| Steve French | ddfbefb | 2011-03-15 02:08:48 +0000 | [diff] [blame^] | 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 */ |