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From:   Roberto Riggio <roberto.riggio@gmail.com>
Date:   Mon, 13 Dec 2021 17:49:38 +0100
Message-ID: <CAKkT90ZoMA-FYtMqqu9hm8W--g1Wj1RpkkxzT=OO4zE7VaVP=Q@mail.gmail.com>
Subject: Re: Frame injection on ath9k
To:     Sven Eckelmann <sven@narfation.org>
Cc:     linux-wireless@vger.kernel.org
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Thanks Sven for the follow-up. Do you know if besides on the ath9k
driver the frame injection is supported also on the ath10k driver?

R.

On Fri, 10 Dec 2021 at 09:27, Sven Eckelmann <sven@narfation.org> wrote:
>
> On Thursday, 9 December 2021 15:41:03 CET Roberto Riggio wrote:
> > Could somebody be so kind to provide me with some pointers about
> > where the frame injection at arbitrary rates from a radiotap header is
> > implemented now?
>
> Not in ath9k - it is in net/mac80211/tx.c. The function
> ieee80211_parse_tx_radiotap will inspect the radiotap header and set the flag
> IEEE80211_TX_CTRL_RATE_INJECT if it was able to retrieve some rates from it.
>
> And ieee80211_tx_h_rate_ctrl will just not try to calculate new rates when
> they were already injected by the radiotap header (see
> IEEE80211_TX_CTRL_RATE_INJECT).
>
> Kind regards,
>         Sven