1 /*******************************************************************************
2 ################################################################################
3 # Copyright (c) [2017-2019] [Radisys] #
5 # Licensed under the Apache License, Version 2.0 (the "License"); #
6 # you may not use this file except in compliance with the License. #
7 # You may obtain a copy of the License at #
9 # http://www.apache.org/licenses/LICENSE-2.0 #
11 # Unless required by applicable law or agreed to in writing, software #
12 # distributed under the License is distributed on an "AS IS" BASIS, #
13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
14 # See the License for the specific language governing permissions and #
15 # limitations under the License. #
16 ################################################################################
17 *******************************************************************************/
19 /*This file contains stub for PHY to handle messages to/from MAC CL */
21 #include "common_def.h"
24 #include "du_app_mac_inf.h"
25 #include "mac_sch_interface.h"
27 #include "lwr_mac_phy.h"
31 #include "lphy_stub.h"
32 #include "lwr_mac_upr_inf.h"
33 #include "mac_utils.h"
36 /*******************************************************************
38 * @brief Builds and sends param response to MAC CL
42 * Function : l1BldAndSndParamRsp
45 * - Builds and sends param response to MAC
47 * @params[in] Config request message pointer
48 * @return ROK - success
51 * ****************************************************************/
52 S16 l1BldAndSndParamRsp(void *msg)
57 fapi_param_resp_t *fapiParamRsp;
59 MAC_ALLOC(fapiParamRsp, sizeof(fapi_param_resp_t));
62 DU_LOG("PHY STUB: Memory allocation failed");
67 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_RELEASE_CAPABILITY_TAG, sizeof(uint16_t), 1, &msgLen);
68 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PHY_STATE_TAG, sizeof(uint16_t), 0, &msgLen);
69 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SKIP_BLANK_DL_CONFIG_TAG, sizeof(uint8_t), 0, &msgLen);
70 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SKIP_BLANK_UL_CONFIG_TAG, sizeof(uint8_t), 0, &msgLen);
71 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_NUM_CONFIG_TLVS_TO_REPORT_TYPE_TAG, sizeof(uint8_t), 0, &msgLen);
74 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_CYCLIC_PREFIX_TAG, sizeof(uint8_t), 1, &msgLen);
75 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_SUBCARRIER_SPACING_DL_TAG, sizeof(uint8_t), 1, &msgLen);
76 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_BANDWIDTH_DL_TAG, sizeof(uint16_t), 1, &msgLen);
77 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_SUBCARRIER_SPACING_UL_TAG, sizeof(uint8_t), 0, &msgLen);
78 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_BANDWIDTH_UL_TAG, sizeof(uint16_t), 0, &msgLen);
81 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_CCE_MAPPING_TYPE_TAG, sizeof(uint8_t), 0, &msgLen);
82 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_CORESET_OUTSIDE_FIRST_3_OFDM_SYMS_OF_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
83 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PRECODER_GRANULARITY_CORESET_TAG, sizeof(uint8_t), 0, &msgLen);
84 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDCCH_MU_MIMO_TAG, sizeof(uint8_t), 0, &msgLen);
85 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDCCH_PRECODER_CYCLING_TAG, sizeof(uint8_t), 0, &msgLen);
86 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_PDCCHS_PER_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
89 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUCCH_FORMATS_TAG, sizeof(uint8_t), 0, &msgLen);
90 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_PUCCHS_PER_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
93 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_MAPPING_TYPE_TAG, sizeof(uint8_t), 0, &msgLen);
94 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_ALLOCATION_TYPES_TAG, sizeof(uint8_t), 0, &msgLen);
95 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_VRB_TO_PRB_MAPPING_TAG, sizeof(uint8_t), 0, &msgLen);
96 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_CBG_TAG, sizeof(uint8_t), 0, &msgLen);
97 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_DMRS_CONFIG_TYPES_TAG, sizeof(uint8_t), 0, &msgLen);
98 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_DMRS_MAX_LENGTH_TAG, sizeof(uint8_t), 0, &msgLen);
99 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_DMRS_ADDITIONAL_POS_TAG, sizeof(uint8_t), 0, &msgLen);
100 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_PDSCHS_TBS_PER_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
101 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_NUMBER_MIMO_LAYERS_PDSCH_TAG, sizeof(uint8_t), 0, &msgLen);
102 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_MAX_MODULATION_ORDER_DL_TAG, sizeof(uint8_t), 0, &msgLen);
103 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_MU_MIMO_USERS_DL_TAG, sizeof(uint8_t), 0, &msgLen);
104 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_DATA_IN_DMRS_SYMBOLS_TAG, sizeof(uint8_t), 0, &msgLen);
105 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PREMPTIONSUPPORT_TAG, sizeof(uint8_t), 0, &msgLen);
106 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_NON_SLOT_SUPPORT_TAG, sizeof(uint8_t), 0, &msgLen);
109 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_UCI_MUX_ULSCH_IN_PUSCH_TAG, sizeof(uint8_t), 0, &msgLen);
110 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_UCI_ONLY_PUSCH_TAG, sizeof(uint8_t), 0, &msgLen);
111 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_FREQUENCY_HOPPING_TAG, sizeof(uint8_t), 0, &msgLen);
112 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_DMRS_CONFIG_TYPES_TAG, sizeof(uint8_t), 0, &msgLen);
113 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_DMRS_MAX_LEN_TAG, sizeof(uint8_t), 0, &msgLen);
114 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_DMRS_ADDITIONAL_POS_TAG, sizeof(uint8_t), 0, &msgLen);
115 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_CBG_TAG, sizeof(uint8_t), 0, &msgLen);
116 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_MAPPING_TYPE_TAG, sizeof(uint8_t), 0, &msgLen);
117 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_ALLOCATION_TYPES_TAG, sizeof(uint8_t), 0, &msgLen);
118 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_VRB_TO_PRB_MAPPING_TAG, sizeof(uint8_t), 0, &msgLen);
119 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_MAX_PTRS_PORTS_TAG, sizeof(uint8_t), 0, &msgLen);
120 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_PDUSCHS_TBS_PER_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
121 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_NUMBER_MIMO_LAYERS_NON_CB_PUSCH_TAG, sizeof(uint8_t), 0, &msgLen);
122 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_MODULATION_ORDER_UL_TAG, sizeof(uint8_t), 0, &msgLen);
123 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_MU_MIMO_USERS_UL_TAG, sizeof(uint8_t), 0, &msgLen);
124 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_DFTS_OFDM_SUPPORT_TAG, sizeof(uint8_t), 0, &msgLen);
125 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_AGGREGATION_FACTOR_TAG, sizeof(uint8_t), 0, &msgLen);
128 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PRACH_LONG_FORMATS_TAG, sizeof(uint8_t), 0, &msgLen);
129 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PRACH_SHORT_FORMATS_TAG, sizeof(uint8_t), 0, &msgLen);
130 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PRACH_RESTRICTED_SETS_TAG, sizeof(uint8_t), 0, &msgLen);
131 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_PRACH_FD_OCCASIONS_IN_A_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
133 /* MEASUREMENT TAG */
134 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_RSSI_MEASUREMENT_SUPPORT_TAG, sizeof(uint8_t), 0, &msgLen);
136 fapiParamRsp->number_of_tlvs = index;
137 msgLen += sizeof(fapi_param_resp_t) - sizeof(fapi_msg_t);
138 fillMsgHeader(&fapiParamRsp->header, FAPI_PARAM_RESPONSE, msgLen);
139 fapiParamRsp->error_code = MSG_OK;
141 DU_LOG("\nPHY_STUB: Sending Param Request to Lower Mac");
142 procPhyMessages(fapiParamRsp->header.msg_id, sizeof(fapi_param_resp_t), (void *)fapiParamRsp);
143 MAC_FREE(fapiParamRsp, sizeof(fapi_param_resp_t));
148 /*******************************************************************
150 * @brief Builds and sends config response to lower mac
154 * Function : l1BldAndSndConfigRsp
157 * - Builds and sends config response to MAC
159 * @params[in] Config request message pointer
160 * @return ROK - success
163 * ****************************************************************/
165 S16 l1BldAndSndConfigRsp(void *msg)
169 fapi_config_resp_t *fapiConfigRsp;
171 MAC_ALLOC(fapiConfigRsp, sizeof(fapi_config_resp_t));
174 DU_LOG("PHY STUB: Memory allocation failed");
177 memset(fapiConfigRsp, 0, sizeof(fapi_config_resp_t));
178 fapiConfigRsp->number_of_invalid_tlvs = NULLP;
179 fapiConfigRsp->number_of_inv_tlvs_idle_only = NULLP;
180 fapiConfigRsp->number_of_missing_tlvs = NULLP;
181 fapiConfigRsp->error_code = MSG_OK;
182 msgLen = sizeof(fapi_config_resp_t) - sizeof(fapi_msg_t);
183 fillMsgHeader(&fapiConfigRsp->header, FAPI_CONFIG_RESPONSE, msgLen);
185 DU_LOG("\nPHY_STUB: Sending Config Response to Lower Mac");
187 procPhyMessages(fapiConfigRsp->header.msg_id, \
188 sizeof(fapi_config_resp_t), (void *)fapiConfigRsp);
189 MAC_FREE(fapiConfigRsp, sizeof(fapi_config_resp_t));
193 /*******************************************************************
195 * @brief Handles param request received from MAC
199 * Function : l1HdlParamReq
202 * -Handles param request received from MAC
204 * @params[in] Message length
205 * Param request message pointer
209 * ****************************************************************/
211 void l1HdlParamReq(uint32_t msgLen, void *msg)
214 DU_LOG("\nPHY_STUB: Received Param Request in PHY");
216 /* Build and send PARAM RESPONSE */
217 if(l1BldAndSndParamRsp(msg)!= ROK)
219 DU_LOG("\nPHY_STUB: Failed Sending Param Response");
221 MAC_FREE(msg, sizeof(fapi_param_req_t));
225 /*******************************************************************
227 * @brief Handles config request received from MAC
231 * Function : l1HdlConfigReq
234 * -Handles config request received from MAC
236 * @params[in] Message length
237 * config request message pointer
241 * ****************************************************************/
243 void l1HdlConfigReq(uint32_t msgLen, void *msg)
246 fapi_config_req_t *configReq = (fapi_config_req_t *)msg;
248 DU_LOG("\nPHY_STUB: Received Config Request in PHY");
250 /* Handling CONFIG RESPONSE */
251 if(l1BldAndSndConfigRsp(msg)!= ROK)
253 printf("\nPHY_STUB: Failed Sending config Response");
256 MAC_FREE(configReq, msgLen);
261 /*******************************************************************
263 * @brief Build and Send CRC Indication
267 * Function : l1BuildAndSendCrcInd
270 * Build and Send CRC Indication
274 * @return ROK - success
277 * ****************************************************************/
278 uint16_t l1BuildAndSendCrcInd(uint16_t slot, uint16_t sfn)
282 fapi_crc_ind_t *crcInd;
284 MAC_ALLOC(crcInd, sizeof(fapi_crc_ind_t));
287 printf("\nPHY_STUB: Memory allocation failed for CRC Indication Message");
290 memset(crcInd, 0, sizeof(fapi_crc_ind_t));
292 /* TODO: Fill the required values. As of now only 1 CRC status PASS is filled */
297 crcInd->crc[idx].handle = 0;
298 crcInd->crc[idx].rnti = 0;
299 crcInd->crc[idx].harqId = 0;
300 crcInd->crc[idx].tbCrcStatus = 0;
301 crcInd->crc[idx].numCb = 1;
302 crcInd->crc[idx].cbCrcStatus[0] = 0;
303 crcInd->crc[idx].ul_cqi = 0;
304 crcInd->crc[idx].timingAdvance = 0;
305 crcInd->crc[idx].rssi = 0;
307 fillMsgHeader(&crcInd->header, FAPI_CRC_INDICATION, \
308 sizeof(fapi_crc_ind_t) - sizeof(fapi_msg_t));
310 /* Sending RACH indication to MAC */
311 DU_LOG("\nPHY STUB: Sending CRC Indication to MAC");
312 procPhyMessages(crcInd->header.msg_id, sizeof(fapi_crc_ind_t), (void *)crcInd);
313 MAC_FREE(crcInd, sizeof(fapi_crc_ind_t));
316 } /* l1BuildAndSendCrcInd */
319 /*******************************************************************
321 * @brief Build and send Rx data indication
325 * Function : l1BuildAndSendRxDataInd
328 * Build and send Rx data indication
332 * @return ROK - success
335 * ****************************************************************/
336 uint16_t l1BuildAndSendRxDataInd(uint16_t slot, uint16_t sfn, fapi_ul_pusch_pdu_t puschPdu)
339 fapi_rx_data_indication_t *rxDataInd;
340 fapi_pdu_ind_info_t *pduInfo;
342 uint16_t byteIdx = 0;
349 type = MSG_TYPE_MSG3;
351 else if(!msg5ShortBsrSent)
353 msg5ShortBsrSent = true;
354 type = MSG_TYPE_SHORT_BSR;
359 type = MSG_TYPE_MSG5;
360 msg5ShortBsrSent = false;
364 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
367 printf("\nPHY_STUB: Memory allocation failed for Rx Data Indication");
370 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
372 /* TODO: Fill the required values */
373 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
374 rxDataInd->sfn = sfn;
375 rxDataInd->slot = slot;
376 rxDataInd->numPdus = 1;
378 pduInfo = &rxDataInd->pdus[idx];
379 pduInfo->handle = puschPdu.handle;
380 pduInfo->rnti = puschPdu.rnti;
381 pduInfo->harqId = puschPdu.puschData.harqProcessId;
382 pduInfo->pdu_length = puschPdu.puschData.tbSize ;
384 pduInfo->timingAdvance = 0;
387 /* Filling pdu with random values for testing */
388 pduInfo->pduData = NULL;
389 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
390 if(!pduInfo->pduData)
392 printf("\nPHY_STUB: Memory allocation failed for Rx Data Pdu");
397 pdu = (uint8_t *)pduInfo->pduData;
403 /* For Initial RRC setup Request,
404 MAC subheader format is R/R/LCId (1byte)
406 From 38.321 section 6.1.1
408 DU_LOG("\nForming MSG3 PDU");
410 /* Hardcoding MAC PDU */
411 pdu[byteIdx++] = 181;
414 pdu[byteIdx++] = 170;
415 pdu[byteIdx++] = 132;
421 case MSG_TYPE_SHORT_BSR:
424 uint8_t bufferSizeIdx = 6;
426 DU_LOG("\nForming SHORT BSR PDU");
428 MAC subheader format is R/R/LcId (1Byte)
430 From 38.321 section 6.1.1
432 pdu[byteIdx++] = 61; // LCID
433 pdu[byteIdx++] = (lcgId << 5) | bufferSizeIdx;
440 DU_LOG("\nForming MSG5 PDU");
441 uint8_t msg5PduLen = 33;
442 /* For RRC setup complete
443 MAC subheader format is R/F/LCId/L (2/3 bytes)
445 L is length of PDU i.e 6bytes here
446 From 38.321 section 6.1.1
448 uint8_t msg5[] = {1, msg5PduLen, 0, 0, 16, 0, 5, 223, 128, 16, 94, \
449 64, 3, 64, 89, 61, 138, 64, 0, 0, 0, 4, 0, 0, 4, 68, 11, 128, \
450 184, 56, 0, 0, 0, 0, 0};
452 msg5PduLen += 2; /* 2bytes of header */
453 memcpy(pdu, &msg5, msg5PduLen);
454 byteIdx += msg5PduLen; /* 2 bytes of header */
459 } /* End of switch(type) */
460 /* Filling MAC SDU for Padding bytes*/
461 if(byteIdx < pduInfo->pdu_length)
464 MAC subheader format is R/R/LCId (1byte)
465 LCId is 63 for padding
466 From 38.321 section 6.1.1
470 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
473 msgLen += pduInfo->pdu_length;
475 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
477 /* Sending Rx data indication to MAC */
478 DU_LOG("\nPHY STUB: Sending Rx data Indication to MAC");
479 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
481 if(pduInfo->pdu_length)
482 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
483 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
488 /*******************************************************************
490 * @brief Builds and Sends RACH indication to MAC
494 * Function : l1BuildAndSendRachInd
497 * Builds and Sends RACH indication to MAC
499 * @params[in] SFN value
501 * @return ROK - success
504 * ****************************************************************/
505 uint16_t l1BuildAndSendRachInd(uint16_t slot, uint16_t sfn)
508 uint8_t rachPduIdx = 0;
509 uint8_t preamIdx = 0;
510 fapi_rach_pdu_t *rachPdu;
511 fapi_rach_indication_t *rachInd;
513 /* Building RACH indication */
514 MAC_ALLOC(rachInd, sizeof(fapi_rach_indication_t));
517 printf("\nPHY_STUB: Memory allocation failed for Rach Indication Message");
520 memset(rachInd, 0, sizeof(fapi_rach_indication_t));
522 rachInd->slot = slot;
523 rachInd->numPdus = 1;
525 rachPdu = &rachInd->rachPdu[rachPduIdx];
526 rachPdu->phyCellId = NR_PCI;
527 rachPdu->symbolIndex = 0;
528 rachPdu->slotIndex = slot;
529 rachPdu->freqIndex = 0;
530 rachPdu->avgRssi = 0;
532 rachPdu->numPreamble = 1;
534 rachPdu->preambleInfo[preamIdx].preambleIndex = 3;
535 rachPdu->preambleInfo[preamIdx].timingAdvance = 0;
536 rachPdu->preambleInfo[preamIdx].preamblePwr = 0;
538 fillMsgHeader(&rachInd->header, FAPI_RACH_INDICATION, \
539 sizeof(fapi_rach_indication_t) - sizeof(fapi_msg_t));
541 /* Sending RACH indication to MAC */
542 DU_LOG("\nPHY STUB: Sending RACH Indication to MAC");
543 procPhyMessages(rachInd->header.msg_id, sizeof(fapi_rach_indication_t), (void *)rachInd);
544 MAC_FREE(rachInd, sizeof(fapi_rach_indication_t));
549 /*******************************************************************
551 * @brief Builds and Send the Slot Indication message to MAC
555 * Function : l1BuildAndSendSlotIndication
558 * -Send the Slot indication Message to MAC
560 * @params[in] Message length
561 * config request message pointer
565 * ****************************************************************/
566 uint16_t l1BuildAndSendSlotIndication()
569 fapi_slot_ind_t *slotIndMsg;
571 MAC_ALLOC(slotIndMsg, sizeof(fapi_slot_ind_t));
574 DU_LOG("\nPHY_STUB: Memory allocation failed for slot Indication Message");
579 memset(slotIndMsg, 0, sizeof(fapi_slot_ind_t));
580 slotIndMsg->sfn = sfnValue;
581 slotIndMsg->slot = slotValue;
583 #ifdef ODU_SLOT_IND_DEBUG_LOG
584 DU_LOG("\n\nPHY_STUB: SLOT indication [%d:%d]",sfnValue,slotValue);
586 /* increment for the next TTI */
588 if(sfnValue >= MAX_SFN_VALUE && slotValue > MAX_SLOT_VALUE)
593 else if(slotValue > MAX_SLOT_VALUE)
598 fillMsgHeader(&slotIndMsg->header, FAPI_SLOT_INDICATION, \
599 sizeof(fapi_slot_ind_t) - sizeof(fapi_msg_t));
600 procPhyMessages(slotIndMsg->header.msg_id, sizeof(fapi_slot_ind_t), (void*)slotIndMsg);
601 MAC_FREE(slotIndMsg, sizeof(fapi_slot_ind_t));
607 /*******************************************************************
609 * @brief Handles start request received from MAC
613 * Function : l1HdlStartReq
616 * -Handles start request received from MAC
618 * @params[in] Message length
619 * config request message pointer
623 * ****************************************************************/
625 S16 l1HdlStartReq(uint32_t msgLen, void *msg)
628 fapi_start_req_t *startReq = (fapi_start_req_t *)msg;
630 if(lwrMacCb.phyState == PHY_STATE_CONFIGURED)
632 l1HdlSlotIndicaion(FALSE);
633 MAC_FREE(startReq, sizeof(fapi_start_req_t));
637 DU_LOG("\nPHY_STUB: Received Start Req in PHY State %d", lwrMacCb.phyState);
644 /*******************************************************************
646 * @brief Handles Dl Tti request received from MAC
650 * Function : l1HdlDlTtiReq
653 * -Handles Dl Tti request received from MAC
655 * @params[in] Message length
656 * Dl Tti request message pointer
660 * ****************************************************************/
662 S16 l1HdlDlTtiReq(uint16_t msgLen, void *msg)
665 fapi_dl_tti_req_t *dlTtiReq;
666 dlTtiReq = (fapi_dl_tti_req_t *)msg;
668 uint8_t pduCount = 0;
670 #ifdef ODU_SLOT_IND_DEBUG_LOG
671 if(dlTtiReq->nPdus == 0)
673 DU_LOG("\nPHY_STUB: No PDU in DL TTI Request");
677 DU_LOG("\nPHY STUB: DL TTI Request at sfn=%d slot=%d",dlTtiReq->sfn,dlTtiReq->slot);
681 for(pduCount=0; pduCount<dlTtiReq->nPdus; pduCount++)
683 if(dlTtiReq->pdus[pduCount].pduType == 3) //SSB_PDU_TYPE
685 DU_LOG("\nPHY_STUB: SSB PDU");
687 else if(dlTtiReq->pdus[pduCount].pduType == 0)
689 DU_LOG("\nPHY_STUB: PDCCH PDU");
691 else if(dlTtiReq->pdus[pduCount].pduType == 1)
693 DU_LOG("\nPHY_STUB: PDSCH PDU");
697 /* Free FAPI message */
698 MAC_FREE(dlTtiReq, msgLen);
704 /*******************************************************************
706 * @brief Handles tx_data request received from MAC
710 * Function : l1HdlTxDataReq
713 * -Handles tx_data request received from MAC
715 * @params[in] Message length
716 * tx_data request message pointer
720 * ****************************************************************/
722 S16 l1HdlTxDataReq(uint16_t msgLen, void *msg)
725 fapi_tx_data_req_t *txDataReq;
726 txDataReq = (fapi_tx_data_req_t *)msg;
727 DU_LOG("\nPHY STUB: TX DATA Request at sfn=%d slot=%d",txDataReq->sfn,txDataReq->slot);
728 MAC_FREE(txDataReq, msgLen);
734 /*******************************************************************
736 * @brief Fills Uci Ind Pdu Info carried on Pucch Format 0/Format 1
740 * Function : fillPucchF0F1PduInfo
743 * Fills Uci Ind Pdu Info carried on Pucch Format 0/Format 1
745 * @params[in] fapi_uci_o_pucch_f0f1_t *
747 * @return ROK - success
750 * ****************************************************************/
751 uint8_t fillPucchF0F1PduInfo(fapi_uci_o_pucch_f0f1_t *pduInfo, fapi_ul_pucch_pdu_t pucchPdu)
755 pduInfo->handle = pucchPdu.handle;
756 pduInfo->pduBitmap = 1; //hardcoded for SR
757 pduInfo->pucchFormat = pucchPdu.formatType;
759 pduInfo->rnti = pucchPdu.rnti;
760 pduInfo->timingAdvance = 0;
762 pduInfo->uciBits[idx] = 0; //TODO: FAPI spec ver. 222.10.01 has no info about UCI Bits
763 if(pduInfo->pduBitmap & SR_PDU_BITMASK)
765 pduInfo->srInfo.srIndication = SR_DETECTED;
766 pduInfo->srInfo.srConfidenceLevel = CONFDC_LEVEL_GOOD;
768 if(pduInfo->pduBitmap & HARQ_PDU_BITMASK)
770 pduInfo->harqInfo.numHarq++;
771 pduInfo->harqInfo.harqConfidenceLevel = CONFDC_LEVEL_GOOD;
772 for(idx = 0; idx < pduInfo->harqInfo.numHarq; idx++)
774 pduInfo->harqInfo.harqValue[idx] = HARQ_PASS;
779 /*******************************************************************
781 * @brief Fills UCI Pdu Information
785 * Function : fillUciPduInfo
788 * Fills UCI Pdu Information
790 * @params[in] Pointer to uciPdu
792 * @return ROK - success
795 * ****************************************************************/
796 uint8_t fillUciPduInfo(fapi_uci_pdu_info_t *uciPdu, fapi_ul_pucch_pdu_t pucchPdu)
800 /*TODO: The pduType is hardcoded here to support
801 UCI Ind for PUCCH forat0/format1. This is to be
802 modified when we get SR form UE */
803 uciPdu->pduType = UCI_IND_PUCCH_F0F1;
804 switch(uciPdu->pduType)
808 case UCI_IND_PUCCH_F0F1:
810 fapi_uci_o_pucch_f0f1_t *pduInfo = NULLP;
812 pduInfo = &uciPdu->uci.uciPucchF0F1;
813 ret = fillPucchF0F1PduInfo(pduInfo, pucchPdu);
814 uciPdu->pduSize = sizeof(fapi_uci_o_pucch_f0f1_t);
817 case UCI_IND_PUCCH_F2F3F4:
820 DU_LOG("\nPHY_STUB: Invalid Pdu Type %d", uciPdu->pduType);
826 /*******************************************************************
828 * @brief Build and send Uci indication
832 * Function : l1BuildAndSendUciInd
835 * Build and send Uci indication
839 * @return ROK - success
842 * ****************************************************************/
843 uint8_t l1BuildAndSendUciInd(uint16_t slot, uint16_t sfn, fapi_ul_pucch_pdu_t pucchPdu)
846 uint8_t nUciPdus = 0;
849 fapi_uci_indication_t *uciInd = NULLP;
851 MAC_ALLOC(uciInd, sizeof(fapi_uci_indication_t));
854 printf("\nPHY_STUB: Memory allocation failed for UCI Indication");
857 memset(uciInd, 0, sizeof(fapi_uci_indication_t));
860 uciInd->numUcis = 1; //consdering the UCI Ind for SR
861 nUciPdus = uciInd->numUcis;
864 ret = fillUciPduInfo(&uciInd->uciPdu[uciIdx], pucchPdu);
870 msgLen = sizeof(fapi_uci_indication_t)- sizeof(fapi_msg_t);
871 fillMsgHeader(&uciInd->header, FAPI_UCI_INDICATION, msgLen);
873 /* Sending UCI indication to MAC */
874 DU_LOG("\nPHY STUB: Sending UCI Indication to MAC");
875 procPhyMessages(uciInd->header.msg_id, sizeof(fapi_uci_indication_t), (void *)uciInd);
877 MAC_FREE(uciInd, sizeof(fapi_uci_indication_t));
882 /*******************************************************************
884 * @brief Handles Ul Tti request received from MAC
888 * Function : l1HdlUlTtiReq
891 * -Handles Ul Tti request received from MAC
893 * @params[in] Message length
894 * Ul Tti request message pointer
898 * ****************************************************************/
900 S16 l1HdlUlTtiReq(uint16_t msgLen, void *msg)
903 fapi_ul_tti_req_t *ulTtiReq = NULLP;
904 ulTtiReq = (fapi_ul_tti_req_t *)msg;
905 uint8_t numPdus = ulTtiReq->nPdus;
907 #ifdef ODU_SLOT_IND_DEBUG_LOG
910 DU_LOG("\nPHY STUB: No PDU received in UL TTI Req");
914 DU_LOG("\nPHY STUB: Received UL TTI Request");
920 if(ulTtiReq->pdus[numPdus-1].pduType == 0)
922 DU_LOG("\nPHY STUB: PRACH PDU");
924 if(ulTtiReq->pdus[numPdus-1].pduType == 1)
926 DU_LOG("\nPHY STUB: PUSCH PDU");
927 l1BuildAndSendRxDataInd(ulTtiReq->slot, ulTtiReq->sfn, \
928 ulTtiReq->pdus[numPdus-1].pdu.pusch_pdu);
930 if(ulTtiReq->pdus[numPdus-1].pduType == 2)
932 DU_LOG("\nPHY STUB: PUCCH PDU");
933 fapi_ul_tti_req_t ulTtiSlotInd;
934 memset(&ulTtiSlotInd, 0, sizeof(fapi_ul_tti_req_t));
935 ulTtiSlotInd.slot = ulTtiReq->slot;
936 ulTtiSlotInd.sfn = ulTtiReq->sfn;
937 ADD_DELTA_TO_TIME(ulTtiSlotInd, ulTtiSlotInd, SLOT_DELAY);
938 l1BuildAndSendUciInd(ulTtiSlotInd.slot, ulTtiSlotInd.sfn, \
939 ulTtiReq->pdus[numPdus-1].pdu.pucch_pdu);
944 if(rachIndSent == false && ulTtiReq->sfn == 2 && ulTtiReq->slot == 6)
947 l1BuildAndSendRachInd(ulTtiReq->slot, ulTtiReq->sfn);
950 MAC_FREE(ulTtiReq, msgLen);
955 /*******************************************************************
957 * @brief Builds and Send the stop Indication message to MAC
961 * Function : l1BuildAndSendStopInd
964 * -Send the Stop indication Message to MAC
969 * ****************************************************************/
970 uint16_t l1BuildAndSendStopInd()
973 fapi_stop_ind_t *stopIndMsg = NULLP;
976 MAC_ALLOC(stopIndMsg, sizeof(fapi_stop_ind_t));
979 DU_LOG("\nPHY_STUB: Memory allocation failed for stop Indication Message");
984 fillMsgHeader(&stopIndMsg->header, FAPI_STOP_INDICATION, msgLen);
985 DU_LOG("\n\nPHY_STUB: Processing Stop indication to MAC");
986 procPhyMessages(stopIndMsg->header.msg_id,\
987 sizeof(fapi_stop_ind_t), (void*)stopIndMsg);
988 MAC_FREE(stopIndMsg, sizeof(fapi_stop_ind_t));
994 /*******************************************************************
996 * @brief Handles stop request received from MAC
1000 * Function : l1HdlStopReq
1003 * -Handles stop request received from MAC
1005 * @params[in] Message length
1006 * stop request message pointer
1010 * ****************************************************************/
1012 S16 l1HdlStopReq(uint32_t msgLen, void *msg)
1015 fapi_stop_req_t *stopReq = (fapi_stop_req_t *)msg;
1017 if(lwrMacCb.phyState == PHY_STATE_RUNNING)
1019 l1HdlSlotIndicaion(TRUE);
1020 DU_LOG("\nPHY_STUB: Slot Indication is stopped successfully");
1021 l1BuildAndSendStopInd();
1022 MAC_FREE(stopReq, msgLen);
1026 DU_LOG("\nPHY_STUB: Received Stop Req in PHY State %d", lwrMacCb.phyState);
1033 /*******************************************************************
1035 * @brief Build And Send Rx Data Ind for Msg5
1039 * Function : l1BuildAndSendMsg5
1041 * Functionality: Build And Send Rx Data Ind for Msg5
1045 * @return ROK - success
1048 * ****************************************************************/
1049 uint8_t l1BuildAndSendMsg5(uint16_t sfn, uint16_t slot)
1053 fapi_rx_data_indication_t *rxDataInd;
1054 fapi_pdu_ind_info_t *pduInfo;
1056 uint16_t byteIdx = 0;
1057 uint32_t msgLen = 0;
1059 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
1062 printf("\nPHY_STUB: Memory allocation failed for Rx Data Indication for msg5");
1065 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
1067 /* TODO: Fill the required values */
1068 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
1069 rxDataInd->sfn = sfn;
1070 rxDataInd->slot = slot;
1071 rxDataInd->numPdus = 1;
1073 pduInfo = &rxDataInd->pdus[idx];
1074 pduInfo->handle = 100;
1075 pduInfo->rnti = 100;
1076 pduInfo->harqId = 1;
1077 pduInfo->pdu_length = 25;
1078 pduInfo->ul_cqi = 0;
1079 pduInfo->timingAdvance = 0;
1082 /* Filling pdu with random values for testing */
1083 pduInfo->pduData = NULL;
1084 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
1085 if(!pduInfo->pduData)
1087 printf("\nPHY_STUB: Memory allocation failed for Rx Data Pdu");
1092 pdu = (uint8_t *)pduInfo->pduData;
1094 uint8_t msg5PduLen = 33;
1095 /* For RRC setup complete
1096 MAC subheader format is R/F/LCId/L (2/3 bytes)
1098 L is length of PDU i.e 6bytes here
1099 From 38.321 section 6.1.1
1101 uint8_t msg5[] = {1, msg5PduLen, 0, 0, 16, 0, 5, 223, 128, 16, 94, \
1102 64, 3, 64, 89, 61, 138, 64, 0, 0, 0, 4, 0, 0, 4, 68, 11, 128, \
1103 184, 56, 0, 0, 0, 0, 0};
1105 msg5PduLen += 2; /* 2bytes of header */
1106 memcpy(pdu, &msg5, msg5PduLen);
1107 byteIdx += msg5PduLen; /* 2 bytes of header */
1109 /* Filling MAC SDU for Padding bytes*/
1110 if(byteIdx < pduInfo->pdu_length)
1113 MAC subheader format is R/R/LCId (1byte)
1114 LCId is 63 for padding
1115 From 38.321 section 6.1.1
1117 pdu[byteIdx++] = 63;
1119 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
1122 msgLen += pduInfo->pdu_length;
1124 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
1126 /* Sending Rx data indication to MAC */
1127 DU_LOG("\nPHY STUB: Sending Rx data Indication to MAC");
1128 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
1130 if(pduInfo->pdu_length)
1131 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1132 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1137 /*******************************************************************
1139 * @brief Handles Ul Dci request received from MAC
1143 * Function : l1HdlUlDciReq
1146 * -Handles Ul Dci request received from MAC
1148 * @params[in] Message length
1149 * Ul Dci request message pointer
1153 * ****************************************************************/
1155 S16 l1HdlUlDciReq(uint16_t msgLen, void *msg)
1158 fapi_ul_dci_req_t *ulDciReq = NULLP;
1160 ulDciReq = (fapi_ul_dci_req_t *)msg;
1161 uint8_t numPdus = ulDciReq->numPdus;
1165 if(ulDciReq->pdus[numPdus-1].pduType == 0)
1167 DU_LOG("\nPHY STUB: Received UL DCI Request for PDCCH PDU");
1168 //l1BuildAndSendMsg5(ulDciReq->sfn, ulDciReq->slot);
1174 MAC_FREE(ulDciReq, msgLen);
1179 /*******************************************************************
1181 * @brief Receives message from MAC
1185 * Function : l1ProcessFapiRequest
1188 * - Receives message from MAC and calls handler
1190 * @params[in] Message type
1196 * ****************************************************************/
1198 void l1ProcessFapiRequest(uint8_t msgType, uint32_t msgLen, void *msg)
1203 case FAPI_PARAM_REQUEST:
1204 l1HdlParamReq(msgLen, msg);
1206 case FAPI_CONFIG_REQUEST:
1207 l1HdlConfigReq(msgLen, msg);
1209 case FAPI_START_REQUEST:
1210 l1HdlStartReq(msgLen, msg);
1212 case FAPI_DL_TTI_REQUEST:
1213 l1HdlDlTtiReq(msgLen, msg);
1215 case FAPI_TX_DATA_REQUEST:
1216 l1HdlTxDataReq(msgLen, msg);
1218 case FAPI_UL_TTI_REQUEST:
1219 l1HdlUlTtiReq(msgLen, msg);
1221 case FAPI_STOP_REQUEST:
1222 l1HdlStopReq(msgLen, msg);
1224 case FAPI_UL_DCI_REQUEST:
1225 l1HdlUlDciReq(msgLen, msg);
1228 DU_LOG("\nPHY_STUB: Invalid message type[%x] received at PHY", msgType);
1233 /**********************************************************************
1235 **********************************************************************/