Merge pull request #689 from rizard/master

Each hop of path should optionally ignore in-port in flow match

src/main/java/net/floodlightcontroller/routing/ForwardingBase.java

@@ -250,7 +250,9 @@ public abstract class ForwardingBase implements IOFMessageListener {
             // set input and output ports on the switch
             OFPort outPort = switchPortList.get(indx).getPortId();
             OFPort inPort = switchPortList.get(indx - 1).getPortId();
-            mb.setExact(MatchField.IN_PORT, inPort);
+            if (FLOWMOD_DEFAULT_MATCH_IN_PORT) {
+                mb.setExact(MatchField.IN_PORT, inPort);
+            }
             aob.setPort(outPort);
             aob.setMaxLen(Integer.MAX_VALUE);
             actions.add(aob.build());