[ovs-discuss] [ovs-dpdk] multiqueue support for vhost-user netdev

Loftus, Ciara ciara.loftus at intel.com
Mon Jul 13 15:58:10 UTC 2015


> 
> Hello list,
> 
> I would like to know if ovs today (master) is ready (or in plan to get
> ready)
> to support multiqueue for virtio-net driver with vhost-user backend.
At the moment multiqueue support is not available in OVS for vHost.
If it becomes available in an official DPDK release, we can look to provide the functionality in OVS too.

> There is
> an upstream dpdk patch which leverages VMDq pool and RSS in NIC and
> creates
> multiqueue per virtio port in guest.
> 
>      http://dpdk.org/ml/archives/dev/2015-June/019094.html
> 
> As I could not find relevant support in OVS (to start with, no EAL
> option for
> --rxq), I guess OVS needs some work to enable the same. Or, does this
> option
> other_config:n-dpdk-rxqs mean the same ?
> 
> I may be wrong in my understanding as it is something new for me to
> learn its
> operation. Appreciating your suggestion/pointers.
> 
> Regards,
> Gowri Shankar
> 
> 
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