On Thursday, 27 June 2024, 09:07:55 CEST, Kurt Kanzenbach wrote: > Hi Sriram, > > On Fri Aug 04 2023, Sriram Yagnaraman wrote: > > The first couple of patches adds helper funcctions to prepare for AF_XDP > > zero-copy support which comes in the last couple of patches, one each > > for Rx and TX paths. > > > > As mentioned in v1 patchset [0], I don't have access to an actual IGB > > device to provide correct performance numbers. I have used Intel 82576EB > > emulator in QEMU [1] to test the changes to IGB driver. > > I gave this patch series a try on a recent kernel and silicon > (i210). There was one issue in igb_xmit_zc(). But other than that it > worked very nicely. Hi Kurt and Sriram, I recently tried the patches on a 6.1 kernel. On two different devices i210 & i211 I couldn't see any packets being transmitted on the wire. Perhaps caused by the issue in igb_xmit_zc() you mentioned, Kurt? Can you share your findings, please? RX seemed to work on first sight. > It seems like it hasn't been merged yet. Do you have any plans for > continuing to work on this? I can offer to do testing and debugging on real hardware if this helps. Thanks, Benjamin
