| 1 | /*
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| 2 | * Copyright (c) 1990,1991 Regents of The University of Michigan.
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| 3 | * All Rights Reserved.
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| 4 | *
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| 5 | * Permission to use, copy, modify, and distribute this software and
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| 6 | * its documentation for any purpose and without fee is hereby granted,
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| 7 | * provided that the above copyright notice appears in all copies and
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| 8 | * that both that copyright notice and this permission notice appear
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| 9 | * in supporting documentation, and that the name of The University
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| 10 | * of Michigan not be used in advertising or publicity pertaining to
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| 11 | * distribution of the software without specific, written prior
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| 12 | * permission. This software is supplied as is without expressed or
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| 13 | * implied warranties of any kind.
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| 14 | *
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| 15 | * Research Systems Unix Group
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| 16 | * The University of Michigan
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| 17 | * c/o Mike Clark
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| 18 | * 535 W. William Street
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| 19 | * Ann Arbor, Michigan
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| 20 | * +1-313-763-0525
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| 21 | * [email protected]
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| 22 | */
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| 23 |
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| 24 | #ifndef __AT_HEADER__
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| 25 | #define __AT_HEADER__
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| 26 | /*
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| 27 | * Supported protocols
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| 28 | */
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| 29 | #define ATPROTO_DDP 0
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| 30 | #define ATPROTO_AARP 254
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| 31 |
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| 32 | /*
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| 33 | * Ethernet types, for DIX.
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| 34 | * These should really be in some global header file, but we can't
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| 35 | * count on them being there, and it's annoying to patch system files.
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| 36 | */
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| 37 | #define ETHERTYPE_AT 0x809B /* AppleTalk protocol */
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| 38 | #define ETHERTYPE_AARP 0x80F3 /* AppleTalk ARP */
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| 39 |
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| 40 | #define DDP_MAXSZ 587
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| 41 |
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| 42 | /*
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| 43 | * If ATPORT_FIRST <= Port < ATPORT_RESERVED,
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| 44 | * Port was created by a privileged process.
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| 45 | * If ATPORT_RESERVED <= Port < ATPORT_LAST,
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| 46 | * Port was not necessarily created by a
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| 47 | * privileged process.
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| 48 | */
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| 49 | #define ATPORT_FIRST 1
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| 50 | #define ATPORT_RESERVED 128
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| 51 | #define ATPORT_LAST 255
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| 52 |
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| 53 | /*
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| 54 | * AppleTalk address.
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| 55 | */
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| 56 | struct at_addr {
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| 57 | u_short s_net;
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| 58 | u_char s_node;
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| 59 | };
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| 60 |
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| 61 | #define ATADDR_ANYNET (u_short)0x0000
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| 62 | #define ATADDR_ANYNODE (u_char)0x00
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| 63 | #define ATADDR_ANYPORT (u_char)0x00
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| 64 | #define ATADDR_BCAST (u_char)0xff /* There is no BCAST for NET */
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| 65 |
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| 66 | struct netrange {
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| 67 | u_char nr_phase;
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| 68 | u_short nr_firstnet;
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| 69 | u_short nr_lastnet;
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| 70 | };
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| 71 |
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| 72 | /*
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| 73 | * Socket address, AppleTalk style. We keep magic information in the
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| 74 | * zero bytes. There are three types, NONE, CONFIG which has the phase
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| 75 | * and a net range, and IFACE which has the network address of an
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| 76 | * interface. IFACE may be filled in by the client, and is filled in
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| 77 | * by the kernel.
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| 78 | */
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| 79 | struct sockaddr_at {
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| 80 | u_char sat_len;
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| 81 | u_char sat_family;
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| 82 | u_char sat_port;
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| 83 | struct at_addr sat_addr;
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| 84 | union {
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| 85 | struct netrange r_netrange;
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| 86 | char r_zero[ 8 ]; /* Hide a struct netrange in here */
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| 87 | } sat_range;
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| 88 | };
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| 89 |
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| 90 | #define sat_zero sat_range.r_zero
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| 91 |
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| 92 | #endif /* !__AT_HEADER__ */
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