[deliverable/linux.git] / net / ieee802154 / nl-phy.c

/*
 * Netlink inteface for IEEE 802.15.4 stack
 *
 * Copyright 2007, 2008 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:
 * Sergey Lapin <slapin@ossfans.org>
 * Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
 * Maxim Osipov <maxim.osipov@siemens.com>
 */

#include <linux/kernel.h>
#include <linux/slab.h>
#include <linux/if_arp.h>
#include <net/netlink.h>
#include <net/genetlink.h>
#include <net/wpan-phy.h>
#include <net/af_ieee802154.h>
#include <net/ieee802154_netdev.h>
#include <net/rtnetlink.h> /* for rtnl_{un,}lock */
#include <linux/nl802154.h>

#include "ieee802154.h"

static int ieee802154_nl_fill_phy(struct sk_buff *msg, u32 portid,
	u32 seq, int flags, struct wpan_phy *phy)
{
	void *hdr;
	int i, pages = 0;
	uint32_t *buf = kzalloc(32 * sizeof(uint32_t), GFP_KERNEL);

	pr_debug("%s\n", __func__);

	if (!buf)
		return -EMSGSIZE;

	hdr = genlmsg_put(msg, 0, seq, &nl802154_family, flags,
		IEEE802154_LIST_PHY);
	if (!hdr)
		goto out;

	mutex_lock(&phy->pib_lock);
	if (nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) ||
	    nla_put_u8(msg, IEEE802154_ATTR_PAGE, phy->current_page) ||
	    nla_put_u8(msg, IEEE802154_ATTR_CHANNEL, phy->current_channel))
		goto nla_put_failure;
	for (i = 0; i < 32; i++) {
		if (phy->channels_supported[i])
			buf[pages++] = phy->channels_supported[i] | (i << 27);
	}
	if (pages &&
	    nla_put(msg, IEEE802154_ATTR_CHANNEL_PAGE_LIST,
		    pages * sizeof(uint32_t), buf))
		goto nla_put_failure;
	mutex_unlock(&phy->pib_lock);
	kfree(buf);
	return genlmsg_end(msg, hdr);

nla_put_failure:
	mutex_unlock(&phy->pib_lock);
	genlmsg_cancel(msg, hdr);
out:
	kfree(buf);
	return -EMSGSIZE;
}

int ieee802154_list_phy(struct sk_buff *skb, struct genl_info *info)
{
	/* Request for interface name, index, type, IEEE address,
	   PAN Id, short address */
	struct sk_buff *msg;
	struct wpan_phy *phy;
	const char *name;
	int rc = -ENOBUFS;

	pr_debug("%s\n", __func__);

	if (!info->attrs[IEEE802154_ATTR_PHY_NAME])
		return -EINVAL;

	name = nla_data(info->attrs[IEEE802154_ATTR_PHY_NAME]);
	if (name[nla_len(info->attrs[IEEE802154_ATTR_PHY_NAME]) - 1] != '\0')
		return -EINVAL; /* phy name should be null-terminated */


	phy = wpan_phy_find(name);
	if (!phy)
		return -ENODEV;

	msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
	if (!msg)
		goto out_dev;

	rc = ieee802154_nl_fill_phy(msg, info->snd_portid, info->snd_seq,
			0, phy);
	if (rc < 0)
		goto out_free;

	wpan_phy_put(phy);

	return genlmsg_reply(msg, info);
out_free:
	nlmsg_free(msg);
out_dev:
	wpan_phy_put(phy);
	return rc;

}

struct dump_phy_data {
	struct sk_buff *skb;
	struct netlink_callback *cb;
	int idx, s_idx;
};

static int ieee802154_dump_phy_iter(struct wpan_phy *phy, void *_data)
{
	int rc;
	struct dump_phy_data *data = _data;

	pr_debug("%s\n", __func__);

	if (data->idx++ < data->s_idx)
		return 0;

	rc = ieee802154_nl_fill_phy(data->skb,
			NETLINK_CB(data->cb->skb).portid,
			data->cb->nlh->nlmsg_seq,
			NLM_F_MULTI,
			phy);

	if (rc < 0) {
		data->idx--;
		return rc;
	}

	return 0;
}

int ieee802154_dump_phy(struct sk_buff *skb, struct netlink_callback *cb)
{
	struct dump_phy_data data = {
		.cb = cb,
		.skb = skb,
		.s_idx = cb->args[0],
		.idx = 0,
	};

	pr_debug("%s\n", __func__);

	wpan_phy_for_each(ieee802154_dump_phy_iter, &data);

	cb->args[0] = data.idx;

	return skb->len;
}

int ieee802154_add_iface(struct sk_buff *skb, struct genl_info *info)
{
	struct sk_buff *msg;
	struct wpan_phy *phy;
	const char *name;
	const char *devname;
	int rc = -ENOBUFS;
	struct net_device *dev;
	int type = __IEEE802154_DEV_INVALID;

	pr_debug("%s\n", __func__);

	if (!info->attrs[IEEE802154_ATTR_PHY_NAME])
		return -EINVAL;

	name = nla_data(info->attrs[IEEE802154_ATTR_PHY_NAME]);
	if (name[nla_len(info->attrs[IEEE802154_ATTR_PHY_NAME]) - 1] != '\0')
		return -EINVAL; /* phy name should be null-terminated */

	if (info->attrs[IEEE802154_ATTR_DEV_NAME]) {
		devname = nla_data(info->attrs[IEEE802154_ATTR_DEV_NAME]);
		if (devname[nla_len(info->attrs[IEEE802154_ATTR_DEV_NAME]) - 1]
				!= '\0')
			return -EINVAL; /* phy name should be null-terminated */
	} else  {
		devname = "wpan%d";
	}

	if (strlen(devname) >= IFNAMSIZ)
		return -ENAMETOOLONG;

	phy = wpan_phy_find(name);
	if (!phy)
		return -ENODEV;

	msg = ieee802154_nl_new_reply(info, 0, IEEE802154_ADD_IFACE);
	if (!msg)
		goto out_dev;

	if (!phy->add_iface) {
		rc = -EINVAL;
		goto nla_put_failure;
	}

	if (info->attrs[IEEE802154_ATTR_HW_ADDR] &&
	    nla_len(info->attrs[IEEE802154_ATTR_HW_ADDR]) !=
			IEEE802154_ADDR_LEN) {
		rc = -EINVAL;
		goto nla_put_failure;
	}

	if (info->attrs[IEEE802154_ATTR_DEV_TYPE]) {
		type = nla_get_u8(info->attrs[IEEE802154_ATTR_DEV_TYPE]);
		if (type >= __IEEE802154_DEV_MAX) {
			rc = -EINVAL;
			goto nla_put_failure;
		}
	}

	dev = phy->add_iface(phy, devname, type);
	if (IS_ERR(dev)) {
		rc = PTR_ERR(dev);
		goto nla_put_failure;
	}

	if (info->attrs[IEEE802154_ATTR_HW_ADDR]) {
		struct sockaddr addr;

		addr.sa_family = ARPHRD_IEEE802154;
		nla_memcpy(&addr.sa_data, info->attrs[IEEE802154_ATTR_HW_ADDR],
				IEEE802154_ADDR_LEN);

		/*
		 * strangely enough, some callbacks (inetdev_event) from
		 * dev_set_mac_address require RTNL_LOCK
		 */
		rtnl_lock();
		rc = dev_set_mac_address(dev, &addr);
		rtnl_unlock();
		if (rc)
			goto dev_unregister;
	}

	if (nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) ||
	    nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name))
		goto nla_put_failure;
	dev_put(dev);

	wpan_phy_put(phy);

	return ieee802154_nl_reply(msg, info);

dev_unregister:
	rtnl_lock(); /* del_iface must be called with RTNL lock */
	phy->del_iface(phy, dev);
	dev_put(dev);
	rtnl_unlock();
nla_put_failure:
	nlmsg_free(msg);
out_dev:
	wpan_phy_put(phy);
	return rc;
}

int ieee802154_del_iface(struct sk_buff *skb, struct genl_info *info)
{
	struct sk_buff *msg;
	struct wpan_phy *phy;
	const char *name;
	int rc;
	struct net_device *dev;

	pr_debug("%s\n", __func__);

	if (!info->attrs[IEEE802154_ATTR_DEV_NAME])
		return -EINVAL;

	name = nla_data(info->attrs[IEEE802154_ATTR_DEV_NAME]);
	if (name[nla_len(info->attrs[IEEE802154_ATTR_DEV_NAME]) - 1] != '\0')
		return -EINVAL; /* name should be null-terminated */

	dev = dev_get_by_name(genl_info_net(info), name);
	if (!dev)
		return -ENODEV;

	phy = ieee802154_mlme_ops(dev)->get_phy(dev);
	BUG_ON(!phy);

	rc = -EINVAL;
	/* phy name is optional, but should be checked if it's given */
	if (info->attrs[IEEE802154_ATTR_PHY_NAME]) {
		struct wpan_phy *phy2;

		const char *pname =
			nla_data(info->attrs[IEEE802154_ATTR_PHY_NAME]);
		if (pname[nla_len(info->attrs[IEEE802154_ATTR_PHY_NAME]) - 1]
				!= '\0')
			/* name should be null-terminated */
			goto out_dev;

		phy2 = wpan_phy_find(pname);
		if (!phy2)
			goto out_dev;

		if (phy != phy2) {
			wpan_phy_put(phy2);
			goto out_dev;
		}
	}

	rc = -ENOBUFS;

	msg = ieee802154_nl_new_reply(info, 0, IEEE802154_DEL_IFACE);
	if (!msg)
		goto out_dev;

	if (!phy->del_iface) {
		rc = -EINVAL;
		goto nla_put_failure;
	}

	rtnl_lock();
	phy->del_iface(phy, dev);

	/* We don't have device anymore */
	dev_put(dev);
	dev = NULL;

	rtnl_unlock();

	if (nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) ||
	    nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, name))
		goto nla_put_failure;
	wpan_phy_put(phy);

	return ieee802154_nl_reply(msg, info);

nla_put_failure:
	nlmsg_free(msg);
out_dev:
	wpan_phy_put(phy);
	if (dev)
		dev_put(dev);

	return rc;
}
Commit	Line	Data
1eaa9d03 DES	1	/*
	2	* Netlink inteface for IEEE 802.15.4 stack
	3	*
	4	* Copyright 2007, 2008 Siemens AG
	5	*
	6	* This program is free software; you can redistribute it and/or modify
	7	* it under the terms of the GNU General Public License version 2
	8	* as published by the Free Software Foundation.
	9	*
	10	* This program is distributed in the hope that it will be useful,
	11	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	13	* GNU General Public License for more details.
	14	*
	15	* You should have received a copy of the GNU General Public License along
	16	* with this program; if not, write to the Free Software Foundation, Inc.,
	17	* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
	18	*
	19	* Written by:
	20	* Sergey Lapin <slapin@ossfans.org>
	21	* Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
	22	* Maxim Osipov <maxim.osipov@siemens.com>
	23	*/
	24
	25	#include <linux/kernel.h>
5a0e3ad6	26	#include <linux/slab.h>
060e4179	27	#include <linux/if_arp.h>
1eaa9d03 DES	28	#include <net/netlink.h>
	29	#include <net/genetlink.h>
	30	#include <net/wpan-phy.h>
bb1cafb8 DES	31	#include <net/af_ieee802154.h>
	32	#include <net/ieee802154_netdev.h>
	33	#include <net/rtnetlink.h> /* for rtnl_{un,}lock */
1eaa9d03 DES	34	#include <linux/nl802154.h>
	35
	36	#include "ieee802154.h"
	37
15e47304	38	static int ieee802154_nl_fill_phy(struct sk_buff *msg, u32 portid,
1eaa9d03 DES	39	u32 seq, int flags, struct wpan_phy *phy)
	40	{
	41	void *hdr;
	42	int i, pages = 0;
	43	uint32_t buf = kzalloc(32 sizeof(uint32_t), GFP_KERNEL);
	44
	45	pr_debug("%s\n", __func__);
	46
	47	if (!buf)
b9cabe52	48	return -EMSGSIZE;
1eaa9d03 DES	49
	50	hdr = genlmsg_put(msg, 0, seq, &nl802154_family, flags,
	51	IEEE802154_LIST_PHY);
	52	if (!hdr)
	53	goto out;
	54
	55	mutex_lock(&phy->pib_lock);
be51da0f DM	56	if (nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) \|\|
	57	nla_put_u8(msg, IEEE802154_ATTR_PAGE, phy->current_page) \|\|
	58	nla_put_u8(msg, IEEE802154_ATTR_CHANNEL, phy->current_channel))
	59	goto nla_put_failure;
1eaa9d03 DES	60	for (i = 0; i < 32; i++) {
	61	if (phy->channels_supported[i])
	62	buf[pages++] = phy->channels_supported[i] \| (i << 27);
	63	}
be51da0f DM	64	if (pages &&
	65	nla_put(msg, IEEE802154_ATTR_CHANNEL_PAGE_LIST,
	66	pages * sizeof(uint32_t), buf))
	67	goto nla_put_failure;
1eaa9d03	68	mutex_unlock(&phy->pib_lock);
b9cabe52	69	kfree(buf);
1eaa9d03 DES	70	return genlmsg_end(msg, hdr);
	71
	72	nla_put_failure:
	73	mutex_unlock(&phy->pib_lock);
	74	genlmsg_cancel(msg, hdr);
	75	out:
	76	kfree(buf);
	77	return -EMSGSIZE;
	78	}
	79
1c582d91	80	int ieee802154_list_phy(struct sk_buff skb, struct genl_info info)
1eaa9d03 DES	81	{
	82	/* Request for interface name, index, type, IEEE address,
	83	PAN Id, short address */
	84	struct sk_buff *msg;
	85	struct wpan_phy *phy;
	86	const char *name;
	87	int rc = -ENOBUFS;
	88
	89	pr_debug("%s\n", __func__);
	90
	91	if (!info->attrs[IEEE802154_ATTR_PHY_NAME])
	92	return -EINVAL;
	93
	94	name = nla_data(info->attrs[IEEE802154_ATTR_PHY_NAME]);
	95	if (name[nla_len(info->attrs[IEEE802154_ATTR_PHY_NAME]) - 1] != '\0')
	96	return -EINVAL; /* phy name should be null-terminated */
	97
	98
	99	phy = wpan_phy_find(name);
	100	if (!phy)
	101	return -ENODEV;
	102
58050fce	103	msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
1eaa9d03 DES	104	if (!msg)
	105	goto out_dev;
	106
15e47304	107	rc = ieee802154_nl_fill_phy(msg, info->snd_portid, info->snd_seq,
1eaa9d03 DES	108	0, phy);
	109	if (rc < 0)
	110	goto out_free;
	111
	112	wpan_phy_put(phy);
	113
	114	return genlmsg_reply(msg, info);
	115	out_free:
	116	nlmsg_free(msg);
	117	out_dev:
	118	wpan_phy_put(phy);
	119	return rc;
	120
	121	}
	122
	123	struct dump_phy_data {
	124	struct sk_buff *skb;
	125	struct netlink_callback *cb;
	126	int idx, s_idx;
	127	};
	128
	129	static int ieee802154_dump_phy_iter(struct wpan_phy phy, void _data)
	130	{
	131	int rc;
	132	struct dump_phy_data *data = _data;
	133
	134	pr_debug("%s\n", __func__);
	135
	136	if (data->idx++ < data->s_idx)
	137	return 0;
	138
	139	rc = ieee802154_nl_fill_phy(data->skb,
15e47304	140	NETLINK_CB(data->cb->skb).portid,
1eaa9d03 DES	141	data->cb->nlh->nlmsg_seq,
	142	NLM_F_MULTI,
	143	phy);
	144
	145	if (rc < 0) {
	146	data->idx--;
	147	return rc;
	148	}
	149
	150	return 0;
	151	}
	152
1c582d91	153	int ieee802154_dump_phy(struct sk_buff skb, struct netlink_callback cb)
1eaa9d03 DES	154	{
	155	struct dump_phy_data data = {
	156	.cb = cb,
	157	.skb = skb,
	158	.s_idx = cb->args[0],
	159	.idx = 0,
	160	};
	161
	162	pr_debug("%s\n", __func__);
	163
	164	wpan_phy_for_each(ieee802154_dump_phy_iter, &data);
	165
	166	cb->args[0] = data.idx;
	167
	168	return skb->len;
	169	}
	170
1c582d91	171	int ieee802154_add_iface(struct sk_buff skb, struct genl_info info)
bb1cafb8 DES	172	{
	173	struct sk_buff *msg;
	174	struct wpan_phy *phy;
	175	const char *name;
	176	const char *devname;
	177	int rc = -ENOBUFS;
	178	struct net_device *dev;
90c049b2	179	int type = __IEEE802154_DEV_INVALID;
bb1cafb8 DES	180
	181	pr_debug("%s\n", __func__);
	182
	183	if (!info->attrs[IEEE802154_ATTR_PHY_NAME])
	184	return -EINVAL;
	185
	186	name = nla_data(info->attrs[IEEE802154_ATTR_PHY_NAME]);
	187	if (name[nla_len(info->attrs[IEEE802154_ATTR_PHY_NAME]) - 1] != '\0')
	188	return -EINVAL; /* phy name should be null-terminated */
	189
	190	if (info->attrs[IEEE802154_ATTR_DEV_NAME]) {
	191	devname = nla_data(info->attrs[IEEE802154_ATTR_DEV_NAME]);
	192	if (devname[nla_len(info->attrs[IEEE802154_ATTR_DEV_NAME]) - 1]
	193	!= '\0')
	194	return -EINVAL; /* phy name should be null-terminated */
	195	} else {
	196	devname = "wpan%d";
	197	}
	198
	199	if (strlen(devname) >= IFNAMSIZ)
	200	return -ENAMETOOLONG;
	201
	202	phy = wpan_phy_find(name);
	203	if (!phy)
	204	return -ENODEV;
	205
	206	msg = ieee802154_nl_new_reply(info, 0, IEEE802154_ADD_IFACE);
	207	if (!msg)
	208	goto out_dev;
	209
	210	if (!phy->add_iface) {
	211	rc = -EINVAL;
	212	goto nla_put_failure;
	213	}
	214
060e4179 DES	215	if (info->attrs[IEEE802154_ATTR_HW_ADDR] &&
	216	nla_len(info->attrs[IEEE802154_ATTR_HW_ADDR]) !=
	217	IEEE802154_ADDR_LEN) {
	218	rc = -EINVAL;
	219	goto nla_put_failure;
	220	}
	221
90c049b2	222	if (info->attrs[IEEE802154_ATTR_DEV_TYPE]) {
90c049b2	223	type = nla_get_u8(info->attrs[IEEE802154_ATTR_DEV_TYPE]);
267d29a6 CE	224	if (type >= __IEEE802154_DEV_MAX) {
	225	rc = -EINVAL;
	226	goto nla_put_failure;
	227	}
90c049b2	228	}
	229
	230	dev = phy->add_iface(phy, devname, type);
bb1cafb8 DES	231	if (IS_ERR(dev)) {
	232	rc = PTR_ERR(dev);
	233	goto nla_put_failure;
	234	}
	235
060e4179 DES	236	if (info->attrs[IEEE802154_ATTR_HW_ADDR]) {
	237	struct sockaddr addr;
	238
	239	addr.sa_family = ARPHRD_IEEE802154;
	240	nla_memcpy(&addr.sa_data, info->attrs[IEEE802154_ATTR_HW_ADDR],
	241	IEEE802154_ADDR_LEN);
	242
	243	/*
	244	* strangely enough, some callbacks (inetdev_event) from
	245	* dev_set_mac_address require RTNL_LOCK
	246	*/
	247	rtnl_lock();
	248	rc = dev_set_mac_address(dev, &addr);
	249	rtnl_unlock();
	250	if (rc)
	251	goto dev_unregister;
	252	}
	253
be51da0f DM	254	if (nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) \|\|
	255	nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name))
	256	goto nla_put_failure;
bb1cafb8 DES	257	dev_put(dev);
	258
	259	wpan_phy_put(phy);
	260
	261	return ieee802154_nl_reply(msg, info);
	262
060e4179 DES	263	dev_unregister:
	264	rtnl_lock(); /* del_iface must be called with RTNL lock */
	265	phy->del_iface(phy, dev);
	266	dev_put(dev);
	267	rtnl_unlock();
bb1cafb8 DES	268	nla_put_failure:
	269	nlmsg_free(msg);
	270	out_dev:
	271	wpan_phy_put(phy);
	272	return rc;
	273	}
	274
1c582d91	275	int ieee802154_del_iface(struct sk_buff skb, struct genl_info info)
bb1cafb8 DES	276	{
	277	struct sk_buff *msg;
	278	struct wpan_phy *phy;
	279	const char *name;
	280	int rc;
	281	struct net_device *dev;
	282
	283	pr_debug("%s\n", __func__);
	284
	285	if (!info->attrs[IEEE802154_ATTR_DEV_NAME])
	286	return -EINVAL;
	287
	288	name = nla_data(info->attrs[IEEE802154_ATTR_DEV_NAME]);
	289	if (name[nla_len(info->attrs[IEEE802154_ATTR_DEV_NAME]) - 1] != '\0')
	290	return -EINVAL; /* name should be null-terminated */
	291
	292	dev = dev_get_by_name(genl_info_net(info), name);
	293	if (!dev)
	294	return -ENODEV;
	295
	296	phy = ieee802154_mlme_ops(dev)->get_phy(dev);
	297	BUG_ON(!phy);
	298
	299	rc = -EINVAL;
	300	/* phy name is optional, but should be checked if it's given */
	301	if (info->attrs[IEEE802154_ATTR_PHY_NAME]) {
	302	struct wpan_phy *phy2;
	303
	304	const char *pname =
	305	nla_data(info->attrs[IEEE802154_ATTR_PHY_NAME]);
	306	if (pname[nla_len(info->attrs[IEEE802154_ATTR_PHY_NAME]) - 1]
	307	!= '\0')
	308	/* name should be null-terminated */
	309	goto out_dev;
	310
	311	phy2 = wpan_phy_find(pname);
	312	if (!phy2)
	313	goto out_dev;
	314
	315	if (phy != phy2) {
	316	wpan_phy_put(phy2);
	317	goto out_dev;
	318	}
	319	}
	320
	321	rc = -ENOBUFS;
	322
	323	msg = ieee802154_nl_new_reply(info, 0, IEEE802154_DEL_IFACE);
	324	if (!msg)
	325	goto out_dev;
	326
	327	if (!phy->del_iface) {
	328	rc = -EINVAL;
	329	goto nla_put_failure;
	330	}
	331
	332	rtnl_lock();
	333	phy->del_iface(phy, dev);
	334
	335	/* We don't have device anymore */
	336	dev_put(dev);
	337	dev = NULL;
	338
	339	rtnl_unlock();
340
be51da0f DM	341	if (nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) \|\|
	342	nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, name))
	343	goto nla_put_failure;
bb1cafb8 DES	344	wpan_phy_put(phy);
	345
	346	return ieee802154_nl_reply(msg, info);
	347
	348	nla_put_failure:
	349	nlmsg_free(msg);
	350	out_dev:
	351	wpan_phy_put(phy);
	352	if (dev)
	353	dev_put(dev);
	354
	355	return rc;
	356	}