1 /* $NetBSD: if_arc.h,v 1.13 1999/11/19 20:41:19 thorpej Exp $ */
5 * SPDX-License-Identifier: BSD-3-Clause
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34 * from: NetBSD: if_ether.h,v 1.10 1994/06/29 06:37:55 cgd Exp
35 * @(#)if_ether.h 8.1 (Berkeley) 6/10/93
38 #ifndef _NET_IF_ARC_H_
39 #define _NET_IF_ARC_H_
42 * Arcnet address - 1 octets
43 * don't know who uses this.
46 u_int8_t arc_addr_octet[1];
50 * Structure of a 2.5MB/s Arcnet header.
51 * as given to interface code.
58 * only present for newstyle encoding with LL fragmentation.
59 * Don't use sizeof(anything), use ARC_HDR{,NEW}LEN instead.
65 * only present in exception packets (arc_flag == 0xff)
67 u_int8_t arc_type2; /* same as arc_type */
68 u_int8_t arc_flag2; /* real flag value */
69 u_int16_t arc_seqid2; /* real seqid value */
72 #define ARC_ADDR_LEN 1
75 #define ARC_HDRNEWLEN 6
76 #define ARC_HDRNEWLEN_EXC 10
78 /* these lengths are data link layer length - 2 * ARC_ADDR_LEN */
80 #define ARC_MIN_FORBID_LEN 254
81 #define ARC_MAX_FORBID_LEN 256
82 #define ARC_MAX_LEN 508
83 #define ARC_MAX_DATA 504
86 #define ARCTYPE_IP_OLD 240 /* IP protocol */
87 #define ARCTYPE_ARP_OLD 241 /* address resolution protocol */
90 #define ARCTYPE_IP 212 /* IP protocol */
91 #define ARCTYPE_ARP 213 /* address resolution protocol */
92 #define ARCTYPE_REVARP 214 /* reverse addr resolution protocol */
94 #define ARCTYPE_ATALK 221 /* Appletalk */
95 #define ARCTYPE_BANIAN 247 /* Banyan Vines */
96 #define ARCTYPE_IPX 250 /* Novell IPX */
98 #define ARCTYPE_INET6 0xc4 /* IPng */
99 #define ARCTYPE_DIAGNOSE 0x80 /* as per ANSI/ATA 878.1 */
104 #define ARC_PHDS_MAXMTU 60480
107 struct ifnet *ac_ifp; /* network-visible interface */
109 u_int16_t ac_seqid; /* seq. id used by PHDS encap. */
117 int sflag, fsflag, rsflag;
118 struct mbuf *curr_frag;
121 u_int8_t af_maxflag; /* from first packet */
122 u_int8_t af_lastseen; /* last split flag seen */
124 struct mbuf *af_packet;
125 } ac_fragtab[256]; /* indexed by sender ll address */
129 extern u_int8_t arcbroadcastaddr;
130 extern int arc_ipmtu; /* XXX new ip only, no RFC 1051! */
132 void arc_ifattach(struct ifnet *, u_int8_t);
133 void arc_ifdetach(struct ifnet *);
134 void arc_storelladdr(struct ifnet *, u_int8_t);
135 int arc_isphds(u_int8_t);
136 void arc_input(struct ifnet *, struct mbuf *);
137 int arc_output(struct ifnet *, struct mbuf *,
138 const struct sockaddr *, struct route *);
139 int arc_ioctl(struct ifnet *, u_long, caddr_t);
141 void arc_frag_init(struct ifnet *);
142 struct mbuf * arc_frag_next(struct ifnet *);
145 #endif /* _NET_IF_ARC_H_ */