[ovs-discuss] Install Flow Rule directly into the kernel module

Ben Pfaff blp at nicira.com
Tue Mar 10 22:07:00 UTC 2015

On Tue, Mar 10, 2015 at 09:38:51PM +0100, Sascha Bleidner wrote:
> I am using OVS 2.0.1 inside a mininet emulation testbed. Since I am
> focusing on performance related questions, I was wondering if there
> is a way to force the OVS to directly install a flow rule send along
> with a flow mod message from the controller directly into the kernel
> instead of just storing it into the user space until a matching
> packet arrives at the switch. I am using the Ryu Framework
> (https://github.com/osrg/ryu) as a controller.

You probably shouldn't do that.  If you still want to, you can use
"ovs-dpctl add-flow".

Since you're focusing on performance, you should probably upgrade to
OVS 2.3 or, better yet, a recent snapshot of "master".

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