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 20 struct wpa_driver_ops; 21 struct wpa_ctrl_dst; 22 struct radius_server_data; 23 struct upnp_wps_device_sm; 24 struct hapd_interfaces; 25 struct hostapd_data; 26 struct sta_info; 27 struct hostap_sta_driver_data; 28 struct ieee80211_ht_capabilities; 29 struct full_dynamic_vlan; 30 enum wps_event; 31 union wps_event_data; 32 33 struct hostapd_probereq_cb { 34 int (*cb)(void *ctx, const u8 *sa, const u8 *ie, size_t ie_len); 35 void *ctx; 36 }; 37 38 #define HOSTAPD_RATE_BASIC 0x00000001 39 40 struct hostapd_rate_data { 41 int rate; /* rate in 100 kbps */ 42 int flags; /* HOSTAPD_RATE_ flags */ 43 }; 44 45 struct hostapd_frame_info { 46 u32 channel; 47 u32 datarate; 48 u32 ssi_signal; 49 }; 50 51 52 /** 53 * struct hostapd_data - hostapd per-BSS data structure 54 */ 55 struct 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 #ifdef ANDROID_BRCM_P2P_PATCH 85 /* Sending the event to parent is required as SSL listens on parent ctrl iface */ 86 void *msg_ctx_parent; /* ctx for wpa_msg() calls */ 87 #endif /*ANDROID_BRCM_P2P_PATCH*/ 88 89 struct radius_client_data *radius; 90 u32 acct_session_id_hi, acct_session_id_lo; 91 92 struct iapp_data *iapp; 93 94 struct hostapd_cached_radius_acl *acl_cache; 95 struct hostapd_acl_query_data *acl_queries; 96 97 struct wpa_authenticator *wpa_auth; 98 struct eapol_authenticator *eapol_auth; 99 100 struct rsn_preauth_interface *preauth_iface; 101 time_t michael_mic_failure; 102 int michael_mic_failures; 103 int tkip_countermeasures; 104 105 int ctrl_sock; 106 struct wpa_ctrl_dst *ctrl_dst; 107 108 void *ssl_ctx; 109 void *eap_sim_db_priv; 110 struct radius_server_data *radius_srv; 111 112 int parameter_set_count; 113 114 #ifdef CONFIG_FULL_DYNAMIC_VLAN 115 struct full_dynamic_vlan *full_dynamic_vlan; 116 #endif /* CONFIG_FULL_DYNAMIC_VLAN */ 117 118 struct l2_packet_data *l2; 119 struct wps_context *wps; 120 121 struct wpabuf *wps_beacon_ie; 122 struct wpabuf *wps_probe_resp_ie; 123 #ifdef CONFIG_WPS 124 unsigned int ap_pin_failures; 125 struct upnp_wps_device_sm *wps_upnp; 126 unsigned int ap_pin_lockout_time; 127 #endif /* CONFIG_WPS */ 128 129 struct hostapd_probereq_cb *probereq_cb; 130 size_t num_probereq_cb; 131 132 void (*public_action_cb)(void *ctx, const u8 *buf, size_t len, 133 int freq); 134 void *public_action_cb_ctx; 135 136 int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len, 137 int freq); 138 void *vendor_action_cb_ctx; 139 140 void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr, 141 const u8 *uuid_e); 142 void *wps_reg_success_cb_ctx; 143 144 void (*wps_event_cb)(void *ctx, enum wps_event event, 145 union wps_event_data *data); 146 void *wps_event_cb_ctx; 147 148 void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr, 149 int authorized); 150 void *sta_authorized_cb_ctx; 151 152 void (*setup_complete_cb)(void *ctx); 153 void *setup_complete_cb_ctx; 154 155 #ifdef CONFIG_P2P 156 struct p2p_data *p2p; 157 struct p2p_group *p2p_group; 158 struct wpabuf *p2p_beacon_ie; 159 struct wpabuf *p2p_probe_resp_ie; 160 161 /* Number of non-P2P association stations */ 162 int num_sta_no_p2p; 163 164 /* Periodic NoA (used only when no non-P2P clients in the group) */ 165 int noa_enabled; 166 int noa_start; 167 int noa_duration; 168 #endif /* CONFIG_P2P */ 169 }; 170 171 172 /** 173 * struct hostapd_iface - hostapd per-interface data structure 174 */ 175 struct hostapd_iface { 176 struct hapd_interfaces *interfaces; 177 void *owner; 178 int (*reload_config)(struct hostapd_iface *iface); 179 struct hostapd_config * (*config_read_cb)(const char *config_fname); 180 char *config_fname; 181 struct hostapd_config *conf; 182 183 size_t num_bss; 184 struct hostapd_data **bss; 185 186 int num_ap; /* number of entries in ap_list */ 187 struct ap_info *ap_list; /* AP info list head */ 188 struct ap_info *ap_hash[STA_HASH_SIZE]; 189 struct ap_info *ap_iter_list; 190 191 unsigned int drv_flags; 192 struct hostapd_hw_modes *hw_features; 193 int num_hw_features; 194 struct hostapd_hw_modes *current_mode; 195 /* Rates that are currently used (i.e., filtered copy of 196 * current_mode->channels */ 197 int num_rates; 198 struct hostapd_rate_data *current_rates; 199 int freq; 200 201 u16 hw_flags; 202 203 /* Number of associated Non-ERP stations (i.e., stations using 802.11b 204 * in 802.11g BSS) */ 205 int num_sta_non_erp; 206 207 /* Number of associated stations that do not support Short Slot Time */ 208 int num_sta_no_short_slot_time; 209 210 /* Number of associated stations that do not support Short Preamble */ 211 int num_sta_no_short_preamble; 212 213 int olbc; /* Overlapping Legacy BSS Condition */ 214 215 /* Number of HT associated stations that do not support greenfield */ 216 int num_sta_ht_no_gf; 217 218 /* Number of associated non-HT stations */ 219 int num_sta_no_ht; 220 221 /* Number of HT associated stations 20 MHz */ 222 int num_sta_ht_20mhz; 223 224 /* Overlapping BSS information */ 225 int olbc_ht; 226 227 u16 ht_op_mode; 228 void (*scan_cb)(struct hostapd_iface *iface); 229 230 int (*ctrl_iface_init)(struct hostapd_data *hapd); 231 void (*ctrl_iface_deinit)(struct hostapd_data *hapd); 232 233 int (*for_each_interface)(struct hapd_interfaces *interfaces, 234 int (*cb)(struct hostapd_iface *iface, 235 void *ctx), void *ctx); 236 }; 237 238 /* hostapd.c */ 239 int hostapd_reload_config(struct hostapd_iface *iface); 240 struct hostapd_data * 241 hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface, 242 struct hostapd_config *conf, 243 struct hostapd_bss_config *bss); 244 int hostapd_setup_interface(struct hostapd_iface *iface); 245 int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err); 246 void hostapd_interface_deinit(struct hostapd_iface *iface); 247 void hostapd_interface_free(struct hostapd_iface *iface); 248 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta, 249 int reassoc); 250 251 /* utils.c */ 252 int hostapd_register_probereq_cb(struct hostapd_data *hapd, 253 int (*cb)(void *ctx, const u8 *sa, 254 const u8 *ie, size_t ie_len), 255 void *ctx); 256 void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr); 257 258 /* drv_callbacks.c (TODO: move to somewhere else?) */ 259 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr, 260 const u8 *ie, size_t ielen, int reassoc); 261 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr); 262 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr); 263 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, 264 const u8 *ie, size_t ie_len); 265 266 #endif /* HOSTAPD_H */ 267