[ovs-git] [openvswitch/ovs] dfa112: netdev-dpdk: Don't enable offloading on HW device ...

[Ilya Maximets]

  Branch: refs/heads/branch-2.13
  Home:   https://github.com/openvswitch/ovs
  Commit: dfa11246c3fcb38af0b1d73c1d60f5358e7f7cd6
      https://github.com/openvswitch/ovs/commit/dfa11246c3fcb38af0b1d73c1d60f5358e7f7cd6
  Author: Ilya Maximets <i.maximets at ovn.org>
  Date:   2020-02-07 (Fri, 07 Feb 2020)

  Changed paths:
    M lib/netdev-dpdk.c

  Log Message:
  -----------
  netdev-dpdk: Don't enable offloading on HW device if not requested.

DPDK drivers has different implementations of transmit functions.
Enabled offloading may cause driver to choose slower variant
significantly affecting performance if userspace TSO wasn't requested.

Fixes: 29cf9c1b3b9c ("userspace: Add TCP Segmentation Offload support")
Reported-by: David Marchand <david.marchand at redhat.com>
Acked-by: David Marchand <david.marchand at redhat.com>
Acked-by: Flavio Leitner <fbl at sysclose.org>
Acked-by: Kevin Traynor <ktraynor at redhat.com>
Signed-off-by: Ilya Maximets <i.maximets at ovn.org>