[ovs-dev] utilities/ovs-vlan-bug-workaround obsolete?

[Ben Pfaff]

On Fri, Mar 28, 2014 at 12:16:29PM -0400, Thomas F Herbert wrote:
> While working on unit tests for qinq patch, I noticed this utility,
> ovs-vlan-bug-workaround which seems to be compiled but not linked.
> It is a work around for bugs in earlier upstream kernels in
> thehandling vlan tag offloading (HW_ACCEL)  that caused 802.1q
> single tagged vlans to break.
> 
> Is this code now obsolete for supported kernels 3.11 and above?

It's only useful for XenServer kernels, which are the only ones that
(to my knowledge) are shipped with the patch that the VLAN workaround
requires.

I think that OVS still supports some older XenServer versions with the
buggy drivers.