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if_arc.h revision 1.1 
      1 /*	$NetBSD: if_arc.h,v 1.1 1995/02/23 07:19:54 glass 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  * from: NetBSD: if_ether.h,v 1.10 1994/06/29 06:37:55 cgd Exp
     36  *       @(#)if_ether.h	8.1 (Berkeley) 6/10/93
     37  */
     38 
     39 /*
     40  * Arcnet address - 1 octets
     41  * don't know who uses this.
     42  */
     43 struct arc_addr {
     44 	u_char arc_addr_octet[1];
     45 };
     46 
     47 /*
     48  * Structure of a 2.5MB/s Arcnet header.
     49  * as given to interface code.
     50  */
     51 struct	arc_header {
     52 	u_char	arc_shost;
     53 	u_char	arc_dhost;
     54 	u_char	arc_type;
     55 };
     56 
     57 #define ARC_HDRLEN      3
     58 
     59 /* RFC 1051 */
     60 #define	ARCTYPE_IP_OLD	240	/* IP protocol */
     61 #define	ARCTYPE_ARP_OLD	241	/* address resolution protocol */
     62 
     63 /* RFC 1201 */
     64 #define	ARCTYPE_IP	212	/* IP protocol */
     65 #define	ARCTYPE_ARP	213	/* address resolution protocol */
     66 #define	ARCTYPE_REVARP	214	/* reverse addr resolution protocol */
     67 
     68 #define	ARCMTU		507
     69 #define	ARCMIN		0
     70 
     71 struct	arccom {
     72 	struct 	ifnet ac_if;		/* network-visible interface */
     73 	u_char	ac_anaddr;		/* arcnet hardware address */
     74 					/* only first byte used for arc */
     75 	struct	in_addr ac_ipaddr;	/* copy of ip address- XXX */
     76 };
     77 
     78 #ifdef	KERNEL
     79 u_char	arcbroadcastaddr;
     80 #endif
     81