a0818cc106
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4727 6f19259b-4bc3-4df7-8a09-765794883524
149 lines
3.4 KiB
C
149 lines
3.4 KiB
C
/** @file
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Copyright (c) 2004 - 2007, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module name:
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shutdown.c
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Abstract:
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Revision history:
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2000-Feb-14 M(f)J Genesis.
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**/
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#include "Snp.h"
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/**
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this routine calls undi to shut down the interface.
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@param snp pointer to snp driver structure
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**/
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EFI_STATUS
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pxe_shutdown (
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IN SNP_DRIVER *snp
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)
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{
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snp->cdb.OpCode = PXE_OPCODE_SHUTDOWN;
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snp->cdb.OpFlags = PXE_OPFLAGS_NOT_USED;
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snp->cdb.CPBsize = PXE_CPBSIZE_NOT_USED;
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snp->cdb.DBsize = PXE_DBSIZE_NOT_USED;
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snp->cdb.CPBaddr = PXE_CPBADDR_NOT_USED;
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snp->cdb.DBaddr = PXE_DBADDR_NOT_USED;
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snp->cdb.StatCode = PXE_STATCODE_INITIALIZE;
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snp->cdb.StatFlags = PXE_STATFLAGS_INITIALIZE;
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snp->cdb.IFnum = snp->if_num;
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snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;
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//
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// Issue UNDI command and check result.
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//
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DEBUG ((EFI_D_NET, "\nsnp->undi.shutdown() "));
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(*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb);
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if (snp->cdb.StatCode != PXE_STATCODE_SUCCESS) {
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//
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// UNDI could not be shutdown. Return UNDI error.
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//
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DEBUG ((EFI_D_WARN, "\nsnp->undi.shutdown() %xh:%xh\n", snp->cdb.StatFlags, snp->cdb.StatCode));
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return EFI_DEVICE_ERROR;
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}
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//
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// Free allocated memory.
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//
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if (snp->tx_rx_buffer != NULL) {
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snp->IoFncs->FreeBuffer (
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snp->IoFncs,
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SNP_MEM_PAGES (snp->tx_rx_bufsize),
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(VOID *) snp->tx_rx_buffer
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);
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}
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snp->tx_rx_buffer = NULL;
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snp->tx_rx_bufsize = 0;
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return EFI_SUCCESS;
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}
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/**
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This is the SNP interface routine for shutting down the interface
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This routine basically retrieves snp structure, checks the SNP state and
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calls the pxe_shutdown routine to actually do the undi shutdown
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@param this context pointer
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**/
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EFI_STATUS
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EFIAPI
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snp_undi32_shutdown (
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IN EFI_SIMPLE_NETWORK_PROTOCOL *this
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)
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{
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SNP_DRIVER *snp;
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EFI_STATUS Status;
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EFI_TPL OldTpl;
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//
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//
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//
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if (this == NULL) {
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return EFI_INVALID_PARAMETER;
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}
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snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (this);
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OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
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//
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//
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//
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switch (snp->mode.State) {
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case EfiSimpleNetworkInitialized:
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break;
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case EfiSimpleNetworkStopped:
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Status = EFI_NOT_STARTED;
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goto ON_EXIT;
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default:
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Status = EFI_DEVICE_ERROR;
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goto ON_EXIT;
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}
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//
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//
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//
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Status = pxe_shutdown (snp);
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snp->mode.State = EfiSimpleNetworkStarted;
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snp->mode.ReceiveFilterSetting = 0;
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snp->mode.MCastFilterCount = 0;
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snp->mode.ReceiveFilterSetting = 0;
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ZeroMem (snp->mode.MCastFilter, sizeof snp->mode.MCastFilter);
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CopyMem (
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&snp->mode.CurrentAddress,
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&snp->mode.PermanentAddress,
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sizeof (EFI_MAC_ADDRESS)
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);
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gBS->CloseEvent (snp->snp.WaitForPacket);
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ON_EXIT:
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gBS->RestoreTPL (OldTpl);
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return Status;
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}
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