[ath9k-devel] sensibility of driver

[Luis R. Rodriguez <lrodriguez@atheros.com>]

On Tue, Dec 30, 2008 at 03:47:11AM -0800, AlainBB wrote:
> Luis R. Rodriguez wrote:
> > On Mon, Dec 29, 2008 at 1:45 AM, AlainBB <alain@barbason.be> wrote:
> >> Hi,
> >>
> >> I have a D-link DWA-547 wifi card and I try this on my debian/lenny.
> >> I Compile a new kernel 2.6.27, and it ... works.
> >>
> >> But, the number of access point it's not the same with my windows XP.
> >> I have 12 access points  with windows, and only 4 with my linux (the 4
> >> better signal but not the access point I want)
> >> I suppose what the limit of sensibility is not the same. But I don't
> >> change the limit with the driver .
> >> I try "iwconfig wlan0 sens -80 , but "sens" it's not recognize.
> >> I change -95 to -150 in hw.c and core.h (and in other file in
> >> /driver/net/wirelesse) but it didn't work.
> >>
> >> Have you a solution to change the thresold of sensibility ?
> >
> > We ignore SIOCSIWSENS in mac80211 and as such no mac80211 driver uses it.
> >
> > If you have small issues with ath9k on 2.6.27 and want to get an
> > improved driver I would recommend to upgrade to the latest stable
> > kernel, now 2.6.28, or get the very latest and greatest by using
> > what's on wireless-testing directly or through compat-wireless:
> l.org/pub/linux/kernel/people/mcgrof/patches/mac80211/aggrv9-2.6.27/
> 
> 
> >   Luis
> >
> hi,
> 
> Thank for the information. I compile the 2.6.28 but there are no
> difference for the number of Access Point.
> 
> I'm ready to search myself to change file .c, but have you a idea where
> are the files to change to improve the sensibility, or reduce a thresold ?

Before trying to change things you may want to try wireless-testing or compile
from compat-wireless as that is where we have our latest and greatest.

You can read about how to get the wireless-testing tree using git here:

http://wireless.kernel.org/en/developers/Documentation/git-guide

With compat-wireless you just download the wireless framework and drivers
and get to compile it for older kernels:

http://wireless.kernel.org/en/users/Download

  Luis