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/*
* 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.
*
* @(#) $Id: arcnet.h,v 1.3 2003-01-23 09:05:37 guy Exp $ (LBL)
*
* from: NetBSD: if_arc.h,v 1.13 1999/11/19 20:41:19 thorpej Exp
*/
/*
* Structure of a 2.5MB/s Arcnet header on the BSDs,
* as given to interface code.
*/
struct arc_header {
u_int8_t arc_shost;
u_int8_t arc_dhost;
u_int8_t arc_type;
/*
* only present for newstyle encoding with LL fragmentation.
* Don't use sizeof(anything), use ARC_HDR{,NEW}LEN instead.
*/
u_int8_t arc_flag;
u_int16_t arc_seqid;
/*
* only present in exception packets (arc_flag == 0xff)
*/
u_int8_t arc_type2; /* same as arc_type */
u_int8_t arc_flag2; /* real flag value */
u_int16_t arc_seqid2; /* real seqid value */
};
#define ARC_HDRLEN 3
#define ARC_HDRNEWLEN 6
#define ARC_HDRNEWLEN_EXC 10
/* RFC 1051 */
#define ARCTYPE_IP_OLD 240 /* IP protocol */
#define ARCTYPE_ARP_OLD 241 /* address resolution protocol */
/* RFC 1201 */
#define ARCTYPE_IP 212 /* IP protocol */
#define ARCTYPE_ARP 213 /* address resolution protocol */
#define ARCTYPE_REVARP 214 /* reverse addr resolution protocol */
#define ARCTYPE_ATALK 221 /* Appletalk */
#define ARCTYPE_BANIAN 247 /* Banyan Vines */
#define ARCTYPE_IPX 250 /* Novell IPX */
#define ARCTYPE_INET6 0xc4 /* IPng */
#define ARCTYPE_DIAGNOSE 0x80 /* as per ANSI/ATA 878.1 */
/*
* Structure of a 2.5MB/s Arcnet header on Linux. Linux has
* an extra "offset" field when given to interface code, and
* never presents packets that look like exception frames.
*/
struct arc_linux_header {
u_int8_t arc_shost;
u_int8_t arc_dhost;
u_int16_t arc_offset;
u_int8_t arc_type;
/*
* only present for newstyle encoding with LL fragmentation.
* Don't use sizeof(anything), use ARC_LINUX_HDR{,NEW}LEN
* instead.
*/
u_int8_t arc_flag;
u_int16_t arc_seqid;
};
#define ARC_LINUX_HDRLEN 5
#define ARC_LINUX_HDRNEWLEN 8
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