netdev - Re: [PATCH] ipv6: send NEWLINK on RA managed/otherconf changes

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Message-Id: <20150831.151351.228280334434841531.davem@davemloft.net>
Date:	Mon, 31 Aug 2015 15:13:51 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	mt@...e.de
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH] ipv6: send NEWLINK on RA managed/otherconf changes

From: Marius Tomaschewski <mt@...e.de>
Date: Mon, 31 Aug 2015 15:59:22 +0200

> The kernel is applying the RA managed/otherconf flags silently and
> forgets to send ifinfo notify to inform about their change when the
> router provides a zero reachable_time and retrans_timer as dnsmasq
> and many routers send it, which just means unspecified by this router
> and the host should continue using whatever value it is already using.
> Userspace may monitor the ifinfo notifications to activate dhcpv6.
> 
> Signed-off-by: Marius Tomaschewski <mt@...e.de>

Applied, but more ideally this function should emit only a single
NEWLINK message rather than potentially 3.
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