Re: [KISMET] [PATCH] Support for prism2 hostap drivers (fwd)

From: Jun Sun (
Date: 2002-07-29 18:33:25 UTC

On Mon, Jul 29, 2002 at 08:09:04PM +0300, Jouni Malinen wrote:
> On Fri, Jul 26, 2002 at 10:26:51PM -0700, Eric Johanson wrote:
> > My question: We hop channels to find APs. (see below). Is there any way
> > to build a hopper that could tell if it's a good time to change? some
> > type of 'busy' flag? or a method to change channels 'at the end of the
> > next packet'?
> I'm not aware of any mechanism for this. The driver will get interrupted
> when the RX packet is ready, but there is no info about the packet
> receiption start to the driver. The firmware code could of course take
> care of this so that it would delay channel change commands should there
> be pending packets. I do not know, whether it has any functionality like
> this.

Not sure if this is related. I read some article which says the mobile client can request to enter power saving mode with current AP. If the request is granted, then client is free scan other channels.

I don't AP can enter power saving mode. Not sure how you will implement this feature in hostap driver.


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