u32 parent;
atomic_t refcnt;
struct sk_buff_head q;
- struct net_device *dev;
+ struct netdev_queue *dev_queue;
struct list_head list;
struct gnet_stats_basic bstats;
struct gnet_stats_queue qstats;
struct gnet_stats_rate_est rate_est;
- spinlock_t *stats_lock;
struct rcu_head q_rcu;
int (*reshape_fail)(struct sk_buff *skb,
struct Qdisc *q);
struct tcf_proto_ops *ops;
};
+static inline struct net_device *qdisc_dev(struct Qdisc *qdisc)
+{
+ return qdisc->dev_queue->dev;
+}
extern void qdisc_lock_tree(struct net_device *dev);
extern void qdisc_unlock_tree(struct net_device *dev);
-#define sch_tree_lock(q) qdisc_lock_tree((q)->dev)
-#define sch_tree_unlock(q) qdisc_unlock_tree((q)->dev)
-#define tcf_tree_lock(tp) qdisc_lock_tree((tp)->q->dev)
-#define tcf_tree_unlock(tp) qdisc_unlock_tree((tp)->q->dev)
+#define sch_tree_lock(q) qdisc_lock_tree(qdisc_dev(q))
+#define sch_tree_unlock(q) qdisc_unlock_tree(qdisc_dev(q))
+#define tcf_tree_lock(tp) qdisc_lock_tree(qdisc_dev((tp)->q))
+#define tcf_tree_unlock(tp) qdisc_unlock_tree(qdisc_dev((tp)->q))
extern struct Qdisc noop_qdisc;
extern struct Qdisc_ops noop_qdisc_ops;
+struct Qdisc_class_common
+{
+ u32 classid;
+ struct hlist_node hnode;
+};
+
+struct Qdisc_class_hash
+{
+ struct hlist_head *hash;
+ unsigned int hashsize;
+ unsigned int hashmask;
+ unsigned int hashelems;
+};
+
+static inline unsigned int qdisc_class_hash(u32 id, u32 mask)
+{
+ id ^= id >> 8;
+ id ^= id >> 4;
+ return id & mask;
+}
+
+static inline struct Qdisc_class_common *
+qdisc_class_find(struct Qdisc_class_hash *hash, u32 id)
+{
+ struct Qdisc_class_common *cl;
+ struct hlist_node *n;
+ unsigned int h;
+
+ h = qdisc_class_hash(id, hash->hashmask);
+ hlist_for_each_entry(cl, n, &hash->hash[h], hnode) {
+ if (cl->classid == id)
+ return cl;
+ }
+ return NULL;
+}
+
+extern int qdisc_class_hash_init(struct Qdisc_class_hash *);
+extern void qdisc_class_hash_insert(struct Qdisc_class_hash *, struct Qdisc_class_common *);
+extern void qdisc_class_hash_remove(struct Qdisc_class_hash *, struct Qdisc_class_common *);
+extern void qdisc_class_hash_grow(struct Qdisc *, struct Qdisc_class_hash *);
+extern void qdisc_class_hash_destroy(struct Qdisc_class_hash *);
+
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 qdisc_reset(struct Qdisc *qdisc);
extern void qdisc_destroy(struct Qdisc *qdisc);
extern void qdisc_tree_decrease_qlen(struct Qdisc *qdisc, unsigned int n);
-extern struct Qdisc *qdisc_alloc(struct net_device *dev, struct Qdisc_ops *ops);
+extern struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue,
+ struct Qdisc_ops *ops);
extern struct Qdisc *qdisc_create_dflt(struct net_device *dev,
+ struct netdev_queue *dev_queue,
struct Qdisc_ops *ops, u32 parentid);
extern void tcf_destroy(struct tcf_proto *tp);
-extern void tcf_destroy_chain(struct tcf_proto *fl);
+extern void tcf_destroy_chain(struct tcf_proto **fl);
+
+/* Reset all TX qdiscs of a device. */
+static inline void qdisc_reset_all_tx(struct net_device *dev)
+{
+ unsigned int i;
+ for (i = 0; i < dev->num_tx_queues; i++)
+ qdisc_reset(netdev_get_tx_queue(dev, i)->qdisc);
+}
+
+/* Are all TX queues of the device empty? */
+static inline bool qdisc_all_tx_empty(const struct net_device *dev)
+{
+ unsigned int i;
+ for (i = 0; i < dev->num_tx_queues; i++) {
+ struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
+ const struct Qdisc *q = txq->qdisc;
+
+ if (q->q.qlen)
+ return false;
+ }
+ return true;
+}
+
+/* Are any of the TX qdiscs changing? */
+static inline bool qdisc_tx_changing(struct net_device *dev)
+{
+ unsigned int i;
+ for (i = 0; i < dev->num_tx_queues; i++) {
+ struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
+ if (txq->qdisc != txq->qdisc_sleeping)
+ return true;
+ }
+ return false;
+}
+
+/* Is the device using the noop qdisc on all queues? */
+static inline bool qdisc_tx_is_noop(const struct net_device *dev)
+{
+ unsigned int i;
+ for (i = 0; i < dev->num_tx_queues; i++) {
+ struct netdev_queue *txq = netdev_get_tx_queue(dev, i);
+ if (txq->qdisc != &noop_qdisc)
+ return false;
+ }
+ return true;
+}
static inline int __qdisc_enqueue_tail(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff_head *list)