X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=drivers%2Fnet%2Fxen-netfront.c;h=d504e2b6025705ded7ee1ac4524791818d8c5ec5;hb=HEAD;hp=9ffe743f4eb1cac391cdc65d163180a211de4d6e;hpb=617a20bbd099040b68f3578a0a1da5e8780d1831;p=safe%2Fjmp%2Flinux-2.6 diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c index 9ffe743..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) @@ -328,7 +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); @@ -474,7 +476,7 @@ static int xennet_start_xmit(struct sk_buff *skb, struct net_device *dev) unsigned int offset = offset_in_page(data); unsigned int len = skb_headlen(skb); - frags += (offset + len + PAGE_SIZE - 1) / PAGE_SIZE; + frags += DIV_ROUND_UP(offset + len, PAGE_SIZE); if (unlikely(frags > MAX_SKB_FRAGS + 1)) { printk(KERN_ALERT "xennet: skb rides the rocket: %d frags\n", frags); @@ -558,12 +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) @@ -841,7 +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; @@ -980,7 +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); } @@ -1106,6 +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; @@ -1162,12 +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); @@ -1206,7 +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) { @@ -1227,7 +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; } @@ -1269,7 +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); @@ -1311,7 +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); @@ -1505,7 +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); @@ -1594,7 +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)); @@ -1621,7 +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, @@ -1768,7 +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); @@ -1785,7 +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, @@ -1797,25 +1805,25 @@ static struct xenbus_driver netfront = { static int __init netif_init(void) { - if (!is_running_on_xen()) + if (!xen_domain()) return -ENODEV; - if (is_initial_xendomain()) + if (xen_initial_domain()) return 0; printk(KERN_INFO "Initialising Xen virtual ethernet driver.\n"); - return xenbus_register_frontend(&netfront); + return xenbus_register_frontend(&netfront_driver); } module_init(netif_init); static void __exit netif_exit(void) { - if (is_initial_xendomain()) + if (xen_initial_domain()) return; - xenbus_unregister_driver(&netfront); + xenbus_unregister_driver(&netfront_driver); } module_exit(netif_exit);