smb: smbdirect: introduce smbdirect_socket_parameters.max_frmr_depth

This will be used by the client...

Cc: Steve French <smfrench@gmail.com>
Cc: Tom Talpey <tom@talpey.com>
Cc: Long Li <longli@microsoft.com>
Acked-by: Namjae Jeon <linkinjeon@kernel.org>
Cc: linux-cifs@vger.kernel.org
Cc: samba-technical@lists.samba.org
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Signed-off-by: Steve French <stfrench@microsoft.com>

Author: metze-samba

fs/smb/common/smbdirect/smbdirect.h

@@ -36,6 +36,7 @@ struct smbdirect_socket_parameters {
 	__u32 max_recv_size;
 	__u32 max_fragmented_recv_size;
 	__u32 max_read_write_size;
+	__u32 max_frmr_depth;
 	__u32 keepalive_interval_msec;
 	__u32 keepalive_timeout_msec;
 } __packed;