117680Spst/* 217680Spst * Copyright (c) 1992, 1994, 1996 317680Spst * The Regents of the University of California. All rights reserved. 417680Spst * 517680Spst * Redistribution and use in source and binary forms, with or without 617680Spst * modification, are permitted provided that: (1) source code distributions 717680Spst * retain the above copyright notice and this paragraph in its entirety, (2) 817680Spst * distributions including binary code include the above copyright notice and 917680Spst * this paragraph in its entirety in the documentation or other materials 1017680Spst * provided with the distribution, and (3) all advertising materials mentioning 1117680Spst * features or use of this software display the following acknowledgement: 1217680Spst * ``This product includes software developed by the University of California, 1317680Spst * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of 1417680Spst * the University nor the names of its contributors may be used to endorse 1517680Spst * or promote products derived from this software without specific prior 1617680Spst * written permission. 1717680Spst * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED 1817680Spst * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF 1917680Spst * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. 2017680Spst * 21190207Srpaulo * @(#) $Header: /tcpdump/master/tcpdump/decnet.h,v 1.11 2002-12-11 07:13:50 guy Exp $ (LBL) 2217680Spst */ 2317680Spst 24127668Sbms#ifndef WIN32 2575115Sfennertypedef u_int8_t byte[1]; /* single byte field */ 26127668Sbms#else 27127668Sbms/* 28127668Sbms * the keyword 'byte' generates conflicts in Windows 29127668Sbms */ 30127668Sbmstypedef unsigned char Byte[1]; /* single byte field */ 31127668Sbms#define byte Byte 32127668Sbms#endif /* WIN32 */ 3375115Sfennertypedef u_int8_t word[2]; /* 2 byte field */ 3475115Sfennertypedef u_int8_t longword[4]; /* 4 bytes field */ 3517680Spst 3617680Spst/* 3717680Spst * Definitions for DECNET Phase IV protocol headers 3817680Spst */ 3917680Spstunion etheraddress { 4075115Sfenner u_int8_t dne_addr[6]; /* full ethernet address */ 4117680Spst struct { 4275115Sfenner u_int8_t dne_hiord[4]; /* DECnet HIORD prefix */ 4375115Sfenner u_int8_t dne_nodeaddr[2]; /* DECnet node address */ 4417680Spst } dne_remote; 4517680Spst}; 4617680Spst 4717680Spsttypedef union etheraddress etheraddr; /* Ethernet address */ 4817680Spst 4917680Spst#define HIORD 0x000400aa /* high 32-bits of address (swapped) */ 5017680Spst 5117680Spst#define AREAMASK 0176000 /* mask for area field */ 5217680Spst#define AREASHIFT 10 /* bit-offset for area field */ 5317680Spst#define NODEMASK 01777 /* mask for node address field */ 5417680Spst 5517680Spst#define DN_MAXADDL 20 /* max size of DECnet address */ 5617680Spststruct dn_naddr { 5775115Sfenner u_int16_t a_len; /* length of address */ 5875115Sfenner u_int8_t a_addr[DN_MAXADDL]; /* address as bytes */ 5917680Spst}; 6017680Spst 6117680Spst/* 6217680Spst * Define long and short header formats. 6317680Spst */ 6417680Spststruct shorthdr 6517680Spst { 6617680Spst byte sh_flags; /* route flags */ 6717680Spst word sh_dst; /* destination node address */ 6817680Spst word sh_src; /* source node address */ 6917680Spst byte sh_visits; /* visit count */ 7017680Spst }; 7117680Spst 7217680Spststruct longhdr 7317680Spst { 7417680Spst byte lg_flags; /* route flags */ 7517680Spst byte lg_darea; /* destination area (reserved) */ 7617680Spst byte lg_dsarea; /* destination subarea (reserved) */ 7717680Spst etheraddr lg_dst; /* destination id */ 7817680Spst byte lg_sarea; /* source area (reserved) */ 7917680Spst byte lg_ssarea; /* source subarea (reserved) */ 8017680Spst etheraddr lg_src; /* source id */ 8117680Spst byte lg_nextl2; /* next level 2 router (reserved) */ 8217680Spst byte lg_visits; /* visit count */ 8317680Spst byte lg_service; /* service class (reserved) */ 8417680Spst byte lg_pt; /* protocol type (reserved) */ 8517680Spst }; 8617680Spst 8717680Spstunion routehdr 8817680Spst { 8917680Spst struct shorthdr rh_short; /* short route header */ 9017680Spst struct longhdr rh_long; /* long route header */ 9117680Spst }; 9217680Spst 9317680Spst/* 9417680Spst * Define the values of various fields in the protocol messages. 9517680Spst * 9617680Spst * 1. Data packet formats. 9717680Spst */ 9817680Spst#define RMF_MASK 7 /* mask for message type */ 9917680Spst#define RMF_SHORT 2 /* short message format */ 10017680Spst#define RMF_LONG 6 /* long message format */ 10117680Spst#ifndef RMF_RQR 10217680Spst#define RMF_RQR 010 /* request return to sender */ 10317680Spst#define RMF_RTS 020 /* returning to sender */ 10417680Spst#define RMF_IE 040 /* intra-ethernet packet */ 10517680Spst#endif /* RMR_RQR */ 10617680Spst#define RMF_FVER 0100 /* future version flag */ 10717680Spst#define RMF_PAD 0200 /* pad field */ 10817680Spst#define RMF_PADMASK 0177 /* pad field mask */ 10917680Spst 11017680Spst#define VIS_MASK 077 /* visit field mask */ 11117680Spst 11217680Spst/* 11317680Spst * 2. Control packet formats. 11417680Spst */ 11517680Spst#define RMF_CTLMASK 017 /* mask for message type */ 11617680Spst#define RMF_CTLMSG 01 /* control message indicator */ 11717680Spst#define RMF_INIT 01 /* initialization message */ 11817680Spst#define RMF_VER 03 /* verification message */ 11917680Spst#define RMF_TEST 05 /* hello and test message */ 12017680Spst#define RMF_L1ROUT 07 /* level 1 routing message */ 12117680Spst#define RMF_L2ROUT 011 /* level 2 routing message */ 12217680Spst#define RMF_RHELLO 013 /* router hello message */ 12317680Spst#define RMF_EHELLO 015 /* endnode hello message */ 12417680Spst 12517680Spst#define TI_L2ROUT 01 /* level 2 router */ 12617680Spst#define TI_L1ROUT 02 /* level 1 router */ 12717680Spst#define TI_ENDNODE 03 /* endnode */ 12817680Spst#define TI_VERIF 04 /* verification required */ 12917680Spst#define TI_BLOCK 010 /* blocking requested */ 13017680Spst 13117680Spst#define VE_VERS 2 /* version number (2) */ 13217680Spst#define VE_ECO 0 /* ECO number */ 13317680Spst#define VE_UECO 0 /* user ECO number (0) */ 13417680Spst 13517680Spst#define P3_VERS 1 /* phase III version number (1) */ 13617680Spst#define P3_ECO 3 /* ECO number (3) */ 13717680Spst#define P3_UECO 0 /* user ECO number (0) */ 13817680Spst 13917680Spst#define II_L2ROUT 01 /* level 2 router */ 14017680Spst#define II_L1ROUT 02 /* level 1 router */ 14117680Spst#define II_ENDNODE 03 /* endnode */ 14217680Spst#define II_VERIF 04 /* verification required */ 14317680Spst#define II_NOMCAST 040 /* no multicast traffic accepted */ 14417680Spst#define II_BLOCK 0100 /* blocking requested */ 14517680Spst#define II_TYPEMASK 03 /* mask for node type */ 14617680Spst 14717680Spst#define TESTDATA 0252 /* test data bytes */ 14817680Spst#define TESTLEN 1 /* length of transmitted test data */ 14917680Spst 15017680Spst/* 15117680Spst * Define control message formats. 15217680Spst */ 15317680Spststruct initmsgIII /* phase III initialization message */ 15417680Spst { 15517680Spst byte inIII_flags; /* route flags */ 15617680Spst word inIII_src; /* source node address */ 15717680Spst byte inIII_info; /* routing layer information */ 15817680Spst word inIII_blksize; /* maximum data link block size */ 15917680Spst byte inIII_vers; /* version number */ 16017680Spst byte inIII_eco; /* ECO number */ 16117680Spst byte inIII_ueco; /* user ECO number */ 16217680Spst byte inIII_rsvd; /* reserved image field */ 16317680Spst }; 16417680Spst 16517680Spststruct initmsg /* initialization message */ 16617680Spst { 16717680Spst byte in_flags; /* route flags */ 16817680Spst word in_src; /* source node address */ 16917680Spst byte in_info; /* routing layer information */ 17017680Spst word in_blksize; /* maximum data link block size */ 17117680Spst byte in_vers; /* version number */ 17217680Spst byte in_eco; /* ECO number */ 17317680Spst byte in_ueco; /* user ECO number */ 17417680Spst word in_hello; /* hello timer */ 17517680Spst byte in_rsvd; /* reserved image field */ 17617680Spst }; 17717680Spst 17817680Spststruct verifmsg /* verification message */ 17917680Spst { 18017680Spst byte ve_flags; /* route flags */ 18117680Spst word ve_src; /* source node address */ 18217680Spst byte ve_fcnval; /* function value image field */ 18317680Spst }; 18417680Spst 18517680Spststruct testmsg /* hello and test message */ 18617680Spst { 18717680Spst byte te_flags; /* route flags */ 18817680Spst word te_src; /* source node address */ 18917680Spst byte te_data; /* test data image field */ 19017680Spst }; 19117680Spst 19217680Spststruct l1rout /* level 1 routing message */ 19317680Spst { 19417680Spst byte r1_flags; /* route flags */ 19517680Spst word r1_src; /* source node address */ 19617680Spst byte r1_rsvd; /* reserved field */ 19717680Spst }; 19817680Spst 19917680Spststruct l2rout /* level 2 routing message */ 20017680Spst { 20117680Spst byte r2_flags; /* route flags */ 20217680Spst word r2_src; /* source node address */ 20317680Spst byte r2_rsvd; /* reserved field */ 20417680Spst }; 20517680Spst 20617680Spststruct rhellomsg /* router hello message */ 20717680Spst { 20817680Spst byte rh_flags; /* route flags */ 20917680Spst byte rh_vers; /* version number */ 21017680Spst byte rh_eco; /* ECO number */ 21117680Spst byte rh_ueco; /* user ECO number */ 21217680Spst etheraddr rh_src; /* source id */ 21317680Spst byte rh_info; /* routing layer information */ 21417680Spst word rh_blksize; /* maximum data link block size */ 21517680Spst byte rh_priority; /* router's priority */ 21617680Spst byte rh_area; /* reserved */ 21717680Spst word rh_hello; /* hello timer */ 21817680Spst byte rh_mpd; /* reserved */ 21917680Spst }; 22017680Spst 22117680Spststruct ehellomsg /* endnode hello message */ 22217680Spst { 22317680Spst byte eh_flags; /* route flags */ 22417680Spst byte eh_vers; /* version number */ 22517680Spst byte eh_eco; /* ECO number */ 22617680Spst byte eh_ueco; /* user ECO number */ 22717680Spst etheraddr eh_src; /* source id */ 22817680Spst byte eh_info; /* routing layer information */ 22917680Spst word eh_blksize; /* maximum data link block size */ 23017680Spst byte eh_area; /* area (reserved) */ 23117680Spst byte eh_seed[8]; /* verification seed */ 23217680Spst etheraddr eh_router; /* designated router */ 23317680Spst word eh_hello; /* hello timer */ 23417680Spst byte eh_mpd; /* (reserved) */ 23517680Spst byte eh_data; /* test data image field */ 23617680Spst }; 23717680Spst 23817680Spstunion controlmsg 23917680Spst { 24017680Spst struct initmsg cm_init; /* initialization message */ 24117680Spst struct verifmsg cm_ver; /* verification message */ 24217680Spst struct testmsg cm_test; /* hello and test message */ 24317680Spst struct l1rout cm_l1rou; /* level 1 routing message */ 24417680Spst struct l2rout cm_l2rout; /* level 2 routing message */ 24517680Spst struct rhellomsg cm_rhello; /* router hello message */ 24617680Spst struct ehellomsg cm_ehello; /* endnode hello message */ 24717680Spst }; 24817680Spst 24917680Spst/* Macros for decoding routing-info fields */ 25017680Spst#define RI_COST(x) ((x)&0777) 25117680Spst#define RI_HOPS(x) (((x)>>10)&037) 25217680Spst 25317680Spst/* 25417680Spst * NSP protocol fields and values. 25517680Spst */ 25617680Spst 25717680Spst#define NSP_TYPEMASK 014 /* mask to isolate type code */ 25817680Spst#define NSP_SUBMASK 0160 /* mask to isolate subtype code */ 25917680Spst#define NSP_SUBSHFT 4 /* shift to move subtype code */ 26017680Spst 26117680Spst#define MFT_DATA 0 /* data message */ 26217680Spst#define MFT_ACK 04 /* acknowledgement message */ 26317680Spst#define MFT_CTL 010 /* control message */ 26417680Spst 26517680Spst#define MFS_ILS 020 /* data or I/LS indicator */ 26617680Spst#define MFS_BOM 040 /* beginning of message (data) */ 26717680Spst#define MFS_MOM 0 /* middle of message (data) */ 26817680Spst#define MFS_EOM 0100 /* end of message (data) */ 26917680Spst#define MFS_INT 040 /* interrupt message */ 27017680Spst 27117680Spst#define MFS_DACK 0 /* data acknowledgement */ 27217680Spst#define MFS_IACK 020 /* I/LS acknowledgement */ 27317680Spst#define MFS_CACK 040 /* connect acknowledgement */ 27417680Spst 27517680Spst#define MFS_NOP 0 /* no operation */ 27617680Spst#define MFS_CI 020 /* connect initiate */ 27717680Spst#define MFS_CC 040 /* connect confirm */ 27817680Spst#define MFS_DI 060 /* disconnect initiate */ 27917680Spst#define MFS_DC 0100 /* disconnect confirm */ 28017680Spst#define MFS_RCI 0140 /* retransmitted connect initiate */ 28117680Spst 28217680Spst#define SGQ_ACK 0100000 /* ack */ 28317680Spst#define SGQ_NAK 0110000 /* negative ack */ 28417680Spst#define SGQ_OACK 0120000 /* other channel ack */ 28517680Spst#define SGQ_ONAK 0130000 /* other channel negative ack */ 28617680Spst#define SGQ_MASK 07777 /* mask to isolate seq # */ 28717680Spst#define SGQ_OTHER 020000 /* other channel qualifier */ 28817680Spst#define SGQ_DELAY 010000 /* ack delay flag */ 28917680Spst 29017680Spst#define SGQ_EOM 0100000 /* pseudo flag for end-of-message */ 29117680Spst 29217680Spst#define LSM_MASK 03 /* mask for modifier field */ 29317680Spst#define LSM_NOCHANGE 0 /* no change */ 29417680Spst#define LSM_DONOTSEND 1 /* do not send data */ 29517680Spst#define LSM_SEND 2 /* send data */ 29617680Spst 29717680Spst#define LSI_MASK 014 /* mask for interpretation field */ 29817680Spst#define LSI_DATA 0 /* data segment or message count */ 29917680Spst#define LSI_INTR 4 /* interrupt request count */ 30017680Spst#define LSI_INTM 0377 /* funny marker for int. message */ 30117680Spst 30217680Spst#define COS_MASK 014 /* mask for flow control field */ 30317680Spst#define COS_NONE 0 /* no flow control */ 30417680Spst#define COS_SEGMENT 04 /* segment flow control */ 30517680Spst#define COS_MESSAGE 010 /* message flow control */ 30617680Spst#define COS_CRYPTSER 020 /* cryptographic services requested */ 30717680Spst#define COS_DEFAULT 1 /* default value for field */ 30817680Spst 30917680Spst#define COI_MASK 3 /* mask for version field */ 31017680Spst#define COI_32 0 /* version 3.2 */ 31117680Spst#define COI_31 1 /* version 3.1 */ 31217680Spst#define COI_40 2 /* version 4.0 */ 31317680Spst#define COI_41 3 /* version 4.1 */ 31417680Spst 31517680Spst#define MNU_MASK 140 /* mask for session control version */ 31617680Spst#define MNU_10 000 /* session V1.0 */ 31717680Spst#define MNU_20 040 /* session V2.0 */ 31817680Spst#define MNU_ACCESS 1 /* access control present */ 31917680Spst#define MNU_USRDATA 2 /* user data field present */ 32017680Spst#define MNU_INVKPROXY 4 /* invoke proxy field present */ 32117680Spst#define MNU_UICPROXY 8 /* use uic-based proxy */ 32217680Spst 32317680Spst#define DC_NORESOURCES 1 /* no resource reason code */ 32417680Spst#define DC_NOLINK 41 /* no link terminate reason code */ 32517680Spst#define DC_COMPLETE 42 /* disconnect complete reason code */ 32617680Spst 32717680Spst#define DI_NOERROR 0 /* user disconnect */ 32817680Spst#define DI_SHUT 3 /* node is shutting down */ 32917680Spst#define DI_NOUSER 4 /* destination end user does not exist */ 33017680Spst#define DI_INVDEST 5 /* invalid end user destination */ 33117680Spst#define DI_REMRESRC 6 /* insufficient remote resources */ 33217680Spst#define DI_TPA 8 /* third party abort */ 33317680Spst#define DI_PROTOCOL 7 /* protocol error discovered */ 33417680Spst#define DI_ABORT 9 /* user abort */ 33517680Spst#define DI_LOCALRESRC 32 /* insufficient local resources */ 33617680Spst#define DI_REMUSERRESRC 33 /* insufficient remote user resources */ 33717680Spst#define DI_BADACCESS 34 /* bad access control information */ 33817680Spst#define DI_BADACCNT 36 /* bad ACCOUNT information */ 33917680Spst#define DI_CONNECTABORT 38 /* connect request cancelled */ 34017680Spst#define DI_TIMEDOUT 38 /* remote node or user crashed */ 34117680Spst#define DI_UNREACHABLE 39 /* local timers expired due to ... */ 34217680Spst#define DI_BADIMAGE 43 /* bad image data in connect */ 34317680Spst#define DI_SERVMISMATCH 54 /* cryptographic service mismatch */ 34417680Spst 34517680Spst#define UC_OBJREJECT 0 /* object rejected connect */ 34617680Spst#define UC_USERDISCONNECT 0 /* user disconnect */ 34717680Spst#define UC_RESOURCES 1 /* insufficient resources (local or remote) */ 34817680Spst#define UC_NOSUCHNODE 2 /* unrecognized node name */ 34917680Spst#define UC_REMOTESHUT 3 /* remote node shutting down */ 35017680Spst#define UC_NOSUCHOBJ 4 /* unrecognized object */ 35117680Spst#define UC_INVOBJFORMAT 5 /* invalid object name format */ 35217680Spst#define UC_OBJTOOBUSY 6 /* object too busy */ 35317680Spst#define UC_NETWORKABORT 8 /* network abort */ 35417680Spst#define UC_USERABORT 9 /* user abort */ 35517680Spst#define UC_INVNODEFORMAT 10 /* invalid node name format */ 35617680Spst#define UC_LOCALSHUT 11 /* local node shutting down */ 35717680Spst#define UC_ACCESSREJECT 34 /* invalid access control information */ 35817680Spst#define UC_NORESPONSE 38 /* no response from object */ 35917680Spst#define UC_UNREACHABLE 39 /* node unreachable */ 36017680Spst 36117680Spst/* 36217680Spst * NSP message formats. 36317680Spst */ 36417680Spststruct nsphdr /* general nsp header */ 36517680Spst { 36617680Spst byte nh_flags; /* message flags */ 36717680Spst word nh_dst; /* destination link address */ 36817680Spst word nh_src; /* source link address */ 36917680Spst }; 37017680Spst 37117680Spststruct seghdr /* data segment header */ 37217680Spst { 37317680Spst byte sh_flags; /* message flags */ 37417680Spst word sh_dst; /* destination link address */ 37517680Spst word sh_src; /* source link address */ 37617680Spst word sh_seq[3]; /* sequence numbers */ 37717680Spst }; 37817680Spst 37917680Spststruct minseghdr /* minimum data segment header */ 38017680Spst { 38117680Spst byte ms_flags; /* message flags */ 38217680Spst word ms_dst; /* destination link address */ 38317680Spst word ms_src; /* source link address */ 38417680Spst word ms_seq; /* sequence number */ 38517680Spst }; 38617680Spst 38717680Spststruct lsmsg /* link service message (after hdr) */ 38817680Spst { 38917680Spst byte ls_lsflags; /* link service flags */ 39017680Spst byte ls_fcval; /* flow control value */ 39117680Spst }; 39217680Spst 39317680Spststruct ackmsg /* acknowledgement message */ 39417680Spst { 39517680Spst byte ak_flags; /* message flags */ 39617680Spst word ak_dst; /* destination link address */ 39717680Spst word ak_src; /* source link address */ 39817680Spst word ak_acknum[2]; /* acknowledgement numbers */ 39917680Spst }; 40017680Spst 40117680Spststruct minackmsg /* minimum acknowledgement message */ 40217680Spst { 40317680Spst byte mk_flags; /* message flags */ 40417680Spst word mk_dst; /* destination link address */ 40517680Spst word mk_src; /* source link address */ 40617680Spst word mk_acknum; /* acknowledgement number */ 40717680Spst }; 40817680Spst 40917680Spststruct ciackmsg /* connect acknowledgement message */ 41017680Spst { 41117680Spst byte ck_flags; /* message flags */ 41217680Spst word ck_dst; /* destination link address */ 41317680Spst }; 41417680Spst 41517680Spststruct cimsg /* connect initiate message */ 41617680Spst { 41717680Spst byte ci_flags; /* message flags */ 41817680Spst word ci_dst; /* destination link address (0) */ 41917680Spst word ci_src; /* source link address */ 42017680Spst byte ci_services; /* requested services */ 42117680Spst byte ci_info; /* information */ 42217680Spst word ci_segsize; /* maximum segment size */ 42317680Spst }; 42417680Spst 42517680Spststruct ccmsg /* connect confirm message */ 42617680Spst { 42717680Spst byte cc_flags; /* message flags */ 42817680Spst word cc_dst; /* destination link address */ 42917680Spst word cc_src; /* source link address */ 43017680Spst byte cc_services; /* requested services */ 43117680Spst byte cc_info; /* information */ 43217680Spst word cc_segsize; /* maximum segment size */ 43317680Spst byte cc_optlen; /* optional data length */ 43417680Spst }; 43517680Spst 43617680Spststruct cnmsg /* generic connect message */ 43717680Spst { 43817680Spst byte cn_flags; /* message flags */ 43917680Spst word cn_dst; /* destination link address */ 44017680Spst word cn_src; /* source link address */ 44117680Spst byte cn_services; /* requested services */ 44217680Spst byte cn_info; /* information */ 44317680Spst word cn_segsize; /* maximum segment size */ 44417680Spst }; 44517680Spst 44617680Spststruct dimsg /* disconnect initiate message */ 44717680Spst { 44817680Spst byte di_flags; /* message flags */ 44917680Spst word di_dst; /* destination link address */ 45017680Spst word di_src; /* source link address */ 45117680Spst word di_reason; /* reason code */ 45217680Spst byte di_optlen; /* optional data length */ 45317680Spst }; 45417680Spst 45517680Spststruct dcmsg /* disconnect confirm message */ 45617680Spst { 45717680Spst byte dc_flags; /* message flags */ 45817680Spst word dc_dst; /* destination link address */ 45917680Spst word dc_src; /* source link address */ 46017680Spst word dc_reason; /* reason code */ 46117680Spst }; 462