On Tuesday 2010-04-06 18:37, Patrick McHardy wrote: >Jan Engelhardt wrote: >> On Thursday 2010-04-01 15:22, Patrick McHardy wrote: >>>> Or should we be using skb_alloc and copying the data portion over, like >>>> ipt_REJECT does since v2.6.24-2931-g9ba99b0? >>> I guess pskb_copy() would be most optimal since we can modify >>> the header, but the non-linear area could be shared >> >> Trying to improve my understanding: when doing skb_pull, >> does the skb->head that is relevant for pskb_copy move? > >skb_pull() only changes skb->data. But how does it interact, with, say, xt_TCPMSS which modifies not only the L3 header, but also the L4 header? -- 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