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Diffstat (limited to 'net/sched/sch_htb.c')
-rw-r--r--net/sched/sch_htb.c24
1 files changed, 16 insertions, 8 deletions
diff --git a/net/sched/sch_htb.c b/net/sched/sch_htb.c
index a454605ab5cb..ba098f2654b4 100644
--- a/net/sched/sch_htb.c
+++ b/net/sched/sch_htb.c
@@ -117,7 +117,6 @@ struct htb_class {
* Written often fields
*/
struct gnet_stats_basic_packed bstats;
- struct gnet_stats_queue qstats;
struct tc_htb_xstats xstats; /* our special stats */
/* token bucket parameters */
@@ -140,6 +139,8 @@ struct htb_class {
enum htb_cmode cmode; /* current mode of the class */
struct rb_node pq_node; /* node for event queue */
struct rb_node node[TC_HTB_NUMPRIO]; /* node for self or feed tree */
+
+ unsigned int drops ____cacheline_aligned_in_smp;
};
struct htb_level {
@@ -569,7 +570,8 @@ static inline void htb_deactivate(struct htb_sched *q, struct htb_class *cl)
list_del_init(&cl->un.leaf.drop_list);
}
-static int htb_enqueue(struct sk_buff *skb, struct Qdisc *sch)
+static int htb_enqueue(struct sk_buff *skb, struct Qdisc *sch,
+ struct sk_buff **to_free)
{
int uninitialized_var(ret);
struct htb_sched *q = qdisc_priv(sch);
@@ -581,19 +583,20 @@ static int htb_enqueue(struct sk_buff *skb, struct Qdisc *sch)
__skb_queue_tail(&q->direct_queue, skb);
q->direct_pkts++;
} else {
- return qdisc_drop(skb, sch);
+ return qdisc_drop(skb, sch, to_free);
}
#ifdef CONFIG_NET_CLS_ACT
} else if (!cl) {
if (ret & __NET_XMIT_BYPASS)
qdisc_qstats_drop(sch);
- kfree_skb(skb);
+ __qdisc_drop(skb, to_free);
return ret;
#endif
- } else if ((ret = qdisc_enqueue(skb, cl->un.leaf.q)) != NET_XMIT_SUCCESS) {
+ } else if ((ret = qdisc_enqueue(skb, cl->un.leaf.q,
+ to_free)) != NET_XMIT_SUCCESS) {
if (net_xmit_drop_count(ret)) {
qdisc_qstats_drop(sch);
- cl->qstats.drops++;
+ cl->drops++;
}
return ret;
} else {
@@ -1108,17 +1111,22 @@ static int
htb_dump_class_stats(struct Qdisc *sch, unsigned long arg, struct gnet_dump *d)
{
struct htb_class *cl = (struct htb_class *)arg;
+ struct gnet_stats_queue qs = {
+ .drops = cl->drops,
+ };
__u32 qlen = 0;
- if (!cl->level && cl->un.leaf.q)
+ if (!cl->level && cl->un.leaf.q) {
qlen = cl->un.leaf.q->q.qlen;
+ qs.backlog = cl->un.leaf.q->qstats.backlog;
+ }
cl->xstats.tokens = PSCHED_NS2TICKS(cl->tokens);
cl->xstats.ctokens = PSCHED_NS2TICKS(cl->ctokens);
if (gnet_stats_copy_basic(qdisc_root_sleeping_running(sch),
d, NULL, &cl->bstats) < 0 ||
gnet_stats_copy_rate_est(d, NULL, &cl->rate_est) < 0 ||
- gnet_stats_copy_queue(d, NULL, &cl->qstats, qlen) < 0)
+ gnet_stats_copy_queue(d, NULL, &qs, qlen) < 0)
return -1;
return gnet_stats_copy_app(d, &cl->xstats, sizeof(cl->xstats));