xref: /freebsd/contrib/tcpdump/appletalk.h (revision 41466b50c1d5bfd1cf6adaae547a579a75d7c04e)
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 
26 struct 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 
37 struct 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 
49 struct 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 
75 struct 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 
96 struct 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 
109 struct atNBP {
110 	u_int8_t	control;
111 	u_int8_t	id;
112 };
113 
114 struct 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 
143 struct 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