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

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Date:	Tue, 1 Sep 2015 01:43:39 +0200
From:	Marius Tomaschewski <mt@...e.de>
To:	netdev@...r.kernel.org
Cc:	David Miller <davem@...emloft.net>
Subject: Re: [PATCH] ipv6: send NEWLINK on RA managed/otherconf changes

Am 01.09.2015 um 00:13 schrieb David Miller:
> 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.

Yes, you're right of course.

I've attached a follow-up patch doing this. Please let me know if you
need it in a separate mail.

Gruesse / Regards,
 Marius Tomaschewski <mt@...e.de>, <mt@...e.com>
-- 
 SUSE Linux GmbH, GF: Felix Imendörffer, Jane Smithard,
 Dilip Upmanyu, Graham Norton, HRB 21284 (AG Nürnberg),
 Maxfeldstraße 5, 90409 Nürnberg, Germany

View attachment "0002-ipv6-send-only-one-NEWLINK-when-RA-causes-changes.patch" of type "text/x-patch" (1623 bytes)