[ovs-discuss] Mega-flow generation

O Mahony, Billy billy.o.mahony at intel.com
Tue Aug 28 08:27:28 UTC 2018


Hi Sara,

This article https://software.intel.com/en-us/articles/ovs-dpdk-datapath-classifier gives practical overview of how megaflows, aka wildcarded or datapath flows, work at least in the ovs-dpdk (userspace datapath) context.

Regards,
Billy

> -----Original Message-----
> From: ovs-discuss-bounces at openvswitch.org [mailto:ovs-discuss-
> bounces at openvswitch.org] On Behalf Of Ben Pfaff
> Sent: Monday, August 27, 2018 5:10 PM
> To: Sara Gittlin <sara.gittlin at gmail.com>
> Cc: ovs-discuss at openvswitch.org
> Subject: Re: [ovs-discuss] Mega-flow generation
> 
> On Mon, Aug 27, 2018 at 02:46:19PM +0300, Sara Gittlin wrote:
> > Can someone refer me to the code of the megaflow generation process ?
> > Is this process  invoked by an upcall from the kernel module ? like in
> > microflow ?
> 
> Did you read the OVS paper?  It's all about megaflows.
> http://www.openvswitch.org/support/papers/nsdi2015.pdf
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