On Fri, 8 May 2020 at 15:08, Björn Töpel <bjorn.topel@xxxxxxxxx> wrote: > > On Fri, 8 May 2020 at 15:01, Maxim Mikityanskiy <maximmi@xxxxxxxxxxxx> wrote: > > [] > > All zeros hints that you're probably putting in the wrong DMA address somewhere. > Hmm, I can't see that you're using xsk_buff_xdp_get_dma() anywhere in the code. Probably it? Björn