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net: if: Add IPv4 multicast address join/leave functions

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Allows caller to mark IPv4 multicast address to be used or not.

Signed-off-by: Jukka Rissanen <jukka.rissanen@linux.intel.com>
This commit is contained in:
Jukka Rissanen 2021-04-26 19:59:05 +03:00 • committed by Jukka Rissanen
commit e5043f5a7f
2 changed files with 50 additions and 0 deletions
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22
subsys/net/ip/net_if.c
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@ -3736,6 +3736,28 @@ out:
return addr;
}
void net_if_ipv4_maddr_leave(struct net_if_mcast_addr *addr)
{
NET_ASSERT(addr);
k_mutex_lock(&lock, K_FOREVER);
addr->is_joined = false;
k_mutex_unlock(&lock);
}
void net_if_ipv4_maddr_join(struct net_if_mcast_addr *addr)
{
NET_ASSERT(addr);
k_mutex_lock(&lock, K_FOREVER);
addr->is_joined = true;
k_mutex_unlock(&lock);
}
static void iface_ipv4_init(int if_count)
{
int i;