summaryrefslogtreecommitdiff
path: root/net/ipv6/sit.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv6/sit.c')
-rw-r--r--net/ipv6/sit.c23
1 files changed, 14 insertions, 9 deletions
diff --git a/net/ipv6/sit.c b/net/ipv6/sit.c
index 39bd8951bfca..9a0f32acb750 100644
--- a/net/ipv6/sit.c
+++ b/net/ipv6/sit.c
@@ -51,6 +51,7 @@
#include <net/dsfield.h>
#include <net/net_namespace.h>
#include <net/netns/generic.h>
+#include <net/netdev_lock.h>
#include <net/inet_dscp.h>
/*
@@ -201,8 +202,7 @@ static void ipip6_tunnel_clone_6rd(struct net_device *dev, struct sit_net *sitn)
static int ipip6_tunnel_create(struct net_device *dev)
{
struct ip_tunnel *t = netdev_priv(dev);
- struct net *net = dev_net(dev);
- struct sit_net *sitn = net_generic(net, sit_net_id);
+ struct sit_net *sitn = net_generic(t->net, sit_net_id);
int err;
__dev_addr_set(dev, &t->parms.iph.saddr, 4);
@@ -269,6 +269,7 @@ static struct ip_tunnel *ipip6_tunnel_locate(struct net *net,
nt = netdev_priv(dev);
+ nt->net = net;
nt->parms = *parms;
if (ipip6_tunnel_create(dev) < 0)
goto failed_free;
@@ -1449,7 +1450,6 @@ static int ipip6_tunnel_init(struct net_device *dev)
int err;
tunnel->dev = dev;
- tunnel->net = dev_net(dev);
strcpy(tunnel->parms.name, dev->name);
ipip6_tunnel_bind_dev(dev);
@@ -1550,19 +1550,23 @@ static bool ipip6_netlink_6rd_parms(struct nlattr *data[],
}
#endif
-static int ipip6_newlink(struct net *src_net, struct net_device *dev,
- struct nlattr *tb[], struct nlattr *data[],
+static int ipip6_newlink(struct net_device *dev,
+ struct rtnl_newlink_params *params,
struct netlink_ext_ack *extack)
{
- struct net *net = dev_net(dev);
+ struct nlattr **data = params->data;
+ struct nlattr **tb = params->tb;
struct ip_tunnel *nt;
struct ip_tunnel_encap ipencap;
#ifdef CONFIG_IPV6_SIT_6RD
struct ip_tunnel_6rd ip6rd;
#endif
+ struct net *net;
int err;
+ net = params->link_net ? : dev_net(dev);
nt = netdev_priv(dev);
+ nt->net = net;
if (ip_tunnel_netlink_encap_parms(data, &ipencap)) {
err = ip_tunnel_encap_setup(nt, &ipencap);
@@ -1856,7 +1860,10 @@ static int __net_init sit_init_net(struct net *net)
/* FB netdevice is special: we have one, and only one per netns.
* Allowing to move it to another netns is clearly unsafe.
*/
- sitn->fb_tunnel_dev->netns_local = true;
+ sitn->fb_tunnel_dev->netns_immutable = true;
+
+ t = netdev_priv(sitn->fb_tunnel_dev);
+ t->net = net;
err = register_netdev(sitn->fb_tunnel_dev);
if (err)
@@ -1865,8 +1872,6 @@ static int __net_init sit_init_net(struct net *net)
ipip6_tunnel_clone_6rd(sitn->fb_tunnel_dev, sitn);
ipip6_fb_tunnel_init(sitn->fb_tunnel_dev);
- t = netdev_priv(sitn->fb_tunnel_dev);
-
strcpy(t->parms.name, sitn->fb_tunnel_dev->name);
return 0;