+ memset(&msg4DlData, 0, sizeof(MacDlData));
+ memset(&macCeData, 0, sizeof(MacCeInfo));
+
+ GET_UE_ID(msg4SchInfo->dlMsgInfo.crnti, ueId);
+ ueIdx = ueId -1;
+
+ if(macCb.macCell[cellIdx] == NULLP)
+ {
+ DU_LOG("\nERROR --> MAC: Cell Id[%d] not found", cellId);
+ return;
+ }
+
+ 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)
+ {
+ memset(macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4TxPdu, 0, msg4TxPduLen);
+ macMuxPdu(&msg4DlData, &macCeData, macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4TxPdu, msg4TxPduLen);
+ }
+ else
+ {
+ DU_LOG("\nERROR --> MAC: Failed allocating memory for msg4TxPdu");
+ }
+ /* Free memory allocated */
+ MAC_FREE(msg4DlData.pduInfo[msg4DlData.numPdu-1].dlPdu, macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4PduLen);
+ msg4DlData.numPdu--;
+ }
+ }
+
+ /* storing msg4 Pdu in macDlSlot */
+ if(macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4TxPdu)
+ {
+ msg4SchInfo->dlMsgInfo.dlMsgPduLen = msg4TxPduLen;
+ MAC_ALLOC(msg4SchInfo->dlMsgInfo.dlMsgPdu, msg4SchInfo->dlMsgInfo.dlMsgPduLen);
+ if(msg4SchInfo->dlMsgInfo.dlMsgPdu != NULLP)
+ {
+ memcpy(msg4SchInfo->dlMsgInfo.dlMsgPdu, macCb.macCell[cellIdx]->macRaCb[ueIdx].msg4TxPdu, \
+ msg4SchInfo->dlMsgInfo.dlMsgPduLen);
+ }
+ }
+ else
+ {
+ DU_LOG("\nERROR --> MAC: Failed at fillMsg4Pdu()");
+ }
+}
+
+/**
+ * @brief Builds and Send the Muxed Pdu to Lower MAC
+ *
+ * @details
+ *
+ * Function : buildAndSendMuxPdu
+ *
+ * Build and Sends the Muxed Pdu to Lower MAC.
+ *
+ * @param[in] SlotTimingInfo *slotInd
+ * @return void
+ **/
+
+void buildAndSendMuxPdu(SlotTimingInfo currTimingInfo)
+{
+ uint8_t ueIdx;
+ uint8_t schInfoIdx;
+ uint16_t cellIdx;
+ MacDlSlot *currDlSlot = NULLP;
+ SlotTimingInfo muxTimingInfo;
+ memset(&muxTimingInfo, 0, sizeof(SlotTimingInfo));
+
+ GET_CELL_IDX(currTimingInfo.cellId, cellIdx);
+
+ ADD_DELTA_TO_TIME(currTimingInfo, muxTimingInfo, PHY_DELTA_DL);
+ currDlSlot = &macCb.macCell[cellIdx]->dlSlot[muxTimingInfo.slot];
+
+ for(ueIdx=0; ueIdx<MAX_NUM_UE; ueIdx++)
+ {
+ if(currDlSlot->dlInfo.dlMsgAlloc[ueIdx])
+ {
+ 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)))