xref: /linux/net/wireless/core.h (revision 1a9239bb4253f9076b5b4b2a1a4e8d7defd77a95)
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_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 /* This is constructed like this so it can be used in if/else */
for_each_rdev_check_rtnl(void)164 static inline int for_each_rdev_check_rtnl(void)
165 {
166 	ASSERT_RTNL();
167 	return 0;
168 }
169 #define for_each_rdev(rdev)						\
170 	if (for_each_rdev_check_rtnl()) {} else				\
171 		list_for_each_entry(rdev, &cfg80211_rdev_list, list)
172 
173 enum bss_source_type {
174 	BSS_SOURCE_DIRECT = 0,
175 	BSS_SOURCE_MBSSID,
176 	BSS_SOURCE_STA_PROFILE,
177 };
178 
179 struct cfg80211_internal_bss {
180 	struct list_head list;
181 	struct list_head hidden_list;
182 	struct rb_node rbn;
183 	unsigned long ts;
184 	unsigned long refcount;
185 	atomic_t hold;
186 
187 	/* time at the start of the reception of the first octet of the
188 	 * timestamp field of the last beacon/probe received for this BSS.
189 	 * The time is the TSF of the BSS specified by %parent_bssid.
190 	 */
191 	u64 parent_tsf;
192 
193 	/* the BSS according to which %parent_tsf is set. This is set to
194 	 * the BSS that the interface that requested the scan was connected to
195 	 * when the beacon/probe was received.
196 	 */
197 	u8 parent_bssid[ETH_ALEN] __aligned(2);
198 
199 	enum bss_source_type bss_source;
200 
201 	/* must be last because of priv member */
202 	struct cfg80211_bss pub;
203 };
204 
bss_from_pub(struct cfg80211_bss * pub)205 static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub)
206 {
207 	return container_of(pub, struct cfg80211_internal_bss, pub);
208 }
209 
cfg80211_hold_bss(struct cfg80211_internal_bss * bss)210 static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss)
211 {
212 	atomic_inc(&bss->hold);
213 	if (bss->pub.transmitted_bss) {
214 		bss = container_of(bss->pub.transmitted_bss,
215 				   struct cfg80211_internal_bss, pub);
216 		atomic_inc(&bss->hold);
217 	}
218 }
219 
cfg80211_unhold_bss(struct cfg80211_internal_bss * bss)220 static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss)
221 {
222 	int r = atomic_dec_return(&bss->hold);
223 	WARN_ON(r < 0);
224 	if (bss->pub.transmitted_bss) {
225 		bss = container_of(bss->pub.transmitted_bss,
226 				   struct cfg80211_internal_bss, pub);
227 		r = atomic_dec_return(&bss->hold);
228 		WARN_ON(r < 0);
229 	}
230 }
231 
232 
233 struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx);
234 int get_wiphy_idx(struct wiphy *wiphy);
235 
236 struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
237 
238 int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
239 			  struct net *net);
240 
241 void cfg80211_init_wdev(struct wireless_dev *wdev);
242 void cfg80211_register_wdev(struct cfg80211_registered_device *rdev,
243 			    struct wireless_dev *wdev);
244 
cfg80211_has_monitors_only(struct cfg80211_registered_device * rdev)245 static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev)
246 {
247 	lockdep_assert_held(&rdev->wiphy.mtx);
248 
249 	return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces &&
250 	       rdev->num_running_ifaces > 0;
251 }
252 
253 enum cfg80211_event_type {
254 	EVENT_CONNECT_RESULT,
255 	EVENT_ROAMED,
256 	EVENT_DISCONNECTED,
257 	EVENT_IBSS_JOINED,
258 	EVENT_STOPPED,
259 	EVENT_PORT_AUTHORIZED,
260 };
261 
262 struct cfg80211_event {
263 	struct list_head list;
264 	enum cfg80211_event_type type;
265 
266 	union {
267 		struct cfg80211_connect_resp_params cr;
268 		struct cfg80211_roam_info rm;
269 		struct {
270 			const u8 *ie;
271 			size_t ie_len;
272 			u16 reason;
273 			bool locally_generated;
274 		} dc;
275 		struct {
276 			u8 bssid[ETH_ALEN];
277 			struct ieee80211_channel *channel;
278 		} ij;
279 		struct {
280 			u8 peer_addr[ETH_ALEN];
281 			const u8 *td_bitmap;
282 			u8 td_bitmap_len;
283 		} pa;
284 	};
285 };
286 
287 struct cfg80211_cached_keys {
288 	struct key_params params[4];
289 	u8 data[4][WLAN_KEY_LEN_WEP104];
290 	int def;
291 };
292 
293 struct cfg80211_beacon_registration {
294 	struct list_head list;
295 	u32 nlportid;
296 };
297 
298 struct cfg80211_cqm_config {
299 	struct rcu_head rcu_head;
300 	u32 rssi_hyst;
301 	s32 last_rssi_event_value;
302 	enum nl80211_cqm_rssi_threshold_event last_rssi_event_type;
303 	bool use_range_api;
304 	int n_rssi_thresholds;
305 	s32 rssi_thresholds[] __counted_by(n_rssi_thresholds);
306 };
307 
308 void cfg80211_cqm_rssi_notify_work(struct wiphy *wiphy,
309 				   struct wiphy_work *work);
310 
311 void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev);
312 
313 /* free object */
314 void cfg80211_dev_free(struct cfg80211_registered_device *rdev);
315 
316 int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
317 			char *newname);
318 
319 void ieee80211_set_bitrate_flags(struct wiphy *wiphy);
320 
321 void cfg80211_bss_expire(struct cfg80211_registered_device *rdev);
322 void cfg80211_bss_age(struct cfg80211_registered_device *rdev,
323                       unsigned long age_secs);
324 void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev,
325 				     unsigned int link,
326 				     struct ieee80211_channel *channel);
327 
328 /* IBSS */
329 int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
330 			 struct net_device *dev,
331 			 struct cfg80211_ibss_params *params,
332 			 struct cfg80211_cached_keys *connkeys);
333 void cfg80211_clear_ibss(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_set_mesh_channel(struct cfg80211_registered_device *rdev,
351 			      struct wireless_dev *wdev,
352 			      struct cfg80211_chan_def *chandef);
353 
354 /* OCB */
355 int cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
356 		      struct net_device *dev,
357 		      struct ocb_setup *setup);
358 int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
359 		       struct net_device *dev);
360 
361 /* AP */
362 int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
363 		     struct net_device *dev, int link,
364 		     bool notify);
365 
366 /* MLME */
367 int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
368 		       struct net_device *dev,
369 		       struct cfg80211_auth_request *req);
370 int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
371 			struct net_device *dev,
372 			struct cfg80211_assoc_request *req,
373 			struct netlink_ext_ack *extack);
374 int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
375 			 struct net_device *dev, const u8 *bssid,
376 			 const u8 *ie, int ie_len, u16 reason,
377 			 bool local_state_change);
378 int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
379 			   struct net_device *dev, const u8 *ap_addr,
380 			   const u8 *ie, int ie_len, u16 reason,
381 			   bool local_state_change);
382 void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
383 			struct net_device *dev);
384 int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
385 				u16 frame_type, const u8 *match_data,
386 				int match_len, bool multicast_rx,
387 				struct netlink_ext_ack *extack);
388 void cfg80211_mgmt_registrations_update_wk(struct work_struct *wk);
389 void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid);
390 void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev);
391 int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
392 			  struct wireless_dev *wdev,
393 			  struct cfg80211_mgmt_tx_params *params,
394 			  u64 *cookie);
395 void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa,
396 			       const struct ieee80211_ht_cap *ht_capa_mask);
397 void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa,
398 				const struct ieee80211_vht_cap *vht_capa_mask);
399 
400 /* SME events */
401 int cfg80211_connect(struct cfg80211_registered_device *rdev,
402 		     struct net_device *dev,
403 		     struct cfg80211_connect_params *connect,
404 		     struct cfg80211_cached_keys *connkeys,
405 		     const u8 *prev_bssid);
406 void __cfg80211_connect_result(struct net_device *dev,
407 			       struct cfg80211_connect_resp_params *params,
408 			       bool wextev);
409 void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
410 			     size_t ie_len, u16 reason, bool from_ap);
411 int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
412 			struct net_device *dev, u16 reason,
413 			bool wextev);
414 void __cfg80211_roamed(struct wireless_dev *wdev,
415 		       struct cfg80211_roam_info *info);
416 void __cfg80211_port_authorized(struct wireless_dev *wdev, const u8 *peer_addr,
417 				const u8 *td_bitmap, u8 td_bitmap_len);
418 int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
419 			      struct wireless_dev *wdev);
420 void cfg80211_autodisconnect_wk(struct work_struct *work);
421 
422 /* SME implementation */
423 void cfg80211_conn_work(struct work_struct *work);
424 void cfg80211_sme_scan_done(struct net_device *dev);
425 bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status);
426 void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len);
427 void cfg80211_sme_disassoc(struct wireless_dev *wdev);
428 void cfg80211_sme_deauth(struct wireless_dev *wdev);
429 void cfg80211_sme_auth_timeout(struct wireless_dev *wdev);
430 void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev);
431 void cfg80211_sme_abandon_assoc(struct wireless_dev *wdev);
432 
433 /* internal helpers */
434 bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher);
435 bool cfg80211_valid_key_idx(struct cfg80211_registered_device *rdev,
436 			    int key_idx, bool pairwise);
437 int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
438 				   struct key_params *params, int key_idx,
439 				   bool pairwise, const u8 *mac_addr);
440 void __cfg80211_scan_done(struct wiphy *wiphy, struct wiphy_work *wk);
441 void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev,
442 			   bool send_message);
443 void cfg80211_add_sched_scan_req(struct cfg80211_registered_device *rdev,
444 				 struct cfg80211_sched_scan_request *req);
445 int cfg80211_sched_scan_req_possible(struct cfg80211_registered_device *rdev,
446 				     bool want_multi);
447 void cfg80211_sched_scan_results_wk(struct work_struct *work);
448 int cfg80211_stop_sched_scan_req(struct cfg80211_registered_device *rdev,
449 				 struct cfg80211_sched_scan_request *req,
450 				 bool driver_initiated);
451 int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
452 			       u64 reqid, bool driver_initiated);
453 void cfg80211_upload_connect_keys(struct wireless_dev *wdev);
454 int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
455 			  struct net_device *dev, enum nl80211_iftype ntype,
456 			  struct vif_params *params);
457 void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev);
458 void cfg80211_process_wiphy_works(struct cfg80211_registered_device *rdev,
459 				  struct wiphy_work *end);
460 void cfg80211_process_wdev_events(struct wireless_dev *wdev);
461 
462 bool cfg80211_does_bw_fit_range(const struct ieee80211_freq_range *freq_range,
463 				u32 center_freq_khz, u32 bw_khz);
464 
465 int cfg80211_scan(struct cfg80211_registered_device *rdev);
466 
467 extern struct work_struct cfg80211_disconnect_work;
468 
469 #define NL80211_BSS_USE_FOR_ALL	(NL80211_BSS_USE_FOR_NORMAL | \
470 				 NL80211_BSS_USE_FOR_MLD_LINK)
471 
472 void cfg80211_set_dfs_state(struct wiphy *wiphy,
473 			    const struct cfg80211_chan_def *chandef,
474 			    enum nl80211_dfs_state dfs_state);
475 
476 void cfg80211_dfs_channels_update_work(struct work_struct *work);
477 
478 void cfg80211_sched_dfs_chan_update(struct cfg80211_registered_device *rdev);
479 
480 int
481 cfg80211_start_background_radar_detection(struct cfg80211_registered_device *rdev,
482 					  struct wireless_dev *wdev,
483 					  struct cfg80211_chan_def *chandef);
484 
485 void cfg80211_stop_background_radar_detection(struct wireless_dev *wdev);
486 
487 void cfg80211_background_cac_done_wk(struct work_struct *work);
488 
489 void cfg80211_background_cac_abort_wk(struct work_struct *work);
490 
491 bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy,
492 				  struct ieee80211_channel *chan);
493 
494 bool cfg80211_beaconing_iface_active(struct wireless_dev *wdev);
495 
496 bool cfg80211_is_sub_chan(struct cfg80211_chan_def *chandef,
497 			  struct ieee80211_channel *chan,
498 			  bool primary_only);
499 bool cfg80211_wdev_on_sub_chan(struct wireless_dev *wdev,
500 			       struct ieee80211_channel *chan,
501 			       bool primary_only);
502 bool _cfg80211_chandef_usable(struct wiphy *wiphy,
503 			      const struct cfg80211_chan_def *chandef,
504 			      u32 prohibited_flags,
505 			      u32 permitting_flags);
506 
elapsed_jiffies_msecs(unsigned long start)507 static inline unsigned int elapsed_jiffies_msecs(unsigned long start)
508 {
509 	unsigned long end = jiffies;
510 
511 	if (end >= start)
512 		return jiffies_to_msecs(end - start);
513 
514 	return jiffies_to_msecs(end + (ULONG_MAX - start) + 1);
515 }
516 
517 int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev,
518 				 struct net_device *dev,
519 				 struct cfg80211_chan_def *chandef);
520 
521 int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
522 			   const u8 *rates, unsigned int n_rates,
523 			   u32 *mask);
524 
525 int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
526 				 enum nl80211_iftype iftype, u32 beacon_int);
527 
528 void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
529 			       enum nl80211_iftype iftype, int num);
530 
531 void cfg80211_leave(struct cfg80211_registered_device *rdev,
532 		    struct wireless_dev *wdev);
533 
534 void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
535 			      struct wireless_dev *wdev);
536 
537 void cfg80211_stop_nan(struct cfg80211_registered_device *rdev,
538 		       struct wireless_dev *wdev);
539 
540 struct cfg80211_internal_bss *
541 cfg80211_bss_update(struct cfg80211_registered_device *rdev,
542 		    struct cfg80211_internal_bss *tmp,
543 		    bool signal_valid, unsigned long ts);
544 
545 enum ieee80211_ap_reg_power
546 cfg80211_get_6ghz_power_type(const u8 *elems, size_t elems_len);
547 
548 #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS
549 #define CFG80211_DEV_WARN_ON(cond)	WARN_ON(cond)
550 #else
551 /*
552  * Trick to enable using it as a condition,
553  * and also not give a warning when it's
554  * not used that way.
555  */
556 #define CFG80211_DEV_WARN_ON(cond)	({bool __r = (cond); __r; })
557 #endif
558 
559 void cfg80211_release_pmsr(struct wireless_dev *wdev, u32 portid);
560 void cfg80211_pmsr_wdev_down(struct wireless_dev *wdev);
561 void cfg80211_pmsr_free_wk(struct work_struct *work);
562 
563 void cfg80211_remove_link(struct wireless_dev *wdev, unsigned int link_id);
564 void cfg80211_remove_links(struct wireless_dev *wdev);
565 int cfg80211_remove_virtual_intf(struct cfg80211_registered_device *rdev,
566 				 struct wireless_dev *wdev);
567 void cfg80211_wdev_release_link_bsses(struct wireless_dev *wdev, u16 link_mask);
568 
569 int cfg80211_assoc_ml_reconf(struct cfg80211_registered_device *rdev,
570 			     struct net_device *dev,
571 			     struct cfg80211_ml_reconf_req *req);
572 
573 /**
574  * struct cfg80211_colocated_ap - colocated AP information
575  *
576  * @list: linked list to all colocated APs
577  * @bssid: BSSID of the reported AP
578  * @ssid: SSID of the reported AP
579  * @ssid_len: length of the ssid
580  * @center_freq: frequency the reported AP is on
581  * @unsolicited_probe: the reported AP is part of an ESS, where all the APs
582  *	that operate in the same channel as the reported AP and that might be
583  *	detected by a STA receiving this frame, are transmitting unsolicited
584  *	Probe Response frames every 20 TUs
585  * @oct_recommended: OCT is recommended to exchange MMPDUs with the reported AP
586  * @same_ssid: the reported AP has the same SSID as the reporting AP
587  * @multi_bss: the reported AP is part of a multiple BSSID set
588  * @transmitted_bssid: the reported AP is the transmitting BSSID
589  * @colocated_ess: all the APs that share the same ESS as the reported AP are
590  *	colocated and can be discovered via legacy bands.
591  * @short_ssid_valid: short_ssid is valid and can be used
592  * @short_ssid: the short SSID for this SSID
593  * @psd_20: The 20MHz PSD EIRP of the primary 20MHz channel for the reported AP
594  */
595 struct cfg80211_colocated_ap {
596 	struct list_head list;
597 	u8 bssid[ETH_ALEN];
598 	u8 ssid[IEEE80211_MAX_SSID_LEN];
599 	size_t ssid_len;
600 	u32 short_ssid;
601 	u32 center_freq;
602 	u8 unsolicited_probe:1,
603 	   oct_recommended:1,
604 	   same_ssid:1,
605 	   multi_bss:1,
606 	   transmitted_bssid:1,
607 	   colocated_ess:1,
608 	   short_ssid_valid:1;
609 	s8 psd_20;
610 };
611 
612 #if IS_ENABLED(CONFIG_CFG80211_KUNIT_TEST)
613 #define EXPORT_SYMBOL_IF_CFG80211_KUNIT(sym) EXPORT_SYMBOL_IF_KUNIT(sym)
614 #define VISIBLE_IF_CFG80211_KUNIT
615 void cfg80211_free_coloc_ap_list(struct list_head *coloc_ap_list);
616 
617 int cfg80211_parse_colocated_ap(const struct cfg80211_bss_ies *ies,
618 				struct list_head *list);
619 
620 size_t cfg80211_gen_new_ie(const u8 *ie, size_t ielen,
621 			   const u8 *subie, size_t subie_len,
622 			   u8 *new_ie, size_t new_ie_len);
623 #else
624 #define EXPORT_SYMBOL_IF_CFG80211_KUNIT(sym)
625 #define VISIBLE_IF_CFG80211_KUNIT static
626 #endif /* IS_ENABLED(CONFIG_CFG80211_KUNIT_TEST) */
627 
628 #endif /* __NET_WIRELESS_CORE_H */
629