/* * 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 */#include <net/if_arp.h>/* * Ethernet address - 6 octets */struct ether_addr {	u_char	ether_addr_octet[6];};/* * Structure of a 10Mb/s Ethernet header. */struct	ether_header {	u_char	ether_dhost[6];	u_char	ether_shost[6];	u_short	ether_type;};#define	ETHERTYPE_PUP		0x0200	/* PUP protocol */#define	ETHERTYPE_IP		0x0800	/* IP protocol */#define ETHERTYPE_ARP		0x0806	/* Addr. resolution protocol */#define ETHERTYPE_REVARP	0x8035	/* reverse Addr. resolution protocol *//* * The ETHERTYPE_NTRAILER packet types starting at ETHERTYPE_TRAIL have * (type-ETHERTYPE_TRAIL)*512 bytes of data followed * by an ETHER type (as given above) and then the (variable-length) header. */#define	ETHERTYPE_TRAIL		0x1000		/* Trailer packet */#define	ETHERTYPE_NTRAILER	16#define	ETHERMTU	1500#define	ETHERMIN	(60-14)/* * Ethernet Address Resolution Protocol. * * See RFC 826 for protocol description.  Structure below is adapted * to resolving internet addresses.  Field names used correspond to  * RFC 826. */struct	ether_arp {	struct	arphdr ea_hdr;	/* fixed-size header */	u_char	arp_sha[6];	/* sender hardware address */	u_char	arp_spa[4];	/* sender protocol address */	u_char	arp_tha[6];	/* target hardware address */	u_char	arp_tpa[4];	/* target protocol address */};#define	arp_hrd	ea_hdr.ar_hrd#define	arp_pro	ea_hdr.ar_pro#define	arp_hln	ea_hdr.ar_hln#define	arp_pln	ea_hdr.ar_pln#define	arp_op	ea_hdr.ar_op