linux-kernel - Re: skbuff truesize incorrect.

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Message-ID: <1400788778.5367.163.camel@edumazet-glaptop2.roam.corp.google.com>
Date:	Thu, 22 May 2014 12:59:38 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Jim Baxter <jim_baxter@...tor.com>
Cc:	Vlad Yasevich <vyasevich@...il.com>, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"David S. Miller" <davem@...emloft.net>, kamal@...onical.com,
	Ben Hutchings <bhutchings@...arflare.com>, edumazet@...gle.com,
	mszeredi@...e.cz, fw@...len.de
Subject: Re: skbuff truesize incorrect.

On Thu, 2014-05-22 at 20:39 +0100, Jim Baxter wrote:

> I now think that the correct solution here is to create a new smaller
> skb and copy the data from the sub packets into it.

For low speed devices, this is indeed the best way.

(this is called copybreak in some nic drivers)



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