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      1 /*
      2  * WPA Supplicant / Network configuration structures
      3  * Copyright (c) 2003-2013, Jouni Malinen <j (at) 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 
     17 #define DEFAULT_EAP_WORKAROUND ((unsigned int) -1)
     18 #define DEFAULT_EAPOL_FLAGS (EAPOL_FLAG_REQUIRE_KEY_UNICAST | \
     19 			     EAPOL_FLAG_REQUIRE_KEY_BROADCAST)
     20 #define DEFAULT_PROTO (WPA_PROTO_WPA | WPA_PROTO_RSN)
     21 #define DEFAULT_KEY_MGMT (WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_IEEE8021X)
     22 #define DEFAULT_PAIRWISE (WPA_CIPHER_CCMP | WPA_CIPHER_TKIP)
     23 #define DEFAULT_GROUP (WPA_CIPHER_CCMP | WPA_CIPHER_TKIP)
     24 #define DEFAULT_FRAGMENT_SIZE 1398
     25 
     26 #define DEFAULT_BG_SCAN_PERIOD -1
     27 #define DEFAULT_MESH_MAX_RETRIES 2
     28 #define DEFAULT_MESH_RETRY_TIMEOUT 40
     29 #define DEFAULT_MESH_CONFIRM_TIMEOUT 40
     30 #define DEFAULT_MESH_HOLDING_TIMEOUT 40
     31 #define DEFAULT_DISABLE_HT 0
     32 #define DEFAULT_DISABLE_HT40 0
     33 #define DEFAULT_DISABLE_SGI 0
     34 #define DEFAULT_DISABLE_LDPC 0
     35 #define DEFAULT_DISABLE_MAX_AMSDU -1 /* no change */
     36 #define DEFAULT_AMPDU_FACTOR -1 /* no change */
     37 #define DEFAULT_AMPDU_DENSITY -1 /* no change */
     38 #define DEFAULT_USER_SELECTED_SIM 1
     39 
     40 struct psk_list_entry {
     41 	struct dl_list list;
     42 	u8 addr[ETH_ALEN];
     43 	u8 psk[32];
     44 	u8 p2p;
     45 };
     46 
     47 /**
     48  * struct wpa_ssid - Network configuration data
     49  *
     50  * This structure includes all the configuration variables for a network. This
     51  * data is included in the per-interface configuration data as an element of
     52  * the network list, struct wpa_config::ssid. Each network block in the
     53  * configuration is mapped to a struct wpa_ssid instance.
     54  */
     55 struct wpa_ssid {
     56 	/**
     57 	 * next - Next network in global list
     58 	 *
     59 	 * This pointer can be used to iterate over all networks. The head of
     60 	 * this list is stored in the ssid field of struct wpa_config.
     61 	 */
     62 	struct wpa_ssid *next;
     63 
     64 	/**
     65 	 * pnext - Next network in per-priority list
     66 	 *
     67 	 * This pointer can be used to iterate over all networks in the same
     68 	 * priority class. The heads of these list are stored in the pssid
     69 	 * fields of struct wpa_config.
     70 	 */
     71 	struct wpa_ssid *pnext;
     72 
     73 	/**
     74 	 * id - Unique id for the network
     75 	 *
     76 	 * This identifier is used as a unique identifier for each network
     77 	 * block when using the control interface. Each network is allocated an
     78 	 * id when it is being created, either when reading the configuration
     79 	 * file or when a new network is added through the control interface.
     80 	 */
     81 	int id;
     82 
     83 	/**
     84 	 * priority - Priority group
     85 	 *
     86 	 * By default, all networks will get same priority group (0). If some
     87 	 * of the networks are more desirable, this field can be used to change
     88 	 * the order in which wpa_supplicant goes through the networks when
     89 	 * selecting a BSS. The priority groups will be iterated in decreasing
     90 	 * priority (i.e., the larger the priority value, the sooner the
     91 	 * network is matched against the scan results). Within each priority
     92 	 * group, networks will be selected based on security policy, signal
     93 	 * strength, etc.
     94 	 *
     95 	 * Please note that AP scanning with scan_ssid=1 and ap_scan=2 mode are
     96 	 * not using this priority to select the order for scanning. Instead,
     97 	 * they try the networks in the order that used in the configuration
     98 	 * file.
     99 	 */
    100 	int priority;
    101 
    102 	/**
    103 	 * ssid - Service set identifier (network name)
    104 	 *
    105 	 * This is the SSID for the network. For wireless interfaces, this is
    106 	 * used to select which network will be used. If set to %NULL (or
    107 	 * ssid_len=0), any SSID can be used. For wired interfaces, this must
    108 	 * be set to %NULL. Note: SSID may contain any characters, even nul
    109 	 * (ASCII 0) and as such, this should not be assumed to be a nul
    110 	 * terminated string. ssid_len defines how many characters are valid
    111 	 * and the ssid field is not guaranteed to be nul terminated.
    112 	 */
    113 	u8 *ssid;
    114 
    115 	/**
    116 	 * ssid_len - Length of the SSID
    117 	 */
    118 	size_t ssid_len;
    119 
    120 	/**
    121 	 * bssid - BSSID
    122 	 *
    123 	 * If set, this network block is used only when associating with the AP
    124 	 * using the configured BSSID
    125 	 *
    126 	 * If this is a persistent P2P group (disabled == 2), this is the GO
    127 	 * Device Address.
    128 	 */
    129 	u8 bssid[ETH_ALEN];
    130 
    131 	/**
    132 	 * bssid_blacklist - List of inacceptable BSSIDs
    133 	 */
    134 	u8 *bssid_blacklist;
    135 	size_t num_bssid_blacklist;
    136 
    137 	/**
    138 	 * bssid_blacklist - List of acceptable BSSIDs
    139 	 */
    140 	u8 *bssid_whitelist;
    141 	size_t num_bssid_whitelist;
    142 
    143 	/**
    144 	 * bssid_set - Whether BSSID is configured for this network
    145 	 */
    146 	int bssid_set;
    147 
    148 	/**
    149 	 * go_p2p_dev_addr - GO's P2P Device Address or all zeros if not set
    150 	 */
    151 	u8 go_p2p_dev_addr[ETH_ALEN];
    152 
    153 	/**
    154 	 * psk - WPA pre-shared key (256 bits)
    155 	 */
    156 	u8 psk[32];
    157 
    158 	/**
    159 	 * psk_set - Whether PSK field is configured
    160 	 */
    161 	int psk_set;
    162 
    163 	/**
    164 	 * passphrase - WPA ASCII passphrase
    165 	 *
    166 	 * If this is set, psk will be generated using the SSID and passphrase
    167 	 * configured for the network. ASCII passphrase must be between 8 and
    168 	 * 63 characters (inclusive).
    169 	 */
    170 	char *passphrase;
    171 
    172 	/**
    173 	 * ext_psk - PSK/passphrase name in external storage
    174 	 *
    175 	 * If this is set, PSK/passphrase will be fetched from external storage
    176 	 * when requesting association with the network.
    177 	 */
    178 	char *ext_psk;
    179 
    180 	/**
    181 	 * mem_only_psk - Whether to keep PSK/passphrase only in memory
    182 	 *
    183 	 * 0 = allow psk/passphrase to be stored to the configuration file
    184 	 * 1 = do not store psk/passphrase to the configuration file
    185 	 */
    186 	int mem_only_psk;
    187 
    188 	/**
    189 	 * pairwise_cipher - Bitfield of allowed pairwise ciphers, WPA_CIPHER_*
    190 	 */
    191 	int pairwise_cipher;
    192 
    193 	/**
    194 	 * group_cipher - Bitfield of allowed group ciphers, WPA_CIPHER_*
    195 	 */
    196 	int group_cipher;
    197 
    198 	/**
    199 	 * key_mgmt - Bitfield of allowed key management protocols
    200 	 *
    201 	 * WPA_KEY_MGMT_*
    202 	 */
    203 	int key_mgmt;
    204 
    205 	/**
    206 	 * bg_scan_period - Background scan period in seconds, 0 to disable, or
    207 	 * -1 to indicate no change to default driver configuration
    208 	 */
    209 	int bg_scan_period;
    210 
    211 	/**
    212 	 * proto - Bitfield of allowed protocols, WPA_PROTO_*
    213 	 */
    214 	int proto;
    215 
    216 	/**
    217 	 * auth_alg -  Bitfield of allowed authentication algorithms
    218 	 *
    219 	 * WPA_AUTH_ALG_*
    220 	 */
    221 	int auth_alg;
    222 
    223 	/**
    224 	 * scan_ssid - Scan this SSID with Probe Requests
    225 	 *
    226 	 * scan_ssid can be used to scan for APs using hidden SSIDs.
    227 	 * Note: Many drivers do not support this. ap_mode=2 can be used with
    228 	 * such drivers to use hidden SSIDs. Note2: Most nl80211-based drivers
    229 	 * do support scan_ssid=1 and that should be used with them instead of
    230 	 * ap_scan=2.
    231 	 */
    232 	int scan_ssid;
    233 
    234 #ifdef IEEE8021X_EAPOL
    235 #define EAPOL_FLAG_REQUIRE_KEY_UNICAST BIT(0)
    236 #define EAPOL_FLAG_REQUIRE_KEY_BROADCAST BIT(1)
    237 	/**
    238 	 * eapol_flags - Bit field of IEEE 802.1X/EAPOL options (EAPOL_FLAG_*)
    239 	 */
    240 	int eapol_flags;
    241 
    242 	/**
    243 	 * eap - EAP peer configuration for this network
    244 	 */
    245 	struct eap_peer_config eap;
    246 #endif /* IEEE8021X_EAPOL */
    247 
    248 #define NUM_WEP_KEYS 4
    249 #define MAX_WEP_KEY_LEN 16
    250 	/**
    251 	 * wep_key - WEP keys
    252 	 */
    253 	u8 wep_key[NUM_WEP_KEYS][MAX_WEP_KEY_LEN];
    254 
    255 	/**
    256 	 * wep_key_len - WEP key lengths
    257 	 */
    258 	size_t wep_key_len[NUM_WEP_KEYS];
    259 
    260 	/**
    261 	 * wep_tx_keyidx - Default key index for TX frames using WEP
    262 	 */
    263 	int wep_tx_keyidx;
    264 
    265 	/**
    266 	 * proactive_key_caching - Enable proactive key caching
    267 	 *
    268 	 * This field can be used to enable proactive key caching which is also
    269 	 * known as opportunistic PMKSA caching for WPA2. This is disabled (0)
    270 	 * by default unless default value is changed with the global okc=1
    271 	 * parameter. Enable by setting this to 1.
    272 	 *
    273 	 * Proactive key caching is used to make supplicant assume that the APs
    274 	 * are using the same PMK and generate PMKSA cache entries without
    275 	 * doing RSN pre-authentication. This requires support from the AP side
    276 	 * and is normally used with wireless switches that co-locate the
    277 	 * authenticator.
    278 	 *
    279 	 * Internally, special value -1 is used to indicate that the parameter
    280 	 * was not specified in the configuration (i.e., default behavior is
    281 	 * followed).
    282 	 */
    283 	int proactive_key_caching;
    284 
    285 	/**
    286 	 * mixed_cell - Whether mixed cells are allowed
    287 	 *
    288 	 * This option can be used to configure whether so called mixed cells,
    289 	 * i.e., networks that use both plaintext and encryption in the same
    290 	 * SSID, are allowed. This is disabled (0) by default. Enable by
    291 	 * setting this to 1.
    292 	 */
    293 	int mixed_cell;
    294 
    295 #ifdef IEEE8021X_EAPOL
    296 
    297 	/**
    298 	 * leap - Number of EAP methods using LEAP
    299 	 *
    300 	 * This field should be set to 1 if LEAP is enabled. This is used to
    301 	 * select IEEE 802.11 authentication algorithm.
    302 	 */
    303 	int leap;
    304 
    305 	/**
    306 	 * non_leap - Number of EAP methods not using LEAP
    307 	 *
    308 	 * This field should be set to >0 if any EAP method other than LEAP is
    309 	 * enabled. This is used to select IEEE 802.11 authentication
    310 	 * algorithm.
    311 	 */
    312 	int non_leap;
    313 
    314 	/**
    315 	 * eap_workaround - EAP workarounds enabled
    316 	 *
    317 	 * wpa_supplicant supports number of "EAP workarounds" to work around
    318 	 * interoperability issues with incorrectly behaving authentication
    319 	 * servers. This is recommended to be enabled by default because some
    320 	 * of the issues are present in large number of authentication servers.
    321 	 *
    322 	 * Strict EAP conformance mode can be configured by disabling
    323 	 * workarounds with eap_workaround = 0.
    324 	 */
    325 	unsigned int eap_workaround;
    326 
    327 #endif /* IEEE8021X_EAPOL */
    328 
    329 	/**
    330 	 * mode - IEEE 802.11 operation mode (Infrastucture/IBSS)
    331 	 *
    332 	 * 0 = infrastructure (Managed) mode, i.e., associate with an AP.
    333 	 *
    334 	 * 1 = IBSS (ad-hoc, peer-to-peer)
    335 	 *
    336 	 * 2 = AP (access point)
    337 	 *
    338 	 * 3 = P2P Group Owner (can be set in the configuration file)
    339 	 *
    340 	 * 4 = P2P Group Formation (used internally; not in configuration
    341 	 * files)
    342 	 *
    343 	 * 5 = Mesh
    344 	 *
    345 	 * Note: IBSS can only be used with key_mgmt NONE (plaintext and static
    346 	 * WEP) and WPA-PSK (with proto=RSN). In addition, key_mgmt=WPA-NONE
    347 	 * (fixed group key TKIP/CCMP) is available for backwards compatibility,
    348 	 * but its use is deprecated. WPA-None requires following network block
    349 	 * options: proto=WPA, key_mgmt=WPA-NONE, pairwise=NONE, group=TKIP (or
    350 	 * CCMP, but not both), and psk must also be set (either directly or
    351 	 * using ASCII passphrase).
    352 	 */
    353 	enum wpas_mode {
    354 		WPAS_MODE_INFRA = 0,
    355 		WPAS_MODE_IBSS = 1,
    356 		WPAS_MODE_AP = 2,
    357 		WPAS_MODE_P2P_GO = 3,
    358 		WPAS_MODE_P2P_GROUP_FORMATION = 4,
    359 		WPAS_MODE_MESH = 5,
    360 	} mode;
    361 
    362 	/**
    363 	 * pbss - Whether to use PBSS. Relevant to DMG networks only.
    364 	 * Used together with mode configuration. When mode is AP, it
    365 	 * means to start a PCP instead of a regular AP. When mode is INFRA it
    366 	 * means connect to a PCP instead of AP. P2P_GO and P2P_GROUP_FORMATION
    367 	 * modes must use PBSS in DMG network.
    368 	 */
    369 	int pbss;
    370 
    371 	/**
    372 	 * disabled - Whether this network is currently disabled
    373 	 *
    374 	 * 0 = this network can be used (default).
    375 	 * 1 = this network block is disabled (can be enabled through
    376 	 * ctrl_iface, e.g., with wpa_cli or wpa_gui).
    377 	 * 2 = this network block includes parameters for a persistent P2P
    378 	 * group (can be used with P2P ctrl_iface commands)
    379 	 */
    380 	int disabled;
    381 
    382 	/**
    383 	 * disabled_for_connect - Whether this network was temporarily disabled
    384 	 *
    385 	 * This flag is used to reenable all the temporarily disabled networks
    386 	 * after either the success or failure of a WPS connection.
    387 	 */
    388 	int disabled_for_connect;
    389 
    390 	/**
    391 	 * peerkey -  Whether PeerKey handshake for direct links is allowed
    392 	 *
    393 	 * This is only used when both RSN/WPA2 and IEEE 802.11e (QoS) are
    394 	 * enabled.
    395 	 *
    396 	 * 0 = disabled (default)
    397 	 * 1 = enabled
    398 	 */
    399 	int peerkey;
    400 
    401 	/**
    402 	 * id_str - Network identifier string for external scripts
    403 	 *
    404 	 * This value is passed to external ctrl_iface monitors in
    405 	 * WPA_EVENT_CONNECTED event and wpa_cli sets this as WPA_ID_STR
    406 	 * environment variable for action scripts.
    407 	 */
    408 	char *id_str;
    409 
    410 #ifdef CONFIG_IEEE80211W
    411 	/**
    412 	 * ieee80211w - Whether management frame protection is enabled
    413 	 *
    414 	 * This value is used to configure policy for management frame
    415 	 * protection (IEEE 802.11w). 0 = disabled, 1 = optional, 2 = required.
    416 	 * This is disabled by default unless the default value has been changed
    417 	 * with the global pmf=1/2 parameter.
    418 	 *
    419 	 * Internally, special value 3 is used to indicate that the parameter
    420 	 * was not specified in the configuration (i.e., default behavior is
    421 	 * followed).
    422 	 */
    423 	enum mfp_options ieee80211w;
    424 #endif /* CONFIG_IEEE80211W */
    425 
    426 	/**
    427 	 * frequency - Channel frequency in megahertz (MHz) for IBSS
    428 	 *
    429 	 * This value is used to configure the initial channel for IBSS (adhoc)
    430 	 * networks, e.g., 2412 = IEEE 802.11b/g channel 1. It is ignored in
    431 	 * the infrastructure mode. In addition, this value is only used by the
    432 	 * station that creates the IBSS. If an IBSS network with the
    433 	 * configured SSID is already present, the frequency of the network
    434 	 * will be used instead of this configured value.
    435 	 */
    436 	int frequency;
    437 
    438 	/**
    439 	 * fixed_freq - Use fixed frequency for IBSS
    440 	 */
    441 	int fixed_freq;
    442 
    443 #ifdef CONFIG_ACS
    444 	/**
    445 	 * ACS - Automatic Channel Selection for AP mode
    446 	 *
    447 	 * If present, it will be handled together with frequency.
    448 	 * frequency will be used to determine hardware mode only, when it is
    449 	 * used for both hardware mode and channel when used alone. This will
    450 	 * force the channel to be set to 0, thus enabling ACS.
    451 	 */
    452 	int acs;
    453 #endif /* CONFIG_ACS */
    454 
    455 	/**
    456 	 * mesh_basic_rates - BSS Basic rate set for mesh network
    457 	 *
    458 	 */
    459 	int *mesh_basic_rates;
    460 
    461 	/**
    462 	 * Mesh network plink parameters
    463 	 */
    464 	int dot11MeshMaxRetries;
    465 	int dot11MeshRetryTimeout; /* msec */
    466 	int dot11MeshConfirmTimeout; /* msec */
    467 	int dot11MeshHoldingTimeout; /* msec */
    468 
    469 	int ht40;
    470 
    471 	int vht;
    472 
    473 	u8 max_oper_chwidth;
    474 
    475 	unsigned int vht_center_freq2;
    476 
    477 	/**
    478 	 * wpa_ptk_rekey - Maximum lifetime for PTK in seconds
    479 	 *
    480 	 * This value can be used to enforce rekeying of PTK to mitigate some
    481 	 * attacks against TKIP deficiencies.
    482 	 */
    483 	int wpa_ptk_rekey;
    484 
    485 	/**
    486 	 * scan_freq - Array of frequencies to scan or %NULL for all
    487 	 *
    488 	 * This is an optional zero-terminated array of frequencies in
    489 	 * megahertz (MHz) to include in scan requests when searching for this
    490 	 * network. This can be used to speed up scanning when the network is
    491 	 * known to not use all possible channels.
    492 	 */
    493 	int *scan_freq;
    494 
    495 	/**
    496 	 * bgscan - Background scan and roaming parameters or %NULL if none
    497 	 *
    498 	 * This is an optional set of parameters for background scanning and
    499 	 * roaming within a network (ESS) in following format:
    500 	 * <bgscan module name>:<module parameters>
    501 	 */
    502 	char *bgscan;
    503 
    504 	/**
    505 	 * ignore_broadcast_ssid - Hide SSID in AP mode
    506 	 *
    507 	 * Send empty SSID in beacons and ignore probe request frames that do
    508 	 * not specify full SSID, i.e., require stations to know SSID.
    509 	 * default: disabled (0)
    510 	 * 1 = send empty (length=0) SSID in beacon and ignore probe request
    511 	 * for broadcast SSID
    512 	 * 2 = clear SSID (ASCII 0), but keep the original length (this may be
    513 	 * required with some clients that do not support empty SSID) and
    514 	 * ignore probe requests for broadcast SSID
    515 	 */
    516 	int ignore_broadcast_ssid;
    517 
    518 	/**
    519 	 * freq_list - Array of allowed frequencies or %NULL for all
    520 	 *
    521 	 * This is an optional zero-terminated array of frequencies in
    522 	 * megahertz (MHz) to allow for selecting the BSS. If set, scan results
    523 	 * that do not match any of the specified frequencies are not
    524 	 * considered when selecting a BSS.
    525 	 */
    526 	int *freq_list;
    527 
    528 	/**
    529 	 * p2p_client_list - List of P2P Clients in a persistent group (GO)
    530 	 *
    531 	 * This is a list of P2P Clients (P2P Device Address) that have joined
    532 	 * the persistent group. This is maintained on the GO for persistent
    533 	 * group entries (disabled == 2).
    534 	 */
    535 	u8 *p2p_client_list;
    536 
    537 	/**
    538 	 * num_p2p_clients - Number of entries in p2p_client_list
    539 	 */
    540 	size_t num_p2p_clients;
    541 
    542 #ifndef P2P_MAX_STORED_CLIENTS
    543 #define P2P_MAX_STORED_CLIENTS 100
    544 #endif /* P2P_MAX_STORED_CLIENTS */
    545 
    546 	/**
    547 	 * psk_list - Per-client PSKs (struct psk_list_entry)
    548 	 */
    549 	struct dl_list psk_list;
    550 
    551 	/**
    552 	 * p2p_group - Network generated as a P2P group (used internally)
    553 	 */
    554 	int p2p_group;
    555 
    556 	/**
    557 	 * p2p_persistent_group - Whether this is a persistent group
    558 	 */
    559 	int p2p_persistent_group;
    560 
    561 	/**
    562 	 * temporary - Whether this network is temporary and not to be saved
    563 	 */
    564 	int temporary;
    565 
    566 	/**
    567 	 * export_keys - Whether keys may be exported
    568 	 *
    569 	 * This attribute will be set when keys are determined through
    570 	 * WPS or similar so that they may be exported.
    571 	 */
    572 	int export_keys;
    573 
    574 #ifdef CONFIG_HT_OVERRIDES
    575 	/**
    576 	 * disable_ht - Disable HT (IEEE 802.11n) for this network
    577 	 *
    578 	 * By default, use it if it is available, but this can be configured
    579 	 * to 1 to have it disabled.
    580 	 */
    581 	int disable_ht;
    582 
    583 	/**
    584 	 * disable_ht40 - Disable HT40 for this network
    585 	 *
    586 	 * By default, use it if it is available, but this can be configured
    587 	 * to 1 to have it disabled.
    588 	 */
    589 	int disable_ht40;
    590 
    591 	/**
    592 	 * disable_sgi - Disable SGI (Short Guard Interval) for this network
    593 	 *
    594 	 * By default, use it if it is available, but this can be configured
    595 	 * to 1 to have it disabled.
    596 	 */
    597 	int disable_sgi;
    598 
    599 	/**
    600 	 * disable_ldpc - Disable LDPC for this network
    601 	 *
    602 	 * By default, use it if it is available, but this can be configured
    603 	 * to 1 to have it disabled.
    604 	 */
    605 	int disable_ldpc;
    606 
    607 	/**
    608 	 * ht40_intolerant - Indicate 40 MHz intolerant for this network
    609 	 */
    610 	int ht40_intolerant;
    611 
    612 	/**
    613 	 * disable_max_amsdu - Disable MAX A-MSDU
    614 	 *
    615 	 * A-MDSU will be 3839 bytes when disabled, or 7935
    616 	 * when enabled (assuming it is otherwise supported)
    617 	 * -1 (default) means do not apply any settings to the kernel.
    618 	 */
    619 	int disable_max_amsdu;
    620 
    621 	/**
    622 	 * ampdu_factor - Maximum A-MPDU Length Exponent
    623 	 *
    624 	 * Value: 0-3, see 7.3.2.56.3 in IEEE Std 802.11n-2009.
    625 	 */
    626 	int ampdu_factor;
    627 
    628 	/**
    629 	 * ampdu_density - Minimum A-MPDU Start Spacing
    630 	 *
    631 	 * Value: 0-7, see 7.3.2.56.3 in IEEE Std 802.11n-2009.
    632 	 */
    633 	int ampdu_density;
    634 
    635 	/**
    636 	 * ht_mcs - Allowed HT-MCS rates, in ASCII hex: ffff0000...
    637 	 *
    638 	 * By default (empty string): Use whatever the OS has configured.
    639 	 */
    640 	char *ht_mcs;
    641 #endif /* CONFIG_HT_OVERRIDES */
    642 
    643 #ifdef CONFIG_VHT_OVERRIDES
    644 	/**
    645 	 * disable_vht - Disable VHT (IEEE 802.11ac) for this network
    646 	 *
    647 	 * By default, use it if it is available, but this can be configured
    648 	 * to 1 to have it disabled.
    649 	 */
    650 	int disable_vht;
    651 
    652 	/**
    653 	 * vht_capa - VHT capabilities to use
    654 	 */
    655 	unsigned int vht_capa;
    656 
    657 	/**
    658 	 * vht_capa_mask - mask for VHT capabilities
    659 	 */
    660 	unsigned int vht_capa_mask;
    661 
    662 	int vht_rx_mcs_nss_1, vht_rx_mcs_nss_2,
    663 	    vht_rx_mcs_nss_3, vht_rx_mcs_nss_4,
    664 	    vht_rx_mcs_nss_5, vht_rx_mcs_nss_6,
    665 	    vht_rx_mcs_nss_7, vht_rx_mcs_nss_8;
    666 	int vht_tx_mcs_nss_1, vht_tx_mcs_nss_2,
    667 	    vht_tx_mcs_nss_3, vht_tx_mcs_nss_4,
    668 	    vht_tx_mcs_nss_5, vht_tx_mcs_nss_6,
    669 	    vht_tx_mcs_nss_7, vht_tx_mcs_nss_8;
    670 #endif /* CONFIG_VHT_OVERRIDES */
    671 
    672 	/**
    673 	 * ap_max_inactivity - Timeout in seconds to detect STA's inactivity
    674 	 *
    675 	 * This timeout value is used in AP mode to clean up inactive stations.
    676 	 * By default: 300 seconds.
    677 	 */
    678 	int ap_max_inactivity;
    679 
    680 	/**
    681 	 * dtim_period - DTIM period in Beacon intervals
    682 	 * By default: 2
    683 	 */
    684 	int dtim_period;
    685 
    686 	/**
    687 	 * beacon_int - Beacon interval (default: 100 TU)
    688 	 */
    689 	int beacon_int;
    690 
    691 	/**
    692 	 * auth_failures - Number of consecutive authentication failures
    693 	 */
    694 	unsigned int auth_failures;
    695 
    696 	/**
    697 	 * disabled_until - Network block disabled until this time if non-zero
    698 	 */
    699 	struct os_reltime disabled_until;
    700 
    701 	/**
    702 	 * parent_cred - Pointer to parent wpa_cred entry
    703 	 *
    704 	 * This pointer can be used to delete temporary networks when a wpa_cred
    705 	 * that was used to create them is removed. This pointer should not be
    706 	 * dereferences since it may not be updated in all cases.
    707 	 */
    708 	void *parent_cred;
    709 
    710 #ifdef CONFIG_MACSEC
    711 	/**
    712 	 * macsec_policy - Determines the policy for MACsec secure session
    713 	 *
    714 	 * 0: MACsec not in use (default)
    715 	 * 1: MACsec enabled - Should secure, accept key server's advice to
    716 	 *    determine whether to use a secure session or not.
    717 	 */
    718 	int macsec_policy;
    719 #endif /* CONFIG_MACSEC */
    720 
    721 #ifdef CONFIG_HS20
    722 	int update_identifier;
    723 #endif /* CONFIG_HS20 */
    724 
    725 	unsigned int wps_run;
    726 
    727 	/**
    728 	 * mac_addr - MAC address policy
    729 	 *
    730 	 * 0 = use permanent MAC address
    731 	 * 1 = use random MAC address for each ESS connection
    732 	 * 2 = like 1, but maintain OUI (with local admin bit set)
    733 	 *
    734 	 * Internally, special value -1 is used to indicate that the parameter
    735 	 * was not specified in the configuration (i.e., default behavior is
    736 	 * followed).
    737 	 */
    738 	int mac_addr;
    739 
    740 	/**
    741 	 * no_auto_peer - Do not automatically peer with compatible mesh peers
    742 	 *
    743 	 * When unset, the reception of a beacon from a another mesh peer in
    744 	 * this MBSS will trigger a peering attempt.
    745 	 */
    746 	int no_auto_peer;
    747 };
    748 
    749 #endif /* CONFIG_SSID_H */
    750