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authorPatrick McHardy <kaber@trash.net>2012-08-26 19:14:10 +0200
committerPablo Neira Ayuso <pablo@netfilter.org>2012-08-30 03:00:16 +0200
commit2cf545e835aae92173ef0b1f4af385e9c40f21e8 (patch)
treeb03bf5a155eed859a9852922a4311340a598c725 /include
parent0ad352cb433ed2b05921a32b5ee20410512e2320 (diff)
net: core: add function for incremental IPv6 pseudo header checksum updates
Add inet_proto_csum_replace16 for incrementally updating IPv6 pseudo header checksums for IPv6 NAT. Signed-off-by: Patrick McHardy <kaber@trash.net> Acked-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include')
-rw-r--r--include/net/checksum.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/net/checksum.h b/include/net/checksum.h
index ba55d8b8c87c..600d1d705bb8 100644
--- a/include/net/checksum.h
+++ b/include/net/checksum.h
@@ -109,6 +109,9 @@ static inline void csum_replace2(__sum16 *sum, __be16 from, __be16 to)
struct sk_buff;
extern void inet_proto_csum_replace4(__sum16 *sum, struct sk_buff *skb,
__be32 from, __be32 to, int pseudohdr);
+extern void inet_proto_csum_replace16(__sum16 *sum, struct sk_buff *skb,
+ const __be32 *from, const __be32 *to,
+ int pseudohdr);
static inline void inet_proto_csum_replace2(__sum16 *sum, struct sk_buff *skb,
__be16 from, __be16 to,