xref: /openbmc/linux/net/wireless/core.h (revision 53dc61ae)
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 	bool use_range_api;
303 	int n_rssi_thresholds;
304 	s32 rssi_thresholds[] __counted_by(n_rssi_thresholds);
305 };
306 
307 void cfg80211_cqm_rssi_notify_work(struct wiphy *wiphy,
308 				   struct wiphy_work *work);
309 
310 void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev);
311 
312 /* free object */
313 void cfg80211_dev_free(struct cfg80211_registered_device *rdev);
314 
315 int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
316 			char *newname);
317 
318 void ieee80211_set_bitrate_flags(struct wiphy *wiphy);
319 
320 void cfg80211_bss_expire(struct cfg80211_registered_device *rdev);
321 void cfg80211_bss_age(struct cfg80211_registered_device *rdev,
322                       unsigned long age_secs);
323 void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev,
324 				     unsigned int link,
325 				     struct ieee80211_channel *channel);
326 
327 /* IBSS */
328 int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
329 			 struct net_device *dev,
330 			 struct cfg80211_ibss_params *params,
331 			 struct cfg80211_cached_keys *connkeys);
332 void cfg80211_clear_ibss(struct net_device *dev, bool nowext);
333 int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
334 			  struct net_device *dev, bool nowext);
335 int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
336 			struct net_device *dev, bool nowext);
337 void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
338 			    struct ieee80211_channel *channel);
339 int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
340 			    struct wireless_dev *wdev);
341 
342 /* mesh */
343 extern const struct mesh_config default_mesh_config;
344 extern const struct mesh_setup default_mesh_setup;
345 int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
346 			 struct net_device *dev,
347 			 struct mesh_setup *setup,
348 			 const struct mesh_config *conf);
349 int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
350 			  struct net_device *dev);
351 int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
352 			struct net_device *dev);
353 int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev,
354 			      struct wireless_dev *wdev,
355 			      struct cfg80211_chan_def *chandef);
356 
357 /* OCB */
358 int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
359 			struct net_device *dev,
360 			struct ocb_setup *setup);
361 int cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
362 		      struct net_device *dev,
363 		      struct ocb_setup *setup);
364 int __cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
365 			 struct net_device *dev);
366 int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
367 		       struct net_device *dev);
368 
369 /* AP */
370 int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
371 		       struct net_device *dev, int link,
372 		       bool notify);
373 int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
374 		     struct net_device *dev, int link,
375 		     bool notify);
376 
377 /* MLME */
378 int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
379 		       struct net_device *dev,
380 		       struct cfg80211_auth_request *req);
381 int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
382 			struct net_device *dev,
383 			struct cfg80211_assoc_request *req);
384 int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
385 			 struct net_device *dev, const u8 *bssid,
386 			 const u8 *ie, int ie_len, u16 reason,
387 			 bool local_state_change);
388 int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
389 			   struct net_device *dev, const u8 *ap_addr,
390 			   const u8 *ie, int ie_len, u16 reason,
391 			   bool local_state_change);
392 void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
393 			struct net_device *dev);
394 int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
395 				u16 frame_type, const u8 *match_data,
396 				int match_len, bool multicast_rx,
397 				struct netlink_ext_ack *extack);
398 void cfg80211_mgmt_registrations_update_wk(struct work_struct *wk);
399 void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid);
400 void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev);
401 int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
402 			  struct wireless_dev *wdev,
403 			  struct cfg80211_mgmt_tx_params *params,
404 			  u64 *cookie);
405 void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa,
406 			       const struct ieee80211_ht_cap *ht_capa_mask);
407 void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa,
408 				const struct ieee80211_vht_cap *vht_capa_mask);
409 
410 /* SME events */
411 int cfg80211_connect(struct cfg80211_registered_device *rdev,
412 		     struct net_device *dev,
413 		     struct cfg80211_connect_params *connect,
414 		     struct cfg80211_cached_keys *connkeys,
415 		     const u8 *prev_bssid);
416 void __cfg80211_connect_result(struct net_device *dev,
417 			       struct cfg80211_connect_resp_params *params,
418 			       bool wextev);
419 void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
420 			     size_t ie_len, u16 reason, bool from_ap);
421 int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
422 			struct net_device *dev, u16 reason,
423 			bool wextev);
424 void __cfg80211_roamed(struct wireless_dev *wdev,
425 		       struct cfg80211_roam_info *info);
426 void __cfg80211_port_authorized(struct wireless_dev *wdev, const u8 *bssid,
427 				const u8 *td_bitmap, u8 td_bitmap_len);
428 int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
429 			      struct wireless_dev *wdev);
430 void cfg80211_autodisconnect_wk(struct work_struct *work);
431 
432 /* SME implementation */
433 void cfg80211_conn_work(struct work_struct *work);
434 void cfg80211_sme_scan_done(struct net_device *dev);
435 bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status);
436 void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len);
437 void cfg80211_sme_disassoc(struct wireless_dev *wdev);
438 void cfg80211_sme_deauth(struct wireless_dev *wdev);
439 void cfg80211_sme_auth_timeout(struct wireless_dev *wdev);
440 void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev);
441 void cfg80211_sme_abandon_assoc(struct wireless_dev *wdev);
442 
443 /* internal helpers */
444 bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher);
445 bool cfg80211_valid_key_idx(struct cfg80211_registered_device *rdev,
446 			    int key_idx, bool pairwise);
447 int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
448 				   struct key_params *params, int key_idx,
449 				   bool pairwise, const u8 *mac_addr);
450 void __cfg80211_scan_done(struct wiphy *wiphy, struct wiphy_work *wk);
451 void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev,
452 			   bool send_message);
453 void cfg80211_add_sched_scan_req(struct cfg80211_registered_device *rdev,
454 				 struct cfg80211_sched_scan_request *req);
455 int cfg80211_sched_scan_req_possible(struct cfg80211_registered_device *rdev,
456 				     bool want_multi);
457 void cfg80211_sched_scan_results_wk(struct work_struct *work);
458 int cfg80211_stop_sched_scan_req(struct cfg80211_registered_device *rdev,
459 				 struct cfg80211_sched_scan_request *req,
460 				 bool driver_initiated);
461 int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
462 			       u64 reqid, bool driver_initiated);
463 void cfg80211_upload_connect_keys(struct wireless_dev *wdev);
464 int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
465 			  struct net_device *dev, enum nl80211_iftype ntype,
466 			  struct vif_params *params);
467 void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev);
468 void cfg80211_process_wiphy_works(struct cfg80211_registered_device *rdev,
469 				  struct wiphy_work *end);
470 void cfg80211_process_wdev_events(struct wireless_dev *wdev);
471 
472 bool cfg80211_does_bw_fit_range(const struct ieee80211_freq_range *freq_range,
473 				u32 center_freq_khz, u32 bw_khz);
474 
475 int cfg80211_scan(struct cfg80211_registered_device *rdev);
476 
477 extern struct work_struct cfg80211_disconnect_work;
478 
479 /**
480  * cfg80211_chandef_dfs_usable - checks if chandef is DFS usable
481  * @wiphy: the wiphy to validate against
482  * @chandef: the channel definition to check
483  *
484  * Checks if chandef is usable and we can/need start CAC on such channel.
485  *
486  * Return: true if all channels available and at least
487  *	   one channel requires CAC (NL80211_DFS_USABLE)
488  */
489 bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy,
490 				 const struct cfg80211_chan_def *chandef);
491 
492 void cfg80211_set_dfs_state(struct wiphy *wiphy,
493 			    const struct cfg80211_chan_def *chandef,
494 			    enum nl80211_dfs_state dfs_state);
495 
496 void cfg80211_dfs_channels_update_work(struct work_struct *work);
497 
498 unsigned int
499 cfg80211_chandef_dfs_cac_time(struct wiphy *wiphy,
500 			      const struct cfg80211_chan_def *chandef);
501 
502 void cfg80211_sched_dfs_chan_update(struct cfg80211_registered_device *rdev);
503 
504 int
505 cfg80211_start_background_radar_detection(struct cfg80211_registered_device *rdev,
506 					  struct wireless_dev *wdev,
507 					  struct cfg80211_chan_def *chandef);
508 
509 void cfg80211_stop_background_radar_detection(struct wireless_dev *wdev);
510 
511 void cfg80211_background_cac_done_wk(struct work_struct *work);
512 
513 void cfg80211_background_cac_abort_wk(struct work_struct *work);
514 
515 bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy,
516 				  struct ieee80211_channel *chan);
517 
518 bool cfg80211_beaconing_iface_active(struct wireless_dev *wdev);
519 
520 bool cfg80211_is_sub_chan(struct cfg80211_chan_def *chandef,
521 			  struct ieee80211_channel *chan,
522 			  bool primary_only);
523 bool cfg80211_wdev_on_sub_chan(struct wireless_dev *wdev,
524 			       struct ieee80211_channel *chan,
525 			       bool primary_only);
526 
elapsed_jiffies_msecs(unsigned long start)527 static inline unsigned int elapsed_jiffies_msecs(unsigned long start)
528 {
529 	unsigned long end = jiffies;
530 
531 	if (end >= start)
532 		return jiffies_to_msecs(end - start);
533 
534 	return jiffies_to_msecs(end + (ULONG_MAX - start) + 1);
535 }
536 
537 int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev,
538 				 struct cfg80211_chan_def *chandef);
539 
540 int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
541 			   const u8 *rates, unsigned int n_rates,
542 			   u32 *mask);
543 
544 int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
545 				 enum nl80211_iftype iftype, u32 beacon_int);
546 
547 void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
548 			       enum nl80211_iftype iftype, int num);
549 
550 void __cfg80211_leave(struct cfg80211_registered_device *rdev,
551 		      struct wireless_dev *wdev);
552 void cfg80211_leave(struct cfg80211_registered_device *rdev,
553 		    struct wireless_dev *wdev);
554 
555 void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
556 			      struct wireless_dev *wdev);
557 
558 void cfg80211_stop_nan(struct cfg80211_registered_device *rdev,
559 		       struct wireless_dev *wdev);
560 
561 struct cfg80211_internal_bss *
562 cfg80211_bss_update(struct cfg80211_registered_device *rdev,
563 		    struct cfg80211_internal_bss *tmp,
564 		    bool signal_valid, unsigned long ts);
565 #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS
566 #define CFG80211_DEV_WARN_ON(cond)	WARN_ON(cond)
567 #else
568 /*
569  * Trick to enable using it as a condition,
570  * and also not give a warning when it's
571  * not used that way.
572  */
573 #define CFG80211_DEV_WARN_ON(cond)	({bool __r = (cond); __r; })
574 #endif
575 
576 void cfg80211_release_pmsr(struct wireless_dev *wdev, u32 portid);
577 void cfg80211_pmsr_wdev_down(struct wireless_dev *wdev);
578 void cfg80211_pmsr_free_wk(struct work_struct *work);
579 
580 void cfg80211_remove_link(struct wireless_dev *wdev, unsigned int link_id);
581 void cfg80211_remove_links(struct wireless_dev *wdev);
582 int cfg80211_remove_virtual_intf(struct cfg80211_registered_device *rdev,
583 				 struct wireless_dev *wdev);
584 void cfg80211_wdev_release_link_bsses(struct wireless_dev *wdev, u16 link_mask);
585 
586 #endif /* __NET_WIRELESS_CORE_H */
587