xref: /openbmc/linux/net/mac80211/cfg.c (revision adb57164)
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 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 	err = ieee80211_assign_beacon(sdata, &params->beacon, NULL);
1089 	if (err < 0) {
1090 		ieee80211_vif_release_channel(sdata);
1091 		return err;
1092 	}
1093 	changed |= err;
1094 
1095 	err = drv_start_ap(sdata->local, sdata);
1096 	if (err) {
1097 		old = sdata_dereference(sdata->u.ap.beacon, sdata);
1098 
1099 		if (old)
1100 			kfree_rcu(old, rcu_head);
1101 		RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1102 		ieee80211_vif_release_channel(sdata);
1103 		return err;
1104 	}
1105 
1106 	ieee80211_recalc_dtim(local, sdata);
1107 	ieee80211_bss_info_change_notify(sdata, changed);
1108 
1109 	netif_carrier_on(dev);
1110 	list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1111 		netif_carrier_on(vlan->dev);
1112 
1113 	return 0;
1114 }
1115 
1116 static int ieee80211_change_beacon(struct wiphy *wiphy, struct net_device *dev,
1117 				   struct cfg80211_beacon_data *params)
1118 {
1119 	struct ieee80211_sub_if_data *sdata;
1120 	struct beacon_data *old;
1121 	int err;
1122 
1123 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1124 	sdata_assert_lock(sdata);
1125 
1126 	/* don't allow changing the beacon while CSA is in place - offset
1127 	 * of channel switch counter may change
1128 	 */
1129 	if (sdata->vif.csa_active)
1130 		return -EBUSY;
1131 
1132 	old = sdata_dereference(sdata->u.ap.beacon, sdata);
1133 	if (!old)
1134 		return -ENOENT;
1135 
1136 	err = ieee80211_assign_beacon(sdata, params, NULL);
1137 	if (err < 0)
1138 		return err;
1139 	ieee80211_bss_info_change_notify(sdata, err);
1140 	return 0;
1141 }
1142 
1143 static int ieee80211_stop_ap(struct wiphy *wiphy, struct net_device *dev)
1144 {
1145 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1146 	struct ieee80211_sub_if_data *vlan;
1147 	struct ieee80211_local *local = sdata->local;
1148 	struct beacon_data *old_beacon;
1149 	struct probe_resp *old_probe_resp;
1150 	struct cfg80211_chan_def chandef;
1151 
1152 	sdata_assert_lock(sdata);
1153 
1154 	old_beacon = sdata_dereference(sdata->u.ap.beacon, sdata);
1155 	if (!old_beacon)
1156 		return -ENOENT;
1157 	old_probe_resp = sdata_dereference(sdata->u.ap.probe_resp, sdata);
1158 
1159 	/* abort any running channel switch */
1160 	mutex_lock(&local->mtx);
1161 	sdata->vif.csa_active = false;
1162 	if (sdata->csa_block_tx) {
1163 		ieee80211_wake_vif_queues(local, sdata,
1164 					  IEEE80211_QUEUE_STOP_REASON_CSA);
1165 		sdata->csa_block_tx = false;
1166 	}
1167 
1168 	mutex_unlock(&local->mtx);
1169 
1170 	kfree(sdata->u.ap.next_beacon);
1171 	sdata->u.ap.next_beacon = NULL;
1172 
1173 	/* turn off carrier for this interface and dependent VLANs */
1174 	list_for_each_entry(vlan, &sdata->u.ap.vlans, u.vlan.list)
1175 		netif_carrier_off(vlan->dev);
1176 	netif_carrier_off(dev);
1177 
1178 	/* remove beacon and probe response */
1179 	RCU_INIT_POINTER(sdata->u.ap.beacon, NULL);
1180 	RCU_INIT_POINTER(sdata->u.ap.probe_resp, NULL);
1181 	kfree_rcu(old_beacon, rcu_head);
1182 	if (old_probe_resp)
1183 		kfree_rcu(old_probe_resp, rcu_head);
1184 
1185 	kfree(sdata->vif.bss_conf.ftmr_params);
1186 	sdata->vif.bss_conf.ftmr_params = NULL;
1187 
1188 	__sta_info_flush(sdata, true);
1189 	ieee80211_free_keys(sdata, true);
1190 
1191 	sdata->vif.bss_conf.enable_beacon = false;
1192 	sdata->vif.bss_conf.ssid_len = 0;
1193 	clear_bit(SDATA_STATE_OFFCHANNEL_BEACON_STOPPED, &sdata->state);
1194 	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_BEACON_ENABLED);
1195 
1196 	if (sdata->wdev.cac_started) {
1197 		chandef = sdata->vif.bss_conf.chandef;
1198 		cancel_delayed_work_sync(&sdata->dfs_cac_timer_work);
1199 		cfg80211_cac_event(sdata->dev, &chandef,
1200 				   NL80211_RADAR_CAC_ABORTED,
1201 				   GFP_KERNEL);
1202 	}
1203 
1204 	drv_stop_ap(sdata->local, sdata);
1205 
1206 	/* free all potentially still buffered bcast frames */
1207 	local->total_ps_buffered -= skb_queue_len(&sdata->u.ap.ps.bc_buf);
1208 	ieee80211_purge_tx_queue(&local->hw, &sdata->u.ap.ps.bc_buf);
1209 
1210 	mutex_lock(&local->mtx);
1211 	ieee80211_vif_copy_chanctx_to_vlans(sdata, true);
1212 	ieee80211_vif_release_channel(sdata);
1213 	mutex_unlock(&local->mtx);
1214 
1215 	return 0;
1216 }
1217 
1218 static int sta_apply_auth_flags(struct ieee80211_local *local,
1219 				struct sta_info *sta,
1220 				u32 mask, u32 set)
1221 {
1222 	int ret;
1223 
1224 	if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1225 	    set & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1226 	    !test_sta_flag(sta, WLAN_STA_AUTH)) {
1227 		ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1228 		if (ret)
1229 			return ret;
1230 	}
1231 
1232 	if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1233 	    set & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1234 	    !test_sta_flag(sta, WLAN_STA_ASSOC)) {
1235 		/*
1236 		 * When peer becomes associated, init rate control as
1237 		 * well. Some drivers require rate control initialized
1238 		 * before drv_sta_state() is called.
1239 		 */
1240 		if (!test_sta_flag(sta, WLAN_STA_RATE_CONTROL))
1241 			rate_control_rate_init(sta);
1242 
1243 		ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1244 		if (ret)
1245 			return ret;
1246 	}
1247 
1248 	if (mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1249 		if (set & BIT(NL80211_STA_FLAG_AUTHORIZED))
1250 			ret = sta_info_move_state(sta, IEEE80211_STA_AUTHORIZED);
1251 		else if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1252 			ret = sta_info_move_state(sta, IEEE80211_STA_ASSOC);
1253 		else
1254 			ret = 0;
1255 		if (ret)
1256 			return ret;
1257 	}
1258 
1259 	if (mask & BIT(NL80211_STA_FLAG_ASSOCIATED) &&
1260 	    !(set & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1261 	    test_sta_flag(sta, WLAN_STA_ASSOC)) {
1262 		ret = sta_info_move_state(sta, IEEE80211_STA_AUTH);
1263 		if (ret)
1264 			return ret;
1265 	}
1266 
1267 	if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED) &&
1268 	    !(set & BIT(NL80211_STA_FLAG_AUTHENTICATED)) &&
1269 	    test_sta_flag(sta, WLAN_STA_AUTH)) {
1270 		ret = sta_info_move_state(sta, IEEE80211_STA_NONE);
1271 		if (ret)
1272 			return ret;
1273 	}
1274 
1275 	return 0;
1276 }
1277 
1278 static void sta_apply_mesh_params(struct ieee80211_local *local,
1279 				  struct sta_info *sta,
1280 				  struct station_parameters *params)
1281 {
1282 #ifdef CONFIG_MAC80211_MESH
1283 	struct ieee80211_sub_if_data *sdata = sta->sdata;
1284 	u32 changed = 0;
1285 
1286 	if (params->sta_modify_mask & STATION_PARAM_APPLY_PLINK_STATE) {
1287 		switch (params->plink_state) {
1288 		case NL80211_PLINK_ESTAB:
1289 			if (sta->mesh->plink_state != NL80211_PLINK_ESTAB)
1290 				changed = mesh_plink_inc_estab_count(sdata);
1291 			sta->mesh->plink_state = params->plink_state;
1292 			sta->mesh->aid = params->peer_aid;
1293 
1294 			ieee80211_mps_sta_status_update(sta);
1295 			changed |= ieee80211_mps_set_sta_local_pm(sta,
1296 				      sdata->u.mesh.mshcfg.power_mode);
1297 
1298 			ewma_mesh_tx_rate_avg_init(&sta->mesh->tx_rate_avg);
1299 			/* init at low value */
1300 			ewma_mesh_tx_rate_avg_add(&sta->mesh->tx_rate_avg, 10);
1301 
1302 			break;
1303 		case NL80211_PLINK_LISTEN:
1304 		case NL80211_PLINK_BLOCKED:
1305 		case NL80211_PLINK_OPN_SNT:
1306 		case NL80211_PLINK_OPN_RCVD:
1307 		case NL80211_PLINK_CNF_RCVD:
1308 		case NL80211_PLINK_HOLDING:
1309 			if (sta->mesh->plink_state == NL80211_PLINK_ESTAB)
1310 				changed = mesh_plink_dec_estab_count(sdata);
1311 			sta->mesh->plink_state = params->plink_state;
1312 
1313 			ieee80211_mps_sta_status_update(sta);
1314 			changed |= ieee80211_mps_set_sta_local_pm(sta,
1315 					NL80211_MESH_POWER_UNKNOWN);
1316 			break;
1317 		default:
1318 			/*  nothing  */
1319 			break;
1320 		}
1321 	}
1322 
1323 	switch (params->plink_action) {
1324 	case NL80211_PLINK_ACTION_NO_ACTION:
1325 		/* nothing */
1326 		break;
1327 	case NL80211_PLINK_ACTION_OPEN:
1328 		changed |= mesh_plink_open(sta);
1329 		break;
1330 	case NL80211_PLINK_ACTION_BLOCK:
1331 		changed |= mesh_plink_block(sta);
1332 		break;
1333 	}
1334 
1335 	if (params->local_pm)
1336 		changed |= ieee80211_mps_set_sta_local_pm(sta,
1337 							  params->local_pm);
1338 
1339 	ieee80211_mbss_info_change_notify(sdata, changed);
1340 #endif
1341 }
1342 
1343 static int sta_apply_parameters(struct ieee80211_local *local,
1344 				struct sta_info *sta,
1345 				struct station_parameters *params)
1346 {
1347 	int ret = 0;
1348 	struct ieee80211_supported_band *sband;
1349 	struct ieee80211_sub_if_data *sdata = sta->sdata;
1350 	u32 mask, set;
1351 
1352 	sband = ieee80211_get_sband(sdata);
1353 	if (!sband)
1354 		return -EINVAL;
1355 
1356 	mask = params->sta_flags_mask;
1357 	set = params->sta_flags_set;
1358 
1359 	if (ieee80211_vif_is_mesh(&sdata->vif)) {
1360 		/*
1361 		 * In mesh mode, ASSOCIATED isn't part of the nl80211
1362 		 * API but must follow AUTHENTICATED for driver state.
1363 		 */
1364 		if (mask & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1365 			mask |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1366 		if (set & BIT(NL80211_STA_FLAG_AUTHENTICATED))
1367 			set |= BIT(NL80211_STA_FLAG_ASSOCIATED);
1368 	} else if (test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1369 		/*
1370 		 * TDLS -- everything follows authorized, but
1371 		 * only becoming authorized is possible, not
1372 		 * going back
1373 		 */
1374 		if (set & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1375 			set |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1376 			       BIT(NL80211_STA_FLAG_ASSOCIATED);
1377 			mask |= BIT(NL80211_STA_FLAG_AUTHENTICATED) |
1378 				BIT(NL80211_STA_FLAG_ASSOCIATED);
1379 		}
1380 	}
1381 
1382 	if (mask & BIT(NL80211_STA_FLAG_WME) &&
1383 	    local->hw.queues >= IEEE80211_NUM_ACS)
1384 		sta->sta.wme = set & BIT(NL80211_STA_FLAG_WME);
1385 
1386 	/* auth flags will be set later for TDLS,
1387 	 * and for unassociated stations that move to assocaited */
1388 	if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1389 	    !((mask & BIT(NL80211_STA_FLAG_ASSOCIATED)) &&
1390 	      (set & BIT(NL80211_STA_FLAG_ASSOCIATED)))) {
1391 		ret = sta_apply_auth_flags(local, sta, mask, set);
1392 		if (ret)
1393 			return ret;
1394 	}
1395 
1396 	if (mask & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE)) {
1397 		if (set & BIT(NL80211_STA_FLAG_SHORT_PREAMBLE))
1398 			set_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1399 		else
1400 			clear_sta_flag(sta, WLAN_STA_SHORT_PREAMBLE);
1401 	}
1402 
1403 	if (mask & BIT(NL80211_STA_FLAG_MFP)) {
1404 		sta->sta.mfp = !!(set & BIT(NL80211_STA_FLAG_MFP));
1405 		if (set & BIT(NL80211_STA_FLAG_MFP))
1406 			set_sta_flag(sta, WLAN_STA_MFP);
1407 		else
1408 			clear_sta_flag(sta, WLAN_STA_MFP);
1409 	}
1410 
1411 	if (mask & BIT(NL80211_STA_FLAG_TDLS_PEER)) {
1412 		if (set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1413 			set_sta_flag(sta, WLAN_STA_TDLS_PEER);
1414 		else
1415 			clear_sta_flag(sta, WLAN_STA_TDLS_PEER);
1416 	}
1417 
1418 	/* mark TDLS channel switch support, if the AP allows it */
1419 	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1420 	    !sdata->u.mgd.tdls_chan_switch_prohibited &&
1421 	    params->ext_capab_len >= 4 &&
1422 	    params->ext_capab[3] & WLAN_EXT_CAPA4_TDLS_CHAN_SWITCH)
1423 		set_sta_flag(sta, WLAN_STA_TDLS_CHAN_SWITCH);
1424 
1425 	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1426 	    !sdata->u.mgd.tdls_wider_bw_prohibited &&
1427 	    ieee80211_hw_check(&local->hw, TDLS_WIDER_BW) &&
1428 	    params->ext_capab_len >= 8 &&
1429 	    params->ext_capab[7] & WLAN_EXT_CAPA8_TDLS_WIDE_BW_ENABLED)
1430 		set_sta_flag(sta, WLAN_STA_TDLS_WIDER_BW);
1431 
1432 	if (params->sta_modify_mask & STATION_PARAM_APPLY_UAPSD) {
1433 		sta->sta.uapsd_queues = params->uapsd_queues;
1434 		sta->sta.max_sp = params->max_sp;
1435 	}
1436 
1437 	/* The sender might not have sent the last bit, consider it to be 0 */
1438 	if (params->ext_capab_len >= 8) {
1439 		u8 val = (params->ext_capab[7] &
1440 			  WLAN_EXT_CAPA8_MAX_MSDU_IN_AMSDU_LSB) >> 7;
1441 
1442 		/* we did get all the bits, take the MSB as well */
1443 		if (params->ext_capab_len >= 9) {
1444 			u8 val_msb = params->ext_capab[8] &
1445 				WLAN_EXT_CAPA9_MAX_MSDU_IN_AMSDU_MSB;
1446 			val_msb <<= 1;
1447 			val |= val_msb;
1448 		}
1449 
1450 		switch (val) {
1451 		case 1:
1452 			sta->sta.max_amsdu_subframes = 32;
1453 			break;
1454 		case 2:
1455 			sta->sta.max_amsdu_subframes = 16;
1456 			break;
1457 		case 3:
1458 			sta->sta.max_amsdu_subframes = 8;
1459 			break;
1460 		default:
1461 			sta->sta.max_amsdu_subframes = 0;
1462 		}
1463 	}
1464 
1465 	/*
1466 	 * cfg80211 validates this (1-2007) and allows setting the AID
1467 	 * only when creating a new station entry
1468 	 */
1469 	if (params->aid)
1470 		sta->sta.aid = params->aid;
1471 
1472 	/*
1473 	 * Some of the following updates would be racy if called on an
1474 	 * existing station, via ieee80211_change_station(). However,
1475 	 * all such changes are rejected by cfg80211 except for updates
1476 	 * changing the supported rates on an existing but not yet used
1477 	 * TDLS peer.
1478 	 */
1479 
1480 	if (params->listen_interval >= 0)
1481 		sta->listen_interval = params->listen_interval;
1482 
1483 	if (params->sta_modify_mask & STATION_PARAM_APPLY_STA_TXPOWER) {
1484 		sta->sta.txpwr.type = params->txpwr.type;
1485 		if (params->txpwr.type == NL80211_TX_POWER_LIMITED)
1486 			sta->sta.txpwr.power = params->txpwr.power;
1487 		ret = drv_sta_set_txpwr(local, sdata, sta);
1488 		if (ret)
1489 			return ret;
1490 	}
1491 
1492 	if (params->supported_rates && params->supported_rates_len) {
1493 		ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
1494 					 sband, params->supported_rates,
1495 					 params->supported_rates_len,
1496 					 &sta->sta.supp_rates[sband->band]);
1497 	}
1498 
1499 	if (params->ht_capa)
1500 		ieee80211_ht_cap_ie_to_sta_ht_cap(sdata, sband,
1501 						  params->ht_capa, sta);
1502 
1503 	/* VHT can override some HT caps such as the A-MSDU max length */
1504 	if (params->vht_capa)
1505 		ieee80211_vht_cap_ie_to_sta_vht_cap(sdata, sband,
1506 						    params->vht_capa, sta);
1507 
1508 	if (params->he_capa)
1509 		ieee80211_he_cap_ie_to_sta_he_cap(sdata, sband,
1510 						  (void *)params->he_capa,
1511 						  params->he_capa_len, sta);
1512 
1513 	if (params->opmode_notif_used) {
1514 		/* returned value is only needed for rc update, but the
1515 		 * rc isn't initialized here yet, so ignore it
1516 		 */
1517 		__ieee80211_vht_handle_opmode(sdata, sta, params->opmode_notif,
1518 					      sband->band);
1519 	}
1520 
1521 	if (params->support_p2p_ps >= 0)
1522 		sta->sta.support_p2p_ps = params->support_p2p_ps;
1523 
1524 	if (ieee80211_vif_is_mesh(&sdata->vif))
1525 		sta_apply_mesh_params(local, sta, params);
1526 
1527 	if (params->airtime_weight)
1528 		sta->airtime_weight = params->airtime_weight;
1529 
1530 	/* set the STA state after all sta info from usermode has been set */
1531 	if (test_sta_flag(sta, WLAN_STA_TDLS_PEER) ||
1532 	    set & BIT(NL80211_STA_FLAG_ASSOCIATED)) {
1533 		ret = sta_apply_auth_flags(local, sta, mask, set);
1534 		if (ret)
1535 			return ret;
1536 	}
1537 
1538 	return 0;
1539 }
1540 
1541 static int ieee80211_add_station(struct wiphy *wiphy, struct net_device *dev,
1542 				 const u8 *mac,
1543 				 struct station_parameters *params)
1544 {
1545 	struct ieee80211_local *local = wiphy_priv(wiphy);
1546 	struct sta_info *sta;
1547 	struct ieee80211_sub_if_data *sdata;
1548 	int err;
1549 
1550 	if (params->vlan) {
1551 		sdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1552 
1553 		if (sdata->vif.type != NL80211_IFTYPE_AP_VLAN &&
1554 		    sdata->vif.type != NL80211_IFTYPE_AP)
1555 			return -EINVAL;
1556 	} else
1557 		sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1558 
1559 	if (ether_addr_equal(mac, sdata->vif.addr))
1560 		return -EINVAL;
1561 
1562 	if (!is_valid_ether_addr(mac))
1563 		return -EINVAL;
1564 
1565 	if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER) &&
1566 	    sdata->vif.type == NL80211_IFTYPE_STATION &&
1567 	    !sdata->u.mgd.associated)
1568 		return -EINVAL;
1569 
1570 	sta = sta_info_alloc(sdata, mac, GFP_KERNEL);
1571 	if (!sta)
1572 		return -ENOMEM;
1573 
1574 	if (params->sta_flags_set & BIT(NL80211_STA_FLAG_TDLS_PEER))
1575 		sta->sta.tdls = true;
1576 
1577 	err = sta_apply_parameters(local, sta, params);
1578 	if (err) {
1579 		sta_info_free(local, sta);
1580 		return err;
1581 	}
1582 
1583 	/*
1584 	 * for TDLS and for unassociated station, rate control should be
1585 	 * initialized only when rates are known and station is marked
1586 	 * authorized/associated
1587 	 */
1588 	if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER) &&
1589 	    test_sta_flag(sta, WLAN_STA_ASSOC))
1590 		rate_control_rate_init(sta);
1591 
1592 	err = sta_info_insert_rcu(sta);
1593 	if (err) {
1594 		rcu_read_unlock();
1595 		return err;
1596 	}
1597 
1598 	rcu_read_unlock();
1599 
1600 	return 0;
1601 }
1602 
1603 static int ieee80211_del_station(struct wiphy *wiphy, struct net_device *dev,
1604 				 struct station_del_parameters *params)
1605 {
1606 	struct ieee80211_sub_if_data *sdata;
1607 
1608 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1609 
1610 	if (params->mac)
1611 		return sta_info_destroy_addr_bss(sdata, params->mac);
1612 
1613 	sta_info_flush(sdata);
1614 	return 0;
1615 }
1616 
1617 static int ieee80211_change_station(struct wiphy *wiphy,
1618 				    struct net_device *dev, const u8 *mac,
1619 				    struct station_parameters *params)
1620 {
1621 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1622 	struct ieee80211_local *local = wiphy_priv(wiphy);
1623 	struct sta_info *sta;
1624 	struct ieee80211_sub_if_data *vlansdata;
1625 	enum cfg80211_station_type statype;
1626 	int err;
1627 
1628 	mutex_lock(&local->sta_mtx);
1629 
1630 	sta = sta_info_get_bss(sdata, mac);
1631 	if (!sta) {
1632 		err = -ENOENT;
1633 		goto out_err;
1634 	}
1635 
1636 	switch (sdata->vif.type) {
1637 	case NL80211_IFTYPE_MESH_POINT:
1638 		if (sdata->u.mesh.user_mpm)
1639 			statype = CFG80211_STA_MESH_PEER_USER;
1640 		else
1641 			statype = CFG80211_STA_MESH_PEER_KERNEL;
1642 		break;
1643 	case NL80211_IFTYPE_ADHOC:
1644 		statype = CFG80211_STA_IBSS;
1645 		break;
1646 	case NL80211_IFTYPE_STATION:
1647 		if (!test_sta_flag(sta, WLAN_STA_TDLS_PEER)) {
1648 			statype = CFG80211_STA_AP_STA;
1649 			break;
1650 		}
1651 		if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1652 			statype = CFG80211_STA_TDLS_PEER_ACTIVE;
1653 		else
1654 			statype = CFG80211_STA_TDLS_PEER_SETUP;
1655 		break;
1656 	case NL80211_IFTYPE_AP:
1657 	case NL80211_IFTYPE_AP_VLAN:
1658 		if (test_sta_flag(sta, WLAN_STA_ASSOC))
1659 			statype = CFG80211_STA_AP_CLIENT;
1660 		else
1661 			statype = CFG80211_STA_AP_CLIENT_UNASSOC;
1662 		break;
1663 	default:
1664 		err = -EOPNOTSUPP;
1665 		goto out_err;
1666 	}
1667 
1668 	err = cfg80211_check_station_change(wiphy, params, statype);
1669 	if (err)
1670 		goto out_err;
1671 
1672 	if (params->vlan && params->vlan != sta->sdata->dev) {
1673 		vlansdata = IEEE80211_DEV_TO_SUB_IF(params->vlan);
1674 
1675 		if (params->vlan->ieee80211_ptr->use_4addr) {
1676 			if (vlansdata->u.vlan.sta) {
1677 				err = -EBUSY;
1678 				goto out_err;
1679 			}
1680 
1681 			rcu_assign_pointer(vlansdata->u.vlan.sta, sta);
1682 			__ieee80211_check_fast_rx_iface(vlansdata);
1683 		}
1684 
1685 		if (sta->sdata->vif.type == NL80211_IFTYPE_AP_VLAN &&
1686 		    sta->sdata->u.vlan.sta)
1687 			RCU_INIT_POINTER(sta->sdata->u.vlan.sta, NULL);
1688 
1689 		if (test_sta_flag(sta, WLAN_STA_AUTHORIZED))
1690 			ieee80211_vif_dec_num_mcast(sta->sdata);
1691 
1692 		sta->sdata = vlansdata;
1693 		ieee80211_check_fast_xmit(sta);
1694 
1695 		if (test_sta_flag(sta, WLAN_STA_AUTHORIZED)) {
1696 			ieee80211_vif_inc_num_mcast(sta->sdata);
1697 			cfg80211_send_layer2_update(sta->sdata->dev,
1698 						    sta->sta.addr);
1699 		}
1700 	}
1701 
1702 	err = sta_apply_parameters(local, sta, params);
1703 	if (err)
1704 		goto out_err;
1705 
1706 	mutex_unlock(&local->sta_mtx);
1707 
1708 	if (sdata->vif.type == NL80211_IFTYPE_STATION &&
1709 	    params->sta_flags_mask & BIT(NL80211_STA_FLAG_AUTHORIZED)) {
1710 		ieee80211_recalc_ps(local);
1711 		ieee80211_recalc_ps_vif(sdata);
1712 	}
1713 
1714 	return 0;
1715 out_err:
1716 	mutex_unlock(&local->sta_mtx);
1717 	return err;
1718 }
1719 
1720 #ifdef CONFIG_MAC80211_MESH
1721 static int ieee80211_add_mpath(struct wiphy *wiphy, struct net_device *dev,
1722 			       const u8 *dst, const u8 *next_hop)
1723 {
1724 	struct ieee80211_sub_if_data *sdata;
1725 	struct mesh_path *mpath;
1726 	struct sta_info *sta;
1727 
1728 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1729 
1730 	rcu_read_lock();
1731 	sta = sta_info_get(sdata, next_hop);
1732 	if (!sta) {
1733 		rcu_read_unlock();
1734 		return -ENOENT;
1735 	}
1736 
1737 	mpath = mesh_path_add(sdata, dst);
1738 	if (IS_ERR(mpath)) {
1739 		rcu_read_unlock();
1740 		return PTR_ERR(mpath);
1741 	}
1742 
1743 	mesh_path_fix_nexthop(mpath, sta);
1744 
1745 	rcu_read_unlock();
1746 	return 0;
1747 }
1748 
1749 static int ieee80211_del_mpath(struct wiphy *wiphy, struct net_device *dev,
1750 			       const u8 *dst)
1751 {
1752 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1753 
1754 	if (dst)
1755 		return mesh_path_del(sdata, dst);
1756 
1757 	mesh_path_flush_by_iface(sdata);
1758 	return 0;
1759 }
1760 
1761 static int ieee80211_change_mpath(struct wiphy *wiphy, struct net_device *dev,
1762 				  const u8 *dst, const u8 *next_hop)
1763 {
1764 	struct ieee80211_sub_if_data *sdata;
1765 	struct mesh_path *mpath;
1766 	struct sta_info *sta;
1767 
1768 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1769 
1770 	rcu_read_lock();
1771 
1772 	sta = sta_info_get(sdata, next_hop);
1773 	if (!sta) {
1774 		rcu_read_unlock();
1775 		return -ENOENT;
1776 	}
1777 
1778 	mpath = mesh_path_lookup(sdata, dst);
1779 	if (!mpath) {
1780 		rcu_read_unlock();
1781 		return -ENOENT;
1782 	}
1783 
1784 	mesh_path_fix_nexthop(mpath, sta);
1785 
1786 	rcu_read_unlock();
1787 	return 0;
1788 }
1789 
1790 static void mpath_set_pinfo(struct mesh_path *mpath, u8 *next_hop,
1791 			    struct mpath_info *pinfo)
1792 {
1793 	struct sta_info *next_hop_sta = rcu_dereference(mpath->next_hop);
1794 
1795 	if (next_hop_sta)
1796 		memcpy(next_hop, next_hop_sta->sta.addr, ETH_ALEN);
1797 	else
1798 		eth_zero_addr(next_hop);
1799 
1800 	memset(pinfo, 0, sizeof(*pinfo));
1801 
1802 	pinfo->generation = mpath->sdata->u.mesh.mesh_paths_generation;
1803 
1804 	pinfo->filled = MPATH_INFO_FRAME_QLEN |
1805 			MPATH_INFO_SN |
1806 			MPATH_INFO_METRIC |
1807 			MPATH_INFO_EXPTIME |
1808 			MPATH_INFO_DISCOVERY_TIMEOUT |
1809 			MPATH_INFO_DISCOVERY_RETRIES |
1810 			MPATH_INFO_FLAGS |
1811 			MPATH_INFO_HOP_COUNT |
1812 			MPATH_INFO_PATH_CHANGE;
1813 
1814 	pinfo->frame_qlen = mpath->frame_queue.qlen;
1815 	pinfo->sn = mpath->sn;
1816 	pinfo->metric = mpath->metric;
1817 	if (time_before(jiffies, mpath->exp_time))
1818 		pinfo->exptime = jiffies_to_msecs(mpath->exp_time - jiffies);
1819 	pinfo->discovery_timeout =
1820 			jiffies_to_msecs(mpath->discovery_timeout);
1821 	pinfo->discovery_retries = mpath->discovery_retries;
1822 	if (mpath->flags & MESH_PATH_ACTIVE)
1823 		pinfo->flags |= NL80211_MPATH_FLAG_ACTIVE;
1824 	if (mpath->flags & MESH_PATH_RESOLVING)
1825 		pinfo->flags |= NL80211_MPATH_FLAG_RESOLVING;
1826 	if (mpath->flags & MESH_PATH_SN_VALID)
1827 		pinfo->flags |= NL80211_MPATH_FLAG_SN_VALID;
1828 	if (mpath->flags & MESH_PATH_FIXED)
1829 		pinfo->flags |= NL80211_MPATH_FLAG_FIXED;
1830 	if (mpath->flags & MESH_PATH_RESOLVED)
1831 		pinfo->flags |= NL80211_MPATH_FLAG_RESOLVED;
1832 	pinfo->hop_count = mpath->hop_count;
1833 	pinfo->path_change_count = mpath->path_change_count;
1834 }
1835 
1836 static int ieee80211_get_mpath(struct wiphy *wiphy, struct net_device *dev,
1837 			       u8 *dst, u8 *next_hop, struct mpath_info *pinfo)
1838 
1839 {
1840 	struct ieee80211_sub_if_data *sdata;
1841 	struct mesh_path *mpath;
1842 
1843 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1844 
1845 	rcu_read_lock();
1846 	mpath = mesh_path_lookup(sdata, dst);
1847 	if (!mpath) {
1848 		rcu_read_unlock();
1849 		return -ENOENT;
1850 	}
1851 	memcpy(dst, mpath->dst, ETH_ALEN);
1852 	mpath_set_pinfo(mpath, next_hop, pinfo);
1853 	rcu_read_unlock();
1854 	return 0;
1855 }
1856 
1857 static int ieee80211_dump_mpath(struct wiphy *wiphy, struct net_device *dev,
1858 				int idx, u8 *dst, u8 *next_hop,
1859 				struct mpath_info *pinfo)
1860 {
1861 	struct ieee80211_sub_if_data *sdata;
1862 	struct mesh_path *mpath;
1863 
1864 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1865 
1866 	rcu_read_lock();
1867 	mpath = mesh_path_lookup_by_idx(sdata, idx);
1868 	if (!mpath) {
1869 		rcu_read_unlock();
1870 		return -ENOENT;
1871 	}
1872 	memcpy(dst, mpath->dst, ETH_ALEN);
1873 	mpath_set_pinfo(mpath, next_hop, pinfo);
1874 	rcu_read_unlock();
1875 	return 0;
1876 }
1877 
1878 static void mpp_set_pinfo(struct mesh_path *mpath, u8 *mpp,
1879 			  struct mpath_info *pinfo)
1880 {
1881 	memset(pinfo, 0, sizeof(*pinfo));
1882 	memcpy(mpp, mpath->mpp, ETH_ALEN);
1883 
1884 	pinfo->generation = mpath->sdata->u.mesh.mpp_paths_generation;
1885 }
1886 
1887 static int ieee80211_get_mpp(struct wiphy *wiphy, struct net_device *dev,
1888 			     u8 *dst, u8 *mpp, struct mpath_info *pinfo)
1889 
1890 {
1891 	struct ieee80211_sub_if_data *sdata;
1892 	struct mesh_path *mpath;
1893 
1894 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1895 
1896 	rcu_read_lock();
1897 	mpath = mpp_path_lookup(sdata, dst);
1898 	if (!mpath) {
1899 		rcu_read_unlock();
1900 		return -ENOENT;
1901 	}
1902 	memcpy(dst, mpath->dst, ETH_ALEN);
1903 	mpp_set_pinfo(mpath, mpp, pinfo);
1904 	rcu_read_unlock();
1905 	return 0;
1906 }
1907 
1908 static int ieee80211_dump_mpp(struct wiphy *wiphy, struct net_device *dev,
1909 			      int idx, u8 *dst, u8 *mpp,
1910 			      struct mpath_info *pinfo)
1911 {
1912 	struct ieee80211_sub_if_data *sdata;
1913 	struct mesh_path *mpath;
1914 
1915 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1916 
1917 	rcu_read_lock();
1918 	mpath = mpp_path_lookup_by_idx(sdata, idx);
1919 	if (!mpath) {
1920 		rcu_read_unlock();
1921 		return -ENOENT;
1922 	}
1923 	memcpy(dst, mpath->dst, ETH_ALEN);
1924 	mpp_set_pinfo(mpath, mpp, pinfo);
1925 	rcu_read_unlock();
1926 	return 0;
1927 }
1928 
1929 static int ieee80211_get_mesh_config(struct wiphy *wiphy,
1930 				struct net_device *dev,
1931 				struct mesh_config *conf)
1932 {
1933 	struct ieee80211_sub_if_data *sdata;
1934 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
1935 
1936 	memcpy(conf, &(sdata->u.mesh.mshcfg), sizeof(struct mesh_config));
1937 	return 0;
1938 }
1939 
1940 static inline bool _chg_mesh_attr(enum nl80211_meshconf_params parm, u32 mask)
1941 {
1942 	return (mask >> (parm-1)) & 0x1;
1943 }
1944 
1945 static int copy_mesh_setup(struct ieee80211_if_mesh *ifmsh,
1946 		const struct mesh_setup *setup)
1947 {
1948 	u8 *new_ie;
1949 	const u8 *old_ie;
1950 	struct ieee80211_sub_if_data *sdata = container_of(ifmsh,
1951 					struct ieee80211_sub_if_data, u.mesh);
1952 
1953 	/* allocate information elements */
1954 	new_ie = NULL;
1955 	old_ie = ifmsh->ie;
1956 
1957 	if (setup->ie_len) {
1958 		new_ie = kmemdup(setup->ie, setup->ie_len,
1959 				GFP_KERNEL);
1960 		if (!new_ie)
1961 			return -ENOMEM;
1962 	}
1963 	ifmsh->ie_len = setup->ie_len;
1964 	ifmsh->ie = new_ie;
1965 	kfree(old_ie);
1966 
1967 	/* now copy the rest of the setup parameters */
1968 	ifmsh->mesh_id_len = setup->mesh_id_len;
1969 	memcpy(ifmsh->mesh_id, setup->mesh_id, ifmsh->mesh_id_len);
1970 	ifmsh->mesh_sp_id = setup->sync_method;
1971 	ifmsh->mesh_pp_id = setup->path_sel_proto;
1972 	ifmsh->mesh_pm_id = setup->path_metric;
1973 	ifmsh->user_mpm = setup->user_mpm;
1974 	ifmsh->mesh_auth_id = setup->auth_id;
1975 	ifmsh->security = IEEE80211_MESH_SEC_NONE;
1976 	ifmsh->userspace_handles_dfs = setup->userspace_handles_dfs;
1977 	if (setup->is_authenticated)
1978 		ifmsh->security |= IEEE80211_MESH_SEC_AUTHED;
1979 	if (setup->is_secure)
1980 		ifmsh->security |= IEEE80211_MESH_SEC_SECURED;
1981 
1982 	/* mcast rate setting in Mesh Node */
1983 	memcpy(sdata->vif.bss_conf.mcast_rate, setup->mcast_rate,
1984 						sizeof(setup->mcast_rate));
1985 	sdata->vif.bss_conf.basic_rates = setup->basic_rates;
1986 
1987 	sdata->vif.bss_conf.beacon_int = setup->beacon_interval;
1988 	sdata->vif.bss_conf.dtim_period = setup->dtim_period;
1989 
1990 	return 0;
1991 }
1992 
1993 static int ieee80211_update_mesh_config(struct wiphy *wiphy,
1994 					struct net_device *dev, u32 mask,
1995 					const struct mesh_config *nconf)
1996 {
1997 	struct mesh_config *conf;
1998 	struct ieee80211_sub_if_data *sdata;
1999 	struct ieee80211_if_mesh *ifmsh;
2000 
2001 	sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2002 	ifmsh = &sdata->u.mesh;
2003 
2004 	/* Set the config options which we are interested in setting */
2005 	conf = &(sdata->u.mesh.mshcfg);
2006 	if (_chg_mesh_attr(NL80211_MESHCONF_RETRY_TIMEOUT, mask))
2007 		conf->dot11MeshRetryTimeout = nconf->dot11MeshRetryTimeout;
2008 	if (_chg_mesh_attr(NL80211_MESHCONF_CONFIRM_TIMEOUT, mask))
2009 		conf->dot11MeshConfirmTimeout = nconf->dot11MeshConfirmTimeout;
2010 	if (_chg_mesh_attr(NL80211_MESHCONF_HOLDING_TIMEOUT, mask))
2011 		conf->dot11MeshHoldingTimeout = nconf->dot11MeshHoldingTimeout;
2012 	if (_chg_mesh_attr(NL80211_MESHCONF_MAX_PEER_LINKS, mask))
2013 		conf->dot11MeshMaxPeerLinks = nconf->dot11MeshMaxPeerLinks;
2014 	if (_chg_mesh_attr(NL80211_MESHCONF_MAX_RETRIES, mask))
2015 		conf->dot11MeshMaxRetries = nconf->dot11MeshMaxRetries;
2016 	if (_chg_mesh_attr(NL80211_MESHCONF_TTL, mask))
2017 		conf->dot11MeshTTL = nconf->dot11MeshTTL;
2018 	if (_chg_mesh_attr(NL80211_MESHCONF_ELEMENT_TTL, mask))
2019 		conf->element_ttl = nconf->element_ttl;
2020 	if (_chg_mesh_attr(NL80211_MESHCONF_AUTO_OPEN_PLINKS, mask)) {
2021 		if (ifmsh->user_mpm)
2022 			return -EBUSY;
2023 		conf->auto_open_plinks = nconf->auto_open_plinks;
2024 	}
2025 	if (_chg_mesh_attr(NL80211_MESHCONF_SYNC_OFFSET_MAX_NEIGHBOR, mask))
2026 		conf->dot11MeshNbrOffsetMaxNeighbor =
2027 			nconf->dot11MeshNbrOffsetMaxNeighbor;
2028 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_MAX_PREQ_RETRIES, mask))
2029 		conf->dot11MeshHWMPmaxPREQretries =
2030 			nconf->dot11MeshHWMPmaxPREQretries;
2031 	if (_chg_mesh_attr(NL80211_MESHCONF_PATH_REFRESH_TIME, mask))
2032 		conf->path_refresh_time = nconf->path_refresh_time;
2033 	if (_chg_mesh_attr(NL80211_MESHCONF_MIN_DISCOVERY_TIMEOUT, mask))
2034 		conf->min_discovery_timeout = nconf->min_discovery_timeout;
2035 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ACTIVE_PATH_TIMEOUT, mask))
2036 		conf->dot11MeshHWMPactivePathTimeout =
2037 			nconf->dot11MeshHWMPactivePathTimeout;
2038 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PREQ_MIN_INTERVAL, mask))
2039 		conf->dot11MeshHWMPpreqMinInterval =
2040 			nconf->dot11MeshHWMPpreqMinInterval;
2041 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PERR_MIN_INTERVAL, mask))
2042 		conf->dot11MeshHWMPperrMinInterval =
2043 			nconf->dot11MeshHWMPperrMinInterval;
2044 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_NET_DIAM_TRVS_TIME,
2045 			   mask))
2046 		conf->dot11MeshHWMPnetDiameterTraversalTime =
2047 			nconf->dot11MeshHWMPnetDiameterTraversalTime;
2048 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOTMODE, mask)) {
2049 		conf->dot11MeshHWMPRootMode = nconf->dot11MeshHWMPRootMode;
2050 		ieee80211_mesh_root_setup(ifmsh);
2051 	}
2052 	if (_chg_mesh_attr(NL80211_MESHCONF_GATE_ANNOUNCEMENTS, mask)) {
2053 		/* our current gate announcement implementation rides on root
2054 		 * announcements, so require this ifmsh to also be a root node
2055 		 * */
2056 		if (nconf->dot11MeshGateAnnouncementProtocol &&
2057 		    !(conf->dot11MeshHWMPRootMode > IEEE80211_ROOTMODE_ROOT)) {
2058 			conf->dot11MeshHWMPRootMode = IEEE80211_PROACTIVE_RANN;
2059 			ieee80211_mesh_root_setup(ifmsh);
2060 		}
2061 		conf->dot11MeshGateAnnouncementProtocol =
2062 			nconf->dot11MeshGateAnnouncementProtocol;
2063 	}
2064 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_RANN_INTERVAL, mask))
2065 		conf->dot11MeshHWMPRannInterval =
2066 			nconf->dot11MeshHWMPRannInterval;
2067 	if (_chg_mesh_attr(NL80211_MESHCONF_FORWARDING, mask))
2068 		conf->dot11MeshForwarding = nconf->dot11MeshForwarding;
2069 	if (_chg_mesh_attr(NL80211_MESHCONF_RSSI_THRESHOLD, mask)) {
2070 		/* our RSSI threshold implementation is supported only for
2071 		 * devices that report signal in dBm.
2072 		 */
2073 		if (!ieee80211_hw_check(&sdata->local->hw, SIGNAL_DBM))
2074 			return -ENOTSUPP;
2075 		conf->rssi_threshold = nconf->rssi_threshold;
2076 	}
2077 	if (_chg_mesh_attr(NL80211_MESHCONF_HT_OPMODE, mask)) {
2078 		conf->ht_opmode = nconf->ht_opmode;
2079 		sdata->vif.bss_conf.ht_operation_mode = nconf->ht_opmode;
2080 		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_HT);
2081 	}
2082 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_PATH_TO_ROOT_TIMEOUT, mask))
2083 		conf->dot11MeshHWMPactivePathToRootTimeout =
2084 			nconf->dot11MeshHWMPactivePathToRootTimeout;
2085 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_ROOT_INTERVAL, mask))
2086 		conf->dot11MeshHWMProotInterval =
2087 			nconf->dot11MeshHWMProotInterval;
2088 	if (_chg_mesh_attr(NL80211_MESHCONF_HWMP_CONFIRMATION_INTERVAL, mask))
2089 		conf->dot11MeshHWMPconfirmationInterval =
2090 			nconf->dot11MeshHWMPconfirmationInterval;
2091 	if (_chg_mesh_attr(NL80211_MESHCONF_POWER_MODE, mask)) {
2092 		conf->power_mode = nconf->power_mode;
2093 		ieee80211_mps_local_status_update(sdata);
2094 	}
2095 	if (_chg_mesh_attr(NL80211_MESHCONF_AWAKE_WINDOW, mask))
2096 		conf->dot11MeshAwakeWindowDuration =
2097 			nconf->dot11MeshAwakeWindowDuration;
2098 	if (_chg_mesh_attr(NL80211_MESHCONF_PLINK_TIMEOUT, mask))
2099 		conf->plink_timeout = nconf->plink_timeout;
2100 	if (_chg_mesh_attr(NL80211_MESHCONF_CONNECTED_TO_GATE, mask))
2101 		conf->dot11MeshConnectedToMeshGate =
2102 			nconf->dot11MeshConnectedToMeshGate;
2103 	ieee80211_mbss_info_change_notify(sdata, BSS_CHANGED_BEACON);
2104 	return 0;
2105 }
2106 
2107 static int ieee80211_join_mesh(struct wiphy *wiphy, struct net_device *dev,
2108 			       const struct mesh_config *conf,
2109 			       const struct mesh_setup *setup)
2110 {
2111 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2112 	struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
2113 	int err;
2114 
2115 	memcpy(&ifmsh->mshcfg, conf, sizeof(struct mesh_config));
2116 	err = copy_mesh_setup(ifmsh, setup);
2117 	if (err)
2118 		return err;
2119 
2120 	sdata->control_port_over_nl80211 = setup->control_port_over_nl80211;
2121 
2122 	/* can mesh use other SMPS modes? */
2123 	sdata->smps_mode = IEEE80211_SMPS_OFF;
2124 	sdata->needed_rx_chains = sdata->local->rx_chains;
2125 
2126 	mutex_lock(&sdata->local->mtx);
2127 	err = ieee80211_vif_use_channel(sdata, &setup->chandef,
2128 					IEEE80211_CHANCTX_SHARED);
2129 	mutex_unlock(&sdata->local->mtx);
2130 	if (err)
2131 		return err;
2132 
2133 	return ieee80211_start_mesh(sdata);
2134 }
2135 
2136 static int ieee80211_leave_mesh(struct wiphy *wiphy, struct net_device *dev)
2137 {
2138 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2139 
2140 	ieee80211_stop_mesh(sdata);
2141 	mutex_lock(&sdata->local->mtx);
2142 	ieee80211_vif_release_channel(sdata);
2143 	mutex_unlock(&sdata->local->mtx);
2144 
2145 	return 0;
2146 }
2147 #endif
2148 
2149 static int ieee80211_change_bss(struct wiphy *wiphy,
2150 				struct net_device *dev,
2151 				struct bss_parameters *params)
2152 {
2153 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2154 	struct ieee80211_supported_band *sband;
2155 	u32 changed = 0;
2156 
2157 	if (!sdata_dereference(sdata->u.ap.beacon, sdata))
2158 		return -ENOENT;
2159 
2160 	sband = ieee80211_get_sband(sdata);
2161 	if (!sband)
2162 		return -EINVAL;
2163 
2164 	if (params->use_cts_prot >= 0) {
2165 		sdata->vif.bss_conf.use_cts_prot = params->use_cts_prot;
2166 		changed |= BSS_CHANGED_ERP_CTS_PROT;
2167 	}
2168 	if (params->use_short_preamble >= 0) {
2169 		sdata->vif.bss_conf.use_short_preamble =
2170 			params->use_short_preamble;
2171 		changed |= BSS_CHANGED_ERP_PREAMBLE;
2172 	}
2173 
2174 	if (!sdata->vif.bss_conf.use_short_slot &&
2175 	    sband->band == NL80211_BAND_5GHZ) {
2176 		sdata->vif.bss_conf.use_short_slot = true;
2177 		changed |= BSS_CHANGED_ERP_SLOT;
2178 	}
2179 
2180 	if (params->use_short_slot_time >= 0) {
2181 		sdata->vif.bss_conf.use_short_slot =
2182 			params->use_short_slot_time;
2183 		changed |= BSS_CHANGED_ERP_SLOT;
2184 	}
2185 
2186 	if (params->basic_rates) {
2187 		ieee80211_parse_bitrates(&sdata->vif.bss_conf.chandef,
2188 					 wiphy->bands[sband->band],
2189 					 params->basic_rates,
2190 					 params->basic_rates_len,
2191 					 &sdata->vif.bss_conf.basic_rates);
2192 		changed |= BSS_CHANGED_BASIC_RATES;
2193 		ieee80211_check_rate_mask(sdata);
2194 	}
2195 
2196 	if (params->ap_isolate >= 0) {
2197 		if (params->ap_isolate)
2198 			sdata->flags |= IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2199 		else
2200 			sdata->flags &= ~IEEE80211_SDATA_DONT_BRIDGE_PACKETS;
2201 		ieee80211_check_fast_rx_iface(sdata);
2202 	}
2203 
2204 	if (params->ht_opmode >= 0) {
2205 		sdata->vif.bss_conf.ht_operation_mode =
2206 			(u16) params->ht_opmode;
2207 		changed |= BSS_CHANGED_HT;
2208 	}
2209 
2210 	if (params->p2p_ctwindow >= 0) {
2211 		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2212 					~IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2213 		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2214 			params->p2p_ctwindow & IEEE80211_P2P_OPPPS_CTWINDOW_MASK;
2215 		changed |= BSS_CHANGED_P2P_PS;
2216 	}
2217 
2218 	if (params->p2p_opp_ps > 0) {
2219 		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow |=
2220 					IEEE80211_P2P_OPPPS_ENABLE_BIT;
2221 		changed |= BSS_CHANGED_P2P_PS;
2222 	} else if (params->p2p_opp_ps == 0) {
2223 		sdata->vif.bss_conf.p2p_noa_attr.oppps_ctwindow &=
2224 					~IEEE80211_P2P_OPPPS_ENABLE_BIT;
2225 		changed |= BSS_CHANGED_P2P_PS;
2226 	}
2227 
2228 	ieee80211_bss_info_change_notify(sdata, changed);
2229 
2230 	return 0;
2231 }
2232 
2233 static int ieee80211_set_txq_params(struct wiphy *wiphy,
2234 				    struct net_device *dev,
2235 				    struct ieee80211_txq_params *params)
2236 {
2237 	struct ieee80211_local *local = wiphy_priv(wiphy);
2238 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2239 	struct ieee80211_tx_queue_params p;
2240 
2241 	if (!local->ops->conf_tx)
2242 		return -EOPNOTSUPP;
2243 
2244 	if (local->hw.queues < IEEE80211_NUM_ACS)
2245 		return -EOPNOTSUPP;
2246 
2247 	memset(&p, 0, sizeof(p));
2248 	p.aifs = params->aifs;
2249 	p.cw_max = params->cwmax;
2250 	p.cw_min = params->cwmin;
2251 	p.txop = params->txop;
2252 
2253 	/*
2254 	 * Setting tx queue params disables u-apsd because it's only
2255 	 * called in master mode.
2256 	 */
2257 	p.uapsd = false;
2258 
2259 	ieee80211_regulatory_limit_wmm_params(sdata, &p, params->ac);
2260 
2261 	sdata->tx_conf[params->ac] = p;
2262 	if (drv_conf_tx(local, sdata, params->ac, &p)) {
2263 		wiphy_debug(local->hw.wiphy,
2264 			    "failed to set TX queue parameters for AC %d\n",
2265 			    params->ac);
2266 		return -EINVAL;
2267 	}
2268 
2269 	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_QOS);
2270 
2271 	return 0;
2272 }
2273 
2274 #ifdef CONFIG_PM
2275 static int ieee80211_suspend(struct wiphy *wiphy,
2276 			     struct cfg80211_wowlan *wowlan)
2277 {
2278 	return __ieee80211_suspend(wiphy_priv(wiphy), wowlan);
2279 }
2280 
2281 static int ieee80211_resume(struct wiphy *wiphy)
2282 {
2283 	return __ieee80211_resume(wiphy_priv(wiphy));
2284 }
2285 #else
2286 #define ieee80211_suspend NULL
2287 #define ieee80211_resume NULL
2288 #endif
2289 
2290 static int ieee80211_scan(struct wiphy *wiphy,
2291 			  struct cfg80211_scan_request *req)
2292 {
2293 	struct ieee80211_sub_if_data *sdata;
2294 
2295 	sdata = IEEE80211_WDEV_TO_SUB_IF(req->wdev);
2296 
2297 	switch (ieee80211_vif_type_p2p(&sdata->vif)) {
2298 	case NL80211_IFTYPE_STATION:
2299 	case NL80211_IFTYPE_ADHOC:
2300 	case NL80211_IFTYPE_MESH_POINT:
2301 	case NL80211_IFTYPE_P2P_CLIENT:
2302 	case NL80211_IFTYPE_P2P_DEVICE:
2303 		break;
2304 	case NL80211_IFTYPE_P2P_GO:
2305 		if (sdata->local->ops->hw_scan)
2306 			break;
2307 		/*
2308 		 * FIXME: implement NoA while scanning in software,
2309 		 * for now fall through to allow scanning only when
2310 		 * beaconing hasn't been configured yet
2311 		 */
2312 		/* fall through */
2313 	case NL80211_IFTYPE_AP:
2314 		/*
2315 		 * If the scan has been forced (and the driver supports
2316 		 * forcing), don't care about being beaconing already.
2317 		 * This will create problems to the attached stations (e.g. all
2318 		 * the  frames sent while scanning on other channel will be
2319 		 * lost)
2320 		 */
2321 		if (sdata->u.ap.beacon &&
2322 		    (!(wiphy->features & NL80211_FEATURE_AP_SCAN) ||
2323 		     !(req->flags & NL80211_SCAN_FLAG_AP)))
2324 			return -EOPNOTSUPP;
2325 		break;
2326 	case NL80211_IFTYPE_NAN:
2327 	default:
2328 		return -EOPNOTSUPP;
2329 	}
2330 
2331 	return ieee80211_request_scan(sdata, req);
2332 }
2333 
2334 static void ieee80211_abort_scan(struct wiphy *wiphy, struct wireless_dev *wdev)
2335 {
2336 	ieee80211_scan_cancel(wiphy_priv(wiphy));
2337 }
2338 
2339 static int
2340 ieee80211_sched_scan_start(struct wiphy *wiphy,
2341 			   struct net_device *dev,
2342 			   struct cfg80211_sched_scan_request *req)
2343 {
2344 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2345 
2346 	if (!sdata->local->ops->sched_scan_start)
2347 		return -EOPNOTSUPP;
2348 
2349 	return ieee80211_request_sched_scan_start(sdata, req);
2350 }
2351 
2352 static int
2353 ieee80211_sched_scan_stop(struct wiphy *wiphy, struct net_device *dev,
2354 			  u64 reqid)
2355 {
2356 	struct ieee80211_local *local = wiphy_priv(wiphy);
2357 
2358 	if (!local->ops->sched_scan_stop)
2359 		return -EOPNOTSUPP;
2360 
2361 	return ieee80211_request_sched_scan_stop(local);
2362 }
2363 
2364 static int ieee80211_auth(struct wiphy *wiphy, struct net_device *dev,
2365 			  struct cfg80211_auth_request *req)
2366 {
2367 	return ieee80211_mgd_auth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2368 }
2369 
2370 static int ieee80211_assoc(struct wiphy *wiphy, struct net_device *dev,
2371 			   struct cfg80211_assoc_request *req)
2372 {
2373 	return ieee80211_mgd_assoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2374 }
2375 
2376 static int ieee80211_deauth(struct wiphy *wiphy, struct net_device *dev,
2377 			    struct cfg80211_deauth_request *req)
2378 {
2379 	return ieee80211_mgd_deauth(IEEE80211_DEV_TO_SUB_IF(dev), req);
2380 }
2381 
2382 static int ieee80211_disassoc(struct wiphy *wiphy, struct net_device *dev,
2383 			      struct cfg80211_disassoc_request *req)
2384 {
2385 	return ieee80211_mgd_disassoc(IEEE80211_DEV_TO_SUB_IF(dev), req);
2386 }
2387 
2388 static int ieee80211_join_ibss(struct wiphy *wiphy, struct net_device *dev,
2389 			       struct cfg80211_ibss_params *params)
2390 {
2391 	return ieee80211_ibss_join(IEEE80211_DEV_TO_SUB_IF(dev), params);
2392 }
2393 
2394 static int ieee80211_leave_ibss(struct wiphy *wiphy, struct net_device *dev)
2395 {
2396 	return ieee80211_ibss_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2397 }
2398 
2399 static int ieee80211_join_ocb(struct wiphy *wiphy, struct net_device *dev,
2400 			      struct ocb_setup *setup)
2401 {
2402 	return ieee80211_ocb_join(IEEE80211_DEV_TO_SUB_IF(dev), setup);
2403 }
2404 
2405 static int ieee80211_leave_ocb(struct wiphy *wiphy, struct net_device *dev)
2406 {
2407 	return ieee80211_ocb_leave(IEEE80211_DEV_TO_SUB_IF(dev));
2408 }
2409 
2410 static int ieee80211_set_mcast_rate(struct wiphy *wiphy, struct net_device *dev,
2411 				    int rate[NUM_NL80211_BANDS])
2412 {
2413 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2414 
2415 	memcpy(sdata->vif.bss_conf.mcast_rate, rate,
2416 	       sizeof(int) * NUM_NL80211_BANDS);
2417 
2418 	ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_MCAST_RATE);
2419 
2420 	return 0;
2421 }
2422 
2423 static int ieee80211_set_wiphy_params(struct wiphy *wiphy, u32 changed)
2424 {
2425 	struct ieee80211_local *local = wiphy_priv(wiphy);
2426 	int err;
2427 
2428 	if (changed & WIPHY_PARAM_FRAG_THRESHOLD) {
2429 		ieee80211_check_fast_xmit_all(local);
2430 
2431 		err = drv_set_frag_threshold(local, wiphy->frag_threshold);
2432 
2433 		if (err) {
2434 			ieee80211_check_fast_xmit_all(local);
2435 			return err;
2436 		}
2437 	}
2438 
2439 	if ((changed & WIPHY_PARAM_COVERAGE_CLASS) ||
2440 	    (changed & WIPHY_PARAM_DYN_ACK)) {
2441 		s16 coverage_class;
2442 
2443 		coverage_class = changed & WIPHY_PARAM_COVERAGE_CLASS ?
2444 					wiphy->coverage_class : -1;
2445 		err = drv_set_coverage_class(local, coverage_class);
2446 
2447 		if (err)
2448 			return err;
2449 	}
2450 
2451 	if (changed & WIPHY_PARAM_RTS_THRESHOLD) {
2452 		err = drv_set_rts_threshold(local, wiphy->rts_threshold);
2453 
2454 		if (err)
2455 			return err;
2456 	}
2457 
2458 	if (changed & WIPHY_PARAM_RETRY_SHORT) {
2459 		if (wiphy->retry_short > IEEE80211_MAX_TX_RETRY)
2460 			return -EINVAL;
2461 		local->hw.conf.short_frame_max_tx_count = wiphy->retry_short;
2462 	}
2463 	if (changed & WIPHY_PARAM_RETRY_LONG) {
2464 		if (wiphy->retry_long > IEEE80211_MAX_TX_RETRY)
2465 			return -EINVAL;
2466 		local->hw.conf.long_frame_max_tx_count = wiphy->retry_long;
2467 	}
2468 	if (changed &
2469 	    (WIPHY_PARAM_RETRY_SHORT | WIPHY_PARAM_RETRY_LONG))
2470 		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_RETRY_LIMITS);
2471 
2472 	if (changed & (WIPHY_PARAM_TXQ_LIMIT |
2473 		       WIPHY_PARAM_TXQ_MEMORY_LIMIT |
2474 		       WIPHY_PARAM_TXQ_QUANTUM))
2475 		ieee80211_txq_set_params(local);
2476 
2477 	return 0;
2478 }
2479 
2480 static int ieee80211_set_tx_power(struct wiphy *wiphy,
2481 				  struct wireless_dev *wdev,
2482 				  enum nl80211_tx_power_setting type, int mbm)
2483 {
2484 	struct ieee80211_local *local = wiphy_priv(wiphy);
2485 	struct ieee80211_sub_if_data *sdata;
2486 	enum nl80211_tx_power_setting txp_type = type;
2487 	bool update_txp_type = false;
2488 	bool has_monitor = false;
2489 
2490 	if (wdev) {
2491 		sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2492 
2493 		if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2494 			sdata = rtnl_dereference(local->monitor_sdata);
2495 			if (!sdata)
2496 				return -EOPNOTSUPP;
2497 		}
2498 
2499 		switch (type) {
2500 		case NL80211_TX_POWER_AUTOMATIC:
2501 			sdata->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2502 			txp_type = NL80211_TX_POWER_LIMITED;
2503 			break;
2504 		case NL80211_TX_POWER_LIMITED:
2505 		case NL80211_TX_POWER_FIXED:
2506 			if (mbm < 0 || (mbm % 100))
2507 				return -EOPNOTSUPP;
2508 			sdata->user_power_level = MBM_TO_DBM(mbm);
2509 			break;
2510 		}
2511 
2512 		if (txp_type != sdata->vif.bss_conf.txpower_type) {
2513 			update_txp_type = true;
2514 			sdata->vif.bss_conf.txpower_type = txp_type;
2515 		}
2516 
2517 		ieee80211_recalc_txpower(sdata, update_txp_type);
2518 
2519 		return 0;
2520 	}
2521 
2522 	switch (type) {
2523 	case NL80211_TX_POWER_AUTOMATIC:
2524 		local->user_power_level = IEEE80211_UNSET_POWER_LEVEL;
2525 		txp_type = NL80211_TX_POWER_LIMITED;
2526 		break;
2527 	case NL80211_TX_POWER_LIMITED:
2528 	case NL80211_TX_POWER_FIXED:
2529 		if (mbm < 0 || (mbm % 100))
2530 			return -EOPNOTSUPP;
2531 		local->user_power_level = MBM_TO_DBM(mbm);
2532 		break;
2533 	}
2534 
2535 	mutex_lock(&local->iflist_mtx);
2536 	list_for_each_entry(sdata, &local->interfaces, list) {
2537 		if (sdata->vif.type == NL80211_IFTYPE_MONITOR) {
2538 			has_monitor = true;
2539 			continue;
2540 		}
2541 		sdata->user_power_level = local->user_power_level;
2542 		if (txp_type != sdata->vif.bss_conf.txpower_type)
2543 			update_txp_type = true;
2544 		sdata->vif.bss_conf.txpower_type = txp_type;
2545 	}
2546 	list_for_each_entry(sdata, &local->interfaces, list) {
2547 		if (sdata->vif.type == NL80211_IFTYPE_MONITOR)
2548 			continue;
2549 		ieee80211_recalc_txpower(sdata, update_txp_type);
2550 	}
2551 	mutex_unlock(&local->iflist_mtx);
2552 
2553 	if (has_monitor) {
2554 		sdata = rtnl_dereference(local->monitor_sdata);
2555 		if (sdata) {
2556 			sdata->user_power_level = local->user_power_level;
2557 			if (txp_type != sdata->vif.bss_conf.txpower_type)
2558 				update_txp_type = true;
2559 			sdata->vif.bss_conf.txpower_type = txp_type;
2560 
2561 			ieee80211_recalc_txpower(sdata, update_txp_type);
2562 		}
2563 	}
2564 
2565 	return 0;
2566 }
2567 
2568 static int ieee80211_get_tx_power(struct wiphy *wiphy,
2569 				  struct wireless_dev *wdev,
2570 				  int *dbm)
2571 {
2572 	struct ieee80211_local *local = wiphy_priv(wiphy);
2573 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2574 
2575 	if (local->ops->get_txpower)
2576 		return drv_get_txpower(local, sdata, dbm);
2577 
2578 	if (!local->use_chanctx)
2579 		*dbm = local->hw.conf.power_level;
2580 	else
2581 		*dbm = sdata->vif.bss_conf.txpower;
2582 
2583 	return 0;
2584 }
2585 
2586 static int ieee80211_set_wds_peer(struct wiphy *wiphy, struct net_device *dev,
2587 				  const u8 *addr)
2588 {
2589 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2590 
2591 	memcpy(&sdata->u.wds.remote_addr, addr, ETH_ALEN);
2592 
2593 	return 0;
2594 }
2595 
2596 static void ieee80211_rfkill_poll(struct wiphy *wiphy)
2597 {
2598 	struct ieee80211_local *local = wiphy_priv(wiphy);
2599 
2600 	drv_rfkill_poll(local);
2601 }
2602 
2603 #ifdef CONFIG_NL80211_TESTMODE
2604 static int ieee80211_testmode_cmd(struct wiphy *wiphy,
2605 				  struct wireless_dev *wdev,
2606 				  void *data, int len)
2607 {
2608 	struct ieee80211_local *local = wiphy_priv(wiphy);
2609 	struct ieee80211_vif *vif = NULL;
2610 
2611 	if (!local->ops->testmode_cmd)
2612 		return -EOPNOTSUPP;
2613 
2614 	if (wdev) {
2615 		struct ieee80211_sub_if_data *sdata;
2616 
2617 		sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
2618 		if (sdata->flags & IEEE80211_SDATA_IN_DRIVER)
2619 			vif = &sdata->vif;
2620 	}
2621 
2622 	return local->ops->testmode_cmd(&local->hw, vif, data, len);
2623 }
2624 
2625 static int ieee80211_testmode_dump(struct wiphy *wiphy,
2626 				   struct sk_buff *skb,
2627 				   struct netlink_callback *cb,
2628 				   void *data, int len)
2629 {
2630 	struct ieee80211_local *local = wiphy_priv(wiphy);
2631 
2632 	if (!local->ops->testmode_dump)
2633 		return -EOPNOTSUPP;
2634 
2635 	return local->ops->testmode_dump(&local->hw, skb, cb, data, len);
2636 }
2637 #endif
2638 
2639 int __ieee80211_request_smps_mgd(struct ieee80211_sub_if_data *sdata,
2640 				 enum ieee80211_smps_mode smps_mode)
2641 {
2642 	const u8 *ap;
2643 	enum ieee80211_smps_mode old_req;
2644 	int err;
2645 	struct sta_info *sta;
2646 	bool tdls_peer_found = false;
2647 
2648 	lockdep_assert_held(&sdata->wdev.mtx);
2649 
2650 	if (WARN_ON_ONCE(sdata->vif.type != NL80211_IFTYPE_STATION))
2651 		return -EINVAL;
2652 
2653 	old_req = sdata->u.mgd.req_smps;
2654 	sdata->u.mgd.req_smps = smps_mode;
2655 
2656 	if (old_req == smps_mode &&
2657 	    smps_mode != IEEE80211_SMPS_AUTOMATIC)
2658 		return 0;
2659 
2660 	/*
2661 	 * If not associated, or current association is not an HT
2662 	 * association, there's no need to do anything, just store
2663 	 * the new value until we associate.
2664 	 */
2665 	if (!sdata->u.mgd.associated ||
2666 	    sdata->vif.bss_conf.chandef.width == NL80211_CHAN_WIDTH_20_NOHT)
2667 		return 0;
2668 
2669 	ap = sdata->u.mgd.associated->bssid;
2670 
2671 	rcu_read_lock();
2672 	list_for_each_entry_rcu(sta, &sdata->local->sta_list, list) {
2673 		if (!sta->sta.tdls || sta->sdata != sdata || !sta->uploaded ||
2674 		    !test_sta_flag(sta, WLAN_STA_AUTHORIZED))
2675 			continue;
2676 
2677 		tdls_peer_found = true;
2678 		break;
2679 	}
2680 	rcu_read_unlock();
2681 
2682 	if (smps_mode == IEEE80211_SMPS_AUTOMATIC) {
2683 		if (tdls_peer_found || !sdata->u.mgd.powersave)
2684 			smps_mode = IEEE80211_SMPS_OFF;
2685 		else
2686 			smps_mode = IEEE80211_SMPS_DYNAMIC;
2687 	}
2688 
2689 	/* send SM PS frame to AP */
2690 	err = ieee80211_send_smps_action(sdata, smps_mode,
2691 					 ap, ap);
2692 	if (err)
2693 		sdata->u.mgd.req_smps = old_req;
2694 	else if (smps_mode != IEEE80211_SMPS_OFF && tdls_peer_found)
2695 		ieee80211_teardown_tdls_peers(sdata);
2696 
2697 	return err;
2698 }
2699 
2700 static int ieee80211_set_power_mgmt(struct wiphy *wiphy, struct net_device *dev,
2701 				    bool enabled, int timeout)
2702 {
2703 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2704 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2705 
2706 	if (sdata->vif.type != NL80211_IFTYPE_STATION)
2707 		return -EOPNOTSUPP;
2708 
2709 	if (!ieee80211_hw_check(&local->hw, SUPPORTS_PS))
2710 		return -EOPNOTSUPP;
2711 
2712 	if (enabled == sdata->u.mgd.powersave &&
2713 	    timeout == local->dynamic_ps_forced_timeout)
2714 		return 0;
2715 
2716 	sdata->u.mgd.powersave = enabled;
2717 	local->dynamic_ps_forced_timeout = timeout;
2718 
2719 	/* no change, but if automatic follow powersave */
2720 	sdata_lock(sdata);
2721 	__ieee80211_request_smps_mgd(sdata, sdata->u.mgd.req_smps);
2722 	sdata_unlock(sdata);
2723 
2724 	if (ieee80211_hw_check(&local->hw, SUPPORTS_DYNAMIC_PS))
2725 		ieee80211_hw_config(local, IEEE80211_CONF_CHANGE_PS);
2726 
2727 	ieee80211_recalc_ps(local);
2728 	ieee80211_recalc_ps_vif(sdata);
2729 	ieee80211_check_fast_rx_iface(sdata);
2730 
2731 	return 0;
2732 }
2733 
2734 static int ieee80211_set_cqm_rssi_config(struct wiphy *wiphy,
2735 					 struct net_device *dev,
2736 					 s32 rssi_thold, u32 rssi_hyst)
2737 {
2738 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2739 	struct ieee80211_vif *vif = &sdata->vif;
2740 	struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2741 
2742 	if (rssi_thold == bss_conf->cqm_rssi_thold &&
2743 	    rssi_hyst == bss_conf->cqm_rssi_hyst)
2744 		return 0;
2745 
2746 	if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER &&
2747 	    !(sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI))
2748 		return -EOPNOTSUPP;
2749 
2750 	bss_conf->cqm_rssi_thold = rssi_thold;
2751 	bss_conf->cqm_rssi_hyst = rssi_hyst;
2752 	bss_conf->cqm_rssi_low = 0;
2753 	bss_conf->cqm_rssi_high = 0;
2754 	sdata->u.mgd.last_cqm_event_signal = 0;
2755 
2756 	/* tell the driver upon association, unless already associated */
2757 	if (sdata->u.mgd.associated &&
2758 	    sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2759 		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2760 
2761 	return 0;
2762 }
2763 
2764 static int ieee80211_set_cqm_rssi_range_config(struct wiphy *wiphy,
2765 					       struct net_device *dev,
2766 					       s32 rssi_low, s32 rssi_high)
2767 {
2768 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2769 	struct ieee80211_vif *vif = &sdata->vif;
2770 	struct ieee80211_bss_conf *bss_conf = &vif->bss_conf;
2771 
2772 	if (sdata->vif.driver_flags & IEEE80211_VIF_BEACON_FILTER)
2773 		return -EOPNOTSUPP;
2774 
2775 	bss_conf->cqm_rssi_low = rssi_low;
2776 	bss_conf->cqm_rssi_high = rssi_high;
2777 	bss_conf->cqm_rssi_thold = 0;
2778 	bss_conf->cqm_rssi_hyst = 0;
2779 	sdata->u.mgd.last_cqm_event_signal = 0;
2780 
2781 	/* tell the driver upon association, unless already associated */
2782 	if (sdata->u.mgd.associated &&
2783 	    sdata->vif.driver_flags & IEEE80211_VIF_SUPPORTS_CQM_RSSI)
2784 		ieee80211_bss_info_change_notify(sdata, BSS_CHANGED_CQM);
2785 
2786 	return 0;
2787 }
2788 
2789 static int ieee80211_set_bitrate_mask(struct wiphy *wiphy,
2790 				      struct net_device *dev,
2791 				      const u8 *addr,
2792 				      const struct cfg80211_bitrate_mask *mask)
2793 {
2794 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2795 	struct ieee80211_local *local = wdev_priv(dev->ieee80211_ptr);
2796 	int i, ret;
2797 
2798 	if (!ieee80211_sdata_running(sdata))
2799 		return -ENETDOWN;
2800 
2801 	/*
2802 	 * If active validate the setting and reject it if it doesn't leave
2803 	 * at least one basic rate usable, since we really have to be able
2804 	 * to send something, and if we're an AP we have to be able to do
2805 	 * so at a basic rate so that all clients can receive it.
2806 	 */
2807 	if (rcu_access_pointer(sdata->vif.chanctx_conf) &&
2808 	    sdata->vif.bss_conf.chandef.chan) {
2809 		u32 basic_rates = sdata->vif.bss_conf.basic_rates;
2810 		enum nl80211_band band = sdata->vif.bss_conf.chandef.chan->band;
2811 
2812 		if (!(mask->control[band].legacy & basic_rates))
2813 			return -EINVAL;
2814 	}
2815 
2816 	if (ieee80211_hw_check(&local->hw, HAS_RATE_CONTROL)) {
2817 		ret = drv_set_bitrate_mask(local, sdata, mask);
2818 		if (ret)
2819 			return ret;
2820 	}
2821 
2822 	for (i = 0; i < NUM_NL80211_BANDS; i++) {
2823 		struct ieee80211_supported_band *sband = wiphy->bands[i];
2824 		int j;
2825 
2826 		sdata->rc_rateidx_mask[i] = mask->control[i].legacy;
2827 		memcpy(sdata->rc_rateidx_mcs_mask[i], mask->control[i].ht_mcs,
2828 		       sizeof(mask->control[i].ht_mcs));
2829 		memcpy(sdata->rc_rateidx_vht_mcs_mask[i],
2830 		       mask->control[i].vht_mcs,
2831 		       sizeof(mask->control[i].vht_mcs));
2832 
2833 		sdata->rc_has_mcs_mask[i] = false;
2834 		sdata->rc_has_vht_mcs_mask[i] = false;
2835 		if (!sband)
2836 			continue;
2837 
2838 		for (j = 0; j < IEEE80211_HT_MCS_MASK_LEN; j++) {
2839 			if (~sdata->rc_rateidx_mcs_mask[i][j]) {
2840 				sdata->rc_has_mcs_mask[i] = true;
2841 				break;
2842 			}
2843 		}
2844 
2845 		for (j = 0; j < NL80211_VHT_NSS_MAX; j++) {
2846 			if (~sdata->rc_rateidx_vht_mcs_mask[i][j]) {
2847 				sdata->rc_has_vht_mcs_mask[i] = true;
2848 				break;
2849 			}
2850 		}
2851 	}
2852 
2853 	return 0;
2854 }
2855 
2856 static int ieee80211_start_radar_detection(struct wiphy *wiphy,
2857 					   struct net_device *dev,
2858 					   struct cfg80211_chan_def *chandef,
2859 					   u32 cac_time_ms)
2860 {
2861 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2862 	struct ieee80211_local *local = sdata->local;
2863 	int err;
2864 
2865 	mutex_lock(&local->mtx);
2866 	if (!list_empty(&local->roc_list) || local->scanning) {
2867 		err = -EBUSY;
2868 		goto out_unlock;
2869 	}
2870 
2871 	/* whatever, but channel contexts should not complain about that one */
2872 	sdata->smps_mode = IEEE80211_SMPS_OFF;
2873 	sdata->needed_rx_chains = local->rx_chains;
2874 
2875 	err = ieee80211_vif_use_channel(sdata, chandef,
2876 					IEEE80211_CHANCTX_SHARED);
2877 	if (err)
2878 		goto out_unlock;
2879 
2880 	ieee80211_queue_delayed_work(&sdata->local->hw,
2881 				     &sdata->dfs_cac_timer_work,
2882 				     msecs_to_jiffies(cac_time_ms));
2883 
2884  out_unlock:
2885 	mutex_unlock(&local->mtx);
2886 	return err;
2887 }
2888 
2889 static void ieee80211_end_cac(struct wiphy *wiphy,
2890 			      struct net_device *dev)
2891 {
2892 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
2893 	struct ieee80211_local *local = sdata->local;
2894 
2895 	mutex_lock(&local->mtx);
2896 	list_for_each_entry(sdata, &local->interfaces, list) {
2897 		/* it might be waiting for the local->mtx, but then
2898 		 * by the time it gets it, sdata->wdev.cac_started
2899 		 * will no longer be true
2900 		 */
2901 		cancel_delayed_work(&sdata->dfs_cac_timer_work);
2902 
2903 		if (sdata->wdev.cac_started) {
2904 			ieee80211_vif_release_channel(sdata);
2905 			sdata->wdev.cac_started = false;
2906 		}
2907 	}
2908 	mutex_unlock(&local->mtx);
2909 }
2910 
2911 static struct cfg80211_beacon_data *
2912 cfg80211_beacon_dup(struct cfg80211_beacon_data *beacon)
2913 {
2914 	struct cfg80211_beacon_data *new_beacon;
2915 	u8 *pos;
2916 	int len;
2917 
2918 	len = beacon->head_len + beacon->tail_len + beacon->beacon_ies_len +
2919 	      beacon->proberesp_ies_len + beacon->assocresp_ies_len +
2920 	      beacon->probe_resp_len + beacon->lci_len + beacon->civicloc_len;
2921 
2922 	new_beacon = kzalloc(sizeof(*new_beacon) + len, GFP_KERNEL);
2923 	if (!new_beacon)
2924 		return NULL;
2925 
2926 	pos = (u8 *)(new_beacon + 1);
2927 	if (beacon->head_len) {
2928 		new_beacon->head_len = beacon->head_len;
2929 		new_beacon->head = pos;
2930 		memcpy(pos, beacon->head, beacon->head_len);
2931 		pos += beacon->head_len;
2932 	}
2933 	if (beacon->tail_len) {
2934 		new_beacon->tail_len = beacon->tail_len;
2935 		new_beacon->tail = pos;
2936 		memcpy(pos, beacon->tail, beacon->tail_len);
2937 		pos += beacon->tail_len;
2938 	}
2939 	if (beacon->beacon_ies_len) {
2940 		new_beacon->beacon_ies_len = beacon->beacon_ies_len;
2941 		new_beacon->beacon_ies = pos;
2942 		memcpy(pos, beacon->beacon_ies, beacon->beacon_ies_len);
2943 		pos += beacon->beacon_ies_len;
2944 	}
2945 	if (beacon->proberesp_ies_len) {
2946 		new_beacon->proberesp_ies_len = beacon->proberesp_ies_len;
2947 		new_beacon->proberesp_ies = pos;
2948 		memcpy(pos, beacon->proberesp_ies, beacon->proberesp_ies_len);
2949 		pos += beacon->proberesp_ies_len;
2950 	}
2951 	if (beacon->assocresp_ies_len) {
2952 		new_beacon->assocresp_ies_len = beacon->assocresp_ies_len;
2953 		new_beacon->assocresp_ies = pos;
2954 		memcpy(pos, beacon->assocresp_ies, beacon->assocresp_ies_len);
2955 		pos += beacon->assocresp_ies_len;
2956 	}
2957 	if (beacon->probe_resp_len) {
2958 		new_beacon->probe_resp_len = beacon->probe_resp_len;
2959 		new_beacon->probe_resp = pos;
2960 		memcpy(pos, beacon->probe_resp, beacon->probe_resp_len);
2961 		pos += beacon->probe_resp_len;
2962 	}
2963 
2964 	/* might copy -1, meaning no changes requested */
2965 	new_beacon->ftm_responder = beacon->ftm_responder;
2966 	if (beacon->lci) {
2967 		new_beacon->lci_len = beacon->lci_len;
2968 		new_beacon->lci = pos;
2969 		memcpy(pos, beacon->lci, beacon->lci_len);
2970 		pos += beacon->lci_len;
2971 	}
2972 	if (beacon->civicloc) {
2973 		new_beacon->civicloc_len = beacon->civicloc_len;
2974 		new_beacon->civicloc = pos;
2975 		memcpy(pos, beacon->civicloc, beacon->civicloc_len);
2976 		pos += beacon->civicloc_len;
2977 	}
2978 
2979 	return new_beacon;
2980 }
2981 
2982 void ieee80211_csa_finish(struct ieee80211_vif *vif)
2983 {
2984 	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
2985 
2986 	ieee80211_queue_work(&sdata->local->hw,
2987 			     &sdata->csa_finalize_work);
2988 }
2989 EXPORT_SYMBOL(ieee80211_csa_finish);
2990 
2991 static int ieee80211_set_after_csa_beacon(struct ieee80211_sub_if_data *sdata,
2992 					  u32 *changed)
2993 {
2994 	int err;
2995 
2996 	switch (sdata->vif.type) {
2997 	case NL80211_IFTYPE_AP:
2998 		err = ieee80211_assign_beacon(sdata, sdata->u.ap.next_beacon,
2999 					      NULL);
3000 		kfree(sdata->u.ap.next_beacon);
3001 		sdata->u.ap.next_beacon = NULL;
3002 
3003 		if (err < 0)
3004 			return err;
3005 		*changed |= err;
3006 		break;
3007 	case NL80211_IFTYPE_ADHOC:
3008 		err = ieee80211_ibss_finish_csa(sdata);
3009 		if (err < 0)
3010 			return err;
3011 		*changed |= err;
3012 		break;
3013 #ifdef CONFIG_MAC80211_MESH
3014 	case NL80211_IFTYPE_MESH_POINT:
3015 		err = ieee80211_mesh_finish_csa(sdata);
3016 		if (err < 0)
3017 			return err;
3018 		*changed |= err;
3019 		break;
3020 #endif
3021 	default:
3022 		WARN_ON(1);
3023 		return -EINVAL;
3024 	}
3025 
3026 	return 0;
3027 }
3028 
3029 static int __ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3030 {
3031 	struct ieee80211_local *local = sdata->local;
3032 	u32 changed = 0;
3033 	int err;
3034 
3035 	sdata_assert_lock(sdata);
3036 	lockdep_assert_held(&local->mtx);
3037 	lockdep_assert_held(&local->chanctx_mtx);
3038 
3039 	/*
3040 	 * using reservation isn't immediate as it may be deferred until later
3041 	 * with multi-vif. once reservation is complete it will re-schedule the
3042 	 * work with no reserved_chanctx so verify chandef to check if it
3043 	 * completed successfully
3044 	 */
3045 
3046 	if (sdata->reserved_chanctx) {
3047 		/*
3048 		 * with multi-vif csa driver may call ieee80211_csa_finish()
3049 		 * many times while waiting for other interfaces to use their
3050 		 * reservations
3051 		 */
3052 		if (sdata->reserved_ready)
3053 			return 0;
3054 
3055 		return ieee80211_vif_use_reserved_context(sdata);
3056 	}
3057 
3058 	if (!cfg80211_chandef_identical(&sdata->vif.bss_conf.chandef,
3059 					&sdata->csa_chandef))
3060 		return -EINVAL;
3061 
3062 	sdata->vif.csa_active = false;
3063 
3064 	err = ieee80211_set_after_csa_beacon(sdata, &changed);
3065 	if (err)
3066 		return err;
3067 
3068 	ieee80211_bss_info_change_notify(sdata, changed);
3069 
3070 	if (sdata->csa_block_tx) {
3071 		ieee80211_wake_vif_queues(local, sdata,
3072 					  IEEE80211_QUEUE_STOP_REASON_CSA);
3073 		sdata->csa_block_tx = false;
3074 	}
3075 
3076 	err = drv_post_channel_switch(sdata);
3077 	if (err)
3078 		return err;
3079 
3080 	cfg80211_ch_switch_notify(sdata->dev, &sdata->csa_chandef);
3081 
3082 	return 0;
3083 }
3084 
3085 static void ieee80211_csa_finalize(struct ieee80211_sub_if_data *sdata)
3086 {
3087 	if (__ieee80211_csa_finalize(sdata)) {
3088 		sdata_info(sdata, "failed to finalize CSA, disconnecting\n");
3089 		cfg80211_stop_iface(sdata->local->hw.wiphy, &sdata->wdev,
3090 				    GFP_KERNEL);
3091 	}
3092 }
3093 
3094 void ieee80211_csa_finalize_work(struct work_struct *work)
3095 {
3096 	struct ieee80211_sub_if_data *sdata =
3097 		container_of(work, struct ieee80211_sub_if_data,
3098 			     csa_finalize_work);
3099 	struct ieee80211_local *local = sdata->local;
3100 
3101 	sdata_lock(sdata);
3102 	mutex_lock(&local->mtx);
3103 	mutex_lock(&local->chanctx_mtx);
3104 
3105 	/* AP might have been stopped while waiting for the lock. */
3106 	if (!sdata->vif.csa_active)
3107 		goto unlock;
3108 
3109 	if (!ieee80211_sdata_running(sdata))
3110 		goto unlock;
3111 
3112 	ieee80211_csa_finalize(sdata);
3113 
3114 unlock:
3115 	mutex_unlock(&local->chanctx_mtx);
3116 	mutex_unlock(&local->mtx);
3117 	sdata_unlock(sdata);
3118 }
3119 
3120 static int ieee80211_set_csa_beacon(struct ieee80211_sub_if_data *sdata,
3121 				    struct cfg80211_csa_settings *params,
3122 				    u32 *changed)
3123 {
3124 	struct ieee80211_csa_settings csa = {};
3125 	int err;
3126 
3127 	switch (sdata->vif.type) {
3128 	case NL80211_IFTYPE_AP:
3129 		sdata->u.ap.next_beacon =
3130 			cfg80211_beacon_dup(&params->beacon_after);
3131 		if (!sdata->u.ap.next_beacon)
3132 			return -ENOMEM;
3133 
3134 		/*
3135 		 * With a count of 0, we don't have to wait for any
3136 		 * TBTT before switching, so complete the CSA
3137 		 * immediately.  In theory, with a count == 1 we
3138 		 * should delay the switch until just before the next
3139 		 * TBTT, but that would complicate things so we switch
3140 		 * immediately too.  If we would delay the switch
3141 		 * until the next TBTT, we would have to set the probe
3142 		 * response here.
3143 		 *
3144 		 * TODO: A channel switch with count <= 1 without
3145 		 * sending a CSA action frame is kind of useless,
3146 		 * because the clients won't know we're changing
3147 		 * channels.  The action frame must be implemented
3148 		 * either here or in the userspace.
3149 		 */
3150 		if (params->count <= 1)
3151 			break;
3152 
3153 		if ((params->n_counter_offsets_beacon >
3154 		     IEEE80211_MAX_CSA_COUNTERS_NUM) ||
3155 		    (params->n_counter_offsets_presp >
3156 		     IEEE80211_MAX_CSA_COUNTERS_NUM))
3157 			return -EINVAL;
3158 
3159 		csa.counter_offsets_beacon = params->counter_offsets_beacon;
3160 		csa.counter_offsets_presp = params->counter_offsets_presp;
3161 		csa.n_counter_offsets_beacon = params->n_counter_offsets_beacon;
3162 		csa.n_counter_offsets_presp = params->n_counter_offsets_presp;
3163 		csa.count = params->count;
3164 
3165 		err = ieee80211_assign_beacon(sdata, &params->beacon_csa, &csa);
3166 		if (err < 0) {
3167 			kfree(sdata->u.ap.next_beacon);
3168 			return err;
3169 		}
3170 		*changed |= err;
3171 
3172 		break;
3173 	case NL80211_IFTYPE_ADHOC:
3174 		if (!sdata->vif.bss_conf.ibss_joined)
3175 			return -EINVAL;
3176 
3177 		if (params->chandef.width != sdata->u.ibss.chandef.width)
3178 			return -EINVAL;
3179 
3180 		switch (params->chandef.width) {
3181 		case NL80211_CHAN_WIDTH_40:
3182 			if (cfg80211_get_chandef_type(&params->chandef) !=
3183 			    cfg80211_get_chandef_type(&sdata->u.ibss.chandef))
3184 				return -EINVAL;
3185 		case NL80211_CHAN_WIDTH_5:
3186 		case NL80211_CHAN_WIDTH_10:
3187 		case NL80211_CHAN_WIDTH_20_NOHT:
3188 		case NL80211_CHAN_WIDTH_20:
3189 			break;
3190 		default:
3191 			return -EINVAL;
3192 		}
3193 
3194 		/* changes into another band are not supported */
3195 		if (sdata->u.ibss.chandef.chan->band !=
3196 		    params->chandef.chan->band)
3197 			return -EINVAL;
3198 
3199 		/* see comments in the NL80211_IFTYPE_AP block */
3200 		if (params->count > 1) {
3201 			err = ieee80211_ibss_csa_beacon(sdata, params);
3202 			if (err < 0)
3203 				return err;
3204 			*changed |= err;
3205 		}
3206 
3207 		ieee80211_send_action_csa(sdata, params);
3208 
3209 		break;
3210 #ifdef CONFIG_MAC80211_MESH
3211 	case NL80211_IFTYPE_MESH_POINT: {
3212 		struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
3213 
3214 		if (params->chandef.width != sdata->vif.bss_conf.chandef.width)
3215 			return -EINVAL;
3216 
3217 		/* changes into another band are not supported */
3218 		if (sdata->vif.bss_conf.chandef.chan->band !=
3219 		    params->chandef.chan->band)
3220 			return -EINVAL;
3221 
3222 		if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_NONE) {
3223 			ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_INIT;
3224 			if (!ifmsh->pre_value)
3225 				ifmsh->pre_value = 1;
3226 			else
3227 				ifmsh->pre_value++;
3228 		}
3229 
3230 		/* see comments in the NL80211_IFTYPE_AP block */
3231 		if (params->count > 1) {
3232 			err = ieee80211_mesh_csa_beacon(sdata, params);
3233 			if (err < 0) {
3234 				ifmsh->csa_role = IEEE80211_MESH_CSA_ROLE_NONE;
3235 				return err;
3236 			}
3237 			*changed |= err;
3238 		}
3239 
3240 		if (ifmsh->csa_role == IEEE80211_MESH_CSA_ROLE_INIT)
3241 			ieee80211_send_action_csa(sdata, params);
3242 
3243 		break;
3244 		}
3245 #endif
3246 	default:
3247 		return -EOPNOTSUPP;
3248 	}
3249 
3250 	return 0;
3251 }
3252 
3253 static int
3254 __ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3255 			   struct cfg80211_csa_settings *params)
3256 {
3257 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3258 	struct ieee80211_local *local = sdata->local;
3259 	struct ieee80211_channel_switch ch_switch;
3260 	struct ieee80211_chanctx_conf *conf;
3261 	struct ieee80211_chanctx *chanctx;
3262 	u32 changed = 0;
3263 	int err;
3264 
3265 	sdata_assert_lock(sdata);
3266 	lockdep_assert_held(&local->mtx);
3267 
3268 	if (!list_empty(&local->roc_list) || local->scanning)
3269 		return -EBUSY;
3270 
3271 	if (sdata->wdev.cac_started)
3272 		return -EBUSY;
3273 
3274 	if (cfg80211_chandef_identical(&params->chandef,
3275 				       &sdata->vif.bss_conf.chandef))
3276 		return -EINVAL;
3277 
3278 	/* don't allow another channel switch if one is already active. */
3279 	if (sdata->vif.csa_active)
3280 		return -EBUSY;
3281 
3282 	mutex_lock(&local->chanctx_mtx);
3283 	conf = rcu_dereference_protected(sdata->vif.chanctx_conf,
3284 					 lockdep_is_held(&local->chanctx_mtx));
3285 	if (!conf) {
3286 		err = -EBUSY;
3287 		goto out;
3288 	}
3289 
3290 	chanctx = container_of(conf, struct ieee80211_chanctx, conf);
3291 
3292 	ch_switch.timestamp = 0;
3293 	ch_switch.device_timestamp = 0;
3294 	ch_switch.block_tx = params->block_tx;
3295 	ch_switch.chandef = params->chandef;
3296 	ch_switch.count = params->count;
3297 
3298 	err = drv_pre_channel_switch(sdata, &ch_switch);
3299 	if (err)
3300 		goto out;
3301 
3302 	err = ieee80211_vif_reserve_chanctx(sdata, &params->chandef,
3303 					    chanctx->mode,
3304 					    params->radar_required);
3305 	if (err)
3306 		goto out;
3307 
3308 	/* if reservation is invalid then this will fail */
3309 	err = ieee80211_check_combinations(sdata, NULL, chanctx->mode, 0);
3310 	if (err) {
3311 		ieee80211_vif_unreserve_chanctx(sdata);
3312 		goto out;
3313 	}
3314 
3315 	err = ieee80211_set_csa_beacon(sdata, params, &changed);
3316 	if (err) {
3317 		ieee80211_vif_unreserve_chanctx(sdata);
3318 		goto out;
3319 	}
3320 
3321 	sdata->csa_chandef = params->chandef;
3322 	sdata->csa_block_tx = params->block_tx;
3323 	sdata->vif.csa_active = true;
3324 
3325 	if (sdata->csa_block_tx)
3326 		ieee80211_stop_vif_queues(local, sdata,
3327 					  IEEE80211_QUEUE_STOP_REASON_CSA);
3328 
3329 	cfg80211_ch_switch_started_notify(sdata->dev, &sdata->csa_chandef,
3330 					  params->count);
3331 
3332 	if (changed) {
3333 		ieee80211_bss_info_change_notify(sdata, changed);
3334 		drv_channel_switch_beacon(sdata, &params->chandef);
3335 	} else {
3336 		/* if the beacon didn't change, we can finalize immediately */
3337 		ieee80211_csa_finalize(sdata);
3338 	}
3339 
3340 out:
3341 	mutex_unlock(&local->chanctx_mtx);
3342 	return err;
3343 }
3344 
3345 int ieee80211_channel_switch(struct wiphy *wiphy, struct net_device *dev,
3346 			     struct cfg80211_csa_settings *params)
3347 {
3348 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3349 	struct ieee80211_local *local = sdata->local;
3350 	int err;
3351 
3352 	mutex_lock(&local->mtx);
3353 	err = __ieee80211_channel_switch(wiphy, dev, params);
3354 	mutex_unlock(&local->mtx);
3355 
3356 	return err;
3357 }
3358 
3359 u64 ieee80211_mgmt_tx_cookie(struct ieee80211_local *local)
3360 {
3361 	lockdep_assert_held(&local->mtx);
3362 
3363 	local->roc_cookie_counter++;
3364 
3365 	/* wow, you wrapped 64 bits ... more likely a bug */
3366 	if (WARN_ON(local->roc_cookie_counter == 0))
3367 		local->roc_cookie_counter++;
3368 
3369 	return local->roc_cookie_counter;
3370 }
3371 
3372 int ieee80211_attach_ack_skb(struct ieee80211_local *local, struct sk_buff *skb,
3373 			     u64 *cookie, gfp_t gfp)
3374 {
3375 	unsigned long spin_flags;
3376 	struct sk_buff *ack_skb;
3377 	int id;
3378 
3379 	ack_skb = skb_copy(skb, gfp);
3380 	if (!ack_skb)
3381 		return -ENOMEM;
3382 
3383 	spin_lock_irqsave(&local->ack_status_lock, spin_flags);
3384 	id = idr_alloc(&local->ack_status_frames, ack_skb,
3385 		       1, 0x2000, GFP_ATOMIC);
3386 	spin_unlock_irqrestore(&local->ack_status_lock, spin_flags);
3387 
3388 	if (id < 0) {
3389 		kfree_skb(ack_skb);
3390 		return -ENOMEM;
3391 	}
3392 
3393 	IEEE80211_SKB_CB(skb)->ack_frame_id = id;
3394 
3395 	*cookie = ieee80211_mgmt_tx_cookie(local);
3396 	IEEE80211_SKB_CB(ack_skb)->ack.cookie = *cookie;
3397 
3398 	return 0;
3399 }
3400 
3401 static void ieee80211_mgmt_frame_register(struct wiphy *wiphy,
3402 					  struct wireless_dev *wdev,
3403 					  u16 frame_type, bool reg)
3404 {
3405 	struct ieee80211_local *local = wiphy_priv(wiphy);
3406 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3407 
3408 	switch (frame_type) {
3409 	case IEEE80211_FTYPE_MGMT | IEEE80211_STYPE_PROBE_REQ:
3410 		if (reg) {
3411 			local->probe_req_reg++;
3412 			sdata->vif.probe_req_reg++;
3413 		} else {
3414 			if (local->probe_req_reg)
3415 				local->probe_req_reg--;
3416 
3417 			if (sdata->vif.probe_req_reg)
3418 				sdata->vif.probe_req_reg--;
3419 		}
3420 
3421 		if (!local->open_count)
3422 			break;
3423 
3424 		if (sdata->vif.probe_req_reg == 1)
3425 			drv_config_iface_filter(local, sdata, FIF_PROBE_REQ,
3426 						FIF_PROBE_REQ);
3427 		else if (sdata->vif.probe_req_reg == 0)
3428 			drv_config_iface_filter(local, sdata, 0,
3429 						FIF_PROBE_REQ);
3430 
3431 		ieee80211_configure_filter(local);
3432 		break;
3433 	default:
3434 		break;
3435 	}
3436 }
3437 
3438 static int ieee80211_set_antenna(struct wiphy *wiphy, u32 tx_ant, u32 rx_ant)
3439 {
3440 	struct ieee80211_local *local = wiphy_priv(wiphy);
3441 
3442 	if (local->started)
3443 		return -EOPNOTSUPP;
3444 
3445 	return drv_set_antenna(local, tx_ant, rx_ant);
3446 }
3447 
3448 static int ieee80211_get_antenna(struct wiphy *wiphy, u32 *tx_ant, u32 *rx_ant)
3449 {
3450 	struct ieee80211_local *local = wiphy_priv(wiphy);
3451 
3452 	return drv_get_antenna(local, tx_ant, rx_ant);
3453 }
3454 
3455 static int ieee80211_set_rekey_data(struct wiphy *wiphy,
3456 				    struct net_device *dev,
3457 				    struct cfg80211_gtk_rekey_data *data)
3458 {
3459 	struct ieee80211_local *local = wiphy_priv(wiphy);
3460 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3461 
3462 	if (!local->ops->set_rekey_data)
3463 		return -EOPNOTSUPP;
3464 
3465 	drv_set_rekey_data(local, sdata, data);
3466 
3467 	return 0;
3468 }
3469 
3470 static int ieee80211_probe_client(struct wiphy *wiphy, struct net_device *dev,
3471 				  const u8 *peer, u64 *cookie)
3472 {
3473 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3474 	struct ieee80211_local *local = sdata->local;
3475 	struct ieee80211_qos_hdr *nullfunc;
3476 	struct sk_buff *skb;
3477 	int size = sizeof(*nullfunc);
3478 	__le16 fc;
3479 	bool qos;
3480 	struct ieee80211_tx_info *info;
3481 	struct sta_info *sta;
3482 	struct ieee80211_chanctx_conf *chanctx_conf;
3483 	enum nl80211_band band;
3484 	int ret;
3485 
3486 	/* the lock is needed to assign the cookie later */
3487 	mutex_lock(&local->mtx);
3488 
3489 	rcu_read_lock();
3490 	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3491 	if (WARN_ON(!chanctx_conf)) {
3492 		ret = -EINVAL;
3493 		goto unlock;
3494 	}
3495 	band = chanctx_conf->def.chan->band;
3496 	sta = sta_info_get_bss(sdata, peer);
3497 	if (sta) {
3498 		qos = sta->sta.wme;
3499 	} else {
3500 		ret = -ENOLINK;
3501 		goto unlock;
3502 	}
3503 
3504 	if (qos) {
3505 		fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3506 				 IEEE80211_STYPE_QOS_NULLFUNC |
3507 				 IEEE80211_FCTL_FROMDS);
3508 	} else {
3509 		size -= 2;
3510 		fc = cpu_to_le16(IEEE80211_FTYPE_DATA |
3511 				 IEEE80211_STYPE_NULLFUNC |
3512 				 IEEE80211_FCTL_FROMDS);
3513 	}
3514 
3515 	skb = dev_alloc_skb(local->hw.extra_tx_headroom + size);
3516 	if (!skb) {
3517 		ret = -ENOMEM;
3518 		goto unlock;
3519 	}
3520 
3521 	skb->dev = dev;
3522 
3523 	skb_reserve(skb, local->hw.extra_tx_headroom);
3524 
3525 	nullfunc = skb_put(skb, size);
3526 	nullfunc->frame_control = fc;
3527 	nullfunc->duration_id = 0;
3528 	memcpy(nullfunc->addr1, sta->sta.addr, ETH_ALEN);
3529 	memcpy(nullfunc->addr2, sdata->vif.addr, ETH_ALEN);
3530 	memcpy(nullfunc->addr3, sdata->vif.addr, ETH_ALEN);
3531 	nullfunc->seq_ctrl = 0;
3532 
3533 	info = IEEE80211_SKB_CB(skb);
3534 
3535 	info->flags |= IEEE80211_TX_CTL_REQ_TX_STATUS |
3536 		       IEEE80211_TX_INTFL_NL80211_FRAME_TX;
3537 	info->band = band;
3538 
3539 	skb_set_queue_mapping(skb, IEEE80211_AC_VO);
3540 	skb->priority = 7;
3541 	if (qos)
3542 		nullfunc->qos_ctrl = cpu_to_le16(7);
3543 
3544 	ret = ieee80211_attach_ack_skb(local, skb, cookie, GFP_ATOMIC);
3545 	if (ret) {
3546 		kfree_skb(skb);
3547 		goto unlock;
3548 	}
3549 
3550 	local_bh_disable();
3551 	ieee80211_xmit(sdata, sta, skb, 0);
3552 	local_bh_enable();
3553 
3554 	ret = 0;
3555 unlock:
3556 	rcu_read_unlock();
3557 	mutex_unlock(&local->mtx);
3558 
3559 	return ret;
3560 }
3561 
3562 static int ieee80211_cfg_get_channel(struct wiphy *wiphy,
3563 				     struct wireless_dev *wdev,
3564 				     struct cfg80211_chan_def *chandef)
3565 {
3566 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3567 	struct ieee80211_local *local = wiphy_priv(wiphy);
3568 	struct ieee80211_chanctx_conf *chanctx_conf;
3569 	int ret = -ENODATA;
3570 
3571 	rcu_read_lock();
3572 	chanctx_conf = rcu_dereference(sdata->vif.chanctx_conf);
3573 	if (chanctx_conf) {
3574 		*chandef = sdata->vif.bss_conf.chandef;
3575 		ret = 0;
3576 	} else if (local->open_count > 0 &&
3577 		   local->open_count == local->monitors &&
3578 		   sdata->vif.type == NL80211_IFTYPE_MONITOR) {
3579 		if (local->use_chanctx)
3580 			*chandef = local->monitor_chandef;
3581 		else
3582 			*chandef = local->_oper_chandef;
3583 		ret = 0;
3584 	}
3585 	rcu_read_unlock();
3586 
3587 	return ret;
3588 }
3589 
3590 #ifdef CONFIG_PM
3591 static void ieee80211_set_wakeup(struct wiphy *wiphy, bool enabled)
3592 {
3593 	drv_set_wakeup(wiphy_priv(wiphy), enabled);
3594 }
3595 #endif
3596 
3597 static int ieee80211_set_qos_map(struct wiphy *wiphy,
3598 				 struct net_device *dev,
3599 				 struct cfg80211_qos_map *qos_map)
3600 {
3601 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3602 	struct mac80211_qos_map *new_qos_map, *old_qos_map;
3603 
3604 	if (qos_map) {
3605 		new_qos_map = kzalloc(sizeof(*new_qos_map), GFP_KERNEL);
3606 		if (!new_qos_map)
3607 			return -ENOMEM;
3608 		memcpy(&new_qos_map->qos_map, qos_map, sizeof(*qos_map));
3609 	} else {
3610 		/* A NULL qos_map was passed to disable QoS mapping */
3611 		new_qos_map = NULL;
3612 	}
3613 
3614 	old_qos_map = sdata_dereference(sdata->qos_map, sdata);
3615 	rcu_assign_pointer(sdata->qos_map, new_qos_map);
3616 	if (old_qos_map)
3617 		kfree_rcu(old_qos_map, rcu_head);
3618 
3619 	return 0;
3620 }
3621 
3622 static int ieee80211_set_ap_chanwidth(struct wiphy *wiphy,
3623 				      struct net_device *dev,
3624 				      struct cfg80211_chan_def *chandef)
3625 {
3626 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3627 	int ret;
3628 	u32 changed = 0;
3629 
3630 	ret = ieee80211_vif_change_bandwidth(sdata, chandef, &changed);
3631 	if (ret == 0)
3632 		ieee80211_bss_info_change_notify(sdata, changed);
3633 
3634 	return ret;
3635 }
3636 
3637 static int ieee80211_add_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3638 			       u8 tsid, const u8 *peer, u8 up,
3639 			       u16 admitted_time)
3640 {
3641 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3642 	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3643 	int ac = ieee802_1d_to_ac[up];
3644 
3645 	if (sdata->vif.type != NL80211_IFTYPE_STATION)
3646 		return -EOPNOTSUPP;
3647 
3648 	if (!(sdata->wmm_acm & BIT(up)))
3649 		return -EINVAL;
3650 
3651 	if (ifmgd->tx_tspec[ac].admitted_time)
3652 		return -EBUSY;
3653 
3654 	if (admitted_time) {
3655 		ifmgd->tx_tspec[ac].admitted_time = 32 * admitted_time;
3656 		ifmgd->tx_tspec[ac].tsid = tsid;
3657 		ifmgd->tx_tspec[ac].up = up;
3658 	}
3659 
3660 	return 0;
3661 }
3662 
3663 static int ieee80211_del_tx_ts(struct wiphy *wiphy, struct net_device *dev,
3664 			       u8 tsid, const u8 *peer)
3665 {
3666 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3667 	struct ieee80211_if_managed *ifmgd = &sdata->u.mgd;
3668 	struct ieee80211_local *local = wiphy_priv(wiphy);
3669 	int ac;
3670 
3671 	for (ac = 0; ac < IEEE80211_NUM_ACS; ac++) {
3672 		struct ieee80211_sta_tx_tspec *tx_tspec = &ifmgd->tx_tspec[ac];
3673 
3674 		/* skip unused entries */
3675 		if (!tx_tspec->admitted_time)
3676 			continue;
3677 
3678 		if (tx_tspec->tsid != tsid)
3679 			continue;
3680 
3681 		/* due to this new packets will be reassigned to non-ACM ACs */
3682 		tx_tspec->up = -1;
3683 
3684 		/* Make sure that all packets have been sent to avoid to
3685 		 * restore the QoS params on packets that are still on the
3686 		 * queues.
3687 		 */
3688 		synchronize_net();
3689 		ieee80211_flush_queues(local, sdata, false);
3690 
3691 		/* restore the normal QoS parameters
3692 		 * (unconditionally to avoid races)
3693 		 */
3694 		tx_tspec->action = TX_TSPEC_ACTION_STOP_DOWNGRADE;
3695 		tx_tspec->downgraded = false;
3696 		ieee80211_sta_handle_tspec_ac_params(sdata);
3697 
3698 		/* finally clear all the data */
3699 		memset(tx_tspec, 0, sizeof(*tx_tspec));
3700 
3701 		return 0;
3702 	}
3703 
3704 	return -ENOENT;
3705 }
3706 
3707 void ieee80211_nan_func_terminated(struct ieee80211_vif *vif,
3708 				   u8 inst_id,
3709 				   enum nl80211_nan_func_term_reason reason,
3710 				   gfp_t gfp)
3711 {
3712 	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3713 	struct cfg80211_nan_func *func;
3714 	u64 cookie;
3715 
3716 	if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3717 		return;
3718 
3719 	spin_lock_bh(&sdata->u.nan.func_lock);
3720 
3721 	func = idr_find(&sdata->u.nan.function_inst_ids, inst_id);
3722 	if (WARN_ON(!func)) {
3723 		spin_unlock_bh(&sdata->u.nan.func_lock);
3724 		return;
3725 	}
3726 
3727 	cookie = func->cookie;
3728 	idr_remove(&sdata->u.nan.function_inst_ids, inst_id);
3729 
3730 	spin_unlock_bh(&sdata->u.nan.func_lock);
3731 
3732 	cfg80211_free_nan_func(func);
3733 
3734 	cfg80211_nan_func_terminated(ieee80211_vif_to_wdev(vif), inst_id,
3735 				     reason, cookie, gfp);
3736 }
3737 EXPORT_SYMBOL(ieee80211_nan_func_terminated);
3738 
3739 void ieee80211_nan_func_match(struct ieee80211_vif *vif,
3740 			      struct cfg80211_nan_match_params *match,
3741 			      gfp_t gfp)
3742 {
3743 	struct ieee80211_sub_if_data *sdata = vif_to_sdata(vif);
3744 	struct cfg80211_nan_func *func;
3745 
3746 	if (WARN_ON(vif->type != NL80211_IFTYPE_NAN))
3747 		return;
3748 
3749 	spin_lock_bh(&sdata->u.nan.func_lock);
3750 
3751 	func = idr_find(&sdata->u.nan.function_inst_ids,  match->inst_id);
3752 	if (WARN_ON(!func)) {
3753 		spin_unlock_bh(&sdata->u.nan.func_lock);
3754 		return;
3755 	}
3756 	match->cookie = func->cookie;
3757 
3758 	spin_unlock_bh(&sdata->u.nan.func_lock);
3759 
3760 	cfg80211_nan_match(ieee80211_vif_to_wdev(vif), match, gfp);
3761 }
3762 EXPORT_SYMBOL(ieee80211_nan_func_match);
3763 
3764 static int ieee80211_set_multicast_to_unicast(struct wiphy *wiphy,
3765 					      struct net_device *dev,
3766 					      const bool enabled)
3767 {
3768 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3769 
3770 	sdata->u.ap.multicast_to_unicast = enabled;
3771 
3772 	return 0;
3773 }
3774 
3775 void ieee80211_fill_txq_stats(struct cfg80211_txq_stats *txqstats,
3776 			      struct txq_info *txqi)
3777 {
3778 	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_BYTES))) {
3779 		txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_BYTES);
3780 		txqstats->backlog_bytes = txqi->tin.backlog_bytes;
3781 	}
3782 
3783 	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS))) {
3784 		txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS);
3785 		txqstats->backlog_packets = txqi->tin.backlog_packets;
3786 	}
3787 
3788 	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_FLOWS))) {
3789 		txqstats->filled |= BIT(NL80211_TXQ_STATS_FLOWS);
3790 		txqstats->flows = txqi->tin.flows;
3791 	}
3792 
3793 	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_DROPS))) {
3794 		txqstats->filled |= BIT(NL80211_TXQ_STATS_DROPS);
3795 		txqstats->drops = txqi->cstats.drop_count;
3796 	}
3797 
3798 	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_ECN_MARKS))) {
3799 		txqstats->filled |= BIT(NL80211_TXQ_STATS_ECN_MARKS);
3800 		txqstats->ecn_marks = txqi->cstats.ecn_mark;
3801 	}
3802 
3803 	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_OVERLIMIT))) {
3804 		txqstats->filled |= BIT(NL80211_TXQ_STATS_OVERLIMIT);
3805 		txqstats->overlimit = txqi->tin.overlimit;
3806 	}
3807 
3808 	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_COLLISIONS))) {
3809 		txqstats->filled |= BIT(NL80211_TXQ_STATS_COLLISIONS);
3810 		txqstats->collisions = txqi->tin.collisions;
3811 	}
3812 
3813 	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_BYTES))) {
3814 		txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_BYTES);
3815 		txqstats->tx_bytes = txqi->tin.tx_bytes;
3816 	}
3817 
3818 	if (!(txqstats->filled & BIT(NL80211_TXQ_STATS_TX_PACKETS))) {
3819 		txqstats->filled |= BIT(NL80211_TXQ_STATS_TX_PACKETS);
3820 		txqstats->tx_packets = txqi->tin.tx_packets;
3821 	}
3822 }
3823 
3824 static int ieee80211_get_txq_stats(struct wiphy *wiphy,
3825 				   struct wireless_dev *wdev,
3826 				   struct cfg80211_txq_stats *txqstats)
3827 {
3828 	struct ieee80211_local *local = wiphy_priv(wiphy);
3829 	struct ieee80211_sub_if_data *sdata;
3830 	int ret = 0;
3831 
3832 	if (!local->ops->wake_tx_queue)
3833 		return 1;
3834 
3835 	spin_lock_bh(&local->fq.lock);
3836 	rcu_read_lock();
3837 
3838 	if (wdev) {
3839 		sdata = IEEE80211_WDEV_TO_SUB_IF(wdev);
3840 		if (!sdata->vif.txq) {
3841 			ret = 1;
3842 			goto out;
3843 		}
3844 		ieee80211_fill_txq_stats(txqstats, to_txq_info(sdata->vif.txq));
3845 	} else {
3846 		/* phy stats */
3847 		txqstats->filled |= BIT(NL80211_TXQ_STATS_BACKLOG_PACKETS) |
3848 				    BIT(NL80211_TXQ_STATS_BACKLOG_BYTES) |
3849 				    BIT(NL80211_TXQ_STATS_OVERLIMIT) |
3850 				    BIT(NL80211_TXQ_STATS_OVERMEMORY) |
3851 				    BIT(NL80211_TXQ_STATS_COLLISIONS) |
3852 				    BIT(NL80211_TXQ_STATS_MAX_FLOWS);
3853 		txqstats->backlog_packets = local->fq.backlog;
3854 		txqstats->backlog_bytes = local->fq.memory_usage;
3855 		txqstats->overlimit = local->fq.overlimit;
3856 		txqstats->overmemory = local->fq.overmemory;
3857 		txqstats->collisions = local->fq.collisions;
3858 		txqstats->max_flows = local->fq.flows_cnt;
3859 	}
3860 
3861 out:
3862 	rcu_read_unlock();
3863 	spin_unlock_bh(&local->fq.lock);
3864 
3865 	return ret;
3866 }
3867 
3868 static int
3869 ieee80211_get_ftm_responder_stats(struct wiphy *wiphy,
3870 				  struct net_device *dev,
3871 				  struct cfg80211_ftm_responder_stats *ftm_stats)
3872 {
3873 	struct ieee80211_local *local = wiphy_priv(wiphy);
3874 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3875 
3876 	return drv_get_ftm_responder_stats(local, sdata, ftm_stats);
3877 }
3878 
3879 static int
3880 ieee80211_start_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3881 		     struct cfg80211_pmsr_request *request)
3882 {
3883 	struct ieee80211_local *local = wiphy_priv(wiphy);
3884 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3885 
3886 	return drv_start_pmsr(local, sdata, request);
3887 }
3888 
3889 static void
3890 ieee80211_abort_pmsr(struct wiphy *wiphy, struct wireless_dev *dev,
3891 		     struct cfg80211_pmsr_request *request)
3892 {
3893 	struct ieee80211_local *local = wiphy_priv(wiphy);
3894 	struct ieee80211_sub_if_data *sdata = IEEE80211_WDEV_TO_SUB_IF(dev);
3895 
3896 	return drv_abort_pmsr(local, sdata, request);
3897 }
3898 
3899 static int ieee80211_set_tid_config(struct wiphy *wiphy,
3900 				    struct net_device *dev,
3901 				    struct cfg80211_tid_config *tid_conf)
3902 {
3903 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3904 	struct sta_info *sta;
3905 	int ret;
3906 
3907 	if (!sdata->local->ops->set_tid_config)
3908 		return -EOPNOTSUPP;
3909 
3910 	if (!tid_conf->peer)
3911 		return drv_set_tid_config(sdata->local, sdata, NULL, tid_conf);
3912 
3913 	mutex_lock(&sdata->local->sta_mtx);
3914 	sta = sta_info_get_bss(sdata, tid_conf->peer);
3915 	if (!sta) {
3916 		mutex_unlock(&sdata->local->sta_mtx);
3917 		return -ENOENT;
3918 	}
3919 
3920 	ret = drv_set_tid_config(sdata->local, sdata, &sta->sta, tid_conf);
3921 	mutex_unlock(&sdata->local->sta_mtx);
3922 
3923 	return ret;
3924 }
3925 
3926 static int ieee80211_reset_tid_config(struct wiphy *wiphy,
3927 				      struct net_device *dev,
3928 				      const u8 *peer, u8 tid)
3929 {
3930 	struct ieee80211_sub_if_data *sdata = IEEE80211_DEV_TO_SUB_IF(dev);
3931 	struct sta_info *sta;
3932 	int ret;
3933 
3934 	if (!sdata->local->ops->reset_tid_config)
3935 		return -EOPNOTSUPP;
3936 
3937 	if (!peer)
3938 		return drv_reset_tid_config(sdata->local, sdata, NULL, tid);
3939 
3940 	mutex_lock(&sdata->local->sta_mtx);
3941 	sta = sta_info_get_bss(sdata, peer);
3942 	if (!sta) {
3943 		mutex_unlock(&sdata->local->sta_mtx);
3944 		return -ENOENT;
3945 	}
3946 
3947 	ret = drv_reset_tid_config(sdata->local, sdata, &sta->sta, tid);
3948 	mutex_unlock(&sdata->local->sta_mtx);
3949 
3950 	return ret;
3951 }
3952 
3953 const struct cfg80211_ops mac80211_config_ops = {
3954 	.add_virtual_intf = ieee80211_add_iface,
3955 	.del_virtual_intf = ieee80211_del_iface,
3956 	.change_virtual_intf = ieee80211_change_iface,
3957 	.start_p2p_device = ieee80211_start_p2p_device,
3958 	.stop_p2p_device = ieee80211_stop_p2p_device,
3959 	.add_key = ieee80211_add_key,
3960 	.del_key = ieee80211_del_key,
3961 	.get_key = ieee80211_get_key,
3962 	.set_default_key = ieee80211_config_default_key,
3963 	.set_default_mgmt_key = ieee80211_config_default_mgmt_key,
3964 	.set_default_beacon_key = ieee80211_config_default_beacon_key,
3965 	.start_ap = ieee80211_start_ap,
3966 	.change_beacon = ieee80211_change_beacon,
3967 	.stop_ap = ieee80211_stop_ap,
3968 	.add_station = ieee80211_add_station,
3969 	.del_station = ieee80211_del_station,
3970 	.change_station = ieee80211_change_station,
3971 	.get_station = ieee80211_get_station,
3972 	.dump_station = ieee80211_dump_station,
3973 	.dump_survey = ieee80211_dump_survey,
3974 #ifdef CONFIG_MAC80211_MESH
3975 	.add_mpath = ieee80211_add_mpath,
3976 	.del_mpath = ieee80211_del_mpath,
3977 	.change_mpath = ieee80211_change_mpath,
3978 	.get_mpath = ieee80211_get_mpath,
3979 	.dump_mpath = ieee80211_dump_mpath,
3980 	.get_mpp = ieee80211_get_mpp,
3981 	.dump_mpp = ieee80211_dump_mpp,
3982 	.update_mesh_config = ieee80211_update_mesh_config,
3983 	.get_mesh_config = ieee80211_get_mesh_config,
3984 	.join_mesh = ieee80211_join_mesh,
3985 	.leave_mesh = ieee80211_leave_mesh,
3986 #endif
3987 	.join_ocb = ieee80211_join_ocb,
3988 	.leave_ocb = ieee80211_leave_ocb,
3989 	.change_bss = ieee80211_change_bss,
3990 	.set_txq_params = ieee80211_set_txq_params,
3991 	.set_monitor_channel = ieee80211_set_monitor_channel,
3992 	.suspend = ieee80211_suspend,
3993 	.resume = ieee80211_resume,
3994 	.scan = ieee80211_scan,
3995 	.abort_scan = ieee80211_abort_scan,
3996 	.sched_scan_start = ieee80211_sched_scan_start,
3997 	.sched_scan_stop = ieee80211_sched_scan_stop,
3998 	.auth = ieee80211_auth,
3999 	.assoc = ieee80211_assoc,
4000 	.deauth = ieee80211_deauth,
4001 	.disassoc = ieee80211_disassoc,
4002 	.join_ibss = ieee80211_join_ibss,
4003 	.leave_ibss = ieee80211_leave_ibss,
4004 	.set_mcast_rate = ieee80211_set_mcast_rate,
4005 	.set_wiphy_params = ieee80211_set_wiphy_params,
4006 	.set_tx_power = ieee80211_set_tx_power,
4007 	.get_tx_power = ieee80211_get_tx_power,
4008 	.set_wds_peer = ieee80211_set_wds_peer,
4009 	.rfkill_poll = ieee80211_rfkill_poll,
4010 	CFG80211_TESTMODE_CMD(ieee80211_testmode_cmd)
4011 	CFG80211_TESTMODE_DUMP(ieee80211_testmode_dump)
4012 	.set_power_mgmt = ieee80211_set_power_mgmt,
4013 	.set_bitrate_mask = ieee80211_set_bitrate_mask,
4014 	.remain_on_channel = ieee80211_remain_on_channel,
4015 	.cancel_remain_on_channel = ieee80211_cancel_remain_on_channel,
4016 	.mgmt_tx = ieee80211_mgmt_tx,
4017 	.mgmt_tx_cancel_wait = ieee80211_mgmt_tx_cancel_wait,
4018 	.set_cqm_rssi_config = ieee80211_set_cqm_rssi_config,
4019 	.set_cqm_rssi_range_config = ieee80211_set_cqm_rssi_range_config,
4020 	.mgmt_frame_register = ieee80211_mgmt_frame_register,
4021 	.set_antenna = ieee80211_set_antenna,
4022 	.get_antenna = ieee80211_get_antenna,
4023 	.set_rekey_data = ieee80211_set_rekey_data,
4024 	.tdls_oper = ieee80211_tdls_oper,
4025 	.tdls_mgmt = ieee80211_tdls_mgmt,
4026 	.tdls_channel_switch = ieee80211_tdls_channel_switch,
4027 	.tdls_cancel_channel_switch = ieee80211_tdls_cancel_channel_switch,
4028 	.probe_client = ieee80211_probe_client,
4029 	.set_noack_map = ieee80211_set_noack_map,
4030 #ifdef CONFIG_PM
4031 	.set_wakeup = ieee80211_set_wakeup,
4032 #endif
4033 	.get_channel = ieee80211_cfg_get_channel,
4034 	.start_radar_detection = ieee80211_start_radar_detection,
4035 	.end_cac = ieee80211_end_cac,
4036 	.channel_switch = ieee80211_channel_switch,
4037 	.set_qos_map = ieee80211_set_qos_map,
4038 	.set_ap_chanwidth = ieee80211_set_ap_chanwidth,
4039 	.add_tx_ts = ieee80211_add_tx_ts,
4040 	.del_tx_ts = ieee80211_del_tx_ts,
4041 	.start_nan = ieee80211_start_nan,
4042 	.stop_nan = ieee80211_stop_nan,
4043 	.nan_change_conf = ieee80211_nan_change_conf,
4044 	.add_nan_func = ieee80211_add_nan_func,
4045 	.del_nan_func = ieee80211_del_nan_func,
4046 	.set_multicast_to_unicast = ieee80211_set_multicast_to_unicast,
4047 	.tx_control_port = ieee80211_tx_control_port,
4048 	.get_txq_stats = ieee80211_get_txq_stats,
4049 	.get_ftm_responder_stats = ieee80211_get_ftm_responder_stats,
4050 	.start_pmsr = ieee80211_start_pmsr,
4051 	.abort_pmsr = ieee80211_abort_pmsr,
4052 	.probe_mesh_link = ieee80211_probe_mesh_link,
4053 	.set_tid_config = ieee80211_set_tid_config,
4054 	.reset_tid_config = ieee80211_reset_tid_config,
4055 };
4056