openflow: Fix frag config flag values

[sliver-openvswitch.git] / datapath / dp_dev.c

diff --git a/datapath/dp_dev.c b/datapath/dp_dev.c
index 3902a8c..5b434c1 100644 (file)
--- a/datapath/dp_dev.c
+++ b/datapath/dp_dev.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2009 Nicira Networks.
+ * Copyright (c) 2009, 2010 Nicira Networks.
  * Distributed under the terms of the GNU GPL version 2.
  *
  * Significant portions of this file may be copied from parts of the Linux
@@ -10,6 +10,7 @@
 #include <linux/netdevice.h>
 #include <linux/etherdevice.h>
 #include <linux/ethtool.h>
+#include <linux/preempt.h>
 #include <linux/rcupdate.h>
 #include <linux/skbuff.h>
 #include <linux/workqueue.h>
@@ -28,7 +29,6 @@ struct datapath *dp_dev_get_dp(struct net_device *netdev)
 {
        return dp_dev_priv(netdev)->dp;
 }
-EXPORT_SYMBOL(dp_dev_get_dp);
 
 static struct net_device_stats *dp_dev_get_stats(struct net_device *netdev)
 {
@@ -63,9 +63,13 @@ int dp_dev_recv(struct net_device *netdev, struct sk_buff *skb)
        else
                netif_rx_ni(skb);
        netdev->last_rx = jiffies;
+
+       preempt_disable();
        lb_stats = per_cpu_ptr(dp_dev->lstats, smp_processor_id());
        lb_stats->rx_packets++;
        lb_stats->rx_bytes += len;
+       preempt_enable();
+
        return len;
 }
 
@@ -119,7 +123,7 @@ static void dp_getinfo(struct net_device *netdev, struct ethtool_drvinfo *info)
 {
        struct dp_dev *dp_dev = dp_dev_priv(netdev);
        strcpy(info->driver, "openvswitch");
-       sprintf(info->bus_info, "%d", dp_dev->dp->dp_idx);
+       sprintf(info->bus_info, "%d.%d", dp_dev->dp->dp_idx, dp_dev->port_no);
 }
 
 static struct ethtool_ops dp_ethtool_ops = {
@@ -130,6 +134,15 @@ static struct ethtool_ops dp_ethtool_ops = {
        .get_tso = ethtool_op_get_tso,
 };
 
+static int dp_dev_change_mtu(struct net_device *dev, int new_mtu)
+{
+       if (new_mtu < 68 || new_mtu > dp_min_mtu(dp_dev_get_dp(dev)))
+               return -EINVAL;
+
+       dev->mtu = new_mtu;
+       return 0;
+}
+
 static int dp_dev_init(struct net_device *netdev)
 {
        struct dp_dev *dp_dev = dp_dev_priv(netdev);
@@ -149,21 +162,47 @@ static void dp_dev_free(struct net_device *netdev)
        free_netdev(netdev);
 }
 
+static int dp_dev_do_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+       if (dp_ioctl_hook)
+               return dp_ioctl_hook(dev, ifr, cmd);
+       return -EOPNOTSUPP;
+}
+
+#ifdef HAVE_NET_DEVICE_OPS
+static const struct net_device_ops dp_dev_netdev_ops = {
+       .ndo_init = dp_dev_init,
+       .ndo_open = dp_dev_open,
+       .ndo_stop = dp_dev_stop,
+       .ndo_start_xmit = dp_dev_xmit,
+       .ndo_set_mac_address = dp_dev_mac_addr,
+       .ndo_do_ioctl = dp_dev_do_ioctl,
+       .ndo_change_mtu = dp_dev_change_mtu,
+       .ndo_get_stats = dp_dev_get_stats,
+};
+#endif
+
 static void
 do_setup(struct net_device *netdev)
 {
        ether_setup(netdev);
 
-       netdev->do_ioctl = dp_ioctl_hook;
+#ifdef HAVE_NET_DEVICE_OPS
+       netdev->netdev_ops = &dp_dev_netdev_ops;
+#else
+       netdev->do_ioctl = dp_dev_do_ioctl;
        netdev->get_stats = dp_dev_get_stats;
        netdev->hard_start_xmit = dp_dev_xmit;
        netdev->open = dp_dev_open;
-       SET_ETHTOOL_OPS(netdev, &dp_ethtool_ops);
        netdev->stop = dp_dev_stop;
-       netdev->tx_queue_len = 0;
        netdev->set_mac_address = dp_dev_mac_addr;
+       netdev->change_mtu = dp_dev_change_mtu;
        netdev->init = dp_dev_init;
+#endif
+
        netdev->destructor = dp_dev_free;
+       SET_ETHTOOL_OPS(netdev, &dp_ethtool_ops);
+       netdev->tx_queue_len = 0;
 
        netdev->flags = IFF_BROADCAST | IFF_MULTICAST;
        netdev->features = NETIF_F_LLTX; /* XXX other features? */
@@ -202,16 +241,17 @@ struct net_device *dp_dev_create(struct datapath *dp, const char *dp_name, int p
        if (!netdev)
                return ERR_PTR(-ENOMEM);
 
+       dp_dev = dp_dev_priv(netdev);
+       dp_dev->dp = dp;
+       dp_dev->port_no = port_no;
+       dp_dev->dev = netdev;
+
        err = register_netdevice(netdev);
        if (err) {
                free_netdev(netdev);
                return ERR_PTR(err);
        }
 
-       dp_dev = dp_dev_priv(netdev);
-       dp_dev->dp = dp;
-       dp_dev->port_no = port_no;
-       dp_dev->dev = netdev;
        return netdev;
 }
 
@@ -223,6 +263,9 @@ void dp_dev_destroy(struct net_device *netdev)
 
 int is_dp_dev(struct net_device *netdev) 
 {
+#ifdef HAVE_NET_DEVICE_OPS
+       return netdev->netdev_ops == &dp_dev_netdev_ops;
+#else
        return netdev->open == dp_dev_open;
+#endif
 }
-EXPORT_SYMBOL(is_dp_dev);