openvswitch: Add gre tunnel support.

[~andy/linux] / net / openvswitch / vport.c

diff --git a/net/openvswitch/vport.c b/net/openvswitch/vport.c
index 413287a1877f6e70898bfbdf358b3798c0ad38e6..f52dfb9cb5a750d8e98ad5df5f76c6818b884676 100644 (file)
--- a/net/openvswitch/vport.c
+++ b/net/openvswitch/vport.c
@@ -38,6 +38,10 @@
 static const struct vport_ops *vport_ops_list[] = {
        &ovs_netdev_vport_ops,
        &ovs_internal_vport_ops,
+
+#ifdef CONFIG_NET_IPGRE_DEMUX
+       &ovs_gre_vport_ops,
+#endif
 };
 
 /* Protected by RCU read lock for reading, ovs_mutex for writing. */
@@ -404,3 +408,18 @@ void ovs_vport_record_error(struct vport *vport, enum vport_err_type err_type)
 
        spin_unlock(&vport->stats_lock);
 }
+
+static void free_vport_rcu(struct rcu_head *rcu)
+{
+       struct vport *vport = container_of(rcu, struct vport, rcu);
+
+       ovs_vport_free(vport);
+}
+
+void ovs_vport_deferred_free(struct vport *vport)
+{
+       if (!vport)
+               return;
+
+       call_rcu(&vport->rcu, free_vport_rcu);
+}