openvswitch: Move tunnel destroy function to oppenvswitch module.
This function will be used in gre and geneve vport implementations.
Signed-off-by: Pravin B Shelar <pshelar@nicira.com>
Acked-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/net/openvswitch/vport-netdev.c b/net/openvswitch/vport-netdev.c
index cddb706..4b70aaa 100644
--- a/net/openvswitch/vport-netdev.c
+++ b/net/openvswitch/vport-netdev.c
@@ -147,7 +147,7 @@
return ovs_netdev_link(vport, parms->name);
}
-void ovs_vport_free_rcu(struct rcu_head *rcu)
+static void vport_netdev_free(struct rcu_head *rcu)
{
struct vport *vport = container_of(rcu, struct vport, rcu);
@@ -155,7 +155,6 @@
dev_put(vport->dev);
ovs_vport_free(vport);
}
-EXPORT_SYMBOL_GPL(ovs_vport_free_rcu);
void ovs_netdev_detach_dev(struct vport *vport)
{
@@ -175,9 +174,25 @@
ovs_netdev_detach_dev(vport);
rtnl_unlock();
- call_rcu(&vport->rcu, ovs_vport_free_rcu);
+ call_rcu(&vport->rcu, vport_netdev_free);
}
+void ovs_netdev_tunnel_destroy(struct vport *vport)
+{
+ rtnl_lock();
+ if (vport->dev->priv_flags & IFF_OVS_DATAPATH)
+ ovs_netdev_detach_dev(vport);
+
+ /* Early release so we can unregister the device */
+ dev_put(vport->dev);
+ rtnl_delete_link(vport->dev);
+ vport->dev = NULL;
+ rtnl_unlock();
+
+ call_rcu(&vport->rcu, vport_netdev_free);
+}
+EXPORT_SYMBOL_GPL(ovs_netdev_tunnel_destroy);
+
static unsigned int packet_length(const struct sk_buff *skb)
{
unsigned int length = skb->len - ETH_HLEN;