> On 20 Sep 2018, at 20:27, Stephen Hemminger <step...@networkplumber.org> > wrote: > > Is there a way to use virtio_user as an exception path with DPDK? > > https://doc.dpdk.org/guides-17.11/howto/virtio_user_as_exceptional_path.html > > Testing simple case, I see much better performance with this when forwarding > a 10G device to kernel. > > Rx Tx > KNI 3.2 Gbit/sec 1.3 Gbit/sec > TAP 4.9 4.7 > Virtio 5.6 8.6 > > Maybe a VPP plugin is needed.
Isn't that what we have in our new TAP code? TAP with vhost-net backend? https://git.fd.io/vpp/tree/src/vnet/devices/tap/tap.c <https://git.fd.io/vpp/tree/src/vnet/devices/tap/tap.c>
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