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 | ||
39 | /* If a Country IE has been received this tells us the environment | |
40 | * which its telling us its in. This defaults to ENVIRON_ANY */ | |
41 | enum environment_cap env; | |
42 | ||
704232c2 | 43 | /* wiphy index, internal only */ |
b5850a7a | 44 | int wiphy_idx; |
704232c2 | 45 | |
5fe231e8 | 46 | /* associated wireless interfaces, protected by rtnl or RCU */ |
89a54e48 JB |
47 | struct list_head wdev_list; |
48 | int devlist_generation, wdev_id; | |
ad002395 JB |
49 | int opencount; /* also protected by devlist_mtx */ |
50 | wait_queue_head_t dev_wait; | |
704232c2 | 51 | |
37c73b5f BG |
52 | struct list_head beacon_registrations; |
53 | spinlock_t beacon_registrations_lock; | |
5e760230 | 54 | |
c5a7e582 | 55 | /* protected by RTNL only */ |
dbbae26a MK |
56 | int num_running_ifaces; |
57 | int num_running_monitor_ifaces; | |
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 */ | |
f9d15d16 | 65 | struct sk_buff *scan_msg; |
807f8a8c | 66 | struct cfg80211_sched_scan_request *sched_scan_req; |
cb3a8eec | 67 | unsigned long suspend_at; |
667503dd | 68 | struct work_struct scan_done_wk; |
807f8a8c | 69 | struct work_struct sched_scan_results_wk; |
2a519311 | 70 | |
ad7e718c | 71 | struct genl_info *cur_cmd_info; |
aff89a9b | 72 | |
6829c878 | 73 | struct work_struct conn_work; |
667503dd | 74 | struct work_struct event_work; |
6829c878 | 75 | |
04f39047 SW |
76 | struct delayed_work dfs_update_channels_wk; |
77 | ||
5de17984 AS |
78 | /* netlink port which started critical protocol (0 means not started) */ |
79 | u32 crit_proto_nlportid; | |
80 | ||
be29b99a AK |
81 | struct cfg80211_coalesce *coalesce; |
82 | ||
78f22b6a JB |
83 | spinlock_t destroy_list_lock; |
84 | struct list_head destroy_list; | |
85 | struct work_struct destroy_work; | |
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 */ | |
1c06ef98 | 89 | struct wiphy wiphy __aligned(NETDEV_ALIGN); |
704232c2 JB |
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 | ||
ff1b6e69 JB |
99 | static inline void |
100 | cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev) | |
101 | { | |
6abb9cb9 | 102 | #ifdef CONFIG_PM |
ff1b6e69 JB |
103 | int i; |
104 | ||
6abb9cb9 | 105 | if (!rdev->wiphy.wowlan_config) |
ff1b6e69 | 106 | return; |
6abb9cb9 JB |
107 | for (i = 0; i < rdev->wiphy.wowlan_config->n_patterns; i++) |
108 | kfree(rdev->wiphy.wowlan_config->patterns[i].mask); | |
109 | kfree(rdev->wiphy.wowlan_config->patterns); | |
110 | if (rdev->wiphy.wowlan_config->tcp && | |
111 | rdev->wiphy.wowlan_config->tcp->sock) | |
112 | sock_release(rdev->wiphy.wowlan_config->tcp->sock); | |
113 | kfree(rdev->wiphy.wowlan_config->tcp); | |
114 | kfree(rdev->wiphy.wowlan_config); | |
115 | #endif | |
ff1b6e69 | 116 | } |
e60d7443 AB |
117 | |
118 | extern struct workqueue_struct *cfg80211_wq; | |
79c97e97 | 119 | extern struct list_head cfg80211_rdev_list; |
f5ea9120 | 120 | extern int cfg80211_rdev_list_generation; |
704232c2 | 121 | |
2a519311 JB |
122 | struct cfg80211_internal_bss { |
123 | struct list_head list; | |
776b3580 | 124 | struct list_head hidden_list; |
2a519311 JB |
125 | struct rb_node rbn; |
126 | unsigned long ts; | |
776b3580 | 127 | unsigned long refcount; |
19957bb3 | 128 | atomic_t hold; |
a08c1c1a | 129 | |
2a519311 JB |
130 | /* must be last because of priv member */ |
131 | struct cfg80211_bss pub; | |
132 | }; | |
133 | ||
19957bb3 JB |
134 | static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub) |
135 | { | |
136 | return container_of(pub, struct cfg80211_internal_bss, pub); | |
137 | } | |
138 | ||
139 | static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss) | |
140 | { | |
141 | atomic_inc(&bss->hold); | |
142 | } | |
143 | ||
144 | static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss) | |
145 | { | |
146 | int r = atomic_dec_return(&bss->hold); | |
147 | WARN_ON(r < 0); | |
148 | } | |
149 | ||
150 | ||
79c97e97 | 151 | struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx); |
806a9e39 LR |
152 | int get_wiphy_idx(struct wiphy *wiphy); |
153 | ||
806a9e39 LR |
154 | struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx); |
155 | ||
463d0183 JB |
156 | int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, |
157 | struct net *net); | |
55682965 | 158 | |
667503dd JB |
159 | static inline void wdev_lock(struct wireless_dev *wdev) |
160 | __acquires(wdev) | |
161 | { | |
162 | mutex_lock(&wdev->mtx); | |
163 | __acquire(wdev->mtx); | |
164 | } | |
165 | ||
166 | static inline void wdev_unlock(struct wireless_dev *wdev) | |
167 | __releases(wdev) | |
168 | { | |
169 | __release(wdev->mtx); | |
170 | mutex_unlock(&wdev->mtx); | |
171 | } | |
172 | ||
46a5ebaf | 173 | #define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx) |
667503dd | 174 | |
dbbae26a MK |
175 | static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev) |
176 | { | |
c5a7e582 | 177 | ASSERT_RTNL(); |
dbbae26a MK |
178 | |
179 | return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces && | |
180 | rdev->num_running_ifaces > 0; | |
181 | } | |
182 | ||
667503dd JB |
183 | enum cfg80211_event_type { |
184 | EVENT_CONNECT_RESULT, | |
185 | EVENT_ROAMED, | |
186 | EVENT_DISCONNECTED, | |
187 | EVENT_IBSS_JOINED, | |
188 | }; | |
189 | ||
190 | struct cfg80211_event { | |
191 | struct list_head list; | |
192 | enum cfg80211_event_type type; | |
193 | ||
194 | union { | |
195 | struct { | |
196 | u8 bssid[ETH_ALEN]; | |
197 | const u8 *req_ie; | |
198 | const u8 *resp_ie; | |
199 | size_t req_ie_len; | |
200 | size_t resp_ie_len; | |
201 | u16 status; | |
202 | } cr; | |
203 | struct { | |
667503dd JB |
204 | const u8 *req_ie; |
205 | const u8 *resp_ie; | |
206 | size_t req_ie_len; | |
207 | size_t resp_ie_len; | |
adbde344 | 208 | struct cfg80211_bss *bss; |
667503dd JB |
209 | } rm; |
210 | struct { | |
211 | const u8 *ie; | |
212 | size_t ie_len; | |
213 | u16 reason; | |
214 | } dc; | |
215 | struct { | |
216 | u8 bssid[ETH_ALEN]; | |
fe94f3a4 | 217 | struct ieee80211_channel *channel; |
667503dd JB |
218 | } ij; |
219 | }; | |
220 | }; | |
221 | ||
fffd0934 JB |
222 | struct cfg80211_cached_keys { |
223 | struct key_params params[6]; | |
224 | u8 data[6][WLAN_MAX_KEY_LEN]; | |
225 | int def, defmgmt; | |
226 | }; | |
227 | ||
26ab9a0c MK |
228 | enum cfg80211_chan_mode { |
229 | CHAN_MODE_UNDEFINED, | |
230 | CHAN_MODE_SHARED, | |
231 | CHAN_MODE_EXCLUSIVE, | |
232 | }; | |
233 | ||
37c73b5f BG |
234 | struct cfg80211_beacon_registration { |
235 | struct list_head list; | |
236 | u32 nlportid; | |
237 | }; | |
667503dd | 238 | |
78f22b6a JB |
239 | struct cfg80211_iface_destroy { |
240 | struct list_head list; | |
241 | u32 nlportid; | |
242 | }; | |
243 | ||
244 | void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev); | |
245 | ||
704232c2 | 246 | /* free object */ |
c1b1203d | 247 | void cfg80211_dev_free(struct cfg80211_registered_device *rdev); |
704232c2 | 248 | |
c1b1203d JP |
249 | int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, |
250 | char *newname); | |
55682965 | 251 | |
8318d78a | 252 | void ieee80211_set_bitrate_flags(struct wiphy *wiphy); |
8318d78a | 253 | |
2a519311 | 254 | void cfg80211_bss_expire(struct cfg80211_registered_device *dev); |
cb3a8eec DW |
255 | void cfg80211_bss_age(struct cfg80211_registered_device *dev, |
256 | unsigned long age_secs); | |
2a519311 | 257 | |
04a773ad JB |
258 | /* IBSS */ |
259 | int cfg80211_join_ibss(struct cfg80211_registered_device *rdev, | |
260 | struct net_device *dev, | |
fffd0934 JB |
261 | struct cfg80211_ibss_params *params, |
262 | struct cfg80211_cached_keys *connkeys); | |
9d308429 | 263 | void cfg80211_clear_ibss(struct net_device *dev, bool nowext); |
98d3a7ca JB |
264 | int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
265 | struct net_device *dev, bool nowext); | |
04a773ad | 266 | int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
9d308429 | 267 | struct net_device *dev, bool nowext); |
fe94f3a4 AQ |
268 | void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, |
269 | struct ieee80211_channel *channel); | |
fffd0934 JB |
270 | int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, |
271 | struct wireless_dev *wdev); | |
04a773ad | 272 | |
29cbe68c JB |
273 | /* mesh */ |
274 | extern const struct mesh_config default_mesh_config; | |
c80d545d | 275 | extern const struct mesh_setup default_mesh_setup; |
29cbe68c JB |
276 | int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, |
277 | struct net_device *dev, | |
cc1d2806 | 278 | struct mesh_setup *setup, |
29cbe68c JB |
279 | const struct mesh_config *conf); |
280 | int cfg80211_join_mesh(struct cfg80211_registered_device *rdev, | |
281 | struct net_device *dev, | |
cc1d2806 | 282 | struct mesh_setup *setup, |
29cbe68c JB |
283 | const struct mesh_config *conf); |
284 | int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, | |
285 | struct net_device *dev); | |
683b6d3b JB |
286 | int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev, |
287 | struct wireless_dev *wdev, | |
288 | struct cfg80211_chan_def *chandef); | |
29cbe68c | 289 | |
60771780 MK |
290 | /* AP */ |
291 | int cfg80211_stop_ap(struct cfg80211_registered_device *rdev, | |
7c8d5e03 | 292 | struct net_device *dev, bool notify); |
60771780 | 293 | |
19957bb3 JB |
294 | /* MLME */ |
295 | int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, | |
91bf9b26 JB |
296 | struct net_device *dev, |
297 | struct ieee80211_channel *chan, | |
298 | enum nl80211_auth_type auth_type, | |
299 | const u8 *bssid, | |
19957bb3 | 300 | const u8 *ssid, int ssid_len, |
fffd0934 | 301 | const u8 *ie, int ie_len, |
e39e5b5e JM |
302 | const u8 *key, int key_len, int key_idx, |
303 | const u8 *sae_data, int sae_data_len); | |
19957bb3 | 304 | int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
f62fab73 JB |
305 | struct net_device *dev, |
306 | struct ieee80211_channel *chan, | |
307 | const u8 *bssid, | |
3e5d7649 | 308 | const u8 *ssid, int ssid_len, |
f62fab73 | 309 | struct cfg80211_assoc_request *req); |
19957bb3 JB |
310 | int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, |
311 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
312 | const u8 *ie, int ie_len, u16 reason, |
313 | bool local_state_change); | |
19957bb3 JB |
314 | int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, |
315 | struct net_device *dev, const u8 *bssid, | |
d5cdfacb JM |
316 | const u8 *ie, int ie_len, u16 reason, |
317 | bool local_state_change); | |
19957bb3 JB |
318 | void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, |
319 | struct net_device *dev); | |
2e161f78 JB |
320 | int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, |
321 | u16 frame_type, const u8 *match_data, | |
322 | int match_len); | |
323 | void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid); | |
324 | void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev); | |
325 | int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, | |
71bbc994 | 326 | struct wireless_dev *wdev, |
b176e629 AO |
327 | struct cfg80211_mgmt_tx_params *params, |
328 | u64 *cookie); | |
7e7c8926 BG |
329 | void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa, |
330 | const struct ieee80211_ht_cap *ht_capa_mask); | |
ee2aca34 JB |
331 | void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa, |
332 | const struct ieee80211_vht_cap *vht_capa_mask); | |
19957bb3 | 333 | |
ceca7b71 | 334 | /* SME events */ |
b23aa676 SO |
335 | int cfg80211_connect(struct cfg80211_registered_device *rdev, |
336 | struct net_device *dev, | |
fffd0934 | 337 | struct cfg80211_connect_params *connect, |
83739b03 JB |
338 | struct cfg80211_cached_keys *connkeys, |
339 | const u8 *prev_bssid); | |
ceca7b71 JB |
340 | void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, |
341 | const u8 *req_ie, size_t req_ie_len, | |
342 | const u8 *resp_ie, size_t resp_ie_len, | |
343 | u16 status, bool wextev, | |
344 | struct cfg80211_bss *bss); | |
345 | void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, | |
346 | size_t ie_len, u16 reason, bool from_ap); | |
b23aa676 | 347 | int cfg80211_disconnect(struct cfg80211_registered_device *rdev, |
f2129354 JB |
348 | struct net_device *dev, u16 reason, |
349 | bool wextev); | |
ed9d0102 | 350 | void __cfg80211_roamed(struct wireless_dev *wdev, |
adbde344 | 351 | struct cfg80211_bss *bss, |
667503dd JB |
352 | const u8 *req_ie, size_t req_ie_len, |
353 | const u8 *resp_ie, size_t resp_ie_len); | |
fffd0934 JB |
354 | int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev, |
355 | struct wireless_dev *wdev); | |
b23aa676 | 356 | |
ceca7b71 | 357 | /* SME implementation */ |
6829c878 | 358 | void cfg80211_conn_work(struct work_struct *work); |
ceca7b71 JB |
359 | void cfg80211_sme_scan_done(struct net_device *dev); |
360 | bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status); | |
361 | void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len); | |
362 | void cfg80211_sme_disassoc(struct wireless_dev *wdev); | |
363 | void cfg80211_sme_deauth(struct wireless_dev *wdev); | |
364 | void cfg80211_sme_auth_timeout(struct wireless_dev *wdev); | |
365 | void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev); | |
6829c878 | 366 | |
08645126 | 367 | /* internal helpers */ |
38ba3c57 | 368 | bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher); |
fffd0934 JB |
369 | int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, |
370 | struct key_params *params, int key_idx, | |
e31b8213 | 371 | bool pairwise, const u8 *mac_addr); |
667503dd | 372 | void __cfg80211_scan_done(struct work_struct *wk); |
f9d15d16 JB |
373 | void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, |
374 | bool send_message); | |
807f8a8c LC |
375 | void __cfg80211_sched_scan_results(struct work_struct *wk); |
376 | int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev, | |
377 | bool driver_initiated); | |
fffd0934 | 378 | void cfg80211_upload_connect_keys(struct wireless_dev *wdev); |
3d54d255 JB |
379 | int cfg80211_change_iface(struct cfg80211_registered_device *rdev, |
380 | struct net_device *dev, enum nl80211_iftype ntype, | |
381 | u32 *flags, struct vif_params *params); | |
382 | void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev); | |
1f6fc43e | 383 | void cfg80211_process_wdev_events(struct wireless_dev *wdev); |
08645126 | 384 | |
d4e50c59 MK |
385 | int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev, |
386 | struct wireless_dev *wdev, | |
387 | enum nl80211_iftype iftype, | |
388 | struct ieee80211_channel *chan, | |
11c4a075 SW |
389 | enum cfg80211_chan_mode chanmode, |
390 | u8 radar_detect); | |
d4e50c59 | 391 | |
fe7c3a1f JD |
392 | /** |
393 | * cfg80211_chandef_dfs_usable - checks if chandef is DFS usable | |
394 | * @wiphy: the wiphy to validate against | |
395 | * @chandef: the channel definition to check | |
396 | * | |
397 | * Checks if chandef is usable and we can/need start CAC on such channel. | |
398 | * | |
399 | * Return: Return true if all channels available and at least | |
400 | * one channel require CAC (NL80211_DFS_USABLE) | |
401 | */ | |
402 | bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy, | |
403 | const struct cfg80211_chan_def *chandef); | |
404 | ||
04f39047 SW |
405 | void cfg80211_set_dfs_state(struct wiphy *wiphy, |
406 | const struct cfg80211_chan_def *chandef, | |
407 | enum nl80211_dfs_state dfs_state); | |
408 | ||
409 | void cfg80211_dfs_channels_update_work(struct work_struct *work); | |
410 | ||
31559f35 JD |
411 | unsigned int |
412 | cfg80211_chandef_dfs_cac_time(struct wiphy *wiphy, | |
413 | const struct cfg80211_chan_def *chandef); | |
04f39047 | 414 | |
04f39047 SW |
415 | static inline unsigned int elapsed_jiffies_msecs(unsigned long start) |
416 | { | |
417 | unsigned long end = jiffies; | |
418 | ||
419 | if (end >= start) | |
420 | return jiffies_to_msecs(end - start); | |
421 | ||
422 | return jiffies_to_msecs(end + (MAX_JIFFY_OFFSET - start) + 1); | |
423 | } | |
424 | ||
26ab9a0c | 425 | void |
8e95ea49 | 426 | cfg80211_get_chan_state(struct wireless_dev *wdev, |
26ab9a0c | 427 | struct ieee80211_channel **chan, |
9e0e2961 MK |
428 | enum cfg80211_chan_mode *chanmode, |
429 | u8 *radar_detect); | |
26ab9a0c | 430 | |
e8c9bd5b | 431 | int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, |
683b6d3b | 432 | struct cfg80211_chan_def *chandef); |
59bbb6f7 | 433 | |
34850ab2 JB |
434 | int ieee80211_get_ratemask(struct ieee80211_supported_band *sband, |
435 | const u8 *rates, unsigned int n_rates, | |
436 | u32 *mask); | |
437 | ||
56d1893d JB |
438 | int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev, |
439 | u32 beacon_int); | |
440 | ||
dbbae26a MK |
441 | void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev, |
442 | enum nl80211_iftype iftype, int num); | |
443 | ||
81256969 SG |
444 | void cfg80211_leave(struct cfg80211_registered_device *rdev, |
445 | struct wireless_dev *wdev); | |
446 | ||
f9f47529 JB |
447 | void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev, |
448 | struct wireless_dev *wdev); | |
449 | ||
d4e50c59 MK |
450 | #define CFG80211_MAX_NUM_DIFFERENT_CHANNELS 10 |
451 | ||
f7969969 JB |
452 | #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS |
453 | #define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond) | |
454 | #else | |
455 | /* | |
456 | * Trick to enable using it as a condition, | |
457 | * and also not give a warning when it's | |
458 | * not used that way. | |
459 | */ | |
460 | #define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; }) | |
461 | #endif | |
462 | ||
704232c2 | 463 | #endif /* __NET_WIRELESS_CORE_H */ |