summaryrefslogtreecommitdiffstats
path: root/net/sched
diff options
context:
space:
mode:
Diffstat (limited to 'net/sched')
-rw-r--r--net/sched/act_tunnel_key.c19
-rw-r--r--net/sched/cls_api.c3
-rw-r--r--net/sched/cls_basic.c25
-rw-r--r--net/sched/cls_flower.c19
-rw-r--r--net/sched/sch_api.c3
-rw-r--r--net/sched/sch_cake.c5
-rw-r--r--net/sched/sch_cbs.c3
-rw-r--r--net/sched/sch_drr.c7
-rw-r--r--net/sched/sch_dsmark.c3
-rw-r--r--net/sched/sch_hfsc.c9
-rw-r--r--net/sched/sch_htb.c3
-rw-r--r--net/sched/sch_prio.c3
-rw-r--r--net/sched/sch_qfq.c20
-rw-r--r--net/sched/sch_tbf.c3
14 files changed, 87 insertions, 38 deletions
diff --git a/net/sched/act_tunnel_key.c b/net/sched/act_tunnel_key.c
index c3b90fadaff6..8b43fe0130f7 100644
--- a/net/sched/act_tunnel_key.c
+++ b/net/sched/act_tunnel_key.c
@@ -197,6 +197,15 @@ static const struct nla_policy tunnel_key_policy[TCA_TUNNEL_KEY_MAX + 1] = {
[TCA_TUNNEL_KEY_ENC_TTL] = { .type = NLA_U8 },
};
+static void tunnel_key_release_params(struct tcf_tunnel_key_params *p)
+{
+ if (!p)
+ return;
+ if (p->tcft_action == TCA_TUNNEL_KEY_ACT_SET)
+ dst_release(&p->tcft_enc_metadata->dst);
+ kfree_rcu(p, rcu);
+}
+
static int tunnel_key_init(struct net *net, struct nlattr *nla,
struct nlattr *est, struct tc_action **a,
int ovr, int bind, bool rtnl_held,
@@ -360,8 +369,7 @@ static int tunnel_key_init(struct net *net, struct nlattr *nla,
rcu_swap_protected(t->params, params_new,
lockdep_is_held(&t->tcf_lock));
spin_unlock_bh(&t->tcf_lock);
- if (params_new)
- kfree_rcu(params_new, rcu);
+ tunnel_key_release_params(params_new);
if (ret == ACT_P_CREATED)
tcf_idr_insert(tn, *a);
@@ -385,12 +393,7 @@ static void tunnel_key_release(struct tc_action *a)
struct tcf_tunnel_key_params *params;
params = rcu_dereference_protected(t->params, 1);
- if (params) {
- if (params->tcft_action == TCA_TUNNEL_KEY_ACT_SET)
- dst_release(&params->tcft_enc_metadata->dst);
-
- kfree_rcu(params, rcu);
- }
+ tunnel_key_release_params(params);
}
static int tunnel_key_geneve_opts_dump(struct sk_buff *skb,
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index 8ce2a0507970..e2b5cb2eb34e 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -1277,7 +1277,6 @@ EXPORT_SYMBOL(tcf_block_cb_unregister);
int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp,
struct tcf_result *res, bool compat_mode)
{
- __be16 protocol = tc_skb_protocol(skb);
#ifdef CONFIG_NET_CLS_ACT
const int max_reclassify_loop = 4;
const struct tcf_proto *orig_tp = tp;
@@ -1287,6 +1286,7 @@ int tcf_classify(struct sk_buff *skb, const struct tcf_proto *tp,
reclassify:
#endif
for (; tp; tp = rcu_dereference_bh(tp->next)) {
+ __be16 protocol = tc_skb_protocol(skb);
int err;
if (tp->protocol != protocol &&
@@ -1319,7 +1319,6 @@ reset:
}
tp = first_tp;
- protocol = tc_skb_protocol(skb);
goto reclassify;
#endif
}
diff --git a/net/sched/cls_basic.c b/net/sched/cls_basic.c
index 6a5dce8baf19..4a57fec6f306 100644
--- a/net/sched/cls_basic.c
+++ b/net/sched/cls_basic.c
@@ -18,6 +18,7 @@
#include <linux/rtnetlink.h>
#include <linux/skbuff.h>
#include <linux/idr.h>
+#include <linux/percpu.h>
#include <net/netlink.h>
#include <net/act_api.h>
#include <net/pkt_cls.h>
@@ -35,6 +36,7 @@ struct basic_filter {
struct tcf_result res;
struct tcf_proto *tp;
struct list_head link;
+ struct tc_basic_pcnt __percpu *pf;
struct rcu_work rwork;
};
@@ -46,8 +48,10 @@ static int basic_classify(struct sk_buff *skb, const struct tcf_proto *tp,
struct basic_filter *f;
list_for_each_entry_rcu(f, &head->flist, link) {
+ __this_cpu_inc(f->pf->rcnt);
if (!tcf_em_tree_match(skb, &f->ematches, NULL))
continue;
+ __this_cpu_inc(f->pf->rhit);
*res = f->res;
r = tcf_exts_exec(skb, &f->exts, res);
if (r < 0)
@@ -89,6 +93,7 @@ static void __basic_delete_filter(struct basic_filter *f)
tcf_exts_destroy(&f->exts);
tcf_em_tree_destroy(&f->ematches);
tcf_exts_put_net(&f->exts);
+ free_percpu(f->pf);
kfree(f);
}
@@ -208,6 +213,11 @@ static int basic_change(struct net *net, struct sk_buff *in_skb,
if (err)
goto errout;
fnew->handle = handle;
+ fnew->pf = alloc_percpu(struct tc_basic_pcnt);
+ if (!fnew->pf) {
+ err = -ENOMEM;
+ goto errout;
+ }
err = basic_set_parms(net, tp, fnew, base, tb, tca[TCA_RATE], ovr,
extack);
@@ -231,6 +241,7 @@ static int basic_change(struct net *net, struct sk_buff *in_skb,
return 0;
errout:
+ free_percpu(fnew->pf);
tcf_exts_destroy(&fnew->exts);
kfree(fnew);
return err;
@@ -265,8 +276,10 @@ static void basic_bind_class(void *fh, u32 classid, unsigned long cl)
static int basic_dump(struct net *net, struct tcf_proto *tp, void *fh,
struct sk_buff *skb, struct tcmsg *t)
{
+ struct tc_basic_pcnt gpf = {};
struct basic_filter *f = fh;
struct nlattr *nest;
+ int cpu;
if (f == NULL)
return skb->len;
@@ -281,6 +294,18 @@ static int basic_dump(struct net *net, struct tcf_proto *tp, void *fh,
nla_put_u32(skb, TCA_BASIC_CLASSID, f->res.classid))
goto nla_put_failure;
+ for_each_possible_cpu(cpu) {
+ struct tc_basic_pcnt *pf = per_cpu_ptr(f->pf, cpu);
+
+ gpf.rcnt += pf->rcnt;
+ gpf.rhit += pf->rhit;
+ }
+
+ if (nla_put_64bit(skb, TCA_BASIC_PCNT,
+ sizeof(struct tc_basic_pcnt),
+ &gpf, TCA_BASIC_PAD))
+ goto nla_put_failure;
+
if (tcf_exts_dump(skb, &f->exts) < 0 ||
tcf_em_tree_dump(skb, &f->ematches, TCA_BASIC_EMATCHES) < 0)
goto nla_put_failure;
diff --git a/net/sched/cls_flower.c b/net/sched/cls_flower.c
index dad04e710493..f6aa57fbbbaf 100644
--- a/net/sched/cls_flower.c
+++ b/net/sched/cls_flower.c
@@ -1290,17 +1290,23 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
struct cls_fl_head *head = rtnl_dereference(tp->root);
struct cls_fl_filter *fold = *arg;
struct cls_fl_filter *fnew;
+ struct fl_flow_mask *mask;
struct nlattr **tb;
- struct fl_flow_mask mask = {};
int err;
if (!tca[TCA_OPTIONS])
return -EINVAL;
- tb = kcalloc(TCA_FLOWER_MAX + 1, sizeof(struct nlattr *), GFP_KERNEL);
- if (!tb)
+ mask = kzalloc(sizeof(struct fl_flow_mask), GFP_KERNEL);
+ if (!mask)
return -ENOBUFS;
+ tb = kcalloc(TCA_FLOWER_MAX + 1, sizeof(struct nlattr *), GFP_KERNEL);
+ if (!tb) {
+ err = -ENOBUFS;
+ goto errout_mask_alloc;
+ }
+
err = nla_parse_nested(tb, TCA_FLOWER_MAX, tca[TCA_OPTIONS],
fl_policy, NULL);
if (err < 0)
@@ -1343,12 +1349,12 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
}
}
- err = fl_set_parms(net, tp, fnew, &mask, base, tb, tca[TCA_RATE], ovr,
+ err = fl_set_parms(net, tp, fnew, mask, base, tb, tca[TCA_RATE], ovr,
tp->chain->tmplt_priv, extack);
if (err)
goto errout_idr;
- err = fl_check_assign_mask(head, fnew, fold, &mask);
+ err = fl_check_assign_mask(head, fnew, fold, mask);
if (err)
goto errout_idr;
@@ -1392,6 +1398,7 @@ static int fl_change(struct net *net, struct sk_buff *in_skb,
}
kfree(tb);
+ kfree(mask);
return 0;
errout_mask:
@@ -1405,6 +1412,8 @@ errout:
kfree(fnew);
errout_tb:
kfree(tb);
+errout_mask_alloc:
+ kfree(mask);
return err;
}
diff --git a/net/sched/sch_api.c b/net/sched/sch_api.c
index 7e4d1ccf4c87..03e26e8d0ec9 100644
--- a/net/sched/sch_api.c
+++ b/net/sched/sch_api.c
@@ -758,8 +758,7 @@ static u32 qdisc_alloc_handle(struct net_device *dev)
return 0;
}
-void qdisc_tree_reduce_backlog(struct Qdisc *sch, unsigned int n,
- unsigned int len)
+void qdisc_tree_reduce_backlog(struct Qdisc *sch, int n, int len)
{
bool qdisc_is_offloaded = sch->flags & TCQ_F_OFFLOADED;
const struct Qdisc_class_ops *cops;
diff --git a/net/sched/sch_cake.c b/net/sched/sch_cake.c
index b910cd5c56f7..73940293700d 100644
--- a/net/sched/sch_cake.c
+++ b/net/sched/sch_cake.c
@@ -1667,7 +1667,7 @@ static s32 cake_enqueue(struct sk_buff *skb, struct Qdisc *sch,
if (skb_is_gso(skb) && q->rate_flags & CAKE_FLAG_SPLIT_GSO) {
struct sk_buff *segs, *nskb;
netdev_features_t features = netif_skb_features(skb);
- unsigned int slen = 0;
+ unsigned int slen = 0, numsegs = 0;
segs = skb_gso_segment(skb, features & ~NETIF_F_GSO_MASK);
if (IS_ERR_OR_NULL(segs))
@@ -1683,6 +1683,7 @@ static s32 cake_enqueue(struct sk_buff *skb, struct Qdisc *sch,
flow_queue_add(flow, segs);
sch->q.qlen++;
+ numsegs++;
slen += segs->len;
q->buffer_used += segs->truesize;
b->packets++;
@@ -1696,7 +1697,7 @@ static s32 cake_enqueue(struct sk_buff *skb, struct Qdisc *sch,
sch->qstats.backlog += slen;
q->avg_window_bytes += slen;
- qdisc_tree_reduce_backlog(sch, 1, len);
+ qdisc_tree_reduce_backlog(sch, 1-numsegs, len-slen);
consume_skb(skb);
} else {
/* not splitting */
diff --git a/net/sched/sch_cbs.c b/net/sched/sch_cbs.c
index e689e11b6d0f..c6a502933fe7 100644
--- a/net/sched/sch_cbs.c
+++ b/net/sched/sch_cbs.c
@@ -88,13 +88,14 @@ static int cbs_child_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct Qdisc *child,
struct sk_buff **to_free)
{
+ unsigned int len = qdisc_pkt_len(skb);
int err;
err = child->ops->enqueue(skb, child, to_free);
if (err != NET_XMIT_SUCCESS)
return err;
- qdisc_qstats_backlog_inc(sch, skb);
+ sch->qstats.backlog += len;
sch->q.qlen++;
return NET_XMIT_SUCCESS;
diff --git a/net/sched/sch_drr.c b/net/sched/sch_drr.c
index cdebaed0f8cf..09b800991065 100644
--- a/net/sched/sch_drr.c
+++ b/net/sched/sch_drr.c
@@ -350,9 +350,11 @@ static struct drr_class *drr_classify(struct sk_buff *skb, struct Qdisc *sch,
static int drr_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
+ unsigned int len = qdisc_pkt_len(skb);
struct drr_sched *q = qdisc_priv(sch);
struct drr_class *cl;
int err = 0;
+ bool first;
cl = drr_classify(skb, sch, &err);
if (cl == NULL) {
@@ -362,6 +364,7 @@ static int drr_enqueue(struct sk_buff *skb, struct Qdisc *sch,
return err;
}
+ first = !cl->qdisc->q.qlen;
err = qdisc_enqueue(skb, cl->qdisc, to_free);
if (unlikely(err != NET_XMIT_SUCCESS)) {
if (net_xmit_drop_count(err)) {
@@ -371,12 +374,12 @@ static int drr_enqueue(struct sk_buff *skb, struct Qdisc *sch,
return err;
}
- if (cl->qdisc->q.qlen == 1) {
+ if (first) {
list_add_tail(&cl->alist, &q->active);
cl->deficit = cl->quantum;
}
- qdisc_qstats_backlog_inc(sch, skb);
+ sch->qstats.backlog += len;
sch->q.qlen++;
return err;
}
diff --git a/net/sched/sch_dsmark.c b/net/sched/sch_dsmark.c
index f6f480784bc6..42471464ded3 100644
--- a/net/sched/sch_dsmark.c
+++ b/net/sched/sch_dsmark.c
@@ -199,6 +199,7 @@ static struct tcf_block *dsmark_tcf_block(struct Qdisc *sch, unsigned long cl,
static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
+ unsigned int len = qdisc_pkt_len(skb);
struct dsmark_qdisc_data *p = qdisc_priv(sch);
int err;
@@ -271,7 +272,7 @@ static int dsmark_enqueue(struct sk_buff *skb, struct Qdisc *sch,
return err;
}
- qdisc_qstats_backlog_inc(sch, skb);
+ sch->qstats.backlog += len;
sch->q.qlen++;
return NET_XMIT_SUCCESS;
diff --git a/net/sched/sch_hfsc.c b/net/sched/sch_hfsc.c
index b18ec1f6de60..24cc220a3218 100644
--- a/net/sched/sch_hfsc.c
+++ b/net/sched/sch_hfsc.c
@@ -1539,8 +1539,10 @@ hfsc_dump_qdisc(struct Qdisc *sch, struct sk_buff *skb)
static int
hfsc_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
{
+ unsigned int len = qdisc_pkt_len(skb);
struct hfsc_class *cl;
int uninitialized_var(err);
+ bool first;
cl = hfsc_classify(skb, sch, &err);
if (cl == NULL) {
@@ -1550,6 +1552,7 @@ hfsc_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
return err;
}
+ first = !cl->qdisc->q.qlen;
err = qdisc_enqueue(skb, cl->qdisc, to_free);
if (unlikely(err != NET_XMIT_SUCCESS)) {
if (net_xmit_drop_count(err)) {
@@ -1559,9 +1562,7 @@ hfsc_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
return err;
}
- if (cl->qdisc->q.qlen == 1) {
- unsigned int len = qdisc_pkt_len(skb);
-
+ if (first) {
if (cl->cl_flags & HFSC_RSC)
init_ed(cl, len);
if (cl->cl_flags & HFSC_FSC)
@@ -1576,7 +1577,7 @@ hfsc_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
}
- qdisc_qstats_backlog_inc(sch, skb);
+ sch->qstats.backlog += len;
sch->q.qlen++;
return NET_XMIT_SUCCESS;
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index 58b449490757..30f9da7e1076 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -581,6 +581,7 @@ static int htb_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
int uninitialized_var(ret);
+ unsigned int len = qdisc_pkt_len(skb);
struct htb_sched *q = qdisc_priv(sch);
struct htb_class *cl = htb_classify(skb, sch, &ret);
@@ -610,7 +611,7 @@ static int htb_enqueue(struct sk_buff *skb, struct Qdisc *sch,
htb_activate(q, cl);
}
- qdisc_qstats_backlog_inc(sch, skb);
+ sch->qstats.backlog += len;
sch->q.qlen++;
return NET_XMIT_SUCCESS;
}
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index cdf68706e40f..847141cd900f 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c
@@ -72,6 +72,7 @@ prio_classify(struct sk_buff *skb, struct Qdisc *sch, int *qerr)
static int
prio_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
{
+ unsigned int len = qdisc_pkt_len(skb);
struct Qdisc *qdisc;
int ret;
@@ -88,7 +89,7 @@ prio_enqueue(struct sk_buff *skb, struct Qdisc *sch, struct sk_buff **to_free)
ret = qdisc_enqueue(skb, qdisc, to_free);
if (ret == NET_XMIT_SUCCESS) {
- qdisc_qstats_backlog_inc(sch, skb);
+ sch->qstats.backlog += len;
sch->q.qlen++;
return NET_XMIT_SUCCESS;
}
diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c
index dc37c4ead439..29f5c4a24688 100644
--- a/net/sched/sch_qfq.c
+++ b/net/sched/sch_qfq.c
@@ -1210,10 +1210,12 @@ static struct qfq_aggregate *qfq_choose_next_agg(struct qfq_sched *q)
static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
+ unsigned int len = qdisc_pkt_len(skb), gso_segs;
struct qfq_sched *q = qdisc_priv(sch);
struct qfq_class *cl;
struct qfq_aggregate *agg;
int err = 0;
+ bool first;
cl = qfq_classify(skb, sch, &err);
if (cl == NULL) {
@@ -1224,17 +1226,18 @@ static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch,
}
pr_debug("qfq_enqueue: cl = %x\n", cl->common.classid);
- if (unlikely(cl->agg->lmax < qdisc_pkt_len(skb))) {
+ if (unlikely(cl->agg->lmax < len)) {
pr_debug("qfq: increasing maxpkt from %u to %u for class %u",
- cl->agg->lmax, qdisc_pkt_len(skb), cl->common.classid);
- err = qfq_change_agg(sch, cl, cl->agg->class_weight,
- qdisc_pkt_len(skb));
+ cl->agg->lmax, len, cl->common.classid);
+ err = qfq_change_agg(sch, cl, cl->agg->class_weight, len);
if (err) {
cl->qstats.drops++;
return qdisc_drop(skb, sch, to_free);
}
}
+ gso_segs = skb_is_gso(skb) ? skb_shinfo(skb)->gso_segs : 1;
+ first = !cl->qdisc->q.qlen;
err = qdisc_enqueue(skb, cl->qdisc, to_free);
if (unlikely(err != NET_XMIT_SUCCESS)) {
pr_debug("qfq_enqueue: enqueue failed %d\n", err);
@@ -1245,16 +1248,17 @@ static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch,
return err;
}
- bstats_update(&cl->bstats, skb);
- qdisc_qstats_backlog_inc(sch, skb);
+ cl->bstats.bytes += len;
+ cl->bstats.packets += gso_segs;
+ sch->qstats.backlog += len;
++sch->q.qlen;
agg = cl->agg;
/* if the queue was not empty, then done here */
- if (cl->qdisc->q.qlen != 1) {
+ if (!first) {
if (unlikely(skb == cl->qdisc->ops->peek(cl->qdisc)) &&
list_first_entry(&agg->active, struct qfq_class, alist)
- == cl && cl->deficit < qdisc_pkt_len(skb))
+ == cl && cl->deficit < len)
list_move_tail(&cl->alist, &agg->active);
return err;
diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c
index 942dcca09cf2..7f272a9070c5 100644
--- a/net/sched/sch_tbf.c
+++ b/net/sched/sch_tbf.c
@@ -185,6 +185,7 @@ static int tbf_enqueue(struct sk_buff *skb, struct Qdisc *sch,
struct sk_buff **to_free)
{
struct tbf_sched_data *q = qdisc_priv(sch);
+ unsigned int len = qdisc_pkt_len(skb);
int ret;
if (qdisc_pkt_len(skb) > q->max_size) {
@@ -200,7 +201,7 @@ static int tbf_enqueue(struct sk_buff *skb, struct Qdisc *sch,
return ret;
}
- qdisc_qstats_backlog_inc(sch, skb);
+ sch->qstats.backlog += len;
sch->q.qlen++;
return NET_XMIT_SUCCESS;
}