// SPDX-License-Identifier: GPL-2.0-only

  /*
   * Copyright 2007-2012 Siemens AG
   *

   * Written by:
   * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
   * Sergey Lapin <slapin@ossfans.org>
   * Maxim Gorbachyov <maxim.gorbachev@siemens.com>
   * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
   */
  
  #include <linux/if_arp.h>
  
  #include <net/mac802154.h>

  #include <net/ieee802154_netdev.h>

  #include <net/cfg802154.h>

  #include "ieee802154_i.h"

  #include "driver-ops.h"

  void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan)
  {

  	struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);

  	struct ieee802154_local *local = sdata->local;
  	int res;

  	ASSERT_RTNL();

  	BUG_ON(dev->type != ARPHRD_IEEE802154);

  	res = drv_set_channel(local, page, chan);
  	if (res) {
  		pr_debug("set_channel failed
  ");

  	} else {

  		local->phy->current_channel = chan;
  		local->phy->current_page = page;

  	}

  }

  int mac802154_get_params(struct net_device *dev,
  			 struct ieee802154_llsec_params *params)
  {

  	struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);

  	int res;
  
  	BUG_ON(dev->type != ARPHRD_IEEE802154);

  	mutex_lock(&sdata->sec_mtx);
  	res = mac802154_llsec_get_params(&sdata->sec, params);
  	mutex_unlock(&sdata->sec_mtx);

  
  	return res;
  }
  
  int mac802154_set_params(struct net_device *dev,
  			 const struct ieee802154_llsec_params *params,
  			 int changed)
  {

  	struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);

  	int res;
  
  	BUG_ON(dev->type != ARPHRD_IEEE802154);

  	mutex_lock(&sdata->sec_mtx);
  	res = mac802154_llsec_set_params(&sdata->sec, params, changed);
  	mutex_unlock(&sdata->sec_mtx);

  
  	return res;
  }

  int mac802154_add_key(struct net_device *dev,
  		      const struct ieee802154_llsec_key_id *id,
  		      const struct ieee802154_llsec_key *key)
  {

  	struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);

  	int res;
  
  	BUG_ON(dev->type != ARPHRD_IEEE802154);

  	mutex_lock(&sdata->sec_mtx);
  	res = mac802154_llsec_key_add(&sdata->sec, id, key);
  	mutex_unlock(&sdata->sec_mtx);

  
  	return res;
  }
  
  int mac802154_del_key(struct net_device *dev,
  		      const struct ieee802154_llsec_key_id *id)
  {

  	struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);

  	int res;
  
  	BUG_ON(dev->type != ARPHRD_IEEE802154);

  	mutex_lock(&sdata->sec_mtx);
  	res = mac802154_llsec_key_del(&sdata->sec, id);
  	mutex_unlock(&sdata->sec_mtx);

  
  	return res;
  }

  int mac802154_add_dev(struct net_device *dev,
  		      const struct ieee802154_llsec_device *llsec_dev)
  {

  	struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);

  	int res;
  
  	BUG_ON(dev->type != ARPHRD_IEEE802154);

  	mutex_lock(&sdata->sec_mtx);
  	res = mac802154_llsec_dev_add(&sdata->sec, llsec_dev);
  	mutex_unlock(&sdata->sec_mtx);

  
  	return res;
  }
  
  int mac802154_del_dev(struct net_device *dev, __le64 dev_addr)
  {

  	struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);

  	int res;
  
  	BUG_ON(dev->type != ARPHRD_IEEE802154);

  	mutex_lock(&sdata->sec_mtx);
  	res = mac802154_llsec_dev_del(&sdata->sec, dev_addr);
  	mutex_unlock(&sdata->sec_mtx);

  
  	return res;
  }

  int mac802154_add_devkey(struct net_device *dev,
  			 __le64 device_addr,
  			 const struct ieee802154_llsec_device_key *key)
  {

  	struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);

  	int res;
  
  	BUG_ON(dev->type != ARPHRD_IEEE802154);

  	mutex_lock(&sdata->sec_mtx);
  	res = mac802154_llsec_devkey_add(&sdata->sec, device_addr, key);
  	mutex_unlock(&sdata->sec_mtx);

  
  	return res;
  }
  
  int mac802154_del_devkey(struct net_device *dev,
  			 __le64 device_addr,
  			 const struct ieee802154_llsec_device_key *key)
  {

  	struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);

  	int res;
  
  	BUG_ON(dev->type != ARPHRD_IEEE802154);

  	mutex_lock(&sdata->sec_mtx);
  	res = mac802154_llsec_devkey_del(&sdata->sec, device_addr, key);
  	mutex_unlock(&sdata->sec_mtx);

  
  	return res;
  }

  int mac802154_add_seclevel(struct net_device *dev,
  			   const struct ieee802154_llsec_seclevel *sl)
  {

  	struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);

  	int res;
  
  	BUG_ON(dev->type != ARPHRD_IEEE802154);

  	mutex_lock(&sdata->sec_mtx);
  	res = mac802154_llsec_seclevel_add(&sdata->sec, sl);
  	mutex_unlock(&sdata->sec_mtx);

  
  	return res;
  }
  
  int mac802154_del_seclevel(struct net_device *dev,
  			   const struct ieee802154_llsec_seclevel *sl)
  {

  	struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);

  	int res;
  
  	BUG_ON(dev->type != ARPHRD_IEEE802154);

  	mutex_lock(&sdata->sec_mtx);
  	res = mac802154_llsec_seclevel_del(&sdata->sec, sl);
  	mutex_unlock(&sdata->sec_mtx);

  
  	return res;
  }

  void mac802154_lock_table(struct net_device *dev)
  {

  	struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);

  
  	BUG_ON(dev->type != ARPHRD_IEEE802154);

  	mutex_lock(&sdata->sec_mtx);

  }
  
  void mac802154_get_table(struct net_device *dev,
  			 struct ieee802154_llsec_table **t)
  {

  	struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);

  
  	BUG_ON(dev->type != ARPHRD_IEEE802154);

  	*t = &sdata->sec.table;

  }
  
  void mac802154_unlock_table(struct net_device *dev)
  {

  	struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);

  
  	BUG_ON(dev->type != ARPHRD_IEEE802154);

  	mutex_unlock(&sdata->sec_mtx);

  }