/* * hostapd / Initialization and configuration * Copyright (c) 2002-2009, Jouni Malinen * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. * * Alternatively, this software may be distributed under the terms of BSD * license. * * See README and COPYING for more details. */ #ifndef HOSTAPD_H #define HOSTAPD_H #include "common/defs.h" struct wpa_driver_ops; struct wpa_ctrl_dst; struct radius_server_data; struct upnp_wps_device_sm; struct hapd_interfaces; struct hostapd_data; struct sta_info; struct hostap_sta_driver_data; struct ieee80211_ht_capabilities; struct full_dynamic_vlan; enum wps_event; union wps_event_data; struct hostapd_probereq_cb { int (*cb)(void *ctx, const u8 *sa, const u8 *ie, size_t ie_len); void *ctx; }; #define HOSTAPD_RATE_BASIC 0x00000001 struct hostapd_rate_data { int rate; /* rate in 100 kbps */ int flags; /* HOSTAPD_RATE_ flags */ }; struct hostapd_frame_info { u32 channel; u32 datarate; u32 ssi_signal; }; struct hostapd_driver_ops { int (*set_ap_wps_ie)(struct hostapd_data *hapd); int (*set_authorized)(struct hostapd_data *hapd, struct sta_info *sta, int authorized); int (*set_sta_flags)(struct hostapd_data *hapd, struct sta_info *sta); int (*set_drv_ieee8021x)(struct hostapd_data *hapd, const char *ifname, int enabled); int (*set_bss_params)(struct hostapd_data *hapd, int use_protection); int (*vlan_if_add)(struct hostapd_data *hapd, const char *ifname); int (*vlan_if_remove)(struct hostapd_data *hapd, const char *ifname); int (*set_wds_sta)(struct hostapd_data *hapd, const u8 *addr, int aid, int val); int (*sta_add)(struct hostapd_data *hapd, const u8 *addr, u16 aid, u16 capability, const u8 *supp_rates, size_t supp_rates_len, u16 listen_interval, const struct ieee80211_ht_capabilities *ht_capab); }; /** * struct hostapd_data - hostapd per-BSS data structure */ struct hostapd_data { struct hostapd_iface *iface; struct hostapd_config *iconf; struct hostapd_bss_config *conf; int interface_added; /* virtual interface added for this BSS */ u8 own_addr[ETH_ALEN]; int num_sta; /* number of entries in sta_list */ struct sta_info *sta_list; /* STA info list head */ #define STA_HASH_SIZE 256 #define STA_HASH(sta) (sta[5]) struct sta_info *sta_hash[STA_HASH_SIZE]; /* * Bitfield for indicating which AIDs are allocated. Only AID values * 1-2007 are used and as such, the bit at index 0 corresponds to AID * 1. */ #define AID_WORDS ((2008 + 31) / 32) u32 sta_aid[AID_WORDS]; const struct wpa_driver_ops *driver; void *drv_priv; struct hostapd_driver_ops drv; void (*new_assoc_sta_cb)(struct hostapd_data *hapd, struct sta_info *sta, int reassoc); void *msg_ctx; /* ctx for wpa_msg() calls */ struct radius_client_data *radius; u32 acct_session_id_hi, acct_session_id_lo; struct iapp_data *iapp; struct hostapd_cached_radius_acl *acl_cache; struct hostapd_acl_query_data *acl_queries; struct wpa_authenticator *wpa_auth; struct eapol_authenticator *eapol_auth; struct rsn_preauth_interface *preauth_iface; time_t michael_mic_failure; int michael_mic_failures; int tkip_countermeasures; int ctrl_sock; struct wpa_ctrl_dst *ctrl_dst; void *ssl_ctx; void *eap_sim_db_priv; struct radius_server_data *radius_srv; int parameter_set_count; #ifdef CONFIG_FULL_DYNAMIC_VLAN struct full_dynamic_vlan *full_dynamic_vlan; #endif /* CONFIG_FULL_DYNAMIC_VLAN */ struct l2_packet_data *l2; struct wps_context *wps; struct wpabuf *wps_beacon_ie; struct wpabuf *wps_probe_resp_ie; #ifdef CONFIG_WPS unsigned int ap_pin_failures; struct upnp_wps_device_sm *wps_upnp; unsigned int ap_pin_lockout_time; #endif /* CONFIG_WPS */ struct hostapd_probereq_cb *probereq_cb; size_t num_probereq_cb; void (*public_action_cb)(void *ctx, const u8 *buf, size_t len, int freq); void *public_action_cb_ctx; int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len, int freq); void *vendor_action_cb_ctx; void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr, const u8 *uuid_e); void *wps_reg_success_cb_ctx; void (*wps_event_cb)(void *ctx, enum wps_event event, union wps_event_data *data); void *wps_event_cb_ctx; #ifdef CONFIG_P2P struct p2p_data *p2p; struct p2p_group *p2p_group; struct wpabuf *p2p_beacon_ie; struct wpabuf *p2p_probe_resp_ie; /* Number of non-P2P association stations */ int num_sta_no_p2p; /* Periodic NoA (used only when no non-P2P clients in the group) */ int noa_enabled; int noa_start; int noa_duration; #endif /* CONFIG_P2P */ }; /** * struct hostapd_iface - hostapd per-interface data structure */ struct hostapd_iface { struct hapd_interfaces *interfaces; void *owner; int (*reload_config)(struct hostapd_iface *iface); struct hostapd_config * (*config_read_cb)(const char *config_fname); char *config_fname; struct hostapd_config *conf; size_t num_bss; struct hostapd_data **bss; int num_ap; /* number of entries in ap_list */ struct ap_info *ap_list; /* AP info list head */ struct ap_info *ap_hash[STA_HASH_SIZE]; struct ap_info *ap_iter_list; struct hostapd_hw_modes *hw_features; int num_hw_features; struct hostapd_hw_modes *current_mode; /* Rates that are currently used (i.e., filtered copy of * current_mode->channels */ int num_rates; struct hostapd_rate_data *current_rates; int freq; u16 hw_flags; /* Number of associated Non-ERP stations (i.e., stations using 802.11b * in 802.11g BSS) */ int num_sta_non_erp; /* Number of associated stations that do not support Short Slot Time */ int num_sta_no_short_slot_time; /* Number of associated stations that do not support Short Preamble */ int num_sta_no_short_preamble; int olbc; /* Overlapping Legacy BSS Condition */ /* Number of HT associated stations that do not support greenfield */ int num_sta_ht_no_gf; /* Number of associated non-HT stations */ int num_sta_no_ht; /* Number of HT associated stations 20 MHz */ int num_sta_ht_20mhz; /* Overlapping BSS information */ int olbc_ht; u16 ht_op_mode; void (*scan_cb)(struct hostapd_iface *iface); int (*ctrl_iface_init)(struct hostapd_data *hapd); void (*ctrl_iface_deinit)(struct hostapd_data *hapd); int (*for_each_interface)(struct hapd_interfaces *interfaces, int (*cb)(struct hostapd_iface *iface, void *ctx), void *ctx); }; /* hostapd.c */ int hostapd_reload_config(struct hostapd_iface *iface); struct hostapd_data * hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface, struct hostapd_config *conf, struct hostapd_bss_config *bss); int hostapd_setup_interface(struct hostapd_iface *iface); int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err); void hostapd_interface_deinit(struct hostapd_iface *iface); void hostapd_interface_free(struct hostapd_iface *iface); void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta, int reassoc); /* utils.c */ int hostapd_register_probereq_cb(struct hostapd_data *hapd, int (*cb)(void *ctx, const u8 *sa, const u8 *ie, size_t ie_len), void *ctx); void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr); /* drv_callbacks.c (TODO: move to somewhere else?) */ int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr, const u8 *ie, size_t ielen); void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr); #endif /* HOSTAPD_H */