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SMB3: Additional compression structures

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New transform header structures. See recent updates
to MS-SMB2 adding section 2.2.42.1 and 2.2.42.2

Signed-off-by: Steve French <stfrench@microsoft.com>
Acked-by: Ronnie Sahlberg <lsahlber@redhat.com>
This commit is contained in:
Steve French 2020-03-15 18:04:13 -05:00
parent 2fe4f62de4
commit 8f23343131
1 changed files with 16 additions and 1 deletions
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17
fs/cifs/smb2pdu.h
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@ -137,6 +137,21 @@ struct smb2_transform_hdr {
__u64 SessionId;
} __packed;
/* See MS-SMB2 2.2.42.1 */
struct compression_playload_header {
__le16 AlgorithmId;
__le16 Reserved;
__le32 Length;
} __packed;
/* See MS-SMB2 2.2.42.2 */
struct compression_pattern_payload_v1 {
__le16 Pattern;
__le16 Reserved1;
__le16 Reserved2;
__le32 Repetitions;
} __packed;
/*
* SMB2 flag definitions
*/
@ -1186,7 +1201,7 @@ struct smb2_write_req {
__le64 Offset;
__u64 PersistentFileId; /* opaque endianness */
__u64 VolatileFileId; /* opaque endianness */
__le32 Channel; /* Reserved MBZ */
__le32 Channel; /* MBZ unless SMB3.02 or later */
__le32 RemainingBytes;
__le16 WriteChannelInfoOffset;
__le16 WriteChannelInfoLength;