diff --git a/include/net/sctp/ulpqueue.h b/include/net/sctp/ulpqueue.h
index 39ea3f4..cd33270 100644
--- a/include/net/sctp/ulpqueue.h
+++ b/include/net/sctp/ulpqueue.h
@@ -83,6 +83,7 @@
 /* Skip over an SSN. */
 void sctp_ulpq_skip(struct sctp_ulpq *ulpq, __u16 sid, __u16 ssn);
 
+void sctp_ulpq_reasm_flushtsn(struct sctp_ulpq *, __u32);
 #endif /* __sctp_ulpqueue_h__ */