appletalk.h revision 75115 
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: /tcpdump/master/tcpdump/appletalk.h,v 1.13 2000/10/03 02:54:54 itojun Exp $ (LBL)
24 */
25
26struct LAP {
27	u_int8_t	dst;
28	u_int8_t	src;
29	u_int8_t	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_int16_t	length;
39	u_int16_t	checksum;
40	u_int16_t	dstNet;
41	u_int16_t	srcNet;
42	u_int8_t	dstNode;
43	u_int8_t	srcNode;
44	u_int8_t	dstSkt;
45	u_int8_t	srcSkt;
46	u_int8_t	type;
47};
48
49struct atShortDDP {
50	u_int16_t	length;
51	u_int8_t	dstSkt;
52	u_int8_t	srcSkt;
53	u_int8_t	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_int8_t	control;
77	u_int8_t	bitmap;
78	u_int16_t	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_int8_t	echoFunction;
98	u_int8_t	*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_int8_t	control;
111	u_int8_t	id;
112};
113
114struct atNBPtuple {
115	u_int16_t	net;
116	u_int8_t	node;
117	u_int8_t	skt;
118	u_int8_t	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_int8_t	command;
145	u_int8_t	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))
168