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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2016-10-20 00:10:27 -0300
commitd0b2f91bede3bd5e3d24dd6803e56eee959c1797 (patch)
tree7fee4ab0509879c373c4f2cbd5b8a5be5b4041ee /net/sched/sch_api.c
parente914f8eb445e8f74b00303c19c2ffceaedd16a05 (diff)
Linux-libre 4.8.2-gnupck-4.8.2-gnu
Diffstat (limited to 'net/sched/sch_api.c')
-rw-r--r--net/sched/sch_api.c30
1 files changed, 12 insertions, 18 deletions
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index ddf047df5..12ebde845 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -95,8 +95,6 @@ static int tclass_notify(struct net *net, struct sk_buff *oskb,
Expected action: do not backoff, but wait until queue will clear.
NET_XMIT_CN - probably this packet enqueued, but another one dropped.
Expected action: backoff or ignore
- NET_XMIT_POLICED - dropped by police.
- Expected action: backoff or error to real-time apps.
Auxiliary routines:
@@ -583,7 +581,6 @@ static enum hrtimer_restart qdisc_watchdog(struct hrtimer *timer)
timer);
rcu_read_lock();
- qdisc_unthrottled(wd->qdisc);
__netif_schedule(qdisc_root(wd->qdisc));
rcu_read_unlock();
@@ -598,15 +595,12 @@ void qdisc_watchdog_init(struct qdisc_watchdog *wd, struct Qdisc *qdisc)
}
EXPORT_SYMBOL(qdisc_watchdog_init);
-void qdisc_watchdog_schedule_ns(struct qdisc_watchdog *wd, u64 expires, bool throttle)
+void qdisc_watchdog_schedule_ns(struct qdisc_watchdog *wd, u64 expires)
{
if (test_bit(__QDISC_STATE_DEACTIVATED,
&qdisc_root_sleeping(wd->qdisc)->state))
return;
- if (throttle)
- qdisc_throttled(wd->qdisc);
-
if (wd->last_expires == expires)
return;
@@ -620,7 +614,6 @@ EXPORT_SYMBOL(qdisc_watchdog_schedule_ns);
void qdisc_watchdog_cancel(struct qdisc_watchdog *wd)
{
hrtimer_cancel(&wd->timer);
- qdisc_unthrottled(wd->qdisc);
}
EXPORT_SYMBOL(qdisc_watchdog_cancel);
@@ -982,7 +975,7 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue,
rcu_assign_pointer(sch->stab, stab);
}
if (tca[TCA_RATE]) {
- spinlock_t *root_lock;
+ seqcount_t *running;
err = -EOPNOTSUPP;
if (sch->flags & TCQ_F_MQROOT)
@@ -991,14 +984,15 @@ qdisc_create(struct net_device *dev, struct netdev_queue *dev_queue,
if ((sch->parent != TC_H_ROOT) &&
!(sch->flags & TCQ_F_INGRESS) &&
(!p || !(p->flags & TCQ_F_MQROOT)))
- root_lock = qdisc_root_sleeping_lock(sch);
+ running = qdisc_root_sleeping_running(sch);
else
- root_lock = qdisc_lock(sch);
+ running = &sch->running;
err = gen_new_estimator(&sch->bstats,
sch->cpu_bstats,
&sch->rate_est,
- root_lock,
+ NULL,
+ running,
tca[TCA_RATE]);
if (err)
goto err_out4;
@@ -1061,7 +1055,8 @@ static int qdisc_change(struct Qdisc *sch, struct nlattr **tca)
gen_replace_estimator(&sch->bstats,
sch->cpu_bstats,
&sch->rate_est,
- qdisc_root_sleeping_lock(sch),
+ NULL,
+ qdisc_root_sleeping_running(sch),
tca[TCA_RATE]);
}
out:
@@ -1369,8 +1364,7 @@ static int tc_fill_qdisc(struct sk_buff *skb, struct Qdisc *q, u32 clid,
goto nla_put_failure;
if (gnet_stats_start_copy_compat(skb, TCA_STATS2, TCA_STATS, TCA_XSTATS,
- qdisc_root_sleeping_lock(q), &d,
- TCA_PAD) < 0)
+ NULL, &d, TCA_PAD) < 0)
goto nla_put_failure;
if (q->ops->dump_stats && q->ops->dump_stats(q, &d) < 0)
@@ -1381,7 +1375,8 @@ static int tc_fill_qdisc(struct sk_buff *skb, struct Qdisc *q, u32 clid,
cpu_qstats = q->cpu_qstats;
}
- if (gnet_stats_copy_basic(&d, cpu_bstats, &q->bstats) < 0 ||
+ if (gnet_stats_copy_basic(qdisc_root_sleeping_running(q),
+ &d, cpu_bstats, &q->bstats) < 0 ||
gnet_stats_copy_rate_est(&d, &q->bstats, &q->rate_est) < 0 ||
gnet_stats_copy_queue(&d, cpu_qstats, &q->qstats, qlen) < 0)
goto nla_put_failure;
@@ -1684,8 +1679,7 @@ static int tc_fill_tclass(struct sk_buff *skb, struct Qdisc *q,
goto nla_put_failure;
if (gnet_stats_start_copy_compat(skb, TCA_STATS2, TCA_STATS, TCA_XSTATS,
- qdisc_root_sleeping_lock(q), &d,
- TCA_PAD) < 0)
+ NULL, &d, TCA_PAD) < 0)
goto nla_put_failure;
if (cl_ops->dump_stats && cl_ops->dump_stats(q, cl, &d) < 0)