X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fnet%2Fmv643xx_eth.c;h=760c61b9886709515efb39e2fefbc4d41ce0a3e7;hb=05668381140309088443bf5dc53add4104610fbb;hp=9f2661355a4acf3973e55b15d0ba24ba9d112959;hpb=1b9a3917366028cc451a98dd22e3bcd537d4e5c1;p=linux-2.6 diff --git a/drivers/net/mv643xx_eth.c b/drivers/net/mv643xx_eth.c index 9f2661355a..760c61b988 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. @@ -772,7 +778,7 @@ static int mv643xx_eth_open(struct net_device *dev) int err; err = request_irq(dev->irq, mv643xx_eth_int_handler, - SA_SHIRQ | SA_SAMPLE_RANDOM, dev->name, dev); + IRQF_SHARED | IRQF_SAMPLE_RANDOM, dev->name, dev); if (err) { printk(KERN_ERR "Can not assign IRQ number to MV643XX_eth%d\n", port_num); @@ -1186,10 +1192,15 @@ 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)) { + if (__skb_linearize(skb)) { stats->tx_dropped++; printk(KERN_DEBUG "%s: failed to linearize tiny " "unaligned fragment\n", dev->name); @@ -1408,6 +1419,8 @@ static int mv643xx_eth_probe(struct platform_device *pdev) mv643xx_eth_update_pscr(dev, &cmd); mv643xx_set_settings(dev, &cmd); + SET_MODULE_OWNER(dev); + SET_NETDEV_DEV(dev, &pdev->dev); err = register_netdev(dev); if (err) goto out;