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mac80211: Added a new debugfs file for reading channel_type
[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{
9607e6b6 81 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
f3947e2d 82 int ret;
42613db7 83
9607e6b6 84 if (ieee80211_sdata_running(sdata))
c1f9a764
JB		 85 return -EBUSY;
86
f14543ee 87 if (!nl80211_params_check(type, params))
42613db7
JB		 88 return -EINVAL;
89
05c914fe 90 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 91 if (ret)
92 return ret;
42613db7 93
902acc78 94 if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
472dbc45
JB		 95 ieee80211_sdata_set_mesh_id(sdata,
96 params->mesh_id_len,
97 params->mesh_id);
c5dd9c2b 98
05c914fe 99 if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
8cc9a739
MW		 100 return 0;
101
9bc383de
JB		 102 if (type == NL80211_IFTYPE_AP_VLAN &&
103 params && params->use_4addr == 0)
104 rcu_assign_pointer(sdata->u.vlan.sta, NULL);
105 else if (type == NL80211_IFTYPE_STATION &&
106 params && params->use_4addr >= 0)
107 sdata->u.mgd.use_4addr = params->use_4addr;
108
8cc9a739 109 sdata->u.mntr_flags = *flags;
42613db7
JB		 110 return 0;
111}
112
e8cbb4cb 113static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
4e943900 114 u8 key_idx, const u8 *mac_addr,
e8cbb4cb
JB		 115 struct key_params *params)
116{
117 struct ieee80211_sub_if_data *sdata;
118 struct sta_info *sta = NULL;
119 enum ieee80211_key_alg alg;
db4d1169 120 struct ieee80211_key *key;
3b96766f 121 int err;
e8cbb4cb
JB		 122
123 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
124
125 switch (params->cipher) {
126 case WLAN_CIPHER_SUITE_WEP40:
127 case WLAN_CIPHER_SUITE_WEP104:
128 alg = ALG_WEP;
129 break;
130 case WLAN_CIPHER_SUITE_TKIP:
131 alg = ALG_TKIP;
132 break;
133 case WLAN_CIPHER_SUITE_CCMP:
134 alg = ALG_CCMP;
135 break;
3cfcf6ac
JM		 136 case WLAN_CIPHER_SUITE_AES_CMAC:
137 alg = ALG_AES_CMAC;
138 break;
e8cbb4cb
JB		 139 default:
140 return -EINVAL;
141 }
142
faa8fdc8
JM		 143 key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
144 params->seq_len, params->seq);
db4d1169
JB		 145 if (!key)
146 return -ENOMEM;
147
3b96766f
JB		 148 rcu_read_lock();
149
e8cbb4cb 150 if (mac_addr) {
0e5ded5a 151 sta = sta_info_get_bss(sdata, mac_addr);
db4d1169
JB		 152 if (!sta) {
153 ieee80211_key_free(key);
3b96766f
JB		 154 err = -ENOENT;
155 goto out_unlock;
db4d1169 156 }
e8cbb4cb
JB		 157 }
158
db4d1169
JB		 159 ieee80211_key_link(key, sdata, sta);
160
3b96766f
JB		 161 err = 0;
162 out_unlock:
163 rcu_read_unlock();
164
165 return err;
e8cbb4cb
JB		 166}
167
168static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
4e943900 169 u8 key_idx, const u8 *mac_addr)
e8cbb4cb
JB		 170{
171 struct ieee80211_sub_if_data *sdata;
172 struct sta_info *sta;
173 int ret;
174
175 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
176
3b96766f
JB		 177 rcu_read_lock();
178
e8cbb4cb 179 if (mac_addr) {
3b96766f
JB		 180 ret = -ENOENT;
181
0e5ded5a 182 sta = sta_info_get_bss(sdata, mac_addr);
e8cbb4cb 183 if (!sta)
3b96766f 184 goto out_unlock;
e8cbb4cb 185
db4d1169 186 if (sta->key) {
d0709a65 187 ieee80211_key_free(sta->key);
db4d1169 188 WARN_ON(sta->key);
3b96766f
JB		 189 ret = 0;
190 }
e8cbb4cb 191
3b96766f 192 goto out_unlock;
e8cbb4cb
JB		 193 }
194
3b96766f
JB		 195 if (!sdata->keys[key_idx]) {
196 ret = -ENOENT;
197 goto out_unlock;
198 }
e8cbb4cb 199
d0709a65 200 ieee80211_key_free(sdata->keys[key_idx]);
db4d1169 201 WARN_ON(sdata->keys[key_idx]);
e8cbb4cb 202
3b96766f
JB		 203 ret = 0;
204 out_unlock:
205 rcu_read_unlock();
206
207 return ret;
e8cbb4cb
JB		 208}
209
62da92fb 210static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
4e943900 211 u8 key_idx, const u8 *mac_addr, void *cookie,
62da92fb
JB		 212 void (*callback)(void *cookie,
213 struct key_params *params))
214{
14db74bc 215 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 216 struct sta_info *sta = NULL;
217 u8 seq[6] = {0};
218 struct key_params params;
219 struct ieee80211_key *key;
220 u32 iv32;
221 u16 iv16;
222 int err = -ENOENT;
223
14db74bc
JB		 224 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
225
3b96766f
JB		 226 rcu_read_lock();
227
62da92fb 228 if (mac_addr) {
0e5ded5a 229 sta = sta_info_get_bss(sdata, mac_addr);
62da92fb
JB		 230 if (!sta)
231 goto out;
232
233 key = sta->key;
234 } else
235 key = sdata->keys[key_idx];
236
237 if (!key)
238 goto out;
239
240 memset(&params, 0, sizeof(params));
241
242 switch (key->conf.alg) {
243 case ALG_TKIP:
244 params.cipher = WLAN_CIPHER_SUITE_TKIP;
245
b0f76b33
HH		 246 iv32 = key->u.tkip.tx.iv32;
247 iv16 = key->u.tkip.tx.iv16;
62da92fb 248
24487981
JB		 249 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
250 drv_get_tkip_seq(sdata->local,
251 key->conf.hw_key_idx,
252 &iv32, &iv16);
62da92fb
JB		 253
254 seq[0] = iv16 & 0xff;
255 seq[1] = (iv16 >> 8) & 0xff;
256 seq[2] = iv32 & 0xff;
257 seq[3] = (iv32 >> 8) & 0xff;
258 seq[4] = (iv32 >> 16) & 0xff;
259 seq[5] = (iv32 >> 24) & 0xff;
260 params.seq = seq;
261 params.seq_len = 6;
262 break;
263 case ALG_CCMP:
264 params.cipher = WLAN_CIPHER_SUITE_CCMP;
265 seq[0] = key->u.ccmp.tx_pn[5];
266 seq[1] = key->u.ccmp.tx_pn[4];
267 seq[2] = key->u.ccmp.tx_pn[3];
268 seq[3] = key->u.ccmp.tx_pn[2];
269 seq[4] = key->u.ccmp.tx_pn[1];
270 seq[5] = key->u.ccmp.tx_pn[0];
271 params.seq = seq;
272 params.seq_len = 6;
273 break;
274 case ALG_WEP:
275 if (key->conf.keylen == 5)
276 params.cipher = WLAN_CIPHER_SUITE_WEP40;
277 else
278 params.cipher = WLAN_CIPHER_SUITE_WEP104;
279 break;
3cfcf6ac
JM		 280 case ALG_AES_CMAC:
281 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
282 seq[0] = key->u.aes_cmac.tx_pn[5];
283 seq[1] = key->u.aes_cmac.tx_pn[4];
284 seq[2] = key->u.aes_cmac.tx_pn[3];
285 seq[3] = key->u.aes_cmac.tx_pn[2];
286 seq[4] = key->u.aes_cmac.tx_pn[1];
287 seq[5] = key->u.aes_cmac.tx_pn[0];
288 params.seq = seq;
289 params.seq_len = 6;
290 break;
62da92fb
JB		 291 }
292
293 params.key = key->conf.key;
294 params.key_len = key->conf.keylen;
295
296 callback(cookie, &params);
297 err = 0;
298
299 out:
3b96766f 300 rcu_read_unlock();
62da92fb
JB		 301 return err;
302}
303
e8cbb4cb
JB		 304static int ieee80211_config_default_key(struct wiphy *wiphy,
305 struct net_device *dev,
306 u8 key_idx)
307{
308 struct ieee80211_sub_if_data *sdata;
309
3b96766f
JB		 310 rcu_read_lock();
311
e8cbb4cb
JB		 312 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
313 ieee80211_set_default_key(sdata, key_idx);
314
3b96766f
JB		 315 rcu_read_unlock();
316
e8cbb4cb
JB		 317 return 0;
318}
319
3cfcf6ac
JM		 320static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
321 struct net_device *dev,
322 u8 key_idx)
323{
324 struct ieee80211_sub_if_data *sdata;
325
326 rcu_read_lock();
327
328 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
329 ieee80211_set_default_mgmt_key(sdata, key_idx);
330
331 rcu_read_unlock();
332
333 return 0;
334}
335
c5dd9c2b
LCC		 336static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
337{
d0709a65 338 struct ieee80211_sub_if_data *sdata = sta->sdata;
c5dd9c2b 339
f5ea9120
JB		 340 sinfo->generation = sdata->local->sta_generation;
341
c5dd9c2b
LCC		 342 sinfo->filled = STATION_INFO_INACTIVE_TIME |
343 STATION_INFO_RX_BYTES |
420e7fab 344 STATION_INFO_TX_BYTES |
98c8a60a
JM		 345 STATION_INFO_RX_PACKETS |
346 STATION_INFO_TX_PACKETS |
420e7fab 347 STATION_INFO_TX_BITRATE;
c5dd9c2b
LCC		 348
349 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
350 sinfo->rx_bytes = sta->rx_bytes;
351 sinfo->tx_bytes = sta->tx_bytes;
98c8a60a
JM		 352 sinfo->rx_packets = sta->rx_packets;
353 sinfo->tx_packets = sta->tx_packets;
c5dd9c2b 354
19deffbe
JL		 355 if ((sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) ||
356 (sta->local->hw.flags & IEEE80211_HW_SIGNAL_UNSPEC)) {
420e7fab
HR		 357 sinfo->filled |= STATION_INFO_SIGNAL;
358 sinfo->signal = (s8)sta->last_signal;
359 }
360
361 sinfo->txrate.flags = 0;
362 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
363 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
364 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
365 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
366 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
367 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
368
369 if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
370 struct ieee80211_supported_band *sband;
371 sband = sta->local->hw.wiphy->bands[
372 sta->local->hw.conf.channel->band];
373 sinfo->txrate.legacy =
374 sband->bitrates[sta->last_tx_rate.idx].bitrate;
375 } else
376 sinfo->txrate.mcs = sta->last_tx_rate.idx;
377
902acc78 378 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 379#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 380 sinfo->filled |= STATION_INFO_LLID |
381 STATION_INFO_PLID |
382 STATION_INFO_PLINK_STATE;
383
384 sinfo->llid = le16_to_cpu(sta->llid);
385 sinfo->plid = le16_to_cpu(sta->plid);
386 sinfo->plink_state = sta->plink_state;
c5dd9c2b 387#endif
902acc78 388 }
c5dd9c2b
LCC		 389}
390
391
392static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
393 int idx, u8 *mac, struct station_info *sinfo)
394{
3b53fde8 395 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
c5dd9c2b 396 struct sta_info *sta;
d0709a65
JB		 397 int ret = -ENOENT;
398
399 rcu_read_lock();
c5dd9c2b 400
3b53fde8 401 sta = sta_info_get_by_idx(sdata, idx);
d0709a65
JB		 402 if (sta) {
403 ret = 0;
17741cdc 404 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 405 sta_set_sinfo(sta, sinfo);
406 }
c5dd9c2b 407
d0709a65 408 rcu_read_unlock();
c5dd9c2b 409
d0709a65 410 return ret;
c5dd9c2b
LCC		 411}
412
7bbdd2d9 413static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 414 u8 *mac, struct station_info *sinfo)
7bbdd2d9 415{
abe60632 416 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
7bbdd2d9 417 struct sta_info *sta;
d0709a65 418 int ret = -ENOENT;
7bbdd2d9 419
d0709a65 420 rcu_read_lock();
7bbdd2d9 421
0e5ded5a 422 sta = sta_info_get_bss(sdata, mac);
d0709a65
JB		 423 if (sta) {
424 ret = 0;
425 sta_set_sinfo(sta, sinfo);
426 }
427
428 rcu_read_unlock();
429
430 return ret;
7bbdd2d9
JB		 431}
432
5dfdaf58
JB		 433/*
434 * This handles both adding a beacon and setting new beacon info
435 */
436static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
437 struct beacon_parameters *params)
438{
439 struct beacon_data *new, *old;
440 int new_head_len, new_tail_len;
441 int size;
442 int err = -EINVAL;
443
444 old = sdata->u.ap.beacon;
445
446 /* head must not be zero-length */
447 if (params->head && !params->head_len)
448 return -EINVAL;
449
450 /*
451 * This is a kludge. beacon interval should really be part
452 * of the beacon information.
453 */
57c4d7b4
JB		 454 if (params->interval &&
455 (sdata->vif.bss_conf.beacon_int != params->interval)) {
456 sdata->vif.bss_conf.beacon_int = params->interval;
457 ieee80211_bss_info_change_notify(sdata,
458 BSS_CHANGED_BEACON_INT);
5dfdaf58
JB		 459 }
460
461 /* Need to have a beacon head if we don't have one yet */
462 if (!params->head && !old)
463 return err;
464
465 /* sorry, no way to start beaconing without dtim period */
466 if (!params->dtim_period && !old)
467 return err;
468
469 /* new or old head? */
470 if (params->head)
471 new_head_len = params->head_len;
472 else
473 new_head_len = old->head_len;
474
475 /* new or old tail? */
476 if (params->tail || !old)
477 /* params->tail_len will be zero for !params->tail */
478 new_tail_len = params->tail_len;
479 else
480 new_tail_len = old->tail_len;
481
482 size = sizeof(*new) + new_head_len + new_tail_len;
483
484 new = kzalloc(size, GFP_KERNEL);
485 if (!new)
486 return -ENOMEM;
487
488 /* start filling the new info now */
489
490 /* new or old dtim period? */
491 if (params->dtim_period)
492 new->dtim_period = params->dtim_period;
493 else
494 new->dtim_period = old->dtim_period;
495
496 /*
497 * pointers go into the block we allocated,
498 * memory is | beacon_data | head | tail |
499 */
500 new->head = ((u8 *) new) + sizeof(*new);
501 new->tail = new->head + new_head_len;
502 new->head_len = new_head_len;
503 new->tail_len = new_tail_len;
504
505 /* copy in head */
506 if (params->head)
507 memcpy(new->head, params->head, new_head_len);
508 else
509 memcpy(new->head, old->head, new_head_len);
510
511 /* copy in optional tail */
512 if (params->tail)
513 memcpy(new->tail, params->tail, new_tail_len);
514 else
515 if (old)
516 memcpy(new->tail, old->tail, new_tail_len);
517
518 rcu_assign_pointer(sdata->u.ap.beacon, new);
519
520 synchronize_rcu();
521
522 kfree(old);
523
2d0ddec5
JB		 524 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
525 BSS_CHANGED_BEACON);
526 return 0;
5dfdaf58
JB		 527}
528
529static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
530 struct beacon_parameters *params)
531{
14db74bc 532 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 533 struct beacon_data *old;
534
14db74bc
JB		 535 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
536
5dfdaf58
JB		 537 old = sdata->u.ap.beacon;
538
539 if (old)
540 return -EALREADY;
541
542 return ieee80211_config_beacon(sdata, params);
543}
544
545static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
546 struct beacon_parameters *params)
547{
14db74bc 548 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 549 struct beacon_data *old;
550
14db74bc
JB		 551 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
552
5dfdaf58
JB		 553 old = sdata->u.ap.beacon;
554
555 if (!old)
556 return -ENOENT;
557
558 return ieee80211_config_beacon(sdata, params);
559}
560
561static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
562{
14db74bc 563 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 564 struct beacon_data *old;
565
14db74bc
JB		 566 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
567
5dfdaf58
JB		 568 old = sdata->u.ap.beacon;
569
570 if (!old)
571 return -ENOENT;
572
573 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
574 synchronize_rcu();
575 kfree(old);
576
2d0ddec5
JB		 577 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
578 return 0;
5dfdaf58
JB		 579}
580
4fd6931e
JB		 581/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
582struct iapp_layer2_update {
583 u8 da[ETH_ALEN]; /* broadcast */
584 u8 sa[ETH_ALEN]; /* STA addr */
585 __be16 len; /* 6 */
586 u8 dsap; /* 0 */
587 u8 ssap; /* 0 */
588 u8 control;
589 u8 xid_info[3];
590} __attribute__ ((packed));
591
592static void ieee80211_send_layer2_update(struct sta_info *sta)
593{
594 struct iapp_layer2_update *msg;
595 struct sk_buff *skb;
596
597 /* Send Level 2 Update Frame to update forwarding tables in layer 2
598 * bridge devices */
599
600 skb = dev_alloc_skb(sizeof(*msg));
601 if (!skb)
602 return;
603 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
604
605 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
606 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
607
608 memset(msg->da, 0xff, ETH_ALEN);
17741cdc 609 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 610 msg->len = htons(6);
611 msg->dsap = 0;
612 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
613 msg->control = 0xaf; /* XID response lsb.1111F101.
614 * F=0 (no poll command; unsolicited frame) */
615 msg->xid_info[0] = 0x81; /* XID format identifier */
616 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
617 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
618
d0709a65
JB		 619 skb->dev = sta->sdata->dev;
620 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e
JB		 621 memset(skb->cb, 0, sizeof(skb->cb));
622 netif_rx(skb);
623}
624
625static void sta_apply_parameters(struct ieee80211_local *local,
626 struct sta_info *sta,
627 struct station_parameters *params)
628{
629 u32 rates;
630 int i, j;
8318d78a 631 struct ieee80211_supported_band *sband;
d0709a65 632 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 633 u32 mask, set;
4fd6931e 634
ae5eb026
JB		 635 sband = local->hw.wiphy->bands[local->oper_channel->band];
636
eccb8e8f
JB		 637 spin_lock_bh(&sta->lock);
638 mask = params->sta_flags_mask;
639 set = params->sta_flags_set;
73651ee6 640
eccb8e8f 641 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
4fd6931e 642 sta->flags &= ~WLAN_STA_AUTHORIZED;
eccb8e8f 643 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
4fd6931e 644 sta->flags |= WLAN_STA_AUTHORIZED;
eccb8e8f 645 }
4fd6931e 646
eccb8e8f 647 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
4fd6931e 648 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
eccb8e8f 649 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
4fd6931e 650 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
eccb8e8f 651 }
4fd6931e 652
eccb8e8f 653 if (mask & BIT(NL80211_STA_FLAG_WME)) {
4fd6931e 654 sta->flags &= ~WLAN_STA_WME;
eccb8e8f 655 if (set & BIT(NL80211_STA_FLAG_WME))
4fd6931e 656 sta->flags |= WLAN_STA_WME;
eccb8e8f 657 }
5394af4d 658
eccb8e8f 659 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
5394af4d 660 sta->flags &= ~WLAN_STA_MFP;
eccb8e8f 661 if (set & BIT(NL80211_STA_FLAG_MFP))
5394af4d 662 sta->flags |= WLAN_STA_MFP;
4fd6931e 663 }
eccb8e8f 664 spin_unlock_bh(&sta->lock);
4fd6931e 665
51b50fbe
JB		 666 /*
667 * cfg80211 validates this (1-2007) and allows setting the AID
668 * only when creating a new station entry
669 */
670 if (params->aid)
671 sta->sta.aid = params->aid;
672
73651ee6
JB		 673 /*
674 * FIXME: updating the following information is racy when this
675 * function is called from ieee80211_change_station().
676 * However, all this information should be static so
677 * maybe we should just reject attemps to change it.
678 */
679
4fd6931e
JB		 680 if (params->listen_interval >= 0)
681 sta->listen_interval = params->listen_interval;
682
683 if (params->supported_rates) {
684 rates = 0;
8318d78a 685
4fd6931e
JB		 686 for (i = 0; i < params->supported_rates_len; i++) {
687 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 688 for (j = 0; j < sband->n_bitrates; j++) {
689 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 690 rates |= BIT(j);
691 }
692 }
323ce79a 693 sta->sta.supp_rates[local->oper_channel->band] = rates;
4fd6931e 694 }
c5dd9c2b 695
d9fe60de 696 if (params->ht_capa)
ae5eb026
JB		 697 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
698 params->ht_capa,
d9fe60de 699 &sta->sta.ht_cap);
36aedc90 700
902acc78 701 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
c5dd9c2b
LCC		 702 switch (params->plink_action) {
703 case PLINK_ACTION_OPEN:
704 mesh_plink_open(sta);
705 break;
706 case PLINK_ACTION_BLOCK:
707 mesh_plink_block(sta);
708 break;
709 }
902acc78 710 }
4fd6931e
JB		 711}
712
713static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
714 u8 *mac, struct station_parameters *params)
715{
14db74bc 716 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 717 struct sta_info *sta;
718 struct ieee80211_sub_if_data *sdata;
73651ee6 719 int err;
b8d476c8 720 int layer2_update;
4fd6931e 721
4fd6931e
JB		 722 if (params->vlan) {
723 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
724
05c914fe
JB		 725 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
726 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 727 return -EINVAL;
728 } else
729 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
730
47846c9b 731 if (compare_ether_addr(mac, sdata->vif.addr) == 0)
03e4497e
JB		 732 return -EINVAL;
733
734 if (is_multicast_ether_addr(mac))
735 return -EINVAL;
736
737 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 738 if (!sta)
739 return -ENOMEM;
4fd6931e
JB		 740
741 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
742
743 sta_apply_parameters(local, sta, params);
744
4b7679a5 745 rate_control_rate_init(sta);
4fd6931e 746
b8d476c8
JM		 747 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
748 sdata->vif.type == NL80211_IFTYPE_AP;
749
34e89507 750 err = sta_info_insert_rcu(sta);
73651ee6 751 if (err) {
73651ee6
JB		 752 rcu_read_unlock();
753 return err;
754 }
755
b8d476c8 756 if (layer2_update)
73651ee6
JB		 757 ieee80211_send_layer2_update(sta);
758
759 rcu_read_unlock();
760
4fd6931e
JB		 761 return 0;
762}
763
764static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
765 u8 *mac)
766{
14db74bc
JB		 767 struct ieee80211_local *local = wiphy_priv(wiphy);
768 struct ieee80211_sub_if_data *sdata;
4fd6931e 769
14db74bc
JB		 770 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
771
34e89507
JB		 772 if (mac)
773 return sta_info_destroy_addr_bss(sdata, mac);
4fd6931e 774
34e89507 775 sta_info_flush(local, sdata);
4fd6931e
JB		 776 return 0;
777}
778
779static int ieee80211_change_station(struct wiphy *wiphy,
780 struct net_device *dev,
781 u8 *mac,
782 struct station_parameters *params)
783{
abe60632 784 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 785 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 786 struct sta_info *sta;
787 struct ieee80211_sub_if_data *vlansdata;
788
98dd6a57
JB		 789 rcu_read_lock();
790
0e5ded5a 791 sta = sta_info_get_bss(sdata, mac);
98dd6a57
JB		 792 if (!sta) {
793 rcu_read_unlock();
4fd6931e 794 return -ENOENT;
98dd6a57 795 }
4fd6931e 796
d0709a65 797 if (params->vlan && params->vlan != sta->sdata->dev) {
4fd6931e
JB		 798 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
799
05c914fe
JB		 800 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
801 vlansdata->vif.type != NL80211_IFTYPE_AP) {
98dd6a57 802 rcu_read_unlock();
4fd6931e 803 return -EINVAL;
98dd6a57 804 }
4fd6931e 805
9bc383de 806 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c
JB		 807 if (vlansdata->u.vlan.sta) {
808 rcu_read_unlock();
f14543ee 809 return -EBUSY;
3305443c 810 }
f14543ee
FF		 811
812 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
813 }
814
14db74bc 815 sta->sdata = vlansdata;
4fd6931e
JB		 816 ieee80211_send_layer2_update(sta);
817 }
818
819 sta_apply_parameters(local, sta, params);
820
98dd6a57
JB		 821 rcu_read_unlock();
822
4fd6931e
JB		 823 return 0;
824}
825
c5dd9c2b
LCC		 826#ifdef CONFIG_MAC80211_MESH
827static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
828 u8 *dst, u8 *next_hop)
829{
14db74bc 830 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 831 struct mesh_path *mpath;
832 struct sta_info *sta;
833 int err;
834
14db74bc
JB		 835 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
836
d0709a65 837 rcu_read_lock();
abe60632 838 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 839 if (!sta) {
840 rcu_read_unlock();
c5dd9c2b 841 return -ENOENT;
d0709a65 842 }
c5dd9c2b 843
f698d856 844 err = mesh_path_add(dst, sdata);
d0709a65
JB		 845 if (err) {
846 rcu_read_unlock();
c5dd9c2b 847 return err;
d0709a65 848 }
c5dd9c2b 849
f698d856 850 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 851 if (!mpath) {
852 rcu_read_unlock();
c5dd9c2b
LCC		 853 return -ENXIO;
854 }
855 mesh_path_fix_nexthop(mpath, sta);
d0709a65 856
c5dd9c2b
LCC		 857 rcu_read_unlock();
858 return 0;
859}
860
861static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
862 u8 *dst)
863{
f698d856
JBG		 864 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
865
c5dd9c2b 866 if (dst)
f698d856 867 return mesh_path_del(dst, sdata);
c5dd9c2b 868
f698d856 869 mesh_path_flush(sdata);
c5dd9c2b
LCC		 870 return 0;
871}
872
873static int ieee80211_change_mpath(struct wiphy *wiphy,
874 struct net_device *dev,
875 u8 *dst, u8 *next_hop)
876{
14db74bc 877 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 878 struct mesh_path *mpath;
879 struct sta_info *sta;
880
14db74bc
JB		 881 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
882
d0709a65
JB		 883 rcu_read_lock();
884
abe60632 885 sta = sta_info_get(sdata, next_hop);
d0709a65
JB		 886 if (!sta) {
887 rcu_read_unlock();
c5dd9c2b 888 return -ENOENT;
d0709a65 889 }
c5dd9c2b 890
f698d856 891 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 892 if (!mpath) {
893 rcu_read_unlock();
c5dd9c2b
LCC		 894 return -ENOENT;
895 }
896
897 mesh_path_fix_nexthop(mpath, sta);
d0709a65 898
c5dd9c2b
LCC		 899 rcu_read_unlock();
900 return 0;
901}
902
903static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
904 struct mpath_info *pinfo)
905{
906 if (mpath->next_hop)
17741cdc 907 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 908 else
909 memset(next_hop, 0, ETH_ALEN);
910
f5ea9120
JB		 911 pinfo->generation = mesh_paths_generation;
912
c5dd9c2b 913 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 914 MPATH_INFO_SN |
c5dd9c2b
LCC		 915 MPATH_INFO_METRIC |
916 MPATH_INFO_EXPTIME |
917 MPATH_INFO_DISCOVERY_TIMEOUT |
918 MPATH_INFO_DISCOVERY_RETRIES |
919 MPATH_INFO_FLAGS;
920
921 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 922 pinfo->sn = mpath->sn;
c5dd9c2b
LCC		 923 pinfo->metric = mpath->metric;
924 if (time_before(jiffies, mpath->exp_time))
925 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
926 pinfo->discovery_timeout =
927 jiffies_to_msecs(mpath->discovery_timeout);
928 pinfo->discovery_retries = mpath->discovery_retries;
929 pinfo->flags = 0;
930 if (mpath->flags & MESH_PATH_ACTIVE)
931 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
932 if (mpath->flags & MESH_PATH_RESOLVING)
933 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP		 934 if (mpath->flags & MESH_PATH_SN_VALID)
935 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC		 936 if (mpath->flags & MESH_PATH_FIXED)
937 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
938 if (mpath->flags & MESH_PATH_RESOLVING)
939 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
940
941 pinfo->flags = mpath->flags;
942}
943
944static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
945 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
946
947{
14db74bc 948 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 949 struct mesh_path *mpath;
950
14db74bc
JB		 951 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
952
c5dd9c2b 953 rcu_read_lock();
f698d856 954 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 955 if (!mpath) {
956 rcu_read_unlock();
957 return -ENOENT;
958 }
959 memcpy(dst, mpath->dst, ETH_ALEN);
960 mpath_set_pinfo(mpath, next_hop, pinfo);
961 rcu_read_unlock();
962 return 0;
963}
964
965static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
966 int idx, u8 *dst, u8 *next_hop,
967 struct mpath_info *pinfo)
968{
14db74bc 969 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 970 struct mesh_path *mpath;
971
14db74bc
JB		 972 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
973
c5dd9c2b 974 rcu_read_lock();
f698d856 975 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 976 if (!mpath) {
977 rcu_read_unlock();
978 return -ENOENT;
979 }
980 memcpy(dst, mpath->dst, ETH_ALEN);
981 mpath_set_pinfo(mpath, next_hop, pinfo);
982 rcu_read_unlock();
983 return 0;
984}
93da9cc1 985
986static int ieee80211_get_mesh_params(struct wiphy *wiphy,
987 struct net_device *dev,
988 struct mesh_config *conf)
989{
990 struct ieee80211_sub_if_data *sdata;
991 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
992
93da9cc1 993 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
994 return 0;
995}
996
997static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
998{
999 return (mask >> (parm-1)) & 0x1;
1000}
1001
1002static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1003 struct net_device *dev,
1004 const struct mesh_config *nconf, u32 mask)
1005{
1006 struct mesh_config *conf;
1007 struct ieee80211_sub_if_data *sdata;
63c5723b
RP		 1008 struct ieee80211_if_mesh *ifmsh;
1009
93da9cc1 1010 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1011 ifmsh = &sdata->u.mesh;
93da9cc1 1012
93da9cc1 1013 /* Set the config options which we are interested in setting */
1014 conf = &(sdata->u.mesh.mshcfg);
1015 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1016 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1017 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1018 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1019 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1020 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1021 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1022 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1023 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1024 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1025 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1026 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1027 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1028 conf->auto_open_plinks = nconf->auto_open_plinks;
1029 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1030 conf->dot11MeshHWMPmaxPREQretries =
1031 nconf->dot11MeshHWMPmaxPREQretries;
1032 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1033 conf->path_refresh_time = nconf->path_refresh_time;
1034 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1035 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1036 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1037 conf->dot11MeshHWMPactivePathTimeout =
1038 nconf->dot11MeshHWMPactivePathTimeout;
1039 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1040 conf->dot11MeshHWMPpreqMinInterval =
1041 nconf->dot11MeshHWMPpreqMinInterval;
1042 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1043 mask))
1044 conf->dot11MeshHWMPnetDiameterTraversalTime =
1045 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP		 1046 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1047 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1048 ieee80211_mesh_root_setup(ifmsh);
1049 }
93da9cc1 1050 return 0;
1051}
1052
c5dd9c2b
LCC		 1053#endif
1054
9f1ba906
JM		 1055static int ieee80211_change_bss(struct wiphy *wiphy,
1056 struct net_device *dev,
1057 struct bss_parameters *params)
1058{
9f1ba906
JM		 1059 struct ieee80211_sub_if_data *sdata;
1060 u32 changed = 0;
1061
9f1ba906
JM		 1062 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1063
9f1ba906 1064 if (params->use_cts_prot >= 0) {
bda3933a 1065 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1066 changed |= BSS_CHANGED_ERP_CTS_PROT;
1067 }
1068 if (params->use_short_preamble >= 0) {
bda3933a 1069 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1070 params->use_short_preamble;
1071 changed |= BSS_CHANGED_ERP_PREAMBLE;
1072 }
43d35343
FF		 1073
1074 if (!sdata->vif.bss_conf.use_short_slot &&
1075 sdata->local->hw.conf.channel->band == IEEE80211_BAND_5GHZ) {
1076 sdata->vif.bss_conf.use_short_slot = true;
1077 changed |= BSS_CHANGED_ERP_SLOT;
1078 }
1079
9f1ba906 1080 if (params->use_short_slot_time >= 0) {
bda3933a 1081 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1082 params->use_short_slot_time;
1083 changed |= BSS_CHANGED_ERP_SLOT;
1084 }
1085
90c97a04
JM		 1086 if (params->basic_rates) {
1087 int i, j;
1088 u32 rates = 0;
1089 struct ieee80211_local *local = wiphy_priv(wiphy);
1090 struct ieee80211_supported_band *sband =
1091 wiphy->bands[local->oper_channel->band];
1092
1093 for (i = 0; i < params->basic_rates_len; i++) {
1094 int rate = (params->basic_rates[i] & 0x7f) * 5;
1095 for (j = 0; j < sband->n_bitrates; j++) {
1096 if (sband->bitrates[j].bitrate == rate)
1097 rates |= BIT(j);
1098 }
1099 }
1100 sdata->vif.bss_conf.basic_rates = rates;
1101 changed |= BSS_CHANGED_BASIC_RATES;
1102 }
1103
9f1ba906
JM		 1104 ieee80211_bss_info_change_notify(sdata, changed);
1105
1106 return 0;
1107}
1108
31888487
JM		 1109static int ieee80211_set_txq_params(struct wiphy *wiphy,
1110 struct ieee80211_txq_params *params)
1111{
1112 struct ieee80211_local *local = wiphy_priv(wiphy);
1113 struct ieee80211_tx_queue_params p;
1114
1115 if (!local->ops->conf_tx)
1116 return -EOPNOTSUPP;
1117
1118 memset(&p, 0, sizeof(p));
1119 p.aifs = params->aifs;
1120 p.cw_max = params->cwmax;
1121 p.cw_min = params->cwmin;
1122 p.txop = params->txop;
ab13315a
KV		 1123
1124 /*
1125 * Setting tx queue params disables u-apsd because it's only
1126 * called in master mode.
1127 */
1128 p.uapsd = false;
1129
24487981 1130 if (drv_conf_tx(local, params->queue, &p)) {
31888487 1131 printk(KERN_DEBUG "%s: failed to set TX queue "
0bffe40f
JB		 1132 "parameters for queue %d\n",
1133 wiphy_name(local->hw.wiphy), params->queue);
31888487
JM		 1134 return -EINVAL;
1135 }
1136
1137 return 0;
1138}
1139
72bdcf34
JM		 1140static int ieee80211_set_channel(struct wiphy *wiphy,
1141 struct ieee80211_channel *chan,
094d05dc 1142 enum nl80211_channel_type channel_type)
72bdcf34
JM		 1143{
1144 struct ieee80211_local *local = wiphy_priv(wiphy);
1145
1146 local->oper_channel = chan;
094d05dc 1147 local->oper_channel_type = channel_type;
72bdcf34
JM		 1148
1149 return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1150}
1151
665af4fc
BC		 1152#ifdef CONFIG_PM
1153static int ieee80211_suspend(struct wiphy *wiphy)
1154{
1155 return __ieee80211_suspend(wiphy_priv(wiphy));
1156}
1157
1158static int ieee80211_resume(struct wiphy *wiphy)
1159{
1160 return __ieee80211_resume(wiphy_priv(wiphy));
1161}
1162#else
1163#define ieee80211_suspend NULL
1164#define ieee80211_resume NULL
1165#endif
1166
2a519311
JB		 1167static int ieee80211_scan(struct wiphy *wiphy,
1168 struct net_device *dev,
1169 struct cfg80211_scan_request *req)
1170{
1171 struct ieee80211_sub_if_data *sdata;
1172
2a519311
JB		 1173 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1174
1175 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1176 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
357303e2
JM		 1177 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1178 (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
2a519311
JB		 1179 return -EOPNOTSUPP;
1180
1181 return ieee80211_request_scan(sdata, req);
1182}
1183
636a5d36
JM		 1184static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1185 struct cfg80211_auth_request *req)
1186{
77fdaa12 1187 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1188}
1189
1190static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1191 struct cfg80211_assoc_request *req)
1192{
77fdaa12 1193 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1194}
1195
1196static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
667503dd
JB		 1197 struct cfg80211_deauth_request *req,
1198 void *cookie)
636a5d36 1199{
667503dd
JB		 1200 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1201 req, cookie);
636a5d36
JM		 1202}
1203
1204static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
667503dd
JB		 1205 struct cfg80211_disassoc_request *req,
1206 void *cookie)
636a5d36 1207{
667503dd
JB		 1208 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1209 req, cookie);
636a5d36
JM		 1210}
1211
af8cdcd8
JB		 1212static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1213 struct cfg80211_ibss_params *params)
1214{
1215 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1216
1217 return ieee80211_ibss_join(sdata, params);
1218}
1219
1220static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1221{
1222 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1223
1224 return ieee80211_ibss_leave(sdata);
1225}
1226
b9a5f8ca
JM		 1227static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1228{
1229 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 1230 int err;
b9a5f8ca 1231
310bc676
LT		 1232 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1233 err = drv_set_coverage_class(local, wiphy->coverage_class);
1234
1235 if (err)
1236 return err;
1237 }
1238
b9a5f8ca 1239 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 1240 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 1241
24487981
JB		 1242 if (err)
1243 return err;
b9a5f8ca
JM		 1244 }
1245
1246 if (changed & WIPHY_PARAM_RETRY_SHORT)
1247 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1248 if (changed & WIPHY_PARAM_RETRY_LONG)
1249 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1250 if (changed &
1251 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1252 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1253
1254 return 0;
1255}
1256
7643a2c3
JB		 1257static int ieee80211_set_tx_power(struct wiphy *wiphy,
1258 enum tx_power_setting type, int dbm)
1259{
1260 struct ieee80211_local *local = wiphy_priv(wiphy);
1261 struct ieee80211_channel *chan = local->hw.conf.channel;
1262 u32 changes = 0;
7643a2c3
JB		 1263
1264 switch (type) {
1265 case TX_POWER_AUTOMATIC:
1266 local->user_power_level = -1;
1267 break;
1268 case TX_POWER_LIMITED:
1269 if (dbm < 0)
1270 return -EINVAL;
1271 local->user_power_level = dbm;
1272 break;
1273 case TX_POWER_FIXED:
1274 if (dbm < 0)
1275 return -EINVAL;
1276 /* TODO: move to cfg80211 when it knows the channel */
1277 if (dbm > chan->max_power)
1278 return -EINVAL;
1279 local->user_power_level = dbm;
1280 break;
7643a2c3
JB		 1281 }
1282
1283 ieee80211_hw_config(local, changes);
1284
1285 return 0;
1286}
1287
1288static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1289{
1290 struct ieee80211_local *local = wiphy_priv(wiphy);
1291
1292 *dbm = local->hw.conf.power_level;
1293
7643a2c3
JB		 1294 return 0;
1295}
1296
ab737a4f
JB		 1297static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1298 u8 *addr)
1299{
1300 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1301
1302 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1303
1304 return 0;
1305}
1306
1f87f7d3
JB		 1307static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1308{
1309 struct ieee80211_local *local = wiphy_priv(wiphy);
1310
1311 drv_rfkill_poll(local);
1312}
1313
aff89a9b 1314#ifdef CONFIG_NL80211_TESTMODE
99783e2c 1315static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 1316{
1317 struct ieee80211_local *local = wiphy_priv(wiphy);
1318
1319 if (!local->ops->testmode_cmd)
1320 return -EOPNOTSUPP;
1321
1322 return local->ops->testmode_cmd(&local->hw, data, len);
1323}
1324#endif
1325
0f78231b
JB		 1326int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1327 enum ieee80211_smps_mode smps_mode)
1328{
1329 const u8 *ap;
1330 enum ieee80211_smps_mode old_req;
1331 int err;
1332
1333 old_req = sdata->u.mgd.req_smps;
1334 sdata->u.mgd.req_smps = smps_mode;
1335
1336 if (old_req == smps_mode &&
1337 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1338 return 0;
1339
1340 /*
1341 * If not associated, or current association is not an HT
1342 * association, there's no need to send an action frame.
1343 */
1344 if (!sdata->u.mgd.associated ||
1345 sdata->local->oper_channel_type == NL80211_CHAN_NO_HT) {
1346 mutex_lock(&sdata->local->iflist_mtx);
1347 ieee80211_recalc_smps(sdata->local, sdata);
1348 mutex_unlock(&sdata->local->iflist_mtx);
1349 return 0;
1350 }
1351
0c1ad2ca 1352 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB		 1353
1354 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1355 if (sdata->u.mgd.powersave)
1356 smps_mode = IEEE80211_SMPS_DYNAMIC;
1357 else
1358 smps_mode = IEEE80211_SMPS_OFF;
1359 }
1360
1361 /* send SM PS frame to AP */
1362 err = ieee80211_send_smps_action(sdata, smps_mode,
1363 ap, ap);
1364 if (err)
1365 sdata->u.mgd.req_smps = old_req;
1366
1367 return err;
1368}
1369
bc92afd9
JB		 1370static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1371 bool enabled, int timeout)
1372{
1373 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1374 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1375 struct ieee80211_conf *conf = &local->hw.conf;
1376
e5de30c9
BP		 1377 if (sdata->vif.type != NL80211_IFTYPE_STATION)
1378 return -EOPNOTSUPP;
1379
bc92afd9
JB		 1380 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1381 return -EOPNOTSUPP;
1382
1383 if (enabled == sdata->u.mgd.powersave &&
1384 timeout == conf->dynamic_ps_timeout)
1385 return 0;
1386
1387 sdata->u.mgd.powersave = enabled;
1388 conf->dynamic_ps_timeout = timeout;
1389
0f78231b
JB		 1390 /* no change, but if automatic follow powersave */
1391 mutex_lock(&sdata->u.mgd.mtx);
1392 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1393 mutex_unlock(&sdata->u.mgd.mtx);
1394
bc92afd9
JB		 1395 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1396 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1397
1398 ieee80211_recalc_ps(local, -1);
1399
1400 return 0;
1401}
1402
9930380f
JB		 1403static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1404 struct net_device *dev,
1405 const u8 *addr,
1406 const struct cfg80211_bitrate_mask *mask)
1407{
1408 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1409 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2c7e6bc9 1410 int i;
9930380f 1411
2c7e6bc9
JB		 1412 /*
1413 * This _could_ be supported by providing a hook for
1414 * drivers for this function, but at this point it
1415 * doesn't seem worth bothering.
1416 */
1417 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
1418 return -EOPNOTSUPP;
1419
9930380f 1420
37eb0b16
JM		 1421 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1422 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
9930380f 1423
37eb0b16 1424 return 0;
9930380f
JB		 1425}
1426
b8bc4b0a
JB		 1427static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1428 struct net_device *dev,
1429 struct ieee80211_channel *chan,
1430 enum nl80211_channel_type channel_type,
1431 unsigned int duration,
1432 u64 *cookie)
1433{
1434 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1435
1436 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1437 duration, cookie);
1438}
1439
1440static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1441 struct net_device *dev,
1442 u64 cookie)
1443{
1444 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1445
1446 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1447}
1448
f0706e82
JB		 1449struct cfg80211_ops mac80211_config_ops = {
1450 .add_virtual_intf = ieee80211_add_iface,
1451 .del_virtual_intf = ieee80211_del_iface,
42613db7 1452 .change_virtual_intf = ieee80211_change_iface,
e8cbb4cb
JB		 1453 .add_key = ieee80211_add_key,
1454 .del_key = ieee80211_del_key,
62da92fb 1455 .get_key = ieee80211_get_key,
e8cbb4cb 1456 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 1457 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
5dfdaf58
JB		 1458 .add_beacon = ieee80211_add_beacon,
1459 .set_beacon = ieee80211_set_beacon,
1460 .del_beacon = ieee80211_del_beacon,
4fd6931e
JB		 1461 .add_station = ieee80211_add_station,
1462 .del_station = ieee80211_del_station,
1463 .change_station = ieee80211_change_station,
7bbdd2d9 1464 .get_station = ieee80211_get_station,
c5dd9c2b
LCC		 1465 .dump_station = ieee80211_dump_station,
1466#ifdef CONFIG_MAC80211_MESH
1467 .add_mpath = ieee80211_add_mpath,
1468 .del_mpath = ieee80211_del_mpath,
1469 .change_mpath = ieee80211_change_mpath,
1470 .get_mpath = ieee80211_get_mpath,
1471 .dump_mpath = ieee80211_dump_mpath,
93da9cc1 1472 .set_mesh_params = ieee80211_set_mesh_params,
1473 .get_mesh_params = ieee80211_get_mesh_params,
c5dd9c2b 1474#endif
9f1ba906 1475 .change_bss = ieee80211_change_bss,
31888487 1476 .set_txq_params = ieee80211_set_txq_params,
72bdcf34 1477 .set_channel = ieee80211_set_channel,
665af4fc
BC		 1478 .suspend = ieee80211_suspend,
1479 .resume = ieee80211_resume,
2a519311 1480 .scan = ieee80211_scan,
636a5d36
JM		 1481 .auth = ieee80211_auth,
1482 .assoc = ieee80211_assoc,
1483 .deauth = ieee80211_deauth,
1484 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 1485 .join_ibss = ieee80211_join_ibss,
1486 .leave_ibss = ieee80211_leave_ibss,
b9a5f8ca 1487 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 1488 .set_tx_power = ieee80211_set_tx_power,
1489 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 1490 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 1491 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 1492 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
bc92afd9 1493 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 1494 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB		 1495 .remain_on_channel = ieee80211_remain_on_channel,
1496 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
f0706e82 1497};
Linux 6.x block layer and io_uring tree(s)