2 * hostapd / Initialization and configuration
3 * Copyright (c) 2002-2013, Jouni Malinen <j@w1.fi>
5 * This software may be distributed under the terms of the BSD license.
6 * See README for more details.
12 #include "common/defs.h"
13 #include "ap_config.h"
15 struct wpa_driver_ops;
17 struct radius_server_data;
18 struct upnp_wps_device_sm;
21 struct hostap_sta_driver_data;
22 struct ieee80211_ht_capabilities;
23 struct full_dynamic_vlan;
28 struct hostapd_dynamic_iface;
30 struct hapd_interfaces {
31 int (*reload_config)(struct hostapd_iface *iface);
32 struct hostapd_config * (*config_read_cb)(const char *config_fname);
33 int (*ctrl_iface_init)(struct hostapd_data *hapd);
34 void (*ctrl_iface_deinit)(struct hostapd_data *hapd);
35 int (*for_each_interface)(struct hapd_interfaces *interfaces,
36 int (*cb)(struct hostapd_iface *iface,
37 void *ctx), void *ctx);
38 int (*driver_init)(struct hostapd_iface *iface);
43 char *global_iface_path;
44 char *global_iface_name;
45 gid_t ctrl_iface_group;
46 struct hostapd_iface **iface;
47 struct hostapd_dynamic_iface **dynamic_iface;
50 enum hostapd_chan_status {
51 HOSTAPD_CHAN_VALID = 0, /* channel is ready */
52 HOSTAPD_CHAN_INVALID = 1, /* no usable channel found */
53 HOSTAPD_CHAN_ACS = 2, /* ACS work being performed */
56 struct hostapd_probereq_cb {
57 int (*cb)(void *ctx, const u8 *sa, const u8 *da, const u8 *bssid,
58 const u8 *ie, size_t ie_len, int ssi_signal);
62 #define HOSTAPD_RATE_BASIC 0x00000001
64 struct hostapd_rate_data {
65 int rate; /* rate in 100 kbps */
66 int flags; /* HOSTAPD_RATE_ flags */
69 struct hostapd_frame_info {
72 int ssi_signal; /* dBm */
76 WPS_STATUS_SUCCESS = 1,
81 WPS_PBC_STATUS_DISABLE,
82 WPS_PBC_STATUS_ACTIVE,
83 WPS_PBC_STATUS_TIMEOUT,
84 WPS_PBC_STATUS_OVERLAP
88 enum wps_status status;
89 enum wps_error_indication failure_reason;
90 enum pbc_status pbc_status;
91 u8 peer_addr[ETH_ALEN];
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;
103 u8 own_addr[ETH_ALEN];
105 int num_sta; /* number of entries in sta_list */
106 struct sta_info *sta_list; /* STA info list head */
107 #define STA_HASH_SIZE 256
108 #define STA_HASH(sta) (sta[5])
109 struct sta_info *sta_hash[STA_HASH_SIZE];
112 * Bitfield for indicating which AIDs are allocated. Only AID values
113 * 1-2007 are used and as such, the bit at index 0 corresponds to AID
116 #define AID_WORDS ((2008 + 31) / 32)
117 u32 sta_aid[AID_WORDS];
119 const struct wpa_driver_ops *driver;
122 void (*new_assoc_sta_cb)(struct hostapd_data *hapd,
123 struct sta_info *sta, int reassoc);
125 void *msg_ctx; /* ctx for wpa_msg() calls */
126 void *msg_ctx_parent; /* parent interface ctx for wpa_msg() calls */
128 struct radius_client_data *radius;
129 u32 acct_session_id_hi, acct_session_id_lo;
130 struct radius_das_data *radius_das;
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 /* DFS specific parameters */
157 /* Time Advertisement */
158 u8 time_update_counter;
159 struct wpabuf *time_adv;
161 #ifdef CONFIG_FULL_DYNAMIC_VLAN
162 struct full_dynamic_vlan *full_dynamic_vlan;
163 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
165 struct l2_packet_data *l2;
166 struct wps_context *wps;
169 struct wpabuf *wps_beacon_ie;
170 struct wpabuf *wps_probe_resp_ie;
172 unsigned int ap_pin_failures;
173 unsigned int ap_pin_failures_consecutive;
174 struct upnp_wps_device_sm *wps_upnp;
175 unsigned int ap_pin_lockout_time;
177 struct wps_stat wps_stats;
178 #endif /* CONFIG_WPS */
180 struct hostapd_probereq_cb *probereq_cb;
181 size_t num_probereq_cb;
183 void (*public_action_cb)(void *ctx, const u8 *buf, size_t len,
185 void *public_action_cb_ctx;
186 void (*public_action_cb2)(void *ctx, const u8 *buf, size_t len,
188 void *public_action_cb2_ctx;
190 int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len,
192 void *vendor_action_cb_ctx;
194 void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr,
196 void *wps_reg_success_cb_ctx;
198 void (*wps_event_cb)(void *ctx, enum wps_event event,
199 union wps_event_data *data);
200 void *wps_event_cb_ctx;
202 void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr,
203 int authorized, const u8 *p2p_dev_addr);
204 void *sta_authorized_cb_ctx;
206 void (*setup_complete_cb)(void *ctx);
207 void *setup_complete_cb_ctx;
209 void (*new_psk_cb)(void *ctx, const u8 *mac_addr,
210 const u8 *p2p_dev_addr, const u8 *psk,
212 void *new_psk_cb_ctx;
215 struct p2p_data *p2p;
216 struct p2p_group *p2p_group;
217 struct wpabuf *p2p_beacon_ie;
218 struct wpabuf *p2p_probe_resp_ie;
220 /* Number of non-P2P association stations */
223 /* Periodic NoA (used only when no non-P2P clients in the group) */
227 #endif /* CONFIG_P2P */
228 #ifdef CONFIG_INTERWORKING
229 size_t gas_frag_limit;
230 #endif /* CONFIG_INTERWORKING */
233 struct hostapd_eap_user tmp_eap_user;
234 #endif /* CONFIG_SQLITE */
237 /** Key used for generating SAE anti-clogging tokens */
239 os_time_t last_sae_token_key_update;
240 #endif /* CONFIG_SAE */
245 * struct hostapd_iface - hostapd per-interface data structure
247 struct hostapd_iface {
248 struct hapd_interfaces *interfaces;
251 struct hostapd_config *conf;
252 char phy[16]; /* Name of the PHY (radio) */
254 enum hostapd_iface_state {
255 HAPD_IFACE_UNINITIALIZED,
257 HAPD_IFACE_COUNTRY_UPDATE,
265 struct hostapd_data **bss;
267 unsigned int wait_channel_update:1;
269 int num_ap; /* number of entries in ap_list */
270 struct ap_info *ap_list; /* AP info list head */
271 struct ap_info *ap_hash[STA_HASH_SIZE];
273 unsigned int drv_flags;
276 * A bitmap of supported protocols for probe response offload. See
277 * struct wpa_driver_capa in driver.h
279 unsigned int probe_resp_offloads;
281 /* extended capabilities supported by the driver */
282 const u8 *extended_capa, *extended_capa_mask;
283 unsigned int extended_capa_len;
285 unsigned int drv_max_acl_mac_addrs;
287 struct hostapd_hw_modes *hw_features;
289 struct hostapd_hw_modes *current_mode;
290 /* Rates that are currently used (i.e., filtered copy of
291 * current_mode->channels */
293 struct hostapd_rate_data *current_rates;
299 /* Number of associated Non-ERP stations (i.e., stations using 802.11b
303 /* Number of associated stations that do not support Short Slot Time */
304 int num_sta_no_short_slot_time;
306 /* Number of associated stations that do not support Short Preamble */
307 int num_sta_no_short_preamble;
309 int olbc; /* Overlapping Legacy BSS Condition */
311 /* Number of HT associated stations that do not support greenfield */
312 int num_sta_ht_no_gf;
314 /* Number of associated non-HT stations */
317 /* Number of HT associated stations 20 MHz */
318 int num_sta_ht_20mhz;
320 /* Overlapping BSS information */
325 /* surveying helpers */
327 /* number of channels surveyed */
328 unsigned int chans_surveyed;
330 /* lowest observed noise floor in dBm */
334 unsigned int acs_num_completed_scans;
335 #endif /* CONFIG_ACS */
337 void (*scan_cb)(struct hostapd_iface *iface);
341 * struct hostapd_dynamic_iface - hostapd per dynamically allocated
342 * or added interface data structure
344 struct hostapd_dynamic_iface {
345 char parent[IFNAMSIZ + 1];
346 char iface[IFNAMSIZ + 1];
351 int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
352 int (*cb)(struct hostapd_iface *iface,
353 void *ctx), void *ctx);
354 int hostapd_reload_config(struct hostapd_iface *iface);
355 struct hostapd_data *
356 hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
357 struct hostapd_config *conf,
358 struct hostapd_bss_config *bss);
359 int hostapd_setup_interface(struct hostapd_iface *iface);
360 int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
361 void hostapd_interface_deinit(struct hostapd_iface *iface);
362 void hostapd_interface_free(struct hostapd_iface *iface);
363 struct hostapd_iface * hostapd_init(struct hapd_interfaces *interfaces,
364 const char *config_file);
365 struct hostapd_iface *
366 hostapd_interface_init_bss(struct hapd_interfaces *interfaces, const char *phy,
367 const char *config_fname, int debug);
368 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
370 void hostapd_interface_deinit_free(struct hostapd_iface *iface);
371 int hostapd_enable_iface(struct hostapd_iface *hapd_iface);
372 int hostapd_reload_iface(struct hostapd_iface *hapd_iface);
373 int hostapd_disable_iface(struct hostapd_iface *hapd_iface);
374 int hostapd_add_iface(struct hapd_interfaces *ifaces, char *buf);
375 int hostapd_remove_iface(struct hapd_interfaces *ifaces, char *buf);
376 void hostapd_channel_list_updated(struct hostapd_iface *iface);
377 void hostapd_set_state(struct hostapd_iface *iface, enum hostapd_iface_state s);
378 const char * hostapd_state_text(enum hostapd_iface_state s);
381 int hostapd_register_probereq_cb(struct hostapd_data *hapd,
382 int (*cb)(void *ctx, const u8 *sa,
383 const u8 *da, const u8 *bssid,
384 const u8 *ie, size_t ie_len,
387 void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr);
389 /* drv_callbacks.c (TODO: move to somewhere else?) */
390 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
391 const u8 *ie, size_t ielen, int reassoc);
392 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
393 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr);
394 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
395 const u8 *addr, int reason_code);
396 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
397 const u8 *bssid, const u8 *ie, size_t ie_len,
399 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
402 const struct hostapd_eap_user *
403 hostapd_get_eap_user(struct hostapd_data *hapd, const u8 *identity,
404 size_t identity_len, int phase2);
406 #endif /* HOSTAPD_H */