[linux-2.6-block.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.
 *
 * 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/cfg802154.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	*
1eaa9d03 DES	15	* Written by:
	16	* Sergey Lapin <slapin@ossfans.org>
	17	* Dmitry Eremin-Solenikov <dbaryshkov@gmail.com>
	18	* Maxim Osipov <maxim.osipov@siemens.com>
	19	*/
	20
	21	#include <linux/kernel.h>
5a0e3ad6	22	#include <linux/slab.h>
060e4179	23	#include <linux/if_arp.h>
1eaa9d03 DES	24	#include <net/netlink.h>
1eaa9d03 DES	25	#include <net/genetlink.h>
5ad60d36	26	#include <net/cfg802154.h>
bb1cafb8 DES	27	#include <net/af_ieee802154.h>
	28	#include <net/ieee802154_netdev.h>
	29	#include <net/rtnetlink.h> /* for rtnl_{un,}lock */
1eaa9d03 DES	30	#include <linux/nl802154.h>
	31
	32	#include "ieee802154.h"
	33
15e47304	34	static int ieee802154_nl_fill_phy(struct sk_buff *msg, u32 portid,
4710d806	35	u32 seq, int flags, struct wpan_phy *phy)
1eaa9d03 DES	36	{
	37	void *hdr;
	38	int i, pages = 0;
	39	uint32_t buf = kzalloc(32 sizeof(uint32_t), GFP_KERNEL);
	40
	41	pr_debug("%s\n", __func__);
	42
	43	if (!buf)
b9cabe52	44	return -EMSGSIZE;
1eaa9d03 DES	45
1eaa9d03 DES	46	hdr = genlmsg_put(msg, 0, seq, &nl802154_family, flags,
4710d806	47	IEEE802154_LIST_PHY);
1eaa9d03 DES	48	if (!hdr)
	49	goto out;
	50
	51	mutex_lock(&phy->pib_lock);
be51da0f DM	52	if (nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) \|\|
	53	nla_put_u8(msg, IEEE802154_ATTR_PAGE, phy->current_page) \|\|
	54	nla_put_u8(msg, IEEE802154_ATTR_CHANNEL, phy->current_channel))
	55	goto nla_put_failure;
1eaa9d03 DES	56	for (i = 0; i < 32; i++) {
	57	if (phy->channels_supported[i])
	58	buf[pages++] = phy->channels_supported[i] \| (i << 27);
	59	}
be51da0f DM	60	if (pages &&
	61	nla_put(msg, IEEE802154_ATTR_CHANNEL_PAGE_LIST,
	62	pages * sizeof(uint32_t), buf))
	63	goto nla_put_failure;
1eaa9d03	64	mutex_unlock(&phy->pib_lock);
b9cabe52	65	kfree(buf);
1eaa9d03 DES	66	return genlmsg_end(msg, hdr);
	67
	68	nla_put_failure:
	69	mutex_unlock(&phy->pib_lock);
	70	genlmsg_cancel(msg, hdr);
	71	out:
	72	kfree(buf);
	73	return -EMSGSIZE;
	74	}
	75
1c582d91	76	int ieee802154_list_phy(struct sk_buff skb, struct genl_info info)
1eaa9d03 DES	77	{
1eaa9d03 DES	78	/* Request for interface name, index, type, IEEE address,
4710d806 VB	79	* PAN Id, short address
4710d806 VB	80	*/
1eaa9d03 DES	81	struct sk_buff *msg;
	82	struct wpan_phy *phy;
	83	const char *name;
	84	int rc = -ENOBUFS;
	85
	86	pr_debug("%s\n", __func__);
	87
	88	if (!info->attrs[IEEE802154_ATTR_PHY_NAME])
	89	return -EINVAL;
	90
	91	name = nla_data(info->attrs[IEEE802154_ATTR_PHY_NAME]);
	92	if (name[nla_len(info->attrs[IEEE802154_ATTR_PHY_NAME]) - 1] != '\0')
	93	return -EINVAL; /* phy name should be null-terminated */
	94
	95
	96	phy = wpan_phy_find(name);
	97	if (!phy)
	98	return -ENODEV;
	99
58050fce	100	msg = nlmsg_new(NLMSG_DEFAULT_SIZE, GFP_KERNEL);
1eaa9d03 DES	101	if (!msg)
	102	goto out_dev;
	103
15e47304	104	rc = ieee802154_nl_fill_phy(msg, info->snd_portid, info->snd_seq,
4710d806	105	0, phy);
1eaa9d03 DES	106	if (rc < 0)
	107	goto out_free;
	108
	109	wpan_phy_put(phy);
	110
	111	return genlmsg_reply(msg, info);
	112	out_free:
	113	nlmsg_free(msg);
	114	out_dev:
	115	wpan_phy_put(phy);
	116	return rc;
1eaa9d03 DES	117	}
	118
	119	struct dump_phy_data {
	120	struct sk_buff *skb;
	121	struct netlink_callback *cb;
	122	int idx, s_idx;
	123	};
	124
	125	static int ieee802154_dump_phy_iter(struct wpan_phy phy, void _data)
	126	{
	127	int rc;
	128	struct dump_phy_data *data = _data;
	129
	130	pr_debug("%s\n", __func__);
	131
	132	if (data->idx++ < data->s_idx)
	133	return 0;
	134
	135	rc = ieee802154_nl_fill_phy(data->skb,
4710d806 VB	136	NETLINK_CB(data->cb->skb).portid,
	137	data->cb->nlh->nlmsg_seq,
	138	NLM_F_MULTI,
	139	phy);
1eaa9d03 DES	140
	141	if (rc < 0) {
	142	data->idx--;
	143	return rc;
	144	}
	145
	146	return 0;
	147	}
	148
1c582d91	149	int ieee802154_dump_phy(struct sk_buff skb, struct netlink_callback cb)
1eaa9d03 DES	150	{
	151	struct dump_phy_data data = {
	152	.cb = cb,
	153	.skb = skb,
	154	.s_idx = cb->args[0],
	155	.idx = 0,
	156	};
	157
	158	pr_debug("%s\n", __func__);
	159
	160	wpan_phy_for_each(ieee802154_dump_phy_iter, &data);
	161
	162	cb->args[0] = data.idx;
	163
	164	return skb->len;
	165	}
	166
1c582d91	167	int ieee802154_add_iface(struct sk_buff skb, struct genl_info info)
bb1cafb8 DES	168	{
	169	struct sk_buff *msg;
	170	struct wpan_phy *phy;
	171	const char *name;
	172	const char *devname;
	173	int rc = -ENOBUFS;
	174	struct net_device *dev;
90c049b2	175	int type = __IEEE802154_DEV_INVALID;
bb1cafb8 DES	176
	177	pr_debug("%s\n", __func__);
	178
	179	if (!info->attrs[IEEE802154_ATTR_PHY_NAME])
	180	return -EINVAL;
	181
	182	name = nla_data(info->attrs[IEEE802154_ATTR_PHY_NAME]);
	183	if (name[nla_len(info->attrs[IEEE802154_ATTR_PHY_NAME]) - 1] != '\0')
	184	return -EINVAL; /* phy name should be null-terminated */
	185
	186	if (info->attrs[IEEE802154_ATTR_DEV_NAME]) {
	187	devname = nla_data(info->attrs[IEEE802154_ATTR_DEV_NAME]);
	188	if (devname[nla_len(info->attrs[IEEE802154_ATTR_DEV_NAME]) - 1]
	189	!= '\0')
	190	return -EINVAL; /* phy name should be null-terminated */
	191	} else {
	192	devname = "wpan%d";
	193	}
	194
	195	if (strlen(devname) >= IFNAMSIZ)
	196	return -ENAMETOOLONG;
	197
	198	phy = wpan_phy_find(name);
	199	if (!phy)
	200	return -ENODEV;
	201
	202	msg = ieee802154_nl_new_reply(info, 0, IEEE802154_ADD_IFACE);
	203	if (!msg)
	204	goto out_dev;
	205
	206	if (!phy->add_iface) {
	207	rc = -EINVAL;
	208	goto nla_put_failure;
	209	}
	210
060e4179 DES	211	if (info->attrs[IEEE802154_ATTR_HW_ADDR] &&
	212	nla_len(info->attrs[IEEE802154_ATTR_HW_ADDR]) !=
	213	IEEE802154_ADDR_LEN) {
	214	rc = -EINVAL;
	215	goto nla_put_failure;
	216	}
	217
90c049b2	218	if (info->attrs[IEEE802154_ATTR_DEV_TYPE]) {
90c049b2	219	type = nla_get_u8(info->attrs[IEEE802154_ATTR_DEV_TYPE]);
267d29a6 CE	220	if (type >= __IEEE802154_DEV_MAX) {
	221	rc = -EINVAL;
	222	goto nla_put_failure;
	223	}
90c049b2	224	}
	225
	226	dev = phy->add_iface(phy, devname, type);
bb1cafb8 DES	227	if (IS_ERR(dev)) {
	228	rc = PTR_ERR(dev);
	229	goto nla_put_failure;
	230	}
	231
060e4179 DES	232	if (info->attrs[IEEE802154_ATTR_HW_ADDR]) {
	233	struct sockaddr addr;
	234
	235	addr.sa_family = ARPHRD_IEEE802154;
	236	nla_memcpy(&addr.sa_data, info->attrs[IEEE802154_ATTR_HW_ADDR],
4710d806	237	IEEE802154_ADDR_LEN);
060e4179	238
4710d806	239	/* strangely enough, some callbacks (inetdev_event) from
060e4179 DES	240	* dev_set_mac_address require RTNL_LOCK
	241	*/
	242	rtnl_lock();
	243	rc = dev_set_mac_address(dev, &addr);
	244	rtnl_unlock();
	245	if (rc)
	246	goto dev_unregister;
	247	}
	248
be51da0f DM	249	if (nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) \|\|
	250	nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, dev->name))
	251	goto nla_put_failure;
bb1cafb8 DES	252	dev_put(dev);
	253
	254	wpan_phy_put(phy);
	255
	256	return ieee802154_nl_reply(msg, info);
	257
060e4179 DES	258	dev_unregister:
	259	rtnl_lock(); /* del_iface must be called with RTNL lock */
	260	phy->del_iface(phy, dev);
	261	dev_put(dev);
	262	rtnl_unlock();
bb1cafb8 DES	263	nla_put_failure:
	264	nlmsg_free(msg);
	265	out_dev:
	266	wpan_phy_put(phy);
	267	return rc;
	268	}
	269
1c582d91	270	int ieee802154_del_iface(struct sk_buff skb, struct genl_info info)
bb1cafb8 DES	271	{
	272	struct sk_buff *msg;
	273	struct wpan_phy *phy;
	274	const char *name;
	275	int rc;
	276	struct net_device *dev;
	277
	278	pr_debug("%s\n", __func__);
	279
	280	if (!info->attrs[IEEE802154_ATTR_DEV_NAME])
	281	return -EINVAL;
	282
	283	name = nla_data(info->attrs[IEEE802154_ATTR_DEV_NAME]);
	284	if (name[nla_len(info->attrs[IEEE802154_ATTR_DEV_NAME]) - 1] != '\0')
	285	return -EINVAL; /* name should be null-terminated */
	286
	287	dev = dev_get_by_name(genl_info_net(info), name);
	288	if (!dev)
	289	return -ENODEV;
	290
	291	phy = ieee802154_mlme_ops(dev)->get_phy(dev);
	292	BUG_ON(!phy);
	293
	294	rc = -EINVAL;
	295	/* phy name is optional, but should be checked if it's given */
	296	if (info->attrs[IEEE802154_ATTR_PHY_NAME]) {
	297	struct wpan_phy *phy2;
	298
	299	const char *pname =
	300	nla_data(info->attrs[IEEE802154_ATTR_PHY_NAME]);
	301	if (pname[nla_len(info->attrs[IEEE802154_ATTR_PHY_NAME]) - 1]
	302	!= '\0')
	303	/* name should be null-terminated */
	304	goto out_dev;
	305
	306	phy2 = wpan_phy_find(pname);
	307	if (!phy2)
	308	goto out_dev;
	309
	310	if (phy != phy2) {
	311	wpan_phy_put(phy2);
	312	goto out_dev;
	313	}
	314	}
	315
	316	rc = -ENOBUFS;
	317
	318	msg = ieee802154_nl_new_reply(info, 0, IEEE802154_DEL_IFACE);
	319	if (!msg)
	320	goto out_dev;
	321
	322	if (!phy->del_iface) {
	323	rc = -EINVAL;
	324	goto nla_put_failure;
	325	}
	326
	327	rtnl_lock();
	328	phy->del_iface(phy, dev);
	329
	330	/* We don't have device anymore */
	331	dev_put(dev);
	332	dev = NULL;
	333
	334	rtnl_unlock();
335
be51da0f DM	336	if (nla_put_string(msg, IEEE802154_ATTR_PHY_NAME, wpan_phy_name(phy)) \|\|
	337	nla_put_string(msg, IEEE802154_ATTR_DEV_NAME, name))
	338	goto nla_put_failure;
bb1cafb8 DES	339	wpan_phy_put(phy);
	340
	341	return ieee802154_nl_reply(msg, info);
	342
	343	nla_put_failure:
	344	nlmsg_free(msg);
	345	out_dev:
	346	wpan_phy_put(phy);
	347	if (dev)
	348	dev_put(dev);
	349
	350	return rc;
	351	}