netdev - [PATCH net-next] gre: allow changing mac address when device is up

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Date:	Fri, 6 Jun 2014 08:10:00 -0700
From:	Stephen Hemminger <stephen@...workplumber.org>
To:	David Miller <davem@...emloft.net>
Cc:	netdev@...r.kernel.org
Subject: [PATCH net-next] gre: allow changing mac address when device is up

There is no need to require forcing device down on a Ethernet GRE (gretap)
tunnel to change the MAC address.

Signed-off-by: Stephen Hemminger <stephen@...workplumber.org>

--- a/net/ipv4/ip_gre.c	2014-04-23 18:38:21.908598483 -0700
+++ b/net/ipv4/ip_gre.c	2014-06-05 09:51:19.319503953 -0700
@@ -649,6 +649,7 @@ static void ipgre_tap_setup(struct net_d
 {
 	ether_setup(dev);
 	dev->netdev_ops		= &gre_tap_netdev_ops;
+	dev->priv_flags 	|= IFF_LIVE_ADDR_CHANGE;
 	ip_tunnel_setup(dev, gre_tap_net_id);
 }
 
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