On Thu, Jun 30, 2022 at 3:44 PM Jesper Dangaard Brouer <jbrouer@xxxxxxxxxx> wrote: > > > On 30/06/2022 11.37, Magnus Karlsson wrote: > > From: Magnus Karlsson <magnus.karlsson@xxxxxxxxx> > > > > Remove the AF_XDP samples from samples/bpf as they are dependent on > > the AF_XDP support in libbpf. This support has now been removed in the > > 1.0 release, so these samples cannot be compiled anymore. Please start > > to use libxdp instead. It is backwards compatible with the AF_XDP > > support that was offered in libbpf. New samples can be found in the > > various xdp-project repositories connected to libxdp and by googling. > > > > Signed-off-by: Magnus Karlsson <magnus.karlsson@xxxxxxxxx> > > Will you (or Maciej) be submitting these samples to XDP-tools[1] which > is the current home for libxdp or maybe BPF-examples[2] ? > > [1] https://github.com/xdp-project/xdp-tools > [2] https://github.com/xdp-project/bpf-examples > > I know Toke is ready to take over maintaining these, but we will > appreciate someone to open a PR with this code... > > > --- > > MAINTAINERS | 2 - > > samples/bpf/Makefile | 9 - > > samples/bpf/xdpsock.h | 19 - > > samples/bpf/xdpsock_ctrl_proc.c | 190 --- > > samples/bpf/xdpsock_kern.c | 24 - > > samples/bpf/xdpsock_user.c | 2019 ------------------------------- > > samples/bpf/xsk_fwd.c | 1085 ----------------- > > The code in samples/bpf/xsk_fwd.c is interesting, because it contains a > buffer memory manager, something I've seen people struggle with getting > right and performant (at the same time). I can push xsk_fwd to BPF-examples. Though I do think that xdpsock has become way too big to serve as a sample. It slowly turned into a catch all demonstrating every single feature of AF_XDP. We need a minimal example and then likely other samples for other features that should be demoed. So I suggest that xdpsock dies here and we start over with something minimal and use xsk_fwd for the forwarding and mempool example. Toke, I think you told me at Recipes in Paris that someone from RedHat was working on an example. Did I remember correctly? > You can get my ACK if someone commits to port this to [1] or [2], or a > 3rd place that have someone what will maintain this in the future. > > --Jesper >
