On Thu, 2006-11-16 at 09:40 -0800, Jouni Malinen wrote:

> It's been awhile since I working on this part, but if I remember
> correctly, this can be done easily by the driver behaving different
> based on the frame being fragmented or not (it is fragmented if MoreFrag
> flag is set or seq# != 0). That's the way it was done with hardware
> designs that allow full TKIP hwaccel for MSDUs that are not fragmented,
> but require software implementation of Michael MIC if MSDU is
> fragmented.

Oh right, I forgot that the driver can just look into the 802.11 header,
was checking tx_control only :)

johannes

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