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From: Johannes Berg <johannes@sipsolutions.net>
To: Kevin Kellar <kevin.kellar@flyzipline.com>,
	linux-wireless@vger.kernel.org
Subject: Re: iwlwifi: Beacon frame injection at higher modulation in kernel 5.13+?
Date: Wed, 23 Mar 2022 14:35:16 +0100	[thread overview]
Message-ID: <dde1f3a29b7da55697cfaca58565458766f74209.camel@sipsolutions.net> (raw)
In-Reply-To: <CAJyMcLWcoCAHOmoNUT2=oVUWj7Lj5R1O-57KNX_5VXHfBr91OQ@mail.gmail.com>

On Mon, 2022-01-31 at 17:26 -0800, Kevin Kellar wrote:
> 
> Would anyone here be able to weigh in on:
> If frame injection while the interface is in monitor mode is supported
> by the iwlwifi driver

Kind of.

> Whether the iwlwifi team intentionally limits supported
> modulations/datarates for injected frames to be 802.11b 1Mb/s

Not really, but there's no code to handle it otherwise I guess, and
given how rate control works that's not really trivial.

> Whether injection at 802.11n MCSs is supported by Intel wireless
> device firmware, and if we could use this feature through the iwlwifi
> driver.
> 

Yes that should work in firmware, just need to set the rate into the TX
command (rate from command, not rate from STA LQ table)

johannes

      reply	other threads:[~2022-03-23 13:35 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-01  1:26 iwlwifi: Beacon frame injection at higher modulation in kernel 5.13+? Kevin Kellar
2022-03-23 13:35 ` Johannes Berg [this message]

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