79 static void batadv_mcast_start_timer(struct batadv_priv *bat_priv)  in batadv_mcast_start_timer()  argument
81 	queue_delayed_work(batadv_event_workqueue, &bat_priv->mcast.work,  in batadv_mcast_start_timer()
158 static int batadv_mcast_mla_softif_get(struct batadv_priv *bat_priv,  in batadv_mcast_mla_softif_get()  argument
162 	bool all_ipv4 = bat_priv->mcast.flags & BATADV_MCAST_WANT_ALL_IPV4;  in batadv_mcast_mla_softif_get()
163 	bool all_ipv6 = bat_priv->mcast.flags & BATADV_MCAST_WANT_ALL_IPV6;  in batadv_mcast_mla_softif_get()
253 static int batadv_mcast_mla_bridge_get(struct batadv_priv *bat_priv,  in batadv_mcast_mla_bridge_get()  argument
258 	bool all_ipv4 = bat_priv->mcast.flags & BATADV_MCAST_WANT_ALL_IPV4;  in batadv_mcast_mla_bridge_get()
259 	bool all_ipv6 = bat_priv->mcast.flags & BATADV_MCAST_WANT_ALL_IPV6;  in batadv_mcast_mla_bridge_get()
331 static void batadv_mcast_mla_tt_retract(struct batadv_priv *bat_priv,  in batadv_mcast_mla_tt_retract()  argument
337 	WARN_ON(delayed_work_pending(&bat_priv->mcast.work));  in batadv_mcast_mla_tt_retract()
339 	hlist_for_each_entry_safe(mcast_entry, tmp, &bat_priv->mcast.mla_list,  in batadv_mcast_mla_tt_retract()
346 		batadv_tt_local_remove(bat_priv, mcast_entry->addr,  in batadv_mcast_mla_tt_retract()
365 static void batadv_mcast_mla_tt_add(struct batadv_priv *bat_priv,  in batadv_mcast_mla_tt_add()  argument
371 	WARN_ON(delayed_work_pending(&bat_priv->mcast.work));  in batadv_mcast_mla_tt_add()
378 						  &bat_priv->mcast.mla_list))  in batadv_mcast_mla_tt_add()
381 		if (!batadv_tt_local_add(bat_priv->soft_iface,  in batadv_mcast_mla_tt_add()
387 		hlist_add_head(&mcast_entry->list, &bat_priv->mcast.mla_list);  in batadv_mcast_mla_tt_add()
399 static bool batadv_mcast_has_bridge(struct batadv_priv *bat_priv)  in batadv_mcast_has_bridge()  argument
401 	struct net_device *upper = bat_priv->soft_iface;  in batadv_mcast_has_bridge()
435 batadv_mcast_querier_log(struct batadv_priv *bat_priv, char *str_proto,  in batadv_mcast_querier_log()  argument
440 		batadv_info(bat_priv->soft_iface, "%s Querier appeared\n",  in batadv_mcast_querier_log()
443 		batadv_info(bat_priv->soft_iface,  in batadv_mcast_querier_log()
446 	else if (!bat_priv->mcast.bridged && !new_state->exists)  in batadv_mcast_querier_log()
447 		batadv_info(bat_priv->soft_iface,  in batadv_mcast_querier_log()
454 			batadv_dbg(BATADV_DBG_MCAST, bat_priv,  in batadv_mcast_querier_log()
458 			batadv_dbg(BATADV_DBG_MCAST, bat_priv,  in batadv_mcast_querier_log()
483 batadv_mcast_bridge_log(struct batadv_priv *bat_priv, bool bridged,  in batadv_mcast_bridge_log()  argument
487 	if (!bat_priv->mcast.bridged && bridged)  in batadv_mcast_bridge_log()
488 		batadv_dbg(BATADV_DBG_MCAST, bat_priv,  in batadv_mcast_bridge_log()
490 	else if (bat_priv->mcast.bridged && !bridged)  in batadv_mcast_bridge_log()
491 		batadv_dbg(BATADV_DBG_MCAST, bat_priv,  in batadv_mcast_bridge_log()
495 		batadv_mcast_querier_log(bat_priv, "IGMP",  in batadv_mcast_bridge_log()
496 					 &bat_priv->mcast.querier_ipv4,  in batadv_mcast_bridge_log()
498 		batadv_mcast_querier_log(bat_priv, "MLD",  in batadv_mcast_bridge_log()
499 					 &bat_priv->mcast.querier_ipv6,  in batadv_mcast_bridge_log()
512 static void batadv_mcast_flags_log(struct batadv_priv *bat_priv, u8 flags)  in batadv_mcast_flags_log()  argument
514 	u8 old_flags = bat_priv->mcast.flags;  in batadv_mcast_flags_log()
522 	batadv_dbg(BATADV_DBG_MCAST, bat_priv,  in batadv_mcast_flags_log()
524 		   bat_priv->mcast.enabled ? str_old_flags : "<undefined>",  in batadv_mcast_flags_log()
540 static bool batadv_mcast_mla_tvlv_update(struct batadv_priv *bat_priv)  in batadv_mcast_mla_tvlv_update()  argument
545 	struct net_device *dev = bat_priv->soft_iface;  in batadv_mcast_mla_tvlv_update()
551 	bridged = batadv_mcast_has_bridge(bat_priv);  in batadv_mcast_mla_tvlv_update()
582 	batadv_mcast_bridge_log(bat_priv, bridged, &querier4, &querier6);  in batadv_mcast_mla_tvlv_update()
584 	bat_priv->mcast.querier_ipv4.exists = querier4.exists;  in batadv_mcast_mla_tvlv_update()
585 	bat_priv->mcast.querier_ipv4.shadowing = querier4.shadowing;  in batadv_mcast_mla_tvlv_update()
587 	bat_priv->mcast.querier_ipv6.exists = querier6.exists;  in batadv_mcast_mla_tvlv_update()
588 	bat_priv->mcast.querier_ipv6.shadowing = querier6.shadowing;  in batadv_mcast_mla_tvlv_update()
590 	bat_priv->mcast.bridged = bridged;  in batadv_mcast_mla_tvlv_update()
592 	if (!bat_priv->mcast.enabled ||  in batadv_mcast_mla_tvlv_update()
593 	    mcast_data.flags != bat_priv->mcast.flags) {  in batadv_mcast_mla_tvlv_update()
594 		batadv_mcast_flags_log(bat_priv, mcast_data.flags);  in batadv_mcast_mla_tvlv_update()
595 		batadv_tvlv_container_register(bat_priv, BATADV_TVLV_MCAST, 2,  in batadv_mcast_mla_tvlv_update()
597 		bat_priv->mcast.flags = mcast_data.flags;  in batadv_mcast_mla_tvlv_update()
598 		bat_priv->mcast.enabled = true;  in batadv_mcast_mla_tvlv_update()
617 static void __batadv_mcast_mla_update(struct batadv_priv *bat_priv)  in __batadv_mcast_mla_update()  argument
619 	struct net_device *soft_iface = bat_priv->soft_iface;  in __batadv_mcast_mla_update()
623 	if (!batadv_mcast_mla_tvlv_update(bat_priv))  in __batadv_mcast_mla_update()
626 	ret = batadv_mcast_mla_softif_get(bat_priv, soft_iface, &mcast_list);  in __batadv_mcast_mla_update()
630 	ret = batadv_mcast_mla_bridge_get(bat_priv, soft_iface, &mcast_list);  in __batadv_mcast_mla_update()
635 	batadv_mcast_mla_tt_retract(bat_priv, &mcast_list);  in __batadv_mcast_mla_update()
636 	batadv_mcast_mla_tt_add(bat_priv, &mcast_list);  in __batadv_mcast_mla_update()
655 	struct batadv_priv *bat_priv;  in batadv_mcast_mla_update()  local
659 	bat_priv = container_of(priv_mcast, struct batadv_priv, mcast);  in batadv_mcast_mla_update()
661 	__batadv_mcast_mla_update(bat_priv);  in batadv_mcast_mla_update()
662 	batadv_mcast_start_timer(bat_priv);  in batadv_mcast_mla_update()
703 static int batadv_mcast_forw_mode_check_ipv4(struct batadv_priv *bat_priv,  in batadv_mcast_forw_mode_check_ipv4()  argument
768 static int batadv_mcast_forw_mode_check_ipv6(struct batadv_priv *bat_priv,  in batadv_mcast_forw_mode_check_ipv6()  argument
809 static int batadv_mcast_forw_mode_check(struct batadv_priv *bat_priv,  in batadv_mcast_forw_mode_check()  argument
815 	if (!atomic_read(&bat_priv->multicast_mode))  in batadv_mcast_forw_mode_check()
820 		return batadv_mcast_forw_mode_check_ipv4(bat_priv, skb,  in batadv_mcast_forw_mode_check()
826 		return batadv_mcast_forw_mode_check_ipv6(bat_priv, skb,  in batadv_mcast_forw_mode_check()
843 static int batadv_mcast_forw_want_all_ip_count(struct batadv_priv *bat_priv,  in batadv_mcast_forw_want_all_ip_count()  argument
848 		return atomic_read(&bat_priv->mcast.num_want_all_ipv4);  in batadv_mcast_forw_want_all_ip_count()
850 		return atomic_read(&bat_priv->mcast.num_want_all_ipv6);  in batadv_mcast_forw_want_all_ip_count()
866 batadv_mcast_forw_tt_node_get(struct batadv_priv *bat_priv,  in batadv_mcast_forw_tt_node_get()  argument
869 	return batadv_transtable_search(bat_priv, NULL, ethhdr->h_dest,  in batadv_mcast_forw_tt_node_get()
881 batadv_mcast_forw_ipv4_node_get(struct batadv_priv *bat_priv)  in batadv_mcast_forw_ipv4_node_get()  argument
887 				 &bat_priv->mcast.want_all_ipv4_list,  in batadv_mcast_forw_ipv4_node_get()
908 batadv_mcast_forw_ipv6_node_get(struct batadv_priv *bat_priv)  in batadv_mcast_forw_ipv6_node_get()  argument
914 				 &bat_priv->mcast.want_all_ipv6_list,  in batadv_mcast_forw_ipv6_node_get()
937 batadv_mcast_forw_ip_node_get(struct batadv_priv *bat_priv,  in batadv_mcast_forw_ip_node_get()  argument
942 		return batadv_mcast_forw_ipv4_node_get(bat_priv);  in batadv_mcast_forw_ip_node_get()
944 		return batadv_mcast_forw_ipv6_node_get(bat_priv);  in batadv_mcast_forw_ip_node_get()
959 batadv_mcast_forw_unsnoop_node_get(struct batadv_priv *bat_priv)  in batadv_mcast_forw_unsnoop_node_get()  argument
965 				 &bat_priv->mcast.want_all_unsnoopables_list,  in batadv_mcast_forw_unsnoop_node_get()
989 batadv_mcast_forw_mode(struct batadv_priv *bat_priv, struct sk_buff *skb,  in batadv_mcast_forw_mode()  argument
996 	ret = batadv_mcast_forw_mode_check(bat_priv, skb, &is_unsnoopable);  in batadv_mcast_forw_mode()
1004 	tt_count = batadv_tt_global_hash_count(bat_priv, ethhdr->h_dest,  in batadv_mcast_forw_mode()
1006 	ip_count = batadv_mcast_forw_want_all_ip_count(bat_priv, ethhdr);  in batadv_mcast_forw_mode()
1008 			atomic_read(&bat_priv->mcast.num_want_all_unsnoopables);  in batadv_mcast_forw_mode()
1015 			*orig = batadv_mcast_forw_tt_node_get(bat_priv, ethhdr);  in batadv_mcast_forw_mode()
1017 			*orig = batadv_mcast_forw_ip_node_get(bat_priv, ethhdr);  in batadv_mcast_forw_mode()
1019 			*orig = batadv_mcast_forw_unsnoop_node_get(bat_priv);  in batadv_mcast_forw_mode()
1043 static void batadv_mcast_want_unsnoop_update(struct batadv_priv *bat_priv,  in batadv_mcast_want_unsnoop_update()  argument
1048 	struct hlist_head *head = &bat_priv->mcast.want_all_unsnoopables_list;  in batadv_mcast_want_unsnoop_update()
1055 		atomic_inc(&bat_priv->mcast.num_want_all_unsnoopables);  in batadv_mcast_want_unsnoop_update()
1057 		spin_lock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_unsnoop_update()
1062 		spin_unlock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_unsnoop_update()
1066 		atomic_dec(&bat_priv->mcast.num_want_all_unsnoopables);  in batadv_mcast_want_unsnoop_update()
1068 		spin_lock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_unsnoop_update()
1073 		spin_unlock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_unsnoop_update()
1088 static void batadv_mcast_want_ipv4_update(struct batadv_priv *bat_priv,  in batadv_mcast_want_ipv4_update()  argument
1093 	struct hlist_head *head = &bat_priv->mcast.want_all_ipv4_list;  in batadv_mcast_want_ipv4_update()
1100 		atomic_inc(&bat_priv->mcast.num_want_all_ipv4);  in batadv_mcast_want_ipv4_update()
1102 		spin_lock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_ipv4_update()
1107 		spin_unlock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_ipv4_update()
1111 		atomic_dec(&bat_priv->mcast.num_want_all_ipv4);  in batadv_mcast_want_ipv4_update()
1113 		spin_lock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_ipv4_update()
1118 		spin_unlock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_ipv4_update()
1133 static void batadv_mcast_want_ipv6_update(struct batadv_priv *bat_priv,  in batadv_mcast_want_ipv6_update()  argument
1138 	struct hlist_head *head = &bat_priv->mcast.want_all_ipv6_list;  in batadv_mcast_want_ipv6_update()
1145 		atomic_inc(&bat_priv->mcast.num_want_all_ipv6);  in batadv_mcast_want_ipv6_update()
1147 		spin_lock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_ipv6_update()
1152 		spin_unlock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_ipv6_update()
1156 		atomic_dec(&bat_priv->mcast.num_want_all_ipv6);  in batadv_mcast_want_ipv6_update()
1158 		spin_lock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_ipv6_update()
1163 		spin_unlock_bh(&bat_priv->mcast.want_lists_lock);  in batadv_mcast_want_ipv6_update()
1175 static void batadv_mcast_tvlv_ogm_handler(struct batadv_priv *bat_priv,  in batadv_mcast_tvlv_ogm_handler()  argument
1205 	batadv_mcast_want_unsnoop_update(bat_priv, orig, mcast_flags);  in batadv_mcast_tvlv_ogm_handler()
1206 	batadv_mcast_want_ipv4_update(bat_priv, orig, mcast_flags);  in batadv_mcast_tvlv_ogm_handler()
1207 	batadv_mcast_want_ipv6_update(bat_priv, orig, mcast_flags);  in batadv_mcast_tvlv_ogm_handler()
1217 void batadv_mcast_init(struct batadv_priv *bat_priv)  in batadv_mcast_init()  argument
1219 	batadv_tvlv_handler_register(bat_priv, batadv_mcast_tvlv_ogm_handler,  in batadv_mcast_init()
1223 	INIT_DELAYED_WORK(&bat_priv->mcast.work, batadv_mcast_mla_update);  in batadv_mcast_init()
1224 	batadv_mcast_start_timer(bat_priv);  in batadv_mcast_init()
1237 static void batadv_mcast_flags_print_header(struct batadv_priv *bat_priv,  in batadv_mcast_flags_print_header()  argument
1240 	u8 flags = bat_priv->mcast.flags;  in batadv_mcast_flags_print_header()
1242 	bool bridged = bat_priv->mcast.bridged;  in batadv_mcast_flags_print_header()
1245 		querier4 = bat_priv->mcast.querier_ipv4.exists ? '.' : '4';  in batadv_mcast_flags_print_header()
1246 		querier6 = bat_priv->mcast.querier_ipv6.exists ? '.' : '6';  in batadv_mcast_flags_print_header()
1247 		shadowing4 = bat_priv->mcast.querier_ipv4.shadowing ? '4' : '.';  in batadv_mcast_flags_print_header()
1248 		shadowing6 = bat_priv->mcast.querier_ipv6.shadowing ? '6' : '.';  in batadv_mcast_flags_print_header()
1282 	struct batadv_priv *bat_priv = netdev_priv(net_dev);  in batadv_mcast_flags_seq_print_text()  local
1284 	struct batadv_hashtable *hash = bat_priv->orig_hash;  in batadv_mcast_flags_seq_print_text()
1294 	batadv_mcast_flags_print_header(bat_priv, seq);  in batadv_mcast_flags_seq_print_text()
1338 			       struct batadv_priv *bat_priv)  in batadv_mcast_mesh_info_put()  argument
1340 	u32 flags = bat_priv->mcast.flags;  in batadv_mcast_mesh_info_put()
1343 	if (bat_priv->mcast.bridged) {  in batadv_mcast_mesh_info_put()
1346 		if (bat_priv->mcast.querier_ipv4.exists)  in batadv_mcast_mesh_info_put()
1348 		if (bat_priv->mcast.querier_ipv6.exists)  in batadv_mcast_mesh_info_put()
1350 		if (bat_priv->mcast.querier_ipv4.shadowing)  in batadv_mcast_mesh_info_put()
1352 		if (bat_priv->mcast.querier_ipv6.shadowing)  in batadv_mcast_mesh_info_put()
1459 			  struct batadv_priv *bat_priv, long *bucket, long *idx)  in __batadv_mcast_flags_dump()  argument
1461 	struct batadv_hashtable *hash = bat_priv->orig_hash;  in __batadv_mcast_flags_dump()
1498 	struct batadv_priv *bat_priv;  in batadv_mcast_netlink_get_primary()  local
1512 	bat_priv = netdev_priv(soft_iface);  in batadv_mcast_netlink_get_primary()
1514 	hard_iface = batadv_primary_if_get_selected(bat_priv);  in batadv_mcast_netlink_get_primary()
1543 	struct batadv_priv *bat_priv;  in batadv_mcast_flags_dump()  local
1552 	bat_priv = netdev_priv(primary_if->soft_iface);  in batadv_mcast_flags_dump()
1554 					bat_priv, bucket, idx);  in batadv_mcast_flags_dump()
1564 void batadv_mcast_free(struct batadv_priv *bat_priv)  in batadv_mcast_free()  argument
1566 	cancel_delayed_work_sync(&bat_priv->mcast.work);  in batadv_mcast_free()
1568 	batadv_tvlv_container_unregister(bat_priv, BATADV_TVLV_MCAST, 2);  in batadv_mcast_free()
1569 	batadv_tvlv_handler_unregister(bat_priv, BATADV_TVLV_MCAST, 2);  in batadv_mcast_free()
1572 	batadv_mcast_mla_tt_retract(bat_priv, NULL);  in batadv_mcast_free()
1581 	struct batadv_priv *bat_priv = orig->bat_priv;  in batadv_mcast_purge_orig()  local
1585 	batadv_mcast_want_unsnoop_update(bat_priv, orig, BATADV_NO_FLAGS);  in batadv_mcast_purge_orig()
1586 	batadv_mcast_want_ipv4_update(bat_priv, orig, BATADV_NO_FLAGS);  in batadv_mcast_purge_orig()
1587 	batadv_mcast_want_ipv6_update(bat_priv, orig, BATADV_NO_FLAGS);  in batadv_mcast_purge_orig()