netdev - Re: [PATCH net] net: Clear local_df only if crossing namespace.

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Message-ID: <20140212233518.GG11150@order.stressinduktion.org>
Date:	Thu, 13 Feb 2014 00:35:18 +0100
From:	Hannes Frederic Sowa <hannes@...essinduktion.org>
To:	Nicolas Dichtel <nicolas.dichtel@...nd.com>
Cc:	Pravin Shelar <pshelar@...ira.com>,
	David Miller <davem@...emloft.net>,
	netdev <netdev@...r.kernel.org>,
	"Templin, Fred L" <Fred.L.Templin@...ing.com>,
	Steffen Klassert <steffen.klassert@...unet.com>
Subject: Re: [PATCH net] net: Clear local_df only if crossing namespace.

On Wed, Feb 12, 2014 at 10:32:49AM +0100, Nicolas Dichtel wrote:
> Le 12/02/2014 05:26, Pravin Shelar a écrit :
> >On Mon, Feb 10, 2014 at 6:11 PM, Hannes Frederic Sowa
> >I am not sure why the caller can not just set skb->local_df before
> >calling iptunnel_xmit() rather than passing extra arg to this
> >function?
> >There are not that many caller of this function.
> The benefit is that it ensures that future callers will think about this 
> point
> ;-)

Exactly, I thought about adding skb->local_df = 0 to all the tunnel code but
wanted to force users of the interface to think about the parameter and its
consequences.

Greetings,

  Hannes

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