+ There is an optional module parameter to openvswitch.ko called
+ vlan_tso that enables TCP segmentation offload over VLANs on NICs
+ that support it. Many drivers do not expose support for TSO on VLANs
+ in a way that Open vSwitch can use but there is no way to detect
+ whether this is the case. If you know that your particular driver can
+ handle it (for example by testing sending large TCP packets over VLANs)
+ then passing in a value of 1 may improve performance. Modules built for
+ Linux kernels 2.6.37 and later, as well as specially patched versions
+ of earlier kernels, do not need this and do not have this parameter. If
+ you do not understand what this means or do not know if your driver
+ will work, do not set this.
+