On Sun, 2008-10-19 at 21:12 +0300, Kalle Valo wrote: > > It seems to be a firmware feature, first beacon from the BSS the > > firmware computes the checksum, and if it changes it lets the beacon go > > through and re-computes the checksum, so you see all beacon changes. > > So the driver doesn't have to compute any checksums itself? That makes > things easy then. From what I'm reading in the firmware docs, no. > > Maybe it excludes the TIM. > > It should. Otherwise beacon filtering in a crowded network with > clients in PSM would be next to useless. And I didn't see any major > increase in power consumption at Maemo Summit :) Indeed :) > > I think we want this for when the QoS parameters or something else > > changes. > > Yeah. Just out of curiosity, are there any other parameters which > mac80211 needs to follow? Short preamble? Short slot time? Anything > else? I think that's about it. Maybe something else in IBSS, if that works there at all. johannes
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