mac80211: remove unused type argument
[GitHub/mt8127/android_kernel_alcatel_ttab.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
73651ee6
JB
750 rcu_read_lock();
751
752 err = sta_info_insert(sta);
753 if (err) {
73651ee6
JB
754 rcu_read_unlock();
755 return err;
756 }
757
b8d476c8 758 if (layer2_update)
73651ee6
JB
759 ieee80211_send_layer2_update(sta);
760
761 rcu_read_unlock();
762
4fd6931e
JB
763 return 0;
764}
765
766static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
767 u8 *mac)
768{
14db74bc
JB
769 struct ieee80211_local *local = wiphy_priv(wiphy);
770 struct ieee80211_sub_if_data *sdata;
4fd6931e
JB
771 struct sta_info *sta;
772
14db74bc
JB
773 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
774
4fd6931e 775 if (mac) {
98dd6a57
JB
776 rcu_read_lock();
777
0e5ded5a 778 sta = sta_info_get_bss(sdata, mac);
98dd6a57
JB
779 if (!sta) {
780 rcu_read_unlock();
4fd6931e 781 return -ENOENT;
98dd6a57 782 }
4fd6931e 783
d0709a65 784 sta_info_unlink(&sta);
98dd6a57
JB
785 rcu_read_unlock();
786
4f6fab47 787 sta_info_destroy(sta);
4fd6931e 788 } else
d0709a65 789 sta_info_flush(local, sdata);
4fd6931e
JB
790
791 return 0;
792}
793
794static int ieee80211_change_station(struct wiphy *wiphy,
795 struct net_device *dev,
796 u8 *mac,
797 struct station_parameters *params)
798{
abe60632 799 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
14db74bc 800 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB
801 struct sta_info *sta;
802 struct ieee80211_sub_if_data *vlansdata;
803
98dd6a57
JB
804 rcu_read_lock();
805
0e5ded5a 806 sta = sta_info_get_bss(sdata, mac);
98dd6a57
JB
807 if (!sta) {
808 rcu_read_unlock();
4fd6931e 809 return -ENOENT;
98dd6a57 810 }
4fd6931e 811
d0709a65 812 if (params->vlan && params->vlan != sta->sdata->dev) {
4fd6931e
JB
813 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
814
05c914fe
JB
815 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
816 vlansdata->vif.type != NL80211_IFTYPE_AP) {
98dd6a57 817 rcu_read_unlock();
4fd6931e 818 return -EINVAL;
98dd6a57 819 }
4fd6931e 820
9bc383de 821 if (params->vlan->ieee80211_ptr->use_4addr) {
3305443c
JB
822 if (vlansdata->u.vlan.sta) {
823 rcu_read_unlock();
f14543ee 824 return -EBUSY;
3305443c 825 }
f14543ee
FF
826
827 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
828 }
829
14db74bc 830 sta->sdata = vlansdata;
4fd6931e
JB
831 ieee80211_send_layer2_update(sta);
832 }
833
834 sta_apply_parameters(local, sta, params);
835
98dd6a57
JB
836 rcu_read_unlock();
837
4fd6931e
JB
838 return 0;
839}
840
c5dd9c2b
LCC
841#ifdef CONFIG_MAC80211_MESH
842static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
843 u8 *dst, u8 *next_hop)
844{
14db74bc 845 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC
846 struct mesh_path *mpath;
847 struct sta_info *sta;
848 int err;
849
14db74bc
JB
850 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
851
d0709a65 852 rcu_read_lock();
abe60632 853 sta = sta_info_get(sdata, next_hop);
d0709a65
JB
854 if (!sta) {
855 rcu_read_unlock();
c5dd9c2b 856 return -ENOENT;
d0709a65 857 }
c5dd9c2b 858
f698d856 859 err = mesh_path_add(dst, sdata);
d0709a65
JB
860 if (err) {
861 rcu_read_unlock();
c5dd9c2b 862 return err;
d0709a65 863 }
c5dd9c2b 864
f698d856 865 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC
866 if (!mpath) {
867 rcu_read_unlock();
c5dd9c2b
LCC
868 return -ENXIO;
869 }
870 mesh_path_fix_nexthop(mpath, sta);
d0709a65 871
c5dd9c2b
LCC
872 rcu_read_unlock();
873 return 0;
874}
875
876static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
877 u8 *dst)
878{
f698d856
JBG
879 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
880
c5dd9c2b 881 if (dst)
f698d856 882 return mesh_path_del(dst, sdata);
c5dd9c2b 883
f698d856 884 mesh_path_flush(sdata);
c5dd9c2b
LCC
885 return 0;
886}
887
888static int ieee80211_change_mpath(struct wiphy *wiphy,
889 struct net_device *dev,
890 u8 *dst, u8 *next_hop)
891{
14db74bc 892 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC
893 struct mesh_path *mpath;
894 struct sta_info *sta;
895
14db74bc
JB
896 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
897
d0709a65
JB
898 rcu_read_lock();
899
abe60632 900 sta = sta_info_get(sdata, next_hop);
d0709a65
JB
901 if (!sta) {
902 rcu_read_unlock();
c5dd9c2b 903 return -ENOENT;
d0709a65 904 }
c5dd9c2b 905
f698d856 906 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC
907 if (!mpath) {
908 rcu_read_unlock();
c5dd9c2b
LCC
909 return -ENOENT;
910 }
911
912 mesh_path_fix_nexthop(mpath, sta);
d0709a65 913
c5dd9c2b
LCC
914 rcu_read_unlock();
915 return 0;
916}
917
918static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
919 struct mpath_info *pinfo)
920{
921 if (mpath->next_hop)
17741cdc 922 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
c5dd9c2b
LCC
923 else
924 memset(next_hop, 0, ETH_ALEN);
925
f5ea9120
JB
926 pinfo->generation = mesh_paths_generation;
927
c5dd9c2b 928 pinfo->filled = MPATH_INFO_FRAME_QLEN |
d19b3bf6 929 MPATH_INFO_SN |
c5dd9c2b
LCC
930 MPATH_INFO_METRIC |
931 MPATH_INFO_EXPTIME |
932 MPATH_INFO_DISCOVERY_TIMEOUT |
933 MPATH_INFO_DISCOVERY_RETRIES |
934 MPATH_INFO_FLAGS;
935
936 pinfo->frame_qlen = mpath->frame_queue.qlen;
d19b3bf6 937 pinfo->sn = mpath->sn;
c5dd9c2b
LCC
938 pinfo->metric = mpath->metric;
939 if (time_before(jiffies, mpath->exp_time))
940 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
941 pinfo->discovery_timeout =
942 jiffies_to_msecs(mpath->discovery_timeout);
943 pinfo->discovery_retries = mpath->discovery_retries;
944 pinfo->flags = 0;
945 if (mpath->flags & MESH_PATH_ACTIVE)
946 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
947 if (mpath->flags & MESH_PATH_RESOLVING)
948 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
d19b3bf6
RP
949 if (mpath->flags & MESH_PATH_SN_VALID)
950 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
c5dd9c2b
LCC
951 if (mpath->flags & MESH_PATH_FIXED)
952 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
953 if (mpath->flags & MESH_PATH_RESOLVING)
954 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
955
956 pinfo->flags = mpath->flags;
957}
958
959static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
960 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
961
962{
14db74bc 963 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC
964 struct mesh_path *mpath;
965
14db74bc
JB
966 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
967
c5dd9c2b 968 rcu_read_lock();
f698d856 969 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC
970 if (!mpath) {
971 rcu_read_unlock();
972 return -ENOENT;
973 }
974 memcpy(dst, mpath->dst, ETH_ALEN);
975 mpath_set_pinfo(mpath, next_hop, pinfo);
976 rcu_read_unlock();
977 return 0;
978}
979
980static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
981 int idx, u8 *dst, u8 *next_hop,
982 struct mpath_info *pinfo)
983{
14db74bc 984 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC
985 struct mesh_path *mpath;
986
14db74bc
JB
987 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
988
c5dd9c2b 989 rcu_read_lock();
f698d856 990 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC
991 if (!mpath) {
992 rcu_read_unlock();
993 return -ENOENT;
994 }
995 memcpy(dst, mpath->dst, ETH_ALEN);
996 mpath_set_pinfo(mpath, next_hop, pinfo);
997 rcu_read_unlock();
998 return 0;
999}
93da9cc1 1000
1001static int ieee80211_get_mesh_params(struct wiphy *wiphy,
1002 struct net_device *dev,
1003 struct mesh_config *conf)
1004{
1005 struct ieee80211_sub_if_data *sdata;
1006 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1007
93da9cc1 1008 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1009 return 0;
1010}
1011
1012static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1013{
1014 return (mask >> (parm-1)) & 0x1;
1015}
1016
1017static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1018 struct net_device *dev,
1019 const struct mesh_config *nconf, u32 mask)
1020{
1021 struct mesh_config *conf;
1022 struct ieee80211_sub_if_data *sdata;
63c5723b
RP
1023 struct ieee80211_if_mesh *ifmsh;
1024
93da9cc1 1025 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
63c5723b 1026 ifmsh = &sdata->u.mesh;
93da9cc1 1027
93da9cc1 1028 /* Set the config options which we are interested in setting */
1029 conf = &(sdata->u.mesh.mshcfg);
1030 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1031 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1032 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1033 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1034 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1035 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1036 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1037 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1038 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1039 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1040 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1041 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1042 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1043 conf->auto_open_plinks = nconf->auto_open_plinks;
1044 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1045 conf->dot11MeshHWMPmaxPREQretries =
1046 nconf->dot11MeshHWMPmaxPREQretries;
1047 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1048 conf->path_refresh_time = nconf->path_refresh_time;
1049 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1050 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1051 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1052 conf->dot11MeshHWMPactivePathTimeout =
1053 nconf->dot11MeshHWMPactivePathTimeout;
1054 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1055 conf->dot11MeshHWMPpreqMinInterval =
1056 nconf->dot11MeshHWMPpreqMinInterval;
1057 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1058 mask))
1059 conf->dot11MeshHWMPnetDiameterTraversalTime =
1060 nconf->dot11MeshHWMPnetDiameterTraversalTime;
63c5723b
RP
1061 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1062 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1063 ieee80211_mesh_root_setup(ifmsh);
1064 }
93da9cc1 1065 return 0;
1066}
1067
c5dd9c2b
LCC
1068#endif
1069
9f1ba906
JM
1070static int ieee80211_change_bss(struct wiphy *wiphy,
1071 struct net_device *dev,
1072 struct bss_parameters *params)
1073{
9f1ba906
JM
1074 struct ieee80211_sub_if_data *sdata;
1075 u32 changed = 0;
1076
9f1ba906
JM
1077 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1078
9f1ba906 1079 if (params->use_cts_prot >= 0) {
bda3933a 1080 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM
1081 changed |= BSS_CHANGED_ERP_CTS_PROT;
1082 }
1083 if (params->use_short_preamble >= 0) {
bda3933a 1084 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM
1085 params->use_short_preamble;
1086 changed |= BSS_CHANGED_ERP_PREAMBLE;
1087 }
1088 if (params->use_short_slot_time >= 0) {
bda3933a 1089 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM
1090 params->use_short_slot_time;
1091 changed |= BSS_CHANGED_ERP_SLOT;
1092 }
1093
90c97a04
JM
1094 if (params->basic_rates) {
1095 int i, j;
1096 u32 rates = 0;
1097 struct ieee80211_local *local = wiphy_priv(wiphy);
1098 struct ieee80211_supported_band *sband =
1099 wiphy->bands[local->oper_channel->band];
1100
1101 for (i = 0; i < params->basic_rates_len; i++) {
1102 int rate = (params->basic_rates[i] & 0x7f) * 5;
1103 for (j = 0; j < sband->n_bitrates; j++) {
1104 if (sband->bitrates[j].bitrate == rate)
1105 rates |= BIT(j);
1106 }
1107 }
1108 sdata->vif.bss_conf.basic_rates = rates;
1109 changed |= BSS_CHANGED_BASIC_RATES;
1110 }
1111
9f1ba906
JM
1112 ieee80211_bss_info_change_notify(sdata, changed);
1113
1114 return 0;
1115}
1116
31888487
JM
1117static int ieee80211_set_txq_params(struct wiphy *wiphy,
1118 struct ieee80211_txq_params *params)
1119{
1120 struct ieee80211_local *local = wiphy_priv(wiphy);
1121 struct ieee80211_tx_queue_params p;
1122
1123 if (!local->ops->conf_tx)
1124 return -EOPNOTSUPP;
1125
1126 memset(&p, 0, sizeof(p));
1127 p.aifs = params->aifs;
1128 p.cw_max = params->cwmax;
1129 p.cw_min = params->cwmin;
1130 p.txop = params->txop;
24487981 1131 if (drv_conf_tx(local, params->queue, &p)) {
31888487 1132 printk(KERN_DEBUG "%s: failed to set TX queue "
0bffe40f
JB
1133 "parameters for queue %d\n",
1134 wiphy_name(local->hw.wiphy), params->queue);
31888487
JM
1135 return -EINVAL;
1136 }
1137
1138 return 0;
1139}
1140
72bdcf34
JM
1141static int ieee80211_set_channel(struct wiphy *wiphy,
1142 struct ieee80211_channel *chan,
094d05dc 1143 enum nl80211_channel_type channel_type)
72bdcf34
JM
1144{
1145 struct ieee80211_local *local = wiphy_priv(wiphy);
1146
1147 local->oper_channel = chan;
094d05dc 1148 local->oper_channel_type = channel_type;
72bdcf34
JM
1149
1150 return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1151}
1152
665af4fc
BC
1153#ifdef CONFIG_PM
1154static int ieee80211_suspend(struct wiphy *wiphy)
1155{
1156 return __ieee80211_suspend(wiphy_priv(wiphy));
1157}
1158
1159static int ieee80211_resume(struct wiphy *wiphy)
1160{
1161 return __ieee80211_resume(wiphy_priv(wiphy));
1162}
1163#else
1164#define ieee80211_suspend NULL
1165#define ieee80211_resume NULL
1166#endif
1167
2a519311
JB
1168static int ieee80211_scan(struct wiphy *wiphy,
1169 struct net_device *dev,
1170 struct cfg80211_scan_request *req)
1171{
1172 struct ieee80211_sub_if_data *sdata;
1173
2a519311
JB
1174 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1175
1176 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1177 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
357303e2
JM
1178 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1179 (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
2a519311
JB
1180 return -EOPNOTSUPP;
1181
1182 return ieee80211_request_scan(sdata, req);
1183}
1184
636a5d36
JM
1185static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1186 struct cfg80211_auth_request *req)
1187{
77fdaa12 1188 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM
1189}
1190
1191static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1192 struct cfg80211_assoc_request *req)
1193{
77fdaa12 1194 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM
1195}
1196
1197static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
667503dd
JB
1198 struct cfg80211_deauth_request *req,
1199 void *cookie)
636a5d36 1200{
667503dd
JB
1201 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1202 req, cookie);
636a5d36
JM
1203}
1204
1205static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
667503dd
JB
1206 struct cfg80211_disassoc_request *req,
1207 void *cookie)
636a5d36 1208{
667503dd
JB
1209 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1210 req, cookie);
636a5d36
JM
1211}
1212
af8cdcd8
JB
1213static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1214 struct cfg80211_ibss_params *params)
1215{
1216 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1217
1218 return ieee80211_ibss_join(sdata, params);
1219}
1220
1221static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1222{
1223 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1224
1225 return ieee80211_ibss_leave(sdata);
1226}
1227
b9a5f8ca
JM
1228static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1229{
1230 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 1231 int err;
b9a5f8ca 1232
310bc676
LT
1233 if (changed & WIPHY_PARAM_COVERAGE_CLASS) {
1234 err = drv_set_coverage_class(local, wiphy->coverage_class);
1235
1236 if (err)
1237 return err;
1238 }
1239
b9a5f8ca 1240 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 1241 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 1242
24487981
JB
1243 if (err)
1244 return err;
b9a5f8ca
JM
1245 }
1246
1247 if (changed & WIPHY_PARAM_RETRY_SHORT)
1248 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1249 if (changed & WIPHY_PARAM_RETRY_LONG)
1250 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1251 if (changed &
1252 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1253 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1254
1255 return 0;
1256}
1257
7643a2c3
JB
1258static int ieee80211_set_tx_power(struct wiphy *wiphy,
1259 enum tx_power_setting type, int dbm)
1260{
1261 struct ieee80211_local *local = wiphy_priv(wiphy);
1262 struct ieee80211_channel *chan = local->hw.conf.channel;
1263 u32 changes = 0;
7643a2c3
JB
1264
1265 switch (type) {
1266 case TX_POWER_AUTOMATIC:
1267 local->user_power_level = -1;
1268 break;
1269 case TX_POWER_LIMITED:
1270 if (dbm < 0)
1271 return -EINVAL;
1272 local->user_power_level = dbm;
1273 break;
1274 case TX_POWER_FIXED:
1275 if (dbm < 0)
1276 return -EINVAL;
1277 /* TODO: move to cfg80211 when it knows the channel */
1278 if (dbm > chan->max_power)
1279 return -EINVAL;
1280 local->user_power_level = dbm;
1281 break;
7643a2c3
JB
1282 }
1283
1284 ieee80211_hw_config(local, changes);
1285
1286 return 0;
1287}
1288
1289static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1290{
1291 struct ieee80211_local *local = wiphy_priv(wiphy);
1292
1293 *dbm = local->hw.conf.power_level;
1294
7643a2c3
JB
1295 return 0;
1296}
1297
ab737a4f
JB
1298static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1299 u8 *addr)
1300{
1301 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1302
1303 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1304
1305 return 0;
1306}
1307
1f87f7d3
JB
1308static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1309{
1310 struct ieee80211_local *local = wiphy_priv(wiphy);
1311
1312 drv_rfkill_poll(local);
1313}
1314
aff89a9b 1315#ifdef CONFIG_NL80211_TESTMODE
99783e2c 1316static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB
1317{
1318 struct ieee80211_local *local = wiphy_priv(wiphy);
1319
1320 if (!local->ops->testmode_cmd)
1321 return -EOPNOTSUPP;
1322
1323 return local->ops->testmode_cmd(&local->hw, data, len);
1324}
1325#endif
1326
0f78231b
JB
1327int __ieee80211_request_smps(struct ieee80211_sub_if_data *sdata,
1328 enum ieee80211_smps_mode smps_mode)
1329{
1330 const u8 *ap;
1331 enum ieee80211_smps_mode old_req;
1332 int err;
1333
1334 old_req = sdata->u.mgd.req_smps;
1335 sdata->u.mgd.req_smps = smps_mode;
1336
1337 if (old_req == smps_mode &&
1338 smps_mode != IEEE80211_SMPS_AUTOMATIC)
1339 return 0;
1340
1341 /*
1342 * If not associated, or current association is not an HT
1343 * association, there's no need to send an action frame.
1344 */
1345 if (!sdata->u.mgd.associated ||
1346 sdata->local->oper_channel_type == NL80211_CHAN_NO_HT) {
1347 mutex_lock(&sdata->local->iflist_mtx);
1348 ieee80211_recalc_smps(sdata->local, sdata);
1349 mutex_unlock(&sdata->local->iflist_mtx);
1350 return 0;
1351 }
1352
0c1ad2ca 1353 ap = sdata->u.mgd.associated->bssid;
0f78231b
JB
1354
1355 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
1356 if (sdata->u.mgd.powersave)
1357 smps_mode = IEEE80211_SMPS_DYNAMIC;
1358 else
1359 smps_mode = IEEE80211_SMPS_OFF;
1360 }
1361
1362 /* send SM PS frame to AP */
1363 err = ieee80211_send_smps_action(sdata, smps_mode,
1364 ap, ap);
1365 if (err)
1366 sdata->u.mgd.req_smps = old_req;
1367
1368 return err;
1369}
1370
bc92afd9
JB
1371static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1372 bool enabled, int timeout)
1373{
1374 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1375 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1376 struct ieee80211_conf *conf = &local->hw.conf;
1377
1378 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1379 return -EOPNOTSUPP;
1380
1381 if (enabled == sdata->u.mgd.powersave &&
1382 timeout == conf->dynamic_ps_timeout)
1383 return 0;
1384
1385 sdata->u.mgd.powersave = enabled;
1386 conf->dynamic_ps_timeout = timeout;
1387
0f78231b
JB
1388 /* no change, but if automatic follow powersave */
1389 mutex_lock(&sdata->u.mgd.mtx);
1390 __ieee80211_request_smps(sdata, sdata->u.mgd.req_smps);
1391 mutex_unlock(&sdata->u.mgd.mtx);
1392
bc92afd9
JB
1393 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1394 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1395
1396 ieee80211_recalc_ps(local, -1);
1397
1398 return 0;
1399}
1400
9930380f
JB
1401static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1402 struct net_device *dev,
1403 const u8 *addr,
1404 const struct cfg80211_bitrate_mask *mask)
1405{
1406 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1407 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2c7e6bc9 1408 int i;
9930380f 1409
2c7e6bc9
JB
1410 /*
1411 * This _could_ be supported by providing a hook for
1412 * drivers for this function, but at this point it
1413 * doesn't seem worth bothering.
1414 */
1415 if (local->hw.flags & IEEE80211_HW_HAS_RATE_CONTROL)
1416 return -EOPNOTSUPP;
1417
9930380f 1418
37eb0b16
JM
1419 for (i = 0; i < IEEE80211_NUM_BANDS; i++)
1420 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
9930380f 1421
37eb0b16 1422 return 0;
9930380f
JB
1423}
1424
b8bc4b0a
JB
1425static int ieee80211_remain_on_channel(struct wiphy *wiphy,
1426 struct net_device *dev,
1427 struct ieee80211_channel *chan,
1428 enum nl80211_channel_type channel_type,
1429 unsigned int duration,
1430 u64 *cookie)
1431{
1432 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1433
1434 return ieee80211_wk_remain_on_channel(sdata, chan, channel_type,
1435 duration, cookie);
1436}
1437
1438static int ieee80211_cancel_remain_on_channel(struct wiphy *wiphy,
1439 struct net_device *dev,
1440 u64 cookie)
1441{
1442 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1443
1444 return ieee80211_wk_cancel_remain_on_channel(sdata, cookie);
1445}
1446
f0706e82
JB
1447struct cfg80211_ops mac80211_config_ops = {
1448 .add_virtual_intf = ieee80211_add_iface,
1449 .del_virtual_intf = ieee80211_del_iface,
42613db7 1450 .change_virtual_intf = ieee80211_change_iface,
e8cbb4cb
JB
1451 .add_key = ieee80211_add_key,
1452 .del_key = ieee80211_del_key,
62da92fb 1453 .get_key = ieee80211_get_key,
e8cbb4cb 1454 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 1455 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
5dfdaf58
JB
1456 .add_beacon = ieee80211_add_beacon,
1457 .set_beacon = ieee80211_set_beacon,
1458 .del_beacon = ieee80211_del_beacon,
4fd6931e
JB
1459 .add_station = ieee80211_add_station,
1460 .del_station = ieee80211_del_station,
1461 .change_station = ieee80211_change_station,
7bbdd2d9 1462 .get_station = ieee80211_get_station,
c5dd9c2b
LCC
1463 .dump_station = ieee80211_dump_station,
1464#ifdef CONFIG_MAC80211_MESH
1465 .add_mpath = ieee80211_add_mpath,
1466 .del_mpath = ieee80211_del_mpath,
1467 .change_mpath = ieee80211_change_mpath,
1468 .get_mpath = ieee80211_get_mpath,
1469 .dump_mpath = ieee80211_dump_mpath,
93da9cc1 1470 .set_mesh_params = ieee80211_set_mesh_params,
1471 .get_mesh_params = ieee80211_get_mesh_params,
c5dd9c2b 1472#endif
9f1ba906 1473 .change_bss = ieee80211_change_bss,
31888487 1474 .set_txq_params = ieee80211_set_txq_params,
72bdcf34 1475 .set_channel = ieee80211_set_channel,
665af4fc
BC
1476 .suspend = ieee80211_suspend,
1477 .resume = ieee80211_resume,
2a519311 1478 .scan = ieee80211_scan,
636a5d36
JM
1479 .auth = ieee80211_auth,
1480 .assoc = ieee80211_assoc,
1481 .deauth = ieee80211_deauth,
1482 .disassoc = ieee80211_disassoc,
af8cdcd8
JB
1483 .join_ibss = ieee80211_join_ibss,
1484 .leave_ibss = ieee80211_leave_ibss,
b9a5f8ca 1485 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB
1486 .set_tx_power = ieee80211_set_tx_power,
1487 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 1488 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 1489 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 1490 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
bc92afd9 1491 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 1492 .set_bitrate_mask = ieee80211_set_bitrate_mask,
b8bc4b0a
JB
1493 .remain_on_channel = ieee80211_remain_on_channel,
1494 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
f0706e82 1495};