Might it have to do with these RFC's?

https://git.openwrt.org/?p=openwrt/openwrt.git;a=commit;h=a5e3def1822431ef6436cb493df77006dbacafd6


>
> ---------- Forwarded message ----------
> From: "Toke Høiland-Jørgensen" <toke@toke.dk>
> To: make-wifi-fast@lists.bufferbloat.net
> Cc:
> Bcc:
> Date: Mon, 03 Jan 2022 22:06:06 +0100
> Subject: [Make-wifi-fast] Upcoming WiFi standard to set per-flow DSCP
> values?
> During a discussion on netdev[0], an upcoming WiFi standard that will
> allow the AP to inform the clients about which DSCP values to set for
> particular flows was mentioned as a use case. Anyone knows anything more
> about this?
>
> -Toke
>
> [0]
> https://lore.kernel.org/all/CANP3RGeNVSwSfb9T_6Xp8GyggbwnY7YQjv1Fw5L2wTtqiFJbpw@mail.gmail.com/
>
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