Supports dpdk config in OpenstackNode.
Change-Id: I332d7643acb56c5fa7460edb6e4c90a2d862706f
diff --git a/apps/openstacknode/api/src/main/java/org/onosproject/openstacknode/api/DpdkConfig.java b/apps/openstacknode/api/src/main/java/org/onosproject/openstacknode/api/DpdkConfig.java
new file mode 100644
index 0000000..92cc5d1
--- /dev/null
+++ b/apps/openstacknode/api/src/main/java/org/onosproject/openstacknode/api/DpdkConfig.java
@@ -0,0 +1,86 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * 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.openstacknode.api;
+
+import java.util.Collection;
+
+/**
+ * Representation of dpdk config information.
+ */
+public interface DpdkConfig {
+
+ /**
+ * List of valid data path types.
+ */
+ enum DatapathType {
+ NORMAL,
+ NETDEV
+ }
+
+ /**
+ * Returns the data path type.
+ *
+ * @return data path type; normal or netdev
+ */
+ DatapathType datapathType();
+
+ /**
+ * Returns socket directory which dpdk port bound to.
+ *
+ * @return socket directory
+ */
+ String socketDir();
+
+ /**
+ * Returns a collection of dpdk interfaces.
+ *
+ * @return dpdk interfaces
+ */
+ Collection<DpdkInterface> dpdkIntfs();
+
+ interface Builder {
+ /**
+ * Returns new dpdk config.
+ *
+ * @return dpdk config
+ */
+ DpdkConfig build();
+
+ /**
+ * Returns dpdk config builder with supplied datapath type.
+ *
+ * @param datapathType datapath type
+ * @return dpdk config builder
+ */
+ Builder datapathType(DatapathType datapathType);
+
+ /**
+ * Returns dpdk config builder with supplied socket directory.
+ *
+ * @param socketDir socket directory
+ * @return dpdk config builder
+ */
+ Builder socketDir(String socketDir);
+
+ /**
+ * Returns dpdk config builder with supplied dpdk interfaces.
+ *
+ * @param dpdkIntfs a collection of dpdk interfaces
+ * @return dpdk config builder
+ */
+ Builder dpdkIntfs(Collection<DpdkInterface> dpdkIntfs);
+ }
+}