diff options
| -rw-r--r-- | include/linux/netdevice.h | 4 | ||||
| -rw-r--r-- | net/sched/sch_generic.c | 42 |
2 files changed, 24 insertions, 22 deletions
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 1379c822e51d..aae6c6d153f2 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -452,6 +452,7 @@ struct netdev_queue { spinlock_t lock; struct net_device *dev; struct Qdisc *qdisc; + struct sk_buff *gso_skb; struct Qdisc *qdisc_sleeping; struct list_head qdisc_list; struct netdev_queue *next_sched; @@ -635,9 +636,6 @@ struct net_device struct netdev_queue tx_queue ____cacheline_aligned_in_smp; unsigned long tx_queue_len; /* Max frames per queue allowed */ - /* Partially transmitted GSO packet. */ - struct sk_buff *gso_skb; - /* * One part is mostly used on xmit path (device) */ diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index dda78ee314ec..8247a406a401 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c @@ -63,10 +63,11 @@ static inline int qdisc_qlen(struct Qdisc *q) } static inline int dev_requeue_skb(struct sk_buff *skb, struct net_device *dev, + struct netdev_queue *dev_queue, struct Qdisc *q) { if (unlikely(skb->next)) - dev->gso_skb = skb; + dev_queue->gso_skb = skb; else q->ops->requeue(skb, q); @@ -75,12 +76,13 @@ static inline int dev_requeue_skb(struct sk_buff *skb, struct net_device *dev, } static inline struct sk_buff *dev_dequeue_skb(struct net_device *dev, + struct netdev_queue *dev_queue, struct Qdisc *q) { struct sk_buff *skb; - if ((skb = dev->gso_skb)) - dev->gso_skb = NULL; + if ((skb = dev_queue->gso_skb)) + dev_queue->gso_skb = NULL; else skb = q->dequeue(q); @@ -89,6 +91,7 @@ static inline struct sk_buff *dev_dequeue_skb(struct net_device *dev, static inline int handle_dev_cpu_collision(struct sk_buff *skb, struct net_device *dev, + struct netdev_queue *dev_queue, struct Qdisc *q) { int ret; @@ -111,7 +114,7 @@ static inline int handle_dev_cpu_collision(struct sk_buff *skb, * some time. */ __get_cpu_var(netdev_rx_stat).cpu_collision++; - ret = dev_requeue_skb(skb, dev, q); + ret = dev_requeue_skb(skb, dev, dev_queue, q); } return ret; @@ -144,7 +147,7 @@ static inline int qdisc_restart(struct net_device *dev) int ret = NETDEV_TX_BUSY; /* Dequeue packet */ - if (unlikely((skb = dev_dequeue_skb(dev, q)) == NULL)) + if (unlikely((skb = dev_dequeue_skb(dev, txq, q)) == NULL)) return 0; @@ -167,7 +170,7 @@ static inline int qdisc_restart(struct net_device *dev) case NETDEV_TX_LOCKED: /* Driver try lock failed */ - ret = handle_dev_cpu_collision(skb, dev, q); + ret = handle_dev_cpu_collision(skb, dev, txq, q); break; default: @@ -176,7 +179,7 @@ static inline int qdisc_restart(struct net_device *dev) printk(KERN_WARNING "BUG %s code %d qlen %d\n", dev->name, ret, q->q.qlen); - ret = dev_requeue_skb(skb, dev, q); + ret = dev_requeue_skb(skb, dev, txq, q); break; } @@ -578,31 +581,32 @@ void dev_activate(struct net_device *dev) spin_unlock_bh(&txq->lock); } -static void dev_deactivate_queue(struct net_device *dev, - struct netdev_queue *dev_queue, +static void dev_deactivate_queue(struct netdev_queue *dev_queue, struct Qdisc *qdisc_default) { - struct Qdisc *qdisc = dev_queue->qdisc; + struct Qdisc *qdisc; + struct sk_buff *skb; + + spin_lock_bh(&dev_queue->lock); + qdisc = dev_queue->qdisc; if (qdisc) { dev_queue->qdisc = qdisc_default; qdisc_reset(qdisc); } + skb = dev_queue->gso_skb; + dev_queue->gso_skb = NULL; + + spin_unlock_bh(&dev_queue->lock); + + kfree_skb(skb); } void dev_deactivate(struct net_device *dev) { - struct sk_buff *skb; int running; - spin_lock_bh(&dev->tx_queue.lock); - dev_deactivate_queue(dev, &dev->tx_queue, &noop_qdisc); - - skb = dev->gso_skb; - dev->gso_skb = NULL; - spin_unlock_bh(&dev->tx_queue.lock); - - kfree_skb(skb); + dev_deactivate_queue(&dev->tx_queue, &noop_qdisc); dev_watchdog_down(dev); |