netdev - Re: [PATCH] fix ip_gre lockless xmits

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Date:	Thu, 26 Jan 2012 16:50:40 -0500
From:	Willem de Bruijn <willemb@...gle.com>
To:	Eric Dumazet <eric.dumazet@...il.com>
Cc:	netdev@...r.kernel.org, davem@...emloft.net
Subject: Re: [PATCH] fix ip_gre lockless xmits

> ip link add gre34 type gre remote 1.2.3.4
>
> I was not aware of the "ip tunnel add ..."

And I was unaware of that method. Interesting. That explains the
alternative codepath in rtnetlink.c. `ip link help` does not mention
gre or gretap on its list of supported types, even though they work.
Thanks for having a look!
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