[ovs-dev] [PATCH v1 0/4] openvswitch: DPDK Tunneling.

Pravin Shelar pshelar at nicira.com
Tue Oct 21 17:32:03 UTC 2014


On Tue, Oct 21, 2014 at 10:15 AM, David Christensen
<davidch at broadcom.com> wrote:
>> Following series adds support for tunneling entirely in userspace.
>> Even though this is targeted for DPDK based device, this should
>> work on any platform that support netdev datapath.
>>
>> To make tunneling work it need special configuration, There is
>> README-native-tunneling file which has details.
>> I still need to add tests, I wanted to do it in parallel to review.
>
> It wasn't clear to me while reading through the patchset but does this
> change make OVS responsible for pushing new flows to the kernel, and
> deleting old flows, in response to host routing changes for tunnels?
>

OVS will revalidate all flows in case of routing changes to push new
routes to datapath flow table.
I want to make it clear is the DPDK tunneling depends on tun push-pop
actions which is not supported by kernel datapath. So kernel datapath
will continue to use existing tunneling mechanism.



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