blob: 26a0a084e16b886910ea637168982baf8318c812 [file] [log] [blame]
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 Berg667503d2009-07-07 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 Berg667503d2009-07-07 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{
Eric Dumazeta02cec22010-09-22 20:43:57 +000089 return wiphy_idx >= 0;
Luis R. Rodriguez85fd1292009-02-21 00:04:20 -050090}
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 Berg46a5eba2010-09-15 13:28:15 +020098static inline void assert_cfg80211_lock(void)
99{
100 lockdep_assert_held(&cfg80211_mutex);
101}
Luis R. Rodriguez761cf7e2009-02-21 00:04:25 -0500102
Luis R. Rodriguez806a9e32009-02-21 00:04:26 -0500103/*
104 * You can use this to mark a wiphy_idx as not having an associated wiphy.
Johannes Berg79c97e92009-07-07 03:56:12 +0200105 * It guarantees cfg80211_rdev_by_wiphy_idx(wiphy_idx) will return NULL
Luis R. Rodriguez806a9e32009-02-21 00:04:26 -0500106 */
107#define WIPHY_IDX_STALE -1
108
Johannes Berg2a519312009-02-10 21:25:55 +0100109struct cfg80211_internal_bss {
110 struct list_head list;
111 struct rb_node rbn;
112 unsigned long ts;
113 struct kref ref;
Johannes Berg19957bb2009-07-02 17:20:43 +0200114 atomic_t hold;
Jouni Malinen34a6edd2010-01-06 16:19:24 +0200115 bool beacon_ies_allocated;
116 bool proberesp_ies_allocated;
Kalle Valoa08c1c12009-03-22 21:57:28 +0200117
Johannes Berg2a519312009-02-10 21:25:55 +0100118 /* must be last because of priv member */
119 struct cfg80211_bss pub;
120};
121
Johannes Berg19957bb2009-07-02 17:20:43 +0200122static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub)
123{
124 return container_of(pub, struct cfg80211_internal_bss, pub);
125}
126
Johannes Bergdf7fc0f2009-07-29 11:23:49 +0200127static inline void cfg80211_ref_bss(struct cfg80211_internal_bss *bss)
128{
129 kref_get(&bss->ref);
130}
131
Johannes Berg19957bb2009-07-02 17:20:43 +0200132static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss)
133{
134 atomic_inc(&bss->hold);
135}
136
137static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss)
138{
139 int r = atomic_dec_return(&bss->hold);
140 WARN_ON(r < 0);
141}
142
143
Johannes Berg79c97e92009-07-07 03:56:12 +0200144struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx);
Luis R. Rodriguez806a9e32009-02-21 00:04:26 -0500145int get_wiphy_idx(struct wiphy *wiphy);
146
Johannes Berg4bbf4d52009-03-24 09:35:46 +0100147struct cfg80211_registered_device *
Johannes Berg79c97e92009-07-07 03:56:12 +0200148__cfg80211_rdev_from_info(struct genl_info *info);
Johannes Berg4bbf4d52009-03-24 09:35:46 +0100149
Johannes Berg55682962007-09-20 13:09:35 -0400150/*
151 * This function returns a pointer to the driver
152 * that the genl_info item that is passed refers to.
153 * If successful, it returns non-NULL and also locks
154 * the driver's mutex!
155 *
Johannes Berg4d0c8ae2009-07-07 03:56:09 +0200156 * This means that you need to call cfg80211_unlock_rdev()
Luis R. Rodrigueza1794392009-02-21 00:04:21 -0500157 * before being allowed to acquire &cfg80211_mutex!
Johannes Berg55682962007-09-20 13:09:35 -0400158 *
159 * This is necessary because we need to lock the global
160 * mutex to get an item off the list safely, and then
Johannes Berg79c97e92009-07-07 03:56:12 +0200161 * we lock the rdev mutex so it doesn't go away under us.
Johannes Berg55682962007-09-20 13:09:35 -0400162 *
Luis R. Rodrigueza1794392009-02-21 00:04:21 -0500163 * We don't want to keep cfg80211_mutex locked
Johannes Berg55682962007-09-20 13:09:35 -0400164 * for all the time in order to allow requests on
165 * other interfaces to go through at the same time.
166 *
167 * The result of this can be a PTR_ERR and hence must
168 * be checked with IS_ERR() for errors.
169 */
170extern struct cfg80211_registered_device *
171cfg80211_get_dev_from_info(struct genl_info *info);
172
Johannes Berg79c97e92009-07-07 03:56:12 +0200173/* requires cfg80211_rdev_mutex to be held! */
Luis R. Rodriguez806a9e32009-02-21 00:04:26 -0500174struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
175
Johannes Berg55682962007-09-20 13:09:35 -0400176/* identical to cfg80211_get_dev_from_info but only operate on ifindex */
177extern struct cfg80211_registered_device *
Johannes Berg463d0182009-07-14 00:33:35 +0200178cfg80211_get_dev_from_ifindex(struct net *net, int ifindex);
179
180int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
181 struct net *net);
Johannes Berg55682962007-09-20 13:09:35 -0400182
Johannes Berg79c97e92009-07-07 03:56:12 +0200183static inline void cfg80211_lock_rdev(struct cfg80211_registered_device *rdev)
Johannes Berg667503d2009-07-07 03:56:11 +0200184{
Johannes Berg79c97e92009-07-07 03:56:12 +0200185 mutex_lock(&rdev->mtx);
Johannes Berg667503d2009-07-07 03:56:11 +0200186}
187
Johannes Berg79c97e92009-07-07 03:56:12 +0200188static inline void cfg80211_unlock_rdev(struct cfg80211_registered_device *rdev)
Johannes Berg4d0c8ae2009-07-07 03:56:09 +0200189{
Johannes Berg79c97e92009-07-07 03:56:12 +0200190 BUG_ON(IS_ERR(rdev) || !rdev);
191 mutex_unlock(&rdev->mtx);
Johannes Berg4d0c8ae2009-07-07 03:56:09 +0200192}
Johannes Berg55682962007-09-20 13:09:35 -0400193
Johannes Berg667503d2009-07-07 03:56:11 +0200194static inline void wdev_lock(struct wireless_dev *wdev)
195 __acquires(wdev)
196{
197 mutex_lock(&wdev->mtx);
198 __acquire(wdev->mtx);
199}
200
201static inline void wdev_unlock(struct wireless_dev *wdev)
202 __releases(wdev)
203{
204 __release(wdev->mtx);
205 mutex_unlock(&wdev->mtx);
206}
207
Johannes Berg46a5eba2010-09-15 13:28:15 +0200208#define ASSERT_RDEV_LOCK(rdev) lockdep_assert_held(&(rdev)->mtx)
209#define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx)
Johannes Berg667503d2009-07-07 03:56:11 +0200210
211enum cfg80211_event_type {
212 EVENT_CONNECT_RESULT,
213 EVENT_ROAMED,
214 EVENT_DISCONNECTED,
215 EVENT_IBSS_JOINED,
216};
217
218struct cfg80211_event {
219 struct list_head list;
220 enum cfg80211_event_type type;
221
222 union {
223 struct {
224 u8 bssid[ETH_ALEN];
225 const u8 *req_ie;
226 const u8 *resp_ie;
227 size_t req_ie_len;
228 size_t resp_ie_len;
229 u16 status;
230 } cr;
231 struct {
232 u8 bssid[ETH_ALEN];
233 const u8 *req_ie;
234 const u8 *resp_ie;
235 size_t req_ie_len;
236 size_t resp_ie_len;
237 } rm;
238 struct {
239 const u8 *ie;
240 size_t ie_len;
241 u16 reason;
242 } dc;
243 struct {
244 u8 bssid[ETH_ALEN];
245 } ij;
246 };
247};
248
Johannes Bergfffd0932009-07-08 14:22:54 +0200249struct cfg80211_cached_keys {
250 struct key_params params[6];
251 u8 data[6][WLAN_MAX_KEY_LEN];
252 int def, defmgmt;
253};
254
Johannes Berg667503d2009-07-07 03:56:11 +0200255
Johannes Berg704232c2007-04-23 12:20:05 -0700256/* free object */
Johannes Berg79c97e92009-07-07 03:56:12 +0200257extern void cfg80211_dev_free(struct cfg80211_registered_device *rdev);
Johannes Berg704232c2007-04-23 12:20:05 -0700258
Johannes Berg79c97e92009-07-07 03:56:12 +0200259extern int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
Johannes Berg55682962007-09-20 13:09:35 -0400260 char *newname);
261
Johannes Berg8318d782008-01-24 19:38:38 +0100262void ieee80211_set_bitrate_flags(struct wiphy *wiphy);
Luis R. Rodriguez7db90f42009-03-09 22:07:41 -0400263void wiphy_update_regulatory(struct wiphy *wiphy,
264 enum nl80211_reg_initiator setby);
Johannes Berg8318d782008-01-24 19:38:38 +0100265
Johannes Berg2a519312009-02-10 21:25:55 +0100266void cfg80211_bss_expire(struct cfg80211_registered_device *dev);
Dan Williamscb3a8ee2009-02-11 17:14:43 -0500267void cfg80211_bss_age(struct cfg80211_registered_device *dev,
268 unsigned long age_secs);
Johannes Berg2a519312009-02-10 21:25:55 +0100269
Johannes Berg04a773a2009-04-19 21:24:32 +0200270/* IBSS */
Johannes Berg667503d2009-07-07 03:56:11 +0200271int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
272 struct net_device *dev,
Johannes Bergfffd0932009-07-08 14:22:54 +0200273 struct cfg80211_ibss_params *params,
274 struct cfg80211_cached_keys *connkeys);
Johannes Berg04a773a2009-04-19 21:24:32 +0200275int cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
276 struct net_device *dev,
Johannes Bergfffd0932009-07-08 14:22:54 +0200277 struct cfg80211_ibss_params *params,
278 struct cfg80211_cached_keys *connkeys);
Johannes Berg9d308422009-04-20 18:43:46 +0200279void cfg80211_clear_ibss(struct net_device *dev, bool nowext);
Johannes Berg98d3a7c2009-11-18 13:03:43 +0100280int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
281 struct net_device *dev, bool nowext);
Johannes Berg04a773a2009-04-19 21:24:32 +0200282int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
Johannes Berg9d308422009-04-20 18:43:46 +0200283 struct net_device *dev, bool nowext);
Johannes Berg667503d2009-07-07 03:56:11 +0200284void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid);
Johannes Bergfffd0932009-07-08 14:22:54 +0200285int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
286 struct wireless_dev *wdev);
Johannes Berg04a773a2009-04-19 21:24:32 +0200287
Johannes Berg29cbe682010-12-03 09:20:44 +0100288/* mesh */
289extern const struct mesh_config default_mesh_config;
Javier Cardonac80d5452010-12-16 17:37:49 -0800290extern const struct mesh_setup default_mesh_setup;
Johannes Berg29cbe682010-12-03 09:20:44 +0100291int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
292 struct net_device *dev,
Javier Cardonac80d5452010-12-16 17:37:49 -0800293 const struct mesh_setup *setup,
Johannes Berg29cbe682010-12-03 09:20:44 +0100294 const struct mesh_config *conf);
295int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
296 struct net_device *dev,
Javier Cardonac80d5452010-12-16 17:37:49 -0800297 const struct mesh_setup *setup,
Johannes Berg29cbe682010-12-03 09:20:44 +0100298 const struct mesh_config *conf);
299int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
300 struct net_device *dev);
301
Johannes Berg19957bb2009-07-02 17:20:43 +0200302/* MLME */
Johannes Berg667503d2009-07-07 03:56:11 +0200303int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
304 struct net_device *dev,
305 struct ieee80211_channel *chan,
306 enum nl80211_auth_type auth_type,
307 const u8 *bssid,
308 const u8 *ssid, int ssid_len,
Johannes Bergfffd0932009-07-08 14:22:54 +0200309 const u8 *ie, int ie_len,
Jouni Malinend5cdfac2010-04-04 09:37:19 +0300310 const u8 *key, int key_len, int key_idx,
311 bool local_state_change);
Johannes Berg19957bb2009-07-02 17:20:43 +0200312int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
313 struct net_device *dev, struct ieee80211_channel *chan,
314 enum nl80211_auth_type auth_type, const u8 *bssid,
315 const u8 *ssid, int ssid_len,
Johannes Bergfffd0932009-07-08 14:22:54 +0200316 const u8 *ie, int ie_len,
Jouni Malinend5cdfac2010-04-04 09:37:19 +0300317 const u8 *key, int key_len, int key_idx,
318 bool local_state_change);
Johannes Berg667503d2009-07-07 03:56:11 +0200319int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
320 struct net_device *dev,
321 struct ieee80211_channel *chan,
322 const u8 *bssid, const u8 *prev_bssid,
323 const u8 *ssid, int ssid_len,
324 const u8 *ie, int ie_len, bool use_mfp,
325 struct cfg80211_crypto_settings *crypt);
Johannes Berg19957bb2009-07-02 17:20:43 +0200326int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
327 struct net_device *dev, struct ieee80211_channel *chan,
Johannes Berg3e5d7642009-07-07 14:37:26 +0200328 const u8 *bssid, const u8 *prev_bssid,
329 const u8 *ssid, int ssid_len,
Johannes Berg19957bb2009-07-02 17:20:43 +0200330 const u8 *ie, int ie_len, bool use_mfp,
331 struct cfg80211_crypto_settings *crypt);
Johannes Berg667503d2009-07-07 03:56:11 +0200332int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
333 struct net_device *dev, const u8 *bssid,
Jouni Malinend5cdfac2010-04-04 09:37:19 +0300334 const u8 *ie, int ie_len, u16 reason,
335 bool local_state_change);
Johannes Berg19957bb2009-07-02 17:20:43 +0200336int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
337 struct net_device *dev, const u8 *bssid,
Jouni Malinend5cdfac2010-04-04 09:37:19 +0300338 const u8 *ie, int ie_len, u16 reason,
339 bool local_state_change);
Johannes Berg19957bb2009-07-02 17:20:43 +0200340int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
341 struct net_device *dev, const u8 *bssid,
Jouni Malinend5cdfac2010-04-04 09:37:19 +0300342 const u8 *ie, int ie_len, u16 reason,
343 bool local_state_change);
Johannes Berg19957bb2009-07-02 17:20:43 +0200344void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
345 struct net_device *dev);
Johannes Berg667503d2009-07-07 03:56:11 +0200346void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
347 const u8 *req_ie, size_t req_ie_len,
348 const u8 *resp_ie, size_t resp_ie_len,
Johannes Bergdf7fc0f2009-07-29 11:23:49 +0200349 u16 status, bool wextev,
350 struct cfg80211_bss *bss);
Johannes Berg2e161f72010-08-12 15:38:38 +0200351int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
352 u16 frame_type, const u8 *match_data,
353 int match_len);
354void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid);
355void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev);
356int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
357 struct net_device *dev,
Johannes Bergf7ca38d2010-11-25 10:02:29 +0100358 struct ieee80211_channel *chan, bool offchan,
Johannes Berg2e161f72010-08-12 15:38:38 +0200359 enum nl80211_channel_type channel_type,
Johannes Bergf7ca38d2010-11-25 10:02:29 +0100360 bool channel_type_valid, unsigned int wait,
Johannes Berg2e161f72010-08-12 15:38:38 +0200361 const u8 *buf, size_t len, u64 *cookie);
Johannes Berg19957bb2009-07-02 17:20:43 +0200362
Samuel Ortizb23aa672009-07-01 21:26:54 +0200363/* SME */
Johannes Berg667503d2009-07-07 03:56:11 +0200364int __cfg80211_connect(struct cfg80211_registered_device *rdev,
365 struct net_device *dev,
Johannes Bergfffd0932009-07-08 14:22:54 +0200366 struct cfg80211_connect_params *connect,
Johannes Bergf401a6f2009-08-07 14:51:05 +0200367 struct cfg80211_cached_keys *connkeys,
368 const u8 *prev_bssid);
Samuel Ortizb23aa672009-07-01 21:26:54 +0200369int cfg80211_connect(struct cfg80211_registered_device *rdev,
370 struct net_device *dev,
Johannes Bergfffd0932009-07-08 14:22:54 +0200371 struct cfg80211_connect_params *connect,
372 struct cfg80211_cached_keys *connkeys);
Johannes Berg667503d2009-07-07 03:56:11 +0200373int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
374 struct net_device *dev, u16 reason,
375 bool wextev);
Samuel Ortizb23aa672009-07-01 21:26:54 +0200376int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
Johannes Bergf2129352009-07-01 21:26:56 +0200377 struct net_device *dev, u16 reason,
378 bool wextev);
Johannes Berg667503d2009-07-07 03:56:11 +0200379void __cfg80211_roamed(struct wireless_dev *wdev, const u8 *bssid,
380 const u8 *req_ie, size_t req_ie_len,
381 const u8 *resp_ie, size_t resp_ie_len);
Johannes Bergfffd0932009-07-08 14:22:54 +0200382int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
383 struct wireless_dev *wdev);
Samuel Ortizb23aa672009-07-01 21:26:54 +0200384
Johannes Berg6829c872009-07-02 09:13:27 +0200385void cfg80211_conn_work(struct work_struct *work);
Johannes Berg7d930bc2009-10-20 15:08:53 +0900386void cfg80211_sme_failed_assoc(struct wireless_dev *wdev);
Johannes Bergf401a6f2009-08-07 14:51:05 +0200387bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev);
Johannes Berg6829c872009-07-02 09:13:27 +0200388
Johannes Berg08645122009-05-11 13:54:58 +0200389/* internal helpers */
Johannes Bergfffd0932009-07-08 14:22:54 +0200390int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
391 struct key_params *params, int key_idx,
Johannes Berge31b8212010-10-05 19:39:30 +0200392 bool pairwise, const u8 *mac_addr);
Johannes Berg667503d2009-07-07 03:56:11 +0200393void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
Johannes Berg6829c872009-07-02 09:13:27 +0200394 size_t ie_len, u16 reason, bool from_ap);
395void cfg80211_sme_scan_done(struct net_device *dev);
396void cfg80211_sme_rx_auth(struct net_device *dev, const u8 *buf, size_t len);
Johannes Berg19957bb2009-07-02 17:20:43 +0200397void cfg80211_sme_disassoc(struct net_device *dev, int idx);
Johannes Berg667503d2009-07-07 03:56:11 +0200398void __cfg80211_scan_done(struct work_struct *wk);
Johannes Berg01a0ac42009-08-20 21:36:16 +0200399void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak);
Johannes Bergfffd0932009-07-08 14:22:54 +0200400void cfg80211_upload_connect_keys(struct wireless_dev *wdev);
Johannes Berg3d54d252009-08-21 14:51:05 +0200401int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
402 struct net_device *dev, enum nl80211_iftype ntype,
403 u32 *flags, struct vif_params *params);
404void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev);
Johannes Berg08645122009-05-11 13:54:58 +0200405
Johannes Berg59bbb6f2009-08-07 17:22:35 +0200406struct ieee80211_channel *
Jouni Malinen9588bbd2009-12-23 13:15:41 +0100407rdev_freq_to_chan(struct cfg80211_registered_device *rdev,
408 int freq, enum nl80211_channel_type channel_type);
Johannes Bergf444de02010-05-05 15:25:02 +0200409int cfg80211_set_freq(struct cfg80211_registered_device *rdev,
410 struct wireless_dev *wdev, int freq,
411 enum nl80211_channel_type channel_type);
Johannes Berg59bbb6f2009-08-07 17:22:35 +0200412
John W. Linville254416a2009-12-09 16:43:52 -0500413u16 cfg80211_calculate_bitrate(struct rate_info *rate);
414
Johannes Bergf7969962009-08-21 12:23:49 +0200415#ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS
416#define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond)
417#else
418/*
419 * Trick to enable using it as a condition,
420 * and also not give a warning when it's
421 * not used that way.
422 */
423#define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; })
424#endif
425
Johannes Berg704232c2007-04-23 12:20:05 -0700426#endif /* __NET_WIRELESS_CORE_H */