xref: /freebsd/contrib/wpa/src/ap/hostapd.h (revision a90b9d0159070121c221b966469c3e36d912bf82)
1 /*
2  * hostapd / Initialization and configuration
3  * Copyright (c) 2002-2014, Jouni Malinen <j@w1.fi>
4  *
5  * This software may be distributed under the terms of the BSD license.
6  * See README for more details.
7  */
8 
9 #ifndef HOSTAPD_H
10 #define HOSTAPD_H
11 
12 #ifdef CONFIG_SQLITE
13 #include <sqlite3.h>
14 #endif /* CONFIG_SQLITE */
15 
16 #include "common/defs.h"
17 #include "common/dpp.h"
18 #include "utils/list.h"
19 #include "ap_config.h"
20 #include "drivers/driver.h"
21 
22 #define OCE_STA_CFON_ENABLED(hapd) \
23 	((hapd->conf->oce & OCE_STA_CFON) && \
24 	 (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_OCE_STA_CFON))
25 #define OCE_AP_ENABLED(hapd) \
26 	((hapd->conf->oce & OCE_AP) && \
27 	 (hapd->iface->drv_flags & WPA_DRIVER_FLAGS_OCE_AP))
28 
29 struct wpa_ctrl_dst;
30 struct radius_server_data;
31 struct upnp_wps_device_sm;
32 struct hostapd_data;
33 struct sta_info;
34 struct ieee80211_ht_capabilities;
35 struct full_dynamic_vlan;
36 enum wps_event;
37 union wps_event_data;
38 #ifdef CONFIG_MESH
39 struct mesh_conf;
40 #endif /* CONFIG_MESH */
41 
42 #ifdef CONFIG_CTRL_IFACE_UDP
43 #define CTRL_IFACE_COOKIE_LEN 8
44 #endif /* CONFIG_CTRL_IFACE_UDP */
45 
46 struct hostapd_iface;
47 struct hostapd_mld;
48 
49 struct hapd_interfaces {
50 	int (*reload_config)(struct hostapd_iface *iface);
51 	struct hostapd_config * (*config_read_cb)(const char *config_fname);
52 	int (*ctrl_iface_init)(struct hostapd_data *hapd);
53 	void (*ctrl_iface_deinit)(struct hostapd_data *hapd);
54 	int (*for_each_interface)(struct hapd_interfaces *interfaces,
55 				  int (*cb)(struct hostapd_iface *iface,
56 					    void *ctx), void *ctx);
57 	int (*driver_init)(struct hostapd_iface *iface);
58 
59 	size_t count;
60 	int global_ctrl_sock;
61 	struct dl_list global_ctrl_dst;
62 	char *global_iface_path;
63 	char *global_iface_name;
64 #ifndef CONFIG_NATIVE_WINDOWS
65 	gid_t ctrl_iface_group;
66 #endif /* CONFIG_NATIVE_WINDOWS */
67 	struct hostapd_iface **iface;
68 
69 	size_t terminate_on_error;
70 #ifndef CONFIG_NO_VLAN
71 	struct dynamic_iface *vlan_priv;
72 #endif /* CONFIG_NO_VLAN */
73 #ifdef CONFIG_ETH_P_OUI
74 	struct dl_list eth_p_oui; /* OUI Extended EtherType handlers */
75 #endif /* CONFIG_ETH_P_OUI */
76 	int eloop_initialized;
77 
78 #ifdef CONFIG_DPP
79 	struct dpp_global *dpp;
80 #ifdef CONFIG_DPP3
81 	struct os_reltime dpp_pb_time;
82 	struct os_reltime dpp_pb_announce_time;
83 	struct dpp_pb_info dpp_pb[DPP_PB_INFO_COUNT];
84 	struct dpp_bootstrap_info *dpp_pb_bi;
85 	u8 dpp_pb_c_nonce[DPP_MAX_NONCE_LEN];
86 	u8 dpp_pb_resp_hash[SHA256_MAC_LEN];
87 	struct os_reltime dpp_pb_last_resp;
88 	bool dpp_pb_result_indicated;
89 	char *dpp_pb_cmd;
90 #endif /* CONFIG_DPP3 */
91 #endif /* CONFIG_DPP */
92 
93 #ifdef CONFIG_CTRL_IFACE_UDP
94        unsigned char ctrl_iface_cookie[CTRL_IFACE_COOKIE_LEN];
95 #endif /* CONFIG_CTRL_IFACE_UDP */
96 
97 #ifdef CONFIG_IEEE80211BE
98 	struct hostapd_mld **mld;
99 	size_t mld_count;
100 #endif /* CONFIG_IEEE80211BE */
101 };
102 
103 enum hostapd_chan_status {
104 	HOSTAPD_CHAN_VALID = 0, /* channel is ready */
105 	HOSTAPD_CHAN_INVALID = 1, /* no usable channel found */
106 	HOSTAPD_CHAN_ACS = 2, /* ACS work being performed */
107 	HOSTAPD_CHAN_INVALID_NO_IR = 3, /* channel invalid due to AFC NO IR */
108 };
109 
110 struct hostapd_probereq_cb {
111 	int (*cb)(void *ctx, const u8 *sa, const u8 *da, const u8 *bssid,
112 		  const u8 *ie, size_t ie_len, int ssi_signal);
113 	void *ctx;
114 };
115 
116 #define HOSTAPD_RATE_BASIC 0x00000001
117 
118 struct hostapd_rate_data {
119 	int rate; /* rate in 100 kbps */
120 	int flags; /* HOSTAPD_RATE_ flags */
121 };
122 
123 struct hostapd_frame_info {
124 	unsigned int freq;
125 	u32 channel;
126 	u32 datarate;
127 	int ssi_signal; /* dBm */
128 };
129 
130 enum wps_status {
131 	WPS_STATUS_SUCCESS = 1,
132 	WPS_STATUS_FAILURE
133 };
134 
135 enum pbc_status {
136 	WPS_PBC_STATUS_DISABLE,
137 	WPS_PBC_STATUS_ACTIVE,
138 	WPS_PBC_STATUS_TIMEOUT,
139 	WPS_PBC_STATUS_OVERLAP
140 };
141 
142 struct wps_stat {
143 	enum wps_status status;
144 	enum wps_error_indication failure_reason;
145 	enum pbc_status pbc_status;
146 	u8 peer_addr[ETH_ALEN];
147 };
148 
149 struct hostapd_neighbor_entry {
150 	struct dl_list list;
151 	u8 bssid[ETH_ALEN];
152 	struct wpa_ssid_value ssid;
153 	struct wpabuf *nr;
154 	struct wpabuf *lci;
155 	struct wpabuf *civic;
156 	/* LCI update time */
157 	struct os_time lci_date;
158 	int stationary;
159 	u32 short_ssid;
160 	u8 bss_parameters;
161 };
162 
163 struct hostapd_sae_commit_queue {
164 	struct dl_list list;
165 	int rssi;
166 	size_t len;
167 	u8 msg[];
168 };
169 
170 /**
171  * struct hostapd_data - hostapd per-BSS data structure
172  */
173 struct hostapd_data {
174 	struct hostapd_iface *iface;
175 	struct hostapd_config *iconf;
176 	struct hostapd_bss_config *conf;
177 	int interface_added; /* virtual interface added for this BSS */
178 	unsigned int started:1;
179 	unsigned int disabled:1;
180 	unsigned int reenable_beacon:1;
181 
182 	u8 own_addr[ETH_ALEN];
183 
184 	int num_sta; /* number of entries in sta_list */
185 	struct sta_info *sta_list; /* STA info list head */
186 #define STA_HASH_SIZE 256
187 #define STA_HASH(sta) (sta[5])
188 	struct sta_info *sta_hash[STA_HASH_SIZE];
189 
190 	/*
191 	 * Bitfield for indicating which AIDs are allocated. Only AID values
192 	 * 1-2007 are used and as such, the bit at index 0 corresponds to AID
193 	 * 1.
194 	 */
195 #define AID_WORDS ((2008 + 31) / 32)
196 	u32 sta_aid[AID_WORDS];
197 
198 	const struct wpa_driver_ops *driver;
199 	void *drv_priv;
200 
201 	void (*new_assoc_sta_cb)(struct hostapd_data *hapd,
202 				 struct sta_info *sta, int reassoc);
203 
204 	void *msg_ctx; /* ctx for wpa_msg() calls */
205 	void *msg_ctx_parent; /* parent interface ctx for wpa_msg() calls */
206 
207 	struct radius_client_data *radius;
208 	u64 acct_session_id;
209 	struct radius_das_data *radius_das;
210 
211 	struct hostapd_cached_radius_acl *acl_cache;
212 	struct hostapd_acl_query_data *acl_queries;
213 
214 	struct wpa_authenticator *wpa_auth;
215 	struct eapol_authenticator *eapol_auth;
216 	struct eap_config *eap_cfg;
217 
218 	struct rsn_preauth_interface *preauth_iface;
219 	struct os_reltime michael_mic_failure;
220 	int michael_mic_failures;
221 	int tkip_countermeasures;
222 
223 	int ctrl_sock;
224 	struct dl_list ctrl_dst;
225 
226 	void *ssl_ctx;
227 	void *eap_sim_db_priv;
228 	struct crypto_rsa_key *imsi_privacy_key;
229 	struct radius_server_data *radius_srv;
230 	struct dl_list erp_keys; /* struct eap_server_erp_key */
231 
232 	int parameter_set_count;
233 
234 	/* Time Advertisement */
235 	u8 time_update_counter;
236 	struct wpabuf *time_adv;
237 
238 #ifdef CONFIG_FULL_DYNAMIC_VLAN
239 	struct full_dynamic_vlan *full_dynamic_vlan;
240 #endif /* CONFIG_FULL_DYNAMIC_VLAN */
241 
242 	struct l2_packet_data *l2;
243 
244 #ifdef CONFIG_IEEE80211R_AP
245 	struct dl_list l2_queue;
246 	struct dl_list l2_oui_queue;
247 	struct eth_p_oui_ctx *oui_pull;
248 	struct eth_p_oui_ctx *oui_resp;
249 	struct eth_p_oui_ctx *oui_push;
250 	struct eth_p_oui_ctx *oui_sreq;
251 	struct eth_p_oui_ctx *oui_sresp;
252 #endif /* CONFIG_IEEE80211R_AP */
253 
254 	struct wps_context *wps;
255 
256 	int beacon_set_done;
257 	struct wpabuf *wps_beacon_ie;
258 	struct wpabuf *wps_probe_resp_ie;
259 #ifdef CONFIG_WPS
260 	unsigned int ap_pin_failures;
261 	unsigned int ap_pin_failures_consecutive;
262 	struct upnp_wps_device_sm *wps_upnp;
263 	unsigned int ap_pin_lockout_time;
264 
265 	struct wps_stat wps_stats;
266 #endif /* CONFIG_WPS */
267 
268 #ifdef CONFIG_MACSEC
269 	struct ieee802_1x_kay *kay;
270 #endif /* CONFIG_MACSEC */
271 
272 	struct hostapd_probereq_cb *probereq_cb;
273 	size_t num_probereq_cb;
274 
275 	void (*public_action_cb)(void *ctx, const u8 *buf, size_t len,
276 				 int freq);
277 	void *public_action_cb_ctx;
278 	void (*public_action_cb2)(void *ctx, const u8 *buf, size_t len,
279 				  int freq);
280 	void *public_action_cb2_ctx;
281 
282 	int (*vendor_action_cb)(void *ctx, const u8 *buf, size_t len,
283 				int freq);
284 	void *vendor_action_cb_ctx;
285 
286 	void (*wps_reg_success_cb)(void *ctx, const u8 *mac_addr,
287 				   const u8 *uuid_e);
288 	void *wps_reg_success_cb_ctx;
289 
290 	void (*wps_event_cb)(void *ctx, enum wps_event event,
291 			     union wps_event_data *data);
292 	void *wps_event_cb_ctx;
293 
294 	void (*sta_authorized_cb)(void *ctx, const u8 *mac_addr,
295 				  int authorized, const u8 *p2p_dev_addr,
296 				  const u8 *ip);
297 	void *sta_authorized_cb_ctx;
298 
299 	void (*setup_complete_cb)(void *ctx);
300 	void *setup_complete_cb_ctx;
301 
302 	void (*new_psk_cb)(void *ctx, const u8 *mac_addr,
303 			   const u8 *p2p_dev_addr, const u8 *psk,
304 			   size_t psk_len);
305 	void *new_psk_cb_ctx;
306 
307 	/* channel switch parameters */
308 	struct hostapd_freq_params cs_freq_params;
309 	u8 cs_count;
310 	int cs_block_tx;
311 	unsigned int cs_c_off_beacon;
312 	unsigned int cs_c_off_proberesp;
313 	int csa_in_progress;
314 	unsigned int cs_c_off_ecsa_beacon;
315 	unsigned int cs_c_off_ecsa_proberesp;
316 
317 #ifdef CONFIG_IEEE80211AX
318 	bool cca_in_progress;
319 	u8 cca_count;
320 	u8 cca_color;
321 	unsigned int cca_c_off_beacon;
322 	unsigned int cca_c_off_proberesp;
323 	struct os_reltime first_color_collision;
324 	struct os_reltime last_color_collision;
325 	u64 color_collision_bitmap;
326 #endif /* CONFIG_IEEE80211AX */
327 
328 #ifdef CONFIG_P2P
329 	struct p2p_data *p2p;
330 	struct p2p_group *p2p_group;
331 	struct wpabuf *p2p_beacon_ie;
332 	struct wpabuf *p2p_probe_resp_ie;
333 
334 	/* Number of non-P2P association stations */
335 	int num_sta_no_p2p;
336 
337 	/* Periodic NoA (used only when no non-P2P clients in the group) */
338 	int noa_enabled;
339 	int noa_start;
340 	int noa_duration;
341 #endif /* CONFIG_P2P */
342 #ifdef CONFIG_PROXYARP
343 	struct l2_packet_data *sock_dhcp;
344 	struct l2_packet_data *sock_ndisc;
345 	bool x_snoop_initialized;
346 #endif /* CONFIG_PROXYARP */
347 #ifdef CONFIG_MESH
348 	int num_plinks;
349 	int max_plinks;
350 	void (*mesh_sta_free_cb)(struct hostapd_data *hapd,
351 				 struct sta_info *sta);
352 	struct wpabuf *mesh_pending_auth;
353 	struct os_reltime mesh_pending_auth_time;
354 	u8 mesh_required_peer[ETH_ALEN];
355 #endif /* CONFIG_MESH */
356 
357 #ifdef CONFIG_SQLITE
358 	struct hostapd_eap_user tmp_eap_user;
359 #endif /* CONFIG_SQLITE */
360 
361 #ifdef CONFIG_SAE
362 
363 #define COMEBACK_KEY_SIZE 8
364 #define COMEBACK_PENDING_IDX_SIZE 256
365 
366 	/** Key used for generating SAE anti-clogging tokens */
367 	u8 comeback_key[COMEBACK_KEY_SIZE];
368 	struct os_reltime last_comeback_key_update;
369 	u16 comeback_idx;
370 	u16 comeback_pending_idx[COMEBACK_PENDING_IDX_SIZE];
371 	int dot11RSNASAERetransPeriod; /* msec */
372 	struct dl_list sae_commit_queue; /* struct hostapd_sae_commit_queue */
373 #endif /* CONFIG_SAE */
374 
375 #ifdef CONFIG_TESTING_OPTIONS
376 	unsigned int ext_mgmt_frame_handling:1;
377 	unsigned int ext_eapol_frame_io:1;
378 
379 	struct l2_packet_data *l2_test;
380 
381 	enum wpa_alg last_gtk_alg;
382 	int last_gtk_key_idx;
383 	u8 last_gtk[WPA_GTK_MAX_LEN];
384 	size_t last_gtk_len;
385 
386 	enum wpa_alg last_igtk_alg;
387 	int last_igtk_key_idx;
388 	u8 last_igtk[WPA_IGTK_MAX_LEN];
389 	size_t last_igtk_len;
390 
391 	enum wpa_alg last_bigtk_alg;
392 	int last_bigtk_key_idx;
393 	u8 last_bigtk[WPA_BIGTK_MAX_LEN];
394 	size_t last_bigtk_len;
395 
396 	bool force_backlog_bytes;
397 #endif /* CONFIG_TESTING_OPTIONS */
398 
399 #ifdef CONFIG_MBO
400 	unsigned int mbo_assoc_disallow;
401 #endif /* CONFIG_MBO */
402 
403 	struct dl_list nr_db;
404 
405 	u8 beacon_req_token;
406 	u8 lci_req_token;
407 	u8 range_req_token;
408 	u8 link_measurement_req_token;
409 	unsigned int lci_req_active:1;
410 	unsigned int range_req_active:1;
411 	unsigned int link_mesr_req_active:1;
412 
413 	int dhcp_sock; /* UDP socket used with the DHCP server */
414 
415 	struct ptksa_cache *ptksa;
416 
417 #ifdef CONFIG_DPP
418 	int dpp_init_done;
419 	struct dpp_authentication *dpp_auth;
420 	u8 dpp_allowed_roles;
421 	int dpp_qr_mutual;
422 	int dpp_auth_ok_on_ack;
423 	int dpp_in_response_listen;
424 	struct gas_query_ap *gas;
425 	struct dpp_pkex *dpp_pkex;
426 	struct dpp_bootstrap_info *dpp_pkex_bi;
427 	char *dpp_pkex_code;
428 	size_t dpp_pkex_code_len;
429 	char *dpp_pkex_identifier;
430 	enum dpp_pkex_ver dpp_pkex_ver;
431 	char *dpp_pkex_auth_cmd;
432 	char *dpp_configurator_params;
433 	struct os_reltime dpp_last_init;
434 	struct os_reltime dpp_init_iter_start;
435 	unsigned int dpp_init_max_tries;
436 	unsigned int dpp_init_retry_time;
437 	unsigned int dpp_resp_wait_time;
438 	unsigned int dpp_resp_max_tries;
439 	unsigned int dpp_resp_retry_time;
440 #ifdef CONFIG_DPP2
441 	struct wpabuf *dpp_presence_announcement;
442 	struct dpp_bootstrap_info *dpp_chirp_bi;
443 	int dpp_chirp_freq;
444 	int *dpp_chirp_freqs;
445 	int dpp_chirp_iter;
446 	int dpp_chirp_round;
447 	int dpp_chirp_scan_done;
448 	int dpp_chirp_listen;
449 	struct os_reltime dpp_relay_last_needs_ctrl;
450 #endif /* CONFIG_DPP2 */
451 #ifdef CONFIG_TESTING_OPTIONS
452 	char *dpp_config_obj_override;
453 	char *dpp_discovery_override;
454 	char *dpp_groups_override;
455 	unsigned int dpp_ignore_netaccesskey_mismatch:1;
456 #endif /* CONFIG_TESTING_OPTIONS */
457 #endif /* CONFIG_DPP */
458 
459 #ifdef CONFIG_AIRTIME_POLICY
460 	unsigned int num_backlogged_sta;
461 	unsigned int airtime_weight;
462 #endif /* CONFIG_AIRTIME_POLICY */
463 
464 	u8 last_1x_eapol_key_replay_counter[8];
465 
466 #ifdef CONFIG_SQLITE
467 	sqlite3 *rad_attr_db;
468 #endif /* CONFIG_SQLITE */
469 
470 #ifdef CONFIG_CTRL_IFACE_UDP
471        unsigned char ctrl_iface_cookie[CTRL_IFACE_COOKIE_LEN];
472 #endif /* CONFIG_CTRL_IFACE_UDP */
473 
474 #ifdef CONFIG_IEEE80211BE
475 	u8 eht_mld_bss_param_change;
476 	struct hostapd_mld *mld;
477 	struct dl_list link;
478 	u8 mld_link_id;
479 #ifdef CONFIG_TESTING_OPTIONS
480 	u8 eht_mld_link_removal_count;
481 #endif /* CONFIG_TESTING_OPTIONS */
482 #endif /* CONFIG_IEEE80211BE */
483 
484 #ifdef CONFIG_NAN_USD
485 	struct nan_de *nan_de;
486 #endif /* CONFIG_NAN_USD */
487 
488 	u64 scan_cookie; /* Scan instance identifier for the ongoing HT40 scan
489 			  */
490 };
491 
492 
493 struct hostapd_sta_info {
494 	struct dl_list list;
495 	u8 addr[ETH_ALEN];
496 	struct os_reltime last_seen;
497 	int ssi_signal;
498 #ifdef CONFIG_TAXONOMY
499 	struct wpabuf *probe_ie_taxonomy;
500 #endif /* CONFIG_TAXONOMY */
501 };
502 
503 #ifdef CONFIG_IEEE80211BE
504 /**
505  * struct hostapd_mld - hostapd per-mld data structure
506  */
507 struct hostapd_mld {
508 	char name[IFNAMSIZ + 1];
509 	u8 mld_addr[ETH_ALEN];
510 	u8 next_link_id;
511 	u8 num_links;
512 	/* Number of hostapd_data (hapd) referencing this. num_links cannot be
513 	 * used since num_links can go to 0 even when a BSS is disabled and
514 	 * when it is re-enabled, the MLD should exist and hence it cannot be
515 	 * freed when num_links is 0.
516 	 */
517 	u8 refcount;
518 
519 	struct hostapd_data *fbss;
520 	struct dl_list links; /* List head of all affiliated links */
521 };
522 
523 #define HOSTAPD_MLD_MAX_REF_COUNT      0xFF
524 #endif /* CONFIG_IEEE80211BE */
525 
526 /**
527  * struct hostapd_iface - hostapd per-interface data structure
528  */
529 struct hostapd_iface {
530 	struct hapd_interfaces *interfaces;
531 	void *owner;
532 	char *config_fname;
533 	struct hostapd_config *conf;
534 	char phy[16]; /* Name of the PHY (radio) */
535 
536 	enum hostapd_iface_state {
537 		HAPD_IFACE_UNINITIALIZED,
538 		HAPD_IFACE_DISABLED,
539 		HAPD_IFACE_COUNTRY_UPDATE,
540 		HAPD_IFACE_ACS,
541 		HAPD_IFACE_HT_SCAN,
542 		HAPD_IFACE_DFS,
543 		HAPD_IFACE_NO_IR,
544 		HAPD_IFACE_ENABLED
545 	} state;
546 
547 #ifdef CONFIG_MESH
548 	struct mesh_conf *mconf;
549 #endif /* CONFIG_MESH */
550 
551 	size_t num_bss;
552 	struct hostapd_data **bss;
553 
554 	unsigned int wait_channel_update:1;
555 	unsigned int cac_started:1;
556 #ifdef CONFIG_FST
557 	struct fst_iface *fst;
558 	const struct wpabuf *fst_ies;
559 #endif /* CONFIG_FST */
560 
561 	/*
562 	 * When set, indicates that the driver will handle the AP
563 	 * teardown: delete global keys, station keys, and stations.
564 	 */
565 	unsigned int driver_ap_teardown:1;
566 
567 	/*
568 	 * When set, indicates that this interface is part of list of
569 	 * interfaces that need to be started together (synchronously).
570 	 */
571 	unsigned int need_to_start_in_sync:1;
572 
573 	/* Ready to start but waiting for other interfaces to become ready. */
574 	unsigned int ready_to_start_in_sync:1;
575 
576 	int num_ap; /* number of entries in ap_list */
577 	struct ap_info *ap_list; /* AP info list head */
578 	struct ap_info *ap_hash[STA_HASH_SIZE];
579 
580 	u64 drv_flags;
581 	u64 drv_flags2;
582 	unsigned int drv_rrm_flags;
583 
584 	/*
585 	 * A bitmap of supported protocols for probe response offload. See
586 	 * struct wpa_driver_capa in driver.h
587 	 */
588 	unsigned int probe_resp_offloads;
589 
590 	/* extended capabilities supported by the driver */
591 	const u8 *extended_capa, *extended_capa_mask;
592 	unsigned int extended_capa_len;
593 
594 	u16 mld_eml_capa, mld_mld_capa;
595 
596 	unsigned int drv_max_acl_mac_addrs;
597 
598 	struct hostapd_hw_modes *hw_features;
599 	int num_hw_features;
600 	struct hostapd_hw_modes *current_mode;
601 	/* Rates that are currently used (i.e., filtered copy of
602 	 * current_mode->channels */
603 	int num_rates;
604 	struct hostapd_rate_data *current_rates;
605 	int *basic_rates;
606 	int freq;
607 
608 	bool radar_detected;
609 
610 	/* Background radar configuration */
611 	struct {
612 		int channel;
613 		int secondary_channel;
614 		int freq;
615 		int centr_freq_seg0_idx;
616 		int centr_freq_seg1_idx;
617 		/* Main chain is on temporary channel during
618 		 * CAC detection on radar offchain.
619 		 */
620 		unsigned int temp_ch:1;
621 		/* CAC started on radar offchain */
622 		unsigned int cac_started:1;
623 	} radar_background;
624 
625 	u16 hw_flags;
626 
627 	/* Number of associated Non-ERP stations (i.e., stations using 802.11b
628 	 * in 802.11g BSS) */
629 	int num_sta_non_erp;
630 
631 	/* Number of associated stations that do not support Short Slot Time */
632 	int num_sta_no_short_slot_time;
633 
634 	/* Number of associated stations that do not support Short Preamble */
635 	int num_sta_no_short_preamble;
636 
637 	int olbc; /* Overlapping Legacy BSS Condition */
638 
639 	/* Number of HT associated stations that do not support greenfield */
640 	int num_sta_ht_no_gf;
641 
642 	/* Number of associated non-HT stations */
643 	int num_sta_no_ht;
644 
645 	/* Number of HT associated stations 20 MHz */
646 	int num_sta_ht_20mhz;
647 
648 	/* Number of HT40 intolerant stations */
649 	int num_sta_ht40_intolerant;
650 
651 	/* Overlapping BSS information */
652 	int olbc_ht;
653 
654 	u16 ht_op_mode;
655 
656 	/* surveying helpers */
657 
658 	/* number of channels surveyed */
659 	unsigned int chans_surveyed;
660 
661 	/* lowest observed noise floor in dBm */
662 	s8 lowest_nf;
663 
664 	/* channel utilization calculation */
665 	u64 last_channel_time;
666 	u64 last_channel_time_busy;
667 	u8 channel_utilization;
668 
669 	unsigned int chan_util_samples_sum;
670 	unsigned int chan_util_num_sample_periods;
671 	unsigned int chan_util_average;
672 
673 	/* eCSA IE will be added only if operating class is specified */
674 	u8 cs_oper_class;
675 
676 	unsigned int dfs_cac_ms;
677 	struct os_reltime dfs_cac_start;
678 
679 	/* Latched with the actual secondary channel information and will be
680 	 * used while juggling between HT20 and HT40 modes. */
681 	int secondary_ch;
682 
683 #ifdef CONFIG_ACS
684 	unsigned int acs_num_completed_scans;
685 	unsigned int acs_num_retries;
686 #endif /* CONFIG_ACS */
687 
688 	void (*scan_cb)(struct hostapd_iface *iface);
689 	int num_ht40_scan_tries;
690 
691 	struct dl_list sta_seen; /* struct hostapd_sta_info */
692 	unsigned int num_sta_seen;
693 
694 	u8 dfs_domain;
695 #ifdef CONFIG_AIRTIME_POLICY
696 	unsigned int airtime_quantum;
697 #endif /* CONFIG_AIRTIME_POLICY */
698 
699 	/* Previous WMM element information */
700 	struct hostapd_wmm_ac_params prev_wmm[WMM_AC_NUM];
701 
702 	/* Maximum number of interfaces supported for MBSSID advertisement */
703 	unsigned int mbssid_max_interfaces;
704 	/* Maximum profile periodicity for enhanced MBSSID advertisement */
705 	unsigned int ema_max_periodicity;
706 
707 	int (*enable_iface_cb)(struct hostapd_iface *iface);
708 	int (*disable_iface_cb)(struct hostapd_iface *iface);
709 
710 	/* Configured freq of interface is NO_IR */
711 	bool is_no_ir;
712 
713 	bool is_ch_switch_dfs; /* Channel switch from ACS to DFS */
714 };
715 
716 /* hostapd.c */
717 int hostapd_for_each_interface(struct hapd_interfaces *interfaces,
718 			       int (*cb)(struct hostapd_iface *iface,
719 					 void *ctx), void *ctx);
720 int hostapd_reload_config(struct hostapd_iface *iface);
721 void hostapd_reconfig_encryption(struct hostapd_data *hapd);
722 struct hostapd_data *
723 hostapd_alloc_bss_data(struct hostapd_iface *hapd_iface,
724 		       struct hostapd_config *conf,
725 		       struct hostapd_bss_config *bss);
726 int hostapd_setup_interface(struct hostapd_iface *iface);
727 int hostapd_setup_interface_complete(struct hostapd_iface *iface, int err);
728 void hostapd_interface_deinit(struct hostapd_iface *iface);
729 void hostapd_interface_free(struct hostapd_iface *iface);
730 struct hostapd_iface * hostapd_alloc_iface(void);
731 struct hostapd_iface * hostapd_init(struct hapd_interfaces *interfaces,
732 				    const char *config_file);
733 struct hostapd_iface *
734 hostapd_interface_init_bss(struct hapd_interfaces *interfaces, const char *phy,
735 			   const char *config_fname, int debug);
736 void hostapd_new_assoc_sta(struct hostapd_data *hapd, struct sta_info *sta,
737 			   int reassoc);
738 void hostapd_interface_deinit_free(struct hostapd_iface *iface);
739 int hostapd_enable_iface(struct hostapd_iface *hapd_iface);
740 int hostapd_reload_iface(struct hostapd_iface *hapd_iface);
741 int hostapd_reload_bss_only(struct hostapd_data *bss);
742 int hostapd_disable_iface(struct hostapd_iface *hapd_iface);
743 void hostapd_bss_deinit_no_free(struct hostapd_data *hapd);
744 void hostapd_free_hapd_data(struct hostapd_data *hapd);
745 void hostapd_cleanup_iface_partial(struct hostapd_iface *iface);
746 int hostapd_add_iface(struct hapd_interfaces *ifaces, char *buf);
747 int hostapd_remove_iface(struct hapd_interfaces *ifaces, char *buf);
748 void hostapd_channel_list_updated(struct hostapd_iface *iface, int initiator);
749 void hostapd_set_state(struct hostapd_iface *iface, enum hostapd_iface_state s);
750 const char * hostapd_state_text(enum hostapd_iface_state s);
751 int hostapd_csa_in_progress(struct hostapd_iface *iface);
752 void hostapd_chan_switch_config(struct hostapd_data *hapd,
753 				struct hostapd_freq_params *freq_params);
754 int hostapd_switch_channel(struct hostapd_data *hapd,
755 			   struct csa_settings *settings);
756 void
757 hostapd_switch_channel_fallback(struct hostapd_iface *iface,
758 				const struct hostapd_freq_params *freq_params);
759 void hostapd_cleanup_cs_params(struct hostapd_data *hapd);
760 void hostapd_periodic_iface(struct hostapd_iface *iface);
761 int hostapd_owe_trans_get_info(struct hostapd_data *hapd);
762 void hostapd_ocv_check_csa_sa_query(void *eloop_ctx, void *timeout_ctx);
763 
764 void hostapd_switch_color(struct hostapd_data *hapd, u64 bitmap);
765 void hostapd_cleanup_cca_params(struct hostapd_data *hapd);
766 
767 /* utils.c */
768 int hostapd_register_probereq_cb(struct hostapd_data *hapd,
769 				 int (*cb)(void *ctx, const u8 *sa,
770 					   const u8 *da, const u8 *bssid,
771 					   const u8 *ie, size_t ie_len,
772 					   int ssi_signal),
773 				 void *ctx);
774 void hostapd_prune_associations(struct hostapd_data *hapd, const u8 *addr,
775 				int mld_assoc_link_id);
776 
777 /* drv_callbacks.c (TODO: move to somewhere else?) */
778 void hostapd_notify_assoc_fils_finish(struct hostapd_data *hapd,
779 				      struct sta_info *sta);
780 int hostapd_notif_assoc(struct hostapd_data *hapd, const u8 *addr,
781 			const u8 *req_ie, size_t req_ielen, const u8 *resp_ie,
782 			size_t resp_ielen, const u8 *link_addr, int reassoc);
783 void hostapd_notif_disassoc(struct hostapd_data *hapd, const u8 *addr);
784 void hostapd_event_sta_low_ack(struct hostapd_data *hapd, const u8 *addr);
785 void hostapd_event_connect_failed_reason(struct hostapd_data *hapd,
786 					 const u8 *addr, int reason_code);
787 int hostapd_probe_req_rx(struct hostapd_data *hapd, const u8 *sa, const u8 *da,
788 			 const u8 *bssid, const u8 *ie, size_t ie_len,
789 			 int ssi_signal);
790 void hostapd_event_ch_switch(struct hostapd_data *hapd, int freq, int ht,
791 			     int offset, int width, int cf1, int cf2,
792 			     u16 punct_bitmap, int finished);
793 struct survey_results;
794 void hostapd_event_get_survey(struct hostapd_iface *iface,
795 			      struct survey_results *survey_results);
796 void hostapd_acs_channel_selected(struct hostapd_data *hapd,
797 				  struct acs_selected_channels *acs_res);
798 
799 const struct hostapd_eap_user *
800 hostapd_get_eap_user(struct hostapd_data *hapd, const u8 *identity,
801 		     size_t identity_len, int phase2);
802 
803 struct hostapd_data * hostapd_get_iface(struct hapd_interfaces *interfaces,
804 					const char *ifname);
805 void hostapd_event_sta_opmode_changed(struct hostapd_data *hapd, const u8 *addr,
806 				      enum smps_mode smps_mode,
807 				      enum chan_width chan_width, u8 rx_nss);
808 
809 #ifdef CONFIG_FST
810 void fst_hostapd_fill_iface_obj(struct hostapd_data *hapd,
811 				struct fst_wpa_obj *iface_obj);
812 #endif /* CONFIG_FST */
813 
814 int hostapd_set_acl(struct hostapd_data *hapd);
815 struct hostapd_data * hostapd_mbssid_get_tx_bss(struct hostapd_data *hapd);
816 int hostapd_mbssid_get_bss_index(struct hostapd_data *hapd);
817 struct hostapd_data * hostapd_mld_get_link_bss(struct hostapd_data *hapd,
818 					       u8 link_id);
819 int hostapd_link_remove(struct hostapd_data *hapd, u32 count);
820 bool hostapd_is_ml_partner(struct hostapd_data *hapd1,
821 			   struct hostapd_data *hapd2);
822 u8 hostapd_get_mld_id(struct hostapd_data *hapd);
823 int hostapd_mld_add_link(struct hostapd_data *hapd);
824 int hostapd_mld_remove_link(struct hostapd_data *hapd);
825 struct hostapd_data * hostapd_mld_get_first_bss(struct hostapd_data *hapd);
826 
827 void free_beacon_data(struct beacon_data *beacon);
828 int hostapd_fill_cca_settings(struct hostapd_data *hapd,
829 			      struct cca_settings *settings);
830 
831 #ifdef CONFIG_IEEE80211BE
832 
833 bool hostapd_mld_is_first_bss(struct hostapd_data *hapd);
834 
835 #define for_each_mld_link(partner, self) \
836 	dl_list_for_each(partner, &self->mld->links, struct hostapd_data, link)
837 
838 #else /* CONFIG_IEEE80211BE */
839 
hostapd_mld_is_first_bss(struct hostapd_data * hapd)840 static inline bool hostapd_mld_is_first_bss(struct hostapd_data *hapd)
841 {
842 	return true;
843 }
844 
845 #define for_each_mld_link(partner, self) \
846 	if (false)
847 
848 #endif /* CONFIG_IEEE80211BE */
849 
850 u16 hostapd_get_punct_bitmap(struct hostapd_data *hapd);
851 
852 #endif /* HOSTAPD_H */
853