netdev - Re: [PATCH net] l2tp: define SOL

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Date:   Fri, 7 Apr 2017 09:48:41 +0200
From:   Guillaume Nault <g.nault@...halink.fr>
To:     David Miller <davem@...emloft.net>
Cc:     netdev@...r.kernel.org, jchapman@...alix.com
Subject: Re: [PATCH net] l2tp: define SOL_PPPOL2TP in uapi

On Thu, Apr 06, 2017 at 01:25:34PM -0700, David Miller wrote:
> From: Guillaume Nault <g.nault@...halink.fr>
> Date: Wed, 5 Apr 2017 16:52:35 +0200
> 
> > Userspace needs SOL_PPPOL2TP to be defined for using PPPOL2TP_SO_*
> > socket options.
> > 
> > Signed-off-by: Guillaume Nault <g.nault@...halink.fr>
> 
> We really can't do this, there is no precedence for defining the SOL_*
> values in the kernel headers, it needs to come from the libc headers just
> like the other SOL_* values do for applications.
> 
Got it, thanks.