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 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 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;
359 msg5ShortBsrSent = false;
363 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
366 printf("\nPHY_STUB: Memory allocation failed for Rx Data Indication");
369 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
371 /* TODO: Fill the required values */
372 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
373 rxDataInd->sfn = sfn;
374 rxDataInd->slot = slot;
375 rxDataInd->numPdus = 1;
377 pduInfo = &rxDataInd->pdus[idx];
378 pduInfo->handle = puschPdu.handle;
379 pduInfo->rnti = puschPdu.rnti;
380 pduInfo->harqId = puschPdu.puschData.harqProcessId;
381 pduInfo->pdu_length = puschPdu.puschData.tbSize ;
383 pduInfo->timingAdvance = 0;
386 /* Filling pdu with random values for testing */
387 pduInfo->pduData = NULL;
388 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
389 if(!pduInfo->pduData)
391 printf("\nPHY_STUB: Memory allocation failed for Rx Data Pdu");
396 pdu = (uint8_t *)pduInfo->pduData;
402 /* For Initial RRC setup Request,
403 MAC subheader format is R/R/LCId (1byte)
405 From 38.321 section 6.1.1
408 /* Hardcoding MAC PDU */
409 pdu[byteIdx++] = 181;
412 pdu[byteIdx++] = 170;
413 pdu[byteIdx++] = 132;
419 case MSG_TYPE_SHORT_BSR:
422 uint8_t bufferSizeIdx = 6;
425 MAC subheader format is R/R/LcId (1Byte)
427 From 38.321 section 6.1.1
429 pdu[byteIdx++] = 61; // LCID
430 pdu[byteIdx++] = (lcgId << 5) | bufferSizeIdx;
437 uint8_t msg5PduLen = 33;
438 /* For RRC setup complete
439 MAC subheader format is R/F/LCId/L (2/3 bytes)
441 L is length of PDU i.e 6bytes here
442 From 38.321 section 6.1.1
444 uint8_t msg5[] = {1, msg5PduLen, 0, 0, 16, 0, 5, 223, 128, 16, 94, \
445 64, 3, 64, 89, 61, 138, 64, 0, 0, 0, 4, 0, 0, 4, 68, 11, 128, \
446 184, 56, 0, 0, 0, 0, 0};
448 msg5PduLen += 2; /* 2bytes of header */
449 memcpy(pdu, &msg5, msg5PduLen);
450 byteIdx += msg5PduLen; /* 2 bytes of header */
455 } /* End of switch(type) */
456 /* Filling MAC SDU for Padding bytes*/
457 if(byteIdx < pduInfo->pdu_length)
460 MAC subheader format is R/R/LCId (1byte)
461 LCId is 63 for padding
462 From 38.321 section 6.1.1
466 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
469 msgLen += pduInfo->pdu_length;
471 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
473 /* Sending Rx data indication to MAC */
474 DU_LOG("\nPHY STUB: Sending Rx data Indication to MAC");
475 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
477 if(pduInfo->pdu_length)
478 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
479 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
484 /*******************************************************************
486 * @brief Builds and Sends RACH indication to MAC
490 * Function : l1BuildAndSendRachInd
493 * Builds and Sends RACH indication to MAC
495 * @params[in] SFN value
497 * @return ROK - success
500 * ****************************************************************/
501 uint16_t l1BuildAndSendRachInd(uint16_t slot, uint16_t sfn)
504 uint8_t rachPduIdx = 0;
505 uint8_t preamIdx = 0;
506 fapi_rach_pdu_t *rachPdu;
507 fapi_rach_indication_t *rachInd;
509 /* Building RACH indication */
510 MAC_ALLOC(rachInd, sizeof(fapi_rach_indication_t));
513 printf("\nPHY_STUB: Memory allocation failed for Rach Indication Message");
516 memset(rachInd, 0, sizeof(fapi_rach_indication_t));
518 rachInd->slot = slot;
519 rachInd->numPdus = 1;
521 rachPdu = &rachInd->rachPdu[rachPduIdx];
522 rachPdu->phyCellId = NR_PCI;
523 rachPdu->symbolIndex = 0;
524 rachPdu->slotIndex = slot;
525 rachPdu->freqIndex = 0;
526 rachPdu->avgRssi = 0;
528 rachPdu->numPreamble = 1;
530 rachPdu->preambleInfo[preamIdx].preambleIndex = 3;
531 rachPdu->preambleInfo[preamIdx].timingAdvance = 0;
532 rachPdu->preambleInfo[preamIdx].preamblePwr = 0;
534 fillMsgHeader(&rachInd->header, FAPI_RACH_INDICATION, \
535 sizeof(fapi_rach_indication_t) - sizeof(fapi_msg_t));
537 /* Sending RACH indication to MAC */
538 DU_LOG("\nPHY STUB: Sending RACH Indication to MAC");
539 procPhyMessages(rachInd->header.msg_id, sizeof(fapi_rach_indication_t), (void *)rachInd);
540 MAC_FREE(rachInd, sizeof(fapi_rach_indication_t));
545 /*******************************************************************
547 * @brief Builds and Send the Slot Indication message to MAC
551 * Function : l1BuildAndSendSlotIndication
554 * -Send the Slot indication Message to MAC
556 * @params[in] Message length
557 * config request message pointer
561 * ****************************************************************/
562 uint16_t l1BuildAndSendSlotIndication()
565 fapi_slot_ind_t *slotIndMsg;
567 MAC_ALLOC(slotIndMsg, sizeof(fapi_slot_ind_t));
570 DU_LOG("\nPHY_STUB: Memory allocation failed for slot Indication Message");
575 memset(slotIndMsg, 0, sizeof(fapi_slot_ind_t));
576 slotIndMsg->sfn = sfnValue;
577 slotIndMsg->slot = slotValue;
578 DU_LOG("\n\nPHY_STUB: SLOT indication [%d:%d]",sfnValue,slotValue);
580 /* increment for the next TTI */
582 if(sfnValue >= MAX_SFN_VALUE && slotValue > MAX_SLOT_VALUE)
587 else if(slotValue > MAX_SLOT_VALUE)
592 fillMsgHeader(&slotIndMsg->header, FAPI_SLOT_INDICATION, \
593 sizeof(fapi_slot_ind_t) - sizeof(fapi_msg_t));
594 procPhyMessages(slotIndMsg->header.msg_id, sizeof(fapi_slot_ind_t), (void*)slotIndMsg);
595 MAC_FREE(slotIndMsg, sizeof(fapi_slot_ind_t));
601 /*******************************************************************
603 * @brief Handles start request received from MAC
607 * Function : l1HdlStartReq
610 * -Handles start request received from MAC
612 * @params[in] Message length
613 * config request message pointer
617 * ****************************************************************/
619 S16 l1HdlStartReq(uint32_t msgLen, void *msg)
622 fapi_start_req_t *startReq = (fapi_start_req_t *)msg;
624 if(lwrMacCb.phyState == PHY_STATE_CONFIGURED)
626 l1HdlSlotIndicaion(FALSE);
627 MAC_FREE(startReq, sizeof(fapi_start_req_t));
631 DU_LOG("\nPHY_STUB: Received Start Req in PHY State %d", lwrMacCb.phyState);
638 /*******************************************************************
640 * @brief Handles Dl Tti request received from MAC
644 * Function : l1HdlDlTtiReq
647 * -Handles Dl Tti request received from MAC
649 * @params[in] Message length
650 * Dl Tti request message pointer
654 * ****************************************************************/
656 S16 l1HdlDlTtiReq(uint16_t msgLen, void *msg)
659 fapi_dl_tti_req_t *dlTtiReq;
660 dlTtiReq = (fapi_dl_tti_req_t *)msg;
662 printf("\nPHY STUB: DL TTI Request at sfn=%d slot=%d",dlTtiReq->sfn,dlTtiReq->slot);
664 printf("\nPHY_STUB: SFN %d", dlTtiReq->sfn);
665 printf("\nPHY_STUB: SLOT %d", dlTtiReq->slot);
666 printf("\nPHY_STUB: nPdus %d", dlTtiReq->nPdus);
667 printf("\nPHY_STUB: nGroup %d", dlTtiReq->nGroup);
668 /* Printing SSB CONFIGURED VALUES */
669 printf("\nPHY_STUB: physCellId %d", dlTtiReq->pdus->u.ssb_pdu.physCellId);
670 printf("\nPHY_STUB: betaPss %d", dlTtiReq->pdus->u.ssb_pdu.betaPss);
671 printf("\nPHY_STUB: ssbBlockIndex %d", dlTtiReq->pdus->u.ssb_pdu.ssbBlockIndex);
672 printf("\nPHY_STUB: ssbSubCarrierOffset %d", dlTtiReq->pdus->u.ssb_pdu.ssbSubCarrierOffset);
673 printf("\nPHY_STUB: ssbOffsetPointA %d", dlTtiReq->pdus->u.ssb_pdu.ssbOffsetPointA);
674 printf("\nPHY_STUB: bchPayloadFlag %d", dlTtiReq->pdus->u.ssb_pdu.bchPayloadFlag);
675 printf("\nPHY_STUB: bchPayload %x", dlTtiReq->pdus->u.ssb_pdu.bchPayload);
677 uint8_t pduCount = 0;
678 if(dlTtiReq->nPdus == 0)
680 DU_LOG("\nPHY_STUB: No PDU in DL TTI Request");
682 for(pduCount=0; pduCount<dlTtiReq->nPdus; pduCount++)
684 if(dlTtiReq->pdus[pduCount].pduType == 3) //SSB_PDU_TYPE
685 DU_LOG("\nPHY_STUB: SSB PDU");
686 else if(dlTtiReq->pdus[pduCount].pduType == 0)
687 DU_LOG("\nPHY_STUB: PDCCH PDU");
688 else if(dlTtiReq->pdus[pduCount].pduType == 1)
689 DU_LOG("\nPHY_STUB: PDSCH PDU");
692 /* Free FAPI message */
693 MAC_FREE(dlTtiReq, msgLen);
699 /*******************************************************************
701 * @brief Handles tx_data request received from MAC
705 * Function : l1HdlTxDataReq
708 * -Handles tx_data request received from MAC
710 * @params[in] Message length
711 * tx_data request message pointer
715 * ****************************************************************/
717 S16 l1HdlTxDataReq(uint16_t msgLen, void *msg)
720 fapi_tx_data_req_t *txDataReq;
721 txDataReq = (fapi_tx_data_req_t *)msg;
723 DU_LOG("\nPHY STUB: TX DATA Request at sfn=%d slot=%d",txDataReq->sfn,txDataReq->slot);
725 MAC_FREE(txDataReq, msgLen);
731 /*******************************************************************
733 * @brief Fills Uci Ind Pdu Info carried on Pucch Format 0/Format 1
737 * Function : fillPucchF0F1PduInfo
740 * Fills Uci Ind Pdu Info carried on Pucch Format 0/Format 1
742 * @params[in] fapi_uci_o_pucch_f0f1_t *
744 * @return ROK - success
747 * ****************************************************************/
748 uint8_t fillPucchF0F1PduInfo(fapi_uci_o_pucch_f0f1_t *pduInfo, fapi_ul_pucch_pdu_t pucchPdu)
752 pduInfo->handle = pucchPdu.handle;
753 pduInfo->pduBitmap = 1; //hardcoded for SR
754 pduInfo->pucchFormat = pucchPdu.formatType;
756 pduInfo->rnti = pucchPdu.rnti;
757 pduInfo->timingAdvance = 0;
759 pduInfo->uciBits[idx] = 0; //TODO: FAPI spec ver. 222.10.01 has no info about UCI Bits
760 if(pduInfo->pduBitmap & SR_PDU_BITMASK)
762 pduInfo->srInfo.srIndication = SR_DETECTED;
763 pduInfo->srInfo.srConfidenceLevel = CONFDC_LEVEL_GOOD;
765 if(pduInfo->pduBitmap & HARQ_PDU_BITMASK)
767 pduInfo->harqInfo.numHarq++;
768 pduInfo->harqInfo.harqConfidenceLevel = CONFDC_LEVEL_GOOD;
769 for(idx = 0; idx < pduInfo->harqInfo.numHarq; idx++)
771 pduInfo->harqInfo.harqValue[idx] = HARQ_PASS;
776 /*******************************************************************
778 * @brief Fills UCI Pdu Information
782 * Function : fillUciPduInfo
785 * Fills UCI Pdu Information
787 * @params[in] Pointer to uciPdu
789 * @return ROK - success
792 * ****************************************************************/
793 uint8_t fillUciPduInfo(fapi_uci_pdu_info_t *uciPdu, fapi_ul_pucch_pdu_t pucchPdu)
797 /*TODO: The pduType is hardcoded here to support
798 UCI Ind for PUCCH forat0/format1. This is to be
799 modified when we get SR form UE */
800 uciPdu->pduType = UCI_IND_PUCCH_F0F1;
801 switch(uciPdu->pduType)
805 case UCI_IND_PUCCH_F0F1:
807 fapi_uci_o_pucch_f0f1_t *pduInfo = NULLP;
809 pduInfo = &uciPdu->uci.uciPucchF0F1;
810 ret = fillPucchF0F1PduInfo(pduInfo, pucchPdu);
811 uciPdu->pduSize = sizeof(fapi_uci_o_pucch_f0f1_t);
814 case UCI_IND_PUCCH_F2F3F4:
817 DU_LOG("\nPHY_STUB: Invalid Pdu Type %d", uciPdu->pduType);
823 /*******************************************************************
825 * @brief Build and send Uci indication
829 * Function : l1BuildAndSendUciInd
832 * Build and send Uci indication
836 * @return ROK - success
839 * ****************************************************************/
840 uint8_t l1BuildAndSendUciInd(uint16_t slot, uint16_t sfn, fapi_ul_pucch_pdu_t pucchPdu)
843 uint8_t nUciPdus = 0;
846 fapi_uci_indication_t *uciInd = NULLP;
848 MAC_ALLOC(uciInd, sizeof(fapi_uci_indication_t));
851 printf("\nPHY_STUB: Memory allocation failed for UCI Indication");
854 memset(uciInd, 0, sizeof(fapi_uci_indication_t));
857 uciInd->numUcis = 1; //consdering the UCI Ind for SR
858 nUciPdus = uciInd->numUcis;
861 ret = fillUciPduInfo(&uciInd->uciPdu[uciIdx], pucchPdu);
867 msgLen = sizeof(fapi_uci_indication_t)- sizeof(fapi_msg_t);
868 fillMsgHeader(&uciInd->header, FAPI_UCI_INDICATION, msgLen);
870 /* Sending UCI indication to MAC */
871 DU_LOG("\nPHY STUB: Sending UCI Indication to MAC");
872 procPhyMessages(uciInd->header.msg_id, sizeof(fapi_uci_indication_t), (void *)uciInd);
874 MAC_FREE(uciInd, sizeof(fapi_uci_indication_t));
879 /*******************************************************************
881 * @brief Handles Ul Tti request received from MAC
885 * Function : l1HdlUlTtiReq
888 * -Handles Ul Tti request received from MAC
890 * @params[in] Message length
891 * Ul Tti request message pointer
895 * ****************************************************************/
897 S16 l1HdlUlTtiReq(uint16_t msgLen, void *msg)
900 fapi_ul_tti_req_t *ulTtiReq = NULLP;
902 DU_LOG("\nPHY STUB: Received UL TTI Request");
904 ulTtiReq = (fapi_ul_tti_req_t *)msg;
905 uint8_t numPdus = ulTtiReq->nPdus;
909 DU_LOG("\nPHY STUB: No PDU in UL TTI");
913 if(ulTtiReq->pdus[numPdus-1].pduType == 0)
915 DU_LOG("\nPHY STUB: PRACH PDU");
917 if(ulTtiReq->pdus[numPdus-1].pduType == 1)
919 DU_LOG("\nPHY STUB: PUSCH PDU");
920 l1BuildAndSendRxDataInd(ulTtiReq->slot, ulTtiReq->sfn, \
921 ulTtiReq->pdus[numPdus-1].pdu.pusch_pdu);
923 if(ulTtiReq->pdus[numPdus-1].pduType == 2)
925 DU_LOG("\nPHY STUB: PUCCH PDU");
926 fapi_ul_tti_req_t ulTtiSlotInd;
927 memset(&ulTtiSlotInd, 0, sizeof(fapi_ul_tti_req_t));
928 ulTtiSlotInd.slot = ulTtiReq->slot;
929 ulTtiSlotInd.sfn = ulTtiReq->sfn;
930 ADD_DELTA_TO_TIME(ulTtiSlotInd, ulTtiSlotInd, SLOT_DELAY);
931 l1BuildAndSendUciInd(ulTtiSlotInd.slot, ulTtiSlotInd.sfn, \
932 ulTtiReq->pdus[numPdus-1].pdu.pucch_pdu);
937 if(rachIndSent == false && ulTtiReq->sfn == 2 && ulTtiReq->slot == 6)
940 l1BuildAndSendRachInd(ulTtiReq->slot, ulTtiReq->sfn);
943 MAC_FREE(ulTtiReq, msgLen);
948 /*******************************************************************
950 * @brief Builds and Send the stop Indication message to MAC
954 * Function : l1BuildAndSendStopInd
957 * -Send the Stop indication Message to MAC
962 * ****************************************************************/
963 uint16_t l1BuildAndSendStopInd()
966 fapi_stop_ind_t *stopIndMsg = NULLP;
969 MAC_ALLOC(stopIndMsg, sizeof(fapi_stop_ind_t));
972 DU_LOG("\nPHY_STUB: Memory allocation failed for stop Indication Message");
977 fillMsgHeader(&stopIndMsg->header, FAPI_STOP_INDICATION, msgLen);
978 DU_LOG("\n\nPHY_STUB: Processing Stop indication to MAC");
979 procPhyMessages(stopIndMsg->header.msg_id,\
980 sizeof(fapi_stop_ind_t), (void*)stopIndMsg);
981 MAC_FREE(stopIndMsg, sizeof(fapi_stop_ind_t));
987 /*******************************************************************
989 * @brief Handles stop request received from MAC
993 * Function : l1HdlStopReq
996 * -Handles stop request received from MAC
998 * @params[in] Message length
999 * stop request message pointer
1003 * ****************************************************************/
1005 S16 l1HdlStopReq(uint32_t msgLen, void *msg)
1008 fapi_stop_req_t *stopReq = (fapi_stop_req_t *)msg;
1010 if(lwrMacCb.phyState == PHY_STATE_RUNNING)
1012 l1HdlSlotIndicaion(TRUE);
1013 DU_LOG("\nPHY_STUB: Slot Indication is stopped successfully");
1014 l1BuildAndSendStopInd();
1015 MAC_FREE(stopReq, msgLen);
1019 DU_LOG("\nPHY_STUB: Received Stop Req in PHY State %d", lwrMacCb.phyState);
1026 /*******************************************************************
1028 * @brief Build And Send Rx Data Ind for Msg5
1032 * Function : l1BuildAndSendMsg5
1034 * Functionality: Build And Send Rx Data Ind for Msg5
1038 * @return ROK - success
1041 * ****************************************************************/
1042 uint8_t l1BuildAndSendMsg5(uint16_t sfn, uint16_t slot)
1046 fapi_rx_data_indication_t *rxDataInd;
1047 fapi_pdu_ind_info_t *pduInfo;
1049 uint16_t byteIdx = 0;
1050 uint32_t msgLen = 0;
1052 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
1055 printf("\nPHY_STUB: Memory allocation failed for Rx Data Indication for msg5");
1058 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
1060 /* TODO: Fill the required values */
1061 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
1062 rxDataInd->sfn = sfn;
1063 rxDataInd->slot = slot;
1064 rxDataInd->numPdus = 1;
1066 pduInfo = &rxDataInd->pdus[idx];
1067 pduInfo->handle = 100;
1068 pduInfo->rnti = 100;
1069 pduInfo->harqId = 1;
1070 pduInfo->pdu_length = 25;
1071 pduInfo->ul_cqi = 0;
1072 pduInfo->timingAdvance = 0;
1075 /* Filling pdu with random values for testing */
1076 pduInfo->pduData = NULL;
1077 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
1078 if(!pduInfo->pduData)
1080 printf("\nPHY_STUB: Memory allocation failed for Rx Data Pdu");
1085 pdu = (uint8_t *)pduInfo->pduData;
1087 uint8_t msg5PduLen = 33;
1088 /* For RRC setup complete
1089 MAC subheader format is R/F/LCId/L (2/3 bytes)
1091 L is length of PDU i.e 6bytes here
1092 From 38.321 section 6.1.1
1094 uint8_t msg5[] = {1, msg5PduLen, 0, 0, 16, 0, 5, 223, 128, 16, 94, \
1095 64, 3, 64, 89, 61, 138, 64, 0, 0, 0, 4, 0, 0, 4, 68, 11, 128, \
1096 184, 56, 0, 0, 0, 0, 0};
1098 msg5PduLen += 2; /* 2bytes of header */
1099 memcpy(pdu, &msg5, msg5PduLen);
1100 byteIdx += msg5PduLen; /* 2 bytes of header */
1102 /* Filling MAC SDU for Padding bytes*/
1103 if(byteIdx < pduInfo->pdu_length)
1106 MAC subheader format is R/R/LCId (1byte)
1107 LCId is 63 for padding
1108 From 38.321 section 6.1.1
1110 pdu[byteIdx++] = 63;
1112 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
1115 msgLen += pduInfo->pdu_length;
1117 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
1119 /* Sending Rx data indication to MAC */
1120 DU_LOG("\nPHY STUB: Sending Rx data Indication to MAC");
1121 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
1123 if(pduInfo->pdu_length)
1124 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1125 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1130 /*******************************************************************
1132 * @brief Handles Ul Dci request received from MAC
1136 * Function : l1HdlUlDciReq
1139 * -Handles Ul Dci request received from MAC
1141 * @params[in] Message length
1142 * Ul Dci request message pointer
1146 * ****************************************************************/
1148 S16 l1HdlUlDciReq(uint16_t msgLen, void *msg)
1151 fapi_ul_dci_req_t *ulDciReq = NULLP;
1153 ulDciReq = (fapi_ul_dci_req_t *)msg;
1154 uint8_t numPdus = ulDciReq->numPdus;
1158 if(ulDciReq->pdus[numPdus-1].pduType == 0)
1160 DU_LOG("\nPHY STUB: Received UL DCI Request for PDCCH PDU");
1161 //l1BuildAndSendMsg5(ulDciReq->sfn, ulDciReq->slot);
1167 MAC_FREE(ulDciReq, msgLen);
1172 /*******************************************************************
1174 * @brief Receives message from MAC
1178 * Function : l1ProcessFapiRequest
1181 * - Receives message from MAC and calls handler
1183 * @params[in] Message type
1189 * ****************************************************************/
1191 void l1ProcessFapiRequest(uint8_t msgType, uint32_t msgLen, void *msg)
1196 case FAPI_PARAM_REQUEST:
1197 l1HdlParamReq(msgLen, msg);
1199 case FAPI_CONFIG_REQUEST:
1200 l1HdlConfigReq(msgLen, msg);
1202 case FAPI_START_REQUEST:
1203 l1HdlStartReq(msgLen, msg);
1205 case FAPI_DL_TTI_REQUEST:
1206 l1HdlDlTtiReq(msgLen, msg);
1208 case FAPI_TX_DATA_REQUEST:
1209 l1HdlTxDataReq(msgLen, msg);
1211 case FAPI_UL_TTI_REQUEST:
1212 l1HdlUlTtiReq(msgLen, msg);
1214 case FAPI_STOP_REQUEST:
1215 l1HdlStopReq(msgLen, msg);
1217 case FAPI_UL_DCI_REQUEST:
1218 l1HdlUlDciReq(msgLen, msg);
1221 DU_LOG("\nPHY_STUB: Invalid message type[%x] received at PHY", msgType);
1226 /**********************************************************************
1228 **********************************************************************/