#define tcf_tree_lock(tp) qdisc_lock_tree((tp)->q->dev)
#define tcf_tree_unlock(tp) qdisc_unlock_tree((tp)->q->dev)
+extern struct Qdisc noop_qdisc;
+extern struct Qdisc_ops noop_qdisc_ops;
+
+extern void dev_init_scheduler(struct net_device *dev);
+extern void dev_shutdown(struct net_device *dev);
+extern void dev_activate(struct net_device *dev);
+extern void dev_deactivate(struct net_device *dev);
+extern void qdisc_reset(struct Qdisc *qdisc);
+extern void qdisc_destroy(struct Qdisc *qdisc);
+extern struct Qdisc *qdisc_alloc(struct net_device *dev, struct Qdisc_ops *ops);
+extern struct Qdisc *qdisc_create_dflt(struct net_device *dev,
+ struct Qdisc_ops *ops);
+
static inline void
tcf_destroy(struct tcf_proto *tp)
{