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watchdog: pika_wdt: add __ro_after_init to ident
[linux-2.6/btrfs-unstable.git] / net / mac80211 / cfg.c
blobe91e503bf99257d7e8f3945c1500eebaa91f5e81
1 /*
2 * mac80211 configuration hooks for cfg80211
3 *
4 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
5 * Copyright 2013-2015 Intel Mobile Communications GmbH
6 * Copyright (C) 2015-2016 Intel Deutschland GmbH
7 *
8 * This file is GPLv2 as found in COPYING.
9 */
10
11 #include <linux/ieee80211.h>
12 #include <linux/nl80211.h>
13 #include <linux/rtnetlink.h>
14 #include <linux/slab.h>
15 #include <net/net_namespace.h>
16 #include <linux/rcupdate.h>
17 #include <linux/if_ether.h>
18 #include <net/cfg80211.h>
19 #include "ieee80211_i.h"
20 #include "driver-ops.h"
21 #include "rate.h"
22 #include "mesh.h"
23 #include "wme.h"
24
25 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
26 const char *name,
27 unsigned char name_assign_type,
28 enum nl80211_iftype type,
29 u32 *flags,
30 struct vif_params *params)
31 {
32 struct ieee80211_local *local = wiphy_priv(wiphy);
33 struct wireless_dev *wdev;
34 struct ieee80211_sub_if_data *sdata;
35 int err;
36
37 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
38 if (err)
39 return ERR_PTR(err);
40
41 if (type == NL80211_IFTYPE_MONITOR && flags) {
42 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
43 sdata->u.mntr.flags = *flags;
44 }
45
46 return wdev;
47 }
48
49 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
50 {
51 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
52
53 return 0;
54 }
55
56 static int ieee80211_change_iface(struct wiphy *wiphy,
57 struct net_device *dev,
58 enum nl80211_iftype type, u32 *flags,
59 struct vif_params *params)
60 {
61 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
62 int ret;
63
64 ret = ieee80211_if_change_type(sdata, type);
65 if (ret)
66 return ret;
67
68 if (type == NL80211_IFTYPE_AP_VLAN &&
69 params && params->use_4addr == 0) {
70 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
71 ieee80211_check_fast_rx_iface(sdata);
72 } else if (type == NL80211_IFTYPE_STATION &&
73 params && params->use_4addr >= 0) {
74 sdata->u.mgd.use_4addr = params->use_4addr;
75 }
76
77 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
78 struct ieee80211_local *local = sdata->local;
79 struct ieee80211_sub_if_data *monitor_sdata;
80 u32 mu_mntr_cap_flag = NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER;
81
82 monitor_sdata = rtnl_dereference(local->monitor_sdata);
83 if (monitor_sdata &&
84 wiphy_ext_feature_isset(wiphy, mu_mntr_cap_flag)) {
85 memcpy(monitor_sdata->vif.bss_conf.mu_group.membership,
86 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
87 memcpy(monitor_sdata->vif.bss_conf.mu_group.position,
88 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
89 WLAN_USER_POSITION_LEN);
90 monitor_sdata->vif.mu_mimo_owner = true;
91 ieee80211_bss_info_change_notify(monitor_sdata,
92 BSS_CHANGED_MU_GROUPS);
93
94 ether_addr_copy(monitor_sdata->u.mntr.mu_follow_addr,
95 params->macaddr);
96 }
97
98 if (!flags)
99 return 0;
100
101 if (ieee80211_sdata_running(sdata)) {
102 u32 mask = MONITOR_FLAG_COOK_FRAMES |
103 MONITOR_FLAG_ACTIVE;
104
105 /*
106 * Prohibit MONITOR_FLAG_COOK_FRAMES and
107 * MONITOR_FLAG_ACTIVE to be changed while the
108 * interface is up.
109 * Else we would need to add a lot of cruft
110 * to update everything:
111 * cooked_mntrs, monitor and all fif_* counters
112 * reconfigure hardware
113 */
114 if ((*flags & mask) != (sdata->u.mntr.flags & mask))
115 return -EBUSY;
116
117 ieee80211_adjust_monitor_flags(sdata, -1);
118 sdata->u.mntr.flags = *flags;
119 ieee80211_adjust_monitor_flags(sdata, 1);
120
121 ieee80211_configure_filter(local);
122 } else {
123 /*
124 * Because the interface is down, ieee80211_do_stop
125 * and ieee80211_do_open take care of "everything"
126 * mentioned in the comment above.
127 */
128 sdata->u.mntr.flags = *flags;
129 }
130 }
131
132 return 0;
133 }
134
135 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
136 struct wireless_dev *wdev)
137 {
138 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
139 int ret;
140
141 mutex_lock(&sdata->local->chanctx_mtx);
142 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
143 mutex_unlock(&sdata->local->chanctx_mtx);
144 if (ret < 0)
145 return ret;
146
147 return ieee80211_do_open(wdev, true);
148 }
149
150 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
151 struct wireless_dev *wdev)
152 {
153 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
154 }
155
156 static int ieee80211_start_nan(struct wiphy *wiphy,
157 struct wireless_dev *wdev,
158 struct cfg80211_nan_conf *conf)
159 {
160 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
161 int ret;
162
163 mutex_lock(&sdata->local->chanctx_mtx);
164 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
165 mutex_unlock(&sdata->local->chanctx_mtx);
166 if (ret < 0)
167 return ret;
168
169 ret = ieee80211_do_open(wdev, true);
170 if (ret)
171 return ret;
172
173 ret = drv_start_nan(sdata->local, sdata, conf);
174 if (ret)
175 ieee80211_sdata_stop(sdata);
176
177 sdata->u.nan.conf = *conf;
178
179 return ret;
180 }
181
182 static void ieee80211_stop_nan(struct wiphy *wiphy,
183 struct wireless_dev *wdev)
184 {
185 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
186
187 drv_stop_nan(sdata->local, sdata);
188 ieee80211_sdata_stop(sdata);
189 }
190
191 static int ieee80211_nan_change_conf(struct wiphy *wiphy,
192 struct wireless_dev *wdev,
193 struct cfg80211_nan_conf *conf,
194 u32 changes)
195 {
196 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
197 struct cfg80211_nan_conf new_conf;
198 int ret = 0;
199
200 if (sdata->vif.type != NL80211_IFTYPE_NAN)
201 return -EOPNOTSUPP;
202
203 if (!ieee80211_sdata_running(sdata))
204 return -ENETDOWN;
205
206 new_conf = sdata->u.nan.conf;
207
208 if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
209 new_conf.master_pref = conf->master_pref;
210
211 if (changes & CFG80211_NAN_CONF_CHANGED_DUAL)
212 new_conf.dual = conf->dual;
213
214 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
215 if (!ret)
216 sdata->u.nan.conf = new_conf;
217
218 return ret;
219 }
220
221 static int ieee80211_add_nan_func(struct wiphy *wiphy,
222 struct wireless_dev *wdev,
223 struct cfg80211_nan_func *nan_func)
224 {
225 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
226 int ret;
227
228 if (sdata->vif.type != NL80211_IFTYPE_NAN)
229 return -EOPNOTSUPP;
230
231 if (!ieee80211_sdata_running(sdata))
232 return -ENETDOWN;
233
234 spin_lock_bh(&sdata->u.nan.func_lock);
235
236 ret = idr_alloc(&sdata->u.nan.function_inst_ids,
237 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
238 GFP_ATOMIC);
239 spin_unlock_bh(&sdata->u.nan.func_lock);
240
241 if (ret < 0)
242 return ret;
243
244 nan_func->instance_id = ret;
245
246 WARN_ON(nan_func->instance_id == 0);
247
248 ret = drv_add_nan_func(sdata->local, sdata, nan_func);
249 if (ret) {
250 spin_lock_bh(&sdata->u.nan.func_lock);
251 idr_remove(&sdata->u.nan.function_inst_ids,
252 nan_func->instance_id);
253 spin_unlock_bh(&sdata->u.nan.func_lock);
254 }
255
256 return ret;
257 }
258
259 static struct cfg80211_nan_func *
260 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
261 u64 cookie)
262 {
263 struct cfg80211_nan_func *func;
264 int id;
265
266 lockdep_assert_held(&sdata->u.nan.func_lock);
267
268 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
269 if (func->cookie == cookie)
270 return func;
271 }
272
273 return NULL;
274 }
275
276 static void ieee80211_del_nan_func(struct wiphy *wiphy,
277 struct wireless_dev *wdev, u64 cookie)
278 {
279 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
280 struct cfg80211_nan_func *func;
281 u8 instance_id = 0;
282
283 if (sdata->vif.type != NL80211_IFTYPE_NAN ||
284 !ieee80211_sdata_running(sdata))
285 return;
286
287 spin_lock_bh(&sdata->u.nan.func_lock);
288
289 func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
290 if (func)
291 instance_id = func->instance_id;
292
293 spin_unlock_bh(&sdata->u.nan.func_lock);
294
295 if (instance_id)
296 drv_del_nan_func(sdata->local, sdata, instance_id);
297 }
298
299 static int ieee80211_set_noack_map(struct wiphy *wiphy,
300 struct net_device *dev,
301 u16 noack_map)
302 {
303 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
304
305 sdata->noack_map = noack_map;
306
307 ieee80211_check_fast_xmit_iface(sdata);
308
309 return 0;
310 }
311
312 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
313 u8 key_idx, bool pairwise, const u8 *mac_addr,
314 struct key_params *params)
315 {
316 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
317 struct ieee80211_local *local = sdata->local;
318 struct sta_info *sta = NULL;
319 const struct ieee80211_cipher_scheme *cs = NULL;
320 struct ieee80211_key *key;
321 int err;
322
323 if (!ieee80211_sdata_running(sdata))
324 return -ENETDOWN;
325
326 /* reject WEP and TKIP keys if WEP failed to initialize */
327 switch (params->cipher) {
328 case WLAN_CIPHER_SUITE_WEP40:
329 case WLAN_CIPHER_SUITE_TKIP:
330 case WLAN_CIPHER_SUITE_WEP104:
331 if (IS_ERR(local->wep_tx_tfm))
332 return -EINVAL;
333 break;
334 case WLAN_CIPHER_SUITE_CCMP:
335 case WLAN_CIPHER_SUITE_CCMP_256:
336 case WLAN_CIPHER_SUITE_AES_CMAC:
337 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
338 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
339 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
340 case WLAN_CIPHER_SUITE_GCMP:
341 case WLAN_CIPHER_SUITE_GCMP_256:
342 break;
343 default:
344 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
345 break;
346 }
347
348 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
349 params->key, params->seq_len, params->seq,
350 cs);
351 if (IS_ERR(key))
352 return PTR_ERR(key);
353
354 if (pairwise)
355 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
356
357 mutex_lock(&local->sta_mtx);
358
359 if (mac_addr) {
360 sta = sta_info_get_bss(sdata, mac_addr);
361 /*
362 * The ASSOC test makes sure the driver is ready to
363 * receive the key. When wpa_supplicant has roamed
364 * using FT, it attempts to set the key before
365 * association has completed, this rejects that attempt
366 * so it will set the key again after association.
367 *
368 * TODO: accept the key if we have a station entry and
369 * add it to the device after the station.
370 */
371 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
372 ieee80211_key_free_unused(key);
373 err = -ENOENT;
374 goto out_unlock;
375 }
376 }
377
378 switch (sdata->vif.type) {
379 case NL80211_IFTYPE_STATION:
380 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
381 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
382 break;
383 case NL80211_IFTYPE_AP:
384 case NL80211_IFTYPE_AP_VLAN:
385 /* Keys without a station are used for TX only */
386 if (key->sta && test_sta_flag(key->sta, WLAN_STA_MFP))
387 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
388 break;
389 case NL80211_IFTYPE_ADHOC:
390 /* no MFP (yet) */
391 break;
392 case NL80211_IFTYPE_MESH_POINT:
393 #ifdef CONFIG_MAC80211_MESH
394 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
395 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
396 break;
397 #endif
398 case NL80211_IFTYPE_WDS:
399 case NL80211_IFTYPE_MONITOR:
400 case NL80211_IFTYPE_P2P_DEVICE:
401 case NL80211_IFTYPE_NAN:
402 case NL80211_IFTYPE_UNSPECIFIED:
403 case NUM_NL80211_IFTYPES:
404 case NL80211_IFTYPE_P2P_CLIENT:
405 case NL80211_IFTYPE_P2P_GO:
406 case NL80211_IFTYPE_OCB:
407 /* shouldn't happen */
408 WARN_ON_ONCE(1);
409 break;
410 }
411
412 if (sta)
413 sta->cipher_scheme = cs;
414
415 err = ieee80211_key_link(key, sdata, sta);
416
417 out_unlock:
418 mutex_unlock(&local->sta_mtx);
419
420 return err;
421 }
422
423 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
424 u8 key_idx, bool pairwise, const u8 *mac_addr)
425 {
426 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
427 struct ieee80211_local *local = sdata->local;
428 struct sta_info *sta;
429 struct ieee80211_key *key = NULL;
430 int ret;
431
432 mutex_lock(&local->sta_mtx);
433 mutex_lock(&local->key_mtx);
434
435 if (mac_addr) {
436 ret = -ENOENT;
437
438 sta = sta_info_get_bss(sdata, mac_addr);
439 if (!sta)
440 goto out_unlock;
441
442 if (pairwise)
443 key = key_mtx_dereference(local, sta->ptk[key_idx]);
444 else
445 key = key_mtx_dereference(local, sta->gtk[key_idx]);
446 } else
447 key = key_mtx_dereference(local, sdata->keys[key_idx]);
448
449 if (!key) {
450 ret = -ENOENT;
451 goto out_unlock;
452 }
453
454 ieee80211_key_free(key, true);
455
456 ret = 0;
457 out_unlock:
458 mutex_unlock(&local->key_mtx);
459 mutex_unlock(&local->sta_mtx);
460
461 return ret;
462 }
463
464 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
465 u8 key_idx, bool pairwise, const u8 *mac_addr,
466 void *cookie,
467 void (*callback)(void *cookie,
468 struct key_params *params))
469 {
470 struct ieee80211_sub_if_data *sdata;
471 struct sta_info *sta = NULL;
472 u8 seq[6] = {0};
473 struct key_params params;
474 struct ieee80211_key *key = NULL;
475 u64 pn64;
476 u32 iv32;
477 u16 iv16;
478 int err = -ENOENT;
479 struct ieee80211_key_seq kseq = {};
480
481 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
482
483 rcu_read_lock();
484
485 if (mac_addr) {
486 sta = sta_info_get_bss(sdata, mac_addr);
487 if (!sta)
488 goto out;
489
490 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
491 key = rcu_dereference(sta->ptk[key_idx]);
492 else if (!pairwise &&
493 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
494 key = rcu_dereference(sta->gtk[key_idx]);
495 } else
496 key = rcu_dereference(sdata->keys[key_idx]);
497
498 if (!key)
499 goto out;
500
501 memset(&params, 0, sizeof(params));
502
503 params.cipher = key->conf.cipher;
504
505 switch (key->conf.cipher) {
506 case WLAN_CIPHER_SUITE_TKIP:
507 pn64 = atomic64_read(&key->conf.tx_pn);
508 iv32 = TKIP_PN_TO_IV32(pn64);
509 iv16 = TKIP_PN_TO_IV16(pn64);
510
511 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
512 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
513 drv_get_key_seq(sdata->local, key, &kseq);
514 iv32 = kseq.tkip.iv32;
515 iv16 = kseq.tkip.iv16;
516 }
517
518 seq[0] = iv16 & 0xff;
519 seq[1] = (iv16 >> 8) & 0xff;
520 seq[2] = iv32 & 0xff;
521 seq[3] = (iv32 >> 8) & 0xff;
522 seq[4] = (iv32 >> 16) & 0xff;
523 seq[5] = (iv32 >> 24) & 0xff;
524 params.seq = seq;
525 params.seq_len = 6;
526 break;
527 case WLAN_CIPHER_SUITE_CCMP:
528 case WLAN_CIPHER_SUITE_CCMP_256:
529 case WLAN_CIPHER_SUITE_AES_CMAC:
530 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
531 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
532 offsetof(typeof(kseq), aes_cmac));
533 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
534 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
535 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
536 offsetof(typeof(kseq), aes_gmac));
537 case WLAN_CIPHER_SUITE_GCMP:
538 case WLAN_CIPHER_SUITE_GCMP_256:
539 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
540 offsetof(typeof(kseq), gcmp));
541
542 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
543 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
544 drv_get_key_seq(sdata->local, key, &kseq);
545 memcpy(seq, kseq.ccmp.pn, 6);
546 } else {
547 pn64 = atomic64_read(&key->conf.tx_pn);
548 seq[0] = pn64;
549 seq[1] = pn64 >> 8;
550 seq[2] = pn64 >> 16;
551 seq[3] = pn64 >> 24;
552 seq[4] = pn64 >> 32;
553 seq[5] = pn64 >> 40;
554 }
555 params.seq = seq;
556 params.seq_len = 6;
557 break;
558 default:
559 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
560 break;
561 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
562 break;
563 drv_get_key_seq(sdata->local, key, &kseq);
564 params.seq = kseq.hw.seq;
565 params.seq_len = kseq.hw.seq_len;
566 break;
567 }
568
569 params.key = key->conf.key;
570 params.key_len = key->conf.keylen;
571
572 callback(cookie, &params);
573 err = 0;
574
575 out:
576 rcu_read_unlock();
577 return err;
578 }
579
580 static int ieee80211_config_default_key(struct wiphy *wiphy,
581 struct net_device *dev,
582 u8 key_idx, bool uni,
583 bool multi)
584 {
585 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
586
587 ieee80211_set_default_key(sdata, key_idx, uni, multi);
588
589 return 0;
590 }
591
592 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
593 struct net_device *dev,
594 u8 key_idx)
595 {
596 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
597
598 ieee80211_set_default_mgmt_key(sdata, key_idx);
599
600 return 0;
601 }
602
603 void sta_set_rate_info_tx(struct sta_info *sta,
604 const struct ieee80211_tx_rate *rate,
605 struct rate_info *rinfo)
606 {
607 rinfo->flags = 0;
608 if (rate->flags & IEEE80211_TX_RC_MCS) {
609 rinfo->flags |= RATE_INFO_FLAGS_MCS;
610 rinfo->mcs = rate->idx;
611 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
612 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
613 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
614 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
615 } else {
616 struct ieee80211_supported_band *sband;
617 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
618 u16 brate;
619
620 sband = sta->local->hw.wiphy->bands[
621 ieee80211_get_sdata_band(sta->sdata)];
622 brate = sband->bitrates[rate->idx].bitrate;
623 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
624 }
625 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
626 rinfo->bw = RATE_INFO_BW_40;
627 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
628 rinfo->bw = RATE_INFO_BW_80;
629 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
630 rinfo->bw = RATE_INFO_BW_160;
631 else
632 rinfo->bw = RATE_INFO_BW_20;
633 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
634 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
635 }
636
637 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
638 int idx, u8 *mac, struct station_info *sinfo)
639 {
640 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
641 struct ieee80211_local *local = sdata->local;
642 struct sta_info *sta;
643 int ret = -ENOENT;
644
645 mutex_lock(&local->sta_mtx);
646
647 sta = sta_info_get_by_idx(sdata, idx);
648 if (sta) {
649 ret = 0;
650 memcpy(mac, sta->sta.addr, ETH_ALEN);
651 sta_set_sinfo(sta, sinfo);
652 }
653
654 mutex_unlock(&local->sta_mtx);
655
656 return ret;
657 }
658
659 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
660 int idx, struct survey_info *survey)
661 {
662 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
663
664 return drv_get_survey(local, idx, survey);
665 }
666
667 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
668 const u8 *mac, struct station_info *sinfo)
669 {
670 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
671 struct ieee80211_local *local = sdata->local;
672 struct sta_info *sta;
673 int ret = -ENOENT;
674
675 mutex_lock(&local->sta_mtx);
676
677 sta = sta_info_get_bss(sdata, mac);
678 if (sta) {
679 ret = 0;
680 sta_set_sinfo(sta, sinfo);
681 }
682
683 mutex_unlock(&local->sta_mtx);
684
685 return ret;
686 }
687
688 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
689 struct cfg80211_chan_def *chandef)
690 {
691 struct ieee80211_local *local = wiphy_priv(wiphy);
692 struct ieee80211_sub_if_data *sdata;
693 int ret = 0;
694
695 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
696 return 0;
697
698 mutex_lock(&local->mtx);
699 mutex_lock(&local->iflist_mtx);
700 if (local->use_chanctx) {
701 sdata = rcu_dereference_protected(
702 local->monitor_sdata,
703 lockdep_is_held(&local->iflist_mtx));
704 if (sdata) {
705 ieee80211_vif_release_channel(sdata);
706 ret = ieee80211_vif_use_channel(sdata, chandef,
707 IEEE80211_CHANCTX_EXCLUSIVE);
708 }
709 } else if (local->open_count == local->monitors) {
710 local->_oper_chandef = *chandef;
711 ieee80211_hw_config(local, 0);
712 }
713
714 if (ret == 0)
715 local->monitor_chandef = *chandef;
716 mutex_unlock(&local->iflist_mtx);
717 mutex_unlock(&local->mtx);
718
719 return ret;
720 }
721
722 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
723 const u8 *resp, size_t resp_len,
724 const struct ieee80211_csa_settings *csa)
725 {
726 struct probe_resp *new, *old;
727
728 if (!resp || !resp_len)
729 return 1;
730
731 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
732
733 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
734 if (!new)
735 return -ENOMEM;
736
737 new->len = resp_len;
738 memcpy(new->data, resp, resp_len);
739
740 if (csa)
741 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
742 csa->n_counter_offsets_presp *
743 sizeof(new->csa_counter_offsets[0]));
744
745 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
746 if (old)
747 kfree_rcu(old, rcu_head);
748
749 return 0;
750 }
751
752 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
753 struct cfg80211_beacon_data *params,
754 const struct ieee80211_csa_settings *csa)
755 {
756 struct beacon_data *new, *old;
757 int new_head_len, new_tail_len;
758 int size, err;
759 u32 changed = BSS_CHANGED_BEACON;
760
761 old = sdata_dereference(sdata->u.ap.beacon, sdata);
762
763
764 /* Need to have a beacon head if we don't have one yet */
765 if (!params->head && !old)
766 return -EINVAL;
767
768 /* new or old head? */
769 if (params->head)
770 new_head_len = params->head_len;
771 else
772 new_head_len = old->head_len;
773
774 /* new or old tail? */
775 if (params->tail || !old)
776 /* params->tail_len will be zero for !params->tail */
777 new_tail_len = params->tail_len;
778 else
779 new_tail_len = old->tail_len;
780
781 size = sizeof(*new) + new_head_len + new_tail_len;
782
783 new = kzalloc(size, GFP_KERNEL);
784 if (!new)
785 return -ENOMEM;
786
787 /* start filling the new info now */
788
789 /*
790 * pointers go into the block we allocated,
791 * memory is | beacon_data | head | tail |
792 */
793 new->head = ((u8 *) new) + sizeof(*new);
794 new->tail = new->head + new_head_len;
795 new->head_len = new_head_len;
796 new->tail_len = new_tail_len;
797
798 if (csa) {
799 new->csa_current_counter = csa->count;
800 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
801 csa->n_counter_offsets_beacon *
802 sizeof(new->csa_counter_offsets[0]));
803 }
804
805 /* copy in head */
806 if (params->head)
807 memcpy(new->head, params->head, new_head_len);
808 else
809 memcpy(new->head, old->head, new_head_len);
810
811 /* copy in optional tail */
812 if (params->tail)
813 memcpy(new->tail, params->tail, new_tail_len);
814 else
815 if (old)
816 memcpy(new->tail, old->tail, new_tail_len);
817
818 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
819 params->probe_resp_len, csa);
820 if (err < 0)
821 return err;
822 if (err == 0)
823 changed |= BSS_CHANGED_AP_PROBE_RESP;
824
825 rcu_assign_pointer(sdata->u.ap.beacon, new);
826
827 if (old)
828 kfree_rcu(old, rcu_head);
829
830 return changed;
831 }
832
833 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
834 struct cfg80211_ap_settings *params)
835 {
836 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
837 struct ieee80211_local *local = sdata->local;
838 struct beacon_data *old;
839 struct ieee80211_sub_if_data *vlan;
840 u32 changed = BSS_CHANGED_BEACON_INT |
841 BSS_CHANGED_BEACON_ENABLED |
842 BSS_CHANGED_BEACON |
843 BSS_CHANGED_SSID |
844 BSS_CHANGED_P2P_PS |
845 BSS_CHANGED_TXPOWER;
846 int err;
847
848 old = sdata_dereference(sdata->u.ap.beacon, sdata);
849 if (old)
850 return -EALREADY;
851
852 switch (params->smps_mode) {
853 case NL80211_SMPS_OFF:
854 sdata->smps_mode = IEEE80211_SMPS_OFF;
855 break;
856 case NL80211_SMPS_STATIC:
857 sdata->smps_mode = IEEE80211_SMPS_STATIC;
858 break;
859 case NL80211_SMPS_DYNAMIC:
860 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
861 break;
862 default:
863 return -EINVAL;
864 }
865 sdata->needed_rx_chains = sdata->local->rx_chains;
866
867 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
868
869 mutex_lock(&local->mtx);
870 err = ieee80211_vif_use_channel(sdata, &params->chandef,
871 IEEE80211_CHANCTX_SHARED);
872 if (!err)
873 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
874 mutex_unlock(&local->mtx);
875 if (err)
876 return err;
877
878 /*
879 * Apply control port protocol, this allows us to
880 * not encrypt dynamic WEP control frames.
881 */
882 sdata->control_port_protocol = params->crypto.control_port_ethertype;
883 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
884 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
885 &params->crypto,
886 sdata->vif.type);
887
888 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
889 vlan->control_port_protocol =
890 params->crypto.control_port_ethertype;
891 vlan->control_port_no_encrypt =
892 params->crypto.control_port_no_encrypt;
893 vlan->encrypt_headroom =
894 ieee80211_cs_headroom(sdata->local,
895 &params->crypto,
896 vlan->vif.type);
897 }
898
899 sdata->vif.bss_conf.dtim_period = params->dtim_period;
900 sdata->vif.bss_conf.enable_beacon = true;
901 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
902
903 sdata->vif.bss_conf.ssid_len = params->ssid_len;
904 if (params->ssid_len)
905 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
906 params->ssid_len);
907 sdata->vif.bss_conf.hidden_ssid =
908 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
909
910 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
911 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
912 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
913 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
914 if (params->p2p_opp_ps)
915 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
916 IEEE80211_P2P_OPPPS_ENABLE_BIT;
917
918 err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
919 if (err < 0) {
920 ieee80211_vif_release_channel(sdata);
921 return err;
922 }
923 changed |= err;
924
925 err = drv_start_ap(sdata->local, sdata);
926 if (err) {
927 old = sdata_dereference(sdata->u.ap.beacon, sdata);
928
929 if (old)
930 kfree_rcu(old, rcu_head);
931 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
932 ieee80211_vif_release_channel(sdata);
933 return err;
934 }
935
936 ieee80211_recalc_dtim(local, sdata);
937 ieee80211_bss_info_change_notify(sdata, changed);
938
939 netif_carrier_on(dev);
940 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
941 netif_carrier_on(vlan->dev);
942
943 return 0;
944 }
945
946 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
947 struct cfg80211_beacon_data *params)
948 {
949 struct ieee80211_sub_if_data *sdata;
950 struct beacon_data *old;
951 int err;
952
953 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
954 sdata_assert_lock(sdata);
955
956 /* don't allow changing the beacon while CSA is in place - offset
957 * of channel switch counter may change
958 */
959 if (sdata->vif.csa_active)
960 return -EBUSY;
961
962 old = sdata_dereference(sdata->u.ap.beacon, sdata);
963 if (!old)
964 return -ENOENT;
965
966 err = ieee80211_assign_beacon(sdata, params, NULL);
967 if (err < 0)
968 return err;
969 ieee80211_bss_info_change_notify(sdata, err);
970 return 0;
971 }
972
973 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
974 {
975 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
976 struct ieee80211_sub_if_data *vlan;
977 struct ieee80211_local *local = sdata->local;
978 struct beacon_data *old_beacon;
979 struct probe_resp *old_probe_resp;
980 struct cfg80211_chan_def chandef;
981
982 sdata_assert_lock(sdata);
983
984 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
985 if (!old_beacon)
986 return -ENOENT;
987 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
988
989 /* abort any running channel switch */
990 mutex_lock(&local->mtx);
991 sdata->vif.csa_active = false;
992 if (sdata->csa_block_tx) {
993 ieee80211_wake_vif_queues(local, sdata,
994 IEEE80211_QUEUE_STOP_REASON_CSA);
995 sdata->csa_block_tx = false;
996 }
997
998 mutex_unlock(&local->mtx);
999
1000 kfree(sdata->u.ap.next_beacon);
1001 sdata->u.ap.next_beacon = NULL;
1002
1003 /* turn off carrier for this interface and dependent VLANs */
1004 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1005 netif_carrier_off(vlan->dev);
1006 netif_carrier_off(dev);
1007
1008 /* remove beacon and probe response */
1009 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1010 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1011 kfree_rcu(old_beacon, rcu_head);
1012 if (old_probe_resp)
1013 kfree_rcu(old_probe_resp, rcu_head);
1014 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
1015
1016 __sta_info_flush(sdata, true);
1017 ieee80211_free_keys(sdata, true);
1018
1019 sdata->vif.bss_conf.enable_beacon = false;
1020 sdata->vif.bss_conf.ssid_len = 0;
1021 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1022 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1023
1024 if (sdata->wdev.cac_started) {
1025 chandef = sdata->vif.bss_conf.chandef;
1026 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1027 cfg80211_cac_event(sdata->dev, &chandef,
1028 NL80211_RADAR_CAC_ABORTED,
1029 GFP_KERNEL);
1030 }
1031
1032 drv_stop_ap(sdata->local, sdata);
1033
1034 /* free all potentially still buffered bcast frames */
1035 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1036 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1037
1038 mutex_lock(&local->mtx);
1039 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1040 ieee80211_vif_release_channel(sdata);
1041 mutex_unlock(&local->mtx);
1042
1043 return 0;
1044 }
1045
1046 /* Layer 2 Update frame (802.2 Type 1 LLC XID Update response) */
1047 struct iapp_layer2_update {
1048 u8 da[ETH_ALEN]; /* broadcast */
1049 u8 sa[ETH_ALEN]; /* STA addr */
1050 __be16 len; /* 6 */
1051 u8 dsap; /* 0 */
1052 u8 ssap; /* 0 */
1053 u8 control;
1054 u8 xid_info[3];
1055 } __packed;
1056
1057 static void ieee80211_send_layer2_update(struct sta_info *sta)
1058 {
1059 struct iapp_layer2_update *msg;
1060 struct sk_buff *skb;
1061
1062 /* Send Level 2 Update Frame to update forwarding tables in layer 2
1063 * bridge devices */
1064
1065 skb = dev_alloc_skb(sizeof(*msg));
1066 if (!skb)
1067 return;
1068 msg = (struct iapp_layer2_update *)skb_put(skb, sizeof(*msg));
1069
1070 /* 802.2 Type 1 Logical Link Control (LLC) Exchange Identifier (XID)
1071 * Update response frame; IEEE Std 802.2-1998, 5.4.1.2.1 */
1072
1073 eth_broadcast_addr(msg->da);
1074 memcpy(msg->sa, sta->sta.addr, ETH_ALEN);
1075 msg->len = htons(6);
1076 msg->dsap = 0;
1077 msg->ssap = 0x01; /* NULL LSAP, CR Bit: Response */
1078 msg->control = 0xaf; /* XID response lsb.1111F101.
1079 * F=0 (no poll command; unsolicited frame) */
1080 msg->xid_info[0] = 0x81; /* XID format identifier */
1081 msg->xid_info[1] = 1; /* LLC types/classes: Type 1 LLC */
1082 msg->xid_info[2] = 0; /* XID sender's receive window size (RW) */
1083
1084 skb->dev = sta->sdata->dev;
1085 skb->protocol = eth_type_trans(skb, sta->sdata->dev);
1086 memset(skb->cb, 0, sizeof(skb->cb));
1087 netif_rx_ni(skb);
1088 }
1089
1090 static int sta_apply_auth_flags(struct ieee80211_local *local,
1091 struct sta_info *sta,
1092 u32 mask, u32 set)
1093 {
1094 int ret;
1095
1096 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1097 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1098 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1099 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1100 if (ret)
1101 return ret;
1102 }
1103
1104 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1105 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1106 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1107 /*
1108 * When peer becomes associated, init rate control as
1109 * well. Some drivers require rate control initialized
1110 * before drv_sta_state() is called.
1111 */
1112 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1113 rate_control_rate_init(sta);
1114
1115 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1116 if (ret)
1117 return ret;
1118 }
1119
1120 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1121 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1122 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1123 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1124 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1125 else
1126 ret = 0;
1127 if (ret)
1128 return ret;
1129 }
1130
1131 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1132 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1133 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1134 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1135 if (ret)
1136 return ret;
1137 }
1138
1139 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1140 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1141 test_sta_flag(sta, WLAN_STA_AUTH)) {
1142 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1143 if (ret)
1144 return ret;
1145 }
1146
1147 return 0;
1148 }
1149
1150 static void sta_apply_mesh_params(struct ieee80211_local *local,
1151 struct sta_info *sta,
1152 struct station_parameters *params)
1153 {
1154 #ifdef CONFIG_MAC80211_MESH
1155 struct ieee80211_sub_if_data *sdata = sta->sdata;
1156 u32 changed = 0;
1157
1158 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1159 switch (params->plink_state) {
1160 case NL80211_PLINK_ESTAB:
1161 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1162 changed = mesh_plink_inc_estab_count(sdata);
1163 sta->mesh->plink_state = params->plink_state;
1164 sta->mesh->aid = params->peer_aid;
1165
1166 ieee80211_mps_sta_status_update(sta);
1167 changed |= ieee80211_mps_set_sta_local_pm(sta,
1168 sdata->u.mesh.mshcfg.power_mode);
1169 break;
1170 case NL80211_PLINK_LISTEN:
1171 case NL80211_PLINK_BLOCKED:
1172 case NL80211_PLINK_OPN_SNT:
1173 case NL80211_PLINK_OPN_RCVD:
1174 case NL80211_PLINK_CNF_RCVD:
1175 case NL80211_PLINK_HOLDING:
1176 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1177 changed = mesh_plink_dec_estab_count(sdata);
1178 sta->mesh->plink_state = params->plink_state;
1179
1180 ieee80211_mps_sta_status_update(sta);
1181 changed |= ieee80211_mps_set_sta_local_pm(sta,
1182 NL80211_MESH_POWER_UNKNOWN);
1183 break;
1184 default:
1185 /* nothing */
1186 break;
1187 }
1188 }
1189
1190 switch (params->plink_action) {
1191 case NL80211_PLINK_ACTION_NO_ACTION:
1192 /* nothing */
1193 break;
1194 case NL80211_PLINK_ACTION_OPEN:
1195 changed |= mesh_plink_open(sta);
1196 break;
1197 case NL80211_PLINK_ACTION_BLOCK:
1198 changed |= mesh_plink_block(sta);
1199 break;
1200 }
1201
1202 if (params->local_pm)
1203 changed |= ieee80211_mps_set_sta_local_pm(sta,
1204 params->local_pm);
1205
1206 ieee80211_mbss_info_change_notify(sdata, changed);
1207 #endif
1208 }
1209
1210 static int sta_apply_parameters(struct ieee80211_local *local,
1211 struct sta_info *sta,
1212 struct station_parameters *params)
1213 {
1214 int ret = 0;
1215 struct ieee80211_supported_band *sband;
1216 struct ieee80211_sub_if_data *sdata = sta->sdata;
1217 enum nl80211_band band = ieee80211_get_sdata_band(sdata);
1218 u32 mask, set;
1219
1220 sband = local->hw.wiphy->bands[band];
1221
1222 mask = params->sta_flags_mask;
1223 set = params->sta_flags_set;
1224
1225 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1226 /*
1227 * In mesh mode, ASSOCIATED isn't part of the nl80211
1228 * API but must follow AUTHENTICATED for driver state.
1229 */
1230 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1231 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1232 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1233 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1234 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1235 /*
1236 * TDLS -- everything follows authorized, but
1237 * only becoming authorized is possible, not
1238 * going back
1239 */
1240 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1241 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1242 BIT(NL80211_STA_FLAG_ASSOCIATED);
1243 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1244 BIT(NL80211_STA_FLAG_ASSOCIATED);
1245 }
1246 }
1247
1248 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1249 local->hw.queues >= IEEE80211_NUM_ACS)
1250 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1251
1252 /* auth flags will be set later for TDLS,
1253 * and for unassociated stations that move to assocaited */
1254 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1255 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1256 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1257 ret = sta_apply_auth_flags(local, sta, mask, set);
1258 if (ret)
1259 return ret;
1260 }
1261
1262 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1263 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1264 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1265 else
1266 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1267 }
1268
1269 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1270 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1271 if (set & BIT(NL80211_STA_FLAG_MFP))
1272 set_sta_flag(sta, WLAN_STA_MFP);
1273 else
1274 clear_sta_flag(sta, WLAN_STA_MFP);
1275 }
1276
1277 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1278 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1279 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1280 else
1281 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1282 }
1283
1284 /* mark TDLS channel switch support, if the AP allows it */
1285 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1286 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1287 params->ext_capab_len >= 4 &&
1288 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1289 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1290
1291 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1292 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1293 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1294 params->ext_capab_len >= 8 &&
1295 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1296 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1297
1298 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1299 sta->sta.uapsd_queues = params->uapsd_queues;
1300 sta->sta.max_sp = params->max_sp;
1301 }
1302
1303 /* The sender might not have sent the last bit, consider it to be 0 */
1304 if (params->ext_capab_len >= 8) {
1305 u8 val = (params->ext_capab[7] &
1306 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1307
1308 /* we did get all the bits, take the MSB as well */
1309 if (params->ext_capab_len >= 9) {
1310 u8 val_msb = params->ext_capab[8] &
1311 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1312 val_msb <<= 1;
1313 val |= val_msb;
1314 }
1315
1316 switch (val) {
1317 case 1:
1318 sta->sta.max_amsdu_subframes = 32;
1319 break;
1320 case 2:
1321 sta->sta.max_amsdu_subframes = 16;
1322 break;
1323 case 3:
1324 sta->sta.max_amsdu_subframes = 8;
1325 break;
1326 default:
1327 sta->sta.max_amsdu_subframes = 0;
1328 }
1329 }
1330
1331 /*
1332 * cfg80211 validates this (1-2007) and allows setting the AID
1333 * only when creating a new station entry
1334 */
1335 if (params->aid)
1336 sta->sta.aid = params->aid;
1337
1338 /*
1339 * Some of the following updates would be racy if called on an
1340 * existing station, via ieee80211_change_station(). However,
1341 * all such changes are rejected by cfg80211 except for updates
1342 * changing the supported rates on an existing but not yet used
1343 * TDLS peer.
1344 */
1345
1346 if (params->listen_interval >= 0)
1347 sta->listen_interval = params->listen_interval;
1348
1349 if (params->supported_rates) {
1350 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1351 sband, params->supported_rates,
1352 params->supported_rates_len,
1353 &sta->sta.supp_rates[band]);
1354 }
1355
1356 if (params->ht_capa)
1357 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1358 params->ht_capa, sta);
1359
1360 /* VHT can override some HT caps such as the A-MSDU max length */
1361 if (params->vht_capa)
1362 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1363 params->vht_capa, sta);
1364
1365 if (params->opmode_notif_used) {
1366 /* returned value is only needed for rc update, but the
1367 * rc isn't initialized here yet, so ignore it
1368 */
1369 __ieee80211_vht_handle_opmode(sdata, sta,
1370 params->opmode_notif, band);
1371 }
1372
1373 if (params->support_p2p_ps >= 0)
1374 sta->sta.support_p2p_ps = params->support_p2p_ps;
1375
1376 if (ieee80211_vif_is_mesh(&sdata->vif))
1377 sta_apply_mesh_params(local, sta, params);
1378
1379 /* set the STA state after all sta info from usermode has been set */
1380 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1381 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1382 ret = sta_apply_auth_flags(local, sta, mask, set);
1383 if (ret)
1384 return ret;
1385 }
1386
1387 return 0;
1388 }
1389
1390 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1391 const u8 *mac,
1392 struct station_parameters *params)
1393 {
1394 struct ieee80211_local *local = wiphy_priv(wiphy);
1395 struct sta_info *sta;
1396 struct ieee80211_sub_if_data *sdata;
1397 int err;
1398 int layer2_update;
1399
1400 if (params->vlan) {
1401 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1402
1403 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1404 sdata->vif.type != NL80211_IFTYPE_AP)
1405 return -EINVAL;
1406 } else
1407 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1408
1409 if (ether_addr_equal(mac, sdata->vif.addr))
1410 return -EINVAL;
1411
1412 if (is_multicast_ether_addr(mac))
1413 return -EINVAL;
1414
1415 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1416 if (!sta)
1417 return -ENOMEM;
1418
1419 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1420 sta->sta.tdls = true;
1421
1422 err = sta_apply_parameters(local, sta, params);
1423 if (err) {
1424 sta_info_free(local, sta);
1425 return err;
1426 }
1427
1428 /*
1429 * for TDLS and for unassociated station, rate control should be
1430 * initialized only when rates are known and station is marked
1431 * authorized/associated
1432 */
1433 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1434 test_sta_flag(sta, WLAN_STA_ASSOC))
1435 rate_control_rate_init(sta);
1436
1437 layer2_update = sdata->vif.type == NL80211_IFTYPE_AP_VLAN ||
1438 sdata->vif.type == NL80211_IFTYPE_AP;
1439
1440 err = sta_info_insert_rcu(sta);
1441 if (err) {
1442 rcu_read_unlock();
1443 return err;
1444 }
1445
1446 if (layer2_update)
1447 ieee80211_send_layer2_update(sta);
1448
1449 rcu_read_unlock();
1450
1451 return 0;
1452 }
1453
1454 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1455 struct station_del_parameters *params)
1456 {
1457 struct ieee80211_sub_if_data *sdata;
1458
1459 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1460
1461 if (params->mac)
1462 return sta_info_destroy_addr_bss(sdata, params->mac);
1463
1464 sta_info_flush(sdata);
1465 return 0;
1466 }
1467
1468 static int ieee80211_change_station(struct wiphy *wiphy,
1469 struct net_device *dev, const u8 *mac,
1470 struct station_parameters *params)
1471 {
1472 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1473 struct ieee80211_local *local = wiphy_priv(wiphy);
1474 struct sta_info *sta;
1475 struct ieee80211_sub_if_data *vlansdata;
1476 enum cfg80211_station_type statype;
1477 int err;
1478
1479 mutex_lock(&local->sta_mtx);
1480
1481 sta = sta_info_get_bss(sdata, mac);
1482 if (!sta) {
1483 err = -ENOENT;
1484 goto out_err;
1485 }
1486
1487 switch (sdata->vif.type) {
1488 case NL80211_IFTYPE_MESH_POINT:
1489 if (sdata->u.mesh.user_mpm)
1490 statype = CFG80211_STA_MESH_PEER_USER;
1491 else
1492 statype = CFG80211_STA_MESH_PEER_KERNEL;
1493 break;
1494 case NL80211_IFTYPE_ADHOC:
1495 statype = CFG80211_STA_IBSS;
1496 break;
1497 case NL80211_IFTYPE_STATION:
1498 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1499 statype = CFG80211_STA_AP_STA;
1500 break;
1501 }
1502 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1503 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1504 else
1505 statype = CFG80211_STA_TDLS_PEER_SETUP;
1506 break;
1507 case NL80211_IFTYPE_AP:
1508 case NL80211_IFTYPE_AP_VLAN:
1509 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1510 statype = CFG80211_STA_AP_CLIENT;
1511 else
1512 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1513 break;
1514 default:
1515 err = -EOPNOTSUPP;
1516 goto out_err;
1517 }
1518
1519 err = cfg80211_check_station_change(wiphy, params, statype);
1520 if (err)
1521 goto out_err;
1522
1523 if (params->vlan && params->vlan != sta->sdata->dev) {
1524 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1525
1526 if (params->vlan->ieee80211_ptr->use_4addr) {
1527 if (vlansdata->u.vlan.sta) {
1528 err = -EBUSY;
1529 goto out_err;
1530 }
1531
1532 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1533 __ieee80211_check_fast_rx_iface(vlansdata);
1534 }
1535
1536 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1537 sta->sdata->u.vlan.sta)
1538 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1539
1540 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1541 ieee80211_vif_dec_num_mcast(sta->sdata);
1542
1543 sta->sdata = vlansdata;
1544 ieee80211_check_fast_xmit(sta);
1545
1546 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1547 ieee80211_vif_inc_num_mcast(sta->sdata);
1548
1549 ieee80211_send_layer2_update(sta);
1550 }
1551
1552 err = sta_apply_parameters(local, sta, params);
1553 if (err)
1554 goto out_err;
1555
1556 mutex_unlock(&local->sta_mtx);
1557
1558 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1559 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1560 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1561 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1562 sta_info_tx_streams(sta) != 1) {
1563 ht_dbg(sta->sdata,
1564 "%pM just authorized and MIMO capable - update SMPS\n",
1565 sta->sta.addr);
1566 ieee80211_send_smps_action(sta->sdata,
1567 sta->sdata->bss->req_smps,
1568 sta->sta.addr,
1569 sta->sdata->vif.bss_conf.bssid);
1570 }
1571
1572 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1573 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1574 ieee80211_recalc_ps(local);
1575 ieee80211_recalc_ps_vif(sdata);
1576 }
1577
1578 return 0;
1579 out_err:
1580 mutex_unlock(&local->sta_mtx);
1581 return err;
1582 }
1583
1584 #ifdef CONFIG_MAC80211_MESH
1585 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1586 const u8 *dst, const u8 *next_hop)
1587 {
1588 struct ieee80211_sub_if_data *sdata;
1589 struct mesh_path *mpath;
1590 struct sta_info *sta;
1591
1592 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1593
1594 rcu_read_lock();
1595 sta = sta_info_get(sdata, next_hop);
1596 if (!sta) {
1597 rcu_read_unlock();
1598 return -ENOENT;
1599 }
1600
1601 mpath = mesh_path_add(sdata, dst);
1602 if (IS_ERR(mpath)) {
1603 rcu_read_unlock();
1604 return PTR_ERR(mpath);
1605 }
1606
1607 mesh_path_fix_nexthop(mpath, sta);
1608
1609 rcu_read_unlock();
1610 return 0;
1611 }
1612
1613 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1614 const u8 *dst)
1615 {
1616 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1617
1618 if (dst)
1619 return mesh_path_del(sdata, dst);
1620
1621 mesh_path_flush_by_iface(sdata);
1622 return 0;
1623 }
1624
1625 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1626 const u8 *dst, const u8 *next_hop)
1627 {
1628 struct ieee80211_sub_if_data *sdata;
1629 struct mesh_path *mpath;
1630 struct sta_info *sta;
1631
1632 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1633
1634 rcu_read_lock();
1635
1636 sta = sta_info_get(sdata, next_hop);
1637 if (!sta) {
1638 rcu_read_unlock();
1639 return -ENOENT;
1640 }
1641
1642 mpath = mesh_path_lookup(sdata, dst);
1643 if (!mpath) {
1644 rcu_read_unlock();
1645 return -ENOENT;
1646 }
1647
1648 mesh_path_fix_nexthop(mpath, sta);
1649
1650 rcu_read_unlock();
1651 return 0;
1652 }
1653
1654 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1655 struct mpath_info *pinfo)
1656 {
1657 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1658
1659 if (next_hop_sta)
1660 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1661 else
1662 eth_zero_addr(next_hop);
1663
1664 memset(pinfo, 0, sizeof(*pinfo));
1665
1666 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1667
1668 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1669 MPATH_INFO_SN |
1670 MPATH_INFO_METRIC |
1671 MPATH_INFO_EXPTIME |
1672 MPATH_INFO_DISCOVERY_TIMEOUT |
1673 MPATH_INFO_DISCOVERY_RETRIES |
1674 MPATH_INFO_FLAGS;
1675
1676 pinfo->frame_qlen = mpath->frame_queue.qlen;
1677 pinfo->sn = mpath->sn;
1678 pinfo->metric = mpath->metric;
1679 if (time_before(jiffies, mpath->exp_time))
1680 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1681 pinfo->discovery_timeout =
1682 jiffies_to_msecs(mpath->discovery_timeout);
1683 pinfo->discovery_retries = mpath->discovery_retries;
1684 if (mpath->flags & MESH_PATH_ACTIVE)
1685 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1686 if (mpath->flags & MESH_PATH_RESOLVING)
1687 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1688 if (mpath->flags & MESH_PATH_SN_VALID)
1689 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1690 if (mpath->flags & MESH_PATH_FIXED)
1691 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1692 if (mpath->flags & MESH_PATH_RESOLVED)
1693 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1694 }
1695
1696 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1697 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1698
1699 {
1700 struct ieee80211_sub_if_data *sdata;
1701 struct mesh_path *mpath;
1702
1703 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1704
1705 rcu_read_lock();
1706 mpath = mesh_path_lookup(sdata, dst);
1707 if (!mpath) {
1708 rcu_read_unlock();
1709 return -ENOENT;
1710 }
1711 memcpy(dst, mpath->dst, ETH_ALEN);
1712 mpath_set_pinfo(mpath, next_hop, pinfo);
1713 rcu_read_unlock();
1714 return 0;
1715 }
1716
1717 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1718 int idx, u8 *dst, u8 *next_hop,
1719 struct mpath_info *pinfo)
1720 {
1721 struct ieee80211_sub_if_data *sdata;
1722 struct mesh_path *mpath;
1723
1724 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1725
1726 rcu_read_lock();
1727 mpath = mesh_path_lookup_by_idx(sdata, idx);
1728 if (!mpath) {
1729 rcu_read_unlock();
1730 return -ENOENT;
1731 }
1732 memcpy(dst, mpath->dst, ETH_ALEN);
1733 mpath_set_pinfo(mpath, next_hop, pinfo);
1734 rcu_read_unlock();
1735 return 0;
1736 }
1737
1738 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1739 struct mpath_info *pinfo)
1740 {
1741 memset(pinfo, 0, sizeof(*pinfo));
1742 memcpy(mpp, mpath->mpp, ETH_ALEN);
1743
1744 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1745 }
1746
1747 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1748 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1749
1750 {
1751 struct ieee80211_sub_if_data *sdata;
1752 struct mesh_path *mpath;
1753
1754 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1755
1756 rcu_read_lock();
1757 mpath = mpp_path_lookup(sdata, dst);
1758 if (!mpath) {
1759 rcu_read_unlock();
1760 return -ENOENT;
1761 }
1762 memcpy(dst, mpath->dst, ETH_ALEN);
1763 mpp_set_pinfo(mpath, mpp, pinfo);
1764 rcu_read_unlock();
1765 return 0;
1766 }
1767
1768 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1769 int idx, u8 *dst, u8 *mpp,
1770 struct mpath_info *pinfo)
1771 {
1772 struct ieee80211_sub_if_data *sdata;
1773 struct mesh_path *mpath;
1774
1775 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1776
1777 rcu_read_lock();
1778 mpath = mpp_path_lookup_by_idx(sdata, idx);
1779 if (!mpath) {
1780 rcu_read_unlock();
1781 return -ENOENT;
1782 }
1783 memcpy(dst, mpath->dst, ETH_ALEN);
1784 mpp_set_pinfo(mpath, mpp, pinfo);
1785 rcu_read_unlock();
1786 return 0;
1787 }
1788
1789 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1790 struct net_device *dev,
1791 struct mesh_config *conf)
1792 {
1793 struct ieee80211_sub_if_data *sdata;
1794 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1795
1796 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1797 return 0;
1798 }
1799
1800 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1801 {
1802 return (mask >> (parm-1)) & 0x1;
1803 }
1804
1805 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1806 const struct mesh_setup *setup)
1807 {
1808 u8 *new_ie;
1809 const u8 *old_ie;
1810 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1811 struct ieee80211_sub_if_data, u.mesh);
1812
1813 /* allocate information elements */
1814 new_ie = NULL;
1815 old_ie = ifmsh->ie;
1816
1817 if (setup->ie_len) {
1818 new_ie = kmemdup(setup->ie, setup->ie_len,
1819 GFP_KERNEL);
1820 if (!new_ie)
1821 return -ENOMEM;
1822 }
1823 ifmsh->ie_len = setup->ie_len;
1824 ifmsh->ie = new_ie;
1825 kfree(old_ie);
1826
1827 /* now copy the rest of the setup parameters */
1828 ifmsh->mesh_id_len = setup->mesh_id_len;
1829 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1830 ifmsh->mesh_sp_id = setup->sync_method;
1831 ifmsh->mesh_pp_id = setup->path_sel_proto;
1832 ifmsh->mesh_pm_id = setup->path_metric;
1833 ifmsh->user_mpm = setup->user_mpm;
1834 ifmsh->mesh_auth_id = setup->auth_id;
1835 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1836 if (setup->is_authenticated)
1837 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1838 if (setup->is_secure)
1839 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1840
1841 /* mcast rate setting in Mesh Node */
1842 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1843 sizeof(setup->mcast_rate));
1844 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1845
1846 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1847 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1848
1849 return 0;
1850 }
1851
1852 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1853 struct net_device *dev, u32 mask,
1854 const struct mesh_config *nconf)
1855 {
1856 struct mesh_config *conf;
1857 struct ieee80211_sub_if_data *sdata;
1858 struct ieee80211_if_mesh *ifmsh;
1859
1860 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1861 ifmsh = &sdata->u.mesh;
1862
1863 /* Set the config options which we are interested in setting */
1864 conf = &(sdata->u.mesh.mshcfg);
1865 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1866 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1867 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1868 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1869 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1870 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1871 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1872 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1873 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1874 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1875 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1876 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1877 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1878 conf->element_ttl = nconf->element_ttl;
1879 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1880 if (ifmsh->user_mpm)
1881 return -EBUSY;
1882 conf->auto_open_plinks = nconf->auto_open_plinks;
1883 }
1884 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1885 conf->dot11MeshNbrOffsetMaxNeighbor =
1886 nconf->dot11MeshNbrOffsetMaxNeighbor;
1887 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1888 conf->dot11MeshHWMPmaxPREQretries =
1889 nconf->dot11MeshHWMPmaxPREQretries;
1890 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1891 conf->path_refresh_time = nconf->path_refresh_time;
1892 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1893 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1894 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1895 conf->dot11MeshHWMPactivePathTimeout =
1896 nconf->dot11MeshHWMPactivePathTimeout;
1897 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1898 conf->dot11MeshHWMPpreqMinInterval =
1899 nconf->dot11MeshHWMPpreqMinInterval;
1900 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1901 conf->dot11MeshHWMPperrMinInterval =
1902 nconf->dot11MeshHWMPperrMinInterval;
1903 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1904 mask))
1905 conf->dot11MeshHWMPnetDiameterTraversalTime =
1906 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1907 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1908 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1909 ieee80211_mesh_root_setup(ifmsh);
1910 }
1911 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1912 /* our current gate announcement implementation rides on root
1913 * announcements, so require this ifmsh to also be a root node
1914 * */
1915 if (nconf->dot11MeshGateAnnouncementProtocol &&
1916 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1917 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1918 ieee80211_mesh_root_setup(ifmsh);
1919 }
1920 conf->dot11MeshGateAnnouncementProtocol =
1921 nconf->dot11MeshGateAnnouncementProtocol;
1922 }
1923 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1924 conf->dot11MeshHWMPRannInterval =
1925 nconf->dot11MeshHWMPRannInterval;
1926 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1927 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1928 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1929 /* our RSSI threshold implementation is supported only for
1930 * devices that report signal in dBm.
1931 */
1932 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
1933 return -ENOTSUPP;
1934 conf->rssi_threshold = nconf->rssi_threshold;
1935 }
1936 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1937 conf->ht_opmode = nconf->ht_opmode;
1938 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1939 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1940 }
1941 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1942 conf->dot11MeshHWMPactivePathToRootTimeout =
1943 nconf->dot11MeshHWMPactivePathToRootTimeout;
1944 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1945 conf->dot11MeshHWMProotInterval =
1946 nconf->dot11MeshHWMProotInterval;
1947 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1948 conf->dot11MeshHWMPconfirmationInterval =
1949 nconf->dot11MeshHWMPconfirmationInterval;
1950 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1951 conf->power_mode = nconf->power_mode;
1952 ieee80211_mps_local_status_update(sdata);
1953 }
1954 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
1955 conf->dot11MeshAwakeWindowDuration =
1956 nconf->dot11MeshAwakeWindowDuration;
1957 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1958 conf->plink_timeout = nconf->plink_timeout;
1959 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
1960 return 0;
1961 }
1962
1963 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1964 const struct mesh_config *conf,
1965 const struct mesh_setup *setup)
1966 {
1967 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1968 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1969 int err;
1970
1971 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1972 err = copy_mesh_setup(ifmsh, setup);
1973 if (err)
1974 return err;
1975
1976 /* can mesh use other SMPS modes? */
1977 sdata->smps_mode = IEEE80211_SMPS_OFF;
1978 sdata->needed_rx_chains = sdata->local->rx_chains;
1979
1980 mutex_lock(&sdata->local->mtx);
1981 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
1982 IEEE80211_CHANCTX_SHARED);
1983 mutex_unlock(&sdata->local->mtx);
1984 if (err)
1985 return err;
1986
1987 return ieee80211_start_mesh(sdata);
1988 }
1989
1990 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1991 {
1992 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1993
1994 ieee80211_stop_mesh(sdata);
1995 mutex_lock(&sdata->local->mtx);
1996 ieee80211_vif_release_channel(sdata);
1997 mutex_unlock(&sdata->local->mtx);
1998
1999 return 0;
2000 }
2001 #endif
2002
2003 static int ieee80211_change_bss(struct wiphy *wiphy,
2004 struct net_device *dev,
2005 struct bss_parameters *params)
2006 {
2007 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2008 enum nl80211_band band;
2009 u32 changed = 0;
2010
2011 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2012 return -ENOENT;
2013
2014 band = ieee80211_get_sdata_band(sdata);
2015
2016 if (params->use_cts_prot >= 0) {
2017 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2018 changed |= BSS_CHANGED_ERP_CTS_PROT;
2019 }
2020 if (params->use_short_preamble >= 0) {
2021 sdata->vif.bss_conf.use_short_preamble =
2022 params->use_short_preamble;
2023 changed |= BSS_CHANGED_ERP_PREAMBLE;
2024 }
2025
2026 if (!sdata->vif.bss_conf.use_short_slot &&
2027 band == NL80211_BAND_5GHZ) {
2028 sdata->vif.bss_conf.use_short_slot = true;
2029 changed |= BSS_CHANGED_ERP_SLOT;
2030 }
2031
2032 if (params->use_short_slot_time >= 0) {
2033 sdata->vif.bss_conf.use_short_slot =
2034 params->use_short_slot_time;
2035 changed |= BSS_CHANGED_ERP_SLOT;
2036 }
2037
2038 if (params->basic_rates) {
2039 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2040 wiphy->bands[band],
2041 params->basic_rates,
2042 params->basic_rates_len,
2043 &sdata->vif.bss_conf.basic_rates);
2044 changed |= BSS_CHANGED_BASIC_RATES;
2045 }
2046
2047 if (params->ap_isolate >= 0) {
2048 if (params->ap_isolate)
2049 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2050 else
2051 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2052 ieee80211_check_fast_rx_iface(sdata);
2053 }
2054
2055 if (params->ht_opmode >= 0) {
2056 sdata->vif.bss_conf.ht_operation_mode =
2057 (u16) params->ht_opmode;
2058 changed |= BSS_CHANGED_HT;
2059 }
2060
2061 if (params->p2p_ctwindow >= 0) {
2062 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2063 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2064 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2065 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2066 changed |= BSS_CHANGED_P2P_PS;
2067 }
2068
2069 if (params->p2p_opp_ps > 0) {
2070 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2071 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2072 changed |= BSS_CHANGED_P2P_PS;
2073 } else if (params->p2p_opp_ps == 0) {
2074 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2075 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2076 changed |= BSS_CHANGED_P2P_PS;
2077 }
2078
2079 ieee80211_bss_info_change_notify(sdata, changed);
2080
2081 return 0;
2082 }
2083
2084 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2085 struct net_device *dev,
2086 struct ieee80211_txq_params *params)
2087 {
2088 struct ieee80211_local *local = wiphy_priv(wiphy);
2089 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2090 struct ieee80211_tx_queue_params p;
2091
2092 if (!local->ops->conf_tx)
2093 return -EOPNOTSUPP;
2094
2095 if (local->hw.queues < IEEE80211_NUM_ACS)
2096 return -EOPNOTSUPP;
2097
2098 memset(&p, 0, sizeof(p));
2099 p.aifs = params->aifs;
2100 p.cw_max = params->cwmax;
2101 p.cw_min = params->cwmin;
2102 p.txop = params->txop;
2103
2104 /*
2105 * Setting tx queue params disables u-apsd because it's only
2106 * called in master mode.
2107 */
2108 p.uapsd = false;
2109
2110 sdata->tx_conf[params->ac] = p;
2111 if (drv_conf_tx(local, sdata, params->ac, &p)) {
2112 wiphy_debug(local->hw.wiphy,
2113 "failed to set TX queue parameters for AC %d\n",
2114 params->ac);
2115 return -EINVAL;
2116 }
2117
2118 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2119
2120 return 0;
2121 }
2122
2123 #ifdef CONFIG_PM
2124 static int ieee80211_suspend(struct wiphy *wiphy,
2125 struct cfg80211_wowlan *wowlan)
2126 {
2127 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2128 }
2129
2130 static int ieee80211_resume(struct wiphy *wiphy)
2131 {
2132 return __ieee80211_resume(wiphy_priv(wiphy));
2133 }
2134 #else
2135 #define ieee80211_suspend NULL
2136 #define ieee80211_resume NULL
2137 #endif
2138
2139 static int ieee80211_scan(struct wiphy *wiphy,
2140 struct cfg80211_scan_request *req)
2141 {
2142 struct ieee80211_sub_if_data *sdata;
2143
2144 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2145
2146 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2147 case NL80211_IFTYPE_STATION:
2148 case NL80211_IFTYPE_ADHOC:
2149 case NL80211_IFTYPE_MESH_POINT:
2150 case NL80211_IFTYPE_P2P_CLIENT:
2151 case NL80211_IFTYPE_P2P_DEVICE:
2152 break;
2153 case NL80211_IFTYPE_P2P_GO:
2154 if (sdata->local->ops->hw_scan)
2155 break;
2156 /*
2157 * FIXME: implement NoA while scanning in software,
2158 * for now fall through to allow scanning only when
2159 * beaconing hasn't been configured yet
2160 */
2161 case NL80211_IFTYPE_AP:
2162 /*
2163 * If the scan has been forced (and the driver supports
2164 * forcing), don't care about being beaconing already.
2165 * This will create problems to the attached stations (e.g. all
2166 * the frames sent while scanning on other channel will be
2167 * lost)
2168 */
2169 if (sdata->u.ap.beacon &&
2170 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2171 !(req->flags & NL80211_SCAN_FLAG_AP)))
2172 return -EOPNOTSUPP;
2173 break;
2174 case NL80211_IFTYPE_NAN:
2175 default:
2176 return -EOPNOTSUPP;
2177 }
2178
2179 return ieee80211_request_scan(sdata, req);
2180 }
2181
2182 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2183 {
2184 ieee80211_scan_cancel(wiphy_priv(wiphy));
2185 }
2186
2187 static int
2188 ieee80211_sched_scan_start(struct wiphy *wiphy,
2189 struct net_device *dev,
2190 struct cfg80211_sched_scan_request *req)
2191 {
2192 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2193
2194 if (!sdata->local->ops->sched_scan_start)
2195 return -EOPNOTSUPP;
2196
2197 return ieee80211_request_sched_scan_start(sdata, req);
2198 }
2199
2200 static int
2201 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev)
2202 {
2203 struct ieee80211_local *local = wiphy_priv(wiphy);
2204
2205 if (!local->ops->sched_scan_stop)
2206 return -EOPNOTSUPP;
2207
2208 return ieee80211_request_sched_scan_stop(local);
2209 }
2210
2211 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2212 struct cfg80211_auth_request *req)
2213 {
2214 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2215 }
2216
2217 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2218 struct cfg80211_assoc_request *req)
2219 {
2220 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2221 }
2222
2223 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2224 struct cfg80211_deauth_request *req)
2225 {
2226 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2227 }
2228
2229 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2230 struct cfg80211_disassoc_request *req)
2231 {
2232 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2233 }
2234
2235 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2236 struct cfg80211_ibss_params *params)
2237 {
2238 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2239 }
2240
2241 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2242 {
2243 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2244 }
2245
2246 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2247 struct ocb_setup *setup)
2248 {
2249 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2250 }
2251
2252 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2253 {
2254 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2255 }
2256
2257 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2258 int rate[NUM_NL80211_BANDS])
2259 {
2260 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2261
2262 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2263 sizeof(int) * NUM_NL80211_BANDS);
2264
2265 return 0;
2266 }
2267
2268 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2269 {
2270 struct ieee80211_local *local = wiphy_priv(wiphy);
2271 int err;
2272
2273 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2274 ieee80211_check_fast_xmit_all(local);
2275
2276 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2277
2278 if (err) {
2279 ieee80211_check_fast_xmit_all(local);
2280 return err;
2281 }
2282 }
2283
2284 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2285 (changed & WIPHY_PARAM_DYN_ACK)) {
2286 s16 coverage_class;
2287
2288 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2289 wiphy->coverage_class : -1;
2290 err = drv_set_coverage_class(local, coverage_class);
2291
2292 if (err)
2293 return err;
2294 }
2295
2296 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2297 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2298
2299 if (err)
2300 return err;
2301 }
2302
2303 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2304 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2305 return -EINVAL;
2306 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2307 }
2308 if (changed & WIPHY_PARAM_RETRY_LONG) {
2309 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2310 return -EINVAL;
2311 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2312 }
2313 if (changed &
2314 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2315 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2316
2317 return 0;
2318 }
2319
2320 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2321 struct wireless_dev *wdev,
2322 enum nl80211_tx_power_setting type, int mbm)
2323 {
2324 struct ieee80211_local *local = wiphy_priv(wiphy);
2325 struct ieee80211_sub_if_data *sdata;
2326 enum nl80211_tx_power_setting txp_type = type;
2327 bool update_txp_type = false;
2328
2329 if (wdev) {
2330 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2331
2332 switch (type) {
2333 case NL80211_TX_POWER_AUTOMATIC:
2334 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2335 txp_type = NL80211_TX_POWER_LIMITED;
2336 break;
2337 case NL80211_TX_POWER_LIMITED:
2338 case NL80211_TX_POWER_FIXED:
2339 if (mbm < 0 || (mbm % 100))
2340 return -EOPNOTSUPP;
2341 sdata->user_power_level = MBM_TO_DBM(mbm);
2342 break;
2343 }
2344
2345 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2346 update_txp_type = true;
2347 sdata->vif.bss_conf.txpower_type = txp_type;
2348 }
2349
2350 ieee80211_recalc_txpower(sdata, update_txp_type);
2351
2352 return 0;
2353 }
2354
2355 switch (type) {
2356 case NL80211_TX_POWER_AUTOMATIC:
2357 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2358 txp_type = NL80211_TX_POWER_LIMITED;
2359 break;
2360 case NL80211_TX_POWER_LIMITED:
2361 case NL80211_TX_POWER_FIXED:
2362 if (mbm < 0 || (mbm % 100))
2363 return -EOPNOTSUPP;
2364 local->user_power_level = MBM_TO_DBM(mbm);
2365 break;
2366 }
2367
2368 mutex_lock(&local->iflist_mtx);
2369 list_for_each_entry(sdata, &local->interfaces, list) {
2370 sdata->user_power_level = local->user_power_level;
2371 if (txp_type != sdata->vif.bss_conf.txpower_type)
2372 update_txp_type = true;
2373 sdata->vif.bss_conf.txpower_type = txp_type;
2374 }
2375 list_for_each_entry(sdata, &local->interfaces, list)
2376 ieee80211_recalc_txpower(sdata, update_txp_type);
2377 mutex_unlock(&local->iflist_mtx);
2378
2379 return 0;
2380 }
2381
2382 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2383 struct wireless_dev *wdev,
2384 int *dbm)
2385 {
2386 struct ieee80211_local *local = wiphy_priv(wiphy);
2387 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2388
2389 if (local->ops->get_txpower)
2390 return drv_get_txpower(local, sdata, dbm);
2391
2392 if (!local->use_chanctx)
2393 *dbm = local->hw.conf.power_level;
2394 else
2395 *dbm = sdata->vif.bss_conf.txpower;
2396
2397 return 0;
2398 }
2399
2400 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2401 const u8 *addr)
2402 {
2403 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2404
2405 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2406
2407 return 0;
2408 }
2409
2410 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2411 {
2412 struct ieee80211_local *local = wiphy_priv(wiphy);
2413
2414 drv_rfkill_poll(local);
2415 }
2416
2417 #ifdef CONFIG_NL80211_TESTMODE
2418 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2419 struct wireless_dev *wdev,
2420 void *data, int len)
2421 {
2422 struct ieee80211_local *local = wiphy_priv(wiphy);
2423 struct ieee80211_vif *vif = NULL;
2424
2425 if (!local->ops->testmode_cmd)
2426 return -EOPNOTSUPP;
2427
2428 if (wdev) {
2429 struct ieee80211_sub_if_data *sdata;
2430
2431 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2432 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2433 vif = &sdata->vif;
2434 }
2435
2436 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2437 }
2438
2439 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2440 struct sk_buff *skb,
2441 struct netlink_callback *cb,
2442 void *data, int len)
2443 {
2444 struct ieee80211_local *local = wiphy_priv(wiphy);
2445
2446 if (!local->ops->testmode_dump)
2447 return -EOPNOTSUPP;
2448
2449 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2450 }
2451 #endif
2452
2453 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2454 enum ieee80211_smps_mode smps_mode)
2455 {
2456 struct sta_info *sta;
2457 enum ieee80211_smps_mode old_req;
2458
2459 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2460 return -EINVAL;
2461
2462 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2463 return 0;
2464
2465 old_req = sdata->u.ap.req_smps;
2466 sdata->u.ap.req_smps = smps_mode;
2467
2468 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2469 if (old_req == smps_mode ||
2470 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2471 return 0;
2472
2473 ht_dbg(sdata,
2474 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
2475 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2476
2477 mutex_lock(&sdata->local->sta_mtx);
2478 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2479 /*
2480 * Only stations associated to our AP and
2481 * associated VLANs
2482 */
2483 if (sta->sdata->bss != &sdata->u.ap)
2484 continue;
2485
2486 /* This station doesn't support MIMO - skip it */
2487 if (sta_info_tx_streams(sta) == 1)
2488 continue;
2489
2490 /*
2491 * Don't wake up a STA just to send the action frame
2492 * unless we are getting more restrictive.
2493 */
2494 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2495 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2496 smps_mode)) {
2497 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2498 sta->sta.addr);
2499 continue;
2500 }
2501
2502 /*
2503 * If the STA is not authorized, wait until it gets
2504 * authorized and the action frame will be sent then.
2505 */
2506 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2507 continue;
2508
2509 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2510 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2511 sdata->vif.bss_conf.bssid);
2512 }
2513 mutex_unlock(&sdata->local->sta_mtx);
2514
2515 sdata->smps_mode = smps_mode;
2516 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2517
2518 return 0;
2519 }
2520
2521 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2522 enum ieee80211_smps_mode smps_mode)
2523 {
2524 const u8 *ap;
2525 enum ieee80211_smps_mode old_req;
2526 int err;
2527 struct sta_info *sta;
2528 bool tdls_peer_found = false;
2529
2530 lockdep_assert_held(&sdata->wdev.mtx);
2531
2532 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2533 return -EINVAL;
2534
2535 old_req = sdata->u.mgd.req_smps;
2536 sdata->u.mgd.req_smps = smps_mode;
2537
2538 if (old_req == smps_mode &&
2539 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2540 return 0;
2541
2542 /*
2543 * If not associated, or current association is not an HT
2544 * association, there's no need to do anything, just store
2545 * the new value until we associate.
2546 */
2547 if (!sdata->u.mgd.associated ||
2548 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2549 return 0;
2550
2551 ap = sdata->u.mgd.associated->bssid;
2552
2553 rcu_read_lock();
2554 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2555 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2556 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2557 continue;
2558
2559 tdls_peer_found = true;
2560 break;
2561 }
2562 rcu_read_unlock();
2563
2564 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2565 if (tdls_peer_found || !sdata->u.mgd.powersave)
2566 smps_mode = IEEE80211_SMPS_OFF;
2567 else
2568 smps_mode = IEEE80211_SMPS_DYNAMIC;
2569 }
2570
2571 /* send SM PS frame to AP */
2572 err = ieee80211_send_smps_action(sdata, smps_mode,
2573 ap, ap);
2574 if (err)
2575 sdata->u.mgd.req_smps = old_req;
2576 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2577 ieee80211_teardown_tdls_peers(sdata);
2578
2579 return err;
2580 }
2581
2582 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2583 bool enabled, int timeout)
2584 {
2585 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2586 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2587
2588 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2589 return -EOPNOTSUPP;
2590
2591 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2592 return -EOPNOTSUPP;
2593
2594 if (enabled == sdata->u.mgd.powersave &&
2595 timeout == local->dynamic_ps_forced_timeout)
2596 return 0;
2597
2598 sdata->u.mgd.powersave = enabled;
2599 local->dynamic_ps_forced_timeout = timeout;
2600
2601 /* no change, but if automatic follow powersave */
2602 sdata_lock(sdata);
2603 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2604 sdata_unlock(sdata);
2605
2606 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2607 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2608
2609 ieee80211_recalc_ps(local);
2610 ieee80211_recalc_ps_vif(sdata);
2611
2612 return 0;
2613 }
2614
2615 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2616 struct net_device *dev,
2617 s32 rssi_thold, u32 rssi_hyst)
2618 {
2619 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2620 struct ieee80211_vif *vif = &sdata->vif;
2621 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2622
2623 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2624 rssi_hyst == bss_conf->cqm_rssi_hyst)
2625 return 0;
2626
2627 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2628 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2629 return -EOPNOTSUPP;
2630
2631 bss_conf->cqm_rssi_thold = rssi_thold;
2632 bss_conf->cqm_rssi_hyst = rssi_hyst;
2633 sdata->u.mgd.last_cqm_event_signal = 0;
2634
2635 /* tell the driver upon association, unless already associated */
2636 if (sdata->u.mgd.associated &&
2637 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2638 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2639
2640 return 0;
2641 }
2642
2643 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2644 struct net_device *dev,
2645 const u8 *addr,
2646 const struct cfg80211_bitrate_mask *mask)
2647 {
2648 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2649 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2650 int i, ret;
2651
2652 if (!ieee80211_sdata_running(sdata))
2653 return -ENETDOWN;
2654
2655 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2656 ret = drv_set_bitrate_mask(local, sdata, mask);
2657 if (ret)
2658 return ret;
2659 }
2660
2661 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2662 struct ieee80211_supported_band *sband = wiphy->bands[i];
2663 int j;
2664
2665 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2666 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2667 sizeof(mask->control[i].ht_mcs));
2668 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2669 mask->control[i].vht_mcs,
2670 sizeof(mask->control[i].vht_mcs));
2671
2672 sdata->rc_has_mcs_mask[i] = false;
2673 sdata->rc_has_vht_mcs_mask[i] = false;
2674 if (!sband)
2675 continue;
2676
2677 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2678 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2679 sdata->rc_has_mcs_mask[i] = true;
2680 break;
2681 }
2682 }
2683
2684 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2685 if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2686 sdata->rc_has_vht_mcs_mask[i] = true;
2687 break;
2688 }
2689 }
2690 }
2691
2692 return 0;
2693 }
2694
2695 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2696 struct net_device *dev,
2697 struct cfg80211_chan_def *chandef,
2698 u32 cac_time_ms)
2699 {
2700 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2701 struct ieee80211_local *local = sdata->local;
2702 int err;
2703
2704 mutex_lock(&local->mtx);
2705 if (!list_empty(&local->roc_list) || local->scanning) {
2706 err = -EBUSY;
2707 goto out_unlock;
2708 }
2709
2710 /* whatever, but channel contexts should not complain about that one */
2711 sdata->smps_mode = IEEE80211_SMPS_OFF;
2712 sdata->needed_rx_chains = local->rx_chains;
2713
2714 err = ieee80211_vif_use_channel(sdata, chandef,
2715 IEEE80211_CHANCTX_SHARED);
2716 if (err)
2717 goto out_unlock;
2718
2719 ieee80211_queue_delayed_work(&sdata->local->hw,
2720 &sdata->dfs_cac_timer_work,
2721 msecs_to_jiffies(cac_time_ms));
2722
2723 out_unlock:
2724 mutex_unlock(&local->mtx);
2725 return err;
2726 }
2727
2728 static struct cfg80211_beacon_data *
2729 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2730 {
2731 struct cfg80211_beacon_data *new_beacon;
2732 u8 *pos;
2733 int len;
2734
2735 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2736 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2737 beacon->probe_resp_len;
2738
2739 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2740 if (!new_beacon)
2741 return NULL;
2742
2743 pos = (u8 *)(new_beacon + 1);
2744 if (beacon->head_len) {
2745 new_beacon->head_len = beacon->head_len;
2746 new_beacon->head = pos;
2747 memcpy(pos, beacon->head, beacon->head_len);
2748 pos += beacon->head_len;
2749 }
2750 if (beacon->tail_len) {
2751 new_beacon->tail_len = beacon->tail_len;
2752 new_beacon->tail = pos;
2753 memcpy(pos, beacon->tail, beacon->tail_len);
2754 pos += beacon->tail_len;
2755 }
2756 if (beacon->beacon_ies_len) {
2757 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2758 new_beacon->beacon_ies = pos;
2759 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2760 pos += beacon->beacon_ies_len;
2761 }
2762 if (beacon->proberesp_ies_len) {
2763 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2764 new_beacon->proberesp_ies = pos;
2765 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2766 pos += beacon->proberesp_ies_len;
2767 }
2768 if (beacon->assocresp_ies_len) {
2769 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2770 new_beacon->assocresp_ies = pos;
2771 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2772 pos += beacon->assocresp_ies_len;
2773 }
2774 if (beacon->probe_resp_len) {
2775 new_beacon->probe_resp_len = beacon->probe_resp_len;
2776 beacon->probe_resp = pos;
2777 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2778 pos += beacon->probe_resp_len;
2779 }
2780
2781 return new_beacon;
2782 }
2783
2784 void ieee80211_csa_finish(struct ieee80211_vif *vif)
2785 {
2786 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
2787
2788 ieee80211_queue_work(&sdata->local->hw,
2789 &sdata->csa_finalize_work);
2790 }
2791 EXPORT_SYMBOL(ieee80211_csa_finish);
2792
2793 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2794 u32 *changed)
2795 {
2796 int err;
2797
2798 switch (sdata->vif.type) {
2799 case NL80211_IFTYPE_AP:
2800 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2801 NULL);
2802 kfree(sdata->u.ap.next_beacon);
2803 sdata->u.ap.next_beacon = NULL;
2804
2805 if (err < 0)
2806 return err;
2807 *changed |= err;
2808 break;
2809 case NL80211_IFTYPE_ADHOC:
2810 err = ieee80211_ibss_finish_csa(sdata);
2811 if (err < 0)
2812 return err;
2813 *changed |= err;
2814 break;
2815 #ifdef CONFIG_MAC80211_MESH
2816 case NL80211_IFTYPE_MESH_POINT:
2817 err = ieee80211_mesh_finish_csa(sdata);
2818 if (err < 0)
2819 return err;
2820 *changed |= err;
2821 break;
2822 #endif
2823 default:
2824 WARN_ON(1);
2825 return -EINVAL;
2826 }
2827
2828 return 0;
2829 }
2830
2831 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2832 {
2833 struct ieee80211_local *local = sdata->local;
2834 u32 changed = 0;
2835 int err;
2836
2837 sdata_assert_lock(sdata);
2838 lockdep_assert_held(&local->mtx);
2839 lockdep_assert_held(&local->chanctx_mtx);
2840
2841 /*
2842 * using reservation isn't immediate as it may be deferred until later
2843 * with multi-vif. once reservation is complete it will re-schedule the
2844 * work with no reserved_chanctx so verify chandef to check if it
2845 * completed successfully
2846 */
2847
2848 if (sdata->reserved_chanctx) {
2849 /*
2850 * with multi-vif csa driver may call ieee80211_csa_finish()
2851 * many times while waiting for other interfaces to use their
2852 * reservations
2853 */
2854 if (sdata->reserved_ready)
2855 return 0;
2856
2857 return ieee80211_vif_use_reserved_context(sdata);
2858 }
2859
2860 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
2861 &sdata->csa_chandef))
2862 return -EINVAL;
2863
2864 sdata->vif.csa_active = false;
2865
2866 err = ieee80211_set_after_csa_beacon(sdata, &changed);
2867 if (err)
2868 return err;
2869
2870 ieee80211_bss_info_change_notify(sdata, changed);
2871
2872 if (sdata->csa_block_tx) {
2873 ieee80211_wake_vif_queues(local, sdata,
2874 IEEE80211_QUEUE_STOP_REASON_CSA);
2875 sdata->csa_block_tx = false;
2876 }
2877
2878 err = drv_post_channel_switch(sdata);
2879 if (err)
2880 return err;
2881
2882 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
2883
2884 return 0;
2885 }
2886
2887 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2888 {
2889 if (__ieee80211_csa_finalize(sdata)) {
2890 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
2891 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
2892 GFP_KERNEL);
2893 }
2894 }
2895
2896 void ieee80211_csa_finalize_work(struct work_struct *work)
2897 {
2898 struct ieee80211_sub_if_data *sdata =
2899 container_of(work, struct ieee80211_sub_if_data,
2900 csa_finalize_work);
2901 struct ieee80211_local *local = sdata->local;
2902
2903 sdata_lock(sdata);
2904 mutex_lock(&local->mtx);
2905 mutex_lock(&local->chanctx_mtx);
2906
2907 /* AP might have been stopped while waiting for the lock. */
2908 if (!sdata->vif.csa_active)
2909 goto unlock;
2910
2911 if (!ieee80211_sdata_running(sdata))
2912 goto unlock;
2913
2914 ieee80211_csa_finalize(sdata);
2915
2916 unlock:
2917 mutex_unlock(&local->chanctx_mtx);
2918 mutex_unlock(&local->mtx);
2919 sdata_unlock(sdata);
2920 }
2921
2922 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
2923 struct cfg80211_csa_settings *params,
2924 u32 *changed)
2925 {
2926 struct ieee80211_csa_settings csa = {};
2927 int err;
2928
2929 switch (sdata->vif.type) {
2930 case NL80211_IFTYPE_AP:
2931 sdata->u.ap.next_beacon =
2932 cfg80211_beacon_dup(&params->beacon_after);
2933 if (!sdata->u.ap.next_beacon)
2934 return -ENOMEM;
2935
2936 /*
2937 * With a count of 0, we don't have to wait for any
2938 * TBTT before switching, so complete the CSA
2939 * immediately. In theory, with a count == 1 we
2940 * should delay the switch until just before the next
2941 * TBTT, but that would complicate things so we switch
2942 * immediately too. If we would delay the switch
2943 * until the next TBTT, we would have to set the probe
2944 * response here.
2945 *
2946 * TODO: A channel switch with count <= 1 without
2947 * sending a CSA action frame is kind of useless,
2948 * because the clients won't know we're changing
2949 * channels. The action frame must be implemented
2950 * either here or in the userspace.
2951 */
2952 if (params->count <= 1)
2953 break;
2954
2955 if ((params->n_counter_offsets_beacon >
2956 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
2957 (params->n_counter_offsets_presp >
2958 IEEE80211_MAX_CSA_COUNTERS_NUM))
2959 return -EINVAL;
2960
2961 csa.counter_offsets_beacon = params->counter_offsets_beacon;
2962 csa.counter_offsets_presp = params->counter_offsets_presp;
2963 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
2964 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
2965 csa.count = params->count;
2966
2967 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
2968 if (err < 0) {
2969 kfree(sdata->u.ap.next_beacon);
2970 return err;
2971 }
2972 *changed |= err;
2973
2974 break;
2975 case NL80211_IFTYPE_ADHOC:
2976 if (!sdata->vif.bss_conf.ibss_joined)
2977 return -EINVAL;
2978
2979 if (params->chandef.width != sdata->u.ibss.chandef.width)
2980 return -EINVAL;
2981
2982 switch (params->chandef.width) {
2983 case NL80211_CHAN_WIDTH_40:
2984 if (cfg80211_get_chandef_type(&params->chandef) !=
2985 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
2986 return -EINVAL;
2987 case NL80211_CHAN_WIDTH_5:
2988 case NL80211_CHAN_WIDTH_10:
2989 case NL80211_CHAN_WIDTH_20_NOHT:
2990 case NL80211_CHAN_WIDTH_20:
2991 break;
2992 default:
2993 return -EINVAL;
2994 }
2995
2996 /* changes into another band are not supported */
2997 if (sdata->u.ibss.chandef.chan->band !=
2998 params->chandef.chan->band)
2999 return -EINVAL;
3000
3001 /* see comments in the NL80211_IFTYPE_AP block */
3002 if (params->count > 1) {
3003 err = ieee80211_ibss_csa_beacon(sdata, params);
3004 if (err < 0)
3005 return err;
3006 *changed |= err;
3007 }
3008
3009 ieee80211_send_action_csa(sdata, params);
3010
3011 break;
3012 #ifdef CONFIG_MAC80211_MESH
3013 case NL80211_IFTYPE_MESH_POINT: {
3014 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3015
3016 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3017 return -EINVAL;
3018
3019 /* changes into another band are not supported */
3020 if (sdata->vif.bss_conf.chandef.chan->band !=
3021 params->chandef.chan->band)
3022 return -EINVAL;
3023
3024 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3025 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3026 if (!ifmsh->pre_value)
3027 ifmsh->pre_value = 1;
3028 else
3029 ifmsh->pre_value++;
3030 }
3031
3032 /* see comments in the NL80211_IFTYPE_AP block */
3033 if (params->count > 1) {
3034 err = ieee80211_mesh_csa_beacon(sdata, params);
3035 if (err < 0) {
3036 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3037 return err;
3038 }
3039 *changed |= err;
3040 }
3041
3042 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3043 ieee80211_send_action_csa(sdata, params);
3044
3045 break;
3046 }
3047 #endif
3048 default:
3049 return -EOPNOTSUPP;
3050 }
3051
3052 return 0;
3053 }
3054
3055 static int
3056 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3057 struct cfg80211_csa_settings *params)
3058 {
3059 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3060 struct ieee80211_local *local = sdata->local;
3061 struct ieee80211_channel_switch ch_switch;
3062 struct ieee80211_chanctx_conf *conf;
3063 struct ieee80211_chanctx *chanctx;
3064 u32 changed = 0;
3065 int err;
3066
3067 sdata_assert_lock(sdata);
3068 lockdep_assert_held(&local->mtx);
3069
3070 if (!list_empty(&local->roc_list) || local->scanning)
3071 return -EBUSY;
3072
3073 if (sdata->wdev.cac_started)
3074 return -EBUSY;
3075
3076 if (cfg80211_chandef_identical(&params->chandef,
3077 &sdata->vif.bss_conf.chandef))
3078 return -EINVAL;
3079
3080 /* don't allow another channel switch if one is already active. */
3081 if (sdata->vif.csa_active)
3082 return -EBUSY;
3083
3084 mutex_lock(&local->chanctx_mtx);
3085 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3086 lockdep_is_held(&local->chanctx_mtx));
3087 if (!conf) {
3088 err = -EBUSY;
3089 goto out;
3090 }
3091
3092 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3093
3094 ch_switch.timestamp = 0;
3095 ch_switch.device_timestamp = 0;
3096 ch_switch.block_tx = params->block_tx;
3097 ch_switch.chandef = params->chandef;
3098 ch_switch.count = params->count;
3099
3100 err = drv_pre_channel_switch(sdata, &ch_switch);
3101 if (err)
3102 goto out;
3103
3104 err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3105 chanctx->mode,
3106 params->radar_required);
3107 if (err)
3108 goto out;
3109
3110 /* if reservation is invalid then this will fail */
3111 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3112 if (err) {
3113 ieee80211_vif_unreserve_chanctx(sdata);
3114 goto out;
3115 }
3116
3117 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3118 if (err) {
3119 ieee80211_vif_unreserve_chanctx(sdata);
3120 goto out;
3121 }
3122
3123 sdata->csa_chandef = params->chandef;
3124 sdata->csa_block_tx = params->block_tx;
3125 sdata->vif.csa_active = true;
3126
3127 if (sdata->csa_block_tx)
3128 ieee80211_stop_vif_queues(local, sdata,
3129 IEEE80211_QUEUE_STOP_REASON_CSA);
3130
3131 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3132 params->count);
3133
3134 if (changed) {
3135 ieee80211_bss_info_change_notify(sdata, changed);
3136 drv_channel_switch_beacon(sdata, &params->chandef);
3137 } else {
3138 /* if the beacon didn't change, we can finalize immediately */
3139 ieee80211_csa_finalize(sdata);
3140 }
3141
3142 out:
3143 mutex_unlock(&local->chanctx_mtx);
3144 return err;
3145 }
3146
3147 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3148 struct cfg80211_csa_settings *params)
3149 {
3150 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3151 struct ieee80211_local *local = sdata->local;
3152 int err;
3153
3154 mutex_lock(&local->mtx);
3155 err = __ieee80211_channel_switch(wiphy, dev, params);
3156 mutex_unlock(&local->mtx);
3157
3158 return err;
3159 }
3160
3161 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3162 {
3163 lockdep_assert_held(&local->mtx);
3164
3165 local->roc_cookie_counter++;
3166
3167 /* wow, you wrapped 64 bits ... more likely a bug */
3168 if (WARN_ON(local->roc_cookie_counter == 0))
3169 local->roc_cookie_counter++;
3170
3171 return local->roc_cookie_counter;
3172 }
3173
3174 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3175 u64 *cookie, gfp_t gfp)
3176 {
3177 unsigned long spin_flags;
3178 struct sk_buff *ack_skb;
3179 int id;
3180
3181 ack_skb = skb_copy(skb, gfp);
3182 if (!ack_skb)
3183 return -ENOMEM;
3184
3185 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3186 id = idr_alloc(&local->ack_status_frames, ack_skb,
3187 1, 0x10000, GFP_ATOMIC);
3188 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3189
3190 if (id < 0) {
3191 kfree_skb(ack_skb);
3192 return -ENOMEM;
3193 }
3194
3195 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3196
3197 *cookie = ieee80211_mgmt_tx_cookie(local);
3198 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3199
3200 return 0;
3201 }
3202
3203 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3204 struct wireless_dev *wdev,
3205 u16 frame_type, bool reg)
3206 {
3207 struct ieee80211_local *local = wiphy_priv(wiphy);
3208 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3209
3210 switch (frame_type) {
3211 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3212 if (reg) {
3213 local->probe_req_reg++;
3214 sdata->vif.probe_req_reg++;
3215 } else {
3216 if (local->probe_req_reg)
3217 local->probe_req_reg--;
3218
3219 if (sdata->vif.probe_req_reg)
3220 sdata->vif.probe_req_reg--;
3221 }
3222
3223 if (!local->open_count)
3224 break;
3225
3226 if (sdata->vif.probe_req_reg == 1)
3227 drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3228 FIF_PROBE_REQ);
3229 else if (sdata->vif.probe_req_reg == 0)
3230 drv_config_iface_filter(local, sdata, 0,
3231 FIF_PROBE_REQ);
3232
3233 ieee80211_configure_filter(local);
3234 break;
3235 default:
3236 break;
3237 }
3238 }
3239
3240 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3241 {
3242 struct ieee80211_local *local = wiphy_priv(wiphy);
3243
3244 if (local->started)
3245 return -EOPNOTSUPP;
3246
3247 return drv_set_antenna(local, tx_ant, rx_ant);
3248 }
3249
3250 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3251 {
3252 struct ieee80211_local *local = wiphy_priv(wiphy);
3253
3254 return drv_get_antenna(local, tx_ant, rx_ant);
3255 }
3256
3257 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3258 struct net_device *dev,
3259 struct cfg80211_gtk_rekey_data *data)
3260 {
3261 struct ieee80211_local *local = wiphy_priv(wiphy);
3262 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3263
3264 if (!local->ops->set_rekey_data)
3265 return -EOPNOTSUPP;
3266
3267 drv_set_rekey_data(local, sdata, data);
3268
3269 return 0;
3270 }
3271
3272 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3273 const u8 *peer, u64 *cookie)
3274 {
3275 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3276 struct ieee80211_local *local = sdata->local;
3277 struct ieee80211_qos_hdr *nullfunc;
3278 struct sk_buff *skb;
3279 int size = sizeof(*nullfunc);
3280 __le16 fc;
3281 bool qos;
3282 struct ieee80211_tx_info *info;
3283 struct sta_info *sta;
3284 struct ieee80211_chanctx_conf *chanctx_conf;
3285 enum nl80211_band band;
3286 int ret;
3287
3288 /* the lock is needed to assign the cookie later */
3289 mutex_lock(&local->mtx);
3290
3291 rcu_read_lock();
3292 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3293 if (WARN_ON(!chanctx_conf)) {
3294 ret = -EINVAL;
3295 goto unlock;
3296 }
3297 band = chanctx_conf->def.chan->band;
3298 sta = sta_info_get_bss(sdata, peer);
3299 if (sta) {
3300 qos = sta->sta.wme;
3301 } else {
3302 ret = -ENOLINK;
3303 goto unlock;
3304 }
3305
3306 if (qos) {
3307 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3308 IEEE80211_STYPE_QOS_NULLFUNC |
3309 IEEE80211_FCTL_FROMDS);
3310 } else {
3311 size -= 2;
3312 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3313 IEEE80211_STYPE_NULLFUNC |
3314 IEEE80211_FCTL_FROMDS);
3315 }
3316
3317 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3318 if (!skb) {
3319 ret = -ENOMEM;
3320 goto unlock;
3321 }
3322
3323 skb->dev = dev;
3324
3325 skb_reserve(skb, local->hw.extra_tx_headroom);
3326
3327 nullfunc = (void *) skb_put(skb, size);
3328 nullfunc->frame_control = fc;
3329 nullfunc->duration_id = 0;
3330 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3331 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3332 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3333 nullfunc->seq_ctrl = 0;
3334
3335 info = IEEE80211_SKB_CB(skb);
3336
3337 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3338 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3339 info->band = band;
3340
3341 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3342 skb->priority = 7;
3343 if (qos)
3344 nullfunc->qos_ctrl = cpu_to_le16(7);
3345
3346 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3347 if (ret) {
3348 kfree_skb(skb);
3349 goto unlock;
3350 }
3351
3352 local_bh_disable();
3353 ieee80211_xmit(sdata, sta, skb);
3354 local_bh_enable();
3355
3356 ret = 0;
3357 unlock:
3358 rcu_read_unlock();
3359 mutex_unlock(&local->mtx);
3360
3361 return ret;
3362 }
3363
3364 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3365 struct wireless_dev *wdev,
3366 struct cfg80211_chan_def *chandef)
3367 {
3368 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3369 struct ieee80211_local *local = wiphy_priv(wiphy);
3370 struct ieee80211_chanctx_conf *chanctx_conf;
3371 int ret = -ENODATA;
3372
3373 rcu_read_lock();
3374 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3375 if (chanctx_conf) {
3376 *chandef = sdata->vif.bss_conf.chandef;
3377 ret = 0;
3378 } else if (local->open_count > 0 &&
3379 local->open_count == local->monitors &&
3380 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3381 if (local->use_chanctx)
3382 *chandef = local->monitor_chandef;
3383 else
3384 *chandef = local->_oper_chandef;
3385 ret = 0;
3386 }
3387 rcu_read_unlock();
3388
3389 return ret;
3390 }
3391
3392 #ifdef CONFIG_PM
3393 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3394 {
3395 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3396 }
3397 #endif
3398
3399 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3400 struct net_device *dev,
3401 struct cfg80211_qos_map *qos_map)
3402 {
3403 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3404 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3405
3406 if (qos_map) {
3407 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3408 if (!new_qos_map)
3409 return -ENOMEM;
3410 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3411 } else {
3412 /* A NULL qos_map was passed to disable QoS mapping */
3413 new_qos_map = NULL;
3414 }
3415
3416 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3417 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3418 if (old_qos_map)
3419 kfree_rcu(old_qos_map, rcu_head);
3420
3421 return 0;
3422 }
3423
3424 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3425 struct net_device *dev,
3426 struct cfg80211_chan_def *chandef)
3427 {
3428 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3429 int ret;
3430 u32 changed = 0;
3431
3432 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3433 if (ret == 0)
3434 ieee80211_bss_info_change_notify(sdata, changed);
3435
3436 return ret;
3437 }
3438
3439 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3440 u8 tsid, const u8 *peer, u8 up,
3441 u16 admitted_time)
3442 {
3443 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3444 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3445 int ac = ieee802_1d_to_ac[up];
3446
3447 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3448 return -EOPNOTSUPP;
3449
3450 if (!(sdata->wmm_acm & BIT(up)))
3451 return -EINVAL;
3452
3453 if (ifmgd->tx_tspec[ac].admitted_time)
3454 return -EBUSY;
3455
3456 if (admitted_time) {
3457 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3458 ifmgd->tx_tspec[ac].tsid = tsid;
3459 ifmgd->tx_tspec[ac].up = up;
3460 }
3461
3462 return 0;
3463 }
3464
3465 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3466 u8 tsid, const u8 *peer)
3467 {
3468 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3469 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3470 struct ieee80211_local *local = wiphy_priv(wiphy);
3471 int ac;
3472
3473 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3474 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3475
3476 /* skip unused entries */
3477 if (!tx_tspec->admitted_time)
3478 continue;
3479
3480 if (tx_tspec->tsid != tsid)
3481 continue;
3482
3483 /* due to this new packets will be reassigned to non-ACM ACs */
3484 tx_tspec->up = -1;
3485
3486 /* Make sure that all packets have been sent to avoid to
3487 * restore the QoS params on packets that are still on the
3488 * queues.
3489 */
3490 synchronize_net();
3491 ieee80211_flush_queues(local, sdata, false);
3492
3493 /* restore the normal QoS parameters
3494 * (unconditionally to avoid races)
3495 */
3496 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3497 tx_tspec->downgraded = false;
3498 ieee80211_sta_handle_tspec_ac_params(sdata);
3499
3500 /* finally clear all the data */
3501 memset(tx_tspec, 0, sizeof(*tx_tspec));
3502
3503 return 0;
3504 }
3505
3506 return -ENOENT;
3507 }
3508
3509 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3510 u8 inst_id,
3511 enum nl80211_nan_func_term_reason reason,
3512 gfp_t gfp)
3513 {
3514 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3515 struct cfg80211_nan_func *func;
3516 u64 cookie;
3517
3518 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3519 return;
3520
3521 spin_lock_bh(&sdata->u.nan.func_lock);
3522
3523 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3524 if (WARN_ON(!func)) {
3525 spin_unlock_bh(&sdata->u.nan.func_lock);
3526 return;
3527 }
3528
3529 cookie = func->cookie;
3530 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3531
3532 spin_unlock_bh(&sdata->u.nan.func_lock);
3533
3534 cfg80211_free_nan_func(func);
3535
3536 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3537 reason, cookie, gfp);
3538 }
3539 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3540
3541 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3542 struct cfg80211_nan_match_params *match,
3543 gfp_t gfp)
3544 {
3545 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3546 struct cfg80211_nan_func *func;
3547
3548 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3549 return;
3550
3551 spin_lock_bh(&sdata->u.nan.func_lock);
3552
3553 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3554 if (WARN_ON(!func)) {
3555 spin_unlock_bh(&sdata->u.nan.func_lock);
3556 return;
3557 }
3558 match->cookie = func->cookie;
3559
3560 spin_unlock_bh(&sdata->u.nan.func_lock);
3561
3562 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3563 }
3564 EXPORT_SYMBOL(ieee80211_nan_func_match);
3565
3566 const struct cfg80211_ops mac80211_config_ops = {
3567 .add_virtual_intf = ieee80211_add_iface,
3568 .del_virtual_intf = ieee80211_del_iface,
3569 .change_virtual_intf = ieee80211_change_iface,
3570 .start_p2p_device = ieee80211_start_p2p_device,
3571 .stop_p2p_device = ieee80211_stop_p2p_device,
3572 .add_key = ieee80211_add_key,
3573 .del_key = ieee80211_del_key,
3574 .get_key = ieee80211_get_key,
3575 .set_default_key = ieee80211_config_default_key,
3576 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3577 .start_ap = ieee80211_start_ap,
3578 .change_beacon = ieee80211_change_beacon,
3579 .stop_ap = ieee80211_stop_ap,
3580 .add_station = ieee80211_add_station,
3581 .del_station = ieee80211_del_station,
3582 .change_station = ieee80211_change_station,
3583 .get_station = ieee80211_get_station,
3584 .dump_station = ieee80211_dump_station,
3585 .dump_survey = ieee80211_dump_survey,
3586 #ifdef CONFIG_MAC80211_MESH
3587 .add_mpath = ieee80211_add_mpath,
3588 .del_mpath = ieee80211_del_mpath,
3589 .change_mpath = ieee80211_change_mpath,
3590 .get_mpath = ieee80211_get_mpath,
3591 .dump_mpath = ieee80211_dump_mpath,
3592 .get_mpp = ieee80211_get_mpp,
3593 .dump_mpp = ieee80211_dump_mpp,
3594 .update_mesh_config = ieee80211_update_mesh_config,
3595 .get_mesh_config = ieee80211_get_mesh_config,
3596 .join_mesh = ieee80211_join_mesh,
3597 .leave_mesh = ieee80211_leave_mesh,
3598 #endif
3599 .join_ocb = ieee80211_join_ocb,
3600 .leave_ocb = ieee80211_leave_ocb,
3601 .change_bss = ieee80211_change_bss,
3602 .set_txq_params = ieee80211_set_txq_params,
3603 .set_monitor_channel = ieee80211_set_monitor_channel,
3604 .suspend = ieee80211_suspend,
3605 .resume = ieee80211_resume,
3606 .scan = ieee80211_scan,
3607 .abort_scan = ieee80211_abort_scan,
3608 .sched_scan_start = ieee80211_sched_scan_start,
3609 .sched_scan_stop = ieee80211_sched_scan_stop,
3610 .auth = ieee80211_auth,
3611 .assoc = ieee80211_assoc,
3612 .deauth = ieee80211_deauth,
3613 .disassoc = ieee80211_disassoc,
3614 .join_ibss = ieee80211_join_ibss,
3615 .leave_ibss = ieee80211_leave_ibss,
3616 .set_mcast_rate = ieee80211_set_mcast_rate,
3617 .set_wiphy_params = ieee80211_set_wiphy_params,
3618 .set_tx_power = ieee80211_set_tx_power,
3619 .get_tx_power = ieee80211_get_tx_power,
3620 .set_wds_peer = ieee80211_set_wds_peer,
3621 .rfkill_poll = ieee80211_rfkill_poll,
3622 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3623 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3624 .set_power_mgmt = ieee80211_set_power_mgmt,
3625 .set_bitrate_mask = ieee80211_set_bitrate_mask,
3626 .remain_on_channel = ieee80211_remain_on_channel,
3627 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3628 .mgmt_tx = ieee80211_mgmt_tx,
3629 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3630 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3631 .mgmt_frame_register = ieee80211_mgmt_frame_register,
3632 .set_antenna = ieee80211_set_antenna,
3633 .get_antenna = ieee80211_get_antenna,
3634 .set_rekey_data = ieee80211_set_rekey_data,
3635 .tdls_oper = ieee80211_tdls_oper,
3636 .tdls_mgmt = ieee80211_tdls_mgmt,
3637 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3638 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
3639 .probe_client = ieee80211_probe_client,
3640 .set_noack_map = ieee80211_set_noack_map,
3641 #ifdef CONFIG_PM
3642 .set_wakeup = ieee80211_set_wakeup,
3643 #endif
3644 .get_channel = ieee80211_cfg_get_channel,
3645 .start_radar_detection = ieee80211_start_radar_detection,
3646 .channel_switch = ieee80211_channel_switch,
3647 .set_qos_map = ieee80211_set_qos_map,
3648 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
3649 .add_tx_ts = ieee80211_add_tx_ts,
3650 .del_tx_ts = ieee80211_del_tx_ts,
3651 .start_nan = ieee80211_start_nan,
3652 .stop_nan = ieee80211_stop_nan,
3653 .nan_change_conf = ieee80211_nan_change_conf,
3654 .add_nan_func = ieee80211_add_nan_func,
3655 .del_nan_func = ieee80211_del_nan_func,
3656 };
(deprecated) Btrfs devel tree