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1619 lines
59 KiB
1619 lines
59 KiB
/***************************************************************************
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Copyright (c) 1999 Microsoft Corporation
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Module Name:
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SEND.C
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Abstract:
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Multiple packet send routines for Remote NDIS Miniport driver
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Environment:
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kernel mode only
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Notes:
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THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF ANY
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KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A PARTICULAR
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PURPOSE.
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Copyright (c) 1999 Microsoft Corporation. All Rights Reserved.
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Revision History:
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5/13/99 : created
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Author:
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Tom Green
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****************************************************************************/
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#include "precomp.h"
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ULONG MdlsAllocated = 0;
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ULONG PktWrapperAllocated = 0;
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ULONG SndPacketCount = 0;
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ULONG SndTimerCount = 0;
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ULONG SndMaxPackets = 0;
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BOOLEAN FirstDbg = FALSE;
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BOOLEAN PrintPkts = FALSE;
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/****************************************************************************/
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/* RndismpMultipleSend */
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/****************************************************************************/
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/* */
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/* Routine Description: */
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/* */
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/* NDIS Entry point to send an array of NDIS packets on the specified */
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/* adapter. */
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/* */
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/* Arguments: */
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/* */
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/* MiniportAdapterContext - a context version of our Adapter pointer */
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/* PacketArray - An array of pointers to NDIS packets */
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/* NumberOfPackets - Number of packets in array */
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/* */
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/* Return: */
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/* */
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/* VOID */
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/* */
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/****************************************************************************/
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VOID
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RndismpMultipleSend(IN NDIS_HANDLE MiniportAdapterContext,
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IN PPNDIS_PACKET PacketArray,
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IN UINT NumberOfPackets)
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{
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PRNDISMP_ADAPTER pAdapter;
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PNDIS_PACKET pNdisPacket;
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PRNDISMP_SEND_PKT_RESERVED_TEMP pSendRsvdTemp;
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ULONG i;
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// get adapter context
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pAdapter = PRNDISMP_ADAPTER_FROM_CONTEXT_HANDLE(MiniportAdapterContext);
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CHECK_VALID_ADAPTER(pAdapter);
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TRACE2(("RndismpMultipleSend\n"));
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if (pAdapter->bRunningOnWin9x)
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{
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RNDISMP_ACQUIRE_ADAPTER_LOCK(pAdapter);
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for (i = 0; i < NumberOfPackets; i++)
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{
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pNdisPacket = PacketArray[i];
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pSendRsvdTemp = PRNDISMP_RESERVED_TEMP_FROM_SEND_PACKET(pNdisPacket);
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InsertTailList(&pAdapter->PendingSendProcessList, &pSendRsvdTemp->Link);
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}
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if (!pAdapter->SendProcessInProgress)
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{
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pAdapter->SendProcessInProgress = TRUE;
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NdisSetTimer(&pAdapter->SendProcessTimer, 0);
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}
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RNDISMP_RELEASE_ADAPTER_LOCK(pAdapter);
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}
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else
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{
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//
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// Running on NT.
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//
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ASSERT(pAdapter->MultipleSendFunc != NULL);
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pAdapter->MultipleSendFunc(pAdapter,
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NULL,
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PacketArray,
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NumberOfPackets);
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}
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}
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/****************************************************************************/
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/* DoMultipleSend */
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/****************************************************************************/
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/* */
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/* Routine Description: */
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/* */
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/* NDIS Entry point to send an array of NDIS packets on the specified */
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/* adapter. Handles both connection-less and connection-oriented data. */
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/* */
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/* Arguments: */
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/* */
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/* pAdapter - pointer to Adapter structure */
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/* pVc - pointer to VC structure (NULL if CL send) */
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/* PacketArray - An array of pointers to NDIS packets */
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/* NumberOfPackets - Number of packets in array */
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/* */
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/* Return: */
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/* */
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/* VOID */
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/* */
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/****************************************************************************/
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VOID
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DoMultipleSend(IN PRNDISMP_ADAPTER pAdapter,
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IN PRNDISMP_VC pVc OPTIONAL,
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IN PPNDIS_PACKET PacketArray,
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IN UINT NumberOfPackets)
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{
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UINT PacketCount;
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PNDIS_PACKET pNdisPacket;
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PNDIS_PACKET * pPacketArray;
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PNDIS_PACKET * pPktPointer;
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PRNDISMP_SEND_PKT_RESERVED pResvd, pPrevResvd;
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PRNDISMP_MESSAGE_FRAME pMsgFrame;
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PRNDISMP_PACKET_WRAPPER pPktWrapper;
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PMDL pMdl;
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ULONG TotalMessageLength; // of current message
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ULONG MessagePacketCount; // # of NDIS_PACKETS in this message
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ULONG CurPacketLength;
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PULONG pNextPacketOffset;
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NDIS_STATUS Status;
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ULONG i;
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BOOLEAN bMorePackets;
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pNextPacketOffset = NULL;
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pMsgFrame = NULL;
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Status = NDIS_STATUS_SUCCESS;
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PacketCount = 0;
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do
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{
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if (pAdapter->Halting)
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{
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Status = NDIS_STATUS_NOT_ACCEPTED;
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break;
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}
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pPacketArray = &PacketArray[0];
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#if DBG
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if (NumberOfPackets > 1)
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{
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if (FirstDbg)
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{
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FirstDbg = FALSE;
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PrintPkts = TRUE;
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}
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else
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{
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PrintPkts = FALSE;
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}
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}
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#endif
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for (PacketCount = 0;
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PacketCount < NumberOfPackets;
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NOTHING)
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{
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pNdisPacket = *pPacketArray;
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NdisQueryPacket(pNdisPacket, NULL, NULL, NULL, &CurPacketLength);
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TRACE2(("Send: Pkt %d bytes\n", CurPacketLength));
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bMorePackets = (pAdapter->bMultiPacketSupported &&
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(PacketCount < NumberOfPackets - 1));
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if (pMsgFrame == NULL)
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{
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//
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// Allocate a frame.
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//
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pMsgFrame = AllocateMsgFrame(pAdapter);
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if (pMsgFrame == NULL)
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{
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Status = NDIS_STATUS_RESOURCES;
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break;
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}
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pMsgFrame->NdisMessageType = REMOTE_NDIS_PACKET_MSG;
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pMsgFrame->pVc = pVc;
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pMsgFrame->pNdisPacket = NULL;
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pPktPointer = &pMsgFrame->pNdisPacket;
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TotalMessageLength = 0;
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MessagePacketCount = 0;
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pPrevResvd = NULL;
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}
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//
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// Allocate and fill up the RNDIS message header for this packet.
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//
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pPktWrapper = PrepareDataMessage(
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pNdisPacket,
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pAdapter,
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pVc,
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&TotalMessageLength);
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if (pPktWrapper != NULL)
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{
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pPktWrapper->pMsgFrame = pMsgFrame;
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pMdl = pPktWrapper->pHeaderMdl;
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//
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// Initialize our context in this packet.
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//
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pResvd = PRNDISMP_RESERVED_FROM_SEND_PACKET(pNdisPacket);
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pResvd->pPktWrapper = pPktWrapper;
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pResvd->pNext = NULL;
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if (pMsgFrame->pMessageMdl == NULL)
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{
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pMsgFrame->pMessageMdl = pMdl;
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}
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//
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// Link this packet to the list.
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//
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*pPktPointer = pNdisPacket;
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MessagePacketCount++;
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if (pPrevResvd != NULL)
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{
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pPrevResvd->pPktWrapper->pTailMdl->Next = pMdl;
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}
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}
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if ((pPktWrapper == NULL) ||
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(!bMorePackets) ||
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(MessagePacketCount == pAdapter->MaxPacketsPerMessage))
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{
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//
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// Check if we have some data that we can send.
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//
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if (MessagePacketCount != 0)
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{
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//
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// Send this off to the microport.
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//
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#if DBG
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if (NumberOfPackets != 1)
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{
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TRACE2(("Send: MsgFrame %x, FirstPkt %x, %d/%d pkts\n",
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pMsgFrame,
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pMsgFrame->pNdisPacket,
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MessagePacketCount,
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NumberOfPackets));
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}
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{
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PMDL pTmpMdl;
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PUCHAR pBuf;
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ULONG Length;
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for (pTmpMdl = pMsgFrame->pMessageMdl;
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pTmpMdl != NULL;
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pTmpMdl = pTmpMdl->Next)
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{
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Length = MmGetMdlByteCount(pTmpMdl);
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pBuf = MmGetSystemAddressForMdl(pTmpMdl);
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TRACEDUMP(("MDL %x\n", pTmpMdl), pBuf, Length);
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}
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}
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#endif // DBG
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{
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ULONG k;
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for (k = 0; k < MessagePacketCount; k++)
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{
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RNDISMP_INCR_STAT(pAdapter, XmitToMicroport);
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}
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}
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RNDISMP_SEND_TO_MICROPORT(pAdapter, pMsgFrame, FALSE, CompleteSendData);
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MessagePacketCount = 0;
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pMsgFrame = NULL;
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if (pPktWrapper != NULL)
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{
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PacketCount++;
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pPacketArray++;
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}
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continue;
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}
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else
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{
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TRACE1(("RndismpMultipleSend: Adapter %x, fail: PktWrp %x, bMore %d, MsgPktCount %d\n",
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pAdapter,
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pPktWrapper,
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bMorePackets,
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MessagePacketCount));
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Status = NDIS_STATUS_RESOURCES;
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break;
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}
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}
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pPktPointer = &pResvd->pNext;
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pPrevResvd = pResvd;
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PacketCount++;
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pPacketArray++;
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}
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if (PacketCount < NumberOfPackets)
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{
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break;
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}
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Status = NDIS_STATUS_SUCCESS;
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}
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while (FALSE);
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if (Status != NDIS_STATUS_SUCCESS)
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{
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TRACE1(("DoMultipleSend: Adapter %x, failure Status %x, PktCount %d, TotalPkts %d\n",
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pAdapter, Status, PacketCount, NumberOfPackets));
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//
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// Undo all we have done so far.
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//
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for (i = PacketCount; i < NumberOfPackets; i++)
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{
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RNDISMP_INCR_STAT(pAdapter, XmitError);
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if (pVc == NULL)
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{
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TRACE1(("DoMultipleSend: Adapter %x, failing pkt %x\n",
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pAdapter, PacketArray[i]));
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NdisMSendComplete(pAdapter->MiniportAdapterHandle,
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PacketArray[i],
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Status);
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}
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else
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{
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CompleteSendDataOnVc(pVc, PacketArray[i], Status);
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}
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}
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if (pMsgFrame)
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{
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pMsgFrame->pMessageMdl = NULL;
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DereferenceMsgFrame(pMsgFrame);
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}
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}
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return;
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}
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/****************************************************************************/
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/* DoMultipleSendRaw */
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/****************************************************************************/
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/* */
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/* Routine Description: */
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/* */
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/* NDIS Entry point to send an array of NDIS packets on the specified */
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/* adapter. Unlike DoMultipleSend, this handles raw encapsulation. */
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/* */
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/* Arguments: */
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/* */
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/* pAdapter - pointer to Adapter structure */
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/* pVc - pointer to VC structure (NULL if CL send) */
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/* PacketArray - An array of pointers to NDIS packets */
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/* NumberOfPackets - Number of packets in array */
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/* */
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/* Return: */
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/* */
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/* VOID */
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/* */
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/****************************************************************************/
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VOID
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DoMultipleSendRaw(IN PRNDISMP_ADAPTER pAdapter,
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IN PRNDISMP_VC pVc OPTIONAL,
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IN PPNDIS_PACKET PacketArray,
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IN UINT NumberOfPackets)
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{
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UINT PacketCount;
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PNDIS_PACKET pNdisPacket;
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PNDIS_PACKET * pPacketArray;
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PNDIS_PACKET * pPktPointer;
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PRNDISMP_SEND_PKT_RESERVED pResvd, pPrevResvd;
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PRNDISMP_MESSAGE_FRAME pMsgFrame;
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PRNDISMP_PACKET_WRAPPER pPktWrapper;
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PMDL pMdl;
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ULONG TotalMessageLength; // of current message
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ULONG MessagePacketCount; // # of NDIS_PACKETS in this message
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ULONG CurPacketLength;
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PULONG pNextPacketOffset;
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NDIS_STATUS Status;
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ULONG i;
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BOOLEAN bMorePackets;
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pNextPacketOffset = NULL;
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pMsgFrame = NULL;
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Status = NDIS_STATUS_SUCCESS;
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PacketCount = 0;
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if (pAdapter->Halting)
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{
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Status = NDIS_STATUS_NOT_ACCEPTED;
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} else
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{
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pPacketArray = &PacketArray[0];
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#if DBG
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if (NumberOfPackets > 1)
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{
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if (FirstDbg)
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{
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FirstDbg = FALSE;
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PrintPkts = TRUE;
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}
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else
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{
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PrintPkts = FALSE;
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}
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}
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#endif
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for (PacketCount = 0;
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PacketCount < NumberOfPackets;
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NOTHING)
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{
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pNdisPacket = *pPacketArray;
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NdisQueryPacket(pNdisPacket, NULL, NULL, NULL, &CurPacketLength);
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TRACE2(("Send: Pkt %d bytes\n", CurPacketLength));
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//
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// Allocate a frame.
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//
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pMsgFrame = AllocateMsgFrame(pAdapter);
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if (pMsgFrame == NULL)
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{
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Status = NDIS_STATUS_RESOURCES;
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break;
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}
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pMsgFrame->NdisMessageType = REMOTE_NDIS_PACKET_MSG;
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pMsgFrame->pNdisPacket = pNdisPacket;
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NdisQueryPacket(pNdisPacket,NULL,NULL,&(pMsgFrame->pMessageMdl),NULL);
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TotalMessageLength = 0;
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pPktWrapper = PrepareDataMessageRaw(
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pNdisPacket,
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pAdapter,
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&TotalMessageLength);
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if (pPktWrapper != NULL)
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{
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pPktWrapper->pMsgFrame = pMsgFrame;
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pMdl = pPktWrapper->pHeaderMdl;
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pResvd = PRNDISMP_RESERVED_FROM_SEND_PACKET(pNdisPacket);
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pResvd->pPktWrapper = pPktWrapper;
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pResvd->pNext = NULL;
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pMsgFrame->pMessageMdl = pMdl;
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#ifdef DBG
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TRACE2(("Send: MsgFrame %x, Pkt %x\n",pMsgFrame, pMsgFrame->pNdisPacket));
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#endif
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RNDISMP_INCR_STAT(pAdapter,XmitToMicroport);
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RNDISMP_SEND_TO_MICROPORT(pAdapter,pMsgFrame,FALSE,CompleteSendData);
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}
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PacketCount++;
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}
|
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}
|
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|
|
|
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if (Status != NDIS_STATUS_SUCCESS)
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{
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TRACE1(("DoMultipleSendRaw: Adapter %x, failure Status %x, PktCount %d, TotalPkts %d\n",
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pAdapter, Status, PacketCount, NumberOfPackets));
|
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|
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//
|
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// Undo all we have done so far.
|
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//
|
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for (i = PacketCount; i < NumberOfPackets; i++)
|
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{
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RNDISMP_INCR_STAT(pAdapter, XmitError);
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TRACE1(("DoMultipleSendRaw: Adapter %x, failing pkt %x\n",
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pAdapter, PacketArray[i]));
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NdisMSendComplete(pAdapter->MiniportAdapterHandle,
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PacketArray[i],
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Status);
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}
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|
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if (pMsgFrame)
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{
|
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pMsgFrame->pMessageMdl = NULL;
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DereferenceMsgFrame(pMsgFrame);
|
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}
|
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|
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}
|
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|
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return;
|
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}
|
|
|
|
/****************************************************************************/
|
|
/* PrepareDataMessage */
|
|
/****************************************************************************/
|
|
/* */
|
|
/* Routine Description: */
|
|
/* */
|
|
/* Utility routine to prepare a complete or part of a data message. */
|
|
/* */
|
|
/* Arguments: */
|
|
/* */
|
|
/* pNdisPacket - the NDIS packet to be converted */
|
|
/* pAdapter - Adapter on which the packet is being sent */
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|
/* pVc - VC on which the packet is sent (NULL if no VC context) */
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|
/* pTotalMessageLength - On input, contains the total message length */
|
|
/* filled in so far. Updated on output. */
|
|
/* */
|
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/* */
|
|
/* Return: */
|
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/* */
|
|
/* PRNDISMP_PACKET_WRAPPER */
|
|
/* */
|
|
/****************************************************************************/
|
|
PRNDISMP_PACKET_WRAPPER
|
|
PrepareDataMessage(IN PNDIS_PACKET pNdisPacket,
|
|
IN PRNDISMP_ADAPTER pAdapter,
|
|
IN PRNDISMP_VC pVc OPTIONAL,
|
|
IN OUT PULONG pTotalMessageLength)
|
|
{
|
|
PMDL pMdl, pNextMdl;
|
|
PMDL * ppNextMdl;
|
|
PRNDISMP_PACKET_WRAPPER pPktWrapper;
|
|
RNDIS_MESSAGE UNALIGNED * pRndisMessage;
|
|
RNDIS_PACKET UNALIGNED * pPacketMsg;
|
|
PNDIS_BUFFER pNdisBuffer;
|
|
PNDIS_BUFFER pNextNdisBuffer;
|
|
ULONG TotalMessageLength;
|
|
ULONG PacketMsgLength;
|
|
ULONG OobDataLength;
|
|
ULONG PerPacketInfoLength;
|
|
ULONG AlignedLength;
|
|
ULONG AlignmentOffset;
|
|
ULONG TotalDataLength;
|
|
ULONG TcpipChecksum, TcpLargeSend, PacketPriority;
|
|
NDIS_STATUS Status = NDIS_STATUS_SUCCESS;
|
|
|
|
pPktWrapper = NULL;
|
|
pMdl = NULL;
|
|
|
|
do
|
|
{
|
|
TotalMessageLength = 0;
|
|
|
|
RNDISMP_GET_ALIGNED_LENGTH(AlignedLength, *pTotalMessageLength, pAdapter);
|
|
AlignmentOffset = (AlignedLength - *pTotalMessageLength);
|
|
|
|
//
|
|
// Compute attachments. Zero for now.
|
|
// TBD -- do the real thing.
|
|
//
|
|
OobDataLength = 0;
|
|
PerPacketInfoLength = 0;
|
|
|
|
//
|
|
// Look for per-packet info elements, only on Win2K/Whistler.
|
|
//
|
|
if (!pAdapter->bRunningOnWin9x)
|
|
{
|
|
//
|
|
// TCP/IP checksum offload?
|
|
//
|
|
TcpipChecksum = PtrToUlong(NDIS_PER_PACKET_INFO_FROM_PACKET(pNdisPacket, TcpIpChecksumPacketInfo));
|
|
if (TcpipChecksum != 0)
|
|
{
|
|
PerPacketInfoLength += sizeof(RNDIS_PER_PACKET_INFO) + sizeof(ULONG);
|
|
TRACE1(("Send: Pkt %p has TCP checksum %x\n",
|
|
pNdisPacket, TcpipChecksum));
|
|
}
|
|
|
|
//
|
|
// TCP large send offload?
|
|
//
|
|
TcpLargeSend = PtrToUlong(NDIS_PER_PACKET_INFO_FROM_PACKET(pNdisPacket, TcpLargeSendPacketInfo));
|
|
if (TcpLargeSend != 0)
|
|
{
|
|
PerPacketInfoLength += sizeof(RNDIS_PER_PACKET_INFO) + sizeof(ULONG);
|
|
TRACE1(("Send: Pkt %p has TCP large send %x\n",
|
|
pNdisPacket, TcpLargeSend));
|
|
}
|
|
|
|
//
|
|
// Packet priority?
|
|
//
|
|
PacketPriority = PtrToUlong(NDIS_PER_PACKET_INFO_FROM_PACKET(pNdisPacket, Ieee8021pPriority));
|
|
if (PacketPriority != 0)
|
|
{
|
|
PerPacketInfoLength += sizeof(RNDIS_PER_PACKET_INFO) + sizeof(ULONG);
|
|
TRACE1(("Send: Pkt %p has priority %x\n",
|
|
pNdisPacket, PacketPriority));
|
|
}
|
|
}
|
|
|
|
PacketMsgLength = sizeof(*pPacketMsg) +
|
|
OobDataLength +
|
|
PerPacketInfoLength +
|
|
AlignmentOffset;
|
|
|
|
//
|
|
// Need space for common RNDIS message header.
|
|
//
|
|
PacketMsgLength += (sizeof(RNDIS_MESSAGE) - sizeof(RNDIS_MESSAGE_CONTAINER));
|
|
|
|
NdisQueryPacket(pNdisPacket, NULL, NULL, NULL, &TotalDataLength);
|
|
|
|
//
|
|
// We know the max transfer size of any message that we are allowed
|
|
// to send to the device. Is this going beyond that limit?
|
|
//
|
|
if (*pTotalMessageLength + PacketMsgLength + TotalDataLength >
|
|
pAdapter->MaxTransferSize)
|
|
{
|
|
TRACE2(("PrepareDataMessage: Adapter %x, pkt %x, length %d > device limit (%d)\n",
|
|
pAdapter,
|
|
pNdisPacket,
|
|
*pTotalMessageLength + PacketMsgLength + TotalDataLength,
|
|
pAdapter->MaxTransferSize));
|
|
break;
|
|
}
|
|
|
|
//
|
|
// Allocate an RNDIS_PACKET buffer.
|
|
//
|
|
pPktWrapper = AllocatePacketMsgWrapper(pAdapter, PacketMsgLength);
|
|
|
|
if (pPktWrapper == NULL)
|
|
{
|
|
TRACE1(("PrepareDataMessage: failed to alloc wrapper, Adapter %x, Length %d\n", pAdapter, PacketMsgLength));
|
|
ASSERT(FALSE);
|
|
Status = NDIS_STATUS_RESOURCES;
|
|
break;
|
|
}
|
|
|
|
pPktWrapper->pNdisPacket = pNdisPacket;
|
|
pPktWrapper->pVc = pVc;
|
|
pRndisMessage = (PRNDIS_MESSAGE)
|
|
((ULONG_PTR)&pPktWrapper->Packet[0] + AlignmentOffset);
|
|
|
|
pPacketMsg = (PRNDIS_PACKET)(&pRndisMessage->Message);
|
|
pRndisMessage->NdisMessageType = REMOTE_NDIS_PACKET_MSG;
|
|
|
|
if (pVc == NULL)
|
|
{
|
|
pPacketMsg->VcHandle = 0;
|
|
}
|
|
else
|
|
{
|
|
pPacketMsg->VcHandle = pVc->DeviceVcContext;
|
|
}
|
|
|
|
#if DBG
|
|
if (PrintPkts)
|
|
{
|
|
TRACE1((" Offs %d/x%x AlignOff %d/x%x, DataLen %d/x%x\n",
|
|
*pTotalMessageLength, *pTotalMessageLength,
|
|
AlignmentOffset, AlignmentOffset,
|
|
TotalDataLength, TotalDataLength));
|
|
}
|
|
#endif // DBG
|
|
|
|
//
|
|
// Allocate MDLs for the RNDIS_PACKET header and for each
|
|
// component NDIS buffer in the packet.
|
|
//
|
|
pMdl = IoAllocateMdl(
|
|
&pPktWrapper->Packet[0],
|
|
PacketMsgLength,
|
|
FALSE,
|
|
FALSE,
|
|
NULL);
|
|
|
|
|
|
if (pMdl == NULL)
|
|
{
|
|
TRACE1(("PrepareDataMsg: Adapter %x failed to alloc MDL for header\n", pAdapter));
|
|
Status = NDIS_STATUS_RESOURCES;
|
|
TRACE1(("PrepareDataMsg: outstanding MDL count %d, at %x\n", MdlsAllocated, &MdlsAllocated));
|
|
ASSERT(FALSE);
|
|
break;
|
|
}
|
|
|
|
NdisInterlockedIncrement(&MdlsAllocated);
|
|
|
|
MmBuildMdlForNonPagedPool(pMdl);
|
|
|
|
pMdl->Next = NULL;
|
|
pPktWrapper->pHeaderMdl = pMdl;
|
|
ppNextMdl = &pMdl->Next;
|
|
|
|
TRACE2(("PrepareDataMsg: NdisPkt %x, PacketMsgLen %d, TotalDatalen %d, Mdl %x, pRndisMessage %x\n",
|
|
pNdisPacket, PacketMsgLength, TotalDataLength, pMdl, pRndisMessage));
|
|
|
|
TotalDataLength = 0;
|
|
|
|
for (pNdisBuffer = pNdisPacket->Private.Head;
|
|
pNdisBuffer != NULL;
|
|
pNdisBuffer = pNextNdisBuffer)
|
|
{
|
|
PVOID VirtualAddress;
|
|
UINT BufferLength;
|
|
|
|
NdisGetNextBuffer(pNdisBuffer, &pNextNdisBuffer);
|
|
|
|
#ifndef BUILD_WIN9X
|
|
NdisQueryBufferSafe(pNdisBuffer, &VirtualAddress, &BufferLength, NormalPagePriority);
|
|
if ((BufferLength != 0) && (VirtualAddress == NULL))
|
|
{
|
|
TRACE1(("PrepareDataMsg: Adapter %x failed to query buffer %p, Pkt %p\n",
|
|
pAdapter, pNdisBuffer, pNdisPacket));
|
|
Status = NDIS_STATUS_RESOURCES;
|
|
break;
|
|
}
|
|
#else
|
|
NdisQueryBuffer(pNdisBuffer, &VirtualAddress, &BufferLength);
|
|
#endif // BUILD_WIN9X
|
|
|
|
//
|
|
// Skip any 0-length buffers given to us by IP or NDISTEST
|
|
//
|
|
if (BufferLength != 0)
|
|
{
|
|
TotalDataLength += BufferLength;
|
|
|
|
pMdl = IoAllocateMdl(
|
|
VirtualAddress,
|
|
BufferLength,
|
|
FALSE,
|
|
FALSE,
|
|
NULL);
|
|
|
|
if (pMdl == NULL)
|
|
{
|
|
TRACE1(("PrepareDataMsg: Adapter %x failed to alloc MDL\n", pAdapter));
|
|
Status = NDIS_STATUS_RESOURCES;
|
|
TRACE1(("PrepareDataMsg: outstanding MDL count %d, at %x\n", MdlsAllocated, &MdlsAllocated));
|
|
ASSERT(FALSE);
|
|
break;
|
|
}
|
|
|
|
NdisInterlockedIncrement(&MdlsAllocated);
|
|
|
|
MmBuildMdlForNonPagedPool(pMdl);
|
|
*ppNextMdl = pMdl;
|
|
ppNextMdl = &pMdl->Next;
|
|
|
|
pMdl->Next = NULL;
|
|
}
|
|
}
|
|
|
|
if (pNdisBuffer != NULL)
|
|
{
|
|
//
|
|
// We bailed out before reaching the end of the list.
|
|
//
|
|
break;
|
|
}
|
|
|
|
*ppNextMdl = NULL;
|
|
pPktWrapper->pTailMdl = pMdl;
|
|
|
|
TotalMessageLength += (PacketMsgLength + TotalDataLength);
|
|
pRndisMessage->MessageLength = PacketMsgLength + TotalDataLength;
|
|
|
|
*pTotalMessageLength += TotalMessageLength;
|
|
|
|
//
|
|
// Fill in the RNDIS_PACKET message completely now.
|
|
//
|
|
pPacketMsg->DataOffset = sizeof(RNDIS_PACKET) + OobDataLength + PerPacketInfoLength;
|
|
pPacketMsg->DataLength = TotalDataLength;
|
|
|
|
if (PerPacketInfoLength)
|
|
{
|
|
PRNDIS_PER_PACKET_INFO pPerPacketInfo;
|
|
|
|
pPacketMsg->PerPacketInfoOffset = sizeof(RNDIS_PACKET);
|
|
pPacketMsg->PerPacketInfoLength = PerPacketInfoLength;
|
|
|
|
pPerPacketInfo = (PRNDIS_PER_PACKET_INFO)((PUCHAR)pPacketMsg + sizeof(RNDIS_PACKET));
|
|
if (TcpipChecksum)
|
|
{
|
|
pPerPacketInfo->Size = sizeof(RNDIS_PER_PACKET_INFO) + sizeof(ULONG);
|
|
pPerPacketInfo->Type = TcpIpChecksumPacketInfo;
|
|
pPerPacketInfo->PerPacketInformationOffset = sizeof(RNDIS_PER_PACKET_INFO);
|
|
*(PULONG)(pPerPacketInfo + 1) = TcpipChecksum;
|
|
pPerPacketInfo = (PRNDIS_PER_PACKET_INFO)((PUCHAR)pPerPacketInfo + pPerPacketInfo->Size);
|
|
}
|
|
|
|
if (TcpLargeSend)
|
|
{
|
|
pPerPacketInfo->Size = sizeof(RNDIS_PER_PACKET_INFO) + sizeof(ULONG);
|
|
pPerPacketInfo->Type = TcpLargeSendPacketInfo;
|
|
pPerPacketInfo->PerPacketInformationOffset = sizeof(RNDIS_PER_PACKET_INFO);
|
|
*(PULONG)(pPerPacketInfo + 1) = TcpLargeSend;
|
|
pPerPacketInfo = (PRNDIS_PER_PACKET_INFO)((PUCHAR)pPerPacketInfo + pPerPacketInfo->Size);
|
|
//
|
|
// Since we do not have a send-completion message, we fill up
|
|
// the "ack" for large send right here.
|
|
//
|
|
NDIS_PER_PACKET_INFO_FROM_PACKET(pNdisPacket, TcpLargeSendPacketInfo) =
|
|
UlongToPtr(TotalDataLength);
|
|
}
|
|
|
|
if (PacketPriority)
|
|
{
|
|
pPerPacketInfo->Size = sizeof(RNDIS_PER_PACKET_INFO) + sizeof(ULONG);
|
|
pPerPacketInfo->Type = Ieee8021pPriority;
|
|
pPerPacketInfo->PerPacketInformationOffset = sizeof(RNDIS_PER_PACKET_INFO);
|
|
*(PULONG)(pPerPacketInfo + 1) = PacketPriority;
|
|
pPerPacketInfo = (PRNDIS_PER_PACKET_INFO)((PUCHAR)pPerPacketInfo + pPerPacketInfo->Size);
|
|
}
|
|
}
|
|
|
|
}
|
|
while (FALSE);
|
|
|
|
if (Status != NDIS_STATUS_SUCCESS)
|
|
{
|
|
TRACE1(("PrepareDataMessage: Adapter %x, failed %x\n", pAdapter, Status));
|
|
|
|
//
|
|
// Undo all we have done so far.
|
|
//
|
|
if (pPktWrapper)
|
|
{
|
|
for (pMdl = pPktWrapper->pHeaderMdl;
|
|
pMdl != NULL;
|
|
pMdl = pNextMdl)
|
|
{
|
|
pNextMdl = pMdl->Next;
|
|
IoFreeMdl(pMdl);
|
|
NdisInterlockedDecrement(&MdlsAllocated);
|
|
}
|
|
|
|
FreePacketMsgWrapper(pPktWrapper);
|
|
|
|
pPktWrapper = NULL;
|
|
}
|
|
}
|
|
|
|
TRACE2(("PrepareDataMessage (%08X)\n", pPktWrapper));
|
|
return (pPktWrapper);
|
|
}
|
|
/****************************************************************************/
|
|
/* PrepareDataMessageRaw */
|
|
/****************************************************************************/
|
|
/* */
|
|
/* Routine Description: */
|
|
/* */
|
|
/* Utility routine to prepare a complete or part of a data message. */
|
|
/* */
|
|
/* Arguments: */
|
|
/* */
|
|
/* pNdisPacket - the NDIS packet to be converted */
|
|
/* pAdapter - Adapter on which the packet is being sent */
|
|
/* pVc - VC on which the packet is sent (NULL if no VC context) */
|
|
/* pTotalMessageLength - On input, contains the total message length */
|
|
/* filled in so far. Updated on output. */
|
|
/* */
|
|
/* */
|
|
/* Return: */
|
|
/* */
|
|
/* PRNDISMP_PACKET_WRAPPER */
|
|
/* */
|
|
/****************************************************************************/
|
|
PRNDISMP_PACKET_WRAPPER
|
|
PrepareDataMessageRaw(IN PNDIS_PACKET pNdisPacket,
|
|
IN PRNDISMP_ADAPTER pAdapter,
|
|
IN OUT PULONG pTotalMessageLength)
|
|
{
|
|
PMDL pMdl, pNextMdl;
|
|
PMDL * ppNextMdl;
|
|
PRNDISMP_PACKET_WRAPPER pPktWrapper;
|
|
RNDIS_MESSAGE UNALIGNED * pRndisMessage;
|
|
PNDIS_BUFFER pNdisBuffer;
|
|
PNDIS_BUFFER pNextNdisBuffer;
|
|
ULONG TotalMessageLength;
|
|
ULONG TotalDataLength;
|
|
ULONG AlignedLength;
|
|
ULONG AlignmentOffset;
|
|
NDIS_STATUS Status = NDIS_STATUS_SUCCESS;
|
|
|
|
pPktWrapper = NULL;
|
|
pMdl = NULL;
|
|
|
|
RNDISMP_GET_ALIGNED_LENGTH(AlignedLength, *pTotalMessageLength, pAdapter);
|
|
AlignmentOffset = (AlignedLength - *pTotalMessageLength);
|
|
|
|
do
|
|
{
|
|
TotalMessageLength = 0;
|
|
|
|
|
|
//
|
|
// Allocate an RNDIS_PACKET buffer.
|
|
//
|
|
pPktWrapper = AllocatePacketMsgWrapper(pAdapter, 0);
|
|
|
|
if (pPktWrapper == NULL)
|
|
{
|
|
TRACE1(("PrepareDataMessage: failed to alloc wrapper, Adapter %x\n", pAdapter));
|
|
ASSERT(FALSE);
|
|
Status = NDIS_STATUS_RESOURCES;
|
|
break;
|
|
}
|
|
|
|
pPktWrapper->pNdisPacket = pNdisPacket;
|
|
pPktWrapper->pVc = NULL;
|
|
pPktWrapper->pHeaderMdl = NULL;
|
|
|
|
TotalDataLength = 0;
|
|
|
|
for (pNdisBuffer = pNdisPacket->Private.Head;
|
|
pNdisBuffer != NULL;
|
|
pNdisBuffer = pNextNdisBuffer)
|
|
{
|
|
PVOID VirtualAddress;
|
|
UINT BufferLength;
|
|
|
|
NdisGetNextBuffer(pNdisBuffer, &pNextNdisBuffer);
|
|
|
|
#ifndef BUILD_WIN9X
|
|
NdisQueryBufferSafe(pNdisBuffer, &VirtualAddress, &BufferLength, NormalPagePriority);
|
|
if ((BufferLength != 0) && (VirtualAddress == NULL))
|
|
{
|
|
TRACE1(("PrepareDataMsg: Adapter %x failed to query buffer %p, Pkt %p\n",
|
|
pAdapter, pNdisBuffer, pNdisPacket));
|
|
Status = NDIS_STATUS_RESOURCES;
|
|
break;
|
|
}
|
|
#else
|
|
NdisQueryBuffer(pNdisBuffer, &VirtualAddress, &BufferLength);
|
|
#endif // BUILD_WIN9X
|
|
|
|
//
|
|
// Skip any 0-length buffers given to us by IP or NDISTEST
|
|
//
|
|
if (BufferLength != 0)
|
|
{
|
|
TotalDataLength += BufferLength;
|
|
|
|
pMdl = IoAllocateMdl(
|
|
VirtualAddress,
|
|
BufferLength,
|
|
FALSE,
|
|
FALSE,
|
|
NULL);
|
|
|
|
if (pMdl == NULL)
|
|
{
|
|
TRACE1(("PrepareDataMsg: Adapter %x failed to alloc MDL\n", pAdapter));
|
|
Status = NDIS_STATUS_RESOURCES;
|
|
TRACE1(("PrepareDataMsg: outstanding MDL count %d, at %x\n", MdlsAllocated, &MdlsAllocated));
|
|
ASSERT(FALSE);
|
|
break;
|
|
}
|
|
|
|
pMdl->Next = NULL;
|
|
|
|
if (pPktWrapper->pHeaderMdl == NULL)
|
|
{
|
|
pPktWrapper->pHeaderMdl = pMdl;
|
|
pPktWrapper->pTailMdl = pMdl;
|
|
} else
|
|
{
|
|
pPktWrapper->pTailMdl->Next = pMdl;
|
|
pPktWrapper->pTailMdl = pMdl;
|
|
}
|
|
|
|
|
|
NdisInterlockedIncrement(&MdlsAllocated);
|
|
MmBuildMdlForNonPagedPool(pMdl);
|
|
}
|
|
}
|
|
|
|
if (pNdisBuffer != NULL)
|
|
{
|
|
//
|
|
// We bailed out before reaching the end of the list.
|
|
//
|
|
break;
|
|
}
|
|
|
|
|
|
|
|
*pTotalMessageLength += TotalDataLength;
|
|
|
|
}
|
|
while (FALSE);
|
|
|
|
if (Status != NDIS_STATUS_SUCCESS)
|
|
{
|
|
TRACE1(("PrepareDataMessage: Adapter %x, failed %x\n", pAdapter, Status));
|
|
|
|
//
|
|
// Undo all we have done so far.
|
|
//
|
|
if (pPktWrapper)
|
|
{
|
|
for (pMdl = pPktWrapper->pHeaderMdl;
|
|
pMdl != NULL;
|
|
pMdl = pNextMdl)
|
|
{
|
|
pNextMdl = pMdl->Next;
|
|
IoFreeMdl(pMdl);
|
|
NdisInterlockedDecrement(&MdlsAllocated);
|
|
}
|
|
|
|
FreePacketMsgWrapper(pPktWrapper);
|
|
|
|
pPktWrapper = NULL;
|
|
}
|
|
}
|
|
|
|
TRACE2(("PrepareDataMessage (%08X)\n", pPktWrapper));
|
|
return (pPktWrapper);
|
|
}
|
|
|
|
|
|
|
|
/****************************************************************************/
|
|
/* AllocatePacketMsgWrapper */
|
|
/****************************************************************************/
|
|
/* */
|
|
/* Routine Description: */
|
|
/* */
|
|
/* Allocate a structure to keep information about one NDIS packet sent */
|
|
/* through the microport. */
|
|
/* */
|
|
/* Arguments: */
|
|
/* */
|
|
/* pAdapter - Adapter on which this packet is going to be sent. */
|
|
/* MsgHeaderLength - Total length of the wrapper structure */
|
|
/* */
|
|
/* Return: */
|
|
/* */
|
|
/* PRNDISMP_PACKET_WRAPPER */
|
|
/* */
|
|
/****************************************************************************/
|
|
PRNDISMP_PACKET_WRAPPER
|
|
AllocatePacketMsgWrapper(IN PRNDISMP_ADAPTER pAdapter,
|
|
IN ULONG MsgHeaderLength)
|
|
{
|
|
PRNDISMP_PACKET_WRAPPER pPktWrapper;
|
|
NDIS_STATUS Status;
|
|
ULONG TotalLength;
|
|
|
|
TotalLength = sizeof(RNDISMP_PACKET_WRAPPER) + MsgHeaderLength;
|
|
|
|
Status = MemAlloc(&pPktWrapper, TotalLength);
|
|
|
|
if (Status == NDIS_STATUS_SUCCESS)
|
|
{
|
|
NdisZeroMemory(pPktWrapper, TotalLength);
|
|
NdisInterlockedIncrement(&PktWrapperAllocated);
|
|
}
|
|
else
|
|
{
|
|
TRACE1(("AllocPacketMsgWrapper failed, adapter %x, alloc count %d at %x\n",
|
|
pAdapter, PktWrapperAllocated, &PktWrapperAllocated));
|
|
ASSERT(FALSE);
|
|
pPktWrapper = NULL;
|
|
}
|
|
|
|
return (pPktWrapper);
|
|
}
|
|
|
|
|
|
|
|
|
|
/****************************************************************************/
|
|
/* FreePacketMsgWrapper */
|
|
/****************************************************************************/
|
|
/* */
|
|
/* Routine Description: */
|
|
/* */
|
|
/* Free a structure used to keep information about one NDIS packet sent */
|
|
/* through the microport. */
|
|
/* */
|
|
/* Arguments: */
|
|
/* */
|
|
/* pPktWrapper - Pointer to wrapper structure. */
|
|
/* */
|
|
/* Return: */
|
|
/* */
|
|
/* VOID */
|
|
/* */
|
|
/****************************************************************************/
|
|
VOID
|
|
FreePacketMsgWrapper(IN PRNDISMP_PACKET_WRAPPER pPktWrapper)
|
|
{
|
|
MemFree(pPktWrapper, sizeof(RNDISMP_PACKET_WRAPPER));
|
|
NdisInterlockedDecrement(&PktWrapperAllocated);
|
|
}
|
|
|
|
|
|
/****************************************************************************/
|
|
/* CompleteSendData */
|
|
/****************************************************************************/
|
|
/* */
|
|
/* Routine Description: */
|
|
/* */
|
|
/* Callback function to handle completion of send data message sent */
|
|
/* down to microport */
|
|
/* */
|
|
/* Arguments: */
|
|
/* */
|
|
/* pMsgFrame - our frame structure holding information about a send */
|
|
/* SendStatus - indicate status of send message */
|
|
/* */
|
|
/* Return: */
|
|
/* */
|
|
/* VOID */
|
|
/* */
|
|
/****************************************************************************/
|
|
VOID
|
|
CompleteSendData(IN PRNDISMP_MESSAGE_FRAME pMsgFrame,
|
|
IN NDIS_STATUS SendStatus)
|
|
{
|
|
PRNDISMP_ADAPTER Adapter;
|
|
PNDIS_PACKET Packet;
|
|
PMDL pMdl, pNextMdl;
|
|
PRNDISMP_PACKET_WRAPPER pPktWrapper, pNextPktWrapper;
|
|
PRNDISMP_SEND_PKT_RESERVED pResvd;
|
|
PNDIS_PACKET NextPacket;
|
|
PRNDISMP_VC pVc;
|
|
|
|
|
|
Adapter = pMsgFrame->pAdapter;
|
|
|
|
TRACE2(("CompleteSendData: Adapter %x, MsgFrame %x, SendStatus %x\n",
|
|
Adapter, pMsgFrame, SendStatus));
|
|
|
|
#if DBG_TIME_STAMPS
|
|
{
|
|
ULONG NowTime;
|
|
ULONG PendedTime;
|
|
|
|
RNDISMP_GET_TIME_STAMP(&NowTime);
|
|
PendedTime = NowTime - pMsgFrame->TimeSent;
|
|
if (PendedTime > Adapter->MaxSendCompleteTime)
|
|
{
|
|
TRACE1(("CompleteSendData: Adapter %x: pend time %d millisec\n",
|
|
Adapter, PendedTime));
|
|
Adapter->MaxSendCompleteTime = PendedTime;
|
|
}
|
|
}
|
|
#endif // DBG_TIME_STAMPS
|
|
|
|
//
|
|
// free all MDLs we had allocated.
|
|
//
|
|
for (pMdl = pMsgFrame->pMessageMdl;
|
|
pMdl != NULL;
|
|
pMdl = pNextMdl)
|
|
{
|
|
pNextMdl = pMdl->Next;
|
|
IoFreeMdl(pMdl);
|
|
NdisInterlockedDecrement(&MdlsAllocated);
|
|
}
|
|
|
|
|
|
//
|
|
// we may have sent several NDIS packets in one message
|
|
// so we have to walk the list and complete each one
|
|
//
|
|
for (Packet = pMsgFrame->pNdisPacket;
|
|
Packet != NULL;
|
|
Packet = NextPacket)
|
|
{
|
|
pResvd = PRNDISMP_RESERVED_FROM_SEND_PACKET(Packet);
|
|
|
|
// get the next packet linked
|
|
NextPacket = pResvd->pNext;
|
|
|
|
pPktWrapper = pResvd->pPktWrapper;
|
|
#if DBG
|
|
if (NextPacket != NULL)
|
|
{
|
|
TRACE2(("CompleteSendData: multi: MsgFrame %x, tpkt %x, wrapper %x\n",
|
|
pMsgFrame, Packet,
|
|
// *(PULONG)((PUCHAR)Packet + 0x98),
|
|
pPktWrapper));
|
|
}
|
|
#endif // DBG
|
|
|
|
pVc = pPktWrapper->pVc;
|
|
|
|
// free the wrapper structure for this packet.
|
|
FreePacketMsgWrapper(pPktWrapper);
|
|
|
|
// send completion to upper layers
|
|
TRACE2(("CompleteSendData: Adapter %x, completing pkt %x\n", Adapter, Packet));
|
|
|
|
if (SendStatus == NDIS_STATUS_SUCCESS)
|
|
{
|
|
RNDISMP_INCR_STAT(Adapter, XmitOk);
|
|
}
|
|
else
|
|
{
|
|
RNDISMP_INCR_STAT(Adapter, XmitError);
|
|
}
|
|
|
|
if (pVc == NULL)
|
|
{
|
|
NdisMSendComplete(Adapter->MiniportAdapterHandle,
|
|
Packet,
|
|
SendStatus);
|
|
}
|
|
else
|
|
{
|
|
CompleteSendDataOnVc(pVc, Packet, SendStatus);
|
|
}
|
|
}
|
|
|
|
// free up frame and resources
|
|
pMsgFrame->pMessageMdl = NULL;
|
|
DereferenceMsgFrame(pMsgFrame);
|
|
|
|
|
|
} // CompleteSendData
|
|
|
|
|
|
/****************************************************************************/
|
|
/* FreeMsgAfterSend */
|
|
/****************************************************************************/
|
|
/* */
|
|
/* Routine Description: */
|
|
/* */
|
|
/* Called by microport to indicate completion of send data message sent */
|
|
/* down by miniport */
|
|
/* */
|
|
/* Arguments: */
|
|
/* */
|
|
/* pMsgFrame - our frame structure holding information about a send */
|
|
/* SendStatus - indicate status of send message */
|
|
/* */
|
|
/* Return: */
|
|
/* */
|
|
/* VOID */
|
|
/* */
|
|
/****************************************************************************/
|
|
VOID
|
|
FreeMsgAfterSend(IN PRNDISMP_MESSAGE_FRAME pMsgFrame,
|
|
IN NDIS_STATUS SendStatus)
|
|
{
|
|
DereferenceMsgFrame(pMsgFrame);
|
|
}
|
|
|
|
|
|
#if THROTTLE_MESSAGES
|
|
/****************************************************************************/
|
|
/* QueueMessageToMicroport */
|
|
/****************************************************************************/
|
|
/* */
|
|
/* Routine Description: */
|
|
/* */
|
|
/* Queue the given message on the list of messages to be send to the */
|
|
/* microport, and start sending down these, if we haven't sent too many */
|
|
/* already. */
|
|
/* */
|
|
/* Arguments: */
|
|
/* */
|
|
/* pAdapter - our Adapter structure */
|
|
/* pMsgFrame - our frame structure holding information about a send */
|
|
/* bQueueMessageForResponse - add this message to the pending-response */
|
|
/* list on the adapter. We expect a response */
|
|
/* for this from the device. */
|
|
/* */
|
|
/* Return: */
|
|
/* */
|
|
/* VOID */
|
|
/* */
|
|
/****************************************************************************/
|
|
VOID
|
|
QueueMessageToMicroport(IN PRNDISMP_ADAPTER pAdapter,
|
|
IN PRNDISMP_MESSAGE_FRAME pMsgFrame,
|
|
IN BOOLEAN bQueueMessageForResponse)
|
|
{
|
|
PLIST_ENTRY pEnt;
|
|
PRNDISMP_MESSAGE_FRAME pFrame;
|
|
RM_CHANNEL_TYPE ChannelType;
|
|
|
|
RNDISMP_ACQUIRE_ADAPTER_LOCK(pAdapter);
|
|
|
|
do
|
|
{
|
|
if (pMsgFrame)
|
|
{
|
|
//
|
|
// Add to waiting queue.
|
|
//
|
|
InsertTailList(&pAdapter->WaitingMessageList, &pMsgFrame->PendLink);
|
|
if (bQueueMessageForResponse)
|
|
{
|
|
InsertTailList(&pAdapter->PendingFrameList, &pMsgFrame->Link);
|
|
}
|
|
}
|
|
|
|
//
|
|
// Prevent more than one thread from executing below.
|
|
//
|
|
if (pAdapter->SendInProgress)
|
|
{
|
|
break;
|
|
}
|
|
|
|
pAdapter->SendInProgress = TRUE;
|
|
|
|
//
|
|
// Send as many messages to the microport as we can, without exceeding
|
|
// the high-water mark for messages pending at the microport.
|
|
//
|
|
while ((pAdapter->CurPendedMessages < pAdapter->HiWatPendedMessages) &&
|
|
!IsListEmpty(&pAdapter->WaitingMessageList))
|
|
{
|
|
//
|
|
// Take out the first message in the waiting queue.
|
|
//
|
|
pEnt = pAdapter->WaitingMessageList.Flink;
|
|
pFrame = CONTAINING_RECORD(pEnt, RNDISMP_MESSAGE_FRAME, PendLink);
|
|
RemoveEntryList(pEnt);
|
|
|
|
CHECK_VALID_FRAME(pFrame);
|
|
|
|
pAdapter->CurPendedMessages++;
|
|
InsertTailList(&pAdapter->PendingAtMicroportList, pEnt);
|
|
|
|
RNDISMP_RELEASE_ADAPTER_LOCK(pAdapter);
|
|
|
|
RNDISMP_GET_TIME_STAMP(&pFrame->TimeSent);
|
|
|
|
DBG_LOG_SEND_MSG(pAdapter, pFrame);
|
|
|
|
//
|
|
// Check if we are halting the adapter, fail if so.
|
|
// NOTE: the only message we let thru is a HALT.
|
|
//
|
|
if (pAdapter->Halting &&
|
|
(pFrame->NdisMessageType != REMOTE_NDIS_HALT_MSG))
|
|
{
|
|
TRACE1(("QueueMsg: Adapter %x is halting, dropped msg 0x%x!\n",
|
|
pAdapter, pFrame->NdisMessageType));
|
|
|
|
RndisMSendComplete(
|
|
(NDIS_HANDLE)pAdapter,
|
|
pFrame,
|
|
NDIS_STATUS_NOT_ACCEPTED);
|
|
|
|
RNDISMP_ACQUIRE_ADAPTER_LOCK(pAdapter);
|
|
|
|
continue;
|
|
}
|
|
|
|
//
|
|
// Send the message to the microport. The microport will
|
|
// call RndisMSendComplete when it is done with it.
|
|
//
|
|
#if DBG
|
|
{
|
|
ULONG Length;
|
|
PUCHAR pBuf;
|
|
|
|
Length = MmGetMdlByteCount(pFrame->pMessageMdl);
|
|
pBuf = MmGetSystemAddressForMdl(pFrame->pMessageMdl);
|
|
TRACEDUMP(("Sending msg type %x (%d bytes):\n",
|
|
pFrame->NdisMessageType, Length), pBuf, Length);
|
|
}
|
|
#endif
|
|
|
|
//
|
|
// Does this go on the data or control channel of the microport?
|
|
//
|
|
if (pFrame->NdisMessageType == REMOTE_NDIS_PACKET_MSG)
|
|
{
|
|
ChannelType = RMC_DATA;
|
|
}
|
|
else
|
|
{
|
|
ChannelType = RMC_CONTROL;
|
|
}
|
|
|
|
(pAdapter)->RmSendMessageHandler(pAdapter->MicroportAdapterContext,
|
|
pFrame->pMessageMdl,
|
|
(NDIS_HANDLE)pFrame,
|
|
ChannelType);
|
|
|
|
RNDISMP_ACQUIRE_ADAPTER_LOCK(pAdapter);
|
|
}
|
|
|
|
pAdapter->SendInProgress = FALSE;
|
|
|
|
}
|
|
while (FALSE);
|
|
|
|
RNDISMP_RELEASE_ADAPTER_LOCK(pAdapter);
|
|
}
|
|
|
|
|
|
/****************************************************************************/
|
|
/* FlushPendingMessages */
|
|
/****************************************************************************/
|
|
/* */
|
|
/* Routine Description: */
|
|
/* */
|
|
/* Remove and send-complete any messages pending to be sent to the */
|
|
/* microport. */
|
|
/* */
|
|
/* Arguments: */
|
|
/* */
|
|
/* pAdapter - our Adapter structure */
|
|
/* */
|
|
/* Return: */
|
|
/* */
|
|
/* VOID */
|
|
/* */
|
|
/****************************************************************************/
|
|
VOID
|
|
FlushPendingMessages(IN PRNDISMP_ADAPTER pAdapter)
|
|
{
|
|
PLIST_ENTRY pEnt;
|
|
PRNDISMP_MESSAGE_FRAME pFrame;
|
|
|
|
RNDISMP_ACQUIRE_ADAPTER_LOCK(pAdapter);
|
|
|
|
//
|
|
// Prevent further sends to microport.
|
|
//
|
|
pAdapter->SendInProgress = TRUE;
|
|
|
|
while (!IsListEmpty(&pAdapter->WaitingMessageList))
|
|
{
|
|
//
|
|
// Take out the first message in the waiting queue.
|
|
//
|
|
pEnt = pAdapter->WaitingMessageList.Flink;
|
|
pFrame = CONTAINING_RECORD(pEnt, RNDISMP_MESSAGE_FRAME, PendLink);
|
|
RemoveEntryList(pEnt);
|
|
|
|
CHECK_VALID_FRAME(pFrame);
|
|
|
|
//
|
|
// Fake send to microport
|
|
//
|
|
pAdapter->CurPendedMessages++;
|
|
InsertTailList(&pAdapter->PendingAtMicroportList, pEnt);
|
|
|
|
RNDISMP_RELEASE_ADAPTER_LOCK(pAdapter);
|
|
|
|
TRACE1(("Flush: Adapter %x, MsgFrame %x, MsgType %x\n",
|
|
pAdapter, pFrame, pFrame->NdisMessageType));
|
|
|
|
//
|
|
// Complete it right here.
|
|
//
|
|
RndisMSendComplete(
|
|
(NDIS_HANDLE)pAdapter,
|
|
pFrame,
|
|
NDIS_STATUS_NOT_ACCEPTED);
|
|
|
|
RNDISMP_ACQUIRE_ADAPTER_LOCK(pAdapter);
|
|
}
|
|
|
|
pAdapter->SendInProgress = FALSE;
|
|
|
|
RNDISMP_RELEASE_ADAPTER_LOCK(pAdapter);
|
|
|
|
TRACE1(("Flush done, adapter %x\n", pAdapter));
|
|
}
|
|
|
|
|
|
|
|
#endif // THROTTLE_MESSAGES
|
|
|
|
|
|
|
|
/****************************************************************************/
|
|
/* SendProcessTimeout */
|
|
/****************************************************************************/
|
|
/* */
|
|
/* Routine Description: */
|
|
/* */
|
|
/* Timeout callback routine to handle all sends. This is to avoid issues */
|
|
/* with TCP/IP stack preemption on WinME. */
|
|
/* */
|
|
/* Arguments: */
|
|
/* */
|
|
/* SystemSpecific[1-3] - Ignored */
|
|
/* Context - Pointer to our Adapter structure */
|
|
/* */
|
|
/* Return: */
|
|
/* */
|
|
/* VOID */
|
|
/* */
|
|
/****************************************************************************/
|
|
VOID
|
|
SendProcessTimeout(IN PVOID SystemSpecific1,
|
|
IN PVOID Context,
|
|
IN PVOID SystemSpecific2,
|
|
IN PVOID SystemSpecific3)
|
|
{
|
|
PRNDISMP_ADAPTER pAdapter;
|
|
PNDIS_PACKET pNdisPacket;
|
|
PRNDISMP_SEND_PKT_RESERVED_TEMP pSendResvdTemp;
|
|
PLIST_ENTRY pEntry;
|
|
NDIS_STATUS Status;
|
|
ULONG NumPkts;
|
|
ULONG CurPkts;
|
|
#define MAX_MULTI_SEND 20
|
|
PNDIS_PACKET PacketArray[MAX_MULTI_SEND];
|
|
|
|
pAdapter = (PRNDISMP_ADAPTER)Context;
|
|
CHECK_VALID_ADAPTER(pAdapter);
|
|
|
|
ASSERT(pAdapter->SendProcessInProgress == TRUE);
|
|
|
|
SndTimerCount++;
|
|
|
|
NumPkts = 0;
|
|
CurPkts = 0;
|
|
|
|
RNDISMP_ACQUIRE_ADAPTER_LOCK(pAdapter);
|
|
|
|
while (!IsListEmpty(&pAdapter->PendingSendProcessList))
|
|
{
|
|
pEntry = RemoveHeadList(&pAdapter->PendingSendProcessList);
|
|
|
|
RNDISMP_RELEASE_ADAPTER_LOCK(pAdapter);
|
|
|
|
SndPacketCount++;
|
|
CurPkts++;
|
|
|
|
pSendResvdTemp = CONTAINING_RECORD(pEntry, RNDISMP_SEND_PKT_RESERVED_TEMP, Link);
|
|
pNdisPacket = CONTAINING_RECORD(pSendResvdTemp, NDIS_PACKET, MiniportReserved);
|
|
PacketArray[NumPkts] = pNdisPacket;
|
|
|
|
NumPkts++;
|
|
|
|
if (NumPkts == MAX_MULTI_SEND)
|
|
{
|
|
pAdapter->MultipleSendFunc(pAdapter, NULL, PacketArray, NumPkts);
|
|
NumPkts = 0;
|
|
}
|
|
|
|
RNDISMP_ACQUIRE_ADAPTER_LOCK(pAdapter);
|
|
}
|
|
|
|
pAdapter->SendProcessInProgress = FALSE;
|
|
|
|
SndMaxPackets = MAX(SndMaxPackets, CurPkts);
|
|
|
|
RNDISMP_RELEASE_ADAPTER_LOCK(pAdapter);
|
|
|
|
if (NumPkts != 0)
|
|
{
|
|
pAdapter->MultipleSendFunc(pAdapter, NULL, PacketArray, NumPkts);
|
|
}
|
|
|
|
|
|
} // SendProcessTimeout
|
|
|
|
|