Re: [PATCH v4 0/5] mac80211: beacon filtering

[Johannes Berg <johannes@sipsolutions.net>]

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On Sun, 2009-03-22 at 21:56 +0200, Kalle Valo wrote:
> Here's my proposal how to implement beacon filtering in mac80211. The
> basic idea is simple, the driver enables filtering whenever mac80211
> enables power save and the driver calls ieee80211_beacon_loss()
> whenever hardware informs about beacon loss.
> 
> I have tested this with stlc45xx (with beacon filtering) and iwl3945
> (without beacon filtering) and based on simple tests this seems to
> work. For reference I'll send the stlc45xx patch as a followup.

Something I've been wondering about now is how to populate the exclude
list (which would probably be smarter as an include list, but anyway).
This actually affects the entire stack, take for example the BSS load
element, which could potentially change frequently. Unless
wpa_supplicant would want to use it for roaming, we could ignore it.

However, how do we know which elements the various pieces of the stack
need?

johannes

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