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()
123 	struct batadv_hard_iface *hard_iface;  in batadv_hardif_get_active()  local
126 	list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {  in batadv_hardif_get_active()
127 		if (hard_iface->soft_iface != soft_iface)  in batadv_hardif_get_active()
130 		if (hard_iface->if_status == BATADV_IF_ACTIVE &&  in batadv_hardif_get_active()
131 		    atomic_inc_not_zero(&hard_iface->refcount))  in batadv_hardif_get_active()
135 	hard_iface = NULL;  in batadv_hardif_get_active()
139 	return hard_iface;  in batadv_hardif_get_active()
192 batadv_hardif_is_iface_up(const struct batadv_hard_iface *hard_iface)  in batadv_hardif_is_iface_up()  argument
194 	if (hard_iface->net_dev->flags & IFF_UP)  in batadv_hardif_is_iface_up()
202 	const struct batadv_hard_iface *hard_iface;  in batadv_check_known_mac_addr()  local
205 	list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {  in batadv_check_known_mac_addr()
206 		if ((hard_iface->if_status != BATADV_IF_ACTIVE) &&  in batadv_check_known_mac_addr()
207 		    (hard_iface->if_status != BATADV_IF_TO_BE_ACTIVATED))  in batadv_check_known_mac_addr()
210 		if (hard_iface->net_dev == net_dev)  in batadv_check_known_mac_addr()
213 		if (!batadv_compare_eth(hard_iface->net_dev->dev_addr,  in batadv_check_known_mac_addr()
218 			net_dev->dev_addr, hard_iface->net_dev->name);  in batadv_check_known_mac_addr()
227 	const struct batadv_hard_iface *hard_iface;  in batadv_hardif_min_mtu()  local
237 	list_for_each_entry_rcu(hard_iface, &batadv_hardif_list, list) {  in batadv_hardif_min_mtu()
238 		if ((hard_iface->if_status != BATADV_IF_ACTIVE) &&  in batadv_hardif_min_mtu()
239 		    (hard_iface->if_status != BATADV_IF_TO_BE_ACTIVATED))  in batadv_hardif_min_mtu()
242 		if (hard_iface->soft_iface != soft_iface)  in batadv_hardif_min_mtu()
246 				hard_iface->net_dev->mtu - BATADV_HEADER_LEN,  in batadv_hardif_min_mtu()
265 batadv_hardif_activate_interface(struct batadv_hard_iface *hard_iface)  in batadv_hardif_activate_interface()  argument
270 	if (hard_iface->if_status != BATADV_IF_INACTIVE)  in batadv_hardif_activate_interface()
273 	bat_priv = netdev_priv(hard_iface->soft_iface);  in batadv_hardif_activate_interface()
275 	bat_priv->bat_algo_ops->bat_iface_update_mac(hard_iface);  in batadv_hardif_activate_interface()
276 	hard_iface->if_status = BATADV_IF_TO_BE_ACTIVATED;  in batadv_hardif_activate_interface()
283 		batadv_primary_if_select(bat_priv, hard_iface);  in batadv_hardif_activate_interface()
285 	batadv_info(hard_iface->soft_iface, "Interface activated: %s\n",  in batadv_hardif_activate_interface()
286 		    hard_iface->net_dev->name);  in batadv_hardif_activate_interface()
288 	batadv_update_min_mtu(hard_iface->soft_iface);  in batadv_hardif_activate_interface()
296 batadv_hardif_deactivate_interface(struct batadv_hard_iface *hard_iface)  in batadv_hardif_deactivate_interface()  argument
298 	if ((hard_iface->if_status != BATADV_IF_ACTIVE) &&  in batadv_hardif_deactivate_interface()
299 	    (hard_iface->if_status != BATADV_IF_TO_BE_ACTIVATED))  in batadv_hardif_deactivate_interface()
302 	hard_iface->if_status = BATADV_IF_INACTIVE;  in batadv_hardif_deactivate_interface()
304 	batadv_info(hard_iface->soft_iface, "Interface deactivated: %s\n",  in batadv_hardif_deactivate_interface()
305 		    hard_iface->net_dev->name);  in batadv_hardif_deactivate_interface()
307 	batadv_update_min_mtu(hard_iface->soft_iface);  in batadv_hardif_deactivate_interface()
334 int batadv_hardif_enable_interface(struct batadv_hard_iface *hard_iface,  in batadv_hardif_enable_interface()  argument
342 	if (hard_iface->if_status != BATADV_IF_NOT_IN_USE)  in batadv_hardif_enable_interface()
345 	if (!atomic_inc_not_zero(&hard_iface->refcount))  in batadv_hardif_enable_interface()
372 	master = netdev_master_upper_dev_get(hard_iface->net_dev);  in batadv_hardif_enable_interface()
373 	ret = batadv_master_del_slave(hard_iface, master);  in batadv_hardif_enable_interface()
377 	hard_iface->soft_iface = soft_iface;  in batadv_hardif_enable_interface()
378 	bat_priv = netdev_priv(hard_iface->soft_iface);  in batadv_hardif_enable_interface()
380 	ret = netdev_master_upper_dev_link(hard_iface->net_dev, soft_iface);  in batadv_hardif_enable_interface()
384 	ret = bat_priv->bat_algo_ops->bat_iface_enable(hard_iface);  in batadv_hardif_enable_interface()
388 	hard_iface->if_num = bat_priv->num_ifaces;  in batadv_hardif_enable_interface()
390 	hard_iface->if_status = BATADV_IF_INACTIVE;  in batadv_hardif_enable_interface()
391 	ret = batadv_orig_hash_add_if(hard_iface, bat_priv->num_ifaces);  in batadv_hardif_enable_interface()
393 		bat_priv->bat_algo_ops->bat_iface_disable(hard_iface);  in batadv_hardif_enable_interface()
395 		hard_iface->if_status = BATADV_IF_NOT_IN_USE;  in batadv_hardif_enable_interface()
399 	hard_iface->batman_adv_ptype.type = ethertype;  in batadv_hardif_enable_interface()
400 	hard_iface->batman_adv_ptype.func = batadv_batman_skb_recv;  in batadv_hardif_enable_interface()
401 	hard_iface->batman_adv_ptype.dev = hard_iface->net_dev;  in batadv_hardif_enable_interface()
402 	dev_add_pack(&hard_iface->batman_adv_ptype);  in batadv_hardif_enable_interface()
404 	atomic_set(&hard_iface->frag_seqno, 1);  in batadv_hardif_enable_interface()
405 	batadv_info(hard_iface->soft_iface, "Adding interface: %s\n",  in batadv_hardif_enable_interface()
406 		    hard_iface->net_dev->name);  in batadv_hardif_enable_interface()
409 	    hard_iface->net_dev->mtu < ETH_DATA_LEN + BATADV_HEADER_LEN)  in batadv_hardif_enable_interface()
410 		batadv_info(hard_iface->soft_iface,  in batadv_hardif_enable_interface()
412 			    hard_iface->net_dev->name, hard_iface->net_dev->mtu,  in batadv_hardif_enable_interface()
416 	    hard_iface->net_dev->mtu < ETH_DATA_LEN + BATADV_HEADER_LEN)  in batadv_hardif_enable_interface()
417 		batadv_info(hard_iface->soft_iface,  in batadv_hardif_enable_interface()
419 			    hard_iface->net_dev->name, hard_iface->net_dev->mtu,  in batadv_hardif_enable_interface()
422 	if (batadv_hardif_is_iface_up(hard_iface))  in batadv_hardif_enable_interface()
423 		batadv_hardif_activate_interface(hard_iface);  in batadv_hardif_enable_interface()
425 		batadv_err(hard_iface->soft_iface,  in batadv_hardif_enable_interface()
427 			   hard_iface->net_dev->name);  in batadv_hardif_enable_interface()
430 	batadv_schedule_bat_ogm(hard_iface);  in batadv_hardif_enable_interface()
436 	netdev_upper_dev_unlink(hard_iface->net_dev, soft_iface);  in batadv_hardif_enable_interface()
438 	hard_iface->soft_iface = NULL;  in batadv_hardif_enable_interface()
441 	batadv_hardif_free_ref(hard_iface);  in batadv_hardif_enable_interface()
445 void batadv_hardif_disable_interface(struct batadv_hard_iface *hard_iface,  in batadv_hardif_disable_interface()  argument
448 	struct batadv_priv *bat_priv = netdev_priv(hard_iface->soft_iface);  in batadv_hardif_disable_interface()
451 	if (hard_iface->if_status == BATADV_IF_ACTIVE)  in batadv_hardif_disable_interface()
452 		batadv_hardif_deactivate_interface(hard_iface);  in batadv_hardif_disable_interface()
454 	if (hard_iface->if_status != BATADV_IF_INACTIVE)  in batadv_hardif_disable_interface()
457 	batadv_info(hard_iface->soft_iface, "Removing interface: %s\n",  in batadv_hardif_disable_interface()
458 		    hard_iface->net_dev->name);  in batadv_hardif_disable_interface()
459 	dev_remove_pack(&hard_iface->batman_adv_ptype);  in batadv_hardif_disable_interface()
462 	batadv_orig_hash_del_if(hard_iface, bat_priv->num_ifaces);  in batadv_hardif_disable_interface()
465 	if (hard_iface == primary_if) {  in batadv_hardif_disable_interface()
468 		new_if = batadv_hardif_get_active(hard_iface->soft_iface);  in batadv_hardif_disable_interface()
475 	bat_priv->bat_algo_ops->bat_iface_disable(hard_iface);  in batadv_hardif_disable_interface()
476 	hard_iface->if_status = BATADV_IF_NOT_IN_USE;  in batadv_hardif_disable_interface()
480 	batadv_purge_outstanding_packets(bat_priv, hard_iface);  in batadv_hardif_disable_interface()
481 	dev_put(hard_iface->soft_iface);  in batadv_hardif_disable_interface()
485 		batadv_softif_destroy_sysfs(hard_iface->soft_iface);  in batadv_hardif_disable_interface()
487 	netdev_upper_dev_unlink(hard_iface->net_dev, hard_iface->soft_iface);  in batadv_hardif_disable_interface()
488 	hard_iface->soft_iface = NULL;  in batadv_hardif_disable_interface()
489 	batadv_hardif_free_ref(hard_iface);  in batadv_hardif_disable_interface()
505 	struct batadv_hard_iface *hard_iface;  in batadv_hardif_remove_interface_finish()  local
507 	hard_iface = container_of(work, struct batadv_hard_iface,  in batadv_hardif_remove_interface_finish()
510 	batadv_sysfs_del_hardif(&hard_iface->hardif_obj);  in batadv_hardif_remove_interface_finish()
511 	batadv_hardif_free_ref(hard_iface);  in batadv_hardif_remove_interface_finish()
517 	struct batadv_hard_iface *hard_iface;  in batadv_hardif_add_interface()  local
528 	hard_iface = kmalloc(sizeof(*hard_iface), GFP_ATOMIC);  in batadv_hardif_add_interface()
529 	if (!hard_iface)  in batadv_hardif_add_interface()
532 	ret = batadv_sysfs_add_hardif(&hard_iface->hardif_obj, net_dev);  in batadv_hardif_add_interface()
536 	hard_iface->if_num = -1;  in batadv_hardif_add_interface()
537 	hard_iface->net_dev = net_dev;  in batadv_hardif_add_interface()
538 	hard_iface->soft_iface = NULL;  in batadv_hardif_add_interface()
539 	hard_iface->if_status = BATADV_IF_NOT_IN_USE;  in batadv_hardif_add_interface()
540 	INIT_LIST_HEAD(&hard_iface->list);  in batadv_hardif_add_interface()
541 	INIT_WORK(&hard_iface->cleanup_work,  in batadv_hardif_add_interface()
545 	atomic_set(&hard_iface->refcount, 2);  in batadv_hardif_add_interface()
547 	batadv_check_known_mac_addr(hard_iface->net_dev);  in batadv_hardif_add_interface()
548 	list_add_tail_rcu(&hard_iface->list, &batadv_hardif_list);  in batadv_hardif_add_interface()
553 	atomic_set(&hard_iface->bat_iv.ogm_seqno, 1);  in batadv_hardif_add_interface()
554 	hard_iface->bat_iv.ogm_buff = NULL;  in batadv_hardif_add_interface()
556 	return hard_iface;  in batadv_hardif_add_interface()
559 	kfree(hard_iface);  in batadv_hardif_add_interface()
566 static void batadv_hardif_remove_interface(struct batadv_hard_iface *hard_iface)  in batadv_hardif_remove_interface()  argument
571 	if (hard_iface->if_status != BATADV_IF_NOT_IN_USE)  in batadv_hardif_remove_interface()
572 		batadv_hardif_disable_interface(hard_iface,  in batadv_hardif_remove_interface()
575 	if (hard_iface->if_status != BATADV_IF_NOT_IN_USE)  in batadv_hardif_remove_interface()
578 	hard_iface->if_status = BATADV_IF_TO_BE_REMOVED;  in batadv_hardif_remove_interface()
579 	queue_work(batadv_event_workqueue, &hard_iface->cleanup_work);  in batadv_hardif_remove_interface()
584 	struct batadv_hard_iface *hard_iface, *hard_iface_tmp;  in batadv_hardif_remove_interfaces()  local
587 	list_for_each_entry_safe(hard_iface, hard_iface_tmp,  in batadv_hardif_remove_interfaces()
589 		list_del_rcu(&hard_iface->list);  in batadv_hardif_remove_interfaces()
590 		batadv_hardif_remove_interface(hard_iface);  in batadv_hardif_remove_interfaces()
599 	struct batadv_hard_iface *hard_iface;  in batadv_hard_if_event()  local
608 	hard_iface = batadv_hardif_get_by_netdev(net_dev);  in batadv_hard_if_event()
609 	if (!hard_iface && event == NETDEV_REGISTER)  in batadv_hard_if_event()
610 		hard_iface = batadv_hardif_add_interface(net_dev);  in batadv_hard_if_event()
612 	if (!hard_iface)  in batadv_hard_if_event()
617 		batadv_hardif_activate_interface(hard_iface);  in batadv_hard_if_event()
621 		batadv_hardif_deactivate_interface(hard_iface);  in batadv_hard_if_event()
624 		list_del_rcu(&hard_iface->list);  in batadv_hard_if_event()
626 		batadv_hardif_remove_interface(hard_iface);  in batadv_hard_if_event()
629 		if (hard_iface->soft_iface)  in batadv_hard_if_event()
630 			batadv_update_min_mtu(hard_iface->soft_iface);  in batadv_hard_if_event()
633 		if (hard_iface->if_status == BATADV_IF_NOT_IN_USE)  in batadv_hard_if_event()
636 		batadv_check_known_mac_addr(hard_iface->net_dev);  in batadv_hard_if_event()
638 		bat_priv = netdev_priv(hard_iface->soft_iface);  in batadv_hard_if_event()
639 		bat_priv->bat_algo_ops->bat_iface_update_mac(hard_iface);  in batadv_hard_if_event()
645 		if (hard_iface == primary_if)  in batadv_hard_if_event()
653 	batadv_hardif_free_ref(hard_iface);  in batadv_hard_if_event()