netdev - RE: [PATCH net-next 2/2] arp: flush arp cache on IFF

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Message-ID: <AE90C24D6B3A694183C094C60CF0A2F6026B7249@saturn3.aculab.com>
Date:	Thu, 23 May 2013 11:23:28 +0100
From:	"David Laight" <David.Laight@...LAB.COM>
To:	Timo Teräs <timo.teras@....fi>,
	<netdev@...r.kernel.org>
Subject: RE: [PATCH net-next 2/2] arp: flush arp cache on IFF_NOARP change

> 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.

Might someone want to use this to stop further arp table
entries being created?
In which case you don't want anything flushed.

	David