netdev - Re: [PATCH] add a sysctl to disable TCP simultaneous connection opening

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Message-ID: <20081008122645.GB28783@1wt.eu>
Date:	Wed, 8 Oct 2008 14:26:46 +0200
From:	Willy Tarreau <w@....eu>
To:	Pavel Emelyanov <xemul@...nvz.org>
Cc:	David Miller <davem@...emloft.net>, netdev@...r.kernel.org
Subject: Re: [PATCH] add a sysctl to disable TCP simultaneous connection opening

Hi Pavel,

On Wed, Oct 08, 2008 at 04:16:44PM +0400, Pavel Emelyanov wrote:
> > diff --git a/include/linux/sysctl.h b/include/linux/sysctl.h
> > index d0437f3..0e23062 100644
> > --- a/include/linux/sysctl.h
> > +++ b/include/linux/sysctl.h
> > @@ -435,6 +435,7 @@ enum
> >  	NET_TCP_ALLOWED_CONG_CONTROL=123,
> >  	NET_TCP_MAX_SSTHRESH=124,
> >  	NET_TCP_FRTO_RESPONSE=125,
> > +	NET_TCP_SIMULT_CONNECT=126,
> 
> Minor - sysctl syscall (as long as numbers and ->strategy callbacks) are
> about to be removed some time, so new sysctls are to be CTL_UNNUMBERED.

I noticed that one in the two latest UDP sysctls, but was not aware of the
rules related to its use. Given the number of unconverted sysctls, is it
worth changing it now ?

Willy

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