Function ng_car_constructor

freebsd/netgraph/ng_car.c:185–231

* Node constructor */

 * Node constructor
 */
static int
ng_car_constructor(node_p node)
{
	priv_p priv;

	/* Initialize private descriptor. */
	priv = malloc(sizeof(*priv), M_NETGRAPH, M_WAITOK | M_ZERO);

	NG_NODE_SET_PRIVATE(node, priv);
	priv->node = node;

	/*
	 * Arbitrary default values
	 */

	priv->upper.hook = NULL;
	priv->upper.dest = NULL;
	priv->upper.tc = priv->upper.conf.cbs = NG_CAR_CBS_MIN;
	priv->upper.te = priv->upper.conf.ebs = NG_CAR_EBS_MIN;
	priv->upper.conf.cir = NG_CAR_CIR_DFLT;
	priv->upper.conf.green_action = NG_CAR_ACTION_FORWARD;
	priv->upper.conf.yellow_action = NG_CAR_ACTION_FORWARD;
	priv->upper.conf.red_action = NG_CAR_ACTION_DROP;
	priv->upper.conf.mode = 0;
	getbinuptime(&priv->upper.lastRefill);
	priv->upper.q_first = 0;
	priv->upper.q_last = 0;
	ng_callout_init(&priv->upper.q_callout);
	mtx_init(&priv->upper.q_mtx, "ng_car_u", NULL, MTX_DEF);

	priv->lower.hook = NULL;
	priv->lower.dest = NULL;
	priv->lower.tc = priv->lower.conf.cbs = NG_CAR_CBS_MIN;
	priv->lower.te = priv->lower.conf.ebs = NG_CAR_EBS_MIN;
	priv->lower.conf.cir = NG_CAR_CIR_DFLT;
	priv->lower.conf.green_action = NG_CAR_ACTION_FORWARD;
	priv->lower.conf.yellow_action = NG_CAR_ACTION_FORWARD;
	priv->lower.conf.red_action = NG_CAR_ACTION_DROP;
	priv->lower.conf.mode = 0;
	priv->lower.lastRefill = priv->upper.lastRefill;
	priv->lower.q_first = 0;
	priv->lower.q_last = 0;
	ng_callout_init(&priv->lower.q_callout);
	mtx_init(&priv->lower.q_mtx, "ng_car_l", NULL, MTX_DEF);

	return (0);
}

/*
 * Add a hook.