ReactOS 0.4.15-dev-8102-g108db8f
ParaNdis5-Impl.c File Reference
#include "ParaNdis5.h"
Include dependency graph for ParaNdis5-Impl.c:

Go to the source code of this file.

Classes

struct  _tagSendEntry
 

Macros

#define SEND_ENTRY_FLAG_READY   0x0001
 
#define SEND_ENTRY_TSO_USED   0x0002
 
#define SEND_ENTRY_NO_INDIRECT   0x0004
 
#define SEND_ENTRY_TCP_CS   0x0008
 
#define SEND_ENTRY_UDP_CS   0x0010
 
#define SEND_ENTRY_IP_CS   0x0020
 
#define IDXTOUSE   0
 
#define REF_MINIPORT(Packet)   ((PVOID *)(Packet->MiniportReservedEx + IDXTOUSE * sizeof(PVOID)))
 

Typedefs

typedef struct _tagSendEntry tSendEntry
 

Functions

PVOID ParaNdis_AllocateMemory (PARANDIS_ADAPTER *pContext, ULONG ulRequiredSize)
 
NDIS_HANDLE ParaNdis_OpenNICConfiguration (PARANDIS_ADAPTER *pContext)
 
void ParaNdis_RestoreDeviceConfigurationAfterReset (PARANDIS_ADAPTER *pContext)
 
VOID ParaNdis_IndicateConnect (PARANDIS_ADAPTER *pContext, BOOLEAN bConnected, BOOLEAN bForce)
 
VOID ParaNdis_SetPowerState (PARANDIS_ADAPTER *pContext, NDIS_DEVICE_POWER_STATE newState)
 
static VOID NTAPI OnConnectTimer (IN PVOID SystemSpecific1, IN PVOID FunctionContext, IN PVOID SystemSpecific2, IN PVOID SystemSpecific3)
 
BOOLEAN ParaNdis_InitialAllocatePhysicalMemory (PARANDIS_ADAPTER *pContext, tCompletePhysicalAddress *pAddresses)
 
static VOID NTAPI OnDPCPostProcessTimer (IN PVOID SystemSpecific1, IN PVOID FunctionContext, IN PVOID SystemSpecific2, IN PVOID SystemSpecific3)
 
VOID ParaNdis_FreePhysicalMemory (PARANDIS_ADAPTER *pContext, tCompletePhysicalAddress *pAddresses)
 
static void DebugParseOffloadBits ()
 
NDIS_STATUS NTAPI ParaNdis_FinishSpecificInitialization (PARANDIS_ADAPTER *pContext)
 
VOID ParaNdis_FinalizeCleanup (PARANDIS_ADAPTER *pContext)
 
static FORCEINLINE ULONG MaxNdisBufferDataSize (PARANDIS_ADAPTER *pContext, pIONetDescriptor pBufferDesc)
 
BOOLEAN ParaNdis_BindBufferToPacket (PARANDIS_ADAPTER *pContext, pIONetDescriptor pBufferDesc)
 
void ParaNdis_UnbindBufferFromPacket (PARANDIS_ADAPTER *pContext, pIONetDescriptor pBufferDesc)
 
tPacketIndicationType ParaNdis_IndicateReceivedPacket (PARANDIS_ADAPTER *pContext, PVOID dataBuffer, PULONG pLength, BOOLEAN bPrepareOnly, pIONetDescriptor pBuffersDesc)
 
VOID ParaNdis_IndicateReceivedBatch (PARANDIS_ADAPTER *pContext, tPacketIndicationType *pBatch, ULONG nofPackets)
 
static FORCEINLINE void GET_NUMBER_OF_SG_ELEMENTS (PNDIS_PACKET Packet, UINT *pNum)
 
static void CompletePacket (PARANDIS_ADAPTER *pContext, PNDIS_PACKET Packet)
 
tCopyPacketResult ParaNdis_PacketCopier (PNDIS_PACKET Packet, PVOID dest, ULONG maxSize, PVOID refValue, BOOLEAN bPreview)
 
VOID ParaNdis_OnTransmitBufferReleased (PARANDIS_ADAPTER *pContext, IONetDescriptor *pDesc)
 
static FORCEINLINE ULONG CalculateTotalOffloadSize (ULONG packetSize, ULONG mss, ULONG ipheaderOffset, ULONG maxPossiblePacketSize, tTcpIpPacketParsingResult packetReview)
 
VOID ParaNdis_PacketMapper (PARANDIS_ADAPTER *pContext, PNDIS_PACKET packet, PVOID ReferenceValue, struct VirtIOBufferDescriptor *buffers, pIONetDescriptor pDesc, tMapperResult *pMapperResult)
 
static void InitializeTransferParameters (tTxOperationParameters *pParams, tSendEntry *pEntry)
 
BOOLEAN ParaNdis_ProcessTx (PARANDIS_ADAPTER *pContext, BOOLEAN IsDpc, BOOLEAN IsInterrupt)
 
VOID NTAPI ParaNdis5_ReturnPacket (IN NDIS_HANDLE MiniportAdapterContext, IN PNDIS_PACKET Packet)
 
static __inline tSendEntryPrepareSendEntry (PARANDIS_ADAPTER *pContext, PNDIS_PACKET Packet, ULONG len)
 
VOID NTAPI ParaNdis5_SendPackets (IN NDIS_HANDLE MiniportAdapterContext, IN PPNDIS_PACKET PacketArray, IN UINT NumberOfPackets)
 
VOID NTAPI ParaNdis5_CancelSendPackets (IN NDIS_HANDLE MiniportAdapterContext, IN PVOID CancelId)
 
NDIS_STATUS ParaNdis5_StopSend (PARANDIS_ADAPTER *pContext, BOOLEAN bStop, ONPAUSECOMPLETEPROC Callback)
 
NDIS_STATUS ParaNdis5_StopReceive (PARANDIS_ADAPTER *pContext, BOOLEAN bStop, ONPAUSECOMPLETEPROC Callback)
 
VOID NTAPI ParaNdis5_HandleDPC (IN NDIS_HANDLE MiniportAdapterContext)
 
BOOLEAN ParaNdis_SynchronizeWithInterrupt (PARANDIS_ADAPTER *pContext, ULONG messageId, tSynchronizedProcedure procedure, PVOID parameter)
 

Macro Definition Documentation

◆ IDXTOUSE

#define IDXTOUSE   0

Definition at line 66 of file ParaNdis5-Impl.c.

◆ REF_MINIPORT

#define REF_MINIPORT (   Packet)    ((PVOID *)(Packet->MiniportReservedEx + IDXTOUSE * sizeof(PVOID)))

Definition at line 67 of file ParaNdis5-Impl.c.

◆ SEND_ENTRY_FLAG_READY

#define SEND_ENTRY_FLAG_READY   0x0001

Definition at line 40 of file ParaNdis5-Impl.c.

◆ SEND_ENTRY_IP_CS

#define SEND_ENTRY_IP_CS   0x0020

Definition at line 45 of file ParaNdis5-Impl.c.

◆ SEND_ENTRY_NO_INDIRECT

#define SEND_ENTRY_NO_INDIRECT   0x0004

Definition at line 42 of file ParaNdis5-Impl.c.

◆ SEND_ENTRY_TCP_CS

#define SEND_ENTRY_TCP_CS   0x0008

Definition at line 43 of file ParaNdis5-Impl.c.

◆ SEND_ENTRY_TSO_USED

#define SEND_ENTRY_TSO_USED   0x0002

Definition at line 41 of file ParaNdis5-Impl.c.

◆ SEND_ENTRY_UDP_CS

#define SEND_ENTRY_UDP_CS   0x0010

Definition at line 44 of file ParaNdis5-Impl.c.

Typedef Documentation

◆ tSendEntry

Function Documentation

◆ CalculateTotalOffloadSize()

static FORCEINLINE ULONG CalculateTotalOffloadSize ( ULONG  packetSize,
ULONG  mss,
ULONG  ipheaderOffset,
ULONG  maxPossiblePacketSize,
tTcpIpPacketParsingResult  packetReview 
)
static

Definition at line 706 of file ParaNdis5-Impl.c.

712{
713 ULONG ul = 0;
714 ULONG tcpipHeaders = packetReview.XxpIpHeaderSize;
715 ULONG allHeaders = tcpipHeaders + ipheaderOffset;
716 if (tcpipHeaders && (mss + allHeaders) <= maxPossiblePacketSize)
717 {
718 ULONG nFragments = (packetSize - allHeaders)/mss;
719 ULONG last = (packetSize - allHeaders)%mss;
720 ul = nFragments * (mss + allHeaders) + last + (last ? allHeaders : 0);
721 }
722 DPrintf(1, ("[%s]%s %d/%d, headers %d)",
723 __FUNCTION__, !ul ? "ERROR:" : "", ul, mss, allHeaders));
724 return ul;
725}
#define __FUNCTION__
Definition: types.h:116
#define DPrintf(Level, Fmt)
Definition: kdebugprint.h:61
static UINT UINT last
Definition: font.c:45
uint32_t ULONG
Definition: typedefs.h:59

Referenced by ParaNdis_PacketMapper().

◆ CompletePacket()

static void CompletePacket ( PARANDIS_ADAPTER pContext,
PNDIS_PACKET  Packet 
)
static

Definition at line 595 of file ParaNdis5-Impl.c.

596{
597 LONG lRestToReturn;
599 lRestToReturn = NdisInterlockedDecrement(&pContext->NetTxPacketsToReturn);
600 ParaNdis_DebugHistory(pContext, hopSendComplete, Packet, 0, lRestToReturn, status);
602}
@ hopSendComplete
Definition: DebugData.h:60
static void FORCEINLINE ParaNdis_DebugHistory(PARANDIS_ADAPTER *pContext, eHistoryLogOperation op, PVOID pParam1, ULONG lParam2, ULONG lParam3, ULONG lParam4)
Definition: ndis56common.h:647
_In_ NDIS_HANDLE _In_ PNDIS_PACKET Packet
Definition: ndis.h:1549
#define NDIS_GET_PACKET_STATUS(_Packet)
Definition: ndis.h:3436
#define NdisInterlockedDecrement(Addend)
Definition: ndis.h:4379
#define NdisMSendComplete(MiniportAdapterHandle, Packet, Status)
Definition: ndis.h:5689
int NDIS_STATUS
Definition: ntddndis.h:475
long LONG
Definition: pedump.c:60
NDIS_HANDLE MiniportHandle
Definition: ndis56common.h:349
Definition: ps.c:97

Referenced by ParaNdis5_CancelSendPackets(), ParaNdis5_SendPackets(), ParaNdis5_StopSend(), and ParaNdis_ProcessTx().

◆ DebugParseOffloadBits()

static void DebugParseOffloadBits ( )
static

Definition at line 233 of file ParaNdis5-Impl.c.

234{
237 ULONG val = 1;
238 int level = 1;
239 while (val)
240 {
241 info.Value = val;
242 if (info.Receive.NdisPacketIpChecksumFailed) DPrintf(level, ("W.%X=IPCS failed", val));
243 if (info.Receive.NdisPacketIpChecksumSucceeded) DPrintf(level, ("W.%X=IPCS OK", val));
244 if (info.Receive.NdisPacketTcpChecksumFailed) DPrintf(level, ("W.%X=TCPCS failed", val));
245 if (info.Receive.NdisPacketTcpChecksumSucceeded) DPrintf(level, ("W.%X=TCPCS OK", val));
246 if (info.Receive.NdisPacketUdpChecksumFailed) DPrintf(level, ("W.%X=UDPCS failed", val));
247 if (info.Receive.NdisPacketUdpChecksumSucceeded) DPrintf(level, ("W.%X=UDPCS OK", val));
248 val = val << 1;
249 }
250 val = 1;
251 while (val)
252 {
253 res.value = val;
254 if (res.flags.IpFailed) DPrintf(level, ("C.%X=IPCS failed", val));
255 if (res.flags.IpOK) DPrintf(level, ("C.%X=IPCS OK", val));
256 if (res.flags.TcpFailed) DPrintf(level, ("C.%X=TCPCS failed", val));
257 if (res.flags.TcpOK) DPrintf(level, ("C.%X=TCPCS OK", val));
258 if (res.flags.UdpFailed) DPrintf(level, ("C.%X=UDPCS failed", val));
259 if (res.flags.UdpOK) DPrintf(level, ("C.%X=UDPCS OK", val));
260 val = val << 1;
261 }
262}
GLint level
Definition: gl.h:1546
GLuint res
Definition: glext.h:9613
GLuint GLfloat * val
Definition: glext.h:7180

Referenced by ParaNdis_FinishSpecificInitialization().

◆ GET_NUMBER_OF_SG_ELEMENTS()

static FORCEINLINE void GET_NUMBER_OF_SG_ELEMENTS ( PNDIS_PACKET  Packet,
UINT pNum 
)
static

Definition at line 579 of file ParaNdis5-Impl.c.

580{
581 PSCATTER_GATHER_LIST pSGList;
583 if (pSGList)
584 {
585 *pNum = pSGList->NumberOfElements;
586 }
587}
#define NDIS_PER_PACKET_INFO_FROM_PACKET(Packet, InfoType)
Definition: ndis.h:1351
@ ScatterGatherListPacketInfo
Definition: ndis.h:1183
struct _SCATTER_GATHER_LIST * PSCATTER_GATHER_LIST
Definition: iotypes.h:2204

Referenced by InitializeTransferParameters(), and ParaNdis5_SendPackets().

◆ InitializeTransferParameters()

static void InitializeTransferParameters ( tTxOperationParameters pParams,
tSendEntry pEntry 
)
static

Definition at line 909 of file ParaNdis5-Impl.c.

910{
911 ULONG flags = (pEntry->flags & SEND_ENTRY_TSO_USED) ? pcrLSO : 0;
913 NdisQueryPacket(pEntry->packet, &pParams->nofSGFragments, NULL, NULL, (PUINT)&pParams->ulDataSize);
914 pParams->ReferenceValue = pEntry;
915 pParams->packet = pEntry->packet;
916 pParams->offloadMss = (pEntry->flags & SEND_ENTRY_TSO_USED) ? pEntry->ipTransferUnit : 0;
917 // on NDIS5 it is unknown
918 pParams->tcpHeaderOffset = 0;
919 // fills only if SGList present in the packet
922 {
923 flags |= pcrIsIP;
924 if (pEntry->flags & SEND_ENTRY_TCP_CS)
925 {
927 }
928 if (pEntry->flags & SEND_ENTRY_UDP_CS)
929 {
931 }
932 if (pEntry->flags & SEND_ENTRY_IP_CS)
933 {
935 }
936 }
937 if (pEntry->PriorityDataLong) flags |= pcrPriorityTag;
938 pParams->flags = flags;
939}
#define SEND_ENTRY_NO_INDIRECT
static FORCEINLINE void GET_NUMBER_OF_SG_ELEMENTS(PNDIS_PACKET Packet, UINT *pNum)
#define SEND_ENTRY_TSO_USED
#define SEND_ENTRY_TCP_CS
#define SEND_ENTRY_UDP_CS
#define SEND_ENTRY_IP_CS
#define NULL
Definition: types.h:112
PLIST_ENTRY pEntry
Definition: fxioqueue.cpp:4484
GLbitfield flags
Definition: glext.h:7161
@ pcrPriorityTag
Definition: ndis56common.h:882
@ pcrLSO
Definition: ndis56common.h:873
@ pcrIpChecksum
Definition: ndis56common.h:865
@ pcrIsIP
Definition: ndis56common.h:874
@ pcrUdpChecksum
Definition: ndis56common.h:871
@ pcrNoIndirect
Definition: ndis56common.h:883
@ pcrTcpChecksum
Definition: ndis56common.h:870
unsigned int * PUINT
Definition: ndis.h:50
static __inline VOID NdisQueryPacket(IN PNDIS_PACKET Packet, OUT PUINT PhysicalBufferCount OPTIONAL, OUT PUINT BufferCount OPTIONAL, OUT PNDIS_BUFFER *FirstBuffer OPTIONAL, OUT PUINT TotalPacketLength OPTIONAL)
Definition: ndis.h:3593
#define NDIS_PROTOCOL_ID_TCP_IP
Definition: ndis.h:1030
#define NDIS_GET_PACKET_PROTOCOL_TYPE(_Packet)
Definition: ndis.h:3410

Referenced by ParaNdis_ProcessTx().

◆ MaxNdisBufferDataSize()

static FORCEINLINE ULONG MaxNdisBufferDataSize ( PARANDIS_ADAPTER pContext,
pIONetDescriptor  pBufferDesc 
)
static

Definition at line 371 of file ParaNdis5-Impl.c.

372{
373 ULONG size = pBufferDesc->DataInfo.size;
374 if (pContext->bUseMergedBuffers) size -= pContext->nVirtioHeaderSize;
375 return size;
376}
GLsizeiptr size
Definition: glext.h:5919
tCompletePhysicalAddress DataInfo
Definition: ndis56common.h:338

Referenced by ParaNdis_BindBufferToPacket(), and ParaNdis_UnbindBufferFromPacket().

◆ OnConnectTimer()

static VOID NTAPI OnConnectTimer ( IN PVOID  SystemSpecific1,
IN PVOID  FunctionContext,
IN PVOID  SystemSpecific2,
IN PVOID  SystemSpecific3 
)
static

Definition at line 153 of file ParaNdis5-Impl.c.

159{
162}
#define FALSE
Definition: types.h:117
VOID ParaNdis_ReportLinkStatus(PARANDIS_ADAPTER *pContext, BOOLEAN bForce)
_In_ PVOID FunctionContext
Definition: ndis.h:637

Referenced by ParaNdis_FinishSpecificInitialization().

◆ OnDPCPostProcessTimer()

static VOID NTAPI OnDPCPostProcessTimer ( IN PVOID  SystemSpecific1,
IN PVOID  FunctionContext,
IN PVOID  SystemSpecific2,
IN PVOID  SystemSpecific3 
)
static

Definition at line 193 of file ParaNdis5-Impl.c.

199{
201 ULONG requiresProcessing;
202 requiresProcessing = ParaNdis_DPCWorkBody(pContext, PARANDIS_UNLIMITED_PACKETS_TO_INDICATE);
203 if (requiresProcessing)
204 {
205 // we need to request additional DPC
206 InterlockedOr(&pContext->InterruptStatus, requiresProcessing);
207 NdisSetTimer(&pContext->DPCPostProcessTimer, 10);
208 }
209}
VOID EXPORT NdisSetTimer(IN PNDIS_TIMER Timer, IN UINT MillisecondsToDelay)
Definition: time.c:317
#define InterlockedOr
Definition: interlocked.h:224
#define PARANDIS_UNLIMITED_PACKETS_TO_INDICATE
Definition: ndis56common.h:128
ULONG ParaNdis_DPCWorkBody(PARANDIS_ADAPTER *pContext, ULONG ulMaxPacketsToIndicate)
NDIS_TIMER DPCPostProcessTimer
Definition: ndis56common.h:486

Referenced by ParaNdis_FinishSpecificInitialization().

◆ ParaNdis5_CancelSendPackets()

VOID NTAPI ParaNdis5_CancelSendPackets ( IN NDIS_HANDLE  MiniportAdapterContext,
IN PVOID  CancelId 
)

Definition at line 1303 of file ParaNdis5-Impl.c.

1304{
1305 PARANDIS_ADAPTER *pContext = (PARANDIS_ADAPTER *)MiniportAdapterContext;
1306 LIST_ENTRY DoneList, KeepList;
1307 UINT n = 0;
1309 DEBUG_ENTRY(0);
1310 InitializeListHead(&DoneList);
1311 InitializeListHead(&KeepList);
1312 NdisAcquireSpinLock(&pContext->SendLock);
1313 while ( !IsListEmpty(&pContext->SendQueue))
1314 {
1316 pEntry = (tSendEntry *)RemoveHeadList(&pContext->SendQueue);
1317 Packet = pEntry->packet;
1319 {
1320 InsertTailList(&DoneList, &pEntry->list);
1321 ++n;
1322 }
1323 else InsertTailList(&KeepList, &pEntry->list);
1324 }
1325 while ( !IsListEmpty(&KeepList))
1326 {
1327 pEntry = (tSendEntry *)RemoveHeadList(&KeepList);
1328 InsertTailList(&pContext->SendQueue, &pEntry->list);
1329 }
1330 NdisReleaseSpinLock(&pContext->SendLock);
1331 while (!IsListEmpty(&DoneList))
1332 {
1333 pEntry = (tSendEntry *)RemoveHeadList(&DoneList);
1335 CompletePacket(pContext, pEntry->packet);
1336 NdisFreeMemory(pEntry, 0, 0);
1337 }
1338 DEBUG_EXIT_STATUS(0, n);
1339}
static void CompletePacket(PARANDIS_ADAPTER *pContext, PNDIS_PACKET Packet)
#define DEBUG_ENTRY(level)
Definition: kdebugprint.h:49
#define DEBUG_EXIT_STATUS(level, status)
Definition: kdebugprint.h:50
LONG CancelId
Definition: main.c:23
VOID EXPORT NdisFreeMemory(IN PVOID VirtualAddress, IN UINT Length, IN UINT MemoryFlags)
Definition: memory.c:110
#define InsertTailList(ListHead, Entry)
#define IsListEmpty(ListHead)
Definition: env_spec_w32.h:954
#define RemoveHeadList(ListHead)
Definition: env_spec_w32.h:964
#define InitializeListHead(ListHead)
Definition: env_spec_w32.h:944
GLdouble n
Definition: glext.h:7729
#define NdisReleaseSpinLock(_SpinLock)
Definition: ndis.h:4115
unsigned int UINT
Definition: ndis.h:50
#define NDIS_STATUS_REQUEST_ABORTED
Definition: ndis.h:476
#define NDIS_GET_PACKET_CANCEL_ID(Packet)
Definition: ndis.h:1333
#define NDIS_SET_PACKET_STATUS(_Packet, _Status)
Definition: ndis.h:3509
#define NdisAcquireSpinLock(_SpinLock)
Definition: ndis.h:4106
Definition: typedefs.h:120
NDIS_SPIN_LOCK SendLock
Definition: ndis56common.h:411

Referenced by DriverEntry().

◆ ParaNdis5_HandleDPC()

VOID NTAPI ParaNdis5_HandleDPC ( IN NDIS_HANDLE  MiniportAdapterContext)

Definition at line 1445 of file ParaNdis5-Impl.c.

1446{
1447 PARANDIS_ADAPTER *pContext = (PARANDIS_ADAPTER *)MiniportAdapterContext;
1448 ULONG requiresProcessing;
1450 DEBUG_ENTRY(7);
1451 // we do not need the timer, as DPC will do all the job
1452 // this is not a problem if the timer procedure is already running,
1453 // we need to do our job anyway
1455 requiresProcessing = ParaNdis_DPCWorkBody(pContext, PARANDIS_UNLIMITED_PACKETS_TO_INDICATE);
1456 if (requiresProcessing)
1457 {
1458 // we need to request additional DPC
1459 InterlockedOr(&pContext->InterruptStatus, requiresProcessing);
1460 NdisSetTimer(&pContext->DPCPostProcessTimer, 10);
1461 }
1462}
unsigned char BOOLEAN
VOID EXPORT NdisCancelTimer(IN PNDIS_TIMER Timer, OUT PBOOLEAN TimerCancelled)
Definition: time.c:27
WORD unused[29]
Definition: crypt.c:1155

Referenced by DriverEntry().

◆ ParaNdis5_ReturnPacket()

VOID NTAPI ParaNdis5_ReturnPacket ( IN NDIS_HANDLE  MiniportAdapterContext,
IN PNDIS_PACKET  Packet 
)

Definition at line 1077 of file ParaNdis5-Impl.c.

1078{
1079 PARANDIS_ADAPTER *pContext = (PARANDIS_ADAPTER *)MiniportAdapterContext;
1080 pIONetDescriptor pBufferDescriptor;
1081 pBufferDescriptor = (pIONetDescriptor) *REF_MINIPORT(Packet);
1082 DPrintf(4, ("[%s] buffer %p", __FUNCTION__, pBufferDescriptor));
1083
1084 NdisAcquireSpinLock(&pContext->ReceiveLock);
1085 pContext->ReuseBufferProc(pContext, pBufferDescriptor);
1086 NdisReleaseSpinLock(&pContext->ReceiveLock);
1087}
#define REF_MINIPORT(Packet)
struct _tagIONetDescriptor * pIONetDescriptor
NDIS_SPIN_LOCK ReceiveLock
Definition: ndis56common.h:412
tReuseReceiveBufferProc ReuseBufferProc
Definition: ndis56common.h:438

Referenced by DriverEntry().

◆ ParaNdis5_SendPackets()

VOID NTAPI ParaNdis5_SendPackets ( IN NDIS_HANDLE  MiniportAdapterContext,
IN PPNDIS_PACKET  PacketArray,
IN UINT  NumberOfPackets 
)

Definition at line 1243 of file ParaNdis5-Impl.c.

1246{
1247 UINT i;
1248 LIST_ENTRY FailedList, DoneList;
1249 PARANDIS_ADAPTER *pContext = (PARANDIS_ADAPTER *)MiniportAdapterContext;
1250 InitializeListHead(&FailedList);
1251 InitializeListHead(&DoneList);
1252 DPrintf(3, ("[%s] %d packets", __FUNCTION__, NumberOfPackets));
1254
1255 NdisAcquireSpinLock(&pContext->SendLock);
1256
1257 for (i = 0; i < NumberOfPackets; ++i)
1258 {
1259 UINT uPacketLength = 0;
1260 NdisQueryPacketLength(PacketArray[i], &uPacketLength);
1263 if (!pContext->bSurprizeRemoved && pContext->bConnected && pContext->SendState == srsEnabled && uPacketLength)
1264 {
1265 tSendEntry *pse = PrepareSendEntry(pContext, PacketArray[i], uPacketLength);
1266 if (!pse)
1267 {
1269 CompletePacket(pContext, PacketArray[i]);
1270 }
1271 else
1272 {
1273 UINT nFragments = 0;
1275 ParaNdis_DebugHistory(pContext, hopSendPacketMapped, PacketArray[i], 0, nFragments, 0);
1276 InsertTailList(&pContext->SendQueue, &pse->list);
1277 }
1278 }
1279 else
1280 {
1284 CompletePacket(pContext, PacketArray[i]);
1285 DPrintf(1, ("[%s] packet of %d rejected", __FUNCTION__, uPacketLength));
1286 }
1287 }
1288
1289 NdisReleaseSpinLock(&pContext->SendLock);
1290
1291 ParaNdis_ProcessTx(pContext, FALSE, FALSE);
1292}
@ hopSend
Definition: DebugData.h:52
@ hopSendPacketMapped
Definition: DebugData.h:55
static __inline tSendEntry * PrepareSendEntry(PARANDIS_ADAPTER *pContext, PNDIS_PACKET Packet, ULONG len)
BOOLEAN ParaNdis_ProcessTx(PARANDIS_ADAPTER *pContext, BOOLEAN IsDpc, BOOLEAN IsInterrupt)
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
@ srsEnabled
Definition: ndis56common.h:157
#define NdisInterlockedIncrement(Addend)
Definition: ndis.h:4386
#define NdisQueryPacketLength(_Packet, _TotalPacketLength)
Definition: ndis.h:3645
#define NDIS_STATUS_FAILURE
Definition: ndis.h:465
_In_ PPNDIS_PACKET _In_ UINT NumberOfPackets
Definition: ndis.h:5121
_In_ PPNDIS_PACKET PacketArray
Definition: ndis.h:5120
#define NDIS_STATUS_SUCCESS
Definition: ndis.h:346
#define NDIS_STATUS_NOT_ACCEPTED
Definition: ndis.h:350
tSendReceiveState SendState
Definition: ndis56common.h:434
LIST_ENTRY list

Referenced by DriverEntry().

◆ ParaNdis5_StopReceive()

NDIS_STATUS ParaNdis5_StopReceive ( PARANDIS_ADAPTER pContext,
BOOLEAN  bStop,
ONPAUSECOMPLETEPROC  Callback 
)

Definition at line 1410 of file ParaNdis5-Impl.c.

1415{
1417 if (bStop)
1418 {
1420 NdisAcquireSpinLock(&pContext->ReceiveLock);
1421 if (IsListEmpty(&pContext->NetReceiveBuffersWaiting))
1422 {
1423 pContext->ReceiveState = srsDisabled;
1425 }
1426 else
1427 {
1428 pContext->ReceiveState = srsPausing;
1431 }
1432 NdisReleaseSpinLock(&pContext->ReceiveLock);
1433 }
1434 else
1435 {
1436 pContext->ReceiveState = srsEnabled;
1438 }
1439 return status;
1440}
@ hopInternalReceiveResume
Definition: DebugData.h:47
@ hopInternalReceivePause
Definition: DebugData.h:45
@ srsDisabled
Definition: ndis56common.h:155
@ srsPausing
Definition: ndis56common.h:156
#define NDIS_STATUS_PENDING
Definition: ndis.h:347
ONPAUSECOMPLETEPROC ReceivePauseCompletionProc
Definition: ndis56common.h:437
tSendReceiveState ReceiveState
Definition: ndis56common.h:435
LIST_ENTRY NetReceiveBuffersWaiting
Definition: ndis56common.h:448
_In_ WDFINTERRUPT _In_ PFN_WDF_INTERRUPT_SYNCHRONIZE Callback
Definition: wdfinterrupt.h:458

Referenced by ParaNdis5_Halt(), ParaNdis5_Initialize(), ParaNdis_Resume(), and ParaNdis_Suspend().

◆ ParaNdis5_StopSend()

NDIS_STATUS ParaNdis5_StopSend ( PARANDIS_ADAPTER pContext,
BOOLEAN  bStop,
ONPAUSECOMPLETEPROC  Callback 
)

Definition at line 1348 of file ParaNdis5-Impl.c.

1349{
1351 if (bStop)
1352 {
1353 LIST_ENTRY DoneList;
1355 DEBUG_ENTRY(0);
1356 ParaNdis_DebugHistory(pContext, hopInternalSendPause, NULL, 1, 0, 0);
1357 InitializeListHead(&DoneList);
1358 NdisAcquireSpinLock(&pContext->SendLock);
1359 if (IsListEmpty(&pContext->TxWaitingList))
1360 {
1361 pContext->SendState = srsDisabled;
1362 while (!IsListEmpty(&pContext->SendQueue))
1363 {
1364 pEntry = (tSendEntry *)RemoveHeadList(&pContext->SendQueue);
1365 InsertTailList(&DoneList, &pEntry->list);
1366 }
1367 ParaNdis_DebugHistory(pContext, hopInternalSendPause, NULL, 0, 0, 0);
1368 }
1369 else
1370 {
1371 pContext->SendState = srsPausing;
1374 while (!IsListEmpty(&pContext->SendQueue))
1375 {
1376 pEntry = (tSendEntry *)RemoveHeadList(&pContext->SendQueue);
1377 pEntry->flags |= SEND_ENTRY_FLAG_READY;
1378 InsertTailList(&pContext->TxWaitingList, &pEntry->list);
1379 }
1380 }
1381
1382 NdisReleaseSpinLock(&pContext->SendLock);
1383 while (!IsListEmpty(&DoneList))
1384 {
1385 pEntry = (tSendEntry *)RemoveHeadList(&DoneList);
1387 CompletePacket(pContext, pEntry->packet);
1388 NdisFreeMemory(pEntry, 0, 0);
1389 }
1390 }
1391 else
1392 {
1393 pContext->SendState = srsEnabled;
1395 }
1396 return status;
1397}
@ hopInternalSendResume
Definition: DebugData.h:46
@ hopInternalSendPause
Definition: DebugData.h:44
#define SEND_ENTRY_FLAG_READY
ONPAUSECOMPLETEPROC SendPauseCompletionProc
Definition: ndis56common.h:436
LIST_ENTRY TxWaitingList
Definition: ndis56common.h:483

Referenced by ParaNdis5_Halt(), ParaNdis5_Initialize(), ParaNdis_Resume(), and ParaNdis_Suspend().

◆ ParaNdis_AllocateMemory()

PVOID ParaNdis_AllocateMemory ( PARANDIS_ADAPTER pContext,
ULONG  ulRequiredSize 
)

Definition at line 78 of file ParaNdis5-Impl.c.

79{
80 PVOID p;
81 UNREFERENCED_PARAMETER(pContext);
83 p = NULL;
84 if (!p)
85 {
86 DPrintf(0, ("[%s] failed (%d bytes)", __FUNCTION__, ulRequiredSize));
87 }
88 return p;
89}
NDIS_STATUS EXPORT NdisAllocateMemoryWithTag(OUT PVOID *VirtualAddress, IN UINT Length, IN ULONG Tag)
Definition: memory.c:21
GLfloat GLfloat p
Definition: glext.h:8902
#define PARANDIS_MEMORY_TAG
Definition: ndis56common.h:120
#define UNREFERENCED_PARAMETER(P)
Definition: ntbasedef.h:317

Referenced by AllocatePairOfBuffersOnInit(), CreateOffloadInfo5Internal(), ParaNdis5_Initialize(), ParaNdis5_Reset(), ParaNdis_DoSubmitPacket(), ParaNdis_OnSetPower(), ParaNdis_ProcessRxPath(), ParaNdis_VirtIONetInit(), PrepareSendEntry(), and ReadNicConfiguration().

◆ ParaNdis_BindBufferToPacket()

BOOLEAN ParaNdis_BindBufferToPacket ( PARANDIS_ADAPTER pContext,
pIONetDescriptor  pBufferDesc 
)

Definition at line 390 of file ParaNdis5-Impl.c.

393{
399 {
402 &status,
403 &pBuffer,
404 pContext->BuffersPool,
405 RtlOffsetToPointer(pBufferDesc->DataInfo.Virtual, pContext->bUseMergedBuffers ? pContext->nVirtioHeaderSize : 0),
406 MaxNdisBufferDataSize(pContext, pBufferDesc));
407 }
409 {
414 pBufferDesc->pHolder = Packet;
415 }
416 else
417 {
420 }
421 return status == NDIS_STATUS_SUCCESS;
422}
static FORCEINLINE ULONG MaxNdisBufferDataSize(PARANDIS_ADAPTER *pContext, pIONetDescriptor pBufferDesc)
VOID EXPORT NdisAllocateBuffer(OUT PNDIS_STATUS Status, OUT PNDIS_BUFFER *Buffer, IN NDIS_HANDLE PoolHandle, IN PVOID VirtualAddress, IN UINT Length)
Definition: buffer.c:336
VOID EXPORT NdisFreePacket(IN PNDIS_PACKET Packet)
Definition: buffer.c:828
VOID EXPORT NdisAllocatePacket(OUT PNDIS_STATUS Status, OUT PNDIS_PACKET *Packet, IN NDIS_HANDLE PoolHandle)
Definition: buffer.c:394
#define ETH_HEADER_SIZE
Definition: ethernetutils.h:53
#define RtlOffsetToPointer(Base, Offset)
Definition: ndis56common.h:50
#define NDIS_OOB_DATA_FROM_PACKET(_Packet)
Definition: ndis.h:3418
#define NdisZeroMemory(Destination, Length)
Definition: ndis.h:3926
#define NdisReinitializePacket(Packet)
Definition: ndis.h:3015
#define NDIS_SET_PACKET_HEADER_SIZE(_Packet, _HdrSize)
Definition: ndis.h:3499
MDL * PNDIS_BUFFER
Definition: ndis.h:343
#define NdisFreeBuffer
Definition: ndis.h:2895
#define NdisChainBufferAtFront(Packet, Buffer)
Definition: ndis.h:3106
PVOID pBuffer
tPacketHolderType pHolder
Definition: ndis56common.h:339
NDIS_HANDLE BuffersPool
Definition: ndis56common.h:480
NDIS_HANDLE PacketPool
Definition: ndis56common.h:479

Referenced by AllocatePairOfBuffersOnInit().

◆ ParaNdis_FinalizeCleanup()

VOID ParaNdis_FinalizeCleanup ( PARANDIS_ADAPTER pContext)

Definition at line 348 of file ParaNdis5-Impl.c.

349{
350 if (pContext->Interrupt.InterruptObject)
351 {
353 }
354 if (pContext->BuffersPool)
355 {
357 }
358 if (pContext->PacketPool)
359 {
361 }
362#if DO_MAP_REGISTERS
363 if (pContext->bDmaInitialized)
364 {
366 }
367#endif
368}
VOID EXPORT NdisFreeBufferPool(IN NDIS_HANDLE PoolHandle)
Definition: buffer.c:777
VOID EXPORT NdisFreePacketPool(IN NDIS_HANDLE PoolHandle)
Definition: buffer.c:793
VOID EXPORT NdisMDeregisterInterrupt(IN PNDIS_MINIPORT_INTERRUPT Interrupt)
Definition: io.c:700
VOID EXPORT NdisMFreeMapRegisters(IN NDIS_HANDLE MiniportAdapterHandle)
Definition: io.c:721
PKINTERRUPT InterruptObject
Definition: ndis.h:2233
NDIS_MINIPORT_INTERRUPT Interrupt
Definition: ndis56common.h:478

Referenced by ParaNdis_CleanupContext().

◆ ParaNdis_FinishSpecificInitialization()

NDIS_STATUS NTAPI ParaNdis_FinishSpecificInitialization ( PARANDIS_ADAPTER pContext)

Definition at line 275 of file ParaNdis5-Impl.c.

277{
279 UINT nPackets = pContext->NetMaxReceiveBuffers * 2;
280 DEBUG_ENTRY(2);
281 NdisInitializeEvent(&pContext->HaltEvent);
282 InitializeListHead(&pContext->SendQueue);
284 NdisInitializeTimer(&pContext->ConnectTimer, OnConnectTimer, pContext);
286
288 &pContext->Interrupt,
289 pContext->MiniportHandle,
290 pContext->AdapterResources.Vector,
291 pContext->AdapterResources.Level,
292 TRUE,
293 TRUE,
295
297 {
299 &status,
300 &pContext->PacketPool,
301 nPackets,
303 }
305 {
307 &status,
308 &pContext->BuffersPool,
309 nPackets);
310 }
311
312#if !DO_MAP_REGISTERS
314 {
316 pContext->MiniportHandle,
317 TRUE,
318 0x10000);
320 }
321#else
323 {
325 pContext->MiniportHandle,
326 0,
328 64,
329 PAGE_SIZE);
331 }
332#endif
334 {
336 }
338 return status;
339}
static VOID NTAPI OnDPCPostProcessTimer(IN PVOID SystemSpecific1, IN PVOID FunctionContext, IN PVOID SystemSpecific2, IN PVOID SystemSpecific3)
static void DebugParseOffloadBits()
static VOID NTAPI OnConnectTimer(IN PVOID SystemSpecific1, IN PVOID FunctionContext, IN PVOID SystemSpecific2, IN PVOID SystemSpecific3)
#define TRUE
Definition: types.h:120
VOID EXPORT NdisAllocateBufferPool(OUT PNDIS_STATUS Status, OUT PNDIS_HANDLE PoolHandle, IN UINT NumberOfDescriptors)
Definition: buffer.c:372
VOID EXPORT NdisAllocatePacketPool(OUT PNDIS_STATUS Status, OUT PNDIS_HANDLE PoolHandle, IN UINT NumberOfDescriptors, IN UINT ProtocolReservedLength)
Definition: buffer.c:421
VOID EXPORT NdisInitializeEvent(IN PNDIS_EVENT Event)
Definition: control.c:221
NDIS_STATUS EXPORT NdisMAllocateMapRegisters(IN NDIS_HANDLE MiniportAdapterHandle, IN UINT DmaChannel, IN NDIS_DMA_SIZE DmaSize, IN ULONG BaseMapRegistersNeeded, IN ULONG MaximumBufferSize)
Definition: io.c:252
NDIS_STATUS EXPORT NdisMInitializeScatterGatherDma(IN NDIS_HANDLE MiniportAdapterHandle, IN BOOLEAN Dma64BitAddresses, IN ULONG MaximumPhysicalMapping)
Definition: io.c:1169
NDIS_STATUS EXPORT NdisMRegisterInterrupt(OUT PNDIS_MINIPORT_INTERRUPT Interrupt, IN NDIS_HANDLE MiniportAdapterHandle, IN UINT InterruptVector, IN UINT InterruptLevel, IN BOOLEAN RequestIsr, IN BOOLEAN SharedInterrupt, IN NDIS_INTERRUPT_MODE InterruptMode)
Definition: io.c:941
VOID EXPORT NdisInitializeTimer(IN OUT PNDIS_TIMER Timer, IN PNDIS_TIMER_FUNCTION TimerFunction, IN PVOID FunctionContext)
Definition: time.c:71
#define PAGE_SIZE
Definition: env_spec_w32.h:49
#define NDIS_DMA_32BITS
Definition: ndis.h:881
#define NdisInterruptLevelSensitive
Definition: ndis.h:920
#define PROTOCOL_RESERVED_SIZE_IN_PACKET
Definition: ndis.h:1540
tAdapterResources AdapterResources
Definition: ndis56common.h:351
NDIS_TIMER ConnectTimer
Definition: ndis56common.h:485

Referenced by ParaNdis_FinishInitialization().

◆ ParaNdis_FreePhysicalMemory()

VOID ParaNdis_FreePhysicalMemory ( PARANDIS_ADAPTER pContext,
tCompletePhysicalAddress pAddresses 
)

Definition at line 220 of file ParaNdis5-Impl.c.

223{
224
226 pContext->MiniportHandle,
227 pAddresses->size,
228 (BOOLEAN)pAddresses->IsCached,
229 pAddresses->Virtual,
230 pAddresses->Physical);
231}
VOID EXPORT NdisMFreeSharedMemory(IN NDIS_HANDLE MiniportAdapterHandle, IN ULONG Length, IN BOOLEAN Cached, IN PVOID VirtualAddress, IN NDIS_PHYSICAL_ADDRESS PhysicalAddress)
Definition: memory.c:215
PHYSICAL_ADDRESS Physical
Definition: ndis56common.h:322

Referenced by AllocatePairOfBuffersOnInit(), VirtIONetFreeBufferDescriptor(), and VirtIONetRelease().

◆ ParaNdis_IndicateConnect()

VOID ParaNdis_IndicateConnect ( PARANDIS_ADAPTER pContext,
BOOLEAN  bConnected,
BOOLEAN  bForce 
)

Definition at line 123 of file ParaNdis5-Impl.c.

124{
125 // indicate disconnect always
126 if (bConnected != pContext->bConnected || bForce)
127 {
128 pContext->bConnected = bConnected;
129 DPrintf(0, ("Indicating %sconnect", bConnected ? "" : "dis"));
132 pContext->MiniportHandle,
134 0,
135 0);
137 }
138}
@ hopConnectIndication
Definition: DebugData.h:50
BOOL bConnected
Definition: fdebug.c:27
#define NDIS_STATUS_MEDIA_CONNECT
Definition: ndis.h:361
#define NdisMIndicateStatusComplete(MiniportAdapterHandle)
Definition: ndis.h:5580
#define NDIS_STATUS_MEDIA_DISCONNECT
Definition: ndis.h:362
#define NdisMIndicateStatus(MiniportAdapterHandle, GeneralStatus, StatusBuffer, StatusBufferSize)
Definition: ndis.h:5570

Referenced by OnResetWorkItem(), ParaNdis5_Initialize(), ParaNdis_PowerOff(), and ParaNdis_ReportLinkStatus().

◆ ParaNdis_IndicateReceivedBatch()

VOID ParaNdis_IndicateReceivedBatch ( PARANDIS_ADAPTER pContext,
tPacketIndicationType pBatch,
ULONG  nofPackets 
)

Definition at line 568 of file ParaNdis5-Impl.c.

572{
574 pContext->MiniportHandle,
575 pBatch,
576 nofPackets);
577}
#define NdisMIndicateReceivePacket(MiniportAdapterHandle, ReceivePackets, NumberOfPackets)
Definition: ndis.h:5556

Referenced by ParaNdis_ProcessRxPath().

◆ ParaNdis_IndicateReceivedPacket()

tPacketIndicationType ParaNdis_IndicateReceivedPacket ( PARANDIS_ADAPTER pContext,
PVOID  dataBuffer,
PULONG  pLength,
BOOLEAN  bPrepareOnly,
pIONetDescriptor  pBuffersDesc 
)

Definition at line 465 of file ParaNdis5-Impl.c.

471{
473 PNDIS_BUFFER pNoBuffer = NULL;
474 PNDIS_PACKET Packet = pBuffersDesc->pHolder;
475 ULONG length = *pLength;
477 if (Packet) NdisUnchainBufferAtFront(Packet, &pNoBuffer);
478 if (pBuffer)
479 {
480 UINT uTotalLength;
482 qInfo.Value = NULL;
485 {
488 {
489 if (IsPrioritySupported(pContext))
490 qInfo.TagHeader.UserPriority = (pPriority[2] & 0xE0) >> 5;
491 if (IsVlanSupported(pContext))
492 {
493 qInfo.TagHeader.VlanId = (((USHORT)(pPriority[2] & 0x0F)) << 8) | pPriority[3];
494 if (pContext->VlanId && pContext->VlanId != qInfo.TagHeader.VlanId)
495 {
496 DPrintf(0, ("[%s] Failing unexpected VlanID %d", __FUNCTION__, qInfo.TagHeader.VlanId));
497 pContext->extraStatistics.framesFilteredOut++;
498 pBuffer = NULL;
499 }
500 }
502 pPriority,
503 pPriority + ETH_PRIORITY_HEADER_SIZE,
506 if (length > pContext->MaxPacketSize.nMaxFullSizeOS)
507 {
508 DPrintf(0, ("[%s] Can not indicate up packet of %d", __FUNCTION__, length));
509 pBuffer = NULL;
510 }
511 DPrintf(1, ("[%s] Found priority data %p", __FUNCTION__, qInfo.Value));
512 pContext->extraStatistics.framesRxPriority++;
513 }
514 }
515
516 if (pBuffer)
517 {
518 PVOID headerBuffer = pContext->bUseMergedBuffers ? pBuffersDesc->DataInfo.Virtual:pBuffersDesc->HeaderInfo.Virtual;
526 NdisQueryPacket(Packet, NULL, NULL, NULL, &uTotalLength);
527 *REF_MINIPORT(Packet) = pBuffersDesc;
528 csRes = ParaNdis_CheckRxChecksum(pContext, pHeader->flags, dataBuffer, length);
529 if (csRes.value)
530 {
532 qCSInfo.Value = 0;
533 qCSInfo.Receive.NdisPacketIpChecksumFailed = csRes.flags.IpFailed;
534 qCSInfo.Receive.NdisPacketIpChecksumSucceeded = csRes.flags.IpOK;
535 qCSInfo.Receive.NdisPacketTcpChecksumFailed = csRes.flags.TcpFailed;
536 qCSInfo.Receive.NdisPacketTcpChecksumSucceeded = csRes.flags.TcpOK;
537 qCSInfo.Receive.NdisPacketUdpChecksumFailed = csRes.flags.UdpFailed;
538 qCSInfo.Receive.NdisPacketUdpChecksumSucceeded = csRes.flags.UdpOK;
540 DPrintf(1, ("Reporting CS %X->%X", csRes.value, qCSInfo.Value));
541 }
542
543 DPrintf(4, ("[%s] buffer %p(%d b.)", __FUNCTION__, pBuffersDesc, length));
544 if (!bPrepareOnly)
545 {
547 pContext->MiniportHandle,
548 &Packet,
549 1);
550 }
551 }
552 *pLength = length;
553 }
554 if (!pBuffer)
555 {
556 DPrintf(0, ("[%s] Error: %p(%d b.) with packet %p", __FUNCTION__,
557 pBuffersDesc, length, Packet));
558 Packet = NULL;
559 }
560 if (pNoBuffer)
561 {
562 DPrintf(0, ("[%s] Error: %p(%d b.) with packet %p, buf %p,%p", __FUNCTION__,
563 pBuffersDesc, length, Packet, pBuffer, pNoBuffer));
564 }
565 return Packet;
566}
VOID EXPORT NdisUnchainBufferAtFront(IN OUT PNDIS_PACKET Packet, OUT PNDIS_BUFFER *Buffer)
Definition: buffer.c:1069
#define ETH_PRIORITY_HEADER_OFFSET
Definition: ethernetutils.h:55
#define ETH_PRIORITY_HEADER_SIZE
Definition: ethernetutils.h:56
#define ETH_HAS_PRIO_HEADER(Address)
Definition: ethernetutils.h:41
PVOID dataBuffer
GLuint GLsizei GLsizei * length
Definition: glext.h:6040
FxContextHeader * pHeader
Definition: handleapi.cpp:604
void ParaNdis_PadPacketReceived(PVOID pDataBuffer, PULONG pLength)
tChecksumCheckResult ParaNdis_CheckRxChecksum(PARANDIS_ADAPTER *pContext, ULONG virtioFlags, PVOID pRxPacket, ULONG len)
static BOOLEAN FORCEINLINE IsPrioritySupported(PARANDIS_ADAPTER *pContext)
Definition: ndis56common.h:547
static BOOLEAN FORCEINLINE IsVlanSupported(PARANDIS_ADAPTER *pContext)
Definition: ndis56common.h:542
#define NdisAdjustBufferLength(Buffer, Length)
Definition: ndis.h:3314
@ TcpIpChecksumPacketInfo
Definition: ndis.h:1178
@ Ieee8021QInfo
Definition: ndis.h:1184
unsigned short USHORT
Definition: pedump.c:61
#define STATUS_SUCCESS
Definition: shellext.h:65
struct _NDIS_PACKET_8021Q_INFO::@2106::@2108 TagHeader
struct _NDIS_TCP_IP_CHECKSUM_PACKET_INFO::@2117::@2120 Receive
struct _tagChecksumCheckResult::@994::@996 flags
tCompletePhysicalAddress HeaderInfo
Definition: ndis56common.h:337
tMaxPacketSize MaxPacketSize
Definition: ndis56common.h:398
struct _tagPARANDIS_ADAPTER::@997 extraStatistics
void * PVOID
Definition: typedefs.h:50
uint32_t ULONG_PTR
Definition: typedefs.h:65
#define RtlMoveMemory(Destination, Source, Length)
Definition: typedefs.h:264
unsigned char * PUCHAR
Definition: typedefs.h:53

Referenced by ParaNdis_ProcessRxPath().

◆ ParaNdis_InitialAllocatePhysicalMemory()

BOOLEAN ParaNdis_InitialAllocatePhysicalMemory ( PARANDIS_ADAPTER pContext,
tCompletePhysicalAddress pAddresses 
)

Definition at line 174 of file ParaNdis5-Impl.c.

177{
179 pContext->MiniportHandle,
180 pAddresses->size,
181 (BOOLEAN)pAddresses->IsCached,
182 &pAddresses->Virtual,
183 &pAddresses->Physical);
184 return pAddresses->Virtual != NULL;
185}
VOID EXPORT NdisMAllocateSharedMemory(IN NDIS_HANDLE MiniportAdapterHandle, IN ULONG Length, IN BOOLEAN Cached, OUT PVOID *VirtualAddress, OUT PNDIS_PHYSICAL_ADDRESS PhysicalAddress)
Definition: memory.c:148

Referenced by AllocatePairOfBuffersOnInit(), and ParaNdis_VirtIONetInit().

◆ ParaNdis_OnTransmitBufferReleased()

VOID ParaNdis_OnTransmitBufferReleased ( PARANDIS_ADAPTER pContext,
IONetDescriptor pDesc 
)

Definition at line 688 of file ParaNdis5-Impl.c.

689{
691 if (pEntry)
692 {
693 DPrintf(2, ("[%s] Entry %p (packet %p, %d buffers) ready!", __FUNCTION__, pEntry, pEntry->packet, pDesc->nofUsedBuffers));
695 pDesc->ReferenceValue = NULL;
696 ParaNdis_DebugHistory(pContext, hopBufferSent, pEntry->packet, 0, pContext->nofFreeHardwareBuffers, pContext->nofFreeTxDescriptors);
697 }
698 else
699 {
701 DPrintf(0, ("[%s] ERROR: Send Entry not set!", __FUNCTION__));
702 }
703}
@ hopBufferSent
Definition: DebugData.h:57
if(dx< 0)
Definition: linetemp.h:194

Referenced by ParaNdis_VirtIONetReleaseTransmitBuffers().

◆ ParaNdis_OpenNICConfiguration()

NDIS_HANDLE ParaNdis_OpenNICConfiguration ( PARANDIS_ADAPTER pContext)

Definition at line 98 of file ParaNdis5-Impl.c.

99{
101 NDIS_HANDLE cfg;
102 DEBUG_ENTRY(2);
105 cfg = NULL;
107 return cfg;
108}
VOID EXPORT NdisOpenConfiguration(OUT PNDIS_STATUS Status, OUT PNDIS_HANDLE ConfigurationHandle, IN NDIS_HANDLE WrapperConfigurationContext)
Definition: config.c:197
NDIS_HANDLE WrapperConfigurationHandle
Definition: ndis56common.h:481

Referenced by ReadNicConfiguration().

◆ ParaNdis_PacketCopier()

tCopyPacketResult ParaNdis_PacketCopier ( PNDIS_PACKET  Packet,
PVOID  dest,
ULONG  maxSize,
PVOID  refValue,
BOOLEAN  bPreview 
)

Definition at line 616 of file ParaNdis5-Impl.c.

618{
620 ULONG PriorityDataLong = ((tSendEntry *)refValue)->PriorityDataLong;
622 /* the copier called also for getting Ethernet header
623 for statistics, when the transfer uses SG table */
624 UINT uLength = 0;
625 ULONG nCopied = 0;
626 ULONG ulToCopy = 0;
627 if (bPreview) PriorityDataLong = 0;
629 NULL,
630 NULL,
631 &pBuffer,
632 (PUINT)&ulToCopy);
633
634 if (ulToCopy > maxSize) ulToCopy = bPreview ? maxSize : 0;
635 while (pBuffer && ulToCopy)
636 {
640 &uLength,
642 if (!VirtualAddress)
643 {
644 /* the packet copy failed */
645 nCopied = 0;
646 break;
647 }
648 if(uLength)
649 {
650 // Copy the data.
651 if (uLength > ulToCopy) uLength = ulToCopy;
652 ulToCopy -= uLength;
653 if ((PriorityDataLong & 0xFFFF) &&
654 nCopied < ETH_PRIORITY_HEADER_OFFSET &&
655 (nCopied + uLength) >= ETH_PRIORITY_HEADER_OFFSET)
656 {
657 ULONG ulCopyNow = ETH_PRIORITY_HEADER_OFFSET - nCopied;
659 dest = (PUCHAR)dest + ulCopyNow;
660 VirtualAddress = (PUCHAR)VirtualAddress + ulCopyNow;
661 NdisMoveMemory(dest, &PriorityDataLong, 4);
662 nCopied += 4;
663 dest = (PCHAR)dest + 4;
664 ulCopyNow = uLength - ulCopyNow;
665 if (ulCopyNow) NdisMoveMemory(dest, VirtualAddress, ulCopyNow);
666 dest = (PCHAR)dest + ulCopyNow;
667 nCopied += uLength;
668 }
669 else
670 {
672 nCopied += uLength;
673 dest = (PUCHAR)dest + uLength;
674 }
675 }
677 }
678
679 DEBUG_EXIT_STATUS(4, nCopied);
680 result.size = nCopied;
681 return result;
682}
GLuint64EXT * result
Definition: glext.h:11304
#define PCHAR
Definition: match.c:90
@ NormalPagePriority
Definition: imports.h:56
static char * dest
Definition: rtl.c:135
#define NdisGetNextBuffer(CurrentBuffer, NextBuffer)
Definition: ndis.h:3386
#define NdisQueryBufferSafe(_Buffer, _VirtualAddress, _Length, _Priority)
Definition: ndis.h:5283
#define NdisMoveMemory(Destination, Source, Length)
Definition: ndis.h:3896
_Must_inspect_result_ _In_ WDFDMATRANSACTION _In_ PFN_WDF_PROGRAM_DMA _In_ WDF_DMA_DIRECTION _In_ PMDL _In_ PVOID VirtualAddress

Referenced by ParaNdis_DoCopyPacketData(), ParaNdis_DoSubmitPacket(), ParaNdis_PacketMapper(), and PrepareSendEntry().

◆ ParaNdis_PacketMapper()

VOID ParaNdis_PacketMapper ( PARANDIS_ADAPTER pContext,
PNDIS_PACKET  packet,
PVOID  ReferenceValue,
struct VirtIOBufferDescriptor buffers,
pIONetDescriptor  pDesc,
tMapperResult pMapperResult 
)

Definition at line 743 of file ParaNdis5-Impl.c.

750{
751 tSendEntry *pSendEntry = (tSendEntry *)ReferenceValue;
752 ULONG PriorityDataLong = pSendEntry->PriorityDataLong;
754 SCATTER_GATHER_ELEMENT *pSGElements = pSGList->Elements;
755
756
757 if (pSGList && pSGList->NumberOfElements)
758 {
759 UINT i, lengthGet = 0, lengthPut = 0, nCompleteBuffersToSkip = 0, nBytesSkipInFirstBuffer = 0;
761 lengthGet = pContext->Offload.ipHeaderOffset + MAX_IPV4_HEADER_SIZE + sizeof(TCPHeader);
762 if (PriorityDataLong && !lengthGet)
763 lengthGet = ETH_HEADER_SIZE;
764 if (lengthGet)
765 {
766 ULONG len = 0;
767 for (i = 0; i < pSGList->NumberOfElements; ++i)
768 {
769 len += pSGElements[i].Length;
770 if (len > lengthGet)
771 {
772 nBytesSkipInFirstBuffer = pSGList->Elements[i].Length - (len - lengthGet);
773 break;
774 }
775 DPrintf(2, ("[%s] skipping buffer %d of %d", __FUNCTION__, nCompleteBuffersToSkip, pSGElements[i].Length));
776 nCompleteBuffersToSkip++;
777 }
778 // just for case of UDP packet shorter than TCP header
779 if (lengthGet > len) lengthGet = len;
780 lengthPut = lengthGet + (PriorityDataLong ? ETH_PRIORITY_HEADER_SIZE : 0);
781 }
782
783 if (lengthPut > pDesc->DataInfo.size)
784 {
785 DPrintf(0, ("[%s] ERROR: can not substitute %d bytes, sending as is", __FUNCTION__, lengthPut));
786 nCompleteBuffersToSkip = 0;
787 nBytesSkipInFirstBuffer = 0;
788 lengthGet = lengthPut = 0;
789 }
790
791 if (lengthPut)
792 {
793 // we replace 1 or more HW buffers with one buffer preallocated for data
794 buffers->physAddr = pDesc->DataInfo.Physical;
795 buffers->length = lengthPut;
796 pMapperResult->usBufferSpaceUsed = (USHORT)lengthPut;
797 pMapperResult->ulDataSize += lengthGet;
798 pMapperResult->usBuffersMapped = (USHORT)(pSGList->NumberOfElements - nCompleteBuffersToSkip + 1);
799 pSGElements += nCompleteBuffersToSkip;
800 buffers++;
801 DPrintf(1, ("[%s](%d bufs) skip %d buffers + %d bytes",
802 __FUNCTION__, pSGList->NumberOfElements, nCompleteBuffersToSkip, nBytesSkipInFirstBuffer));
803 }
804 else
805 {
806 pMapperResult->usBuffersMapped = (USHORT)pSGList->NumberOfElements;
807 }
808
809 for (i = nCompleteBuffersToSkip; i < pSGList->NumberOfElements; ++i)
810 {
811 if (nBytesSkipInFirstBuffer)
812 {
813 buffers->physAddr.QuadPart = pSGElements->Address.QuadPart + nBytesSkipInFirstBuffer;
814 buffers->length = pSGElements->Length - nBytesSkipInFirstBuffer;
815 DPrintf(2, ("[%s] using HW buffer %d of %d-%d", __FUNCTION__, i, pSGElements->Length, nBytesSkipInFirstBuffer));
816 nBytesSkipInFirstBuffer = 0;
817 }
818 else
819 {
820 buffers->physAddr = pSGElements->Address;
821 buffers->length = pSGElements->Length;
822 }
823 pMapperResult->ulDataSize += buffers->length;
824 pSGElements++;
825 buffers++;
826 }
827
828 if (lengthPut)
829 {
830 PVOID pBuffer = pDesc->DataInfo.Virtual;
831 PVOID pIpHeader = RtlOffsetToPointer(pBuffer, pContext->Offload.ipHeaderOffset);
832 ParaNdis_PacketCopier(packet, pBuffer, lengthGet, ReferenceValue, TRUE);
833
834 if (pSendEntry->flags & SEND_ENTRY_TSO_USED)
835 {
836 tTcpIpPacketParsingResult packetReview;
837 ULONG dummyTransferSize = 0;
838 USHORT saveBuffers = pMapperResult->usBuffersMapped;
840 pMapperResult->usBuffersMapped = 0;
841 packetReview = ParaNdis_CheckSumVerify(
842 pIpHeader,
843 lengthGet - pContext->Offload.ipHeaderOffset,
844 flags,
846 /* uncomment to verify */
847 /*
848 packetReview = ParaNdis_CheckSumVerify(
849 pIpHeader,
850 lengthGet - pContext->Offload.ipHeaderOffset,
851 pcrIpChecksum | pcrTcpChecksum,
852 __FUNCTION__);
853 */
854 if (packetReview.ipCheckSum == ppresCSOK || packetReview.fixedIpCS)
855 {
856 dummyTransferSize = CalculateTotalOffloadSize(
857 pMapperResult->ulDataSize,
858 pSendEntry->ipTransferUnit,
859 pContext->Offload.ipHeaderOffset,
861 packetReview);
862 }
863 else
864 {
865 DPrintf(0, ("[%s] ERROR locating IP header in %d bytes(IP header of %d)", __FUNCTION__,
866 lengthGet, packetReview.ipHeaderSize));
867 }
869 if (dummyTransferSize)
870 {
871 virtio_net_hdr_basic *pheader = pDesc->HeaderInfo.Virtual;
872 unsigned short addPriorityLen = PriorityDataLong ? ETH_PRIORITY_HEADER_SIZE : 0;
875 pheader->hdr_len = (USHORT)(packetReview.XxpIpHeaderSize + pContext->Offload.ipHeaderOffset) + addPriorityLen;
876 pheader->gso_size = (USHORT)pSendEntry->ipTransferUnit;
877 pheader->csum_start = (USHORT)pContext->Offload.ipHeaderOffset + (USHORT)packetReview.ipHeaderSize + addPriorityLen;
879 pMapperResult->usBuffersMapped = saveBuffers;
880 }
881 }
882 else if (pSendEntry->flags & SEND_ENTRY_IP_CS)
883 {
885 pIpHeader,
886 lengthGet - pContext->Offload.ipHeaderOffset,
889 }
890
891 if (PriorityDataLong && pMapperResult->usBuffersMapped)
892 {
897 );
900 &PriorityDataLong,
902 DPrintf(1, ("[%s] Populated priority value %lX", __FUNCTION__, PriorityDataLong));
903 }
904 }
905 }
906
907}
#define VIRTIO_NET_HDR_GSO_TCPV4
#define VIRTIO_NET_HDR_F_NEEDS_CSUM
static FORCEINLINE ULONG CalculateTotalOffloadSize(ULONG packetSize, ULONG mss, ULONG ipheaderOffset, ULONG maxPossiblePacketSize, tTcpIpPacketParsingResult packetReview)
tCopyPacketResult ParaNdis_PacketCopier(PNDIS_PACKET Packet, PVOID dest, ULONG maxSize, PVOID refValue, BOOLEAN bPreview)
struct _tagTCPHeader TCPHeader
#define MAX_IPV4_HEADER_SIZE
#define TCP_CHECKSUM_OFFSET
GLenum GLsizei len
Definition: glext.h:6722
const GLuint * buffers
Definition: glext.h:5916
@ pcrFixPHChecksum
Definition: ndis56common.h:876
@ pcrFixIPChecksum
Definition: ndis56common.h:875
tTcpIpPacketParsingResult ParaNdis_CheckSumVerify(PVOID buffer, ULONG size, ULONG flags, LPCSTR caller)
Definition: sw-offload.c:565
@ ppresCSOK
Definition: ndis56common.h:830
@ TcpLargeSendPacketInfo
Definition: ndis.h:1180
_In_ ULONG _In_ ULONG _In_ ULONG Length
Definition: ntddpcm.h:102
PHYSICAL_ADDRESS Address
Definition: iotypes.h:2173
USHORT usBuffersMapped
Definition: ndis56common.h:687
USHORT usBufferSpaceUsed
Definition: ndis56common.h:688
tOffloadSettings Offload
Definition: ndis56common.h:470
ULONG PriorityDataLong
ULONG ipTransferUnit
Definition: dhcpd.h:135
LONGLONG QuadPart
Definition: typedefs.h:114

Referenced by ParaNdis_DoSubmitPacket().

◆ ParaNdis_ProcessTx()

BOOLEAN ParaNdis_ProcessTx ( PARANDIS_ADAPTER pContext,
BOOLEAN  IsDpc,
BOOLEAN  IsInterrupt 
)

Definition at line 941 of file ParaNdis5-Impl.c.

945{
946 LIST_ENTRY DoneList;
947 BOOLEAN bDoKick = FALSE;
948 UINT nBuffersSent = 0, nBytesSent = 0;
949 BOOLEAN bDataAvailable = FALSE;
951 ONPAUSECOMPLETEPROC CallbackToCall = NULL;
952 InitializeListHead(&DoneList);
954 NdisAcquireSpinLock(&pContext->SendLock);
955
957 do
958 {
959 if(IsTimeToReleaseTx(pContext))
960 {
961 // release some buffers
963 }
964 pEntry = NULL;
965 if (!IsListEmpty(&pContext->SendQueue))
966 {
969 pEntry = (tSendEntry *)RemoveHeadList(&pContext->SendQueue);
971 bDataAvailable = TRUE;
973 if (result.error == cpeNoBuffer)
974 {
975 // can not send now, try next time
976 InsertHeadList(&pContext->SendQueue, &pEntry->list);
977 pEntry = NULL;
978 }
979 else if (result.error == cpeNoIndirect)
980 {
981 InsertHeadList(&pContext->SendQueue, &pEntry->list);
983 }
984 else
985 {
986 InsertTailList(&pContext->TxWaitingList, &pEntry->list);
987 ParaNdis_DebugHistory(pContext, hopSubmittedPacket, pEntry->packet, 0, result.error, Params.flags);
988 if (!result.size)
989 {
991 DPrintf(0, ("[%s] ERROR %d copying packet!", __FUNCTION__, result.error));
992 if (result.error == cpeTooLarge)
993 {
995 pContext->Statistics.ifOutErrors++;
996 }
999 // do not worry, go to the next one
1000
1001 }
1002 else
1003 {
1004 nBuffersSent++;
1005 nBytesSent += result.size;
1006 DPrintf(2, ("[%s] Scheduled packet %p, entry %p(%d bytes)!", __FUNCTION__,
1007 pEntry->packet, pEntry, result.size));
1008 }
1009 }
1010 }
1011 } while (pEntry);
1012
1013 if (nBuffersSent)
1014 {
1015 if(IsInterrupt)
1016 {
1017 bDoKick = TRUE;
1018 }
1019 else
1020 {
1021#ifdef PARANDIS_TEST_TX_KICK_ALWAYS
1023#else
1024 virtqueue_kick(pContext->NetSendQueue);
1025#endif
1026 }
1027 DPrintf(2, ("[%s] sent down %d p.(%d b.)", __FUNCTION__, nBuffersSent, nBytesSent));
1028 }
1029 else if (bDataAvailable)
1030 {
1031 DPrintf(2, ("[%s] nothing sent", __FUNCTION__));
1032 }
1033
1034 /* now check the waiting list of packets */
1035 while (!IsListEmpty(&pContext->TxWaitingList))
1036 {
1038 if (pEntry->flags & SEND_ENTRY_FLAG_READY)
1039 {
1040 InsertTailList(&DoneList, &pEntry->list);
1041 }
1042 else
1043 {
1044 InsertHeadList(&pContext->TxWaitingList, &pEntry->list);
1045 break;
1046 }
1047 }
1048
1049 if (IsListEmpty(&pContext->TxWaitingList) && pContext->SendState == srsPausing && pContext->SendPauseCompletionProc)
1050 {
1051 CallbackToCall = pContext->SendPauseCompletionProc;
1052 pContext->SendPauseCompletionProc = NULL;
1053 pContext->SendState = srsDisabled;
1054 ParaNdis_DebugHistory(pContext, hopInternalSendPause, NULL, 0, 0, 0);
1055 }
1056 NdisReleaseSpinLock(&pContext->SendLock);
1057
1058 while (!IsListEmpty(&DoneList))
1059 {
1060 pEntry = (tSendEntry *)RemoveHeadList(&DoneList);
1061 CompletePacket(pContext, pEntry->packet);
1062 NdisFreeMemory(pEntry, 0, 0);
1063 }
1064 if (CallbackToCall) CallbackToCall(pContext);
1065
1066 return bDoKick;
1067}
@ hopTxProcess
Definition: DebugData.h:61
@ hopSubmittedPacket
Definition: DebugData.h:56
static void InitializeTransferParameters(tTxOperationParameters *pParams, tSendEntry *pEntry)
void virtqueue_kick(struct virtqueue *vq)
static void virtqueue_kick_always(struct virtqueue *vq)
Definition: VirtIO.h:80
#define InsertHeadList(ListHead, Entry)
UINT ParaNdis_VirtIONetReleaseTransmitBuffers(PARANDIS_ADAPTER *pContext)
@ cpeNoIndirect
Definition: ndis56common.h:490
@ cpeNoBuffer
Definition: ndis56common.h:490
@ cpeTooLarge
Definition: ndis56common.h:490
static BOOLEAN FORCEINLINE IsTimeToReleaseTx(PARANDIS_ADAPTER *pContext)
Definition: ndis56common.h:528
VOID(* ONPAUSECOMPLETEPROC)(VOID *)
Definition: ndis56common.h:150
tCopyPacketResult ParaNdis_DoSubmitPacket(PARANDIS_ADAPTER *pContext, tTxOperationParameters *Params)
#define NDIS_STATUS_BUFFER_OVERFLOW
Definition: ndis.h:464
NDIS_STATISTICS_INFO Statistics
Definition: ndis56common.h:420
struct virtqueue * NetSendQueue
Definition: ndis56common.h:443
_In_ WDFIOTARGET _In_ PWDF_REQUEST_COMPLETION_PARAMS Params
Definition: wdfrequest.h:308

Referenced by ParaNdis5_SendPackets(), and ParaNdis_DPCWorkBody().

◆ ParaNdis_RestoreDeviceConfigurationAfterReset()

void ParaNdis_RestoreDeviceConfigurationAfterReset ( PARANDIS_ADAPTER pContext)

Definition at line 110 of file ParaNdis5-Impl.c.

112{
113
114}

Referenced by ParaNdis_PowerOn().

◆ ParaNdis_SetPowerState()

VOID ParaNdis_SetPowerState ( PARANDIS_ADAPTER pContext,
NDIS_DEVICE_POWER_STATE  newState 
)

Definition at line 140 of file ParaNdis5-Impl.c.

141{
142 //NDIS_DEVICE_POWER_STATE prev = pContext->powerState;
143 pContext->powerState = newState;
144}
NDIS_DEVICE_POWER_STATE powerState
Definition: ndis56common.h:389

Referenced by ParaNdis_CleanupContext(), ParaNdis_FinishInitialization(), ParaNdis_PowerOff(), and ParaNdis_PowerOn().

◆ ParaNdis_SynchronizeWithInterrupt()

BOOLEAN ParaNdis_SynchronizeWithInterrupt ( PARANDIS_ADAPTER pContext,
ULONG  messageId,
tSynchronizedProcedure  procedure,
PVOID  parameter 
)

Definition at line 1464 of file ParaNdis5-Impl.c.

1469{
1470 tSynchronizedContext SyncContext;
1471 SyncContext.pContext = pContext;
1472 SyncContext.Parameter = parameter;
1473 return NdisMSynchronizeWithInterrupt(&pContext->Interrupt, procedure, &SyncContext);
1474}
BOOLEAN EXPORT NdisMSynchronizeWithInterrupt(IN PNDIS_MINIPORT_INTERRUPT Interrupt, IN PVOID SynchronizeFunction, IN PVOID SynchronizeContext)
Definition: miniport.c:2955
PARANDIS_ADAPTER * pContext
Definition: ndis56common.h:499

Referenced by ParaNdis_DPCWorkBody().

◆ ParaNdis_UnbindBufferFromPacket()

void ParaNdis_UnbindBufferFromPacket ( PARANDIS_ADAPTER pContext,
pIONetDescriptor  pBufferDesc 
)

Definition at line 432 of file ParaNdis5-Impl.c.

435{
436 if (pBufferDesc->pHolder)
437 {
439 PNDIS_PACKET Packet = pBufferDesc->pHolder;
440 pBufferDesc->pHolder = NULL;
442 if (pBuffer)
443 {
446 }
448 }
449}

Referenced by VirtIONetFreeBufferDescriptor().

◆ PrepareSendEntry()

static __inline tSendEntry * PrepareSendEntry ( PARANDIS_ADAPTER pContext,
PNDIS_PACKET  Packet,
ULONG  len 
)
static

Definition at line 1089 of file ParaNdis5-Impl.c.

1090{
1093 LPCSTR errorFmt = NULL;
1094 LPCSTR offloadName = "NO offload";
1095 tSendEntry *pse = (tSendEntry *)ParaNdis_AllocateMemory(pContext, sizeof(tSendEntry));
1096 if (pse)
1097 {
1099 pse->packet = Packet;
1100 pse->flags = 0;
1101 pse->PriorityDataLong = 0;
1102 pse->ipTransferUnit = len;
1103 //pse->fullTCPCheckSum = 0;
1104 qInfo.Value = pContext->ulPriorityVlanSetting ?
1106 if (!qInfo.TagHeader.VlanId) qInfo.TagHeader.VlanId = pContext->VlanId;
1107 if (qInfo.TagHeader.CanonicalFormatId || !IsValidVlanId(pContext, qInfo.TagHeader.VlanId))
1108 {
1109 DPrintf(0, ("[%s] Discarding priority tag %p", __FUNCTION__, qInfo.Value));
1110 errorFmt = "invalid priority tag";
1111 }
1112 else if (qInfo.Value)
1113 {
1114 // ignore priority, if configured
1115 if (!IsPrioritySupported(pContext))
1116 qInfo.TagHeader.UserPriority = 0;
1117 // ignore VlanId, if specified
1118 if (!IsVlanSupported(pContext))
1119 qInfo.TagHeader.VlanId = 0;
1120 SetPriorityData(pse->PriorityData, qInfo.TagHeader.UserPriority, qInfo.TagHeader.VlanId);
1121 DPrintf(1, ("[%s] Populated priority tag %p", __FUNCTION__, qInfo.Value));
1122 }
1123
1124 if (!errorFmt && !mss && len > pContext->MaxPacketSize.nMaxFullSizeOS)
1125 {
1126 DPrintf(0, ("[%s] Request for offload with NO MSS, lso %d, ipheader %d",
1127 __FUNCTION__, pContext->Offload.flags.fTxLso, pContext->Offload.ipHeaderOffset));
1128 if (pContext->Offload.flags.fTxLso && pContext->Offload.ipHeaderOffset)
1129 {
1130 mss = pContext->MaxPacketSize.nMaxFullSizeOS;
1131 }
1132 else
1133 errorFmt = "illegal LSO request";
1134 }
1135
1136 if (errorFmt)
1137 {
1138 // already failed
1139 }
1140 else if (mss > pContext->MaxPacketSize.nMaxFullSizeOS)
1141 errorFmt = "mss is too big";
1142 else if (len > 0xFFFF)
1143 errorFmt = "packet is bigger than we able to send";
1144 else if (mss && pContext->Offload.flags.fTxLso)
1145 {
1146 offloadName = "LSO";
1147 pse->ipTransferUnit = mss;
1148 pse->flags |= SEND_ENTRY_TSO_USED;
1149 // todo: move to common space
1150 // to transmit 'len' with 'mss' we usually need 2 additional buffers
1151 if ((len / mss + 3) > pContext->maxFreeHardwareBuffers)
1152 errorFmt = "packet too big to fragment";
1153 else if (len < pContext->Offload.ipHeaderOffset)
1154 errorFmt = "ip offset is bigger than packet";
1156 errorFmt = "attempt to offload non-IP packet";
1157 else if (mss < pContext->Offload.ipHeaderOffset)
1158 errorFmt = "mss is too small";
1159 }
1160 else
1161 {
1162 // unexpected CS requests we do not fail - WHQL expects us to send them as is
1165 if (csInfo.Transmit.NdisPacketChecksumV4)
1166 {
1167 if (csInfo.Transmit.NdisPacketTcpChecksum)
1168 {
1169 offloadName = "TCP CS";
1170 if (pContext->Offload.flags.fTxTCPChecksum)
1171 pse->flags |= SEND_ENTRY_TCP_CS;
1172 else
1173 errorFmt = "TCP CS requested but not enabled";
1174 }
1175 if (csInfo.Transmit.NdisPacketUdpChecksum)
1176 {
1177 offloadName = "UDP CS";
1178 if (pContext->Offload.flags.fTxUDPChecksum)
1179 pse->flags |= SEND_ENTRY_UDP_CS;
1180 else
1181 errorFmt = "UDP CS requested but not enabled";
1182 }
1183 if (csInfo.Transmit.NdisPacketIpChecksum)
1184 {
1185 if (pContext->Offload.flags.fTxIPChecksum)
1186 pse->flags |= SEND_ENTRY_IP_CS;
1187 else
1188 errorFmt = "IP CS requested but not enabled";
1189 }
1190 if (errorFmt)
1191 {
1192 DPrintf(0, ("[%s] ERROR: %s (len %d)", __FUNCTION__, errorFmt, len));
1193 errorFmt = NULL;
1194 }
1195 }
1196 }
1197 }
1198
1199 if (errorFmt)
1200 {
1201 DPrintf(0, ("[%s] ERROR: %s (len %d, mss %d)", __FUNCTION__, errorFmt, len, mss));
1202 if (pse) NdisFreeMemory(pse, 0, 0);
1203 pse = NULL;
1204 }
1205 else
1206 {
1208 DPrintf(1, ("[%s] Sending packet of %d with %s", __FUNCTION__, len, offloadName));
1209 if (pContext->bDoIPCheckTx)
1210 {
1212 VOID *pcopy = ParaNdis_AllocateMemory(pContext, len);
1213 ParaNdis_PacketCopier(pse->packet, pcopy, len, pse, TRUE);
1215 RtlOffsetToPointer(pcopy, pContext->Offload.ipHeaderOffset),
1216 len,
1217 pcrAnyChecksum/* | pcrFixAnyChecksum*/,
1218 __FUNCTION__);
1219 /*
1220 if (res.xxpStatus == ppresXxpKnown)
1221 {
1222 TCPHeader *ptcp = (TCPHeader *)
1223 RtlOffsetToPointer(pcopy, pContext->Offload.ipHeaderOffset + res.ipHeaderSize);
1224 pse->fullTCPCheckSum = ptcp->tcp_xsum;
1225 }
1226 */
1227 NdisFreeMemory(pcopy, 0, 0);
1228 }
1229 }
1230 return pse;
1231}
PVOID ParaNdis_AllocateMemory(PARANDIS_ADAPTER *pContext, ULONG ulRequiredSize)
static void FORCEINLINE SetPriorityData(UCHAR *pDest, ULONG priority, ULONG VlanID)
Definition: ethernetutils.h:59
@ pcrAnyChecksum
Definition: ndis56common.h:872
static BOOLEAN FORCEINLINE IsValidVlanId(PARANDIS_ADAPTER *pContext, ULONG VlanID)
Definition: ndis56common.h:537
struct _NDIS_TCP_IP_CHECKSUM_PACKET_INFO::@2117::@2119 Transmit
tOffloadSettingsFlags flags
Definition: ndis56common.h:237
PNDIS_PACKET packet
UCHAR PriorityData[4]
const char * LPCSTR
Definition: xmlstorage.h:183

Referenced by ParaNdis5_SendPackets().