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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; | |
9853a55e | 74 | u32 bss_entries; |
2a519311 | 75 | struct cfg80211_scan_request *scan_req; /* protected by RTNL */ |
f9d15d16 | 76 | struct sk_buff *scan_msg; |
31a60ed1 | 77 | struct cfg80211_sched_scan_request __rcu *sched_scan_req; |
cb3a8eec | 78 | unsigned long suspend_at; |
667503dd | 79 | struct work_struct scan_done_wk; |
807f8a8c | 80 | struct work_struct sched_scan_results_wk; |
2a519311 | 81 | |
ad7e718c | 82 | struct genl_info *cur_cmd_info; |
aff89a9b | 83 | |
6829c878 | 84 | struct work_struct conn_work; |
667503dd | 85 | struct work_struct event_work; |
6829c878 | 86 | |
04f39047 SW |
87 | struct delayed_work dfs_update_channels_wk; |
88 | ||
5de17984 AS |
89 | /* netlink port which started critical protocol (0 means not started) */ |
90 | u32 crit_proto_nlportid; | |
91 | ||
be29b99a AK |
92 | struct cfg80211_coalesce *coalesce; |
93 | ||
78f22b6a JB |
94 | spinlock_t destroy_list_lock; |
95 | struct list_head destroy_list; | |
96 | struct work_struct destroy_work; | |
97 | ||
93a1e86c JR |
98 | struct work_struct sched_scan_stop_wk; |
99 | ||
704232c2 JB |
100 | /* must be last because of the way we do wiphy_priv(), |
101 | * and it should at least be aligned to NETDEV_ALIGN */ | |
1c06ef98 | 102 | struct wiphy wiphy __aligned(NETDEV_ALIGN); |
704232c2 JB |
103 | }; |
104 | ||
105 | static inline | |
f26cbf40 | 106 | struct cfg80211_registered_device *wiphy_to_rdev(struct wiphy *wiphy) |
704232c2 JB |
107 | { |
108 | BUG_ON(!wiphy); | |
109 | return container_of(wiphy, struct cfg80211_registered_device, wiphy); | |
110 | } | |
111 | ||
ff1b6e69 JB |
112 | static inline void |
113 | cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev) | |
114 | { | |
6abb9cb9 | 115 | #ifdef CONFIG_PM |
ff1b6e69 JB |
116 | int i; |
117 | ||
6abb9cb9 | 118 | if (!rdev->wiphy.wowlan_config) |
ff1b6e69 | 119 | return; |
6abb9cb9 JB |
120 | for (i = 0; i < rdev->wiphy.wowlan_config->n_patterns; i++) |
121 | kfree(rdev->wiphy.wowlan_config->patterns[i].mask); | |
122 | kfree(rdev->wiphy.wowlan_config->patterns); | |
123 | if (rdev->wiphy.wowlan_config->tcp && | |
124 | rdev->wiphy.wowlan_config->tcp->sock) | |
125 | sock_release(rdev->wiphy.wowlan_config->tcp->sock); | |
126 | kfree(rdev->wiphy.wowlan_config->tcp); | |
8cd4d456 | 127 | kfree(rdev->wiphy.wowlan_config->nd_config); |
6abb9cb9 JB |
128 | kfree(rdev->wiphy.wowlan_config); |
129 | #endif | |
ff1b6e69 | 130 | } |
e60d7443 AB |
131 | |
132 | extern struct workqueue_struct *cfg80211_wq; | |
79c97e97 | 133 | extern struct list_head cfg80211_rdev_list; |
f5ea9120 | 134 | extern int cfg80211_rdev_list_generation; |
704232c2 | 135 | |
2a519311 JB |
136 | struct cfg80211_internal_bss { |
137 | struct list_head list; | |
776b3580 | 138 | struct list_head hidden_list; |
2a519311 | 139 | struct rb_node rbn; |
6e19bc4b | 140 | u64 ts_boottime; |
2a519311 | 141 | unsigned long ts; |
776b3580 | 142 | unsigned long refcount; |
19957bb3 | 143 | atomic_t hold; |
a08c1c1a | 144 | |
1d76250b AS |
145 | /* time at the start of the reception of the first octet of the |
146 | * timestamp field of the last beacon/probe received for this BSS. | |
147 | * The time is the TSF of the BSS specified by %parent_bssid. | |
148 | */ | |
149 | u64 parent_tsf; | |
150 | ||
151 | /* the BSS according to which %parent_tsf is set. This is set to | |
152 | * the BSS that the interface that requested the scan was connected to | |
153 | * when the beacon/probe was received. | |
154 | */ | |
155 | u8 parent_bssid[ETH_ALEN] __aligned(2); | |
156 | ||
2a519311 JB |
157 | /* must be last because of priv member */ |
158 | struct cfg80211_bss pub; | |
159 | }; | |
160 | ||
19957bb3 JB |
161 | static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub) |
162 | { | |
163 | return container_of(pub, struct cfg80211_internal_bss, pub); | |
164 | } | |
165 | ||
166 | static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss) | |
167 | { | |
168 | atomic_inc(&bss->hold); | |
169 | } | |
170 | ||
171 | static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss) | |
172 | { | |
173 | int r = atomic_dec_return(&bss->hold); | |
174 | WARN_ON(r < 0); | |
175 | } | |
176 | ||
177 | ||
79c97e97 | 178 | struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx); |
806a9e39 LR |
179 | int get_wiphy_idx(struct wiphy *wiphy); |
180 | ||
806a9e39 LR |
181 | struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx); |
182 | ||
463d0183 JB |
183 | int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, |
184 | struct net *net); | |
55682965 | 185 | |
667503dd JB |
186 | static inline void wdev_lock(struct wireless_dev *wdev) |
187 | __acquires(wdev) | |
188 | { | |
189 | mutex_lock(&wdev->mtx); | |
190 | __acquire(wdev->mtx); | |
191 | } | |
192 | ||
193 | static inline void wdev_unlock(struct wireless_dev *wdev) | |
194 | __releases(wdev) | |
195 | { | |
196 | __release(wdev->mtx); | |
197 | mutex_unlock(&wdev->mtx); | |
198 | } | |
199 | ||
46a5ebaf | 200 | #define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx) |
667503dd | 201 | |
dbbae26a MK |
202 | static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev) |
203 | { | |
c5a7e582 | 204 | ASSERT_RTNL(); |
dbbae26a MK |
205 | |
206 | return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces && | |
207 | rdev->num_running_ifaces > 0; | |
208 | } | |
209 | ||
667503dd JB |
210 | enum cfg80211_event_type { |
211 | EVENT_CONNECT_RESULT, | |
212 | EVENT_ROAMED, | |
213 | EVENT_DISCONNECTED, | |
214 | EVENT_IBSS_JOINED, | |
f04c2203 | 215 | EVENT_STOPPED, |
667503dd JB |
216 | }; |
217 | ||
218 | struct cfg80211_event { | |
219 | struct list_head list; | |
220 | enum cfg80211_event_type type; | |
221 | ||
222 | union { | |
223 | struct { | |
224 | u8 bssid[ETH_ALEN]; | |
225 | const u8 *req_ie; | |
226 | const u8 *resp_ie; | |
227 | size_t req_ie_len; | |
228 | size_t resp_ie_len; | |
e7054989 | 229 | struct cfg80211_bss *bss; |
bf1ecd21 | 230 | int status; /* -1 = failed; 0..65535 = status code */ |
667503dd JB |
231 | } cr; |
232 | struct { | |
667503dd JB |
233 | const u8 *req_ie; |
234 | const u8 *resp_ie; | |
235 | size_t req_ie_len; | |
236 | size_t resp_ie_len; | |
adbde344 | 237 | struct cfg80211_bss *bss; |
667503dd JB |
238 | } rm; |
239 | struct { | |
240 | const u8 *ie; | |
241 | size_t ie_len; | |
242 | u16 reason; | |
80279fb7 | 243 | bool locally_generated; |
667503dd JB |
244 | } dc; |
245 | struct { | |
246 | u8 bssid[ETH_ALEN]; | |
fe94f3a4 | 247 | struct ieee80211_channel *channel; |
667503dd JB |
248 | } ij; |
249 | }; | |
250 | }; | |
251 | ||
fffd0934 | 252 | struct cfg80211_cached_keys { |
b8676221 DS |
253 | struct key_params params[CFG80211_MAX_WEP_KEYS]; |
254 | u8 data[CFG80211_MAX_WEP_KEYS][WLAN_KEY_LEN_WEP104]; | |
89b706fb | 255 | int def; |
fffd0934 JB |
256 | }; |
257 | ||
26ab9a0c MK |
258 | enum cfg80211_chan_mode { |
259 | CHAN_MODE_UNDEFINED, | |
260 | CHAN_MODE_SHARED, | |
261 | CHAN_MODE_EXCLUSIVE, | |
262 | }; | |
263 | ||
37c73b5f BG |
264 | struct cfg80211_beacon_registration { |
265 | struct list_head list; | |
266 | u32 nlportid; | |
267 | }; | |
667503dd | 268 | |
78f22b6a JB |
269 | struct cfg80211_iface_destroy { |
270 | struct list_head list; | |
271 | u32 nlportid; | |
272 | }; | |
273 | ||
274 | void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev); | |
275 | ||
704232c2 | 276 | /* free object */ |
c1b1203d | 277 | void cfg80211_dev_free(struct cfg80211_registered_device *rdev); |
704232c2 | 278 | |
c1b1203d JP |
279 | int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, |
280 | char *newname); | |
55682965 | 281 | |
8318d78a | 282 | void ieee80211_set_bitrate_flags(struct wiphy *wiphy); |
8318d78a | 283 | |
1b8ec87a ZG |
284 | void cfg80211_bss_expire(struct cfg80211_registered_device *rdev); |
285 | void cfg80211_bss_age(struct cfg80211_registered_device *rdev, | |
cb3a8eec | 286 | unsigned long age_secs); |
2a519311 | 287 | |
04a773ad JB |
288 | /* IBSS */ |
289 | int cfg80211_join_ibss(struct cfg80211_registered_device *rdev, | |
290 | struct net_device *dev, | |
fffd0934 JB |
291 | struct cfg80211_ibss_params *params, |
292 | struct cfg80211_cached_keys *connkeys); | |
9d308429 | 293 | void cfg80211_clear_ibss(struct net_device *dev, bool nowext); |
98d3a7ca JB |
294 | int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
295 | struct net_device *dev, bool nowext); | |
04a773ad | 296 | int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
9d308429 | 297 | struct net_device *dev, bool nowext); |
fe94f3a4 AQ |
298 | void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, |
299 | struct ieee80211_channel *channel); | |
fffd0934 JB |
300 | int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, |
301 | struct wireless_dev *wdev); | |
04a773ad | 302 | |
29cbe68c JB |
303 | /* mesh */ |
304 | extern const struct mesh_config default_mesh_config; | |
c80d545d | 305 | extern const struct mesh_setup default_mesh_setup; |
29cbe68c JB |
306 | int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, |
307 | struct net_device *dev, | |
cc1d2806 | 308 | struct mesh_setup *setup, |
29cbe68c JB |
309 | const struct mesh_config *conf); |
310 | int cfg80211_join_mesh(struct cfg80211_registered_device *rdev, | |
311 | struct net_device *dev, | |
cc1d2806 | 312 | struct mesh_setup *setup, |
29cbe68c | 313 | const struct mesh_config *conf); |
f04c2203 MK |
314 | int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, |
315 | struct net_device *dev); | |
29cbe68c JB |
316 | int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, |
317 | struct net_device *dev); | |
683b6d3b JB |
318 | int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev, |
319 | struct wireless_dev *wdev, | |
320 | struct cfg80211_chan_def *chandef); | |
29cbe68c | 321 | |
6e0bd6c3 RL |
322 | /* OCB */ |
323 | int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev, | |
324 | struct net_device *dev, | |
325 | struct ocb_setup *setup); | |
326 | int cfg80211_join_ocb(struct cfg80211_registered_device *rdev, | |
327 | struct net_device *dev, | |
328 | struct ocb_setup *setup); | |
329 | int __cfg80211_leave_ocb(struct cfg80211_registered_device *rdev, | |
330 | struct net_device *dev); | |
331 | int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev, | |
332 | struct net_device *dev); | |
333 | ||
60771780 | 334 | /* AP */ |
f04c2203 MK |
335 | int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev, |
336 | struct net_device *dev, bool notify); | |
60771780 | 337 | int cfg80211_stop_ap(struct cfg80211_registered_device *rdev, |
7c8d5e03 | 338 | struct net_device *dev, bool notify); |
60771780 | 339 | |
19957bb3 JB |
340 | /* MLME */ |
341 | int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, | |
91bf9b26 JB |
342 | struct net_device *dev, |
343 | struct ieee80211_channel *chan, | |
344 | enum nl80211_auth_type auth_type, | |
345 | const u8 *bssid, | |
19957bb3 | 346 | const u8 *ssid, int ssid_len, |
fffd0934 | 347 | const u8 *ie, int ie_len, |
e39e5b5e JM |
348 | const u8 *key, int key_len, int key_idx, |
349 | const u8 *sae_data, int sae_data_len); | |
19957bb3 | 350 | int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
f62fab73 JB |
351 | struct net_device *dev, |
352 | struct ieee80211_channel *chan, | |
353 | const u8 *bssid, | |
3e5d7649 | 354 | const u8 *ssid, int ssid_len, |
f62fab73 | 355 | struct cfg80211_assoc_request *req); |
19957bb3 JB |
356 | int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, |
357 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
358 | const u8 *ie, int ie_len, u16 reason, |
359 | bool local_state_change); | |
19957bb3 JB |
360 | int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, |
361 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
362 | const u8 *ie, int ie_len, u16 reason, |
363 | bool local_state_change); | |
19957bb3 JB |
364 | void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, |
365 | struct net_device *dev); | |
2e161f78 JB |
366 | int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, |
367 | u16 frame_type, const u8 *match_data, | |
368 | int match_len); | |
33d8783c | 369 | void cfg80211_mlme_unreg_wk(struct work_struct *wk); |
2e161f78 JB |
370 | void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid); |
371 | void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev); | |
372 | int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, | |
71bbc994 | 373 | struct wireless_dev *wdev, |
b176e629 AO |
374 | struct cfg80211_mgmt_tx_params *params, |
375 | u64 *cookie); | |
7e7c8926 BG |
376 | void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa, |
377 | const struct ieee80211_ht_cap *ht_capa_mask); | |
ee2aca34 JB |
378 | void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa, |
379 | const struct ieee80211_vht_cap *vht_capa_mask); | |
19957bb3 | 380 | |
ceca7b71 | 381 | /* SME events */ |
b23aa676 SO |
382 | int cfg80211_connect(struct cfg80211_registered_device *rdev, |
383 | struct net_device *dev, | |
fffd0934 | 384 | struct cfg80211_connect_params *connect, |
83739b03 JB |
385 | struct cfg80211_cached_keys *connkeys, |
386 | const u8 *prev_bssid); | |
ceca7b71 JB |
387 | void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, |
388 | const u8 *req_ie, size_t req_ie_len, | |
389 | const u8 *resp_ie, size_t resp_ie_len, | |
bf1ecd21 | 390 | int status, bool wextev, |
ceca7b71 JB |
391 | struct cfg80211_bss *bss); |
392 | void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, | |
393 | size_t ie_len, u16 reason, bool from_ap); | |
b23aa676 | 394 | int cfg80211_disconnect(struct cfg80211_registered_device *rdev, |
f2129354 JB |
395 | struct net_device *dev, u16 reason, |
396 | bool wextev); | |
ed9d0102 | 397 | void __cfg80211_roamed(struct wireless_dev *wdev, |
adbde344 | 398 | struct cfg80211_bss *bss, |
667503dd JB |
399 | const u8 *req_ie, size_t req_ie_len, |
400 | const u8 *resp_ie, size_t resp_ie_len); | |
fffd0934 JB |
401 | int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev, |
402 | struct wireless_dev *wdev); | |
b23aa676 | 403 | |
ceca7b71 | 404 | /* SME implementation */ |
6829c878 | 405 | void cfg80211_conn_work(struct work_struct *work); |
ceca7b71 JB |
406 | void cfg80211_sme_scan_done(struct net_device *dev); |
407 | bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status); | |
408 | void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len); | |
409 | void cfg80211_sme_disassoc(struct wireless_dev *wdev); | |
410 | void cfg80211_sme_deauth(struct wireless_dev *wdev); | |
411 | void cfg80211_sme_auth_timeout(struct wireless_dev *wdev); | |
412 | void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev); | |
6829c878 | 413 | |
08645126 | 414 | /* internal helpers */ |
38ba3c57 | 415 | bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher); |
fffd0934 JB |
416 | int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, |
417 | struct key_params *params, int key_idx, | |
e31b8213 | 418 | bool pairwise, const u8 *mac_addr); |
667503dd | 419 | void __cfg80211_scan_done(struct work_struct *wk); |
f9d15d16 JB |
420 | void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, |
421 | bool send_message); | |
807f8a8c LC |
422 | void __cfg80211_sched_scan_results(struct work_struct *wk); |
423 | int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev, | |
424 | bool driver_initiated); | |
fffd0934 | 425 | void cfg80211_upload_connect_keys(struct wireless_dev *wdev); |
3d54d255 JB |
426 | int cfg80211_change_iface(struct cfg80211_registered_device *rdev, |
427 | struct net_device *dev, enum nl80211_iftype ntype, | |
428 | u32 *flags, struct vif_params *params); | |
429 | void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev); | |
1f6fc43e | 430 | void cfg80211_process_wdev_events(struct wireless_dev *wdev); |
08645126 | 431 | |
fe7c3a1f JD |
432 | /** |
433 | * cfg80211_chandef_dfs_usable - checks if chandef is DFS usable | |
434 | * @wiphy: the wiphy to validate against | |
435 | * @chandef: the channel definition to check | |
436 | * | |
437 | * Checks if chandef is usable and we can/need start CAC on such channel. | |
438 | * | |
439 | * Return: Return true if all channels available and at least | |
440 | * one channel require CAC (NL80211_DFS_USABLE) | |
441 | */ | |
442 | bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy, | |
443 | const struct cfg80211_chan_def *chandef); | |
444 | ||
04f39047 SW |
445 | void cfg80211_set_dfs_state(struct wiphy *wiphy, |
446 | const struct cfg80211_chan_def *chandef, | |
447 | enum nl80211_dfs_state dfs_state); | |
448 | ||
449 | void cfg80211_dfs_channels_update_work(struct work_struct *work); | |
450 | ||
31559f35 JD |
451 | unsigned int |
452 | cfg80211_chandef_dfs_cac_time(struct wiphy *wiphy, | |
453 | const struct cfg80211_chan_def *chandef); | |
04f39047 | 454 | |
04f39047 SW |
455 | static inline unsigned int elapsed_jiffies_msecs(unsigned long start) |
456 | { | |
457 | unsigned long end = jiffies; | |
458 | ||
459 | if (end >= start) | |
460 | return jiffies_to_msecs(end - start); | |
461 | ||
0ce12026 | 462 | return jiffies_to_msecs(end + (ULONG_MAX - start) + 1); |
04f39047 SW |
463 | } |
464 | ||
26ab9a0c | 465 | void |
8e95ea49 | 466 | cfg80211_get_chan_state(struct wireless_dev *wdev, |
26ab9a0c | 467 | struct ieee80211_channel **chan, |
9e0e2961 MK |
468 | enum cfg80211_chan_mode *chanmode, |
469 | u8 *radar_detect); | |
26ab9a0c | 470 | |
e8c9bd5b | 471 | int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, |
683b6d3b | 472 | struct cfg80211_chan_def *chandef); |
59bbb6f7 | 473 | |
34850ab2 JB |
474 | int ieee80211_get_ratemask(struct ieee80211_supported_band *sband, |
475 | const u8 *rates, unsigned int n_rates, | |
476 | u32 *mask); | |
477 | ||
56d1893d JB |
478 | int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev, |
479 | u32 beacon_int); | |
480 | ||
dbbae26a MK |
481 | void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev, |
482 | enum nl80211_iftype iftype, int num); | |
483 | ||
f04c2203 MK |
484 | void __cfg80211_leave(struct cfg80211_registered_device *rdev, |
485 | struct wireless_dev *wdev); | |
81256969 SG |
486 | void cfg80211_leave(struct cfg80211_registered_device *rdev, |
487 | struct wireless_dev *wdev); | |
488 | ||
f9f47529 JB |
489 | void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev, |
490 | struct wireless_dev *wdev); | |
491 | ||
cb3b7d87 AB |
492 | void cfg80211_stop_nan(struct cfg80211_registered_device *rdev, |
493 | struct wireless_dev *wdev); | |
494 | ||
d4e50c59 MK |
495 | #define CFG80211_MAX_NUM_DIFFERENT_CHANNELS 10 |
496 | ||
f7969969 JB |
497 | #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS |
498 | #define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond) | |
499 | #else | |
500 | /* | |
501 | * Trick to enable using it as a condition, | |
502 | * and also not give a warning when it's | |
503 | * not used that way. | |
504 | */ | |
505 | #define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; }) | |
506 | #endif | |
507 | ||
704232c2 | 508 | #endif /* __NET_WIRELESS_CORE_H */ |