1 /* $NetBSD: if_arc.h,v 1.5 1995/06/07 00:14:04 cgd 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_int8_t 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_int8_t arc_shost; 53 u_int8_t arc_dhost; 54 u_int8_t arc_type; 55 /* 56 * only present for newstyle encoding with LL fragmentation. 57 * Don't use sizeof(anything), use ARC_HDR{,NEW}LEN instead. 58 */ 59 u_int8_t arc_flag; 60 u_int16_t arc_seqid; 61 62 /* 63 * only present in exception packets (arc_flag == 0xff) 64 */ 65 u_int8_t arc_type2; /* same as arc_type */ 66 u_int8_t arc_flag2; /* real flag value */ 67 u_int16_t arc_seqid2; /* real seqid value */ 68 }; 69 70 #define ARC_ADDR_LEN 1 71 72 #define ARC_HDRLEN 3 73 #define ARC_HDRNEWLEN 6 74 75 /* these lengths are data link layer length - 2*ARC_ADDR_LEN */ 76 #define ARC_MIN_LEN 1 77 #define ARC_MIN_FORBID_LEN 254 78 #define ARC_MAX_FORBID_LEN 256 79 #define ARC_MAX_LEN 508 80 81 82 /* RFC 1051 */ 83 #define ARCTYPE_IP_OLD 240 /* IP protocol */ 84 #define ARCTYPE_ARP_OLD 241 /* address resolution protocol */ 85 86 /* RFC 1201 */ 87 #define ARCTYPE_IP 212 /* IP protocol */ 88 #define ARCTYPE_ARP 213 /* address resolution protocol */ 89 #define ARCTYPE_REVARP 214 /* reverse addr resolution protocol */ 90 91 #define ARCTYPE_ATALK 221 /* Appletalk */ 92 #define ARCTYPE_BANIAN 247 /* Banyan Vines */ 93 #define ARCTYPE_IPX 250 /* Novell IPX */ 94 95 #define ARCMTU 507 96 #define ARCMIN 0 97 98 struct arccom { 99 struct ifnet ac_if; /* network-visible interface */ 100 u_int8_t ac_anaddr; /* arcnet hardware address */ 101 struct in_addr ac_ipaddr; /* copy of ip address- XXX */ 102 103 u_int16_t ac_seqid; /* seq. id used by PHDS encap. */ 104 105 struct ac_frag { 106 u_int8_t af_maxflag; /* from first packet */ 107 u_int8_t af_lastseen; /* last split flag seen */ 108 u_int16_t af_seqid; 109 struct mbuf *af_packet; 110 } ac_fragtab[256]; /* indexed by sender ll address */ 111 112 }; 113 114 #ifdef _KERNEL 115 u_int8_t arcbroadcastaddr; 116 117 void arc_ifattach __P((struct ifnet *)); 118 char *arc_sprintf __P((u_int8_t *)); 119 void arc_input __P((struct ifnet *, struct mbuf *)); 120 int arc_output __P((struct ifnet *, struct mbuf *, struct sockaddr *, 121 struct rtentry *)); 122 int arc_isphds __P((int)); 123 #endif 124