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 lockdep_assert_held(&wdev->wiphy->mtx);
232 mutex_lock(&wdev->mtx);
233 __acquire(wdev->mtx);
234 }
235
wdev_unlock(struct wireless_dev * wdev)236 static inline void wdev_unlock(struct wireless_dev *wdev)
237 __releases(wdev)
238 {
239 lockdep_assert_held(&wdev->wiphy->mtx);
240 __release(wdev->mtx);
241 mutex_unlock(&wdev->mtx);
242 }
243
ASSERT_WDEV_LOCK(struct wireless_dev * wdev)244 static inline void ASSERT_WDEV_LOCK(struct wireless_dev *wdev)
245 {
246 lockdep_assert_held(&wdev->wiphy->mtx);
247 lockdep_assert_held(&wdev->mtx);
248 }
249
cfg80211_has_monitors_only(struct cfg80211_registered_device * rdev)250 static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev)
251 {
252 lockdep_assert_held(&rdev->wiphy.mtx);
253
254 return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces &&
255 rdev->num_running_ifaces > 0;
256 }
257
258 enum cfg80211_event_type {
259 EVENT_CONNECT_RESULT,
260 EVENT_ROAMED,
261 EVENT_DISCONNECTED,
262 EVENT_IBSS_JOINED,
263 EVENT_STOPPED,
264 EVENT_PORT_AUTHORIZED,
265 };
266
267 struct cfg80211_event {
268 struct list_head list;
269 enum cfg80211_event_type type;
270
271 union {
272 struct cfg80211_connect_resp_params cr;
273 struct cfg80211_roam_info rm;
274 struct {
275 const u8 *ie;
276 size_t ie_len;
277 u16 reason;
278 bool locally_generated;
279 } dc;
280 struct {
281 u8 bssid[ETH_ALEN];
282 struct ieee80211_channel *channel;
283 } ij;
284 struct {
285 u8 bssid[ETH_ALEN];
286 const u8 *td_bitmap;
287 u8 td_bitmap_len;
288 } pa;
289 };
290 };
291
292 struct cfg80211_cached_keys {
293 struct key_params params[4];
294 u8 data[4][WLAN_KEY_LEN_WEP104];
295 int def;
296 };
297
298 struct cfg80211_beacon_registration {
299 struct list_head list;
300 u32 nlportid;
301 };
302
303 struct cfg80211_cqm_config {
304 struct rcu_head rcu_head;
305 u32 rssi_hyst;
306 s32 last_rssi_event_value;
307 enum nl80211_cqm_rssi_threshold_event last_rssi_event_type;
308 bool use_range_api;
309 int n_rssi_thresholds;
310 s32 rssi_thresholds[] __counted_by(n_rssi_thresholds);
311 };
312
313 void cfg80211_cqm_rssi_notify_work(struct wiphy *wiphy,
314 struct wiphy_work *work);
315
316 void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev);
317
318 /* free object */
319 void cfg80211_dev_free(struct cfg80211_registered_device *rdev);
320
321 int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
322 char *newname);
323
324 void ieee80211_set_bitrate_flags(struct wiphy *wiphy);
325
326 void cfg80211_bss_expire(struct cfg80211_registered_device *rdev);
327 void cfg80211_bss_age(struct cfg80211_registered_device *rdev,
328 unsigned long age_secs);
329 void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev,
330 unsigned int link,
331 struct ieee80211_channel *channel);
332
333 /* IBSS */
334 int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
335 struct net_device *dev,
336 struct cfg80211_ibss_params *params,
337 struct cfg80211_cached_keys *connkeys);
338 void cfg80211_clear_ibss(struct net_device *dev, bool nowext);
339 int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
340 struct net_device *dev, bool nowext);
341 int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
342 struct net_device *dev, bool nowext);
343 void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
344 struct ieee80211_channel *channel);
345 int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
346 struct wireless_dev *wdev);
347
348 /* mesh */
349 extern const struct mesh_config default_mesh_config;
350 extern const struct mesh_setup default_mesh_setup;
351 int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
352 struct net_device *dev,
353 struct mesh_setup *setup,
354 const struct mesh_config *conf);
355 int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
356 struct net_device *dev);
357 int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
358 struct net_device *dev);
359 int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev,
360 struct wireless_dev *wdev,
361 struct cfg80211_chan_def *chandef);
362
363 /* OCB */
364 int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
365 struct net_device *dev,
366 struct ocb_setup *setup);
367 int cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
368 struct net_device *dev,
369 struct ocb_setup *setup);
370 int __cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
371 struct net_device *dev);
372 int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
373 struct net_device *dev);
374
375 /* AP */
376 int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
377 struct net_device *dev, int link,
378 bool notify);
379 int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
380 struct net_device *dev, int link,
381 bool notify);
382
383 /* MLME */
384 int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
385 struct net_device *dev,
386 struct cfg80211_auth_request *req);
387 int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
388 struct net_device *dev,
389 struct cfg80211_assoc_request *req);
390 int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
391 struct net_device *dev, const u8 *bssid,
392 const u8 *ie, int ie_len, u16 reason,
393 bool local_state_change);
394 int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
395 struct net_device *dev, const u8 *ap_addr,
396 const u8 *ie, int ie_len, u16 reason,
397 bool local_state_change);
398 void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
399 struct net_device *dev);
400 int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
401 u16 frame_type, const u8 *match_data,
402 int match_len, bool multicast_rx,
403 struct netlink_ext_ack *extack);
404 void cfg80211_mgmt_registrations_update_wk(struct work_struct *wk);
405 void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid);
406 void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev);
407 int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
408 struct wireless_dev *wdev,
409 struct cfg80211_mgmt_tx_params *params,
410 u64 *cookie);
411 void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa,
412 const struct ieee80211_ht_cap *ht_capa_mask);
413 void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa,
414 const struct ieee80211_vht_cap *vht_capa_mask);
415
416 /* SME events */
417 int cfg80211_connect(struct cfg80211_registered_device *rdev,
418 struct net_device *dev,
419 struct cfg80211_connect_params *connect,
420 struct cfg80211_cached_keys *connkeys,
421 const u8 *prev_bssid);
422 void __cfg80211_connect_result(struct net_device *dev,
423 struct cfg80211_connect_resp_params *params,
424 bool wextev);
425 void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
426 size_t ie_len, u16 reason, bool from_ap);
427 int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
428 struct net_device *dev, u16 reason,
429 bool wextev);
430 void __cfg80211_roamed(struct wireless_dev *wdev,
431 struct cfg80211_roam_info *info);
432 void __cfg80211_port_authorized(struct wireless_dev *wdev, const u8 *bssid,
433 const u8 *td_bitmap, u8 td_bitmap_len);
434 int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
435 struct wireless_dev *wdev);
436 void cfg80211_autodisconnect_wk(struct work_struct *work);
437
438 /* SME implementation */
439 void cfg80211_conn_work(struct work_struct *work);
440 void cfg80211_sme_scan_done(struct net_device *dev);
441 bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status);
442 void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len);
443 void cfg80211_sme_disassoc(struct wireless_dev *wdev);
444 void cfg80211_sme_deauth(struct wireless_dev *wdev);
445 void cfg80211_sme_auth_timeout(struct wireless_dev *wdev);
446 void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev);
447 void cfg80211_sme_abandon_assoc(struct wireless_dev *wdev);
448
449 /* internal helpers */
450 bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher);
451 bool cfg80211_valid_key_idx(struct cfg80211_registered_device *rdev,
452 int key_idx, bool pairwise);
453 int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
454 struct key_params *params, int key_idx,
455 bool pairwise, const u8 *mac_addr);
456 void __cfg80211_scan_done(struct wiphy *wiphy, struct wiphy_work *wk);
457 void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev,
458 bool send_message);
459 void cfg80211_add_sched_scan_req(struct cfg80211_registered_device *rdev,
460 struct cfg80211_sched_scan_request *req);
461 int cfg80211_sched_scan_req_possible(struct cfg80211_registered_device *rdev,
462 bool want_multi);
463 void cfg80211_sched_scan_results_wk(struct work_struct *work);
464 int cfg80211_stop_sched_scan_req(struct cfg80211_registered_device *rdev,
465 struct cfg80211_sched_scan_request *req,
466 bool driver_initiated);
467 int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
468 u64 reqid, bool driver_initiated);
469 void cfg80211_upload_connect_keys(struct wireless_dev *wdev);
470 int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
471 struct net_device *dev, enum nl80211_iftype ntype,
472 struct vif_params *params);
473 void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev);
474 void cfg80211_process_wiphy_works(struct cfg80211_registered_device *rdev,
475 struct wiphy_work *end);
476 void cfg80211_process_wdev_events(struct wireless_dev *wdev);
477
478 bool cfg80211_does_bw_fit_range(const struct ieee80211_freq_range *freq_range,
479 u32 center_freq_khz, u32 bw_khz);
480
481 int cfg80211_scan(struct cfg80211_registered_device *rdev);
482
483 extern struct work_struct cfg80211_disconnect_work;
484
485 /**
486 * cfg80211_chandef_dfs_usable - checks if chandef is DFS usable
487 * @wiphy: the wiphy to validate against
488 * @chandef: the channel definition to check
489 *
490 * Checks if chandef is usable and we can/need start CAC on such channel.
491 *
492 * Return: true if all channels available and at least
493 * one channel requires CAC (NL80211_DFS_USABLE)
494 */
495 bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy,
496 const struct cfg80211_chan_def *chandef);
497
498 #define NL80211_BSS_USE_FOR_ALL (NL80211_BSS_USE_FOR_NORMAL | \
499 NL80211_BSS_USE_FOR_MLD_LINK)
500
501 void cfg80211_set_dfs_state(struct wiphy *wiphy,
502 const struct cfg80211_chan_def *chandef,
503 enum nl80211_dfs_state dfs_state);
504
505 void cfg80211_dfs_channels_update_work(struct work_struct *work);
506
507 unsigned int
508 cfg80211_chandef_dfs_cac_time(struct wiphy *wiphy,
509 const struct cfg80211_chan_def *chandef);
510
511 void cfg80211_sched_dfs_chan_update(struct cfg80211_registered_device *rdev);
512
513 int
514 cfg80211_start_background_radar_detection(struct cfg80211_registered_device *rdev,
515 struct wireless_dev *wdev,
516 struct cfg80211_chan_def *chandef);
517
518 void cfg80211_stop_background_radar_detection(struct wireless_dev *wdev);
519
520 void cfg80211_background_cac_done_wk(struct work_struct *work);
521
522 void cfg80211_background_cac_abort_wk(struct work_struct *work);
523
524 bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy,
525 struct ieee80211_channel *chan);
526
527 bool cfg80211_beaconing_iface_active(struct wireless_dev *wdev);
528
529 bool cfg80211_is_sub_chan(struct cfg80211_chan_def *chandef,
530 struct ieee80211_channel *chan,
531 bool primary_only);
532 bool cfg80211_wdev_on_sub_chan(struct wireless_dev *wdev,
533 struct ieee80211_channel *chan,
534 bool primary_only);
535
elapsed_jiffies_msecs(unsigned long start)536 static inline unsigned int elapsed_jiffies_msecs(unsigned long start)
537 {
538 unsigned long end = jiffies;
539
540 if (end >= start)
541 return jiffies_to_msecs(end - start);
542
543 return jiffies_to_msecs(end + (ULONG_MAX - start) + 1);
544 }
545
546 int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev,
547 struct cfg80211_chan_def *chandef);
548
549 int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
550 const u8 *rates, unsigned int n_rates,
551 u32 *mask);
552
553 int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
554 enum nl80211_iftype iftype, u32 beacon_int);
555
556 void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
557 enum nl80211_iftype iftype, int num);
558
559 void __cfg80211_leave(struct cfg80211_registered_device *rdev,
560 struct wireless_dev *wdev);
561 void cfg80211_leave(struct cfg80211_registered_device *rdev,
562 struct wireless_dev *wdev);
563
564 void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
565 struct wireless_dev *wdev);
566
567 void cfg80211_stop_nan(struct cfg80211_registered_device *rdev,
568 struct wireless_dev *wdev);
569
570 struct cfg80211_internal_bss *
571 cfg80211_bss_update(struct cfg80211_registered_device *rdev,
572 struct cfg80211_internal_bss *tmp,
573 bool signal_valid, unsigned long ts);
574 #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS
575 #define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond)
576 #else
577 /*
578 * Trick to enable using it as a condition,
579 * and also not give a warning when it's
580 * not used that way.
581 */
582 #define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; })
583 #endif
584
585 void cfg80211_release_pmsr(struct wireless_dev *wdev, u32 portid);
586 void cfg80211_pmsr_wdev_down(struct wireless_dev *wdev);
587 void cfg80211_pmsr_free_wk(struct work_struct *work);
588
589 void cfg80211_remove_link(struct wireless_dev *wdev, unsigned int link_id);
590 void cfg80211_remove_links(struct wireless_dev *wdev);
591 int cfg80211_remove_virtual_intf(struct cfg80211_registered_device *rdev,
592 struct wireless_dev *wdev);
593 void cfg80211_wdev_release_link_bsses(struct wireless_dev *wdev, u16 link_mask);
594
595 #endif /* __NET_WIRELESS_CORE_H */
596