diff options
| author | Steve French <stfrench@microsoft.com> | 2020-03-15 17:42:41 -0500 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2020-03-22 22:49:10 -0500 |
| commit | 2fe4f62de4892b88c16fee7c2832eb37f1d3c4a0 (patch) | |
| tree | 20bb36f977bf4b2f0f3cf896110e081bbd96214e /fs/cifs | |
| parent | cff2def598f866feb5f8072ffd77057d2ea3b5ad (diff) | |
| download | linux-2fe4f62de4892b88c16fee7c2832eb37f1d3c4a0.tar.bz2 | |
SMB3: Add new compression flags
Additional compression capabilities can now be negotiated and a
new compression algorithm. Add the flags for these.
See newly updated MS-SMB2 sections 3.1.4.4.1 and 2.2.3.1.3
Signed-off-by: Steve French <stfrench@microsoft.com>
Acked-by: Ronnie Sahlberg <lsahlber@redhat.com>
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/smb2pdu.h | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h index 817bc0531536..4a7d154fffae 100644 --- a/fs/cifs/smb2pdu.h +++ b/fs/cifs/smb2pdu.h @@ -307,11 +307,17 @@ struct smb2_encryption_neg_context { #define SMB3_COMPRESS_LZNT1 cpu_to_le16(0x0001) #define SMB3_COMPRESS_LZ77 cpu_to_le16(0x0002) #define SMB3_COMPRESS_LZ77_HUFF cpu_to_le16(0x0003) +/* Pattern scanning algorithm See MS-SMB2 3.1.4.4.1 */ +#define SMB3_COMPRESS_PATTERN cpu_to_le16(0x0004) + +/* Compression Flags */ +#define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE cpu_to_le32(0x00000000) +#define SMB2_COMPRESSION_CAPABILITIES_FLAG_CHAINED cpu_to_le32(0x00000001) struct smb2_compression_capabilities_context { __le16 ContextType; /* 3 */ __le16 DataLength; - __u32 Reserved; + __u32 Flags; __le16 CompressionAlgorithmCount; __u16 Padding; __u32 Reserved1; |