// 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\n");
        } 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);
}