diff --git a/net/wireless/nl80211.c b/net/wireless/nl80211.c
index da450ef..7880a9c 100644
--- a/net/wireless/nl80211.c
+++ b/net/wireless/nl80211.c
@@ -14,8 +14,10 @@
 #include <linux/rtnetlink.h>
 #include <linux/netlink.h>
 #include <linux/etherdevice.h>
+#include <net/net_namespace.h>
 #include <net/genetlink.h>
 #include <net/cfg80211.h>
+#include <net/sock.h>
 #include "core.h"
 #include "nl80211.h"
 #include "reg.h"
@@ -27,24 +29,26 @@
 	.hdrsize = 0,		/* no private header */
 	.version = 1,		/* no particular meaning now */
 	.maxattr = NL80211_ATTR_MAX,
+	.netnsok = true,
 };
 
 /* internal helper: get rdev and dev */
-static int get_rdev_dev_by_info_ifindex(struct nlattr **attrs,
+static int get_rdev_dev_by_info_ifindex(struct genl_info *info,
 				       struct cfg80211_registered_device **rdev,
 				       struct net_device **dev)
 {
+	struct nlattr **attrs = info->attrs;
 	int ifindex;
 
 	if (!attrs[NL80211_ATTR_IFINDEX])
 		return -EINVAL;
 
 	ifindex = nla_get_u32(attrs[NL80211_ATTR_IFINDEX]);
-	*dev = dev_get_by_index(&init_net, ifindex);
+	*dev = dev_get_by_index(genl_info_net(info), ifindex);
 	if (!*dev)
 		return -ENODEV;
 
-	*rdev = cfg80211_get_dev_from_ifindex(ifindex);
+	*rdev = cfg80211_get_dev_from_ifindex(genl_info_net(info), ifindex);
 	if (IS_ERR(*rdev)) {
 		dev_put(*dev);
 		return PTR_ERR(*rdev);
@@ -133,6 +137,7 @@
 	[NL80211_ATTR_PRIVACY] = { .type = NLA_FLAG },
 	[NL80211_ATTR_CIPHER_SUITE_GROUP] = { .type = NLA_U32 },
 	[NL80211_ATTR_WPA_VERSIONS] = { .type = NLA_U32 },
+	[NL80211_ATTR_PID] = { .type = NLA_U32 },
 };
 
 /* policy for the attributes */
@@ -532,6 +537,10 @@
 	CMD(deauth, DEAUTHENTICATE);
 	CMD(disassoc, DISASSOCIATE);
 	CMD(join_ibss, JOIN_IBSS);
+	if (dev->wiphy.netnsok) {
+		i++;
+		NLA_PUT_U32(msg, i, NL80211_CMD_SET_WIPHY_NETNS);
+	}
 
 #undef CMD
 
@@ -562,6 +571,8 @@
 
 	mutex_lock(&cfg80211_mutex);
 	list_for_each_entry(dev, &cfg80211_rdev_list, list) {
+		if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk)))
+			continue;
 		if (++idx <= start)
 			continue;
 		if (nl80211_send_wiphy(skb, NETLINK_CB(cb->skb).pid,
@@ -867,6 +878,8 @@
 
 	mutex_lock(&cfg80211_mutex);
 	list_for_each_entry(dev, &cfg80211_rdev_list, list) {
+		if (!net_eq(wiphy_net(&dev->wiphy), sock_net(skb->sk)))
+			continue;
 		if (wp_idx < wp_start) {
 			wp_idx++;
 			continue;
@@ -907,7 +920,7 @@
 	struct net_device *netdev;
 	int err;
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &dev, &netdev);
+	err = get_rdev_dev_by_info_ifindex(info, &dev, &netdev);
 	if (err)
 		return err;
 
@@ -975,7 +988,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -1098,26 +1111,25 @@
 static int nl80211_del_interface(struct sk_buff *skb, struct genl_info *info)
 {
 	struct cfg80211_registered_device *rdev;
-	int ifindex, err;
+	int err;
 	struct net_device *dev;
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
-	ifindex = dev->ifindex;
-	dev_put(dev);
 
 	if (!rdev->ops->del_virtual_intf) {
 		err = -EOPNOTSUPP;
 		goto out;
 	}
 
-	err = rdev->ops->del_virtual_intf(&rdev->wiphy, ifindex);
+	err = rdev->ops->del_virtual_intf(&rdev->wiphy, dev);
 
  out:
 	cfg80211_unlock_rdev(rdev);
+	dev_put(dev);
  unlock_rtnl:
 	rtnl_unlock();
 	return err;
@@ -1195,7 +1207,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -1274,7 +1286,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -1333,7 +1345,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -1380,7 +1392,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -1429,7 +1441,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -1516,7 +1528,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -1726,13 +1738,13 @@
 
 	rtnl_lock();
 
-	netdev = __dev_get_by_index(&init_net, ifidx);
+	netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
 	if (!netdev) {
 		err = -ENODEV;
 		goto out_rtnl;
 	}
 
-	dev = cfg80211_get_dev_from_ifindex(ifidx);
+	dev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
 	if (IS_ERR(dev)) {
 		err = PTR_ERR(dev);
 		goto out_rtnl;
@@ -1791,7 +1803,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
@@ -1829,14 +1841,16 @@
 /*
  * Get vlan interface making sure it is on the right wiphy.
  */
-static int get_vlan(struct nlattr *vlanattr,
+static int get_vlan(struct genl_info *info,
 		    struct cfg80211_registered_device *rdev,
 		    struct net_device **vlan)
 {
+	struct nlattr *vlanattr = info->attrs[NL80211_ATTR_STA_VLAN];
 	*vlan = NULL;
 
 	if (vlanattr) {
-		*vlan = dev_get_by_index(&init_net, nla_get_u32(vlanattr));
+		*vlan = dev_get_by_index(genl_info_net(info),
+					 nla_get_u32(vlanattr));
 		if (!*vlan)
 			return -ENODEV;
 		if (!(*vlan)->ieee80211_ptr)
@@ -1891,11 +1905,11 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
-	err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], rdev, &params.vlan);
+	err = get_vlan(info, rdev, &params.vlan);
 	if (err)
 		goto out;
 
@@ -2004,11 +2018,11 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
-	err = get_vlan(info->attrs[NL80211_ATTR_STA_VLAN], rdev, &params.vlan);
+	err = get_vlan(info, rdev, &params.vlan);
 	if (err)
 		goto out;
 
@@ -2079,7 +2093,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
@@ -2185,13 +2199,13 @@
 
 	rtnl_lock();
 
-	netdev = __dev_get_by_index(&init_net, ifidx);
+	netdev = __dev_get_by_index(sock_net(skb->sk), ifidx);
 	if (!netdev) {
 		err = -ENODEV;
 		goto out_rtnl;
 	}
 
-	dev = cfg80211_get_dev_from_ifindex(ifidx);
+	dev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
 	if (IS_ERR(dev)) {
 		err = PTR_ERR(dev);
 		goto out_rtnl;
@@ -2255,7 +2269,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
@@ -2314,7 +2328,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
@@ -2362,7 +2376,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
@@ -2404,7 +2418,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
@@ -2455,7 +2469,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
@@ -2574,7 +2588,7 @@
 	rtnl_lock();
 
 	/* Look up our device */
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
@@ -2691,7 +2705,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
@@ -2947,7 +2961,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto out_rtnl;
 
@@ -3069,14 +3083,16 @@
 		       request->ie_len);
 	}
 
-	request->ifidx = dev->ifindex;
+	request->dev = dev;
 	request->wiphy = &rdev->wiphy;
 
 	rdev->scan_req = request;
 	err = rdev->ops->scan(&rdev->wiphy, dev, request);
 
-	if (!err)
+	if (!err) {
 		nl80211_send_scan_start(rdev, dev);
+		dev_hold(dev);
+	}
 
  out_free:
 	if (err) {
@@ -3198,11 +3214,11 @@
 		cb->args[0] = ifidx;
 	}
 
-	dev = dev_get_by_index(&init_net, ifidx);
+	dev = dev_get_by_index(sock_net(skb->sk), ifidx);
 	if (!dev)
 		return -ENODEV;
 
-	rdev = cfg80211_get_dev_from_ifindex(ifidx);
+	rdev = cfg80211_get_dev_from_ifindex(sock_net(skb->sk), ifidx);
 	if (IS_ERR(rdev)) {
 		err = PTR_ERR(rdev);
 		goto out_put_netdev;
@@ -3312,7 +3328,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -3448,7 +3464,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -3531,7 +3547,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -3593,7 +3609,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -3666,7 +3682,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -3739,7 +3755,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -3924,7 +3940,7 @@
 		return err;
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -4000,7 +4016,7 @@
 
 	rtnl_lock();
 
-	err = get_rdev_dev_by_info_ifindex(info->attrs, &rdev, &dev);
+	err = get_rdev_dev_by_info_ifindex(info, &rdev, &dev);
 	if (err)
 		goto unlock_rtnl;
 
@@ -4024,6 +4040,47 @@
 	return err;
 }
 
+static int nl80211_wiphy_netns(struct sk_buff *skb, struct genl_info *info)
+{
+	struct cfg80211_registered_device *rdev;
+	struct net *net;
+	int err;
+	u32 pid;
+
+	if (!info->attrs[NL80211_ATTR_PID])
+		return -EINVAL;
+
+	pid = nla_get_u32(info->attrs[NL80211_ATTR_PID]);
+
+	rtnl_lock();
+
+	rdev = cfg80211_get_dev_from_info(info);
+	if (IS_ERR(rdev)) {
+		err = PTR_ERR(rdev);
+		goto out;
+	}
+
+	net = get_net_ns_by_pid(pid);
+	if (IS_ERR(net)) {
+		err = PTR_ERR(net);
+		goto out;
+	}
+
+	err = 0;
+
+	/* check if anything to do */
+	if (net_eq(wiphy_net(&rdev->wiphy), net))
+		goto out_put_net;
+
+	err = cfg80211_switch_netns(rdev, net);
+ out_put_net:
+	put_net(net);
+ out:
+	cfg80211_unlock_rdev(rdev);
+	rtnl_unlock();
+	return err;
+}
+
 static struct genl_ops nl80211_ops[] = {
 	{
 		.cmd = NL80211_CMD_GET_WIPHY,
@@ -4257,6 +4314,12 @@
 		.policy = nl80211_policy,
 		.flags = GENL_ADMIN_PERM,
 	},
+	{
+		.cmd = NL80211_CMD_SET_WIPHY_NETNS,
+		.doit = nl80211_wiphy_netns,
+		.policy = nl80211_policy,
+		.flags = GENL_ADMIN_PERM,
+	},
 };
 static struct genl_multicast_group nl80211_mlme_mcgrp = {
 	.name = "mlme",
@@ -4288,7 +4351,8 @@
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_config_mcgrp.id, GFP_KERNEL);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_config_mcgrp.id, GFP_KERNEL);
 }
 
 static int nl80211_add_scan_req(struct sk_buff *msg,
@@ -4365,7 +4429,8 @@
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_scan_mcgrp.id, GFP_KERNEL);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_scan_mcgrp.id, GFP_KERNEL);
 }
 
 void nl80211_send_scan_done(struct cfg80211_registered_device *rdev,
@@ -4383,7 +4448,8 @@
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_scan_mcgrp.id, GFP_KERNEL);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_scan_mcgrp.id, GFP_KERNEL);
 }
 
 void nl80211_send_scan_aborted(struct cfg80211_registered_device *rdev,
@@ -4401,7 +4467,8 @@
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_scan_mcgrp.id, GFP_KERNEL);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_scan_mcgrp.id, GFP_KERNEL);
 }
 
 /*
@@ -4450,7 +4517,10 @@
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_regulatory_mcgrp.id, GFP_KERNEL);
+	rtnl_lock();
+	genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
+				GFP_KERNEL);
+	rtnl_unlock();
 
 	return;
 
@@ -4486,7 +4556,8 @@
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_mlme_mcgrp.id, gfp);
 	return;
 
  nla_put_failure:
@@ -4553,7 +4624,8 @@
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_mlme_mcgrp.id, gfp);
 	return;
 
  nla_put_failure:
@@ -4611,7 +4683,8 @@
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_mlme_mcgrp.id, gfp);
 	return;
 
  nla_put_failure:
@@ -4651,7 +4724,8 @@
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_mlme_mcgrp.id, gfp);
 	return;
 
  nla_put_failure:
@@ -4691,7 +4765,8 @@
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, GFP_KERNEL);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_mlme_mcgrp.id, GFP_KERNEL);
 	return;
 
  nla_put_failure:
@@ -4726,7 +4801,8 @@
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_mlme_mcgrp.id, gfp);
 	return;
 
  nla_put_failure:
@@ -4766,7 +4842,8 @@
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_mlme_mcgrp.id, gfp);
+	genlmsg_multicast_netns(wiphy_net(&rdev->wiphy), msg, 0,
+				nl80211_mlme_mcgrp.id, gfp);
 	return;
 
  nla_put_failure:
@@ -4819,7 +4896,10 @@
 		return;
 	}
 
-	genlmsg_multicast(msg, 0, nl80211_regulatory_mcgrp.id, GFP_ATOMIC);
+	rcu_read_lock();
+	genlmsg_multicast_allns(msg, 0, nl80211_regulatory_mcgrp.id,
+				GFP_ATOMIC);
+	rcu_read_unlock();
 
 	return;