Re: signal strength problem for multiple ap's w/ the same essid

[Dan Williams <dcbw redhat com>]

On Tue, 2005-02-01 at 11:32 -0500, Sven wrote:
> On Tue, 2005-02-01 at 10:51 -0500, Dan Williams wrote:
> > The gdesklet is on crack actually, and those values don't really come
> > from anywhere and break with different cards.  NM is using the values
> > _directly_ from the driver, the same values you see in 'iwconfig'.  If
> > the driver's idea of quality and max quality is off, then the solution
> > is to fix the driver, not work around it with code like gdesklet does
> > that doesn't make any sense for all cards...
> > 
> apart from that: could it be that NM sometimes takes the signal strength
> form the wrong AP (in the situation i described, with AP's with the same
> essid)? and what about the change in signal strengths? 

No, it always uses the signal strength as reported by the card using
SIOCGIWSTATS, namely it uses the exact same values you see in the "Link
Quality  x/y" section of 'iwconfig', and simply does "% = x / y * 100".
Note that /proc/net/wireless doesn't report any maximum quality, but
iwconfig does.

Dan