[Battlemesh] Linux 5.5 with wifi latency improvements

Dave Taht dave.taht at gmail.com
Mon Jan 27 14:48:06 CET 2020

On Mon, Jan 27, 2020 at 5:34 AM Benjamin Henrion <zoobab at gmail.com> wrote:
> Some notes from Linux 5.5 release:
> "Airtime Queue Limits (AQL) for WiFi make CoDel work effectively with
> wireless drivers that utilized firmware/hardware offloading"

Well, that's a little overbroad in that it basically got the ath10k up
to snuff. The hope was the iwl would also benefit,
but I don't know if those patches made it or not.

But, yea, the ath10k should be MUCH better now. The AQL stuff got lost
in the shuffle to redo the API. I note that I *started* to figure out
what had gone south at the last battlemesh, we had a few other fixes
that needed to go in on the ath10k, before that battlemesh I was
blithly assuming the ath10k was functioning properly.

I wish I'd been able to get the list to agree to reduce the codel
target to 5ms for 5ghz devices generally, but
more testing was needed. And backports....

> https://www.cnx-software.com/2020/01/27/linux-5-5-release-main-changes-arm-mips-and-risc-v-architectures/
> --
> Benjamin Henrion (zoobab)
> Email: zoobab at gmail.com
> Mobile: +32-484-566109
> Web: http://www.zoobab.com
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Dave Täht
CTO, TekLibre, LLC
Tel: 1-831-435-0729

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