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	Mon, 7 Apr 2008 10:36:08 -0400
Subject: Re: mac80211 hardware encryption
From: Johannes Berg <johannes@sipsolutions.net>
To: Ivo van Doorn <ivdoorn@gmail.com>
Cc: linux-wireless@vger.kernel.org
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Date: Mon, 07 Apr 2008 16:36:03 +0200
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> Ok, so just to summarize (so I have everything right :) )
>=20
> TX path)
> rt2x00 sets the IEEE80211_KEY_FLAG_GENERATE_IV flag
> grabs the IV/EIV from behind the ieee80211 header
> memmove ieee80211 header to remove the IV/EIV
>=20
> TX done path)
> memmove ieee80211 header to make room for IV/EIV
> reinsert IV/EIV behind ieee80211 header
> call ieee80211_tx_status() for mac80211
>=20
> RX path)
> memmove ieee80211 header to make room for IV/EIV
> insert IV/EIV behind ieee80211 header
> call ieee80211_rx() for mac80211

Yes, that looks right.

johannes

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