** Description changed:

  [Impact]
  hns hardware supports vlan TSO but driver does not set the flag.
  
  [Test Case]
- 
+ Performance run through vlan TSO shall reach limitation.
  
  [Fix]
  0d581ba311a2 net: hns: add support for vlan TSO
  
  [Regression Risk]
  Patch restricted to hns3 driver.
- 
  
  """[Bug Description]
  When add vlan to the net ports, the performance is almost 50% lower than no 
vlan.
  
  [Steps to Reproduce]
  1.add vlan to net port(10G fibre);
  2.add ip to this vlan;
  3.run iperf to test the performance;
  
  [Actual Results]
  iperf result is about 5~6Gbp/s
  
  [Expected Results]
  iperf result is about 9.4Gbp/s
  
  [Reproducibility]
  Conditionally Recur
  
  [Additional information]
  Hardware: D05
  Firmware: NA
  Kernel: NA
  
  [Resolution]
  The hip07 chip support vlan TSO, adds NETIF_F_TSO and NETIF_F_TSO6 flags to 
vlan_features."""
  
  net: hns: add support for vlan TSO

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https://bugs.launchpad.net/bugs/1853937

Title:
  [hns-1126] net: hns: add support for vlan TSO

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