nfs.h

This directory contains source code for tcpdump, a tool for network monitoring and data acquisition

/*      $NetBSD: nfs.h,v 1.1 1996/05/23 22:49:53 fvdl Exp $     */

/*
 * Copyright (c) 1989, 1993
 *      The Regents of the University of California.  All rights reserved.
 *
 * This code is derived from software contributed to Berkeley by
 * Rick Macklem at The University of Guelph.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by the University of
 *      California, Berkeley and its contributors.
 * 4. 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 BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 *
 * $FreeBSD: src/contrib/tcpdump/nfs.h,v 1.2 2000/01/30 01:00:50 fenner Exp $
 *      @(#)nfsproto.h  8.2 (Berkeley) 3/30/95
 */

/*
 * nfs definitions as per the Version 2 and 3 specs
 */

/*
 * Constants as defined in the Sun NFS Version 2 and 3 specs.
 * "NFS: Network File System Protocol Specification" RFC1094
 * and in the "NFS: Network File System Version 3 Protocol
 * Specification"
 */

#define NFS_PORT         2049
#define NFS_PROG         100003
#define NFS_VER2         2
#define NFS_VER3         3
#define NFS_V2MAXDATA    8192
#define NFS_MAXDGRAMDATA 16384
#define NFS_MAXDATA      32768
#define NFS_MAXPATHLEN   1024
#define NFS_MAXNAMLEN    255
#define NFS_MAXPKTHDR    404
#define NFS_MAXPACKET    (NFS_MAXPKTHDR + NFS_MAXDATA)
#define NFS_MINPACKET    20
#define NFS_FABLKSIZE    512  /* Size in bytes of a block wrt fa_blocks */

/* Stat numbers for rpc returns (version 2 and 3)
 */
#define NFS_OK                 0
#define NFSERR_PERM            1
#define NFSERR_NOENT           2
#define NFSERR_IO              5
#define NFSERR_NXIO            6
#define NFSERR_ACCES           13
#define NFSERR_EXIST           17
#define NFSERR_XDEV            18     /* Version 3 only */
#define NFSERR_NODEV           19
#define NFSERR_NOTDIR          20
#define NFSERR_ISDIR           21
#define NFSERR_INVAL           22     /* Version 3 only */
#define NFSERR_FBIG            27
#define NFSERR_NOSPC           28
#define NFSERR_ROFS            30
#define NFSERR_MLINK           31     /* Version 3 only */
#define NFSERR_NAMETOL         63
#define NFSERR_NOTEMPTY        66
#define NFSERR_DQUOT           69
#define NFSERR_STALE           70
#define NFSERR_REMOTE          71     /* Version 3 only */
#define NFSERR_WFLUSH          99     /* Version 2 only */
#define NFSERR_BADHANDLE       10001  /* The rest Version 3 only */
#define NFSERR_NOT_SYNC        10002
#define NFSERR_BAD_COOKIE      10003
#define NFSERR_NOTSUPP         10004
#define NFSERR_TOOSMALL        10005
#define NFSERR_SERVERFAULT     10006
#define NFSERR_BADTYPE         10007
#define NFSERR_JUKEBOX         10008
#define NFSERR_TRYLATER        NFSERR_JUKEBOX
#define NFSERR_STALEWRITEVERF  30001  /* Fake return for nfs_commit() */

#define NFSERR_RETVOID         0x20000000  /* Return void, not error */
#define NFSERR_AUTHERR         0x40000000  /* Mark an authentication error */
#define NFSERR_RETERR          0x80000000  /* Mark an error return for V3 */

/* Sizes in bytes of various nfs rpc components
 */
#define NFSX_UNSIGNED      4

/* specific to NFS Version 2
 */
#define NFSX_V2FH          32
#define NFSX_V2FATTR       68
#define NFSX_V2SATTR       32
#define NFSX_V2COOKIE      4
#define NFSX_V2STATFS      20

/* specific to NFS Version 3
 */
#if 0
#define NFSX_V3FH          sizeof(fhandle_t)  /* size this server uses */
#endif

#define NFSX_V3FHMAX       64  /* max. allowed by protocol */
#define NFSX_V3FATTR       84
#define NFSX_V3SATTR       60  /* max. all fields filled in */
#define NFSX_V3SRVSATTR    sizeof(struct nfsv3_sattr)
#define NFSX_V3POSTOPATTR  (NFSX_V3FATTR + NFSX_UNSIGNED)
#define NFSX_V3WCCDATA     (NFSX_V3POSTOPATTR + 8 * NFSX_UNSIGNED)
#define NFSX_V3COOKIEVERF  8
#define NFSX_V3WRITEVERF   8
#define NFSX_V3CREATEVERF  8
#define NFSX_V3STATFS      52
#define NFSX_V3FSINFO      48
#define NFSX_V3PATHCONF    24

/* variants for both versions
 */
#define NFSX_FH(v3)            ((v3) ? (NFSX_V3FHMAX + NFSX_UNSIGNED) : NFSX_V2FH)
#define NFSX_SRVFH(v3)         ((v3) ? NFSX_V3FH : NFSX_V2FH)
#define NFSX_FATTR(v3)         ((v3) ? NFSX_V3FATTR : NFSX_V2FATTR)
#define NFSX_PREOPATTR(v3)     ((v3) ? (7 * NFSX_UNSIGNED) : 0)
#define NFSX_POSTOPATTR(v3)    ((v3) ? (NFSX_V3FATTR + NFSX_UNSIGNED) : 0)
#define NFSX_POSTOPORFATTR(v3) ((v3) ? (NFSX_V3FATTR + NFSX_UNSIGNED) : NFSX_V2FATTR)
#define NFSX_WCCDATA(v3)       ((v3) ? NFSX_V3WCCDATA : 0)
#define NFSX_WCCORFATTR(v3)    ((v3) ? NFSX_V3WCCDATA : NFSX_V2FATTR)
#define NFSX_SATTR(v3)         ((v3) ? NFSX_V3SATTR : NFSX_V2SATTR)
#define NFSX_COOKIEVERF(v3)    ((v3) ? NFSX_V3COOKIEVERF : 0)
#define NFSX_WRITEVERF(v3)     ((v3) ? NFSX_V3WRITEVERF : 0)
#define NFSX_READDIR(v3)       ((v3) ? (5 * NFSX_UNSIGNED) : (2 * NFSX_UNSIGNED))
#define NFSX_STATFS(v3)        ((v3) ? NFSX_V3STATFS : NFSX_V2STATFS)

/* nfs rpc procedure numbers (before version mapping)
 */
#define NFSPROC_NULL           0
#define NFSPROC_GETATTR        1
#define NFSPROC_SETATTR        2
#define NFSPROC_LOOKUP         3
#define NFSPROC_ACCESS         4
#define NFSPROC_READLINK       5
#define NFSPROC_READ           6
#define NFSPROC_WRITE          7
#define NFSPROC_CREATE         8
#define NFSPROC_MKDIR          9
#define NFSPROC_SYMLINK        10
#define NFSPROC_MKNOD          11
#define NFSPROC_REMOVE         12
#define NFSPROC_RMDIR          13
#define NFSPROC_RENAME         14
#define NFSPROC_LINK           15
#define NFSPROC_READDIR        16
#define NFSPROC_READDIRPLUS    17
#define NFSPROC_FSSTAT         18
#define NFSPROC_FSINFO         19
#define NFSPROC_PATHCONF       20
#define NFSPROC_COMMIT         21

/* And leasing (nqnfs) procedure numbers (must be last)
 */
#define NQNFSPROC_GETLEASE     22
#define NQNFSPROC_VACATED      23
#define NQNFSPROC_EVICTED      24

#define NFSPROC_NOOP           25
#define NFS_NPROCS             26

/* Actual Version 2 procedure numbers
 */
#define NFSV2PROC_NULL         0
#define NFSV2PROC_GETATTR      1
#define NFSV2PROC_SETATTR      2
#define NFSV2PROC_NOOP         3
#define NFSV2PROC_ROOT         NFSV2PROC_NOOP  /* Obsolete */
#define NFSV2PROC_LOOKUP       4
#define NFSV2PROC_READLINK     5
#define NFSV2PROC_READ         6
#define NFSV2PROC_WRITECACHE   NFSV2PROC_NOOP  /* Obsolete */
#define NFSV2PROC_WRITE        8
#define NFSV2PROC_CREATE       9
#define NFSV2PROC_REMOVE       10
#define NFSV2PROC_RENAME       11
#define NFSV2PROC_LINK         12
#define NFSV2PROC_SYMLINK      13
#define NFSV2PROC_MKDIR        14
#define NFSV2PROC_RMDIR        15
#define NFSV2PROC_READDIR      16
#define NFSV2PROC_STATFS       17

/*
 * Constants used by the Version 3 protocol for various RPCs
 */
#define NFSV3SATTRTIME_DONTCHANGE 0
#define NFSV3SATTRTIME_TOSERVER   1
#define NFSV3SATTRTIME_TOCLIENT   2

#define NFSV3ATTRTIME_NMODES      3

#define NFSV3ACCESS_READ          0x01
#define NFSV3ACCESS_LOOKUP        0x02
#define NFSV3ACCESS_MODIFY        0x04
#define NFSV3ACCESS_EXTEND        0x08
#define NFSV3ACCESS_DELETE        0x10
#define NFSV3ACCESS_EXECUTE       0x20

#define NFSV3WRITE_UNSTABLE       0
#define NFSV3WRITE_DATASYNC       1
#define NFSV3WRITE_FILESYNC       2

#define NFSV3WRITE_NMODES         3