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	}			}

	/*			/*
	* Start sending queued data out the output hook			* Start sending queued data out the output hook
	*/			*/
	static int			static int
	ng_source_start(sc_p sc, uint64_t packets)			ng_source_start(sc_p sc, uint64_t packets)
	{			{
	if (sc->output_ifp == NULL) {			if (sc->output_ifp == NULL && sc->stats.maxPps == 0) {
	printf("ng_source: start without iface configured\n");			printf("ng_source: start without iface or pps configured\n");
	return (ENXIO);			return (ENXIO);
	}			}

	if (sc->node->nd_flags & NG_SOURCE_ACTIVE)			if (sc->node->nd_flags & NG_SOURCE_ACTIVE)
	return (EBUSY);			return (EBUSY);

	sc->node->nd_flags \|= NG_SOURCE_ACTIVE;			sc->node->nd_flags \|= NG_SOURCE_ACTIVE;

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