| 1 | /* |
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| 2 | * Copyright (c) 1992, 1994, 1996 |
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| 3 | * The Regents of the University of California. All rights reserved. |
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| 4 | * |
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| 5 | * Redistribution and use in source and binary forms, with or without |
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| 6 | * modification, are permitted provided that: (1) source code distributions |
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| 7 | * retain the above copyright notice and this paragraph in its entirety, (2) |
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| 8 | * distributions including binary code include the above copyright notice and |
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| 9 | * this paragraph in its entirety in the documentation or other materials |
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| 10 | * provided with the distribution, and (3) all advertising materials mentioning |
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| 11 | * features or use of this software display the following acknowledgement: |
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| 12 | * ``This product includes software developed by the University of California, |
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| 13 | * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of |
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| 14 | * the University nor the names of its contributors may be used to endorse |
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| 15 | * or promote products derived from this software without specific prior |
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| 16 | * written permission. |
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| 17 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED |
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| 18 | * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF |
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| 19 | * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
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| 20 | * |
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| 21 | * @(#) $Header: /tcpdump/master/tcpdump/decnet.h,v 1.11 2002-12-11 07:13:50 guy Exp $ (LBL) |
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| 22 | */ |
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| 23 | |
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| 24 | #ifndef WIN32 |
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| 25 | typedef u_int8_t byte[1]; /* single byte field */ |
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| 26 | #else |
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| 27 | /* |
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| 28 | * the keyword 'byte' generates conflicts in Windows |
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| 29 | */ |
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| 30 | typedef unsigned char Byte[1]; /* single byte field */ |
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| 31 | #define byte Byte |
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| 32 | #endif /* WIN32 */ |
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| 33 | typedef u_int8_t word[2]; /* 2 byte field */ |
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| 34 | typedef u_int8_t longword[4]; /* 4 bytes field */ |
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| 35 | |
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| 36 | /* |
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| 37 | * Definitions for DECNET Phase IV protocol headers |
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| 38 | */ |
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| 39 | union etheraddress { |
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| 40 | u_int8_t dne_addr[6]; /* full ethernet address */ |
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| 41 | struct { |
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| 42 | u_int8_t dne_hiord[4]; /* DECnet HIORD prefix */ |
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| 43 | u_int8_t dne_nodeaddr[2]; /* DECnet node address */ |
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| 44 | } dne_remote; |
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| 45 | }; |
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| 46 | |
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| 47 | typedef union etheraddress etheraddr; /* Ethernet address */ |
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| 48 | |
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| 49 | #define HIORD 0x000400aa /* high 32-bits of address (swapped) */ |
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| 50 | |
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| 51 | #define AREAMASK 0176000 /* mask for area field */ |
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| 52 | #define AREASHIFT 10 /* bit-offset for area field */ |
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| 53 | #define NODEMASK 01777 /* mask for node address field */ |
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| 54 | |
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| 55 | #define DN_MAXADDL 20 /* max size of DECnet address */ |
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| 56 | struct dn_naddr { |
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| 57 | u_int16_t a_len; /* length of address */ |
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| 58 | u_int8_t a_addr[DN_MAXADDL]; /* address as bytes */ |
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| 59 | }; |
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| 60 | |
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| 61 | /* |
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| 62 | * Define long and short header formats. |
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| 63 | */ |
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| 64 | struct shorthdr |
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| 65 | { |
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| 66 | byte sh_flags; /* route flags */ |
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| 67 | word sh_dst; /* destination node address */ |
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| 68 | word sh_src; /* source node address */ |
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| 69 | byte sh_visits; /* visit count */ |
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| 70 | }; |
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| 71 | |
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| 72 | struct longhdr |
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| 73 | { |
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| 74 | byte lg_flags; /* route flags */ |
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| 75 | byte lg_darea; /* destination area (reserved) */ |
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| 76 | byte lg_dsarea; /* destination subarea (reserved) */ |
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| 77 | etheraddr lg_dst; /* destination id */ |
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| 78 | byte lg_sarea; /* source area (reserved) */ |
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| 79 | byte lg_ssarea; /* source subarea (reserved) */ |
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| 80 | etheraddr lg_src; /* source id */ |
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| 81 | byte lg_nextl2; /* next level 2 router (reserved) */ |
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| 82 | byte lg_visits; /* visit count */ |
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| 83 | byte lg_service; /* service class (reserved) */ |
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| 84 | byte lg_pt; /* protocol type (reserved) */ |
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| 85 | }; |
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| 86 | |
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| 87 | union routehdr |
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| 88 | { |
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| 89 | struct shorthdr rh_short; /* short route header */ |
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| 90 | struct longhdr rh_long; /* long route header */ |
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| 91 | }; |
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| 92 | |
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| 93 | /* |
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| 94 | * Define the values of various fields in the protocol messages. |
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| 95 | * |
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| 96 | * 1. Data packet formats. |
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| 97 | */ |
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| 98 | #define RMF_MASK 7 /* mask for message type */ |
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| 99 | #define RMF_SHORT 2 /* short message format */ |
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| 100 | #define RMF_LONG 6 /* long message format */ |
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| 101 | #ifndef RMF_RQR |
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| 102 | #define RMF_RQR 010 /* request return to sender */ |
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| 103 | #define RMF_RTS 020 /* returning to sender */ |
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| 104 | #define RMF_IE 040 /* intra-ethernet packet */ |
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| 105 | #endif /* RMR_RQR */ |
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| 106 | #define RMF_FVER 0100 /* future version flag */ |
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| 107 | #define RMF_PAD 0200 /* pad field */ |
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| 108 | #define RMF_PADMASK 0177 /* pad field mask */ |
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| 109 | |
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| 110 | #define VIS_MASK 077 /* visit field mask */ |
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| 111 | |
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| 112 | /* |
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| 113 | * 2. Control packet formats. |
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| 114 | */ |
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| 115 | #define RMF_CTLMASK 017 /* mask for message type */ |
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| 116 | #define RMF_CTLMSG 01 /* control message indicator */ |
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| 117 | #define RMF_INIT 01 /* initialization message */ |
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| 118 | #define RMF_VER 03 /* verification message */ |
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| 119 | #define RMF_TEST 05 /* hello and test message */ |
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| 120 | #define RMF_L1ROUT 07 /* level 1 routing message */ |
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| 121 | #define RMF_L2ROUT 011 /* level 2 routing message */ |
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| 122 | #define RMF_RHELLO 013 /* router hello message */ |
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| 123 | #define RMF_EHELLO 015 /* endnode hello message */ |
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| 124 | |
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| 125 | #define TI_L2ROUT 01 /* level 2 router */ |
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| 126 | #define TI_L1ROUT 02 /* level 1 router */ |
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| 127 | #define TI_ENDNODE 03 /* endnode */ |
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| 128 | #define TI_VERIF 04 /* verification required */ |
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| 129 | #define TI_BLOCK 010 /* blocking requested */ |
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| 130 | |
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| 131 | #define VE_VERS 2 /* version number (2) */ |
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| 132 | #define VE_ECO 0 /* ECO number */ |
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| 133 | #define VE_UECO 0 /* user ECO number (0) */ |
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| 134 | |
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| 135 | #define P3_VERS 1 /* phase III version number (1) */ |
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| 136 | #define P3_ECO 3 /* ECO number (3) */ |
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| 137 | #define P3_UECO 0 /* user ECO number (0) */ |
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| 138 | |
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| 139 | #define II_L2ROUT 01 /* level 2 router */ |
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| 140 | #define II_L1ROUT 02 /* level 1 router */ |
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| 141 | #define II_ENDNODE 03 /* endnode */ |
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| 142 | #define II_VERIF 04 /* verification required */ |
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| 143 | #define II_NOMCAST 040 /* no multicast traffic accepted */ |
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| 144 | #define II_BLOCK 0100 /* blocking requested */ |
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| 145 | #define II_TYPEMASK 03 /* mask for node type */ |
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| 146 | |
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| 147 | #define TESTDATA 0252 /* test data bytes */ |
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| 148 | #define TESTLEN 1 /* length of transmitted test data */ |
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| 149 | |
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| 150 | /* |
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| 151 | * Define control message formats. |
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| 152 | */ |
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| 153 | struct initmsgIII /* phase III initialization message */ |
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| 154 | { |
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| 155 | byte inIII_flags; /* route flags */ |
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| 156 | word inIII_src; /* source node address */ |
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| 157 | byte inIII_info; /* routing layer information */ |
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| 158 | word inIII_blksize; /* maximum data link block size */ |
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| 159 | byte inIII_vers; /* version number */ |
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| 160 | byte inIII_eco; /* ECO number */ |
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| 161 | byte inIII_ueco; /* user ECO number */ |
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| 162 | byte inIII_rsvd; /* reserved image field */ |
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| 163 | }; |
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| 164 | |
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| 165 | struct initmsg /* initialization message */ |
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| 166 | { |
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| 167 | byte in_flags; /* route flags */ |
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| 168 | word in_src; /* source node address */ |
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| 169 | byte in_info; /* routing layer information */ |
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| 170 | word in_blksize; /* maximum data link block size */ |
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| 171 | byte in_vers; /* version number */ |
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| 172 | byte in_eco; /* ECO number */ |
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| 173 | byte in_ueco; /* user ECO number */ |
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| 174 | word in_hello; /* hello timer */ |
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| 175 | byte in_rsvd; /* reserved image field */ |
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| 176 | }; |
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| 177 | |
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| 178 | struct verifmsg /* verification message */ |
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| 179 | { |
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| 180 | byte ve_flags; /* route flags */ |
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| 181 | word ve_src; /* source node address */ |
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| 182 | byte ve_fcnval; /* function value image field */ |
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| 183 | }; |
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| 184 | |
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| 185 | struct testmsg /* hello and test message */ |
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| 186 | { |
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| 187 | byte te_flags; /* route flags */ |
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| 188 | word te_src; /* source node address */ |
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| 189 | byte te_data; /* test data image field */ |
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| 190 | }; |
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| 191 | |
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| 192 | struct l1rout /* level 1 routing message */ |
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| 193 | { |
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| 194 | byte r1_flags; /* route flags */ |
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| 195 | word r1_src; /* source node address */ |
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| 196 | byte r1_rsvd; /* reserved field */ |
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| 197 | }; |
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| 198 | |
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| 199 | struct l2rout /* level 2 routing message */ |
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| 200 | { |
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| 201 | byte r2_flags; /* route flags */ |
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| 202 | word r2_src; /* source node address */ |
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| 203 | byte r2_rsvd; /* reserved field */ |
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| 204 | }; |
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| 205 | |
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| 206 | struct rhellomsg /* router hello message */ |
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| 207 | { |
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| 208 | byte rh_flags; /* route flags */ |
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| 209 | byte rh_vers; /* version number */ |
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| 210 | byte rh_eco; /* ECO number */ |
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| 211 | byte rh_ueco; /* user ECO number */ |
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| 212 | etheraddr rh_src; /* source id */ |
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| 213 | byte rh_info; /* routing layer information */ |
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| 214 | word rh_blksize; /* maximum data link block size */ |
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| 215 | byte rh_priority; /* router's priority */ |
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| 216 | byte rh_area; /* reserved */ |
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| 217 | word rh_hello; /* hello timer */ |
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| 218 | byte rh_mpd; /* reserved */ |
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| 219 | }; |
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| 220 | |
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| 221 | struct ehellomsg /* endnode hello message */ |
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| 222 | { |
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| 223 | byte eh_flags; /* route flags */ |
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| 224 | byte eh_vers; /* version number */ |
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| 225 | byte eh_eco; /* ECO number */ |
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| 226 | byte eh_ueco; /* user ECO number */ |
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| 227 | etheraddr eh_src; /* source id */ |
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| 228 | byte eh_info; /* routing layer information */ |
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| 229 | word eh_blksize; /* maximum data link block size */ |
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| 230 | byte eh_area; /* area (reserved) */ |
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| 231 | byte eh_seed[8]; /* verification seed */ |
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| 232 | etheraddr eh_router; /* designated router */ |
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| 233 | word eh_hello; /* hello timer */ |
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| 234 | byte eh_mpd; /* (reserved) */ |
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| 235 | byte eh_data; /* test data image field */ |
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| 236 | }; |
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| 237 | |
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| 238 | union controlmsg |
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| 239 | { |
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| 240 | struct initmsg cm_init; /* initialization message */ |
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| 241 | struct verifmsg cm_ver; /* verification message */ |
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| 242 | struct testmsg cm_test; /* hello and test message */ |
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| 243 | struct l1rout cm_l1rou; /* level 1 routing message */ |
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| 244 | struct l2rout cm_l2rout; /* level 2 routing message */ |
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| 245 | struct rhellomsg cm_rhello; /* router hello message */ |
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| 246 | struct ehellomsg cm_ehello; /* endnode hello message */ |
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| 247 | }; |
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| 248 | |
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| 249 | /* Macros for decoding routing-info fields */ |
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| 250 | #define RI_COST(x) ((x)&0777) |
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| 251 | #define RI_HOPS(x) (((x)>>10)&037) |
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| 252 | |
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| 253 | /* |
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| 254 | * NSP protocol fields and values. |
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| 255 | */ |
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| 256 | |
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| 257 | #define NSP_TYPEMASK 014 /* mask to isolate type code */ |
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| 258 | #define NSP_SUBMASK 0160 /* mask to isolate subtype code */ |
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| 259 | #define NSP_SUBSHFT 4 /* shift to move subtype code */ |
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| 260 | |
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| 261 | #define MFT_DATA 0 /* data message */ |
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| 262 | #define MFT_ACK 04 /* acknowledgement message */ |
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| 263 | #define MFT_CTL 010 /* control message */ |
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| 264 | |
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| 265 | #define MFS_ILS 020 /* data or I/LS indicator */ |
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| 266 | #define MFS_BOM 040 /* beginning of message (data) */ |
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| 267 | #define MFS_MOM 0 /* middle of message (data) */ |
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| 268 | #define MFS_EOM 0100 /* end of message (data) */ |
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| 269 | #define MFS_INT 040 /* interrupt message */ |
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| 270 | |
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| 271 | #define MFS_DACK 0 /* data acknowledgement */ |
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| 272 | #define MFS_IACK 020 /* I/LS acknowledgement */ |
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| 273 | #define MFS_CACK 040 /* connect acknowledgement */ |
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| 274 | |
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| 275 | #define MFS_NOP 0 /* no operation */ |
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| 276 | #define MFS_CI 020 /* connect initiate */ |
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| 277 | #define MFS_CC 040 /* connect confirm */ |
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| 278 | #define MFS_DI 060 /* disconnect initiate */ |
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| 279 | #define MFS_DC 0100 /* disconnect confirm */ |
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| 280 | #define MFS_RCI 0140 /* retransmitted connect initiate */ |
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| 281 | |
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| 282 | #define SGQ_ACK 0100000 /* ack */ |
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| 283 | #define SGQ_NAK 0110000 /* negative ack */ |
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| 284 | #define SGQ_OACK 0120000 /* other channel ack */ |
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| 285 | #define SGQ_ONAK 0130000 /* other channel negative ack */ |
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| 286 | #define SGQ_MASK 07777 /* mask to isolate seq # */ |
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| 287 | #define SGQ_OTHER 020000 /* other channel qualifier */ |
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| 288 | #define SGQ_DELAY 010000 /* ack delay flag */ |
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| 289 | |
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| 290 | #define SGQ_EOM 0100000 /* pseudo flag for end-of-message */ |
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| 291 | |
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| 292 | #define LSM_MASK 03 /* mask for modifier field */ |
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| 293 | #define LSM_NOCHANGE 0 /* no change */ |
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| 294 | #define LSM_DONOTSEND 1 /* do not send data */ |
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| 295 | #define LSM_SEND 2 /* send data */ |
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| 296 | |
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| 297 | #define LSI_MASK 014 /* mask for interpretation field */ |
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| 298 | #define LSI_DATA 0 /* data segment or message count */ |
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| 299 | #define LSI_INTR 4 /* interrupt request count */ |
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| 300 | #define LSI_INTM 0377 /* funny marker for int. message */ |
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| 301 | |
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| 302 | #define COS_MASK 014 /* mask for flow control field */ |
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| 303 | #define COS_NONE 0 /* no flow control */ |
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| 304 | #define COS_SEGMENT 04 /* segment flow control */ |
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| 305 | #define COS_MESSAGE 010 /* message flow control */ |
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| 306 | #define COS_CRYPTSER 020 /* cryptographic services requested */ |
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| 307 | #define COS_DEFAULT 1 /* default value for field */ |
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| 308 | |
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| 309 | #define COI_MASK 3 /* mask for version field */ |
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| 310 | #define COI_32 0 /* version 3.2 */ |
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| 311 | #define COI_31 1 /* version 3.1 */ |
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| 312 | #define COI_40 2 /* version 4.0 */ |
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| 313 | #define COI_41 3 /* version 4.1 */ |
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| 314 | |
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| 315 | #define MNU_MASK 140 /* mask for session control version */ |
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| 316 | #define MNU_10 000 /* session V1.0 */ |
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| 317 | #define MNU_20 040 /* session V2.0 */ |
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| 318 | #define MNU_ACCESS 1 /* access control present */ |
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| 319 | #define MNU_USRDATA 2 /* user data field present */ |
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| 320 | #define MNU_INVKPROXY 4 /* invoke proxy field present */ |
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| 321 | #define MNU_UICPROXY 8 /* use uic-based proxy */ |
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| 322 | |
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| 323 | #define DC_NORESOURCES 1 /* no resource reason code */ |
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| 324 | #define DC_NOLINK 41 /* no link terminate reason code */ |
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| 325 | #define DC_COMPLETE 42 /* disconnect complete reason code */ |
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| 326 | |
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| 327 | #define DI_NOERROR 0 /* user disconnect */ |
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| 328 | #define DI_SHUT 3 /* node is shutting down */ |
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| 329 | #define DI_NOUSER 4 /* destination end user does not exist */ |
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| 330 | #define DI_INVDEST 5 /* invalid end user destination */ |
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| 331 | #define DI_REMRESRC 6 /* insufficient remote resources */ |
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| 332 | #define DI_TPA 8 /* third party abort */ |
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| 333 | #define DI_PROTOCOL 7 /* protocol error discovered */ |
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| 334 | #define DI_ABORT 9 /* user abort */ |
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| 335 | #define DI_LOCALRESRC 32 /* insufficient local resources */ |
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| 336 | #define DI_REMUSERRESRC 33 /* insufficient remote user resources */ |
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| 337 | #define DI_BADACCESS 34 /* bad access control information */ |
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| 338 | #define DI_BADACCNT 36 /* bad ACCOUNT information */ |
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| 339 | #define DI_CONNECTABORT 38 /* connect request cancelled */ |
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| 340 | #define DI_TIMEDOUT 38 /* remote node or user crashed */ |
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| 341 | #define DI_UNREACHABLE 39 /* local timers expired due to ... */ |
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| 342 | #define DI_BADIMAGE 43 /* bad image data in connect */ |
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| 343 | #define DI_SERVMISMATCH 54 /* cryptographic service mismatch */ |
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| 344 | |
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| 345 | #define UC_OBJREJECT 0 /* object rejected connect */ |
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| 346 | #define UC_USERDISCONNECT 0 /* user disconnect */ |
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| 347 | #define UC_RESOURCES 1 /* insufficient resources (local or remote) */ |
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| 348 | #define UC_NOSUCHNODE 2 /* unrecognized node name */ |
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| 349 | #define UC_REMOTESHUT 3 /* remote node shutting down */ |
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| 350 | #define UC_NOSUCHOBJ 4 /* unrecognized object */ |
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| 351 | #define UC_INVOBJFORMAT 5 /* invalid object name format */ |
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| 352 | #define UC_OBJTOOBUSY 6 /* object too busy */ |
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| 353 | #define UC_NETWORKABORT 8 /* network abort */ |
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| 354 | #define UC_USERABORT 9 /* user abort */ |
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| 355 | #define UC_INVNODEFORMAT 10 /* invalid node name format */ |
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| 356 | #define UC_LOCALSHUT 11 /* local node shutting down */ |
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| 357 | #define UC_ACCESSREJECT 34 /* invalid access control information */ |
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| 358 | #define UC_NORESPONSE 38 /* no response from object */ |
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| 359 | #define UC_UNREACHABLE 39 /* node unreachable */ |
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| 360 | |
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| 361 | /* |
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| 362 | * NSP message formats. |
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| 363 | */ |
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| 364 | struct nsphdr /* general nsp header */ |
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| 365 | { |
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| 366 | byte nh_flags; /* message flags */ |
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| 367 | word nh_dst; /* destination link address */ |
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| 368 | word nh_src; /* source link address */ |
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| 369 | }; |
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| 370 | |
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| 371 | struct seghdr /* data segment header */ |
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| 372 | { |
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| 373 | byte sh_flags; /* message flags */ |
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| 374 | word sh_dst; /* destination link address */ |
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| 375 | word sh_src; /* source link address */ |
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| 376 | word sh_seq[3]; /* sequence numbers */ |
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| 377 | }; |
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| 378 | |
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| 379 | struct minseghdr /* minimum data segment header */ |
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| 380 | { |
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| 381 | byte ms_flags; /* message flags */ |
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| 382 | word ms_dst; /* destination link address */ |
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| 383 | word ms_src; /* source link address */ |
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| 384 | word ms_seq; /* sequence number */ |
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| 385 | }; |
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| 386 | |
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| 387 | struct lsmsg /* link service message (after hdr) */ |
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| 388 | { |
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| 389 | byte ls_lsflags; /* link service flags */ |
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| 390 | byte ls_fcval; /* flow control value */ |
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| 391 | }; |
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| 392 | |
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| 393 | struct ackmsg /* acknowledgement message */ |
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| 394 | { |
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| 395 | byte ak_flags; /* message flags */ |
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| 396 | word ak_dst; /* destination link address */ |
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| 397 | word ak_src; /* source link address */ |
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| 398 | word ak_acknum[2]; /* acknowledgement numbers */ |
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| 399 | }; |
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| 400 | |
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| 401 | struct minackmsg /* minimum acknowledgement message */ |
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| 402 | { |
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| 403 | byte mk_flags; /* message flags */ |
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| 404 | word mk_dst; /* destination link address */ |
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| 405 | word mk_src; /* source link address */ |
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| 406 | word mk_acknum; /* acknowledgement number */ |
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| 407 | }; |
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| 408 | |
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| 409 | struct ciackmsg /* connect acknowledgement message */ |
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| 410 | { |
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| 411 | byte ck_flags; /* message flags */ |
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| 412 | word ck_dst; /* destination link address */ |
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| 413 | }; |
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| 414 | |
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| 415 | struct cimsg /* connect initiate message */ |
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| 416 | { |
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| 417 | byte ci_flags; /* message flags */ |
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| 418 | word ci_dst; /* destination link address (0) */ |
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| 419 | word ci_src; /* source link address */ |
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| 420 | byte ci_services; /* requested services */ |
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| 421 | byte ci_info; /* information */ |
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| 422 | word ci_segsize; /* maximum segment size */ |
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| 423 | }; |
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| 424 | |
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| 425 | struct ccmsg /* connect confirm message */ |
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| 426 | { |
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| 427 | byte cc_flags; /* message flags */ |
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| 428 | word cc_dst; /* destination link address */ |
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| 429 | word cc_src; /* source link address */ |
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| 430 | byte cc_services; /* requested services */ |
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| 431 | byte cc_info; /* information */ |
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| 432 | word cc_segsize; /* maximum segment size */ |
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| 433 | byte cc_optlen; /* optional data length */ |
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| 434 | }; |
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| 435 | |
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| 436 | struct cnmsg /* generic connect message */ |
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| 437 | { |
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| 438 | byte cn_flags; /* message flags */ |
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| 439 | word cn_dst; /* destination link address */ |
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| 440 | word cn_src; /* source link address */ |
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| 441 | byte cn_services; /* requested services */ |
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| 442 | byte cn_info; /* information */ |
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| 443 | word cn_segsize; /* maximum segment size */ |
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| 444 | }; |
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| 445 | |
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| 446 | struct dimsg /* disconnect initiate message */ |
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| 447 | { |
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| 448 | byte di_flags; /* message flags */ |
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| 449 | word di_dst; /* destination link address */ |
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| 450 | word di_src; /* source link address */ |
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| 451 | word di_reason; /* reason code */ |
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| 452 | byte di_optlen; /* optional data length */ |
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| 453 | }; |
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| 454 | |
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| 455 | struct dcmsg /* disconnect confirm message */ |
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| 456 | { |
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| 457 | byte dc_flags; /* message flags */ |
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| 458 | word dc_dst; /* destination link address */ |
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| 459 | word dc_src; /* source link address */ |
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| 460 | word dc_reason; /* reason code */ |
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| 461 | }; |
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