netdev - Re: [PATCH net-next v5] rtnetlink: add new RTM

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Message-Id: <20160419.120033.1902139695182044134.davem@davemloft.net>
Date:	Tue, 19 Apr 2016 12:00:33 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	nicolas.dichtel@...nd.com
Cc:	roopa@...ulusnetworks.com, netdev@...r.kernel.org,
	jhs@...atatu.com, tgraf@...g.ch, eric.dumazet@...il.com
Subject: Re: [PATCH net-next v5] rtnetlink: add new RTM_GETSTATS message to
 dump link stats

From: Nicolas Dichtel <nicolas.dichtel@...nd.com>
Date: Tue, 19 Apr 2016 09:45:32 +0200

> But we finally discover that some netlink API use the attribute '0'.

I explicitly did not use attribute zero, and instead made a new IFLA_*
attribute exactly to avoid compatability problems.

Every netlink attribute space that needs to deal with this padding issue
will need to add such a new attribute.

It is the only safe way to deal with this problem.