Function rt_table_init

freebsd/net/route.c:97–136

SYSINIT(route_init, SI_SUB_PROTO_DOMAIN, SI_ORDER_THIRD, route_init, NULL);

struct rib_head *
rt_table_init(int offset, int family, u_int fibnum)
{
	struct rib_head *rh;

	rh = malloc(sizeof(struct rib_head), M_RTABLE, M_WAITOK | M_ZERO);

	/* TODO: These details should be hidded inside radix.c */
	/* Init masks tree */
	rn_inithead_internal(&rh->head, rh->rnh_nodes, offset);
	rn_inithead_internal(&rh->rmhead.head, rh->rmhead.mask_nodes, 0);
	rh->head.rnh_masks = &rh->rmhead;

	/* Save metadata associated with this routing table. */
	rh->rib_family = family;
	rh->rib_fibnum = fibnum;
#ifdef VIMAGE
	rh->rib_vnet = curvnet;
#endif

	tmproutes_init(rh);

	/* Init locks */
	RIB_LOCK_INIT(rh);

	nhops_init_rib(rh);

	/* Init subscription system */
	rib_init_subscriptions(rh);

	/* Finally, set base callbacks */
	rh->rnh_addaddr = rn_addroute;
	rh->rnh_deladdr = rn_delete;
	rh->rnh_matchaddr = rn_match;
	rh->rnh_lookup = rn_lookup;
	rh->rnh_walktree = rn_walktree;
	rh->rnh_walktree_from = rn_walktree_from;

	return (rh);
}

static int
rt_freeentry(struct radix_node *rn, void *arg)