On Fri, Jan 22, 2021 at 11:13:19AM -0500, Willem de Bruijn wrote: > On Fri, Jan 22, 2021 at 4:44 AM Lukas Wunner <lukas@xxxxxxxxx> wrote: > > Add egress hook for AF_PACKET sockets that have the PACKET_QDISC_BYPASS > > socket option set to on, which allows packets to escape without being > > filtered in the egress path. > > > > This patch only updates the AF_PACKET path, it does not update > > dev_direct_xmit() so the XDP infrastructure has a chance to bypass > > Netfilter. > > Isn't the point of PACKET_QDISC_BYPASS to skip steps like this? I suppose PACKET_QDISC_BYPASS "was introduced to bypass qdisc, not to bypass everything." (The quote is taken from this message by Eric Dumazet: https://lore.kernel.org/netfilter-devel/a9006cf7-f4ba-81b1-fca1-fd2e97939fdc@xxxxxxxxx/ ) Thanks, Lukas