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/*
* Copyright (c) 1982, 1986 Regents of the University of California.
* All rights reserved.
*
* Redistribution and use in source and binary forms are permitted
* provided that this notice is preserved and that due credit is given
* to the University of California at Berkeley. The name of the University
* may not be used to endorse or promote products derived from this
* software without specific prior written permission. This software
* is provided ``as is'' without express or implied warranty.
*
* @(#)if_ether.h 1.28 89/08/04 SMI; from UCB 7.2 12/7/87
*/
/*
* $Id: $
* $DateTime: $
* $Change: $
*/
#ifndef _netinet_if_ether_h
#define _netinet_if_ether_h
#if !defined(__OpenBSD__)
#include <net/if_arp.h>
#endif
/*
* 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 ARP */
#define ETHERTYPE_TRAIL 0x1000
/*
* 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 */
struct ether_addr arp_sha; /* sender hardware address */
u_char arp_spa[4]; /* sender protocol address */
struct ether_addr arp_tha; /* 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
#define ETHERMTU 1500
#endif
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