Watt-32 tcp/ip  2.2 dev-rel.10
if_arc.h
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1 
5 /* $NetBSD: if_arc.h,v 1.6 1997/03/15 18:12:30 is Exp $ */
6 
7 /*
8  * Copyright (c) 1982, 1986, 1993
9  * The Regents of the University of California. All rights reserved.
10  *
11  * Redistribution and use in source and binary forms, with or without
12  * modification, are permitted provided that the following conditions
13  * are met:
14  * 1. Redistributions of source code must retain the above copyright
15  * notice, this list of conditions and the following disclaimer.
16  * 2. Redistributions in binary form must reproduce the above copyright
17  * notice, this list of conditions and the following disclaimer in the
18  * documentation and/or other materials provided with the distribution.
19  * 3. All advertising materials mentioning features or use of this software
20  * must display the following acknowledgement:
21  * This product includes software developed by the University of
22  * California, Berkeley and its contributors.
23  * 4. Neither the name of the University nor the names of its contributors
24  * may be used to endorse or promote products derived from this software
25  * without specific prior written permission.
26  *
27  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
28  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
30  * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
31  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
32  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
33  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
34  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
35  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
36  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
37  * SUCH DAMAGE.
38  *
39  * from: NetBSD: if_ether.h,v 1.10 1994/06/29 06:37:55 cgd Exp
40  * @(#)if_ether.h 8.1 (Berkeley) 6/10/93
41  */
42 
43 #ifndef __NET_IF_ARC_H
44 #define __NET_IF_ARC_H
45 
46 #ifndef __SYS_MBUF_H
47 #include <sys/mbuf.h>
48 #endif
49 
50 #include <sys/pack_on.h>
51 
52 /*
53  * Arcnet address - 1 octets
54  * don't know who uses this.
55  */
56 struct arc_addr {
57  u_int8_t arc_addr_octet[1];
58 };
59 
60 /*
61  * Structure of a 2.5MB/s Arcnet header.
62  * as given to interface code.
63  */
64 struct arc_header {
65  u_int8_t arc_shost;
66  u_int8_t arc_dhost;
67  u_int8_t arc_type;
68  /*
69  * only present for newstyle encoding with LL fragmentation.
70  * Don't use sizeof(anything), use ARC_HDR{,NEW}LEN instead.
71  */
72  u_int8_t arc_flag;
73  u_int16_t arc_seqid;
74 
75  /*
76  * only present in exception packets (arc_flag == 0xff)
77  */
78  u_int8_t arc_type2; /* same as arc_type */
79  u_int8_t arc_flag2; /* real flag value */
80  u_int16_t arc_seqid2; /* real seqid value */
81 };
82 
83 #define ARC_ADDR_LEN 1
84 
85 #define ARC_HDRLEN 3
86 #define ARC_HDRNEWLEN 6
87 
88 /* these lengths are data link layer length - 2*ARC_ADDR_LEN */
89 #define ARC_MIN_LEN 1
90 #define ARC_MIN_FORBID_LEN 254
91 #define ARC_MAX_FORBID_LEN 256
92 #define ARC_MAX_LEN 508
93 
94 
95 /* RFC 1051 */
96 #define ARCTYPE_IP_OLD 240 /* IP protocol */
97 #define ARCTYPE_ARP_OLD 241 /* address resolution protocol */
98 
99 /* RFC 1201 */
100 #define ARCTYPE_IP 212 /* IP protocol */
101 #define ARCTYPE_ARP 213 /* address resolution protocol */
102 #define ARCTYPE_REVARP 214 /* reverse addr resolution protocol */
103 
104 #define ARCTYPE_ATALK 221 /* Appletalk */
105 #define ARCTYPE_BANIAN 247 /* Banyan Vines */
106 #define ARCTYPE_IPX 250 /* Novell IPX */
107 
108 #define ARCMTU 507
109 #define ARCMIN 0
110 
111 struct arccom {
112  struct ifnet ac_if; /* network-visible interface */
113 
114  u_int16_t ac_seqid; /* seq. id used by PHDS encap. */
115 
116  struct ac_frag {
117  u_int8_t af_maxflag; /* from first packet */
118  u_int8_t af_lastseen; /* last split flag seen */
119  u_int16_t af_seqid;
120  struct mbuf *af_packet;
121  } ac_fragtab[256]; /* indexed by sender ll address */
122 
123 };
124 
125 #include <sys/pack_off.h>
126 
127 #endif
Definition: if.h:130
Definition: if_arc.h:111
Definition: mbuf.h:6