/*++

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:
  PxeDhcp4Callback.h

Abstract:
  EFI PXE DHCP4 Callback protocol definition.

--*/

#ifndef _PXE_DHCP4CALLBACK_H
#define _PXE_DHCP4CALLBACK_H

#include EFI_PROTOCOL_DEFINITION (PxeDhcp4)

//
// GUID definition
//

#define EFI_PXE_DHCP4_CALLBACK_PROTOCOL_GUID \
{ 0xc1544c01, 0x92a4, 0x4198, {0x8a, 0x84, 0x77, 0x85, 0x83, 0xc2, 0x36, 0x21} }


//
// Revision number
//

#define EFI_PXE_DHCP4_CALLBACK_INTERFACE_REVISION   0x00010000

//
// Interface definition
//

EFI_FORWARD_DECLARATION (EFI_PXE_DHCP4_CALLBACK_PROTOCOL);

typedef enum {
  EFI_PXE_DHCP4_FUNCTION_FIRST,
  EFI_PXE_DHCP4_FUNCTION_INIT,
  EFI_PXE_DHCP4_FUNCTION_SELECT,
  EFI_PXE_DHCP4_FUNCTION_RENEW,
  EFI_PXE_DHCP4_FUNCTION_REBIND,
  EFI_PXE_DHCP4_FUNCTION_LAST
} EFI_PXE_DHCP4_FUNCTION;

typedef enum {
  EFI_PXE_DHCP4_CALLBACK_STATUS_FIRST,
  EFI_PXE_DHCP4_CALLBACK_STATUS_ABORT,
  EFI_PXE_DHCP4_CALLBACK_STATUS_IGNORE_ABORT,
  EFI_PXE_DHCP4_CALLBACK_STATUS_KEEP_ABORT,
  EFI_PXE_DHCP4_CALLBACK_STATUS_CONTINUE,
  EFI_PXE_DHCP4_CALLBACK_STATUS_IGNORE_CONTINUE,
  EFI_PXE_DHCP4_CALLBACK_STATUS_KEEP_CONTINUE,
  EFI_PXE_DHCP4_CALLBACK_STATUS_LAST
} EFI_PXE_DHCP4_CALLBACK_STATUS;

typedef
EFI_PXE_DHCP4_CALLBACK_STATUS
(EFIAPI *EFI_PXE_DHCP4_CALLBACK) (
  IN EFI_PXE_DHCP4_PROTOCOL *This,
  IN EFI_PXE_DHCP4_FUNCTION Function,
  IN UINT32                 PacketLen,
  IN DHCP4_PACKET           *Packet OPTIONAL
  );

struct _EFI_PXE_DHCP4_CALLBACK_PROTOCOL {
  UINT64                      Revision;
  EFI_PXE_DHCP4_CALLBACK      Callback;
};

//
// GUID declaration
//

extern EFI_GUID gEfiPxeDhcp4CallbackProtocolGuid;

#endif /* _PXE_DHCP4CALLBACK_H */
/* EOF - PxeDhcp4Callback.h */
