static void get_correlation(struct Qdisc *sch, const struct nlattr *attr)
{
struct netem_sched_data *q = qdisc_priv(sch);
const struct tc_netem_corr *c = nla_data(attr);
init_crandom(&q->delay_cor, c->delay_corr);
init_crandom(&q->loss_cor, c->loss_corr);
init_crandom(&q->dup_cor, c->dup_corr);
}
static int get_correlation(struct Qdisc *sch, const struct rtattr *attr)
{
struct netem_sched_data *q = qdisc_priv(sch);
const struct tc_netem_corr *c = RTA_DATA(attr);
if (RTA_PAYLOAD(attr) != sizeof(*c))
return -EINVAL;
init_crandom(&q->delay_cor, c->delay_corr);
init_crandom(&q->loss_cor, c->loss_corr);
init_crandom(&q->dup_cor, c->dup_corr);
return 0;
}
static void get_corrupt(struct Qdisc *sch, const struct nlattr *attr)
{
struct netem_sched_data *q = qdisc_priv(sch);
const struct tc_netem_corrupt *r = nla_data(attr);
q->corrupt = r->probability;
init_crandom(&q->corrupt_cor, r->correlation);
}
static int get_corrupt(struct Qdisc *sch, const struct rtattr *attr)
{
struct netem_sched_data *q = qdisc_priv(sch);
const struct tc_netem_corrupt *r = RTA_DATA(attr);
if (RTA_PAYLOAD(attr) != sizeof(*r))
return -EINVAL;
q->corrupt = r->probability;
init_crandom(&q->corrupt_cor, r->correlation);
return 0;
}
/* initialize the PRNG */
int init_rng()
{
#ifdef RANDOM_DEVICE
if (!(rand_file=fopen(RANDOM_DEVICE,"r"))) {
log_error("Could not open %s.",RANDOM_DEVICE);
return 0;
}
#endif
#ifdef R_RANDOM
init_crandom();
#endif
return 1;
}
