diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index d97f2d0..48b7605 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -2893,6 +2893,8 @@
 
 bool skb_partial_csum_set(struct sk_buff *skb, u16 start, u16 off);
 
+int skb_checksum_setup(struct sk_buff *skb, bool recalculate);
+
 u32 __skb_get_poff(const struct sk_buff *skb);
 
 /**