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 | |
8 | #include <linux/mutex.h> | |
9 | #include <linux/list.h> | |
10 | #include <linux/netdevice.h> | |
2a519311 JB |
11 | #include <linux/kref.h> |
12 | #include <linux/rbtree.h> | |
1ac61302 | 13 | #include <linux/debugfs.h> |
1f87f7d3 JB |
14 | #include <linux/rfkill.h> |
15 | #include <linux/workqueue.h> | |
704232c2 | 16 | #include <net/genetlink.h> |
704232c2 | 17 | #include <net/cfg80211.h> |
3f2355cb | 18 | #include "reg.h" |
704232c2 JB |
19 | |
20 | struct cfg80211_registered_device { | |
3dcf670b | 21 | const struct cfg80211_ops *ops; |
704232c2 JB |
22 | struct list_head list; |
23 | /* we hold this mutex during any call so that | |
24 | * we cannot do multiple calls at once, and also | |
25 | * to avoid the deregister call to proceed while | |
26 | * any call is in progress */ | |
27 | struct mutex mtx; | |
28 | ||
1f87f7d3 JB |
29 | /* rfkill support */ |
30 | struct rfkill_ops rfkill_ops; | |
31 | struct rfkill *rfkill; | |
32 | struct work_struct rfkill_sync; | |
33 | ||
3f2355cb LR |
34 | /* ISO / IEC 3166 alpha2 for which this device is receiving |
35 | * country IEs on, this can help disregard country IEs from APs | |
36 | * on the same alpha2 quickly. The alpha2 may differ from | |
37 | * cfg80211_regdomain's alpha2 when an intersection has occurred. | |
38 | * If the AP is reconfigured this can also be used to tell us if | |
39 | * the country on the country IE changed. */ | |
40 | char country_ie_alpha2[2]; | |
41 | ||
42 | /* If a Country IE has been received this tells us the environment | |
43 | * which its telling us its in. This defaults to ENVIRON_ANY */ | |
44 | enum environment_cap env; | |
45 | ||
704232c2 | 46 | /* wiphy index, internal only */ |
b5850a7a | 47 | int wiphy_idx; |
704232c2 JB |
48 | |
49 | /* associate netdev list */ | |
50 | struct mutex devlist_mtx; | |
5f2aa25e | 51 | /* protected by devlist_mtx or RCU */ |
704232c2 | 52 | struct list_head netdev_list; |
f5ea9120 | 53 | int devlist_generation; |
ad002395 JB |
54 | int opencount; /* also protected by devlist_mtx */ |
55 | wait_queue_head_t dev_wait; | |
704232c2 | 56 | |
5e760230 JB |
57 | u32 ap_beacons_nlpid; |
58 | ||
dbbae26a MK |
59 | int num_running_ifaces; |
60 | int num_running_monitor_ifaces; | |
61 | ||
b78e8cea MK |
62 | struct ieee80211_channel *monitor_channel; |
63 | enum nl80211_channel_type monitor_channel_type; | |
64 | ||
2a519311 JB |
65 | /* BSSes/scanning */ |
66 | spinlock_t bss_lock; | |
67 | struct list_head bss_list; | |
68 | struct rb_root bss_tree; | |
69 | u32 bss_generation; | |
70 | struct cfg80211_scan_request *scan_req; /* protected by RTNL */ | |
807f8a8c | 71 | struct cfg80211_sched_scan_request *sched_scan_req; |
cb3a8eec | 72 | unsigned long suspend_at; |
667503dd | 73 | struct work_struct scan_done_wk; |
807f8a8c | 74 | struct work_struct sched_scan_results_wk; |
2a519311 | 75 | |
c10841ca LC |
76 | struct mutex sched_scan_mtx; |
77 | ||
aff89a9b JB |
78 | #ifdef CONFIG_NL80211_TESTMODE |
79 | struct genl_info *testmode_info; | |
80 | #endif | |
81 | ||
6829c878 | 82 | struct work_struct conn_work; |
667503dd | 83 | struct work_struct event_work; |
6829c878 | 84 | |
ff1b6e69 JB |
85 | struct cfg80211_wowlan *wowlan; |
86 | ||
704232c2 JB |
87 | /* must be last because of the way we do wiphy_priv(), |
88 | * and it should at least be aligned to NETDEV_ALIGN */ | |
89 | struct wiphy wiphy __attribute__((__aligned__(NETDEV_ALIGN))); | |
90 | }; | |
91 | ||
92 | static inline | |
93 | struct cfg80211_registered_device *wiphy_to_dev(struct wiphy *wiphy) | |
94 | { | |
95 | BUG_ON(!wiphy); | |
96 | return container_of(wiphy, struct cfg80211_registered_device, wiphy); | |
97 | } | |
98 | ||
85fd129a LR |
99 | /* Note 0 is valid, hence phy0 */ |
100 | static inline | |
101 | bool wiphy_idx_valid(int wiphy_idx) | |
102 | { | |
a02cec21 | 103 | return wiphy_idx >= 0; |
85fd129a LR |
104 | } |
105 | ||
ff1b6e69 JB |
106 | static inline void |
107 | cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev) | |
108 | { | |
109 | int i; | |
110 | ||
111 | if (!rdev->wowlan) | |
112 | return; | |
113 | for (i = 0; i < rdev->wowlan->n_patterns; i++) | |
114 | kfree(rdev->wowlan->patterns[i].mask); | |
115 | kfree(rdev->wowlan->patterns); | |
116 | kfree(rdev->wowlan); | |
117 | } | |
e60d7443 AB |
118 | |
119 | extern struct workqueue_struct *cfg80211_wq; | |
a1794390 | 120 | extern struct mutex cfg80211_mutex; |
79c97e97 | 121 | extern struct list_head cfg80211_rdev_list; |
f5ea9120 | 122 | extern int cfg80211_rdev_list_generation; |
704232c2 | 123 | |
46a5ebaf JB |
124 | static inline void assert_cfg80211_lock(void) |
125 | { | |
126 | lockdep_assert_held(&cfg80211_mutex); | |
127 | } | |
761cf7ec | 128 | |
806a9e39 LR |
129 | /* |
130 | * You can use this to mark a wiphy_idx as not having an associated wiphy. | |
79c97e97 | 131 | * It guarantees cfg80211_rdev_by_wiphy_idx(wiphy_idx) will return NULL |
806a9e39 LR |
132 | */ |
133 | #define WIPHY_IDX_STALE -1 | |
134 | ||
2a519311 JB |
135 | struct cfg80211_internal_bss { |
136 | struct list_head list; | |
137 | struct rb_node rbn; | |
138 | unsigned long ts; | |
139 | struct kref ref; | |
19957bb3 | 140 | atomic_t hold; |
34a6eddb JM |
141 | bool beacon_ies_allocated; |
142 | bool proberesp_ies_allocated; | |
a08c1c1a | 143 | |
2a519311 JB |
144 | /* must be last because of priv member */ |
145 | struct cfg80211_bss pub; | |
146 | }; | |
147 | ||
19957bb3 JB |
148 | static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub) |
149 | { | |
150 | return container_of(pub, struct cfg80211_internal_bss, pub); | |
151 | } | |
152 | ||
153 | static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss) | |
154 | { | |
155 | atomic_inc(&bss->hold); | |
156 | } | |
157 | ||
158 | static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss) | |
159 | { | |
160 | int r = atomic_dec_return(&bss->hold); | |
161 | WARN_ON(r < 0); | |
162 | } | |
163 | ||
164 | ||
79c97e97 | 165 | struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx); |
806a9e39 LR |
166 | int get_wiphy_idx(struct wiphy *wiphy); |
167 | ||
79c97e97 | 168 | /* requires cfg80211_rdev_mutex to be held! */ |
806a9e39 LR |
169 | struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx); |
170 | ||
55682965 JB |
171 | /* identical to cfg80211_get_dev_from_info but only operate on ifindex */ |
172 | extern struct cfg80211_registered_device * | |
463d0183 JB |
173 | cfg80211_get_dev_from_ifindex(struct net *net, int ifindex); |
174 | ||
175 | int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, | |
176 | struct net *net); | |
55682965 | 177 | |
79c97e97 | 178 | static inline void cfg80211_lock_rdev(struct cfg80211_registered_device *rdev) |
667503dd | 179 | { |
79c97e97 | 180 | mutex_lock(&rdev->mtx); |
667503dd JB |
181 | } |
182 | ||
79c97e97 | 183 | static inline void cfg80211_unlock_rdev(struct cfg80211_registered_device *rdev) |
4d0c8aea | 184 | { |
79c97e97 JB |
185 | BUG_ON(IS_ERR(rdev) || !rdev); |
186 | mutex_unlock(&rdev->mtx); | |
4d0c8aea | 187 | } |
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 JB |
203 | #define ASSERT_RDEV_LOCK(rdev) lockdep_assert_held(&(rdev)->mtx) |
204 | #define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx) | |
667503dd | 205 | |
dbbae26a MK |
206 | static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev) |
207 | { | |
208 | ASSERT_RDEV_LOCK(rdev); | |
209 | ||
210 | return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces && | |
211 | rdev->num_running_ifaces > 0; | |
212 | } | |
213 | ||
667503dd JB |
214 | enum cfg80211_event_type { |
215 | EVENT_CONNECT_RESULT, | |
216 | EVENT_ROAMED, | |
217 | EVENT_DISCONNECTED, | |
218 | EVENT_IBSS_JOINED, | |
219 | }; | |
220 | ||
221 | struct cfg80211_event { | |
222 | struct list_head list; | |
223 | enum cfg80211_event_type type; | |
224 | ||
225 | union { | |
226 | struct { | |
227 | u8 bssid[ETH_ALEN]; | |
228 | const u8 *req_ie; | |
229 | const u8 *resp_ie; | |
230 | size_t req_ie_len; | |
231 | size_t resp_ie_len; | |
232 | u16 status; | |
233 | } cr; | |
234 | struct { | |
667503dd JB |
235 | const u8 *req_ie; |
236 | const u8 *resp_ie; | |
237 | size_t req_ie_len; | |
238 | size_t resp_ie_len; | |
adbde344 | 239 | struct cfg80211_bss *bss; |
667503dd JB |
240 | } rm; |
241 | struct { | |
242 | const u8 *ie; | |
243 | size_t ie_len; | |
244 | u16 reason; | |
245 | } dc; | |
246 | struct { | |
247 | u8 bssid[ETH_ALEN]; | |
248 | } ij; | |
249 | }; | |
250 | }; | |
251 | ||
fffd0934 JB |
252 | struct cfg80211_cached_keys { |
253 | struct key_params params[6]; | |
254 | u8 data[6][WLAN_MAX_KEY_LEN]; | |
255 | int def, defmgmt; | |
256 | }; | |
257 | ||
26ab9a0c MK |
258 | enum cfg80211_chan_mode { |
259 | CHAN_MODE_UNDEFINED, | |
260 | CHAN_MODE_SHARED, | |
261 | CHAN_MODE_EXCLUSIVE, | |
262 | }; | |
263 | ||
667503dd | 264 | |
704232c2 | 265 | /* free object */ |
79c97e97 | 266 | extern void cfg80211_dev_free(struct cfg80211_registered_device *rdev); |
704232c2 | 267 | |
79c97e97 | 268 | extern int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, |
55682965 JB |
269 | char *newname); |
270 | ||
8318d78a | 271 | void ieee80211_set_bitrate_flags(struct wiphy *wiphy); |
8318d78a | 272 | |
2a519311 | 273 | void cfg80211_bss_expire(struct cfg80211_registered_device *dev); |
cb3a8eec DW |
274 | void cfg80211_bss_age(struct cfg80211_registered_device *dev, |
275 | unsigned long age_secs); | |
2a519311 | 276 | |
04a773ad | 277 | /* IBSS */ |
667503dd JB |
278 | int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, |
279 | struct net_device *dev, | |
fffd0934 JB |
280 | struct cfg80211_ibss_params *params, |
281 | struct cfg80211_cached_keys *connkeys); | |
04a773ad JB |
282 | int cfg80211_join_ibss(struct cfg80211_registered_device *rdev, |
283 | struct net_device *dev, | |
fffd0934 JB |
284 | struct cfg80211_ibss_params *params, |
285 | struct cfg80211_cached_keys *connkeys); | |
9d308429 | 286 | void cfg80211_clear_ibss(struct net_device *dev, bool nowext); |
98d3a7ca JB |
287 | int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
288 | struct net_device *dev, bool nowext); | |
04a773ad | 289 | int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
9d308429 | 290 | struct net_device *dev, bool nowext); |
667503dd | 291 | void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid); |
fffd0934 JB |
292 | int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, |
293 | struct wireless_dev *wdev); | |
04a773ad | 294 | |
29cbe68c JB |
295 | /* mesh */ |
296 | extern const struct mesh_config default_mesh_config; | |
c80d545d | 297 | extern const struct mesh_setup default_mesh_setup; |
29cbe68c JB |
298 | int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, |
299 | struct net_device *dev, | |
cc1d2806 | 300 | struct mesh_setup *setup, |
29cbe68c JB |
301 | const struct mesh_config *conf); |
302 | int cfg80211_join_mesh(struct cfg80211_registered_device *rdev, | |
303 | struct net_device *dev, | |
cc1d2806 | 304 | struct mesh_setup *setup, |
29cbe68c JB |
305 | const struct mesh_config *conf); |
306 | int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, | |
307 | struct net_device *dev); | |
cc1d2806 JB |
308 | int cfg80211_set_mesh_freq(struct cfg80211_registered_device *rdev, |
309 | struct wireless_dev *wdev, int freq, | |
310 | enum nl80211_channel_type channel_type); | |
29cbe68c | 311 | |
60771780 MK |
312 | /* AP */ |
313 | int cfg80211_stop_ap(struct cfg80211_registered_device *rdev, | |
314 | struct net_device *dev); | |
315 | ||
19957bb3 | 316 | /* MLME */ |
667503dd JB |
317 | int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, |
318 | struct net_device *dev, | |
319 | struct ieee80211_channel *chan, | |
320 | enum nl80211_auth_type auth_type, | |
321 | const u8 *bssid, | |
322 | const u8 *ssid, int ssid_len, | |
fffd0934 | 323 | const u8 *ie, int ie_len, |
95de817b | 324 | const u8 *key, int key_len, int key_idx); |
19957bb3 JB |
325 | int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, |
326 | struct net_device *dev, struct ieee80211_channel *chan, | |
327 | enum nl80211_auth_type auth_type, const u8 *bssid, | |
328 | const u8 *ssid, int ssid_len, | |
fffd0934 | 329 | const u8 *ie, int ie_len, |
95de817b | 330 | const u8 *key, int key_len, int key_idx); |
667503dd JB |
331 | int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
332 | struct net_device *dev, | |
333 | struct ieee80211_channel *chan, | |
334 | const u8 *bssid, const u8 *prev_bssid, | |
335 | const u8 *ssid, int ssid_len, | |
336 | const u8 *ie, int ie_len, bool use_mfp, | |
7e7c8926 BG |
337 | struct cfg80211_crypto_settings *crypt, |
338 | u32 assoc_flags, struct ieee80211_ht_cap *ht_capa, | |
339 | struct ieee80211_ht_cap *ht_capa_mask); | |
19957bb3 JB |
340 | int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
341 | struct net_device *dev, struct ieee80211_channel *chan, | |
3e5d7649 JB |
342 | const u8 *bssid, const u8 *prev_bssid, |
343 | const u8 *ssid, int ssid_len, | |
19957bb3 | 344 | const u8 *ie, int ie_len, bool use_mfp, |
7e7c8926 BG |
345 | struct cfg80211_crypto_settings *crypt, |
346 | u32 assoc_flags, struct ieee80211_ht_cap *ht_capa, | |
347 | struct ieee80211_ht_cap *ht_capa_mask); | |
667503dd JB |
348 | int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, |
349 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
350 | const u8 *ie, int ie_len, u16 reason, |
351 | bool local_state_change); | |
19957bb3 JB |
352 | int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, |
353 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
354 | const u8 *ie, int ie_len, u16 reason, |
355 | bool local_state_change); | |
19957bb3 JB |
356 | int cfg80211_mlme_disassoc(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 | void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, |
361 | struct net_device *dev); | |
667503dd JB |
362 | void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, |
363 | const u8 *req_ie, size_t req_ie_len, | |
364 | const u8 *resp_ie, size_t resp_ie_len, | |
df7fc0f9 JB |
365 | u16 status, bool wextev, |
366 | struct cfg80211_bss *bss); | |
2e161f78 JB |
367 | int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, |
368 | u16 frame_type, const u8 *match_data, | |
369 | int match_len); | |
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, | |
373 | struct net_device *dev, | |
f7ca38df | 374 | struct ieee80211_channel *chan, bool offchan, |
2e161f78 | 375 | enum nl80211_channel_type channel_type, |
f7ca38df | 376 | bool channel_type_valid, unsigned int wait, |
e9f935e3 | 377 | const u8 *buf, size_t len, bool no_cck, |
e247bd90 | 378 | bool dont_wait_for_ack, u64 *cookie); |
7e7c8926 BG |
379 | void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa, |
380 | const struct ieee80211_ht_cap *ht_capa_mask); | |
19957bb3 | 381 | |
b23aa676 | 382 | /* SME */ |
667503dd JB |
383 | int __cfg80211_connect(struct cfg80211_registered_device *rdev, |
384 | struct net_device *dev, | |
fffd0934 | 385 | struct cfg80211_connect_params *connect, |
f401a6f7 JB |
386 | struct cfg80211_cached_keys *connkeys, |
387 | const u8 *prev_bssid); | |
b23aa676 SO |
388 | int cfg80211_connect(struct cfg80211_registered_device *rdev, |
389 | struct net_device *dev, | |
fffd0934 JB |
390 | struct cfg80211_connect_params *connect, |
391 | struct cfg80211_cached_keys *connkeys); | |
667503dd JB |
392 | int __cfg80211_disconnect(struct cfg80211_registered_device *rdev, |
393 | struct net_device *dev, u16 reason, | |
394 | bool wextev); | |
b23aa676 | 395 | int cfg80211_disconnect(struct cfg80211_registered_device *rdev, |
f2129354 JB |
396 | struct net_device *dev, u16 reason, |
397 | bool wextev); | |
ed9d0102 | 398 | void __cfg80211_roamed(struct wireless_dev *wdev, |
adbde344 | 399 | struct cfg80211_bss *bss, |
667503dd JB |
400 | const u8 *req_ie, size_t req_ie_len, |
401 | const u8 *resp_ie, size_t resp_ie_len); | |
fffd0934 JB |
402 | int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev, |
403 | struct wireless_dev *wdev); | |
b23aa676 | 404 | |
6829c878 | 405 | void cfg80211_conn_work(struct work_struct *work); |
7d930bc3 | 406 | void cfg80211_sme_failed_assoc(struct wireless_dev *wdev); |
f401a6f7 | 407 | bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev); |
6829c878 | 408 | |
08645126 | 409 | /* internal helpers */ |
38ba3c57 | 410 | bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher); |
fffd0934 JB |
411 | int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, |
412 | struct key_params *params, int key_idx, | |
e31b8213 | 413 | bool pairwise, const u8 *mac_addr); |
667503dd | 414 | void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, |
6829c878 JB |
415 | size_t ie_len, u16 reason, bool from_ap); |
416 | void cfg80211_sme_scan_done(struct net_device *dev); | |
417 | void cfg80211_sme_rx_auth(struct net_device *dev, const u8 *buf, size_t len); | |
95de817b JB |
418 | void cfg80211_sme_disassoc(struct net_device *dev, |
419 | struct cfg80211_internal_bss *bss); | |
667503dd | 420 | void __cfg80211_scan_done(struct work_struct *wk); |
01a0ac41 | 421 | void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak); |
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); | |
08645126 | 430 | |
d4e50c59 MK |
431 | int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev, |
432 | struct wireless_dev *wdev, | |
433 | enum nl80211_iftype iftype, | |
434 | struct ieee80211_channel *chan, | |
435 | enum cfg80211_chan_mode chanmode); | |
436 | ||
437 | static inline int | |
438 | cfg80211_can_change_interface(struct cfg80211_registered_device *rdev, | |
439 | struct wireless_dev *wdev, | |
440 | enum nl80211_iftype iftype) | |
441 | { | |
442 | return cfg80211_can_use_iftype_chan(rdev, wdev, iftype, NULL, | |
443 | CHAN_MODE_UNDEFINED); | |
444 | } | |
7527a782 JB |
445 | |
446 | static inline int | |
447 | cfg80211_can_add_interface(struct cfg80211_registered_device *rdev, | |
448 | enum nl80211_iftype iftype) | |
449 | { | |
450 | return cfg80211_can_change_interface(rdev, NULL, iftype); | |
451 | } | |
452 | ||
d4e50c59 MK |
453 | static inline int |
454 | cfg80211_can_use_chan(struct cfg80211_registered_device *rdev, | |
455 | struct wireless_dev *wdev, | |
456 | struct ieee80211_channel *chan, | |
457 | enum cfg80211_chan_mode chanmode) | |
458 | { | |
459 | return cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, | |
460 | chan, chanmode); | |
461 | } | |
462 | ||
26ab9a0c MK |
463 | void |
464 | cfg80211_get_chan_state(struct cfg80211_registered_device *rdev, | |
465 | struct wireless_dev *wdev, | |
466 | struct ieee80211_channel **chan, | |
467 | enum cfg80211_chan_mode *chanmode); | |
468 | ||
9588bbd5 JM |
469 | struct ieee80211_channel * |
470 | rdev_freq_to_chan(struct cfg80211_registered_device *rdev, | |
471 | int freq, enum nl80211_channel_type channel_type); | |
e8c9bd5b JB |
472 | int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, |
473 | int freq, enum nl80211_channel_type chantype); | |
59bbb6f7 | 474 | |
34850ab2 JB |
475 | int ieee80211_get_ratemask(struct ieee80211_supported_band *sband, |
476 | const u8 *rates, unsigned int n_rates, | |
477 | u32 *mask); | |
478 | ||
56d1893d JB |
479 | int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev, |
480 | u32 beacon_int); | |
481 | ||
dbbae26a MK |
482 | void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev, |
483 | enum nl80211_iftype iftype, int num); | |
484 | ||
d4e50c59 MK |
485 | #define CFG80211_MAX_NUM_DIFFERENT_CHANNELS 10 |
486 | ||
f7969969 JB |
487 | #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS |
488 | #define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond) | |
489 | #else | |
490 | /* | |
491 | * Trick to enable using it as a condition, | |
492 | * and also not give a warning when it's | |
493 | * not used that way. | |
494 | */ | |
495 | #define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; }) | |
496 | #endif | |
497 | ||
704232c2 | 498 | #endif /* __NET_WIRELESS_CORE_H */ |