From: Patrick McHardy <kaber@trash.net>
To: Stephen Hemminger <shemminger@vyatta.com>
Cc: Eric Dumazet <eric.dumazet@gmail.com>,
David Miller <davem@davemloft.net>,
netdev@vger.kernel.org
Subject: Re: [PATCH] CHOKe flow scheduler (0.8)
Date: Fri, 14 Jan 2011 14:54:32 +0100 [thread overview]
Message-ID: <4D305598.1010207@trash.net> (raw)
In-Reply-To: <20110113153436.70d3c0a3@s6510>
On 14.01.2011 00:34, Stephen Hemminger wrote:
> +static int choke_enqueue(struct sk_buff *skb, struct Qdisc *sch)
> +{
> ...
> + /* Is queue small? */
> + if (p->qavg <= p->qth_min)
> + p->qcount = -1;
> + else {
> + struct sk_buff *oskb;
> + unsigned int idx;
> +
> + /* Draw a packet at random from queue */
> + oskb = choke_peek_random(sch, &idx);
> +
> + /* Both packets from same flow ? */
> + if (*(unsigned int *)(qdisc_skb_cb(oskb)->data) == hash) {
> + /* Drop both packets */
> + q->stats.matched++;
> + choke_drop_by_idx(q, idx);
> + sch->qstats.backlog -= qdisc_pkt_len(skb);
> + --sch->q.qlen;
> + qdisc_drop(oskb, sch);
You need to adjust the qlen values of parent qdiscs by calling
qdisc_tree_decrease_qlen(), they are not aware that a second
packet has been dropped.
> + goto congestion_drop;
> + }
> +
next prev parent reply other threads:[~2011-01-14 13:54 UTC|newest]
Thread overview: 26+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-13 17:27 [PATCH] CHOKe flow scheduler (0.7) Stephen Hemminger
2011-01-13 17:48 ` [PATCH] CHOKe flow scheduler (iproute) Stephen Hemminger
2011-01-13 21:01 ` Eric Dumazet
2011-01-13 18:00 ` [PATCH] CHOKe flow scheduler (0.7) Eric Dumazet
2011-01-13 18:02 ` Eric Dumazet
2011-01-13 20:37 ` Eric Dumazet
2011-01-13 23:34 ` [PATCH] CHOKe flow scheduler (0.8) Stephen Hemminger
2011-01-14 3:29 ` Eric Dumazet
2011-01-14 3:34 ` Eric Dumazet
2011-01-14 3:58 ` Eric Dumazet
2011-01-14 11:32 ` Eric Dumazet
2011-01-14 13:54 ` Patrick McHardy [this message]
2011-01-14 13:55 ` Patrick McHardy
2011-01-14 14:24 ` Eric Dumazet
2011-01-14 23:45 ` [PATCH] CHOKe flow scheduler (0.9) Stephen Hemminger
2011-01-15 7:45 ` Eric Dumazet
2011-01-17 17:25 ` Stephen Hemminger
2011-01-17 17:54 ` Eric Dumazet
2011-01-18 19:06 ` Stephen Hemminger
2011-01-18 19:34 ` Eric Dumazet
2011-01-20 17:38 ` [PATCH] CHOKe flow scheduler (0.10) Stephen Hemminger
2011-01-20 18:19 ` Eric Dumazet
2011-01-20 22:46 ` Eric Dumazet
2011-02-03 1:21 ` [PATCH net-next] CHOKe flow scheduler (0.11) Stephen Hemminger
2011-02-03 1:59 ` Eric Dumazet
2011-02-03 4:53 ` David Miller
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