Add mesh interface header file

Add the mesh interface header file.

net/NetworkSocketAPI/MeshInterface.h

@@ -0,0 +1,39 @@
+/* Socket
+ * Copyright (c) 2015 ARM Limited
+ *
+ * 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.
+ */
+
+#ifndef MESH_INTERFACE_H
+#define MESH_INTERFACE_H
+
+#include "NetworkInterface.h"
+
+/** MeshInterface class
+ *  Common interface that is shared between ethernet hardware
+ */
+class MeshInterface : public NetworkInterface
+{
+public:
+    /** Start the interface
+     *  @return     0 on success, negative on failure
+     */
+    virtual int connect() = 0;
+
+    /** Stop the interface
+     *  @return     0 on success, negative on failure
+     */
+    virtual int disconnect() = 0;
+};
+
+#endif