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1/*
2 * Copyright (c) 1988, 1989, 1990, 1993, 1994, 1995, 1996
3 * The Regents of the University of California. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that: (1) source code distributions
7 * retain the above copyright notice and this paragraph in its entirety, (2)
8 * distributions including binary code include the above copyright notice and
9 * this paragraph in its entirety in the documentation or other materials
10 * provided with the distribution, and (3) all advertising materials mentioning
11 * features or use of this software display the following acknowledgement:
12 * ``This product includes software developed by the University of California,
13 * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
14 * the University nor the names of its contributors may be used to endorse
15 * or promote products derived from this software without specific prior
16 * written permission.
17 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
20 *
21 * AppleTalk protocol formats (courtesy Bill Croft of Stanford/SUMEX).
22 *
23 * @(#) $Header: appletalk.h,v 1.12 96/06/03 02:54:24 leres Exp $ (LBL)
23 * @(#) $Header: /tcpdump/master/tcpdump/appletalk.h,v 1.12.1.1 1999/10/07 23:47:09 mcr Exp $ (LBL)
24 */
25
26struct LAP {
27 u_char dst;
28 u_char src;
29 u_char type;
30};
31#define lapShortDDP 1 /* short DDP type */
32#define lapDDP 2 /* DDP type */
33#define lapKLAP 'K' /* Kinetics KLAP type */
34
35/* Datagram Delivery Protocol */
36
37struct atDDP {
38 u_short length;
39 u_short checksum;
40 u_short dstNet;
41 u_short srcNet;
42 u_char dstNode;
43 u_char srcNode;
44 u_char dstSkt;
45 u_char srcSkt;
46 u_char type;
47};
48
49struct atShortDDP {
50 u_short length;
51 u_char dstSkt;
52 u_char srcSkt;
53 u_char type;
54};
55
56#define ddpMaxWKS 0x7F
57#define ddpMaxData 586
58#define ddpLengthMask 0x3FF
59#define ddpHopShift 10
60#define ddpSize 13 /* size of DDP header (avoid struct padding) */
61#define ddpSSize 5
62#define ddpWKS 128 /* boundary of DDP well known sockets */
63#define ddpRTMP 1 /* RTMP type */
64#define ddpRTMPrequest 5 /* RTMP request type */
65#define ddpNBP 2 /* NBP type */
66#define ddpATP 3 /* ATP type */
67#define ddpECHO 4 /* ECHO type */
68#define ddpIP 22 /* IP type */
69#define ddpARP 23 /* ARP type */
70#define ddpKLAP 0x4b /* Kinetics KLAP type */
71
72
73/* AppleTalk Transaction Protocol */
74
75struct atATP {
76 u_char control;
77 u_char bitmap;
78 u_short transID;
79 int32_t userData;
80};
81
82#define atpReqCode 0x40
83#define atpRspCode 0x80
84#define atpRelCode 0xC0
85#define atpXO 0x20
86#define atpEOM 0x10
87#define atpSTS 0x08
88#define atpFlagMask 0x3F
89#define atpControlMask 0xF8
90#define atpMaxNum 8
91#define atpMaxData 578
92
93
94/* AppleTalk Echo Protocol */
95
96struct atEcho {
97 u_char echoFunction;
98 u_char *echoData;
99};
100
101#define echoSkt 4 /* the echoer socket */
102#define echoSize 1 /* size of echo header */
103#define echoRequest 1 /* echo request */
104#define echoReply 2 /* echo request */
105
106
107/* Name Binding Protocol */
108
109struct atNBP {
110 u_char control;
111 u_char id;
112};
113
114struct atNBPtuple {
115 u_short net;
116 u_char node;
117 u_char skt;
118 u_char enumerator;
119};
120
121#define nbpBrRq 0x10
122#define nbpLkUp 0x20
123#define nbpLkUpReply 0x30
124
125#define nbpNIS 2
126#define nbpTupleMax 15
127
128#define nbpHeaderSize 2
129#define nbpTupleSize 5
130
131#define nbpSkt 2 /* NIS */
132
133
134/* Routing Table Maint. Protocol */
135
136#define rtmpSkt 1 /* number of RTMP socket */
137#define rtmpSize 4 /* minimum size */
138#define rtmpTupleSize 3
139
140
141/* Zone Information Protocol */
142
143struct zipHeader {
144 u_char command;
145 u_char netcount;
146};
147
148#define zipHeaderSize 2
149#define zipQuery 1
150#define zipReply 2
151#define zipTakedown 3
152#define zipBringup 4
153#define ddpZIP 6
154#define zipSkt 6
155#define GetMyZone 7
156#define GetZoneList 8
157
158/*
159 * UDP port range used for ddp-in-udp encapsulation is 16512-16639
160 * for client sockets (128-255) and 200-327 for server sockets
161 * (0-127). We also try to recognize the pre-April 88 server
162 * socket range of 768-895.
163 */
164#define atalk_port(p) \
165 (((unsigned)((p) - 16512) < 128) || \
166 ((unsigned)((p) - 200) < 128) || \
167 ((unsigned)((p) - 768) < 128))