netdev - Re: tbench wrt. loopback TSO

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Date:	Wed, 05 Nov 2008 03:54:54 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	zbr@...emap.net
Cc:	ilpo.jarvinen@...sinki.fi, netdev@...r.kernel.org, efault@....de,
	mingo@...e.hu, a.p.zijlstra@...llo.nl, herbert@...dor.apana.org.au
Subject: Re: tbench wrt. loopback TSO

From: Evgeniy Polyakov <zbr@...emap.net>
Date: Wed, 5 Nov 2008 14:49:00 +0300

> But what if we just remove that trimming at all? This may result in
> a not fully filled tso frame, but who cares if we copy data from
> userspace anyway, will add another potentially small copy at sending
> time?

Ok, the only part I care about is whether taking away this modulus
will result in a sub-MSS sized packet on the wire, which is
undesirable.

The send logic will prevent this, right?

If so, yes I agree, we can delete this.
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