#ifndef CHECKSUM_PARTIAL
-/* Note that CHECKSUM_PARTIAL is not implemented, but this allows us to at
- * least test against it: see update_csum() in forward.c. */
-#define CHECKSUM_PARTIAL 3
+#define CHECKSUM_PARTIAL CHECKSUM_HW
#endif
#ifndef CHECKSUM_COMPLETE
#define CHECKSUM_COMPLETE CHECKSUM_HW