Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Wireless configuration interface internals. |
| 3 | * |
Johannes Berg | 5f2aa25 | 2010-01-17 15:49:02 +0100 | [diff] [blame] | 4 | * Copyright 2006-2010 Johannes Berg <johannes@sipsolutions.net> |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 5 | */ |
| 6 | #ifndef __NET_WIRELESS_CORE_H |
| 7 | #define __NET_WIRELESS_CORE_H |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 8 | #include <linux/list.h> |
| 9 | #include <linux/netdevice.h> |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 10 | #include <linux/rbtree.h> |
Luis R. Rodriguez | 1ac6130 | 2009-05-02 00:37:21 -0400 | [diff] [blame] | 11 | #include <linux/debugfs.h> |
Johannes Berg | 1f87f7d | 2009-06-02 13:01:41 +0200 | [diff] [blame] | 12 | #include <linux/rfkill.h> |
| 13 | #include <linux/workqueue.h> |
Johannes Berg | c5a7e58 | 2012-07-04 13:28:18 +0200 | [diff] [blame] | 14 | #include <linux/rtnetlink.h> |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 15 | #include <net/genetlink.h> |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 16 | #include <net/cfg80211.h> |
Luis R. Rodriguez | 3f2355c | 2008-11-12 14:22:02 -0800 | [diff] [blame] | 17 | #include "reg.h" |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 18 | |
Johannes Berg | f417376 | 2012-12-03 18:23:37 +0100 | [diff] [blame] | 19 | |
| 20 | #define WIPHY_IDX_INVALID -1 |
| 21 | |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 22 | struct cfg80211_registered_device { |
David Kilroy | 3dcf670 | 2009-05-16 23:13:46 +0100 | [diff] [blame] | 23 | const struct cfg80211_ops *ops; |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 24 | struct list_head list; |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 25 | |
Johannes Berg | 1f87f7d | 2009-06-02 13:01:41 +0200 | [diff] [blame] | 26 | /* rfkill support */ |
| 27 | struct rfkill_ops rfkill_ops; |
| 28 | struct rfkill *rfkill; |
| 29 | struct work_struct rfkill_sync; |
| 30 | |
Luis R. Rodriguez | 3f2355c | 2008-11-12 14:22:02 -0800 | [diff] [blame] | 31 | /* 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 | |
| 39 | /* If a Country IE has been received this tells us the environment |
| 40 | * which its telling us its in. This defaults to ENVIRON_ANY */ |
| 41 | enum environment_cap env; |
| 42 | |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 43 | /* wiphy index, internal only */ |
Luis R. Rodriguez | b5850a7 | 2009-02-21 00:04:19 -0500 | [diff] [blame] | 44 | int wiphy_idx; |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 45 | |
Johannes Berg | 5fe231e | 2013-05-08 21:45:15 +0200 | [diff] [blame] | 46 | /* associated wireless interfaces, protected by rtnl or RCU */ |
Johannes Berg | 89a54e4 | 2012-06-15 14:33:17 +0200 | [diff] [blame] | 47 | struct list_head wdev_list; |
| 48 | int devlist_generation, wdev_id; |
Johannes Berg | ad00239 | 2009-08-18 19:51:57 +0200 | [diff] [blame] | 49 | int opencount; /* also protected by devlist_mtx */ |
| 50 | wait_queue_head_t dev_wait; |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 51 | |
Ben Greear | 37c73b5 | 2012-10-26 14:49:25 -0700 | [diff] [blame] | 52 | struct list_head beacon_registrations; |
| 53 | spinlock_t beacon_registrations_lock; |
Johannes Berg | 5e760230 | 2011-11-04 11:18:17 +0100 | [diff] [blame] | 54 | |
Johannes Berg | c5a7e58 | 2012-07-04 13:28:18 +0200 | [diff] [blame] | 55 | /* protected by RTNL only */ |
Michal Kazior | dbbae26 | 2012-06-29 12:47:01 +0200 | [diff] [blame] | 56 | int num_running_ifaces; |
| 57 | int num_running_monitor_ifaces; |
| 58 | |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 59 | /* 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 */ |
Johannes Berg | f9d15d1 | 2014-01-22 11:14:19 +0200 | [diff] [blame] | 65 | struct sk_buff *scan_msg; |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 66 | struct cfg80211_sched_scan_request *sched_scan_req; |
Dan Williams | cb3a8ee | 2009-02-11 17:14:43 -0500 | [diff] [blame] | 67 | unsigned long suspend_at; |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 68 | struct work_struct scan_done_wk; |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 69 | struct work_struct sched_scan_results_wk; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 70 | |
Johannes Berg | ad7e718 | 2013-11-13 13:37:47 +0100 | [diff] [blame] | 71 | struct genl_info *cur_cmd_info; |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 72 | |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 73 | struct work_struct conn_work; |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 74 | struct work_struct event_work; |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 75 | |
Simon Wunderlich | 04f3904 | 2013-02-08 18:16:19 +0100 | [diff] [blame] | 76 | struct delayed_work dfs_update_channels_wk; |
| 77 | |
Arend van Spriel | 5de1798 | 2013-04-18 15:49:00 +0200 | [diff] [blame] | 78 | /* netlink port which started critical protocol (0 means not started) */ |
| 79 | u32 crit_proto_nlportid; |
| 80 | |
Amitkumar Karwar | be29b99 | 2013-06-28 11:51:26 -0700 | [diff] [blame] | 81 | struct cfg80211_coalesce *coalesce; |
| 82 | |
Johannes Berg | 78f22b6 | 2014-03-24 17:57:27 +0100 | [diff] [blame^] | 83 | spinlock_t destroy_list_lock; |
| 84 | struct list_head destroy_list; |
| 85 | struct work_struct destroy_work; |
| 86 | |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 87 | /* must be last because of the way we do wiphy_priv(), |
| 88 | * and it should at least be aligned to NETDEV_ALIGN */ |
Johannes Berg | 1c06ef9 | 2012-12-28 12:22:02 +0100 | [diff] [blame] | 89 | struct wiphy wiphy __aligned(NETDEV_ALIGN); |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 90 | }; |
| 91 | |
| 92 | static inline |
| 93 | struct cfg80211_registered_device *wiphy_to_dev(struct wiphy *wiphy) |
| 94 | { |
| 95 | BUG_ON(!wiphy); |
| 96 | return container_of(wiphy, struct cfg80211_registered_device, wiphy); |
| 97 | } |
| 98 | |
Johannes Berg | ff1b6e6 | 2011-05-04 15:37:28 +0200 | [diff] [blame] | 99 | static inline void |
| 100 | cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev) |
| 101 | { |
Johannes Berg | 6abb9cb | 2013-05-15 09:30:07 +0200 | [diff] [blame] | 102 | #ifdef CONFIG_PM |
Johannes Berg | ff1b6e6 | 2011-05-04 15:37:28 +0200 | [diff] [blame] | 103 | int i; |
| 104 | |
Johannes Berg | 6abb9cb | 2013-05-15 09:30:07 +0200 | [diff] [blame] | 105 | if (!rdev->wiphy.wowlan_config) |
Johannes Berg | ff1b6e6 | 2011-05-04 15:37:28 +0200 | [diff] [blame] | 106 | return; |
Johannes Berg | 6abb9cb | 2013-05-15 09:30:07 +0200 | [diff] [blame] | 107 | for (i = 0; i < rdev->wiphy.wowlan_config->n_patterns; i++) |
| 108 | kfree(rdev->wiphy.wowlan_config->patterns[i].mask); |
| 109 | kfree(rdev->wiphy.wowlan_config->patterns); |
| 110 | if (rdev->wiphy.wowlan_config->tcp && |
| 111 | rdev->wiphy.wowlan_config->tcp->sock) |
| 112 | sock_release(rdev->wiphy.wowlan_config->tcp->sock); |
| 113 | kfree(rdev->wiphy.wowlan_config->tcp); |
| 114 | kfree(rdev->wiphy.wowlan_config); |
| 115 | #endif |
Johannes Berg | ff1b6e6 | 2011-05-04 15:37:28 +0200 | [diff] [blame] | 116 | } |
Alban Browaeys | e60d744 | 2009-11-25 15:13:00 +0100 | [diff] [blame] | 117 | |
| 118 | extern struct workqueue_struct *cfg80211_wq; |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 119 | extern struct list_head cfg80211_rdev_list; |
Johannes Berg | f5ea912 | 2009-08-07 16:17:38 +0200 | [diff] [blame] | 120 | extern int cfg80211_rdev_list_generation; |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 121 | |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 122 | struct cfg80211_internal_bss { |
| 123 | struct list_head list; |
Johannes Berg | 776b358 | 2013-02-01 02:06:18 +0100 | [diff] [blame] | 124 | struct list_head hidden_list; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 125 | struct rb_node rbn; |
| 126 | unsigned long ts; |
Johannes Berg | 776b358 | 2013-02-01 02:06:18 +0100 | [diff] [blame] | 127 | unsigned long refcount; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 128 | atomic_t hold; |
Kalle Valo | a08c1c1 | 2009-03-22 21:57:28 +0200 | [diff] [blame] | 129 | |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 130 | /* must be last because of priv member */ |
| 131 | struct cfg80211_bss pub; |
| 132 | }; |
| 133 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 134 | static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub) |
| 135 | { |
| 136 | return container_of(pub, struct cfg80211_internal_bss, pub); |
| 137 | } |
| 138 | |
| 139 | static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss) |
| 140 | { |
| 141 | atomic_inc(&bss->hold); |
| 142 | } |
| 143 | |
| 144 | static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss) |
| 145 | { |
| 146 | int r = atomic_dec_return(&bss->hold); |
| 147 | WARN_ON(r < 0); |
| 148 | } |
| 149 | |
| 150 | |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 151 | struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx); |
Luis R. Rodriguez | 806a9e3 | 2009-02-21 00:04:26 -0500 | [diff] [blame] | 152 | int get_wiphy_idx(struct wiphy *wiphy); |
| 153 | |
Luis R. Rodriguez | 806a9e3 | 2009-02-21 00:04:26 -0500 | [diff] [blame] | 154 | struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx); |
| 155 | |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 156 | int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, |
| 157 | struct net *net); |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 158 | |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 159 | static inline void wdev_lock(struct wireless_dev *wdev) |
| 160 | __acquires(wdev) |
| 161 | { |
| 162 | mutex_lock(&wdev->mtx); |
| 163 | __acquire(wdev->mtx); |
| 164 | } |
| 165 | |
| 166 | static inline void wdev_unlock(struct wireless_dev *wdev) |
| 167 | __releases(wdev) |
| 168 | { |
| 169 | __release(wdev->mtx); |
| 170 | mutex_unlock(&wdev->mtx); |
| 171 | } |
| 172 | |
Johannes Berg | 46a5eba | 2010-09-15 13:28:15 +0200 | [diff] [blame] | 173 | #define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx) |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 174 | |
Michal Kazior | dbbae26 | 2012-06-29 12:47:01 +0200 | [diff] [blame] | 175 | static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev) |
| 176 | { |
Johannes Berg | c5a7e58 | 2012-07-04 13:28:18 +0200 | [diff] [blame] | 177 | ASSERT_RTNL(); |
Michal Kazior | dbbae26 | 2012-06-29 12:47:01 +0200 | [diff] [blame] | 178 | |
| 179 | return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces && |
| 180 | rdev->num_running_ifaces > 0; |
| 181 | } |
| 182 | |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 183 | enum cfg80211_event_type { |
| 184 | EVENT_CONNECT_RESULT, |
| 185 | EVENT_ROAMED, |
| 186 | EVENT_DISCONNECTED, |
| 187 | EVENT_IBSS_JOINED, |
| 188 | }; |
| 189 | |
| 190 | struct cfg80211_event { |
| 191 | struct list_head list; |
| 192 | enum cfg80211_event_type type; |
| 193 | |
| 194 | union { |
| 195 | struct { |
| 196 | u8 bssid[ETH_ALEN]; |
| 197 | const u8 *req_ie; |
| 198 | const u8 *resp_ie; |
| 199 | size_t req_ie_len; |
| 200 | size_t resp_ie_len; |
| 201 | u16 status; |
| 202 | } cr; |
| 203 | struct { |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 204 | const u8 *req_ie; |
| 205 | const u8 *resp_ie; |
| 206 | size_t req_ie_len; |
| 207 | size_t resp_ie_len; |
Vasanthakumar Thiagarajan | adbde34 | 2011-12-08 14:28:47 +0530 | [diff] [blame] | 208 | struct cfg80211_bss *bss; |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 209 | } rm; |
| 210 | struct { |
| 211 | const u8 *ie; |
| 212 | size_t ie_len; |
| 213 | u16 reason; |
| 214 | } dc; |
| 215 | struct { |
| 216 | u8 bssid[ETH_ALEN]; |
Antonio Quartulli | fe94f3a | 2014-01-29 17:53:43 +0100 | [diff] [blame] | 217 | struct ieee80211_channel *channel; |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 218 | } ij; |
| 219 | }; |
| 220 | }; |
| 221 | |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 222 | struct cfg80211_cached_keys { |
| 223 | struct key_params params[6]; |
| 224 | u8 data[6][WLAN_MAX_KEY_LEN]; |
| 225 | int def, defmgmt; |
| 226 | }; |
| 227 | |
Michal Kazior | 26ab9a0 | 2012-06-29 12:47:00 +0200 | [diff] [blame] | 228 | enum cfg80211_chan_mode { |
| 229 | CHAN_MODE_UNDEFINED, |
| 230 | CHAN_MODE_SHARED, |
| 231 | CHAN_MODE_EXCLUSIVE, |
| 232 | }; |
| 233 | |
Ben Greear | 37c73b5 | 2012-10-26 14:49:25 -0700 | [diff] [blame] | 234 | struct cfg80211_beacon_registration { |
| 235 | struct list_head list; |
| 236 | u32 nlportid; |
| 237 | }; |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 238 | |
Johannes Berg | 78f22b6 | 2014-03-24 17:57:27 +0100 | [diff] [blame^] | 239 | struct cfg80211_iface_destroy { |
| 240 | struct list_head list; |
| 241 | u32 nlportid; |
| 242 | }; |
| 243 | |
| 244 | void cfg80211_destroy_ifaces(struct cfg80211_registered_device *rdev); |
| 245 | |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 246 | /* free object */ |
Joe Perches | c1b1203 | 2013-10-18 13:48:25 -0700 | [diff] [blame] | 247 | void cfg80211_dev_free(struct cfg80211_registered_device *rdev); |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 248 | |
Joe Perches | c1b1203 | 2013-10-18 13:48:25 -0700 | [diff] [blame] | 249 | int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, |
| 250 | char *newname); |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 251 | |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 252 | void ieee80211_set_bitrate_flags(struct wiphy *wiphy); |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 253 | |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 254 | void cfg80211_bss_expire(struct cfg80211_registered_device *dev); |
Dan Williams | cb3a8ee | 2009-02-11 17:14:43 -0500 | [diff] [blame] | 255 | void cfg80211_bss_age(struct cfg80211_registered_device *dev, |
| 256 | unsigned long age_secs); |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 257 | |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 258 | /* IBSS */ |
| 259 | int cfg80211_join_ibss(struct cfg80211_registered_device *rdev, |
| 260 | struct net_device *dev, |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 261 | struct cfg80211_ibss_params *params, |
| 262 | struct cfg80211_cached_keys *connkeys); |
Johannes Berg | 9d30842 | 2009-04-20 18:43:46 +0200 | [diff] [blame] | 263 | void cfg80211_clear_ibss(struct net_device *dev, bool nowext); |
Johannes Berg | 98d3a7c | 2009-11-18 13:03:43 +0100 | [diff] [blame] | 264 | int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
| 265 | struct net_device *dev, bool nowext); |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 266 | int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
Johannes Berg | 9d30842 | 2009-04-20 18:43:46 +0200 | [diff] [blame] | 267 | struct net_device *dev, bool nowext); |
Antonio Quartulli | fe94f3a | 2014-01-29 17:53:43 +0100 | [diff] [blame] | 268 | void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid, |
| 269 | struct ieee80211_channel *channel); |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 270 | int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, |
| 271 | struct wireless_dev *wdev); |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 272 | |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 273 | /* mesh */ |
| 274 | extern const struct mesh_config default_mesh_config; |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 275 | extern const struct mesh_setup default_mesh_setup; |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 276 | int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, |
| 277 | struct net_device *dev, |
Johannes Berg | cc1d280 | 2012-05-16 23:50:20 +0200 | [diff] [blame] | 278 | struct mesh_setup *setup, |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 279 | const struct mesh_config *conf); |
| 280 | int cfg80211_join_mesh(struct cfg80211_registered_device *rdev, |
| 281 | struct net_device *dev, |
Johannes Berg | cc1d280 | 2012-05-16 23:50:20 +0200 | [diff] [blame] | 282 | struct mesh_setup *setup, |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 283 | const struct mesh_config *conf); |
| 284 | int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, |
| 285 | struct net_device *dev); |
Johannes Berg | 683b6d3 | 2012-11-08 21:25:48 +0100 | [diff] [blame] | 286 | int cfg80211_set_mesh_channel(struct cfg80211_registered_device *rdev, |
| 287 | struct wireless_dev *wdev, |
| 288 | struct cfg80211_chan_def *chandef); |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 289 | |
Michal Kazior | 6077178 | 2012-06-29 12:46:56 +0200 | [diff] [blame] | 290 | /* AP */ |
| 291 | int cfg80211_stop_ap(struct cfg80211_registered_device *rdev, |
Ilan Peer | 7c8d5e0 | 2014-02-25 15:33:38 +0200 | [diff] [blame] | 292 | struct net_device *dev, bool notify); |
Michal Kazior | 6077178 | 2012-06-29 12:46:56 +0200 | [diff] [blame] | 293 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 294 | /* MLME */ |
| 295 | int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, |
Johannes Berg | 91bf9b2 | 2013-05-15 17:44:01 +0200 | [diff] [blame] | 296 | struct net_device *dev, |
| 297 | struct ieee80211_channel *chan, |
| 298 | enum nl80211_auth_type auth_type, |
| 299 | const u8 *bssid, |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 300 | const u8 *ssid, int ssid_len, |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 301 | const u8 *ie, int ie_len, |
Jouni Malinen | e39e5b5 | 2012-09-30 19:29:39 +0300 | [diff] [blame] | 302 | const u8 *key, int key_len, int key_idx, |
| 303 | const u8 *sae_data, int sae_data_len); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 304 | int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
Johannes Berg | f62fab7 | 2013-02-21 20:09:09 +0100 | [diff] [blame] | 305 | struct net_device *dev, |
| 306 | struct ieee80211_channel *chan, |
| 307 | const u8 *bssid, |
Johannes Berg | 3e5d764 | 2009-07-07 14:37:26 +0200 | [diff] [blame] | 308 | const u8 *ssid, int ssid_len, |
Johannes Berg | f62fab7 | 2013-02-21 20:09:09 +0100 | [diff] [blame] | 309 | struct cfg80211_assoc_request *req); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 310 | int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, |
| 311 | struct net_device *dev, const u8 *bssid, |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 312 | const u8 *ie, int ie_len, u16 reason, |
| 313 | bool local_state_change); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 314 | int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, |
| 315 | struct net_device *dev, const u8 *bssid, |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 316 | const u8 *ie, int ie_len, u16 reason, |
| 317 | bool local_state_change); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 318 | void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, |
| 319 | struct net_device *dev); |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 320 | int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, |
| 321 | u16 frame_type, const u8 *match_data, |
| 322 | int match_len); |
| 323 | void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid); |
| 324 | void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev); |
| 325 | int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, |
Johannes Berg | 71bbc99 | 2012-06-15 15:30:18 +0200 | [diff] [blame] | 326 | struct wireless_dev *wdev, |
Andrei Otcheretianski | b176e62 | 2013-11-18 19:06:49 +0200 | [diff] [blame] | 327 | struct cfg80211_mgmt_tx_params *params, |
| 328 | u64 *cookie); |
Ben Greear | 7e7c892 | 2011-11-18 11:31:59 -0800 | [diff] [blame] | 329 | void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa, |
| 330 | const struct ieee80211_ht_cap *ht_capa_mask); |
Johannes Berg | ee2aca3 | 2013-02-21 17:36:01 +0100 | [diff] [blame] | 331 | void cfg80211_oper_and_vht_capa(struct ieee80211_vht_cap *vht_capa, |
| 332 | const struct ieee80211_vht_cap *vht_capa_mask); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 333 | |
Johannes Berg | ceca7b7 | 2013-05-16 00:55:45 +0200 | [diff] [blame] | 334 | /* SME events */ |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 335 | int cfg80211_connect(struct cfg80211_registered_device *rdev, |
| 336 | struct net_device *dev, |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 337 | struct cfg80211_connect_params *connect, |
Johannes Berg | 83739b0 | 2013-05-15 17:44:01 +0200 | [diff] [blame] | 338 | struct cfg80211_cached_keys *connkeys, |
| 339 | const u8 *prev_bssid); |
Johannes Berg | ceca7b7 | 2013-05-16 00:55:45 +0200 | [diff] [blame] | 340 | void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, |
| 341 | const u8 *req_ie, size_t req_ie_len, |
| 342 | const u8 *resp_ie, size_t resp_ie_len, |
| 343 | u16 status, bool wextev, |
| 344 | struct cfg80211_bss *bss); |
| 345 | void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, |
| 346 | size_t ie_len, u16 reason, bool from_ap); |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 347 | int cfg80211_disconnect(struct cfg80211_registered_device *rdev, |
Johannes Berg | f212935 | 2009-07-01 21:26:56 +0200 | [diff] [blame] | 348 | struct net_device *dev, u16 reason, |
| 349 | bool wextev); |
Jouni Malinen | ed9d010 | 2011-05-16 19:40:15 +0300 | [diff] [blame] | 350 | void __cfg80211_roamed(struct wireless_dev *wdev, |
Vasanthakumar Thiagarajan | adbde34 | 2011-12-08 14:28:47 +0530 | [diff] [blame] | 351 | struct cfg80211_bss *bss, |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 352 | const u8 *req_ie, size_t req_ie_len, |
| 353 | const u8 *resp_ie, size_t resp_ie_len); |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 354 | int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev, |
| 355 | struct wireless_dev *wdev); |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 356 | |
Johannes Berg | ceca7b7 | 2013-05-16 00:55:45 +0200 | [diff] [blame] | 357 | /* SME implementation */ |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 358 | void cfg80211_conn_work(struct work_struct *work); |
Johannes Berg | ceca7b7 | 2013-05-16 00:55:45 +0200 | [diff] [blame] | 359 | void cfg80211_sme_scan_done(struct net_device *dev); |
| 360 | bool cfg80211_sme_rx_assoc_resp(struct wireless_dev *wdev, u16 status); |
| 361 | void cfg80211_sme_rx_auth(struct wireless_dev *wdev, const u8 *buf, size_t len); |
| 362 | void cfg80211_sme_disassoc(struct wireless_dev *wdev); |
| 363 | void cfg80211_sme_deauth(struct wireless_dev *wdev); |
| 364 | void cfg80211_sme_auth_timeout(struct wireless_dev *wdev); |
| 365 | void cfg80211_sme_assoc_timeout(struct wireless_dev *wdev); |
Johannes Berg | 6829c87 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 366 | |
Johannes Berg | 0864512 | 2009-05-11 13:54:58 +0200 | [diff] [blame] | 367 | /* internal helpers */ |
Jouni Malinen | 38ba3c5 | 2011-09-21 18:14:56 +0300 | [diff] [blame] | 368 | bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher); |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 369 | int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, |
| 370 | struct key_params *params, int key_idx, |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 371 | bool pairwise, const u8 *mac_addr); |
Johannes Berg | 667503dd | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 372 | void __cfg80211_scan_done(struct work_struct *wk); |
Johannes Berg | f9d15d1 | 2014-01-22 11:14:19 +0200 | [diff] [blame] | 373 | void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, |
| 374 | bool send_message); |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 375 | void __cfg80211_sched_scan_results(struct work_struct *wk); |
| 376 | int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev, |
| 377 | bool driver_initiated); |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 378 | void cfg80211_upload_connect_keys(struct wireless_dev *wdev); |
Johannes Berg | 3d54d25 | 2009-08-21 14:51:05 +0200 | [diff] [blame] | 379 | int cfg80211_change_iface(struct cfg80211_registered_device *rdev, |
| 380 | struct net_device *dev, enum nl80211_iftype ntype, |
| 381 | u32 *flags, struct vif_params *params); |
| 382 | void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev); |
Daniel Drake | 1f6fc43 | 2012-08-02 18:41:48 +0100 | [diff] [blame] | 383 | void cfg80211_process_wdev_events(struct wireless_dev *wdev); |
Johannes Berg | 0864512 | 2009-05-11 13:54:58 +0200 | [diff] [blame] | 384 | |
Michal Kazior | d4e50c5 | 2012-06-29 12:47:07 +0200 | [diff] [blame] | 385 | int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev, |
| 386 | struct wireless_dev *wdev, |
| 387 | enum nl80211_iftype iftype, |
| 388 | struct ieee80211_channel *chan, |
Simon Wunderlich | 11c4a07 | 2013-01-08 14:04:07 +0100 | [diff] [blame] | 389 | enum cfg80211_chan_mode chanmode, |
| 390 | u8 radar_detect); |
Michal Kazior | d4e50c5 | 2012-06-29 12:47:07 +0200 | [diff] [blame] | 391 | |
Janusz Dziedzic | fe7c3a1 | 2013-11-05 14:48:48 +0100 | [diff] [blame] | 392 | /** |
| 393 | * cfg80211_chandef_dfs_usable - checks if chandef is DFS usable |
| 394 | * @wiphy: the wiphy to validate against |
| 395 | * @chandef: the channel definition to check |
| 396 | * |
| 397 | * Checks if chandef is usable and we can/need start CAC on such channel. |
| 398 | * |
| 399 | * Return: Return true if all channels available and at least |
| 400 | * one channel require CAC (NL80211_DFS_USABLE) |
| 401 | */ |
| 402 | bool cfg80211_chandef_dfs_usable(struct wiphy *wiphy, |
| 403 | const struct cfg80211_chan_def *chandef); |
| 404 | |
Simon Wunderlich | 04f3904 | 2013-02-08 18:16:19 +0100 | [diff] [blame] | 405 | void cfg80211_set_dfs_state(struct wiphy *wiphy, |
| 406 | const struct cfg80211_chan_def *chandef, |
| 407 | enum nl80211_dfs_state dfs_state); |
| 408 | |
| 409 | void cfg80211_dfs_channels_update_work(struct work_struct *work); |
| 410 | |
Janusz Dziedzic | 31559f3 | 2014-02-21 19:46:13 +0100 | [diff] [blame] | 411 | unsigned int |
| 412 | cfg80211_chandef_dfs_cac_time(struct wiphy *wiphy, |
| 413 | const struct cfg80211_chan_def *chandef); |
Simon Wunderlich | 04f3904 | 2013-02-08 18:16:19 +0100 | [diff] [blame] | 414 | |
Michal Kazior | d4e50c5 | 2012-06-29 12:47:07 +0200 | [diff] [blame] | 415 | static inline int |
| 416 | cfg80211_can_change_interface(struct cfg80211_registered_device *rdev, |
| 417 | struct wireless_dev *wdev, |
| 418 | enum nl80211_iftype iftype) |
| 419 | { |
| 420 | return cfg80211_can_use_iftype_chan(rdev, wdev, iftype, NULL, |
Simon Wunderlich | 11c4a07 | 2013-01-08 14:04:07 +0100 | [diff] [blame] | 421 | CHAN_MODE_UNDEFINED, 0); |
Michal Kazior | d4e50c5 | 2012-06-29 12:47:07 +0200 | [diff] [blame] | 422 | } |
Johannes Berg | 7527a78 | 2011-05-13 10:58:57 +0200 | [diff] [blame] | 423 | |
| 424 | static inline int |
| 425 | cfg80211_can_add_interface(struct cfg80211_registered_device *rdev, |
| 426 | enum nl80211_iftype iftype) |
| 427 | { |
Emmanuel Grumbach | f38dd58 | 2013-09-17 15:20:13 +0300 | [diff] [blame] | 428 | if (rfkill_blocked(rdev->rfkill)) |
| 429 | return -ERFKILL; |
| 430 | |
Johannes Berg | 7527a78 | 2011-05-13 10:58:57 +0200 | [diff] [blame] | 431 | return cfg80211_can_change_interface(rdev, NULL, iftype); |
| 432 | } |
| 433 | |
Michal Kazior | d4e50c5 | 2012-06-29 12:47:07 +0200 | [diff] [blame] | 434 | static inline int |
| 435 | cfg80211_can_use_chan(struct cfg80211_registered_device *rdev, |
| 436 | struct wireless_dev *wdev, |
| 437 | struct ieee80211_channel *chan, |
| 438 | enum cfg80211_chan_mode chanmode) |
| 439 | { |
| 440 | return cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, |
Simon Wunderlich | 11c4a07 | 2013-01-08 14:04:07 +0100 | [diff] [blame] | 441 | chan, chanmode, 0); |
Michal Kazior | d4e50c5 | 2012-06-29 12:47:07 +0200 | [diff] [blame] | 442 | } |
| 443 | |
Simon Wunderlich | 04f3904 | 2013-02-08 18:16:19 +0100 | [diff] [blame] | 444 | static inline unsigned int elapsed_jiffies_msecs(unsigned long start) |
| 445 | { |
| 446 | unsigned long end = jiffies; |
| 447 | |
| 448 | if (end >= start) |
| 449 | return jiffies_to_msecs(end - start); |
| 450 | |
| 451 | return jiffies_to_msecs(end + (MAX_JIFFY_OFFSET - start) + 1); |
| 452 | } |
| 453 | |
Michal Kazior | 26ab9a0 | 2012-06-29 12:47:00 +0200 | [diff] [blame] | 454 | void |
Johannes Berg | 8e95ea4 | 2012-07-10 19:39:02 +0200 | [diff] [blame] | 455 | cfg80211_get_chan_state(struct wireless_dev *wdev, |
Michal Kazior | 26ab9a0 | 2012-06-29 12:47:00 +0200 | [diff] [blame] | 456 | struct ieee80211_channel **chan, |
Michal Kazior | 9e0e296 | 2014-01-29 14:22:27 +0100 | [diff] [blame] | 457 | enum cfg80211_chan_mode *chanmode, |
| 458 | u8 *radar_detect); |
Michal Kazior | 26ab9a0 | 2012-06-29 12:47:00 +0200 | [diff] [blame] | 459 | |
Johannes Berg | e8c9bd5 | 2012-06-06 08:18:22 +0200 | [diff] [blame] | 460 | int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, |
Johannes Berg | 683b6d3 | 2012-11-08 21:25:48 +0100 | [diff] [blame] | 461 | struct cfg80211_chan_def *chandef); |
Johannes Berg | 59bbb6f | 2009-08-07 17:22:35 +0200 | [diff] [blame] | 462 | |
Johannes Berg | 34850ab | 2011-07-18 18:08:35 +0200 | [diff] [blame] | 463 | int ieee80211_get_ratemask(struct ieee80211_supported_band *sband, |
| 464 | const u8 *rates, unsigned int n_rates, |
| 465 | u32 *mask); |
| 466 | |
Johannes Berg | 56d1893 | 2011-05-09 18:41:15 +0200 | [diff] [blame] | 467 | int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev, |
| 468 | u32 beacon_int); |
| 469 | |
Michal Kazior | dbbae26 | 2012-06-29 12:47:01 +0200 | [diff] [blame] | 470 | void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev, |
| 471 | enum nl80211_iftype iftype, int num); |
| 472 | |
Stanislaw Gruszka | 8125696 | 2013-02-28 10:55:25 +0100 | [diff] [blame] | 473 | void cfg80211_leave(struct cfg80211_registered_device *rdev, |
| 474 | struct wireless_dev *wdev); |
| 475 | |
Johannes Berg | f9f4752 | 2013-03-19 15:04:07 +0100 | [diff] [blame] | 476 | void cfg80211_stop_p2p_device(struct cfg80211_registered_device *rdev, |
| 477 | struct wireless_dev *wdev); |
| 478 | |
Michal Kazior | d4e50c5 | 2012-06-29 12:47:07 +0200 | [diff] [blame] | 479 | #define CFG80211_MAX_NUM_DIFFERENT_CHANNELS 10 |
| 480 | |
Johannes Berg | f796996 | 2009-08-21 12:23:49 +0200 | [diff] [blame] | 481 | #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS |
| 482 | #define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond) |
| 483 | #else |
| 484 | /* |
| 485 | * Trick to enable using it as a condition, |
| 486 | * and also not give a warning when it's |
| 487 | * not used that way. |
| 488 | */ |
| 489 | #define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; }) |
| 490 | #endif |
| 491 | |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 492 | #endif /* __NET_WIRELESS_CORE_H */ |