// SPDX-License-Identifier: GPL-2.0-or-later /* * Copyright(c) 2004-2005 Intel Corporation. All rights reserved. */ #define pr_fmt(fmt) … #include <linux/kernel.h> #include <linux/module.h> #include <linux/device.h> #include <linux/sched/signal.h> #include <linux/fs.h> #include <linux/types.h> #include <linux/string.h> #include <linux/netdevice.h> #include <linux/inetdevice.h> #include <linux/in.h> #include <linux/sysfs.h> #include <linux/ctype.h> #include <linux/inet.h> #include <linux/rtnetlink.h> #include <linux/etherdevice.h> #include <net/net_namespace.h> #include <net/netns/generic.h> #include <linux/nsproxy.h> #include <net/bonding.h> #define to_bond(cd) … /* "show" function for the bond_masters attribute. * The class parameter is ignored. */ static ssize_t bonding_show_bonds(const struct class *cls, const struct class_attribute *attr, char *buf) { … } static struct net_device *bond_get_by_name(const struct bond_net *bn, const char *ifname) { … } /* "store" function for the bond_masters attribute. This is what * creates and deletes entire bonds. * * The class parameter is ignored. */ static ssize_t bonding_store_bonds(const struct class *cls, const struct class_attribute *attr, const char *buffer, size_t count) { … } /* class attribute for bond_masters file. This ends up in /sys/class/net */ static const struct class_attribute class_attr_bonding_masters = …; /* Generic "store" method for bonding sysfs option setting */ static ssize_t bonding_sysfs_store_option(struct device *d, struct device_attribute *attr, const char *buffer, size_t count) { … } /* Show the slaves in the current bond. */ static ssize_t bonding_show_slaves(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(slaves, 0644, bonding_show_slaves, bonding_sysfs_store_option); /* Show the bonding mode. */ static ssize_t bonding_show_mode(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(mode, 0644, bonding_show_mode, bonding_sysfs_store_option); /* Show the bonding transmit hash method. */ static ssize_t bonding_show_xmit_hash(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(xmit_hash_policy, 0644, bonding_show_xmit_hash, bonding_sysfs_store_option); /* Show arp_validate. */ static ssize_t bonding_show_arp_validate(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(arp_validate, 0644, bonding_show_arp_validate, bonding_sysfs_store_option); /* Show arp_all_targets. */ static ssize_t bonding_show_arp_all_targets(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(arp_all_targets, 0644, bonding_show_arp_all_targets, bonding_sysfs_store_option); /* Show fail_over_mac. */ static ssize_t bonding_show_fail_over_mac(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(fail_over_mac, 0644, bonding_show_fail_over_mac, bonding_sysfs_store_option); /* Show the arp timer interval. */ static ssize_t bonding_show_arp_interval(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(arp_interval, 0644, bonding_show_arp_interval, bonding_sysfs_store_option); /* Show the arp targets. */ static ssize_t bonding_show_arp_targets(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(arp_ip_target, 0644, bonding_show_arp_targets, bonding_sysfs_store_option); /* Show the arp missed max. */ static ssize_t bonding_show_missed_max(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(arp_missed_max, 0644, bonding_show_missed_max, bonding_sysfs_store_option); /* Show the up and down delays. */ static ssize_t bonding_show_downdelay(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(downdelay, 0644, bonding_show_downdelay, bonding_sysfs_store_option); static ssize_t bonding_show_updelay(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(updelay, 0644, bonding_show_updelay, bonding_sysfs_store_option); static ssize_t bonding_show_peer_notif_delay(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(peer_notif_delay, 0644, bonding_show_peer_notif_delay, bonding_sysfs_store_option); /* Show the LACP activity and interval. */ static ssize_t bonding_show_lacp_active(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(lacp_active, 0644, bonding_show_lacp_active, bonding_sysfs_store_option); static ssize_t bonding_show_lacp_rate(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(lacp_rate, 0644, bonding_show_lacp_rate, bonding_sysfs_store_option); static ssize_t bonding_show_min_links(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(min_links, 0644, bonding_show_min_links, bonding_sysfs_store_option); static ssize_t bonding_show_ad_select(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(ad_select, 0644, bonding_show_ad_select, bonding_sysfs_store_option); /* Show the number of peer notifications to send after a failover event. */ static ssize_t bonding_show_num_peer_notif(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(num_grat_arp, 0644, bonding_show_num_peer_notif, bonding_sysfs_store_option); static DEVICE_ATTR(num_unsol_na, 0644, bonding_show_num_peer_notif, bonding_sysfs_store_option); /* Show the MII monitor interval. */ static ssize_t bonding_show_miimon(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(miimon, 0644, bonding_show_miimon, bonding_sysfs_store_option); /* Show the primary slave. */ static ssize_t bonding_show_primary(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(primary, 0644, bonding_show_primary, bonding_sysfs_store_option); /* Show the primary_reselect flag. */ static ssize_t bonding_show_primary_reselect(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(primary_reselect, 0644, bonding_show_primary_reselect, bonding_sysfs_store_option); /* Show the use_carrier flag. */ static ssize_t bonding_show_carrier(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(use_carrier, 0644, bonding_show_carrier, bonding_sysfs_store_option); /* Show currently active_slave. */ static ssize_t bonding_show_active_slave(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(active_slave, 0644, bonding_show_active_slave, bonding_sysfs_store_option); /* Show link status of the bond interface. */ static ssize_t bonding_show_mii_status(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(mii_status, 0444, bonding_show_mii_status, NULL); /* Show current 802.3ad aggregator ID. */ static ssize_t bonding_show_ad_aggregator(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(ad_aggregator, 0444, bonding_show_ad_aggregator, NULL); /* Show number of active 802.3ad ports. */ static ssize_t bonding_show_ad_num_ports(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(ad_num_ports, 0444, bonding_show_ad_num_ports, NULL); /* Show current 802.3ad actor key. */ static ssize_t bonding_show_ad_actor_key(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(ad_actor_key, 0444, bonding_show_ad_actor_key, NULL); /* Show current 802.3ad partner key. */ static ssize_t bonding_show_ad_partner_key(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(ad_partner_key, 0444, bonding_show_ad_partner_key, NULL); /* Show current 802.3ad partner mac. */ static ssize_t bonding_show_ad_partner_mac(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(ad_partner_mac, 0444, bonding_show_ad_partner_mac, NULL); /* Show the queue_ids of the slaves in the current bond. */ static ssize_t bonding_show_queue_id(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(queue_id, 0644, bonding_show_queue_id, bonding_sysfs_store_option); /* Show the all_slaves_active flag. */ static ssize_t bonding_show_slaves_active(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(all_slaves_active, 0644, bonding_show_slaves_active, bonding_sysfs_store_option); /* Show the number of IGMP membership reports to send on link failure */ static ssize_t bonding_show_resend_igmp(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(resend_igmp, 0644, bonding_show_resend_igmp, bonding_sysfs_store_option); static ssize_t bonding_show_lp_interval(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(lp_interval, 0644, bonding_show_lp_interval, bonding_sysfs_store_option); static ssize_t bonding_show_tlb_dynamic_lb(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(tlb_dynamic_lb, 0644, bonding_show_tlb_dynamic_lb, bonding_sysfs_store_option); static ssize_t bonding_show_packets_per_slave(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(packets_per_slave, 0644, bonding_show_packets_per_slave, bonding_sysfs_store_option); static ssize_t bonding_show_ad_actor_sys_prio(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(ad_actor_sys_prio, 0644, bonding_show_ad_actor_sys_prio, bonding_sysfs_store_option); static ssize_t bonding_show_ad_actor_system(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(ad_actor_system, 0644, bonding_show_ad_actor_system, bonding_sysfs_store_option); static ssize_t bonding_show_ad_user_port_key(struct device *d, struct device_attribute *attr, char *buf) { … } static DEVICE_ATTR(ad_user_port_key, 0644, bonding_show_ad_user_port_key, bonding_sysfs_store_option); static struct attribute *per_bond_attrs[] = …; static const struct attribute_group bonding_group = …; /* Initialize sysfs. This sets up the bonding_masters file in * /sys/class/net. */ int __net_init bond_create_sysfs(struct bond_net *bn) { … } /* Remove /sys/class/net/bonding_masters. */ void __net_exit bond_destroy_sysfs(struct bond_net *bn) { … } /* Initialize sysfs for each bond. This sets up and registers * the 'bondctl' directory for each individual bond under /sys/class/net. */ void bond_prepare_sysfs_group(struct bonding *bond) { … }
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