72 static void igmp6_join_group(struct ifmcaddr6 *ma);
73 static void igmp6_leave_group(struct ifmcaddr6 *ma);
944 	struct ifmcaddr6 *ma, **map;  in __ipv6_dev_mc_dec()  local
949 	for (map = &idev->mc_list; (ma = *map) != NULL; map = &ma->next) {  in __ipv6_dev_mc_dec()
950 		if (ipv6_addr_equal(&ma->mca_addr, addr)) {  in __ipv6_dev_mc_dec()
951 			if (--ma->mca_users == 0) {  in __ipv6_dev_mc_dec()
952 				*map = ma->next;  in __ipv6_dev_mc_dec()
955 				igmp6_group_dropped(ma);  in __ipv6_dev_mc_dec()
956 				ip6_mc_clear_src(ma);  in __ipv6_dev_mc_dec()
958 				ma_put(ma);  in __ipv6_dev_mc_dec()
1079 static void igmp6_group_queried(struct ifmcaddr6 *ma, unsigned long resptime)  in igmp6_group_queried()  argument
1084 	if (ipv6_addr_is_ll_all_nodes(&ma->mca_addr) ||  in igmp6_group_queried()
1085 	    IPV6_ADDR_MC_SCOPE(&ma->mca_addr) < IPV6_ADDR_SCOPE_LINKLOCAL)  in igmp6_group_queried()
1088 	if (del_timer(&ma->mca_timer)) {  in igmp6_group_queried()
1089 		refcount_dec(&ma->mca_refcnt);  in igmp6_group_queried()
1090 		delay = ma->mca_timer.expires - jiffies;  in igmp6_group_queried()
1096 	ma->mca_timer.expires = jiffies + delay;  in igmp6_group_queried()
1097 	if (!mod_timer(&ma->mca_timer, jiffies + delay))  in igmp6_group_queried()
1098 		refcount_inc(&ma->mca_refcnt);  in igmp6_group_queried()
1099 	ma->mca_flags |= MAF_TIMER_RUNNING;  in igmp6_group_queried()
1336 	struct ifmcaddr6 *ma;  in igmp6_event_query()  local
1419 		for (ma = idev->mc_list; ma; ma = ma->next) {  in igmp6_event_query()
1420 			spin_lock_bh(&ma->mca_lock);  in igmp6_event_query()
1421 			igmp6_group_queried(ma, max_delay);  in igmp6_event_query()
1422 			spin_unlock_bh(&ma->mca_lock);  in igmp6_event_query()
1425 		for (ma = idev->mc_list; ma; ma = ma->next) {  in igmp6_event_query()
1426 			if (!ipv6_addr_equal(group, &ma->mca_addr))  in igmp6_event_query()
1428 			spin_lock_bh(&ma->mca_lock);  in igmp6_event_query()
1429 			if (ma->mca_flags & MAF_TIMER_RUNNING) {  in igmp6_event_query()
1432 					ma->mca_flags &= ~MAF_GSQUERY;  in igmp6_event_query()
1436 					ma->mca_flags |= MAF_GSQUERY;  in igmp6_event_query()
1438 					ma->mca_flags &= ~MAF_GSQUERY;  in igmp6_event_query()
1440 			if (!(ma->mca_flags & MAF_GSQUERY) ||  in igmp6_event_query()
1441 			    mld_marksources(ma, ntohs(mlh2->mld2q_nsrcs), mlh2->mld2q_srcs))  in igmp6_event_query()
1442 				igmp6_group_queried(ma, max_delay);  in igmp6_event_query()
1443 			spin_unlock_bh(&ma->mca_lock);  in igmp6_event_query()
1455 	struct ifmcaddr6 *ma;  in igmp6_event_report()  local
1489 	for (ma = idev->mc_list; ma; ma = ma->next) {  in igmp6_event_report()
1490 		if (ipv6_addr_equal(&ma->mca_addr, &mld->mld_mca)) {  in igmp6_event_report()
1491 			spin_lock(&ma->mca_lock);  in igmp6_event_report()
1492 			if (del_timer(&ma->mca_timer))  in igmp6_event_report()
1493 				refcount_dec(&ma->mca_refcnt);  in igmp6_event_report()
1494 			ma->mca_flags &= ~(MAF_LAST_REPORTER|MAF_TIMER_RUNNING);  in igmp6_event_report()
1495 			spin_unlock(&ma->mca_lock);  in igmp6_event_report()
2407 static void igmp6_join_group(struct ifmcaddr6 *ma)  in igmp6_join_group()  argument
2411 	if (ma->mca_flags & MAF_NOREPORT)  in igmp6_join_group()
2414 	igmp6_send(&ma->mca_addr, ma->idev->dev, ICMPV6_MGM_REPORT);  in igmp6_join_group()
2416 	delay = prandom_u32() % unsolicited_report_interval(ma->idev);  in igmp6_join_group()
2418 	spin_lock_bh(&ma->mca_lock);  in igmp6_join_group()
2419 	if (del_timer(&ma->mca_timer)) {  in igmp6_join_group()
2420 		refcount_dec(&ma->mca_refcnt);  in igmp6_join_group()
2421 		delay = ma->mca_timer.expires - jiffies;  in igmp6_join_group()
2424 	if (!mod_timer(&ma->mca_timer, jiffies + delay))  in igmp6_join_group()
2425 		refcount_inc(&ma->mca_refcnt);  in igmp6_join_group()
2426 	ma->mca_flags |= MAF_TIMER_RUNNING | MAF_LAST_REPORTER;  in igmp6_join_group()
2427 	spin_unlock_bh(&ma->mca_lock);  in igmp6_join_group()
2449 static void igmp6_leave_group(struct ifmcaddr6 *ma)  in igmp6_leave_group()  argument
2451 	if (mld_in_v1_mode(ma->idev)) {  in igmp6_leave_group()
2452 		if (ma->mca_flags & MAF_LAST_REPORTER)  in igmp6_leave_group()
2453 			igmp6_send(&ma->mca_addr, ma->idev->dev,  in igmp6_leave_group()
2456 		mld_add_delrec(ma->idev, ma);  in igmp6_leave_group()
2457 		mld_ifc_event(ma->idev);  in igmp6_leave_group()
2494 	struct ifmcaddr6 *ma = from_timer(ma, t, mca_timer);  in igmp6_timer_handler()  local
2496 	if (mld_in_v1_mode(ma->idev))  in igmp6_timer_handler()
2497 		igmp6_send(&ma->mca_addr, ma->idev->dev, ICMPV6_MGM_REPORT);  in igmp6_timer_handler()
2499 		mld_send_report(ma->idev, ma);  in igmp6_timer_handler()
2501 	spin_lock(&ma->mca_lock);  in igmp6_timer_handler()
2502 	ma->mca_flags |=  MAF_LAST_REPORTER;  in igmp6_timer_handler()
2503 	ma->mca_flags &= ~MAF_TIMER_RUNNING;  in igmp6_timer_handler()
2504 	spin_unlock(&ma->mca_lock);  in igmp6_timer_handler()
2505 	ma_put(ma);  in igmp6_timer_handler()