/// <summary>
/// Send ethernet packet
/// </summary>
/// <param name="packet">Packet structure</param>
/// <param name="destMAC">Destination MAC</param>
/// <param name="protocol">Protocol</param>
public static unsafe void Send(NetPacketDesc *packet, byte[] destIP, EthernetTypes protocol)
{
// 1 TIME PLEASE
byte *srcMAC = (byte *)Heap.Alloc(6);
Network.GetMac(srcMAC);
// Get MAC from ARP :D
byte *dstMac = (byte *)Heap.Alloc(6);
bool found = Route.FindRoute(destIP, dstMac);
if (!found)
{
Heap.Free(srcMAC);
Heap.Free(dstMac);
return;
}
addHeader(packet, Util.PtrToArray(dstMac), Util.PtrToArray(srcMAC), protocol);
Network.Transmit(packet);
Heap.Free(srcMAC);
Heap.Free(dstMac);
}
/// <summary>
/// Send ethernet packet
/// </summary>
/// <param name="packet">Packet structure</param>
/// <param name="destMAC">Destination MAC</param>
/// <param name="protocol">Protocol</param>
public static unsafe void SendMAC(NetPacketDesc *packet, byte[] destMac, EthernetTypes protocol)
{
// 1 TIME PLEASE
byte *srcMAC = (byte *)Heap.Alloc(6);
Network.GetMac(srcMAC);
addHeader(packet, destMac, Util.PtrToArray(srcMAC), protocol);
Heap.Free(srcMAC);
Network.Transmit(packet);
}
/// <summary>
/// Add header to packet
/// </summary>
/// <param name="packet">Packet structure</param>
/// <param name="dest">Destination MAC</param>
/// <param name="src">Source MAC</param>
/// <param name="protocol">Protocol</param>
/// <returns></returns>
private static unsafe EthernetHeader *addHeader(NetPacketDesc *packet, byte[] dest, byte[] src, EthernetTypes protocol)
{
packet->start -= (short)sizeof(EthernetHeader);
EthernetHeader *header = (EthernetHeader *)(packet->buffer + packet->start);
Memory.Memcpy(header->Destination, Util.ObjectToVoidPtr(dest), 6);
Memory.Memcpy(header->Source, Util.ObjectToVoidPtr(src), 6);
header->Protocol = Byte.ReverseBytes((ushort)protocol);
return(header);
}
