package/broadcom-57xx/src/proto/bcmdhcp.h

   1 /*
   2  * Copyright 2007, Broadcom Corporation
   3  * All Rights Reserved.
   4  *
   5  * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Broadcom Corporation;
   6  * the contents of this file may not be disclosed to third parties, copied
   7  * or duplicated in any form, in whole or in part, without the prior
   8  * written permission of Broadcom Corporation.
   9  *
  10  * Fundamental constants relating to DHCP Protocol
  11  *
  12  * $Id: bcmdhcp.h,v 1.1.1.1 2007/05/31 08:00:41 michael Exp $
  13  */
  14
  15 #ifndef _bcmdhcp_h_
  16 #define _bcmdhcp_h_
  17
  18 /* DHCP params */
  19 #define DHCP_TYPE_OFFSET        0       /* DHCP type (request|reply) offset */
  20 #define DHCP_FLAGS_OFFSET       10      /* DHCP flags offset */
  21 #define DHCP_CIADDR_OFFSET      12      /* DHCP client IP address offset */
  22 #define DHCP_YIADDR_OFFSET      16      /* DHCP your IP address offset */
  23 #define DHCP_GIADDR_OFFSET      24      /* DHCP relay agent IP address offset */
  24 #define DHCP_CHADDR_OFFSET      28      /* DHCP client h/w address offset */
  25
  26 #define DHCP_TYPE_REQUEST       1       /* DHCP request (discover|request) */
  27 #define DHCP_TYPE_REPLY         2       /* DHCP reply (offset|ack) */
  28
  29 #define DHCP_PORT_SERVER        67      /* DHCP server UDP port */
  30 #define DHCP_PORT_CLIENT        68      /* DHCP client UDP port */
  31
  32 #define DHCP_FLAG_BCAST 0x8000  /* DHCP broadcast flag */
  33
  34 #define DHCP_FLAGS_LEN  2       /* DHCP flags field length */
  35
  36 #endif  /* #ifndef _bcmdhcp_h_ */