1236 err = drv_set_coverage_class(local, wiphy->coverage_class);
1237
1238 if (err)
1239 return err;
1240 }
1241
b9a5f8ca 1242 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 1243 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 1244
24487981
JB		 1245 if (err)
1246 return err;
b9a5f8ca
JM		 1247 }
1248
1249 if (changed & WIPHY_PARAM_RETRY_SHORT)
1250 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1251 if (changed & WIPHY_PARAM_RETRY_LONG)
1252 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1253 if (changed &
1254 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1255 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1256
1257 return 0;
1258}
1259
7643a2c3
JB		 1260static int ieee80211_set_tx_power(struct wiphy *wiphy,
1261 enum tx_power_setting type, int dbm)
1262{
1263 struct ieee80211_local *local = wiphy_priv(wiphy);
1264 struct ieee80211_channel *chan = local->hw.conf.channel;
1265 u32 changes = 0;
7643a2c3
JB		 1266
1267 switch (type) {
1268 case TX_POWER_AUTOMATIC:
1269 local->user_power_level = -1;
1270 break;
1271 case TX_POWER_LIMITED:
1272 if (dbm < 0)
1273 return -EINVAL;
1274 local->user_power_level = dbm;
1275 break;
1276 case TX_POWER_FIXED:
1277 if (dbm < 0)
1278 return -EINVAL;
1279 /* TODO: move to cfg80211 when it knows the channel */
1280 if (dbm > chan->max_power)
1281 return -EINVAL;
1282 local->user_power_level = dbm;
1283 break;
7643a2c3
JB		 1284 }
1285
1286 ieee80211_hw_config(local, changes);
1287
1288 return 0;
1289}
1290
1291static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1292{
1293 struct ieee80211_local *local = wiphy_priv(wiphy);
1294
1295 *dbm = local->hw.conf.power_level;
1296
7643a2c3
JB		 1297 return 0;
1298}
1299
ab737a4f
JB		 1300static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1301 u8 *addr)
1302{
1303 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1304
1305 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1306
1307 return 0;
1308}
1309
1f87f7d3
JB		 1310static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1311{
1312 struct ieee80211_local *local = wiphy_priv(wiphy);
1313
1314 drv_rfkill_poll(local);
1315}
1316
aff89a9b 1317#ifdef CONFIG_NL80211_TESTMODE
99783e2c 1318static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 1319{
1320 struct ieee80211_local *local = wiphy_priv(wiphy);
1321
1322 if (!local->ops->testmode_cmd)
1323 return -EOPNOTSUPP;
1324
1325 return local->ops->testmode_cmd(&local->hw, data, len);
1326}
1327#endif
1328
0f78231b
JB		 1329int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1330 enum ieee80211_smps_mode smps_mode)
1331{
1332 const u8 *ap;
1333 enum ieee80211_smps_mode old_req;
1334 int err;
1335
1336 old_req = sdata->u.mgd.req_smps;
1337 sdata->u.mgd.req_smps = smps_mode;
1338
1339 if (old_req == smps_mode &&
1340 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1341 return 0;
1342
1343 /*
1344 * If not associated, or current association is not an HT
1345 * association, there's no need to send an action frame.
1346 */
1347 if (!sdata->u.mgd.associated ||
1348 sdata->local->oper_channel_type == NL80211_CHAN_NO_HT) {
1349 mutex_lock(&sdata->local->iflist_mtx);
1350 ieee80211_recalc_smps(sdata->local, sdata);
1351 mutex_unlock(&sdata->local->iflist_mtx);
1352 return 0;
1353 }
1354
0c1ad2ca 1355 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 1356
1357 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1358 if (sdata->u.mgd.powersave)
1359 smps_mode = IEEE80211_SMPS_DYNAMIC;
1360 else
1361 smps_mode = IEEE80211_SMPS_OFF;
1362 }
1363
1364 /* send SM PS frame to AP */
1365 err = ieee80211_send_smps_action(sdata, smps_mode,
1366 ap, ap);
1367 if (err)
1368 sdata->u.mgd.req_smps = old_req;
1369
1370 return err;
1371}
1372
bc92afd9
JB		 1373static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1374 bool enabled, int timeout)
1375{
1376 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1377 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1378 struct ieee80211_conf *conf = &local->hw.conf;
1379
e5de30c9
BP		 1380 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1381 return -EOPNOTSUPP;
1382
bc92afd9
JB		 1383 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1384 return -EOPNOTSUPP;
1385
1386 if (enabled == sdata->u.mgd.powersave &&
1387 timeout == conf->dynamic_ps_timeout)
1388 return 0;
1389
1390 sdata->u.mgd.powersave = enabled;
1391 conf->dynamic_ps_timeout = timeout;
1392
0f78231b
JB		 1393 /* no change, but if automatic follow powersave */
1394 mutex_lock(&sdata->u.mgd.mtx);
1395 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1396 mutex_unlock(&sdata->u.mgd.mtx);
1397
bc92afd9
JB		 1398 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1399 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1400
1401 ieee80211_recalc_ps(local, -1);
1402
1403 return 0;
1404}
1405
9930380f
JB		 1406static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1407 struct net_device *dev,
1408 const u8 *addr,
1409 const struct cfg80211_bitrate_mask *mask)
1410{
1411 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1412 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2c7e6bc9 1413 int i;
9930380f 1414
2c7e6bc9
JB		 1415 /*
1416 * This _could_ be supported by providing a hook for
1417 * drivers for this function, but at this point it
1418 * doesn't seem worth bothering.
1419 */
1420 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
1421 return -EOPNOTSUPP;
1422
9930380f 1423
37eb0b16
JM		 1424 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1425 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
9930380f 1426
37eb0b16 1427 return 0;
9930380f
JB		 1428}
1429
b8bc4b0a
JB		 1430static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1431 struct net_device *dev,
1432 struct ieee80211_channel *chan,
1433 enum nl80211_channel_type channel_type,
1434 unsigned int duration,
1435 u64 *cookie)
1436{
1437 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1438
1439 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1440 duration, cookie);
1441}
1442
1443static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1444 struct net_device *dev,
1445 u64 cookie)
1446{
1447 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1448
1449 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1450}
1451
026331c4
JM		 1452static int ieee80211_action(struct wiphy *wiphy, struct net_device *dev,
1453 struct ieee80211_channel *chan,
1454 enum nl80211_channel_type channel_type,
1455 const u8 *buf, size_t len, u64 *cookie)
1456{
1457 return ieee80211_mgd_action(IEEE80211_DEV_TO_SUB_IF(dev), chan,
1458 channel_type, buf, len, cookie);
1459}
1460
f0706e82
JB		 1461struct cfg80211_ops mac80211_config_ops = {
1462 .add_virtual_intf = ieee80211_add_iface,
1463 .del_virtual_intf = ieee80211_del_iface,
42613db7 1464 .change_virtual_intf = ieee80211_change_iface,
e8cbb4cb
JB		 1465 .add_key = ieee80211_add_key,
1466 .del_key = ieee80211_del_key,
62da92fb 1467 .get_key = ieee80211_get_key,
e8cbb4cb 1468 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 1469 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
5dfdaf58
JB		 1470 .add_beacon = ieee80211_add_beacon,
1471 .set_beacon = ieee80211_set_beacon,
1472 .del_beacon = ieee80211_del_beacon,
4fd6931e
JB		 1473 .add_station = ieee80211_add_station,
1474 .del_station = ieee80211_del_station,
1475 .change_station = ieee80211_change_station,
7bbdd2d9 1476 .get_station = ieee80211_get_station,
c5dd9c2b
LCC		 1477 .dump_station = ieee80211_dump_station,
1478#ifdef CONFIG_MAC80211_MESH
1479 .add_mpath = ieee80211_add_mpath,
1480 .del_mpath = ieee80211_del_mpath,
1481 .change_mpath = ieee80211_change_mpath,
1482 .get_mpath = ieee80211_get_mpath,
1483 .dump_mpath = ieee80211_dump_mpath,
93da9cc1 1484 .set_mesh_params = ieee80211_set_mesh_params,
1485 .get_mesh_params = ieee80211_get_mesh_params,
c5dd9c2b 1486#endif
9f1ba906 1487 .change_bss = ieee80211_change_bss,
31888487 1488 .set_txq_params = ieee80211_set_txq_params,
72bdcf34 1489 .set_channel = ieee80211_set_channel,
665af4fc
BC		 1490 .suspend = ieee80211_suspend,
1491 .resume = ieee80211_resume,
2a519311 1492 .scan = ieee80211_scan,
636a5d36
JM		 1493 .auth = ieee80211_auth,
1494 .assoc = ieee80211_assoc,
1495 .deauth = ieee80211_deauth,
1496 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 1497 .join_ibss = ieee80211_join_ibss,
1498 .leave_ibss = ieee80211_leave_ibss,
b9a5f8ca 1499 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 1500 .set_tx_power = ieee80211_set_tx_power,
1501 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 1502 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 1503 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 1504 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
bc92afd9 1505 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 1506 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 1507 .remain_on_channel = ieee80211_remain_on_channel,
1508 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
026331c4 1509 .action = ieee80211_action,
f0706e82 1510};
Linux 6.x block layer and io_uring tree(s)