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@ -107,9 +107,6 @@
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#include <linux/seq_file.h>
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#endif
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/* IGMP reports for link-local multicast groups are enabled by default */
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int sysctl_igmp_llm_reports __read_mostly = 1;
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#ifdef CONFIG_IP_MULTICAST
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/* Parameter names and values are taken from igmp-v2-06 draft */
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@ -430,6 +427,7 @@ static struct sk_buff *add_grec(struct sk_buff *skb, struct ip_mc_list *pmc,
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int type, int gdeleted, int sdeleted)
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{
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struct net_device *dev = pmc->interface->dev;
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struct net *net = dev_net(dev);
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struct igmpv3_report *pih;
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struct igmpv3_grec *pgr = NULL;
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struct ip_sf_list *psf, *psf_next, *psf_prev, **psf_list;
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@ -437,7 +435,7 @@ static struct sk_buff *add_grec(struct sk_buff *skb, struct ip_mc_list *pmc,
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if (pmc->multiaddr == IGMP_ALL_HOSTS)
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return skb;
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if (ipv4_is_local_multicast(pmc->multiaddr) && !sysctl_igmp_llm_reports)
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if (ipv4_is_local_multicast(pmc->multiaddr) && !net->ipv4.sysctl_igmp_llm_reports)
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return skb;
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isquery = type == IGMPV3_MODE_IS_INCLUDE ||
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@ -540,6 +538,7 @@ empty_source:
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static int igmpv3_send_report(struct in_device *in_dev, struct ip_mc_list *pmc)
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{
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struct sk_buff *skb = NULL;
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struct net *net = dev_net(in_dev->dev);
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int type;
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if (!pmc) {
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@ -548,7 +547,7 @@ static int igmpv3_send_report(struct in_device *in_dev, struct ip_mc_list *pmc)
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if (pmc->multiaddr == IGMP_ALL_HOSTS)
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continue;
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if (ipv4_is_local_multicast(pmc->multiaddr) &&
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!sysctl_igmp_llm_reports)
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!net->ipv4.sysctl_igmp_llm_reports)
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continue;
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spin_lock_bh(&pmc->lock);
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if (pmc->sfcount[MCAST_EXCLUDE])
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@ -684,7 +683,7 @@ static int igmp_send_report(struct in_device *in_dev, struct ip_mc_list *pmc,
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if (type == IGMPV3_HOST_MEMBERSHIP_REPORT)
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return igmpv3_send_report(in_dev, pmc);
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if (ipv4_is_local_multicast(group) && !sysctl_igmp_llm_reports)
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if (ipv4_is_local_multicast(group) && !net->ipv4.sysctl_igmp_llm_reports)
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return 0;
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if (type == IGMP_HOST_LEAVE_MESSAGE)
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@ -855,12 +854,13 @@ static int igmp_marksources(struct ip_mc_list *pmc, int nsrcs, __be32 *srcs)
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static bool igmp_heard_report(struct in_device *in_dev, __be32 group)
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{
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struct ip_mc_list *im;
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struct net *net = dev_net(in_dev->dev);
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/* Timers are only set for non-local groups */
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if (group == IGMP_ALL_HOSTS)
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return false;
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if (ipv4_is_local_multicast(group) && !sysctl_igmp_llm_reports)
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if (ipv4_is_local_multicast(group) && !net->ipv4.sysctl_igmp_llm_reports)
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return false;
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rcu_read_lock();
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@ -884,6 +884,7 @@ static bool igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb,
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__be32 group = ih->group;
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int max_delay;
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int mark = 0;
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struct net *net = dev_net(in_dev->dev);
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if (len == 8) {
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@ -969,7 +970,7 @@ static bool igmp_heard_query(struct in_device *in_dev, struct sk_buff *skb,
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if (im->multiaddr == IGMP_ALL_HOSTS)
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continue;
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if (ipv4_is_local_multicast(im->multiaddr) &&
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!sysctl_igmp_llm_reports)
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!net->ipv4.sysctl_igmp_llm_reports)
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continue;
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spin_lock_bh(&im->lock);
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if (im->tm_running)
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@ -1184,6 +1185,7 @@ static void igmp_group_dropped(struct ip_mc_list *im)
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{
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struct in_device *in_dev = im->interface;
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#ifdef CONFIG_IP_MULTICAST
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struct net *net = dev_net(in_dev->dev);
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int reporter;
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#endif
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@ -1195,7 +1197,7 @@ static void igmp_group_dropped(struct ip_mc_list *im)
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#ifdef CONFIG_IP_MULTICAST
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if (im->multiaddr == IGMP_ALL_HOSTS)
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return;
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if (ipv4_is_local_multicast(im->multiaddr) && !sysctl_igmp_llm_reports)
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if (ipv4_is_local_multicast(im->multiaddr) && !net->ipv4.sysctl_igmp_llm_reports)
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return;
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reporter = im->reporter;
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@ -1220,6 +1222,7 @@ static void igmp_group_dropped(struct ip_mc_list *im)
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static void igmp_group_added(struct ip_mc_list *im)
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{
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struct in_device *in_dev = im->interface;
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struct net *net = dev_net(in_dev->dev);
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if (im->loaded == 0) {
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im->loaded = 1;
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@ -1229,7 +1232,7 @@ static void igmp_group_added(struct ip_mc_list *im)
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#ifdef CONFIG_IP_MULTICAST
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if (im->multiaddr == IGMP_ALL_HOSTS)
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return;
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if (ipv4_is_local_multicast(im->multiaddr) && !sysctl_igmp_llm_reports)
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if (ipv4_is_local_multicast(im->multiaddr) && !net->ipv4.sysctl_igmp_llm_reports)
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return;
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if (in_dev->dead)
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@ -1530,6 +1533,7 @@ static void ip_mc_rejoin_groups(struct in_device *in_dev)
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#ifdef CONFIG_IP_MULTICAST
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struct ip_mc_list *im;
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int type;
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struct net *net = dev_net(in_dev->dev);
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ASSERT_RTNL();
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@ -1537,7 +1541,7 @@ static void ip_mc_rejoin_groups(struct in_device *in_dev)
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if (im->multiaddr == IGMP_ALL_HOSTS)
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continue;
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if (ipv4_is_local_multicast(im->multiaddr) &&
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!sysctl_igmp_llm_reports)
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!net->ipv4.sysctl_igmp_llm_reports)
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continue;
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/* a failover is happening and switches
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