netdev - Re: [PATCH 2/3] [NET] fib_rules: Mark rules detached from the device

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Date:	Mon, 26 Mar 2007 17:38:22 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	tgraf@...g.ch
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 2/3] [NET] fib_rules: Mark rules detached from the
 device

From: Thomas Graf <tgraf@...g.ch>
Date: Tue, 27 Mar 2007 01:54:52 +0200

> Rules which match against device names in their selector can
> remain while the device itself disappears, in fact the device
> doesn't have to present when the rule is added in the first
> place. The device name is resolved by trying when the rule is
> added and later by listening to NETDEV_REGISTER/UNREGISTER
> notifications.
> 
> This patch adds the flag FIB_RULE_DEV_DETACHED which is set
> towards userspace when a rule contains a device match which
> is unresolved at the moment. This eases spotting the reason
> why certain rules seem not to function properly.
> 
> Signed-off-by: Thomas Graf <tgraf@...g.ch>

Yep, this should make failure diagnosis easier.

Applied to net-2.6.22, thanks.
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