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Message-ID: <CAA93jw5DQ7U_TU2SpJNEx4wHxcisb-Am8AHQJHk6hkJNV+w_RQ@mail.gmail.com> Date: Mon, 29 Aug 2022 09:18:19 -0700 From: Dave Taht <dave.taht@...il.com> To: Thorsten Glaser <t.glaser@...ent.de> Cc: Linux Kernel Network Developers <netdev@...r.kernel.org> Subject: Re: inter-qdisc communication? On Mon, Aug 29, 2022 at 9:08 AM Thorsten Glaser <t.glaser@...ent.de> wrote: > > On Mon, 29 Aug 2022, Thorsten Glaser wrote: > > > All references to ifb seem to cargo-cult the following filter… > > > > protocol ip u32 match u32 0 0 flowid 1:1 > > action mirred egress redirect dev ifb0 > > > I require any and all traffic of all protocols to be redirected. > > Not just IPv4, and not just traffic that matches anything. Can I > > do that with the filter, and will this “trick” get me the effect > > I want to have? > > https://wiki.gentoo.org/wiki/Traffic_shaping#Traffic_Shaping_Script > has “protocol all” but there is still a filter required? Looking at > net/sched/cls_u32.c this is _quite_ an amount of code involved; is > there really no pass-all? Maybe it’s time to write one… In general I would really like to simplify the ingress path within the kernel for common cases. My dream has been, of course, to be able to do this: tc qdisc add dev eth0 ingress cake bandwidth 40Mbit. without needing a filter, mirred, and especially, have it remain multicore. > bye, > //mirabilos > -- > Infrastrukturexperte • tarent solutions GmbH > Am Dickobskreuz 10, D-53121 Bonn • http://www.tarent.de/ > Telephon +49 228 54881-393 • Fax: +49 228 54881-235 > HRB AG Bonn 5168 • USt-ID (VAT): DE122264941 > Geschäftsführer: Dr. Stefan Barth, Kai Ebenrett, Boris Esser, Alexander Steeg > > **************************************************** > /⁀\ The UTF-8 Ribbon > ╲ ╱ Campaign against Mit dem tarent-Newsletter nichts mehr verpassen: > ╳ HTML eMail! Also, https://www.tarent.de/newsletter > ╱ ╲ header encryption! > **************************************************** -- FQ World Domination pending: https://blog.cerowrt.org/post/state_of_fq_codel/ Dave Täht CEO, TekLibre, LLC
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