mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-26 16:47:40 +01:00
147 lines
3.9 KiB
C
147 lines
3.9 KiB
C
/** @file
|
|
Implementation of shuting down a network adapter.
|
|
|
|
Copyright (c) 2004 - 2018, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#include "Snp.h"
|
|
|
|
|
|
/**
|
|
Call UNDI to shut down the interface.
|
|
|
|
@param Snp Pointer to snp driver structure.
|
|
|
|
@retval EFI_SUCCESS UNDI is shut down successfully.
|
|
@retval EFI_DEVICE_ERROR UNDI could not be shut down.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
PxeShutdown (
|
|
IN SNP_DRIVER *Snp
|
|
)
|
|
{
|
|
Snp->Cdb.OpCode = PXE_OPCODE_SHUTDOWN;
|
|
Snp->Cdb.OpFlags = PXE_OPFLAGS_NOT_USED;
|
|
Snp->Cdb.CPBsize = PXE_CPBSIZE_NOT_USED;
|
|
Snp->Cdb.DBsize = PXE_DBSIZE_NOT_USED;
|
|
Snp->Cdb.CPBaddr = PXE_CPBADDR_NOT_USED;
|
|
Snp->Cdb.DBaddr = PXE_DBADDR_NOT_USED;
|
|
Snp->Cdb.StatCode = PXE_STATCODE_INITIALIZE;
|
|
Snp->Cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;
|
|
Snp->Cdb.IFnum = Snp->IfNum;
|
|
Snp->Cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;
|
|
|
|
//
|
|
// Issue UNDI command and check result.
|
|
//
|
|
DEBUG ((EFI_D_NET, "\nsnp->undi.shutdown() "));
|
|
|
|
(*Snp->IssueUndi32Command) ((UINT64)(UINTN) &Snp->Cdb);
|
|
|
|
if (Snp->Cdb.StatCode != PXE_STATCODE_SUCCESS) {
|
|
//
|
|
// UNDI could not be shutdown. Return UNDI error.
|
|
//
|
|
DEBUG ((EFI_D_WARN, "\nsnp->undi.shutdown() %xh:%xh\n", Snp->Cdb.StatFlags, Snp->Cdb.StatCode));
|
|
|
|
return EFI_DEVICE_ERROR;
|
|
}
|
|
//
|
|
// Free allocated memory.
|
|
//
|
|
if (Snp->TxRxBuffer != NULL) {
|
|
Snp->PciIo->FreeBuffer (
|
|
Snp->PciIo,
|
|
SNP_MEM_PAGES (Snp->TxRxBufferSize),
|
|
(VOID *) Snp->TxRxBuffer
|
|
);
|
|
}
|
|
|
|
Snp->TxRxBuffer = NULL;
|
|
Snp->TxRxBufferSize = 0;
|
|
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
|
|
/**
|
|
Resets a network adapter and leaves it in a state that is safe for another
|
|
driver to initialize.
|
|
|
|
This function releases the memory buffers assigned in the Initialize() call.
|
|
Pending transmits and receives are lost, and interrupts are cleared and disabled.
|
|
After this call, only the Initialize() and Stop() calls may be used. If the
|
|
network interface was successfully shutdown, then EFI_SUCCESS will be returned.
|
|
If the driver has not been initialized, EFI_DEVICE_ERROR will be returned.
|
|
|
|
@param This A pointer to the EFI_SIMPLE_NETWORK_PROTOCOL instance.
|
|
|
|
@retval EFI_SUCCESS The network interface was shutdown.
|
|
@retval EFI_NOT_STARTED The network interface has not been started.
|
|
@retval EFI_INVALID_PARAMETER This parameter was NULL or did not point to a valid
|
|
EFI_SIMPLE_NETWORK_PROTOCOL structure.
|
|
@retval EFI_DEVICE_ERROR The command could not be sent to the network interface.
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
SnpUndi32Shutdown (
|
|
IN EFI_SIMPLE_NETWORK_PROTOCOL *This
|
|
)
|
|
{
|
|
SNP_DRIVER *Snp;
|
|
EFI_STATUS Status;
|
|
EFI_TPL OldTpl;
|
|
|
|
//
|
|
// Get pointer to SNP driver instance for *This.
|
|
//
|
|
if (This == NULL) {
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
|
|
Snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (This);
|
|
|
|
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
|
|
|
|
//
|
|
// Return error if the SNP is not initialized.
|
|
//
|
|
switch (Snp->Mode.State) {
|
|
case EfiSimpleNetworkInitialized:
|
|
break;
|
|
|
|
case EfiSimpleNetworkStopped:
|
|
Status = EFI_NOT_STARTED;
|
|
goto ON_EXIT;
|
|
|
|
default:
|
|
Status = EFI_DEVICE_ERROR;
|
|
goto ON_EXIT;
|
|
}
|
|
|
|
Status = PxeShutdown (Snp);
|
|
|
|
Snp->Mode.State = EfiSimpleNetworkStarted;
|
|
Snp->Mode.ReceiveFilterSetting = 0;
|
|
|
|
Snp->Mode.MCastFilterCount = 0;
|
|
Snp->Mode.ReceiveFilterSetting = 0;
|
|
ZeroMem (Snp->Mode.MCastFilter, sizeof Snp->Mode.MCastFilter);
|
|
CopyMem (
|
|
&Snp->Mode.CurrentAddress,
|
|
&Snp->Mode.PermanentAddress,
|
|
sizeof (EFI_MAC_ADDRESS)
|
|
);
|
|
|
|
gBS->CloseEvent (Snp->Snp.WaitForPacket);
|
|
|
|
ON_EXIT:
|
|
gBS->RestoreTPL (OldTpl);
|
|
|
|
return Status;
|
|
}
|