more efficient than libefx-based and provides richer packet type
classification, but lacks Rx scatter support.
-- ``tx_datapath`` [auto|efx] (default **auto**)
+- ``tx_datapath`` [auto|efx|ef10] (default **auto**)
Choose transmit datapath implementation.
**auto** allows the driver itself to make a choice based on firmware
features available and required by the datapath implementation.
**efx** chooses libefx-based datapath which supports VLAN insertion
(full-feature firmware variant only), TSO and multi-segment mbufs.
+ **ef10** chooses EF10 (SFN7xxx, SFN8xxx) native datapath which is
+ more efficient than libefx-based but has no VLAN insertion and TSO
+ support yet.
- ``perf_profile`` [auto|throughput|low-latency] (default **throughput**)