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"
30 #include "fapi_vendor_extension.h"
32 #include "lphy_stub.h"
33 #include "lwr_mac_upr_inf.h"
34 #include "mac_utils.h"
37 /*******************************************************************
39 * @brief Builds and sends param response to MAC CL
43 * Function : l1BldAndSndParamRsp
46 * - Builds and sends param response to MAC
48 * @params[in] Config request message pointer
49 * @return ROK - success
52 * ****************************************************************/
53 S16 l1BldAndSndParamRsp(void *msg)
58 fapi_param_resp_t *fapiParamRsp;
60 MAC_ALLOC(fapiParamRsp, sizeof(fapi_param_resp_t));
63 DU_LOG("PHY STUB: Memory allocation failed");
68 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_RELEASE_CAPABILITY_TAG, sizeof(uint16_t), 1, &msgLen);
69 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PHY_STATE_TAG, sizeof(uint16_t), 0, &msgLen);
70 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SKIP_BLANK_DL_CONFIG_TAG, sizeof(uint8_t), 0, &msgLen);
71 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SKIP_BLANK_UL_CONFIG_TAG, sizeof(uint8_t), 0, &msgLen);
72 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_NUM_CONFIG_TLVS_TO_REPORT_TYPE_TAG, sizeof(uint8_t), 0, &msgLen);
75 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_CYCLIC_PREFIX_TAG, sizeof(uint8_t), 1, &msgLen);
76 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_SUBCARRIER_SPACING_DL_TAG, sizeof(uint8_t), 1, &msgLen);
77 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_BANDWIDTH_DL_TAG, sizeof(uint16_t), 1, &msgLen);
78 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_SUBCARRIER_SPACING_UL_TAG, sizeof(uint8_t), 0, &msgLen);
79 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_BANDWIDTH_UL_TAG, sizeof(uint16_t), 0, &msgLen);
82 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_CCE_MAPPING_TYPE_TAG, sizeof(uint8_t), 0, &msgLen);
83 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_CORESET_OUTSIDE_FIRST_3_OFDM_SYMS_OF_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
84 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PRECODER_GRANULARITY_CORESET_TAG, sizeof(uint8_t), 0, &msgLen);
85 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDCCH_MU_MIMO_TAG, sizeof(uint8_t), 0, &msgLen);
86 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDCCH_PRECODER_CYCLING_TAG, sizeof(uint8_t), 0, &msgLen);
87 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_PDCCHS_PER_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
90 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUCCH_FORMATS_TAG, sizeof(uint8_t), 0, &msgLen);
91 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_PUCCHS_PER_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
94 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_MAPPING_TYPE_TAG, sizeof(uint8_t), 0, &msgLen);
95 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_ALLOCATION_TYPES_TAG, sizeof(uint8_t), 0, &msgLen);
96 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_VRB_TO_PRB_MAPPING_TAG, sizeof(uint8_t), 0, &msgLen);
97 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_CBG_TAG, sizeof(uint8_t), 0, &msgLen);
98 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_DMRS_CONFIG_TYPES_TAG, sizeof(uint8_t), 0, &msgLen);
99 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_DMRS_MAX_LENGTH_TAG, sizeof(uint8_t), 0, &msgLen);
100 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_DMRS_ADDITIONAL_POS_TAG, sizeof(uint8_t), 0, &msgLen);
101 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_PDSCHS_TBS_PER_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
102 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_NUMBER_MIMO_LAYERS_PDSCH_TAG, sizeof(uint8_t), 0, &msgLen);
103 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_MAX_MODULATION_ORDER_DL_TAG, sizeof(uint8_t), 0, &msgLen);
104 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_MU_MIMO_USERS_DL_TAG, sizeof(uint8_t), 0, &msgLen);
105 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_DATA_IN_DMRS_SYMBOLS_TAG, sizeof(uint8_t), 0, &msgLen);
106 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PREMPTIONSUPPORT_TAG, sizeof(uint8_t), 0, &msgLen);
107 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_NON_SLOT_SUPPORT_TAG, sizeof(uint8_t), 0, &msgLen);
110 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_UCI_MUX_ULSCH_IN_PUSCH_TAG, sizeof(uint8_t), 0, &msgLen);
111 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_UCI_ONLY_PUSCH_TAG, sizeof(uint8_t), 0, &msgLen);
112 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_FREQUENCY_HOPPING_TAG, sizeof(uint8_t), 0, &msgLen);
113 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_DMRS_CONFIG_TYPES_TAG, sizeof(uint8_t), 0, &msgLen);
114 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_DMRS_MAX_LEN_TAG, sizeof(uint8_t), 0, &msgLen);
115 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_DMRS_ADDITIONAL_POS_TAG, sizeof(uint8_t), 0, &msgLen);
116 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_CBG_TAG, sizeof(uint8_t), 0, &msgLen);
117 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_MAPPING_TYPE_TAG, sizeof(uint8_t), 0, &msgLen);
118 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_ALLOCATION_TYPES_TAG, sizeof(uint8_t), 0, &msgLen);
119 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_VRB_TO_PRB_MAPPING_TAG, sizeof(uint8_t), 0, &msgLen);
120 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_MAX_PTRS_PORTS_TAG, sizeof(uint8_t), 0, &msgLen);
121 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_PDUSCHS_TBS_PER_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
122 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_NUMBER_MIMO_LAYERS_NON_CB_PUSCH_TAG, sizeof(uint8_t), 0, &msgLen);
123 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_MODULATION_ORDER_UL_TAG, sizeof(uint8_t), 0, &msgLen);
124 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_MU_MIMO_USERS_UL_TAG, sizeof(uint8_t), 0, &msgLen);
125 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_DFTS_OFDM_SUPPORT_TAG, sizeof(uint8_t), 0, &msgLen);
126 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_AGGREGATION_FACTOR_TAG, sizeof(uint8_t), 0, &msgLen);
129 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PRACH_LONG_FORMATS_TAG, sizeof(uint8_t), 0, &msgLen);
130 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PRACH_SHORT_FORMATS_TAG, sizeof(uint8_t), 0, &msgLen);
131 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PRACH_RESTRICTED_SETS_TAG, sizeof(uint8_t), 0, &msgLen);
132 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_PRACH_FD_OCCASIONS_IN_A_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
134 /* MEASUREMENT TAG */
135 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_RSSI_MEASUREMENT_SUPPORT_TAG, sizeof(uint8_t), 0, &msgLen);
137 fapiParamRsp->number_of_tlvs = index;
138 msgLen += sizeof(fapi_param_resp_t) - sizeof(fapi_msg_t);
139 fillMsgHeader(&fapiParamRsp->header, FAPI_PARAM_RESPONSE, msgLen);
140 fapiParamRsp->error_code = MSG_OK;
142 DU_LOG("\nPHY_STUB: Sending Param Request to Lower Mac");
143 procPhyMessages(fapiParamRsp->header.msg_id, sizeof(fapi_param_resp_t), (void *)fapiParamRsp);
144 MAC_FREE(fapiParamRsp, sizeof(fapi_param_resp_t));
149 /*******************************************************************
151 * @brief Builds and sends config response to lower mac
155 * Function : l1BldAndSndConfigRsp
158 * - Builds and sends config response to MAC
160 * @params[in] Config request message pointer
161 * @return ROK - success
164 * ****************************************************************/
166 S16 l1BldAndSndConfigRsp(void *msg)
170 fapi_config_resp_t *fapiConfigRsp;
172 MAC_ALLOC(fapiConfigRsp, sizeof(fapi_config_resp_t));
175 DU_LOG("PHY STUB: Memory allocation failed");
178 memset(fapiConfigRsp, 0, sizeof(fapi_config_resp_t));
179 fapiConfigRsp->number_of_invalid_tlvs = NULLP;
180 fapiConfigRsp->number_of_inv_tlvs_idle_only = NULLP;
181 fapiConfigRsp->number_of_missing_tlvs = NULLP;
182 fapiConfigRsp->error_code = MSG_OK;
183 msgLen = sizeof(fapi_config_resp_t) - sizeof(fapi_msg_t);
184 fillMsgHeader(&fapiConfigRsp->header, FAPI_CONFIG_RESPONSE, msgLen);
186 DU_LOG("\nPHY_STUB: Sending Config Response to Lower Mac");
188 procPhyMessages(fapiConfigRsp->header.msg_id, \
189 sizeof(fapi_config_resp_t), (void *)fapiConfigRsp);
190 MAC_FREE(fapiConfigRsp, sizeof(fapi_config_resp_t));
194 /*******************************************************************
196 * @brief Handles param request received from MAC
200 * Function : l1HdlParamReq
203 * -Handles param request received from MAC
205 * @params[in] Message length
206 * Param request message pointer
210 * ****************************************************************/
212 void l1HdlParamReq(uint32_t msgLen, void *msg)
215 DU_LOG("\nPHY_STUB: Received Param Request in PHY");
217 /* Build and send PARAM RESPONSE */
218 if(l1BldAndSndParamRsp(msg)!= ROK)
220 DU_LOG("\nPHY_STUB: Failed Sending Param Response");
222 MAC_FREE(msg, sizeof(fapi_param_req_t));
226 /*******************************************************************
228 * @brief Handles config request received from MAC
232 * Function : l1HdlConfigReq
235 * -Handles config request received from MAC
237 * @params[in] Message length
238 * config request message pointer
242 * ****************************************************************/
244 void l1HdlConfigReq(uint32_t msgLen, void *msg)
247 p_fapi_api_queue_elem_t configReqElem = (p_fapi_api_queue_elem_t)msg;
248 fapi_config_req_t *configReq = (fapi_config_req_t *)(configReqElem +1);
250 DU_LOG("\nPHY_STUB: Received Config Request in PHY");
252 /* Handling CONFIG RESPONSE */
253 if(l1BldAndSndConfigRsp(configReq)!= ROK)
255 printf("\nPHY_STUB: Failed Sending config Response");
258 MAC_FREE(msg, msgLen);
263 /*******************************************************************
265 * @brief Build and Send CRC Indication
269 * Function : l1BuildAndSendCrcInd
272 * Build and Send CRC Indication
276 * @return ROK - success
279 * ****************************************************************/
280 uint16_t l1BuildAndSendCrcInd(uint16_t slot, uint16_t sfn)
284 fapi_crc_ind_t *crcInd;
286 MAC_ALLOC(crcInd, sizeof(fapi_crc_ind_t));
289 printf("\nPHY_STUB: Memory allocation failed for CRC Indication Message");
292 memset(crcInd, 0, sizeof(fapi_crc_ind_t));
294 /* TODO: Fill the required values. As of now only 1 CRC status PASS is filled */
299 crcInd->crc[idx].handle = 0;
300 crcInd->crc[idx].rnti = 0;
301 crcInd->crc[idx].harqId = 0;
302 crcInd->crc[idx].tbCrcStatus = 0;
303 crcInd->crc[idx].numCb = 1;
304 crcInd->crc[idx].cbCrcStatus[0] = 0;
305 crcInd->crc[idx].ul_cqi = 0;
306 crcInd->crc[idx].timingAdvance = 0;
307 crcInd->crc[idx].rssi = 0;
309 fillMsgHeader(&crcInd->header, FAPI_CRC_INDICATION, \
310 sizeof(fapi_crc_ind_t) - sizeof(fapi_msg_t));
312 /* Sending RACH indication to MAC */
313 DU_LOG("\nPHY STUB: Sending CRC Indication to MAC");
314 procPhyMessages(crcInd->header.msg_id, sizeof(fapi_crc_ind_t), (void *)crcInd);
315 MAC_FREE(crcInd, sizeof(fapi_crc_ind_t));
318 } /* l1BuildAndSendCrcInd */
321 /*******************************************************************
323 * @brief Build and send Rx data indication
327 * Function : l1BuildAndSendRxDataInd
330 * Build and send Rx data indication
334 * @return ROK - success
337 * ****************************************************************/
338 uint16_t l1BuildAndSendRxDataInd(uint16_t slot, uint16_t sfn, fapi_ul_pusch_pdu_t puschPdu)
341 fapi_rx_data_indication_t *rxDataInd;
342 fapi_pdu_ind_info_t *pduInfo;
343 uint8_t *pdu = NULLP;
344 uint16_t byteIdx = 0;
351 type = MSG_TYPE_MSG3;
353 else if(!msg5ShortBsrSent)
355 msg5ShortBsrSent = true;
356 type = MSG_TYPE_SHORT_BSR;
361 type = MSG_TYPE_MSG5;
363 else if(!msgSecurityModeComp)
365 msgSecurityModeComp = true;
366 type = MSG_TYPE_SECURITY_MODE_COMPLETE;
371 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
374 printf("\nPHY_STUB: Memory allocation failed for Rx Data Indication");
377 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
379 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
380 rxDataInd->sfn = sfn;
381 rxDataInd->slot = slot;
382 rxDataInd->numPdus = 1;
384 pduInfo = &rxDataInd->pdus[idx];
385 pduInfo->handle = puschPdu.handle;
386 pduInfo->rnti = puschPdu.rnti;
387 pduInfo->harqId = puschPdu.puschData.harqProcessId;
388 pduInfo->pdu_length = puschPdu.puschData.tbSize ;
390 pduInfo->timingAdvance = 0;
393 /* Filling pdu with random values for testing */
394 pduInfo->pduData = NULL;
395 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
396 if(!pduInfo->pduData)
398 printf("\nPHY_STUB: Memory allocation failed for Rx Data Pdu");
403 pdu = (uint8_t *)pduInfo->pduData;
409 DU_LOG("\nPHY_STUB: Forming MSG3 PDU ");
410 /* For Initial RRC setup Request,
411 MAC subheader format is R/R/LCId (1byte)
413 From 38.321 section 6.1.1
416 /* Hardcoding MAC PDU */
422 pdu[byteIdx++] = 103;
427 case MSG_TYPE_SHORT_BSR:
429 DU_LOG("\nPHY_STUB: Forming SHORT BSR PDU ");
431 uint8_t bufferSizeIdx = 6;
434 MAC subheader format is R/R/LcId (1Byte)
436 From 38.321 section 6.1.1
438 pdu[byteIdx++] = 61; // LCID
439 pdu[byteIdx++] = (lcgId << 5) | bufferSizeIdx;
446 DU_LOG("\nPHY_STUB: Forming MSG5 PDU");
447 uint8_t msg5PduLen = 33;
448 /* For RRC setup complete
449 MAC subheader format is R/F/LCId/L (2/3 bytes)
451 L is length of PDU i.e 6bytes here
452 From 38.321 section 6.1.1
454 uint8_t msg5[] = {1, msg5PduLen, 0, 0, 16, 0, 5, 223, 128, 16, 94, \
455 64, 3, 64, 89, 61, 138, 64, 0, 0, 0, 4, 0, 0, 4, 68, 11, 128, \
456 184, 56, 0, 0, 0, 0, 0};
458 msg5PduLen += 2; /* 2bytes of header */
459 memcpy(pdu, &msg5, msg5PduLen);
460 byteIdx += msg5PduLen; /* 2 bytes of header */
464 case MSG_TYPE_SECURITY_MODE_COMPLETE:
466 DU_LOG("\nPHY_STUB: Forming SECURITY MODE COMPLETE PDU");
468 /* For security mode complete
469 MAC subheader format is R/F/LCId/L (2/3 bytes)
471 L is length of PDU i.e 6bytes here
472 From 38.321 section 6.1.1
474 uint8_t msg[] = {1, pduLen, 0, 0, 16, 0, 5, 223, 128, 16, 94, \
475 64, 3, 64, 89, 61, 138, 64, 0, 0, 0, 4, 0, 0, 4, 68, 11, 128, \
476 184, 56, 0, 0, 0, 0, 0};
478 pduLen += 2; /* 2bytes of header */
479 memcpy(pdu, &msg, pduLen);
480 byteIdx += pduLen; /* 2 bytes of header */
485 } /* End of switch(type) */
486 /* Filling MAC SDU for Padding bytes*/
487 if(byteIdx < pduInfo->pdu_length)
490 MAC subheader format is R/R/LCId (1byte)
491 LCId is 63 for padding
492 From 38.321 section 6.1.1
496 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
499 msgLen += pduInfo->pdu_length;
501 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
503 /* Sending Rx data indication to MAC */
504 DU_LOG("\nPHY STUB: Sending Rx data Indication to MAC");
505 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
507 if(pduInfo->pdu_length)
508 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
509 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
514 /*******************************************************************
516 * @brief Builds and Sends RACH indication to MAC
520 * Function : l1BuildAndSendRachInd
523 * Builds and Sends RACH indication to MAC
525 * @params[in] SFN value
527 * @return ROK - success
530 * ****************************************************************/
531 uint16_t l1BuildAndSendRachInd(uint16_t slot, uint16_t sfn)
534 uint8_t rachPduIdx = 0;
535 uint8_t preamIdx = 0;
536 fapi_rach_pdu_t *rachPdu;
537 fapi_rach_indication_t *rachInd;
539 /* Building RACH indication */
540 MAC_ALLOC(rachInd, sizeof(fapi_rach_indication_t));
543 printf("\nPHY_STUB: Memory allocation failed for Rach Indication Message");
546 memset(rachInd, 0, sizeof(fapi_rach_indication_t));
548 rachInd->slot = slot;
549 rachInd->numPdus = 1;
551 rachPdu = &rachInd->rachPdu[rachPduIdx];
552 rachPdu->phyCellId = NR_PCI;
553 rachPdu->symbolIndex = 0;
554 rachPdu->slotIndex = slot;
555 rachPdu->freqIndex = 0;
556 rachPdu->avgRssi = 0;
558 rachPdu->numPreamble = 1;
560 rachPdu->preambleInfo[preamIdx].preambleIndex = 3;
561 rachPdu->preambleInfo[preamIdx].timingAdvance = 0;
562 rachPdu->preambleInfo[preamIdx].preamblePwr = 0;
564 fillMsgHeader(&rachInd->header, FAPI_RACH_INDICATION, \
565 sizeof(fapi_rach_indication_t) - sizeof(fapi_msg_t));
567 /* Sending RACH indication to MAC */
568 DU_LOG("\nPHY STUB: Sending RACH Indication to MAC");
569 procPhyMessages(rachInd->header.msg_id, sizeof(fapi_rach_indication_t), (void *)rachInd);
570 MAC_FREE(rachInd, sizeof(fapi_rach_indication_t));
575 /*******************************************************************
577 * @brief Builds and Send the Slot Indication message to MAC
581 * Function : l1BuildAndSendSlotIndication
584 * -Send the Slot indication Message to MAC
586 * @params[in] Message length
587 * config request message pointer
591 * ****************************************************************/
592 uint16_t l1BuildAndSendSlotIndication()
595 fapi_slot_ind_t *slotIndMsg;
597 MAC_ALLOC(slotIndMsg, sizeof(fapi_slot_ind_t));
600 DU_LOG("\nPHY_STUB: Memory allocation failed for slot Indication Message");
605 memset(slotIndMsg, 0, sizeof(fapi_slot_ind_t));
606 slotIndMsg->sfn = sfnValue;
607 slotIndMsg->slot = slotValue;
609 #ifdef ODU_SLOT_IND_DEBUG_LOG
610 DU_LOG("\n\nPHY_STUB: SLOT indication [%d:%d]",sfnValue,slotValue);
612 /* increment for the next TTI */
614 if(sfnValue >= MAX_SFN_VALUE && slotValue > MAX_SLOT_VALUE)
619 else if(slotValue > MAX_SLOT_VALUE)
624 fillMsgHeader(&slotIndMsg->header, FAPI_SLOT_INDICATION, \
625 sizeof(fapi_slot_ind_t) - sizeof(fapi_msg_t));
626 procPhyMessages(slotIndMsg->header.msg_id, sizeof(fapi_slot_ind_t), (void*)slotIndMsg);
627 MAC_FREE(slotIndMsg, sizeof(fapi_slot_ind_t));
633 /*******************************************************************
635 * @brief Handles start request received from MAC
639 * Function : l1HdlStartReq
642 * -Handles start request received from MAC
644 * @params[in] Message length
645 * config request message pointer
649 * ****************************************************************/
651 S16 l1HdlStartReq(uint32_t msgLen, void *msg)
654 if(lwrMacCb.phyState == PHY_STATE_CONFIGURED)
656 l1HdlSlotIndicaion(FALSE);
657 MAC_FREE(msg, msgLen);
661 DU_LOG("\nPHY_STUB: Received Start Req in PHY State %d", lwrMacCb.phyState);
662 MAC_FREE(msg, msgLen);
669 /*******************************************************************
671 * @brief Handles Dl Tti request received from MAC
675 * Function : l1HdlDlTtiReq
678 * -Handles Dl Tti request received from MAC
680 * @params[in] Message length
681 * Dl Tti request message pointer
685 * ****************************************************************/
687 S16 l1HdlDlTtiReq(uint16_t msgLen, void *msg)
690 p_fapi_api_queue_elem_t dlTtiElem = (p_fapi_api_queue_elem_t)msg;
691 fapi_dl_tti_req_t *dlTtiReq = (fapi_dl_tti_req_t *)(dlTtiElem +1);
693 uint8_t pduCount = 0;
695 #ifdef ODU_SLOT_IND_DEBUG_LOG
696 if(dlTtiReq->nPdus == 0)
698 DU_LOG("\nPHY_STUB: No PDU in DL TTI Request");
702 DU_LOG("\nPHY STUB: DL TTI Request at sfn=%d slot=%d",dlTtiReq->sfn,dlTtiReq->slot);
706 for(pduCount=0; pduCount<dlTtiReq->nPdus; pduCount++)
708 if(dlTtiReq->pdus[pduCount].pduType == 3) //SSB_PDU_TYPE
710 DU_LOG("\nPHY_STUB: SSB PDU");
712 else if(dlTtiReq->pdus[pduCount].pduType == 0)
714 DU_LOG("\nPHY_STUB: PDCCH PDU");
715 if(dlTtiReq->pdus[pduCount].pdu.pdcch_pdu.\
721 else if(dlTtiReq->pdus[pduCount].pduType == 1)
723 DU_LOG("\nPHY_STUB: PDSCH PDU");
727 /* Free FAPI message */
728 MAC_FREE(msg, msgLen);
733 /*******************************************************************
735 * @brief Handles tx_data request received from MAC
739 * Function : l1HdlTxDataReq
742 * -Handles tx_data request received from MAC
744 * @params[in] Message length
745 * tx_data request message pointer
749 * ****************************************************************/
751 S16 l1HdlTxDataReq(uint16_t msgLen, void *msg)
754 p_fapi_api_queue_elem_t txDataElem = (p_fapi_api_queue_elem_t)msg;
755 fapi_tx_data_req_t *txDataReq = (fapi_tx_data_req_t *)(txDataElem +1);
757 DU_LOG("\nPHY STUB: TX DATA Request at sfn=%d slot=%d",txDataReq->sfn,txDataReq->slot);
760 DU_LOG("\nPHY_STUB: TxDataPdu for DED MSG sent");
763 MAC_FREE(msg, msgLen);
769 /*******************************************************************
771 * @brief Fills Uci Ind Pdu Info carried on Pucch Format 0/Format 1
775 * Function : fillPucchF0F1PduInfo
778 * Fills Uci Ind Pdu Info carried on Pucch Format 0/Format 1
780 * @params[in] fapi_uci_o_pucch_f0f1_t *
782 * @return ROK - success
785 * ****************************************************************/
786 uint8_t fillPucchF0F1PduInfo(fapi_uci_o_pucch_f0f1_t *pduInfo, fapi_ul_pucch_pdu_t pucchPdu)
790 pduInfo->handle = pucchPdu.handle;
791 pduInfo->pduBitmap = 1; //hardcoded for SR
792 pduInfo->pucchFormat = pucchPdu.formatType;
794 pduInfo->rnti = pucchPdu.rnti;
795 pduInfo->timingAdvance = 0;
797 if(pduInfo->pduBitmap & SR_PDU_BITMASK)
799 pduInfo->srInfo.srIndication = SR_DETECTED;
800 pduInfo->srInfo.srConfidenceLevel = CONFDC_LEVEL_GOOD;
802 if(pduInfo->pduBitmap & HARQ_PDU_BITMASK)
804 pduInfo->harqInfo.numHarq++;
805 pduInfo->harqInfo.harqConfidenceLevel = CONFDC_LEVEL_GOOD;
806 for(idx = 0; idx < pduInfo->harqInfo.numHarq; idx++)
808 pduInfo->harqInfo.harqValue[idx] = HARQ_PASS;
813 /*******************************************************************
815 * @brief Fills UCI Pdu Information
819 * Function : fillUciPduInfo
822 * Fills UCI Pdu Information
824 * @params[in] Pointer to uciPdu
826 * @return ROK - success
829 * ****************************************************************/
830 uint8_t fillUciPduInfo(fapi_uci_pdu_info_t *uciPdu, fapi_ul_pucch_pdu_t pucchPdu)
834 /*TODO: The pduType is hardcoded here to support
835 UCI Ind for PUCCH forat0/format1. This is to be
836 modified when we get SR form UE */
837 uciPdu->pduType = UCI_IND_PUCCH_F0F1;
838 switch(uciPdu->pduType)
842 case UCI_IND_PUCCH_F0F1:
844 fapi_uci_o_pucch_f0f1_t *pduInfo = NULLP;
846 pduInfo = &uciPdu->uci.uciPucchF0F1;
847 ret = fillPucchF0F1PduInfo(pduInfo, pucchPdu);
848 uciPdu->pduSize = sizeof(fapi_uci_o_pucch_f0f1_t);
851 case UCI_IND_PUCCH_F2F3F4:
854 DU_LOG("\nPHY_STUB: Invalid Pdu Type %d", uciPdu->pduType);
860 /*******************************************************************
862 * @brief Build and send Uci indication
866 * Function : l1BuildAndSendUciInd
869 * Build and send Uci indication
873 * @return ROK - success
876 * ****************************************************************/
877 uint8_t l1BuildAndSendUciInd(uint16_t slot, uint16_t sfn, fapi_ul_pucch_pdu_t pucchPdu)
880 uint8_t nUciPdus = 0;
883 fapi_uci_indication_t *uciInd = NULLP;
885 MAC_ALLOC(uciInd, sizeof(fapi_uci_indication_t));
888 printf("\nPHY_STUB: Memory allocation failed for UCI Indication");
891 memset(uciInd, 0, sizeof(fapi_uci_indication_t));
894 uciInd->numUcis = 1; //consdering the UCI Ind for SR
895 nUciPdus = uciInd->numUcis;
898 ret = fillUciPduInfo(&uciInd->uciPdu[uciIdx], pucchPdu);
904 msgLen = sizeof(fapi_uci_indication_t)- sizeof(fapi_msg_t);
905 fillMsgHeader(&uciInd->header, FAPI_UCI_INDICATION, msgLen);
907 /* Sending UCI indication to MAC */
908 DU_LOG("\nPHY STUB: Sending UCI Indication to MAC");
909 procPhyMessages(uciInd->header.msg_id, sizeof(fapi_uci_indication_t), (void *)uciInd);
911 MAC_FREE(uciInd, sizeof(fapi_uci_indication_t));
916 /*******************************************************************
918 * @brief Handles Ul Tti request received from MAC
922 * Function : l1HdlUlTtiReq
925 * -Handles Ul Tti request received from MAC
927 * @params[in] Message length
928 * Ul Tti request message pointer
932 * ****************************************************************/
934 S16 l1HdlUlTtiReq(uint16_t msgLen, void *msg)
937 p_fapi_api_queue_elem_t ulTtiElem = (p_fapi_api_queue_elem_t)msg;
938 fapi_ul_tti_req_t *ulTtiReq = (fapi_ul_tti_req_t *)(ulTtiElem +1);
939 uint8_t numPdus = ulTtiReq->nPdus;
941 #ifdef ODU_SLOT_IND_DEBUG_LOG
944 DU_LOG("\nPHY STUB: No PDU received in UL TTI Req");
948 DU_LOG("\nPHY STUB: Received UL TTI Request");
954 if(ulTtiReq->pdus[numPdus-1].pduType == 0)
956 DU_LOG("\nPHY STUB: PRACH PDU");
958 if(ulTtiReq->pdus[numPdus-1].pduType == 1)
960 DU_LOG("\nPHY STUB: PUSCH PDU");
961 l1BuildAndSendRxDataInd(ulTtiReq->slot, ulTtiReq->sfn, \
962 ulTtiReq->pdus[numPdus-1].pdu.pusch_pdu);
964 if(ulTtiReq->pdus[numPdus-1].pduType == 2)
966 DU_LOG("\nPHY STUB: PUCCH PDU");
967 fapi_ul_tti_req_t ulTtiSlotInd;
968 memset(&ulTtiSlotInd, 0, sizeof(fapi_ul_tti_req_t));
969 ulTtiSlotInd.slot = ulTtiReq->slot;
970 ulTtiSlotInd.sfn = ulTtiReq->sfn;
971 ADD_DELTA_TO_TIME(ulTtiSlotInd, ulTtiSlotInd, SLOT_DELAY);
972 l1BuildAndSendUciInd(ulTtiSlotInd.slot, ulTtiSlotInd.sfn, \
973 ulTtiReq->pdus[numPdus-1].pdu.pucch_pdu);
978 if(rachIndSent == false && ulTtiReq->sfn == 2 && ulTtiReq->slot == 6)
981 l1BuildAndSendRachInd(ulTtiReq->slot, ulTtiReq->sfn);
984 MAC_FREE(msg, msgLen);
989 /*******************************************************************
991 * @brief Builds and Send the stop Indication message to MAC
995 * Function : l1BuildAndSendStopInd
998 * -Send the Stop indication Message to MAC
1003 * ****************************************************************/
1004 uint16_t l1BuildAndSendStopInd()
1007 fapi_stop_ind_t *stopIndMsg = NULLP;
1008 uint32_t msgLen = 0;
1010 MAC_ALLOC(stopIndMsg, sizeof(fapi_stop_ind_t));
1013 DU_LOG("\nPHY_STUB: Memory allocation failed for stop Indication Message");
1018 fillMsgHeader(&stopIndMsg->header, FAPI_STOP_INDICATION, msgLen);
1019 DU_LOG("\n\nPHY_STUB: Processing Stop indication to MAC");
1020 procPhyMessages(stopIndMsg->header.msg_id,\
1021 sizeof(fapi_stop_ind_t), (void*)stopIndMsg);
1022 MAC_FREE(stopIndMsg, sizeof(fapi_stop_ind_t));
1028 /*******************************************************************
1030 * @brief Handles stop request received from MAC
1034 * Function : l1HdlStopReq
1037 * -Handles stop request received from MAC
1039 * @params[in] Message length
1040 * stop request message pointer
1044 * ****************************************************************/
1046 S16 l1HdlStopReq(uint32_t msgLen, void *msg)
1049 if(lwrMacCb.phyState == PHY_STATE_RUNNING)
1051 l1HdlSlotIndicaion(TRUE);
1052 DU_LOG("\nPHY_STUB: Slot Indication is stopped successfully");
1053 l1BuildAndSendStopInd();
1054 MAC_FREE(msg, msgLen);
1058 DU_LOG("\nPHY_STUB: Received Stop Req in PHY State %d", lwrMacCb.phyState);
1059 MAC_FREE(msg, msgLen);
1066 /*******************************************************************
1068 * @brief Build And Send Rx Data Ind for Msg5
1072 * Function : l1BuildAndSendMsg5
1074 * Functionality: Build And Send Rx Data Ind for Msg5
1078 * @return ROK - success
1081 * ****************************************************************/
1082 uint8_t l1BuildAndSendMsg5(uint16_t sfn, uint16_t slot)
1086 fapi_rx_data_indication_t *rxDataInd;
1087 fapi_pdu_ind_info_t *pduInfo;
1089 uint16_t byteIdx = 0;
1090 uint32_t msgLen = 0;
1092 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
1095 printf("\nPHY_STUB: Memory allocation failed for Rx Data Indication for msg5");
1098 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
1100 /* TODO: Fill the required values */
1101 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
1102 rxDataInd->sfn = sfn;
1103 rxDataInd->slot = slot;
1104 rxDataInd->numPdus = 1;
1106 pduInfo = &rxDataInd->pdus[idx];
1107 pduInfo->handle = 100;
1108 pduInfo->rnti = 100;
1109 pduInfo->harqId = 1;
1110 pduInfo->pdu_length = 25;
1111 pduInfo->ul_cqi = 0;
1112 pduInfo->timingAdvance = 0;
1115 /* Filling pdu with random values for testing */
1116 pduInfo->pduData = NULL;
1117 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
1118 if(!pduInfo->pduData)
1120 printf("\nPHY_STUB: Memory allocation failed for Rx Data Pdu");
1125 pdu = (uint8_t *)pduInfo->pduData;
1127 uint8_t msg5PduLen = 33;
1128 /* For RRC setup complete
1129 MAC subheader format is R/F/LCId/L (2/3 bytes)
1131 L is length of PDU i.e 6bytes here
1132 From 38.321 section 6.1.1
1134 uint8_t msg5[] = {1, msg5PduLen, 0, 0, 16, 0, 5, 223, 128, 16, 94, \
1135 64, 3, 64, 89, 61, 138, 64, 0, 0, 0, 4, 0, 0, 4, 68, 11, 128, \
1136 184, 56, 0, 0, 0, 0, 0};
1138 msg5PduLen += 2; /* 2bytes of header */
1139 memcpy(pdu, &msg5, msg5PduLen);
1140 byteIdx += msg5PduLen; /* 2 bytes of header */
1142 /* Filling MAC SDU for Padding bytes*/
1143 if(byteIdx < pduInfo->pdu_length)
1146 MAC subheader format is R/R/LCId (1byte)
1147 LCId is 63 for padding
1148 From 38.321 section 6.1.1
1150 pdu[byteIdx++] = 63;
1152 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
1155 msgLen += pduInfo->pdu_length;
1157 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
1159 /* Sending Rx data indication to MAC */
1160 DU_LOG("\nPHY STUB: Sending Rx data Indication to MAC");
1161 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
1163 if(pduInfo->pdu_length)
1164 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1165 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1170 /*******************************************************************
1172 * @brief Handles Ul Dci request received from MAC
1176 * Function : l1HdlUlDciReq
1179 * -Handles Ul Dci request received from MAC
1181 * @params[in] Message length
1182 * Ul Dci request message pointer
1186 * ****************************************************************/
1188 S16 l1HdlUlDciReq(uint16_t msgLen, void *msg)
1191 p_fapi_api_queue_elem_t ulDciElem = (p_fapi_api_queue_elem_t)msg;
1192 fapi_ul_dci_req_t *ulDciReq = (fapi_ul_dci_req_t *)(ulDciElem +1);
1193 uint8_t numPdus = ulDciReq->numPdus;
1197 if(ulDciReq->pdus[numPdus-1].pduType == 0)
1199 DU_LOG("\nPHY STUB: Received UL DCI Request for PDCCH PDU");
1200 //l1BuildAndSendMsg5(ulDciReq->sfn, ulDciReq->slot);
1206 MAC_FREE(msg, msgLen);
1211 /*******************************************************************
1213 * @brief Receives message from MAC
1217 * Function : l1ProcessFapiRequest
1220 * - Receives message from MAC and calls handler
1222 * @params[in] Message type
1228 * ****************************************************************/
1230 void l1ProcessFapiRequest(uint8_t msgType, uint32_t msgLen, void *msg)
1235 case FAPI_PARAM_REQUEST:
1236 l1HdlParamReq(msgLen, msg);
1238 case FAPI_CONFIG_REQUEST:
1239 l1HdlConfigReq(msgLen, msg);
1241 case FAPI_START_REQUEST:
1242 l1HdlStartReq(msgLen, msg);
1244 case FAPI_DL_TTI_REQUEST:
1245 l1HdlDlTtiReq(msgLen, msg);
1247 case FAPI_TX_DATA_REQUEST:
1248 l1HdlTxDataReq(msgLen, msg);
1250 case FAPI_UL_TTI_REQUEST:
1251 l1HdlUlTtiReq(msgLen, msg);
1253 case FAPI_STOP_REQUEST:
1254 l1HdlStopReq(msgLen, msg);
1256 case FAPI_UL_DCI_REQUEST:
1257 l1HdlUlDciReq(msgLen, msg);
1260 DU_LOG("\nPHY_STUB: Invalid message type[%x] received at PHY", msgType);
1265 /**********************************************************************
1267 **********************************************************************/