/* Get the MAC address for a multicast IP address. Call Mnp's McastIpToMac to find the MAC address in stead of hard code the NIC to be Ethernet. */
EFI_STATUS Ip4GetMulticastMac(IN EFI_MANAGED_NETWORK_PROTOCOL *Mnp, IN IP4_ADDR Multicast, OUT EFI_MAC_ADDRESS *Mac)
/* Get the MAC address for a multicast IP address. Call Mnp's McastIpToMac to find the MAC address in stead of hard code the NIC to be Ethernet. */
EFI_STATUS Ip4GetMulticastMac(IN EFI_MANAGED_NETWORK_PROTOCOL *Mnp, IN IP4_ADDR Multicast, OUT EFI_MAC_ADDRESS *Mac)
{
  EFI_IP_ADDRESS  EfiIp;
  EFI_IP4 (EfiIp.v4) = HTONL (Multicast);
  return Mnp->McastIpToMac (Mnp, FALSE, &EfiIp, Mac);
}