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;
32 struct hapd_interfaces {
33 int (*reload_config)(struct hostapd_iface *iface);
34 struct hostapd_config * (*config_read_cb)(const char *config_fname);
35 int (*ctrl_iface_init)(struct hostapd_data *hapd);
36 void (*ctrl_iface_deinit)(struct hostapd_data *hapd);
37 int (*for_each_interface)(struct hapd_interfaces *interfaces,
38 int (*cb)(struct hostapd_iface *iface,
39 void *ctx), void *ctx);
40 int (*driver_init)(struct hostapd_iface *iface);
45 char *global_iface_path;
46 char *global_iface_name;
47 #ifndef CONFIG_NATIVE_WINDOWS
48 gid_t ctrl_iface_group;
49 #endif /* CONFIG_NATIVE_WINDOWS */
50 struct hostapd_iface **iface;
51 struct hostapd_dynamic_iface **dynamic_iface;
53 size_t terminate_on_error;
56 enum hostapd_chan_status {
57 HOSTAPD_CHAN_VALID = 0, /* channel is ready */
58 HOSTAPD_CHAN_INVALID = 1, /* no usable channel found */
59 HOSTAPD_CHAN_ACS = 2, /* ACS work being performed */
62 struct hostapd_probereq_cb {
63 int (*cb)(void *ctx, const u8 *sa, const u8 *da, const u8 *bssid,
64 const u8 *ie, size_t ie_len, int ssi_signal);
68 #define HOSTAPD_RATE_BASIC 0x00000001
70 struct hostapd_rate_data {
71 int rate; /* rate in 100 kbps */
72 int flags; /* HOSTAPD_RATE_ flags */
75 struct hostapd_frame_info {
78 int ssi_signal; /* dBm */
82 WPS_STATUS_SUCCESS = 1,
87 WPS_PBC_STATUS_DISABLE,
88 WPS_PBC_STATUS_ACTIVE,
89 WPS_PBC_STATUS_TIMEOUT,
90 WPS_PBC_STATUS_OVERLAP
94 enum wps_status status;
95 enum wps_error_indication failure_reason;
96 enum pbc_status pbc_status;
97 u8 peer_addr[ETH_ALEN];
102 * struct hostapd_data - hostapd per-BSS data structure
104 struct hostapd_data {
105 struct hostapd_iface *iface;
106 struct hostapd_config *iconf;
107 struct hostapd_bss_config *conf;
108 int interface_added; /* virtual interface added for this BSS */
109 unsigned int started:1;
111 u8 own_addr[ETH_ALEN];
113 int num_sta; /* number of entries in sta_list */
114 struct sta_info *sta_list; /* STA info list head */
115 #define STA_HASH_SIZE 256
116 #define STA_HASH(sta) (sta[5])
117 struct sta_info *sta_hash[STA_HASH_SIZE];
120 * Bitfield for indicating which AIDs are allocated. Only AID values
121 * 1-2007 are used and as such, the bit at index 0 corresponds to AID
124 #define AID_WORDS ((2008 + 31) / 32)
125 u32 sta_aid[AID_WORDS];
127 const struct wpa_driver_ops *driver;
130 void (*new_assoc_sta_cb)(struct hostapd_data *hapd,
131 struct sta_info *sta, int reassoc);
133 void *msg_ctx; /* ctx for wpa_msg() calls */
134 void *msg_ctx_parent; /* parent interface ctx for wpa_msg() calls */
136 struct radius_client_data *radius;
137 u32 acct_session_id_hi, acct_session_id_lo;
138 struct radius_das_data *radius_das;
140 struct iapp_data *iapp;
142 struct hostapd_cached_radius_acl *acl_cache;
143 struct hostapd_acl_query_data *acl_queries;
145 struct wpa_authenticator *wpa_auth;
146 struct eapol_authenticator *eapol_auth;
148 struct rsn_preauth_interface *preauth_iface;
149 struct os_reltime michael_mic_failure;
150 int michael_mic_failures;
151 int tkip_countermeasures;
154 struct wpa_ctrl_dst *ctrl_dst;
157 void *eap_sim_db_priv;
158 struct radius_server_data *radius_srv;
160 int parameter_set_count;
162 /* Time Advertisement */
163 u8 time_update_counter;
164 struct wpabuf *time_adv;
166 #ifdef CONFIG_FULL_DYNAMIC_VLAN
167 struct full_dynamic_vlan *full_dynamic_vlan;
168 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
170 struct l2_packet_data *l2;
171 struct wps_context *wps;
174 struct wpabuf *wps_beacon_ie;
175 struct wpabuf *wps_probe_resp_ie;
177 unsigned int ap_pin_failures;
178 unsigned int ap_pin_failures_consecutive;
179 struct upnp_wps_device_sm *wps_upnp;
180 unsigned int ap_pin_lockout_time;
182 struct wps_stat wps_stats;
183 #endif /* CONFIG_WPS */
185 struct hostapd_probereq_cb *probereq_cb;
186 size_t num_probereq_cb;
188 void (*public_action_cb)(void *ctx, const u8 *buf, size_t len,
190 void *public_action_cb_ctx;
191 void (*public_action_cb2)(void *ctx, const u8 *buf, size_t len,
193 void *public_action_cb2_ctx;
195 int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len,
197 void *vendor_action_cb_ctx;
199 void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr,
201 void *wps_reg_success_cb_ctx;
203 void (*wps_event_cb)(void *ctx, enum wps_event event,
204 union wps_event_data *data);
205 void *wps_event_cb_ctx;
207 void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr,
208 int authorized, const u8 *p2p_dev_addr);
209 void *sta_authorized_cb_ctx;
211 void (*setup_complete_cb)(void *ctx);
212 void *setup_complete_cb_ctx;
214 void (*new_psk_cb)(void *ctx, const u8 *mac_addr,
215 const u8 *p2p_dev_addr, const u8 *psk,
217 void *new_psk_cb_ctx;
220 struct p2p_data *p2p;
221 struct p2p_group *p2p_group;
222 struct wpabuf *p2p_beacon_ie;
223 struct wpabuf *p2p_probe_resp_ie;
225 /* Number of non-P2P association stations */
228 /* Periodic NoA (used only when no non-P2P clients in the group) */
232 #endif /* CONFIG_P2P */
233 #ifdef CONFIG_INTERWORKING
234 size_t gas_frag_limit;
235 #endif /* CONFIG_INTERWORKING */
238 struct hostapd_eap_user tmp_eap_user;
239 #endif /* CONFIG_SQLITE */
242 /** Key used for generating SAE anti-clogging tokens */
244 struct os_reltime last_sae_token_key_update;
245 #endif /* CONFIG_SAE */
250 * struct hostapd_iface - hostapd per-interface data structure
252 struct hostapd_iface {
253 struct hapd_interfaces *interfaces;
256 struct hostapd_config *conf;
257 char phy[16]; /* Name of the PHY (radio) */
259 enum hostapd_iface_state {
260 HAPD_IFACE_UNINITIALIZED,
262 HAPD_IFACE_COUNTRY_UPDATE,
270 struct hostapd_data **bss;
272 unsigned int wait_channel_update:1;
273 unsigned int cac_started:1;
275 int num_ap; /* number of entries in ap_list */
276 struct ap_info *ap_list; /* AP info list head */
277 struct ap_info *ap_hash[STA_HASH_SIZE];
279 unsigned int drv_flags;
282 * A bitmap of supported protocols for probe response offload. See
283 * struct wpa_driver_capa in driver.h
285 unsigned int probe_resp_offloads;
287 /* extended capabilities supported by the driver */
288 const u8 *extended_capa, *extended_capa_mask;
289 unsigned int extended_capa_len;
291 unsigned int drv_max_acl_mac_addrs;
293 struct hostapd_hw_modes *hw_features;
295 struct hostapd_hw_modes *current_mode;
296 /* Rates that are currently used (i.e., filtered copy of
297 * current_mode->channels */
299 struct hostapd_rate_data *current_rates;
305 /* Number of associated Non-ERP stations (i.e., stations using 802.11b
309 /* Number of associated stations that do not support Short Slot Time */
310 int num_sta_no_short_slot_time;
312 /* Number of associated stations that do not support Short Preamble */
313 int num_sta_no_short_preamble;
315 int olbc; /* Overlapping Legacy BSS Condition */
317 /* Number of HT associated stations that do not support greenfield */
318 int num_sta_ht_no_gf;
320 /* Number of associated non-HT stations */
323 /* Number of HT associated stations 20 MHz */
324 int num_sta_ht_20mhz;
326 /* Overlapping BSS information */
331 /* surveying helpers */
333 /* number of channels surveyed */
334 unsigned int chans_surveyed;
336 /* lowest observed noise floor in dBm */
339 /* channel switch parameters */
343 unsigned int cs_c_off_beacon;
344 unsigned int cs_c_off_proberesp;
348 unsigned int acs_num_completed_scans;
349 #endif /* CONFIG_ACS */
351 void (*scan_cb)(struct hostapd_iface *iface);
355 * struct hostapd_dynamic_iface - hostapd per dynamically allocated
356 * or added interface data structure
358 struct hostapd_dynamic_iface {
359 char parent[IFNAMSIZ + 1];
360 char iface[IFNAMSIZ + 1];
365 int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
366 int (*cb)(struct hostapd_iface *iface,
367 void *ctx), void *ctx);
368 int hostapd_reload_config(struct hostapd_iface *iface);
369 struct hostapd_data *
370 hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
371 struct hostapd_config *conf,
372 struct hostapd_bss_config *bss);
373 int hostapd_setup_interface(struct hostapd_iface *iface);
374 int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
375 void hostapd_interface_deinit(struct hostapd_iface *iface);
376 void hostapd_interface_free(struct hostapd_iface *iface);
377 struct hostapd_iface * hostapd_init(struct hapd_interfaces *interfaces,
378 const char *config_file);
379 struct hostapd_iface *
380 hostapd_interface_init_bss(struct hapd_interfaces *interfaces, const char *phy,
381 const char *config_fname, int debug);
382 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
384 void hostapd_interface_deinit_free(struct hostapd_iface *iface);
385 int hostapd_enable_iface(struct hostapd_iface *hapd_iface);
386 int hostapd_reload_iface(struct hostapd_iface *hapd_iface);
387 int hostapd_disable_iface(struct hostapd_iface *hapd_iface);
388 int hostapd_add_iface(struct hapd_interfaces *ifaces, char *buf);
389 int hostapd_remove_iface(struct hapd_interfaces *ifaces, char *buf);
390 void hostapd_channel_list_updated(struct hostapd_iface *iface, int initiator);
391 void hostapd_set_state(struct hostapd_iface *iface, enum hostapd_iface_state s);
392 const char * hostapd_state_text(enum hostapd_iface_state s);
393 int hostapd_switch_channel(struct hostapd_data *hapd,
394 struct csa_settings *settings);
395 void hostapd_cleanup_cs_params(struct hostapd_data *hapd);
398 int hostapd_register_probereq_cb(struct hostapd_data *hapd,
399 int (*cb)(void *ctx, const u8 *sa,
400 const u8 *da, const u8 *bssid,
401 const u8 *ie, size_t ie_len,
404 void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr);
406 /* drv_callbacks.c (TODO: move to somewhere else?) */
407 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
408 const u8 *ie, size_t ielen, int reassoc);
409 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
410 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr);
411 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
412 const u8 *addr, int reason_code);
413 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
414 const u8 *bssid, const u8 *ie, size_t ie_len,
416 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
417 int offset, int width, int cf1, int cf2);
419 const struct hostapd_eap_user *
420 hostapd_get_eap_user(struct hostapd_data *hapd, const u8 *identity,
421 size_t identity_len, int phase2);
423 #endif /* HOSTAPD_H */