X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fnet%2Fxen-netfront.c;h=d504e2b6025705ded7ee1ac4524791818d8c5ec5;hb=2a2ec45ddeedaddb9ff8cb98eab7d4f85f44df4a;hp=5c7a87e38951ede5ba1508b0aa0f583c8412e52d;hpb=435263702ef0fc9ffdc6301a71c03b1d9ac0f1e0;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 5c7a87e..d504e2b 100644 --- a/drivers/net/xen-netfront.c +++ b/drivers/net/xen-netfront.c @@ -40,8 +40,10 @@ #include #include #include +#include #include +#include #include #include #include @@ -51,7 +53,7 @@ #include #include -static struct ethtool_ops xennet_ethtool_ops; +static const struct ethtool_ops xennet_ethtool_ops; struct netfront_cb { struct page *page; @@ -196,7 +198,7 @@ static void rx_refill_timeout(unsigned long data) { struct net_device *dev = (struct net_device *)data; struct netfront_info *np = netdev_priv(dev); - netif_rx_schedule(dev, &np->napi); + napi_schedule(&np->napi); } static int netfront_tx_slot_available(struct netfront_info *np) @@ -239,11 +241,14 @@ static void xennet_alloc_rx_buffers(struct net_device *dev) */ batch_target = np->rx_target - (req_prod - np->rx.rsp_cons); for (i = skb_queue_len(&np->rx_batch); i < batch_target; i++) { - skb = __netdev_alloc_skb(dev, RX_COPY_THRESHOLD, + skb = __netdev_alloc_skb(dev, RX_COPY_THRESHOLD + NET_IP_ALIGN, GFP_ATOMIC | __GFP_NOWARN); if (unlikely(!skb)) goto no_skb; + /* Align ip header to a 16 bytes boundary */ + skb_reserve(skb, NET_IP_ALIGN); + page = alloc_page(GFP_ATOMIC | __GFP_NOWARN); if (!page) { kfree_skb(skb); @@ -325,7 +330,7 @@ static int xennet_open(struct net_device *dev) xennet_alloc_rx_buffers(dev); np->rx.sring->rsp_event = np->rx.rsp_cons + 1; if (RING_HAS_UNCONSUMED_RESPONSES(&np->rx)) - netif_rx_schedule(dev, &np->napi); + napi_schedule(&np->napi); } spin_unlock_bh(&np->rx_lock); @@ -555,12 +560,12 @@ static int xennet_start_xmit(struct sk_buff *skb, struct net_device *dev) spin_unlock_irq(&np->tx_lock); - return 0; + return NETDEV_TX_OK; drop: dev->stats.tx_dropped++; dev_kfree_skb(skb); - return 0; + return NETDEV_TX_OK; } static int xennet_close(struct net_device *dev) @@ -838,7 +843,6 @@ static int handle_incoming_queue(struct net_device *dev, /* Pass it up. */ netif_receive_skb(skb); - dev->last_rx = jiffies; } return packets_dropped; @@ -977,7 +981,7 @@ err: RING_FINAL_CHECK_FOR_RESPONSES(&np->rx, more_to_do); if (!more_to_do) - __netif_rx_complete(dev, napi); + __napi_complete(napi); local_irq_restore(flags); } @@ -1103,6 +1107,16 @@ static void xennet_uninit(struct net_device *dev) gnttab_free_grant_references(np->gref_rx_head); } +static const struct net_device_ops xennet_netdev_ops = { + .ndo_open = xennet_open, + .ndo_uninit = xennet_uninit, + .ndo_stop = xennet_close, + .ndo_start_xmit = xennet_start_xmit, + .ndo_change_mtu = xennet_change_mtu, + .ndo_set_mac_address = eth_mac_addr, + .ndo_validate_addr = eth_validate_addr, +}; + static struct net_device * __devinit xennet_create_dev(struct xenbus_device *dev) { int i, err; @@ -1159,12 +1173,9 @@ static struct net_device * __devinit xennet_create_dev(struct xenbus_device *dev goto exit_free_tx; } - netdev->open = xennet_open; - netdev->hard_start_xmit = xennet_start_xmit; - netdev->stop = xennet_close; + netdev->netdev_ops = &xennet_netdev_ops; + netif_napi_add(netdev, &np->napi, xennet_poll, 64); - netdev->uninit = xennet_uninit; - netdev->change_mtu = xennet_change_mtu; netdev->features = NETIF_F_IP_CSUM; SET_ETHTOOL_OPS(netdev, &xennet_ethtool_ops); @@ -1203,7 +1214,7 @@ static int __devinit netfront_probe(struct xenbus_device *dev, } info = netdev_priv(netdev); - dev->dev.driver_data = info; + dev_set_drvdata(&dev->dev, info); err = register_netdev(info->netdev); if (err) { @@ -1224,7 +1235,7 @@ static int __devinit netfront_probe(struct xenbus_device *dev, fail: free_netdev(netdev); - dev->dev.driver_data = NULL; + dev_set_drvdata(&dev->dev, NULL); return err; } @@ -1266,7 +1277,7 @@ static void xennet_disconnect_backend(struct netfront_info *info) */ static int netfront_resume(struct xenbus_device *dev) { - struct netfront_info *info = dev->dev.driver_data; + struct netfront_info *info = dev_get_drvdata(&dev->dev); dev_dbg(&dev->dev, "%s\n", dev->nodename); @@ -1308,7 +1319,7 @@ static irqreturn_t xennet_interrupt(int irq, void *dev_id) xennet_tx_buf_gc(dev); /* Under tx_lock: protects access to rx shared-ring indexes. */ if (RING_HAS_UNCONSUMED_RESPONSES(&np->rx)) - netif_rx_schedule(dev, &np->napi); + napi_schedule(&np->napi); } spin_unlock_irqrestore(&np->tx_lock, flags); @@ -1502,7 +1513,7 @@ static int xennet_set_tso(struct net_device *dev, u32 data) static void xennet_set_features(struct net_device *dev) { /* Turn off all GSO bits except ROBUST. */ - dev->features &= (1 << NETIF_F_GSO_SHIFT) - 1; + dev->features &= ~NETIF_F_GSO_MASK; dev->features |= NETIF_F_GSO_ROBUST; xennet_set_sg(dev, 0); @@ -1591,7 +1602,7 @@ static int xennet_connect(struct net_device *dev) static void backend_changed(struct xenbus_device *dev, enum xenbus_state backend_state) { - struct netfront_info *np = dev->dev.driver_data; + struct netfront_info *np = dev_get_drvdata(&dev->dev); struct net_device *netdev = np->netdev; dev_dbg(&dev->dev, "%s\n", xenbus_strstate(backend_state)); @@ -1618,7 +1629,7 @@ static void backend_changed(struct xenbus_device *dev, } } -static struct ethtool_ops xennet_ethtool_ops = +static const struct ethtool_ops xennet_ethtool_ops = { .set_tx_csum = ethtool_op_set_tx_csum, .set_sg = xennet_set_sg, @@ -1765,7 +1776,7 @@ static struct xenbus_device_id netfront_ids[] = { static int __devexit xennet_remove(struct xenbus_device *dev) { - struct netfront_info *info = dev->dev.driver_data; + struct netfront_info *info = dev_get_drvdata(&dev->dev); dev_dbg(&dev->dev, "%s\n", dev->nodename); @@ -1782,7 +1793,7 @@ static int __devexit xennet_remove(struct xenbus_device *dev) return 0; } -static struct xenbus_driver netfront = { +static struct xenbus_driver netfront_driver = { .name = "vif", .owner = THIS_MODULE, .ids = netfront_ids, @@ -1802,7 +1813,7 @@ static int __init netif_init(void) printk(KERN_INFO "Initialising Xen virtual ethernet driver.\n"); - return xenbus_register_frontend(&netfront); + return xenbus_register_frontend(&netfront_driver); } module_init(netif_init); @@ -1812,7 +1823,7 @@ static void __exit netif_exit(void) if (xen_initial_domain()) return; - xenbus_unregister_driver(&netfront); + xenbus_unregister_driver(&netfront_driver); } module_exit(netif_exit);