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102 lines
3.6 KiB
C
102 lines
3.6 KiB
C
/*
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* Copyright (c) 1982, 1986, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#) $Id: arcnet.h,v 1.3 2003-01-23 09:05:37 guy Exp $ (LBL)
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*
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* from: NetBSD: if_arc.h,v 1.13 1999/11/19 20:41:19 thorpej Exp
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*/
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/*
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* Structure of a 2.5MB/s Arcnet header on the BSDs,
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* as given to interface code.
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*/
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struct arc_header {
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u_int8_t arc_shost;
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u_int8_t arc_dhost;
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u_int8_t arc_type;
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/*
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* only present for newstyle encoding with LL fragmentation.
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* Don't use sizeof(anything), use ARC_HDR{,NEW}LEN instead.
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*/
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u_int8_t arc_flag;
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u_int16_t arc_seqid;
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/*
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* only present in exception packets (arc_flag == 0xff)
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*/
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u_int8_t arc_type2; /* same as arc_type */
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u_int8_t arc_flag2; /* real flag value */
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u_int16_t arc_seqid2; /* real seqid value */
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};
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#define ARC_HDRLEN 3
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#define ARC_HDRNEWLEN 6
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#define ARC_HDRNEWLEN_EXC 10
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/* RFC 1051 */
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#define ARCTYPE_IP_OLD 240 /* IP protocol */
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#define ARCTYPE_ARP_OLD 241 /* address resolution protocol */
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/* RFC 1201 */
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#define ARCTYPE_IP 212 /* IP protocol */
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#define ARCTYPE_ARP 213 /* address resolution protocol */
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#define ARCTYPE_REVARP 214 /* reverse addr resolution protocol */
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#define ARCTYPE_ATALK 221 /* Appletalk */
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#define ARCTYPE_BANIAN 247 /* Banyan Vines */
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#define ARCTYPE_IPX 250 /* Novell IPX */
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#define ARCTYPE_INET6 0xc4 /* IPng */
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#define ARCTYPE_DIAGNOSE 0x80 /* as per ANSI/ATA 878.1 */
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/*
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* Structure of a 2.5MB/s Arcnet header on Linux. Linux has
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* an extra "offset" field when given to interface code, and
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* never presents packets that look like exception frames.
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*/
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struct arc_linux_header {
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u_int8_t arc_shost;
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u_int8_t arc_dhost;
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u_int16_t arc_offset;
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u_int8_t arc_type;
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/*
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* only present for newstyle encoding with LL fragmentation.
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* Don't use sizeof(anything), use ARC_LINUX_HDR{,NEW}LEN
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* instead.
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*/
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u_int8_t arc_flag;
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u_int16_t arc_seqid;
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};
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#define ARC_LINUX_HDRLEN 5
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#define ARC_LINUX_HDRNEWLEN 8
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