From mboxrd@z Thu Jan 1 00:00:00 1970 From: David Miller Subject: Re: [PATCH net-next] neigh: probe application via netlink in NUD_PROBE Date: Wed, 26 Feb 2014 15:47:43 -0500 (EST) Message-ID: <20140226.154743.1440127803884219475.davem@davemloft.net> References: <20140225.181844.1715731388552960836.davem@davemloft.net> <1393407784-8906-1-git-send-email-timo.teras@iki.fi> Mime-Version: 1.0 Content-Type: Text/Plain; charset=iso-8859-1 Content-Transfer-Encoding: QUOTED-PRINTABLE Cc: netdev@vger.kernel.org To: timo.teras@iki.fi Return-path: Received: from shards.monkeyblade.net ([149.20.54.216]:40846 "EHLO shards.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752375AbaBZUro convert rfc822-to-8bit (ORCPT ); Wed, 26 Feb 2014 15:47:44 -0500 In-Reply-To: <1393407784-8906-1-git-send-email-timo.teras@iki.fi> Sender: netdev-owner@vger.kernel.org List-ID: =46rom: Timo Ter=E4s Date: Wed, 26 Feb 2014 11:43:04 +0200 > iproute2 arpd seems to expect this as there's code and comments > to handle netlink probes with NUD_PROBE set. It is used to flush > the arpd cached mappings. >=20 > opennhrp instead turns off unicast probes (so it can handle all > neighbour discovery). Without this change it will not see NUD_PROBE > probes and cannot reconfirm the mapping. Thus currently neigh entry > will just fail and can cause few packets dropped until broadcast > discovery is restarted. >=20 > Earlier discussion on the subject: > http://marc.info/?t=3D139305877100001&r=3D1&w=3D2 >=20 > Signed-off-by: Timo Ter=E4s Applied, thanks a lot Timo.