diff options
Diffstat (limited to 'drivers/net/bonding/bond_netlink.c')
| -rw-r--r-- | drivers/net/bonding/bond_netlink.c | 708 |
1 files changed, 708 insertions, 0 deletions
diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c new file mode 100644 index 000000000..fbcd8a752 --- /dev/null +++ b/drivers/net/bonding/bond_netlink.c @@ -0,0 +1,708 @@ +/* + * 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. + */ + +#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 <net/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 */ + nla_total_size(sizeof(u8)) + /* IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE */ + nla_total_size(sizeof(u16)) + /* IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE */ + 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 (BOND_MODE(slave->bond) == BOND_MODE_8023AD) { + const struct aggregator *agg; + const struct port *ad_port; + + ad_port = &SLAVE_AD_INFO(slave)->port; + 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; + if (nla_put_u8(skb, + IFLA_BOND_SLAVE_AD_ACTOR_OPER_PORT_STATE, + ad_port->actor_oper_port_state)) + goto nla_put_failure; + if (nla_put_u16(skb, + IFLA_BOND_SLAVE_AD_PARTNER_OPER_PORT_STATE, + ad_port->partner_oper.port_state)) + 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 }, + [IFLA_BOND_AD_ACTOR_SYS_PRIO] = { .type = NLA_U16 }, + [IFLA_BOND_AD_USER_PORT_KEY] = { .type = NLA_U16 }, + [IFLA_BOND_AD_ACTOR_SYSTEM] = { .type = NLA_BINARY, + .len = ETH_ALEN }, + [IFLA_BOND_TLB_DYNAMIC_LB] = { .type = NLA_U8 }, +}; + +static const struct nla_policy bond_slave_policy[IFLA_BOND_SLAVE_MAX + 1] = { + [IFLA_BOND_SLAVE_QUEUE_ID] = { .type = NLA_U16 }, +}; + +static int bond_validate(struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) +{ + 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_slave_changelink(struct net_device *bond_dev, + struct net_device *slave_dev, + struct nlattr *tb[], struct nlattr *data[], + struct netlink_ext_ack *extack) +{ + struct bonding *bond = netdev_priv(bond_dev); + struct bond_opt_value newval; + int err; + + if (!data) + return 0; + + if (data[IFLA_BOND_SLAVE_QUEUE_ID]) { + u16 queue_id = nla_get_u16(data[IFLA_BOND_SLAVE_QUEUE_ID]); + char queue_id_str[IFNAMSIZ + 7]; + + /* queue_id option setting expects slave_name:queue_id */ + snprintf(queue_id_str, sizeof(queue_id_str), "%s:%u\n", + slave_dev->name, queue_id); + bond_opt_initstr(&newval, queue_id_str); + err = __bond_opt_set(bond, BOND_OPT_QUEUE_ID, &newval); + if (err) + return err; + } + + return 0; +} + +static int bond_changelink(struct net_device *bond_dev, struct nlattr *tb[], + struct nlattr *data[], + struct netlink_ext_ack *extack) +{ + 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) { + netdev_err(bond->dev, "ARP monitoring cannot be used with MII monitoring\n"); + 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; + + if (nla_len(attr) < sizeof(target)) + return -EINVAL; + + 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) + netdev_warn(bond->dev, "Removing last arp target with arp_interval on\n"); + 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) { + netdev_err(bond->dev, "ARP validating cannot be used with MII monitoring\n"); + 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; + } + if (data[IFLA_BOND_AD_ACTOR_SYS_PRIO]) { + int actor_sys_prio = + nla_get_u16(data[IFLA_BOND_AD_ACTOR_SYS_PRIO]); + + bond_opt_initval(&newval, actor_sys_prio); + err = __bond_opt_set(bond, BOND_OPT_AD_ACTOR_SYS_PRIO, &newval); + if (err) + return err; + } + if (data[IFLA_BOND_AD_USER_PORT_KEY]) { + int port_key = + nla_get_u16(data[IFLA_BOND_AD_USER_PORT_KEY]); + + bond_opt_initval(&newval, port_key); + err = __bond_opt_set(bond, BOND_OPT_AD_USER_PORT_KEY, &newval); + if (err) + return err; + } + if (data[IFLA_BOND_AD_ACTOR_SYSTEM]) { + if (nla_len(data[IFLA_BOND_AD_ACTOR_SYSTEM]) != ETH_ALEN) + return -EINVAL; + + bond_opt_initval(&newval, + nla_get_u64(data[IFLA_BOND_AD_ACTOR_SYSTEM])); + err = __bond_opt_set(bond, BOND_OPT_AD_ACTOR_SYSTEM, &newval); + if (err) + return err; + } + if (data[IFLA_BOND_TLB_DYNAMIC_LB]) { + int dynamic_lb = nla_get_u8(data[IFLA_BOND_TLB_DYNAMIC_LB]); + + bond_opt_initval(&newval, dynamic_lb); + err = __bond_opt_set(bond, BOND_OPT_TLB_DYNAMIC_LB, &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[], + struct netlink_ext_ack *extack) +{ + int err; + + err = bond_changelink(bond_dev, tb, data, extack); + if (err < 0) + return err; + + err = register_netdevice(bond_dev); + if (!err) { + struct bonding *bond = netdev_priv(bond_dev); + + netif_carrier_off(bond_dev); + bond_work_init_all(bond); + } + + return err; +} + +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*/ + nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_ACTOR_SYS_PRIO */ + nla_total_size(sizeof(u16)) + /* IFLA_BOND_AD_USER_PORT_KEY */ + nla_total_size(ETH_ALEN) + /* IFLA_BOND_AD_ACTOR_SYSTEM */ + nla_total_size(sizeof(u8)) + /* IFLA_BOND_TLB_DYNAMIC_LB */ + 0; +} + +static int bond_option_active_slave_get_ifindex(struct bonding *bond) +{ + const struct net_device *slave; + int ifindex; + + rcu_read_lock(); + slave = bond_option_active_slave_get_rcu(bond); + ifindex = slave ? slave->ifindex : 0; + rcu_read_unlock(); + return ifindex; +} + +static int bond_fill_info(struct sk_buff *skb, + const struct net_device *bond_dev) +{ + struct bonding *bond = netdev_priv(bond_dev); + unsigned int packets_per_slave; + int ifindex, i, targets_added; + struct nlattr *targets; + struct slave *primary; + + if (nla_put_u8(skb, IFLA_BOND_MODE, BOND_MODE(bond))) + goto nla_put_failure; + + ifindex = bond_option_active_slave_get_ifindex(bond); + if (ifindex && nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, 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]) { + if (nla_put_be32(skb, i, bond->params.arp_targets[i])) + goto nla_put_failure; + 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; + + primary = rtnl_dereference(bond->primary_slave); + if (primary && + nla_put_u32(skb, IFLA_BOND_PRIMARY, primary->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 (nla_put_u8(skb, IFLA_BOND_TLB_DYNAMIC_LB, + bond->params.tlb_dynamic_lb)) + goto nla_put_failure; + + if (BOND_MODE(bond) == BOND_MODE_8023AD) { + struct ad_info info; + + if (capable(CAP_NET_ADMIN)) { + if (nla_put_u16(skb, IFLA_BOND_AD_ACTOR_SYS_PRIO, + bond->params.ad_actor_sys_prio)) + goto nla_put_failure; + + if (nla_put_u16(skb, IFLA_BOND_AD_USER_PORT_KEY, + bond->params.ad_user_port_key)) + goto nla_put_failure; + + if (nla_put(skb, IFLA_BOND_AD_ACTOR_SYSTEM, + ETH_ALEN, &bond->params.ad_actor_system)) + goto nla_put_failure; + } + 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 */ + .slave_maxtype = IFLA_BOND_SLAVE_MAX, + .slave_policy = bond_slave_policy, + .slave_changelink = bond_slave_changelink, + .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"); |