void ip_mc_inc_group(struct in_device *in_dev, u32 addr)
{
struct ip_mc_list *i, *im;
im = (struct ip_mc_list *)kmalloc(sizeof(*im), GFP_KERNEL);
for (i=in_dev->mc_list; i; i=i->next) {
if (i->multiaddr == addr) {
i->users++;
if (im)
kfree(im);
return;
}
}
if (!im)
return;
im->users=1;
im->interface=in_dev;
im->multiaddr=addr;
#ifdef CONFIG_IP_MULTICAST
im->tm_running=0;
init_timer(&im->timer);
im->timer.data=(unsigned long)im;
im->timer.function=&igmp_timer_expire;
im->unsolicit_count = IGMP_Unsolicited_Report_Count;
im->reporter = 0;
im->loaded = 0;
#endif
im->next=in_dev->mc_list;
in_dev->mc_list=im;
igmp_group_added(im);
if (in_dev->dev->flags & IFF_UP)
ip_rt_multicast_event(in_dev);
return;
}
void ip_mc_up(struct in_device *in_dev)
{
struct ip_mc_list *i;
ip_mc_inc_group(in_dev, IGMP_ALL_HOSTS);
for (i=in_dev->mc_list; i; i=i->next)
igmp_group_added(i);
}
void ip_mc_up(struct in_device *in_dev)
{
struct ip_mc_list *i;
ASSERT_RTNL();
ip_mc_inc_group(in_dev, IGMP_ALL_HOSTS);
for (i=in_dev->mc_list; i; i=i->next)
igmp_group_added(i);
#ifdef CONFIG_RG_IGMP_PROXY
igmprx_if_up(in_dev);
#endif
#ifdef CONFIG_RG_IGMP_PROXY_MODULE
if (igmp_proxy_if_up)
igmp_proxy_if_up(in_dev);
#endif
}
void ip_mc_inc_group(struct in_device *in_dev, u32 addr)
{
struct ip_mc_list *im;
ASSERT_RTNL();
for (im=in_dev->mc_list; im; im=im->next) {
if (im->multiaddr == addr) {
im->users++;
goto out;
}
}
im = (struct ip_mc_list *)kmalloc(sizeof(*im), GFP_KERNEL);
if (!im)
goto out;
im->users=1;
im->interface=in_dev;
in_dev_hold(in_dev);
im->multiaddr=addr;
atomic_set(&im->refcnt, 1);
spin_lock_init(&im->lock);
#ifdef CONFIG_IP_MULTICAST
im->tm_running=0;
init_timer(&im->timer);
im->timer.data=(unsigned long)im;
im->timer.function=&igmp_timer_expire;
im->unsolicit_count = IGMP_Unsolicited_Report_Count;
im->reporter = 0;
#endif
im->loaded = 0;
write_lock_bh(&in_dev->lock);
im->next=in_dev->mc_list;
in_dev->mc_list=im;
write_unlock_bh(&in_dev->lock);
igmp_group_added(im);
if (in_dev->dev->flags & IFF_UP)
ip_rt_multicast_event(in_dev);
out:
return;
}
static void ip_mc_inc_group(struct device *dev, unsigned long addr)
{
struct ip_mc_list *i;
for(i=dev->ip_mc_list;i!=NULL;i=i->next)
{
if(i->multiaddr==addr)
{
i->users++;
return;
}
}
i=(struct ip_mc_list *)kmalloc(sizeof(*i), GFP_KERNEL);
if(!i)
return;
i->users=1;
i->interface=dev;
i->multiaddr=addr;
i->next=dev->ip_mc_list;
igmp_group_added(i);
dev->ip_mc_list=i;
}