Function in_lltable_new

freebsd/netinet/in.c:1292–1314

}

static struct llentry *
in_lltable_new(struct in_addr addr4, u_int flags)
{
	struct in_llentry *lle;

	lle = malloc(sizeof(struct in_llentry), M_LLTABLE, M_NOWAIT | M_ZERO);
	if (lle == NULL)		/* NB: caller generates msg */
		return NULL;

	/*
	 * For IPv4 this will trigger "arpresolve" to generate
	 * an ARP request.
	 */
	lle->base.la_expire = time_uptime; /* mark expired */
	lle->base.r_l3addr.addr4 = addr4;
	lle->base.lle_refcnt = 1;
	lle->base.lle_free = in_lltable_destroy_lle;
	LLE_LOCK_INIT(&lle->base);
	LLE_REQ_INIT(&lle->base);
	callout_init(&lle->base.lle_timer, 1);

	return (&lle->base);
}

#define IN_ARE_MASKED_ADDR_EQUAL(d, a, m)	(		\
	((((d).s_addr ^ (a).s_addr) & (m).s_addr)) == 0 )