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Makefile
(95 B)
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fst.c
(5.07 KB)
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fst.h
(8.35 KB)
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fst_ctrl_aux.c
(1.94 KB)
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fst_ctrl_aux.h
(2.52 KB)
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fst_ctrl_defs.h
(4.7 KB)
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fst_ctrl_iface.c
(22.93 KB)
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fst_ctrl_iface.h
(1.17 KB)
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fst_defs.h
(1.82 KB)
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fst_group.c
(13.29 KB)
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fst_group.h
(1.9 KB)
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fst_iface.c
(1.71 KB)
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fst_iface.h
(3.3 KB)
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fst_internal.h
(1.34 KB)
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fst_session.c
(40 KB)
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fst_session.h
(2.88 KB)
Editing: fst.h
/* * FST module - interface definitions * Copyright (c) 2014, Qualcomm Atheros, Inc. * * This software may be distributed under the terms of the BSD license. * See README for more details. */ #ifndef FST_H #define FST_H #ifdef CONFIG_FST #include "common/defs.h" #include "fst/fst_ctrl_iface.h" /* FST module hostap integration API */ #define US_IN_MS 1000 #define LLT_UNIT_US 32 /* See 10.32.2.2 Transitioning between states */ /* * These were originally * #define FST_LLT_MS_TO_VAL(m) (((u32) (m)) * US_IN_MS / LLT_UNIT_US) * #define FST_LLT_VAL_TO_MS(v) (((u32) (v)) * LLT_UNIT_US / US_IN_MS) * #define FST_MAX_LLT_MS FST_LLT_VAL_TO_MS(-1) * but those can overflow 32-bit unsigned integer, so use alternative defines * to avoid undefined behavior with such overflow. * LLT_UNIT_US/US_IN_MS = 32/1000 = 4/125 */ #define FST_LLT_MS_TO_VAL(m) (((u32) (m)) * 125 / 4) #define FST_LLT_VAL_TO_MS(v) (((u32) (v)) * 4 / 125) #define FST_MAX_LLT_MS (((u32) -1) / 4) #define FST_MAX_PRIO_VALUE ((u8) -1) #define FST_MAX_GROUP_ID_LEN IFNAMSIZ #define FST_DEFAULT_LLT_CFG_VALUE 50 struct hostapd_hw_modes; struct ieee80211_mgmt; struct fst_iface; struct fst_group; struct fst_session; struct fst_get_peer_ctx; struct fst_ctrl_handle; struct fst_wpa_obj { void *ctx; /** * get_bssid - Get BSSID of the interface * @ctx: User context %ctx * Returns: BSSID for success, %NULL for failure. * * NOTE: For AP it returns the own BSSID, while for STA - the BSSID of * the associated AP. */ const u8 * (*get_bssid)(void *ctx); /** * get_channel_info - Get current channel info * @ctx: User context %ctx * @hw_mode: OUT, current HW mode * @channel: OUT, current channel */ void (*get_channel_info)(void *ctx, enum hostapd_hw_mode *hw_mode, u8 *channel); /** * get_hw_modes - Get hardware modes * @ctx: User context %ctx * @modes: OUT, pointer on array of hw modes * * Returns: Number of hw modes available. */ int (*get_hw_modes)(void *ctx, struct hostapd_hw_modes **modes); /** * set_ies - Set interface's MB IE * @ctx: User context %ctx * @fst_ies: MB IE buffer (owned by FST module) */ void (*set_ies)(void *ctx, const struct wpabuf *fst_ies); /** * send_action - Send FST Action frame via the interface * @ctx: User context %ctx * @addr: Address of the destination STA * @data: Action frame buffer * Returns: 0 for success, negative error code for failure. */ int (*send_action)(void *ctx, const u8 *addr, struct wpabuf *data); /** * get_mb_ie - Get last MB IE received from STA * @ctx: User context %ctx * @addr: Address of the STA * Returns: MB IE buffer, %NULL if no MB IE received from the STA */ const struct wpabuf * (*get_mb_ie)(void *ctx, const u8 *addr); /** * update_mb_ie - Update last MB IE received from STA * @ctx: User context %ctx * @addr: Address of the STA * @buf: Buffer that contains the MB IEs data * @size: Size of data in %buf */ void (*update_mb_ie)(void *ctx, const u8 *addr, const u8 *buf, size_t size); /** * get_peer_first - Get MAC address of the 1st connected STA * @ctx: User context %ctx * @get_ctx: Context to be used for %get_peer_next call * @mb_only: %TRUE if only multi-band capable peer should be reported * Returns: Address of the 1st connected STA, %NULL if no STAs connected */ const u8 * (*get_peer_first)(void *ctx, struct fst_get_peer_ctx **get_ctx, Boolean mb_only); /** * get_peer_next - Get MAC address of the next connected STA * @ctx: User context %ctx * @get_ctx: Context received from %get_peer_first or previous * %get_peer_next call * @mb_only: %TRUE if only multi-band capable peer should be reported * Returns: Address of the next connected STA, %NULL if no more STAs * connected */ const u8 * (*get_peer_next)(void *ctx, struct fst_get_peer_ctx **get_ctx, Boolean mb_only); }; /** * fst_global_init - Global FST module initiator * Returns: 0 for success, negative error code for failure. * Note: The purpose of this function is to allocate and initiate global * FST module data structures (linked lists, static data etc.) * This function should be called prior to the 1st %fst_attach call. */ int fst_global_init(void); /** * fst_global_deinit - Global FST module de-initiator * Note: The purpose of this function is to deallocate and de-initiate global * FST module data structures (linked lists, static data etc.) */ void fst_global_deinit(void); /** * struct fst_ctrl - Notification interface for FST module */ struct fst_ctrl { /** * init - Initialize the notification interface * Returns: 0 for success, negative error code for failure. */ int (*init)(void); /** * deinit - Deinitialize the notification interface */ void (*deinit)(void); /** * on_group_created - Notify about FST group creation * Returns: 0 for success, negative error code for failure. */ int (*on_group_created)(struct fst_group *g); /** * on_group_deleted - Notify about FST group deletion */ void (*on_group_deleted)(struct fst_group *g); /** * on_iface_added - Notify about interface addition * Returns: 0 for success, negative error code for failure. */ int (*on_iface_added)(struct fst_iface *i); /** * on_iface_removed - Notify about interface removal */ void (*on_iface_removed)(struct fst_iface *i); /** * on_session_added - Notify about FST session addition * Returns: 0 for success, negative error code for failure. */ int (*on_session_added)(struct fst_session *s); /** * on_session_removed - Notify about FST session removal */ void (*on_session_removed)(struct fst_session *s); /** * on_event - Notify about FST event * @event_type: Event type * @i: Interface object that relates to the event or NULL * @g: Group object that relates to the event or NULL * @extra - Event specific data (see fst_ctrl_iface.h for more info) */ void (*on_event)(enum fst_event_type event_type, struct fst_iface *i, struct fst_session *s, const union fst_event_extra *extra); }; struct fst_ctrl_handle * fst_global_add_ctrl(const struct fst_ctrl *ctrl); void fst_global_del_ctrl(struct fst_ctrl_handle *h); /** * NOTE: These values have to be read from configuration file */ struct fst_iface_cfg { char group_id[FST_MAX_GROUP_ID_LEN + 1]; u8 priority; u32 llt; }; /** * fst_attach - Attach interface to an FST group according to configuration read * @ifname: Interface name * @own_addr: Own interface MAC address * @iface_obj: Callbacks to be used by FST module to communicate with * hostapd/wpa_supplicant * @cfg: FST-related interface configuration read from the configuration file * Returns: FST interface object for success, %NULL for failure. */ struct fst_iface * fst_attach(const char *ifname, const u8 *own_addr, const struct fst_wpa_obj *iface_obj, const struct fst_iface_cfg *cfg); /** * fst_detach - Detach an interface * @iface: FST interface object */ void fst_detach(struct fst_iface *iface); /* FST module inputs */ /** * fst_rx_action - FST Action frames handler * @iface: FST interface object * @mgmt: Action frame arrived * @len: Action frame length */ void fst_rx_action(struct fst_iface *iface, const struct ieee80211_mgmt *mgmt, size_t len); /** * fst_notify_peer_connected - FST STA connect handler * @iface: FST interface object * @addr: Address of the connected STA */ void fst_notify_peer_connected(struct fst_iface *iface, const u8 *addr); /** * fst_notify_peer_disconnected - FST STA disconnect handler * @iface: FST interface object * @addr: Address of the disconnected STA */ void fst_notify_peer_disconnected(struct fst_iface *iface, const u8 *addr); /* FST module auxiliary routines */ /** * fst_are_ifaces_aggregated - Determines whether 2 interfaces belong to the * same FST group * @iface1: 1st FST interface object * @iface1: 2nd FST interface object * * Returns: %TRUE if the interfaces belong to the same FST group, * %FALSE otherwise */ Boolean fst_are_ifaces_aggregated(struct fst_iface *iface1, struct fst_iface *iface2); #else /* CONFIG_FST */ static inline int fst_global_init(void) { return 0; } static inline int fst_global_start(void) { return 0; } static inline void fst_global_stop(void) { } static inline void fst_global_deinit(void) { } #endif /* CONFIG_FST */ #endif /* FST_H */
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