Function netisr_queue_src

freebsd/net/netisr.c:1054–1093

}

int
netisr_queue_src(u_int proto, uintptr_t source, struct mbuf *m)
{
#ifdef NETISR_LOCKING
	struct rm_priotracker tracker;
#endif
	u_int cpuid;
	int error;

	KASSERT(proto < NETISR_MAXPROT,
	    ("%s: invalid proto %u", __func__, proto));

#ifdef NETISR_LOCKING
	NETISR_RLOCK(&tracker);
#endif
	KASSERT(netisr_proto[proto].np_handler != NULL,
	    ("%s: invalid proto %u", __func__, proto));

#ifdef VIMAGE
	if (V_netisr_enable[proto] == 0) {
		m_freem(m);
		return (ENOPROTOOPT);
	}
#endif

	m = netisr_select_cpuid(&netisr_proto[proto], NETISR_DISPATCH_DEFERRED,
	    source, m, &cpuid);
	if (m != NULL) {
		KASSERT(!CPU_ABSENT(cpuid), ("%s: CPU %u absent", __func__,
		    cpuid));
		VNET_ASSERT(m->m_pkthdr.rcvif != NULL,
		    ("%s:%d rcvif == NULL: m=%p", __func__, __LINE__, m));
		error = netisr_queue_internal(proto, m, cpuid);
	} else
		error = ENOBUFS;
#ifdef NETISR_LOCKING
	NETISR_RUNLOCK(&tracker);
#endif
	return (error);
}

int
netisr_queue(u_int proto, struct mbuf *m)