# endif
#endif /* EFSYS_OPT_ALLOW_UNCONFIGURED_NIC */
+#if EFSYS_OPT_RX_PACKED_STREAM
+/* Support packed stream mode */
+# if !(EFSYS_OPT_HUNTINGTON || EFSYS_OPT_MEDFORD)
+# error "PACKED_STREAM requires HUNTINGTON or MEDFORD"
+# endif
+#endif
+
#endif /* _SYS_EFX_CHECK_H */