diff --git a/include/net/sctp/structs.h b/include/net/sctp/structs.h
index 714dc43..7f25195 100644
--- a/include/net/sctp/structs.h
+++ b/include/net/sctp/structs.h
@@ -588,6 +588,7 @@
 	int		(*is_ce)	(const struct sk_buff *sk);
 	void		(*seq_dump_addr)(struct seq_file *seq,
 					 union sctp_addr *addr);
+	void		(*ecn_capable)(struct sock *sk);
 	__u16		net_header_len;
 	int		sockaddr_len;
 	sa_family_t	sa_family;