Updated. Build a OVSDB driver and its associated behaviors for
supporting application to create VxLAN/GRE tunnels
This code is for JIRA ONOS-2181.

Change-Id: If7f341a422620a9e885741d4cc412fad39438d89
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/BridgeConfig.java b/core/api/src/main/java/org/onosproject/net/behaviour/BridgeConfig.java
new file mode 100644
index 0000000..99fe304
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/BridgeConfig.java
@@ -0,0 +1,69 @@
+/*
+ * Copyright 2015 Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.net.behaviour;
+
+import java.util.Collection;
+
+import org.onosproject.net.device.PortDescription;
+import org.onosproject.net.driver.HandlerBehaviour;
+
+/**
+ * Behaviour for handling various drivers for bridge configurations.
+ */
+public interface BridgeConfig extends HandlerBehaviour {
+
+    /**
+     * Add a bridge.
+     *
+     * @param bridgeName bridge name
+     */
+    void addBridge(BridgeName bridgeName);
+
+    /**
+     * Remove a bridge.
+     *
+     * @param bridgeName bridge name
+     */
+    void deleteBridge(BridgeName bridgeName);
+
+    /**
+     * Remove a bridge.
+     *
+     * @return bridge collection
+     */
+    Collection<BridgeDescription> getBridges();
+
+    /**
+     * Add a logical/virtual port.
+     *
+     * @param port port number
+     */
+    void addPort(PortDescription port);
+
+    /**
+     * Delete a logical/virtual port.
+     *
+     * @param port port number
+     */
+    void deletePort(PortDescription port);
+
+    /**
+     * Delete a logical/virtual port.
+     *
+     * return collection of port
+     */
+    Collection<PortDescription> getPorts();
+}