1/* SPDX-License-Identifier: LGPL-2.1 */
 2/*
 3 *   fs/cifs/smb2glob.h
 4 *
 5 *   Definitions for various global variables and structures
 6 *
 7 *   Copyright (C) International Business Machines  Corp., 2002, 2011
 8 *                 Etersoft, 2012
 9 *   Author(s): Steve French (sfrench@us.ibm.com)
10 *              Jeremy Allison (jra@samba.org)
11 *              Pavel Shilovsky (pshilovsky@samba.org) 2012
12 *
13 */
14#ifndef _SMB2_GLOB_H
15#define _SMB2_GLOB_H
16
17#define SMB2_MAGIC_NUMBER 0xFE534D42
18
19/*
20 *****************************************************************
21 * Constants go here
22 *****************************************************************
23 */
24
25/*
26 * Identifiers for functions that use the open, operation, close pattern
27 * in smb2inode.c:smb2_compound_op()
28 */
29#define SMB2_OP_SET_DELETE 1
30#define SMB2_OP_SET_INFO 2
31#define SMB2_OP_QUERY_INFO 3
32#define SMB2_OP_QUERY_DIR 4
33#define SMB2_OP_MKDIR 5
34#define SMB2_OP_RENAME 6
35#define SMB2_OP_DELETE 7
36#define SMB2_OP_HARDLINK 8
37#define SMB2_OP_SET_EOF 9
38#define SMB2_OP_RMDIR 10
39#define SMB2_OP_POSIX_QUERY_INFO 11
40
41/* Used when constructing chained read requests. */
42#define CHAINED_REQUEST 1
43#define START_OF_CHAIN 2
44#define END_OF_CHAIN 4
45#define RELATED_REQUEST 8
46
47#define SMB2_SIGNATURE_SIZE (16)
48#define SMB2_NTLMV2_SESSKEY_SIZE (16)
49#define SMB2_HMACSHA256_SIZE (32)
50#define SMB2_CMACAES_SIZE (16)
51#define SMB3_SIGNKEY_SIZE (16)
52#define SMB3_GCM128_CRYPTKEY_SIZE (16)
53#define SMB3_GCM256_CRYPTKEY_SIZE (32)
54
55/* Maximum buffer size value we can send with 1 credit */
56#define SMB2_MAX_BUFFER_SIZE 65536
57
58#endif	/* _SMB2_GLOB_H */