From: "Michael S. Tsirkin" <m...@redhat.com> Date: Thu, 31 Jan 2019 10:25:17 -0500
> On Thu, Jan 31, 2019 at 08:40:30PM +0900, Toshiaki Makita wrote: >> Previously virtnet_xdp_xmit() did not account for device tx counters, >> which caused confusions. >> To be consistent with SKBs, account them on freeing xdp_frames. >> >> Reported-by: David Ahern <dsah...@gmail.com> >> Signed-off-by: Toshiaki Makita <makita.toshi...@lab.ntt.co.jp> > > Well we count them on receive so I guess it makes sense for consistency > > Acked-by: Michael S. Tsirkin <m...@redhat.com> > > however, I really wonder whether adding more and more standard net stack > things like this will end up costing most of XDP its speed. > > Should we instead make sure *not* to account XDP packets > in any counters at all? XDP programs can use maps > to do their own counting... This has been definitely a discussion point, and something we should develop a clear, strong, policy on. David, Jesper, care to chime in where we ended up in that last thread discussion this? _______________________________________________ Virtualization mailing list Virtualization@lists.linux-foundation.org https://lists.linuxfoundation.org/mailman/listinfo/virtualization
