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/* $OpenBSD: if_arc.h,v 1.3 2000/04/26 21:02:02 jakob Exp $ */
/* $NetBSD: if_arc.h,v 1.5 1995/06/07 00:14:04 cgd Exp $ */
/*
* 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.
*
* from: NetBSD: if_ether.h,v 1.10 1994/06/29 06:37:55 cgd Exp
* @(#)if_ether.h 8.1 (Berkeley) 6/10/93
*/
/*
* Arcnet address - 1 octets
* don't know who uses this.
*/
struct arc_addr {
u_int8_t arc_addr_octet[1];
};
/*
* Structure of a 2.5MB/s Arcnet header.
* 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_ADDR_LEN 1
#define ARC_HDRLEN 3
#define ARC_HDRNEWLEN 6
/* these lengths are data link layer length - 2*ARC_ADDR_LEN */
#define ARC_MIN_LEN 1
#define ARC_MIN_FORBID_LEN 254
#define ARC_MAX_FORBID_LEN 256
#define ARC_MAX_LEN 508
/* 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 ARCMTU 507
#define ARCMIN 0
struct arccom {
struct ifnet ac_if; /* network-visible interface */
u_int8_t ac_anaddr; /* arcnet hardware address */
struct in_addr ac_ipaddr; /* copy of ip address- XXX */
u_int16_t ac_seqid; /* seq. id used by PHDS encap. */
struct ac_frag {
u_int8_t af_maxflag; /* from first packet */
u_int8_t af_lastseen; /* last split flag seen */
u_int16_t af_seqid;
struct mbuf *af_packet;
} ac_fragtab[256]; /* indexed by sender ll address */
};
#ifdef _KERNEL
u_int8_t arcbroadcastaddr;
void arc_ifattach __P((struct ifnet *));
char *arc_sprintf __P((u_int8_t *));
void arc_input __P((struct ifnet *, struct mbuf *));
int arc_output __P((struct ifnet *, struct mbuf *, struct sockaddr *,
struct rtentry *));
int arc_isphds __P((int));
#endif
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