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cfg80211: support sysfs namespaces 

Enable using network namespaces with
wireless devices even when sysfs is
enabled using the same infrastructure
that was built for netdevs.

Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Acked-by: "Eric W. Biederman" <ebiederm@xmission.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Johannes Berg 2010-08-05 17:45:15 +02:00 committed by John W. Linville
parent d1f5b7a34a
commit 0460079495
4 changed files with 19 additions and 2 deletions
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2
include/linux/netdevice.h
View File

@ -2171,6 +2171,8 @@ extern void dev_seq_stop(struct seq_file *seq, void *v);
extern int netdev_class_create_file(struct class_attribute *class_attr);
extern void netdev_class_remove_file(struct class_attribute *class_attr);
extern struct kobj_ns_type_operations net_ns_type_operations;
extern char *netdev_drivername(const struct net_device *dev, char *buffer, int len);
extern void linkwatch_run_queue(void);

3
net/core/net-sysfs.c
View File

@ -789,12 +789,13 @@ static const void *net_netlink_ns(struct sock *sk)
return sock_net(sk);
}
static struct kobj_ns_type_operations net_ns_type_operations = {
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,
};
EXPORT_SYMBOL_GPL(net_ns_type_operations);
static void net_kobj_ns_exit(struct net *net)
{

7
net/wireless/core.c
View File

@ -253,11 +253,16 @@ int cfg80211_switch_netns(struct cfg80211_registered_device *rdev,
WARN_ON(err);
wdev->netdev->features |= NETIF_F_NETNS_LOCAL;
}
return err;
}
wiphy_net_set(&rdev->wiphy, net);
return err;
err = device_rename(&rdev->wiphy.dev, dev_name(&rdev->wiphy.dev));
WARN_ON(err);
return 0;
}
static void cfg80211_rfkill_poll(struct rfkill *rfkill, void *data)

9
net/wireless/sysfs.c
View File

@ -110,6 +110,13 @@ static int wiphy_resume(struct device *dev)
return ret;
}
static const void *wiphy_namespace(struct device *d)
{
struct wiphy *wiphy = container_of(d, struct wiphy, dev);
return wiphy_net(wiphy);
}
struct class ieee80211_class = {
.name = "ieee80211",
.owner = THIS_MODULE,
@ -120,6 +127,8 @@ struct class ieee80211_class = {
#endif
.suspend = wiphy_suspend,
.resume = wiphy_resume,
.ns_type = &net_ns_type_operations,
.namespace = wiphy_namespace,
};
int wiphy_sysfs_init(void)