xref: /openbmc/linux/net/mac80211/cfg.c (revision 0cd08b10)
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * mac80211 configuration hooks for cfg80211
4  *
5  * Copyright 2006-2010	Johannes Berg <johannes@sipsolutions.net>
6  * Copyright 2013-2015  Intel Mobile Communications GmbH
7  * Copyright (C) 2015-2017 Intel Deutschland GmbH
8  * Copyright (C) 2018-2020 Intel Corporation
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/fips.h>
18 #include <linux/if_ether.h>
19 #include <net/cfg80211.h>
20 #include "ieee80211_i.h"
21 #include "driver-ops.h"
22 #include "rate.h"
23 #include "mesh.h"
24 #include "wme.h"
25 
26 static void ieee80211_set_mu_mimo_follow(struct ieee80211_sub_if_data *sdata,
27 					 struct vif_params *params)
28 {
29 	bool mu_mimo_groups = false;
30 	bool mu_mimo_follow = false;
31 
32 	if (params->vht_mumimo_groups) {
33 		u64 membership;
34 
35 		BUILD_BUG_ON(sizeof(membership) != WLAN_MEMBERSHIP_LEN);
36 
37 		memcpy(sdata->vif.bss_conf.mu_group.membership,
38 		       params->vht_mumimo_groups, WLAN_MEMBERSHIP_LEN);
39 		memcpy(sdata->vif.bss_conf.mu_group.position,
40 		       params->vht_mumimo_groups + WLAN_MEMBERSHIP_LEN,
41 		       WLAN_USER_POSITION_LEN);
42 		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MU_GROUPS);
43 		/* don't care about endianness - just check for 0 */
44 		memcpy(&membership, params->vht_mumimo_groups,
45 		       WLAN_MEMBERSHIP_LEN);
46 		mu_mimo_groups = membership != 0;
47 	}
48 
49 	if (params->vht_mumimo_follow_addr) {
50 		mu_mimo_follow =
51 			is_valid_ether_addr(params->vht_mumimo_follow_addr);
52 		ether_addr_copy(sdata->u.mntr.mu_follow_addr,
53 				params->vht_mumimo_follow_addr);
54 	}
55 
56 	sdata->vif.mu_mimo_owner = mu_mimo_groups || mu_mimo_follow;
57 }
58 
59 static int ieee80211_set_mon_options(struct ieee80211_sub_if_data *sdata,
60 				     struct vif_params *params)
61 {
62 	struct ieee80211_local *local = sdata->local;
63 	struct ieee80211_sub_if_data *monitor_sdata;
64 
65 	/* check flags first */
66 	if (params->flags && ieee80211_sdata_running(sdata)) {
67 		u32 mask = MONITOR_FLAG_COOK_FRAMES | MONITOR_FLAG_ACTIVE;
68 
69 		/*
70 		 * Prohibit MONITOR_FLAG_COOK_FRAMES and
71 		 * MONITOR_FLAG_ACTIVE to be changed while the
72 		 * interface is up.
73 		 * Else we would need to add a lot of cruft
74 		 * to update everything:
75 		 *	cooked_mntrs, monitor and all fif_* counters
76 		 *	reconfigure hardware
77 		 */
78 		if ((params->flags & mask) != (sdata->u.mntr.flags & mask))
79 			return -EBUSY;
80 	}
81 
82 	/* also validate MU-MIMO change */
83 	monitor_sdata = rtnl_dereference(local->monitor_sdata);
84 
85 	if (!monitor_sdata &&
86 	    (params->vht_mumimo_groups || params->vht_mumimo_follow_addr))
87 		return -EOPNOTSUPP;
88 
89 	/* apply all changes now - no failures allowed */
90 
91 	if (monitor_sdata)
92 		ieee80211_set_mu_mimo_follow(monitor_sdata, params);
93 
94 	if (params->flags) {
95 		if (ieee80211_sdata_running(sdata)) {
96 			ieee80211_adjust_monitor_flags(sdata, -1);
97 			sdata->u.mntr.flags = params->flags;
98 			ieee80211_adjust_monitor_flags(sdata, 1);
99 
100 			ieee80211_configure_filter(local);
101 		} else {
102 			/*
103 			 * Because the interface is down, ieee80211_do_stop
104 			 * and ieee80211_do_open take care of "everything"
105 			 * mentioned in the comment above.
106 			 */
107 			sdata->u.mntr.flags = params->flags;
108 		}
109 	}
110 
111 	return 0;
112 }
113 
114 static struct wireless_dev *ieee80211_add_iface(struct wiphy *wiphy,
115 						const char *name,
116 						unsigned char name_assign_type,
117 						enum nl80211_iftype type,
118 						struct vif_params *params)
119 {
120 	struct ieee80211_local *local = wiphy_priv(wiphy);
121 	struct wireless_dev *wdev;
122 	struct ieee80211_sub_if_data *sdata;
123 	int err;
124 
125 	err = ieee80211_if_add(local, name, name_assign_type, &wdev, type, params);
126 	if (err)
127 		return ERR_PTR(err);
128 
129 	sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
130 
131 	if (type == NL80211_IFTYPE_MONITOR) {
132 		err = ieee80211_set_mon_options(sdata, params);
133 		if (err) {
134 			ieee80211_if_remove(sdata);
135 			return NULL;
136 		}
137 	}
138 
139 	return wdev;
140 }
141 
142 static int ieee80211_del_iface(struct wiphy *wiphy, struct wireless_dev *wdev)
143 {
144 	ieee80211_if_remove(IEEE80211_WDEV_TO_SUB_IF(wdev));
145 
146 	return 0;
147 }
148 
149 static int ieee80211_change_iface(struct wiphy *wiphy,
150 				  struct net_device *dev,
151 				  enum nl80211_iftype type,
152 				  struct vif_params *params)
153 {
154 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
155 	int ret;
156 
157 	ret = ieee80211_if_change_type(sdata, type);
158 	if (ret)
159 		return ret;
160 
161 	if (type == NL80211_IFTYPE_AP_VLAN && 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 && params->use_4addr >= 0) {
165 		sdata->u.mgd.use_4addr = params->use_4addr;
166 	}
167 
168 	if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
169 		ret = ieee80211_set_mon_options(sdata, params);
170 		if (ret)
171 			return ret;
172 	}
173 
174 	return 0;
175 }
176 
177 static int ieee80211_start_p2p_device(struct wiphy *wiphy,
178 				      struct wireless_dev *wdev)
179 {
180 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
181 	int ret;
182 
183 	mutex_lock(&sdata->local->chanctx_mtx);
184 	ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
185 	mutex_unlock(&sdata->local->chanctx_mtx);
186 	if (ret < 0)
187 		return ret;
188 
189 	return ieee80211_do_open(wdev, true);
190 }
191 
192 static void ieee80211_stop_p2p_device(struct wiphy *wiphy,
193 				      struct wireless_dev *wdev)
194 {
195 	ieee80211_sdata_stop(IEEE80211_WDEV_TO_SUB_IF(wdev));
196 }
197 
198 static int ieee80211_start_nan(struct wiphy *wiphy,
199 			       struct wireless_dev *wdev,
200 			       struct cfg80211_nan_conf *conf)
201 {
202 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
203 	int ret;
204 
205 	mutex_lock(&sdata->local->chanctx_mtx);
206 	ret = ieee80211_check_combinations(sdata, NULL, 0, 0);
207 	mutex_unlock(&sdata->local->chanctx_mtx);
208 	if (ret < 0)
209 		return ret;
210 
211 	ret = ieee80211_do_open(wdev, true);
212 	if (ret)
213 		return ret;
214 
215 	ret = drv_start_nan(sdata->local, sdata, conf);
216 	if (ret)
217 		ieee80211_sdata_stop(sdata);
218 
219 	sdata->u.nan.conf = *conf;
220 
221 	return ret;
222 }
223 
224 static void ieee80211_stop_nan(struct wiphy *wiphy,
225 			       struct wireless_dev *wdev)
226 {
227 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
228 
229 	drv_stop_nan(sdata->local, sdata);
230 	ieee80211_sdata_stop(sdata);
231 }
232 
233 static int ieee80211_nan_change_conf(struct wiphy *wiphy,
234 				     struct wireless_dev *wdev,
235 				     struct cfg80211_nan_conf *conf,
236 				     u32 changes)
237 {
238 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
239 	struct cfg80211_nan_conf new_conf;
240 	int ret = 0;
241 
242 	if (sdata->vif.type != NL80211_IFTYPE_NAN)
243 		return -EOPNOTSUPP;
244 
245 	if (!ieee80211_sdata_running(sdata))
246 		return -ENETDOWN;
247 
248 	new_conf = sdata->u.nan.conf;
249 
250 	if (changes & CFG80211_NAN_CONF_CHANGED_PREF)
251 		new_conf.master_pref = conf->master_pref;
252 
253 	if (changes & CFG80211_NAN_CONF_CHANGED_BANDS)
254 		new_conf.bands = conf->bands;
255 
256 	ret = drv_nan_change_conf(sdata->local, sdata, &new_conf, changes);
257 	if (!ret)
258 		sdata->u.nan.conf = new_conf;
259 
260 	return ret;
261 }
262 
263 static int ieee80211_add_nan_func(struct wiphy *wiphy,
264 				  struct wireless_dev *wdev,
265 				  struct cfg80211_nan_func *nan_func)
266 {
267 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
268 	int ret;
269 
270 	if (sdata->vif.type != NL80211_IFTYPE_NAN)
271 		return -EOPNOTSUPP;
272 
273 	if (!ieee80211_sdata_running(sdata))
274 		return -ENETDOWN;
275 
276 	spin_lock_bh(&sdata->u.nan.func_lock);
277 
278 	ret = idr_alloc(&sdata->u.nan.function_inst_ids,
279 			nan_func, 1, sdata->local->hw.max_nan_de_entries + 1,
280 			GFP_ATOMIC);
281 	spin_unlock_bh(&sdata->u.nan.func_lock);
282 
283 	if (ret < 0)
284 		return ret;
285 
286 	nan_func->instance_id = ret;
287 
288 	WARN_ON(nan_func->instance_id == 0);
289 
290 	ret = drv_add_nan_func(sdata->local, sdata, nan_func);
291 	if (ret) {
292 		spin_lock_bh(&sdata->u.nan.func_lock);
293 		idr_remove(&sdata->u.nan.function_inst_ids,
294 			   nan_func->instance_id);
295 		spin_unlock_bh(&sdata->u.nan.func_lock);
296 	}
297 
298 	return ret;
299 }
300 
301 static struct cfg80211_nan_func *
302 ieee80211_find_nan_func_by_cookie(struct ieee80211_sub_if_data *sdata,
303 				  u64 cookie)
304 {
305 	struct cfg80211_nan_func *func;
306 	int id;
307 
308 	lockdep_assert_held(&sdata->u.nan.func_lock);
309 
310 	idr_for_each_entry(&sdata->u.nan.function_inst_ids, func, id) {
311 		if (func->cookie == cookie)
312 			return func;
313 	}
314 
315 	return NULL;
316 }
317 
318 static void ieee80211_del_nan_func(struct wiphy *wiphy,
319 				  struct wireless_dev *wdev, u64 cookie)
320 {
321 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
322 	struct cfg80211_nan_func *func;
323 	u8 instance_id = 0;
324 
325 	if (sdata->vif.type != NL80211_IFTYPE_NAN ||
326 	    !ieee80211_sdata_running(sdata))
327 		return;
328 
329 	spin_lock_bh(&sdata->u.nan.func_lock);
330 
331 	func = ieee80211_find_nan_func_by_cookie(sdata, cookie);
332 	if (func)
333 		instance_id = func->instance_id;
334 
335 	spin_unlock_bh(&sdata->u.nan.func_lock);
336 
337 	if (instance_id)
338 		drv_del_nan_func(sdata->local, sdata, instance_id);
339 }
340 
341 static int ieee80211_set_noack_map(struct wiphy *wiphy,
342 				  struct net_device *dev,
343 				  u16 noack_map)
344 {
345 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
346 
347 	sdata->noack_map = noack_map;
348 
349 	ieee80211_check_fast_xmit_iface(sdata);
350 
351 	return 0;
352 }
353 
354 static int ieee80211_set_tx(struct ieee80211_sub_if_data *sdata,
355 			    const u8 *mac_addr, u8 key_idx)
356 {
357 	struct ieee80211_local *local = sdata->local;
358 	struct ieee80211_key *key;
359 	struct sta_info *sta;
360 	int ret = -EINVAL;
361 
362 	if (!wiphy_ext_feature_isset(local->hw.wiphy,
363 				     NL80211_EXT_FEATURE_EXT_KEY_ID))
364 		return -EINVAL;
365 
366 	sta = sta_info_get_bss(sdata, mac_addr);
367 
368 	if (!sta)
369 		return -EINVAL;
370 
371 	if (sta->ptk_idx == key_idx)
372 		return 0;
373 
374 	mutex_lock(&local->key_mtx);
375 	key = key_mtx_dereference(local, sta->ptk[key_idx]);
376 
377 	if (key && key->conf.flags & IEEE80211_KEY_FLAG_NO_AUTO_TX)
378 		ret = ieee80211_set_tx_key(key);
379 
380 	mutex_unlock(&local->key_mtx);
381 	return ret;
382 }
383 
384 static int ieee80211_add_key(struct wiphy *wiphy, struct net_device *dev,
385 			     u8 key_idx, bool pairwise, const u8 *mac_addr,
386 			     struct key_params *params)
387 {
388 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
389 	struct ieee80211_local *local = sdata->local;
390 	struct sta_info *sta = NULL;
391 	const struct ieee80211_cipher_scheme *cs = NULL;
392 	struct ieee80211_key *key;
393 	int err;
394 
395 	if (!ieee80211_sdata_running(sdata))
396 		return -ENETDOWN;
397 
398 	if (pairwise && params->mode == NL80211_KEY_SET_TX)
399 		return ieee80211_set_tx(sdata, mac_addr, key_idx);
400 
401 	/* reject WEP and TKIP keys if WEP failed to initialize */
402 	switch (params->cipher) {
403 	case WLAN_CIPHER_SUITE_WEP40:
404 	case WLAN_CIPHER_SUITE_TKIP:
405 	case WLAN_CIPHER_SUITE_WEP104:
406 		if (WARN_ON_ONCE(fips_enabled))
407 			return -EINVAL;
408 	case WLAN_CIPHER_SUITE_CCMP:
409 	case WLAN_CIPHER_SUITE_CCMP_256:
410 	case WLAN_CIPHER_SUITE_AES_CMAC:
411 	case WLAN_CIPHER_SUITE_BIP_CMAC_256:
412 	case WLAN_CIPHER_SUITE_BIP_GMAC_128:
413 	case WLAN_CIPHER_SUITE_BIP_GMAC_256:
414 	case WLAN_CIPHER_SUITE_GCMP:
415 	case WLAN_CIPHER_SUITE_GCMP_256:
416 		break;
417 	default:
418 		cs = ieee80211_cs_get(local, params->cipher, sdata->vif.type);
419 		break;
420 	}
421 
422 	key = ieee80211_key_alloc(params->cipher, key_idx, params->key_len,
423 				  params->key, params->seq_len, params->seq,
424 				  cs);
425 	if (IS_ERR(key))
426 		return PTR_ERR(key);
427 
428 	if (pairwise)
429 		key->conf.flags |= IEEE80211_KEY_FLAG_PAIRWISE;
430 
431 	if (params->mode == NL80211_KEY_NO_TX)
432 		key->conf.flags |= IEEE80211_KEY_FLAG_NO_AUTO_TX;
433 
434 	mutex_lock(&local->sta_mtx);
435 
436 	if (mac_addr) {
437 		sta = sta_info_get_bss(sdata, mac_addr);
438 		/*
439 		 * The ASSOC test makes sure the driver is ready to
440 		 * receive the key. When wpa_supplicant has roamed
441 		 * using FT, it attempts to set the key before
442 		 * association has completed, this rejects that attempt
443 		 * so it will set the key again after association.
444 		 *
445 		 * TODO: accept the key if we have a station entry and
446 		 *       add it to the device after the station.
447 		 */
448 		if (!sta || !test_sta_flag(sta, WLAN_STA_ASSOC)) {
449 			ieee80211_key_free_unused(key);
450 			err = -ENOENT;
451 			goto out_unlock;
452 		}
453 	}
454 
455 	switch (sdata->vif.type) {
456 	case NL80211_IFTYPE_STATION:
457 		if (sdata->u.mgd.mfp != IEEE80211_MFP_DISABLED)
458 			key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
459 		break;
460 	case NL80211_IFTYPE_AP:
461 	case NL80211_IFTYPE_AP_VLAN:
462 		/* Keys without a station are used for TX only */
463 		if (sta && test_sta_flag(sta, WLAN_STA_MFP))
464 			key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
465 		break;
466 	case NL80211_IFTYPE_ADHOC:
467 		/* no MFP (yet) */
468 		break;
469 	case NL80211_IFTYPE_MESH_POINT:
470 #ifdef CONFIG_MAC80211_MESH
471 		if (sdata->u.mesh.security != IEEE80211_MESH_SEC_NONE)
472 			key->conf.flags |= IEEE80211_KEY_FLAG_RX_MGMT;
473 		break;
474 #endif
475 	case NL80211_IFTYPE_WDS:
476 	case NL80211_IFTYPE_MONITOR:
477 	case NL80211_IFTYPE_P2P_DEVICE:
478 	case NL80211_IFTYPE_NAN:
479 	case NL80211_IFTYPE_UNSPECIFIED:
480 	case NUM_NL80211_IFTYPES:
481 	case NL80211_IFTYPE_P2P_CLIENT:
482 	case NL80211_IFTYPE_P2P_GO:
483 	case NL80211_IFTYPE_OCB:
484 		/* shouldn't happen */
485 		WARN_ON_ONCE(1);
486 		break;
487 	}
488 
489 	if (sta)
490 		sta->cipher_scheme = cs;
491 
492 	err = ieee80211_key_link(key, sdata, sta);
493 
494  out_unlock:
495 	mutex_unlock(&local->sta_mtx);
496 
497 	return err;
498 }
499 
500 static int ieee80211_del_key(struct wiphy *wiphy, struct net_device *dev,
501 			     u8 key_idx, bool pairwise, const u8 *mac_addr)
502 {
503 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
504 	struct ieee80211_local *local = sdata->local;
505 	struct sta_info *sta;
506 	struct ieee80211_key *key = NULL;
507 	int ret;
508 
509 	mutex_lock(&local->sta_mtx);
510 	mutex_lock(&local->key_mtx);
511 
512 	if (mac_addr) {
513 		ret = -ENOENT;
514 
515 		sta = sta_info_get_bss(sdata, mac_addr);
516 		if (!sta)
517 			goto out_unlock;
518 
519 		if (pairwise)
520 			key = key_mtx_dereference(local, sta->ptk[key_idx]);
521 		else
522 			key = key_mtx_dereference(local, sta->gtk[key_idx]);
523 	} else
524 		key = key_mtx_dereference(local, sdata->keys[key_idx]);
525 
526 	if (!key) {
527 		ret = -ENOENT;
528 		goto out_unlock;
529 	}
530 
531 	ieee80211_key_free(key, sdata->vif.type == NL80211_IFTYPE_STATION);
532 
533 	ret = 0;
534  out_unlock:
535 	mutex_unlock(&local->key_mtx);
536 	mutex_unlock(&local->sta_mtx);
537 
538 	return ret;
539 }
540 
541 static int ieee80211_get_key(struct wiphy *wiphy, struct net_device *dev,
542 			     u8 key_idx, bool pairwise, const u8 *mac_addr,
543 			     void *cookie,
544 			     void (*callback)(void *cookie,
545 					      struct key_params *params))
546 {
547 	struct ieee80211_sub_if_data *sdata;
548 	struct sta_info *sta = NULL;
549 	u8 seq[6] = {0};
550 	struct key_params params;
551 	struct ieee80211_key *key = NULL;
552 	u64 pn64;
553 	u32 iv32;
554 	u16 iv16;
555 	int err = -ENOENT;
556 	struct ieee80211_key_seq kseq = {};
557 
558 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
559 
560 	rcu_read_lock();
561 
562 	if (mac_addr) {
563 		sta = sta_info_get_bss(sdata, mac_addr);
564 		if (!sta)
565 			goto out;
566 
567 		if (pairwise && key_idx < NUM_DEFAULT_KEYS)
568 			key = rcu_dereference(sta->ptk[key_idx]);
569 		else if (!pairwise &&
570 			 key_idx < NUM_DEFAULT_KEYS + NUM_DEFAULT_MGMT_KEYS +
571 			 NUM_DEFAULT_BEACON_KEYS)
572 			key = rcu_dereference(sta->gtk[key_idx]);
573 	} else
574 		key = rcu_dereference(sdata->keys[key_idx]);
575 
576 	if (!key)
577 		goto out;
578 
579 	memset(&params, 0, sizeof(params));
580 
581 	params.cipher = key->conf.cipher;
582 
583 	switch (key->conf.cipher) {
584 	case WLAN_CIPHER_SUITE_TKIP:
585 		pn64 = atomic64_read(&key->conf.tx_pn);
586 		iv32 = TKIP_PN_TO_IV32(pn64);
587 		iv16 = TKIP_PN_TO_IV16(pn64);
588 
589 		if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
590 		    !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
591 			drv_get_key_seq(sdata->local, key, &kseq);
592 			iv32 = kseq.tkip.iv32;
593 			iv16 = kseq.tkip.iv16;
594 		}
595 
596 		seq[0] = iv16 & 0xff;
597 		seq[1] = (iv16 >> 8) & 0xff;
598 		seq[2] = iv32 & 0xff;
599 		seq[3] = (iv32 >> 8) & 0xff;
600 		seq[4] = (iv32 >> 16) & 0xff;
601 		seq[5] = (iv32 >> 24) & 0xff;
602 		params.seq = seq;
603 		params.seq_len = 6;
604 		break;
605 	case WLAN_CIPHER_SUITE_CCMP:
606 	case WLAN_CIPHER_SUITE_CCMP_256:
607 	case WLAN_CIPHER_SUITE_AES_CMAC:
608 	case WLAN_CIPHER_SUITE_BIP_CMAC_256:
609 		BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
610 			     offsetof(typeof(kseq), aes_cmac));
611 		/* fall through */
612 	case WLAN_CIPHER_SUITE_BIP_GMAC_128:
613 	case WLAN_CIPHER_SUITE_BIP_GMAC_256:
614 		BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
615 			     offsetof(typeof(kseq), aes_gmac));
616 		/* fall through */
617 	case WLAN_CIPHER_SUITE_GCMP:
618 	case WLAN_CIPHER_SUITE_GCMP_256:
619 		BUILD_BUG_ON(offsetof(typeof(kseq), ccmp) !=
620 			     offsetof(typeof(kseq), gcmp));
621 
622 		if (key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE &&
623 		    !(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV)) {
624 			drv_get_key_seq(sdata->local, key, &kseq);
625 			memcpy(seq, kseq.ccmp.pn, 6);
626 		} else {
627 			pn64 = atomic64_read(&key->conf.tx_pn);
628 			seq[0] = pn64;
629 			seq[1] = pn64 >> 8;
630 			seq[2] = pn64 >> 16;
631 			seq[3] = pn64 >> 24;
632 			seq[4] = pn64 >> 32;
633 			seq[5] = pn64 >> 40;
634 		}
635 		params.seq = seq;
636 		params.seq_len = 6;
637 		break;
638 	default:
639 		if (!(key->flags & KEY_FLAG_UPLOADED_TO_HARDWARE))
640 			break;
641 		if (WARN_ON(key->conf.flags & IEEE80211_KEY_FLAG_GENERATE_IV))
642 			break;
643 		drv_get_key_seq(sdata->local, key, &kseq);
644 		params.seq = kseq.hw.seq;
645 		params.seq_len = kseq.hw.seq_len;
646 		break;
647 	}
648 
649 	params.key = key->conf.key;
650 	params.key_len = key->conf.keylen;
651 
652 	callback(cookie, &params);
653 	err = 0;
654 
655  out:
656 	rcu_read_unlock();
657 	return err;
658 }
659 
660 static int ieee80211_config_default_key(struct wiphy *wiphy,
661 					struct net_device *dev,
662 					u8 key_idx, bool uni,
663 					bool multi)
664 {
665 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
666 
667 	ieee80211_set_default_key(sdata, key_idx, uni, multi);
668 
669 	return 0;
670 }
671 
672 static int ieee80211_config_default_mgmt_key(struct wiphy *wiphy,
673 					     struct net_device *dev,
674 					     u8 key_idx)
675 {
676 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
677 
678 	ieee80211_set_default_mgmt_key(sdata, key_idx);
679 
680 	return 0;
681 }
682 
683 static int ieee80211_config_default_beacon_key(struct wiphy *wiphy,
684 					       struct net_device *dev,
685 					       u8 key_idx)
686 {
687 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
688 
689 	ieee80211_set_default_beacon_key(sdata, key_idx);
690 
691 	return 0;
692 }
693 
694 void sta_set_rate_info_tx(struct sta_info *sta,
695 			  const struct ieee80211_tx_rate *rate,
696 			  struct rate_info *rinfo)
697 {
698 	rinfo->flags = 0;
699 	if (rate->flags & IEEE80211_TX_RC_MCS) {
700 		rinfo->flags |= RATE_INFO_FLAGS_MCS;
701 		rinfo->mcs = rate->idx;
702 	} else if (rate->flags & IEEE80211_TX_RC_VHT_MCS) {
703 		rinfo->flags |= RATE_INFO_FLAGS_VHT_MCS;
704 		rinfo->mcs = ieee80211_rate_get_vht_mcs(rate);
705 		rinfo->nss = ieee80211_rate_get_vht_nss(rate);
706 	} else {
707 		struct ieee80211_supported_band *sband;
708 		int shift = ieee80211_vif_get_shift(&sta->sdata->vif);
709 		u16 brate;
710 
711 		sband = ieee80211_get_sband(sta->sdata);
712 		if (sband) {
713 			brate = sband->bitrates[rate->idx].bitrate;
714 			rinfo->legacy = DIV_ROUND_UP(brate, 1 << shift);
715 		}
716 	}
717 	if (rate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
718 		rinfo->bw = RATE_INFO_BW_40;
719 	else if (rate->flags & IEEE80211_TX_RC_80_MHZ_WIDTH)
720 		rinfo->bw = RATE_INFO_BW_80;
721 	else if (rate->flags & IEEE80211_TX_RC_160_MHZ_WIDTH)
722 		rinfo->bw = RATE_INFO_BW_160;
723 	else
724 		rinfo->bw = RATE_INFO_BW_20;
725 	if (rate->flags & IEEE80211_TX_RC_SHORT_GI)
726 		rinfo->flags |= RATE_INFO_FLAGS_SHORT_GI;
727 }
728 
729 static int ieee80211_dump_station(struct wiphy *wiphy, struct net_device *dev,
730 				  int idx, u8 *mac, struct station_info *sinfo)
731 {
732 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
733 	struct ieee80211_local *local = sdata->local;
734 	struct sta_info *sta;
735 	int ret = -ENOENT;
736 
737 	mutex_lock(&local->sta_mtx);
738 
739 	sta = sta_info_get_by_idx(sdata, idx);
740 	if (sta) {
741 		ret = 0;
742 		memcpy(mac, sta->sta.addr, ETH_ALEN);
743 		sta_set_sinfo(sta, sinfo, true);
744 	}
745 
746 	mutex_unlock(&local->sta_mtx);
747 
748 	return ret;
749 }
750 
751 static int ieee80211_dump_survey(struct wiphy *wiphy, struct net_device *dev,
752 				 int idx, struct survey_info *survey)
753 {
754 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
755 
756 	return drv_get_survey(local, idx, survey);
757 }
758 
759 static int ieee80211_get_station(struct wiphy *wiphy, struct net_device *dev,
760 				 const u8 *mac, struct station_info *sinfo)
761 {
762 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
763 	struct ieee80211_local *local = sdata->local;
764 	struct sta_info *sta;
765 	int ret = -ENOENT;
766 
767 	mutex_lock(&local->sta_mtx);
768 
769 	sta = sta_info_get_bss(sdata, mac);
770 	if (sta) {
771 		ret = 0;
772 		sta_set_sinfo(sta, sinfo, true);
773 	}
774 
775 	mutex_unlock(&local->sta_mtx);
776 
777 	return ret;
778 }
779 
780 static int ieee80211_set_monitor_channel(struct wiphy *wiphy,
781 					 struct cfg80211_chan_def *chandef)
782 {
783 	struct ieee80211_local *local = wiphy_priv(wiphy);
784 	struct ieee80211_sub_if_data *sdata;
785 	int ret = 0;
786 
787 	if (cfg80211_chandef_identical(&local->monitor_chandef, chandef))
788 		return 0;
789 
790 	mutex_lock(&local->mtx);
791 	if (local->use_chanctx) {
792 		sdata = rtnl_dereference(local->monitor_sdata);
793 		if (sdata) {
794 			ieee80211_vif_release_channel(sdata);
795 			ret = ieee80211_vif_use_channel(sdata, chandef,
796 					IEEE80211_CHANCTX_EXCLUSIVE);
797 		}
798 	} else if (local->open_count == local->monitors) {
799 		local->_oper_chandef = *chandef;
800 		ieee80211_hw_config(local, 0);
801 	}
802 
803 	if (ret == 0)
804 		local->monitor_chandef = *chandef;
805 	mutex_unlock(&local->mtx);
806 
807 	return ret;
808 }
809 
810 static int ieee80211_set_probe_resp(struct ieee80211_sub_if_data *sdata,
811 				    const u8 *resp, size_t resp_len,
812 				    const struct ieee80211_csa_settings *csa)
813 {
814 	struct probe_resp *new, *old;
815 
816 	if (!resp || !resp_len)
817 		return 1;
818 
819 	old = sdata_dereference(sdata->u.ap.probe_resp, sdata);
820 
821 	new = kzalloc(sizeof(struct probe_resp) + resp_len, GFP_KERNEL);
822 	if (!new)
823 		return -ENOMEM;
824 
825 	new->len = resp_len;
826 	memcpy(new->data, resp, resp_len);
827 
828 	if (csa)
829 		memcpy(new->csa_counter_offsets, csa->counter_offsets_presp,
830 		       csa->n_counter_offsets_presp *
831 		       sizeof(new->csa_counter_offsets[0]));
832 
833 	rcu_assign_pointer(sdata->u.ap.probe_resp, new);
834 	if (old)
835 		kfree_rcu(old, rcu_head);
836 
837 	return 0;
838 }
839 
840 static int ieee80211_set_ftm_responder_params(
841 				struct ieee80211_sub_if_data *sdata,
842 				const u8 *lci, size_t lci_len,
843 				const u8 *civicloc, size_t civicloc_len)
844 {
845 	struct ieee80211_ftm_responder_params *new, *old;
846 	struct ieee80211_bss_conf *bss_conf;
847 	u8 *pos;
848 	int len;
849 
850 	if (!lci_len && !civicloc_len)
851 		return 0;
852 
853 	bss_conf = &sdata->vif.bss_conf;
854 	old = bss_conf->ftmr_params;
855 	len = lci_len + civicloc_len;
856 
857 	new = kzalloc(sizeof(*new) + len, GFP_KERNEL);
858 	if (!new)
859 		return -ENOMEM;
860 
861 	pos = (u8 *)(new + 1);
862 	if (lci_len) {
863 		new->lci_len = lci_len;
864 		new->lci = pos;
865 		memcpy(pos, lci, lci_len);
866 		pos += lci_len;
867 	}
868 
869 	if (civicloc_len) {
870 		new->civicloc_len = civicloc_len;
871 		new->civicloc = pos;
872 		memcpy(pos, civicloc, civicloc_len);
873 		pos += civicloc_len;
874 	}
875 
876 	bss_conf->ftmr_params = new;
877 	kfree(old);
878 
879 	return 0;
880 }
881 
882 static int ieee80211_assign_beacon(struct ieee80211_sub_if_data *sdata,
883 				   struct cfg80211_beacon_data *params,
884 				   const struct ieee80211_csa_settings *csa)
885 {
886 	struct beacon_data *new, *old;
887 	int new_head_len, new_tail_len;
888 	int size, err;
889 	u32 changed = BSS_CHANGED_BEACON;
890 
891 	old = sdata_dereference(sdata->u.ap.beacon, sdata);
892 
893 
894 	/* Need to have a beacon head if we don't have one yet */
895 	if (!params->head && !old)
896 		return -EINVAL;
897 
898 	/* new or old head? */
899 	if (params->head)
900 		new_head_len = params->head_len;
901 	else
902 		new_head_len = old->head_len;
903 
904 	/* new or old tail? */
905 	if (params->tail || !old)
906 		/* params->tail_len will be zero for !params->tail */
907 		new_tail_len = params->tail_len;
908 	else
909 		new_tail_len = old->tail_len;
910 
911 	size = sizeof(*new) + new_head_len + new_tail_len;
912 
913 	new = kzalloc(size, GFP_KERNEL);
914 	if (!new)
915 		return -ENOMEM;
916 
917 	/* start filling the new info now */
918 
919 	/*
920 	 * pointers go into the block we allocated,
921 	 * memory is | beacon_data | head | tail |
922 	 */
923 	new->head = ((u8 *) new) + sizeof(*new);
924 	new->tail = new->head + new_head_len;
925 	new->head_len = new_head_len;
926 	new->tail_len = new_tail_len;
927 
928 	if (csa) {
929 		new->csa_current_counter = csa->count;
930 		memcpy(new->csa_counter_offsets, csa->counter_offsets_beacon,
931 		       csa->n_counter_offsets_beacon *
932 		       sizeof(new->csa_counter_offsets[0]));
933 	}
934 
935 	/* copy in head */
936 	if (params->head)
937 		memcpy(new->head, params->head, new_head_len);
938 	else
939 		memcpy(new->head, old->head, new_head_len);
940 
941 	/* copy in optional tail */
942 	if (params->tail)
943 		memcpy(new->tail, params->tail, new_tail_len);
944 	else
945 		if (old)
946 			memcpy(new->tail, old->tail, new_tail_len);
947 
948 	err = ieee80211_set_probe_resp(sdata, params->probe_resp,
949 				       params->probe_resp_len, csa);
950 	if (err < 0) {
951 		kfree(new);
952 		return err;
953 	}
954 	if (err == 0)
955 		changed |= BSS_CHANGED_AP_PROBE_RESP;
956 
957 	if (params->ftm_responder != -1) {
958 		sdata->vif.bss_conf.ftm_responder = params->ftm_responder;
959 		err = ieee80211_set_ftm_responder_params(sdata,
960 							 params->lci,
961 							 params->lci_len,
962 							 params->civicloc,
963 							 params->civicloc_len);
964 
965 		if (err < 0) {
966 			kfree(new);
967 			return err;
968 		}
969 
970 		changed |= BSS_CHANGED_FTM_RESPONDER;
971 	}
972 
973 	rcu_assign_pointer(sdata->u.ap.beacon, new);
974 
975 	if (old)
976 		kfree_rcu(old, rcu_head);
977 
978 	return changed;
979 }
980 
981 static int ieee80211_start_ap(struct wiphy *wiphy, struct net_device *dev,
982 			      struct cfg80211_ap_settings *params)
983 {
984 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
985 	struct ieee80211_local *local = sdata->local;
986 	struct beacon_data *old;
987 	struct ieee80211_sub_if_data *vlan;
988 	u32 changed = BSS_CHANGED_BEACON_INT |
989 		      BSS_CHANGED_BEACON_ENABLED |
990 		      BSS_CHANGED_BEACON |
991 		      BSS_CHANGED_SSID |
992 		      BSS_CHANGED_P2P_PS |
993 		      BSS_CHANGED_TXPOWER |
994 		      BSS_CHANGED_TWT |
995 		      BSS_CHANGED_HE_OBSS_PD |
996 		      BSS_CHANGED_HE_BSS_COLOR;
997 	int i, err;
998 	int prev_beacon_int;
999 
1000 	old = sdata_dereference(sdata->u.ap.beacon, sdata);
1001 	if (old)
1002 		return -EALREADY;
1003 
1004 	if (params->smps_mode != NL80211_SMPS_OFF)
1005 		return -ENOTSUPP;
1006 
1007 	sdata->smps_mode = IEEE80211_SMPS_OFF;
1008 
1009 	sdata->needed_rx_chains = sdata->local->rx_chains;
1010 
1011 	prev_beacon_int = sdata->vif.bss_conf.beacon_int;
1012 	sdata->vif.bss_conf.beacon_int = params->beacon_interval;
1013 
1014 	if (params->he_cap && params->he_oper) {
1015 		sdata->vif.bss_conf.he_support = true;
1016 		sdata->vif.bss_conf.htc_trig_based_pkt_ext =
1017 			le32_get_bits(params->he_oper->he_oper_params,
1018 			      IEEE80211_HE_OPERATION_DFLT_PE_DURATION_MASK);
1019 		sdata->vif.bss_conf.frame_time_rts_th =
1020 			le32_get_bits(params->he_oper->he_oper_params,
1021 			      IEEE80211_HE_OPERATION_RTS_THRESHOLD_MASK);
1022 	}
1023 
1024 	mutex_lock(&local->mtx);
1025 	err = ieee80211_vif_use_channel(sdata, &params->chandef,
1026 					IEEE80211_CHANCTX_SHARED);
1027 	if (!err)
1028 		ieee80211_vif_copy_chanctx_to_vlans(sdata, false);
1029 	mutex_unlock(&local->mtx);
1030 	if (err) {
1031 		sdata->vif.bss_conf.beacon_int = prev_beacon_int;
1032 		return err;
1033 	}
1034 
1035 	/*
1036 	 * Apply control port protocol, this allows us to
1037 	 * not encrypt dynamic WEP control frames.
1038 	 */
1039 	sdata->control_port_protocol = params->crypto.control_port_ethertype;
1040 	sdata->control_port_no_encrypt = params->crypto.control_port_no_encrypt;
1041 	sdata->control_port_over_nl80211 =
1042 				params->crypto.control_port_over_nl80211;
1043 	sdata->control_port_no_preauth =
1044 				params->crypto.control_port_no_preauth;
1045 	sdata->encrypt_headroom = ieee80211_cs_headroom(sdata->local,
1046 							&params->crypto,
1047 							sdata->vif.type);
1048 
1049 	list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list) {
1050 		vlan->control_port_protocol =
1051 			params->crypto.control_port_ethertype;
1052 		vlan->control_port_no_encrypt =
1053 			params->crypto.control_port_no_encrypt;
1054 		vlan->control_port_over_nl80211 =
1055 			params->crypto.control_port_over_nl80211;
1056 		vlan->control_port_no_preauth =
1057 			params->crypto.control_port_no_preauth;
1058 		vlan->encrypt_headroom =
1059 			ieee80211_cs_headroom(sdata->local,
1060 					      &params->crypto,
1061 					      vlan->vif.type);
1062 	}
1063 
1064 	sdata->vif.bss_conf.dtim_period = params->dtim_period;
1065 	sdata->vif.bss_conf.enable_beacon = true;
1066 	sdata->vif.bss_conf.allow_p2p_go_ps = sdata->vif.p2p;
1067 	sdata->vif.bss_conf.twt_responder = params->twt_responder;
1068 	memcpy(&sdata->vif.bss_conf.he_obss_pd, &params->he_obss_pd,
1069 	       sizeof(struct ieee80211_he_obss_pd));
1070 	memcpy(&sdata->vif.bss_conf.he_bss_color, &params->he_bss_color,
1071 	       sizeof(struct ieee80211_he_bss_color));
1072 
1073 	sdata->vif.bss_conf.ssid_len = params->ssid_len;
1074 	if (params->ssid_len)
1075 		memcpy(sdata->vif.bss_conf.ssid, params->ssid,
1076 		       params->ssid_len);
1077 	sdata->vif.bss_conf.hidden_ssid =
1078 		(params->hidden_ssid != NL80211_HIDDEN_SSID_NOT_IN_USE);
1079 
1080 	memset(&sdata->vif.bss_conf.p2p_noa_attr, 0,
1081 	       sizeof(sdata->vif.bss_conf.p2p_noa_attr));
1082 	sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow =
1083 		params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
1084 	if (params->p2p_opp_ps)
1085 		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
1086 					IEEE80211_P2P_OPPPS_ENABLE_BIT;
1087 
1088 	sdata->beacon_rate_set = false;
1089 	if (wiphy_ext_feature_isset(local->hw.wiphy,
1090 				    NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
1091 		for (i = 0; i < NUM_NL80211_BANDS; i++) {
1092 			sdata->beacon_rateidx_mask[i] =
1093 				params->beacon_rate.control[i].legacy;
1094 			if (sdata->beacon_rateidx_mask[i])
1095 				sdata->beacon_rate_set = true;
1096 		}
1097 	}
1098 
1099 	err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
1100 	if (err < 0) {
1101 		ieee80211_vif_release_channel(sdata);
1102 		return err;
1103 	}
1104 	changed |= err;
1105 
1106 	err = drv_start_ap(sdata->local, sdata);
1107 	if (err) {
1108 		old = sdata_dereference(sdata->u.ap.beacon, sdata);
1109 
1110 		if (old)
1111 			kfree_rcu(old, rcu_head);
1112 		RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1113 		ieee80211_vif_release_channel(sdata);
1114 		return err;
1115 	}
1116 
1117 	ieee80211_recalc_dtim(local, sdata);
1118 	ieee80211_bss_info_change_notify(sdata, changed);
1119 
1120 	netif_carrier_on(dev);
1121 	list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1122 		netif_carrier_on(vlan->dev);
1123 
1124 	return 0;
1125 }
1126 
1127 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1128 				   struct cfg80211_beacon_data *params)
1129 {
1130 	struct ieee80211_sub_if_data *sdata;
1131 	struct beacon_data *old;
1132 	int err;
1133 
1134 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1135 	sdata_assert_lock(sdata);
1136 
1137 	/* don't allow changing the beacon while CSA is in place - offset
1138 	 * of channel switch counter may change
1139 	 */
1140 	if (sdata->vif.csa_active)
1141 		return -EBUSY;
1142 
1143 	old = sdata_dereference(sdata->u.ap.beacon, sdata);
1144 	if (!old)
1145 		return -ENOENT;
1146 
1147 	err = ieee80211_assign_beacon(sdata, params, NULL);
1148 	if (err < 0)
1149 		return err;
1150 	ieee80211_bss_info_change_notify(sdata, err);
1151 	return 0;
1152 }
1153 
1154 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1155 {
1156 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1157 	struct ieee80211_sub_if_data *vlan;
1158 	struct ieee80211_local *local = sdata->local;
1159 	struct beacon_data *old_beacon;
1160 	struct probe_resp *old_probe_resp;
1161 	struct cfg80211_chan_def chandef;
1162 
1163 	sdata_assert_lock(sdata);
1164 
1165 	old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1166 	if (!old_beacon)
1167 		return -ENOENT;
1168 	old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1169 
1170 	/* abort any running channel switch */
1171 	mutex_lock(&local->mtx);
1172 	sdata->vif.csa_active = false;
1173 	if (sdata->csa_block_tx) {
1174 		ieee80211_wake_vif_queues(local, sdata,
1175 					  IEEE80211_QUEUE_STOP_REASON_CSA);
1176 		sdata->csa_block_tx = false;
1177 	}
1178 
1179 	mutex_unlock(&local->mtx);
1180 
1181 	kfree(sdata->u.ap.next_beacon);
1182 	sdata->u.ap.next_beacon = NULL;
1183 
1184 	/* turn off carrier for this interface and dependent VLANs */
1185 	list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1186 		netif_carrier_off(vlan->dev);
1187 	netif_carrier_off(dev);
1188 
1189 	/* remove beacon and probe response */
1190 	RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1191 	RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1192 	kfree_rcu(old_beacon, rcu_head);
1193 	if (old_probe_resp)
1194 		kfree_rcu(old_probe_resp, rcu_head);
1195 
1196 	kfree(sdata->vif.bss_conf.ftmr_params);
1197 	sdata->vif.bss_conf.ftmr_params = NULL;
1198 
1199 	__sta_info_flush(sdata, true);
1200 	ieee80211_free_keys(sdata, true);
1201 
1202 	sdata->vif.bss_conf.enable_beacon = false;
1203 	sdata->beacon_rate_set = false;
1204 	sdata->vif.bss_conf.ssid_len = 0;
1205 	clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1206 	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1207 
1208 	if (sdata->wdev.cac_started) {
1209 		chandef = sdata->vif.bss_conf.chandef;
1210 		cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1211 		cfg80211_cac_event(sdata->dev, &chandef,
1212 				   NL80211_RADAR_CAC_ABORTED,
1213 				   GFP_KERNEL);
1214 	}
1215 
1216 	drv_stop_ap(sdata->local, sdata);
1217 
1218 	/* free all potentially still buffered bcast frames */
1219 	local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1220 	ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1221 
1222 	mutex_lock(&local->mtx);
1223 	ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1224 	ieee80211_vif_release_channel(sdata);
1225 	mutex_unlock(&local->mtx);
1226 
1227 	return 0;
1228 }
1229 
1230 static int sta_apply_auth_flags(struct ieee80211_local *local,
1231 				struct sta_info *sta,
1232 				u32 mask, u32 set)
1233 {
1234 	int ret;
1235 
1236 	if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1237 	    set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1238 	    !test_sta_flag(sta, WLAN_STA_AUTH)) {
1239 		ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1240 		if (ret)
1241 			return ret;
1242 	}
1243 
1244 	if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1245 	    set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1246 	    !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1247 		/*
1248 		 * When peer becomes associated, init rate control as
1249 		 * well. Some drivers require rate control initialized
1250 		 * before drv_sta_state() is called.
1251 		 */
1252 		if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1253 			rate_control_rate_init(sta);
1254 
1255 		ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1256 		if (ret)
1257 			return ret;
1258 	}
1259 
1260 	if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1261 		if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1262 			ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1263 		else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1264 			ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1265 		else
1266 			ret = 0;
1267 		if (ret)
1268 			return ret;
1269 	}
1270 
1271 	if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1272 	    !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1273 	    test_sta_flag(sta, WLAN_STA_ASSOC)) {
1274 		ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1275 		if (ret)
1276 			return ret;
1277 	}
1278 
1279 	if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1280 	    !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1281 	    test_sta_flag(sta, WLAN_STA_AUTH)) {
1282 		ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1283 		if (ret)
1284 			return ret;
1285 	}
1286 
1287 	return 0;
1288 }
1289 
1290 static void sta_apply_mesh_params(struct ieee80211_local *local,
1291 				  struct sta_info *sta,
1292 				  struct station_parameters *params)
1293 {
1294 #ifdef CONFIG_MAC80211_MESH
1295 	struct ieee80211_sub_if_data *sdata = sta->sdata;
1296 	u32 changed = 0;
1297 
1298 	if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1299 		switch (params->plink_state) {
1300 		case NL80211_PLINK_ESTAB:
1301 			if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1302 				changed = mesh_plink_inc_estab_count(sdata);
1303 			sta->mesh->plink_state = params->plink_state;
1304 			sta->mesh->aid = params->peer_aid;
1305 
1306 			ieee80211_mps_sta_status_update(sta);
1307 			changed |= ieee80211_mps_set_sta_local_pm(sta,
1308 				      sdata->u.mesh.mshcfg.power_mode);
1309 
1310 			ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
1311 			/* init at low value */
1312 			ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
1313 
1314 			break;
1315 		case NL80211_PLINK_LISTEN:
1316 		case NL80211_PLINK_BLOCKED:
1317 		case NL80211_PLINK_OPN_SNT:
1318 		case NL80211_PLINK_OPN_RCVD:
1319 		case NL80211_PLINK_CNF_RCVD:
1320 		case NL80211_PLINK_HOLDING:
1321 			if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1322 				changed = mesh_plink_dec_estab_count(sdata);
1323 			sta->mesh->plink_state = params->plink_state;
1324 
1325 			ieee80211_mps_sta_status_update(sta);
1326 			changed |= ieee80211_mps_set_sta_local_pm(sta,
1327 					NL80211_MESH_POWER_UNKNOWN);
1328 			break;
1329 		default:
1330 			/*  nothing  */
1331 			break;
1332 		}
1333 	}
1334 
1335 	switch (params->plink_action) {
1336 	case NL80211_PLINK_ACTION_NO_ACTION:
1337 		/* nothing */
1338 		break;
1339 	case NL80211_PLINK_ACTION_OPEN:
1340 		changed |= mesh_plink_open(sta);
1341 		break;
1342 	case NL80211_PLINK_ACTION_BLOCK:
1343 		changed |= mesh_plink_block(sta);
1344 		break;
1345 	}
1346 
1347 	if (params->local_pm)
1348 		changed |= ieee80211_mps_set_sta_local_pm(sta,
1349 							  params->local_pm);
1350 
1351 	ieee80211_mbss_info_change_notify(sdata, changed);
1352 #endif
1353 }
1354 
1355 static int sta_apply_parameters(struct ieee80211_local *local,
1356 				struct sta_info *sta,
1357 				struct station_parameters *params)
1358 {
1359 	int ret = 0;
1360 	struct ieee80211_supported_band *sband;
1361 	struct ieee80211_sub_if_data *sdata = sta->sdata;
1362 	u32 mask, set;
1363 
1364 	sband = ieee80211_get_sband(sdata);
1365 	if (!sband)
1366 		return -EINVAL;
1367 
1368 	mask = params->sta_flags_mask;
1369 	set = params->sta_flags_set;
1370 
1371 	if (ieee80211_vif_is_mesh(&sdata->vif)) {
1372 		/*
1373 		 * In mesh mode, ASSOCIATED isn't part of the nl80211
1374 		 * API but must follow AUTHENTICATED for driver state.
1375 		 */
1376 		if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1377 			mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1378 		if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1379 			set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1380 	} else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1381 		/*
1382 		 * TDLS -- everything follows authorized, but
1383 		 * only becoming authorized is possible, not
1384 		 * going back
1385 		 */
1386 		if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1387 			set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1388 			       BIT(NL80211_STA_FLAG_ASSOCIATED);
1389 			mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1390 				BIT(NL80211_STA_FLAG_ASSOCIATED);
1391 		}
1392 	}
1393 
1394 	if (mask & BIT(NL80211_STA_FLAG_WME) &&
1395 	    local->hw.queues >= IEEE80211_NUM_ACS)
1396 		sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1397 
1398 	/* auth flags will be set later for TDLS,
1399 	 * and for unassociated stations that move to assocaited */
1400 	if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1401 	    !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1402 	      (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1403 		ret = sta_apply_auth_flags(local, sta, mask, set);
1404 		if (ret)
1405 			return ret;
1406 	}
1407 
1408 	if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1409 		if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1410 			set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1411 		else
1412 			clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1413 	}
1414 
1415 	if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1416 		sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1417 		if (set & BIT(NL80211_STA_FLAG_MFP))
1418 			set_sta_flag(sta, WLAN_STA_MFP);
1419 		else
1420 			clear_sta_flag(sta, WLAN_STA_MFP);
1421 	}
1422 
1423 	if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1424 		if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1425 			set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1426 		else
1427 			clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1428 	}
1429 
1430 	/* mark TDLS channel switch support, if the AP allows it */
1431 	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1432 	    !sdata->u.mgd.tdls_chan_switch_prohibited &&
1433 	    params->ext_capab_len >= 4 &&
1434 	    params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1435 		set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1436 
1437 	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1438 	    !sdata->u.mgd.tdls_wider_bw_prohibited &&
1439 	    ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1440 	    params->ext_capab_len >= 8 &&
1441 	    params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1442 		set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1443 
1444 	if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1445 		sta->sta.uapsd_queues = params->uapsd_queues;
1446 		sta->sta.max_sp = params->max_sp;
1447 	}
1448 
1449 	/* The sender might not have sent the last bit, consider it to be 0 */
1450 	if (params->ext_capab_len >= 8) {
1451 		u8 val = (params->ext_capab[7] &
1452 			  WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1453 
1454 		/* we did get all the bits, take the MSB as well */
1455 		if (params->ext_capab_len >= 9) {
1456 			u8 val_msb = params->ext_capab[8] &
1457 				WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1458 			val_msb <<= 1;
1459 			val |= val_msb;
1460 		}
1461 
1462 		switch (val) {
1463 		case 1:
1464 			sta->sta.max_amsdu_subframes = 32;
1465 			break;
1466 		case 2:
1467 			sta->sta.max_amsdu_subframes = 16;
1468 			break;
1469 		case 3:
1470 			sta->sta.max_amsdu_subframes = 8;
1471 			break;
1472 		default:
1473 			sta->sta.max_amsdu_subframes = 0;
1474 		}
1475 	}
1476 
1477 	/*
1478 	 * cfg80211 validates this (1-2007) and allows setting the AID
1479 	 * only when creating a new station entry
1480 	 */
1481 	if (params->aid)
1482 		sta->sta.aid = params->aid;
1483 
1484 	/*
1485 	 * Some of the following updates would be racy if called on an
1486 	 * existing station, via ieee80211_change_station(). However,
1487 	 * all such changes are rejected by cfg80211 except for updates
1488 	 * changing the supported rates on an existing but not yet used
1489 	 * TDLS peer.
1490 	 */
1491 
1492 	if (params->listen_interval >= 0)
1493 		sta->listen_interval = params->listen_interval;
1494 
1495 	if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) {
1496 		sta->sta.txpwr.type = params->txpwr.type;
1497 		if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1498 			sta->sta.txpwr.power = params->txpwr.power;
1499 		ret = drv_sta_set_txpwr(local, sdata, sta);
1500 		if (ret)
1501 			return ret;
1502 	}
1503 
1504 	if (params->supported_rates && params->supported_rates_len) {
1505 		ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1506 					 sband, params->supported_rates,
1507 					 params->supported_rates_len,
1508 					 &sta->sta.supp_rates[sband->band]);
1509 	}
1510 
1511 	if (params->ht_capa)
1512 		ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1513 						  params->ht_capa, sta);
1514 
1515 	/* VHT can override some HT caps such as the A-MSDU max length */
1516 	if (params->vht_capa)
1517 		ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1518 						    params->vht_capa, sta);
1519 
1520 	if (params->he_capa)
1521 		ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1522 						  (void *)params->he_capa,
1523 						  params->he_capa_len,
1524 						  (void *)params->he_6ghz_capa,
1525 						  sta);
1526 
1527 	if (params->opmode_notif_used) {
1528 		/* returned value is only needed for rc update, but the
1529 		 * rc isn't initialized here yet, so ignore it
1530 		 */
1531 		__ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1532 					      sband->band);
1533 	}
1534 
1535 	if (params->support_p2p_ps >= 0)
1536 		sta->sta.support_p2p_ps = params->support_p2p_ps;
1537 
1538 	if (ieee80211_vif_is_mesh(&sdata->vif))
1539 		sta_apply_mesh_params(local, sta, params);
1540 
1541 	if (params->airtime_weight)
1542 		sta->airtime_weight = params->airtime_weight;
1543 
1544 	/* set the STA state after all sta info from usermode has been set */
1545 	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1546 	    set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1547 		ret = sta_apply_auth_flags(local, sta, mask, set);
1548 		if (ret)
1549 			return ret;
1550 	}
1551 
1552 	return 0;
1553 }
1554 
1555 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1556 				 const u8 *mac,
1557 				 struct station_parameters *params)
1558 {
1559 	struct ieee80211_local *local = wiphy_priv(wiphy);
1560 	struct sta_info *sta;
1561 	struct ieee80211_sub_if_data *sdata;
1562 	int err;
1563 
1564 	if (params->vlan) {
1565 		sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1566 
1567 		if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1568 		    sdata->vif.type != NL80211_IFTYPE_AP)
1569 			return -EINVAL;
1570 	} else
1571 		sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1572 
1573 	if (ether_addr_equal(mac, sdata->vif.addr))
1574 		return -EINVAL;
1575 
1576 	if (!is_valid_ether_addr(mac))
1577 		return -EINVAL;
1578 
1579 	if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1580 	    sdata->vif.type == NL80211_IFTYPE_STATION &&
1581 	    !sdata->u.mgd.associated)
1582 		return -EINVAL;
1583 
1584 	sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1585 	if (!sta)
1586 		return -ENOMEM;
1587 
1588 	if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1589 		sta->sta.tdls = true;
1590 
1591 	err = sta_apply_parameters(local, sta, params);
1592 	if (err) {
1593 		sta_info_free(local, sta);
1594 		return err;
1595 	}
1596 
1597 	/*
1598 	 * for TDLS and for unassociated station, rate control should be
1599 	 * initialized only when rates are known and station is marked
1600 	 * authorized/associated
1601 	 */
1602 	if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1603 	    test_sta_flag(sta, WLAN_STA_ASSOC))
1604 		rate_control_rate_init(sta);
1605 
1606 	err = sta_info_insert_rcu(sta);
1607 	if (err) {
1608 		rcu_read_unlock();
1609 		return err;
1610 	}
1611 
1612 	rcu_read_unlock();
1613 
1614 	return 0;
1615 }
1616 
1617 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1618 				 struct station_del_parameters *params)
1619 {
1620 	struct ieee80211_sub_if_data *sdata;
1621 
1622 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1623 
1624 	if (params->mac)
1625 		return sta_info_destroy_addr_bss(sdata, params->mac);
1626 
1627 	sta_info_flush(sdata);
1628 	return 0;
1629 }
1630 
1631 static int ieee80211_change_station(struct wiphy *wiphy,
1632 				    struct net_device *dev, const u8 *mac,
1633 				    struct station_parameters *params)
1634 {
1635 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1636 	struct ieee80211_local *local = wiphy_priv(wiphy);
1637 	struct sta_info *sta;
1638 	struct ieee80211_sub_if_data *vlansdata;
1639 	enum cfg80211_station_type statype;
1640 	int err;
1641 
1642 	mutex_lock(&local->sta_mtx);
1643 
1644 	sta = sta_info_get_bss(sdata, mac);
1645 	if (!sta) {
1646 		err = -ENOENT;
1647 		goto out_err;
1648 	}
1649 
1650 	switch (sdata->vif.type) {
1651 	case NL80211_IFTYPE_MESH_POINT:
1652 		if (sdata->u.mesh.user_mpm)
1653 			statype = CFG80211_STA_MESH_PEER_USER;
1654 		else
1655 			statype = CFG80211_STA_MESH_PEER_KERNEL;
1656 		break;
1657 	case NL80211_IFTYPE_ADHOC:
1658 		statype = CFG80211_STA_IBSS;
1659 		break;
1660 	case NL80211_IFTYPE_STATION:
1661 		if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1662 			statype = CFG80211_STA_AP_STA;
1663 			break;
1664 		}
1665 		if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1666 			statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1667 		else
1668 			statype = CFG80211_STA_TDLS_PEER_SETUP;
1669 		break;
1670 	case NL80211_IFTYPE_AP:
1671 	case NL80211_IFTYPE_AP_VLAN:
1672 		if (test_sta_flag(sta, WLAN_STA_ASSOC))
1673 			statype = CFG80211_STA_AP_CLIENT;
1674 		else
1675 			statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1676 		break;
1677 	default:
1678 		err = -EOPNOTSUPP;
1679 		goto out_err;
1680 	}
1681 
1682 	err = cfg80211_check_station_change(wiphy, params, statype);
1683 	if (err)
1684 		goto out_err;
1685 
1686 	if (params->vlan && params->vlan != sta->sdata->dev) {
1687 		vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1688 
1689 		if (params->vlan->ieee80211_ptr->use_4addr) {
1690 			if (vlansdata->u.vlan.sta) {
1691 				err = -EBUSY;
1692 				goto out_err;
1693 			}
1694 
1695 			rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1696 			__ieee80211_check_fast_rx_iface(vlansdata);
1697 		}
1698 
1699 		if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1700 		    sta->sdata->u.vlan.sta)
1701 			RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1702 
1703 		if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1704 			ieee80211_vif_dec_num_mcast(sta->sdata);
1705 
1706 		sta->sdata = vlansdata;
1707 		ieee80211_check_fast_xmit(sta);
1708 
1709 		if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1710 			ieee80211_vif_inc_num_mcast(sta->sdata);
1711 			cfg80211_send_layer2_update(sta->sdata->dev,
1712 						    sta->sta.addr);
1713 		}
1714 	}
1715 
1716 	err = sta_apply_parameters(local, sta, params);
1717 	if (err)
1718 		goto out_err;
1719 
1720 	mutex_unlock(&local->sta_mtx);
1721 
1722 	if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1723 	    params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1724 		ieee80211_recalc_ps(local);
1725 		ieee80211_recalc_ps_vif(sdata);
1726 	}
1727 
1728 	return 0;
1729 out_err:
1730 	mutex_unlock(&local->sta_mtx);
1731 	return err;
1732 }
1733 
1734 #ifdef CONFIG_MAC80211_MESH
1735 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1736 			       const u8 *dst, const u8 *next_hop)
1737 {
1738 	struct ieee80211_sub_if_data *sdata;
1739 	struct mesh_path *mpath;
1740 	struct sta_info *sta;
1741 
1742 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1743 
1744 	rcu_read_lock();
1745 	sta = sta_info_get(sdata, next_hop);
1746 	if (!sta) {
1747 		rcu_read_unlock();
1748 		return -ENOENT;
1749 	}
1750 
1751 	mpath = mesh_path_add(sdata, dst);
1752 	if (IS_ERR(mpath)) {
1753 		rcu_read_unlock();
1754 		return PTR_ERR(mpath);
1755 	}
1756 
1757 	mesh_path_fix_nexthop(mpath, sta);
1758 
1759 	rcu_read_unlock();
1760 	return 0;
1761 }
1762 
1763 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1764 			       const u8 *dst)
1765 {
1766 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1767 
1768 	if (dst)
1769 		return mesh_path_del(sdata, dst);
1770 
1771 	mesh_path_flush_by_iface(sdata);
1772 	return 0;
1773 }
1774 
1775 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1776 				  const u8 *dst, const u8 *next_hop)
1777 {
1778 	struct ieee80211_sub_if_data *sdata;
1779 	struct mesh_path *mpath;
1780 	struct sta_info *sta;
1781 
1782 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1783 
1784 	rcu_read_lock();
1785 
1786 	sta = sta_info_get(sdata, next_hop);
1787 	if (!sta) {
1788 		rcu_read_unlock();
1789 		return -ENOENT;
1790 	}
1791 
1792 	mpath = mesh_path_lookup(sdata, dst);
1793 	if (!mpath) {
1794 		rcu_read_unlock();
1795 		return -ENOENT;
1796 	}
1797 
1798 	mesh_path_fix_nexthop(mpath, sta);
1799 
1800 	rcu_read_unlock();
1801 	return 0;
1802 }
1803 
1804 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1805 			    struct mpath_info *pinfo)
1806 {
1807 	struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1808 
1809 	if (next_hop_sta)
1810 		memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1811 	else
1812 		eth_zero_addr(next_hop);
1813 
1814 	memset(pinfo, 0, sizeof(*pinfo));
1815 
1816 	pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1817 
1818 	pinfo->filled = MPATH_INFO_FRAME_QLEN |
1819 			MPATH_INFO_SN |
1820 			MPATH_INFO_METRIC |
1821 			MPATH_INFO_EXPTIME |
1822 			MPATH_INFO_DISCOVERY_TIMEOUT |
1823 			MPATH_INFO_DISCOVERY_RETRIES |
1824 			MPATH_INFO_FLAGS |
1825 			MPATH_INFO_HOP_COUNT |
1826 			MPATH_INFO_PATH_CHANGE;
1827 
1828 	pinfo->frame_qlen = mpath->frame_queue.qlen;
1829 	pinfo->sn = mpath->sn;
1830 	pinfo->metric = mpath->metric;
1831 	if (time_before(jiffies, mpath->exp_time))
1832 		pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1833 	pinfo->discovery_timeout =
1834 			jiffies_to_msecs(mpath->discovery_timeout);
1835 	pinfo->discovery_retries = mpath->discovery_retries;
1836 	if (mpath->flags & MESH_PATH_ACTIVE)
1837 		pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1838 	if (mpath->flags & MESH_PATH_RESOLVING)
1839 		pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1840 	if (mpath->flags & MESH_PATH_SN_VALID)
1841 		pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1842 	if (mpath->flags & MESH_PATH_FIXED)
1843 		pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1844 	if (mpath->flags & MESH_PATH_RESOLVED)
1845 		pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1846 	pinfo->hop_count = mpath->hop_count;
1847 	pinfo->path_change_count = mpath->path_change_count;
1848 }
1849 
1850 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1851 			       u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1852 
1853 {
1854 	struct ieee80211_sub_if_data *sdata;
1855 	struct mesh_path *mpath;
1856 
1857 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1858 
1859 	rcu_read_lock();
1860 	mpath = mesh_path_lookup(sdata, dst);
1861 	if (!mpath) {
1862 		rcu_read_unlock();
1863 		return -ENOENT;
1864 	}
1865 	memcpy(dst, mpath->dst, ETH_ALEN);
1866 	mpath_set_pinfo(mpath, next_hop, pinfo);
1867 	rcu_read_unlock();
1868 	return 0;
1869 }
1870 
1871 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1872 				int idx, u8 *dst, u8 *next_hop,
1873 				struct mpath_info *pinfo)
1874 {
1875 	struct ieee80211_sub_if_data *sdata;
1876 	struct mesh_path *mpath;
1877 
1878 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1879 
1880 	rcu_read_lock();
1881 	mpath = mesh_path_lookup_by_idx(sdata, idx);
1882 	if (!mpath) {
1883 		rcu_read_unlock();
1884 		return -ENOENT;
1885 	}
1886 	memcpy(dst, mpath->dst, ETH_ALEN);
1887 	mpath_set_pinfo(mpath, next_hop, pinfo);
1888 	rcu_read_unlock();
1889 	return 0;
1890 }
1891 
1892 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1893 			  struct mpath_info *pinfo)
1894 {
1895 	memset(pinfo, 0, sizeof(*pinfo));
1896 	memcpy(mpp, mpath->mpp, ETH_ALEN);
1897 
1898 	pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1899 }
1900 
1901 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1902 			     u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1903 
1904 {
1905 	struct ieee80211_sub_if_data *sdata;
1906 	struct mesh_path *mpath;
1907 
1908 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1909 
1910 	rcu_read_lock();
1911 	mpath = mpp_path_lookup(sdata, dst);
1912 	if (!mpath) {
1913 		rcu_read_unlock();
1914 		return -ENOENT;
1915 	}
1916 	memcpy(dst, mpath->dst, ETH_ALEN);
1917 	mpp_set_pinfo(mpath, mpp, pinfo);
1918 	rcu_read_unlock();
1919 	return 0;
1920 }
1921 
1922 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1923 			      int idx, u8 *dst, u8 *mpp,
1924 			      struct mpath_info *pinfo)
1925 {
1926 	struct ieee80211_sub_if_data *sdata;
1927 	struct mesh_path *mpath;
1928 
1929 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1930 
1931 	rcu_read_lock();
1932 	mpath = mpp_path_lookup_by_idx(sdata, idx);
1933 	if (!mpath) {
1934 		rcu_read_unlock();
1935 		return -ENOENT;
1936 	}
1937 	memcpy(dst, mpath->dst, ETH_ALEN);
1938 	mpp_set_pinfo(mpath, mpp, pinfo);
1939 	rcu_read_unlock();
1940 	return 0;
1941 }
1942 
1943 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1944 				struct net_device *dev,
1945 				struct mesh_config *conf)
1946 {
1947 	struct ieee80211_sub_if_data *sdata;
1948 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1949 
1950 	memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1951 	return 0;
1952 }
1953 
1954 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1955 {
1956 	return (mask >> (parm-1)) & 0x1;
1957 }
1958 
1959 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1960 		const struct mesh_setup *setup)
1961 {
1962 	u8 *new_ie;
1963 	const u8 *old_ie;
1964 	struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1965 					struct ieee80211_sub_if_data, u.mesh);
1966 	int i;
1967 
1968 	/* allocate information elements */
1969 	new_ie = NULL;
1970 	old_ie = ifmsh->ie;
1971 
1972 	if (setup->ie_len) {
1973 		new_ie = kmemdup(setup->ie, setup->ie_len,
1974 				GFP_KERNEL);
1975 		if (!new_ie)
1976 			return -ENOMEM;
1977 	}
1978 	ifmsh->ie_len = setup->ie_len;
1979 	ifmsh->ie = new_ie;
1980 	kfree(old_ie);
1981 
1982 	/* now copy the rest of the setup parameters */
1983 	ifmsh->mesh_id_len = setup->mesh_id_len;
1984 	memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1985 	ifmsh->mesh_sp_id = setup->sync_method;
1986 	ifmsh->mesh_pp_id = setup->path_sel_proto;
1987 	ifmsh->mesh_pm_id = setup->path_metric;
1988 	ifmsh->user_mpm = setup->user_mpm;
1989 	ifmsh->mesh_auth_id = setup->auth_id;
1990 	ifmsh->security = IEEE80211_MESH_SEC_NONE;
1991 	ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
1992 	if (setup->is_authenticated)
1993 		ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1994 	if (setup->is_secure)
1995 		ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1996 
1997 	/* mcast rate setting in Mesh Node */
1998 	memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1999 						sizeof(setup->mcast_rate));
2000 	sdata->vif.bss_conf.basic_rates = setup->basic_rates;
2001 
2002 	sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
2003 	sdata->vif.bss_conf.dtim_period = setup->dtim_period;
2004 
2005 	sdata->beacon_rate_set = false;
2006 	if (wiphy_ext_feature_isset(sdata->local->hw.wiphy,
2007 				    NL80211_EXT_FEATURE_BEACON_RATE_LEGACY)) {
2008 		for (i = 0; i < NUM_NL80211_BANDS; i++) {
2009 			sdata->beacon_rateidx_mask[i] =
2010 				setup->beacon_rate.control[i].legacy;
2011 			if (sdata->beacon_rateidx_mask[i])
2012 				sdata->beacon_rate_set = true;
2013 		}
2014 	}
2015 
2016 	return 0;
2017 }
2018 
2019 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
2020 					struct net_device *dev, u32 mask,
2021 					const struct mesh_config *nconf)
2022 {
2023 	struct mesh_config *conf;
2024 	struct ieee80211_sub_if_data *sdata;
2025 	struct ieee80211_if_mesh *ifmsh;
2026 
2027 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2028 	ifmsh = &sdata->u.mesh;
2029 
2030 	/* Set the config options which we are interested in setting */
2031 	conf = &(sdata->u.mesh.mshcfg);
2032 	if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2033 		conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2034 	if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2035 		conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2036 	if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2037 		conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2038 	if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2039 		conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2040 	if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2041 		conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2042 	if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2043 		conf->dot11MeshTTL = nconf->dot11MeshTTL;
2044 	if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2045 		conf->element_ttl = nconf->element_ttl;
2046 	if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2047 		if (ifmsh->user_mpm)
2048 			return -EBUSY;
2049 		conf->auto_open_plinks = nconf->auto_open_plinks;
2050 	}
2051 	if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2052 		conf->dot11MeshNbrOffsetMaxNeighbor =
2053 			nconf->dot11MeshNbrOffsetMaxNeighbor;
2054 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2055 		conf->dot11MeshHWMPmaxPREQretries =
2056 			nconf->dot11MeshHWMPmaxPREQretries;
2057 	if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2058 		conf->path_refresh_time = nconf->path_refresh_time;
2059 	if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2060 		conf->min_discovery_timeout = nconf->min_discovery_timeout;
2061 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2062 		conf->dot11MeshHWMPactivePathTimeout =
2063 			nconf->dot11MeshHWMPactivePathTimeout;
2064 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2065 		conf->dot11MeshHWMPpreqMinInterval =
2066 			nconf->dot11MeshHWMPpreqMinInterval;
2067 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2068 		conf->dot11MeshHWMPperrMinInterval =
2069 			nconf->dot11MeshHWMPperrMinInterval;
2070 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2071 			   mask))
2072 		conf->dot11MeshHWMPnetDiameterTraversalTime =
2073 			nconf->dot11MeshHWMPnetDiameterTraversalTime;
2074 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2075 		conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2076 		ieee80211_mesh_root_setup(ifmsh);
2077 	}
2078 	if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2079 		/* our current gate announcement implementation rides on root
2080 		 * announcements, so require this ifmsh to also be a root node
2081 		 * */
2082 		if (nconf->dot11MeshGateAnnouncementProtocol &&
2083 		    !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2084 			conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2085 			ieee80211_mesh_root_setup(ifmsh);
2086 		}
2087 		conf->dot11MeshGateAnnouncementProtocol =
2088 			nconf->dot11MeshGateAnnouncementProtocol;
2089 	}
2090 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2091 		conf->dot11MeshHWMPRannInterval =
2092 			nconf->dot11MeshHWMPRannInterval;
2093 	if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2094 		conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2095 	if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2096 		/* our RSSI threshold implementation is supported only for
2097 		 * devices that report signal in dBm.
2098 		 */
2099 		if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2100 			return -ENOTSUPP;
2101 		conf->rssi_threshold = nconf->rssi_threshold;
2102 	}
2103 	if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2104 		conf->ht_opmode = nconf->ht_opmode;
2105 		sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2106 		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
2107 	}
2108 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2109 		conf->dot11MeshHWMPactivePathToRootTimeout =
2110 			nconf->dot11MeshHWMPactivePathToRootTimeout;
2111 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2112 		conf->dot11MeshHWMProotInterval =
2113 			nconf->dot11MeshHWMProotInterval;
2114 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2115 		conf->dot11MeshHWMPconfirmationInterval =
2116 			nconf->dot11MeshHWMPconfirmationInterval;
2117 	if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2118 		conf->power_mode = nconf->power_mode;
2119 		ieee80211_mps_local_status_update(sdata);
2120 	}
2121 	if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2122 		conf->dot11MeshAwakeWindowDuration =
2123 			nconf->dot11MeshAwakeWindowDuration;
2124 	if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2125 		conf->plink_timeout = nconf->plink_timeout;
2126 	if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2127 		conf->dot11MeshConnectedToMeshGate =
2128 			nconf->dot11MeshConnectedToMeshGate;
2129 	ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2130 	return 0;
2131 }
2132 
2133 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2134 			       const struct mesh_config *conf,
2135 			       const struct mesh_setup *setup)
2136 {
2137 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2138 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2139 	int err;
2140 
2141 	memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2142 	err = copy_mesh_setup(ifmsh, setup);
2143 	if (err)
2144 		return err;
2145 
2146 	sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2147 
2148 	/* can mesh use other SMPS modes? */
2149 	sdata->smps_mode = IEEE80211_SMPS_OFF;
2150 	sdata->needed_rx_chains = sdata->local->rx_chains;
2151 
2152 	mutex_lock(&sdata->local->mtx);
2153 	err = ieee80211_vif_use_channel(sdata, &setup->chandef,
2154 					IEEE80211_CHANCTX_SHARED);
2155 	mutex_unlock(&sdata->local->mtx);
2156 	if (err)
2157 		return err;
2158 
2159 	return ieee80211_start_mesh(sdata);
2160 }
2161 
2162 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2163 {
2164 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2165 
2166 	ieee80211_stop_mesh(sdata);
2167 	mutex_lock(&sdata->local->mtx);
2168 	ieee80211_vif_release_channel(sdata);
2169 	mutex_unlock(&sdata->local->mtx);
2170 
2171 	return 0;
2172 }
2173 #endif
2174 
2175 static int ieee80211_change_bss(struct wiphy *wiphy,
2176 				struct net_device *dev,
2177 				struct bss_parameters *params)
2178 {
2179 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2180 	struct ieee80211_supported_band *sband;
2181 	u32 changed = 0;
2182 
2183 	if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2184 		return -ENOENT;
2185 
2186 	sband = ieee80211_get_sband(sdata);
2187 	if (!sband)
2188 		return -EINVAL;
2189 
2190 	if (params->use_cts_prot >= 0) {
2191 		sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2192 		changed |= BSS_CHANGED_ERP_CTS_PROT;
2193 	}
2194 	if (params->use_short_preamble >= 0) {
2195 		sdata->vif.bss_conf.use_short_preamble =
2196 			params->use_short_preamble;
2197 		changed |= BSS_CHANGED_ERP_PREAMBLE;
2198 	}
2199 
2200 	if (!sdata->vif.bss_conf.use_short_slot &&
2201 	    (sband->band == NL80211_BAND_5GHZ ||
2202 	     sband->band == NL80211_BAND_6GHZ)) {
2203 		sdata->vif.bss_conf.use_short_slot = true;
2204 		changed |= BSS_CHANGED_ERP_SLOT;
2205 	}
2206 
2207 	if (params->use_short_slot_time >= 0) {
2208 		sdata->vif.bss_conf.use_short_slot =
2209 			params->use_short_slot_time;
2210 		changed |= BSS_CHANGED_ERP_SLOT;
2211 	}
2212 
2213 	if (params->basic_rates) {
2214 		ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2215 					 wiphy->bands[sband->band],
2216 					 params->basic_rates,
2217 					 params->basic_rates_len,
2218 					 &sdata->vif.bss_conf.basic_rates);
2219 		changed |= BSS_CHANGED_BASIC_RATES;
2220 		ieee80211_check_rate_mask(sdata);
2221 	}
2222 
2223 	if (params->ap_isolate >= 0) {
2224 		if (params->ap_isolate)
2225 			sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2226 		else
2227 			sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2228 		ieee80211_check_fast_rx_iface(sdata);
2229 	}
2230 
2231 	if (params->ht_opmode >= 0) {
2232 		sdata->vif.bss_conf.ht_operation_mode =
2233 			(u16) params->ht_opmode;
2234 		changed |= BSS_CHANGED_HT;
2235 	}
2236 
2237 	if (params->p2p_ctwindow >= 0) {
2238 		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2239 					~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2240 		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2241 			params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2242 		changed |= BSS_CHANGED_P2P_PS;
2243 	}
2244 
2245 	if (params->p2p_opp_ps > 0) {
2246 		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2247 					IEEE80211_P2P_OPPPS_ENABLE_BIT;
2248 		changed |= BSS_CHANGED_P2P_PS;
2249 	} else if (params->p2p_opp_ps == 0) {
2250 		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2251 					~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2252 		changed |= BSS_CHANGED_P2P_PS;
2253 	}
2254 
2255 	ieee80211_bss_info_change_notify(sdata, changed);
2256 
2257 	return 0;
2258 }
2259 
2260 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2261 				    struct net_device *dev,
2262 				    struct ieee80211_txq_params *params)
2263 {
2264 	struct ieee80211_local *local = wiphy_priv(wiphy);
2265 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2266 	struct ieee80211_tx_queue_params p;
2267 
2268 	if (!local->ops->conf_tx)
2269 		return -EOPNOTSUPP;
2270 
2271 	if (local->hw.queues < IEEE80211_NUM_ACS)
2272 		return -EOPNOTSUPP;
2273 
2274 	memset(&p, 0, sizeof(p));
2275 	p.aifs = params->aifs;
2276 	p.cw_max = params->cwmax;
2277 	p.cw_min = params->cwmin;
2278 	p.txop = params->txop;
2279 
2280 	/*
2281 	 * Setting tx queue params disables u-apsd because it's only
2282 	 * called in master mode.
2283 	 */
2284 	p.uapsd = false;
2285 
2286 	ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2287 
2288 	sdata->tx_conf[params->ac] = p;
2289 	if (drv_conf_tx(local, sdata, params->ac, &p)) {
2290 		wiphy_debug(local->hw.wiphy,
2291 			    "failed to set TX queue parameters for AC %d\n",
2292 			    params->ac);
2293 		return -EINVAL;
2294 	}
2295 
2296 	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2297 
2298 	return 0;
2299 }
2300 
2301 #ifdef CONFIG_PM
2302 static int ieee80211_suspend(struct wiphy *wiphy,
2303 			     struct cfg80211_wowlan *wowlan)
2304 {
2305 	return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2306 }
2307 
2308 static int ieee80211_resume(struct wiphy *wiphy)
2309 {
2310 	return __ieee80211_resume(wiphy_priv(wiphy));
2311 }
2312 #else
2313 #define ieee80211_suspend NULL
2314 #define ieee80211_resume NULL
2315 #endif
2316 
2317 static int ieee80211_scan(struct wiphy *wiphy,
2318 			  struct cfg80211_scan_request *req)
2319 {
2320 	struct ieee80211_sub_if_data *sdata;
2321 
2322 	sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2323 
2324 	switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2325 	case NL80211_IFTYPE_STATION:
2326 	case NL80211_IFTYPE_ADHOC:
2327 	case NL80211_IFTYPE_MESH_POINT:
2328 	case NL80211_IFTYPE_P2P_CLIENT:
2329 	case NL80211_IFTYPE_P2P_DEVICE:
2330 		break;
2331 	case NL80211_IFTYPE_P2P_GO:
2332 		if (sdata->local->ops->hw_scan)
2333 			break;
2334 		/*
2335 		 * FIXME: implement NoA while scanning in software,
2336 		 * for now fall through to allow scanning only when
2337 		 * beaconing hasn't been configured yet
2338 		 */
2339 		/* fall through */
2340 	case NL80211_IFTYPE_AP:
2341 		/*
2342 		 * If the scan has been forced (and the driver supports
2343 		 * forcing), don't care about being beaconing already.
2344 		 * This will create problems to the attached stations (e.g. all
2345 		 * the  frames sent while scanning on other channel will be
2346 		 * lost)
2347 		 */
2348 		if (sdata->u.ap.beacon &&
2349 		    (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2350 		     !(req->flags & NL80211_SCAN_FLAG_AP)))
2351 			return -EOPNOTSUPP;
2352 		break;
2353 	case NL80211_IFTYPE_NAN:
2354 	default:
2355 		return -EOPNOTSUPP;
2356 	}
2357 
2358 	return ieee80211_request_scan(sdata, req);
2359 }
2360 
2361 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2362 {
2363 	ieee80211_scan_cancel(wiphy_priv(wiphy));
2364 }
2365 
2366 static int
2367 ieee80211_sched_scan_start(struct wiphy *wiphy,
2368 			   struct net_device *dev,
2369 			   struct cfg80211_sched_scan_request *req)
2370 {
2371 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2372 
2373 	if (!sdata->local->ops->sched_scan_start)
2374 		return -EOPNOTSUPP;
2375 
2376 	return ieee80211_request_sched_scan_start(sdata, req);
2377 }
2378 
2379 static int
2380 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2381 			  u64 reqid)
2382 {
2383 	struct ieee80211_local *local = wiphy_priv(wiphy);
2384 
2385 	if (!local->ops->sched_scan_stop)
2386 		return -EOPNOTSUPP;
2387 
2388 	return ieee80211_request_sched_scan_stop(local);
2389 }
2390 
2391 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2392 			  struct cfg80211_auth_request *req)
2393 {
2394 	return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2395 }
2396 
2397 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2398 			   struct cfg80211_assoc_request *req)
2399 {
2400 	return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2401 }
2402 
2403 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2404 			    struct cfg80211_deauth_request *req)
2405 {
2406 	return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2407 }
2408 
2409 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2410 			      struct cfg80211_disassoc_request *req)
2411 {
2412 	return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2413 }
2414 
2415 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2416 			       struct cfg80211_ibss_params *params)
2417 {
2418 	return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2419 }
2420 
2421 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2422 {
2423 	return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2424 }
2425 
2426 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2427 			      struct ocb_setup *setup)
2428 {
2429 	return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2430 }
2431 
2432 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2433 {
2434 	return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2435 }
2436 
2437 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2438 				    int rate[NUM_NL80211_BANDS])
2439 {
2440 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2441 
2442 	memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2443 	       sizeof(int) * NUM_NL80211_BANDS);
2444 
2445 	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2446 
2447 	return 0;
2448 }
2449 
2450 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2451 {
2452 	struct ieee80211_local *local = wiphy_priv(wiphy);
2453 	int err;
2454 
2455 	if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2456 		ieee80211_check_fast_xmit_all(local);
2457 
2458 		err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2459 
2460 		if (err) {
2461 			ieee80211_check_fast_xmit_all(local);
2462 			return err;
2463 		}
2464 	}
2465 
2466 	if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2467 	    (changed & WIPHY_PARAM_DYN_ACK)) {
2468 		s16 coverage_class;
2469 
2470 		coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2471 					wiphy->coverage_class : -1;
2472 		err = drv_set_coverage_class(local, coverage_class);
2473 
2474 		if (err)
2475 			return err;
2476 	}
2477 
2478 	if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2479 		err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2480 
2481 		if (err)
2482 			return err;
2483 	}
2484 
2485 	if (changed & WIPHY_PARAM_RETRY_SHORT) {
2486 		if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2487 			return -EINVAL;
2488 		local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2489 	}
2490 	if (changed & WIPHY_PARAM_RETRY_LONG) {
2491 		if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2492 			return -EINVAL;
2493 		local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2494 	}
2495 	if (changed &
2496 	    (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2497 		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2498 
2499 	if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2500 		       WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2501 		       WIPHY_PARAM_TXQ_QUANTUM))
2502 		ieee80211_txq_set_params(local);
2503 
2504 	return 0;
2505 }
2506 
2507 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2508 				  struct wireless_dev *wdev,
2509 				  enum nl80211_tx_power_setting type, int mbm)
2510 {
2511 	struct ieee80211_local *local = wiphy_priv(wiphy);
2512 	struct ieee80211_sub_if_data *sdata;
2513 	enum nl80211_tx_power_setting txp_type = type;
2514 	bool update_txp_type = false;
2515 	bool has_monitor = false;
2516 
2517 	if (wdev) {
2518 		sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2519 
2520 		if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2521 			sdata = rtnl_dereference(local->monitor_sdata);
2522 			if (!sdata)
2523 				return -EOPNOTSUPP;
2524 		}
2525 
2526 		switch (type) {
2527 		case NL80211_TX_POWER_AUTOMATIC:
2528 			sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2529 			txp_type = NL80211_TX_POWER_LIMITED;
2530 			break;
2531 		case NL80211_TX_POWER_LIMITED:
2532 		case NL80211_TX_POWER_FIXED:
2533 			if (mbm < 0 || (mbm % 100))
2534 				return -EOPNOTSUPP;
2535 			sdata->user_power_level = MBM_TO_DBM(mbm);
2536 			break;
2537 		}
2538 
2539 		if (txp_type != sdata->vif.bss_conf.txpower_type) {
2540 			update_txp_type = true;
2541 			sdata->vif.bss_conf.txpower_type = txp_type;
2542 		}
2543 
2544 		ieee80211_recalc_txpower(sdata, update_txp_type);
2545 
2546 		return 0;
2547 	}
2548 
2549 	switch (type) {
2550 	case NL80211_TX_POWER_AUTOMATIC:
2551 		local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2552 		txp_type = NL80211_TX_POWER_LIMITED;
2553 		break;
2554 	case NL80211_TX_POWER_LIMITED:
2555 	case NL80211_TX_POWER_FIXED:
2556 		if (mbm < 0 || (mbm % 100))
2557 			return -EOPNOTSUPP;
2558 		local->user_power_level = MBM_TO_DBM(mbm);
2559 		break;
2560 	}
2561 
2562 	mutex_lock(&local->iflist_mtx);
2563 	list_for_each_entry(sdata, &local->interfaces, list) {
2564 		if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2565 			has_monitor = true;
2566 			continue;
2567 		}
2568 		sdata->user_power_level = local->user_power_level;
2569 		if (txp_type != sdata->vif.bss_conf.txpower_type)
2570 			update_txp_type = true;
2571 		sdata->vif.bss_conf.txpower_type = txp_type;
2572 	}
2573 	list_for_each_entry(sdata, &local->interfaces, list) {
2574 		if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2575 			continue;
2576 		ieee80211_recalc_txpower(sdata, update_txp_type);
2577 	}
2578 	mutex_unlock(&local->iflist_mtx);
2579 
2580 	if (has_monitor) {
2581 		sdata = rtnl_dereference(local->monitor_sdata);
2582 		if (sdata) {
2583 			sdata->user_power_level = local->user_power_level;
2584 			if (txp_type != sdata->vif.bss_conf.txpower_type)
2585 				update_txp_type = true;
2586 			sdata->vif.bss_conf.txpower_type = txp_type;
2587 
2588 			ieee80211_recalc_txpower(sdata, update_txp_type);
2589 		}
2590 	}
2591 
2592 	return 0;
2593 }
2594 
2595 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2596 				  struct wireless_dev *wdev,
2597 				  int *dbm)
2598 {
2599 	struct ieee80211_local *local = wiphy_priv(wiphy);
2600 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2601 
2602 	if (local->ops->get_txpower)
2603 		return drv_get_txpower(local, sdata, dbm);
2604 
2605 	if (!local->use_chanctx)
2606 		*dbm = local->hw.conf.power_level;
2607 	else
2608 		*dbm = sdata->vif.bss_conf.txpower;
2609 
2610 	return 0;
2611 }
2612 
2613 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2614 				  const u8 *addr)
2615 {
2616 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2617 
2618 	memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2619 
2620 	return 0;
2621 }
2622 
2623 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2624 {
2625 	struct ieee80211_local *local = wiphy_priv(wiphy);
2626 
2627 	drv_rfkill_poll(local);
2628 }
2629 
2630 #ifdef CONFIG_NL80211_TESTMODE
2631 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2632 				  struct wireless_dev *wdev,
2633 				  void *data, int len)
2634 {
2635 	struct ieee80211_local *local = wiphy_priv(wiphy);
2636 	struct ieee80211_vif *vif = NULL;
2637 
2638 	if (!local->ops->testmode_cmd)
2639 		return -EOPNOTSUPP;
2640 
2641 	if (wdev) {
2642 		struct ieee80211_sub_if_data *sdata;
2643 
2644 		sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2645 		if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2646 			vif = &sdata->vif;
2647 	}
2648 
2649 	return local->ops->testmode_cmd(&local->hw, vif, data, len);
2650 }
2651 
2652 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2653 				   struct sk_buff *skb,
2654 				   struct netlink_callback *cb,
2655 				   void *data, int len)
2656 {
2657 	struct ieee80211_local *local = wiphy_priv(wiphy);
2658 
2659 	if (!local->ops->testmode_dump)
2660 		return -EOPNOTSUPP;
2661 
2662 	return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2663 }
2664 #endif
2665 
2666 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2667 				 enum ieee80211_smps_mode smps_mode)
2668 {
2669 	const u8 *ap;
2670 	enum ieee80211_smps_mode old_req;
2671 	int err;
2672 	struct sta_info *sta;
2673 	bool tdls_peer_found = false;
2674 
2675 	lockdep_assert_held(&sdata->wdev.mtx);
2676 
2677 	if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2678 		return -EINVAL;
2679 
2680 	old_req = sdata->u.mgd.req_smps;
2681 	sdata->u.mgd.req_smps = smps_mode;
2682 
2683 	if (old_req == smps_mode &&
2684 	    smps_mode != IEEE80211_SMPS_AUTOMATIC)
2685 		return 0;
2686 
2687 	/*
2688 	 * If not associated, or current association is not an HT
2689 	 * association, there's no need to do anything, just store
2690 	 * the new value until we associate.
2691 	 */
2692 	if (!sdata->u.mgd.associated ||
2693 	    sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2694 		return 0;
2695 
2696 	ap = sdata->u.mgd.associated->bssid;
2697 
2698 	rcu_read_lock();
2699 	list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2700 		if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2701 		    !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2702 			continue;
2703 
2704 		tdls_peer_found = true;
2705 		break;
2706 	}
2707 	rcu_read_unlock();
2708 
2709 	if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2710 		if (tdls_peer_found || !sdata->u.mgd.powersave)
2711 			smps_mode = IEEE80211_SMPS_OFF;
2712 		else
2713 			smps_mode = IEEE80211_SMPS_DYNAMIC;
2714 	}
2715 
2716 	/* send SM PS frame to AP */
2717 	err = ieee80211_send_smps_action(sdata, smps_mode,
2718 					 ap, ap);
2719 	if (err)
2720 		sdata->u.mgd.req_smps = old_req;
2721 	else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2722 		ieee80211_teardown_tdls_peers(sdata);
2723 
2724 	return err;
2725 }
2726 
2727 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2728 				    bool enabled, int timeout)
2729 {
2730 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2731 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2732 
2733 	if (sdata->vif.type != NL80211_IFTYPE_STATION)
2734 		return -EOPNOTSUPP;
2735 
2736 	if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2737 		return -EOPNOTSUPP;
2738 
2739 	if (enabled == sdata->u.mgd.powersave &&
2740 	    timeout == local->dynamic_ps_forced_timeout)
2741 		return 0;
2742 
2743 	sdata->u.mgd.powersave = enabled;
2744 	local->dynamic_ps_forced_timeout = timeout;
2745 
2746 	/* no change, but if automatic follow powersave */
2747 	sdata_lock(sdata);
2748 	__ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2749 	sdata_unlock(sdata);
2750 
2751 	if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2752 		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2753 
2754 	ieee80211_recalc_ps(local);
2755 	ieee80211_recalc_ps_vif(sdata);
2756 	ieee80211_check_fast_rx_iface(sdata);
2757 
2758 	return 0;
2759 }
2760 
2761 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2762 					 struct net_device *dev,
2763 					 s32 rssi_thold, u32 rssi_hyst)
2764 {
2765 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2766 	struct ieee80211_vif *vif = &sdata->vif;
2767 	struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2768 
2769 	if (rssi_thold == bss_conf->cqm_rssi_thold &&
2770 	    rssi_hyst == bss_conf->cqm_rssi_hyst)
2771 		return 0;
2772 
2773 	if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2774 	    !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2775 		return -EOPNOTSUPP;
2776 
2777 	bss_conf->cqm_rssi_thold = rssi_thold;
2778 	bss_conf->cqm_rssi_hyst = rssi_hyst;
2779 	bss_conf->cqm_rssi_low = 0;
2780 	bss_conf->cqm_rssi_high = 0;
2781 	sdata->u.mgd.last_cqm_event_signal = 0;
2782 
2783 	/* tell the driver upon association, unless already associated */
2784 	if (sdata->u.mgd.associated &&
2785 	    sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2786 		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2787 
2788 	return 0;
2789 }
2790 
2791 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2792 					       struct net_device *dev,
2793 					       s32 rssi_low, s32 rssi_high)
2794 {
2795 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2796 	struct ieee80211_vif *vif = &sdata->vif;
2797 	struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2798 
2799 	if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2800 		return -EOPNOTSUPP;
2801 
2802 	bss_conf->cqm_rssi_low = rssi_low;
2803 	bss_conf->cqm_rssi_high = rssi_high;
2804 	bss_conf->cqm_rssi_thold = 0;
2805 	bss_conf->cqm_rssi_hyst = 0;
2806 	sdata->u.mgd.last_cqm_event_signal = 0;
2807 
2808 	/* tell the driver upon association, unless already associated */
2809 	if (sdata->u.mgd.associated &&
2810 	    sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2811 		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2812 
2813 	return 0;
2814 }
2815 
2816 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2817 				      struct net_device *dev,
2818 				      const u8 *addr,
2819 				      const struct cfg80211_bitrate_mask *mask)
2820 {
2821 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2822 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2823 	int i, ret;
2824 
2825 	if (!ieee80211_sdata_running(sdata))
2826 		return -ENETDOWN;
2827 
2828 	/*
2829 	 * If active validate the setting and reject it if it doesn't leave
2830 	 * at least one basic rate usable, since we really have to be able
2831 	 * to send something, and if we're an AP we have to be able to do
2832 	 * so at a basic rate so that all clients can receive it.
2833 	 */
2834 	if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2835 	    sdata->vif.bss_conf.chandef.chan) {
2836 		u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2837 		enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2838 
2839 		if (!(mask->control[band].legacy & basic_rates))
2840 			return -EINVAL;
2841 	}
2842 
2843 	if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2844 		ret = drv_set_bitrate_mask(local, sdata, mask);
2845 		if (ret)
2846 			return ret;
2847 	}
2848 
2849 	for (i = 0; i < NUM_NL80211_BANDS; i++) {
2850 		struct ieee80211_supported_band *sband = wiphy->bands[i];
2851 		int j;
2852 
2853 		sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2854 		memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2855 		       sizeof(mask->control[i].ht_mcs));
2856 		memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2857 		       mask->control[i].vht_mcs,
2858 		       sizeof(mask->control[i].vht_mcs));
2859 
2860 		sdata->rc_has_mcs_mask[i] = false;
2861 		sdata->rc_has_vht_mcs_mask[i] = false;
2862 		if (!sband)
2863 			continue;
2864 
2865 		for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2866 			if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2867 				sdata->rc_has_mcs_mask[i] = true;
2868 				break;
2869 			}
2870 		}
2871 
2872 		for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2873 			if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2874 				sdata->rc_has_vht_mcs_mask[i] = true;
2875 				break;
2876 			}
2877 		}
2878 	}
2879 
2880 	return 0;
2881 }
2882 
2883 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2884 					   struct net_device *dev,
2885 					   struct cfg80211_chan_def *chandef,
2886 					   u32 cac_time_ms)
2887 {
2888 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2889 	struct ieee80211_local *local = sdata->local;
2890 	int err;
2891 
2892 	mutex_lock(&local->mtx);
2893 	if (!list_empty(&local->roc_list) || local->scanning) {
2894 		err = -EBUSY;
2895 		goto out_unlock;
2896 	}
2897 
2898 	/* whatever, but channel contexts should not complain about that one */
2899 	sdata->smps_mode = IEEE80211_SMPS_OFF;
2900 	sdata->needed_rx_chains = local->rx_chains;
2901 
2902 	err = ieee80211_vif_use_channel(sdata, chandef,
2903 					IEEE80211_CHANCTX_SHARED);
2904 	if (err)
2905 		goto out_unlock;
2906 
2907 	ieee80211_queue_delayed_work(&sdata->local->hw,
2908 				     &sdata->dfs_cac_timer_work,
2909 				     msecs_to_jiffies(cac_time_ms));
2910 
2911  out_unlock:
2912 	mutex_unlock(&local->mtx);
2913 	return err;
2914 }
2915 
2916 static void ieee80211_end_cac(struct wiphy *wiphy,
2917 			      struct net_device *dev)
2918 {
2919 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2920 	struct ieee80211_local *local = sdata->local;
2921 
2922 	mutex_lock(&local->mtx);
2923 	list_for_each_entry(sdata, &local->interfaces, list) {
2924 		/* it might be waiting for the local->mtx, but then
2925 		 * by the time it gets it, sdata->wdev.cac_started
2926 		 * will no longer be true
2927 		 */
2928 		cancel_delayed_work(&sdata->dfs_cac_timer_work);
2929 
2930 		if (sdata->wdev.cac_started) {
2931 			ieee80211_vif_release_channel(sdata);
2932 			sdata->wdev.cac_started = false;
2933 		}
2934 	}
2935 	mutex_unlock(&local->mtx);
2936 }
2937 
2938 static struct cfg80211_beacon_data *
2939 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2940 {
2941 	struct cfg80211_beacon_data *new_beacon;
2942 	u8 *pos;
2943 	int len;
2944 
2945 	len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2946 	      beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2947 	      beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
2948 
2949 	new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2950 	if (!new_beacon)
2951 		return NULL;
2952 
2953 	pos = (u8 *)(new_beacon + 1);
2954 	if (beacon->head_len) {
2955 		new_beacon->head_len = beacon->head_len;
2956 		new_beacon->head = pos;
2957 		memcpy(pos, beacon->head, beacon->head_len);
2958 		pos += beacon->head_len;
2959 	}
2960 	if (beacon->tail_len) {
2961 		new_beacon->tail_len = beacon->tail_len;
2962 		new_beacon->tail = pos;
2963 		memcpy(pos, beacon->tail, beacon->tail_len);
2964 		pos += beacon->tail_len;
2965 	}
2966 	if (beacon->beacon_ies_len) {
2967 		new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2968 		new_beacon->beacon_ies = pos;
2969 		memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2970 		pos += beacon->beacon_ies_len;
2971 	}
2972 	if (beacon->proberesp_ies_len) {
2973 		new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2974 		new_beacon->proberesp_ies = pos;
2975 		memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2976 		pos += beacon->proberesp_ies_len;
2977 	}
2978 	if (beacon->assocresp_ies_len) {
2979 		new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2980 		new_beacon->assocresp_ies = pos;
2981 		memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2982 		pos += beacon->assocresp_ies_len;
2983 	}
2984 	if (beacon->probe_resp_len) {
2985 		new_beacon->probe_resp_len = beacon->probe_resp_len;
2986 		new_beacon->probe_resp = pos;
2987 		memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2988 		pos += beacon->probe_resp_len;
2989 	}
2990 
2991 	/* might copy -1, meaning no changes requested */
2992 	new_beacon->ftm_responder = beacon->ftm_responder;
2993 	if (beacon->lci) {
2994 		new_beacon->lci_len = beacon->lci_len;
2995 		new_beacon->lci = pos;
2996 		memcpy(pos, beacon->lci, beacon->lci_len);
2997 		pos += beacon->lci_len;
2998 	}
2999 	if (beacon->civicloc) {
3000 		new_beacon->civicloc_len = beacon->civicloc_len;
3001 		new_beacon->civicloc = pos;
3002 		memcpy(pos, beacon->civicloc, beacon->civicloc_len);
3003 		pos += beacon->civicloc_len;
3004 	}
3005 
3006 	return new_beacon;
3007 }
3008 
3009 void ieee80211_csa_finish(struct ieee80211_vif *vif)
3010 {
3011 	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3012 
3013 	ieee80211_queue_work(&sdata->local->hw,
3014 			     &sdata->csa_finalize_work);
3015 }
3016 EXPORT_SYMBOL(ieee80211_csa_finish);
3017 
3018 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
3019 					  u32 *changed)
3020 {
3021 	int err;
3022 
3023 	switch (sdata->vif.type) {
3024 	case NL80211_IFTYPE_AP:
3025 		err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
3026 					      NULL);
3027 		kfree(sdata->u.ap.next_beacon);
3028 		sdata->u.ap.next_beacon = NULL;
3029 
3030 		if (err < 0)
3031 			return err;
3032 		*changed |= err;
3033 		break;
3034 	case NL80211_IFTYPE_ADHOC:
3035 		err = ieee80211_ibss_finish_csa(sdata);
3036 		if (err < 0)
3037 			return err;
3038 		*changed |= err;
3039 		break;
3040 #ifdef CONFIG_MAC80211_MESH
3041 	case NL80211_IFTYPE_MESH_POINT:
3042 		err = ieee80211_mesh_finish_csa(sdata);
3043 		if (err < 0)
3044 			return err;
3045 		*changed |= err;
3046 		break;
3047 #endif
3048 	default:
3049 		WARN_ON(1);
3050 		return -EINVAL;
3051 	}
3052 
3053 	return 0;
3054 }
3055 
3056 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3057 {
3058 	struct ieee80211_local *local = sdata->local;
3059 	u32 changed = 0;
3060 	int err;
3061 
3062 	sdata_assert_lock(sdata);
3063 	lockdep_assert_held(&local->mtx);
3064 	lockdep_assert_held(&local->chanctx_mtx);
3065 
3066 	/*
3067 	 * using reservation isn't immediate as it may be deferred until later
3068 	 * with multi-vif. once reservation is complete it will re-schedule the
3069 	 * work with no reserved_chanctx so verify chandef to check if it
3070 	 * completed successfully
3071 	 */
3072 
3073 	if (sdata->reserved_chanctx) {
3074 		/*
3075 		 * with multi-vif csa driver may call ieee80211_csa_finish()
3076 		 * many times while waiting for other interfaces to use their
3077 		 * reservations
3078 		 */
3079 		if (sdata->reserved_ready)
3080 			return 0;
3081 
3082 		return ieee80211_vif_use_reserved_context(sdata);
3083 	}
3084 
3085 	if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3086 					&sdata->csa_chandef))
3087 		return -EINVAL;
3088 
3089 	sdata->vif.csa_active = false;
3090 
3091 	err = ieee80211_set_after_csa_beacon(sdata, &changed);
3092 	if (err)
3093 		return err;
3094 
3095 	ieee80211_bss_info_change_notify(sdata, changed);
3096 
3097 	if (sdata->csa_block_tx) {
3098 		ieee80211_wake_vif_queues(local, sdata,
3099 					  IEEE80211_QUEUE_STOP_REASON_CSA);
3100 		sdata->csa_block_tx = false;
3101 	}
3102 
3103 	err = drv_post_channel_switch(sdata);
3104 	if (err)
3105 		return err;
3106 
3107 	cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3108 
3109 	return 0;
3110 }
3111 
3112 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3113 {
3114 	if (__ieee80211_csa_finalize(sdata)) {
3115 		sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3116 		cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3117 				    GFP_KERNEL);
3118 	}
3119 }
3120 
3121 void ieee80211_csa_finalize_work(struct work_struct *work)
3122 {
3123 	struct ieee80211_sub_if_data *sdata =
3124 		container_of(work, struct ieee80211_sub_if_data,
3125 			     csa_finalize_work);
3126 	struct ieee80211_local *local = sdata->local;
3127 
3128 	sdata_lock(sdata);
3129 	mutex_lock(&local->mtx);
3130 	mutex_lock(&local->chanctx_mtx);
3131 
3132 	/* AP might have been stopped while waiting for the lock. */
3133 	if (!sdata->vif.csa_active)
3134 		goto unlock;
3135 
3136 	if (!ieee80211_sdata_running(sdata))
3137 		goto unlock;
3138 
3139 	ieee80211_csa_finalize(sdata);
3140 
3141 unlock:
3142 	mutex_unlock(&local->chanctx_mtx);
3143 	mutex_unlock(&local->mtx);
3144 	sdata_unlock(sdata);
3145 }
3146 
3147 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3148 				    struct cfg80211_csa_settings *params,
3149 				    u32 *changed)
3150 {
3151 	struct ieee80211_csa_settings csa = {};
3152 	int err;
3153 
3154 	switch (sdata->vif.type) {
3155 	case NL80211_IFTYPE_AP:
3156 		sdata->u.ap.next_beacon =
3157 			cfg80211_beacon_dup(&params->beacon_after);
3158 		if (!sdata->u.ap.next_beacon)
3159 			return -ENOMEM;
3160 
3161 		/*
3162 		 * With a count of 0, we don't have to wait for any
3163 		 * TBTT before switching, so complete the CSA
3164 		 * immediately.  In theory, with a count == 1 we
3165 		 * should delay the switch until just before the next
3166 		 * TBTT, but that would complicate things so we switch
3167 		 * immediately too.  If we would delay the switch
3168 		 * until the next TBTT, we would have to set the probe
3169 		 * response here.
3170 		 *
3171 		 * TODO: A channel switch with count <= 1 without
3172 		 * sending a CSA action frame is kind of useless,
3173 		 * because the clients won't know we're changing
3174 		 * channels.  The action frame must be implemented
3175 		 * either here or in the userspace.
3176 		 */
3177 		if (params->count <= 1)
3178 			break;
3179 
3180 		if ((params->n_counter_offsets_beacon >
3181 		     IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3182 		    (params->n_counter_offsets_presp >
3183 		     IEEE80211_MAX_CSA_COUNTERS_NUM))
3184 			return -EINVAL;
3185 
3186 		csa.counter_offsets_beacon = params->counter_offsets_beacon;
3187 		csa.counter_offsets_presp = params->counter_offsets_presp;
3188 		csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3189 		csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3190 		csa.count = params->count;
3191 
3192 		err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
3193 		if (err < 0) {
3194 			kfree(sdata->u.ap.next_beacon);
3195 			return err;
3196 		}
3197 		*changed |= err;
3198 
3199 		break;
3200 	case NL80211_IFTYPE_ADHOC:
3201 		if (!sdata->vif.bss_conf.ibss_joined)
3202 			return -EINVAL;
3203 
3204 		if (params->chandef.width != sdata->u.ibss.chandef.width)
3205 			return -EINVAL;
3206 
3207 		switch (params->chandef.width) {
3208 		case NL80211_CHAN_WIDTH_40:
3209 			if (cfg80211_get_chandef_type(&params->chandef) !=
3210 			    cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3211 				return -EINVAL;
3212 		case NL80211_CHAN_WIDTH_5:
3213 		case NL80211_CHAN_WIDTH_10:
3214 		case NL80211_CHAN_WIDTH_20_NOHT:
3215 		case NL80211_CHAN_WIDTH_20:
3216 			break;
3217 		default:
3218 			return -EINVAL;
3219 		}
3220 
3221 		/* changes into another band are not supported */
3222 		if (sdata->u.ibss.chandef.chan->band !=
3223 		    params->chandef.chan->band)
3224 			return -EINVAL;
3225 
3226 		/* see comments in the NL80211_IFTYPE_AP block */
3227 		if (params->count > 1) {
3228 			err = ieee80211_ibss_csa_beacon(sdata, params);
3229 			if (err < 0)
3230 				return err;
3231 			*changed |= err;
3232 		}
3233 
3234 		ieee80211_send_action_csa(sdata, params);
3235 
3236 		break;
3237 #ifdef CONFIG_MAC80211_MESH
3238 	case NL80211_IFTYPE_MESH_POINT: {
3239 		struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3240 
3241 		if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3242 			return -EINVAL;
3243 
3244 		/* changes into another band are not supported */
3245 		if (sdata->vif.bss_conf.chandef.chan->band !=
3246 		    params->chandef.chan->band)
3247 			return -EINVAL;
3248 
3249 		if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3250 			ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3251 			if (!ifmsh->pre_value)
3252 				ifmsh->pre_value = 1;
3253 			else
3254 				ifmsh->pre_value++;
3255 		}
3256 
3257 		/* see comments in the NL80211_IFTYPE_AP block */
3258 		if (params->count > 1) {
3259 			err = ieee80211_mesh_csa_beacon(sdata, params);
3260 			if (err < 0) {
3261 				ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3262 				return err;
3263 			}
3264 			*changed |= err;
3265 		}
3266 
3267 		if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3268 			ieee80211_send_action_csa(sdata, params);
3269 
3270 		break;
3271 		}
3272 #endif
3273 	default:
3274 		return -EOPNOTSUPP;
3275 	}
3276 
3277 	return 0;
3278 }
3279 
3280 static int
3281 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3282 			   struct cfg80211_csa_settings *params)
3283 {
3284 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3285 	struct ieee80211_local *local = sdata->local;
3286 	struct ieee80211_channel_switch ch_switch;
3287 	struct ieee80211_chanctx_conf *conf;
3288 	struct ieee80211_chanctx *chanctx;
3289 	u32 changed = 0;
3290 	int err;
3291 
3292 	sdata_assert_lock(sdata);
3293 	lockdep_assert_held(&local->mtx);
3294 
3295 	if (!list_empty(&local->roc_list) || local->scanning)
3296 		return -EBUSY;
3297 
3298 	if (sdata->wdev.cac_started)
3299 		return -EBUSY;
3300 
3301 	if (cfg80211_chandef_identical(&params->chandef,
3302 				       &sdata->vif.bss_conf.chandef))
3303 		return -EINVAL;
3304 
3305 	/* don't allow another channel switch if one is already active. */
3306 	if (sdata->vif.csa_active)
3307 		return -EBUSY;
3308 
3309 	mutex_lock(&local->chanctx_mtx);
3310 	conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3311 					 lockdep_is_held(&local->chanctx_mtx));
3312 	if (!conf) {
3313 		err = -EBUSY;
3314 		goto out;
3315 	}
3316 
3317 	if (params->chandef.chan->freq_offset) {
3318 		/* this may work, but is untested */
3319 		err = -EOPNOTSUPP;
3320 		goto out;
3321 	}
3322 
3323 	chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3324 
3325 	ch_switch.timestamp = 0;
3326 	ch_switch.device_timestamp = 0;
3327 	ch_switch.block_tx = params->block_tx;
3328 	ch_switch.chandef = params->chandef;
3329 	ch_switch.count = params->count;
3330 
3331 	err = drv_pre_channel_switch(sdata, &ch_switch);
3332 	if (err)
3333 		goto out;
3334 
3335 	err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3336 					    chanctx->mode,
3337 					    params->radar_required);
3338 	if (err)
3339 		goto out;
3340 
3341 	/* if reservation is invalid then this will fail */
3342 	err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3343 	if (err) {
3344 		ieee80211_vif_unreserve_chanctx(sdata);
3345 		goto out;
3346 	}
3347 
3348 	err = ieee80211_set_csa_beacon(sdata, params, &changed);
3349 	if (err) {
3350 		ieee80211_vif_unreserve_chanctx(sdata);
3351 		goto out;
3352 	}
3353 
3354 	sdata->csa_chandef = params->chandef;
3355 	sdata->csa_block_tx = params->block_tx;
3356 	sdata->vif.csa_active = true;
3357 
3358 	if (sdata->csa_block_tx)
3359 		ieee80211_stop_vif_queues(local, sdata,
3360 					  IEEE80211_QUEUE_STOP_REASON_CSA);
3361 
3362 	cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3363 					  params->count);
3364 
3365 	if (changed) {
3366 		ieee80211_bss_info_change_notify(sdata, changed);
3367 		drv_channel_switch_beacon(sdata, &params->chandef);
3368 	} else {
3369 		/* if the beacon didn't change, we can finalize immediately */
3370 		ieee80211_csa_finalize(sdata);
3371 	}
3372 
3373 out:
3374 	mutex_unlock(&local->chanctx_mtx);
3375 	return err;
3376 }
3377 
3378 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3379 			     struct cfg80211_csa_settings *params)
3380 {
3381 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3382 	struct ieee80211_local *local = sdata->local;
3383 	int err;
3384 
3385 	mutex_lock(&local->mtx);
3386 	err = __ieee80211_channel_switch(wiphy, dev, params);
3387 	mutex_unlock(&local->mtx);
3388 
3389 	return err;
3390 }
3391 
3392 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3393 {
3394 	lockdep_assert_held(&local->mtx);
3395 
3396 	local->roc_cookie_counter++;
3397 
3398 	/* wow, you wrapped 64 bits ... more likely a bug */
3399 	if (WARN_ON(local->roc_cookie_counter == 0))
3400 		local->roc_cookie_counter++;
3401 
3402 	return local->roc_cookie_counter;
3403 }
3404 
3405 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3406 			     u64 *cookie, gfp_t gfp)
3407 {
3408 	unsigned long spin_flags;
3409 	struct sk_buff *ack_skb;
3410 	int id;
3411 
3412 	ack_skb = skb_copy(skb, gfp);
3413 	if (!ack_skb)
3414 		return -ENOMEM;
3415 
3416 	spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3417 	id = idr_alloc(&local->ack_status_frames, ack_skb,
3418 		       1, 0x2000, GFP_ATOMIC);
3419 	spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3420 
3421 	if (id < 0) {
3422 		kfree_skb(ack_skb);
3423 		return -ENOMEM;
3424 	}
3425 
3426 	IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3427 
3428 	*cookie = ieee80211_mgmt_tx_cookie(local);
3429 	IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3430 
3431 	return 0;
3432 }
3433 
3434 static void
3435 ieee80211_update_mgmt_frame_registrations(struct wiphy *wiphy,
3436 					  struct wireless_dev *wdev,
3437 					  struct mgmt_frame_regs *upd)
3438 {
3439 	struct ieee80211_local *local = wiphy_priv(wiphy);
3440 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3441 	u32 preq_mask = BIT(IEEE80211_STYPE_PROBE_REQ >> 4);
3442 	u32 action_mask = BIT(IEEE80211_STYPE_ACTION >> 4);
3443 	bool global_change, intf_change;
3444 
3445 	global_change =
3446 		(local->probe_req_reg != !!(upd->global_stypes & preq_mask)) ||
3447 		(local->rx_mcast_action_reg !=
3448 		 !!(upd->global_mcast_stypes & action_mask));
3449 	local->probe_req_reg = upd->global_stypes & preq_mask;
3450 	local->rx_mcast_action_reg = upd->global_mcast_stypes & action_mask;
3451 
3452 	intf_change = (sdata->vif.probe_req_reg !=
3453 		       !!(upd->interface_stypes & preq_mask)) ||
3454 		(sdata->vif.rx_mcast_action_reg !=
3455 		 !!(upd->interface_mcast_stypes & action_mask));
3456 	sdata->vif.probe_req_reg = upd->interface_stypes & preq_mask;
3457 	sdata->vif.rx_mcast_action_reg =
3458 		upd->interface_mcast_stypes & action_mask;
3459 
3460 	if (!local->open_count)
3461 		return;
3462 
3463 	if (intf_change && ieee80211_sdata_running(sdata))
3464 		drv_config_iface_filter(local, sdata,
3465 					sdata->vif.probe_req_reg ?
3466 						FIF_PROBE_REQ : 0,
3467 					FIF_PROBE_REQ);
3468 
3469 	if (global_change)
3470 		ieee80211_configure_filter(local);
3471 }
3472 
3473 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3474 {
3475 	struct ieee80211_local *local = wiphy_priv(wiphy);
3476 
3477 	if (local->started)
3478 		return -EOPNOTSUPP;
3479 
3480 	return drv_set_antenna(local, tx_ant, rx_ant);
3481 }
3482 
3483 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3484 {
3485 	struct ieee80211_local *local = wiphy_priv(wiphy);
3486 
3487 	return drv_get_antenna(local, tx_ant, rx_ant);
3488 }
3489 
3490 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3491 				    struct net_device *dev,
3492 				    struct cfg80211_gtk_rekey_data *data)
3493 {
3494 	struct ieee80211_local *local = wiphy_priv(wiphy);
3495 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3496 
3497 	if (!local->ops->set_rekey_data)
3498 		return -EOPNOTSUPP;
3499 
3500 	drv_set_rekey_data(local, sdata, data);
3501 
3502 	return 0;
3503 }
3504 
3505 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3506 				  const u8 *peer, u64 *cookie)
3507 {
3508 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3509 	struct ieee80211_local *local = sdata->local;
3510 	struct ieee80211_qos_hdr *nullfunc;
3511 	struct sk_buff *skb;
3512 	int size = sizeof(*nullfunc);
3513 	__le16 fc;
3514 	bool qos;
3515 	struct ieee80211_tx_info *info;
3516 	struct sta_info *sta;
3517 	struct ieee80211_chanctx_conf *chanctx_conf;
3518 	enum nl80211_band band;
3519 	int ret;
3520 
3521 	/* the lock is needed to assign the cookie later */
3522 	mutex_lock(&local->mtx);
3523 
3524 	rcu_read_lock();
3525 	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3526 	if (WARN_ON(!chanctx_conf)) {
3527 		ret = -EINVAL;
3528 		goto unlock;
3529 	}
3530 	band = chanctx_conf->def.chan->band;
3531 	sta = sta_info_get_bss(sdata, peer);
3532 	if (sta) {
3533 		qos = sta->sta.wme;
3534 	} else {
3535 		ret = -ENOLINK;
3536 		goto unlock;
3537 	}
3538 
3539 	if (qos) {
3540 		fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3541 				 IEEE80211_STYPE_QOS_NULLFUNC |
3542 				 IEEE80211_FCTL_FROMDS);
3543 	} else {
3544 		size -= 2;
3545 		fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3546 				 IEEE80211_STYPE_NULLFUNC |
3547 				 IEEE80211_FCTL_FROMDS);
3548 	}
3549 
3550 	skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3551 	if (!skb) {
3552 		ret = -ENOMEM;
3553 		goto unlock;
3554 	}
3555 
3556 	skb->dev = dev;
3557 
3558 	skb_reserve(skb, local->hw.extra_tx_headroom);
3559 
3560 	nullfunc = skb_put(skb, size);
3561 	nullfunc->frame_control = fc;
3562 	nullfunc->duration_id = 0;
3563 	memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3564 	memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3565 	memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3566 	nullfunc->seq_ctrl = 0;
3567 
3568 	info = IEEE80211_SKB_CB(skb);
3569 
3570 	info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3571 		       IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3572 	info->band = band;
3573 
3574 	skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3575 	skb->priority = 7;
3576 	if (qos)
3577 		nullfunc->qos_ctrl = cpu_to_le16(7);
3578 
3579 	ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3580 	if (ret) {
3581 		kfree_skb(skb);
3582 		goto unlock;
3583 	}
3584 
3585 	local_bh_disable();
3586 	ieee80211_xmit(sdata, sta, skb, 0);
3587 	local_bh_enable();
3588 
3589 	ret = 0;
3590 unlock:
3591 	rcu_read_unlock();
3592 	mutex_unlock(&local->mtx);
3593 
3594 	return ret;
3595 }
3596 
3597 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3598 				     struct wireless_dev *wdev,
3599 				     struct cfg80211_chan_def *chandef)
3600 {
3601 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3602 	struct ieee80211_local *local = wiphy_priv(wiphy);
3603 	struct ieee80211_chanctx_conf *chanctx_conf;
3604 	int ret = -ENODATA;
3605 
3606 	rcu_read_lock();
3607 	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3608 	if (chanctx_conf) {
3609 		*chandef = sdata->vif.bss_conf.chandef;
3610 		ret = 0;
3611 	} else if (local->open_count > 0 &&
3612 		   local->open_count == local->monitors &&
3613 		   sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3614 		if (local->use_chanctx)
3615 			*chandef = local->monitor_chandef;
3616 		else
3617 			*chandef = local->_oper_chandef;
3618 		ret = 0;
3619 	}
3620 	rcu_read_unlock();
3621 
3622 	return ret;
3623 }
3624 
3625 #ifdef CONFIG_PM
3626 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3627 {
3628 	drv_set_wakeup(wiphy_priv(wiphy), enabled);
3629 }
3630 #endif
3631 
3632 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3633 				 struct net_device *dev,
3634 				 struct cfg80211_qos_map *qos_map)
3635 {
3636 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3637 	struct mac80211_qos_map *new_qos_map, *old_qos_map;
3638 
3639 	if (qos_map) {
3640 		new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3641 		if (!new_qos_map)
3642 			return -ENOMEM;
3643 		memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3644 	} else {
3645 		/* A NULL qos_map was passed to disable QoS mapping */
3646 		new_qos_map = NULL;
3647 	}
3648 
3649 	old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3650 	rcu_assign_pointer(sdata->qos_map, new_qos_map);
3651 	if (old_qos_map)
3652 		kfree_rcu(old_qos_map, rcu_head);
3653 
3654 	return 0;
3655 }
3656 
3657 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3658 				      struct net_device *dev,
3659 				      struct cfg80211_chan_def *chandef)
3660 {
3661 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3662 	int ret;
3663 	u32 changed = 0;
3664 
3665 	ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3666 	if (ret == 0)
3667 		ieee80211_bss_info_change_notify(sdata, changed);
3668 
3669 	return ret;
3670 }
3671 
3672 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3673 			       u8 tsid, const u8 *peer, u8 up,
3674 			       u16 admitted_time)
3675 {
3676 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3677 	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3678 	int ac = ieee802_1d_to_ac[up];
3679 
3680 	if (sdata->vif.type != NL80211_IFTYPE_STATION)
3681 		return -EOPNOTSUPP;
3682 
3683 	if (!(sdata->wmm_acm & BIT(up)))
3684 		return -EINVAL;
3685 
3686 	if (ifmgd->tx_tspec[ac].admitted_time)
3687 		return -EBUSY;
3688 
3689 	if (admitted_time) {
3690 		ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3691 		ifmgd->tx_tspec[ac].tsid = tsid;
3692 		ifmgd->tx_tspec[ac].up = up;
3693 	}
3694 
3695 	return 0;
3696 }
3697 
3698 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3699 			       u8 tsid, const u8 *peer)
3700 {
3701 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3702 	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3703 	struct ieee80211_local *local = wiphy_priv(wiphy);
3704 	int ac;
3705 
3706 	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3707 		struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3708 
3709 		/* skip unused entries */
3710 		if (!tx_tspec->admitted_time)
3711 			continue;
3712 
3713 		if (tx_tspec->tsid != tsid)
3714 			continue;
3715 
3716 		/* due to this new packets will be reassigned to non-ACM ACs */
3717 		tx_tspec->up = -1;
3718 
3719 		/* Make sure that all packets have been sent to avoid to
3720 		 * restore the QoS params on packets that are still on the
3721 		 * queues.
3722 		 */
3723 		synchronize_net();
3724 		ieee80211_flush_queues(local, sdata, false);
3725 
3726 		/* restore the normal QoS parameters
3727 		 * (unconditionally to avoid races)
3728 		 */
3729 		tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3730 		tx_tspec->downgraded = false;
3731 		ieee80211_sta_handle_tspec_ac_params(sdata);
3732 
3733 		/* finally clear all the data */
3734 		memset(tx_tspec, 0, sizeof(*tx_tspec));
3735 
3736 		return 0;
3737 	}
3738 
3739 	return -ENOENT;
3740 }
3741 
3742 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3743 				   u8 inst_id,
3744 				   enum nl80211_nan_func_term_reason reason,
3745 				   gfp_t gfp)
3746 {
3747 	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3748 	struct cfg80211_nan_func *func;
3749 	u64 cookie;
3750 
3751 	if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3752 		return;
3753 
3754 	spin_lock_bh(&sdata->u.nan.func_lock);
3755 
3756 	func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3757 	if (WARN_ON(!func)) {
3758 		spin_unlock_bh(&sdata->u.nan.func_lock);
3759 		return;
3760 	}
3761 
3762 	cookie = func->cookie;
3763 	idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3764 
3765 	spin_unlock_bh(&sdata->u.nan.func_lock);
3766 
3767 	cfg80211_free_nan_func(func);
3768 
3769 	cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3770 				     reason, cookie, gfp);
3771 }
3772 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3773 
3774 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3775 			      struct cfg80211_nan_match_params *match,
3776 			      gfp_t gfp)
3777 {
3778 	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3779 	struct cfg80211_nan_func *func;
3780 
3781 	if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3782 		return;
3783 
3784 	spin_lock_bh(&sdata->u.nan.func_lock);
3785 
3786 	func = idr_find(&sdata->u.nan.function_inst_ids,  match->inst_id);
3787 	if (WARN_ON(!func)) {
3788 		spin_unlock_bh(&sdata->u.nan.func_lock);
3789 		return;
3790 	}
3791 	match->cookie = func->cookie;
3792 
3793 	spin_unlock_bh(&sdata->u.nan.func_lock);
3794 
3795 	cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3796 }
3797 EXPORT_SYMBOL(ieee80211_nan_func_match);
3798 
3799 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3800 					      struct net_device *dev,
3801 					      const bool enabled)
3802 {
3803 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3804 
3805 	sdata->u.ap.multicast_to_unicast = enabled;
3806 
3807 	return 0;
3808 }
3809 
3810 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3811 			      struct txq_info *txqi)
3812 {
3813 	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3814 		txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3815 		txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3816 	}
3817 
3818 	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3819 		txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3820 		txqstats->backlog_packets = txqi->tin.backlog_packets;
3821 	}
3822 
3823 	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3824 		txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3825 		txqstats->flows = txqi->tin.flows;
3826 	}
3827 
3828 	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3829 		txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3830 		txqstats->drops = txqi->cstats.drop_count;
3831 	}
3832 
3833 	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3834 		txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3835 		txqstats->ecn_marks = txqi->cstats.ecn_mark;
3836 	}
3837 
3838 	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3839 		txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3840 		txqstats->overlimit = txqi->tin.overlimit;
3841 	}
3842 
3843 	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3844 		txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
3845 		txqstats->collisions = txqi->tin.collisions;
3846 	}
3847 
3848 	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
3849 		txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
3850 		txqstats->tx_bytes = txqi->tin.tx_bytes;
3851 	}
3852 
3853 	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
3854 		txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
3855 		txqstats->tx_packets = txqi->tin.tx_packets;
3856 	}
3857 }
3858 
3859 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
3860 				   struct wireless_dev *wdev,
3861 				   struct cfg80211_txq_stats *txqstats)
3862 {
3863 	struct ieee80211_local *local = wiphy_priv(wiphy);
3864 	struct ieee80211_sub_if_data *sdata;
3865 	int ret = 0;
3866 
3867 	if (!local->ops->wake_tx_queue)
3868 		return 1;
3869 
3870 	spin_lock_bh(&local->fq.lock);
3871 	rcu_read_lock();
3872 
3873 	if (wdev) {
3874 		sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3875 		if (!sdata->vif.txq) {
3876 			ret = 1;
3877 			goto out;
3878 		}
3879 		ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
3880 	} else {
3881 		/* phy stats */
3882 		txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
3883 				    BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
3884 				    BIT(NL80211_TXQ_STATS_OVERLIMIT) |
3885 				    BIT(NL80211_TXQ_STATS_OVERMEMORY) |
3886 				    BIT(NL80211_TXQ_STATS_COLLISIONS) |
3887 				    BIT(NL80211_TXQ_STATS_MAX_FLOWS);
3888 		txqstats->backlog_packets = local->fq.backlog;
3889 		txqstats->backlog_bytes = local->fq.memory_usage;
3890 		txqstats->overlimit = local->fq.overlimit;
3891 		txqstats->overmemory = local->fq.overmemory;
3892 		txqstats->collisions = local->fq.collisions;
3893 		txqstats->max_flows = local->fq.flows_cnt;
3894 	}
3895 
3896 out:
3897 	rcu_read_unlock();
3898 	spin_unlock_bh(&local->fq.lock);
3899 
3900 	return ret;
3901 }
3902 
3903 static int
3904 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
3905 				  struct net_device *dev,
3906 				  struct cfg80211_ftm_responder_stats *ftm_stats)
3907 {
3908 	struct ieee80211_local *local = wiphy_priv(wiphy);
3909 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3910 
3911 	return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
3912 }
3913 
3914 static int
3915 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3916 		     struct cfg80211_pmsr_request *request)
3917 {
3918 	struct ieee80211_local *local = wiphy_priv(wiphy);
3919 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3920 
3921 	return drv_start_pmsr(local, sdata, request);
3922 }
3923 
3924 static void
3925 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3926 		     struct cfg80211_pmsr_request *request)
3927 {
3928 	struct ieee80211_local *local = wiphy_priv(wiphy);
3929 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3930 
3931 	return drv_abort_pmsr(local, sdata, request);
3932 }
3933 
3934 static int ieee80211_set_tid_config(struct wiphy *wiphy,
3935 				    struct net_device *dev,
3936 				    struct cfg80211_tid_config *tid_conf)
3937 {
3938 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3939 	struct sta_info *sta;
3940 	int ret;
3941 
3942 	if (!sdata->local->ops->set_tid_config)
3943 		return -EOPNOTSUPP;
3944 
3945 	if (!tid_conf->peer)
3946 		return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf);
3947 
3948 	mutex_lock(&sdata->local->sta_mtx);
3949 	sta = sta_info_get_bss(sdata, tid_conf->peer);
3950 	if (!sta) {
3951 		mutex_unlock(&sdata->local->sta_mtx);
3952 		return -ENOENT;
3953 	}
3954 
3955 	ret = drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf);
3956 	mutex_unlock(&sdata->local->sta_mtx);
3957 
3958 	return ret;
3959 }
3960 
3961 static int ieee80211_reset_tid_config(struct wiphy *wiphy,
3962 				      struct net_device *dev,
3963 				      const u8 *peer, u8 tids)
3964 {
3965 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3966 	struct sta_info *sta;
3967 	int ret;
3968 
3969 	if (!sdata->local->ops->reset_tid_config)
3970 		return -EOPNOTSUPP;
3971 
3972 	if (!peer)
3973 		return drv_reset_tid_config(sdata->local, sdata, NULL, tids);
3974 
3975 	mutex_lock(&sdata->local->sta_mtx);
3976 	sta = sta_info_get_bss(sdata, peer);
3977 	if (!sta) {
3978 		mutex_unlock(&sdata->local->sta_mtx);
3979 		return -ENOENT;
3980 	}
3981 
3982 	ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tids);
3983 	mutex_unlock(&sdata->local->sta_mtx);
3984 
3985 	return ret;
3986 }
3987 
3988 const struct cfg80211_ops mac80211_config_ops = {
3989 	.add_virtual_intf = ieee80211_add_iface,
3990 	.del_virtual_intf = ieee80211_del_iface,
3991 	.change_virtual_intf = ieee80211_change_iface,
3992 	.start_p2p_device = ieee80211_start_p2p_device,
3993 	.stop_p2p_device = ieee80211_stop_p2p_device,
3994 	.add_key = ieee80211_add_key,
3995 	.del_key = ieee80211_del_key,
3996 	.get_key = ieee80211_get_key,
3997 	.set_default_key = ieee80211_config_default_key,
3998 	.set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3999 	.set_default_beacon_key = ieee80211_config_default_beacon_key,
4000 	.start_ap = ieee80211_start_ap,
4001 	.change_beacon = ieee80211_change_beacon,
4002 	.stop_ap = ieee80211_stop_ap,
4003 	.add_station = ieee80211_add_station,
4004 	.del_station = ieee80211_del_station,
4005 	.change_station = ieee80211_change_station,
4006 	.get_station = ieee80211_get_station,
4007 	.dump_station = ieee80211_dump_station,
4008 	.dump_survey = ieee80211_dump_survey,
4009 #ifdef CONFIG_MAC80211_MESH
4010 	.add_mpath = ieee80211_add_mpath,
4011 	.del_mpath = ieee80211_del_mpath,
4012 	.change_mpath = ieee80211_change_mpath,
4013 	.get_mpath = ieee80211_get_mpath,
4014 	.dump_mpath = ieee80211_dump_mpath,
4015 	.get_mpp = ieee80211_get_mpp,
4016 	.dump_mpp = ieee80211_dump_mpp,
4017 	.update_mesh_config = ieee80211_update_mesh_config,
4018 	.get_mesh_config = ieee80211_get_mesh_config,
4019 	.join_mesh = ieee80211_join_mesh,
4020 	.leave_mesh = ieee80211_leave_mesh,
4021 #endif
4022 	.join_ocb = ieee80211_join_ocb,
4023 	.leave_ocb = ieee80211_leave_ocb,
4024 	.change_bss = ieee80211_change_bss,
4025 	.set_txq_params = ieee80211_set_txq_params,
4026 	.set_monitor_channel = ieee80211_set_monitor_channel,
4027 	.suspend = ieee80211_suspend,
4028 	.resume = ieee80211_resume,
4029 	.scan = ieee80211_scan,
4030 	.abort_scan = ieee80211_abort_scan,
4031 	.sched_scan_start = ieee80211_sched_scan_start,
4032 	.sched_scan_stop = ieee80211_sched_scan_stop,
4033 	.auth = ieee80211_auth,
4034 	.assoc = ieee80211_assoc,
4035 	.deauth = ieee80211_deauth,
4036 	.disassoc = ieee80211_disassoc,
4037 	.join_ibss = ieee80211_join_ibss,
4038 	.leave_ibss = ieee80211_leave_ibss,
4039 	.set_mcast_rate = ieee80211_set_mcast_rate,
4040 	.set_wiphy_params = ieee80211_set_wiphy_params,
4041 	.set_tx_power = ieee80211_set_tx_power,
4042 	.get_tx_power = ieee80211_get_tx_power,
4043 	.set_wds_peer = ieee80211_set_wds_peer,
4044 	.rfkill_poll = ieee80211_rfkill_poll,
4045 	CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
4046 	CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
4047 	.set_power_mgmt = ieee80211_set_power_mgmt,
4048 	.set_bitrate_mask = ieee80211_set_bitrate_mask,
4049 	.remain_on_channel = ieee80211_remain_on_channel,
4050 	.cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4051 	.mgmt_tx = ieee80211_mgmt_tx,
4052 	.mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4053 	.set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4054 	.set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4055 	.update_mgmt_frame_registrations =
4056 		ieee80211_update_mgmt_frame_registrations,
4057 	.set_antenna = ieee80211_set_antenna,
4058 	.get_antenna = ieee80211_get_antenna,
4059 	.set_rekey_data = ieee80211_set_rekey_data,
4060 	.tdls_oper = ieee80211_tdls_oper,
4061 	.tdls_mgmt = ieee80211_tdls_mgmt,
4062 	.tdls_channel_switch = ieee80211_tdls_channel_switch,
4063 	.tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
4064 	.probe_client = ieee80211_probe_client,
4065 	.set_noack_map = ieee80211_set_noack_map,
4066 #ifdef CONFIG_PM
4067 	.set_wakeup = ieee80211_set_wakeup,
4068 #endif
4069 	.get_channel = ieee80211_cfg_get_channel,
4070 	.start_radar_detection = ieee80211_start_radar_detection,
4071 	.end_cac = ieee80211_end_cac,
4072 	.channel_switch = ieee80211_channel_switch,
4073 	.set_qos_map = ieee80211_set_qos_map,
4074 	.set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4075 	.add_tx_ts = ieee80211_add_tx_ts,
4076 	.del_tx_ts = ieee80211_del_tx_ts,
4077 	.start_nan = ieee80211_start_nan,
4078 	.stop_nan = ieee80211_stop_nan,
4079 	.nan_change_conf = ieee80211_nan_change_conf,
4080 	.add_nan_func = ieee80211_add_nan_func,
4081 	.del_nan_func = ieee80211_del_nan_func,
4082 	.set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4083 	.tx_control_port = ieee80211_tx_control_port,
4084 	.get_txq_stats = ieee80211_get_txq_stats,
4085 	.get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4086 	.start_pmsr = ieee80211_start_pmsr,
4087 	.abort_pmsr = ieee80211_abort_pmsr,
4088 	.probe_mesh_link = ieee80211_probe_mesh_link,
4089 	.set_tid_config = ieee80211_set_tid_config,
4090 	.reset_tid_config = ieee80211_reset_tid_config,
4091 };
4092