X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=net%2Fwireless%2Fcore.h;h=68b321997d4cbe6dbe764f9b20b191135f9aed3f;hb=7d930bc33653d5592dc386a76a38f39c2e962344;hp=f6c53f5807f40b8f81ae692c4a1c1211312be971;hpb=0bfbce18b9c11201ebf1cfbc0deeab7bdbfe32a5;p=safe%2Fjmp%2Flinux-2.6 diff --git a/net/wireless/core.h b/net/wireless/core.h index f6c53f5..68b3219 100644 --- a/net/wireless/core.h +++ b/net/wireless/core.h @@ -1,7 +1,7 @@ /* * Wireless configuration interface internals. * - * Copyright 2006, 2007 Johannes Berg + * Copyright 2006-2009 Johannes Berg */ #ifndef __NET_WIRELESS_CORE_H #define __NET_WIRELESS_CORE_H @@ -10,14 +10,15 @@ #include #include #include -#include +#include +#include +#include #include -#include #include #include "reg.h" struct cfg80211_registered_device { - struct cfg80211_ops *ops; + const struct cfg80211_ops *ops; struct list_head list; /* we hold this mutex during any call so that * we cannot do multiple calls at once, and also @@ -25,6 +26,11 @@ struct cfg80211_registered_device { * any call is in progress */ struct mutex mtx; + /* rfkill support */ + struct rfkill_ops rfkill_ops; + struct rfkill *rfkill; + struct work_struct rfkill_sync; + /* ISO / IEC 3166 alpha2 for which this device is receiving * country IEs on, this can help disregard country IEs from APs * on the same alpha2 quickly. The alpha2 may differ from @@ -43,6 +49,9 @@ struct cfg80211_registered_device { /* associate netdev list */ struct mutex devlist_mtx; struct list_head netdev_list; + int devlist_generation; + int opencount; /* also protected by devlist_mtx */ + wait_queue_head_t dev_wait; /* BSSes/scanning */ spinlock_t bss_lock; @@ -51,6 +60,28 @@ struct cfg80211_registered_device { u32 bss_generation; struct cfg80211_scan_request *scan_req; /* protected by RTNL */ unsigned long suspend_at; + struct work_struct scan_done_wk; + +#ifdef CONFIG_NL80211_TESTMODE + struct genl_info *testmode_info; +#endif + + struct work_struct conn_work; + struct work_struct event_work; + + /* current channel */ + struct ieee80211_channel *channel; + +#ifdef CONFIG_CFG80211_DEBUGFS + /* Debugfs entries */ + struct wiphy_debugfsdentries { + struct dentry *rts_threshold; + struct dentry *fragmentation_threshold; + struct dentry *short_retry_limit; + struct dentry *long_retry_limit; + struct dentry *ht40allow_map; + } debugfs; +#endif /* must be last because of the way we do wiphy_priv(), * and it should at least be aligned to NETDEV_ALIGN */ @@ -72,16 +103,14 @@ bool wiphy_idx_valid(int wiphy_idx) } extern struct mutex cfg80211_mutex; -extern struct list_head cfg80211_drv_list; +extern struct list_head cfg80211_rdev_list; +extern int cfg80211_rdev_list_generation; -static inline void assert_cfg80211_lock(void) -{ - WARN_ON(!mutex_is_locked(&cfg80211_mutex)); -} +#define assert_cfg80211_lock() WARN_ON(!mutex_is_locked(&cfg80211_mutex)) /* * You can use this to mark a wiphy_idx as not having an associated wiphy. - * It guarantees cfg80211_drv_by_wiphy_idx(wiphy_idx) will return NULL + * It guarantees cfg80211_rdev_by_wiphy_idx(wiphy_idx) will return NULL */ #define WIPHY_IDX_STALE -1 @@ -90,25 +119,53 @@ struct cfg80211_internal_bss { struct rb_node rbn; unsigned long ts; struct kref ref; + atomic_t hold; + bool ies_allocated; + /* must be last because of priv member */ struct cfg80211_bss pub; }; -struct cfg80211_registered_device *cfg80211_drv_by_wiphy_idx(int wiphy_idx); +static inline struct cfg80211_internal_bss *bss_from_pub(struct cfg80211_bss *pub) +{ + return container_of(pub, struct cfg80211_internal_bss, pub); +} + +static inline void cfg80211_ref_bss(struct cfg80211_internal_bss *bss) +{ + kref_get(&bss->ref); +} + +static inline void cfg80211_hold_bss(struct cfg80211_internal_bss *bss) +{ + atomic_inc(&bss->hold); +} + +static inline void cfg80211_unhold_bss(struct cfg80211_internal_bss *bss) +{ + int r = atomic_dec_return(&bss->hold); + WARN_ON(r < 0); +} + + +struct cfg80211_registered_device *cfg80211_rdev_by_wiphy_idx(int wiphy_idx); int get_wiphy_idx(struct wiphy *wiphy); +struct cfg80211_registered_device * +__cfg80211_rdev_from_info(struct genl_info *info); + /* * This function returns a pointer to the driver * that the genl_info item that is passed refers to. * If successful, it returns non-NULL and also locks * the driver's mutex! * - * This means that you need to call cfg80211_put_dev() + * This means that you need to call cfg80211_unlock_rdev() * before being allowed to acquire &cfg80211_mutex! * * This is necessary because we need to lock the global * mutex to get an item off the list safely, and then - * we lock the drv mutex so it doesn't go away under us. + * we lock the rdev mutex so it doesn't go away under us. * * We don't want to keep cfg80211_mutex locked * for all the time in order to allow requests on @@ -120,26 +177,223 @@ int get_wiphy_idx(struct wiphy *wiphy); extern struct cfg80211_registered_device * cfg80211_get_dev_from_info(struct genl_info *info); -/* requires cfg80211_drv_mutex to be held! */ +/* requires cfg80211_rdev_mutex to be held! */ struct wiphy *wiphy_idx_to_wiphy(int wiphy_idx); /* identical to cfg80211_get_dev_from_info but only operate on ifindex */ extern struct cfg80211_registered_device * -cfg80211_get_dev_from_ifindex(int ifindex); +cfg80211_get_dev_from_ifindex(struct net *net, int ifindex); + +int cfg80211_switch_netns(struct cfg80211_registered_device *rdev, + struct net *net); + +static inline void cfg80211_lock_rdev(struct cfg80211_registered_device *rdev) +{ + mutex_lock(&rdev->mtx); +} + +static inline void cfg80211_unlock_rdev(struct cfg80211_registered_device *rdev) +{ + BUG_ON(IS_ERR(rdev) || !rdev); + mutex_unlock(&rdev->mtx); +} + +static inline void wdev_lock(struct wireless_dev *wdev) + __acquires(wdev) +{ + mutex_lock(&wdev->mtx); + __acquire(wdev->mtx); +} + +static inline void wdev_unlock(struct wireless_dev *wdev) + __releases(wdev) +{ + __release(wdev->mtx); + mutex_unlock(&wdev->mtx); +} + +#define ASSERT_RDEV_LOCK(rdev) WARN_ON(!mutex_is_locked(&(rdev)->mtx)); +#define ASSERT_WDEV_LOCK(wdev) WARN_ON(!mutex_is_locked(&(wdev)->mtx)); + +enum cfg80211_event_type { + EVENT_CONNECT_RESULT, + EVENT_ROAMED, + EVENT_DISCONNECTED, + EVENT_IBSS_JOINED, +}; + +struct cfg80211_event { + struct list_head list; + enum cfg80211_event_type type; + + union { + struct { + u8 bssid[ETH_ALEN]; + const u8 *req_ie; + const u8 *resp_ie; + size_t req_ie_len; + size_t resp_ie_len; + u16 status; + } cr; + struct { + u8 bssid[ETH_ALEN]; + const u8 *req_ie; + const u8 *resp_ie; + size_t req_ie_len; + size_t resp_ie_len; + } rm; + struct { + const u8 *ie; + size_t ie_len; + u16 reason; + } dc; + struct { + u8 bssid[ETH_ALEN]; + } ij; + }; +}; + +struct cfg80211_cached_keys { + struct key_params params[6]; + u8 data[6][WLAN_MAX_KEY_LEN]; + int def, defmgmt; +}; -extern void cfg80211_put_dev(struct cfg80211_registered_device *drv); /* free object */ -extern void cfg80211_dev_free(struct cfg80211_registered_device *drv); +extern void cfg80211_dev_free(struct cfg80211_registered_device *rdev); -extern int cfg80211_dev_rename(struct cfg80211_registered_device *drv, +extern int cfg80211_dev_rename(struct cfg80211_registered_device *rdev, char *newname); void ieee80211_set_bitrate_flags(struct wiphy *wiphy); -void wiphy_update_regulatory(struct wiphy *wiphy, enum reg_set_by setby); +void wiphy_update_regulatory(struct wiphy *wiphy, + enum nl80211_reg_initiator setby); void cfg80211_bss_expire(struct cfg80211_registered_device *dev); void cfg80211_bss_age(struct cfg80211_registered_device *dev, unsigned long age_secs); +/* IBSS */ +int __cfg80211_join_ibss(struct cfg80211_registered_device *rdev, + struct net_device *dev, + struct cfg80211_ibss_params *params, + struct cfg80211_cached_keys *connkeys); +int cfg80211_join_ibss(struct cfg80211_registered_device *rdev, + struct net_device *dev, + struct cfg80211_ibss_params *params, + struct cfg80211_cached_keys *connkeys); +void cfg80211_clear_ibss(struct net_device *dev, bool nowext); +int cfg80211_leave_ibss(struct cfg80211_registered_device *rdev, + struct net_device *dev, bool nowext); +void __cfg80211_ibss_joined(struct net_device *dev, const u8 *bssid); +int cfg80211_ibss_wext_join(struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev); + +/* MLME */ +int __cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, + struct net_device *dev, + struct ieee80211_channel *chan, + enum nl80211_auth_type auth_type, + const u8 *bssid, + const u8 *ssid, int ssid_len, + const u8 *ie, int ie_len, + const u8 *key, int key_len, int key_idx); +int cfg80211_mlme_auth(struct cfg80211_registered_device *rdev, + struct net_device *dev, struct ieee80211_channel *chan, + enum nl80211_auth_type auth_type, const u8 *bssid, + const u8 *ssid, int ssid_len, + const u8 *ie, int ie_len, + const u8 *key, int key_len, int key_idx); +int __cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, + struct net_device *dev, + struct ieee80211_channel *chan, + const u8 *bssid, const u8 *prev_bssid, + const u8 *ssid, int ssid_len, + const u8 *ie, int ie_len, bool use_mfp, + struct cfg80211_crypto_settings *crypt); +int cfg80211_mlme_assoc(struct cfg80211_registered_device *rdev, + struct net_device *dev, struct ieee80211_channel *chan, + const u8 *bssid, const u8 *prev_bssid, + const u8 *ssid, int ssid_len, + const u8 *ie, int ie_len, bool use_mfp, + struct cfg80211_crypto_settings *crypt); +int __cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, + struct net_device *dev, const u8 *bssid, + const u8 *ie, int ie_len, u16 reason); +int cfg80211_mlme_deauth(struct cfg80211_registered_device *rdev, + struct net_device *dev, const u8 *bssid, + const u8 *ie, int ie_len, u16 reason); +int cfg80211_mlme_disassoc(struct cfg80211_registered_device *rdev, + struct net_device *dev, const u8 *bssid, + const u8 *ie, int ie_len, u16 reason); +void cfg80211_mlme_down(struct cfg80211_registered_device *rdev, + struct net_device *dev); +void __cfg80211_connect_result(struct net_device *dev, const u8 *bssid, + const u8 *req_ie, size_t req_ie_len, + const u8 *resp_ie, size_t resp_ie_len, + u16 status, bool wextev, + struct cfg80211_bss *bss); + +/* SME */ +int __cfg80211_connect(struct cfg80211_registered_device *rdev, + struct net_device *dev, + struct cfg80211_connect_params *connect, + struct cfg80211_cached_keys *connkeys, + const u8 *prev_bssid); +int cfg80211_connect(struct cfg80211_registered_device *rdev, + struct net_device *dev, + struct cfg80211_connect_params *connect, + struct cfg80211_cached_keys *connkeys); +int __cfg80211_disconnect(struct cfg80211_registered_device *rdev, + struct net_device *dev, u16 reason, + bool wextev); +int cfg80211_disconnect(struct cfg80211_registered_device *rdev, + struct net_device *dev, u16 reason, + bool wextev); +void __cfg80211_roamed(struct wireless_dev *wdev, const u8 *bssid, + const u8 *req_ie, size_t req_ie_len, + const u8 *resp_ie, size_t resp_ie_len); +int cfg80211_mgd_wext_connect(struct cfg80211_registered_device *rdev, + struct wireless_dev *wdev); + +void cfg80211_conn_work(struct work_struct *work); +void cfg80211_sme_failed_assoc(struct wireless_dev *wdev); +bool cfg80211_sme_failed_reassoc(struct wireless_dev *wdev); + +/* internal helpers */ +int cfg80211_validate_key_settings(struct cfg80211_registered_device *rdev, + struct key_params *params, int key_idx, + const u8 *mac_addr); +void __cfg80211_disconnected(struct net_device *dev, const u8 *ie, + size_t ie_len, u16 reason, bool from_ap); +void cfg80211_sme_scan_done(struct net_device *dev); +void cfg80211_sme_rx_auth(struct net_device *dev, const u8 *buf, size_t len); +void cfg80211_sme_disassoc(struct net_device *dev, int idx); +void __cfg80211_scan_done(struct work_struct *wk); +void ___cfg80211_scan_done(struct cfg80211_registered_device *rdev, bool leak); +void cfg80211_upload_connect_keys(struct wireless_dev *wdev); +int cfg80211_change_iface(struct cfg80211_registered_device *rdev, + struct net_device *dev, enum nl80211_iftype ntype, + u32 *flags, struct vif_params *params); +void cfg80211_process_rdev_events(struct cfg80211_registered_device *rdev); + +struct ieee80211_channel * +rdev_fixed_channel(struct cfg80211_registered_device *rdev, + struct wireless_dev *for_wdev); +int rdev_set_freq(struct cfg80211_registered_device *rdev, + struct wireless_dev *for_wdev, + int freq, enum nl80211_channel_type channel_type); + +#ifdef CONFIG_CFG80211_DEVELOPER_WARNINGS +#define CFG80211_DEV_WARN_ON(cond) WARN_ON(cond) +#else +/* + * Trick to enable using it as a condition, + * and also not give a warning when it's + * not used that way. + */ +#define CFG80211_DEV_WARN_ON(cond) ({bool __r = (cond); __r; }) +#endif + #endif /* __NET_WIRELESS_CORE_H */