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cfg80211: Fix radar event during another phy CAC
[mirror_ubuntu-bionic-kernel.git] / net / mac80211 / cfg.c
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) 2015-2017 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 void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
26 struct vif_params *params)
27 {
28 bool mu_mimo_groups = false;
29 bool mu_mimo_follow = false;
30
31 if (params->vht_mumimo_groups) {
32 u64 membership;
33
34 BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);
35
36 memcpy(sdata->vif.bss_conf.mu_group.membership,
37 params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
38 memcpy(sdata->vif.bss_conf.mu_group.position,
39 params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
40 WLAN_USER_POSITION_LEN);
41 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS);
42 /* don't care about endianness - just check for 0 */
43 memcpy(&membership, params->vht_mumimo_groups,
44 WLAN_MEMBERSHIP_LEN);
45 mu_mimo_groups = membership != 0;
46 }
47
48 if (params->vht_mumimo_follow_addr) {
49 mu_mimo_follow =
50 is_valid_ether_addr(params->vht_mumimo_follow_addr);
51 ether_addr_copy(sdata->u.mntr.mu_follow_addr,
52 params->vht_mumimo_follow_addr);
53 }
54
55 sdata->vif.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
56 }
57
58 static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata,
59 struct vif_params *params)
60 {
61 struct ieee80211_local *local = sdata->local;
62 struct ieee80211_sub_if_data *monitor_sdata;
63
64 /* check flags first */
65 if (params->flags && ieee80211_sdata_running(sdata)) {
66 u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE;
67
68 /*
69 * Prohibit MONITOR_FLAG_COOK_FRAMES and
70 * MONITOR_FLAG_ACTIVE to be changed while the
71 * interface is up.
72 * Else we would need to add a lot of cruft
73 * to update everything:
74 * cooked_mntrs, monitor and all fif_* counters
75 * reconfigure hardware
76 */
77 if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
78 return -EBUSY;
79 }
80
81 /* also validate MU-MIMO change */
82 monitor_sdata = rtnl_dereference(local->monitor_sdata);
83
84 if (!monitor_sdata &&
85 (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
86 return -EOPNOTSUPP;
87
88 /* apply all changes now - no failures allowed */
89
90 if (monitor_sdata)
91 ieee80211_set_mu_mimo_follow(monitor_sdata, params);
92
93 if (params->flags) {
94 if (ieee80211_sdata_running(sdata)) {
95 ieee80211_adjust_monitor_flags(sdata, -1);
96 sdata->u.mntr.flags = params->flags;
97 ieee80211_adjust_monitor_flags(sdata, 1);
98
99 ieee80211_configure_filter(local);
100 } else {
101 /*
102 * Because the interface is down, ieee80211_do_stop
103 * and ieee80211_do_open take care of "everything"
104 * mentioned in the comment above.
105 */
106 sdata->u.mntr.flags = params->flags;
107 }
108 }
109
110 return 0;
111 }
112
113 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
114 const char *name,
115 unsigned char name_assign_type,
116 enum nl80211_iftype type,
117 struct vif_params *params)
118 {
119 struct ieee80211_local *local = wiphy_priv(wiphy);
120 struct wireless_dev *wdev;
121 struct ieee80211_sub_if_data *sdata;
122 int err;
123
124 err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
125 if (err)
126 return ERR_PTR(err);
127
128 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
129
130 if (type == NL80211_IFTYPE_MONITOR) {
131 err = ieee80211_set_mon_options(sdata, params);
132 if (err) {
133 ieee80211_if_remove(sdata);
134 return NULL;
135 }
136 }
137
138 return wdev;
139 }
140
141 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
142 {
143 ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
144
145 return 0;
146 }
147
148 static int ieee80211_change_iface(struct wiphy *wiphy,
149 struct net_device *dev,
150 enum nl80211_iftype type,
151 struct vif_params *params)
152 {
153 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
154 int ret;
155
156 ret = ieee80211_if_change_type(sdata, type);
157 if (ret)
158 return ret;
159
160 if (type == NL80211_IFTYPE_AP_VLAN &&
161 params && params->use_4addr == 0) {
162 RCU_INIT_POINTER(sdata->u.vlan.sta, NULL);
163 ieee80211_check_fast_rx_iface(sdata);
164 } else if (type == NL80211_IFTYPE_STATION &&
165 params && params->use_4addr >= 0) {
166 sdata->u.mgd.use_4addr = params->use_4addr;
167 }
168
169 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
170 ret = ieee80211_set_mon_options(sdata, params);
171 if (ret)
172 return ret;
173 }
174
175 return 0;
176 }
177
178 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
179 struct wireless_dev *wdev)
180 {
181 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
182 int ret;
183
184 mutex_lock(&sdata->local->chanctx_mtx);
185 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
186 mutex_unlock(&sdata->local->chanctx_mtx);
187 if (ret < 0)
188 return ret;
189
190 return ieee80211_do_open(wdev, true);
191 }
192
193 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
194 struct wireless_dev *wdev)
195 {
196 ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
197 }
198
199 static int ieee80211_start_nan(struct wiphy *wiphy,
200 struct wireless_dev *wdev,
201 struct cfg80211_nan_conf *conf)
202 {
203 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
204 int ret;
205
206 mutex_lock(&sdata->local->chanctx_mtx);
207 ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
208 mutex_unlock(&sdata->local->chanctx_mtx);
209 if (ret < 0)
210 return ret;
211
212 ret = ieee80211_do_open(wdev, true);
213 if (ret)
214 return ret;
215
216 ret = drv_start_nan(sdata->local, sdata, conf);
217 if (ret)
218 ieee80211_sdata_stop(sdata);
219
220 sdata->u.nan.conf = *conf;
221
222 return ret;
223 }
224
225 static void ieee80211_stop_nan(struct wiphy *wiphy,
226 struct wireless_dev *wdev)
227 {
228 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
229
230 drv_stop_nan(sdata->local, sdata);
231 ieee80211_sdata_stop(sdata);
232 }
233
234 static int ieee80211_nan_change_conf(struct wiphy *wiphy,
235 struct wireless_dev *wdev,
236 struct cfg80211_nan_conf *conf,
237 u32 changes)
238 {
239 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
240 struct cfg80211_nan_conf new_conf;
241 int ret = 0;
242
243 if (sdata->vif.type != NL80211_IFTYPE_NAN)
244 return -EOPNOTSUPP;
245
246 if (!ieee80211_sdata_running(sdata))
247 return -ENETDOWN;
248
249 new_conf = sdata->u.nan.conf;
250
251 if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
252 new_conf.master_pref = conf->master_pref;
253
254 if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
255 new_conf.bands = conf->bands;
256
257 ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
258 if (!ret)
259 sdata->u.nan.conf = new_conf;
260
261 return ret;
262 }
263
264 static int ieee80211_add_nan_func(struct wiphy *wiphy,
265 struct wireless_dev *wdev,
266 struct cfg80211_nan_func *nan_func)
267 {
268 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
269 int ret;
270
271 if (sdata->vif.type != NL80211_IFTYPE_NAN)
272 return -EOPNOTSUPP;
273
274 if (!ieee80211_sdata_running(sdata))
275 return -ENETDOWN;
276
277 spin_lock_bh(&sdata->u.nan.func_lock);
278
279 ret = idr_alloc(&sdata->u.nan.function_inst_ids,
280 nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
281 GFP_ATOMIC);
282 spin_unlock_bh(&sdata->u.nan.func_lock);
283
284 if (ret < 0)
285 return ret;
286
287 nan_func->instance_id = ret;
288
289 WARN_ON(nan_func->instance_id == 0);
290
291 ret = drv_add_nan_func(sdata->local, sdata, nan_func);
292 if (ret) {
293 spin_lock_bh(&sdata->u.nan.func_lock);
294 idr_remove(&sdata->u.nan.function_inst_ids,
295 nan_func->instance_id);
296 spin_unlock_bh(&sdata->u.nan.func_lock);
297 }
298
299 return ret;
300 }
301
302 static struct cfg80211_nan_func *
303 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
304 u64 cookie)
305 {
306 struct cfg80211_nan_func *func;
307 int id;
308
309 lockdep_assert_held(&sdata->u.nan.func_lock);
310
311 idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
312 if (func->cookie == cookie)
313 return func;
314 }
315
316 return NULL;
317 }
318
319 static void ieee80211_del_nan_func(struct wiphy *wiphy,
320 struct wireless_dev *wdev, u64 cookie)
321 {
322 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
323 struct cfg80211_nan_func *func;
324 u8 instance_id = 0;
325
326 if (sdata->vif.type != NL80211_IFTYPE_NAN ||
327 !ieee80211_sdata_running(sdata))
328 return;
329
330 spin_lock_bh(&sdata->u.nan.func_lock);
331
332 func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
333 if (func)
334 instance_id = func->instance_id;
335
336 spin_unlock_bh(&sdata->u.nan.func_lock);
337
338 if (instance_id)
339 drv_del_nan_func(sdata->local, sdata, instance_id);
340 }
341
342 static int ieee80211_set_noack_map(struct wiphy *wiphy,
343 struct net_device *dev,
344 u16 noack_map)
345 {
346 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
347
348 sdata->noack_map = noack_map;
349
350 ieee80211_check_fast_xmit_iface(sdata);
351
352 return 0;
353 }
354
355 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
356 u8 key_idx, bool pairwise, const u8 *mac_addr,
357 struct key_params *params)
358 {
359 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
360 struct ieee80211_local *local = sdata->local;
361 struct sta_info *sta = NULL;
362 const struct ieee80211_cipher_scheme *cs = NULL;
363 struct ieee80211_key *key;
364 int err;
365
366 if (!ieee80211_sdata_running(sdata))
367 return -ENETDOWN;
368
369 /* reject WEP and TKIP keys if WEP failed to initialize */
370 switch (params->cipher) {
371 case WLAN_CIPHER_SUITE_WEP40:
372 case WLAN_CIPHER_SUITE_TKIP:
373 case WLAN_CIPHER_SUITE_WEP104:
374 if (IS_ERR(local->wep_tx_tfm))
375 return -EINVAL;
376 break;
377 case WLAN_CIPHER_SUITE_CCMP:
378 case WLAN_CIPHER_SUITE_CCMP_256:
379 case WLAN_CIPHER_SUITE_AES_CMAC:
380 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
381 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
382 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
383 case WLAN_CIPHER_SUITE_GCMP:
384 case WLAN_CIPHER_SUITE_GCMP_256:
385 break;
386 default:
387 cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
388 break;
389 }
390
391 key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
392 params->key, params->seq_len, params->seq,
393 cs);
394 if (IS_ERR(key))
395 return PTR_ERR(key);
396
397 if (pairwise)
398 key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
399
400 mutex_lock(&local->sta_mtx);
401
402 if (mac_addr) {
403 sta = sta_info_get_bss(sdata, mac_addr);
404 /*
405 * The ASSOC test makes sure the driver is ready to
406 * receive the key. When wpa_supplicant has roamed
407 * using FT, it attempts to set the key before
408 * association has completed, this rejects that attempt
409 * so it will set the key again after association.
410 *
411 * TODO: accept the key if we have a station entry and
412 * add it to the device after the station.
413 */
414 if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
415 ieee80211_key_free_unused(key);
416 err = -ENOENT;
417 goto out_unlock;
418 }
419 }
420
421 switch (sdata->vif.type) {
422 case NL80211_IFTYPE_STATION:
423 if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
424 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
425 break;
426 case NL80211_IFTYPE_AP:
427 case NL80211_IFTYPE_AP_VLAN:
428 /* Keys without a station are used for TX only */
429 if (sta && test_sta_flag(sta, WLAN_STA_MFP))
430 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
431 break;
432 case NL80211_IFTYPE_ADHOC:
433 /* no MFP (yet) */
434 break;
435 case NL80211_IFTYPE_MESH_POINT:
436 #ifdef CONFIG_MAC80211_MESH
437 if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
438 key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
439 break;
440 #endif
441 case NL80211_IFTYPE_WDS:
442 case NL80211_IFTYPE_MONITOR:
443 case NL80211_IFTYPE_P2P_DEVICE:
444 case NL80211_IFTYPE_NAN:
445 case NL80211_IFTYPE_UNSPECIFIED:
446 case NUM_NL80211_IFTYPES:
447 case NL80211_IFTYPE_P2P_CLIENT:
448 case NL80211_IFTYPE_P2P_GO:
449 case NL80211_IFTYPE_OCB:
450 /* shouldn't happen */
451 WARN_ON_ONCE(1);
452 break;
453 }
454
455 if (sta)
456 sta->cipher_scheme = cs;
457
458 err = ieee80211_key_link(key, sdata, sta);
459
460 out_unlock:
461 mutex_unlock(&local->sta_mtx);
462
463 return err;
464 }
465
466 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
467 u8 key_idx, bool pairwise, const u8 *mac_addr)
468 {
469 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
470 struct ieee80211_local *local = sdata->local;
471 struct sta_info *sta;
472 struct ieee80211_key *key = NULL;
473 int ret;
474
475 mutex_lock(&local->sta_mtx);
476 mutex_lock(&local->key_mtx);
477
478 if (mac_addr) {
479 ret = -ENOENT;
480
481 sta = sta_info_get_bss(sdata, mac_addr);
482 if (!sta)
483 goto out_unlock;
484
485 if (pairwise)
486 key = key_mtx_dereference(local, sta->ptk[key_idx]);
487 else
488 key = key_mtx_dereference(local, sta->gtk[key_idx]);
489 } else
490 key = key_mtx_dereference(local, sdata->keys[key_idx]);
491
492 if (!key) {
493 ret = -ENOENT;
494 goto out_unlock;
495 }
496
497 ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
498
499 ret = 0;
500 out_unlock:
501 mutex_unlock(&local->key_mtx);
502 mutex_unlock(&local->sta_mtx);
503
504 return ret;
505 }
506
507 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
508 u8 key_idx, bool pairwise, const u8 *mac_addr,
509 void *cookie,
510 void (*callback)(void *cookie,
511 struct key_params *params))
512 {
513 struct ieee80211_sub_if_data *sdata;
514 struct sta_info *sta = NULL;
515 u8 seq[6] = {0};
516 struct key_params params;
517 struct ieee80211_key *key = NULL;
518 u64 pn64;
519 u32 iv32;
520 u16 iv16;
521 int err = -ENOENT;
522 struct ieee80211_key_seq kseq = {};
523
524 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
525
526 rcu_read_lock();
527
528 if (mac_addr) {
529 sta = sta_info_get_bss(sdata, mac_addr);
530 if (!sta)
531 goto out;
532
533 if (pairwise && key_idx < NUM_DEFAULT_KEYS)
534 key = rcu_dereference(sta->ptk[key_idx]);
535 else if (!pairwise &&
536 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS)
537 key = rcu_dereference(sta->gtk[key_idx]);
538 } else
539 key = rcu_dereference(sdata->keys[key_idx]);
540
541 if (!key)
542 goto out;
543
544 memset(&params, 0, sizeof(params));
545
546 params.cipher = key->conf.cipher;
547
548 switch (key->conf.cipher) {
549 case WLAN_CIPHER_SUITE_TKIP:
550 pn64 = atomic64_read(&key->conf.tx_pn);
551 iv32 = TKIP_PN_TO_IV32(pn64);
552 iv16 = TKIP_PN_TO_IV16(pn64);
553
554 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
555 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
556 drv_get_key_seq(sdata->local, key, &kseq);
557 iv32 = kseq.tkip.iv32;
558 iv16 = kseq.tkip.iv16;
559 }
560
561 seq[0] = iv16 & 0xff;
562 seq[1] = (iv16 >> 8) & 0xff;
563 seq[2] = iv32 & 0xff;
564 seq[3] = (iv32 >> 8) & 0xff;
565 seq[4] = (iv32 >> 16) & 0xff;
566 seq[5] = (iv32 >> 24) & 0xff;
567 params.seq = seq;
568 params.seq_len = 6;
569 break;
570 case WLAN_CIPHER_SUITE_CCMP:
571 case WLAN_CIPHER_SUITE_CCMP_256:
572 case WLAN_CIPHER_SUITE_AES_CMAC:
573 case WLAN_CIPHER_SUITE_BIP_CMAC_256:
574 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
575 offsetof(typeof(kseq), aes_cmac));
576 case WLAN_CIPHER_SUITE_BIP_GMAC_128:
577 case WLAN_CIPHER_SUITE_BIP_GMAC_256:
578 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
579 offsetof(typeof(kseq), aes_gmac));
580 case WLAN_CIPHER_SUITE_GCMP:
581 case WLAN_CIPHER_SUITE_GCMP_256:
582 BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
583 offsetof(typeof(kseq), gcmp));
584
585 if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
586 !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
587 drv_get_key_seq(sdata->local, key, &kseq);
588 memcpy(seq, kseq.ccmp.pn, 6);
589 } else {
590 pn64 = atomic64_read(&key->conf.tx_pn);
591 seq[0] = pn64;
592 seq[1] = pn64 >> 8;
593 seq[2] = pn64 >> 16;
594 seq[3] = pn64 >> 24;
595 seq[4] = pn64 >> 32;
596 seq[5] = pn64 >> 40;
597 }
598 params.seq = seq;
599 params.seq_len = 6;
600 break;
601 default:
602 if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
603 break;
604 if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
605 break;
606 drv_get_key_seq(sdata->local, key, &kseq);
607 params.seq = kseq.hw.seq;
608 params.seq_len = kseq.hw.seq_len;
609 break;
610 }
611
612 params.key = key->conf.key;
613 params.key_len = key->conf.keylen;
614
615 callback(cookie, &params);
616 err = 0;
617
618 out:
619 rcu_read_unlock();
620 return err;
621 }
622
623 static int ieee80211_config_default_key(struct wiphy *wiphy,
624 struct net_device *dev,
625 u8 key_idx, bool uni,
626 bool multi)
627 {
628 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
629
630 ieee80211_set_default_key(sdata, key_idx, uni, multi);
631
632 return 0;
633 }
634
635 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
636 struct net_device *dev,
637 u8 key_idx)
638 {
639 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
640
641 ieee80211_set_default_mgmt_key(sdata, key_idx);
642
643 return 0;
644 }
645
646 void sta_set_rate_info_tx(struct sta_info *sta,
647 const struct ieee80211_tx_rate *rate,
648 struct rate_info *rinfo)
649 {
650 rinfo->flags = 0;
651 if (rate->flags & IEEE80211_TX_RC_MCS) {
652 rinfo->flags |= RATE_INFO_FLAGS_MCS;
653 rinfo->mcs = rate->idx;
654 } else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
655 rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
656 rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
657 rinfo->nss = ieee80211_rate_get_vht_nss(rate);
658 } else {
659 struct ieee80211_supported_band *sband;
660 int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
661 u16 brate;
662
663 sband = ieee80211_get_sband(sta->sdata);
664 if (sband) {
665 brate = sband->bitrates[rate->idx].bitrate;
666 rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
667 }
668 }
669 if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
670 rinfo->bw = RATE_INFO_BW_40;
671 else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
672 rinfo->bw = RATE_INFO_BW_80;
673 else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
674 rinfo->bw = RATE_INFO_BW_160;
675 else
676 rinfo->bw = RATE_INFO_BW_20;
677 if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
678 rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
679 }
680
681 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
682 int idx, u8 *mac, struct station_info *sinfo)
683 {
684 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
685 struct ieee80211_local *local = sdata->local;
686 struct sta_info *sta;
687 int ret = -ENOENT;
688
689 mutex_lock(&local->sta_mtx);
690
691 sta = sta_info_get_by_idx(sdata, idx);
692 if (sta) {
693 ret = 0;
694 memcpy(mac, sta->sta.addr, ETH_ALEN);
695 sta_set_sinfo(sta, sinfo);
696 }
697
698 mutex_unlock(&local->sta_mtx);
699
700 return ret;
701 }
702
703 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
704 int idx, struct survey_info *survey)
705 {
706 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
707
708 return drv_get_survey(local, idx, survey);
709 }
710
711 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
712 const u8 *mac, struct station_info *sinfo)
713 {
714 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
715 struct ieee80211_local *local = sdata->local;
716 struct sta_info *sta;
717 int ret = -ENOENT;
718
719 mutex_lock(&local->sta_mtx);
720
721 sta = sta_info_get_bss(sdata, mac);
722 if (sta) {
723 ret = 0;
724 sta_set_sinfo(sta, sinfo);
725 }
726
727 mutex_unlock(&local->sta_mtx);
728
729 return ret;
730 }
731
732 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
733 struct cfg80211_chan_def *chandef)
734 {
735 struct ieee80211_local *local = wiphy_priv(wiphy);
736 struct ieee80211_sub_if_data *sdata;
737 int ret = 0;
738
739 if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
740 return 0;
741
742 mutex_lock(&local->mtx);
743 if (local->use_chanctx) {
744 sdata = rtnl_dereference(local->monitor_sdata);
745 if (sdata) {
746 ieee80211_vif_release_channel(sdata);
747 ret = ieee80211_vif_use_channel(sdata, chandef,
748 IEEE80211_CHANCTX_EXCLUSIVE);
749 }
750 } else if (local->open_count == local->monitors) {
751 local->_oper_chandef = *chandef;
752 ieee80211_hw_config(local, 0);
753 }
754
755 if (ret == 0)
756 local->monitor_chandef = *chandef;
757 mutex_unlock(&local->mtx);
758
759 return ret;
760 }
761
762 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
763 const u8 *resp, size_t resp_len,
764 const struct ieee80211_csa_settings *csa)
765 {
766 struct probe_resp *new, *old;
767
768 if (!resp || !resp_len)
769 return 1;
770
771 old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
772
773 new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
774 if (!new)
775 return -ENOMEM;
776
777 new->len = resp_len;
778 memcpy(new->data, resp, resp_len);
779
780 if (csa)
781 memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
782 csa->n_counter_offsets_presp *
783 sizeof(new->csa_counter_offsets[0]));
784
785 rcu_assign_pointer(sdata->u.ap.probe_resp, new);
786 if (old)
787 kfree_rcu(old, rcu_head);
788
789 return 0;
790 }
791
792 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
793 struct cfg80211_beacon_data *params,
794 const struct ieee80211_csa_settings *csa)
795 {
796 struct beacon_data *new, *old;
797 int new_head_len, new_tail_len;
798 int size, err;
799 u32 changed = BSS_CHANGED_BEACON;
800
801 old = sdata_dereference(sdata->u.ap.beacon, sdata);
802
803
804 /* Need to have a beacon head if we don't have one yet */
805 if (!params->head && !old)
806 return -EINVAL;
807
808 /* new or old head? */
809 if (params->head)
810 new_head_len = params->head_len;
811 else
812 new_head_len = old->head_len;
813
814 /* new or old tail? */
815 if (params->tail || !old)
816 /* params->tail_len will be zero for !params->tail */
817 new_tail_len = params->tail_len;
818 else
819 new_tail_len = old->tail_len;
820
821 size = sizeof(*new) + new_head_len + new_tail_len;
822
823 new = kzalloc(size, GFP_KERNEL);
824 if (!new)
825 return -ENOMEM;
826
827 /* start filling the new info now */
828
829 /*
830 * pointers go into the block we allocated,
831 * memory is | beacon_data | head | tail |
832 */
833 new->head = ((u8 *) new) + sizeof(*new);
834 new->tail = new->head + new_head_len;
835 new->head_len = new_head_len;
836 new->tail_len = new_tail_len;
837
838 if (csa) {
839 new->csa_current_counter = csa->count;
840 memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
841 csa->n_counter_offsets_beacon *
842 sizeof(new->csa_counter_offsets[0]));
843 }
844
845 /* copy in head */
846 if (params->head)
847 memcpy(new->head, params->head, new_head_len);
848 else
849 memcpy(new->head, old->head, new_head_len);
850
851 /* copy in optional tail */
852 if (params->tail)
853 memcpy(new->tail, params->tail, new_tail_len);
854 else
855 if (old)
856 memcpy(new->tail, old->tail, new_tail_len);
857
858 err = ieee80211_set_probe_resp(sdata, params->probe_resp,
859 params->probe_resp_len, csa);
860 if (err < 0)
861 return err;
862 if (err == 0)
863 changed |= BSS_CHANGED_AP_PROBE_RESP;
864
865 rcu_assign_pointer(sdata->u.ap.beacon, new);
866
867 if (old)
868 kfree_rcu(old, rcu_head);
869
870 return changed;
871 }
872
873 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
874 struct cfg80211_ap_settings *params)
875 {
876 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
877 struct ieee80211_local *local = sdata->local;
878 struct beacon_data *old;
879 struct ieee80211_sub_if_data *vlan;
880 u32 changed = BSS_CHANGED_BEACON_INT |
881 BSS_CHANGED_BEACON_ENABLED |
882 BSS_CHANGED_BEACON |
883 BSS_CHANGED_SSID |
884 BSS_CHANGED_P2P_PS |
885 BSS_CHANGED_TXPOWER;
886 int err;
887 int prev_beacon_int;
888
889 old = sdata_dereference(sdata->u.ap.beacon, sdata);
890 if (old)
891 return -EALREADY;
892
893 switch (params->smps_mode) {
894 case NL80211_SMPS_OFF:
895 sdata->smps_mode = IEEE80211_SMPS_OFF;
896 break;
897 case NL80211_SMPS_STATIC:
898 sdata->smps_mode = IEEE80211_SMPS_STATIC;
899 break;
900 case NL80211_SMPS_DYNAMIC:
901 sdata->smps_mode = IEEE80211_SMPS_DYNAMIC;
902 break;
903 default:
904 return -EINVAL;
905 }
906 sdata->u.ap.req_smps = sdata->smps_mode;
907
908 sdata->needed_rx_chains = sdata->local->rx_chains;
909
910 prev_beacon_int = sdata->vif.bss_conf.beacon_int;
911 sdata->vif.bss_conf.beacon_int = params->beacon_interval;
912
913 mutex_lock(&local->mtx);
914 err = ieee80211_vif_use_channel(sdata, &params->chandef,
915 IEEE80211_CHANCTX_SHARED);
916 if (!err)
917 ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
918 mutex_unlock(&local->mtx);
919 if (err) {
920 sdata->vif.bss_conf.beacon_int = prev_beacon_int;
921 return err;
922 }
923
924 /*
925 * Apply control port protocol, this allows us to
926 * not encrypt dynamic WEP control frames.
927 */
928 sdata->control_port_protocol = params->crypto.control_port_ethertype;
929 sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
930 sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
931 &params->crypto,
932 sdata->vif.type);
933
934 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
935 vlan->control_port_protocol =
936 params->crypto.control_port_ethertype;
937 vlan->control_port_no_encrypt =
938 params->crypto.control_port_no_encrypt;
939 vlan->encrypt_headroom =
940 ieee80211_cs_headroom(sdata->local,
941 &params->crypto,
942 vlan->vif.type);
943 }
944
945 sdata->vif.bss_conf.dtim_period = params->dtim_period;
946 sdata->vif.bss_conf.enable_beacon = true;
947 sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
948
949 sdata->vif.bss_conf.ssid_len = params->ssid_len;
950 if (params->ssid_len)
951 memcpy(sdata->vif.bss_conf.ssid, params->ssid,
952 params->ssid_len);
953 sdata->vif.bss_conf.hidden_ssid =
954 (params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
955
956 memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
957 sizeof(sdata->vif.bss_conf.p2p_noa_attr));
958 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
959 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
960 if (params->p2p_opp_ps)
961 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
962 IEEE80211_P2P_OPPPS_ENABLE_BIT;
963
964 err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
965 if (err < 0) {
966 ieee80211_vif_release_channel(sdata);
967 return err;
968 }
969 changed |= err;
970
971 err = drv_start_ap(sdata->local, sdata);
972 if (err) {
973 old = sdata_dereference(sdata->u.ap.beacon, sdata);
974
975 if (old)
976 kfree_rcu(old, rcu_head);
977 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
978 ieee80211_vif_release_channel(sdata);
979 return err;
980 }
981
982 ieee80211_recalc_dtim(local, sdata);
983 ieee80211_bss_info_change_notify(sdata, changed);
984
985 netif_carrier_on(dev);
986 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
987 netif_carrier_on(vlan->dev);
988
989 return 0;
990 }
991
992 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
993 struct cfg80211_beacon_data *params)
994 {
995 struct ieee80211_sub_if_data *sdata;
996 struct beacon_data *old;
997 int err;
998
999 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1000 sdata_assert_lock(sdata);
1001
1002 /* don't allow changing the beacon while CSA is in place - offset
1003 * of channel switch counter may change
1004 */
1005 if (sdata->vif.csa_active)
1006 return -EBUSY;
1007
1008 old = sdata_dereference(sdata->u.ap.beacon, sdata);
1009 if (!old)
1010 return -ENOENT;
1011
1012 err = ieee80211_assign_beacon(sdata, params, NULL);
1013 if (err < 0)
1014 return err;
1015 ieee80211_bss_info_change_notify(sdata, err);
1016 return 0;
1017 }
1018
1019 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1020 {
1021 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1022 struct ieee80211_sub_if_data *vlan;
1023 struct ieee80211_local *local = sdata->local;
1024 struct beacon_data *old_beacon;
1025 struct probe_resp *old_probe_resp;
1026 struct cfg80211_chan_def chandef;
1027
1028 sdata_assert_lock(sdata);
1029
1030 old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1031 if (!old_beacon)
1032 return -ENOENT;
1033 old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1034
1035 /* abort any running channel switch */
1036 mutex_lock(&local->mtx);
1037 sdata->vif.csa_active = false;
1038 if (sdata->csa_block_tx) {
1039 ieee80211_wake_vif_queues(local, sdata,
1040 IEEE80211_QUEUE_STOP_REASON_CSA);
1041 sdata->csa_block_tx = false;
1042 }
1043
1044 mutex_unlock(&local->mtx);
1045
1046 kfree(sdata->u.ap.next_beacon);
1047 sdata->u.ap.next_beacon = NULL;
1048
1049 /* turn off carrier for this interface and dependent VLANs */
1050 list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1051 netif_carrier_off(vlan->dev);
1052 netif_carrier_off(dev);
1053
1054 /* remove beacon and probe response */
1055 RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1056 RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1057 kfree_rcu(old_beacon, rcu_head);
1058 if (old_probe_resp)
1059 kfree_rcu(old_probe_resp, rcu_head);
1060 sdata->u.ap.driver_smps_mode = IEEE80211_SMPS_OFF;
1061
1062 __sta_info_flush(sdata, true);
1063 ieee80211_free_keys(sdata, true);
1064
1065 sdata->vif.bss_conf.enable_beacon = false;
1066 sdata->vif.bss_conf.ssid_len = 0;
1067 clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1068 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1069
1070 if (sdata->wdev.cac_started) {
1071 chandef = sdata->vif.bss_conf.chandef;
1072 cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1073 cfg80211_cac_event(sdata->dev, &chandef,
1074 NL80211_RADAR_CAC_ABORTED,
1075 GFP_KERNEL);
1076 }
1077
1078 drv_stop_ap(sdata->local, sdata);
1079
1080 /* free all potentially still buffered bcast frames */
1081 local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1082 ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1083
1084 mutex_lock(&local->mtx);
1085 ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1086 ieee80211_vif_release_channel(sdata);
1087 mutex_unlock(&local->mtx);
1088
1089 return 0;
1090 }
1091
1092 static int sta_apply_auth_flags(struct ieee80211_local *local,
1093 struct sta_info *sta,
1094 u32 mask, u32 set)
1095 {
1096 int ret;
1097
1098 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1099 set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1100 !test_sta_flag(sta, WLAN_STA_AUTH)) {
1101 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1102 if (ret)
1103 return ret;
1104 }
1105
1106 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1107 set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1108 !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1109 /*
1110 * When peer becomes associated, init rate control as
1111 * well. Some drivers require rate control initialized
1112 * before drv_sta_state() is called.
1113 */
1114 if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1115 rate_control_rate_init(sta);
1116
1117 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1118 if (ret)
1119 return ret;
1120 }
1121
1122 if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1123 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1124 ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1125 else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1126 ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1127 else
1128 ret = 0;
1129 if (ret)
1130 return ret;
1131 }
1132
1133 if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1134 !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1135 test_sta_flag(sta, WLAN_STA_ASSOC)) {
1136 ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1137 if (ret)
1138 return ret;
1139 }
1140
1141 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1142 !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1143 test_sta_flag(sta, WLAN_STA_AUTH)) {
1144 ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1145 if (ret)
1146 return ret;
1147 }
1148
1149 return 0;
1150 }
1151
1152 static void sta_apply_mesh_params(struct ieee80211_local *local,
1153 struct sta_info *sta,
1154 struct station_parameters *params)
1155 {
1156 #ifdef CONFIG_MAC80211_MESH
1157 struct ieee80211_sub_if_data *sdata = sta->sdata;
1158 u32 changed = 0;
1159
1160 if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1161 switch (params->plink_state) {
1162 case NL80211_PLINK_ESTAB:
1163 if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1164 changed = mesh_plink_inc_estab_count(sdata);
1165 sta->mesh->plink_state = params->plink_state;
1166 sta->mesh->aid = params->peer_aid;
1167
1168 ieee80211_mps_sta_status_update(sta);
1169 changed |= ieee80211_mps_set_sta_local_pm(sta,
1170 sdata->u.mesh.mshcfg.power_mode);
1171 break;
1172 case NL80211_PLINK_LISTEN:
1173 case NL80211_PLINK_BLOCKED:
1174 case NL80211_PLINK_OPN_SNT:
1175 case NL80211_PLINK_OPN_RCVD:
1176 case NL80211_PLINK_CNF_RCVD:
1177 case NL80211_PLINK_HOLDING:
1178 if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1179 changed = mesh_plink_dec_estab_count(sdata);
1180 sta->mesh->plink_state = params->plink_state;
1181
1182 ieee80211_mps_sta_status_update(sta);
1183 changed |= ieee80211_mps_set_sta_local_pm(sta,
1184 NL80211_MESH_POWER_UNKNOWN);
1185 break;
1186 default:
1187 /* nothing */
1188 break;
1189 }
1190 }
1191
1192 switch (params->plink_action) {
1193 case NL80211_PLINK_ACTION_NO_ACTION:
1194 /* nothing */
1195 break;
1196 case NL80211_PLINK_ACTION_OPEN:
1197 changed |= mesh_plink_open(sta);
1198 break;
1199 case NL80211_PLINK_ACTION_BLOCK:
1200 changed |= mesh_plink_block(sta);
1201 break;
1202 }
1203
1204 if (params->local_pm)
1205 changed |= ieee80211_mps_set_sta_local_pm(sta,
1206 params->local_pm);
1207
1208 ieee80211_mbss_info_change_notify(sdata, changed);
1209 #endif
1210 }
1211
1212 static int sta_apply_parameters(struct ieee80211_local *local,
1213 struct sta_info *sta,
1214 struct station_parameters *params)
1215 {
1216 int ret = 0;
1217 struct ieee80211_supported_band *sband;
1218 struct ieee80211_sub_if_data *sdata = sta->sdata;
1219 u32 mask, set;
1220
1221 sband = ieee80211_get_sband(sdata);
1222 if (!sband)
1223 return -EINVAL;
1224
1225 mask = params->sta_flags_mask;
1226 set = params->sta_flags_set;
1227
1228 if (ieee80211_vif_is_mesh(&sdata->vif)) {
1229 /*
1230 * In mesh mode, ASSOCIATED isn't part of the nl80211
1231 * API but must follow AUTHENTICATED for driver state.
1232 */
1233 if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1234 mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1235 if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1236 set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1237 } else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1238 /*
1239 * TDLS -- everything follows authorized, but
1240 * only becoming authorized is possible, not
1241 * going back
1242 */
1243 if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1244 set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1245 BIT(NL80211_STA_FLAG_ASSOCIATED);
1246 mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1247 BIT(NL80211_STA_FLAG_ASSOCIATED);
1248 }
1249 }
1250
1251 if (mask & BIT(NL80211_STA_FLAG_WME) &&
1252 local->hw.queues >= IEEE80211_NUM_ACS)
1253 sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1254
1255 /* auth flags will be set later for TDLS,
1256 * and for unassociated stations that move to assocaited */
1257 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1258 !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1259 (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1260 ret = sta_apply_auth_flags(local, sta, mask, set);
1261 if (ret)
1262 return ret;
1263 }
1264
1265 if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1266 if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1267 set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1268 else
1269 clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1270 }
1271
1272 if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1273 sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1274 if (set & BIT(NL80211_STA_FLAG_MFP))
1275 set_sta_flag(sta, WLAN_STA_MFP);
1276 else
1277 clear_sta_flag(sta, WLAN_STA_MFP);
1278 }
1279
1280 if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1281 if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1282 set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1283 else
1284 clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1285 }
1286
1287 /* mark TDLS channel switch support, if the AP allows it */
1288 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1289 !sdata->u.mgd.tdls_chan_switch_prohibited &&
1290 params->ext_capab_len >= 4 &&
1291 params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1292 set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1293
1294 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1295 !sdata->u.mgd.tdls_wider_bw_prohibited &&
1296 ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1297 params->ext_capab_len >= 8 &&
1298 params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1299 set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1300
1301 if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1302 sta->sta.uapsd_queues = params->uapsd_queues;
1303 sta->sta.max_sp = params->max_sp;
1304 }
1305
1306 /* The sender might not have sent the last bit, consider it to be 0 */
1307 if (params->ext_capab_len >= 8) {
1308 u8 val = (params->ext_capab[7] &
1309 WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1310
1311 /* we did get all the bits, take the MSB as well */
1312 if (params->ext_capab_len >= 9) {
1313 u8 val_msb = params->ext_capab[8] &
1314 WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1315 val_msb <<= 1;
1316 val |= val_msb;
1317 }
1318
1319 switch (val) {
1320 case 1:
1321 sta->sta.max_amsdu_subframes = 32;
1322 break;
1323 case 2:
1324 sta->sta.max_amsdu_subframes = 16;
1325 break;
1326 case 3:
1327 sta->sta.max_amsdu_subframes = 8;
1328 break;
1329 default:
1330 sta->sta.max_amsdu_subframes = 0;
1331 }
1332 }
1333
1334 /*
1335 * cfg80211 validates this (1-2007) and allows setting the AID
1336 * only when creating a new station entry
1337 */
1338 if (params->aid)
1339 sta->sta.aid = params->aid;
1340
1341 /*
1342 * Some of the following updates would be racy if called on an
1343 * existing station, via ieee80211_change_station(). However,
1344 * all such changes are rejected by cfg80211 except for updates
1345 * changing the supported rates on an existing but not yet used
1346 * TDLS peer.
1347 */
1348
1349 if (params->listen_interval >= 0)
1350 sta->listen_interval = params->listen_interval;
1351
1352 if (params->supported_rates) {
1353 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1354 sband, params->supported_rates,
1355 params->supported_rates_len,
1356 &sta->sta.supp_rates[sband->band]);
1357 }
1358
1359 if (params->ht_capa)
1360 ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1361 params->ht_capa, sta);
1362
1363 /* VHT can override some HT caps such as the A-MSDU max length */
1364 if (params->vht_capa)
1365 ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1366 params->vht_capa, sta);
1367
1368 if (params->opmode_notif_used) {
1369 /* returned value is only needed for rc update, but the
1370 * rc isn't initialized here yet, so ignore it
1371 */
1372 __ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1373 sband->band);
1374 }
1375
1376 if (params->support_p2p_ps >= 0)
1377 sta->sta.support_p2p_ps = params->support_p2p_ps;
1378
1379 if (ieee80211_vif_is_mesh(&sdata->vif))
1380 sta_apply_mesh_params(local, sta, params);
1381
1382 /* set the STA state after all sta info from usermode has been set */
1383 if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1384 set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1385 ret = sta_apply_auth_flags(local, sta, mask, set);
1386 if (ret)
1387 return ret;
1388 }
1389
1390 return 0;
1391 }
1392
1393 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1394 const u8 *mac,
1395 struct station_parameters *params)
1396 {
1397 struct ieee80211_local *local = wiphy_priv(wiphy);
1398 struct sta_info *sta;
1399 struct ieee80211_sub_if_data *sdata;
1400 int err;
1401
1402 if (params->vlan) {
1403 sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1404
1405 if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1406 sdata->vif.type != NL80211_IFTYPE_AP)
1407 return -EINVAL;
1408 } else
1409 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1410
1411 if (ether_addr_equal(mac, sdata->vif.addr))
1412 return -EINVAL;
1413
1414 if (is_multicast_ether_addr(mac))
1415 return -EINVAL;
1416
1417 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1418 sdata->vif.type == NL80211_IFTYPE_STATION &&
1419 !sdata->u.mgd.associated)
1420 return -EINVAL;
1421
1422 sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1423 if (!sta)
1424 return -ENOMEM;
1425
1426 if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1427 sta->sta.tdls = true;
1428
1429 err = sta_apply_parameters(local, sta, params);
1430 if (err) {
1431 sta_info_free(local, sta);
1432 return err;
1433 }
1434
1435 /*
1436 * for TDLS and for unassociated station, rate control should be
1437 * initialized only when rates are known and station is marked
1438 * authorized/associated
1439 */
1440 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1441 test_sta_flag(sta, WLAN_STA_ASSOC))
1442 rate_control_rate_init(sta);
1443
1444 err = sta_info_insert_rcu(sta);
1445 if (err) {
1446 rcu_read_unlock();
1447 return err;
1448 }
1449
1450 rcu_read_unlock();
1451
1452 return 0;
1453 }
1454
1455 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1456 struct station_del_parameters *params)
1457 {
1458 struct ieee80211_sub_if_data *sdata;
1459
1460 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1461
1462 if (params->mac)
1463 return sta_info_destroy_addr_bss(sdata, params->mac);
1464
1465 sta_info_flush(sdata);
1466 return 0;
1467 }
1468
1469 static int ieee80211_change_station(struct wiphy *wiphy,
1470 struct net_device *dev, const u8 *mac,
1471 struct station_parameters *params)
1472 {
1473 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1474 struct ieee80211_local *local = wiphy_priv(wiphy);
1475 struct sta_info *sta;
1476 struct ieee80211_sub_if_data *vlansdata;
1477 enum cfg80211_station_type statype;
1478 int err;
1479
1480 mutex_lock(&local->sta_mtx);
1481
1482 sta = sta_info_get_bss(sdata, mac);
1483 if (!sta) {
1484 err = -ENOENT;
1485 goto out_err;
1486 }
1487
1488 switch (sdata->vif.type) {
1489 case NL80211_IFTYPE_MESH_POINT:
1490 if (sdata->u.mesh.user_mpm)
1491 statype = CFG80211_STA_MESH_PEER_USER;
1492 else
1493 statype = CFG80211_STA_MESH_PEER_KERNEL;
1494 break;
1495 case NL80211_IFTYPE_ADHOC:
1496 statype = CFG80211_STA_IBSS;
1497 break;
1498 case NL80211_IFTYPE_STATION:
1499 if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1500 statype = CFG80211_STA_AP_STA;
1501 break;
1502 }
1503 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1504 statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1505 else
1506 statype = CFG80211_STA_TDLS_PEER_SETUP;
1507 break;
1508 case NL80211_IFTYPE_AP:
1509 case NL80211_IFTYPE_AP_VLAN:
1510 if (test_sta_flag(sta, WLAN_STA_ASSOC))
1511 statype = CFG80211_STA_AP_CLIENT;
1512 else
1513 statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1514 break;
1515 default:
1516 err = -EOPNOTSUPP;
1517 goto out_err;
1518 }
1519
1520 err = cfg80211_check_station_change(wiphy, params, statype);
1521 if (err)
1522 goto out_err;
1523
1524 if (params->vlan && params->vlan != sta->sdata->dev) {
1525 vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1526
1527 if (params->vlan->ieee80211_ptr->use_4addr) {
1528 if (vlansdata->u.vlan.sta) {
1529 err = -EBUSY;
1530 goto out_err;
1531 }
1532
1533 rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1534 __ieee80211_check_fast_rx_iface(vlansdata);
1535 }
1536
1537 if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1538 sta->sdata->u.vlan.sta)
1539 RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1540
1541 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1542 ieee80211_vif_dec_num_mcast(sta->sdata);
1543
1544 sta->sdata = vlansdata;
1545 ieee80211_check_fast_xmit(sta);
1546
1547 if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1548 ieee80211_vif_inc_num_mcast(sta->sdata);
1549 cfg80211_send_layer2_update(sta->sdata->dev,
1550 sta->sta.addr);
1551 }
1552 }
1553
1554 err = sta_apply_parameters(local, sta, params);
1555 if (err)
1556 goto out_err;
1557
1558 mutex_unlock(&local->sta_mtx);
1559
1560 if ((sdata->vif.type == NL80211_IFTYPE_AP ||
1561 sdata->vif.type == NL80211_IFTYPE_AP_VLAN) &&
1562 sta->known_smps_mode != sta->sdata->bss->req_smps &&
1563 test_sta_flag(sta, WLAN_STA_AUTHORIZED) &&
1564 sta_info_tx_streams(sta) != 1) {
1565 ht_dbg(sta->sdata,
1566 "%pM just authorized and MIMO capable - update SMPS\n",
1567 sta->sta.addr);
1568 ieee80211_send_smps_action(sta->sdata,
1569 sta->sdata->bss->req_smps,
1570 sta->sta.addr,
1571 sta->sdata->vif.bss_conf.bssid);
1572 }
1573
1574 if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1575 params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1576 ieee80211_recalc_ps(local);
1577 ieee80211_recalc_ps_vif(sdata);
1578 }
1579
1580 return 0;
1581 out_err:
1582 mutex_unlock(&local->sta_mtx);
1583 return err;
1584 }
1585
1586 #ifdef CONFIG_MAC80211_MESH
1587 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1588 const u8 *dst, const u8 *next_hop)
1589 {
1590 struct ieee80211_sub_if_data *sdata;
1591 struct mesh_path *mpath;
1592 struct sta_info *sta;
1593
1594 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1595
1596 rcu_read_lock();
1597 sta = sta_info_get(sdata, next_hop);
1598 if (!sta) {
1599 rcu_read_unlock();
1600 return -ENOENT;
1601 }
1602
1603 mpath = mesh_path_add(sdata, dst);
1604 if (IS_ERR(mpath)) {
1605 rcu_read_unlock();
1606 return PTR_ERR(mpath);
1607 }
1608
1609 mesh_path_fix_nexthop(mpath, sta);
1610
1611 rcu_read_unlock();
1612 return 0;
1613 }
1614
1615 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1616 const u8 *dst)
1617 {
1618 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1619
1620 if (dst)
1621 return mesh_path_del(sdata, dst);
1622
1623 mesh_path_flush_by_iface(sdata);
1624 return 0;
1625 }
1626
1627 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1628 const u8 *dst, const u8 *next_hop)
1629 {
1630 struct ieee80211_sub_if_data *sdata;
1631 struct mesh_path *mpath;
1632 struct sta_info *sta;
1633
1634 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1635
1636 rcu_read_lock();
1637
1638 sta = sta_info_get(sdata, next_hop);
1639 if (!sta) {
1640 rcu_read_unlock();
1641 return -ENOENT;
1642 }
1643
1644 mpath = mesh_path_lookup(sdata, dst);
1645 if (!mpath) {
1646 rcu_read_unlock();
1647 return -ENOENT;
1648 }
1649
1650 mesh_path_fix_nexthop(mpath, sta);
1651
1652 rcu_read_unlock();
1653 return 0;
1654 }
1655
1656 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1657 struct mpath_info *pinfo)
1658 {
1659 struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1660
1661 if (next_hop_sta)
1662 memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1663 else
1664 eth_zero_addr(next_hop);
1665
1666 memset(pinfo, 0, sizeof(*pinfo));
1667
1668 pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1669
1670 pinfo->filled = MPATH_INFO_FRAME_QLEN |
1671 MPATH_INFO_SN |
1672 MPATH_INFO_METRIC |
1673 MPATH_INFO_EXPTIME |
1674 MPATH_INFO_DISCOVERY_TIMEOUT |
1675 MPATH_INFO_DISCOVERY_RETRIES |
1676 MPATH_INFO_FLAGS;
1677
1678 pinfo->frame_qlen = mpath->frame_queue.qlen;
1679 pinfo->sn = mpath->sn;
1680 pinfo->metric = mpath->metric;
1681 if (time_before(jiffies, mpath->exp_time))
1682 pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1683 pinfo->discovery_timeout =
1684 jiffies_to_msecs(mpath->discovery_timeout);
1685 pinfo->discovery_retries = mpath->discovery_retries;
1686 if (mpath->flags & MESH_PATH_ACTIVE)
1687 pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1688 if (mpath->flags & MESH_PATH_RESOLVING)
1689 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1690 if (mpath->flags & MESH_PATH_SN_VALID)
1691 pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1692 if (mpath->flags & MESH_PATH_FIXED)
1693 pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1694 if (mpath->flags & MESH_PATH_RESOLVED)
1695 pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1696 }
1697
1698 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1699 u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1700
1701 {
1702 struct ieee80211_sub_if_data *sdata;
1703 struct mesh_path *mpath;
1704
1705 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1706
1707 rcu_read_lock();
1708 mpath = mesh_path_lookup(sdata, dst);
1709 if (!mpath) {
1710 rcu_read_unlock();
1711 return -ENOENT;
1712 }
1713 memcpy(dst, mpath->dst, ETH_ALEN);
1714 mpath_set_pinfo(mpath, next_hop, pinfo);
1715 rcu_read_unlock();
1716 return 0;
1717 }
1718
1719 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1720 int idx, u8 *dst, u8 *next_hop,
1721 struct mpath_info *pinfo)
1722 {
1723 struct ieee80211_sub_if_data *sdata;
1724 struct mesh_path *mpath;
1725
1726 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1727
1728 rcu_read_lock();
1729 mpath = mesh_path_lookup_by_idx(sdata, idx);
1730 if (!mpath) {
1731 rcu_read_unlock();
1732 return -ENOENT;
1733 }
1734 memcpy(dst, mpath->dst, ETH_ALEN);
1735 mpath_set_pinfo(mpath, next_hop, pinfo);
1736 rcu_read_unlock();
1737 return 0;
1738 }
1739
1740 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1741 struct mpath_info *pinfo)
1742 {
1743 memset(pinfo, 0, sizeof(*pinfo));
1744 memcpy(mpp, mpath->mpp, ETH_ALEN);
1745
1746 pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1747 }
1748
1749 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1750 u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1751
1752 {
1753 struct ieee80211_sub_if_data *sdata;
1754 struct mesh_path *mpath;
1755
1756 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1757
1758 rcu_read_lock();
1759 mpath = mpp_path_lookup(sdata, dst);
1760 if (!mpath) {
1761 rcu_read_unlock();
1762 return -ENOENT;
1763 }
1764 memcpy(dst, mpath->dst, ETH_ALEN);
1765 mpp_set_pinfo(mpath, mpp, pinfo);
1766 rcu_read_unlock();
1767 return 0;
1768 }
1769
1770 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1771 int idx, u8 *dst, u8 *mpp,
1772 struct mpath_info *pinfo)
1773 {
1774 struct ieee80211_sub_if_data *sdata;
1775 struct mesh_path *mpath;
1776
1777 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1778
1779 rcu_read_lock();
1780 mpath = mpp_path_lookup_by_idx(sdata, idx);
1781 if (!mpath) {
1782 rcu_read_unlock();
1783 return -ENOENT;
1784 }
1785 memcpy(dst, mpath->dst, ETH_ALEN);
1786 mpp_set_pinfo(mpath, mpp, pinfo);
1787 rcu_read_unlock();
1788 return 0;
1789 }
1790
1791 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1792 struct net_device *dev,
1793 struct mesh_config *conf)
1794 {
1795 struct ieee80211_sub_if_data *sdata;
1796 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1797
1798 memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1799 return 0;
1800 }
1801
1802 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1803 {
1804 return (mask >> (parm-1)) & 0x1;
1805 }
1806
1807 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1808 const struct mesh_setup *setup)
1809 {
1810 u8 *new_ie;
1811 const u8 *old_ie;
1812 struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1813 struct ieee80211_sub_if_data, u.mesh);
1814
1815 /* allocate information elements */
1816 new_ie = NULL;
1817 old_ie = ifmsh->ie;
1818
1819 if (setup->ie_len) {
1820 new_ie = kmemdup(setup->ie, setup->ie_len,
1821 GFP_KERNEL);
1822 if (!new_ie)
1823 return -ENOMEM;
1824 }
1825 ifmsh->ie_len = setup->ie_len;
1826 ifmsh->ie = new_ie;
1827 kfree(old_ie);
1828
1829 /* now copy the rest of the setup parameters */
1830 ifmsh->mesh_id_len = setup->mesh_id_len;
1831 memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1832 ifmsh->mesh_sp_id = setup->sync_method;
1833 ifmsh->mesh_pp_id = setup->path_sel_proto;
1834 ifmsh->mesh_pm_id = setup->path_metric;
1835 ifmsh->user_mpm = setup->user_mpm;
1836 ifmsh->mesh_auth_id = setup->auth_id;
1837 ifmsh->security = IEEE80211_MESH_SEC_NONE;
1838 ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
1839 if (setup->is_authenticated)
1840 ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1841 if (setup->is_secure)
1842 ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1843
1844 /* mcast rate setting in Mesh Node */
1845 memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1846 sizeof(setup->mcast_rate));
1847 sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1848
1849 sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1850 sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1851
1852 return 0;
1853 }
1854
1855 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1856 struct net_device *dev, u32 mask,
1857 const struct mesh_config *nconf)
1858 {
1859 struct mesh_config *conf;
1860 struct ieee80211_sub_if_data *sdata;
1861 struct ieee80211_if_mesh *ifmsh;
1862
1863 sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1864 ifmsh = &sdata->u.mesh;
1865
1866 /* Set the config options which we are interested in setting */
1867 conf = &(sdata->u.mesh.mshcfg);
1868 if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
1869 conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
1870 if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
1871 conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
1872 if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
1873 conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
1874 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
1875 conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
1876 if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
1877 conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
1878 if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
1879 conf->dot11MeshTTL = nconf->dot11MeshTTL;
1880 if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
1881 conf->element_ttl = nconf->element_ttl;
1882 if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
1883 if (ifmsh->user_mpm)
1884 return -EBUSY;
1885 conf->auto_open_plinks = nconf->auto_open_plinks;
1886 }
1887 if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
1888 conf->dot11MeshNbrOffsetMaxNeighbor =
1889 nconf->dot11MeshNbrOffsetMaxNeighbor;
1890 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
1891 conf->dot11MeshHWMPmaxPREQretries =
1892 nconf->dot11MeshHWMPmaxPREQretries;
1893 if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
1894 conf->path_refresh_time = nconf->path_refresh_time;
1895 if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
1896 conf->min_discovery_timeout = nconf->min_discovery_timeout;
1897 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
1898 conf->dot11MeshHWMPactivePathTimeout =
1899 nconf->dot11MeshHWMPactivePathTimeout;
1900 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
1901 conf->dot11MeshHWMPpreqMinInterval =
1902 nconf->dot11MeshHWMPpreqMinInterval;
1903 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
1904 conf->dot11MeshHWMPperrMinInterval =
1905 nconf->dot11MeshHWMPperrMinInterval;
1906 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
1907 mask))
1908 conf->dot11MeshHWMPnetDiameterTraversalTime =
1909 nconf->dot11MeshHWMPnetDiameterTraversalTime;
1910 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
1911 conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
1912 ieee80211_mesh_root_setup(ifmsh);
1913 }
1914 if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
1915 /* our current gate announcement implementation rides on root
1916 * announcements, so require this ifmsh to also be a root node
1917 * */
1918 if (nconf->dot11MeshGateAnnouncementProtocol &&
1919 !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
1920 conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
1921 ieee80211_mesh_root_setup(ifmsh);
1922 }
1923 conf->dot11MeshGateAnnouncementProtocol =
1924 nconf->dot11MeshGateAnnouncementProtocol;
1925 }
1926 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
1927 conf->dot11MeshHWMPRannInterval =
1928 nconf->dot11MeshHWMPRannInterval;
1929 if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
1930 conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
1931 if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
1932 /* our RSSI threshold implementation is supported only for
1933 * devices that report signal in dBm.
1934 */
1935 if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
1936 return -ENOTSUPP;
1937 conf->rssi_threshold = nconf->rssi_threshold;
1938 }
1939 if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
1940 conf->ht_opmode = nconf->ht_opmode;
1941 sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
1942 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
1943 }
1944 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
1945 conf->dot11MeshHWMPactivePathToRootTimeout =
1946 nconf->dot11MeshHWMPactivePathToRootTimeout;
1947 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
1948 conf->dot11MeshHWMProotInterval =
1949 nconf->dot11MeshHWMProotInterval;
1950 if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
1951 conf->dot11MeshHWMPconfirmationInterval =
1952 nconf->dot11MeshHWMPconfirmationInterval;
1953 if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
1954 conf->power_mode = nconf->power_mode;
1955 ieee80211_mps_local_status_update(sdata);
1956 }
1957 if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
1958 conf->dot11MeshAwakeWindowDuration =
1959 nconf->dot11MeshAwakeWindowDuration;
1960 if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
1961 conf->plink_timeout = nconf->plink_timeout;
1962 ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
1963 return 0;
1964 }
1965
1966 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
1967 const struct mesh_config *conf,
1968 const struct mesh_setup *setup)
1969 {
1970 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1971 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
1972 int err;
1973
1974 memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
1975 err = copy_mesh_setup(ifmsh, setup);
1976 if (err)
1977 return err;
1978
1979 /* can mesh use other SMPS modes? */
1980 sdata->smps_mode = IEEE80211_SMPS_OFF;
1981 sdata->needed_rx_chains = sdata->local->rx_chains;
1982
1983 mutex_lock(&sdata->local->mtx);
1984 err = ieee80211_vif_use_channel(sdata, &setup->chandef,
1985 IEEE80211_CHANCTX_SHARED);
1986 mutex_unlock(&sdata->local->mtx);
1987 if (err)
1988 return err;
1989
1990 return ieee80211_start_mesh(sdata);
1991 }
1992
1993 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
1994 {
1995 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1996
1997 ieee80211_stop_mesh(sdata);
1998 mutex_lock(&sdata->local->mtx);
1999 ieee80211_vif_release_channel(sdata);
2000 mutex_unlock(&sdata->local->mtx);
2001
2002 return 0;
2003 }
2004 #endif
2005
2006 static int ieee80211_change_bss(struct wiphy *wiphy,
2007 struct net_device *dev,
2008 struct bss_parameters *params)
2009 {
2010 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2011 struct ieee80211_supported_band *sband;
2012 u32 changed = 0;
2013
2014 if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2015 return -ENOENT;
2016
2017 sband = ieee80211_get_sband(sdata);
2018 if (!sband)
2019 return -EINVAL;
2020
2021 if (params->use_cts_prot >= 0) {
2022 sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2023 changed |= BSS_CHANGED_ERP_CTS_PROT;
2024 }
2025 if (params->use_short_preamble >= 0) {
2026 sdata->vif.bss_conf.use_short_preamble =
2027 params->use_short_preamble;
2028 changed |= BSS_CHANGED_ERP_PREAMBLE;
2029 }
2030
2031 if (!sdata->vif.bss_conf.use_short_slot &&
2032 sband->band == NL80211_BAND_5GHZ) {
2033 sdata->vif.bss_conf.use_short_slot = true;
2034 changed |= BSS_CHANGED_ERP_SLOT;
2035 }
2036
2037 if (params->use_short_slot_time >= 0) {
2038 sdata->vif.bss_conf.use_short_slot =
2039 params->use_short_slot_time;
2040 changed |= BSS_CHANGED_ERP_SLOT;
2041 }
2042
2043 if (params->basic_rates) {
2044 ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2045 wiphy->bands[sband->band],
2046 params->basic_rates,
2047 params->basic_rates_len,
2048 &sdata->vif.bss_conf.basic_rates);
2049 changed |= BSS_CHANGED_BASIC_RATES;
2050 ieee80211_check_rate_mask(sdata);
2051 }
2052
2053 if (params->ap_isolate >= 0) {
2054 if (params->ap_isolate)
2055 sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2056 else
2057 sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2058 ieee80211_check_fast_rx_iface(sdata);
2059 }
2060
2061 if (params->ht_opmode >= 0) {
2062 sdata->vif.bss_conf.ht_operation_mode =
2063 (u16) params->ht_opmode;
2064 changed |= BSS_CHANGED_HT;
2065 }
2066
2067 if (params->p2p_ctwindow >= 0) {
2068 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2069 ~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2070 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2071 params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2072 changed |= BSS_CHANGED_P2P_PS;
2073 }
2074
2075 if (params->p2p_opp_ps > 0) {
2076 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2077 IEEE80211_P2P_OPPPS_ENABLE_BIT;
2078 changed |= BSS_CHANGED_P2P_PS;
2079 } else if (params->p2p_opp_ps == 0) {
2080 sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2081 ~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2082 changed |= BSS_CHANGED_P2P_PS;
2083 }
2084
2085 ieee80211_bss_info_change_notify(sdata, changed);
2086
2087 return 0;
2088 }
2089
2090 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2091 struct net_device *dev,
2092 struct ieee80211_txq_params *params)
2093 {
2094 struct ieee80211_local *local = wiphy_priv(wiphy);
2095 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2096 struct ieee80211_tx_queue_params p;
2097
2098 if (!local->ops->conf_tx)
2099 return -EOPNOTSUPP;
2100
2101 if (local->hw.queues < IEEE80211_NUM_ACS)
2102 return -EOPNOTSUPP;
2103
2104 memset(&p, 0, sizeof(p));
2105 p.aifs = params->aifs;
2106 p.cw_max = params->cwmax;
2107 p.cw_min = params->cwmin;
2108 p.txop = params->txop;
2109
2110 /*
2111 * Setting tx queue params disables u-apsd because it's only
2112 * called in master mode.
2113 */
2114 p.uapsd = false;
2115
2116 sdata->tx_conf[params->ac] = p;
2117 if (drv_conf_tx(local, sdata, params->ac, &p)) {
2118 wiphy_debug(local->hw.wiphy,
2119 "failed to set TX queue parameters for AC %d\n",
2120 params->ac);
2121 return -EINVAL;
2122 }
2123
2124 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2125
2126 return 0;
2127 }
2128
2129 #ifdef CONFIG_PM
2130 static int ieee80211_suspend(struct wiphy *wiphy,
2131 struct cfg80211_wowlan *wowlan)
2132 {
2133 return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2134 }
2135
2136 static int ieee80211_resume(struct wiphy *wiphy)
2137 {
2138 return __ieee80211_resume(wiphy_priv(wiphy));
2139 }
2140 #else
2141 #define ieee80211_suspend NULL
2142 #define ieee80211_resume NULL
2143 #endif
2144
2145 static int ieee80211_scan(struct wiphy *wiphy,
2146 struct cfg80211_scan_request *req)
2147 {
2148 struct ieee80211_sub_if_data *sdata;
2149
2150 sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2151
2152 switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2153 case NL80211_IFTYPE_STATION:
2154 case NL80211_IFTYPE_ADHOC:
2155 case NL80211_IFTYPE_MESH_POINT:
2156 case NL80211_IFTYPE_P2P_CLIENT:
2157 case NL80211_IFTYPE_P2P_DEVICE:
2158 break;
2159 case NL80211_IFTYPE_P2P_GO:
2160 if (sdata->local->ops->hw_scan)
2161 break;
2162 /*
2163 * FIXME: implement NoA while scanning in software,
2164 * for now fall through to allow scanning only when
2165 * beaconing hasn't been configured yet
2166 */
2167 case NL80211_IFTYPE_AP:
2168 /*
2169 * If the scan has been forced (and the driver supports
2170 * forcing), don't care about being beaconing already.
2171 * This will create problems to the attached stations (e.g. all
2172 * the frames sent while scanning on other channel will be
2173 * lost)
2174 */
2175 if (sdata->u.ap.beacon &&
2176 (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2177 !(req->flags & NL80211_SCAN_FLAG_AP)))
2178 return -EOPNOTSUPP;
2179 break;
2180 case NL80211_IFTYPE_NAN:
2181 default:
2182 return -EOPNOTSUPP;
2183 }
2184
2185 return ieee80211_request_scan(sdata, req);
2186 }
2187
2188 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2189 {
2190 ieee80211_scan_cancel(wiphy_priv(wiphy));
2191 }
2192
2193 static int
2194 ieee80211_sched_scan_start(struct wiphy *wiphy,
2195 struct net_device *dev,
2196 struct cfg80211_sched_scan_request *req)
2197 {
2198 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2199
2200 if (!sdata->local->ops->sched_scan_start)
2201 return -EOPNOTSUPP;
2202
2203 return ieee80211_request_sched_scan_start(sdata, req);
2204 }
2205
2206 static int
2207 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2208 u64 reqid)
2209 {
2210 struct ieee80211_local *local = wiphy_priv(wiphy);
2211
2212 if (!local->ops->sched_scan_stop)
2213 return -EOPNOTSUPP;
2214
2215 return ieee80211_request_sched_scan_stop(local);
2216 }
2217
2218 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2219 struct cfg80211_auth_request *req)
2220 {
2221 return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2222 }
2223
2224 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2225 struct cfg80211_assoc_request *req)
2226 {
2227 return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2228 }
2229
2230 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2231 struct cfg80211_deauth_request *req)
2232 {
2233 return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2234 }
2235
2236 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2237 struct cfg80211_disassoc_request *req)
2238 {
2239 return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2240 }
2241
2242 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2243 struct cfg80211_ibss_params *params)
2244 {
2245 return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2246 }
2247
2248 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2249 {
2250 return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2251 }
2252
2253 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2254 struct ocb_setup *setup)
2255 {
2256 return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2257 }
2258
2259 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2260 {
2261 return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2262 }
2263
2264 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2265 int rate[NUM_NL80211_BANDS])
2266 {
2267 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2268
2269 memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2270 sizeof(int) * NUM_NL80211_BANDS);
2271
2272 return 0;
2273 }
2274
2275 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2276 {
2277 struct ieee80211_local *local = wiphy_priv(wiphy);
2278 int err;
2279
2280 if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2281 ieee80211_check_fast_xmit_all(local);
2282
2283 err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2284
2285 if (err) {
2286 ieee80211_check_fast_xmit_all(local);
2287 return err;
2288 }
2289 }
2290
2291 if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2292 (changed & WIPHY_PARAM_DYN_ACK)) {
2293 s16 coverage_class;
2294
2295 coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2296 wiphy->coverage_class : -1;
2297 err = drv_set_coverage_class(local, coverage_class);
2298
2299 if (err)
2300 return err;
2301 }
2302
2303 if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2304 err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2305
2306 if (err)
2307 return err;
2308 }
2309
2310 if (changed & WIPHY_PARAM_RETRY_SHORT) {
2311 if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2312 return -EINVAL;
2313 local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2314 }
2315 if (changed & WIPHY_PARAM_RETRY_LONG) {
2316 if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2317 return -EINVAL;
2318 local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2319 }
2320 if (changed &
2321 (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2322 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2323
2324 return 0;
2325 }
2326
2327 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2328 struct wireless_dev *wdev,
2329 enum nl80211_tx_power_setting type, int mbm)
2330 {
2331 struct ieee80211_local *local = wiphy_priv(wiphy);
2332 struct ieee80211_sub_if_data *sdata;
2333 enum nl80211_tx_power_setting txp_type = type;
2334 bool update_txp_type = false;
2335 bool has_monitor = false;
2336
2337 if (wdev) {
2338 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2339
2340 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2341 sdata = rtnl_dereference(local->monitor_sdata);
2342 if (!sdata)
2343 return -EOPNOTSUPP;
2344 }
2345
2346 switch (type) {
2347 case NL80211_TX_POWER_AUTOMATIC:
2348 sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2349 txp_type = NL80211_TX_POWER_LIMITED;
2350 break;
2351 case NL80211_TX_POWER_LIMITED:
2352 case NL80211_TX_POWER_FIXED:
2353 if (mbm < 0 || (mbm % 100))
2354 return -EOPNOTSUPP;
2355 sdata->user_power_level = MBM_TO_DBM(mbm);
2356 break;
2357 }
2358
2359 if (txp_type != sdata->vif.bss_conf.txpower_type) {
2360 update_txp_type = true;
2361 sdata->vif.bss_conf.txpower_type = txp_type;
2362 }
2363
2364 ieee80211_recalc_txpower(sdata, update_txp_type);
2365
2366 return 0;
2367 }
2368
2369 switch (type) {
2370 case NL80211_TX_POWER_AUTOMATIC:
2371 local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2372 txp_type = NL80211_TX_POWER_LIMITED;
2373 break;
2374 case NL80211_TX_POWER_LIMITED:
2375 case NL80211_TX_POWER_FIXED:
2376 if (mbm < 0 || (mbm % 100))
2377 return -EOPNOTSUPP;
2378 local->user_power_level = MBM_TO_DBM(mbm);
2379 break;
2380 }
2381
2382 mutex_lock(&local->iflist_mtx);
2383 list_for_each_entry(sdata, &local->interfaces, list) {
2384 if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2385 has_monitor = true;
2386 continue;
2387 }
2388 sdata->user_power_level = local->user_power_level;
2389 if (txp_type != sdata->vif.bss_conf.txpower_type)
2390 update_txp_type = true;
2391 sdata->vif.bss_conf.txpower_type = txp_type;
2392 }
2393 list_for_each_entry(sdata, &local->interfaces, list) {
2394 if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2395 continue;
2396 ieee80211_recalc_txpower(sdata, update_txp_type);
2397 }
2398 mutex_unlock(&local->iflist_mtx);
2399
2400 if (has_monitor) {
2401 sdata = rtnl_dereference(local->monitor_sdata);
2402 if (sdata) {
2403 sdata->user_power_level = local->user_power_level;
2404 if (txp_type != sdata->vif.bss_conf.txpower_type)
2405 update_txp_type = true;
2406 sdata->vif.bss_conf.txpower_type = txp_type;
2407
2408 ieee80211_recalc_txpower(sdata, update_txp_type);
2409 }
2410 }
2411
2412 return 0;
2413 }
2414
2415 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2416 struct wireless_dev *wdev,
2417 int *dbm)
2418 {
2419 struct ieee80211_local *local = wiphy_priv(wiphy);
2420 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2421
2422 if (local->ops->get_txpower)
2423 return drv_get_txpower(local, sdata, dbm);
2424
2425 if (!local->use_chanctx)
2426 *dbm = local->hw.conf.power_level;
2427 else
2428 *dbm = sdata->vif.bss_conf.txpower;
2429
2430 return 0;
2431 }
2432
2433 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2434 const u8 *addr)
2435 {
2436 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2437
2438 memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2439
2440 return 0;
2441 }
2442
2443 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2444 {
2445 struct ieee80211_local *local = wiphy_priv(wiphy);
2446
2447 drv_rfkill_poll(local);
2448 }
2449
2450 #ifdef CONFIG_NL80211_TESTMODE
2451 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2452 struct wireless_dev *wdev,
2453 void *data, int len)
2454 {
2455 struct ieee80211_local *local = wiphy_priv(wiphy);
2456 struct ieee80211_vif *vif = NULL;
2457
2458 if (!local->ops->testmode_cmd)
2459 return -EOPNOTSUPP;
2460
2461 if (wdev) {
2462 struct ieee80211_sub_if_data *sdata;
2463
2464 sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2465 if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2466 vif = &sdata->vif;
2467 }
2468
2469 return local->ops->testmode_cmd(&local->hw, vif, data, len);
2470 }
2471
2472 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2473 struct sk_buff *skb,
2474 struct netlink_callback *cb,
2475 void *data, int len)
2476 {
2477 struct ieee80211_local *local = wiphy_priv(wiphy);
2478
2479 if (!local->ops->testmode_dump)
2480 return -EOPNOTSUPP;
2481
2482 return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2483 }
2484 #endif
2485
2486 int __ieee80211_request_smps_ap(struct ieee80211_sub_if_data *sdata,
2487 enum ieee80211_smps_mode smps_mode)
2488 {
2489 struct sta_info *sta;
2490 enum ieee80211_smps_mode old_req;
2491
2492 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_AP))
2493 return -EINVAL;
2494
2495 if (sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2496 return 0;
2497
2498 old_req = sdata->u.ap.req_smps;
2499 sdata->u.ap.req_smps = smps_mode;
2500
2501 /* AUTOMATIC doesn't mean much for AP - don't allow it */
2502 if (old_req == smps_mode ||
2503 smps_mode == IEEE80211_SMPS_AUTOMATIC)
2504 return 0;
2505
2506 ht_dbg(sdata,
2507 "SMPS %d requested in AP mode, sending Action frame to %d stations\n",
2508 smps_mode, atomic_read(&sdata->u.ap.num_mcast_sta));
2509
2510 mutex_lock(&sdata->local->sta_mtx);
2511 list_for_each_entry(sta, &sdata->local->sta_list, list) {
2512 /*
2513 * Only stations associated to our AP and
2514 * associated VLANs
2515 */
2516 if (sta->sdata->bss != &sdata->u.ap)
2517 continue;
2518
2519 /* This station doesn't support MIMO - skip it */
2520 if (sta_info_tx_streams(sta) == 1)
2521 continue;
2522
2523 /*
2524 * Don't wake up a STA just to send the action frame
2525 * unless we are getting more restrictive.
2526 */
2527 if (test_sta_flag(sta, WLAN_STA_PS_STA) &&
2528 !ieee80211_smps_is_restrictive(sta->known_smps_mode,
2529 smps_mode)) {
2530 ht_dbg(sdata, "Won't send SMPS to sleeping STA %pM\n",
2531 sta->sta.addr);
2532 continue;
2533 }
2534
2535 /*
2536 * If the STA is not authorized, wait until it gets
2537 * authorized and the action frame will be sent then.
2538 */
2539 if (!test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2540 continue;
2541
2542 ht_dbg(sdata, "Sending SMPS to %pM\n", sta->sta.addr);
2543 ieee80211_send_smps_action(sdata, smps_mode, sta->sta.addr,
2544 sdata->vif.bss_conf.bssid);
2545 }
2546 mutex_unlock(&sdata->local->sta_mtx);
2547
2548 sdata->smps_mode = smps_mode;
2549 ieee80211_queue_work(&sdata->local->hw, &sdata->recalc_smps);
2550
2551 return 0;
2552 }
2553
2554 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2555 enum ieee80211_smps_mode smps_mode)
2556 {
2557 const u8 *ap;
2558 enum ieee80211_smps_mode old_req;
2559 int err;
2560 struct sta_info *sta;
2561 bool tdls_peer_found = false;
2562
2563 lockdep_assert_held(&sdata->wdev.mtx);
2564
2565 if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2566 return -EINVAL;
2567
2568 old_req = sdata->u.mgd.req_smps;
2569 sdata->u.mgd.req_smps = smps_mode;
2570
2571 if (old_req == smps_mode &&
2572 smps_mode != IEEE80211_SMPS_AUTOMATIC)
2573 return 0;
2574
2575 /*
2576 * If not associated, or current association is not an HT
2577 * association, there's no need to do anything, just store
2578 * the new value until we associate.
2579 */
2580 if (!sdata->u.mgd.associated ||
2581 sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2582 return 0;
2583
2584 ap = sdata->u.mgd.associated->bssid;
2585
2586 rcu_read_lock();
2587 list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2588 if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2589 !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2590 continue;
2591
2592 tdls_peer_found = true;
2593 break;
2594 }
2595 rcu_read_unlock();
2596
2597 if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2598 if (tdls_peer_found || !sdata->u.mgd.powersave)
2599 smps_mode = IEEE80211_SMPS_OFF;
2600 else
2601 smps_mode = IEEE80211_SMPS_DYNAMIC;
2602 }
2603
2604 /* send SM PS frame to AP */
2605 err = ieee80211_send_smps_action(sdata, smps_mode,
2606 ap, ap);
2607 if (err)
2608 sdata->u.mgd.req_smps = old_req;
2609 else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2610 ieee80211_teardown_tdls_peers(sdata);
2611
2612 return err;
2613 }
2614
2615 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2616 bool enabled, int timeout)
2617 {
2618 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2619 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2620
2621 if (sdata->vif.type != NL80211_IFTYPE_STATION)
2622 return -EOPNOTSUPP;
2623
2624 if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2625 return -EOPNOTSUPP;
2626
2627 if (enabled == sdata->u.mgd.powersave &&
2628 timeout == local->dynamic_ps_forced_timeout)
2629 return 0;
2630
2631 sdata->u.mgd.powersave = enabled;
2632 local->dynamic_ps_forced_timeout = timeout;
2633
2634 /* no change, but if automatic follow powersave */
2635 sdata_lock(sdata);
2636 __ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2637 sdata_unlock(sdata);
2638
2639 if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2640 ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2641
2642 ieee80211_recalc_ps(local);
2643 ieee80211_recalc_ps_vif(sdata);
2644
2645 return 0;
2646 }
2647
2648 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2649 struct net_device *dev,
2650 s32 rssi_thold, u32 rssi_hyst)
2651 {
2652 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2653 struct ieee80211_vif *vif = &sdata->vif;
2654 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2655
2656 if (rssi_thold == bss_conf->cqm_rssi_thold &&
2657 rssi_hyst == bss_conf->cqm_rssi_hyst)
2658 return 0;
2659
2660 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2661 !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2662 return -EOPNOTSUPP;
2663
2664 bss_conf->cqm_rssi_thold = rssi_thold;
2665 bss_conf->cqm_rssi_hyst = rssi_hyst;
2666 bss_conf->cqm_rssi_low = 0;
2667 bss_conf->cqm_rssi_high = 0;
2668 sdata->u.mgd.last_cqm_event_signal = 0;
2669
2670 /* tell the driver upon association, unless already associated */
2671 if (sdata->u.mgd.associated &&
2672 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2673 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2674
2675 return 0;
2676 }
2677
2678 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2679 struct net_device *dev,
2680 s32 rssi_low, s32 rssi_high)
2681 {
2682 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2683 struct ieee80211_vif *vif = &sdata->vif;
2684 struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2685
2686 if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2687 return -EOPNOTSUPP;
2688
2689 bss_conf->cqm_rssi_low = rssi_low;
2690 bss_conf->cqm_rssi_high = rssi_high;
2691 bss_conf->cqm_rssi_thold = 0;
2692 bss_conf->cqm_rssi_hyst = 0;
2693 sdata->u.mgd.last_cqm_event_signal = 0;
2694
2695 /* tell the driver upon association, unless already associated */
2696 if (sdata->u.mgd.associated &&
2697 sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2698 ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2699
2700 return 0;
2701 }
2702
2703 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2704 struct net_device *dev,
2705 const u8 *addr,
2706 const struct cfg80211_bitrate_mask *mask)
2707 {
2708 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2709 struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2710 int i, ret;
2711
2712 if (!ieee80211_sdata_running(sdata))
2713 return -ENETDOWN;
2714
2715 /*
2716 * If active validate the setting and reject it if it doesn't leave
2717 * at least one basic rate usable, since we really have to be able
2718 * to send something, and if we're an AP we have to be able to do
2719 * so at a basic rate so that all clients can receive it.
2720 */
2721 if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2722 sdata->vif.bss_conf.chandef.chan) {
2723 u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2724 enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2725
2726 if (!(mask->control[band].legacy & basic_rates))
2727 return -EINVAL;
2728 }
2729
2730 if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2731 ret = drv_set_bitrate_mask(local, sdata, mask);
2732 if (ret)
2733 return ret;
2734 }
2735
2736 for (i = 0; i < NUM_NL80211_BANDS; i++) {
2737 struct ieee80211_supported_band *sband = wiphy->bands[i];
2738 int j;
2739
2740 sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2741 memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2742 sizeof(mask->control[i].ht_mcs));
2743 memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2744 mask->control[i].vht_mcs,
2745 sizeof(mask->control[i].vht_mcs));
2746
2747 sdata->rc_has_mcs_mask[i] = false;
2748 sdata->rc_has_vht_mcs_mask[i] = false;
2749 if (!sband)
2750 continue;
2751
2752 for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2753 if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2754 sdata->rc_has_mcs_mask[i] = true;
2755 break;
2756 }
2757 }
2758
2759 for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2760 if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2761 sdata->rc_has_vht_mcs_mask[i] = true;
2762 break;
2763 }
2764 }
2765 }
2766
2767 return 0;
2768 }
2769
2770 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2771 struct net_device *dev,
2772 struct cfg80211_chan_def *chandef,
2773 u32 cac_time_ms)
2774 {
2775 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2776 struct ieee80211_local *local = sdata->local;
2777 int err;
2778
2779 mutex_lock(&local->mtx);
2780 if (!list_empty(&local->roc_list) || local->scanning) {
2781 err = -EBUSY;
2782 goto out_unlock;
2783 }
2784
2785 /* whatever, but channel contexts should not complain about that one */
2786 sdata->smps_mode = IEEE80211_SMPS_OFF;
2787 sdata->needed_rx_chains = local->rx_chains;
2788
2789 err = ieee80211_vif_use_channel(sdata, chandef,
2790 IEEE80211_CHANCTX_SHARED);
2791 if (err)
2792 goto out_unlock;
2793
2794 ieee80211_queue_delayed_work(&sdata->local->hw,
2795 &sdata->dfs_cac_timer_work,
2796 msecs_to_jiffies(cac_time_ms));
2797
2798 out_unlock:
2799 mutex_unlock(&local->mtx);
2800 return err;
2801 }
2802
2803 static void ieee80211_end_cac(struct wiphy *wiphy,
2804 struct net_device *dev)
2805 {
2806 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2807 struct ieee80211_local *local = sdata->local;
2808
2809 mutex_lock(&local->mtx);
2810 list_for_each_entry(sdata, &local->interfaces, list) {
2811 /* it might be waiting for the local->mtx, but then
2812 * by the time it gets it, sdata->wdev.cac_started
2813 * will no longer be true
2814 */
2815 cancel_delayed_work(&sdata->dfs_cac_timer_work);
2816
2817 if (sdata->wdev.cac_started) {
2818 ieee80211_vif_release_channel(sdata);
2819 sdata->wdev.cac_started = false;
2820 }
2821 }
2822 mutex_unlock(&local->mtx);
2823 }
2824
2825 static struct cfg80211_beacon_data *
2826 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2827 {
2828 struct cfg80211_beacon_data *new_beacon;
2829 u8 *pos;
2830 int len;
2831
2832 len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2833 beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2834 beacon->probe_resp_len;
2835
2836 new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2837 if (!new_beacon)
2838 return NULL;
2839
2840 pos = (u8 *)(new_beacon + 1);
2841 if (beacon->head_len) {
2842 new_beacon->head_len = beacon->head_len;
2843 new_beacon->head = pos;
2844 memcpy(pos, beacon->head, beacon->head_len);
2845 pos += beacon->head_len;
2846 }
2847 if (beacon->tail_len) {
2848 new_beacon->tail_len = beacon->tail_len;
2849 new_beacon->tail = pos;
2850 memcpy(pos, beacon->tail, beacon->tail_len);
2851 pos += beacon->tail_len;
2852 }
2853 if (beacon->beacon_ies_len) {
2854 new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2855 new_beacon->beacon_ies = pos;
2856 memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2857 pos += beacon->beacon_ies_len;
2858 }
2859 if (beacon->proberesp_ies_len) {
2860 new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2861 new_beacon->proberesp_ies = pos;
2862 memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2863 pos += beacon->proberesp_ies_len;
2864 }
2865 if (beacon->assocresp_ies_len) {
2866 new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2867 new_beacon->assocresp_ies = pos;
2868 memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2869 pos += beacon->assocresp_ies_len;
2870 }
2871 if (beacon->probe_resp_len) {
2872 new_beacon->probe_resp_len = beacon->probe_resp_len;
2873 new_beacon->probe_resp = pos;
2874 memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2875 pos += beacon->probe_resp_len;
2876 }
2877
2878 return new_beacon;
2879 }
2880
2881 void ieee80211_csa_finish(struct ieee80211_vif *vif)
2882 {
2883 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
2884
2885 ieee80211_queue_work(&sdata->local->hw,
2886 &sdata->csa_finalize_work);
2887 }
2888 EXPORT_SYMBOL(ieee80211_csa_finish);
2889
2890 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2891 u32 *changed)
2892 {
2893 int err;
2894
2895 switch (sdata->vif.type) {
2896 case NL80211_IFTYPE_AP:
2897 err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2898 NULL);
2899 kfree(sdata->u.ap.next_beacon);
2900 sdata->u.ap.next_beacon = NULL;
2901
2902 if (err < 0)
2903 return err;
2904 *changed |= err;
2905 break;
2906 case NL80211_IFTYPE_ADHOC:
2907 err = ieee80211_ibss_finish_csa(sdata);
2908 if (err < 0)
2909 return err;
2910 *changed |= err;
2911 break;
2912 #ifdef CONFIG_MAC80211_MESH
2913 case NL80211_IFTYPE_MESH_POINT:
2914 err = ieee80211_mesh_finish_csa(sdata);
2915 if (err < 0)
2916 return err;
2917 *changed |= err;
2918 break;
2919 #endif
2920 default:
2921 WARN_ON(1);
2922 return -EINVAL;
2923 }
2924
2925 return 0;
2926 }
2927
2928 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2929 {
2930 struct ieee80211_local *local = sdata->local;
2931 u32 changed = 0;
2932 int err;
2933
2934 sdata_assert_lock(sdata);
2935 lockdep_assert_held(&local->mtx);
2936 lockdep_assert_held(&local->chanctx_mtx);
2937
2938 /*
2939 * using reservation isn't immediate as it may be deferred until later
2940 * with multi-vif. once reservation is complete it will re-schedule the
2941 * work with no reserved_chanctx so verify chandef to check if it
2942 * completed successfully
2943 */
2944
2945 if (sdata->reserved_chanctx) {
2946 /*
2947 * with multi-vif csa driver may call ieee80211_csa_finish()
2948 * many times while waiting for other interfaces to use their
2949 * reservations
2950 */
2951 if (sdata->reserved_ready)
2952 return 0;
2953
2954 return ieee80211_vif_use_reserved_context(sdata);
2955 }
2956
2957 if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
2958 &sdata->csa_chandef))
2959 return -EINVAL;
2960
2961 sdata->vif.csa_active = false;
2962
2963 err = ieee80211_set_after_csa_beacon(sdata, &changed);
2964 if (err)
2965 return err;
2966
2967 ieee80211_bss_info_change_notify(sdata, changed);
2968
2969 if (sdata->csa_block_tx) {
2970 ieee80211_wake_vif_queues(local, sdata,
2971 IEEE80211_QUEUE_STOP_REASON_CSA);
2972 sdata->csa_block_tx = false;
2973 }
2974
2975 err = drv_post_channel_switch(sdata);
2976 if (err)
2977 return err;
2978
2979 cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
2980
2981 return 0;
2982 }
2983
2984 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
2985 {
2986 if (__ieee80211_csa_finalize(sdata)) {
2987 sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
2988 cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
2989 GFP_KERNEL);
2990 }
2991 }
2992
2993 void ieee80211_csa_finalize_work(struct work_struct *work)
2994 {
2995 struct ieee80211_sub_if_data *sdata =
2996 container_of(work, struct ieee80211_sub_if_data,
2997 csa_finalize_work);
2998 struct ieee80211_local *local = sdata->local;
2999
3000 sdata_lock(sdata);
3001 mutex_lock(&local->mtx);
3002 mutex_lock(&local->chanctx_mtx);
3003
3004 /* AP might have been stopped while waiting for the lock. */
3005 if (!sdata->vif.csa_active)
3006 goto unlock;
3007
3008 if (!ieee80211_sdata_running(sdata))
3009 goto unlock;
3010
3011 ieee80211_csa_finalize(sdata);
3012
3013 unlock:
3014 mutex_unlock(&local->chanctx_mtx);
3015 mutex_unlock(&local->mtx);
3016 sdata_unlock(sdata);
3017 }
3018
3019 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3020 struct cfg80211_csa_settings *params,
3021 u32 *changed)
3022 {
3023 struct ieee80211_csa_settings csa = {};
3024 int err;
3025
3026 switch (sdata->vif.type) {
3027 case NL80211_IFTYPE_AP:
3028 sdata->u.ap.next_beacon =
3029 cfg80211_beacon_dup(&params->beacon_after);
3030 if (!sdata->u.ap.next_beacon)
3031 return -ENOMEM;
3032
3033 /*
3034 * With a count of 0, we don't have to wait for any
3035 * TBTT before switching, so complete the CSA
3036 * immediately. In theory, with a count == 1 we
3037 * should delay the switch until just before the next
3038 * TBTT, but that would complicate things so we switch
3039 * immediately too. If we would delay the switch
3040 * until the next TBTT, we would have to set the probe
3041 * response here.
3042 *
3043 * TODO: A channel switch with count <= 1 without
3044 * sending a CSA action frame is kind of useless,
3045 * because the clients won't know we're changing
3046 * channels. The action frame must be implemented
3047 * either here or in the userspace.
3048 */
3049 if (params->count <= 1)
3050 break;
3051
3052 if ((params->n_counter_offsets_beacon >
3053 IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3054 (params->n_counter_offsets_presp >
3055 IEEE80211_MAX_CSA_COUNTERS_NUM))
3056 return -EINVAL;
3057
3058 csa.counter_offsets_beacon = params->counter_offsets_beacon;
3059 csa.counter_offsets_presp = params->counter_offsets_presp;
3060 csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3061 csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3062 csa.count = params->count;
3063
3064 err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
3065 if (err < 0) {
3066 kfree(sdata->u.ap.next_beacon);
3067 return err;
3068 }
3069 *changed |= err;
3070
3071 break;
3072 case NL80211_IFTYPE_ADHOC:
3073 if (!sdata->vif.bss_conf.ibss_joined)
3074 return -EINVAL;
3075
3076 if (params->chandef.width != sdata->u.ibss.chandef.width)
3077 return -EINVAL;
3078
3079 switch (params->chandef.width) {
3080 case NL80211_CHAN_WIDTH_40:
3081 if (cfg80211_get_chandef_type(&params->chandef) !=
3082 cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3083 return -EINVAL;
3084 case NL80211_CHAN_WIDTH_5:
3085 case NL80211_CHAN_WIDTH_10:
3086 case NL80211_CHAN_WIDTH_20_NOHT:
3087 case NL80211_CHAN_WIDTH_20:
3088 break;
3089 default:
3090 return -EINVAL;
3091 }
3092
3093 /* changes into another band are not supported */
3094 if (sdata->u.ibss.chandef.chan->band !=
3095 params->chandef.chan->band)
3096 return -EINVAL;
3097
3098 /* see comments in the NL80211_IFTYPE_AP block */
3099 if (params->count > 1) {
3100 err = ieee80211_ibss_csa_beacon(sdata, params);
3101 if (err < 0)
3102 return err;
3103 *changed |= err;
3104 }
3105
3106 ieee80211_send_action_csa(sdata, params);
3107
3108 break;
3109 #ifdef CONFIG_MAC80211_MESH
3110 case NL80211_IFTYPE_MESH_POINT: {
3111 struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3112
3113 if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3114 return -EINVAL;
3115
3116 /* changes into another band are not supported */
3117 if (sdata->vif.bss_conf.chandef.chan->band !=
3118 params->chandef.chan->band)
3119 return -EINVAL;
3120
3121 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3122 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3123 if (!ifmsh->pre_value)
3124 ifmsh->pre_value = 1;
3125 else
3126 ifmsh->pre_value++;
3127 }
3128
3129 /* see comments in the NL80211_IFTYPE_AP block */
3130 if (params->count > 1) {
3131 err = ieee80211_mesh_csa_beacon(sdata, params);
3132 if (err < 0) {
3133 ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3134 return err;
3135 }
3136 *changed |= err;
3137 }
3138
3139 if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3140 ieee80211_send_action_csa(sdata, params);
3141
3142 break;
3143 }
3144 #endif
3145 default:
3146 return -EOPNOTSUPP;
3147 }
3148
3149 return 0;
3150 }
3151
3152 static int
3153 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3154 struct cfg80211_csa_settings *params)
3155 {
3156 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3157 struct ieee80211_local *local = sdata->local;
3158 struct ieee80211_channel_switch ch_switch;
3159 struct ieee80211_chanctx_conf *conf;
3160 struct ieee80211_chanctx *chanctx;
3161 u32 changed = 0;
3162 int err;
3163
3164 sdata_assert_lock(sdata);
3165 lockdep_assert_held(&local->mtx);
3166
3167 if (!list_empty(&local->roc_list) || local->scanning)
3168 return -EBUSY;
3169
3170 if (sdata->wdev.cac_started)
3171 return -EBUSY;
3172
3173 if (cfg80211_chandef_identical(&params->chandef,
3174 &sdata->vif.bss_conf.chandef))
3175 return -EINVAL;
3176
3177 /* don't allow another channel switch if one is already active. */
3178 if (sdata->vif.csa_active)
3179 return -EBUSY;
3180
3181 mutex_lock(&local->chanctx_mtx);
3182 conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3183 lockdep_is_held(&local->chanctx_mtx));
3184 if (!conf) {
3185 err = -EBUSY;
3186 goto out;
3187 }
3188
3189 chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3190
3191 ch_switch.timestamp = 0;
3192 ch_switch.device_timestamp = 0;
3193 ch_switch.block_tx = params->block_tx;
3194 ch_switch.chandef = params->chandef;
3195 ch_switch.count = params->count;
3196
3197 err = drv_pre_channel_switch(sdata, &ch_switch);
3198 if (err)
3199 goto out;
3200
3201 err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3202 chanctx->mode,
3203 params->radar_required);
3204 if (err)
3205 goto out;
3206
3207 /* if reservation is invalid then this will fail */
3208 err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3209 if (err) {
3210 ieee80211_vif_unreserve_chanctx(sdata);
3211 goto out;
3212 }
3213
3214 err = ieee80211_set_csa_beacon(sdata, params, &changed);
3215 if (err) {
3216 ieee80211_vif_unreserve_chanctx(sdata);
3217 goto out;
3218 }
3219
3220 sdata->csa_chandef = params->chandef;
3221 sdata->csa_block_tx = params->block_tx;
3222 sdata->vif.csa_active = true;
3223
3224 if (sdata->csa_block_tx)
3225 ieee80211_stop_vif_queues(local, sdata,
3226 IEEE80211_QUEUE_STOP_REASON_CSA);
3227
3228 cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3229 params->count);
3230
3231 if (changed) {
3232 ieee80211_bss_info_change_notify(sdata, changed);
3233 drv_channel_switch_beacon(sdata, &params->chandef);
3234 } else {
3235 /* if the beacon didn't change, we can finalize immediately */
3236 ieee80211_csa_finalize(sdata);
3237 }
3238
3239 out:
3240 mutex_unlock(&local->chanctx_mtx);
3241 return err;
3242 }
3243
3244 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3245 struct cfg80211_csa_settings *params)
3246 {
3247 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3248 struct ieee80211_local *local = sdata->local;
3249 int err;
3250
3251 mutex_lock(&local->mtx);
3252 err = __ieee80211_channel_switch(wiphy, dev, params);
3253 mutex_unlock(&local->mtx);
3254
3255 return err;
3256 }
3257
3258 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3259 {
3260 lockdep_assert_held(&local->mtx);
3261
3262 local->roc_cookie_counter++;
3263
3264 /* wow, you wrapped 64 bits ... more likely a bug */
3265 if (WARN_ON(local->roc_cookie_counter == 0))
3266 local->roc_cookie_counter++;
3267
3268 return local->roc_cookie_counter;
3269 }
3270
3271 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3272 u64 *cookie, gfp_t gfp)
3273 {
3274 unsigned long spin_flags;
3275 struct sk_buff *ack_skb;
3276 int id;
3277
3278 ack_skb = skb_copy(skb, gfp);
3279 if (!ack_skb)
3280 return -ENOMEM;
3281
3282 spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3283 id = idr_alloc(&local->ack_status_frames, ack_skb,
3284 1, 0x10000, GFP_ATOMIC);
3285 spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3286
3287 if (id < 0) {
3288 kfree_skb(ack_skb);
3289 return -ENOMEM;
3290 }
3291
3292 IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3293
3294 *cookie = ieee80211_mgmt_tx_cookie(local);
3295 IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3296
3297 return 0;
3298 }
3299
3300 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3301 struct wireless_dev *wdev,
3302 u16 frame_type, bool reg)
3303 {
3304 struct ieee80211_local *local = wiphy_priv(wiphy);
3305 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3306
3307 switch (frame_type) {
3308 case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3309 if (reg) {
3310 local->probe_req_reg++;
3311 sdata->vif.probe_req_reg++;
3312 } else {
3313 if (local->probe_req_reg)
3314 local->probe_req_reg--;
3315
3316 if (sdata->vif.probe_req_reg)
3317 sdata->vif.probe_req_reg--;
3318 }
3319
3320 if (!local->open_count)
3321 break;
3322
3323 if (sdata->vif.probe_req_reg == 1)
3324 drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3325 FIF_PROBE_REQ);
3326 else if (sdata->vif.probe_req_reg == 0)
3327 drv_config_iface_filter(local, sdata, 0,
3328 FIF_PROBE_REQ);
3329
3330 ieee80211_configure_filter(local);
3331 break;
3332 default:
3333 break;
3334 }
3335 }
3336
3337 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3338 {
3339 struct ieee80211_local *local = wiphy_priv(wiphy);
3340
3341 if (local->started)
3342 return -EOPNOTSUPP;
3343
3344 return drv_set_antenna(local, tx_ant, rx_ant);
3345 }
3346
3347 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3348 {
3349 struct ieee80211_local *local = wiphy_priv(wiphy);
3350
3351 return drv_get_antenna(local, tx_ant, rx_ant);
3352 }
3353
3354 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3355 struct net_device *dev,
3356 struct cfg80211_gtk_rekey_data *data)
3357 {
3358 struct ieee80211_local *local = wiphy_priv(wiphy);
3359 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3360
3361 if (!local->ops->set_rekey_data)
3362 return -EOPNOTSUPP;
3363
3364 drv_set_rekey_data(local, sdata, data);
3365
3366 return 0;
3367 }
3368
3369 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3370 const u8 *peer, u64 *cookie)
3371 {
3372 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3373 struct ieee80211_local *local = sdata->local;
3374 struct ieee80211_qos_hdr *nullfunc;
3375 struct sk_buff *skb;
3376 int size = sizeof(*nullfunc);
3377 __le16 fc;
3378 bool qos;
3379 struct ieee80211_tx_info *info;
3380 struct sta_info *sta;
3381 struct ieee80211_chanctx_conf *chanctx_conf;
3382 enum nl80211_band band;
3383 int ret;
3384
3385 /* the lock is needed to assign the cookie later */
3386 mutex_lock(&local->mtx);
3387
3388 rcu_read_lock();
3389 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3390 if (WARN_ON(!chanctx_conf)) {
3391 ret = -EINVAL;
3392 goto unlock;
3393 }
3394 band = chanctx_conf->def.chan->band;
3395 sta = sta_info_get_bss(sdata, peer);
3396 if (sta) {
3397 qos = sta->sta.wme;
3398 } else {
3399 ret = -ENOLINK;
3400 goto unlock;
3401 }
3402
3403 if (qos) {
3404 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3405 IEEE80211_STYPE_QOS_NULLFUNC |
3406 IEEE80211_FCTL_FROMDS);
3407 } else {
3408 size -= 2;
3409 fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3410 IEEE80211_STYPE_NULLFUNC |
3411 IEEE80211_FCTL_FROMDS);
3412 }
3413
3414 skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3415 if (!skb) {
3416 ret = -ENOMEM;
3417 goto unlock;
3418 }
3419
3420 skb->dev = dev;
3421
3422 skb_reserve(skb, local->hw.extra_tx_headroom);
3423
3424 nullfunc = skb_put(skb, size);
3425 nullfunc->frame_control = fc;
3426 nullfunc->duration_id = 0;
3427 memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3428 memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3429 memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3430 nullfunc->seq_ctrl = 0;
3431
3432 info = IEEE80211_SKB_CB(skb);
3433
3434 info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3435 IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3436 info->band = band;
3437
3438 skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3439 skb->priority = 7;
3440 if (qos)
3441 nullfunc->qos_ctrl = cpu_to_le16(7);
3442
3443 ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3444 if (ret) {
3445 kfree_skb(skb);
3446 goto unlock;
3447 }
3448
3449 local_bh_disable();
3450 ieee80211_xmit(sdata, sta, skb);
3451 local_bh_enable();
3452
3453 ret = 0;
3454 unlock:
3455 rcu_read_unlock();
3456 mutex_unlock(&local->mtx);
3457
3458 return ret;
3459 }
3460
3461 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3462 struct wireless_dev *wdev,
3463 struct cfg80211_chan_def *chandef)
3464 {
3465 struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3466 struct ieee80211_local *local = wiphy_priv(wiphy);
3467 struct ieee80211_chanctx_conf *chanctx_conf;
3468 int ret = -ENODATA;
3469
3470 rcu_read_lock();
3471 chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3472 if (chanctx_conf) {
3473 *chandef = sdata->vif.bss_conf.chandef;
3474 ret = 0;
3475 } else if (local->open_count > 0 &&
3476 local->open_count == local->monitors &&
3477 sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3478 if (local->use_chanctx)
3479 *chandef = local->monitor_chandef;
3480 else
3481 *chandef = local->_oper_chandef;
3482 ret = 0;
3483 }
3484 rcu_read_unlock();
3485
3486 return ret;
3487 }
3488
3489 #ifdef CONFIG_PM
3490 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3491 {
3492 drv_set_wakeup(wiphy_priv(wiphy), enabled);
3493 }
3494 #endif
3495
3496 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3497 struct net_device *dev,
3498 struct cfg80211_qos_map *qos_map)
3499 {
3500 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3501 struct mac80211_qos_map *new_qos_map, *old_qos_map;
3502
3503 if (qos_map) {
3504 new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3505 if (!new_qos_map)
3506 return -ENOMEM;
3507 memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3508 } else {
3509 /* A NULL qos_map was passed to disable QoS mapping */
3510 new_qos_map = NULL;
3511 }
3512
3513 old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3514 rcu_assign_pointer(sdata->qos_map, new_qos_map);
3515 if (old_qos_map)
3516 kfree_rcu(old_qos_map, rcu_head);
3517
3518 return 0;
3519 }
3520
3521 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3522 struct net_device *dev,
3523 struct cfg80211_chan_def *chandef)
3524 {
3525 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3526 int ret;
3527 u32 changed = 0;
3528
3529 ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3530 if (ret == 0)
3531 ieee80211_bss_info_change_notify(sdata, changed);
3532
3533 return ret;
3534 }
3535
3536 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3537 u8 tsid, const u8 *peer, u8 up,
3538 u16 admitted_time)
3539 {
3540 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3541 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3542 int ac = ieee802_1d_to_ac[up];
3543
3544 if (sdata->vif.type != NL80211_IFTYPE_STATION)
3545 return -EOPNOTSUPP;
3546
3547 if (!(sdata->wmm_acm & BIT(up)))
3548 return -EINVAL;
3549
3550 if (ifmgd->tx_tspec[ac].admitted_time)
3551 return -EBUSY;
3552
3553 if (admitted_time) {
3554 ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3555 ifmgd->tx_tspec[ac].tsid = tsid;
3556 ifmgd->tx_tspec[ac].up = up;
3557 }
3558
3559 return 0;
3560 }
3561
3562 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3563 u8 tsid, const u8 *peer)
3564 {
3565 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3566 struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3567 struct ieee80211_local *local = wiphy_priv(wiphy);
3568 int ac;
3569
3570 for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3571 struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3572
3573 /* skip unused entries */
3574 if (!tx_tspec->admitted_time)
3575 continue;
3576
3577 if (tx_tspec->tsid != tsid)
3578 continue;
3579
3580 /* due to this new packets will be reassigned to non-ACM ACs */
3581 tx_tspec->up = -1;
3582
3583 /* Make sure that all packets have been sent to avoid to
3584 * restore the QoS params on packets that are still on the
3585 * queues.
3586 */
3587 synchronize_net();
3588 ieee80211_flush_queues(local, sdata, false);
3589
3590 /* restore the normal QoS parameters
3591 * (unconditionally to avoid races)
3592 */
3593 tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3594 tx_tspec->downgraded = false;
3595 ieee80211_sta_handle_tspec_ac_params(sdata);
3596
3597 /* finally clear all the data */
3598 memset(tx_tspec, 0, sizeof(*tx_tspec));
3599
3600 return 0;
3601 }
3602
3603 return -ENOENT;
3604 }
3605
3606 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3607 u8 inst_id,
3608 enum nl80211_nan_func_term_reason reason,
3609 gfp_t gfp)
3610 {
3611 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3612 struct cfg80211_nan_func *func;
3613 u64 cookie;
3614
3615 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3616 return;
3617
3618 spin_lock_bh(&sdata->u.nan.func_lock);
3619
3620 func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3621 if (WARN_ON(!func)) {
3622 spin_unlock_bh(&sdata->u.nan.func_lock);
3623 return;
3624 }
3625
3626 cookie = func->cookie;
3627 idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3628
3629 spin_unlock_bh(&sdata->u.nan.func_lock);
3630
3631 cfg80211_free_nan_func(func);
3632
3633 cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3634 reason, cookie, gfp);
3635 }
3636 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3637
3638 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3639 struct cfg80211_nan_match_params *match,
3640 gfp_t gfp)
3641 {
3642 struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3643 struct cfg80211_nan_func *func;
3644
3645 if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3646 return;
3647
3648 spin_lock_bh(&sdata->u.nan.func_lock);
3649
3650 func = idr_find(&sdata->u.nan.function_inst_ids, match->inst_id);
3651 if (WARN_ON(!func)) {
3652 spin_unlock_bh(&sdata->u.nan.func_lock);
3653 return;
3654 }
3655 match->cookie = func->cookie;
3656
3657 spin_unlock_bh(&sdata->u.nan.func_lock);
3658
3659 cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3660 }
3661 EXPORT_SYMBOL(ieee80211_nan_func_match);
3662
3663 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3664 struct net_device *dev,
3665 const bool enabled)
3666 {
3667 struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3668
3669 sdata->u.ap.multicast_to_unicast = enabled;
3670
3671 return 0;
3672 }
3673
3674 const struct cfg80211_ops mac80211_config_ops = {
3675 .add_virtual_intf = ieee80211_add_iface,
3676 .del_virtual_intf = ieee80211_del_iface,
3677 .change_virtual_intf = ieee80211_change_iface,
3678 .start_p2p_device = ieee80211_start_p2p_device,
3679 .stop_p2p_device = ieee80211_stop_p2p_device,
3680 .add_key = ieee80211_add_key,
3681 .del_key = ieee80211_del_key,
3682 .get_key = ieee80211_get_key,
3683 .set_default_key = ieee80211_config_default_key,
3684 .set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3685 .start_ap = ieee80211_start_ap,
3686 .change_beacon = ieee80211_change_beacon,
3687 .stop_ap = ieee80211_stop_ap,
3688 .add_station = ieee80211_add_station,
3689 .del_station = ieee80211_del_station,
3690 .change_station = ieee80211_change_station,
3691 .get_station = ieee80211_get_station,
3692 .dump_station = ieee80211_dump_station,
3693 .dump_survey = ieee80211_dump_survey,
3694 #ifdef CONFIG_MAC80211_MESH
3695 .add_mpath = ieee80211_add_mpath,
3696 .del_mpath = ieee80211_del_mpath,
3697 .change_mpath = ieee80211_change_mpath,
3698 .get_mpath = ieee80211_get_mpath,
3699 .dump_mpath = ieee80211_dump_mpath,
3700 .get_mpp = ieee80211_get_mpp,
3701 .dump_mpp = ieee80211_dump_mpp,
3702 .update_mesh_config = ieee80211_update_mesh_config,
3703 .get_mesh_config = ieee80211_get_mesh_config,
3704 .join_mesh = ieee80211_join_mesh,
3705 .leave_mesh = ieee80211_leave_mesh,
3706 #endif
3707 .join_ocb = ieee80211_join_ocb,
3708 .leave_ocb = ieee80211_leave_ocb,
3709 .change_bss = ieee80211_change_bss,
3710 .set_txq_params = ieee80211_set_txq_params,
3711 .set_monitor_channel = ieee80211_set_monitor_channel,
3712 .suspend = ieee80211_suspend,
3713 .resume = ieee80211_resume,
3714 .scan = ieee80211_scan,
3715 .abort_scan = ieee80211_abort_scan,
3716 .sched_scan_start = ieee80211_sched_scan_start,
3717 .sched_scan_stop = ieee80211_sched_scan_stop,
3718 .auth = ieee80211_auth,
3719 .assoc = ieee80211_assoc,
3720 .deauth = ieee80211_deauth,
3721 .disassoc = ieee80211_disassoc,
3722 .join_ibss = ieee80211_join_ibss,
3723 .leave_ibss = ieee80211_leave_ibss,
3724 .set_mcast_rate = ieee80211_set_mcast_rate,
3725 .set_wiphy_params = ieee80211_set_wiphy_params,
3726 .set_tx_power = ieee80211_set_tx_power,
3727 .get_tx_power = ieee80211_get_tx_power,
3728 .set_wds_peer = ieee80211_set_wds_peer,
3729 .rfkill_poll = ieee80211_rfkill_poll,
3730 CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
3731 CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
3732 .set_power_mgmt = ieee80211_set_power_mgmt,
3733 .set_bitrate_mask = ieee80211_set_bitrate_mask,
3734 .remain_on_channel = ieee80211_remain_on_channel,
3735 .cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
3736 .mgmt_tx = ieee80211_mgmt_tx,
3737 .mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
3738 .set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
3739 .set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
3740 .mgmt_frame_register = ieee80211_mgmt_frame_register,
3741 .set_antenna = ieee80211_set_antenna,
3742 .get_antenna = ieee80211_get_antenna,
3743 .set_rekey_data = ieee80211_set_rekey_data,
3744 .tdls_oper = ieee80211_tdls_oper,
3745 .tdls_mgmt = ieee80211_tdls_mgmt,
3746 .tdls_channel_switch = ieee80211_tdls_channel_switch,
3747 .tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
3748 .probe_client = ieee80211_probe_client,
3749 .set_noack_map = ieee80211_set_noack_map,
3750 #ifdef CONFIG_PM
3751 .set_wakeup = ieee80211_set_wakeup,
3752 #endif
3753 .get_channel = ieee80211_cfg_get_channel,
3754 .start_radar_detection = ieee80211_start_radar_detection,
3755 .end_cac = ieee80211_end_cac,
3756 .channel_switch = ieee80211_channel_switch,
3757 .set_qos_map = ieee80211_set_qos_map,
3758 .set_ap_chanwidth = ieee80211_set_ap_chanwidth,
3759 .add_tx_ts = ieee80211_add_tx_ts,
3760 .del_tx_ts = ieee80211_del_tx_ts,
3761 .start_nan = ieee80211_start_nan,
3762 .stop_nan = ieee80211_stop_nan,
3763 .nan_change_conf = ieee80211_nan_change_conf,
3764 .add_nan_func = ieee80211_add_nan_func,
3765 .del_nan_func = ieee80211_del_nan_func,
3766 .set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
3767 };
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