184931Sfjoe/* $NetBSD: if_arc.h,v 1.13 1999/11/19 20:41:19 thorpej Exp $ */ 284931Sfjoe/* $FreeBSD$ */ 384931Sfjoe 4139823Simp/*- 584931Sfjoe * Copyright (c) 1982, 1986, 1993 684931Sfjoe * The Regents of the University of California. All rights reserved. 784931Sfjoe * 884931Sfjoe * Redistribution and use in source and binary forms, with or without 984931Sfjoe * modification, are permitted provided that the following conditions 1084931Sfjoe * are met: 1184931Sfjoe * 1. Redistributions of source code must retain the above copyright 1284931Sfjoe * notice, this list of conditions and the following disclaimer. 1384931Sfjoe * 2. Redistributions in binary form must reproduce the above copyright 1484931Sfjoe * notice, this list of conditions and the following disclaimer in the 1584931Sfjoe * documentation and/or other materials provided with the distribution. 1684931Sfjoe * 4. Neither the name of the University nor the names of its contributors 1784931Sfjoe * may be used to endorse or promote products derived from this software 1884931Sfjoe * without specific prior written permission. 1984931Sfjoe * 2084931Sfjoe * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 2184931Sfjoe * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2284931Sfjoe * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2384931Sfjoe * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 2484931Sfjoe * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2584931Sfjoe * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2684931Sfjoe * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2784931Sfjoe * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2884931Sfjoe * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2984931Sfjoe * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3084931Sfjoe * SUCH DAMAGE. 3184931Sfjoe * 3284931Sfjoe * from: NetBSD: if_ether.h,v 1.10 1994/06/29 06:37:55 cgd Exp 3384931Sfjoe * @(#)if_ether.h 8.1 (Berkeley) 6/10/93 3484931Sfjoe */ 3584931Sfjoe 3684931Sfjoe#ifndef _NET_IF_ARC_H_ 3784931Sfjoe#define _NET_IF_ARC_H_ 3884931Sfjoe 3984931Sfjoe/* 4084931Sfjoe * Arcnet address - 1 octets 4184931Sfjoe * don't know who uses this. 4284931Sfjoe */ 4384931Sfjoestruct arc_addr { 4484931Sfjoe u_int8_t arc_addr_octet[1]; 45103842Salfred} __packed; 4684931Sfjoe 4784931Sfjoe/* 4884931Sfjoe * Structure of a 2.5MB/s Arcnet header. 4984931Sfjoe * as given to interface code. 5084931Sfjoe */ 5184931Sfjoestruct arc_header { 5284931Sfjoe u_int8_t arc_shost; 5384931Sfjoe u_int8_t arc_dhost; 5484931Sfjoe u_int8_t arc_type; 5584931Sfjoe /* 5684931Sfjoe * only present for newstyle encoding with LL fragmentation. 5784931Sfjoe * Don't use sizeof(anything), use ARC_HDR{,NEW}LEN instead. 5884931Sfjoe */ 5984931Sfjoe u_int8_t arc_flag; 6084931Sfjoe u_int16_t arc_seqid; 6184931Sfjoe 6284931Sfjoe /* 6384931Sfjoe * only present in exception packets (arc_flag == 0xff) 6484931Sfjoe */ 6584931Sfjoe u_int8_t arc_type2; /* same as arc_type */ 6684931Sfjoe u_int8_t arc_flag2; /* real flag value */ 6784931Sfjoe u_int16_t arc_seqid2; /* real seqid value */ 68103842Salfred} __packed; 6984931Sfjoe 7084931Sfjoe#define ARC_ADDR_LEN 1 7184931Sfjoe 7284931Sfjoe#define ARC_HDRLEN 3 7384931Sfjoe#define ARC_HDRNEWLEN 6 7484931Sfjoe#define ARC_HDRNEWLEN_EXC 10 7584931Sfjoe 76109771Sfjoe/* these lengths are data link layer length - 2 * ARC_ADDR_LEN */ 7784931Sfjoe#define ARC_MIN_LEN 1 7884931Sfjoe#define ARC_MIN_FORBID_LEN 254 7984931Sfjoe#define ARC_MAX_FORBID_LEN 256 8084931Sfjoe#define ARC_MAX_LEN 508 81109771Sfjoe#define ARC_MAX_DATA 504 8284931Sfjoe 8384931Sfjoe/* RFC 1051 */ 8484931Sfjoe#define ARCTYPE_IP_OLD 240 /* IP protocol */ 8584931Sfjoe#define ARCTYPE_ARP_OLD 241 /* address resolution protocol */ 8684931Sfjoe 8784931Sfjoe/* RFC 1201 */ 8884931Sfjoe#define ARCTYPE_IP 212 /* IP protocol */ 8984931Sfjoe#define ARCTYPE_ARP 213 /* address resolution protocol */ 9084931Sfjoe#define ARCTYPE_REVARP 214 /* reverse addr resolution protocol */ 9184931Sfjoe 9284931Sfjoe#define ARCTYPE_ATALK 221 /* Appletalk */ 9384931Sfjoe#define ARCTYPE_BANIAN 247 /* Banyan Vines */ 9484931Sfjoe#define ARCTYPE_IPX 250 /* Novell IPX */ 9584931Sfjoe 9684931Sfjoe#define ARCTYPE_INET6 0xc4 /* IPng */ 9784931Sfjoe#define ARCTYPE_DIAGNOSE 0x80 /* as per ANSI/ATA 878.1 */ 9884931Sfjoe 9984931Sfjoe#define ARCMTU 507 10084931Sfjoe#define ARCMIN 0 10184931Sfjoe 10284931Sfjoe#define ARC_PHDS_MAXMTU 60480 10384931Sfjoe 10484931Sfjoestruct arccom { 105147256Sbrooks struct ifnet *ac_ifp; /* network-visible interface */ 10684931Sfjoe 10784931Sfjoe u_int16_t ac_seqid; /* seq. id used by PHDS encap. */ 10884931Sfjoe 10984931Sfjoe u_int8_t arc_shost; 11084931Sfjoe u_int8_t arc_dhost; 11184931Sfjoe u_int8_t arc_type; 11284931Sfjoe 11384931Sfjoe u_int8_t dummy0; 11484931Sfjoe u_int16_t dummy1; 11584931Sfjoe int sflag, fsflag, rsflag; 11684931Sfjoe struct mbuf *curr_frag; 11784931Sfjoe 11884931Sfjoe struct ac_frag { 11984931Sfjoe u_int8_t af_maxflag; /* from first packet */ 12084931Sfjoe u_int8_t af_lastseen; /* last split flag seen */ 12184931Sfjoe u_int16_t af_seqid; 12284931Sfjoe struct mbuf *af_packet; 12384931Sfjoe } ac_fragtab[256]; /* indexed by sender ll address */ 12484931Sfjoe}; 12584931Sfjoe 12684931Sfjoe#ifdef _KERNEL 12784931Sfjoeextern u_int8_t arcbroadcastaddr; 12884931Sfjoeextern int arc_ipmtu; /* XXX new ip only, no RFC 1051! */ 12984931Sfjoe 13092725Salfredvoid arc_ifattach(struct ifnet *, u_int8_t); 13192725Salfredvoid arc_ifdetach(struct ifnet *); 13292725Salfredvoid arc_storelladdr(struct ifnet *, u_int8_t); 133157681Srwatsonint arc_isphds(u_int8_t); 13492725Salfredvoid arc_input(struct ifnet *, struct mbuf *); 13592725Salfredint arc_output(struct ifnet *, struct mbuf *, 136249925Sglebius const struct sockaddr *, struct route *); 137194581Srdivackyint arc_ioctl(struct ifnet *, u_long, caddr_t); 13884931Sfjoe 13992725Salfredvoid arc_frag_init(struct ifnet *); 14092725Salfredstruct mbuf * arc_frag_next(struct ifnet *); 14184931Sfjoe#endif 14284931Sfjoe 14384931Sfjoe#endif /* _NET_IF_ARC_H_ */ 144