diff --git a/net/bridge/br_private.h b/net/bridge/br_private.h
index 4bbe0d1..e2a4034 100644
--- a/net/bridge/br_private.h
+++ b/net/bridge/br_private.h
@@ -495,6 +495,11 @@
 extern void br_init_port(struct net_bridge_port *p);
 extern void br_become_designated_port(struct net_bridge_port *p);
 
+extern int br_set_forward_delay(struct net_bridge *br, unsigned long x);
+extern int br_set_hello_time(struct net_bridge *br, unsigned long x);
+extern int br_set_max_age(struct net_bridge *br, unsigned long x);
+
+
 /* br_stp_if.c */
 extern void br_stp_enable_bridge(struct net_bridge *br);
 extern void br_stp_disable_bridge(struct net_bridge *br);
@@ -505,10 +510,10 @@
 extern void br_stp_change_bridge_id(struct net_bridge *br, const unsigned char *a);
 extern void br_stp_set_bridge_priority(struct net_bridge *br,
 				       u16 newprio);
-extern void br_stp_set_port_priority(struct net_bridge_port *p,
-				     u8 newprio);
-extern void br_stp_set_path_cost(struct net_bridge_port *p,
-				 u32 path_cost);
+extern int br_stp_set_port_priority(struct net_bridge_port *p,
+				    unsigned long newprio);
+extern int br_stp_set_path_cost(struct net_bridge_port *p,
+				unsigned long path_cost);
 extern ssize_t br_show_bridge_id(char *buf, const struct bridge_id *id);
 
 /* br_stp_bpdu.c */