Comment 0 for bug 1853937

"""[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