diff options
Diffstat (limited to 'net')
| -rw-r--r-- | net/sched/sch_generic.c | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c index 5e7e0bd38fe8..3db4cf1bd263 100644 --- a/net/sched/sch_generic.c +++ b/net/sched/sch_generic.c | |||
| @@ -44,7 +44,10 @@ static inline int qdisc_qlen(struct Qdisc *q) | |||
| 44 | 44 | ||
| 45 | static inline int dev_requeue_skb(struct sk_buff *skb, struct Qdisc *q) | 45 | static inline int dev_requeue_skb(struct sk_buff *skb, struct Qdisc *q) |
| 46 | { | 46 | { |
| 47 | __skb_queue_head(&q->requeue, skb); | 47 | if (unlikely(skb->next)) |
| 48 | q->gso_skb = skb; | ||
| 49 | else | ||
| 50 | __skb_queue_head(&q->requeue, skb); | ||
| 48 | 51 | ||
| 49 | __netif_schedule(q); | 52 | __netif_schedule(q); |
| 50 | return 0; | 53 | return 0; |
| @@ -52,7 +55,10 @@ static inline int dev_requeue_skb(struct sk_buff *skb, struct Qdisc *q) | |||
| 52 | 55 | ||
| 53 | static inline struct sk_buff *dequeue_skb(struct Qdisc *q) | 56 | static inline struct sk_buff *dequeue_skb(struct Qdisc *q) |
| 54 | { | 57 | { |
| 55 | struct sk_buff *skb = skb_peek(&q->requeue); | 58 | struct sk_buff *skb = q->gso_skb; |
| 59 | |||
| 60 | if (!skb) | ||
| 61 | skb = skb_peek(&q->requeue); | ||
| 56 | 62 | ||
| 57 | if (unlikely(skb)) { | 63 | if (unlikely(skb)) { |
| 58 | struct net_device *dev = qdisc_dev(q); | 64 | struct net_device *dev = qdisc_dev(q); |
| @@ -60,10 +66,15 @@ static inline struct sk_buff *dequeue_skb(struct Qdisc *q) | |||
| 60 | 66 | ||
| 61 | /* check the reason of requeuing without tx lock first */ | 67 | /* check the reason of requeuing without tx lock first */ |
| 62 | txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb)); | 68 | txq = netdev_get_tx_queue(dev, skb_get_queue_mapping(skb)); |
| 63 | if (!netif_tx_queue_stopped(txq) && !netif_tx_queue_frozen(txq)) | 69 | if (!netif_tx_queue_stopped(txq) && |
| 64 | __skb_unlink(skb, &q->requeue); | 70 | !netif_tx_queue_frozen(txq)) { |
| 65 | else | 71 | if (q->gso_skb) |
| 72 | q->gso_skb = NULL; | ||
| 73 | else | ||
| 74 | __skb_unlink(skb, &q->requeue); | ||
| 75 | } else { | ||
| 66 | skb = NULL; | 76 | skb = NULL; |
| 77 | } | ||
| 67 | } else { | 78 | } else { |
| 68 | skb = q->dequeue(q); | 79 | skb = q->dequeue(q); |
| 69 | } | 80 | } |
| @@ -548,6 +559,7 @@ void qdisc_destroy(struct Qdisc *qdisc) | |||
| 548 | module_put(ops->owner); | 559 | module_put(ops->owner); |
| 549 | dev_put(qdisc_dev(qdisc)); | 560 | dev_put(qdisc_dev(qdisc)); |
| 550 | 561 | ||
| 562 | kfree_skb(qdisc->gso_skb); | ||
| 551 | __skb_queue_purge(&qdisc->requeue); | 563 | __skb_queue_purge(&qdisc->requeue); |
| 552 | 564 | ||
| 553 | kfree((char *) qdisc - qdisc->padded); | 565 | kfree((char *) qdisc - qdisc->padded); |
