[openstack-dev] [os-vif] [passthrough] [VifHostDevice]

Moshe Levi moshele at mellanox.com
Fri Sep 22 13:55:16 UTC 2017

The ODL part is still not ready. We need to do code changes in odl to make it work see [1] [2]

[1] https://git.opendaylight.org/gerrit/#/c/62481/ 
[2] https://git.opendaylight.org/gerrit/#/c/60259/ 

We try to make the design as generic as possible so if you have a SR-IOV NIC that support switchdev 
And allow to offload rules using linux tc it should work.  

> -----Original Message-----
> From: pranab boruah [mailto:pranabjyotiboruah at gmail.com]
> Sent: Friday, September 22, 2017 4:50 PM
> To: openstack-dev at lists.openstack.org
> Subject: [openstack-dev] [os-vif] [passthrough] [VifHostDevice]
> Thanks Sean for such a descriptive answer. It definitely helped.
> >the hardware offload support for melonox nics is only supported with
> >the openvswitch or odl >ml2 dirvers
> [Pranab] Okay. We have the option of using ODL as the mechanism driver
> too. I am building the cluster with ODL as the mechanism driver right now and
> would experiment with it.
> Do you think there is a design limitation in VIFHostDevice model that limits us
> in using either only Mellanox or Netronome NICs? AFAIK, say I have a SRIOV
> NIC that supports OVS offload and Switchdev and we use openvswitch/odl as
> the mechanism driver, things should work as expected for this NIC too right?
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