netdev - Re: [PATCH net-next] sched: sch_cake: Align QoS treatment to Windows and Zoom

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Message-ID: <87plkuh4jj.fsf@toke.dk>
Date: Fri, 10 Jan 2025 20:06:40 +0100
From: Toke Høiland-Jørgensen <toke@...e.dk>
To: Jamal Hadi Salim <jhs@...atatu.com>, Cong Wang
 <xiyou.wangcong@...il.com>, Jiri Pirko <jiri@...nulli.us>
Cc: Dave Taht <dave.taht@...il.com>, "David S. Miller"
 <davem@...emloft.net>, Eric Dumazet <edumazet@...gle.com>, Jakub Kicinski
 <kuba@...nel.org>, Paolo Abeni <pabeni@...hat.com>, Simon Horman
 <horms@...nel.org>, cake@...ts.bufferbloat.net, netdev@...r.kernel.org
Subject: Re: [PATCH net-next] sched: sch_cake: Align QoS treatment to
 Windows and Zoom

Toke Høiland-Jørgensen <toke@...hat.com> writes:

> From: Dave Taht <dave.taht@...il.com>
>
> Cake's diffserv4 mode attempted to follow the IETF webrtc
> QoS marking standards, RFC8837.
>
> It turns out Windows QoS can only use CS0, CS1, CS5, and CS7.
>
> Zoom defaults to using CS5 for video and screen sharing traffic.
>
> Bump CS4, CS5, and NQB to the video tin (2) in diffserv4 mode, for
> more bandwidth and lower priority.
>
> This also better aligns with how WiFi presently treats CS5 and NQB.
>
> Signed-off-by: Dave Taht <dave.taht@...il.com>
> Signed-off-by: Toke Høiland-Jørgensen <toke@...hat.com>

Alright, there was some discussion on the cake list re: this. Please
drop.

pw-bot: changes-requested