The random number generator always generates 32 bit values. The time values are limited by psched_tdiff_t Signed-off-by: Stephen Hemminger --- net/sched/sch_netem.c | 23 +++++++++++++---------- 1 file changed, 13 insertions(+), 10 deletions(-) --- net-2.6.22.orig/net/sched/sch_netem.c +++ net-2.6.22/net/sched/sch_netem.c @@ -56,19 +56,20 @@ struct netem_sched_data { struct Qdisc *qdisc; struct qdisc_watchdog watchdog; - u32 latency; + psched_tdiff_t latency; + psched_tdiff_t jitter; + u32 loss; u32 limit; u32 counter; u32 gap; - u32 jitter; u32 duplicate; u32 reorder; u32 corrupt; struct crndstate { - unsigned long last; - unsigned long rho; + u32 last; + u32 rho; } delay_cor, loss_cor, dup_cor, reorder_cor, corrupt_cor; struct disttable { @@ -95,7 +96,7 @@ static void init_crandom(struct crndstat * Next number depends on last value. * rho is scaled to avoid floating point. */ -static unsigned long get_crandom(struct crndstate *state) +static u32 get_crandom(struct crndstate *state) { u64 value, rho; unsigned long answer; @@ -114,11 +115,13 @@ static unsigned long get_crandom(struct * std deviation sigma. Uses table lookup to approximate the desired * distribution, and a uniformly-distributed pseudo-random source. */ -static long tabledist(unsigned long mu, long sigma, - struct crndstate *state, const struct disttable *dist) -{ - long t, x; - unsigned long rnd; +static psched_tdiff_t tabledist(psched_tdiff_t mu, psched_tdiff_t sigma, + struct crndstate *state, + const struct disttable *dist) +{ + psched_tdiff_t x; + long t; + u32 rnd; if (sigma == 0) return mu; -- - To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html