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1 | /* |
2 | * fs/cifs/smb2pdu.h | |
3 | * | |
4 | * Copyright (c) International Business Machines Corp., 2009, 2010 | |
5 | * Etersoft, 2012 | |
6 | * Author(s): Steve French (sfrench@us.ibm.com) | |
7 | * Pavel Shilovsky (pshilovsky@samba.org) 2012 | |
8 | * | |
9 | * This library is free software; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU Lesser General Public License as published | |
11 | * by the Free Software Foundation; either version 2.1 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This library is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See | |
17 | * the GNU Lesser General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU Lesser General Public License | |
20 | * along with this library; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
22 | */ | |
23 | ||
24 | #ifndef _SMB2PDU_H | |
25 | #define _SMB2PDU_H | |
26 | ||
27 | #include <net/sock.h> | |
28 | ||
29 | /* | |
30 | * SMB2 Header Definition | |
31 | * | |
32 | * "MBZ" : Must be Zero | |
33 | * "BB" : BugBug, Something to check/review/analyze later | |
34 | * "PDU" : "Protocol Data Unit" (ie a network "frame") | |
35 | * | |
36 | */ | |
37 | struct smb2_hdr { | |
38 | __be32 smb2_buf_length; /* big endian on wire */ | |
39 | /* length is only two or three bytes - with | |
40 | one or two byte type preceding it that MBZ */ | |
41 | __u8 ProtocolId[4]; /* 0xFE 'S' 'M' 'B' */ | |
42 | __le16 StructureSize; /* 64 */ | |
43 | __le16 CreditCharge; /* MBZ */ | |
44 | __le32 Status; /* Error from server */ | |
45 | __le16 Command; | |
46 | __le16 CreditRequest; /* CreditResponse */ | |
47 | __le32 Flags; | |
48 | __le32 NextCommand; | |
49 | __u64 MessageId; /* opaque - so can stay little endian */ | |
50 | __le32 ProcessId; | |
51 | __u32 TreeId; /* opaque - so do not make little endian */ | |
52 | __u64 SessionId; /* opaque - so do not make little endian */ | |
53 | __u8 Signature[16]; | |
54 | } __packed; | |
55 | ||
56 | #endif /* _SMB2PDU_H */ |