/* * 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 WIN32typedef 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 */