[deliverable/linux.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 },
	[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 },
};

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;
	}
	if (data[IFLA_BOND_XMIT_HASH_POLICY]) {
		int xmit_hash_policy =
			nla_get_u8(data[IFLA_BOND_XMIT_HASH_POLICY]);

		err = bond_option_xmit_hash_policy_set(bond, xmit_hash_policy);
		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]);

		err = bond_option_num_peer_notif_set(bond, num_peer_notif);
		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]);

		err = bond_option_min_links_set(bond, min_links);
		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 */
		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 */
		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;

	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;

	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 },
f70161c6	38	[IFLA_BOND_XMIT_HASH_POLICY] = { .type = NLA_U8 },
d8838de7	39	[IFLA_BOND_RESEND_IGMP] = { .type = NLA_U32 },
2c9839c1	40	[IFLA_BOND_NUM_PEER_NOTIF] = { .type = NLA_U8 },
1cc0b1e3	41	[IFLA_BOND_ALL_SLAVES_ACTIVE] = { .type = NLA_U8 },
7d101008	42	[IFLA_BOND_MIN_LINKS] = { .type = NLA_U32 },
90af2311 JP	43	};
90af2311 JP	44
0a2a78c4 JP	45	static int bond_validate(struct nlattr tb[], struct nlattr data[])
	46	{
	47	if (tb[IFLA_ADDRESS]) {
	48	if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN)
	49	return -EINVAL;
	50	if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS])))
	51	return -EADDRNOTAVAIL;
	52	}
	53	return 0;
	54	}
	55
90af2311 JP	56	static int bond_changelink(struct net_device *bond_dev,
	57	struct nlattr tb[], struct nlattr data[])
	58	{
	59	struct bonding *bond = netdev_priv(bond_dev);
06151dbc	60	int miimon = 0;
90af2311 JP	61	int err;
90af2311 JP	62
eecdaa6e	63	if (!data)
	64	return 0;
	65
	66	if (data[IFLA_BOND_MODE]) {
90af2311 JP	67	int mode = nla_get_u8(data[IFLA_BOND_MODE]);
	68
	69	err = bond_option_mode_set(bond, mode);
	70	if (err)
	71	return err;
	72	}
eecdaa6e	73	if (data[IFLA_BOND_ACTIVE_SLAVE]) {
ec76aa49 JP	74	int ifindex = nla_get_u32(data[IFLA_BOND_ACTIVE_SLAVE]);
	75	struct net_device *slave_dev;
	76
	77	if (ifindex == 0) {
	78	slave_dev = NULL;
	79	} else {
	80	slave_dev = __dev_get_by_index(dev_net(bond_dev),
	81	ifindex);
	82	if (!slave_dev)
	83	return -ENODEV;
	84	}
	85	err = bond_option_active_slave_set(bond, slave_dev);
	86	if (err)
	87	return err;
	88	}
eecdaa6e	89	if (data[IFLA_BOND_MIIMON]) {
06151dbc	90	miimon = nla_get_u32(data[IFLA_BOND_MIIMON]);
eecdaa6e	91
	92	err = bond_option_miimon_set(bond, miimon);
	93	if (err)
	94	return err;
	95	}
25852e29	96	if (data[IFLA_BOND_UPDELAY]) {
	97	int updelay = nla_get_u32(data[IFLA_BOND_UPDELAY]);
	98
	99	err = bond_option_updelay_set(bond, updelay);
	100	if (err)
	101	return err;
	102	}
c7461f9b	103	if (data[IFLA_BOND_DOWNDELAY]) {
	104	int downdelay = nla_get_u32(data[IFLA_BOND_DOWNDELAY]);
	105
	106	err = bond_option_downdelay_set(bond, downdelay);
	107	if (err)
	108	return err;
	109	}
9f53e14e	110	if (data[IFLA_BOND_USE_CARRIER]) {
	111	int use_carrier = nla_get_u8(data[IFLA_BOND_USE_CARRIER]);
	112
	113	err = bond_option_use_carrier_set(bond, use_carrier);
	114	if (err)
	115	return err;
	116	}
06151dbc	117	if (data[IFLA_BOND_ARP_INTERVAL]) {
	118	int arp_interval = nla_get_u32(data[IFLA_BOND_ARP_INTERVAL]);
	119
	120	if (arp_interval && miimon) {
	121	pr_err("%s: ARP monitoring cannot be used with MII monitoring.\n",
	122	bond->dev->name);
	123	return -EINVAL;
	124	}
	125
	126	err = bond_option_arp_interval_set(bond, arp_interval);
	127	if (err)
	128	return err;
	129	}
7f28fa10	130	if (data[IFLA_BOND_ARP_IP_TARGET]) {
	131	__be32 targets[BOND_MAX_ARP_TARGETS] = { 0, };
	132	struct nlattr *attr;
	133	int i = 0, rem;
	134
	135	nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) {
e7ef941d	136	__be32 target = nla_get_be32(attr);
7f28fa10	137	targets[i++] = target;
	138	}
	139
	140	err = bond_option_arp_ip_targets_set(bond, targets, i);
	141	if (err)
	142	return err;
	143	}
29c49482	144	if (data[IFLA_BOND_ARP_VALIDATE]) {
	145	int arp_validate = nla_get_u32(data[IFLA_BOND_ARP_VALIDATE]);
	146
	147	if (arp_validate && miimon) {
	148	pr_err("%s: ARP validating cannot be used with MII monitoring.\n",
	149	bond->dev->name);
	150	return -EINVAL;
	151	}
	152
	153	err = bond_option_arp_validate_set(bond, arp_validate);
	154	if (err)
	155	return err;
	156	}
d5c84254	157	if (data[IFLA_BOND_ARP_ALL_TARGETS]) {
	158	int arp_all_targets =
	159	nla_get_u32(data[IFLA_BOND_ARP_ALL_TARGETS]);
	160
	161	err = bond_option_arp_all_targets_set(bond, arp_all_targets);
	162	if (err)
	163	return err;
	164	}
0a98a0d1	165	if (data[IFLA_BOND_PRIMARY]) {
	166	int ifindex = nla_get_u32(data[IFLA_BOND_PRIMARY]);
	167	struct net_device *dev;
	168	char *primary = "";
	169
	170	dev = __dev_get_by_index(dev_net(bond_dev), ifindex);
	171	if (dev)
	172	primary = dev->name;
	173
	174	err = bond_option_primary_set(bond, primary);
	175	if (err)
	176	return err;
	177	}
8a41ae44	178	if (data[IFLA_BOND_PRIMARY_RESELECT]) {
	179	int primary_reselect =
	180	nla_get_u8(data[IFLA_BOND_PRIMARY_RESELECT]);
	181
	182	err = bond_option_primary_reselect_set(bond, primary_reselect);
	183	if (err)
	184	return err;
	185	}
89901972	186	if (data[IFLA_BOND_FAIL_OVER_MAC]) {
	187	int fail_over_mac =
	188	nla_get_u8(data[IFLA_BOND_FAIL_OVER_MAC]);
	189
	190	err = bond_option_fail_over_mac_set(bond, fail_over_mac);
	191	if (err)
	192	return err;
	193	}
f70161c6	194	if (data[IFLA_BOND_XMIT_HASH_POLICY]) {
	195	int xmit_hash_policy =
	196	nla_get_u8(data[IFLA_BOND_XMIT_HASH_POLICY]);
	197
	198	err = bond_option_xmit_hash_policy_set(bond, xmit_hash_policy);
	199	if (err)
	200	return err;
	201	}
d8838de7	202	if (data[IFLA_BOND_RESEND_IGMP]) {
	203	int resend_igmp =
	204	nla_get_u32(data[IFLA_BOND_RESEND_IGMP]);
	205
	206	err = bond_option_resend_igmp_set(bond, resend_igmp);
	207	if (err)
	208	return err;
	209	}
2c9839c1	210	if (data[IFLA_BOND_NUM_PEER_NOTIF]) {
	211	int num_peer_notif =
	212	nla_get_u8(data[IFLA_BOND_NUM_PEER_NOTIF]);
	213
	214	err = bond_option_num_peer_notif_set(bond, num_peer_notif);
	215	if (err)
	216	return err;
	217	}
1cc0b1e3	218	if (data[IFLA_BOND_ALL_SLAVES_ACTIVE]) {
	219	int all_slaves_active =
	220	nla_get_u8(data[IFLA_BOND_ALL_SLAVES_ACTIVE]);
	221
	222	err = bond_option_all_slaves_active_set(bond,
	223	all_slaves_active);
	224	if (err)
	225	return err;
	226	}
7d101008	227	if (data[IFLA_BOND_MIN_LINKS]) {
	228	int min_links =
	229	nla_get_u32(data[IFLA_BOND_MIN_LINKS]);
	230
	231	err = bond_option_min_links_set(bond, min_links);
	232	if (err)
	233	return err;
	234	}
90af2311 JP	235	return 0;
	236	}
	237
	238	static int bond_newlink(struct net src_net, struct net_device bond_dev,
	239	struct nlattr tb[], struct nlattr data[])
	240	{
	241	int err;
	242
	243	err = bond_changelink(bond_dev, tb, data);
	244	if (err < 0)
	245	return err;
	246
	247	return register_netdevice(bond_dev);
	248	}
	249
	250	static size_t bond_get_size(const struct net_device *bond_dev)
	251	{
e139862e	252	return nla_total_size(sizeof(u8)) + /* IFLA_BOND_MODE */
eecdaa6e	253	nla_total_size(sizeof(u32)) + /* IFLA_BOND_ACTIVE_SLAVE */
eecdaa6e	254	nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIIMON */
25852e29	255	nla_total_size(sizeof(u32)) + /* IFLA_BOND_UPDELAY */
c7461f9b	256	nla_total_size(sizeof(u32)) + /* IFLA_BOND_DOWNDELAY */
9f53e14e	257	nla_total_size(sizeof(u8)) + /* IFLA_BOND_USE_CARRIER */
06151dbc	258	nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_INTERVAL */
7f28fa10	259	/* IFLA_BOND_ARP_IP_TARGET */
7f28fa10	260	nla_total_size(sizeof(u32)) * BOND_MAX_ARP_TARGETS +
29c49482	261	nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_VALIDATE */
d5c84254	262	nla_total_size(sizeof(u32)) + /* IFLA_BOND_ARP_ALL_TARGETS */
0a98a0d1	263	nla_total_size(sizeof(u32)) + /* IFLA_BOND_PRIMARY */
8a41ae44	264	nla_total_size(sizeof(u8)) + /* IFLA_BOND_PRIMARY_RESELECT */
89901972	265	nla_total_size(sizeof(u8)) + /* IFLA_BOND_FAIL_OVER_MAC */
f70161c6	266	nla_total_size(sizeof(u8)) + /* IFLA_BOND_XMIT_HASH_POLICY */
d8838de7	267	nla_total_size(sizeof(u32)) + /* IFLA_BOND_RESEND_IGMP */
2c9839c1	268	nla_total_size(sizeof(u8)) + /* IFLA_BOND_NUM_PEER_NOTIF */
1cc0b1e3	269	nla_total_size(sizeof(u8)) + /* IFLA_BOND_ALL_SLAVES_ACTIVE */
7d101008	270	nla_total_size(sizeof(u32)) + /* IFLA_BOND_MIN_LINKS */
eecdaa6e	271	0;
90af2311 JP	272	}
	273
	274	static int bond_fill_info(struct sk_buff *skb,
	275	const struct net_device *bond_dev)
	276	{
	277	struct bonding *bond = netdev_priv(bond_dev);
ec76aa49	278	struct net_device *slave_dev = bond_option_active_slave_get(bond);
7f28fa10	279	struct nlattr *targets;
7f28fa10	280	int i, targets_added;
90af2311	281
eecdaa6e	282	if (nla_put_u8(skb, IFLA_BOND_MODE, bond->params.mode))
90af2311	283	goto nla_put_failure;
eecdaa6e	284
	285	if (slave_dev &&
	286	nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, slave_dev->ifindex))
	287	goto nla_put_failure;
	288
	289	if (nla_put_u32(skb, IFLA_BOND_MIIMON, bond->params.miimon))
	290	goto nla_put_failure;
	291
25852e29	292	if (nla_put_u32(skb, IFLA_BOND_UPDELAY,
	293	bond->params.updelay * bond->params.miimon))
	294	goto nla_put_failure;
	295
c7461f9b	296	if (nla_put_u32(skb, IFLA_BOND_DOWNDELAY,
	297	bond->params.downdelay * bond->params.miimon))
	298	goto nla_put_failure;
	299
9f53e14e	300	if (nla_put_u8(skb, IFLA_BOND_USE_CARRIER, bond->params.use_carrier))
	301	goto nla_put_failure;
	302
06151dbc	303	if (nla_put_u32(skb, IFLA_BOND_ARP_INTERVAL, bond->params.arp_interval))
	304	goto nla_put_failure;
	305
7f28fa10	306	targets = nla_nest_start(skb, IFLA_BOND_ARP_IP_TARGET);
	307	if (!targets)
	308	goto nla_put_failure;
	309
	310	targets_added = 0;
	311	for (i = 0; i < BOND_MAX_ARP_TARGETS; i++) {
	312	if (bond->params.arp_targets[i]) {
e7ef941d	313	nla_put_be32(skb, i, bond->params.arp_targets[i]);
7f28fa10	314	targets_added = 1;
	315	}
	316	}
	317
	318	if (targets_added)
	319	nla_nest_end(skb, targets);
	320	else
	321	nla_nest_cancel(skb, targets);
	322
29c49482	323	if (nla_put_u32(skb, IFLA_BOND_ARP_VALIDATE, bond->params.arp_validate))
	324	goto nla_put_failure;
	325
d5c84254	326	if (nla_put_u32(skb, IFLA_BOND_ARP_ALL_TARGETS,
	327	bond->params.arp_all_targets))
	328	goto nla_put_failure;
	329
0a98a0d1	330	if (bond->primary_slave &&
	331	nla_put_u32(skb, IFLA_BOND_PRIMARY,
	332	bond->primary_slave->dev->ifindex))
	333	goto nla_put_failure;
	334
8a41ae44	335	if (nla_put_u8(skb, IFLA_BOND_PRIMARY_RESELECT,
	336	bond->params.primary_reselect))
	337	goto nla_put_failure;
	338
89901972	339	if (nla_put_u8(skb, IFLA_BOND_FAIL_OVER_MAC,
	340	bond->params.fail_over_mac))
	341	goto nla_put_failure;
	342
f70161c6	343	if (nla_put_u8(skb, IFLA_BOND_XMIT_HASH_POLICY,
	344	bond->params.xmit_policy))
	345	goto nla_put_failure;
	346
d8838de7	347	if (nla_put_u32(skb, IFLA_BOND_RESEND_IGMP,
	348	bond->params.resend_igmp))
	349	goto nla_put_failure;
	350
2c9839c1	351	if (nla_put_u8(skb, IFLA_BOND_NUM_PEER_NOTIF,
	352	bond->params.num_peer_notif))
	353	goto nla_put_failure;
	354
1cc0b1e3	355	if (nla_put_u8(skb, IFLA_BOND_ALL_SLAVES_ACTIVE,
	356	bond->params.all_slaves_active))
	357	goto nla_put_failure;
	358
7d101008	359	if (nla_put_u32(skb, IFLA_BOND_MIN_LINKS,
	360	bond->params.min_links))
	361	goto nla_put_failure;
	362
90af2311 JP	363	return 0;
	364
	365	nla_put_failure:
	366	return -EMSGSIZE;
	367	}
	368
0a2a78c4 JP	369	struct rtnl_link_ops bond_link_ops __read_mostly = {
	370	.kind = "bond",
	371	.priv_size = sizeof(struct bonding),
	372	.setup = bond_setup,
90af2311 JP	373	.maxtype = IFLA_BOND_MAX,
90af2311 JP	374	.policy = bond_policy,
0a2a78c4	375	.validate = bond_validate,
90af2311 JP	376	.newlink = bond_newlink,
	377	.changelink = bond_changelink,
	378	.get_size = bond_get_size,
	379	.fill_info = bond_fill_info,
0a2a78c4 JP	380	.get_num_tx_queues = bond_get_num_tx_queues,
	381	.get_num_rx_queues = bond_get_num_tx_queues, /* Use the same number
	382	as for TX queues */
	383	};
	384
	385	int __init bond_netlink_init(void)
	386	{
	387	return rtnl_link_register(&bond_link_ops);
	388	}
	389
a729e83a	390	void bond_netlink_fini(void)
0a2a78c4 JP	391	{
	392	rtnl_link_unregister(&bond_link_ops);
	393	}
	394
	395	MODULE_ALIAS_RTNL_LINK("bond");