xref: /linux/net/wireless/core.h (revision dc4b176cce09b8f92ccdc8639feedc7b19e28740)
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) 2018-2025 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_scan_request_int {
25 	struct cfg80211_scan_info info;
26 	bool notified;
27 	/* must be last - variable members */
28 	struct cfg80211_scan_request req;
29 };
30 
31 struct cfg80211_registered_device {
32 	const struct cfg80211_ops *ops;
33 	struct list_head list;
34 
35 	/* rfkill support */
36 	struct rfkill_ops rfkill_ops;
37 	struct work_struct rfkill_block;
38 
39 	/* ISO / IEC 3166 alpha2 for which this device is receiving
40 	 * country IEs on, this can help disregard country IEs from APs
41 	 * on the same alpha2 quickly. The alpha2 may differ from
42 	 * cfg80211_regdomain's alpha2 when an intersection has occurred.
43 	 * If the AP is reconfigured this can also be used to tell us if
44 	 * the country on the country IE changed. */
45 	char country_ie_alpha2[2];
46 
47 	/*
48 	 * the driver requests the regulatory core to set this regulatory
49 	 * domain as the wiphy's. Only used for %REGULATORY_WIPHY_SELF_MANAGED
50 	 * devices using the regulatory_set_wiphy_regd() API
51 	 */
52 	const struct ieee80211_regdomain *requested_regd;
53 
54 	/* If a Country IE has been received this tells us the environment
55 	 * which its telling us its in. This defaults to ENVIRON_ANY */
56 	enum environment_cap env;
57 
58 	/* wiphy index, internal only */
59 	int wiphy_idx;
60 
61 	/* protected by RTNL */
62 	int devlist_generation, wdev_id;
63 	int opencount;
64 	wait_queue_head_t dev_wait;
65 
66 	struct list_head beacon_registrations;
67 	spinlock_t beacon_registrations_lock;
68 
69 	/* protected by RTNL only */
70 	int num_running_ifaces;
71 	int num_running_monitor_ifaces;
72 	u64 cookie_counter;
73 
74 	/* BSSes/scanning */
75 	spinlock_t bss_lock;
76 	struct list_head bss_list;
77 	struct rb_root bss_tree;
78 	u32 bss_generation;
79 	u32 bss_entries;
80 	struct cfg80211_scan_request_int *scan_req; /* protected by RTNL */
81 	struct cfg80211_scan_request_int *int_scan_req;
82 	struct sk_buff *scan_msg;
83 	struct list_head sched_scan_req_list;
84 	time64_t suspend_at;
85 	struct wiphy_work scan_done_wk;
86 
87 	struct genl_info *cur_cmd_info;
88 
89 	struct work_struct conn_work;
90 	struct work_struct event_work;
91 
92 	struct delayed_work dfs_update_channels_wk;
93 
94 	struct wireless_dev *background_radar_wdev;
95 	struct cfg80211_chan_def background_radar_chandef;
96 	struct delayed_work background_cac_done_wk;
97 	struct work_struct background_cac_abort_wk;
98 
99 	/* netlink port which started critical protocol (0 means not started) */
100 	u32 crit_proto_nlportid;
101 
102 	struct cfg80211_coalesce *coalesce;
103 
104 	struct work_struct destroy_work;
105 	struct wiphy_work sched_scan_stop_wk;
106 	struct work_struct sched_scan_res_wk;
107 
108 	struct cfg80211_chan_def radar_chandef;
109 	struct work_struct propagate_radar_detect_wk;
110 
111 	struct cfg80211_chan_def cac_done_chandef;
112 	struct work_struct propagate_cac_done_wk;
113 
114 	struct work_struct mgmt_registrations_update_wk;
115 	/* lock for all wdev lists */
116 	spinlock_t mgmt_registrations_lock;
117 
118 	struct work_struct wiphy_work;
119 	struct list_head wiphy_work_list;
120 	/* protects the list above */
121 	spinlock_t wiphy_work_lock;
122 	bool suspended;
123 
124 	/* must be last because of the way we do wiphy_priv(),
125 	 * and it should at least be aligned to NETDEV_ALIGN */
126 	struct wiphy wiphy __aligned(NETDEV_ALIGN);
127 };
128 
129 static inline
130 struct cfg80211_registered_device *wiphy_to_rdev(struct wiphy *wiphy)
131 {
132 	BUG_ON(!wiphy);
133 	return container_of(wiphy, struct cfg80211_registered_device, wiphy);
134 }
135 
136 static inline void
137 cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev)
138 {
139 #ifdef CONFIG_PM
140 	int i;
141 
142 	if (!rdev->wiphy.wowlan_config)
143 		return;
144 	for (i = 0; i < rdev->wiphy.wowlan_config->n_patterns; i++)
145 		kfree(rdev->wiphy.wowlan_config->patterns[i].mask);
146 	kfree(rdev->wiphy.wowlan_config->patterns);
147 	if (rdev->wiphy.wowlan_config->tcp &&
148 	    rdev->wiphy.wowlan_config->tcp->sock)
149 		sock_release(rdev->wiphy.wowlan_config->tcp->sock);
150 	kfree(rdev->wiphy.wowlan_config->tcp);
151 	kfree(rdev->wiphy.wowlan_config->nd_config);
152 	kfree(rdev->wiphy.wowlan_config);
153 #endif
154 }
155 
156 static inline u64 cfg80211_assign_cookie(struct cfg80211_registered_device *rdev)
157 {
158 	u64 r = ++rdev->cookie_counter;
159 
160 	if (WARN_ON(r == 0))
161 		r = ++rdev->cookie_counter;
162 
163 	return r;
164 }
165 
166 extern struct workqueue_struct *cfg80211_wq;
167 extern struct list_head cfg80211_rdev_list;
168 extern int cfg80211_rdev_list_generation;
169 
170 /* This is constructed like this so it can be used in if/else */
171 static inline int for_each_rdev_check_rtnl(void)
172 {
173 	ASSERT_RTNL();
174 	return 0;
175 }
176 #define for_each_rdev(rdev)						\
177 	if (for_each_rdev_check_rtnl()) {} else				\
178 		list_for_each_entry(rdev, &cfg80211_rdev_list, list)
179 
180 enum bss_source_type {
181 	BSS_SOURCE_DIRECT = 0,
182 	BSS_SOURCE_MBSSID,
183 	BSS_SOURCE_STA_PROFILE,
184 };
185 
186 struct cfg80211_internal_bss {
187 	struct list_head list;
188 	struct list_head hidden_list;
189 	struct rb_node rbn;
190 	unsigned long ts;
191 	unsigned long refcount;
192 	atomic_t hold;
193 
194 	/* time at the start of the reception of the first octet of the
195 	 * timestamp field of the last beacon/probe received for this BSS.
196 	 * The time is the TSF of the BSS specified by %parent_bssid.
197 	 */
198 	u64 parent_tsf;
199 
200 	/* the BSS according to which %parent_tsf is set. This is set to
201 	 * the BSS that the interface that requested the scan was connected to
202 	 * when the beacon/probe was received.
203 	 */
204 	u8 parent_bssid[ETH_ALEN] __aligned(2);
205 
206 	enum bss_source_type bss_source;
207 
208 	/* must be last because of priv member */
209 	struct cfg80211_bss pub;
210 };
211 
212 static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub)
213 {
214 	return container_of(pub, struct cfg80211_internal_bss, pub);
215 }
216 
217 static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss)
218 {
219 	atomic_inc(&bss->hold);
220 	if (bss->pub.transmitted_bss) {
221 		bss = container_of(bss->pub.transmitted_bss,
222 				   struct cfg80211_internal_bss, pub);
223 		atomic_inc(&bss->hold);
224 	}
225 }
226 
227 static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss)
228 {
229 	int r = atomic_dec_return(&bss->hold);
230 	WARN_ON(r < 0);
231 	if (bss->pub.transmitted_bss) {
232 		bss = container_of(bss->pub.transmitted_bss,
233 				   struct cfg80211_internal_bss, pub);
234 		r = atomic_dec_return(&bss->hold);
235 		WARN_ON(r < 0);
236 	}
237 }
238 
239 
240 struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx);
241 int get_wiphy_idx(struct wiphy *wiphy);
242 
243 struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
244 
245 int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
246 			  struct net *net);
247 
248 void cfg80211_init_wdev(struct wireless_dev *wdev);
249 void cfg80211_register_wdev(struct cfg80211_registered_device *rdev,
250 			    struct wireless_dev *wdev);
251 
252 static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev)
253 {
254 	lockdep_assert_held(&rdev->wiphy.mtx);
255 
256 	return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces &&
257 	       rdev->num_running_ifaces > 0;
258 }
259 
260 enum cfg80211_event_type {
261 	EVENT_CONNECT_RESULT,
262 	EVENT_ROAMED,
263 	EVENT_DISCONNECTED,
264 	EVENT_IBSS_JOINED,
265 	EVENT_STOPPED,
266 	EVENT_PORT_AUTHORIZED,
267 };
268 
269 struct cfg80211_event {
270 	struct list_head list;
271 	enum cfg80211_event_type type;
272 
273 	union {
274 		struct cfg80211_connect_resp_params cr;
275 		struct cfg80211_roam_info rm;
276 		struct {
277 			const u8 *ie;
278 			size_t ie_len;
279 			u16 reason;
280 			bool locally_generated;
281 		} dc;
282 		struct {
283 			u8 bssid[ETH_ALEN];
284 			struct ieee80211_channel *channel;
285 		} ij;
286 		struct {
287 			u8 peer_addr[ETH_ALEN];
288 			const u8 *td_bitmap;
289 			u8 td_bitmap_len;
290 		} pa;
291 	};
292 	int link_id;
293 };
294 
295 struct cfg80211_cached_keys {
296 	struct key_params params[4];
297 	u8 data[4][WLAN_KEY_LEN_WEP104];
298 	int def;
299 };
300 
301 struct cfg80211_beacon_registration {
302 	struct list_head list;
303 	u32 nlportid;
304 };
305 
306 struct cfg80211_cqm_config {
307 	struct rcu_head rcu_head;
308 	u32 rssi_hyst;
309 	s32 last_rssi_event_value;
310 	enum nl80211_cqm_rssi_threshold_event last_rssi_event_type;
311 	bool use_range_api;
312 	int n_rssi_thresholds;
313 	s32 rssi_thresholds[] __counted_by(n_rssi_thresholds);
314 };
315 
316 void cfg80211_cqm_rssi_notify_work(struct wiphy *wiphy,
317 				   struct wiphy_work *work);
318 
319 void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev);
320 
321 /* free object */
322 void cfg80211_dev_free(struct cfg80211_registered_device *rdev);
323 
324 int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
325 			char *newname);
326 
327 void ieee80211_set_bitrate_flags(struct wiphy *wiphy);
328 
329 void cfg80211_bss_expire(struct cfg80211_registered_device *rdev);
330 void cfg80211_bss_age(struct cfg80211_registered_device *rdev,
331                       unsigned long age_secs);
332 void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev,
333 				     unsigned int link,
334 				     struct ieee80211_channel *channel);
335 
336 /* IBSS */
337 int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
338 			 struct net_device *dev,
339 			 struct cfg80211_ibss_params *params,
340 			 struct cfg80211_cached_keys *connkeys);
341 void cfg80211_clear_ibss(struct net_device *dev, bool nowext);
342 int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
343 			struct net_device *dev, bool nowext);
344 void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
345 			    struct ieee80211_channel *channel);
346 int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
347 			    struct wireless_dev *wdev);
348 
349 /* mesh */
350 extern const struct mesh_config default_mesh_config;
351 extern const struct mesh_setup default_mesh_setup;
352 int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
353 			 struct net_device *dev,
354 			 struct mesh_setup *setup,
355 			 const struct mesh_config *conf);
356 int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
357 			struct net_device *dev);
358 int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev,
359 			      struct wireless_dev *wdev,
360 			      struct cfg80211_chan_def *chandef);
361 
362 /* OCB */
363 int cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
364 		      struct net_device *dev,
365 		      struct ocb_setup *setup);
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 
374 /* MLME */
375 int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
376 		       struct net_device *dev,
377 		       struct cfg80211_auth_request *req);
378 int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
379 			struct net_device *dev,
380 			struct cfg80211_assoc_request *req,
381 			struct netlink_ext_ack *extack);
382 int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
383 			 struct net_device *dev, const u8 *bssid,
384 			 const u8 *ie, int ie_len, u16 reason,
385 			 bool local_state_change);
386 int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
387 			   struct net_device *dev, const u8 *ap_addr,
388 			   const u8 *ie, int ie_len, u16 reason,
389 			   bool local_state_change);
390 void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
391 			struct net_device *dev);
392 int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
393 				u16 frame_type, const u8 *match_data,
394 				int match_len, bool multicast_rx,
395 				struct netlink_ext_ack *extack);
396 void cfg80211_mgmt_registrations_update_wk(struct work_struct *wk);
397 void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid);
398 void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev);
399 int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
400 			  struct wireless_dev *wdev,
401 			  struct cfg80211_mgmt_tx_params *params,
402 			  u64 *cookie);
403 void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa,
404 			       const struct ieee80211_ht_cap *ht_capa_mask);
405 void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa,
406 				const struct ieee80211_vht_cap *vht_capa_mask);
407 
408 /* SME events */
409 int cfg80211_connect(struct cfg80211_registered_device *rdev,
410 		     struct net_device *dev,
411 		     struct cfg80211_connect_params *connect,
412 		     struct cfg80211_cached_keys *connkeys,
413 		     const u8 *prev_bssid);
414 void __cfg80211_connect_result(struct net_device *dev,
415 			       struct cfg80211_connect_resp_params *params,
416 			       bool wextev);
417 void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
418 			     size_t ie_len, u16 reason, bool from_ap);
419 int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
420 			struct net_device *dev, u16 reason,
421 			bool wextev);
422 void __cfg80211_roamed(struct wireless_dev *wdev,
423 		       struct cfg80211_roam_info *info);
424 void __cfg80211_port_authorized(struct wireless_dev *wdev, const u8 *peer_addr,
425 				const u8 *td_bitmap, u8 td_bitmap_len);
426 int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
427 			      struct wireless_dev *wdev);
428 void cfg80211_autodisconnect_wk(struct work_struct *work);
429 
430 /* SME implementation */
431 void cfg80211_conn_work(struct work_struct *work);
432 void cfg80211_sme_scan_done(struct net_device *dev);
433 bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status);
434 void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len);
435 void cfg80211_sme_disassoc(struct wireless_dev *wdev);
436 void cfg80211_sme_deauth(struct wireless_dev *wdev);
437 void cfg80211_sme_auth_timeout(struct wireless_dev *wdev);
438 void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev);
439 void cfg80211_sme_abandon_assoc(struct wireless_dev *wdev);
440 
441 /* internal helpers */
442 bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher);
443 bool cfg80211_valid_key_idx(struct cfg80211_registered_device *rdev,
444 			    int key_idx, bool pairwise);
445 int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
446 				   struct key_params *params, int key_idx,
447 				   bool pairwise, const u8 *mac_addr);
448 void __cfg80211_scan_done(struct wiphy *wiphy, struct wiphy_work *wk);
449 void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev,
450 			   bool send_message);
451 void cfg80211_add_sched_scan_req(struct cfg80211_registered_device *rdev,
452 				 struct cfg80211_sched_scan_request *req);
453 int cfg80211_sched_scan_req_possible(struct cfg80211_registered_device *rdev,
454 				     bool want_multi);
455 void cfg80211_sched_scan_results_wk(struct work_struct *work);
456 int cfg80211_stop_sched_scan_req(struct cfg80211_registered_device *rdev,
457 				 struct cfg80211_sched_scan_request *req,
458 				 bool driver_initiated);
459 int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
460 			       u64 reqid, bool driver_initiated);
461 void cfg80211_upload_connect_keys(struct wireless_dev *wdev);
462 int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
463 			  struct net_device *dev, enum nl80211_iftype ntype,
464 			  struct vif_params *params);
465 void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev);
466 void cfg80211_process_wiphy_works(struct cfg80211_registered_device *rdev,
467 				  struct wiphy_work *end);
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 #define NL80211_BSS_USE_FOR_ALL	(NL80211_BSS_USE_FOR_NORMAL | \
478 				 NL80211_BSS_USE_FOR_MLD_LINK)
479 
480 void cfg80211_set_dfs_state(struct wiphy *wiphy,
481 			    const struct cfg80211_chan_def *chandef,
482 			    enum nl80211_dfs_state dfs_state);
483 
484 void cfg80211_dfs_channels_update_work(struct work_struct *work);
485 
486 void cfg80211_sched_dfs_chan_update(struct cfg80211_registered_device *rdev);
487 
488 int
489 cfg80211_start_background_radar_detection(struct cfg80211_registered_device *rdev,
490 					  struct wireless_dev *wdev,
491 					  struct cfg80211_chan_def *chandef);
492 
493 void cfg80211_stop_radar_detection(struct wireless_dev *wdev);
494 void cfg80211_stop_background_radar_detection(struct wireless_dev *wdev);
495 
496 void cfg80211_background_cac_done_wk(struct work_struct *work);
497 
498 void cfg80211_background_cac_abort_wk(struct work_struct *work);
499 
500 bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy,
501 				  struct ieee80211_channel *chan);
502 
503 bool cfg80211_beaconing_iface_active(struct wireless_dev *wdev);
504 
505 bool cfg80211_is_sub_chan(struct cfg80211_chan_def *chandef,
506 			  struct ieee80211_channel *chan,
507 			  bool primary_only);
508 bool cfg80211_wdev_on_sub_chan(struct wireless_dev *wdev,
509 			       struct ieee80211_channel *chan,
510 			       bool primary_only);
511 bool _cfg80211_chandef_usable(struct wiphy *wiphy,
512 			      const struct cfg80211_chan_def *chandef,
513 			      u32 prohibited_flags,
514 			      u32 permitting_flags);
515 
516 static inline unsigned int elapsed_jiffies_msecs(unsigned long start)
517 {
518 	unsigned long end = jiffies;
519 
520 	if (end >= start)
521 		return jiffies_to_msecs(end - start);
522 
523 	return jiffies_to_msecs(end + (ULONG_MAX - start) + 1);
524 }
525 
526 int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev,
527 				 struct net_device *dev,
528 				 struct cfg80211_chan_def *chandef);
529 
530 int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
531 			   const u8 *rates, unsigned int n_rates,
532 			   u32 *mask);
533 
534 int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
535 				 enum nl80211_iftype iftype, u32 beacon_int);
536 
537 void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
538 			       enum nl80211_iftype iftype, int num);
539 
540 void cfg80211_leave(struct cfg80211_registered_device *rdev,
541 		    struct wireless_dev *wdev,
542 		    int link_id);
543 
544 void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
545 			      struct wireless_dev *wdev);
546 
547 void cfg80211_stop_nan(struct cfg80211_registered_device *rdev,
548 		       struct wireless_dev *wdev);
549 
550 struct cfg80211_internal_bss *
551 cfg80211_bss_update(struct cfg80211_registered_device *rdev,
552 		    struct cfg80211_internal_bss *tmp,
553 		    bool signal_valid, unsigned long ts);
554 
555 enum ieee80211_ap_reg_power
556 cfg80211_get_6ghz_power_type(const u8 *elems, size_t elems_len,
557 			     u32 client_flags);
558 
559 #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS
560 #define CFG80211_DEV_WARN_ON(cond)	WARN_ON(cond)
561 #else
562 /*
563  * Trick to enable using it as a condition,
564  * and also not give a warning when it's
565  * not used that way.
566  */
567 #define CFG80211_DEV_WARN_ON(cond)	({bool __r = (cond); __r; })
568 #endif
569 
570 void cfg80211_release_pmsr(struct wireless_dev *wdev, u32 portid);
571 void cfg80211_pmsr_wdev_down(struct wireless_dev *wdev);
572 void cfg80211_pmsr_free_wk(struct work_struct *work);
573 
574 void cfg80211_remove_link(struct wireless_dev *wdev, unsigned int link_id);
575 void cfg80211_remove_links(struct wireless_dev *wdev);
576 int cfg80211_remove_virtual_intf(struct cfg80211_registered_device *rdev,
577 				 struct wireless_dev *wdev);
578 void cfg80211_wdev_release_link_bsses(struct wireless_dev *wdev, u16 link_mask);
579 
580 int cfg80211_assoc_ml_reconf(struct cfg80211_registered_device *rdev,
581 			     struct net_device *dev,
582 			     struct cfg80211_ml_reconf_req *req);
583 
584 /**
585  * struct cfg80211_colocated_ap - colocated AP information
586  *
587  * @list: linked list to all colocated APs
588  * @bssid: BSSID of the reported AP
589  * @ssid: SSID of the reported AP
590  * @ssid_len: length of the ssid
591  * @center_freq: frequency the reported AP is on
592  * @unsolicited_probe: the reported AP is part of an ESS, where all the APs
593  *	that operate in the same channel as the reported AP and that might be
594  *	detected by a STA receiving this frame, are transmitting unsolicited
595  *	Probe Response frames every 20 TUs
596  * @oct_recommended: OCT is recommended to exchange MMPDUs with the reported AP
597  * @same_ssid: the reported AP has the same SSID as the reporting AP
598  * @multi_bss: the reported AP is part of a multiple BSSID set
599  * @transmitted_bssid: the reported AP is the transmitting BSSID
600  * @colocated_ess: all the APs that share the same ESS as the reported AP are
601  *	colocated and can be discovered via legacy bands.
602  * @short_ssid_valid: short_ssid is valid and can be used
603  * @short_ssid: the short SSID for this SSID
604  * @psd_20: The 20MHz PSD EIRP of the primary 20MHz channel for the reported AP
605  */
606 struct cfg80211_colocated_ap {
607 	struct list_head list;
608 	u8 bssid[ETH_ALEN];
609 	u8 ssid[IEEE80211_MAX_SSID_LEN];
610 	size_t ssid_len;
611 	u32 short_ssid;
612 	u32 center_freq;
613 	u8 unsolicited_probe:1,
614 	   oct_recommended:1,
615 	   same_ssid:1,
616 	   multi_bss:1,
617 	   transmitted_bssid:1,
618 	   colocated_ess:1,
619 	   short_ssid_valid:1;
620 	s8 psd_20;
621 };
622 
623 #if IS_ENABLED(CONFIG_CFG80211_KUNIT_TEST)
624 #define EXPORT_SYMBOL_IF_CFG80211_KUNIT(sym) EXPORT_SYMBOL_IF_KUNIT(sym)
625 #define VISIBLE_IF_CFG80211_KUNIT
626 void cfg80211_free_coloc_ap_list(struct list_head *coloc_ap_list);
627 
628 int cfg80211_parse_colocated_ap(const struct cfg80211_bss_ies *ies,
629 				struct list_head *list);
630 
631 size_t cfg80211_gen_new_ie(const u8 *ie, size_t ielen,
632 			   const u8 *subie, size_t subie_len,
633 			   u8 *new_ie, size_t new_ie_len);
634 #else
635 #define EXPORT_SYMBOL_IF_CFG80211_KUNIT(sym)
636 #define VISIBLE_IF_CFG80211_KUNIT static
637 #endif /* IS_ENABLED(CONFIG_CFG80211_KUNIT_TEST) */
638 
639 #endif /* __NET_WIRELESS_CORE_H */
640