netdev - Re: [PATCH net-next 3/3] net: ipv6: only invalidate previously tokenized addresses

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Message-ID: <20130409203812.GD14572@order.stressinduktion.org>
Date:	Tue, 9 Apr 2013 22:38:12 +0200
From:	Hannes Frederic Sowa <hannes@...essinduktion.org>
To:	Daniel Borkmann <dborkman@...hat.com>
Cc:	davem@...emloft.net, netdev@...r.kernel.org
Subject: Re: [PATCH net-next 3/3] net: ipv6: only invalidate previously tokenized addresses

On Tue, Apr 09, 2013 at 03:47:16PM +0200, Daniel Borkmann wrote:
> Instead of invalidating all IPv6 addresses with global scope
> when one decides to use IPv6 tokens, we should only invalidate
> previous tokens and leave the rest intact until they expire
> eventually (or are intact forever). For doing this less greedy
> approach, we're adding a bool at the end of inet6_ifaddr structure
> instead, for two reasons: i) per-inet6_ifaddr flag space is
> already used up, making it wider might not be a good idea,
> since ii) also we do not necessarily need to export this
> information into user space.
> 
> Suggested-by: Hannes Frederic Sowa <hannes@...essinduktion.org>
> Signed-off-by: Daniel Borkmann <dborkman@...hat.com>

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

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