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;
354 else if(!msg5ShortBsrSent)
356 msg5ShortBsrSent = true;
357 type = MSG_TYPE_SHORT_BSR;
362 type = MSG_TYPE_MSG5;
364 else if(!msgRegistrationComp)
366 msgRegistrationComp = true;
367 type = MSG_TYPE_REGISTRATION_COMPLETE;
369 else if(!msgSecurityModeComp)
371 msgSecurityModeComp = true;
372 type = MSG_TYPE_SECURITY_MODE_COMPLETE;
374 else if(!msgRrcReconfiguration)
376 msgRrcReconfiguration = true;
377 type = MSG_TYPE_RRC_RECONFIG_COMPLETE;
382 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
385 printf("\nPHY_STUB: Memory allocation failed for Rx Data Indication");
388 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
390 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
391 rxDataInd->sfn = sfn;
392 rxDataInd->slot = slot;
393 rxDataInd->numPdus = 1;
395 pduInfo = &rxDataInd->pdus[idx];
396 pduInfo->handle = puschPdu.handle;
397 pduInfo->rnti = puschPdu.rnti;
398 pduInfo->harqId = puschPdu.puschData.harqProcessId;
399 pduInfo->pdu_length = puschPdu.puschData.tbSize ;
401 pduInfo->timingAdvance = 0;
404 /* Filling pdu with random values for testing */
405 pduInfo->pduData = NULL;
406 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
407 if(!pduInfo->pduData)
409 printf("\nPHY_STUB: Memory allocation failed for Rx Data Pdu");
414 pdu = (uint8_t *)pduInfo->pduData;
420 DU_LOG("\nPHY_STUB: Forming MSG3 PDU ");
421 /* For Initial RRC setup Request,
422 MAC subheader format is R/R/LCId (1byte)
424 From 38.321 section 6.1.1
427 /* Hardcoding MAC PDU */
433 pdu[byteIdx++] = 103;
437 case MSG_TYPE_SHORT_BSR:
439 DU_LOG("\nPHY_STUB: Forming SHORT BSR PDU ");
441 uint8_t bufferSizeIdx = 6;
444 MAC subheader format is R/R/LcId (1Byte)
446 From 38.321 section 6.1.1
448 pdu[byteIdx++] = 61; // LCID
449 pdu[byteIdx++] = (lcgId << 5) | bufferSizeIdx;
456 DU_LOG("\nPHY_STUB: Forming MSG5 PDU");
457 uint8_t msg5PduLen = 33;
458 /* For RRC setup complete
459 MAC subheader format is R/F/LCId/L (2/3 bytes)
461 L is length of PDU i.e 6bytes here
462 From 38.321 section 6.1.1
464 uint8_t msg5[] = {1, msg5PduLen, 0, 0, 16, 0, 5, 223, 128, 16, 94, \
465 64, 3, 64, 89, 61, 138, 64, 0, 0, 0, 4, 0, 0, 4, 68, 11, 128, \
466 184, 56, 0, 0, 0, 0, 0};
468 msg5PduLen += 2; /* 2bytes of header */
469 memcpy(pdu, &msg5, msg5PduLen);
470 byteIdx += msg5PduLen; /* 2 bytes of header */
474 case MSG_TYPE_SECURITY_MODE_COMPLETE:
476 DU_LOG("\nPHY_STUB: Forming SECURITY MODE COMPLETE PDU");
478 /* For security mode complete where RRC Container is dummy
479 MAC subheader format is R/F/LCId/L (2/3 bytes)
481 L is length of PDU i.e 6bytes here
482 From 38.321 section 6.1.1
484 uint8_t msg[] = {1, pduLen, 0, 3, 0x2a, 0x40, 0, 0, 0, 0, 0, 0, 0, 0};
486 pduLen += 2; /* 2bytes of header */
487 memcpy(pdu, &msg, pduLen);
488 byteIdx += pduLen; /* 2 bytes of header */
491 case MSG_TYPE_REGISTRATION_COMPLETE:
494 DU_LOG("\nPHY_STUB: Forming RRC REGISTRATION COMPLETE PDU");
496 /* For rrc reconfig complete where RRC Container is dummy
497 MAC subheader format is R/F/LCId/L (2/3 bytes)
499 L is length of PDU i.e 6bytes here
500 From 38.321 section 6.1.1
502 uint8_t msg[] = {1, pduLen, 0, 0x04, 0x3a, 0x81, 0xbf, 0, 0x21, 0x80, 0, \
505 pduLen += 2; /* 2bytes of header */
506 memcpy(pdu, &msg, pduLen);
507 byteIdx += pduLen; /* 2 bytes of header */
510 case MSG_TYPE_RRC_RECONFIG_COMPLETE:
512 DU_LOG("\nPHY_STUB: Forming RRC RECONFIGURATION PDU");
514 /* For rrc reconfig complete where RRC Container is dummy
515 MAC subheader format is R/F/LCId/L (2/3 bytes)
517 L is length of PDU i.e 6bytes here
518 From 38.321 section 6.1.1
520 uint8_t msg[] = {1, pduLen, 0, 6, 8, 64, 0, 0, 0, 0, \
523 pduLen += 2; /* 2bytes of header */
524 memcpy(pdu, &msg, pduLen);
525 byteIdx += pduLen; /* 2 bytes of header */
532 } /* End of switch(type) */
533 /* Filling MAC SDU for Padding bytes*/
534 if(byteIdx < pduInfo->pdu_length)
537 MAC subheader format is R/R/LCId (1byte)
538 LCId is 63 for padding
539 From 38.321 section 6.1.1
543 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
546 msgLen += pduInfo->pdu_length;
548 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
550 /* Sending Rx data indication to MAC */
551 DU_LOG("\nPHY STUB: Sending Rx data Indication to MAC");
552 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
554 if(pduInfo->pdu_length)
555 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
556 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
561 /*******************************************************************
563 * @brief Builds and Sends RACH indication to MAC
567 * Function : l1BuildAndSendRachInd
570 * Builds and Sends RACH indication to MAC
572 * @params[in] SFN value
574 * @return ROK - success
577 * ****************************************************************/
578 uint16_t l1BuildAndSendRachInd(uint16_t slot, uint16_t sfn)
581 uint8_t rachPduIdx = 0;
582 uint8_t preamIdx = 0;
583 fapi_rach_pdu_t *rachPdu;
584 fapi_rach_indication_t *rachInd;
586 /* Building RACH indication */
587 MAC_ALLOC(rachInd, sizeof(fapi_rach_indication_t));
590 printf("\nPHY_STUB: Memory allocation failed for Rach Indication Message");
593 memset(rachInd, 0, sizeof(fapi_rach_indication_t));
595 rachInd->slot = slot;
596 rachInd->numPdus = 1;
598 rachPdu = &rachInd->rachPdu[rachPduIdx];
599 rachPdu->phyCellId = NR_PCI;
600 rachPdu->symbolIndex = 0;
601 rachPdu->slotIndex = slot;
602 rachPdu->freqIndex = 0;
603 rachPdu->avgRssi = 0;
605 rachPdu->numPreamble = 1;
607 rachPdu->preambleInfo[preamIdx].preambleIndex = 3;
608 rachPdu->preambleInfo[preamIdx].timingAdvance = 0;
609 rachPdu->preambleInfo[preamIdx].preamblePwr = 0;
611 fillMsgHeader(&rachInd->header, FAPI_RACH_INDICATION, \
612 sizeof(fapi_rach_indication_t) - sizeof(fapi_msg_t));
614 /* Sending RACH indication to MAC */
615 DU_LOG("\nPHY STUB: Sending RACH Indication to MAC");
616 procPhyMessages(rachInd->header.msg_id, sizeof(fapi_rach_indication_t), (void *)rachInd);
617 MAC_FREE(rachInd, sizeof(fapi_rach_indication_t));
622 /*******************************************************************
624 * @brief Builds and Send the Slot Indication message to MAC
628 * Function : l1BuildAndSendSlotIndication
631 * -Send the Slot indication Message to MAC
633 * @params[in] Message length
634 * config request message pointer
638 * ****************************************************************/
639 uint16_t l1BuildAndSendSlotIndication()
642 fapi_slot_ind_t *slotIndMsg;
644 MAC_ALLOC(slotIndMsg, sizeof(fapi_slot_ind_t));
647 DU_LOG("\nPHY_STUB: Memory allocation failed for slot Indication Message");
652 memset(slotIndMsg, 0, sizeof(fapi_slot_ind_t));
653 slotIndMsg->sfn = sfnValue;
654 slotIndMsg->slot = slotValue;
656 #ifdef ODU_SLOT_IND_DEBUG_LOG
657 DU_LOG("\n\nPHY_STUB: SLOT indication [%d:%d]",sfnValue,slotValue);
659 /* increment for the next TTI */
661 if(sfnValue >= MAX_SFN_VALUE && slotValue > MAX_SLOT_VALUE)
666 else if(slotValue > MAX_SLOT_VALUE)
671 fillMsgHeader(&slotIndMsg->header, FAPI_SLOT_INDICATION, \
672 sizeof(fapi_slot_ind_t) - sizeof(fapi_msg_t));
673 procPhyMessages(slotIndMsg->header.msg_id, sizeof(fapi_slot_ind_t), (void*)slotIndMsg);
674 MAC_FREE(slotIndMsg, sizeof(fapi_slot_ind_t));
680 /*******************************************************************
682 * @brief Handles start request received from MAC
686 * Function : l1HdlStartReq
689 * -Handles start request received from MAC
691 * @params[in] Message length
692 * config request message pointer
696 * ****************************************************************/
698 S16 l1HdlStartReq(uint32_t msgLen, void *msg)
701 if(lwrMacCb.phyState == PHY_STATE_CONFIGURED)
703 l1HdlSlotIndicaion(FALSE);
704 MAC_FREE(msg, msgLen);
708 DU_LOG("\nPHY_STUB: Received Start Req in PHY State %d", lwrMacCb.phyState);
709 MAC_FREE(msg, msgLen);
716 /*******************************************************************
718 * @brief Handles Dl Tti request received from MAC
722 * Function : l1HdlDlTtiReq
725 * -Handles Dl Tti request received from MAC
727 * @params[in] Message length
728 * Dl Tti request message pointer
732 * ****************************************************************/
734 S16 l1HdlDlTtiReq(uint16_t msgLen, void *msg)
737 p_fapi_api_queue_elem_t dlTtiElem = (p_fapi_api_queue_elem_t)msg;
738 fapi_dl_tti_req_t *dlTtiReq = (fapi_dl_tti_req_t *)(dlTtiElem +1);
740 uint8_t pduCount = 0;
742 #ifdef ODU_SLOT_IND_DEBUG_LOG
743 if(dlTtiReq->nPdus == 0)
745 DU_LOG("\nPHY_STUB: No PDU in DL TTI Request");
749 DU_LOG("\nPHY STUB: DL TTI Request at sfn=%d slot=%d",dlTtiReq->sfn,dlTtiReq->slot);
753 for(pduCount=0; pduCount<dlTtiReq->nPdus; pduCount++)
755 if(dlTtiReq->pdus[pduCount].pduType == 3) //SSB_PDU_TYPE
757 DU_LOG("\nPHY_STUB: SSB PDU");
759 else if(dlTtiReq->pdus[pduCount].pduType == 0)
761 DU_LOG("\nPHY_STUB: PDCCH PDU");
762 if(dlTtiReq->pdus[pduCount].pdu.pdcch_pdu.\
768 else if(dlTtiReq->pdus[pduCount].pduType == 1)
770 DU_LOG("\nPHY_STUB: PDSCH PDU");
774 /* Free FAPI message */
775 MAC_FREE(msg, msgLen);
780 /*******************************************************************
782 * @brief Handles tx_data request received from MAC
786 * Function : l1HdlTxDataReq
789 * -Handles tx_data request received from MAC
791 * @params[in] Message length
792 * tx_data request message pointer
796 * ****************************************************************/
798 S16 l1HdlTxDataReq(uint16_t msgLen, void *msg)
801 p_fapi_api_queue_elem_t txDataElem = (p_fapi_api_queue_elem_t)msg;
802 fapi_tx_data_req_t *txDataReq = (fapi_tx_data_req_t *)(txDataElem +1);
804 DU_LOG("\nPHY STUB: TX DATA Request at sfn=%d slot=%d",txDataReq->sfn,txDataReq->slot);
807 DU_LOG("\nPHY_STUB: TxDataPdu for DED MSG sent");
810 MAC_FREE(msg, msgLen);
816 /*******************************************************************
818 * @brief Fills Uci Ind Pdu Info carried on Pucch Format 0/Format 1
822 * Function : fillPucchF0F1PduInfo
825 * Fills Uci Ind Pdu Info carried on Pucch Format 0/Format 1
827 * @params[in] fapi_uci_o_pucch_f0f1_t *
829 * @return ROK - success
832 * ****************************************************************/
833 uint8_t fillPucchF0F1PduInfo(fapi_uci_o_pucch_f0f1_t *pduInfo, fapi_ul_pucch_pdu_t pucchPdu)
837 pduInfo->handle = pucchPdu.handle;
838 pduInfo->pduBitmap = 1; //hardcoded for SR
839 pduInfo->pucchFormat = pucchPdu.formatType;
841 pduInfo->rnti = pucchPdu.rnti;
842 pduInfo->timingAdvance = 0;
844 if(pduInfo->pduBitmap & SR_PDU_BITMASK)
846 pduInfo->srInfo.srIndication = SR_DETECTED;
847 pduInfo->srInfo.srConfidenceLevel = CONFDC_LEVEL_GOOD;
849 if(pduInfo->pduBitmap & HARQ_PDU_BITMASK)
851 pduInfo->harqInfo.numHarq++;
852 pduInfo->harqInfo.harqConfidenceLevel = CONFDC_LEVEL_GOOD;
853 for(idx = 0; idx < pduInfo->harqInfo.numHarq; idx++)
855 pduInfo->harqInfo.harqValue[idx] = HARQ_PASS;
860 /*******************************************************************
862 * @brief Fills UCI Pdu Information
866 * Function : fillUciPduInfo
869 * Fills UCI Pdu Information
871 * @params[in] Pointer to uciPdu
873 * @return ROK - success
876 * ****************************************************************/
877 uint8_t fillUciPduInfo(fapi_uci_pdu_info_t *uciPdu, fapi_ul_pucch_pdu_t pucchPdu)
881 /*TODO: The pduType is hardcoded here to support
882 UCI Ind for PUCCH forat0/format1. This is to be
883 modified when we get SR form UE */
884 uciPdu->pduType = UCI_IND_PUCCH_F0F1;
885 switch(uciPdu->pduType)
889 case UCI_IND_PUCCH_F0F1:
891 fapi_uci_o_pucch_f0f1_t *pduInfo = NULLP;
893 pduInfo = &uciPdu->uci.uciPucchF0F1;
894 ret = fillPucchF0F1PduInfo(pduInfo, pucchPdu);
895 uciPdu->pduSize = sizeof(fapi_uci_o_pucch_f0f1_t);
898 case UCI_IND_PUCCH_F2F3F4:
901 DU_LOG("\nPHY_STUB: Invalid Pdu Type %d", uciPdu->pduType);
907 /*******************************************************************
909 * @brief Build and send Uci indication
913 * Function : l1BuildAndSendUciInd
916 * Build and send Uci indication
920 * @return ROK - success
923 * ****************************************************************/
924 uint8_t l1BuildAndSendUciInd(uint16_t slot, uint16_t sfn, fapi_ul_pucch_pdu_t pucchPdu)
927 uint8_t nUciPdus = 0;
930 fapi_uci_indication_t *uciInd = NULLP;
932 MAC_ALLOC(uciInd, sizeof(fapi_uci_indication_t));
935 printf("\nPHY_STUB: Memory allocation failed for UCI Indication");
938 memset(uciInd, 0, sizeof(fapi_uci_indication_t));
941 uciInd->numUcis = 1; //consdering the UCI Ind for SR
942 nUciPdus = uciInd->numUcis;
945 ret = fillUciPduInfo(&uciInd->uciPdu[uciIdx], pucchPdu);
951 msgLen = sizeof(fapi_uci_indication_t)- sizeof(fapi_msg_t);
952 fillMsgHeader(&uciInd->header, FAPI_UCI_INDICATION, msgLen);
954 /* Sending UCI indication to MAC */
955 DU_LOG("\nPHY STUB: Sending UCI Indication to MAC");
956 procPhyMessages(uciInd->header.msg_id, sizeof(fapi_uci_indication_t), (void *)uciInd);
958 MAC_FREE(uciInd, sizeof(fapi_uci_indication_t));
963 /*******************************************************************
965 * @brief Handles Ul Tti request received from MAC
969 * Function : l1HdlUlTtiReq
972 * -Handles Ul Tti request received from MAC
974 * @params[in] Message length
975 * Ul Tti request message pointer
979 * ****************************************************************/
981 S16 l1HdlUlTtiReq(uint16_t msgLen, void *msg)
984 p_fapi_api_queue_elem_t ulTtiElem = (p_fapi_api_queue_elem_t)msg;
985 fapi_ul_tti_req_t *ulTtiReq = (fapi_ul_tti_req_t *)(ulTtiElem +1);
986 uint8_t numPdus = ulTtiReq->nPdus;
988 #ifdef ODU_SLOT_IND_DEBUG_LOG
991 DU_LOG("\nPHY STUB: No PDU received in UL TTI Req");
995 DU_LOG("\nPHY STUB: Received UL TTI Request");
1001 if(ulTtiReq->pdus[numPdus-1].pduType == 0)
1003 DU_LOG("\nPHY STUB: PRACH PDU");
1005 if(ulTtiReq->pdus[numPdus-1].pduType == 1)
1007 DU_LOG("\nPHY STUB: PUSCH PDU");
1008 l1BuildAndSendRxDataInd(ulTtiReq->slot, ulTtiReq->sfn, \
1009 ulTtiReq->pdus[numPdus-1].pdu.pusch_pdu);
1011 if(ulTtiReq->pdus[numPdus-1].pduType == 2)
1013 DU_LOG("\nPHY STUB: PUCCH PDU");
1014 fapi_ul_tti_req_t ulTtiSlotInd;
1015 memset(&ulTtiSlotInd, 0, sizeof(fapi_ul_tti_req_t));
1016 ulTtiSlotInd.slot = ulTtiReq->slot;
1017 ulTtiSlotInd.sfn = ulTtiReq->sfn;
1018 ADD_DELTA_TO_TIME(ulTtiSlotInd, ulTtiSlotInd, SLOT_DELAY);
1019 l1BuildAndSendUciInd(ulTtiSlotInd.slot, ulTtiSlotInd.sfn, \
1020 ulTtiReq->pdus[numPdus-1].pdu.pucch_pdu);
1025 if(rachIndSent == false && ulTtiReq->sfn == 2 && ulTtiReq->slot == 6)
1028 l1BuildAndSendRachInd(ulTtiReq->slot, ulTtiReq->sfn);
1031 MAC_FREE(msg, msgLen);
1036 /*******************************************************************
1038 * @brief Builds and Send the stop Indication message to MAC
1042 * Function : l1BuildAndSendStopInd
1045 * -Send the Stop indication Message to MAC
1050 * ****************************************************************/
1051 uint16_t l1BuildAndSendStopInd()
1054 fapi_stop_ind_t *stopIndMsg = NULLP;
1055 uint32_t msgLen = 0;
1057 MAC_ALLOC(stopIndMsg, sizeof(fapi_stop_ind_t));
1060 DU_LOG("\nPHY_STUB: Memory allocation failed for stop Indication Message");
1065 fillMsgHeader(&stopIndMsg->header, FAPI_STOP_INDICATION, msgLen);
1066 DU_LOG("\n\nPHY_STUB: Processing Stop indication to MAC");
1067 procPhyMessages(stopIndMsg->header.msg_id,\
1068 sizeof(fapi_stop_ind_t), (void*)stopIndMsg);
1069 MAC_FREE(stopIndMsg, sizeof(fapi_stop_ind_t));
1075 /*******************************************************************
1077 * @brief Handles stop request received from MAC
1081 * Function : l1HdlStopReq
1084 * -Handles stop request received from MAC
1086 * @params[in] Message length
1087 * stop request message pointer
1091 * ****************************************************************/
1093 S16 l1HdlStopReq(uint32_t msgLen, void *msg)
1096 if(lwrMacCb.phyState == PHY_STATE_RUNNING)
1098 l1HdlSlotIndicaion(TRUE);
1099 DU_LOG("\nPHY_STUB: Slot Indication is stopped successfully");
1100 l1BuildAndSendStopInd();
1101 MAC_FREE(msg, msgLen);
1105 DU_LOG("\nPHY_STUB: Received Stop Req in PHY State %d", lwrMacCb.phyState);
1106 MAC_FREE(msg, msgLen);
1113 /*******************************************************************
1115 * @brief Build And Send Rx Data Ind for Msg5
1119 * Function : l1BuildAndSendMsg5
1121 * Functionality: Build And Send Rx Data Ind for Msg5
1125 * @return ROK - success
1128 * ****************************************************************/
1129 uint8_t l1BuildAndSendMsg5(uint16_t sfn, uint16_t slot)
1133 fapi_rx_data_indication_t *rxDataInd;
1134 fapi_pdu_ind_info_t *pduInfo;
1136 uint16_t byteIdx = 0;
1137 uint32_t msgLen = 0;
1139 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
1142 printf("\nPHY_STUB: Memory allocation failed for Rx Data Indication for msg5");
1145 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
1147 /* TODO: Fill the required values */
1148 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
1149 rxDataInd->sfn = sfn;
1150 rxDataInd->slot = slot;
1151 rxDataInd->numPdus = 1;
1153 pduInfo = &rxDataInd->pdus[idx];
1154 pduInfo->handle = 100;
1155 pduInfo->rnti = 100;
1156 pduInfo->harqId = 1;
1157 pduInfo->pdu_length = 25;
1158 pduInfo->ul_cqi = 0;
1159 pduInfo->timingAdvance = 0;
1162 /* Filling pdu with random values for testing */
1163 pduInfo->pduData = NULL;
1164 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
1165 if(!pduInfo->pduData)
1167 printf("\nPHY_STUB: Memory allocation failed for Rx Data Pdu");
1172 pdu = (uint8_t *)pduInfo->pduData;
1174 uint8_t msg5PduLen = 33;
1175 /* For RRC setup complete
1176 MAC subheader format is R/F/LCId/L (2/3 bytes)
1178 L is length of PDU i.e 6bytes here
1179 From 38.321 section 6.1.1
1181 uint8_t msg5[] = {1, msg5PduLen, 0, 0, 16, 0, 5, 223, 128, 16, 94, \
1182 64, 3, 64, 89, 61, 138, 64, 0, 0, 0, 4, 0, 0, 4, 68, 11, 128, \
1183 184, 56, 0, 0, 0, 0, 0};
1185 msg5PduLen += 2; /* 2bytes of header */
1186 memcpy(pdu, &msg5, msg5PduLen);
1187 byteIdx += msg5PduLen; /* 2 bytes of header */
1189 /* Filling MAC SDU for Padding bytes*/
1190 if(byteIdx < pduInfo->pdu_length)
1193 MAC subheader format is R/R/LCId (1byte)
1194 LCId is 63 for padding
1195 From 38.321 section 6.1.1
1197 pdu[byteIdx++] = 63;
1199 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
1202 msgLen += pduInfo->pdu_length;
1204 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
1206 /* Sending Rx data indication to MAC */
1207 DU_LOG("\nPHY STUB: Sending Rx data Indication to MAC");
1208 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
1210 if(pduInfo->pdu_length)
1211 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1212 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1217 /*******************************************************************
1219 * @brief Handles Ul Dci request received from MAC
1223 * Function : l1HdlUlDciReq
1226 * -Handles Ul Dci request received from MAC
1228 * @params[in] Message length
1229 * Ul Dci request message pointer
1233 * ****************************************************************/
1235 S16 l1HdlUlDciReq(uint16_t msgLen, void *msg)
1238 p_fapi_api_queue_elem_t ulDciElem = (p_fapi_api_queue_elem_t)msg;
1239 fapi_ul_dci_req_t *ulDciReq = (fapi_ul_dci_req_t *)(ulDciElem +1);
1240 uint8_t numPdus = ulDciReq->numPdus;
1244 if(ulDciReq->pdus[numPdus-1].pduType == 0)
1246 DU_LOG("\nPHY STUB: Received UL DCI Request for PDCCH PDU");
1247 //l1BuildAndSendMsg5(ulDciReq->sfn, ulDciReq->slot);
1253 MAC_FREE(msg, msgLen);
1258 /*******************************************************************
1260 * @brief Receives message from MAC
1264 * Function : l1ProcessFapiRequest
1267 * - Receives message from MAC and calls handler
1269 * @params[in] Message type
1275 * ****************************************************************/
1277 void l1ProcessFapiRequest(uint8_t msgType, uint32_t msgLen, void *msg)
1282 case FAPI_PARAM_REQUEST:
1283 l1HdlParamReq(msgLen, msg);
1285 case FAPI_CONFIG_REQUEST:
1286 l1HdlConfigReq(msgLen, msg);
1288 case FAPI_START_REQUEST:
1289 l1HdlStartReq(msgLen, msg);
1291 case FAPI_DL_TTI_REQUEST:
1292 l1HdlDlTtiReq(msgLen, msg);
1294 case FAPI_TX_DATA_REQUEST:
1295 l1HdlTxDataReq(msgLen, msg);
1297 case FAPI_UL_TTI_REQUEST:
1298 l1HdlUlTtiReq(msgLen, msg);
1300 case FAPI_STOP_REQUEST:
1301 l1HdlStopReq(msgLen, msg);
1303 case FAPI_UL_DCI_REQUEST:
1304 l1HdlUlDciReq(msgLen, msg);
1307 DU_LOG("\nPHY_STUB: Invalid message type[%x] received at PHY", msgType);
1312 /**********************************************************************
1314 **********************************************************************/