| /* |
| * 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]; |
| } __attribute__ ((packed)); |
| |
| /* |
| * Structure of a 10Mb/s Ethernet header. |
| */ |
| struct ether_header { |
| u_char ether_dhost[6]; |
| u_char ether_shost[6]; |
| u_short ether_type; |
| } __attribute__ ((packed)); |
| |
| #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 */ |
| } __attribute__ ((packed)); |
| #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 |