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[Tim Gardner <tim.gardner@xxxxxxxxxxxxx>]

These patches will appear in the 14.04.4 kernel in due course.

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https://bugs.launchpad.net/bugs/1533249

Title:
  Re-enable vlan TX acceleration

Status in linux package in Ubuntu:
  Fix Released
Status in linux source package in Wily:
  In Progress
Status in linux source package in Xenial:
  Fix Released

Bug description:
  
  Unable to send TCP/UDP traffic between VLAN on ConnectX4LX, due to vlan TX acceleration is off.

  Scenario

         Configure static VLAN on CX4LX and try to run iperf TCP/UDP.
         There are no traffic TCP/UDP even that the ICMP traffic pass (using ping between vlan's)
       

         #server #   iperf -s

        #Client: #   iperf -c <Vlan-ip>

  
  Setup info: 

  OS: Ubuntu14.04.4
  Kernel  4.2.0-22

  Upstream commits that fix this issue

  c44d84d net/mlx5e: Fix inline header size calculation
  59fb571 net/mlx5e: Fix LSO vlan insertion
  13c5224 net/mlx5e: Re-eanble client vlan TX acceleration

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