On Wednesday 2010-09-01 11:57, Nicola Padovano wrote: >"If a packet is handled by a bridge, that is, a component that does not >deal with layer 3 or 4, there is no point in spending time to find the >start of the layer 3/4 header." > >Ok, well: great. but in this case (bridge) also the skb_network_header >function is senseless because we don't have to find layer3 header. >isn't it? Correct. >in general: when i can use the skb_transport_header function? When a transport header pointer has been set. Which is when the appropriate layer-X function has processed it. (After ip_rcv for example) On the output path, since it goes in the reverse direction, it will always be set. -- 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
