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Johannes Berg704232c2007-04-23 12:20:05 -07001/*
2 * Wireless configuration interface internals.
3 *
Johannes Berg5f2aa252010-01-17 15:49:02 +01004 * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net>
Johannes Berg704232c2007-04-23 12:20:05 -07005 */
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>
Johannes Berg2a519312009-02-10 21:25:55 +010011#include <linux/kref.h>
12#include <linux/rbtree.h>
Luis R. Rodriguez1ac61302009-05-02 00:37:21 -040013#include <linux/debugfs.h>
Johannes Berg1f87f7d2009-06-02 13:01:41 +020014#include <linux/rfkill.h>
15#include <linux/workqueue.h>
Johannes Berg704232c2007-04-23 12:20:05 -070016#include <net/genetlink.h>
Johannes Berg704232c2007-04-23 12:20:05 -070017#include <net/cfg80211.h>
Luis R. Rodriguez3f2355c2008-11-12 14:22:02 -080018#include "reg.h"
Johannes Berg704232c2007-04-23 12:20:05 -070019
20struct cfg80211_registered_device {
David Kilroy3dcf6702009-05-16 23:13:46 +010021 const struct cfg80211_ops *ops;
Johannes Berg704232c2007-04-23 12:20:05 -070022 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
Johannes Berg1f87f7d2009-06-02 13:01:41 +020029 /* rfkill support */
30 struct rfkill_ops rfkill_ops;
31 struct rfkill *rfkill;
32 struct work_struct rfkill_sync;
33
Luis R. Rodriguez3f2355c2008-11-12 14:22:02 -080034 /* 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
Johannes Berg704232c2007-04-23 12:20:05 -070046 /* wiphy index, internal only */
Luis R. Rodriguezb5850a72009-02-21 00:04:19 -050047 int wiphy_idx;
Johannes Berg704232c2007-04-23 12:20:05 -070048
49 /* associate netdev list */
50 struct mutex devlist_mtx;
Johannes Berg5f2aa252010-01-17 15:49:02 +010051 /* protected by devlist_mtx or RCU */
Johannes Berg704232c2007-04-23 12:20:05 -070052 struct list_head netdev_list;
Johannes Bergf5ea9122009-08-07 16:17:38 +020053 int devlist_generation;
Johannes Bergad002392009-08-18 19:51:57 +020054 int opencount; /* also protected by devlist_mtx */
55 wait_queue_head_t dev_wait;
Johannes Berg704232c2007-04-23 12:20:05 -070056
Johannes Berg2a519312009-02-10 21:25:55 +010057 /* BSSes/scanning */
58 spinlock_t bss_lock;
59 struct list_head bss_list;
60 struct rb_root bss_tree;
61 u32 bss_generation;
62 struct cfg80211_scan_request *scan_req; /* protected by RTNL */
Dan Williamscb3a8ee2009-02-11 17:14:43 -050063 unsigned long suspend_at;
Johannes Berg667503dd2009-07-07 03:56:11 +020064 struct work_struct scan_done_wk;
Johannes Berg2a519312009-02-10 21:25:55 +010065
Johannes Bergaff89a92009-07-01 21:26:51 +020066#ifdef CONFIG_NL80211_TESTMODE
67 struct genl_info *testmode_info;
68#endif
69
Johannes Berg6829c872009-07-02 09:13:27 +020070 struct work_struct conn_work;
Johannes Berg667503dd2009-07-07 03:56:11 +020071 struct work_struct event_work;
Johannes Berg6829c872009-07-02 09:13:27 +020072
Johannes Berg704232c2007-04-23 12:20:05 -070073 /* must be last because of the way we do wiphy_priv(),
74 * and it should at least be aligned to NETDEV_ALIGN */
75 struct wiphy wiphy __attribute__((__aligned__(NETDEV_ALIGN)));
76};
77
78static inline
79struct cfg80211_registered_device *wiphy_to_dev(struct wiphy *wiphy)
80{
81 BUG_ON(!wiphy);
82 return container_of(wiphy, struct cfg80211_registered_device, wiphy);
83}
84
Luis R. Rodriguez85fd1292009-02-21 00:04:20 -050085/* Note 0 is valid, hence phy0 */
86static inline
87bool wiphy_idx_valid(int wiphy_idx)
88{
89 return (wiphy_idx >= 0);
90}
91
Alban Browaeyse60d7442009-11-25 15:13:00 +010092
93extern struct workqueue_struct *cfg80211_wq;
Luis R. Rodrigueza1794392009-02-21 00:04:21 -050094extern struct mutex cfg80211_mutex;
Johannes Berg79c97e92009-07-07 03:56:12 +020095extern struct list_head cfg80211_rdev_list;
Johannes Bergf5ea9122009-08-07 16:17:38 +020096extern int cfg80211_rdev_list_generation;
Johannes Berg704232c2007-04-23 12:20:05 -070097
Johannes Berg7edfab72009-04-11 13:32:46 +020098#define assert_cfg80211_lock() WARN_ON(!mutex_is_locked(&cfg80211_mutex))
Luis R. Rodriguez761cf7e2009-02-21 00:04:25 -050099
Luis R. Rodriguez806a9e32009-02-21 00:04:26 -0500100/*
101 * You can use this to mark a wiphy_idx as not having an associated wiphy.
Johannes Berg79c97e92009-07-07 03:56:12 +0200102 * It guarantees cfg80211_rdev_by_wiphy_idx(wiphy_idx) will return NULL
Luis R. Rodriguez806a9e32009-02-21 00:04:26 -0500103 */
104#define WIPHY_IDX_STALE -1
105
Johannes Berg2a519312009-02-10 21:25:55 +0100106struct cfg80211_internal_bss {
107 struct list_head list;
108 struct rb_node rbn;
109 unsigned long ts;
110 struct kref ref;
Johannes Berg19957bb2009-07-02 17:20:43 +0200111 atomic_t hold;
Jouni Malinen34a6edd2010-01-06 16:19:24 +0200112 bool beacon_ies_allocated;
113 bool proberesp_ies_allocated;
Kalle Valoa08c1c12009-03-22 21:57:28 +0200114
Johannes Berg2a519312009-02-10 21:25:55 +0100115 /* must be last because of priv member */
116 struct cfg80211_bss pub;
117};
118
Johannes Berg19957bb2009-07-02 17:20:43 +0200119static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub)
120{
121 return container_of(pub, struct cfg80211_internal_bss, pub);
122}
123
Johannes Bergdf7fc0f2009-07-29 11:23:49 +0200124static inline void cfg80211_ref_bss(struct cfg80211_internal_bss *bss)
125{
126 kref_get(&bss->ref);
127}
128
Johannes Berg19957bb2009-07-02 17:20:43 +0200129static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss)
130{
131 atomic_inc(&bss->hold);
132}
133
134static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss)
135{
136 int r = atomic_dec_return(&bss->hold);
137 WARN_ON(r < 0);
138}
139
140
Johannes Berg79c97e92009-07-07 03:56:12 +0200141struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx);
Luis R. Rodriguez806a9e32009-02-21 00:04:26 -0500142int get_wiphy_idx(struct wiphy *wiphy);
143
Johannes Berg4bbf4d52009-03-24 09:35:46 +0100144struct cfg80211_registered_device *
Johannes Berg79c97e92009-07-07 03:56:12 +0200145__cfg80211_rdev_from_info(struct genl_info *info);
Johannes Berg4bbf4d52009-03-24 09:35:46 +0100146
Johannes Berg55682962007-09-20 13:09:35 -0400147/*
148 * This function returns a pointer to the driver
149 * that the genl_info item that is passed refers to.
150 * If successful, it returns non-NULL and also locks
151 * the driver's mutex!
152 *
Johannes Berg4d0c8ae2009-07-07 03:56:09 +0200153 * This means that you need to call cfg80211_unlock_rdev()
Luis R. Rodrigueza1794392009-02-21 00:04:21 -0500154 * before being allowed to acquire &cfg80211_mutex!
Johannes Berg55682962007-09-20 13:09:35 -0400155 *
156 * This is necessary because we need to lock the global
157 * mutex to get an item off the list safely, and then
Johannes Berg79c97e92009-07-07 03:56:12 +0200158 * we lock the rdev mutex so it doesn't go away under us.
Johannes Berg55682962007-09-20 13:09:35 -0400159 *
Luis R. Rodrigueza1794392009-02-21 00:04:21 -0500160 * We don't want to keep cfg80211_mutex locked
Johannes Berg55682962007-09-20 13:09:35 -0400161 * for all the time in order to allow requests on
162 * other interfaces to go through at the same time.
163 *
164 * The result of this can be a PTR_ERR and hence must
165 * be checked with IS_ERR() for errors.
166 */
167extern struct cfg80211_registered_device *
168cfg80211_get_dev_from_info(struct genl_info *info);
169
Johannes Berg79c97e92009-07-07 03:56:12 +0200170/* requires cfg80211_rdev_mutex to be held! */
Luis R. Rodriguez806a9e32009-02-21 00:04:26 -0500171struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
172
Johannes Berg55682962007-09-20 13:09:35 -0400173/* identical to cfg80211_get_dev_from_info but only operate on ifindex */
174extern struct cfg80211_registered_device *
Johannes Berg463d0182009-07-14 00:33:35 +0200175cfg80211_get_dev_from_ifindex(struct net *net, int ifindex);
176
177int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
178 struct net *net);
Johannes Berg55682962007-09-20 13:09:35 -0400179
Johannes Berg79c97e92009-07-07 03:56:12 +0200180static inline void cfg80211_lock_rdev(struct cfg80211_registered_device *rdev)
Johannes Berg667503dd2009-07-07 03:56:11 +0200181{
Johannes Berg79c97e92009-07-07 03:56:12 +0200182 mutex_lock(&rdev->mtx);
Johannes Berg667503dd2009-07-07 03:56:11 +0200183}
184
Johannes Berg79c97e92009-07-07 03:56:12 +0200185static inline void cfg80211_unlock_rdev(struct cfg80211_registered_device *rdev)
Johannes Berg4d0c8ae2009-07-07 03:56:09 +0200186{
Johannes Berg79c97e92009-07-07 03:56:12 +0200187 BUG_ON(IS_ERR(rdev) || !rdev);
188 mutex_unlock(&rdev->mtx);
Johannes Berg4d0c8ae2009-07-07 03:56:09 +0200189}
Johannes Berg55682962007-09-20 13:09:35 -0400190
Johannes Berg667503dd2009-07-07 03:56:11 +0200191static inline void wdev_lock(struct wireless_dev *wdev)
192 __acquires(wdev)
193{
194 mutex_lock(&wdev->mtx);
195 __acquire(wdev->mtx);
196}
197
198static inline void wdev_unlock(struct wireless_dev *wdev)
199 __releases(wdev)
200{
201 __release(wdev->mtx);
202 mutex_unlock(&wdev->mtx);
203}
204
205#define ASSERT_RDEV_LOCK(rdev) WARN_ON(!mutex_is_locked(&(rdev)->mtx));
206#define ASSERT_WDEV_LOCK(wdev) WARN_ON(!mutex_is_locked(&(wdev)->mtx));
207
208enum cfg80211_event_type {
209 EVENT_CONNECT_RESULT,
210 EVENT_ROAMED,
211 EVENT_DISCONNECTED,
212 EVENT_IBSS_JOINED,
213};
214
215struct cfg80211_event {
216 struct list_head list;
217 enum cfg80211_event_type type;
218
219 union {
220 struct {
221 u8 bssid[ETH_ALEN];
222 const u8 *req_ie;
223 const u8 *resp_ie;
224 size_t req_ie_len;
225 size_t resp_ie_len;
226 u16 status;
227 } cr;
228 struct {
229 u8 bssid[ETH_ALEN];
230 const u8 *req_ie;
231 const u8 *resp_ie;
232 size_t req_ie_len;
233 size_t resp_ie_len;
234 } rm;
235 struct {
236 const u8 *ie;
237 size_t ie_len;
238 u16 reason;
239 } dc;
240 struct {
241 u8 bssid[ETH_ALEN];
242 } ij;
243 };
244};
245
Johannes Bergfffd0932009-07-08 14:22:54 +0200246struct cfg80211_cached_keys {
247 struct key_params params[6];
248 u8 data[6][WLAN_MAX_KEY_LEN];
249 int def, defmgmt;
250};
251
Johannes Berg667503dd2009-07-07 03:56:11 +0200252
Johannes Berg704232c2007-04-23 12:20:05 -0700253/* free object */
Johannes Berg79c97e92009-07-07 03:56:12 +0200254extern void cfg80211_dev_free(struct cfg80211_registered_device *rdev);
Johannes Berg704232c2007-04-23 12:20:05 -0700255
Johannes Berg79c97e92009-07-07 03:56:12 +0200256extern int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
Johannes Berg55682962007-09-20 13:09:35 -0400257 char *newname);
258
Johannes Berg8318d782008-01-24 19:38:38 +0100259void ieee80211_set_bitrate_flags(struct wiphy *wiphy);
Luis R. Rodriguez7db90f42009-03-09 22:07:41 -0400260void wiphy_update_regulatory(struct wiphy *wiphy,
261 enum nl80211_reg_initiator setby);
Johannes Berg8318d782008-01-24 19:38:38 +0100262
Johannes Berg2a519312009-02-10 21:25:55 +0100263void cfg80211_bss_expire(struct cfg80211_registered_device *dev);
Dan Williamscb3a8ee2009-02-11 17:14:43 -0500264void cfg80211_bss_age(struct cfg80211_registered_device *dev,
265 unsigned long age_secs);
Johannes Berg2a519312009-02-10 21:25:55 +0100266
Johannes Berg04a773a2009-04-19 21:24:32 +0200267/* IBSS */
Johannes Berg667503dd2009-07-07 03:56:11 +0200268int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
269 struct net_device *dev,
Johannes Bergfffd0932009-07-08 14:22:54 +0200270 struct cfg80211_ibss_params *params,
271 struct cfg80211_cached_keys *connkeys);
Johannes Berg04a773a2009-04-19 21:24:32 +0200272int cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
273 struct net_device *dev,
Johannes Bergfffd0932009-07-08 14:22:54 +0200274 struct cfg80211_ibss_params *params,
275 struct cfg80211_cached_keys *connkeys);
Johannes Berg9d308422009-04-20 18:43:46 +0200276void cfg80211_clear_ibss(struct net_device *dev, bool nowext);
Johannes Berg98d3a7c2009-11-18 13:03:43 +0100277int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
278 struct net_device *dev, bool nowext);
Johannes Berg04a773a2009-04-19 21:24:32 +0200279int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
Johannes Berg9d308422009-04-20 18:43:46 +0200280 struct net_device *dev, bool nowext);
Johannes Berg667503dd2009-07-07 03:56:11 +0200281void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid);
Johannes Bergfffd0932009-07-08 14:22:54 +0200282int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
283 struct wireless_dev *wdev);
Johannes Berg04a773a2009-04-19 21:24:32 +0200284
Johannes Berg19957bb2009-07-02 17:20:43 +0200285/* MLME */
Johannes Berg667503dd2009-07-07 03:56:11 +0200286int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
287 struct net_device *dev,
288 struct ieee80211_channel *chan,
289 enum nl80211_auth_type auth_type,
290 const u8 *bssid,
291 const u8 *ssid, int ssid_len,
Johannes Bergfffd0932009-07-08 14:22:54 +0200292 const u8 *ie, int ie_len,
Jouni Malinend5cdfac2010-04-04 09:37:19 +0300293 const u8 *key, int key_len, int key_idx,
294 bool local_state_change);
Johannes Berg19957bb2009-07-02 17:20:43 +0200295int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
296 struct net_device *dev, struct ieee80211_channel *chan,
297 enum nl80211_auth_type auth_type, const u8 *bssid,
298 const u8 *ssid, int ssid_len,
Johannes Bergfffd0932009-07-08 14:22:54 +0200299 const u8 *ie, int ie_len,
Jouni Malinend5cdfac2010-04-04 09:37:19 +0300300 const u8 *key, int key_len, int key_idx,
301 bool local_state_change);
Johannes Berg667503dd2009-07-07 03:56:11 +0200302int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
303 struct net_device *dev,
304 struct ieee80211_channel *chan,
305 const u8 *bssid, const u8 *prev_bssid,
306 const u8 *ssid, int ssid_len,
307 const u8 *ie, int ie_len, bool use_mfp,
308 struct cfg80211_crypto_settings *crypt);
Johannes Berg19957bb2009-07-02 17:20:43 +0200309int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
310 struct net_device *dev, struct ieee80211_channel *chan,
Johannes Berg3e5d7642009-07-07 14:37:26 +0200311 const u8 *bssid, const u8 *prev_bssid,
312 const u8 *ssid, int ssid_len,
Johannes Berg19957bb2009-07-02 17:20:43 +0200313 const u8 *ie, int ie_len, bool use_mfp,
314 struct cfg80211_crypto_settings *crypt);
Johannes Berg667503dd2009-07-07 03:56:11 +0200315int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
316 struct net_device *dev, const u8 *bssid,
Jouni Malinend5cdfac2010-04-04 09:37:19 +0300317 const u8 *ie, int ie_len, u16 reason,
318 bool local_state_change);
Johannes Berg19957bb2009-07-02 17:20:43 +0200319int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
320 struct net_device *dev, const u8 *bssid,
Jouni Malinend5cdfac2010-04-04 09:37:19 +0300321 const u8 *ie, int ie_len, u16 reason,
322 bool local_state_change);
Johannes Berg19957bb2009-07-02 17:20:43 +0200323int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
324 struct net_device *dev, const u8 *bssid,
Jouni Malinend5cdfac2010-04-04 09:37:19 +0300325 const u8 *ie, int ie_len, u16 reason,
326 bool local_state_change);
Johannes Berg19957bb2009-07-02 17:20:43 +0200327void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
328 struct net_device *dev);
Johannes Berg667503dd2009-07-07 03:56:11 +0200329void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
330 const u8 *req_ie, size_t req_ie_len,
331 const u8 *resp_ie, size_t resp_ie_len,
Johannes Bergdf7fc0f2009-07-29 11:23:49 +0200332 u16 status, bool wextev,
333 struct cfg80211_bss *bss);
Jouni Malinen026331c2010-02-15 12:53:10 +0200334int cfg80211_mlme_register_action(struct wireless_dev *wdev, u32 snd_pid,
335 const u8 *match_data, int match_len);
336void cfg80211_mlme_unregister_actions(struct wireless_dev *wdev, u32 nlpid);
337void cfg80211_mlme_purge_actions(struct wireless_dev *wdev);
338int cfg80211_mlme_action(struct cfg80211_registered_device *rdev,
339 struct net_device *dev,
340 struct ieee80211_channel *chan,
341 enum nl80211_channel_type channel_type,
342 const u8 *buf, size_t len, u64 *cookie);
Johannes Berg19957bb2009-07-02 17:20:43 +0200343
Samuel Ortizb23aa672009-07-01 21:26:54 +0200344/* SME */
Johannes Berg667503dd2009-07-07 03:56:11 +0200345int __cfg80211_connect(struct cfg80211_registered_device *rdev,
346 struct net_device *dev,
Johannes Bergfffd0932009-07-08 14:22:54 +0200347 struct cfg80211_connect_params *connect,
Johannes Bergf401a6f2009-08-07 14:51:05 +0200348 struct cfg80211_cached_keys *connkeys,
349 const u8 *prev_bssid);
Samuel Ortizb23aa672009-07-01 21:26:54 +0200350int cfg80211_connect(struct cfg80211_registered_device *rdev,
351 struct net_device *dev,
Johannes Bergfffd0932009-07-08 14:22:54 +0200352 struct cfg80211_connect_params *connect,
353 struct cfg80211_cached_keys *connkeys);
Johannes Berg667503dd2009-07-07 03:56:11 +0200354int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
355 struct net_device *dev, u16 reason,
356 bool wextev);
Samuel Ortizb23aa672009-07-01 21:26:54 +0200357int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
Johannes Bergf2129352009-07-01 21:26:56 +0200358 struct net_device *dev, u16 reason,
359 bool wextev);
Johannes Berg667503dd2009-07-07 03:56:11 +0200360void __cfg80211_roamed(struct wireless_dev *wdev, const u8 *bssid,
361 const u8 *req_ie, size_t req_ie_len,
362 const u8 *resp_ie, size_t resp_ie_len);
Johannes Bergfffd0932009-07-08 14:22:54 +0200363int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
364 struct wireless_dev *wdev);
Samuel Ortizb23aa672009-07-01 21:26:54 +0200365
Johannes Berg6829c872009-07-02 09:13:27 +0200366void cfg80211_conn_work(struct work_struct *work);
Johannes Berg7d930bc2009-10-20 15:08:53 +0900367void cfg80211_sme_failed_assoc(struct wireless_dev *wdev);
Johannes Bergf401a6f2009-08-07 14:51:05 +0200368bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev);
Johannes Berg6829c872009-07-02 09:13:27 +0200369
Johannes Berg08645122009-05-11 13:54:58 +0200370/* internal helpers */
Johannes Bergfffd0932009-07-08 14:22:54 +0200371int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
372 struct key_params *params, int key_idx,
Johannes Berg08645122009-05-11 13:54:58 +0200373 const u8 *mac_addr);
Johannes Berg667503dd2009-07-07 03:56:11 +0200374void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
Johannes Berg6829c872009-07-02 09:13:27 +0200375 size_t ie_len, u16 reason, bool from_ap);
376void cfg80211_sme_scan_done(struct net_device *dev);
377void cfg80211_sme_rx_auth(struct net_device *dev, const u8 *buf, size_t len);
Johannes Berg19957bb2009-07-02 17:20:43 +0200378void cfg80211_sme_disassoc(struct net_device *dev, int idx);
Johannes Berg667503dd2009-07-07 03:56:11 +0200379void __cfg80211_scan_done(struct work_struct *wk);
Johannes Berg01a0ac42009-08-20 21:36:16 +0200380void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak);
Johannes Bergfffd0932009-07-08 14:22:54 +0200381void cfg80211_upload_connect_keys(struct wireless_dev *wdev);
Johannes Berg3d54d252009-08-21 14:51:05 +0200382int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
383 struct net_device *dev, enum nl80211_iftype ntype,
384 u32 *flags, struct vif_params *params);
385void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev);
Johannes Berg08645122009-05-11 13:54:58 +0200386
Johannes Berg59bbb6f2009-08-07 17:22:35 +0200387struct ieee80211_channel *
Jouni Malinen9588bbd2009-12-23 13:15:41 +0100388rdev_freq_to_chan(struct cfg80211_registered_device *rdev,
389 int freq, enum nl80211_channel_type channel_type);
Johannes Bergf444de02010-05-05 15:25:02 +0200390int cfg80211_set_freq(struct cfg80211_registered_device *rdev,
391 struct wireless_dev *wdev, int freq,
392 enum nl80211_channel_type channel_type);
Johannes Berg59bbb6f2009-08-07 17:22:35 +0200393
John W. Linville254416a2009-12-09 16:43:52 -0500394u16 cfg80211_calculate_bitrate(struct rate_info *rate);
395
Johannes Bergf7969962009-08-21 12:23:49 +0200396#ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS
397#define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond)
398#else
399/*
400 * Trick to enable using it as a condition,
401 * and also not give a warning when it's
402 * not used that way.
403 */
404#define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; })
405#endif
406
Johannes Berg704232c2007-04-23 12:20:05 -0700407#endif /* __NET_WIRELESS_CORE_H */