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Message-ID: <20230516200251.444f633f@hermes.local> Date: Tue, 16 May 2023 20:02:51 -0700 From: Stephen Hemminger <stephen@...workplumber.org> To: Thorsten Glaser <t.glaser@...ent.de> Cc: Toke Høiland-Jørgensen <toke@...e.dk>, Jakub Kicinski <kuba@...nel.org>, netdev@...r.kernel.org, Haye.Haehne@...ekom.de Subject: Re: knob to disable locally-originating qdisc optimisation? On Wed, 17 May 2023 01:47:10 +0200 (CEST) Thorsten Glaser <t.glaser@...ent.de> wrote: > On Tue, 16 May 2023, Stephen Hemminger wrote: > > >Sounds like it could be extension or part of existing netem. > > No, it does so much more… very extensive reporting to userspace > using debugfs/relayfs, for example, and very specific extra > behaviour. We did look at netem, but it caused trouble. > > bye, > //mirabilos The bottom line is the upstream kernel is very unlikely to accept an knob that is only useful with a non upstream kernel component.
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