From: Larry Finger <Larry.Finger@lwfinger.net>
To: Johannes Berg <johannes@sipsolutions.net>
Cc: Kalle Valo <kalle.valo@iki.fi>, Dan Williams <dcbw@redhat.com>,
John Linville <linville@tuxdriver.com>,
wireless <linux-wireless@vger.kernel.org>
Subject: Re: Signal quality strange since commit 708c57cf1709fb95
Date: Mon, 23 Feb 2009 22:18:57 -0600 [thread overview]
Message-ID: <49A37531.70907@lwfinger.net> (raw)
In-Reply-To: <1235441441.4455.58.camel@johannes.local>
Johannes Berg wrote:
> 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.
>
> Ok, so what exactly is the problem here?
>
> I intentionally changed it to be /70 rather than /100 so I didn't have
> to do *100/70 in kernel space, and tools should cope with that (and
> users too); is there a problem with how the XX (XX/70) gets calculated?
No, I just wondered if it was intentional that it was changed to /70. It appears
that it was, therefore, at least 3 drivers must be changed as they are
calculating on the basis of /100. For example, my b43 is showing an iwconfig
Link Quality of 93/70 while the KNM applet is showing 50%.
Larry
next prev parent reply other threads:[~2009-02-24 4:19 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-02-21 15:09 Signal quality strange since commit 708c57cf1709fb95 Larry Finger
2009-02-21 18:44 ` Dan Williams
2009-02-21 20:04 ` Larry Finger
2009-02-22 6:39 ` Kalle Valo
2009-02-22 15:30 ` Dan Williams
2009-02-24 2:10 ` Johannes Berg
2009-02-24 4:18 ` Larry Finger [this message]
2009-02-24 5:16 ` Johannes Berg
2009-02-24 7:07 ` Larry Finger
2009-02-24 7:13 ` Johannes Berg
2009-02-27 17:45 ` Johannes Berg
2009-02-27 21:24 ` Larry Finger
2009-02-27 21:48 ` Johannes Berg
2009-02-22 15:32 ` Dan Williams
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