Subject: Re: Hw Accel in Secured Mesh No Longer Work
From: Johannes Berg <johannes@sipsolutions.net>
To: Yeoh Chun-Yeow <yeohchunyeow@gmail.com>
Cc: linux-wireless@vger.kernel.org, Javier Cardona <javier@cozybit.com>
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Date: Wed, 07 Mar 2012 15:31:26 +0100
Message-ID: <1331130686.3519.14.camel@jlt3.sipsolutions.net> (sfid-20120307_153134_073534_E08EB414)
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Hi,

> > Huh? Well that's odd, maybe there's a race condition and you program the
> > key before the peer was added to the device?
> 
> Not so sure. The adding of key is actually done by the meshd-nl80211
> (authsae) daemon running in userspace.
> 
> https://github.com/cozybit/authsae/blob/master/linux/meshd-nl80211.c
> 
> /* key to encrypt/decrypt unicast data AND mgmt traffic to/from this peer */
> install_key(&nlcfg, peer, CIPHER_CCMP, NL80211_KEYTYPE_PAIRWISE, 0, mtk);

Yeah but that always required a station ... now you have a station but
it's not uploaded.

> > What device are you working with?
> I am using atheros 11n chipset (ath9k).

Ok.

I think you're probably trying to set a key before the station is set to
associated?

johannes