[Codel] "I was able to implement AQL and ATF in ath11k. AQL specifically allowed me to almost eliminate bufferbloat over Wi-Fi"

[Frantisek Borsik <frantisek.borsik@gmail.com>]

"Let it be in memory of Dave Taht, he would have been happy."

https://forum.openwrt.org/t/qualcommax-nss-build/148529/6624
https://forum.openwrt.org/t/aql-and-the-ath10k-is-lovely/59002/948

AMAZING. This is for you, Dave <3

All the best,

Frank

Frantisek (Frank) Borsik


*In loving memory of Dave Täht: *1965-2025

https://libreqos.io/2025/04/01/in-loving-memory-of-dave/


https://www.linkedin.com/in/frantisekborsik

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frantisek.borsik@gmail.com


---------- Forwarded message ---------
From: St Pavl <mail@forum.openwrt.org>
Date: Sun, Aug 23, 2026 at 11:35 PM
Subject: OpenWrt Forum: AQL and the ath10k is *lovely*
To: <frantisek.borsik@gmail.com>


Someone replied to a topic you are Watching.
St Pavl <https://forum.openwrt.org/u/sppmaster> sppmaster
August 23

ka2107:

Is WiFi AQL supported in ath11k driver

vochong:

No, it’s not yet supported in ath11k driver.

It's just around the corner, thankfully to @JuliusBairaktaris
<https://forum.openwrt.org/u/juliusbairaktaris>.

Qualcommax NSS Build
<https://forum.openwrt.org/t/qualcommax-nss-build/148529/6624> Community
Builds, Projects & Packages
<https://forum.openwrt.org/c/community-builds-projects-packages/11>

I was able to implement AQL and ATF in ath11k. AQL specifically allowed me
to almost eliminate bufferbloat over wifi: In the PPE (hardware): Wi-Fi
download rate — shaped by the CPU port's token bucket via cpu_port_rate,
because every frame to a Wi-Fi client leaves the switch by port 0. Wi-Fi
upload rate — shaped by the WAN egress tbf, same as wired. Classification —
the ACL marks small frames into the priority band for everything the switch
forwards. Not in the PPE, and can't be: Which…

Let it be in memory of @dtaht <https://forum.openwrt.org/u/dtaht>, he would
have been happy.
------------------------------

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