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-rw-r--r--net/sched/cls_cgroup.c13
-rw-r--r--net/sched/sch_cbq.c5
-rw-r--r--net/sched/sch_fq_codel.c2
-rw-r--r--net/sched/sch_gred.c38
-rw-r--r--net/sched/sch_qfq.c5
5 files changed, 30 insertions, 33 deletions
diff --git a/net/sched/cls_cgroup.c b/net/sched/cls_cgroup.c
index 907daf99ab2e..4a23ccca6b70 100644
--- a/net/sched/cls_cgroup.c
+++ b/net/sched/cls_cgroup.c
@@ -77,9 +77,7 @@ struct cgroup_subsys net_cls_subsys = {
.name = "net_cls",
.create = cgrp_create,
.destroy = cgrp_destroy,
-#ifdef CONFIG_NET_CLS_CGROUP
.subsys_id = net_cls_subsys_id,
-#endif
.base_cftypes = ss_files,
.module = THIS_MODULE,
@@ -292,12 +290,6 @@ static int __init init_cgroup_cls(void)
if (ret)
goto out;
-#ifndef CONFIG_NET_CLS_CGROUP
- /* We can't use rcu_assign_pointer because this is an int. */
- smp_wmb();
- net_cls_subsys_id = net_cls_subsys.subsys_id;
-#endif
-
ret = register_tcf_proto_ops(&cls_cgroup_ops);
if (ret)
cgroup_unload_subsys(&net_cls_subsys);
@@ -310,11 +302,6 @@ static void __exit exit_cgroup_cls(void)
{
unregister_tcf_proto_ops(&cls_cgroup_ops);
-#ifndef CONFIG_NET_CLS_CGROUP
- net_cls_subsys_id = -1;
- synchronize_rcu();
-#endif
-
cgroup_unload_subsys(&net_cls_subsys);
}
diff --git a/net/sched/sch_cbq.c b/net/sched/sch_cbq.c
index 6aabd77d1cfd..564b9fc8efd3 100644
--- a/net/sched/sch_cbq.c
+++ b/net/sched/sch_cbq.c
@@ -250,10 +250,11 @@ cbq_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
else if ((cl = defmap[res.classid & TC_PRIO_MAX]) == NULL)
cl = defmap[TC_PRIO_BESTEFFORT];
- if (cl == NULL || cl->level >= head->level)
+ if (cl == NULL)
goto fallback;
}
-
+ if (cl->level >= head->level)
+ goto fallback;
#ifdef CONFIG_NET_CLS_ACT
switch (result) {
case TC_ACT_QUEUED:
diff --git a/net/sched/sch_fq_codel.c b/net/sched/sch_fq_codel.c
index 9fc1c62ec80e..4e606fcb2534 100644
--- a/net/sched/sch_fq_codel.c
+++ b/net/sched/sch_fq_codel.c
@@ -191,7 +191,6 @@ static int fq_codel_enqueue(struct sk_buff *skb, struct Qdisc *sch)
if (list_empty(&flow->flowchain)) {
list_add_tail(&flow->flowchain, &q->new_flows);
- codel_vars_init(&flow->cvars);
q->new_flow_count++;
flow->deficit = q->quantum;
flow->dropped = 0;
@@ -418,6 +417,7 @@ static int fq_codel_init(struct Qdisc *sch, struct nlattr *opt)
struct fq_codel_flow *flow = q->flows + i;
INIT_LIST_HEAD(&flow->flowchain);
+ codel_vars_init(&flow->cvars);
}
}
if (sch->limit >= 1)
diff --git a/net/sched/sch_gred.c b/net/sched/sch_gred.c
index e901583e4ea5..d42234c0f13b 100644
--- a/net/sched/sch_gred.c
+++ b/net/sched/sch_gred.c
@@ -102,9 +102,8 @@ static inline int gred_wred_mode_check(struct Qdisc *sch)
if (q == NULL)
continue;
- for (n = 0; n < table->DPs; n++)
- if (table->tab[n] && table->tab[n] != q &&
- table->tab[n]->prio == q->prio)
+ for (n = i + 1; n < table->DPs; n++)
+ if (table->tab[n] && table->tab[n]->prio == q->prio)
return 1;
}
@@ -137,6 +136,7 @@ static inline void gred_store_wred_set(struct gred_sched *table,
struct gred_sched_data *q)
{
table->wred_set.qavg = q->vars.qavg;
+ table->wred_set.qidlestart = q->vars.qidlestart;
}
static inline int gred_use_ecn(struct gred_sched *t)
@@ -176,7 +176,7 @@ static int gred_enqueue(struct sk_buff *skb, struct Qdisc *sch)
skb->tc_index = (skb->tc_index & ~GRED_VQ_MASK) | dp;
}
- /* sum up all the qaves of prios <= to ours to get the new qave */
+ /* sum up all the qaves of prios < ours to get the new qave */
if (!gred_wred_mode(t) && gred_rio_mode(t)) {
int i;
@@ -260,16 +260,18 @@ static struct sk_buff *gred_dequeue(struct Qdisc *sch)
} else {
q->backlog -= qdisc_pkt_len(skb);
- if (!q->backlog && !gred_wred_mode(t))
- red_start_of_idle_period(&q->vars);
+ if (gred_wred_mode(t)) {
+ if (!sch->qstats.backlog)
+ red_start_of_idle_period(&t->wred_set);
+ } else {
+ if (!q->backlog)
+ red_start_of_idle_period(&q->vars);
+ }
}
return skb;
}
- if (gred_wred_mode(t) && !red_is_idling(&t->wred_set))
- red_start_of_idle_period(&t->wred_set);
-
return NULL;
}
@@ -291,19 +293,20 @@ static unsigned int gred_drop(struct Qdisc *sch)
q->backlog -= len;
q->stats.other++;
- if (!q->backlog && !gred_wred_mode(t))
- red_start_of_idle_period(&q->vars);
+ if (gred_wred_mode(t)) {
+ if (!sch->qstats.backlog)
+ red_start_of_idle_period(&t->wred_set);
+ } else {
+ if (!q->backlog)
+ red_start_of_idle_period(&q->vars);
+ }
}
qdisc_drop(skb, sch);
return len;
}
- if (gred_wred_mode(t) && !red_is_idling(&t->wred_set))
- red_start_of_idle_period(&t->wred_set);
-
return 0;
-
}
static void gred_reset(struct Qdisc *sch)
@@ -535,6 +538,7 @@ static int gred_dump(struct Qdisc *sch, struct sk_buff *skb)
for (i = 0; i < MAX_DPs; i++) {
struct gred_sched_data *q = table->tab[i];
struct tc_gred_qopt opt;
+ unsigned long qavg;
memset(&opt, 0, sizeof(opt));
@@ -566,7 +570,9 @@ static int gred_dump(struct Qdisc *sch, struct sk_buff *skb)
if (gred_wred_mode(table))
gred_load_wred_set(table, q);
- opt.qave = red_calc_qavg(&q->parms, &q->vars, q->vars.qavg);
+ qavg = red_calc_qavg(&q->parms, &q->vars,
+ q->vars.qavg >> q->parms.Wlog);
+ opt.qave = qavg >> q->parms.Wlog;
append_opt:
if (nla_append(skb, sizeof(opt), &opt) < 0)
diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c
index e4723d31fdd5..211a21217045 100644
--- a/net/sched/sch_qfq.c
+++ b/net/sched/sch_qfq.c
@@ -865,7 +865,10 @@ static void qfq_update_start(struct qfq_sched *q, struct qfq_class *cl)
if (mask) {
struct qfq_group *next = qfq_ffs(q, mask);
if (qfq_gt(roundedF, next->F)) {
- cl->S = next->F;
+ if (qfq_gt(limit, next->F))
+ cl->S = next->F;
+ else /* preserve timestamp correctness */
+ cl->S = limit;
return;
}
}