[ovs-git] [openvswitch/ovs] 8ecc28: Documentation: add notes for TSO & i40e

Ciara Loftus noreply at github.com
Tue Jan 21 16:24:17 UTC 2020

  Branch: refs/heads/master
  Home:   https://github.com/openvswitch/ovs
  Commit: 8ecc28620631293a0300921f4320af9e8417c58b
  Author: Ciara Loftus <ciara.loftus at intel.com>
  Date:   2020-01-21 (Tue, 21 Jan 2020)

  Changed paths:
    M Documentation/topics/userspace-tso.rst

  Log Message:
  Documentation: add notes for TSO & i40e

When using TSO in OVS-DPDK with an i40e device, the following
patch is required for DPDK, which fixes an issue on the TSO path:
Document this as a limitation until a DPDK release with the fix
included is supported by OVS.

Also, document best known methods for performance tuning when
testing TSO with the tool iperf.

Fixes: 29cf9c1b3b9c ("userspace: Add TCP Segmentation Offload support")
Signed-off-by: Ciara Loftus <ciara.loftus at intel.com>
Acked-by: Flavio Leitner <fbl at sysclose.org>
Signed-off-by: Ian Stokes <ian.stokes at intel.com>

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