Not sure if this is what you are looking for https://docs.nvidia.com/networking/display/TAN10/ASAP+OVS+Offload
On Tue, Feb 15, 2022 at 5:47 AM Brendan Doyle <[email protected]> wrote: > > Hi, > > I'm trying to understand if OVN supports SR-IOV. I found some OpentStack > documentation: > https://docs.openstack.org/project-deploy-guide/charm-deployment-guide/wallaby/app-ovn.html#configuration > that suggests it might, but it is short on details, with specifics > abstracted via the OpenStack CMS. > > Also in the OVN Architecture documentation there are hints to support: > > "For instances connected through representor ports, typically used > with hardware > offload, the ovn-controller may on CMS direction consult a VIF > plug provider for > representor port lookup and plug them into the integration bridge > (please refer to > Docu mentation/topics/vif-plug-providers/vif-plug-providers.rst for > more information)." > > But again short on details. > > So I believe something like a CX-5/6/7 would have the capability to do > this, but here would have to be some > sort of OVN hook for the OVS flows created by OVN to be "copied/moved" > to the H/W so that encapsulation, > NAT, distributed routing ACLs etc is done in the hardware. I can't find > any details on this nor what would the > control plane for programing the hardware be to do that, ovn-nbctl?, > ovsdbapp? some other out of band control plane?. > Also from what I gather from the OpenStack docs this seems experimental > and limited to VXLAN encapsulation? > > At present I use a libvirt OVN hook that hooks KVM/QEMU VMs into OVN > br-int but these are using > software VIFs. I'm trying to ascertain if can have these VM use SR-IOV, > and still have them integrated > into the OVN logical networks. > > > Any pointers would welcome. > > Thanks > > > Brendan > > _______________________________________________ > discuss mailing list > [email protected] > https://mail.openvswitch.org/mailman/listinfo/ovs-discuss _______________________________________________ discuss mailing list [email protected] https://mail.openvswitch.org/mailman/listinfo/ovs-discuss
