-int ofproto_create(const char *datapath, const struct ofhooks *, void *aux,
+#define DEFAULT_MFR_DESC "Nicira Networks, Inc."
+#define DEFAULT_HW_DESC "Open vSwitch"
+#define DEFAULT_SW_DESC VERSION BUILDNR
+#define DEFAULT_SERIAL_DESC "None"
+#define DEFAULT_DP_DESC "None"
+
+int ofproto_create(const char *datapath, const char *datapath_type,
+ const struct ofhooks *, void *aux,