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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
Johannes Berg704232c2007-04-23 12:20:05 -07008#include <linux/list.h>
9#include <linux/netdevice.h>
Johannes Berg2a519312009-02-10 21:25:55 +010010#include <linux/rbtree.h>
Luis R. Rodriguez1ac61302009-05-02 00:37:21 -040011#include <linux/debugfs.h>
Johannes Berg1f87f7d2009-06-02 13:01:41 +020012#include <linux/rfkill.h>
13#include <linux/workqueue.h>
Johannes Bergc5a7e582012-07-04 13:28:18 +020014#include <linux/rtnetlink.h>
Johannes Berg704232c2007-04-23 12:20:05 -070015#include <net/genetlink.h>
Johannes Berg704232c2007-04-23 12:20:05 -070016#include <net/cfg80211.h>
Luis R. Rodriguez3f2355c2008-11-12 14:22:02 -080017#include "reg.h"
Johannes Berg704232c2007-04-23 12:20:05 -070018
Johannes Bergf4173762012-12-03 18:23:37 +010019
20#define WIPHY_IDX_INVALID -1
21
Johannes Berg704232c2007-04-23 12:20:05 -070022struct cfg80211_registered_device {
David Kilroy3dcf6702009-05-16 23:13:46 +010023 const struct cfg80211_ops *ops;
Johannes Berg704232c2007-04-23 12:20:05 -070024 struct list_head list;
Johannes Berg704232c2007-04-23 12:20:05 -070025
Johannes Berg1f87f7d2009-06-02 13:01:41 +020026 /* rfkill support */
27 struct rfkill_ops rfkill_ops;
28 struct rfkill *rfkill;
29 struct work_struct rfkill_sync;
30
Luis R. Rodriguez3f2355c2008-11-12 14:22:02 -080031 /* ISO / IEC 3166 alpha2 for which this device is receiving
32 * country IEs on, this can help disregard country IEs from APs
33 * on the same alpha2 quickly. The alpha2 may differ from
34 * cfg80211_regdomain's alpha2 when an intersection has occurred.
35 * If the AP is reconfigured this can also be used to tell us if
36 * the country on the country IE changed. */
37 char country_ie_alpha2[2];
38
Jonathan Doronb0d7aa52014-12-15 19:26:00 +020039 /*
40 * the driver requests the regulatory core to set this regulatory
41 * domain as the wiphy's. Only used for %REGULATORY_WIPHY_SELF_MANAGED
42 * devices using the regulatory_set_wiphy_regd() API
43 */
44 const struct ieee80211_regdomain *requested_regd;
45
Luis R. Rodriguez3f2355c2008-11-12 14:22:02 -080046 /* If a Country IE has been received this tells us the environment
47 * which its telling us its in. This defaults to ENVIRON_ANY */
48 enum environment_cap env;
49
Johannes Berg704232c2007-04-23 12:20:05 -070050 /* wiphy index, internal only */
Luis R. Rodriguezb5850a72009-02-21 00:04:19 -050051 int wiphy_idx;
Johannes Berg704232c2007-04-23 12:20:05 -070052
Johannes Berg53873f12016-05-03 16:52:04 +030053 /* protected by RTNL */
Johannes Berg89a54e42012-06-15 14:33:17 +020054 int devlist_generation, wdev_id;
Johannes Berg8b9b2f02016-05-03 16:26:40 +030055 int opencount;
Johannes Bergad002392009-08-18 19:51:57 +020056 wait_queue_head_t dev_wait;
Johannes Berg704232c2007-04-23 12:20:05 -070057
Ben Greear37c73b52012-10-26 14:49:25 -070058 struct list_head beacon_registrations;
59 spinlock_t beacon_registrations_lock;
Johannes Berg5e7602302011-11-04 11:18:17 +010060
Johannes Berg33d87832015-06-23 17:47:05 +020061 struct list_head mlme_unreg;
62 spinlock_t mlme_unreg_lock;
63 struct work_struct mlme_unreg_wk;
64
Johannes Bergc5a7e582012-07-04 13:28:18 +020065 /* protected by RTNL only */
Michal Kaziordbbae262012-06-29 12:47:01 +020066 int num_running_ifaces;
67 int num_running_monitor_ifaces;
68
Johannes Berg2a519312009-02-10 21:25:55 +010069 /* BSSes/scanning */
70 spinlock_t bss_lock;
71 struct list_head bss_list;
72 struct rb_root bss_tree;
73 u32 bss_generation;
74 struct cfg80211_scan_request *scan_req; /* protected by RTNL */
Johannes Bergf9d15d12014-01-22 11:14:19 +020075 struct sk_buff *scan_msg;
Jukka Rissanen31a60ed2014-12-15 13:25:38 +020076 struct cfg80211_sched_scan_request __rcu *sched_scan_req;
Dan Williamscb3a8ee2009-02-11 17:14:43 -050077 unsigned long suspend_at;
Johannes Berg667503dd2009-07-07 03:56:11 +020078 struct work_struct scan_done_wk;
Luciano Coelho807f8a82011-05-11 17:09:35 +030079 struct work_struct sched_scan_results_wk;
Johannes Berg2a519312009-02-10 21:25:55 +010080
Johannes Bergad7e7182013-11-13 13:37:47 +010081 struct genl_info *cur_cmd_info;
Johannes Bergaff89a92009-07-01 21:26:51 +020082
Johannes Berg6829c872009-07-02 09:13:27 +020083 struct work_struct conn_work;
Johannes Berg667503dd2009-07-07 03:56:11 +020084 struct work_struct event_work;
Johannes Berg6829c872009-07-02 09:13:27 +020085
Simon Wunderlich04f39042013-02-08 18:16:19 +010086 struct delayed_work dfs_update_channels_wk;
87
Arend van Spriel5de17982013-04-18 15:49:00 +020088 /* netlink port which started critical protocol (0 means not started) */
89 u32 crit_proto_nlportid;
90
Amitkumar Karwarbe29b992013-06-28 11:51:26 -070091 struct cfg80211_coalesce *coalesce;
92
Johannes Berg78f22b62014-03-24 17:57:27 +010093 spinlock_t destroy_list_lock;
94 struct list_head destroy_list;
95 struct work_struct destroy_work;
96
Jukka Rissanen93a1e862014-12-15 13:25:39 +020097 struct work_struct sched_scan_stop_wk;
98
Johannes Berg704232c2007-04-23 12:20:05 -070099 /* must be last because of the way we do wiphy_priv(),
100 * and it should at least be aligned to NETDEV_ALIGN */
Johannes Berg1c06ef92012-12-28 12:22:02 +0100101 struct wiphy wiphy __aligned(NETDEV_ALIGN);
Johannes Berg704232c2007-04-23 12:20:05 -0700102};
103
104static inline
Zhao, Gangf26cbf42014-04-21 12:53:03 +0800105struct cfg80211_registered_device *wiphy_to_rdev(struct wiphy *wiphy)
Johannes Berg704232c2007-04-23 12:20:05 -0700106{
107 BUG_ON(!wiphy);
108 return container_of(wiphy, struct cfg80211_registered_device, wiphy);
109}
110
Johannes Bergff1b6e62011-05-04 15:37:28 +0200111static inline void
112cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev)
113{
Johannes Berg6abb9cb2013-05-15 09:30:07 +0200114#ifdef CONFIG_PM
Johannes Bergff1b6e62011-05-04 15:37:28 +0200115 int i;
116
Johannes Berg6abb9cb2013-05-15 09:30:07 +0200117 if (!rdev->wiphy.wowlan_config)
Johannes Bergff1b6e62011-05-04 15:37:28 +0200118 return;
Johannes Berg6abb9cb2013-05-15 09:30:07 +0200119 for (i = 0; i < rdev->wiphy.wowlan_config->n_patterns; i++)
120 kfree(rdev->wiphy.wowlan_config->patterns[i].mask);
121 kfree(rdev->wiphy.wowlan_config->patterns);
122 if (rdev->wiphy.wowlan_config->tcp &&
123 rdev->wiphy.wowlan_config->tcp->sock)
124 sock_release(rdev->wiphy.wowlan_config->tcp->sock);
125 kfree(rdev->wiphy.wowlan_config->tcp);
Luciano Coelho8cd4d452014-09-17 11:55:28 +0300126 kfree(rdev->wiphy.wowlan_config->nd_config);
Johannes Berg6abb9cb2013-05-15 09:30:07 +0200127 kfree(rdev->wiphy.wowlan_config);
128#endif
Johannes Bergff1b6e62011-05-04 15:37:28 +0200129}
Alban Browaeyse60d7442009-11-25 15:13:00 +0100130
131extern struct workqueue_struct *cfg80211_wq;
Johannes Berg79c97e92009-07-07 03:56:12 +0200132extern struct list_head cfg80211_rdev_list;
Johannes Bergf5ea9122009-08-07 16:17:38 +0200133extern int cfg80211_rdev_list_generation;
Johannes Berg704232c2007-04-23 12:20:05 -0700134
Johannes Berg2a519312009-02-10 21:25:55 +0100135struct cfg80211_internal_bss {
136 struct list_head list;
Johannes Berg776b3582013-02-01 02:06:18 +0100137 struct list_head hidden_list;
Johannes Berg2a519312009-02-10 21:25:55 +0100138 struct rb_node rbn;
Dmitry Shmidt6e19bc42015-10-07 11:32:53 +0200139 u64 ts_boottime;
Johannes Berg2a519312009-02-10 21:25:55 +0100140 unsigned long ts;
Johannes Berg776b3582013-02-01 02:06:18 +0100141 unsigned long refcount;
Johannes Berg19957bb2009-07-02 17:20:43 +0200142 atomic_t hold;
Kalle Valoa08c1c12009-03-22 21:57:28 +0200143
Avraham Stern1d762502016-07-05 17:10:13 +0300144 /* time at the start of the reception of the first octet of the
145 * timestamp field of the last beacon/probe received for this BSS.
146 * The time is the TSF of the BSS specified by %parent_bssid.
147 */
148 u64 parent_tsf;
149
150 /* the BSS according to which %parent_tsf is set. This is set to
151 * the BSS that the interface that requested the scan was connected to
152 * when the beacon/probe was received.
153 */
154 u8 parent_bssid[ETH_ALEN] __aligned(2);
155
Johannes Berg2a519312009-02-10 21:25:55 +0100156 /* must be last because of priv member */
157 struct cfg80211_bss pub;
158};
159
Johannes Berg19957bb2009-07-02 17:20:43 +0200160static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub)
161{
162 return container_of(pub, struct cfg80211_internal_bss, pub);
163}
164
165static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss)
166{
167 atomic_inc(&bss->hold);
168}
169
170static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss)
171{
172 int r = atomic_dec_return(&bss->hold);
173 WARN_ON(r < 0);
174}
175
176
Johannes Berg79c97e92009-07-07 03:56:12 +0200177struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx);
Luis R. Rodriguez806a9e32009-02-21 00:04:26 -0500178int get_wiphy_idx(struct wiphy *wiphy);
179
Luis R. Rodriguez806a9e32009-02-21 00:04:26 -0500180struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx);
181
Johannes Berg463d0182009-07-14 00:33:35 +0200182int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
183 struct net *net);
Johannes Berg55682962007-09-20 13:09:35 -0400184
Johannes Berg667503dd2009-07-07 03:56:11 +0200185static inline void wdev_lock(struct wireless_dev *wdev)
186 __acquires(wdev)
187{
188 mutex_lock(&wdev->mtx);
189 __acquire(wdev->mtx);
190}
191
192static inline void wdev_unlock(struct wireless_dev *wdev)
193 __releases(wdev)
194{
195 __release(wdev->mtx);
196 mutex_unlock(&wdev->mtx);
197}
198
Johannes Berg46a5eba2010-09-15 13:28:15 +0200199#define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx)
Johannes Berg667503dd2009-07-07 03:56:11 +0200200
Michal Kaziordbbae262012-06-29 12:47:01 +0200201static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev)
202{
Johannes Bergc5a7e582012-07-04 13:28:18 +0200203 ASSERT_RTNL();
Michal Kaziordbbae262012-06-29 12:47:01 +0200204
205 return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces &&
206 rdev->num_running_ifaces > 0;
207}
208
Johannes Berg667503dd2009-07-07 03:56:11 +0200209enum cfg80211_event_type {
210 EVENT_CONNECT_RESULT,
211 EVENT_ROAMED,
212 EVENT_DISCONNECTED,
213 EVENT_IBSS_JOINED,
Michal Kaziorf04c2202014-04-09 15:11:01 +0200214 EVENT_STOPPED,
Johannes Berg667503dd2009-07-07 03:56:11 +0200215};
216
217struct cfg80211_event {
218 struct list_head list;
219 enum cfg80211_event_type type;
220
221 union {
222 struct {
223 u8 bssid[ETH_ALEN];
224 const u8 *req_ie;
225 const u8 *resp_ie;
226 size_t req_ie_len;
227 size_t resp_ie_len;
Kanchanapally, Vidyullathae7054982016-04-11 15:16:01 +0530228 struct cfg80211_bss *bss;
Jouni Malinenbf1ecd22016-05-31 00:16:50 +0300229 int status; /* -1 = failed; 0..65535 = status code */
Johannes Berg667503dd2009-07-07 03:56:11 +0200230 } cr;
231 struct {
Johannes Berg667503dd2009-07-07 03:56:11 +0200232 const u8 *req_ie;
233 const u8 *resp_ie;
234 size_t req_ie_len;
235 size_t resp_ie_len;
Vasanthakumar Thiagarajanadbde342011-12-08 14:28:47 +0530236 struct cfg80211_bss *bss;
Johannes Berg667503dd2009-07-07 03:56:11 +0200237 } rm;
238 struct {
239 const u8 *ie;
240 size_t ie_len;
241 u16 reason;
Johannes Berg80279fb2015-05-22 16:22:20 +0200242 bool locally_generated;
Johannes Berg667503dd2009-07-07 03:56:11 +0200243 } dc;
244 struct {
245 u8 bssid[ETH_ALEN];
Antonio Quartullife94f3a2014-01-29 17:53:43 +0100246 struct ieee80211_channel *channel;
Johannes Berg667503dd2009-07-07 03:56:11 +0200247 } ij;
248 };
249};
250
Johannes Bergfffd0932009-07-08 14:22:54 +0200251struct cfg80211_cached_keys {
252 struct key_params params[6];
253 u8 data[6][WLAN_MAX_KEY_LEN];
254 int def, defmgmt;
255};
256
Michal Kazior26ab9a02012-06-29 12:47:00 +0200257enum cfg80211_chan_mode {
258 CHAN_MODE_UNDEFINED,
259 CHAN_MODE_SHARED,
260 CHAN_MODE_EXCLUSIVE,
261};
262
Ben Greear37c73b52012-10-26 14:49:25 -0700263struct cfg80211_beacon_registration {
264 struct list_head list;
265 u32 nlportid;
266};
Johannes Berg667503dd2009-07-07 03:56:11 +0200267
Johannes Berg78f22b62014-03-24 17:57:27 +0100268struct cfg80211_iface_destroy {
269 struct list_head list;
270 u32 nlportid;
271};
272
273void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev);
274
Johannes Berg704232c2007-04-23 12:20:05 -0700275/* free object */
Joe Perchesc1b12032013-10-18 13:48:25 -0700276void cfg80211_dev_free(struct cfg80211_registered_device *rdev);
Johannes Berg704232c2007-04-23 12:20:05 -0700277
Joe Perchesc1b12032013-10-18 13:48:25 -0700278int cfg80211_dev_rename(struct cfg80211_registered_device *rdev,
279 char *newname);
Johannes Berg55682962007-09-20 13:09:35 -0400280
Johannes Berg8318d782008-01-24 19:38:38 +0100281void ieee80211_set_bitrate_flags(struct wiphy *wiphy);
Johannes Berg8318d782008-01-24 19:38:38 +0100282
Zhao, Gang1b8ec872014-04-21 12:53:02 +0800283void cfg80211_bss_expire(struct cfg80211_registered_device *rdev);
284void cfg80211_bss_age(struct cfg80211_registered_device *rdev,
Dan Williamscb3a8ee2009-02-11 17:14:43 -0500285 unsigned long age_secs);
Johannes Berg2a519312009-02-10 21:25:55 +0100286
Johannes Berg04a773a2009-04-19 21:24:32 +0200287/* IBSS */
288int 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);
Antonio Quartullife94f3a2014-01-29 17:53:43 +0100297void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid,
298 struct ieee80211_channel *channel);
Johannes Bergfffd0932009-07-08 14:22:54 +0200299int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev,
300 struct wireless_dev *wdev);
Johannes Berg04a773a2009-04-19 21:24:32 +0200301
Johannes Berg29cbe682010-12-03 09:20:44 +0100302/* mesh */
303extern const struct mesh_config default_mesh_config;
Javier Cardonac80d5452010-12-16 17:37:49 -0800304extern const struct mesh_setup default_mesh_setup;
Johannes Berg29cbe682010-12-03 09:20:44 +0100305int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
306 struct net_device *dev,
Johannes Bergcc1d2802012-05-16 23:50:20 +0200307 struct mesh_setup *setup,
Johannes Berg29cbe682010-12-03 09:20:44 +0100308 const struct mesh_config *conf);
309int cfg80211_join_mesh(struct cfg80211_registered_device *rdev,
310 struct net_device *dev,
Johannes Bergcc1d2802012-05-16 23:50:20 +0200311 struct mesh_setup *setup,
Johannes Berg29cbe682010-12-03 09:20:44 +0100312 const struct mesh_config *conf);
Michal Kaziorf04c2202014-04-09 15:11:01 +0200313int __cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
314 struct net_device *dev);
Johannes Berg29cbe682010-12-03 09:20:44 +0100315int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev,
316 struct net_device *dev);
Johannes Berg683b6d32012-11-08 21:25:48 +0100317int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev,
318 struct wireless_dev *wdev,
319 struct cfg80211_chan_def *chandef);
Johannes Berg29cbe682010-12-03 09:20:44 +0100320
Rostislav Lisovy6e0bd6c2014-11-03 10:33:18 +0100321/* OCB */
322int __cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
323 struct net_device *dev,
324 struct ocb_setup *setup);
325int cfg80211_join_ocb(struct cfg80211_registered_device *rdev,
326 struct net_device *dev,
327 struct ocb_setup *setup);
328int __cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
329 struct net_device *dev);
330int cfg80211_leave_ocb(struct cfg80211_registered_device *rdev,
331 struct net_device *dev);
332
Michal Kazior60771782012-06-29 12:46:56 +0200333/* AP */
Michal Kaziorf04c2202014-04-09 15:11:01 +0200334int __cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
335 struct net_device *dev, bool notify);
Michal Kazior60771782012-06-29 12:46:56 +0200336int cfg80211_stop_ap(struct cfg80211_registered_device *rdev,
Ilan Peer7c8d5e02014-02-25 15:33:38 +0200337 struct net_device *dev, bool notify);
Michal Kazior60771782012-06-29 12:46:56 +0200338
Johannes Berg19957bb2009-07-02 17:20:43 +0200339/* MLME */
340int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev,
Johannes Berg91bf9b22013-05-15 17:44:01 +0200341 struct net_device *dev,
342 struct ieee80211_channel *chan,
343 enum nl80211_auth_type auth_type,
344 const u8 *bssid,
Johannes Berg19957bb2009-07-02 17:20:43 +0200345 const u8 *ssid, int ssid_len,
Johannes Bergfffd0932009-07-08 14:22:54 +0200346 const u8 *ie, int ie_len,
Jouni Malinene39e5b52012-09-30 19:29:39 +0300347 const u8 *key, int key_len, int key_idx,
348 const u8 *sae_data, int sae_data_len);
Johannes Berg19957bb2009-07-02 17:20:43 +0200349int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev,
Johannes Bergf62fab72013-02-21 20:09:09 +0100350 struct net_device *dev,
351 struct ieee80211_channel *chan,
352 const u8 *bssid,
Johannes Berg3e5d7642009-07-07 14:37:26 +0200353 const u8 *ssid, int ssid_len,
Johannes Bergf62fab72013-02-21 20:09:09 +0100354 struct cfg80211_assoc_request *req);
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 Berg2e161f72010-08-12 15:38:38 +0200365int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid,
366 u16 frame_type, const u8 *match_data,
367 int match_len);
Johannes Berg33d87832015-06-23 17:47:05 +0200368void cfg80211_mlme_unreg_wk(struct work_struct *wk);
Johannes Berg2e161f72010-08-12 15:38:38 +0200369void 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,
Johannes Berg71bbc992012-06-15 15:30:18 +0200372 struct wireless_dev *wdev,
Andrei Otcheretianskib176e622013-11-18 19:06:49 +0200373 struct cfg80211_mgmt_tx_params *params,
374 u64 *cookie);
Ben Greear7e7c8922011-11-18 11:31:59 -0800375void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa,
376 const struct ieee80211_ht_cap *ht_capa_mask);
Johannes Bergee2aca32013-02-21 17:36:01 +0100377void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa,
378 const struct ieee80211_vht_cap *vht_capa_mask);
Johannes Berg19957bb2009-07-02 17:20:43 +0200379
Johannes Bergceca7b72013-05-16 00:55:45 +0200380/* SME events */
Samuel Ortizb23aa672009-07-01 21:26:54 +0200381int cfg80211_connect(struct cfg80211_registered_device *rdev,
382 struct net_device *dev,
Johannes Bergfffd0932009-07-08 14:22:54 +0200383 struct cfg80211_connect_params *connect,
Johannes Berg83739b02013-05-15 17:44:01 +0200384 struct cfg80211_cached_keys *connkeys,
385 const u8 *prev_bssid);
Johannes Bergceca7b72013-05-16 00:55:45 +0200386void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid,
387 const u8 *req_ie, size_t req_ie_len,
388 const u8 *resp_ie, size_t resp_ie_len,
Jouni Malinenbf1ecd22016-05-31 00:16:50 +0300389 int status, bool wextev,
Johannes Bergceca7b72013-05-16 00:55:45 +0200390 struct cfg80211_bss *bss);
391void __cfg80211_disconnected(struct net_device *dev, const u8 *ie,
392 size_t ie_len, u16 reason, bool from_ap);
Samuel Ortizb23aa672009-07-01 21:26:54 +0200393int cfg80211_disconnect(struct cfg80211_registered_device *rdev,
Johannes Bergf2129352009-07-01 21:26:56 +0200394 struct net_device *dev, u16 reason,
395 bool wextev);
Jouni Malinened9d0102011-05-16 19:40:15 +0300396void __cfg80211_roamed(struct wireless_dev *wdev,
Vasanthakumar Thiagarajanadbde342011-12-08 14:28:47 +0530397 struct cfg80211_bss *bss,
Johannes Berg667503dd2009-07-07 03:56:11 +0200398 const u8 *req_ie, size_t req_ie_len,
399 const u8 *resp_ie, size_t resp_ie_len);
Johannes Bergfffd0932009-07-08 14:22:54 +0200400int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev,
401 struct wireless_dev *wdev);
Samuel Ortizb23aa672009-07-01 21:26:54 +0200402
Johannes Bergceca7b72013-05-16 00:55:45 +0200403/* SME implementation */
Johannes Berg6829c872009-07-02 09:13:27 +0200404void cfg80211_conn_work(struct work_struct *work);
Johannes Bergceca7b72013-05-16 00:55:45 +0200405void cfg80211_sme_scan_done(struct net_device *dev);
406bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status);
407void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len);
408void cfg80211_sme_disassoc(struct wireless_dev *wdev);
409void cfg80211_sme_deauth(struct wireless_dev *wdev);
410void cfg80211_sme_auth_timeout(struct wireless_dev *wdev);
411void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev);
Johannes Berg6829c872009-07-02 09:13:27 +0200412
Johannes Berg08645122009-05-11 13:54:58 +0200413/* internal helpers */
Jouni Malinen38ba3c52011-09-21 18:14:56 +0300414bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher);
Johannes Bergfffd0932009-07-08 14:22:54 +0200415int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev,
416 struct key_params *params, int key_idx,
Johannes Berge31b8212010-10-05 19:39:30 +0200417 bool pairwise, const u8 *mac_addr);
Johannes Berg667503dd2009-07-07 03:56:11 +0200418void __cfg80211_scan_done(struct work_struct *wk);
Johannes Bergf9d15d12014-01-22 11:14:19 +0200419void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev,
420 bool send_message);
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);
Daniel Drake1f6fc432012-08-02 18:41:48 +0100429void cfg80211_process_wdev_events(struct wireless_dev *wdev);
Johannes Berg08645122009-05-11 13:54:58 +0200430
Janusz Dziedzicfe7c3a12013-11-05 14:48:48 +0100431/**
432 * cfg80211_chandef_dfs_usable - checks if chandef is DFS usable
433 * @wiphy: the wiphy to validate against
434 * @chandef: the channel definition to check
435 *
436 * Checks if chandef is usable and we can/need start CAC on such channel.
437 *
438 * Return: Return true if all channels available and at least
439 * one channel require CAC (NL80211_DFS_USABLE)
440 */
441bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy,
442 const struct cfg80211_chan_def *chandef);
443
Simon Wunderlich04f39042013-02-08 18:16:19 +0100444void cfg80211_set_dfs_state(struct wiphy *wiphy,
445 const struct cfg80211_chan_def *chandef,
446 enum nl80211_dfs_state dfs_state);
447
448void cfg80211_dfs_channels_update_work(struct work_struct *work);
449
Janusz Dziedzic31559f32014-02-21 19:46:13 +0100450unsigned int
451cfg80211_chandef_dfs_cac_time(struct wiphy *wiphy,
452 const struct cfg80211_chan_def *chandef);
Simon Wunderlich04f39042013-02-08 18:16:19 +0100453
Simon Wunderlich04f39042013-02-08 18:16:19 +0100454static inline unsigned int elapsed_jiffies_msecs(unsigned long start)
455{
456 unsigned long end = jiffies;
457
458 if (end >= start)
459 return jiffies_to_msecs(end - start);
460
Eliad Peller0ce12022014-06-17 13:07:02 +0300461 return jiffies_to_msecs(end + (ULONG_MAX - start) + 1);
Simon Wunderlich04f39042013-02-08 18:16:19 +0100462}
463
Michal Kazior26ab9a02012-06-29 12:47:00 +0200464void
Johannes Berg8e95ea42012-07-10 19:39:02 +0200465cfg80211_get_chan_state(struct wireless_dev *wdev,
Michal Kazior26ab9a02012-06-29 12:47:00 +0200466 struct ieee80211_channel **chan,
Michal Kazior9e0e2962014-01-29 14:22:27 +0100467 enum cfg80211_chan_mode *chanmode,
468 u8 *radar_detect);
Michal Kazior26ab9a02012-06-29 12:47:00 +0200469
Johannes Berge8c9bd52012-06-06 08:18:22 +0200470int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev,
Johannes Berg683b6d32012-11-08 21:25:48 +0100471 struct cfg80211_chan_def *chandef);
Johannes Berg59bbb6f2009-08-07 17:22:35 +0200472
Johannes Berg34850ab2011-07-18 18:08:35 +0200473int ieee80211_get_ratemask(struct ieee80211_supported_band *sband,
474 const u8 *rates, unsigned int n_rates,
475 u32 *mask);
476
Johannes Berg56d18932011-05-09 18:41:15 +0200477int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev,
478 u32 beacon_int);
479
Michal Kaziordbbae262012-06-29 12:47:01 +0200480void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev,
481 enum nl80211_iftype iftype, int num);
482
Michal Kaziorf04c2202014-04-09 15:11:01 +0200483void __cfg80211_leave(struct cfg80211_registered_device *rdev,
484 struct wireless_dev *wdev);
Stanislaw Gruszka81256962013-02-28 10:55:25 +0100485void cfg80211_leave(struct cfg80211_registered_device *rdev,
486 struct wireless_dev *wdev);
487
Johannes Bergf9f47522013-03-19 15:04:07 +0100488void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev,
489 struct wireless_dev *wdev);
490
Michal Kaziord4e50c52012-06-29 12:47:07 +0200491#define CFG80211_MAX_NUM_DIFFERENT_CHANNELS 10
492
Johannes Bergf7969962009-08-21 12:23:49 +0200493#ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS
494#define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond)
495#else
496/*
497 * Trick to enable using it as a condition,
498 * and also not give a warning when it's
499 * not used that way.
500 */
501#define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; })
502#endif
503
Johannes Berg704232c2007-04-23 12:20:05 -0700504#endif /* __NET_WIRELESS_CORE_H */