MdeModulePkg/Universal/Network/Ip4Dxe/Ip4Option.h

   1 /** @file
   2
   3 Copyright (c) 2005 - 2006, Intel Corporation
   4 All rights reserved. This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12
  13 Module Name:
  14
  15   Ip4Option.h
  16
  17 Abstract:
  18
  19   IP4 option support routines.
  20
  21
  22 **/
  23
  24 #ifndef __EFI_IP4_OPTION_H__
  25 #define __EFI_IP4_OPTION_H__
  26
  27 enum {
  28   IP4_OPTION_EOP       = 0,
  29   IP4_OPTION_NOP       = 1,
  30   IP4_OPTION_LSRR      = 131,  // Loss source and record routing,   10000011
  31   IP4_OPTION_SSRR      = 137,  // Strict source and record routing, 10001001
  32   IP4_OPTION_RR        = 7,    // Record routing, 00000111
  33
  34   IP4_OPTION_COPY_MASK = 0x80
  35 };
  36
  37 BOOLEAN
  38 Ip4OptionIsValid (
  39   IN UINT8                  *Option,
  40   IN UINT32                 OptLen,
  41   IN BOOLEAN                Rcvd
  42   );
  43
  44 EFI_STATUS
  45 Ip4CopyOption (
  46   IN UINT8                  *Option,
  47   IN UINT32                 OptLen,
  48   IN BOOLEAN                Fragment,
  49   IN UINT8                  *Buf,     OPTIONAL
  50   IN OUT UINT32             *BufLen
  51   );
  52 #endif