On Thu, 2019-10-31 at 17:21 -0700, Jakub Kicinski wrote: > > My concern was that we want the applications to encode fast path > logic > in BPF and load that into the kernel. So your patch works > fundamentally > against that goal: I'm only one AF_XDP user but my main goal is to get packets to userspace as fast as possible. I don't (currently) need a BPF program in the path at all. I suspect that many other people that look at AF_XDP as a DPDK replacement have a similar view.