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From:   Sergey Ryazanov <ryazanov.s.a@gmail.com>
Date:   Fri, 16 Apr 2021 13:34:50 +0300
Message-ID: <CAHNKnsSrQvGwhm6q3xjw41xMx7LaYzg0eaOZ2OVaDMdpUfO9gg@mail.gmail.com>
Subject: Re: Adding a fifth edca tx queue
To:     Johannes Behrens <johannes.behrens@st.ovgu.de>
Cc:     linux-wireless@vger.kernel.org
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Hello Johannes,

On Thu, Apr 15, 2021 at 5:19 PM Johannes Behrens
<johannes.behrens@st.ovgu.de> wrote:
> currently I am planning to implement a fifth edca tx-queue in the kernel
> for research purposes for special requirements on the tactile internet.
>
> Now I am facing the challenge that I cannot find any actual hardware on
> which I can implement another queue. Do you have any tips for me there?
>
> I have already dug through the code of some drivers of Linux, but
> usually it fails because of the firmware of the WIFI chipsets, which
> does not support this.

Did you look at the ath9k driver for Atheros AR9xxx chipsets? These
chips support only .11a/b/g/n, but they are still a great choice for
MAC research due to the possibility to reprogram many aspects of
channel access.

-- 
Sergey