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-rw-r--r--net/sched/act_gact.c2
-rw-r--r--net/sched/act_mirred.c2
-rw-r--r--net/sched/cls_bpf.c9
-rw-r--r--net/sched/em_nbyte.c2
-rw-r--r--net/sched/sch_api.c15
-rw-r--r--net/sched/sch_generic.c18
-rw-r--r--net/sched/sch_ingress.c19
7 files changed, 33 insertions, 34 deletions
diff --git a/net/sched/act_gact.c b/net/sched/act_gact.c
index e29a48ef7fc3..a0ac42b3ed06 100644
--- a/net/sched/act_gact.c
+++ b/net/sched/act_gact.c
@@ -159,7 +159,7 @@ static void tcf_gact_stats_update(struct tc_action *a, u64 bytes, u32 packets,
if (action == TC_ACT_SHOT)
this_cpu_ptr(gact->common.cpu_qstats)->drops += packets;
- tm->lastuse = lastuse;
+ tm->lastuse = max_t(u64, tm->lastuse, lastuse);
}
static int tcf_gact_dump(struct sk_buff *skb, struct tc_action *a,
diff --git a/net/sched/act_mirred.c b/net/sched/act_mirred.c
index 8b3e59388480..08b61849c2a2 100644
--- a/net/sched/act_mirred.c
+++ b/net/sched/act_mirred.c
@@ -239,7 +239,7 @@ static void tcf_stats_update(struct tc_action *a, u64 bytes, u32 packets,
struct tcf_t *tm = &m->tcf_tm;
_bstats_cpu_update(this_cpu_ptr(a->cpu_bstats), bytes, packets);
- tm->lastuse = lastuse;
+ tm->lastuse = max_t(u64, tm->lastuse, lastuse);
}
static int tcf_mirred_dump(struct sk_buff *skb, struct tc_action *a, int bind,
diff --git a/net/sched/cls_bpf.c b/net/sched/cls_bpf.c
index 8d78e7f4ecc3..a62586e2dbdb 100644
--- a/net/sched/cls_bpf.c
+++ b/net/sched/cls_bpf.c
@@ -183,10 +183,17 @@ static int cls_bpf_offload_cmd(struct tcf_proto *tp, struct cls_bpf_prog *prog,
return 0;
}
+static u32 cls_bpf_flags(u32 flags)
+{
+ return flags & CLS_BPF_SUPPORTED_GEN_FLAGS;
+}
+
static int cls_bpf_offload(struct tcf_proto *tp, struct cls_bpf_prog *prog,
struct cls_bpf_prog *oldprog)
{
- if (prog && oldprog && prog->gen_flags != oldprog->gen_flags)
+ if (prog && oldprog &&
+ cls_bpf_flags(prog->gen_flags) !=
+ cls_bpf_flags(oldprog->gen_flags))
return -EINVAL;
if (prog && tc_skip_hw(prog->gen_flags))
diff --git a/net/sched/em_nbyte.c b/net/sched/em_nbyte.c
index df3110d69585..07c10bac06a0 100644
--- a/net/sched/em_nbyte.c
+++ b/net/sched/em_nbyte.c
@@ -51,7 +51,7 @@ static int em_nbyte_match(struct sk_buff *skb, struct tcf_ematch *em,
if (!tcf_valid_offset(skb, ptr, nbyte->hdr.len))
return 0;
- return !memcmp(ptr + nbyte->hdr.off, nbyte->pattern, nbyte->hdr.len);
+ return !memcmp(ptr, nbyte->pattern, nbyte->hdr.len);
}
static struct tcf_ematch_ops em_nbyte_ops = {
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 0f1eab99ff4e..52529b7f8d96 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -1063,17 +1063,6 @@ static struct Qdisc *qdisc_create(struct net_device *dev,
}
if (!ops->init || (err = ops->init(sch, tca[TCA_OPTIONS])) == 0) {
- if (qdisc_is_percpu_stats(sch)) {
- sch->cpu_bstats =
- netdev_alloc_pcpu_stats(struct gnet_stats_basic_cpu);
- if (!sch->cpu_bstats)
- goto err_out4;
-
- sch->cpu_qstats = alloc_percpu(struct gnet_stats_queue);
- if (!sch->cpu_qstats)
- goto err_out4;
- }
-
if (tca[TCA_STAB]) {
stab = qdisc_get_stab(tca[TCA_STAB]);
if (IS_ERR(stab)) {
@@ -1115,7 +1104,7 @@ static struct Qdisc *qdisc_create(struct net_device *dev,
ops->destroy(sch);
err_out3:
dev_put(dev);
- kfree((char *) sch - sch->padded);
+ qdisc_free(sch);
err_out2:
module_put(ops->owner);
err_out:
@@ -1123,8 +1112,6 @@ err_out:
return NULL;
err_out4:
- free_percpu(sch->cpu_bstats);
- free_percpu(sch->cpu_qstats);
/*
* Any broken qdiscs that would require a ops->reset() here?
* The qdisc was never in action so it shouldn't be necessary.
diff --git a/net/sched/sch_generic.c b/net/sched/sch_generic.c
index 661c7144b53a..cac003fddf3e 100644
--- a/net/sched/sch_generic.c
+++ b/net/sched/sch_generic.c
@@ -633,6 +633,19 @@ struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue,
qdisc_skb_head_init(&sch->q);
spin_lock_init(&sch->q.lock);
+ if (ops->static_flags & TCQ_F_CPUSTATS) {
+ sch->cpu_bstats =
+ netdev_alloc_pcpu_stats(struct gnet_stats_basic_cpu);
+ if (!sch->cpu_bstats)
+ goto errout1;
+
+ sch->cpu_qstats = alloc_percpu(struct gnet_stats_queue);
+ if (!sch->cpu_qstats) {
+ free_percpu(sch->cpu_bstats);
+ goto errout1;
+ }
+ }
+
spin_lock_init(&sch->busylock);
lockdep_set_class(&sch->busylock,
dev->qdisc_tx_busylock ?: &qdisc_tx_busylock);
@@ -642,6 +655,7 @@ struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue,
dev->qdisc_running_key ?: &qdisc_running_key);
sch->ops = ops;
+ sch->flags = ops->static_flags;
sch->enqueue = ops->enqueue;
sch->dequeue = ops->dequeue;
sch->dev_queue = dev_queue;
@@ -649,6 +663,8 @@ struct Qdisc *qdisc_alloc(struct netdev_queue *dev_queue,
refcount_set(&sch->refcnt, 1);
return sch;
+errout1:
+ kfree(p);
errout:
return ERR_PTR(err);
}
@@ -698,7 +714,7 @@ void qdisc_reset(struct Qdisc *qdisc)
}
EXPORT_SYMBOL(qdisc_reset);
-static void qdisc_free(struct Qdisc *qdisc)
+void qdisc_free(struct Qdisc *qdisc)
{
if (qdisc_is_percpu_stats(qdisc)) {
free_percpu(qdisc->cpu_bstats);
diff --git a/net/sched/sch_ingress.c b/net/sched/sch_ingress.c
index fc1286f499c1..003e1b063447 100644
--- a/net/sched/sch_ingress.c
+++ b/net/sched/sch_ingress.c
@@ -66,7 +66,6 @@ static int ingress_init(struct Qdisc *sch, struct nlattr *opt)
{
struct ingress_sched_data *q = qdisc_priv(sch);
struct net_device *dev = qdisc_dev(sch);
- int err;
net_inc_ingress_queue();
@@ -76,13 +75,7 @@ static int ingress_init(struct Qdisc *sch, struct nlattr *opt)
q->block_info.chain_head_change = clsact_chain_head_change;
q->block_info.chain_head_change_priv = &q->miniqp;
- err = tcf_block_get_ext(&q->block, sch, &q->block_info);
- if (err)
- return err;
-
- sch->flags |= TCQ_F_CPUSTATS;
-
- return 0;
+ return tcf_block_get_ext(&q->block, sch, &q->block_info);
}
static void ingress_destroy(struct Qdisc *sch)
@@ -121,6 +114,7 @@ static struct Qdisc_ops ingress_qdisc_ops __read_mostly = {
.cl_ops = &ingress_class_ops,
.id = "ingress",
.priv_size = sizeof(struct ingress_sched_data),
+ .static_flags = TCQ_F_CPUSTATS,
.init = ingress_init,
.destroy = ingress_destroy,
.dump = ingress_dump,
@@ -192,13 +186,7 @@ static int clsact_init(struct Qdisc *sch, struct nlattr *opt)
q->egress_block_info.chain_head_change = clsact_chain_head_change;
q->egress_block_info.chain_head_change_priv = &q->miniqp_egress;
- err = tcf_block_get_ext(&q->egress_block, sch, &q->egress_block_info);
- if (err)
- return err;
-
- sch->flags |= TCQ_F_CPUSTATS;
-
- return 0;
+ return tcf_block_get_ext(&q->egress_block, sch, &q->egress_block_info);
}
static void clsact_destroy(struct Qdisc *sch)
@@ -225,6 +213,7 @@ static struct Qdisc_ops clsact_qdisc_ops __read_mostly = {
.cl_ops = &clsact_class_ops,
.id = "clsact",
.priv_size = sizeof(struct clsact_sched_data),
+ .static_flags = TCQ_F_CPUSTATS,
.init = clsact_init,
.destroy = clsact_destroy,
.dump = ingress_dump,