On Wed, 2010-09-15 at 07:27 +0200, Michael S. Tsirkin wrote:

For some of the issues, try following the discussion around
net: af_packet: don't call tpacket_destruct_skb() until the skb is
sent
out.

Summary: it's difficult to do correctly generally. Limiting ourselves
to transmit on specific devices might make it possible.

Thanks for the tips.

Shirley