mirror of https://github.com/acidanthera/audk.git
rename
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@4732 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
vanjeff
parent
2735e5d04b
commit
1f4db48ddd
|
|
@ -0,0 +1,201 @@
|
|||
/** @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:
|
||||
statistics.c
|
||||
|
||||
Abstract:
|
||||
|
||||
Revision history:
|
||||
2000-Feb-17 M(f)J Genesis.
|
||||
|
||||
**/
|
||||
|
||||
|
||||
#include "Snp.h"
|
||||
|
||||
|
||||
/**
|
||||
This is the SNP interface routine for getting the NIC's statistics.
|
||||
This routine basically retrieves snp structure, checks the SNP state and
|
||||
calls the pxe_ routine to actually do the
|
||||
|
||||
@param this context pointer
|
||||
@param ResetFlag true to reset the NIC's statistics counters to zero.
|
||||
@param StatTableSizePtr pointer to the statistics table size
|
||||
@param StatTablePtr pointer to the statistics table
|
||||
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
snp_undi32_statistics (
|
||||
IN EFI_SIMPLE_NETWORK_PROTOCOL * this,
|
||||
IN BOOLEAN ResetFlag,
|
||||
IN OUT UINTN *StatTableSizePtr OPTIONAL,
|
||||
IN OUT EFI_NETWORK_STATISTICS * StatTablePtr OPTIONAL
|
||||
)
|
||||
{
|
||||
SNP_DRIVER *snp;
|
||||
PXE_DB_STATISTICS *db;
|
||||
UINT64 *stp;
|
||||
UINT64 mask;
|
||||
UINTN size;
|
||||
UINTN n;
|
||||
EFI_TPL OldTpl;
|
||||
EFI_STATUS Status;
|
||||
|
||||
//
|
||||
// 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;
|
||||
}
|
||||
//
|
||||
// if we are not resetting the counters, we have to have a valid stat table
|
||||
// with >0 size. if no reset, no table and no size, return success.
|
||||
//
|
||||
if (!ResetFlag && StatTableSizePtr == NULL) {
|
||||
Status = StatTablePtr ? EFI_INVALID_PARAMETER : EFI_SUCCESS;
|
||||
goto ON_EXIT;
|
||||
}
|
||||
//
|
||||
// Initialize UNDI Statistics CDB
|
||||
//
|
||||
snp->cdb.OpCode = PXE_OPCODE_STATISTICS;
|
||||
snp->cdb.CPBsize = PXE_CPBSIZE_NOT_USED;
|
||||
snp->cdb.CPBaddr = PXE_CPBADDR_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;
|
||||
|
||||
if (ResetFlag) {
|
||||
snp->cdb.OpFlags = PXE_OPFLAGS_STATISTICS_RESET;
|
||||
snp->cdb.DBsize = PXE_DBSIZE_NOT_USED;
|
||||
snp->cdb.DBaddr = PXE_DBADDR_NOT_USED;
|
||||
db = snp->db;
|
||||
} else {
|
||||
snp->cdb.OpFlags = PXE_OPFLAGS_STATISTICS_READ;
|
||||
snp->cdb.DBsize = sizeof (PXE_DB_STATISTICS);
|
||||
snp->cdb.DBaddr = (UINT64)(UINTN) (db = snp->db);
|
||||
}
|
||||
//
|
||||
// Issue UNDI command and check result.
|
||||
//
|
||||
DEBUG ((EFI_D_NET, "\nsnp->undi.statistics() "));
|
||||
|
||||
(*snp->issue_undi32_command) ((UINT64)(UINTN) &snp->cdb);
|
||||
|
||||
switch (snp->cdb.StatCode) {
|
||||
case PXE_STATCODE_SUCCESS:
|
||||
break;
|
||||
|
||||
case PXE_STATCODE_UNSUPPORTED:
|
||||
DEBUG (
|
||||
(EFI_D_ERROR,
|
||||
"\nsnp->undi.statistics() %xh:%xh\n",
|
||||
snp->cdb.StatFlags,
|
||||
snp->cdb.StatCode)
|
||||
);
|
||||
|
||||
Status = EFI_UNSUPPORTED;
|
||||
goto ON_EXIT;
|
||||
|
||||
default:
|
||||
DEBUG (
|
||||
(EFI_D_ERROR,
|
||||
"\nsnp->undi.statistics() %xh:%xh\n",
|
||||
snp->cdb.StatFlags,
|
||||
snp->cdb.StatCode)
|
||||
);
|
||||
|
||||
Status = EFI_DEVICE_ERROR;
|
||||
goto ON_EXIT;
|
||||
}
|
||||
|
||||
if (ResetFlag) {
|
||||
Status = EFI_SUCCESS;
|
||||
goto ON_EXIT;
|
||||
}
|
||||
|
||||
if (StatTablePtr == NULL) {
|
||||
*StatTableSizePtr = sizeof (EFI_NETWORK_STATISTICS);
|
||||
Status = EFI_BUFFER_TOO_SMALL;
|
||||
goto ON_EXIT;
|
||||
}
|
||||
//
|
||||
// Convert the UNDI statistics information to SNP statistics
|
||||
// information.
|
||||
//
|
||||
ZeroMem (StatTablePtr, *StatTableSizePtr);
|
||||
stp = (UINT64 *) StatTablePtr;
|
||||
size = 0;
|
||||
|
||||
for (n = 0, mask = 1; n < 64; n++, mask = LShiftU64 (mask, 1), stp++) {
|
||||
//
|
||||
// There must be room for a full UINT64. Partial
|
||||
// numbers will not be stored.
|
||||
//
|
||||
if ((n + 1) * sizeof (UINT64) > *StatTableSizePtr) {
|
||||
break;
|
||||
}
|
||||
|
||||
if (db->Supported & mask) {
|
||||
*stp = db->Data[n];
|
||||
size = n + 1;
|
||||
} else {
|
||||
SetMem (stp, sizeof (UINT64), 0xFF);
|
||||
}
|
||||
}
|
||||
//
|
||||
// Compute size up to last supported statistic.
|
||||
//
|
||||
while (++n < 64) {
|
||||
if (db->Supported & (mask = LShiftU64 (mask, 1))) {
|
||||
size = n;
|
||||
}
|
||||
}
|
||||
|
||||
size *= sizeof (UINT64);
|
||||
|
||||
if (*StatTableSizePtr >= size) {
|
||||
*StatTableSizePtr = size;
|
||||
Status = EFI_SUCCESS;
|
||||
} else {
|
||||
*StatTableSizePtr = size;
|
||||
Status = EFI_BUFFER_TOO_SMALL;
|
||||
}
|
||||
|
||||
ON_EXIT:
|
||||
gBS->RestoreTPL (OldTpl);
|
||||
|
||||
return Status;
|
||||
}
|
||||
Loading…
Reference in New Issue