hostapd.h revision 04949598a23f501be6eec21697465fd46a28840a
1/* 2 * hostapd / Initialization and configuration 3 * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi> 4 * 5 * This software may be distributed under the terms of the BSD license. 6 * See README for more details. 7 */ 8 9#ifndef HOSTAPD_H 10#define HOSTAPD_H 11 12#include "common/defs.h" 13 14struct wpa_driver_ops; 15struct wpa_ctrl_dst; 16struct radius_server_data; 17struct upnp_wps_device_sm; 18struct hostapd_data; 19struct sta_info; 20struct hostap_sta_driver_data; 21struct ieee80211_ht_capabilities; 22struct full_dynamic_vlan; 23enum wps_event; 24union wps_event_data; 25 26struct hapd_interfaces { 27 size_t count; 28 struct hostapd_iface **iface; 29}; 30 31 32struct hostapd_probereq_cb { 33 int (*cb)(void *ctx, const u8 *sa, const u8 *da, const u8 *bssid, 34 const u8 *ie, size_t ie_len, int ssi_signal); 35 void *ctx; 36}; 37 38#define HOSTAPD_RATE_BASIC 0x00000001 39 40struct hostapd_rate_data { 41 int rate; /* rate in 100 kbps */ 42 int flags; /* HOSTAPD_RATE_ flags */ 43}; 44 45struct hostapd_frame_info { 46 u32 channel; 47 u32 datarate; 48 int ssi_signal; /* dBm */ 49}; 50 51 52/** 53 * struct hostapd_data - hostapd per-BSS data structure 54 */ 55struct hostapd_data { 56 struct hostapd_iface *iface; 57 struct hostapd_config *iconf; 58 struct hostapd_bss_config *conf; 59 int interface_added; /* virtual interface added for this BSS */ 60 61 u8 own_addr[ETH_ALEN]; 62 63 int num_sta; /* number of entries in sta_list */ 64 struct sta_info *sta_list; /* STA info list head */ 65#define STA_HASH_SIZE 256 66#define STA_HASH(sta) (sta[5]) 67 struct sta_info *sta_hash[STA_HASH_SIZE]; 68 69 /* 70 * Bitfield for indicating which AIDs are allocated. Only AID values 71 * 1-2007 are used and as such, the bit at index 0 corresponds to AID 72 * 1. 73 */ 74#define AID_WORDS ((2008 + 31) / 32) 75 u32 sta_aid[AID_WORDS]; 76 77 const struct wpa_driver_ops *driver; 78 void *drv_priv; 79 80 void (*new_assoc_sta_cb)(struct hostapd_data *hapd, 81 struct sta_info *sta, int reassoc); 82 83 void *msg_ctx; /* ctx for wpa_msg() calls */ 84 void *msg_ctx_parent; /* parent interface ctx for wpa_msg() calls */ 85 86 struct radius_client_data *radius; 87 u32 acct_session_id_hi, acct_session_id_lo; 88 struct radius_das_data *radius_das; 89 90 struct iapp_data *iapp; 91 92 struct hostapd_cached_radius_acl *acl_cache; 93 struct hostapd_acl_query_data *acl_queries; 94 95 struct wpa_authenticator *wpa_auth; 96 struct eapol_authenticator *eapol_auth; 97 98 struct rsn_preauth_interface *preauth_iface; 99 time_t michael_mic_failure; 100 int michael_mic_failures; 101 int tkip_countermeasures; 102 103 int ctrl_sock; 104 struct wpa_ctrl_dst *ctrl_dst; 105 106 void *ssl_ctx; 107 void *eap_sim_db_priv; 108 struct radius_server_data *radius_srv; 109 110 int parameter_set_count; 111 112 /* Time Advertisement */ 113 u8 time_update_counter; 114 struct wpabuf *time_adv; 115 116#ifdef CONFIG_FULL_DYNAMIC_VLAN 117 struct full_dynamic_vlan *full_dynamic_vlan; 118#endif /* CONFIG_FULL_DYNAMIC_VLAN */ 119 120 struct l2_packet_data *l2; 121 struct wps_context *wps; 122 123 int beacon_set_done; 124 struct wpabuf *wps_beacon_ie; 125 struct wpabuf *wps_probe_resp_ie; 126#ifdef CONFIG_WPS 127 unsigned int ap_pin_failures; 128 unsigned int ap_pin_failures_consecutive; 129 struct upnp_wps_device_sm *wps_upnp; 130 unsigned int ap_pin_lockout_time; 131#endif /* CONFIG_WPS */ 132 133 struct hostapd_probereq_cb *probereq_cb; 134 size_t num_probereq_cb; 135 136 void (*public_action_cb)(void *ctx, const u8 *buf, size_t len, 137 int freq); 138 void *public_action_cb_ctx; 139 140 int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len, 141 int freq); 142 void *vendor_action_cb_ctx; 143 144 void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr, 145 const u8 *uuid_e); 146 void *wps_reg_success_cb_ctx; 147 148 void (*wps_event_cb)(void *ctx, enum wps_event event, 149 union wps_event_data *data); 150 void *wps_event_cb_ctx; 151 152 void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr, 153 int authorized, const u8 *p2p_dev_addr); 154 void *sta_authorized_cb_ctx; 155 156 void (*setup_complete_cb)(void *ctx); 157 void *setup_complete_cb_ctx; 158 159#ifdef CONFIG_P2P 160 struct p2p_data *p2p; 161 struct p2p_group *p2p_group; 162 struct wpabuf *p2p_beacon_ie; 163 struct wpabuf *p2p_probe_resp_ie; 164 165 /* Number of non-P2P association stations */ 166 int num_sta_no_p2p; 167 168 /* Periodic NoA (used only when no non-P2P clients in the group) */ 169 int noa_enabled; 170 int noa_start; 171 int noa_duration; 172#endif /* CONFIG_P2P */ 173#ifdef CONFIG_INTERWORKING 174 size_t gas_frag_limit; 175#endif /* CONFIG_INTERWORKING */ 176}; 177 178 179/** 180 * struct hostapd_iface - hostapd per-interface data structure 181 */ 182struct hostapd_iface { 183 struct hapd_interfaces *interfaces; 184 void *owner; 185 int (*reload_config)(struct hostapd_iface *iface); 186 struct hostapd_config * (*config_read_cb)(const char *config_fname); 187 char *config_fname; 188 struct hostapd_config *conf; 189 190 size_t num_bss; 191 struct hostapd_data **bss; 192 193 int num_ap; /* number of entries in ap_list */ 194 struct ap_info *ap_list; /* AP info list head */ 195 struct ap_info *ap_hash[STA_HASH_SIZE]; 196 struct ap_info *ap_iter_list; 197 198 unsigned int drv_flags; 199 200 /* 201 * A bitmap of supported protocols for probe response offload. See 202 * struct wpa_driver_capa in driver.h 203 */ 204 unsigned int probe_resp_offloads; 205 206 struct hostapd_hw_modes *hw_features; 207 int num_hw_features; 208 struct hostapd_hw_modes *current_mode; 209 /* Rates that are currently used (i.e., filtered copy of 210 * current_mode->channels */ 211 int num_rates; 212 struct hostapd_rate_data *current_rates; 213 int *basic_rates; 214 int freq; 215 216 u16 hw_flags; 217 218 /* Number of associated Non-ERP stations (i.e., stations using 802.11b 219 * in 802.11g BSS) */ 220 int num_sta_non_erp; 221 222 /* Number of associated stations that do not support Short Slot Time */ 223 int num_sta_no_short_slot_time; 224 225 /* Number of associated stations that do not support Short Preamble */ 226 int num_sta_no_short_preamble; 227 228 int olbc; /* Overlapping Legacy BSS Condition */ 229 230 /* Number of HT associated stations that do not support greenfield */ 231 int num_sta_ht_no_gf; 232 233 /* Number of associated non-HT stations */ 234 int num_sta_no_ht; 235 236 /* Number of HT associated stations 20 MHz */ 237 int num_sta_ht_20mhz; 238 239 /* Overlapping BSS information */ 240 int olbc_ht; 241 242 u16 ht_op_mode; 243 void (*scan_cb)(struct hostapd_iface *iface); 244 245 int (*ctrl_iface_init)(struct hostapd_data *hapd); 246 void (*ctrl_iface_deinit)(struct hostapd_data *hapd); 247 248 int (*for_each_interface)(struct hapd_interfaces *interfaces, 249 int (*cb)(struct hostapd_iface *iface, 250 void *ctx), void *ctx); 251}; 252 253/* hostapd.c */ 254int hostapd_for_each_interface(struct hapd_interfaces *interfaces, 255 int (*cb)(struct hostapd_iface *iface, 256 void *ctx), void *ctx); 257int hostapd_reload_config(struct hostapd_iface *iface); 258struct hostapd_data * 259hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface, 260 struct hostapd_config *conf, 261 struct hostapd_bss_config *bss); 262int hostapd_setup_interface(struct hostapd_iface *iface); 263int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err); 264void hostapd_interface_deinit(struct hostapd_iface *iface); 265void hostapd_interface_free(struct hostapd_iface *iface); 266void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta, 267 int reassoc); 268 269/* utils.c */ 270int hostapd_register_probereq_cb(struct hostapd_data *hapd, 271 int (*cb)(void *ctx, const u8 *sa, 272 const u8 *da, const u8 *bssid, 273 const u8 *ie, size_t ie_len, 274 int ssi_signal), 275 void *ctx); 276void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr); 277 278/* drv_callbacks.c (TODO: move to somewhere else?) */ 279int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr, 280 const u8 *ie, size_t ielen, int reassoc); 281void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr); 282void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr); 283int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da, 284 const u8 *bssid, const u8 *ie, size_t ie_len, 285 int ssi_signal); 286void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht, 287 int offset); 288 289#endif /* HOSTAPD_H */ 290