| /* |
| * Copyright (c) 1992, 1994, 1996 |
| * The Regents of the University of California. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that: (1) source code distributions |
| * retain the above copyright notice and this paragraph in its entirety, (2) |
| * distributions including binary code include the above copyright notice and |
| * this paragraph in its entirety in the documentation or other materials |
| * provided with the distribution, and (3) all advertising materials mentioning |
| * features or use of this software display the following acknowledgement: |
| * ``This product includes software developed by the University of California, |
| * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of |
| * the University nor the names of its contributors may be used to endorse |
| * or promote products derived from this software without specific prior |
| * written permission. |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED |
| * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF |
| * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. |
| * |
| * @(#) $Header: /tcpdump/master/tcpdump/decnet.h,v 1.11 2002-12-11 07:13:50 guy Exp $ (LBL) |
| */ |
| |
| #ifndef WIN32 |
| typedef u_int8_t byte[1]; /* single byte field */ |
| #else |
| /* |
| * the keyword 'byte' generates conflicts in Windows |
| */ |
| typedef unsigned char Byte[1]; /* single byte field */ |
| #define byte Byte |
| #endif /* WIN32 */ |
| typedef u_int8_t word[2]; /* 2 byte field */ |
| typedef u_int8_t longword[4]; /* 4 bytes field */ |
| |
| /* |
| * Definitions for DECNET Phase IV protocol headers |
| */ |
| union etheraddress { |
| u_int8_t dne_addr[6]; /* full ethernet address */ |
| struct { |
| u_int8_t dne_hiord[4]; /* DECnet HIORD prefix */ |
| u_int8_t dne_nodeaddr[2]; /* DECnet node address */ |
| } dne_remote; |
| }; |
| |
| typedef union etheraddress etheraddr; /* Ethernet address */ |
| |
| #define HIORD 0x000400aa /* high 32-bits of address (swapped) */ |
| |
| #define AREAMASK 0176000 /* mask for area field */ |
| #define AREASHIFT 10 /* bit-offset for area field */ |
| #define NODEMASK 01777 /* mask for node address field */ |
| |
| #define DN_MAXADDL 20 /* max size of DECnet address */ |
| struct dn_naddr { |
| u_int16_t a_len; /* length of address */ |
| u_int8_t a_addr[DN_MAXADDL]; /* address as bytes */ |
| }; |
| |
| /* |
| * Define long and short header formats. |
| */ |
| struct shorthdr |
| { |
| byte sh_flags; /* route flags */ |
| word sh_dst; /* destination node address */ |
| word sh_src; /* source node address */ |
| byte sh_visits; /* visit count */ |
| }; |
| |
| struct longhdr |
| { |
| byte lg_flags; /* route flags */ |
| byte lg_darea; /* destination area (reserved) */ |
| byte lg_dsarea; /* destination subarea (reserved) */ |
| etheraddr lg_dst; /* destination id */ |
| byte lg_sarea; /* source area (reserved) */ |
| byte lg_ssarea; /* source subarea (reserved) */ |
| etheraddr lg_src; /* source id */ |
| byte lg_nextl2; /* next level 2 router (reserved) */ |
| byte lg_visits; /* visit count */ |
| byte lg_service; /* service class (reserved) */ |
| byte lg_pt; /* protocol type (reserved) */ |
| }; |
| |
| union routehdr |
| { |
| struct shorthdr rh_short; /* short route header */ |
| struct longhdr rh_long; /* long route header */ |
| }; |
| |
| /* |
| * Define the values of various fields in the protocol messages. |
| * |
| * 1. Data packet formats. |
| */ |
| #define RMF_MASK 7 /* mask for message type */ |
| #define RMF_SHORT 2 /* short message format */ |
| #define RMF_LONG 6 /* long message format */ |
| #ifndef RMF_RQR |
| #define RMF_RQR 010 /* request return to sender */ |
| #define RMF_RTS 020 /* returning to sender */ |
| #define RMF_IE 040 /* intra-ethernet packet */ |
| #endif /* RMR_RQR */ |
| #define RMF_FVER 0100 /* future version flag */ |
| #define RMF_PAD 0200 /* pad field */ |
| #define RMF_PADMASK 0177 /* pad field mask */ |
| |
| #define VIS_MASK 077 /* visit field mask */ |
| |
| /* |
| * 2. Control packet formats. |
| */ |
| #define RMF_CTLMASK 017 /* mask for message type */ |
| #define RMF_CTLMSG 01 /* control message indicator */ |
| #define RMF_INIT 01 /* initialization message */ |
| #define RMF_VER 03 /* verification message */ |
| #define RMF_TEST 05 /* hello and test message */ |
| #define RMF_L1ROUT 07 /* level 1 routing message */ |
| #define RMF_L2ROUT 011 /* level 2 routing message */ |
| #define RMF_RHELLO 013 /* router hello message */ |
| #define RMF_EHELLO 015 /* endnode hello message */ |
| |
| #define TI_L2ROUT 01 /* level 2 router */ |
| #define TI_L1ROUT 02 /* level 1 router */ |
| #define TI_ENDNODE 03 /* endnode */ |
| #define TI_VERIF 04 /* verification required */ |
| #define TI_BLOCK 010 /* blocking requested */ |
| |
| #define VE_VERS 2 /* version number (2) */ |
| #define VE_ECO 0 /* ECO number */ |
| #define VE_UECO 0 /* user ECO number (0) */ |
| |
| #define P3_VERS 1 /* phase III version number (1) */ |
| #define P3_ECO 3 /* ECO number (3) */ |
| #define P3_UECO 0 /* user ECO number (0) */ |
| |
| #define II_L2ROUT 01 /* level 2 router */ |
| #define II_L1ROUT 02 /* level 1 router */ |
| #define II_ENDNODE 03 /* endnode */ |
| #define II_VERIF 04 /* verification required */ |
| #define II_NOMCAST 040 /* no multicast traffic accepted */ |
| #define II_BLOCK 0100 /* blocking requested */ |
| #define II_TYPEMASK 03 /* mask for node type */ |
| |
| #define TESTDATA 0252 /* test data bytes */ |
| #define TESTLEN 1 /* length of transmitted test data */ |
| |
| /* |
| * Define control message formats. |
| */ |
| struct initmsgIII /* phase III initialization message */ |
| { |
| byte inIII_flags; /* route flags */ |
| word inIII_src; /* source node address */ |
| byte inIII_info; /* routing layer information */ |
| word inIII_blksize; /* maximum data link block size */ |
| byte inIII_vers; /* version number */ |
| byte inIII_eco; /* ECO number */ |
| byte inIII_ueco; /* user ECO number */ |
| byte inIII_rsvd; /* reserved image field */ |
| }; |
| |
| struct initmsg /* initialization message */ |
| { |
| byte in_flags; /* route flags */ |
| word in_src; /* source node address */ |
| byte in_info; /* routing layer information */ |
| word in_blksize; /* maximum data link block size */ |
| byte in_vers; /* version number */ |
| byte in_eco; /* ECO number */ |
| byte in_ueco; /* user ECO number */ |
| word in_hello; /* hello timer */ |
| byte in_rsvd; /* reserved image field */ |
| }; |
| |
| struct verifmsg /* verification message */ |
| { |
| byte ve_flags; /* route flags */ |
| word ve_src; /* source node address */ |
| byte ve_fcnval; /* function value image field */ |
| }; |
| |
| struct testmsg /* hello and test message */ |
| { |
| byte te_flags; /* route flags */ |
| word te_src; /* source node address */ |
| byte te_data; /* test data image field */ |
| }; |
| |
| struct l1rout /* level 1 routing message */ |
| { |
| byte r1_flags; /* route flags */ |
| word r1_src; /* source node address */ |
| byte r1_rsvd; /* reserved field */ |
| }; |
| |
| struct l2rout /* level 2 routing message */ |
| { |
| byte r2_flags; /* route flags */ |
| word r2_src; /* source node address */ |
| byte r2_rsvd; /* reserved field */ |
| }; |
| |
| struct rhellomsg /* router hello message */ |
| { |
| byte rh_flags; /* route flags */ |
| byte rh_vers; /* version number */ |
| byte rh_eco; /* ECO number */ |
| byte rh_ueco; /* user ECO number */ |
| etheraddr rh_src; /* source id */ |
| byte rh_info; /* routing layer information */ |
| word rh_blksize; /* maximum data link block size */ |
| byte rh_priority; /* router's priority */ |
| byte rh_area; /* reserved */ |
| word rh_hello; /* hello timer */ |
| byte rh_mpd; /* reserved */ |
| }; |
| |
| struct ehellomsg /* endnode hello message */ |
| { |
| byte eh_flags; /* route flags */ |
| byte eh_vers; /* version number */ |
| byte eh_eco; /* ECO number */ |
| byte eh_ueco; /* user ECO number */ |
| etheraddr eh_src; /* source id */ |
| byte eh_info; /* routing layer information */ |
| word eh_blksize; /* maximum data link block size */ |
| byte eh_area; /* area (reserved) */ |
| byte eh_seed[8]; /* verification seed */ |
| etheraddr eh_router; /* designated router */ |
| word eh_hello; /* hello timer */ |
| byte eh_mpd; /* (reserved) */ |
| byte eh_data; /* test data image field */ |
| }; |
| |
| union controlmsg |
| { |
| struct initmsg cm_init; /* initialization message */ |
| struct verifmsg cm_ver; /* verification message */ |
| struct testmsg cm_test; /* hello and test message */ |
| struct l1rout cm_l1rou; /* level 1 routing message */ |
| struct l2rout cm_l2rout; /* level 2 routing message */ |
| struct rhellomsg cm_rhello; /* router hello message */ |
| struct ehellomsg cm_ehello; /* endnode hello message */ |
| }; |
| |
| /* Macros for decoding routing-info fields */ |
| #define RI_COST(x) ((x)&0777) |
| #define RI_HOPS(x) (((x)>>10)&037) |
| |
| /* |
| * NSP protocol fields and values. |
| */ |
| |
| #define NSP_TYPEMASK 014 /* mask to isolate type code */ |
| #define NSP_SUBMASK 0160 /* mask to isolate subtype code */ |
| #define NSP_SUBSHFT 4 /* shift to move subtype code */ |
| |
| #define MFT_DATA 0 /* data message */ |
| #define MFT_ACK 04 /* acknowledgement message */ |
| #define MFT_CTL 010 /* control message */ |
| |
| #define MFS_ILS 020 /* data or I/LS indicator */ |
| #define MFS_BOM 040 /* beginning of message (data) */ |
| #define MFS_MOM 0 /* middle of message (data) */ |
| #define MFS_EOM 0100 /* end of message (data) */ |
| #define MFS_INT 040 /* interrupt message */ |
| |
| #define MFS_DACK 0 /* data acknowledgement */ |
| #define MFS_IACK 020 /* I/LS acknowledgement */ |
| #define MFS_CACK 040 /* connect acknowledgement */ |
| |
| #define MFS_NOP 0 /* no operation */ |
| #define MFS_CI 020 /* connect initiate */ |
| #define MFS_CC 040 /* connect confirm */ |
| #define MFS_DI 060 /* disconnect initiate */ |
| #define MFS_DC 0100 /* disconnect confirm */ |
| #define MFS_RCI 0140 /* retransmitted connect initiate */ |
| |
| #define SGQ_ACK 0100000 /* ack */ |
| #define SGQ_NAK 0110000 /* negative ack */ |
| #define SGQ_OACK 0120000 /* other channel ack */ |
| #define SGQ_ONAK 0130000 /* other channel negative ack */ |
| #define SGQ_MASK 07777 /* mask to isolate seq # */ |
| #define SGQ_OTHER 020000 /* other channel qualifier */ |
| #define SGQ_DELAY 010000 /* ack delay flag */ |
| |
| #define SGQ_EOM 0100000 /* pseudo flag for end-of-message */ |
| |
| #define LSM_MASK 03 /* mask for modifier field */ |
| #define LSM_NOCHANGE 0 /* no change */ |
| #define LSM_DONOTSEND 1 /* do not send data */ |
| #define LSM_SEND 2 /* send data */ |
| |
| #define LSI_MASK 014 /* mask for interpretation field */ |
| #define LSI_DATA 0 /* data segment or message count */ |
| #define LSI_INTR 4 /* interrupt request count */ |
| #define LSI_INTM 0377 /* funny marker for int. message */ |
| |
| #define COS_MASK 014 /* mask for flow control field */ |
| #define COS_NONE 0 /* no flow control */ |
| #define COS_SEGMENT 04 /* segment flow control */ |
| #define COS_MESSAGE 010 /* message flow control */ |
| #define COS_CRYPTSER 020 /* cryptographic services requested */ |
| #define COS_DEFAULT 1 /* default value for field */ |
| |
| #define COI_MASK 3 /* mask for version field */ |
| #define COI_32 0 /* version 3.2 */ |
| #define COI_31 1 /* version 3.1 */ |
| #define COI_40 2 /* version 4.0 */ |
| #define COI_41 3 /* version 4.1 */ |
| |
| #define MNU_MASK 140 /* mask for session control version */ |
| #define MNU_10 000 /* session V1.0 */ |
| #define MNU_20 040 /* session V2.0 */ |
| #define MNU_ACCESS 1 /* access control present */ |
| #define MNU_USRDATA 2 /* user data field present */ |
| #define MNU_INVKPROXY 4 /* invoke proxy field present */ |
| #define MNU_UICPROXY 8 /* use uic-based proxy */ |
| |
| #define DC_NORESOURCES 1 /* no resource reason code */ |
| #define DC_NOLINK 41 /* no link terminate reason code */ |
| #define DC_COMPLETE 42 /* disconnect complete reason code */ |
| |
| #define DI_NOERROR 0 /* user disconnect */ |
| #define DI_SHUT 3 /* node is shutting down */ |
| #define DI_NOUSER 4 /* destination end user does not exist */ |
| #define DI_INVDEST 5 /* invalid end user destination */ |
| #define DI_REMRESRC 6 /* insufficient remote resources */ |
| #define DI_TPA 8 /* third party abort */ |
| #define DI_PROTOCOL 7 /* protocol error discovered */ |
| #define DI_ABORT 9 /* user abort */ |
| #define DI_LOCALRESRC 32 /* insufficient local resources */ |
| #define DI_REMUSERRESRC 33 /* insufficient remote user resources */ |
| #define DI_BADACCESS 34 /* bad access control information */ |
| #define DI_BADACCNT 36 /* bad ACCOUNT information */ |
| #define DI_CONNECTABORT 38 /* connect request cancelled */ |
| #define DI_TIMEDOUT 38 /* remote node or user crashed */ |
| #define DI_UNREACHABLE 39 /* local timers expired due to ... */ |
| #define DI_BADIMAGE 43 /* bad image data in connect */ |
| #define DI_SERVMISMATCH 54 /* cryptographic service mismatch */ |
| |
| #define UC_OBJREJECT 0 /* object rejected connect */ |
| #define UC_USERDISCONNECT 0 /* user disconnect */ |
| #define UC_RESOURCES 1 /* insufficient resources (local or remote) */ |
| #define UC_NOSUCHNODE 2 /* unrecognized node name */ |
| #define UC_REMOTESHUT 3 /* remote node shutting down */ |
| #define UC_NOSUCHOBJ 4 /* unrecognized object */ |
| #define UC_INVOBJFORMAT 5 /* invalid object name format */ |
| #define UC_OBJTOOBUSY 6 /* object too busy */ |
| #define UC_NETWORKABORT 8 /* network abort */ |
| #define UC_USERABORT 9 /* user abort */ |
| #define UC_INVNODEFORMAT 10 /* invalid node name format */ |
| #define UC_LOCALSHUT 11 /* local node shutting down */ |
| #define UC_ACCESSREJECT 34 /* invalid access control information */ |
| #define UC_NORESPONSE 38 /* no response from object */ |
| #define UC_UNREACHABLE 39 /* node unreachable */ |
| |
| /* |
| * NSP message formats. |
| */ |
| struct nsphdr /* general nsp header */ |
| { |
| byte nh_flags; /* message flags */ |
| word nh_dst; /* destination link address */ |
| word nh_src; /* source link address */ |
| }; |
| |
| struct seghdr /* data segment header */ |
| { |
| byte sh_flags; /* message flags */ |
| word sh_dst; /* destination link address */ |
| word sh_src; /* source link address */ |
| word sh_seq[3]; /* sequence numbers */ |
| }; |
| |
| struct minseghdr /* minimum data segment header */ |
| { |
| byte ms_flags; /* message flags */ |
| word ms_dst; /* destination link address */ |
| word ms_src; /* source link address */ |
| word ms_seq; /* sequence number */ |
| }; |
| |
| struct lsmsg /* link service message (after hdr) */ |
| { |
| byte ls_lsflags; /* link service flags */ |
| byte ls_fcval; /* flow control value */ |
| }; |
| |
| struct ackmsg /* acknowledgement message */ |
| { |
| byte ak_flags; /* message flags */ |
| word ak_dst; /* destination link address */ |
| word ak_src; /* source link address */ |
| word ak_acknum[2]; /* acknowledgement numbers */ |
| }; |
| |
| struct minackmsg /* minimum acknowledgement message */ |
| { |
| byte mk_flags; /* message flags */ |
| word mk_dst; /* destination link address */ |
| word mk_src; /* source link address */ |
| word mk_acknum; /* acknowledgement number */ |
| }; |
| |
| struct ciackmsg /* connect acknowledgement message */ |
| { |
| byte ck_flags; /* message flags */ |
| word ck_dst; /* destination link address */ |
| }; |
| |
| struct cimsg /* connect initiate message */ |
| { |
| byte ci_flags; /* message flags */ |
| word ci_dst; /* destination link address (0) */ |
| word ci_src; /* source link address */ |
| byte ci_services; /* requested services */ |
| byte ci_info; /* information */ |
| word ci_segsize; /* maximum segment size */ |
| }; |
| |
| struct ccmsg /* connect confirm message */ |
| { |
| byte cc_flags; /* message flags */ |
| word cc_dst; /* destination link address */ |
| word cc_src; /* source link address */ |
| byte cc_services; /* requested services */ |
| byte cc_info; /* information */ |
| word cc_segsize; /* maximum segment size */ |
| byte cc_optlen; /* optional data length */ |
| }; |
| |
| struct cnmsg /* generic connect message */ |
| { |
| byte cn_flags; /* message flags */ |
| word cn_dst; /* destination link address */ |
| word cn_src; /* source link address */ |
| byte cn_services; /* requested services */ |
| byte cn_info; /* information */ |
| word cn_segsize; /* maximum segment size */ |
| }; |
| |
| struct dimsg /* disconnect initiate message */ |
| { |
| byte di_flags; /* message flags */ |
| word di_dst; /* destination link address */ |
| word di_src; /* source link address */ |
| word di_reason; /* reason code */ |
| byte di_optlen; /* optional data length */ |
| }; |
| |
| struct dcmsg /* disconnect confirm message */ |
| { |
| byte dc_flags; /* message flags */ |
| word dc_dst; /* destination link address */ |
| word dc_src; /* source link address */ |
| word dc_reason; /* reason code */ |
| }; |