release/src/include/proto/bcmarp.h

   1 /*
   2  * Copyright 2006, 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   5  * This is UNPUBLISHED PROPRIETARY SOURCE CODE of Broadcom Corporation;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 ARP Protocol
  11  *
  12  * $Id$
  13  */
  14
  15 #ifndef _bcmarp_h_
  16 #define _bcmarp_h_
  17
  18 #define ARP_OPC_OFFSET  6       /* option code offset */
  19 #define ARP_SRC_ETH_OFFSET      8       /* src h/w address offset */
  20 #define ARP_SRC_IP_OFFSET       14      /* src IP address offset */
  21 #define ARP_TGT_ETH_OFFSET      18      /* target h/w address offset */
  22 #define ARP_TGT_IP_OFFSET       24      /* target IP address offset */
  23
  24 #define ARP_OPC_REQUEST 1       /* ARP request */
  25 #define ARP_OPC_REPLY   2       /* ARP reply */
  26
  27 #endif  /* #ifndef _bcmarp_h_ */