#include <linux/netdevice.h>
#include <linux/if_arp.h>
#include <linux/slab.h>
+#include <linux/nsproxy.h>
#include <net/sock.h>
+#include <net/net_namespace.h>
#include <linux/rtnetlink.h>
#include <linux/wireless.h>
#include <linux/vmalloc.h>
.attrs = wireless_attrs,
};
#endif
+#endif /* CONFIG_SYSFS */
#ifdef CONFIG_RPS
/*
kset_unregister(net->queues_kset);
}
#endif /* CONFIG_RPS */
-#endif /* CONFIG_SYSFS */
+
+static const void *net_current_ns(void)
+{
+ return current->nsproxy->net_ns;
+}
+
+static const void *net_initial_ns(void)
+{
+ return &init_net;
+}
+
+static const void *net_netlink_ns(struct sock *sk)
+{
+ return sock_net(sk);
+}
+
+static struct kobj_ns_type_operations net_ns_type_operations = {
+ .type = KOBJ_NS_TYPE_NET,
+ .current_ns = net_current_ns,
+ .netlink_ns = net_netlink_ns,
+ .initial_ns = net_initial_ns,
+};
+
+static void net_kobj_ns_exit(struct net *net)
+{
+ kobj_ns_exit(KOBJ_NS_TYPE_NET, net);
+}
+
+static struct pernet_operations kobj_net_ops = {
+ .exit = net_kobj_ns_exit,
+};
+
#ifdef CONFIG_HOTPLUG
static int netdev_uevent(struct device *d, struct kobj_uevent_env *env)
struct net_device *dev = to_net_dev(d);
int retval;
- if (!net_eq(dev_net(dev), &init_net))
- return 0;
-
/* pass interface to uevent. */
retval = add_uevent_var(env, "INTERFACE=%s", dev->name);
if (retval)
kfree((char *)dev - dev->padded);
}
+static const void *net_namespace(struct device *d)
+{
+ struct net_device *dev;
+ dev = container_of(d, struct net_device, dev);
+ return dev_net(dev);
+}
+
static struct class net_class = {
.name = "net",
.dev_release = netdev_release,
#ifdef CONFIG_HOTPLUG
.dev_uevent = netdev_uevent,
#endif
+ .ns_type = &net_ns_type_operations,
+ .namespace = net_namespace,
};
/* Delete sysfs entries but hold kobject reference until after all
kobject_get(&dev->kobj);
- if (!net_eq(dev_net(net), &init_net))
- return;
-
#ifdef CONFIG_RPS
rx_queue_remove_kobjects(net);
#endif
const struct attribute_group **groups = net->sysfs_groups;
int error = 0;
+ device_initialize(dev);
dev->class = &net_class;
dev->platform_data = net;
dev->groups = groups;
#endif
#endif /* CONFIG_SYSFS */
- if (!net_eq(dev_net(net), &init_net))
- return 0;
-
error = device_add(dev);
if (error)
return error;
EXPORT_SYMBOL(netdev_class_create_file);
EXPORT_SYMBOL(netdev_class_remove_file);
-void netdev_initialize_kobject(struct net_device *net)
-{
- struct device *device = &(net->dev);
- device_initialize(device);
-}
-
int netdev_kobject_init(void)
{
+ kobj_ns_type_register(&net_ns_type_operations);
+ register_pernet_subsys(&kobj_net_ops);
return class_register(&net_class);
}