On Thu, Sep 17, 2015 at 01:08:36PM +0300, Marcel Apfelbaum wrote: > On 09/16/2015 08:44 PM, Flavio Leitner wrote: > >On Thu, Sep 10, 2015 at 10:51:19PM +0300, Marcel Apfelbaum wrote: > >>Hi, > >> > >>The page describes how to setup an environment that allows > >>testing/developing > >>vhost-user using ovs (with dpdk) as backend. > >> > >>A regular pc machine can be used, no need for several hosts, a 'dpdk > >>enabled' NIC or 1G huge-pages. > >> > >>The goal is to connect guests' virtio-net devices having vhost-user backend > >>to OVS dpdkvhostuser ports > >>and be able to run any kind of network traffic between them. > >> > >>The page can be found at: > >>http://wiki.qemu.org/Features/vhost-user-ovs-dpdk > >> > >>I want to keep it as simple as possible. > >>If you see steps that can be skipped or unneeded configuration please let > >>me know > >>or feel free to update the page. > > > >I gave a quick look and found couple issues. It seems to be missing > >the installing steps for qemu. Also the eventfd_link module is only > >needed for vhost-cuse, so you don't need to build/install/load at all. > Hi Flavio, > Thank you for reviewing the document! > > For some reason I thought we still need eventfd_link to notify the guests > when new packets arrive. Indeed we don't need this anymore, I updated the > wiki page.
We use the one provided by kernel. The eventfd_link on DPDK is special for vhost-cuse: https://github.com/openvswitch/ovs/blob/master/INSTALL.DPDK.md#dpdk-vhost-cuse-prerequisites > Regarding QEMU, can you please point me to the missing setup steps? > (I think I already took care of them, anyway I want to be sure) Yup, I missed that you are running qemu from the builddir, not from the system, so you don't need to install it. Thanks again, fbl
