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

  /*
   * MAC commands interface
   *
   * Copyright 2007-2012 Siemens AG
   *

   * Written by:
   * Sergey Lapin <slapin@ossfans.org>
   * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
   * Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
   */
  
  #include <linux/skbuff.h>
  #include <linux/if_arp.h>

  #include <linux/ieee802154.h>

  
  #include <net/ieee802154_netdev.h>

  #include <net/cfg802154.h>

  #include <net/mac802154.h>

  #include "ieee802154_i.h"

  #include "driver-ops.h"

  static int mac802154_mlme_start_req(struct net_device *dev,

  				    struct ieee802154_addr *addr,

  				    u8 channel, u8 page,
  				    u8 bcn_ord, u8 sf_ord,
  				    u8 pan_coord, u8 blx,
  				    u8 coord_realign)
  {

  	struct ieee802154_llsec_params params;
  	int changed = 0;

  	ASSERT_RTNL();

  	BUG_ON(addr->mode != IEEE802154_ADDR_SHORT);

  	dev->ieee802154_ptr->pan_id = addr->pan_id;
  	dev->ieee802154_ptr->short_addr = addr->short_addr;

  	mac802154_dev_set_page_channel(dev, page, channel);

  	params.pan_id = addr->pan_id;
  	changed |= IEEE802154_LLSEC_PARAM_PAN_ID;

  	params.hwaddr = ieee802154_devaddr_from_raw(dev->dev_addr);
  	changed |= IEEE802154_LLSEC_PARAM_HWADDR;

  	params.coord_hwaddr = params.hwaddr;
  	changed |= IEEE802154_LLSEC_PARAM_COORD_HWADDR;

  	params.coord_shortaddr = addr->short_addr;
  	changed |= IEEE802154_LLSEC_PARAM_COORD_SHORTADDR;

  	return mac802154_set_params(dev, &params, changed);

  }

  static int mac802154_set_mac_params(struct net_device *dev,
  				    const struct ieee802154_mac_params *params)
  {
  	struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);

  	struct ieee802154_local *local = sdata->local;

  	struct wpan_dev *wpan_dev = &sdata->wpan_dev;

  	int ret;

  	ASSERT_RTNL();

  	/* PHY */
  	wpan_dev->wpan_phy->transmit_power = params->transmit_power;

  	wpan_dev->wpan_phy->cca = params->cca;

  	wpan_dev->wpan_phy->cca_ed_level = params->cca_ed_level;
  
  	/* MAC */
  	wpan_dev->min_be = params->min_be;
  	wpan_dev->max_be = params->max_be;
  	wpan_dev->csma_retries = params->csma_retries;
  	wpan_dev->frame_retries = params->frame_retries;
  	wpan_dev->lbt = params->lbt;

  	if (local->hw.phy->flags & WPAN_PHY_FLAG_TXPOWER) {

  		ret = drv_set_tx_power(local, params->transmit_power);
  		if (ret < 0)
  			return ret;
  	}

  	if (local->hw.phy->flags & WPAN_PHY_FLAG_CCA_MODE) {

  		ret = drv_set_cca_mode(local, &params->cca);

  		if (ret < 0)
  			return ret;
  	}

  	if (local->hw.phy->flags & WPAN_PHY_FLAG_CCA_ED_LEVEL) {

  		ret = drv_set_cca_ed_level(local, params->cca_ed_level);
  		if (ret < 0)
  			return ret;
  	}

  	return 0;
  }
  
  static void mac802154_get_mac_params(struct net_device *dev,
  				     struct ieee802154_mac_params *params)
  {
  	struct ieee802154_sub_if_data *sdata = IEEE802154_DEV_TO_SUB_IF(dev);

  	struct wpan_dev *wpan_dev = &sdata->wpan_dev;

  	ASSERT_RTNL();

  	/* PHY */
  	params->transmit_power = wpan_dev->wpan_phy->transmit_power;

  	params->cca = wpan_dev->wpan_phy->cca;

  	params->cca_ed_level = wpan_dev->wpan_phy->cca_ed_level;
  
  	/* MAC */
  	params->min_be = wpan_dev->min_be;
  	params->max_be = wpan_dev->max_be;
  	params->csma_retries = wpan_dev->csma_retries;
  	params->frame_retries = wpan_dev->frame_retries;
  	params->lbt = wpan_dev->lbt;

  }

  static const struct ieee802154_llsec_ops mac802154_llsec_ops = {

  	.get_params = mac802154_get_params,
  	.set_params = mac802154_set_params,
  	.add_key = mac802154_add_key,
  	.del_key = mac802154_del_key,
  	.add_dev = mac802154_add_dev,
  	.del_dev = mac802154_del_dev,
  	.add_devkey = mac802154_add_devkey,
  	.del_devkey = mac802154_del_devkey,
  	.add_seclevel = mac802154_add_seclevel,
  	.del_seclevel = mac802154_del_seclevel,
  	.lock_table = mac802154_lock_table,
  	.get_table = mac802154_get_table,
  	.unlock_table = mac802154_unlock_table,
  };

  struct ieee802154_mlme_ops mac802154_mlme_wpan = {

  	.start_req = mac802154_mlme_start_req,

  	.llsec = &mac802154_llsec_ops,

  	.set_mac_params = mac802154_set_mac_params,
  	.get_mac_params = mac802154_get_mac_params,

  };