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dhcp 4.1 r7

    1: /*	$NetBSD: if_ether.h,v 1.20 1995/06/12 00:47:27 mycroft 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: #ifndef netinet_if_ether_h
   39: #define netinet_if_ether_h
   40: 
   41: /*
   42:  * Ethernet address - 6 octets
   43:  * this is only used by the ethers(3) functions.
   44:  */
   45: struct ether_addr {
   46: 	u_int8_t ether_addr_octet[6];
   47: };
   48: 
   49: /*
   50:  * Structure of a 10Mb/s Ethernet header.
   51:  */
   52: #define	ETHER_ADDR_LEN	6
   53: 
   54: struct	isc_ether_header {
   55: 	u_int8_t  ether_dhost[ETHER_ADDR_LEN];
   56: 	u_int8_t  ether_shost[ETHER_ADDR_LEN];
   57: 	u_int16_t ether_type;
   58: };
   59: 
   60: #define       ETHERTYPE_PUP           0x0200  /* PUP protocol */
   61: #define       ETHERTYPE_IP            0x0800  /* IP protocol */
   62: #define       ETHERTYPE_ARP           0x0806  /* address resolution protocol */
   63: 
   64: #define ETHER_HEADER_SIZE (ETHER_ADDR_LEN * 2 + sizeof (u_int16_t))
   65: 
   66: #endif