On Tue, 19 Mar 2013 16:48:06 +0100 Michal Kubecek <mkubecek@xxxxxxx> wrote: > On Tue, Mar 19, 2013 at 08:21:35AM -0700, Eric Dumazet wrote: > > > > Normally a driver has NET_SKB_PAD bytes of headroom before the ethernet > > header, so the bridge code is safe only if all drivers use this > > NET_SKB_PAD padding on receive side. And they really should for > > performance reasons. > > > > Better not touch bridge code to catch offending drivers > > That makes sense. Thank you for your reply. > My view is that the bridge code must check before assuming headroom. But because of that, it means a packet copy would be necessary for cases where packets arrive without enough headroom. -- To unsubscribe from this list: send the line "unsubscribe netfilter-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html