1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
/* $NetBSD: if_arc.h,v 1.13 1999/11/19 20:41:19 thorpej Exp $ */
/* $FreeBSD$ */
/*-
* 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.
* 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
*/
#ifndef _NET_IF_ARC_H_
#define _NET_IF_ARC_H_
/*
* Arcnet address - 1 octets
* don't know who uses this.
*/
struct arc_addr {
u_int8_t arc_addr_octet[1];
} __packed;
/*
* 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 */
} __packed;
#define ARC_ADDR_LEN 1
#define ARC_HDRLEN 3
#define ARC_HDRNEWLEN 6
#define ARC_HDRNEWLEN_EXC 10
/* 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
#define ARC_MAX_DATA 504
/* 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 ARCTYPE_DIAGNOSE 0x80 /* as per ANSI/ATA 878.1 */
#define ARCMTU 507
#define ARCMIN 0
#define ARC_PHDS_MAXMTU 60480
struct arccom {
struct ifnet *ac_ifp; /* network-visible interface */
u_int16_t ac_seqid; /* seq. id used by PHDS encap. */
u_int8_t arc_shost;
u_int8_t arc_dhost;
u_int8_t arc_type;
u_int8_t dummy0;
u_int16_t dummy1;
int sflag, fsflag, rsflag;
struct mbuf *curr_frag;
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
extern u_int8_t arcbroadcastaddr;
extern int arc_ipmtu; /* XXX new ip only, no RFC 1051! */
void arc_ifattach(struct ifnet *, u_int8_t);
void arc_ifdetach(struct ifnet *);
void arc_storelladdr(struct ifnet *, u_int8_t);
int arc_isphds(u_int8_t);
void arc_input(struct ifnet *, struct mbuf *);
int arc_output(struct ifnet *, struct mbuf *,
struct sockaddr *, struct rtentry *);
int arc_ioctl(struct ifnet *, int, caddr_t);
void arc_frag_init(struct ifnet *);
struct mbuf * arc_frag_next(struct ifnet *);
#endif
#endif /* _NET_IF_ARC_H_ */
|
