124 static inline void qdisc_refcount_inc(struct Qdisc *qdisc)  in qdisc_refcount_inc()  argument
126 	if (qdisc->flags & TCQ_F_BUILTIN)  in qdisc_refcount_inc()
128 	refcount_inc(&qdisc->refcnt);  in qdisc_refcount_inc()
135 static inline struct Qdisc *qdisc_refcount_inc_nz(struct Qdisc *qdisc)  in qdisc_refcount_inc_nz()  argument
137 	if (qdisc->flags & TCQ_F_BUILTIN)  in qdisc_refcount_inc_nz()
138 		return qdisc;  in qdisc_refcount_inc_nz()
139 	if (refcount_inc_not_zero(&qdisc->refcnt))  in qdisc_refcount_inc_nz()
140 		return qdisc;  in qdisc_refcount_inc_nz()
144 static inline bool qdisc_is_running(struct Qdisc *qdisc)  in qdisc_is_running()  argument
146 	if (qdisc->flags & TCQ_F_NOLOCK)  in qdisc_is_running()
147 		return spin_is_locked(&qdisc->seqlock);  in qdisc_is_running()
148 	return (raw_read_seqcount(&qdisc->running) & 1) ? true : false;  in qdisc_is_running()
156 static inline bool qdisc_is_empty(const struct Qdisc *qdisc)  in qdisc_is_empty()  argument
158 	if (qdisc_is_percpu_stats(qdisc))  in qdisc_is_empty()
159 		return READ_ONCE(qdisc->empty);  in qdisc_is_empty()
160 	return !READ_ONCE(qdisc->q.qlen);  in qdisc_is_empty()
163 static inline bool qdisc_run_begin(struct Qdisc *qdisc)  in qdisc_run_begin()  argument
165 	if (qdisc->flags & TCQ_F_NOLOCK) {  in qdisc_run_begin()
166 		if (spin_trylock(&qdisc->seqlock))  in qdisc_run_begin()
174 		if (test_and_set_bit(__QDISC_STATE_MISSED, &qdisc->state))  in qdisc_run_begin()
181 		if (!spin_trylock(&qdisc->seqlock))  in qdisc_run_begin()
185 		WRITE_ONCE(qdisc->empty, false);  in qdisc_run_begin()
186 	} else if (qdisc_is_running(qdisc)) {  in qdisc_run_begin()
192 	raw_write_seqcount_begin(&qdisc->running);  in qdisc_run_begin()
193 	seqcount_acquire(&qdisc->running.dep_map, 0, 1, _RET_IP_);  in qdisc_run_begin()
197 static inline void qdisc_run_end(struct Qdisc *qdisc)  in qdisc_run_end()  argument
199 	write_seqcount_end(&qdisc->running);  in qdisc_run_end()
200 	if (qdisc->flags & TCQ_F_NOLOCK) {  in qdisc_run_end()
201 		spin_unlock(&qdisc->seqlock);  in qdisc_run_end()
210 				      &qdisc->state))) {  in qdisc_run_end()
211 			clear_bit(__QDISC_STATE_MISSED, &qdisc->state);  in qdisc_run_end()
212 			__netif_schedule(qdisc);  in qdisc_run_end()
217 static inline bool qdisc_may_bulk(const struct Qdisc *qdisc)  in qdisc_may_bulk()  argument
219 	return qdisc->flags & TCQ_F_ONETXQUEUE;  in qdisc_may_bulk()
542 static inline spinlock_t *qdisc_lock(struct Qdisc *qdisc)  in qdisc_lock()  argument
544 	return &qdisc->q.lock;  in qdisc_lock()
547 static inline struct Qdisc *qdisc_root(const struct Qdisc *qdisc)  in qdisc_root()  argument
549 	struct Qdisc *q = rcu_dereference_rtnl(qdisc->dev_queue->qdisc);  in qdisc_root()
554 static inline struct Qdisc *qdisc_root_bh(const struct Qdisc *qdisc)  in qdisc_root_bh()  argument
556 	return rcu_dereference_bh(qdisc->dev_queue->qdisc);  in qdisc_root_bh()
559 static inline struct Qdisc *qdisc_root_sleeping(const struct Qdisc *qdisc)  in qdisc_root_sleeping()  argument
561 	return qdisc->dev_queue->qdisc_sleeping;  in qdisc_root_sleeping()
575 static inline spinlock_t *qdisc_root_lock(const struct Qdisc *qdisc)  in qdisc_root_lock()  argument
577 	struct Qdisc *root = qdisc_root(qdisc);  in qdisc_root_lock()
583 static inline spinlock_t *qdisc_root_sleeping_lock(const struct Qdisc *qdisc)  in qdisc_root_sleeping_lock()  argument
585 	struct Qdisc *root = qdisc_root_sleeping(qdisc);  in qdisc_root_sleeping_lock()
591 static inline seqcount_t *qdisc_root_sleeping_running(const struct Qdisc *qdisc)  in qdisc_root_sleeping_running()  argument
593 	struct Qdisc *root = qdisc_root_sleeping(qdisc);  in qdisc_root_sleeping_running()
599 static inline struct net_device *qdisc_dev(const struct Qdisc *qdisc)  in qdisc_dev()  argument
601 	return qdisc->dev_queue->dev;  in qdisc_dev()
685 			      struct Qdisc *qdisc);
686 void qdisc_reset(struct Qdisc *qdisc);
687 void qdisc_put(struct Qdisc *qdisc);
688 void qdisc_put_unlocked(struct Qdisc *qdisc);
689 void qdisc_tree_reduce_backlog(struct Qdisc *qdisc, int n, int len);
717 void qdisc_free(struct Qdisc *qdisc);
748 	struct Qdisc *qdisc;  in qdisc_reset_all_tx_gt()  local
751 		qdisc = rtnl_dereference(netdev_get_tx_queue(dev, i)->qdisc);  in qdisc_reset_all_tx_gt()
752 		if (qdisc) {  in qdisc_reset_all_tx_gt()
753 			spin_lock_bh(qdisc_lock(qdisc));  in qdisc_reset_all_tx_gt()
754 			qdisc_reset(qdisc);  in qdisc_reset_all_tx_gt()
755 			spin_unlock_bh(qdisc_lock(qdisc));  in qdisc_reset_all_tx_gt()
768 		const struct Qdisc *q = rcu_dereference(txq->qdisc);  in qdisc_all_tx_empty()
786 		if (rcu_access_pointer(txq->qdisc) != txq->qdisc_sleeping)  in qdisc_tx_changing()
799 		if (rcu_access_pointer(txq->qdisc) != &noop_qdisc)  in qdisc_tx_is_noop()
1321 void mini_qdisc_pair_init(struct mini_Qdisc_pair *miniqp, struct Qdisc *qdisc,