[ovs-dev] [PATCH v2] Add experimental support for TUNNEL SRC/DST.

[Jarno Rajahalme]

On Dec 12, 2012, at 18:23 , ext Jesse Gross wrote:
> In any case, flags should be converted between userspace and kernel.
> The same set of flags happen to be defined now with the same values
> but it shouldn't be assumed that is the case.  In particular, if there
> are different versions of userspace and kernel then new flags that the
> other side doesn't know about shouldn't just get carried over.  This
> can result in not being able to setup flows properly.

Is there a mechanism by which the userspace can detect which flags
are supported by the kernel module at runtime?

Thanks,

  Jarno