On Wed, Aug 14, 2024 at 10:29:29AM +0200, Kurt Kanzenbach wrote: > >> case XDP_REDIRECT: > >> err = xdp_do_redirect(adapter->netdev, xdp, xdp_prog); > > > > We were introducing a ZC variant of handling XDP verdict due to a fact > > that mostly what happens is the redirect to user space. We observed a > > reasonable perf improvement from likely()fying XDP_REDIRECT case. > > Indeed, I can observe an improvement too. > > I've introduced igb_run_xdp_zc() which takes care of that > optimization. Also it takes a pointer to the (read once) xsk_pool to > address the other comment. Nice, thanks! > > Thanks, > Kurt
