From: soyoung@taonetworks.com
To: lartc@vger.kernel.org
Subject: Re: [LARTC] [Q]About Using TC in MPC8250
Date: Wed, 23 Apr 2003 06:05:14 +0000 [thread overview]
Message-ID: <marc-lartc-105107800430212@msgid-missing> (raw)
In-Reply-To: <marc-lartc-105101042000663@msgid-missing>
MPC8250 is a CPU name produced by Motorola.
It is a kind of Motorola PowerPC processor. Linux can run on the MPC8250.
Every kernel functions regarding to TC CBQ looks working -
I followed the CBQ kernel code step by step and found no problems.
But the bandwidth I allocated is not guaranteed.
I think it is related to CPU characteristics,
but I don't have any specific knowledge about it.
I don't think the script is wrong, 'cause I used that script for other
linux (running on normal i386 machine) and it works good.
Anyway here is a script.
--
/sbin/tc qdisc del dev eth1 root handle 1:
/sbin/tc qdisc add dev eth1 root handle 1: cbq bandwidth 102400Kbit avpkt 1500 cell 8
/sbin/tc class add dev eth1 parent 1: classid 1:2 cbq bandwidth 102400Kbit rate 102Kbit allot 1514 cell 8 weight 10Kbit prio 3 maxburst 16 avpkt 1500 bounded
/sbin/tc filter add dev eth1 parent 1: protocol ip prio 3 u32 match ip src 10.0.10.72 match ip dst 10.0.0.47 flowid 1:2
On Tue, Apr 22, 2003 at 01:26:18PM +0200, Stef Coene wrote:
> On Tuesday 22 April 2003 13:18, soyoung@taonetworks.com wrote:
> > Hi,
> >
> > I'm running Linux 2.4.17 on MPC8250 CPU for bandwidth management with TC
> > CBQ. All the functions in CBQ looks working - including TC,
> > but the class can't use its allocated bandwidth,
> > so I can't use bandwidth management with TC on MPC8250.
> Can you be more specific? What's your script? How did you test it?
>
> > No external error founds when running TC.
> > I think the correctness for calculating bandwidth in each class is the
> > problem.
> >
> > Is there anyone who has run CBQ in TC on MPC8250? or do you have some good
> > idea to solve this problem?
> What's "MPC8250" ??
>
> Stef
>
> --
>
> stef.coene@docum.org
> "Using Linux as bandwidth manager"
> http://www.docum.org/
> #lartc @ irc.oftc.net
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prev parent reply other threads:[~2003-04-23 6:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-22 11:18 [LARTC] [Q]About Using TC in MPC8250 soyoung
2003-04-22 11:26 ` Stef Coene
2003-04-22 12:27 ` Christoph Moench-Tegeder
2003-04-22 14:26 ` Stef Coene
2003-04-23 6:05 ` soyoung [this message]
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