Hi Jan,
On 10.02.2017 04:14, Jan Scheurich wrote:
Hi Valentine,
On 2017-02-09 08:58, Valentine Sinitsyn wrote:
This L3 patchset looks similar to what we did internally with OVS 2.6
to add support for IPv6 tunnels.
Could you please confirm that ovs-dpctl reports correct statistics
with this patchset when one uses in-kernel Linux datapath? We had some
issues with this (the counters were always zero). Largely, this was
because userspace code (I refer to the tools and the daemon, not DPDK
datapath here) assumes a plugged network interface is always L2, and I
don't see this patch touching these files.
The most recent user-space code in vswitchd that deals with the L3
tunnels in netdev and kernel datapath is contained in another patch
series:
https://mail.openvswitch.org/pipermail/ovs-dev/2017-February/328391.html
You could help in reviewing that. It may not be complete with respect to
handling kernel datapath tunnels as we were not able to test yet due to
a lack of patches to configure L3 tunnel ports in the kernel. But
similar problems with counters might also exist with netdev datapath.
I had a quick look at patch series, thanks for the links. Will try to
have a more in-depth look this week.
As for the "counters issue" I mentioned, it seems tiny given the scope
of the patchset. Moreover, a get_etheraddr() change in [1] should fix
it, although I haven't checked yet.
[1] https://mail.openvswitch.org/pipermail/ovs-dev/2017-February/328392.html
Best,
Valentine
Thanks, Jan
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