bridge: netpoll cleanup

[safe/jmp/linux-2.6] / net / bridge / br_device.c

diff --git a/net/bridge/br_device.c b/net/bridge/br_device.c
index f15f9c4..22b97ba 100644 (file)
--- a/net/bridge/br_device.c
+++ b/net/bridge/br_device.c
@@ -199,7 +199,7 @@ static int br_set_tx_csum(struct net_device *dev, u32 data)
 }
 
 #ifdef CONFIG_NET_POLL_CONTROLLER
-bool br_devices_support_netpoll(struct net_bridge *br)
+static bool br_devices_support_netpoll(struct net_bridge *br)
 {
        struct net_bridge_port *p;
        bool ret = true;
@@ -225,9 +225,9 @@ static void br_poll_controller(struct net_device *br_dev)
                netpoll_poll_dev(np->real_dev);
 }
 
-void br_netpoll_cleanup(struct net_device *br_dev)
+void br_netpoll_cleanup(struct net_device *dev)
 {
-       struct net_bridge *br = netdev_priv(br_dev);
+       struct net_bridge *br = netdev_priv(dev);
        struct net_bridge_port *p, *n;
        const struct net_device_ops *ops;
 
@@ -243,10 +243,30 @@ void br_netpoll_cleanup(struct net_device *br_dev)
        }
 }
 
-#else
+void br_netpoll_disable(struct net_bridge *br,
+                       struct net_device *dev)
+{
+       if (br_devices_support_netpoll(br))
+               br->dev->priv_flags &= ~IFF_DISABLE_NETPOLL;
+       if (dev->netdev_ops->ndo_netpoll_cleanup)
+               dev->netdev_ops->ndo_netpoll_cleanup(dev);
+       else
+               dev->npinfo = NULL;
+}
 
-void br_netpoll_cleanup(struct net_device *br_dev)
+void br_netpoll_enable(struct net_bridge *br,
+                      struct net_device *dev)
 {
+       if (br_devices_support_netpoll(br)) {
+               br->dev->priv_flags &= ~IFF_DISABLE_NETPOLL;
+               if (br->dev->npinfo)
+                       dev->npinfo = br->dev->npinfo;
+       } else if (!(br->dev->priv_flags & IFF_DISABLE_NETPOLL)) {
+               br->dev->priv_flags |= IFF_DISABLE_NETPOLL;
+               printk(KERN_INFO "%s:new device %s"
+                       " does not support netpoll (disabling)",
+                       br->dev->name, dev->name);
+       }
 }
 
 #endif