diff --git a/include/net/ipv6.h b/include/net/ipv6.h
index fcbc646..ed67208 100644
--- a/include/net/ipv6.h
+++ b/include/net/ipv6.h
@@ -555,6 +555,11 @@
 	*(__be32 *)hdr = ntohl(0x60000000 | (tclass << 20)) | flowlabel;
 }
 
+static inline __be32 ip6_flowinfo(const struct ipv6hdr *hdr)
+{
+	return *(__be32 *)hdr & IPV6_FLOWINFO_MASK;
+}
+
 /*
  *	Prototypes exported by ipv6
  */