-#define setbit(field, flag) field |= (1 << (flag))
-#define delbit(field, flag) field &= ~(1 << (flag))
-#define hasbit(field, flag) (field & (1 << (flag)))
+#define fw3_setbit(field, flag) field |= (1 << (flag))
+#define fw3_delbit(field, flag) field &= ~(1 << (flag))
+#define fw3_hasbit(field, flag) (field & (1 << (flag)))
+
+#define set(field, family, flag) fw3_setbit(field[family == FW3_FAMILY_V6], flag)
+#define del(field, family, flag) fw3_delbit(field[family == FW3_FAMILY_V6], flag)
+#define has(field, family, flag) fw3_hasbit(field[family == FW3_FAMILY_V6], flag)