netdev - Re: [PATCH] ipv6 addrconf: fix preferred lifetime state-changing behavior while valid

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Message-ID: <20131231190541.GC31490@order.stressinduktion.org>
Date:	Tue, 31 Dec 2013 20:05:41 +0100
From:	Hannes Frederic Sowa <hannes@...essinduktion.org>
To:	Yasushi Asano <yazzep@...il.com>
Cc:	netdev@...r.kernel.org,
	Yasushi Asano <yasushi.asano@...fujitsu.com>
Subject: Re: [PATCH] ipv6 addrconf: fix preferred lifetime state-changing behavior while valid_lft is infinity

On Tue, Dec 31, 2013 at 12:04:19PM +0900, Yasushi Asano wrote:
> From: Yasushi Asano <yasushi.asano@...fujitsu.com>
> 
> Fixed a problem with setting the lifetime of an IPv6
> address. When setting preferred_lft to a value not zero or
> infinity, while valid_lft is infinity(0xffffffff) preferred
> lifetime is set to forever and does not update. Therefore
> preferred lifetime never becomes deprecated. valid lifetime
> and preferred lifetime should be set independently, even if
> valid lifetime is infinity, preferred lifetime must expire
> correctly (meaning it must eventually become deprecated)
> 
> 
> Signed-off-by: Yasushi Asano <yasushi.asano@...fujitsu.com>

Acked-by: Hannes Frederic Sowa <hannes@...essinduktion.org>

Thanks!

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