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Diffstat (limited to 'net/sched/sch_netem.c')
-rw-r--r--net/sched/sch_netem.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/net/sched/sch_netem.c b/net/sched/sch_netem.c
index c412ad0d0308..298c0ddfb57e 100644
--- a/net/sched/sch_netem.c
+++ b/net/sched/sch_netem.c
@@ -380,7 +380,14 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch)
return NET_XMIT_SUCCESS | __NET_XMIT_BYPASS;
}
- skb_orphan(skb);
+ /* If a delay is expected, orphan the skb. (orphaning usually takes
+ * place at TX completion time, so _before_ the link transit delay)
+ * Ideally, this orphaning should be done after the rate limiting
+ * module, because this breaks TCP Small Queue, and other mechanisms
+ * based on socket sk_wmem_alloc.
+ */
+ if (q->latency || q->jitter)
+ skb_orphan(skb);
/*
* If we need to duplicate packet, then re-insert at top of the