1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3 * Wireless configuration interface internals.
4 *
5 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
6 * Copyright (C) 2018-2022 Intel Corporation
7 */
8 #ifndef __NET_WIRELESS_CORE_H
9 #define __NET_WIRELESS_CORE_H
10 #include <linux/list.h>
11 #include <linux/netdevice.h>
12 #include <linux/rbtree.h>
13 #include <linux/debugfs.h>
14 #include <linux/rfkill.h>
15 #include <linux/workqueue.h>
16 #include <linux/rtnetlink.h>
17 #include <net/genetlink.h>
18 #include <net/cfg80211.h>
19 #include "reg.h"
20
21
22 #define WIPHY_IDX_INVALID -1
23
24 struct cfg80211_registered_device {
25 const struct cfg80211_ops *ops;
26 struct list_head list;
27
28 /* rfkill support */
29 struct rfkill_ops rfkill_ops;
30 struct work_struct rfkill_block;
31
32 /* ISO / IEC 3166 alpha2 for which this device is receiving
33 * country IEs on, this can help disregard country IEs from APs
34 * on the same alpha2 quickly. The alpha2 may differ from
35 * cfg80211_regdomain's alpha2 when an intersection has occurred.
36 * If the AP is reconfigured this can also be used to tell us if
37 * the country on the country IE changed. */
38 char country_ie_alpha2[2];
39
40 /*
41 * the driver requests the regulatory core to set this regulatory
42 * domain as the wiphy's. Only used for %REGULATORY_WIPHY_SELF_MANAGED
43 * devices using the regulatory_set_wiphy_regd() API
44 */
45 const struct ieee80211_regdomain *requested_regd;
46
47 /* If a Country IE has been received this tells us the environment
48 * which its telling us its in. This defaults to ENVIRON_ANY */
49 enum environment_cap env;
50
51 /* wiphy index, internal only */
52 int wiphy_idx;
53
54 /* protected by RTNL */
55 int devlist_generation, wdev_id;
56 int opencount;
57 wait_queue_head_t dev_wait;
58
59 struct list_head beacon_registrations;
60 spinlock_t beacon_registrations_lock;
61
62 /* protected by RTNL only */
63 int num_running_ifaces;
64 int num_running_monitor_ifaces;
65 u64 cookie_counter;
66
67 /* BSSes/scanning */
68 spinlock_t bss_lock;
69 struct list_head bss_list;
70 struct rb_root bss_tree;
71 u32 bss_generation;
72 u32 bss_entries;
73 struct cfg80211_scan_request *scan_req; /* protected by RTNL */
74 struct cfg80211_scan_request *int_scan_req;
75 struct sk_buff *scan_msg;
76 struct list_head sched_scan_req_list;
77 time64_t suspend_at;
78 struct wiphy_work scan_done_wk;
79
80 struct genl_info *cur_cmd_info;
81
82 struct work_struct conn_work;
83 struct work_struct event_work;
84
85 struct delayed_work dfs_update_channels_wk;
86
87 struct wireless_dev *background_radar_wdev;
88 struct cfg80211_chan_def background_radar_chandef;
89 struct delayed_work background_cac_done_wk;
90 struct work_struct background_cac_abort_wk;
91
92 /* netlink port which started critical protocol (0 means not started) */
93 u32 crit_proto_nlportid;
94
95 struct cfg80211_coalesce *coalesce;
96
97 struct work_struct destroy_work;
98 struct wiphy_work sched_scan_stop_wk;
99 struct work_struct sched_scan_res_wk;
100
101 struct cfg80211_chan_def radar_chandef;
102 struct work_struct propagate_radar_detect_wk;
103
104 struct cfg80211_chan_def cac_done_chandef;
105 struct work_struct propagate_cac_done_wk;
106
107 struct work_struct mgmt_registrations_update_wk;
108 /* lock for all wdev lists */
109 spinlock_t mgmt_registrations_lock;
110
111 struct work_struct wiphy_work;
112 struct list_head wiphy_work_list;
113 /* protects the list above */
114 spinlock_t wiphy_work_lock;
115 bool suspended;
116
117 /* must be last because of the way we do wiphy_priv(),
118 * and it should at least be aligned to NETDEV_ALIGN */
119 struct wiphy wiphy __aligned(NETDEV_ALIGN);
120 };
121
122 static inline
wiphy_to_rdev(struct wiphy * wiphy)123 struct cfg80211_registered_device *wiphy_to_rdev(struct wiphy *wiphy)
124 {
125 BUG_ON(!wiphy);
126 return container_of(wiphy, struct cfg80211_registered_device, wiphy);
127 }
128
129 static inline void
cfg80211_rdev_free_wowlan(struct cfg80211_registered_device * rdev)130 cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev)
131 {
132 #ifdef CONFIG_PM
133 int i;
134
135 if (!rdev->wiphy.wowlan_config)
136 return;
137 for (i = 0; i < rdev->wiphy.wowlan_config->n_patterns; i++)
138 kfree(rdev->wiphy.wowlan_config->patterns[i].mask);
139 kfree(rdev->wiphy.wowlan_config->patterns);
140 if (rdev->wiphy.wowlan_config->tcp &&
141 rdev->wiphy.wowlan_config->tcp->sock)
142 sock_release(rdev->wiphy.wowlan_config->tcp->sock);
143 kfree(rdev->wiphy.wowlan_config->tcp);
144 kfree(rdev->wiphy.wowlan_config->nd_config);
145 kfree(rdev->wiphy.wowlan_config);
146 #endif
147 }
148
cfg80211_assign_cookie(struct cfg80211_registered_device * rdev)149 static inline u64 cfg80211_assign_cookie(struct cfg80211_registered_device *rdev)
150 {
151 u64 r = ++rdev->cookie_counter;
152
153 if (WARN_ON(r == 0))
154 r = ++rdev->cookie_counter;
155
156 return r;
157 }
158
159 extern struct workqueue_struct *cfg80211_wq;
160 extern struct list_head cfg80211_rdev_list;
161 extern int cfg80211_rdev_list_generation;
162
163 struct cfg80211_internal_bss {
164 struct list_head list;
165 struct list_head hidden_list;
166 struct rb_node rbn;
167 u64 ts_boottime;
168 unsigned long ts;
169 unsigned long refcount;
170 atomic_t hold;
171
172 /* time at the start of the reception of the first octet of the
173 * timestamp field of the last beacon/probe received for this BSS.
174 * The time is the TSF of the BSS specified by %parent_bssid.
175 */
176 u64 parent_tsf;
177
178 /* the BSS according to which %parent_tsf is set. This is set to
179 * the BSS that the interface that requested the scan was connected to
180 * when the beacon/probe was received.
181 */
182 u8 parent_bssid[ETH_ALEN] __aligned(2);
183
184 /* must be last because of priv member */
185 struct cfg80211_bss pub;
186 };
187
bss_from_pub(struct cfg80211_bss * pub)188 static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub)
189 {
190 return container_of(pub, struct cfg80211_internal_bss, pub);
191 }
192
cfg80211_hold_bss(struct cfg80211_internal_bss * bss)193 static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss)
194 {
195 atomic_inc(&bss->hold);
196 if (bss->pub.transmitted_bss) {
197 bss = container_of(bss->pub.transmitted_bss,
198 struct cfg80211_internal_bss, pub);
199 atomic_inc(&bss->hold);
200 }
201 }
202
cfg80211_unhold_bss(struct cfg80211_internal_bss * bss)203 static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss)
204 {
205 int r = atomic_dec_return(&bss->hold);
206 WARN_ON(r < 0);
207 if (bss->pub.transmitted_bss) {
208 bss = container_of(bss->pub.transmitted_bss,
209 struct cfg80211_internal_bss, pub);
210 r = atomic_dec_return(&bss->hold);
211 WARN_ON(r < 0);
212 }
213 }
214
215
216 struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx);
217 int get_wiphy_idx(struct wiphy *wiphy);
218
219 struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
220
221 int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
222 struct net *net);
223
224 void cfg80211_init_wdev(struct wireless_dev *wdev);
225 void cfg80211_register_wdev(struct cfg80211_registered_device *rdev,
226 struct wireless_dev *wdev);
227
wdev_lock(struct wireless_dev * wdev)228 static inline void wdev_lock(struct wireless_dev *wdev)
229 __acquires(wdev)
230 {
231 mutex_lock(&wdev->mtx);
232 __acquire(wdev->mtx);
233 }
234
wdev_unlock(struct wireless_dev * wdev)235 static inline void wdev_unlock(struct wireless_dev *wdev)
236 __releases(wdev)
237 {
238 __release(wdev->mtx);
239 mutex_unlock(&wdev->mtx);
240 }
241
242 #define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx)
243
cfg80211_has_monitors_only(struct cfg80211_registered_device * rdev)244 static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev)
245 {
246 lockdep_assert_held(&rdev->wiphy.mtx);
247
248 return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces &&
249 rdev->num_running_ifaces > 0;
250 }
251
252 enum cfg80211_event_type {
253 EVENT_CONNECT_RESULT,
254 EVENT_ROAMED,
255 EVENT_DISCONNECTED,
256 EVENT_IBSS_JOINED,
257 EVENT_STOPPED,
258 EVENT_PORT_AUTHORIZED,
259 };
260
261 struct cfg80211_event {
262 struct list_head list;
263 enum cfg80211_event_type type;
264
265 union {
266 struct cfg80211_connect_resp_params cr;
267 struct cfg80211_roam_info rm;
268 struct {
269 const u8 *ie;
270 size_t ie_len;
271 u16 reason;
272 bool locally_generated;
273 } dc;
274 struct {
275 u8 bssid[ETH_ALEN];
276 struct ieee80211_channel *channel;
277 } ij;
278 struct {
279 u8 bssid[ETH_ALEN];
280 const u8 *td_bitmap;
281 u8 td_bitmap_len;
282 } pa;
283 };
284 };
285
286 struct cfg80211_cached_keys {
287 struct key_params params[4];
288 u8 data[4][WLAN_KEY_LEN_WEP104];
289 int def;
290 };
291
292 struct cfg80211_beacon_registration {
293 struct list_head list;
294 u32 nlportid;
295 };
296
297 struct cfg80211_cqm_config {
298 struct rcu_head rcu_head;
299 u32 rssi_hyst;
300 s32 last_rssi_event_value;
301 enum nl80211_cqm_rssi_threshold_event last_rssi_event_type;
302 int n_rssi_thresholds;
303 s32 rssi_thresholds[] __counted_by(n_rssi_thresholds);
304 };
305
306 void cfg80211_cqm_rssi_notify_work(struct wiphy *wiphy,
307 struct wiphy_work *work);
308
309 void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev);
310
311 /* free object */
312 void cfg80211_dev_free(struct cfg80211_registered_device *rdev);
313
314 int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
315 char *newname);
316
317 void ieee80211_set_bitrate_flags(struct wiphy *wiphy);
318
319 void cfg80211_bss_expire(struct cfg80211_registered_device *rdev);
320 void cfg80211_bss_age(struct cfg80211_registered_device *rdev,
321 unsigned long age_secs);
322 void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev,
323 unsigned int link,
324 struct ieee80211_channel *channel);
325
326 /* IBSS */
327 int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
328 struct net_device *dev,
329 struct cfg80211_ibss_params *params,
330 struct cfg80211_cached_keys *connkeys);
331 void cfg80211_clear_ibss(struct net_device *dev, bool nowext);
332 int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
333 struct net_device *dev, bool nowext);
334 int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
335 struct net_device *dev, bool nowext);
336 void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
337 struct ieee80211_channel *channel);
338 int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
339 struct wireless_dev *wdev);
340
341 /* mesh */
342 extern const struct mesh_config default_mesh_config;
343 extern const struct mesh_setup default_mesh_setup;
344 int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
345 struct net_device *dev,
346 struct mesh_setup *setup,
347 const struct mesh_config *conf);
348 int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
349 struct net_device *dev);
350 int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
351 struct net_device *dev);
352 int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev,
353 struct wireless_dev *wdev,
354 struct cfg80211_chan_def *chandef);
355
356 /* OCB */
357 int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
358 struct net_device *dev,
359 struct ocb_setup *setup);
360 int cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
361 struct net_device *dev,
362 struct ocb_setup *setup);
363 int __cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
364 struct net_device *dev);
365 int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
366 struct net_device *dev);
367
368 /* AP */
369 int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
370 struct net_device *dev, int link,
371 bool notify);
372 int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
373 struct net_device *dev, int link,
374 bool notify);
375
376 /* MLME */
377 int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
378 struct net_device *dev,
379 struct cfg80211_auth_request *req);
380 int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
381 struct net_device *dev,
382 struct cfg80211_assoc_request *req);
383 int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
384 struct net_device *dev, const u8 *bssid,
385 const u8 *ie, int ie_len, u16 reason,
386 bool local_state_change);
387 int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
388 struct net_device *dev, const u8 *ap_addr,
389 const u8 *ie, int ie_len, u16 reason,
390 bool local_state_change);
391 void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
392 struct net_device *dev);
393 int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
394 u16 frame_type, const u8 *match_data,
395 int match_len, bool multicast_rx,
396 struct netlink_ext_ack *extack);
397 void cfg80211_mgmt_registrations_update_wk(struct work_struct *wk);
398 void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid);
399 void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev);
400 int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
401 struct wireless_dev *wdev,
402 struct cfg80211_mgmt_tx_params *params,
403 u64 *cookie);
404 void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa,
405 const struct ieee80211_ht_cap *ht_capa_mask);
406 void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa,
407 const struct ieee80211_vht_cap *vht_capa_mask);
408
409 /* SME events */
410 int cfg80211_connect(struct cfg80211_registered_device *rdev,
411 struct net_device *dev,
412 struct cfg80211_connect_params *connect,
413 struct cfg80211_cached_keys *connkeys,
414 const u8 *prev_bssid);
415 void __cfg80211_connect_result(struct net_device *dev,
416 struct cfg80211_connect_resp_params *params,
417 bool wextev);
418 void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
419 size_t ie_len, u16 reason, bool from_ap);
420 int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
421 struct net_device *dev, u16 reason,
422 bool wextev);
423 void __cfg80211_roamed(struct wireless_dev *wdev,
424 struct cfg80211_roam_info *info);
425 void __cfg80211_port_authorized(struct wireless_dev *wdev, const u8 *bssid,
426 const u8 *td_bitmap, u8 td_bitmap_len);
427 int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
428 struct wireless_dev *wdev);
429 void cfg80211_autodisconnect_wk(struct work_struct *work);
430
431 /* SME implementation */
432 void cfg80211_conn_work(struct work_struct *work);
433 void cfg80211_sme_scan_done(struct net_device *dev);
434 bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status);
435 void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len);
436 void cfg80211_sme_disassoc(struct wireless_dev *wdev);
437 void cfg80211_sme_deauth(struct wireless_dev *wdev);
438 void cfg80211_sme_auth_timeout(struct wireless_dev *wdev);
439 void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev);
440 void cfg80211_sme_abandon_assoc(struct wireless_dev *wdev);
441
442 /* internal helpers */
443 bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher);
444 bool cfg80211_valid_key_idx(struct cfg80211_registered_device *rdev,
445 int key_idx, bool pairwise);
446 int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
447 struct key_params *params, int key_idx,
448 bool pairwise, const u8 *mac_addr);
449 void __cfg80211_scan_done(struct wiphy *wiphy, struct wiphy_work *wk);
450 void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev,
451 bool send_message);
452 void cfg80211_add_sched_scan_req(struct cfg80211_registered_device *rdev,
453 struct cfg80211_sched_scan_request *req);
454 int cfg80211_sched_scan_req_possible(struct cfg80211_registered_device *rdev,
455 bool want_multi);
456 void cfg80211_sched_scan_results_wk(struct work_struct *work);
457 int cfg80211_stop_sched_scan_req(struct cfg80211_registered_device *rdev,
458 struct cfg80211_sched_scan_request *req,
459 bool driver_initiated);
460 int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
461 u64 reqid, bool driver_initiated);
462 void cfg80211_upload_connect_keys(struct wireless_dev *wdev);
463 int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
464 struct net_device *dev, enum nl80211_iftype ntype,
465 struct vif_params *params);
466 void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev);
467 void cfg80211_process_wiphy_works(struct cfg80211_registered_device *rdev);
468 void cfg80211_process_wdev_events(struct wireless_dev *wdev);
469
470 bool cfg80211_does_bw_fit_range(const struct ieee80211_freq_range *freq_range,
471 u32 center_freq_khz, u32 bw_khz);
472
473 int cfg80211_scan(struct cfg80211_registered_device *rdev);
474
475 extern struct work_struct cfg80211_disconnect_work;
476
477 /**
478 * cfg80211_chandef_dfs_usable - checks if chandef is DFS usable
479 * @wiphy: the wiphy to validate against
480 * @chandef: the channel definition to check
481 *
482 * Checks if chandef is usable and we can/need start CAC on such channel.
483 *
484 * Return: true if all channels available and at least
485 * one channel requires CAC (NL80211_DFS_USABLE)
486 */
487 bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy,
488 const struct cfg80211_chan_def *chandef);
489
490 void cfg80211_set_dfs_state(struct wiphy *wiphy,
491 const struct cfg80211_chan_def *chandef,
492 enum nl80211_dfs_state dfs_state);
493
494 void cfg80211_dfs_channels_update_work(struct work_struct *work);
495
496 unsigned int
497 cfg80211_chandef_dfs_cac_time(struct wiphy *wiphy,
498 const struct cfg80211_chan_def *chandef);
499
500 void cfg80211_sched_dfs_chan_update(struct cfg80211_registered_device *rdev);
501
502 int
503 cfg80211_start_background_radar_detection(struct cfg80211_registered_device *rdev,
504 struct wireless_dev *wdev,
505 struct cfg80211_chan_def *chandef);
506
507 void cfg80211_stop_background_radar_detection(struct wireless_dev *wdev);
508
509 void cfg80211_background_cac_done_wk(struct work_struct *work);
510
511 void cfg80211_background_cac_abort_wk(struct work_struct *work);
512
513 bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy,
514 struct ieee80211_channel *chan);
515
516 bool cfg80211_beaconing_iface_active(struct wireless_dev *wdev);
517
518 bool cfg80211_is_sub_chan(struct cfg80211_chan_def *chandef,
519 struct ieee80211_channel *chan,
520 bool primary_only);
521 bool cfg80211_wdev_on_sub_chan(struct wireless_dev *wdev,
522 struct ieee80211_channel *chan,
523 bool primary_only);
524
elapsed_jiffies_msecs(unsigned long start)525 static inline unsigned int elapsed_jiffies_msecs(unsigned long start)
526 {
527 unsigned long end = jiffies;
528
529 if (end >= start)
530 return jiffies_to_msecs(end - start);
531
532 return jiffies_to_msecs(end + (ULONG_MAX - start) + 1);
533 }
534
535 int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev,
536 struct cfg80211_chan_def *chandef);
537
538 int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
539 const u8 *rates, unsigned int n_rates,
540 u32 *mask);
541
542 int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
543 enum nl80211_iftype iftype, u32 beacon_int);
544
545 void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
546 enum nl80211_iftype iftype, int num);
547
548 void __cfg80211_leave(struct cfg80211_registered_device *rdev,
549 struct wireless_dev *wdev);
550 void cfg80211_leave(struct cfg80211_registered_device *rdev,
551 struct wireless_dev *wdev);
552
553 void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
554 struct wireless_dev *wdev);
555
556 void cfg80211_stop_nan(struct cfg80211_registered_device *rdev,
557 struct wireless_dev *wdev);
558
559 struct cfg80211_internal_bss *
560 cfg80211_bss_update(struct cfg80211_registered_device *rdev,
561 struct cfg80211_internal_bss *tmp,
562 bool signal_valid, unsigned long ts);
563 #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS
564 #define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond)
565 #else
566 /*
567 * Trick to enable using it as a condition,
568 * and also not give a warning when it's
569 * not used that way.
570 */
571 #define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; })
572 #endif
573
574 void cfg80211_release_pmsr(struct wireless_dev *wdev, u32 portid);
575 void cfg80211_pmsr_wdev_down(struct wireless_dev *wdev);
576 void cfg80211_pmsr_free_wk(struct work_struct *work);
577
578 void cfg80211_remove_link(struct wireless_dev *wdev, unsigned int link_id);
579 void cfg80211_remove_links(struct wireless_dev *wdev);
580 int cfg80211_remove_virtual_intf(struct cfg80211_registered_device *rdev,
581 struct wireless_dev *wdev);
582 void cfg80211_wdev_release_link_bsses(struct wireless_dev *wdev, u16 link_mask);
583
584 #endif /* __NET_WIRELESS_CORE_H */
585
