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1 /*
2  * WPA Supplicant / Network configuration structures
3  * Copyright (c) 2003-2013, 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 CONFIG_SSID_H
10 #define CONFIG_SSID_H
11 
12 #include "common/defs.h"
13 #include "utils/list.h"
14 #include "eap_peer/eap_config.h"
15 
16 #define DEFAULT_EAP_WORKAROUND ((unsigned int) -1)
17 #define DEFAULT_EAPOL_FLAGS (EAPOL_FLAG_REQUIRE_KEY_UNICAST | \
18 			     EAPOL_FLAG_REQUIRE_KEY_BROADCAST)
19 #define DEFAULT_PROTO (WPA_PROTO_WPA | WPA_PROTO_RSN)
20 #define DEFAULT_KEY_MGMT (WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_IEEE8021X)
21 #ifdef CONFIG_NO_TKIP
22 #define DEFAULT_PAIRWISE (WPA_CIPHER_CCMP)
23 #define DEFAULT_GROUP (WPA_CIPHER_CCMP)
24 #else /* CONFIG_NO_TKIP */
25 #define DEFAULT_PAIRWISE (WPA_CIPHER_CCMP | WPA_CIPHER_TKIP)
26 #define DEFAULT_GROUP (WPA_CIPHER_CCMP | WPA_CIPHER_TKIP)
27 #endif /* CONFIG_NO_TKIP */
28 #define DEFAULT_FRAGMENT_SIZE 1398
29 
30 #define DEFAULT_BG_SCAN_PERIOD -1
31 #define DEFAULT_MESH_MAX_RETRIES 2
32 #define DEFAULT_MESH_RETRY_TIMEOUT 40
33 #define DEFAULT_MESH_CONFIRM_TIMEOUT 40
34 #define DEFAULT_MESH_HOLDING_TIMEOUT 40
35 #define DEFAULT_MESH_RSSI_THRESHOLD 1 /* no change */
36 #define DEFAULT_DISABLE_HT 0
37 #define DEFAULT_DISABLE_HT40 0
38 #define DEFAULT_DISABLE_SGI 0
39 #define DEFAULT_DISABLE_LDPC 0
40 #define DEFAULT_TX_STBC -1 /* no change */
41 #define DEFAULT_RX_STBC -1 /* no change */
42 #define DEFAULT_DISABLE_MAX_AMSDU -1 /* no change */
43 #define DEFAULT_AMPDU_FACTOR -1 /* no change */
44 #define DEFAULT_AMPDU_DENSITY -1 /* no change */
45 #define DEFAULT_USER_SELECTED_SIM 1
46 #define DEFAULT_MAX_OPER_CHWIDTH -1
47 
48 /* Consider global sae_pwe for SAE mechanism for PWE derivation */
49 #define DEFAULT_SAE_PWE SAE_PWE_NOT_SET
50 
51 struct psk_list_entry {
52 	struct dl_list list;
53 	u8 addr[ETH_ALEN];
54 	u8 psk[32];
55 	u8 p2p;
56 };
57 
58 enum wpas_mode {
59 	WPAS_MODE_INFRA = 0,
60 	WPAS_MODE_IBSS = 1,
61 	WPAS_MODE_AP = 2,
62 	WPAS_MODE_P2P_GO = 3,
63 	WPAS_MODE_P2P_GROUP_FORMATION = 4,
64 	WPAS_MODE_MESH = 5,
65 };
66 
67 enum sae_pk_mode {
68 	SAE_PK_MODE_AUTOMATIC = 0,
69 	SAE_PK_MODE_ONLY = 1,
70 	SAE_PK_MODE_DISABLED = 2,
71 };
72 
73 enum wpas_mac_addr_style {
74 	WPAS_MAC_ADDR_STYLE_NOT_SET = -1,
75 	WPAS_MAC_ADDR_STYLE_PERMANENT = 0,
76 	WPAS_MAC_ADDR_STYLE_RANDOM = 1,
77 	WPAS_MAC_ADDR_STYLE_RANDOM_SAME_OUI = 2,
78 	WPAS_MAC_ADDR_STYLE_DEDICATED_PER_ESS = 3,
79 };
80 
81 /**
82  * struct wpa_ssid - Network configuration data
83  *
84  * This structure includes all the configuration variables for a network. This
85  * data is included in the per-interface configuration data as an element of
86  * the network list, struct wpa_config::ssid. Each network block in the
87  * configuration is mapped to a struct wpa_ssid instance.
88  */
89 struct wpa_ssid {
90 	/**
91 	 * next - Next network in global list
92 	 *
93 	 * This pointer can be used to iterate over all networks. The head of
94 	 * this list is stored in the ssid field of struct wpa_config.
95 	 */
96 	struct wpa_ssid *next;
97 
98 	/**
99 	 * pnext - Next network in per-priority list
100 	 *
101 	 * This pointer can be used to iterate over all networks in the same
102 	 * priority class. The heads of these list are stored in the pssid
103 	 * fields of struct wpa_config.
104 	 */
105 	struct wpa_ssid *pnext;
106 
107 	/**
108 	 * id - Unique id for the network
109 	 *
110 	 * This identifier is used as a unique identifier for each network
111 	 * block when using the control interface. Each network is allocated an
112 	 * id when it is being created, either when reading the configuration
113 	 * file or when a new network is added through the control interface.
114 	 */
115 	int id;
116 
117 	/**
118 	 * ro - Whether a network is declared as read-only
119 	 *
120 	 * Every network which is defined in a config file that is passed to
121 	 * wpa_supplicant using the -I option will be marked as read-only
122 	 * using this flag. It has the effect that it won't be written to
123 	 * /etc/wpa_supplicant.conf (from -c argument) if, e.g., wpa_gui tells
124 	 * the daemon to save all changed configs.
125 	 *
126 	 * This is necessary because networks from /etc/wpa_supplicant.conf
127 	 * have a higher priority and changes from an alternative file would be
128 	 * silently overwritten without this.
129 	 */
130 	bool ro;
131 
132 	/**
133 	 * priority - Priority group
134 	 *
135 	 * By default, all networks will get same priority group (0). If some
136 	 * of the networks are more desirable, this field can be used to change
137 	 * the order in which wpa_supplicant goes through the networks when
138 	 * selecting a BSS. The priority groups will be iterated in decreasing
139 	 * priority (i.e., the larger the priority value, the sooner the
140 	 * network is matched against the scan results). Within each priority
141 	 * group, networks will be selected based on security policy, signal
142 	 * strength, etc.
143 	 *
144 	 * Please note that AP scanning with scan_ssid=1 and ap_scan=2 mode are
145 	 * not using this priority to select the order for scanning. Instead,
146 	 * they try the networks in the order that used in the configuration
147 	 * file.
148 	 */
149 	int priority;
150 
151 	/**
152 	 * ssid - Service set identifier (network name)
153 	 *
154 	 * This is the SSID for the network. For wireless interfaces, this is
155 	 * used to select which network will be used. If set to %NULL (or
156 	 * ssid_len=0), any SSID can be used. For wired interfaces, this must
157 	 * be set to %NULL. Note: SSID may contain any characters, even nul
158 	 * (ASCII 0) and as such, this should not be assumed to be a nul
159 	 * terminated string. ssid_len defines how many characters are valid
160 	 * and the ssid field is not guaranteed to be nul terminated.
161 	 */
162 	u8 *ssid;
163 
164 	/**
165 	 * ssid_len - Length of the SSID
166 	 */
167 	size_t ssid_len;
168 
169 	/**
170 	 * bssid - BSSID
171 	 *
172 	 * If set, this network block is used only when associating with the AP
173 	 * using the configured BSSID
174 	 *
175 	 * If this is a persistent P2P group (disabled == 2), this is the GO
176 	 * Device Address.
177 	 */
178 	u8 bssid[ETH_ALEN];
179 
180 	/**
181 	 * bssid_ignore - List of inacceptable BSSIDs
182 	 */
183 	u8 *bssid_ignore;
184 	size_t num_bssid_ignore;
185 
186 	/**
187 	 * bssid_accept - List of acceptable BSSIDs
188 	 */
189 	u8 *bssid_accept;
190 	size_t num_bssid_accept;
191 
192 	/**
193 	 * bssid_set - Whether BSSID is configured for this network
194 	 */
195 	int bssid_set;
196 
197 	/**
198 	 * bssid_hint - BSSID hint
199 	 *
200 	 * If set, this is configured to the driver as a preferred initial BSSID
201 	 * while connecting to this network.
202 	 */
203 	u8 bssid_hint[ETH_ALEN];
204 
205 	/**
206 	 * bssid_hint_set - Whether BSSID hint is configured for this network
207 	 */
208 	int bssid_hint_set;
209 
210 	/**
211 	 * go_p2p_dev_addr - GO's P2P Device Address or all zeros if not set
212 	 */
213 	u8 go_p2p_dev_addr[ETH_ALEN];
214 
215 	/**
216 	 * psk - WPA pre-shared key (256 bits)
217 	 */
218 	u8 psk[32];
219 
220 	/**
221 	 * psk_set - Whether PSK field is configured
222 	 */
223 	int psk_set;
224 
225 	/**
226 	 * passphrase - WPA ASCII passphrase
227 	 *
228 	 * If this is set, psk will be generated using the SSID and passphrase
229 	 * configured for the network. ASCII passphrase must be between 8 and
230 	 * 63 characters (inclusive).
231 	 */
232 	char *passphrase;
233 
234 	/**
235 	 * sae_password - SAE password
236 	 *
237 	 * This parameter can be used to set a password for SAE. By default, the
238 	 * passphrase value is used if this separate parameter is not used, but
239 	 * passphrase follows the WPA-PSK constraints (8..63 characters) even
240 	 * though SAE passwords do not have such constraints.
241 	 */
242 	char *sae_password;
243 
244 	/**
245 	 * sae_password_id - SAE password identifier
246 	 *
247 	 * This parameter can be used to identify a specific SAE password. If
248 	 * not included, the default SAE password is used instead.
249 	 */
250 	char *sae_password_id;
251 
252 	struct sae_pt *pt;
253 
254 	/**
255 	 * ext_psk - PSK/passphrase name in external storage
256 	 *
257 	 * If this is set, PSK/passphrase will be fetched from external storage
258 	 * when requesting association with the network.
259 	 */
260 	char *ext_psk;
261 
262 	/**
263 	 * mem_only_psk - Whether to keep PSK/passphrase only in memory
264 	 *
265 	 * 0 = allow psk/passphrase to be stored to the configuration file
266 	 * 1 = do not store psk/passphrase to the configuration file
267 	 */
268 	int mem_only_psk;
269 
270 	/**
271 	 * pairwise_cipher - Bitfield of allowed pairwise ciphers, WPA_CIPHER_*
272 	 */
273 	int pairwise_cipher;
274 
275 	/**
276 	 * group_cipher - Bitfield of allowed group ciphers, WPA_CIPHER_*
277 	 */
278 	int group_cipher;
279 
280 	/**
281 	 * group_mgmt_cipher - Bitfield of allowed group management ciphers
282 	 *
283 	 * This is a bitfield of WPA_CIPHER_AES_128_CMAC and WPA_CIPHER_BIP_*
284 	 * values. If 0, no constraint is used for the cipher, i.e., whatever
285 	 * the AP uses is accepted.
286 	 */
287 	int group_mgmt_cipher;
288 
289 	/**
290 	 * key_mgmt - Bitfield of allowed key management protocols
291 	 *
292 	 * WPA_KEY_MGMT_*
293 	 */
294 	int key_mgmt;
295 
296 	/**
297 	 * bg_scan_period - Background scan period in seconds, 0 to disable, or
298 	 * -1 to indicate no change to default driver configuration
299 	 */
300 	int bg_scan_period;
301 
302 	/**
303 	 * proto - Bitfield of allowed protocols, WPA_PROTO_*
304 	 */
305 	int proto;
306 
307 	/**
308 	 * auth_alg -  Bitfield of allowed authentication algorithms
309 	 *
310 	 * WPA_AUTH_ALG_*
311 	 */
312 	int auth_alg;
313 
314 	/**
315 	 * scan_ssid - Scan this SSID with Probe Requests
316 	 *
317 	 * scan_ssid can be used to scan for APs using hidden SSIDs.
318 	 * Note: Many drivers do not support this. ap_mode=2 can be used with
319 	 * such drivers to use hidden SSIDs. Note2: Most nl80211-based drivers
320 	 * do support scan_ssid=1 and that should be used with them instead of
321 	 * ap_scan=2.
322 	 */
323 	int scan_ssid;
324 
325 #ifdef IEEE8021X_EAPOL
326 #define EAPOL_FLAG_REQUIRE_KEY_UNICAST BIT(0)
327 #define EAPOL_FLAG_REQUIRE_KEY_BROADCAST BIT(1)
328 	/**
329 	 * eapol_flags - Bit field of IEEE 802.1X/EAPOL options (EAPOL_FLAG_*)
330 	 */
331 	int eapol_flags;
332 
333 	/**
334 	 * eap - EAP peer configuration for this network
335 	 */
336 	struct eap_peer_config eap;
337 #endif /* IEEE8021X_EAPOL */
338 
339 #ifdef CONFIG_WEP
340 #define NUM_WEP_KEYS 4
341 #define MAX_WEP_KEY_LEN 16
342 	/**
343 	 * wep_key - WEP keys
344 	 */
345 	u8 wep_key[NUM_WEP_KEYS][MAX_WEP_KEY_LEN];
346 
347 	/**
348 	 * wep_key_len - WEP key lengths
349 	 */
350 	size_t wep_key_len[NUM_WEP_KEYS];
351 
352 	/**
353 	 * wep_tx_keyidx - Default key index for TX frames using WEP
354 	 */
355 	int wep_tx_keyidx;
356 #endif /* CONFIG_WEP */
357 
358 	/**
359 	 * proactive_key_caching - Enable proactive key caching
360 	 *
361 	 * This field can be used to enable proactive key caching which is also
362 	 * known as opportunistic PMKSA caching for WPA2. This is disabled (0)
363 	 * by default unless default value is changed with the global okc=1
364 	 * parameter. Enable by setting this to 1.
365 	 *
366 	 * Proactive key caching is used to make supplicant assume that the APs
367 	 * are using the same PMK and generate PMKSA cache entries without
368 	 * doing RSN pre-authentication. This requires support from the AP side
369 	 * and is normally used with wireless switches that co-locate the
370 	 * authenticator.
371 	 *
372 	 * Internally, special value -1 is used to indicate that the parameter
373 	 * was not specified in the configuration (i.e., default behavior is
374 	 * followed).
375 	 */
376 	int proactive_key_caching;
377 
378 	/**
379 	 * mixed_cell - Whether mixed cells are allowed
380 	 *
381 	 * This option can be used to configure whether so called mixed cells,
382 	 * i.e., networks that use both plaintext and encryption in the same
383 	 * SSID, are allowed. This is disabled (0) by default. Enable by
384 	 * setting this to 1.
385 	 */
386 	int mixed_cell;
387 
388 #ifdef IEEE8021X_EAPOL
389 
390 	/**
391 	 * leap - Number of EAP methods using LEAP
392 	 *
393 	 * This field should be set to 1 if LEAP is enabled. This is used to
394 	 * select IEEE 802.11 authentication algorithm.
395 	 */
396 	int leap;
397 
398 	/**
399 	 * non_leap - Number of EAP methods not using LEAP
400 	 *
401 	 * This field should be set to >0 if any EAP method other than LEAP is
402 	 * enabled. This is used to select IEEE 802.11 authentication
403 	 * algorithm.
404 	 */
405 	int non_leap;
406 
407 	/**
408 	 * eap_workaround - EAP workarounds enabled
409 	 *
410 	 * wpa_supplicant supports number of "EAP workarounds" to work around
411 	 * interoperability issues with incorrectly behaving authentication
412 	 * servers. This is recommended to be enabled by default because some
413 	 * of the issues are present in large number of authentication servers.
414 	 *
415 	 * Strict EAP conformance mode can be configured by disabling
416 	 * workarounds with eap_workaround = 0.
417 	 */
418 	unsigned int eap_workaround;
419 
420 #endif /* IEEE8021X_EAPOL */
421 
422 	/**
423 	 * mode - IEEE 802.11 operation mode (Infrastucture/IBSS)
424 	 *
425 	 * 0 = infrastructure (Managed) mode, i.e., associate with an AP.
426 	 *
427 	 * 1 = IBSS (ad-hoc, peer-to-peer)
428 	 *
429 	 * 2 = AP (access point)
430 	 *
431 	 * 3 = P2P Group Owner (can be set in the configuration file)
432 	 *
433 	 * 4 = P2P Group Formation (used internally; not in configuration
434 	 * files)
435 	 *
436 	 * 5 = Mesh
437 	 *
438 	 * Note: IBSS can only be used with key_mgmt NONE (plaintext and static
439 	 * WEP) and WPA-PSK (with proto=RSN). In addition, key_mgmt=WPA-NONE
440 	 * (fixed group key TKIP/CCMP) is available for backwards compatibility,
441 	 * but its use is deprecated. WPA-None requires following network block
442 	 * options: proto=WPA, key_mgmt=WPA-NONE, pairwise=NONE, group=TKIP (or
443 	 * CCMP, but not both), and psk must also be set (either directly or
444 	 * using ASCII passphrase).
445 	 */
446 	enum wpas_mode mode;
447 
448 	/**
449 	 * pbss - Whether to use PBSS. Relevant to DMG networks only.
450 	 * 0 = do not use PBSS
451 	 * 1 = use PBSS
452 	 * 2 = don't care (not allowed in AP mode)
453 	 * Used together with mode configuration. When mode is AP, it
454 	 * means to start a PCP instead of a regular AP. When mode is INFRA it
455 	 * means connect to a PCP instead of AP. In this mode you can also
456 	 * specify 2 (don't care) meaning connect to either AP or PCP.
457 	 * P2P_GO and P2P_GROUP_FORMATION modes must use PBSS in DMG network.
458 	 */
459 	int pbss;
460 
461 	/**
462 	 * disabled - Whether this network is currently disabled
463 	 *
464 	 * 0 = this network can be used (default).
465 	 * 1 = this network block is disabled (can be enabled through
466 	 * ctrl_iface, e.g., with wpa_cli or wpa_gui).
467 	 * 2 = this network block includes parameters for a persistent P2P
468 	 * group (can be used with P2P ctrl_iface commands)
469 	 */
470 	int disabled;
471 
472 	/**
473 	 * disabled_for_connect - Whether this network was temporarily disabled
474 	 *
475 	 * This flag is used to reenable all the temporarily disabled networks
476 	 * after either the success or failure of a WPS connection.
477 	 */
478 	int disabled_for_connect;
479 
480 	/**
481 	 * id_str - Network identifier string for external scripts
482 	 *
483 	 * This value is passed to external ctrl_iface monitors in
484 	 * WPA_EVENT_CONNECTED event and wpa_cli sets this as WPA_ID_STR
485 	 * environment variable for action scripts.
486 	 */
487 	char *id_str;
488 
489 	/**
490 	 * ieee80211w - Whether management frame protection is enabled
491 	 *
492 	 * This value is used to configure policy for management frame
493 	 * protection (IEEE 802.11w). 0 = disabled, 1 = optional, 2 = required.
494 	 * This is disabled by default unless the default value has been changed
495 	 * with the global pmf=1/2 parameter.
496 	 *
497 	 * Internally, special value 3 is used to indicate that the parameter
498 	 * was not specified in the configuration (i.e., default behavior is
499 	 * followed).
500 	 */
501 	enum mfp_options ieee80211w;
502 
503 #ifdef CONFIG_OCV
504 	/**
505 	 * ocv - Enable/disable operating channel validation
506 	 *
507 	 * If this parameter is set to 1, stations will exchange OCI element
508 	 * to cryptographically verify the operating channel. Setting this
509 	 * parameter to 0 disables this option. Default value: 0.
510 	 */
511 	int ocv;
512 #endif /* CONFIG_OCV */
513 
514 	/**
515 	 * frequency - Channel frequency in megahertz (MHz) for IBSS
516 	 *
517 	 * This value is used to configure the initial channel for IBSS (adhoc)
518 	 * networks, e.g., 2412 = IEEE 802.11b/g channel 1. It is ignored in
519 	 * the infrastructure mode. In addition, this value is only used by the
520 	 * station that creates the IBSS. If an IBSS network with the
521 	 * configured SSID is already present, the frequency of the network
522 	 * will be used instead of this configured value.
523 	 */
524 	int frequency;
525 
526 	/**
527 	 * enable_edmg - Enable EDMG feature in STA/AP mode
528 	 *
529 	 * This flag is used for enabling the EDMG capability in STA/AP mode.
530 	 */
531 	int enable_edmg;
532 
533 	/**
534 	 * edmg_channel - EDMG channel number
535 	 *
536 	 * This value is used to configure the EDMG channel bonding feature.
537 	 * In AP mode it defines the EDMG channel to start the AP on.
538 	 * in STA mode it defines the EDMG channel to use for connection
539 	 * (if supported by AP).
540 	 */
541 	u8 edmg_channel;
542 
543 	/**
544 	 * fixed_freq - Use fixed frequency for IBSS
545 	 */
546 	int fixed_freq;
547 
548 #ifdef CONFIG_ACS
549 	/**
550 	 * ACS - Automatic Channel Selection for AP mode
551 	 *
552 	 * If present, it will be handled together with frequency.
553 	 * frequency will be used to determine hardware mode only, when it is
554 	 * used for both hardware mode and channel when used alone. This will
555 	 * force the channel to be set to 0, thus enabling ACS.
556 	 */
557 	int acs;
558 #endif /* CONFIG_ACS */
559 
560 	/**
561 	 * mesh_basic_rates - BSS Basic rate set for mesh network
562 	 *
563 	 */
564 	int *mesh_basic_rates;
565 
566 	/**
567 	 * Mesh network plink parameters
568 	 */
569 	int dot11MeshMaxRetries;
570 	int dot11MeshRetryTimeout; /* msec */
571 	int dot11MeshConfirmTimeout; /* msec */
572 	int dot11MeshHoldingTimeout; /* msec */
573 
574 	/**
575 	 * Mesh network layer-2 forwarding (dot11MeshForwarding)
576 	 */
577 	int mesh_fwding;
578 
579 	int ht;
580 	int ht40;
581 
582 	int vht;
583 
584 	int he;
585 
586 	int eht;
587 
588 	enum oper_chan_width max_oper_chwidth;
589 
590 	unsigned int vht_center_freq1;
591 	unsigned int vht_center_freq2;
592 
593 	/**
594 	 * wpa_ptk_rekey - Maximum lifetime for PTK in seconds
595 	 *
596 	 * This value can be used to enforce rekeying of PTK to mitigate some
597 	 * attacks against TKIP deficiencies.
598 	 */
599 	int wpa_ptk_rekey;
600 
601 	/** wpa_deny_ptk0_rekey - Control PTK0 rekeying
602 	 *
603 	 * Rekeying a pairwise key using only keyid 0 (PTK0 rekey) has many
604 	 * broken implementations and should be avoided when using or
605 	 * interacting with one.
606 	 *
607 	 * 0 = always rekey when configured/instructed
608 	 * 1 = only rekey when the local driver is explicitly indicating it can
609 	 *	perform this operation without issues
610 	 * 2 = never allow PTK0 rekeys
611 	 */
612 	enum ptk0_rekey_handling wpa_deny_ptk0_rekey;
613 
614 	/**
615 	 * group_rekey - Group rekeying time in seconds
616 	 *
617 	 * This value, if non-zero, is used as the dot11RSNAConfigGroupRekeyTime
618 	 * parameter when operating in Authenticator role in IBSS.
619 	 */
620 	int group_rekey;
621 
622 	/**
623 	 * scan_freq - Array of frequencies to scan or %NULL for all
624 	 *
625 	 * This is an optional zero-terminated array of frequencies in
626 	 * megahertz (MHz) to include in scan requests when searching for this
627 	 * network. This can be used to speed up scanning when the network is
628 	 * known to not use all possible channels.
629 	 */
630 	int *scan_freq;
631 
632 	/**
633 	 * bgscan - Background scan and roaming parameters or %NULL if none
634 	 *
635 	 * This is an optional set of parameters for background scanning and
636 	 * roaming within a network (ESS) in following format:
637 	 * <bgscan module name>:<module parameters>
638 	 */
639 	char *bgscan;
640 
641 	/**
642 	 * ignore_broadcast_ssid - Hide SSID in AP mode
643 	 *
644 	 * Send empty SSID in beacons and ignore probe request frames that do
645 	 * not specify full SSID, i.e., require stations to know SSID.
646 	 * default: disabled (0)
647 	 * 1 = send empty (length=0) SSID in beacon and ignore probe request
648 	 * for broadcast SSID
649 	 * 2 = clear SSID (ASCII 0), but keep the original length (this may be
650 	 * required with some clients that do not support empty SSID) and
651 	 * ignore probe requests for broadcast SSID
652 	 */
653 	int ignore_broadcast_ssid;
654 
655 	/**
656 	 * freq_list - Array of allowed frequencies or %NULL for all
657 	 *
658 	 * This is an optional zero-terminated array of frequencies in
659 	 * megahertz (MHz) to allow for selecting the BSS. If set, scan results
660 	 * that do not match any of the specified frequencies are not
661 	 * considered when selecting a BSS.
662 	 */
663 	int *freq_list;
664 
665 	/**
666 	 * p2p_client_list - List of P2P Clients in a persistent group (GO)
667 	 *
668 	 * This is a list of P2P Clients (P2P Device Address) that have joined
669 	 * the persistent group. This is maintained on the GO for persistent
670 	 * group entries (disabled == 2).
671 	 */
672 	u8 *p2p_client_list;
673 
674 	/**
675 	 * num_p2p_clients - Number of entries in p2p_client_list
676 	 */
677 	size_t num_p2p_clients;
678 
679 #ifndef P2P_MAX_STORED_CLIENTS
680 #define P2P_MAX_STORED_CLIENTS 100
681 #endif /* P2P_MAX_STORED_CLIENTS */
682 
683 	/**
684 	 * psk_list - Per-client PSKs (struct psk_list_entry)
685 	 */
686 	struct dl_list psk_list;
687 
688 	/**
689 	 * p2p_group - Network generated as a P2P group (used internally)
690 	 */
691 	int p2p_group;
692 
693 	/**
694 	 * p2p_persistent_group - Whether this is a persistent group
695 	 */
696 	int p2p_persistent_group;
697 
698 	/**
699 	 * temporary - Whether this network is temporary and not to be saved
700 	 */
701 	int temporary;
702 
703 	/**
704 	 * export_keys - Whether keys may be exported
705 	 *
706 	 * This attribute will be set when keys are determined through
707 	 * WPS or similar so that they may be exported.
708 	 */
709 	int export_keys;
710 
711 #ifdef CONFIG_HT_OVERRIDES
712 	/**
713 	 * disable_ht - Disable HT (IEEE 802.11n) for this network
714 	 *
715 	 * By default, use it if it is available, but this can be configured
716 	 * to 1 to have it disabled.
717 	 */
718 	int disable_ht;
719 
720 	/**
721 	 * disable_ht40 - Disable HT40 for this network
722 	 *
723 	 * By default, use it if it is available, but this can be configured
724 	 * to 1 to have it disabled.
725 	 */
726 	int disable_ht40;
727 
728 	/**
729 	 * disable_sgi - Disable SGI (Short Guard Interval) for this network
730 	 *
731 	 * By default, use it if it is available, but this can be configured
732 	 * to 1 to have it disabled.
733 	 */
734 	int disable_sgi;
735 
736 	/**
737 	 * disable_ldpc - Disable LDPC for this network
738 	 *
739 	 * By default, use it if it is available, but this can be configured
740 	 * to 1 to have it disabled.
741 	 */
742 	int disable_ldpc;
743 
744 	/**
745 	 * ht40_intolerant - Indicate 40 MHz intolerant for this network
746 	 */
747 	int ht40_intolerant;
748 
749 	/**
750 	 * disable_max_amsdu - Disable MAX A-MSDU
751 	 *
752 	 * A-MDSU will be 3839 bytes when disabled, or 7935
753 	 * when enabled (assuming it is otherwise supported)
754 	 * -1 (default) means do not apply any settings to the kernel.
755 	 */
756 	int disable_max_amsdu;
757 
758 	/**
759 	 * ampdu_factor - Maximum A-MPDU Length Exponent
760 	 *
761 	 * Value: 0-3, see 7.3.2.56.3 in IEEE Std 802.11n-2009.
762 	 */
763 	int ampdu_factor;
764 
765 	/**
766 	 * ampdu_density - Minimum A-MPDU Start Spacing
767 	 *
768 	 * Value: 0-7, see 7.3.2.56.3 in IEEE Std 802.11n-2009.
769 	 */
770 	int ampdu_density;
771 
772 	/**
773 	 * ht_mcs - Allowed HT-MCS rates, in ASCII hex: ffff0000...
774 	 *
775 	 * By default (empty string): Use whatever the OS has configured.
776 	 */
777 	char *ht_mcs;
778 
779 	/**
780 	 * tx_stbc - Indicate STBC support for TX streams
781 	 *
782 	 * Value: -1..1, by default (-1): use whatever the OS or card has
783 	 * configured. See IEEE Std 802.11-2016, 9.4.2.56.2.
784 	 */
785 	int tx_stbc;
786 
787 	/**
788 	 * rx_stbc - Indicate STBC support for RX streams
789 	 *
790 	 * Value: -1..3, by default (-1): use whatever the OS or card has
791 	 * configured. See IEEE Std 802.11-2016, 9.4.2.56.2.
792 	 */
793 	int rx_stbc;
794 #endif /* CONFIG_HT_OVERRIDES */
795 
796 #ifdef CONFIG_VHT_OVERRIDES
797 	/**
798 	 * disable_vht - Disable VHT (IEEE 802.11ac) for this network
799 	 *
800 	 * By default, use it if it is available, but this can be configured
801 	 * to 1 to have it disabled.
802 	 */
803 	int disable_vht;
804 
805 	/**
806 	 * vht_capa - VHT capabilities to use
807 	 */
808 	unsigned int vht_capa;
809 
810 	/**
811 	 * vht_capa_mask - mask for VHT capabilities
812 	 */
813 	unsigned int vht_capa_mask;
814 
815 	int vht_rx_mcs_nss_1, vht_rx_mcs_nss_2,
816 	    vht_rx_mcs_nss_3, vht_rx_mcs_nss_4,
817 	    vht_rx_mcs_nss_5, vht_rx_mcs_nss_6,
818 	    vht_rx_mcs_nss_7, vht_rx_mcs_nss_8;
819 	int vht_tx_mcs_nss_1, vht_tx_mcs_nss_2,
820 	    vht_tx_mcs_nss_3, vht_tx_mcs_nss_4,
821 	    vht_tx_mcs_nss_5, vht_tx_mcs_nss_6,
822 	    vht_tx_mcs_nss_7, vht_tx_mcs_nss_8;
823 #endif /* CONFIG_VHT_OVERRIDES */
824 
825 #ifdef CONFIG_HE_OVERRIDES
826 	/**
827 	 * disable_he - Disable HE (IEEE 802.11ax) for this network
828 	 *
829 	 * By default, use it if it is available, but this can be configured
830 	 * to 1 to have it disabled.
831 	 */
832 	int disable_he;
833 #endif /* CONFIG_HE_OVERRIDES */
834 
835 	/**
836 	 * ap_max_inactivity - Timeout in seconds to detect STA's inactivity
837 	 *
838 	 * This timeout value is used in AP mode to clean up inactive stations.
839 	 * By default: 300 seconds.
840 	 */
841 	int ap_max_inactivity;
842 
843 	/**
844 	 * dtim_period - DTIM period in Beacon intervals
845 	 * By default: 2
846 	 */
847 	int dtim_period;
848 
849 	/**
850 	 * beacon_int - Beacon interval (default: 100 TU)
851 	 */
852 	int beacon_int;
853 
854 	/**
855 	 * auth_failures - Number of consecutive authentication failures
856 	 */
857 	unsigned int auth_failures;
858 
859 	/**
860 	 * disabled_until - Network block disabled until this time if non-zero
861 	 */
862 	struct os_reltime disabled_until;
863 
864 	/**
865 	 * disabled_due_to - BSSID of the disabling failure
866 	 *
867 	 * This identifies the BSS that failed the connection attempt that
868 	 * resulted in the network being temporarily disabled.
869 	 */
870 	u8 disabled_due_to[ETH_ALEN];
871 
872 	/**
873 	 * parent_cred - Pointer to parent wpa_cred entry
874 	 *
875 	 * This pointer can be used to delete temporary networks when a wpa_cred
876 	 * that was used to create them is removed. This pointer should not be
877 	 * dereferences since it may not be updated in all cases.
878 	 */
879 	void *parent_cred;
880 
881 #ifdef CONFIG_MACSEC
882 	/**
883 	 * macsec_policy - Determines the policy for MACsec secure session
884 	 *
885 	 * 0: MACsec not in use (default)
886 	 * 1: MACsec enabled - Should secure, accept key server's advice to
887 	 *    determine whether to use a secure session or not.
888 	 */
889 	int macsec_policy;
890 
891 	/**
892 	 * macsec_integ_only - Determines how MACsec are transmitted
893 	 *
894 	 * This setting applies only when MACsec is in use, i.e.,
895 	 *  - macsec_policy is enabled
896 	 *  - the key server has decided to enable MACsec
897 	 *
898 	 * 0: Encrypt traffic (default)
899 	 * 1: Integrity only
900 	 */
901 	int macsec_integ_only;
902 
903 	/**
904 	 * macsec_replay_protect - Enable MACsec replay protection
905 	 *
906 	 * This setting applies only when MACsec is in use, i.e.,
907 	 *  - macsec_policy is enabled
908 	 *  - the key server has decided to enable MACsec
909 	 *
910 	 * 0: Replay protection disabled (default)
911 	 * 1: Replay protection enabled
912 	 */
913 	int macsec_replay_protect;
914 
915 	/**
916 	 * macsec_replay_window - MACsec replay protection window
917 	 *
918 	 * A window in which replay is tolerated, to allow receipt of frames
919 	 * that have been misordered by the network.
920 	 *
921 	 * This setting applies only when MACsec replay protection active, i.e.,
922 	 *  - macsec_replay_protect is enabled
923 	 *  - the key server has decided to enable MACsec
924 	 *
925 	 * 0: No replay window, strict check (default)
926 	 * 1..2^32-1: number of packets that could be misordered
927 	 */
928 	u32 macsec_replay_window;
929 
930 	/**
931 	 * macsec_offload - Enable MACsec hardware offload
932 	 *
933 	 * This setting applies only when MACsec is in use, i.e.,
934 	 *  - the key server has decided to enable MACsec
935 	 *
936 	 * 0 = MACSEC_OFFLOAD_OFF (default)
937 	 * 1 = MACSEC_OFFLOAD_PHY
938 	 * 2 = MACSEC_OFFLOAD_MAC
939 	 */
940 	int macsec_offload;
941 
942 	/**
943 	 * macsec_port - MACsec port (in SCI)
944 	 *
945 	 * Port component of the SCI.
946 	 *
947 	 * Range: 1-65534 (default: 1)
948 	 */
949 	int macsec_port;
950 
951 	/**
952 	 * mka_priority - Priority of MKA Actor
953 	 *
954 	 * Range: 0-255 (default: 255)
955 	 */
956 	int mka_priority;
957 
958 	/**
959 	 * macsec_csindex - Cipher suite index for MACsec
960 	 *
961 	 * Range: 0-1 (default: 0)
962 	 */
963 	int macsec_csindex;
964 
965 	/**
966 	 * mka_ckn - MKA pre-shared CKN
967 	 */
968 #define MACSEC_CKN_MAX_LEN 32
969 	size_t mka_ckn_len;
970 	u8 mka_ckn[MACSEC_CKN_MAX_LEN];
971 
972 	/**
973 	 * mka_cak - MKA pre-shared CAK
974 	 */
975 #define MACSEC_CAK_MAX_LEN 32
976 	size_t mka_cak_len;
977 	u8 mka_cak[MACSEC_CAK_MAX_LEN];
978 
979 #define MKA_PSK_SET_CKN BIT(0)
980 #define MKA_PSK_SET_CAK BIT(1)
981 #define MKA_PSK_SET (MKA_PSK_SET_CKN | MKA_PSK_SET_CAK)
982 	/**
983 	 * mka_psk_set - Whether mka_ckn and mka_cak are set
984 	 */
985 	u8 mka_psk_set;
986 #endif /* CONFIG_MACSEC */
987 
988 #ifdef CONFIG_HS20
989 	int update_identifier;
990 
991 	/**
992 	 * roaming_consortium_selection - Roaming Consortium Selection
993 	 *
994 	 * The matching Roaming Consortium OI that was used to generate this
995 	 * network profile.
996 	 */
997 	u8 *roaming_consortium_selection;
998 
999 	/**
1000 	 * roaming_consortium_selection_len - roaming_consortium_selection len
1001 	 */
1002 	size_t roaming_consortium_selection_len;
1003 #endif /* CONFIG_HS20 */
1004 
1005 	unsigned int wps_run;
1006 
1007 	/**
1008 	 * mac_addr - MAC address policy
1009 	 *
1010 	 * 0 = use permanent MAC address
1011 	 * 1 = use random MAC address for each ESS connection
1012 	 * 2 = like 1, but maintain OUI (with local admin bit set)
1013 	 * 3 = use dedicated/pregenerated MAC address (see mac_value)
1014 	 *
1015 	 * Internally, special value -1 is used to indicate that the parameter
1016 	 * was not specified in the configuration (i.e., default behavior is
1017 	 * followed).
1018 	 */
1019 	enum wpas_mac_addr_style mac_addr;
1020 
1021 	/**
1022 	 * mac_value - Specific MAC address to be used
1023 	 *
1024 	 * When mac_addr policy is equal to 3 this is the value of the MAC
1025 	 * address that should be used.
1026 	 */
1027 	u8 mac_value[ETH_ALEN];
1028 
1029 	/**
1030 	 * no_auto_peer - Do not automatically peer with compatible mesh peers
1031 	 *
1032 	 * When unset, the reception of a beacon from a another mesh peer in
1033 	 * this MBSS will trigger a peering attempt.
1034 	 */
1035 	int no_auto_peer;
1036 
1037 	/**
1038 	 * mesh_rssi_threshold - Set mesh parameter mesh_rssi_threshold (dBm)
1039 	 *
1040 	 * -255..-1 = threshold value in dBm
1041 	 * 0 = not using RSSI threshold
1042 	 * 1 = do not change driver default
1043 	 */
1044 	int mesh_rssi_threshold;
1045 
1046 	/**
1047 	 * wps_disabled - WPS disabled in AP mode
1048 	 *
1049 	 * 0 = WPS enabled and configured (default)
1050 	 * 1 = WPS disabled
1051 	 */
1052 	int wps_disabled;
1053 
1054 	/**
1055 	 * fils_dh_group - FILS DH Group
1056 	 *
1057 	 * 0 = PFS disabled with FILS shared key authentication
1058 	 * 1-65535 DH Group to use for FILS PFS
1059 	 */
1060 	int fils_dh_group;
1061 
1062 	/**
1063 	 * dpp_connector - DPP Connector (signedConnector as string)
1064 	 */
1065 	char *dpp_connector;
1066 
1067 	/**
1068 	 * dpp_netaccesskey - DPP netAccessKey (own private key)
1069 	 */
1070 	u8 *dpp_netaccesskey;
1071 
1072 	/**
1073 	 * dpp_netaccesskey_len - DPP netAccessKey length in octets
1074 	 */
1075 	size_t dpp_netaccesskey_len;
1076 
1077 	/**
1078 	 * net_access_key_expiry - DPP netAccessKey expiry in UNIX time stamp
1079 	 *
1080 	 * 0 indicates no expiration.
1081 	 */
1082 	unsigned int dpp_netaccesskey_expiry;
1083 
1084 	/**
1085 	 * dpp_csign - C-sign-key (Configurator public key)
1086 	 */
1087 	u8 *dpp_csign;
1088 
1089 	/**
1090 	 * dpp_csign_len - C-sign-key length in octets
1091 	 */
1092 	size_t dpp_csign_len;
1093 
1094 	/**
1095 	 * dpp_pp_key - ppKey (Configurator privacy protection public key)
1096 	 */
1097 	u8 *dpp_pp_key;
1098 
1099 	/**
1100 	 * dpp_pp_key_len - ppKey length in octets
1101 	 */
1102 	size_t dpp_pp_key_len;
1103 
1104 	/**
1105 	 * dpp_pfs - DPP PFS
1106 	 * 0: allow PFS to be used or not used
1107 	 * 1: require PFS to be used (note: not compatible with DPP R1)
1108 	 * 2: do not allow PFS to be used
1109 	 */
1110 	int dpp_pfs;
1111 
1112 	/**
1113 	 * dpp_pfs_fallback - DPP PFS fallback selection
1114 	 *
1115 	 * This is an internally used variable (i.e., not used in external
1116 	 * configuration) to track state of the DPP PFS fallback mechanism.
1117 	 */
1118 	int dpp_pfs_fallback;
1119 
1120 	/**
1121 	 * dpp_connector_privacy - Network introduction type
1122 	 * 0: unprotected variant from DPP R1
1123 	 * 1: privacy protecting (station Connector encrypted) variant from
1124 	 *    DPP R3
1125 	 */
1126 	int dpp_connector_privacy;
1127 
1128 	/**
1129 	 * owe_group - OWE DH Group
1130 	 *
1131 	 * 0 = use default (19) first and then try all supported groups one by
1132 	 *	one if AP rejects the selected group
1133 	 * 1-65535 DH Group to use for OWE
1134 	 *
1135 	 * Groups 19 (NIST P-256), 20 (NIST P-384), and 21 (NIST P-521) are
1136 	 * currently supported.
1137 	 */
1138 	int owe_group;
1139 
1140 	/**
1141 	 * owe_only - OWE-only mode (disable transition mode)
1142 	 *
1143 	 * 0 = enable transition mode (allow connection to either OWE or open
1144 	 *	BSS)
1145 	 * 1 = disable transition mode (allow connection only with OWE)
1146 	 */
1147 	int owe_only;
1148 
1149 	/**
1150 	 * owe_ptk_workaround - OWE PTK derivation workaround
1151 	 *
1152 	 * Initial OWE implementation used SHA256 when deriving the PTK for all
1153 	 * OWE groups. This was supposed to change to SHA384 for group 20 and
1154 	 * SHA512 for group 21. This parameter can be used to enable older
1155 	 * behavior mainly for testing purposes. There is no impact to group 19
1156 	 * behavior, but if enabled, this will make group 20 and 21 cases use
1157 	 * SHA256-based PTK derivation which will not work with the updated
1158 	 * OWE implementation on the AP side.
1159 	 */
1160 	int owe_ptk_workaround;
1161 
1162 	/**
1163 	 * owe_transition_bss_select_count - OWE transition BSS select count
1164 	 *
1165 	 * This is an internally used variable (i.e., not used in external
1166 	 * configuration) to track the number of selection attempts done for
1167 	 * OWE BSS in transition mode. This allows fallback to an open BSS if
1168 	 * the selection attempts for OWE BSS exceed the configured threshold.
1169 	 */
1170 	int owe_transition_bss_select_count;
1171 
1172 	/**
1173 	 * multi_ap_backhaul_sta - Multi-AP backhaul STA
1174 	 * 0 = normal (non-Multi-AP) station
1175 	 * 1 = Multi-AP backhaul station
1176 	 */
1177 	int multi_ap_backhaul_sta;
1178 
1179 	/**
1180 	 * ft_eap_pmksa_caching - Whether FT-EAP PMKSA caching is allowed
1181 	 * 0 = do not try to use PMKSA caching with FT-EAP
1182 	 * 1 = try to use PMKSA caching with FT-EAP
1183 	 *
1184 	 * This controls whether to try to use PMKSA caching with FT-EAP for the
1185 	 * FT initial mobility domain association.
1186 	 */
1187 	int ft_eap_pmksa_caching;
1188 
1189 	/**
1190 	 * beacon_prot - Whether Beacon protection is enabled
1191 	 *
1192 	 * This depends on management frame protection (ieee80211w) being
1193 	 * enabled.
1194 	 */
1195 	int beacon_prot;
1196 
1197 	/**
1198 	 * transition_disable - Transition Disable indication
1199 	 * The AP can notify authenticated stations to disable transition mode
1200 	 * in their network profiles when the network has completed transition
1201 	 * steps, i.e., once sufficiently large number of APs in the ESS have
1202 	 * been updated to support the more secure alternative. When this
1203 	 * indication is used, the stations are expected to automatically
1204 	 * disable transition mode and less secure security options. This
1205 	 * includes use of WEP, TKIP (including use of TKIP as the group
1206 	 * cipher), and connections without PMF.
1207 	 * Bitmap bits:
1208 	 * bit 0 (0x01): WPA3-Personal (i.e., disable WPA2-Personal = WPA-PSK
1209 	 *	and only allow SAE to be used)
1210 	 * bit 1 (0x02): SAE-PK (disable SAE without use of SAE-PK)
1211 	 * bit 2 (0x04): WPA3-Enterprise (move to requiring PMF)
1212 	 * bit 3 (0x08): Enhanced Open (disable use of open network; require
1213 	 *	OWE)
1214 	 */
1215 	u8 transition_disable;
1216 
1217 	/**
1218 	 * sae_pk - SAE-PK mode
1219 	 * 0 = automatic SAE/SAE-PK selection based on password; enable
1220 	 * transition mode (allow SAE authentication without SAE-PK)
1221 	 * 1 = SAE-PK only (disable transition mode; allow SAE authentication
1222 	 * only with SAE-PK)
1223 	 * 2 = disable SAE-PK (allow SAE authentication only without SAE-PK)
1224 	 */
1225 	enum sae_pk_mode sae_pk;
1226 
1227 	/**
1228 	 * was_recently_reconfigured - Whether this SSID config has been changed
1229 	 * recently
1230 	 *
1231 	 * This is an internally used variable, i.e., not used in external
1232 	 * configuration.
1233 	 */
1234 	bool was_recently_reconfigured;
1235 
1236 	/**
1237 	 * sae_pwe - SAE mechanism for PWE derivation
1238 	 *
1239 	 * Internally, special value 4 (DEFAULT_SAE_PWE) is used to indicate
1240 	 * that the parameter is not set and the global sae_pwe value needs to
1241 	 * be considered.
1242 	 *
1243 	 * 0 = hunting-and-pecking loop only
1244 	 * 1 = hash-to-element only
1245 	 * 2 = both hunting-and-pecking loop and hash-to-element enabled
1246 	 */
1247 	enum sae_pwe sae_pwe;
1248 
1249 	/**
1250 	 * disable_eht - Disable EHT (IEEE 802.11be) for this network
1251 	 *
1252 	 * By default, use it if it is available, but this can be configured
1253 	 * to 1 to have it disabled.
1254 	 */
1255 	int disable_eht;
1256 
1257 	/**
1258 	 * enable_4addr_mode - Set 4addr mode after association
1259 	 * 0 = Do not attempt to set 4addr mode
1260 	 * 1 = Try to set 4addr mode after association
1261 	 *
1262 	 * Linux requires that an interface is set to 4addr mode before it can
1263 	 * be added to a bridge. Set this to 1 for networks where you intent
1264 	 * to use the interface in a bridge.
1265 	 */
1266 	int enable_4addr_mode;
1267 };
1268 
1269 #endif /* CONFIG_SSID_H */
1270