Author | Tokens | Token Proportion | Commits | Commit Proportion |
---|---|---|---|---|
sfeldma@cumulusnetworks.com | 1530 | 31.20% | 22 | 18.97% |
Jiri Pirko | 1233 | 25.14% | 11 | 9.48% |
Nikolay Aleksandrov | 802 | 16.35% | 31 | 26.72% |
Hangbin Liu | 439 | 8.95% | 7 | 6.03% |
Jonathan Toppins | 233 | 4.75% | 1 | 0.86% |
Andy Gospodarek | 179 | 3.65% | 3 | 2.59% |
Eric W. Biedermann | 145 | 2.96% | 2 | 1.72% |
Eric Dumazet | 56 | 1.14% | 1 | 0.86% |
Vincent Bernat | 53 | 1.08% | 2 | 1.72% |
Veaceslav Falico | 49 | 1.00% | 5 | 4.31% |
Mahesh Bandewar | 36 | 0.73% | 6 | 5.17% |
Thomas Graf | 24 | 0.49% | 2 | 1.72% |
Ding Tianhong | 21 | 0.43% | 2 | 1.72% |
Johannes Berg | 20 | 0.41% | 1 | 0.86% |
Linus Torvalds | 17 | 0.35% | 1 | 0.86% |
John Fastabend | 14 | 0.29% | 1 | 0.86% |
Jeff Garzik | 12 | 0.24% | 1 | 0.86% |
Stephen Hemminger | 8 | 0.16% | 2 | 1.72% |
Beniamino Galvani | 5 | 0.10% | 1 | 0.86% |
Américo Wang | 5 | 0.10% | 1 | 0.86% |
Arnaldo Carvalho de Melo | 4 | 0.08% | 1 | 0.86% |
Michal Kubeček | 4 | 0.08% | 1 | 0.86% |
Thomas Gleixner | 2 | 0.04% | 1 | 0.86% |
Shmulik Hen | 2 | 0.04% | 1 | 0.86% |
Linus Torvalds (pre-git) | 2 | 0.04% | 1 | 0.86% |
Matthias Schiffer | 2 | 0.04% | 1 | 0.86% |
Amir Noam | 1 | 0.02% | 1 | 0.86% |
Mitch A Williams | 1 | 0.02% | 1 | 0.86% |
Tobias Jungel | 1 | 0.02% | 1 | 0.86% |
Xin Long | 1 | 0.02% | 1 | 0.86% |
Jakub Kiciński | 1 | 0.02% | 1 | 0.86% |
David S. Miller | 1 | 0.02% | 1 | 0.86% |
Dan Carpenter | 1 | 0.02% | 1 | 0.86% |
Total | 4904 | 116 |
// 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> #include <net/ipv6.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 */ nla_total_size(sizeof(s32)) + /* IFLA_BOND_SLAVE_PRIO */ 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 (nla_put_s32(skb, IFLA_BOND_SLAVE_PRIO, slave->prio)) 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; } /* Limit the max delay range to 300s */ static const struct netlink_range_validation delay_range = { .max = 300000, }; 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_ACTIVE] = { .type = NLA_U8 }, [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] = NLA_POLICY_FULL_RANGE(NLA_U32, &delay_range), [IFLA_BOND_MISSED_MAX] = { .type = NLA_U8 }, [IFLA_BOND_NS_IP6_TARGET] = { .type = NLA_NESTED }, }; static const struct nla_policy bond_slave_policy[IFLA_BOND_SLAVE_MAX + 1] = { [IFLA_BOND_SLAVE_QUEUE_ID] = { .type = NLA_U16 }, [IFLA_BOND_SLAVE_PRIO] = { .type = NLA_S32 }, }; 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, data[IFLA_BOND_SLAVE_QUEUE_ID], extack); if (err) return err; } if (data[IFLA_BOND_SLAVE_PRIO]) { int prio = nla_get_s32(data[IFLA_BOND_SLAVE_PRIO]); bond_opt_slave_initval(&newval, &slave_dev, prio); err = __bond_opt_set(bond, BOND_OPT_PRIO, &newval, data[IFLA_BOND_SLAVE_PRIO], extack); 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, data[IFLA_BOND_MODE], extack); 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, data[IFLA_BOND_ACTIVE_SLAVE], extack); 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, data[IFLA_BOND_MIIMON], extack); 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, data[IFLA_BOND_UPDELAY], extack); 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, data[IFLA_BOND_DOWNDELAY], extack); 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, data[IFLA_BOND_PEER_NOTIF_DELAY], extack); 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, data[IFLA_BOND_USE_CARRIER], extack); 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) { NL_SET_ERR_MSG_ATTR(extack, data[IFLA_BOND_ARP_INTERVAL], "ARP monitoring cannot be used with MII monitoring"); return -EINVAL; } bond_opt_initval(&newval, arp_interval); err = __bond_opt_set(bond, BOND_OPT_ARP_INTERVAL, &newval, data[IFLA_BOND_ARP_INTERVAL], extack); 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, data[IFLA_BOND_ARP_IP_TARGET], extack); 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 IS_ENABLED(CONFIG_IPV6) if (data[IFLA_BOND_NS_IP6_TARGET]) { struct nlattr *attr; int i = 0, rem; bond_option_ns_ip6_targets_clear(bond); nla_for_each_nested(attr, data[IFLA_BOND_NS_IP6_TARGET], rem) { struct in6_addr addr6; if (nla_len(attr) < sizeof(addr6)) { NL_SET_ERR_MSG(extack, "Invalid IPv6 address"); return -EINVAL; } addr6 = nla_get_in6_addr(attr); bond_opt_initextra(&newval, &addr6, sizeof(addr6)); err = __bond_opt_set(bond, BOND_OPT_NS_TARGETS, &newval, data[IFLA_BOND_NS_IP6_TARGET], extack); if (err) break; i++; } if (i == 0 && bond->params.arp_interval) netdev_warn(bond->dev, "Removing last ns target with arp_interval on\n"); if (err) return err; } #endif if (data[IFLA_BOND_ARP_VALIDATE]) { int arp_validate = nla_get_u32(data[IFLA_BOND_ARP_VALIDATE]); if (arp_validate && miimon) { NL_SET_ERR_MSG_ATTR(extack, data[IFLA_BOND_ARP_INTERVAL], "ARP validating cannot be used with MII monitoring"); return -EINVAL; } bond_opt_initval(&newval, arp_validate); err = __bond_opt_set(bond, BOND_OPT_ARP_VALIDATE, &newval, data[IFLA_BOND_ARP_VALIDATE], extack); 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, data[IFLA_BOND_ARP_ALL_TARGETS], extack); 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, data[IFLA_BOND_PRIMARY], extack); 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, data[IFLA_BOND_PRIMARY_RESELECT], extack); 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, data[IFLA_BOND_FAIL_OVER_MAC], extack); 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, data[IFLA_BOND_XMIT_HASH_POLICY], extack); 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, data[IFLA_BOND_RESEND_IGMP], extack); 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, data[IFLA_BOND_NUM_PEER_NOTIF], extack); 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, data[IFLA_BOND_ALL_SLAVES_ACTIVE], extack); 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, data[IFLA_BOND_MIN_LINKS], extack); 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, data[IFLA_BOND_LP_INTERVAL], extack); 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, data[IFLA_BOND_PACKETS_PER_SLAVE], extack); if (err) return err; } if (data[IFLA_BOND_AD_LACP_ACTIVE]) { int lacp_active = nla_get_u8(data[IFLA_BOND_AD_LACP_ACTIVE]); bond_opt_initval(&newval, lacp_active); err = __bond_opt_set(bond, BOND_OPT_LACP_ACTIVE, &newval, data[IFLA_BOND_AD_LACP_ACTIVE], extack); 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, data[IFLA_BOND_AD_LACP_RATE], extack); 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, data[IFLA_BOND_AD_SELECT], extack); 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, data[IFLA_BOND_AD_ACTOR_SYS_PRIO], extack); 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, data[IFLA_BOND_AD_USER_PORT_KEY], extack); 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, data[IFLA_BOND_AD_ACTOR_SYSTEM], extack); 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, data[IFLA_BOND_TLB_DYNAMIC_LB], extack); if (err) return err; } if (data[IFLA_BOND_MISSED_MAX]) { int missed_max = nla_get_u8(data[IFLA_BOND_MISSED_MAX]); bond_opt_initval(&newval, missed_max); err = __bond_opt_set(bond, BOND_OPT_MISSED_MAX, &newval, data[IFLA_BOND_MISSED_MAX], extack); 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_ACTIVE */ 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 */ nla_total_size(sizeof(u8)) + /* IFLA_BOND_MISSED_MAX */ /* IFLA_BOND_NS_IP6_TARGET */ nla_total_size(sizeof(struct nlattr)) + nla_total_size(sizeof(struct in6_addr)) * BOND_MAX_NS_TARGETS + 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; #if IS_ENABLED(CONFIG_IPV6) targets = nla_nest_start(skb, IFLA_BOND_NS_IP6_TARGET); if (!targets) goto nla_put_failure; targets_added = 0; for (i = 0; i < BOND_MAX_NS_TARGETS; i++) { if (!ipv6_addr_any(&bond->params.ns_targets[i])) { if (nla_put_in6_addr(skb, i, &bond->params.ns_targets[i])) goto nla_put_failure; targets_added = 1; } } if (targets_added) nla_nest_end(skb, targets); else nla_nest_cancel(skb, targets); #endif 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_ACTIVE, bond->params.lacp_active)) 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 (nla_put_u8(skb, IFLA_BOND_MISSED_MAX, bond->params.missed_max)) 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");
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