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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 Berg5e760232011-11-04 11:18:17 +010057 u32 ap_beacons_nlpid;
58
Johannes Berg2a519312009-02-10 21:25:55 +010059 /* 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 */
Luciano Coelho807f8a82011-05-11 17:09:35 +030065 struct cfg80211_sched_scan_request *sched_scan_req;
Dan Williamscb3a8ee2009-02-11 17:14:43 -050066 unsigned long suspend_at;
Johannes Berg667503d2009-07-07 03:56:11 +020067 struct work_struct scan_done_wk;
Luciano Coelho807f8a82011-05-11 17:09:35 +030068 struct work_struct sched_scan_results_wk;
Johannes Berg2a519312009-02-10 21:25:55 +010069
Luciano Coelhoc10841c2011-06-30 08:32:41 +030070 struct mutex sched_scan_mtx;
71
Johannes Bergaff89a92009-07-01 21:26:51 +020072#ifdef CONFIG_NL80211_TESTMODE
73 struct genl_info *testmode_info;
74#endif
75
Johannes Berg6829c872009-07-02 09:13:27 +020076 struct work_struct conn_work;
Johannes Berg667503d2009-07-07 03:56:11 +020077 struct work_struct event_work;
Johannes Berg6829c872009-07-02 09:13:27 +020078
Johannes Bergff1b6e62011-05-04 15:37:28 +020079 struct cfg80211_wowlan *wowlan;
80
Johannes Berg704232c2007-04-23 12:20:05 -070081 /* must be last because of the way we do wiphy_priv(),
82 * and it should at least be aligned to NETDEV_ALIGN */
83 struct wiphy wiphy __attribute__((__aligned__(NETDEV_ALIGN)));
84};
85
86static inline
87struct cfg80211_registered_device *wiphy_to_dev(struct wiphy *wiphy)
88{
89 BUG_ON(!wiphy);
90 return container_of(wiphy, struct cfg80211_registered_device, wiphy);
91}
92
Luis R. Rodriguez85fd1292009-02-21 00:04:20 -050093/* Note 0 is valid, hence phy0 */
94static inline
95bool wiphy_idx_valid(int wiphy_idx)
96{
Eric Dumazeta02cec22010-09-22 20:43:57 +000097 return wiphy_idx >= 0;
Luis R. Rodriguez85fd1292009-02-21 00:04:20 -050098}
99
Johannes Bergff1b6e62011-05-04 15:37:28 +0200100static inline void
101cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev)
102{
103 int i;
104
105 if (!rdev->wowlan)
106 return;
107 for (i = 0; i < rdev->wowlan->n_patterns; i++)
108 kfree(rdev->wowlan->patterns[i].mask);
109 kfree(rdev->wowlan->patterns);
110 kfree(rdev->wowlan);
111}
Alban Browaeyse60d7442009-11-25 15:13:00 +0100112
113extern struct workqueue_struct *cfg80211_wq;
Luis R. Rodrigueza1794392009-02-21 00:04:21 -0500114extern struct mutex cfg80211_mutex;
Johannes Berg79c97e92009-07-07 03:56:12 +0200115extern struct list_head cfg80211_rdev_list;
Johannes Bergf5ea9122009-08-07 16:17:38 +0200116extern int cfg80211_rdev_list_generation;
Johannes Berg704232c2007-04-23 12:20:05 -0700117
Johannes Berg46a5eba2010-09-15 13:28:15 +0200118static inline void assert_cfg80211_lock(void)
119{
120 lockdep_assert_held(&cfg80211_mutex);
121}
Luis R. Rodriguez761cf7e2009-02-21 00:04:25 -0500122
Luis R. Rodriguez806a9e32009-02-21 00:04:26 -0500123/*
124 * You can use this to mark a wiphy_idx as not having an associated wiphy.
Johannes Berg79c97e92009-07-07 03:56:12 +0200125 * It guarantees cfg80211_rdev_by_wiphy_idx(wiphy_idx) will return NULL
Luis R. Rodriguez806a9e32009-02-21 00:04:26 -0500126 */
127#define WIPHY_IDX_STALE -1
128
Johannes Berg2a519312009-02-10 21:25:55 +0100129struct cfg80211_internal_bss {
130 struct list_head list;
131 struct rb_node rbn;
132 unsigned long ts;
133 struct kref ref;
Johannes Berg19957bb2009-07-02 17:20:43 +0200134 atomic_t hold;
Jouni Malinen34a6edd2010-01-06 16:19:24 +0200135 bool beacon_ies_allocated;
136 bool proberesp_ies_allocated;
Kalle Valoa08c1c12009-03-22 21:57:28 +0200137
Johannes Berg2a519312009-02-10 21:25:55 +0100138 /* must be last because of priv member */
139 struct cfg80211_bss pub;
140};
141
Johannes Berg19957bb2009-07-02 17:20:43 +0200142static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub)
143{
144 return container_of(pub, struct cfg80211_internal_bss, pub);
145}
146
147static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss)
148{
149 atomic_inc(&bss->hold);
150}
151
152static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss)
153{
154 int r = atomic_dec_return(&bss->hold);
155 WARN_ON(r < 0);
156}
157
158
Johannes Berg79c97e92009-07-07 03:56:12 +0200159struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx);
Luis R. Rodriguez806a9e32009-02-21 00:04:26 -0500160int get_wiphy_idx(struct wiphy *wiphy);
161
Johannes Berg4bbf4d52009-03-24 09:35:46 +0100162struct cfg80211_registered_device *
Johannes Berg79c97e92009-07-07 03:56:12 +0200163__cfg80211_rdev_from_info(struct genl_info *info);
Johannes Berg4bbf4d52009-03-24 09:35:46 +0100164
Johannes Berg55682962007-09-20 13:09:35 -0400165/*
166 * This function returns a pointer to the driver
167 * that the genl_info item that is passed refers to.
168 * If successful, it returns non-NULL and also locks
169 * the driver's mutex!
170 *
Johannes Berg4d0c8ae2009-07-07 03:56:09 +0200171 * This means that you need to call cfg80211_unlock_rdev()
Luis R. Rodrigueza1794392009-02-21 00:04:21 -0500172 * before being allowed to acquire &cfg80211_mutex!
Johannes Berg55682962007-09-20 13:09:35 -0400173 *
174 * This is necessary because we need to lock the global
175 * mutex to get an item off the list safely, and then
Johannes Berg79c97e92009-07-07 03:56:12 +0200176 * we lock the rdev mutex so it doesn't go away under us.
Johannes Berg55682962007-09-20 13:09:35 -0400177 *
Luis R. Rodrigueza1794392009-02-21 00:04:21 -0500178 * We don't want to keep cfg80211_mutex locked
Johannes Berg55682962007-09-20 13:09:35 -0400179 * for all the time in order to allow requests on
180 * other interfaces to go through at the same time.
181 *
182 * The result of this can be a PTR_ERR and hence must
183 * be checked with IS_ERR() for errors.
184 */
185extern struct cfg80211_registered_device *
186cfg80211_get_dev_from_info(struct genl_info *info);
187
Johannes Berg79c97e92009-07-07 03:56:12 +0200188/* requires cfg80211_rdev_mutex to be held! */
Luis R. Rodriguez806a9e32009-02-21 00:04:26 -0500189struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
190
Johannes Berg55682962007-09-20 13:09:35 -0400191/* identical to cfg80211_get_dev_from_info but only operate on ifindex */
192extern struct cfg80211_registered_device *
Johannes Berg463d0182009-07-14 00:33:35 +0200193cfg80211_get_dev_from_ifindex(struct net *net, int ifindex);
194
195int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
196 struct net *net);
Johannes Berg55682962007-09-20 13:09:35 -0400197
Johannes Berg79c97e92009-07-07 03:56:12 +0200198static inline void cfg80211_lock_rdev(struct cfg80211_registered_device *rdev)
Johannes Berg667503d2009-07-07 03:56:11 +0200199{
Johannes Berg79c97e92009-07-07 03:56:12 +0200200 mutex_lock(&rdev->mtx);
Johannes Berg667503d2009-07-07 03:56:11 +0200201}
202
Johannes Berg79c97e92009-07-07 03:56:12 +0200203static inline void cfg80211_unlock_rdev(struct cfg80211_registered_device *rdev)
Johannes Berg4d0c8ae2009-07-07 03:56:09 +0200204{
Johannes Berg79c97e92009-07-07 03:56:12 +0200205 BUG_ON(IS_ERR(rdev) || !rdev);
206 mutex_unlock(&rdev->mtx);
Johannes Berg4d0c8ae2009-07-07 03:56:09 +0200207}
Johannes Berg55682962007-09-20 13:09:35 -0400208
Johannes Berg667503d2009-07-07 03:56:11 +0200209static inline void wdev_lock(struct wireless_dev *wdev)
210 __acquires(wdev)
211{
212 mutex_lock(&wdev->mtx);
213 __acquire(wdev->mtx);
214}
215
216static inline void wdev_unlock(struct wireless_dev *wdev)
217 __releases(wdev)
218{
219 __release(wdev->mtx);
220 mutex_unlock(&wdev->mtx);
221}
222
Johannes Berg46a5eba2010-09-15 13:28:15 +0200223#define ASSERT_RDEV_LOCK(rdev) lockdep_assert_held(&(rdev)->mtx)
224#define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx)
Johannes Berg667503d2009-07-07 03:56:11 +0200225
226enum cfg80211_event_type {
227 EVENT_CONNECT_RESULT,
228 EVENT_ROAMED,
229 EVENT_DISCONNECTED,
230 EVENT_IBSS_JOINED,
231};
232
233struct cfg80211_event {
234 struct list_head list;
235 enum cfg80211_event_type type;
236
237 union {
238 struct {
239 u8 bssid[ETH_ALEN];
240 const u8 *req_ie;
241 const u8 *resp_ie;
242 size_t req_ie_len;
243 size_t resp_ie_len;
244 u16 status;
245 } cr;
246 struct {
Johannes Berg667503d2009-07-07 03:56:11 +0200247 const u8 *req_ie;
248 const u8 *resp_ie;
249 size_t req_ie_len;
250 size_t resp_ie_len;
Vasanthakumar Thiagarajanadbde342011-12-08 14:28:47 +0530251 struct cfg80211_bss *bss;
Johannes Berg667503d2009-07-07 03:56:11 +0200252 } rm;
253 struct {
254 const u8 *ie;
255 size_t ie_len;
256 u16 reason;
257 } dc;
258 struct {
259 u8 bssid[ETH_ALEN];
260 } ij;
261 };
262};
263
Johannes Bergfffd0932009-07-08 14:22:54 +0200264struct cfg80211_cached_keys {
265 struct key_params params[6];
266 u8 data[6][WLAN_MAX_KEY_LEN];
267 int def, defmgmt;
268};
269
Johannes Berg667503d2009-07-07 03:56:11 +0200270
Johannes Berg704232c2007-04-23 12:20:05 -0700271/* free object */
Johannes Berg79c97e92009-07-07 03:56:12 +0200272extern void cfg80211_dev_free(struct cfg80211_registered_device *rdev);
Johannes Berg704232c2007-04-23 12:20:05 -0700273
Johannes Berg79c97e92009-07-07 03:56:12 +0200274extern int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
Johannes Berg55682962007-09-20 13:09:35 -0400275 char *newname);
276
Johannes Berg8318d782008-01-24 19:38:38 +0100277void ieee80211_set_bitrate_flags(struct wiphy *wiphy);
Johannes Berg8318d782008-01-24 19:38:38 +0100278
Johannes Berg2a519312009-02-10 21:25:55 +0100279void cfg80211_bss_expire(struct cfg80211_registered_device *dev);
Dan Williamscb3a8ee2009-02-11 17:14:43 -0500280void cfg80211_bss_age(struct cfg80211_registered_device *dev,
281 unsigned long age_secs);
Johannes Berg2a519312009-02-10 21:25:55 +0100282
Johannes Berg04a773a2009-04-19 21:24:32 +0200283/* IBSS */
Johannes Berg667503d2009-07-07 03:56:11 +0200284int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
285 struct net_device *dev,
Johannes Bergfffd0932009-07-08 14:22:54 +0200286 struct cfg80211_ibss_params *params,
287 struct cfg80211_cached_keys *connkeys);
Johannes Berg04a773a2009-04-19 21:24:32 +0200288int cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
289 struct net_device *dev,
Johannes Bergfffd0932009-07-08 14:22:54 +0200290 struct cfg80211_ibss_params *params,
291 struct cfg80211_cached_keys *connkeys);
Johannes Berg9d308422009-04-20 18:43:46 +0200292void cfg80211_clear_ibss(struct net_device *dev, bool nowext);
Johannes Berg98d3a7c2009-11-18 13:03:43 +0100293int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
294 struct net_device *dev, bool nowext);
Johannes Berg04a773a2009-04-19 21:24:32 +0200295int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
Johannes Berg9d308422009-04-20 18:43:46 +0200296 struct net_device *dev, bool nowext);
Johannes Berg667503d2009-07-07 03:56:11 +0200297void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid);
Johannes Bergfffd0932009-07-08 14:22:54 +0200298int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
299 struct wireless_dev *wdev);
Johannes Berg04a773a2009-04-19 21:24:32 +0200300
Johannes Berg29cbe682010-12-03 09:20:44 +0100301/* mesh */
302extern const struct mesh_config default_mesh_config;
Javier Cardonac80d5452010-12-16 17:37:49 -0800303extern const struct mesh_setup default_mesh_setup;
Johannes Berg29cbe682010-12-03 09:20:44 +0100304int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
305 struct net_device *dev,
Javier Cardonac80d5452010-12-16 17:37:49 -0800306 const struct mesh_setup *setup,
Johannes Berg29cbe682010-12-03 09:20:44 +0100307 const struct mesh_config *conf);
308int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
309 struct net_device *dev,
Javier Cardonac80d5452010-12-16 17:37:49 -0800310 const struct mesh_setup *setup,
Johannes Berg29cbe682010-12-03 09:20:44 +0100311 const struct mesh_config *conf);
312int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
313 struct net_device *dev);
314
Johannes Berg19957bb2009-07-02 17:20:43 +0200315/* MLME */
Johannes Berg667503d2009-07-07 03:56:11 +0200316int __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,
Johannes Bergfffd0932009-07-08 14:22:54 +0200322 const u8 *ie, int ie_len,
Johannes Berg95de8172012-01-20 13:55:25 +0100323 const u8 *key, int key_len, int key_idx);
Johannes Berg19957bb2009-07-02 17:20:43 +0200324int 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,
Johannes Bergfffd0932009-07-08 14:22:54 +0200328 const u8 *ie, int ie_len,
Johannes Berg95de8172012-01-20 13:55:25 +0100329 const u8 *key, int key_len, int key_idx);
Johannes Berg667503d2009-07-07 03:56:11 +0200330int __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,
Ben Greear7e7c8922011-11-18 11:31:59 -0800336 struct cfg80211_crypto_settings *crypt,
337 u32 assoc_flags, struct ieee80211_ht_cap *ht_capa,
338 struct ieee80211_ht_cap *ht_capa_mask);
Johannes Berg19957bb2009-07-02 17:20:43 +0200339int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
340 struct net_device *dev, struct ieee80211_channel *chan,
Johannes Berg3e5d7642009-07-07 14:37:26 +0200341 const u8 *bssid, const u8 *prev_bssid,
342 const u8 *ssid, int ssid_len,
Johannes Berg19957bb2009-07-02 17:20:43 +0200343 const u8 *ie, int ie_len, bool use_mfp,
Ben Greear7e7c8922011-11-18 11:31:59 -0800344 struct cfg80211_crypto_settings *crypt,
345 u32 assoc_flags, struct ieee80211_ht_cap *ht_capa,
346 struct ieee80211_ht_cap *ht_capa_mask);
Johannes Berg667503d2009-07-07 03:56:11 +0200347int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
348 struct net_device *dev, const u8 *bssid,
Jouni Malinend5cdfac2010-04-04 09:37:19 +0300349 const u8 *ie, int ie_len, u16 reason,
350 bool local_state_change);
Johannes Berg19957bb2009-07-02 17:20:43 +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_disassoc(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 +0200359void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
360 struct net_device *dev);
Johannes Berg667503d2009-07-07 03:56:11 +0200361void __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,
Johannes Bergdf7fc0f2009-07-29 11:23:49 +0200364 u16 status, bool wextev,
365 struct cfg80211_bss *bss);
Johannes Berg2e161f72010-08-12 15:38:38 +0200366int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
367 u16 frame_type, const u8 *match_data,
368 int match_len);
369void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid);
370void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev);
371int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
372 struct net_device *dev,
Johannes Bergf7ca38d2010-11-25 10:02:29 +0100373 struct ieee80211_channel *chan, bool offchan,
Johannes Berg2e161f72010-08-12 15:38:38 +0200374 enum nl80211_channel_type channel_type,
Johannes Bergf7ca38d2010-11-25 10:02:29 +0100375 bool channel_type_valid, unsigned int wait,
Rajkumar Manoharane9f935e2011-09-25 14:53:30 +0530376 const u8 *buf, size_t len, bool no_cck,
Johannes Berge247bd902011-11-04 11:18:21 +0100377 bool dont_wait_for_ack, u64 *cookie);
Ben Greear7e7c8922011-11-18 11:31:59 -0800378void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa,
379 const struct ieee80211_ht_cap *ht_capa_mask);
Johannes Berg19957bb2009-07-02 17:20:43 +0200380
Samuel Ortizb23aa672009-07-01 21:26:54 +0200381/* SME */
Johannes Berg667503d2009-07-07 03:56:11 +0200382int __cfg80211_connect(struct cfg80211_registered_device *rdev,
383 struct net_device *dev,
Johannes Bergfffd0932009-07-08 14:22:54 +0200384 struct cfg80211_connect_params *connect,
Johannes Bergf401a6f2009-08-07 14:51:05 +0200385 struct cfg80211_cached_keys *connkeys,
386 const u8 *prev_bssid);
Samuel Ortizb23aa672009-07-01 21:26:54 +0200387int cfg80211_connect(struct cfg80211_registered_device *rdev,
388 struct net_device *dev,
Johannes Bergfffd0932009-07-08 14:22:54 +0200389 struct cfg80211_connect_params *connect,
390 struct cfg80211_cached_keys *connkeys);
Johannes Berg667503d2009-07-07 03:56:11 +0200391int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
392 struct net_device *dev, u16 reason,
393 bool wextev);
Samuel Ortizb23aa672009-07-01 21:26:54 +0200394int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
Johannes Bergf2129352009-07-01 21:26:56 +0200395 struct net_device *dev, u16 reason,
396 bool wextev);
Jouni Malinened9d0102011-05-16 19:40:15 +0300397void __cfg80211_roamed(struct wireless_dev *wdev,
Vasanthakumar Thiagarajanadbde342011-12-08 14:28:47 +0530398 struct cfg80211_bss *bss,
Johannes Berg667503d2009-07-07 03:56:11 +0200399 const u8 *req_ie, size_t req_ie_len,
400 const u8 *resp_ie, size_t resp_ie_len);
Johannes Bergfffd0932009-07-08 14:22:54 +0200401int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
402 struct wireless_dev *wdev);
Samuel Ortizb23aa672009-07-01 21:26:54 +0200403
Johannes Berg6829c872009-07-02 09:13:27 +0200404void cfg80211_conn_work(struct work_struct *work);
Johannes Berg7d930bc2009-10-20 15:08:53 +0900405void cfg80211_sme_failed_assoc(struct wireless_dev *wdev);
Johannes Bergf401a6f2009-08-07 14:51:05 +0200406bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev);
Johannes Berg6829c872009-07-02 09:13:27 +0200407
Johannes Berg08645122009-05-11 13:54:58 +0200408/* internal helpers */
Jouni Malinen38ba3c52011-09-21 18:14:56 +0300409bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher);
Johannes Bergfffd0932009-07-08 14:22:54 +0200410int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
411 struct key_params *params, int key_idx,
Johannes Berge31b8212010-10-05 19:39:30 +0200412 bool pairwise, const u8 *mac_addr);
Johannes Berg667503d2009-07-07 03:56:11 +0200413void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
Johannes Berg6829c872009-07-02 09:13:27 +0200414 size_t ie_len, u16 reason, bool from_ap);
415void cfg80211_sme_scan_done(struct net_device *dev);
416void cfg80211_sme_rx_auth(struct net_device *dev, const u8 *buf, size_t len);
Johannes Berg95de8172012-01-20 13:55:25 +0100417void cfg80211_sme_disassoc(struct net_device *dev,
418 struct cfg80211_internal_bss *bss);
Johannes Berg667503d2009-07-07 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);
Sunil Dutt Undekari08166fc2012-03-05 21:01:23 +0530449int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
450 const u8 *rates, unsigned int n_rates,
451 u32 *mask);
John W. Linville254416a2009-12-09 16:43:52 -0500452
Johannes Berg34850ab2011-07-18 18:08:35 +0200453int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
454 const u8 *rates, unsigned int n_rates,
455 u32 *mask);
456
Johannes Berg56d18932011-05-09 18:41:15 +0200457int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
458 u32 beacon_int);
459
Johannes Bergf7969962009-08-21 12:23:49 +0200460#ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS
461#define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond)
462#else
463/*
464 * Trick to enable using it as a condition,
465 * and also not give a warning when it's
466 * not used that way.
467 */
468#define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; })
469#endif
470
Johannes Berg704232c2007-04-23 12:20:05 -0700471#endif /* __NET_WIRELESS_CORE_H */