blob: 2e8532476e4fabb5d814301218e303dd0f930fc4 [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 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
Leo Chang21b770c2014-01-15 19:22:28 -080072 struct genl_info *cur_cmd_info;
Johannes Bergaff89a92009-07-01 21:26:51 +020073
Johannes Berg6829c872009-07-02 09:13:27 +020074 struct work_struct conn_work;
Johannes Berg667503d2009-07-07 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
145static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss)
146{
147 atomic_inc(&bss->hold);
148}
149
150static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss)
151{
152 int r = atomic_dec_return(&bss->hold);
153 WARN_ON(r < 0);
154}
155
156
Johannes Berg79c97e92009-07-07 03:56:12 +0200157struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx);
Luis R. Rodriguez806a9e32009-02-21 00:04:26 -0500158int get_wiphy_idx(struct wiphy *wiphy);
159
Johannes Berg4bbf4d52009-03-24 09:35:46 +0100160struct cfg80211_registered_device *
Johannes Berg79c97e92009-07-07 03:56:12 +0200161__cfg80211_rdev_from_info(struct genl_info *info);
Johannes Berg4bbf4d52009-03-24 09:35:46 +0100162
Johannes Berg55682962007-09-20 13:09:35 -0400163/*
164 * This function returns a pointer to the driver
165 * that the genl_info item that is passed refers to.
166 * If successful, it returns non-NULL and also locks
167 * the driver's mutex!
168 *
Johannes Berg4d0c8ae2009-07-07 03:56:09 +0200169 * This means that you need to call cfg80211_unlock_rdev()
Luis R. Rodrigueza1794392009-02-21 00:04:21 -0500170 * before being allowed to acquire &cfg80211_mutex!
Johannes Berg55682962007-09-20 13:09:35 -0400171 *
172 * This is necessary because we need to lock the global
173 * mutex to get an item off the list safely, and then
Johannes Berg79c97e92009-07-07 03:56:12 +0200174 * we lock the rdev mutex so it doesn't go away under us.
Johannes Berg55682962007-09-20 13:09:35 -0400175 *
Luis R. Rodrigueza1794392009-02-21 00:04:21 -0500176 * We don't want to keep cfg80211_mutex locked
Johannes Berg55682962007-09-20 13:09:35 -0400177 * for all the time in order to allow requests on
178 * other interfaces to go through at the same time.
179 *
180 * The result of this can be a PTR_ERR and hence must
181 * be checked with IS_ERR() for errors.
182 */
183extern struct cfg80211_registered_device *
184cfg80211_get_dev_from_info(struct genl_info *info);
185
Johannes Berg79c97e92009-07-07 03:56:12 +0200186/* requires cfg80211_rdev_mutex to be held! */
Luis R. Rodriguez806a9e32009-02-21 00:04:26 -0500187struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
188
Johannes Berg55682962007-09-20 13:09:35 -0400189/* identical to cfg80211_get_dev_from_info but only operate on ifindex */
190extern struct cfg80211_registered_device *
Johannes Berg463d0182009-07-14 00:33:35 +0200191cfg80211_get_dev_from_ifindex(struct net *net, int ifindex);
192
193int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
194 struct net *net);
Johannes Berg55682962007-09-20 13:09:35 -0400195
Johannes Berg79c97e92009-07-07 03:56:12 +0200196static inline void cfg80211_lock_rdev(struct cfg80211_registered_device *rdev)
Johannes Berg667503d2009-07-07 03:56:11 +0200197{
Johannes Berg79c97e92009-07-07 03:56:12 +0200198 mutex_lock(&rdev->mtx);
Johannes Berg667503d2009-07-07 03:56:11 +0200199}
200
Johannes Berg79c97e92009-07-07 03:56:12 +0200201static inline void cfg80211_unlock_rdev(struct cfg80211_registered_device *rdev)
Johannes Berg4d0c8ae2009-07-07 03:56:09 +0200202{
Johannes Berg79c97e92009-07-07 03:56:12 +0200203 BUG_ON(IS_ERR(rdev) || !rdev);
204 mutex_unlock(&rdev->mtx);
Johannes Berg4d0c8ae2009-07-07 03:56:09 +0200205}
Johannes Berg55682962007-09-20 13:09:35 -0400206
Johannes Berg667503d2009-07-07 03:56:11 +0200207static inline void wdev_lock(struct wireless_dev *wdev)
208 __acquires(wdev)
209{
210 mutex_lock(&wdev->mtx);
211 __acquire(wdev->mtx);
212}
213
214static inline void wdev_unlock(struct wireless_dev *wdev)
215 __releases(wdev)
216{
217 __release(wdev->mtx);
218 mutex_unlock(&wdev->mtx);
219}
220
Johannes Berg46a5eba2010-09-15 13:28:15 +0200221#define ASSERT_RDEV_LOCK(rdev) lockdep_assert_held(&(rdev)->mtx)
222#define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx)
Johannes Berg667503d2009-07-07 03:56:11 +0200223
224enum cfg80211_event_type {
225 EVENT_CONNECT_RESULT,
226 EVENT_ROAMED,
227 EVENT_DISCONNECTED,
228 EVENT_IBSS_JOINED,
229};
230
231struct cfg80211_event {
232 struct list_head list;
233 enum cfg80211_event_type type;
234
235 union {
236 struct {
237 u8 bssid[ETH_ALEN];
238 const u8 *req_ie;
239 const u8 *resp_ie;
240 size_t req_ie_len;
241 size_t resp_ie_len;
242 u16 status;
243 } cr;
244 struct {
Johannes Berg667503d2009-07-07 03:56:11 +0200245 const u8 *req_ie;
246 const u8 *resp_ie;
247 size_t req_ie_len;
248 size_t resp_ie_len;
Vasanthakumar Thiagarajanadbde342011-12-08 14:28:47 +0530249 struct cfg80211_bss *bss;
Johannes Berg667503d2009-07-07 03:56:11 +0200250 } rm;
251 struct {
252 const u8 *ie;
253 size_t ie_len;
254 u16 reason;
255 } dc;
256 struct {
257 u8 bssid[ETH_ALEN];
258 } ij;
259 };
260};
261
Johannes Bergfffd0932009-07-08 14:22:54 +0200262struct cfg80211_cached_keys {
263 struct key_params params[6];
264 u8 data[6][WLAN_MAX_KEY_LEN];
265 int def, defmgmt;
266};
267
Johannes Berg667503d2009-07-07 03:56:11 +0200268
Johannes Berg704232c2007-04-23 12:20:05 -0700269/* free object */
Johannes Berg79c97e92009-07-07 03:56:12 +0200270extern void cfg80211_dev_free(struct cfg80211_registered_device *rdev);
Johannes Berg704232c2007-04-23 12:20:05 -0700271
Johannes Berg79c97e92009-07-07 03:56:12 +0200272extern int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
Johannes Berg55682962007-09-20 13:09:35 -0400273 char *newname);
274
Johannes Berg8318d782008-01-24 19:38:38 +0100275void ieee80211_set_bitrate_flags(struct wiphy *wiphy);
Johannes Berg8318d782008-01-24 19:38:38 +0100276
Johannes Berg2a519312009-02-10 21:25:55 +0100277void cfg80211_bss_expire(struct cfg80211_registered_device *dev);
Dan Williamscb3a8ee2009-02-11 17:14:43 -0500278void cfg80211_bss_age(struct cfg80211_registered_device *dev,
279 unsigned long age_secs);
Johannes Berg2a519312009-02-10 21:25:55 +0100280
Johannes Berg04a773a2009-04-19 21:24:32 +0200281/* IBSS */
Johannes Berg667503d2009-07-07 03:56:11 +0200282int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
283 struct net_device *dev,
Johannes Bergfffd0932009-07-08 14:22:54 +0200284 struct cfg80211_ibss_params *params,
285 struct cfg80211_cached_keys *connkeys);
Johannes Berg04a773a2009-04-19 21:24:32 +0200286int cfg80211_join_ibss(struct cfg80211_registered_device *rdev,
287 struct net_device *dev,
Johannes Bergfffd0932009-07-08 14:22:54 +0200288 struct cfg80211_ibss_params *params,
289 struct cfg80211_cached_keys *connkeys);
Johannes Berg9d308422009-04-20 18:43:46 +0200290void cfg80211_clear_ibss(struct net_device *dev, bool nowext);
Johannes Berg98d3a7c2009-11-18 13:03:43 +0100291int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
292 struct net_device *dev, bool nowext);
Johannes Berg04a773a2009-04-19 21:24:32 +0200293int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev,
Johannes Berg9d308422009-04-20 18:43:46 +0200294 struct net_device *dev, bool nowext);
Johannes Berg667503d2009-07-07 03:56:11 +0200295void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid);
Johannes Bergfffd0932009-07-08 14:22:54 +0200296int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
297 struct wireless_dev *wdev);
Johannes Berg04a773a2009-04-19 21:24:32 +0200298
Johannes Berg29cbe682010-12-03 09:20:44 +0100299/* mesh */
300extern const struct mesh_config default_mesh_config;
Javier Cardonac80d5452010-12-16 17:37:49 -0800301extern const struct mesh_setup default_mesh_setup;
Johannes Berg29cbe682010-12-03 09:20:44 +0100302int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
303 struct net_device *dev,
Javier Cardonac80d5452010-12-16 17:37:49 -0800304 const struct mesh_setup *setup,
Johannes Berg29cbe682010-12-03 09:20:44 +0100305 const struct mesh_config *conf);
306int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
307 struct net_device *dev,
Javier Cardonac80d5452010-12-16 17:37:49 -0800308 const struct mesh_setup *setup,
Johannes Berg29cbe682010-12-03 09:20:44 +0100309 const struct mesh_config *conf);
310int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
311 struct net_device *dev);
312
Johannes Berg19957bb2009-07-02 17:20:43 +0200313/* MLME */
Johannes Berg667503d2009-07-07 03:56:11 +0200314int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
315 struct net_device *dev,
316 struct ieee80211_channel *chan,
317 enum nl80211_auth_type auth_type,
318 const u8 *bssid,
319 const u8 *ssid, int ssid_len,
Johannes Bergfffd0932009-07-08 14:22:54 +0200320 const u8 *ie, int ie_len,
Johannes Berg95de8172012-01-20 13:55:25 +0100321 const u8 *key, int key_len, int key_idx);
Johannes Berg19957bb2009-07-02 17:20:43 +0200322int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
323 struct net_device *dev, struct ieee80211_channel *chan,
324 enum nl80211_auth_type auth_type, const u8 *bssid,
325 const u8 *ssid, int ssid_len,
Johannes Bergfffd0932009-07-08 14:22:54 +0200326 const u8 *ie, int ie_len,
Johannes Berg95de8172012-01-20 13:55:25 +0100327 const u8 *key, int key_len, int key_idx);
Johannes Berg667503d2009-07-07 03:56:11 +0200328int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
329 struct net_device *dev,
330 struct ieee80211_channel *chan,
331 const u8 *bssid, const u8 *prev_bssid,
332 const u8 *ssid, int ssid_len,
333 const u8 *ie, int ie_len, bool use_mfp,
Ben Greear7e7c8922011-11-18 11:31:59 -0800334 struct cfg80211_crypto_settings *crypt,
335 u32 assoc_flags, struct ieee80211_ht_cap *ht_capa,
336 struct ieee80211_ht_cap *ht_capa_mask);
Johannes Berg19957bb2009-07-02 17:20:43 +0200337int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
338 struct net_device *dev, struct ieee80211_channel *chan,
Johannes Berg3e5d7642009-07-07 14:37:26 +0200339 const u8 *bssid, const u8 *prev_bssid,
340 const u8 *ssid, int ssid_len,
Johannes Berg19957bb2009-07-02 17:20:43 +0200341 const u8 *ie, int ie_len, bool use_mfp,
Ben Greear7e7c8922011-11-18 11:31:59 -0800342 struct cfg80211_crypto_settings *crypt,
343 u32 assoc_flags, struct ieee80211_ht_cap *ht_capa,
344 struct ieee80211_ht_cap *ht_capa_mask);
Johannes Berg667503d2009-07-07 03:56:11 +0200345int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
346 struct net_device *dev, const u8 *bssid,
Jouni Malinend5cdfac2010-04-04 09:37:19 +0300347 const u8 *ie, int ie_len, u16 reason,
348 bool local_state_change);
Johannes Berg19957bb2009-07-02 17:20:43 +0200349int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev,
350 struct net_device *dev, const u8 *bssid,
Jouni Malinend5cdfac2010-04-04 09:37:19 +0300351 const u8 *ie, int ie_len, u16 reason,
352 bool local_state_change);
Johannes Berg19957bb2009-07-02 17:20:43 +0200353int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev,
354 struct net_device *dev, const u8 *bssid,
Jouni Malinend5cdfac2010-04-04 09:37:19 +0300355 const u8 *ie, int ie_len, u16 reason,
356 bool local_state_change);
Johannes Berg19957bb2009-07-02 17:20:43 +0200357void cfg80211_mlme_down(struct cfg80211_registered_device *rdev,
358 struct net_device *dev);
Johannes Berg667503d2009-07-07 03:56:11 +0200359void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
360 const u8 *req_ie, size_t req_ie_len,
361 const u8 *resp_ie, size_t resp_ie_len,
Johannes Bergdf7fc0f2009-07-29 11:23:49 +0200362 u16 status, bool wextev,
363 struct cfg80211_bss *bss);
Johannes Berg2e161f72010-08-12 15:38:38 +0200364int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
365 u16 frame_type, const u8 *match_data,
366 int match_len);
367void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid);
368void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev);
369int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev,
370 struct net_device *dev,
Johannes Bergf7ca38d2010-11-25 10:02:29 +0100371 struct ieee80211_channel *chan, bool offchan,
Johannes Berg2e161f72010-08-12 15:38:38 +0200372 enum nl80211_channel_type channel_type,
Johannes Bergf7ca38d2010-11-25 10:02:29 +0100373 bool channel_type_valid, unsigned int wait,
Rajkumar Manoharane9f935e2011-09-25 14:53:30 +0530374 const u8 *buf, size_t len, bool no_cck,
Johannes Berge247bd902011-11-04 11:18:21 +0100375 bool dont_wait_for_ack, u64 *cookie);
Ben Greear7e7c8922011-11-18 11:31:59 -0800376void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa,
377 const struct ieee80211_ht_cap *ht_capa_mask);
Johannes Berg19957bb2009-07-02 17:20:43 +0200378
Samuel Ortizb23aa672009-07-01 21:26:54 +0200379/* SME */
Johannes Berg667503d2009-07-07 03:56:11 +0200380int __cfg80211_connect(struct cfg80211_registered_device *rdev,
381 struct net_device *dev,
Johannes Bergfffd0932009-07-08 14:22:54 +0200382 struct cfg80211_connect_params *connect,
Johannes Bergf401a6f2009-08-07 14:51:05 +0200383 struct cfg80211_cached_keys *connkeys,
384 const u8 *prev_bssid);
Samuel Ortizb23aa672009-07-01 21:26:54 +0200385int cfg80211_connect(struct cfg80211_registered_device *rdev,
386 struct net_device *dev,
Johannes Bergfffd0932009-07-08 14:22:54 +0200387 struct cfg80211_connect_params *connect,
388 struct cfg80211_cached_keys *connkeys);
Johannes Berg667503d2009-07-07 03:56:11 +0200389int __cfg80211_disconnect(struct cfg80211_registered_device *rdev,
390 struct net_device *dev, u16 reason,
391 bool wextev);
Samuel Ortizb23aa672009-07-01 21:26:54 +0200392int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
Johannes Bergf2129352009-07-01 21:26:56 +0200393 struct net_device *dev, u16 reason,
394 bool wextev);
Jouni Malinened9d0102011-05-16 19:40:15 +0300395void __cfg80211_roamed(struct wireless_dev *wdev,
Vasanthakumar Thiagarajanadbde342011-12-08 14:28:47 +0530396 struct cfg80211_bss *bss,
Johannes Berg667503d2009-07-07 03:56:11 +0200397 const u8 *req_ie, size_t req_ie_len,
398 const u8 *resp_ie, size_t resp_ie_len);
Johannes Bergfffd0932009-07-08 14:22:54 +0200399int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
400 struct wireless_dev *wdev);
Samuel Ortizb23aa672009-07-01 21:26:54 +0200401
Johannes Berg6829c872009-07-02 09:13:27 +0200402void cfg80211_conn_work(struct work_struct *work);
Johannes Berg7d930bc2009-10-20 15:08:53 +0900403void cfg80211_sme_failed_assoc(struct wireless_dev *wdev);
Johannes Bergf401a6f2009-08-07 14:51:05 +0200404bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev);
Johannes Berg6829c872009-07-02 09:13:27 +0200405
Johannes Berg08645122009-05-11 13:54:58 +0200406/* internal helpers */
Jouni Malinen38ba3c52011-09-21 18:14:56 +0300407bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher);
Johannes Bergfffd0932009-07-08 14:22:54 +0200408int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
409 struct key_params *params, int key_idx,
Johannes Berge31b8212010-10-05 19:39:30 +0200410 bool pairwise, const u8 *mac_addr);
Johannes Berg667503d2009-07-07 03:56:11 +0200411void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
Johannes Berg6829c872009-07-02 09:13:27 +0200412 size_t ie_len, u16 reason, bool from_ap);
413void cfg80211_sme_scan_done(struct net_device *dev);
414void cfg80211_sme_rx_auth(struct net_device *dev, const u8 *buf, size_t len);
Johannes Berg95de8172012-01-20 13:55:25 +0100415void cfg80211_sme_disassoc(struct net_device *dev,
416 struct cfg80211_internal_bss *bss);
Johannes Berg667503d2009-07-07 03:56:11 +0200417void __cfg80211_scan_done(struct work_struct *wk);
Johannes Berg01a0ac42009-08-20 21:36:16 +0200418void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak);
Luciano Coelho807f8a82011-05-11 17:09:35 +0300419void __cfg80211_sched_scan_results(struct work_struct *wk);
420int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev,
421 bool driver_initiated);
Johannes Bergfffd0932009-07-08 14:22:54 +0200422void cfg80211_upload_connect_keys(struct wireless_dev *wdev);
Johannes Berg3d54d252009-08-21 14:51:05 +0200423int cfg80211_change_iface(struct cfg80211_registered_device *rdev,
424 struct net_device *dev, enum nl80211_iftype ntype,
425 u32 *flags, struct vif_params *params);
426void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev);
Johannes Berg08645122009-05-11 13:54:58 +0200427
Johannes Berg7527a782011-05-13 10:58:57 +0200428int cfg80211_can_change_interface(struct cfg80211_registered_device *rdev,
429 struct wireless_dev *wdev,
430 enum nl80211_iftype iftype);
431
432static inline int
433cfg80211_can_add_interface(struct cfg80211_registered_device *rdev,
434 enum nl80211_iftype iftype)
435{
436 return cfg80211_can_change_interface(rdev, NULL, iftype);
437}
438
Johannes Berg59bbb6f2009-08-07 17:22:35 +0200439struct ieee80211_channel *
Jouni Malinen9588bbd2009-12-23 13:15:41 +0100440rdev_freq_to_chan(struct cfg80211_registered_device *rdev,
441 int freq, enum nl80211_channel_type channel_type);
Johannes Bergf444de02010-05-05 15:25:02 +0200442int cfg80211_set_freq(struct cfg80211_registered_device *rdev,
443 struct wireless_dev *wdev, int freq,
444 enum nl80211_channel_type channel_type);
Johannes Berg59bbb6f2009-08-07 17:22:35 +0200445
John W. Linville254416a2009-12-09 16:43:52 -0500446u16 cfg80211_calculate_bitrate(struct rate_info *rate);
Sunil Dutt Undekari08166fc2012-03-05 21:01:23 +0530447int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
448 const u8 *rates, unsigned int n_rates,
449 u32 *mask);
John W. Linville254416a2009-12-09 16:43:52 -0500450
Johannes Berg34850ab2011-07-18 18:08:35 +0200451int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
452 const u8 *rates, unsigned int n_rates,
453 u32 *mask);
454
Johannes Berg56d18932011-05-09 18:41:15 +0200455int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
456 u32 beacon_int);
457
Johannes Bergf7969962009-08-21 12:23:49 +0200458#ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS
459#define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond)
460#else
461/*
462 * Trick to enable using it as a condition,
463 * and also not give a warning when it's
464 * not used that way.
465 */
466#define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; })
467#endif
468
Johannes Berg704232c2007-04-23 12:20:05 -0700469#endif /* __NET_WIRELESS_CORE_H */