netdev - Re: [PATCH 2/4] ipgre: follow state of lower device

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Date:	Sat, 14 Apr 2012 14:53:02 -0400 (EDT)
From:	David Miller <davem@...emloft.net>
To:	shemminger@...tta.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH 2/4] ipgre: follow state of lower device

From: Stephen Hemminger <shemminger@...tta.com>
Date: Thu, 12 Apr 2012 09:31:17 -0700

> GRE tunnels like other layered devices should propogate
> carrier and RFC2863 state from lower device to tunnel.
> 
> Signed-off-by: Stephen Hemminger <shemminger@...tta.com>

Like others I don't like the ugly hash traversal.

A small hash on ifindex, iflink, or whatever ought to be easy and make
the code look much nicer.

Longer term project is that a lot of this tunneling code can be
commonized at some point.
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