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