/*
* 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
#include <linux/if_ether.h>
#include <net/netlink.h>
#include <net/rtnetlink.h>
+#include <linux/reciprocal_div.h>
#include "bonding.h"
+int bond_get_slave(struct net_device *slave_dev, struct sk_buff *skb)
+{
+ struct slave *slave = bond_slave_get_rtnl(slave_dev);
+ const struct aggregator *agg;
+
+ if (nla_put_u8(skb, IFLA_SLAVE_STATE, bond_slave_state(slave)))
+ goto nla_put_failure;
+
+ if (nla_put_u8(skb, IFLA_SLAVE_MII_STATUS, slave->link))
+ goto nla_put_failure;
+
+ if (nla_put_u32(skb, IFLA_SLAVE_LINK_FAILURE_COUNT,
+ slave->link_failure_count))
+ goto nla_put_failure;
+
+ if (nla_put(skb, IFLA_SLAVE_PERM_HWADDR,
+ slave_dev->addr_len, slave->perm_hwaddr))
+ goto nla_put_failure;
+
+ if (nla_put_u16(skb, IFLA_SLAVE_QUEUE_ID, slave->queue_id))
+ goto nla_put_failure;
+
+ if (slave->bond->params.mode == BOND_MODE_8023AD) {
+ agg = SLAVE_AD_INFO(slave).port.aggregator;
+ if (agg)
+ if (nla_put_u16(skb, IFLA_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[])
struct nlattr *tb[], struct nlattr *data[])
{
struct bonding *bond = netdev_priv(bond_dev);
+ int miimon = 0;
int err;
- if (data && data[IFLA_BOND_MODE]) {
+ if (!data)
+ return 0;
+
+ if (data[IFLA_BOND_MODE]) {
int mode = nla_get_u8(data[IFLA_BOND_MODE]);
err = bond_option_mode_set(bond, mode);
if (err)
return err;
}
- if (data && data[IFLA_BOND_ACTIVE_SLAVE]) {
+ if (data[IFLA_BOND_ACTIVE_SLAVE]) {
int ifindex = nla_get_u32(data[IFLA_BOND_ACTIVE_SLAVE]);
struct net_device *slave_dev;
if (err)
return err;
}
+ if (data[IFLA_BOND_MIIMON]) {
+ miimon = nla_get_u32(data[IFLA_BOND_MIIMON]);
+
+ err = bond_option_miimon_set(bond, miimon);
+ if (err)
+ return err;
+ }
+ if (data[IFLA_BOND_UPDELAY]) {
+ int updelay = nla_get_u32(data[IFLA_BOND_UPDELAY]);
+
+ err = bond_option_updelay_set(bond, updelay);
+ if (err)
+ return err;
+ }
+ if (data[IFLA_BOND_DOWNDELAY]) {
+ int downdelay = nla_get_u32(data[IFLA_BOND_DOWNDELAY]);
+
+ err = bond_option_downdelay_set(bond, downdelay);
+ if (err)
+ return err;
+ }
+ if (data[IFLA_BOND_USE_CARRIER]) {
+ int use_carrier = nla_get_u8(data[IFLA_BOND_USE_CARRIER]);
+
+ err = bond_option_use_carrier_set(bond, use_carrier);
+ 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;
+ }
+
+ err = bond_option_arp_interval_set(bond, arp_interval);
+ if (err)
+ return err;
+ }
+ if (data[IFLA_BOND_ARP_IP_TARGET]) {
+ __be32 targets[BOND_MAX_ARP_TARGETS] = { 0, };
+ struct nlattr *attr;
+ int i = 0, rem;
+
+ nla_for_each_nested(attr, data[IFLA_BOND_ARP_IP_TARGET], rem) {
+ __be32 target = nla_get_be32(attr);
+ targets[i++] = target;
+ }
+
+ err = bond_option_arp_ip_targets_set(bond, targets, i);
+ 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;
+ }
+
+ err = bond_option_arp_validate_set(bond, arp_validate);
+ if (err)
+ return err;
+ }
+ if (data[IFLA_BOND_ARP_ALL_TARGETS]) {
+ int arp_all_targets =
+ nla_get_u32(data[IFLA_BOND_ARP_ALL_TARGETS]);
+
+ err = bond_option_arp_all_targets_set(bond, arp_all_targets);
+ 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;
+
+ err = bond_option_primary_set(bond, primary);
+ if (err)
+ return err;
+ }
+ if (data[IFLA_BOND_PRIMARY_RESELECT]) {
+ int primary_reselect =
+ nla_get_u8(data[IFLA_BOND_PRIMARY_RESELECT]);
+
+ err = bond_option_primary_reselect_set(bond, primary_reselect);
+ if (err)
+ return err;
+ }
+ if (data[IFLA_BOND_FAIL_OVER_MAC]) {
+ int fail_over_mac =
+ nla_get_u8(data[IFLA_BOND_FAIL_OVER_MAC]);
+
+ err = bond_option_fail_over_mac_set(bond, fail_over_mac);
+ if (err)
+ return err;
+ }
+ if (data[IFLA_BOND_XMIT_HASH_POLICY]) {
+ int xmit_hash_policy =
+ nla_get_u8(data[IFLA_BOND_XMIT_HASH_POLICY]);
+
+ err = bond_option_xmit_hash_policy_set(bond, xmit_hash_policy);
+ if (err)
+ return err;
+ }
+ if (data[IFLA_BOND_RESEND_IGMP]) {
+ int resend_igmp =
+ nla_get_u32(data[IFLA_BOND_RESEND_IGMP]);
+
+ err = bond_option_resend_igmp_set(bond, resend_igmp);
+ if (err)
+ return err;
+ }
+ if (data[IFLA_BOND_NUM_PEER_NOTIF]) {
+ int num_peer_notif =
+ nla_get_u8(data[IFLA_BOND_NUM_PEER_NOTIF]);
+
+ err = bond_option_num_peer_notif_set(bond, num_peer_notif);
+ if (err)
+ return err;
+ }
+ if (data[IFLA_BOND_ALL_SLAVES_ACTIVE]) {
+ int all_slaves_active =
+ nla_get_u8(data[IFLA_BOND_ALL_SLAVES_ACTIVE]);
+
+ err = bond_option_all_slaves_active_set(bond,
+ all_slaves_active);
+ if (err)
+ return err;
+ }
+ if (data[IFLA_BOND_MIN_LINKS]) {
+ int min_links =
+ nla_get_u32(data[IFLA_BOND_MIN_LINKS]);
+
+ err = bond_option_min_links_set(bond, min_links);
+ if (err)
+ return err;
+ }
+ if (data[IFLA_BOND_LP_INTERVAL]) {
+ int lp_interval =
+ nla_get_u32(data[IFLA_BOND_LP_INTERVAL]);
+
+ err = bond_option_lp_interval_set(bond, lp_interval);
+ if (err)
+ return err;
+ }
+ if (data[IFLA_BOND_PACKETS_PER_SLAVE]) {
+ int packets_per_slave =
+ nla_get_u32(data[IFLA_BOND_PACKETS_PER_SLAVE]);
+
+ err = bond_option_packets_per_slave_set(bond,
+ packets_per_slave);
+ if (err)
+ return err;
+ }
+ if (data[IFLA_BOND_AD_LACP_RATE]) {
+ int lacp_rate =
+ nla_get_u8(data[IFLA_BOND_AD_LACP_RATE]);
+
+ err = bond_option_lacp_rate_set(bond, lacp_rate);
+ if (err)
+ return err;
+ }
+ if (data[IFLA_BOND_AD_SELECT]) {
+ int ad_select =
+ nla_get_u8(data[IFLA_BOND_AD_SELECT]);
+
+ err = bond_option_ad_select_set(bond, ad_select);
+ if (err)
+ return err;
+ }
return 0;
}
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_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,
{
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;
- if (nla_put_u8(skb, IFLA_BOND_MODE, bond->params.mode) ||
- (slave_dev &&
- nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, slave_dev->ifindex)))
+ 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 (packets_per_slave > 1)
+ packets_per_slave = reciprocal_value(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:
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