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From: Johannes Berg <johannes@sipsolutions.net>
To: ABM Musa <amusa2@uic.edu>
Cc: 'Daniel Haid' <d.haid@gogi.tv>, linux-wireless@vger.kernel.org
Subject: RE: Capturing packets with bad FCS in monitor mode
Date: Thu, 05 Aug 2010 16:56:41 +0200	[thread overview]
Message-ID: <1281020201.4058.4.camel@jlt3.sipsolutions.net> (raw)
In-Reply-To: <475A8455ABBB4AD79E2B0AD03B1F69B9@personal>

On Thu, 2010-08-05 at 09:43 -0500, ABM Musa wrote:
> Packets with crc error can be captured using corresponding flag of iw.
> 
> iw phy phy0 interface add wlan0 type monitor flags fcsfail 
> 
> However, there is also option for plcpfail flag but I never obtained any
> packet with plcpfail using this flag. Any info about that will be helpful.

It only works with very few drivers (b43) and also had issues -- you'll
probably need this patch:
http://johannes.sipsolutions.net/patches/kernel/all/LATEST/NNN-mac80211-no-rate-check.patch

johannes


  reply	other threads:[~2010-08-05 14:56 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-05 14:14 Capturing packets with bad FCS in monitor mode Daniel Haid
2010-08-05 14:43 ` ABM Musa
2010-08-05 14:56   ` Johannes Berg [this message]
2010-08-05 16:19   ` Daniel Haid
2010-08-05 16:30     ` ABM Musa
2010-08-05 16:40       ` Daniel Haid
2010-08-05 16:50         ` ABM Musa
2010-08-05 22:58 ` Qasim Javed
2010-08-06  0:58   ` Daniel Haid
2010-08-06  1:06   ` Daniel Haid
2010-08-06 10:09   ` radiotap rate no longer supported in mac80211? Daniel Haid

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