extern uint16_t verbose_level; /**< Drives messages being displayed, if any. */
extern uint8_t interactive;
extern uint8_t auto_start;
+extern uint8_t tx_first;
extern char cmdline_filename[PATH_MAX]; /**< offline commands file */
extern uint8_t numa_support; /**< set by "--numa" parameter */
extern uint16_t port_topology; /**< set by "--port-topology" parameter */