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ath9k: Use beacon interval directly
[linux-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"
e0eb6859 16#include "cfg.h"
2c8dccc7 17#include "rate.h"
c5dd9c2b 18#include "mesh.h"
c5dd9c2b 19
05c914fe 20static bool nl80211_type_check(enum nl80211_iftype type)
42613db7
JB		 21{
22 switch (type) {
42613db7 23 case NL80211_IFTYPE_ADHOC:
42613db7 24 case NL80211_IFTYPE_STATION:
42613db7 25 case NL80211_IFTYPE_MONITOR:
c5dd9c2b
LCC		 26#ifdef CONFIG_MAC80211_MESH
27 case NL80211_IFTYPE_MESH_POINT:
c5dd9c2b 28#endif
fbf18927
JM		 29 case NL80211_IFTYPE_AP:
30 case NL80211_IFTYPE_AP_VLAN:
b454048c 31 case NL80211_IFTYPE_WDS:
05c914fe 32 return true;
42613db7 33 default:
05c914fe 34 return false;
42613db7
JB		 35 }
36}
37
f0706e82 38static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
2ec600d6
LCC		 39 enum nl80211_iftype type, u32 *flags,
40 struct vif_params *params)
f0706e82
JB		 41{
42 struct ieee80211_local *local = wiphy_priv(wiphy);
8cc9a739
MW		 43 struct net_device *dev;
44 struct ieee80211_sub_if_data *sdata;
45 int err;
f0706e82 46
05c914fe 47 if (!nl80211_type_check(type))
f0706e82 48 return -EINVAL;
f0706e82 49
05c914fe
JB		 50 err = ieee80211_if_add(local, name, &dev, type, params);
51 if (err || type != NL80211_IFTYPE_MONITOR || !flags)
8cc9a739
MW		 52 return err;
53
54 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
55 sdata->u.mntr_flags = *flags;
56 return 0;
f0706e82
JB		 57}
58
59static int ieee80211_del_iface(struct wiphy *wiphy, int ifindex)
60{
f0706e82 61 struct net_device *dev;
f698d856 62 struct ieee80211_sub_if_data *sdata;
f0706e82 63
42613db7
JB		 64 /* we're under RTNL */
65 dev = __dev_get_by_index(&init_net, ifindex);
f0706e82 66 if (!dev)
75636525 67 return -ENODEV;
f0706e82 68
f698d856
JBG		 69 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
70
71 ieee80211_if_remove(sdata);
f0706e82 72
75636525 73 return 0;
f0706e82
JB		 74}
75
42613db7 76static int ieee80211_change_iface(struct wiphy *wiphy, int ifindex,
2ec600d6
LCC		 77 enum nl80211_iftype type, u32 *flags,
78 struct vif_params *params)
42613db7 79{
42613db7 80 struct net_device *dev;
42613db7 81 struct ieee80211_sub_if_data *sdata;
f3947e2d 82 int ret;
42613db7 83
42613db7
JB		 84 /* we're under RTNL */
85 dev = __dev_get_by_index(&init_net, ifindex);
86 if (!dev)
87 return -ENODEV;
88
05c914fe 89 if (!nl80211_type_check(type))
42613db7
JB		 90 return -EINVAL;
91
92 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
93
05c914fe 94 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 95 if (ret)
96 return ret;
42613db7 97
f8b25cda
JB		 98 if (netif_running(sdata->dev))
99 return -EBUSY;
100
902acc78 101 if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
472dbc45
JB		 102 ieee80211_sdata_set_mesh_id(sdata,
103 params->mesh_id_len,
104 params->mesh_id);
c5dd9c2b 105
05c914fe 106 if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
8cc9a739
MW		 107 return 0;
108
109 sdata->u.mntr_flags = *flags;
42613db7
JB		 110 return 0;
111}
112
e8cbb4cb
JB		 113static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
114 u8 key_idx, u8 *mac_addr,
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
db4d1169
JB		 143 key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key);
144 if (!key)
145 return -ENOMEM;
146
3b96766f
JB		 147 rcu_read_lock();
148
e8cbb4cb
JB		 149 if (mac_addr) {
150 sta = sta_info_get(sdata->local, mac_addr);
db4d1169
JB		 151 if (!sta) {
152 ieee80211_key_free(key);
3b96766f
JB		 153 err = -ENOENT;
154 goto out_unlock;
db4d1169 155 }
e8cbb4cb
JB		 156 }
157
db4d1169
JB		 158 ieee80211_key_link(key, sdata, sta);
159
3b96766f
JB		 160 err = 0;
161 out_unlock:
162 rcu_read_unlock();
163
164 return err;
e8cbb4cb
JB		 165}
166
167static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
168 u8 key_idx, u8 *mac_addr)
169{
170 struct ieee80211_sub_if_data *sdata;
171 struct sta_info *sta;
172 int ret;
173
174 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
175
3b96766f
JB		 176 rcu_read_lock();
177
e8cbb4cb 178 if (mac_addr) {
3b96766f
JB		 179 ret = -ENOENT;
180
e8cbb4cb
JB		 181 sta = sta_info_get(sdata->local, mac_addr);
182 if (!sta)
3b96766f 183 goto out_unlock;
e8cbb4cb 184
db4d1169 185 if (sta->key) {
d0709a65 186 ieee80211_key_free(sta->key);
db4d1169 187 WARN_ON(sta->key);
3b96766f
JB		 188 ret = 0;
189 }
e8cbb4cb 190
3b96766f 191 goto out_unlock;
e8cbb4cb
JB		 192 }
193
3b96766f
JB		 194 if (!sdata->keys[key_idx]) {
195 ret = -ENOENT;
196 goto out_unlock;
197 }
e8cbb4cb 198
d0709a65 199 ieee80211_key_free(sdata->keys[key_idx]);
db4d1169 200 WARN_ON(sdata->keys[key_idx]);
e8cbb4cb 201
3b96766f
JB		 202 ret = 0;
203 out_unlock:
204 rcu_read_unlock();
205
206 return ret;
e8cbb4cb
JB		 207}
208
62da92fb
JB		 209static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
210 u8 key_idx, u8 *mac_addr, void *cookie,
211 void (*callback)(void *cookie,
212 struct key_params *params))
213{
14db74bc 214 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 215 struct sta_info *sta = NULL;
216 u8 seq[6] = {0};
217 struct key_params params;
218 struct ieee80211_key *key;
219 u32 iv32;
220 u16 iv16;
221 int err = -ENOENT;
222
14db74bc
JB		 223 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
224
3b96766f
JB		 225 rcu_read_lock();
226
62da92fb
JB		 227 if (mac_addr) {
228 sta = sta_info_get(sdata->local, mac_addr);
229 if (!sta)
230 goto out;
231
232 key = sta->key;
233 } else
234 key = sdata->keys[key_idx];
235
236 if (!key)
237 goto out;
238
239 memset(&params, 0, sizeof(params));
240
241 switch (key->conf.alg) {
242 case ALG_TKIP:
243 params.cipher = WLAN_CIPHER_SUITE_TKIP;
244
b0f76b33
HH		 245 iv32 = key->u.tkip.tx.iv32;
246 iv16 = key->u.tkip.tx.iv16;
62da92fb
JB		 247
248 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
249 sdata->local->ops->get_tkip_seq)
250 sdata->local->ops->get_tkip_seq(
251 local_to_hw(sdata->local),
252 key->conf.hw_key_idx,
253 &iv32, &iv16);
254
255 seq[0] = iv16 & 0xff;
256 seq[1] = (iv16 >> 8) & 0xff;
257 seq[2] = iv32 & 0xff;
258 seq[3] = (iv32 >> 8) & 0xff;
259 seq[4] = (iv32 >> 16) & 0xff;
260 seq[5] = (iv32 >> 24) & 0xff;
261 params.seq = seq;
262 params.seq_len = 6;
263 break;
264 case ALG_CCMP:
265 params.cipher = WLAN_CIPHER_SUITE_CCMP;
266 seq[0] = key->u.ccmp.tx_pn[5];
267 seq[1] = key->u.ccmp.tx_pn[4];
268 seq[2] = key->u.ccmp.tx_pn[3];
269 seq[3] = key->u.ccmp.tx_pn[2];
270 seq[4] = key->u.ccmp.tx_pn[1];
271 seq[5] = key->u.ccmp.tx_pn[0];
272 params.seq = seq;
273 params.seq_len = 6;
274 break;
275 case ALG_WEP:
276 if (key->conf.keylen == 5)
277 params.cipher = WLAN_CIPHER_SUITE_WEP40;
278 else
279 params.cipher = WLAN_CIPHER_SUITE_WEP104;
280 break;
3cfcf6ac
JM		 281 case ALG_AES_CMAC:
282 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
283 seq[0] = key->u.aes_cmac.tx_pn[5];
284 seq[1] = key->u.aes_cmac.tx_pn[4];
285 seq[2] = key->u.aes_cmac.tx_pn[3];
286 seq[3] = key->u.aes_cmac.tx_pn[2];
287 seq[4] = key->u.aes_cmac.tx_pn[1];
288 seq[5] = key->u.aes_cmac.tx_pn[0];
289 params.seq = seq;
290 params.seq_len = 6;
291 break;
62da92fb
JB		 292 }
293
294 params.key = key->conf.key;
295 params.key_len = key->conf.keylen;
296
297 callback(cookie, &params);
298 err = 0;
299
300 out:
3b96766f 301 rcu_read_unlock();
62da92fb
JB		 302 return err;
303}
304
e8cbb4cb
JB		 305static int ieee80211_config_default_key(struct wiphy *wiphy,
306 struct net_device *dev,
307 u8 key_idx)
308{
309 struct ieee80211_sub_if_data *sdata;
310
3b96766f
JB		 311 rcu_read_lock();
312
e8cbb4cb
JB		 313 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
314 ieee80211_set_default_key(sdata, key_idx);
315
3b96766f
JB		 316 rcu_read_unlock();
317
e8cbb4cb
JB		 318 return 0;
319}
320
3cfcf6ac
JM		 321static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
322 struct net_device *dev,
323 u8 key_idx)
324{
325 struct ieee80211_sub_if_data *sdata;
326
327 rcu_read_lock();
328
329 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
330 ieee80211_set_default_mgmt_key(sdata, key_idx);
331
332 rcu_read_unlock();
333
334 return 0;
335}
336
c5dd9c2b
LCC		 337static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
338{
d0709a65 339 struct ieee80211_sub_if_data *sdata = sta->sdata;
c5dd9c2b
LCC		 340
341 sinfo->filled = STATION_INFO_INACTIVE_TIME |
342 STATION_INFO_RX_BYTES |
420e7fab
HR		 343 STATION_INFO_TX_BYTES |
344 STATION_INFO_TX_BITRATE;
c5dd9c2b
LCC		 345
346 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
347 sinfo->rx_bytes = sta->rx_bytes;
348 sinfo->tx_bytes = sta->tx_bytes;
349
420e7fab
HR		 350 if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
351 sinfo->filled |= STATION_INFO_SIGNAL;
352 sinfo->signal = (s8)sta->last_signal;
353 }
354
355 sinfo->txrate.flags = 0;
356 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
357 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
358 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
359 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
360 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
361 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
362
363 if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
364 struct ieee80211_supported_band *sband;
365 sband = sta->local->hw.wiphy->bands[
366 sta->local->hw.conf.channel->band];
367 sinfo->txrate.legacy =
368 sband->bitrates[sta->last_tx_rate.idx].bitrate;
369 } else
370 sinfo->txrate.mcs = sta->last_tx_rate.idx;
371
902acc78 372 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 373#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 374 sinfo->filled |= STATION_INFO_LLID |
375 STATION_INFO_PLID |
376 STATION_INFO_PLINK_STATE;
377
378 sinfo->llid = le16_to_cpu(sta->llid);
379 sinfo->plid = le16_to_cpu(sta->plid);
380 sinfo->plink_state = sta->plink_state;
c5dd9c2b 381#endif
902acc78 382 }
c5dd9c2b
LCC		 383}
384
385
386static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
387 int idx, u8 *mac, struct station_info *sinfo)
388{
389 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
390 struct sta_info *sta;
d0709a65
JB		 391 int ret = -ENOENT;
392
393 rcu_read_lock();
c5dd9c2b
LCC		 394
395 sta = sta_info_get_by_idx(local, idx, dev);
d0709a65
JB		 396 if (sta) {
397 ret = 0;
17741cdc 398 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 399 sta_set_sinfo(sta, sinfo);
400 }
c5dd9c2b 401
d0709a65 402 rcu_read_unlock();
c5dd9c2b 403
d0709a65 404 return ret;
c5dd9c2b
LCC		 405}
406
7bbdd2d9 407static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 408 u8 *mac, struct station_info *sinfo)
7bbdd2d9
JB		 409{
410 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
411 struct sta_info *sta;
d0709a65 412 int ret = -ENOENT;
7bbdd2d9 413
d0709a65 414 rcu_read_lock();
7bbdd2d9
JB		 415
416 /* XXX: verify sta->dev == dev */
7bbdd2d9 417
d0709a65
JB		 418 sta = sta_info_get(local, mac);
419 if (sta) {
420 ret = 0;
421 sta_set_sinfo(sta, sinfo);
422 }
423
424 rcu_read_unlock();
425
426 return ret;
7bbdd2d9
JB		 427}
428
5dfdaf58
JB		 429/*
430 * This handles both adding a beacon and setting new beacon info
431 */
432static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
433 struct beacon_parameters *params)
434{
435 struct beacon_data *new, *old;
436 int new_head_len, new_tail_len;
437 int size;
438 int err = -EINVAL;
439
440 old = sdata->u.ap.beacon;
441
442 /* head must not be zero-length */
443 if (params->head && !params->head_len)
444 return -EINVAL;
445
446 /*
447 * This is a kludge. beacon interval should really be part
448 * of the beacon information.
449 */
450 if (params->interval) {
451 sdata->local->hw.conf.beacon_int = params->interval;
447107fb
RC		 452 err = ieee80211_hw_config(sdata->local,
453 IEEE80211_CONF_CHANGE_BEACON_INTERVAL);
454 if (err < 0)
455 return err;
5dfdaf58
JB		 456 /*
457 * We updated some parameter so if below bails out
458 * it's not an error.
459 */
460 err = 0;
461 }
462
463 /* Need to have a beacon head if we don't have one yet */
464 if (!params->head && !old)
465 return err;
466
467 /* sorry, no way to start beaconing without dtim period */
468 if (!params->dtim_period && !old)
469 return err;
470
471 /* new or old head? */
472 if (params->head)
473 new_head_len = params->head_len;
474 else
475 new_head_len = old->head_len;
476
477 /* new or old tail? */
478 if (params->tail || !old)
479 /* params->tail_len will be zero for !params->tail */
480 new_tail_len = params->tail_len;
481 else
482 new_tail_len = old->tail_len;
483
484 size = sizeof(*new) + new_head_len + new_tail_len;
485
486 new = kzalloc(size, GFP_KERNEL);
487 if (!new)
488 return -ENOMEM;
489
490 /* start filling the new info now */
491
492 /* new or old dtim period? */
493 if (params->dtim_period)
494 new->dtim_period = params->dtim_period;
495 else
496 new->dtim_period = old->dtim_period;
497
498 /*
499 * pointers go into the block we allocated,
500 * memory is | beacon_data | head | tail |
501 */
502 new->head = ((u8 *) new) + sizeof(*new);
503 new->tail = new->head + new_head_len;
504 new->head_len = new_head_len;
505 new->tail_len = new_tail_len;
506
507 /* copy in head */
508 if (params->head)
509 memcpy(new->head, params->head, new_head_len);
510 else
511 memcpy(new->head, old->head, new_head_len);
512
513 /* copy in optional tail */
514 if (params->tail)
515 memcpy(new->tail, params->tail, new_tail_len);
516 else
517 if (old)
518 memcpy(new->tail, old->tail, new_tail_len);
519
520 rcu_assign_pointer(sdata->u.ap.beacon, new);
521
522 synchronize_rcu();
523
524 kfree(old);
525
078e1e60
JB		 526 return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON |
527 IEEE80211_IFCC_BEACON_ENABLED);
5dfdaf58
JB		 528}
529
530static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
531 struct beacon_parameters *params)
532{
14db74bc 533 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 534 struct beacon_data *old;
535
14db74bc
JB		 536 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
537
05c914fe 538 if (sdata->vif.type != NL80211_IFTYPE_AP)
5dfdaf58
JB		 539 return -EINVAL;
540
541 old = sdata->u.ap.beacon;
542
543 if (old)
544 return -EALREADY;
545
546 return ieee80211_config_beacon(sdata, params);
547}
548
549static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
550 struct beacon_parameters *params)
551{
14db74bc 552 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 553 struct beacon_data *old;
554
14db74bc
JB		 555 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
556
05c914fe 557 if (sdata->vif.type != NL80211_IFTYPE_AP)
5dfdaf58
JB		 558 return -EINVAL;
559
560 old = sdata->u.ap.beacon;
561
562 if (!old)
563 return -ENOENT;
564
565 return ieee80211_config_beacon(sdata, params);
566}
567
568static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
569{
14db74bc 570 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 571 struct beacon_data *old;
572
14db74bc
JB		 573 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
574
05c914fe 575 if (sdata->vif.type != NL80211_IFTYPE_AP)
5dfdaf58
JB		 576 return -EINVAL;
577
578 old = sdata->u.ap.beacon;
579
580 if (!old)
581 return -ENOENT;
582
583 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
584 synchronize_rcu();
585 kfree(old);
586
078e1e60 587 return ieee80211_if_config(sdata, IEEE80211_IFCC_BEACON_ENABLED);
5dfdaf58
JB		 588}
589
4fd6931e
JB		 590/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
591struct iapp_layer2_update {
592 u8 da[ETH_ALEN]; /* broadcast */
593 u8 sa[ETH_ALEN]; /* STA addr */
594 __be16 len; /* 6 */
595 u8 dsap; /* 0 */
596 u8 ssap; /* 0 */
597 u8 control;
598 u8 xid_info[3];
599} __attribute__ ((packed));
600
601static void ieee80211_send_layer2_update(struct sta_info *sta)
602{
603 struct iapp_layer2_update *msg;
604 struct sk_buff *skb;
605
606 /* Send Level 2 Update Frame to update forwarding tables in layer 2
607 * bridge devices */
608
609 skb = dev_alloc_skb(sizeof(*msg));
610 if (!skb)
611 return;
612 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
613
614 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
615 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
616
617 memset(msg->da, 0xff, ETH_ALEN);
17741cdc 618 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 619 msg->len = htons(6);
620 msg->dsap = 0;
621 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
622 msg->control = 0xaf; /* XID response lsb.1111F101.
623 * F=0 (no poll command; unsolicited frame) */
624 msg->xid_info[0] = 0x81; /* XID format identifier */
625 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
626 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
627
d0709a65
JB		 628 skb->dev = sta->sdata->dev;
629 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e
JB		 630 memset(skb->cb, 0, sizeof(skb->cb));
631 netif_rx(skb);
632}
633
634static void sta_apply_parameters(struct ieee80211_local *local,
635 struct sta_info *sta,
636 struct station_parameters *params)
637{
638 u32 rates;
639 int i, j;
8318d78a 640 struct ieee80211_supported_band *sband;
d0709a65 641 struct ieee80211_sub_if_data *sdata = sta->sdata;
4fd6931e 642
ae5eb026
JB		 643 sband = local->hw.wiphy->bands[local->oper_channel->band];
644
73651ee6
JB		 645 /*
646 * FIXME: updating the flags is racy when this function is
647 * called from ieee80211_change_station(), this will
648 * be resolved in a future patch.
649 */
650
4fd6931e 651 if (params->station_flags & STATION_FLAG_CHANGED) {
07346f81 652 spin_lock_bh(&sta->lock);
4fd6931e
JB		 653 sta->flags &= ~WLAN_STA_AUTHORIZED;
654 if (params->station_flags & STATION_FLAG_AUTHORIZED)
655 sta->flags |= WLAN_STA_AUTHORIZED;
656
657 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
658 if (params->station_flags & STATION_FLAG_SHORT_PREAMBLE)
659 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
660
661 sta->flags &= ~WLAN_STA_WME;
662 if (params->station_flags & STATION_FLAG_WME)
663 sta->flags |= WLAN_STA_WME;
5394af4d
JM		 664
665 sta->flags &= ~WLAN_STA_MFP;
666 if (params->station_flags & STATION_FLAG_MFP)
667 sta->flags |= WLAN_STA_MFP;
07346f81 668 spin_unlock_bh(&sta->lock);
4fd6931e
JB		 669 }
670
73651ee6
JB		 671 /*
672 * FIXME: updating the following information is racy when this
673 * function is called from ieee80211_change_station().
674 * However, all this information should be static so
675 * maybe we should just reject attemps to change it.
676 */
677
4fd6931e 678 if (params->aid) {
17741cdc
JB		 679 sta->sta.aid = params->aid;
680 if (sta->sta.aid > IEEE80211_MAX_AID)
681 sta->sta.aid = 0; /* XXX: should this be an error? */
4fd6931e
JB		 682 }
683
684 if (params->listen_interval >= 0)
685 sta->listen_interval = params->listen_interval;
686
687 if (params->supported_rates) {
688 rates = 0;
8318d78a 689
4fd6931e
JB		 690 for (i = 0; i < params->supported_rates_len; i++) {
691 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 692 for (j = 0; j < sband->n_bitrates; j++) {
693 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 694 rates |= BIT(j);
695 }
696 }
323ce79a 697 sta->sta.supp_rates[local->oper_channel->band] = rates;
4fd6931e 698 }
c5dd9c2b 699
d9fe60de 700 if (params->ht_capa)
ae5eb026
JB		 701 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
702 params->ht_capa,
d9fe60de 703 &sta->sta.ht_cap);
36aedc90 704
902acc78 705 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
c5dd9c2b
LCC		 706 switch (params->plink_action) {
707 case PLINK_ACTION_OPEN:
708 mesh_plink_open(sta);
709 break;
710 case PLINK_ACTION_BLOCK:
711 mesh_plink_block(sta);
712 break;
713 }
902acc78 714 }
4fd6931e
JB		 715}
716
717static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
718 u8 *mac, struct station_parameters *params)
719{
14db74bc 720 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 721 struct sta_info *sta;
722 struct ieee80211_sub_if_data *sdata;
73651ee6 723 int err;
b8d476c8 724 int layer2_update;
4fd6931e
JB		 725
726 /* Prevent a race with changing the rate control algorithm */
727 if (!netif_running(dev))
728 return -ENETDOWN;
729
4fd6931e
JB		 730 if (params->vlan) {
731 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
732
05c914fe
JB		 733 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
734 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 735 return -EINVAL;
736 } else
737 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
738
03e4497e
JB		 739 if (compare_ether_addr(mac, dev->dev_addr) == 0)
740 return -EINVAL;
741
742 if (is_multicast_ether_addr(mac))
743 return -EINVAL;
744
745 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 746 if (!sta)
747 return -ENOMEM;
4fd6931e
JB		 748
749 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
750
751 sta_apply_parameters(local, sta, params);
752
4b7679a5 753 rate_control_rate_init(sta);
4fd6931e 754
b8d476c8
JM		 755 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
756 sdata->vif.type == NL80211_IFTYPE_AP;
757
73651ee6
JB		 758 rcu_read_lock();
759
760 err = sta_info_insert(sta);
761 if (err) {
93e5deb1 762 /* STA has been freed */
b8d476c8
JM		 763 if (err == -EEXIST && layer2_update) {
764 /* Need to update layer 2 devices on reassociation */
765 sta = sta_info_get(local, mac);
766 if (sta)
767 ieee80211_send_layer2_update(sta);
768 }
73651ee6
JB		 769 rcu_read_unlock();
770 return err;
771 }
772
b8d476c8 773 if (layer2_update)
73651ee6
JB		 774 ieee80211_send_layer2_update(sta);
775
776 rcu_read_unlock();
777
4fd6931e
JB		 778 return 0;
779}
780
781static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
782 u8 *mac)
783{
14db74bc
JB		 784 struct ieee80211_local *local = wiphy_priv(wiphy);
785 struct ieee80211_sub_if_data *sdata;
4fd6931e
JB		 786 struct sta_info *sta;
787
14db74bc
JB		 788 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
789
4fd6931e 790 if (mac) {
98dd6a57
JB		 791 rcu_read_lock();
792
4fd6931e
JB		 793 /* XXX: get sta belonging to dev */
794 sta = sta_info_get(local, mac);
98dd6a57
JB		 795 if (!sta) {
796 rcu_read_unlock();
4fd6931e 797 return -ENOENT;
98dd6a57 798 }
4fd6931e 799
d0709a65 800 sta_info_unlink(&sta);
98dd6a57
JB		 801 rcu_read_unlock();
802
4f6fab47 803 sta_info_destroy(sta);
4fd6931e 804 } else
d0709a65 805 sta_info_flush(local, sdata);
4fd6931e
JB		 806
807 return 0;
808}
809
810static int ieee80211_change_station(struct wiphy *wiphy,
811 struct net_device *dev,
812 u8 *mac,
813 struct station_parameters *params)
814{
14db74bc 815 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 816 struct sta_info *sta;
817 struct ieee80211_sub_if_data *vlansdata;
818
98dd6a57
JB		 819 rcu_read_lock();
820
4fd6931e
JB		 821 /* XXX: get sta belonging to dev */
822 sta = sta_info_get(local, mac);
98dd6a57
JB		 823 if (!sta) {
824 rcu_read_unlock();
4fd6931e 825 return -ENOENT;
98dd6a57 826 }
4fd6931e 827
d0709a65 828 if (params->vlan && params->vlan != sta->sdata->dev) {
4fd6931e
JB		 829 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
830
05c914fe
JB		 831 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
832 vlansdata->vif.type != NL80211_IFTYPE_AP) {
98dd6a57 833 rcu_read_unlock();
4fd6931e 834 return -EINVAL;
98dd6a57 835 }
4fd6931e 836
14db74bc 837 sta->sdata = vlansdata;
4fd6931e
JB		 838 ieee80211_send_layer2_update(sta);
839 }
840
841 sta_apply_parameters(local, sta, params);
842
98dd6a57
JB		 843 rcu_read_unlock();
844
4fd6931e
JB		 845 return 0;
846}
847
c5dd9c2b
LCC		 848#ifdef CONFIG_MAC80211_MESH
849static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
850 u8 *dst, u8 *next_hop)
851{
14db74bc
JB		 852 struct ieee80211_local *local = wiphy_priv(wiphy);
853 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 854 struct mesh_path *mpath;
855 struct sta_info *sta;
856 int err;
857
858 if (!netif_running(dev))
859 return -ENETDOWN;
860
14db74bc
JB		 861 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
862
05c914fe 863 if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
c5dd9c2b
LCC		 864 return -ENOTSUPP;
865
d0709a65 866 rcu_read_lock();
c5dd9c2b 867 sta = sta_info_get(local, next_hop);
d0709a65
JB		 868 if (!sta) {
869 rcu_read_unlock();
c5dd9c2b 870 return -ENOENT;
d0709a65 871 }
c5dd9c2b 872
f698d856 873 err = mesh_path_add(dst, sdata);
d0709a65
JB		 874 if (err) {
875 rcu_read_unlock();
c5dd9c2b 876 return err;
d0709a65 877 }
c5dd9c2b 878
f698d856 879 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 880 if (!mpath) {
881 rcu_read_unlock();
c5dd9c2b
LCC		 882 return -ENXIO;
883 }
884 mesh_path_fix_nexthop(mpath, sta);
d0709a65 885
c5dd9c2b
LCC		 886 rcu_read_unlock();
887 return 0;
888}
889
890static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
891 u8 *dst)
892{
f698d856
JBG		 893 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
894
c5dd9c2b 895 if (dst)
f698d856 896 return mesh_path_del(dst, sdata);
c5dd9c2b 897
f698d856 898 mesh_path_flush(sdata);
c5dd9c2b
LCC		 899 return 0;
900}
901
902static int ieee80211_change_mpath(struct wiphy *wiphy,
903 struct net_device *dev,
904 u8 *dst, u8 *next_hop)
905{
14db74bc
JB		 906 struct ieee80211_local *local = wiphy_priv(wiphy);
907 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 908 struct mesh_path *mpath;
909 struct sta_info *sta;
910
911 if (!netif_running(dev))
912 return -ENETDOWN;
913
14db74bc
JB		 914 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
915
05c914fe 916 if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
c5dd9c2b
LCC		 917 return -ENOTSUPP;
918
d0709a65
JB		 919 rcu_read_lock();
920
c5dd9c2b 921 sta = sta_info_get(local, next_hop);
d0709a65
JB		 922 if (!sta) {
923 rcu_read_unlock();
c5dd9c2b 924 return -ENOENT;
d0709a65 925 }
c5dd9c2b 926
f698d856 927 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 928 if (!mpath) {
929 rcu_read_unlock();
c5dd9c2b
LCC		 930 return -ENOENT;
931 }
932
933 mesh_path_fix_nexthop(mpath, sta);
d0709a65 934
c5dd9c2b
LCC		 935 rcu_read_unlock();
936 return 0;
937}
938
939static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
940 struct mpath_info *pinfo)
941{
942 if (mpath->next_hop)
17741cdc 943 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 944 else
945 memset(next_hop, 0, ETH_ALEN);
946
947 pinfo->filled = MPATH_INFO_FRAME_QLEN |
948 MPATH_INFO_DSN |
949 MPATH_INFO_METRIC |
950 MPATH_INFO_EXPTIME |
951 MPATH_INFO_DISCOVERY_TIMEOUT |
952 MPATH_INFO_DISCOVERY_RETRIES |
953 MPATH_INFO_FLAGS;
954
955 pinfo->frame_qlen = mpath->frame_queue.qlen;
956 pinfo->dsn = mpath->dsn;
957 pinfo->metric = mpath->metric;
958 if (time_before(jiffies, mpath->exp_time))
959 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
960 pinfo->discovery_timeout =
961 jiffies_to_msecs(mpath->discovery_timeout);
962 pinfo->discovery_retries = mpath->discovery_retries;
963 pinfo->flags = 0;
964 if (mpath->flags & MESH_PATH_ACTIVE)
965 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
966 if (mpath->flags & MESH_PATH_RESOLVING)
967 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
968 if (mpath->flags & MESH_PATH_DSN_VALID)
969 pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID;
970 if (mpath->flags & MESH_PATH_FIXED)
971 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
972 if (mpath->flags & MESH_PATH_RESOLVING)
973 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
974
975 pinfo->flags = mpath->flags;
976}
977
978static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
979 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
980
981{
14db74bc 982 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 983 struct mesh_path *mpath;
984
14db74bc
JB		 985 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
986
05c914fe 987 if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
c5dd9c2b
LCC		 988 return -ENOTSUPP;
989
990 rcu_read_lock();
f698d856 991 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 992 if (!mpath) {
993 rcu_read_unlock();
994 return -ENOENT;
995 }
996 memcpy(dst, mpath->dst, ETH_ALEN);
997 mpath_set_pinfo(mpath, next_hop, pinfo);
998 rcu_read_unlock();
999 return 0;
1000}
1001
1002static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1003 int idx, u8 *dst, u8 *next_hop,
1004 struct mpath_info *pinfo)
1005{
14db74bc 1006 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 1007 struct mesh_path *mpath;
1008
14db74bc
JB		 1009 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1010
05c914fe 1011 if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
c5dd9c2b
LCC		 1012 return -ENOTSUPP;
1013
1014 rcu_read_lock();
f698d856 1015 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 1016 if (!mpath) {
1017 rcu_read_unlock();
1018 return -ENOENT;
1019 }
1020 memcpy(dst, mpath->dst, ETH_ALEN);
1021 mpath_set_pinfo(mpath, next_hop, pinfo);
1022 rcu_read_unlock();
1023 return 0;
1024}
93da9cc1 1025
1026static int ieee80211_get_mesh_params(struct wiphy *wiphy,
1027 struct net_device *dev,
1028 struct mesh_config *conf)
1029{
1030 struct ieee80211_sub_if_data *sdata;
1031 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1032
1033 if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
1034 return -ENOTSUPP;
1035 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1036 return 0;
1037}
1038
1039static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1040{
1041 return (mask >> (parm-1)) & 0x1;
1042}
1043
1044static int ieee80211_set_mesh_params(struct wiphy *wiphy,
1045 struct net_device *dev,
1046 const struct mesh_config *nconf, u32 mask)
1047{
1048 struct mesh_config *conf;
1049 struct ieee80211_sub_if_data *sdata;
1050 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1051
1052 if (sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
1053 return -ENOTSUPP;
1054
1055 /* Set the config options which we are interested in setting */
1056 conf = &(sdata->u.mesh.mshcfg);
1057 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1058 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1059 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1060 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1061 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1062 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1063 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1064 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1065 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1066 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1067 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1068 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1069 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1070 conf->auto_open_plinks = nconf->auto_open_plinks;
1071 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1072 conf->dot11MeshHWMPmaxPREQretries =
1073 nconf->dot11MeshHWMPmaxPREQretries;
1074 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1075 conf->path_refresh_time = nconf->path_refresh_time;
1076 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1077 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1078 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1079 conf->dot11MeshHWMPactivePathTimeout =
1080 nconf->dot11MeshHWMPactivePathTimeout;
1081 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1082 conf->dot11MeshHWMPpreqMinInterval =
1083 nconf->dot11MeshHWMPpreqMinInterval;
1084 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1085 mask))
1086 conf->dot11MeshHWMPnetDiameterTraversalTime =
1087 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1088 return 0;
1089}
1090
c5dd9c2b
LCC		 1091#endif
1092
9f1ba906
JM		 1093static int ieee80211_change_bss(struct wiphy *wiphy,
1094 struct net_device *dev,
1095 struct bss_parameters *params)
1096{
9f1ba906
JM		 1097 struct ieee80211_sub_if_data *sdata;
1098 u32 changed = 0;
1099
9f1ba906
JM		 1100 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1101
05c914fe 1102 if (sdata->vif.type != NL80211_IFTYPE_AP)
9f1ba906
JM		 1103 return -EINVAL;
1104
1105 if (params->use_cts_prot >= 0) {
bda3933a 1106 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1107 changed |= BSS_CHANGED_ERP_CTS_PROT;
1108 }
1109 if (params->use_short_preamble >= 0) {
bda3933a 1110 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1111 params->use_short_preamble;
1112 changed |= BSS_CHANGED_ERP_PREAMBLE;
1113 }
1114 if (params->use_short_slot_time >= 0) {
bda3933a 1115 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1116 params->use_short_slot_time;
1117 changed |= BSS_CHANGED_ERP_SLOT;
1118 }
1119
90c97a04
JM		 1120 if (params->basic_rates) {
1121 int i, j;
1122 u32 rates = 0;
1123 struct ieee80211_local *local = wiphy_priv(wiphy);
1124 struct ieee80211_supported_band *sband =
1125 wiphy->bands[local->oper_channel->band];
1126
1127 for (i = 0; i < params->basic_rates_len; i++) {
1128 int rate = (params->basic_rates[i] & 0x7f) * 5;
1129 for (j = 0; j < sband->n_bitrates; j++) {
1130 if (sband->bitrates[j].bitrate == rate)
1131 rates |= BIT(j);
1132 }
1133 }
1134 sdata->vif.bss_conf.basic_rates = rates;
1135 changed |= BSS_CHANGED_BASIC_RATES;
1136 }
1137
9f1ba906
JM		 1138 ieee80211_bss_info_change_notify(sdata, changed);
1139
1140 return 0;
1141}
1142
31888487
JM		 1143static int ieee80211_set_txq_params(struct wiphy *wiphy,
1144 struct ieee80211_txq_params *params)
1145{
1146 struct ieee80211_local *local = wiphy_priv(wiphy);
1147 struct ieee80211_tx_queue_params p;
1148
1149 if (!local->ops->conf_tx)
1150 return -EOPNOTSUPP;
1151
1152 memset(&p, 0, sizeof(p));
1153 p.aifs = params->aifs;
1154 p.cw_max = params->cwmax;
1155 p.cw_min = params->cwmin;
1156 p.txop = params->txop;
1157 if (local->ops->conf_tx(local_to_hw(local), params->queue, &p)) {
1158 printk(KERN_DEBUG "%s: failed to set TX queue "
1159 "parameters for queue %d\n", local->mdev->name,
1160 params->queue);
1161 return -EINVAL;
1162 }
1163
1164 return 0;
1165}
1166
72bdcf34
JM		 1167static int ieee80211_set_channel(struct wiphy *wiphy,
1168 struct ieee80211_channel *chan,
094d05dc 1169 enum nl80211_channel_type channel_type)
72bdcf34
JM		 1170{
1171 struct ieee80211_local *local = wiphy_priv(wiphy);
1172
1173 local->oper_channel = chan;
094d05dc 1174 local->oper_channel_type = channel_type;
72bdcf34
JM		 1175
1176 return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1177}
1178
60b22511
JB		 1179static int set_mgmt_extra_ie_sta(struct ieee80211_sub_if_data *sdata,
1180 u8 subtype, u8 *ies, size_t ies_len)
9aed3cc1 1181{
60b22511 1182 struct ieee80211_local *local = sdata->local;
46900298 1183 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
60b22511 1184
9aed3cc1
JM		 1185 switch (subtype) {
1186 case IEEE80211_STYPE_PROBE_REQ >> 4:
60b22511
JB		 1187 if (local->ops->hw_scan)
1188 break;
46900298
JB		 1189 kfree(ifmgd->ie_probereq);
1190 ifmgd->ie_probereq = ies;
1191 ifmgd->ie_probereq_len = ies_len;
9aed3cc1
JM		 1192 return 0;
1193 case IEEE80211_STYPE_PROBE_RESP >> 4:
46900298
JB		 1194 kfree(ifmgd->ie_proberesp);
1195 ifmgd->ie_proberesp = ies;
1196 ifmgd->ie_proberesp_len = ies_len;
9aed3cc1
JM		 1197 return 0;
1198 case IEEE80211_STYPE_AUTH >> 4:
46900298
JB		 1199 kfree(ifmgd->ie_auth);
1200 ifmgd->ie_auth = ies;
1201 ifmgd->ie_auth_len = ies_len;
9aed3cc1
JM		 1202 return 0;
1203 case IEEE80211_STYPE_ASSOC_REQ >> 4:
46900298
JB		 1204 kfree(ifmgd->ie_assocreq);
1205 ifmgd->ie_assocreq = ies;
1206 ifmgd->ie_assocreq_len = ies_len;
9aed3cc1
JM		 1207 return 0;
1208 case IEEE80211_STYPE_REASSOC_REQ >> 4:
46900298
JB		 1209 kfree(ifmgd->ie_reassocreq);
1210 ifmgd->ie_reassocreq = ies;
1211 ifmgd->ie_reassocreq_len = ies_len;
9aed3cc1
JM		 1212 return 0;
1213 case IEEE80211_STYPE_DEAUTH >> 4:
46900298
JB		 1214 kfree(ifmgd->ie_deauth);
1215 ifmgd->ie_deauth = ies;
1216 ifmgd->ie_deauth_len = ies_len;
9aed3cc1
JM		 1217 return 0;
1218 case IEEE80211_STYPE_DISASSOC >> 4:
46900298
JB		 1219 kfree(ifmgd->ie_disassoc);
1220 ifmgd->ie_disassoc = ies;
1221 ifmgd->ie_disassoc_len = ies_len;
9aed3cc1
JM		 1222 return 0;
1223 }
1224
1225 return -EOPNOTSUPP;
1226}
1227
1228static int ieee80211_set_mgmt_extra_ie(struct wiphy *wiphy,
1229 struct net_device *dev,
1230 struct mgmt_extra_ie_params *params)
1231{
1232 struct ieee80211_sub_if_data *sdata;
1233 u8 *ies;
1234 size_t ies_len;
1235 int ret = -EOPNOTSUPP;
1236
1237 if (params->ies) {
1238 ies = kmemdup(params->ies, params->ies_len, GFP_KERNEL);
1239 if (ies == NULL)
1240 return -ENOMEM;
1241 ies_len = params->ies_len;
1242 } else {
1243 ies = NULL;
1244 ies_len = 0;
1245 }
1246
1247 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1248
1249 switch (sdata->vif.type) {
1250 case NL80211_IFTYPE_STATION:
60b22511 1251 ret = set_mgmt_extra_ie_sta(sdata, params->subtype,
9aed3cc1
JM		 1252 ies, ies_len);
1253 break;
1254 default:
1255 ret = -EOPNOTSUPP;
1256 break;
1257 }
1258
1259 if (ret)
1260 kfree(ies);
1261 return ret;
1262}
1263
665af4fc
BC		 1264#ifdef CONFIG_PM
1265static int ieee80211_suspend(struct wiphy *wiphy)
1266{
1267 return __ieee80211_suspend(wiphy_priv(wiphy));
1268}
1269
1270static int ieee80211_resume(struct wiphy *wiphy)
1271{
1272 return __ieee80211_resume(wiphy_priv(wiphy));
1273}
1274#else
1275#define ieee80211_suspend NULL
1276#define ieee80211_resume NULL
1277#endif
1278
2a519311
JB		 1279static int ieee80211_scan(struct wiphy *wiphy,
1280 struct net_device *dev,
1281 struct cfg80211_scan_request *req)
1282{
1283 struct ieee80211_sub_if_data *sdata;
1284
1285 if (!netif_running(dev))
1286 return -ENETDOWN;
1287
1288 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1289
1290 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1291 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
1292 sdata->vif.type != NL80211_IFTYPE_MESH_POINT)
1293 return -EOPNOTSUPP;
1294
1295 return ieee80211_request_scan(sdata, req);
1296}
1297
f0706e82
JB		 1298struct cfg80211_ops mac80211_config_ops = {
1299 .add_virtual_intf = ieee80211_add_iface,
1300 .del_virtual_intf = ieee80211_del_iface,
42613db7 1301 .change_virtual_intf = ieee80211_change_iface,
e8cbb4cb
JB		 1302 .add_key = ieee80211_add_key,
1303 .del_key = ieee80211_del_key,
62da92fb 1304 .get_key = ieee80211_get_key,
e8cbb4cb 1305 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 1306 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
5dfdaf58
JB		 1307 .add_beacon = ieee80211_add_beacon,
1308 .set_beacon = ieee80211_set_beacon,
1309 .del_beacon = ieee80211_del_beacon,
4fd6931e
JB		 1310 .add_station = ieee80211_add_station,
1311 .del_station = ieee80211_del_station,
1312 .change_station = ieee80211_change_station,
7bbdd2d9 1313 .get_station = ieee80211_get_station,
c5dd9c2b
LCC		 1314 .dump_station = ieee80211_dump_station,
1315#ifdef CONFIG_MAC80211_MESH
1316 .add_mpath = ieee80211_add_mpath,
1317 .del_mpath = ieee80211_del_mpath,
1318 .change_mpath = ieee80211_change_mpath,
1319 .get_mpath = ieee80211_get_mpath,
1320 .dump_mpath = ieee80211_dump_mpath,
93da9cc1 1321 .set_mesh_params = ieee80211_set_mesh_params,
1322 .get_mesh_params = ieee80211_get_mesh_params,
c5dd9c2b 1323#endif
9f1ba906 1324 .change_bss = ieee80211_change_bss,
31888487 1325 .set_txq_params = ieee80211_set_txq_params,
72bdcf34 1326 .set_channel = ieee80211_set_channel,
9aed3cc1 1327 .set_mgmt_extra_ie = ieee80211_set_mgmt_extra_ie,
665af4fc
BC		 1328 .suspend = ieee80211_suspend,
1329 .resume = ieee80211_resume,
2a519311 1330 .scan = ieee80211_scan,
f0706e82 1331};
Linux 6.x block layer and io_uring tree(s)