Make the Basic pipeline more portable
This change makes the Basic pipeline compile better with different
compilers. One change is this: the type parameter for a v1model meter
instance cannot be a programmer-defined enum. This is because in P4_16,
enums don't necessarily have underlying bitstring types and the
language doesn't specify that enum members should be assigned a
numerical value in any given way.
Change-Id: Id2b758eb2b6e76aa708c2e03e7a001667efddb3d
diff --git a/pipelines/basic/src/main/resources/include/defines.p4 b/pipelines/basic/src/main/resources/include/defines.p4
index d9ec28d..ba5952e 100644
--- a/pipelines/basic/src/main/resources/include/defines.p4
+++ b/pipelines/basic/src/main/resources/include/defines.p4
@@ -27,5 +27,8 @@
const port_t CPU_PORT = 255;
-enum MeterColor_t {GREEN, YELLOW, RED};
+typedef bit<8> MeterColor;
+const MeterColor MeterColor_GREEN = 8w0;
+const MeterColor MeterColor_YELLOW = 8w1;
+const MeterColor MeterColor_RED = 8w2;
#endif