netdev - Re: [PATCH v2 net-next] fq_codel: Fair Queue Codel AQM

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Date:	Sat, 12 May 2012 00:16:16 +0200
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Changli Gao <xiaosuo@...il.com>
Cc:	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>,
	Dave Taht <dave.taht@...ferbloat.net>,
	Kathleen Nichols <nichols@...lere.com>,
	Van Jacobson <van@...lere.net>,
	Tom Herbert <therbert@...gle.com>,
	Matt Mathis <mattmathis@...gle.com>,
	Yuchung Cheng <ycheng@...gle.com>,
	Stephen Hemminger <shemminger@...tta.com>,
	Maciej Żenczykowski <maze@...gle.com>,
	Nandita Dukkipati <nanditad@...gle.com>
Subject: Re: [PATCH v2 net-next] fq_codel: Fair Queue Codel AQM

On Fri, 2012-05-11 at 21:30 +0200, Eric Dumazet wrote:
> From: Eric Dumazet <edumazet@...gle.com>

...

> +static int fq_codel_dump_class_stats(struct Qdisc *sch, unsigned long cl,
> +				     struct gnet_dump *d)
> +{
> +	struct fq_codel_sched_data *q = qdisc_priv(sch);
> +	u32 idx = cl - 1;
> +	struct gnet_stats_queue qs = { 0 };
> +	struct tc_fq_codel_xstats xstats;
> +
> +	WARN_ON_ONCE(1);
> +	if (idx < q->flows_cnt) {
> +		const struct fq_codel_flow *flow = &q->flows[idx];
> +		const struct sk_buff *skb = flow->head;

Oh well, I forgot to remove this WARN_ON_ONCE(1)



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