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ethertypes.h revision 1.3 
      1 /*	$NetBSD: ethertypes.h,v 1.3 1998/02/09 17:43:45 perry 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 _NET_ETHERTYPES_H_
     49 #define _NET_ETHERTYPES_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 /* _NET_ETHERTYPES_H_ */
     65