[deliverable/linux.git] / net / mac802154 / mib.c

/*
 * Copyright 2007-2012 Siemens AG
 *
 * 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.
 *
 * 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/wpan-phy.h>

#include "mac802154.h"

struct phy_chan_notify_work {
	struct work_struct work;
	struct net_device *dev;
};

struct hw_addr_filt_notify_work {
	struct work_struct work;
	struct net_device *dev;
	unsigned long changed;
};

static struct mac802154_priv *mac802154_slave_get_priv(struct net_device *dev)
{
	struct mac802154_sub_if_data *priv = netdev_priv(dev);

	BUG_ON(dev->type != ARPHRD_IEEE802154);

	return priv->hw;
}

static void hw_addr_notify(struct work_struct *work)
{
	struct hw_addr_filt_notify_work *nw = container_of(work,
			struct hw_addr_filt_notify_work, work);
	struct mac802154_priv *hw = mac802154_slave_get_priv(nw->dev);
	int res;

	res = hw->ops->set_hw_addr_filt(&hw->hw,
					&hw->hw.hw_filt,
					nw->changed);
	if (res)
		pr_debug("failed changed mask %lx\n", nw->changed);

	kfree(nw);
}

static void set_hw_addr_filt(struct net_device *dev, unsigned long changed)
{
	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	struct hw_addr_filt_notify_work *work;

	work = kzalloc(sizeof(*work), GFP_ATOMIC);
	if (!work)
		return;

	INIT_WORK(&work->work, hw_addr_notify);
	work->dev = dev;
	work->changed = changed;
	queue_work(priv->hw->dev_workqueue, &work->work);
}

void mac802154_dev_set_short_addr(struct net_device *dev, __le16 val)
{
	struct mac802154_sub_if_data *priv = netdev_priv(dev);

	BUG_ON(dev->type != ARPHRD_IEEE802154);

	spin_lock_bh(&priv->mib_lock);
	priv->short_addr = val;
	spin_unlock_bh(&priv->mib_lock);

	if ((priv->hw->ops->set_hw_addr_filt) &&
	    (priv->hw->hw.hw_filt.short_addr != priv->short_addr)) {
		priv->hw->hw.hw_filt.short_addr = priv->short_addr;
		set_hw_addr_filt(dev, IEEE802515_AFILT_SADDR_CHANGED);
	}
}

__le16 mac802154_dev_get_short_addr(const struct net_device *dev)
{
	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	__le16 ret;

	BUG_ON(dev->type != ARPHRD_IEEE802154);

	spin_lock_bh(&priv->mib_lock);
	ret = priv->short_addr;
	spin_unlock_bh(&priv->mib_lock);

	return ret;
}

void mac802154_dev_set_ieee_addr(struct net_device *dev)
{
	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	struct mac802154_priv *mac = priv->hw;

	priv->extended_addr = ieee802154_devaddr_from_raw(dev->dev_addr);

	if (mac->ops->set_hw_addr_filt &&
	    mac->hw.hw_filt.ieee_addr != priv->extended_addr) {
		mac->hw.hw_filt.ieee_addr = priv->extended_addr;
		set_hw_addr_filt(dev, IEEE802515_AFILT_IEEEADDR_CHANGED);
	}
}

__le16 mac802154_dev_get_pan_id(const struct net_device *dev)
{
	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	__le16 ret;

	BUG_ON(dev->type != ARPHRD_IEEE802154);

	spin_lock_bh(&priv->mib_lock);
	ret = priv->pan_id;
	spin_unlock_bh(&priv->mib_lock);

	return ret;
}

void mac802154_dev_set_pan_id(struct net_device *dev, __le16 val)
{
	struct mac802154_sub_if_data *priv = netdev_priv(dev);

	BUG_ON(dev->type != ARPHRD_IEEE802154);

	spin_lock_bh(&priv->mib_lock);
	priv->pan_id = val;
	spin_unlock_bh(&priv->mib_lock);

	if ((priv->hw->ops->set_hw_addr_filt) &&
	    (priv->hw->hw.hw_filt.pan_id != priv->pan_id)) {
		priv->hw->hw.hw_filt.pan_id = priv->pan_id;
		set_hw_addr_filt(dev, IEEE802515_AFILT_PANID_CHANGED);
	}
}

u8 mac802154_dev_get_dsn(const struct net_device *dev)
{
	struct mac802154_sub_if_data *priv = netdev_priv(dev);

	BUG_ON(dev->type != ARPHRD_IEEE802154);

	return priv->dsn++;
}

static void phy_chan_notify(struct work_struct *work)
{
	struct phy_chan_notify_work *nw = container_of(work,
					  struct phy_chan_notify_work, work);
	struct mac802154_priv *hw = mac802154_slave_get_priv(nw->dev);
	struct mac802154_sub_if_data *priv = netdev_priv(nw->dev);
	int res;

	mutex_lock(&priv->hw->phy->pib_lock);
	res = hw->ops->set_channel(&hw->hw, priv->page, priv->chan);
	if (res) {
		pr_debug("set_channel failed\n");
	} else {
		priv->hw->phy->current_channel = priv->chan;
		priv->hw->phy->current_page = priv->page;
	}
	mutex_unlock(&priv->hw->phy->pib_lock);

	kfree(nw);
}

void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan)
{
	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	struct phy_chan_notify_work *work;

	BUG_ON(dev->type != ARPHRD_IEEE802154);

	spin_lock_bh(&priv->mib_lock);
	priv->page = page;
	priv->chan = chan;
	spin_unlock_bh(&priv->mib_lock);

	mutex_lock(&priv->hw->phy->pib_lock);
	if (priv->hw->phy->current_channel != priv->chan ||
	    priv->hw->phy->current_page != priv->page) {
		mutex_unlock(&priv->hw->phy->pib_lock);

		work = kzalloc(sizeof(*work), GFP_ATOMIC);
		if (!work)
			return;

		INIT_WORK(&work->work, phy_chan_notify);
		work->dev = dev;
		queue_work(priv->hw->dev_workqueue, &work->work);
	} else {
		mutex_unlock(&priv->hw->phy->pib_lock);
	}
}


int mac802154_get_params(struct net_device *dev,
			 struct ieee802154_llsec_params *params)
{
	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	int res;

	BUG_ON(dev->type != ARPHRD_IEEE802154);

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

	return res;
}

int mac802154_set_params(struct net_device *dev,
			 const struct ieee802154_llsec_params *params,
			 int changed)
{
	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	int res;

	BUG_ON(dev->type != ARPHRD_IEEE802154);

	mutex_lock(&priv->sec_mtx);
	res = mac802154_llsec_set_params(&priv->sec, params, changed);
	mutex_unlock(&priv->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 mac802154_sub_if_data *priv = netdev_priv(dev);
	int res;

	BUG_ON(dev->type != ARPHRD_IEEE802154);

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

	return res;
}

int mac802154_del_key(struct net_device *dev,
		      const struct ieee802154_llsec_key_id *id)
{
	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	int res;

	BUG_ON(dev->type != ARPHRD_IEEE802154);

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

	return res;
}


int mac802154_add_dev(struct net_device *dev,
		      const struct ieee802154_llsec_device *llsec_dev)
{
	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	int res;

	BUG_ON(dev->type != ARPHRD_IEEE802154);

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

	return res;
}

int mac802154_del_dev(struct net_device *dev, __le64 dev_addr)
{
	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	int res;

	BUG_ON(dev->type != ARPHRD_IEEE802154);

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

	return res;
}


int mac802154_add_devkey(struct net_device *dev,
			 __le64 device_addr,
			 const struct ieee802154_llsec_device_key *key)
{
	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	int res;

	BUG_ON(dev->type != ARPHRD_IEEE802154);

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

	return res;
}

int mac802154_del_devkey(struct net_device *dev,
			 __le64 device_addr,
			 const struct ieee802154_llsec_device_key *key)
{
	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	int res;

	BUG_ON(dev->type != ARPHRD_IEEE802154);

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

	return res;
}


int mac802154_add_seclevel(struct net_device *dev,
			   const struct ieee802154_llsec_seclevel *sl)
{
	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	int res;

	BUG_ON(dev->type != ARPHRD_IEEE802154);

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

	return res;
}

int mac802154_del_seclevel(struct net_device *dev,
			   const struct ieee802154_llsec_seclevel *sl)
{
	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	int res;

	BUG_ON(dev->type != ARPHRD_IEEE802154);

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

	return res;
}


void mac802154_lock_table(struct net_device *dev)
{
	struct mac802154_sub_if_data *priv = netdev_priv(dev);

	BUG_ON(dev->type != ARPHRD_IEEE802154);

	mutex_lock(&priv->sec_mtx);
}

void mac802154_get_table(struct net_device *dev,
			 struct ieee802154_llsec_table **t)
{
	struct mac802154_sub_if_data *priv = netdev_priv(dev);

	BUG_ON(dev->type != ARPHRD_IEEE802154);

	*t = &priv->sec.table;
}

void mac802154_unlock_table(struct net_device *dev)
{
	struct mac802154_sub_if_data *priv = netdev_priv(dev);

	BUG_ON(dev->type != ARPHRD_IEEE802154);

	mutex_unlock(&priv->sec_mtx);
}
Commit	Line	Data
ef2486f5	1	/*
	2	* Copyright 2007-2012 Siemens AG
	3	*
	4	* This program is free software; you can redistribute it and/or modify
	5	* it under the terms of the GNU General Public License version 2
	6	* as published by the Free Software Foundation.
	7	*
	8	* This program is distributed in the hope that it will be useful,
	9	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	10	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	11	* GNU General Public License for more details.
	12	*
	13	* You should have received a copy of the GNU General Public License along
	14	* with this program; if not, write to the Free Software Foundation, Inc.,
	15	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	16	*
	17	* Written by:
	18	* Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
	19	* Sergey Lapin <slapin@ossfans.org>
	20	* Maxim Gorbachyov <maxim.gorbachev@siemens.com>
	21	* Alexander Smirnov <alex.bluesman.smirnov@gmail.com>
	22	*/
	23
	24	#include <linux/if_arp.h>
	25
	26	#include <net/mac802154.h>
b70ab2e8	27	#include <net/ieee802154_netdev.h>
ef2486f5	28	#include <net/wpan-phy.h>
	29
	30	#include "mac802154.h"
	31
66b69d4d	32	struct phy_chan_notify_work {
	33	struct work_struct work;
	34	struct net_device *dev;
	35	};
	36
ef2486f5	37	struct hw_addr_filt_notify_work {
	38	struct work_struct work;
	39	struct net_device *dev;
	40	unsigned long changed;
	41	};
	42
42884042	43	static struct mac802154_priv mac802154_slave_get_priv(struct net_device dev)
ef2486f5	44	{
	45	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	46
	47	BUG_ON(dev->type != ARPHRD_IEEE802154);
	48
	49	return priv->hw;
	50	}
	51
	52	static void hw_addr_notify(struct work_struct *work)
	53	{
	54	struct hw_addr_filt_notify_work *nw = container_of(work,
	55	struct hw_addr_filt_notify_work, work);
	56	struct mac802154_priv *hw = mac802154_slave_get_priv(nw->dev);
	57	int res;
	58
	59	res = hw->ops->set_hw_addr_filt(&hw->hw,
	60	&hw->hw.hw_filt,
	61	nw->changed);
	62	if (res)
	63	pr_debug("failed changed mask %lx\n", nw->changed);
	64
	65	kfree(nw);
ef2486f5	66	}
	67
	68	static void set_hw_addr_filt(struct net_device *dev, unsigned long changed)
	69	{
	70	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	71	struct hw_addr_filt_notify_work *work;
	72
	73	work = kzalloc(sizeof(*work), GFP_ATOMIC);
	74	if (!work)
	75	return;
	76
	77	INIT_WORK(&work->work, hw_addr_notify);
	78	work->dev = dev;
	79	work->changed = changed;
	80	queue_work(priv->hw->dev_workqueue, &work->work);
ef2486f5	81	}
ef2486f5	82
b70ab2e8	83	void mac802154_dev_set_short_addr(struct net_device *dev, __le16 val)
48e44d50	84	{
	85	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	86
	87	BUG_ON(dev->type != ARPHRD_IEEE802154);
	88
	89	spin_lock_bh(&priv->mib_lock);
	90	priv->short_addr = val;
	91	spin_unlock_bh(&priv->mib_lock);
	92
	93	if ((priv->hw->ops->set_hw_addr_filt) &&
	94	(priv->hw->hw.hw_filt.short_addr != priv->short_addr)) {
	95	priv->hw->hw.hw_filt.short_addr = priv->short_addr;
	96	set_hw_addr_filt(dev, IEEE802515_AFILT_SADDR_CHANGED);
	97	}
	98	}
	99
b70ab2e8	100	__le16 mac802154_dev_get_short_addr(const struct net_device *dev)
e885a47a	101	{
e885a47a	102	struct mac802154_sub_if_data *priv = netdev_priv(dev);
b70ab2e8	103	__le16 ret;
e885a47a	104
	105	BUG_ON(dev->type != ARPHRD_IEEE802154);
	106
	107	spin_lock_bh(&priv->mib_lock);
	108	ret = priv->short_addr;
	109	spin_unlock_bh(&priv->mib_lock);
	110
	111	return ret;
	112	}
	113
ef2486f5	114	void mac802154_dev_set_ieee_addr(struct net_device *dev)
	115	{
	116	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	117	struct mac802154_priv *mac = priv->hw;
	118
e6278d92	119	priv->extended_addr = ieee802154_devaddr_from_raw(dev->dev_addr);
b70ab2e8	120
e6278d92 PB	121	if (mac->ops->set_hw_addr_filt &&
	122	mac->hw.hw_filt.ieee_addr != priv->extended_addr) {
	123	mac->hw.hw_filt.ieee_addr = priv->extended_addr;
ef2486f5	124	set_hw_addr_filt(dev, IEEE802515_AFILT_IEEEADDR_CHANGED);
	125	}
	126	}
dcbe4f93	127
b70ab2e8	128	__le16 mac802154_dev_get_pan_id(const struct net_device *dev)
dcbe4f93	129	{
dcbe4f93	130	struct mac802154_sub_if_data *priv = netdev_priv(dev);
b70ab2e8	131	__le16 ret;
dcbe4f93	132
	133	BUG_ON(dev->type != ARPHRD_IEEE802154);
	134
	135	spin_lock_bh(&priv->mib_lock);
	136	ret = priv->pan_id;
	137	spin_unlock_bh(&priv->mib_lock);
	138
	139	return ret;
	140	}
	141
b70ab2e8	142	void mac802154_dev_set_pan_id(struct net_device *dev, __le16 val)
dcbe4f93	143	{
	144	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	145
	146	BUG_ON(dev->type != ARPHRD_IEEE802154);
	147
	148	spin_lock_bh(&priv->mib_lock);
	149	priv->pan_id = val;
	150	spin_unlock_bh(&priv->mib_lock);
	151
	152	if ((priv->hw->ops->set_hw_addr_filt) &&
	153	(priv->hw->hw.hw_filt.pan_id != priv->pan_id)) {
	154	priv->hw->hw.hw_filt.pan_id = priv->pan_id;
	155	set_hw_addr_filt(dev, IEEE802515_AFILT_PANID_CHANGED);
	156	}
	157	}
66b69d4d	158
0483546a TC	159	u8 mac802154_dev_get_dsn(const struct net_device *dev)
	160	{
	161	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	162
	163	BUG_ON(dev->type != ARPHRD_IEEE802154);
	164
	165	return priv->dsn++;
	166	}
	167
66b69d4d	168	static void phy_chan_notify(struct work_struct *work)
	169	{
	170	struct phy_chan_notify_work *nw = container_of(work,
	171	struct phy_chan_notify_work, work);
	172	struct mac802154_priv *hw = mac802154_slave_get_priv(nw->dev);
	173	struct mac802154_sub_if_data *priv = netdev_priv(nw->dev);
	174	int res;
	175
9f7f78b4	176	mutex_lock(&priv->hw->phy->pib_lock);
66b69d4d	177	res = hw->ops->set_channel(&hw->hw, priv->page, priv->chan);
4710d806	178	if (res) {
66b69d4d	179	pr_debug("set_channel failed\n");
4710d806	180	} else {
9f7f78b4 AO	181	priv->hw->phy->current_channel = priv->chan;
	182	priv->hw->phy->current_page = priv->page;
	183	}
	184	mutex_unlock(&priv->hw->phy->pib_lock);
66b69d4d	185
	186	kfree(nw);
	187	}
	188
	189	void mac802154_dev_set_page_channel(struct net_device *dev, u8 page, u8 chan)
	190	{
	191	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	192	struct phy_chan_notify_work *work;
	193
	194	BUG_ON(dev->type != ARPHRD_IEEE802154);
	195
	196	spin_lock_bh(&priv->mib_lock);
	197	priv->page = page;
	198	priv->chan = chan;
	199	spin_unlock_bh(&priv->mib_lock);
	200
9f7f78b4	201	mutex_lock(&priv->hw->phy->pib_lock);
66b69d4d	202	if (priv->hw->phy->current_channel != priv->chan \|\|
66b69d4d	203	priv->hw->phy->current_page != priv->page) {
9f7f78b4 AO	204	mutex_unlock(&priv->hw->phy->pib_lock);
9f7f78b4 AO	205
66b69d4d	206	work = kzalloc(sizeof(*work), GFP_ATOMIC);
	207	if (!work)
	208	return;
	209
	210	INIT_WORK(&work->work, phy_chan_notify);
	211	work->dev = dev;
	212	queue_work(priv->hw->dev_workqueue, &work->work);
4710d806	213	} else {
9f7f78b4	214	mutex_unlock(&priv->hw->phy->pib_lock);
4710d806	215	}
66b69d4d	216	}
29e02374 PB	217
	218
	219	int mac802154_get_params(struct net_device *dev,
	220	struct ieee802154_llsec_params *params)
	221	{
	222	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	223	int res;
	224
	225	BUG_ON(dev->type != ARPHRD_IEEE802154);
	226
	227	mutex_lock(&priv->sec_mtx);
	228	res = mac802154_llsec_get_params(&priv->sec, params);
	229	mutex_unlock(&priv->sec_mtx);
	230
	231	return res;
	232	}
	233
	234	int mac802154_set_params(struct net_device *dev,
	235	const struct ieee802154_llsec_params *params,
	236	int changed)
	237	{
	238	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	239	int res;
	240
	241	BUG_ON(dev->type != ARPHRD_IEEE802154);
	242
	243	mutex_lock(&priv->sec_mtx);
	244	res = mac802154_llsec_set_params(&priv->sec, params, changed);
	245	mutex_unlock(&priv->sec_mtx);
	246
	247	return res;
	248	}
	249
	250
	251	int mac802154_add_key(struct net_device *dev,
	252	const struct ieee802154_llsec_key_id *id,
	253	const struct ieee802154_llsec_key *key)
	254	{
	255	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	256	int res;
	257
	258	BUG_ON(dev->type != ARPHRD_IEEE802154);
	259
	260	mutex_lock(&priv->sec_mtx);
	261	res = mac802154_llsec_key_add(&priv->sec, id, key);
	262	mutex_unlock(&priv->sec_mtx);
	263
	264	return res;
	265	}
	266
	267	int mac802154_del_key(struct net_device *dev,
	268	const struct ieee802154_llsec_key_id *id)
	269	{
	270	struct mac802154_sub_if_data *priv = netdev_priv(dev);
	271	int res;
	272
	273	BUG_ON(dev->type != ARPHRD_IEEE802154);
	274
	275	mutex_lock(&priv->sec_mtx);
	276	res = mac802154_llsec_key_del(&priv->sec, id);
	277	mutex_unlock(&priv->sec_mtx);
	278
	279	return res;
	280	}
281
282
283	int mac802154_add_dev(struct net_device *dev,
284	const struct ieee802154_llsec_device *llsec_dev)
285	{
286	struct mac802154_sub_if_data *priv = netdev_priv(dev);
287	int res;
288
289	BUG_ON(dev->type != ARPHRD_IEEE802154);
290
291	mutex_lock(&priv->sec_mtx);
292	res = mac802154_llsec_dev_add(&priv->sec, llsec_dev);
293	mutex_unlock(&priv->sec_mtx);
294
295	return res;
296	}
297
298	int mac802154_del_dev(struct net_device *dev, __le64 dev_addr)
299	{
300	struct mac802154_sub_if_data *priv = netdev_priv(dev);
301	int res;
302
303	BUG_ON(dev->type != ARPHRD_IEEE802154);
304
305	mutex_lock(&priv->sec_mtx);
306	res = mac802154_llsec_dev_del(&priv->sec, dev_addr);
307	mutex_unlock(&priv->sec_mtx);
308
309	return res;
310	}
311
312
313	int mac802154_add_devkey(struct net_device *dev,
314	__le64 device_addr,
315	const struct ieee802154_llsec_device_key *key)
316	{
317	struct mac802154_sub_if_data *priv = netdev_priv(dev);
318	int res;
319
320	BUG_ON(dev->type != ARPHRD_IEEE802154);
321
322	mutex_lock(&priv->sec_mtx);
323	res = mac802154_llsec_devkey_add(&priv->sec, device_addr, key);
324	mutex_unlock(&priv->sec_mtx);
325
326	return res;
327	}
328
329	int mac802154_del_devkey(struct net_device *dev,
330	__le64 device_addr,
331	const struct ieee802154_llsec_device_key *key)
332	{
333	struct mac802154_sub_if_data *priv = netdev_priv(dev);
334	int res;
335
336	BUG_ON(dev->type != ARPHRD_IEEE802154);
337
338	mutex_lock(&priv->sec_mtx);
339	res = mac802154_llsec_devkey_del(&priv->sec, device_addr, key);
340	mutex_unlock(&priv->sec_mtx);
341
342	return res;
343	}
344
345
346	int mac802154_add_seclevel(struct net_device *dev,
347	const struct ieee802154_llsec_seclevel *sl)
348	{
349	struct mac802154_sub_if_data *priv = netdev_priv(dev);
350	int res;
351
352	BUG_ON(dev->type != ARPHRD_IEEE802154);
353
354	mutex_lock(&priv->sec_mtx);
355	res = mac802154_llsec_seclevel_add(&priv->sec, sl);
356	mutex_unlock(&priv->sec_mtx);
357
358	return res;
359	}
360
361	int mac802154_del_seclevel(struct net_device *dev,
362	const struct ieee802154_llsec_seclevel *sl)
363	{
364	struct mac802154_sub_if_data *priv = netdev_priv(dev);
365	int res;
366
367	BUG_ON(dev->type != ARPHRD_IEEE802154);
368
369	mutex_lock(&priv->sec_mtx);
370	res = mac802154_llsec_seclevel_del(&priv->sec, sl);
371	mutex_unlock(&priv->sec_mtx);
372
373	return res;
374	}
375
376
377	void mac802154_lock_table(struct net_device *dev)
378	{
379	struct mac802154_sub_if_data *priv = netdev_priv(dev);
380
381	BUG_ON(dev->type != ARPHRD_IEEE802154);
382
383	mutex_lock(&priv->sec_mtx);
384	}
385
386	void mac802154_get_table(struct net_device *dev,
387	struct ieee802154_llsec_table **t)
388	{
389	struct mac802154_sub_if_data *priv = netdev_priv(dev);
390
391	BUG_ON(dev->type != ARPHRD_IEEE802154);
392
393	*t = &priv->sec.table;
394	}
395
396	void mac802154_unlock_table(struct net_device *dev)
397	{
398	struct mac802154_sub_if_data *priv = netdev_priv(dev);
399
400	BUG_ON(dev->type != ARPHRD_IEEE802154);
401
402	mutex_unlock(&priv->sec_mtx);
403	}