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RTL - Promiscuous mode and some TCR changes.

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This commit is contained in:
Scalpel_cp 2008-03-29 11:16:24 +00:00
parent b56844dbf1
commit 1502cd7ff9
7 changed files with 130 additions and 44 deletions
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2
source/Boot/KudzuTest/Program.cs
View file

@ -34,7 +34,7 @@ namespace KudzuTest {
//Cosmos.Kernel.Temp.Kudzu.PCI.Test();
// Load
var xNICs = RTLDriver.RTL8139.FindRTL8139Devices();
var xNICs = RTLDriver.RTL8139.FindAll();
if (xNICs.Count == 0) {
throw new Exception("Unable to find RTL8139 network card!");
}

1
source/Cosmos.Build.Windows/Builder.cs
View file

@ -168,6 +168,7 @@ namespace Cosmos.Build.Windows {
// Ethernet card - Later the model should be a QEMU option on
// options screen
+ " -net nic,model=rtl8139,macaddr=52:54:00:12:34:57"
//+ " -net tap,ifname=CosmosTAP" //for network testing
+ " -net user"
, ToolsPath + @"qemu\", false, true);

61
source/Cosmos/Cosmos.Hardware/Network/Devices/RTL8139/RTL8139.cs
View file

@ -17,7 +17,7 @@ namespace Cosmos.Hardware.Network.Devices.RTL8139
/// Retrieve all Realtek 8139 network cards found on computer.
/// </summary>
/// <returns></returns>
public static List<RTL8139> FindRTL8139Devices()
public static List<RTL8139> FindAll()
{
List<RTL8139> found = new List<RTL8139>();
@ -39,11 +39,6 @@ namespace Cosmos.Hardware.Network.Devices.RTL8139
private byte[] TxBuffer2;
private byte[] TxBuffer3;
private byte[] RxBuffer;
//private byte[] RxBuffer2 = new byte[2048];
//private byte[] RxBuffer3 = new byte[2048];
//private byte[] RxBuffer4 = new byte[2048];
public RTL8139(PCIDevice device)
{
@ -101,6 +96,7 @@ namespace Cosmos.Hardware.Network.Devices.RTL8139
//Setting Receive configuration
var rcr = Register.ReceiveConfigurationRegister.Load(pciCard);
rcr.Init();
rcr.PromiscuousMode = true;
//Enable IRQ Interrupt
SetIRQMaskRegister();
@ -108,22 +104,43 @@ namespace Cosmos.Hardware.Network.Devices.RTL8139
Cosmos.Hardware.PC.Interrupts.IRQ11 = new Cosmos.Hardware.PC.Interrupts.InterruptDelegate(HandleNetworkInterrupt);
}
#region Operational properties
/// <summary>
/// Changes the Loopback mode.
/// </summary>
/// <param name="value">True to enable Loopback. False for normal operation.</param>
public void SetLoopbackMode(bool value)
public bool LoopbackMode
{
var tcr = Register.TransmitConfigurationRegister.Load(pciCard);
tcr.LoopbackMode = value;
get
{
var tcr = Register.TransmitConfigurationRegister.Load(pciCard);
return tcr.LoopbackMode;
}
set
{
var tcr = Register.TransmitConfigurationRegister.Load(pciCard);
tcr.LoopbackMode = value;
}
}
public bool GetLoopbackMode()
public bool PromiscuousMode
{
var tcr = Register.TransmitConfigurationRegister.Load(pciCard);
return tcr.LoopbackMode;
get
{
var rcr = Register.ReceiveConfigurationRegister.Load(pciCard);
return rcr.PromiscuousMode;
}
set
{
var rcr = Register.ReceiveConfigurationRegister.Load(pciCard);
rcr.PromiscuousMode = value;
}
}
#endregion
public override bool QueueBytes(byte[] buffer, int offset, int length)
{
throw new NotImplementedException();
@ -155,11 +172,18 @@ namespace Cosmos.Hardware.Network.Devices.RTL8139
get { return "Generic RTL8139 Network device"; }
}
#region Power and Initilization
/// <summary>
/// Enables RTL network card by setting CONFIG_1 register.
/// </summary>
/// <returns></returns>
public override bool Enable()
{
//Writes 0x00 to CONFIG_1 registers to enable card
regs.Config1 = 0x00;
return true;
regs.Config1 = 0x00;
return base.Enable(); //enables PCI card as well
}
/// <summary>
@ -181,6 +205,11 @@ namespace Cosmos.Hardware.Network.Devices.RTL8139
Console.WriteLine("Reset Complete!");
}
#endregion
#region Receive and Interrupt
/// <summary>
/// (Should be) Called when the PCI network card raises an Interrupt.
/// </summary>
@ -221,6 +250,8 @@ namespace Cosmos.Hardware.Network.Devices.RTL8139
throw new NotImplementedException();
}
#endregion
/// <summary>
/// Enable the NIC to be able to Recieve data.
/// </summary>
@ -369,7 +400,7 @@ namespace Cosmos.Hardware.Network.Devices.RTL8139
return true;
}
public bool TransmitRaw(byte[] aData) {
WriteAddressToPCI(ref aData, pciCard.BaseAddress1 + (byte)Register.MainRegister.Bit.TSAD0);

25
source/Cosmos/Cosmos.Hardware/Network/Devices/RTL8139/Register/ReceiveConfigurationRegister.cs
View file

@ -9,6 +9,7 @@ namespace Cosmos.Hardware.Network.Devices.RTL8139.Register
/// <summary>
/// Receive Configuration Register is used to set receive configuration.
/// Offset 44h from main memory.
/// Is 32 bits wide.
/// </summary>
public class ReceiveConfigurationRegister
{
@ -34,13 +35,35 @@ namespace Cosmos.Hardware.Network.Devices.RTL8139.Register
IOSpace.Write32(rcrAddress, data);
}
/// <summary>
/// Get or Sets all 32 bits in Receive Configuration Register
/// </summary>
public UInt32 RCR
{
get
{
return IOSpace.Read32(rcrAddress);
}
private set { ;}
private set
{
IOSpace.Write32(rcrAddress, value);
}
}
/// <summary>
/// Gets or Sets the promiscuous mode. When Promisuous mode set ALL detected packets on network are put into Receive buffer, not
/// just the packets sent directly to us.
/// </summary>
public bool PromiscuousMode
{
get
{
return BinaryHelper.CheckBit(IOSpace.Read32(rcrAddress), 0);
}
set
{
this.RCR = BinaryHelper.FlipBit(this.RCR, 0);
}
}
public enum BitValue : uint

45
source/Cosmos/Cosmos.Hardware/Network/Devices/RTL8139/Register/TransmitConfigurationRegister.cs
View file

@ -14,12 +14,10 @@ namespace Cosmos.Hardware.Network.Devices.RTL8139.Register
/// </summary>
public class TransmitConfigurationRegister
{
private UInt32 tcr;
private PCIDevice pci;
private UInt32 tcrAddress;
private TransmitConfigurationRegister(UInt32 data, PCIDevice hw, UInt32 adr)
{
tcr = data;
pci = hw;
tcrAddress = adr;
}
@ -35,40 +33,45 @@ namespace Cosmos.Hardware.Network.Devices.RTL8139.Register
{
//Set Interframe Gap and Max Burst Size (to 128 bytes)
UInt32 data = (UInt32)(BitValue.IFG0 | BitValue.IFG1 | BitValue.MAXDMA0 | BitValue.MAXDMA1);
//Console.WriteLine("Data in INIT for TX:" + data);
IOSpace.Write32(tcrAddress, data);
this.TCR = data;
}
/// <summary>
/// Retrieves 6 bits
/// Get or Sets all 32 bits in Transmit Configuration Register
/// </summary>
public UInt32 TCR
{
get
{
return IOSpace.Read32(tcrAddress);
}
private set
{
IOSpace.Write32(tcrAddress, value);
}
}
/// <summary>
/// Retrieves a number which indicates the Hardware Revision ID of the RTL card.
/// </summary>
/// <returns></returns>
public byte GetHWVERID()
{
byte mask = 249; // 1111 1001
byte hwverid = BinaryHelper.GetByteFrom32bit(tcr, (byte)(23));
byte hwverid = BinaryHelper.GetByteFrom32bit(this.TCR, (byte)(23));
return (byte)(mask & hwverid);
}
//internal void SetLoopBack(bool value)
//{
// //Change bits LBK0 and LBK1 to HIGH for Loopback, or LOW for Normal mode.
// if (value)
//}
public bool LoopbackMode
{
get
{
UInt32 data = IOSpace.Read32(tcrAddress);
UInt32 data = this.TCR;
bool low = BinaryHelper.CheckBit(data, 17);
bool high = BinaryHelper.CheckBit(data, 18);
if (low != high)
Console.WriteLine("Warning: Loopback bits should always be the same!");
throw new Exception("Loopback bits are mismatched in RTL drivers TCR PCI register!");
if (low && high)
return true;
@ -76,14 +79,14 @@ namespace Cosmos.Hardware.Network.Devices.RTL8139.Register
return false;
}
set
{
UInt32 data = IOSpace.Read32(tcrAddress);
{
UInt32 data = this.TCR;
if (value) //turn ON
data = (UInt32)(data | (uint)BitValue.LBK0 | (uint)BitValue.LBK1);
else //turn OFF
data = (UInt32)(data & (uint)~BitValue.LBK0 & (uint)~BitValue.LBK1);
IOSpace.Write32(tcrAddress, data);
this.TCR = data;
}
}

36
source/FrodeTest/Shell/Session.cs
View file

@ -34,7 +34,7 @@ namespace FrodeTest.Shell
}
*/ else if(command.Equals("load"))
{
var list = RTL8139.FindRTL8139Devices();
var list = RTL8139.FindAll();
if (list.Count != 0)
nic = list[0];
else
@ -46,6 +46,7 @@ namespace FrodeTest.Shell
Console.WriteLine(nic.Name);
Console.WriteLine("Revision: " + nic.GetHardwareRevision());
Console.WriteLine("MAC: " + nic.MACAddress);
nic.Enable();
nic.InitializeDriver();
@ -78,6 +79,29 @@ namespace FrodeTest.Shell
}
//List<Packet> incomingPackets = nic.Recieve();
}
else if (command.Equals("info"))
{
if (nic == null)
{
Console.WriteLine("Network card not initialized yet.");
return;
}
Console.WriteLine("Network card: " + nic.Name);
Console.WriteLine("Hardware revision: " + nic.GetHardwareRevision());
Console.WriteLine("MAC Address: " + nic.MACAddress);
Console.WriteLine();
Console.WriteLine("Loopback enabled?: " + nic.LoopbackMode.ToString());
Console.WriteLine("NIC enabled?: " + nic.IsEnabled.ToString());
Console.WriteLine("Promiscuous mode?: " + nic.PromiscuousMode.ToString());
int xByteCount = 0;
foreach (byte b in nic.ReadReceiveBuffer())
{
if (b != 0x00)
xByteCount++;
}
Console.WriteLine("Read buffer contains " + xByteCount.ToString() + " bytes with data.");
}
else if (command.Equals("reset"))
{
//nic.TimerCount = 1;
@ -87,15 +111,19 @@ namespace FrodeTest.Shell
}
else if (command.Equals("loop"))
{
Console.WriteLine("Toggeling loopback mode from : " + nic.GetLoopbackMode().ToString());
nic.SetLoopbackMode(!nic.GetLoopbackMode());
Console.WriteLine("to: " + nic.GetLoopbackMode().ToString());
Console.WriteLine("Toggeling loopback mode from : " + nic.LoopbackMode.ToString());
nic.LoopbackMode = !nic.LoopbackMode;
Console.WriteLine("to: " + nic.LoopbackMode.ToString());
}
else if (command.Equals("crash"))
{
throw new Exception("User forced an Exception", new Exception("Inner bug"));
}
else if (command.Equals("prom"))
{
nic.PromiscuousMode = !nic.PromiscuousMode;
}
else if (command.Equals("help"))
{

4
source/FrodeTest/Test/RTL8139Test.cs
View file

@ -7,11 +7,12 @@ namespace FrodeTest.Test
{
public class RTL8139Test
{
[Obsolete]
public static void RunTest()
{
// Testing RTL8139 PCI networkcard
//Load card
var nics = RTL8139.FindRTL8139Devices();
var nics = RTL8139.FindAll();
if (nics.Count == 0)
{
@ -29,7 +30,6 @@ namespace FrodeTest.Test
//Console.WriteLine("BaseAddress0 is : " + pciNic.BaseAddress0);
Console.WriteLine("BaseAddress1 is : " + nic.PCICard.BaseAddress1);
Console.WriteLine("Enabling card...");
//nic.SoftReset();
nic.Enable();
Console.WriteLine("Initializing driver...");
nic.InitializeDriver();