netdev - Re: [PATCH v2 net-next] arp: flush arp cache on IFF

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Message-Id: <20130523.000136.1188829048647539329.davem@davemloft.net>
Date:	Thu, 23 May 2013 00:01:36 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	timo.teras@....fi
Cc:	netdev@...r.kernel.org, kaber@...sh.net
Subject: Re: [PATCH v2 net-next] arp: flush arp cache on IFF_NOARP change

From: Timo Teräs <timo.teras@....fi>
Date: Tue, 21 May 2013 13:23:44 +0300

> IFF_NOARP affects what kind of neighbor entries are created
> (nud NOARP or nud INCOMPLETE). If the flag changes, flush the arp
> cache to refresh all entries.
> 
> Signed-off-by: Timo Teräs <timo.teras@....fi>

I agree with Ben that we should have a "orig_priv_flags" or
something like that to implement this, rather than adding
transient state flags to ->priv_flags.
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