From: Eric Dumazet <eric.dumazet@gmail.com>
To: Ryousei Takano <ryousei@gmail.com>
Cc: Stephen Hemminger <shemminger@vyatta.com>,
Patrick McHardy <kaber@trash.net>,
Linux Netdev List <netdev@vger.kernel.org>,
takano-ryousei@aist.go.jp
Subject: Re: HTB accuracy on 10GbE
Date: Thu, 05 Nov 2009 08:10:00 +0100 [thread overview]
Message-ID: <4AF27A48.4090001@gmail.com> (raw)
In-Reply-To: <b30d1c3b0911042308n616bc360v7b96b6543029f232@mail.gmail.com>
Ryousei Takano a écrit :
> In my experiment, it is not very big problem. I do not send short packets.
> I got the almost same result in the both cases "mtu 64000" and "mtu
> 40000 quantum 60000".
>
> Anyway, setting larger mtu size than the physical mtu does not quiet make sense.
>
tc class mtu is a hint given to stack, about average packet size, ie not
related to physical MTU (because of TSO)
You could use same mtu, but disable tso on device
next prev parent reply other threads:[~2009-11-05 7:10 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-11-02 7:22 HTB accuracy on 10GbE Ryousei Takano
2009-11-02 8:17 ` Badalian Vyacheslav
2009-11-02 15:43 ` Patrick McHardy
2009-11-02 20:53 ` Stephen Hemminger
2009-11-03 7:43 ` Badalian Vyacheslav
2009-11-03 9:33 ` Jarek Poplawski
2009-11-03 10:13 ` Badalian Vyacheslav
2009-11-03 10:54 ` Jarek Poplawski
2009-11-03 11:13 ` Badalian Vyacheslav
2009-11-04 3:13 ` Ryousei Takano
2009-11-04 3:45 ` Ryousei Takano
2009-11-04 5:03 ` Eric Dumazet
2009-11-04 5:27 ` Eric Dumazet
2009-11-04 8:19 ` Ryousei Takano
2009-11-04 11:31 ` Eric Dumazet
2009-11-04 13:39 ` Jarek Poplawski
2009-11-04 16:31 ` Ryousei Takano
2009-11-04 17:03 ` Eric Dumazet
2009-11-05 7:08 ` Ryousei Takano
2009-11-05 7:10 ` Eric Dumazet [this message]
2009-11-05 10:15 ` Ryousei Takano
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