diff --git a/port.c b/port.c
index fefaddd..170f29f 100644
--- a/port.c
+++ b/port.c
@@ -1311,7 +1311,7 @@ out:
 	return -1;
 }
 
-static int port_tx_announce(struct port *p, struct address *dst)
+int port_tx_announce(struct port *p, struct address *dst)
 {
 	struct timePropertiesDS *tp = clock_time_properties(p->clock);
 	struct parent_ds *dad = clock_parent_ds(p->clock);
@@ -1363,7 +1363,7 @@ static int port_tx_announce(struct port *p, struct address *dst)
 	return err;
 }
 
-static int port_tx_sync(struct port *p, struct address *dst)
+int port_tx_sync(struct port *p, struct address *dst)
 {
 	struct ptp_message *msg, *fup;
 	int err, event;
diff --git a/port_private.h b/port_private.h
index 78d726d..931bff2 100644
--- a/port_private.h
+++ b/port_private.h
@@ -157,6 +157,8 @@ int port_set_delay_tmo(struct port *p);
 int port_set_qualification_tmo(struct port *p);
 void port_show_transition(struct port *p, enum port_state next,
 			  enum fsm_event event);
+int port_tx_announce(struct port *p, struct address *dst);
+int port_tx_sync(struct port *p, struct address *dst);
 int process_announce(struct port *p, struct ptp_message *m);
 void process_delay_resp(struct port *p, struct ptp_message *m);
 void process_follow_up(struct port *p, struct ptp_message *m);