[RFC 0/4] hostapd: introduce Automatic Channel Selection (ACS)
Yogesh Ashok Powar
Fri Jul 26 01:45:31 PDT 2013
On Fri, Jul 26, 2013 at 01:00:23AM -0700, Johannes Berg wrote:
> On Fri, 2013-07-26 at 07:33 +0200, Michal Kazior wrote:
> > Yes, that crossed my mind too. However there's currently no way of
> > telling a driver how long it should stay on each channel during scan.
> > We also wouldn't be totally piggy-backing the overlapping BSS scan
> > since ACS can do a couple of scan-cycles (unless we decide not to, and
> > simply do a very long scan on each channel once).
> > But yeah, using scan seems certainly simpler and would make it easier
> > to add BSS-based ACS in the future.
> Fair enough, maybe we should just leave it as is and create new
> mechanisms in the future? I just think that we might not support
> remain-on-channel as the mechanism for doing measurements (in our
> driver) as easily.
Here is our last findings from ACS feature in hostapd
We can give users some option to choose from different ACS
algorithms. Eg., Simple scan based algorithm or Advanced algo which
requires off-channel rx/tx support from the driver.
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