diff options
Diffstat (limited to 'drivers/staging/epl/EplDllk.c')
| -rw-r--r-- | drivers/staging/epl/EplDllk.c | 4052 |
1 files changed, 0 insertions, 4052 deletions
diff --git a/drivers/staging/epl/EplDllk.c b/drivers/staging/epl/EplDllk.c deleted file mode 100644 index 0572c3d0aefd..000000000000 --- a/drivers/staging/epl/EplDllk.c +++ /dev/null @@ -1,4052 +0,0 @@ -/**************************************************************************** - - (c) SYSTEC electronic GmbH, D-07973 Greiz, August-Bebel-Str. 29 - www.systec-electronic.com - - Project: openPOWERLINK - - Description: source file for kernel DLL module - - License: - - Redistribution and use in source and binary forms, with or without - modification, are permitted provided that the following conditions - are met: - - 1. Redistributions of source code must retain the above copyright - notice, this list of conditions and the following disclaimer. - - 2. Redistributions in binary form must reproduce the above copyright - notice, this list of conditions and the following disclaimer in the - documentation and/or other materials provided with the distribution. - - 3. Neither the name of SYSTEC electronic GmbH nor the names of its - contributors may be used to endorse or promote products derived - from this software without prior written permission. For written - permission, please contact info@systec-electronic.com. - - THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, - INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, - BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; - LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER - CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT - LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN - ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE - POSSIBILITY OF SUCH DAMAGE. - - Severability Clause: - - If a provision of this License is or becomes illegal, invalid or - unenforceable in any jurisdiction, that shall not affect: - 1. the validity or enforceability in that jurisdiction of any other - provision of this License; or - 2. the validity or enforceability in other jurisdictions of that or - any other provision of this License. - - ------------------------------------------------------------------------- - - $RCSfile: EplDllk.c,v $ - - $Author: D.Krueger $ - - $Revision: 1.21 $ $Date: 2008/11/13 17:13:09 $ - - $State: Exp $ - - Build Environment: - GCC V3.4 - - ------------------------------------------------------------------------- - - Revision History: - - 2006/06/12 d.k.: start of the implementation, version 1.00 - -****************************************************************************/ - -#include "kernel/EplDllk.h" -#include "kernel/EplDllkCal.h" -#include "kernel/EplEventk.h" -#include "kernel/EplNmtk.h" -#include "edrv.h" -#include "Benchmark.h" - -#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_PDOK)) != 0) -#include "kernel/EplPdok.h" -#endif - -#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_VETH)) != 0) -#include "kernel/VirtualEthernet.h" -#endif - -//#if EPL_TIMER_USE_HIGHRES != FALSE -#include "kernel/EplTimerHighResk.h" -//#endif - -#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_DLLK)) != 0) - -#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMTK)) == 0) -#error "EPL module DLLK needs EPL module NMTK!" -#endif - -#if (EPL_DLL_PRES_READY_AFTER_SOA != FALSE) && (EPL_DLL_PRES_READY_AFTER_SOC != FALSE) -#error "EPL module DLLK: select only one of EPL_DLL_PRES_READY_AFTER_SOA and EPL_DLL_PRES_READY_AFTER_SOC." -#endif - -#if ((EPL_DLL_PRES_READY_AFTER_SOA != FALSE) || (EPL_DLL_PRES_READY_AFTER_SOC != FALSE)) \ - && (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) == 0) -#error "EPL module DLLK: currently, EPL_DLL_PRES_READY_AFTER_* is not supported if EPL_MODULE_NMT_MN is enabled." -#endif - -#if (EDRV_FAST_TXFRAMES == FALSE) && \ - ((EPL_DLL_PRES_READY_AFTER_SOA != FALSE) || (EPL_DLL_PRES_READY_AFTER_SOC != FALSE)) -#error "EPL module DLLK: EPL_DLL_PRES_READY_AFTER_* is enabled, but not EDRV_FAST_TXFRAMES." -#endif - -/***************************************************************************/ -/* */ -/* */ -/* G L O B A L D E F I N I T I O N S */ -/* */ -/* */ -/***************************************************************************/ - -//--------------------------------------------------------------------------- -// const defines -//--------------------------------------------------------------------------- - -// TracePoint support for realtime-debugging -#ifdef _DBG_TRACE_POINTS_ -void TgtDbgSignalTracePoint(u8 bTracePointNumber_p); -void TgtDbgPostTraceValue(u32 dwTraceValue_p); -#define TGT_DBG_SIGNAL_TRACE_POINT(p) TgtDbgSignalTracePoint(p) -#define TGT_DBG_POST_TRACE_VALUE(v) TgtDbgPostTraceValue(v) -#else -#define TGT_DBG_SIGNAL_TRACE_POINT(p) -#define TGT_DBG_POST_TRACE_VALUE(v) -#endif -#define EPL_DLLK_DBG_POST_TRACE_VALUE(Event_p, uiNodeId_p, wErrorCode_p) \ - TGT_DBG_POST_TRACE_VALUE((kEplEventSinkDllk << 28) | (Event_p << 24) \ - | (uiNodeId_p << 16) | wErrorCode_p) - -/***************************************************************************/ -/* */ -/* */ -/* C L A S S EplDllk */ -/* */ -/* */ -/***************************************************************************/ -// -// Description: -// -// -/***************************************************************************/ - -//=========================================================================// -// // -// P R I V A T E D E F I N I T I O N S // -// // -//=========================================================================// - -//--------------------------------------------------------------------------- -// const defines -//--------------------------------------------------------------------------- - -// defines for indexes of tEplDllInstance.m_pTxFrameInfo -#define EPL_DLLK_TXFRAME_IDENTRES 0 // IdentResponse on CN / MN -#define EPL_DLLK_TXFRAME_STATUSRES 1 // StatusResponse on CN / MN -#define EPL_DLLK_TXFRAME_NMTREQ 2 // NMT Request from FIFO on CN / MN -#define EPL_DLLK_TXFRAME_NONEPL 3 // non-EPL frame from FIFO on CN / MN -#define EPL_DLLK_TXFRAME_PRES 4 // PRes on CN / MN -#define EPL_DLLK_TXFRAME_SOC 5 // SoC on MN -#define EPL_DLLK_TXFRAME_SOA 6 // SoA on MN -#define EPL_DLLK_TXFRAME_PREQ 7 // PReq on MN -#if(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0) -#define EPL_DLLK_TXFRAME_COUNT (7 + EPL_D_NMT_MaxCNNumber_U8 + 2) // on MN: 7 + MaxPReq of regular CNs + 1 Diag + 1 Router -#else -#define EPL_DLLK_TXFRAME_COUNT 5 // on CN: 5 -#endif - -#define EPL_DLLK_BUFLEN_EMPTY 0 // buffer is empty -#define EPL_DLLK_BUFLEN_FILLING 1 // just the buffer is being filled -#define EPL_DLLK_BUFLEN_MIN 60 // minimum ethernet frame length - -//--------------------------------------------------------------------------- -// local types -//--------------------------------------------------------------------------- - -typedef enum { - kEplDllGsInit = 0x00, // MN/CN: initialisation (< PreOp2) - kEplDllCsWaitPreq = 0x01, // CN: wait for PReq frame - kEplDllCsWaitSoc = 0x02, // CN: wait for SoC frame - kEplDllCsWaitSoa = 0x03, // CN: wait for SoA frame - kEplDllMsNonCyclic = 0x04, // MN: reduced EPL cycle (PreOp1) - kEplDllMsWaitSocTrig = 0x05, // MN: wait for SoC trigger (cycle timer) - kEplDllMsWaitPreqTrig = 0x06, // MN: wait for (first) PReq trigger (WaitSoCPReq_U32) - kEplDllMsWaitPres = 0x07, // MN: wait for PRes frame from CN - kEplDllMsWaitSoaTrig = 0x08, // MN: wait for SoA trigger (PRes transmitted) - kEplDllMsWaitAsndTrig = 0x09, // MN: wait for ASnd trigger (SoA transmitted) - kEplDllMsWaitAsnd = 0x0A, // MN: wait for ASnd frame if SoA contained invitation - -} tEplDllState; - -typedef struct { - u8 m_be_abSrcMac[6]; - tEdrvTxBuffer *m_pTxBuffer; // Buffers for Tx-Frames - unsigned int m_uiMaxTxFrames; - u8 m_bFlag1; // Flag 1 with EN, EC for PRes, StatusRes - u8 m_bMnFlag1; // Flag 1 with EA, ER from PReq, SoA of MN - u8 m_bFlag2; // Flag 2 with PR and RS for PRes, StatusRes, IdentRes - tEplDllConfigParam m_DllConfigParam; - tEplDllIdentParam m_DllIdentParam; - tEplDllState m_DllState; - tEplDllkCbAsync m_pfnCbAsync; - tEplDllAsndFilter m_aAsndFilter[EPL_DLL_MAX_ASND_SERVICE_ID]; - -#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0) - tEplDllkNodeInfo *m_pFirstNodeInfo; - tEplDllkNodeInfo *m_pCurNodeInfo; - tEplDllkNodeInfo m_aNodeInfo[EPL_NMT_MAX_NODE_ID]; - tEplDllReqServiceId m_LastReqServiceId; - unsigned int m_uiLastTargetNodeId; -#endif - -#if EPL_TIMER_USE_HIGHRES != FALSE - tEplTimerHdl m_TimerHdlCycle; // used for EPL cycle monitoring on CN and generation on MN -#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0) - tEplTimerHdl m_TimerHdlResponse; // used for CN response monitoring -#endif //(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0) -#endif - - unsigned int m_uiCycleCount; // cycle counter (needed for multiplexed cycle support) - unsigned long long m_ullFrameTimeout; // frame timeout (cycle length + loss of frame tolerance) - -} tEplDllkInstance; - -//--------------------------------------------------------------------------- -// local vars -//--------------------------------------------------------------------------- - -// if no dynamic memory allocation shall be used -// define structures statically -static tEplDllkInstance EplDllkInstance_g; - -static tEdrvTxBuffer aEplDllkTxBuffer_l[EPL_DLLK_TXFRAME_COUNT]; - -//--------------------------------------------------------------------------- -// local function prototypes -//--------------------------------------------------------------------------- - -// change DLL state on event -static tEplKernel EplDllkChangeState(tEplNmtEvent NmtEvent_p, - tEplNmtState NmtState_p); - -// called from EdrvInterruptHandler() -static void EplDllkCbFrameReceived(tEdrvRxBuffer * pRxBuffer_p); - -// called from EdrvInterruptHandler() -static void EplDllkCbFrameTransmitted(tEdrvTxBuffer * pTxBuffer_p); - -// check frame and set missing information -static tEplKernel EplDllkCheckFrame(tEplFrame * pFrame_p, - unsigned int uiFrameSize_p); - -// called by high resolution timer module to monitor EPL cycle as CN -#if EPL_TIMER_USE_HIGHRES != FALSE -static tEplKernel EplDllkCbCnTimer(tEplTimerEventArg *pEventArg_p); -#endif - -#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0) -// MN: returns internal node info structure -static tEplDllkNodeInfo *EplDllkGetNodeInfo(unsigned int uiNodeId_p); - -// transmit SoA -static tEplKernel EplDllkMnSendSoa(tEplNmtState NmtState_p, - tEplDllState * pDllStateProposed_p, - BOOL fEnableInvitation_p); - -static tEplKernel EplDllkMnSendSoc(void); - -static tEplKernel EplDllkMnSendPreq(tEplNmtState NmtState_p, - tEplDllState * pDllStateProposed_p); - -static tEplKernel EplDllkAsyncFrameNotReceived(tEplDllReqServiceId - ReqServiceId_p, - unsigned int uiNodeId_p); - -static tEplKernel EplDllkCbMnTimerCycle(tEplTimerEventArg *pEventArg_p); - -static tEplKernel EplDllkCbMnTimerResponse(tEplTimerEventArg *pEventArg_p); - -#endif - -//=========================================================================// -// // -// P U B L I C F U N C T I O N S // -// // -//=========================================================================// - -//--------------------------------------------------------------------------- -// -// Function: EplDllkAddInstance() -// -// Description: add and initialize new instance of EPL stack -// -// Parameters: pInitParam_p = initialisation parameters like MAC address -// -// Returns: tEplKernel = error code -// -// -// State: -// -//--------------------------------------------------------------------------- - -tEplKernel EplDllkAddInstance(tEplDllkInitParam * pInitParam_p) -{ - tEplKernel Ret = kEplSuccessful; - unsigned int uiIndex; - tEdrvInitParam EdrvInitParam; - - // reset instance structure - EPL_MEMSET(&EplDllkInstance_g, 0, sizeof(EplDllkInstance_g)); - -#if EPL_TIMER_USE_HIGHRES != FALSE - Ret = EplTimerHighReskInit(); - if (Ret != kEplSuccessful) { // error occured while initializing high resolution timer module - goto Exit; - } -#endif - - // if dynamic memory allocation available - // allocate instance structure - // allocate TPDO and RPDO table with default size - - // initialize and link pointers in instance structure to frame tables - EplDllkInstance_g.m_pTxBuffer = aEplDllkTxBuffer_l; - EplDllkInstance_g.m_uiMaxTxFrames = - ARRAY_SIZE(aEplDllkTxBuffer_l); - - // initialize state - EplDllkInstance_g.m_DllState = kEplDllGsInit; - -#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0) - // set up node info structure - for (uiIndex = 0; uiIndex < tabentries(EplDllkInstance_g.m_aNodeInfo); - uiIndex++) { - EplDllkInstance_g.m_aNodeInfo[uiIndex].m_uiNodeId = uiIndex + 1; - EplDllkInstance_g.m_aNodeInfo[uiIndex].m_wPresPayloadLimit = - 0xFFFF; - } -#endif - - // initialize Edrv - EPL_MEMCPY(EdrvInitParam.m_abMyMacAddr, pInitParam_p->m_be_abSrcMac, 6); - EdrvInitParam.m_pfnRxHandler = EplDllkCbFrameReceived; - EdrvInitParam.m_pfnTxHandler = EplDllkCbFrameTransmitted; - Ret = EdrvInit(&EdrvInitParam); - if (Ret != kEplSuccessful) { // error occured while initializing ethernet driver - goto Exit; - } - // copy local MAC address from Ethernet driver back to local instance structure - // because Ethernet driver may have read it from controller EEPROM - EPL_MEMCPY(EplDllkInstance_g.m_be_abSrcMac, EdrvInitParam.m_abMyMacAddr, - 6); - EPL_MEMCPY(pInitParam_p->m_be_abSrcMac, EdrvInitParam.m_abMyMacAddr, 6); - - // initialize TxBuffer array - for (uiIndex = 0; uiIndex < EplDllkInstance_g.m_uiMaxTxFrames; - uiIndex++) { - EplDllkInstance_g.m_pTxBuffer[uiIndex].m_pbBuffer = NULL; - } - -#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_VETH)) != 0) - Ret = VEthAddInstance(pInitParam_p); -#endif - - Exit: - return Ret; -} - -//--------------------------------------------------------------------------- -// -// Function: EplDllkDelInstance() -// -// Description: deletes an instance of EPL stack -// -// Parameters: (none) -// -// Returns: tEplKernel = error code -// -// -// State: -// -//--------------------------------------------------------------------------- - -tEplKernel EplDllkDelInstance(void) -{ - tEplKernel Ret = kEplSuccessful; - - // reset state - EplDllkInstance_g.m_DllState = kEplDllGsInit; - -#if EPL_TIMER_USE_HIGHRES != FALSE - Ret = EplTimerHighReskDelInstance(); -#endif - -#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_VETH)) != 0) - Ret = VEthDelInstance(); -#endif - - Ret = EdrvShutdown(); - return Ret; -} - -//--------------------------------------------------------------------------- -// -// Function: EplDllkCreateTxFrame -// -// Description: creates the buffer for a Tx frame and registers it to the -// ethernet driver -// -// Parameters: puiHandle_p = OUT: handle to frame buffer -// ppFrame_p = OUT: pointer to pointer of EPL frame -// puiFrameSize_p = IN/OUT: pointer to size of frame -// returned size is always equal or larger than -// requested size, if that is not possible -// an error will be returned -// MsgType_p = EPL message type -// ServiceId_p = Service ID in case of ASnd frame, otherwise -// kEplDllAsndNotDefined -// -// Returns: tEplKernel = error code -// -// -// State: -// -//--------------------------------------------------------------------------- - -tEplKernel EplDllkCreateTxFrame(unsigned int *puiHandle_p, - tEplFrame ** ppFrame_p, - unsigned int *puiFrameSize_p, - tEplMsgType MsgType_p, - tEplDllAsndServiceId ServiceId_p) -{ - tEplKernel Ret = kEplSuccessful; - tEplFrame *pTxFrame; - unsigned int uiHandle = EplDllkInstance_g.m_uiMaxTxFrames; - tEdrvTxBuffer *pTxBuffer = NULL; - - if (MsgType_p == kEplMsgTypeAsnd) { - // search for fixed Tx buffers - if (ServiceId_p == kEplDllAsndIdentResponse) { - uiHandle = EPL_DLLK_TXFRAME_IDENTRES; - } else if (ServiceId_p == kEplDllAsndStatusResponse) { - uiHandle = EPL_DLLK_TXFRAME_STATUSRES; - } else if ((ServiceId_p == kEplDllAsndNmtRequest) - || (ServiceId_p == kEplDllAsndNmtCommand)) { - uiHandle = EPL_DLLK_TXFRAME_NMTREQ; - } - - if (uiHandle >= EplDllkInstance_g.m_uiMaxTxFrames) { // look for free entry - uiHandle = EPL_DLLK_TXFRAME_PREQ; - pTxBuffer = &EplDllkInstance_g.m_pTxBuffer[uiHandle]; - for (; uiHandle < EplDllkInstance_g.m_uiMaxTxFrames; - uiHandle++, pTxBuffer++) { - if (pTxBuffer->m_pbBuffer == NULL) { // free entry found - break; - } - } - } - } else if (MsgType_p == kEplMsgTypeNonEpl) { - uiHandle = EPL_DLLK_TXFRAME_NONEPL; - } else if (MsgType_p == kEplMsgTypePres) { - uiHandle = EPL_DLLK_TXFRAME_PRES; - } else if (MsgType_p == kEplMsgTypeSoc) { - uiHandle = EPL_DLLK_TXFRAME_SOC; - } else if (MsgType_p == kEplMsgTypeSoa) { - uiHandle = EPL_DLLK_TXFRAME_SOA; - } else { // look for free entry - uiHandle = EPL_DLLK_TXFRAME_PREQ; - pTxBuffer = &EplDllkInstance_g.m_pTxBuffer[uiHandle]; - for (; uiHandle < EplDllkInstance_g.m_uiMaxTxFrames; - uiHandle++, pTxBuffer++) { - if (pTxBuffer->m_pbBuffer == NULL) { // free entry found - break; - } - } - if (pTxBuffer->m_pbBuffer != NULL) { - Ret = kEplEdrvNoFreeBufEntry; - goto Exit; - } - } - - // test if requested entry is free - pTxBuffer = &EplDllkInstance_g.m_pTxBuffer[uiHandle]; - if (pTxBuffer->m_pbBuffer != NULL) { // entry is not free - Ret = kEplEdrvNoFreeBufEntry; - goto Exit; - } - // setup Tx buffer - pTxBuffer->m_EplMsgType = MsgType_p; - pTxBuffer->m_uiMaxBufferLen = *puiFrameSize_p; - - Ret = EdrvAllocTxMsgBuffer(pTxBuffer); - if (Ret != kEplSuccessful) { // error occured while registering Tx frame - goto Exit; - } - // because buffer size may be larger than requested - // memorize real length of frame - pTxBuffer->m_uiTxMsgLen = *puiFrameSize_p; - - // fill whole frame with 0 - EPL_MEMSET(pTxBuffer->m_pbBuffer, 0, pTxBuffer->m_uiMaxBufferLen); - - pTxFrame = (tEplFrame *) pTxBuffer->m_pbBuffer; - - if (MsgType_p != kEplMsgTypeNonEpl) { // fill out Frame only if it is an EPL frame - // ethertype - AmiSetWordToBe(&pTxFrame->m_be_wEtherType, - EPL_C_DLL_ETHERTYPE_EPL); - // source node ID - AmiSetByteToLe(&pTxFrame->m_le_bSrcNodeId, - (u8) EplDllkInstance_g.m_DllConfigParam. - m_uiNodeId); - // source MAC address - EPL_MEMCPY(&pTxFrame->m_be_abSrcMac[0], - &EplDllkInstance_g.m_be_abSrcMac[0], 6); - switch (MsgType_p) { - case kEplMsgTypeAsnd: - // destination MAC address - AmiSetQword48ToBe(&pTxFrame->m_be_abDstMac[0], - EPL_C_DLL_MULTICAST_ASND); - // destination node ID - switch (ServiceId_p) { - case kEplDllAsndIdentResponse: - case kEplDllAsndStatusResponse: - { // IdentResponses and StatusResponses are Broadcast - AmiSetByteToLe(&pTxFrame-> - m_le_bDstNodeId, - (u8) - EPL_C_ADR_BROADCAST); - break; - } - - default: - break; - } - // ASnd Service ID - AmiSetByteToLe(&pTxFrame->m_Data.m_Asnd.m_le_bServiceId, - ServiceId_p); - break; - - case kEplMsgTypeSoc: - // destination MAC address - AmiSetQword48ToBe(&pTxFrame->m_be_abDstMac[0], - EPL_C_DLL_MULTICAST_SOC); - // destination node ID - AmiSetByteToLe(&pTxFrame->m_le_bDstNodeId, - (u8) EPL_C_ADR_BROADCAST); - // reset Flags - //AmiSetByteToLe(&pTxFrame->m_Data.m_Soc.m_le_bFlag1, (u8) 0); - //AmiSetByteToLe(&pTxFrame->m_Data.m_Soc.m_le_bFlag2, (u8) 0); - break; - - case kEplMsgTypeSoa: - // destination MAC address - AmiSetQword48ToBe(&pTxFrame->m_be_abDstMac[0], - EPL_C_DLL_MULTICAST_SOA); - // destination node ID - AmiSetByteToLe(&pTxFrame->m_le_bDstNodeId, - (u8) EPL_C_ADR_BROADCAST); - // reset Flags - //AmiSetByteToLe(&pTxFrame->m_Data.m_Soa.m_le_bFlag1, (u8) 0); - //AmiSetByteToLe(&pTxFrame->m_Data.m_Soa.m_le_bFlag2, (u8) 0); - // EPL profile version - AmiSetByteToLe(&pTxFrame->m_Data.m_Soa.m_le_bEplVersion, - (u8) EPL_SPEC_VERSION); - break; - - case kEplMsgTypePres: - // destination MAC address - AmiSetQword48ToBe(&pTxFrame->m_be_abDstMac[0], - EPL_C_DLL_MULTICAST_PRES); - // destination node ID - AmiSetByteToLe(&pTxFrame->m_le_bDstNodeId, - (u8) EPL_C_ADR_BROADCAST); - // reset Flags - //AmiSetByteToLe(&pTxFrame->m_Data.m_Pres.m_le_bFlag1, (u8) 0); - //AmiSetByteToLe(&pTxFrame->m_Data.m_Pres.m_le_bFlag2, (u8) 0); - // PDO size - //AmiSetWordToLe(&pTxFrame->m_Data.m_Pres.m_le_wSize, 0); - break; - - case kEplMsgTypePreq: - // reset Flags - //AmiSetByteToLe(&pTxFrame->m_Data.m_Preq.m_le_bFlag1, (u8) 0); - //AmiSetByteToLe(&pTxFrame->m_Data.m_Preq.m_le_bFlag2, (u8) 0); - // PDO size - //AmiSetWordToLe(&pTxFrame->m_Data.m_Preq.m_le_wSize, 0); - break; - - default: - break; - } - // EPL message type - AmiSetByteToLe(&pTxFrame->m_le_bMessageType, (u8) MsgType_p); - } - - *ppFrame_p = pTxFrame; - *puiFrameSize_p = pTxBuffer->m_uiMaxBufferLen; - *puiHandle_p = uiHandle; - - Exit: - return Ret; -} - -//--------------------------------------------------------------------------- -// -// Function: EplDllkDeleteTxFrame -// -// Description: deletes the buffer for a Tx frame and frees it in the -// ethernet driver -// -// Parameters: uiHandle_p = IN: handle to frame buffer -// -// Returns: tEplKernel = error code -// -// -// State: -// -//--------------------------------------------------------------------------- - -tEplKernel EplDllkDeleteTxFrame(unsigned int uiHandle_p) -{ - tEplKernel Ret = kEplSuccessful; - tEdrvTxBuffer *pTxBuffer = NULL; - - if (uiHandle_p >= EplDllkInstance_g.m_uiMaxTxFrames) { // handle is not valid - Ret = kEplDllIllegalHdl; - goto Exit; - } - - pTxBuffer = &EplDllkInstance_g.m_pTxBuffer[uiHandle_p]; - - // mark buffer as free so that frame will not be send in future anymore - // $$$ d.k. What's up with running transmissions? - pTxBuffer->m_uiTxMsgLen = EPL_DLLK_BUFLEN_EMPTY; - pTxBuffer->m_pbBuffer = NULL; - - // delete Tx buffer - Ret = EdrvReleaseTxMsgBuffer(pTxBuffer); - if (Ret != kEplSuccessful) { // error occured while releasing Tx frame - goto Exit; - } - - Exit: - return Ret; -} - -//--------------------------------------------------------------------------- -// -// Function: EplDllkProcess -// -// Description: process the passed event -// -// Parameters: pEvent_p = event to be processed -// -// Returns: tEplKernel = error code -// -// -// State: -// -//--------------------------------------------------------------------------- - -tEplKernel EplDllkProcess(tEplEvent * pEvent_p) -{ - tEplKernel Ret = kEplSuccessful; - tEplFrame *pTxFrame; - tEdrvTxBuffer *pTxBuffer; - unsigned int uiHandle; - unsigned int uiFrameSize; - u8 abMulticastMac[6]; - tEplDllAsyncReqPriority AsyncReqPriority; - unsigned int uiFrameCount; - tEplNmtState NmtState; -#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_PDOK)) != 0) - tEplFrameInfo FrameInfo; -#endif - - switch (pEvent_p->m_EventType) { - case kEplEventTypeDllkCreate: - { - // $$$ reset ethernet driver - - NmtState = *((tEplNmtState *) pEvent_p->m_pArg); - - // initialize flags for PRes and StatusRes - EplDllkInstance_g.m_bFlag1 = EPL_FRAME_FLAG1_EC; - EplDllkInstance_g.m_bMnFlag1 = 0; - EplDllkInstance_g.m_bFlag2 = 0; - -#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0) - // initialize linked node list - EplDllkInstance_g.m_pFirstNodeInfo = NULL; -#endif - - // register TxFrames in Edrv - - // IdentResponse - uiFrameSize = EPL_C_DLL_MINSIZE_IDENTRES; - Ret = - EplDllkCreateTxFrame(&uiHandle, &pTxFrame, - &uiFrameSize, kEplMsgTypeAsnd, - kEplDllAsndIdentResponse); - if (Ret != kEplSuccessful) { // error occured while registering Tx frame - goto Exit; - } - // EPL profile version - AmiSetByteToLe(&pTxFrame->m_Data.m_Asnd.m_Payload. - m_IdentResponse.m_le_bEplProfileVersion, - (u8) EPL_SPEC_VERSION); - // FeatureFlags - AmiSetDwordToLe(&pTxFrame->m_Data.m_Asnd.m_Payload. - m_IdentResponse.m_le_dwFeatureFlags, - EplDllkInstance_g.m_DllConfigParam. - m_dwFeatureFlags); - // MTU - AmiSetWordToLe(&pTxFrame->m_Data.m_Asnd.m_Payload. - m_IdentResponse.m_le_wMtu, - (u16) EplDllkInstance_g. - m_DllConfigParam.m_uiAsyncMtu); - // PollInSize - AmiSetWordToLe(&pTxFrame->m_Data.m_Asnd.m_Payload. - m_IdentResponse.m_le_wPollInSize, - (u16) EplDllkInstance_g. - m_DllConfigParam. - m_uiPreqActPayloadLimit); - // PollOutSize - AmiSetWordToLe(&pTxFrame->m_Data.m_Asnd.m_Payload. - m_IdentResponse.m_le_wPollOutSize, - (u16) EplDllkInstance_g. - m_DllConfigParam. - m_uiPresActPayloadLimit); - // ResponseTime / PresMaxLatency - AmiSetDwordToLe(&pTxFrame->m_Data.m_Asnd.m_Payload. - m_IdentResponse.m_le_dwResponseTime, - EplDllkInstance_g.m_DllConfigParam. - m_dwPresMaxLatency); - // DeviceType - AmiSetDwordToLe(&pTxFrame->m_Data.m_Asnd.m_Payload. - m_IdentResponse.m_le_dwDeviceType, - EplDllkInstance_g.m_DllIdentParam. - m_dwDeviceType); - // VendorId - AmiSetDwordToLe(&pTxFrame->m_Data.m_Asnd.m_Payload. - m_IdentResponse.m_le_dwVendorId, - EplDllkInstance_g.m_DllIdentParam. - m_dwVendorId); - // ProductCode - AmiSetDwordToLe(&pTxFrame->m_Data.m_Asnd.m_Payload. - m_IdentResponse.m_le_dwProductCode, - EplDllkInstance_g.m_DllIdentParam. - m_dwProductCode); - // RevisionNumber - AmiSetDwordToLe(&pTxFrame->m_Data.m_Asnd.m_Payload. - m_IdentResponse.m_le_dwRevisionNumber, - EplDllkInstance_g.m_DllIdentParam. - m_dwRevisionNumber); - // SerialNumber - AmiSetDwordToLe(&pTxFrame->m_Data.m_Asnd.m_Payload. - m_IdentResponse.m_le_dwSerialNumber, - EplDllkInstance_g.m_DllIdentParam. - m_dwSerialNumber); - // VendorSpecificExt1 - AmiSetQword64ToLe(&pTxFrame->m_Data.m_Asnd.m_Payload. - m_IdentResponse. - m_le_qwVendorSpecificExt1, - EplDllkInstance_g.m_DllIdentParam. - m_qwVendorSpecificExt1); - // VerifyConfigurationDate - AmiSetDwordToLe(&pTxFrame->m_Data.m_Asnd.m_Payload. - m_IdentResponse. - m_le_dwVerifyConfigurationDate, - EplDllkInstance_g.m_DllIdentParam. - m_dwVerifyConfigurationDate); - // VerifyConfigurationTime - AmiSetDwordToLe(&pTxFrame->m_Data.m_Asnd.m_Payload. - m_IdentResponse. - m_le_dwVerifyConfigurationTime, - EplDllkInstance_g.m_DllIdentParam. - m_dwVerifyConfigurationTime); - // ApplicationSwDate - AmiSetDwordToLe(&pTxFrame->m_Data.m_Asnd.m_Payload. - m_IdentResponse. - m_le_dwApplicationSwDate, - EplDllkInstance_g.m_DllIdentParam. - m_dwApplicationSwDate); - // ApplicationSwTime - AmiSetDwordToLe(&pTxFrame->m_Data.m_Asnd.m_Payload. - m_IdentResponse. - m_le_dwApplicationSwTime, - EplDllkInstance_g.m_DllIdentParam. - m_dwApplicationSwTime); - // IPAddress - AmiSetDwordToLe(&pTxFrame->m_Data.m_Asnd.m_Payload. - m_IdentResponse.m_le_dwIpAddress, - EplDllkInstance_g.m_DllIdentParam. - m_dwIpAddress); - // SubnetMask - AmiSetDwordToLe(&pTxFrame->m_Data.m_Asnd.m_Payload. - m_IdentResponse.m_le_dwSubnetMask, - EplDllkInstance_g.m_DllIdentParam. - m_dwSubnetMask); - // DefaultGateway - AmiSetDwordToLe(&pTxFrame->m_Data.m_Asnd.m_Payload. - m_IdentResponse.m_le_dwDefaultGateway, - EplDllkInstance_g.m_DllIdentParam. - m_dwDefaultGateway); - // HostName - EPL_MEMCPY(&pTxFrame->m_Data.m_Asnd.m_Payload. - m_IdentResponse.m_le_sHostname[0], - &EplDllkInstance_g.m_DllIdentParam. - m_sHostname[0], - sizeof(EplDllkInstance_g.m_DllIdentParam. - m_sHostname)); - // VendorSpecificExt2 - EPL_MEMCPY(&pTxFrame->m_Data.m_Asnd.m_Payload. - m_IdentResponse.m_le_abVendorSpecificExt2[0], - &EplDllkInstance_g.m_DllIdentParam. - m_abVendorSpecificExt2[0], - sizeof(EplDllkInstance_g.m_DllIdentParam. - m_abVendorSpecificExt2)); - - // StatusResponse - uiFrameSize = EPL_C_DLL_MINSIZE_STATUSRES; - Ret = - EplDllkCreateTxFrame(&uiHandle, &pTxFrame, - &uiFrameSize, kEplMsgTypeAsnd, - kEplDllAsndStatusResponse); - if (Ret != kEplSuccessful) { // error occured while registering Tx frame - goto Exit; - } - // PRes $$$ maybe move this to PDO module - if ((EplDllkInstance_g.m_DllConfigParam.m_fAsyncOnly == - FALSE) - && (EplDllkInstance_g.m_DllConfigParam.m_uiPresActPayloadLimit >= 36)) { // it is not configured as async-only CN, - // so take part in isochronous phase and register PRes frame - uiFrameSize = - EplDllkInstance_g.m_DllConfigParam. - m_uiPresActPayloadLimit + 24; - Ret = - EplDllkCreateTxFrame(&uiHandle, &pTxFrame, - &uiFrameSize, - kEplMsgTypePres, - kEplDllAsndNotDefined); - if (Ret != kEplSuccessful) { // error occured while registering Tx frame - goto Exit; - } -#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_PDOK)) != 0) - // initially encode TPDO -> inform PDO module - FrameInfo.m_pFrame = pTxFrame; - FrameInfo.m_uiFrameSize = uiFrameSize; - Ret = EplPdokCbPdoTransmitted(&FrameInfo); -#endif - // reset cycle counter - EplDllkInstance_g.m_uiCycleCount = 0; - } else { // it is an async-only CN - // fool EplDllkChangeState() to think that PRes was not expected - EplDllkInstance_g.m_uiCycleCount = 1; - } - - // NMT request - uiFrameSize = EPL_C_IP_MAX_MTU; - Ret = - EplDllkCreateTxFrame(&uiHandle, &pTxFrame, - &uiFrameSize, kEplMsgTypeAsnd, - kEplDllAsndNmtRequest); - if (Ret != kEplSuccessful) { // error occured while registering Tx frame - goto Exit; - } - // mark Tx buffer as empty - EplDllkInstance_g.m_pTxBuffer[uiHandle].m_uiTxMsgLen = - EPL_DLLK_BUFLEN_EMPTY; - - // non-EPL frame - uiFrameSize = EPL_C_IP_MAX_MTU; - Ret = - EplDllkCreateTxFrame(&uiHandle, &pTxFrame, - &uiFrameSize, - kEplMsgTypeNonEpl, - kEplDllAsndNotDefined); - if (Ret != kEplSuccessful) { // error occured while registering Tx frame - goto Exit; - } - // mark Tx buffer as empty - EplDllkInstance_g.m_pTxBuffer[uiHandle].m_uiTxMsgLen = - EPL_DLLK_BUFLEN_EMPTY; - - // register multicast MACs in ethernet driver - AmiSetQword48ToBe(&abMulticastMac[0], - EPL_C_DLL_MULTICAST_SOC); - Ret = EdrvDefineRxMacAddrEntry(abMulticastMac); - AmiSetQword48ToBe(&abMulticastMac[0], - EPL_C_DLL_MULTICAST_SOA); - Ret = EdrvDefineRxMacAddrEntry(abMulticastMac); - AmiSetQword48ToBe(&abMulticastMac[0], - EPL_C_DLL_MULTICAST_PRES); - Ret = EdrvDefineRxMacAddrEntry(abMulticastMac); - AmiSetQword48ToBe(&abMulticastMac[0], - EPL_C_DLL_MULTICAST_ASND); - Ret = EdrvDefineRxMacAddrEntry(abMulticastMac); - -#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0) - if (NmtState >= kEplNmtMsNotActive) { // local node is MN - unsigned int uiIndex; - - // SoC - uiFrameSize = EPL_C_DLL_MINSIZE_SOC; - Ret = - EplDllkCreateTxFrame(&uiHandle, &pTxFrame, - &uiFrameSize, - kEplMsgTypeSoc, - kEplDllAsndNotDefined); - if (Ret != kEplSuccessful) { // error occured while registering Tx frame - goto Exit; - } - // SoA - uiFrameSize = EPL_C_DLL_MINSIZE_SOA; - Ret = - EplDllkCreateTxFrame(&uiHandle, &pTxFrame, - &uiFrameSize, - kEplMsgTypeSoa, - kEplDllAsndNotDefined); - if (Ret != kEplSuccessful) { // error occured while registering Tx frame - goto Exit; - } - - for (uiIndex = 0; - uiIndex < - tabentries(EplDllkInstance_g.m_aNodeInfo); - uiIndex++) { -// EplDllkInstance_g.m_aNodeInfo[uiIndex].m_uiNodeId = uiIndex + 1; - EplDllkInstance_g.m_aNodeInfo[uiIndex]. - m_wPresPayloadLimit = - (u16) EplDllkInstance_g. - m_DllConfigParam. - m_uiIsochrRxMaxPayload; - } - - // calculate cycle length - EplDllkInstance_g.m_ullFrameTimeout = 1000LL - * - ((unsigned long long)EplDllkInstance_g. - m_DllConfigParam.m_dwCycleLen); - } -#endif //(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0) - - Ret = EplDllkCalAsyncClearBuffer(); - - break; - } - - case kEplEventTypeDllkDestroy: - { - // destroy all data structures - - NmtState = *((tEplNmtState *) pEvent_p->m_pArg); - - // delete Tx frames - Ret = EplDllkDeleteTxFrame(EPL_DLLK_TXFRAME_IDENTRES); - if (Ret != kEplSuccessful) { // error occured while deregistering Tx frame - goto Exit; - } - - Ret = EplDllkDeleteTxFrame(EPL_DLLK_TXFRAME_STATUSRES); - if (Ret != kEplSuccessful) { // error occured while deregistering Tx frame - goto Exit; - } - - Ret = EplDllkDeleteTxFrame(EPL_DLLK_TXFRAME_PRES); - if (Ret != kEplSuccessful) { // error occured while deregistering Tx frame - goto Exit; - } - - Ret = EplDllkDeleteTxFrame(EPL_DLLK_TXFRAME_NMTREQ); - if (Ret != kEplSuccessful) { // error occured while deregistering Tx frame - goto Exit; - } - - Ret = EplDllkDeleteTxFrame(EPL_DLLK_TXFRAME_NONEPL); - if (Ret != kEplSuccessful) { // error occured while deregistering Tx frame - goto Exit; - } -#if (((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0) - if (NmtState >= kEplNmtMsNotActive) { // local node was MN - unsigned int uiIndex; - - Ret = - EplDllkDeleteTxFrame(EPL_DLLK_TXFRAME_SOC); - if (Ret != kEplSuccessful) { // error occured while deregistering Tx frame - goto Exit; - } - - Ret = - EplDllkDeleteTxFrame(EPL_DLLK_TXFRAME_SOA); - if (Ret != kEplSuccessful) { // error occured while deregistering Tx frame - goto Exit; - } - - for (uiIndex = 0; - uiIndex < - tabentries(EplDllkInstance_g.m_aNodeInfo); - uiIndex++) { - if (EplDllkInstance_g. - m_aNodeInfo[uiIndex]. - m_pPreqTxBuffer != NULL) { - uiHandle = - EplDllkInstance_g. - m_aNodeInfo[uiIndex]. - m_pPreqTxBuffer - - EplDllkInstance_g. - m_pTxBuffer; - EplDllkInstance_g. - m_aNodeInfo[uiIndex]. - m_pPreqTxBuffer = NULL; - Ret = - EplDllkDeleteTxFrame - (uiHandle); - if (Ret != kEplSuccessful) { // error occured while deregistering Tx frame - goto Exit; - } - - } - EplDllkInstance_g.m_aNodeInfo[uiIndex]. - m_wPresPayloadLimit = 0xFFFF; - } - } -#endif //(((EPL_MODULE_INTEGRATION) & (EPL_MODULE_NMT_MN)) != 0) - |