2 * hostapd / Initialization and configuration
3 * Copyright (c) 2002-2014, 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 "utils/list.h"
14 #include "ap_config.h"
15 #include "drivers/driver.h"
18 struct radius_server_data;
19 struct upnp_wps_device_sm;
22 struct ieee80211_ht_capabilities;
23 struct full_dynamic_vlan;
28 #endif /* CONFIG_MESH */
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);
44 struct wpa_ctrl_dst *global_ctrl_dst;
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;
52 size_t terminate_on_error;
53 #ifndef CONFIG_NO_VLAN
54 struct dynamic_iface *vlan_priv;
55 #endif /* CONFIG_NO_VLAN */
58 enum hostapd_chan_status {
59 HOSTAPD_CHAN_VALID = 0, /* channel is ready */
60 HOSTAPD_CHAN_INVALID = 1, /* no usable channel found */
61 HOSTAPD_CHAN_ACS = 2, /* ACS work being performed */
64 struct hostapd_probereq_cb {
65 int (*cb)(void *ctx, const u8 *sa, const u8 *da, const u8 *bssid,
66 const u8 *ie, size_t ie_len, int ssi_signal);
70 #define HOSTAPD_RATE_BASIC 0x00000001
72 struct hostapd_rate_data {
73 int rate; /* rate in 100 kbps */
74 int flags; /* HOSTAPD_RATE_ flags */
77 struct hostapd_frame_info {
80 int ssi_signal; /* dBm */
84 WPS_STATUS_SUCCESS = 1,
89 WPS_PBC_STATUS_DISABLE,
90 WPS_PBC_STATUS_ACTIVE,
91 WPS_PBC_STATUS_TIMEOUT,
92 WPS_PBC_STATUS_OVERLAP
96 enum wps_status status;
97 enum wps_error_indication failure_reason;
98 enum pbc_status pbc_status;
99 u8 peer_addr[ETH_ALEN];
104 * struct hostapd_data - hostapd per-BSS data structure
106 struct hostapd_data {
107 struct hostapd_iface *iface;
108 struct hostapd_config *iconf;
109 struct hostapd_bss_config *conf;
110 int interface_added; /* virtual interface added for this BSS */
111 unsigned int started:1;
112 unsigned int disabled:1;
113 unsigned int reenable_beacon:1;
115 u8 own_addr[ETH_ALEN];
117 int num_sta; /* number of entries in sta_list */
118 struct sta_info *sta_list; /* STA info list head */
119 #define STA_HASH_SIZE 256
120 #define STA_HASH(sta) (sta[5])
121 struct sta_info *sta_hash[STA_HASH_SIZE];
124 * Bitfield for indicating which AIDs are allocated. Only AID values
125 * 1-2007 are used and as such, the bit at index 0 corresponds to AID
128 #define AID_WORDS ((2008 + 31) / 32)
129 u32 sta_aid[AID_WORDS];
131 const struct wpa_driver_ops *driver;
134 void (*new_assoc_sta_cb)(struct hostapd_data *hapd,
135 struct sta_info *sta, int reassoc);
137 void *msg_ctx; /* ctx for wpa_msg() calls */
138 void *msg_ctx_parent; /* parent interface ctx for wpa_msg() calls */
140 struct radius_client_data *radius;
141 u32 acct_session_id_hi, acct_session_id_lo;
142 struct radius_das_data *radius_das;
144 struct iapp_data *iapp;
146 struct hostapd_cached_radius_acl *acl_cache;
147 struct hostapd_acl_query_data *acl_queries;
149 struct wpa_authenticator *wpa_auth;
150 struct eapol_authenticator *eapol_auth;
152 struct rsn_preauth_interface *preauth_iface;
153 struct os_reltime michael_mic_failure;
154 int michael_mic_failures;
155 int tkip_countermeasures;
158 struct wpa_ctrl_dst *ctrl_dst;
161 void *eap_sim_db_priv;
162 struct radius_server_data *radius_srv;
163 struct dl_list erp_keys; /* struct eap_server_erp_key */
165 int parameter_set_count;
167 /* Time Advertisement */
168 u8 time_update_counter;
169 struct wpabuf *time_adv;
171 #ifdef CONFIG_FULL_DYNAMIC_VLAN
172 struct full_dynamic_vlan *full_dynamic_vlan;
173 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
175 struct l2_packet_data *l2;
176 struct wps_context *wps;
179 struct wpabuf *wps_beacon_ie;
180 struct wpabuf *wps_probe_resp_ie;
182 unsigned int ap_pin_failures;
183 unsigned int ap_pin_failures_consecutive;
184 struct upnp_wps_device_sm *wps_upnp;
185 unsigned int ap_pin_lockout_time;
187 struct wps_stat wps_stats;
188 #endif /* CONFIG_WPS */
190 struct hostapd_probereq_cb *probereq_cb;
191 size_t num_probereq_cb;
193 void (*public_action_cb)(void *ctx, const u8 *buf, size_t len,
195 void *public_action_cb_ctx;
196 void (*public_action_cb2)(void *ctx, const u8 *buf, size_t len,
198 void *public_action_cb2_ctx;
200 int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len,
202 void *vendor_action_cb_ctx;
204 void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr,
206 void *wps_reg_success_cb_ctx;
208 void (*wps_event_cb)(void *ctx, enum wps_event event,
209 union wps_event_data *data);
210 void *wps_event_cb_ctx;
212 void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr,
213 int authorized, const u8 *p2p_dev_addr);
214 void *sta_authorized_cb_ctx;
216 void (*setup_complete_cb)(void *ctx);
217 void *setup_complete_cb_ctx;
219 void (*new_psk_cb)(void *ctx, const u8 *mac_addr,
220 const u8 *p2p_dev_addr, const u8 *psk,
222 void *new_psk_cb_ctx;
224 /* channel switch parameters */
225 struct hostapd_freq_params cs_freq_params;
228 unsigned int cs_c_off_beacon;
229 unsigned int cs_c_off_proberesp;
233 unsigned int bss_load_update_timeout;
236 struct p2p_data *p2p;
237 struct p2p_group *p2p_group;
238 struct wpabuf *p2p_beacon_ie;
239 struct wpabuf *p2p_probe_resp_ie;
241 /* Number of non-P2P association stations */
244 /* Periodic NoA (used only when no non-P2P clients in the group) */
248 #endif /* CONFIG_P2P */
249 #ifdef CONFIG_INTERWORKING
250 size_t gas_frag_limit;
251 #endif /* CONFIG_INTERWORKING */
252 #ifdef CONFIG_PROXYARP
253 struct l2_packet_data *sock_dhcp;
254 struct l2_packet_data *sock_ndisc;
255 #endif /* CONFIG_PROXYARP */
259 void (*mesh_sta_free_cb)(struct sta_info *sta);
260 struct wpabuf *mesh_pending_auth;
261 struct os_reltime mesh_pending_auth_time;
262 #endif /* CONFIG_MESH */
265 struct hostapd_eap_user tmp_eap_user;
266 #endif /* CONFIG_SQLITE */
269 /** Key used for generating SAE anti-clogging tokens */
271 struct os_reltime last_sae_token_key_update;
272 int dot11RSNASAERetransPeriod; /* msec */
273 #endif /* CONFIG_SAE */
275 #ifdef CONFIG_TESTING_OPTIONS
276 unsigned int ext_mgmt_frame_handling:1;
277 unsigned int ext_eapol_frame_io:1;
279 struct l2_packet_data *l2_test;
280 #endif /* CONFIG_TESTING_OPTIONS */
284 struct hostapd_sta_info {
287 struct os_reltime last_seen;
291 * struct hostapd_iface - hostapd per-interface data structure
293 struct hostapd_iface {
294 struct hapd_interfaces *interfaces;
297 struct hostapd_config *conf;
298 char phy[16]; /* Name of the PHY (radio) */
300 enum hostapd_iface_state {
301 HAPD_IFACE_UNINITIALIZED,
303 HAPD_IFACE_COUNTRY_UPDATE,
311 struct mesh_conf *mconf;
312 #endif /* CONFIG_MESH */
315 struct hostapd_data **bss;
317 unsigned int wait_channel_update:1;
318 unsigned int cac_started:1;
320 struct fst_iface *fst;
321 const struct wpabuf *fst_ies;
322 #endif /* CONFIG_FST */
325 * When set, indicates that the driver will handle the AP
326 * teardown: delete global keys, station keys, and stations.
328 unsigned int driver_ap_teardown:1;
330 int num_ap; /* number of entries in ap_list */
331 struct ap_info *ap_list; /* AP info list head */
332 struct ap_info *ap_hash[STA_HASH_SIZE];
336 /* SMPS modes supported by the driver (WPA_DRIVER_SMPS_MODE_*) */
337 unsigned int smps_modes;
340 * A bitmap of supported protocols for probe response offload. See
341 * struct wpa_driver_capa in driver.h
343 unsigned int probe_resp_offloads;
345 /* extended capabilities supported by the driver */
346 const u8 *extended_capa, *extended_capa_mask;
347 unsigned int extended_capa_len;
349 unsigned int drv_max_acl_mac_addrs;
351 struct hostapd_hw_modes *hw_features;
353 struct hostapd_hw_modes *current_mode;
354 /* Rates that are currently used (i.e., filtered copy of
355 * current_mode->channels */
357 struct hostapd_rate_data *current_rates;
363 /* Number of associated Non-ERP stations (i.e., stations using 802.11b
367 /* Number of associated stations that do not support Short Slot Time */
368 int num_sta_no_short_slot_time;
370 /* Number of associated stations that do not support Short Preamble */
371 int num_sta_no_short_preamble;
373 int olbc; /* Overlapping Legacy BSS Condition */
375 /* Number of HT associated stations that do not support greenfield */
376 int num_sta_ht_no_gf;
378 /* Number of associated non-HT stations */
381 /* Number of HT associated stations 20 MHz */
382 int num_sta_ht_20mhz;
384 /* Number of HT40 intolerant stations */
385 int num_sta_ht40_intolerant;
387 /* Overlapping BSS information */
392 /* surveying helpers */
394 /* number of channels surveyed */
395 unsigned int chans_surveyed;
397 /* lowest observed noise floor in dBm */
400 /* channel utilization calculation */
401 u64 last_channel_time;
402 u64 last_channel_time_busy;
403 u8 channel_utilization;
405 unsigned int dfs_cac_ms;
406 struct os_reltime dfs_cac_start;
408 /* Latched with the actual secondary channel information and will be
409 * used while juggling between HT20 and HT40 modes. */
413 unsigned int acs_num_completed_scans;
414 #endif /* CONFIG_ACS */
416 void (*scan_cb)(struct hostapd_iface *iface);
417 int num_ht40_scan_tries;
419 struct dl_list sta_seen; /* struct hostapd_sta_info */
420 unsigned int num_sta_seen;
424 int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
425 int (*cb)(struct hostapd_iface *iface,
426 void *ctx), void *ctx);
427 int hostapd_reload_config(struct hostapd_iface *iface);
428 struct hostapd_data *
429 hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
430 struct hostapd_config *conf,
431 struct hostapd_bss_config *bss);
432 int hostapd_setup_interface(struct hostapd_iface *iface);
433 int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
434 void hostapd_interface_deinit(struct hostapd_iface *iface);
435 void hostapd_interface_free(struct hostapd_iface *iface);
436 struct hostapd_iface * hostapd_init(struct hapd_interfaces *interfaces,
437 const char *config_file);
438 struct hostapd_iface *
439 hostapd_interface_init_bss(struct hapd_interfaces *interfaces, const char *phy,
440 const char *config_fname, int debug);
441 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
443 void hostapd_interface_deinit_free(struct hostapd_iface *iface);
444 int hostapd_enable_iface(struct hostapd_iface *hapd_iface);
445 int hostapd_reload_iface(struct hostapd_iface *hapd_iface);
446 int hostapd_disable_iface(struct hostapd_iface *hapd_iface);
447 int hostapd_add_iface(struct hapd_interfaces *ifaces, char *buf);
448 int hostapd_remove_iface(struct hapd_interfaces *ifaces, char *buf);
449 void hostapd_channel_list_updated(struct hostapd_iface *iface, int initiator);
450 void hostapd_set_state(struct hostapd_iface *iface, enum hostapd_iface_state s);
451 const char * hostapd_state_text(enum hostapd_iface_state s);
452 int hostapd_switch_channel(struct hostapd_data *hapd,
453 struct csa_settings *settings);
455 hostapd_switch_channel_fallback(struct hostapd_iface *iface,
456 const struct hostapd_freq_params *freq_params);
457 void hostapd_cleanup_cs_params(struct hostapd_data *hapd);
458 void hostapd_periodic_iface(struct hostapd_iface *iface);
461 int hostapd_register_probereq_cb(struct hostapd_data *hapd,
462 int (*cb)(void *ctx, const u8 *sa,
463 const u8 *da, const u8 *bssid,
464 const u8 *ie, size_t ie_len,
467 void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr);
469 /* drv_callbacks.c (TODO: move to somewhere else?) */
470 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
471 const u8 *ie, size_t ielen, int reassoc);
472 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
473 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr);
474 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
475 const u8 *addr, int reason_code);
476 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
477 const u8 *bssid, const u8 *ie, size_t ie_len,
479 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
480 int offset, int width, int cf1, int cf2);
482 const struct hostapd_eap_user *
483 hostapd_get_eap_user(struct hostapd_data *hapd, const u8 *identity,
484 size_t identity_len, int phase2);
486 struct hostapd_data * hostapd_get_iface(struct hapd_interfaces *interfaces,
490 void fst_hostapd_fill_iface_obj(struct hostapd_data *hapd,
491 struct fst_wpa_obj *iface_obj);
492 #endif /* CONFIG_FST */
494 #endif /* HOSTAPD_H */