[ovs-discuss] OVS+DPDK on CentOS 7

[Ben Pfaff]

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
> > >
> > >