Re: 2.6.25-rc2 regression in rt61pci wireless driver

[Stefano Brivio <stefano.brivio@polimi.it>]

On Tue, 26 Feb 2008 21:30:38 +0100
"Ivo Van Doorn" <ivdoorn@gmail.com> wrote:

> rt2x00 is known to be less sensitive then the legacy drivers, scanning
> produces less and more inconsistent results (Not all AP's are reported,
> even when that AP has a high rssi), and the reported RSSI is often
> much lower then expected with the distance to the AP.
> I have compared many register dumps, but have never managed to
> find a real register setting that might cause this. So what might be
> the problem is that rt2x00 is not reporting the RSSI correctly to mac80211.

No, we don't care at all about RSSI in rc80211-pid.

> I have to admit that I haven't looked into the 'pid' algorithm closely,
> but could it be that some fields in the tx status report upon txdone
> are being treated as "very important" while the driver doesn't report it
> (For example ack signal strength)?

The only important thing drivers should report back to mac80211 are ACKed
frames. In rc80211-pid (and it's just the same in rc80211-simple) the only
inputs from mac80211 are succesfully (re)transmitted frames and failed
frames.


-- 
Ciao
Stefano