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-rw-r--r--net/sched/sch_cbq.c92
1 files changed, 2 insertions, 90 deletions
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index 02d9f0dfe356..6568e17c4c63 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -149,7 +149,6 @@ struct cbq_sched_data {
psched_time_t now; /* Cached timestamp */
unsigned int pmask;
- struct hrtimer delay_timer;
struct qdisc_watchdog watchdog; /* Watchdog timer,
started when CBQ has
backlog, but cannot
@@ -441,81 +440,6 @@ static void cbq_overlimit(struct cbq_class *cl)
}
}
-static psched_tdiff_t cbq_undelay_prio(struct cbq_sched_data *q, int prio,
- psched_time_t now)
-{
- struct cbq_class *cl;
- struct cbq_class *cl_prev = q->active[prio];
- psched_time_t sched = now;
-
- if (cl_prev == NULL)
- return 0;
-
- do {
- cl = cl_prev->next_alive;
- if (now - cl->penalized > 0) {
- cl_prev->next_alive = cl->next_alive;
- cl->next_alive = NULL;
- cl->cpriority = cl->priority;
- cl->delayed = 0;
- cbq_activate_class(cl);
-
- if (cl == q->active[prio]) {
- q->active[prio] = cl_prev;
- if (cl == q->active[prio]) {
- q->active[prio] = NULL;
- return 0;
- }
- }
-
- cl = cl_prev->next_alive;
- } else if (sched - cl->penalized > 0)
- sched = cl->penalized;
- } while ((cl_prev = cl) != q->active[prio]);
-
- return sched - now;
-}
-
-static enum hrtimer_restart cbq_undelay(struct hrtimer *timer)
-{
- struct cbq_sched_data *q = container_of(timer, struct cbq_sched_data,
- delay_timer);
- struct Qdisc *sch = q->watchdog.qdisc;
- psched_time_t now;
- psched_tdiff_t delay = 0;
- unsigned int pmask;
-
- now = psched_get_time();
-
- pmask = q->pmask;
- q->pmask = 0;
-
- while (pmask) {
- int prio = ffz(~pmask);
- psched_tdiff_t tmp;
-
- pmask &= ~(1<<prio);
-
- tmp = cbq_undelay_prio(q, prio, now);
- if (tmp > 0) {
- q->pmask |= 1<<prio;
- if (tmp < delay || delay == 0)
- delay = tmp;
- }
- }
-
- if (delay) {
- ktime_t time;
-
- time = 0;
- time = ktime_add_ns(time, PSCHED_TICKS2NS(now + delay));
- hrtimer_start(&q->delay_timer, time, HRTIMER_MODE_ABS_PINNED);
- }
-
- __netif_schedule(qdisc_root(sch));
- return HRTIMER_NORESTART;
-}
-
/*
* It is mission critical procedure.
*
@@ -1034,7 +958,6 @@ cbq_reset(struct Qdisc *sch)
q->tx_class = NULL;
q->tx_borrowed = NULL;
qdisc_watchdog_cancel(&q->watchdog);
- hrtimer_cancel(&q->delay_timer);
q->toplevel = TC_CBQ_MAXLEVEL;
q->now = psched_get_time();
@@ -1052,11 +975,10 @@ cbq_reset(struct Qdisc *sch)
cl->cpriority = cl->priority;
}
}
- sch->q.qlen = 0;
}
-static int cbq_set_lss(struct cbq_class *cl, struct tc_cbq_lssopt *lss)
+static void cbq_set_lss(struct cbq_class *cl, struct tc_cbq_lssopt *lss)
{
if (lss->change & TCF_CBQ_LSS_FLAGS) {
cl->share = (lss->flags & TCF_CBQ_LSS_ISOLATED) ? NULL : cl->tparent;
@@ -1074,7 +996,6 @@ static int cbq_set_lss(struct cbq_class *cl, struct tc_cbq_lssopt *lss)
}
if (lss->change & TCF_CBQ_LSS_OFFTIME)
cl->offtime = lss->offtime;
- return 0;
}
static void cbq_rmprio(struct cbq_sched_data *q, struct cbq_class *cl)
@@ -1162,8 +1083,6 @@ static int cbq_init(struct Qdisc *sch, struct nlattr *opt,
int err;
qdisc_watchdog_init(&q->watchdog, sch);
- hrtimer_init(&q->delay_timer, CLOCK_MONOTONIC, HRTIMER_MODE_ABS_PINNED);
- q->delay_timer.function = cbq_undelay;
err = cbq_opt_parse(tb, opt, extack);
if (err < 0)
@@ -1757,15 +1676,8 @@ static void cbq_walk(struct Qdisc *sch, struct qdisc_walker *arg)
for (h = 0; h < q->clhash.hashsize; h++) {
hlist_for_each_entry(cl, &q->clhash.hash[h], common.hnode) {
- if (arg->count < arg->skip) {
- arg->count++;
- continue;
- }
- if (arg->fn(sch, (unsigned long)cl, arg) < 0) {
- arg->stop = 1;
+ if (!tc_qdisc_stats_dump(sch, (unsigned long)cl, arg))
return;
- }
- arg->count++;
}
}
}