[ovs-discuss] [CudaMailTagged] Datapath

[Ben Pfaff]

On Wed, Jul 20, 2016 at 12:57:53PM +0200, Amrane Ait Zeouay wrote:
> I'm working on Ovs 2.5.0, I did some modification for userspace I didn't
> touch the datapath yet, so I want to know if i can make datapath to send
> all the packets to userspace instead of treating them, because when i send
> 1M packets the userspace treat almost 30 % and then all of them are treated
> by datapath because it receive the rule from userspace, so is there a way
> to do it ? because in OVS 2.3.1 i didn't had this problem.

If you want a flow to be processed entirely in userspace, add some
SLOW_* bit to ctx->xout->slow in ofproto-dpif-xlate.c.