From 04600794958f1833f5571c6cde40f260ab557f55 Mon Sep 17 00:00:00 2001 From: Johannes Berg Date: Thu, 5 Aug 2010 17:45:15 +0200 Subject: 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 Acked-by: "Eric W. Biederman" Signed-off-by: John W. Linville --- include/linux/netdevice.h | 2 ++ net/core/net-sysfs.c | 3 ++- net/wireless/core.c | 7 ++++++- net/wireless/sysfs.c | 9 +++++++++ 4 files changed, 19 insertions(+), 2 deletions(-) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 46c36ffe20ee..a4b14fd81c6a 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -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); diff --git a/net/core/net-sysfs.c b/net/core/net-sysfs.c index af4dfbadf2a0..7d748542d97e 100644 --- a/net/core/net-sysfs.c +++ b/net/core/net-sysfs.c @@ -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) { diff --git a/net/wireless/core.c b/net/wireless/core.c index 541e2fff5e9c..c70909c3eae4 100644 --- a/net/wireless/core.c +++ b/net/wireless/core.c @@ -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) diff --git a/net/wireless/sysfs.c b/net/wireless/sysfs.c index 9f2cef3e0ca0..74a9e3cce452 100644 --- a/net/wireless/sysfs.c +++ b/net/wireless/sysfs.c @@ -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) -- cgit v1.2.3