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-rw-r--r--net/sched/sch_netem.c56
1 files changed, 28 insertions, 28 deletions
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index db0228a65e8c..e64e0e0d94ff 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -77,8 +77,8 @@ struct netem_sched_data {
struct qdisc_watchdog watchdog;
- psched_tdiff_t latency;
- psched_tdiff_t jitter;
+ s64 latency;
+ s64 jitter;
u32 loss;
u32 ecn;
@@ -145,7 +145,7 @@ struct netem_sched_data {
* we save skb->tstamp value in skb->cb[] before destroying it.
*/
struct netem_skb_cb {
- psched_time_t time_to_send;
+ u64 time_to_send;
};
static inline struct netem_skb_cb *netem_skb_cb(struct sk_buff *skb)
@@ -305,11 +305,11 @@ 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 psched_tdiff_t tabledist(psched_tdiff_t mu, psched_tdiff_t sigma,
- struct crndstate *state,
- const struct disttable *dist)
+static s64 tabledist(s64 mu, s64 sigma,
+ struct crndstate *state,
+ const struct disttable *dist)
{
- psched_tdiff_t x;
+ s64 x;
long t;
u32 rnd;
@@ -332,10 +332,10 @@ static psched_tdiff_t tabledist(psched_tdiff_t mu, psched_tdiff_t sigma,
return x / NETEM_DIST_SCALE + (sigma / NETEM_DIST_SCALE) * t + mu;
}
-static psched_time_t packet_len_2_sched_time(unsigned int len, struct netem_sched_data *q)
+static u64 packet_len_2_sched_time(unsigned int len,
+ struct netem_sched_data *q)
{
- u64 ticks;
-
+ u64 offset;
len += q->packet_overhead;
if (q->cell_size) {
@@ -345,11 +345,9 @@ static psched_time_t packet_len_2_sched_time(unsigned int len, struct netem_sche
cells++;
len = cells * (q->cell_size + q->cell_overhead);
}
-
- ticks = (u64)len * NSEC_PER_SEC;
-
- do_div(ticks, q->rate);
- return PSCHED_NS2TICKS(ticks);
+ offset = (u64)len * NSEC_PER_SEC;
+ do_div(offset, q->rate);
+ return offset;
}
static void tfifo_reset(struct Qdisc *sch)
@@ -369,7 +367,7 @@ static void tfifo_reset(struct Qdisc *sch)
static void tfifo_enqueue(struct sk_buff *nskb, struct Qdisc *sch)
{
struct netem_sched_data *q = qdisc_priv(sch);
- psched_time_t tnext = netem_skb_cb(nskb)->time_to_send;
+ u64 tnext = netem_skb_cb(nskb)->time_to_send;
struct rb_node **p = &q->t_root.rb_node, *parent = NULL;
while (*p) {
@@ -515,13 +513,13 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch,
if (q->gap == 0 || /* not doing reordering */
q->counter < q->gap - 1 || /* inside last reordering gap */
q->reorder < get_crandom(&q->reorder_cor)) {
- psched_time_t now;
- psched_tdiff_t delay;
+ u64 now;
+ s64 delay;
delay = tabledist(q->latency, q->jitter,
&q->delay_cor, q->delay_dist);
- now = psched_get_time();
+ now = ktime_get_ns();
if (q->rate) {
struct netem_skb_cb *last = NULL;
@@ -547,7 +545,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch,
* from delay.
*/
delay -= last->time_to_send - now;
- delay = max_t(psched_tdiff_t, 0, delay);
+ delay = max_t(s64, 0, delay);
now = last->time_to_send;
}
@@ -562,7 +560,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch,
* Do re-ordering by putting one out of N packets at the front
* of the queue.
*/
- cb->time_to_send = psched_get_time();
+ cb->time_to_send = ktime_get_ns();
q->counter = 0;
netem_enqueue_skb_head(&sch->q, skb);
@@ -609,13 +607,13 @@ deliver:
}
p = rb_first(&q->t_root);
if (p) {
- psched_time_t time_to_send;
+ u64 time_to_send;
skb = rb_to_skb(p);
/* if more time remaining? */
time_to_send = netem_skb_cb(skb)->time_to_send;
- if (time_to_send <= psched_get_time()) {
+ if (time_to_send <= ktime_get_ns()) {
rb_erase(p, &q->t_root);
sch->q.qlen--;
@@ -659,7 +657,7 @@ deliver:
if (skb)
goto deliver;
}
- qdisc_watchdog_schedule(&q->watchdog, time_to_send);
+ qdisc_watchdog_schedule_ns(&q->watchdog, time_to_send);
}
if (q->qdisc) {
@@ -888,8 +886,8 @@ static int netem_change(struct Qdisc *sch, struct nlattr *opt)
sch->limit = qopt->limit;
- q->latency = qopt->latency;
- q->jitter = qopt->jitter;
+ q->latency = PSCHED_TICKS2NS(qopt->latency);
+ q->jitter = PSCHED_TICKS2NS(qopt->jitter);
q->limit = qopt->limit;
q->gap = qopt->gap;
q->counter = 0;
@@ -1011,8 +1009,10 @@ static int netem_dump(struct Qdisc *sch, struct sk_buff *skb)
struct tc_netem_corrupt corrupt;
struct tc_netem_rate rate;
- qopt.latency = q->latency;
- qopt.jitter = q->jitter;
+ qopt.latency = min_t(psched_tdiff_t, PSCHED_NS2TICKS(q->latency),
+ UINT_MAX);
+ qopt.jitter = min_t(psched_tdiff_t, PSCHED_NS2TICKS(q->jitter),
+ UINT_MAX);
qopt.limit = q->limit;
qopt.loss = q->loss;
qopt.gap = q->gap;