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Re: [PATCH V4 2/2] cfg80211/nl80211: Enable drivers to implement mac address based ACL

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On Thu, 2013-01-03 at 11:17 +0530, Vasanthakumar Thiagarajan wrote:

> > Basically we would have two modes:
> >   * whitelist
> >   * blacklist
> >
> > (each might or might not be supported by the driver)
> >
> > When a station is on the blacklist it's ignored. When it's on the
> > whitelist it's allowed. When it's on neither, but a list is configured,
> > an event might be sent. When there's a black-&  whitelist, the blacklist
> > is this an optimisation to suppress the event, so we don't need a third
> > mode "black- and whitelist supported".
> 
> Thanks!, I was really confused with this optimization part.
> If I get it correctly, there needs to be a mechanism for
> driver to advertise its dual list capability to user space.

No, because that's subsumed by just the whitelist -- the blacklist in
addition to the whitelist is just an optimisation which we can always
pass to the driver but it may ignore.

johannes

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