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Subject: Re: Signal quality strange since commit 708c57cf1709fb95
From: Dan Williams <dcbw@redhat.com>
To: Kalle Valo <kalle.valo@iki.fi>
Cc: Larry Finger <Larry.Finger@lwfinger.net>,
	John Linville <linville@tuxdriver.com>,
	Johannes Berg <johannes@sipsolutions.net>,
	wireless <linux-wireless@vger.kernel.org>
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Date: Sun, 22 Feb 2009 10:30:28 -0500
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On Sun, 2009-02-22 at 08:39 +0200, Kalle Valo wrote:
> Larry Finger <Larry.Finger@lwfinger.net> writes:
> 
> > I know how it works with drivers that implement their own ioctl
> > calls for the WEXT interface; however, the 3 that I mentioned all
> > use mac80211 and get their WEXT support through cfg80211.
> 
> Yes, something is wrong now. I noticed the same problem (/70 in signal
> strength) when I was implementing rssi support for at76c50x-usb.

The /70 *by itself* is not a problem.  There could be a problem with the
quality calculation that cfg80211/mac80211 are doing with the reported
signal strength from the hardware-specific driver.

Dan