[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 },
};

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;
	}
	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 */
		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;

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