1 files changed, 15 insertions, 2 deletions

diff --git a/fs/cifs/cifspdu.h b/fs/cifs/cifspdu.h
index e996ff6b26d1..11ca24a8e054 100644
--- a/fs/cifs/cifspdu.h
+++ b/fs/cifs/cifspdu.h
@@ -142,6 +142,11 @@
  */
 #define CIFS_SESS_KEY_SIZE (16)
 
+/*
+ * Size of the smb3 signing key
+ */
+#define SMB3_SIGN_KEY_SIZE (16)
+
 #define CIFS_CLIENT_CHALLENGE_SIZE (8)
 #define CIFS_SERVER_CHALLENGE_SIZE (8)
 #define CIFS_HMAC_MD5_HASH_SIZE (16)
@@ -531,7 +536,7 @@ typedef struct lanman_neg_rsp {
 #define READ_RAW_ENABLE 1
 #define WRITE_RAW_ENABLE 2
 #define RAW_ENABLE (READ_RAW_ENABLE | WRITE_RAW_ENABLE)
-
+#define SMB1_CLIENT_GUID_SIZE (16)
 typedef struct negotiate_rsp {
         struct smb_hdr hdr;     /* wct = 17 */
         __le16 DialectIndex; /* 0xFFFF = no dialect acceptable */
@@ -553,7 +558,7 @@ typedef struct negotiate_rsp {
                 /* followed by 16 bytes of server GUID */
                 /* then security blob if cap_extended_security negotiated */
                 struct {
-                        unsigned char GUID[16];
+                        unsigned char GUID[SMB1_CLIENT_GUID_SIZE];
                         unsigned char SecurityBlob[1];
                 } __attribute__((packed)) extended_response;
         } __attribute__((packed)) u;
@@ -1315,6 +1320,14 @@ typedef struct smb_com_ntransact_rsp {
         /* parms and data follow */
 } __attribute__((packed)) NTRANSACT_RSP;
 
+/* See MS-SMB 2.2.7.2.1.1 */
+struct srv_copychunk {
+        __le64 SourceOffset;
+        __le64 DestinationOffset;
+        __le32 CopyLength;
+        __u32  Reserved;
+} __packed;
+
 typedef struct smb_com_transaction_ioctl_req {
         struct smb_hdr hdr;     /* wct = 23 */
         __u8 MaxSetupCount;