On Mon, May 18, 2020 at 10:39 AM Gaul, Maximilian <maximilian.gaul@xxxxxx> wrote: > > Hello, > > I read through the paper "The Path to DPDK Speeds for AF XDP" but I couldn't find information about how the Kernel choses the Umem frame for the next packet? Or in case of zero-copy, how the driver decides which Umem frame to chose. > But maybe I just overlooked it. > > So how does this work? User-space decides this by what frames it enters into the fill ring. Kernel-space uses the frames in order from that ring. /Magnus > Best regards > > Max
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