vhost-net: switch to smp barriers

[safe/jmp/linux-2.6] / drivers / net / xen-netfront.c

diff --git a/drivers/net/xen-netfront.c b/drivers/net/xen-netfront.c
index 2ce536f..a869b45 100644 (file)
--- a/drivers/net/xen-netfront.c
+++ b/drivers/net/xen-netfront.c
@@ -42,6 +42,7 @@
 #include <linux/mm.h>
 #include <net/ip.h>
 
+#include <xen/xen.h>
 #include <xen/xenbus.h>
 #include <xen/events.h>
 #include <xen/page.h>
@@ -51,7 +52,7 @@
 #include <xen/interface/memory.h>
 #include <xen/interface/grant_table.h>
 
-static struct ethtool_ops xennet_ethtool_ops;
+static const struct ethtool_ops xennet_ethtool_ops;
 
 struct netfront_cb {
        struct page *page;
@@ -196,7 +197,7 @@ 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(&np->napi);
+       napi_schedule(&np->napi);
 }
 
 static int netfront_tx_slot_available(struct netfront_info *np)
@@ -328,7 +329,7 @@ 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(&np->napi);
+                       napi_schedule(&np->napi);
        }
        spin_unlock_bh(&np->rx_lock);
 
@@ -558,12 +559,12 @@ 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)
@@ -979,7 +980,7 @@ err:
 
                RING_FINAL_CHECK_FOR_RESPONSES(&np->rx, more_to_do);
                if (!more_to_do)
-                       __netif_rx_complete(napi);
+                       __napi_complete(napi);
 
                local_irq_restore(flags);
        }
@@ -1212,7 +1213,7 @@ 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) {
@@ -1233,7 +1234,7 @@ 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;
 }
 
@@ -1275,7 +1276,7 @@ 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);
 
@@ -1317,7 +1318,7 @@ 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(&np->napi);
+                       napi_schedule(&np->napi);
        }
 
        spin_unlock_irqrestore(&np->tx_lock, flags);
@@ -1600,7 +1601,7 @@ 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));
@@ -1627,7 +1628,7 @@ 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,
@@ -1774,7 +1775,7 @@ 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);