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Sprite 1984 - 1993
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Sprite 1984 - 1993.iso
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if_ether.h
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C/C++ Source or Header
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1990-11-29
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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 7.2 (Berkeley) 12/7/87
* $Header: /sprite/src/lib/include/netinet/RCS/if_ether.h,v 1.5 90/11/29 19:38:56 kupfer Exp $
*/
#ifndef _IF_ETHER
#define _IF_ETHER
#include <net/if_arp.h>
/*
* 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_RARP 0x8035 /* Reverse addr. resol. 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
#endif _IF_ETHER