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/*
* fs/cifs/smb2glob.h
*
* Definitions for various global variables and structures
*
* Copyright (C) International Business Machines Corp., 2002, 2011
* Etersoft, 2012
* Author(s): Steve French (sfrench@us.ibm.com)
* Jeremy Allison (jra@samba.org)
* Pavel Shilovsky (pshilovsky@samba.org) 2012
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published
* by the Free Software Foundation; either version 2.1 of the License, or
* (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU Lesser General Public License for more details.
*
*/
#ifndef _SMB2_GLOB_H
#define _SMB2_GLOB_H
#define SMB2_MAGIC_NUMBER 0xFE534D42
/*
*****************************************************************
* Constants go here
*****************************************************************
*/
/*
* Identifiers for functions that use the open, operation, close pattern
* in smb2inode.c:smb2_open_op_close()
*/
#define SMB2_OP_SET_DELETE 1
#define SMB2_OP_SET_INFO 2
#define SMB2_OP_QUERY_INFO 3
#define SMB2_OP_QUERY_DIR 4
#define SMB2_OP_MKDIR 5
#define SMB2_OP_RENAME 6
#define SMB2_OP_DELETE 7
#define SMB2_OP_HARDLINK 8
#define SMB2_OP_SET_EOF 9
#define SMB2_OP_RMDIR 10
/* Used when constructing chained read requests. */
#define CHAINED_REQUEST 1
#define START_OF_CHAIN 2
#define END_OF_CHAIN 4
#define RELATED_REQUEST 8
#define SMB2_SIGNATURE_SIZE (16)
#define SMB2_NTLMV2_SESSKEY_SIZE (16)
#define SMB2_HMACSHA256_SIZE (32)
#define SMB2_CMACAES_SIZE (16)
#define SMB3_SIGNKEY_SIZE (16)
/* Maximum buffer size value we can send with 1 credit */
#define SMB2_MAX_BUFFER_SIZE 65536
/*
* Maximum number of credits to keep available.
* This value is chosen somewhat arbitrarily. The Windows client
* defaults to 128 credits, the Windows server allows clients up to
* 512 credits, and the NetApp server does not limit clients at all.
* Choose a high enough value such that the client shouldn't limit
* performance.
*/
#define SMB2_MAX_CREDITS_AVAILABLE 32000
#endif /* _SMB2_GLOB_H */
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