122 #define IGMP_V1_SEEN(in_dev) \  argument
123 	(IPV4_DEVCONF_ALL(dev_net(in_dev->dev), FORCE_IGMP_VERSION) == 1 || \
124 	 IN_DEV_CONF_GET((in_dev), FORCE_IGMP_VERSION) == 1 || \
125 	 ((in_dev)->mr_v1_seen && \
126 	  time_before(jiffies, (in_dev)->mr_v1_seen)))
127 #define IGMP_V2_SEEN(in_dev) \  argument
128 	(IPV4_DEVCONF_ALL(dev_net(in_dev->dev), FORCE_IGMP_VERSION) == 2 || \
129 	 IN_DEV_CONF_GET((in_dev), FORCE_IGMP_VERSION) == 2 || \
130 	 ((in_dev)->mr_v2_seen && \
131 	  time_before(jiffies, (in_dev)->mr_v2_seen)))
133 static int unsolicited_report_interval(struct in_device *in_dev)  in unsolicited_report_interval()  argument
137 	if (IGMP_V1_SEEN(in_dev) || IGMP_V2_SEEN(in_dev))  in unsolicited_report_interval()
139 			in_dev,  in unsolicited_report_interval()
143 			in_dev,  in unsolicited_report_interval()
156 static void igmpv3_add_delrec(struct in_device *in_dev, struct ip_mc_list *im,
158 static void igmpv3_del_delrec(struct in_device *in_dev, struct ip_mc_list *im);
159 static void igmpv3_clear_delrec(struct in_device *in_dev);
164 static int ip_mc_add_src(struct in_device *in_dev, __be32 *pmca, int sfmode,
175 #define for_each_pmc_rcu(in_dev, pmc)				\  argument
176 	for (pmc = rcu_dereference(in_dev->mc_list);		\
180 #define for_each_pmc_rtnl(in_dev, pmc)				\  argument
181 	for (pmc = rtnl_dereference(in_dev->mc_list);		\
223 static void igmp_gq_start_timer(struct in_device *in_dev)  in igmp_gq_start_timer()  argument
225 	int tv = get_random_u32_below(in_dev->mr_maxdelay);  in igmp_gq_start_timer()
228 	if (in_dev->mr_gq_running &&  in igmp_gq_start_timer()
229 	    time_after_eq(exp, (in_dev->mr_gq_timer).expires))  in igmp_gq_start_timer()
232 	in_dev->mr_gq_running = 1;  in igmp_gq_start_timer()
233 	if (!mod_timer(&in_dev->mr_gq_timer, exp))  in igmp_gq_start_timer()
234 		in_dev_hold(in_dev);  in igmp_gq_start_timer()
237 static void igmp_ifc_start_timer(struct in_device *in_dev, int delay)  in igmp_ifc_start_timer()  argument
241 	if (!mod_timer(&in_dev->mr_ifc_timer, jiffies+tv+2))  in igmp_ifc_start_timer()
242 		in_dev_hold(in_dev);  in igmp_ifc_start_timer()
332 	struct in_device *in_dev = __in_dev_get_rcu(dev);  in igmpv3_get_srcaddr()  local
335 	if (!in_dev)  in igmpv3_get_srcaddr()
338 	in_dev_for_each_ifa_rcu(ifa, in_dev) {  in igmpv3_get_srcaddr()
586 static int igmpv3_send_report(struct in_device *in_dev, struct ip_mc_list *pmc)  in igmpv3_send_report()  argument
589 	struct net *net = dev_net(in_dev->dev);  in igmpv3_send_report()
594 		for_each_pmc_rcu(in_dev, pmc) {  in igmpv3_send_report()
651 static void igmpv3_send_cr(struct in_device *in_dev)  in igmpv3_send_cr()  argument
658 	spin_lock_bh(&in_dev->mc_tomb_lock);  in igmpv3_send_cr()
662 	for (pmc = in_dev->mc_tomb; pmc; pmc = pmc_next) {  in igmpv3_send_cr()
685 				in_dev->mc_tomb = pmc_next;  in igmpv3_send_cr()
691 	spin_unlock_bh(&in_dev->mc_tomb_lock);  in igmpv3_send_cr()
694 	for_each_pmc_rcu(in_dev, pmc) {  in igmpv3_send_cr()
724 static int igmp_send_report(struct in_device *in_dev, struct ip_mc_list *pmc,  in igmp_send_report()  argument
731 	struct net_device *dev = in_dev->dev;  in igmp_send_report()
739 		return igmpv3_send_report(in_dev, pmc);  in igmp_send_report()
799 	struct in_device *in_dev = from_timer(in_dev, t, mr_gq_timer);  in igmp_gq_timer_expire()  local
801 	in_dev->mr_gq_running = 0;  in igmp_gq_timer_expire()
802 	igmpv3_send_report(in_dev, NULL);  in igmp_gq_timer_expire()
803 	in_dev_put(in_dev);  in igmp_gq_timer_expire()
808 	struct in_device *in_dev = from_timer(in_dev, t, mr_ifc_timer);  in igmp_ifc_timer_expire()  local
811 	igmpv3_send_cr(in_dev);  in igmp_ifc_timer_expire()
813 	mr_ifc_count = READ_ONCE(in_dev->mr_ifc_count);  in igmp_ifc_timer_expire()
816 		if (cmpxchg(&in_dev->mr_ifc_count,  in igmp_ifc_timer_expire()
820 		igmp_ifc_start_timer(in_dev,  in igmp_ifc_timer_expire()
821 				     unsolicited_report_interval(in_dev));  in igmp_ifc_timer_expire()
823 	in_dev_put(in_dev);  in igmp_ifc_timer_expire()
826 static void igmp_ifc_event(struct in_device *in_dev)  in igmp_ifc_event()  argument
828 	struct net *net = dev_net(in_dev->dev);  in igmp_ifc_event()
829 	if (IGMP_V1_SEEN(in_dev) || IGMP_V2_SEEN(in_dev))  in igmp_ifc_event()
831 	WRITE_ONCE(in_dev->mr_ifc_count, in_dev->mr_qrv ?: READ_ONCE(net->ipv4.sysctl_igmp_qrv));  in igmp_ifc_event()
832 	igmp_ifc_start_timer(in_dev, 1);  in igmp_ifc_event()
839 	struct in_device *in_dev = im->interface;  in igmp_timer_expire()  local
845 		igmp_start_timer(im, unsolicited_report_interval(in_dev));  in igmp_timer_expire()
850 	if (IGMP_V1_SEEN(in_dev))  in igmp_timer_expire()
851 		igmp_send_report(in_dev, im, IGMP_HOST_MEMBERSHIP_REPORT);  in igmp_timer_expire()
852 	else if (IGMP_V2_SEEN(in_dev))  in igmp_timer_expire()
853 		igmp_send_report(in_dev, im, IGMPV2_HOST_MEMBERSHIP_REPORT);  in igmp_timer_expire()
855 		igmp_send_report(in_dev, im, IGMPV3_HOST_MEMBERSHIP_REPORT);  in igmp_timer_expire()
917 static bool igmp_heard_report(struct in_device *in_dev, __be32 group)  in igmp_heard_report()  argument
920 	struct net *net = dev_net(in_dev->dev);  in igmp_heard_report()
931 	for_each_pmc_rcu(in_dev, im) {  in igmp_heard_report()
942 static bool igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb,  in igmp_heard_query()  argument
951 	struct net		*net = dev_net(in_dev->dev);  in igmp_heard_query()
959 			in_dev->mr_v1_seen = jiffies +  in igmp_heard_query()
960 				(in_dev->mr_qrv * in_dev->mr_qi) +  in igmp_heard_query()
961 				in_dev->mr_qri;  in igmp_heard_query()
966 			in_dev->mr_v2_seen = jiffies +  in igmp_heard_query()
967 				(in_dev->mr_qrv * in_dev->mr_qi) +  in igmp_heard_query()
968 				in_dev->mr_qri;  in igmp_heard_query()
971 		WRITE_ONCE(in_dev->mr_ifc_count, 0);  in igmp_heard_query()
972 		if (del_timer(&in_dev->mr_ifc_timer))  in igmp_heard_query()
973 			__in_dev_put(in_dev);  in igmp_heard_query()
975 		igmpv3_clear_delrec(in_dev);  in igmp_heard_query()
978 	} else if (IGMP_V1_SEEN(in_dev)) {  in igmp_heard_query()
982 	} else if (IGMP_V2_SEEN(in_dev)) {  in igmp_heard_query()
1007 		in_dev->mr_maxdelay = max_delay;  in igmp_heard_query()
1013 		in_dev->mr_qrv = ih3->qrv ?: READ_ONCE(net->ipv4.sysctl_igmp_qrv);  in igmp_heard_query()
1014 		in_dev->mr_qi = IGMPV3_QQIC(ih3->qqic)*HZ ?: IGMP_QUERY_INTERVAL;  in igmp_heard_query()
1020 		if (in_dev->mr_qri >= in_dev->mr_qi)  in igmp_heard_query()
1021 			in_dev->mr_qri = (in_dev->mr_qi/HZ - 1)*HZ;  in igmp_heard_query()
1026 			igmp_gq_start_timer(in_dev);  in igmp_heard_query()
1044 	for_each_pmc_rcu(in_dev, im) {  in igmp_heard_query()
1075 	struct in_device *in_dev;  in igmp_rcv()  local
1085 	in_dev = __in_dev_get_rcu(dev);  in igmp_rcv()
1086 	if (!in_dev)  in igmp_rcv()
1098 		dropped = igmp_heard_query(in_dev, skb, len);  in igmp_rcv()
1108 			dropped = igmp_heard_report(in_dev, ih->group);  in igmp_rcv()
1140 static void ip_mc_filter_add(struct in_device *in_dev, __be32 addr)  in ip_mc_filter_add()  argument
1143 	struct net_device *dev = in_dev->dev;  in ip_mc_filter_add()
1160 static void ip_mc_filter_del(struct in_device *in_dev, __be32 addr)  in ip_mc_filter_del()  argument
1163 	struct net_device *dev = in_dev->dev;  in ip_mc_filter_del()
1173 static void igmpv3_add_delrec(struct in_device *in_dev, struct ip_mc_list *im,  in igmpv3_add_delrec()  argument
1177 	struct net *net = dev_net(in_dev->dev);  in igmpv3_add_delrec()
1191 	in_dev_hold(in_dev);  in igmpv3_add_delrec()
1193 	pmc->crcount = in_dev->mr_qrv ?: READ_ONCE(net->ipv4.sysctl_igmp_qrv);  in igmpv3_add_delrec()
1206 	spin_lock_bh(&in_dev->mc_tomb_lock);  in igmpv3_add_delrec()
1207 	pmc->next = in_dev->mc_tomb;  in igmpv3_add_delrec()
1208 	in_dev->mc_tomb = pmc;  in igmpv3_add_delrec()
1209 	spin_unlock_bh(&in_dev->mc_tomb_lock);  in igmpv3_add_delrec()
1215 static void igmpv3_del_delrec(struct in_device *in_dev, struct ip_mc_list *im)  in igmpv3_del_delrec()  argument
1219 	struct net *net = dev_net(in_dev->dev);  in igmpv3_del_delrec()
1222 	spin_lock_bh(&in_dev->mc_tomb_lock);  in igmpv3_del_delrec()
1224 	for (pmc = in_dev->mc_tomb; pmc; pmc = pmc->next) {  in igmpv3_del_delrec()
1233 			in_dev->mc_tomb = pmc->next;  in igmpv3_del_delrec()
1235 	spin_unlock_bh(&in_dev->mc_tomb_lock);  in igmpv3_del_delrec()
1244 				psf->sf_crcount = in_dev->mr_qrv ?:  in igmpv3_del_delrec()
1247 			im->crcount = in_dev->mr_qrv ?:  in igmpv3_del_delrec()
1259 static void igmpv3_clear_delrec(struct in_device *in_dev)  in igmpv3_clear_delrec()  argument
1263 	spin_lock_bh(&in_dev->mc_tomb_lock);  in igmpv3_clear_delrec()
1264 	pmc = in_dev->mc_tomb;  in igmpv3_clear_delrec()
1265 	in_dev->mc_tomb = NULL;  in igmpv3_clear_delrec()
1266 	spin_unlock_bh(&in_dev->mc_tomb_lock);  in igmpv3_clear_delrec()
1276 	for_each_pmc_rcu(in_dev, pmc) {  in igmpv3_clear_delrec()
1291 	struct in_device *in_dev = im->interface;  in __igmp_group_dropped()  local
1293 	struct net *net = dev_net(in_dev->dev);  in __igmp_group_dropped()
1299 		ip_mc_filter_del(in_dev, im->multiaddr);  in __igmp_group_dropped()
1312 	if (!in_dev->dead) {  in __igmp_group_dropped()
1313 		if (IGMP_V1_SEEN(in_dev))  in __igmp_group_dropped()
1315 		if (IGMP_V2_SEEN(in_dev)) {  in __igmp_group_dropped()
1317 				igmp_send_report(in_dev, im, IGMP_HOST_LEAVE_MESSAGE);  in __igmp_group_dropped()
1321 		igmpv3_add_delrec(in_dev, im, gfp);  in __igmp_group_dropped()
1323 		igmp_ifc_event(in_dev);  in __igmp_group_dropped()
1335 	struct in_device *in_dev = im->interface;  in igmp_group_added()  local
1337 	struct net *net = dev_net(in_dev->dev);  in igmp_group_added()
1342 		ip_mc_filter_add(in_dev, im->multiaddr);  in igmp_group_added()
1352 	if (in_dev->dead)  in igmp_group_added()
1356 	if (IGMP_V1_SEEN(in_dev) || IGMP_V2_SEEN(in_dev)) {  in igmp_group_added()
1369 		im->crcount = in_dev->mr_qrv ?: READ_ONCE(net->ipv4.sysctl_igmp_qrv);  in igmp_group_added()
1371 	igmp_ifc_event(in_dev);  in igmp_group_added()
1385 static void ip_mc_hash_add(struct in_device *in_dev,  in ip_mc_hash_add()  argument
1391 	mc_hash = rtnl_dereference(in_dev->mc_hash);  in ip_mc_hash_add()
1400 	if (in_dev->mc_count < 4)  in ip_mc_hash_add()
1408 	for_each_pmc_rtnl(in_dev, im) {  in ip_mc_hash_add()
1414 	rcu_assign_pointer(in_dev->mc_hash, mc_hash);  in ip_mc_hash_add()
1417 static void ip_mc_hash_remove(struct in_device *in_dev,  in ip_mc_hash_remove()  argument
1420 	struct ip_mc_list __rcu **mc_hash = rtnl_dereference(in_dev->mc_hash);  in ip_mc_hash_remove()
1435 static void ____ip_mc_inc_group(struct in_device *in_dev, __be32 addr,  in ____ip_mc_inc_group()  argument
1442 	for_each_pmc_rtnl(in_dev, im) {  in ____ip_mc_inc_group()
1445 			ip_mc_add_src(in_dev, &addr, mode, 0, NULL, 0);  in ____ip_mc_inc_group()
1455 	im->interface = in_dev;  in ____ip_mc_inc_group()
1456 	in_dev_hold(in_dev);  in ____ip_mc_inc_group()
1467 	im->next_rcu = in_dev->mc_list;  in ____ip_mc_inc_group()
1468 	in_dev->mc_count++;  in ____ip_mc_inc_group()
1469 	rcu_assign_pointer(in_dev->mc_list, im);  in ____ip_mc_inc_group()
1471 	ip_mc_hash_add(in_dev, im);  in ____ip_mc_inc_group()
1474 	igmpv3_del_delrec(in_dev, im);  in ____ip_mc_inc_group()
1477 	if (!in_dev->dead)  in ____ip_mc_inc_group()
1478 		ip_rt_multicast_event(in_dev);  in ____ip_mc_inc_group()
1483 void __ip_mc_inc_group(struct in_device *in_dev, __be32 addr, gfp_t gfp)  in __ip_mc_inc_group()  argument
1485 	____ip_mc_inc_group(in_dev, addr, MCAST_EXCLUDE, gfp);  in __ip_mc_inc_group()
1489 void ip_mc_inc_group(struct in_device *in_dev, __be32 addr)  in ip_mc_inc_group()  argument
1491 	__ip_mc_inc_group(in_dev, addr, GFP_KERNEL);  in ip_mc_inc_group()
1640 static void ip_mc_rejoin_groups(struct in_device *in_dev)  in ip_mc_rejoin_groups()  argument
1645 	struct net *net = dev_net(in_dev->dev);  in ip_mc_rejoin_groups()
1649 	for_each_pmc_rtnl(in_dev, im) {  in ip_mc_rejoin_groups()
1659 		if (IGMP_V1_SEEN(in_dev))  in ip_mc_rejoin_groups()
1661 		else if (IGMP_V2_SEEN(in_dev))  in ip_mc_rejoin_groups()
1665 		igmp_send_report(in_dev, im, type);  in ip_mc_rejoin_groups()
1674 void __ip_mc_dec_group(struct in_device *in_dev, __be32 addr, gfp_t gfp)  in __ip_mc_dec_group()  argument
1681 	for (ip = &in_dev->mc_list;  in __ip_mc_dec_group()
1686 				ip_mc_hash_remove(in_dev, i);  in __ip_mc_dec_group()
1688 				in_dev->mc_count--;  in __ip_mc_dec_group()
1692 				if (!in_dev->dead)  in __ip_mc_dec_group()
1693 					ip_rt_multicast_event(in_dev);  in __ip_mc_dec_group()
1706 void ip_mc_unmap(struct in_device *in_dev)  in ip_mc_unmap()  argument
1712 	for_each_pmc_rtnl(in_dev, pmc)  in ip_mc_unmap()
1716 void ip_mc_remap(struct in_device *in_dev)  in ip_mc_remap()  argument
1722 	for_each_pmc_rtnl(in_dev, pmc) {  in ip_mc_remap()
1724 		igmpv3_del_delrec(in_dev, pmc);  in ip_mc_remap()
1732 void ip_mc_down(struct in_device *in_dev)  in ip_mc_down()  argument
1738 	for_each_pmc_rtnl(in_dev, pmc)  in ip_mc_down()
1742 	WRITE_ONCE(in_dev->mr_ifc_count, 0);  in ip_mc_down()
1743 	if (del_timer(&in_dev->mr_ifc_timer))  in ip_mc_down()
1744 		__in_dev_put(in_dev);  in ip_mc_down()
1745 	in_dev->mr_gq_running = 0;  in ip_mc_down()
1746 	if (del_timer(&in_dev->mr_gq_timer))  in ip_mc_down()
1747 		__in_dev_put(in_dev);  in ip_mc_down()
1750 	ip_mc_dec_group(in_dev, IGMP_ALL_HOSTS);  in ip_mc_down()
1754 static void ip_mc_reset(struct in_device *in_dev)  in ip_mc_reset()  argument
1756 	struct net *net = dev_net(in_dev->dev);  in ip_mc_reset()
1758 	in_dev->mr_qi = IGMP_QUERY_INTERVAL;  in ip_mc_reset()
1759 	in_dev->mr_qri = IGMP_QUERY_RESPONSE_INTERVAL;  in ip_mc_reset()
1760 	in_dev->mr_qrv = READ_ONCE(net->ipv4.sysctl_igmp_qrv);  in ip_mc_reset()
1763 static void ip_mc_reset(struct in_device *in_dev)  in ip_mc_reset()  argument
1768 void ip_mc_init_dev(struct in_device *in_dev)  in ip_mc_init_dev()  argument
1773 	timer_setup(&in_dev->mr_gq_timer, igmp_gq_timer_expire, 0);  in ip_mc_init_dev()
1774 	timer_setup(&in_dev->mr_ifc_timer, igmp_ifc_timer_expire, 0);  in ip_mc_init_dev()
1776 	ip_mc_reset(in_dev);  in ip_mc_init_dev()
1778 	spin_lock_init(&in_dev->mc_tomb_lock);  in ip_mc_init_dev()
1783 void ip_mc_up(struct in_device *in_dev)  in ip_mc_up()  argument
1789 	ip_mc_reset(in_dev);  in ip_mc_up()
1790 	ip_mc_inc_group(in_dev, IGMP_ALL_HOSTS);  in ip_mc_up()
1792 	for_each_pmc_rtnl(in_dev, pmc) {  in ip_mc_up()
1794 		igmpv3_del_delrec(in_dev, pmc);  in ip_mc_up()
1804 void ip_mc_destroy_dev(struct in_device *in_dev)  in ip_mc_destroy_dev()  argument
1811 	ip_mc_down(in_dev);  in ip_mc_destroy_dev()
1813 	igmpv3_clear_delrec(in_dev);  in ip_mc_destroy_dev()
1816 	while ((i = rtnl_dereference(in_dev->mc_list)) != NULL) {  in ip_mc_destroy_dev()
1817 		in_dev->mc_list = i->next_rcu;  in ip_mc_destroy_dev()
1818 		in_dev->mc_count--;  in ip_mc_destroy_dev()
1882 		struct in_device *in_dev = pmc->interface;  in ip_mc_del1_src()  local
1883 		struct net *net = dev_net(in_dev->dev);  in ip_mc_del1_src()
1893 		    !IGMP_V1_SEEN(in_dev) && !IGMP_V2_SEEN(in_dev)) {  in ip_mc_del1_src()
1894 			psf->sf_crcount = in_dev->mr_qrv ?: READ_ONCE(net->ipv4.sysctl_igmp_qrv);  in ip_mc_del1_src()
1909 static int ip_mc_del_src(struct in_device *in_dev, __be32 *pmca, int sfmode,  in ip_mc_del_src()  argument
1916 	if (!in_dev)  in ip_mc_del_src()
1919 	for_each_pmc_rcu(in_dev, pmc) {  in ip_mc_del_src()
1952 		struct net *net = dev_net(in_dev->dev);  in ip_mc_del_src()
1958 		pmc->crcount = in_dev->mr_qrv ?: READ_ONCE(net->ipv4.sysctl_igmp_qrv);  in ip_mc_del_src()
1959 		WRITE_ONCE(in_dev->mr_ifc_count, pmc->crcount);  in ip_mc_del_src()
2081 static int ip_mc_add_src(struct in_device *in_dev, __be32 *pmca, int sfmode,  in ip_mc_add_src()  argument
2088 	if (!in_dev)  in ip_mc_add_src()
2091 	for_each_pmc_rcu(in_dev, pmc) {  in ip_mc_add_src()
2126 		in_dev = pmc->interface;  in ip_mc_add_src()
2137 		pmc->crcount = in_dev->mr_qrv ?: READ_ONCE(net->ipv4.sysctl_igmp_qrv);  in ip_mc_add_src()
2138 		WRITE_ONCE(in_dev->mr_ifc_count, pmc->crcount);  in ip_mc_add_src()
2141 		igmp_ifc_event(in_dev);  in ip_mc_add_src()
2143 		igmp_ifc_event(in_dev);  in ip_mc_add_src()
2175 	struct in_device *in_dev;  in __ip_mc_join_group()  local
2187 	in_dev = ip_mc_find_dev(net, imr);  in __ip_mc_join_group()
2189 	if (!in_dev) {  in __ip_mc_join_group()
2214 	____ip_mc_inc_group(in_dev, addr, mode, GFP_KERNEL);  in __ip_mc_join_group()
2237 			   struct in_device *in_dev)  in ip_mc_leave_src()  argument
2244 		return ip_mc_del_src(in_dev, &iml->multi.imr_multiaddr.s_addr,  in ip_mc_leave_src()
2247 	err = ip_mc_del_src(in_dev, &iml->multi.imr_multiaddr.s_addr,  in ip_mc_leave_src()
2261 	struct in_device *in_dev;  in ip_mc_leave_group()  local
2269 	in_dev = ip_mc_find_dev(net, imr);  in ip_mc_leave_group()
2270 	if (!imr->imr_ifindex && !imr->imr_address.s_addr && !in_dev) {  in ip_mc_leave_group()
2287 		(void) ip_mc_leave_src(sk, iml, in_dev);  in ip_mc_leave_group()
2291 		if (in_dev)  in ip_mc_leave_group()
2292 			ip_mc_dec_group(in_dev, group);  in ip_mc_leave_group()
2311 	struct in_device *in_dev = NULL;  in ip_mc_source()  local
2326 	in_dev = ip_mc_find_dev(net, &imr);  in ip_mc_source()
2328 	if (!in_dev) {  in ip_mc_source()
2352 		ip_mc_add_src(in_dev, &mreqs->imr_multiaddr, omode, 0, NULL, 0);  in ip_mc_source()
2353 		ip_mc_del_src(in_dev, &mreqs->imr_multiaddr, pmc->sfmode, 0,  in ip_mc_source()
2379 		ip_mc_del_src(in_dev, &mreqs->imr_multiaddr, omode, 1,  in ip_mc_source()
2435 	ip_mc_add_src(in_dev, &mreqs->imr_multiaddr, omode, 1,  in ip_mc_source()
2449 	struct in_device *in_dev;  in ip_mc_msfilter()  local
2466 	in_dev = ip_mc_find_dev(net, &imr);  in ip_mc_msfilter()
2468 	if (!in_dev) {  in ip_mc_msfilter()
2499 		err = ip_mc_add_src(in_dev, &msf->imsf_multiaddr,  in ip_mc_msfilter()
2509 		(void) ip_mc_add_src(in_dev, &msf->imsf_multiaddr,  in ip_mc_msfilter()
2514 		(void) ip_mc_del_src(in_dev, &msf->imsf_multiaddr, pmc->sfmode,  in ip_mc_msfilter()
2520 		(void) ip_mc_del_src(in_dev, &msf->imsf_multiaddr, pmc->sfmode,  in ip_mc_msfilter()
2540 	struct in_device *in_dev;  in ip_mc_msfget()  local
2553 	in_dev = ip_mc_find_dev(net, &imr);  in ip_mc_msfget()
2555 	if (!in_dev) {  in ip_mc_msfget()
2701 		struct in_device *in_dev;  in ip_mc_drop_socket()  local
2704 		in_dev = inetdev_by_index(net, iml->multi.imr_ifindex);  in ip_mc_drop_socket()
2705 		(void) ip_mc_leave_src(sk, iml, in_dev);  in ip_mc_drop_socket()
2706 		if (in_dev)  in ip_mc_drop_socket()
2707 			ip_mc_dec_group(in_dev, iml->multi.imr_multiaddr.s_addr);  in ip_mc_drop_socket()
2716 int ip_check_mc_rcu(struct in_device *in_dev, __be32 mc_addr, __be32 src_addr, u8 proto)  in ip_check_mc_rcu()  argument
2723 	mc_hash = rcu_dereference(in_dev->mc_hash);  in ip_check_mc_rcu()
2734 		for_each_pmc_rcu(in_dev, im) {  in ip_check_mc_rcu()
2765 	struct in_device *in_dev;  member
2776 	state->in_dev = NULL;  in igmp_mc_get_first()
2778 		struct in_device *in_dev;  in igmp_mc_get_first()  local
2780 		in_dev = __in_dev_get_rcu(state->dev);  in igmp_mc_get_first()
2781 		if (!in_dev)  in igmp_mc_get_first()
2783 		im = rcu_dereference(in_dev->mc_list);  in igmp_mc_get_first()
2785 			state->in_dev = in_dev;  in igmp_mc_get_first()
2800 			state->in_dev = NULL;  in igmp_mc_get_next()
2803 		state->in_dev = __in_dev_get_rcu(state->dev);  in igmp_mc_get_next()
2804 		if (!state->in_dev)  in igmp_mc_get_next()
2806 		im = rcu_dereference(state->in_dev->mc_list);  in igmp_mc_get_next()
2843 	state->in_dev = NULL;  in igmp_mc_seq_stop()
2860 		querier = IGMP_V1_SEEN(state->in_dev) ? "V1" :  in igmp_mc_seq_show()
2861 			  IGMP_V2_SEEN(state->in_dev) ? "V2" :  in igmp_mc_seq_show()
2867 		if (rcu_access_pointer(state->in_dev->mc_list) == im) {  in igmp_mc_seq_show()
2869 				   state->dev->ifindex, state->dev->name, state->in_dev->mc_count, querier);  in igmp_mc_seq_show()
3071 	struct in_device *in_dev;  in igmp_netdev_event()  local
3075 		in_dev = __in_dev_get_rtnl(dev);  in igmp_netdev_event()
3076 		if (in_dev)  in igmp_netdev_event()
3077 			ip_mc_rejoin_groups(in_dev);  in igmp_netdev_event()