datapath: add ipv6 'set' action

[cascardo/ovs.git] / lib / csum.h

diff --git a/lib/csum.h b/lib/csum.h
index 12402d7..6382d29 100644 (file)
--- a/lib/csum.h
+++ b/lib/csum.h
@@ -28,5 +28,7 @@ uint32_t csum_continue(uint32_t partial, const void *, size_t);
 ovs_be16 csum_finish(uint32_t partial);
 ovs_be16 recalc_csum16(ovs_be16 old_csum, ovs_be16 old_u16, ovs_be16 new_u16);
 ovs_be16 recalc_csum32(ovs_be16 old_csum, ovs_be32 old_u32, ovs_be32 new_u32);
+ovs_be16 recalc_csum128(ovs_be16 old_csum, ovs_be32 old_u32[4],
+                        const ovs_be32 new_u32[4]);
 
 #endif /* csum.h */