On Wed, 2010-01-20 at 08:32 +0100, Holger Schurig wrote: > > In any case I have a feeling you're trying to use the kernel as > > a database for something you already know, just don't have > > quite as readily available as you'd like. > > I have a device where the current channel is shown to user-space, > e.g. the operator. We used that to find out on what channel the > current AP is. Or, when the channel is constantly changing, that > the system is still searching for a matching access-point. > > I know that for both things there are other ways to query the > same information, but it's convenient nethertheless. I realise that. But all this is complicated with the planned move to allow different virtual interfaces to use different channels with time-multiplexing. > But one thing for which is no other way is to see the actual > channel-changes due to the search for a new AP. If such a thing > would be important (it isn't for me), maybe a nl80211 broadcast > would be better than, thought. That's actually impossible with a lot of hardware, so I really don't see the point. johannes
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