2 * hostapd / Initialization and configuration
3 * Host AP kernel driver
4 * Copyright (c) 2002-2007, Jouni Malinen <j@w1.fi>
5 * Copyright (c) 2007-2008, Intel Corporation
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License version 2 as
9 * published by the Free Software Foundation.
11 * Alternatively, this software may be distributed under the terms of BSD
14 * See README and COPYING for more details.
30 #define ETH_P_ALL 0x0003
33 #define ETH_P_PAE 0x888E /* Port Access Entity (IEEE 802.1X) */
34 #endif /* ETH_P_PAE */
36 #define ETH_P_EAPOL ETH_P_PAE
37 #endif /* ETH_P_EAPOL */
40 #define ETH_P_RRB 0x890D
41 #endif /* ETH_P_RRB */
49 #define MAX_VLAN_ID 4094
58 struct ieee80211_hdr {
65 /* followed by 'u8 addr4[6];' if ToDS and FromDS is set in data frame
73 #define IEEE80211_DA_FROMDS addr1
74 #define IEEE80211_BSSID_FROMDS addr2
75 #define IEEE80211_SA_FROMDS addr3
77 #define IEEE80211_HDRLEN (sizeof(struct ieee80211_hdr))
79 #define IEEE80211_FC(type, stype) host_to_le16((type << 2) | (stype << 4))
81 /* MTU to be set for the wlan#ap device; this is mainly needed for IEEE 802.1X
82 * frames that might be longer than normal default MTU and they are not
84 #define HOSTAPD_MTU 2290
86 extern unsigned char rfc1042_header[6];
88 struct hostap_sta_driver_data {
89 unsigned long rx_packets, tx_packets, rx_bytes, tx_bytes;
90 unsigned long current_tx_rate;
91 unsigned long inactive_msec;
93 unsigned long num_ps_buf_frames;
94 unsigned long tx_retry_failed;
95 unsigned long tx_retry_count;
100 struct wpa_driver_ops;
102 struct radius_server_data;
104 #ifdef CONFIG_FULL_DYNAMIC_VLAN
105 struct full_dynamic_vlan;
106 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
109 * struct hostapd_data - hostapd per-BSS data structure
111 struct hostapd_data {
112 struct hostapd_iface *iface;
113 struct hostapd_config *iconf;
114 struct hostapd_bss_config *conf;
115 int interface_added; /* virtual interface added for this BSS */
117 u8 own_addr[ETH_ALEN];
119 int num_sta; /* number of entries in sta_list */
120 struct sta_info *sta_list; /* STA info list head */
121 struct sta_info *sta_hash[STA_HASH_SIZE];
123 /* pointers to STA info; based on allocated AID or NULL if AID free
124 * AID is in the range 1-2007, so sta_aid[0] corresponders to AID 1
127 struct sta_info *sta_aid[MAX_AID_TABLE_SIZE];
129 const struct wpa_driver_ops *driver;
133 u8 default_wep_key_idx;
135 struct radius_client_data *radius;
136 int radius_client_reconfigured;
137 u32 acct_session_id_hi, acct_session_id_lo;
139 struct iapp_data *iapp;
141 enum { DO_NOT_ASSOC = 0, WAIT_BEACON, AUTHENTICATE, ASSOCIATE,
142 ASSOCIATED } assoc_ap_state;
143 char assoc_ap_ssid[33];
144 int assoc_ap_ssid_len;
147 struct hostapd_cached_radius_acl *acl_cache;
148 struct hostapd_acl_query_data *acl_queries;
150 struct wpa_authenticator *wpa_auth;
151 struct eapol_authenticator *eapol_auth;
153 struct rsn_preauth_interface *preauth_iface;
154 time_t michael_mic_failure;
155 int michael_mic_failures;
156 int tkip_countermeasures;
159 struct wpa_ctrl_dst *ctrl_dst;
162 void *eap_sim_db_priv;
163 struct radius_server_data *radius_srv;
165 int parameter_set_count;
167 #ifdef CONFIG_FULL_DYNAMIC_VLAN
168 struct full_dynamic_vlan *full_dynamic_vlan;
169 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
171 struct l2_packet_data *l2;
176 * hostapd_iface_cb - Generic callback type for per-iface asynchronous requests
177 * @iface: the interface the event occured on.
178 * @status: 0 if the request succeeded; -1 if the request failed.
180 typedef void (*hostapd_iface_cb)(struct hostapd_iface *iface, int status);
183 struct hostapd_config_change;
186 * struct hostapd_iface - hostapd per-interface data structure
188 struct hostapd_iface {
190 struct hostapd_config *conf;
192 hostapd_iface_cb setup_cb;
195 struct hostapd_data **bss;
197 int num_ap; /* number of entries in ap_list */
198 struct ap_info *ap_list; /* AP info list head */
199 struct ap_info *ap_hash[STA_HASH_SIZE];
200 struct ap_info *ap_iter_list;
202 struct hostapd_hw_modes *hw_features;
204 struct hostapd_hw_modes *current_mode;
205 /* Rates that are currently used (i.e., filtered copy of
206 * current_mode->channels */
208 struct hostapd_rate_data *current_rates;
209 hostapd_iface_cb hw_mode_sel_cb;
213 /* Number of associated Non-ERP stations (i.e., stations using 802.11b
217 /* Number of associated stations that do not support Short Slot Time */
218 int num_sta_no_short_slot_time;
220 /* Number of associated stations that do not support Short Preamble */
221 int num_sta_no_short_preamble;
223 int olbc; /* Overlapping Legacy BSS Condition */
225 /* Number of HT associated stations that do not support greenfield */
226 int num_sta_ht_no_gf;
228 /* Number of associated non-HT stations */
231 /* Number of HT associated stations 20 MHz */
232 int num_sta_ht_20mhz;
234 /* Overlapping BSS information */
239 unsigned int tx_power;
240 unsigned int sta_max_power;
242 unsigned int channel_switch;
244 #ifdef CONFIG_IEEE80211N
246 #endif /* CONFIG_IEEE80211N */
249 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
252 #endif /* HOSTAPD_H */