if_ether.h
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- /*
- * 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