From: Nicolas Dichtel <nicolas.dichtel@6wind•com>
To: Bob Gilligan <gilligan@aristanetworks•com>, davem@davemloft•net
Cc: netdev@vger•kernel.org
Subject: Re: [PATCH] neigh: Netlink notification for administrative NUD state change
Date: Mon, 16 Dec 2013 09:23:42 +0100 [thread overview]
Message-ID: <52AEB88E.2040004@6wind.com> (raw)
In-Reply-To: <52ae21ac.oFg7QoGcVg2CCThY%gilligan@aristanetworks.com>
Le 15/12/2013 22:39, Bob Gilligan a écrit :
>
> 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>
Acked-by: Nicolas Dichtel <nicolas.dichtel@6wind•com>
next prev parent reply other threads:[~2013-12-16 8:24 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 [this message]
2013-12-17 21:15 ` David Miller
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=52AEB88E.2040004@6wind.com \
--to=nicolas.dichtel@6wind$(echo .)com \
--cc=davem@davemloft$(echo .)net \
--cc=gilligan@aristanetworks$(echo .)com \
--cc=netdev@vger$(echo .)kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox