netdev - problem with flowi structure

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Date:	Thu, 16 Sep 2010 17:14:39 +0200
From:	Nicola Padovano <nicola.padovano@...il.com>
To:	netfilter-devel <netfilter-devel@...r.kernel.org>,
	netdev@...r.kernel.org
Subject: problem with flowi structure

Hi all. I'm "studying" the flowi structure.
I see some source code:

[CODE]
...
fl.nl_u.ip4_u.saddr = 0
...
ip_route_output_key(....,&fl,....)
...
(where fl is a flowi struct)
[/CODE]

what is the meaning of saddr = 0?


-- 
Nicola Padovano
e-mail: nicola.padovano@...il.com
web: http://npadovano.altervista.org
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