1 /* $NetBSD: ethertypes.h,v 1.2 1997/03/15 18:12:19 is Exp $ */ 2 3 /* 4 * Copyright (c) 1982, 1986, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by the University of 18 * California, Berkeley and its contributors. 19 * 4. Neither the name of the University nor the names of its contributors 20 * may be used to endorse or promote products derived from this software 21 * without specific prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 26 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 * 35 * @(#)if_ether.h 8.1 (Berkeley) 6/10/93 36 */ 37 38 /* 39 * Ethernet protocol types. 40 * 41 * According to "assigned numbers", the Ethernet protocol numbers are also 42 * used as ARP protocol type numbers. 43 * 44 * I factor them out here to avoid pulling all the Ethernet header file 45 * into the hardware independent ARP code. -is 46 */ 47 48 #ifndef _ETHERTYPE_H_ 49 #define _ETHERTYPE_H_ 50 51 #define ETHERTYPE_PUP 0x0200 /* PUP protocol */ 52 #define ETHERTYPE_IP 0x0800 /* IP protocol */ 53 #define ETHERTYPE_ARP 0x0806 /* address resolution protocol */ 54 #define ETHERTYPE_REVARP 0x8035 /* reverse addr resolution protocol */ 55 56 /* 57 * The ETHERTYPE_NTRAILER packet types starting at ETHERTYPE_TRAIL have 58 * (type-ETHERTYPE_TRAIL)*512 bytes of data followed 59 * by an ETHER type (as given above) and then the (variable-length) header. 60 */ 61 #define ETHERTYPE_TRAIL 0x1000 /* Trailer packet */ 62 #define ETHERTYPE_NTRAILER 16 63 64 #endif /* _ETHERTYPE_H_ */ 65