Hello, On Fri, 20 Aug 2010, xiaoyu Du wrote: > I just replied to thank for his idea then, as he gived me some ideas > on how to manipulate > checksum. I tested the code today, but it doesn't seem to work. (I just wrote a > netfilter module and hooked the code on local_out , then ping6 the > address on another PC, > It failed.). I'll find out why. May be because I copied csum_ipv6_magic() code from your patch. Please, try with one '~' before csum_ipv6_magic. > >> >>> icmph->icmp6_cksum = csum_ipv6_magic(&iph->saddr, > >> >>> &iph->daddr, > >> >>> skb->len - icmp_offset, IPPROTO_ICMPV6, > >> >>> 0); > >> >>> skb->csum_start = skb_network_header(skb) - skb->head + > >> >>> icmp_offset; > >> >>> skb->csum_offset = offsetof(struct icmp6hdr, icmp6_cksum); > >> >>> skb->ip_summed = CHECKSUM_PARTIAL; Regards -- Julian Anastasov <ja@xxxxxx> -- 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
