CIFS: Add readdir support for SMB2

Signed-off-by: Pavel Shilovsky <pshilovsky@samba.org>
Signed-off-by: Steve French <smfrench@gmail.com>

1 files changed, 28 insertions, 0 deletions

diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index d775941f552a..e6ddd1f79706 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -538,6 +538,34 @@ struct smb2_echo_rsp {
         __u16  Reserved;
 } __packed;
 
+/* search (query_directory) Flags field */
+#define SMB2_RESTART_SCANS              0x01
+#define SMB2_RETURN_SINGLE_ENTRY        0x02
+#define SMB2_INDEX_SPECIFIED            0x04
+#define SMB2_REOPEN                     0x10
+
+struct smb2_query_directory_req {
+        struct smb2_hdr hdr;
+        __le16 StructureSize; /* Must be 33 */
+        __u8   FileInformationClass;
+        __u8   Flags;
+        __le32 FileIndex;
+        __u64  PersistentFileId; /* opaque endianness */
+        __u64  VolatileFileId; /* opaque endianness */
+        __le16 FileNameOffset;
+        __le16 FileNameLength;
+        __le32 OutputBufferLength;
+        __u8   Buffer[1];
+} __packed;
+
+struct smb2_query_directory_rsp {
+        struct smb2_hdr hdr;
+        __le16 StructureSize; /* Must be 9 */
+        __le16 OutputBufferOffset;
+        __le32 OutputBufferLength;
+        __u8   Buffer[1];
+} __packed;
+
 /* Possible InfoType values */
 #define SMB2_O_INFO_FILE        0x01
 #define SMB2_O_INFO_FILESYSTEM  0x02