Add SMB3.02 dialect support
The new Windows update supports SMB3.02 dialect, a minor update to SMB3.
This patch adds support for mounting with vers=3.02
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h
index c3162c2..f13cbbe 100644
--- a/fs/cifs/cifsglob.h
+++ b/fs/cifs/cifsglob.h
@@ -175,6 +175,7 @@
Smb_20,
Smb_21,
Smb_30,
+ Smb_302,
};
struct mid_q_entry;
@@ -1486,4 +1487,7 @@
#define SMB30_VERSION_STRING "3.0"
extern struct smb_version_operations smb30_operations;
extern struct smb_version_values smb30_values;
+#define SMB302_VERSION_STRING "3.02"
+/*extern struct smb_version_operations smb302_operations;*/ /* not needed yet */
+extern struct smb_version_values smb302_values;
#endif /* _CIFS_GLOB_H */
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index c4c6aa9..d5f866a 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -276,6 +276,7 @@
{ Smb_20, SMB20_VERSION_STRING},
{ Smb_21, SMB21_VERSION_STRING },
{ Smb_30, SMB30_VERSION_STRING },
+ { Smb_302, SMB302_VERSION_STRING },
};
static int ip_connect(struct TCP_Server_Info *server);
@@ -1124,6 +1125,10 @@
vol->ops = &smb30_operations;
vol->vals = &smb30_values;
break;
+ case Smb_302:
+ vol->ops = &smb30_operations; /* currently identical with 3.0 */
+ vol->vals = &smb302_values;
+ break;
#endif
default:
cifs_dbg(VFS, "Unknown vers= option specified: %s\n", value);
diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index f2e76f3..14539c7 100644
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -746,3 +746,21 @@
.cap_large_files = SMB2_LARGE_FILES,
.oplock_read = SMB2_OPLOCK_LEVEL_II,
};
+
+struct smb_version_values smb302_values = {
+ .version_string = SMB302_VERSION_STRING,
+ .protocol_id = SMB302_PROT_ID,
+ .req_capabilities = SMB2_GLOBAL_CAP_DFS | SMB2_GLOBAL_CAP_LEASING | SMB2_GLOBAL_CAP_LARGE_MTU,
+ .large_lock_type = 0,
+ .exclusive_lock_type = SMB2_LOCKFLAG_EXCLUSIVE_LOCK,
+ .shared_lock_type = SMB2_LOCKFLAG_SHARED_LOCK,
+ .unlock_lock_type = SMB2_LOCKFLAG_UNLOCK,
+ .header_size = sizeof(struct smb2_hdr),
+ .max_header_size = MAX_SMB2_HDR_SIZE,
+ .read_rsp_size = sizeof(struct smb2_read_rsp) - 1,
+ .lock_cmd = SMB2_LOCK,
+ .cap_unix = 0,
+ .cap_nt_find = SMB2_NT_FIND,
+ .cap_large_files = SMB2_LARGE_FILES,
+ .oplock_read = SMB2_OPLOCK_LEVEL_II,
+};
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c
index a20a8a7..cb155bf 100644
--- a/fs/cifs/smb2pdu.c
+++ b/fs/cifs/smb2pdu.c
@@ -386,6 +386,8 @@
cifs_dbg(FYI, "negotiated smb2.1 dialect\n");
else if (rsp->DialectRevision == cpu_to_le16(SMB30_PROT_ID))
cifs_dbg(FYI, "negotiated smb3.0 dialect\n");
+ else if (rsp->DialectRevision == cpu_to_le16(SMB302_PROT_ID))
+ cifs_dbg(FYI, "negotiated smb3.02 dialect\n");
else {
cifs_dbg(VFS, "Illegal dialect returned by server %d\n",
le16_to_cpu(rsp->DialectRevision));
diff --git a/fs/cifs/smb2pdu.h b/fs/cifs/smb2pdu.h
index 4cb4ced..3da33da 100644
--- a/fs/cifs/smb2pdu.h
+++ b/fs/cifs/smb2pdu.h
@@ -170,6 +170,7 @@
#define SMB20_PROT_ID 0x0202
#define SMB21_PROT_ID 0x0210
#define SMB30_PROT_ID 0x0300
+#define SMB302_PROT_ID 0x0302
#define BAD_PROT_ID 0xFFFF
/* SecurityMode flags */