text: /*
   * wpa_supplicant - Internal definitions
   * Copyright (c) 2003-2012, Jouni Malinen <j@w1.fi>
   *
   * This software may be distributed under the terms of the BSD license.
   * See README for more details.
   */
  
  #ifndef WPA_SUPPLICANT_I_H
  #define WPA_SUPPLICANT_I_H
  
  #include "utils/list.h"
  #include "common/defs.h"
  #include "common/sae.h"
  #include "config_ssid.h"
  
  extern const char *wpa_supplicant_version;
  extern const char *wpa_supplicant_license;
  #ifndef CONFIG_NO_STDOUT_DEBUG
  extern const char *wpa_supplicant_full_license1;
  extern const char *wpa_supplicant_full_license2;
  extern const char *wpa_supplicant_full_license3;
  extern const char *wpa_supplicant_full_license4;
  extern const char *wpa_supplicant_full_license5;
  #endif /* CONFIG_NO_STDOUT_DEBUG */
  
  struct wpa_sm;
  struct wpa_supplicant;
  struct ibss_rsn;
  struct scan_info;
  struct wpa_bss;
  struct wpa_scan_results;
  struct hostapd_hw_modes;
  struct wpa_driver_associate_params;
  
  /*
   * Forward declarations of private structures used within the ctrl_iface
   * backends. Other parts of wpa_supplicant do not have access to data stored in
   * these structures.
   */
  struct ctrl_iface_priv;
  struct ctrl_iface_global_priv;
  struct wpas_dbus_priv;
  
  /**
   * struct wpa_interface - Parameters for wpa_supplicant_add_iface()
   */
  struct wpa_interface {
  	/**
  	 * confname - Configuration name (file or profile) name
  	 *
  	 * This can also be %NULL when a configuration file is not used. In
  	 * that case, ctrl_interface must be set to allow the interface to be
  	 * configured.
  	 */
  	const char *confname;
  
  	/**
  	 * confanother - Additional configuration name (file or profile) name
  	 *
  	 * This can also be %NULL when the additional configuration file is not
  	 * used.
  	 */
  	const char *confanother;
  
  	/**
  	 * ctrl_interface - Control interface parameter
  	 *
  	 * If a configuration file is not used, this variable can be used to
  	 * set the ctrl_interface parameter that would have otherwise been read
  	 * from the configuration file. If both confname and ctrl_interface are
  	 * set, ctrl_interface is used to override the value from configuration
  	 * file.
  	 */
  	const char *ctrl_interface;
  
  	/**
  	 * driver - Driver interface name, or %NULL to use the default driver
  	 */
  	const char *driver;
  
  	/**
  	 * driver_param - Driver interface parameters
  	 *
  	 * If a configuration file is not used, this variable can be used to
  	 * set the driver_param parameters that would have otherwise been read
  	 * from the configuration file. If both confname and driver_param are
  	 * set, driver_param is used to override the value from configuration
  	 * file.
  	 */
  	const char *driver_param;
  
  	/**
  	 * ifname - Interface name
  	 */
  	const char *ifname;
  
  	/**
  	 * bridge_ifname - Optional bridge interface name
  	 *
  	 * If the driver interface (ifname) is included in a Linux bridge
  	 * device, the bridge interface may need to be used for receiving EAPOL
  	 * frames. This can be enabled by setting this variable to enable
  	 * receiving of EAPOL frames from an additional interface.
  	 */
  	const char *bridge_ifname;
  
  	/**
  	 * p2p_mgmt - Interface used for P2P management (P2P Device operations)
  	 *
  	 * Indicates whether wpas_p2p_init() must be called for this interface.
  	 * This is used only when the driver supports a dedicated P2P Device
  	 * interface that is not a network interface.
  	 */
  	int p2p_mgmt;
  };
  
  /**
   * struct wpa_params - Parameters for wpa_supplicant_init()
   */
  struct wpa_params {
  	/**
  	 * daemonize - Run %wpa_supplicant in the background
  	 */
  	int daemonize;
  
  	/**
  	 * wait_for_monitor - Wait for a monitor program before starting
  	 */
  	int wait_for_monitor;
  
  	/**
  	 * pid_file - Path to a PID (process ID) file
  	 *
  	 * If this and daemonize are set, process ID of the background process
  	 * will be written to the specified file.
  	 */
  	char *pid_file;
  
  	/**
  	 * wpa_debug_level - Debugging verbosity level (e.g., MSG_INFO)
  	 */
  	int wpa_debug_level;
  
  	/**
  	 * wpa_debug_show_keys - Whether keying material is included in debug
  	 *
  	 * This parameter can be used to allow keying material to be included
  	 * in debug messages. This is a security risk and this option should
  	 * not be enabled in normal configuration. If needed during
  	 * development or while troubleshooting, this option can provide more
  	 * details for figuring out what is happening.
  	 */
  	int wpa_debug_show_keys;
  
  	/**
  	 * wpa_debug_timestamp - Whether to include timestamp in debug messages
  	 */
  	int wpa_debug_timestamp;
  
  	/**
  	 * ctrl_interface - Global ctrl_iface path/parameter
  	 */
  	char *ctrl_interface;
  
  	/**
  	 * ctrl_interface_group - Global ctrl_iface group
  	 */
  	char *ctrl_interface_group;
  
  	/**
  	 * dbus_ctrl_interface - Enable the DBus control interface
  	 */
  	int dbus_ctrl_interface;
  
  	/**
  	 * wpa_debug_file_path - Path of debug file or %NULL to use stdout
  	 */
  	const char *wpa_debug_file_path;
  
  	/**
  	 * wpa_debug_syslog - Enable log output through syslog
  	 */
  	int wpa_debug_syslog;
  
  	/**
  	 * wpa_debug_tracing - Enable log output through Linux tracing
  	 */
  	int wpa_debug_tracing;
  
  	/**
  	 * override_driver - Optional driver parameter override
  	 *
  	 * This parameter can be used to override the driver parameter in
  	 * dynamic interface addition to force a specific driver wrapper to be
  	 * used instead.
  	 */
  	char *override_driver;
  
  	/**
  	 * override_ctrl_interface - Optional ctrl_interface override
  	 *
  	 * This parameter can be used to override the ctrl_interface parameter
  	 * in dynamic interface addition to force a control interface to be
  	 * created.
  	 */
  	char *override_ctrl_interface;
  
  	/**
  	 * entropy_file - Optional entropy file
  	 *
  	 * This parameter can be used to configure wpa_supplicant to maintain
  	 * its internal entropy store over restarts.
  	 */
  	char *entropy_file;
  };
  
  struct p2p_srv_bonjour {
  	struct dl_list list;
  	struct wpabuf *query;
  	struct wpabuf *resp;
  };
  
  struct p2p_srv_upnp {
  	struct dl_list list;
  	u8 version;
  	char *service;
  };
  
  struct wpa_freq_range {
  	unsigned int min;
  	unsigned int max;
  };
  
  
  /**
   * struct wpa_global - Internal, global data for all %wpa_supplicant interfaces
   *
   * This structure is initialized by calling wpa_supplicant_init() when starting
   * %wpa_supplicant.
   */
  struct wpa_global {
  	struct wpa_supplicant *ifaces;
  	struct wpa_params params;
  	struct ctrl_iface_global_priv *ctrl_iface;
  	struct wpas_dbus_priv *dbus;
  	void **drv_priv;
  	size_t drv_count;
  	struct os_time suspend_time;
  	struct p2p_data *p2p;
  	struct wpa_supplicant *p2p_init_wpa_s;
  	struct wpa_supplicant *p2p_group_formation;
  	struct wpa_supplicant *p2p_invite_group;
  	u8 p2p_dev_addr[ETH_ALEN];
  	struct os_time p2p_go_wait_client;
  	struct dl_list p2p_srv_bonjour; /* struct p2p_srv_bonjour */
  	struct dl_list p2p_srv_upnp; /* struct p2p_srv_upnp */
  	int p2p_disabled;
  	int cross_connection;
  	struct wpa_freq_range *p2p_disallow_freq;
  	unsigned int num_p2p_disallow_freq;
  	enum wpa_conc_pref {
  		WPA_CONC_PREF_NOT_SET,
  		WPA_CONC_PREF_STA,
  		WPA_CONC_PREF_P2P
  	} conc_pref;
  	unsigned int p2p_cb_on_scan_complete:1;
  	unsigned int p2p_per_sta_psk:1;
  
  #ifdef CONFIG_WIFI_DISPLAY
  	int wifi_display;
  #define MAX_WFD_SUBELEMS 10
  	struct wpabuf *wfd_subelem[MAX_WFD_SUBELEMS];
  #endif /* CONFIG_WIFI_DISPLAY */
  
  	struct psk_list_entry *add_psk; /* From group formation */
  };
  
  
  /**
   * offchannel_send_action_result - Result of offchannel send Action frame
   */
  enum offchannel_send_action_result {
  	OFFCHANNEL_SEND_ACTION_SUCCESS /**< Frame was send and acknowledged */,
  	OFFCHANNEL_SEND_ACTION_NO_ACK /**< Frame was sent, but not acknowledged
  				       */,
  	OFFCHANNEL_SEND_ACTION_FAILED /**< Frame was not sent due to a failure
  				       */
  };
  
  struct wps_ap_info {
  	u8 bssid[ETH_ALEN];
  	enum wps_ap_info_type {
  		WPS_AP_NOT_SEL_REG,
  		WPS_AP_SEL_REG,
  		WPS_AP_SEL_REG_OUR
  	} type;
  	unsigned int tries;
  	struct os_time last_attempt;
  };
  
  struct wpa_ssid_value {
  	u8 ssid[32];
  	size_t ssid_len;
  };
  
  /**
   * struct wpa_supplicant - Internal data for wpa_supplicant interface
   *
   * This structure contains the internal data for core wpa_supplicant code. This
   * should be only used directly from the core code. However, a pointer to this
   * data is used from other files as an arbitrary context pointer in calls to
   * core functions.
   */
  struct wpa_supplicant {
  	struct wpa_global *global;
  	struct wpa_supplicant *parent;
  	struct wpa_supplicant *next;
  	struct l2_packet_data *l2;
  	struct l2_packet_data *l2_br;
  	unsigned char own_addr[ETH_ALEN];
  	char ifname[100];
  #ifdef CONFIG_CTRL_IFACE_DBUS
  	char *dbus_path;
  #endif /* CONFIG_CTRL_IFACE_DBUS */
  #ifdef CONFIG_CTRL_IFACE_DBUS_NEW
  	char *dbus_new_path;
  	char *dbus_groupobj_path;
  #ifdef CONFIG_AP
  	char *preq_notify_peer;
  #endif /* CONFIG_AP */
  #endif /* CONFIG_CTRL_IFACE_DBUS_NEW */
  	char bridge_ifname[16];
  
  	char *confname;
  	char *confanother;
  	struct wpa_config *conf;
  	int countermeasures;
  	os_time_t last_michael_mic_error;
  	u8 bssid[ETH_ALEN];
  	u8 pending_bssid[ETH_ALEN]; /* If wpa_state == WPA_ASSOCIATING, this
  				     * field contains the target BSSID. */
  	int reassociate; /* reassociation requested */
  	int disconnected; /* all connections disabled; i.e., do no reassociate
  			   * before this has been cleared */
  	struct wpa_ssid *current_ssid;
  	struct wpa_bss *current_bss;
  	int ap_ies_from_associnfo;
  	unsigned int assoc_freq;
  #ifdef LEGACY_STA_EVENTS
  	unsigned int assoc_retries;
  #endif
  	/* Selected configuration (based on Beacon/ProbeResp WPA IE) */
  	int pairwise_cipher;
  	int group_cipher;
  	int key_mgmt;
  	int wpa_proto;
  	int mgmt_group_cipher;
  
  	void *drv_priv; /* private data used by driver_ops */
  	void *global_drv_priv;
  
  	u8 *bssid_filter;
  	size_t bssid_filter_count;
  
  	u8 *disallow_aps_bssid;
  	size_t disallow_aps_bssid_count;
  	struct wpa_ssid_value *disallow_aps_ssid;
  	size_t disallow_aps_ssid_count;
  
  	enum { WPA_SETBAND_AUTO, WPA_SETBAND_5G, WPA_SETBAND_2G } setband;
  
  	/* previous scan was wildcard when interleaving between
  	 * wildcard scans and specific SSID scan when max_ssids=1 */
  	int prev_scan_wildcard;
  	struct wpa_ssid *prev_scan_ssid; /* previously scanned SSID;
  					  * NULL = not yet initialized (start
  					  * with wildcard SSID)
  					  * WILDCARD_SSID_SCAN = wildcard
  					  * SSID was used in the previous scan
  					  */
  #define WILDCARD_SSID_SCAN ((struct wpa_ssid *) 1)
  
  	struct wpa_ssid *prev_sched_ssid; /* last SSID used in sched scan */
  	int sched_scan_timeout;
  	int sched_scan_interval;
  	int first_sched_scan;
  	int sched_scan_timed_out;
  
  	void (*scan_res_handler)(struct wpa_supplicant *wpa_s,
  				 struct wpa_scan_results *scan_res);
  	struct dl_list bss; /* struct wpa_bss::list */
  	struct dl_list bss_id; /* struct wpa_bss::list_id */
  	size_t num_bss;
  	unsigned int bss_update_idx;
  	unsigned int bss_next_id;
  
  	 /*
  	  * Pointers to BSS entries in the order they were in the last scan
  	  * results.
  	  */
  	struct wpa_bss **last_scan_res;
  	unsigned int last_scan_res_used;
  	unsigned int last_scan_res_size;
  	int last_scan_full;
  	struct os_time last_scan;
  
  	struct wpa_driver_ops *driver;
  	int interface_removed; /* whether the network interface has been
  				* removed */
  	struct wpa_sm *wpa;
  	struct eapol_sm *eapol;
  
  	struct ctrl_iface_priv *ctrl_iface;
  
  	enum wpa_states wpa_state;
  	int scanning;
  	int sched_scanning;
  	int new_connection;
  
  	int eapol_received; /* number of EAPOL packets received after the
  			     * previous association event */
  
  	struct scard_data *scard;
  	char imsi[20];
  	int mnc_len;
  
  	unsigned char last_eapol_src[ETH_ALEN];
  
  	int keys_cleared;
  
  	struct wpa_blacklist *blacklist;
  
  	/**
  	 * extra_blacklist_count - Sum of blacklist counts after last connection
  	 *
  	 * This variable is used to maintain a count of temporary blacklisting
  	 * failures (maximum number for any BSS) over blacklist clear
  	 * operations. This is needed for figuring out whether there has been
  	 * failures prior to the last blacklist clear operation which happens
  	 * whenever no other not-blacklisted BSS candidates are available. This
  	 * gets cleared whenever a connection has been established successfully.
  	 */
  	int extra_blacklist_count;
  
  	/**
  	 * scan_req - Type of the scan request
  	 */
  	enum scan_req_type {
  		/**
  		 * NORMAL_SCAN_REQ - Normal scan request
  		 *
  		 * This is used for scans initiated by wpa_supplicant to find an
  		 * AP for a connection.
  		 */
  		NORMAL_SCAN_REQ,
  
  		/**
  		 * INITIAL_SCAN_REQ - Initial scan request
  		 *
  		 * This is used for the first scan on an interface to force at
  		 * least one scan to be run even if the configuration does not
  		 * include any enabled networks.
  		 */
  		INITIAL_SCAN_REQ,
  
  		/**
  		 * MANUAL_SCAN_REQ - Manual scan request
  		 *
  		 * This is used for scans where the user request a scan or
  		 * a specific wpa_supplicant operation (e.g., WPS) requires scan
  		 * to be run.
  		 */
  		MANUAL_SCAN_REQ
  	} scan_req;
  	struct os_time scan_trigger_time;
  	int scan_runs; /* number of scan runs since WPS was started */
  	int *next_scan_freqs;
  	int scan_interval; /* time in sec between scans to find suitable AP */
  	int normal_scans; /* normal scans run before sched_scan */
  	int scan_for_connection; /* whether the scan request was triggered for
  				  * finding a connection */
  
  	unsigned int drv_flags;
  	unsigned int drv_enc;
  
  	/*
  	 * A bitmap of supported protocols for probe response offload. See
  	 * struct wpa_driver_capa in driver.h
  	 */
  	unsigned int probe_resp_offloads;
  
  	/* extended capabilities supported by the driver */
  	const u8 *extended_capa, *extended_capa_mask;
  	unsigned int extended_capa_len;
  
  	int max_scan_ssids;
  	int max_sched_scan_ssids;
  	int sched_scan_supported;
  	unsigned int max_match_sets;
  	unsigned int max_remain_on_chan;
  	unsigned int max_stations;
  
  	int pending_mic_error_report;
  	int pending_mic_error_pairwise;
  	int mic_errors_seen; /* Michael MIC errors with the current PTK */
  
  	struct wps_context *wps;
  	int wps_success; /* WPS success event received */
  	struct wps_er *wps_er;
  	int blacklist_cleared;
  
  	struct wpabuf *pending_eapol_rx;
  	struct os_time pending_eapol_rx_time;
  	u8 pending_eapol_rx_src[ETH_ALEN];
  	unsigned int last_eapol_matches_bssid:1;
  
  	struct ibss_rsn *ibss_rsn;
  
  	int set_sta_uapsd;
  	int sta_uapsd;
  	int set_ap_uapsd;
  	int ap_uapsd;
  
  #ifdef CONFIG_SME
  	struct {
  		u8 ssid[32];
  		size_t ssid_len;
  		int freq;
  		u8 assoc_req_ie[200];
  		size_t assoc_req_ie_len;
  		int mfp;
  		int ft_used;
  		u8 mobility_domain[2];
  		u8 *ft_ies;
  		size_t ft_ies_len;
  		u8 prev_bssid[ETH_ALEN];
  		int prev_bssid_set;
  		int auth_alg;
  		int proto;
  
  		int sa_query_count; /* number of pending SA Query requests;
  				     * 0 = no SA Query in progress */
  		int sa_query_timed_out;
  		u8 *sa_query_trans_id; /* buffer of WLAN_SA_QUERY_TR_ID_LEN *
  					* sa_query_count octets of pending
  					* SA Query transaction identifiers */
  		struct os_time sa_query_start;
  		u8 sched_obss_scan;
  		u16 obss_scan_int;
  		u16 bss_max_idle_period;
  #ifdef CONFIG_SAE
  		struct sae_data sae;
  		struct wpabuf *sae_token;
  		int sae_group_index;
  #endif /* CONFIG_SAE */
  	} sme;
  #endif /* CONFIG_SME */
  
  #ifdef CONFIG_AP
  	struct hostapd_iface *ap_iface;
  	void (*ap_configured_cb)(void *ctx, void *data);
  	void *ap_configured_cb_ctx;
  	void *ap_configured_cb_data;
  #endif /* CONFIG_AP */
  
  	unsigned int off_channel_freq;
  	struct wpabuf *pending_action_tx;
  	u8 pending_action_src[ETH_ALEN];
  	u8 pending_action_dst[ETH_ALEN];
  	u8 pending_action_bssid[ETH_ALEN];
  	unsigned int pending_action_freq;
  	int pending_action_no_cck;
  	int pending_action_without_roc;
  	void (*pending_action_tx_status_cb)(struct wpa_supplicant *wpa_s,
  					    unsigned int freq, const u8 *dst,
  					    const u8 *src, const u8 *bssid,
  					    const u8 *data, size_t data_len,
  					    enum offchannel_send_action_result
  					    result);
  	unsigned int roc_waiting_drv_freq;
  	int action_tx_wait_time;
  
  	int p2p_mgmt;
  
  #ifdef CONFIG_P2P
  	struct p2p_go_neg_results *go_params;
  	int create_p2p_iface;
  	u8 pending_interface_addr[ETH_ALEN];
  	char pending_interface_name[100];
  	int pending_interface_type;
  	int p2p_group_idx;
  	unsigned int pending_listen_freq;
  	unsigned int pending_listen_duration;
  	enum {
  		NOT_P2P_GROUP_INTERFACE,
  		P2P_GROUP_INTERFACE_PENDING,
  		P2P_GROUP_INTERFACE_GO,
  		P2P_GROUP_INTERFACE_CLIENT
  	} p2p_group_interface;
  	struct p2p_group *p2p_group;
  	int p2p_long_listen; /* remaining time in long Listen state in ms */
  	char p2p_pin[10];
  	int p2p_wps_method;
  	u8 p2p_auth_invite[ETH_ALEN];
  	int p2p_sd_over_ctrl_iface;
  	int p2p_in_provisioning;
  	int pending_invite_ssid_id;
  	int show_group_started;
  	u8 go_dev_addr[ETH_ALEN];
  	int pending_pd_before_join;
  	u8 pending_join_iface_addr[ETH_ALEN];
  	u8 pending_join_dev_addr[ETH_ALEN];
  	int pending_join_wps_method;
  	int p2p_join_scan_count;
  	int auto_pd_scan_retry;
  	int force_long_sd;
  	u16 pending_pd_config_methods;
  	enum {
  		NORMAL_PD, AUTO_PD_GO_NEG, AUTO_PD_JOIN
  	} pending_pd_use;
  
  	/*
  	 * Whether cross connection is disallowed by the AP to which this
  	 * interface is associated (only valid if there is an association).
  	 */
  	int cross_connect_disallowed;
  
  	/*
  	 * Whether this P2P group is configured to use cross connection (only
  	 * valid if this is P2P GO interface). The actual cross connect packet
  	 * forwarding may not be configured depending on the uplink status.
  	 */
  	int cross_connect_enabled;
  
  	/* Whether cross connection forwarding is in use at the moment. */
  	int cross_connect_in_use;
  
  	/*
  	 * Uplink interface name for cross connection
  	 */
  	char cross_connect_uplink[100];
  
  	unsigned int sta_scan_pending:1;
  	unsigned int p2p_auto_join:1;
  	unsigned int p2p_auto_pd:1;
  	unsigned int p2p_persistent_group:1;
  	unsigned int p2p_fallback_to_go_neg:1;
  	unsigned int p2p_pd_before_go_neg:1;
  	unsigned int p2p_go_ht40:1;
  	unsigned int user_initiated_pd:1;
  	unsigned int p2p_go_group_formation_completed:1;
  	int p2p_first_connection_timeout;
  	int p2p_persistent_go_freq;
  	int p2p_persistent_id;
  	int p2p_go_intent;
  	int p2p_connect_freq;
  	struct os_time p2p_auto_started;
  	struct wpa_ssid *p2p_last_4way_hs_fail;
  #endif /* CONFIG_P2P */
  
  	struct wpa_ssid *bgscan_ssid;
  	const struct bgscan_ops *bgscan;
  	void *bgscan_priv;
  
  	const struct autoscan_ops *autoscan;
  	struct wpa_driver_scan_params *autoscan_params;
  	void *autoscan_priv;
  
  	struct wpa_ssid *connect_without_scan;
  
  	struct wps_ap_info *wps_ap;
  	size_t num_wps_ap;
  	int wps_ap_iter;
  
  	int after_wps;
  	int known_wps_freq;
  	unsigned int wps_freq;
  	u16 wps_ap_channel;
  	int wps_fragment_size;
  	int auto_reconnect_disabled;
  
  	 /* Channel preferences for AP/P2P GO use */
  	int best_24_freq;
  	int best_5_freq;
  	int best_overall_freq;
  
  	struct gas_query *gas;
  
  #ifdef CONFIG_INTERWORKING
  	unsigned int fetch_anqp_in_progress:1;
  	unsigned int network_select:1;
  	unsigned int auto_select:1;
  	unsigned int auto_network_select:1;
  	unsigned int fetch_all_anqp:1;
  	struct wpa_bss *interworking_gas_bss;
  #endif /* CONFIG_INTERWORKING */
  	unsigned int drv_capa_known;
  
  	struct {
  		struct hostapd_hw_modes *modes;
  		u16 num_modes;
  		u16 flags;
  	} hw;
  
  	int pno;
  
  	/* WLAN_REASON_* reason codes. Negative if locally generated. */
  	int disconnect_reason;
  
  	struct ext_password_data *ext_pw;
  
  	struct wpabuf *last_gas_resp;
  	u8 last_gas_addr[ETH_ALEN];
  	u8 last_gas_dialog_token;
  
  	unsigned int no_keep_alive:1;
  
  #ifdef CONFIG_WNM
  	u8 wnm_dialog_token;
  	u8 wnm_reply;
  	u8 wnm_num_neighbor_report;
  	u8 wnm_mode;
  	u16 wnm_dissoc_timer;
  	u8 wnm_validity_interval;
  	u8 wnm_bss_termination_duration[12];
  	struct neighbor_report *wnm_neighbor_report_elements;
  #endif /* CONFIG_WNM */
  
  #ifdef CONFIG_TESTING_GET_GTK
  	u8 last_gtk[32];
  	size_t last_gtk_len;
  #endif /* CONFIG_TESTING_GET_GTK */
  
  	unsigned int num_multichan_concurrent;
  };
  
  
  /* wpa_supplicant.c */
  void wpa_supplicant_apply_ht_overrides(
  	struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
  	struct wpa_driver_associate_params *params);
  void wpa_supplicant_apply_vht_overrides(
  	struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid,
  	struct wpa_driver_associate_params *params);
  
  int wpa_set_wep_keys(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
  int wpa_supplicant_set_wpa_none_key(struct wpa_supplicant *wpa_s,
  				    struct wpa_ssid *ssid);
  
  int wpa_supplicant_reload_configuration(struct wpa_supplicant *wpa_s);
  
  const char * wpa_supplicant_state_txt(enum wpa_states state);
  int wpa_supplicant_update_mac_addr(struct wpa_supplicant *wpa_s);
  int wpa_supplicant_driver_init(struct wpa_supplicant *wpa_s);
  int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
  			      struct wpa_bss *bss, struct wpa_ssid *ssid,
  			      u8 *wpa_ie, size_t *wpa_ie_len);
  void wpa_supplicant_associate(struct wpa_supplicant *wpa_s,
  			      struct wpa_bss *bss,
  			      struct wpa_ssid *ssid);
  void wpa_supplicant_set_non_wpa_policy(struct wpa_supplicant *wpa_s,
  				       struct wpa_ssid *ssid);
  void wpa_supplicant_initiate_eapol(struct wpa_supplicant *wpa_s);
  void wpa_clear_keys(struct wpa_supplicant *wpa_s, const u8 *addr);
  void wpa_supplicant_req_auth_timeout(struct wpa_supplicant *wpa_s,
  				     int sec, int usec);
  void wpa_supplicant_reinit_autoscan(struct wpa_supplicant *wpa_s);
  void wpa_supplicant_set_state(struct wpa_supplicant *wpa_s,
  			      enum wpa_states state);
  struct wpa_ssid * wpa_supplicant_get_ssid(struct wpa_supplicant *wpa_s);
  const char * wpa_supplicant_get_eap_mode(struct wpa_supplicant *wpa_s);
  void wpa_supplicant_cancel_auth_timeout(struct wpa_supplicant *wpa_s);
  void wpa_supplicant_deauthenticate(struct wpa_supplicant *wpa_s,
  				   int reason_code);
  
  void wpa_supplicant_enable_network(struct wpa_supplicant *wpa_s,
  				   struct wpa_ssid *ssid);
  void wpa_supplicant_disable_network(struct wpa_supplicant *wpa_s,
  				    struct wpa_ssid *ssid);
  void wpa_supplicant_select_network(struct wpa_supplicant *wpa_s,
  				   struct wpa_ssid *ssid);
  int wpa_supplicant_set_ap_scan(struct wpa_supplicant *wpa_s,
  			       int ap_scan);
  int wpa_supplicant_set_bss_expiration_age(struct wpa_supplicant *wpa_s,
  					  unsigned int expire_age);
  int wpa_supplicant_set_bss_expiration_count(struct wpa_supplicant *wpa_s,
  					    unsigned int expire_count);
  int wpa_supplicant_set_scan_interval(struct wpa_supplicant *wpa_s,
  				     int scan_interval);
  int wpa_supplicant_set_debug_params(struct wpa_global *global,
  				    int debug_level, int debug_timestamp,
  				    int debug_show_keys);
  void free_hw_features(struct wpa_supplicant *wpa_s);
  
  void wpa_show_license(void);
  
  struct wpa_supplicant * wpa_supplicant_add_iface(struct wpa_global *global,
  						 struct wpa_interface *iface);
  int wpa_supplicant_remove_iface(struct wpa_global *global,
  				struct wpa_supplicant *wpa_s,
  				int terminate);
  struct wpa_supplicant * wpa_supplicant_get_iface(struct wpa_global *global,
  						 const char *ifname);
  struct wpa_global * wpa_supplicant_init(struct wpa_params *params);
  int wpa_supplicant_run(struct wpa_global *global);
  void wpa_supplicant_deinit(struct wpa_global *global);
  
  int wpa_supplicant_scard_init(struct wpa_supplicant *wpa_s,
  			      struct wpa_ssid *ssid);
  void wpa_supplicant_terminate_proc(struct wpa_global *global);
  void wpa_supplicant_rx_eapol(void *ctx, const u8 *src_addr,
  			     const u8 *buf, size_t len);
  enum wpa_key_mgmt key_mgmt2driver(int key_mgmt);
  void wpa_supplicant_update_config(struct wpa_supplicant *wpa_s);
  void wpa_supplicant_clear_status(struct wpa_supplicant *wpa_s);
  void wpas_connection_failed(struct wpa_supplicant *wpa_s, const u8 *bssid);
  int wpas_driver_bss_selection(struct wpa_supplicant *wpa_s);
  int wpas_is_p2p_prioritized(struct wpa_supplicant *wpa_s);
  void wpas_auth_failed(struct wpa_supplicant *wpa_s);
  void wpas_clear_temp_disabled(struct wpa_supplicant *wpa_s,
  			      struct wpa_ssid *ssid, int clear_failures);
  int disallowed_bssid(struct wpa_supplicant *wpa_s, const u8 *bssid);
  int disallowed_ssid(struct wpa_supplicant *wpa_s, const u8 *ssid,
  		    size_t ssid_len);
  void wpas_request_connection(struct wpa_supplicant *wpa_s);
  int wpas_build_ext_capab(struct wpa_supplicant *wpa_s, u8 *buf);
  int wpas_wpa_is_in_progress(struct wpa_supplicant *wpa_s);
  
  /**
   * wpa_supplicant_ctrl_iface_ctrl_rsp_handle - Handle a control response
   * @wpa_s: Pointer to wpa_supplicant data
   * @ssid: Pointer to the network block the reply is for
   * @field: field the response is a reply for
   * @value: value (ie, password, etc) for @field
   * Returns: 0 on success, non-zero on error
   *
   * Helper function to handle replies to control interface requests.
   */
  int wpa_supplicant_ctrl_iface_ctrl_rsp_handle(struct wpa_supplicant *wpa_s,
  					      struct wpa_ssid *ssid,
  					      const char *field,
  					      const char *value);
  
  /* events.c */
  void wpa_supplicant_mark_disassoc(struct wpa_supplicant *wpa_s);
  int wpa_supplicant_connect(struct wpa_supplicant *wpa_s,
  			   struct wpa_bss *selected,
  			   struct wpa_ssid *ssid);
  void wpa_supplicant_stop_countermeasures(void *eloop_ctx, void *sock_ctx);
  void wpa_supplicant_delayed_mic_error_report(void *eloop_ctx, void *sock_ctx);
  void wnm_bss_keep_alive_deinit(struct wpa_supplicant *wpa_s);
  int wpa_supplicant_fast_associate(struct wpa_supplicant *wpa_s);
  struct wpa_bss * wpa_supplicant_pick_network(struct wpa_supplicant *wpa_s,
  					     struct wpa_ssid **selected_ssid);
  
  /* eap_register.c */
  int eap_register_methods(void);
  
  /**
   * Utility method to tell if a given network is a persistent group
   * @ssid: Network object
   * Returns: 1 if network is a persistent group, 0 otherwise
   */
  static inline int network_is_persistent_group(struct wpa_ssid *ssid)
  {
  	return ((ssid->disabled == 2) || ssid->p2p_persistent_group);
  }
  
  int wpas_network_disabled(struct wpa_supplicant *wpa_s, struct wpa_ssid *ssid);
  
  int wpas_init_ext_pw(struct wpa_supplicant *wpa_s);
  
  int get_shared_radio_freqs(struct wpa_supplicant *wpa_s,
  			   int *freq_array, unsigned int len);
  
  #endif /* WPA_SUPPLICANT_I_H */
  