/// <summary>
/// Add packet.
/// </summary>
/// <param name="packet">IP packet.</param>
internal static void AddPacket(IPPacket packet)
{
EnsureQueueExists();
NetworkDevice nic = IPConfig.FindInterface(packet.SourceIP);
packet.SourceMAC = nic.MACAddress;
queue.Add(new BufferEntry(nic, packet));
}