On Mon, 2012-07-09 at 10:04 +0200, Eric Dumazet wrote: > Only that ixgbe is not yet BQL enabled so I could not add > skb_try_orphan() in its start_xmit() : So if TX completion is a bit > delayed, we can have a throughput slowdown. Oops, ixgbe already is BQL enabled, so I can add the skb_try_orphan()