From: Stephen Hemminger <shemminger@vyatta.com>
To: Eric Dumazet <eric.dumazet@gmail.com>
Cc: David Miller <davem@davemloft.net>,
Juliusz Chroboczek <Juliusz.Chroboczek@pps.jussieu.fr>,
"John W. Linville" <linville@tuxdriver.com>,
Patrick McHardy <kaber@trash.net>,
netdev <netdev@vger.kernel.org>, Andi Kleen <andi@firstfloor.org>
Subject: Re: [PATCH net-next-2.6 v3] net_sched: SFB flow scheduler
Date: Wed, 23 Feb 2011 07:43:05 -0800 [thread overview]
Message-ID: <20110223074305.755c5713@nehalam> (raw)
In-Reply-To: <1298474091.3301.364.camel@edumazet-laptop>
On Wed, 23 Feb 2011 16:14:51 +0100
Eric Dumazet <eric.dumazet@gmail.com> wrote:
> 1) SFB default child qdisc is pfifo_fast. It can be changed by another
> qdisc but a child qdisc MUST not drop a packet previously queued. This
> is because SFB needs to handle a dequeued packet in order to maintain
> its virtual queue states. pfifo_head_drop or CHOKe should not be used.
Why not add a flag field to Qdisc_ops and to mark qdisc's that
are (or not) work conserving?
--
next prev parent reply other threads:[~2011-02-23 15:43 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20110221160306.GA9650@tuxdriver.com>
[not found] ` <1298308283.2849.5.camel@edumazet-laptop>
[not found] ` <1298390536.2861.9.camel@edumazet-laptop>
2011-02-23 15:14 ` [PATCH net-next-2.6 v3] net_sched: SFB flow scheduler Eric Dumazet
2011-02-23 15:43 ` Stephen Hemminger [this message]
2011-02-23 16:13 ` Eric Dumazet
2011-02-23 16:20 ` Patrick McHardy
2011-02-23 16:24 ` Patrick McHardy
2011-02-23 16:48 ` Eric Dumazet
2011-02-23 16:58 ` Patrick McHardy
2011-02-23 17:16 ` Eric Dumazet
2011-02-23 17:05 ` [PATCH] net_sched: long word align struct qdisc_skb_cb data Eric Dumazet
2011-02-23 17:30 ` Stephen Hemminger
2011-02-23 22:17 ` David Miller
2011-02-23 20:56 ` [PATCH net-next-2.6 v4] net_sched: SFB flow scheduler Eric Dumazet
2011-02-23 21:11 ` Stephen Hemminger
2011-02-23 21:28 ` Eric Dumazet
2011-02-23 21:30 ` David Miller
2011-02-23 22:06 ` David Miller
2011-02-24 5:40 ` Eric Dumazet
2011-02-24 6:51 ` Stephen Hemminger
2011-02-24 7:14 ` Eric Dumazet
2011-02-24 7:18 ` Eric Dumazet
2011-03-24 17:44 ` [PATCH iproute2] tc : " Eric Dumazet
2011-03-24 21:59 ` Stephen Hemminger
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