Maciej Fijalkowski <maciej.fijalkowski@xxxxxxxxx> writes: > Hi, > > this is a second revision of a series around XDP_TX improvements for ice > driver. When compared to v1 (which can be found under [1]), two new > patches are introduced that are focused on improving the performance for > XDP_TX as Jussi reported that the numbers were pretty low on his side. > Furthermore the fallback path is now based on static branch, as > suggested by Toke on v1. This means that there's no further need for a > standalone net_device_ops that were serving the locked version of > ndo_xdp_xmit callback. > > Idea from 2nd patch is borrowed from a joint work that was done against > OOT driver among with Sridhar Samudrala, Jesse Brandeburg and Piotr > Raczynski, where we working on fixing the scaling issues for Tx AF_XDP > ZC path. > > Last but not least, with this series I observe the improvement of > performance by around 30%. Wow, "but not least" indeed! :D You can't just drop that at the end like that! I want details - whaddyamean, "by around 30%"? In all cases? Only for TX? Gimme numbers! :) -Toke
