diff options
Diffstat (limited to 'drivers/net/bonding/bond_netlink.c')
-rw-r--r-- | drivers/net/bonding/bond_netlink.c | 464 |
1 files changed, 453 insertions, 11 deletions
diff --git a/drivers/net/bonding/bond_netlink.c b/drivers/net/bonding/bond_netlink.c index 40e7b1c..70651f8 100644 --- a/drivers/net/bonding/bond_netlink.c +++ b/drivers/net/bonding/bond_netlink.c @@ -1,6 +1,7 @@ /* * 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 @@ -20,9 +21,81 @@ #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[]) @@ -40,28 +113,238 @@ 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 && 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); + bond_opt_initval(&newval, mode); + err = __bond_opt_set(bond, BOND_OPT_MODE, &newval); 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; + char *active_slave = ""; - if (ifindex == 0) { - slave_dev = NULL; - } else { + 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; } - err = bond_option_active_slave_set(bond, slave_dev); + + 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, 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; } @@ -83,7 +366,36 @@ static int bond_newlink(struct net *src_net, struct net_device *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_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, @@ -91,11 +403,139 @@ 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_u8(skb, IFLA_BOND_MODE, bond->params.mode) || - (slave_dev && - nla_put_u32(skb, IFLA_BOND_ACTIVE_SLAVE, slave_dev->ifindex))) + 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: @@ -116,6 +556,8 @@ struct rtnl_link_ops bond_link_ops __read_mostly = { .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) |