diff options
Diffstat (limited to 'IntelFrameworkModulePkg/Csm/BiosThunk/Snp16Dxe/BiosSnp16.c')
| -rw-r--r-- | IntelFrameworkModulePkg/Csm/BiosThunk/Snp16Dxe/BiosSnp16.c | 3522 |
1 files changed, 0 insertions, 3522 deletions
diff --git a/IntelFrameworkModulePkg/Csm/BiosThunk/Snp16Dxe/BiosSnp16.c b/IntelFrameworkModulePkg/Csm/BiosThunk/Snp16Dxe/BiosSnp16.c deleted file mode 100644 index b586a91c7b..0000000000 --- a/IntelFrameworkModulePkg/Csm/BiosThunk/Snp16Dxe/BiosSnp16.c +++ /dev/null @@ -1,3522 +0,0 @@ -/** @file
-
-Copyright (c) 1999 - 2017, Intel Corporation. All rights reserved.<BR>
-
-This program and the accompanying materials
-are licensed and made available under the terms and conditions
-of the BSD License which accompanies this distribution. The
-full text of the license may be found at
-http://opensource.org/licenses/bsd-license.php
-
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-**/
-
-#include "BiosSnp16.h"
-
-
-///
-/// EFI Driver Binding Protocol Instance
-///
-EFI_DRIVER_BINDING_PROTOCOL gBiosSnp16DriverBinding = {
- BiosSnp16DriverBindingSupported,
- BiosSnp16DriverBindingStart,
- BiosSnp16DriverBindingStop,
- 0x3,
- NULL,
- NULL
-};
-
-///
-/// This boolean is used to determine if we should release the cached vector during an error condition.
-///
-BOOLEAN mCachedInt1A = FALSE;
-
-//
-// Private worker functions;
-//
-
-/**
- Start the UNDI interface.
-
- @param SimpleNetworkDevice A pointer to EFI_SIMPLE_NETWORK_DEV data structure.
- @param Ax PCI address of Undi device.
-
- @retval EFI_DEVICE_ERROR Fail to start 16 bit UNDI ROM.
- @retval Others Status of start 16 bit UNDI ROM.
-**/
-EFI_STATUS
-Undi16SimpleNetworkStartUndi (
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice,
- UINT16 Ax
- );
-
-/**
- Start the UNDI interface
-
- @param SimpleNetworkDevice A pointer to EFI_SIMPLE_NETWORK_DEV data structure.
-
- @retval EFI_DEVICE_ERROR Fail to start 16 bit UNDI ROM.
- @retval Others Status of start 16 bit UNDI ROM.
-**/
-EFI_STATUS
-Undi16SimpleNetworkStopUndi (
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice
- );
-
-/**
- Stop the UNDI interface
-
- @param SimpleNetworkDevice A pointer to EFI_SIMPLE_NETWORK_DEV data structure.
-
- @retval EFI_DEVICE_ERROR Fail to stop 16 bit UNDI ROM.
- @retval Others Status of stop 16 bit UNDI ROM.
-**/
-EFI_STATUS
-Undi16SimpleNetworkCleanupUndi (
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice
- );
-
-/**
- Get runtime information for Undi network interface
-
- @param This A pointer to EFI_SIMPLE_NETWORK_PROTOCOL structure.
-
- @retval EFI_SUCCESS Sucess operation.
- @retval Others Fail to get runtime information for Undi network interface.
-**/
-EFI_STATUS
-Undi16SimpleNetworkGetInformation (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This
- );
-
-/**
- Get NIC type
-
- @param This A pointer to EFI_SIMPLE_NETWORK_PROTOCOL structure.
-
- @retval EFI_SUCCESS Sucess operation.
- @retval Others Fail to get NIC type.
-**/
-EFI_STATUS
-Undi16SimpleNetworkGetNicType (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This
- );
-
-/**
- Get NDIS information
-
- @param This A pointer to EFI_SIMPLE_NETWORK_PROTOCOL structure.
-
- @retval EFI_SUCCESS Sucess operation.
- @retval Others Fail to get NDIS information.
-**/
-EFI_STATUS
-Undi16SimpleNetworkGetNdisInfo (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This
- );
-
-/**
- Signal handlers for ExitBootServices event.
-
- Clean up any Real-mode UNDI residue from the system
-
- @param Event ExitBootServices event
- @param Context
-**/
-VOID
-EFIAPI
-Undi16SimpleNetworkEvent (
- IN EFI_EVENT Event,
- IN VOID *Context
- );
-
-/**
- Loads the undi driver.
-
- @param SimpleNetworkDevice A pointer to EFI_SIMPLE_NETWORK_DEV data structure.
-
- @retval EFI_SUCCESS - Successfully loads undi driver.
- @retval EFI_NOT_FOUND - Doesn't find undi driver or undi driver load failure.
-**/
-EFI_STATUS
-Undi16SimpleNetworkLoadUndi (
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice
- );
-
-/**
- Unload 16 bit UNDI Option ROM from memory
-
- @param SimpleNetworkDevice A pointer to EFI_SIMPLE_NETWORK_DEV data structure.
-
- @return EFI_STATUS
-**/
-EFI_STATUS
-Undi16SimpleNetworkUnloadUndi (
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice
- );
-
-/**
- Entry point for EFI drivers.
-
- @param ImageHandle Handle that identifies the loaded image.
- @param SystemTable System Table for this image.
-
- @return EFI_STATUS Return status from EfiLibInstallAllDriverProtocols.
-**/
-EFI_STATUS
-EFIAPI
-BiosSnp16DriverEntryPoint (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- return EfiLibInstallDriverBindingComponentName2 (
- ImageHandle,
- SystemTable,
- &gBiosSnp16DriverBinding,
- ImageHandle,
- &gBiosSnp16ComponentName,
- &gBiosSnp16ComponentName2
- );
-}
-
-//
-// EFI Driver Binding Protocol Functions
-//
-/**
- Tests to see if this driver supports a given controller.
-
- @param This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
- @param Controller The handle of the controller to test.
- @param RemainingDevicePath A pointer to the remaining portion of a device path.
-
- @retval EFI_SUCCESS The driver supports given controller.
- @retval EFI_UNSUPPORT The driver doesn't support given controller.
- @retval Other Other errors prevent driver finishing to test
- if the driver supports given controller.
-**/
-EFI_STATUS
-EFIAPI
-BiosSnp16DriverBindingSupported (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-{
- EFI_STATUS Status;
- EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
- EFI_PCI_IO_PROTOCOL *PciIo;
- PCI_TYPE00 Pci;
-
- //
- // See if the Legacy BIOS Protocol is available
- //
- Status = gBS->LocateProtocol (&gEfiLegacyBiosProtocolGuid, NULL, (VOID **) &LegacyBios);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Open the IO Abstraction(s) needed to perform the supported test
- //
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiDevicePathProtocolGuid,
- (VOID **) &DevicePath,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- gBS->CloseProtocol (
- Controller,
- &gEfiDevicePathProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
-
- //
- // Open the IO Abstraction(s) needed to perform the supported test
- //
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiPciIoProtocolGuid,
- (VOID **) &PciIo,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // See if this is a PCI Network Controller by looking at the Command register and
- // Class Code Register
- //
- Status = PciIo->Pci.Read (PciIo, EfiPciIoWidthUint32, 0, sizeof (Pci) / sizeof (UINT32), &Pci);
- if (EFI_ERROR (Status)) {
- Status = EFI_UNSUPPORTED;
- goto Done;
- }
-
- Status = EFI_UNSUPPORTED;
- if (Pci.Hdr.ClassCode[2] == PCI_CLASS_NETWORK) {
- Status = EFI_SUCCESS;
- }
-
-Done:
- gBS->CloseProtocol (
- Controller,
- &gEfiPciIoProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
-
- return Status;
-}
-
-/**
- Starts the Snp device controller
-
- @param This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
- @param Controller The handle of the controller to test.
- @param RemainingDevicePath A pointer to the remaining portion of a device path.
-
- @retval EFI_SUCCESS - The device was started.
- @retval EFI_DEVICE_ERROR - The device could not be started due to a device error.
- @retval EFI_OUT_OF_RESOURCES - The request could not be completed due to a lack of resources.
-**/
-EFI_STATUS
-EFIAPI
-BiosSnp16DriverBindingStart (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN EFI_DEVICE_PATH_PROTOCOL *RemainingDevicePath
- )
-{
- EFI_STATUS Status;
- EFI_LEGACY_BIOS_PROTOCOL *LegacyBios;
- EFI_DEVICE_PATH_PROTOCOL *DevicePath;
- EFI_PCI_IO_PROTOCOL *PciIo;
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice;
- EFI_DEV_PATH Node;
- UINTN Index;
- UINTN Index2;
- UINTN Segment;
- UINTN Bus;
- UINTN Device;
- UINTN Function;
- UINTN Flags;
- UINT64 Supports;
-
- SimpleNetworkDevice = NULL;
- PciIo = NULL;
-
- //
- // See if the Legacy BIOS Protocol is available
- //
- Status = gBS->LocateProtocol (&gEfiLegacyBiosProtocolGuid, NULL, (VOID **) &LegacyBios);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Open the IO Abstraction(s) needed
- //
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiDevicePathProtocolGuid,
- (VOID **) &DevicePath,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- goto Done;
- }
-
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiPciIoProtocolGuid,
- (VOID **) &PciIo,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_BY_DRIVER
- );
- if (EFI_ERROR (Status)) {
- goto Done;
- }
-
- Status = PciIo->Attributes (
- PciIo,
- EfiPciIoAttributeOperationSupported,
- 0,
- &Supports
- );
- if (!EFI_ERROR (Status)) {
- Supports &= (UINT64)EFI_PCI_DEVICE_ENABLE;
- Status = PciIo->Attributes (
- PciIo,
- EfiPciIoAttributeOperationEnable,
- Supports,
- NULL
- );
- }
-
- if (EFI_ERROR (Status)) {
- goto Done;
- }
- //
- // Check to see if there is a legacy option ROM image associated with this PCI device
- //
- Status = LegacyBios->CheckPciRom (
- LegacyBios,
- Controller,
- NULL,
- NULL,
- &Flags
- );
- if (EFI_ERROR (Status)) {
- goto Done;
- }
- //
- // Post the legacy option ROM if it is available.
- //
- Status = LegacyBios->InstallPciRom (
- LegacyBios,
- Controller,
- NULL,
- &Flags,
- NULL,
- NULL,
- NULL,
- NULL
- );
- if (EFI_ERROR (Status)) {
- goto Done;
- }
- //
- // Allocate memory for this SimpleNetwork device instance
- //
- Status = gBS->AllocatePool (
- EfiBootServicesData,
- sizeof (EFI_SIMPLE_NETWORK_DEV),
- (VOID **) &SimpleNetworkDevice
- );
- if (EFI_ERROR (Status)) {
- Status = EFI_OUT_OF_RESOURCES;
- goto Done;
- }
-
- ZeroMem (SimpleNetworkDevice, sizeof (EFI_SIMPLE_NETWORK_DEV));
-
- //
- // Initialize the SimpleNetwork device instance
- //
- SimpleNetworkDevice->Signature = EFI_SIMPLE_NETWORK_DEV_SIGNATURE;
- SimpleNetworkDevice->LegacyBios = LegacyBios;
- SimpleNetworkDevice->BaseDevicePath = DevicePath;
- SimpleNetworkDevice->PciIo = PciIo;
-
- //
- // Initialize the Nii Protocol
- //
- SimpleNetworkDevice->Nii.Revision = EFI_NETWORK_INTERFACE_IDENTIFIER_PROTOCOL_REVISION;
- SimpleNetworkDevice->Nii.Type = EfiNetworkInterfaceUndi;
-
- CopyMem (&SimpleNetworkDevice->Nii.StringId, "UNDI", 4);
-
- //
- // Load 16 bit UNDI Option ROM into Memory
- //
- Status = Undi16SimpleNetworkLoadUndi (SimpleNetworkDevice);
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_NET, "ERROR : Could not load UNDI. Status = %r\n", Status));
- goto Done;
- }
-
- SimpleNetworkDevice->UndiLoaded = TRUE;
-
- //
- // Call PXENV_START_UNDI - Initilizes the UNID interface for use.
- //
- PciIo->GetLocation (PciIo, &Segment, &Bus, &Device, &Function);
- Status = Undi16SimpleNetworkStartUndi (
- SimpleNetworkDevice,
- (UINT16) ((Bus << 0x8) | (Device << 0x3) | (Function))
- );
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_NET, "ERROR : Could not StartUndi. Status = %r\n", Status));
- goto Done;
- }
- //
- // Initialize the Simple Network Protocol
- //
- DEBUG ((DEBUG_NET, "Initialize SimpleNetworkDevice instance\n"));
-
- SimpleNetworkDevice->SimpleNetwork.Revision = EFI_SIMPLE_NETWORK_PROTOCOL_REVISION;
- SimpleNetworkDevice->SimpleNetwork.Start = Undi16SimpleNetworkStart;
- SimpleNetworkDevice->SimpleNetwork.Stop = Undi16SimpleNetworkStop;
- SimpleNetworkDevice->SimpleNetwork.Initialize = Undi16SimpleNetworkInitialize;
- SimpleNetworkDevice->SimpleNetwork.Reset = Undi16SimpleNetworkReset;
- SimpleNetworkDevice->SimpleNetwork.Shutdown = Undi16SimpleNetworkShutdown;
- SimpleNetworkDevice->SimpleNetwork.ReceiveFilters = Undi16SimpleNetworkReceiveFilters;
- SimpleNetworkDevice->SimpleNetwork.StationAddress = Undi16SimpleNetworkStationAddress;
- SimpleNetworkDevice->SimpleNetwork.Statistics = Undi16SimpleNetworkStatistics;
- SimpleNetworkDevice->SimpleNetwork.MCastIpToMac = Undi16SimpleNetworkMCastIpToMac;
- SimpleNetworkDevice->SimpleNetwork.NvData = Undi16SimpleNetworkNvData;
- SimpleNetworkDevice->SimpleNetwork.GetStatus = Undi16SimpleNetworkGetStatus;
- SimpleNetworkDevice->SimpleNetwork.Transmit = Undi16SimpleNetworkTransmit;
- SimpleNetworkDevice->SimpleNetwork.Receive = Undi16SimpleNetworkReceive;
- SimpleNetworkDevice->SimpleNetwork.Mode = &(SimpleNetworkDevice->SimpleNetworkMode);
-
- Status = gBS->CreateEvent (
- EVT_NOTIFY_WAIT,
- TPL_NOTIFY,
- Undi16SimpleNetworkWaitForPacket,
- &SimpleNetworkDevice->SimpleNetwork,
- &SimpleNetworkDevice->SimpleNetwork.WaitForPacket
- );
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "ERROR : Could not create event. Status = %r\n", Status));
- goto Done;
- }
- //
- // Create an event to be signalled when ExitBootServices occurs in order
- // to clean up nicely
- //
- Status = gBS->CreateEventEx (
- EVT_NOTIFY_SIGNAL,
- TPL_NOTIFY,
- Undi16SimpleNetworkEvent,
- NULL,
- &gEfiEventExitBootServicesGuid,
- &SimpleNetworkDevice->EfiBootEvent
- );
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "ERROR : Could not create event. Status = %r\n", Status));
- goto Done;
- }
-
- //
- // Create an event to be signalled when Legacy Boot occurs to clean up the IVT
- //
- Status = EfiCreateEventLegacyBootEx(
- TPL_NOTIFY,
- Undi16SimpleNetworkEvent,
- NULL,
- &SimpleNetworkDevice->LegacyBootEvent
- );
-
- if (EFI_ERROR(Status)) {
- DEBUG ((DEBUG_ERROR,"ERROR : Could not create event. Status = %r\n",Status));
- goto Done;
- }
-
- //
- // Initialize the SimpleNetwork Mode Information
- //
- DEBUG ((DEBUG_NET, "Initialize Mode Information\n"));
-
- SimpleNetworkDevice->SimpleNetworkMode.State = EfiSimpleNetworkStopped;
- SimpleNetworkDevice->SimpleNetworkMode.MediaHeaderSize = 14;
- SimpleNetworkDevice->SimpleNetworkMode.MacAddressChangeable = TRUE;
- SimpleNetworkDevice->SimpleNetworkMode.MultipleTxSupported = TRUE;
- SimpleNetworkDevice->SimpleNetworkMode.ReceiveFilterMask = EFI_SIMPLE_NETWORK_RECEIVE_UNICAST |
- EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST |
- EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST |
- EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS |
- EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST;
- SimpleNetworkDevice->SimpleNetworkMode.MaxMCastFilterCount = MAXNUM_MCADDR;
-
- //
- // Initialize the SimpleNetwork Private Information
- //
- DEBUG ((DEBUG_NET, "Initialize Private Information\n"));
-
- Status = BiosSnp16AllocatePagesBelowOneMb (
- sizeof (PXENV_UNDI_TBD_T) / EFI_PAGE_SIZE + 1,
- (VOID **) &SimpleNetworkDevice->Xmit
- );
- if (EFI_ERROR (Status)) {
- goto Done;
- }
-
- Status = BiosSnp16AllocatePagesBelowOneMb (
- 1,
- &SimpleNetworkDevice->TxRealModeMediaHeader
- );
- if (EFI_ERROR (Status)) {
- goto Done;
- }
-
- Status = BiosSnp16AllocatePagesBelowOneMb (
- 1,
- &SimpleNetworkDevice->TxRealModeDataBuffer
- );
- if (EFI_ERROR (Status)) {
- goto Done;
- }
-
- Status = BiosSnp16AllocatePagesBelowOneMb (
- 1,
- &SimpleNetworkDevice->TxDestAddr
- );
- if (EFI_ERROR (Status)) {
- goto Done;
- }
-
- SimpleNetworkDevice->Xmit->XmitOffset = (UINT16) (((UINT32)(UINTN) SimpleNetworkDevice->TxRealModeMediaHeader) & 0x000f);
-
- SimpleNetworkDevice->Xmit->XmitSegment = (UINT16) (((UINT32)(UINTN) SimpleNetworkDevice->TxRealModeMediaHeader) >> 4);
-
- SimpleNetworkDevice->Xmit->DataBlkCount = 1;
-
- SimpleNetworkDevice->Xmit->DataBlock[0].TDPtrType = 1;
- SimpleNetworkDevice->Xmit->DataBlock[0].TDRsvdByte = 0;
-
- SimpleNetworkDevice->Xmit->DataBlock[0].TDDataPtrOffset = (UINT16) (((UINT32)(UINTN) SimpleNetworkDevice->TxRealModeDataBuffer) & 0x000f);
-
- SimpleNetworkDevice->Xmit->DataBlock[0].TDDataPtrSegment = (UINT16) (((UINT32)(UINTN) SimpleNetworkDevice->TxRealModeDataBuffer) >> 4);
-
- SimpleNetworkDevice->TxBufferFifo.First = 0;
- SimpleNetworkDevice->TxBufferFifo.Last = 0;
-
- //
- // Start() the SimpleNetwork device
- //
- DEBUG ((DEBUG_NET, "Start()\n"));
-
- Status = Undi16SimpleNetworkStart (&SimpleNetworkDevice->SimpleNetwork);
- if (EFI_ERROR (Status)) {
- goto Done;
- }
- //
- // GetInformation() the SimpleNetwork device
- //
- DEBUG ((DEBUG_NET, "GetInformation()\n"));
-
- Status = Undi16SimpleNetworkGetInformation (&SimpleNetworkDevice->SimpleNetwork);
- if (EFI_ERROR (Status)) {
- goto Done;
- }
- //
- // Build the device path for the child device
- //
- ZeroMem (&Node, sizeof (Node));
- Node.DevPath.Type = MESSAGING_DEVICE_PATH;
- Node.DevPath.SubType = MSG_MAC_ADDR_DP;
- SetDevicePathNodeLength (&Node.DevPath, sizeof (MAC_ADDR_DEVICE_PATH));
- CopyMem (
- &Node.MacAddr.MacAddress,
- &SimpleNetworkDevice->SimpleNetworkMode.CurrentAddress,
- sizeof (EFI_MAC_ADDRESS)
- );
- SimpleNetworkDevice->DevicePath = AppendDevicePathNode (
- SimpleNetworkDevice->BaseDevicePath,
- &Node.DevPath
- );
-
- //
- // GetNicType() the SimpleNetwork device
- //
- DEBUG ((DEBUG_NET, "GetNicType()\n"));
-
- Status = Undi16SimpleNetworkGetNicType (&SimpleNetworkDevice->SimpleNetwork);
- if (EFI_ERROR (Status)) {
- goto Done;
- }
- //
- // GetNdisInfo() the SimpleNetwork device
- //
- DEBUG ((DEBUG_NET, "GetNdisInfo()\n"));
-
- Status = Undi16SimpleNetworkGetNdisInfo (&SimpleNetworkDevice->SimpleNetwork);
- if (EFI_ERROR (Status)) {
- goto Done;
- }
- //
- // Stop() the SimpleNetwork device
- //
- DEBUG ((DEBUG_NET, "Stop()\n"));
-
- Status = SimpleNetworkDevice->SimpleNetwork.Stop (&SimpleNetworkDevice->SimpleNetwork);
- if (EFI_ERROR (Status)) {
- goto Done;
- }
- //
- // Print Mode information
- //
- DEBUG ((DEBUG_NET, "Mode->State = %d\n", SimpleNetworkDevice->SimpleNetworkMode.State));
- DEBUG ((DEBUG_NET, "Mode->HwAddressSize = %d\n", SimpleNetworkDevice->SimpleNetworkMode.HwAddressSize));
- DEBUG ((DEBUG_NET, "Mode->MacAddressChangeable = %d\n", SimpleNetworkDevice->SimpleNetworkMode.MacAddressChangeable));
- DEBUG ((DEBUG_NET, "Mode->MultiplTxSupported = %d\n", SimpleNetworkDevice->SimpleNetworkMode.MultipleTxSupported));
- DEBUG ((DEBUG_NET, "Mode->NvRamSize = %d\n", SimpleNetworkDevice->SimpleNetworkMode.NvRamSize));
- DEBUG ((DEBUG_NET, "Mode->NvRamAccessSize = %d\n", SimpleNetworkDevice->SimpleNetworkMode.NvRamAccessSize));
- DEBUG ((DEBUG_NET, "Mode->ReceiveFilterSetting = %d\n", SimpleNetworkDevice->SimpleNetworkMode.ReceiveFilterSetting));
- DEBUG ((DEBUG_NET, "Mode->IfType = %d\n", SimpleNetworkDevice->SimpleNetworkMode.IfType));
- DEBUG ((DEBUG_NET, "Mode->MCastFilterCount = %d\n", SimpleNetworkDevice->SimpleNetworkMode.MCastFilterCount));
- for (Index = 0; Index < SimpleNetworkDevice->SimpleNetworkMode.MCastFilterCount; Index++) {
- DEBUG ((DEBUG_NET, " Filter[%02d] = ", Index));
- for (Index2 = 0; Index2 < 16; Index2++) {
- DEBUG ((DEBUG_NET, "%02x ", SimpleNetworkDevice->SimpleNetworkMode.MCastFilter[Index].Addr[Index2]));
- }
-
- DEBUG ((DEBUG_NET, "\n"));
- }
-
- DEBUG ((DEBUG_NET, "CurrentAddress = "));
- for (Index2 = 0; Index2 < 16; Index2++) {
- DEBUG ((DEBUG_NET, "%02x ", SimpleNetworkDevice->SimpleNetworkMode.CurrentAddress.Addr[Index2]));
- }
-
- DEBUG ((DEBUG_NET, "\n"));
-
- DEBUG ((DEBUG_NET, "BroadcastAddress = "));
- for (Index2 = 0; Index2 < 16; Index2++) {
- DEBUG ((DEBUG_NET, "%02x ", SimpleNetworkDevice->SimpleNetworkMode.BroadcastAddress.Addr[Index2]));
- }
-
- DEBUG ((DEBUG_NET, "\n"));
-
- DEBUG ((DEBUG_NET, "PermanentAddress = "));
- for (Index2 = 0; Index2 < 16; Index2++) {
- DEBUG ((DEBUG_NET, "%02x ", SimpleNetworkDevice->SimpleNetworkMode.PermanentAddress.Addr[Index2]));
- }
-
- DEBUG ((DEBUG_NET, "\n"));
-
- //
- // The network device was started, information collected, and stopped.
- // Install protocol interfaces for the SimpleNetwork device.
- //
- DEBUG ((DEBUG_NET, "Install Protocol Interfaces on network interface\n"));
-
- Status = gBS->InstallMultipleProtocolInterfaces (
- &SimpleNetworkDevice->Handle,
- &gEfiSimpleNetworkProtocolGuid,
- &SimpleNetworkDevice->SimpleNetwork,
- &gEfiNetworkInterfaceIdentifierProtocolGuid,
- &SimpleNetworkDevice->Nii,
- &gEfiDevicePathProtocolGuid,
- SimpleNetworkDevice->DevicePath,
- NULL
- );
- if (EFI_ERROR (Status)) {
- goto Done;
- }
- //
- // Open PCI I/O from the newly created child handle
- //
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiPciIoProtocolGuid,
- (VOID **) &PciIo,
- This->DriverBindingHandle,
- SimpleNetworkDevice->Handle,
- EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
- );
-
- DEBUG ((DEBUG_INIT, "UNDI16 Driver : EFI_SUCCESS\n"));
-
-Done:
- if (EFI_ERROR (Status)) {
- if (SimpleNetworkDevice != NULL) {
-
- Undi16SimpleNetworkShutdown (&SimpleNetworkDevice->SimpleNetwork);
- //
- // CLOSE + SHUTDOWN
- //
- Undi16SimpleNetworkCleanupUndi (SimpleNetworkDevice);
- //
- // CLEANUP
- //
- Undi16SimpleNetworkStopUndi (SimpleNetworkDevice);
- //
- // STOP
- //
- if (SimpleNetworkDevice->UndiLoaded) {
- Undi16SimpleNetworkUnloadUndi (SimpleNetworkDevice);
- }
-
- if (SimpleNetworkDevice->SimpleNetwork.WaitForPacket != NULL) {
- gBS->CloseEvent (SimpleNetworkDevice->SimpleNetwork.WaitForPacket);
- }
-
- if (SimpleNetworkDevice->LegacyBootEvent != NULL) {
- gBS->CloseEvent (SimpleNetworkDevice->LegacyBootEvent);
- }
-
- if (SimpleNetworkDevice->EfiBootEvent != NULL) {
- gBS->CloseEvent (SimpleNetworkDevice->EfiBootEvent);
- }
-
- if (SimpleNetworkDevice->Xmit != NULL) {
- gBS->FreePages (
- (EFI_PHYSICAL_ADDRESS) (UINTN) SimpleNetworkDevice->Xmit,
- sizeof (PXENV_UNDI_TBD_T) / EFI_PAGE_SIZE + 1
- );
- }
-
- if (SimpleNetworkDevice->TxRealModeMediaHeader != NULL) {
- gBS->FreePages ((EFI_PHYSICAL_ADDRESS) (UINTN) SimpleNetworkDevice->TxRealModeMediaHeader, 1);
- }
-
- if (SimpleNetworkDevice->TxRealModeDataBuffer != NULL) {
- gBS->FreePages ((EFI_PHYSICAL_ADDRESS) (UINTN) SimpleNetworkDevice->TxRealModeDataBuffer, 1);
- }
-
- if (SimpleNetworkDevice->TxDestAddr != NULL) {
- gBS->FreePages ((EFI_PHYSICAL_ADDRESS) (UINTN) SimpleNetworkDevice->TxDestAddr, 1);
- }
-
- gBS->FreePool (SimpleNetworkDevice);
-
- //
- // Only restore the vector if it was cached.
- //
- if (mCachedInt1A) {
- RestoreCachedVectorAddress (0x1A);
- mCachedInt1A = FALSE;
- }
- }
-
- if (PciIo != NULL) {
- Status = PciIo->Attributes (
- PciIo,
- EfiPciIoAttributeOperationSupported,
- 0,
- &Supports
- );
- if (!EFI_ERROR (Status)) {
- Supports &= (UINT64)EFI_PCI_DEVICE_ENABLE;
- Status = PciIo->Attributes (
- PciIo,
- EfiPciIoAttributeOperationDisable,
- Supports,
- NULL
- );
- }
- }
-
- gBS->CloseProtocol (
- Controller,
- &gEfiPciIoProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
-
- gBS->CloseProtocol (
- Controller,
- &gEfiDevicePathProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
- if (Status != EFI_OUT_OF_RESOURCES) {
- Status = EFI_DEVICE_ERROR;
- }
- }
- return Status;
-}
-
-/**
- Stops the device by given device controller.
-
- @param This A pointer to the EFI_DRIVER_BINDING_PROTOCOL instance.
- @param Controller The handle of the controller to test.
- @param NumberOfChildren The number of child device handles in ChildHandleBuffer.
- @param ChildHandleBuffer An array of child handles to be freed. May be NULL if
- NumberOfChildren is 0.
-
- @retval EFI_SUCCESS - The device was stopped.
- @retval EFI_DEVICE_ERROR - The device could not be stopped due to a device error.
-**/
-EFI_STATUS
-EFIAPI
-BiosSnp16DriverBindingStop (
- IN EFI_DRIVER_BINDING_PROTOCOL *This,
- IN EFI_HANDLE Controller,
- IN UINTN NumberOfChildren,
- IN EFI_HANDLE *ChildHandleBuffer
- )
-{
- EFI_STATUS Status;
- UINTN Index;
- BOOLEAN AllChildrenStopped;
- EFI_SIMPLE_NETWORK_PROTOCOL *SimpleNetwork;
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice;
- EFI_PCI_IO_PROTOCOL *PciIo;
- UINT64 Supports;
-
- //
- // Complete all outstanding transactions to Controller.
- // Don't allow any new transaction to Controller to be started.
- //
- if (NumberOfChildren == 0) {
- //
- // Close the bus driver
- //
- Status = gBS->OpenProtocol (
- Controller,
- &gEfiPciIoProtocolGuid,
- (VOID **) &PciIo,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
- if (!EFI_ERROR (Status)) {
- Status = PciIo->Attributes (
- PciIo,
- EfiPciIoAttributeOperationSupported,
- 0,
- &Supports
- );
- if (!EFI_ERROR (Status)) {
- Supports &= (UINT64)EFI_PCI_DEVICE_ENABLE;
- Status = PciIo->Attributes (
- PciIo,
- EfiPciIoAttributeOperationDisable,
- Supports,
- NULL
- );
- }
- }
-
- Status = gBS->CloseProtocol (
- Controller,
- &gEfiPciIoProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
-
- Status = gBS->CloseProtocol (
- Controller,
- &gEfiDevicePathProtocolGuid,
- This->DriverBindingHandle,
- Controller
- );
-
- if (EFI_ERROR (Status)) {
- Status = EFI_DEVICE_ERROR;
- }
- return Status;
- }
-
- AllChildrenStopped = TRUE;
-
- for (Index = 0; Index < NumberOfChildren; Index++) {
-
- Status = gBS->OpenProtocol (
- ChildHandleBuffer[Index],
- &gEfiSimpleNetworkProtocolGuid,
- (VOID **) &SimpleNetwork,
- This->DriverBindingHandle,
- Controller,
- EFI_OPEN_PROTOCOL_GET_PROTOCOL
- );
- if (!EFI_ERROR (Status)) {
-
- SimpleNetworkDevice = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (SimpleNetwork);
-
- Status = gBS->CloseProtocol (
- Controller,
- &gEfiPciIoProtocolGuid,
- This->DriverBindingHandle,
- ChildHandleBuffer[Index]
- );
-
- Status = gBS->UninstallMultipleProtocolInterfaces (
- SimpleNetworkDevice->Handle,
- &gEfiSimpleNetworkProtocolGuid,
- &SimpleNetworkDevice->SimpleNetwork,
- &gEfiNetworkInterfaceIdentifierProtocolGuid,
- &SimpleNetworkDevice->Nii,
- &gEfiDevicePathProtocolGuid,
- SimpleNetworkDevice->DevicePath,
- NULL
- );
- if (EFI_ERROR (Status)) {
- gBS->OpenProtocol (
- Controller,
- &gEfiPciIoProtocolGuid,
- (VOID **) &PciIo,
- This->DriverBindingHandle,
- ChildHandleBuffer[Index],
- EFI_OPEN_PROTOCOL_BY_CHILD_CONTROLLER
- );
- } else {
-
- Undi16SimpleNetworkShutdown (&SimpleNetworkDevice->SimpleNetwork);
- //
- // CLOSE + SHUTDOWN
- //
- Undi16SimpleNetworkCleanupUndi (SimpleNetworkDevice);
- //
- // CLEANUP
- //
- Undi16SimpleNetworkStopUndi (SimpleNetworkDevice);
- //
- // STOP
- //
- if (SimpleNetworkDevice->UndiLoaded) {
- Undi16SimpleNetworkUnloadUndi (SimpleNetworkDevice);
- }
-
- if (SimpleNetworkDevice->SimpleNetwork.WaitForPacket != NULL) {
- gBS->CloseEvent (SimpleNetworkDevice->SimpleNetwork.WaitForPacket);
- }
-
- if (SimpleNetworkDevice->LegacyBootEvent != NULL) {
- gBS->CloseEvent (SimpleNetworkDevice->LegacyBootEvent);
- }
-
- if (SimpleNetworkDevice->EfiBootEvent != NULL) {
- gBS->CloseEvent (SimpleNetworkDevice->EfiBootEvent);
- }
-
- if (SimpleNetworkDevice->Xmit != NULL) {
- gBS->FreePages (
- (EFI_PHYSICAL_ADDRESS) (UINTN) SimpleNetworkDevice->Xmit,
- sizeof (PXENV_UNDI_TBD_T) / EFI_PAGE_SIZE + 1
- );
- }
-
- if (SimpleNetworkDevice->TxRealModeMediaHeader != NULL) {
- gBS->FreePages ((EFI_PHYSICAL_ADDRESS) (UINTN) SimpleNetworkDevice->TxRealModeMediaHeader, 1);
- }
-
- if (SimpleNetworkDevice->TxRealModeDataBuffer != NULL) {
- gBS->FreePages ((EFI_PHYSICAL_ADDRESS) (UINTN) SimpleNetworkDevice->TxRealModeDataBuffer, 1);
- }
-
- if (SimpleNetworkDevice->TxDestAddr != NULL) {
- gBS->FreePages ((EFI_PHYSICAL_ADDRESS) (UINTN) SimpleNetworkDevice->TxDestAddr, 1);
- }
-
- gBS->FreePool (SimpleNetworkDevice);
- }
-
- }
-
- if (EFI_ERROR (Status)) {
- AllChildrenStopped = FALSE;
- }
- }
-
- if (!AllChildrenStopped) {
- return EFI_DEVICE_ERROR;
- }
-
- return EFI_SUCCESS;
-}
-
-//
-// FIFO Support Functions
-//
-/**
- Judge whether transmit FIFO is full.
-
- @param Fifo Point to trasmit FIFO structure.
-
- @return BOOLEAN whether transmit FIFO is full.
-**/
-BOOLEAN
-SimpleNetworkTransmitFifoFull (
- EFI_SIMPLE_NETWORK_DEV_FIFO *Fifo
- )
-{
- if (((Fifo->Last + 1) % EFI_SIMPLE_NETWORK_MAX_TX_FIFO_SIZE) == Fifo->First) {
- return TRUE;
- }
-
- return FALSE;
-}
-
-/**
- Judge whether transmit FIFO is empty.
-
- @param Fifo Point to trasmit FIFO structure.
-
- @return BOOLEAN whether transmit FIFO is empty.
-**/
-BOOLEAN
-SimpleNetworkTransmitFifoEmpty (
- EFI_SIMPLE_NETWORK_DEV_FIFO *Fifo
- )
-{
- if (Fifo->Last == Fifo->First) {
- return TRUE;
- }
-
- return FALSE;
-}
-
-
-/**
- Add data into transmit buffer.
-
- @param Fifo Point to trasmit FIFO structure.
- @param Data The data point want to be added.
-
- @retval EFI_OUT_OF_RESOURCES FIFO is full
- @retval EFI_SUCCESS Success operation.
-**/
-EFI_STATUS
-SimpleNetworkTransmitFifoAdd (
- EFI_SIMPLE_NETWORK_DEV_FIFO *Fifo,
- VOID *Data
- )
-{
- if (SimpleNetworkTransmitFifoFull (Fifo)) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- Fifo->Data[Fifo->Last] = Data;
- Fifo->Last = (Fifo->Last + 1) % EFI_SIMPLE_NETWORK_MAX_TX_FIFO_SIZE;
- return EFI_SUCCESS;
-}
-
-/**
- Get a data and remove it from network transmit FIFO.
-
- @param Fifo Point to trasmit FIFO structure.
- @param Data On return, point to the data point want to be got and removed.
-
- @retval EFI_OUT_OF_RESOURCES network transmit buffer is empty.
- @retval EFI_SUCCESS Success operation.
-**/
-EFI_STATUS
-SimpleNetworkTransmitFifoRemove (
- EFI_SIMPLE_NETWORK_DEV_FIFO *Fifo,
- VOID **Data
- )
-{
- if (SimpleNetworkTransmitFifoEmpty (Fifo)) {
- return EFI_OUT_OF_RESOURCES;
- }
-
- *Data = Fifo->Data[Fifo->First];
- Fifo->First = (Fifo->First + 1) % EFI_SIMPLE_NETWORK_MAX_TX_FIFO_SIZE;
- return EFI_SUCCESS;
-}
-
-/**
- Get recive filter setting according to EFI mask value.
-
- @param ReceiveFilterSetting filter setting EFI mask value.
-
- @return UINT16 Undi filter setting value.
-**/
-UINT16
-Undi16GetPacketFilterSetting (
- UINTN ReceiveFilterSetting
- )
-{
- UINT16 PktFilter;
-
- PktFilter = 0;
- if ((ReceiveFilterSetting & EFI_SIMPLE_NETWORK_RECEIVE_UNICAST) != 0) {
- PktFilter |= FLTR_DIRECTED;
- }
-
- if ((ReceiveFilterSetting & EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST) != 0) {
- PktFilter |= FLTR_DIRECTED;
- }
-
- if ((ReceiveFilterSetting & EFI_SIMPLE_NETWORK_RECEIVE_BROADCAST) != 0) {
- PktFilter |= FLTR_BRDCST;
- }
-
- if ((ReceiveFilterSetting & EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS) != 0) {
- PktFilter |= FLTR_PRMSCS;
- }
-
- if ((ReceiveFilterSetting & EFI_SIMPLE_NETWORK_RECEIVE_PROMISCUOUS_MULTICAST) != 0) {
- PktFilter |= FLTR_PRMSCS;
- //
- // @bug : Do not know if this is right????
- //
- }
- //
- // @bug : What is FLTR_SRC_RTG?
- //
- return PktFilter;
-}
-
-/**
- Get filter setting from multi cast buffer .
-
- @param Mode Point to mode structure.
- @param McastBuffer The multi cast buffer
- @param HwAddressSize Size of filter value.
-
-**/
-VOID
-Undi16GetMCastFilters (
- IN EFI_SIMPLE_NETWORK_MODE *Mode,
- IN OUT PXENV_UNDI_MCAST_ADDR_T *McastBuffer,
- IN UINTN HwAddressSize
- )
-{
- UINTN Index;
-
- //
- // @bug : What if Mode->MCastFilterCount > MAXNUM_MCADDR?
- //
- McastBuffer->MCastAddrCount = (UINT16) Mode->MCastFilterCount;
- for (Index = 0; Index < MAXNUM_MCADDR; Index++) {
- if (Index < McastBuffer->MCastAddrCount) {
- CopyMem (&McastBuffer->MCastAddr[Index], &Mode->MCastFilter[Index], HwAddressSize);
- } else {
- ZeroMem (&McastBuffer->MCastAddr[Index], HwAddressSize);
- }
- }
-}
-//
-// Load 16 bit UNDI Option ROM into memory
-//
-/**
- Loads the undi driver.
-
- @param SimpleNetworkDevice A pointer to EFI_SIMPLE_NETWORK_DEV data structure.
-
- @retval EFI_SUCCESS - Successfully loads undi driver.
- @retval EFI_NOT_FOUND - Doesn't find undi driver or undi driver load failure.
-**/
-EFI_STATUS
-Undi16SimpleNetworkLoadUndi (
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice
- )
-{
- EFI_STATUS Status;
- EFI_PCI_IO_PROTOCOL *PciIo;
- UINTN RomAddress;
- PCI_EXPANSION_ROM_HEADER *PciExpansionRomHeader;
- PCI_DATA_STRUCTURE *PciDataStructure;
- PCI_TYPE00 Pci;
-
- if (!mCachedInt1A) {
- Status = CacheVectorAddress (0x1A);
- if (!EFI_ERROR (Status)) {
- mCachedInt1A = TRUE;
- }
- }
-
- PciIo = SimpleNetworkDevice->PciIo;
-
- PciIo->Pci.Read (
- PciIo,
- EfiPciIoWidthUint32,
- 0,
- sizeof (Pci) / sizeof (UINT32),
- &Pci
- );
-
- for (RomAddress = 0xc0000; RomAddress < 0xfffff; RomAddress += 0x800) {
-
- PciExpansionRomHeader = (PCI_EXPANSION_ROM_HEADER *) RomAddress;
-
- if (PciExpansionRomHeader->Signature != PCI_EXPANSION_ROM_HEADER_SIGNATURE) {
- continue;
- }
-
- DEBUG ((DEBUG_INIT, "Option ROM found at %X\n", RomAddress));
-
- //
- // If the pointer to the PCI Data Structure is invalid, no further images can be located.
- // The PCI Data Structure must be DWORD aligned.
- //
- if (PciExpansionRomHeader->PcirOffset == 0 ||
- (PciExpansionRomHeader->PcirOffset & 3) != 0 ||
- RomAddress + PciExpansionRomHeader->PcirOffset + sizeof (PCI_DATA_STRUCTURE) > 0x100000) {
- break;
- }
-
- PciDataStructure = (PCI_DATA_STRUCTURE *) (RomAddress + PciExpansionRomHeader->PcirOffset);
-
- if (PciDataStructure->Signature != PCI_DATA_STRUCTURE_SIGNATURE) {
- continue;
- }
-
- DEBUG ((DEBUG_INIT, "PCI Data Structure found at %X\n", PciDataStructure));
-
- if (PciDataStructure->VendorId != Pci.Hdr.VendorId || PciDataStructure->DeviceId != Pci.Hdr.DeviceId) {
- continue;
- }
-
- DEBUG (
- (DEBUG_INIT,
- "PCI device with matchinng VendorId and DeviceId (%d,%d)\n",
- (UINTN) PciDataStructure->VendorId,
- (UINTN) PciDataStructure->DeviceId)
- );
-
- Status = LaunchBaseCode (SimpleNetworkDevice, RomAddress);
-
- if (!EFI_ERROR (Status)) {
- return EFI_SUCCESS;
- }
-
- //
- // Free resources allocated in LaunchBaseCode
- //
- Undi16SimpleNetworkUnloadUndi (SimpleNetworkDevice);
- }
-
- return EFI_NOT_FOUND;
-}
-
-/**
- Unload 16 bit UNDI Option ROM from memory
-
- @param SimpleNetworkDevice A pointer to EFI_SIMPLE_NETWORK_DEV data structure.
-
- @return EFI_STATUS
-**/
-EFI_STATUS
-Undi16SimpleNetworkUnloadUndi (
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice
- )
-{
- if (SimpleNetworkDevice->UndiLoaderTable != NULL) {
- ZeroMem (SimpleNetworkDevice->UndiLoaderTable, SimpleNetworkDevice->UndiLoaderTablePages << EFI_PAGE_SHIFT);
- gBS->FreePages (
- (EFI_PHYSICAL_ADDRESS) (UINTN) SimpleNetworkDevice->UndiLoaderTable,
- SimpleNetworkDevice->UndiLoaderTablePages
- );
- }
-
- if (SimpleNetworkDevice->DestinationDataSegment != NULL) {
- ZeroMem (
- SimpleNetworkDevice->DestinationDataSegment,
- SimpleNetworkDevice->DestinationDataSegmentPages << EFI_PAGE_SHIFT
- );
- gBS->FreePages (
- (EFI_PHYSICAL_ADDRESS) (UINTN) SimpleNetworkDevice->DestinationDataSegment,
- SimpleNetworkDevice->DestinationDataSegmentPages
- );
- }
-
- if (SimpleNetworkDevice->DestinationStackSegment != NULL) {
- ZeroMem (
- SimpleNetworkDevice->DestinationStackSegment,
- SimpleNetworkDevice->DestinationStackSegmentPages << EFI_PAGE_SHIFT
- );
- gBS->FreePages (
- (EFI_PHYSICAL_ADDRESS) (UINTN) SimpleNetworkDevice->DestinationStackSegment,
- SimpleNetworkDevice->DestinationStackSegmentPages
- );
- }
-
- if (SimpleNetworkDevice->DestinationCodeSegment != NULL) {
- ZeroMem (
- SimpleNetworkDevice->DestinationCodeSegment,
- SimpleNetworkDevice->DestinationCodeSegmentPages << EFI_PAGE_SHIFT
- );
- gBS->FreePages (
- (EFI_PHYSICAL_ADDRESS) (UINTN) SimpleNetworkDevice->DestinationCodeSegment,
- SimpleNetworkDevice->DestinationCodeSegmentPages
- );
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- Start the UNDI interface.
-
- @param SimpleNetworkDevice A pointer to EFI_SIMPLE_NETWORK_DEV data structure.
- @param Ax PCI address of Undi device.
-
- @retval EFI_DEVICE_ERROR Fail to start 16 bit UNDI ROM.
- @retval Others Status of start 16 bit UNDI ROM.
-**/
-EFI_STATUS
-Undi16SimpleNetworkStartUndi (
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice,
- UINT16 Ax
- )
-{
- EFI_STATUS Status;
- PXENV_START_UNDI_T Start;
-
- //
- // Call 16 bit UNDI ROM to start the network interface
- //
- //
- // @bug : What is this state supposed to be???
- //
- Start.Status = INIT_PXE_STATUS;
- Start.Ax = Ax;
- Start.Bx = 0x0000;
- Start.Dx = 0x0000;
- Start.Di = 0x0000;
- Start.Es = 0x0000;
-
- Status = PxeStartUndi (SimpleNetworkDevice, &Start);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- if (Start.Status != PXENV_STATUS_SUCCESS) {
- return EFI_DEVICE_ERROR;
- }
-
- return Status;
-}
-
-
-/**
- Stop the UNDI interface
-
- @param SimpleNetworkDevice A pointer to EFI_SIMPLE_NETWORK_DEV data structure.
-
- @retval EFI_DEVICE_ERROR Fail to stop 16 bit UNDI ROM.
- @retval Others Status of stop 16 bit UNDI ROM.
-**/
-EFI_STATUS
-Undi16SimpleNetworkStopUndi (
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice
- )
-{
- EFI_STATUS Status;
- PXENV_STOP_UNDI_T Stop;
-
- //
- // Call 16 bit UNDI ROM to start the network interface
- //
- Stop.Status = INIT_PXE_STATUS;
-
- Status = PxeUndiStop (SimpleNetworkDevice, &Stop);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- if (Stop.Status != PXENV_STATUS_SUCCESS) {
- return EFI_DEVICE_ERROR;
- }
-
- return Status;
-}
-
-/**
- Cleanup Unid network interface
-
- @param SimpleNetworkDevice A pointer to EFI_SIMPLE_NETWORK_DEV data structure.
-
- @retval EFI_DEVICE_ERROR Fail to cleanup 16 bit UNDI ROM.
- @retval Others Status of cleanup 16 bit UNDI ROM.
-**/
-EFI_STATUS
-Undi16SimpleNetworkCleanupUndi (
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice
- )
-{
- EFI_STATUS Status;
- PXENV_UNDI_CLEANUP_T Cleanup;
-
- //
- // Call 16 bit UNDI ROM to cleanup the network interface
- //
- Cleanup.Status = INIT_PXE_STATUS;
-
- Status = PxeUndiCleanup (SimpleNetworkDevice, &Cleanup);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- if (Cleanup.Status != PXENV_STATUS_SUCCESS) {
- return EFI_DEVICE_ERROR;
- }
-
- return Status;
-}
-
-/**
- Get runtime information for Undi network interface
-
- @param This A pointer to EFI_SIMPLE_NETWORK_PROTOCOL structure.
-
- @retval EFI_SUCCESS Sucess operation.
- @retval Others Fail to get runtime information for Undi network interface.
-**/
-EFI_STATUS
-Undi16SimpleNetworkGetInformation (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This
- )
-{
- EFI_STATUS Status;
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice;
- UINTN Index;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = EFI_SUCCESS;
- SimpleNetworkDevice = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (This);
-
- if (SimpleNetworkDevice == NULL) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Verify that the current state of the adapter is valid for this call.
- //
- switch (SimpleNetworkDevice->SimpleNetworkMode.State) {
- case EfiSimpleNetworkStarted:
- case EfiSimpleNetworkInitialized:
- break;
-
- case EfiSimpleNetworkStopped:
- return EFI_NOT_STARTED;
-
- default:
- return EFI_DEVICE_ERROR;
- }
- //
- // Call 16 bit UNDI ROM to start the network interface
- //
- ZeroMem (&SimpleNetworkDevice->GetInformation, sizeof (PXENV_UNDI_GET_INFORMATION_T));
-
- SimpleNetworkDevice->GetInformation.Status = INIT_PXE_STATUS;
-
- Status = PxeUndiGetInformation (SimpleNetworkDevice, &SimpleNetworkDevice->GetInformation);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- DEBUG ((DEBUG_NET, " GetInformation.Status = %d\n", SimpleNetworkDevice->GetInformation.Status));
- DEBUG ((DEBUG_NET, " GetInformation.BaseIo = %d\n", SimpleNetworkDevice->GetInformation.BaseIo));
- DEBUG ((DEBUG_NET, " GetInformation.IntNumber = %d\n", SimpleNetworkDevice->GetInformation.IntNumber));
- DEBUG ((DEBUG_NET, " GetInformation.MaxTranUnit = %d\n", SimpleNetworkDevice->GetInformation.MaxTranUnit));
- DEBUG ((DEBUG_NET, " GetInformation.HwType = %d\n", SimpleNetworkDevice->GetInformation.HwType));
- DEBUG ((DEBUG_NET, " GetInformation.HwAddrLen = %d\n", SimpleNetworkDevice->GetInformation.HwAddrLen));
- DEBUG ((DEBUG_NET, " GetInformation.ROMAddress = %d\n", SimpleNetworkDevice->GetInformation.ROMAddress));
- DEBUG ((DEBUG_NET, " GetInformation.RxBufCt = %d\n", SimpleNetworkDevice->GetInformation.RxBufCt));
- DEBUG ((DEBUG_NET, " GetInformation.TxBufCt = %d\n", SimpleNetworkDevice->GetInformation.TxBufCt));
-
- DEBUG ((DEBUG_NET, " GetInformation.CurNodeAddr ="));
- for (Index = 0; Index < 16; Index++) {
- DEBUG ((DEBUG_NET, "%02x ", SimpleNetworkDevice->GetInformation.CurrentNodeAddress[Index]));
- }
-
- DEBUG ((DEBUG_NET, "\n"));
-
- DEBUG ((DEBUG_NET, " GetInformation.PermNodeAddr ="));
- for (Index = 0; Index < 16; Index++) {
- DEBUG ((DEBUG_NET, "%02x ", SimpleNetworkDevice->GetInformation.PermNodeAddress[Index]));
- }
-
- DEBUG ((DEBUG_NET, "\n"));
-
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- if (SimpleNetworkDevice->GetInformation.Status != PXENV_STATUS_SUCCESS) {
- return EFI_DEVICE_ERROR;
- }
- //
- // The information has been retrieved. Fill in Mode data.
- //
- SimpleNetworkDevice->SimpleNetworkMode.HwAddressSize = SimpleNetworkDevice->GetInformation.HwAddrLen;
-
- SimpleNetworkDevice->SimpleNetworkMode.MaxPacketSize = SimpleNetworkDevice->GetInformation.MaxTranUnit;
-
- SimpleNetworkDevice->SimpleNetworkMode.IfType = (UINT8) SimpleNetworkDevice->GetInformation.HwType;
-
- ZeroMem (
- &SimpleNetworkDevice->SimpleNetworkMode.CurrentAddress,
- sizeof SimpleNetworkDevice->SimpleNetworkMode.CurrentAddress
- );
-
- CopyMem (
- &SimpleNetworkDevice->SimpleNetworkMode.CurrentAddress,
- &SimpleNetworkDevice->GetInformation.CurrentNodeAddress,
- SimpleNetworkDevice->SimpleNetworkMode.HwAddressSize
- );
-
- ZeroMem (
- &SimpleNetworkDevice->SimpleNetworkMode.PermanentAddress,
- sizeof SimpleNetworkDevice->SimpleNetworkMode.PermanentAddress
- );
-
- CopyMem (
- &SimpleNetworkDevice->SimpleNetworkMode.PermanentAddress,
- &SimpleNetworkDevice->GetInformation.PermNodeAddress,
- SimpleNetworkDevice->SimpleNetworkMode.HwAddressSize
- );
-
- //
- // hard code broadcast address - not avail in PXE2.1
- //
- ZeroMem (
- &SimpleNetworkDevice->SimpleNetworkMode.BroadcastAddress,
- sizeof SimpleNetworkDevice->SimpleNetworkMode.BroadcastAddress
- );
-
- SetMem (
- &SimpleNetworkDevice->SimpleNetworkMode.BroadcastAddress,
- SimpleNetworkDevice->SimpleNetworkMode.HwAddressSize,
- 0xff
- );
-
- return Status;
-}
-
-/**
- Get NIC type
-
- @param This A pointer to EFI_SIMPLE_NETWORK_PROTOCOL structure.
-
- @retval EFI_SUCCESS Sucess operation.
- @retval Others Fail to get NIC type.
-**/
-EFI_STATUS
-Undi16SimpleNetworkGetNicType (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This
- )
-{
- EFI_STATUS Status;
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = EFI_SUCCESS;
- SimpleNetworkDevice = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (This);
-
- if (SimpleNetworkDevice == NULL) {
- return EFI_DEVICE_ERROR;
- }
-
- ZeroMem (&SimpleNetworkDevice->GetNicType, sizeof (PXENV_UNDI_GET_NIC_TYPE_T));
-
- SimpleNetworkDevice->GetNicType.Status = INIT_PXE_STATUS;
-
- Status = PxeUndiGetNicType (SimpleNetworkDevice, &SimpleNetworkDevice->GetNicType);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- DEBUG ((DEBUG_NET, " GetNicType.Status = %d\n", SimpleNetworkDevice->GetNicType.Status));
- DEBUG ((DEBUG_NET, " GetNicType.NicType = %d\n", SimpleNetworkDevice->GetNicType.NicType));
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- if (SimpleNetworkDevice->GetNicType.Status != PXENV_STATUS_SUCCESS) {
- return EFI_DEVICE_ERROR;
- }
- //
- // The information has been retrieved. Fill in Mode data.
- //
- return Status;
-}
-
-/**
- Get NDIS information
-
- @param This A pointer to EFI_SIMPLE_NETWORK_PROTOCOL structure.
-
- @retval EFI_SUCCESS Sucess operation.
- @retval Others Fail to get NDIS information.
-**/
-EFI_STATUS
-Undi16SimpleNetworkGetNdisInfo (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This
- )
-{
- EFI_STATUS Status;
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = EFI_SUCCESS;
- SimpleNetworkDevice = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (This);
-
- if (SimpleNetworkDevice == NULL) {
- return EFI_DEVICE_ERROR;
- }
-
- ZeroMem (&SimpleNetworkDevice->GetNdisInfo, sizeof (PXENV_UNDI_GET_NDIS_INFO_T));
-
- SimpleNetworkDevice->GetNdisInfo.Status = INIT_PXE_STATUS;
-
- Status = PxeUndiGetNdisInfo (SimpleNetworkDevice, &SimpleNetworkDevice->GetNdisInfo);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- DEBUG ((DEBUG_NET, " GetNdisInfo.Status = %d\n", SimpleNetworkDevice->GetNdisInfo.Status));
- DEBUG ((DEBUG_NET, " GetNdisInfo.IfaceType = %a\n", SimpleNetworkDevice->GetNdisInfo.IfaceType));
- DEBUG ((DEBUG_NET, " GetNdisInfo.LinkSpeed = %d\n", SimpleNetworkDevice->GetNdisInfo.LinkSpeed));
- DEBUG ((DEBUG_NET, " GetNdisInfo.ServiceFlags = %08x\n", SimpleNetworkDevice->GetNdisInfo.ServiceFlags));
-
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- if (SimpleNetworkDevice->GetNdisInfo.Status != PXENV_STATUS_SUCCESS) {
- return EFI_DEVICE_ERROR;
- }
- //
- // The information has been retrieved. Fill in Mode data.
- //
- return Status;
-}
-
-/**
- Call Undi ROM 16bit ISR() to check interrupt cause.
-
- @param This A pointer to EFI_SIMPLE_NETWORK_PROTOCOL structure.
- @param FrameLength The length of frame buffer.
- @param FrameHeaderLength The length of frame buffer's header if has.
- @param Frame The frame buffer to process network interrupt.
- @param ProtType The type network transmit protocol
- @param PktType The type of package.
-
- @retval EFI_DEVICE_ERROR Fail to execute 16 bit ROM's ISR, or status is invalid.
- @retval EFI_SUCCESS Success operation.
-**/
-EFI_STATUS
-Undi16SimpleNetworkIsr (
- IN EFI_SIMPLE_NETWORK_PROTOCOL * This,
- IN UINTN *FrameLength,
- IN UINTN *FrameHeaderLength, OPTIONAL
- IN UINT8 *Frame, OPTIONAL
- IN UINT8 *ProtType, OPTIONAL
- IN UINT8 *PktType OPTIONAL
- )
-{
- EFI_STATUS Status;
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice;
- BOOLEAN FrameReceived;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = EFI_SUCCESS;
- SimpleNetworkDevice = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (This);
-
- if (SimpleNetworkDevice == NULL) {
- return EFI_DEVICE_ERROR;
- }
-
- FrameReceived = FALSE;
-
- //
- // Verify that the current state of the adapter is valid for this call.
- //
- switch (SimpleNetworkDevice->SimpleNetworkMode.State) {
- case EfiSimpleNetworkInitialized:
- break;
-
- case EfiSimpleNetworkStopped:
- return EFI_NOT_STARTED;
-
- case EfiSimpleNetworkStarted:
- default:
- return EFI_DEVICE_ERROR;
- }
-
- DEBUG ((DEBUG_NET, "Isr() IsrValid = %d\n", SimpleNetworkDevice->IsrValid));
-
- if (!SimpleNetworkDevice->IsrValid) {
- //
- // Call 16 bit UNDI ROM to open the network interface
- //
- ZeroMem (&SimpleNetworkDevice->Isr, sizeof (PXENV_UNDI_ISR_T));
- SimpleNetworkDevice->Isr.Status = INIT_PXE_STATUS;
- SimpleNetworkDevice->Isr.FuncFlag = PXENV_UNDI_ISR_IN_START;
-
- DEBUG ((DEBUG_NET, "Isr() START\n"));
-
- Status = PxeUndiIsr (SimpleNetworkDevice, &SimpleNetworkDevice->Isr);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- if (SimpleNetworkDevice->Isr.Status != PXENV_STATUS_SUCCESS) {
- return EFI_DEVICE_ERROR;
- }
- //
- // There have been no events on this UNDI interface, so return EFI_NOT_READY
- //
- if (SimpleNetworkDevice->Isr.FuncFlag == PXENV_UNDI_ISR_OUT_NOT_OURS) {
- return EFI_SUCCESS;
- }
- //
- // There is data to process, so call until all events processed.
- //
- ZeroMem (&SimpleNetworkDevice->Isr, sizeof (PXENV_UNDI_ISR_T));
- SimpleNetworkDevice->Isr.Status = INIT_PXE_STATUS;
- SimpleNetworkDevice->Isr.FuncFlag = PXENV_UNDI_ISR_IN_PROCESS;
-
- DEBUG ((DEBUG_NET, "Isr() PROCESS\n"));
-
- Status = PxeUndiIsr (SimpleNetworkDevice, &SimpleNetworkDevice->Isr);
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- SimpleNetworkDevice->IsrValid = TRUE;
- }
- //
- // Call UNDI GET_NEXT until DONE
- //
- while (SimpleNetworkDevice->Isr.FuncFlag != PXENV_UNDI_ISR_OUT_DONE) {
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- if (SimpleNetworkDevice->Isr.Status != PXENV_STATUS_SUCCESS) {
- return EFI_DEVICE_ERROR;
- }
- //
- // UNDI is busy. Caller will have to call again.
- // This should never happen with a polled mode driver.
- //
- if (SimpleNetworkDevice->Isr.FuncFlag == PXENV_UNDI_ISR_OUT_BUSY) {
- DEBUG ((DEBUG_NET, " BUSY\n"));
- return EFI_SUCCESS;
- }
- //
- // Check for invalud UNDI FuncFlag
- //
- if (SimpleNetworkDevice->Isr.FuncFlag != PXENV_UNDI_ISR_OUT_RECEIVE &&
- SimpleNetworkDevice->Isr.FuncFlag != PXENV_UNDI_ISR_OUT_TRANSMIT
- ) {
- DEBUG ((DEBUG_NET, " Invalid SimpleNetworkDevice->Isr.FuncFlag value %d\n", SimpleNetworkDevice->Isr.FuncFlag));
- return EFI_DEVICE_ERROR;
- }
- //
- // Check for Transmit Event
- //
- if (SimpleNetworkDevice->Isr.FuncFlag == PXENV_UNDI_ISR_OUT_TRANSMIT) {
- DEBUG ((DEBUG_NET, " TRANSMIT\n"));
- SimpleNetworkDevice->InterruptStatus |= EFI_SIMPLE_NETWORK_TRANSMIT_INTERRUPT;
- }
- //
- // Check for Receive Event
- //
- else if (SimpleNetworkDevice->Isr.FuncFlag == PXENV_UNDI_ISR_OUT_RECEIVE) {
- //
- // note - this code will hang on a receive interrupt in a GetStatus loop
- //
- DEBUG ((DEBUG_NET, " RECEIVE\n"));
- SimpleNetworkDevice->InterruptStatus |= EFI_SIMPLE_NETWORK_RECEIVE_INTERRUPT;
-
- DEBUG ((DEBUG_NET, "SimpleNetworkDevice->Isr.BufferLength = %d\n", SimpleNetworkDevice->Isr.BufferLength));
- DEBUG ((DEBUG_NET, "SimpleNetworkDevice->Isr.FrameLength = %d\n", SimpleNetworkDevice->Isr.FrameLength));
- DEBUG ((DEBUG_NET, "SimpleNetworkDevice->Isr.FrameHeaderLength = %d\n", SimpleNetworkDevice->Isr.FrameHeaderLength));
- DEBUG (
- (
- DEBUG_NET, "SimpleNetworkDevice->Isr.Frame = %04x:%04x\n", SimpleNetworkDevice->Isr.FrameSegSel,
- SimpleNetworkDevice->Isr.FrameOffset
- )
- );
- DEBUG ((DEBUG_NET, "SimpleNetworkDevice->Isr.ProtType = 0x%02x\n", SimpleNetworkDevice->Isr.BufferLength));
- DEBUG ((DEBUG_NET, "SimpleNetworkDevice->Isr.PktType = 0x%02x\n", SimpleNetworkDevice->Isr.BufferLength));
-
- if (FrameReceived) {
- return EFI_SUCCESS;
- }
-
- if ((Frame == NULL) || (SimpleNetworkDevice->Isr.FrameLength > *FrameLength)) {
- DEBUG ((DEBUG_NET, "return EFI_BUFFER_TOO_SMALL *FrameLength = %08x\n", *FrameLength));
- *FrameLength = SimpleNetworkDevice->Isr.FrameLength;
- return EFI_BUFFER_TOO_SMALL;
- }
-
- *FrameLength = SimpleNetworkDevice->Isr.FrameLength;
- if (FrameHeaderLength != NULL) {
- *FrameHeaderLength = SimpleNetworkDevice->Isr.FrameHeaderLength;
- }
-
- if (ProtType != NULL) {
- *ProtType = SimpleNetworkDevice->Isr.ProtType;
- }
-
- if (PktType != NULL) {
- *PktType = SimpleNetworkDevice->Isr.PktType;
- }
-
- CopyMem (
- Frame,
- (VOID *) (((UINTN) SimpleNetworkDevice->Isr.FrameSegSel << 4) + SimpleNetworkDevice->Isr.FrameOffset),
- SimpleNetworkDevice->Isr.BufferLength
- );
- Frame = Frame + SimpleNetworkDevice->Isr.BufferLength;
- if (SimpleNetworkDevice->Isr.BufferLength == SimpleNetworkDevice->Isr.FrameLength) {
- FrameReceived = TRUE;
- }
- }
- //
- // There is data to process, so call until all events processed.
- //
- ZeroMem (&SimpleNetworkDevice->Isr, sizeof (PXENV_UNDI_ISR_T));
- SimpleNetworkDevice->Isr.Status = INIT_PXE_STATUS;
- SimpleNetworkDevice->Isr.FuncFlag = PXENV_UNDI_ISR_IN_GET_NEXT;
-
- DEBUG ((DEBUG_NET, "Isr() GET NEXT\n"));
-
- Status = PxeUndiIsr (SimpleNetworkDevice, &SimpleNetworkDevice->Isr);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- // if (SimpleNetworkDevice->Isr.Status != PXENV_STATUS_SUCCESS) {
- // return EFI_DEVICE_ERROR;
- // }
- //
- }
-
- SimpleNetworkDevice->IsrValid = FALSE;
- return EFI_SUCCESS;
-}
-//
-// ///////////////////////////////////////////////////////////////////////////////////////
-// Simple Network Protocol Interface Functions using 16 bit UNDI Option ROMs
-/////////////////////////////////////////////////////////////////////////////////////////
-//
-// Start()
-//
-/**
- Call 16 bit UNDI ROM to start the network interface
-
- @param This A pointer to EFI_SIMPLE_NETWORK_PROTOCOL structure.
-
- @retval EFI_DEVICE_ERROR Network interface has not be initialized.
- @retval EFI_DEVICE_ERROR Fail to execute 16 bit ROM call.
- @retval EFI_SUCESS Success operation.
-**/
-EFI_STATUS
-EFIAPI
-Undi16SimpleNetworkStart (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This
- )
-{
- EFI_STATUS Status;
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice;
- PXENV_UNDI_STARTUP_T Startup;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = EFI_SUCCESS;
- SimpleNetworkDevice = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (This);
-
- if (SimpleNetworkDevice == NULL) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Verify that the current state of the adapter is valid for this call.
- //
- switch (SimpleNetworkDevice->SimpleNetworkMode.State) {
- case EfiSimpleNetworkStopped:
- break;
-
- case EfiSimpleNetworkStarted:
- case EfiSimpleNetworkInitialized:
- return EFI_ALREADY_STARTED;
-
- default:
- return EFI_DEVICE_ERROR;
- }
- //
- // Call 16 bit UNDI ROM to start the network interface
- //
- Startup.Status = INIT_PXE_STATUS;
-
- Status = PxeUndiStartup (SimpleNetworkDevice, &Startup);
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- if (Startup.Status != PXENV_STATUS_SUCCESS) {
- return EFI_DEVICE_ERROR;
- }
- //
- // The UNDI interface has been started, so update the State.
- //
- SimpleNetworkDevice->SimpleNetworkMode.State = EfiSimpleNetworkStarted;
-
- //
- //
- //
- SimpleNetworkDevice->SimpleNetworkMode.ReceiveFilterSetting = 0;
- SimpleNetworkDevice->SimpleNetworkMode.MCastFilterCount = 0;
-
- return Status;
-}
-//
-// Stop()
-//
-/**
- Call 16 bit UNDI ROM to stop the network interface
-
- @param This A pointer to EFI_SIMPLE_NETWORK_PROTOCOL structure.
-
- @retval EFI_DEVICE_ERROR Network interface has not be initialized.
- @retval EFI_DEVICE_ERROR Fail to execute 16 bit ROM call.
- @retval EFI_SUCESS Success operation.
-**/
-EFI_STATUS
-EFIAPI
-Undi16SimpleNetworkStop (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This
- )
-{
- EFI_STATUS Status;
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = EFI_SUCCESS;
- SimpleNetworkDevice = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (This);
-
- if (SimpleNetworkDevice == NULL) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Verify that the current state of the adapter is valid for this call.
- //
- switch (SimpleNetworkDevice->SimpleNetworkMode.State) {
- case EfiSimpleNetworkStarted:
- break;
-
- case EfiSimpleNetworkStopped:
- return EFI_NOT_STARTED;
-
- case EfiSimpleNetworkInitialized:
- default:
- return EFI_DEVICE_ERROR;
- }
-
- SimpleNetworkDevice->SimpleNetworkMode.State = EfiSimpleNetworkStopped;
-
- return Status;
-}
-
-//
-// Initialize()
-//
-/**
- Initialize network interface
-
- @param This A pointer to EFI_SIMPLE_NETWORK_PROTOCOL structure.
- @param ExtraRxBufferSize The size of extra request receive buffer.
- @param ExtraTxBufferSize The size of extra request transmit buffer.
-
- @retval EFI_DEVICE_ERROR Fail to execute 16 bit ROM call.
- @retval EFI_SUCESS Success operation.
-**/
-EFI_STATUS
-EFIAPI
-Undi16SimpleNetworkInitialize (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- IN UINTN ExtraRxBufferSize OPTIONAL,
- IN UINTN ExtraTxBufferSize OPTIONAL
- )
-{
- EFI_STATUS Status;
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice;
- PXENV_UNDI_INITIALIZE_T Initialize;
- PXENV_UNDI_OPEN_T Open;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = EFI_SUCCESS;
- SimpleNetworkDevice = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (This);
-
- if (SimpleNetworkDevice == NULL) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Verify that the current state of the adapter is valid for this call.
- //
- switch (SimpleNetworkDevice->SimpleNetworkMode.State) {
- case EfiSimpleNetworkStopped:
- return EFI_NOT_STARTED;
-
- case EfiSimpleNetworkStarted:
- break;
-
- case EfiSimpleNetworkInitialized:
- default:
- return EFI_DEVICE_ERROR;
- }
- //
- // Call 16 bit UNDI ROM to start the network interface
- //
- Initialize.Status = INIT_PXE_STATUS;
- Initialize.ProtocolIni = 0;
-
- Status = PxeUndiInitialize (SimpleNetworkDevice, &Initialize);
-
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "ERROR : PxeUndiInitialize() - Status = %r\n", Status));
- DEBUG ((DEBUG_ERROR, "Initialize.Status == %xh\n", Initialize.Status));
-
- if (Initialize.Status == PXENV_STATUS_UNDI_MEDIATEST_FAILED) {
- Status = EFI_NO_MEDIA;
- }
-
- return Status;
- }
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- if (Initialize.Status != PXENV_STATUS_SUCCESS) {
- DEBUG ((DEBUG_ERROR, "ERROR : PxeUndiInitialize() - Initialize.Status = %04x\n", Initialize.Status));
- return EFI_DEVICE_ERROR;
- }
- //
- // Call 16 bit UNDI ROM to open the network interface
- //
- Open.Status = INIT_PXE_STATUS;
- Open.OpenFlag = 0;
- Open.PktFilter = Undi16GetPacketFilterSetting (SimpleNetworkDevice->SimpleNetworkMode.ReceiveFilterSetting);
- Undi16GetMCastFilters (
- &SimpleNetworkDevice->SimpleNetworkMode,
- &Open.McastBuffer,
- SimpleNetworkDevice->SimpleNetworkMode.HwAddressSize
- );
-
- Status = PxeUndiOpen (SimpleNetworkDevice, &Open);
-
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "ERROR : PxeUndiOpen() - Status = %r\n", Status));
- return Status;
- }
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- if (Open.Status != PXENV_STATUS_SUCCESS) {
- DEBUG ((DEBUG_ERROR, "ERROR : PxeUndiOpen() - Open.Status = %04x\n", Open.Status));
- return EFI_DEVICE_ERROR;
- }
- //
- // The UNDI interface has been initialized, so update the State.
- //
- SimpleNetworkDevice->SimpleNetworkMode.State = EfiSimpleNetworkInitialized;
-
- //
- // If initialize succeeds, then assume that media is present.
- //
- SimpleNetworkDevice->SimpleNetworkMode.MediaPresent = TRUE;
-
- //
- // Reset the recycled transmit buffer FIFO
- //
- SimpleNetworkDevice->TxBufferFifo.First = 0;
- SimpleNetworkDevice->TxBufferFifo.Last = 0;
- SimpleNetworkDevice->IsrValid = FALSE;
-
- return Status;
-}
-//
-// Reset()
-//
-/**
- Reset network interface.
-
- @param This A pointer to EFI_SIMPLE_NETWORK_PROTOCOL structure.
- @param ExtendedVerification Need extended verfication.
-
- @retval EFI_INVALID_PARAMETER Invalid This parameter.
- @retval EFI_DEVICE_ERROR Network device has not been initialized.
- @retval EFI_NOT_STARTED Network device has been stopped.
- @retval EFI_DEVICE_ERROR Invalid status for network device
- @retval EFI_SUCCESS Success operation.
-**/
-EFI_STATUS
-EFIAPI
-Undi16SimpleNetworkReset (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- IN BOOLEAN ExtendedVerification
- )
-{
- EFI_STATUS Status;
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice;
- PXENV_UNDI_RESET_T Reset;
- UINT16 Rx_filter;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = EFI_SUCCESS;
- SimpleNetworkDevice = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (This);
-
- if (SimpleNetworkDevice == NULL) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Verify that the current state of the adapter is valid for this call.
- //
- switch (SimpleNetworkDevice->SimpleNetworkMode.State) {
- case EfiSimpleNetworkStopped:
- return EFI_NOT_STARTED;
-
- case EfiSimpleNetworkInitialized:
- break;
-
- case EfiSimpleNetworkStarted:
- default:
- return EFI_DEVICE_ERROR;
- }
-
- Reset.Status = INIT_PXE_STATUS;
-
- Rx_filter = Undi16GetPacketFilterSetting (SimpleNetworkDevice->SimpleNetworkMode.ReceiveFilterSetting);
-
- Undi16GetMCastFilters (
- &SimpleNetworkDevice->SimpleNetworkMode,
- &Reset.R_Mcast_Buf,
- SimpleNetworkDevice->SimpleNetworkMode.HwAddressSize
- );
-
- Status = PxeUndiResetNic (SimpleNetworkDevice, &Reset, Rx_filter);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- if (Reset.Status != PXENV_STATUS_SUCCESS) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Reset the recycled transmit buffer FIFO
- //
- SimpleNetworkDevice->TxBufferFifo.First = 0;
- SimpleNetworkDevice->TxBufferFifo.Last = 0;
- SimpleNetworkDevice->IsrValid = FALSE;
-
- return Status;
-}
-//
-// Shutdown()
-//
-/**
- Shutdown network interface.
-
- @param This A pointer to EFI_SIMPLE_NETWORK_PROTOCOL structure.
-
- @retval EFI_INVALID_PARAMETER Invalid This parameter.
- @retval EFI_DEVICE_ERROR Network device has not been initialized.
- @retval EFI_NOT_STARTED Network device has been stopped.
- @retval EFI_DEVICE_ERROR Invalid status for network device
- @retval EFI_SUCCESS Success operation.
-**/
-EFI_STATUS
-EFIAPI
-Undi16SimpleNetworkShutdown (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This
- )
-{
- EFI_STATUS Status;
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice;
- PXENV_UNDI_CLOSE_T Close;
- PXENV_UNDI_SHUTDOWN_T Shutdown;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = EFI_SUCCESS;
- SimpleNetworkDevice = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (This);
-
- if (SimpleNetworkDevice == NULL) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Verify that the current state of the adapter is valid for this call.
- //
- switch (SimpleNetworkDevice->SimpleNetworkMode.State) {
- case EfiSimpleNetworkStopped:
- return EFI_NOT_STARTED;
-
- case EfiSimpleNetworkInitialized:
- break;
-
- case EfiSimpleNetworkStarted:
- default:
- return EFI_DEVICE_ERROR;
- }
-
- SimpleNetworkDevice->IsrValid = FALSE;
-
- //
- // Call 16 bit UNDI ROM to start the network interface
- //
- Close.Status = INIT_PXE_STATUS;
-
- Status = PxeUndiClose (SimpleNetworkDevice, &Close);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- if (Close.Status != PXENV_STATUS_SUCCESS) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Call 16 bit UNDI ROM to open the network interface
- //
- Shutdown.Status = INIT_PXE_STATUS;
-
- Status = PxeUndiShutdown (SimpleNetworkDevice, &Shutdown);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- if (Shutdown.Status != PXENV_STATUS_SUCCESS) {
- return EFI_DEVICE_ERROR;
- }
- //
- // The UNDI interface has been initialized, so update the State.
- //
- SimpleNetworkDevice->SimpleNetworkMode.State = EfiSimpleNetworkStarted;
-
- //
- // If shutdown succeeds, then assume that media is not present.
- //
- SimpleNetworkDevice->SimpleNetworkMode.MediaPresent = FALSE;
-
- //
- // Reset the recycled transmit buffer FIFO
- //
- SimpleNetworkDevice->TxBufferFifo.First = 0;
- SimpleNetworkDevice->TxBufferFifo.Last = 0;
-
- //
- // A short delay. Without this an initialize immediately following
- // a shutdown will cause some versions of UNDI-16 to stop operating.
- //
- gBS->Stall (250000);
-
- return Status;
-}
-//
-// ReceiveFilters()
-//
-/**
- Reset network interface.
-
- @param This A pointer to EFI_SIMPLE_NETWORK_PROTOCOL structure.
- @param Enable Enable mask value
- @param Disable Disable mask value
- @param ResetMCastFilter Whether reset multi cast filter or not
- @param MCastFilterCnt Count of mutli cast filter for different MAC address
- @param MCastFilter Buffer for mustli cast filter for different MAC address.
-
- @retval EFI_INVALID_PARAMETER Invalid This parameter.
- @retval EFI_DEVICE_ERROR Network device has not been initialized.
- @retval EFI_NOT_STARTED Network device has been stopped.
- @retval EFI_DEVICE_ERROR Invalid status for network device
- @retval EFI_SUCCESS Success operation.
-**/
-EFI_STATUS
-EFIAPI
-Undi16SimpleNetworkReceiveFilters (
- IN EFI_SIMPLE_NETWORK_PROTOCOL * This,
- IN UINT32 Enable,
- IN UINT32 Disable,
- IN BOOLEAN ResetMCastFilter,
- IN UINTN MCastFilterCnt OPTIONAL,
- IN EFI_MAC_ADDRESS * MCastFilter OPTIONAL
- )
-{
- EFI_STATUS Status;
- UINTN Index;
- UINT32 NewFilter;
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice;
- PXENV_UNDI_CLOSE_T Close;
- PXENV_UNDI_OPEN_T Open;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = EFI_SUCCESS;
- SimpleNetworkDevice = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (This);
-
- if (SimpleNetworkDevice == NULL) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Verify that the current state of the adapter is valid for this call.
- //
- switch (SimpleNetworkDevice->SimpleNetworkMode.State) {
- case EfiSimpleNetworkStopped:
- return EFI_NOT_STARTED;
-
- case EfiSimpleNetworkInitialized:
- break;
-
- case EfiSimpleNetworkStarted:
- default:
- return EFI_DEVICE_ERROR;
- }
- //
- // First deal with possible filter setting changes
- //
- if ((Enable == 0) && (Disable == 0) && !ResetMCastFilter) {
- return EFI_SUCCESS;
- }
-
- NewFilter = (SimpleNetworkDevice->SimpleNetworkMode.ReceiveFilterSetting | Enable) &~Disable;
-
- if ((NewFilter & EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST) != 0) {
- if ((MCastFilterCnt == 0) || (MCastFilter == 0) || MCastFilterCnt > SimpleNetworkDevice->SimpleNetworkMode.MaxMCastFilterCount) {
- return EFI_INVALID_PARAMETER;
- }
- }
- //
- // Call 16 bit UNDI ROM to close the network interface
- //
- Close.Status = INIT_PXE_STATUS;
-
- Status = PxeUndiClose (SimpleNetworkDevice, &Close);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- if (Close.Status != PXENV_STATUS_SUCCESS) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Call 16 bit UNDI ROM to open the network interface
- //
- //
- // Reset the recycled transmit buffer FIFO
- //
- SimpleNetworkDevice->TxBufferFifo.First = 0;
- SimpleNetworkDevice->TxBufferFifo.Last = 0;
-
- //
- // Call 16 bit UNDI ROM to open the network interface
- //
- ZeroMem (&Open, sizeof Open);
-
- Open.Status = INIT_PXE_STATUS;
- Open.PktFilter = Undi16GetPacketFilterSetting (NewFilter);
-
- if ((NewFilter & EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST) != 0) {
- //
- // Copy the MAC addresses into the UNDI open parameter structure
- //
- Open.McastBuffer.MCastAddrCount = (UINT16) MCastFilterCnt;
- for (Index = 0; Index < MCastFilterCnt; ++Index) {
- CopyMem (
- Open.McastBuffer.MCastAddr[Index],
- &MCastFilter[Index],
- sizeof Open.McastBuffer.MCastAddr[Index]
- );
- }
- } else if (!ResetMCastFilter) {
- for (Index = 0; Index < SimpleNetworkDevice->SimpleNetworkMode.MCastFilterCount; ++Index) {
- CopyMem (
- Open.McastBuffer.MCastAddr[Index],
- &SimpleNetworkDevice->SimpleNetworkMode.MCastFilter[Index],
- sizeof Open.McastBuffer.MCastAddr[Index]
- );
- }
- }
-
- Status = PxeUndiOpen (SimpleNetworkDevice, &Open);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- if (Open.Status != PXENV_STATUS_SUCCESS) {
- return EFI_DEVICE_ERROR;
- }
-
- SimpleNetworkDevice->IsrValid = FALSE;
- SimpleNetworkDevice->SimpleNetworkMode.ReceiveFilterSetting = NewFilter;
-
- if ((NewFilter & EFI_SIMPLE_NETWORK_RECEIVE_MULTICAST) != 0) {
- SimpleNetworkDevice->SimpleNetworkMode.MCastFilterCount = (UINT32) MCastFilterCnt;
- for (Index = 0; Index < MCastFilterCnt; ++Index) {
- CopyMem (
- &SimpleNetworkDevice->SimpleNetworkMode.MCastFilter[Index],
- &MCastFilter[Index],
- sizeof (EFI_MAC_ADDRESS)
- );
- }
- }
- //
- // Read back multicast addresses.
- //
- return EFI_SUCCESS;
-}
-//
-// StationAddress()
-//
-/**
- Set new MAC address.
-
- @param This A pointer to EFI_SIMPLE_NETWORK_PROTOCOL structure.
- @param Reset Whether reset station MAC address to permanent address
- @param New A pointer to New address
-
- @retval EFI_INVALID_PARAMETER Invalid This parameter.
- @retval EFI_DEVICE_ERROR Network device has not been initialized.
- @retval EFI_NOT_STARTED Network device has been stopped.
- @retval EFI_DEVICE_ERROR Invalid status for network device
- @retval EFI_SUCCESS Success operation.
-**/
-EFI_STATUS
-EFIAPI
-Undi16SimpleNetworkStationAddress (
- IN EFI_SIMPLE_NETWORK_PROTOCOL * This,
- IN BOOLEAN Reset,
- IN EFI_MAC_ADDRESS * New OPTIONAL
- )
-{
- EFI_STATUS Status;
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice;
- PXENV_UNDI_SET_STATION_ADDR_T SetStationAddr;
- //
- // EFI_DEVICE_PATH_PROTOCOL *OldDevicePath;
- //
- PXENV_UNDI_CLOSE_T Close;
- PXENV_UNDI_OPEN_T Open;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = EFI_SUCCESS;
-
- SimpleNetworkDevice = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (This);
-
- if (SimpleNetworkDevice == NULL) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Verify that the current state of the adapter is valid for this call.
- //
- switch (SimpleNetworkDevice->SimpleNetworkMode.State) {
- case EfiSimpleNetworkInitialized:
- break;
-
- case EfiSimpleNetworkStopped:
- return EFI_NOT_STARTED;
-
- case EfiSimpleNetworkStarted:
- default:
- return EFI_DEVICE_ERROR;
- }
- //
- // Call 16 bit UNDI ROM to open the network interface
- //
- SetStationAddr.Status = INIT_PXE_STATUS;
-
- if (Reset) {
- //
- // If we are resetting the Station Address to the permanent address, and the
- // Station Address is not programmable, then just return EFI_SUCCESS.
- //
- if (!SimpleNetworkDevice->SimpleNetworkMode.MacAddressChangeable) {
- return EFI_SUCCESS;
- }
- //
- // If the address is already the permanent address, then just return success.
- //
- if (CompareMem (
- &SimpleNetworkDevice->SimpleNetworkMode.CurrentAddress,
- &SimpleNetworkDevice->SimpleNetworkMode.PermanentAddress,
- SimpleNetworkDevice->SimpleNetworkMode.HwAddressSize
- ) == 0) {
- return EFI_SUCCESS;
- }
- //
- // Copy the adapters permanent address to the new station address
- //
- CopyMem (
- &SetStationAddr.StationAddress,
- &SimpleNetworkDevice->SimpleNetworkMode.PermanentAddress,
- SimpleNetworkDevice->SimpleNetworkMode.HwAddressSize
- );
- } else {
- //
- // If we are setting the Station Address, and the
- // Station Address is not programmable, return invalid parameter.
- //
- if (!SimpleNetworkDevice->SimpleNetworkMode.MacAddressChangeable) {
- return EFI_INVALID_PARAMETER;
- }
- //
- // If the address is already the new address, then just return success.
- //
- if (CompareMem (
- &SimpleNetworkDevice->SimpleNetworkMode.CurrentAddress,
- New,
- SimpleNetworkDevice->SimpleNetworkMode.HwAddressSize
- ) == 0) {
- return EFI_SUCCESS;
- }
- //
- // Copy New to the new station address
- //
- CopyMem (
- &SetStationAddr.StationAddress,
- New,
- SimpleNetworkDevice->SimpleNetworkMode.HwAddressSize
- );
-
- }
- //
- // Call 16 bit UNDI ROM to stop the network interface
- //
- Close.Status = INIT_PXE_STATUS;
-
- PxeUndiClose (SimpleNetworkDevice, &Close);
-
- //
- // Call 16-bit UNDI ROM to set the station address
- //
- SetStationAddr.Status = PXENV_STATUS_SUCCESS;
-
- Status = PxeUndiSetStationAddr (SimpleNetworkDevice, &SetStationAddr);
-
- //
- // Call 16-bit UNDI ROM to start the network interface
- //
- Open.Status = PXENV_STATUS_SUCCESS;
- Open.OpenFlag = 0;
- Open.PktFilter = Undi16GetPacketFilterSetting (SimpleNetworkDevice->SimpleNetworkMode.ReceiveFilterSetting);
- Undi16GetMCastFilters (
- &SimpleNetworkDevice->SimpleNetworkMode,
- &Open.McastBuffer,
- SimpleNetworkDevice->SimpleNetworkMode.HwAddressSize
- );
-
- PxeUndiOpen (SimpleNetworkDevice, &Open);
-
- //
- // Check status from station address change
- //
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- if (SetStationAddr.Status != PXENV_STATUS_SUCCESS) {
- return EFI_DEVICE_ERROR;
- }
-
- CopyMem (
- &SimpleNetworkDevice->SimpleNetworkMode.CurrentAddress,
- &SetStationAddr.StationAddress,
- SimpleNetworkDevice->SimpleNetworkMode.HwAddressSize
- );
-
-#if 0 /* The device path is based on the permanent address not the current address. */
- //
- // The station address was changed, so update the device path with the new MAC address.
- //
- OldDevicePath = SimpleNetworkDevice->DevicePath;
- SimpleNetworkDevice->DevicePath = DuplicateDevicePath (SimpleNetworkDevice->BaseDevicePath);
- SimpleNetworkAppendMacAddressDevicePath (
- &SimpleNetworkDevice->DevicePath,
- &SimpleNetworkDevice->SimpleNetworkMode.CurrentAddress
- );
-
- Status = LibReinstallProtocolInterfaces (
- SimpleNetworkDevice->Handle,
- &DevicePathProtocol,
- OldDevicePath,
- SimpleNetworkDevice->DevicePath,
- NULL
- );
-
- if (EFI_ERROR (Status)) {
- DEBUG ((DEBUG_ERROR, "Failed to reinstall the DevicePath protocol for the Simple Network Device\n"));
- DEBUG ((DEBUG_ERROR, " Status = %r\n", Status));
- }
-
- FreePool (OldDevicePath);
-#endif /* 0 */
-
- return Status;
-}
-//
-// Statistics()
-//
-/**
- Resets or collects the statistics on a network interface.
-
- @param This Protocol instance pointer.
- @param Reset Set to TRUE to reset the statistics for the network interface.
- @param StatisticsSize On input the size, in bytes, of StatisticsTable. On
- output the size, in bytes, of the resulting table of
- statistics.
- @param StatisticsTable A pointer to the EFI_NETWORK_STATISTICS structure that
- contains the statistics.
-
- @retval EFI_SUCCESS The statistics were collected from the network interface.
- @retval EFI_NOT_STARTED The network interface has not been started.
- @retval EFI_BUFFER_TOO_SMALL The Statistics buffer was too small. The current buffer
- size needed to hold the statistics is returned in
- StatisticsSize.
- @retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.
- @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
- @retval EFI_UNSUPPORTED This function is not supported by the network interface.
-
-**/
-EFI_STATUS
-EFIAPI
-Undi16SimpleNetworkStatistics (
- IN EFI_SIMPLE_NETWORK_PROTOCOL * This,
- IN BOOLEAN Reset,
- IN OUT UINTN *StatisticsSize OPTIONAL,
- OUT EFI_NETWORK_STATISTICS * StatisticsTable OPTIONAL
- )
-{
- EFI_STATUS Status;
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice;
- PXENV_UNDI_CLEAR_STATISTICS_T ClearStatistics;
- PXENV_UNDI_GET_STATISTICS_T GetStatistics;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = EFI_SUCCESS;
- SimpleNetworkDevice = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (This);
-
- if (SimpleNetworkDevice == NULL) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Verify that the current state of the adapter is valid for this call.
- //
- switch (SimpleNetworkDevice->SimpleNetworkMode.State) {
- case EfiSimpleNetworkInitialized:
- break;
-
- case EfiSimpleNetworkStopped:
- return EFI_NOT_STARTED;
-
- case EfiSimpleNetworkStarted:
- default:
- return EFI_DEVICE_ERROR;
- }
-
- if ((StatisticsSize != NULL) && (*StatisticsSize != 0) && (StatisticsTable == NULL)) {
- return EFI_INVALID_PARAMETER;
- }
-
- //
- // If Reset is TRUE, then clear all the statistics.
- //
- if (Reset) {
-
- DEBUG ((DEBUG_NET, " RESET Statistics\n"));
-
- //
- // Call 16 bit UNDI ROM to open the network interface
- //
- ClearStatistics.Status = INIT_PXE_STATUS;
-
- Status = PxeUndiClearStatistics (SimpleNetworkDevice, &ClearStatistics);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- if (ClearStatistics.Status != PXENV_STATUS_SUCCESS) {
- return EFI_DEVICE_ERROR;
- }
-
- DEBUG ((DEBUG_NET, " RESET Statistics Complete"));
- }
-
- if (StatisticsSize != NULL) {
- EFI_NETWORK_STATISTICS LocalStatisticsTable;
-
- DEBUG ((DEBUG_NET, " GET Statistics\n"));
-
- //
- // If the size if valid, then see if the table is valid
- //
- if (StatisticsTable == NULL) {
- DEBUG ((DEBUG_NET, " StatisticsTable is NULL\n"));
- return EFI_INVALID_PARAMETER;
- }
- //
- // Call 16 bit UNDI ROM to open the network interface
- //
- GetStatistics.Status = INIT_PXE_STATUS;
- GetStatistics.XmtGoodFrames = 0;
- GetStatistics.RcvGoodFrames = 0;
- GetStatistics.RcvCRCErrors = 0;
- GetStatistics.RcvResourceErrors = 0;
-
- Status = PxeUndiGetStatistics (SimpleNetworkDevice, &GetStatistics);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- if (GetStatistics.Status != PXENV_STATUS_SUCCESS) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Fill in the Statistics Table with the collected values.
- //
- SetMem (&LocalStatisticsTable, sizeof LocalStatisticsTable, 0xff);
-
- LocalStatisticsTable.TxGoodFrames = GetStatistics.XmtGoodFrames;
- LocalStatisticsTable.RxGoodFrames = GetStatistics.RcvGoodFrames;
- LocalStatisticsTable.RxCrcErrorFrames = GetStatistics.RcvCRCErrors;
- LocalStatisticsTable.RxDroppedFrames = GetStatistics.RcvResourceErrors;
-
- CopyMem (StatisticsTable, &LocalStatisticsTable, *StatisticsSize);
-
- DEBUG (
- (DEBUG_NET,
- " Statistics Collected : Size=%d Buf=%08x\n",
- *StatisticsSize,
- StatisticsTable)
- );
-
- DEBUG ((DEBUG_NET, " GET Statistics Complete"));
-
- if (*StatisticsSize < sizeof LocalStatisticsTable) {
- DEBUG ((DEBUG_NET, " BUFFER TOO SMALL\n"));
- Status = EFI_BUFFER_TOO_SMALL;
- }
-
- *StatisticsSize = sizeof LocalStatisticsTable;
-
- return Status;
-
- }
-
- return EFI_SUCCESS;
-}
-//
-// MCastIpToMac()
-//
-/**
- Translate IP address to MAC address.
-
- @param This A pointer to EFI_SIMPLE_NETWORK_PROTOCOL structure.
- @param IPv6 IPv6 or IPv4
- @param IP A pointer to given Ip address.
- @param MAC On return, translated MAC address.
-
- @retval EFI_INVALID_PARAMETER Invalid This parameter.
- @retval EFI_INVALID_PARAMETER Invalid IP address.
- @retval EFI_INVALID_PARAMETER Invalid return buffer for holding MAC address.
- @retval EFI_UNSUPPORTED Do not support IPv6
- @retval EFI_DEVICE_ERROR Network device has not been initialized.
- @retval EFI_NOT_STARTED Network device has been stopped.
- @retval EFI_DEVICE_ERROR Invalid status for network device
- @retval EFI_SUCCESS Success operation.
-**/
-EFI_STATUS
-EFIAPI
-Undi16SimpleNetworkMCastIpToMac (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- IN BOOLEAN IPv6,
- IN EFI_IP_ADDRESS *IP,
- OUT EFI_MAC_ADDRESS *MAC
- )
-{
- EFI_STATUS Status;
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice;
- PXENV_UNDI_GET_MCAST_ADDR_T GetMcastAddr;
-
- if (This == NULL || IP == NULL || MAC == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = EFI_SUCCESS;
- SimpleNetworkDevice = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (This);
-
- if (SimpleNetworkDevice == NULL) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Verify that the current state of the adapter is valid for this call.
- //
- switch (SimpleNetworkDevice->SimpleNetworkMode.State) {
- case EfiSimpleNetworkStopped:
- return EFI_NOT_STARTED;
-
- case EfiSimpleNetworkInitialized:
- break;
-
- case EfiSimpleNetworkStarted:
- default:
- return EFI_DEVICE_ERROR;
- }
- //
- // 16 bit UNDI Option ROMS do not support IPv6. Check for IPv6 usage.
- //
- if (IPv6) {
- return EFI_UNSUPPORTED;
- }
- //
- // Call 16 bit UNDI ROM to open the network interface
- //
- GetMcastAddr.Status = INIT_PXE_STATUS;
- CopyMem (&GetMcastAddr.InetAddr, IP, 4);
-
- Status = PxeUndiGetMcastAddr (SimpleNetworkDevice, &GetMcastAddr);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- if (GetMcastAddr.Status != PXENV_STATUS_SUCCESS) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Copy the MAC address from the returned data structure.
- //
- CopyMem (
- MAC,
- &GetMcastAddr.MediaAddr,
- SimpleNetworkDevice->SimpleNetworkMode.HwAddressSize
- );
-
- return Status;
-}
-//
-// NvData()
-//
-/**
- Performs read and write operations on the NVRAM device attached to a
- network interface.
-
- @param This The protocol instance pointer.
- @param ReadWrite TRUE for read operations, FALSE for write operations.
- @param Offset Byte offset in the NVRAM device at which to start the read or
- write operation. This must be a multiple of NvRamAccessSize and
- less than NvRamSize.
- @param BufferSize The number of bytes to read or write from the NVRAM device.
- This must also be a multiple of NvramAccessSize.
- @param Buffer A pointer to the data buffer.
-
- @retval EFI_SUCCESS The NVRAM access was performed.
- @retval EFI_NOT_STARTED The network interface has not been started.
- @retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.
- @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
- @retval EFI_UNSUPPORTED This function is not supported by the network interface.
-
-**/
-EFI_STATUS
-EFIAPI
-Undi16SimpleNetworkNvData (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- IN BOOLEAN ReadWrite,
- IN UINTN Offset,
- IN UINTN BufferSize,
- IN OUT VOID *Buffer
- )
-{
- return EFI_UNSUPPORTED;
-}
-//
-// GetStatus()
-//
-/**
- Reads the current interrupt status and recycled transmit buffer status from
- a network interface.
-
- @param This The protocol instance pointer.
- @param InterruptStatus A pointer to the bit mask of the currently active interrupts
- If this is NULL, the interrupt status will not be read from
- the device. If this is not NULL, the interrupt status will
- be read from the device. When the interrupt status is read,
- it will also be cleared. Clearing the transmit interrupt
- does not empty the recycled transmit buffer array.
- @param TxBuf Recycled transmit buffer address. The network interface will
- not transmit if its internal recycled transmit buffer array
- is full. Reading the transmit buffer does not clear the
- transmit interrupt. If this is NULL, then the transmit buffer
- status will not be read. If there are no transmit buffers to
- recycle and TxBuf is not NULL, * TxBuf will be set to NULL.
-
- @retval EFI_SUCCESS The status of the network interface was retrieved.
- @retval EFI_NOT_STARTED The network interface has not been started.
- @retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.
- @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
- @retval EFI_UNSUPPORTED This function is not supported by the network interface.
-
-**/
-EFI_STATUS
-EFIAPI
-Undi16SimpleNetworkGetStatus (
- IN EFI_SIMPLE_NETWORK_PROTOCOL * This,
- OUT UINT32 *InterruptStatus OPTIONAL,
- OUT VOID **TxBuf OPTIONAL
- )
-{
- EFI_STATUS Status;
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice;
- UINTN FrameLength;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = EFI_SUCCESS;
- SimpleNetworkDevice = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (This);
-
- if (SimpleNetworkDevice == NULL) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Verify that the current state of the adapter is valid for this call.
- //
- switch (SimpleNetworkDevice->SimpleNetworkMode.State) {
- case EfiSimpleNetworkInitialized:
- break;
-
- case EfiSimpleNetworkStopped:
- return EFI_NOT_STARTED;
-
- case EfiSimpleNetworkStarted:
- default:
- return EFI_DEVICE_ERROR;
- }
-
- if (InterruptStatus == NULL && TxBuf == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- FrameLength = 0;
- Status = Undi16SimpleNetworkIsr (This, &FrameLength, NULL, NULL, NULL, NULL);
-
- if (Status != EFI_BUFFER_TOO_SMALL) {
- if (EFI_ERROR (Status)) {
- return Status;
- }
- }
- //
- // See if the caller wants interrupt info.
- //
- if (InterruptStatus != NULL) {
- *InterruptStatus = SimpleNetworkDevice->InterruptStatus;
- SimpleNetworkDevice->InterruptStatus = 0;
- }
- //
- // See if the caller wants transmit buffer status info.
- //
- if (TxBuf != NULL) {
- *TxBuf = 0;
- SimpleNetworkTransmitFifoRemove (&(SimpleNetworkDevice->TxBufferFifo), TxBuf);
- }
-
- return EFI_SUCCESS;
-}
-
-/**
- Places a packet in the transmit queue of a network interface.
-
- @param This The protocol instance pointer.
- @param HeaderSize The size, in bytes, of the media header to be filled in by
- the Transmit() function. If HeaderSize is non-zero, then it
- must be equal to This->Mode->MediaHeaderSize and the DestAddr
- and Protocol parameters must not be NULL.
- @param BufferSize The size, in bytes, of the entire packet (media header and
- data) to be transmitted through the network interface.
- @param Buffer A pointer to the packet (media header followed by data) to be
- transmitted. This parameter cannot be NULL. If HeaderSize is zero,
- then the media header in Buffer must already be filled in by the
- caller. If HeaderSize is non-zero, then the media header will be
- filled in by the Transmit() function.
- @param SrcAddr The source HW MAC address. If HeaderSize is zero, then this parameter
- is ignored. If HeaderSize is non-zero and SrcAddr is NULL, then
- This->Mode->CurrentAddress is used for the source HW MAC address.
- @param DestAddr The destination HW MAC address. If HeaderSize is zero, then this
- parameter is ignored.
- @param Protocol The type of header to build. If HeaderSize is zero, then this
- parameter is ignored. See RFC 1700, section "Ether Types", for
- examples.
-
- @retval EFI_SUCCESS The packet was placed on the transmit queue.
- @retval EFI_NOT_STARTED The network interface has not been started.
- @retval EFI_NOT_READY The network interface is too busy to accept this transmit request.
- @retval EFI_BUFFER_TOO_SMALL The BufferSize parameter is too small.
- @retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.
- @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
- @retval EFI_UNSUPPORTED This function is not supported by the network interface.
-
-**/
-EFI_STATUS
-EFIAPI
-Undi16SimpleNetworkTransmit (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- IN UINTN HeaderSize,
- IN UINTN BufferSize,
- IN VOID *Buffer,
- IN EFI_MAC_ADDRESS *SrcAddr OPTIONAL,
- IN EFI_MAC_ADDRESS *DestAddr OPTIONAL,
- IN UINT16 *Protocol OPTIONAL
- )
-{
- EFI_STATUS Status;
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice;
- PXENV_UNDI_TRANSMIT_T XmitInfo;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = EFI_SUCCESS;
- SimpleNetworkDevice = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (This);
-
- if (SimpleNetworkDevice == NULL) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Verify that the current state of the adapter is valid for this call.
- //
- switch (SimpleNetworkDevice->SimpleNetworkMode.State) {
- case EfiSimpleNetworkInitialized:
- break;
-
- case EfiSimpleNetworkStopped:
- return EFI_NOT_STARTED;
-
- case EfiSimpleNetworkStarted:
- default:
- return EFI_DEVICE_ERROR;
- }
-
- if (Buffer == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (BufferSize < SimpleNetworkDevice->SimpleNetworkMode.MediaHeaderSize) {
- return EFI_BUFFER_TOO_SMALL;
- }
-
- if (HeaderSize != 0) {
- if (HeaderSize != SimpleNetworkDevice->SimpleNetworkMode.MediaHeaderSize) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (DestAddr == NULL || Protocol == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- if (DestAddr != NULL) {
- CopyMem (
- Buffer,
- DestAddr,
- SimpleNetworkDevice->SimpleNetworkMode.HwAddressSize
- );
- }
-
- if (SrcAddr == NULL) {
- SrcAddr = &SimpleNetworkDevice->SimpleNetworkMode.CurrentAddress;
- }
-
- CopyMem (
- (UINT8 *) Buffer + SimpleNetworkDevice->SimpleNetworkMode.HwAddressSize,
- SrcAddr,
- SimpleNetworkDevice->SimpleNetworkMode.HwAddressSize
- );
-
- if (Protocol != NULL) {
- *(UINT16 *) ((UINT8 *) Buffer + 2 * SimpleNetworkDevice->SimpleNetworkMode.HwAddressSize) = (UINT16) (((*Protocol & 0xFF) << 8) | ((*Protocol >> 8) & 0xFF));
- }
- }
- //
- // See if the recycled transmit buffer FIFO is full.
- // If it is full, then we can not transmit until the caller calls GetStatus() to pull
- // off recycled transmit buffers.
- //
- if (SimpleNetworkTransmitFifoFull (&(SimpleNetworkDevice->TxBufferFifo))) {
- return EFI_NOT_READY;
- }
- //
- // Output debug trace message.
- //
- DEBUG ((DEBUG_NET, "Undi16SimpleNetworkTransmit\n\r "));
-
- //
- // Initialize UNDI WRITE parameter structure.
- //
- XmitInfo.Status = INIT_PXE_STATUS;
- XmitInfo.Protocol = P_UNKNOWN;
- XmitInfo.XmitFlag = XMT_DESTADDR;
- XmitInfo.DestAddrOffset = (UINT16) ((UINT32)(UINTN) SimpleNetworkDevice->TxDestAddr & 0x000f);
- XmitInfo.DestAddrSegment = (UINT16) ((UINT32)(UINTN) SimpleNetworkDevice->TxDestAddr >> 4);
- XmitInfo.TBDOffset = (UINT16) ((UINT32)(UINTN) SimpleNetworkDevice->Xmit & 0x000f);
- XmitInfo.TBDSegment = (UINT16) ((UINT32)(UINTN) SimpleNetworkDevice->Xmit >> 4);
- XmitInfo.Reserved[0] = 0;
- XmitInfo.Reserved[1] = 0;
-
- CopyMem (
- SimpleNetworkDevice->TxDestAddr,
- Buffer,
- SimpleNetworkDevice->SimpleNetworkMode.HwAddressSize
- );
-
- CopyMem (
- SimpleNetworkDevice->TxRealModeMediaHeader,
- Buffer,
- SimpleNetworkDevice->SimpleNetworkMode.MediaHeaderSize
- );
-
- SimpleNetworkDevice->Xmit->ImmedLength = (UINT16) SimpleNetworkDevice->SimpleNetworkMode.MediaHeaderSize;
-
- SimpleNetworkDevice->Xmit->DataBlock[0].TDDataLen = (UINT16) (BufferSize - SimpleNetworkDevice->Xmit->ImmedLength);
-
- CopyMem (
- SimpleNetworkDevice->TxRealModeDataBuffer,
- (UINT8 *) Buffer + SimpleNetworkDevice->SimpleNetworkMode.MediaHeaderSize,
- SimpleNetworkDevice->Xmit->DataBlock[0].TDDataLen
- );
-
- //
- // Make API call to UNDI TRANSMIT
- //
- XmitInfo.Status = 0;
-
- Status = PxeUndiTransmit (SimpleNetworkDevice, &XmitInfo);
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
- //
- // Check the status code from the 16 bit UNDI ROM
- //
- switch (XmitInfo.Status) {
- case PXENV_STATUS_OUT_OF_RESOURCES:
- return EFI_NOT_READY;
-
- case PXENV_STATUS_SUCCESS:
- break;
-
- default:
- return EFI_DEVICE_ERROR;
- }
- //
- // Add address of Buffer to the recycled transmit buffer FIFO
- //
- SimpleNetworkTransmitFifoAdd (&(SimpleNetworkDevice->TxBufferFifo), Buffer);
-
- return EFI_SUCCESS;
-}
-
-/**
- Receives a packet from a network interface.
-
- @param This The protocol instance pointer.
- @param HeaderSize The size, in bytes, of the media header received on the network
- interface. If this parameter is NULL, then the media header size
- will not be returned.
- @param BufferSize On entry, the size, in bytes, of Buffer. On exit, the size, in
- bytes, of the packet that was received on the network interface.
- @param Buffer A pointer to the data buffer to receive both the media header and
- the data.
- @param SrcAddr The source HW MAC address. If this parameter is NULL, the
- HW MAC source address will not be extracted from the media
- header.
- @param DestAddr The destination HW MAC address. If this parameter is NULL,
- the HW MAC destination address will not be extracted from the
- media header.
- @param Protocol The media header type. If this parameter is NULL, then the
- protocol will not be extracted from the media header. See
- RFC 1700 section "Ether Types" for examples.
-
- @retval EFI_SUCCESS The received data was stored in Buffer, and BufferSize has
- been updated to the number of bytes received.
- @retval EFI_NOT_STARTED The network interface has not been started.
- @retval EFI_NOT_READY The network interface is too busy to accept this transmit
- request.
- @retval EFI_BUFFER_TOO_SMALL The BufferSize parameter is too small.
- @retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.
- @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
- @retval EFI_UNSUPPORTED This function is not supported by the network interface.
-
-**/
-EFI_STATUS
-EFIAPI
-Undi16SimpleNetworkReceive (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This,
- OUT UINTN *HeaderSize OPTIONAL,
- IN OUT UINTN *BufferSize,
- OUT VOID *Buffer,
- OUT EFI_MAC_ADDRESS *SrcAddr OPTIONAL,
- OUT EFI_MAC_ADDRESS *DestAddr OPTIONAL,
- OUT UINT16 *Protocol OPTIONAL
- )
-{
- EFI_STATUS Status;
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice;
- UINTN MediaAddrSize;
- UINT8 ProtType;
-
- if (This == NULL || BufferSize == NULL || Buffer == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = EFI_SUCCESS;
- SimpleNetworkDevice = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (This);
-
- if (SimpleNetworkDevice == NULL) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Verify that the current state of the adapter is valid for this call.
- //
- switch (SimpleNetworkDevice->SimpleNetworkMode.State) {
- case EfiSimpleNetworkInitialized:
- break;
-
- case EfiSimpleNetworkStopped:
- return EFI_NOT_STARTED;
-
- case EfiSimpleNetworkStarted:
- default:
- return EFI_DEVICE_ERROR;
- }
-
- Status = Undi16SimpleNetworkIsr (
- This,
- BufferSize,
- HeaderSize,
- Buffer,
- &ProtType,
- NULL
- );
-
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- if ((SimpleNetworkDevice->InterruptStatus & EFI_SIMPLE_NETWORK_RECEIVE_INTERRUPT) == 0) {
- return EFI_NOT_READY;
-
- }
-
- SimpleNetworkDevice->InterruptStatus &= ~EFI_SIMPLE_NETWORK_RECEIVE_INTERRUPT;
-
- MediaAddrSize = This->Mode->HwAddressSize;
-
- if (SrcAddr != NULL) {
- CopyMem (SrcAddr, (UINT8 *) Buffer + MediaAddrSize, MediaAddrSize);
- }
-
- if (DestAddr != NULL) {
- CopyMem (DestAddr, Buffer, MediaAddrSize);
- }
-
- if (Protocol != NULL) {
- *((UINT8 *) Protocol) = *((UINT8 *) Buffer + (2 * MediaAddrSize) + 1);
- *((UINT8 *) Protocol + 1) = *((UINT8 *) Buffer + (2 * MediaAddrSize));
- }
-
- DEBUG ((DEBUG_NET, "Packet Received: BufferSize=%d HeaderSize = %d\n", *BufferSize, *HeaderSize));
-
- return Status;
-
-}
-//
-// WaitForPacket()
-//
-/**
- wait for a packet to be received.
-
- @param Event Event used with WaitForEvent() to wait for a packet to be received.
- @param Context Event Context
-
-**/
-VOID
-EFIAPI
-Undi16SimpleNetworkWaitForPacket (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- //
- // Someone is waiting on the receive packet event, if there's
- // a packet pending, signal the event
- //
- if (!EFI_ERROR (Undi16SimpleNetworkCheckForPacket (Context))) {
- gBS->SignalEvent (Event);
- }
-}
-//
-// CheckForPacket()
-//
-/**
- Check whether packet is ready for receive.
-
- @param This The protocol instance pointer.
-
- @retval EFI_SUCCESS Receive data is ready.
- @retval EFI_NOT_STARTED The network interface has not been started.
- @retval EFI_NOT_READY The network interface is too busy to accept this transmit
- request.
- @retval EFI_BUFFER_TOO_SMALL The BufferSize parameter is too small.
- @retval EFI_INVALID_PARAMETER One or more of the parameters has an unsupported value.
- @retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
- @retval EFI_UNSUPPORTED This function is not supported by the network interface.
-**/
-EFI_STATUS
-Undi16SimpleNetworkCheckForPacket (
- IN EFI_SIMPLE_NETWORK_PROTOCOL *This
- )
-{
- EFI_STATUS Status;
- EFI_SIMPLE_NETWORK_DEV *SimpleNetworkDevice;
- UINTN FrameLength;
-
- if (This == NULL) {
- return EFI_INVALID_PARAMETER;
- }
-
- Status = EFI_SUCCESS;
- SimpleNetworkDevice = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (This);
-
- if (SimpleNetworkDevice == NULL) {
- return EFI_DEVICE_ERROR;
- }
- //
- // Verify that the current state of the adapter is valid for this call.
- //
- switch (SimpleNetworkDevice->SimpleNetworkMode.State) {
- case EfiSimpleNetworkInitialized:
- break;
-
- case EfiSimpleNetworkStopped:
- return EFI_NOT_STARTED;
-
- case EfiSimpleNetworkStarted:
- default:
- return EFI_DEVICE_ERROR;
- }
-
- FrameLength = 0;
- Status = Undi16SimpleNetworkIsr (
- This,
- &FrameLength,
- NULL,
- NULL,
- NULL,
- NULL
- );
-
- if (Status != EFI_BUFFER_TOO_SMALL) {
- if (EFI_ERROR (Status)) {
- return Status;
- }
- }
-
- return ((SimpleNetworkDevice->InterruptStatus & EFI_SIMPLE_NETWORK_RECEIVE_INTERRUPT) != 0) ? EFI_SUCCESS : EFI_NOT_READY;
-}
-
-/**
- Signal handlers for ExitBootServices event.
-
- Clean up any Real-mode UNDI residue from the system
-
- @param Event ExitBootServices event
- @param Context
-**/
-VOID
-EFIAPI
-Undi16SimpleNetworkEvent (
- IN EFI_EVENT Event,
- IN VOID *Context
- )
-{
- //
- // NOTE: This is not the only way to effect this cleanup. The prescribed mechanism
- // would be to perform an UNDI STOP command. This strategam has been attempted
- // but results in problems making some of the EFI core services from TPL_CALLBACK.
- // This issue needs to be resolved, but the other alternative has been to perform
- // the unchain logic explicitly, as done below.
- //
- RestoreCachedVectorAddress (0x1A);
-}
-
-/**
- Allocate buffer below 1M for real mode.
-
- @param NumPages The number pages want to be allocated.
- @param Buffer On return, allocated buffer.
-
- @return Status of allocating pages.
-**/
-EFI_STATUS
-BiosSnp16AllocatePagesBelowOneMb (
- UINTN NumPages,
- VOID **Buffer
- )
-{
- EFI_STATUS Status;
- EFI_PHYSICAL_ADDRESS PhysicalAddress;
-
- PhysicalAddress = 0x000fffff;
- Status = gBS->AllocatePages (
- AllocateMaxAddress,
- EfiRuntimeServicesData,
- NumPages,
- &PhysicalAddress
- );
- if (EFI_ERROR (Status)) {
- return Status;
- }
-
- *Buffer = (VOID *) (UINTN) PhysicalAddress;
- return EFI_SUCCESS;
-}
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