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 =NULLP;
342 fapi_pdu_ind_info_t *pduInfo =NULLP;
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");
412 memset(pduInfo->pduData, 0, pduInfo->pdu_length);
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 COMPLETE 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 l1StartConsoleHandler();
705 MAC_FREE(msg, msgLen);
709 DU_LOG("\nPHY_STUB: Received Start Req in PHY State %d", lwrMacCb.phyState);
710 MAC_FREE(msg, msgLen);
717 /*******************************************************************
719 * @brief Handles Dl Tti request received from MAC
723 * Function : l1HdlDlTtiReq
726 * -Handles Dl Tti request received from MAC
728 * @params[in] Message length
729 * Dl Tti request message pointer
733 * ****************************************************************/
735 S16 l1HdlDlTtiReq(uint16_t msgLen, void *msg)
738 p_fapi_api_queue_elem_t dlTtiElem = (p_fapi_api_queue_elem_t)msg;
739 fapi_dl_tti_req_t *dlTtiReq = (fapi_dl_tti_req_t *)(dlTtiElem +1);
741 uint8_t pduCount = 0;
743 #ifdef ODU_SLOT_IND_DEBUG_LOG
744 if(dlTtiReq->nPdus == 0)
746 DU_LOG("\nPHY_STUB: No PDU in DL TTI Request");
750 DU_LOG("\nPHY STUB: DL TTI Request at sfn=%d slot=%d",dlTtiReq->sfn,dlTtiReq->slot);
754 for(pduCount=0; pduCount<dlTtiReq->nPdus; pduCount++)
756 if(dlTtiReq->pdus[pduCount].pduType == 3) //SSB_PDU_TYPE
758 DU_LOG("\nPHY_STUB: SSB PDU");
760 else if(dlTtiReq->pdus[pduCount].pduType == 0)
762 DU_LOG("\nPHY_STUB: PDCCH PDU");
763 if(dlTtiReq->pdus[pduCount].pdu.pdcch_pdu.\
769 else if(dlTtiReq->pdus[pduCount].pduType == 1)
771 DU_LOG("\nPHY_STUB: PDSCH PDU");
775 /* Free FAPI message */
776 MAC_FREE(msg, msgLen);
781 /*******************************************************************
783 * @brief Handles tx_data request received from MAC
787 * Function : l1HdlTxDataReq
790 * -Handles tx_data request received from MAC
792 * @params[in] Message length
793 * tx_data request message pointer
797 * ****************************************************************/
799 S16 l1HdlTxDataReq(uint16_t msgLen, void *msg)
802 p_fapi_api_queue_elem_t txDataElem = (p_fapi_api_queue_elem_t)msg;
803 fapi_tx_data_req_t *txDataReq = (fapi_tx_data_req_t *)(txDataElem +1);
805 DU_LOG("\nPHY STUB: TX DATA Request at sfn=%d slot=%d",txDataReq->sfn,txDataReq->slot);
808 DU_LOG("\nPHY_STUB: TxDataPdu for DED MSG sent");
811 MAC_FREE(msg, msgLen);
817 /*******************************************************************
819 * @brief Fills Uci Ind Pdu Info carried on Pucch Format 0/Format 1
823 * Function : fillPucchF0F1PduInfo
826 * Fills Uci Ind Pdu Info carried on Pucch Format 0/Format 1
828 * @params[in] fapi_uci_o_pucch_f0f1_t *
830 * @return ROK - success
833 * ****************************************************************/
834 uint8_t fillPucchF0F1PduInfo(fapi_uci_o_pucch_f0f1_t *pduInfo, fapi_ul_pucch_pdu_t pucchPdu)
838 pduInfo->handle = pucchPdu.handle;
839 pduInfo->pduBitmap = 1; //hardcoded for SR
840 pduInfo->pucchFormat = pucchPdu.formatType;
842 pduInfo->rnti = pucchPdu.rnti;
843 pduInfo->timingAdvance = 0;
845 if(pduInfo->pduBitmap & SR_PDU_BITMASK)
847 pduInfo->srInfo.srIndication = SR_DETECTED;
848 pduInfo->srInfo.srConfidenceLevel = CONFDC_LEVEL_GOOD;
850 if(pduInfo->pduBitmap & HARQ_PDU_BITMASK)
852 pduInfo->harqInfo.numHarq++;
853 pduInfo->harqInfo.harqConfidenceLevel = CONFDC_LEVEL_GOOD;
854 for(idx = 0; idx < pduInfo->harqInfo.numHarq; idx++)
856 pduInfo->harqInfo.harqValue[idx] = HARQ_PASS;
861 /*******************************************************************
863 * @brief Fills UCI Pdu Information
867 * Function : fillUciPduInfo
870 * Fills UCI Pdu Information
872 * @params[in] Pointer to uciPdu
874 * @return ROK - success
877 * ****************************************************************/
878 uint8_t fillUciPduInfo(fapi_uci_pdu_info_t *uciPdu, fapi_ul_pucch_pdu_t pucchPdu)
882 /*TODO: The pduType is hardcoded here to support
883 UCI Ind for PUCCH forat0/format1. This is to be
884 modified when we get SR form UE */
885 uciPdu->pduType = UCI_IND_PUCCH_F0F1;
886 switch(uciPdu->pduType)
890 case UCI_IND_PUCCH_F0F1:
892 fapi_uci_o_pucch_f0f1_t *pduInfo = NULLP;
894 pduInfo = &uciPdu->uci.uciPucchF0F1;
895 ret = fillPucchF0F1PduInfo(pduInfo, pucchPdu);
896 uciPdu->pduSize = sizeof(fapi_uci_o_pucch_f0f1_t);
899 case UCI_IND_PUCCH_F2F3F4:
902 DU_LOG("\nPHY_STUB: Invalid Pdu Type %d", uciPdu->pduType);
908 /*******************************************************************
910 * @brief Build and send Uci indication
914 * Function : l1BuildAndSendUciInd
917 * Build and send Uci indication
921 * @return ROK - success
924 * ****************************************************************/
925 uint8_t l1BuildAndSendUciInd(uint16_t slot, uint16_t sfn, fapi_ul_pucch_pdu_t pucchPdu)
928 uint8_t nUciPdus = 0;
931 fapi_uci_indication_t *uciInd = NULLP;
933 MAC_ALLOC(uciInd, sizeof(fapi_uci_indication_t));
936 printf("\nPHY_STUB: Memory allocation failed for UCI Indication");
939 memset(uciInd, 0, sizeof(fapi_uci_indication_t));
942 uciInd->numUcis = 1; //consdering the UCI Ind for SR
943 nUciPdus = uciInd->numUcis;
946 ret = fillUciPduInfo(&uciInd->uciPdu[uciIdx], pucchPdu);
952 msgLen = sizeof(fapi_uci_indication_t)- sizeof(fapi_msg_t);
953 fillMsgHeader(&uciInd->header, FAPI_UCI_INDICATION, msgLen);
955 /* Sending UCI indication to MAC */
956 DU_LOG("\nPHY STUB: Sending UCI Indication to MAC");
957 procPhyMessages(uciInd->header.msg_id, sizeof(fapi_uci_indication_t), (void *)uciInd);
959 MAC_FREE(uciInd, sizeof(fapi_uci_indication_t));
964 /*******************************************************************
966 * @brief Handles Ul Tti request received from MAC
970 * Function : l1HdlUlTtiReq
973 * -Handles Ul Tti request received from MAC
975 * @params[in] Message length
976 * Ul Tti request message pointer
980 * ****************************************************************/
982 S16 l1HdlUlTtiReq(uint16_t msgLen, void *msg)
985 p_fapi_api_queue_elem_t ulTtiElem = (p_fapi_api_queue_elem_t)msg;
986 fapi_ul_tti_req_t *ulTtiReq = (fapi_ul_tti_req_t *)(ulTtiElem +1);
987 uint8_t numPdus = ulTtiReq->nPdus;
989 #ifdef ODU_SLOT_IND_DEBUG_LOG
992 DU_LOG("\nPHY STUB: No PDU received in UL TTI Req");
996 DU_LOG("\nPHY STUB: Received UL TTI Request");
1002 if(ulTtiReq->pdus[numPdus-1].pduType == 0)
1004 DU_LOG("\nPHY STUB: PRACH PDU");
1006 if(ulTtiReq->pdus[numPdus-1].pduType == 1)
1008 DU_LOG("\nPHY STUB: PUSCH PDU");
1009 l1BuildAndSendRxDataInd(ulTtiReq->slot, ulTtiReq->sfn, \
1010 ulTtiReq->pdus[numPdus-1].pdu.pusch_pdu);
1012 if(ulTtiReq->pdus[numPdus-1].pduType == 2)
1014 DU_LOG("\nPHY STUB: PUCCH PDU");
1015 fapi_ul_tti_req_t ulTtiSlotInd;
1016 memset(&ulTtiSlotInd, 0, sizeof(fapi_ul_tti_req_t));
1017 ulTtiSlotInd.slot = ulTtiReq->slot;
1018 ulTtiSlotInd.sfn = ulTtiReq->sfn;
1019 ADD_DELTA_TO_TIME(ulTtiSlotInd, ulTtiSlotInd, SLOT_DELAY);
1020 l1BuildAndSendUciInd(ulTtiSlotInd.slot, ulTtiSlotInd.sfn, \
1021 ulTtiReq->pdus[numPdus-1].pdu.pucch_pdu);
1026 if(rachIndSent == false && ulTtiReq->sfn == 2 && ulTtiReq->slot == 6)
1029 l1BuildAndSendRachInd(ulTtiReq->slot, ulTtiReq->sfn);
1032 MAC_FREE(msg, msgLen);
1037 /*******************************************************************
1039 * @brief Builds and Send the stop Indication message to MAC
1043 * Function : l1BuildAndSendStopInd
1046 * -Send the Stop indication Message to MAC
1051 * ****************************************************************/
1052 uint16_t l1BuildAndSendStopInd()
1055 fapi_stop_ind_t *stopIndMsg = NULLP;
1056 uint32_t msgLen = 0;
1058 MAC_ALLOC(stopIndMsg, sizeof(fapi_stop_ind_t));
1061 DU_LOG("\nPHY_STUB: Memory allocation failed for stop Indication Message");
1066 fillMsgHeader(&stopIndMsg->header, FAPI_STOP_INDICATION, msgLen);
1067 DU_LOG("\n\nPHY_STUB: Processing Stop indication to MAC");
1068 procPhyMessages(stopIndMsg->header.msg_id,\
1069 sizeof(fapi_stop_ind_t), (void*)stopIndMsg);
1070 MAC_FREE(stopIndMsg, sizeof(fapi_stop_ind_t));
1076 /*******************************************************************
1078 * @brief Handles stop request received from MAC
1082 * Function : l1HdlStopReq
1085 * -Handles stop request received from MAC
1087 * @params[in] Message length
1088 * stop request message pointer
1092 * ****************************************************************/
1094 S16 l1HdlStopReq(uint32_t msgLen, void *msg)
1097 if(lwrMacCb.phyState == PHY_STATE_RUNNING)
1099 l1HdlSlotIndicaion(TRUE);
1100 DU_LOG("\nPHY_STUB: Slot Indication is stopped successfully");
1101 l1BuildAndSendStopInd();
1102 MAC_FREE(msg, msgLen);
1106 DU_LOG("\nPHY_STUB: Received Stop Req in PHY State %d", lwrMacCb.phyState);
1107 MAC_FREE(msg, msgLen);
1114 /*******************************************************************
1116 * @brief Build And Send Rx Data Ind for Msg5
1120 * Function : l1BuildAndSendMsg5
1122 * Functionality: Build And Send Rx Data Ind for Msg5
1126 * @return ROK - success
1129 * ****************************************************************/
1130 uint8_t l1BuildAndSendMsg5(uint16_t sfn, uint16_t slot)
1134 fapi_rx_data_indication_t *rxDataInd;
1135 fapi_pdu_ind_info_t *pduInfo;
1137 uint16_t byteIdx = 0;
1138 uint32_t msgLen = 0;
1140 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
1143 printf("\nPHY_STUB: Memory allocation failed for Rx Data Indication for msg5");
1146 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
1148 /* TODO: Fill the required values */
1149 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
1150 rxDataInd->sfn = sfn;
1151 rxDataInd->slot = slot;
1152 rxDataInd->numPdus = 1;
1154 pduInfo = &rxDataInd->pdus[idx];
1155 pduInfo->handle = 100;
1156 pduInfo->rnti = 100;
1157 pduInfo->harqId = 1;
1158 pduInfo->pdu_length = 25;
1159 pduInfo->ul_cqi = 0;
1160 pduInfo->timingAdvance = 0;
1163 /* Filling pdu with random values for testing */
1164 pduInfo->pduData = NULL;
1165 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
1166 if(!pduInfo->pduData)
1168 printf("\nPHY_STUB: Memory allocation failed for Rx Data Pdu");
1173 pdu = (uint8_t *)pduInfo->pduData;
1175 uint8_t msg5PduLen = 33;
1176 /* For RRC setup complete
1177 MAC subheader format is R/F/LCId/L (2/3 bytes)
1179 L is length of PDU i.e 6bytes here
1180 From 38.321 section 6.1.1
1182 uint8_t msg5[] = {1, msg5PduLen, 0, 0, 16, 0, 5, 223, 128, 16, 94, \
1183 64, 3, 64, 89, 61, 138, 64, 0, 0, 0, 4, 0, 0, 4, 68, 11, 128, \
1184 184, 56, 0, 0, 0, 0, 0};
1186 msg5PduLen += 2; /* 2bytes of header */
1187 memcpy(pdu, &msg5, msg5PduLen);
1188 byteIdx += msg5PduLen; /* 2 bytes of header */
1190 /* Filling MAC SDU for Padding bytes*/
1191 if(byteIdx < pduInfo->pdu_length)
1194 MAC subheader format is R/R/LCId (1byte)
1195 LCId is 63 for padding
1196 From 38.321 section 6.1.1
1198 pdu[byteIdx++] = 63;
1200 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
1203 msgLen += pduInfo->pdu_length;
1205 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
1207 /* Sending Rx data indication to MAC */
1208 DU_LOG("\nPHY STUB: Sending Rx data Indication to MAC");
1209 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
1211 if(pduInfo->pdu_length)
1212 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1213 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1218 /*******************************************************************
1220 * @brief Handles Ul Dci request received from MAC
1224 * Function : l1HdlUlDciReq
1227 * -Handles Ul Dci request received from MAC
1229 * @params[in] Message length
1230 * Ul Dci request message pointer
1234 * ****************************************************************/
1236 S16 l1HdlUlDciReq(uint16_t msgLen, void *msg)
1239 p_fapi_api_queue_elem_t ulDciElem = (p_fapi_api_queue_elem_t)msg;
1240 fapi_ul_dci_req_t *ulDciReq = (fapi_ul_dci_req_t *)(ulDciElem +1);
1241 uint8_t numPdus = ulDciReq->numPdus;
1245 if(ulDciReq->pdus[numPdus-1].pduType == 0)
1247 DU_LOG("\nPHY STUB: Received UL DCI Request for PDCCH PDU");
1248 //l1BuildAndSendMsg5(ulDciReq->sfn, ulDciReq->slot);
1254 MAC_FREE(msg, msgLen);
1259 /*******************************************************************
1261 * @brief Send UL user data to DU
1265 * Function : l1SendUlUserData
1267 * Functionality: Send UL user data to DU
1270 * @return ROK - success
1273 * ****************************************************************/
1274 uint8_t l1SendUlUserData()
1277 fapi_rx_data_indication_t *rxDataInd;
1278 fapi_pdu_ind_info_t *pduInfo;
1279 uint8_t *pdu = NULLP;
1280 uint16_t byteIdx = 0;
1281 uint32_t msgLen = 0;
1284 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
1287 printf("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Indication");
1290 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
1292 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
1294 rxDataInd->slot = 0;
1295 rxDataInd->numPdus = 1;
1297 /* TODO : Fill pduInfo using PUSCH PDU. Currently hardcoding */
1298 pduInfo = &rxDataInd->pdus[idx];
1299 pduInfo->handle = 100;
1300 pduInfo->rnti = 100;
1301 pduInfo->harqId = 1;
1302 /* Since user data size = 50bytes and 2 bytes of MAC header and 3 byte of RLC header,
1303 * setting tbsize = 56 from Table 5.1.3.2-1 spec 38.214 */
1304 pduInfo->pdu_length = 56;
1305 pduInfo->ul_cqi = 0;
1306 pduInfo->timingAdvance = 0;
1309 /* Filling pdu with random values for testing */
1310 pduInfo->pduData = NULL;
1311 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
1312 if(!pduInfo->pduData)
1314 printf("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Pdu");
1319 pdu = (uint8_t *)pduInfo->pduData;
1323 MAC subheader format is R/F/LCId/L (2/3 bytes)
1325 L is length of PDU i.e 50 bytes
1326 From 38.321 section 6.1.1
1328 uint8_t ulMsg[] = {4, msgLen, 0, 69, 0, 0, 50, 0, 0, 0, 0, 0, 1, 0, 0, 192, 168, 130, 81, 192, 168, 130, 82, 84, 104,
1329 105, 115, 32, 105, 115, 32, 69, 71, 84, 80, 32, 100, 97, 116, 97, 32, 102, 114, 111, 109, 32, 68, 85, 0, 0, 0, 0, 0};
1330 msgLen += 2; /* 2bytes of header */
1331 memcpy(pdu, &ulMsg, msgLen);
1332 byteIdx += msgLen; /* 2 bytes of header */
1335 /* Filling MAC SDU for Padding bytes*/
1336 if(byteIdx < pduInfo->pdu_length)
1339 MAC subheader format is R/R/LCId (1byte)
1340 LCId is 63 for padding
1341 From 38.321 section 6.1.1
1343 pdu[byteIdx++] = 63;
1345 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
1348 msgLen += pduInfo->pdu_length;
1350 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
1352 /* Send Message to peer */
1355 DU_LOG("\nDEBUG --> PHY STUB : Sending UL User Data[%d] at sfn %d slot %d", cnt+1, sfnValue, slotValue);
1356 /* Sending Rx data indication to MAC */
1357 rxDataInd->sfn = sfnValue;
1358 rxDataInd->slot = slotValue;
1359 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
1363 if(pduInfo->pdu_length)
1364 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1365 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1369 /*******************************************************************
1371 * @brief Receives message from MAC
1375 * Function : l1ProcessFapiRequest
1378 * - Receives message from MAC and calls handler
1380 * @params[in] Message type
1386 * ****************************************************************/
1388 void l1ProcessFapiRequest(uint8_t msgType, uint32_t msgLen, void *msg)
1393 case FAPI_PARAM_REQUEST:
1394 l1HdlParamReq(msgLen, msg);
1396 case FAPI_CONFIG_REQUEST:
1397 l1HdlConfigReq(msgLen, msg);
1399 case FAPI_START_REQUEST:
1400 l1HdlStartReq(msgLen, msg);
1402 case FAPI_DL_TTI_REQUEST:
1403 l1HdlDlTtiReq(msgLen, msg);
1405 case FAPI_TX_DATA_REQUEST:
1406 l1HdlTxDataReq(msgLen, msg);
1408 case FAPI_UL_TTI_REQUEST:
1409 l1HdlUlTtiReq(msgLen, msg);
1411 case FAPI_STOP_REQUEST:
1412 l1HdlStopReq(msgLen, msg);
1414 case FAPI_UL_DCI_REQUEST:
1415 l1HdlUlDciReq(msgLen, msg);
1418 DU_LOG("\nPHY_STUB: Invalid message type[%x] received at PHY", msgType);
1423 /**********************************************************************
1425 **********************************************************************/