/** @file
  EFI Network Interface Identifier Protocol.

Copyright (c) 2006 - 2013, 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 that 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 EFI Specification 1.10.

**/

#ifndef __EFI_NETWORK_INTERFACE_IDENTIFER_H__
#define __EFI_NETWORK_INTERFACE_IDENTIFER_H__

//
// GUID retired from UEFI Specification 2.1b
//
#define EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_GUID \
  { \
    0xE18541CD, 0xF755, 0x4f73, {0x92, 0x8D, 0x64, 0x3C, 0x8A, 0x79, 0xB2, 0x29 } \
  }

//
// GUID intruduced in UEFI Specification 2.1b
//
#define EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_GUID_31 \
  { \
    0x1ACED566, 0x76ED, 0x4218, {0xBC, 0x81, 0x76, 0x7F, 0x1F, 0x97, 0x7A, 0x89 } \
  }

//
// Revision defined in UEFI Specification 2.4
//
#define EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_REVISION    0x00020000


///
/// Revision defined in EFI1.1.
///
#define EFI_NETWORK_INTERFACE_IDENTIFIER_INTERFACE_REVISION   EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_REVISION

///
/// Forward reference for pure ANSI compatability.
///
typedef struct _EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL  EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL;

///
/// Protocol defined in EFI1.1.
///
typedef EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL   EFI_NETWORK_INTERFACE_IDENTIFIER_INTERFACE;

///
/// An optional protocol that is used to describe details about the software
/// layer that is used to produce the Simple Network Protocol.
///
struct _EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL {
  UINT64    Revision;   ///< The revision of the EFI_NETWORK_INTERFACE_IDENTIFIER protocol.
  UINT64    Id;         ///< The address of the first byte of the identifying structure for this network
                        ///< interface. This is only valid when the network interface is started
                        ///< (see Start()). When the network interface is not started, this field is set to zero.
  UINT64    ImageAddr;  ///< The address of the first byte of the identifying structure for this
                        ///< network interface.  This is set to zero if there is no structure.
  UINT32    ImageSize;  ///< The size of unrelocated network interface image.
  CHAR8     StringId[4];///< A four-character ASCII string that is sent in the class identifier field of
                        ///< option 60 in DHCP. For a Type of EfiNetworkInterfaceUndi, this field is UNDI.
  UINT8     Type;       ///< Network interface type. This will be set to one of the values
                        ///< in EFI_NETWORK_INTERFACE_TYPE.
  UINT8     MajorVer;   ///< Major version number.
  UINT8     MinorVer;   ///< Minor version number.
  BOOLEAN   Ipv6Supported; ///< TRUE if the network interface supports IPv6; otherwise FALSE.
  UINT16    IfNum;      ///< The network interface number that is being identified by this Network 
                        ///< Interface Identifier Protocol. This field must be less than or 
                        ///< equal to the (IFcnt | IFcntExt <<8 ) fields in the !PXE structure.

};

///
///*******************************************************
/// EFI_NETWORK_INTERFACE_TYPE
///*******************************************************
///
typedef enum {
  EfiNetworkInterfaceUndi = 1
} EFI_NETWORK_INTERFACE_TYPE;

///
/// Forward reference for pure ANSI compatability.
///
typedef struct undiconfig_table  UNDI_CONFIG_TABLE;

///
/// The format of the configuration table for UNDI
///
struct undiconfig_table {
  UINT32             NumberOfInterfaces;    ///< The number of NIC devices
                                            ///< that this UNDI controls.
  UINT32             reserved;
  UNDI_CONFIG_TABLE  *nextlink;             ///< A pointer to the next UNDI
                                            ///< configuration table.
  ///
  /// The length of this array is given in the NumberOfInterfaces field.
  ///
  struct {
    VOID             *NII_InterfacePointer; ///< Pointer to the NII interface structure.
    VOID             *DevicePathPointer;    ///< Pointer to the device path for this NIC.
  } NII_entry[1]; 
};

extern EFI_GUID gEfiNetworkInterfaceIdentifierProtocolGuid;
extern EFI_GUID gEfiNetworkInterfaceIdentifierProtocolGuid_31;

#endif
