whether PMD supports thread safe operations. If PMD doesn't set the flag,
rte_flow API level functions will protect the flow operations with mutex.
+* **Added flow-based traffic sampling support.**
+
+ Added new action: ``RTE_FLOW_ACTION_TYPE_SAMPLE`` to duplicate the matching
+ packets with specified ratio, and apply with own set of actions with a fate
+ action. When the ratio is set to 1 then the packets will be 100% mirrored.
+
* **Updated Broadcom bnxt driver.**
Updated the Broadcom bnxt driver with new features and improvements, including:
* ``rx_qN*`` -> ``rx_qN_*``
* ``tx_qN*`` -> ``tx_qN_*``
+* ethdev: Added capability to query age flow action.
+
* ethdev: Renamed internal functions:
* ``_rte_eth_dev_callback_process()`` -> ``rte_eth_dev_callback_process()``