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Commit | Line | Data |
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704232c2 JB |
1 | /* |
2 | * Wireless configuration interface internals. | |
3 | * | |
5f2aa25e | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
704232c2 JB |
5 | */ |
6 | #ifndef __NET_WIRELESS_CORE_H | |
7 | #define __NET_WIRELESS_CORE_H | |
704232c2 JB |
8 | #include <linux/list.h> |
9 | #include <linux/netdevice.h> | |
2a519311 | 10 | #include <linux/rbtree.h> |
1ac61302 | 11 | #include <linux/debugfs.h> |
1f87f7d3 JB |
12 | #include <linux/rfkill.h> |
13 | #include <linux/workqueue.h> | |
c5a7e582 | 14 | #include <linux/rtnetlink.h> |
704232c2 | 15 | #include <net/genetlink.h> |
704232c2 | 16 | #include <net/cfg80211.h> |
3f2355cb | 17 | #include "reg.h" |
704232c2 | 18 | |
f4173766 JB |
19 | |
20 | #define WIPHY_IDX_INVALID -1 | |
21 | ||
704232c2 | 22 | struct cfg80211_registered_device { |
3dcf670b | 23 | const struct cfg80211_ops *ops; |
704232c2 | 24 | struct list_head list; |
704232c2 | 25 | |
1f87f7d3 JB |
26 | /* rfkill support */ |
27 | struct rfkill_ops rfkill_ops; | |
28 | struct rfkill *rfkill; | |
29 | struct work_struct rfkill_sync; | |
30 | ||
3f2355cb LR |
31 | /* ISO / IEC 3166 alpha2 for which this device is receiving |
32 | * country IEs on, this can help disregard country IEs from APs | |
33 | * on the same alpha2 quickly. The alpha2 may differ from | |
34 | * cfg80211_regdomain's alpha2 when an intersection has occurred. | |
35 | * If the AP is reconfigured this can also be used to tell us if | |
36 | * the country on the country IE changed. */ | |
37 | char country_ie_alpha2[2]; | |
38 | ||
b0d7aa59 JD |
39 | /* |
40 | * the driver requests the regulatory core to set this regulatory | |
41 | * domain as the wiphy's. Only used for %REGULATORY_WIPHY_SELF_MANAGED | |
42 | * devices using the regulatory_set_wiphy_regd() API | |
43 | */ | |
44 | const struct ieee80211_regdomain *requested_regd; | |
45 | ||
3f2355cb LR |
46 | /* If a Country IE has been received this tells us the environment |
47 | * which its telling us its in. This defaults to ENVIRON_ANY */ | |
48 | enum environment_cap env; | |
49 | ||
704232c2 | 50 | /* wiphy index, internal only */ |
b5850a7a | 51 | int wiphy_idx; |
704232c2 | 52 | |
53873f13 | 53 | /* protected by RTNL */ |
89a54e48 | 54 | int devlist_generation, wdev_id; |
8b9b2f06 | 55 | int opencount; |
ad002395 | 56 | wait_queue_head_t dev_wait; |
704232c2 | 57 | |
37c73b5f BG |
58 | struct list_head beacon_registrations; |
59 | spinlock_t beacon_registrations_lock; | |
5e760230 | 60 | |
33d8783c JB |
61 | struct list_head mlme_unreg; |
62 | spinlock_t mlme_unreg_lock; | |
63 | struct work_struct mlme_unreg_wk; | |
64 | ||
c5a7e582 | 65 | /* protected by RTNL only */ |
dbbae26a MK |
66 | int num_running_ifaces; |
67 | int num_running_monitor_ifaces; | |
68 | ||
2a519311 JB |
69 | /* BSSes/scanning */ |
70 | spinlock_t bss_lock; | |
71 | struct list_head bss_list; | |
72 | struct rb_root bss_tree; | |
73 | u32 bss_generation; | |
9853a55e | 74 | u32 bss_entries; |
2a519311 | 75 | struct cfg80211_scan_request *scan_req; /* protected by RTNL */ |
f9d15d16 | 76 | struct sk_buff *scan_msg; |
ca986ad9 | 77 | struct list_head sched_scan_req_list; |
cb3a8eec | 78 | unsigned long suspend_at; |
667503dd | 79 | struct work_struct scan_done_wk; |
2a519311 | 80 | |
ad7e718c | 81 | struct genl_info *cur_cmd_info; |
aff89a9b | 82 | |
6829c878 | 83 | struct work_struct conn_work; |
667503dd | 84 | struct work_struct event_work; |
6829c878 | 85 | |
04f39047 SW |
86 | struct delayed_work dfs_update_channels_wk; |
87 | ||
5de17984 AS |
88 | /* netlink port which started critical protocol (0 means not started) */ |
89 | u32 crit_proto_nlportid; | |
90 | ||
be29b99a AK |
91 | struct cfg80211_coalesce *coalesce; |
92 | ||
78f22b6a | 93 | struct work_struct destroy_work; |
93a1e86c | 94 | struct work_struct sched_scan_stop_wk; |
b34939b9 | 95 | struct work_struct sched_scan_res_wk; |
93a1e86c | 96 | |
89766727 VT |
97 | struct cfg80211_chan_def radar_chandef; |
98 | struct work_struct propagate_radar_detect_wk; | |
99 | ||
100 | struct cfg80211_chan_def cac_done_chandef; | |
101 | struct work_struct propagate_cac_done_wk; | |
102 | ||
704232c2 JB |
103 | /* must be last because of the way we do wiphy_priv(), |
104 | * and it should at least be aligned to NETDEV_ALIGN */ | |
1c06ef98 | 105 | struct wiphy wiphy __aligned(NETDEV_ALIGN); |
704232c2 JB |
106 | }; |
107 | ||
108 | static inline | |
f26cbf40 | 109 | struct cfg80211_registered_device *wiphy_to_rdev(struct wiphy *wiphy) |
704232c2 JB |
110 | { |
111 | BUG_ON(!wiphy); | |
112 | return container_of(wiphy, struct cfg80211_registered_device, wiphy); | |
113 | } | |
114 | ||
ff1b6e69 JB |
115 | static inline void |
116 | cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev) | |
117 | { | |
6abb9cb9 | 118 | #ifdef CONFIG_PM |
ff1b6e69 JB |
119 | int i; |
120 | ||
6abb9cb9 | 121 | if (!rdev->wiphy.wowlan_config) |
ff1b6e69 | 122 | return; |
6abb9cb9 JB |
123 | for (i = 0; i < rdev->wiphy.wowlan_config->n_patterns; i++) |
124 | kfree(rdev->wiphy.wowlan_config->patterns[i].mask); | |
125 | kfree(rdev->wiphy.wowlan_config->patterns); | |
126 | if (rdev->wiphy.wowlan_config->tcp && | |
127 | rdev->wiphy.wowlan_config->tcp->sock) | |
128 | sock_release(rdev->wiphy.wowlan_config->tcp->sock); | |
129 | kfree(rdev->wiphy.wowlan_config->tcp); | |
8cd4d456 | 130 | kfree(rdev->wiphy.wowlan_config->nd_config); |
6abb9cb9 JB |
131 | kfree(rdev->wiphy.wowlan_config); |
132 | #endif | |
ff1b6e69 | 133 | } |
e60d7443 AB |
134 | |
135 | extern struct workqueue_struct *cfg80211_wq; | |
79c97e97 | 136 | extern struct list_head cfg80211_rdev_list; |
f5ea9120 | 137 | extern int cfg80211_rdev_list_generation; |
704232c2 | 138 | |
2a519311 JB |
139 | struct cfg80211_internal_bss { |
140 | struct list_head list; | |
776b3580 | 141 | struct list_head hidden_list; |
2a519311 | 142 | struct rb_node rbn; |
6e19bc4b | 143 | u64 ts_boottime; |
2a519311 | 144 | unsigned long ts; |
776b3580 | 145 | unsigned long refcount; |
19957bb3 | 146 | atomic_t hold; |
a08c1c1a | 147 | |
1d76250b AS |
148 | /* time at the start of the reception of the first octet of the |
149 | * timestamp field of the last beacon/probe received for this BSS. | |
150 | * The time is the TSF of the BSS specified by %parent_bssid. | |
151 | */ | |
152 | u64 parent_tsf; | |
153 | ||
154 | /* the BSS according to which %parent_tsf is set. This is set to | |
155 | * the BSS that the interface that requested the scan was connected to | |
156 | * when the beacon/probe was received. | |
157 | */ | |
158 | u8 parent_bssid[ETH_ALEN] __aligned(2); | |
159 | ||
2a519311 JB |
160 | /* must be last because of priv member */ |
161 | struct cfg80211_bss pub; | |
162 | }; | |
163 | ||
19957bb3 JB |
164 | static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub) |
165 | { | |
166 | return container_of(pub, struct cfg80211_internal_bss, pub); | |
167 | } | |
168 | ||
169 | static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss) | |
170 | { | |
171 | atomic_inc(&bss->hold); | |
172 | } | |
173 | ||
174 | static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss) | |
175 | { | |
176 | int r = atomic_dec_return(&bss->hold); | |
177 | WARN_ON(r < 0); | |
178 | } | |
179 | ||
180 | ||
79c97e97 | 181 | struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx); |
806a9e39 LR |
182 | int get_wiphy_idx(struct wiphy *wiphy); |
183 | ||
806a9e39 LR |
184 | struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx); |
185 | ||
463d0183 JB |
186 | int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, |
187 | struct net *net); | |
55682965 | 188 | |
667503dd JB |
189 | static inline void wdev_lock(struct wireless_dev *wdev) |
190 | __acquires(wdev) | |
191 | { | |
192 | mutex_lock(&wdev->mtx); | |
193 | __acquire(wdev->mtx); | |
194 | } | |
195 | ||
196 | static inline void wdev_unlock(struct wireless_dev *wdev) | |
197 | __releases(wdev) | |
198 | { | |
199 | __release(wdev->mtx); | |
200 | mutex_unlock(&wdev->mtx); | |
201 | } | |
202 | ||
46a5ebaf | 203 | #define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx) |
667503dd | 204 | |
dbbae26a MK |
205 | static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev) |
206 | { | |
c5a7e582 | 207 | ASSERT_RTNL(); |
dbbae26a MK |
208 | |
209 | return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces && | |
210 | rdev->num_running_ifaces > 0; | |
211 | } | |
212 | ||
667503dd JB |
213 | enum cfg80211_event_type { |
214 | EVENT_CONNECT_RESULT, | |
215 | EVENT_ROAMED, | |
216 | EVENT_DISCONNECTED, | |
217 | EVENT_IBSS_JOINED, | |
f04c2203 | 218 | EVENT_STOPPED, |
667503dd JB |
219 | }; |
220 | ||
221 | struct cfg80211_event { | |
222 | struct list_head list; | |
223 | enum cfg80211_event_type type; | |
224 | ||
225 | union { | |
5349a0f7 | 226 | struct cfg80211_connect_resp_params cr; |
29ce6ecb | 227 | struct cfg80211_roam_info rm; |
667503dd JB |
228 | struct { |
229 | const u8 *ie; | |
230 | size_t ie_len; | |
231 | u16 reason; | |
80279fb7 | 232 | bool locally_generated; |
667503dd JB |
233 | } dc; |
234 | struct { | |
235 | u8 bssid[ETH_ALEN]; | |
fe94f3a4 | 236 | struct ieee80211_channel *channel; |
667503dd JB |
237 | } ij; |
238 | }; | |
239 | }; | |
240 | ||
fffd0934 | 241 | struct cfg80211_cached_keys { |
b8676221 DS |
242 | struct key_params params[CFG80211_MAX_WEP_KEYS]; |
243 | u8 data[CFG80211_MAX_WEP_KEYS][WLAN_KEY_LEN_WEP104]; | |
89b706fb | 244 | int def; |
fffd0934 JB |
245 | }; |
246 | ||
26ab9a0c MK |
247 | enum cfg80211_chan_mode { |
248 | CHAN_MODE_UNDEFINED, | |
249 | CHAN_MODE_SHARED, | |
250 | CHAN_MODE_EXCLUSIVE, | |
251 | }; | |
252 | ||
37c73b5f BG |
253 | struct cfg80211_beacon_registration { |
254 | struct list_head list; | |
255 | u32 nlportid; | |
256 | }; | |
667503dd | 257 | |
4a4b8169 AZ |
258 | struct cfg80211_cqm_config { |
259 | u32 rssi_hyst; | |
260 | s32 last_rssi_event_value; | |
261 | int n_rssi_thresholds; | |
262 | s32 rssi_thresholds[0]; | |
263 | }; | |
264 | ||
78f22b6a JB |
265 | void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev); |
266 | ||
704232c2 | 267 | /* free object */ |
c1b1203d | 268 | void cfg80211_dev_free(struct cfg80211_registered_device *rdev); |
704232c2 | 269 | |
c1b1203d JP |
270 | int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, |
271 | char *newname); | |
55682965 | 272 | |
8318d78a | 273 | void ieee80211_set_bitrate_flags(struct wiphy *wiphy); |
8318d78a | 274 | |
1b8ec87a ZG |
275 | void cfg80211_bss_expire(struct cfg80211_registered_device *rdev); |
276 | void cfg80211_bss_age(struct cfg80211_registered_device *rdev, | |
cb3a8eec | 277 | unsigned long age_secs); |
2a519311 | 278 | |
04a773ad JB |
279 | /* IBSS */ |
280 | int cfg80211_join_ibss(struct cfg80211_registered_device *rdev, | |
281 | struct net_device *dev, | |
fffd0934 JB |
282 | struct cfg80211_ibss_params *params, |
283 | struct cfg80211_cached_keys *connkeys); | |
9d308429 | 284 | void cfg80211_clear_ibss(struct net_device *dev, bool nowext); |
98d3a7ca JB |
285 | int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
286 | struct net_device *dev, bool nowext); | |
04a773ad | 287 | int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
9d308429 | 288 | struct net_device *dev, bool nowext); |
fe94f3a4 AQ |
289 | void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, |
290 | struct ieee80211_channel *channel); | |
fffd0934 JB |
291 | int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, |
292 | struct wireless_dev *wdev); | |
04a773ad | 293 | |
29cbe68c JB |
294 | /* mesh */ |
295 | extern const struct mesh_config default_mesh_config; | |
c80d545d | 296 | extern const struct mesh_setup default_mesh_setup; |
29cbe68c JB |
297 | int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, |
298 | struct net_device *dev, | |
cc1d2806 | 299 | struct mesh_setup *setup, |
29cbe68c JB |
300 | const struct mesh_config *conf); |
301 | int cfg80211_join_mesh(struct cfg80211_registered_device *rdev, | |
302 | struct net_device *dev, | |
cc1d2806 | 303 | struct mesh_setup *setup, |
29cbe68c | 304 | const struct mesh_config *conf); |
f04c2203 MK |
305 | int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, |
306 | struct net_device *dev); | |
29cbe68c JB |
307 | int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, |
308 | struct net_device *dev); | |
683b6d3b JB |
309 | int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev, |
310 | struct wireless_dev *wdev, | |
311 | struct cfg80211_chan_def *chandef); | |
29cbe68c | 312 | |
6e0bd6c3 RL |
313 | /* OCB */ |
314 | int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev, | |
315 | struct net_device *dev, | |
316 | struct ocb_setup *setup); | |
317 | int cfg80211_join_ocb(struct cfg80211_registered_device *rdev, | |
318 | struct net_device *dev, | |
319 | struct ocb_setup *setup); | |
320 | int __cfg80211_leave_ocb(struct cfg80211_registered_device *rdev, | |
321 | struct net_device *dev); | |
322 | int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev, | |
323 | struct net_device *dev); | |
324 | ||
60771780 | 325 | /* AP */ |
f04c2203 MK |
326 | int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev, |
327 | struct net_device *dev, bool notify); | |
60771780 | 328 | int cfg80211_stop_ap(struct cfg80211_registered_device *rdev, |
7c8d5e03 | 329 | struct net_device *dev, bool notify); |
60771780 | 330 | |
19957bb3 JB |
331 | /* MLME */ |
332 | int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, | |
91bf9b26 JB |
333 | struct net_device *dev, |
334 | struct ieee80211_channel *chan, | |
335 | enum nl80211_auth_type auth_type, | |
336 | const u8 *bssid, | |
19957bb3 | 337 | const u8 *ssid, int ssid_len, |
fffd0934 | 338 | const u8 *ie, int ie_len, |
e39e5b5e | 339 | const u8 *key, int key_len, int key_idx, |
11b6b5a4 | 340 | const u8 *auth_data, int auth_data_len); |
19957bb3 | 341 | int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
f62fab73 JB |
342 | struct net_device *dev, |
343 | struct ieee80211_channel *chan, | |
344 | const u8 *bssid, | |
3e5d7649 | 345 | const u8 *ssid, int ssid_len, |
f62fab73 | 346 | struct cfg80211_assoc_request *req); |
19957bb3 JB |
347 | int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, |
348 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
349 | const u8 *ie, int ie_len, u16 reason, |
350 | bool local_state_change); | |
19957bb3 JB |
351 | int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, |
352 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
353 | const u8 *ie, int ie_len, u16 reason, |
354 | bool local_state_change); | |
19957bb3 JB |
355 | void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, |
356 | struct net_device *dev); | |
2e161f78 JB |
357 | int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, |
358 | u16 frame_type, const u8 *match_data, | |
359 | int match_len); | |
33d8783c | 360 | void cfg80211_mlme_unreg_wk(struct work_struct *wk); |
2e161f78 JB |
361 | void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid); |
362 | void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev); | |
363 | int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, | |
71bbc994 | 364 | struct wireless_dev *wdev, |
b176e629 AO |
365 | struct cfg80211_mgmt_tx_params *params, |
366 | u64 *cookie); | |
7e7c8926 BG |
367 | void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa, |
368 | const struct ieee80211_ht_cap *ht_capa_mask); | |
ee2aca34 JB |
369 | void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa, |
370 | const struct ieee80211_vht_cap *vht_capa_mask); | |
19957bb3 | 371 | |
ceca7b71 | 372 | /* SME events */ |
b23aa676 SO |
373 | int cfg80211_connect(struct cfg80211_registered_device *rdev, |
374 | struct net_device *dev, | |
fffd0934 | 375 | struct cfg80211_connect_params *connect, |
83739b03 JB |
376 | struct cfg80211_cached_keys *connkeys, |
377 | const u8 *prev_bssid); | |
5349a0f7 VK |
378 | void __cfg80211_connect_result(struct net_device *dev, |
379 | struct cfg80211_connect_resp_params *params, | |
380 | bool wextev); | |
ceca7b71 JB |
381 | void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, |
382 | size_t ie_len, u16 reason, bool from_ap); | |
b23aa676 | 383 | int cfg80211_disconnect(struct cfg80211_registered_device *rdev, |
f2129354 JB |
384 | struct net_device *dev, u16 reason, |
385 | bool wextev); | |
ed9d0102 | 386 | void __cfg80211_roamed(struct wireless_dev *wdev, |
29ce6ecb | 387 | struct cfg80211_roam_info *info); |
fffd0934 JB |
388 | int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev, |
389 | struct wireless_dev *wdev); | |
bd2522b1 | 390 | void cfg80211_autodisconnect_wk(struct work_struct *work); |
b23aa676 | 391 | |
ceca7b71 | 392 | /* SME implementation */ |
6829c878 | 393 | void cfg80211_conn_work(struct work_struct *work); |
ceca7b71 JB |
394 | void cfg80211_sme_scan_done(struct net_device *dev); |
395 | bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status); | |
396 | void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len); | |
397 | void cfg80211_sme_disassoc(struct wireless_dev *wdev); | |
398 | void cfg80211_sme_deauth(struct wireless_dev *wdev); | |
399 | void cfg80211_sme_auth_timeout(struct wireless_dev *wdev); | |
400 | void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev); | |
e6f462df | 401 | void cfg80211_sme_abandon_assoc(struct wireless_dev *wdev); |
6829c878 | 402 | |
08645126 | 403 | /* internal helpers */ |
38ba3c57 | 404 | bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher); |
fffd0934 JB |
405 | int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, |
406 | struct key_params *params, int key_idx, | |
e31b8213 | 407 | bool pairwise, const u8 *mac_addr); |
667503dd | 408 | void __cfg80211_scan_done(struct work_struct *wk); |
f9d15d16 JB |
409 | void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, |
410 | bool send_message); | |
ca986ad9 AVS |
411 | void cfg80211_add_sched_scan_req(struct cfg80211_registered_device *rdev, |
412 | struct cfg80211_sched_scan_request *req); | |
413 | int cfg80211_sched_scan_req_possible(struct cfg80211_registered_device *rdev, | |
414 | bool want_multi); | |
b34939b9 | 415 | void cfg80211_sched_scan_results_wk(struct work_struct *work); |
ca986ad9 AVS |
416 | int cfg80211_stop_sched_scan_req(struct cfg80211_registered_device *rdev, |
417 | struct cfg80211_sched_scan_request *req, | |
418 | bool driver_initiated); | |
807f8a8c | 419 | int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev, |
ca986ad9 | 420 | u64 reqid, bool driver_initiated); |
fffd0934 | 421 | void cfg80211_upload_connect_keys(struct wireless_dev *wdev); |
3d54d255 JB |
422 | int cfg80211_change_iface(struct cfg80211_registered_device *rdev, |
423 | struct net_device *dev, enum nl80211_iftype ntype, | |
818a986e | 424 | struct vif_params *params); |
3d54d255 | 425 | void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev); |
1f6fc43e | 426 | void cfg80211_process_wdev_events(struct wireless_dev *wdev); |
08645126 | 427 | |
4787cfa0 RM |
428 | bool cfg80211_does_bw_fit_range(const struct ieee80211_freq_range *freq_range, |
429 | u32 center_freq_khz, u32 bw_khz); | |
430 | ||
fe7c3a1f JD |
431 | /** |
432 | * cfg80211_chandef_dfs_usable - checks if chandef is DFS usable | |
433 | * @wiphy: the wiphy to validate against | |
434 | * @chandef: the channel definition to check | |
435 | * | |
436 | * Checks if chandef is usable and we can/need start CAC on such channel. | |
437 | * | |
438 | * Return: Return true if all channels available and at least | |
439 | * one channel require CAC (NL80211_DFS_USABLE) | |
440 | */ | |
441 | bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy, | |
442 | const struct cfg80211_chan_def *chandef); | |
443 | ||
04f39047 SW |
444 | void cfg80211_set_dfs_state(struct wiphy *wiphy, |
445 | const struct cfg80211_chan_def *chandef, | |
446 | enum nl80211_dfs_state dfs_state); | |
447 | ||
448 | void cfg80211_dfs_channels_update_work(struct work_struct *work); | |
449 | ||
31559f35 JD |
450 | unsigned int |
451 | cfg80211_chandef_dfs_cac_time(struct wiphy *wiphy, | |
452 | const struct cfg80211_chan_def *chandef); | |
04f39047 | 453 | |
b35a51c7 VT |
454 | void cfg80211_sched_dfs_chan_update(struct cfg80211_registered_device *rdev); |
455 | ||
456 | bool cfg80211_any_wiphy_oper_chan(struct wiphy *wiphy, | |
457 | struct ieee80211_channel *chan); | |
458 | ||
459 | bool cfg80211_beaconing_iface_active(struct wireless_dev *wdev); | |
460 | ||
461 | bool cfg80211_is_sub_chan(struct cfg80211_chan_def *chandef, | |
462 | struct ieee80211_channel *chan); | |
463 | ||
04f39047 SW |
464 | static inline unsigned int elapsed_jiffies_msecs(unsigned long start) |
465 | { | |
466 | unsigned long end = jiffies; | |
467 | ||
468 | if (end >= start) | |
469 | return jiffies_to_msecs(end - start); | |
470 | ||
0ce12026 | 471 | return jiffies_to_msecs(end + (ULONG_MAX - start) + 1); |
04f39047 SW |
472 | } |
473 | ||
26ab9a0c | 474 | void |
8e95ea49 | 475 | cfg80211_get_chan_state(struct wireless_dev *wdev, |
26ab9a0c | 476 | struct ieee80211_channel **chan, |
9e0e2961 MK |
477 | enum cfg80211_chan_mode *chanmode, |
478 | u8 *radar_detect); | |
26ab9a0c | 479 | |
e8c9bd5b | 480 | int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, |
683b6d3b | 481 | struct cfg80211_chan_def *chandef); |
59bbb6f7 | 482 | |
34850ab2 JB |
483 | int ieee80211_get_ratemask(struct ieee80211_supported_band *sband, |
484 | const u8 *rates, unsigned int n_rates, | |
485 | u32 *mask); | |
486 | ||
56d1893d | 487 | int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev, |
0c317a02 | 488 | enum nl80211_iftype iftype, u32 beacon_int); |
56d1893d | 489 | |
dbbae26a MK |
490 | void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev, |
491 | enum nl80211_iftype iftype, int num); | |
492 | ||
f04c2203 MK |
493 | void __cfg80211_leave(struct cfg80211_registered_device *rdev, |
494 | struct wireless_dev *wdev); | |
81256969 SG |
495 | void cfg80211_leave(struct cfg80211_registered_device *rdev, |
496 | struct wireless_dev *wdev); | |
497 | ||
f9f47529 JB |
498 | void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev, |
499 | struct wireless_dev *wdev); | |
500 | ||
cb3b7d87 AB |
501 | void cfg80211_stop_nan(struct cfg80211_registered_device *rdev, |
502 | struct wireless_dev *wdev); | |
503 | ||
d4e50c59 MK |
504 | #define CFG80211_MAX_NUM_DIFFERENT_CHANNELS 10 |
505 | ||
f7969969 JB |
506 | #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS |
507 | #define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond) | |
508 | #else | |
509 | /* | |
510 | * Trick to enable using it as a condition, | |
511 | * and also not give a warning when it's | |
512 | * not used that way. | |
513 | */ | |
514 | #define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; }) | |
515 | #endif | |
516 | ||
4a4b8169 AZ |
517 | void cfg80211_cqm_config_free(struct wireless_dev *wdev); |
518 | ||
704232c2 | 519 | #endif /* __NET_WIRELESS_CORE_H */ |