On Tue, Jun 30, 2015 at 11:19:08PM -0700, Jesse Gross wrote: > The addition of Geneve options to packet metadata significantly > expanded its size. It was reported that this can decrease performance > for DPDK ports by up to 25% since we need to initialize the whole > structure on each packet receive. > > It is not really necessary to zero out the entire structure because > miniflow_extract() only copies the tunnel metadata when particular > fields indicate that it is valid. Therefore, as long as we zero out > these fields when the metadata is initialized and ensure that the > rest of the structure is correctly set in the presence of a tunnel, > we can avoid touching the tunnel fields on packet reception. > > Reported-by: Ciara Loftus <ciara.lof...@intel.com> > Signed-off-by: Jesse Gross <je...@nicira.com>
Acked-by: Ben Pfaff <b...@nicira.com> _______________________________________________ dev mailing list dev@openvswitch.org http://openvswitch.org/mailman/listinfo/dev
