76 static void igmp6_join_group(struct ifmcaddr6 *ma);
77 static void igmp6_leave_group(struct ifmcaddr6 *ma);
911 	struct ifmcaddr6 *ma, **map;  in __ipv6_dev_mc_dec()  local
916 	for (map = &idev->mc_list; (ma = *map) != NULL; map = &ma->next) {  in __ipv6_dev_mc_dec()
917 		if (ipv6_addr_equal(&ma->mca_addr, addr)) {  in __ipv6_dev_mc_dec()
918 			if (--ma->mca_users == 0) {  in __ipv6_dev_mc_dec()
919 				*map = ma->next;  in __ipv6_dev_mc_dec()
922 				igmp6_group_dropped(ma);  in __ipv6_dev_mc_dec()
924 				ma_put(ma);  in __ipv6_dev_mc_dec()
1044 static void igmp6_group_queried(struct ifmcaddr6 *ma, unsigned long resptime)  in igmp6_group_queried()  argument
1049 	if (ipv6_addr_is_ll_all_nodes(&ma->mca_addr) ||  in igmp6_group_queried()
1050 	    IPV6_ADDR_MC_SCOPE(&ma->mca_addr) < IPV6_ADDR_SCOPE_LINKLOCAL)  in igmp6_group_queried()
1053 	if (del_timer(&ma->mca_timer)) {  in igmp6_group_queried()
1054 		atomic_dec(&ma->mca_refcnt);  in igmp6_group_queried()
1055 		delay = ma->mca_timer.expires - jiffies;  in igmp6_group_queried()
1061 	ma->mca_timer.expires = jiffies + delay;  in igmp6_group_queried()
1062 	if (!mod_timer(&ma->mca_timer, jiffies + delay))  in igmp6_group_queried()
1063 		atomic_inc(&ma->mca_refcnt);  in igmp6_group_queried()
1064 	ma->mca_flags |= MAF_TIMER_RUNNING;  in igmp6_group_queried()
1301 	struct ifmcaddr6 *ma;  in igmp6_event_query()  local
1384 		for (ma = idev->mc_list; ma; ma = ma->next) {  in igmp6_event_query()
1385 			spin_lock_bh(&ma->mca_lock);  in igmp6_event_query()
1386 			igmp6_group_queried(ma, max_delay);  in igmp6_event_query()
1387 			spin_unlock_bh(&ma->mca_lock);  in igmp6_event_query()
1390 		for (ma = idev->mc_list; ma; ma = ma->next) {  in igmp6_event_query()
1391 			if (!ipv6_addr_equal(group, &ma->mca_addr))  in igmp6_event_query()
1393 			spin_lock_bh(&ma->mca_lock);  in igmp6_event_query()
1394 			if (ma->mca_flags & MAF_TIMER_RUNNING) {  in igmp6_event_query()
1397 					ma->mca_flags &= ~MAF_GSQUERY;  in igmp6_event_query()
1401 					ma->mca_flags |= MAF_GSQUERY;  in igmp6_event_query()
1403 					ma->mca_flags &= ~MAF_GSQUERY;  in igmp6_event_query()
1405 			if (!(ma->mca_flags & MAF_GSQUERY) ||  in igmp6_event_query()
1406 			    mld_marksources(ma, ntohs(mlh2->mld2q_nsrcs), mlh2->mld2q_srcs))  in igmp6_event_query()
1407 				igmp6_group_queried(ma, max_delay);  in igmp6_event_query()
1408 			spin_unlock_bh(&ma->mca_lock);  in igmp6_event_query()
1420 	struct ifmcaddr6 *ma;  in igmp6_event_report()  local
1454 	for (ma = idev->mc_list; ma; ma = ma->next) {  in igmp6_event_report()
1455 		if (ipv6_addr_equal(&ma->mca_addr, &mld->mld_mca)) {  in igmp6_event_report()
1456 			spin_lock(&ma->mca_lock);  in igmp6_event_report()
1457 			if (del_timer(&ma->mca_timer))  in igmp6_event_report()
1458 				atomic_dec(&ma->mca_refcnt);  in igmp6_event_report()
1459 			ma->mca_flags &= ~(MAF_LAST_REPORTER|MAF_TIMER_RUNNING);  in igmp6_event_report()
1460 			spin_unlock(&ma->mca_lock);  in igmp6_event_report()
2358 static void igmp6_join_group(struct ifmcaddr6 *ma)  in igmp6_join_group()  argument
2362 	if (ma->mca_flags & MAF_NOREPORT)  in igmp6_join_group()
2365 	igmp6_send(&ma->mca_addr, ma->idev->dev, ICMPV6_MGM_REPORT);  in igmp6_join_group()
2367 	delay = prandom_u32() % unsolicited_report_interval(ma->idev);  in igmp6_join_group()
2369 	spin_lock_bh(&ma->mca_lock);  in igmp6_join_group()
2370 	if (del_timer(&ma->mca_timer)) {  in igmp6_join_group()
2371 		atomic_dec(&ma->mca_refcnt);  in igmp6_join_group()
2372 		delay = ma->mca_timer.expires - jiffies;  in igmp6_join_group()
2375 	if (!mod_timer(&ma->mca_timer, jiffies + delay))  in igmp6_join_group()
2376 		atomic_inc(&ma->mca_refcnt);  in igmp6_join_group()
2377 	ma->mca_flags |= MAF_TIMER_RUNNING | MAF_LAST_REPORTER;  in igmp6_join_group()
2378 	spin_unlock_bh(&ma->mca_lock);  in igmp6_join_group()
2400 static void igmp6_leave_group(struct ifmcaddr6 *ma)  in igmp6_leave_group()  argument
2402 	if (mld_in_v1_mode(ma->idev)) {  in igmp6_leave_group()
2403 		if (ma->mca_flags & MAF_LAST_REPORTER)  in igmp6_leave_group()
2404 			igmp6_send(&ma->mca_addr, ma->idev->dev,  in igmp6_leave_group()
2407 		mld_add_delrec(ma->idev, ma);  in igmp6_leave_group()
2408 		mld_ifc_event(ma->idev);  in igmp6_leave_group()
2445 	struct ifmcaddr6 *ma = (struct ifmcaddr6 *) data;  in igmp6_timer_handler()  local
2447 	if (mld_in_v1_mode(ma->idev))  in igmp6_timer_handler()
2448 		igmp6_send(&ma->mca_addr, ma->idev->dev, ICMPV6_MGM_REPORT);  in igmp6_timer_handler()
2450 		mld_send_report(ma->idev, ma);  in igmp6_timer_handler()
2452 	spin_lock(&ma->mca_lock);  in igmp6_timer_handler()
2453 	ma->mca_flags |=  MAF_LAST_REPORTER;  in igmp6_timer_handler()
2454 	ma->mca_flags &= ~MAF_TIMER_RUNNING;  in igmp6_timer_handler()
2455 	spin_unlock(&ma->mca_lock);  in igmp6_timer_handler()
2456 	ma_put(ma);  in igmp6_timer_handler()