netdev - Re: [RFC] net: ipv4 -- Introduce ifa limit per net

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Date:	Thu, 10 Mar 2016 13:09:15 -0800
From:	Cong Wang <xiyou.wangcong@...il.com>
To:	David Miller <davem@...emloft.net>
Cc:	Cyrill Gorcunov <gorcunov@...il.com>,
	Alexei Starovoitov <alexei.starovoitov@...il.com>,
	Eric Dumazet <eric.dumazet@...il.com>,
	Linux Kernel Network Developers <netdev@...r.kernel.org>,
	solar@...nwall.com, Vasily Averin <vvs@...tuozzo.com>,
	avagin@...tuozzo.com, xemul@...tuozzo.com, vdavydov@...tuozzo.com,
	khorenko@...tuozzo.com, Pablo Neira Ayuso <pablo@...filter.org>,
	netfilter-devel@...r.kernel.org
Subject: Re: [RFC] net: ipv4 -- Introduce ifa limit per net

On Thu, Mar 10, 2016 at 11:55 AM, David Miller <davem@...emloft.net> wrote:
> Indeed, good catch.  Therefore:
>
> 1) Keep the masq netdev notifier.  That will flush the conntrack table
>    for the inetdev_destroy event.
>
> 2) Make the inetdev notifier only do something if inetdev->dead is
>    false.  (ie. we are flushing an individual address)
>
> And then we don't need the NETDEV_UNREGISTER thing at all:


This makes sense to me. I guess similar thing needs to do for IPv6 masq too.

Thanks.