From: Eric Dumazet <eric.dumazet@xxxxxxxxx> Date: Wed, 07 Aug 2013 09:40:09 -0700 > On Wed, 2013-08-07 at 18:22 +0200, Johannes Berg wrote: > >> Maybe. I haven't tested it, but I'm thinking that skb->data doesn't >> point to the start of the data frame in this case, since we now call >> eth_type_trans() which pulls the ethernet header. So if the device just >> transmits skb->len starting from skb->data, it'll be wrong, no? That >> seems a basic assumption though. > > Yes, it seems calling eth_type_trans() is not right here, and even could > crash. > > Sorry, for being vague, I am a bit busy this morning. Yes, this is absolutely the core problem, you absolute cannot call eth_type_trans() on the output path, it pulls off the ethernet header from the packet. That can't possibly work. I want a real fix submitted formally for this problem immediately, or else I'm reverting all of these changes this afternoon. Thanks. -- To unsubscribe from this list: send the line "unsubscribe linux-next" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html