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) 2018-2024 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 |
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 |
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(objp: rdev->wiphy.wowlan_config->patterns[i].mask); |
139 | kfree(objp: rdev->wiphy.wowlan_config->patterns); |
140 | if (rdev->wiphy.wowlan_config->tcp && |
141 | rdev->wiphy.wowlan_config->tcp->sock) |
142 | sock_release(sock: rdev->wiphy.wowlan_config->tcp->sock); |
143 | kfree(objp: rdev->wiphy.wowlan_config->tcp); |
144 | kfree(objp: rdev->wiphy.wowlan_config->nd_config); |
145 | kfree(objp: rdev->wiphy.wowlan_config); |
146 | #endif |
147 | } |
148 | |
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 */ |
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 | struct cfg80211_internal_bss { |
174 | struct list_head list; |
175 | struct list_head hidden_list; |
176 | struct rb_node rbn; |
177 | u64 ts_boottime; |
178 | unsigned long ts; |
179 | unsigned long refcount; |
180 | atomic_t hold; |
181 | |
182 | /* time at the start of the reception of the first octet of the |
183 | * timestamp field of the last beacon/probe received for this BSS. |
184 | * The time is the TSF of the BSS specified by %parent_bssid. |
185 | */ |
186 | u64 parent_tsf; |
187 | |
188 | /* the BSS according to which %parent_tsf is set. This is set to |
189 | * the BSS that the interface that requested the scan was connected to |
190 | * when the beacon/probe was received. |
191 | */ |
192 | u8 parent_bssid[ETH_ALEN] __aligned(2); |
193 | |
194 | /* must be last because of priv member */ |
195 | struct cfg80211_bss pub; |
196 | }; |
197 | |
198 | static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub) |
199 | { |
200 | return container_of(pub, struct cfg80211_internal_bss, pub); |
201 | } |
202 | |
203 | static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss) |
204 | { |
205 | atomic_inc(v: &bss->hold); |
206 | if (bss->pub.transmitted_bss) { |
207 | bss = container_of(bss->pub.transmitted_bss, |
208 | struct cfg80211_internal_bss, pub); |
209 | atomic_inc(v: &bss->hold); |
210 | } |
211 | } |
212 | |
213 | static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss) |
214 | { |
215 | int r = atomic_dec_return(v: &bss->hold); |
216 | WARN_ON(r < 0); |
217 | if (bss->pub.transmitted_bss) { |
218 | bss = container_of(bss->pub.transmitted_bss, |
219 | struct cfg80211_internal_bss, pub); |
220 | r = atomic_dec_return(v: &bss->hold); |
221 | WARN_ON(r < 0); |
222 | } |
223 | } |
224 | |
225 | |
226 | struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx); |
227 | int get_wiphy_idx(struct wiphy *wiphy); |
228 | |
229 | struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx); |
230 | |
231 | int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, |
232 | struct net *net); |
233 | |
234 | void cfg80211_init_wdev(struct wireless_dev *wdev); |
235 | void cfg80211_register_wdev(struct cfg80211_registered_device *rdev, |
236 | struct wireless_dev *wdev); |
237 | |
238 | static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev) |
239 | { |
240 | lockdep_assert_held(&rdev->wiphy.mtx); |
241 | |
242 | return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces && |
243 | rdev->num_running_ifaces > 0; |
244 | } |
245 | |
246 | enum cfg80211_event_type { |
247 | EVENT_CONNECT_RESULT, |
248 | EVENT_ROAMED, |
249 | EVENT_DISCONNECTED, |
250 | EVENT_IBSS_JOINED, |
251 | EVENT_STOPPED, |
252 | EVENT_PORT_AUTHORIZED, |
253 | }; |
254 | |
255 | struct cfg80211_event { |
256 | struct list_head list; |
257 | enum cfg80211_event_type type; |
258 | |
259 | union { |
260 | struct cfg80211_connect_resp_params cr; |
261 | struct cfg80211_roam_info rm; |
262 | struct { |
263 | const u8 *ie; |
264 | size_t ie_len; |
265 | u16 reason; |
266 | bool locally_generated; |
267 | } dc; |
268 | struct { |
269 | u8 bssid[ETH_ALEN]; |
270 | struct ieee80211_channel *channel; |
271 | } ij; |
272 | struct { |
273 | u8 peer_addr[ETH_ALEN]; |
274 | const u8 *td_bitmap; |
275 | u8 td_bitmap_len; |
276 | } pa; |
277 | }; |
278 | }; |
279 | |
280 | struct cfg80211_cached_keys { |
281 | struct key_params params[4]; |
282 | u8 data[4][WLAN_KEY_LEN_WEP104]; |
283 | int def; |
284 | }; |
285 | |
286 | struct cfg80211_beacon_registration { |
287 | struct list_head list; |
288 | u32 nlportid; |
289 | }; |
290 | |
291 | struct cfg80211_cqm_config { |
292 | struct rcu_head rcu_head; |
293 | u32 ; |
294 | s32 ; |
295 | enum nl80211_cqm_rssi_threshold_event ; |
296 | bool use_range_api; |
297 | int ; |
298 | s32 [] __counted_by(n_rssi_thresholds); |
299 | }; |
300 | |
301 | void (struct wiphy *wiphy, |
302 | struct wiphy_work *work); |
303 | |
304 | void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev); |
305 | |
306 | /* free object */ |
307 | void cfg80211_dev_free(struct cfg80211_registered_device *rdev); |
308 | |
309 | int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, |
310 | char *newname); |
311 | |
312 | void ieee80211_set_bitrate_flags(struct wiphy *wiphy); |
313 | |
314 | void cfg80211_bss_expire(struct cfg80211_registered_device *rdev); |
315 | void cfg80211_bss_age(struct cfg80211_registered_device *rdev, |
316 | unsigned long age_secs); |
317 | void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev, |
318 | unsigned int link, |
319 | struct ieee80211_channel *channel); |
320 | |
321 | /* IBSS */ |
322 | int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, |
323 | struct net_device *dev, |
324 | struct cfg80211_ibss_params *params, |
325 | struct cfg80211_cached_keys *connkeys); |
326 | void cfg80211_clear_ibss(struct net_device *dev, bool nowext); |
327 | int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
328 | struct net_device *dev, bool nowext); |
329 | void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, |
330 | struct ieee80211_channel *channel); |
331 | int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, |
332 | struct wireless_dev *wdev); |
333 | |
334 | /* mesh */ |
335 | extern const struct mesh_config default_mesh_config; |
336 | extern const struct mesh_setup default_mesh_setup; |
337 | int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, |
338 | struct net_device *dev, |
339 | struct mesh_setup *setup, |
340 | const struct mesh_config *conf); |
341 | int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, |
342 | struct net_device *dev); |
343 | int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev, |
344 | struct wireless_dev *wdev, |
345 | struct cfg80211_chan_def *chandef); |
346 | |
347 | /* OCB */ |
348 | int cfg80211_join_ocb(struct cfg80211_registered_device *rdev, |
349 | struct net_device *dev, |
350 | struct ocb_setup *setup); |
351 | int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev, |
352 | struct net_device *dev); |
353 | |
354 | /* AP */ |
355 | int cfg80211_stop_ap(struct cfg80211_registered_device *rdev, |
356 | struct net_device *dev, int link, |
357 | bool notify); |
358 | |
359 | /* MLME */ |
360 | int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, |
361 | struct net_device *dev, |
362 | struct cfg80211_auth_request *req); |
363 | int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
364 | struct net_device *dev, |
365 | struct cfg80211_assoc_request *req, |
366 | struct netlink_ext_ack *extack); |
367 | int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, |
368 | struct net_device *dev, const u8 *bssid, |
369 | const u8 *ie, int ie_len, u16 reason, |
370 | bool local_state_change); |
371 | int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, |
372 | struct net_device *dev, const u8 *ap_addr, |
373 | const u8 *ie, int ie_len, u16 reason, |
374 | bool local_state_change); |
375 | void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, |
376 | struct net_device *dev); |
377 | int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, |
378 | u16 frame_type, const u8 *match_data, |
379 | int match_len, bool multicast_rx, |
380 | struct netlink_ext_ack *extack); |
381 | void cfg80211_mgmt_registrations_update_wk(struct work_struct *wk); |
382 | void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid); |
383 | void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev); |
384 | int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, |
385 | struct wireless_dev *wdev, |
386 | struct cfg80211_mgmt_tx_params *params, |
387 | u64 *cookie); |
388 | void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa, |
389 | const struct ieee80211_ht_cap *ht_capa_mask); |
390 | void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa, |
391 | const struct ieee80211_vht_cap *vht_capa_mask); |
392 | |
393 | /* SME events */ |
394 | int cfg80211_connect(struct cfg80211_registered_device *rdev, |
395 | struct net_device *dev, |
396 | struct cfg80211_connect_params *connect, |
397 | struct cfg80211_cached_keys *connkeys, |
398 | const u8 *prev_bssid); |
399 | void __cfg80211_connect_result(struct net_device *dev, |
400 | struct cfg80211_connect_resp_params *params, |
401 | bool wextev); |
402 | void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, |
403 | size_t ie_len, u16 reason, bool from_ap); |
404 | int cfg80211_disconnect(struct cfg80211_registered_device *rdev, |
405 | struct net_device *dev, u16 reason, |
406 | bool wextev); |
407 | void __cfg80211_roamed(struct wireless_dev *wdev, |
408 | struct cfg80211_roam_info *info); |
409 | void __cfg80211_port_authorized(struct wireless_dev *wdev, const u8 *peer_addr, |
410 | const u8 *td_bitmap, u8 td_bitmap_len); |
411 | int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev, |
412 | struct wireless_dev *wdev); |
413 | void cfg80211_autodisconnect_wk(struct work_struct *work); |
414 | |
415 | /* SME implementation */ |
416 | void cfg80211_conn_work(struct work_struct *work); |
417 | void cfg80211_sme_scan_done(struct net_device *dev); |
418 | bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status); |
419 | void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len); |
420 | void cfg80211_sme_disassoc(struct wireless_dev *wdev); |
421 | void cfg80211_sme_deauth(struct wireless_dev *wdev); |
422 | void cfg80211_sme_auth_timeout(struct wireless_dev *wdev); |
423 | void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev); |
424 | void cfg80211_sme_abandon_assoc(struct wireless_dev *wdev); |
425 | |
426 | /* internal helpers */ |
427 | bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher); |
428 | bool cfg80211_valid_key_idx(struct cfg80211_registered_device *rdev, |
429 | int key_idx, bool pairwise); |
430 | int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, |
431 | struct key_params *params, int key_idx, |
432 | bool pairwise, const u8 *mac_addr); |
433 | void __cfg80211_scan_done(struct wiphy *wiphy, struct wiphy_work *wk); |
434 | void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, |
435 | bool send_message); |
436 | void cfg80211_add_sched_scan_req(struct cfg80211_registered_device *rdev, |
437 | struct cfg80211_sched_scan_request *req); |
438 | int cfg80211_sched_scan_req_possible(struct cfg80211_registered_device *rdev, |
439 | bool want_multi); |
440 | void cfg80211_sched_scan_results_wk(struct work_struct *work); |
441 | int cfg80211_stop_sched_scan_req(struct cfg80211_registered_device *rdev, |
442 | struct cfg80211_sched_scan_request *req, |
443 | bool driver_initiated); |
444 | int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev, |
445 | u64 reqid, bool driver_initiated); |
446 | void cfg80211_upload_connect_keys(struct wireless_dev *wdev); |
447 | int cfg80211_change_iface(struct cfg80211_registered_device *rdev, |
448 | struct net_device *dev, enum nl80211_iftype ntype, |
449 | struct vif_params *params); |
450 | void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev); |
451 | void cfg80211_process_wiphy_works(struct cfg80211_registered_device *rdev, |
452 | struct wiphy_work *end); |
453 | void cfg80211_process_wdev_events(struct wireless_dev *wdev); |
454 | |
455 | bool cfg80211_does_bw_fit_range(const struct ieee80211_freq_range *freq_range, |
456 | u32 center_freq_khz, u32 bw_khz); |
457 | |
458 | int cfg80211_scan(struct cfg80211_registered_device *rdev); |
459 | |
460 | extern struct work_struct cfg80211_disconnect_work; |
461 | |
462 | #define NL80211_BSS_USE_FOR_ALL (NL80211_BSS_USE_FOR_NORMAL | \ |
463 | NL80211_BSS_USE_FOR_MLD_LINK) |
464 | |
465 | void cfg80211_set_dfs_state(struct wiphy *wiphy, |
466 | const struct cfg80211_chan_def *chandef, |
467 | enum nl80211_dfs_state dfs_state); |
468 | |
469 | void cfg80211_dfs_channels_update_work(struct work_struct *work); |
470 | |
471 | void cfg80211_sched_dfs_chan_update(struct cfg80211_registered_device *rdev); |
472 | |
473 | int |
474 | cfg80211_start_background_radar_detection(struct cfg80211_registered_device *rdev, |
475 | struct wireless_dev *wdev, |
476 | struct cfg80211_chan_def *chandef); |
477 | |
478 | void cfg80211_stop_background_radar_detection(struct wireless_dev *wdev); |
479 | |
480 | void cfg80211_background_cac_done_wk(struct work_struct *work); |
481 | |
482 | void cfg80211_background_cac_abort_wk(struct work_struct *work); |
483 | |
484 | bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy, |
485 | struct ieee80211_channel *chan); |
486 | |
487 | bool cfg80211_beaconing_iface_active(struct wireless_dev *wdev); |
488 | |
489 | bool cfg80211_is_sub_chan(struct cfg80211_chan_def *chandef, |
490 | struct ieee80211_channel *chan, |
491 | bool primary_only); |
492 | bool cfg80211_wdev_on_sub_chan(struct wireless_dev *wdev, |
493 | struct ieee80211_channel *chan, |
494 | bool primary_only); |
495 | bool _cfg80211_chandef_usable(struct wiphy *wiphy, |
496 | const struct cfg80211_chan_def *chandef, |
497 | u32 prohibited_flags, bool monitor); |
498 | |
499 | static inline unsigned int elapsed_jiffies_msecs(unsigned long start) |
500 | { |
501 | unsigned long end = jiffies; |
502 | |
503 | if (end >= start) |
504 | return jiffies_to_msecs(j: end - start); |
505 | |
506 | return jiffies_to_msecs(j: end + (ULONG_MAX - start) + 1); |
507 | } |
508 | |
509 | int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, |
510 | struct cfg80211_chan_def *chandef); |
511 | |
512 | int ieee80211_get_ratemask(struct ieee80211_supported_band *sband, |
513 | const u8 *rates, unsigned int n_rates, |
514 | u32 *mask); |
515 | |
516 | int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev, |
517 | enum nl80211_iftype iftype, u32 beacon_int); |
518 | |
519 | void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev, |
520 | enum nl80211_iftype iftype, int num); |
521 | |
522 | void cfg80211_leave(struct cfg80211_registered_device *rdev, |
523 | struct wireless_dev *wdev); |
524 | |
525 | void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev, |
526 | struct wireless_dev *wdev); |
527 | |
528 | void cfg80211_stop_nan(struct cfg80211_registered_device *rdev, |
529 | struct wireless_dev *wdev); |
530 | |
531 | struct cfg80211_internal_bss * |
532 | cfg80211_bss_update(struct cfg80211_registered_device *rdev, |
533 | struct cfg80211_internal_bss *tmp, |
534 | bool signal_valid, unsigned long ts); |
535 | #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS |
536 | #define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond) |
537 | #else |
538 | /* |
539 | * Trick to enable using it as a condition, |
540 | * and also not give a warning when it's |
541 | * not used that way. |
542 | */ |
543 | #define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; }) |
544 | #endif |
545 | |
546 | void cfg80211_release_pmsr(struct wireless_dev *wdev, u32 portid); |
547 | void cfg80211_pmsr_wdev_down(struct wireless_dev *wdev); |
548 | void cfg80211_pmsr_free_wk(struct work_struct *work); |
549 | |
550 | void cfg80211_remove_link(struct wireless_dev *wdev, unsigned int link_id); |
551 | void cfg80211_remove_links(struct wireless_dev *wdev); |
552 | int cfg80211_remove_virtual_intf(struct cfg80211_registered_device *rdev, |
553 | struct wireless_dev *wdev); |
554 | void cfg80211_wdev_release_link_bsses(struct wireless_dev *wdev, u16 link_mask); |
555 | |
556 | /** |
557 | * struct cfg80211_colocated_ap - colocated AP information |
558 | * |
559 | * @list: linked list to all colocated APs |
560 | * @bssid: BSSID of the reported AP |
561 | * @ssid: SSID of the reported AP |
562 | * @ssid_len: length of the ssid |
563 | * @center_freq: frequency the reported AP is on |
564 | * @unsolicited_probe: the reported AP is part of an ESS, where all the APs |
565 | * that operate in the same channel as the reported AP and that might be |
566 | * detected by a STA receiving this frame, are transmitting unsolicited |
567 | * Probe Response frames every 20 TUs |
568 | * @oct_recommended: OCT is recommended to exchange MMPDUs with the reported AP |
569 | * @same_ssid: the reported AP has the same SSID as the reporting AP |
570 | * @multi_bss: the reported AP is part of a multiple BSSID set |
571 | * @transmitted_bssid: the reported AP is the transmitting BSSID |
572 | * @colocated_ess: all the APs that share the same ESS as the reported AP are |
573 | * colocated and can be discovered via legacy bands. |
574 | * @short_ssid_valid: short_ssid is valid and can be used |
575 | * @short_ssid: the short SSID for this SSID |
576 | * @psd_20: The 20MHz PSD EIRP of the primary 20MHz channel for the reported AP |
577 | */ |
578 | struct cfg80211_colocated_ap { |
579 | struct list_head list; |
580 | u8 bssid[ETH_ALEN]; |
581 | u8 ssid[IEEE80211_MAX_SSID_LEN]; |
582 | size_t ssid_len; |
583 | u32 short_ssid; |
584 | u32 center_freq; |
585 | u8 unsolicited_probe:1, |
586 | oct_recommended:1, |
587 | same_ssid:1, |
588 | multi_bss:1, |
589 | transmitted_bssid:1, |
590 | colocated_ess:1, |
591 | short_ssid_valid:1; |
592 | s8 psd_20; |
593 | }; |
594 | |
595 | #if IS_ENABLED(CONFIG_CFG80211_KUNIT_TEST) |
596 | #define EXPORT_SYMBOL_IF_CFG80211_KUNIT(sym) EXPORT_SYMBOL_IF_KUNIT(sym) |
597 | #define VISIBLE_IF_CFG80211_KUNIT |
598 | void cfg80211_free_coloc_ap_list(struct list_head *coloc_ap_list); |
599 | |
600 | int cfg80211_parse_colocated_ap(const struct cfg80211_bss_ies *ies, |
601 | struct list_head *list); |
602 | |
603 | size_t cfg80211_gen_new_ie(const u8 *ie, size_t ielen, |
604 | const u8 *subie, size_t subie_len, |
605 | u8 *new_ie, size_t new_ie_len); |
606 | #else |
607 | #define EXPORT_SYMBOL_IF_CFG80211_KUNIT(sym) |
608 | #define VISIBLE_IF_CFG80211_KUNIT static |
609 | #endif /* IS_ENABLED(CONFIG_CFG80211_KUNIT_TEST) */ |
610 | |
611 | #endif /* __NET_WIRELESS_CORE_H */ |
612 | |