+/*******************************************************************
+ *
+ * @brief Build and Send CRC Indication
+ *
+ * @details
+ *
+ * Function : l1BuildAndSendCrcInd
+ *
+ * Functionality:
+ * Build and Send CRC Indication
+ *
+ * @params[in] Slot
+ * SFN
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint16_t l1BuildAndSendCrcInd(uint16_t slot, uint16_t sfn)
+{
+#ifdef INTEL_FAPI
+ uint8_t idx = 0;
+ fapi_crc_ind_t *crcInd;
+
+ MAC_ALLOC(crcInd, sizeof(fapi_crc_ind_t));
+ if(!crcInd)
+ {
+ printf("\nPHY_STUB: Memory allocation failed for CRC Indication Message");
+ return RFAILED;
+ }
+ memset(crcInd, 0, sizeof(fapi_crc_ind_t));
+
+ /* TODO: Fill the required values. As of now only 1 CRC status PASS is filled */
+ crcInd->sfn = sfn;
+ crcInd->slot = slot;
+ crcInd->numCrcs = 1;
+
+ crcInd->crc[idx].handle = 0;
+ crcInd->crc[idx].rnti = 0;
+ crcInd->crc[idx].harqId = 0;
+ crcInd->crc[idx].tbCrcStatus = 0;
+ crcInd->crc[idx].numCb = 1;
+ crcInd->crc[idx].cbCrcStatus[0] = 0;
+ crcInd->crc[idx].ul_cqi = 0;
+ crcInd->crc[idx].timingAdvance = 0;
+ crcInd->crc[idx].rssi = 0;
+
+ fillMsgHeader(&crcInd->header, FAPI_CRC_INDICATION, \
+ sizeof(fapi_crc_ind_t) - sizeof(fapi_msg_t));
+
+ /* Sending RACH indication to MAC */
+ DU_LOG("\nPHY STUB: Sending CRC Indication to MAC");
+ procPhyMessages(crcInd->header.msg_id, sizeof(fapi_crc_ind_t), (void *)crcInd);
+ MAC_FREE(crcInd, sizeof(fapi_crc_ind_t));
+#endif
+ return ROK;
+} /* l1BuildAndSendCrcInd */
+
+#ifdef INTEL_FAPI
+/*******************************************************************
+ *
+ * @brief Build and send Rx data indication
+ *
+ * @details
+ *
+ * Function : l1BuildAndSendRxDataInd
+ *
+ * Functionality:
+ * Build and send Rx data indication
+ *
+ * @params[in] SFN
+ * Slot
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint16_t l1BuildAndSendRxDataInd(uint16_t slot, uint16_t sfn, fapi_ul_pusch_pdu_t puschPdu)
+{
+ uint8_t idx = 0;
+ fapi_rx_data_indication_t *rxDataInd =NULLP;
+ fapi_pdu_ind_info_t *pduInfo =NULLP;
+ uint8_t *pdu = NULLP;
+ uint16_t byteIdx = 0;
+ uint32_t msgLen = 0;
+ MsgType type = 0;
+
+ if(!msg3Sent)
+ {
+ msg3Sent = true;
+ type = MSG_TYPE_MSG3;
+ sleep(2);
+ }
+ else if(!msg5ShortBsrSent)
+ {
+ msg5ShortBsrSent = true;
+ type = MSG_TYPE_SHORT_BSR;
+ }
+ else if(!msg5Sent)
+ {
+ msg5Sent = true;
+ type = MSG_TYPE_MSG5;
+ }
+ else if(!msgRegistrationComp)
+ {
+ msgRegistrationComp = true;
+ type = MSG_TYPE_REGISTRATION_COMPLETE;
+ }
+ else if(!msgSecurityModeComp)
+ {
+ msgSecurityModeComp = true;
+ type = MSG_TYPE_SECURITY_MODE_COMPLETE;
+ }
+ else if(!msgRrcReconfiguration)
+ {
+ msgRrcReconfiguration = true;
+ type = MSG_TYPE_RRC_RECONFIG_COMPLETE;
+ }
+ else
+ return RFAILED;
+
+ MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
+ if(!rxDataInd)
+ {
+ printf("\nPHY_STUB: Memory allocation failed for Rx Data Indication");
+ return RFAILED;
+ }
+ memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
+
+ msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
+ rxDataInd->sfn = sfn;
+ rxDataInd->slot = slot;
+ rxDataInd->numPdus = 1;
+
+ pduInfo = &rxDataInd->pdus[idx];
+ pduInfo->handle = puschPdu.handle;
+ pduInfo->rnti = puschPdu.rnti;
+ pduInfo->harqId = puschPdu.puschData.harqProcessId;
+ pduInfo->pdu_length = puschPdu.puschData.tbSize ;
+ pduInfo->ul_cqi = 0;
+ pduInfo->timingAdvance = 0;
+ pduInfo->rssi = 0;
+
+ /* Filling pdu with random values for testing */
+ pduInfo->pduData = NULL;
+ MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
+ if(!pduInfo->pduData)
+ {
+ printf("\nPHY_STUB: Memory allocation failed for Rx Data Pdu");
+ return RFAILED;
+ }
+ memset(pduInfo->pduData, 0, pduInfo->pdu_length);
+ /* Filling PDU */
+ pdu = (uint8_t *)pduInfo->pduData;
+
+ switch(type)
+ {
+ case MSG_TYPE_MSG3:
+ {
+ DU_LOG("\nPHY_STUB: Forming MSG3 PDU ");
+ /* For Initial RRC setup Request,
+ MAC subheader format is R/R/LCId (1byte)
+ LCId is CCCH(0)
+ From 38.321 section 6.1.1
+ */
+ pdu[byteIdx++] = 0;
+ /* Hardcoding MAC PDU */
+ pdu[byteIdx++] = 16;
+ pdu[byteIdx++] = 00;
+ pdu[byteIdx++] = 00;
+ pdu[byteIdx++] = 00;
+ pdu[byteIdx++] = 00;
+ pdu[byteIdx++] = 103;
+
+ break;
+ }
+ case MSG_TYPE_SHORT_BSR:
+ {
+ DU_LOG("\nPHY_STUB: Forming SHORT BSR PDU ");
+ uint8_t lcgId = 0;
+ uint8_t bufferSizeIdx = 6;
+
+ /* For Short BSR
+ MAC subheader format is R/R/LcId (1Byte)
+ LCId is 61
+ From 38.321 section 6.1.1
+ */
+ pdu[byteIdx++] = 61; // LCID
+ pdu[byteIdx++] = (lcgId << 5) | bufferSizeIdx;
+
+ break;
+ }
+
+ case MSG_TYPE_MSG5:
+ {
+ DU_LOG("\nPHY_STUB: Forming MSG5 PDU");
+ uint8_t msg5PduLen = 33;
+ /* For RRC setup complete
+ MAC subheader format is R/F/LCId/L (2/3 bytes)
+ LCId is 1 for SRB1
+ L is length of PDU i.e 6bytes here
+ From 38.321 section 6.1.1
+ */
+ uint8_t msg5[] = {1, msg5PduLen, 0, 0, 16, 0, 5, 223, 128, 16, 94, \
+ 64, 3, 64, 89, 61, 138, 64, 0, 0, 0, 4, 0, 0, 4, 68, 11, 128, \
+ 184, 56, 0, 0, 0, 0, 0};
+
+ msg5PduLen += 2; /* 2bytes of header */
+ memcpy(pdu, &msg5, msg5PduLen);
+ byteIdx += msg5PduLen; /* 2 bytes of header */
+ break;
+ }
+
+ case MSG_TYPE_SECURITY_MODE_COMPLETE:
+ {
+ DU_LOG("\nPHY_STUB: Forming SECURITY MODE COMPLETE PDU");
+ uint8_t pduLen = 12;
+ /* For security mode complete where RRC Container is dummy
+ MAC subheader format is R/F/LCId/L (2/3 bytes)
+ LCId is 1 for SRB1
+ L is length of PDU i.e 6bytes here
+ From 38.321 section 6.1.1
+ */
+ uint8_t msg[] = {1, pduLen, 0, 3, 0x2a, 0x40, 0, 0, 0, 0, 0, 0, 0, 0};
+
+ pduLen += 2; /* 2bytes of header */
+ memcpy(pdu, &msg, pduLen);
+ byteIdx += pduLen; /* 2 bytes of header */
+ break;
+ }
+ case MSG_TYPE_REGISTRATION_COMPLETE:
+ {
+
+ DU_LOG("\nPHY_STUB: Forming RRC REGISTRATION COMPLETE PDU");
+ uint8_t pduLen = 12;
+ /* For rrc reconfig complete where RRC Container is dummy
+ MAC subheader format is R/F/LCId/L (2/3 bytes)
+ LCId is 1 for SRB1
+ L is length of PDU i.e 6bytes here
+ From 38.321 section 6.1.1
+ */
+ uint8_t msg[] = {1, pduLen, 0, 0x04, 0x3a, 0x81, 0xbf, 0, 0x21, 0x80, 0, \
+ 0, 0, 0};
+
+ pduLen += 2; /* 2bytes of header */
+ memcpy(pdu, &msg, pduLen);
+ byteIdx += pduLen; /* 2 bytes of header */
+ break;
+ }
+ case MSG_TYPE_RRC_RECONFIG_COMPLETE:
+ {
+ DU_LOG("\nPHY_STUB: Forming RRC RECONFIGURATION COMPLETE PDU");
+ uint8_t pduLen = 14;
+ /* For rrc reconfig complete where RRC Container is dummy
+ MAC subheader format is R/F/LCId/L (2/3 bytes)
+ LCId is 1 for SRB1
+ L is length of PDU i.e 6bytes here
+ From 38.321 section 6.1.1
+ */
+ uint8_t msg[] = {1, pduLen, 0, 6, 8, 64, 0, 0, 0, 0, \
+ 0, 0, 0, 0, 0};
+
+ pduLen += 2; /* 2bytes of header */
+ memcpy(pdu, &msg, pduLen);
+ byteIdx += pduLen; /* 2 bytes of header */
+ break;
+
+ }
+
+ default:
+ break;
+ } /* End of switch(type) */
+ /* Filling MAC SDU for Padding bytes*/
+ if(byteIdx < pduInfo->pdu_length)
+ {
+ /* For Padding
+ MAC subheader format is R/R/LCId (1byte)
+ LCId is 63 for padding
+ From 38.321 section 6.1.1
+ */
+ pdu[byteIdx++] = 63;
+
+ for(; byteIdx < pduInfo->pdu_length; byteIdx++)
+ pdu[byteIdx] = 0;
+ }
+ msgLen += pduInfo->pdu_length;
+
+ fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
+
+ /* Sending Rx data indication to MAC */
+ DU_LOG("\nPHY STUB: Sending Rx data Indication to MAC");
+ procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
+
+ if(pduInfo->pdu_length)
+ MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
+ MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
+ return ROK;
+}
+#endif