netdev - Re: tcp: Do not apply TSO segment limit to non-TSO packets

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Message-ID: <1796122.bgT3lt9UAo@storm>
Date:	Fri, 16 Jan 2015 12:03:24 +0100
From:	Thomas Jarosch <thomas.jarosch@...ra2net.com>
To:	Herbert Xu <herbert@...dor.apana.org.au>
Cc:	netdev@...r.kernel.org, edumazet@...gle.com,
	Steffen Klassert <steffen.klassert@...unet.com>,
	Ben Hutchings <bhutchings@...arflare.com>,
	"David S. Miller" <davem@...emloft.net>
Subject: Re: tcp: Do not apply TSO segment limit to non-TSO packets

On Friday, 16. January 2015 21:50:13 Herbert Xu wrote:
> On Fri, Jan 16, 2015 at 11:45:44AM +0100, Thomas Jarosch wrote:
> > For backporting to -stable: Kernel 3.14 lacks tcp_tso_autosize().
> > So I've borrowed that from 3.19-rc4+ and also added the max_segs
> > variable.
> > The final and tested code looks like this:
> You don't need tcp_tso_autosize.  Instead of testing max_segs just
> test sk->sk_gso_max_segs.

splendid, even better. tcpdump looks good, too. Thanks!

Thomas

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