From: Stephen Hemminger <shemminger@linux-foundation.org>
To: "Петухов Дмитрий" <d.petuhov@electro-com.ru>
Cc: netdev@vger.kernel.org
Subject: Re: Iproute2 tc pfifo_fast not work
Date: Thu, 4 Mar 2010 08:40:16 -0800 [thread overview]
Message-ID: <20100304084016.052a7044@nehalam> (raw)
In-Reply-To: <4B8F7537.7090008@electro-com.ru>
On Thu, 04 Mar 2010 11:54:15 +0300
Петухов Дмитрий <d.petuhov@electro-com.ru> wrote:
> Hi Stephen.
>
> I've found that I can't add pfifo_fast qdisc to my tc class tree. It
> just says:
> -----------
> # /sbin/tc qdisc add dev eth3 parent 2:299B handle 299B: pfifo_fast
> qdisc 'pfifo_fast' does not support option parsing
> -----------
> And nothing else happends.
> strace /sbin/tc qdisc add dev eth3 parent 2:299B handle 299B: pfifo_fast
> &> tc_pfifo_strace.txt
> attached.
>
> Kernel version 2.6.31, .config attached.
> tc version 2.6.31.
>
> I do something wrong or this is a bug?
no
> For now I've switched to PRIO QDISC which seems to work fine, but it
> would be great to use lithweigth pfifo_fast instead of prio...
pfifo_fast is very limited to being just a root qdisc, and with no
children. If you want to do the same thing but in other context
just use pfifo.
prev parent reply other threads:[~2010-03-04 16:40 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-04 8:54 Iproute2 tc pfifo_fast not work Петухов Дмитрий
2010-03-04 16:40 ` Stephen Hemminger [this message]
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