[ONOS-3284] Add nicira extension of setNshSpi instruction to onos

Change-Id: I341b40e347fad832e0abc24f73099e1935730c6f
diff --git a/core/api/src/main/java/org/onosproject/net/flow/instructions/ExtensionTreatmentType.java b/core/api/src/main/java/org/onosproject/net/flow/instructions/ExtensionTreatmentType.java
index 7eaebbe..38fbc27 100644
--- a/core/api/src/main/java/org/onosproject/net/flow/instructions/ExtensionTreatmentType.java
+++ b/core/api/src/main/java/org/onosproject/net/flow/instructions/ExtensionTreatmentType.java
@@ -34,7 +34,8 @@
     public enum ExtensionTreatmentTypes {
         // TODO fix type numbers to include experimenter id
         NICIRA_SET_TUNNEL_DST(0),
-        NICIRA_RESUBMIT(1);
+        NICIRA_RESUBMIT(1),
+        NICIRA_SET_NSH_SPI(32);
 
         private ExtensionTreatmentType type;