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authorSteve French <smfrench@gmail.com>2013-06-12 22:48:41 -0500
committerSteve French <smfrench@gmail.com>2013-06-24 01:56:45 -0500
commit20b6d8b42e7e7c9af5046fe525d6709e10d14992 (patch)
tree116001ee65e9688793a8fe2b96502e456c54dd3b /fs/cifs
parent9cd2e62c4952a00543685c6ee21cd2bf69b621e9 (diff)
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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>
Diffstat (limited to 'fs/cifs')
-rw-r--r--fs/cifs/cifsglob.h4
-rw-r--r--fs/cifs/connect.c5
-rw-r--r--fs/cifs/smb2ops.c18
-rw-r--r--fs/cifs/smb2pdu.c2
-rw-r--r--fs/cifs/smb2pdu.h1
5 files changed, 30 insertions, 0 deletions
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 @@ enum smb_version {
Smb_20,
Smb_21,
Smb_30,
+ Smb_302,
};
struct mid_q_entry;
@@ -1486,4 +1487,7 @@ extern struct smb_version_values smb21_values;
#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 @@ static const match_table_t cifs_smb_version_tokens = {
{ 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 @@ cifs_parse_smb_version(char *value, struct smb_vol *vol)
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 @@ struct smb_version_values smb30_values = {
.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 @@ SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses)
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 @@ struct smb2_negotiate_req {
#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 */