| /* |
| * 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 size_t bond_get_slave_size(const struct net_device *bond_dev, |
| const struct net_device *slave_dev) |
| { |
| return nla_total_size(sizeof(u8)) + /* IFLA_BOND_SLAVE_STATE */ |
| nla_total_size(sizeof(u8)) + /* IFLA_BOND_SLAVE_MII_STATUS */ |
| nla_total_size(sizeof(u32)) + /* IFLA_BOND_SLAVE_LINK_FAILURE_COUNT */ |
| nla_total_size(MAX_ADDR_LEN) + /* IFLA_BOND_SLAVE_PERM_HWADDR */ |
| nla_total_size(sizeof(u16)) + /* IFLA_BOND_SLAVE_QUEUE_ID */ |
| nla_total_size(sizeof(u16)) + /* IFLA_BOND_SLAVE_AD_AGGREGATOR_ID */ |
| 0; |
| } |
| |
| static int bond_fill_slave_info(struct sk_buff *skb, |
| const struct net_device *bond_dev, |
| const struct net_device *slave_dev) |
| { |
| struct slave *slave = bond_slave_get_rtnl(slave_dev); |
| |
| if (nla_put_u8(skb, IFLA_BOND_SLAVE_STATE, bond_slave_state(slave))) |
| goto nla_put_failure; |
| |
| if (nla_put_u8(skb, IFLA_BOND_SLAVE_MII_STATUS, slave->link)) |
| goto nla_put_failure; |
| |
| if (nla_put_u32(skb, IFLA_BOND_SLAVE_LINK_FAILURE_COUNT, |
| slave->link_failure_count)) |
| goto nla_put_failure; |
| |
| if (nla_put(skb, IFLA_BOND_SLAVE_PERM_HWADDR, |
| slave_dev->addr_len, slave->perm_hwaddr)) |
| goto nla_put_failure; |
| |
| if (nla_put_u16(skb, IFLA_BOND_SLAVE_QUEUE_ID, slave->queue_id)) |
| goto nla_put_failure; |
| |
| if (slave->bond->params.mode == BOND_MODE_8023AD) { |
| const struct aggregator *agg; |
| |
| agg = SLAVE_AD_INFO(slave).port.aggregator; |
| if (agg) |
| if (nla_put_u16(skb, IFLA_BOND_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; |
| char *active_slave = ""; |
| |
| if (ifindex != 0) { |
| slave_dev = __dev_get_by_index(dev_net(bond_dev), |
| ifindex); |
| if (!slave_dev) |
| return -ENODEV; |
| active_slave = slave_dev->name; |
| } |
| bond_opt_initstr(&newval, active_slave); |
| err = __bond_opt_set(bond, BOND_OPT_ACTIVE_SLAVE, &newval); |
| 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, (__force u64)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]); |
| |
| bond_opt_initval(&newval, resend_igmp); |
| err = __bond_opt_set(bond, BOND_OPT_RESEND_IGMP, &newval); |
| 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]); |
| |
| bond_opt_initval(&newval, all_slaves_active); |
| err = __bond_opt_set(bond, BOND_OPT_ALL_SLAVES_ACTIVE, &newval); |
| 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]); |
| |
| bond_opt_initval(&newval, lp_interval); |
| err = __bond_opt_set(bond, BOND_OPT_LP_INTERVAL, &newval); |
| 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 */ |
| .get_slave_size = bond_get_slave_size, |
| .fill_slave_info = bond_fill_slave_info, |
| }; |
| |
| 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"); |
