Orange Pi5 kernel

// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * 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>
 */
 
#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 },
<------>[IFLA_BOND_PEER_NOTIF_DELAY]    = { .type = NLA_U32 },
};
 
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_PEER_NOTIF_DELAY]) {
<------><------>int delay = nla_get_u32(data[IFLA_BOND_PEER_NOTIF_DELAY]);
 
<------><------>bond_opt_initval(&newval, delay);
<------><------>err = __bond_opt_set(bond, BOND_OPT_PEER_NOTIF_DELAY, &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 */
<------><------>nla_total_size(sizeof(u32)) +	/* IFLA_BOND_PEER_NOTIF_DELAY */
<------><------>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_u32(skb, IFLA_BOND_PEER_NOTIF_DELAY,
<------><------><------>bond->params.peer_notif_delay * 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_noflag(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_noflag(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;
}
 
static size_t bond_get_linkxstats_size(const struct net_device *dev, int attr)
{
<------>switch (attr) {
<------>case IFLA_STATS_LINK_XSTATS:
<------>case IFLA_STATS_LINK_XSTATS_SLAVE:
<------><------>break;
<------>default:
<------><------>return 0;
<------>}
 
<------>return bond_3ad_stats_size() + nla_total_size(0);
}
 
static int bond_fill_linkxstats(struct sk_buff *skb,
<------><------><------><------>const struct net_device *dev,
<------><------><------><------>int *prividx, int attr)
{
<------>struct nlattr *nla __maybe_unused;
<------>struct slave *slave = NULL;
<------>struct nlattr *nest, *nest2;
<------>struct bonding *bond;
 
<------>switch (attr) {
<------>case IFLA_STATS_LINK_XSTATS:
<------><------>bond = netdev_priv(dev);
<------><------>break;
<------>case IFLA_STATS_LINK_XSTATS_SLAVE:
<------><------>slave = bond_slave_get_rtnl(dev);
<------><------>if (!slave)
<------><------><------>return 0;
<------><------>bond = slave->bond;
<------><------>break;
<------>default:
<------><------>return -EINVAL;
<------>}
 
<------>nest = nla_nest_start_noflag(skb, LINK_XSTATS_TYPE_BOND);
<------>if (!nest)
<------><------>return -EMSGSIZE;
<------>if (BOND_MODE(bond) == BOND_MODE_8023AD) {
<------><------>struct bond_3ad_stats *stats;
 
<------><------>if (slave)
<------><------><------>stats = &SLAVE_AD_INFO(slave)->stats;
<------><------>else
<------><------><------>stats = &BOND_AD_INFO(bond).stats;
 
<------><------>nest2 = nla_nest_start_noflag(skb, BOND_XSTATS_3AD);
<------><------>if (!nest2) {
<------><------><------>nla_nest_end(skb, nest);
<------><------><------>return -EMSGSIZE;
<------><------>}
 
<------><------>if (bond_3ad_stats_fill(skb, stats)) {
<------><------><------>nla_nest_cancel(skb, nest2);
<------><------><------>nla_nest_end(skb, nest);
<------><------><------>return -EMSGSIZE;
<------><------>}
<------><------>nla_nest_end(skb, nest2);
<------>}
<------>nla_nest_end(skb, nest);
 
<------>return 0;
}
 
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 */
<------>.fill_linkxstats        = bond_fill_linkxstats,
<------>.get_linkxstats_size    = bond_get_linkxstats_size,
<------>.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");