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Merge tag 'media/v6.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab...
[linux-2.6-block.git] / net / wireless / core.h
CommitLineData
b2441318 1/* SPDX-License-Identifier: GPL-2.0 */
704232c2
JB		 2/*
3 * Wireless configuration interface internals.
4 *
5f2aa25e 5 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
a110a3b7 6 * Copyright (C) 2018-2024 Intel Corporation
704232c2
JB		 7 */
8#ifndef __NET_WIRELESS_CORE_H
9#define __NET_WIRELESS_CORE_H
704232c2
JB		 10#include <linux/list.h>
11#include <linux/netdevice.h>
2a519311 12#include <linux/rbtree.h>
1ac61302 13#include <linux/debugfs.h>
1f87f7d3
JB		 14#include <linux/rfkill.h>
15#include <linux/workqueue.h>
c5a7e582 16#include <linux/rtnetlink.h>
704232c2 17#include <net/genetlink.h>
704232c2 18#include <net/cfg80211.h>
3f2355cb 19#include "reg.h"
704232c2 20
f4173766
JB		 21
22#define WIPHY_IDX_INVALID -1
23
704232c2 24struct cfg80211_registered_device {
3dcf670b 25 const struct cfg80211_ops *ops;
704232c2 26 struct list_head list;
704232c2 27
1f87f7d3
JB		 28 /* rfkill support */
29 struct rfkill_ops rfkill_ops;
3cfe91c4 30 struct work_struct rfkill_block;
1f87f7d3 31
3f2355cb
LR		 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
b0d7aa59
JD		 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
3f2355cb
LR		 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
704232c2 51 /* wiphy index, internal only */
b5850a7a 52 int wiphy_idx;
704232c2 53
53873f13 54 /* protected by RTNL */
89a54e48 55 int devlist_generation, wdev_id;
8b9b2f06 56 int opencount;
ad002395 57 wait_queue_head_t dev_wait;
704232c2 58
37c73b5f
BG		 59 struct list_head beacon_registrations;
60 spinlock_t beacon_registrations_lock;
5e760230 61
c5a7e582 62 /* protected by RTNL only */
dbbae26a
MK		 63 int num_running_ifaces;
64 int num_running_monitor_ifaces;
b60ad348 65 u64 cookie_counter;
dbbae26a 66
2a519311
JB		 67 /* BSSes/scanning */
68 spinlock_t bss_lock;
69 struct list_head bss_list;
70 struct rb_root bss_tree;
71 u32 bss_generation;
9853a55e 72 u32 bss_entries;
2a519311 73 struct cfg80211_scan_request *scan_req; /* protected by RTNL */
c8cb5b85 74 struct cfg80211_scan_request *int_scan_req;
f9d15d16 75 struct sk_buff *scan_msg;
ca986ad9 76 struct list_head sched_scan_req_list;
fe0984d3 77 time64_t suspend_at;
fe0af9fe 78 struct wiphy_work scan_done_wk;
2a519311 79
ad7e718c 80 struct genl_info *cur_cmd_info;
aff89a9b 81
6829c878 82 struct work_struct conn_work;
667503dd 83 struct work_struct event_work;
6829c878 84
04f39047
SW		 85 struct delayed_work dfs_update_channels_wk;
86
a95bfb87
LB		 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;
bc2dfc02 91
5de17984
AS		 92 /* netlink port which started critical protocol (0 means not started) */
93 u32 crit_proto_nlportid;
94
be29b99a
AK		 95 struct cfg80211_coalesce *coalesce;
96
78f22b6a 97 struct work_struct destroy_work;
c88d7178 98 struct wiphy_work sched_scan_stop_wk;
b34939b9 99 struct work_struct sched_scan_res_wk;
93a1e86c 100
89766727
VT		 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
79ea1e12 107 struct work_struct mgmt_registrations_update_wk;
09b1d5dc
JB		 108 /* lock for all wdev lists */
109 spinlock_t mgmt_registrations_lock;
79ea1e12 110
a3ee4dc8
JB		 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
704232c2
JB		 117 /* must be last because of the way we do wiphy_priv(),
118 * and it should at least be aligned to NETDEV_ALIGN */
1c06ef98 119 struct wiphy wiphy __aligned(NETDEV_ALIGN);
704232c2
JB		 120};
121
122static inline
f26cbf40 123struct cfg80211_registered_device *wiphy_to_rdev(struct wiphy *wiphy)
704232c2
JB		 124{
125 BUG_ON(!wiphy);
126 return container_of(wiphy, struct cfg80211_registered_device, wiphy);
127}
128
ff1b6e69
JB		 129static inline void
130cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev)
131{
6abb9cb9 132#ifdef CONFIG_PM
ff1b6e69
JB		 133 int i;
134
6abb9cb9 135 if (!rdev->wiphy.wowlan_config)
ff1b6e69 136 return;
6abb9cb9
JB		 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);
8cd4d456 144 kfree(rdev->wiphy.wowlan_config->nd_config);
6abb9cb9
JB		 145 kfree(rdev->wiphy.wowlan_config);
146#endif
ff1b6e69 147}
e60d7443 148
b60ad348
JB		 149static 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
e60d7443 159extern struct workqueue_struct *cfg80211_wq;
79c97e97 160extern struct list_head cfg80211_rdev_list;
f5ea9120 161extern int cfg80211_rdev_list_generation;
704232c2 162
7483a214
JB		 163/* This is constructed like this so it can be used in if/else */
164static 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
0fdcc994
VJ		 173enum bss_source_type {
174 BSS_SOURCE_DIRECT = 0,
175 BSS_SOURCE_MBSSID,
176 BSS_SOURCE_STA_PROFILE,
177};
178
2a519311
JB		 179struct cfg80211_internal_bss {
180 struct list_head list;
776b3580 181 struct list_head hidden_list;
2a519311 182 struct rb_node rbn;
6e19bc4b 183 u64 ts_boottime;
2a519311 184 unsigned long ts;
776b3580 185 unsigned long refcount;
19957bb3 186 atomic_t hold;
a08c1c1a 187
1d76250b
AS		 188 /* time at the start of the reception of the first octet of the
189 * timestamp field of the last beacon/probe received for this BSS.
190 * The time is the TSF of the BSS specified by %parent_bssid.
191 */
192 u64 parent_tsf;
193
194 /* the BSS according to which %parent_tsf is set. This is set to
195 * the BSS that the interface that requested the scan was connected to
196 * when the beacon/probe was received.
197 */
198 u8 parent_bssid[ETH_ALEN] __aligned(2);
199
bff93c89
VJ		 200 enum bss_source_type bss_source;
201
2a519311
JB		 202 /* must be last because of priv member */
203 struct cfg80211_bss pub;
204};
205
19957bb3
JB		 206static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub)
207{
208 return container_of(pub, struct cfg80211_internal_bss, pub);
209}
210
211static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss)
212{
213 atomic_inc(&bss->hold);
7011ba58
SS		 214 if (bss->pub.transmitted_bss) {
215 bss = container_of(bss->pub.transmitted_bss,
a3584f56
SS		 216 struct cfg80211_internal_bss, pub);
217 atomic_inc(&bss->hold);
218 }
19957bb3
JB		 219}
220
221static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss)
222{
223 int r = atomic_dec_return(&bss->hold);
224 WARN_ON(r < 0);
7011ba58
SS		 225 if (bss->pub.transmitted_bss) {
226 bss = container_of(bss->pub.transmitted_bss,
a3584f56
SS		 227 struct cfg80211_internal_bss, pub);
228 r = atomic_dec_return(&bss->hold);
229 WARN_ON(r < 0);
230 }
19957bb3
JB		 231}
232
233
79c97e97 234struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx);
806a9e39
LR		 235int get_wiphy_idx(struct wiphy *wiphy);
236
806a9e39
LR		 237struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
238
463d0183
JB		 239int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
240 struct net *net);
55682965 241
9bdaf3b9
JB		 242void cfg80211_init_wdev(struct wireless_dev *wdev);
243void cfg80211_register_wdev(struct cfg80211_registered_device *rdev,
244 struct wireless_dev *wdev);
e4d4216e 245
dbbae26a
MK		 246static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev)
247{
a05829a7 248 lockdep_assert_held(&rdev->wiphy.mtx);
dbbae26a
MK		 249
250 return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces &&
251 rdev->num_running_ifaces > 0;
252}
253
667503dd
JB		 254enum cfg80211_event_type {
255 EVENT_CONNECT_RESULT,
256 EVENT_ROAMED,
257 EVENT_DISCONNECTED,
258 EVENT_IBSS_JOINED,
f04c2203 259 EVENT_STOPPED,
503c1fb9 260 EVENT_PORT_AUTHORIZED,
667503dd
JB		 261};
262
263struct cfg80211_event {
264 struct list_head list;
265 enum cfg80211_event_type type;
266
267 union {
5349a0f7 268 struct cfg80211_connect_resp_params cr;
29ce6ecb 269 struct cfg80211_roam_info rm;
667503dd
JB		 270 struct {
271 const u8 *ie;
272 size_t ie_len;
273 u16 reason;
80279fb7 274 bool locally_generated;
667503dd
JB		 275 } dc;
276 struct {
277 u8 bssid[ETH_ALEN];
fe94f3a4 278 struct ieee80211_channel *channel;
667503dd 279 } ij;
503c1fb9 280 struct {
e4e7e3af 281 u8 peer_addr[ETH_ALEN];
0ff57171
VY		 282 const u8 *td_bitmap;
283 u8 td_bitmap_len;
503c1fb9 284 } pa;
667503dd
JB		 285 };
286};
287
fffd0934 288struct cfg80211_cached_keys {
585b6e13
JB		 289 struct key_params params[4];
290 u8 data[4][WLAN_KEY_LEN_WEP104];
89b706fb 291 int def;
fffd0934
JB		 292};
293
37c73b5f
BG		 294struct cfg80211_beacon_registration {
295 struct list_head list;
296 u32 nlportid;
297};
667503dd 298
4a4b8169 299struct cfg80211_cqm_config {
37c20b2e 300 struct rcu_head rcu_head;
4a4b8169
AZ		 301 u32 rssi_hyst;
302 s32 last_rssi_event_value;
37c20b2e 303 enum nl80211_cqm_rssi_threshold_event last_rssi_event_type;
7e7efdda 304 bool use_range_api;
4a4b8169 305 int n_rssi_thresholds;
d4d3aaf2 306 s32 rssi_thresholds[] __counted_by(n_rssi_thresholds);
4a4b8169
AZ		 307};
308
37c20b2e
JB		 309void cfg80211_cqm_rssi_notify_work(struct wiphy *wiphy,
310 struct wiphy_work *work);
311
78f22b6a
JB		 312void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev);
313
704232c2 314/* free object */
c1b1203d 315void cfg80211_dev_free(struct cfg80211_registered_device *rdev);
704232c2 316
c1b1203d
JP		 317int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
318 char *newname);
55682965 319
8318d78a 320void ieee80211_set_bitrate_flags(struct wiphy *wiphy);
8318d78a 321
1b8ec87a
ZG		 322void cfg80211_bss_expire(struct cfg80211_registered_device *rdev);
323void cfg80211_bss_age(struct cfg80211_registered_device *rdev,
cb3a8eec 324 unsigned long age_secs);
0afd425b 325void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev,
7b0a0e3c 326 unsigned int link,
0afd425b 327 struct ieee80211_channel *channel);
2a519311 328
04a773ad 329/* IBSS */
f8d16d3e
DK		 330int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
331 struct net_device *dev,
332 struct cfg80211_ibss_params *params,
333 struct cfg80211_cached_keys *connkeys);
9d308429 334void cfg80211_clear_ibss(struct net_device *dev, bool nowext);
04a773ad 335int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
9d308429 336 struct net_device *dev, bool nowext);
fe94f3a4
AQ		 337void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
338 struct ieee80211_channel *channel);
fffd0934
JB		 339int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
340 struct wireless_dev *wdev);
04a773ad 341
29cbe68c
JB		 342/* mesh */
343extern const struct mesh_config default_mesh_config;
c80d545d 344extern const struct mesh_setup default_mesh_setup;
29cbe68c
JB		 345int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
346 struct net_device *dev,
cc1d2806 347 struct mesh_setup *setup,
29cbe68c 348 const struct mesh_config *conf);
29cbe68c
JB		 349int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
350 struct net_device *dev);
683b6d3b
JB		 351int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev,
352 struct wireless_dev *wdev,
353 struct cfg80211_chan_def *chandef);
29cbe68c 354
6e0bd6c3 355/* OCB */
6e0bd6c3
RL		 356int cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
357 struct net_device *dev,
358 struct ocb_setup *setup);
6e0bd6c3
RL		 359int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
360 struct net_device *dev);
361
60771780
MK		 362/* AP */
363int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
7b0a0e3c
JB		 364 struct net_device *dev, int link,
365 bool notify);
60771780 366
19957bb3
JB		 367/* MLME */
368int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
91bf9b26 369 struct net_device *dev,
325839da 370 struct cfg80211_auth_request *req);
19957bb3 371int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
f62fab73 372 struct net_device *dev,
ccb964b4
JB		 373 struct cfg80211_assoc_request *req,
374 struct netlink_ext_ack *extack);
19957bb3
JB		 375int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
376 struct net_device *dev, const u8 *bssid,
d5cdfacb
JM		 377 const u8 *ie, int ie_len, u16 reason,
378 bool local_state_change);
19957bb3 379int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
8f6e0dfc 380 struct net_device *dev, const u8 *ap_addr,
d5cdfacb
JM		 381 const u8 *ie, int ie_len, u16 reason,
382 bool local_state_change);
19957bb3
JB		 383void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
384 struct net_device *dev);
2e161f78
JB		 385int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
386 u16 frame_type, const u8 *match_data,
9dba48a6
JB		 387 int match_len, bool multicast_rx,
388 struct netlink_ext_ack *extack);
6cd536fe 389void cfg80211_mgmt_registrations_update_wk(struct work_struct *wk);
2e161f78
JB		 390void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid);
391void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev);
392int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
71bbc994 393 struct wireless_dev *wdev,
b176e629
AO		 394 struct cfg80211_mgmt_tx_params *params,
395 u64 *cookie);
7e7c8926
BG		 396void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa,
397 const struct ieee80211_ht_cap *ht_capa_mask);
ee2aca34
JB		 398void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa,
399 const struct ieee80211_vht_cap *vht_capa_mask);
19957bb3 400
ceca7b71 401/* SME events */
b23aa676
SO		 402int cfg80211_connect(struct cfg80211_registered_device *rdev,
403 struct net_device *dev,
fffd0934 404 struct cfg80211_connect_params *connect,
83739b03
JB		 405 struct cfg80211_cached_keys *connkeys,
406 const u8 *prev_bssid);
5349a0f7
VK		 407void __cfg80211_connect_result(struct net_device *dev,
408 struct cfg80211_connect_resp_params *params,
409 bool wextev);
ceca7b71
JB		 410void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
411 size_t ie_len, u16 reason, bool from_ap);
b23aa676 412int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
f2129354
JB		 413 struct net_device *dev, u16 reason,
414 bool wextev);
ed9d0102 415void __cfg80211_roamed(struct wireless_dev *wdev,
29ce6ecb 416 struct cfg80211_roam_info *info);
e4e7e3af 417void __cfg80211_port_authorized(struct wireless_dev *wdev, const u8 *peer_addr,
0ff57171 418 const u8 *td_bitmap, u8 td_bitmap_len);
fffd0934
JB		 419int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
420 struct wireless_dev *wdev);
bd2522b1 421void cfg80211_autodisconnect_wk(struct work_struct *work);
b23aa676 422
ceca7b71 423/* SME implementation */
6829c878 424void cfg80211_conn_work(struct work_struct *work);
ceca7b71
JB		 425void cfg80211_sme_scan_done(struct net_device *dev);
426bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status);
427void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len);
428void cfg80211_sme_disassoc(struct wireless_dev *wdev);
429void cfg80211_sme_deauth(struct wireless_dev *wdev);
430void cfg80211_sme_auth_timeout(struct wireless_dev *wdev);
431void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev);
e6f462df 432void cfg80211_sme_abandon_assoc(struct wireless_dev *wdev);
6829c878 433
08645126 434/* internal helpers */
38ba3c57 435bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher);
2d946308
AT		 436bool cfg80211_valid_key_idx(struct cfg80211_registered_device *rdev,
437 int key_idx, bool pairwise);
fffd0934
JB		 438int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
439 struct key_params *params, int key_idx,
e31b8213 440 bool pairwise, const u8 *mac_addr);
fe0af9fe 441void __cfg80211_scan_done(struct wiphy *wiphy, struct wiphy_work *wk);
f9d15d16
JB		 442void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev,
443 bool send_message);
ca986ad9
AVS		 444void cfg80211_add_sched_scan_req(struct cfg80211_registered_device *rdev,
445 struct cfg80211_sched_scan_request *req);
446int cfg80211_sched_scan_req_possible(struct cfg80211_registered_device *rdev,
447 bool want_multi);
b34939b9 448void cfg80211_sched_scan_results_wk(struct work_struct *work);
ca986ad9
AVS		 449int cfg80211_stop_sched_scan_req(struct cfg80211_registered_device *rdev,
450 struct cfg80211_sched_scan_request *req,
451 bool driver_initiated);
807f8a8c 452int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
ca986ad9 453 u64 reqid, bool driver_initiated);
fffd0934 454void cfg80211_upload_connect_keys(struct wireless_dev *wdev);
3d54d255
JB		 455int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
456 struct net_device *dev, enum nl80211_iftype ntype,
818a986e 457 struct vif_params *params);
3d54d255 458void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev);
56cfb8ce
JB		 459void cfg80211_process_wiphy_works(struct cfg80211_registered_device *rdev,
460 struct wiphy_work *end);
1f6fc43e 461void cfg80211_process_wdev_events(struct wireless_dev *wdev);
08645126 462
4787cfa0
RM		 463bool cfg80211_does_bw_fit_range(const struct ieee80211_freq_range *freq_range,
464 u32 center_freq_khz, u32 bw_khz);
465
c8cb5b85
TM		 466int cfg80211_scan(struct cfg80211_registered_device *rdev);
467
e005bd7d
JB		 468extern struct work_struct cfg80211_disconnect_work;
469
d02a12b8
JB		 470#define NL80211_BSS_USE_FOR_ALL (NL80211_BSS_USE_FOR_NORMAL | \
471 NL80211_BSS_USE_FOR_MLD_LINK)
472
04f39047
SW		 473void cfg80211_set_dfs_state(struct wiphy *wiphy,
474 const struct cfg80211_chan_def *chandef,
475 enum nl80211_dfs_state dfs_state);
476
477void cfg80211_dfs_channels_update_work(struct work_struct *work);
478
b35a51c7
VT		 479void cfg80211_sched_dfs_chan_update(struct cfg80211_registered_device *rdev);
480
bc2dfc02 481int
a95bfb87
LB		 482cfg80211_start_background_radar_detection(struct cfg80211_registered_device *rdev,
483 struct wireless_dev *wdev,
484 struct cfg80211_chan_def *chandef);
bc2dfc02 485
a95bfb87 486void cfg80211_stop_background_radar_detection(struct wireless_dev *wdev);
bc2dfc02 487
a95bfb87 488void cfg80211_background_cac_done_wk(struct work_struct *work);
1507b153 489
a95bfb87 490void cfg80211_background_cac_abort_wk(struct work_struct *work);
bc2dfc02 491
b35a51c7
VT		 492bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy,
493 struct ieee80211_channel *chan);
494
495bool cfg80211_beaconing_iface_active(struct wireless_dev *wdev);
496
497bool cfg80211_is_sub_chan(struct cfg80211_chan_def *chandef,
7b0a0e3c
JB		 498 struct ieee80211_channel *chan,
499 bool primary_only);
500bool cfg80211_wdev_on_sub_chan(struct wireless_dev *wdev,
501 struct ieee80211_channel *chan,
502 bool primary_only);
a110a3b7
JB		 503bool _cfg80211_chandef_usable(struct wiphy *wiphy,
504 const struct cfg80211_chan_def *chandef,
ca41bfe3
JB		 505 u32 prohibited_flags,
506 u32 permitting_flags);
b35a51c7 507
04f39047
SW		 508static inline unsigned int elapsed_jiffies_msecs(unsigned long start)
509{
510 unsigned long end = jiffies;
511
512 if (end >= start)
513 return jiffies_to_msecs(end - start);
514
0ce12026 515 return jiffies_to_msecs(end + (ULONG_MAX - start) + 1);
04f39047
SW		 516}
517
e8c9bd5b 518int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev,
683b6d3b 519 struct cfg80211_chan_def *chandef);
59bbb6f7 520
34850ab2
JB		 521int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
522 const u8 *rates, unsigned int n_rates,
523 u32 *mask);
524
56d1893d 525int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
0c317a02 526 enum nl80211_iftype iftype, u32 beacon_int);
56d1893d 527
dbbae26a
MK		 528void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
529 enum nl80211_iftype iftype, int num);
530
81256969
SG		 531void cfg80211_leave(struct cfg80211_registered_device *rdev,
532 struct wireless_dev *wdev);
533
f9f47529
JB		 534void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
535 struct wireless_dev *wdev);
536
cb3b7d87
AB		 537void cfg80211_stop_nan(struct cfg80211_registered_device *rdev,
538 struct wireless_dev *wdev);
539
a3ce17d1
CT		 540struct cfg80211_internal_bss *
541cfg80211_bss_update(struct cfg80211_registered_device *rdev,
542 struct cfg80211_internal_bss *tmp,
543 bool signal_valid, unsigned long ts);
459662e8
JB		 544
545enum ieee80211_ap_reg_power
546cfg80211_get_6ghz_power_type(const u8 *elems, size_t elems_len);
547
f7969969
JB		 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
9bb7e0f2
JB		 559void cfg80211_release_pmsr(struct wireless_dev *wdev, u32 portid);
560void cfg80211_pmsr_wdev_down(struct wireless_dev *wdev);
561void cfg80211_pmsr_free_wk(struct work_struct *work);
562
cdf0a0a8
JB		 563void cfg80211_remove_link(struct wireless_dev *wdev, unsigned int link_id);
564void cfg80211_remove_links(struct wireless_dev *wdev);
565int cfg80211_remove_virtual_intf(struct cfg80211_registered_device *rdev,
566 struct wireless_dev *wdev);
065563b2 567void cfg80211_wdev_release_link_bsses(struct wireless_dev *wdev, u16 link_mask);
cdf0a0a8 568
45d43937
BB		 569/**
570 * struct cfg80211_colocated_ap - colocated AP information
571 *
572 * @list: linked list to all colocated APs
573 * @bssid: BSSID of the reported AP
574 * @ssid: SSID of the reported AP
575 * @ssid_len: length of the ssid
576 * @center_freq: frequency the reported AP is on
577 * @unsolicited_probe: the reported AP is part of an ESS, where all the APs
578 * that operate in the same channel as the reported AP and that might be
579 * detected by a STA receiving this frame, are transmitting unsolicited
580 * Probe Response frames every 20 TUs
581 * @oct_recommended: OCT is recommended to exchange MMPDUs with the reported AP
582 * @same_ssid: the reported AP has the same SSID as the reporting AP
583 * @multi_bss: the reported AP is part of a multiple BSSID set
584 * @transmitted_bssid: the reported AP is the transmitting BSSID
585 * @colocated_ess: all the APs that share the same ESS as the reported AP are
586 * colocated and can be discovered via legacy bands.
587 * @short_ssid_valid: short_ssid is valid and can be used
588 * @short_ssid: the short SSID for this SSID
589 * @psd_20: The 20MHz PSD EIRP of the primary 20MHz channel for the reported AP
590 */
591struct cfg80211_colocated_ap {
592 struct list_head list;
593 u8 bssid[ETH_ALEN];
594 u8 ssid[IEEE80211_MAX_SSID_LEN];
595 size_t ssid_len;
596 u32 short_ssid;
597 u32 center_freq;
598 u8 unsolicited_probe:1,
599 oct_recommended:1,
600 same_ssid:1,
601 multi_bss:1,
602 transmitted_bssid:1,
603 colocated_ess:1,
604 short_ssid_valid:1;
605 s8 psd_20;
606};
607
9d027a35
BB		 608#if IS_ENABLED(CONFIG_CFG80211_KUNIT_TEST)
609#define EXPORT_SYMBOL_IF_CFG80211_KUNIT(sym) EXPORT_SYMBOL_IF_KUNIT(sym)
610#define VISIBLE_IF_CFG80211_KUNIT
45d43937
BB		 611void cfg80211_free_coloc_ap_list(struct list_head *coloc_ap_list);
612
613int cfg80211_parse_colocated_ap(const struct cfg80211_bss_ies *ies,
614 struct list_head *list);
615
9d027a35
BB		 616size_t cfg80211_gen_new_ie(const u8 *ie, size_t ielen,
617 const u8 *subie, size_t subie_len,
618 u8 *new_ie, size_t new_ie_len);
619#else
620#define EXPORT_SYMBOL_IF_CFG80211_KUNIT(sym)
621#define VISIBLE_IF_CFG80211_KUNIT static
622#endif /* IS_ENABLED(CONFIG_CFG80211_KUNIT_TEST) */
623
704232c2 624#endif /* __NET_WIRELESS_CORE_H */
Linux 6.x block layer and io_uring tree(s)