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rtl8187: remove priv->mode
[linux-2.6-block.git] / net / mac80211 / cfg.c
CommitLineData
f0706e82
JB		 1/*
2 * mac80211 configuration hooks for cfg80211
3 *
62da92fb 4 * Copyright 2006, 2007 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>
881d966b 12#include <net/net_namespace.h>
5dfdaf58 13#include <linux/rcupdate.h>
f0706e82
JB		 14#include <net/cfg80211.h>
15#include "ieee80211_i.h"
24487981 16#include "driver-ops.h"
e0eb6859 17#include "cfg.h"
2c8dccc7 18#include "rate.h"
c5dd9c2b 19#include "mesh.h"
c5dd9c2b 20
05c914fe 21static bool nl80211_type_check(enum nl80211_iftype type)
42613db7
JB		 22{
23 switch (type) {
42613db7 24 case NL80211_IFTYPE_ADHOC:
42613db7 25 case NL80211_IFTYPE_STATION:
42613db7 26 case NL80211_IFTYPE_MONITOR:
c5dd9c2b
LCC		 27#ifdef CONFIG_MAC80211_MESH
28 case NL80211_IFTYPE_MESH_POINT:
c5dd9c2b 29#endif
fbf18927
JM		 30 case NL80211_IFTYPE_AP:
31 case NL80211_IFTYPE_AP_VLAN:
b454048c 32 case NL80211_IFTYPE_WDS:
05c914fe 33 return true;
42613db7 34 default:
05c914fe 35 return false;
42613db7
JB		 36 }
37}
38
f14543ee
FF		 39static bool nl80211_params_check(enum nl80211_iftype type,
40 struct vif_params *params)
41{
42 if (!nl80211_type_check(type))
43 return false;
44
f14543ee
FF		 45 return true;
46}
47
f0706e82 48static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
2ec600d6
LCC		 49 enum nl80211_iftype type, u32 *flags,
50 struct vif_params *params)
f0706e82
JB		 51{
52 struct ieee80211_local *local = wiphy_priv(wiphy);
8cc9a739
MW		 53 struct net_device *dev;
54 struct ieee80211_sub_if_data *sdata;
55 int err;
f0706e82 56
f14543ee 57 if (!nl80211_params_check(type, params))
f0706e82 58 return -EINVAL;
f0706e82 59
05c914fe
JB		 60 err = ieee80211_if_add(local, name, &dev, type, params);
61 if (err || type != NL80211_IFTYPE_MONITOR || !flags)
8cc9a739
MW		 62 return err;
63
64 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
65 sdata->u.mntr_flags = *flags;
66 return 0;
f0706e82
JB		 67}
68
463d0183 69static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
f0706e82 70{
463d0183 71 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
f0706e82 72
75636525 73 return 0;
f0706e82
JB		 74}
75
e36d56b6
JB		 76static int ieee80211_change_iface(struct wiphy *wiphy,
77 struct net_device *dev,
2ec600d6
LCC		 78 enum nl80211_iftype type, u32 *flags,
79 struct vif_params *params)
42613db7 80{
42613db7 81 struct ieee80211_sub_if_data *sdata;
f3947e2d 82 int ret;
42613db7 83
c1f9a764
JB		 84 if (netif_running(dev))
85 return -EBUSY;
86
f14543ee 87 if (!nl80211_params_check(type, params))
42613db7
JB		 88 return -EINVAL;
89
90 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
91
05c914fe 92 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 93 if (ret)
94 return ret;
42613db7 95
902acc78 96 if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
472dbc45
JB		 97 ieee80211_sdata_set_mesh_id(sdata,
98 params->mesh_id_len,
99 params->mesh_id);
c5dd9c2b 100
05c914fe 101 if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
8cc9a739
MW		 102 return 0;
103
9bc383de
JB		 104 if (type == NL80211_IFTYPE_AP_VLAN &&
105 params && params->use_4addr == 0)
106 rcu_assign_pointer(sdata->u.vlan.sta, NULL);
107 else if (type == NL80211_IFTYPE_STATION &&
108 params && params->use_4addr >= 0)
109 sdata->u.mgd.use_4addr = params->use_4addr;
110
8cc9a739 111 sdata->u.mntr_flags = *flags;
42613db7
JB		 112 return 0;
113}
114
e8cbb4cb 115static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
4e943900 116 u8 key_idx, const u8 *mac_addr,
e8cbb4cb
JB		 117 struct key_params *params)
118{
119 struct ieee80211_sub_if_data *sdata;
120 struct sta_info *sta = NULL;
121 enum ieee80211_key_alg alg;
db4d1169 122 struct ieee80211_key *key;
3b96766f 123 int err;
e8cbb4cb
JB		 124
125 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
126
127 switch (params->cipher) {
128 case WLAN_CIPHER_SUITE_WEP40:
129 case WLAN_CIPHER_SUITE_WEP104:
130 alg = ALG_WEP;
131 break;
132 case WLAN_CIPHER_SUITE_TKIP:
133 alg = ALG_TKIP;
134 break;
135 case WLAN_CIPHER_SUITE_CCMP:
136 alg = ALG_CCMP;
137 break;
3cfcf6ac
JM		 138 case WLAN_CIPHER_SUITE_AES_CMAC:
139 alg = ALG_AES_CMAC;
140 break;
e8cbb4cb
JB		 141 default:
142 return -EINVAL;
143 }
144
faa8fdc8
JM		 145 key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
146 params->seq_len, params->seq);
db4d1169
JB		 147 if (!key)
148 return -ENOMEM;
149
3b96766f
JB		 150 rcu_read_lock();
151
e8cbb4cb 152 if (mac_addr) {
abe60632 153 sta = sta_info_get(sdata, mac_addr);
db4d1169
JB		 154 if (!sta) {
155 ieee80211_key_free(key);
3b96766f
JB		 156 err = -ENOENT;
157 goto out_unlock;
db4d1169 158 }
e8cbb4cb
JB		 159 }
160
db4d1169
JB		 161 ieee80211_key_link(key, sdata, sta);
162
3b96766f
JB		 163 err = 0;
164 out_unlock:
165 rcu_read_unlock();
166
167 return err;
e8cbb4cb
JB		 168}
169
170static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
4e943900 171 u8 key_idx, const u8 *mac_addr)
e8cbb4cb
JB		 172{
173 struct ieee80211_sub_if_data *sdata;
174 struct sta_info *sta;
175 int ret;
176
177 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
178
3b96766f
JB		 179 rcu_read_lock();
180
e8cbb4cb 181 if (mac_addr) {
3b96766f
JB		 182 ret = -ENOENT;
183
abe60632 184 sta = sta_info_get(sdata, mac_addr);
e8cbb4cb 185 if (!sta)
3b96766f 186 goto out_unlock;
e8cbb4cb 187
db4d1169 188 if (sta->key) {
d0709a65 189 ieee80211_key_free(sta->key);
db4d1169 190 WARN_ON(sta->key);
3b96766f
JB		 191 ret = 0;
192 }
e8cbb4cb 193
3b96766f 194 goto out_unlock;
e8cbb4cb
JB		 195 }
196
3b96766f
JB		 197 if (!sdata->keys[key_idx]) {
198 ret = -ENOENT;
199 goto out_unlock;
200 }
e8cbb4cb 201
d0709a65 202 ieee80211_key_free(sdata->keys[key_idx]);
db4d1169 203 WARN_ON(sdata->keys[key_idx]);
e8cbb4cb 204
3b96766f
JB		 205 ret = 0;
206 out_unlock:
207 rcu_read_unlock();
208
209 return ret;
e8cbb4cb
JB		 210}
211
62da92fb 212static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
4e943900 213 u8 key_idx, const u8 *mac_addr, void *cookie,
62da92fb
JB		 214 void (*callback)(void *cookie,
215 struct key_params *params))
216{
14db74bc 217 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 218 struct sta_info *sta = NULL;
219 u8 seq[6] = {0};
220 struct key_params params;
221 struct ieee80211_key *key;
222 u32 iv32;
223 u16 iv16;
224 int err = -ENOENT;
225
14db74bc
JB		 226 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
227
3b96766f
JB		 228 rcu_read_lock();
229
62da92fb 230 if (mac_addr) {
abe60632 231 sta = sta_info_get(sdata, mac_addr);
62da92fb
JB		 232 if (!sta)
233 goto out;
234
235 key = sta->key;
236 } else
237 key = sdata->keys[key_idx];
238
239 if (!key)
240 goto out;
241
242 memset(&params, 0, sizeof(params));
243
244 switch (key->conf.alg) {
245 case ALG_TKIP:
246 params.cipher = WLAN_CIPHER_SUITE_TKIP;
247
b0f76b33
HH		 248 iv32 = key->u.tkip.tx.iv32;
249 iv16 = key->u.tkip.tx.iv16;
62da92fb 250
24487981
JB		 251 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
252 drv_get_tkip_seq(sdata->local,
253 key->conf.hw_key_idx,
254 &iv32, &iv16);
62da92fb
JB		 255
256 seq[0] = iv16 & 0xff;
257 seq[1] = (iv16 >> 8) & 0xff;
258 seq[2] = iv32 & 0xff;
259 seq[3] = (iv32 >> 8) & 0xff;
260 seq[4] = (iv32 >> 16) & 0xff;
261 seq[5] = (iv32 >> 24) & 0xff;
262 params.seq = seq;
263 params.seq_len = 6;
264 break;
265 case ALG_CCMP:
266 params.cipher = WLAN_CIPHER_SUITE_CCMP;
267 seq[0] = key->u.ccmp.tx_pn[5];
268 seq[1] = key->u.ccmp.tx_pn[4];
269 seq[2] = key->u.ccmp.tx_pn[3];
270 seq[3] = key->u.ccmp.tx_pn[2];
271 seq[4] = key->u.ccmp.tx_pn[1];
272 seq[5] = key->u.ccmp.tx_pn[0];
273 params.seq = seq;
274 params.seq_len = 6;
275 break;
276 case ALG_WEP:
277 if (key->conf.keylen == 5)
278 params.cipher = WLAN_CIPHER_SUITE_WEP40;
279 else
280 params.cipher = WLAN_CIPHER_SUITE_WEP104;
281 break;
3cfcf6ac
JM		 282 case ALG_AES_CMAC:
283 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
284 seq[0] = key->u.aes_cmac.tx_pn[5];
285 seq[1] = key->u.aes_cmac.tx_pn[4];
286 seq[2] = key->u.aes_cmac.tx_pn[3];
287 seq[3] = key->u.aes_cmac.tx_pn[2];
288 seq[4] = key->u.aes_cmac.tx_pn[1];
289 seq[5] = key->u.aes_cmac.tx_pn[0];
290 params.seq = seq;
291 params.seq_len = 6;
292 break;
62da92fb
JB		 293 }
294
295 params.key = key->conf.key;
296 params.key_len = key->conf.keylen;
297
298 callback(cookie, &params);
299 err = 0;
300
301 out:
3b96766f 302 rcu_read_unlock();
62da92fb
JB		 303 return err;
304}
305
e8cbb4cb
JB		 306static int ieee80211_config_default_key(struct wiphy *wiphy,
307 struct net_device *dev,
308 u8 key_idx)
309{
310 struct ieee80211_sub_if_data *sdata;
311
3b96766f
JB		 312 rcu_read_lock();
313
e8cbb4cb
JB		 314 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
315 ieee80211_set_default_key(sdata, key_idx);
316
3b96766f
JB		 317 rcu_read_unlock();
318
e8cbb4cb
JB		 319 return 0;
320}
321
3cfcf6ac
JM		 322static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
323 struct net_device *dev,
324 u8 key_idx)
325{
326 struct ieee80211_sub_if_data *sdata;
327
328 rcu_read_lock();
329
330 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
331 ieee80211_set_default_mgmt_key(sdata, key_idx);
332
333 rcu_read_unlock();
334
335 return 0;
336}
337
c5dd9c2b
LCC		 338static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
339{
d0709a65 340 struct ieee80211_sub_if_data *sdata = sta->sdata;
c5dd9c2b 341
f5ea9120
JB		 342 sinfo->generation = sdata->local->sta_generation;
343
c5dd9c2b
LCC		 344 sinfo->filled = STATION_INFO_INACTIVE_TIME |
345 STATION_INFO_RX_BYTES |
420e7fab 346 STATION_INFO_TX_BYTES |
98c8a60a
JM		 347 STATION_INFO_RX_PACKETS |
348 STATION_INFO_TX_PACKETS |
420e7fab 349 STATION_INFO_TX_BITRATE;
c5dd9c2b
LCC		 350
351 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
352 sinfo->rx_bytes = sta->rx_bytes;
353 sinfo->tx_bytes = sta->tx_bytes;
98c8a60a
JM		 354 sinfo->rx_packets = sta->rx_packets;
355 sinfo->tx_packets = sta->tx_packets;
c5dd9c2b 356
19deffbe
JL		 357 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
358 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
420e7fab
HR		 359 sinfo->filled |= STATION_INFO_SIGNAL;
360 sinfo->signal = (s8)sta->last_signal;
361 }
362
363 sinfo->txrate.flags = 0;
364 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
365 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
366 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
367 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
368 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
369 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
370
371 if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
372 struct ieee80211_supported_band *sband;
373 sband = sta->local->hw.wiphy->bands[
374 sta->local->hw.conf.channel->band];
375 sinfo->txrate.legacy =
376 sband->bitrates[sta->last_tx_rate.idx].bitrate;
377 } else
378 sinfo->txrate.mcs = sta->last_tx_rate.idx;
379
902acc78 380 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 381#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 382 sinfo->filled |= STATION_INFO_LLID |
383 STATION_INFO_PLID |
384 STATION_INFO_PLINK_STATE;
385
386 sinfo->llid = le16_to_cpu(sta->llid);
387 sinfo->plid = le16_to_cpu(sta->plid);
388 sinfo->plink_state = sta->plink_state;
c5dd9c2b 389#endif
902acc78 390 }
c5dd9c2b
LCC		 391}
392
393
394static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
395 int idx, u8 *mac, struct station_info *sinfo)
396{
3b53fde8 397 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
c5dd9c2b 398 struct sta_info *sta;
d0709a65
JB		 399 int ret = -ENOENT;
400
401 rcu_read_lock();
c5dd9c2b 402
3b53fde8 403 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 404 if (sta) {
405 ret = 0;
17741cdc 406 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 407 sta_set_sinfo(sta, sinfo);
408 }
c5dd9c2b 409
d0709a65 410 rcu_read_unlock();
c5dd9c2b 411
d0709a65 412 return ret;
c5dd9c2b
LCC		 413}
414
7bbdd2d9 415static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 416 u8 *mac, struct station_info *sinfo)
7bbdd2d9 417{
abe60632 418 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
7bbdd2d9 419 struct sta_info *sta;
d0709a65 420 int ret = -ENOENT;
7bbdd2d9 421
d0709a65 422 rcu_read_lock();
7bbdd2d9 423
abe60632 424 sta = sta_info_get(sdata, mac);
d0709a65
JB		 425 if (sta) {
426 ret = 0;
427 sta_set_sinfo(sta, sinfo);
428 }
429
430 rcu_read_unlock();
431
432 return ret;
7bbdd2d9
JB		 433}
434
5dfdaf58
JB		 435/*
436 * This handles both adding a beacon and setting new beacon info
437 */
438static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
439 struct beacon_parameters *params)
440{
441 struct beacon_data *new, *old;
442 int new_head_len, new_tail_len;
443 int size;
444 int err = -EINVAL;
445
446 old = sdata->u.ap.beacon;
447
448 /* head must not be zero-length */
449 if (params->head && !params->head_len)
450 return -EINVAL;
451
452 /*
453 * This is a kludge. beacon interval should really be part
454 * of the beacon information.
455 */
57c4d7b4
JB		 456 if (params->interval &&
457 (sdata->vif.bss_conf.beacon_int != params->interval)) {
458 sdata->vif.bss_conf.beacon_int = params->interval;
459 ieee80211_bss_info_change_notify(sdata,
460 BSS_CHANGED_BEACON_INT);
5dfdaf58
JB		 461 }
462
463 /* Need to have a beacon head if we don't have one yet */
464 if (!params->head && !old)
465 return err;
466
467 /* sorry, no way to start beaconing without dtim period */
468 if (!params->dtim_period && !old)
469 return err;
470
471 /* new or old head? */
472 if (params->head)
473 new_head_len = params->head_len;
474 else
475 new_head_len = old->head_len;
476
477 /* new or old tail? */
478 if (params->tail || !old)
479 /* params->tail_len will be zero for !params->tail */
480 new_tail_len = params->tail_len;
481 else
482 new_tail_len = old->tail_len;
483
484 size = sizeof(*new) + new_head_len + new_tail_len;
485
486 new = kzalloc(size, GFP_KERNEL);
487 if (!new)
488 return -ENOMEM;
489
490 /* start filling the new info now */
491
492 /* new or old dtim period? */
493 if (params->dtim_period)
494 new->dtim_period = params->dtim_period;
495 else
496 new->dtim_period = old->dtim_period;
497
498 /*
499 * pointers go into the block we allocated,
500 * memory is | beacon_data | head | tail |
501 */
502 new->head = ((u8 *) new) + sizeof(*new);
503 new->tail = new->head + new_head_len;
504 new->head_len = new_head_len;
505 new->tail_len = new_tail_len;
506
507 /* copy in head */
508 if (params->head)
509 memcpy(new->head, params->head, new_head_len);
510 else
511 memcpy(new->head, old->head, new_head_len);
512
513 /* copy in optional tail */
514 if (params->tail)
515 memcpy(new->tail, params->tail, new_tail_len);
516 else
517 if (old)
518 memcpy(new->tail, old->tail, new_tail_len);
519
520 rcu_assign_pointer(sdata->u.ap.beacon, new);
521
522 synchronize_rcu();
523
524 kfree(old);
525
2d0ddec5
JB		 526 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
527 BSS_CHANGED_BEACON);
528 return 0;
5dfdaf58
JB		 529}
530
531static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
532 struct beacon_parameters *params)
533{
14db74bc 534 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 535 struct beacon_data *old;
536
14db74bc
JB		 537 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
538
5dfdaf58
JB		 539 old = sdata->u.ap.beacon;
540
541 if (old)
542 return -EALREADY;
543
544 return ieee80211_config_beacon(sdata, params);
545}
546
547static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
548 struct beacon_parameters *params)
549{
14db74bc 550 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 551 struct beacon_data *old;
552
14db74bc
JB		 553 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
554
5dfdaf58
JB		 555 old = sdata->u.ap.beacon;
556
557 if (!old)
558 return -ENOENT;
559
560 return ieee80211_config_beacon(sdata, params);
561}
562
563static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
564{
14db74bc 565 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 566 struct beacon_data *old;
567
14db74bc
JB		 568 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
569
5dfdaf58
JB		 570 old = sdata->u.ap.beacon;
571
572 if (!old)
573 return -ENOENT;
574
575 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
576 synchronize_rcu();
577 kfree(old);
578
2d0ddec5
JB		 579 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
580 return 0;
5dfdaf58
JB		 581}
582
4fd6931e
JB		 583/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
584struct iapp_layer2_update {
585 u8 da[ETH_ALEN]; /* broadcast */
586 u8 sa[ETH_ALEN]; /* STA addr */
587 __be16 len; /* 6 */
588 u8 dsap; /* 0 */
589 u8 ssap; /* 0 */
590 u8 control;
591 u8 xid_info[3];
592} __attribute__ ((packed));
593
594static void ieee80211_send_layer2_update(struct sta_info *sta)
595{
596 struct iapp_layer2_update *msg;
597 struct sk_buff *skb;
598
599 /* Send Level 2 Update Frame to update forwarding tables in layer 2
600 * bridge devices */
601
602 skb = dev_alloc_skb(sizeof(*msg));
603 if (!skb)
604 return;
605 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
606
607 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
608 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
609
610 memset(msg->da, 0xff, ETH_ALEN);
17741cdc 611 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 612 msg->len = htons(6);
613 msg->dsap = 0;
614 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
615 msg->control = 0xaf; /* XID response lsb.1111F101.
616 * F=0 (no poll command; unsolicited frame) */
617 msg->xid_info[0] = 0x81; /* XID format identifier */
618 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
619 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
620
d0709a65
JB		 621 skb->dev = sta->sdata->dev;
622 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e
JB		 623 memset(skb->cb, 0, sizeof(skb->cb));
624 netif_rx(skb);
625}
626
627static void sta_apply_parameters(struct ieee80211_local *local,
628 struct sta_info *sta,
629 struct station_parameters *params)
630{
631 u32 rates;
632 int i, j;
8318d78a 633 struct ieee80211_supported_band *sband;
d0709a65 634 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 635 u32 mask, set;
4fd6931e 636
ae5eb026
JB		 637 sband = local->hw.wiphy->bands[local->oper_channel->band];
638
eccb8e8f
JB		 639 spin_lock_bh(&sta->lock);
640 mask = params->sta_flags_mask;
641 set = params->sta_flags_set;
73651ee6 642
eccb8e8f 643 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
4fd6931e 644 sta->flags &= ~WLAN_STA_AUTHORIZED;
eccb8e8f 645 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
4fd6931e 646 sta->flags |= WLAN_STA_AUTHORIZED;
eccb8e8f 647 }
4fd6931e 648
eccb8e8f 649 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
4fd6931e 650 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
eccb8e8f 651 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
4fd6931e 652 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
eccb8e8f 653 }
4fd6931e 654
eccb8e8f 655 if (mask & BIT(NL80211_STA_FLAG_WME)) {
4fd6931e 656 sta->flags &= ~WLAN_STA_WME;
eccb8e8f 657 if (set & BIT(NL80211_STA_FLAG_WME))
4fd6931e 658 sta->flags |= WLAN_STA_WME;
eccb8e8f 659 }
5394af4d 660
eccb8e8f 661 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
5394af4d 662 sta->flags &= ~WLAN_STA_MFP;
eccb8e8f 663 if (set & BIT(NL80211_STA_FLAG_MFP))
5394af4d 664 sta->flags |= WLAN_STA_MFP;
4fd6931e 665 }
eccb8e8f 666 spin_unlock_bh(&sta->lock);
4fd6931e 667
51b50fbe
JB		 668 /*
669 * cfg80211 validates this (1-2007) and allows setting the AID
670 * only when creating a new station entry
671 */
672 if (params->aid)
673 sta->sta.aid = params->aid;
674
73651ee6
JB		 675 /*
676 * FIXME: updating the following information is racy when this
677 * function is called from ieee80211_change_station().
678 * However, all this information should be static so
679 * maybe we should just reject attemps to change it.
680 */
681
4fd6931e
JB		 682 if (params->listen_interval >= 0)
683 sta->listen_interval = params->listen_interval;
684
685 if (params->supported_rates) {
686 rates = 0;
8318d78a 687
4fd6931e
JB		 688 for (i = 0; i < params->supported_rates_len; i++) {
689 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 690 for (j = 0; j < sband->n_bitrates; j++) {
691 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 692 rates |= BIT(j);
693 }
694 }
323ce79a 695 sta->sta.supp_rates[local->oper_channel->band] = rates;
4fd6931e 696 }
c5dd9c2b 697
d9fe60de 698 if (params->ht_capa)
ae5eb026
JB		 699 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
700 params->ht_capa,
d9fe60de 701 &sta->sta.ht_cap);
36aedc90 702
902acc78 703 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
c5dd9c2b
LCC		 704 switch (params->plink_action) {
705 case PLINK_ACTION_OPEN:
706 mesh_plink_open(sta);
707 break;
708 case PLINK_ACTION_BLOCK:
709 mesh_plink_block(sta);
710 break;
711 }
902acc78 712 }
4fd6931e
JB		 713}
714
715static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
716 u8 *mac, struct station_parameters *params)
717{
14db74bc 718 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 719 struct sta_info *sta;
720 struct ieee80211_sub_if_data *sdata;
73651ee6 721 int err;
b8d476c8 722 int layer2_update;
4fd6931e 723
4fd6931e
JB		 724 if (params->vlan) {
725 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
726
05c914fe
JB		 727 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
728 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 729 return -EINVAL;
730 } else
731 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
732
47846c9b 733 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
03e4497e
JB		 734 return -EINVAL;
735
736 if (is_multicast_ether_addr(mac))
737 return -EINVAL;
738
739 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 740 if (!sta)
741 return -ENOMEM;
4fd6931e
JB		 742
743 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
744
745 sta_apply_parameters(local, sta, params);
746
4b7679a5 747 rate_control_rate_init(sta);
4fd6931e 748
b8d476c8
JM		 749 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
750 sdata->vif.type == NL80211_IFTYPE_AP;
751
73651ee6
JB		 752 rcu_read_lock();
753
754 err = sta_info_insert(sta);
755 if (err) {
73651ee6
JB		 756 rcu_read_unlock();
757 return err;
758 }
759
b8d476c8 760 if (layer2_update)
73651ee6
JB		 761 ieee80211_send_layer2_update(sta);
762
763 rcu_read_unlock();
764
4fd6931e
JB		 765 return 0;
766}
767
768static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
769 u8 *mac)
770{
14db74bc
JB		 771 struct ieee80211_local *local = wiphy_priv(wiphy);
772 struct ieee80211_sub_if_data *sdata;
4fd6931e
JB		 773 struct sta_info *sta;
774
14db74bc
JB		 775 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
776
4fd6931e 777 if (mac) {
98dd6a57
JB		 778 rcu_read_lock();
779
abe60632 780 sta = sta_info_get(sdata, mac);
98dd6a57
JB		 781 if (!sta) {
782 rcu_read_unlock();
4fd6931e 783 return -ENOENT;
98dd6a57 784 }
4fd6931e 785
d0709a65 786 sta_info_unlink(&sta);
98dd6a57
JB		 787 rcu_read_unlock();
788
4f6fab47 789 sta_info_destroy(sta);
4fd6931e 790 } else
d0709a65 791 sta_info_flush(local, sdata);
4fd6931e
JB		 792
793 return 0;
794}
795
796static int ieee80211_change_station(struct wiphy *wiphy,
797 struct net_device *dev,
798 u8 *mac,
799 struct station_parameters *params)
800{
abe60632 801 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 802 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 803 struct sta_info *sta;
804 struct ieee80211_sub_if_data *vlansdata;
805
98dd6a57
JB		 806 rcu_read_lock();
807
abe60632 808 sta = sta_info_get(sdata, mac);
98dd6a57
JB		 809 if (!sta) {
810 rcu_read_unlock();
4fd6931e 811 return -ENOENT;
98dd6a57 812 }
4fd6931e 813
d0709a65 814 if (params->vlan && params->vlan != sta->sdata->dev) {
4fd6931e
JB		 815 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
816
05c914fe
JB		 817 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
818 vlansdata->vif.type != NL80211_IFTYPE_AP) {
98dd6a57 819 rcu_read_unlock();
4fd6931e 820 return -EINVAL;
98dd6a57 821 }
4fd6931e 822
9bc383de 823 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c
JB		 824 if (vlansdata->u.vlan.sta) {
825 rcu_read_unlock();
f14543ee 826 return -EBUSY;
3305443c 827 }
f14543ee
FF		 828
829 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
830 }
831
14db74bc 832 sta->sdata = vlansdata;
4fd6931e
JB		 833 ieee80211_send_layer2_update(sta);
834 }
835
836 sta_apply_parameters(local, sta, params);
837
98dd6a57
JB		 838 rcu_read_unlock();
839
4fd6931e
JB		 840 return 0;
841}
842
c5dd9c2b
LCC		 843#ifdef CONFIG_MAC80211_MESH
844static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
845 u8 *dst, u8 *next_hop)
846{
14db74bc 847 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 848 struct mesh_path *mpath;
849 struct sta_info *sta;
850 int err;
851
14db74bc
JB		 852 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
853
d0709a65 854 rcu_read_lock();
abe60632 855 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 856 if (!sta) {
857 rcu_read_unlock();
c5dd9c2b 858 return -ENOENT;
d0709a65 859 }
c5dd9c2b 860
f698d856 861 err = mesh_path_add(dst, sdata);
d0709a65
JB		 862 if (err) {
863 rcu_read_unlock();
c5dd9c2b 864 return err;
d0709a65 865 }
c5dd9c2b 866
f698d856 867 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 868 if (!mpath) {
869 rcu_read_unlock();
c5dd9c2b
LCC		 870 return -ENXIO;
871 }
872 mesh_path_fix_nexthop(mpath, sta);
d0709a65 873
c5dd9c2b
LCC		 874 rcu_read_unlock();
875 return 0;
876}
877
878static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
879 u8 *dst)
880{
f698d856
JBG		 881 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
882
c5dd9c2b 883 if (dst)
f698d856 884 return mesh_path_del(dst, sdata);
c5dd9c2b 885
f698d856 886 mesh_path_flush(sdata);
c5dd9c2b
LCC		 887 return 0;
888}
889
890static int ieee80211_change_mpath(struct wiphy *wiphy,
891 struct net_device *dev,
892 u8 *dst, u8 *next_hop)
893{
14db74bc 894 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 895 struct mesh_path *mpath;
896 struct sta_info *sta;
897
14db74bc
JB		 898 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
899
d0709a65
JB		 900 rcu_read_lock();
901
abe60632 902 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 903 if (!sta) {
904 rcu_read_unlock();
c5dd9c2b 905 return -ENOENT;
d0709a65 906 }
c5dd9c2b 907
f698d856 908 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 909 if (!mpath) {
910 rcu_read_unlock();
c5dd9c2b
LCC		 911 return -ENOENT;
912 }
913
914 mesh_path_fix_nexthop(mpath, sta);
d0709a65 915
c5dd9c2b
LCC		 916 rcu_read_unlock();
917 return 0;
918}
919
920static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
921 struct mpath_info *pinfo)
922{
923 if (mpath->next_hop)
17741cdc 924 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 925 else
926 memset(next_hop, 0, ETH_ALEN);
927
f5ea9120
JB		 928 pinfo->generation = mesh_paths_generation;
929
c5dd9c2b 930 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 931 MPATH_INFO_SN |
c5dd9c2b
LCC		 932 MPATH_INFO_METRIC |
933 MPATH_INFO_EXPTIME |
934 MPATH_INFO_DISCOVERY_TIMEOUT |
935 MPATH_INFO_DISCOVERY_RETRIES |
936 MPATH_INFO_FLAGS;
937
938 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 939 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 940 pinfo->metric = mpath->metric;
941 if (time_before(jiffies, mpath->exp_time))
942 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
943 pinfo->discovery_timeout =
944 jiffies_to_msecs(mpath->discovery_timeout);
945 pinfo->discovery_retries = mpath->discovery_retries;
946 pinfo->flags = 0;
947 if (mpath->flags & MESH_PATH_ACTIVE)
948 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
949 if (mpath->flags & MESH_PATH_RESOLVING)
950 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 951 if (mpath->flags & MESH_PATH_SN_VALID)
952 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 953 if (mpath->flags & MESH_PATH_FIXED)
954 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
955 if (mpath->flags & MESH_PATH_RESOLVING)
956 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
957
958 pinfo->flags = mpath->flags;
959}
960
961static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
962 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
963
964{
14db74bc 965 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 966 struct mesh_path *mpath;
967
14db74bc
JB		 968 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
969
c5dd9c2b 970 rcu_read_lock();
f698d856 971 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 972 if (!mpath) {
973 rcu_read_unlock();
974 return -ENOENT;
975 }
976 memcpy(dst, mpath->dst, ETH_ALEN);
977 mpath_set_pinfo(mpath, next_hop, pinfo);
978 rcu_read_unlock();
979 return 0;
980}
981
982static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
983 int idx, u8 *dst, u8 *next_hop,
984 struct mpath_info *pinfo)
985{
14db74bc 986 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 987 struct mesh_path *mpath;
988
14db74bc
JB		 989 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
990
c5dd9c2b 991 rcu_read_lock();
f698d856 992 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 993 if (!mpath) {
994 rcu_read_unlock();
995 return -ENOENT;
996 }
997 memcpy(dst, mpath->dst, ETH_ALEN);
998 mpath_set_pinfo(mpath, next_hop, pinfo);
999 rcu_read_unlock();
1000 return 0;
1001}
93da9cc1 1002
1003static int ieee80211_get_mesh_params(struct wiphy *wiphy,
1004 struct net_device *dev,
1005 struct mesh_config *conf)
1006{
1007 struct ieee80211_sub_if_data *sdata;
1008 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1009
93da9cc1 1010 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1011 return 0;
1012}
1013
1014static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1015{
1016 return (mask >> (parm-1)) & 0x1;
1017}
1018
1019static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1020 struct net_device *dev,
1021 const struct mesh_config *nconf, u32 mask)
1022{
1023 struct mesh_config *conf;
1024 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1025 struct ieee80211_if_mesh *ifmsh;
1026
93da9cc1 1027 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1028 ifmsh = &sdata->u.mesh;
93da9cc1 1029
93da9cc1 1030 /* Set the config options which we are interested in setting */
1031 conf = &(sdata->u.mesh.mshcfg);
1032 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1033 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1034 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1035 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1036 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1037 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1038 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1039 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1040 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1041 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1042 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1043 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1044 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1045 conf->auto_open_plinks = nconf->auto_open_plinks;
1046 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1047 conf->dot11MeshHWMPmaxPREQretries =
1048 nconf->dot11MeshHWMPmaxPREQretries;
1049 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1050 conf->path_refresh_time = nconf->path_refresh_time;
1051 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1052 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1053 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1054 conf->dot11MeshHWMPactivePathTimeout =
1055 nconf->dot11MeshHWMPactivePathTimeout;
1056 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1057 conf->dot11MeshHWMPpreqMinInterval =
1058 nconf->dot11MeshHWMPpreqMinInterval;
1059 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1060 mask))
1061 conf->dot11MeshHWMPnetDiameterTraversalTime =
1062 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1063 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1064 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1065 ieee80211_mesh_root_setup(ifmsh);
1066 }
93da9cc1 1067 return 0;
1068}
1069
c5dd9c2b
LCC		 1070#endif
1071
9f1ba906
JM		 1072static int ieee80211_change_bss(struct wiphy *wiphy,
1073 struct net_device *dev,
1074 struct bss_parameters *params)
1075{
9f1ba906
JM		 1076 struct ieee80211_sub_if_data *sdata;
1077 u32 changed = 0;
1078
9f1ba906
JM		 1079 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1080
9f1ba906 1081 if (params->use_cts_prot >= 0) {
bda3933a 1082 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1083 changed |= BSS_CHANGED_ERP_CTS_PROT;
1084 }
1085 if (params->use_short_preamble >= 0) {
bda3933a 1086 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1087 params->use_short_preamble;
1088 changed |= BSS_CHANGED_ERP_PREAMBLE;
1089 }
1090 if (params->use_short_slot_time >= 0) {
bda3933a 1091 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1092 params->use_short_slot_time;
1093 changed |= BSS_CHANGED_ERP_SLOT;
1094 }
1095
90c97a04
JM		 1096 if (params->basic_rates) {
1097 int i, j;
1098 u32 rates = 0;
1099 struct ieee80211_local *local = wiphy_priv(wiphy);
1100 struct ieee80211_supported_band *sband =
1101 wiphy->bands[local->oper_channel->band];
1102
1103 for (i = 0; i < params->basic_rates_len; i++) {
1104 int rate = (params->basic_rates[i] & 0x7f) * 5;
1105 for (j = 0; j < sband->n_bitrates; j++) {
1106 if (sband->bitrates[j].bitrate == rate)
1107 rates |= BIT(j);
1108 }
1109 }
1110 sdata->vif.bss_conf.basic_rates = rates;
1111 changed |= BSS_CHANGED_BASIC_RATES;
1112 }
1113
9f1ba906
JM		 1114 ieee80211_bss_info_change_notify(sdata, changed);
1115
1116 return 0;
1117}
1118
31888487
JM		 1119static int ieee80211_set_txq_params(struct wiphy *wiphy,
1120 struct ieee80211_txq_params *params)
1121{
1122 struct ieee80211_local *local = wiphy_priv(wiphy);
1123 struct ieee80211_tx_queue_params p;
1124
1125 if (!local->ops->conf_tx)
1126 return -EOPNOTSUPP;
1127
1128 memset(&p, 0, sizeof(p));
1129 p.aifs = params->aifs;
1130 p.cw_max = params->cwmax;
1131 p.cw_min = params->cwmin;
1132 p.txop = params->txop;
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
JM		 1234
1235 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 1236 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 1237
24487981
JB		 1238 if (err)
1239 return err;
b9a5f8ca
JM		 1240 }
1241
1242 if (changed & WIPHY_PARAM_RETRY_SHORT)
1243 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1244 if (changed & WIPHY_PARAM_RETRY_LONG)
1245 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1246 if (changed &
1247 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1248 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1249
1250 return 0;
1251}
1252
7643a2c3
JB		 1253static int ieee80211_set_tx_power(struct wiphy *wiphy,
1254 enum tx_power_setting type, int dbm)
1255{
1256 struct ieee80211_local *local = wiphy_priv(wiphy);
1257 struct ieee80211_channel *chan = local->hw.conf.channel;
1258 u32 changes = 0;
7643a2c3
JB		 1259
1260 switch (type) {
1261 case TX_POWER_AUTOMATIC:
1262 local->user_power_level = -1;
1263 break;
1264 case TX_POWER_LIMITED:
1265 if (dbm < 0)
1266 return -EINVAL;
1267 local->user_power_level = dbm;
1268 break;
1269 case TX_POWER_FIXED:
1270 if (dbm < 0)
1271 return -EINVAL;
1272 /* TODO: move to cfg80211 when it knows the channel */
1273 if (dbm > chan->max_power)
1274 return -EINVAL;
1275 local->user_power_level = dbm;
1276 break;
7643a2c3
JB		 1277 }
1278
1279 ieee80211_hw_config(local, changes);
1280
1281 return 0;
1282}
1283
1284static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1285{
1286 struct ieee80211_local *local = wiphy_priv(wiphy);
1287
1288 *dbm = local->hw.conf.power_level;
1289
7643a2c3
JB		 1290 return 0;
1291}
1292
ab737a4f
JB		 1293static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1294 u8 *addr)
1295{
1296 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1297
1298 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1299
1300 return 0;
1301}
1302
1f87f7d3
JB		 1303static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1304{
1305 struct ieee80211_local *local = wiphy_priv(wiphy);
1306
1307 drv_rfkill_poll(local);
1308}
1309
aff89a9b 1310#ifdef CONFIG_NL80211_TESTMODE
99783e2c 1311static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 1312{
1313 struct ieee80211_local *local = wiphy_priv(wiphy);
1314
1315 if (!local->ops->testmode_cmd)
1316 return -EOPNOTSUPP;
1317
1318 return local->ops->testmode_cmd(&local->hw, data, len);
1319}
1320#endif
1321
0f78231b
JB		 1322int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1323 enum ieee80211_smps_mode smps_mode)
1324{
1325 const u8 *ap;
1326 enum ieee80211_smps_mode old_req;
1327 int err;
1328
1329 old_req = sdata->u.mgd.req_smps;
1330 sdata->u.mgd.req_smps = smps_mode;
1331
1332 if (old_req == smps_mode &&
1333 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1334 return 0;
1335
1336 /*
1337 * If not associated, or current association is not an HT
1338 * association, there's no need to send an action frame.
1339 */
1340 if (!sdata->u.mgd.associated ||
1341 sdata->local->oper_channel_type == NL80211_CHAN_NO_HT) {
1342 mutex_lock(&sdata->local->iflist_mtx);
1343 ieee80211_recalc_smps(sdata->local, sdata);
1344 mutex_unlock(&sdata->local->iflist_mtx);
1345 return 0;
1346 }
1347
1348 ap = sdata->u.mgd.associated->cbss.bssid;
1349
1350 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1351 if (sdata->u.mgd.powersave)
1352 smps_mode = IEEE80211_SMPS_DYNAMIC;
1353 else
1354 smps_mode = IEEE80211_SMPS_OFF;
1355 }
1356
1357 /* send SM PS frame to AP */
1358 err = ieee80211_send_smps_action(sdata, smps_mode,
1359 ap, ap);
1360 if (err)
1361 sdata->u.mgd.req_smps = old_req;
1362
1363 return err;
1364}
1365
bc92afd9
JB		 1366static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1367 bool enabled, int timeout)
1368{
1369 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1370 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1371 struct ieee80211_conf *conf = &local->hw.conf;
1372
1373 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1374 return -EOPNOTSUPP;
1375
1376 if (enabled == sdata->u.mgd.powersave &&
1377 timeout == conf->dynamic_ps_timeout)
1378 return 0;
1379
1380 sdata->u.mgd.powersave = enabled;
1381 conf->dynamic_ps_timeout = timeout;
1382
0f78231b
JB		 1383 /* no change, but if automatic follow powersave */
1384 mutex_lock(&sdata->u.mgd.mtx);
1385 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1386 mutex_unlock(&sdata->u.mgd.mtx);
1387
bc92afd9
JB		 1388 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1389 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1390
1391 ieee80211_recalc_ps(local, -1);
1392
1393 return 0;
1394}
1395
9930380f
JB		 1396static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1397 struct net_device *dev,
1398 const u8 *addr,
1399 const struct cfg80211_bitrate_mask *mask)
1400{
1401 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1402 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2c7e6bc9 1403 int i;
9930380f
JB		 1404 u32 target_rate;
1405 struct ieee80211_supported_band *sband;
1406
2c7e6bc9
JB		 1407 /*
1408 * This _could_ be supported by providing a hook for
1409 * drivers for this function, but at this point it
1410 * doesn't seem worth bothering.
1411 */
1412 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
1413 return -EOPNOTSUPP;
1414
9930380f
JB		 1415 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
1416
2c7e6bc9
JB		 1417 /*
1418 * target_rate = -1, rate->fixed = 0 means auto only, so use all rates
9930380f 1419 * target_rate = X, rate->fixed = 1 means only rate X
2c7e6bc9
JB		 1420 * target_rate = X, rate->fixed = 0 means all rates <= X
1421 */
9930380f
JB		 1422 sdata->max_ratectrl_rateidx = -1;
1423 sdata->force_unicast_rateidx = -1;
1424
1425 if (mask->fixed)
1426 target_rate = mask->fixed / 100;
1427 else if (mask->maxrate)
1428 target_rate = mask->maxrate / 100;
1429 else
1430 return 0;
1431
2c7e6bc9
JB		 1432 for (i = 0; i< sband->n_bitrates; i++) {
1433 if (target_rate != sband->bitrates[i].bitrate)
1434 continue;
9930380f 1435
2c7e6bc9
JB		 1436 /* requested bitrate found */
1437 sdata->max_ratectrl_rateidx = i;
1438 if (mask->fixed)
1439 sdata->force_unicast_rateidx = i;
1440 return 0;
9930380f
JB		 1441 }
1442
2c7e6bc9 1443 return -EINVAL;
9930380f
JB		 1444}
1445
f0706e82
JB		 1446struct cfg80211_ops mac80211_config_ops = {
1447 .add_virtual_intf = ieee80211_add_iface,
1448 .del_virtual_intf = ieee80211_del_iface,
42613db7 1449 .change_virtual_intf = ieee80211_change_iface,
e8cbb4cb
JB		 1450 .add_key = ieee80211_add_key,
1451 .del_key = ieee80211_del_key,
62da92fb 1452 .get_key = ieee80211_get_key,
e8cbb4cb 1453 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 1454 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
5dfdaf58
JB		 1455 .add_beacon = ieee80211_add_beacon,
1456 .set_beacon = ieee80211_set_beacon,
1457 .del_beacon = ieee80211_del_beacon,
4fd6931e
JB		 1458 .add_station = ieee80211_add_station,
1459 .del_station = ieee80211_del_station,
1460 .change_station = ieee80211_change_station,
7bbdd2d9 1461 .get_station = ieee80211_get_station,
c5dd9c2b
LCC		 1462 .dump_station = ieee80211_dump_station,
1463#ifdef CONFIG_MAC80211_MESH
1464 .add_mpath = ieee80211_add_mpath,
1465 .del_mpath = ieee80211_del_mpath,
1466 .change_mpath = ieee80211_change_mpath,
1467 .get_mpath = ieee80211_get_mpath,
1468 .dump_mpath = ieee80211_dump_mpath,
93da9cc1 1469 .set_mesh_params = ieee80211_set_mesh_params,
1470 .get_mesh_params = ieee80211_get_mesh_params,
c5dd9c2b 1471#endif
9f1ba906 1472 .change_bss = ieee80211_change_bss,
31888487 1473 .set_txq_params = ieee80211_set_txq_params,
72bdcf34 1474 .set_channel = ieee80211_set_channel,
665af4fc
BC		 1475 .suspend = ieee80211_suspend,
1476 .resume = ieee80211_resume,
2a519311 1477 .scan = ieee80211_scan,
636a5d36
JM		 1478 .auth = ieee80211_auth,
1479 .assoc = ieee80211_assoc,
1480 .deauth = ieee80211_deauth,
1481 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 1482 .join_ibss = ieee80211_join_ibss,
1483 .leave_ibss = ieee80211_leave_ibss,
b9a5f8ca 1484 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 1485 .set_tx_power = ieee80211_set_tx_power,
1486 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 1487 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 1488 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 1489 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
bc92afd9 1490 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 1491 .set_bitrate_mask = ieee80211_set_bitrate_mask,
f0706e82 1492};
Linux 6.x block layer and io_uring tree(s)