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| author |   Steven Whitehouse <swhiteho@redhat.com> | 2006-04-21 12:52:36 -0400 |
|---|---|---|
| committer | Steven Whitehouse <swhiteho@redhat.com> | 2006-04-21 12:52:36 -0400 |
| commit | a748422ee45725e04e1d3792fa19dfa90ddfd116 (patch) | |
| tree | 978e12895468baaa9f7ab2747b9f7d50beaf1717 /drivers/net/mv643xx_eth.c | |
| parent | [GFS2] journal recovery patch (diff) | |
| parent | Merge branch 'upstream-linus' of master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6 (diff) | |
| download | linux-dev-a748422ee45725e04e1d3792fa19dfa90ddfd116.tar.xz linux-dev-a748422ee45725e04e1d3792fa19dfa90ddfd116.zip | |
Merge branch 'master'
Diffstat (limited to 'drivers/net/mv643xx_eth.c')
| -rw-r--r-- | drivers/net/mv643xx_eth.c | 19 |
1 files changed, 15 insertions, 4 deletions
diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 9f2661355a4a..ea62a3e7d586 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); } /** @@ -552,9 +558,9 @@ static irqreturn_t mv643xx_eth_int_handler(int irq, void *dev_id, #else if (eth_int_cause & ETH_INT_CAUSE_RX) mv643xx_eth_receive_queue(dev, INT_MAX); +#endif if (eth_int_cause_ext & ETH_INT_CAUSE_TX) mv643xx_eth_free_completed_tx_descs(dev); -#endif /* * If no real interrupt occured, exit. @@ -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)) { |