diff --git a/include/net/switchdev.h b/include/net/switchdev.h
index 89266a3e473d..61f129bd74b2 100644
--- a/include/net/switchdev.h
+++ b/include/net/switchdev.h
@@ -43,6 +43,7 @@ enum switchdev_attr_id {
 	SWITCHDEV_ATTR_ID_PORT_PARENT_ID,
 	SWITCHDEV_ATTR_ID_PORT_STP_STATE,
 	SWITCHDEV_ATTR_ID_PORT_BRIDGE_FLAGS,
+	SWITCHDEV_ATTR_ID_BRIDGE_AGEING_TIME,
 };
 
 struct switchdev_attr {
@@ -52,6 +53,7 @@ struct switchdev_attr {
 		struct netdev_phys_item_id ppid;	/* PORT_PARENT_ID */
 		u8 stp_state;				/* PORT_STP_STATE */
 		unsigned long brport_flags;		/* PORT_BRIDGE_FLAGS */
+		u32 ageing_time;			/* BRIDGE_AGEING_TIME */
 	} u;
 };