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

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Message-ID: <1405938028.32255.17.camel@jlt4.sipsolutions.net>
Date:	Mon, 21 Jul 2014 12:20:28 +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 Thu, 2014-07-10 at 14:27 +0200, Rostislav Lisovy wrote:
> Add support for parsing radiotap field IEEE80211_RADIOTAP_RATE
> for transmitted frames. Use the provided datarate value in
> info->control.rates[] array so it will be used for transmission.
> 
> Signed-off-by: Rostislav Lisovy <rostislav.lisovy@....cvut.cz>
> ---
> This feature is essential for Transmit Datarate Control (TDC)
> in future implementation of IEEE 802.11-2012 "Wireless Access
> for the Vehicular Environment" support.

It seems like an extremely bad idea to base your implementation of WAVE
on monitor mode with injection.

Why can't you add a proper datapath?

johannes

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