netdev - Re: Bug in skb_segment: fskb->len != len

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Message-ID: <1383107858.4857.35.camel@edumazet-glaptop.roam.corp.google.com>
Date:	Tue, 29 Oct 2013 21:37:38 -0700
From:	Eric Dumazet <eric.dumazet@...il.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	Christoph Paasch <christoph.paasch@...ouvain.be>,
	netdev <netdev@...r.kernel.org>
Subject: Re: Bug in skb_segment: fskb->len != len

On Wed, 2013-10-30 at 12:06 +0800, Herbert Xu wrote:

> In that case we should be able to segment these full-sized skbs
> without linearising.  What we should do is iterate through
> each frag_list entry and apply the usual GSO code to them.

Well, if you really want to be smart, we could build GSO packets of ~16
MSS, as most NIC support TSO.

So a 64K packet containing 44 MSS could be split into 3 TSO packets.



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