On Mon, Sep 04, 2023 at 06:06:51PM +0200, Maciej Fijalkowski wrote: > On Thu, Aug 24, 2023 at 09:26:39PM +0200, Larysa Zaremba wrote: > > Alexei has requested an implementation of VLAN and checksum XDP hints > > for one more driver [0]. > > > > This series is exactly the v5 of "XDP metadata via kfuncs for ice" [1] > > with 2 additional patches for mlx5. > > > > Firstly, there is a VLAN hint implementation. I am pretty sure this > > one works and would not object adding it to the main series, if someone > > from nvidia ACKs it. > > > > The second patch is a checksum hint implementation and it is very rough. > > There is logic duplication and some missing features, but I am sure it > > captures the main points of the potential end implementation. > > > > I think it is unrealistic for me to provide a fully working mlx5 checksum > > hint implementation (complex logic, no HW), so would much rather prefer > > not having it in my main series. My main intension with this RFC is > > to prove proposed hints functions are suitable for non-intel HW. > > I went through ice patches mostly, can you provide performance numbers for > XDP workloads without metadata in picture? I'd like to see whether > standard 64b traffic gets affected or not since you're modifying > ice_rx_ring layout. Thank you for the review, I will send the next version with performance numbers.