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Message-ID: <e6509d55-ea5e-ee51-692f-2fe75ba28a21@tarent.de>
Date:   Mon, 29 Aug 2022 17:38:19 +0200 (CEST)
From:   Thorsten Glaser <t.glaser@...ent.de>
To:     netdev@...r.kernel.org
Subject: Re: inter-qdisc communication?

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…

bye,
//mirabilos
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