37 	struct batadv_hard_iface *hard_iface;  in batadv_hardif_free_rcu()  local
39 	hard_iface = container_of(rcu, struct batadv_hard_iface, rcu);  in batadv_hardif_free_rcu()
40 	dev_put(hard_iface->net_dev);  in batadv_hardif_free_rcu()
41 	kfree(hard_iface);  in batadv_hardif_free_rcu()
47 	struct batadv_hard_iface *hard_iface;  in batadv_hardif_get_by_netdev()  local
50 	list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {  in batadv_hardif_get_by_netdev()
51 		if (hard_iface->net_dev == net_dev &&  in batadv_hardif_get_by_netdev()
52 		    atomic_inc_not_zero(&hard_iface->refcount))  in batadv_hardif_get_by_netdev()
56 	hard_iface = NULL;  in batadv_hardif_get_by_netdev()
60 	return hard_iface;  in batadv_hardif_get_by_netdev()
149 	struct batadv_hard_iface *hard_iface;  in batadv_hardif_get_active()  local
152 	list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {  in batadv_hardif_get_active()
153 		if (hard_iface->soft_iface != soft_iface)  in batadv_hardif_get_active()
156 		if (hard_iface->if_status == BATADV_IF_ACTIVE &&  in batadv_hardif_get_active()
157 		    atomic_inc_not_zero(&hard_iface->refcount))  in batadv_hardif_get_active()
161 	hard_iface = NULL;  in batadv_hardif_get_active()
165 	return hard_iface;  in batadv_hardif_get_active()
209 batadv_hardif_is_iface_up(const struct batadv_hard_iface *hard_iface)  in batadv_hardif_is_iface_up()  argument
211 	if (hard_iface->net_dev->flags & IFF_UP)  in batadv_hardif_is_iface_up()
219 	const struct batadv_hard_iface *hard_iface;  in batadv_check_known_mac_addr()  local
222 	list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {  in batadv_check_known_mac_addr()
223 		if ((hard_iface->if_status != BATADV_IF_ACTIVE) &&  in batadv_check_known_mac_addr()
224 		    (hard_iface->if_status != BATADV_IF_TO_BE_ACTIVATED))  in batadv_check_known_mac_addr()
227 		if (hard_iface->net_dev == net_dev)  in batadv_check_known_mac_addr()
230 		if (!batadv_compare_eth(hard_iface->net_dev->dev_addr,  in batadv_check_known_mac_addr()
235 			net_dev->dev_addr, hard_iface->net_dev->name);  in batadv_check_known_mac_addr()
244 	const struct batadv_hard_iface *hard_iface;  in batadv_hardif_min_mtu()  local
248 	list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {  in batadv_hardif_min_mtu()
249 		if ((hard_iface->if_status != BATADV_IF_ACTIVE) &&  in batadv_hardif_min_mtu()
250 		    (hard_iface->if_status != BATADV_IF_TO_BE_ACTIVATED))  in batadv_hardif_min_mtu()
253 		if (hard_iface->soft_iface != soft_iface)  in batadv_hardif_min_mtu()
256 		min_mtu = min_t(int, hard_iface->net_dev->mtu, min_mtu);  in batadv_hardif_min_mtu()
299 batadv_hardif_activate_interface(struct batadv_hard_iface *hard_iface)  in batadv_hardif_activate_interface()  argument
304 	if (hard_iface->if_status != BATADV_IF_INACTIVE)  in batadv_hardif_activate_interface()
307 	bat_priv = netdev_priv(hard_iface->soft_iface);  in batadv_hardif_activate_interface()
309 	bat_priv->bat_algo_ops->bat_iface_update_mac(hard_iface);  in batadv_hardif_activate_interface()
310 	hard_iface->if_status = BATADV_IF_TO_BE_ACTIVATED;  in batadv_hardif_activate_interface()
317 		batadv_primary_if_select(bat_priv, hard_iface);  in batadv_hardif_activate_interface()
319 	batadv_info(hard_iface->soft_iface, "Interface activated: %s\n",  in batadv_hardif_activate_interface()
320 		    hard_iface->net_dev->name);  in batadv_hardif_activate_interface()
322 	batadv_update_min_mtu(hard_iface->soft_iface);  in batadv_hardif_activate_interface()
330 batadv_hardif_deactivate_interface(struct batadv_hard_iface *hard_iface)  in batadv_hardif_deactivate_interface()  argument
332 	if ((hard_iface->if_status != BATADV_IF_ACTIVE) &&  in batadv_hardif_deactivate_interface()
333 	    (hard_iface->if_status != BATADV_IF_TO_BE_ACTIVATED))  in batadv_hardif_deactivate_interface()
336 	hard_iface->if_status = BATADV_IF_INACTIVE;  in batadv_hardif_deactivate_interface()
338 	batadv_info(hard_iface->soft_iface, "Interface deactivated: %s\n",  in batadv_hardif_deactivate_interface()
339 		    hard_iface->net_dev->name);  in batadv_hardif_deactivate_interface()
341 	batadv_update_min_mtu(hard_iface->soft_iface);  in batadv_hardif_deactivate_interface()
368 int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface,  in batadv_hardif_enable_interface()  argument
377 	if (hard_iface->if_status != BATADV_IF_NOT_IN_USE)  in batadv_hardif_enable_interface()
380 	if (!atomic_inc_not_zero(&hard_iface->refcount))  in batadv_hardif_enable_interface()
407 	master = netdev_master_upper_dev_get(hard_iface->net_dev);  in batadv_hardif_enable_interface()
408 	ret = batadv_master_del_slave(hard_iface, master);  in batadv_hardif_enable_interface()
412 	hard_iface->soft_iface = soft_iface;  in batadv_hardif_enable_interface()
413 	bat_priv = netdev_priv(hard_iface->soft_iface);  in batadv_hardif_enable_interface()
415 	ret = netdev_master_upper_dev_link(hard_iface->net_dev, soft_iface);  in batadv_hardif_enable_interface()
419 	ret = bat_priv->bat_algo_ops->bat_iface_enable(hard_iface);  in batadv_hardif_enable_interface()
423 	hard_iface->if_num = bat_priv->num_ifaces;  in batadv_hardif_enable_interface()
425 	hard_iface->if_status = BATADV_IF_INACTIVE;  in batadv_hardif_enable_interface()
426 	ret = batadv_orig_hash_add_if(hard_iface, bat_priv->num_ifaces);  in batadv_hardif_enable_interface()
428 		bat_priv->bat_algo_ops->bat_iface_disable(hard_iface);  in batadv_hardif_enable_interface()
430 		hard_iface->if_status = BATADV_IF_NOT_IN_USE;  in batadv_hardif_enable_interface()
434 	hard_iface->batman_adv_ptype.type = ethertype;  in batadv_hardif_enable_interface()
435 	hard_iface->batman_adv_ptype.func = batadv_batman_skb_recv;  in batadv_hardif_enable_interface()
436 	hard_iface->batman_adv_ptype.dev = hard_iface->net_dev;  in batadv_hardif_enable_interface()
437 	dev_add_pack(&hard_iface->batman_adv_ptype);  in batadv_hardif_enable_interface()
439 	batadv_info(hard_iface->soft_iface, "Adding interface: %s\n",  in batadv_hardif_enable_interface()
440 		    hard_iface->net_dev->name);  in batadv_hardif_enable_interface()
443 	    hard_iface->net_dev->mtu < ETH_DATA_LEN + max_header_len)  in batadv_hardif_enable_interface()
444 		batadv_info(hard_iface->soft_iface,  in batadv_hardif_enable_interface()
446 			    hard_iface->net_dev->name, hard_iface->net_dev->mtu,  in batadv_hardif_enable_interface()
450 	    hard_iface->net_dev->mtu < ETH_DATA_LEN + max_header_len)  in batadv_hardif_enable_interface()
451 		batadv_info(hard_iface->soft_iface,  in batadv_hardif_enable_interface()
453 			    hard_iface->net_dev->name, hard_iface->net_dev->mtu,  in batadv_hardif_enable_interface()
456 	if (batadv_hardif_is_iface_up(hard_iface))  in batadv_hardif_enable_interface()
457 		batadv_hardif_activate_interface(hard_iface);  in batadv_hardif_enable_interface()
459 		batadv_err(hard_iface->soft_iface,  in batadv_hardif_enable_interface()
461 			   hard_iface->net_dev->name);  in batadv_hardif_enable_interface()
464 	batadv_schedule_bat_ogm(hard_iface);  in batadv_hardif_enable_interface()
470 	netdev_upper_dev_unlink(hard_iface->net_dev, soft_iface);  in batadv_hardif_enable_interface()
472 	hard_iface->soft_iface = NULL;  in batadv_hardif_enable_interface()
475 	batadv_hardif_free_ref(hard_iface);  in batadv_hardif_enable_interface()
479 void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface,  in batadv_hardif_disable_interface()  argument
482 	struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);  in batadv_hardif_disable_interface()
485 	if (hard_iface->if_status == BATADV_IF_ACTIVE)  in batadv_hardif_disable_interface()
486 		batadv_hardif_deactivate_interface(hard_iface);  in batadv_hardif_disable_interface()
488 	if (hard_iface->if_status != BATADV_IF_INACTIVE)  in batadv_hardif_disable_interface()
491 	batadv_info(hard_iface->soft_iface, "Removing interface: %s\n",  in batadv_hardif_disable_interface()
492 		    hard_iface->net_dev->name);  in batadv_hardif_disable_interface()
493 	dev_remove_pack(&hard_iface->batman_adv_ptype);  in batadv_hardif_disable_interface()
496 	batadv_orig_hash_del_if(hard_iface, bat_priv->num_ifaces);  in batadv_hardif_disable_interface()
499 	if (hard_iface == primary_if) {  in batadv_hardif_disable_interface()
502 		new_if = batadv_hardif_get_active(hard_iface->soft_iface);  in batadv_hardif_disable_interface()
509 	bat_priv->bat_algo_ops->bat_iface_disable(hard_iface);  in batadv_hardif_disable_interface()
510 	hard_iface->if_status = BATADV_IF_NOT_IN_USE;  in batadv_hardif_disable_interface()
514 	batadv_purge_outstanding_packets(bat_priv, hard_iface);  in batadv_hardif_disable_interface()
515 	dev_put(hard_iface->soft_iface);  in batadv_hardif_disable_interface()
522 			batadv_softif_destroy_sysfs(hard_iface->soft_iface);  in batadv_hardif_disable_interface()
525 	netdev_upper_dev_unlink(hard_iface->net_dev, hard_iface->soft_iface);  in batadv_hardif_disable_interface()
526 	hard_iface->soft_iface = NULL;  in batadv_hardif_disable_interface()
527 	batadv_hardif_free_ref(hard_iface);  in batadv_hardif_disable_interface()
543 	struct batadv_hard_iface *hard_iface;  in batadv_hardif_remove_interface_finish()  local
545 	hard_iface = container_of(work, struct batadv_hard_iface,  in batadv_hardif_remove_interface_finish()
548 	batadv_debugfs_del_hardif(hard_iface);  in batadv_hardif_remove_interface_finish()
549 	batadv_sysfs_del_hardif(&hard_iface->hardif_obj);  in batadv_hardif_remove_interface_finish()
550 	batadv_hardif_free_ref(hard_iface);  in batadv_hardif_remove_interface_finish()
556 	struct batadv_hard_iface *hard_iface;  in batadv_hardif_add_interface()  local
567 	hard_iface = kzalloc(sizeof(*hard_iface), GFP_ATOMIC);  in batadv_hardif_add_interface()
568 	if (!hard_iface)  in batadv_hardif_add_interface()
571 	ret = batadv_sysfs_add_hardif(&hard_iface->hardif_obj, net_dev);  in batadv_hardif_add_interface()
575 	hard_iface->if_num = -1;  in batadv_hardif_add_interface()
576 	hard_iface->net_dev = net_dev;  in batadv_hardif_add_interface()
577 	hard_iface->soft_iface = NULL;  in batadv_hardif_add_interface()
578 	hard_iface->if_status = BATADV_IF_NOT_IN_USE;  in batadv_hardif_add_interface()
580 	ret = batadv_debugfs_add_hardif(hard_iface);  in batadv_hardif_add_interface()
584 	INIT_LIST_HEAD(&hard_iface->list);  in batadv_hardif_add_interface()
585 	INIT_WORK(&hard_iface->cleanup_work,  in batadv_hardif_add_interface()
588 	hard_iface->num_bcasts = BATADV_NUM_BCASTS_DEFAULT;  in batadv_hardif_add_interface()
590 		hard_iface->num_bcasts = BATADV_NUM_BCASTS_WIRELESS;  in batadv_hardif_add_interface()
593 	atomic_set(&hard_iface->refcount, 2);  in batadv_hardif_add_interface()
595 	batadv_check_known_mac_addr(hard_iface->net_dev);  in batadv_hardif_add_interface()
596 	list_add_tail_rcu(&hard_iface->list, &batadv_hardif_list);  in batadv_hardif_add_interface()
598 	return hard_iface;  in batadv_hardif_add_interface()
601 	batadv_sysfs_del_hardif(&hard_iface->hardif_obj);  in batadv_hardif_add_interface()
603 	kfree(hard_iface);  in batadv_hardif_add_interface()
610 static void batadv_hardif_remove_interface(struct batadv_hard_iface *hard_iface)  in batadv_hardif_remove_interface()  argument
615 	if (hard_iface->if_status != BATADV_IF_NOT_IN_USE)  in batadv_hardif_remove_interface()
616 		batadv_hardif_disable_interface(hard_iface,  in batadv_hardif_remove_interface()
619 	if (hard_iface->if_status != BATADV_IF_NOT_IN_USE)  in batadv_hardif_remove_interface()
622 	hard_iface->if_status = BATADV_IF_TO_BE_REMOVED;  in batadv_hardif_remove_interface()
623 	queue_work(batadv_event_workqueue, &hard_iface->cleanup_work);  in batadv_hardif_remove_interface()
628 	struct batadv_hard_iface *hard_iface, *hard_iface_tmp;  in batadv_hardif_remove_interfaces()  local
631 	list_for_each_entry_safe(hard_iface, hard_iface_tmp,  in batadv_hardif_remove_interfaces()
633 		list_del_rcu(&hard_iface->list);  in batadv_hardif_remove_interfaces()
634 		batadv_hardif_remove_interface(hard_iface);  in batadv_hardif_remove_interfaces()
643 	struct batadv_hard_iface *hard_iface;  in batadv_hard_if_event()  local
654 	hard_iface = batadv_hardif_get_by_netdev(net_dev);  in batadv_hard_if_event()
655 	if (!hard_iface && event == NETDEV_REGISTER)  in batadv_hard_if_event()
656 		hard_iface = batadv_hardif_add_interface(net_dev);  in batadv_hard_if_event()
658 	if (!hard_iface)  in batadv_hard_if_event()
663 		batadv_hardif_activate_interface(hard_iface);  in batadv_hard_if_event()
667 		batadv_hardif_deactivate_interface(hard_iface);  in batadv_hard_if_event()
670 		list_del_rcu(&hard_iface->list);  in batadv_hard_if_event()
672 		batadv_hardif_remove_interface(hard_iface);  in batadv_hard_if_event()
675 		if (hard_iface->soft_iface)  in batadv_hard_if_event()
676 			batadv_update_min_mtu(hard_iface->soft_iface);  in batadv_hard_if_event()
679 		if (hard_iface->if_status == BATADV_IF_NOT_IN_USE)  in batadv_hard_if_event()
682 		batadv_check_known_mac_addr(hard_iface->net_dev);  in batadv_hard_if_event()
684 		bat_priv = netdev_priv(hard_iface->soft_iface);  in batadv_hard_if_event()
685 		bat_priv->bat_algo_ops->bat_iface_update_mac(hard_iface);  in batadv_hard_if_event()
691 		if (hard_iface == primary_if)  in batadv_hard_if_event()
699 	batadv_hardif_free_ref(hard_iface);  in batadv_hard_if_event()