Message-ID: <1336462671.4328.4.camel@jlt3.sipsolutions.net> (sfid-20120508_093758_640187_0EB43A65)
Subject: Re: [rt2x00-users] [rt2800pci (AP) - ath9k] 802.11w: broken
 aggregation handling?
From: Johannes Berg <johannes@sipsolutions.net>
To: Andreas Hartmann <andihartmann@01019freenet.de>
Cc: Helmut Schaa <helmut.schaa@googlemail.com>,
	Jouni Malinen <j@w1.fi>, hostap@lists.shmoo.com,
	"linux-wireless@vger.kernel.org" <linux-wireless@vger.kernel.org>,
	"users@rt2x00.serialmonkey.com" <users@rt2x00.serialmonkey.com>
Date: Tue, 08 May 2012 09:37:51 +0200
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On Tue, 2012-05-08 at 09:22 +0200, Andreas Hartmann wrote:
> Johannes Berg wrote:
> > On Tue, 2012-05-08 at 08:28 +0200, Andreas Hartmann wrote:
> > 
> >> This means for rt2x00: to get 11w working with hw encryption enabled,
> >> there needs to be some differentiation for the encryption of management
> >> frames: if management frame, let mac80211 do the job - all other frames
> >> should be encrypted by hw.
> >> Correct?
> > 
> > That might not be sufficient -- you might have control over TX, but if
> > the hardware attempts to decrypt encrypted mgmt frames you're out of
> > luck entirely.
> 
> This means, that if hw encryption is enabled, the encryption must be
> done entirely by hw (because of rx) and therefore, MFP must be supported
> by hardware (does Ralink support MFP?)? Or is there a possibility to
> tell the hardware not to decrypt some types of frames even if they are
> encrypted?

How would I know? This is all hardware questions :)

johannes