430 	struct igmp_ifsoftc	*igi;  in sysctl_igmp_ifinfo()  local
459 	LIST_FOREACH(igi, &V_igi_head, igi_link) {  in sysctl_igmp_ifinfo()
460 		if (ifp == igi->igi_ifp) {  in sysctl_igmp_ifinfo()
463 			info.igi_version = igi->igi_version;  in sysctl_igmp_ifinfo()
464 			info.igi_v1_timer = igi->igi_v1_timer;  in sysctl_igmp_ifinfo()
465 			info.igi_v2_timer = igi->igi_v2_timer;  in sysctl_igmp_ifinfo()
466 			info.igi_v3_timer = igi->igi_v3_timer;  in sysctl_igmp_ifinfo()
467 			info.igi_flags = igi->igi_flags;  in sysctl_igmp_ifinfo()
468 			info.igi_rv = igi->igi_rv;  in sysctl_igmp_ifinfo()
469 			info.igi_qi = igi->igi_qi;  in sysctl_igmp_ifinfo()
470 			info.igi_qri = igi->igi_qri;  in sysctl_igmp_ifinfo()
471 			info.igi_uri = igi->igi_uri;  in sysctl_igmp_ifinfo()
553 	struct igmp_ifsoftc *igi;  in igmp_domifattach()  local
560 	igi = igi_alloc_locked(ifp);  in igmp_domifattach()
562 		igi->igi_flags |= IGIF_SILENT;  in igmp_domifattach()
566 	return (igi);  in igmp_domifattach()
575 	struct igmp_ifsoftc *igi;  in igi_alloc_locked()  local
579 	igi = malloc(sizeof(struct igmp_ifsoftc), M_IGMP, M_NOWAIT|M_ZERO);  in igi_alloc_locked()
580 	if (igi == NULL)  in igi_alloc_locked()
583 	igi->igi_ifp = ifp;  in igi_alloc_locked()
584 	igi->igi_version = V_igmp_default_version;  in igi_alloc_locked()
585 	igi->igi_flags = 0;  in igi_alloc_locked()
586 	igi->igi_rv = IGMP_RV_INIT;  in igi_alloc_locked()
587 	igi->igi_qi = IGMP_QI_INIT;  in igi_alloc_locked()
588 	igi->igi_qri = IGMP_QRI_INIT;  in igi_alloc_locked()
589 	igi->igi_uri = IGMP_URI_INIT;  in igi_alloc_locked()
590 	mbufq_init(&igi->igi_gq, IGMP_MAX_RESPONSE_PACKETS);  in igi_alloc_locked()
592 	LIST_INSERT_HEAD(&V_igi_head, igi, igi_link);  in igi_alloc_locked()
598 	return (igi);  in igi_alloc_locked()
613 	struct igmp_ifsoftc	*igi;  in igmp_ifdetach()  local
623 	igi = ((struct in_ifinfo *)ifp->if_afdata[AF_INET])->ii_igmp;  in igmp_ifdetach()
624 	if (igi->igi_version == IGMP_VERSION_3) {  in igmp_ifdetach()
665 	struct igmp_ifsoftc *igi, *tigi;  in igi_delete_locked()  local
672 	LIST_FOREACH_SAFE(igi, &V_igi_head, igi_link, tigi) {  in igi_delete_locked()
673 		if (igi->igi_ifp == ifp) {  in igi_delete_locked()
677 			mbufq_drain(&igi->igi_gq);  in igi_delete_locked()
679 			LIST_REMOVE(igi, igi_link);  in igi_delete_locked()
680 			free(igi, M_IGMP);  in igi_delete_locked()
697 	struct igmp_ifsoftc	*igi;  in igmp_input_v1_query()  local
716 	igi = ((struct in_ifinfo *)ifp->if_afdata[AF_INET])->ii_igmp;  in igmp_input_v1_query()
717 	KASSERT(igi != NULL, ("%s: no igmp_ifsoftc for ifp %p", __func__, ifp));  in igmp_input_v1_query()
719 	if (igi->igi_flags & IGIF_LOOPBACK) {  in igmp_input_v1_query()
728 	igmp_set_version(igi, IGMP_VERSION_1);  in igmp_input_v1_query()
782 	struct igmp_ifsoftc	*igi;  in igmp_input_v2_query()  local
810 	igi = ((struct in_ifinfo *)ifp->if_afdata[AF_INET])->ii_igmp;  in igmp_input_v2_query()
811 	KASSERT(igi != NULL, ("%s: no igmp_ifsoftc for ifp %p", __func__, ifp));  in igmp_input_v2_query()
813 	if (igi->igi_flags & IGIF_LOOPBACK) {  in igmp_input_v2_query()
822 	if (igi->igi_version == IGMP_VERSION_1)  in igmp_input_v2_query()
825 	igmp_set_version(igi, IGMP_VERSION_2);  in igmp_input_v2_query()
933 	struct igmp_ifsoftc	*igi;  in igmp_input_v3_query()  local
1005 	igi = ((struct in_ifinfo *)ifp->if_afdata[AF_INET])->ii_igmp;  in igmp_input_v3_query()
1006 	KASSERT(igi != NULL, ("%s: no igmp_ifsoftc for ifp %p", __func__, ifp));  in igmp_input_v3_query()
1008 	if (igi->igi_flags & IGIF_LOOPBACK) {  in igmp_input_v3_query()
1020 	if (igi->igi_version != IGMP_VERSION_3) {  in igmp_input_v3_query()
1022 		    igi->igi_version, ifp, ifp->if_xname);  in igmp_input_v3_query()
1026 	igmp_set_version(igi, IGMP_VERSION_3);  in igmp_input_v3_query()
1027 	igi->igi_rv = qrv;  in igmp_input_v3_query()
1028 	igi->igi_qi = qqi;  in igmp_input_v3_query()
1029 	igi->igi_qri = maxresp;  in igmp_input_v3_query()
1045 		if (igi->igi_v3_timer == 0 || igi->igi_v3_timer >= timer) {  in igmp_input_v3_query()
1046 			igi->igi_v3_timer = IGMP_RANDOM_DELAY(timer);  in igmp_input_v3_query()
1077 		if (igi->igi_v3_timer == 0 || igi->igi_v3_timer >= timer)  in igmp_input_v3_query()
1078 			igmp_input_v3_group_query(inm, igi, timer, igmpv3);  in igmp_input_v3_query()
1094 igmp_input_v3_group_query(struct in_multi *inm, struct igmp_ifsoftc *igi,  in igmp_input_v3_group_query()  argument
1240 		struct igmp_ifsoftc *igi;  in igmp_input_v1_report()  local
1242 		igi = inm->inm_igi;  in igmp_input_v1_report()
1243 		if (igi == NULL) {  in igmp_input_v1_report()
1244 			KASSERT(igi != NULL,  in igmp_input_v1_report()
1256 		if (igi->igi_version == IGMP_VERSION_3) {  in igmp_input_v1_report()
1283 			if (igi->igi_version == IGMP_VERSION_1)  in igmp_input_v1_report()
1285 			else if (igi->igi_version == IGMP_VERSION_2)  in igmp_input_v1_report()
1365 		struct igmp_ifsoftc *igi;  in igmp_input_v2_report()  local
1367 		igi = inm->inm_igi;  in igmp_input_v2_report()
1368 		KASSERT(igi != NULL, ("%s: no igi for ifp %p", __func__, ifp));  in igmp_input_v2_report()
1377 		if (igi->igi_version == IGMP_VERSION_3) {  in igmp_input_v2_report()
1634 	struct igmp_ifsoftc	*igi;  in igmp_fasttimo_vnet()  local
1664 		LIST_FOREACH(igi, &V_igi_head, igi_link) {  in igmp_fasttimo_vnet()
1665 			if (igi->igi_v3_timer == 0) {  in igmp_fasttimo_vnet()
1667 			} else if (--igi->igi_v3_timer == 0) {  in igmp_fasttimo_vnet()
1668 				igmp_v3_dispatch_general_query(igi);  in igmp_fasttimo_vnet()
1688 	LIST_FOREACH(igi, &V_igi_head, igi_link) {  in igmp_fasttimo_vnet()
1689 		ifp = igi->igi_ifp;  in igmp_fasttimo_vnet()
1691 		if (igi->igi_version == IGMP_VERSION_3) {  in igmp_fasttimo_vnet()
1692 			loop = (igi->igi_flags & IGIF_LOOPBACK) ? 1 : 0;  in igmp_fasttimo_vnet()
1693 			uri_fasthz = IGMP_RANDOM_DELAY(igi->igi_uri *  in igmp_fasttimo_vnet()
1706 			switch (igi->igi_version) {  in igmp_fasttimo_vnet()
1710 				    igi->igi_version);  in igmp_fasttimo_vnet()
1724 		if (igi->igi_version == IGMP_VERSION_3) {  in igmp_fasttimo_vnet()
1939 igmp_set_version(struct igmp_ifsoftc *igi, const int version)  in igmp_set_version()  argument
1946 	    version, igi->igi_ifp, igi->igi_ifp->if_xname);  in igmp_set_version()
1953 		old_version_timer = igi->igi_rv * igi->igi_qi + igi->igi_qri;  in igmp_set_version()
1957 			igi->igi_v1_timer = old_version_timer;  in igmp_set_version()
1958 			igi->igi_v2_timer = 0;  in igmp_set_version()
1960 			igi->igi_v1_timer = 0;  in igmp_set_version()
1961 			igi->igi_v2_timer = old_version_timer;  in igmp_set_version()
1965 	if (igi->igi_v1_timer == 0 && igi->igi_v2_timer > 0) {  in igmp_set_version()
1966 		if (igi->igi_version != IGMP_VERSION_2) {  in igmp_set_version()
1967 			igi->igi_version = IGMP_VERSION_2;  in igmp_set_version()
1968 			igmp_v3_cancel_link_timers(igi);  in igmp_set_version()
1970 	} else if (igi->igi_v1_timer > 0) {  in igmp_set_version()
1971 		if (igi->igi_version != IGMP_VERSION_1) {  in igmp_set_version()
1972 			igi->igi_version = IGMP_VERSION_1;  in igmp_set_version()
1973 			igmp_v3_cancel_link_timers(igi);  in igmp_set_version()
1988 igmp_v3_cancel_link_timers(struct igmp_ifsoftc *igi)  in igmp_v3_cancel_link_timers()  argument
1996 	    igi->igi_ifp, igi->igi_ifp->if_xname);  in igmp_v3_cancel_link_timers()
2007 	igi->igi_v3_timer = 0;  in igmp_v3_cancel_link_timers()
2013 	ifp = igi->igi_ifp;  in igmp_v3_cancel_link_timers()
2069 igmp_v1v2_process_querier_timers(struct igmp_ifsoftc *igi)  in igmp_v1v2_process_querier_timers()  argument
2074 	if (igi->igi_v1_timer == 0 && igi->igi_v2_timer == 0) {  in igmp_v1v2_process_querier_timers()
2080 		if (igi->igi_version != IGMP_VERSION_3) {  in igmp_v1v2_process_querier_timers()
2083 			    __func__, igi->igi_version, IGMP_VERSION_3,  in igmp_v1v2_process_querier_timers()
2084 			    igi->igi_ifp, igi->igi_ifp->if_xname);  in igmp_v1v2_process_querier_timers()
2085 			igi->igi_version = IGMP_VERSION_3;  in igmp_v1v2_process_querier_timers()
2087 	} else if (igi->igi_v1_timer == 0 && igi->igi_v2_timer > 0) {  in igmp_v1v2_process_querier_timers()
2098 			    __func__, igi->igi_version, IGMP_VERSION_3,  in igmp_v1v2_process_querier_timers()
2099 			    igi->igi_ifp, igi->igi_ifp->if_xname);  in igmp_v1v2_process_querier_timers()
2100 			igi->igi_v2_timer = 0;  in igmp_v1v2_process_querier_timers()
2101 			igi->igi_version = IGMP_VERSION_3;  in igmp_v1v2_process_querier_timers()
2103 			--igi->igi_v2_timer;  in igmp_v1v2_process_querier_timers()
2104 			if (igi->igi_version != IGMP_VERSION_2) {  in igmp_v1v2_process_querier_timers()
2107 				    __func__, igi->igi_version, IGMP_VERSION_2,  in igmp_v1v2_process_querier_timers()
2108 				    igi->igi_ifp, igi->igi_ifp->if_xname);  in igmp_v1v2_process_querier_timers()
2109 				igi->igi_version = IGMP_VERSION_2;  in igmp_v1v2_process_querier_timers()
2110 				igmp_v3_cancel_link_timers(igi);  in igmp_v1v2_process_querier_timers()
2113 	} else if (igi->igi_v1_timer > 0) {  in igmp_v1v2_process_querier_timers()
2125 			    __func__, igi->igi_version, IGMP_VERSION_3,  in igmp_v1v2_process_querier_timers()
2126 			    igi->igi_ifp, igi->igi_ifp->if_xname);  in igmp_v1v2_process_querier_timers()
2127 			igi->igi_v1_timer = 0;  in igmp_v1v2_process_querier_timers()
2128 			igi->igi_version = IGMP_VERSION_3;  in igmp_v1v2_process_querier_timers()
2130 			--igi->igi_v1_timer;  in igmp_v1v2_process_querier_timers()
2132 		if (igi->igi_v2_timer > 0) {  in igmp_v1v2_process_querier_timers()
2135 			    __func__, igi->igi_ifp, igi->igi_ifp->if_xname);  in igmp_v1v2_process_querier_timers()
2136 			igi->igi_v2_timer = 0;  in igmp_v1v2_process_querier_timers()
2165 	struct igmp_ifsoftc *igi;  in igmp_slowtimo_vnet()  local
2169 	LIST_FOREACH(igi, &V_igi_head, igi_link) {  in igmp_slowtimo_vnet()
2170 		igmp_v1v2_process_querier_timers(igi);  in igmp_slowtimo_vnet()
2261 	struct igmp_ifsoftc *igi;  in igmp_change_state()  local
2281 	igi = ((struct in_ifinfo *)ifp->if_afdata[AF_INET])->ii_igmp;  in igmp_change_state()
2282 	KASSERT(igi != NULL, ("%s: no igmp_ifsoftc for ifp %p", __func__, ifp));  in igmp_change_state()
2294 			error = igmp_initial_join(inm, igi);  in igmp_change_state()
2298 			igmp_final_leave(inm, igi);  in igmp_change_state()
2305 	error = igmp_handle_state_change(inm, igi);  in igmp_change_state()
2323 igmp_initial_join(struct in_multi *inm, struct igmp_ifsoftc *igi)  in igmp_initial_join()  argument
2340 	KASSERT(igi && igi->igi_ifp == ifp, ("%s: inconsistent ifp", __func__));  in igmp_initial_join()
2352 	    (igi->igi_flags & IGIF_SILENT) ||  in igmp_initial_join()
2365 		if (igi->igi_version == IGMP_VERSION_3 &&  in igmp_initial_join()
2372 		switch (igi->igi_version) {  in igmp_initial_join()
2377 			    (igi->igi_version == IGMP_VERSION_2) ?  in igmp_initial_join()
2417 			if (igi->igi_flags & IGIF_LOOPBACK) {  in igmp_initial_join()
2420 				KASSERT(igi->igi_rv > 1,  in igmp_initial_join()
2422 				    igi->igi_rv));  in igmp_initial_join()
2423 				inm->inm_scrv = igi->igi_rv;  in igmp_initial_join()
2451 igmp_handle_state_change(struct in_multi *inm, struct igmp_ifsoftc *igi)  in igmp_handle_state_change()  argument
2464 	KASSERT(igi && igi->igi_ifp == ifp, ("%s: inconsistent ifp", __func__));  in igmp_handle_state_change()
2467 	    (igi->igi_flags & IGIF_SILENT) ||  in igmp_handle_state_change()
2469 	    (igi->igi_version != IGMP_VERSION_3)) {  in igmp_handle_state_change()
2492 	inm->inm_scrv = ((igi->igi_flags & IGIF_LOOPBACK) ? 1 : igi->igi_rv);  in igmp_handle_state_change()
2509 igmp_final_leave(struct in_multi *inm, struct igmp_ifsoftc *igi)  in igmp_final_leave()  argument
2534 		if (igi->igi_version == IGMP_VERSION_2) {  in igmp_final_leave()
2543 		} else if (igi->igi_version == IGMP_VERSION_3) {  in igmp_final_leave()
2552 			if (igi->igi_flags & IGIF_LOOPBACK) {  in igmp_final_leave()
2555 				inm->inm_scrv = igi->igi_rv;  in igmp_final_leave()
3300 igmp_v3_dispatch_general_query(struct igmp_ifsoftc *igi)  in igmp_v3_dispatch_general_query()  argument
3310 	KASSERT(igi->igi_version == IGMP_VERSION_3,  in igmp_v3_dispatch_general_query()
3311 	    ("%s: called when version %d", __func__, igi->igi_version));  in igmp_v3_dispatch_general_query()
3319 	if (mbufq_len(&igi->igi_gq) != 0)  in igmp_v3_dispatch_general_query()
3322 	ifp = igi->igi_ifp;  in igmp_v3_dispatch_general_query()
3344 			retval = igmp_v3_enqueue_group_record(&igi->igi_gq,  in igmp_v3_dispatch_general_query()
3358 	loop = (igi->igi_flags & IGIF_LOOPBACK) ? 1 : 0;  in igmp_v3_dispatch_general_query()
3359 	igmp_dispatch_queue(&igi->igi_gq, IGMP_MAX_RESPONSE_BURST, loop);  in igmp_v3_dispatch_general_query()
3364 	if (mbufq_first(&igi->igi_gq) != NULL) {  in igmp_v3_dispatch_general_query()
3365 		igi->igi_v3_timer = 1 + IGMP_RANDOM_DELAY(  in igmp_v3_dispatch_general_query()
3598 	struct igmp_ifsoftc *igi, *tigi;  in DB_SHOW_COMMAND()  local
3607 	LIST_FOREACH_SAFE(igi, igi_head, igi_link, tigi) {  in DB_SHOW_COMMAND()
3608 		db_printf("igmp_ifsoftc %p:\n", igi);  in DB_SHOW_COMMAND()
3609 		db_printf("    ifp %p\n", igi->igi_ifp);  in DB_SHOW_COMMAND()
3610 		db_printf("    version %u\n", igi->igi_version);  in DB_SHOW_COMMAND()
3611 		db_printf("    v1_timer %u\n", igi->igi_v1_timer);  in DB_SHOW_COMMAND()
3612 		db_printf("    v2_timer %u\n", igi->igi_v2_timer);  in DB_SHOW_COMMAND()
3613 		db_printf("    v3_timer %u\n", igi->igi_v3_timer);  in DB_SHOW_COMMAND()
3614 		db_printf("    flags %#x\n", igi->igi_flags);  in DB_SHOW_COMMAND()
3615 		db_printf("    rv %u\n", igi->igi_rv);  in DB_SHOW_COMMAND()
3616 		db_printf("    qi %u\n", igi->igi_qi);  in DB_SHOW_COMMAND()
3617 		db_printf("    qri %u\n", igi->igi_qri);  in DB_SHOW_COMMAND()
3618 		db_printf("    uri %u\n", igi->igi_uri);  in DB_SHOW_COMMAND()