[ovs-discuss] OVS+DPDK on CentOS 7

Nicolas Vazquez nicovazquez90 at gmail.com
Sat Jul 13 02:29:16 UTC 2019


Thanks Ben and Alon for your help.

I want to share the solution in case someone else hits the same issue:
dpdkvhostuser type requires the bridge to be created with
datatype_path=netdev as stated in the documentation:
http://docs.openvswitch.org/en/latest/howto/dpdk/

Regards,
Nicolas Vazquez

El jue., 11 de julio de 2019 17:39, Ben Pfaff <blp at ovn.org> escribió:

> I forgot to finish my thought.
>
> For the most recent version of OVS, if DPDK is supported, so is
> dpdkvhostuser (and dpdkvhostuserclient, which is not deprecated).  Maybe
> dpdkvhostuser was optional in 2.9.
>
> On Thu, Jul 11, 2019 at 01:22:20PM -0700, Ben Pfaff wrote:
> > It looks like dpdkvhostuser ports are deprecated, although they should
> > still work.
> >
> > On Thu, Jul 11, 2019 at 12:35:53AM -0300, Nicolas Vazquez wrote:
> > > My mistake :)
> > >
> > > Been checking the /var/run/openvswitch/ovs-vswitchd.log and found this
> is
> > > the error:
> > >
> > > 2019-07-11T03:11:31.789Z|00226|netdev_dpdk|INFO|Socket
> > > /var/run/openvswitch/test created for vhost-user port test
> > > 2019-07-11T03:11:31.790Z|00227|dpif_netlink|WARN|system at ovs-system:
> cannot
> > > create port `test' because it has unsupported type `dpdkvhostuser'
> > >
> > > I thought maybe DPDK was not being initialized properly but
> surprisingly
> > > noticed these earlier in the logs:
> > >
> > > 2019-07-10T18:56:02.183Z|00039|dpdk|INFO|DPDK Enabled - initializing...
> > > 2019-07-10T18:56:02.183Z|00040|dpdk|INFO|No vhost-sock-dir provided -
> > > defaulting to /var/run/openvswitch
> > > 2019-07-10T18:56:02.183Z|00041|dpdk|INFO|EAL ARGS: ovs-vswitchd
> > > --socket-mem 1024,0 -c 0x00000001
> > > 2019-07-10T18:56:03.846Z|00042|dpdk|INFO|DPDK pdump packet capture
> enabled
> > > 2019-07-10T18:56:03.851Z|00043|dpdk|INFO|DPDK Enabled - initialized
> > >
> > > El mié., 10 jul. 2019 a las 16:38, Ben Pfaff (<blp at ovn.org>) escribió:
> > >
> > > > On Wed, Jul 10, 2019 at 04:16:14PM -0300, Nicolas Vazquez wrote:
> > > > > Thank you both.
> > > > >
> > > > > I tried replacing the OVS packages. Have bind NIC to DPDK support:
> > > > > # dpdk-devbind --status
> > > > >
> > > > > Network devices using DPDK-compatible driver
> > > > > ============================================
> > > > > 0000:02:04.0 '82545EM Gigabit Ethernet Controller (Copper) 100f'
> > > > > drv=igb_uio unused=
> > > > >
> > > > > However whenever I try to add a DPDK vHost user port it fails:
> > > > > # ovs-vsctl add-port cloudbr0 test -- set Interface test
> > > > type=dpdkvhostuser
> > > > > ovs-vsctl: Error detected while setting up 'test': could not add
> network
> > > > > device test to ofproto (Invalid argument).  See ovs-vswitchd log
> for
> > > > > details.
> > > > > ovs-vsctl: The default log directory is "/var/log/openvswitch".
> > > >
> > > > Did you look in the log?
> > > >
> > > > The above does *not* mean to run "ovs-vswitchd log", which is not
> going
> > > > to be helpful.
> > > >
> > > > > # ovs-vswitchd log
> > > > > 2019-07-10T19:11:29Z|00001|ovs_numa|INFO|Discovered 3 CPU cores on
> NUMA
> > > > > node 0
> > > > > 2019-07-10T19:11:29Z|00002|ovs_numa|INFO|Discovered 1 NUMA nodes
> and 3
> > > > CPU
> > > > > cores
> > > > > 2019-07-10T19:11:29Z|00003|reconnect|INFO|log: connecting...
> > > > > 2019-07-10T19:11:29Z|00004|reconnect|INFO|log: connection attempt
> failed
> > > > > (Address family not supported by protocol)
> > > > > 2019-07-10T19:11:29Z|00005|reconnect|INFO|log: waiting 1 seconds
> before
> > > > > reconnect
> > > > > 2019-07-10T19:11:30Z|00006|reconnect|INFO|log: connecting...
> > > > > 2019-07-10T19:11:30Z|00007|reconnect|INFO|log: connection attempt
> failed
> > > > > (Address family not supported by protocol)
> > > > > 2019-07-10T19:11:30Z|00008|reconnect|INFO|log: waiting 2 seconds
> before
> > > > > reconnect
> > > >
> > > >
>
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