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Re: [PATCH 0/9] nl80211: add support for PTK/GTK handshake offload

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On Tue, 2017-05-02 at 13:42 +0100, Arend van Spriel wrote:
> Another change is the
> addition of the flag ATTR_WANT_1X_OFFLOAD that user-space has to pass
> in CONNECT request. Some drivers may need to be aware before the PMK
> is programmed through SET_PMK request.

That naming seems a bit questionable - WANT_1X_4WAY_HS or so might be
better? We don't (want to) offload the 1X handshake after all, so that
name is a bit confusing IMHO.

> This series also comes with driver implementation in brcmfmac
> although it does not use the authorized flag in the ROAM event (yet).
> 
> The series applies to the master branch of the mac80211-next
> repository.

Cool.

> One remaining open issue is regarding DEL_PMK. The wpa_supplicant
> patches posted on hostap list do not use it and the .del_pmk() is
> also not used within cfg80211. Should it be called in
> __cfg80211_disconnected() just to be sure?

I don't really think so - once you disconnect surely the PMK for the
connection is no longer valid. IMHO it's reasonable to require ensuring
that from drivers, where necessary (mostly, I assume firmware would
throw away the data anyway)

johannes



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