datapath: Define net_device_ops->ndo_get_stats64() for internal_dev.

Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Jesse Gross <jesse@nicira.com>
Bug #7772

diff --git a/datapath/vport-internal_dev.c b/datapath/vport-internal_dev.c
index 829bc6f743ba459d33118768558a30d0719e476e..20bfabe081b68da81a27515a9ebb149865dcf645 100644 (file)
--- a/datapath/vport-internal_dev.c
+++ b/datapath/vport-internal_dev.c
@@ -28,7 +28,9 @@
 
 struct internal_dev {
        struct vport *vport;
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
        struct net_device_stats stats;
+#endif
 };
 
 static inline struct internal_dev *internal_dev_priv(struct net_device *netdev)
@@ -37,27 +39,34 @@ static inline struct internal_dev *internal_dev_priv(struct net_device *netdev)
 }
 
 /* This function is only called by the kernel network layer.*/
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36)
+static struct rtnl_link_stats64 *internal_dev_get_stats(struct net_device *netdev,
+                                                       struct rtnl_link_stats64 *stats)
+{
+#else
 static struct net_device_stats *internal_dev_sys_stats(struct net_device *netdev)
 {
-       struct vport *vport = internal_dev_get_vport(netdev);
+#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,22)
        struct net_device_stats *stats = &internal_dev_priv(netdev)->stats;
+#else
+       struct net_device_stats *stats = &netdev->stats;
+#endif
+#endif
+       struct vport *vport = internal_dev_get_vport(netdev);
+       struct ovs_vport_stats vport_stats;
 
-       if (vport) {
-               struct ovs_vport_stats vport_stats;
-
-               vport_get_stats(vport, &vport_stats);
-
-               /* The tx and rx stats need to be swapped because the switch
-                * and host OS have opposite perspectives. */
-               stats->rx_packets       = vport_stats.tx_packets;
-               stats->tx_packets       = vport_stats.rx_packets;
-               stats->rx_bytes         = vport_stats.tx_bytes;
-               stats->tx_bytes         = vport_stats.rx_bytes;
-               stats->rx_errors        = vport_stats.tx_errors;
-               stats->tx_errors        = vport_stats.rx_errors;
-               stats->rx_dropped       = vport_stats.tx_dropped;
-               stats->tx_dropped       = vport_stats.rx_dropped;
-       }
+       vport_get_stats(vport, &vport_stats);
+
+       /* The tx and rx stats need to be swapped because the
+        * switch and host OS have opposite perspectives. */
+       stats->rx_packets       = vport_stats.tx_packets;
+       stats->tx_packets       = vport_stats.rx_packets;
+       stats->rx_bytes         = vport_stats.tx_bytes;
+       stats->tx_bytes         = vport_stats.rx_bytes;
+       stats->rx_errors        = vport_stats.tx_errors;
+       stats->tx_errors        = vport_stats.rx_errors;
+       stats->rx_dropped       = vport_stats.tx_dropped;
+       stats->tx_dropped       = vport_stats.rx_dropped;
 
        return stats;
 }
@@ -153,7 +162,11 @@ static const struct net_device_ops internal_dev_netdev_ops = {
        .ndo_set_mac_address = internal_dev_mac_addr,
        .ndo_do_ioctl = internal_dev_do_ioctl,
        .ndo_change_mtu = internal_dev_change_mtu,
+#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,36)
+       .ndo_get_stats64 = internal_dev_get_stats,
+#else
        .ndo_get_stats = internal_dev_sys_stats,
+#endif
 };
 #endif