1 /* $NetBSD: if_arc.h,v 1.13 1999/11/19 20:41:19 thorpej Exp $ */
5 * Copyright (c) 1982, 1986, 1993
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18 * This product includes software developed by the University of
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36 * from: NetBSD: if_ether.h,v 1.10 1994/06/29 06:37:55 cgd Exp
37 * @(#)if_ether.h 8.1 (Berkeley) 6/10/93
40 #ifndef _NET_IF_ARC_H_
41 #define _NET_IF_ARC_H_
44 * Arcnet address - 1 octets
45 * don't know who uses this.
48 u_int8_t arc_addr_octet[1];
49 } __attribute__((__packed__));
52 * Structure of a 2.5MB/s Arcnet header.
53 * as given to interface code.
60 * only present for newstyle encoding with LL fragmentation.
61 * Don't use sizeof(anything), use ARC_HDR{,NEW}LEN instead.
67 * only present in exception packets (arc_flag == 0xff)
69 u_int8_t arc_type2; /* same as arc_type */
70 u_int8_t arc_flag2; /* real flag value */
71 u_int16_t arc_seqid2; /* real seqid value */
72 } __attribute__((__packed__));
74 #define ARC_ADDR_LEN 1
77 #define ARC_HDRNEWLEN 6
78 #define ARC_HDRNEWLEN_EXC 10
80 /* these lengths are data link layer length - 2*ARC_ADDR_LEN */
82 #define ARC_MIN_FORBID_LEN 254
83 #define ARC_MAX_FORBID_LEN 256
84 #define ARC_MAX_LEN 508
88 #define ARCTYPE_IP_OLD 240 /* IP protocol */
89 #define ARCTYPE_ARP_OLD 241 /* address resolution protocol */
92 #define ARCTYPE_IP 212 /* IP protocol */
93 #define ARCTYPE_ARP 213 /* address resolution protocol */
94 #define ARCTYPE_REVARP 214 /* reverse addr resolution protocol */
96 #define ARCTYPE_ATALK 221 /* Appletalk */
97 #define ARCTYPE_BANIAN 247 /* Banyan Vines */
98 #define ARCTYPE_IPX 250 /* Novell IPX */
100 #define ARCTYPE_INET6 0xc4 /* IPng */
101 #define ARCTYPE_DIAGNOSE 0x80 /* as per ANSI/ATA 878.1 */
106 #define ARC_PHDS_MAXMTU 60480
109 struct ifnet ac_if; /* network-visible interface */
111 u_int16_t ac_seqid; /* seq. id used by PHDS encap. */
119 int sflag, fsflag, rsflag;
120 struct mbuf *curr_frag;
123 u_int8_t af_maxflag; /* from first packet */
124 u_int8_t af_lastseen; /* last split flag seen */
126 struct mbuf *af_packet;
127 } ac_fragtab[256]; /* indexed by sender ll address */
131 extern u_int8_t arcbroadcastaddr;
132 extern int arc_ipmtu; /* XXX new ip only, no RFC 1051! */
134 void arc_ifattach __P((struct ifnet *, u_int8_t));
135 void arc_ifdetach __P((struct ifnet *));
136 void arc_storelladdr __P((struct ifnet *, u_int8_t));
137 char *arc_sprintf __P((u_int8_t *));
138 int arc_isphds __P((int));
139 void arc_input __P((struct ifnet *, struct mbuf *));
140 int arc_output __P((struct ifnet *, struct mbuf *,
141 struct sockaddr *, struct rtentry *));
142 int arc_ioctl __P((struct ifnet *, int, caddr_t));
144 void arc_frag_init __P((struct ifnet *));
145 struct mbuf * arc_frag_next __P((struct ifnet *));
149 #endif /* _NET_IF_ARC_H_ */