diff --git a/tools/test/p4src/include/defines.p4 b/tools/test/p4src/include/defines.p4
new file mode 100644
index 0000000..c9229c9
--- /dev/null
+++ b/tools/test/p4src/include/defines.p4
@@ -0,0 +1,4 @@
+// Logic ports as defined in the simple_switch target
+#define MAX_PORTS 254
+#define CPU_PORT 255
+#define DROP_PORT 511