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__
+++ /dev/null
-/*
- * 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_dev *
-ieee802154_alloc_device(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 align 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_device);
-
-void ieee802154_free_device(struct ieee802154_dev *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_device);
-
-int ieee802154_register_device(struct ieee802154_dev *dev)
-{
- struct mac802154_priv *priv = mac802154_to_priv(dev);
- int rc = -ENOSYS;
-
- if (dev->flags & IEEE802154_HW_TXPOWER) {
- if (!priv->ops->set_txpower)
- goto out;
-
- priv->phy->set_txpower = mac802154_set_txpower;
- }
-
- if (dev->flags & IEEE802154_HW_LBT) {
- if (!priv->ops->set_lbt)
- goto out;
-
- priv->phy->set_lbt = mac802154_set_lbt;
- }
-
- if (dev->flags & IEEE802154_HW_CCA_MODE) {
- if (!priv->ops->set_cca_mode)
- goto out;
-
- priv->phy->set_cca_mode = mac802154_set_cca_mode;
- }
-
- if (dev->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 (dev->flags & IEEE802154_HW_CSMA_PARAMS) {
- if (!priv->ops->set_csma_params)
- goto out;
-
- priv->phy->set_csma_params = mac802154_set_csma_params;
- }
-
- if (dev->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_device);
-
-void ieee802154_unregister_device(struct ieee802154_dev *dev)
-{
- struct mac802154_priv *priv = mac802154_to_priv(dev);
- 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_device);
-
-MODULE_DESCRIPTION("IEEE 802.15.4 implementation");
-MODULE_LICENSE("GPL v2");
--- /dev/null
+/*
+ * 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_dev *
+ieee802154_alloc_device(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 align 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_device);
+
+void ieee802154_free_device(struct ieee802154_dev *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_device);
+
+int ieee802154_register_device(struct ieee802154_dev *dev)
+{
+ struct mac802154_priv *priv = mac802154_to_priv(dev);
+ int rc = -ENOSYS;
+
+ if (dev->flags & IEEE802154_HW_TXPOWER) {
+ if (!priv->ops->set_txpower)
+ goto out;
+
+ priv->phy->set_txpower = mac802154_set_txpower;
+ }
+
+ if (dev->flags & IEEE802154_HW_LBT) {
+ if (!priv->ops->set_lbt)
+ goto out;
+
+ priv->phy->set_lbt = mac802154_set_lbt;
+ }
+
+ if (dev->flags & IEEE802154_HW_CCA_MODE) {
+ if (!priv->ops->set_cca_mode)
+ goto out;
+
+ priv->phy->set_cca_mode = mac802154_set_cca_mode;
+ }
+
+ if (dev->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 (dev->flags & IEEE802154_HW_CSMA_PARAMS) {
+ if (!priv->ops->set_csma_params)
+ goto out;
+
+ priv->phy->set_csma_params = mac802154_set_csma_params;
+ }
+
+ if (dev->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_device);
+
+void ieee802154_unregister_device(struct ieee802154_dev *dev)
+{
+ struct mac802154_priv *priv = mac802154_to_priv(dev);
+ 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_device);
+
+MODULE_DESCRIPTION("IEEE 802.15.4 implementation");
+MODULE_LICENSE("GPL v2");
projects / firefly-linux-kernel-4.4.55.git / commitdiff