[linux-2.6-block.git] / net / phonet / pn_netlink.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * File: pn_netlink.c
 *
 * Phonet netlink interface
 *
 * Copyright (C) 2008 Nokia Corporation.
 *
 * Authors: Sakari Ailus <sakari.ailus@nokia.com>
 *          Remi Denis-Courmont
 */

#include <linux/kernel.h>
#include <linux/netlink.h>
#include <linux/phonet.h>
#include <linux/slab.h>
#include <net/sock.h>
#include <net/phonet/pn_dev.h>

/* Device address handling */

static int fill_addr(struct sk_buff *skb, struct net_device *dev, u8 addr,
		     u32 portid, u32 seq, int event);

void phonet_address_notify(int event, struct net_device *dev, u8 addr)
{
	struct sk_buff *skb;
	int err = -ENOBUFS;

	skb = nlmsg_new(NLMSG_ALIGN(sizeof(struct ifaddrmsg)) +
			nla_total_size(1), GFP_KERNEL);
	if (skb == NULL)
		goto errout;
	err = fill_addr(skb, dev, addr, 0, 0, event);
	if (err < 0) {
		WARN_ON(err == -EMSGSIZE);
		kfree_skb(skb);
		goto errout;
	}
	rtnl_notify(skb, dev_net(dev), 0,
		    RTNLGRP_PHONET_IFADDR, NULL, GFP_KERNEL);
	return;
errout:
	rtnl_set_sk_err(dev_net(dev), RTNLGRP_PHONET_IFADDR, err);
}

static const struct nla_policy ifa_phonet_policy[IFA_MAX+1] = {
	[IFA_LOCAL] = { .type = NLA_U8 },
};

static int addr_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
		     struct netlink_ext_ack *extack)
{
	struct net *net = sock_net(skb->sk);
	struct nlattr *tb[IFA_MAX+1];
	struct net_device *dev;
	struct ifaddrmsg *ifm;
	int err;
	u8 pnaddr;

	if (!netlink_capable(skb, CAP_NET_ADMIN))
		return -EPERM;

	if (!netlink_capable(skb, CAP_SYS_ADMIN))
		return -EPERM;

	ASSERT_RTNL();

	err = nlmsg_parse_deprecated(nlh, sizeof(*ifm), tb, IFA_MAX,
				     ifa_phonet_policy, extack);
	if (err < 0)
		return err;

	ifm = nlmsg_data(nlh);
	if (tb[IFA_LOCAL] == NULL)
		return -EINVAL;
	pnaddr = nla_get_u8(tb[IFA_LOCAL]);
	if (pnaddr & 3)
		/* Phonet addresses only have 6 high-order bits */
		return -EINVAL;

	dev = __dev_get_by_index(net, ifm->ifa_index);
	if (dev == NULL)
		return -ENODEV;

	if (nlh->nlmsg_type == RTM_NEWADDR)
		err = phonet_address_add(dev, pnaddr);
	else
		err = phonet_address_del(dev, pnaddr);
	if (!err)
		phonet_address_notify(nlh->nlmsg_type, dev, pnaddr);
	return err;
}

static int fill_addr(struct sk_buff *skb, struct net_device *dev, u8 addr,
			u32 portid, u32 seq, int event)
{
	struct ifaddrmsg *ifm;
	struct nlmsghdr *nlh;

	nlh = nlmsg_put(skb, portid, seq, event, sizeof(*ifm), 0);
	if (nlh == NULL)
		return -EMSGSIZE;

	ifm = nlmsg_data(nlh);
	ifm->ifa_family = AF_PHONET;
	ifm->ifa_prefixlen = 0;
	ifm->ifa_flags = IFA_F_PERMANENT;
	ifm->ifa_scope = RT_SCOPE_LINK;
	ifm->ifa_index = dev->ifindex;
	if (nla_put_u8(skb, IFA_LOCAL, addr))
		goto nla_put_failure;
	nlmsg_end(skb, nlh);
	return 0;

nla_put_failure:
	nlmsg_cancel(skb, nlh);
	return -EMSGSIZE;
}

static int getaddr_dumpit(struct sk_buff *skb, struct netlink_callback *cb)
{
	struct phonet_device_list *pndevs;
	struct phonet_device *pnd;
	int dev_idx = 0, dev_start_idx = cb->args[0];
	int addr_idx = 0, addr_start_idx = cb->args[1];

	pndevs = phonet_device_list(sock_net(skb->sk));
	rcu_read_lock();
	list_for_each_entry_rcu(pnd, &pndevs->list, list) {
		u8 addr;

		if (dev_idx > dev_start_idx)
			addr_start_idx = 0;
		if (dev_idx++ < dev_start_idx)
			continue;

		addr_idx = 0;
		for_each_set_bit(addr, pnd->addrs, 64) {
			if (addr_idx++ < addr_start_idx)
				continue;

			if (fill_addr(skb, pnd->netdev, addr << 2,
					 NETLINK_CB(cb->skb).portid,
					cb->nlh->nlmsg_seq, RTM_NEWADDR) < 0)
				goto out;
		}
	}

out:
	rcu_read_unlock();
	cb->args[0] = dev_idx;
	cb->args[1] = addr_idx;

	return skb->len;
}

/* Routes handling */

static int fill_route(struct sk_buff *skb, struct net_device *dev, u8 dst,
			u32 portid, u32 seq, int event)
{
	struct rtmsg *rtm;
	struct nlmsghdr *nlh;

	nlh = nlmsg_put(skb, portid, seq, event, sizeof(*rtm), 0);
	if (nlh == NULL)
		return -EMSGSIZE;

	rtm = nlmsg_data(nlh);
	rtm->rtm_family = AF_PHONET;
	rtm->rtm_dst_len = 6;
	rtm->rtm_src_len = 0;
	rtm->rtm_tos = 0;
	rtm->rtm_table = RT_TABLE_MAIN;
	rtm->rtm_protocol = RTPROT_STATIC;
	rtm->rtm_scope = RT_SCOPE_UNIVERSE;
	rtm->rtm_type = RTN_UNICAST;
	rtm->rtm_flags = 0;
	if (nla_put_u8(skb, RTA_DST, dst) ||
	    nla_put_u32(skb, RTA_OIF, READ_ONCE(dev->ifindex)))
		goto nla_put_failure;
	nlmsg_end(skb, nlh);
	return 0;

nla_put_failure:
	nlmsg_cancel(skb, nlh);
	return -EMSGSIZE;
}

void rtm_phonet_notify(int event, struct net_device *dev, u8 dst)
{
	struct sk_buff *skb;
	int err = -ENOBUFS;

	skb = nlmsg_new(NLMSG_ALIGN(sizeof(struct ifaddrmsg)) +
			nla_total_size(1) + nla_total_size(4), GFP_KERNEL);
	if (skb == NULL)
		goto errout;
	err = fill_route(skb, dev, dst, 0, 0, event);
	if (err < 0) {
		WARN_ON(err == -EMSGSIZE);
		kfree_skb(skb);
		goto errout;
	}
	rtnl_notify(skb, dev_net(dev), 0,
			  RTNLGRP_PHONET_ROUTE, NULL, GFP_KERNEL);
	return;
errout:
	rtnl_set_sk_err(dev_net(dev), RTNLGRP_PHONET_ROUTE, err);
}

static const struct nla_policy rtm_phonet_policy[RTA_MAX+1] = {
	[RTA_DST] = { .type = NLA_U8 },
	[RTA_OIF] = { .type = NLA_U32 },
};

static int route_doit(struct sk_buff *skb, struct nlmsghdr *nlh,
		      struct netlink_ext_ack *extack)
{
	struct net *net = sock_net(skb->sk);
	struct nlattr *tb[RTA_MAX+1];
	struct net_device *dev;
	struct rtmsg *rtm;
	int err;
	u8 dst;

	if (!netlink_capable(skb, CAP_NET_ADMIN))
		return -EPERM;

	if (!netlink_capable(skb, CAP_SYS_ADMIN))
		return -EPERM;

	ASSERT_RTNL();

	err = nlmsg_parse_deprecated(nlh, sizeof(*rtm), tb, RTA_MAX,
				     rtm_phonet_policy, extack);
	if (err < 0)
		return err;

	rtm = nlmsg_data(nlh);
	if (rtm->rtm_table != RT_TABLE_MAIN || rtm->rtm_type != RTN_UNICAST)
		return -EINVAL;
	if (tb[RTA_DST] == NULL || tb[RTA_OIF] == NULL)
		return -EINVAL;
	dst = nla_get_u8(tb[RTA_DST]);
	if (dst & 3) /* Phonet addresses only have 6 high-order bits */
		return -EINVAL;

	dev = __dev_get_by_index(net, nla_get_u32(tb[RTA_OIF]));
	if (dev == NULL)
		return -ENODEV;

	if (nlh->nlmsg_type == RTM_NEWROUTE)
		err = phonet_route_add(dev, dst);
	else
		err = phonet_route_del(dev, dst);
	if (!err)
		rtm_phonet_notify(nlh->nlmsg_type, dev, dst);
	return err;
}

static int route_dumpit(struct sk_buff *skb, struct netlink_callback *cb)
{
	struct net *net = sock_net(skb->sk);
	int err = 0;
	u8 addr;

	rcu_read_lock();
	for (addr = cb->args[0]; addr < 64; addr++) {
		struct net_device *dev = phonet_route_get_rcu(net, addr << 2);

		if (!dev)
			continue;

		err = fill_route(skb, dev, addr << 2,
				 NETLINK_CB(cb->skb).portid,
				 cb->nlh->nlmsg_seq, RTM_NEWROUTE);
		if (err < 0)
			break;
	}
	rcu_read_unlock();
	cb->args[0] = addr;

	return err;
}

int __init phonet_netlink_register(void)
{
	int err = rtnl_register_module(THIS_MODULE, PF_PHONET, RTM_NEWADDR,
				       addr_doit, NULL, 0);
	if (err)
		return err;

	/* Further rtnl_register_module() cannot fail */
	rtnl_register_module(THIS_MODULE, PF_PHONET, RTM_DELADDR,
			     addr_doit, NULL, 0);
	rtnl_register_module(THIS_MODULE, PF_PHONET, RTM_GETADDR,
			     NULL, getaddr_dumpit, 0);
	rtnl_register_module(THIS_MODULE, PF_PHONET, RTM_NEWROUTE,
			     route_doit, NULL, 0);
	rtnl_register_module(THIS_MODULE, PF_PHONET, RTM_DELROUTE,
			     route_doit, NULL, 0);
	rtnl_register_module(THIS_MODULE, PF_PHONET, RTM_GETROUTE,
			     NULL, route_dumpit, RTNL_FLAG_DUMP_UNLOCKED);
	return 0;
}
Commit	Line	Data
2b27bdcc	1	// SPDX-License-Identifier: GPL-2.0-only
8fb39740 RDC	2	/*
	3	* File: pn_netlink.c
	4	*
	5	* Phonet netlink interface
	6	*
	7	* Copyright (C) 2008 Nokia Corporation.
	8	*
31fdc555 RDC	9	* Authors: Sakari Ailus <sakari.ailus@nokia.com>
31fdc555 RDC	10	* Remi Denis-Courmont
8fb39740 RDC	11	*/
	12
	13	#include <linux/kernel.h>
	14	#include <linux/netlink.h>
	15	#include <linux/phonet.h>
5a0e3ad6	16	#include <linux/slab.h>
8fb39740 RDC	17	#include <net/sock.h>
	18	#include <net/phonet/pn_dev.h>
	19
f062f41d RDC	20	/* Device address handling */
f062f41d RDC	21
8fb39740	22	static int fill_addr(struct sk_buff skb, struct net_device dev, u8 addr,
15e47304	23	u32 portid, u32 seq, int event);
8fb39740	24
c7a1a4c8	25	void phonet_address_notify(int event, struct net_device *dev, u8 addr)
8fb39740 RDC	26	{
	27	struct sk_buff *skb;
	28	int err = -ENOBUFS;
	29
	30	skb = nlmsg_new(NLMSG_ALIGN(sizeof(struct ifaddrmsg)) +
	31	nla_total_size(1), GFP_KERNEL);
	32	if (skb == NULL)
	33	goto errout;
	34	err = fill_addr(skb, dev, addr, 0, 0, event);
	35	if (err < 0) {
	36	WARN_ON(err == -EMSGSIZE);
	37	kfree_skb(skb);
	38	goto errout;
	39	}
1ce85fe4 PNA	40	rtnl_notify(skb, dev_net(dev), 0,
	41	RTNLGRP_PHONET_IFADDR, NULL, GFP_KERNEL);
	42	return;
8fb39740	43	errout:
4b7673a0	44	rtnl_set_sk_err(dev_net(dev), RTNLGRP_PHONET_IFADDR, err);
8fb39740 RDC	45	}
8fb39740 RDC	46
8980713b RDC	47	static const struct nla_policy ifa_phonet_policy[IFA_MAX+1] = {
	48	[IFA_LOCAL] = { .type = NLA_U8 },
	49	};
	50
c21ef3e3 DA	51	static int addr_doit(struct sk_buff skb, struct nlmsghdr nlh,
c21ef3e3 DA	52	struct netlink_ext_ack *extack)
8fb39740	53	{
8980713b RDC	54	struct net *net = sock_net(skb->sk);
8980713b RDC	55	struct nlattr *tb[IFA_MAX+1];
8fb39740	56	struct net_device *dev;
8980713b	57	struct ifaddrmsg *ifm;
8fb39740 RDC	58	int err;
	59	u8 pnaddr;
	60
90f62cf3	61	if (!netlink_capable(skb, CAP_NET_ADMIN))
dfc47ef8 EB	62	return -EPERM;
dfc47ef8 EB	63
90f62cf3	64	if (!netlink_capable(skb, CAP_SYS_ADMIN))
8fb39740 RDC	65	return -EPERM;
	66
	67	ASSERT_RTNL();
	68
8cb08174 JB	69	err = nlmsg_parse_deprecated(nlh, sizeof(*ifm), tb, IFA_MAX,
8cb08174 JB	70	ifa_phonet_policy, extack);
8980713b RDC	71	if (err < 0)
8980713b RDC	72	return err;
8fb39740	73
8980713b RDC	74	ifm = nlmsg_data(nlh);
8980713b RDC	75	if (tb[IFA_LOCAL] == NULL)
8fb39740	76	return -EINVAL;
8980713b RDC	77	pnaddr = nla_get_u8(tb[IFA_LOCAL]);
	78	if (pnaddr & 3)
	79	/* Phonet addresses only have 6 high-order bits */
8fb39740 RDC	80	return -EINVAL;
8fb39740 RDC	81
8980713b	82	dev = __dev_get_by_index(net, ifm->ifa_index);
8fb39740 RDC	83	if (dev == NULL)
	84	return -ENODEV;
	85
8980713b RDC	86	if (nlh->nlmsg_type == RTM_NEWADDR)
	87	err = phonet_address_add(dev, pnaddr);
	88	else
	89	err = phonet_address_del(dev, pnaddr);
8fb39740	90	if (!err)
c7a1a4c8	91	phonet_address_notify(nlh->nlmsg_type, dev, pnaddr);
8fb39740 RDC	92	return err;
	93	}
	94
	95	static int fill_addr(struct sk_buff skb, struct net_device dev, u8 addr,
15e47304	96	u32 portid, u32 seq, int event)
8fb39740 RDC	97	{
	98	struct ifaddrmsg *ifm;
	99	struct nlmsghdr *nlh;
8fb39740	100
15e47304	101	nlh = nlmsg_put(skb, portid, seq, event, sizeof(*ifm), 0);
8980713b RDC	102	if (nlh == NULL)
	103	return -EMSGSIZE;
	104
	105	ifm = nlmsg_data(nlh);
8fb39740 RDC	106	ifm->ifa_family = AF_PHONET;
	107	ifm->ifa_prefixlen = 0;
	108	ifm->ifa_flags = IFA_F_PERMANENT;
8980713b	109	ifm->ifa_scope = RT_SCOPE_LINK;
8fb39740	110	ifm->ifa_index = dev->ifindex;
7f116b5b DM	111	if (nla_put_u8(skb, IFA_LOCAL, addr))
7f116b5b DM	112	goto nla_put_failure;
053c095a JB	113	nlmsg_end(skb, nlh);
053c095a JB	114	return 0;
8fb39740	115
8980713b RDC	116	nla_put_failure:
	117	nlmsg_cancel(skb, nlh);
	118	return -EMSGSIZE;
8fb39740 RDC	119	}
	120
	121	static int getaddr_dumpit(struct sk_buff skb, struct netlink_callback cb)
	122	{
9a3b7a42	123	struct phonet_device_list *pndevs;
8fb39740 RDC	124	struct phonet_device *pnd;
	125	int dev_idx = 0, dev_start_idx = cb->args[0];
	126	int addr_idx = 0, addr_start_idx = cb->args[1];
	127
9a3b7a42	128	pndevs = phonet_device_list(sock_net(skb->sk));
eeb74a9d RDC	129	rcu_read_lock();
eeb74a9d RDC	130	list_for_each_entry_rcu(pnd, &pndevs->list, list) {
8fb39740 RDC	131	u8 addr;
	132
	133	if (dev_idx > dev_start_idx)
	134	addr_start_idx = 0;
	135	if (dev_idx++ < dev_start_idx)
	136	continue;
	137
	138	addr_idx = 0;
a1ca14ac	139	for_each_set_bit(addr, pnd->addrs, 64) {
8fb39740 RDC	140	if (addr_idx++ < addr_start_idx)
	141	continue;
	142
	143	if (fill_addr(skb, pnd->netdev, addr << 2,
15e47304	144	NETLINK_CB(cb->skb).portid,
998ec759	145	cb->nlh->nlmsg_seq, RTM_NEWADDR) < 0)
8fb39740 RDC	146	goto out;
	147	}
	148	}
	149
	150	out:
eeb74a9d	151	rcu_read_unlock();
8fb39740 RDC	152	cb->args[0] = dev_idx;
	153	cb->args[1] = addr_idx;
	154
	155	return skb->len;
	156	}
	157
f062f41d RDC	158	/* Routes handling */
	159
	160	static int fill_route(struct sk_buff skb, struct net_device dev, u8 dst,
15e47304	161	u32 portid, u32 seq, int event)
f062f41d RDC	162	{
	163	struct rtmsg *rtm;
	164	struct nlmsghdr *nlh;
	165
15e47304	166	nlh = nlmsg_put(skb, portid, seq, event, sizeof(*rtm), 0);
f062f41d RDC	167	if (nlh == NULL)
	168	return -EMSGSIZE;
	169
	170	rtm = nlmsg_data(nlh);
	171	rtm->rtm_family = AF_PHONET;
	172	rtm->rtm_dst_len = 6;
	173	rtm->rtm_src_len = 0;
	174	rtm->rtm_tos = 0;
	175	rtm->rtm_table = RT_TABLE_MAIN;
	176	rtm->rtm_protocol = RTPROT_STATIC;
	177	rtm->rtm_scope = RT_SCOPE_UNIVERSE;
	178	rtm->rtm_type = RTN_UNICAST;
	179	rtm->rtm_flags = 0;
7f116b5b	180	if (nla_put_u8(skb, RTA_DST, dst) \|\|
58a4ff5d	181	nla_put_u32(skb, RTA_OIF, READ_ONCE(dev->ifindex)))
7f116b5b	182	goto nla_put_failure;
053c095a JB	183	nlmsg_end(skb, nlh);
053c095a JB	184	return 0;
f062f41d RDC	185
	186	nla_put_failure:
	187	nlmsg_cancel(skb, nlh);
	188	return -EMSGSIZE;
	189	}
	190
	191	void rtm_phonet_notify(int event, struct net_device *dev, u8 dst)
	192	{
	193	struct sk_buff *skb;
	194	int err = -ENOBUFS;
	195
	196	skb = nlmsg_new(NLMSG_ALIGN(sizeof(struct ifaddrmsg)) +
	197	nla_total_size(1) + nla_total_size(4), GFP_KERNEL);
	198	if (skb == NULL)
	199	goto errout;
	200	err = fill_route(skb, dev, dst, 0, 0, event);
	201	if (err < 0) {
	202	WARN_ON(err == -EMSGSIZE);
	203	kfree_skb(skb);
	204	goto errout;
	205	}
	206	rtnl_notify(skb, dev_net(dev), 0,
	207	RTNLGRP_PHONET_ROUTE, NULL, GFP_KERNEL);
	208	return;
	209	errout:
4b7673a0	210	rtnl_set_sk_err(dev_net(dev), RTNLGRP_PHONET_ROUTE, err);
f062f41d RDC	211	}
	212
	213	static const struct nla_policy rtm_phonet_policy[RTA_MAX+1] = {
	214	[RTA_DST] = { .type = NLA_U8 },
	215	[RTA_OIF] = { .type = NLA_U32 },
	216	};
	217
c21ef3e3 DA	218	static int route_doit(struct sk_buff skb, struct nlmsghdr nlh,
c21ef3e3 DA	219	struct netlink_ext_ack *extack)
f062f41d RDC	220	{
	221	struct net *net = sock_net(skb->sk);
	222	struct nlattr *tb[RTA_MAX+1];
	223	struct net_device *dev;
	224	struct rtmsg *rtm;
	225	int err;
	226	u8 dst;
	227
90f62cf3	228	if (!netlink_capable(skb, CAP_NET_ADMIN))
dfc47ef8 EB	229	return -EPERM;
dfc47ef8 EB	230
90f62cf3	231	if (!netlink_capable(skb, CAP_SYS_ADMIN))
f062f41d RDC	232	return -EPERM;
	233
	234	ASSERT_RTNL();
	235
8cb08174 JB	236	err = nlmsg_parse_deprecated(nlh, sizeof(*rtm), tb, RTA_MAX,
8cb08174 JB	237	rtm_phonet_policy, extack);
f062f41d RDC	238	if (err < 0)
	239	return err;
	240
	241	rtm = nlmsg_data(nlh);
	242	if (rtm->rtm_table != RT_TABLE_MAIN \|\| rtm->rtm_type != RTN_UNICAST)
	243	return -EINVAL;
	244	if (tb[RTA_DST] == NULL \|\| tb[RTA_OIF] == NULL)
	245	return -EINVAL;
	246	dst = nla_get_u8(tb[RTA_DST]);
	247	if (dst & 3) /* Phonet addresses only have 6 high-order bits */
	248	return -EINVAL;
	249
	250	dev = __dev_get_by_index(net, nla_get_u32(tb[RTA_OIF]));
	251	if (dev == NULL)
	252	return -ENODEV;
	253
	254	if (nlh->nlmsg_type == RTM_NEWROUTE)
	255	err = phonet_route_add(dev, dst);
	256	else
	257	err = phonet_route_del(dev, dst);
	258	if (!err)
	259	rtm_phonet_notify(nlh->nlmsg_type, dev, dst);
	260	return err;
	261	}
	262
	263	static int route_dumpit(struct sk_buff skb, struct netlink_callback cb)
	264	{
	265	struct net *net = sock_net(skb->sk);
58a4ff5d	266	int err = 0;
926e9878	267	u8 addr;
f062f41d	268
e67f88dd	269	rcu_read_lock();
926e9878 JB	270	for (addr = cb->args[0]; addr < 64; addr++) {
926e9878 JB	271	struct net_device *dev = phonet_route_get_rcu(net, addr << 2);
f062f41d	272
f062f41d RDC	273	if (!dev)
	274	continue;
	275
58a4ff5d ED	276	err = fill_route(skb, dev, addr << 2,
	277	NETLINK_CB(cb->skb).portid,
	278	cb->nlh->nlmsg_seq, RTM_NEWROUTE);
	279	if (err < 0)
	280	break;
f062f41d	281	}
e67f88dd	282	rcu_read_unlock();
926e9878	283	cb->args[0] = addr;
f062f41d	284
58a4ff5d	285	return err;
f062f41d RDC	286	}
f062f41d RDC	287
660f706d	288	int __init phonet_netlink_register(void)
8fb39740	289	{
c1c502b5 FW	290	int err = rtnl_register_module(THIS_MODULE, PF_PHONET, RTM_NEWADDR,
c1c502b5 FW	291	addr_doit, NULL, 0);
660f706d	292	if (err)
	293	return err;
	294
c1c502b5 FW	295	/* Further rtnl_register_module() cannot fail */
	296	rtnl_register_module(THIS_MODULE, PF_PHONET, RTM_DELADDR,
	297	addr_doit, NULL, 0);
	298	rtnl_register_module(THIS_MODULE, PF_PHONET, RTM_GETADDR,
	299	NULL, getaddr_dumpit, 0);
	300	rtnl_register_module(THIS_MODULE, PF_PHONET, RTM_NEWROUTE,
	301	route_doit, NULL, 0);
	302	rtnl_register_module(THIS_MODULE, PF_PHONET, RTM_DELROUTE,
	303	route_doit, NULL, 0);
	304	rtnl_register_module(THIS_MODULE, PF_PHONET, RTM_GETROUTE,
58a4ff5d	305	NULL, route_dumpit, RTNL_FLAG_DUMP_UNLOCKED);
660f706d	306	return 0;
8fb39740	307	}