protected override void initFields()
{
//Sys.Console.WriteLine("ARPPacket_Ethernet.initFields() called");
base.initFields();
mSenderMAC = new MACAddress(mRawData, 22);
mSenderIP = new Address(mRawData, 28);
mTargetMAC = new MACAddress(mRawData, 32);
mTargetIP = new Address(mRawData, 38);
}
protected EthernetPacket(MACAddress dest, MACAddress src, UInt16 type, int packet_size)
{
mRawData = new byte[packet_size];
for (int i = 0; i < 6; i++)
{
mRawData[i] = dest.bytes[i];
mRawData[6 + i] = src.bytes[i];
}
mRawData[12] = (byte)(type >> 8);
mRawData[13] = (byte)(type >> 0);
initFields();
}
protected ARPPacket(MACAddress dest, MACAddress src, UInt16 hwType, UInt16 protoType,
byte hwLen, byte protoLen, UInt16 operation, int packet_size)
: base(dest, src, 0x0806, packet_size)
{
mRawData[14] = (byte)(hwType >> 8);
mRawData[15] = (byte)(hwType >> 0);
mRawData[16] = (byte)(protoType >> 8);
mRawData[17] = (byte)(protoType >> 0);
mRawData[18] = hwLen;
mRawData[19] = protoLen;
mRawData[20] = (byte)(operation >> 8);
mRawData[21] = (byte)(operation >> 0);
initFields();
}
protected ARPPacket_Ethernet(UInt16 operation, MACAddress senderMAC, Address senderIP,
MACAddress targetMAC, Address targetIP, int packet_size)
: base(targetMAC, senderMAC, 1, 0x0800, 6, 4, operation, packet_size)
{
for (int i = 0; i < 6; i++)
{
mRawData[22 + i] = senderMAC.bytes[i];
mRawData[32 + i] = targetMAC.bytes[i];
}
for (int i = 0; i < 4; i++)
{
mRawData[28 + i] = senderIP.address[i];
mRawData[38 + i] = targetIP.address[i];
}
initFields();
}
static MACAddress()
{
var xBroadcastArray = new byte[6];
xBroadcastArray[0] = 0xFF;
xBroadcastArray[1] = 0xFF;
xBroadcastArray[2] = 0xFF;
xBroadcastArray[3] = 0xFF;
xBroadcastArray[4] = 0xFF;
xBroadcastArray[5] = 0xFF;
Broadcast = new MACAddress(xBroadcastArray);
var xNoneArray = new byte[6];
xNoneArray[0] = 0xFF;
xNoneArray[1] = 0xFF;
xNoneArray[2] = 0xFF;
xNoneArray[3] = 0xFF;
xNoneArray[4] = 0xFF;
xNoneArray[5] = 0xFF;
None = new MACAddress(xNoneArray);
}
private IPPacket(MACAddress srcMAC, MACAddress destMAC, UInt16 dataLength, byte protocol,
Address source, Address dest)
: base(destMAC, srcMAC, 0x0800, dataLength + 14 + 20)
{
mRawData[14] = 0x45;
mRawData[15] = 0;
ipLength = (UInt16)(dataLength + 20);
ipHeaderLength = 5;
mRawData[16] = (byte)((ipLength >> 8) & 0xFF);
mRawData[17] = (byte)((ipLength >> 0) & 0xFF);
fragmentID = NextIPFragmentID;
mRawData[18] = (byte)((fragmentID >> 8) & 0xFF);
mRawData[19] = (byte)((fragmentID >> 0) & 0xFF);
mRawData[20] = 0x00;
mRawData[21] = 0x00;
mRawData[22] = 0x80;
mRawData[23] = protocol;
mRawData[24] = 0x00;
mRawData[25] = 0x00;
for (int b = 0; b < 4; b++)
{
mRawData[26 + b] = source.address[b];
mRawData[30 + b] = dest.address[b];
}
ipCRC = CalcIPCRC(20);
mRawData[24] = (byte)((ipCRC >> 8) & 0xFF);
mRawData[25] = (byte)((ipCRC >> 0) & 0xFF);
initFields();
}
public AMDPCNetII(PCIDeviceNormal device)
: base()
{
if (device == null)
{
throw new ArgumentException("PCI Device is null. Unable to get AMD PCNet card");
}
this.pciCard = device;
this.pciCard.Claimed = true;
this.pciCard.EnableDevice();
this.io = new IOGroup(this.pciCard);
this.io.RegisterData.DWord = 0;
// Get the EEPROM MAC Address and set it as the devices MAC
byte[] eeprom_mac = new byte[6];
UInt32 result = io.MAC1.DWord;
eeprom_mac[0] = BinaryHelper.GetByteFrom32bit(result, 0);
eeprom_mac[1] = BinaryHelper.GetByteFrom32bit(result, 8);
eeprom_mac[2] = BinaryHelper.GetByteFrom32bit(result, 16);
eeprom_mac[3] = BinaryHelper.GetByteFrom32bit(result, 24);
result = io.MAC2.DWord;
eeprom_mac[4] = BinaryHelper.GetByteFrom32bit(result, 0);
eeprom_mac[5] = BinaryHelper.GetByteFrom32bit(result, 8);
mac = new MACAddress(eeprom_mac);
mInitBlock = new ManagedMemoryBlock(28, 4);
mRxDescriptor = new ManagedMemoryBlock(256, 16);
mTxDescriptor = new ManagedMemoryBlock(256, 16);
mInitBlock.Write32(0x00, (0x4 << 28) | (0x4 << 20));
mInitBlock.Write32(0x04, (UInt32)(eeprom_mac[0] | (eeprom_mac[1] << 8) | (eeprom_mac[2] << 16) | (eeprom_mac[3] << 24)));
mInitBlock.Write32(0x08, (UInt32)(eeprom_mac[4] | (eeprom_mac[5] << 8)));
mInitBlock.Write32(0x0C, 0x0);
mInitBlock.Write32(0x10, 0x0);
mInitBlock.Write32(0x14, mRxDescriptor.Offset);
mInitBlock.Write32(0x18, mTxDescriptor.Offset);
InitializationBlockAddress = mInitBlock.Offset;
SoftwareStyleRegister = 0x03;
mRxBuffers = new List<ManagedMemoryBlock>();
mTxBuffers = new List<ManagedMemoryBlock>();
for (uint rxd = 0; rxd < 16; rxd++)
{
uint xOffset = rxd * 16;
ManagedMemoryBlock buffer = new ManagedMemoryBlock(2048);
mRxDescriptor.Write32(xOffset + 8, buffer.Offset);
UInt16 buffer_len = (UInt16)(~buffer.Size);
buffer_len++;
UInt32 flags = (UInt32)(buffer_len & 0x0FFF) | 0xF000 | 0x80000000;
mRxDescriptor.Write32(xOffset + 4, flags);
mRxBuffers.Add(buffer);
}
for (uint txd = 0; txd < 16; txd++)
{
uint xOffset = txd * 16;
ManagedMemoryBlock buffer = new ManagedMemoryBlock(2048);
mTxDescriptor.Write32(xOffset + 8, buffer.Offset);
mTxBuffers.Add(buffer);
}
mNextTXDesc = 0;
// Setup our Receive and Transmit Queues
mTransmitBuffer = new Queue<byte[]>();
mRecvBuffer = new Queue<byte[]>();
INTs.SetIrqHandler(device.InterruptLine, HandleNetworkInterrupt);
}
protected virtual void initFields()
{
destMAC = new MACAddress(mRawData, 0);
srcMAC = new MACAddress(mRawData, 6);
aEtherType = (UInt16)((mRawData[12] << 8) | mRawData[13]);
}
internal ARPReply_Ethernet(MACAddress ourMAC, Address ourIP, MACAddress targetMAC, Address targetIP)
: base(2, ourMAC, ourIP, targetMAC, targetIP, 42)
{ }
internal ARPRequest_Ethernet(MACAddress ourMAC, Address ourIP, MACAddress targetMAC, Address targetIP)
: base(1, ourMAC, ourIP, targetMAC, targetIP, 42)
{ }
public MACAddress(MACAddress m)
: this(m.bytes)
{
}
