Re: new lockdep warning in 2.6.31-rc3-wl

[Johannes Berg <johannes@sipsolutions.net>]

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On Sat, 2009-07-25 at 12:21 -0700, Luis R. Rodriguez wrote:
> On Sat, Jul 25, 2009 at 2:13 AM, Johannes Berg<johannes@sipsolutions.net> wrote:
> > Obviously 3) is my favourite solution, not only because it's the only
> > one that seems feasible at all, but it's somewhat more complex, and I
> > don't really have time to do that today.
> 
> Hm yeah this seems very appealing, it should be noted that this is
> called *very* often too right now because we call this for every
> beacon. 

Actually, no, because I added filtering in mac80211 to make it behave
similarly with and without hardware beacon filtering.

> If we want to merge beacon hint and 11d stuff with the added
> advantage to make new functionality available to cfg80211 it would
> seem then to make sense to add some sort of beacon parser so we can
> extend it later if needed.

True.

> But can fullmac cards send full beacon stuff somehow to cfg80211? Can
> they send 11d stuff or would they have to try to build one? Or can
> they realistically only send alpha2 stuff?

They are supposed to send us at least the IEs from the beacon frame,
which we can process similarly. Otherwise, they cannot even support WPA.

johannes

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