Source code of Windows XP (NT5)
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/*****************************************************************************
*
* Copyright (c) 1996-1999 Microsoft Corporation
*
* @doc
* @module request.c | IrSIR NDIS Miniport Driver
* @comm
*
*-----------------------------------------------------------------------------
*
* Author: Scott Holden (sholden)
*
* Date: 10/10/1996 (created)
*
* Contents: Query and set information handlers.
*
*****************************************************************************/
#include "irsir.h"
VOID
ClearMediaBusyCallback(
PIR_WORK_ITEM pWorkItem
);
VOID
QueryMediaBusyCallback(
PIR_WORK_ITEM pWorkItem
);
VOID
InitIrDeviceCallback(
PIR_WORK_ITEM pWorkItem
);
#pragma alloc_text(PAGE, ClearMediaBusyCallback)
#pragma alloc_text(PAGE, QueryMediaBusyCallback)
#pragma alloc_text(PAGE, InitIrDeviceCallback)
//
// These are the OIDs we support for querying.
//
UINT supportedOIDs[] =
{
//
// General required OIDs.
//
OID_GEN_SUPPORTED_LIST,
OID_GEN_HARDWARE_STATUS,
OID_GEN_MEDIA_SUPPORTED,
OID_GEN_MEDIA_IN_USE,
OID_GEN_MAXIMUM_LOOKAHEAD,
OID_GEN_MAXIMUM_FRAME_SIZE,
OID_GEN_LINK_SPEED,
OID_GEN_TRANSMIT_BUFFER_SPACE,
OID_GEN_RECEIVE_BUFFER_SPACE,
OID_GEN_TRANSMIT_BLOCK_SIZE,
OID_GEN_RECEIVE_BLOCK_SIZE,
OID_GEN_VENDOR_ID,
OID_GEN_VENDOR_DESCRIPTION,
OID_GEN_CURRENT_PACKET_FILTER,
OID_GEN_CURRENT_LOOKAHEAD,
OID_GEN_DRIVER_VERSION,
OID_GEN_MAXIMUM_TOTAL_SIZE,
OID_GEN_PROTOCOL_OPTIONS,
OID_GEN_MAC_OPTIONS,
OID_GEN_MEDIA_CONNECT_STATUS,
OID_GEN_MAXIMUM_SEND_PACKETS,
OID_GEN_VENDOR_DRIVER_VERSION,
//
// Required statistical OIDs.
//
OID_GEN_XMIT_OK,
OID_GEN_RCV_OK,
OID_GEN_XMIT_ERROR,
OID_GEN_RCV_ERROR,
OID_GEN_RCV_NO_BUFFER,
//
// Infrared-specific OIDs.
//
OID_IRDA_RECEIVING,
OID_IRDA_TURNAROUND_TIME,
OID_IRDA_SUPPORTED_SPEEDS,
OID_IRDA_LINK_SPEED,
OID_IRDA_MEDIA_BUSY,
OID_IRDA_EXTRA_RCV_BOFS
//
// Unsupported Infrared-specific OIDs.
//
// OID_IRDA_RATE_SNIFF,
// OID_IRDA_UNICAST_LIST,
// OID_IRDA_MAX_UNICAST_LIST_SIZE
//
#if 1
,OID_PNP_CAPABILITIES,
OID_PNP_SET_POWER,
OID_PNP_QUERY_POWER,
OID_PNP_ENABLE_WAKE_UP
#endif
};
VOID
ClearMediaBusyCallback(PIR_WORK_ITEM pWorkItem)
{
PIR_DEVICE pThisDev = pWorkItem->pIrDevice;
NDIS_STATUS status;
BOOLEAN fSwitchSuccessful;
NDIS_HANDLE hSwitchToMiniport;
SERIALPERF_STATS PerfStats;
//DBGTIME("CLEAR_MEDIA_BUSY");
DEBUGMSG(DBG_STAT, (" primPassive = PASSIVE_CLEAR_MEDIA_BUSY\n"));
status = (NDIS_STATUS) SerialClearStats(pThisDev->pSerialDevObj);
if (status != NDIS_STATUS_SUCCESS)
{
DEBUGMSG(DBG_ERROR, (" SerialClearStats failed = 0x%.8x\n", status));
}
{
NdisMSetInformationComplete(pThisDev->hNdisAdapter,
(NDIS_STATUS)status);
}
FreeWorkItem(pWorkItem);
return;
}
VOID
QueryMediaBusyCallback(PIR_WORK_ITEM pWorkItem)
{
PIR_DEVICE pThisDev = pWorkItem->pIrDevice;
NDIS_STATUS status;
BOOLEAN fSwitchSuccessful;
NDIS_HANDLE hSwitchToMiniport;
SERIALPERF_STATS PerfStats;
ASSERT(pWorkItem->InfoBuf != NULL);
ASSERT(pWorkItem->InfoBufLen >= sizeof(UINT));
if (pThisDev->pSerialDevObj)
{
status = (NDIS_STATUS) SerialGetStats(pThisDev->pSerialDevObj, &PerfStats);
}
else
{
PerfStats.ReceivedCount = 1; // Fake media busy
status = NDIS_STATUS_SUCCESS;
}
if (status == NDIS_STATUS_SUCCESS)
{
if (PerfStats.ReceivedCount > 0 ||
PerfStats.FrameErrorCount > 0 ||
PerfStats.SerialOverrunErrorCount > 0 ||
PerfStats.BufferOverrunErrorCount > 0 ||
PerfStats.ParityErrorCount > 0)
{
DBGTIME("QUERY_MEDIA_BUSY:TRUE");
pThisDev->fMediaBusy = TRUE;
}
else
{
DBGTIME("QUERY_MEDIA_BUSY:FALSE");
}
}
else
{
DEBUGMSG(DBG_ERROR, (" SerialGetStats failed = 0x%.8x\n", status));
}
*(UINT *)pWorkItem->InfoBuf = (UINT)pThisDev->fMediaBusy;
pWorkItem->InfoBufLen = sizeof(UINT);
{
NdisMQueryInformationComplete(pThisDev->hNdisAdapter,
(NDIS_STATUS)status);
}
FreeWorkItem(pWorkItem);
return;
}
VOID
InitIrDeviceCallback(PIR_WORK_ITEM pWorkItem)
{
PIR_DEVICE pThisDev = pWorkItem->pIrDevice;
NDIS_STATUS status = NDIS_STATUS_SUCCESS;
BOOLEAN fSwitchSuccessful;
NDIS_HANDLE hSwitchToMiniport;
DEBUGMSG(DBG_FUNC, ("+InitIrDeviceCallback\n"));
(void)ResetIrDevice(pThisDev);
{
NdisMQueryInformationComplete(pThisDev->hNdisAdapter,
(NDIS_STATUS)status);
}
FreeWorkItem(pWorkItem);
DEBUGMSG(DBG_FUNC, ("-InitIrDeviceCallback\n"));
return;
}
/*****************************************************************************
*
* Function: IrsirQueryInformation
*
* Synopsis: Queries the capabilities and status of the miniport driver.
*
* Arguments: MiniportAdapterContext - miniport context area (PIR_DEVICE)
* Oid - system defined OID_Xxx
* InformationBuffer - where to return Oid specific info
* InformationBufferLength - specifies size of InformationBuffer
* BytesWritten - bytes written to InformationBuffer
* BytesNeeded - addition bytes required if
* InformationBufferLength is less than
* what the Oid requires to write
*
* Returns: NDIS_STATUS_SUCCESS - success
* NDIS_STATUS_PENDING - will complete asynchronously and
* call NdisMQueryInformationComplete
* NDIS_STATUS_INVALID_OID - don't recognize the Oid
* NDIS_STATUS_INVALID_LENGTH- InformationBufferLength does not
* match length for the Oid
* NDIS_STATUS_NOT_ACCEPTED - failure
* NDIS_STATUS_NOT_SUPPORTED - do not support an optional Oid
* NDIS_STATUS_RESOURCES - failed allocation of resources
*
* Algorithm:
*
* History: dd-mm-yyyy Author Comment
* 10/1/1996 sholden author
*
* Notes:
* Supported OIDs:
* OID_GEN_MAXIMUM_LOOKAHEAD
* - indicate the number of bytes of look ahead data the NIC can
* provide
* OID_GEN_MAC_OPTIONS
* - indicate which NDIS_MAC_OPTION_Xxx the NIC supports
* OID_GEN_MAXIMUM_SEND_PACKETS
* OID_IRDA_RECEIVING
* OID_IRDA_SUPPORTED_SPEEDS
* OID_IRDA_LINK_SPEED
* OID_IRDA_MEDIA_BUSY
* OID_IRDA_TURNAROUND_TIME
* OID_IRDA_EXTRA_RCV_BOFS
*
* Unsupported OIDs:
* OID_IRDA_UNICAST_LIST
* OID_IRDA_MAX_UNICAST_LIST_SIZE
* OID_IRDA_RATE_SNIFF
*
*****************************************************************************/
NDIS_STATUS
IrsirQueryInformation(
IN NDIS_HANDLE MiniportAdapterContext,
IN NDIS_OID Oid,
IN PVOID InformationBuffer,
IN ULONG InformationBufferLength,
OUT PULONG BytesWritten,
OUT PULONG BytesNeeded
)
{
PIR_DEVICE pThisDev;
NDIS_STATUS status;
UINT speeds;
UINT i;
UINT infoSizeNeeded;
UINT *infoPtr;
PIR_WORK_ITEM pWorkItem = NULL;
ULONG OidCategory = Oid & 0xFF000000;
static char vendorDesc[] = "Serial Infrared (COM) Port";
DEBUGMSG(DBG_FUNC, ("+IrsirQueryInformation\n"));
pThisDev = CONTEXT_TO_DEV(MiniportAdapterContext);
status = NDIS_STATUS_SUCCESS;
//
// Figure out buffer size needed.
// Most OIDs just return a single UINT, but there are exceptions.
//
switch (Oid)
{
case OID_GEN_SUPPORTED_LIST:
infoSizeNeeded = sizeof(supportedOIDs);
break;
case OID_GEN_DRIVER_VERSION:
infoSizeNeeded = sizeof(USHORT);
break;
case OID_GEN_VENDOR_DESCRIPTION:
infoSizeNeeded = sizeof(vendorDesc);
break;
case OID_IRDA_SUPPORTED_SPEEDS:
speeds = pThisDev->dongleCaps.supportedSpeedsMask &
ALL_SLOW_IRDA_SPEEDS;
for (infoSizeNeeded = 0; speeds; infoSizeNeeded += sizeof(UINT))
{
//
// This instruction clears the lowest set bit in speeds.
// Trust me.
//
speeds &= (speeds - 1);
}
break;
default:
infoSizeNeeded = sizeof(UINT);
break;
}
//
// If the protocol provided a large enough buffer, we can go ahead
// and complete the query.
//
if (InformationBufferLength >= infoSizeNeeded)
{
//
// Set default results.
//
*BytesWritten = infoSizeNeeded;
*BytesNeeded = 0;
switch (Oid)
{
//
// Generic OIDs.
//
case OID_GEN_SUPPORTED_LIST:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_SUPPORTED_LIST)\n"));
NdisMoveMemory(
InformationBuffer,
(PVOID)supportedOIDs,
sizeof(supportedOIDs)
);
break;
case OID_GEN_HARDWARE_STATUS:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_HARDWARE_STATUS)\n"));
//
// If we can be called with a context, then we are
// initialized and ready.
//
*(UINT *)InformationBuffer = NdisHardwareStatusReady;
break;
case OID_GEN_MEDIA_SUPPORTED:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_MEDIA_SUPPORTED)\n"));
*(UINT *)InformationBuffer = NdisMediumIrda;
break;
case OID_GEN_MEDIA_IN_USE:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_MEDIA_IN_USE)\n"));
*(UINT *)InformationBuffer = NdisMediumIrda;
break;
case OID_GEN_MAXIMUM_LOOKAHEAD:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_MAXIMUM_LOOKAHEAD)\n"));
*(UINT *)InformationBuffer = 256;
break;
case OID_GEN_MAXIMUM_FRAME_SIZE:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_MAXIMUM_FRAME_SIZE)\n"));
*(UINT *)InformationBuffer = MAX_NDIS_DATA_SIZE;
break;
case OID_GEN_LINK_SPEED:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_LINK_SPEED)\n"));
//
// Return MAXIMUM POSSIBLE speed for this device in units
// of 100 bits/sec.
//
*(UINT *)InformationBuffer = 115200/100;
break;
case OID_GEN_TRANSMIT_BUFFER_SPACE:
case OID_GEN_RECEIVE_BUFFER_SPACE:
case OID_GEN_TRANSMIT_BLOCK_SIZE:
case OID_GEN_RECEIVE_BLOCK_SIZE:
*(UINT *)InformationBuffer = MAX_I_DATA_SIZE;
break;
case OID_GEN_VENDOR_ID:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_VENDOR_ID)\n"));
*(UINT *)InformationBuffer = 0x00ffffff;
break;
case OID_GEN_VENDOR_DESCRIPTION:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_VENDOR_DESCRIPTION)\n"));
NdisMoveMemory(
InformationBuffer,
(PVOID)vendorDesc,
sizeof(vendorDesc)
);
break;
case OID_GEN_CURRENT_PACKET_FILTER:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_CURRENT_PACKET_FILTER)\n"));
*(UINT *)InformationBuffer = NDIS_PACKET_TYPE_PROMISCUOUS;
break;
case OID_GEN_CURRENT_LOOKAHEAD:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_CURRENT_LOOKAHEAD)\n"));
*(UINT *)InformationBuffer = 256;
break;
case OID_GEN_DRIVER_VERSION:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_DRIVER_VERSION)\n"));
*(USHORT *)InformationBuffer = ((IRSIR_MAJOR_VERSION << 8) |
IRSIR_MINOR_VERSION);
break;
case OID_GEN_MAXIMUM_TOTAL_SIZE:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_MAXIMUM_TOTAL_SIZE)\n"));
*(UINT *)InformationBuffer = MAX_NDIS_DATA_SIZE;
break;
case OID_GEN_PROTOCOL_OPTIONS:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_PROTOCOL_OPTIONS)\n"));
DEBUGMSG(DBG_ERROR, ("This is a set-only OID\n"));
*BytesWritten = 0;
status = NDIS_STATUS_NOT_SUPPORTED;
break;
case OID_GEN_MAC_OPTIONS:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_MAC_OPTIONS)\n"));
*(UINT *)InformationBuffer =
NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA |
NDIS_MAC_OPTION_TRANSFERS_NOT_PEND;
break;
case OID_GEN_MEDIA_CONNECT_STATUS:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_MEDIA_CONNECT_STATUS)\n"));
//
// Since we are not physically connected to a LAN, we
// cannot determine whether or not we are connected;
// so always indicate that we are.
//
*(UINT *)InformationBuffer = NdisMediaStateConnected;
break;
case OID_GEN_MAXIMUM_SEND_PACKETS:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_MAXIMUM_SEND_PACKETS)\n"));
*(UINT *)InformationBuffer = 16;
break;
case OID_GEN_VENDOR_DRIVER_VERSION:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_VENDOR_DRIVER_VERSION)\n"));
*(UINT *)InformationBuffer =
((IRSIR_MAJOR_VERSION << 16) |
IRSIR_MINOR_VERSION);
break;
//
// Required statistical OIDs.
//
case OID_GEN_XMIT_OK:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_XMIT_OK)\n"));
*(UINT *)InformationBuffer =
(UINT)pThisDev->packetsSent;
break;
case OID_GEN_RCV_OK:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_RCV_OK)\n"));
*(UINT *)InformationBuffer =
(UINT)pThisDev->packetsReceived;
break;
case OID_GEN_XMIT_ERROR:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_XMIT_ERROR)\n"));
*(UINT *)InformationBuffer =
(UINT)pThisDev->packetsSentDropped;
break;
case OID_GEN_RCV_ERROR:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_RCV_ERROR)\n"));
*(UINT *)InformationBuffer =
(UINT)pThisDev->packetsReceivedDropped;
break;
case OID_GEN_RCV_NO_BUFFER:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_GEN_RCV_NO_BUFFER)\n"));
*(UINT *)InformationBuffer =
(UINT)pThisDev->packetsReceivedOverflow;
break;
//
// Infrared OIDs.
//
case OID_IRDA_RECEIVING:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_IRDA_RECEIVING)\n"));
*(UINT *)InformationBuffer = (UINT)pThisDev->fReceiving;
break;
case OID_IRDA_TURNAROUND_TIME:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_IRDA_TURNAROUND_TIME)\n"));
//
// Indicate that the tranceiver requires at least 5000us
// (5 millisec) to recuperate after a send.
//
*(UINT *)InformationBuffer =
pThisDev->dongleCaps.turnAroundTime_usec;
break;
case OID_IRDA_SUPPORTED_SPEEDS:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_IRDA_SUPPORTED_SPEEDS)\n"));
if (!pThisDev->pSerialDevObj)
{
(void)pThisDev->dongle.QueryCaps(&pThisDev->dongleCaps);
}
speeds = pThisDev->dongleCaps.supportedSpeedsMask &
pThisDev->AllowedSpeedsMask &
ALL_SLOW_IRDA_SPEEDS;
*BytesWritten = 0;
for (i = 0, infoPtr = (PUINT)InformationBuffer;
(i < NUM_BAUDRATES) &&
speeds &&
(InformationBufferLength >= sizeof(UINT));
i++)
{
if (supportedBaudRateTable[i].ndisCode & speeds)
{
*infoPtr++ = supportedBaudRateTable[i].bitsPerSec;
InformationBufferLength -= sizeof(UINT);
*BytesWritten += sizeof(UINT);
speeds &= ~supportedBaudRateTable[i].ndisCode;
DEBUGMSG(DBG_OUT, (" - supporting speed %d bps\n", supportedBaudRateTable[i].bitsPerSec));
}
}
if (speeds)
{
//
// This shouldn't happen, since we checked the
// InformationBuffer size earlier.
//
DEBUGMSG(DBG_ERROR, ("Something's wrong; previous check for buf size failed somehow\n"));
for (*BytesNeeded = 0; speeds; *BytesNeeded += sizeof(UINT))
{
//
// This instruction clears the lowest set bit in speeds.
// Trust me.
//
speeds &= (speeds - 1);
}
status = NDIS_STATUS_INVALID_LENGTH;
}
else
{
status = NDIS_STATUS_SUCCESS;
}
break;
case OID_IRDA_LINK_SPEED:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_IRDA_LINK_SPEED)\n"));
if (pThisDev->linkSpeedInfo)
{
*(UINT *)InformationBuffer =
pThisDev->linkSpeedInfo->bitsPerSec;
}
else {
*(UINT *)InformationBuffer = DEFAULT_BAUD_RATE;
}
break;
case OID_IRDA_MEDIA_BUSY:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_IRDA_MEDIA_BUSY)\n"));
//
// If any data has been received, fMediaBusy = TRUE. However,
// even if fMediaBusy = FALSE, the media may be busy. We need
// to query the serial device object's performance statistics
// to see if there are any overrun or framing errors.
//
//
// NOTE: The serial device object's performance stats are
// cleared when the protocol set fMediaBusy to
// FALSE.
//
*(UINT *)InformationBuffer = pThisDev->fMediaBusy;
if (pThisDev->fMediaBusy == FALSE)
{
if (ScheduleWorkItem(PASSIVE_QUERY_MEDIA_BUSY, pThisDev,
QueryMediaBusyCallback, InformationBuffer,
InformationBufferLength) != NDIS_STATUS_SUCCESS)
{
status = NDIS_STATUS_SUCCESS;
}
else
{
status = NDIS_STATUS_PENDING;
}
}
else
{
*(UINT *)InformationBuffer = (UINT)pThisDev->fMediaBusy;
status = NDIS_STATUS_SUCCESS;
}
break;
case OID_IRDA_EXTRA_RCV_BOFS:
DEBUGMSG(DBG_OUT, (" IrsirQueryInformation(OID_IRDA_EXTRA_RCV_BOFS)\n"));
//
// Pass back the number of _extra_ BOFs to be prepended
// to packets sent to this unit at 115.2 baud, the
// maximum Slow IR speed. This will be scaled for other
// speed according to the table in the
// 'Infrared Extensions to NDIS' spec.
//
*(UINT *)InformationBuffer =
pThisDev->dongleCaps.extraBOFsRequired;
break;
case OID_IRDA_MAX_RECEIVE_WINDOW_SIZE:
*(PUINT)InformationBuffer = MAX_RX_PACKETS;
break;
case OID_IRDA_MAX_SEND_WINDOW_SIZE:
*(PUINT)InformationBuffer = MAX_TX_PACKETS;
break;
//
// We don't support these
//
case OID_IRDA_RATE_SNIFF:
DEBUGMSG(DBG_WARN, (" IrsirQueryInformation(OID_IRDA_RATE_SNIFF) - UNSUPPORTED\n"));
status = NDIS_STATUS_NOT_SUPPORTED;
break;
case OID_IRDA_UNICAST_LIST:
DEBUGMSG(DBG_WARN, (" IrsirQueryInformation(OID_IRDA_UNICAST_LIST) - UNSUPPORTED\n"));
status = NDIS_STATUS_NOT_SUPPORTED;
break;
case OID_IRDA_MAX_UNICAST_LIST_SIZE:
DEBUGMSG(DBG_WARN, (" IrsirQueryInformation(OID_IRDA_MAX_UNICAST_LIST_SIZE) - UNSUPPORTED\n"));
status = NDIS_STATUS_NOT_SUPPORTED;
break;
// PNP OIDs
case OID_PNP_CAPABILITIES:
case OID_PNP_ENABLE_WAKE_UP:
case OID_PNP_SET_POWER:
case OID_PNP_QUERY_POWER:
DEBUGMSG(DBG_WARN, ("IRSIR: PNP OID %x BufLen:%d\n", Oid, InformationBufferLength));
break;
default:
DEBUGMSG(DBG_WARN, (" IrsirQueryInformation(%d=0x%x), invalid OID\n", Oid, Oid));
status = NDIS_STATUS_INVALID_OID;
break;
}
}
else
{
*BytesNeeded = infoSizeNeeded - InformationBufferLength;
*BytesWritten = 0;
status = NDIS_STATUS_INVALID_LENGTH;
}
DEBUGMSG(DBG_FUNC, ("-IrsirQueryInformation\n"));
return status;
}
/*****************************************************************************
*
* Function: IrsirSetInformation
*
* Synopsis: IrsirSetInformation allows other layers of the network software
* (e.g., a transport driver) to control the miniport driver
* by changing information that the miniport driver maintains
* in its OIDs, such as the packet filters or multicast addresses.
*
* Arguments: MiniportAdapterContext - miniport context area (PIR_DEVICE)
* Oid - system defined OID_Xxx
* InformationBuffer - buffer containing data for the set Oid
* InformationBufferLength - specifies size of InformationBuffer
* BytesRead - bytes read from InformationBuffer
* BytesNeeded - addition bytes required if
* InformationBufferLength is less than
* what the Oid requires to read
*
* Returns: NDIS_STATUS_SUCCESS - success
* NDIS_STATUS_PENDING - will complete asynchronously and
* call NdisMSetInformationComplete
* NDIS_STATUS_INVALID_OID - don't recognize the Oid
* NDIS_STATUS_INVALID_LENGTH- InformationBufferLength does not
* match length for the Oid
* NDIS_STATUS_INVALID_DATA - supplied data was invalid for the
* given Oid
* NDIS_STATUS_NOT_ACCEPTED - failure
* NDIS_STATUS_NOT_SUPPORTED - do not support an optional Oid
* NDIS_STATUS_RESOURCES - failed allocation of resources
*
* Algorithm:
*
* History: dd-mm-yyyy Author Comment
* 10/1/1996 sholden author
*
* Notes:
*
*
*****************************************************************************/
NDIS_STATUS
IrsirSetInformation(
IN NDIS_HANDLE MiniportAdapterContext,
IN NDIS_OID Oid,
IN PVOID InformationBuffer,
IN ULONG InformationBufferLength,
OUT PULONG BytesRead,
OUT PULONG BytesNeeded
)
{
NDIS_STATUS status;
PIR_DEVICE pThisDev;
SERIALPERF_STATS PerfStats;
int i;
DEBUGMSG(DBG_FUNC, ("+IrsirSetInformation\n"));
status = NDIS_STATUS_SUCCESS;
pThisDev = CONTEXT_TO_DEV(MiniportAdapterContext);
if (InformationBufferLength >= sizeof(UINT))
{
//
// Set default results.
//
UINT info = *(UINT *)InformationBuffer;
*BytesRead = sizeof(UINT);
*BytesNeeded = 0;
switch (Oid)
{
//
// Generic OIDs.
//
case OID_GEN_CURRENT_PACKET_FILTER:
DEBUGMSG(DBG_OUT, (" IrsirSetInformation(OID_GEN_CURRENT_PACKET_FILTER, %xh)\n", info));
//
// We ignore the packet filter itself.
//
// Note: The protocol may use a NULL filter, in which case
// we will not get this OID; so don't wait on
// OID_GEN_CURRENT_PACKET_FILTER to start receiving
// frames.
//
pThisDev->fGotFilterIndication = TRUE;
break;
case OID_GEN_CURRENT_LOOKAHEAD:
DEBUGMSG(DBG_OUT, (" IrsirSetInformation(OID_GEN_CURRENT_LOOKAHEAD, %xh)\n", info));
//
// We always indicate entire receive frames all at once,
// so just ignore this.
//
break;
case OID_GEN_PROTOCOL_OPTIONS:
DEBUGMSG(DBG_OUT, (" IrsirSetInformation(OID_GEN_PROTOCOL_OPTIONS, %xh)\n", info));
//
// Ignore.
//
break;
//
// Infrared OIDs.
//
case OID_IRDA_LINK_SPEED:
DEBUGMSG(DBG_OUT, (" IrsirSetInformation(OID_IRDA_LINK_SPEED, %xh)\n", info));
if (pThisDev->currentSpeed == info)
{
//
// We are already set to the requested speed.
//
status = NDIS_STATUS_SUCCESS;
DEBUGMSG(DBG_OUT, (" Link speed already set.\n"));
break;
}
status = NDIS_STATUS_INVALID_DATA;
for (i = 0; i < NUM_BAUDRATES; i++)
{
if (supportedBaudRateTable[i].bitsPerSec == info)
{
//
// Keep a pointer to the link speed which has
// been requested.
//
pThisDev->linkSpeedInfo = &supportedBaudRateTable[i];
status = NDIS_STATUS_SUCCESS;
break;
}
}
if (status == NDIS_STATUS_SUCCESS)
{
DEBUGMSG(DBG_OUT, (" Link speed set pending!\n"));
//
// The requested speed is supported.
//
if (pThisDev->pSerialDevObj==NULL)
{
pThisDev->currentSpeed = info;
status = NDIS_STATUS_SUCCESS;
break;
}
//
// Set fPendingSetSpeed = TRUE.
//
// The receive completion/timeout routine checks the
// fPendingSetSpeed flag, waits for all sends to complete
// and then performs the SetSpeed.
//
pThisDev->fPendingSetSpeed = TRUE;
#if IRSIR_EVENT_DRIVEN
if (ScheduleWorkItem(PASSIVE_SET_SPEED, pThisDev,
SetSpeedCallback, NULL, 0) != NDIS_STATUS_SUCCESS)
{
status = NDIS_STATUS_SUCCESS;
}
else
{
status = NDIS_STATUS_PENDING;
}
#else
//
// We always return STATUS_PENDING to NDIS.
//
// After the SetSpeed is complete, the receive completion
// routine will call NdisMIndicateSetComplete.
//
status = NDIS_STATUS_PENDING;
#endif
}
else
{
//
// status = NDIS_STATUS_INVALID_DATA
//
DEBUGMSG(DBG_OUT, (" Invalid link speed\n"));
*BytesRead = 0;
*BytesNeeded = 0;
}
break;
case OID_IRDA_MEDIA_BUSY:
DEBUGMSG(DBG_OUT, (" IrsirSetInformation(OID_IRDA_MEDIA_BUSY, %xh)\n", info));
pThisDev->fMediaBusy = (BOOLEAN)info;
if (pThisDev->pSerialDevObj==NULL ||
ScheduleWorkItem(PASSIVE_CLEAR_MEDIA_BUSY,
pThisDev, ClearMediaBusyCallback, NULL, 0)!=NDIS_STATUS_SUCCESS)
{
status = NDIS_STATUS_SUCCESS;
}
else
{
status = NDIS_STATUS_PENDING;
}
break;
case OID_PNP_CAPABILITIES:
case OID_PNP_ENABLE_WAKE_UP:
case OID_PNP_SET_POWER:
case OID_PNP_QUERY_POWER:
DEBUGMSG(DBG_WARN, ("IRSIR: PNP OID %x BufLen:%d\n", Oid, InformationBufferLength));
break;
case OID_IRDA_RATE_SNIFF:
case OID_IRDA_UNICAST_LIST:
//
// We don't support these
//
DEBUGMSG(DBG_ERROR, (" IrsirSetInformation(OID=%d=0x%x, value=%xh) - unsupported OID\n", Oid, Oid, info));
*BytesRead = 0;
*BytesNeeded = 0;
status = NDIS_STATUS_NOT_SUPPORTED;
break;
case OID_IRDA_SUPPORTED_SPEEDS:
case OID_IRDA_MAX_UNICAST_LIST_SIZE:
case OID_IRDA_TURNAROUND_TIME:
//
// These are query-only parameters (invalid).
//
default:
DEBUGMSG(DBG_ERROR, (" IrsirSetInformation(OID=%d=0x%x, value=%xh) - invalid OID\n", Oid, Oid, info));
*BytesRead = 0;
*BytesNeeded = 0;
status = NDIS_STATUS_INVALID_OID;
break;
}
}
else
{
//
// The given data buffer is not large enough for the information
// to set.
//
*BytesRead = 0;
*BytesNeeded = sizeof(UINT);
status = NDIS_STATUS_INVALID_LENGTH;
}
DEBUGMSG(DBG_FUNC, ("-IrsirSetInformation\n"));
return status;
}