[patch nf-next] IPVS: ICMPv6 checksum calculation

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From: Xiaoyu Du <tingsrain@xxxxxxxxx>

Correct the ICMPv6 checksum calculation when IPv6 is is used

Signed-off-by: Xiaoyu Du <tingsrain@xxxxxxxxx>
Signed-off-by: Simon Horman <horms@xxxxxxxxxxxx>

---
 net/netfilter/ipvs/ip_vs_core.c |    6 +++++-
 1 files changed, 5 insertions(+), 1 deletions(-)

I wonder if this is -stable or .35 material.

diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 4f8ddba..124a1ae 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -638,8 +638,12 @@ 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);
+	icmph->icmp6_cksum = csum_ipv6_magic(&iph->saddr,
+			&iph->daddr,
+			skb->len - icmp_offset, IPPROTO_ICMPV6,
+			skb->csum);
+
 	skb->ip_summed = CHECKSUM_UNNECESSARY;

 	if (inout)
--
--
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