Interfaces for passing port information from OF switch drivers to DeviceProviders.

Change-Id: I14039f5999c930a211c30138caf81c0513d398e2
Reference: ONOS-1911
diff --git a/openflow/api/src/main/java/org/onosproject/openflow/controller/PortDescPropertyType.java b/openflow/api/src/main/java/org/onosproject/openflow/controller/PortDescPropertyType.java
new file mode 100644
index 0000000..b5d4743
--- /dev/null
+++ b/openflow/api/src/main/java/org/onosproject/openflow/controller/PortDescPropertyType.java
@@ -0,0 +1,24 @@
+package org.onosproject.openflow.controller;
+
+/**
+ * Port description property types (OFPPDPT enums) in OF 1.3 <.
+ */
+public enum PortDescPropertyType {
+    ETHERNET(0),            /* Ethernet port */
+    OPTICAL(1),             /* Optical port */
+    OPTICAL_TRANSPORT(2),   /* OF1.3 Optical transport extension */
+    PIPELINE_INPUT(2),      /* Ingress pipeline */
+    PIPELINE_OUTPUT(3),     /* Egress pipeline */
+    RECIRCULATE(4),         /* Recirculation */
+    EXPERIMENTER(0xffff);   /* Experimenter-implemented */
+
+    private final int value;
+
+    PortDescPropertyType(int v) {
+        value = v;
+    }
+
+    public int valueOf() {
+        return value;
+    }
+}