Merge branch 'stable-3.2' into pandora-3.2
[pandora-kernel.git] / drivers / net / xen-netback / interface.c
index 1825629..2cb9c92 100644 (file)
@@ -132,6 +132,7 @@ static void xenvif_up(struct xenvif *vif)
 static void xenvif_down(struct xenvif *vif)
 {
        disable_irq(vif->irq);
+       del_timer_sync(&vif->credit_timeout);
        xen_netbk_deschedule_xenvif(vif);
        xen_netbk_remove_xenvif(vif);
 }
@@ -271,8 +272,7 @@ struct xenvif *xenvif_alloc(struct device *parent, domid_t domid,
        vif->credit_bytes = vif->remaining_credit = ~0UL;
        vif->credit_usec  = 0UL;
        init_timer(&vif->credit_timeout);
-       /* Initialize 'expires' now: it's used to track the credit window. */
-       vif->credit_timeout.expires = jiffies;
+       vif->credit_window_start = get_jiffies_64();
 
        dev->netdev_ops = &xenvif_netdev_ops;
        dev->hw_features = NETIF_F_SG | NETIF_F_IP_CSUM | NETIF_F_TSO;
@@ -342,23 +342,26 @@ err:
        return err;
 }
 
-void xenvif_disconnect(struct xenvif *vif)
+void xenvif_carrier_off(struct xenvif *vif)
 {
        struct net_device *dev = vif->dev;
-       if (netif_carrier_ok(dev)) {
-               rtnl_lock();
-               netif_carrier_off(dev); /* discard queued packets */
-               if (netif_running(dev))
-                       xenvif_down(vif);
-               rtnl_unlock();
-               xenvif_put(vif);
-       }
+
+       rtnl_lock();
+       netif_carrier_off(dev); /* discard queued packets */
+       if (netif_running(dev))
+               xenvif_down(vif);
+       rtnl_unlock();
+       xenvif_put(vif);
+}
+
+void xenvif_disconnect(struct xenvif *vif)
+{
+       if (netif_carrier_ok(vif->dev))
+               xenvif_carrier_off(vif);
 
        atomic_dec(&vif->refcnt);
        wait_event(vif->waiting_to_free, atomic_read(&vif->refcnt) == 0);
 
-       del_timer_sync(&vif->credit_timeout);
-
        if (vif->irq)
                unbind_from_irqhandler(vif->irq, vif);