smb311: additional compression flag defined in updated protocol spec

Added new compression flag that was recently documented, in
addition fix some typos and clarify the sid_attr_data struct
definition.

Reviewed-by: Bharath SM <bharathsm@microsoft.com>
Signed-off-by: Steve French <stfrench@microsoft.com>

diff --git a/fs/smb/common/smb2pdu.h b/fs/smb/common/smb2pdu.h
index a23b56f93c36eb837e3a410e0dd9f01c1b0b5cc4..1b594307c9d5a01e0b9d62b47b331dbd31c6dfaf 100644 (file)
--- a/fs/smb/common/smb2pdu.h
+++ b/fs/smb/common/smb2pdu.h
@@ -280,15 +280,16 @@ struct smb3_blob_data {
 #define SE_GROUP_RESOURCE              0x20000000
 #define SE_GROUP_LOGON_ID              0xC0000000
 
-/* struct sid_attr_data is SidData array in BlobData format then le32 Attr */
-
 struct sid_array_data {
        __le16 SidAttrCount;
        /* SidAttrList - array of sid_attr_data structs */
 } __packed;
 
-struct luid_attr_data {
-
+/* struct sid_attr_data is SidData array in BlobData format then le32 Attr */
+struct sid_attr_data {
+       __le16 BlobSize;
+       __u8 BlobData[];
+       /* __le32 Attr */
 } __packed;
 
 /*
@@ -502,6 +503,7 @@ struct smb2_encryption_neg_context {
 #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) /* Pattern_V1 */
+#define SMB3_COMPRESS_LZ4      cpu_to_le16(0x0005)
 
 /* Compression Flags */
 #define SMB2_COMPRESSION_CAPABILITIES_FLAG_NONE                cpu_to_le32(0x00000000)