Thanks Sugesh. This is excellent info and very useful for me to understand. Much appreciated.
Regards /Shivaram On Fri, Mar 24, 2017 at 9:23 AM, Chandran, Sugesh <[email protected] > wrote: > Please see the link below for difference between VFIO and UIO drivers in > DPDK > > > > http://dpdk-guide.gitlab.io/dpdk-guide/setup/binding.html > > > > > > *Regards* > > *_Sugesh* > > > > *From:* Shivaram Mysore [mailto:[email protected]] > *Sent:* Thursday, March 23, 2017 1:04 PM > > *To:* Chandran, Sugesh <[email protected]> > *Cc:* [email protected] > *Subject:* Re: [ovs-discuss] OVS DPDK and VFIO/UIO > > > > Nope. I meant OVS as the switching fabric for a virtualized > infrastructure - need VFIO > > > > If using OVS as a hardware switch (server with NICS where clients are > connected to raw ethernet ports for switching), then UIO is the way to go. > --> this is my assertion needing validation. > > > > Thanks > > > > On Thu, Mar 23, 2017 at 12:59 PM, Chandran, Sugesh < > [email protected]> wrote: > > > > > > *Regards* > > *_Sugesh* > > > > *From:* Shivaram Mysore [mailto:[email protected]] > *Sent:* Thursday, March 23, 2017 12:56 PM > *To:* Chandran, Sugesh <[email protected]> > *Cc:* [email protected] > *Subject:* Re: [ovs-discuss] OVS DPDK and VFIO/UIO > > > > Thanks Sugesh. > > > > Is VFIO required only when we have a virtualized infrastructure? > > *[Sugesh] Do you mean running OVS-DPDK inside VM/Connecting VMs to the > OVS-DPDK?In either case, you need only uio driver.* > > > > > > Thanks > > > > On Thu, Mar 23, 2017 at 12:52 PM, Chandran, Sugesh < > [email protected]> wrote: > > > > > > *Regards* > > *_Sugesh* > > > > *From:* [email protected] [mailto:ovs-discuss-bounces@ > openvswitch.org] *On Behalf Of *Shivaram Mysore > *Sent:* Thursday, March 23, 2017 10:54 AM > *To:* [email protected] > *Subject:* [ovs-discuss] OVS DPDK and VFIO/UIO > > > > Hello, > > > > If one is setting up a OVS Switch with DPDK on a Intel Server with Intel > NICs on Ubuntu 16.10, they could just use the UIO drivers right? Do they > don't need VFIO configuration [1] correct? Assume that they Intel Server > here is mainly acting as a hardware soft-switch is not running any > virtualization. > > > > Am I correct in my understanding? > > > > [1] http://docs.openvswitch.org/en/latest/intro/install/dpdk/ > > *[Sugesh] Yes, You can use the only UIO drivers to make it work* > > > > > > Thanks > > > > /Shivaram > > > > >
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