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 <[email protected]> > Signed-off-by: Jesse Gross <[email protected]>
Acked-by: Ben Pfaff <[email protected]> _______________________________________________ dev mailing list [email protected] http://openvswitch.org/mailman/listinfo/dev
