Oliver Hartkopp wrote: > 1. The needed skb->sk is preserved for the rx path (the way 'up').
I was thinking about this, don't CAN frames include the identity of the sender? That would be the easiest way to determine whether the frame needs to be delivered. > 2. The loopback indication is done by using the unused skb->protocol in > the tx path. Actually its not unused, it needs to be set on TX frames once the packet leaves the protocol specific code. Its used for example by packet sockets (sk_run_filter), qdisc classification, neighbour resolution, gso segmentation, ... I don't get why you can't directly check the socket option on the TX path. - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
