[mirror_ubuntu-bionic-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"

int bond_get_slave(struct net_device *slave_dev, struct sk_buff *skb)
{
	struct slave *slave = bond_slave_get_rtnl(slave_dev);
	const struct aggregator *agg;

	if (nla_put_u8(skb, IFLA_SLAVE_STATE, bond_slave_state(slave)))
		goto nla_put_failure;

	if (nla_put_u8(skb, IFLA_SLAVE_MII_STATUS, slave->link))
		goto nla_put_failure;

	if (nla_put_u32(skb, IFLA_SLAVE_LINK_FAILURE_COUNT,
			slave->link_failure_count))
		goto nla_put_failure;

	if (nla_put(skb, IFLA_SLAVE_PERM_HWADDR,
		    slave_dev->addr_len, slave->perm_hwaddr))
		goto nla_put_failure;

	if (nla_put_u16(skb, IFLA_SLAVE_QUEUE_ID, slave->queue_id))
		goto nla_put_failure;

	if (slave->bond->params.mode == BOND_MODE_8023AD) {
		agg = SLAVE_AD_INFO(slave).port.aggregator;
		if (agg)
			if (nla_put_u16(skb, IFLA_SLAVE_AD_AGGREGATOR_ID,
					agg->aggregator_identifier))
				goto nla_put_failure;
	}

	return 0;

nla_put_failure:
	return -EMSGSIZE;
}

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 },
	[IFLA_BOND_XMIT_HASH_POLICY]	= { .type = NLA_U8 },
	[IFLA_BOND_RESEND_IGMP]		= { .type = NLA_U32 },
	[IFLA_BOND_NUM_PEER_NOTIF]	= { .type = NLA_U8 },
	[IFLA_BOND_ALL_SLAVES_ACTIVE]	= { .type = NLA_U8 },
	[IFLA_BOND_MIN_LINKS]		= { .type = NLA_U32 },
	[IFLA_BOND_LP_INTERVAL]		= { .type = NLA_U32 },
	[IFLA_BOND_PACKETS_PER_SLAVE]	= { .type = NLA_U32 },
	[IFLA_BOND_AD_LACP_RATE]	= { .type = NLA_U8 },
	[IFLA_BOND_AD_SELECT]		= { .type = NLA_U8 },
	[IFLA_BOND_AD_INFO]		= { .type = NLA_NESTED },
};

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);
	struct bond_opt_value newval;
	int miimon = 0;
	int err;

	if (!data)
		return 0;

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

		bond_opt_initval(&newval, mode);
		err = __bond_opt_set(bond, BOND_OPT_MODE, &newval);
		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]);

		bond_opt_initval(&newval, miimon);
		err = __bond_opt_set(bond, BOND_OPT_MIIMON, &newval);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_UPDELAY]) {
		int updelay = nla_get_u32(data[IFLA_BOND_UPDELAY]);

		bond_opt_initval(&newval, updelay);
		err = __bond_opt_set(bond, BOND_OPT_UPDELAY, &newval);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_DOWNDELAY]) {
		int downdelay = nla_get_u32(data[IFLA_BOND_DOWNDELAY]);

		bond_opt_initval(&newval, downdelay);
		err = __bond_opt_set(bond, BOND_OPT_DOWNDELAY, &newval);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_USE_CARRIER]) {
		int use_carrier = nla_get_u8(data[IFLA_BOND_USE_CARRIER]);

		bond_opt_initval(&newval, use_carrier);
		err = __bond_opt_set(bond, BOND_OPT_USE_CARRIER, &newval);
		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;
		}

		bond_opt_initval(&newval, arp_interval);
		err = __bond_opt_set(bond, BOND_OPT_ARP_INTERVAL, &newval);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_ARP_IP_TARGET]) {
		struct nlattr *attr;
		int i = 0, rem;

		bond_option_arp_ip_targets_clear(bond);
		nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) {
			__be32 target = nla_get_be32(attr);

			bond_opt_initval(&newval, target);
			err = __bond_opt_set(bond, BOND_OPT_ARP_TARGETS,
					     &newval);
			if (err)
				break;
			i++;
		}
		if (i == 0 && bond->params.arp_interval)
			pr_warn("%s: removing last arp target with arp_interval on\n",
				bond->dev->name);
		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;
		}

		bond_opt_initval(&newval, arp_validate);
		err = __bond_opt_set(bond, BOND_OPT_ARP_VALIDATE, &newval);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_ARP_ALL_TARGETS]) {
		int arp_all_targets =
			nla_get_u32(data[IFLA_BOND_ARP_ALL_TARGETS]);

		bond_opt_initval(&newval, arp_all_targets);
		err = __bond_opt_set(bond, BOND_OPT_ARP_ALL_TARGETS, &newval);
		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;

		bond_opt_initstr(&newval, primary);
		err = __bond_opt_set(bond, BOND_OPT_PRIMARY, &newval);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_PRIMARY_RESELECT]) {
		int primary_reselect =
			nla_get_u8(data[IFLA_BOND_PRIMARY_RESELECT]);

		bond_opt_initval(&newval, primary_reselect);
		err = __bond_opt_set(bond, BOND_OPT_PRIMARY_RESELECT, &newval);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_FAIL_OVER_MAC]) {
		int fail_over_mac =
			nla_get_u8(data[IFLA_BOND_FAIL_OVER_MAC]);

		bond_opt_initval(&newval, fail_over_mac);
		err = __bond_opt_set(bond, BOND_OPT_FAIL_OVER_MAC, &newval);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_XMIT_HASH_POLICY]) {
		int xmit_hash_policy =
			nla_get_u8(data[IFLA_BOND_XMIT_HASH_POLICY]);

		bond_opt_initval(&newval, xmit_hash_policy);
		err = __bond_opt_set(bond, BOND_OPT_XMIT_HASH, &newval);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_RESEND_IGMP]) {
		int resend_igmp =
			nla_get_u32(data[IFLA_BOND_RESEND_IGMP]);

		err = bond_option_resend_igmp_set(bond, resend_igmp);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_NUM_PEER_NOTIF]) {
		int num_peer_notif =
			nla_get_u8(data[IFLA_BOND_NUM_PEER_NOTIF]);

		bond_opt_initval(&newval, num_peer_notif);
		err = __bond_opt_set(bond, BOND_OPT_NUM_PEER_NOTIF, &newval);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_ALL_SLAVES_ACTIVE]) {
		int all_slaves_active =
			nla_get_u8(data[IFLA_BOND_ALL_SLAVES_ACTIVE]);

		err = bond_option_all_slaves_active_set(bond,
							all_slaves_active);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_MIN_LINKS]) {
		int min_links =
			nla_get_u32(data[IFLA_BOND_MIN_LINKS]);

		bond_opt_initval(&newval, min_links);
		err = __bond_opt_set(bond, BOND_OPT_MINLINKS, &newval);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_LP_INTERVAL]) {
		int lp_interval =
			nla_get_u32(data[IFLA_BOND_LP_INTERVAL]);

		err = bond_option_lp_interval_set(bond, lp_interval);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_PACKETS_PER_SLAVE]) {
		int packets_per_slave =
			nla_get_u32(data[IFLA_BOND_PACKETS_PER_SLAVE]);

		bond_opt_initval(&newval, packets_per_slave);
		err = __bond_opt_set(bond, BOND_OPT_PACKETS_PER_SLAVE, &newval);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_AD_LACP_RATE]) {
		int lacp_rate =
			nla_get_u8(data[IFLA_BOND_AD_LACP_RATE]);

		bond_opt_initval(&newval, lacp_rate);
		err = __bond_opt_set(bond, BOND_OPT_LACP_RATE, &newval);
		if (err)
			return err;
	}
	if (data[IFLA_BOND_AD_SELECT]) {
		int ad_select =
			nla_get_u8(data[IFLA_BOND_AD_SELECT]);

		bond_opt_initval(&newval, ad_select);
		err = __bond_opt_set(bond, BOND_OPT_AD_SELECT, &newval);
		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(struct nlattr)) +
		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 */
		nla_total_size(sizeof(u8)) +	/* IFLA_BOND_XMIT_HASH_POLICY */
		nla_total_size(sizeof(u32)) +	/* IFLA_BOND_RESEND_IGMP */
		nla_total_size(sizeof(u8)) +	/* IFLA_BOND_NUM_PEER_NOTIF */
		nla_total_size(sizeof(u8)) +   /* IFLA_BOND_ALL_SLAVES_ACTIVE */
		nla_total_size(sizeof(u32)) +	/* IFLA_BOND_MIN_LINKS */
		nla_total_size(sizeof(u32)) +	/* IFLA_BOND_LP_INTERVAL */
		nla_total_size(sizeof(u32)) +  /* IFLA_BOND_PACKETS_PER_SLAVE */
		nla_total_size(sizeof(u8)) +	/* IFLA_BOND_AD_LACP_RATE */
		nla_total_size(sizeof(u8)) +	/* IFLA_BOND_AD_SELECT */
		nla_total_size(sizeof(struct nlattr)) + /* IFLA_BOND_AD_INFO */
		nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_AGGREGATOR */
		nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_NUM_PORTS */
		nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_ACTOR_KEY */
		nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_PARTNER_KEY*/
		nla_total_size(ETH_ALEN) +    /* IFLA_BOND_AD_INFO_PARTNER_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;
	unsigned int packets_per_slave;
	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;

	if (nla_put_u8(skb, IFLA_BOND_XMIT_HASH_POLICY,
		       bond->params.xmit_policy))
		goto nla_put_failure;

	if (nla_put_u32(skb, IFLA_BOND_RESEND_IGMP,
		        bond->params.resend_igmp))
		goto nla_put_failure;

	if (nla_put_u8(skb, IFLA_BOND_NUM_PEER_NOTIF,
		       bond->params.num_peer_notif))
		goto nla_put_failure;

	if (nla_put_u8(skb, IFLA_BOND_ALL_SLAVES_ACTIVE,
		       bond->params.all_slaves_active))
		goto nla_put_failure;

	if (nla_put_u32(skb, IFLA_BOND_MIN_LINKS,
			bond->params.min_links))
		goto nla_put_failure;

	if (nla_put_u32(skb, IFLA_BOND_LP_INTERVAL,
			bond->params.lp_interval))
		goto nla_put_failure;

	packets_per_slave = bond->params.packets_per_slave;
	if (nla_put_u32(skb, IFLA_BOND_PACKETS_PER_SLAVE,
			packets_per_slave))
		goto nla_put_failure;

	if (nla_put_u8(skb, IFLA_BOND_AD_LACP_RATE,
		       bond->params.lacp_fast))
		goto nla_put_failure;

	if (nla_put_u8(skb, IFLA_BOND_AD_SELECT,
		       bond->params.ad_select))
		goto nla_put_failure;

	if (bond->params.mode == BOND_MODE_8023AD) {
		struct ad_info info;

		if (!bond_3ad_get_active_agg_info(bond, &info)) {
			struct nlattr *nest;

			nest = nla_nest_start(skb, IFLA_BOND_AD_INFO);
			if (!nest)
				goto nla_put_failure;

			if (nla_put_u16(skb, IFLA_BOND_AD_INFO_AGGREGATOR,
					info.aggregator_id))
				goto nla_put_failure;
			if (nla_put_u16(skb, IFLA_BOND_AD_INFO_NUM_PORTS,
					info.ports))
				goto nla_put_failure;
			if (nla_put_u16(skb, IFLA_BOND_AD_INFO_ACTOR_KEY,
					info.actor_key))
				goto nla_put_failure;
			if (nla_put_u16(skb, IFLA_BOND_AD_INFO_PARTNER_KEY,
					info.partner_key))
				goto nla_put_failure;
			if (nla_put(skb, IFLA_BOND_AD_INFO_PARTNER_MAC,
				    sizeof(info.partner_system),
				    &info.partner_system))
				goto nla_put_failure;

			nla_nest_end(skb, nest);
		}
	}

	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
1d3ee88a	24	int bond_get_slave(struct net_device slave_dev, struct sk_buff skb)
	25	{
	26	struct slave *slave = bond_slave_get_rtnl(slave_dev);
	27	const struct aggregator *agg;
	28
	29	if (nla_put_u8(skb, IFLA_SLAVE_STATE, bond_slave_state(slave)))
	30	goto nla_put_failure;
	31
	32	if (nla_put_u8(skb, IFLA_SLAVE_MII_STATUS, slave->link))
	33	goto nla_put_failure;
	34
	35	if (nla_put_u32(skb, IFLA_SLAVE_LINK_FAILURE_COUNT,
	36	slave->link_failure_count))
	37	goto nla_put_failure;
	38
	39	if (nla_put(skb, IFLA_SLAVE_PERM_HWADDR,
	40	slave_dev->addr_len, slave->perm_hwaddr))
	41	goto nla_put_failure;
	42
	43	if (nla_put_u16(skb, IFLA_SLAVE_QUEUE_ID, slave->queue_id))
	44	goto nla_put_failure;
	45
	46	if (slave->bond->params.mode == BOND_MODE_8023AD) {
	47	agg = SLAVE_AD_INFO(slave).port.aggregator;
	48	if (agg)
	49	if (nla_put_u16(skb, IFLA_SLAVE_AD_AGGREGATOR_ID,
	50	agg->aggregator_identifier))
	51	goto nla_put_failure;
	52	}
	53
	54	return 0;
	55
	56	nla_put_failure:
	57	return -EMSGSIZE;
	58	}
	59
90af2311 JP	60	static const struct nla_policy bond_policy[IFLA_BOND_MAX + 1] = {
90af2311 JP	61	[IFLA_BOND_MODE] = { .type = NLA_U8 },
ec76aa49	62	[IFLA_BOND_ACTIVE_SLAVE] = { .type = NLA_U32 },
eecdaa6e	63	[IFLA_BOND_MIIMON] = { .type = NLA_U32 },
25852e29	64	[IFLA_BOND_UPDELAY] = { .type = NLA_U32 },
c7461f9b	65	[IFLA_BOND_DOWNDELAY] = { .type = NLA_U32 },
9f53e14e	66	[IFLA_BOND_USE_CARRIER] = { .type = NLA_U8 },
06151dbc	67	[IFLA_BOND_ARP_INTERVAL] = { .type = NLA_U32 },
7f28fa10	68	[IFLA_BOND_ARP_IP_TARGET] = { .type = NLA_NESTED },
29c49482	69	[IFLA_BOND_ARP_VALIDATE] = { .type = NLA_U32 },
d5c84254	70	[IFLA_BOND_ARP_ALL_TARGETS] = { .type = NLA_U32 },
0a98a0d1	71	[IFLA_BOND_PRIMARY] = { .type = NLA_U32 },
8a41ae44	72	[IFLA_BOND_PRIMARY_RESELECT] = { .type = NLA_U8 },
89901972	73	[IFLA_BOND_FAIL_OVER_MAC] = { .type = NLA_U8 },
f70161c6	74	[IFLA_BOND_XMIT_HASH_POLICY] = { .type = NLA_U8 },
d8838de7	75	[IFLA_BOND_RESEND_IGMP] = { .type = NLA_U32 },
2c9839c1	76	[IFLA_BOND_NUM_PEER_NOTIF] = { .type = NLA_U8 },
1cc0b1e3	77	[IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NLA_U8 },
7d101008	78	[IFLA_BOND_MIN_LINKS] = { .type = NLA_U32 },
8d836d09	79	[IFLA_BOND_LP_INTERVAL] = { .type = NLA_U32 },
c13ab3ff	80	[IFLA_BOND_PACKETS_PER_SLAVE] = { .type = NLA_U32 },
998e40bb	81	[IFLA_BOND_AD_LACP_RATE] = { .type = NLA_U8 },
ec029fac	82	[IFLA_BOND_AD_SELECT] = { .type = NLA_U8 },
4ee7ac75	83	[IFLA_BOND_AD_INFO] = { .type = NLA_NESTED },
90af2311 JP	84	};
90af2311 JP	85
0a2a78c4 JP	86	static int bond_validate(struct nlattr tb[], struct nlattr data[])
	87	{
	88	if (tb[IFLA_ADDRESS]) {
	89	if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN)
	90	return -EINVAL;
	91	if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS])))
	92	return -EADDRNOTAVAIL;
	93	}
	94	return 0;
	95	}
	96
90af2311 JP	97	static int bond_changelink(struct net_device *bond_dev,
	98	struct nlattr tb[], struct nlattr data[])
	99	{
	100	struct bonding *bond = netdev_priv(bond_dev);
2b3798d5	101	struct bond_opt_value newval;
06151dbc	102	int miimon = 0;
90af2311 JP	103	int err;
90af2311 JP	104
eecdaa6e	105	if (!data)
	106	return 0;
	107
	108	if (data[IFLA_BOND_MODE]) {
90af2311 JP	109	int mode = nla_get_u8(data[IFLA_BOND_MODE]);
90af2311 JP	110
2b3798d5 NA	111	bond_opt_initval(&newval, mode);
2b3798d5 NA	112	err = __bond_opt_set(bond, BOND_OPT_MODE, &newval);
90af2311 JP	113	if (err)
	114	return err;
	115	}
eecdaa6e	116	if (data[IFLA_BOND_ACTIVE_SLAVE]) {
ec76aa49 JP	117	int ifindex = nla_get_u32(data[IFLA_BOND_ACTIVE_SLAVE]);
	118	struct net_device *slave_dev;
	119
	120	if (ifindex == 0) {
	121	slave_dev = NULL;
	122	} else {
	123	slave_dev = __dev_get_by_index(dev_net(bond_dev),
	124	ifindex);
	125	if (!slave_dev)
	126	return -ENODEV;
	127	}
	128	err = bond_option_active_slave_set(bond, slave_dev);
	129	if (err)
	130	return err;
	131	}
eecdaa6e	132	if (data[IFLA_BOND_MIIMON]) {
06151dbc	133	miimon = nla_get_u32(data[IFLA_BOND_MIIMON]);
eecdaa6e	134
b98d9c66 NA	135	bond_opt_initval(&newval, miimon);
b98d9c66 NA	136	err = __bond_opt_set(bond, BOND_OPT_MIIMON, &newval);
eecdaa6e	137	if (err)
	138	return err;
	139	}
25852e29	140	if (data[IFLA_BOND_UPDELAY]) {
	141	int updelay = nla_get_u32(data[IFLA_BOND_UPDELAY]);
	142
e4994612 NA	143	bond_opt_initval(&newval, updelay);
e4994612 NA	144	err = __bond_opt_set(bond, BOND_OPT_UPDELAY, &newval);
25852e29	145	if (err)
	146	return err;
	147	}
c7461f9b	148	if (data[IFLA_BOND_DOWNDELAY]) {
	149	int downdelay = nla_get_u32(data[IFLA_BOND_DOWNDELAY]);
	150
25a9b54a NA	151	bond_opt_initval(&newval, downdelay);
25a9b54a NA	152	err = __bond_opt_set(bond, BOND_OPT_DOWNDELAY, &newval);
c7461f9b	153	if (err)
	154	return err;
	155	}
9f53e14e	156	if (data[IFLA_BOND_USE_CARRIER]) {
	157	int use_carrier = nla_get_u8(data[IFLA_BOND_USE_CARRIER]);
	158
0fff0608 NA	159	bond_opt_initval(&newval, use_carrier);
0fff0608 NA	160	err = __bond_opt_set(bond, BOND_OPT_USE_CARRIER, &newval);
9f53e14e	161	if (err)
	162	return err;
	163	}
06151dbc	164	if (data[IFLA_BOND_ARP_INTERVAL]) {
	165	int arp_interval = nla_get_u32(data[IFLA_BOND_ARP_INTERVAL]);
	166
	167	if (arp_interval && miimon) {
	168	pr_err("%s: ARP monitoring cannot be used with MII monitoring.\n",
	169	bond->dev->name);
	170	return -EINVAL;
	171	}
	172
7bdb04ed NA	173	bond_opt_initval(&newval, arp_interval);
7bdb04ed NA	174	err = __bond_opt_set(bond, BOND_OPT_ARP_INTERVAL, &newval);
06151dbc	175	if (err)
	176	return err;
	177	}
7f28fa10	178	if (data[IFLA_BOND_ARP_IP_TARGET]) {
7f28fa10	179	struct nlattr *attr;
	180	int i = 0, rem;
	181
4fb0ef58	182	bond_option_arp_ip_targets_clear(bond);
7f28fa10	183	nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) {
e7ef941d	184	__be32 target = nla_get_be32(attr);
7f28fa10	185
4fb0ef58 NA	186	bond_opt_initval(&newval, target);
	187	err = __bond_opt_set(bond, BOND_OPT_ARP_TARGETS,
	188	&newval);
	189	if (err)
	190	break;
	191	i++;
	192	}
	193	if (i == 0 && bond->params.arp_interval)
	194	pr_warn("%s: removing last arp target with arp_interval on\n",
	195	bond->dev->name);
7f28fa10	196	if (err)
	197	return err;
	198	}
29c49482	199	if (data[IFLA_BOND_ARP_VALIDATE]) {
	200	int arp_validate = nla_get_u32(data[IFLA_BOND_ARP_VALIDATE]);
	201
	202	if (arp_validate && miimon) {
	203	pr_err("%s: ARP validating cannot be used with MII monitoring.\n",
	204	bond->dev->name);
	205	return -EINVAL;
	206	}
	207
16228881 NA	208	bond_opt_initval(&newval, arp_validate);
16228881 NA	209	err = __bond_opt_set(bond, BOND_OPT_ARP_VALIDATE, &newval);
29c49482	210	if (err)
	211	return err;
	212	}
d5c84254	213	if (data[IFLA_BOND_ARP_ALL_TARGETS]) {
	214	int arp_all_targets =
	215	nla_get_u32(data[IFLA_BOND_ARP_ALL_TARGETS]);
	216
edf36b24 NA	217	bond_opt_initval(&newval, arp_all_targets);
edf36b24 NA	218	err = __bond_opt_set(bond, BOND_OPT_ARP_ALL_TARGETS, &newval);
d5c84254	219	if (err)
	220	return err;
	221	}
0a98a0d1	222	if (data[IFLA_BOND_PRIMARY]) {
	223	int ifindex = nla_get_u32(data[IFLA_BOND_PRIMARY]);
	224	struct net_device *dev;
	225	char *primary = "";
	226
	227	dev = __dev_get_by_index(dev_net(bond_dev), ifindex);
	228	if (dev)
	229	primary = dev->name;
	230
180222f0 NA	231	bond_opt_initstr(&newval, primary);
180222f0 NA	232	err = __bond_opt_set(bond, BOND_OPT_PRIMARY, &newval);
0a98a0d1	233	if (err)
	234	return err;
	235	}
8a41ae44	236	if (data[IFLA_BOND_PRIMARY_RESELECT]) {
	237	int primary_reselect =
	238	nla_get_u8(data[IFLA_BOND_PRIMARY_RESELECT]);
	239
388d3a6d NA	240	bond_opt_initval(&newval, primary_reselect);
388d3a6d NA	241	err = __bond_opt_set(bond, BOND_OPT_PRIMARY_RESELECT, &newval);
8a41ae44	242	if (err)
	243	return err;
	244	}
89901972	245	if (data[IFLA_BOND_FAIL_OVER_MAC]) {
	246	int fail_over_mac =
	247	nla_get_u8(data[IFLA_BOND_FAIL_OVER_MAC]);
	248
1df6b6aa NA	249	bond_opt_initval(&newval, fail_over_mac);
1df6b6aa NA	250	err = __bond_opt_set(bond, BOND_OPT_FAIL_OVER_MAC, &newval);
89901972	251	if (err)
	252	return err;
	253	}
f70161c6	254	if (data[IFLA_BOND_XMIT_HASH_POLICY]) {
	255	int xmit_hash_policy =
	256	nla_get_u8(data[IFLA_BOND_XMIT_HASH_POLICY]);
	257
a4b32ce7 NA	258	bond_opt_initval(&newval, xmit_hash_policy);
a4b32ce7 NA	259	err = __bond_opt_set(bond, BOND_OPT_XMIT_HASH, &newval);
f70161c6	260	if (err)
	261	return err;
	262	}
d8838de7	263	if (data[IFLA_BOND_RESEND_IGMP]) {
	264	int resend_igmp =
	265	nla_get_u32(data[IFLA_BOND_RESEND_IGMP]);
	266
	267	err = bond_option_resend_igmp_set(bond, resend_igmp);
	268	if (err)
	269	return err;
	270	}
2c9839c1	271	if (data[IFLA_BOND_NUM_PEER_NOTIF]) {
	272	int num_peer_notif =
	273	nla_get_u8(data[IFLA_BOND_NUM_PEER_NOTIF]);
	274
ef56becb NA	275	bond_opt_initval(&newval, num_peer_notif);
ef56becb NA	276	err = __bond_opt_set(bond, BOND_OPT_NUM_PEER_NOTIF, &newval);
2c9839c1	277	if (err)
	278	return err;
	279	}
1cc0b1e3	280	if (data[IFLA_BOND_ALL_SLAVES_ACTIVE]) {
	281	int all_slaves_active =
	282	nla_get_u8(data[IFLA_BOND_ALL_SLAVES_ACTIVE]);
	283
	284	err = bond_option_all_slaves_active_set(bond,
	285	all_slaves_active);
	286	if (err)
	287	return err;
	288	}
7d101008	289	if (data[IFLA_BOND_MIN_LINKS]) {
	290	int min_links =
	291	nla_get_u32(data[IFLA_BOND_MIN_LINKS]);
	292
633ddc9e NA	293	bond_opt_initval(&newval, min_links);
633ddc9e NA	294	err = __bond_opt_set(bond, BOND_OPT_MINLINKS, &newval);
7d101008	295	if (err)
	296	return err;
	297	}
8d836d09	298	if (data[IFLA_BOND_LP_INTERVAL]) {
	299	int lp_interval =
	300	nla_get_u32(data[IFLA_BOND_LP_INTERVAL]);
	301
	302	err = bond_option_lp_interval_set(bond, lp_interval);
	303	if (err)
	304	return err;
	305	}
c13ab3ff	306	if (data[IFLA_BOND_PACKETS_PER_SLAVE]) {
	307	int packets_per_slave =
	308	nla_get_u32(data[IFLA_BOND_PACKETS_PER_SLAVE]);
	309
aa59d851 NA	310	bond_opt_initval(&newval, packets_per_slave);
aa59d851 NA	311	err = __bond_opt_set(bond, BOND_OPT_PACKETS_PER_SLAVE, &newval);
c13ab3ff	312	if (err)
	313	return err;
	314	}
998e40bb	315	if (data[IFLA_BOND_AD_LACP_RATE]) {
	316	int lacp_rate =
	317	nla_get_u8(data[IFLA_BOND_AD_LACP_RATE]);
	318
d3131de7 NA	319	bond_opt_initval(&newval, lacp_rate);
d3131de7 NA	320	err = __bond_opt_set(bond, BOND_OPT_LACP_RATE, &newval);
998e40bb	321	if (err)
	322	return err;
	323	}
ec029fac	324	if (data[IFLA_BOND_AD_SELECT]) {
	325	int ad_select =
	326	nla_get_u8(data[IFLA_BOND_AD_SELECT]);
	327
9e5f5eeb NA	328	bond_opt_initval(&newval, ad_select);
9e5f5eeb NA	329	err = __bond_opt_set(bond, BOND_OPT_AD_SELECT, &newval);
ec029fac	330	if (err)
	331	return err;
	332	}
90af2311 JP	333	return 0;
	334	}
	335
	336	static int bond_newlink(struct net src_net, struct net_device bond_dev,
	337	struct nlattr tb[], struct nlattr data[])
	338	{
	339	int err;
	340
	341	err = bond_changelink(bond_dev, tb, data);
	342	if (err < 0)
	343	return err;
	344
	345	return register_netdevice(bond_dev);
	346	}
	347
	348	static size_t bond_get_size(const struct net_device *bond_dev)
	349	{
e139862e	350	return nla_total_size(sizeof(u8)) + /* IFLA_BOND_MODE */
eecdaa6e	351	nla_total_size(sizeof(u32)) + /* IFLA_BOND_ACTIVE_SLAVE */
eecdaa6e	352	nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIIMON */
25852e29	353	nla_total_size(sizeof(u32)) + /* IFLA_BOND_UPDELAY */
c7461f9b	354	nla_total_size(sizeof(u32)) + /* IFLA_BOND_DOWNDELAY */
9f53e14e	355	nla_total_size(sizeof(u8)) + /* IFLA_BOND_USE_CARRIER */
06151dbc	356	nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_INTERVAL */
7f28fa10	357	/* IFLA_BOND_ARP_IP_TARGET */
288db0aa	358	nla_total_size(sizeof(struct nlattr)) +
7f28fa10	359	nla_total_size(sizeof(u32)) * BOND_MAX_ARP_TARGETS +
29c49482	360	nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_VALIDATE */
d5c84254	361	nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_ALL_TARGETS */
0a98a0d1	362	nla_total_size(sizeof(u32)) + /* IFLA_BOND_PRIMARY */
8a41ae44	363	nla_total_size(sizeof(u8)) + /* IFLA_BOND_PRIMARY_RESELECT */
89901972	364	nla_total_size(sizeof(u8)) + /* IFLA_BOND_FAIL_OVER_MAC */
f70161c6	365	nla_total_size(sizeof(u8)) + /* IFLA_BOND_XMIT_HASH_POLICY */
d8838de7	366	nla_total_size(sizeof(u32)) + /* IFLA_BOND_RESEND_IGMP */
2c9839c1	367	nla_total_size(sizeof(u8)) + /* IFLA_BOND_NUM_PEER_NOTIF */
1cc0b1e3	368	nla_total_size(sizeof(u8)) + /* IFLA_BOND_ALL_SLAVES_ACTIVE */
7d101008	369	nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIN_LINKS */
8d836d09	370	nla_total_size(sizeof(u32)) + /* IFLA_BOND_LP_INTERVAL */
c13ab3ff	371	nla_total_size(sizeof(u32)) + /* IFLA_BOND_PACKETS_PER_SLAVE */
998e40bb	372	nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_LACP_RATE */
ec029fac	373	nla_total_size(sizeof(u8)) + /* IFLA_BOND_AD_SELECT */
4ee7ac75	374	nla_total_size(sizeof(struct nlattr)) + /* IFLA_BOND_AD_INFO */
	375	nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_AGGREGATOR */
	376	nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_NUM_PORTS */
	377	nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_ACTOR_KEY */
	378	nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_INFO_PARTNER_KEY*/
	379	nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_INFO_PARTNER_MAC*/
eecdaa6e	380	0;
90af2311 JP	381	}
	382
	383	static int bond_fill_info(struct sk_buff *skb,
	384	const struct net_device *bond_dev)
	385	{
	386	struct bonding *bond = netdev_priv(bond_dev);
ec76aa49	387	struct net_device *slave_dev = bond_option_active_slave_get(bond);
7f28fa10	388	struct nlattr *targets;
c13ab3ff	389	unsigned int packets_per_slave;
7f28fa10	390	int i, targets_added;
90af2311	391
eecdaa6e	392	if (nla_put_u8(skb, IFLA_BOND_MODE, bond->params.mode))
90af2311	393	goto nla_put_failure;
eecdaa6e	394
	395	if (slave_dev &&
	396	nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, slave_dev->ifindex))
	397	goto nla_put_failure;
	398
	399	if (nla_put_u32(skb, IFLA_BOND_MIIMON, bond->params.miimon))
	400	goto nla_put_failure;
	401
25852e29	402	if (nla_put_u32(skb, IFLA_BOND_UPDELAY,
	403	bond->params.updelay * bond->params.miimon))
	404	goto nla_put_failure;
	405
c7461f9b	406	if (nla_put_u32(skb, IFLA_BOND_DOWNDELAY,
	407	bond->params.downdelay * bond->params.miimon))
	408	goto nla_put_failure;
	409
9f53e14e	410	if (nla_put_u8(skb, IFLA_BOND_USE_CARRIER, bond->params.use_carrier))
	411	goto nla_put_failure;
	412
06151dbc	413	if (nla_put_u32(skb, IFLA_BOND_ARP_INTERVAL, bond->params.arp_interval))
	414	goto nla_put_failure;
	415
7f28fa10	416	targets = nla_nest_start(skb, IFLA_BOND_ARP_IP_TARGET);
	417	if (!targets)
	418	goto nla_put_failure;
	419
	420	targets_added = 0;
	421	for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) {
	422	if (bond->params.arp_targets[i]) {
e7ef941d	423	nla_put_be32(skb, i, bond->params.arp_targets[i]);
7f28fa10	424	targets_added = 1;
	425	}
	426	}
	427
	428	if (targets_added)
	429	nla_nest_end(skb, targets);
	430	else
	431	nla_nest_cancel(skb, targets);
	432
29c49482	433	if (nla_put_u32(skb, IFLA_BOND_ARP_VALIDATE, bond->params.arp_validate))
	434	goto nla_put_failure;
	435
d5c84254	436	if (nla_put_u32(skb, IFLA_BOND_ARP_ALL_TARGETS,
	437	bond->params.arp_all_targets))
	438	goto nla_put_failure;
	439
0a98a0d1	440	if (bond->primary_slave &&
	441	nla_put_u32(skb, IFLA_BOND_PRIMARY,
	442	bond->primary_slave->dev->ifindex))
	443	goto nla_put_failure;
	444
8a41ae44	445	if (nla_put_u8(skb, IFLA_BOND_PRIMARY_RESELECT,
	446	bond->params.primary_reselect))
	447	goto nla_put_failure;
	448
89901972	449	if (nla_put_u8(skb, IFLA_BOND_FAIL_OVER_MAC,
	450	bond->params.fail_over_mac))
	451	goto nla_put_failure;
	452
f70161c6	453	if (nla_put_u8(skb, IFLA_BOND_XMIT_HASH_POLICY,
	454	bond->params.xmit_policy))
	455	goto nla_put_failure;
	456
d8838de7	457	if (nla_put_u32(skb, IFLA_BOND_RESEND_IGMP,
	458	bond->params.resend_igmp))
	459	goto nla_put_failure;
	460
2c9839c1	461	if (nla_put_u8(skb, IFLA_BOND_NUM_PEER_NOTIF,
	462	bond->params.num_peer_notif))
	463	goto nla_put_failure;
	464
1cc0b1e3	465	if (nla_put_u8(skb, IFLA_BOND_ALL_SLAVES_ACTIVE,
	466	bond->params.all_slaves_active))
	467	goto nla_put_failure;
	468
7d101008	469	if (nla_put_u32(skb, IFLA_BOND_MIN_LINKS,
	470	bond->params.min_links))
	471	goto nla_put_failure;
	472
8d836d09	473	if (nla_put_u32(skb, IFLA_BOND_LP_INTERVAL,
	474	bond->params.lp_interval))
	475	goto nla_put_failure;
	476
c13ab3ff	477	packets_per_slave = bond->params.packets_per_slave;
c13ab3ff	478	if (nla_put_u32(skb, IFLA_BOND_PACKETS_PER_SLAVE,
	479	packets_per_slave))
	480	goto nla_put_failure;
	481
998e40bb	482	if (nla_put_u8(skb, IFLA_BOND_AD_LACP_RATE,
	483	bond->params.lacp_fast))
	484	goto nla_put_failure;
	485
ec029fac	486	if (nla_put_u8(skb, IFLA_BOND_AD_SELECT,
	487	bond->params.ad_select))
	488	goto nla_put_failure;
	489
4ee7ac75	490	if (bond->params.mode == BOND_MODE_8023AD) {
	491	struct ad_info info;
	492
	493	if (!bond_3ad_get_active_agg_info(bond, &info)) {
	494	struct nlattr *nest;
	495
	496	nest = nla_nest_start(skb, IFLA_BOND_AD_INFO);
	497	if (!nest)
	498	goto nla_put_failure;
	499
	500	if (nla_put_u16(skb, IFLA_BOND_AD_INFO_AGGREGATOR,
	501	info.aggregator_id))
	502	goto nla_put_failure;
	503	if (nla_put_u16(skb, IFLA_BOND_AD_INFO_NUM_PORTS,
	504	info.ports))
	505	goto nla_put_failure;
	506	if (nla_put_u16(skb, IFLA_BOND_AD_INFO_ACTOR_KEY,
	507	info.actor_key))
	508	goto nla_put_failure;
	509	if (nla_put_u16(skb, IFLA_BOND_AD_INFO_PARTNER_KEY,
	510	info.partner_key))
	511	goto nla_put_failure;
	512	if (nla_put(skb, IFLA_BOND_AD_INFO_PARTNER_MAC,
	513	sizeof(info.partner_system),
	514	&info.partner_system))
	515	goto nla_put_failure;
	516
	517	nla_nest_end(skb, nest);
	518	}
	519	}
	520
90af2311 JP	521	return 0;
	522
	523	nla_put_failure:
	524	return -EMSGSIZE;
	525	}
	526
0a2a78c4 JP	527	struct rtnl_link_ops bond_link_ops __read_mostly = {
	528	.kind = "bond",
	529	.priv_size = sizeof(struct bonding),
	530	.setup = bond_setup,
90af2311 JP	531	.maxtype = IFLA_BOND_MAX,
90af2311 JP	532	.policy = bond_policy,
0a2a78c4	533	.validate = bond_validate,
90af2311 JP	534	.newlink = bond_newlink,
	535	.changelink = bond_changelink,
	536	.get_size = bond_get_size,
	537	.fill_info = bond_fill_info,
0a2a78c4 JP	538	.get_num_tx_queues = bond_get_num_tx_queues,
	539	.get_num_rx_queues = bond_get_num_tx_queues, /* Use the same number
	540	as for TX queues */
	541	};
	542
	543	int __init bond_netlink_init(void)
	544	{
	545	return rtnl_link_register(&bond_link_ops);
	546	}
	547
a729e83a	548	void bond_netlink_fini(void)
0a2a78c4 JP	549	{
	550	rtnl_link_unregister(&bond_link_ops);
	551	}
	552
	553	MODULE_ALIAS_RTNL_LINK("bond");