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sch_netem: more precise length of packets

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With TSO/GSO/GRO packets, skb->len doesn't represent
a precise amount of bytes on wire.
This patch replace skb->len with qdisc_pkt_len(skb)
which is more precise.

Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Acked-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Yang Yingliang 2013-12-25 17:35:14 +08:00 • committed by David S. Miller
commit 8cfd88d6d7
1 changed files with 1 additions and 1 deletions
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2
net/sched/sch_netem.c
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@ -495,7 +495,7 @@ static int netem_enqueue(struct sk_buff *skb, struct Qdisc *sch)
now = netem_skb_cb(last)->time_to_send;
}
delay += packet_len_2_sched_time(skb->len, q);
delay += packet_len_2_sched_time(qdisc_pkt_len(skb), q);
}
cb->time_to_send = now + delay;