📄 device.cpp
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/********************************************************************************
*
* $Id: device.cpp,v 1.2 2007/07/10 04:17:51 bill Exp $
*
* File: Device.cpp
*
* Copyright (c) 2000-2002 Davicom Inc. All rights reserved.
*
********************************************************************************/
#include "device.h"
/********************************************************************************
*
* CRC32 Routine
*
* This routine calculates the CRC based on the following polynominal
* x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x+1
*
* About the CRC value of one EEPROM
*
* eeprom<126-127> = CRC value = (U16)crc32(eeprom<0..125>);
*
*
*
*******************************************************************************/
#if LEGAL_PATENT
U32 g_szCRCTable[256] = {
0x00000000L, 0x77073096L, 0xEE0E612CL, 0x990951BAL,
0x076DC419L, 0x706AF48FL, 0xE963A535L, 0x9E6495A3L,
0x0EDB8832L, 0x79DCB8A4L, 0xE0D5E91EL, 0x97D2D988L,
0x09B64C2BL, 0x7EB17CBDL, 0xE7B82D07L, 0x90BF1D91L,
0x1DB71064L, 0x6AB020F2L, 0xF3B97148L, 0x84BE41DEL,
0x1ADAD47DL, 0x6DDDE4EBL, 0xF4D4B551L, 0x83D385C7L,
0x136C9856L, 0x646BA8C0L, 0xFD62F97AL, 0x8A65C9ECL,
0x14015C4FL, 0x63066CD9L, 0xFA0F3D63L, 0x8D080DF5L,
0x3B6E20C8L, 0x4C69105EL, 0xD56041E4L, 0xA2677172L,
0x3C03E4D1L, 0x4B04D447L, 0xD20D85FDL, 0xA50AB56BL,
0x35B5A8FAL, 0x42B2986CL, 0xDBBBC9D6L, 0xACBCF940L,
0x32D86CE3L, 0x45DF5C75L, 0xDCD60DCFL, 0xABD13D59L,
0x26D930ACL, 0x51DE003AL, 0xC8D75180L, 0xBFD06116L,
0x21B4F4B5L, 0x56B3C423L, 0xCFBA9599L, 0xB8BDA50FL,
0x2802B89EL, 0x5F058808L, 0xC60CD9B2L, 0xB10BE924L,
0x2F6F7C87L, 0x58684C11L, 0xC1611DABL, 0xB6662D3DL,
0x76DC4190L, 0x01DB7106L, 0x98D220BCL, 0xEFD5102AL,
0x71B18589L, 0x06B6B51FL, 0x9FBFE4A5L, 0xE8B8D433L,
0x7807C9A2L, 0x0F00F934L, 0x9609A88EL, 0xE10E9818L,
0x7F6A0DBBL, 0x086D3D2DL, 0x91646C97L, 0xE6635C01L,
0x6B6B51F4L, 0x1C6C6162L, 0x856530D8L, 0xF262004EL,
0x6C0695EDL, 0x1B01A57BL, 0x8208F4C1L, 0xF50FC457L,
0x65B0D9C6L, 0x12B7E950L, 0x8BBEB8EAL, 0xFCB9887CL,
0x62DD1DDFL, 0x15DA2D49L, 0x8CD37CF3L, 0xFBD44C65L,
0x4DB26158L, 0x3AB551CEL, 0xA3BC0074L, 0xD4BB30E2L,
0x4ADFA541L, 0x3DD895D7L, 0xA4D1C46DL, 0xD3D6F4FBL,
0x4369E96AL, 0x346ED9FCL, 0xAD678846L, 0xDA60B8D0L,
0x44042D73L, 0x33031DE5L, 0xAA0A4C5FL, 0xDD0D7CC9L,
0x5005713CL, 0x270241AAL, 0xBE0B1010L, 0xC90C2086L,
0x5768B525L, 0x206F85B3L, 0xB966D409L, 0xCE61E49FL,
0x5EDEF90EL, 0x29D9C998L, 0xB0D09822L, 0xC7D7A8B4L,
0x59B33D17L, 0x2EB40D81L, 0xB7BD5C3BL, 0xC0BA6CADL,
0xEDB88320L, 0x9ABFB3B6L, 0x03B6E20CL, 0x74B1D29AL,
0xEAD54739L, 0x9DD277AFL, 0x04DB2615L, 0x73DC1683L,
0xE3630B12L, 0x94643B84L, 0x0D6D6A3EL, 0x7A6A5AA8L,
0xE40ECF0BL, 0x9309FF9DL, 0x0A00AE27L, 0x7D079EB1L,
0xF00F9344L, 0x8708A3D2L, 0x1E01F268L, 0x6906C2FEL,
0xF762575DL, 0x806567CBL, 0x196C3671L, 0x6E6B06E7L,
0xFED41B76L, 0x89D32BE0L, 0x10DA7A5AL, 0x67DD4ACCL,
0xF9B9DF6FL, 0x8EBEEFF9L, 0x17B7BE43L, 0x60B08ED5L,
0xD6D6A3E8L, 0xA1D1937EL, 0x38D8C2C4L, 0x4FDFF252L,
0xD1BB67F1L, 0xA6BC5767L, 0x3FB506DDL, 0x48B2364BL,
0xD80D2BDAL, 0xAF0A1B4CL, 0x36034AF6L, 0x41047A60L,
0xDF60EFC3L, 0xA867DF55L, 0x316E8EEFL, 0x4669BE79L,
0xCB61B38CL, 0xBC66831AL, 0x256FD2A0L, 0x5268E236L,
0xCC0C7795L, 0xBB0B4703L, 0x220216B9L, 0x5505262FL,
0xC5BA3BBEL, 0xB2BD0B28L, 0x2BB45A92L, 0x5CB36A04L,
0xC2D7FFA7L, 0xB5D0CF31L, 0x2CD99E8BL, 0x5BDEAE1DL,
0x9B64C2B0L, 0xEC63F226L, 0x756AA39CL, 0x026D930AL,
0x9C0906A9L, 0xEB0E363FL, 0x72076785L, 0x05005713L,
0x95BF4A82L, 0xE2B87A14L, 0x7BB12BAEL, 0x0CB61B38L,
0x92D28E9BL, 0xE5D5BE0DL, 0x7CDCEFB7L, 0x0BDBDF21L,
0x86D3D2D4L, 0xF1D4E242L, 0x68DDB3F8L, 0x1FDA836EL,
0x81BE16CDL, 0xF6B9265BL, 0x6FB077E1L, 0x18B74777L,
0x88085AE6L, 0xFF0F6A70L, 0x66063BCAL, 0x11010B5CL,
0x8F659EFFL, 0xF862AE69L, 0x616BFFD3L, 0x166CCF45L,
0xA00AE278L, 0xD70DD2EEL, 0x4E048354L, 0x3903B3C2L,
0xA7672661L, 0xD06016F7L, 0x4969474DL, 0x3E6E77DBL,
0xAED16A4AL, 0xD9D65ADCL, 0x40DF0B66L, 0x37D83BF0L,
0xA9BCAE53L, 0xDEBB9EC5L, 0x47B2CF7FL, 0x30B5FFE9L,
0xBDBDF21CL, 0xCABAC28AL, 0x53B39330L, 0x24B4A3A6L,
0xBAD03605L, 0xCDD70693L, 0x54DE5729L, 0x23D967BFL,
0xB3667A2EL, 0xC4614AB8L, 0x5D681B02L, 0x2A6F2B94L,
0xB40BBE37L, 0xC30C8EA1L, 0x5A05DF1BL, 0x2D02EF8DL
};
U32 NIC_DEVICE_OBJECT::DeviceCalculateCRC32(
PU8 ptrBuffer,
int nLength)
{
U32 Crc = 0xffffffff;
while (nLength--) {
Crc = g_szCRCTable[(Crc ^ *ptrBuffer++) & 0xFF] ^ (Crc >> 8);
}
return ~Crc;
}
#endif
U32 NIC_DEVICE_OBJECT::DeviceCalculateCRC32(
PU8 ptrBuffer,
int nLength,
BOOL bReverse)
{
U32 Crc, Carry;
int i, j;
U8 CurByte;
Crc = 0xffffffff;
for (i = 0; i < nLength; i++) {
CurByte = ptrBuffer[i];
for (j = 0; j < 8; j++) {
Carry = ((Crc & 0x80000000) ? 1 : 0) ^ (CurByte & 0x01);
Crc <<= 1;
CurByte >>= 1;
if (Carry) {
Crc = (Crc ^ 0x04c11db6) | Carry;
}
}
}
for (i=0, Carry=0x0L; i < 32 ; i++) {
Carry <<= 1;
if (Crc & 0x1) {
Carry |= 0x1L;
}
Crc >>= 1;
}
return bReverse?~Carry:Carry;
}
/*******************************************************************************
*
* Device Attributes and Characteristics
*
********************************************************************************/
PU8 NIC_DEVICE_OBJECT::DeviceMacAddress(
PU8 ptrBuffer)
{
if(!ptrBuffer) return ptrBuffer;
PU16 pcurr=(PU16)&m_szEeprom[
m_szEepromFormat[EID_MAC_ADDRESS]];
*(PU16)ptrBuffer = *pcurr++;
*(PU16)(ptrBuffer+2) = *pcurr++;
*(PU16)(ptrBuffer+4) = *pcurr++;
return ptrBuffer;
}
U16 NIC_DEVICE_OBJECT::DeviceVendorID(void)
{
return *(PU16)(&m_szEeprom[m_szEepromFormat[EID_VENDOR_ID]]);
}
U16 NIC_DEVICE_OBJECT::DeviceProductID(void)
{
return *(PU16)(&m_szEeprom[m_szEepromFormat[EID_PRODUCT_ID]]);
}
void NIC_DEVICE_OBJECT::DeviceRegisterAdapter(void)
{
int attr=0;
if(m_szConfigures[CID_BUS_MASTER])
attr |= NDIS_ATTRIBUTE_BUS_MASTER;
if(m_szConfigures[CID_INTERMEDIATE])
attr = attr
| NDIS_ATTRIBUTE_INTERMEDIATE_DRIVER
//| NDIS_ATTRIBUTE_IGNORE_PACKET_TIMEOUT
//| NDIS_ATTRIBUTE_IGNORE_REQUEST_TIMEOUT
;
NdisMSetAttributesEx(
m_pUpper->GetNdisHandle(), // miniport handle
(NDIS_HANDLE)m_pUpper, // miniport context
m_szConfigures[CID_CHECK_FOR_HANG_PERIOD],
attr,
(NDIS_INTERFACE_TYPE)m_szConfigures[CID_INTERFACE_TYPE]);
}
/*******************************************************************************
*
*
********************************************************************************/
void NIC_DEVICE_OBJECT::DeviceReportStatistics(
U32 uEvent,
U32 uValue)
{
if(uEvent >= TID_SIZE) return;
m_szStatistics[uEvent] += uValue;
}
void NIC_DEVICE_OBJECT::DeviceRetriveConfigurations(
NDIS_HANDLE hConfig)
{
NDIS_STATUS status;
PCONFIG_PARAMETER pconfig;
PNDIS_CONFIGURATION_PARAMETER param;
for(pconfig=DeviceConfigureParameters();
(pconfig->uId != (U32)-1);
pconfig++)
{
NdisReadConfiguration(
&status,
¶m,
hConfig,
&(pconfig->szName),
NdisParameterHexInteger);
if(status == NDIS_STATUS_SUCCESS)
m_szConfigures[pconfig->uId] =
param->ParameterData.IntegerData;
else
m_szConfigures[pconfig->uId] = pconfig->uDefValue;
}
}
void NIC_DEVICE_OBJECT::DeviceSetDefaultSettings(void)
{
m_szConfigures[CID_CHIP_STEPPING] = 0;
m_szConfigures[CID_INTERMEDIATE] = 0;
m_szConfigures[CID_NEED_IO_SPACE] = 1;
m_szConfigures[CID_NEED_INTERRUPT] = 1;
m_szCurrentSettings[SID_PHY_NUMBER] = MII_INTERNAL_PHY_ADDR;
m_szCurrentSettings[SID_HW_STATUS] = NdisHardwareStatusReady;
m_szCurrentSettings[SID_MEDIA_SUPPORTED] = NdisMedium802_3;
m_szCurrentSettings[SID_MEDIA_IN_USE] = NdisMedium802_3;
m_szCurrentSettings[SID_MEDIA_CONNECTION_STATUS] = NdisMediaStateConnected;
m_szCurrentSettings[SID_OP_MODE] = 0;
m_szCurrentSettings[SID_MAXIMUM_LOOKAHEAD] = ETH_MAX_FRAME_SIZE;
m_szCurrentSettings[SID_MAXIMUM_FRAME_SIZE] = ETH_MAX_FRAME_SIZE - ETH_HEADER_SIZE;
m_szCurrentSettings[SID_MAXIMUM_TOTAL_SIZE] = ETH_MAX_FRAME_SIZE;
m_szCurrentSettings[SID_BUFFER_SIZE] = DRIVER_BUFFER_SIZE;
m_szCurrentSettings[SID_MAXIMUM_SEND_PACKETS] = 1;
m_szCurrentSettings[SID_LINK_SPEED] = 100000;
m_szCurrentSettings[SID_GEN_MAC_OPTIONS] =
NDIS_MAC_OPTION_TRANSFERS_NOT_PEND
| NDIS_MAC_OPTION_COPY_LOOKAHEAD_DATA
| NDIS_MAC_OPTION_RECEIVE_SERIALIZED
| NDIS_MAC_OPTION_NO_LOOPBACK;
m_szCurrentSettings[SID_GEN_CURRENT_PACKET_FILTER] = 0;
m_szCurrentSettings[SID_GEN_TRANSMIT_BUFFER_SPACE] =
m_szConfigures[CID_TXBUFFER_NUMBER]
* ETH_MAX_FRAME_SIZE;
m_szCurrentSettings[SID_GEN_RECEIVE_BUFFER_SPACE] =
m_szConfigures[CID_RXBUFFER_NUMBER]
* ETH_MAX_FRAME_SIZE;
m_szCurrentSettings[SID_GEN_TRANSMIT_BLOCK_SIZE] = ETH_MAX_FRAME_SIZE;
m_szCurrentSettings[SID_GEN_RECEIVE_BLOCK_SIZE] = ETH_MAX_FRAME_SIZE;
m_szCurrentSettings[SID_GEN_CURRENT_LOOKAHEAD] = ETH_MAX_FRAME_SIZE;
m_szCurrentSettings[SID_GEN_DRIVER_VERSION] =
(PRJ_NDIS_MAJOR_VERSION << 8) | PRJ_NDIS_MINOR_VERSION;
m_szCurrentSettings[SID_GEN_VENDOR_DRIVER_VERSION] = 0x01010000;
m_szCurrentSettings[SID_GEN_PROTOCOL_OPTIONS] = 0;
}
void NIC_DEVICE_OBJECT::EDeviceRegisterIoSpace(void)
{
if(!m_szConfigures[CID_NEED_IO_SPACE]) return;
#if defined(DM9102)
NDIS_STATUS status;
if((status = NdisMRegisterIoPortRange(
(PVOID*)&m_szCurrentSettings[SID_PORT_BASE_ADDRESS],
m_pUpper->GetNdisHandle(),
m_szConfigures[CID_IO_BASE_ADDRESS],
m_szConfigures[CID_IO_RANGE])) != NDIS_STATUS_SUCCESS)
THROW((status));
DEBUG_PRINT((
TEXT("[dm9: NDIS returns io port at %X\r\n"),
m_szCurrentSettings[SID_PORT_BASE_ADDRESS]
));
#elif defined(DM9000)
U32 uBase;
PHYSICAL_ADDRESS phyAddr;
phyAddr.HighPart = 0;
phyAddr.LowPart = m_szConfigures[CID_IO_BASE_ADDRESS];
DEBUG_PRINT((
TEXT("[dm9: Tries to map io space with %X\r\n"), phyAddr.LowPart
));
if(!(uBase = (U32)MmMapIoSpace(phyAddr, 16, FALSE)))
THROW((ERR_STRING("Fails to map io space")));
DEBUG_PRINT((
TEXT("[dm9: The mapped address is %X\r\n"), uBase
));
m_szCurrentSettings[SID_PORT_BASE_ADDRESS] = uBase;
#endif
}
void NIC_DEVICE_OBJECT::EDeviceRegisterInterrupt(void)
{
if(!m_szConfigures[CID_NEED_INTERRUPT]) return;
NDIS_STATUS status;
if((status=NdisMRegisterInterrupt(
&m_InterruptHandle,
m_pUpper->GetNdisHandle(),
m_szConfigures[CID_IRQ_NUMBER], // or say, irq vector
m_szConfigures[CID_IRQ_LEVEL], // irql level
TRUE, // request ISR
(BOOLEAN)m_szConfigures[CID_IRQ_SHARED], // shared interrupt
(KINTERRUPT_MODE)m_szConfigures[CID_IRQ_GEN_TYPE])) != NDIS_STATUS_SUCCESS)
THROW((ERR_STRING("Error in registering interrupt"),status));
}
void NIC_DEVICE_OBJECT::EDeviceLoadEeprom(void)
{
int n;
EEPROM_DATA_TYPE *pcurr=(EEPROM_DATA_TYPE*)&m_szEeprom[0];
for(n=0;n<(DIM(m_szEeprom)/sizeof(EEPROM_DATA_TYPE));n++,pcurr++)
{
*pcurr = DeviceReadEeprom(n);
} // of for offset n
DeviceCalculateCRC32(&m_szEeprom[0],DIM(m_szEeprom)-2);
}
BOOL NIC_DEVICE_OBJECT::DevicePolling(
U32 uPort,
U32 uMask,
U32 uExpected,
U32 uInterval, /* in millisecond */
U32 uRetries)
{
for(;uRetries;uRetries--)
{
if((DeviceReadPort(uPort) & uMask) == uExpected) break;
NdisStallExecution(uInterval);
} // of retry loop
return (BOOL)uRetries;
}
void NIC_DEVICE_OBJECT::SetConnectionStatus(bool bConnected)
{
if (bConnected)
{
DEBUG_PRINT((TEXT("Send connection!\r\n")));
m_szCurrentSettings[SID_MEDIA_CONNECTION_STATUS] = NdisMediaStateConnected;
NdisMIndicateStatus(m_pUpper->GetNdisHandle(), NDIS_STATUS_MEDIA_CONNECT,
(PVOID) 0, 0);
}
else
{
DEBUG_PRINT((TEXT("Send disconnection!\r\n")));
m_szCurrentSettings[SID_MEDIA_CONNECTION_STATUS] = NdisMediaStateDisconnected;
NdisMIndicateStatus(m_pUpper->GetNdisHandle(), NDIS_STATUS_MEDIA_DISCONNECT,
(PVOID) 0, 0);
}
NdisMIndicateStatusComplete(m_pUpper->GetNdisHandle());
}
BOOL NIC_DEVICE_OBJECT::DeviceCheckForHang(void)
{
U16 link_state;
// check link status
link_state = DeviceReadPhy(0, 0x1);
link_state = DeviceReadPhy(0, 0x1);
DEBUG_PRINT((TEXT("[DM9isa]Link=%d\r\n"), (link_state&0x4)));
if (m_nOldLinkState != link_state)
{
if (link_state & 0x4)
SetConnectionStatus(true);
else
SetConnectionStatus(false);
}
m_nOldLinkState = link_state;
U32 cr= DeviceGetReceiveStatus();
U32 rxps,rxci;
rxps = cr >> 31;
rxci = cr & 0x7FFFFFFF;
REPORT(TID_NIC_RXPS,rxps);
REPORT(TID_NIC_RXCI,rxci);
#ifndef IMPL_RESET
return FALSE;
#endif
U32 lastread = m_szLastStatistics[TID_GEN_RCV_OK];
U32 lastsent = m_szLastStatistics[TID_GEN_XMIT_OK];
memcpy(
(void*)&m_szLastStatistics,
(void*)&m_szStatistics,
sizeof(m_szStatistics));
// report hang if
// 1. receive count stalled but overflow, or
if((m_szStatistics[TID_GEN_RCV_OK] == lastread) && cr)
return TRUE;
// 2. tx idle while tqueue out of resource
if(m_pUpper->DriverIsOutOfResource() &&
(DeviceHardwareStatus() & NIC_HW_TX_IDLE) )
{
return TRUE;
}
return FALSE;
}
/*******************************************************************************
*
* Device timer routine
*
********************************************************************************/
extern "C" void DeviceTimerTrunkRoutine(
IN PVOID SystemSpecific1,
IN PVOID FunctionContext,
IN PVOID SystemSpecific2,
IN PVOID SystemSpecific3)
{
NIC_DEVICE_OBJECT *dev = (NIC_DEVICE_OBJECT*)FunctionContext;
if(!dev->m_mutexTimer.TryLock()) return;
dev->DeviceOnTimer();
dev->m_mutexTimer.Release();
}
void NIC_DEVICE_OBJECT::DeviceInitializeTimer(void)
{
NdisMInitializeTimer(
&m_timerObject,
m_pUpper->GetNdisHandle(),
(PNDIS_TIMER_FUNCTION)DeviceTimerTrunkRoutine,
(PVOID)this);
}
void NIC_DEVICE_OBJECT::DeviceCancelTimer(void)
{
BOOLEAN result;
NdisMCancelTimer(
&m_timerObject,
&result);
}
void NIC_DEVICE_OBJECT::DeviceSetTimer(
U32 milliseconds)
{
NdisMSetTimer(&m_timerObject,milliseconds);
}
void NIC_DEVICE_OBJECT::DeviceOnTimer(void)
{
}
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