linux-kernel - Re: [PATCH] mac80211: Parse IEEE80211_RADIOTAP

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Date:	Fri, 29 Aug 2014 13:12:58 +0200
From:	Johannes Berg <johannes@...solutions.net>
To:	Rostislav Lisovy <lisovy@...il.com>
Cc:	"John W. Linville" <linville@...driver.com>,
	linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
	Michal Sojka <sojkam1@....cvut.cz>, s.sander@...dsys.de,
	jan-niklas.meier@...kswagen.de,
	Rostislav Lisovy <rostislav.lisovy@....cvut.cz>
Subject: Re: [PATCH] mac80211: Parse IEEE80211_RADIOTAP_RATE on TX

On Mon, 2014-08-25 at 09:52 +0200, Rostislav Lisovy wrote:

> If I am not mistaken it is not possible to say that this feature may be
> useful as the general method for monitor-mode injection with datarate
> until there is some user-space utility really using/needing it?

Yes, this wasn't as much a comment on the patch as rather on your
implied approach for your userspace :)

That said, it's tricky, be cause much hardware doesn't allow to do this.
Maybe we should then have a feature flag or so rather than silently
ignoring the data?

johannes

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