Basic support for LISP-GPE encapsulated NSH packets

Change-Id: I97fedb0f70dd18ed9bbe985407cc5fe714e8a2e2
Signed-off-by: Florin Coras <fcoras@cisco.com>
diff --git a/src/vnet/lisp-cp/lisp_api.c b/src/vnet/lisp-cp/lisp_api.c
index a877540..78d32e1 100644
--- a/src/vnet/lisp-cp/lisp_api.c
+++ b/src/vnet/lisp-cp/lisp_api.c
@@ -714,6 +714,8 @@
 
     case FID_ADDR_MAC:
       return 2;
+    case FID_ADDR_NSH:
+      return 3;
     }
 
   return ~0;