From 4d4ff16b33e43aeb8cd78de8ad15121c0e261fda Mon Sep 17 00:00:00 2001 From: Steve French Date: Wed, 12 Jun 2013 22:48:41 -0500 Subject: [PATCH] [CIFS] 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 Reviewed-by: Jeff Layton --- fs/cifs/cifsglob.h | 4 ++++ fs/cifs/connect.c | 5 +++++ fs/cifs/smb2ops.c | 18 ++++++++++++++++++ fs/cifs/smb2pdu.c | 2 ++ fs/cifs/smb2pdu.h | 1 + 5 files changed, 30 insertions(+) diff --git a/fs/cifs/cifsglob.h b/fs/cifs/cifsglob.h index c3162c2f9550..f13cbbeaf098 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 c4c6aa99ee1c..d5f866afe560 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 f2e76f3b0c61..14539c71e6e6 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 a20a8a7e1470..cb155bfb3411 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 4cb4ced258cb..3da33da8123c 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 */ -- 2.39.5