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 |
| 8 | #include <linux/mutex.h> |
| 9 | #include <linux/list.h> |
| 10 | #include <linux/netdevice.h> |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 11 | #include <linux/kref.h> |
| 12 | #include <linux/rbtree.h> |
Luis R. Rodriguez | 1ac6130 | 2009-05-02 00:37:21 -0400 | [diff] [blame] | 13 | #include <linux/debugfs.h> |
Johannes Berg | 1f87f7d | 2009-06-02 13:01:41 +0200 | [diff] [blame] | 14 | #include <linux/rfkill.h> |
| 15 | #include <linux/workqueue.h> |
Johannes Berg | c5a7e58 | 2012-07-04 13:28:18 +0200 | [diff] [blame] | 16 | #include <linux/rtnetlink.h> |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 17 | #include <net/genetlink.h> |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 18 | #include <net/cfg80211.h> |
Luis R. Rodriguez | 3f2355c | 2008-11-12 14:22:02 -0800 | [diff] [blame] | 19 | #include "reg.h" |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 20 | |
| 21 | struct cfg80211_registered_device { |
David Kilroy | 3dcf670 | 2009-05-16 23:13:46 +0100 | [diff] [blame] | 22 | const struct cfg80211_ops *ops; |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 23 | struct list_head list; |
| 24 | /* we hold this mutex during any call so that |
| 25 | * we cannot do multiple calls at once, and also |
| 26 | * to avoid the deregister call to proceed while |
| 27 | * any call is in progress */ |
| 28 | struct mutex mtx; |
| 29 | |
Johannes Berg | 1f87f7d | 2009-06-02 13:01:41 +0200 | [diff] [blame] | 30 | /* rfkill support */ |
| 31 | struct rfkill_ops rfkill_ops; |
| 32 | struct rfkill *rfkill; |
| 33 | struct work_struct rfkill_sync; |
| 34 | |
Luis R. Rodriguez | 3f2355c | 2008-11-12 14:22:02 -0800 | [diff] [blame] | 35 | /* ISO / IEC 3166 alpha2 for which this device is receiving |
| 36 | * country IEs on, this can help disregard country IEs from APs |
| 37 | * on the same alpha2 quickly. The alpha2 may differ from |
| 38 | * cfg80211_regdomain's alpha2 when an intersection has occurred. |
| 39 | * If the AP is reconfigured this can also be used to tell us if |
| 40 | * the country on the country IE changed. */ |
| 41 | char country_ie_alpha2[2]; |
| 42 | |
| 43 | /* If a Country IE has been received this tells us the environment |
| 44 | * which its telling us its in. This defaults to ENVIRON_ANY */ |
| 45 | enum environment_cap env; |
| 46 | |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 47 | /* wiphy index, internal only */ |
Luis R. Rodriguez | b5850a7 | 2009-02-21 00:04:19 -0500 | [diff] [blame] | 48 | int wiphy_idx; |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 49 | |
Johannes Berg | 89a54e4 | 2012-06-15 14:33:17 +0200 | [diff] [blame] | 50 | /* associated wireless interfaces */ |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 51 | struct mutex devlist_mtx; |
Johannes Berg | 5f2aa25 | 2010-01-17 15:49:02 +0100 | [diff] [blame] | 52 | /* protected by devlist_mtx or RCU */ |
Johannes Berg | 89a54e4 | 2012-06-15 14:33:17 +0200 | [diff] [blame] | 53 | struct list_head wdev_list; |
| 54 | int devlist_generation, wdev_id; |
Johannes Berg | ad00239 | 2009-08-18 19:51:57 +0200 | [diff] [blame] | 55 | int opencount; /* also protected by devlist_mtx */ |
| 56 | wait_queue_head_t dev_wait; |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 57 | |
Eric W. Biederman | 15e4730 | 2012-09-07 20:12:54 +0000 | [diff] [blame] | 58 | u32 ap_beacons_nlportid; |
Johannes Berg | 5e76023 | 2011-11-04 11:18:17 +0100 | [diff] [blame] | 59 | |
Johannes Berg | c5a7e58 | 2012-07-04 13:28:18 +0200 | [diff] [blame] | 60 | /* protected by RTNL only */ |
Michal Kazior | dbbae26 | 2012-06-29 12:47:01 +0200 | [diff] [blame] | 61 | int num_running_ifaces; |
| 62 | int num_running_monitor_ifaces; |
| 63 | |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 64 | /* BSSes/scanning */ |
| 65 | spinlock_t bss_lock; |
| 66 | struct list_head bss_list; |
| 67 | struct rb_root bss_tree; |
| 68 | u32 bss_generation; |
| 69 | struct cfg80211_scan_request *scan_req; /* protected by RTNL */ |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 70 | struct cfg80211_sched_scan_request *sched_scan_req; |
Dan Williams | cb3a8ee | 2009-02-11 17:14:43 -0500 | [diff] [blame] | 71 | unsigned long suspend_at; |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 72 | struct work_struct scan_done_wk; |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 73 | struct work_struct sched_scan_results_wk; |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 74 | |
Luciano Coelho | c10841c | 2011-06-30 08:32:41 +0300 | [diff] [blame] | 75 | struct mutex sched_scan_mtx; |
| 76 | |
Johannes Berg | aff89a9 | 2009-07-01 21:26:51 +0200 | [diff] [blame] | 77 | #ifdef CONFIG_NL80211_TESTMODE |
| 78 | struct genl_info *testmode_info; |
| 79 | #endif |
| 80 | |
Johannes Berg | 6829c878 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 81 | struct work_struct conn_work; |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 82 | struct work_struct event_work; |
Johannes Berg | 6829c878 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 83 | |
Johannes Berg | ff1b6e6 | 2011-05-04 15:37:28 +0200 | [diff] [blame] | 84 | struct cfg80211_wowlan *wowlan; |
| 85 | |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 86 | /* must be last because of the way we do wiphy_priv(), |
| 87 | * and it should at least be aligned to NETDEV_ALIGN */ |
| 88 | struct wiphy wiphy __attribute__((__aligned__(NETDEV_ALIGN))); |
| 89 | }; |
| 90 | |
| 91 | static inline |
| 92 | struct cfg80211_registered_device *wiphy_to_dev(struct wiphy *wiphy) |
| 93 | { |
| 94 | BUG_ON(!wiphy); |
| 95 | return container_of(wiphy, struct cfg80211_registered_device, wiphy); |
| 96 | } |
| 97 | |
Luis R. Rodriguez | 85fd129 | 2009-02-21 00:04:20 -0500 | [diff] [blame] | 98 | /* Note 0 is valid, hence phy0 */ |
| 99 | static inline |
| 100 | bool wiphy_idx_valid(int wiphy_idx) |
| 101 | { |
Eric Dumazet | a02cec2 | 2010-09-22 20:43:57 +0000 | [diff] [blame] | 102 | return wiphy_idx >= 0; |
Luis R. Rodriguez | 85fd129 | 2009-02-21 00:04:20 -0500 | [diff] [blame] | 103 | } |
| 104 | |
Johannes Berg | ff1b6e6 | 2011-05-04 15:37:28 +0200 | [diff] [blame] | 105 | static inline void |
| 106 | cfg80211_rdev_free_wowlan(struct cfg80211_registered_device *rdev) |
| 107 | { |
| 108 | int i; |
| 109 | |
| 110 | if (!rdev->wowlan) |
| 111 | return; |
| 112 | for (i = 0; i < rdev->wowlan->n_patterns; i++) |
| 113 | kfree(rdev->wowlan->patterns[i].mask); |
| 114 | kfree(rdev->wowlan->patterns); |
| 115 | kfree(rdev->wowlan); |
| 116 | } |
Alban Browaeys | e60d744 | 2009-11-25 15:13:00 +0100 | [diff] [blame] | 117 | |
| 118 | extern struct workqueue_struct *cfg80211_wq; |
Luis R. Rodriguez | a179439 | 2009-02-21 00:04:21 -0500 | [diff] [blame] | 119 | extern struct mutex cfg80211_mutex; |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 120 | extern struct list_head cfg80211_rdev_list; |
Johannes Berg | f5ea912 | 2009-08-07 16:17:38 +0200 | [diff] [blame] | 121 | extern int cfg80211_rdev_list_generation; |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 122 | |
Johannes Berg | 46a5eba | 2010-09-15 13:28:15 +0200 | [diff] [blame] | 123 | static inline void assert_cfg80211_lock(void) |
| 124 | { |
| 125 | lockdep_assert_held(&cfg80211_mutex); |
| 126 | } |
Luis R. Rodriguez | 761cf7e | 2009-02-21 00:04:25 -0500 | [diff] [blame] | 127 | |
Luis R. Rodriguez | 806a9e3 | 2009-02-21 00:04:26 -0500 | [diff] [blame] | 128 | /* |
| 129 | * You can use this to mark a wiphy_idx as not having an associated wiphy. |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 130 | * It guarantees cfg80211_rdev_by_wiphy_idx(wiphy_idx) will return NULL |
Luis R. Rodriguez | 806a9e3 | 2009-02-21 00:04:26 -0500 | [diff] [blame] | 131 | */ |
| 132 | #define WIPHY_IDX_STALE -1 |
| 133 | |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 134 | struct cfg80211_internal_bss { |
| 135 | struct list_head list; |
| 136 | struct rb_node rbn; |
| 137 | unsigned long ts; |
| 138 | struct kref ref; |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 139 | atomic_t hold; |
Jouni Malinen | 34a6edd | 2010-01-06 16:19:24 +0200 | [diff] [blame] | 140 | bool beacon_ies_allocated; |
| 141 | bool proberesp_ies_allocated; |
Kalle Valo | a08c1c1 | 2009-03-22 21:57:28 +0200 | [diff] [blame] | 142 | |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 143 | /* must be last because of priv member */ |
| 144 | struct cfg80211_bss pub; |
| 145 | }; |
| 146 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 147 | static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub) |
| 148 | { |
| 149 | return container_of(pub, struct cfg80211_internal_bss, pub); |
| 150 | } |
| 151 | |
| 152 | static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss) |
| 153 | { |
| 154 | atomic_inc(&bss->hold); |
| 155 | } |
| 156 | |
| 157 | static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss) |
| 158 | { |
| 159 | int r = atomic_dec_return(&bss->hold); |
| 160 | WARN_ON(r < 0); |
| 161 | } |
| 162 | |
| 163 | |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 164 | 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] | 165 | int get_wiphy_idx(struct wiphy *wiphy); |
| 166 | |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 167 | /* requires cfg80211_rdev_mutex to be held! */ |
Luis R. Rodriguez | 806a9e3 | 2009-02-21 00:04:26 -0500 | [diff] [blame] | 168 | struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx); |
| 169 | |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 170 | /* identical to cfg80211_get_dev_from_info but only operate on ifindex */ |
| 171 | extern struct cfg80211_registered_device * |
Johannes Berg | 463d018 | 2009-07-14 00:33:35 +0200 | [diff] [blame] | 172 | cfg80211_get_dev_from_ifindex(struct net *net, int ifindex); |
| 173 | |
| 174 | int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, |
| 175 | struct net *net); |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 176 | |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 177 | static inline void cfg80211_lock_rdev(struct cfg80211_registered_device *rdev) |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 178 | { |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 179 | mutex_lock(&rdev->mtx); |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 180 | } |
| 181 | |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 182 | static inline void cfg80211_unlock_rdev(struct cfg80211_registered_device *rdev) |
Johannes Berg | 4d0c8ae | 2009-07-07 03:56:09 +0200 | [diff] [blame] | 183 | { |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 184 | BUG_ON(IS_ERR(rdev) || !rdev); |
| 185 | mutex_unlock(&rdev->mtx); |
Johannes Berg | 4d0c8ae | 2009-07-07 03:56:09 +0200 | [diff] [blame] | 186 | } |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 187 | |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 188 | static inline void wdev_lock(struct wireless_dev *wdev) |
| 189 | __acquires(wdev) |
| 190 | { |
| 191 | mutex_lock(&wdev->mtx); |
| 192 | __acquire(wdev->mtx); |
| 193 | } |
| 194 | |
| 195 | static inline void wdev_unlock(struct wireless_dev *wdev) |
| 196 | __releases(wdev) |
| 197 | { |
| 198 | __release(wdev->mtx); |
| 199 | mutex_unlock(&wdev->mtx); |
| 200 | } |
| 201 | |
Johannes Berg | 46a5eba | 2010-09-15 13:28:15 +0200 | [diff] [blame] | 202 | #define ASSERT_RDEV_LOCK(rdev) lockdep_assert_held(&(rdev)->mtx) |
| 203 | #define ASSERT_WDEV_LOCK(wdev) lockdep_assert_held(&(wdev)->mtx) |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 204 | |
Michal Kazior | dbbae26 | 2012-06-29 12:47:01 +0200 | [diff] [blame] | 205 | static inline bool cfg80211_has_monitors_only(struct cfg80211_registered_device *rdev) |
| 206 | { |
Johannes Berg | c5a7e58 | 2012-07-04 13:28:18 +0200 | [diff] [blame] | 207 | ASSERT_RTNL(); |
Michal Kazior | dbbae26 | 2012-06-29 12:47:01 +0200 | [diff] [blame] | 208 | |
| 209 | return rdev->num_running_ifaces == rdev->num_running_monitor_ifaces && |
| 210 | rdev->num_running_ifaces > 0; |
| 211 | } |
| 212 | |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 213 | enum cfg80211_event_type { |
| 214 | EVENT_CONNECT_RESULT, |
| 215 | EVENT_ROAMED, |
| 216 | EVENT_DISCONNECTED, |
| 217 | EVENT_IBSS_JOINED, |
| 218 | }; |
| 219 | |
| 220 | struct cfg80211_event { |
| 221 | struct list_head list; |
| 222 | enum cfg80211_event_type type; |
| 223 | |
| 224 | union { |
| 225 | struct { |
| 226 | u8 bssid[ETH_ALEN]; |
| 227 | const u8 *req_ie; |
| 228 | const u8 *resp_ie; |
| 229 | size_t req_ie_len; |
| 230 | size_t resp_ie_len; |
| 231 | u16 status; |
| 232 | } cr; |
| 233 | struct { |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 234 | const u8 *req_ie; |
| 235 | const u8 *resp_ie; |
| 236 | size_t req_ie_len; |
| 237 | size_t resp_ie_len; |
Vasanthakumar Thiagarajan | adbde34 | 2011-12-08 14:28:47 +0530 | [diff] [blame] | 238 | struct cfg80211_bss *bss; |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 239 | } rm; |
| 240 | struct { |
| 241 | const u8 *ie; |
| 242 | size_t ie_len; |
| 243 | u16 reason; |
| 244 | } dc; |
| 245 | struct { |
| 246 | u8 bssid[ETH_ALEN]; |
| 247 | } ij; |
| 248 | }; |
| 249 | }; |
| 250 | |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 251 | struct cfg80211_cached_keys { |
| 252 | struct key_params params[6]; |
| 253 | u8 data[6][WLAN_MAX_KEY_LEN]; |
| 254 | int def, defmgmt; |
| 255 | }; |
| 256 | |
Michal Kazior | 26ab9a0 | 2012-06-29 12:47:00 +0200 | [diff] [blame] | 257 | enum cfg80211_chan_mode { |
| 258 | CHAN_MODE_UNDEFINED, |
| 259 | CHAN_MODE_SHARED, |
| 260 | CHAN_MODE_EXCLUSIVE, |
| 261 | }; |
| 262 | |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 263 | |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 264 | /* free object */ |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 265 | extern void cfg80211_dev_free(struct cfg80211_registered_device *rdev); |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 266 | |
Johannes Berg | 79c97e9 | 2009-07-07 03:56:12 +0200 | [diff] [blame] | 267 | extern int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, |
Johannes Berg | 5568296 | 2007-09-20 13:09:35 -0400 | [diff] [blame] | 268 | char *newname); |
| 269 | |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 270 | void ieee80211_set_bitrate_flags(struct wiphy *wiphy); |
Johannes Berg | 8318d78 | 2008-01-24 19:38:38 +0100 | [diff] [blame] | 271 | |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 272 | void cfg80211_bss_expire(struct cfg80211_registered_device *dev); |
Dan Williams | cb3a8ee | 2009-02-11 17:14:43 -0500 | [diff] [blame] | 273 | void cfg80211_bss_age(struct cfg80211_registered_device *dev, |
| 274 | unsigned long age_secs); |
Johannes Berg | 2a51931 | 2009-02-10 21:25:55 +0100 | [diff] [blame] | 275 | |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 276 | /* IBSS */ |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 277 | int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, |
| 278 | struct net_device *dev, |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 279 | struct cfg80211_ibss_params *params, |
| 280 | struct cfg80211_cached_keys *connkeys); |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 281 | int cfg80211_join_ibss(struct cfg80211_registered_device *rdev, |
| 282 | struct net_device *dev, |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 283 | struct cfg80211_ibss_params *params, |
| 284 | struct cfg80211_cached_keys *connkeys); |
Johannes Berg | 9d30842 | 2009-04-20 18:43:46 +0200 | [diff] [blame] | 285 | void cfg80211_clear_ibss(struct net_device *dev, bool nowext); |
Johannes Berg | 98d3a7c | 2009-11-18 13:03:43 +0100 | [diff] [blame] | 286 | int __cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
| 287 | struct net_device *dev, bool nowext); |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 288 | int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, |
Johannes Berg | 9d30842 | 2009-04-20 18:43:46 +0200 | [diff] [blame] | 289 | struct net_device *dev, bool nowext); |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 290 | void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid); |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 291 | int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, |
| 292 | struct wireless_dev *wdev); |
Johannes Berg | 04a773a | 2009-04-19 21:24:32 +0200 | [diff] [blame] | 293 | |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 294 | /* mesh */ |
| 295 | extern const struct mesh_config default_mesh_config; |
Javier Cardona | c80d545 | 2010-12-16 17:37:49 -0800 | [diff] [blame] | 296 | extern const struct mesh_setup default_mesh_setup; |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 297 | int __cfg80211_join_mesh(struct cfg80211_registered_device *rdev, |
| 298 | struct net_device *dev, |
Johannes Berg | cc1d280 | 2012-05-16 23:50:20 +0200 | [diff] [blame] | 299 | struct mesh_setup *setup, |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 300 | const struct mesh_config *conf); |
| 301 | int cfg80211_join_mesh(struct cfg80211_registered_device *rdev, |
| 302 | struct net_device *dev, |
Johannes Berg | cc1d280 | 2012-05-16 23:50:20 +0200 | [diff] [blame] | 303 | struct mesh_setup *setup, |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 304 | const struct mesh_config *conf); |
| 305 | int cfg80211_leave_mesh(struct cfg80211_registered_device *rdev, |
| 306 | struct net_device *dev); |
Johannes Berg | cc1d280 | 2012-05-16 23:50:20 +0200 | [diff] [blame] | 307 | int cfg80211_set_mesh_freq(struct cfg80211_registered_device *rdev, |
| 308 | struct wireless_dev *wdev, int freq, |
| 309 | enum nl80211_channel_type channel_type); |
Johannes Berg | 29cbe68 | 2010-12-03 09:20:44 +0100 | [diff] [blame] | 310 | |
Michal Kazior | 6077178 | 2012-06-29 12:46:56 +0200 | [diff] [blame] | 311 | /* AP */ |
| 312 | int cfg80211_stop_ap(struct cfg80211_registered_device *rdev, |
| 313 | struct net_device *dev); |
| 314 | |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 315 | /* MLME */ |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 316 | int __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 Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 322 | const u8 *ie, int ie_len, |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 323 | const u8 *key, int key_len, int key_idx); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 324 | int 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 Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 328 | const u8 *ie, int ie_len, |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 329 | const u8 *key, int key_len, int key_idx); |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 330 | int __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 Greear | 7e7c892 | 2011-11-18 11:31:59 -0800 | [diff] [blame] | 336 | struct cfg80211_crypto_settings *crypt, |
| 337 | u32 assoc_flags, struct ieee80211_ht_cap *ht_capa, |
| 338 | struct ieee80211_ht_cap *ht_capa_mask); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 339 | int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, |
| 340 | struct net_device *dev, struct ieee80211_channel *chan, |
Johannes Berg | 3e5d764 | 2009-07-07 14:37:26 +0200 | [diff] [blame] | 341 | const u8 *bssid, const u8 *prev_bssid, |
| 342 | const u8 *ssid, int ssid_len, |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 343 | const u8 *ie, int ie_len, bool use_mfp, |
Ben Greear | 7e7c892 | 2011-11-18 11:31:59 -0800 | [diff] [blame] | 344 | struct cfg80211_crypto_settings *crypt, |
| 345 | u32 assoc_flags, struct ieee80211_ht_cap *ht_capa, |
| 346 | struct ieee80211_ht_cap *ht_capa_mask); |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 347 | int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, |
| 348 | struct net_device *dev, const u8 *bssid, |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 349 | const u8 *ie, int ie_len, u16 reason, |
| 350 | bool local_state_change); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 351 | int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, |
| 352 | struct net_device *dev, const u8 *bssid, |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 353 | const u8 *ie, int ie_len, u16 reason, |
| 354 | bool local_state_change); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 355 | int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, |
| 356 | struct net_device *dev, const u8 *bssid, |
Jouni Malinen | d5cdfac | 2010-04-04 09:37:19 +0300 | [diff] [blame] | 357 | const u8 *ie, int ie_len, u16 reason, |
| 358 | bool local_state_change); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 359 | void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, |
| 360 | struct net_device *dev); |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 361 | void __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 Berg | df7fc0f | 2009-07-29 11:23:49 +0200 | [diff] [blame] | 364 | u16 status, bool wextev, |
| 365 | struct cfg80211_bss *bss); |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 366 | int cfg80211_mlme_register_mgmt(struct wireless_dev *wdev, u32 snd_pid, |
| 367 | u16 frame_type, const u8 *match_data, |
| 368 | int match_len); |
| 369 | void cfg80211_mlme_unregister_socket(struct wireless_dev *wdev, u32 nlpid); |
| 370 | void cfg80211_mlme_purge_registrations(struct wireless_dev *wdev); |
| 371 | int cfg80211_mlme_mgmt_tx(struct cfg80211_registered_device *rdev, |
Johannes Berg | 71bbc99 | 2012-06-15 15:30:18 +0200 | [diff] [blame] | 372 | struct wireless_dev *wdev, |
Johannes Berg | f7ca38d | 2010-11-25 10:02:29 +0100 | [diff] [blame] | 373 | struct ieee80211_channel *chan, bool offchan, |
Johannes Berg | 2e161f7 | 2010-08-12 15:38:38 +0200 | [diff] [blame] | 374 | enum nl80211_channel_type channel_type, |
Johannes Berg | f7ca38d | 2010-11-25 10:02:29 +0100 | [diff] [blame] | 375 | bool channel_type_valid, unsigned int wait, |
Rajkumar Manoharan | e9f935e | 2011-09-25 14:53:30 +0530 | [diff] [blame] | 376 | const u8 *buf, size_t len, bool no_cck, |
Johannes Berg | e247bd90 | 2011-11-04 11:18:21 +0100 | [diff] [blame] | 377 | bool dont_wait_for_ack, u64 *cookie); |
Ben Greear | 7e7c892 | 2011-11-18 11:31:59 -0800 | [diff] [blame] | 378 | void cfg80211_oper_and_ht_capa(struct ieee80211_ht_cap *ht_capa, |
| 379 | const struct ieee80211_ht_cap *ht_capa_mask); |
Johannes Berg | 19957bb | 2009-07-02 17:20:43 +0200 | [diff] [blame] | 380 | |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 381 | /* SME */ |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 382 | int __cfg80211_connect(struct cfg80211_registered_device *rdev, |
| 383 | struct net_device *dev, |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 384 | struct cfg80211_connect_params *connect, |
Johannes Berg | f401a6f | 2009-08-07 14:51:05 +0200 | [diff] [blame] | 385 | struct cfg80211_cached_keys *connkeys, |
| 386 | const u8 *prev_bssid); |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 387 | int cfg80211_connect(struct cfg80211_registered_device *rdev, |
| 388 | struct net_device *dev, |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 389 | struct cfg80211_connect_params *connect, |
| 390 | struct cfg80211_cached_keys *connkeys); |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 391 | int __cfg80211_disconnect(struct cfg80211_registered_device *rdev, |
| 392 | struct net_device *dev, u16 reason, |
| 393 | bool wextev); |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 394 | int cfg80211_disconnect(struct cfg80211_registered_device *rdev, |
Johannes Berg | f212935 | 2009-07-01 21:26:56 +0200 | [diff] [blame] | 395 | struct net_device *dev, u16 reason, |
| 396 | bool wextev); |
Jouni Malinen | ed9d010 | 2011-05-16 19:40:15 +0300 | [diff] [blame] | 397 | void __cfg80211_roamed(struct wireless_dev *wdev, |
Vasanthakumar Thiagarajan | adbde34 | 2011-12-08 14:28:47 +0530 | [diff] [blame] | 398 | struct cfg80211_bss *bss, |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 399 | const u8 *req_ie, size_t req_ie_len, |
| 400 | const u8 *resp_ie, size_t resp_ie_len); |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 401 | int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev, |
| 402 | struct wireless_dev *wdev); |
Samuel Ortiz | b23aa67 | 2009-07-01 21:26:54 +0200 | [diff] [blame] | 403 | |
Johannes Berg | 6829c878 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 404 | void cfg80211_conn_work(struct work_struct *work); |
Johannes Berg | 7d930bc | 2009-10-20 15:08:53 +0900 | [diff] [blame] | 405 | void cfg80211_sme_failed_assoc(struct wireless_dev *wdev); |
Johannes Berg | f401a6f | 2009-08-07 14:51:05 +0200 | [diff] [blame] | 406 | bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev); |
Johannes Berg | 6829c878 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 407 | |
Johannes Berg | 0864512 | 2009-05-11 13:54:58 +0200 | [diff] [blame] | 408 | /* internal helpers */ |
Jouni Malinen | 38ba3c5 | 2011-09-21 18:14:56 +0300 | [diff] [blame] | 409 | bool cfg80211_supported_cipher_suite(struct wiphy *wiphy, u32 cipher); |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 410 | int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, |
| 411 | struct key_params *params, int key_idx, |
Johannes Berg | e31b821 | 2010-10-05 19:39:30 +0200 | [diff] [blame] | 412 | bool pairwise, const u8 *mac_addr); |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 413 | void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, |
Johannes Berg | 6829c878 | 2009-07-02 09:13:27 +0200 | [diff] [blame] | 414 | size_t ie_len, u16 reason, bool from_ap); |
| 415 | void cfg80211_sme_scan_done(struct net_device *dev); |
| 416 | void cfg80211_sme_rx_auth(struct net_device *dev, const u8 *buf, size_t len); |
Johannes Berg | 95de817 | 2012-01-20 13:55:25 +0100 | [diff] [blame] | 417 | void cfg80211_sme_disassoc(struct net_device *dev, |
| 418 | struct cfg80211_internal_bss *bss); |
Johannes Berg | 667503d | 2009-07-07 03:56:11 +0200 | [diff] [blame] | 419 | void __cfg80211_scan_done(struct work_struct *wk); |
Johannes Berg | 01a0ac4 | 2009-08-20 21:36:16 +0200 | [diff] [blame] | 420 | void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak); |
Luciano Coelho | 807f8a8 | 2011-05-11 17:09:35 +0300 | [diff] [blame] | 421 | void __cfg80211_sched_scan_results(struct work_struct *wk); |
| 422 | int __cfg80211_stop_sched_scan(struct cfg80211_registered_device *rdev, |
| 423 | bool driver_initiated); |
Johannes Berg | fffd093 | 2009-07-08 14:22:54 +0200 | [diff] [blame] | 424 | void cfg80211_upload_connect_keys(struct wireless_dev *wdev); |
Johannes Berg | 3d54d25 | 2009-08-21 14:51:05 +0200 | [diff] [blame] | 425 | int cfg80211_change_iface(struct cfg80211_registered_device *rdev, |
| 426 | struct net_device *dev, enum nl80211_iftype ntype, |
| 427 | u32 *flags, struct vif_params *params); |
| 428 | void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev); |
Daniel Drake | 1f6fc43 | 2012-08-02 18:41:48 +0100 | [diff] [blame] | 429 | void cfg80211_process_wdev_events(struct wireless_dev *wdev); |
Johannes Berg | 0864512 | 2009-05-11 13:54:58 +0200 | [diff] [blame] | 430 | |
Michal Kazior | d4e50c5 | 2012-06-29 12:47:07 +0200 | [diff] [blame] | 431 | int cfg80211_can_use_iftype_chan(struct cfg80211_registered_device *rdev, |
| 432 | struct wireless_dev *wdev, |
| 433 | enum nl80211_iftype iftype, |
| 434 | struct ieee80211_channel *chan, |
| 435 | enum cfg80211_chan_mode chanmode); |
| 436 | |
| 437 | static inline int |
| 438 | cfg80211_can_change_interface(struct cfg80211_registered_device *rdev, |
| 439 | struct wireless_dev *wdev, |
| 440 | enum nl80211_iftype iftype) |
| 441 | { |
| 442 | return cfg80211_can_use_iftype_chan(rdev, wdev, iftype, NULL, |
| 443 | CHAN_MODE_UNDEFINED); |
| 444 | } |
Johannes Berg | 7527a78 | 2011-05-13 10:58:57 +0200 | [diff] [blame] | 445 | |
| 446 | static inline int |
| 447 | cfg80211_can_add_interface(struct cfg80211_registered_device *rdev, |
| 448 | enum nl80211_iftype iftype) |
| 449 | { |
| 450 | return cfg80211_can_change_interface(rdev, NULL, iftype); |
| 451 | } |
| 452 | |
Michal Kazior | d4e50c5 | 2012-06-29 12:47:07 +0200 | [diff] [blame] | 453 | static inline int |
| 454 | cfg80211_can_use_chan(struct cfg80211_registered_device *rdev, |
| 455 | struct wireless_dev *wdev, |
| 456 | struct ieee80211_channel *chan, |
| 457 | enum cfg80211_chan_mode chanmode) |
| 458 | { |
| 459 | return cfg80211_can_use_iftype_chan(rdev, wdev, wdev->iftype, |
| 460 | chan, chanmode); |
| 461 | } |
| 462 | |
Michal Kazior | 26ab9a0 | 2012-06-29 12:47:00 +0200 | [diff] [blame] | 463 | void |
Johannes Berg | 8e95ea4 | 2012-07-10 19:39:02 +0200 | [diff] [blame] | 464 | cfg80211_get_chan_state(struct wireless_dev *wdev, |
Michal Kazior | 26ab9a0 | 2012-06-29 12:47:00 +0200 | [diff] [blame] | 465 | struct ieee80211_channel **chan, |
| 466 | enum cfg80211_chan_mode *chanmode); |
| 467 | |
Johannes Berg | 59bbb6f | 2009-08-07 17:22:35 +0200 | [diff] [blame] | 468 | struct ieee80211_channel * |
Jouni Malinen | 9588bbd | 2009-12-23 13:15:41 +0100 | [diff] [blame] | 469 | rdev_freq_to_chan(struct cfg80211_registered_device *rdev, |
| 470 | int freq, enum nl80211_channel_type channel_type); |
Johannes Berg | e8c9bd5 | 2012-06-06 08:18:22 +0200 | [diff] [blame] | 471 | int cfg80211_set_monitor_channel(struct cfg80211_registered_device *rdev, |
| 472 | int freq, enum nl80211_channel_type chantype); |
Johannes Berg | 59bbb6f | 2009-08-07 17:22:35 +0200 | [diff] [blame] | 473 | |
Johannes Berg | 34850ab | 2011-07-18 18:08:35 +0200 | [diff] [blame] | 474 | int ieee80211_get_ratemask(struct ieee80211_supported_band *sband, |
| 475 | const u8 *rates, unsigned int n_rates, |
| 476 | u32 *mask); |
| 477 | |
Johannes Berg | 56d1893 | 2011-05-09 18:41:15 +0200 | [diff] [blame] | 478 | int cfg80211_validate_beacon_int(struct cfg80211_registered_device *rdev, |
| 479 | u32 beacon_int); |
| 480 | |
Michal Kazior | dbbae26 | 2012-06-29 12:47:01 +0200 | [diff] [blame] | 481 | void cfg80211_update_iface_num(struct cfg80211_registered_device *rdev, |
| 482 | enum nl80211_iftype iftype, int num); |
| 483 | |
Michal Kazior | d4e50c5 | 2012-06-29 12:47:07 +0200 | [diff] [blame] | 484 | #define CFG80211_MAX_NUM_DIFFERENT_CHANNELS 10 |
| 485 | |
Johannes Berg | f796996 | 2009-08-21 12:23:49 +0200 | [diff] [blame] | 486 | #ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS |
| 487 | #define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond) |
| 488 | #else |
| 489 | /* |
| 490 | * Trick to enable using it as a condition, |
| 491 | * and also not give a warning when it's |
| 492 | * not used that way. |
| 493 | */ |
| 494 | #define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; }) |
| 495 | #endif |
| 496 | |
Johannes Berg | 704232c | 2007-04-23 12:20:05 -0700 | [diff] [blame] | 497 | #endif /* __NET_WIRELESS_CORE_H */ |