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Commit 8870f842 authored by Simon Horman's avatar Simon Horman Committed by David S. Miller
Browse files

IPVS: ICMPv6 checksum calculation 



Cc: Xiaoyu Du <tingsrain@gmail.com>
Signed-off-by: default avatarJulian Anastasov <ja@ssi.bg>
Signed-off-by: default avatarSimon Horman <horms@verge.net.au>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 8a891429

net/netfilter/ipvs/ip_vs_core.c

+6 −4
Original line number Diff line number Diff line
@@ -637,10 +637,12 @@ void ip_vs_nat_icmp_v6(struct sk_buff *skb, struct ip_vs_protocol *pp, 
	}



	/* And finally the ICMP checksum */

	icmph->icmp6_cksum = 0;

	/* TODO IPv6: is this correct for ICMPv6? */

	ip_vs_checksum_complete(skb, icmp_offset);

	skb->ip_summed = CHECKSUM_UNNECESSARY;

	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;



	if (inout)

		IP_VS_DBG_PKT(11, pp, skb, (void *)ciph - (void *)iph,