From: Steve French Date: Sun, 15 Mar 2020 22:42:41 +0000 (-0500) Subject: SMB3: Add new compression flags X-Git-Tag: v5.7-rc1~155^2~9 X-Git-Url: http://git.osdn.net/view?a=commitdiff_plain;h=2fe4f62de4892b88c16fee7c2832eb37f1d3c4a0;p=tomoyo%2Ftomoyo-test1.git 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 Acked-by: Ronnie Sahlberg --- 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;