blob: 8672e028022ffba288dc6166417aea9ae49391de [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 */
Luciano Coelho807f8a82011-05-11 17:09:35 +030063 struct cfg80211_sched_scan_request *sched_scan_req;
Dan Williamscb3a8ee2009-02-11 17:14:43 -050064 unsigned long suspend_at;
Johannes Berg667503dd2009-07-07 03:56:11 +020065 struct work_struct scan_done_wk;
Luciano Coelho807f8a82011-05-11 17:09:35 +030066 struct work_struct sched_scan_results_wk;
Johannes Berg2a519312009-02-10 21:25:55 +010067
Luciano Coelhoc10841c2011-06-30 08:32:41 +030068 struct mutex sched_scan_mtx;
69
Johannes Bergaff89a92009-07-01 21:26:51 +020070#ifdef CONFIG_NL80211_TESTMODE
71 struct genl_info *testmode_info;
72#endif
73
Johannes Berg6829c872009-07-02 09:13:27 +020074 struct work_struct conn_work;
Johannes Berg667503dd2009-07-07 03:56:11 +020075 struct work_struct event_work;
Johannes Berg6829c872009-07-02 09:13:27 +020076
Johannes Bergff1b6e62011-05-04 15:37:28 +020077 struct cfg80211_wowlan *wowlan;
78
Johannes Berg704232c2007-04-23 12:20:05 -070079 /* must be last because of the way we do wiphy_priv(),
80 * and it should at least be aligned to NETDEV_ALIGN */
81 struct wiphy wiphy __attribute__((__aligned__(NETDEV_ALIGN)));
82};
83
84static inline
85struct cfg80211_registered_device *wiphy_to_dev(struct wiphy *wiphy)
86{
87 BUG_ON(!wiphy);
88 return container_of(wiphy, struct cfg80211_registered_device, wiphy);
89}
90
Luis R. Rodriguez85fd1292009-02-21 00:04:20 -050091/* Note 0 is valid, hence phy0 */
92static inline
93bool wiphy_idx_valid(int wiphy_idx)
94{
Eric Dumazeta02cec22010-09-22 20:43:57 +000095 return wiphy_idx >= 0;
Luis R. Rodriguez85fd1292009-02-21 00:04:20 -050096}
97
Johannes Bergff1b6e62011-05-04 15:37:28 +020098static inline void
99cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev)
100{
101 int i;
102
103 if (!rdev->wowlan)
104 return;
105 for (i = 0; i < rdev->wowlan->n_patterns; i++)
106 kfree(rdev->wowlan->patterns[i].mask);
107 kfree(rdev->wowlan->patterns);
108 kfree(rdev->wowlan);
109}
Alban Browaeyse60d7442009-11-25 15:13:00 +0100110
111extern struct workqueue_struct *cfg80211_wq;
Luis R. Rodrigueza1794392009-02-21 00:04:21 -0500112extern struct mutex cfg80211_mutex;
Johannes Berg79c97e92009-07-07 03:56:12 +0200113extern struct list_head cfg80211_rdev_list;
Johannes Bergf5ea9122009-08-07 16:17:38 +0200114extern int cfg80211_rdev_list_generation;
Johannes Berg704232c2007-04-23 12:20:05 -0700115
Johannes Berg46a5eba2010-09-15 13:28:15 +0200116static inline void assert_cfg80211_lock(void)
117{
118 lockdep_assert_held(&cfg80211_mutex);
119}
Luis R. Rodriguez761cf7e2009-02-21 00:04:25 -0500120
Luis R. Rodriguez806a9e32009-02-21 00:04:26 -0500121/*
122 * You can use this to mark a wiphy_idx as not having an associated wiphy.
Johannes Berg79c97e92009-07-07 03:56:12 +0200123 * It guarantees cfg80211_rdev_by_wiphy_idx(wiphy_idx) will return NULL
Luis R. Rodriguez806a9e32009-02-21 00:04:26 -0500124 */
125#define WIPHY_IDX_STALE -1
126
Johannes Berg2a519312009-02-10 21:25:55 +0100127struct cfg80211_internal_bss {
128 struct list_head list;
129 struct rb_node rbn;
130 unsigned long ts;
131 struct kref ref;
Johannes Berg19957bb2009-07-02 17:20:43 +0200132 atomic_t hold;
Jouni Malinen34a6edd2010-01-06 16:19:24 +0200133 bool beacon_ies_allocated;
134 bool proberesp_ies_allocated;
Kalle Valoa08c1c12009-03-22 21:57:28 +0200135
Johannes Berg2a519312009-02-10 21:25:55 +0100136 /* must be last because of priv member */
137 struct cfg80211_bss pub;
138};
139
Johannes Berg19957bb2009-07-02 17:20:43 +0200140static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub)
141{
142 return container_of(pub, struct cfg80211_internal_bss, pub);
143}
144
Johannes Bergdf7fc0f2009-07-29 11:23:49 +0200145static inline void cfg80211_ref_bss(struct cfg80211_internal_bss *bss)
146{
147 kref_get(&bss->ref);
148}
149
Johannes Berg19957bb2009-07-02 17:20:43 +0200150static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss)
151{
152 atomic_inc(&bss->hold);
153}
154
155static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss)
156{
157 int r = atomic_dec_return(&bss->hold);
158 WARN_ON(r < 0);
159}
160
161
Johannes Berg79c97e92009-07-07 03:56:12 +0200162struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx);
Luis R. Rodriguez806a9e32009-02-21 00:04:26 -0500163int get_wiphy_idx(struct wiphy *wiphy);
164
Johannes Berg4bbf4d52009-03-24 09:35:46 +0100165struct cfg80211_registered_device *
Johannes Berg79c97e92009-07-07 03:56:12 +0200166__cfg80211_rdev_from_info(struct genl_info *info);
Johannes Berg4bbf4d52009-03-24 09:35:46 +0100167
Johannes Berg55682962007-09-20 13:09:35 -0400168/*
169 * This function returns a pointer to the driver
170 * that the genl_info item that is passed refers to.
171 * If successful, it returns non-NULL and also locks
172 * the driver's mutex!
173 *
Johannes Berg4d0c8ae2009-07-07 03:56:09 +0200174 * This means that you need to call cfg80211_unlock_rdev()
Luis R. Rodrigueza1794392009-02-21 00:04:21 -0500175 * before being allowed to acquire &cfg80211_mutex!
Johannes Berg55682962007-09-20 13:09:35 -0400176 *
177 * This is necessary because we need to lock the global
178 * mutex to get an item off the list safely, and then
Johannes Berg79c97e92009-07-07 03:56:12 +0200179 * we lock the rdev mutex so it doesn't go away under us.
Johannes Berg55682962007-09-20 13:09:35 -0400180 *
Luis R. Rodrigueza1794392009-02-21 00:04:21 -0500181 * We don't want to keep cfg80211_mutex locked
Johannes Berg55682962007-09-20 13:09:35 -0400182 * for all the time in order to allow requests on
183 * other interfaces to go through at the same time.
184 *
185 * The result of this can be a PTR_ERR and hence must
186 * be checked with IS_ERR() for errors.
187 */
188extern struct cfg80211_registered_device *
189cfg80211_get_dev_from_info(struct genl_info *info);
190
Johannes Berg79c97e92009-07-07 03:56:12 +0200191/* requires cfg80211_rdev_mutex to be held! */
Luis R. Rodriguez806a9e32009-02-21 00:04:26 -0500192struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
193
Johannes Berg55682962007-09-20 13:09:35 -0400194/* identical to cfg80211_get_dev_from_info but only operate on ifindex */
195extern struct cfg80211_registered_device *
Johannes Berg463d0182009-07-14 00:33:35 +0200196cfg80211_get_dev_from_ifindex(struct net *net, int ifindex);
197
198int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
199 struct net *net);
Johannes Berg55682962007-09-20 13:09:35 -0400200
Johannes Berg79c97e92009-07-07 03:56:12 +0200201static inline void cfg80211_lock_rdev(struct cfg80211_registered_device *rdev)
Johannes Berg667503dd2009-07-07 03:56:11 +0200202{
Johannes Berg79c97e92009-07-07 03:56:12 +0200203 mutex_lock(&rdev->mtx);
Johannes Berg667503dd2009-07-07 03:56:11 +0200204}
205
Johannes Berg79c97e92009-07-07 03:56:12 +0200206static inline void cfg80211_unlock_rdev(struct cfg80211_registered_device *rdev)
Johannes Berg4d0c8ae2009-07-07 03:56:09 +0200207{
Johannes Berg79c97e92009-07-07 03:56:12 +0200208 BUG_ON(IS_ERR(rdev) || !rdev);
209 mutex_unlock(&rdev->mtx);
Johannes Berg4d0c8ae2009-07-07 03:56:09 +0200210}
Johannes Berg55682962007-09-20 13:09:35 -0400211
Johannes Berg667503dd2009-07-07 03:56:11 +0200212static inline void wdev_lock(struct wireless_dev *wdev)
213 __acquires(wdev)
214{
215 mutex_lock(&wdev->mtx);
216 __acquire(wdev->mtx);
217}
218
219static inline void wdev_unlock(struct wireless_dev *wdev)
220 __releases(wdev)
221{
222 __release(wdev->mtx);
223 mutex_unlock(&wdev->mtx);
224}
225
Johannes Berg46a5eba2010-09-15 13:28:15 +0200226#define ASSERT_RDEV_LOCK(rdev) lockdep_assert_held(&(rdev)->mtx)
227#define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx)
Johannes Berg667503dd2009-07-07 03:56:11 +0200228
229enum cfg80211_event_type {
230 EVENT_CONNECT_RESULT,
231 EVENT_ROAMED,
232 EVENT_DISCONNECTED,
233 EVENT_IBSS_JOINED,
234};
235
236struct cfg80211_event {
237 struct list_head list;
238 enum cfg80211_event_type type;
239
240 union {
241 struct {
242 u8 bssid[ETH_ALEN];
243 const u8 *req_ie;
244 const u8 *resp_ie;
245 size_t req_ie_len;
246 size_t resp_ie_len;
247 u16 status;
248 } cr;
249 struct {
Jouni Malinened9d0102011-05-16 19:40:15 +0300250 struct ieee80211_channel *channel;
Johannes Berg667503dd2009-07-07 03:56:11 +0200251 u8 bssid[ETH_ALEN];
252 const u8 *req_ie;
253 const u8 *resp_ie;
254 size_t req_ie_len;
255 size_t resp_ie_len;
256 } rm;
257 struct {
258 const u8 *ie;
259 size_t ie_len;
260 u16 reason;
261 } dc;
262 struct {
263 u8 bssid[ETH_ALEN];
264 } ij;
265 };
266};
267
Johannes Bergfffd0932009-07-08 14:22:54 +0200268struct cfg80211_cached_keys {
269 struct key_params params[6];
270 u8 data[6][WLAN_MAX_KEY_LEN];
271 int def, defmgmt;
272};
273
Johannes Berg667503dd2009-07-07 03:56:11 +0200274
Johannes Berg704232c2007-04-23 12:20:05 -0700275/* free object */
Johannes Berg79c97e92009-07-07 03:56:12 +0200276extern void cfg80211_dev_free(struct cfg80211_registered_device *rdev);
Johannes Berg704232c2007-04-23 12:20:05 -0700277
Johannes Berg79c97e92009-07-07 03:56:12 +0200278extern int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
Johannes Berg55682962007-09-20 13:09:35 -0400279 char *newname);
280
Johannes Berg8318d782008-01-24 19:38:38 +0100281void ieee80211_set_bitrate_flags(struct wiphy *wiphy);
Luis R. Rodriguez7db90f42009-03-09 22:07:41 -0400282void wiphy_update_regulatory(struct wiphy *wiphy,
283 enum nl80211_reg_initiator setby);
Johannes Berg8318d782008-01-24 19:38:38 +0100284
Johannes Berg2a519312009-02-10 21:25:55 +0100285void cfg80211_bss_expire(struct cfg80211_registered_device *dev);
Dan Williamscb3a8ee2009-02-11 17:14:43 -0500286void cfg80211_bss_age(struct cfg80211_registered_device *dev,
287 unsigned long age_secs);
Johannes Berg2a519312009-02-10 21:25:55 +0100288
Johannes Berg04a773a2009-04-19 21:24:32 +0200289/* IBSS */
Johannes Berg667503dd2009-07-07 03:56:11 +0200290int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
291 struct net_device *dev,
Johannes Bergfffd0932009-07-08 14:22:54 +0200292 struct cfg80211_ibss_params *params,
293 struct cfg80211_cached_keys *connkeys);
Johannes Berg04a773a2009-04-19 21:24:32 +0200294int cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
295 struct net_device *dev,
Johannes Bergfffd0932009-07-08 14:22:54 +0200296 struct cfg80211_ibss_params *params,
297 struct cfg80211_cached_keys *connkeys);
Johannes Berg9d308422009-04-20 18:43:46 +0200298void cfg80211_clear_ibss(struct net_device *dev, bool nowext);
Johannes Berg98d3a7c2009-11-18 13:03:43 +0100299int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
300 struct net_device *dev, bool nowext);
Johannes Berg04a773a2009-04-19 21:24:32 +0200301int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
Johannes Berg9d308422009-04-20 18:43:46 +0200302 struct net_device *dev, bool nowext);
Johannes Berg667503dd2009-07-07 03:56:11 +0200303void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid);
Johannes Bergfffd0932009-07-08 14:22:54 +0200304int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
305 struct wireless_dev *wdev);
Johannes Berg04a773a2009-04-19 21:24:32 +0200306
Johannes Berg29cbe682010-12-03 09:20:44 +0100307/* mesh */
308extern const struct mesh_config default_mesh_config;
Javier Cardonac80d5452010-12-16 17:37:49 -0800309extern const struct mesh_setup default_mesh_setup;
Johannes Berg29cbe682010-12-03 09:20:44 +0100310int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
311 struct net_device *dev,
Javier Cardonac80d5452010-12-16 17:37:49 -0800312 const struct mesh_setup *setup,
Johannes Berg29cbe682010-12-03 09:20:44 +0100313 const struct mesh_config *conf);
314int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
315 struct net_device *dev,
Javier Cardonac80d5452010-12-16 17:37:49 -0800316 const struct mesh_setup *setup,
Johannes Berg29cbe682010-12-03 09:20:44 +0100317 const struct mesh_config *conf);
318int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
319 struct net_device *dev);
320
Johannes Berg19957bb2009-07-02 17:20:43 +0200321/* MLME */
Johannes Berg667503dd2009-07-07 03:56:11 +0200322int __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,
Johannes Bergfffd0932009-07-08 14:22:54 +0200328 const u8 *ie, int ie_len,
Jouni Malinend5cdfac2010-04-04 09:37:19 +0300329 const u8 *key, int key_len, int key_idx,
330 bool local_state_change);
Johannes Berg19957bb2009-07-02 17:20:43 +0200331int 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,
Johannes Bergfffd0932009-07-08 14:22:54 +0200335 const u8 *ie, int ie_len,
Jouni Malinend5cdfac2010-04-04 09:37:19 +0300336 const u8 *key, int key_len, int key_idx,
337 bool local_state_change);
Johannes Berg667503dd2009-07-07 03:56:11 +0200338int __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);
Johannes Berg19957bb2009-07-02 17:20:43 +0200345int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
346 struct net_device *dev, struct ieee80211_channel *chan,
Johannes Berg3e5d7642009-07-07 14:37:26 +0200347 const u8 *bssid, const u8 *prev_bssid,
348 const u8 *ssid, int ssid_len,
Johannes Berg19957bb2009-07-02 17:20:43 +0200349 const u8 *ie, int ie_len, bool use_mfp,
350 struct cfg80211_crypto_settings *crypt);
Johannes Berg667503dd2009-07-07 03:56:11 +0200351int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
352 struct net_device *dev, const u8 *bssid,
Jouni Malinend5cdfac2010-04-04 09:37:19 +0300353 const u8 *ie, int ie_len, u16 reason,
354 bool local_state_change);
Johannes Berg19957bb2009-07-02 17:20:43 +0200355int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
356 struct net_device *dev, const u8 *bssid,
Jouni Malinend5cdfac2010-04-04 09:37:19 +0300357 const u8 *ie, int ie_len, u16 reason,
358 bool local_state_change);
Johannes Berg19957bb2009-07-02 17:20:43 +0200359int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
360 struct net_device *dev, const u8 *bssid,
Jouni Malinend5cdfac2010-04-04 09:37:19 +0300361 const u8 *ie, int ie_len, u16 reason,
362 bool local_state_change);
Johannes Berg19957bb2009-07-02 17:20:43 +0200363void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
364 struct net_device *dev);
Johannes Berg667503dd2009-07-07 03:56:11 +0200365void __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,
Johannes Bergdf7fc0f2009-07-29 11:23:49 +0200368 u16 status, bool wextev,
369 struct cfg80211_bss *bss);
Johannes Berg2e161f72010-08-12 15:38:38 +0200370int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
371 u16 frame_type, const u8 *match_data,
372 int match_len);
373void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid);
374void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev);
375int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
376 struct net_device *dev,
Johannes Bergf7ca38d2010-11-25 10:02:29 +0100377 struct ieee80211_channel *chan, bool offchan,
Johannes Berg2e161f72010-08-12 15:38:38 +0200378 enum nl80211_channel_type channel_type,
Johannes Bergf7ca38d2010-11-25 10:02:29 +0100379 bool channel_type_valid, unsigned int wait,
Johannes Berg2e161f72010-08-12 15:38:38 +0200380 const u8 *buf, size_t len, u64 *cookie);
Johannes Berg19957bb2009-07-02 17:20:43 +0200381
Samuel Ortizb23aa672009-07-01 21:26:54 +0200382/* SME */
Johannes Berg667503dd2009-07-07 03:56:11 +0200383int __cfg80211_connect(struct cfg80211_registered_device *rdev,
384 struct net_device *dev,
Johannes Bergfffd0932009-07-08 14:22:54 +0200385 struct cfg80211_connect_params *connect,
Johannes Bergf401a6f2009-08-07 14:51:05 +0200386 struct cfg80211_cached_keys *connkeys,
387 const u8 *prev_bssid);
Samuel Ortizb23aa672009-07-01 21:26:54 +0200388int cfg80211_connect(struct cfg80211_registered_device *rdev,
389 struct net_device *dev,
Johannes Bergfffd0932009-07-08 14:22:54 +0200390 struct cfg80211_connect_params *connect,
391 struct cfg80211_cached_keys *connkeys);
Johannes Berg667503dd2009-07-07 03:56:11 +0200392int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
393 struct net_device *dev, u16 reason,
394 bool wextev);
Samuel Ortizb23aa672009-07-01 21:26:54 +0200395int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
Johannes Bergf2129352009-07-01 21:26:56 +0200396 struct net_device *dev, u16 reason,
397 bool wextev);
Jouni Malinened9d0102011-05-16 19:40:15 +0300398void __cfg80211_roamed(struct wireless_dev *wdev,
399 struct ieee80211_channel *channel,
400 const u8 *bssid,
Johannes Berg667503dd2009-07-07 03:56:11 +0200401 const u8 *req_ie, size_t req_ie_len,
402 const u8 *resp_ie, size_t resp_ie_len);
Johannes Bergfffd0932009-07-08 14:22:54 +0200403int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
404 struct wireless_dev *wdev);
Samuel Ortizb23aa672009-07-01 21:26:54 +0200405
Johannes Berg6829c872009-07-02 09:13:27 +0200406void cfg80211_conn_work(struct work_struct *work);
Johannes Berg7d930bc2009-10-20 15:08:53 +0900407void cfg80211_sme_failed_assoc(struct wireless_dev *wdev);
Johannes Bergf401a6f2009-08-07 14:51:05 +0200408bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev);
Johannes Berg6829c872009-07-02 09:13:27 +0200409
Johannes Berg08645122009-05-11 13:54:58 +0200410/* internal helpers */
Johannes Bergfffd0932009-07-08 14:22:54 +0200411int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
412 struct key_params *params, int key_idx,
Johannes Berge31b8212010-10-05 19:39:30 +0200413 bool pairwise, const u8 *mac_addr);
Johannes Berg667503dd2009-07-07 03:56:11 +0200414void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
Johannes Berg6829c872009-07-02 09:13:27 +0200415 size_t ie_len, u16 reason, bool from_ap);
416void cfg80211_sme_scan_done(struct net_device *dev);
417void cfg80211_sme_rx_auth(struct net_device *dev, const u8 *buf, size_t len);
Johannes Berg19957bb2009-07-02 17:20:43 +0200418void cfg80211_sme_disassoc(struct net_device *dev, int idx);
Johannes Berg667503dd2009-07-07 03:56:11 +0200419void __cfg80211_scan_done(struct work_struct *wk);
Johannes Berg01a0ac42009-08-20 21:36:16 +0200420void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak);
Luciano Coelho807f8a82011-05-11 17:09:35 +0300421void __cfg80211_sched_scan_results(struct work_struct *wk);
422int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
423 bool driver_initiated);
Johannes Bergfffd0932009-07-08 14:22:54 +0200424void cfg80211_upload_connect_keys(struct wireless_dev *wdev);
Johannes Berg3d54d252009-08-21 14:51:05 +0200425int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
426 struct net_device *dev, enum nl80211_iftype ntype,
427 u32 *flags, struct vif_params *params);
428void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev);
Johannes Berg08645122009-05-11 13:54:58 +0200429
Johannes Berg7527a782011-05-13 10:58:57 +0200430int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,
431 struct wireless_dev *wdev,
432 enum nl80211_iftype iftype);
433
434static inline int
435cfg80211_can_add_interface(struct cfg80211_registered_device *rdev,
436 enum nl80211_iftype iftype)
437{
438 return cfg80211_can_change_interface(rdev, NULL, iftype);
439}
440
Johannes Berg59bbb6f2009-08-07 17:22:35 +0200441struct ieee80211_channel *
Jouni Malinen9588bbd2009-12-23 13:15:41 +0100442rdev_freq_to_chan(struct cfg80211_registered_device *rdev,
443 int freq, enum nl80211_channel_type channel_type);
Johannes Bergf444de02010-05-05 15:25:02 +0200444int cfg80211_set_freq(struct cfg80211_registered_device *rdev,
445 struct wireless_dev *wdev, int freq,
446 enum nl80211_channel_type channel_type);
Johannes Berg59bbb6f2009-08-07 17:22:35 +0200447
John W. Linville254416a2009-12-09 16:43:52 -0500448u16 cfg80211_calculate_bitrate(struct rate_info *rate);
449
Johannes Berg34850ab2011-07-18 18:08:35 +0200450int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
451 const u8 *rates, unsigned int n_rates,
452 u32 *mask);
453
Johannes Berg56d18932011-05-09 18:41:15 +0200454int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
455 u32 beacon_int);
456
Johannes Bergf7969962009-08-21 12:23:49 +0200457#ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS
458#define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond)
459#else
460/*
461 * Trick to enable using it as a condition,
462 * and also not give a warning when it's
463 * not used that way.
464 */
465#define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; })
466#endif
467
Johannes Berg704232c2007-04-23 12:20:05 -0700468#endif /* __NET_WIRELESS_CORE_H */