/* * Internal softmac API definitions. * * Copyright (c) 2005, 2006 Johannes Berg * Joseph Jezak * Larry Finger * Danny van Dyk * Michael Buesch * * This program is free software; you can redistribute it and/or modify it * under the terms of version 2 of the GNU General Public License as * published by the Free Software Foundation. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA * * The full GNU General Public License is included in this distribution in the * file called COPYING. */ #ifndef IEEE80211SOFTMAC_PRIV_H_ #define IEEE80211SOFTMAC_PRIV_H_ #include #include #include #include #define PFX "SoftMAC: " #ifdef assert # undef assert #endif #ifdef CONFIG_IEEE80211_SOFTMAC_DEBUG #define assert(expr) \ do { \ if (unlikely(!(expr))) { \ printkl(KERN_ERR PFX "ASSERTION FAILED (%s) at: %s:%d:%s()\n", #expr, \ __FILE__, __LINE__, __FUNCTION__); \ } \ } while (0) #else #define assert(expr) do {} while (0) #endif /* rate limited printk(). */ #ifdef printkl # undef printkl #endif #define printkl(f, x...) do { if (printk_ratelimit()) printk(f ,##x); } while (0) /* rate limited printk() for debugging */ #ifdef dprintkl # undef dprintkl #endif #ifdef CONFIG_IEEE80211_SOFTMAC_DEBUG # define dprintkl printkl #else # define dprintkl(f, x...) do { /* nothing */ } while (0) #endif /* debugging printk() */ #ifdef dprintk # undef dprintk #endif #ifdef CONFIG_IEEE80211_SOFTMAC_DEBUG # define dprintk(f, x...) do { printk(f ,##x); } while (0) #else # define dprintk(f, x...) do { /* nothing */ } while (0) #endif /* private definitions and prototypes */ /*** prototypes from _scan.c */ void ieee80211softmac_scan(void *sm); /* for internal use if scanning is needed */ int ieee80211softmac_start_scan(struct ieee80211softmac_device *mac); void ieee80211softmac_stop_scan(struct ieee80211softmac_device *mac); void ieee80211softmac_wait_for_scan(struct ieee80211softmac_device *mac); /* for use by _module.c to assign to the callbacks */ int ieee80211softmac_start_scan_implementation(struct net_device *dev); void ieee80211softmac_stop_scan_implementation(struct net_device *dev); void ieee80211softmac_wait_for_scan_implementation(struct net_device *dev); /*** Network prototypes from _module.c */ struct ieee80211softmac_network * ieee80211softmac_create_network( struct ieee80211softmac_device *mac, struct ieee80211_network *net); void ieee80211softmac_add_network_locked(struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net); void ieee80211softmac_add_network(struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net); void ieee80211softmac_del_network_locked(struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net); void ieee80211softmac_del_network(struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net); struct ieee80211softmac_network * ieee80211softmac_get_network_by_bssid_locked( struct ieee80211softmac_device *mac, u8 *ea); struct ieee80211softmac_network * ieee80211softmac_get_network_by_bssid( struct ieee80211softmac_device *mac, u8 *ea); struct ieee80211softmac_network * ieee80211softmac_get_network_by_ssid_locked( struct ieee80211softmac_device *mac, u8 *ssid, u8 ssid_len); struct ieee80211softmac_network * ieee80211softmac_get_network_by_ssid( struct ieee80211softmac_device *mac, u8 *ssid, u8 ssid_len); struct ieee80211softmac_network * ieee80211softmac_get_network_by_essid_locked(struct ieee80211softmac_device *mac, struct ieee80211softmac_essid *essid); struct ieee80211softmac_network * ieee80211softmac_get_network_by_essid(struct ieee80211softmac_device *mac, struct ieee80211softmac_essid *essid); /* Rates related */ u8 ieee80211softmac_lower_rate_delta(struct ieee80211softmac_device *mac, u8 rate, int delta); static inline u8 lower_rate(struct ieee80211softmac_device *mac, u8 rate) { return ieee80211softmac_lower_rate_delta(mac, rate, 1); } static inline u8 get_fallback_rate(struct ieee80211softmac_device *mac, u8 rate) { return ieee80211softmac_lower_rate_delta(mac, rate, 2); } /*** prototypes from _io.c */ int ieee80211softmac_send_mgt_frame(struct ieee80211softmac_device *mac, void* ptrarg, u32 type, u32 arg); /*** prototypes from _auth.c */ /* do these have to go into the public header? */ int ieee80211softmac_auth_req(struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net); int ieee80211softmac_deauth_req(struct ieee80211softmac_device *mac, struct ieee80211softmac_network *net, int reason); /* for use by _module.c to assign to the callbacks */ int ieee80211softmac_auth_resp(struct net_device *dev, struct ieee80211_auth *auth); int ieee80211softmac_deauth_resp(struct net_device *dev, struct ieee80211_deauth *deauth); /*** prototypes from _assoc.c */ void ieee80211softmac_assoc_work(void *d); int ieee80211softmac_handle_assoc_response(struct net_device * dev, struct ieee80211_assoc_response * resp, struct ieee80211_network * network); int ieee80211softmac_handle_disassoc(struct net_device * dev, struct ieee80211_disassoc * disassoc); int ieee80211softmac_handle_reassoc_req(struct net_device * dev, struct ieee80211_reassoc_request * reassoc); void ieee80211softmac_assoc_timeout(void *d); void ieee80211softmac_send_disassoc_req(struct ieee80211softmac_device *mac, u16 reason); void ieee80211softmac_disassoc(struct ieee80211softmac_device *mac); /* some helper functions */ static inline int ieee80211softmac_scan_handlers_check_self(struct ieee80211softmac_device *sm) { return (sm->start_scan == ieee80211softmac_start_scan_implementation) && (sm->stop_scan == ieee80211softmac_stop_scan_implementation) && (sm->wait_for_scan == ieee80211softmac_wait_for_scan_implementation); } static inline int ieee80211softmac_scan_sanity_check(struct ieee80211softmac_device *sm) { return ((sm->start_scan != ieee80211softmac_start_scan_implementation) && (sm->stop_scan != ieee80211softmac_stop_scan_implementation) && (sm->wait_for_scan != ieee80211softmac_wait_for_scan_implementation) ) || ieee80211softmac_scan_handlers_check_self(sm); } #define IEEE80211SOFTMAC_PROBE_DELAY HZ/50 #define IEEE80211SOFTMAC_WORKQUEUE_NAME_LEN (17 + IFNAMSIZ) struct ieee80211softmac_network { struct list_head list; /* List */ /* Network information copied from ieee80211_network */ u8 bssid[ETH_ALEN]; u8 channel; struct ieee80211softmac_essid essid; struct ieee80211softmac_ratesinfo supported_rates; /* SoftMAC specific */ u16 authenticating:1, /* Status Flags */ authenticated:1, auth_desynced_once:1; u16 capabilities; /* Capabilities bitfield */ u8 challenge_len; /* Auth Challenge length */ char *challenge; /* Challenge Text */ }; /* structure used to keep track of networks we're auth'ing to */ struct ieee80211softmac_auth_queue_item { struct list_head list; /* List head */ struct ieee80211softmac_network *net; /* Network to auth */ struct ieee80211softmac_device *mac; /* SoftMAC device */ u8 retry; /* Retry limit */ u8 state; /* Auth State */ struct work_struct work; /* Work queue */ }; /* scanning information */ struct ieee80211softmac_scaninfo { u8 current_channel_idx, number_channels; struct ieee80211_channel *channels; u8 started:1, stop:1; u8 skip_flags; struct completion finished; struct work_struct softmac_scan; }; /* private event struct */ struct ieee80211softmac_event { struct list_head list; int event_type; void *event_context; struct work_struct work; notify_function_ptr fun; void *context; struct ieee80211softmac_device *mac; }; void ieee80211softmac_call_events(struct ieee80211softmac_device *mac, int event, void *event_context); void ieee80211softmac_call_events_locked(struct ieee80211softmac_device *mac, int event, void *event_context); int ieee80211softmac_notify_internal(struct ieee80211softmac_device *mac, int event, void *event_context, notify_function_ptr fun, void *context, gfp_t gfp_mask); #endif /* IEEE80211SOFTMAC_PRIV_H_ */