[PATCH net-next 1/1] sched: Use __qdisc_drop instead of kfree_skb in sch_prio and sch_qfq
From: <hidden>
Date: 2017-09-04 06:24:23
Subsystem:
networking [general], tc subsystem, the rest · Maintainers:
"David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Jamal Hadi Salim, Jiri Pirko, Linus Torvalds
From: Gao Feng <redacted>
The commit 520ac30f4551 ("net_sched: drop packets after root qdisc lock
is released) made a big change of tc for performance. There are two points
left in sch_prio and sch_qfq which are not changed with that commit. Now
enhance them now with __qdisc_drop.
Signed-off-by: Gao Feng <redacted>
---
net/sched/sch_prio.c | 2 +-
net/sched/sch_qfq.c | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/net/sched/sch_prio.c b/net/sched/sch_prio.c
index f31b28f..2dd6c68 100644
--- a/net/sched/sch_prio.c
+++ b/net/sched/sch_prio.c@@ -80,7 +80,7 @@ struct prio_sched_data { if (ret & __NET_XMIT_BYPASS) qdisc_qstats_drop(sch); - kfree_skb(skb); + __qdisc_drop(skb, to_free); return ret; } #endif
diff --git a/net/sched/sch_qfq.c b/net/sched/sch_qfq.c
index cd661a7..6ddfd49 100644
--- a/net/sched/sch_qfq.c
+++ b/net/sched/sch_qfq.c@@ -1215,7 +1215,7 @@ static int qfq_enqueue(struct sk_buff *skb, struct Qdisc *sch, if (cl == NULL) { if (err & __NET_XMIT_BYPASS) qdisc_qstats_drop(sch); - kfree_skb(skb); + __qdisc_drop(skb, to_free); return err; } pr_debug("qfq_enqueue: cl = %x\n", cl->common.classid);
--
1.9.1