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Subject[patch nf-next] IPVS: ICMPv6 checksum calculation
From: Xiaoyu Du <tingsrain@gmail.com>

Correct the ICMPv6 checksum calculation when IPv6 is is used

Signed-off-by: Xiaoyu Du <tingsrain@gmail.com>
Signed-off-by: Simon Horman <horms@verge.net.au>

---
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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