On Tue, 13 Apr 2021 18:22:02 +0200 Lorenzo Bianconi <lore...@kernel.org> wrote:
> Rely on netif_receive_skb_list routine to send skbs converted from > xdp_frames in cpu_map_kthread_run in order to improve i-cache usage. > The proposed patch has been tested running xdp_redirect_cpu bpf sample > available in the kernel tree that is used to redirect UDP frames from > ixgbe driver to a cpumap entry and then to the networking stack. > UDP frames are generated using pkt_gen. > > $xdp_redirect_cpu --cpu <cpu> --progname xdp_cpu_map0 --dev <eth> > > bpf-next: ~2.2Mpps > bpf-next + cpumap skb-list: ~3.15Mpps > > Signed-off-by: Lorenzo Bianconi <lore...@kernel.org> Acked-by: Jesper Dangaard Brouer <bro...@redhat.com> -- Best regards, Jesper Dangaard Brouer MSc.CS, Principal Kernel Engineer at Red Hat LinkedIn: http://www.linkedin.com/in/brouer