+/* Closes and frees the connection to 'dpif'. Does not destroy the datapath
+ * itself; call dpif_delete() first, instead, if that is desirable. */
+void
+dpif_close(struct dpif *dpif)
+{
+ if (dpif) {
+ struct registered_dpif_class *registered_class;
+
+ registered_class = shash_find_data(&dpif_classes,
+ dpif->dpif_class->type);
+ assert(registered_class);
+ assert(registered_class->refcount);
+
+ registered_class->refcount--;
+ dpif_uninit(dpif, true);
+ }
+}
+
+/* Performs periodic work needed by 'dpif'. */
+void
+dpif_run(struct dpif *dpif)
+{
+ if (dpif->dpif_class->run) {
+ dpif->dpif_class->run(dpif);
+ }
+}
+
+/* Arranges for poll_block() to wake up when dp_run() needs to be called for
+ * 'dpif'. */
+void
+dpif_wait(struct dpif *dpif)
+{
+ if (dpif->dpif_class->wait) {
+ dpif->dpif_class->wait(dpif);
+ }
+}
+
+/* Returns the name of datapath 'dpif' prefixed with the type
+ * (for use in log messages). */
+const char *
+dpif_name(const struct dpif *dpif)
+{
+ return dpif->full_name;
+}
+
+/* Returns the name of datapath 'dpif' without the type
+ * (for use in device names). */
+const char *
+dpif_base_name(const struct dpif *dpif)
+{
+ return dpif->base_name;
+}
+
+/* Returns the fully spelled out name for the given datapath 'type'.
+ *
+ * Normalized type string can be compared with strcmp(). Unnormalized type
+ * string might be the same even if they have different spellings. */
+const char *
+dpif_normalize_type(const char *type)