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Commit 69d48179 authored by David S. Miller's avatar David S. Miller
Browse files

Merge branch 'netem-fix-compilation-on-32-bit' 



Stephen Hemminger says:

====================
netem: fix compilation on 32 bit

A couple of places where 64 bit CPU was being assumed incorrectly.
====================

Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parents 6670e152 9b0ed891

net/sched/sch_netem.c

+7 −10
Original line number Diff line number Diff line
@@ -312,7 +312,7 @@ static bool loss_event(struct netem_sched_data *q) 
 * std deviation sigma.  Uses table lookup to approximate the desired

 * distribution, and a uniformly-distributed pseudo-random source.

 */

static s64 tabledist(s64 mu, s64 sigma,

static s64 tabledist(s64 mu, s32 sigma,

		     struct crndstate *state,

		     const struct disttable *dist)

{
@@ -339,10 +339,8 @@ static s64 tabledist(s64 mu, s64 sigma, 
	return  x / NETEM_DIST_SCALE + (sigma / NETEM_DIST_SCALE) * t + mu;

}



static u64 packet_len_2_sched_time(unsigned int len,

				   struct netem_sched_data *q)

static u64 packet_time_ns(u64 len, const struct netem_sched_data *q)

{

	u64 offset;

	len += q->packet_overhead;



	if (q->cell_size) {
@@ -352,9 +350,8 @@ static u64 packet_len_2_sched_time(unsigned int len, 
			cells++;

		len = cells * (q->cell_size + q->cell_overhead);

	}

	offset = (u64)len * NSEC_PER_SEC;

	do_div(offset, q->rate);

	return offset;



	return div64_u64(len * NSEC_PER_SEC, q->rate);

}



static void tfifo_reset(struct Qdisc *sch)
@@ -556,7 +553,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch, 
				now = last->time_to_send;

			}



			delay += packet_len_2_sched_time(qdisc_pkt_len(skb), q);

			delay += packet_time_ns(qdisc_pkt_len(skb), q);

		}



		cb->time_to_send = now + delay;