[ovs-dev] [PATCH v7] datapath: Add support for VXLAN tunnels to Open vSwitch

[Ben Pfaff]

On Wed, Dec 05, 2012 at 10:23:43AM -0800, Jesse Gross wrote:
> This will run on both userspace and kernel for the files that need to
> be recompiled.  The userspace version is a little bit more
> temperamental because sparse requires header annotations to work
> properly and userspace headers don't generally have those.  OVS has a
> special annotated set but I've only seen them work on Debian.  If you
> use C=2 instead then it will run on all files (regardless of
> compilation status) on just the kernel.

I think the main reason they only work on Debian (and only on squeeze so
far) is just because that's what I use, and I wrote them.  I don't think
it would be too hard to adapt them to other systems, if the people who
use those systems would take a little time to do it.