112 static void batadv_mcast_mla_list_free(struct batadv_priv *bat_priv,  in batadv_mcast_mla_list_free()  argument
118 	lockdep_assert_held(&bat_priv->tt.commit_lock);  in batadv_mcast_mla_list_free()
136 static void batadv_mcast_mla_tt_retract(struct batadv_priv *bat_priv,  in batadv_mcast_mla_tt_retract()  argument
142 	lockdep_assert_held(&bat_priv->tt.commit_lock);  in batadv_mcast_mla_tt_retract()
144 	hlist_for_each_entry_safe(mcast_entry, tmp, &bat_priv->mcast.mla_list,  in batadv_mcast_mla_tt_retract()
151 		batadv_tt_local_remove(bat_priv, mcast_entry->addr,  in batadv_mcast_mla_tt_retract()
168 static void batadv_mcast_mla_tt_add(struct batadv_priv *bat_priv,  in batadv_mcast_mla_tt_add()  argument
174 	lockdep_assert_held(&bat_priv->tt.commit_lock);  in batadv_mcast_mla_tt_add()
181 						  &bat_priv->mcast.mla_list))  in batadv_mcast_mla_tt_add()
184 		if (!batadv_tt_local_add(bat_priv->soft_iface,  in batadv_mcast_mla_tt_add()
190 		hlist_add_head(&mcast_entry->list, &bat_priv->mcast.mla_list);  in batadv_mcast_mla_tt_add()
201 static bool batadv_mcast_has_bridge(struct batadv_priv *bat_priv)  in batadv_mcast_has_bridge()  argument
203 	struct net_device *upper = bat_priv->soft_iface;  in batadv_mcast_has_bridge()
224 static bool batadv_mcast_mla_tvlv_update(struct batadv_priv *bat_priv)  in batadv_mcast_mla_tvlv_update()  argument
234 	if (batadv_mcast_has_bridge(bat_priv)) {  in batadv_mcast_mla_tvlv_update()
235 		if (bat_priv->mcast.enabled) {  in batadv_mcast_mla_tvlv_update()
236 			batadv_tvlv_container_unregister(bat_priv,  in batadv_mcast_mla_tvlv_update()
238 			bat_priv->mcast.enabled = false;  in batadv_mcast_mla_tvlv_update()
244 	if (!bat_priv->mcast.enabled ||  in batadv_mcast_mla_tvlv_update()
245 	    mcast_data.flags != bat_priv->mcast.flags) {  in batadv_mcast_mla_tvlv_update()
246 		batadv_tvlv_container_register(bat_priv, BATADV_TVLV_MCAST, 1,  in batadv_mcast_mla_tvlv_update()
248 		bat_priv->mcast.flags = mcast_data.flags;  in batadv_mcast_mla_tvlv_update()
249 		bat_priv->mcast.enabled = true;  in batadv_mcast_mla_tvlv_update()
262 void batadv_mcast_mla_update(struct batadv_priv *bat_priv)  in batadv_mcast_mla_update()  argument
264 	struct net_device *soft_iface = bat_priv->soft_iface;  in batadv_mcast_mla_update()
268 	if (!batadv_mcast_mla_tvlv_update(bat_priv))  in batadv_mcast_mla_update()
276 	batadv_mcast_mla_tt_retract(bat_priv, &mcast_list);  in batadv_mcast_mla_update()
277 	batadv_mcast_mla_tt_add(bat_priv, &mcast_list);  in batadv_mcast_mla_update()
280 	batadv_mcast_mla_list_free(bat_priv, &mcast_list);  in batadv_mcast_mla_update()
295 static int batadv_mcast_forw_mode_check_ipv4(struct batadv_priv *bat_priv,  in batadv_mcast_forw_mode_check_ipv4()  argument
333 static int batadv_mcast_forw_mode_check_ipv6(struct batadv_priv *bat_priv,  in batadv_mcast_forw_mode_check_ipv6()  argument
372 static int batadv_mcast_forw_mode_check(struct batadv_priv *bat_priv,  in batadv_mcast_forw_mode_check()  argument
378 	if (!atomic_read(&bat_priv->multicast_mode))  in batadv_mcast_forw_mode_check()
381 	if (atomic_read(&bat_priv->mcast.num_disabled))  in batadv_mcast_forw_mode_check()
386 		return batadv_mcast_forw_mode_check_ipv4(bat_priv, skb,  in batadv_mcast_forw_mode_check()
389 		return batadv_mcast_forw_mode_check_ipv6(bat_priv, skb,  in batadv_mcast_forw_mode_check()
405 static int batadv_mcast_forw_want_all_ip_count(struct batadv_priv *bat_priv,  in batadv_mcast_forw_want_all_ip_count()  argument
410 		return atomic_read(&bat_priv->mcast.num_want_all_ipv4);  in batadv_mcast_forw_want_all_ip_count()
412 		return atomic_read(&bat_priv->mcast.num_want_all_ipv6);  in batadv_mcast_forw_want_all_ip_count()
428 batadv_mcast_forw_tt_node_get(struct batadv_priv *bat_priv,  in batadv_mcast_forw_tt_node_get()  argument
431 	return batadv_transtable_search(bat_priv, ethhdr->h_source,  in batadv_mcast_forw_tt_node_get()
443 batadv_mcast_forw_ipv4_node_get(struct batadv_priv *bat_priv)  in batadv_mcast_forw_ipv4_node_get()  argument
449 				 &bat_priv->mcast.want_all_ipv4_list,  in batadv_mcast_forw_ipv4_node_get()
470 batadv_mcast_forw_ipv6_node_get(struct batadv_priv *bat_priv)  in batadv_mcast_forw_ipv6_node_get()  argument
476 				 &bat_priv->mcast.want_all_ipv6_list,  in batadv_mcast_forw_ipv6_node_get()
499 batadv_mcast_forw_ip_node_get(struct batadv_priv *bat_priv,  in batadv_mcast_forw_ip_node_get()  argument
504 		return batadv_mcast_forw_ipv4_node_get(bat_priv);  in batadv_mcast_forw_ip_node_get()
506 		return batadv_mcast_forw_ipv6_node_get(bat_priv);  in batadv_mcast_forw_ip_node_get()
521 batadv_mcast_forw_unsnoop_node_get(struct batadv_priv *bat_priv)  in batadv_mcast_forw_unsnoop_node_get()  argument
527 				 &bat_priv->mcast.want_all_unsnoopables_list,  in batadv_mcast_forw_unsnoop_node_get()
551 batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,  in batadv_mcast_forw_mode()  argument
558 	ret = batadv_mcast_forw_mode_check(bat_priv, skb, &is_unsnoopable);  in batadv_mcast_forw_mode()
566 	tt_count = batadv_tt_global_hash_count(bat_priv, ethhdr->h_dest,  in batadv_mcast_forw_mode()
568 	ip_count = batadv_mcast_forw_want_all_ip_count(bat_priv, ethhdr);  in batadv_mcast_forw_mode()
570 			atomic_read(&bat_priv->mcast.num_want_all_unsnoopables);  in batadv_mcast_forw_mode()
577 			*orig = batadv_mcast_forw_tt_node_get(bat_priv, ethhdr);  in batadv_mcast_forw_mode()
579 			*orig = batadv_mcast_forw_ip_node_get(bat_priv, ethhdr);  in batadv_mcast_forw_mode()
581 			*orig = batadv_mcast_forw_unsnoop_node_get(bat_priv);  in batadv_mcast_forw_mode()
605 static void batadv_mcast_want_unsnoop_update(struct batadv_priv *bat_priv,  in batadv_mcast_want_unsnoop_update()  argument
610 	struct hlist_head *head = &bat_priv->mcast.want_all_unsnoopables_list;  in batadv_mcast_want_unsnoop_update()
617 		atomic_inc(&bat_priv->mcast.num_want_all_unsnoopables);  in batadv_mcast_want_unsnoop_update()
619 		spin_lock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_unsnoop_update()
624 		spin_unlock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_unsnoop_update()
628 		atomic_dec(&bat_priv->mcast.num_want_all_unsnoopables);  in batadv_mcast_want_unsnoop_update()
630 		spin_lock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_unsnoop_update()
635 		spin_unlock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_unsnoop_update()
650 static void batadv_mcast_want_ipv4_update(struct batadv_priv *bat_priv,  in batadv_mcast_want_ipv4_update()  argument
655 	struct hlist_head *head = &bat_priv->mcast.want_all_ipv4_list;  in batadv_mcast_want_ipv4_update()
662 		atomic_inc(&bat_priv->mcast.num_want_all_ipv4);  in batadv_mcast_want_ipv4_update()
664 		spin_lock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_ipv4_update()
669 		spin_unlock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_ipv4_update()
673 		atomic_dec(&bat_priv->mcast.num_want_all_ipv4);  in batadv_mcast_want_ipv4_update()
675 		spin_lock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_ipv4_update()
680 		spin_unlock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_ipv4_update()
695 static void batadv_mcast_want_ipv6_update(struct batadv_priv *bat_priv,  in batadv_mcast_want_ipv6_update()  argument
700 	struct hlist_head *head = &bat_priv->mcast.want_all_ipv6_list;  in batadv_mcast_want_ipv6_update()
707 		atomic_inc(&bat_priv->mcast.num_want_all_ipv6);  in batadv_mcast_want_ipv6_update()
709 		spin_lock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_ipv6_update()
714 		spin_unlock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_ipv6_update()
718 		atomic_dec(&bat_priv->mcast.num_want_all_ipv6);  in batadv_mcast_want_ipv6_update()
720 		spin_lock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_ipv6_update()
725 		spin_unlock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_ipv6_update()
737 static void batadv_mcast_tvlv_ogm_handler_v1(struct batadv_priv *bat_priv,  in batadv_mcast_tvlv_ogm_handler_v1()  argument
762 			atomic_dec(&bat_priv->mcast.num_disabled);  in batadv_mcast_tvlv_ogm_handler_v1()
771 		atomic_inc(&bat_priv->mcast.num_disabled);  in batadv_mcast_tvlv_ogm_handler_v1()
777 	batadv_mcast_want_unsnoop_update(bat_priv, orig, mcast_flags);  in batadv_mcast_tvlv_ogm_handler_v1()
778 	batadv_mcast_want_ipv4_update(bat_priv, orig, mcast_flags);  in batadv_mcast_tvlv_ogm_handler_v1()
779 	batadv_mcast_want_ipv6_update(bat_priv, orig, mcast_flags);  in batadv_mcast_tvlv_ogm_handler_v1()
789 void batadv_mcast_init(struct batadv_priv *bat_priv)  in batadv_mcast_init()  argument
791 	batadv_tvlv_handler_register(bat_priv, batadv_mcast_tvlv_ogm_handler_v1,  in batadv_mcast_init()
800 void batadv_mcast_free(struct batadv_priv *bat_priv)  in batadv_mcast_free()  argument
802 	batadv_tvlv_container_unregister(bat_priv, BATADV_TVLV_MCAST, 1);  in batadv_mcast_free()
803 	batadv_tvlv_handler_unregister(bat_priv, BATADV_TVLV_MCAST, 1);  in batadv_mcast_free()
805 	batadv_mcast_mla_tt_retract(bat_priv, NULL);  in batadv_mcast_free()
814 	struct batadv_priv *bat_priv = orig->bat_priv;  in batadv_mcast_purge_orig()  local
820 		atomic_dec(&bat_priv->mcast.num_disabled);  in batadv_mcast_purge_orig()
822 	batadv_mcast_want_unsnoop_update(bat_priv, orig, BATADV_NO_FLAGS);  in batadv_mcast_purge_orig()
823 	batadv_mcast_want_ipv4_update(bat_priv, orig, BATADV_NO_FLAGS);  in batadv_mcast_purge_orig()
824 	batadv_mcast_want_ipv6_update(bat_priv, orig, BATADV_NO_FLAGS);  in batadv_mcast_purge_orig()