1 /* SPDX-License-Identifier: GPL-1.0+ */
5  * Portions are (c) Copyright 1995 Simon "Guru Aleph-Null" Janes
43 	netdev_info(bond_dev, "(slave %s): " fmt, (slave_dev)->name, ##__VA_ARGS__)
45 	netdev_warn(bond_dev, "(slave %s): " fmt, (slave_dev)->name, ##__VA_ARGS__)
47 	netdev_dbg(bond_dev, "(slave %s): " fmt, (slave_dev)->name, ##__VA_ARGS__)
49 	netdev_err(bond_dev, "(slave %s): " fmt, (slave_dev)->name, ##__VA_ARGS__)
51 #define BOND_MODE(bond) ((bond)->params.mode)
54 #define bond_slave_list(bond) (&(bond)->dev->adj_list.lower)
61 		netdev_adjacent_get_private(bond_slave_list(bond)->next) : \
65 		netdev_adjacent_get_private(bond_slave_list(bond)->prev) : \
70 	netdev_lower_get_first_private_rcu(bond->dev)
76  * bond_for_each_slave - iterate over all slaves
84 	netdev_for_each_lower_private((bond)->dev, pos, iter)
88 	netdev_for_each_lower_private_rcu((bond)->dev, pos, iter)
158 	struct net_device *dev; /* first - useful for panic debug */
160 	int    delay;  member
170 	       inactive:1, /* indicates inactive slave */  member
203  * Link pseudo-state only used internally by monitors
205 #define BOND_LINK_NOCHANGE -1
217 	struct   net_device *dev; /* first - useful for panic debug */
228 	/* mode_lock is used for mode-specific locking needs, currently used by:
229 	 * 3ad mode (4) - protect against running bond_3ad_unbind_slave() and
232 	 * TLB mode (5) - to sync the use and modifications of its hash table
233 	 * ALB mode (6) - to sync the use and modifications of its hash table
269 	((struct slave *) rcu_dereference(dev->rx_handler_data))
272 	((struct slave *) rtnl_dereference(dev->rx_handler_data))
290 	return netdev_lower_dev_get_private(bond->dev, slave_dev);  in bond_get_slave_by_dev()
295 	return slave->bond;  in bond_get_bond_by_slave()
317 	return (bond_is_lb(bond) && bond->params.tlb_dynamic_lb == 0);  in bond_is_nondyn_tlb()
354 	struct slave *slave = rcu_dereference_rtnl(bond->curr_active_slave);  in bond_option_active_slave_get_rcu()
356 	return bond_uses_primary(bond) && slave ? slave->dev : NULL;  in bond_option_active_slave_get_rcu()
361 	return netif_running(slave->dev) && netif_carrier_ok(slave->dev);  in bond_slave_is_up()
366 	if (slave->backup) {  in bond_set_active_slave()
367 		slave->backup = 0;  in bond_set_active_slave()
375 	if (!slave->backup) {  in bond_set_backup_slave()
376 		slave->backup = 1;  in bond_set_backup_slave()
385 	if (slave->backup == slave_state)  in bond_set_slave_state()
388 	slave->backup = slave_state;  in bond_set_slave_state()
392 		slave->should_notify = 0;  in bond_set_slave_state()
394 		if (slave->should_notify)  in bond_set_slave_state()
395 			slave->should_notify = 0;  in bond_set_slave_state()
397 			slave->should_notify = 1;  in bond_set_slave_state()
407 		if (tmp->link == BOND_LINK_UP)  in bond_slave_state_change()
409 		else if (tmp->link == BOND_LINK_DOWN)  in bond_slave_state_change()
420 		if (tmp->should_notify) {  in bond_slave_state_notify()
422 			tmp->should_notify = 0;  in bond_slave_state_notify()
429 	return slave->backup;  in bond_slave_state()
439 	return bond_slave_is_up(slave) && slave->link == BOND_LINK_UP &&  in bond_slave_can_tx()
494 	return bond->params.arp_validate & (1 << bond_slave_state(slave));  in slave_do_arp_validate()
499 	return bond->params.arp_validate & BOND_ARP_FILTER;  in slave_do_arp_validate_only()
523 	unsigned long ret = slave->target_last_arp_rx[0];  in slave_oldest_target_arp_rx()
525 	for (; (i < BOND_MAX_ARP_TARGETS) && bond->params.arp_targets[i]; i++)  in slave_oldest_target_arp_rx()
526 		if (time_before(slave->target_last_arp_rx[i], ret))  in slave_oldest_target_arp_rx()
527 			ret = slave->target_last_arp_rx[i];  in slave_oldest_target_arp_rx()
535 	if (bond->params.arp_all_targets == BOND_ARP_TARGETS_ALL)  in slave_last_rx()
538 	return slave->last_rx;  in slave_last_rx()
543 	WRITE_ONCE(slave->last_tx, jiffies);  in slave_update_last_tx()
548 	return READ_ONCE(slave->last_tx);  in slave_last_tx()
555 	return netpoll_send_skb(slave->np, skb);  in bond_netpoll_send_skb()
569 	if (!bond_is_lb(slave->bond))  in bond_set_slave_inactive_flags()
571 	if (!slave->bond->params.all_slaves_active)  in bond_set_slave_inactive_flags()
572 		slave->inactive = 1;  in bond_set_slave_inactive_flags()
573 	if (BOND_MODE(slave->bond) == BOND_MODE_8023AD)  in bond_set_slave_inactive_flags()
574 		slave->rx_disabled = 1;  in bond_set_slave_inactive_flags()
587 	slave->inactive = 0;  in bond_set_slave_active_flags()
588 	if (BOND_MODE(slave->bond) == BOND_MODE_8023AD)  in bond_set_slave_active_flags()
589 		slave->rx_disabled = 0;  in bond_set_slave_active_flags()
595 	slave->rx_disabled = 0;  in bond_set_slave_rx_enabled_flags()
600 	return slave->inactive;  in bond_is_slave_inactive()
605 	return slave->rx_disabled;  in bond_is_slave_rx_disabled()
610 	slave->link_new_state = state;  in bond_propose_link_state()
615 	if (slave->link_new_state == BOND_LINK_NOCHANGE)  in bond_commit_link_state()
618 	slave->link = slave->link_new_state;  in bond_commit_link_state()
622 		slave->should_notify_link = 0;  in bond_commit_link_state()
624 		if (slave->should_notify_link)  in bond_commit_link_state()
625 			slave->should_notify_link = 0;  in bond_commit_link_state()
627 			slave->should_notify_link = 1;  in bond_commit_link_state()
644 		if (tmp->should_notify_link) {  in bond_slave_link_notify()
647 			tmp->should_notify_link = 0;  in bond_slave_link_notify()
708 void bond_slave_arr_work_rearm(struct bonding *bond, unsigned long delay);
741 		if (ether_addr_equal_64bits(mac, tmp->dev->dev_addr))  in bond_slave_has_mac()
754 		if (ether_addr_equal_64bits(mac, tmp->dev->dev_addr))  in bond_slave_has_mac_rcu()
760  * Returns -1 if not found, index if found
772 	return -1;  in bond_get_targets_ip()
790 	return -1;  in bond_get_targets_ip6()