/*++
Copyright (c) 2004, Intel Corporation                                                         
All rights reserved. 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.             

Module name:
  
    EfiNetworkInterfaceIdentifier.h

Abstract:

Revision history:
    2000-Feb-18 M(f)J   GUID updated.
                Structure order changed for machine word alignment.
                Added StringId[4] to structure.
                
    2000-Feb-14 M(f)J   Genesis.
--*/
#ifndef _EFI_NETWORKINTERFACEIDENTIFER_H
#define _EFI_NETWORKINTERFACEIDENTIFER_H


#define EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_GUID \
  { \
    0xE18541CD, 0xF755, 0x4f73, {0x92, 0x8D, 0x64, 0x3C, 0x8A, 0x79, 0xB2, 0x29} \
  }
#define EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_GUID_31 \
  { \
    0x1ACED566, 0x76ED, 0x4218, {0xBC, 0x81, 0x76, 0x7F, 0x1F, 0x97, 0x7A, 0x89} \
  }

#define EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_REVISION    0x00010000
#define EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_REVISION_31 0x00010001

//
// Forward reference for pure ANSI compatability
//
EFI_FORWARD_DECLARATION (EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL);

typedef enum {
  EfiNetworkInterfaceUndi = 1
} EFI_NETWORK_PROTOCOL_TYPE;

struct _EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL {

  UINT64  Revision;
  //
  // Revision of the network interface identifier protocol interface.
  //
  UINT64  ID;
  //
  // Address of the first byte of the identifying structure for this
  // network interface.  This is set to zero if there is no structure.
  //
  // For PXE/UNDI this is the first byte of the !PXE structure.
  //
  UINT64  ImageAddr;
  //
  // Address of the UNrelocated driver/ROM image.  This is set
  // to zero if there is no driver/ROM image.
  //
  // For 16-bit UNDI, this is the first byte of the option ROM in
  // upper memory.
  //
  // For 32/64-bit S/W UNDI, this is the first byte of the EFI ROM
  // image.
  //
  // For H/W UNDI, this is set to zero.
  //
  UINT32  ImageSize;
  //
  // Size of the UNrelocated driver/ROM image of this network interface.
  // This is set to zero if there is no driver/ROM image.
  //
  CHAR8   StringId[4];
  //
  // 4 char ASCII string to go in class identifier (option 60) in DHCP
  // and Boot Server discover packets.
  // For EfiNetworkInterfaceUndi this field is "UNDI".
  // For EfiNetworkInterfaceSnp this field is "SNPN".
  //
  UINT8   Type;
  UINT8   MajorVer;
  UINT8   MinorVer;
  //
  // Information to be placed into the PXE DHCP and Discover packets.
  // This is the network interface type and version number that will
  // be placed into DHCP option 94 (client network interface identifier).
  //
  BOOLEAN Ipv6Supported;
  UINT8   IfNum;  // interface number to be used with pxeid structure
};

extern EFI_GUID gEfiNetworkInterfaceIdentifierProtocolGuid;
extern EFI_GUID gEfiNetworkInterfaceIdentifierProtocolGuid_31;

#endif // _EFI_NII_H
