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Commit | Line | Data |
---|---|---|
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; | |
74 | struct cfg80211_scan_request *scan_req; /* protected by RTNL */ | |
f9d15d16 | 75 | struct sk_buff *scan_msg; |
31a60ed1 | 76 | struct cfg80211_sched_scan_request __rcu *sched_scan_req; |
cb3a8eec | 77 | unsigned long suspend_at; |
667503dd | 78 | struct work_struct scan_done_wk; |
807f8a8c | 79 | struct work_struct sched_scan_results_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 JB |
93 | spinlock_t destroy_list_lock; |
94 | struct list_head destroy_list; | |
95 | struct work_struct destroy_work; | |
96 | ||
93a1e86c JR |
97 | struct work_struct sched_scan_stop_wk; |
98 | ||
704232c2 JB |
99 | /* must be last because of the way we do wiphy_priv(), |
100 | * and it should at least be aligned to NETDEV_ALIGN */ | |
1c06ef98 | 101 | struct wiphy wiphy __aligned(NETDEV_ALIGN); |
704232c2 JB |
102 | }; |
103 | ||
104 | static inline | |
f26cbf40 | 105 | struct cfg80211_registered_device *wiphy_to_rdev(struct wiphy *wiphy) |
704232c2 JB |
106 | { |
107 | BUG_ON(!wiphy); | |
108 | return container_of(wiphy, struct cfg80211_registered_device, wiphy); | |
109 | } | |
110 | ||
ff1b6e69 JB |
111 | static inline void |
112 | cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev) | |
113 | { | |
6abb9cb9 | 114 | #ifdef CONFIG_PM |
ff1b6e69 JB |
115 | int i; |
116 | ||
6abb9cb9 | 117 | if (!rdev->wiphy.wowlan_config) |
ff1b6e69 | 118 | return; |
6abb9cb9 JB |
119 | for (i = 0; i < rdev->wiphy.wowlan_config->n_patterns; i++) |
120 | kfree(rdev->wiphy.wowlan_config->patterns[i].mask); | |
121 | kfree(rdev->wiphy.wowlan_config->patterns); | |
122 | if (rdev->wiphy.wowlan_config->tcp && | |
123 | rdev->wiphy.wowlan_config->tcp->sock) | |
124 | sock_release(rdev->wiphy.wowlan_config->tcp->sock); | |
125 | kfree(rdev->wiphy.wowlan_config->tcp); | |
8cd4d456 | 126 | kfree(rdev->wiphy.wowlan_config->nd_config); |
6abb9cb9 JB |
127 | kfree(rdev->wiphy.wowlan_config); |
128 | #endif | |
ff1b6e69 | 129 | } |
e60d7443 AB |
130 | |
131 | extern struct workqueue_struct *cfg80211_wq; | |
79c97e97 | 132 | extern struct list_head cfg80211_rdev_list; |
f5ea9120 | 133 | extern int cfg80211_rdev_list_generation; |
704232c2 | 134 | |
2a519311 JB |
135 | struct cfg80211_internal_bss { |
136 | struct list_head list; | |
776b3580 | 137 | struct list_head hidden_list; |
2a519311 | 138 | struct rb_node rbn; |
6e19bc4b | 139 | u64 ts_boottime; |
2a519311 | 140 | unsigned long ts; |
776b3580 | 141 | unsigned long refcount; |
19957bb3 | 142 | atomic_t hold; |
a08c1c1a | 143 | |
1d76250b AS |
144 | /* time at the start of the reception of the first octet of the |
145 | * timestamp field of the last beacon/probe received for this BSS. | |
146 | * The time is the TSF of the BSS specified by %parent_bssid. | |
147 | */ | |
148 | u64 parent_tsf; | |
149 | ||
150 | /* the BSS according to which %parent_tsf is set. This is set to | |
151 | * the BSS that the interface that requested the scan was connected to | |
152 | * when the beacon/probe was received. | |
153 | */ | |
154 | u8 parent_bssid[ETH_ALEN] __aligned(2); | |
155 | ||
2a519311 JB |
156 | /* must be last because of priv member */ |
157 | struct cfg80211_bss pub; | |
158 | }; | |
159 | ||
19957bb3 JB |
160 | static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub) |
161 | { | |
162 | return container_of(pub, struct cfg80211_internal_bss, pub); | |
163 | } | |
164 | ||
165 | static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss) | |
166 | { | |
167 | atomic_inc(&bss->hold); | |
168 | } | |
169 | ||
170 | static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss) | |
171 | { | |
172 | int r = atomic_dec_return(&bss->hold); | |
173 | WARN_ON(r < 0); | |
174 | } | |
175 | ||
176 | ||
79c97e97 | 177 | struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx); |
806a9e39 LR |
178 | int get_wiphy_idx(struct wiphy *wiphy); |
179 | ||
806a9e39 LR |
180 | struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx); |
181 | ||
463d0183 JB |
182 | int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, |
183 | struct net *net); | |
55682965 | 184 | |
667503dd JB |
185 | static inline void wdev_lock(struct wireless_dev *wdev) |
186 | __acquires(wdev) | |
187 | { | |
188 | mutex_lock(&wdev->mtx); | |
189 | __acquire(wdev->mtx); | |
190 | } | |
191 | ||
192 | static inline void wdev_unlock(struct wireless_dev *wdev) | |
193 | __releases(wdev) | |
194 | { | |
195 | __release(wdev->mtx); | |
196 | mutex_unlock(&wdev->mtx); | |
197 | } | |
198 | ||
46a5ebaf | 199 | #define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx) |
667503dd | 200 | |
dbbae26a MK |
201 | static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev) |
202 | { | |
c5a7e582 | 203 | ASSERT_RTNL(); |
dbbae26a MK |
204 | |
205 | return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces && | |
206 | rdev->num_running_ifaces > 0; | |
207 | } | |
208 | ||
667503dd JB |
209 | enum cfg80211_event_type { |
210 | EVENT_CONNECT_RESULT, | |
211 | EVENT_ROAMED, | |
212 | EVENT_DISCONNECTED, | |
213 | EVENT_IBSS_JOINED, | |
f04c2203 | 214 | EVENT_STOPPED, |
667503dd JB |
215 | }; |
216 | ||
217 | struct cfg80211_event { | |
218 | struct list_head list; | |
219 | enum cfg80211_event_type type; | |
220 | ||
221 | union { | |
222 | struct { | |
223 | u8 bssid[ETH_ALEN]; | |
224 | const u8 *req_ie; | |
225 | const u8 *resp_ie; | |
226 | size_t req_ie_len; | |
227 | size_t resp_ie_len; | |
e7054989 | 228 | struct cfg80211_bss *bss; |
bf1ecd21 | 229 | int status; /* -1 = failed; 0..65535 = status code */ |
667503dd JB |
230 | } cr; |
231 | struct { | |
667503dd JB |
232 | const u8 *req_ie; |
233 | const u8 *resp_ie; | |
234 | size_t req_ie_len; | |
235 | size_t resp_ie_len; | |
adbde344 | 236 | struct cfg80211_bss *bss; |
667503dd JB |
237 | } rm; |
238 | struct { | |
239 | const u8 *ie; | |
240 | size_t ie_len; | |
241 | u16 reason; | |
80279fb7 | 242 | bool locally_generated; |
667503dd JB |
243 | } dc; |
244 | struct { | |
245 | u8 bssid[ETH_ALEN]; | |
fe94f3a4 | 246 | struct ieee80211_channel *channel; |
667503dd JB |
247 | } ij; |
248 | }; | |
249 | }; | |
250 | ||
fffd0934 JB |
251 | struct cfg80211_cached_keys { |
252 | struct key_params params[6]; | |
253 | u8 data[6][WLAN_MAX_KEY_LEN]; | |
254 | int def, defmgmt; | |
255 | }; | |
256 | ||
26ab9a0c MK |
257 | enum cfg80211_chan_mode { |
258 | CHAN_MODE_UNDEFINED, | |
259 | CHAN_MODE_SHARED, | |
260 | CHAN_MODE_EXCLUSIVE, | |
261 | }; | |
262 | ||
37c73b5f BG |
263 | struct cfg80211_beacon_registration { |
264 | struct list_head list; | |
265 | u32 nlportid; | |
266 | }; | |
667503dd | 267 | |
78f22b6a JB |
268 | struct cfg80211_iface_destroy { |
269 | struct list_head list; | |
270 | u32 nlportid; | |
271 | }; | |
272 | ||
273 | void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev); | |
274 | ||
704232c2 | 275 | /* free object */ |
c1b1203d | 276 | void cfg80211_dev_free(struct cfg80211_registered_device *rdev); |
704232c2 | 277 | |
c1b1203d JP |
278 | int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, |
279 | char *newname); | |
55682965 | 280 | |
8318d78a | 281 | void ieee80211_set_bitrate_flags(struct wiphy *wiphy); |
8318d78a | 282 | |
1b8ec87a ZG |
283 | void cfg80211_bss_expire(struct cfg80211_registered_device *rdev); |
284 | void cfg80211_bss_age(struct cfg80211_registered_device *rdev, | |
cb3a8eec | 285 | unsigned long age_secs); |
2a519311 | 286 | |
04a773ad JB |
287 | /* IBSS */ |
288 | int cfg80211_join_ibss(struct cfg80211_registered_device *rdev, | |
289 | struct net_device *dev, | |
fffd0934 JB |
290 | struct cfg80211_ibss_params *params, |
291 | struct cfg80211_cached_keys *connkeys); | |
9d308429 | 292 | void cfg80211_clear_ibss(struct net_device *dev, bool nowext); |
98d3a7ca JB |
293 | int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
294 | struct net_device *dev, bool nowext); | |
04a773ad | 295 | int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
9d308429 | 296 | struct net_device *dev, bool nowext); |
fe94f3a4 AQ |
297 | void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, |
298 | struct ieee80211_channel *channel); | |
fffd0934 JB |
299 | int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, |
300 | struct wireless_dev *wdev); | |
04a773ad | 301 | |
29cbe68c JB |
302 | /* mesh */ |
303 | extern const struct mesh_config default_mesh_config; | |
c80d545d | 304 | extern const struct mesh_setup default_mesh_setup; |
29cbe68c JB |
305 | int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, |
306 | struct net_device *dev, | |
cc1d2806 | 307 | struct mesh_setup *setup, |
29cbe68c JB |
308 | const struct mesh_config *conf); |
309 | int cfg80211_join_mesh(struct cfg80211_registered_device *rdev, | |
310 | struct net_device *dev, | |
cc1d2806 | 311 | struct mesh_setup *setup, |
29cbe68c | 312 | const struct mesh_config *conf); |
f04c2203 MK |
313 | int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, |
314 | struct net_device *dev); | |
29cbe68c JB |
315 | int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, |
316 | struct net_device *dev); | |
683b6d3b JB |
317 | int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev, |
318 | struct wireless_dev *wdev, | |
319 | struct cfg80211_chan_def *chandef); | |
29cbe68c | 320 | |
6e0bd6c3 RL |
321 | /* OCB */ |
322 | int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev, | |
323 | struct net_device *dev, | |
324 | struct ocb_setup *setup); | |
325 | int cfg80211_join_ocb(struct cfg80211_registered_device *rdev, | |
326 | struct net_device *dev, | |
327 | struct ocb_setup *setup); | |
328 | int __cfg80211_leave_ocb(struct cfg80211_registered_device *rdev, | |
329 | struct net_device *dev); | |
330 | int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev, | |
331 | struct net_device *dev); | |
332 | ||
60771780 | 333 | /* AP */ |
f04c2203 MK |
334 | int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev, |
335 | struct net_device *dev, bool notify); | |
60771780 | 336 | int cfg80211_stop_ap(struct cfg80211_registered_device *rdev, |
7c8d5e03 | 337 | struct net_device *dev, bool notify); |
60771780 | 338 | |
19957bb3 JB |
339 | /* MLME */ |
340 | int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, | |
91bf9b26 JB |
341 | struct net_device *dev, |
342 | struct ieee80211_channel *chan, | |
343 | enum nl80211_auth_type auth_type, | |
344 | const u8 *bssid, | |
19957bb3 | 345 | const u8 *ssid, int ssid_len, |
fffd0934 | 346 | const u8 *ie, int ie_len, |
e39e5b5e JM |
347 | const u8 *key, int key_len, int key_idx, |
348 | const u8 *sae_data, int sae_data_len); | |
19957bb3 | 349 | int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
f62fab73 JB |
350 | struct net_device *dev, |
351 | struct ieee80211_channel *chan, | |
352 | const u8 *bssid, | |
3e5d7649 | 353 | const u8 *ssid, int ssid_len, |
f62fab73 | 354 | struct cfg80211_assoc_request *req); |
19957bb3 JB |
355 | int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, |
356 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
357 | const u8 *ie, int ie_len, u16 reason, |
358 | bool local_state_change); | |
19957bb3 JB |
359 | int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, |
360 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
361 | const u8 *ie, int ie_len, u16 reason, |
362 | bool local_state_change); | |
19957bb3 JB |
363 | void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, |
364 | struct net_device *dev); | |
2e161f78 JB |
365 | int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, |
366 | u16 frame_type, const u8 *match_data, | |
367 | int match_len); | |
33d8783c | 368 | void cfg80211_mlme_unreg_wk(struct work_struct *wk); |
2e161f78 JB |
369 | void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid); |
370 | void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev); | |
371 | int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, | |
71bbc994 | 372 | struct wireless_dev *wdev, |
b176e629 AO |
373 | struct cfg80211_mgmt_tx_params *params, |
374 | u64 *cookie); | |
7e7c8926 BG |
375 | void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa, |
376 | const struct ieee80211_ht_cap *ht_capa_mask); | |
ee2aca34 JB |
377 | void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa, |
378 | const struct ieee80211_vht_cap *vht_capa_mask); | |
19957bb3 | 379 | |
ceca7b71 | 380 | /* SME events */ |
b23aa676 SO |
381 | int cfg80211_connect(struct cfg80211_registered_device *rdev, |
382 | struct net_device *dev, | |
fffd0934 | 383 | struct cfg80211_connect_params *connect, |
83739b03 JB |
384 | struct cfg80211_cached_keys *connkeys, |
385 | const u8 *prev_bssid); | |
ceca7b71 JB |
386 | void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, |
387 | const u8 *req_ie, size_t req_ie_len, | |
388 | const u8 *resp_ie, size_t resp_ie_len, | |
bf1ecd21 | 389 | int status, bool wextev, |
ceca7b71 JB |
390 | struct cfg80211_bss *bss); |
391 | void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, | |
392 | size_t ie_len, u16 reason, bool from_ap); | |
b23aa676 | 393 | int cfg80211_disconnect(struct cfg80211_registered_device *rdev, |
f2129354 JB |
394 | struct net_device *dev, u16 reason, |
395 | bool wextev); | |
ed9d0102 | 396 | void __cfg80211_roamed(struct wireless_dev *wdev, |
adbde344 | 397 | struct cfg80211_bss *bss, |
667503dd JB |
398 | const u8 *req_ie, size_t req_ie_len, |
399 | const u8 *resp_ie, size_t resp_ie_len); | |
fffd0934 JB |
400 | int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev, |
401 | struct wireless_dev *wdev); | |
b23aa676 | 402 | |
ceca7b71 | 403 | /* SME implementation */ |
6829c878 | 404 | void cfg80211_conn_work(struct work_struct *work); |
ceca7b71 JB |
405 | void cfg80211_sme_scan_done(struct net_device *dev); |
406 | bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status); | |
407 | void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len); | |
408 | void cfg80211_sme_disassoc(struct wireless_dev *wdev); | |
409 | void cfg80211_sme_deauth(struct wireless_dev *wdev); | |
410 | void cfg80211_sme_auth_timeout(struct wireless_dev *wdev); | |
411 | void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev); | |
6829c878 | 412 | |
08645126 | 413 | /* internal helpers */ |
38ba3c57 | 414 | bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher); |
fffd0934 JB |
415 | int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, |
416 | struct key_params *params, int key_idx, | |
e31b8213 | 417 | bool pairwise, const u8 *mac_addr); |
667503dd | 418 | void __cfg80211_scan_done(struct work_struct *wk); |
f9d15d16 JB |
419 | void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, |
420 | bool send_message); | |
807f8a8c LC |
421 | void __cfg80211_sched_scan_results(struct work_struct *wk); |
422 | int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev, | |
423 | bool driver_initiated); | |
fffd0934 | 424 | void cfg80211_upload_connect_keys(struct wireless_dev *wdev); |
3d54d255 JB |
425 | int cfg80211_change_iface(struct cfg80211_registered_device *rdev, |
426 | struct net_device *dev, enum nl80211_iftype ntype, | |
427 | u32 *flags, struct vif_params *params); | |
428 | void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev); | |
1f6fc43e | 429 | void cfg80211_process_wdev_events(struct wireless_dev *wdev); |
08645126 | 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 | |
04f39047 SW |
454 | static inline unsigned int elapsed_jiffies_msecs(unsigned long start) |
455 | { | |
456 | unsigned long end = jiffies; | |
457 | ||
458 | if (end >= start) | |
459 | return jiffies_to_msecs(end - start); | |
460 | ||
0ce12026 | 461 | return jiffies_to_msecs(end + (ULONG_MAX - start) + 1); |
04f39047 SW |
462 | } |
463 | ||
26ab9a0c | 464 | void |
8e95ea49 | 465 | cfg80211_get_chan_state(struct wireless_dev *wdev, |
26ab9a0c | 466 | struct ieee80211_channel **chan, |
9e0e2961 MK |
467 | enum cfg80211_chan_mode *chanmode, |
468 | u8 *radar_detect); | |
26ab9a0c | 469 | |
e8c9bd5b | 470 | int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, |
683b6d3b | 471 | struct cfg80211_chan_def *chandef); |
59bbb6f7 | 472 | |
34850ab2 JB |
473 | int ieee80211_get_ratemask(struct ieee80211_supported_band *sband, |
474 | const u8 *rates, unsigned int n_rates, | |
475 | u32 *mask); | |
476 | ||
56d1893d JB |
477 | int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev, |
478 | u32 beacon_int); | |
479 | ||
dbbae26a MK |
480 | void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev, |
481 | enum nl80211_iftype iftype, int num); | |
482 | ||
f04c2203 MK |
483 | void __cfg80211_leave(struct cfg80211_registered_device *rdev, |
484 | struct wireless_dev *wdev); | |
81256969 SG |
485 | void cfg80211_leave(struct cfg80211_registered_device *rdev, |
486 | struct wireless_dev *wdev); | |
487 | ||
f9f47529 JB |
488 | void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev, |
489 | struct wireless_dev *wdev); | |
490 | ||
d4e50c59 MK |
491 | #define CFG80211_MAX_NUM_DIFFERENT_CHANNELS 10 |
492 | ||
f7969969 JB |
493 | #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS |
494 | #define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond) | |
495 | #else | |
496 | /* | |
497 | * Trick to enable using it as a condition, | |
498 | * and also not give a warning when it's | |
499 | * not used that way. | |
500 | */ | |
501 | #define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; }) | |
502 | #endif | |
503 | ||
704232c2 | 504 | #endif /* __NET_WIRELESS_CORE_H */ |