167 lines
4.1 KiB
C
167 lines
4.1 KiB
C
/*
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* Copyright (c) 1988, 1989, 1990, 1993, 1994, 1995, 1996
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that: (1) source code distributions
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* retain the above copyright notice and this paragraph in its entirety, (2)
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* distributions including binary code include the above copyright notice and
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* this paragraph in its entirety in the documentation or other materials
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* provided with the distribution, and (3) all advertising materials mentioning
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* features or use of this software display the following acknowledgement:
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* ``This product includes software developed by the University of California,
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* Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
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* the University nor the names of its contributors may be used to endorse
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* or promote products derived from this software without specific prior
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* written permission.
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* THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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*
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* AppleTalk protocol formats (courtesy Bill Croft of Stanford/SUMEX).
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*/
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struct LAP {
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uint8_t dst;
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uint8_t src;
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uint8_t type;
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};
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#define lapShortDDP 1 /* short DDP type */
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#define lapDDP 2 /* DDP type */
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#define lapKLAP 'K' /* Kinetics KLAP type */
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/* Datagram Delivery Protocol */
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struct atDDP {
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uint16_t length;
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uint16_t checksum;
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uint16_t dstNet;
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uint16_t srcNet;
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uint8_t dstNode;
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uint8_t srcNode;
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uint8_t dstSkt;
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uint8_t srcSkt;
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uint8_t type;
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};
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struct atShortDDP {
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uint16_t length;
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uint8_t dstSkt;
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uint8_t srcSkt;
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uint8_t type;
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};
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#define ddpMaxWKS 0x7F
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#define ddpMaxData 586
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#define ddpLengthMask 0x3FF
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#define ddpHopShift 10
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#define ddpSize 13 /* size of DDP header (avoid struct padding) */
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#define ddpSSize 5
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#define ddpWKS 128 /* boundary of DDP well known sockets */
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#define ddpRTMP 1 /* RTMP type */
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#define ddpRTMPrequest 5 /* RTMP request type */
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#define ddpNBP 2 /* NBP type */
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#define ddpATP 3 /* ATP type */
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#define ddpECHO 4 /* ECHO type */
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#define ddpIP 22 /* IP type */
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#define ddpARP 23 /* ARP type */
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#define ddpEIGRP 88 /* EIGRP over Appletalk */
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#define ddpKLAP 0x4b /* Kinetics KLAP type */
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/* AppleTalk Transaction Protocol */
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struct atATP {
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uint8_t control;
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uint8_t bitmap;
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uint16_t transID;
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int32_t userData;
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};
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#define atpReqCode 0x40
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#define atpRspCode 0x80
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#define atpRelCode 0xC0
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#define atpXO 0x20
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#define atpEOM 0x10
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#define atpSTS 0x08
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#define atpFlagMask 0x3F
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#define atpControlMask 0xF8
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#define atpMaxNum 8
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#define atpMaxData 578
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/* AppleTalk Echo Protocol */
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struct atEcho {
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uint8_t echoFunction;
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uint8_t *echoData;
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};
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#define echoSkt 4 /* the echoer socket */
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#define echoSize 1 /* size of echo header */
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#define echoRequest 1 /* echo request */
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#define echoReply 2 /* echo request */
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/* Name Binding Protocol */
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struct atNBP {
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uint8_t control;
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uint8_t id;
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};
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struct atNBPtuple {
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uint16_t net;
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uint8_t node;
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uint8_t skt;
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uint8_t enumerator;
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};
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#define nbpBrRq 0x10
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#define nbpLkUp 0x20
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#define nbpLkUpReply 0x30
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#define nbpNIS 2
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#define nbpTupleMax 15
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#define nbpHeaderSize 2
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#define nbpTupleSize 5
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#define nbpSkt 2 /* NIS */
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/* Routing Table Maint. Protocol */
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#define rtmpSkt 1 /* number of RTMP socket */
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#define rtmpSize 4 /* minimum size */
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#define rtmpTupleSize 3
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/* Zone Information Protocol */
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struct zipHeader {
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uint8_t command;
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uint8_t netcount;
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};
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#define zipHeaderSize 2
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#define zipQuery 1
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#define zipReply 2
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#define zipTakedown 3
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#define zipBringup 4
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#define ddpZIP 6
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#define zipSkt 6
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#define GetMyZone 7
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#define GetZoneList 8
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/*
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* UDP port range used for ddp-in-udp encapsulation is 16512-16639
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* for client sockets (128-255) and 200-327 for server sockets
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* (0-127). We also try to recognize the pre-April 88 server
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* socket range of 768-895.
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*/
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#define atalk_port(p) \
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(((unsigned)((p) - 16512) < 128) || \
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((unsigned)((p) - 200) < 128) || \
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((unsigned)((p) - 768) < 128))
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