#include "lwr_mac.h"
#include "lwr_mac_fsm.h"
#include "mac_utils.h"
+#include "mac_harq_dl.h"
+#include "lwr_mac_phy.h"
/* function pointers for packing slot ind from mac to sch */
MacSchSlotIndFunc macSchSlotIndOpts[] =
**/
uint8_t MacProcDlAlloc(Pst *pst, DlSchedInfo *dlSchedInfo)
{
- uint8_t ueIdx;
- uint16_t cellIdx;
- MacDlSlot *currDlSlot = NULLP;
+ uint8_t schInfoIdx = 0, cwIdx = 0;
+ uint8_t ueId = 0, ueIdx = 0;
+ uint16_t cellIdx = 0;
+ uint8_t *retxTb = NULLP, *txPdu = NULLP;
+ uint16_t txPduLen = 0;
+ MacDlSlot *currDlSlot = NULLP;
+ DlMsgSchInfo schedInfo;
+ DlHarqProcCb *hqProcCb = NULLP;
#ifdef CALL_FLOW_DEBUG_LOG
DU_LOG("\nCall Flow: ENTSCH -> ENTMAC : EVENT_DL_SCH_INFO\n");
&currDlSlot->dlInfo.brdcstAlloc.sib1Alloc.sib1PdschCfg;
}
- if(dlSchedInfo->rarAlloc != NULLP)
- {
- currDlSlot = &macCb.macCell[cellIdx]->\
- dlSlot[dlSchedInfo->schSlotValue.rarTime.slot];
- currDlSlot->dlInfo.rarAlloc = dlSchedInfo->rarAlloc;
-
- /* MUXing of RAR */
- fillRarPdu(&currDlSlot->dlInfo.rarAlloc->rarInfo);
- }
-
- if(dlSchedInfo->dlMsgAlloc != NULLP)
+ for(ueIdx=0; ueIdx<MAX_NUM_UE; ueIdx++)
{
- currDlSlot = &macCb.macCell[cellIdx]->\
- dlSlot[dlSchedInfo->schSlotValue.dlMsgTime.slot];
- currDlSlot->dlInfo.dlMsgAlloc = dlSchedInfo->dlMsgAlloc; /* copy msg4 alloc pointer in MAC slot info */
- currDlSlot->dlInfo.cellId = dlSchedInfo->cellId;
-
- /* Check if the downlink pdu is msg4 */
- if(dlSchedInfo->dlMsgAlloc->dlMsgInfo.isMsg4Pdu)
+ if(dlSchedInfo->rarAlloc[ueIdx] != NULLP)
{
- GET_UE_IDX(dlSchedInfo->dlMsgAlloc->dlMsgInfo.crnti, ueIdx);
- ueIdx = ueIdx -1;
- macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4TbSize = \
- dlSchedInfo->dlMsgAlloc->dlMsgPdschCfg.codeword[0].tbSize;
+ currDlSlot = &macCb.macCell[cellIdx]->dlSlot[dlSchedInfo->schSlotValue.rarTime.slot];
+ currDlSlot->dlInfo.rarAlloc[ueIdx] = dlSchedInfo->rarAlloc[ueIdx];
+
+ /* MUXing of RAR */
+ fillRarPdu(&currDlSlot->dlInfo.rarAlloc[ueIdx]->rarInfo);
}
- else
+
+ if(dlSchedInfo->dlMsgAlloc[ueIdx] != NULLP)
{
- memcpy(&currDlSlot->dlInfo.schSlotValue, &dlSchedInfo->schSlotValue, sizeof(SchSlotValue));
- /* Send LC schedule result to RLC */
- sendSchedRptToRlc(currDlSlot->dlInfo, dlSchedInfo->schSlotValue.dlMsgTime);
+ currDlSlot = &macCb.macCell[cellIdx]->\
+ dlSlot[dlSchedInfo->schSlotValue.dlMsgTime.slot];
+ currDlSlot->dlInfo.dlMsgAlloc[ueIdx] = dlSchedInfo->dlMsgAlloc[ueIdx]; /* copy msg4 alloc pointer in MAC slot info */
+ currDlSlot->dlInfo.cellId = dlSchedInfo->cellId;
+
+ /* Check if the downlink pdu is msg4 */
+ for(schInfoIdx=0; schInfoIdx < dlSchedInfo->dlMsgAlloc[ueIdx]->numSchedInfo; schInfoIdx++)
+ {
+ if(dlSchedInfo->dlMsgAlloc[ueIdx]->dlMsgSchedInfo[schInfoIdx].dlMsgInfo.isMsg4Pdu)
+ {
+ GET_UE_ID(dlSchedInfo->dlMsgAlloc[ueIdx]->dlMsgSchedInfo[schInfoIdx].dlMsgInfo.crnti, ueId);
+ ueIdx = ueId -1;
+ schedInfo = dlSchedInfo->dlMsgAlloc[ueIdx]->dlMsgSchedInfo[schInfoIdx];
+ hqProcCb = &macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4HqInfo;
+
+ if(!dlSchedInfo->dlMsgAlloc[ueIdx]->dlMsgSchedInfo[schInfoIdx].isRetx)
+ {
+ /* First transmission of MSG4 */
+ hqProcCb->procId = schedInfo.dlMsgInfo.harqProcNum;
+ for(cwIdx = 0; cwIdx < schedInfo.dlMsgPdschCfg.numCodewords; cwIdx++)
+ {
+ memcpy(&hqProcCb->tbInfo[hqProcCb->numTb].txTime, &dlSchedInfo->schSlotValue.dlMsgTime, \
+ sizeof(SlotTimingInfo));
+ hqProcCb->tbInfo[hqProcCb->numTb].tbSize = schedInfo.dlMsgPdschCfg.codeword[cwIdx].tbSize;
+ hqProcCb->numTb++;
+ }
+ }
+ else
+ {
+ /* MSG4 retransmission */
+ if(hqProcCb->procId == schedInfo.dlMsgInfo.harqProcNum)
+ {
+ memcpy(&hqProcCb->tbInfo[0].txTime, &dlSchedInfo->schSlotValue.dlMsgTime, \
+ sizeof(SlotTimingInfo));
+ }
+ }
+ }
+ else
+ {
+ memcpy(&currDlSlot->dlInfo.schSlotValue, &dlSchedInfo->schSlotValue, sizeof(SchSlotValue));
+
+ if(!dlSchedInfo->dlMsgAlloc[ueIdx]->dlMsgSchedInfo[schInfoIdx].isRetx)
+ {
+ /* If new data transmission is scheduled, send schedule results to RLC */
+ if((dlSchedInfo->dlMsgAlloc[ueIdx]->dlMsgSchedInfo[schInfoIdx].pduPres == PDSCH_PDU) ||
+ (dlSchedInfo->dlMsgAlloc[ueIdx]->dlMsgSchedInfo[schInfoIdx].pduPres == BOTH))
+ {
+ sendSchedRptToRlc(currDlSlot->dlInfo, dlSchedInfo->schSlotValue.dlMsgTime, ueIdx, schInfoIdx);
+
+ /* Add HARQ Proc to DL HARQ Proc Entity in UE */
+ addDlHqProcInUe(currDlSlot->dlInfo.schSlotValue.dlMsgTime, &macCb.macCell[cellIdx]->ueCb[ueIdx], \
+ dlSchedInfo->dlMsgAlloc[ueIdx]->dlMsgSchedInfo[schInfoIdx]);
+ }
+ }
+ else
+ {
+ /* For retransmission, fetch PDU to be retransmitted from DL HARQ entity and schedule on corresponding slot */
+
+ /* As of now this loop will run only once for one TB.
+ * TODO : update handling of fetched TB appropriately when support for two TB is added
+ */
+ for(cwIdx = 0; \
+ cwIdx < dlSchedInfo->dlMsgAlloc[ueIdx]->dlMsgSchedInfo[schInfoIdx].dlMsgPdschCfg.numCodewords;\
+ cwIdx++)
+ {
+ /* Fetch TB to be retransmitted */
+ txPduLen = dlSchedInfo->dlMsgAlloc[ueIdx]->dlMsgSchedInfo[schInfoIdx].dlMsgPdschCfg.codeword[cwIdx].tbSize;
+ retxTb = fetchTbfromDlHarqProc(currDlSlot->dlInfo.schSlotValue.dlMsgTime, \
+ &macCb.macCell[cellIdx]->ueCb[ueIdx], \
+ dlSchedInfo->dlMsgAlloc[ueIdx]->dlMsgSchedInfo[schInfoIdx].dlMsgInfo.harqProcNum, txPduLen);
+
+ /* Store PDU in corresponding DL slot */
+ MAC_ALLOC(txPdu, txPduLen);
+ if(!txPdu)
+ {
+ DU_LOG("\nERROR --> MAC : Memory allocation failed in MacProcRlcDlData");
+ return RFAILED;
+ }
+ memcpy(txPdu, retxTb, txPduLen);
+
+ currDlSlot->dlInfo.dlMsgAlloc[ueIdx]->dlMsgSchedInfo[schInfoIdx].dlMsgInfo.dlMsgPduLen = txPduLen;
+ currDlSlot->dlInfo.dlMsgAlloc[ueIdx]->dlMsgSchedInfo[schInfoIdx].dlMsgInfo.dlMsgPdu = txPdu;
+ }
+ }
+ }
+ }
}
}
if(dlSchedInfo->ulGrant != NULLP)
{
- currDlSlot = &macCb.macCell[cellIdx]->\
- dlSlot[dlSchedInfo->schSlotValue.ulDciTime.slot];
+ currDlSlot = &macCb.macCell[cellIdx]->dlSlot[dlSchedInfo->schSlotValue.ulDciTime.slot];
currDlSlot->dlInfo.ulGrant = dlSchedInfo->ulGrant;
}
}
}
/**
- * @brief Forming anf filling the MUX Pdu
+ * @brief process DL Paging allocation from scheduler
+ *
+ * @details
+ *
+ * Function : MacProcDlPageAlloc
+ *
+ * This function copied dl Pag info in the mac slot info
+ *
+ * @param[in] Pst *pst
+ * @param[in] DL Paging allocation from scheduler
+ * @return
+ * -# ROK
+ * -# RFAILED
+ **/
+uint8_t MacProcDlPageAlloc(Pst *pst, DlPageAlloc *dlPageAlloc)
+{
+ uint16_t cellIdx = 0;
+ MacDlSlot *currDlSlot = NULLP;
+
+#ifdef CALL_FLOW_DEBUG_LOG
+ DU_LOG("\nCall Flow: ENTSCH -> ENTMAC : EVENT_DL_PAGING_ALLOC\n");
+#endif
+ if(dlPageAlloc != NULLP)
+ {
+ GET_CELL_IDX(dlPageAlloc->cellId, cellIdx);
+
+ currDlSlot = &macCb.macCell[cellIdx]->dlSlot[dlPageAlloc->dlPageTime.slot];
+ MAC_ALLOC(currDlSlot->pageAllocInfo, sizeof(DlPageAlloc));
+ if(currDlSlot->pageAllocInfo == NULLP)
+ {
+ DU_LOG("\nERROR --> MAC : MacProcDlPageAlloc : Memory Allocation is failed!");
+ return RFAILED;
+ }
+ memcpy(currDlSlot->pageAllocInfo, dlPageAlloc, sizeof(DlPageAlloc));
+ currDlSlot->pageAllocInfo->pagePdcchCfg.dci.pdschCfg = \
+ &currDlSlot->pageAllocInfo->pagePdschCfg;
+ }
+ else
+ {
+ DU_LOG("\nERROR --> MAC : DL Paging Allocation is failed!");
+ return RFAILED;
+ }
+ return ROK;
+}
+
+/**
+ * @brief Forming and filling the MUX Pdu
* @details
*
* Function : fillMsg4Pdu
* @param[in] DlMsgAlloc *msg4Alloc
* @return void
**/
-void fillMsg4Pdu(uint16_t cellId, DlMsgAlloc *msg4Alloc)
+void fillMsg4Pdu(uint16_t cellId, DlMsgSchInfo *msg4SchInfo)
{
- uint8_t ueIdx;
+ uint8_t ueId = 0, ueIdx = 0;
uint16_t cellIdx;
uint16_t msg4TxPduLen;
MacDlData msg4DlData;
MacCeInfo macCeData;
+ DlHarqProcCb *hqProcCb;
GET_CELL_IDX(cellId, cellIdx);
memset(&msg4DlData, 0, sizeof(MacDlData));
memset(&macCeData, 0, sizeof(MacCeInfo));
- GET_UE_IDX(msg4Alloc->dlMsgInfo.crnti, ueIdx);
- ueIdx = ueIdx -1;
+ GET_UE_ID(msg4SchInfo->dlMsgInfo.crnti, ueId);
+ ueIdx = ueId -1;
if(macCb.macCell[cellIdx] == NULLP)
{
return;
}
+ hqProcCb = &macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4HqInfo;
+ msg4TxPduLen = hqProcCb->tbInfo[0].tbSize - TX_PAYLOAD_HDR_LEN;
+
if(macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4Pdu != NULLP)
{
MAC_ALLOC(msg4DlData.pduInfo[msg4DlData.numPdu].dlPdu, macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4PduLen);
if(msg4DlData.pduInfo[msg4DlData.numPdu].dlPdu != NULLP)
{
- msg4TxPduLen = macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4TbSize - TX_PAYLOAD_HDR_LEN;
-
fillMsg4DlData(&msg4DlData, macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4PduLen, \
macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4Pdu);
fillMacCe(&macCeData, macCb.macCell[cellIdx]->macRaCb[ueIdx].msg3Pdu);
+
/* Forming Mux Pdu */
- macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4TxPdu = NULLP;
- MAC_ALLOC(macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4TxPdu, msg4TxPduLen);
- if(macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4TxPdu != NULLP)
+ hqProcCb->tbInfo[0].tb = NULLP;
+ MAC_ALLOC(hqProcCb->tbInfo[0].tb, msg4TxPduLen);
+ if(hqProcCb->tbInfo[0].tb != NULLP)
{
- memset(macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4TxPdu, 0, msg4TxPduLen);
- macMuxPdu(&msg4DlData, &macCeData, macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4TxPdu, msg4TxPduLen);
+ memset(hqProcCb->tbInfo[0].tb, 0, msg4TxPduLen);
+ macMuxPdu(&msg4DlData, &macCeData, hqProcCb->tbInfo[0].tb, msg4TxPduLen);
}
else
{
}
/* Free memory allocated */
MAC_FREE(msg4DlData.pduInfo[msg4DlData.numPdu-1].dlPdu, macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4PduLen);
+ MAC_FREE(macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4Pdu, macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4PduLen);
+ macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4Pdu = NULLP;
+ macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4PduLen = 0;
msg4DlData.numPdu--;
+
}
}
/* storing msg4 Pdu in macDlSlot */
- if(macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4TxPdu)
+ if(hqProcCb->tbInfo[0].tb)
{
- msg4Alloc->dlMsgInfo.dlMsgPduLen = msg4TxPduLen;
- MAC_ALLOC(msg4Alloc->dlMsgInfo.dlMsgPdu, msg4Alloc->dlMsgInfo.dlMsgPduLen);
- if(msg4Alloc->dlMsgInfo.dlMsgPdu != NULLP)
+ msg4SchInfo->dlMsgInfo.dlMsgPduLen = msg4TxPduLen;
+ MAC_ALLOC(msg4SchInfo->dlMsgInfo.dlMsgPdu, msg4SchInfo->dlMsgInfo.dlMsgPduLen);
+ if(msg4SchInfo->dlMsgInfo.dlMsgPdu != NULLP)
{
- memcpy(msg4Alloc->dlMsgInfo.dlMsgPdu, macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4TxPdu, \
- msg4Alloc->dlMsgInfo.dlMsgPduLen);
+ memcpy(msg4SchInfo->dlMsgInfo.dlMsgPdu, hqProcCb->tbInfo[0].tb, \
+ msg4SchInfo->dlMsgInfo.dlMsgPduLen);
}
}
else
{
- DU_LOG("\nERROR --> MAC: Failed at macMuxPdu()");
+ DU_LOG("\nERROR --> MAC: Failed at fillMsg4Pdu()");
}
}
void buildAndSendMuxPdu(SlotTimingInfo currTimingInfo)
{
+ uint8_t ueIdx;
+ uint8_t schInfoIdx;
uint16_t cellIdx;
MacDlSlot *currDlSlot = NULLP;
SlotTimingInfo muxTimingInfo;
GET_CELL_IDX(currTimingInfo.cellId, cellIdx);
- ADD_DELTA_TO_TIME(currTimingInfo, muxTimingInfo, PHY_DELTA_DL);
+ ADD_DELTA_TO_TIME(currTimingInfo, muxTimingInfo, PHY_DELTA_DL, macCb.macCell[cellIdx]->numOfSlots);
currDlSlot = &macCb.macCell[cellIdx]->dlSlot[muxTimingInfo.slot];
- if(currDlSlot->dlInfo.dlMsgAlloc)
+
+ for(ueIdx=0; ueIdx<MAX_NUM_UE; ueIdx++)
{
- if(currDlSlot->dlInfo.dlMsgAlloc->dlMsgInfo.isMsg4Pdu)
+ if(currDlSlot->dlInfo.dlMsgAlloc[ueIdx])
{
- fillMsg4Pdu(currTimingInfo.cellId, currDlSlot->dlInfo.dlMsgAlloc);
- currDlSlot = NULLP;
+ for(schInfoIdx=0; schInfoIdx<currDlSlot->dlInfo.dlMsgAlloc[ueIdx]->numSchedInfo; schInfoIdx++)
+ {
+ if((currDlSlot->dlInfo.dlMsgAlloc[ueIdx]->dlMsgSchedInfo[schInfoIdx].dlMsgInfo.isMsg4Pdu) &&
+ ((currDlSlot->dlInfo.dlMsgAlloc[ueIdx]->dlMsgSchedInfo[schInfoIdx].pduPres == PDSCH_PDU) ||
+ (currDlSlot->dlInfo.dlMsgAlloc[ueIdx]->dlMsgSchedInfo[schInfoIdx].pduPres == BOTH)))
+ {
+ fillMsg4Pdu(currTimingInfo.cellId, &currDlSlot->dlInfo.dlMsgAlloc[ueIdx]->dlMsgSchedInfo[schInfoIdx]);
+ }
+ }
}
}
}
return ret;
} /* sendCellUpIndMacToDuApp */
+/*******************************************************************
+ *
+ * @brief Send slot indication to DU APP
+ *
+ * @details
+ *
+ * Function : sendSlotIndToDuApp
+ *
+ * Functionality:
+ * Send cell up indication to DU APP
+ *
+ * @params[in] Cell Up indication info
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t sendSlotIndToDuApp(SlotTimingInfo *slotInd)
+{
+ Pst pst;
+ uint16_t ret;
+ SlotTimingInfo *slotIndInfo;
+
+ /* Allocate sharable memory */
+ MAC_ALLOC_SHRABL_BUF(slotIndInfo, sizeof(SlotTimingInfo));
+ if(!slotIndInfo)
+ {
+ DU_LOG("\nERROR --> MAC : Memory allocation failed for slot indication");
+ return RFAILED;
+ }
+ memcpy(slotIndInfo, slotInd,sizeof(SlotTimingInfo));
+
+ /* Fill Pst */
+ FILL_PST_MAC_TO_DUAPP(pst, EVENT_MAC_SLOT_IND);
+
+ ret = MacDuAppSlotInd(&pst, slotIndInfo);
+ if(ret != ROK)
+ {
+ DU_LOG("\nERROR --> MAC: Failed to send slot up indication to DU APP");
+ MAC_FREE_SHRABL_BUF(MAC_MEM_REGION, MAC_POOL, slotIndInfo, sizeof(SlotTimingInfo));
+ }
+
+ return ret;
+}
/*******************************************************************
*
* @brief Process slot indication at MAC
}
#endif
- /* send slot indication to du app */
+ /*First Slot Ind is for CellUp. Any other Slot, will be notified to DUAPP as
+ * SLOT_IND*/
if(gSlotCount == 1)
{
+ /* send cell up indication to du app */
ret = sendCellUpIndMacToDuApp(slotInd->cellId);
- if(ret != ROK)
- {
- DU_LOG("\nERROR --> MAC :Sending of slot ind msg from MAC to DU APP failed");
- MAC_FREE_SHRABL_BUF(pst->region, pst->pool, slotInd, sizeof(SlotTimingInfo));
- return ret;
- }
+
+ }
+ else
+ {
+ /* send slot indication to du app */
+ ret = sendSlotIndToDuApp(slotInd);
+ }
+
+ if(ret != ROK)
+ {
+ DU_LOG("\nERROR --> MAC :Sending of slot ind msg from MAC to DU APP failed");
+ MAC_FREE_SHRABL_BUF(pst->region, pst->pool, slotInd, sizeof(SlotTimingInfo));
+ return ret;
}
/*stoping Task*/