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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 #define MAX_SSID_LEN 32
     17 
     18 
     19 #define DEFAULT_EAP_WORKAROUND ((unsigned int) -1)
     20 #define DEFAULT_EAPOL_FLAGS (EAPOL_FLAG_REQUIRE_KEY_UNICAST | \
     21 			     EAPOL_FLAG_REQUIRE_KEY_BROADCAST)
     22 #define DEFAULT_PROTO (WPA_PROTO_WPA | WPA_PROTO_RSN)
     23 #define DEFAULT_KEY_MGMT (WPA_KEY_MGMT_PSK | WPA_KEY_MGMT_IEEE8021X)
     24 #define DEFAULT_PAIRWISE (WPA_CIPHER_CCMP | WPA_CIPHER_TKIP)
     25 #define DEFAULT_GROUP (WPA_CIPHER_CCMP | WPA_CIPHER_TKIP | \
     26 		       WPA_CIPHER_WEP104 | WPA_CIPHER_WEP40)
     27 #define DEFAULT_FRAGMENT_SIZE 1398
     28 
     29 #define DEFAULT_BG_SCAN_PERIOD -1
     30 #define DEFAULT_DISABLE_HT 0
     31 #define DEFAULT_DISABLE_HT40 0
     32 #define DEFAULT_DISABLE_SGI 0
     33 #define DEFAULT_DISABLE_LDPC 0
     34 #define DEFAULT_DISABLE_MAX_AMSDU -1 /* no change */
     35 #define DEFAULT_AMPDU_FACTOR -1 /* no change */
     36 #define DEFAULT_AMPDU_DENSITY -1 /* no change */
     37 #define DEFAULT_USER_SELECTED_SIM 1
     38 
     39 struct psk_list_entry {
     40 	struct dl_list list;
     41 	u8 addr[ETH_ALEN];
     42 	u8 psk[32];
     43 	u8 p2p;
     44 };
     45 
     46 /**
     47  * struct wpa_ssid - Network configuration data
     48  *
     49  * This structure includes all the configuration variables for a network. This
     50  * data is included in the per-interface configuration data as an element of
     51  * the network list, struct wpa_config::ssid. Each network block in the
     52  * configuration is mapped to a struct wpa_ssid instance.
     53  */
     54 struct wpa_ssid {
     55 	/**
     56 	 * next - Next network in global list
     57 	 *
     58 	 * This pointer can be used to iterate over all networks. The head of
     59 	 * this list is stored in the ssid field of struct wpa_config.
     60 	 */
     61 	struct wpa_ssid *next;
     62 
     63 	/**
     64 	 * pnext - Next network in per-priority list
     65 	 *
     66 	 * This pointer can be used to iterate over all networks in the same
     67 	 * priority class. The heads of these list are stored in the pssid
     68 	 * fields of struct wpa_config.
     69 	 */
     70 	struct wpa_ssid *pnext;
     71 
     72 	/**
     73 	 * id - Unique id for the network
     74 	 *
     75 	 * This identifier is used as a unique identifier for each network
     76 	 * block when using the control interface. Each network is allocated an
     77 	 * id when it is being created, either when reading the configuration
     78 	 * file or when a new network is added through the control interface.
     79 	 */
     80 	int id;
     81 
     82 	/**
     83 	 * priority - Priority group
     84 	 *
     85 	 * By default, all networks will get same priority group (0). If some
     86 	 * of the networks are more desirable, this field can be used to change
     87 	 * the order in which wpa_supplicant goes through the networks when
     88 	 * selecting a BSS. The priority groups will be iterated in decreasing
     89 	 * priority (i.e., the larger the priority value, the sooner the
     90 	 * network is matched against the scan results). Within each priority
     91 	 * group, networks will be selected based on security policy, signal
     92 	 * strength, etc.
     93 	 *
     94 	 * Please note that AP scanning with scan_ssid=1 and ap_scan=2 mode are
     95 	 * not using this priority to select the order for scanning. Instead,
     96 	 * they try the networks in the order that used in the configuration
     97 	 * file.
     98 	 */
     99 	int priority;
    100 
    101 	/**
    102 	 * ssid - Service set identifier (network name)
    103 	 *
    104 	 * This is the SSID for the network. For wireless interfaces, this is
    105 	 * used to select which network will be used. If set to %NULL (or
    106 	 * ssid_len=0), any SSID can be used. For wired interfaces, this must
    107 	 * be set to %NULL. Note: SSID may contain any characters, even nul
    108 	 * (ASCII 0) and as such, this should not be assumed to be a nul
    109 	 * terminated string. ssid_len defines how many characters are valid
    110 	 * and the ssid field is not guaranteed to be nul terminated.
    111 	 */
    112 	u8 *ssid;
    113 
    114 	/**
    115 	 * ssid_len - Length of the SSID
    116 	 */
    117 	size_t ssid_len;
    118 
    119 	/**
    120 	 * bssid - BSSID
    121 	 *
    122 	 * If set, this network block is used only when associating with the AP
    123 	 * using the configured BSSID
    124 	 *
    125 	 * If this is a persistent P2P group (disabled == 2), this is the GO
    126 	 * Device Address.
    127 	 */
    128 	u8 bssid[ETH_ALEN];
    129 
    130 	/**
    131 	 * bssid_set - Whether BSSID is configured for this network
    132 	 */
    133 	int bssid_set;
    134 
    135 	/**
    136 	 * go_p2p_dev_addr - GO's P2P Device Address or all zeros if not set
    137 	 */
    138 	u8 go_p2p_dev_addr[ETH_ALEN];
    139 
    140 	/**
    141 	 * psk - WPA pre-shared key (256 bits)
    142 	 */
    143 	u8 psk[32];
    144 
    145 	/**
    146 	 * psk_set - Whether PSK field is configured
    147 	 */
    148 	int psk_set;
    149 
    150 	/**
    151 	 * passphrase - WPA ASCII passphrase
    152 	 *
    153 	 * If this is set, psk will be generated using the SSID and passphrase
    154 	 * configured for the network. ASCII passphrase must be between 8 and
    155 	 * 63 characters (inclusive).
    156 	 */
    157 	char *passphrase;
    158 
    159 	/**
    160 	 * ext_psk - PSK/passphrase name in external storage
    161 	 *
    162 	 * If this is set, PSK/passphrase will be fetched from external storage
    163 	 * when requesting association with the network.
    164 	 */
    165 	char *ext_psk;
    166 
    167 	/**
    168 	 * pairwise_cipher - Bitfield of allowed pairwise ciphers, WPA_CIPHER_*
    169 	 */
    170 	int pairwise_cipher;
    171 
    172 	/**
    173 	 * group_cipher - Bitfield of allowed group ciphers, WPA_CIPHER_*
    174 	 */
    175 	int group_cipher;
    176 
    177 	/**
    178 	 * key_mgmt - Bitfield of allowed key management protocols
    179 	 *
    180 	 * WPA_KEY_MGMT_*
    181 	 */
    182 	int key_mgmt;
    183 
    184 	/**
    185 	 * bg_scan_period - Background scan period in seconds, 0 to disable, or
    186 	 * -1 to indicate no change to default driver configuration
    187 	 */
    188 	int bg_scan_period;
    189 
    190 	/**
    191 	 * proto - Bitfield of allowed protocols, WPA_PROTO_*
    192 	 */
    193 	int proto;
    194 
    195 	/**
    196 	 * auth_alg -  Bitfield of allowed authentication algorithms
    197 	 *
    198 	 * WPA_AUTH_ALG_*
    199 	 */
    200 	int auth_alg;
    201 
    202 	/**
    203 	 * scan_ssid - Scan this SSID with Probe Requests
    204 	 *
    205 	 * scan_ssid can be used to scan for APs using hidden SSIDs.
    206 	 * Note: Many drivers do not support this. ap_mode=2 can be used with
    207 	 * such drivers to use hidden SSIDs.
    208 	 */
    209 	int scan_ssid;
    210 
    211 #ifdef IEEE8021X_EAPOL
    212 #define EAPOL_FLAG_REQUIRE_KEY_UNICAST BIT(0)
    213 #define EAPOL_FLAG_REQUIRE_KEY_BROADCAST BIT(1)
    214 	/**
    215 	 * eapol_flags - Bit field of IEEE 802.1X/EAPOL options (EAPOL_FLAG_*)
    216 	 */
    217 	int eapol_flags;
    218 
    219 	/**
    220 	 * eap - EAP peer configuration for this network
    221 	 */
    222 	struct eap_peer_config eap;
    223 #endif /* IEEE8021X_EAPOL */
    224 
    225 #define NUM_WEP_KEYS 4
    226 #define MAX_WEP_KEY_LEN 16
    227 	/**
    228 	 * wep_key - WEP keys
    229 	 */
    230 	u8 wep_key[NUM_WEP_KEYS][MAX_WEP_KEY_LEN];
    231 
    232 	/**
    233 	 * wep_key_len - WEP key lengths
    234 	 */
    235 	size_t wep_key_len[NUM_WEP_KEYS];
    236 
    237 	/**
    238 	 * wep_tx_keyidx - Default key index for TX frames using WEP
    239 	 */
    240 	int wep_tx_keyidx;
    241 
    242 	/**
    243 	 * proactive_key_caching - Enable proactive key caching
    244 	 *
    245 	 * This field can be used to enable proactive key caching which is also
    246 	 * known as opportunistic PMKSA caching for WPA2. This is disabled (0)
    247 	 * by default unless default value is changed with the global okc=1
    248 	 * parameter. Enable by setting this to 1.
    249 	 *
    250 	 * Proactive key caching is used to make supplicant assume that the APs
    251 	 * are using the same PMK and generate PMKSA cache entries without
    252 	 * doing RSN pre-authentication. This requires support from the AP side
    253 	 * and is normally used with wireless switches that co-locate the
    254 	 * authenticator.
    255 	 *
    256 	 * Internally, special value -1 is used to indicate that the parameter
    257 	 * was not specified in the configuration (i.e., default behavior is
    258 	 * followed).
    259 	 */
    260 	int proactive_key_caching;
    261 
    262 	/**
    263 	 * mixed_cell - Whether mixed cells are allowed
    264 	 *
    265 	 * This option can be used to configure whether so called mixed cells,
    266 	 * i.e., networks that use both plaintext and encryption in the same
    267 	 * SSID, are allowed. This is disabled (0) by default. Enable by
    268 	 * setting this to 1.
    269 	 */
    270 	int mixed_cell;
    271 
    272 #ifdef IEEE8021X_EAPOL
    273 
    274 	/**
    275 	 * leap - Number of EAP methods using LEAP
    276 	 *
    277 	 * This field should be set to 1 if LEAP is enabled. This is used to
    278 	 * select IEEE 802.11 authentication algorithm.
    279 	 */
    280 	int leap;
    281 
    282 	/**
    283 	 * non_leap - Number of EAP methods not using LEAP
    284 	 *
    285 	 * This field should be set to >0 if any EAP method other than LEAP is
    286 	 * enabled. This is used to select IEEE 802.11 authentication
    287 	 * algorithm.
    288 	 */
    289 	int non_leap;
    290 
    291 	/**
    292 	 * eap_workaround - EAP workarounds enabled
    293 	 *
    294 	 * wpa_supplicant supports number of "EAP workarounds" to work around
    295 	 * interoperability issues with incorrectly behaving authentication
    296 	 * servers. This is recommended to be enabled by default because some
    297 	 * of the issues are present in large number of authentication servers.
    298 	 *
    299 	 * Strict EAP conformance mode can be configured by disabling
    300 	 * workarounds with eap_workaround = 0.
    301 	 */
    302 	unsigned int eap_workaround;
    303 
    304 #endif /* IEEE8021X_EAPOL */
    305 
    306 	/**
    307 	 * mode - IEEE 802.11 operation mode (Infrastucture/IBSS)
    308 	 *
    309 	 * 0 = infrastructure (Managed) mode, i.e., associate with an AP.
    310 	 *
    311 	 * 1 = IBSS (ad-hoc, peer-to-peer)
    312 	 *
    313 	 * 2 = AP (access point)
    314 	 *
    315 	 * 3 = P2P Group Owner (can be set in the configuration file)
    316 	 *
    317 	 * 4 = P2P Group Formation (used internally; not in configuration
    318 	 * files)
    319 	 *
    320 	 * Note: IBSS can only be used with key_mgmt NONE (plaintext and static
    321 	 * WEP) and WPA-PSK (with proto=RSN). In addition, key_mgmt=WPA-NONE
    322 	 * (fixed group key TKIP/CCMP) is available for backwards compatibility,
    323 	 * but its use is deprecated. WPA-None requires following network block
    324 	 * options: proto=WPA, key_mgmt=WPA-NONE, pairwise=NONE, group=TKIP (or
    325 	 * CCMP, but not both), and psk must also be set (either directly or
    326 	 * using ASCII passphrase).
    327 	 */
    328 	enum wpas_mode {
    329 		WPAS_MODE_INFRA = 0,
    330 		WPAS_MODE_IBSS = 1,
    331 		WPAS_MODE_AP = 2,
    332 		WPAS_MODE_P2P_GO = 3,
    333 		WPAS_MODE_P2P_GROUP_FORMATION = 4,
    334 	} mode;
    335 
    336 	/**
    337 	 * disabled - Whether this network is currently disabled
    338 	 *
    339 	 * 0 = this network can be used (default).
    340 	 * 1 = this network block is disabled (can be enabled through
    341 	 * ctrl_iface, e.g., with wpa_cli or wpa_gui).
    342 	 * 2 = this network block includes parameters for a persistent P2P
    343 	 * group (can be used with P2P ctrl_iface commands)
    344 	 */
    345 	int disabled;
    346 
    347 	/**
    348 	 * disabled_for_connect - Whether this network was temporarily disabled
    349 	 *
    350 	 * This flag is used to reenable all the temporarily disabled networks
    351 	 * after either the success or failure of a WPS connection.
    352 	 */
    353 	int disabled_for_connect;
    354 
    355 	/**
    356 	 * peerkey -  Whether PeerKey handshake for direct links is allowed
    357 	 *
    358 	 * This is only used when both RSN/WPA2 and IEEE 802.11e (QoS) are
    359 	 * enabled.
    360 	 *
    361 	 * 0 = disabled (default)
    362 	 * 1 = enabled
    363 	 */
    364 	int peerkey;
    365 
    366 	/**
    367 	 * id_str - Network identifier string for external scripts
    368 	 *
    369 	 * This value is passed to external ctrl_iface monitors in
    370 	 * WPA_EVENT_CONNECTED event and wpa_cli sets this as WPA_ID_STR
    371 	 * environment variable for action scripts.
    372 	 */
    373 	char *id_str;
    374 
    375 #ifdef CONFIG_IEEE80211W
    376 	/**
    377 	 * ieee80211w - Whether management frame protection is enabled
    378 	 *
    379 	 * This value is used to configure policy for management frame
    380 	 * protection (IEEE 802.11w). 0 = disabled, 1 = optional, 2 = required.
    381 	 * This is disabled by default unless the default value has been changed
    382 	 * with the global pmf=1/2 parameter.
    383 	 *
    384 	 * Internally, special value 3 is used to indicate that the parameter
    385 	 * was not specified in the configuration (i.e., default behavior is
    386 	 * followed).
    387 	 */
    388 	enum mfp_options ieee80211w;
    389 #endif /* CONFIG_IEEE80211W */
    390 
    391 	/**
    392 	 * frequency - Channel frequency in megahertz (MHz) for IBSS
    393 	 *
    394 	 * This value is used to configure the initial channel for IBSS (adhoc)
    395 	 * networks, e.g., 2412 = IEEE 802.11b/g channel 1. It is ignored in
    396 	 * the infrastructure mode. In addition, this value is only used by the
    397 	 * station that creates the IBSS. If an IBSS network with the
    398 	 * configured SSID is already present, the frequency of the network
    399 	 * will be used instead of this configured value.
    400 	 */
    401 	int frequency;
    402 
    403 	int ht40;
    404 
    405 	int vht;
    406 
    407 	/**
    408 	 * wpa_ptk_rekey - Maximum lifetime for PTK in seconds
    409 	 *
    410 	 * This value can be used to enforce rekeying of PTK to mitigate some
    411 	 * attacks against TKIP deficiencies.
    412 	 */
    413 	int wpa_ptk_rekey;
    414 
    415 	/**
    416 	 * scan_freq - Array of frequencies to scan or %NULL for all
    417 	 *
    418 	 * This is an optional zero-terminated array of frequencies in
    419 	 * megahertz (MHz) to include in scan requests when searching for this
    420 	 * network. This can be used to speed up scanning when the network is
    421 	 * known to not use all possible channels.
    422 	 */
    423 	int *scan_freq;
    424 
    425 	/**
    426 	 * bgscan - Background scan and roaming parameters or %NULL if none
    427 	 *
    428 	 * This is an optional set of parameters for background scanning and
    429 	 * roaming within a network (ESS) in following format:
    430 	 * <bgscan module name>:<module parameters>
    431 	 */
    432 	char *bgscan;
    433 
    434 	/**
    435 	 * ignore_broadcast_ssid - Hide SSID in AP mode
    436 	 *
    437 	 * Send empty SSID in beacons and ignore probe request frames that do
    438 	 * not specify full SSID, i.e., require stations to know SSID.
    439 	 * default: disabled (0)
    440 	 * 1 = send empty (length=0) SSID in beacon and ignore probe request
    441 	 * for broadcast SSID
    442 	 * 2 = clear SSID (ASCII 0), but keep the original length (this may be
    443 	 * required with some clients that do not support empty SSID) and
    444 	 * ignore probe requests for broadcast SSID
    445 	 */
    446 	int ignore_broadcast_ssid;
    447 
    448 	/**
    449 	 * freq_list - Array of allowed frequencies or %NULL for all
    450 	 *
    451 	 * This is an optional zero-terminated array of frequencies in
    452 	 * megahertz (MHz) to allow for selecting the BSS. If set, scan results
    453 	 * that do not match any of the specified frequencies are not
    454 	 * considered when selecting a BSS.
    455 	 */
    456 	int *freq_list;
    457 
    458 	/**
    459 	 * p2p_client_list - List of P2P Clients in a persistent group (GO)
    460 	 *
    461 	 * This is a list of P2P Clients (P2P Device Address) that have joined
    462 	 * the persistent group. This is maintained on the GO for persistent
    463 	 * group entries (disabled == 2).
    464 	 */
    465 	u8 *p2p_client_list;
    466 
    467 	/**
    468 	 * num_p2p_clients - Number of entries in p2p_client_list
    469 	 */
    470 	size_t num_p2p_clients;
    471 
    472 #ifndef P2P_MAX_STORED_CLIENTS
    473 #define P2P_MAX_STORED_CLIENTS 100
    474 #endif /* P2P_MAX_STORED_CLIENTS */
    475 
    476 	/**
    477 	 * psk_list - Per-client PSKs (struct psk_list_entry)
    478 	 */
    479 	struct dl_list psk_list;
    480 
    481 	/**
    482 	 * p2p_group - Network generated as a P2P group (used internally)
    483 	 */
    484 	int p2p_group;
    485 
    486 	/**
    487 	 * p2p_persistent_group - Whether this is a persistent group
    488 	 */
    489 	int p2p_persistent_group;
    490 
    491 	/**
    492 	 * temporary - Whether this network is temporary and not to be saved
    493 	 */
    494 	int temporary;
    495 
    496 	/**
    497 	 * export_keys - Whether keys may be exported
    498 	 *
    499 	 * This attribute will be set when keys are determined through
    500 	 * WPS or similar so that they may be exported.
    501 	 */
    502 	int export_keys;
    503 
    504 #ifdef CONFIG_HT_OVERRIDES
    505 	/**
    506 	 * disable_ht - Disable HT (IEEE 802.11n) for this network
    507 	 *
    508 	 * By default, use it if it is available, but this can be configured
    509 	 * to 1 to have it disabled.
    510 	 */
    511 	int disable_ht;
    512 
    513 	/**
    514 	 * disable_ht40 - Disable HT40 for this network
    515 	 *
    516 	 * By default, use it if it is available, but this can be configured
    517 	 * to 1 to have it disabled.
    518 	 */
    519 	int disable_ht40;
    520 
    521 	/**
    522 	 * disable_sgi - Disable SGI (Short Guard Interval) for this network
    523 	 *
    524 	 * By default, use it if it is available, but this can be configured
    525 	 * to 1 to have it disabled.
    526 	 */
    527 	int disable_sgi;
    528 
    529 	/**
    530 	 * disable_ldpc - Disable LDPC for this network
    531 	 *
    532 	 * By default, use it if it is available, but this can be configured
    533 	 * to 1 to have it disabled.
    534 	 */
    535 	int disable_ldpc;
    536 
    537 	/**
    538 	 * ht40_intolerant - Indicate 40 MHz intolerant for this network
    539 	 */
    540 	int ht40_intolerant;
    541 
    542 	/**
    543 	 * disable_max_amsdu - Disable MAX A-MSDU
    544 	 *
    545 	 * A-MDSU will be 3839 bytes when disabled, or 7935
    546 	 * when enabled (assuming it is otherwise supported)
    547 	 * -1 (default) means do not apply any settings to the kernel.
    548 	 */
    549 	int disable_max_amsdu;
    550 
    551 	/**
    552 	 * ampdu_factor - Maximum A-MPDU Length Exponent
    553 	 *
    554 	 * Value: 0-3, see 7.3.2.56.3 in IEEE Std 802.11n-2009.
    555 	 */
    556 	int ampdu_factor;
    557 
    558 	/**
    559 	 * ampdu_density - Minimum A-MPDU Start Spacing
    560 	 *
    561 	 * Value: 0-7, see 7.3.2.56.3 in IEEE Std 802.11n-2009.
    562 	 */
    563 	int ampdu_density;
    564 
    565 	/**
    566 	 * ht_mcs - Allowed HT-MCS rates, in ASCII hex: ffff0000...
    567 	 *
    568 	 * By default (empty string): Use whatever the OS has configured.
    569 	 */
    570 	char *ht_mcs;
    571 #endif /* CONFIG_HT_OVERRIDES */
    572 
    573 #ifdef CONFIG_VHT_OVERRIDES
    574 	/**
    575 	 * disable_vht - Disable VHT (IEEE 802.11ac) for this network
    576 	 *
    577 	 * By default, use it if it is available, but this can be configured
    578 	 * to 1 to have it disabled.
    579 	 */
    580 	int disable_vht;
    581 
    582 	/**
    583 	 * vht_capa - VHT capabilities to use
    584 	 */
    585 	unsigned int vht_capa;
    586 
    587 	/**
    588 	 * vht_capa_mask - mask for VHT capabilities
    589 	 */
    590 	unsigned int vht_capa_mask;
    591 
    592 	int vht_rx_mcs_nss_1, vht_rx_mcs_nss_2,
    593 	    vht_rx_mcs_nss_3, vht_rx_mcs_nss_4,
    594 	    vht_rx_mcs_nss_5, vht_rx_mcs_nss_6,
    595 	    vht_rx_mcs_nss_7, vht_rx_mcs_nss_8;
    596 	int vht_tx_mcs_nss_1, vht_tx_mcs_nss_2,
    597 	    vht_tx_mcs_nss_3, vht_tx_mcs_nss_4,
    598 	    vht_tx_mcs_nss_5, vht_tx_mcs_nss_6,
    599 	    vht_tx_mcs_nss_7, vht_tx_mcs_nss_8;
    600 #endif /* CONFIG_VHT_OVERRIDES */
    601 
    602 	/**
    603 	 * ap_max_inactivity - Timeout in seconds to detect STA's inactivity
    604 	 *
    605 	 * This timeout value is used in AP mode to clean up inactive stations.
    606 	 * By default: 300 seconds.
    607 	 */
    608 	int ap_max_inactivity;
    609 
    610 	/**
    611 	 * dtim_period - DTIM period in Beacon intervals
    612 	 * By default: 2
    613 	 */
    614 	int dtim_period;
    615 
    616 	/**
    617 	 * beacon_int - Beacon interval (default: 100 TU)
    618 	 */
    619 	int beacon_int;
    620 
    621 	/**
    622 	 * auth_failures - Number of consecutive authentication failures
    623 	 */
    624 	unsigned int auth_failures;
    625 
    626 	/**
    627 	 * disabled_until - Network block disabled until this time if non-zero
    628 	 */
    629 	struct os_reltime disabled_until;
    630 
    631 	/**
    632 	 * parent_cred - Pointer to parent wpa_cred entry
    633 	 *
    634 	 * This pointer can be used to delete temporary networks when a wpa_cred
    635 	 * that was used to create them is removed. This pointer should not be
    636 	 * dereferences since it may not be updated in all cases.
    637 	 */
    638 	void *parent_cred;
    639 
    640 #ifdef CONFIG_MACSEC
    641 	/**
    642 	 * macsec_policy - Determines the policy for MACsec secure session
    643 	 *
    644 	 * 0: MACsec not in use (default)
    645 	 * 1: MACsec enabled - Should secure, accept key server's advice to
    646 	 *    determine whether to use a secure session or not.
    647 	 */
    648 	int macsec_policy;
    649 #endif /* CONFIG_MACSEC */
    650 
    651 #ifdef CONFIG_HS20
    652 	int update_identifier;
    653 #endif /* CONFIG_HS20 */
    654 };
    655 
    656 #endif /* CONFIG_SSID_H */
    657