FreeBSD The Power to Serve

ENA FreeBSD Driver Update

Links:
ENA README URL: https://github.com/amzn/amzn-drivers/blob/master/kernel/fbsd/ena/README.rst

Contact: Michal Krawczyk <mk@semihalf.com>
Contact: David Arinzon <darinzon@amazon.com>
Contact: Marcin Wojtas <mw@FreeBSD.org>

ENA (Elastic Network Adapter) is the smart NIC available in the virtualized environment of Amazon Web Services (AWS). The ENA driver supports multiple transmit and receive queues and can handle up to 100 Gb/s of network traffic, depending on the instance type on which it is used.

Completed since the last update:

  • Upstream of the ENA driver v2.6.0 and v2.6.1, included:

    • Fix for the performance degradation after reset issue on 6-gen instances,

    • Fix of the false netmap assertions with KASSERT enabled,

    • Code cleanup and style fixes,

    • Logging improvements,

    • Fix to the retrieval of the ENI metrics.

Sponsor: Amazon.com Inc

Last modified on: October 18, 2022 by Lorenzo Salvadore