+#define foreach_lisp_flag_bit \
+ _(USE_PETR, "Use Proxy-ETR") \
+ _(STATS_ENABLED, "Statistics enabled")
+
+typedef enum lisp_flag_bits
+{
+#define _(sym, str) LISP_FLAG_BIT_##sym,
+ foreach_lisp_flag_bit
+#undef _
+} lisp_flag_bits_e;
+
+typedef enum lisp_flags
+{
+#define _(sym, str) LISP_FLAG_##sym = 1 << LISP_FLAG_BIT_##sym,
+ foreach_lisp_flag_bit
+#undef _
+} lisp_flags_e;
+