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RE: mac80211 20/40 coexist

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On Mon, 2012-03-19 at 16:02 +0530, Sujith Manoharan wrote:
> Johannes Berg wrote:
> > > 11.14.4.3 specifies that if the operating bandwidth has been changed by the AP
> > > to 20 MHz, then transmitting frames in an extension channel is not allowed ?
> > 
> > Ok, good point. Paul's case was regulatory related, where we
> > (voluntarily) ceased 40 MHz transmissions.
> > 
> > Still though, I think reconfiguring the channel type rather than the
> > rate control algorithm doesn't make a lot of sense in this case since
> > it'd make this very special and unlike the other cases (e.g. AP mode).
> 
> The regulatory issue could have been fixed by sending out the action frame
> specified in 7.4.10.2, no ?

Technically, but that would be assuming it's implemented everywhere ...
if it was tested by the WFA we'd implement it :-)

johannes

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