On Sun, 2022-01-23 at 14:14 +0100, Daniel Wagner wrote:
> On Fri, Jan 21, 2022 at 09:43:04AM +0000, VAUTRIN Emmanuel (Canal
> Plus Prestataire) wrote:
> > > Patch applied. I was not aware that iwd shows networks with no
> > > signal
> > > strength. Thanks!
> > 
> > Great news, thank you Daniel!
> > Indeed, it is really rare, but I have noticed that during some full
> > test
> > campaigns, what I have never noticed (during years) with wpa-
> > supplicant.
> 
> Alright, let's add the iwd mailing list. Maybe it's a bug, no idea.

I only see one way this could happen, with a select few drivers.
Looks like the kernel has two possible attributes for the signal
stength based on what the driver sets 'signal_type' to. IWD only
handles SIGNAL_DBM, but SIGNAL_UNSPEC is also possible.
 
What hardware did you see this on? Based on what I'm seeing in the
kernel it is probably one of zd1211rw, at76c50x-usb, adm8211, or
rtl8180?

I'm gonna guess this never got handled because the nl80211 docs say
this attribute is "unspecified units"...

Thanks,
James


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