Re: [patch nf-next] IPVS: ICMPv6 checksum calculation

[Julian Anastasov]

	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.

> >> >>> Â Â Âicmph->icmp6_cksum = csum_ipv6_magic(&iph->saddr,
> >> >>> Â Â Â Â Â Â Â&iph->daddr,
> >> >>> Â Â Â Â Â Â Âskb->len - icmp_offset, IPPROTO_ICMPV6,
> >> >>> Â Â Â Â Â Â Â0);
> >> >>> Â Â Âskb->csum_start = skb_network_header(skb) - skb->head +
> >> >>> Â Â Â Â Â Â Â Â Â Â Â Âicmp_offset;
> >> >>> Â Â Âskb->csum_offset = offsetof(struct icmp6hdr, icmp6_cksum);
> >> >>> Â Â Âskb->ip_summed = CHECKSUM_PARTIAL;

Regards

--
Julian Anastasov <ja@xxxxxx>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/