1 /*******************************************************************************
2 ################################################################################
3 # Copyright (c) [2017-2019] [Radisys] #
5 # Licensed under the Apache License, Version 2.0 (the "License"); #
6 # you may not use this file except in compliance with the License. #
7 # You may obtain a copy of the License at #
9 # http://www.apache.org/licenses/LICENSE-2.0 #
11 # Unless required by applicable law or agreed to in writing, software #
12 # distributed under the License is distributed on an "AS IS" BASIS, #
13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. #
14 # See the License for the specific language governing permissions and #
15 # limitations under the License. #
16 ################################################################################
17 *******************************************************************************/
19 /*This file contains stub for PHY to handle messages to/from MAC CL */
21 #include "common_def.h"
24 #include "du_app_mac_inf.h"
25 #include "mac_sch_interface.h"
27 #include "lwr_mac_phy.h"
31 #include "lphy_stub.h"
32 #include "lwr_mac_upr_inf.h"
33 #include "mac_utils.h"
36 /*******************************************************************
38 * @brief Builds and sends param response to MAC CL
42 * Function : l1BldAndSndParamRsp
45 * - Builds and sends param response to MAC
47 * @params[in] Config request message pointer
48 * @return ROK - success
51 * ****************************************************************/
52 S16 l1BldAndSndParamRsp(void *msg)
57 fapi_param_resp_t *fapiParamRsp;
59 MAC_ALLOC(fapiParamRsp, sizeof(fapi_param_resp_t));
62 DU_LOG("PHY STUB: Memory allocation failed");
67 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_RELEASE_CAPABILITY_TAG, sizeof(uint16_t), 1, &msgLen);
68 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PHY_STATE_TAG, sizeof(uint16_t), 0, &msgLen);
69 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SKIP_BLANK_DL_CONFIG_TAG, sizeof(uint8_t), 0, &msgLen);
70 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SKIP_BLANK_UL_CONFIG_TAG, sizeof(uint8_t), 0, &msgLen);
71 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_NUM_CONFIG_TLVS_TO_REPORT_TYPE_TAG, sizeof(uint8_t), 0, &msgLen);
74 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_CYCLIC_PREFIX_TAG, sizeof(uint8_t), 1, &msgLen);
75 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_SUBCARRIER_SPACING_DL_TAG, sizeof(uint8_t), 1, &msgLen);
76 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_BANDWIDTH_DL_TAG, sizeof(uint16_t), 1, &msgLen);
77 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_SUBCARRIER_SPACING_UL_TAG, sizeof(uint8_t), 0, &msgLen);
78 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_BANDWIDTH_UL_TAG, sizeof(uint16_t), 0, &msgLen);
81 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_CCE_MAPPING_TYPE_TAG, sizeof(uint8_t), 0, &msgLen);
82 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_CORESET_OUTSIDE_FIRST_3_OFDM_SYMS_OF_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
83 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PRECODER_GRANULARITY_CORESET_TAG, sizeof(uint8_t), 0, &msgLen);
84 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDCCH_MU_MIMO_TAG, sizeof(uint8_t), 0, &msgLen);
85 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDCCH_PRECODER_CYCLING_TAG, sizeof(uint8_t), 0, &msgLen);
86 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_PDCCHS_PER_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
89 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUCCH_FORMATS_TAG, sizeof(uint8_t), 0, &msgLen);
90 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_PUCCHS_PER_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
93 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_MAPPING_TYPE_TAG, sizeof(uint8_t), 0, &msgLen);
94 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_ALLOCATION_TYPES_TAG, sizeof(uint8_t), 0, &msgLen);
95 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_VRB_TO_PRB_MAPPING_TAG, sizeof(uint8_t), 0, &msgLen);
96 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_CBG_TAG, sizeof(uint8_t), 0, &msgLen);
97 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_DMRS_CONFIG_TYPES_TAG, sizeof(uint8_t), 0, &msgLen);
98 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_DMRS_MAX_LENGTH_TAG, sizeof(uint8_t), 0, &msgLen);
99 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_DMRS_ADDITIONAL_POS_TAG, sizeof(uint8_t), 0, &msgLen);
100 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_PDSCHS_TBS_PER_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
101 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_NUMBER_MIMO_LAYERS_PDSCH_TAG, sizeof(uint8_t), 0, &msgLen);
102 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_MAX_MODULATION_ORDER_DL_TAG, sizeof(uint8_t), 0, &msgLen);
103 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_MU_MIMO_USERS_DL_TAG, sizeof(uint8_t), 0, &msgLen);
104 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_DATA_IN_DMRS_SYMBOLS_TAG, sizeof(uint8_t), 0, &msgLen);
105 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PREMPTIONSUPPORT_TAG, sizeof(uint8_t), 0, &msgLen);
106 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_NON_SLOT_SUPPORT_TAG, sizeof(uint8_t), 0, &msgLen);
109 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_UCI_MUX_ULSCH_IN_PUSCH_TAG, sizeof(uint8_t), 0, &msgLen);
110 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_UCI_ONLY_PUSCH_TAG, sizeof(uint8_t), 0, &msgLen);
111 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_FREQUENCY_HOPPING_TAG, sizeof(uint8_t), 0, &msgLen);
112 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_DMRS_CONFIG_TYPES_TAG, sizeof(uint8_t), 0, &msgLen);
113 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_DMRS_MAX_LEN_TAG, sizeof(uint8_t), 0, &msgLen);
114 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_DMRS_ADDITIONAL_POS_TAG, sizeof(uint8_t), 0, &msgLen);
115 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_CBG_TAG, sizeof(uint8_t), 0, &msgLen);
116 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_MAPPING_TYPE_TAG, sizeof(uint8_t), 0, &msgLen);
117 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_ALLOCATION_TYPES_TAG, sizeof(uint8_t), 0, &msgLen);
118 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_VRB_TO_PRB_MAPPING_TAG, sizeof(uint8_t), 0, &msgLen);
119 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_MAX_PTRS_PORTS_TAG, sizeof(uint8_t), 0, &msgLen);
120 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_PDUSCHS_TBS_PER_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
121 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_NUMBER_MIMO_LAYERS_NON_CB_PUSCH_TAG, sizeof(uint8_t), 0, &msgLen);
122 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_MODULATION_ORDER_UL_TAG, sizeof(uint8_t), 0, &msgLen);
123 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_MU_MIMO_USERS_UL_TAG, sizeof(uint8_t), 0, &msgLen);
124 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_DFTS_OFDM_SUPPORT_TAG, sizeof(uint8_t), 0, &msgLen);
125 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_AGGREGATION_FACTOR_TAG, sizeof(uint8_t), 0, &msgLen);
128 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PRACH_LONG_FORMATS_TAG, sizeof(uint8_t), 0, &msgLen);
129 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PRACH_SHORT_FORMATS_TAG, sizeof(uint8_t), 0, &msgLen);
130 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PRACH_RESTRICTED_SETS_TAG, sizeof(uint8_t), 0, &msgLen);
131 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_PRACH_FD_OCCASIONS_IN_A_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
133 /* MEASUREMENT TAG */
134 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_RSSI_MEASUREMENT_SUPPORT_TAG, sizeof(uint8_t), 0, &msgLen);
136 fapiParamRsp->number_of_tlvs = index;
137 msgLen += sizeof(fapi_param_resp_t) - sizeof(fapi_msg_t);
138 fillMsgHeader(&fapiParamRsp->header, FAPI_PARAM_RESPONSE, msgLen);
139 fapiParamRsp->error_code = MSG_OK;
141 DU_LOG("\nPHY_STUB: Sending Param Request to Lower Mac");
142 procPhyMessages(fapiParamRsp->header.msg_id, sizeof(fapi_param_resp_t), (void *)fapiParamRsp);
143 MAC_FREE(fapiParamRsp, sizeof(fapi_param_resp_t));
148 /*******************************************************************
150 * @brief Builds and sends config response to lower mac
154 * Function : l1BldAndSndConfigRsp
157 * - Builds and sends config response to MAC
159 * @params[in] Config request message pointer
160 * @return ROK - success
163 * ****************************************************************/
165 S16 l1BldAndSndConfigRsp(void *msg)
169 fapi_config_resp_t *fapiConfigRsp;
171 MAC_ALLOC(fapiConfigRsp, sizeof(fapi_config_resp_t));
174 DU_LOG("PHY STUB: Memory allocation failed");
177 memset(fapiConfigRsp, 0, sizeof(fapi_config_resp_t));
178 fapiConfigRsp->number_of_invalid_tlvs = NULLP;
179 fapiConfigRsp->number_of_inv_tlvs_idle_only = NULLP;
180 fapiConfigRsp->number_of_missing_tlvs = NULLP;
181 fapiConfigRsp->error_code = MSG_OK;
182 msgLen = sizeof(fapi_config_resp_t) - sizeof(fapi_msg_t);
183 fillMsgHeader(&fapiConfigRsp->header, FAPI_CONFIG_RESPONSE, msgLen);
185 DU_LOG("\nPHY_STUB: Sending Config Response to Lower Mac");
186 procPhyMessages(fapiConfigRsp->header.msg_id, \
187 sizeof(fapi_config_resp_t), (void *)fapiConfigRsp);
188 MAC_FREE(fapiConfigRsp, sizeof(fapi_config_resp_t));
192 /*******************************************************************
194 * @brief Handles param request received from MAC
198 * Function : l1HdlParamReq
201 * -Handles param request received from MAC
203 * @params[in] Message length
204 * Param request message pointer
208 * ****************************************************************/
210 PUBLIC void l1HdlParamReq(uint32_t msgLen, void *msg)
213 DU_LOG("\nPHY_STUB: Received Param Request in PHY");
215 /* Build and send PARAM RESPONSE */
216 if(l1BldAndSndParamRsp(msg)!= ROK)
218 DU_LOG("\nPHY_STUB: Failed Sending Param Response");
220 MAC_FREE(msg, sizeof(fapi_param_req_t));
224 /*******************************************************************
226 * @brief Handles config request received from MAC
230 * Function : l1HdlConfigReq
233 * -Handles config request received from MAC
235 * @params[in] Message length
236 * config request message pointer
240 * ****************************************************************/
242 PUBLIC void l1HdlConfigReq(uint32_t msgLen, void *msg)
245 fapi_config_req_t *configReq = (fapi_config_req_t *)msg;
247 DU_LOG("\nPHY_STUB: Received Config Request in PHY");
249 /* Handling CONFIG RESPONSE */
250 if(l1BldAndSndConfigRsp(msg)!= ROK)
252 printf("\nPHY_STUB: Failed Sending config Response");
255 MAC_FREE(configReq, msgLen);
260 /*******************************************************************
262 * @brief Build and Send CRC Indication
266 * Function : l1BuildAndSendCrcInd
269 * Build and Send CRC Indication
273 * @return ROK - success
276 * ****************************************************************/
277 uint16_t l1BuildAndSendCrcInd(uint16_t slot, uint16_t sfn)
281 fapi_crc_ind_t *crcInd;
283 MAC_ALLOC(crcInd, sizeof(fapi_crc_ind_t));
286 printf("\nPHY_STUB: Memory allocation failed for CRC Indication Message");
289 memset(crcInd, 0, sizeof(fapi_crc_ind_t));
291 /* TODO: Fill the required values. As of now only 1 CRC status PASS is filled */
296 crcInd->crc[idx].handle = 0;
297 crcInd->crc[idx].rnti = 0;
298 crcInd->crc[idx].harqId = 0;
299 crcInd->crc[idx].tbCrcStatus = 0;
300 crcInd->crc[idx].numCb = 1;
301 crcInd->crc[idx].cbCrcStatus[0] = 0;
302 crcInd->crc[idx].ul_cqi = 0;
303 crcInd->crc[idx].timingAdvance = 0;
304 crcInd->crc[idx].rssi = 0;
306 fillMsgHeader(&crcInd->header, FAPI_CRC_INDICATION, \
307 sizeof(fapi_crc_ind_t) - sizeof(fapi_msg_t));
309 /* Sending RACH indication to MAC */
310 DU_LOG("\nPHY STUB: Sending CRC Indication to MAC");
311 procPhyMessages(crcInd->header.msg_id, sizeof(fapi_crc_ind_t), (void *)crcInd);
312 MAC_FREE(crcInd, sizeof(fapi_crc_ind_t));
315 } /* l1BuildAndSendCrcInd */
318 /*******************************************************************
320 * @brief Build and send Rx data indication
324 * Function : l1BuildAndSendRxDataInd
327 * Build and send Rx data indication
331 * @return ROK - success
334 * ****************************************************************/
335 uint16_t l1BuildAndSendRxDataInd(uint16_t slot, uint16_t sfn, fapi_ul_pusch_pdu_t puschPdu)
338 fapi_rx_data_indication_t *rxDataInd;
339 fapi_pdu_ind_info_t *pduInfo;
341 uint16_t byteIdx = 0;
348 type = MSG_TYPE_MSG3;
350 else if(!msg5ShortBsrSent)
352 msg5ShortBsrSent = true;
353 type = MSG_TYPE_SHORT_BSR;
358 type = MSG_TYPE_MSG5;
362 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
365 printf("\nPHY_STUB: Memory allocation failed for Rx Data Indication");
368 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
370 /* TODO: Fill the required values */
371 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
372 rxDataInd->sfn = sfn;
373 rxDataInd->slot = slot;
374 rxDataInd->numPdus = 1;
376 pduInfo = &rxDataInd->pdus[idx];
377 pduInfo->handle = puschPdu.handle;
378 pduInfo->rnti = puschPdu.rnti;
379 pduInfo->harqId = puschPdu.puschData.harqProcessId;
380 pduInfo->pdu_length = puschPdu.puschData.tbSize ;
382 pduInfo->timingAdvance = 0;
385 /* Filling pdu with random values for testing */
386 pduInfo->pduData = NULL;
387 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
388 if(!pduInfo->pduData)
390 printf("\nPHY_STUB: Memory allocation failed for Rx Data Pdu");
395 pdu = (uint8_t *)pduInfo->pduData;
401 /* For Initial RRC setup Request,
402 MAC subheader format is R/R/LCId (1byte)
404 From 38.321 section 6.1.1
407 /* Hardcoding MAC PDU */
408 pdu[byteIdx++] = 181;
411 pdu[byteIdx++] = 170;
412 pdu[byteIdx++] = 132;
418 case MSG_TYPE_SHORT_BSR:
421 uint8_t bufferSizeIdx = 6;
424 MAC subheader format is R/R/LcId (1Byte)
426 From 38.321 section 6.1.1
428 pdu[byteIdx++] = 61; // LCID
429 pdu[byteIdx++] = (lcgId << 5) | bufferSizeIdx;
436 uint8_t msg5PduLen = 33;
437 /* For RRC setup complete
438 MAC subheader format is R/F/LCId/L (2/3 bytes)
440 L is length of PDU i.e 6bytes here
441 From 38.321 section 6.1.1
443 uint8_t msg5[] = {1, msg5PduLen, 0, 0, 16, 0, 5, 223, 128, 16, 94, \
444 64, 3, 64, 89, 61, 138, 64, 0, 0, 0, 4, 0, 0, 4, 68, 11, 128, \
445 184, 56, 0, 0, 0, 0, 0};
447 msg5PduLen += 2; /* 2bytes of header */
448 memcpy(pdu, &msg5, msg5PduLen);
449 byteIdx += msg5PduLen; /* 2 bytes of header */
454 } /* End of switch(type) */
455 /* Filling MAC SDU for Padding bytes*/
456 if(byteIdx < pduInfo->pdu_length)
459 MAC subheader format is R/R/LCId (1byte)
460 LCId is 63 for padding
461 From 38.321 section 6.1.1
465 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
468 msgLen += pduInfo->pdu_length;
470 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
472 /* Sending Rx data indication to MAC */
473 DU_LOG("\nPHY STUB: Sending Rx data Indication to MAC");
474 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
476 if(pduInfo->pdu_length)
477 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
478 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
483 /*******************************************************************
485 * @brief Builds and Sends RACH indication to MAC
489 * Function : l1BuildAndSendRachInd
492 * Builds and Sends RACH indication to MAC
494 * @params[in] SFN value
496 * @return ROK - success
499 * ****************************************************************/
500 uint16_t l1BuildAndSendRachInd(uint16_t slot, uint16_t sfn)
503 uint8_t rachPduIdx = 0;
504 uint8_t preamIdx = 0;
505 fapi_rach_pdu_t *rachPdu;
506 fapi_rach_indication_t *rachInd;
508 /* Building RACH indication */
509 MAC_ALLOC(rachInd, sizeof(fapi_rach_indication_t));
512 printf("\nPHY_STUB: Memory allocation failed for Rach Indication Message");
515 memset(rachInd, 0, sizeof(fapi_rach_indication_t));
517 rachInd->slot = slot;
518 rachInd->numPdus = 1;
520 rachPdu = &rachInd->rachPdu[rachPduIdx];
521 rachPdu->phyCellId = NR_PCI;
522 rachPdu->symbolIndex = 0;
523 rachPdu->slotIndex = slot;
524 rachPdu->freqIndex = 0;
525 rachPdu->avgRssi = 0;
527 rachPdu->numPreamble = 1;
529 rachPdu->preambleInfo[preamIdx].preambleIndex = 3;
530 rachPdu->preambleInfo[preamIdx].timingAdvance = 0;
531 rachPdu->preambleInfo[preamIdx].preamblePwr = 0;
533 fillMsgHeader(&rachInd->header, FAPI_RACH_INDICATION, \
534 sizeof(fapi_rach_indication_t) - sizeof(fapi_msg_t));
536 /* Sending RACH indication to MAC */
537 DU_LOG("\nPHY STUB: Sending RACH Indication to MAC");
538 procPhyMessages(rachInd->header.msg_id, sizeof(fapi_rach_indication_t), (void *)rachInd);
539 MAC_FREE(rachInd, sizeof(fapi_rach_indication_t));
544 /*******************************************************************
546 * @brief Builds and Send the Slot Indication message to MAC
550 * Function : l1BuildAndSendSlotIndication
553 * -Send the Slot indication Message to MAC
555 * @params[in] Message length
556 * config request message pointer
560 * ****************************************************************/
561 PUBLIC uint16_t l1BuildAndSendSlotIndication()
564 fapi_slot_ind_t *slotIndMsg;
566 MAC_ALLOC(slotIndMsg, sizeof(fapi_slot_ind_t));
569 DU_LOG("\nPHY_STUB: Memory allocation failed for slot Indication Message");
574 memset(slotIndMsg, 0, sizeof(fapi_slot_ind_t));
575 slotIndMsg->sfn = sfnValue;
576 slotIndMsg->slot = slotValue;
577 DU_LOG("\n\nPHY_STUB: SLOT indication [%d:%d]",sfnValue,slotValue);
579 /* increment for the next TTI */
581 if(sfnValue >= MAX_SFN_VALUE && slotValue > MAX_SLOT_VALUE)
586 else if(slotValue > MAX_SLOT_VALUE)
591 fillMsgHeader(&slotIndMsg->header, FAPI_SLOT_INDICATION, \
592 sizeof(fapi_slot_ind_t) - sizeof(fapi_msg_t));
593 procPhyMessages(slotIndMsg->header.msg_id, sizeof(fapi_slot_ind_t), (void*)slotIndMsg);
594 MAC_FREE(slotIndMsg, sizeof(fapi_slot_ind_t));
600 /*******************************************************************
602 * @brief Handles start request received from MAC
606 * Function : l1HdlStartReq
609 * -Handles start request received from MAC
611 * @params[in] Message length
612 * config request message pointer
616 * ****************************************************************/
618 PUBLIC S16 l1HdlStartReq(uint32_t msgLen, void *msg)
621 fapi_start_req_t *startReq = (fapi_start_req_t *)msg;
623 if(lwrMacCb.phyState == PHY_STATE_CONFIGURED)
625 l1HdlSlotIndicaion(FALSE);
626 MAC_FREE(startReq, sizeof(fapi_start_req_t));
630 DU_LOG("\nPHY_STUB: Received Start Req in PHY State %d", lwrMacCb.phyState);
637 /*******************************************************************
639 * @brief Handles Dl Tti request received from MAC
643 * Function : l1HdlDlTtiReq
646 * -Handles Dl Tti request received from MAC
648 * @params[in] Message length
649 * Dl Tti request message pointer
653 * ****************************************************************/
655 PUBLIC S16 l1HdlDlTtiReq(uint16_t msgLen, void *msg)
658 fapi_dl_tti_req_t *dlTtiReq;
659 dlTtiReq = (fapi_dl_tti_req_t *)msg;
661 printf("\nPHY STUB: DL TTI Request at sfn=%d slot=%d",dlTtiReq->sfn,dlTtiReq->slot);
663 printf("\nPHY_STUB: SFN %d", dlTtiReq->sfn);
664 printf("\nPHY_STUB: SLOT %d", dlTtiReq->slot);
665 printf("\nPHY_STUB: nPdus %d", dlTtiReq->nPdus);
666 printf("\nPHY_STUB: nGroup %d", dlTtiReq->nGroup);
667 /* Printing SSB CONFIGURED VALUES */
668 printf("\nPHY_STUB: physCellId %d", dlTtiReq->pdus->u.ssb_pdu.physCellId);
669 printf("\nPHY_STUB: betaPss %d", dlTtiReq->pdus->u.ssb_pdu.betaPss);
670 printf("\nPHY_STUB: ssbBlockIndex %d", dlTtiReq->pdus->u.ssb_pdu.ssbBlockIndex);
671 printf("\nPHY_STUB: ssbSubCarrierOffset %d", dlTtiReq->pdus->u.ssb_pdu.ssbSubCarrierOffset);
672 printf("\nPHY_STUB: ssbOffsetPointA %d", dlTtiReq->pdus->u.ssb_pdu.ssbOffsetPointA);
673 printf("\nPHY_STUB: bchPayloadFlag %d", dlTtiReq->pdus->u.ssb_pdu.bchPayloadFlag);
674 printf("\nPHY_STUB: bchPayload %x", dlTtiReq->pdus->u.ssb_pdu.bchPayload);
676 uint8_t pduCount = 0;
677 if(dlTtiReq->nPdus == 0)
679 DU_LOG("\nPHY_STUB: No PDU in DL TTI Request");
681 for(pduCount=0; pduCount<dlTtiReq->nPdus; pduCount++)
683 if(dlTtiReq->pdus[pduCount].pduType == 3) //SSB_PDU_TYPE
684 DU_LOG("\nPHY_STUB: SSB PDU");
685 else if(dlTtiReq->pdus[pduCount].pduType == 0)
686 DU_LOG("\nPHY_STUB: PDCCH PDU");
687 else if(dlTtiReq->pdus[pduCount].pduType == 1)
688 DU_LOG("\nPHY_STUB: PDSCH PDU");
691 /* Free FAPI message */
692 MAC_FREE(dlTtiReq, msgLen);
698 /*******************************************************************
700 * @brief Handles tx_data request received from MAC
704 * Function : l1HdlTxDataReq
707 * -Handles tx_data request received from MAC
709 * @params[in] Message length
710 * tx_data request message pointer
714 * ****************************************************************/
716 PUBLIC S16 l1HdlTxDataReq(uint16_t msgLen, void *msg)
719 fapi_tx_data_req_t *txDataReq;
720 txDataReq = (fapi_tx_data_req_t *)msg;
722 DU_LOG("\nPHY STUB: TX DATA Request at sfn=%d slot=%d",txDataReq->sfn,txDataReq->slot);
724 MAC_FREE(txDataReq, msgLen);
730 /*******************************************************************
732 * @brief Fills Uci Ind Pdu Info carried on Pucch Format 0/Format 1
736 * Function : fillPucchF0F1PduInfo
739 * Fills Uci Ind Pdu Info carried on Pucch Format 0/Format 1
741 * @params[in] fapi_uci_o_pucch_f0f1_t *
743 * @return ROK - success
746 * ****************************************************************/
747 uint8_t fillPucchF0F1PduInfo(fapi_uci_o_pucch_f0f1_t *pduInfo, fapi_ul_pucch_pdu_t pucchPdu)
751 pduInfo->handle = pucchPdu.handle;
752 pduInfo->pduBitmap = 1; //hardcoded for SR
753 pduInfo->pucchFormat = pucchPdu.formatType;
755 pduInfo->rnti = pucchPdu.rnti;
756 pduInfo->timingAdvance = 0;
758 pduInfo->uciBits[idx] = 0; //TODO: FAPI spec ver. 222.10.01 has no info about UCI Bits
759 if(pduInfo->pduBitmap & SR_PDU_BITMASK)
761 pduInfo->srInfo.srIndication = SR_DETECTED;
762 pduInfo->srInfo.srConfidenceLevel = CONFDC_LEVEL_GOOD;
764 if(pduInfo->pduBitmap & HARQ_PDU_BITMASK)
766 pduInfo->harqInfo.numHarq++;
767 pduInfo->harqInfo.harqConfidenceLevel = CONFDC_LEVEL_GOOD;
768 for(idx = 0; idx < pduInfo->harqInfo.numHarq; idx++)
770 pduInfo->harqInfo.harqValue[idx] = HARQ_PASS;
775 /*******************************************************************
777 * @brief Fills UCI Pdu Information
781 * Function : fillUciPduInfo
784 * Fills UCI Pdu Information
786 * @params[in] Pointer to uciPdu
788 * @return ROK - success
791 * ****************************************************************/
792 uint8_t fillUciPduInfo(fapi_uci_pdu_info_t *uciPdu, fapi_ul_pucch_pdu_t pucchPdu)
796 /*TODO: The pduType is hardcoded here to support
797 UCI Ind for PUCCH forat0/format1. This is to be
798 modified when we get SR form UE */
799 uciPdu->pduType = UCI_IND_PUCCH_F0F1;
800 switch(uciPdu->pduType)
804 case UCI_IND_PUCCH_F0F1:
806 fapi_uci_o_pucch_f0f1_t *pduInfo = NULLP;
808 pduInfo = &uciPdu->uci.uciPucchF0F1;
809 ret = fillPucchF0F1PduInfo(pduInfo, pucchPdu);
810 uciPdu->pduSize = sizeof(fapi_uci_o_pucch_f0f1_t);
813 case UCI_IND_PUCCH_F2F3F4:
816 DU_LOG("\nPHY_STUB: Invalid Pdu Type %d", uciPdu->pduType);
822 /*******************************************************************
824 * @brief Build and send Uci indication
828 * Function : l1BuildAndSendUciInd
831 * Build and send Uci indication
835 * @return ROK - success
838 * ****************************************************************/
839 uint8_t l1BuildAndSendUciInd(uint16_t slot, uint16_t sfn, fapi_ul_pucch_pdu_t pucchPdu)
842 uint8_t nUciPdus = 0;
845 fapi_uci_indication_t *uciInd = NULLP;
847 MAC_ALLOC(uciInd, sizeof(fapi_uci_indication_t));
850 printf("\nPHY_STUB: Memory allocation failed for UCI Indication");
853 memset(uciInd, 0, sizeof(fapi_uci_indication_t));
856 uciInd->numUcis = 1; //consdering the UCI Ind for SR
857 nUciPdus = uciInd->numUcis;
860 ret = fillUciPduInfo(&uciInd->uciPdu[uciIdx], pucchPdu);
866 msgLen = sizeof(fapi_uci_indication_t)- sizeof(fapi_msg_t);
867 fillMsgHeader(&uciInd->header, FAPI_UCI_INDICATION, msgLen);
869 /* Sending UCI indication to MAC */
870 DU_LOG("\nPHY STUB: Sending UCI Indication to MAC");
871 procPhyMessages(uciInd->header.msg_id, sizeof(fapi_uci_indication_t), (void *)uciInd);
873 MAC_FREE(uciInd, sizeof(fapi_uci_indication_t));
878 /*******************************************************************
880 * @brief Handles Ul Tti request received from MAC
884 * Function : l1HdlUlTtiReq
887 * -Handles Ul Tti request received from MAC
889 * @params[in] Message length
890 * Ul Tti request message pointer
894 * ****************************************************************/
896 PUBLIC S16 l1HdlUlTtiReq(uint16_t msgLen, void *msg)
899 fapi_ul_tti_req_t *ulTtiReq = NULLP;
901 DU_LOG("\nPHY STUB: Received UL TTI Request");
903 ulTtiReq = (fapi_ul_tti_req_t *)msg;
904 uint8_t numPdus = ulTtiReq->nPdus;
908 DU_LOG("\nPHY STUB: No PDU in UL TTI");
912 if(ulTtiReq->pdus[numPdus-1].pduType == 0)
914 DU_LOG("\nPHY STUB: PRACH PDU");
916 if(ulTtiReq->pdus[numPdus-1].pduType == 1)
918 DU_LOG("\nPHY STUB: PUSCH PDU");
919 l1BuildAndSendRxDataInd(ulTtiReq->slot, ulTtiReq->sfn, \
920 ulTtiReq->pdus[numPdus-1].pdu.pusch_pdu);
922 if(ulTtiReq->pdus[numPdus-1].pduType == 2)
924 DU_LOG("\nPHY STUB: PUCCH PDU");
925 l1BuildAndSendUciInd((ulTtiReq->slot + SLOT_DELAY), ulTtiReq->sfn, \
926 ulTtiReq->pdus[numPdus-1].pdu.pucch_pdu);
931 if(rachIndSent == false && ulTtiReq->sfn == 2 && ulTtiReq->slot == 6)
934 l1BuildAndSendRachInd(ulTtiReq->slot, ulTtiReq->sfn);
937 MAC_FREE(ulTtiReq, msgLen);
942 /*******************************************************************
944 * @brief Builds and Send the stop Indication message to MAC
948 * Function : l1BuildAndSendStopInd
951 * -Send the Stop indication Message to MAC
956 * ****************************************************************/
957 PUBLIC uint16_t l1BuildAndSendStopInd()
960 fapi_stop_ind_t *stopIndMsg = NULLP;
963 MAC_ALLOC(stopIndMsg, sizeof(fapi_stop_ind_t));
966 DU_LOG("\nPHY_STUB: Memory allocation failed for stop Indication Message");
971 fillMsgHeader(&stopIndMsg->header, FAPI_STOP_INDICATION, msgLen);
972 DU_LOG("\n\nPHY_STUB: Processing Stop indication to MAC");
973 procPhyMessages(stopIndMsg->header.msg_id,\
974 sizeof(fapi_stop_ind_t), (void*)stopIndMsg);
975 MAC_FREE(stopIndMsg, sizeof(fapi_stop_ind_t));
981 /*******************************************************************
983 * @brief Handles stop request received from MAC
987 * Function : l1HdlStopReq
990 * -Handles stop request received from MAC
992 * @params[in] Message length
993 * stop request message pointer
997 * ****************************************************************/
999 PUBLIC S16 l1HdlStopReq(uint32_t msgLen, void *msg)
1002 fapi_stop_req_t *stopReq = (fapi_stop_req_t *)msg;
1004 if(lwrMacCb.phyState == PHY_STATE_RUNNING)
1006 l1HdlSlotIndicaion(TRUE);
1007 DU_LOG("\nPHY_STUB: Slot Indication is stopped successfully");
1008 l1BuildAndSendStopInd();
1009 MAC_FREE(stopReq, msgLen);
1013 DU_LOG("\nPHY_STUB: Received Stop Req in PHY State %d", lwrMacCb.phyState);
1020 /*******************************************************************
1022 * @brief Build And Send Rx Data Ind for Msg5
1026 * Function : l1BuildAndSendMsg5
1028 * Functionality: Build And Send Rx Data Ind for Msg5
1032 * @return ROK - success
1035 * ****************************************************************/
1036 uint8_t l1BuildAndSendMsg5(uint16_t sfn, uint16_t slot)
1040 fapi_rx_data_indication_t *rxDataInd;
1041 fapi_pdu_ind_info_t *pduInfo;
1043 uint16_t byteIdx = 0;
1044 uint32_t msgLen = 0;
1046 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
1049 printf("\nPHY_STUB: Memory allocation failed for Rx Data Indication for msg5");
1052 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
1054 /* TODO: Fill the required values */
1055 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
1056 rxDataInd->sfn = sfn;
1057 rxDataInd->slot = slot;
1058 rxDataInd->numPdus = 1;
1060 pduInfo = &rxDataInd->pdus[idx];
1061 pduInfo->handle = 100;
1062 pduInfo->rnti = 100;
1063 pduInfo->harqId = 1;
1064 pduInfo->pdu_length = 25;
1065 pduInfo->ul_cqi = 0;
1066 pduInfo->timingAdvance = 0;
1069 /* Filling pdu with random values for testing */
1070 pduInfo->pduData = NULL;
1071 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
1072 if(!pduInfo->pduData)
1074 printf("\nPHY_STUB: Memory allocation failed for Rx Data Pdu");
1079 pdu = (uint8_t *)pduInfo->pduData;
1081 uint8_t msg5PduLen = 33;
1082 /* For RRC setup complete
1083 MAC subheader format is R/F/LCId/L (2/3 bytes)
1085 L is length of PDU i.e 6bytes here
1086 From 38.321 section 6.1.1
1088 uint8_t msg5[] = {1, msg5PduLen, 0, 0, 16, 0, 5, 223, 128, 16, 94, \
1089 64, 3, 64, 89, 61, 138, 64, 0, 0, 0, 4, 0, 0, 4, 68, 11, 128, \
1090 184, 56, 0, 0, 0, 0, 0};
1092 msg5PduLen += 2; /* 2bytes of header */
1093 memcpy(pdu, &msg5, msg5PduLen);
1094 byteIdx += msg5PduLen; /* 2 bytes of header */
1096 /* Filling MAC SDU for Padding bytes*/
1097 if(byteIdx < pduInfo->pdu_length)
1100 MAC subheader format is R/R/LCId (1byte)
1101 LCId is 63 for padding
1102 From 38.321 section 6.1.1
1104 pdu[byteIdx++] = 63;
1106 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
1109 msgLen += pduInfo->pdu_length;
1111 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
1113 /* Sending Rx data indication to MAC */
1114 DU_LOG("\nPHY STUB: Sending Rx data Indication to MAC");
1115 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
1117 if(pduInfo->pdu_length)
1118 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1119 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1124 /*******************************************************************
1126 * @brief Handles Ul Dci request received from MAC
1130 * Function : l1HdlUlDciReq
1133 * -Handles Ul Dci request received from MAC
1135 * @params[in] Message length
1136 * Ul Dci request message pointer
1140 * ****************************************************************/
1142 PUBLIC S16 l1HdlUlDciReq(uint16_t msgLen, void *msg)
1145 fapi_ul_dci_req_t *ulDciReq = NULLP;
1147 ulDciReq = (fapi_ul_dci_req_t *)msg;
1148 uint8_t numPdus = ulDciReq->numPdus;
1152 if(ulDciReq->pdus[numPdus-1].pduType == 0)
1154 DU_LOG("\nPHY STUB: Received UL DCI Request for PDCCH PDU");
1155 //l1BuildAndSendMsg5(ulDciReq->sfn, ulDciReq->slot);
1161 MAC_FREE(ulDciReq, msgLen);
1166 /*******************************************************************
1168 * @brief Receives message from MAC
1172 * Function : l1ProcessFapiRequest
1175 * - Receives message from MAC and calls handler
1177 * @params[in] Message type
1183 * ****************************************************************/
1185 void l1ProcessFapiRequest(uint8_t msgType, uint32_t msgLen, void *msg)
1190 case FAPI_PARAM_REQUEST:
1191 l1HdlParamReq(msgLen, msg);
1193 case FAPI_CONFIG_REQUEST:
1194 l1HdlConfigReq(msgLen, msg);
1196 case FAPI_START_REQUEST:
1197 l1HdlStartReq(msgLen, msg);
1199 case FAPI_DL_TTI_REQUEST:
1200 l1HdlDlTtiReq(msgLen, msg);
1202 case FAPI_TX_DATA_REQUEST:
1203 l1HdlTxDataReq(msgLen, msg);
1205 case FAPI_UL_TTI_REQUEST:
1206 l1HdlUlTtiReq(msgLen, msg);
1208 case FAPI_STOP_REQUEST:
1209 l1HdlStopReq(msgLen, msg);
1211 case FAPI_UL_DCI_REQUEST:
1212 l1HdlUlDciReq(msgLen, msg);
1215 DU_LOG("\nPHY_STUB: Invalid message type[%x] received at PHY", msgType);
1220 /**********************************************************************
1222 **********************************************************************/