netdev - Re: [PATCH net] ipv6: fix net.ipv6.conf.all interface DAD handlers

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Message-ID: <CAAedzxp4jdzycLXrXcdbpgnMCK0LJoaTiBV4m6=giV_T+WLkwA@mail.gmail.com>
Date:   Thu, 28 Sep 2017 13:47:27 +0900
From:   Erik Kline <ek@...gle.com>
To:     David Miller <davem@...emloft.net>
Cc:     mcroce@...hat.com, netdev <netdev@...r.kernel.org>,
        linux-doc@...r.kernel.org
Subject: Re: [PATCH net] ipv6: fix net.ipv6.conf.all interface DAD handlers

> Erik, please review.

I apologize for the delay. I see that you've already applied this, and
it's mostly LGTM except I have one thing I'm not seeing clearly.

The documentation accept_dad  now claims:

    DAD operation and mode on a given interface will be selected according
    to the maximum value of conf/{all,interface}/accept_dad.

but I'm try to square this with my reading of the changes to
addrconf_dad_begin().  I think setting all.accept_dad to 0 but
ifname.accept_dad to non-0 still results in the short-circuit call to
addrconf_dad_completed().

Am I just not seeing (thinking) straight?

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