+* **Added flow aging support.**
+
+ Added flow aging support to detect and report aged-out flows, including:
+
+ * Added new action: ``RTE_FLOW_ACTION_TYPE_AGE`` to set the timeout
+ and the application flow context for each flow.
+ * Added new event: ``RTE_ETH_EVENT_FLOW_AGED`` for the driver to report
+ that there are new aged-out flows.
+ * Added new query: ``rte_flow_get_aged_flows`` to get the aged-out flows
+ contexts from the port.
+