# error "RX_HDR_SPLIT is obsolete and is not supported"
#endif
+#if EFSYS_OPT_RX_SCALE
+/* Support receive scaling (RSS) */
+# if !(EFSYS_OPT_SIENA || EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD)
+# error "RX_SCALE requires SIENA or HUNTINGTON or MEDFORD"
+# endif
+#endif /* EFSYS_OPT_RX_SCALE */
+
#if EFSYS_OPT_RX_SCATTER
/* Support receive scatter DMA */
# if !(EFSYS_OPT_SIENA || EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD)