From f8c1b7ce00254a5bb75d5b5e5ef1601326a0e08e Mon Sep 17 00:00:00 2001
From: stephen hemminger <stephen@networkplumber.org>
Date: Fri, 6 Jun 2014 08:10:00 -0700
Subject: [PATCH] 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@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
net/ipv4/ip_gre.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/net/ipv4/ip_gre.c b/net/ipv4/ip_gre.c
index c5a557a06a31a..9b842544aea3d 100644
--- a/net/ipv4/ip_gre.c
+++ b/net/ipv4/ip_gre.c
@@ -649,6 +649,7 @@ static void ipgre_tap_setup(struct net_device *dev)
{
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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