diff options
Diffstat (limited to 'net/core/dev.c')
| -rw-r--r-- | net/core/dev.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/net/core/dev.c b/net/core/dev.c index 381b8e28016..7b17674a29e 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -2148,20 +2148,24 @@ static struct netdev_queue *dev_pick_tx(struct net_device *dev, int queue_index; const struct net_device_ops *ops = dev->netdev_ops; - if (ops->ndo_select_queue) { + if (dev->real_num_tx_queues == 1) + queue_index = 0; + else if (ops->ndo_select_queue) { queue_index = ops->ndo_select_queue(dev, skb); queue_index = dev_cap_txqueue(dev, queue_index); } else { struct sock *sk = skb->sk; queue_index = sk_tx_queue_get(sk); - if (queue_index < 0 || queue_index >= dev->real_num_tx_queues) { - queue_index = 0; - if (dev->real_num_tx_queues > 1) - queue_index = skb_tx_hash(dev, skb); + if (queue_index < 0 || skb->ooo_okay || + queue_index >= dev->real_num_tx_queues) { + int old_index = queue_index; - if (sk) { - struct dst_entry *dst = rcu_dereference_check(sk->sk_dst_cache, 1); + queue_index = skb_tx_hash(dev, skb); + + if (queue_index != old_index && sk) { + struct dst_entry *dst = + rcu_dereference_check(sk->sk_dst_cache, 1); if (dst && skb_dst(skb) == dst) sk_tx_queue_set(sk, queue_index); |