adding a criterion for inner vlans
used by olt to match on the inner vlan

Change-Id: I7671b68d9860d598395cba134a589ca23f264c7e
diff --git a/core/common/src/main/java/org/onosproject/codec/impl/EncodeCriterionCodecHelper.java b/core/common/src/main/java/org/onosproject/codec/impl/EncodeCriterionCodecHelper.java
index 1852ee2..2130293 100644
--- a/core/common/src/main/java/org/onosproject/codec/impl/EncodeCriterionCodecHelper.java
+++ b/core/common/src/main/java/org/onosproject/codec/impl/EncodeCriterionCodecHelper.java
@@ -84,6 +84,8 @@
         formatMap.put(Criterion.Type.ETH_TYPE, new FormatEthType());
         formatMap.put(Criterion.Type.VLAN_VID, new FormatVlanVid());
         formatMap.put(Criterion.Type.VLAN_PCP, new FormatVlanPcp());
+        formatMap.put(Criterion.Type.INNER_VLAN_VID, new FormatInnerVlanVid());
+        formatMap.put(Criterion.Type.INNER_VLAN_PCP, new FormatInnerVlanPcp());
         formatMap.put(Criterion.Type.IP_DSCP, new FormatIpDscp());
         formatMap.put(Criterion.Type.IP_ECN, new FormatIpEcn());
         formatMap.put(Criterion.Type.IP_PROTO, new FormatIpProto());
@@ -194,6 +196,24 @@
         }
     }
 
+    private static class FormatInnerVlanVid implements CriterionTypeFormatter {
+        @Override
+        public ObjectNode encodeCriterion(ObjectNode root, Criterion criterion) {
+            final VlanIdCriterion vlanIdCriterion =
+                    (VlanIdCriterion) criterion;
+            return root.put(CriterionCodec.INNER_VLAN_ID, vlanIdCriterion.vlanId().toShort());
+        }
+    }
+
+    private static class FormatInnerVlanPcp implements CriterionTypeFormatter {
+        @Override
+        public ObjectNode encodeCriterion(ObjectNode root, Criterion criterion) {
+            final VlanPcpCriterion vlanPcpCriterion =
+                    (VlanPcpCriterion) criterion;
+            return root.put(CriterionCodec.INNER_PRIORITY, vlanPcpCriterion.priority());
+        }
+    }
+
     private static class FormatIpDscp implements CriterionTypeFormatter {
         @Override
         public ObjectNode encodeCriterion(ObjectNode root, Criterion criterion) {