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