MdePkg/Include/Protocol/EapManagement.h - third_party/edk2 - Git at Google

 /** @file
   EFI EAP Management Protocol Definition
   The EFI EAP Management Protocol is designed to provide ease of management and
   ease of test for EAPOL state machine. It is intended for the supplicant side.
   It conforms to IEEE 802.1x specification.
   The definitions in this file are defined in UEFI Specification 2.2, which have
   not been verified by one implementation yet.

   Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
   This program and the accompanying materials
   are licensed and made available under the terms and conditions of the BSD License
   which accompanies this distribution.  The full text of the license may be found at
   http://opensource.org/licenses/bsd-license.php

   THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
   WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

   @par Revision Reference:
   This Protocol is introduced in UEFI Specification 2.2

 **/

 #ifndef __EFI_EAP_MANAGEMENT_PROTOCOL_H__
 #define __EFI_EAP_MANAGEMENT_PROTOCOL_H__

 #include <Protocol/Eap.h>

 #define EFI_EAP_MANAGEMENT_PROTOCOL_GUID \
   { \
     0xbb62e663, 0x625d, 0x40b2, {0xa0, 0x88, 0xbb, 0xe8, 0x36, 0x23, 0xa2, 0x45 } \
   }

 typedef struct _EFI_EAP_MANAGEMENT_PROTOCOL EFI_EAP_MANAGEMENT_PROTOCOL;

 ///
 /// PAE Capabilities
 ///
 ///@{
 #define PAE_SUPPORT_AUTHENTICATOR       0x01
 #define PAE_SUPPORT_SUPPLICANT          0x02
 ///@}

 ///
 /// EFI_EAPOL_PORT_INFO
 ///
 typedef struct _EFI_EAPOL_PORT_INFO {
   ///
   /// The identification number assigned to the Port by the System in
   /// which the Port resides.
   ///
   EFI_PORT_HANDLE     PortNumber;
   ///
   /// The protocol version number of the EAPOL implementation
   /// supported by the Port.
   ///
   UINT8               ProtocolVersion;
   ///
   /// The capabilities of the PAE associated with the Port. This field
   /// indicates whether Authenticator functionality, Supplicant
   /// functionality, both, or neither, is supported by the Port's PAE.
   ///
   UINT8               PaeCapabilities;
 } EFI_EAPOL_PORT_INFO;

 ///
 /// Supplicant PAE state machine (IEEE Std 802.1X Section 8.5.10)
 ///
 typedef enum _EFI_EAPOL_SUPPLICANT_PAE_STATE {
   Logoff,
   Disconnected,
   Connecting,
   Acquired,
   Authenticating,
   Held,
   Authenticated,
   MaxSupplicantPaeState
 } EFI_EAPOL_SUPPLICANT_PAE_STATE;

 ///
 /// Definitions for ValidFieldMask
 ///
 ///@{
 #define AUTH_PERIOD_FIELD_VALID       0x01
 #define HELD_PERIOD_FIELD_VALID       0x02
 #define START_PERIOD_FIELD_VALID      0x04
 #define MAX_START_FIELD_VALID         0x08
 ///@}

 ///
 /// EFI_EAPOL_SUPPLICANT_PAE_CONFIGURATION
 ///
 typedef struct _EFI_EAPOL_SUPPLICANT_PAE_CONFIGURATION {
   ///
   /// Indicates which of the following fields are valid.
   ///
   UINT8       ValidFieldMask;
   ///
   /// The initial value for the authWhile timer. Its default value is 30s.
   ///
   UINTN       AuthPeriod;
   ///
   /// The initial value for the heldWhile timer. Its default value is 60s.
   ///
   UINTN       HeldPeriod;
   ///
   /// The initial value for the startWhen timer. Its default value is 30s.
   ///
   UINTN       StartPeriod;
   ///
   /// The maximum number of successive EAPOL-Start messages will
   /// be sent before the Supplicant assumes that there is no
   /// Authenticator present. Its default value is 3.
   ///
   UINTN       MaxStart;
 } EFI_EAPOL_SUPPLICANT_PAE_CONFIGURATION;

 ///
 /// Supplicant Statistics (IEEE Std 802.1X Section 9.5.2)
 ///
 typedef struct _EFI_EAPOL_SUPPLICANT_PAE_STATISTICS {
   ///
   /// The number of EAPOL frames of any type that have been received by this Supplican.
   ///
   UINTN     EapolFramesReceived;
   ///
   /// The number of EAPOL frames of any type that have been transmitted by this Supplicant.
   ///
   UINTN     EapolFramesTransmitted;
   ///
   /// The number of EAPOL Start frames that have been transmitted by this Supplicant.
   ///
   UINTN     EapolStartFramesTransmitted;
   ///
   /// The number of EAPOL Logoff frames that have been transmitted by this Supplicant.
   ///
   UINTN     EapolLogoffFramesTransmitted;
   ///
   /// The number of EAP Resp/Id frames that have been transmitted by this Supplicant.
   ///
   UINTN     EapRespIdFramesTransmitted;
   ///
   /// The number of valid EAP Response frames (other than Resp/Id frames) that have been
   /// transmitted by this Supplicant.
   ///
   UINTN     EapResponseFramesTransmitted;
   ///
   /// The number of EAP Req/Id frames that have been received by this Supplicant.
   ///
   UINTN     EapReqIdFramesReceived;
   ///
   /// The number of EAP Request frames (other than Rq/Id frames) that have been received
   /// by this Supplicant.
   ///
   UINTN     EapRequestFramesReceived;
   ///
   /// The number of EAPOL frames that have been received by this Supplicant in which the
   /// frame type is not recognized.
   ///
   UINTN     InvalidEapolFramesReceived;
   ///
   /// The number of EAPOL frames that have been received by this Supplicant in which the
   /// Packet Body Length field (7.5.5) is invalid.
   ///
   UINTN     EapLengthErrorFramesReceived;
   ///
   /// The protocol version number carried in the most recently received EAPOL frame.
   ///
   UINTN     LastEapolFrameVersion;
   ///
   /// The source MAC address carried in the most recently received EAPOL frame.
   ///
   UINTN     LastEapolFrameSource;
 } EFI_EAPOL_SUPPLICANT_PAE_STATISTICS;

 /**
   Read the system configuration information associated with the Port.

   The GetSystemConfiguration() function reads the system configuration
   information associated with the Port, including the value of the
   SystemAuthControl parameter of the System is returned in SystemAuthControl
   and the Port's information is returned in the buffer pointed to by PortInfo.
   The Port's information is optional.
   If PortInfo is NULL, then reading the Port's information is ignored.

   If SystemAuthControl is NULL, then EFI_INVALID_PARAMETER is returned.

   @param[in]  This               A pointer to the EFI_EAP_MANAGEMENT_PROTOCOL
                                  instance that indicates the calling context.
   @param[out] SystemAuthControl  Returns the value of the SystemAuthControl
                                  parameter of the System.
                                  TRUE means Enabled. FALSE means Disabled.
   @param[out] PortInfo           Returns EFI_EAPOL_PORT_INFO structure to describe
                                  the Port's information. This parameter can be NULL
                                  to ignore reading the Port's information.

   @retval EFI_SUCCESS            The system configuration information of the
                                  Port is read successfully.
   @retval EFI_INVALID_PARAMETER  SystemAuthControl is NULL.


 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_EAP_GET_SYSTEM_CONFIGURATION)(
   IN EFI_EAP_MANAGEMENT_PROTOCOL          *This,
   OUT BOOLEAN                             *SystemAuthControl,
   OUT EFI_EAPOL_PORT_INFO                 *PortInfo OPTIONAL
   );

 /**
   Set the system configuration information associated with the Port.

   The SetSystemConfiguration() function sets the value of the SystemAuthControl
   parameter of the System to SystemAuthControl.

   @param[in] This                A pointer to the EFI_EAP_MANAGEMENT_PROTOCOL
                                  instance that indicates the calling context.
   @param[in] SystemAuthControl   The desired value of the SystemAuthControl
                                  parameter of the System.
                                  TRUE means Enabled. FALSE means Disabled.

   @retval EFI_SUCCESS            The system configuration information of the
                                  Port is set successfully.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_EAP_SET_SYSTEM_CONFIGURATION)(
   IN EFI_EAP_MANAGEMENT_PROTOCOL          *This,
   IN BOOLEAN                              SystemAuthControl
   );

 /**
   Cause the EAPOL state machines for the Port to be initialized.

   The InitializePort() function causes the EAPOL state machines for the Port.

   @param[in] This                A pointer to the EFI_EAP_MANAGEMENT_PROTOCOL
                                  instance that indicates the calling context.

   @retval EFI_SUCCESS            The Port is initialized successfully.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_EAP_INITIALIZE_PORT)(
   IN EFI_EAP_MANAGEMENT_PROTOCOL            *This
   );

 /**
   Notify the EAPOL state machines for the Port that the user of the System has
   logged on.

   The UserLogon() function notifies the EAPOL state machines for the Port.

   @param[in] This                A pointer to the EFI_EAP_MANAGEMENT_PROTOCOL
                                  instance that indicates the calling context.

   @retval EFI_SUCCESS            The Port is notified successfully.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_EAP_USER_LOGON)(
   IN EFI_EAP_MANAGEMENT_PROTOCOL          *This
   );

 /**
   Notify the EAPOL state machines for the Port that the user of the System has
   logged off.

   The UserLogoff() function notifies the EAPOL state machines for the Port.

   @param[in] This                A pointer to the EFI_EAP_MANAGEMENT_PROTOCOL
                                  instance that indicates the calling context.

   @retval EFI_SUCCESS            The Port is notified successfully.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_EAP_USER_LOGOFF)(
   IN EFI_EAP_MANAGEMENT_PROTOCOL          *This
   );

 /**
   Read the status of the Supplicant PAE state machine for the Port, including the
   current state and the configuration of the operational parameters.

   The GetSupplicantStatus() function reads the status of the Supplicant PAE state
   machine for the Port, including the current state CurrentState  and the configuration
   of the operational parameters Configuration. The configuration of the operational
   parameters is optional. If Configuration is NULL, then reading the configuration
   is ignored. The operational parameters in Configuration to be read can also be
   specified by Configuration.ValidFieldMask.

   If CurrentState is NULL, then EFI_INVALID_PARAMETER is returned.

   @param[in]      This           A pointer to the EFI_EAP_MANAGEMENT_PROTOCOL
                                  instance that indicates the calling context.
   @param[out]     CurrentState   Returns the current state of the Supplicant PAE
                                  state machine for the Port.
   @param[in, out] Configuration  Returns the configuration of the operational
                                  parameters of the Supplicant PAE state machine
                                  for the Port as required. This parameter can be
                                  NULL to ignore reading the configuration.
                                  On input, Configuration.ValidFieldMask specifies the
                                  operational parameters to be read.
                                  On output, Configuration returns the configuration
                                  of the required operational parameters.

   @retval EFI_SUCCESS            The configuration of the operational parameter
                                  of the Supplicant PAE state machine for the Port
                                  is set successfully.
   @retval EFI_INVALID_PARAMETER  CurrentState is NULL.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_EAP_GET_SUPPLICANT_STATUS)(
   IN EFI_EAP_MANAGEMENT_PROTOCOL                  *This,
   OUT EFI_EAPOL_SUPPLICANT_PAE_STATE              *CurrentState,
   IN OUT EFI_EAPOL_SUPPLICANT_PAE_CONFIGURATION   *Configuration  OPTIONAL
   );

 /**
   Set the configuration of the operational parameter of the Supplicant PAE
   state machine for the Port.

   The SetSupplicantConfiguration() function sets the configuration of the
   operational Parameter of the Supplicant PAE state machine for the Port to
   Configuration. The operational parameters in Configuration to be set can be
   specified by Configuration.ValidFieldMask.

   If Configuration is NULL, then EFI_INVALID_PARAMETER is returned.

   @param[in] This                A pointer to the EFI_EAP_MANAGEMENT_PROTOCOL
                                  instance that indicates the calling context.
   @param[in] Configuration       The desired configuration of the operational
                                  parameters of the Supplicant PAE state machine
                                  for the Port as required.

   @retval EFI_SUCCESS            The configuration of the operational parameter
                                  of the Supplicant PAE state machine for the Port
                                  is set successfully.
   @retval EFI_INVALID_PARAMETER  Configuration is NULL.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_EAP_SET_SUPPLICANT_CONFIGURATION)(
   IN EFI_EAP_MANAGEMENT_PROTOCOL              *This,
   IN EFI_EAPOL_SUPPLICANT_PAE_CONFIGURATION   *Configuration
   );

 /**
   Read the statistical information regarding the operation of the Supplicant
   associated with the Port.

   The GetSupplicantStatistics() function reads the statistical information
   Statistics regarding the operation of the Supplicant associated with the Port.

   If Statistics is NULL, then EFI_INVALID_PARAMETER is returned.

   @param[in]  This               A pointer to the EFI_EAP_MANAGEMENT_PROTOCOL
                                  instance that indicates the calling context.
   @param[out] Statistics         Returns the statistical information regarding the
                                  operation of the Supplicant for the Port.

   @retval EFI_SUCCESS            The statistical information regarding the operation
                                  of the Supplicant for the Port is read successfully.
   @retval EFI_INVALID_PARAMETER  Statistics is NULL.

 **/
 typedef
 EFI_STATUS
 (EFIAPI *EFI_EAP_GET_SUPPLICANT_STATISTICS)(
   IN EFI_EAP_MANAGEMENT_PROTOCOL              *This,
   OUT EFI_EAPOL_SUPPLICANT_PAE_STATISTICS     *Statistics
   );

 ///
 /// EFI_EAP_MANAGEMENT_PROTOCOL
 /// is used to control, configure and monitor EAPOL state machine on
 /// a Port. EAPOL state machine is built on a per-Port basis. Herein,
 /// a Port means a NIC. For the details of EAPOL, please refer to
 /// IEEE 802.1x specification.
 ///
 struct _EFI_EAP_MANAGEMENT_PROTOCOL {
   EFI_EAP_GET_SYSTEM_CONFIGURATION        GetSystemConfiguration;
   EFI_EAP_SET_SYSTEM_CONFIGURATION        SetSystemConfiguration;
   EFI_EAP_INITIALIZE_PORT                 InitializePort;
   EFI_EAP_USER_LOGON                      UserLogon;
   EFI_EAP_USER_LOGOFF                     UserLogoff;
   EFI_EAP_GET_SUPPLICANT_STATUS           GetSupplicantStatus;
   EFI_EAP_SET_SUPPLICANT_CONFIGURATION    SetSupplicantConfiguration;
   EFI_EAP_GET_SUPPLICANT_STATISTICS       GetSupplicantStatistics;
 };

 extern EFI_GUID gEfiEapManagementProtocolGuid;

 #endif
	/** @file
	EFI EAP Management Protocol Definition
	The EFI EAP Management Protocol is designed to provide ease of management and
	ease of test for EAPOL state machine. It is intended for the supplicant side.
	It conforms to IEEE 802.1x specification.
	The definitions in this file are defined in UEFI Specification 2.2, which have
	not been verified by one implementation yet.

	Copyright (c) 2009 - 2018, Intel Corporation. All rights reserved.<BR>
	This program and the accompanying materials
	are licensed and made available under the terms and conditions of the BSD License
	which accompanies this distribution. The full text of the license may be found at
	http://opensource.org/licenses/bsd-license.php

	THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
	WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

	@par Revision Reference:
	This Protocol is introduced in UEFI Specification 2.2

	**/

	#ifndef __EFI_EAP_MANAGEMENT_PROTOCOL_H__
	#define __EFI_EAP_MANAGEMENT_PROTOCOL_H__

	#include <Protocol/Eap.h>

	#define EFI_EAP_MANAGEMENT_PROTOCOL_GUID \
	{ \
	0xbb62e663, 0x625d, 0x40b2, {0xa0, 0x88, 0xbb, 0xe8, 0x36, 0x23, 0xa2, 0x45 } \
	}

	typedef struct _EFI_EAP_MANAGEMENT_PROTOCOL EFI_EAP_MANAGEMENT_PROTOCOL;

	///
	/// PAE Capabilities
	///
	///@{
	#define PAE_SUPPORT_AUTHENTICATOR 0x01
	#define PAE_SUPPORT_SUPPLICANT 0x02
	///@}

	///
	/// EFI_EAPOL_PORT_INFO
	///
	typedef struct _EFI_EAPOL_PORT_INFO {
	///
	/// The identification number assigned to the Port by the System in
	/// which the Port resides.
	///
	EFI_PORT_HANDLE PortNumber;
	///
	/// The protocol version number of the EAPOL implementation
	/// supported by the Port.
	///
	UINT8 ProtocolVersion;
	///
	/// The capabilities of the PAE associated with the Port. This field
	/// indicates whether Authenticator functionality, Supplicant
	/// functionality, both, or neither, is supported by the Port's PAE.
	///
	UINT8 PaeCapabilities;
	} EFI_EAPOL_PORT_INFO;

	///
	/// Supplicant PAE state machine (IEEE Std 802.1X Section 8.5.10)
	///
	typedef enum _EFI_EAPOL_SUPPLICANT_PAE_STATE {
	Logoff,
	Disconnected,
	Connecting,
	Acquired,
	Authenticating,
	Held,
	Authenticated,
	MaxSupplicantPaeState
	} EFI_EAPOL_SUPPLICANT_PAE_STATE;

	///
	/// Definitions for ValidFieldMask
	///
	///@{
	#define AUTH_PERIOD_FIELD_VALID 0x01
	#define HELD_PERIOD_FIELD_VALID 0x02
	#define START_PERIOD_FIELD_VALID 0x04
	#define MAX_START_FIELD_VALID 0x08
	///@}

	///
	/// EFI_EAPOL_SUPPLICANT_PAE_CONFIGURATION
	///
	typedef struct _EFI_EAPOL_SUPPLICANT_PAE_CONFIGURATION {
	///
	/// Indicates which of the following fields are valid.
	///
	UINT8 ValidFieldMask;
	///
	/// The initial value for the authWhile timer. Its default value is 30s.
	///
	UINTN AuthPeriod;
	///
	/// The initial value for the heldWhile timer. Its default value is 60s.
	///
	UINTN HeldPeriod;
	///
	/// The initial value for the startWhen timer. Its default value is 30s.
	///
	UINTN StartPeriod;
	///
	/// The maximum number of successive EAPOL-Start messages will
	/// be sent before the Supplicant assumes that there is no
	/// Authenticator present. Its default value is 3.
	///
	UINTN MaxStart;
	} EFI_EAPOL_SUPPLICANT_PAE_CONFIGURATION;

	///
	/// Supplicant Statistics (IEEE Std 802.1X Section 9.5.2)
	///
	typedef struct _EFI_EAPOL_SUPPLICANT_PAE_STATISTICS {
	///
	/// The number of EAPOL frames of any type that have been received by this Supplican.
	///
	UINTN EapolFramesReceived;
	///
	/// The number of EAPOL frames of any type that have been transmitted by this Supplicant.
	///
	UINTN EapolFramesTransmitted;
	///
	/// The number of EAPOL Start frames that have been transmitted by this Supplicant.
	///
	UINTN EapolStartFramesTransmitted;
	///
	/// The number of EAPOL Logoff frames that have been transmitted by this Supplicant.
	///
	UINTN EapolLogoffFramesTransmitted;
	///
	/// The number of EAP Resp/Id frames that have been transmitted by this Supplicant.
	///
	UINTN EapRespIdFramesTransmitted;
	///
	/// The number of valid EAP Response frames (other than Resp/Id frames) that have been
	/// transmitted by this Supplicant.
	///
	UINTN EapResponseFramesTransmitted;
	///
	/// The number of EAP Req/Id frames that have been received by this Supplicant.
	///
	UINTN EapReqIdFramesReceived;
	///
	/// The number of EAP Request frames (other than Rq/Id frames) that have been received
	/// by this Supplicant.
	///
	UINTN EapRequestFramesReceived;
	///
	/// The number of EAPOL frames that have been received by this Supplicant in which the
	/// frame type is not recognized.
	///
	UINTN InvalidEapolFramesReceived;
	///
	/// The number of EAPOL frames that have been received by this Supplicant in which the
	/// Packet Body Length field (7.5.5) is invalid.
	///
	UINTN EapLengthErrorFramesReceived;
	///
	/// The protocol version number carried in the most recently received EAPOL frame.
	///
	UINTN LastEapolFrameVersion;
	///
	/// The source MAC address carried in the most recently received EAPOL frame.
	///
	UINTN LastEapolFrameSource;
	} EFI_EAPOL_SUPPLICANT_PAE_STATISTICS;

	/**
	Read the system configuration information associated with the Port.

	The GetSystemConfiguration() function reads the system configuration
	information associated with the Port, including the value of the
	SystemAuthControl parameter of the System is returned in SystemAuthControl
	and the Port's information is returned in the buffer pointed to by PortInfo.
	The Port's information is optional.
	If PortInfo is NULL, then reading the Port's information is ignored.

	If SystemAuthControl is NULL, then EFI_INVALID_PARAMETER is returned.

	@param[in] This A pointer to the EFI_EAP_MANAGEMENT_PROTOCOL
	instance that indicates the calling context.
	@param[out] SystemAuthControl Returns the value of the SystemAuthControl
	parameter of the System.
	TRUE means Enabled. FALSE means Disabled.
	@param[out] PortInfo Returns EFI_EAPOL_PORT_INFO structure to describe
	the Port's information. This parameter can be NULL
	to ignore reading the Port's information.

	@retval EFI_SUCCESS The system configuration information of the
	Port is read successfully.
	@retval EFI_INVALID_PARAMETER SystemAuthControl is NULL.


	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_EAP_GET_SYSTEM_CONFIGURATION)(
	IN EFI_EAP_MANAGEMENT_PROTOCOL *This,
	OUT BOOLEAN *SystemAuthControl,
	OUT EFI_EAPOL_PORT_INFO *PortInfo OPTIONAL
	);

	/**
	Set the system configuration information associated with the Port.

	The SetSystemConfiguration() function sets the value of the SystemAuthControl
	parameter of the System to SystemAuthControl.

	@param[in] This A pointer to the EFI_EAP_MANAGEMENT_PROTOCOL
	instance that indicates the calling context.
	@param[in] SystemAuthControl The desired value of the SystemAuthControl
	parameter of the System.
	TRUE means Enabled. FALSE means Disabled.

	@retval EFI_SUCCESS The system configuration information of the
	Port is set successfully.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_EAP_SET_SYSTEM_CONFIGURATION)(
	IN EFI_EAP_MANAGEMENT_PROTOCOL *This,
	IN BOOLEAN SystemAuthControl
	);

	/**
	Cause the EAPOL state machines for the Port to be initialized.

	The InitializePort() function causes the EAPOL state machines for the Port.

	@param[in] This A pointer to the EFI_EAP_MANAGEMENT_PROTOCOL
	instance that indicates the calling context.

	@retval EFI_SUCCESS The Port is initialized successfully.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_EAP_INITIALIZE_PORT)(
	IN EFI_EAP_MANAGEMENT_PROTOCOL *This
	);

	/**
	Notify the EAPOL state machines for the Port that the user of the System has
	logged on.

	The UserLogon() function notifies the EAPOL state machines for the Port.

	@param[in] This A pointer to the EFI_EAP_MANAGEMENT_PROTOCOL
	instance that indicates the calling context.

	@retval EFI_SUCCESS The Port is notified successfully.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_EAP_USER_LOGON)(
	IN EFI_EAP_MANAGEMENT_PROTOCOL *This
	);

	/**
	Notify the EAPOL state machines for the Port that the user of the System has
	logged off.

	The UserLogoff() function notifies the EAPOL state machines for the Port.

	@param[in] This A pointer to the EFI_EAP_MANAGEMENT_PROTOCOL
	instance that indicates the calling context.

	@retval EFI_SUCCESS The Port is notified successfully.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_EAP_USER_LOGOFF)(
	IN EFI_EAP_MANAGEMENT_PROTOCOL *This
	);

	/**
	Read the status of the Supplicant PAE state machine for the Port, including the
	current state and the configuration of the operational parameters.

	The GetSupplicantStatus() function reads the status of the Supplicant PAE state
	machine for the Port, including the current state CurrentState and the configuration
	of the operational parameters Configuration. The configuration of the operational
	parameters is optional. If Configuration is NULL, then reading the configuration
	is ignored. The operational parameters in Configuration to be read can also be
	specified by Configuration.ValidFieldMask.

	If CurrentState is NULL, then EFI_INVALID_PARAMETER is returned.

	@param[in] This A pointer to the EFI_EAP_MANAGEMENT_PROTOCOL
	instance that indicates the calling context.
	@param[out] CurrentState Returns the current state of the Supplicant PAE
	state machine for the Port.
	@param[in, out] Configuration Returns the configuration of the operational
	parameters of the Supplicant PAE state machine
	for the Port as required. This parameter can be
	NULL to ignore reading the configuration.
	On input, Configuration.ValidFieldMask specifies the
	operational parameters to be read.
	On output, Configuration returns the configuration
	of the required operational parameters.

	@retval EFI_SUCCESS The configuration of the operational parameter
	of the Supplicant PAE state machine for the Port
	is set successfully.
	@retval EFI_INVALID_PARAMETER CurrentState is NULL.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_EAP_GET_SUPPLICANT_STATUS)(
	IN EFI_EAP_MANAGEMENT_PROTOCOL *This,
	OUT EFI_EAPOL_SUPPLICANT_PAE_STATE *CurrentState,
	IN OUT EFI_EAPOL_SUPPLICANT_PAE_CONFIGURATION *Configuration OPTIONAL
	);

	/**
	Set the configuration of the operational parameter of the Supplicant PAE
	state machine for the Port.

	The SetSupplicantConfiguration() function sets the configuration of the
	operational Parameter of the Supplicant PAE state machine for the Port to
	Configuration. The operational parameters in Configuration to be set can be
	specified by Configuration.ValidFieldMask.

	If Configuration is NULL, then EFI_INVALID_PARAMETER is returned.

	@param[in] This A pointer to the EFI_EAP_MANAGEMENT_PROTOCOL
	instance that indicates the calling context.
	@param[in] Configuration The desired configuration of the operational
	parameters of the Supplicant PAE state machine
	for the Port as required.

	@retval EFI_SUCCESS The configuration of the operational parameter
	of the Supplicant PAE state machine for the Port
	is set successfully.
	@retval EFI_INVALID_PARAMETER Configuration is NULL.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_EAP_SET_SUPPLICANT_CONFIGURATION)(
	IN EFI_EAP_MANAGEMENT_PROTOCOL *This,
	IN EFI_EAPOL_SUPPLICANT_PAE_CONFIGURATION *Configuration
	);

	/**
	Read the statistical information regarding the operation of the Supplicant
	associated with the Port.

	The GetSupplicantStatistics() function reads the statistical information
	Statistics regarding the operation of the Supplicant associated with the Port.

	If Statistics is NULL, then EFI_INVALID_PARAMETER is returned.

	@param[in] This A pointer to the EFI_EAP_MANAGEMENT_PROTOCOL
	instance that indicates the calling context.
	@param[out] Statistics Returns the statistical information regarding the
	operation of the Supplicant for the Port.

	@retval EFI_SUCCESS The statistical information regarding the operation
	of the Supplicant for the Port is read successfully.
	@retval EFI_INVALID_PARAMETER Statistics is NULL.

	**/
	typedef
	EFI_STATUS
	(EFIAPI *EFI_EAP_GET_SUPPLICANT_STATISTICS)(
	IN EFI_EAP_MANAGEMENT_PROTOCOL *This,
	OUT EFI_EAPOL_SUPPLICANT_PAE_STATISTICS *Statistics
	);

	///
	/// EFI_EAP_MANAGEMENT_PROTOCOL
	/// is used to control, configure and monitor EAPOL state machine on
	/// a Port. EAPOL state machine is built on a per-Port basis. Herein,
	/// a Port means a NIC. For the details of EAPOL, please refer to
	/// IEEE 802.1x specification.
	///
	struct _EFI_EAP_MANAGEMENT_PROTOCOL {
	EFI_EAP_GET_SYSTEM_CONFIGURATION GetSystemConfiguration;
	EFI_EAP_SET_SYSTEM_CONFIGURATION SetSystemConfiguration;
	EFI_EAP_INITIALIZE_PORT InitializePort;
	EFI_EAP_USER_LOGON UserLogon;
	EFI_EAP_USER_LOGOFF UserLogoff;
	EFI_EAP_GET_SUPPLICANT_STATUS GetSupplicantStatus;
	EFI_EAP_SET_SUPPLICANT_CONFIGURATION SetSupplicantConfiguration;
	EFI_EAP_GET_SUPPLICANT_STATISTICS GetSupplicantStatistics;
	};

	extern EFI_GUID gEfiEapManagementProtocolGuid;

	#endif