[PATCH wpan-next 02/11] mac802154: rename ieee802154_dev.c to main.c

[Alexander Aring <alex.aring@gmail.com>]

This file contains hw functionality which is similar to the
net/mac80211/main.c file.

This patch is part of getting wireless feeling into the ieee802154
implementation.

Signed-off-by: Alexander Aring <alex.aring@gmail.com>
---
 net/mac802154/Makefile         |   2 +-
 net/mac802154/ieee802154_dev.c | 415 -----------------------------------------
 net/mac802154/main.c           | 411 ++++++++++++++++++++++++++++++++++++++++
 3 files changed, 412 insertions(+), 416 deletions(-)
 delete mode 100644 net/mac802154/ieee802154_dev.c
 create mode 100644 net/mac802154/main.c

diff --git a/net/mac802154/Makefile b/net/mac802154/Makefile
index 9723d6f..1ecbc47 100644
--- a/net/mac802154/Makefile
+++ b/net/mac802154/Makefile
@@ -1,5 +1,5 @@
 obj-$(CONFIG_MAC802154)	+= mac802154.o
-mac802154-objs		:= ieee802154_dev.o rx.o tx.o mac_cmd.o mib.o \
+mac802154-objs		:= main.o rx.o tx.o mac_cmd.o mib.o \
 			   monitor.o wpan.o llsec.o
 
 ccflags-y += -D__CHECK_ENDIAN__
diff --git a/net/mac802154/ieee802154_dev.c b/net/mac802154/ieee802154_dev.c
deleted file mode 100644
index adb3f76..0000000
--- a/net/mac802154/ieee802154_dev.c
+++ /dev/null
@@ -1,415 +0,0 @@
-/*
- * Copyright (C) 2007-2012 Siemens AG
- *
- * Written by:
- * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
- *
- * Based on the code from 'linux-zigbee.sourceforge.net' project.
- *
- * 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.
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/netdevice.h>
-
-#include <net/netlink.h>
-#include <linux/nl802154.h>
-#include <net/mac802154.h>
-#include <net/ieee802154_netdev.h>
-#include <net/route.h>
-#include <net/wpan-phy.h>
-
-#include "mac802154.h"
-
-int mac802154_slave_open(struct net_device *dev)
-{
-	struct mac802154_sub_if_data *priv = netdev_priv(dev);
-	struct mac802154_sub_if_data *subif;
-	struct mac802154_priv *ipriv = priv->hw;
-	int res = 0;
-
-	ASSERT_RTNL();
-
-	if (priv->type == IEEE802154_DEV_WPAN) {
-		mutex_lock(&priv->hw->slaves_mtx);
-		list_for_each_entry(subif, &priv->hw->slaves, list) {
-			if (subif != priv && subif->type == priv->type &&
-			    subif->running) {
-				mutex_unlock(&priv->hw->slaves_mtx);
-				return -EBUSY;
-			}
-		}
-		mutex_unlock(&priv->hw->slaves_mtx);
-	}
-
-	mutex_lock(&priv->hw->slaves_mtx);
-	priv->running = true;
-	mutex_unlock(&priv->hw->slaves_mtx);
-
-	if (ipriv->open_count++ == 0) {
-		res = ipriv->ops->start(&ipriv->hw);
-		WARN_ON(res);
-		if (res)
-			goto err;
-	}
-
-	if (ipriv->ops->ieee_addr) {
-		__le64 addr = ieee802154_devaddr_from_raw(dev->dev_addr);
-
-		res = ipriv->ops->ieee_addr(&ipriv->hw, addr);
-		WARN_ON(res);
-		if (res)
-			goto err;
-		mac802154_dev_set_ieee_addr(dev);
-	}
-
-	netif_start_queue(dev);
-	return 0;
-err:
-	priv->hw->open_count--;
-
-	return res;
-}
-
-int mac802154_slave_close(struct net_device *dev)
-{
-	struct mac802154_sub_if_data *priv = netdev_priv(dev);
-	struct mac802154_priv *ipriv = priv->hw;
-
-	ASSERT_RTNL();
-
-	netif_stop_queue(dev);
-
-	mutex_lock(&priv->hw->slaves_mtx);
-	priv->running = false;
-	mutex_unlock(&priv->hw->slaves_mtx);
-
-	if (!--ipriv->open_count)
-		ipriv->ops->stop(&ipriv->hw);
-
-	return 0;
-}
-
-static int
-mac802154_netdev_register(struct wpan_phy *phy, struct net_device *dev)
-{
-	struct mac802154_sub_if_data *priv;
-	struct mac802154_priv *ipriv;
-	int err;
-
-	ipriv = wpan_phy_priv(phy);
-
-	priv = netdev_priv(dev);
-	priv->dev = dev;
-	priv->hw = ipriv;
-
-	dev->needed_headroom = ipriv->hw.extra_tx_headroom;
-
-	SET_NETDEV_DEV(dev, &ipriv->phy->dev);
-
-	mutex_lock(&ipriv->slaves_mtx);
-	if (!ipriv->running) {
-		mutex_unlock(&ipriv->slaves_mtx);
-		return -ENODEV;
-	}
-	mutex_unlock(&ipriv->slaves_mtx);
-
-	err = register_netdev(dev);
-	if (err < 0)
-		return err;
-
-	rtnl_lock();
-	mutex_lock(&ipriv->slaves_mtx);
-	list_add_tail_rcu(&priv->list, &ipriv->slaves);
-	mutex_unlock(&ipriv->slaves_mtx);
-	rtnl_unlock();
-
-	return 0;
-}
-
-static void
-mac802154_del_iface(struct wpan_phy *phy, struct net_device *dev)
-{
-	struct mac802154_sub_if_data *sdata;
-
-	ASSERT_RTNL();
-
-	sdata = netdev_priv(dev);
-
-	BUG_ON(sdata->hw->phy != phy);
-
-	mutex_lock(&sdata->hw->slaves_mtx);
-	list_del_rcu(&sdata->list);
-	mutex_unlock(&sdata->hw->slaves_mtx);
-
-	synchronize_rcu();
-	unregister_netdevice(sdata->dev);
-}
-
-static struct net_device *
-mac802154_add_iface(struct wpan_phy *phy, const char *name, int type)
-{
-	struct net_device *dev;
-	int err = -ENOMEM;
-
-	switch (type) {
-	case IEEE802154_DEV_MONITOR:
-		dev = alloc_netdev(sizeof(struct mac802154_sub_if_data),
-				   name, NET_NAME_UNKNOWN,
-				   mac802154_monitor_setup);
-		break;
-	case IEEE802154_DEV_WPAN:
-		dev = alloc_netdev(sizeof(struct mac802154_sub_if_data),
-				   name, NET_NAME_UNKNOWN,
-				   mac802154_wpan_setup);
-		break;
-	default:
-		dev = NULL;
-		err = -EINVAL;
-		break;
-	}
-	if (!dev)
-		goto err;
-
-	err = mac802154_netdev_register(phy, dev);
-	if (err)
-		goto err_free;
-
-	dev_hold(dev); /* we return an incremented device refcount */
-	return dev;
-
-err_free:
-	free_netdev(dev);
-err:
-	return ERR_PTR(err);
-}
-
-static int mac802154_set_txpower(struct wpan_phy *phy, int db)
-{
-	struct mac802154_priv *priv = wpan_phy_priv(phy);
-
-	return priv->ops->set_txpower(&priv->hw, db);
-}
-
-static int mac802154_set_lbt(struct wpan_phy *phy, bool on)
-{
-	struct mac802154_priv *priv = wpan_phy_priv(phy);
-
-	return priv->ops->set_lbt(&priv->hw, on);
-}
-
-static int mac802154_set_cca_mode(struct wpan_phy *phy, u8 mode)
-{
-	struct mac802154_priv *priv = wpan_phy_priv(phy);
-
-	return priv->ops->set_cca_mode(&priv->hw, mode);
-}
-
-static int mac802154_set_cca_ed_level(struct wpan_phy *phy, s32 level)
-{
-	struct mac802154_priv *priv = wpan_phy_priv(phy);
-
-	return priv->ops->set_cca_ed_level(&priv->hw, level);
-}
-
-static int mac802154_set_csma_params(struct wpan_phy *phy, u8 min_be,
-				     u8 max_be, u8 retries)
-{
-	struct mac802154_priv *priv = wpan_phy_priv(phy);
-
-	return priv->ops->set_csma_params(&priv->hw, min_be, max_be, retries);
-}
-
-static int mac802154_set_frame_retries(struct wpan_phy *phy, s8 retries)
-{
-	struct mac802154_priv *priv = wpan_phy_priv(phy);
-
-	return priv->ops->set_frame_retries(&priv->hw, retries);
-}
-
-struct ieee802154_hw *
-ieee802154_alloc_hw(size_t priv_data_len, struct ieee802154_ops *ops)
-{
-	struct wpan_phy *phy;
-	struct mac802154_priv *priv;
-	size_t priv_size;
-
-	if (!ops || !ops->xmit || !ops->ed || !ops->start ||
-	    !ops->stop || !ops->set_channel) {
-		pr_err("undefined IEEE802.15.4 device operations\n");
-		return NULL;
-	}
-
-	/* Ensure 32-byte alignment of our private data and hw private data.
-	 * We use the wpan_phy priv data for both our mac802154_priv and for
-	 * the driver's private data
-	 *
-	 * in memory it'll be like this:
-	 *
-	 * +-----------------------+
-	 * | struct wpan_phy       |
-	 * +-----------------------+
-	 * | struct mac802154_priv |
-	 * +-----------------------+
-	 * | driver's private data |
-	 * +-----------------------+
-	 *
-	 * Due to ieee802154 layer isn't aware of driver and MAC structures,
-	 * so lets allign them here.
-	 */
-
-	priv_size = ALIGN(sizeof(*priv), NETDEV_ALIGN) + priv_data_len;
-
-	phy = wpan_phy_alloc(priv_size);
-	if (!phy) {
-		pr_err("failure to allocate master IEEE802.15.4 device\n");
-		return NULL;
-	}
-
-	priv = wpan_phy_priv(phy);
-	priv->phy = phy;
-	priv->hw.phy = priv->phy;
-	priv->hw.priv = (char *)priv + ALIGN(sizeof(*priv), NETDEV_ALIGN);
-	priv->ops = ops;
-
-	INIT_LIST_HEAD(&priv->slaves);
-	mutex_init(&priv->slaves_mtx);
-
-	return &priv->hw;
-}
-EXPORT_SYMBOL(ieee802154_alloc_hw);
-
-void ieee802154_free_hw(struct ieee802154_hw *hw)
-{
-	struct mac802154_priv *priv = mac802154_to_priv(hw);
-
-	BUG_ON(!list_empty(&priv->slaves));
-
-	mutex_destroy(&priv->slaves_mtx);
-
-	wpan_phy_free(priv->phy);
-}
-EXPORT_SYMBOL(ieee802154_free_hw);
-
-int ieee802154_register_hw(struct ieee802154_hw *hw)
-{
-	struct mac802154_priv *priv = mac802154_to_priv(hw);
-	int rc = -ENOSYS;
-
-	if (hw->flags & IEEE802154_HW_TXPOWER) {
-		if (!priv->ops->set_txpower)
-			goto out;
-
-		priv->phy->set_txpower = mac802154_set_txpower;
-	}
-
-	if (hw->flags & IEEE802154_HW_LBT) {
-		if (!priv->ops->set_lbt)
-			goto out;
-
-		priv->phy->set_lbt = mac802154_set_lbt;
-	}
-
-	if (hw->flags & IEEE802154_HW_CCA_MODE) {
-		if (!priv->ops->set_cca_mode)
-			goto out;
-
-		priv->phy->set_cca_mode = mac802154_set_cca_mode;
-	}
-
-	if (hw->flags & IEEE802154_HW_CCA_ED_LEVEL) {
-		if (!priv->ops->set_cca_ed_level)
-			goto out;
-
-		priv->phy->set_cca_ed_level = mac802154_set_cca_ed_level;
-	}
-
-	if (hw->flags & IEEE802154_HW_CSMA_PARAMS) {
-		if (!priv->ops->set_csma_params)
-			goto out;
-
-		priv->phy->set_csma_params = mac802154_set_csma_params;
-	}
-
-	if (hw->flags & IEEE802154_HW_FRAME_RETRIES) {
-		if (!priv->ops->set_frame_retries)
-			goto out;
-
-		priv->phy->set_frame_retries = mac802154_set_frame_retries;
-	}
-
-	priv->dev_workqueue =
-		create_singlethread_workqueue(wpan_phy_name(priv->phy));
-	if (!priv->dev_workqueue) {
-		rc = -ENOMEM;
-		goto out;
-	}
-
-	wpan_phy_set_dev(priv->phy, priv->hw.parent);
-
-	priv->phy->add_iface = mac802154_add_iface;
-	priv->phy->del_iface = mac802154_del_iface;
-
-	rc = wpan_phy_register(priv->phy);
-	if (rc < 0)
-		goto out_wq;
-
-	rtnl_lock();
-
-	mutex_lock(&priv->slaves_mtx);
-	priv->running = MAC802154_DEVICE_RUN;
-	mutex_unlock(&priv->slaves_mtx);
-
-	rtnl_unlock();
-
-	return 0;
-
-out_wq:
-	destroy_workqueue(priv->dev_workqueue);
-out:
-	return rc;
-}
-EXPORT_SYMBOL(ieee802154_register_hw);
-
-void ieee802154_unregister_hw(struct ieee802154_hw *hw)
-{
-	struct mac802154_priv *priv = mac802154_to_priv(hw);
-	struct mac802154_sub_if_data *sdata, *next;
-
-	flush_workqueue(priv->dev_workqueue);
-	destroy_workqueue(priv->dev_workqueue);
-
-	rtnl_lock();
-
-	mutex_lock(&priv->slaves_mtx);
-	priv->running = MAC802154_DEVICE_STOPPED;
-	mutex_unlock(&priv->slaves_mtx);
-
-	list_for_each_entry_safe(sdata, next, &priv->slaves, list) {
-		mutex_lock(&sdata->hw->slaves_mtx);
-		list_del(&sdata->list);
-		mutex_unlock(&sdata->hw->slaves_mtx);
-
-		unregister_netdevice(sdata->dev);
-	}
-
-	rtnl_unlock();
-
-	wpan_phy_unregister(priv->phy);
-}
-EXPORT_SYMBOL(ieee802154_unregister_hw);
-
-MODULE_DESCRIPTION("IEEE 802.15.4 implementation");
-MODULE_LICENSE("GPL v2");
diff --git a/net/mac802154/main.c b/net/mac802154/main.c
new file mode 100644
index 0000000..645a994
--- /dev/null
+++ b/net/mac802154/main.c
@@ -0,0 +1,411 @@
+/*
+ * Copyright (C) 2007-2012 Siemens AG
+ *
+ * Written by:
+ * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
+ *
+ * Based on the code from 'linux-zigbee.sourceforge.net' project.
+ *
+ * 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.
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/netdevice.h>
+
+#include <net/netlink.h>
+#include <linux/nl802154.h>
+#include <net/mac802154.h>
+#include <net/ieee802154_netdev.h>
+#include <net/route.h>
+#include <net/wpan-phy.h>
+
+#include "mac802154.h"
+
+int mac802154_slave_open(struct net_device *dev)
+{
+	struct mac802154_sub_if_data *priv = netdev_priv(dev);
+	struct mac802154_sub_if_data *subif;
+	struct mac802154_priv *ipriv = priv->hw;
+	int res = 0;
+
+	ASSERT_RTNL();
+
+	if (priv->type == IEEE802154_DEV_WPAN) {
+		mutex_lock(&priv->hw->slaves_mtx);
+		list_for_each_entry(subif, &priv->hw->slaves, list) {
+			if (subif != priv && subif->type == priv->type &&
+			    subif->running) {
+				mutex_unlock(&priv->hw->slaves_mtx);
+				return -EBUSY;
+			}
+		}
+		mutex_unlock(&priv->hw->slaves_mtx);
+	}
+
+	mutex_lock(&priv->hw->slaves_mtx);
+	priv->running = true;
+	mutex_unlock(&priv->hw->slaves_mtx);
+
+	if (ipriv->open_count++ == 0) {
+		res = ipriv->ops->start(&ipriv->hw);
+		WARN_ON(res);
+		if (res)
+			goto err;
+	}
+
+	if (ipriv->ops->ieee_addr) {
+		__le64 addr = ieee802154_devaddr_from_raw(dev->dev_addr);
+
+		res = ipriv->ops->ieee_addr(&ipriv->hw, addr);
+		WARN_ON(res);
+		if (res)
+			goto err;
+		mac802154_dev_set_ieee_addr(dev);
+	}
+
+	netif_start_queue(dev);
+	return 0;
+err:
+	priv->hw->open_count--;
+
+	return res;
+}
+
+int mac802154_slave_close(struct net_device *dev)
+{
+	struct mac802154_sub_if_data *priv = netdev_priv(dev);
+	struct mac802154_priv *ipriv = priv->hw;
+
+	ASSERT_RTNL();
+
+	netif_stop_queue(dev);
+
+	mutex_lock(&priv->hw->slaves_mtx);
+	priv->running = false;
+	mutex_unlock(&priv->hw->slaves_mtx);
+
+	if (!--ipriv->open_count)
+		ipriv->ops->stop(&ipriv->hw);
+
+	return 0;
+}
+
+static int
+mac802154_netdev_register(struct wpan_phy *phy, struct net_device *dev)
+{
+	struct mac802154_sub_if_data *priv;
+	struct mac802154_priv *ipriv;
+	int err;
+
+	ipriv = wpan_phy_priv(phy);
+
+	priv = netdev_priv(dev);
+	priv->dev = dev;
+	priv->hw = ipriv;
+
+	dev->needed_headroom = ipriv->hw.extra_tx_headroom;
+
+	SET_NETDEV_DEV(dev, &ipriv->phy->dev);
+
+	mutex_lock(&ipriv->slaves_mtx);
+	if (!ipriv->running) {
+		mutex_unlock(&ipriv->slaves_mtx);
+		return -ENODEV;
+	}
+	mutex_unlock(&ipriv->slaves_mtx);
+
+	err = register_netdev(dev);
+	if (err < 0)
+		return err;
+
+	rtnl_lock();
+	mutex_lock(&ipriv->slaves_mtx);
+	list_add_tail_rcu(&priv->list, &ipriv->slaves);
+	mutex_unlock(&ipriv->slaves_mtx);
+	rtnl_unlock();
+
+	return 0;
+}
+
+static void
+mac802154_del_iface(struct wpan_phy *phy, struct net_device *dev)
+{
+	struct mac802154_sub_if_data *sdata;
+
+	ASSERT_RTNL();
+
+	sdata = netdev_priv(dev);
+
+	BUG_ON(sdata->hw->phy != phy);
+
+	mutex_lock(&sdata->hw->slaves_mtx);
+	list_del_rcu(&sdata->list);
+	mutex_unlock(&sdata->hw->slaves_mtx);
+
+	synchronize_rcu();
+	unregister_netdevice(sdata->dev);
+}
+
+static struct net_device *
+mac802154_add_iface(struct wpan_phy *phy, const char *name, int type)
+{
+	struct net_device *dev;
+	int err = -ENOMEM;
+
+	switch (type) {
+	case IEEE802154_DEV_MONITOR:
+		dev = alloc_netdev(sizeof(struct mac802154_sub_if_data),
+				   name, NET_NAME_UNKNOWN,
+				   mac802154_monitor_setup);
+		break;
+	case IEEE802154_DEV_WPAN:
+		dev = alloc_netdev(sizeof(struct mac802154_sub_if_data),
+				   name, NET_NAME_UNKNOWN,
+				   mac802154_wpan_setup);
+		break;
+	default:
+		dev = NULL;
+		err = -EINVAL;
+		break;
+	}
+	if (!dev)
+		goto err;
+
+	err = mac802154_netdev_register(phy, dev);
+	if (err)
+		goto err_free;
+
+	dev_hold(dev); /* we return an incremented device refcount */
+	return dev;
+
+err_free:
+	free_netdev(dev);
+err:
+	return ERR_PTR(err);
+}
+
+static int mac802154_set_txpower(struct wpan_phy *phy, int db)
+{
+	struct mac802154_priv *priv = wpan_phy_priv(phy);
+
+	return priv->ops->set_txpower(&priv->hw, db);
+}
+
+static int mac802154_set_lbt(struct wpan_phy *phy, bool on)
+{
+	struct mac802154_priv *priv = wpan_phy_priv(phy);
+
+	return priv->ops->set_lbt(&priv->hw, on);
+}
+
+static int mac802154_set_cca_mode(struct wpan_phy *phy, u8 mode)
+{
+	struct mac802154_priv *priv = wpan_phy_priv(phy);
+
+	return priv->ops->set_cca_mode(&priv->hw, mode);
+}
+
+static int mac802154_set_cca_ed_level(struct wpan_phy *phy, s32 level)
+{
+	struct mac802154_priv *priv = wpan_phy_priv(phy);
+
+	return priv->ops->set_cca_ed_level(&priv->hw, level);
+}
+
+static int mac802154_set_csma_params(struct wpan_phy *phy, u8 min_be,
+				     u8 max_be, u8 retries)
+{
+	struct mac802154_priv *priv = wpan_phy_priv(phy);
+
+	return priv->ops->set_csma_params(&priv->hw, min_be, max_be, retries);
+}
+
+static int mac802154_set_frame_retries(struct wpan_phy *phy, s8 retries)
+{
+	struct mac802154_priv *priv = wpan_phy_priv(phy);
+
+	return priv->ops->set_frame_retries(&priv->hw, retries);
+}
+
+struct ieee802154_hw *
+ieee802154_alloc_hw(size_t priv_data_len, struct ieee802154_ops *ops)
+{
+	struct wpan_phy *phy;
+	struct mac802154_priv *priv;
+	size_t priv_size;
+
+	if (!ops || !ops->xmit || !ops->ed || !ops->start ||
+	    !ops->stop || !ops->set_channel) {
+		pr_err("undefined IEEE802.15.4 device operations\n");
+		return NULL;
+	}
+
+	/* Ensure 32-byte alignment of our private data and hw private data.
+	 * We use the wpan_phy priv data for both our mac802154_priv and for
+	 * the driver's private data
+	 *
+	 * in memory it'll be like this:
+	 *
+	 * +-----------------------+
+	 * | struct wpan_phy       |
+	 * +-----------------------+
+	 * | struct mac802154_priv |
+	 * +-----------------------+
+	 * | driver's private data |
+	 * +-----------------------+
+	 *
+	 * Due to ieee802154 layer isn't aware of driver and MAC structures,
+	 * so lets allign them here.
+	 */
+
+	priv_size = ALIGN(sizeof(*priv), NETDEV_ALIGN) + priv_data_len;
+
+	phy = wpan_phy_alloc(priv_size);
+	if (!phy) {
+		pr_err("failure to allocate master IEEE802.15.4 device\n");
+		return NULL;
+	}
+
+	priv = wpan_phy_priv(phy);
+	priv->phy = phy;
+	priv->hw.phy = priv->phy;
+	priv->hw.priv = (char *)priv + ALIGN(sizeof(*priv), NETDEV_ALIGN);
+	priv->ops = ops;
+
+	INIT_LIST_HEAD(&priv->slaves);
+	mutex_init(&priv->slaves_mtx);
+
+	return &priv->hw;
+}
+EXPORT_SYMBOL(ieee802154_alloc_hw);
+
+void ieee802154_free_hw(struct ieee802154_hw *hw)
+{
+	struct mac802154_priv *priv = mac802154_to_priv(hw);
+
+	BUG_ON(!list_empty(&priv->slaves));
+
+	mutex_destroy(&priv->slaves_mtx);
+
+	wpan_phy_free(priv->phy);
+}
+EXPORT_SYMBOL(ieee802154_free_hw);
+
+int ieee802154_register_hw(struct ieee802154_hw *hw)
+{
+	struct mac802154_priv *priv = mac802154_to_priv(hw);
+	int rc = -ENOSYS;
+
+	if (hw->flags & IEEE802154_HW_TXPOWER) {
+		if (!priv->ops->set_txpower)
+			goto out;
+
+		priv->phy->set_txpower = mac802154_set_txpower;
+	}
+
+	if (hw->flags & IEEE802154_HW_LBT) {
+		if (!priv->ops->set_lbt)
+			goto out;
+
+		priv->phy->set_lbt = mac802154_set_lbt;
+	}
+
+	if (hw->flags & IEEE802154_HW_CCA_MODE) {
+		if (!priv->ops->set_cca_mode)
+			goto out;
+
+		priv->phy->set_cca_mode = mac802154_set_cca_mode;
+	}
+
+	if (hw->flags & IEEE802154_HW_CCA_ED_LEVEL) {
+		if (!priv->ops->set_cca_ed_level)
+			goto out;
+
+		priv->phy->set_cca_ed_level = mac802154_set_cca_ed_level;
+	}
+
+	if (hw->flags & IEEE802154_HW_CSMA_PARAMS) {
+		if (!priv->ops->set_csma_params)
+			goto out;
+
+		priv->phy->set_csma_params = mac802154_set_csma_params;
+	}
+
+	if (hw->flags & IEEE802154_HW_FRAME_RETRIES) {
+		if (!priv->ops->set_frame_retries)
+			goto out;
+
+		priv->phy->set_frame_retries = mac802154_set_frame_retries;
+	}
+
+	priv->dev_workqueue =
+		create_singlethread_workqueue(wpan_phy_name(priv->phy));
+	if (!priv->dev_workqueue) {
+		rc = -ENOMEM;
+		goto out;
+	}
+
+	wpan_phy_set_dev(priv->phy, priv->hw.parent);
+
+	priv->phy->add_iface = mac802154_add_iface;
+	priv->phy->del_iface = mac802154_del_iface;
+
+	rc = wpan_phy_register(priv->phy);
+	if (rc < 0)
+		goto out_wq;
+
+	rtnl_lock();
+
+	mutex_lock(&priv->slaves_mtx);
+	priv->running = MAC802154_DEVICE_RUN;
+	mutex_unlock(&priv->slaves_mtx);
+
+	rtnl_unlock();
+
+	return 0;
+
+out_wq:
+	destroy_workqueue(priv->dev_workqueue);
+out:
+	return rc;
+}
+EXPORT_SYMBOL(ieee802154_register_hw);
+
+void ieee802154_unregister_hw(struct ieee802154_hw *hw)
+{
+	struct mac802154_priv *priv = mac802154_to_priv(hw);
+	struct mac802154_sub_if_data *sdata, *next;
+
+	flush_workqueue(priv->dev_workqueue);
+	destroy_workqueue(priv->dev_workqueue);
+
+	rtnl_lock();
+
+	mutex_lock(&priv->slaves_mtx);
+	priv->running = MAC802154_DEVICE_STOPPED;
+	mutex_unlock(&priv->slaves_mtx);
+
+	list_for_each_entry_safe(sdata, next, &priv->slaves, list) {
+		mutex_lock(&sdata->hw->slaves_mtx);
+		list_del(&sdata->list);
+		mutex_unlock(&sdata->hw->slaves_mtx);
+
+		unregister_netdevice(sdata->dev);
+	}
+
+	rtnl_unlock();
+
+	wpan_phy_unregister(priv->phy);
+}
+EXPORT_SYMBOL(ieee802154_unregister_hw);
+
+MODULE_DESCRIPTION("IEEE 802.15.4 implementation");
+MODULE_LICENSE("GPL v2");
-- 
2.0.3