netdev - Re: [PATCH net-next v5] ipv6 addrconf: Implemented enhanced DAD (RFC7527)

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Message-Id: <20161203.232609.1047902442344574211.davem@davemloft.net>
Date:   Sat, 03 Dec 2016 23:26:09 -0500 (EST)
From:   David Miller <davem@...emloft.net>
To:     nordmark@...sta.com
Cc:     netdev@...r.kernel.org, hannes@...essinduktion.org,
        gilligan@...sta.com
Subject: Re: [PATCH net-next v5] ipv6 addrconf: Implemented enhanced DAD
 (RFC7527)

From: Erik Nordmark <nordmark@...sta.com>
Date: Fri,  2 Dec 2016 14:00:08 -0800

> Implemented RFC7527 Enhanced DAD.
> IPv6 duplicate address detection can fail if there is some temporary
> loopback of Ethernet frames. RFC7527 solves this by including a random
> nonce in the NS messages used for DAD, and if an NS is received with the
> same nonce it is assumed to be a looped back DAD probe and is ignored.
> RFC7527 is enabled by default. Can be disabled by setting both of
> conf/{all,interface}/enhanced_dad to zero.
> 
> Signed-off-by: Erik Nordmark <nordmark@...sta.com>
> Signed-off-by: Bob Gilligan <gilligan@...sta.com>
> Reviewed-by: Hannes Frederic Sowa <hannes@...essinduktion.org>

Applied, thanks.