From: David Miller <davem@davemloft.net>
To: gilligan@aristanetworks.com
Cc: nicolas.dichtel@6wind.com, netdev@vger.kernel.org
Subject: Re: [PATCH] neigh: Netlink notification for administrative NUD state change
Date: Tue, 17 Dec 2013 16:15:01 -0500 (EST) [thread overview]
Message-ID: <20131217.161501.873058724657031823.davem@davemloft.net> (raw)
In-Reply-To: <52ae21ac.oFg7QoGcVg2CCThY%gilligan@aristanetworks.com>
From: Bob Gilligan <gilligan@aristanetworks.com>
Date: Sun, 15 Dec 2013 13:39:56 -0800
>
> The neighbour code sends up an RTM_NEWNEIGH netlink notification if
> the NUD state of a neighbour cache entry is changed by a timer (e.g.
> from REACHABLE to STALE), even if the lladdr of the entry has not
> changed.
>
> But an administrative change to the the NUD state of a neighbour cache
> entry that does not change the lladdr (e.g. via "ip -4 neigh change
> ... nud ...") does not trigger a netlink notification. This means
> that netlink listeners will not hear about administrative NUD state
> changes such as from a resolved state to PERMANENT.
>
> This patch changes the neighbor code to generate an RTM_NEWNEIGH
> message when the NUD state of an entry is changed administratively.
>
> Signed-off-by: Bob Gilligan <gilligan@aristanetworks.com>
Applied, thanks Bob.
prev parent reply other threads:[~2013-12-17 21:15 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-15 21:39 [PATCH] neigh: Netlink notification for administrative NUD state change Bob Gilligan
2013-12-16 8:23 ` Nicolas Dichtel
2013-12-17 21:15 ` David Miller [this message]
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