1 /*
2  * drivers/net/bond/bond_netlink.c - Netlink interface for bonding
3  * Copyright (c) 2013 Jiri Pirko <jiri@resnulli.us>
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  */
10 
11 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
12 
13 #include <linux/module.h>
14 #include <linux/errno.h>
15 #include <linux/netdevice.h>
16 #include <linux/etherdevice.h>
17 #include <linux/if_link.h>
18 #include <linux/if_ether.h>
19 #include <net/netlink.h>
20 #include <net/rtnetlink.h>
21 #include "bonding.h"
22 
23 static int bond_validate(struct nlattr *tb[], struct nlattr *data[])
24 {
25 	if (tb[IFLA_ADDRESS]) {
26 		if (nla_len(tb[IFLA_ADDRESS]) != ETH_ALEN)
27 			return -EINVAL;
28 		if (!is_valid_ether_addr(nla_data(tb[IFLA_ADDRESS])))
29 			return -EADDRNOTAVAIL;
30 	}
31 	return 0;
32 }
33 
34 struct rtnl_link_ops bond_link_ops __read_mostly = {
35 	.kind			= "bond",
36 	.priv_size		= sizeof(struct bonding),
37 	.setup			= bond_setup,
38 	.validate		= bond_validate,
39 	.get_num_tx_queues	= bond_get_num_tx_queues,
40 	.get_num_rx_queues	= bond_get_num_tx_queues, /* Use the same number
41 							     as for TX queues */
42 };
43 
44 int __init bond_netlink_init(void)
45 {
46 	return rtnl_link_register(&bond_link_ops);
47 }
48 
49 void __exit bond_netlink_fini(void)
50 {
51 	rtnl_link_unregister(&bond_link_ops);
52 }
53 
54 MODULE_ALIAS_RTNL_LINK("bond");
55