diff options
| -rw-r--r-- | drivers/net/mv643xx_eth.c | 17 |
1 files changed, 14 insertions, 3 deletions
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 85ac42c85aa..ea62a3e7d58 100644 --- a/drivers/net/mv643xx_eth.c +++ b/drivers/net/mv643xx_eth.c @@ -281,10 +281,16 @@ static void mv643xx_eth_tx_timeout_task(struct net_device *dev) { struct mv643xx_private *mp = netdev_priv(dev); - netif_device_detach(dev); + if (!netif_running(dev)) + return; + + netif_stop_queue(dev); + eth_port_reset(mp->port_num); eth_port_start(dev); - netif_device_attach(dev); + + if (mp->tx_ring_size - mp->tx_desc_count >= MAX_DESCS_PER_SKB) + netif_wake_queue(dev); } /** @@ -1186,7 +1192,12 @@ static int mv643xx_eth_start_xmit(struct sk_buff *skb, struct net_device *dev) BUG_ON(netif_queue_stopped(dev)); BUG_ON(skb == NULL); - BUG_ON(mp->tx_ring_size - mp->tx_desc_count < MAX_DESCS_PER_SKB); + + if (mp->tx_ring_size - mp->tx_desc_count < MAX_DESCS_PER_SKB) { + printk(KERN_ERR "%s: transmit with queue full\n", dev->name); + netif_stop_queue(dev); + return 1; + } if (has_tiny_unaligned_frags(skb)) { if ((skb_linearize(skb, GFP_ATOMIC) != 0)) { |