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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>
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