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Re: TSO + e1000

To: Herbert Xu <herbert@xxxxxxxxxxxxxxxxxxx>
Subject: Re: TSO + e1000
From: Anton Blanchard <anton@xxxxxxxxx>
Date: Mon, 6 Dec 2004 12:43:49 +1100
Cc: netdev@xxxxxxxxxxx, ganesh.venkatesan@xxxxxxxxx, jesse.brandeburg@xxxxxxxxx, john.ronciak@xxxxxxxxx
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> > Now if we do a single direction test it takes forever for TSO to kick
> > in. At the moment Im not sure why this is happening, tcp_current_mss
> > seems to grow correctly in both cases. Is there somewhere else we are
> > capping TSO packets?
> 
> What call does your application use to do the sending?

Just doing big writes:

send(4, " !\"#$%&\'()*+,-./0123456789:;<=>?"..., 262144, 0) = 262144

Anton

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