On Wed, 30 Mar 2005 10:05:04 -0800 (PST)
js si <[EMAIL PROTECTED]> wrote:
> hi
>
> i tried the example given on the examples page to
> duplicate selected traffic like
>
> tc qdisc add dev eth0 root handle 1: prio
> tc qdisc add dev eth0 parent 1:3 handle 3: netem
> duplicate 40%
> tc filter add dev eth0 protocol ip parent 1:0 prio 3
> u32 match ip dst 11.0.2.2 flowid 1:3
>
Try this. qdisc_restart() has a bug. It will spin until packet becomes
available, which
is wrong. This effects both netem and tbf, maybe other qdisc as well.
--- linux-2.6/net/sched/sch_generic.c 2005-03-14 14:30:52.000000000 -0800
+++ tcp-2.6/net/sched/sch_generic.c 2005-04-04 10:28:31.000000000 -0700
@@ -176,10 +176,10 @@ int qdisc_restart(struct net_device *dev
requeue:
q->ops->requeue(skb, q);
- netif_schedule(dev);
- return 1;
+ netif_schedule(dev);
+ return q->q.qlen;
}
- return q->q.qlen;
+ return 0;
}
static void dev_watchdog(unsigned long arg)
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