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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 | |
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> | |
c5a7e582 | 16 | #include <linux/rtnetlink.h> |
704232c2 | 17 | #include <net/genetlink.h> |
704232c2 | 18 | #include <net/cfg80211.h> |
3f2355cb | 19 | #include "reg.h" |
704232c2 JB |
20 | |
21 | struct cfg80211_registered_device { | |
3dcf670b | 22 | const struct cfg80211_ops *ops; |
704232c2 JB |
23 | struct list_head list; |
24 | /* we hold this mutex during any call so that | |
25 | * we cannot do multiple calls at once, and also | |
26 | * to avoid the deregister call to proceed while | |
27 | * any call is in progress */ | |
28 | struct mutex mtx; | |
29 | ||
1f87f7d3 JB |
30 | /* rfkill support */ |
31 | struct rfkill_ops rfkill_ops; | |
32 | struct rfkill *rfkill; | |
33 | struct work_struct rfkill_sync; | |
34 | ||
3f2355cb LR |
35 | /* ISO / IEC 3166 alpha2 for which this device is receiving |
36 | * country IEs on, this can help disregard country IEs from APs | |
37 | * on the same alpha2 quickly. The alpha2 may differ from | |
38 | * cfg80211_regdomain's alpha2 when an intersection has occurred. | |
39 | * If the AP is reconfigured this can also be used to tell us if | |
40 | * the country on the country IE changed. */ | |
41 | char country_ie_alpha2[2]; | |
42 | ||
43 | /* If a Country IE has been received this tells us the environment | |
44 | * which its telling us its in. This defaults to ENVIRON_ANY */ | |
45 | enum environment_cap env; | |
46 | ||
704232c2 | 47 | /* wiphy index, internal only */ |
b5850a7a | 48 | int wiphy_idx; |
704232c2 | 49 | |
89a54e48 | 50 | /* associated wireless interfaces */ |
704232c2 | 51 | struct mutex devlist_mtx; |
5f2aa25e | 52 | /* protected by devlist_mtx or RCU */ |
89a54e48 JB |
53 | struct list_head wdev_list; |
54 | int devlist_generation, wdev_id; | |
ad002395 JB |
55 | int opencount; /* also protected by devlist_mtx */ |
56 | wait_queue_head_t dev_wait; | |
704232c2 | 57 | |
5e760230 JB |
58 | u32 ap_beacons_nlpid; |
59 | ||
c5a7e582 | 60 | /* protected by RTNL only */ |
dbbae26a MK |
61 | int num_running_ifaces; |
62 | int num_running_monitor_ifaces; | |
63 | ||
2a519311 JB |
64 | /* BSSes/scanning */ |
65 | spinlock_t bss_lock; | |
66 | struct list_head bss_list; | |
67 | struct rb_root bss_tree; | |
68 | u32 bss_generation; | |
69 | struct cfg80211_scan_request *scan_req; /* protected by RTNL */ | |
807f8a8c | 70 | struct cfg80211_sched_scan_request *sched_scan_req; |
cb3a8eec | 71 | unsigned long suspend_at; |
667503dd | 72 | struct work_struct scan_done_wk; |
807f8a8c | 73 | struct work_struct sched_scan_results_wk; |
2a519311 | 74 | |
c10841ca LC |
75 | struct mutex sched_scan_mtx; |
76 | ||
aff89a9b JB |
77 | #ifdef CONFIG_NL80211_TESTMODE |
78 | struct genl_info *testmode_info; | |
79 | #endif | |
80 | ||
6829c878 | 81 | struct work_struct conn_work; |
667503dd | 82 | struct work_struct event_work; |
6829c878 | 83 | |
ff1b6e69 JB |
84 | struct cfg80211_wowlan *wowlan; |
85 | ||
704232c2 JB |
86 | /* must be last because of the way we do wiphy_priv(), |
87 | * and it should at least be aligned to NETDEV_ALIGN */ | |
88 | struct wiphy wiphy __attribute__((__aligned__(NETDEV_ALIGN))); | |
89 | }; | |
90 | ||
91 | static inline | |
92 | struct cfg80211_registered_device *wiphy_to_dev(struct wiphy *wiphy) | |
93 | { | |
94 | BUG_ON(!wiphy); | |
95 | return container_of(wiphy, struct cfg80211_registered_device, wiphy); | |
96 | } | |
97 | ||
85fd129a LR |
98 | /* Note 0 is valid, hence phy0 */ |
99 | static inline | |
100 | bool wiphy_idx_valid(int wiphy_idx) | |
101 | { | |
a02cec21 | 102 | return wiphy_idx >= 0; |
85fd129a LR |
103 | } |
104 | ||
ff1b6e69 JB |
105 | static inline void |
106 | cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev) | |
107 | { | |
108 | int i; | |
109 | ||
110 | if (!rdev->wowlan) | |
111 | return; | |
112 | for (i = 0; i < rdev->wowlan->n_patterns; i++) | |
113 | kfree(rdev->wowlan->patterns[i].mask); | |
114 | kfree(rdev->wowlan->patterns); | |
115 | kfree(rdev->wowlan); | |
116 | } | |
e60d7443 AB |
117 | |
118 | extern struct workqueue_struct *cfg80211_wq; | |
a1794390 | 119 | extern struct mutex cfg80211_mutex; |
79c97e97 | 120 | extern struct list_head cfg80211_rdev_list; |
f5ea9120 | 121 | extern int cfg80211_rdev_list_generation; |
704232c2 | 122 | |
46a5ebaf JB |
123 | static inline void assert_cfg80211_lock(void) |
124 | { | |
125 | lockdep_assert_held(&cfg80211_mutex); | |
126 | } | |
761cf7ec | 127 | |
806a9e39 LR |
128 | /* |
129 | * You can use this to mark a wiphy_idx as not having an associated wiphy. | |
79c97e97 | 130 | * It guarantees cfg80211_rdev_by_wiphy_idx(wiphy_idx) will return NULL |
806a9e39 LR |
131 | */ |
132 | #define WIPHY_IDX_STALE -1 | |
133 | ||
2a519311 JB |
134 | struct cfg80211_internal_bss { |
135 | struct list_head list; | |
136 | struct rb_node rbn; | |
137 | unsigned long ts; | |
138 | struct kref ref; | |
19957bb3 | 139 | atomic_t hold; |
34a6eddb JM |
140 | bool beacon_ies_allocated; |
141 | bool proberesp_ies_allocated; | |
a08c1c1a | 142 | |
2a519311 JB |
143 | /* must be last because of priv member */ |
144 | struct cfg80211_bss pub; | |
145 | }; | |
146 | ||
19957bb3 JB |
147 | static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub) |
148 | { | |
149 | return container_of(pub, struct cfg80211_internal_bss, pub); | |
150 | } | |
151 | ||
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 | ||
79c97e97 | 167 | /* requires cfg80211_rdev_mutex to be held! */ |
806a9e39 LR |
168 | struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx); |
169 | ||
55682965 JB |
170 | /* identical to cfg80211_get_dev_from_info but only operate on ifindex */ |
171 | extern struct cfg80211_registered_device * | |
463d0183 JB |
172 | cfg80211_get_dev_from_ifindex(struct net *net, int ifindex); |
173 | ||
174 | int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, | |
175 | struct net *net); | |
55682965 | 176 | |
79c97e97 | 177 | static inline void cfg80211_lock_rdev(struct cfg80211_registered_device *rdev) |
667503dd | 178 | { |
79c97e97 | 179 | mutex_lock(&rdev->mtx); |
667503dd JB |
180 | } |
181 | ||
79c97e97 | 182 | static inline void cfg80211_unlock_rdev(struct cfg80211_registered_device *rdev) |
4d0c8aea | 183 | { |
79c97e97 JB |
184 | BUG_ON(IS_ERR(rdev) || !rdev); |
185 | mutex_unlock(&rdev->mtx); | |
4d0c8aea | 186 | } |
55682965 | 187 | |
667503dd JB |
188 | static inline void wdev_lock(struct wireless_dev *wdev) |
189 | __acquires(wdev) | |
190 | { | |
191 | mutex_lock(&wdev->mtx); | |
192 | __acquire(wdev->mtx); | |
193 | } | |
194 | ||
195 | static inline void wdev_unlock(struct wireless_dev *wdev) | |
196 | __releases(wdev) | |
197 | { | |
198 | __release(wdev->mtx); | |
199 | mutex_unlock(&wdev->mtx); | |
200 | } | |
201 | ||
46a5ebaf JB |
202 | #define ASSERT_RDEV_LOCK(rdev) lockdep_assert_held(&(rdev)->mtx) |
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, | |
218 | }; | |
219 | ||
220 | struct cfg80211_event { | |
221 | struct list_head list; | |
222 | enum cfg80211_event_type type; | |
223 | ||
224 | union { | |
225 | struct { | |
226 | u8 bssid[ETH_ALEN]; | |
227 | const u8 *req_ie; | |
228 | const u8 *resp_ie; | |
229 | size_t req_ie_len; | |
230 | size_t resp_ie_len; | |
231 | u16 status; | |
232 | } cr; | |
233 | struct { | |
667503dd JB |
234 | const u8 *req_ie; |
235 | const u8 *resp_ie; | |
236 | size_t req_ie_len; | |
237 | size_t resp_ie_len; | |
adbde344 | 238 | struct cfg80211_bss *bss; |
667503dd JB |
239 | } rm; |
240 | struct { | |
241 | const u8 *ie; | |
242 | size_t ie_len; | |
243 | u16 reason; | |
244 | } dc; | |
245 | struct { | |
246 | u8 bssid[ETH_ALEN]; | |
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 | ||
667503dd | 263 | |
704232c2 | 264 | /* free object */ |
79c97e97 | 265 | extern void cfg80211_dev_free(struct cfg80211_registered_device *rdev); |
704232c2 | 266 | |
79c97e97 | 267 | extern int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, |
55682965 JB |
268 | char *newname); |
269 | ||
8318d78a | 270 | void ieee80211_set_bitrate_flags(struct wiphy *wiphy); |
8318d78a | 271 | |
2a519311 | 272 | void cfg80211_bss_expire(struct cfg80211_registered_device *dev); |
cb3a8eec DW |
273 | void cfg80211_bss_age(struct cfg80211_registered_device *dev, |
274 | unsigned long age_secs); | |
2a519311 | 275 | |
04a773ad | 276 | /* IBSS */ |
667503dd JB |
277 | int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, |
278 | struct net_device *dev, | |
fffd0934 JB |
279 | struct cfg80211_ibss_params *params, |
280 | struct cfg80211_cached_keys *connkeys); | |
04a773ad JB |
281 | int cfg80211_join_ibss(struct cfg80211_registered_device *rdev, |
282 | struct net_device *dev, | |
fffd0934 JB |
283 | struct cfg80211_ibss_params *params, |
284 | struct cfg80211_cached_keys *connkeys); | |
9d308429 | 285 | void cfg80211_clear_ibss(struct net_device *dev, bool nowext); |
98d3a7ca JB |
286 | int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
287 | struct net_device *dev, bool nowext); | |
04a773ad | 288 | int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
9d308429 | 289 | struct net_device *dev, bool nowext); |
667503dd | 290 | void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid); |
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 JB |
304 | const struct mesh_config *conf); |
305 | int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, | |
306 | struct net_device *dev); | |
cc1d2806 JB |
307 | int cfg80211_set_mesh_freq(struct cfg80211_registered_device *rdev, |
308 | struct wireless_dev *wdev, int freq, | |
309 | enum nl80211_channel_type channel_type); | |
29cbe68c | 310 | |
60771780 MK |
311 | /* AP */ |
312 | int cfg80211_stop_ap(struct cfg80211_registered_device *rdev, | |
313 | struct net_device *dev); | |
314 | ||
19957bb3 | 315 | /* MLME */ |
667503dd JB |
316 | int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, |
317 | struct net_device *dev, | |
318 | struct ieee80211_channel *chan, | |
319 | enum nl80211_auth_type auth_type, | |
320 | const u8 *bssid, | |
321 | const u8 *ssid, int ssid_len, | |
fffd0934 | 322 | const u8 *ie, int ie_len, |
95de817b | 323 | const u8 *key, int key_len, int key_idx); |
19957bb3 JB |
324 | int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, |
325 | struct net_device *dev, struct ieee80211_channel *chan, | |
326 | enum nl80211_auth_type auth_type, const u8 *bssid, | |
327 | const u8 *ssid, int ssid_len, | |
fffd0934 | 328 | const u8 *ie, int ie_len, |
95de817b | 329 | const u8 *key, int key_len, int key_idx); |
667503dd JB |
330 | int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
331 | struct net_device *dev, | |
332 | struct ieee80211_channel *chan, | |
333 | const u8 *bssid, const u8 *prev_bssid, | |
334 | const u8 *ssid, int ssid_len, | |
335 | const u8 *ie, int ie_len, bool use_mfp, | |
7e7c8926 BG |
336 | struct cfg80211_crypto_settings *crypt, |
337 | u32 assoc_flags, struct ieee80211_ht_cap *ht_capa, | |
338 | struct ieee80211_ht_cap *ht_capa_mask); | |
19957bb3 JB |
339 | int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
340 | struct net_device *dev, struct ieee80211_channel *chan, | |
3e5d7649 JB |
341 | const u8 *bssid, const u8 *prev_bssid, |
342 | const u8 *ssid, int ssid_len, | |
19957bb3 | 343 | const u8 *ie, int ie_len, bool use_mfp, |
7e7c8926 BG |
344 | struct cfg80211_crypto_settings *crypt, |
345 | u32 assoc_flags, struct ieee80211_ht_cap *ht_capa, | |
346 | struct ieee80211_ht_cap *ht_capa_mask); | |
667503dd 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_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_disassoc(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 | void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, |
360 | struct net_device *dev); | |
667503dd JB |
361 | void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, |
362 | const u8 *req_ie, size_t req_ie_len, | |
363 | const u8 *resp_ie, size_t resp_ie_len, | |
df7fc0f9 JB |
364 | u16 status, bool wextev, |
365 | struct cfg80211_bss *bss); | |
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); | |
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, |
f7ca38df | 373 | struct ieee80211_channel *chan, bool offchan, |
2e161f78 | 374 | enum nl80211_channel_type channel_type, |
f7ca38df | 375 | bool channel_type_valid, unsigned int wait, |
e9f935e3 | 376 | const u8 *buf, size_t len, bool no_cck, |
e247bd90 | 377 | bool dont_wait_for_ack, u64 *cookie); |
7e7c8926 BG |
378 | void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa, |
379 | const struct ieee80211_ht_cap *ht_capa_mask); | |
19957bb3 | 380 | |
b23aa676 | 381 | /* SME */ |
667503dd JB |
382 | int __cfg80211_connect(struct cfg80211_registered_device *rdev, |
383 | struct net_device *dev, | |
fffd0934 | 384 | struct cfg80211_connect_params *connect, |
f401a6f7 JB |
385 | struct cfg80211_cached_keys *connkeys, |
386 | const u8 *prev_bssid); | |
b23aa676 SO |
387 | int cfg80211_connect(struct cfg80211_registered_device *rdev, |
388 | struct net_device *dev, | |
fffd0934 JB |
389 | struct cfg80211_connect_params *connect, |
390 | struct cfg80211_cached_keys *connkeys); | |
667503dd JB |
391 | int __cfg80211_disconnect(struct cfg80211_registered_device *rdev, |
392 | struct net_device *dev, u16 reason, | |
393 | bool wextev); | |
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 | |
6829c878 | 404 | void cfg80211_conn_work(struct work_struct *work); |
7d930bc3 | 405 | void cfg80211_sme_failed_assoc(struct wireless_dev *wdev); |
f401a6f7 | 406 | bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev); |
6829c878 | 407 | |
08645126 | 408 | /* internal helpers */ |
38ba3c57 | 409 | bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher); |
fffd0934 JB |
410 | int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, |
411 | struct key_params *params, int key_idx, | |
e31b8213 | 412 | bool pairwise, const u8 *mac_addr); |
667503dd | 413 | void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, |
6829c878 JB |
414 | size_t ie_len, u16 reason, bool from_ap); |
415 | void cfg80211_sme_scan_done(struct net_device *dev); | |
416 | void cfg80211_sme_rx_auth(struct net_device *dev, const u8 *buf, size_t len); | |
95de817b JB |
417 | void cfg80211_sme_disassoc(struct net_device *dev, |
418 | struct cfg80211_internal_bss *bss); | |
667503dd | 419 | void __cfg80211_scan_done(struct work_struct *wk); |
01a0ac41 | 420 | void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak); |
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 | |
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 | 463 | void |
8e95ea49 | 464 | cfg80211_get_chan_state(struct wireless_dev *wdev, |
26ab9a0c MK |
465 | struct ieee80211_channel **chan, |
466 | enum cfg80211_chan_mode *chanmode); | |
467 | ||
9588bbd5 JM |
468 | struct ieee80211_channel * |
469 | rdev_freq_to_chan(struct cfg80211_registered_device *rdev, | |
470 | int freq, enum nl80211_channel_type channel_type); | |
e8c9bd5b JB |
471 | int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, |
472 | int freq, enum nl80211_channel_type chantype); | |
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 | ||
d4e50c59 MK |
484 | #define CFG80211_MAX_NUM_DIFFERENT_CHANNELS 10 |
485 | ||
f7969969 JB |
486 | #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS |
487 | #define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond) | |
488 | #else | |
489 | /* | |
490 | * Trick to enable using it as a condition, | |
491 | * and also not give a warning when it's | |
492 | * not used that way. | |
493 | */ | |
494 | #define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; }) | |
495 | #endif | |
496 | ||
704232c2 | 497 | #endif /* __NET_WIRELESS_CORE_H */ |