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;
28 struct ieee80211_ht_capabilities;
29 struct full_dynamic_vlan;
31 struct hostapd_probereq_cb {
32 void (*cb)(void *ctx, const u8 *sa, const u8 *ie, size_t ie_len);
36 #define HOSTAPD_RATE_BASIC 0x00000001
38 struct hostapd_rate_data {
39 int rate; /* rate in 100 kbps */
40 int flags; /* HOSTAPD_RATE_ flags */
44 struct hostapd_driver_ops {
45 int (*set_ap_wps_ie)(struct hostapd_data *hapd,
46 const struct wpabuf *beacon,
47 const struct wpabuf *probe);
48 int (*send_mgmt_frame)(struct hostapd_data *hapd, const void *msg,
50 int (*send_eapol)(struct hostapd_data *hapd, const u8 *addr,
51 const u8 *data, size_t data_len, int encrypt);
52 int (*set_authorized)(struct hostapd_data *hapd, struct sta_info *sta,
54 int (*set_key)(const char *ifname, struct hostapd_data *hapd,
55 wpa_alg alg, const u8 *addr, int key_idx,
56 int set_tx, const u8 *seq, size_t seq_len,
57 const u8 *key, size_t key_len);
58 int (*read_sta_data)(struct hostapd_data *hapd,
59 struct hostap_sta_driver_data *data,
61 int (*sta_clear_stats)(struct hostapd_data *hapd, const u8 *addr);
62 int (*set_sta_flags)(struct hostapd_data *hapd, struct sta_info *sta);
63 int (*set_drv_ieee8021x)(struct hostapd_data *hapd, const char *ifname,
65 int (*set_radius_acl_auth)(struct hostapd_data *hapd,
66 const u8 *mac, int accepted,
68 int (*set_radius_acl_expire)(struct hostapd_data *hapd,
70 int (*set_bss_params)(struct hostapd_data *hapd, int use_protection);
71 int (*set_beacon)(const char *ifname, struct hostapd_data *hapd,
72 const u8 *head, size_t head_len,
73 const u8 *tail, size_t tail_len, int dtim_period,
75 int (*vlan_if_add)(struct hostapd_data *hapd, const char *ifname);
76 int (*vlan_if_remove)(struct hostapd_data *hapd, const char *ifname);
77 int (*set_wds_sta)(struct hostapd_data *hapd, const u8 *addr, int aid,
79 int (*set_sta_vlan)(const char *ifname, struct hostapd_data *hapd,
80 const u8 *addr, int vlan_id);
81 int (*get_inact_sec)(struct hostapd_data *hapd, const u8 *addr);
82 int (*sta_deauth)(struct hostapd_data *hapd, const u8 *addr,
84 int (*sta_disassoc)(struct hostapd_data *hapd, const u8 *addr,
86 int (*sta_add)(const char *ifname, struct hostapd_data *hapd,
87 const u8 *addr, u16 aid, u16 capability,
88 const u8 *supp_rates, size_t supp_rates_len,
90 const struct ieee80211_ht_capabilities *ht_capab);
91 int (*sta_remove)(struct hostapd_data *hapd, const u8 *addr);
92 int (*set_countermeasures)(struct hostapd_data *hapd, int enabled);
96 * struct hostapd_data - hostapd per-BSS data structure
99 struct hostapd_iface *iface;
100 struct hostapd_config *iconf;
101 struct hostapd_bss_config *conf;
102 int interface_added; /* virtual interface added for this BSS */
104 u8 own_addr[ETH_ALEN];
106 int num_sta; /* number of entries in sta_list */
107 struct sta_info *sta_list; /* STA info list head */
108 #define STA_HASH_SIZE 256
109 #define STA_HASH(sta) (sta[5])
110 struct sta_info *sta_hash[STA_HASH_SIZE];
113 * Bitfield for indicating which AIDs are allocated. Only AID values
114 * 1-2007 are used and as such, the bit at index 0 corresponds to AID
117 #define AID_WORDS ((2008 + 31) / 32)
118 u32 sta_aid[AID_WORDS];
120 const struct wpa_driver_ops *driver;
122 struct hostapd_driver_ops drv;
124 void (*new_assoc_sta_cb)(struct hostapd_data *hapd,
125 struct sta_info *sta, int reassoc);
127 void *msg_ctx; /* ctx for wpa_msg() calls */
129 struct radius_client_data *radius;
130 u32 acct_session_id_hi, acct_session_id_lo;
132 struct iapp_data *iapp;
134 struct hostapd_cached_radius_acl *acl_cache;
135 struct hostapd_acl_query_data *acl_queries;
137 struct wpa_authenticator *wpa_auth;
138 struct eapol_authenticator *eapol_auth;
140 struct rsn_preauth_interface *preauth_iface;
141 time_t michael_mic_failure;
142 int michael_mic_failures;
143 int tkip_countermeasures;
146 struct wpa_ctrl_dst *ctrl_dst;
149 void *eap_sim_db_priv;
150 struct radius_server_data *radius_srv;
152 int parameter_set_count;
154 #ifdef CONFIG_FULL_DYNAMIC_VLAN
155 struct full_dynamic_vlan *full_dynamic_vlan;
156 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
158 struct l2_packet_data *l2;
159 struct wps_context *wps;
162 struct wpabuf *wps_beacon_ie;
163 struct wpabuf *wps_probe_resp_ie;
164 unsigned int ap_pin_failures;
165 struct upnp_wps_device_sm *wps_upnp;
166 #endif /* CONFIG_WPS */
168 struct hostapd_probereq_cb *probereq_cb;
169 size_t num_probereq_cb;
174 * struct hostapd_iface - hostapd per-interface data structure
176 struct hostapd_iface {
177 struct hapd_interfaces *interfaces;
179 int (*reload_config)(struct hostapd_iface *iface);
180 struct hostapd_config * (*config_read_cb)(const char *config_fname);
182 struct hostapd_config *conf;
185 struct hostapd_data **bss;
187 int num_ap; /* number of entries in ap_list */
188 struct ap_info *ap_list; /* AP info list head */
189 struct ap_info *ap_hash[STA_HASH_SIZE];
190 struct ap_info *ap_iter_list;
192 struct hostapd_hw_modes *hw_features;
194 struct hostapd_hw_modes *current_mode;
195 /* Rates that are currently used (i.e., filtered copy of
196 * current_mode->channels */
198 struct hostapd_rate_data *current_rates;
202 /* Number of associated Non-ERP stations (i.e., stations using 802.11b
206 /* Number of associated stations that do not support Short Slot Time */
207 int num_sta_no_short_slot_time;
209 /* Number of associated stations that do not support Short Preamble */
210 int num_sta_no_short_preamble;
212 int olbc; /* Overlapping Legacy BSS Condition */
214 /* Number of HT associated stations that do not support greenfield */
215 int num_sta_ht_no_gf;
217 /* Number of associated non-HT stations */
220 /* Number of HT associated stations 20 MHz */
221 int num_sta_ht_20mhz;
223 /* Overlapping BSS information */
227 void (*scan_cb)(struct hostapd_iface *iface);
230 int hostapd_reload_config(struct hostapd_iface *iface);
231 struct hostapd_data *
232 hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
233 struct hostapd_config *conf,
234 struct hostapd_bss_config *bss);
235 int hostapd_setup_interface(struct hostapd_iface *iface);
236 int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
237 void hostapd_interface_deinit(struct hostapd_iface *iface);
238 int handle_reload_iface(struct hostapd_iface *iface, void *ctx);
239 int handle_dump_state_iface(struct hostapd_iface *iface, void *ctx);
241 int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
242 int (*cb)(struct hostapd_iface *iface,
243 void *ctx), void *ctx);
245 int hostapd_register_probereq_cb(struct hostapd_data *hapd,
246 void (*cb)(void *ctx, const u8 *sa,
247 const u8 *ie, size_t ie_len),
250 int eap_server_register_methods(void);
251 void hostapd_set_driver_ops(struct hostapd_driver_ops *ops);
252 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
255 #endif /* HOSTAPD_H */