[ONOS-6224] L3VPN service delete

Change-Id: I2eabb231def39dba6613dc5b95f2b16594133ad4
diff --git a/core/api/src/main/java/org/onosproject/net/behaviour/L3VpnConfig.java b/core/api/src/main/java/org/onosproject/net/behaviour/L3VpnConfig.java
new file mode 100644
index 0000000..b710006
--- /dev/null
+++ b/core/api/src/main/java/org/onosproject/net/behaviour/L3VpnConfig.java
@@ -0,0 +1,81 @@
+/*
+ * Copyright 2017-present 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 org.onosproject.net.driver.HandlerBehaviour;
+
+/**
+ * Behaviour for handling various drivers for l3vpn configurations.
+ */
+public interface L3VpnConfig extends HandlerBehaviour {
+
+    /**
+     * Create virtual routing forwarding instance on requested device with
+     * given standard device model object data.
+     *
+     * @param objectData standard device model object data
+     * @return device model object data
+     */
+    Object createInstance(Object objectData);
+
+    /**
+     * Binds requested virtual routing forwarding instance to interface on the
+     * requested device with given standard device model object data.
+     *
+     * @param objectData standard device model object data
+     * @return device model object data
+     */
+    Object bindInterface(Object objectData);
+
+    /**
+     * Deletes virtual routing forwarding instance on requested device with
+     * given standard device model object data.
+     *
+     * @param objectData standard device model object data
+     * @return device model object data
+     */
+    Object deleteInstance(Object objectData);
+
+    /**
+     * Unbinds requested virtual routing forwarding instance to interface on the
+     * requested device with given standard device model object data.
+     *
+     * @param objectData standard device model object data
+     * @return device model object data
+     */
+    Object unbindInterface(Object objectData);
+
+    /**
+     * Creates BGP routing protocol info on requested device with given
+     * BGP info object.
+     *
+     * @param bgpInfo   BGP info object
+     * @param bgpConfig BGP driver config
+     * @return device model object data
+     */
+    Object createBgpInfo(Object bgpInfo, Object bgpConfig);
+
+    /**
+     * Deletes BGP routing protocol info on requested device with given
+     * BGP info object.
+     *
+     * @param bgpInfo   BGP info object
+     * @param bgpConfig BGP driver config
+     * @return device model object data
+     */
+    Object deleteBgpInfo(Object bgpInfo, Object bgpConfig);
+}