[ovs-git] [openvswitch/ovs] 1223cf: netdev-dpdk: Don't enable offloading on HW device ...

[Ilya Maximets]

  Branch: refs/heads/master
  Home:   https://github.com/openvswitch/ovs
  Commit: 1223cf123ed141c0a0110ebed17572bdb2e3d0f4
      https://github.com/openvswitch/ovs/commit/1223cf123ed141c0a0110ebed17572bdb2e3d0f4
  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>