Commit | Line | Data |
---|---|---|
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> |
34c9a0e7 | 6 | * Copyright (C) 2018-2022 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 | 24 | struct 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; |
667503dd | 78 | struct work_struct 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; |
93a1e86c | 98 | struct work_struct 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 | |
704232c2 JB |
111 | /* must be last because of the way we do wiphy_priv(), |
112 | * and it should at least be aligned to NETDEV_ALIGN */ | |
1c06ef98 | 113 | struct wiphy wiphy __aligned(NETDEV_ALIGN); |
704232c2 JB |
114 | }; |
115 | ||
116 | static inline | |
f26cbf40 | 117 | struct cfg80211_registered_device *wiphy_to_rdev(struct wiphy *wiphy) |
704232c2 JB |
118 | { |
119 | BUG_ON(!wiphy); | |
120 | return container_of(wiphy, struct cfg80211_registered_device, wiphy); | |
121 | } | |
122 | ||
ff1b6e69 JB |
123 | static inline void |
124 | cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev) | |
125 | { | |
6abb9cb9 | 126 | #ifdef CONFIG_PM |
ff1b6e69 JB |
127 | int i; |
128 | ||
6abb9cb9 | 129 | if (!rdev->wiphy.wowlan_config) |
ff1b6e69 | 130 | return; |
6abb9cb9 JB |
131 | for (i = 0; i < rdev->wiphy.wowlan_config->n_patterns; i++) |
132 | kfree(rdev->wiphy.wowlan_config->patterns[i].mask); | |
133 | kfree(rdev->wiphy.wowlan_config->patterns); | |
134 | if (rdev->wiphy.wowlan_config->tcp && | |
135 | rdev->wiphy.wowlan_config->tcp->sock) | |
136 | sock_release(rdev->wiphy.wowlan_config->tcp->sock); | |
137 | kfree(rdev->wiphy.wowlan_config->tcp); | |
8cd4d456 | 138 | kfree(rdev->wiphy.wowlan_config->nd_config); |
6abb9cb9 JB |
139 | kfree(rdev->wiphy.wowlan_config); |
140 | #endif | |
ff1b6e69 | 141 | } |
e60d7443 | 142 | |
b60ad348 JB |
143 | static inline u64 cfg80211_assign_cookie(struct cfg80211_registered_device *rdev) |
144 | { | |
145 | u64 r = ++rdev->cookie_counter; | |
146 | ||
147 | if (WARN_ON(r == 0)) | |
148 | r = ++rdev->cookie_counter; | |
149 | ||
150 | return r; | |
151 | } | |
152 | ||
e60d7443 | 153 | extern struct workqueue_struct *cfg80211_wq; |
79c97e97 | 154 | extern struct list_head cfg80211_rdev_list; |
f5ea9120 | 155 | extern int cfg80211_rdev_list_generation; |
704232c2 | 156 | |
2a519311 JB |
157 | struct cfg80211_internal_bss { |
158 | struct list_head list; | |
776b3580 | 159 | struct list_head hidden_list; |
2a519311 | 160 | struct rb_node rbn; |
6e19bc4b | 161 | u64 ts_boottime; |
2a519311 | 162 | unsigned long ts; |
776b3580 | 163 | unsigned long refcount; |
19957bb3 | 164 | atomic_t hold; |
a08c1c1a | 165 | |
1d76250b AS |
166 | /* time at the start of the reception of the first octet of the |
167 | * timestamp field of the last beacon/probe received for this BSS. | |
168 | * The time is the TSF of the BSS specified by %parent_bssid. | |
169 | */ | |
170 | u64 parent_tsf; | |
171 | ||
172 | /* the BSS according to which %parent_tsf is set. This is set to | |
173 | * the BSS that the interface that requested the scan was connected to | |
174 | * when the beacon/probe was received. | |
175 | */ | |
176 | u8 parent_bssid[ETH_ALEN] __aligned(2); | |
177 | ||
2a519311 JB |
178 | /* must be last because of priv member */ |
179 | struct cfg80211_bss pub; | |
180 | }; | |
181 | ||
19957bb3 JB |
182 | static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub) |
183 | { | |
184 | return container_of(pub, struct cfg80211_internal_bss, pub); | |
185 | } | |
186 | ||
187 | static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss) | |
188 | { | |
189 | atomic_inc(&bss->hold); | |
7011ba58 SS |
190 | if (bss->pub.transmitted_bss) { |
191 | bss = container_of(bss->pub.transmitted_bss, | |
a3584f56 SS |
192 | struct cfg80211_internal_bss, pub); |
193 | atomic_inc(&bss->hold); | |
194 | } | |
19957bb3 JB |
195 | } |
196 | ||
197 | static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss) | |
198 | { | |
199 | int r = atomic_dec_return(&bss->hold); | |
200 | WARN_ON(r < 0); | |
7011ba58 SS |
201 | if (bss->pub.transmitted_bss) { |
202 | bss = container_of(bss->pub.transmitted_bss, | |
a3584f56 SS |
203 | struct cfg80211_internal_bss, pub); |
204 | r = atomic_dec_return(&bss->hold); | |
205 | WARN_ON(r < 0); | |
206 | } | |
19957bb3 JB |
207 | } |
208 | ||
209 | ||
79c97e97 | 210 | struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx); |
806a9e39 LR |
211 | int get_wiphy_idx(struct wiphy *wiphy); |
212 | ||
806a9e39 LR |
213 | struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx); |
214 | ||
463d0183 JB |
215 | int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, |
216 | struct net *net); | |
55682965 | 217 | |
9bdaf3b9 JB |
218 | void cfg80211_init_wdev(struct wireless_dev *wdev); |
219 | void cfg80211_register_wdev(struct cfg80211_registered_device *rdev, | |
220 | struct wireless_dev *wdev); | |
e4d4216e | 221 | |
667503dd JB |
222 | static inline void wdev_lock(struct wireless_dev *wdev) |
223 | __acquires(wdev) | |
224 | { | |
225 | mutex_lock(&wdev->mtx); | |
226 | __acquire(wdev->mtx); | |
227 | } | |
228 | ||
229 | static inline void wdev_unlock(struct wireless_dev *wdev) | |
230 | __releases(wdev) | |
231 | { | |
232 | __release(wdev->mtx); | |
233 | mutex_unlock(&wdev->mtx); | |
234 | } | |
235 | ||
46a5ebaf | 236 | #define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx) |
667503dd | 237 | |
dbbae26a MK |
238 | static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev) |
239 | { | |
a05829a7 | 240 | lockdep_assert_held(&rdev->wiphy.mtx); |
dbbae26a MK |
241 | |
242 | return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces && | |
243 | rdev->num_running_ifaces > 0; | |
244 | } | |
245 | ||
667503dd JB |
246 | enum cfg80211_event_type { |
247 | EVENT_CONNECT_RESULT, | |
248 | EVENT_ROAMED, | |
249 | EVENT_DISCONNECTED, | |
250 | EVENT_IBSS_JOINED, | |
f04c2203 | 251 | EVENT_STOPPED, |
503c1fb9 | 252 | EVENT_PORT_AUTHORIZED, |
667503dd JB |
253 | }; |
254 | ||
255 | struct cfg80211_event { | |
256 | struct list_head list; | |
257 | enum cfg80211_event_type type; | |
258 | ||
259 | union { | |
5349a0f7 | 260 | struct cfg80211_connect_resp_params cr; |
29ce6ecb | 261 | struct cfg80211_roam_info rm; |
667503dd JB |
262 | struct { |
263 | const u8 *ie; | |
264 | size_t ie_len; | |
265 | u16 reason; | |
80279fb7 | 266 | bool locally_generated; |
667503dd JB |
267 | } dc; |
268 | struct { | |
269 | u8 bssid[ETH_ALEN]; | |
fe94f3a4 | 270 | struct ieee80211_channel *channel; |
667503dd | 271 | } ij; |
503c1fb9 AS |
272 | struct { |
273 | u8 bssid[ETH_ALEN]; | |
0ff57171 VY |
274 | const u8 *td_bitmap; |
275 | u8 td_bitmap_len; | |
503c1fb9 | 276 | } pa; |
667503dd JB |
277 | }; |
278 | }; | |
279 | ||
fffd0934 | 280 | struct cfg80211_cached_keys { |
585b6e13 JB |
281 | struct key_params params[4]; |
282 | u8 data[4][WLAN_KEY_LEN_WEP104]; | |
89b706fb | 283 | int def; |
fffd0934 JB |
284 | }; |
285 | ||
37c73b5f BG |
286 | struct cfg80211_beacon_registration { |
287 | struct list_head list; | |
288 | u32 nlportid; | |
289 | }; | |
667503dd | 290 | |
4a4b8169 AZ |
291 | struct cfg80211_cqm_config { |
292 | u32 rssi_hyst; | |
293 | s32 last_rssi_event_value; | |
294 | int n_rssi_thresholds; | |
396fba0a | 295 | s32 rssi_thresholds[]; |
4a4b8169 AZ |
296 | }; |
297 | ||
78f22b6a JB |
298 | void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev); |
299 | ||
704232c2 | 300 | /* free object */ |
c1b1203d | 301 | void cfg80211_dev_free(struct cfg80211_registered_device *rdev); |
704232c2 | 302 | |
c1b1203d JP |
303 | int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, |
304 | char *newname); | |
55682965 | 305 | |
8318d78a | 306 | void ieee80211_set_bitrate_flags(struct wiphy *wiphy); |
8318d78a | 307 | |
1b8ec87a ZG |
308 | void cfg80211_bss_expire(struct cfg80211_registered_device *rdev); |
309 | void cfg80211_bss_age(struct cfg80211_registered_device *rdev, | |
cb3a8eec | 310 | unsigned long age_secs); |
0afd425b | 311 | void cfg80211_update_assoc_bss_entry(struct wireless_dev *wdev, |
7b0a0e3c | 312 | unsigned int link, |
0afd425b | 313 | struct ieee80211_channel *channel); |
2a519311 | 314 | |
04a773ad | 315 | /* IBSS */ |
f8d16d3e DK |
316 | int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, |
317 | struct net_device *dev, | |
318 | struct cfg80211_ibss_params *params, | |
319 | struct cfg80211_cached_keys *connkeys); | |
9d308429 | 320 | void cfg80211_clear_ibss(struct net_device *dev, bool nowext); |
98d3a7ca JB |
321 | int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
322 | struct net_device *dev, bool nowext); | |
04a773ad | 323 | int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
9d308429 | 324 | struct net_device *dev, bool nowext); |
fe94f3a4 AQ |
325 | void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, |
326 | struct ieee80211_channel *channel); | |
fffd0934 JB |
327 | int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, |
328 | struct wireless_dev *wdev); | |
04a773ad | 329 | |
29cbe68c JB |
330 | /* mesh */ |
331 | extern const struct mesh_config default_mesh_config; | |
c80d545d | 332 | extern const struct mesh_setup default_mesh_setup; |
29cbe68c JB |
333 | int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, |
334 | struct net_device *dev, | |
cc1d2806 | 335 | struct mesh_setup *setup, |
29cbe68c | 336 | const struct mesh_config *conf); |
f04c2203 MK |
337 | int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, |
338 | struct net_device *dev); | |
29cbe68c JB |
339 | int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, |
340 | struct net_device *dev); | |
683b6d3b JB |
341 | int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev, |
342 | struct wireless_dev *wdev, | |
343 | struct cfg80211_chan_def *chandef); | |
29cbe68c | 344 | |
6e0bd6c3 RL |
345 | /* OCB */ |
346 | int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev, | |
347 | struct net_device *dev, | |
348 | struct ocb_setup *setup); | |
349 | int cfg80211_join_ocb(struct cfg80211_registered_device *rdev, | |
350 | struct net_device *dev, | |
351 | struct ocb_setup *setup); | |
352 | int __cfg80211_leave_ocb(struct cfg80211_registered_device *rdev, | |
353 | struct net_device *dev); | |
354 | int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev, | |
355 | struct net_device *dev); | |
356 | ||
60771780 | 357 | /* AP */ |
f04c2203 | 358 | int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev, |
7b0a0e3c JB |
359 | struct net_device *dev, int link, |
360 | bool notify); | |
60771780 | 361 | int cfg80211_stop_ap(struct cfg80211_registered_device *rdev, |
7b0a0e3c JB |
362 | struct net_device *dev, int link, |
363 | bool notify); | |
60771780 | 364 | |
19957bb3 JB |
365 | /* MLME */ |
366 | int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, | |
91bf9b26 | 367 | struct net_device *dev, |
325839da | 368 | struct cfg80211_auth_request *req); |
19957bb3 | 369 | int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
f62fab73 | 370 | struct net_device *dev, |
f62fab73 | 371 | struct cfg80211_assoc_request *req); |
19957bb3 JB |
372 | int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, |
373 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
374 | const u8 *ie, int ie_len, u16 reason, |
375 | bool local_state_change); | |
19957bb3 | 376 | int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, |
8f6e0dfc | 377 | struct net_device *dev, const u8 *ap_addr, |
d5cdfacb JM |
378 | const u8 *ie, int ie_len, u16 reason, |
379 | bool local_state_change); | |
19957bb3 JB |
380 | void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, |
381 | struct net_device *dev); | |
2e161f78 JB |
382 | int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, |
383 | u16 frame_type, const u8 *match_data, | |
9dba48a6 JB |
384 | int match_len, bool multicast_rx, |
385 | struct netlink_ext_ack *extack); | |
6cd536fe | 386 | void cfg80211_mgmt_registrations_update_wk(struct work_struct *wk); |
2e161f78 JB |
387 | void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid); |
388 | void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev); | |
389 | int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, | |
71bbc994 | 390 | struct wireless_dev *wdev, |
b176e629 AO |
391 | struct cfg80211_mgmt_tx_params *params, |
392 | u64 *cookie); | |
7e7c8926 BG |
393 | void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa, |
394 | const struct ieee80211_ht_cap *ht_capa_mask); | |
ee2aca34 JB |
395 | void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa, |
396 | const struct ieee80211_vht_cap *vht_capa_mask); | |
19957bb3 | 397 | |
ceca7b71 | 398 | /* SME events */ |
b23aa676 SO |
399 | int cfg80211_connect(struct cfg80211_registered_device *rdev, |
400 | struct net_device *dev, | |
fffd0934 | 401 | struct cfg80211_connect_params *connect, |
83739b03 JB |
402 | struct cfg80211_cached_keys *connkeys, |
403 | const u8 *prev_bssid); | |
5349a0f7 VK |
404 | void __cfg80211_connect_result(struct net_device *dev, |
405 | struct cfg80211_connect_resp_params *params, | |
406 | bool wextev); | |
ceca7b71 JB |
407 | void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, |
408 | size_t ie_len, u16 reason, bool from_ap); | |
b23aa676 | 409 | int cfg80211_disconnect(struct cfg80211_registered_device *rdev, |
f2129354 JB |
410 | struct net_device *dev, u16 reason, |
411 | bool wextev); | |
ed9d0102 | 412 | void __cfg80211_roamed(struct wireless_dev *wdev, |
29ce6ecb | 413 | struct cfg80211_roam_info *info); |
0ff57171 VY |
414 | void __cfg80211_port_authorized(struct wireless_dev *wdev, const u8 *bssid, |
415 | const u8 *td_bitmap, u8 td_bitmap_len); | |
fffd0934 JB |
416 | int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev, |
417 | struct wireless_dev *wdev); | |
bd2522b1 | 418 | void cfg80211_autodisconnect_wk(struct work_struct *work); |
b23aa676 | 419 | |
ceca7b71 | 420 | /* SME implementation */ |
6829c878 | 421 | void cfg80211_conn_work(struct work_struct *work); |
ceca7b71 JB |
422 | void cfg80211_sme_scan_done(struct net_device *dev); |
423 | bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status); | |
424 | void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len); | |
425 | void cfg80211_sme_disassoc(struct wireless_dev *wdev); | |
426 | void cfg80211_sme_deauth(struct wireless_dev *wdev); | |
427 | void cfg80211_sme_auth_timeout(struct wireless_dev *wdev); | |
428 | void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev); | |
e6f462df | 429 | void cfg80211_sme_abandon_assoc(struct wireless_dev *wdev); |
6829c878 | 430 | |
08645126 | 431 | /* internal helpers */ |
38ba3c57 | 432 | bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher); |
2d946308 AT |
433 | bool cfg80211_valid_key_idx(struct cfg80211_registered_device *rdev, |
434 | int key_idx, bool pairwise); | |
fffd0934 JB |
435 | int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, |
436 | struct key_params *params, int key_idx, | |
e31b8213 | 437 | bool pairwise, const u8 *mac_addr); |
667503dd | 438 | void __cfg80211_scan_done(struct work_struct *wk); |
f9d15d16 JB |
439 | void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, |
440 | bool send_message); | |
ca986ad9 AVS |
441 | void cfg80211_add_sched_scan_req(struct cfg80211_registered_device *rdev, |
442 | struct cfg80211_sched_scan_request *req); | |
443 | int cfg80211_sched_scan_req_possible(struct cfg80211_registered_device *rdev, | |
444 | bool want_multi); | |
b34939b9 | 445 | void cfg80211_sched_scan_results_wk(struct work_struct *work); |
ca986ad9 AVS |
446 | int cfg80211_stop_sched_scan_req(struct cfg80211_registered_device *rdev, |
447 | struct cfg80211_sched_scan_request *req, | |
448 | bool driver_initiated); | |
807f8a8c | 449 | int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev, |
ca986ad9 | 450 | u64 reqid, bool driver_initiated); |
fffd0934 | 451 | void cfg80211_upload_connect_keys(struct wireless_dev *wdev); |
3d54d255 JB |
452 | int cfg80211_change_iface(struct cfg80211_registered_device *rdev, |
453 | struct net_device *dev, enum nl80211_iftype ntype, | |
818a986e | 454 | struct vif_params *params); |
3d54d255 | 455 | void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev); |
1f6fc43e | 456 | void cfg80211_process_wdev_events(struct wireless_dev *wdev); |
08645126 | 457 | |
4787cfa0 RM |
458 | bool cfg80211_does_bw_fit_range(const struct ieee80211_freq_range *freq_range, |
459 | u32 center_freq_khz, u32 bw_khz); | |
460 | ||
c8cb5b85 TM |
461 | int cfg80211_scan(struct cfg80211_registered_device *rdev); |
462 | ||
e005bd7d JB |
463 | extern struct work_struct cfg80211_disconnect_work; |
464 | ||
fe7c3a1f JD |
465 | /** |
466 | * cfg80211_chandef_dfs_usable - checks if chandef is DFS usable | |
467 | * @wiphy: the wiphy to validate against | |
468 | * @chandef: the channel definition to check | |
469 | * | |
470 | * Checks if chandef is usable and we can/need start CAC on such channel. | |
471 | * | |
b42c8edf RD |
472 | * Return: true if all channels available and at least |
473 | * one channel requires CAC (NL80211_DFS_USABLE) | |
fe7c3a1f JD |
474 | */ |
475 | bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy, | |
476 | const struct cfg80211_chan_def *chandef); | |
477 | ||
04f39047 SW |
478 | void cfg80211_set_dfs_state(struct wiphy *wiphy, |
479 | const struct cfg80211_chan_def *chandef, | |
480 | enum nl80211_dfs_state dfs_state); | |
481 | ||
482 | void cfg80211_dfs_channels_update_work(struct work_struct *work); | |
483 | ||
31559f35 JD |
484 | unsigned int |
485 | cfg80211_chandef_dfs_cac_time(struct wiphy *wiphy, | |
486 | const struct cfg80211_chan_def *chandef); | |
04f39047 | 487 | |
b35a51c7 VT |
488 | void cfg80211_sched_dfs_chan_update(struct cfg80211_registered_device *rdev); |
489 | ||
bc2dfc02 | 490 | int |
a95bfb87 LB |
491 | cfg80211_start_background_radar_detection(struct cfg80211_registered_device *rdev, |
492 | struct wireless_dev *wdev, | |
493 | struct cfg80211_chan_def *chandef); | |
bc2dfc02 | 494 | |
a95bfb87 | 495 | void cfg80211_stop_background_radar_detection(struct wireless_dev *wdev); |
bc2dfc02 | 496 | |
a95bfb87 | 497 | void cfg80211_background_cac_done_wk(struct work_struct *work); |
1507b153 | 498 | |
a95bfb87 | 499 | void cfg80211_background_cac_abort_wk(struct work_struct *work); |
bc2dfc02 | 500 | |
b35a51c7 VT |
501 | bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy, |
502 | struct ieee80211_channel *chan); | |
503 | ||
504 | bool cfg80211_beaconing_iface_active(struct wireless_dev *wdev); | |
505 | ||
506 | bool cfg80211_is_sub_chan(struct cfg80211_chan_def *chandef, | |
7b0a0e3c JB |
507 | struct ieee80211_channel *chan, |
508 | bool primary_only); | |
509 | bool cfg80211_wdev_on_sub_chan(struct wireless_dev *wdev, | |
510 | struct ieee80211_channel *chan, | |
511 | bool primary_only); | |
b35a51c7 | 512 | |
04f39047 SW |
513 | static inline unsigned int elapsed_jiffies_msecs(unsigned long start) |
514 | { | |
515 | unsigned long end = jiffies; | |
516 | ||
517 | if (end >= start) | |
518 | return jiffies_to_msecs(end - start); | |
519 | ||
0ce12026 | 520 | return jiffies_to_msecs(end + (ULONG_MAX - start) + 1); |
04f39047 SW |
521 | } |
522 | ||
e8c9bd5b | 523 | int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, |
683b6d3b | 524 | struct cfg80211_chan_def *chandef); |
59bbb6f7 | 525 | |
34850ab2 JB |
526 | int ieee80211_get_ratemask(struct ieee80211_supported_band *sband, |
527 | const u8 *rates, unsigned int n_rates, | |
528 | u32 *mask); | |
529 | ||
56d1893d | 530 | int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev, |
0c317a02 | 531 | enum nl80211_iftype iftype, u32 beacon_int); |
56d1893d | 532 | |
dbbae26a MK |
533 | void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev, |
534 | enum nl80211_iftype iftype, int num); | |
535 | ||
f04c2203 MK |
536 | void __cfg80211_leave(struct cfg80211_registered_device *rdev, |
537 | struct wireless_dev *wdev); | |
81256969 SG |
538 | void cfg80211_leave(struct cfg80211_registered_device *rdev, |
539 | struct wireless_dev *wdev); | |
540 | ||
f9f47529 JB |
541 | void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev, |
542 | struct wireless_dev *wdev); | |
543 | ||
cb3b7d87 AB |
544 | void cfg80211_stop_nan(struct cfg80211_registered_device *rdev, |
545 | struct wireless_dev *wdev); | |
546 | ||
a3ce17d1 CT |
547 | struct cfg80211_internal_bss * |
548 | cfg80211_bss_update(struct cfg80211_registered_device *rdev, | |
549 | struct cfg80211_internal_bss *tmp, | |
550 | bool signal_valid, unsigned long ts); | |
f7969969 JB |
551 | #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS |
552 | #define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond) | |
553 | #else | |
554 | /* | |
555 | * Trick to enable using it as a condition, | |
556 | * and also not give a warning when it's | |
557 | * not used that way. | |
558 | */ | |
559 | #define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; }) | |
560 | #endif | |
561 | ||
4a4b8169 AZ |
562 | void cfg80211_cqm_config_free(struct wireless_dev *wdev); |
563 | ||
9bb7e0f2 JB |
564 | void cfg80211_release_pmsr(struct wireless_dev *wdev, u32 portid); |
565 | void cfg80211_pmsr_wdev_down(struct wireless_dev *wdev); | |
566 | void cfg80211_pmsr_free_wk(struct work_struct *work); | |
567 | ||
cdf0a0a8 JB |
568 | void cfg80211_remove_link(struct wireless_dev *wdev, unsigned int link_id); |
569 | void cfg80211_remove_links(struct wireless_dev *wdev); | |
570 | int cfg80211_remove_virtual_intf(struct cfg80211_registered_device *rdev, | |
571 | struct wireless_dev *wdev); | |
572 | ||
704232c2 | 573 | #endif /* __NET_WIRELESS_CORE_H */ |