From: Hannes Frederic Sowa <hannes@stressinduktion.org>
Date: Mon, 23 Mar 2015 22:36:04 +0000 (+0100)
Subject: ipv6: do retries on stable privacy addresses
X-Git-Tag: omap-for-v4.1/fixes-rc1~141^2~161^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5f40ef77adb237954d615a76621df1b80a329b31;p=pandora-kernel.git

ipv6: do retries on stable privacy addresses

If a DAD conflict is detected, we want to retry privacy stable address
generation up to idgen_retries (= 3) times with a delay of idgen_delay
(= 1 second). Add the logic to addrconf_dad_failure.

By design, we don't clean up dad failed permanent addresses.

Cc: Erik Kline <ek@google.com>
Cc: Fernando Gont <fgont@si6networks.com>
Cc: Lorenzo Colitti <lorenzo@google.com>
Cc: YOSHIFUJI Hideaki/吉藤英明 <hideaki.yoshifuji@miraclelinux.com>
Signed-off-by: Hannes Frederic Sowa <hannes@stressinduktion.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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