8a67d61da4
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3416 6f19259b-4bc3-4df7-8a09-765794883524
119 lines
2.6 KiB
C
119 lines
2.6 KiB
C
/** @file
|
|
Copyright (c) 2004 - 2007, Intel Corporation
|
|
All rights reserved. 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.
|
|
|
|
Module name:
|
|
stop.c
|
|
|
|
Abstract:
|
|
|
|
Revision history:
|
|
2000-Feb-09 M(f)J Genesis.
|
|
|
|
**/
|
|
|
|
#include "Snp.h"
|
|
|
|
|
|
/**
|
|
this routine calls undi to stop the interface and changes the snp state
|
|
|
|
@param snp pointer to snp driver structure
|
|
|
|
|
|
**/
|
|
EFI_STATUS
|
|
pxe_stop (
|
|
SNP_DRIVER *snp
|
|
)
|
|
{
|
|
snp->cdb.OpCode = PXE_OPCODE_STOP;
|
|
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->if_num;
|
|
snp->cdb.Control = PXE_CONTROL_LAST_CDB_IN_LIST;
|
|
|
|
//
|
|
// Issue UNDI command
|
|
//
|
|
DEBUG ((EFI_D_NET, "\nsnp->undi.stop() "));
|
|
|
|
(*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb);
|
|
|
|
if (snp->cdb.StatCode != PXE_STATCODE_SUCCESS) {
|
|
DEBUG (
|
|
(EFI_D_WARN,
|
|
"\nsnp->undi.stop() %xh:%xh\n",
|
|
snp->cdb.StatCode,
|
|
snp->cdb.StatFlags)
|
|
);
|
|
|
|
return EFI_DEVICE_ERROR;
|
|
}
|
|
//
|
|
// Set simple network state to Started and return success.
|
|
//
|
|
snp->mode.State = EfiSimpleNetworkStopped;
|
|
return EFI_SUCCESS;
|
|
}
|
|
|
|
|
|
/**
|
|
This is the SNP interface routine for stopping the interface.
|
|
This routine basically retrieves snp structure, checks the SNP state and
|
|
calls the pxe_stop routine to actually stop the undi interface
|
|
|
|
@param this context pointer
|
|
|
|
|
|
**/
|
|
EFI_STATUS
|
|
EFIAPI
|
|
snp_undi32_stop (
|
|
IN EFI_SIMPLE_NETWORK_PROTOCOL *this
|
|
)
|
|
{
|
|
SNP_DRIVER *snp;
|
|
EFI_TPL OldTpl;
|
|
EFI_STATUS Status;
|
|
|
|
if (this == NULL) {
|
|
return EFI_INVALID_PARAMETER;
|
|
}
|
|
|
|
snp = EFI_SIMPLE_NETWORK_DEV_FROM_THIS (this);
|
|
|
|
OldTpl = gBS->RaiseTPL (TPL_CALLBACK);
|
|
|
|
switch (snp->mode.State) {
|
|
case EfiSimpleNetworkStarted:
|
|
break;
|
|
|
|
case EfiSimpleNetworkStopped:
|
|
Status = EFI_NOT_STARTED;
|
|
goto ON_EXIT;
|
|
|
|
default:
|
|
Status = EFI_DEVICE_ERROR;
|
|
goto ON_EXIT;
|
|
}
|
|
|
|
Status = pxe_stop (snp);
|
|
|
|
ON_EXIT:
|
|
gBS->RestoreTPL (OldTpl);
|
|
|
|
return Status;
|
|
}
|