/****************************************************************************
 * fs/nfs/rpc_types.h
 * Definitions for Sun RPC Version 2, from
 * "RPC: Remote Procedure Call Protocol Specification" RFC1057
 *
 *   Copyright (C) 2012 Gregory Nutt. All rights reserved.
 *   Copyright (C) 2012 Jose Pablo Rojas Vargas. All rights reserved.
 *   Author: Jose Pablo Rojas Vargas <jrojas@nx-engineering.com>
 *
 * Leveraged from OpenBSD:
 *
 *   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. 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.
 *
 ****************************************************************************/

#ifndef __FS_NFS_RPC_V2_H
#define __FS_NFS_RPC_V2_H

/****************************************************************************
 * Included Files
 ****************************************************************************/

/****************************************************************************
 * Pre-processor Definitions
 ****************************************************************************/

/* Version # */

#define RPC_VER2         2

/* Authentication */

#define RPCAUTH_NULL     0
#define RPCAUTH_UNIX     1
#define RPCAUTH_SHORT    2
#define RPCAUTH_KERB4    4
#define RPCAUTH_MAXSIZ   400
#define RPCVERF_MAXSIZ   12
                                /* For Kerb, can actually be 400 */
#define RPCAUTH_UNIXGIDS 16

/* Constants associated with authentication flavours. */

#define RPCAKN_FULLNAME  0
#define RPCAKN_NICKNAME  1

/* Rpc Constants */

#define RPC_CALL         0
#define RPC_REPLY        1
#define RPC_MSGACCEPTED  0
#define RPC_MSGDENIED    1
#define RPC_PROGUNAVAIL  1
#define RPC_PROGMISMATCH 2
#define RPC_PROCUNAVAIL  3
#define RPC_GARBAGE      4

#define RPC_MISMATCH     0
#define RPC_AUTHERR      1

/* Authentication failures */

#define AUTH_BADCRED     1
#define AUTH_REJECTCRED  2
#define AUTH_BADVERF     3
#define AUTH_REJECTVERF  4
#define AUTH_TOOWEAK     5

/* Sizes of rpc header parts */

#define RPC_SIZ          24
#define RPC_REPLYSIZ     28

/* RPC Prog definitions */

#define RPCPROG_MNT      100005
#define RPCMNT_VER1      1
#define RPCMNT_VER3      3
#define RPCMNT_MOUNT     1
#define RPCMNT_DUMP      2
#define RPCMNT_UMOUNT    3
#define RPCMNT_UMNTALL   4
#define RPCMNT_EXPORT    5
#define RPCMNT_NAMELEN   255
#define RPCMNT_PATHLEN   1024
#define RPCPROG_NFS      100003

#endif /* __FS_NFS_RPC_V2_H */