mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
synced 2024-11-16 04:39:42 +02:00
1d3eb5dbb8
git-svn-id: svn://svn.openwrt.org/openwrt/trunk/openwrt@2480 3c298f89-4303-0410-b956-a3cf2f4a3e73
43 lines
1.3 KiB
C
43 lines
1.3 KiB
C
/*
|
|
* Copyright 2005, Broadcom Corporation
|
|
* All Rights Reserved.
|
|
*
|
|
* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Broadcom Corporation;
|
|
* the contents of this file may not be disclosed to third parties, copied
|
|
* or duplicated in any form, in whole or in part, without the prior
|
|
* written permission of Broadcom Corporation.
|
|
*
|
|
* Fundamental constants relating to IP Protocol
|
|
*
|
|
* $Id$
|
|
*/
|
|
|
|
#ifndef _bcmip_h_
|
|
#define _bcmip_h_
|
|
|
|
/* IP header */
|
|
#define IPV4_VERIHL_OFFSET 0 /* version and ihl byte offset */
|
|
#define IPV4_TOS_OFFSET 1 /* TOS offset */
|
|
#define IPV4_PROT_OFFSET 9 /* protocol type offset */
|
|
#define IPV4_CHKSUM_OFFSET 10 /* IP header checksum offset */
|
|
#define IPV4_SRC_IP_OFFSET 12 /* src IP addr offset */
|
|
#define IPV4_DEST_IP_OFFSET 16 /* dest IP addr offset */
|
|
|
|
#define IPV4_VER_MASK 0xf0
|
|
#define IPV4_IHL_MASK 0x0f
|
|
|
|
#define IPV4_PROT_UDP 17 /* UDP protocol type */
|
|
|
|
#define IPV4_ADDR_LEN 4 /* IP v4 address length */
|
|
|
|
#define IPV4_VER_NUM 0x40 /* IP v4 version number */
|
|
|
|
/* NULL IP address check */
|
|
#define IPV4_ISNULLADDR(a) ((((uint8 *)(a))[0] + ((uint8 *)(a))[1] + \
|
|
((uint8 *)(a))[2] + ((uint8 *)(a))[3]) == 0)
|
|
|
|
#define IPV4_ADDR_STR_LEN 16
|
|
|
|
#endif /* #ifndef _bcmip_h_ */
|
|
|