From: Simon Horman <horms@verge.net.au>
Date: Thu, 26 Aug 2010 20:21:26 +0000 (-0700)
Subject: IPVS: ICMPv6 checksum calculation
X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=8870f8427b8fe30b2684b9e569e5ce038faf41ac;p=GitHub%2Fmoto-9609%2Fandroid_kernel_motorola_exynos9610.git

IPVS: ICMPv6 checksum calculation

Cc: Xiaoyu Du <tingsrain@gmail.com>
Signed-off-by: Julian Anastasov <ja@ssi.bg>
Signed-off-by: Simon Horman <horms@verge.net.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/netfilter/ipvs/ip_vs_core.c b/net/netfilter/ipvs/ip_vs_core.c
index 4f8ddba48011..69661db420d7 100644
--- a/net/netfilter/ipvs/ip_vs_core.c
+++ b/net/netfilter/ipvs/ip_vs_core.c
@@ -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,