86 lines
2.3 KiB
C
86 lines
2.3 KiB
C
|
/*****************************************************************************
|
||
|
|
** **
|
||
|
|
** COPYRIGHT (C) 2000, 2001 MKNET CORPORATION **
|
||
|
|
** DEVELOPED FOR THE MK7100-BASED VFIR PCI CONTROLLER. **
|
||
|
|
** **
|
||
|
|
*****************************************************************************/
|
||
|
|
|
||
|
|
/**********************************************************************
|
||
|
|
|
||
|
|
Module Name:
|
||
|
|
UTIL.C
|
||
|
|
|
||
|
|
Routines:
|
||
|
|
GetPacketInfo
|
||
|
|
ProcReturnedRpd
|
||
|
|
|
||
|
|
Comments:
|
||
|
|
Various utilities to assist in operating in the NDIS env.
|
||
|
|
|
||
|
|
**********************************************************************/
|
||
|
|
|
||
|
|
|
||
|
|
#include "precomp.h"
|
||
|
|
//#include "protot.h"
|
||
|
|
#pragma hdrstop
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
// Procedure: [GetPacketInfo]
|
||
|
|
//
|
||
|
|
//-----------------------------------------------------------------------------
|
||
|
|
PNDIS_IRDA_PACKET_INFO GetPacketInfo(PNDIS_PACKET packet)
|
||
|
|
{
|
||
|
|
MEDIA_SPECIFIC_INFORMATION *mediaInfo;
|
||
|
|
UINT size;
|
||
|
|
NDIS_GET_PACKET_MEDIA_SPECIFIC_INFO(packet, &mediaInfo, &size);
|
||
|
|
return (PNDIS_IRDA_PACKET_INFO)mediaInfo->ClassInformation;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
//----------------------------------------------------------------------
|
||
|
|
// Procedure: [ProcReturnedRpd]
|
||
|
|
//
|
||
|
|
// Description: Process a RPD (previously indicated pkt) being returned
|
||
|
|
// to us from NDIS.
|
||
|
|
//
|
||
|
|
//----------------------------------------------------------------------
|
||
|
|
VOID ProcReturnedRpd(PMK7_ADAPTER Adapter, PRPD rpd)
|
||
|
|
{
|
||
|
|
NdisAdjustBufferLength(rpd->ReceiveBuffer, MK7_MAXIMUM_PACKET_SIZE);
|
||
|
|
|
||
|
|
//******************************
|
||
|
|
// If a RCB is waiting for a RPD, bind the RPD to the RCB-RRD
|
||
|
|
// and give the RCB-RRD to hw. Else, put the RPD on FreeRpdList.
|
||
|
|
//******************************
|
||
|
|
|
||
|
|
if (Adapter->rcbPendRpdCnt > 0) {
|
||
|
|
PRCB rcb;
|
||
|
|
|
||
|
|
rcb = Adapter->pRcbArray[Adapter->rcbPendRpdIdx];
|
||
|
|
rcb->rpd = rpd;
|
||
|
|
rcb->rrd->addr = rpd->databuffphys;
|
||
|
|
rcb->rrd->count = 0;
|
||
|
|
GrantRrdToHw(rcb->rrd);
|
||
|
|
|
||
|
|
Adapter->rcbPendRpdCnt--;
|
||
|
|
|
||
|
|
//****************************************
|
||
|
|
// If more RCBs waiting for RPDs then need to
|
||
|
|
// bump the index up, taking care of wrapping.
|
||
|
|
//****************************************
|
||
|
|
if (Adapter->rcbPendRpdCnt > 0) {
|
||
|
|
Adapter->rcbPendRpdIdx++;
|
||
|
|
Adapter->rcbPendRpdIdx %= Adapter->NumRcb;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
else {
|
||
|
|
QueuePutTail(&Adapter->FreeRpdList, &rpd->link);
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|