[mirror_ubuntu-eoan-kernel.git] / drivers / net / bonding / bond_netlink.c

/*
 * drivers/net/bond/bond_netlink.c - Netlink interface for bonding
 * Copyright (c) 2013 Jiri Pirko <jiri@resnulli.us>
 * Copyright (c) 2013 Scott Feldman <sfeldma@cumulusnetworks.com>
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 */

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

#include <linux/module.h>
#include <linux/errno.h>
#include <linux/netdevice.h>
#include <linux/etherdevice.h>
#include <linux/if_link.h>
#include <linux/if_ether.h>
#include <net/netlink.h>
#include <net/rtnetlink.h>
#include "bonding.h"

static const struct nla_policy bond_policy[IFLA_BOND_MAX + 1] = {
	[IFLA_BOND_MODE]		= { .type = NLA_U8 },
	[IFLA_BOND_ACTIVE_SLAVE]	= { .type = NLA_U32 },
	[IFLA_BOND_MIIMON]		= { .type = NLA_U32 },
	[IFLA_BOND_UPDELAY]		= { .type = NLA_U32 },
	[IFLA_BOND_DOWNDELAY]		= { .type = NLA_U32 },
	[IFLA_BOND_USE_CARRIER]		= { .type = NLA_U8 },
	[IFLA_BOND_ARP_INTERVAL]	= { .type = NLA_U32 },
	[IFLA_BOND_ARP_IP_TARGET]	= { .type = NLA_NESTED },
	[IFLA_BOND_ARP_VALIDATE]	= { .type = NLA_U32 },
	[IFLA_BOND_ARP_ALL_TARGETS]	= { .type = NLA_U32 },
	[IFLA_BOND_PRIMARY]		= { .type = NLA_U32 },
	[IFLA_BOND_PRIMARY_RESELECT]	= { .type = NLA_U8 },
	[IFLA_BOND_FAIL_OVER_MAC]	= { .type = NLA_U8 },
};

static int bond_validate(struct nlattr *tb[], struct nlattr *data[])
{
	if (tb[IFLA_ADDRESS]) {
		if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN)
			return -EINVAL;
		if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS])))
			return -EADDRNOTAVAIL;
	}
	return 0;
}

static int bond_changelink(struct net_device *bond_dev,
			   struct nlattr *tb[], struct nlattr *data[])
{
	struct bonding *bond = netdev_priv(bond_dev);
	int miimon = 0;
	int err;

	if (!data)
		return 0;

	if (data[IFLA_BOND_MODE]) {
		int mode = nla_get_u8(data[IFLA_BOND_MODE]);

		err = bond_option_mode_set(bond, mode);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_ACTIVE_SLAVE]) {
		int ifindex = nla_get_u32(data[IFLA_BOND_ACTIVE_SLAVE]);
		struct net_device *slave_dev;

		if (ifindex == 0) {
			slave_dev = NULL;
		} else {
			slave_dev = __dev_get_by_index(dev_net(bond_dev),
						       ifindex);
			if (!slave_dev)
				return -ENODEV;
		}
		err = bond_option_active_slave_set(bond, slave_dev);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_MIIMON]) {
		miimon = nla_get_u32(data[IFLA_BOND_MIIMON]);

		err = bond_option_miimon_set(bond, miimon);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_UPDELAY]) {
		int updelay = nla_get_u32(data[IFLA_BOND_UPDELAY]);

		err = bond_option_updelay_set(bond, updelay);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_DOWNDELAY]) {
		int downdelay = nla_get_u32(data[IFLA_BOND_DOWNDELAY]);

		err = bond_option_downdelay_set(bond, downdelay);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_USE_CARRIER]) {
		int use_carrier = nla_get_u8(data[IFLA_BOND_USE_CARRIER]);

		err = bond_option_use_carrier_set(bond, use_carrier);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_ARP_INTERVAL]) {
		int arp_interval = nla_get_u32(data[IFLA_BOND_ARP_INTERVAL]);

		if (arp_interval && miimon) {
			pr_err("%s: ARP monitoring cannot be used with MII monitoring.\n",
			       bond->dev->name);
			return -EINVAL;
		}

		err = bond_option_arp_interval_set(bond, arp_interval);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_ARP_IP_TARGET]) {
		__be32 targets[BOND_MAX_ARP_TARGETS] = { 0, };
		struct nlattr *attr;
		int i = 0, rem;

		nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) {
			__be32 target = nla_get_be32(attr);
			targets[i++] = target;
		}

		err = bond_option_arp_ip_targets_set(bond, targets, i);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_ARP_VALIDATE]) {
		int arp_validate = nla_get_u32(data[IFLA_BOND_ARP_VALIDATE]);

		if (arp_validate && miimon) {
			pr_err("%s: ARP validating cannot be used with MII monitoring.\n",
			       bond->dev->name);
			return -EINVAL;
		}

		err = bond_option_arp_validate_set(bond, arp_validate);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_ARP_ALL_TARGETS]) {
		int arp_all_targets =
			nla_get_u32(data[IFLA_BOND_ARP_ALL_TARGETS]);

		err = bond_option_arp_all_targets_set(bond, arp_all_targets);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_PRIMARY]) {
		int ifindex = nla_get_u32(data[IFLA_BOND_PRIMARY]);
		struct net_device *dev;
		char *primary = "";

		dev = __dev_get_by_index(dev_net(bond_dev), ifindex);
		if (dev)
			primary = dev->name;

		err = bond_option_primary_set(bond, primary);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_PRIMARY_RESELECT]) {
		int primary_reselect =
			nla_get_u8(data[IFLA_BOND_PRIMARY_RESELECT]);

		err = bond_option_primary_reselect_set(bond, primary_reselect);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_FAIL_OVER_MAC]) {
		int fail_over_mac =
			nla_get_u8(data[IFLA_BOND_FAIL_OVER_MAC]);

		err = bond_option_fail_over_mac_set(bond, fail_over_mac);
		if (err)
			return err;
	}
	return 0;
}

static int bond_newlink(struct net *src_net, struct net_device *bond_dev,
			struct nlattr *tb[], struct nlattr *data[])
{
	int err;

	err = bond_changelink(bond_dev, tb, data);
	if (err < 0)
		return err;

	return register_netdevice(bond_dev);
}

static size_t bond_get_size(const struct net_device *bond_dev)
{
	return nla_total_size(sizeof(u8)) +	/* IFLA_BOND_MODE */
		nla_total_size(sizeof(u32)) +	/* IFLA_BOND_ACTIVE_SLAVE */
		nla_total_size(sizeof(u32)) +	/* IFLA_BOND_MIIMON */
		nla_total_size(sizeof(u32)) +	/* IFLA_BOND_UPDELAY */
		nla_total_size(sizeof(u32)) +	/* IFLA_BOND_DOWNDELAY */
		nla_total_size(sizeof(u8)) +	/* IFLA_BOND_USE_CARRIER */
		nla_total_size(sizeof(u32)) +	/* IFLA_BOND_ARP_INTERVAL */
						/* IFLA_BOND_ARP_IP_TARGET */
		nla_total_size(sizeof(u32)) * BOND_MAX_ARP_TARGETS +
		nla_total_size(sizeof(u32)) +	/* IFLA_BOND_ARP_VALIDATE */
		nla_total_size(sizeof(u32)) +	/* IFLA_BOND_ARP_ALL_TARGETS */
		nla_total_size(sizeof(u32)) +	/* IFLA_BOND_PRIMARY */
		nla_total_size(sizeof(u8)) +	/* IFLA_BOND_PRIMARY_RESELECT */
		nla_total_size(sizeof(u8)) +	/* IFLA_BOND_FAIL_OVER_MAC */
		0;
}

static int bond_fill_info(struct sk_buff *skb,
			  const struct net_device *bond_dev)
{
	struct bonding *bond = netdev_priv(bond_dev);
	struct net_device *slave_dev = bond_option_active_slave_get(bond);
	struct nlattr *targets;
	int i, targets_added;

	if (nla_put_u8(skb, IFLA_BOND_MODE, bond->params.mode))
		goto nla_put_failure;

	if (slave_dev &&
	    nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, slave_dev->ifindex))
		goto nla_put_failure;

	if (nla_put_u32(skb, IFLA_BOND_MIIMON, bond->params.miimon))
		goto nla_put_failure;

	if (nla_put_u32(skb, IFLA_BOND_UPDELAY,
			bond->params.updelay * bond->params.miimon))
		goto nla_put_failure;

	if (nla_put_u32(skb, IFLA_BOND_DOWNDELAY,
			bond->params.downdelay * bond->params.miimon))
		goto nla_put_failure;

	if (nla_put_u8(skb, IFLA_BOND_USE_CARRIER, bond->params.use_carrier))
		goto nla_put_failure;

	if (nla_put_u32(skb, IFLA_BOND_ARP_INTERVAL, bond->params.arp_interval))
		goto nla_put_failure;

	targets = nla_nest_start(skb, IFLA_BOND_ARP_IP_TARGET);
	if (!targets)
		goto nla_put_failure;

	targets_added = 0;
	for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) {
		if (bond->params.arp_targets[i]) {
			nla_put_be32(skb, i, bond->params.arp_targets[i]);
			targets_added = 1;
		}
	}

	if (targets_added)
		nla_nest_end(skb, targets);
	else
		nla_nest_cancel(skb, targets);

	if (nla_put_u32(skb, IFLA_BOND_ARP_VALIDATE, bond->params.arp_validate))
		goto nla_put_failure;

	if (nla_put_u32(skb, IFLA_BOND_ARP_ALL_TARGETS,
			bond->params.arp_all_targets))
		goto nla_put_failure;

	if (bond->primary_slave &&
	    nla_put_u32(skb, IFLA_BOND_PRIMARY,
			bond->primary_slave->dev->ifindex))
		goto nla_put_failure;

	if (nla_put_u8(skb, IFLA_BOND_PRIMARY_RESELECT,
		       bond->params.primary_reselect))
		goto nla_put_failure;

	if (nla_put_u8(skb, IFLA_BOND_FAIL_OVER_MAC,
		       bond->params.fail_over_mac))
		goto nla_put_failure;

	return 0;

nla_put_failure:
	return -EMSGSIZE;
}

struct rtnl_link_ops bond_link_ops __read_mostly = {
	.kind			= "bond",
	.priv_size		= sizeof(struct bonding),
	.setup			= bond_setup,
	.maxtype		= IFLA_BOND_MAX,
	.policy			= bond_policy,
	.validate		= bond_validate,
	.newlink		= bond_newlink,
	.changelink		= bond_changelink,
	.get_size		= bond_get_size,
	.fill_info		= bond_fill_info,
	.get_num_tx_queues	= bond_get_num_tx_queues,
	.get_num_rx_queues	= bond_get_num_tx_queues, /* Use the same number
							     as for TX queues */
};

int __init bond_netlink_init(void)
{
	return rtnl_link_register(&bond_link_ops);
}

void bond_netlink_fini(void)
{
	rtnl_link_unregister(&bond_link_ops);
}

MODULE_ALIAS_RTNL_LINK("bond");
Commit	Line	Data
0a2a78c4 JP	1	/*
	2	* drivers/net/bond/bond_netlink.c - Netlink interface for bonding
	3	* Copyright (c) 2013 Jiri Pirko <jiri@resnulli.us>
eecdaa6e	4	* Copyright (c) 2013 Scott Feldman <sfeldma@cumulusnetworks.com>
0a2a78c4 JP	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 as published by
	8	* the Free Software Foundation; either version 2 of the License, or
	9	* (at your option) any later version.
	10	*/
	11
	12	#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
	13
	14	#include <linux/module.h>
	15	#include <linux/errno.h>
	16	#include <linux/netdevice.h>
	17	#include <linux/etherdevice.h>
	18	#include <linux/if_link.h>
	19	#include <linux/if_ether.h>
	20	#include <net/netlink.h>
	21	#include <net/rtnetlink.h>
	22	#include "bonding.h"
	23
90af2311 JP	24	static const struct nla_policy bond_policy[IFLA_BOND_MAX + 1] = {
90af2311 JP	25	[IFLA_BOND_MODE] = { .type = NLA_U8 },
ec76aa49	26	[IFLA_BOND_ACTIVE_SLAVE] = { .type = NLA_U32 },
eecdaa6e	27	[IFLA_BOND_MIIMON] = { .type = NLA_U32 },
25852e29	28	[IFLA_BOND_UPDELAY] = { .type = NLA_U32 },
c7461f9b	29	[IFLA_BOND_DOWNDELAY] = { .type = NLA_U32 },
9f53e14e	30	[IFLA_BOND_USE_CARRIER] = { .type = NLA_U8 },
06151dbc	31	[IFLA_BOND_ARP_INTERVAL] = { .type = NLA_U32 },
7f28fa10	32	[IFLA_BOND_ARP_IP_TARGET] = { .type = NLA_NESTED },
29c49482	33	[IFLA_BOND_ARP_VALIDATE] = { .type = NLA_U32 },
d5c84254	34	[IFLA_BOND_ARP_ALL_TARGETS] = { .type = NLA_U32 },
0a98a0d1	35	[IFLA_BOND_PRIMARY] = { .type = NLA_U32 },
8a41ae44	36	[IFLA_BOND_PRIMARY_RESELECT] = { .type = NLA_U8 },
89901972	37	[IFLA_BOND_FAIL_OVER_MAC] = { .type = NLA_U8 },
90af2311 JP	38	};
90af2311 JP	39
0a2a78c4 JP	40	static int bond_validate(struct nlattr tb[], struct nlattr data[])
	41	{
	42	if (tb[IFLA_ADDRESS]) {
	43	if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN)
	44	return -EINVAL;
	45	if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS])))
	46	return -EADDRNOTAVAIL;
	47	}
	48	return 0;
	49	}
	50
90af2311 JP	51	static int bond_changelink(struct net_device *bond_dev,
	52	struct nlattr tb[], struct nlattr data[])
	53	{
	54	struct bonding *bond = netdev_priv(bond_dev);
06151dbc	55	int miimon = 0;
90af2311 JP	56	int err;
90af2311 JP	57
eecdaa6e	58	if (!data)
	59	return 0;
	60
	61	if (data[IFLA_BOND_MODE]) {
90af2311 JP	62	int mode = nla_get_u8(data[IFLA_BOND_MODE]);
	63
	64	err = bond_option_mode_set(bond, mode);
	65	if (err)
	66	return err;
	67	}
eecdaa6e	68	if (data[IFLA_BOND_ACTIVE_SLAVE]) {
ec76aa49 JP	69	int ifindex = nla_get_u32(data[IFLA_BOND_ACTIVE_SLAVE]);
	70	struct net_device *slave_dev;
	71
	72	if (ifindex == 0) {
	73	slave_dev = NULL;
	74	} else {
	75	slave_dev = __dev_get_by_index(dev_net(bond_dev),
	76	ifindex);
	77	if (!slave_dev)
	78	return -ENODEV;
	79	}
	80	err = bond_option_active_slave_set(bond, slave_dev);
	81	if (err)
	82	return err;
	83	}
eecdaa6e	84	if (data[IFLA_BOND_MIIMON]) {
06151dbc	85	miimon = nla_get_u32(data[IFLA_BOND_MIIMON]);
eecdaa6e	86
	87	err = bond_option_miimon_set(bond, miimon);
	88	if (err)
	89	return err;
	90	}
25852e29	91	if (data[IFLA_BOND_UPDELAY]) {
	92	int updelay = nla_get_u32(data[IFLA_BOND_UPDELAY]);
	93
	94	err = bond_option_updelay_set(bond, updelay);
	95	if (err)
	96	return err;
	97	}
c7461f9b	98	if (data[IFLA_BOND_DOWNDELAY]) {
	99	int downdelay = nla_get_u32(data[IFLA_BOND_DOWNDELAY]);
	100
	101	err = bond_option_downdelay_set(bond, downdelay);
	102	if (err)
	103	return err;
	104	}
9f53e14e	105	if (data[IFLA_BOND_USE_CARRIER]) {
	106	int use_carrier = nla_get_u8(data[IFLA_BOND_USE_CARRIER]);
	107
	108	err = bond_option_use_carrier_set(bond, use_carrier);
	109	if (err)
	110	return err;
	111	}
06151dbc	112	if (data[IFLA_BOND_ARP_INTERVAL]) {
	113	int arp_interval = nla_get_u32(data[IFLA_BOND_ARP_INTERVAL]);
	114
	115	if (arp_interval && miimon) {
	116	pr_err("%s: ARP monitoring cannot be used with MII monitoring.\n",
	117	bond->dev->name);
	118	return -EINVAL;
	119	}
	120
	121	err = bond_option_arp_interval_set(bond, arp_interval);
	122	if (err)
	123	return err;
	124	}
7f28fa10	125	if (data[IFLA_BOND_ARP_IP_TARGET]) {
	126	__be32 targets[BOND_MAX_ARP_TARGETS] = { 0, };
	127	struct nlattr *attr;
	128	int i = 0, rem;
	129
	130	nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) {
e7ef941d	131	__be32 target = nla_get_be32(attr);
7f28fa10	132	targets[i++] = target;
	133	}
	134
	135	err = bond_option_arp_ip_targets_set(bond, targets, i);
	136	if (err)
	137	return err;
	138	}
29c49482	139	if (data[IFLA_BOND_ARP_VALIDATE]) {
	140	int arp_validate = nla_get_u32(data[IFLA_BOND_ARP_VALIDATE]);
	141
	142	if (arp_validate && miimon) {
	143	pr_err("%s: ARP validating cannot be used with MII monitoring.\n",
	144	bond->dev->name);
	145	return -EINVAL;
	146	}
	147
	148	err = bond_option_arp_validate_set(bond, arp_validate);
	149	if (err)
	150	return err;
	151	}
d5c84254	152	if (data[IFLA_BOND_ARP_ALL_TARGETS]) {
	153	int arp_all_targets =
	154	nla_get_u32(data[IFLA_BOND_ARP_ALL_TARGETS]);
	155
	156	err = bond_option_arp_all_targets_set(bond, arp_all_targets);
	157	if (err)
	158	return err;
	159	}
0a98a0d1	160	if (data[IFLA_BOND_PRIMARY]) {
	161	int ifindex = nla_get_u32(data[IFLA_BOND_PRIMARY]);
	162	struct net_device *dev;
	163	char *primary = "";
	164
	165	dev = __dev_get_by_index(dev_net(bond_dev), ifindex);
	166	if (dev)
	167	primary = dev->name;
	168
	169	err = bond_option_primary_set(bond, primary);
	170	if (err)
	171	return err;
	172	}
8a41ae44	173	if (data[IFLA_BOND_PRIMARY_RESELECT]) {
	174	int primary_reselect =
	175	nla_get_u8(data[IFLA_BOND_PRIMARY_RESELECT]);
	176
	177	err = bond_option_primary_reselect_set(bond, primary_reselect);
	178	if (err)
	179	return err;
	180	}
89901972	181	if (data[IFLA_BOND_FAIL_OVER_MAC]) {
	182	int fail_over_mac =
	183	nla_get_u8(data[IFLA_BOND_FAIL_OVER_MAC]);
	184
	185	err = bond_option_fail_over_mac_set(bond, fail_over_mac);
	186	if (err)
	187	return err;
	188	}
90af2311 JP	189	return 0;
	190	}
	191
	192	static int bond_newlink(struct net src_net, struct net_device bond_dev,
	193	struct nlattr tb[], struct nlattr data[])
	194	{
	195	int err;
	196
	197	err = bond_changelink(bond_dev, tb, data);
	198	if (err < 0)
	199	return err;
	200
	201	return register_netdevice(bond_dev);
	202	}
	203
	204	static size_t bond_get_size(const struct net_device *bond_dev)
	205	{
e139862e	206	return nla_total_size(sizeof(u8)) + /* IFLA_BOND_MODE */
eecdaa6e	207	nla_total_size(sizeof(u32)) + /* IFLA_BOND_ACTIVE_SLAVE */
eecdaa6e	208	nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIIMON */
25852e29	209	nla_total_size(sizeof(u32)) + /* IFLA_BOND_UPDELAY */
c7461f9b	210	nla_total_size(sizeof(u32)) + /* IFLA_BOND_DOWNDELAY */
9f53e14e	211	nla_total_size(sizeof(u8)) + /* IFLA_BOND_USE_CARRIER */
06151dbc	212	nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_INTERVAL */
7f28fa10	213	/* IFLA_BOND_ARP_IP_TARGET */
7f28fa10	214	nla_total_size(sizeof(u32)) * BOND_MAX_ARP_TARGETS +
29c49482	215	nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_VALIDATE */
d5c84254	216	nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_ALL_TARGETS */
0a98a0d1	217	nla_total_size(sizeof(u32)) + /* IFLA_BOND_PRIMARY */
8a41ae44	218	nla_total_size(sizeof(u8)) + /* IFLA_BOND_PRIMARY_RESELECT */
89901972	219	nla_total_size(sizeof(u8)) + /* IFLA_BOND_FAIL_OVER_MAC */
eecdaa6e	220	0;
90af2311 JP	221	}
	222
	223	static int bond_fill_info(struct sk_buff *skb,
	224	const struct net_device *bond_dev)
	225	{
	226	struct bonding *bond = netdev_priv(bond_dev);
ec76aa49	227	struct net_device *slave_dev = bond_option_active_slave_get(bond);
7f28fa10	228	struct nlattr *targets;
7f28fa10	229	int i, targets_added;
90af2311	230
eecdaa6e	231	if (nla_put_u8(skb, IFLA_BOND_MODE, bond->params.mode))
90af2311	232	goto nla_put_failure;
eecdaa6e	233
	234	if (slave_dev &&
	235	nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, slave_dev->ifindex))
	236	goto nla_put_failure;
	237
	238	if (nla_put_u32(skb, IFLA_BOND_MIIMON, bond->params.miimon))
	239	goto nla_put_failure;
	240
25852e29	241	if (nla_put_u32(skb, IFLA_BOND_UPDELAY,
	242	bond->params.updelay * bond->params.miimon))
	243	goto nla_put_failure;
	244
c7461f9b	245	if (nla_put_u32(skb, IFLA_BOND_DOWNDELAY,
	246	bond->params.downdelay * bond->params.miimon))
	247	goto nla_put_failure;
	248
9f53e14e	249	if (nla_put_u8(skb, IFLA_BOND_USE_CARRIER, bond->params.use_carrier))
	250	goto nla_put_failure;
	251
06151dbc	252	if (nla_put_u32(skb, IFLA_BOND_ARP_INTERVAL, bond->params.arp_interval))
	253	goto nla_put_failure;
	254
7f28fa10	255	targets = nla_nest_start(skb, IFLA_BOND_ARP_IP_TARGET);
	256	if (!targets)
	257	goto nla_put_failure;
	258
	259	targets_added = 0;
	260	for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) {
	261	if (bond->params.arp_targets[i]) {
e7ef941d	262	nla_put_be32(skb, i, bond->params.arp_targets[i]);
7f28fa10	263	targets_added = 1;
	264	}
	265	}
	266
	267	if (targets_added)
	268	nla_nest_end(skb, targets);
	269	else
	270	nla_nest_cancel(skb, targets);
	271
29c49482	272	if (nla_put_u32(skb, IFLA_BOND_ARP_VALIDATE, bond->params.arp_validate))
	273	goto nla_put_failure;
	274
d5c84254	275	if (nla_put_u32(skb, IFLA_BOND_ARP_ALL_TARGETS,
	276	bond->params.arp_all_targets))
	277	goto nla_put_failure;
	278
0a98a0d1	279	if (bond->primary_slave &&
	280	nla_put_u32(skb, IFLA_BOND_PRIMARY,
	281	bond->primary_slave->dev->ifindex))
	282	goto nla_put_failure;
	283
8a41ae44	284	if (nla_put_u8(skb, IFLA_BOND_PRIMARY_RESELECT,
	285	bond->params.primary_reselect))
	286	goto nla_put_failure;
	287
89901972	288	if (nla_put_u8(skb, IFLA_BOND_FAIL_OVER_MAC,
	289	bond->params.fail_over_mac))
	290	goto nla_put_failure;
	291
90af2311 JP	292	return 0;
	293
	294	nla_put_failure:
	295	return -EMSGSIZE;
	296	}
	297
0a2a78c4 JP	298	struct rtnl_link_ops bond_link_ops __read_mostly = {
	299	.kind = "bond",
	300	.priv_size = sizeof(struct bonding),
	301	.setup = bond_setup,
90af2311 JP	302	.maxtype = IFLA_BOND_MAX,
90af2311 JP	303	.policy = bond_policy,
0a2a78c4	304	.validate = bond_validate,
90af2311 JP	305	.newlink = bond_newlink,
	306	.changelink = bond_changelink,
	307	.get_size = bond_get_size,
	308	.fill_info = bond_fill_info,
0a2a78c4 JP	309	.get_num_tx_queues = bond_get_num_tx_queues,
	310	.get_num_rx_queues = bond_get_num_tx_queues, /* Use the same number
	311	as for TX queues */
	312	};
	313
	314	int __init bond_netlink_init(void)
	315	{
	316	return rtnl_link_register(&bond_link_ops);
	317	}
	318
a729e83a	319	void bond_netlink_fini(void)
0a2a78c4 JP	320	{
	321	rtnl_link_unregister(&bond_link_ops);
	322	}
	323
	324	MODULE_ALIAS_RTNL_LINK("bond");