Problem with BSS properties

[Sam Leffler]

On Sat, Dec 26, 2009 at 1:38 PM, Marcel Holtmann <marcel at holtmann.org>wrote:

> Hi Sam,
>
> >         > The other thing are the quality and noise properties. Do you
> >         still want
> >         > these? Or can we just go for a signal property showing the
> >         dBm value
> >         > like iw scan does. I don't see any extra value in keeping
> >         deprecated
> >         > values in the new API.
> >
> >
> >         Please lets get rid of them. One signal strength value that
> >         could be
> >         trusted to contain some useful data is much better than three
> >         with
> >         semi-random values no one can figure out.. Quality has never
> >         been
> >         defined properly and noise is not even a property of a BSS (it
> >         is per
> >         channel and should not have been mixed with scan results in
> >         the first
> >         place).
> >
> >
> > I think dropping noise floor is a bad idea unless you add another
> > mechanism at the same time to get it (is there a mechanism in the new
> > d-bus api?).   The quality parameter has never been useful IMO and
> > dropping it would make sense.
>
> isn't the new survey API of nl80211 doing exactly this for you?
>

Who said anything about linux?


>
> >         > Do you think a "Display" or "Name" property showing the SSID
> >         in
> >         > converted UTF-8 would be useful. Or should the clients do
> >         that
> >         > translation?
> >
> >
> >         I would love to have this, but I do agree that it is next to
> >         impossible
> >         to get this right in all cases.
> >
> >
> > I agree w/ not doing translation in the supplicant.  In my world this
> > work is part of the UI and unless we push state down into the
> > supplicant it cannot do as good a job.
>
> What state are you talking about? The concern here is to figure out the
> locale the AP is potentially using. Even with a country IE available, it
> is not guaranteed that it matches the locale of the SSID, but that might
> be as close as it gets when guessing.
>
> The state needed to do the localization/translation of the string.   This
is not just a locale it's also all the libraries and related bits.

-Sam
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