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 | ||
2a519311 JB |
59 | /* BSSes/scanning */ |
60 | spinlock_t bss_lock; | |
61 | struct list_head bss_list; | |
62 | struct rb_root bss_tree; | |
63 | u32 bss_generation; | |
64 | struct cfg80211_scan_request *scan_req; /* protected by RTNL */ | |
807f8a8c | 65 | struct cfg80211_sched_scan_request *sched_scan_req; |
cb3a8eec | 66 | unsigned long suspend_at; |
667503dd | 67 | struct work_struct scan_done_wk; |
807f8a8c | 68 | struct work_struct sched_scan_results_wk; |
2a519311 | 69 | |
c10841ca LC |
70 | struct mutex sched_scan_mtx; |
71 | ||
aff89a9b JB |
72 | #ifdef CONFIG_NL80211_TESTMODE |
73 | struct genl_info *testmode_info; | |
74 | #endif | |
75 | ||
6829c878 | 76 | struct work_struct conn_work; |
667503dd | 77 | struct work_struct event_work; |
6829c878 | 78 | |
ff1b6e69 JB |
79 | struct cfg80211_wowlan *wowlan; |
80 | ||
704232c2 JB |
81 | /* must be last because of the way we do wiphy_priv(), |
82 | * and it should at least be aligned to NETDEV_ALIGN */ | |
83 | struct wiphy wiphy __attribute__((__aligned__(NETDEV_ALIGN))); | |
84 | }; | |
85 | ||
86 | static inline | |
87 | struct cfg80211_registered_device *wiphy_to_dev(struct wiphy *wiphy) | |
88 | { | |
89 | BUG_ON(!wiphy); | |
90 | return container_of(wiphy, struct cfg80211_registered_device, wiphy); | |
91 | } | |
92 | ||
85fd129a LR |
93 | /* Note 0 is valid, hence phy0 */ |
94 | static inline | |
95 | bool wiphy_idx_valid(int wiphy_idx) | |
96 | { | |
a02cec21 | 97 | return wiphy_idx >= 0; |
85fd129a LR |
98 | } |
99 | ||
ff1b6e69 JB |
100 | static inline void |
101 | cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev) | |
102 | { | |
103 | int i; | |
104 | ||
105 | if (!rdev->wowlan) | |
106 | return; | |
107 | for (i = 0; i < rdev->wowlan->n_patterns; i++) | |
108 | kfree(rdev->wowlan->patterns[i].mask); | |
109 | kfree(rdev->wowlan->patterns); | |
110 | kfree(rdev->wowlan); | |
111 | } | |
e60d7443 AB |
112 | |
113 | extern struct workqueue_struct *cfg80211_wq; | |
a1794390 | 114 | extern struct mutex cfg80211_mutex; |
79c97e97 | 115 | extern struct list_head cfg80211_rdev_list; |
f5ea9120 | 116 | extern int cfg80211_rdev_list_generation; |
704232c2 | 117 | |
46a5ebaf JB |
118 | static inline void assert_cfg80211_lock(void) |
119 | { | |
120 | lockdep_assert_held(&cfg80211_mutex); | |
121 | } | |
761cf7ec | 122 | |
806a9e39 LR |
123 | /* |
124 | * You can use this to mark a wiphy_idx as not having an associated wiphy. | |
79c97e97 | 125 | * It guarantees cfg80211_rdev_by_wiphy_idx(wiphy_idx) will return NULL |
806a9e39 LR |
126 | */ |
127 | #define WIPHY_IDX_STALE -1 | |
128 | ||
2a519311 JB |
129 | struct cfg80211_internal_bss { |
130 | struct list_head list; | |
131 | struct rb_node rbn; | |
132 | unsigned long ts; | |
133 | struct kref ref; | |
19957bb3 | 134 | atomic_t hold; |
34a6eddb JM |
135 | bool beacon_ies_allocated; |
136 | bool proberesp_ies_allocated; | |
a08c1c1a | 137 | |
2a519311 JB |
138 | /* must be last because of priv member */ |
139 | struct cfg80211_bss pub; | |
140 | }; | |
141 | ||
19957bb3 JB |
142 | static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub) |
143 | { | |
144 | return container_of(pub, struct cfg80211_internal_bss, pub); | |
145 | } | |
146 | ||
df7fc0f9 JB |
147 | static inline void cfg80211_ref_bss(struct cfg80211_internal_bss *bss) |
148 | { | |
149 | kref_get(&bss->ref); | |
150 | } | |
151 | ||
19957bb3 JB |
152 | static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss) |
153 | { | |
154 | atomic_inc(&bss->hold); | |
155 | } | |
156 | ||
157 | static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss) | |
158 | { | |
159 | int r = atomic_dec_return(&bss->hold); | |
160 | WARN_ON(r < 0); | |
161 | } | |
162 | ||
163 | ||
79c97e97 | 164 | struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx); |
806a9e39 LR |
165 | int get_wiphy_idx(struct wiphy *wiphy); |
166 | ||
4bbf4d56 | 167 | struct cfg80211_registered_device * |
79c97e97 | 168 | __cfg80211_rdev_from_info(struct genl_info *info); |
4bbf4d56 | 169 | |
55682965 JB |
170 | /* |
171 | * This function returns a pointer to the driver | |
172 | * that the genl_info item that is passed refers to. | |
173 | * If successful, it returns non-NULL and also locks | |
174 | * the driver's mutex! | |
175 | * | |
4d0c8aea | 176 | * This means that you need to call cfg80211_unlock_rdev() |
a1794390 | 177 | * before being allowed to acquire &cfg80211_mutex! |
55682965 JB |
178 | * |
179 | * This is necessary because we need to lock the global | |
180 | * mutex to get an item off the list safely, and then | |
79c97e97 | 181 | * we lock the rdev mutex so it doesn't go away under us. |
55682965 | 182 | * |
a1794390 | 183 | * We don't want to keep cfg80211_mutex locked |
55682965 JB |
184 | * for all the time in order to allow requests on |
185 | * other interfaces to go through at the same time. | |
186 | * | |
187 | * The result of this can be a PTR_ERR and hence must | |
188 | * be checked with IS_ERR() for errors. | |
189 | */ | |
190 | extern struct cfg80211_registered_device * | |
191 | cfg80211_get_dev_from_info(struct genl_info *info); | |
192 | ||
79c97e97 | 193 | /* requires cfg80211_rdev_mutex to be held! */ |
806a9e39 LR |
194 | struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx); |
195 | ||
55682965 JB |
196 | /* identical to cfg80211_get_dev_from_info but only operate on ifindex */ |
197 | extern struct cfg80211_registered_device * | |
463d0183 JB |
198 | cfg80211_get_dev_from_ifindex(struct net *net, int ifindex); |
199 | ||
200 | int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, | |
201 | struct net *net); | |
55682965 | 202 | |
79c97e97 | 203 | static inline void cfg80211_lock_rdev(struct cfg80211_registered_device *rdev) |
667503dd | 204 | { |
79c97e97 | 205 | mutex_lock(&rdev->mtx); |
667503dd JB |
206 | } |
207 | ||
79c97e97 | 208 | static inline void cfg80211_unlock_rdev(struct cfg80211_registered_device *rdev) |
4d0c8aea | 209 | { |
79c97e97 JB |
210 | BUG_ON(IS_ERR(rdev) || !rdev); |
211 | mutex_unlock(&rdev->mtx); | |
4d0c8aea | 212 | } |
55682965 | 213 | |
667503dd JB |
214 | static inline void wdev_lock(struct wireless_dev *wdev) |
215 | __acquires(wdev) | |
216 | { | |
217 | mutex_lock(&wdev->mtx); | |
218 | __acquire(wdev->mtx); | |
219 | } | |
220 | ||
221 | static inline void wdev_unlock(struct wireless_dev *wdev) | |
222 | __releases(wdev) | |
223 | { | |
224 | __release(wdev->mtx); | |
225 | mutex_unlock(&wdev->mtx); | |
226 | } | |
227 | ||
46a5ebaf JB |
228 | #define ASSERT_RDEV_LOCK(rdev) lockdep_assert_held(&(rdev)->mtx) |
229 | #define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx) | |
667503dd JB |
230 | |
231 | enum cfg80211_event_type { | |
232 | EVENT_CONNECT_RESULT, | |
233 | EVENT_ROAMED, | |
234 | EVENT_DISCONNECTED, | |
235 | EVENT_IBSS_JOINED, | |
236 | }; | |
237 | ||
238 | struct cfg80211_event { | |
239 | struct list_head list; | |
240 | enum cfg80211_event_type type; | |
241 | ||
242 | union { | |
243 | struct { | |
244 | u8 bssid[ETH_ALEN]; | |
245 | const u8 *req_ie; | |
246 | const u8 *resp_ie; | |
247 | size_t req_ie_len; | |
248 | size_t resp_ie_len; | |
249 | u16 status; | |
250 | } cr; | |
251 | struct { | |
ed9d0102 | 252 | struct ieee80211_channel *channel; |
667503dd JB |
253 | u8 bssid[ETH_ALEN]; |
254 | const u8 *req_ie; | |
255 | const u8 *resp_ie; | |
256 | size_t req_ie_len; | |
257 | size_t resp_ie_len; | |
258 | } rm; | |
259 | struct { | |
260 | const u8 *ie; | |
261 | size_t ie_len; | |
262 | u16 reason; | |
263 | } dc; | |
264 | struct { | |
265 | u8 bssid[ETH_ALEN]; | |
266 | } ij; | |
267 | }; | |
268 | }; | |
269 | ||
fffd0934 JB |
270 | struct cfg80211_cached_keys { |
271 | struct key_params params[6]; | |
272 | u8 data[6][WLAN_MAX_KEY_LEN]; | |
273 | int def, defmgmt; | |
274 | }; | |
275 | ||
667503dd | 276 | |
704232c2 | 277 | /* free object */ |
79c97e97 | 278 | extern void cfg80211_dev_free(struct cfg80211_registered_device *rdev); |
704232c2 | 279 | |
79c97e97 | 280 | extern int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, |
55682965 JB |
281 | char *newname); |
282 | ||
8318d78a | 283 | void ieee80211_set_bitrate_flags(struct wiphy *wiphy); |
8318d78a | 284 | |
2a519311 | 285 | void cfg80211_bss_expire(struct cfg80211_registered_device *dev); |
cb3a8eec DW |
286 | void cfg80211_bss_age(struct cfg80211_registered_device *dev, |
287 | unsigned long age_secs); | |
2a519311 | 288 | |
04a773ad | 289 | /* IBSS */ |
667503dd JB |
290 | int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, |
291 | struct net_device *dev, | |
fffd0934 JB |
292 | struct cfg80211_ibss_params *params, |
293 | struct cfg80211_cached_keys *connkeys); | |
04a773ad JB |
294 | int cfg80211_join_ibss(struct cfg80211_registered_device *rdev, |
295 | struct net_device *dev, | |
fffd0934 JB |
296 | struct cfg80211_ibss_params *params, |
297 | struct cfg80211_cached_keys *connkeys); | |
9d308429 | 298 | void cfg80211_clear_ibss(struct net_device *dev, bool nowext); |
98d3a7ca JB |
299 | int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
300 | struct net_device *dev, bool nowext); | |
04a773ad | 301 | int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
9d308429 | 302 | struct net_device *dev, bool nowext); |
667503dd | 303 | void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid); |
fffd0934 JB |
304 | int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, |
305 | struct wireless_dev *wdev); | |
04a773ad | 306 | |
29cbe68c JB |
307 | /* mesh */ |
308 | extern const struct mesh_config default_mesh_config; | |
c80d545d | 309 | extern const struct mesh_setup default_mesh_setup; |
29cbe68c JB |
310 | int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, |
311 | struct net_device *dev, | |
c80d545d | 312 | const struct mesh_setup *setup, |
29cbe68c JB |
313 | const struct mesh_config *conf); |
314 | int cfg80211_join_mesh(struct cfg80211_registered_device *rdev, | |
315 | struct net_device *dev, | |
c80d545d | 316 | const struct mesh_setup *setup, |
29cbe68c JB |
317 | const struct mesh_config *conf); |
318 | int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, | |
319 | struct net_device *dev); | |
320 | ||
19957bb3 | 321 | /* MLME */ |
667503dd JB |
322 | int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, |
323 | struct net_device *dev, | |
324 | struct ieee80211_channel *chan, | |
325 | enum nl80211_auth_type auth_type, | |
326 | const u8 *bssid, | |
327 | const u8 *ssid, int ssid_len, | |
fffd0934 | 328 | const u8 *ie, int ie_len, |
d5cdfacb JM |
329 | const u8 *key, int key_len, int key_idx, |
330 | bool local_state_change); | |
19957bb3 JB |
331 | int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, |
332 | struct net_device *dev, struct ieee80211_channel *chan, | |
333 | enum nl80211_auth_type auth_type, const u8 *bssid, | |
334 | const u8 *ssid, int ssid_len, | |
fffd0934 | 335 | const u8 *ie, int ie_len, |
d5cdfacb JM |
336 | const u8 *key, int key_len, int key_idx, |
337 | bool local_state_change); | |
667503dd JB |
338 | int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
339 | struct net_device *dev, | |
340 | struct ieee80211_channel *chan, | |
341 | const u8 *bssid, const u8 *prev_bssid, | |
342 | const u8 *ssid, int ssid_len, | |
343 | const u8 *ie, int ie_len, bool use_mfp, | |
344 | struct cfg80211_crypto_settings *crypt); | |
19957bb3 JB |
345 | int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
346 | struct net_device *dev, struct ieee80211_channel *chan, | |
3e5d7649 JB |
347 | const u8 *bssid, const u8 *prev_bssid, |
348 | const u8 *ssid, int ssid_len, | |
19957bb3 JB |
349 | const u8 *ie, int ie_len, bool use_mfp, |
350 | struct cfg80211_crypto_settings *crypt); | |
667503dd JB |
351 | int __cfg80211_mlme_deauth(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 | 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); | |
667503dd JB |
365 | void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, |
366 | const u8 *req_ie, size_t req_ie_len, | |
367 | const u8 *resp_ie, size_t resp_ie_len, | |
df7fc0f9 JB |
368 | u16 status, bool wextev, |
369 | struct cfg80211_bss *bss); | |
2e161f78 JB |
370 | int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, |
371 | u16 frame_type, const u8 *match_data, | |
372 | int match_len); | |
373 | void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid); | |
374 | void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev); | |
375 | int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, | |
376 | struct net_device *dev, | |
f7ca38df | 377 | struct ieee80211_channel *chan, bool offchan, |
2e161f78 | 378 | enum nl80211_channel_type channel_type, |
f7ca38df | 379 | bool channel_type_valid, unsigned int wait, |
e9f935e3 | 380 | const u8 *buf, size_t len, bool no_cck, |
e247bd90 | 381 | bool dont_wait_for_ack, u64 *cookie); |
19957bb3 | 382 | |
b23aa676 | 383 | /* SME */ |
667503dd JB |
384 | int __cfg80211_connect(struct cfg80211_registered_device *rdev, |
385 | struct net_device *dev, | |
fffd0934 | 386 | struct cfg80211_connect_params *connect, |
f401a6f7 JB |
387 | struct cfg80211_cached_keys *connkeys, |
388 | const u8 *prev_bssid); | |
b23aa676 SO |
389 | int cfg80211_connect(struct cfg80211_registered_device *rdev, |
390 | struct net_device *dev, | |
fffd0934 JB |
391 | struct cfg80211_connect_params *connect, |
392 | struct cfg80211_cached_keys *connkeys); | |
667503dd JB |
393 | int __cfg80211_disconnect(struct cfg80211_registered_device *rdev, |
394 | struct net_device *dev, u16 reason, | |
395 | bool wextev); | |
b23aa676 | 396 | int cfg80211_disconnect(struct cfg80211_registered_device *rdev, |
f2129354 JB |
397 | struct net_device *dev, u16 reason, |
398 | bool wextev); | |
ed9d0102 JM |
399 | void __cfg80211_roamed(struct wireless_dev *wdev, |
400 | struct ieee80211_channel *channel, | |
401 | const u8 *bssid, | |
667503dd JB |
402 | const u8 *req_ie, size_t req_ie_len, |
403 | const u8 *resp_ie, size_t resp_ie_len); | |
fffd0934 JB |
404 | int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev, |
405 | struct wireless_dev *wdev); | |
b23aa676 | 406 | |
6829c878 | 407 | void cfg80211_conn_work(struct work_struct *work); |
7d930bc3 | 408 | void cfg80211_sme_failed_assoc(struct wireless_dev *wdev); |
f401a6f7 | 409 | bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev); |
6829c878 | 410 | |
08645126 | 411 | /* internal helpers */ |
38ba3c57 | 412 | bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher); |
fffd0934 JB |
413 | int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, |
414 | struct key_params *params, int key_idx, | |
e31b8213 | 415 | bool pairwise, const u8 *mac_addr); |
667503dd | 416 | void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, |
6829c878 JB |
417 | size_t ie_len, u16 reason, bool from_ap); |
418 | void cfg80211_sme_scan_done(struct net_device *dev); | |
419 | void cfg80211_sme_rx_auth(struct net_device *dev, const u8 *buf, size_t len); | |
19957bb3 | 420 | void cfg80211_sme_disassoc(struct net_device *dev, int idx); |
667503dd | 421 | void __cfg80211_scan_done(struct work_struct *wk); |
01a0ac41 | 422 | void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak); |
807f8a8c LC |
423 | void __cfg80211_sched_scan_results(struct work_struct *wk); |
424 | int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev, | |
425 | bool driver_initiated); | |
fffd0934 | 426 | void cfg80211_upload_connect_keys(struct wireless_dev *wdev); |
3d54d255 JB |
427 | int cfg80211_change_iface(struct cfg80211_registered_device *rdev, |
428 | struct net_device *dev, enum nl80211_iftype ntype, | |
429 | u32 *flags, struct vif_params *params); | |
430 | void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev); | |
08645126 | 431 | |
7527a782 JB |
432 | int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev, |
433 | struct wireless_dev *wdev, | |
434 | enum nl80211_iftype iftype); | |
435 | ||
436 | static inline int | |
437 | cfg80211_can_add_interface(struct cfg80211_registered_device *rdev, | |
438 | enum nl80211_iftype iftype) | |
439 | { | |
440 | return cfg80211_can_change_interface(rdev, NULL, iftype); | |
441 | } | |
442 | ||
9588bbd5 JM |
443 | struct ieee80211_channel * |
444 | rdev_freq_to_chan(struct cfg80211_registered_device *rdev, | |
445 | int freq, enum nl80211_channel_type channel_type); | |
f444de05 JB |
446 | int cfg80211_set_freq(struct cfg80211_registered_device *rdev, |
447 | struct wireless_dev *wdev, int freq, | |
448 | enum nl80211_channel_type channel_type); | |
59bbb6f7 | 449 | |
254416aa JL |
450 | u16 cfg80211_calculate_bitrate(struct rate_info *rate); |
451 | ||
34850ab2 JB |
452 | int ieee80211_get_ratemask(struct ieee80211_supported_band *sband, |
453 | const u8 *rates, unsigned int n_rates, | |
454 | u32 *mask); | |
455 | ||
56d1893d JB |
456 | int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev, |
457 | u32 beacon_int); | |
458 | ||
f7969969 JB |
459 | #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS |
460 | #define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond) | |
461 | #else | |
462 | /* | |
463 | * Trick to enable using it as a condition, | |
464 | * and also not give a warning when it's | |
465 | * not used that way. | |
466 | */ | |
467 | #define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; }) | |
468 | #endif | |
469 | ||
704232c2 | 470 | #endif /* __NET_WIRELESS_CORE_H */ |