netdev - Re: [PATCH] Disable TSO for non standard qdiscs

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Message-ID: <47A39606.4090401@hp.com>
Date:	Fri, 01 Feb 2008 13:58:30 -0800
From:	Rick Jones <rick.jones2@...com>
To:	Andi Kleen <andi@...stfloor.org>
CC:	netdev@...r.kernel.org, davem@...emloft.net
Subject: Re: [PATCH] Disable TSO for non standard qdiscs

>>Does this also imply that JumboFrames interacts badly with these qdiscs? 
>> Or IPoIB with its 65000ish byte MTU?
> 
> 
> Correct. Of course it is always relative to the link speed. So if your
> link is 10x faster and your packets 10x bigger you can get similarly
> smooth shaping.

If the later-in-thread mentioned person shaping for their DSL line 
happens to have enabled JumboFrames on their GbE network, will/should 
the qdisc negate that?  Or is the qdisc currently assuming that the 
remote end of the DSL will have asked for a smaller MSS?

rick jones
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