netdev - Re: [PATCH] tcp: splice as many packets as possible at once

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Date:	Tue, 20 Jan 2009 08:24:43 +1100
From:	Herbert Xu <herbert@...dor.apana.org.au>
To:	David Miller <davem@...emloft.net>
Cc:	w@....eu, jarkao2@...il.com, zbr@...emap.net, dada1@...mosbay.com,
	ben@...s.com, mingo@...e.hu, linux-kernel@...r.kernel.org,
	netdev@...r.kernel.org, jens.axboe@...cle.com
Subject: Re: [PATCH] tcp: splice as many packets as possible at once

On Mon, Jan 19, 2009 at 12:59:41PM -0800, David Miller wrote:
.
> And the difference between 64 and IPV4+TCP header len becomes the
> payload, don't you see? :-)
> 
> myri10ge just pulls min(64, skb->len) bytes from the SKB frags into
> the linear area, unconditionally.  So a small number of payload bytes
> can in fact end up there.

Ah, I thought they were doing a precise division.  Yes pulling
a constant length will trigger it if it's big enough.

Cheers,
-- 
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Email: Herbert Xu ~{PmV>HI~} <herbert@...dor.apana.org.au>
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