netdev - Re: iproute2 / tbf with large burst seems broken again

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Message-ID: <20090825090035.GB7879@ff.dom.local>
Date:	Tue, 25 Aug 2009 09:00:35 +0000
From:	Jarek Poplawski <jarkao2@...il.com>
To:	Denys Fedoryschenko <denys@...p.net.lb>
Cc:	netdev@...r.kernel.org
Subject: Re: iproute2 / tbf with large burst seems broken again

On Tue, Aug 25, 2009 at 08:43:06AM +0000, Jarek Poplawski wrote:
...
> since these 64 bits will be needed soon for higher rates anyway, I
> guess we could try some change like the patch below, if you find it
> works for you (I didn't test it yet.)

Hmm... Don't bother testing it! There is needed something more...

Jarek P.

> ---
> 
>  net/sched/sch_tbf.c |    4 ++--
>  1 files changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/net/sched/sch_tbf.c b/net/sched/sch_tbf.c
> index e22dfe8..2c74450 100644
> --- a/net/sched/sch_tbf.c
> +++ b/net/sched/sch_tbf.c
> @@ -160,8 +160,8 @@ static struct sk_buff *tbf_dequeue(struct Qdisc* sch)
>  
>  	if (skb) {
>  		psched_time_t now;
> -		long toks;
> -		long ptoks = 0;
> +		long long toks;
> +		long long ptoks = 0;
>  		unsigned int len = qdisc_pkt_len(skb);
>  
>  		now = psched_get_time();
> 
> 
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