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[Bug 1533249] Re: Re-enable vlan TX acceleration


Thank you Tim,

This Bug affect just Mellanox Drivers and improve the vlan process in the newest Mellanox Devices.
could you please add this bug Fix to Ubuntu 14.04.4 kernel.

Thanks in advance,

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  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.


         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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