pkt_sched: Make qdisc_run take a netdev_queue.
This allows us to use this calling convention all the way down into
qdisc_restart().
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index 8e3a0c4..2311d24 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -84,13 +84,15 @@
struct nlattr *tab);
extern void qdisc_put_rtab(struct qdisc_rate_table *tab);
-extern void __qdisc_run(struct net_device *dev);
+extern void __qdisc_run(struct netdev_queue *txq);
-static inline void qdisc_run(struct net_device *dev)
+static inline void qdisc_run(struct netdev_queue *txq)
{
+ struct net_device *dev = txq->dev;
+
if (!netif_queue_stopped(dev) &&
!test_and_set_bit(__LINK_STATE_QDISC_RUNNING, &dev->state))
- __qdisc_run(dev);
+ __qdisc_run(txq);
}
extern int tc_classify_compat(struct sk_buff *skb, struct tcf_proto *tp,
diff --git a/net/core/dev.c b/net/core/dev.c
index 0dc888a..0218b0b 100644
--- a/net/core/dev.c
+++ b/net/core/dev.c
@@ -1734,7 +1734,7 @@
/* reset queue_mapping to zero */
skb_set_queue_mapping(skb, 0);
rc = q->enqueue(skb, q);
- qdisc_run(dev);
+ qdisc_run(txq);
spin_unlock(&txq->lock);
rc = rc == NET_XMIT_BYPASS ? NET_XMIT_SUCCESS : rc;
@@ -1930,7 +1930,7 @@
clear_bit(__LINK_STATE_SCHED, &dev->state);
if (spin_trylock(&txq->lock)) {
- qdisc_run(dev);
+ qdisc_run(txq);
spin_unlock(&txq->lock);
} else {
netif_schedule_queue(txq);
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 407dfdb..fcc7533 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -75,9 +75,8 @@
return 0;
}
-static inline struct sk_buff *dev_dequeue_skb(struct net_device *dev,
- struct netdev_queue *dev_queue,
- struct Qdisc *q)
+static inline struct sk_buff *dequeue_skb(struct netdev_queue *dev_queue,
+ struct Qdisc *q)
{
struct sk_buff *skb;
@@ -90,10 +89,10 @@
}
static inline int handle_dev_cpu_collision(struct sk_buff *skb,
- struct net_device *dev,
struct netdev_queue *dev_queue,
struct Qdisc *q)
{
+ struct net_device *dev = dev_queue->dev;
int ret;
if (unlikely(dev->xmit_lock_owner == smp_processor_id())) {
@@ -139,21 +138,23 @@
* >0 - queue is not empty.
*
*/
-static inline int qdisc_restart(struct net_device *dev)
+static inline int qdisc_restart(struct netdev_queue *txq)
{
- struct netdev_queue *txq = &dev->tx_queue;
struct Qdisc *q = txq->qdisc;
- struct sk_buff *skb;
int ret = NETDEV_TX_BUSY;
+ struct net_device *dev;
+ struct sk_buff *skb;
/* Dequeue packet */
- if (unlikely((skb = dev_dequeue_skb(dev, txq, q)) == NULL))
+ if (unlikely((skb = dequeue_skb(txq, q)) == NULL))
return 0;
/* And release queue */
spin_unlock(&txq->lock);
+ dev = txq->dev;
+
HARD_TX_LOCK(dev, smp_processor_id());
if (!netif_subqueue_stopped(dev, skb))
ret = dev_hard_start_xmit(skb, dev);
@@ -170,7 +171,7 @@
case NETDEV_TX_LOCKED:
/* Driver try lock failed */
- ret = handle_dev_cpu_collision(skb, dev, txq, q);
+ ret = handle_dev_cpu_collision(skb, txq, q);
break;
default:
@@ -186,11 +187,12 @@
return ret;
}
-void __qdisc_run(struct net_device *dev)
+void __qdisc_run(struct netdev_queue *txq)
{
+ struct net_device *dev = txq->dev;
unsigned long start_time = jiffies;
- while (qdisc_restart(dev)) {
+ while (qdisc_restart(txq)) {
if (netif_queue_stopped(dev))
break;
@@ -200,7 +202,7 @@
* 2. we've been doing it for too long.
*/
if (need_resched() || jiffies != start_time) {
- netif_schedule_queue(&dev->tx_queue);
+ netif_schedule_queue(txq);
break;
}
}