From: Pavel Emelyanov <xemul@openvz.org>
Date: Wed, 16 Apr 2008 08:06:18 +0000 (-0700)
Subject: [IPIP]: Allow to create IPIP tunnels in net namespaces.
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=0a826406d4adf0c4b7cd47f116cb8e8ef65b92a3;p=linux-beck.git

[IPIP]: Allow to create IPIP tunnels in net namespaces.

Set the proper net before calling register_netdev and disable
the tunnel device netns changing.

Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
---

diff --git a/net/ipv4/ipip.c b/net/ipv4/ipip.c
index 1de39e1dc432..149111f08e8d 100644
--- a/net/ipv4/ipip.c
+++ b/net/ipv4/ipip.c
@@ -239,6 +239,8 @@ static struct ip_tunnel * ipip_tunnel_locate(struct net *net,
 	if (dev == NULL)
 		return NULL;
 
+	dev_net_set(dev, net);
+
 	if (strchr(name, '%')) {
 		if (dev_alloc_name(dev, name) < 0)
 			goto failed_free;
@@ -839,6 +841,7 @@ static void ipip_tunnel_setup(struct net_device *dev)
 	dev->flags		= IFF_NOARP;
 	dev->iflink		= 0;
 	dev->addr_len		= 4;
+	dev->features		|= NETIF_F_NETNS_LOCAL;
 }
 
 static int ipip_tunnel_init(struct net_device *dev)