hostapd.h revision 1f69aa52ea2e0a73ac502565df8c666ee49cab6a
1/* 2 * hostapd / Initialization and configuration 3 * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi> 4 * 5 * This program is free software; you can redistribute it and/or modify 6 * it under the terms of the GNU General Public License version 2 as 7 * published by the Free Software Foundation. 8 * 9 * Alternatively, this software may be distributed under the terms of BSD 10 * license. 11 * 12 * See README and COPYING for more details. 13 */ 14 15#ifndef HOSTAPD_H 16#define HOSTAPD_H 17 18#include "common/defs.h" 19 20struct wpa_driver_ops; 21struct wpa_ctrl_dst; 22struct radius_server_data; 23struct upnp_wps_device_sm; 24struct hapd_interfaces; 25struct hostapd_data; 26struct sta_info; 27struct hostap_sta_driver_data; 28struct ieee80211_ht_capabilities; 29struct full_dynamic_vlan; 30enum wps_event; 31union wps_event_data; 32 33struct hostapd_probereq_cb { 34 int (*cb)(void *ctx, const u8 *sa, const u8 *da, const u8 *bssid, 35 const u8 *ie, size_t ie_len); 36 void *ctx; 37}; 38 39#define HOSTAPD_RATE_BASIC 0x00000001 40 41struct hostapd_rate_data { 42 int rate; /* rate in 100 kbps */ 43 int flags; /* HOSTAPD_RATE_ flags */ 44}; 45 46struct hostapd_frame_info { 47 u32 channel; 48 u32 datarate; 49 u32 ssi_signal; 50}; 51 52 53/** 54 * struct hostapd_data - hostapd per-BSS data structure 55 */ 56struct hostapd_data { 57 struct hostapd_iface *iface; 58 struct hostapd_config *iconf; 59 struct hostapd_bss_config *conf; 60 int interface_added; /* virtual interface added for this BSS */ 61 62 u8 own_addr[ETH_ALEN]; 63 64 int num_sta; /* number of entries in sta_list */ 65 struct sta_info *sta_list; /* STA info list head */ 66#define STA_HASH_SIZE 256 67#define STA_HASH(sta) (sta[5]) 68 struct sta_info *sta_hash[STA_HASH_SIZE]; 69 70 /* 71 * Bitfield for indicating which AIDs are allocated. Only AID values 72 * 1-2007 are used and as such, the bit at index 0 corresponds to AID 73 * 1. 74 */ 75#define AID_WORDS ((2008 + 31) / 32) 76 u32 sta_aid[AID_WORDS]; 77 78 const struct wpa_driver_ops *driver; 79 void *drv_priv; 80 81 void (*new_assoc_sta_cb)(struct hostapd_data *hapd, 82 struct sta_info *sta, int reassoc); 83 84 void *msg_ctx; /* ctx for wpa_msg() calls */ 85 void *msg_ctx_parent; /* parent interface ctx for wpa_msg() calls */ 86 87 struct radius_client_data *radius; 88 u32 acct_session_id_hi, acct_session_id_lo; 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 struct upnp_wps_device_sm *wps_upnp; 129 unsigned int ap_pin_lockout_time; 130#endif /* CONFIG_WPS */ 131 132 struct hostapd_probereq_cb *probereq_cb; 133 size_t num_probereq_cb; 134 135 void (*public_action_cb)(void *ctx, const u8 *buf, size_t len, 136 int freq); 137 void *public_action_cb_ctx; 138 139 int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len, 140 int freq); 141 void *vendor_action_cb_ctx; 142 143 void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr, 144 const u8 *uuid_e); 145 void *wps_reg_success_cb_ctx; 146 147 void (*wps_event_cb)(void *ctx, enum wps_event event, 148 union wps_event_data *data); 149 void *wps_event_cb_ctx; 150 151 void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr, 152 int authorized, const u8 *p2p_dev_addr); 153 void *sta_authorized_cb_ctx; 154 155 void (*setup_complete_cb)(void *ctx); 156 void *setup_complete_cb_ctx; 157 158#ifdef CONFIG_P2P 159 struct p2p_data *p2p; 160 struct p2p_group *p2p_group; 161 struct wpabuf *p2p_beacon_ie; 162 struct wpabuf *p2p_probe_resp_ie; 163 164 /* Number of non-P2P association stations */ 165 int num_sta_no_p2p; 166 167 /* Periodic NoA (used only when no non-P2P clients in the group) */ 168 int noa_enabled; 169 int noa_start; 170 int noa_duration; 171#endif /* CONFIG_P2P */ 172}; 173 174 175/** 176 * struct hostapd_iface - hostapd per-interface data structure 177 */ 178struct hostapd_iface { 179 struct hapd_interfaces *interfaces; 180 void *owner; 181 int (*reload_config)(struct hostapd_iface *iface); 182 struct hostapd_config * (*config_read_cb)(const char *config_fname); 183 char *config_fname; 184 struct hostapd_config *conf; 185 186 size_t num_bss; 187 struct hostapd_data **bss; 188 189 int num_ap; /* number of entries in ap_list */ 190 struct ap_info *ap_list; /* AP info list head */ 191 struct ap_info *ap_hash[STA_HASH_SIZE]; 192 struct ap_info *ap_iter_list; 193 194 unsigned int drv_flags; 195 196 /* 197 * A bitmap of supported protocols for probe response offload. See 198 * struct wpa_driver_capa in driver.h 199 */ 200 unsigned int probe_resp_offloads; 201 202 struct hostapd_hw_modes *hw_features; 203 int num_hw_features; 204 struct hostapd_hw_modes *current_mode; 205 /* Rates that are currently used (i.e., filtered copy of 206 * current_mode->channels */ 207 int num_rates; 208 struct hostapd_rate_data *current_rates; 209 int *basic_rates; 210 int freq; 211 212 u16 hw_flags; 213 214 /* Number of associated Non-ERP stations (i.e., stations using 802.11b 215 * in 802.11g BSS) */ 216 int num_sta_non_erp; 217 218 /* Number of associated stations that do not support Short Slot Time */ 219 int num_sta_no_short_slot_time; 220 221 /* Number of associated stations that do not support Short Preamble */ 222 int num_sta_no_short_preamble; 223 224 int olbc; /* Overlapping Legacy BSS Condition */ 225 226 /* Number of HT associated stations that do not support greenfield */ 227 int num_sta_ht_no_gf; 228 229 /* Number of associated non-HT stations */ 230 int num_sta_no_ht; 231 232 /* Number of HT associated stations 20 MHz */ 233 int num_sta_ht_20mhz; 234 235 /* Overlapping BSS information */ 236 int olbc_ht; 237 238 u16 ht_op_mode; 239 void (*scan_cb)(struct hostapd_iface *iface); 240 241 int (*ctrl_iface_init)(struct hostapd_data *hapd); 242 void (*ctrl_iface_deinit)(struct hostapd_data *hapd); 243 244 int (*for_each_interface)(struct hapd_interfaces *interfaces, 245 int (*cb)(struct hostapd_iface *iface, 246 void *ctx), void *ctx); 247}; 248 249/* hostapd.c */ 250int hostapd_reload_config(struct hostapd_iface *iface); 251struct hostapd_data * 252hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface, 253 struct hostapd_config *conf, 254 struct hostapd_bss_config *bss); 255int hostapd_setup_interface(struct hostapd_iface *iface); 256int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err); 257void hostapd_interface_deinit(struct hostapd_iface *iface); 258void hostapd_interface_free(struct hostapd_iface *iface); 259void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta, 260 int reassoc); 261 262/* utils.c */ 263int hostapd_register_probereq_cb(struct hostapd_data *hapd, 264 int (*cb)(void *ctx, const u8 *sa, 265 const u8 *da, const u8 *bssid, 266 const u8 *ie, size_t ie_len), 267 void *ctx); 268void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr); 269 270/* drv_callbacks.c (TODO: move to somewhere else?) */ 271int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr, 272 const u8 *ie, size_t ielen, int reassoc); 273void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr); 274void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr); 275int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da, 276 const u8 *bssid, const u8 *ie, size_t ie_len); 277 278#endif /* HOSTAPD_H */ 279