diff --git a/drivers/ieee802154/Kconfig b/drivers/ieee802154/Kconfig
index 9b9f43a..b68b5c5 100644
--- a/drivers/ieee802154/Kconfig
+++ b/drivers/ieee802154/Kconfig
@@ -20,3 +20,16 @@ config IEEE802154_FAKEHARD
           This driver can also be built as a module. To do so say M here.
 	  The module will be called 'fakehard'.
 
+
+if IEEE802154_DRIVERS && MAC802154
+config IEEE802154_FAKELB
+	tristate "Fake LR-WPAN driver with several interconnected devices"
+	---help---
+	  Say Y here to enable the fake driver that can emulate a net
+          of several interconnected radio devices.
+
+          This driver can also be built as a module. To do so say M here.
+	  The module will be called 'fakelb'.
+
+endif
+
diff --git a/drivers/ieee802154/Makefile b/drivers/ieee802154/Makefile
index e0e8e1a..2bd7bdf 100644
--- a/drivers/ieee802154/Makefile
+++ b/drivers/ieee802154/Makefile
@@ -1,3 +1,4 @@
 obj-$(CONFIG_IEEE802154_FAKEHARD) += fakehard.o
+obj-$(CONFIG_IEEE802154_FAKELB) += fakelb.o
 
 EXTRA_CFLAGS += -DDEBUG -DCONFIG_FFD
diff --git a/drivers/ieee802154/fakelb.c b/drivers/ieee802154/fakelb.c
new file mode 100644
index 0000000..85aa307
--- /dev/null
+++ b/drivers/ieee802154/fakelb.c
@@ -0,0 +1,345 @@
+/*
+ * Loopback IEEE 802.15.4 interface
+ *
+ * Copyright 2007, 2008 Siemens AG
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Written by:
+ * Sergey Lapin <slapin@ossfans.org>
+ * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
+ */
+
+#include <linux/module.h>
+#include <linux/timer.h>
+#include <linux/platform_device.h>
+#include <linux/netdevice.h>
+#include <linux/rtnetlink.h>
+#include <linux/spinlock.h>
+#include <net/ieee802154/mac802154.h>
+
+struct fake_dev_priv {
+	struct ieee802154_dev *dev;
+	phy_status_t cur_state, pend_state;
+
+	struct list_head list;
+	struct fake_priv *fake;
+};
+
+struct fake_priv {
+	struct list_head list;
+	rwlock_t lock;
+};
+
+static int is_transmitting(struct ieee802154_dev *dev)
+{
+	return 0;
+}
+
+static int is_receiving(struct ieee802154_dev *dev)
+{
+	return 0;
+}
+
+static phy_status_t
+hw_ed(struct ieee802154_dev *dev, u8 *level)
+{
+	pr_debug("%s\n", __func__);
+	might_sleep();
+	BUG_ON(!level);
+	*level = 0xbe;
+	return PHY_SUCCESS;
+}
+
+static phy_status_t
+hw_cca(struct ieee802154_dev *dev)
+{
+	pr_debug("%s\n", __func__);
+	might_sleep();
+	return PHY_IDLE;
+}
+
+static phy_status_t
+hw_state(struct ieee802154_dev *dev, phy_status_t state)
+{
+	struct fake_dev_priv *priv = dev->priv;
+	pr_debug("%s %d %d\n", __func__, priv->cur_state, state);
+	might_sleep();
+	if (state != PHY_TRX_OFF &&
+	    state != PHY_RX_ON &&
+	    state != PHY_TX_ON &&
+	    state != PHY_FORCE_TRX_OFF)
+		return PHY_INVAL;
+	else if (state == PHY_FORCE_TRX_OFF) {
+		priv->cur_state = PHY_TRX_OFF;
+		return PHY_SUCCESS;
+	} else if (priv->cur_state == state)
+		return state;
+	else if ((state == PHY_TRX_OFF || state == PHY_RX_ON) &&
+			is_transmitting(dev)) {
+		priv->pend_state = state;
+		return PHY_BUSY_TX;
+	} else if ((state == PHY_TRX_OFF || state == PHY_TX_ON) &&
+			is_receiving(dev)) {
+		priv->pend_state = state;
+		return PHY_BUSY_RX;
+	} else {
+		priv->cur_state = state;
+		return PHY_SUCCESS;
+	}
+}
+
+static phy_status_t
+hw_channel(struct ieee802154_dev *dev, int channel)
+{
+	pr_debug("%s %d\n", __func__, channel);
+	might_sleep();
+	dev->current_channel = channel;
+	return PHY_SUCCESS;
+}
+
+static void
+hw_deliver(struct fake_dev_priv *priv, struct sk_buff *skb)
+{
+	struct sk_buff *newskb;
+
+	newskb = pskb_copy(skb, GFP_ATOMIC);
+
+	ieee802154_rx_irqsafe(priv->dev, newskb, 0xcc);
+}
+
+static int
+hw_tx(struct ieee802154_dev *dev, struct sk_buff *skb)
+{
+	struct fake_dev_priv *priv = dev->priv;
+	struct fake_priv *fake = priv->fake;
+
+	might_sleep();
+
+	read_lock_bh(&fake->lock);
+	if (priv->list.next == priv->list.prev) {
+		/* we are the only one device */
+		hw_deliver(priv, skb);
+	} else {
+		struct fake_dev_priv *dp;
+		list_for_each_entry(dp, &priv->fake->list, list)
+			if (dp != priv &&
+			    dp->dev->current_channel == priv->dev->current_channel)
+				hw_deliver(dp, skb);
+	}
+	read_unlock_bh(&fake->lock);
+
+	return PHY_SUCCESS;
+}
+
+static struct ieee802154_ops fake_ops = {
+	.owner = THIS_MODULE,
+	.tx = hw_tx,
+	.ed = hw_ed,
+	.cca = hw_cca,
+	.set_trx_state = hw_state,
+	.set_channel = hw_channel,
+};
+
+static int ieee802154fake_add_priv(struct device *dev, struct fake_priv *fake,
+		const u8 *macaddr)
+{
+	struct fake_dev_priv *priv;
+	int err = -ENOMEM;
+
+	priv = kzalloc(sizeof(struct fake_dev_priv), GFP_KERNEL);
+	if (!priv)
+		goto err_alloc;
+
+	INIT_LIST_HEAD(&priv->list);
+
+	priv->dev = ieee802154_alloc_device();
+	if (!priv->dev)
+		goto err_alloc_dev;
+	priv->dev->name = "IEEE 802.15.4 fake";
+	priv->dev->priv = priv;
+	priv->dev->parent = dev;
+	priv->fake = fake;
+
+	err = ieee802154_register_device(priv->dev, &fake_ops);
+	if (err)
+		goto err_reg;
+	rtnl_lock();
+	err = ieee802154_add_slave(priv->dev, macaddr);
+	rtnl_unlock();
+	if (err < 0)
+		goto err_slave;
+
+	write_lock_bh(&fake->lock);
+	list_add_tail(&priv->list, &fake->list);
+	write_unlock_bh(&fake->lock);
+
+	return 0;
+
+err_slave:
+	ieee802154_unregister_device(priv->dev);
+err_reg:
+	ieee802154_free_device(priv->dev);
+err_alloc_dev:
+	kfree(priv);
+err_alloc:
+	return err;
+}
+
+static void ieee802154fake_del_priv(struct fake_dev_priv *priv)
+{
+	write_lock_bh(&priv->fake->lock);
+	list_del(&priv->list);
+	write_unlock_bh(&priv->fake->lock);
+
+	ieee802154_unregister_device(priv->dev);
+	ieee802154_free_device(priv->dev);
+	kfree(priv);
+}
+
+static ssize_t
+adddev_store(struct device *dev, struct device_attribute *attr,
+	const char *buf, size_t n)
+{
+	struct platform_device *pdev = to_platform_device(dev);
+	struct fake_priv *priv = platform_get_drvdata(pdev);
+	char hw[8] = {};
+	int i, j, ch, err;
+
+	for (i = 0, j = 0; i < 16 && j < n; j++) {
+		ch = buf[j];
+		switch (buf[j]) {
+		default:
+			return -EINVAL;
+		case '0'...'9':
+			ch -= '0';
+			break;
+		case 'A'...'F':
+			ch -= 'A' - 10;
+			break;
+		case 'a'...'f':
+			ch -= 'a' - 10;
+			break;
+		case ':':
+		case '.':
+			continue;
+		}
+		if (i % 2)
+			hw[i/2] = (hw[i/2] & 0xf0) | ch;
+		else
+			hw[i/2] = ch << 4;
+		i++;
+	}
+	if (i != 16)
+		return -EINVAL;
+	err = ieee802154fake_add_priv(dev, priv, hw);
+	if (err)
+		return err;
+	return n;
+}
+
+static DEVICE_ATTR(adddev, 0200, NULL, adddev_store);
+
+static struct attribute *fake_attrs[] = {
+	&dev_attr_adddev.attr,
+	NULL,
+};
+
+static struct attribute_group fake_group = {
+	.name	= NULL /* fake */,
+	.attrs	= fake_attrs,
+};
+
+
+static int __devinit ieee802154fake_probe(struct platform_device *pdev)
+{
+	struct fake_priv *priv;
+	struct fake_dev_priv *dp;
+
+	int err = -ENOMEM;
+	priv = kzalloc(sizeof(struct fake_priv), GFP_KERNEL);
+	if (!priv)
+		goto err_alloc;
+
+	INIT_LIST_HEAD(&priv->list);
+	rwlock_init(&priv->lock);
+
+	err = sysfs_create_group(&pdev->dev.kobj, &fake_group);
+	if (err)
+		goto err_grp;
+
+	err = ieee802154fake_add_priv(&pdev->dev, priv,
+			"\xde\xad\xbe\xaf\xca\xfe\xba\xbe");
+	if (err < 0)
+		goto err_slave;
+
+/*	err = ieee802154fake_add_priv(priv,
+			"\x67\x45\x23\x01\x67\x45\x23\x01");
+	if (err < 0)
+		goto err_slave;*/
+
+	platform_set_drvdata(pdev, priv);
+	dev_info(&pdev->dev, "Added ieee802154 hardware\n");
+	return 0;
+
+err_slave:
+	list_for_each_entry(dp, &priv->list, list)
+		ieee802154fake_del_priv(dp);
+	sysfs_remove_group(&pdev->dev.kobj, &fake_group);
+err_grp:
+	kfree(priv);
+err_alloc:
+	return err;
+}
+
+static int __devexit ieee802154fake_remove(struct platform_device *pdev)
+{
+	struct fake_priv *priv = platform_get_drvdata(pdev);
+	struct fake_dev_priv *dp, *temp;
+
+	list_for_each_entry_safe(dp, temp, &priv->list, list)
+		ieee802154fake_del_priv(dp);
+	sysfs_remove_group(&pdev->dev.kobj, &fake_group);
+	kfree(priv);
+	return 0;
+}
+
+static struct platform_device *ieee802154fake_dev;
+
+static struct platform_driver ieee802154fake_driver = {
+	.probe = ieee802154fake_probe,
+	.remove = __devexit_p(ieee802154fake_remove),
+	.driver = {
+			.name = "ieee802154fakelb",
+			.owner = THIS_MODULE,
+	},
+};
+
+static __init int fake_init(void)
+{
+	ieee802154fake_dev = platform_device_register_simple(
+			"ieee802154fakelb", -1, NULL, 0);
+	return platform_driver_register(&ieee802154fake_driver);
+}
+
+static __exit void fake_exit(void)
+{
+	platform_driver_unregister(&ieee802154fake_driver);
+	platform_device_unregister(ieee802154fake_dev);
+}
+
+module_init(fake_init);
+module_exit(fake_exit);
+MODULE_LICENSE("GPL");
+
