2 * hostapd / Initialization and configuration
3 * Copyright (c) 2002-2009, Jouni Malinen <j@w1.fi>
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.
9 * Alternatively, this software may be distributed under the terms of BSD
12 * See README and COPYING for more details.
18 #include "common/defs.h"
20 struct wpa_driver_ops;
22 struct radius_server_data;
23 struct upnp_wps_device_sm;
24 struct hapd_interfaces;
27 struct hostap_sta_driver_data;
29 #ifdef CONFIG_FULL_DYNAMIC_VLAN
30 struct full_dynamic_vlan;
31 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
33 struct hostapd_probereq_cb {
34 void (*cb)(void *ctx, const u8 *sa, const u8 *ie, size_t ie_len);
38 #define HOSTAPD_RATE_BASIC 0x00000001
40 struct hostapd_rate_data {
41 int rate; /* rate in 100 kbps */
42 int flags; /* HOSTAPD_RATE_ flags */
46 struct hostapd_driver_ops {
47 int (*set_ap_wps_ie)(struct hostapd_data *hapd,
48 const struct wpabuf *beacon,
49 const struct wpabuf *probe);
50 int (*send_mgmt_frame)(struct hostapd_data *hapd, const void *msg,
52 int (*send_eapol)(struct hostapd_data *hapd, const u8 *addr,
53 const u8 *data, size_t data_len, int encrypt);
54 int (*set_authorized)(struct hostapd_data *hapd, struct sta_info *sta,
56 int (*set_key)(const char *ifname, struct hostapd_data *hapd,
57 wpa_alg alg, const u8 *addr, int key_idx,
58 int set_tx, const u8 *seq, size_t seq_len,
59 const u8 *key, size_t key_len);
60 int (*read_sta_data)(struct hostapd_data *hapd,
61 struct hostap_sta_driver_data *data,
63 int (*sta_clear_stats)(struct hostapd_data *hapd, const u8 *addr);
64 int (*set_sta_flags)(struct hostapd_data *hapd, struct sta_info *sta);
65 int (*set_drv_ieee8021x)(struct hostapd_data *hapd, const char *ifname,
67 int (*set_radius_acl_auth)(struct hostapd_data *hapd,
68 const u8 *mac, int accepted,
70 int (*set_radius_acl_expire)(struct hostapd_data *hapd,
72 int (*set_bss_params)(struct hostapd_data *hapd, int use_protection);
73 int (*set_beacon)(const char *ifname, struct hostapd_data *hapd,
74 const u8 *head, size_t head_len,
75 const u8 *tail, size_t tail_len, int dtim_period,
77 int (*vlan_if_add)(struct hostapd_data *hapd, const char *ifname);
78 int (*vlan_if_remove)(struct hostapd_data *hapd, const char *ifname);
82 * struct hostapd_data - hostapd per-BSS data structure
85 struct hostapd_iface *iface;
86 struct hostapd_config *iconf;
87 struct hostapd_bss_config *conf;
88 int interface_added; /* virtual interface added for this BSS */
90 u8 own_addr[ETH_ALEN];
92 int num_sta; /* number of entries in sta_list */
93 struct sta_info *sta_list; /* STA info list head */
94 #define STA_HASH_SIZE 256
95 #define STA_HASH(sta) (sta[5])
96 struct sta_info *sta_hash[STA_HASH_SIZE];
99 * Bitfield for indicating which AIDs are allocated. Only AID values
100 * 1-2007 are used and as such, the bit at index 0 corresponds to AID
103 #define AID_WORDS ((2008 + 31) / 32)
104 u32 sta_aid[AID_WORDS];
106 const struct wpa_driver_ops *driver;
108 struct hostapd_driver_ops drv;
110 void (*new_assoc_sta_cb)(struct hostapd_data *hapd,
111 struct sta_info *sta, int reassoc);
113 void *msg_ctx; /* ctx for wpa_msg() calls */
115 struct radius_client_data *radius;
116 u32 acct_session_id_hi, acct_session_id_lo;
118 struct iapp_data *iapp;
120 struct hostapd_cached_radius_acl *acl_cache;
121 struct hostapd_acl_query_data *acl_queries;
123 struct wpa_authenticator *wpa_auth;
124 struct eapol_authenticator *eapol_auth;
126 struct rsn_preauth_interface *preauth_iface;
127 time_t michael_mic_failure;
128 int michael_mic_failures;
129 int tkip_countermeasures;
132 struct wpa_ctrl_dst *ctrl_dst;
135 void *eap_sim_db_priv;
136 struct radius_server_data *radius_srv;
138 int parameter_set_count;
140 #ifdef CONFIG_FULL_DYNAMIC_VLAN
141 struct full_dynamic_vlan *full_dynamic_vlan;
142 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
144 struct l2_packet_data *l2;
145 struct wps_context *wps;
148 struct wpabuf *wps_beacon_ie;
149 struct wpabuf *wps_probe_resp_ie;
150 unsigned int ap_pin_failures;
151 struct upnp_wps_device_sm *wps_upnp;
152 #endif /* CONFIG_WPS */
154 struct hostapd_probereq_cb *probereq_cb;
155 size_t num_probereq_cb;
160 * struct hostapd_iface - hostapd per-interface data structure
162 struct hostapd_iface {
163 struct hapd_interfaces *interfaces;
165 struct hostapd_config * (*config_read_cb)(const char *config_fname);
167 struct hostapd_config *conf;
170 struct hostapd_data **bss;
172 int num_ap; /* number of entries in ap_list */
173 struct ap_info *ap_list; /* AP info list head */
174 struct ap_info *ap_hash[STA_HASH_SIZE];
175 struct ap_info *ap_iter_list;
177 struct hostapd_hw_modes *hw_features;
179 struct hostapd_hw_modes *current_mode;
180 /* Rates that are currently used (i.e., filtered copy of
181 * current_mode->channels */
183 struct hostapd_rate_data *current_rates;
187 /* Number of associated Non-ERP stations (i.e., stations using 802.11b
191 /* Number of associated stations that do not support Short Slot Time */
192 int num_sta_no_short_slot_time;
194 /* Number of associated stations that do not support Short Preamble */
195 int num_sta_no_short_preamble;
197 int olbc; /* Overlapping Legacy BSS Condition */
199 /* Number of HT associated stations that do not support greenfield */
200 int num_sta_ht_no_gf;
202 /* Number of associated non-HT stations */
205 /* Number of HT associated stations 20 MHz */
206 int num_sta_ht_20mhz;
208 /* Overlapping BSS information */
212 void (*scan_cb)(struct hostapd_iface *iface);
215 int hostapd_reload_config(struct hostapd_iface *iface);
216 struct hostapd_data *
217 hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
218 struct hostapd_config *conf,
219 struct hostapd_bss_config *bss);
220 int hostapd_setup_interface(struct hostapd_iface *iface);
221 int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
222 void hostapd_interface_deinit(struct hostapd_iface *iface);
223 int handle_reload_iface(struct hostapd_iface *iface, void *ctx);
224 int handle_dump_state_iface(struct hostapd_iface *iface, void *ctx);
226 int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
227 int (*cb)(struct hostapd_iface *iface,
228 void *ctx), void *ctx);
230 int hostapd_register_probereq_cb(struct hostapd_data *hapd,
231 void (*cb)(void *ctx, const u8 *sa,
232 const u8 *ie, size_t ie_len),
235 int eap_server_register_methods(void);
236 void hostapd_set_driver_ops(struct hostapd_driver_ops *ops);
237 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
240 #endif /* HOSTAPD_H */