62 lines
2.5 KiB
C
62 lines
2.5 KiB
C
|
/* $NetBSD: ether.h,v 1.1.1.1 2001/06/25 19:26:31 itojun Exp $ */
|
||
|
|
|
||
|
|
/* @(#) Header: /tcpdump/master/tcpdump/ether.h,v 1.6 2000/10/09 03:24:24 guy Exp (LBL) */
|
||
|
|
/*
|
||
|
|
* Copyright (c) 1982, 1986, 1993
|
||
|
|
* The Regents of the University of California. All rights reserved.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
|
* documentation and/or other materials provided with the distribution.
|
||
|
|
* 3. All advertising materials mentioning features or use of this software
|
||
|
|
* must display the following acknowledgement:
|
||
|
|
* This product includes software developed by the University of
|
||
|
|
* California, Berkeley and its contributors.
|
||
|
|
* 4. Neither the name of the University nor the names of its contributors
|
||
|
|
* may be used to endorse or promote products derived from this software
|
||
|
|
* without specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
|
* SUCH DAMAGE.
|
||
|
|
*
|
||
|
|
* @(#)if_ether.h 8.3 (Berkeley) 5/2/95
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define ETHERMTU 1500
|
||
|
|
|
||
|
|
/*
|
||
|
|
* The number of bytes in an ethernet (MAC) address.
|
||
|
|
*/
|
||
|
|
#define ETHER_ADDR_LEN 6
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Structure of a DEC/Intel/Xerox or 802.3 Ethernet header.
|
||
|
|
*/
|
||
|
|
struct ether_header {
|
||
|
|
u_int8_t ether_dhost[ETHER_ADDR_LEN];
|
||
|
|
u_int8_t ether_shost[ETHER_ADDR_LEN];
|
||
|
|
u_int16_t ether_type;
|
||
|
|
};
|
||
|
|
|
||
|
|
/*
|
||
|
|
* Length of a DEC/Intel/Xerox or 802.3 Ethernet header; note that some
|
||
|
|
* compilers may pad "struct ether_header" to a multiple of 4 bytes,
|
||
|
|
* for example, so "sizeof (struct ether_header)" may not give the right
|
||
|
|
* answer.
|
||
|
|
*/
|
||
|
|
#define ETHER_HDRLEN 14
|