zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/app/wpa_supplicant-2.6/src/common/wpa_ctrl.h b/ap/app/wpa_supplicant-2.6/src/common/wpa_ctrl.h
new file mode 100755
index 0000000..4dcba81
--- /dev/null
+++ b/ap/app/wpa_supplicant-2.6/src/common/wpa_ctrl.h
@@ -0,0 +1,504 @@
+/*
+ * wpa_supplicant/hostapd control interface library
+ * Copyright (c) 2004-2006, Jouni Malinen <j@w1.fi>
+ *
+ * This software may be distributed under the terms of the BSD license.
+ * See README for more details.
+ */
+
+#ifndef WPA_CTRL_H
+#define WPA_CTRL_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/* wpa_supplicant control interface - fixed message prefixes */
+
+/** Interactive request for identity/password/pin */
+#define WPA_CTRL_REQ "CTRL-REQ-"
+
+/** Response to identity/password/pin request */
+#define WPA_CTRL_RSP "CTRL-RSP-"
+
+/* Event messages with fixed prefix */
+/** Authentication completed successfully and data connection enabled */
+#define WPA_EVENT_CONNECTED "CTRL-EVENT-CONNECTED "
+/** Disconnected, data connection is not available */
+#define WPA_EVENT_DISCONNECTED "CTRL-EVENT-DISCONNECTED "
+/** Association rejected during connection attempt */
+#define WPA_EVENT_ASSOC_REJECT "CTRL-EVENT-ASSOC-REJECT "
+/** Authentication rejected during connection attempt */
+#define WPA_EVENT_AUTH_REJECT "CTRL-EVENT-AUTH-REJECT "
+/** wpa_supplicant is exiting */
+#define WPA_EVENT_TERMINATING "CTRL-EVENT-TERMINATING "
+/** Password change was completed successfully */
+#define WPA_EVENT_PASSWORD_CHANGED "CTRL-EVENT-PASSWORD-CHANGED "
+/** EAP-Request/Notification received */
+#define WPA_EVENT_EAP_NOTIFICATION "CTRL-EVENT-EAP-NOTIFICATION "
+/** EAP authentication started (EAP-Request/Identity received) */
+#define WPA_EVENT_EAP_STARTED "CTRL-EVENT-EAP-STARTED "
+/** EAP method proposed by the server */
+#define WPA_EVENT_EAP_PROPOSED_METHOD "CTRL-EVENT-EAP-PROPOSED-METHOD "
+/** EAP method selected */
+#define WPA_EVENT_EAP_METHOD "CTRL-EVENT-EAP-METHOD "
+/** EAP peer certificate from TLS */
+#define WPA_EVENT_EAP_PEER_CERT "CTRL-EVENT-EAP-PEER-CERT "
+/** EAP peer certificate alternative subject name component from TLS */
+#define WPA_EVENT_EAP_PEER_ALT "CTRL-EVENT-EAP-PEER-ALT "
+/** EAP TLS certificate chain validation error */
+#define WPA_EVENT_EAP_TLS_CERT_ERROR "CTRL-EVENT-EAP-TLS-CERT-ERROR "
+/** EAP status */
+#define WPA_EVENT_EAP_STATUS "CTRL-EVENT-EAP-STATUS "
+/** EAP authentication completed successfully */
+#define WPA_EVENT_EAP_SUCCESS "CTRL-EVENT-EAP-SUCCESS "
+/** EAP authentication failed (EAP-Failure received) */
+#define WPA_EVENT_EAP_FAILURE "CTRL-EVENT-EAP-FAILURE "
+/** Network block temporarily disabled (e.g., due to authentication failure) */
+#define WPA_EVENT_TEMP_DISABLED "CTRL-EVENT-SSID-TEMP-DISABLED "
+/** Temporarily disabled network block re-enabled */
+#define WPA_EVENT_REENABLED "CTRL-EVENT-SSID-REENABLED "
+/** New scan started */
+#define WPA_EVENT_SCAN_STARTED "CTRL-EVENT-SCAN-STARTED "
+/** New scan results available */
+#define WPA_EVENT_SCAN_RESULTS "CTRL-EVENT-SCAN-RESULTS "
+/** Scan command failed */
+#define WPA_EVENT_SCAN_FAILED "CTRL-EVENT-SCAN-FAILED "
+/** wpa_supplicant state change */
+#define WPA_EVENT_STATE_CHANGE "CTRL-EVENT-STATE-CHANGE "
+/** A new BSS entry was added (followed by BSS entry id and BSSID) */
+#define WPA_EVENT_BSS_ADDED "CTRL-EVENT-BSS-ADDED "
+/** A BSS entry was removed (followed by BSS entry id and BSSID) */
+#define WPA_EVENT_BSS_REMOVED "CTRL-EVENT-BSS-REMOVED "
+/** No suitable network was found */
+#define WPA_EVENT_NETWORK_NOT_FOUND "CTRL-EVENT-NETWORK-NOT-FOUND "
+/** Change in the signal level was reported by the driver */
+#define WPA_EVENT_SIGNAL_CHANGE "CTRL-EVENT-SIGNAL-CHANGE "
+/** Regulatory domain channel */
+#define WPA_EVENT_REGDOM_CHANGE "CTRL-EVENT-REGDOM-CHANGE "
+/** Channel switch (followed by freq=<MHz> and other channel parameters) */
+#define WPA_EVENT_CHANNEL_SWITCH "CTRL-EVENT-CHANNEL-SWITCH "
+
+/** IP subnet status change notification
+ *
+ * When using an offloaded roaming mechanism where driver/firmware takes care
+ * of roaming and IP subnet validation checks post-roaming, this event can
+ * indicate whether IP subnet has changed.
+ *
+ * The event has a status=<0/1/2> parameter where
+ * 0 = unknown
+ * 1 = IP subnet unchanged (can continue to use the old IP address)
+ * 2 = IP subnet changed (need to get a new IP address)
+ */
+#define WPA_EVENT_SUBNET_STATUS_UPDATE "CTRL-EVENT-SUBNET-STATUS-UPDATE "
+
+/** RSN IBSS 4-way handshakes completed with specified peer */
+#define IBSS_RSN_COMPLETED "IBSS-RSN-COMPLETED "
+
+/** Notification of frequency conflict due to a concurrent operation.
+ *
+ * The indicated network is disabled and needs to be re-enabled before it can
+ * be used again.
+ */
+#define WPA_EVENT_FREQ_CONFLICT "CTRL-EVENT-FREQ-CONFLICT "
+/** Frequency ranges that the driver recommends to avoid */
+#define WPA_EVENT_AVOID_FREQ "CTRL-EVENT-AVOID-FREQ "
+/** WPS overlap detected in PBC mode */
+#define WPS_EVENT_OVERLAP "WPS-OVERLAP-DETECTED "
+/** Available WPS AP with active PBC found in scan results */
+#define WPS_EVENT_AP_AVAILABLE_PBC "WPS-AP-AVAILABLE-PBC "
+/** Available WPS AP with our address as authorized in scan results */
+#define WPS_EVENT_AP_AVAILABLE_AUTH "WPS-AP-AVAILABLE-AUTH "
+/** Available WPS AP with recently selected PIN registrar found in scan results
+ */
+#define WPS_EVENT_AP_AVAILABLE_PIN "WPS-AP-AVAILABLE-PIN "
+/** Available WPS AP found in scan results */
+#define WPS_EVENT_AP_AVAILABLE "WPS-AP-AVAILABLE "
+/** A new credential received */
+#define WPS_EVENT_CRED_RECEIVED "WPS-CRED-RECEIVED "
+/** M2D received */
+#define WPS_EVENT_M2D "WPS-M2D "
+/** WPS registration failed after M2/M2D */
+#define WPS_EVENT_FAIL "WPS-FAIL "
+/** WPS registration completed successfully */
+#define WPS_EVENT_SUCCESS "WPS-SUCCESS "
+/** WPS enrollment attempt timed out and was terminated */
+#define WPS_EVENT_TIMEOUT "WPS-TIMEOUT "
+/* PBC mode was activated */
+#define WPS_EVENT_ACTIVE "WPS-PBC-ACTIVE "
+/* PBC mode was disabled */
+#define WPS_EVENT_DISABLE "WPS-PBC-DISABLE "
+
+#define WPS_EVENT_ENROLLEE_SEEN "WPS-ENROLLEE-SEEN "
+
+#define WPS_EVENT_OPEN_NETWORK "WPS-OPEN-NETWORK "
+
+/* WPS ER events */
+#define WPS_EVENT_ER_AP_ADD "WPS-ER-AP-ADD "
+#define WPS_EVENT_ER_AP_REMOVE "WPS-ER-AP-REMOVE "
+#define WPS_EVENT_ER_ENROLLEE_ADD "WPS-ER-ENROLLEE-ADD "
+#define WPS_EVENT_ER_ENROLLEE_REMOVE "WPS-ER-ENROLLEE-REMOVE "
+#define WPS_EVENT_ER_AP_SETTINGS "WPS-ER-AP-SETTINGS "
+#define WPS_EVENT_ER_SET_SEL_REG "WPS-ER-AP-SET-SEL-REG "
+
+/* MESH events */
+#define MESH_GROUP_STARTED "MESH-GROUP-STARTED "
+#define MESH_GROUP_REMOVED "MESH-GROUP-REMOVED "
+#define MESH_PEER_CONNECTED "MESH-PEER-CONNECTED "
+#define MESH_PEER_DISCONNECTED "MESH-PEER-DISCONNECTED "
+/** Mesh SAE authentication failure. Wrong password suspected. */
+#define MESH_SAE_AUTH_FAILURE "MESH-SAE-AUTH-FAILURE "
+#define MESH_SAE_AUTH_BLOCKED "MESH-SAE-AUTH-BLOCKED "
+
+/* WMM AC events */
+#define WMM_AC_EVENT_TSPEC_ADDED "TSPEC-ADDED "
+#define WMM_AC_EVENT_TSPEC_REMOVED "TSPEC-REMOVED "
+#define WMM_AC_EVENT_TSPEC_REQ_FAILED "TSPEC-REQ-FAILED "
+
+/** P2P device found */
+#define P2P_EVENT_DEVICE_FOUND "P2P-DEVICE-FOUND "
+
+/** P2P device lost */
+#define P2P_EVENT_DEVICE_LOST "P2P-DEVICE-LOST "
+
+/** A P2P device requested GO negotiation, but we were not ready to start the
+ * negotiation */
+#define P2P_EVENT_GO_NEG_REQUEST "P2P-GO-NEG-REQUEST "
+#define P2P_EVENT_GO_NEG_SUCCESS "P2P-GO-NEG-SUCCESS "
+#define P2P_EVENT_GO_NEG_FAILURE "P2P-GO-NEG-FAILURE "
+#define P2P_EVENT_GROUP_FORMATION_SUCCESS "P2P-GROUP-FORMATION-SUCCESS "
+#define P2P_EVENT_GROUP_FORMATION_FAILURE "P2P-GROUP-FORMATION-FAILURE "
+#define P2P_EVENT_GROUP_STARTED "P2P-GROUP-STARTED "
+#define P2P_EVENT_GROUP_REMOVED "P2P-GROUP-REMOVED "
+#define P2P_EVENT_CROSS_CONNECT_ENABLE "P2P-CROSS-CONNECT-ENABLE "
+#define P2P_EVENT_CROSS_CONNECT_DISABLE "P2P-CROSS-CONNECT-DISABLE "
+/* parameters: <peer address> <PIN> */
+#define P2P_EVENT_PROV_DISC_SHOW_PIN "P2P-PROV-DISC-SHOW-PIN "
+/* parameters: <peer address> */
+#define P2P_EVENT_PROV_DISC_ENTER_PIN "P2P-PROV-DISC-ENTER-PIN "
+/* parameters: <peer address> */
+#define P2P_EVENT_PROV_DISC_PBC_REQ "P2P-PROV-DISC-PBC-REQ "
+/* parameters: <peer address> */
+#define P2P_EVENT_PROV_DISC_PBC_RESP "P2P-PROV-DISC-PBC-RESP "
+/* parameters: <peer address> <status> */
+#define P2P_EVENT_PROV_DISC_FAILURE "P2P-PROV-DISC-FAILURE"
+/* parameters: <freq> <src addr> <dialog token> <update indicator> <TLVs> */
+#define P2P_EVENT_SERV_DISC_REQ "P2P-SERV-DISC-REQ "
+/* parameters: <src addr> <update indicator> <TLVs> */
+#define P2P_EVENT_SERV_DISC_RESP "P2P-SERV-DISC-RESP "
+#define P2P_EVENT_SERV_ASP_RESP "P2P-SERV-ASP-RESP "
+#define P2P_EVENT_INVITATION_RECEIVED "P2P-INVITATION-RECEIVED "
+#define P2P_EVENT_INVITATION_RESULT "P2P-INVITATION-RESULT "
+#define P2P_EVENT_INVITATION_ACCEPTED "P2P-INVITATION-ACCEPTED "
+#define P2P_EVENT_FIND_STOPPED "P2P-FIND-STOPPED "
+#define P2P_EVENT_PERSISTENT_PSK_FAIL "P2P-PERSISTENT-PSK-FAIL id="
+#define P2P_EVENT_PRESENCE_RESPONSE "P2P-PRESENCE-RESPONSE "
+#define P2P_EVENT_NFC_BOTH_GO "P2P-NFC-BOTH-GO "
+#define P2P_EVENT_NFC_PEER_CLIENT "P2P-NFC-PEER-CLIENT "
+#define P2P_EVENT_NFC_WHILE_CLIENT "P2P-NFC-WHILE-CLIENT "
+#define P2P_EVENT_FALLBACK_TO_GO_NEG "P2P-FALLBACK-TO-GO-NEG "
+#define P2P_EVENT_FALLBACK_TO_GO_NEG_ENABLED "P2P-FALLBACK-TO-GO-NEG-ENABLED "
+
+/* parameters: <PMF enabled> <timeout in ms> <Session Information URL> */
+#define ESS_DISASSOC_IMMINENT "ESS-DISASSOC-IMMINENT "
+#define P2P_EVENT_REMOVE_AND_REFORM_GROUP "P2P-REMOVE-AND-REFORM-GROUP "
+
+#define P2P_EVENT_P2PS_PROVISION_START "P2PS-PROV-START "
+#define P2P_EVENT_P2PS_PROVISION_DONE "P2PS-PROV-DONE "
+
+#define INTERWORKING_AP "INTERWORKING-AP "
+#define INTERWORKING_BLACKLISTED "INTERWORKING-BLACKLISTED "
+#define INTERWORKING_NO_MATCH "INTERWORKING-NO-MATCH "
+#define INTERWORKING_ALREADY_CONNECTED "INTERWORKING-ALREADY-CONNECTED "
+#define INTERWORKING_SELECTED "INTERWORKING-SELECTED "
+
+/* Credential block added; parameters: <id> */
+#define CRED_ADDED "CRED-ADDED "
+/* Credential block modified; parameters: <id> <field> */
+#define CRED_MODIFIED "CRED-MODIFIED "
+/* Credential block removed; parameters: <id> */
+#define CRED_REMOVED "CRED-REMOVED "
+
+#define GAS_RESPONSE_INFO "GAS-RESPONSE-INFO "
+/* parameters: <addr> <dialog_token> <freq> */
+#define GAS_QUERY_START "GAS-QUERY-START "
+/* parameters: <addr> <dialog_token> <freq> <status_code> <result> */
+#define GAS_QUERY_DONE "GAS-QUERY-DONE "
+
+/* parameters: <addr> <result> */
+#define ANQP_QUERY_DONE "ANQP-QUERY-DONE "
+
+#define RX_ANQP "RX-ANQP "
+#define RX_HS20_ANQP "RX-HS20-ANQP "
+#define RX_HS20_ANQP_ICON "RX-HS20-ANQP-ICON "
+#define RX_HS20_ICON "RX-HS20-ICON "
+
+#define HS20_SUBSCRIPTION_REMEDIATION "HS20-SUBSCRIPTION-REMEDIATION "
+#define HS20_DEAUTH_IMMINENT_NOTICE "HS20-DEAUTH-IMMINENT-NOTICE "
+
+#define EXT_RADIO_WORK_START "EXT-RADIO-WORK-START "
+#define EXT_RADIO_WORK_TIMEOUT "EXT-RADIO-WORK-TIMEOUT "
+
+#define RRM_EVENT_NEIGHBOR_REP_RXED "RRM-NEIGHBOR-REP-RECEIVED "
+#define RRM_EVENT_NEIGHBOR_REP_FAILED "RRM-NEIGHBOR-REP-REQUEST-FAILED "
+
+/* hostapd control interface - fixed message prefixes */
+#define WPS_EVENT_PIN_NEEDED "WPS-PIN-NEEDED "
+#define WPS_EVENT_NEW_AP_SETTINGS "WPS-NEW-AP-SETTINGS "
+#define WPS_EVENT_REG_SUCCESS "WPS-REG-SUCCESS "
+#define WPS_EVENT_AP_SETUP_LOCKED "WPS-AP-SETUP-LOCKED "
+#define WPS_EVENT_AP_SETUP_UNLOCKED "WPS-AP-SETUP-UNLOCKED "
+#define WPS_EVENT_AP_PIN_ENABLED "WPS-AP-PIN-ENABLED "
+#define WPS_EVENT_AP_PIN_DISABLED "WPS-AP-PIN-DISABLED "
+#define AP_STA_CONNECTED "AP-STA-CONNECTED "
+#define AP_STA_DISCONNECTED "AP-STA-DISCONNECTED "
+#define AP_STA_POSSIBLE_PSK_MISMATCH "AP-STA-POSSIBLE-PSK-MISMATCH "
+#define AP_STA_POLL_OK "AP-STA-POLL-OK "
+
+#define AP_REJECTED_MAX_STA "AP-REJECTED-MAX-STA "
+#define AP_REJECTED_BLOCKED_STA "AP-REJECTED-BLOCKED-STA "
+
+#define AP_EVENT_ENABLED "AP-ENABLED "
+#define AP_EVENT_DISABLED "AP-DISABLED "
+
+#define INTERFACE_ENABLED "INTERFACE-ENABLED "
+#define INTERFACE_DISABLED "INTERFACE-DISABLED "
+
+#define ACS_EVENT_STARTED "ACS-STARTED "
+#define ACS_EVENT_COMPLETED "ACS-COMPLETED "
+#define ACS_EVENT_FAILED "ACS-FAILED "
+
+#define DFS_EVENT_RADAR_DETECTED "DFS-RADAR-DETECTED "
+#define DFS_EVENT_NEW_CHANNEL "DFS-NEW-CHANNEL "
+#define DFS_EVENT_CAC_START "DFS-CAC-START "
+#define DFS_EVENT_CAC_COMPLETED "DFS-CAC-COMPLETED "
+#define DFS_EVENT_NOP_FINISHED "DFS-NOP-FINISHED "
+
+#define AP_CSA_FINISHED "AP-CSA-FINISHED "
+
+#define P2P_EVENT_LISTEN_OFFLOAD_STOP "P2P-LISTEN-OFFLOAD-STOPPED "
+#define P2P_LISTEN_OFFLOAD_STOP_REASON "P2P-LISTEN-OFFLOAD-STOP-REASON "
+
+/* BSS Transition Management Response frame received */
+#define BSS_TM_RESP "BSS-TM-RESP "
+
+/* MBO IE with cellular data connection preference received */
+#define MBO_CELL_PREFERENCE "MBO-CELL-PREFERENCE "
+
+/* BSS Transition Management Request received with MBO transition reason */
+#define MBO_TRANSITION_REASON "MBO-TRANSITION-REASON "
+
+/* BSS command information masks */
+
+#define WPA_BSS_MASK_ALL 0xFFFDFFFF
+#define WPA_BSS_MASK_ID BIT(0)
+#define WPA_BSS_MASK_BSSID BIT(1)
+#define WPA_BSS_MASK_FREQ BIT(2)
+#define WPA_BSS_MASK_BEACON_INT BIT(3)
+#define WPA_BSS_MASK_CAPABILITIES BIT(4)
+#define WPA_BSS_MASK_QUAL BIT(5)
+#define WPA_BSS_MASK_NOISE BIT(6)
+#define WPA_BSS_MASK_LEVEL BIT(7)
+#define WPA_BSS_MASK_TSF BIT(8)
+#define WPA_BSS_MASK_AGE BIT(9)
+#define WPA_BSS_MASK_IE BIT(10)
+#define WPA_BSS_MASK_FLAGS BIT(11)
+#define WPA_BSS_MASK_SSID BIT(12)
+#define WPA_BSS_MASK_WPS_SCAN BIT(13)
+#define WPA_BSS_MASK_P2P_SCAN BIT(14)
+#define WPA_BSS_MASK_INTERNETW BIT(15)
+#define WPA_BSS_MASK_WIFI_DISPLAY BIT(16)
+#define WPA_BSS_MASK_DELIM BIT(17)
+#define WPA_BSS_MASK_MESH_SCAN BIT(18)
+#define WPA_BSS_MASK_SNR BIT(19)
+#define WPA_BSS_MASK_EST_THROUGHPUT BIT(20)
+#define WPA_BSS_MASK_FST BIT(21)
+
+
+/* VENDOR_ELEM_* frame id values */
+enum wpa_vendor_elem_frame {
+ VENDOR_ELEM_PROBE_REQ_P2P = 0,
+ VENDOR_ELEM_PROBE_RESP_P2P = 1,
+ VENDOR_ELEM_PROBE_RESP_P2P_GO = 2,
+ VENDOR_ELEM_BEACON_P2P_GO = 3,
+ VENDOR_ELEM_P2P_PD_REQ = 4,
+ VENDOR_ELEM_P2P_PD_RESP = 5,
+ VENDOR_ELEM_P2P_GO_NEG_REQ = 6,
+ VENDOR_ELEM_P2P_GO_NEG_RESP = 7,
+ VENDOR_ELEM_P2P_GO_NEG_CONF = 8,
+ VENDOR_ELEM_P2P_INV_REQ = 9,
+ VENDOR_ELEM_P2P_INV_RESP = 10,
+ VENDOR_ELEM_P2P_ASSOC_REQ = 11,
+ VENDOR_ELEM_P2P_ASSOC_RESP = 12,
+ VENDOR_ELEM_ASSOC_REQ = 13,
+ VENDOR_ELEM_PROBE_REQ = 14,
+ NUM_VENDOR_ELEM_FRAMES
+};
+
+
+/* wpa_supplicant/hostapd control interface access */
+
+/**
+ * wpa_ctrl_open - Open a control interface to wpa_supplicant/hostapd
+ * @ctrl_path: Path for UNIX domain sockets; ignored if UDP sockets are used.
+ * Returns: Pointer to abstract control interface data or %NULL on failure
+ *
+ * This function is used to open a control interface to wpa_supplicant/hostapd.
+ * ctrl_path is usually /var/run/wpa_supplicant or /var/run/hostapd. This path
+ * is configured in wpa_supplicant/hostapd and other programs using the control
+ * interface need to use matching path configuration.
+ */
+struct wpa_ctrl * wpa_ctrl_open(const char *ctrl_path);
+
+/**
+ * wpa_ctrl_open2 - Open a control interface to wpa_supplicant/hostapd
+ * @ctrl_path: Path for UNIX domain sockets; ignored if UDP sockets are used.
+ * @cli_path: Path for client UNIX domain sockets; ignored if UDP socket
+ * is used.
+ * Returns: Pointer to abstract control interface data or %NULL on failure
+ *
+ * This function is used to open a control interface to wpa_supplicant/hostapd
+ * when the socket path for client need to be specified explicitly. Default
+ * ctrl_path is usually /var/run/wpa_supplicant or /var/run/hostapd and client
+ * socket path is /tmp.
+ */
+struct wpa_ctrl * wpa_ctrl_open2(const char *ctrl_path, const char *cli_path);
+
+
+/**
+ * wpa_ctrl_close - Close a control interface to wpa_supplicant/hostapd
+ * @ctrl: Control interface data from wpa_ctrl_open()
+ *
+ * This function is used to close a control interface.
+ */
+void wpa_ctrl_close(struct wpa_ctrl *ctrl);
+
+
+/**
+ * wpa_ctrl_request - Send a command to wpa_supplicant/hostapd
+ * @ctrl: Control interface data from wpa_ctrl_open()
+ * @cmd: Command; usually, ASCII text, e.g., "PING"
+ * @cmd_len: Length of the cmd in bytes
+ * @reply: Buffer for the response
+ * @reply_len: Reply buffer length
+ * @msg_cb: Callback function for unsolicited messages or %NULL if not used
+ * Returns: 0 on success, -1 on error (send or receive failed), -2 on timeout
+ *
+ * This function is used to send commands to wpa_supplicant/hostapd. Received
+ * response will be written to reply and reply_len is set to the actual length
+ * of the reply. This function will block for up to two seconds while waiting
+ * for the reply. If unsolicited messages are received, the blocking time may
+ * be longer.
+ *
+ * msg_cb can be used to register a callback function that will be called for
+ * unsolicited messages received while waiting for the command response. These
+ * messages may be received if wpa_ctrl_request() is called at the same time as
+ * wpa_supplicant/hostapd is sending such a message. This can happen only if
+ * the program has used wpa_ctrl_attach() to register itself as a monitor for
+ * event messages. Alternatively to msg_cb, programs can register two control
+ * interface connections and use one of them for commands and the other one for
+ * receiving event messages, in other words, call wpa_ctrl_attach() only for
+ * the control interface connection that will be used for event messages.
+ */
+int wpa_ctrl_request(struct wpa_ctrl *ctrl, const char *cmd, size_t cmd_len,
+ char *reply, size_t *reply_len,
+ void (*msg_cb)(char *msg, size_t len));
+
+
+/**
+ * wpa_ctrl_attach - Register as an event monitor for the control interface
+ * @ctrl: Control interface data from wpa_ctrl_open()
+ * Returns: 0 on success, -1 on failure, -2 on timeout
+ *
+ * This function registers the control interface connection as a monitor for
+ * wpa_supplicant/hostapd events. After a success wpa_ctrl_attach() call, the
+ * control interface connection starts receiving event messages that can be
+ * read with wpa_ctrl_recv().
+ */
+int wpa_ctrl_attach(struct wpa_ctrl *ctrl);
+
+
+/**
+ * wpa_ctrl_detach - Unregister event monitor from the control interface
+ * @ctrl: Control interface data from wpa_ctrl_open()
+ * Returns: 0 on success, -1 on failure, -2 on timeout
+ *
+ * This function unregisters the control interface connection as a monitor for
+ * wpa_supplicant/hostapd events, i.e., cancels the registration done with
+ * wpa_ctrl_attach().
+ */
+int wpa_ctrl_detach(struct wpa_ctrl *ctrl);
+
+
+/**
+ * wpa_ctrl_recv - Receive a pending control interface message
+ * @ctrl: Control interface data from wpa_ctrl_open()
+ * @reply: Buffer for the message data
+ * @reply_len: Length of the reply buffer
+ * Returns: 0 on success, -1 on failure
+ *
+ * This function will receive a pending control interface message. The received
+ * response will be written to reply and reply_len is set to the actual length
+ * of the reply.
+
+ * wpa_ctrl_recv() is only used for event messages, i.e., wpa_ctrl_attach()
+ * must have been used to register the control interface as an event monitor.
+ */
+int wpa_ctrl_recv(struct wpa_ctrl *ctrl, char *reply, size_t *reply_len);
+
+
+/**
+ * wpa_ctrl_pending - Check whether there are pending event messages
+ * @ctrl: Control interface data from wpa_ctrl_open()
+ * Returns: 1 if there are pending messages, 0 if no, or -1 on error
+ *
+ * This function will check whether there are any pending control interface
+ * message available to be received with wpa_ctrl_recv(). wpa_ctrl_pending() is
+ * only used for event messages, i.e., wpa_ctrl_attach() must have been used to
+ * register the control interface as an event monitor.
+ */
+int wpa_ctrl_pending(struct wpa_ctrl *ctrl);
+
+
+/**
+ * wpa_ctrl_get_fd - Get file descriptor used by the control interface
+ * @ctrl: Control interface data from wpa_ctrl_open()
+ * Returns: File descriptor used for the connection
+ *
+ * This function can be used to get the file descriptor that is used for the
+ * control interface connection. The returned value can be used, e.g., with
+ * select() while waiting for multiple events.
+ *
+ * The returned file descriptor must not be used directly for sending or
+ * receiving packets; instead, the library functions wpa_ctrl_request() and
+ * wpa_ctrl_recv() must be used for this.
+ */
+int wpa_ctrl_get_fd(struct wpa_ctrl *ctrl);
+
+#ifdef ANDROID
+/**
+ * wpa_ctrl_cleanup() - Delete any local UNIX domain socket files that
+ * may be left over from clients that were previously connected to
+ * wpa_supplicant. This keeps these files from being orphaned in the
+ * event of crashes that prevented them from being removed as part
+ * of the normal orderly shutdown.
+ */
+void wpa_ctrl_cleanup(void);
+#endif /* ANDROID */
+
+#ifdef CONFIG_CTRL_IFACE_UDP
+/* Port range for multiple wpa_supplicant instances and multiple VIFs */
+#define WPA_CTRL_IFACE_PORT 9877
+#define WPA_CTRL_IFACE_PORT_LIMIT 50 /* decremented from start */
+#define WPA_GLOBAL_CTRL_IFACE_PORT 9878
+#define WPA_GLOBAL_CTRL_IFACE_PORT_LIMIT 20 /* incremented from start */
+
+char * wpa_ctrl_get_remote_ifname(struct wpa_ctrl *ctrl);
+#endif /* CONFIG_CTRL_IFACE_UDP */
+
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* WPA_CTRL_H */