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nl80211: add a parameter for using 4-address frames on virtual interfaces
[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
f0706e82 39static int ieee80211_add_iface(struct wiphy *wiphy, char *name,
2ec600d6
LCC		 40 enum nl80211_iftype type, u32 *flags,
41 struct vif_params *params)
f0706e82
JB		 42{
43 struct ieee80211_local *local = wiphy_priv(wiphy);
8cc9a739
MW		 44 struct net_device *dev;
45 struct ieee80211_sub_if_data *sdata;
46 int err;
f0706e82 47
05c914fe 48 if (!nl80211_type_check(type))
f0706e82 49 return -EINVAL;
f0706e82 50
05c914fe
JB		 51 err = ieee80211_if_add(local, name, &dev, type, params);
52 if (err || type != NL80211_IFTYPE_MONITOR || !flags)
8cc9a739
MW		 53 return err;
54
55 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
56 sdata->u.mntr_flags = *flags;
57 return 0;
f0706e82
JB		 58}
59
463d0183 60static int ieee80211_del_iface(struct wiphy *wiphy, struct net_device *dev)
f0706e82 61{
463d0183 62 ieee80211_if_remove(IEEE80211_DEV_TO_SUB_IF(dev));
f0706e82 63
75636525 64 return 0;
f0706e82
JB		 65}
66
e36d56b6
JB		 67static int ieee80211_change_iface(struct wiphy *wiphy,
68 struct net_device *dev,
2ec600d6
LCC		 69 enum nl80211_iftype type, u32 *flags,
70 struct vif_params *params)
42613db7 71{
42613db7 72 struct ieee80211_sub_if_data *sdata;
f3947e2d 73 int ret;
42613db7 74
c1f9a764
JB		 75 if (netif_running(dev))
76 return -EBUSY;
77
05c914fe 78 if (!nl80211_type_check(type))
42613db7
JB		 79 return -EINVAL;
80
81 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
82
05c914fe 83 ret = ieee80211_if_change_type(sdata, type);
f3947e2d
JB		 84 if (ret)
85 return ret;
42613db7 86
902acc78 87 if (ieee80211_vif_is_mesh(&sdata->vif) && params->mesh_id_len)
472dbc45
JB		 88 ieee80211_sdata_set_mesh_id(sdata,
89 params->mesh_id_len,
90 params->mesh_id);
c5dd9c2b 91
05c914fe 92 if (sdata->vif.type != NL80211_IFTYPE_MONITOR || !flags)
8cc9a739
MW		 93 return 0;
94
95 sdata->u.mntr_flags = *flags;
42613db7
JB		 96 return 0;
97}
98
e8cbb4cb 99static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
4e943900 100 u8 key_idx, const u8 *mac_addr,
e8cbb4cb
JB		 101 struct key_params *params)
102{
103 struct ieee80211_sub_if_data *sdata;
104 struct sta_info *sta = NULL;
105 enum ieee80211_key_alg alg;
db4d1169 106 struct ieee80211_key *key;
3b96766f 107 int err;
e8cbb4cb
JB		 108
109 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
110
111 switch (params->cipher) {
112 case WLAN_CIPHER_SUITE_WEP40:
113 case WLAN_CIPHER_SUITE_WEP104:
114 alg = ALG_WEP;
115 break;
116 case WLAN_CIPHER_SUITE_TKIP:
117 alg = ALG_TKIP;
118 break;
119 case WLAN_CIPHER_SUITE_CCMP:
120 alg = ALG_CCMP;
121 break;
3cfcf6ac
JM		 122 case WLAN_CIPHER_SUITE_AES_CMAC:
123 alg = ALG_AES_CMAC;
124 break;
e8cbb4cb
JB		 125 default:
126 return -EINVAL;
127 }
128
faa8fdc8
JM		 129 key = ieee80211_key_alloc(alg, key_idx, params->key_len, params->key,
130 params->seq_len, params->seq);
db4d1169
JB		 131 if (!key)
132 return -ENOMEM;
133
3b96766f
JB		 134 rcu_read_lock();
135
e8cbb4cb
JB		 136 if (mac_addr) {
137 sta = sta_info_get(sdata->local, mac_addr);
db4d1169
JB		 138 if (!sta) {
139 ieee80211_key_free(key);
3b96766f
JB		 140 err = -ENOENT;
141 goto out_unlock;
db4d1169 142 }
e8cbb4cb
JB		 143 }
144
db4d1169
JB		 145 ieee80211_key_link(key, sdata, sta);
146
3b96766f
JB		 147 err = 0;
148 out_unlock:
149 rcu_read_unlock();
150
151 return err;
e8cbb4cb
JB		 152}
153
154static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
4e943900 155 u8 key_idx, const u8 *mac_addr)
e8cbb4cb
JB		 156{
157 struct ieee80211_sub_if_data *sdata;
158 struct sta_info *sta;
159 int ret;
160
161 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
162
3b96766f
JB		 163 rcu_read_lock();
164
e8cbb4cb 165 if (mac_addr) {
3b96766f
JB		 166 ret = -ENOENT;
167
e8cbb4cb
JB		 168 sta = sta_info_get(sdata->local, mac_addr);
169 if (!sta)
3b96766f 170 goto out_unlock;
e8cbb4cb 171
db4d1169 172 if (sta->key) {
d0709a65 173 ieee80211_key_free(sta->key);
db4d1169 174 WARN_ON(sta->key);
3b96766f
JB		 175 ret = 0;
176 }
e8cbb4cb 177
3b96766f 178 goto out_unlock;
e8cbb4cb
JB		 179 }
180
3b96766f
JB		 181 if (!sdata->keys[key_idx]) {
182 ret = -ENOENT;
183 goto out_unlock;
184 }
e8cbb4cb 185
d0709a65 186 ieee80211_key_free(sdata->keys[key_idx]);
db4d1169 187 WARN_ON(sdata->keys[key_idx]);
e8cbb4cb 188
3b96766f
JB		 189 ret = 0;
190 out_unlock:
191 rcu_read_unlock();
192
193 return ret;
e8cbb4cb
JB		 194}
195
62da92fb 196static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
4e943900 197 u8 key_idx, const u8 *mac_addr, void *cookie,
62da92fb
JB		 198 void (*callback)(void *cookie,
199 struct key_params *params))
200{
14db74bc 201 struct ieee80211_sub_if_data *sdata;
62da92fb
JB		 202 struct sta_info *sta = NULL;
203 u8 seq[6] = {0};
204 struct key_params params;
205 struct ieee80211_key *key;
206 u32 iv32;
207 u16 iv16;
208 int err = -ENOENT;
209
14db74bc
JB		 210 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
211
3b96766f
JB		 212 rcu_read_lock();
213
62da92fb
JB		 214 if (mac_addr) {
215 sta = sta_info_get(sdata->local, mac_addr);
216 if (!sta)
217 goto out;
218
219 key = sta->key;
220 } else
221 key = sdata->keys[key_idx];
222
223 if (!key)
224 goto out;
225
226 memset(&params, 0, sizeof(params));
227
228 switch (key->conf.alg) {
229 case ALG_TKIP:
230 params.cipher = WLAN_CIPHER_SUITE_TKIP;
231
b0f76b33
HH		 232 iv32 = key->u.tkip.tx.iv32;
233 iv16 = key->u.tkip.tx.iv16;
62da92fb 234
24487981
JB		 235 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE)
236 drv_get_tkip_seq(sdata->local,
237 key->conf.hw_key_idx,
238 &iv32, &iv16);
62da92fb
JB		 239
240 seq[0] = iv16 & 0xff;
241 seq[1] = (iv16 >> 8) & 0xff;
242 seq[2] = iv32 & 0xff;
243 seq[3] = (iv32 >> 8) & 0xff;
244 seq[4] = (iv32 >> 16) & 0xff;
245 seq[5] = (iv32 >> 24) & 0xff;
246 params.seq = seq;
247 params.seq_len = 6;
248 break;
249 case ALG_CCMP:
250 params.cipher = WLAN_CIPHER_SUITE_CCMP;
251 seq[0] = key->u.ccmp.tx_pn[5];
252 seq[1] = key->u.ccmp.tx_pn[4];
253 seq[2] = key->u.ccmp.tx_pn[3];
254 seq[3] = key->u.ccmp.tx_pn[2];
255 seq[4] = key->u.ccmp.tx_pn[1];
256 seq[5] = key->u.ccmp.tx_pn[0];
257 params.seq = seq;
258 params.seq_len = 6;
259 break;
260 case ALG_WEP:
261 if (key->conf.keylen == 5)
262 params.cipher = WLAN_CIPHER_SUITE_WEP40;
263 else
264 params.cipher = WLAN_CIPHER_SUITE_WEP104;
265 break;
3cfcf6ac
JM		 266 case ALG_AES_CMAC:
267 params.cipher = WLAN_CIPHER_SUITE_AES_CMAC;
268 seq[0] = key->u.aes_cmac.tx_pn[5];
269 seq[1] = key->u.aes_cmac.tx_pn[4];
270 seq[2] = key->u.aes_cmac.tx_pn[3];
271 seq[3] = key->u.aes_cmac.tx_pn[2];
272 seq[4] = key->u.aes_cmac.tx_pn[1];
273 seq[5] = key->u.aes_cmac.tx_pn[0];
274 params.seq = seq;
275 params.seq_len = 6;
276 break;
62da92fb
JB		 277 }
278
279 params.key = key->conf.key;
280 params.key_len = key->conf.keylen;
281
282 callback(cookie, &params);
283 err = 0;
284
285 out:
3b96766f 286 rcu_read_unlock();
62da92fb
JB		 287 return err;
288}
289
e8cbb4cb
JB		 290static int ieee80211_config_default_key(struct wiphy *wiphy,
291 struct net_device *dev,
292 u8 key_idx)
293{
294 struct ieee80211_sub_if_data *sdata;
295
3b96766f
JB		 296 rcu_read_lock();
297
e8cbb4cb
JB		 298 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
299 ieee80211_set_default_key(sdata, key_idx);
300
3b96766f
JB		 301 rcu_read_unlock();
302
e8cbb4cb
JB		 303 return 0;
304}
305
3cfcf6ac
JM		 306static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
307 struct net_device *dev,
308 u8 key_idx)
309{
310 struct ieee80211_sub_if_data *sdata;
311
312 rcu_read_lock();
313
314 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
315 ieee80211_set_default_mgmt_key(sdata, key_idx);
316
317 rcu_read_unlock();
318
319 return 0;
320}
321
c5dd9c2b
LCC		 322static void sta_set_sinfo(struct sta_info *sta, struct station_info *sinfo)
323{
d0709a65 324 struct ieee80211_sub_if_data *sdata = sta->sdata;
c5dd9c2b 325
f5ea9120
JB		 326 sinfo->generation = sdata->local->sta_generation;
327
c5dd9c2b
LCC		 328 sinfo->filled = STATION_INFO_INACTIVE_TIME |
329 STATION_INFO_RX_BYTES |
420e7fab 330 STATION_INFO_TX_BYTES |
98c8a60a
JM		 331 STATION_INFO_RX_PACKETS |
332 STATION_INFO_TX_PACKETS |
420e7fab 333 STATION_INFO_TX_BITRATE;
c5dd9c2b
LCC		 334
335 sinfo->inactive_time = jiffies_to_msecs(jiffies - sta->last_rx);
336 sinfo->rx_bytes = sta->rx_bytes;
337 sinfo->tx_bytes = sta->tx_bytes;
98c8a60a
JM		 338 sinfo->rx_packets = sta->rx_packets;
339 sinfo->tx_packets = sta->tx_packets;
c5dd9c2b 340
420e7fab
HR		 341 if (sta->local->hw.flags & IEEE80211_HW_SIGNAL_DBM) {
342 sinfo->filled |= STATION_INFO_SIGNAL;
343 sinfo->signal = (s8)sta->last_signal;
344 }
345
346 sinfo->txrate.flags = 0;
347 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)
348 sinfo->txrate.flags |= RATE_INFO_FLAGS_MCS;
349 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
350 sinfo->txrate.flags |= RATE_INFO_FLAGS_40_MHZ_WIDTH;
351 if (sta->last_tx_rate.flags & IEEE80211_TX_RC_SHORT_GI)
352 sinfo->txrate.flags |= RATE_INFO_FLAGS_SHORT_GI;
353
354 if (!(sta->last_tx_rate.flags & IEEE80211_TX_RC_MCS)) {
355 struct ieee80211_supported_band *sband;
356 sband = sta->local->hw.wiphy->bands[
357 sta->local->hw.conf.channel->band];
358 sinfo->txrate.legacy =
359 sband->bitrates[sta->last_tx_rate.idx].bitrate;
360 } else
361 sinfo->txrate.mcs = sta->last_tx_rate.idx;
362
902acc78 363 if (ieee80211_vif_is_mesh(&sdata->vif)) {
c5dd9c2b 364#ifdef CONFIG_MAC80211_MESH
c5dd9c2b
LCC		 365 sinfo->filled |= STATION_INFO_LLID |
366 STATION_INFO_PLID |
367 STATION_INFO_PLINK_STATE;
368
369 sinfo->llid = le16_to_cpu(sta->llid);
370 sinfo->plid = le16_to_cpu(sta->plid);
371 sinfo->plink_state = sta->plink_state;
c5dd9c2b 372#endif
902acc78 373 }
c5dd9c2b
LCC		 374}
375
376
377static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
378 int idx, u8 *mac, struct station_info *sinfo)
379{
380 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
381 struct sta_info *sta;
d0709a65
JB		 382 int ret = -ENOENT;
383
384 rcu_read_lock();
c5dd9c2b
LCC		 385
386 sta = sta_info_get_by_idx(local, idx, dev);
d0709a65
JB		 387 if (sta) {
388 ret = 0;
17741cdc 389 memcpy(mac, sta->sta.addr, ETH_ALEN);
d0709a65
JB		 390 sta_set_sinfo(sta, sinfo);
391 }
c5dd9c2b 392
d0709a65 393 rcu_read_unlock();
c5dd9c2b 394
d0709a65 395 return ret;
c5dd9c2b
LCC		 396}
397
7bbdd2d9 398static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
2ec600d6 399 u8 *mac, struct station_info *sinfo)
7bbdd2d9
JB		 400{
401 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
402 struct sta_info *sta;
d0709a65 403 int ret = -ENOENT;
7bbdd2d9 404
d0709a65 405 rcu_read_lock();
7bbdd2d9
JB		 406
407 /* XXX: verify sta->dev == dev */
7bbdd2d9 408
d0709a65
JB		 409 sta = sta_info_get(local, mac);
410 if (sta) {
411 ret = 0;
412 sta_set_sinfo(sta, sinfo);
413 }
414
415 rcu_read_unlock();
416
417 return ret;
7bbdd2d9
JB		 418}
419
5dfdaf58
JB		 420/*
421 * This handles both adding a beacon and setting new beacon info
422 */
423static int ieee80211_config_beacon(struct ieee80211_sub_if_data *sdata,
424 struct beacon_parameters *params)
425{
426 struct beacon_data *new, *old;
427 int new_head_len, new_tail_len;
428 int size;
429 int err = -EINVAL;
430
431 old = sdata->u.ap.beacon;
432
433 /* head must not be zero-length */
434 if (params->head && !params->head_len)
435 return -EINVAL;
436
437 /*
438 * This is a kludge. beacon interval should really be part
439 * of the beacon information.
440 */
57c4d7b4
JB		 441 if (params->interval &&
442 (sdata->vif.bss_conf.beacon_int != params->interval)) {
443 sdata->vif.bss_conf.beacon_int = params->interval;
444 ieee80211_bss_info_change_notify(sdata,
445 BSS_CHANGED_BEACON_INT);
5dfdaf58
JB		 446 }
447
448 /* Need to have a beacon head if we don't have one yet */
449 if (!params->head && !old)
450 return err;
451
452 /* sorry, no way to start beaconing without dtim period */
453 if (!params->dtim_period && !old)
454 return err;
455
456 /* new or old head? */
457 if (params->head)
458 new_head_len = params->head_len;
459 else
460 new_head_len = old->head_len;
461
462 /* new or old tail? */
463 if (params->tail || !old)
464 /* params->tail_len will be zero for !params->tail */
465 new_tail_len = params->tail_len;
466 else
467 new_tail_len = old->tail_len;
468
469 size = sizeof(*new) + new_head_len + new_tail_len;
470
471 new = kzalloc(size, GFP_KERNEL);
472 if (!new)
473 return -ENOMEM;
474
475 /* start filling the new info now */
476
477 /* new or old dtim period? */
478 if (params->dtim_period)
479 new->dtim_period = params->dtim_period;
480 else
481 new->dtim_period = old->dtim_period;
482
483 /*
484 * pointers go into the block we allocated,
485 * memory is | beacon_data | head | tail |
486 */
487 new->head = ((u8 *) new) + sizeof(*new);
488 new->tail = new->head + new_head_len;
489 new->head_len = new_head_len;
490 new->tail_len = new_tail_len;
491
492 /* copy in head */
493 if (params->head)
494 memcpy(new->head, params->head, new_head_len);
495 else
496 memcpy(new->head, old->head, new_head_len);
497
498 /* copy in optional tail */
499 if (params->tail)
500 memcpy(new->tail, params->tail, new_tail_len);
501 else
502 if (old)
503 memcpy(new->tail, old->tail, new_tail_len);
504
505 rcu_assign_pointer(sdata->u.ap.beacon, new);
506
507 synchronize_rcu();
508
509 kfree(old);
510
2d0ddec5
JB		 511 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED |
512 BSS_CHANGED_BEACON);
513 return 0;
5dfdaf58
JB		 514}
515
516static int ieee80211_add_beacon(struct wiphy *wiphy, struct net_device *dev,
517 struct beacon_parameters *params)
518{
14db74bc 519 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 520 struct beacon_data *old;
521
14db74bc
JB		 522 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
523
5dfdaf58
JB		 524 old = sdata->u.ap.beacon;
525
526 if (old)
527 return -EALREADY;
528
529 return ieee80211_config_beacon(sdata, params);
530}
531
532static int ieee80211_set_beacon(struct wiphy *wiphy, struct net_device *dev,
533 struct beacon_parameters *params)
534{
14db74bc 535 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 536 struct beacon_data *old;
537
14db74bc
JB		 538 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
539
5dfdaf58
JB		 540 old = sdata->u.ap.beacon;
541
542 if (!old)
543 return -ENOENT;
544
545 return ieee80211_config_beacon(sdata, params);
546}
547
548static int ieee80211_del_beacon(struct wiphy *wiphy, struct net_device *dev)
549{
14db74bc 550 struct ieee80211_sub_if_data *sdata;
5dfdaf58
JB		 551 struct beacon_data *old;
552
14db74bc
JB		 553 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
554
5dfdaf58
JB		 555 old = sdata->u.ap.beacon;
556
557 if (!old)
558 return -ENOENT;
559
560 rcu_assign_pointer(sdata->u.ap.beacon, NULL);
561 synchronize_rcu();
562 kfree(old);
563
2d0ddec5
JB		 564 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
565 return 0;
5dfdaf58
JB		 566}
567
4fd6931e
JB		 568/* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
569struct iapp_layer2_update {
570 u8 da[ETH_ALEN]; /* broadcast */
571 u8 sa[ETH_ALEN]; /* STA addr */
572 __be16 len; /* 6 */
573 u8 dsap; /* 0 */
574 u8 ssap; /* 0 */
575 u8 control;
576 u8 xid_info[3];
577} __attribute__ ((packed));
578
579static void ieee80211_send_layer2_update(struct sta_info *sta)
580{
581 struct iapp_layer2_update *msg;
582 struct sk_buff *skb;
583
584 /* Send Level 2 Update Frame to update forwarding tables in layer 2
585 * bridge devices */
586
587 skb = dev_alloc_skb(sizeof(*msg));
588 if (!skb)
589 return;
590 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
591
592 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
593 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
594
595 memset(msg->da, 0xff, ETH_ALEN);
17741cdc 596 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
4fd6931e
JB		 597 msg->len = htons(6);
598 msg->dsap = 0;
599 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
600 msg->control = 0xaf; /* XID response lsb.1111F101.
601 * F=0 (no poll command; unsolicited frame) */
602 msg->xid_info[0] = 0x81; /* XID format identifier */
603 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
604 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
605
d0709a65
JB		 606 skb->dev = sta->sdata->dev;
607 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
4fd6931e
JB		 608 memset(skb->cb, 0, sizeof(skb->cb));
609 netif_rx(skb);
610}
611
612static void sta_apply_parameters(struct ieee80211_local *local,
613 struct sta_info *sta,
614 struct station_parameters *params)
615{
616 u32 rates;
617 int i, j;
8318d78a 618 struct ieee80211_supported_band *sband;
d0709a65 619 struct ieee80211_sub_if_data *sdata = sta->sdata;
eccb8e8f 620 u32 mask, set;
4fd6931e 621
ae5eb026
JB		 622 sband = local->hw.wiphy->bands[local->oper_channel->band];
623
eccb8e8f
JB		 624 spin_lock_bh(&sta->lock);
625 mask = params->sta_flags_mask;
626 set = params->sta_flags_set;
73651ee6 627
eccb8e8f 628 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
4fd6931e 629 sta->flags &= ~WLAN_STA_AUTHORIZED;
eccb8e8f 630 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
4fd6931e 631 sta->flags |= WLAN_STA_AUTHORIZED;
eccb8e8f 632 }
4fd6931e 633
eccb8e8f 634 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
4fd6931e 635 sta->flags &= ~WLAN_STA_SHORT_PREAMBLE;
eccb8e8f 636 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
4fd6931e 637 sta->flags |= WLAN_STA_SHORT_PREAMBLE;
eccb8e8f 638 }
4fd6931e 639
eccb8e8f 640 if (mask & BIT(NL80211_STA_FLAG_WME)) {
4fd6931e 641 sta->flags &= ~WLAN_STA_WME;
eccb8e8f 642 if (set & BIT(NL80211_STA_FLAG_WME))
4fd6931e 643 sta->flags |= WLAN_STA_WME;
eccb8e8f 644 }
5394af4d 645
eccb8e8f 646 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
5394af4d 647 sta->flags &= ~WLAN_STA_MFP;
eccb8e8f 648 if (set & BIT(NL80211_STA_FLAG_MFP))
5394af4d 649 sta->flags |= WLAN_STA_MFP;
4fd6931e 650 }
eccb8e8f 651 spin_unlock_bh(&sta->lock);
4fd6931e 652
51b50fbe
JB		 653 /*
654 * cfg80211 validates this (1-2007) and allows setting the AID
655 * only when creating a new station entry
656 */
657 if (params->aid)
658 sta->sta.aid = params->aid;
659
73651ee6
JB		 660 /*
661 * FIXME: updating the following information is racy when this
662 * function is called from ieee80211_change_station().
663 * However, all this information should be static so
664 * maybe we should just reject attemps to change it.
665 */
666
4fd6931e
JB		 667 if (params->listen_interval >= 0)
668 sta->listen_interval = params->listen_interval;
669
670 if (params->supported_rates) {
671 rates = 0;
8318d78a 672
4fd6931e
JB		 673 for (i = 0; i < params->supported_rates_len; i++) {
674 int rate = (params->supported_rates[i] & 0x7f) * 5;
8318d78a
JB		 675 for (j = 0; j < sband->n_bitrates; j++) {
676 if (sband->bitrates[j].bitrate == rate)
4fd6931e
JB		 677 rates |= BIT(j);
678 }
679 }
323ce79a 680 sta->sta.supp_rates[local->oper_channel->band] = rates;
4fd6931e 681 }
c5dd9c2b 682
d9fe60de 683 if (params->ht_capa)
ae5eb026
JB		 684 ieee80211_ht_cap_ie_to_sta_ht_cap(sband,
685 params->ht_capa,
d9fe60de 686 &sta->sta.ht_cap);
36aedc90 687
902acc78 688 if (ieee80211_vif_is_mesh(&sdata->vif) && params->plink_action) {
c5dd9c2b
LCC		 689 switch (params->plink_action) {
690 case PLINK_ACTION_OPEN:
691 mesh_plink_open(sta);
692 break;
693 case PLINK_ACTION_BLOCK:
694 mesh_plink_block(sta);
695 break;
696 }
902acc78 697 }
4fd6931e
JB		 698}
699
700static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
701 u8 *mac, struct station_parameters *params)
702{
14db74bc 703 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 704 struct sta_info *sta;
705 struct ieee80211_sub_if_data *sdata;
73651ee6 706 int err;
b8d476c8 707 int layer2_update;
4fd6931e 708
4fd6931e
JB		 709 if (params->vlan) {
710 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
711
05c914fe
JB		 712 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
713 sdata->vif.type != NL80211_IFTYPE_AP)
4fd6931e
JB		 714 return -EINVAL;
715 } else
716 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
717
03e4497e
JB		 718 if (compare_ether_addr(mac, dev->dev_addr) == 0)
719 return -EINVAL;
720
721 if (is_multicast_ether_addr(mac))
722 return -EINVAL;
723
724 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
73651ee6
JB		 725 if (!sta)
726 return -ENOMEM;
4fd6931e
JB		 727
728 sta->flags = WLAN_STA_AUTH | WLAN_STA_ASSOC;
729
730 sta_apply_parameters(local, sta, params);
731
4b7679a5 732 rate_control_rate_init(sta);
4fd6931e 733
b8d476c8
JM		 734 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
735 sdata->vif.type == NL80211_IFTYPE_AP;
736
73651ee6
JB		 737 rcu_read_lock();
738
739 err = sta_info_insert(sta);
740 if (err) {
73651ee6
JB		 741 rcu_read_unlock();
742 return err;
743 }
744
b8d476c8 745 if (layer2_update)
73651ee6
JB		 746 ieee80211_send_layer2_update(sta);
747
748 rcu_read_unlock();
749
4fd6931e
JB		 750 return 0;
751}
752
753static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
754 u8 *mac)
755{
14db74bc
JB		 756 struct ieee80211_local *local = wiphy_priv(wiphy);
757 struct ieee80211_sub_if_data *sdata;
4fd6931e
JB		 758 struct sta_info *sta;
759
14db74bc
JB		 760 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
761
4fd6931e 762 if (mac) {
98dd6a57
JB		 763 rcu_read_lock();
764
4fd6931e
JB		 765 /* XXX: get sta belonging to dev */
766 sta = sta_info_get(local, mac);
98dd6a57
JB		 767 if (!sta) {
768 rcu_read_unlock();
4fd6931e 769 return -ENOENT;
98dd6a57 770 }
4fd6931e 771
d0709a65 772 sta_info_unlink(&sta);
98dd6a57
JB		 773 rcu_read_unlock();
774
4f6fab47 775 sta_info_destroy(sta);
4fd6931e 776 } else
d0709a65 777 sta_info_flush(local, sdata);
4fd6931e
JB		 778
779 return 0;
780}
781
782static int ieee80211_change_station(struct wiphy *wiphy,
783 struct net_device *dev,
784 u8 *mac,
785 struct station_parameters *params)
786{
14db74bc 787 struct ieee80211_local *local = wiphy_priv(wiphy);
4fd6931e
JB		 788 struct sta_info *sta;
789 struct ieee80211_sub_if_data *vlansdata;
790
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 if (params->vlan && params->vlan != sta->sdata->dev) {
4fd6931e
JB		 801 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
802
05c914fe
JB		 803 if (vlansdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
804 vlansdata->vif.type != NL80211_IFTYPE_AP) {
98dd6a57 805 rcu_read_unlock();
4fd6931e 806 return -EINVAL;
98dd6a57 807 }
4fd6931e 808
14db74bc 809 sta->sdata = vlansdata;
4fd6931e
JB		 810 ieee80211_send_layer2_update(sta);
811 }
812
813 sta_apply_parameters(local, sta, params);
814
98dd6a57
JB		 815 rcu_read_unlock();
816
4fd6931e
JB		 817 return 0;
818}
819
c5dd9c2b
LCC		 820#ifdef CONFIG_MAC80211_MESH
821static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
822 u8 *dst, u8 *next_hop)
823{
14db74bc
JB		 824 struct ieee80211_local *local = wiphy_priv(wiphy);
825 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 826 struct mesh_path *mpath;
827 struct sta_info *sta;
828 int err;
829
14db74bc
JB		 830 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
831
d0709a65 832 rcu_read_lock();
c5dd9c2b 833 sta = sta_info_get(local, next_hop);
d0709a65
JB		 834 if (!sta) {
835 rcu_read_unlock();
c5dd9c2b 836 return -ENOENT;
d0709a65 837 }
c5dd9c2b 838
f698d856 839 err = mesh_path_add(dst, sdata);
d0709a65
JB		 840 if (err) {
841 rcu_read_unlock();
c5dd9c2b 842 return err;
d0709a65 843 }
c5dd9c2b 844
f698d856 845 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 846 if (!mpath) {
847 rcu_read_unlock();
c5dd9c2b
LCC		 848 return -ENXIO;
849 }
850 mesh_path_fix_nexthop(mpath, sta);
d0709a65 851
c5dd9c2b
LCC		 852 rcu_read_unlock();
853 return 0;
854}
855
856static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
857 u8 *dst)
858{
f698d856
JBG		 859 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
860
c5dd9c2b 861 if (dst)
f698d856 862 return mesh_path_del(dst, sdata);
c5dd9c2b 863
f698d856 864 mesh_path_flush(sdata);
c5dd9c2b
LCC		 865 return 0;
866}
867
868static int ieee80211_change_mpath(struct wiphy *wiphy,
869 struct net_device *dev,
870 u8 *dst, u8 *next_hop)
871{
14db74bc
JB		 872 struct ieee80211_local *local = wiphy_priv(wiphy);
873 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 874 struct mesh_path *mpath;
875 struct sta_info *sta;
876
14db74bc
JB		 877 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
878
d0709a65
JB		 879 rcu_read_lock();
880
c5dd9c2b 881 sta = sta_info_get(local, next_hop);
d0709a65
JB		 882 if (!sta) {
883 rcu_read_unlock();
c5dd9c2b 884 return -ENOENT;
d0709a65 885 }
c5dd9c2b 886
f698d856 887 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 888 if (!mpath) {
889 rcu_read_unlock();
c5dd9c2b
LCC		 890 return -ENOENT;
891 }
892
893 mesh_path_fix_nexthop(mpath, sta);
d0709a65 894
c5dd9c2b
LCC		 895 rcu_read_unlock();
896 return 0;
897}
898
899static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
900 struct mpath_info *pinfo)
901{
902 if (mpath->next_hop)
17741cdc 903 memcpy(next_hop, mpath->next_hop->sta.addr, ETH_ALEN);
c5dd9c2b
LCC		 904 else
905 memset(next_hop, 0, ETH_ALEN);
906
f5ea9120
JB		 907 pinfo->generation = mesh_paths_generation;
908
c5dd9c2b
LCC		 909 pinfo->filled = MPATH_INFO_FRAME_QLEN |
910 MPATH_INFO_DSN |
911 MPATH_INFO_METRIC |
912 MPATH_INFO_EXPTIME |
913 MPATH_INFO_DISCOVERY_TIMEOUT |
914 MPATH_INFO_DISCOVERY_RETRIES |
915 MPATH_INFO_FLAGS;
916
917 pinfo->frame_qlen = mpath->frame_queue.qlen;
918 pinfo->dsn = mpath->dsn;
919 pinfo->metric = mpath->metric;
920 if (time_before(jiffies, mpath->exp_time))
921 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
922 pinfo->discovery_timeout =
923 jiffies_to_msecs(mpath->discovery_timeout);
924 pinfo->discovery_retries = mpath->discovery_retries;
925 pinfo->flags = 0;
926 if (mpath->flags & MESH_PATH_ACTIVE)
927 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
928 if (mpath->flags & MESH_PATH_RESOLVING)
929 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
930 if (mpath->flags & MESH_PATH_DSN_VALID)
931 pinfo->flags |= NL80211_MPATH_FLAG_DSN_VALID;
932 if (mpath->flags & MESH_PATH_FIXED)
933 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
934 if (mpath->flags & MESH_PATH_RESOLVING)
935 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
936
937 pinfo->flags = mpath->flags;
938}
939
940static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
941 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
942
943{
14db74bc 944 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 945 struct mesh_path *mpath;
946
14db74bc
JB		 947 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
948
c5dd9c2b 949 rcu_read_lock();
f698d856 950 mpath = mesh_path_lookup(dst, sdata);
c5dd9c2b
LCC		 951 if (!mpath) {
952 rcu_read_unlock();
953 return -ENOENT;
954 }
955 memcpy(dst, mpath->dst, ETH_ALEN);
956 mpath_set_pinfo(mpath, next_hop, pinfo);
957 rcu_read_unlock();
958 return 0;
959}
960
961static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
962 int idx, u8 *dst, u8 *next_hop,
963 struct mpath_info *pinfo)
964{
14db74bc 965 struct ieee80211_sub_if_data *sdata;
c5dd9c2b
LCC		 966 struct mesh_path *mpath;
967
14db74bc
JB		 968 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
969
c5dd9c2b 970 rcu_read_lock();
f698d856 971 mpath = mesh_path_lookup_by_idx(idx, sdata);
c5dd9c2b
LCC		 972 if (!mpath) {
973 rcu_read_unlock();
974 return -ENOENT;
975 }
976 memcpy(dst, mpath->dst, ETH_ALEN);
977 mpath_set_pinfo(mpath, next_hop, pinfo);
978 rcu_read_unlock();
979 return 0;
980}
93da9cc1 981
982static int ieee80211_get_mesh_params(struct wiphy *wiphy,
983 struct net_device *dev,
984 struct mesh_config *conf)
985{
986 struct ieee80211_sub_if_data *sdata;
987 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
988
93da9cc1 989 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
990 return 0;
991}
992
993static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
994{
995 return (mask >> (parm-1)) & 0x1;
996}
997
998static int ieee80211_set_mesh_params(struct wiphy *wiphy,
999 struct net_device *dev,
1000 const struct mesh_config *nconf, u32 mask)
1001{
1002 struct mesh_config *conf;
1003 struct ieee80211_sub_if_data *sdata;
1004 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1005
93da9cc1 1006 /* Set the config options which we are interested in setting */
1007 conf = &(sdata->u.mesh.mshcfg);
1008 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1009 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1010 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1011 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1012 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1013 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1014 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1015 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1016 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1017 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1018 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1019 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1020 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask))
1021 conf->auto_open_plinks = nconf->auto_open_plinks;
1022 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1023 conf->dot11MeshHWMPmaxPREQretries =
1024 nconf->dot11MeshHWMPmaxPREQretries;
1025 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1026 conf->path_refresh_time = nconf->path_refresh_time;
1027 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1028 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1029 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1030 conf->dot11MeshHWMPactivePathTimeout =
1031 nconf->dot11MeshHWMPactivePathTimeout;
1032 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1033 conf->dot11MeshHWMPpreqMinInterval =
1034 nconf->dot11MeshHWMPpreqMinInterval;
1035 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1036 mask))
1037 conf->dot11MeshHWMPnetDiameterTraversalTime =
1038 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1039 return 0;
1040}
1041
c5dd9c2b
LCC		 1042#endif
1043
9f1ba906
JM		 1044static int ieee80211_change_bss(struct wiphy *wiphy,
1045 struct net_device *dev,
1046 struct bss_parameters *params)
1047{
9f1ba906
JM		 1048 struct ieee80211_sub_if_data *sdata;
1049 u32 changed = 0;
1050
9f1ba906
JM		 1051 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1052
9f1ba906 1053 if (params->use_cts_prot >= 0) {
bda3933a 1054 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
9f1ba906
JM		 1055 changed |= BSS_CHANGED_ERP_CTS_PROT;
1056 }
1057 if (params->use_short_preamble >= 0) {
bda3933a 1058 sdata->vif.bss_conf.use_short_preamble =
9f1ba906
JM		 1059 params->use_short_preamble;
1060 changed |= BSS_CHANGED_ERP_PREAMBLE;
1061 }
1062 if (params->use_short_slot_time >= 0) {
bda3933a 1063 sdata->vif.bss_conf.use_short_slot =
9f1ba906
JM		 1064 params->use_short_slot_time;
1065 changed |= BSS_CHANGED_ERP_SLOT;
1066 }
1067
90c97a04
JM		 1068 if (params->basic_rates) {
1069 int i, j;
1070 u32 rates = 0;
1071 struct ieee80211_local *local = wiphy_priv(wiphy);
1072 struct ieee80211_supported_band *sband =
1073 wiphy->bands[local->oper_channel->band];
1074
1075 for (i = 0; i < params->basic_rates_len; i++) {
1076 int rate = (params->basic_rates[i] & 0x7f) * 5;
1077 for (j = 0; j < sband->n_bitrates; j++) {
1078 if (sband->bitrates[j].bitrate == rate)
1079 rates |= BIT(j);
1080 }
1081 }
1082 sdata->vif.bss_conf.basic_rates = rates;
1083 changed |= BSS_CHANGED_BASIC_RATES;
1084 }
1085
9f1ba906
JM		 1086 ieee80211_bss_info_change_notify(sdata, changed);
1087
1088 return 0;
1089}
1090
31888487
JM		 1091static int ieee80211_set_txq_params(struct wiphy *wiphy,
1092 struct ieee80211_txq_params *params)
1093{
1094 struct ieee80211_local *local = wiphy_priv(wiphy);
1095 struct ieee80211_tx_queue_params p;
1096
1097 if (!local->ops->conf_tx)
1098 return -EOPNOTSUPP;
1099
1100 memset(&p, 0, sizeof(p));
1101 p.aifs = params->aifs;
1102 p.cw_max = params->cwmax;
1103 p.cw_min = params->cwmin;
1104 p.txop = params->txop;
24487981 1105 if (drv_conf_tx(local, params->queue, &p)) {
31888487 1106 printk(KERN_DEBUG "%s: failed to set TX queue "
0bffe40f
JB		 1107 "parameters for queue %d\n",
1108 wiphy_name(local->hw.wiphy), params->queue);
31888487
JM		 1109 return -EINVAL;
1110 }
1111
1112 return 0;
1113}
1114
72bdcf34
JM		 1115static int ieee80211_set_channel(struct wiphy *wiphy,
1116 struct ieee80211_channel *chan,
094d05dc 1117 enum nl80211_channel_type channel_type)
72bdcf34
JM		 1118{
1119 struct ieee80211_local *local = wiphy_priv(wiphy);
1120
1121 local->oper_channel = chan;
094d05dc 1122 local->oper_channel_type = channel_type;
72bdcf34
JM		 1123
1124 return ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_CHANNEL);
1125}
1126
665af4fc
BC		 1127#ifdef CONFIG_PM
1128static int ieee80211_suspend(struct wiphy *wiphy)
1129{
1130 return __ieee80211_suspend(wiphy_priv(wiphy));
1131}
1132
1133static int ieee80211_resume(struct wiphy *wiphy)
1134{
1135 return __ieee80211_resume(wiphy_priv(wiphy));
1136}
1137#else
1138#define ieee80211_suspend NULL
1139#define ieee80211_resume NULL
1140#endif
1141
2a519311
JB		 1142static int ieee80211_scan(struct wiphy *wiphy,
1143 struct net_device *dev,
1144 struct cfg80211_scan_request *req)
1145{
1146 struct ieee80211_sub_if_data *sdata;
1147
2a519311
JB		 1148 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1149
1150 if (sdata->vif.type != NL80211_IFTYPE_STATION &&
1151 sdata->vif.type != NL80211_IFTYPE_ADHOC &&
357303e2
JM		 1152 sdata->vif.type != NL80211_IFTYPE_MESH_POINT &&
1153 (sdata->vif.type != NL80211_IFTYPE_AP || sdata->u.ap.beacon))
2a519311
JB		 1154 return -EOPNOTSUPP;
1155
1156 return ieee80211_request_scan(sdata, req);
1157}
1158
636a5d36
JM		 1159static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
1160 struct cfg80211_auth_request *req)
1161{
77fdaa12 1162 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1163}
1164
1165static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
1166 struct cfg80211_assoc_request *req)
1167{
77fdaa12 1168 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
636a5d36
JM		 1169}
1170
1171static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
667503dd
JB		 1172 struct cfg80211_deauth_request *req,
1173 void *cookie)
636a5d36 1174{
667503dd
JB		 1175 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev),
1176 req, cookie);
636a5d36
JM		 1177}
1178
1179static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
667503dd
JB		 1180 struct cfg80211_disassoc_request *req,
1181 void *cookie)
636a5d36 1182{
667503dd
JB		 1183 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev),
1184 req, cookie);
636a5d36
JM		 1185}
1186
af8cdcd8
JB		 1187static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
1188 struct cfg80211_ibss_params *params)
1189{
1190 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1191
1192 return ieee80211_ibss_join(sdata, params);
1193}
1194
1195static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
1196{
1197 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1198
1199 return ieee80211_ibss_leave(sdata);
1200}
1201
b9a5f8ca
JM		 1202static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
1203{
1204 struct ieee80211_local *local = wiphy_priv(wiphy);
24487981 1205 int err;
b9a5f8ca
JM		 1206
1207 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
24487981 1208 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
b9a5f8ca 1209
24487981
JB		 1210 if (err)
1211 return err;
b9a5f8ca
JM		 1212 }
1213
1214 if (changed & WIPHY_PARAM_RETRY_SHORT)
1215 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
1216 if (changed & WIPHY_PARAM_RETRY_LONG)
1217 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
1218 if (changed &
1219 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
1220 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
1221
1222 return 0;
1223}
1224
7643a2c3
JB		 1225static int ieee80211_set_tx_power(struct wiphy *wiphy,
1226 enum tx_power_setting type, int dbm)
1227{
1228 struct ieee80211_local *local = wiphy_priv(wiphy);
1229 struct ieee80211_channel *chan = local->hw.conf.channel;
1230 u32 changes = 0;
7643a2c3
JB		 1231
1232 switch (type) {
1233 case TX_POWER_AUTOMATIC:
1234 local->user_power_level = -1;
1235 break;
1236 case TX_POWER_LIMITED:
1237 if (dbm < 0)
1238 return -EINVAL;
1239 local->user_power_level = dbm;
1240 break;
1241 case TX_POWER_FIXED:
1242 if (dbm < 0)
1243 return -EINVAL;
1244 /* TODO: move to cfg80211 when it knows the channel */
1245 if (dbm > chan->max_power)
1246 return -EINVAL;
1247 local->user_power_level = dbm;
1248 break;
7643a2c3
JB		 1249 }
1250
1251 ieee80211_hw_config(local, changes);
1252
1253 return 0;
1254}
1255
1256static int ieee80211_get_tx_power(struct wiphy *wiphy, int *dbm)
1257{
1258 struct ieee80211_local *local = wiphy_priv(wiphy);
1259
1260 *dbm = local->hw.conf.power_level;
1261
7643a2c3
JB		 1262 return 0;
1263}
1264
ab737a4f
JB		 1265static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
1266 u8 *addr)
1267{
1268 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1269
1270 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
1271
1272 return 0;
1273}
1274
1f87f7d3
JB		 1275static void ieee80211_rfkill_poll(struct wiphy *wiphy)
1276{
1277 struct ieee80211_local *local = wiphy_priv(wiphy);
1278
1279 drv_rfkill_poll(local);
1280}
1281
aff89a9b 1282#ifdef CONFIG_NL80211_TESTMODE
99783e2c 1283static int ieee80211_testmode_cmd(struct wiphy *wiphy, void *data, int len)
aff89a9b
JB		 1284{
1285 struct ieee80211_local *local = wiphy_priv(wiphy);
1286
1287 if (!local->ops->testmode_cmd)
1288 return -EOPNOTSUPP;
1289
1290 return local->ops->testmode_cmd(&local->hw, data, len);
1291}
1292#endif
1293
bc92afd9
JB		 1294static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
1295 bool enabled, int timeout)
1296{
1297 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1298 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1299 struct ieee80211_conf *conf = &local->hw.conf;
1300
1301 if (!(local->hw.flags & IEEE80211_HW_SUPPORTS_PS))
1302 return -EOPNOTSUPP;
1303
1304 if (enabled == sdata->u.mgd.powersave &&
1305 timeout == conf->dynamic_ps_timeout)
1306 return 0;
1307
1308 sdata->u.mgd.powersave = enabled;
1309 conf->dynamic_ps_timeout = timeout;
1310
1311 if (local->hw.flags & IEEE80211_HW_SUPPORTS_DYNAMIC_PS)
1312 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
1313
1314 ieee80211_recalc_ps(local, -1);
1315
1316 return 0;
1317}
1318
9930380f
JB		 1319static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
1320 struct net_device *dev,
1321 const u8 *addr,
1322 const struct cfg80211_bitrate_mask *mask)
1323{
1324 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1325 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
1326 int i, err = -EINVAL;
1327 u32 target_rate;
1328 struct ieee80211_supported_band *sband;
1329
1330 sband = local->hw.wiphy->bands[local->hw.conf.channel->band];
1331
1332 /* target_rate = -1, rate->fixed = 0 means auto only, so use all rates
1333 * target_rate = X, rate->fixed = 1 means only rate X
1334 * target_rate = X, rate->fixed = 0 means all rates <= X */
1335 sdata->max_ratectrl_rateidx = -1;
1336 sdata->force_unicast_rateidx = -1;
1337
1338 if (mask->fixed)
1339 target_rate = mask->fixed / 100;
1340 else if (mask->maxrate)
1341 target_rate = mask->maxrate / 100;
1342 else
1343 return 0;
1344
1345 for (i=0; i< sband->n_bitrates; i++) {
1346 struct ieee80211_rate *brate = &sband->bitrates[i];
1347 int this_rate = brate->bitrate;
1348
1349 if (target_rate == this_rate) {
1350 sdata->max_ratectrl_rateidx = i;
1351 if (mask->fixed)
1352 sdata->force_unicast_rateidx = i;
1353 err = 0;
1354 break;
1355 }
1356 }
1357
1358 return err;
1359}
1360
f0706e82
JB		 1361struct cfg80211_ops mac80211_config_ops = {
1362 .add_virtual_intf = ieee80211_add_iface,
1363 .del_virtual_intf = ieee80211_del_iface,
42613db7 1364 .change_virtual_intf = ieee80211_change_iface,
e8cbb4cb
JB		 1365 .add_key = ieee80211_add_key,
1366 .del_key = ieee80211_del_key,
62da92fb 1367 .get_key = ieee80211_get_key,
e8cbb4cb 1368 .set_default_key = ieee80211_config_default_key,
3cfcf6ac 1369 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
5dfdaf58
JB		 1370 .add_beacon = ieee80211_add_beacon,
1371 .set_beacon = ieee80211_set_beacon,
1372 .del_beacon = ieee80211_del_beacon,
4fd6931e
JB		 1373 .add_station = ieee80211_add_station,
1374 .del_station = ieee80211_del_station,
1375 .change_station = ieee80211_change_station,
7bbdd2d9 1376 .get_station = ieee80211_get_station,
c5dd9c2b
LCC		 1377 .dump_station = ieee80211_dump_station,
1378#ifdef CONFIG_MAC80211_MESH
1379 .add_mpath = ieee80211_add_mpath,
1380 .del_mpath = ieee80211_del_mpath,
1381 .change_mpath = ieee80211_change_mpath,
1382 .get_mpath = ieee80211_get_mpath,
1383 .dump_mpath = ieee80211_dump_mpath,
93da9cc1 1384 .set_mesh_params = ieee80211_set_mesh_params,
1385 .get_mesh_params = ieee80211_get_mesh_params,
c5dd9c2b 1386#endif
9f1ba906 1387 .change_bss = ieee80211_change_bss,
31888487 1388 .set_txq_params = ieee80211_set_txq_params,
72bdcf34 1389 .set_channel = ieee80211_set_channel,
665af4fc
BC		 1390 .suspend = ieee80211_suspend,
1391 .resume = ieee80211_resume,
2a519311 1392 .scan = ieee80211_scan,
636a5d36
JM		 1393 .auth = ieee80211_auth,
1394 .assoc = ieee80211_assoc,
1395 .deauth = ieee80211_deauth,
1396 .disassoc = ieee80211_disassoc,
af8cdcd8
JB		 1397 .join_ibss = ieee80211_join_ibss,
1398 .leave_ibss = ieee80211_leave_ibss,
b9a5f8ca 1399 .set_wiphy_params = ieee80211_set_wiphy_params,
7643a2c3
JB		 1400 .set_tx_power = ieee80211_set_tx_power,
1401 .get_tx_power = ieee80211_get_tx_power,
ab737a4f 1402 .set_wds_peer = ieee80211_set_wds_peer,
1f87f7d3 1403 .rfkill_poll = ieee80211_rfkill_poll,
aff89a9b 1404 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
bc92afd9 1405 .set_power_mgmt = ieee80211_set_power_mgmt,
9930380f 1406 .set_bitrate_mask = ieee80211_set_bitrate_mask,
f0706e82 1407};
Linux 6.x block layer and io_uring tree(s)