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/*
************************************************************************
*
* REQUEST.c
*
* IRMINI Infrared Serial NDIS Miniport driver.
*
* (C) Copyright 1996 Microsoft Corp.
*
*
* (ep)
*
*************************************************************************
*/
#include "irmini.h"
/*
*************************************************************************
* MiniportQueryInformation
*************************************************************************
*
*
* MiniportQueryInformation queries the capabilities and status of the miniport driver.
*
*
*/
NDIS_STATUS MiniportQueryInformation (
IN NDIS_HANDLE MiniportAdapterContext,
IN NDIS_OID Oid,
IN PVOID InformationBuffer,
IN ULONG InformationBufferLength,
OUT PULONG BytesWritten,
OUT PULONG BytesNeeded
)
{
NDIS_STATUS result = NDIS_STATUS_SUCCESS;
IrDevice *thisDev = CONTEXT_TO_DEV(MiniportAdapterContext);
UINT i, speeds;
UINT *infoPtr;
if (InformationBufferLength >= sizeof(int)){
switch (Oid){
case OID_IRDA_RECEIVING:
DBGOUT(("MiniportQueryInformation(OID_IRDA_RECEIVING)"));
*(UINT *)InformationBuffer = (UINT)thisDev->nowReceiving;
*BytesWritten = sizeof(UINT);
*BytesNeeded = 0;
break;
case OID_IRDA_SUPPORTED_SPEEDS:
DBGOUT(("MiniportQueryInformation(OID_IRDA_SUPPORTED_SPEEDS)"));
speeds = thisDev->portInfo.hwCaps.supportedSpeedsMask & 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;
DBGOUT((" - supporting speed %d bps", supportedBaudRateTable[i].bitsPerSec));
}
}
if (speeds){
/*
* We ran out of room in InformationBuffer.
* Count the remaining number of bits set in speeds
* to figure out the number of remaining bytes needed.
*/
for (*BytesNeeded = 0; speeds; *BytesNeeded += sizeof(UINT)){
/*
* This instruction clears the lowest set bit in speeds.
* Trust me.
*/
speeds &= (speeds - 1);
}
result = NDIS_STATUS_INVALID_LENGTH;
}
else {
result = NDIS_STATUS_SUCCESS;
*BytesNeeded = 0;
}
break;
case OID_IRDA_LINK_SPEED:
DBGOUT(("MiniportQueryInformation(OID_IRDA_LINK_SPEED)"));
if (thisDev->linkSpeedInfo){
*(UINT *)InformationBuffer = thisDev->linkSpeedInfo->bitsPerSec;
}
else {
*(UINT *)InformationBuffer = DEFAULT_BAUD_RATE;
}
*BytesWritten = sizeof(UINT);
*BytesNeeded = 0;
break;
case OID_IRDA_MEDIA_BUSY:
DBGOUT(("MiniportQueryInformation(OID_IRDA_MEDIA_BUSY)"));
*(UINT *)InformationBuffer = (UINT)thisDev->mediaBusy;
*BytesWritten = sizeof(UINT);
*BytesNeeded = 0;
break;
case OID_GEN_MAXIMUM_LOOKAHEAD:
DBGOUT(("MiniportQueryInformation(OID_GEN_MAXIMUM_LOOKAHEAD)"));
*(UINT *)InformationBuffer = 256;
*BytesWritten = sizeof(UINT);
*BytesNeeded = 0;
break;
case OID_GEN_MAC_OPTIONS:
DBGOUT(("MiniportQueryInformation(OID_GEN_MAC_OPTIONS)"));
*(UINT *)InformationBuffer =
NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA |
NDIS_MAC_OPTION_TRANSFERS_NOT_PEND;
*BytesWritten = sizeof(UINT);
*BytesNeeded = 0;
break;
case OID_GEN_MAXIMUM_SEND_PACKETS:
DBGOUT(("MiniportQueryInformation(OID_GEN_MAXIMUM_SEND_PACKETS)"));
*(UINT *)InformationBuffer = 16;
*BytesWritten = sizeof(UINT);
*BytesNeeded = 0;
break;
case OID_IRDA_TURNAROUND_TIME:
/*
* Indicate that the tranceiver requires at least 5000us (5 millisec)
* to recuperate after a send.
*/
DBGOUT(("MiniportQueryInformation(OID_IRDA_TURNAROUND_TIME)"));
*(UINT *)InformationBuffer =
MAX(thisDev->portInfo.hwCaps.turnAroundTime_usec, 5000);
*BytesWritten = sizeof(UINT);
*BytesNeeded = 0;
break;
case OID_IRDA_EXTRA_RCV_BOFS:
/*
* 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.
*/
DBGOUT(("MiniportQueryInformation(OID_IRDA_EXTRA_RCV_BOFS)"));
*(UINT *)InformationBuffer = thisDev->portInfo.hwCaps.extraBOFsRequired;
*BytesWritten = sizeof(UINT);
*BytesNeeded = 0;
break;
case OID_IRDA_UNICAST_LIST:
case OID_IRDA_MAX_UNICAST_LIST_SIZE:
case OID_IRDA_RATE_SNIFF:
/*
* We don't support these
*/
default:
DBGERR(("MiniportQueryInformation(%d=0x%x), unsupported OID", Oid, Oid));
result = NDIS_STATUS_NOT_SUPPORTED;
break;
}
}
else {
*BytesNeeded = sizeof(UINT) - InformationBufferLength;
*BytesWritten = 0;
result = NDIS_STATUS_INVALID_LENGTH;
}
DBGOUT(("MiniportQueryInformation succeeded (info <- %d)", *(UINT *)InformationBuffer));
return result;
}
/*
*************************************************************************
* MiniportSetInformation
*************************************************************************
*
*
* MiniportSetInformation 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.
*
*
*/
NDIS_STATUS MiniportSetInformation (
IN NDIS_HANDLE MiniportAdapterContext,
IN NDIS_OID Oid,
IN PVOID InformationBuffer,
IN ULONG InformationBufferLength,
OUT PULONG BytesRead,
OUT PULONG BytesNeeded
)
{
NDIS_STATUS result = NDIS_STATUS_SUCCESS;
IrDevice *thisDev = CONTEXT_TO_DEV(MiniportAdapterContext);
int i;
if (InformationBufferLength >= sizeof(UINT)){
UINT info = *(UINT *)InformationBuffer;
*BytesRead = sizeof(UINT);
*BytesNeeded = 0;
switch (Oid){
case OID_IRDA_LINK_SPEED:
DBGOUT(("MiniportSetInformation(OID_IRDA_LINK_SPEED, %xh)", info));
result = NDIS_STATUS_INVALID_DATA;
for (i = 0; i < NUM_BAUDRATES; i++){
if (supportedBaudRateTable[i].bitsPerSec == info){
thisDev->linkSpeedInfo = &supportedBaudRateTable[i];
result = NDIS_STATUS_SUCCESS;
break;
}
}
if (result == NDIS_STATUS_SUCCESS){
if (!SetSpeed(thisDev)){
result = NDIS_STATUS_FAILURE;
}
}
else {
*BytesRead = 0;
*BytesNeeded = 0;
}
break;
case OID_IRDA_MEDIA_BUSY:
DBGOUT(("MiniportSetInformation(OID_IRDA_MEDIA_BUSY, %xh)", info));
/*
* The protocol can use this OID to reset the busy field
* in order to check it later for intervening activity.
*/
thisDev->mediaBusy = (BOOLEAN)info;
result = NDIS_STATUS_SUCCESS;
break;
/*
* We don't support these
*/
case OID_IRDA_RATE_SNIFF:
case OID_IRDA_UNICAST_LIST:
/*
* These are query-only parameters.
*/
case OID_IRDA_SUPPORTED_SPEEDS:
case OID_IRDA_MAX_UNICAST_LIST_SIZE:
case OID_IRDA_TURNAROUND_TIME:
default:
DBGERR(("MiniportSetInformation(OID=%d=0x%x, value=%xh) - unsupported OID", Oid, Oid, info));
*BytesRead = 0;
*BytesNeeded = 0;
result = NDIS_STATUS_NOT_SUPPORTED;
break;
}
}
else {
*BytesRead = 0;
*BytesNeeded = sizeof(UINT);
result = NDIS_STATUS_INVALID_LENGTH;
}
DBGOUT(("MiniportSetInformation succeeded"));
return result;
}
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