266 imo_grow(struct ip_moptions *imo, uint16_t newmax)  in imo_grow()  argument
276 	IMO_LOCK_ASSERT_HELD(imo);  in imo_grow()
281 	omships = imo->imo_membership;  in imo_grow()
282 	omfilters = imo->imo_mfilters;  in imo_grow()
283 	oldmax = imo->imo_max_memberships;  in imo_grow()
328 	imo->imo_membership = nmships;  in imo_grow()
330 	imo->imo_max_memberships = newmax;  in imo_grow()
332 	imo->imo_mfilters = nmfilters;  in imo_grow()
334 	imo->imo_max_filters = newmax;  in imo_grow()
356 imo_match_group(const struct ip_moptions *imo, const struct ifnet *ifp,  in imo_match_group()  argument
363 	IMO_LOCK_ASSERT_HELD(__DECONST(struct ip_moptions *, imo));  in imo_match_group()
367 	if (imo->imo_membership == NULL || imo->imo_num_memberships == 0) {  in imo_match_group()
371 	nmships = imo->imo_num_memberships;  in imo_match_group()
373 		pinm = imo->imo_membership[idx];  in imo_match_group()
400 imo_match_source(const struct ip_moptions *imo, const size_t gidx,  in imo_match_source()  argument
407 	IMO_LOCK_ASSERT_HELD(__DECONST(struct ip_moptions *, imo));  in imo_match_source()
410 	VERIFY(gidx != (size_t)-1 && gidx < imo->imo_num_memberships);  in imo_match_source()
413 	if (imo->imo_mfilters == NULL) {  in imo_match_source()
416 	imf = &imo->imo_mfilters[gidx];  in imo_match_source()
432 imo_multi_filter(const struct ip_moptions *imo, const struct ifnet *ifp,  in imo_multi_filter()  argument
439 	IMO_LOCK_ASSERT_HELD(__DECONST(struct ip_moptions *, imo));  in imo_multi_filter()
442 	gidx = imo_match_group(imo, ifp, group);  in imo_multi_filter()
456 	mode = imo->imo_mfilters[gidx].imf_st[1];  in imo_multi_filter()
457 	ims = imo_match_source(imo, gidx, src);  in imo_multi_filter()
1478 	struct ip_moptions              *imo;  in inp_block_unblock_source()  local
1580 	imo = inp_findmoptions(inp);  in inp_block_unblock_source()
1581 	if (imo == NULL) {  in inp_block_unblock_source()
1585 	IMO_LOCK(imo);  in inp_block_unblock_source()
1586 	idx = imo_match_group(imo, ifp, gsa);  in inp_block_unblock_source()
1587 	if (idx == (size_t)-1 || imo->imo_mfilters == NULL) {  in inp_block_unblock_source()
1592 	VERIFY(imo->imo_mfilters != NULL);  in inp_block_unblock_source()
1593 	imf = &imo->imo_mfilters[idx];  in inp_block_unblock_source()
1594 	inm = imo->imo_membership[idx];  in inp_block_unblock_source()
1612 	ims = imo_match_source(imo, idx, ssa);  in inp_block_unblock_source()
1671 	IMO_UNLOCK(imo);  in inp_block_unblock_source()
1672 	IMO_REMREF(imo);        /* from inp_findmoptions() */  in inp_block_unblock_source()
1689 	struct ip_moptions       *imo;  in inp_findmoptions()  local
1694 	if ((imo = inp->inp_moptions) != NULL) {  in inp_findmoptions()
1695 		IMO_ADDREF(imo);        /* for caller */  in inp_findmoptions()
1696 		return imo;  in inp_findmoptions()
1699 	imo = ip_allocmoptions(Z_WAITOK);  in inp_findmoptions()
1700 	if (imo == NULL) {  in inp_findmoptions()
1709 	imo->imo_multicast_ifp = NULL;  in inp_findmoptions()
1710 	imo->imo_multicast_addr.s_addr = INADDR_ANY;  in inp_findmoptions()
1711 	imo->imo_multicast_vif = -1;  in inp_findmoptions()
1712 	imo->imo_multicast_ttl = IP_DEFAULT_MULTICAST_TTL;  in inp_findmoptions()
1713 	imo->imo_multicast_loop = !!in_mcast_loop;  in inp_findmoptions()
1714 	imo->imo_num_memberships = 0;  in inp_findmoptions()
1715 	imo->imo_max_memberships = IP_MIN_MEMBERSHIPS;  in inp_findmoptions()
1716 	imo->imo_membership = immp;  in inp_findmoptions()
1717 	imo->imo_max_filters = IP_MIN_MEMBERSHIPS;  in inp_findmoptions()
1718 	imo->imo_mfilters = imfp;  in inp_findmoptions()
1725 	inp->inp_moptions = imo; /* keep reference from ip_allocmoptions() */  in inp_findmoptions()
1726 	IMO_ADDREF(imo);        /* for caller */  in inp_findmoptions()
1728 	return imo;  in inp_findmoptions()
1740 	struct ip_moptions      *imo;  in inp_get_source_filters()  local
1752 	imo = inp->inp_moptions;  in inp_get_source_filters()
1753 	VERIFY(imo != NULL);  in inp_get_source_filters()
1799 	IMO_LOCK(imo);  in inp_get_source_filters()
1805 	idx = imo_match_group(imo, ifp, gsa);  in inp_get_source_filters()
1806 	if (idx == (size_t)-1 || imo->imo_mfilters == NULL) {  in inp_get_source_filters()
1807 		IMO_UNLOCK(imo);  in inp_get_source_filters()
1810 	imf = &imo->imo_mfilters[idx];  in inp_get_source_filters()
1816 		IMO_UNLOCK(imo);  in inp_get_source_filters()
1840 			IMO_UNLOCK(imo);  in inp_get_source_filters()
1870 	IMO_UNLOCK(imo);  in inp_get_source_filters()
1909 	struct ip_moptions      *imo;  in inp_getmoptions()  local
1916 	imo = inp->inp_moptions;  in inp_getmoptions()
1931 		if (imo != NULL) {  in inp_getmoptions()
1932 			IMO_LOCK(imo);  in inp_getmoptions()
1933 			ifp = imo->imo_multicast_ifp;  in inp_getmoptions()
1934 			if (!in_nullhost(imo->imo_multicast_addr)) {  in inp_getmoptions()
1935 				mreqn.imr_address = imo->imo_multicast_addr;  in inp_getmoptions()
1947 			IMO_UNLOCK(imo);  in inp_getmoptions()
1959 		if (imo != NULL) {  in inp_getmoptions()
1960 			IMO_LOCK(imo);  in inp_getmoptions()
1962 		if (imo == NULL || imo->imo_multicast_ifp == NULL) {  in inp_getmoptions()
1965 			ifindex = imo->imo_multicast_ifp->if_index;  in inp_getmoptions()
1967 		if (imo != NULL) {  in inp_getmoptions()
1968 			IMO_UNLOCK(imo);  in inp_getmoptions()
1974 		if (imo == NULL) {  in inp_getmoptions()
1977 			IMO_LOCK(imo);  in inp_getmoptions()
1978 			optval = coptval = imo->imo_multicast_ttl;  in inp_getmoptions()
1979 			IMO_UNLOCK(imo);  in inp_getmoptions()
1989 		if (imo == 0) {  in inp_getmoptions()
1992 			IMO_LOCK(imo);  in inp_getmoptions()
1993 			optval = coptval = imo->imo_multicast_loop;  in inp_getmoptions()
1994 			IMO_UNLOCK(imo);  in inp_getmoptions()
2004 		if (imo == NULL) {  in inp_getmoptions()
2108 	struct ip_moptions              *imo;  in inp_join_group()  local
2242 	imo = inp_findmoptions(inp);  in inp_join_group()
2243 	if (imo == NULL) {  in inp_join_group()
2247 	IMO_LOCK(imo);  in inp_join_group()
2248 	idx = imo_match_group(imo, ifp, gsa);  in inp_join_group()
2252 		inm = imo->imo_membership[idx];  in inp_join_group()
2253 		imf = &imo->imo_mfilters[idx];  in inp_join_group()
2280 			lims = imo_match_source(imo, idx, ssa);  in inp_join_group()
2315 		if (imo->imo_num_memberships == imo->imo_max_memberships) {  in inp_join_group()
2316 			error = imo_grow(imo, 0);  in inp_join_group()
2326 		idx = imo->imo_num_memberships;  in inp_join_group()
2327 		imo->imo_membership[idx] = NULL;  in inp_join_group()
2328 		imo->imo_num_memberships++;  in inp_join_group()
2329 		VERIFY(imo->imo_mfilters != NULL);  in inp_join_group()
2330 		imf = &imo->imo_mfilters[idx];  in inp_join_group()
2374 		imo->imo_membership[idx] = inm; /* from in_joingroup() */  in inp_join_group()
2410 		imo->imo_membership[idx] = NULL;  in inp_join_group()
2411 		--imo->imo_num_memberships;  in inp_join_group()
2415 	IMO_UNLOCK(imo);  in inp_join_group()
2416 	IMO_REMREF(imo);        /* from inp_findmoptions() */  in inp_join_group()
2438 	struct ip_moptions              *imo;  in inp_leave_group()  local
2558 	imo = inp_findmoptions(inp);  in inp_leave_group()
2559 	if (imo == NULL) {  in inp_leave_group()
2563 	IMO_LOCK(imo);  in inp_leave_group()
2564 	idx = imo_match_group(imo, ifp, gsa);  in inp_leave_group()
2569 	inm = imo->imo_membership[idx];  in inp_leave_group()
2574 	imf = &imo->imo_mfilters[idx];  in inp_leave_group()
2597 		ims = imo_match_source(imo, idx, ssa);  in inp_leave_group()
2654 		VERIFY(inm == imo->imo_membership[idx]);  in inp_leave_group()
2658 		for (++idx; idx < imo->imo_num_memberships; ++idx) {  in inp_leave_group()
2659 			imo->imo_membership[idx - 1] = imo->imo_membership[idx];  in inp_leave_group()
2660 			imo->imo_mfilters[idx - 1] = imo->imo_mfilters[idx];  in inp_leave_group()
2662 		imo->imo_num_memberships--;  in inp_leave_group()
2665 		imo->imo_membership[imo->imo_num_memberships] = NULL;  in inp_leave_group()
2666 		imf_init(&imo->imo_mfilters[imo->imo_num_memberships], MCAST_UNDEFINED, MCAST_EXCLUDE);  in inp_leave_group()
2670 	IMO_UNLOCK(imo);  in inp_leave_group()
2671 	IMO_REMREF(imo);        /* from inp_findmoptions() */  in inp_leave_group()
2693 	struct ip_moptions      *imo;  in inp_set_multicast_if()  local
2753 	imo = inp_findmoptions(inp);  in inp_set_multicast_if()
2754 	if (imo == NULL) {  in inp_set_multicast_if()
2758 	IMO_LOCK(imo);  in inp_set_multicast_if()
2759 	imo->imo_multicast_ifp = ifp;  in inp_set_multicast_if()
2761 		imo->imo_multicast_addr = addr;  in inp_set_multicast_if()
2763 		imo->imo_multicast_addr.s_addr = INADDR_ANY;  in inp_set_multicast_if()
2765 	IMO_UNLOCK(imo);  in inp_set_multicast_if()
2766 	IMO_REMREF(imo);        /* from inp_findmoptions() */  in inp_set_multicast_if()
2782 	struct ip_moptions      *imo;  in inp_set_source_filters()  local
2854 	imo = inp_findmoptions(inp);  in inp_set_source_filters()
2855 	if (imo == NULL) {  in inp_set_source_filters()
2859 	IMO_LOCK(imo);  in inp_set_source_filters()
2860 	idx = imo_match_group(imo, ifp, gsa);  in inp_set_source_filters()
2861 	if (idx == (size_t)-1 || imo->imo_mfilters == NULL) {  in inp_set_source_filters()
2865 	inm = imo->imo_membership[idx];  in inp_set_source_filters()
2866 	imf = &imo->imo_mfilters[idx];  in inp_set_source_filters()
2980 	IMO_UNLOCK(imo);  in inp_set_source_filters()
2981 	IMO_REMREF(imo);        /* from inp_findmoptions() */  in inp_set_source_filters()
3001 	struct ip_moptions      *imo;  in inp_setmoptions()  local
3033 		imo = inp_findmoptions(inp);  in inp_setmoptions()
3034 		if (imo == NULL) {  in inp_setmoptions()
3044 			IMO_LOCK(imo);  in inp_setmoptions()
3045 			imo->imo_multicast_ifp = NULL;  in inp_setmoptions()
3046 			IMO_UNLOCK(imo);  in inp_setmoptions()
3047 			IMO_REMREF(imo);        /* from inp_findmoptions() */  in inp_setmoptions()
3055 			IMO_REMREF(imo);        /* from inp_findmoptions() */  in inp_setmoptions()
3064 			IMO_REMREF(imo);        /* from inp_findmoptions() */  in inp_setmoptions()
3068 		IMO_LOCK(imo);  in inp_setmoptions()
3069 		imo->imo_multicast_ifp = ifp;  in inp_setmoptions()
3077 		imo->imo_multicast_addr.s_addr = INADDR_ANY;  in inp_setmoptions()
3078 		IMO_UNLOCK(imo);  in inp_setmoptions()
3079 		IMO_REMREF(imo);        /* from inp_findmoptions() */  in inp_setmoptions()
3111 		imo = inp_findmoptions(inp);  in inp_setmoptions()
3112 		if (imo == NULL) {  in inp_setmoptions()
3116 		IMO_LOCK(imo);  in inp_setmoptions()
3117 		imo->imo_multicast_ttl = ttl;  in inp_setmoptions()
3118 		IMO_UNLOCK(imo);  in inp_setmoptions()
3119 		IMO_REMREF(imo);        /* from inp_findmoptions() */  in inp_setmoptions()
3148 		imo = inp_findmoptions(inp);  in inp_setmoptions()
3149 		if (imo == NULL) {  in inp_setmoptions()
3153 		IMO_LOCK(imo);  in inp_setmoptions()
3154 		imo->imo_multicast_loop = !!loop;  in inp_setmoptions()
3155 		IMO_UNLOCK(imo);  in inp_setmoptions()
3156 		IMO_REMREF(imo);        /* from inp_findmoptions() */  in inp_setmoptions()