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_fsm.h"
28 #include "lwr_mac_phy.h"
31 #include "fapi_vendor_extension.h"
33 #include "lwr_mac_upr_inf.h"
34 #include "mac_utils.h"
36 #include "phy_stub_utils.h"
37 #include "lwr_mac_phy_stub_inf.h"
39 /*******************************************************************
41 * @brief Builds and sends param response to MAC CL
45 * Function : l1BldAndSndParamRsp
48 * - Builds and sends param response to MAC
50 * @params[in] Config request message pointer
51 * @return ROK - success
54 * ****************************************************************/
55 S16 l1BldAndSndParamRsp(void *msg)
60 fapi_param_resp_t *fapiParamRsp;
62 MAC_ALLOC(fapiParamRsp, sizeof(fapi_param_resp_t));
65 DU_LOG("\nERROR --> PHY STUB: Memory allocation failed");
70 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_RELEASE_CAPABILITY_TAG, sizeof(uint16_t), 1, &msgLen);
71 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PHY_STATE_TAG, sizeof(uint16_t), 0, &msgLen);
72 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SKIP_BLANK_DL_CONFIG_TAG, sizeof(uint8_t), 0, &msgLen);
73 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SKIP_BLANK_UL_CONFIG_TAG, sizeof(uint8_t), 0, &msgLen);
74 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_NUM_CONFIG_TLVS_TO_REPORT_TYPE_TAG, sizeof(uint8_t), 0, &msgLen);
77 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_CYCLIC_PREFIX_TAG, sizeof(uint8_t), 1, &msgLen);
78 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_SUBCARRIER_SPACING_DL_TAG, sizeof(uint8_t), 1, &msgLen);
79 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_BANDWIDTH_DL_TAG, sizeof(uint16_t), 1, &msgLen);
80 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_SUBCARRIER_SPACING_UL_TAG, sizeof(uint8_t), 0, &msgLen);
81 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_BANDWIDTH_UL_TAG, sizeof(uint16_t), 0, &msgLen);
84 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_CCE_MAPPING_TYPE_TAG, sizeof(uint8_t), 0, &msgLen);
85 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_CORESET_OUTSIDE_FIRST_3_OFDM_SYMS_OF_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
86 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PRECODER_GRANULARITY_CORESET_TAG, sizeof(uint8_t), 0, &msgLen);
87 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDCCH_MU_MIMO_TAG, sizeof(uint8_t), 0, &msgLen);
88 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDCCH_PRECODER_CYCLING_TAG, sizeof(uint8_t), 0, &msgLen);
89 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_PDCCHS_PER_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
92 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUCCH_FORMATS_TAG, sizeof(uint8_t), 0, &msgLen);
93 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_PUCCHS_PER_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
96 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_MAPPING_TYPE_TAG, sizeof(uint8_t), 0, &msgLen);
97 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_ALLOCATION_TYPES_TAG, sizeof(uint8_t), 0, &msgLen);
98 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_VRB_TO_PRB_MAPPING_TAG, sizeof(uint8_t), 0, &msgLen);
99 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_CBG_TAG, sizeof(uint8_t), 0, &msgLen);
100 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_DMRS_CONFIG_TYPES_TAG, sizeof(uint8_t), 0, &msgLen);
101 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_DMRS_MAX_LENGTH_TAG, sizeof(uint8_t), 0, &msgLen);
102 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_DMRS_ADDITIONAL_POS_TAG, sizeof(uint8_t), 0, &msgLen);
103 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_PDSCHS_TBS_PER_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
104 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_NUMBER_MIMO_LAYERS_PDSCH_TAG, sizeof(uint8_t), 0, &msgLen);
105 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_MAX_MODULATION_ORDER_DL_TAG, sizeof(uint8_t), 0, &msgLen);
106 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_MU_MIMO_USERS_DL_TAG, sizeof(uint8_t), 0, &msgLen);
107 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_DATA_IN_DMRS_SYMBOLS_TAG, sizeof(uint8_t), 0, &msgLen);
108 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PREMPTIONSUPPORT_TAG, sizeof(uint8_t), 0, &msgLen);
109 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PDSCH_NON_SLOT_SUPPORT_TAG, sizeof(uint8_t), 0, &msgLen);
112 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_UCI_MUX_ULSCH_IN_PUSCH_TAG, sizeof(uint8_t), 0, &msgLen);
113 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_UCI_ONLY_PUSCH_TAG, sizeof(uint8_t), 0, &msgLen);
114 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_FREQUENCY_HOPPING_TAG, sizeof(uint8_t), 0, &msgLen);
115 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_DMRS_CONFIG_TYPES_TAG, sizeof(uint8_t), 0, &msgLen);
116 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_DMRS_MAX_LEN_TAG, sizeof(uint8_t), 0, &msgLen);
117 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_DMRS_ADDITIONAL_POS_TAG, sizeof(uint8_t), 0, &msgLen);
118 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_CBG_TAG, sizeof(uint8_t), 0, &msgLen);
119 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_MAPPING_TYPE_TAG, sizeof(uint8_t), 0, &msgLen);
120 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_ALLOCATION_TYPES_TAG, sizeof(uint8_t), 0, &msgLen);
121 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_VRB_TO_PRB_MAPPING_TAG, sizeof(uint8_t), 0, &msgLen);
122 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_MAX_PTRS_PORTS_TAG, sizeof(uint8_t), 0, &msgLen);
123 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_PDUSCHS_TBS_PER_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
124 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_NUMBER_MIMO_LAYERS_NON_CB_PUSCH_TAG, sizeof(uint8_t), 0, &msgLen);
125 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_SUPPORTED_MODULATION_ORDER_UL_TAG, sizeof(uint8_t), 0, &msgLen);
126 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_MU_MIMO_USERS_UL_TAG, sizeof(uint8_t), 0, &msgLen);
127 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_DFTS_OFDM_SUPPORT_TAG, sizeof(uint8_t), 0, &msgLen);
128 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PUSCH_AGGREGATION_FACTOR_TAG, sizeof(uint8_t), 0, &msgLen);
131 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PRACH_LONG_FORMATS_TAG, sizeof(uint8_t), 0, &msgLen);
132 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PRACH_SHORT_FORMATS_TAG, sizeof(uint8_t), 0, &msgLen);
133 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_PRACH_RESTRICTED_SETS_TAG, sizeof(uint8_t), 0, &msgLen);
134 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_MAX_PRACH_FD_OCCASIONS_IN_A_SLOT_TAG, sizeof(uint8_t), 0, &msgLen);
136 /* MEASUREMENT TAG */
137 fillTlvs(&fapiParamRsp->tlvs[index++], FAPI_RSSI_MEASUREMENT_SUPPORT_TAG, sizeof(uint8_t), 0, &msgLen);
139 fapiParamRsp->number_of_tlvs = index;
140 msgLen += sizeof(fapi_param_resp_t) - sizeof(fapi_msg_t);
141 fillMsgHeader(&fapiParamRsp->header, FAPI_PARAM_RESPONSE, msgLen);
142 fapiParamRsp->error_code = MSG_OK;
144 DU_LOG("\nINFO --> PHY_STUB: Sending Param Request to Lower Mac");
145 procPhyMessages(fapiParamRsp->header.msg_id, sizeof(fapi_param_resp_t), (void *)fapiParamRsp);
146 MAC_FREE(fapiParamRsp, sizeof(fapi_param_resp_t));
151 /*******************************************************************
153 * @brief Builds and sends config response to lower mac
157 * Function : l1BldAndSndConfigRsp
160 * - Builds and sends config response to MAC
162 * @params[in] Config request message pointer
163 * @return ROK - success
166 * ****************************************************************/
168 S16 l1BldAndSndConfigRsp(void *msg)
172 fapi_config_resp_t *fapiConfigRsp;
174 MAC_ALLOC(fapiConfigRsp, sizeof(fapi_config_resp_t));
177 DU_LOG("\nERROR --> PHY STUB: Memory allocation failed");
180 memset(fapiConfigRsp, 0, sizeof(fapi_config_resp_t));
181 fapiConfigRsp->number_of_invalid_tlvs = NULLP;
182 fapiConfigRsp->number_of_inv_tlvs_idle_only = NULLP;
183 fapiConfigRsp->number_of_missing_tlvs = NULLP;
184 fapiConfigRsp->error_code = MSG_OK;
185 msgLen = sizeof(fapi_config_resp_t) - sizeof(fapi_msg_t);
186 fillMsgHeader(&fapiConfigRsp->header, FAPI_CONFIG_RESPONSE, msgLen);
188 DU_LOG("\nINFO --> PHY_STUB: Sending Config Response to Lower Mac");
190 procPhyMessages(fapiConfigRsp->header.msg_id, \
191 sizeof(fapi_config_resp_t), (void *)fapiConfigRsp);
192 MAC_FREE(fapiConfigRsp, sizeof(fapi_config_resp_t));
196 /*******************************************************************
198 * @brief Handles param request received from MAC
202 * Function : l1HdlParamReq
205 * -Handles param request received from MAC
207 * @params[in] Message length
208 * Param request message pointer
212 * ****************************************************************/
214 void l1HdlParamReq(uint32_t msgLen, void *msg)
217 DU_LOG("\nINFO --> PHY_STUB: Received Param Request in PHY");
219 /* Build and send PARAM RESPONSE */
220 if(l1BldAndSndParamRsp(msg)!= ROK)
222 DU_LOG("\nERROR --> PHY_STUB: Failed Sending Param Response");
224 MAC_FREE(msg, sizeof(fapi_param_req_t));
228 /*******************************************************************
230 * @brief Handles config request received from MAC
234 * Function : l1HdlConfigReq
237 * -Handles config request received from MAC
239 * @params[in] Message length
240 * config request message pointer
244 * ****************************************************************/
246 void l1HdlConfigReq(uint32_t msgLen, void *msg)
248 memset(&phyDb.ueDb, 0, sizeof(UeDb));
249 cmInetAddr((char *)SOURCE_DU_IPV4_ADDR, &phyDb.ipCfgInfo.sourceDu);
250 cmInetAddr((char *)DESTINATION_DU_IPV4_ADDR, &phyDb.ipCfgInfo.destinationDu);
251 phyDb.ipCfgInfo.portNumber = PORT_NUMBER;
252 phyDb.isServer = true;
255 p_fapi_api_queue_elem_t configReqElem = (p_fapi_api_queue_elem_t)msg;
256 fapi_config_req_t *configReq = (fapi_config_req_t *)(configReqElem +1);
258 DU_LOG("\nINFO --> PHY_STUB: Received Config Request in PHY");
260 /* Handling CONFIG RESPONSE */
261 if(l1BldAndSndConfigRsp(configReq)!= ROK)
263 DU_LOG("\nERROR --> PHY_STUB: Failed Sending config Response");
266 MAC_FREE(msg, msgLen);
271 /*******************************************************************
273 * @brief Build and Send CRC Indication
277 * Function : l1BuildAndSendCrcInd
280 * Build and Send CRC Indication
284 * @return ROK - success
287 * ****************************************************************/
288 uint16_t l1BuildAndSendCrcInd(uint16_t slot, uint16_t sfn)
292 fapi_crc_ind_t *crcInd;
294 MAC_ALLOC(crcInd, sizeof(fapi_crc_ind_t));
297 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for CRC Indication Message");
300 memset(crcInd, 0, sizeof(fapi_crc_ind_t));
302 /* TODO: Fill the required values. As of now only 1 CRC status PASS is filled */
307 crcInd->crc[idx].handle = 0;
308 crcInd->crc[idx].rnti = 0;
309 crcInd->crc[idx].harqId = 0;
310 crcInd->crc[idx].tbCrcStatus = 0;
311 crcInd->crc[idx].numCb = 1;
312 crcInd->crc[idx].cbCrcStatus[0] = 0;
313 crcInd->crc[idx].ul_cqi = 0;
314 crcInd->crc[idx].timingAdvance = 0;
315 crcInd->crc[idx].rssi = 0;
317 fillMsgHeader(&crcInd->header, FAPI_CRC_INDICATION, \
318 sizeof(fapi_crc_ind_t) - sizeof(fapi_msg_t));
320 /* Sending RACH indication to MAC */
321 DU_LOG("\nINFO --> PHY STUB: Sending CRC Indication to MAC");
322 procPhyMessages(crcInd->header.msg_id, sizeof(fapi_crc_ind_t), (void *)crcInd);
323 MAC_FREE(crcInd, sizeof(fapi_crc_ind_t));
326 } /* l1BuildAndSendCrcInd */
329 /*******************************************************************
331 * @brief Build and send Rx data indication
335 * Function : l1BuildAndSendRxDataInd
338 * Build and send Rx data indication
342 * @return ROK - success
345 * ****************************************************************/
346 uint16_t l1BuildAndSendRxDataInd(uint16_t slot, uint16_t sfn, fapi_ul_pusch_pdu_t puschPdu)
348 uint8_t idx = 0, ueId = 0;
349 fapi_rx_data_indication_t *rxDataInd =NULLP;
350 fapi_pdu_ind_info_t *pduInfo =NULLP;
351 uint8_t *pdu = NULLP;
352 uint16_t byteIdx = 0;
356 GET_UE_ID(puschPdu.rnti, ueId);
357 if(phyDb.ueDb.ueCb[ueId-1].isCFRA)
359 if(!phyDb.ueDb.ueCb[ueId-1].msgRrcReconfigComp)
361 /* In CF-RA in case of handover, RRC Reconfiguration Complete is sent
362 * by UE once RAR is received from DU */
363 phyDb.ueDb.ueCb[ueId-1].ueId = ueId;
364 phyDb.ueDb.ueCb[ueId-1].crnti = puschPdu.rnti;
365 phyDb.ueDb.ueCb[ueId-1].msgRrcReconfigComp = true;
366 type = MSG_TYPE_RRC_RECONFIG_COMPLETE;
373 if(!phyDb.ueDb.ueCb[ueId-1].msg3Sent)
375 phyDb.ueDb.ueCb[ueId-1].ueId = ueId;
376 phyDb.ueDb.ueCb[ueId-1].crnti = puschPdu.rnti;
377 phyDb.ueDb.ueCb[ueId-1].msg3Sent = true;
378 type = MSG_TYPE_MSG3;
381 else if(!phyDb.ueDb.ueCb[ueId-1].msg5ShortBsrSent)
383 phyDb.ueDb.ueCb[ueId-1].msg5ShortBsrSent = true;
384 type = MSG_TYPE_SHORT_BSR;
386 else if(!phyDb.ueDb.ueCb[ueId-1].msg5Sent)
388 phyDb.ueDb.ueCb[ueId-1].msg5Sent = true;
389 type = MSG_TYPE_MSG5;
391 else if(!phyDb.ueDb.ueCb[ueId-1].msgSecurityModeComp)
393 phyDb.ueDb.ueCb[ueId-1].msgSecurityModeComp = true;
394 type = MSG_TYPE_SECURITY_MODE_COMPLETE;
396 else if(!phyDb.ueDb.ueCb[ueId-1].msgRegistrationComp)
398 phyDb.ueDb.ueCb[ueId-1].msgRegistrationComp = true;
399 type = MSG_TYPE_REGISTRATION_COMPLETE;
401 else if(!phyDb.ueDb.ueCb[ueId-1].msgRrcReconfigComp)
403 phyDb.ueDb.ueCb[ueId-1].msgRrcReconfigComp = true;
404 type = MSG_TYPE_RRC_RECONFIG_COMPLETE;
410 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
413 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Indication");
416 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
418 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
419 rxDataInd->sfn = sfn;
420 rxDataInd->slot = slot;
421 rxDataInd->numPdus = 1;
423 pduInfo = &rxDataInd->pdus[idx];
424 pduInfo->handle = puschPdu.handle;
425 pduInfo->rnti = puschPdu.rnti;
426 pduInfo->harqId = puschPdu.puschData.harqProcessId;
427 pduInfo->pdu_length = puschPdu.puschData.tbSize ;
429 pduInfo->timingAdvance = 0;
432 /* Filling pdu with random values for testing */
433 pduInfo->pduData = NULL;
434 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
435 if(!pduInfo->pduData)
437 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Pdu");
440 memset(pduInfo->pduData, 0, pduInfo->pdu_length);
442 pdu = (uint8_t *)pduInfo->pduData;
448 DU_LOG("\nDEBUG --> PHY_STUB: Forming MSG3 PDU ");
449 /* For Initial RRC setup Request,
450 MAC subheader format is R/R/LCId (1byte)
452 From 38.321 section 6.1.1
455 /* Hardcoding MAC PDU */
461 pdu[byteIdx++] = 103;
465 case MSG_TYPE_SHORT_BSR:
467 DU_LOG("\nDEBUG --> PHY_STUB: Forming SHORT BSR PDU ");
469 uint8_t bufferSizeIdx = 6;
472 MAC subheader format is R/R/LcId (1Byte)
474 From 38.321 section 6.1.1
476 pdu[byteIdx++] = 61; // LCID
477 pdu[byteIdx++] = (lcgId << 5) | bufferSizeIdx;
484 /* For RRC setup complete
486 * MAC subheader format is R/F/LCId/L (2/3 bytes)
488 * L is length of PDU i.e 6bytes here
489 * From 38.321 section 6.1.1
491 * RLC subheader for AM PDU is D/C/P/SI/SN (2 bytes for 12-bit SN)
492 * From 38.322, section 6.2.2.4
494 DU_LOG("\nDEBUG --> PHY_STUB: Forming MSG5 PDU");
495 uint8_t msg5PduLen = 33; /* Length of MSG5 */
496 msg5PduLen += 2; /* RLC subheader */
497 uint8_t msg5[] = {1, msg5PduLen, 128, phyDb.ueDb.ueCb[ueId-1].rlcSnForSrb1++, 0, phyDb.ueDb.ueCb[ueId-1].pdcpSn++, 16, 0, \
498 5, 223, 128, 16, 94, 64, 3, 64, 68, 252, 97, 0, 0, 0, 0, 4, 0, 0, 4, 68, 11, 128, 184, 56, 0, 0, 0, 0, 0};
500 msg5PduLen += 2; /* 2 bytes of MAC header */
501 memcpy(pdu, &msg5, msg5PduLen);
502 byteIdx += msg5PduLen; /* 4 bytes of header : MAC+RLC */
506 case MSG_TYPE_SECURITY_MODE_COMPLETE:
508 /* For security mode complete where RRC Container is dummy
510 * MAC subheader format is R/F/LCId/L (2/3 bytes)
512 * L is length of PDU i.e 6bytes here
513 * From 38.321 section 6.1.1
515 * RLC subheader for AM PDU is D/C/P/SI/SN (2 bytes for 12-bit SN)
516 * From 38.322, section 6.2.2.4
518 DU_LOG("\nDEBUG --> PHY_STUB: Forming SECURITY MODE COMPLETE PDU");
519 uint8_t pduLen = 12; /* Length of PDU */
520 pduLen += 2; /* RLC subheader */
521 uint8_t msg[] = {1, pduLen, 128, phyDb.ueDb.ueCb[ueId-1].rlcSnForSrb1++, 0, phyDb.ueDb.ueCb[ueId-1].pdcpSn++, 0x2a, 0x40, \
522 0, 0, 0, 0, 0, 0, 0, 0};
524 pduLen += 2; /* 2 bytes of MAC header */
525 memcpy(pdu, &msg, pduLen);
526 byteIdx += pduLen; /* 4 bytes of header : MAC+RLC */
530 case MSG_TYPE_REGISTRATION_COMPLETE:
532 /* For rrc reconfig complete where RRC Container is dummy
534 * MAC subheader format is R/F/LCId/L (2/3 bytes)
536 * L is length of PDU i.e 6bytes here
537 * From 38.321 section 6.1.1
539 * RLC subheader for AM PDU is D/C/P/SI/SN (2 bytes for 12-bit SN)
540 * From 38.322, section 6.2.2.4
542 DU_LOG("\nDEBUG --> PHY_STUB: Forming RRC REGISTRATION COMPLETE PDU");
543 uint8_t pduLen = 12; /* Length of PDU */
544 pduLen += 2; /* RLC subheader */
545 uint8_t msg[] = {1, pduLen, 128, phyDb.ueDb.ueCb[ueId-1].rlcSnForSrb1++, 0, phyDb.ueDb.ueCb[ueId-1].pdcpSn++, 0x3a, 0x81, \
546 0xbf, 0, 0x21, 0x80, 0, 0, 0, 0};
548 pduLen += 2; /* 2 bytes of MAC header */
549 memcpy(pdu, &msg, pduLen);
550 byteIdx += pduLen; /* 4 bytes of header : MAC+RLC */
554 case MSG_TYPE_RRC_RECONFIG_COMPLETE:
556 /* For rrc reconfig complete where RRC Container is dummy
558 * MAC subheader format is R/F/LCId/L (2/3 bytes)
560 * L is length of PDU i.e 6bytes here
561 * From 38.321 section 6.1.1
563 * RLC subheader for AM PDU is D/C/P/SI/SN (2 bytes for 12-bit SN)
564 * From 38.322, section 6.2.2.4
566 DU_LOG("\nDEBUG --> PHY_STUB: Forming RRC RECONFIGURATION COMPLETE PDU");
567 uint8_t pduLen = 13; /* PDU length */
568 pduLen += 2; /* RLC sub header */
569 uint8_t msg[] = {1, pduLen, 128, phyDb.ueDb.ueCb[ueId-1].rlcSnForSrb1++, 0, phyDb.ueDb.ueCb[ueId-1].pdcpSn++, 8, 64, 0, 0,\
570 0, 0, 0, 0, 0, 0, 0};
572 pduLen += 2; /* 2bytes of MAC header */
573 memcpy(pdu, &msg, pduLen);
574 byteIdx += pduLen; /* 4 bytes of header : MAC+RLC*/
581 } /* End of switch(type) */
583 /* Filling MAC SDU for Padding bytes*/
584 if(byteIdx < pduInfo->pdu_length)
587 MAC subheader format is R/R/LCId (1byte)
588 LCId is 63 for padding
589 From 38.321 section 6.1.1
593 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
596 msgLen += pduInfo->pdu_length;
598 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
600 /* Sending Rx data indication to MAC */
601 DU_LOG("\nINFO --> PHY STUB: Sending Rx data Indication to MAC");
602 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
604 if(pduInfo->pdu_length)
605 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
606 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
611 /*******************************************************************
613 * @brief Builds and Sends RACH indication to MAC
617 * Function : l1BuildAndSendRachInd
620 * Builds and Sends RACH indication to MAC
622 * @params[in] SFN value
624 * @return ROK - success
627 * ****************************************************************/
628 uint16_t l1BuildAndSendRachInd(uint16_t slot, uint16_t sfn, uint8_t raPreambleIdx)
631 uint8_t rachPduIdx = 0;
632 uint8_t preamIdx = 0;
633 fapi_rach_pdu_t *rachPdu;
634 fapi_rach_indication_t *rachInd;
636 /* Building RACH indication */
637 MAC_ALLOC(rachInd, sizeof(fapi_rach_indication_t));
640 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rach Indication Message");
643 memset(rachInd, 0, sizeof(fapi_rach_indication_t));
645 rachInd->slot = slot;
646 rachInd->numPdus = 1;
648 rachPdu = &rachInd->rachPdu[rachPduIdx];
649 rachPdu->phyCellId = NR_PCI;
650 rachPdu->symbolIndex = 0;
651 rachPdu->slotIndex = slot;
652 rachPdu->freqIndex = 0;
653 rachPdu->avgRssi = 0;
655 rachPdu->numPreamble = 1;
657 rachPdu->preambleInfo[preamIdx].preambleIndex = raPreambleIdx;
658 rachPdu->preambleInfo[preamIdx].timingAdvance = 0;
659 rachPdu->preambleInfo[preamIdx].preamblePwr = 0;
661 fillMsgHeader(&rachInd->header, FAPI_RACH_INDICATION, \
662 sizeof(fapi_rach_indication_t) - sizeof(fapi_msg_t));
664 /* Sending RACH indication to MAC */
665 DU_LOG("\nINFO --> PHY STUB: Sending RACH Indication to MAC");
666 procPhyMessages(rachInd->header.msg_id, sizeof(fapi_rach_indication_t), (void *)rachInd);
667 MAC_FREE(rachInd, sizeof(fapi_rach_indication_t));
672 /*******************************************************************
674 * @brief Builds and Send the Slot Indication message to MAC
678 * Function : l1BuildAndSendSlotIndication
681 * -Send the Slot indication Message to MAC
683 * @params[in] Message length
684 * config request message pointer
688 * ****************************************************************/
689 uint16_t l1BuildAndSendSlotIndication()
695 fapi_slot_ind_t *slotIndMsg;
697 MAC_ALLOC_SHRABL_BUF(slotIndMsg, sizeof(fapi_slot_ind_t));
700 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for slot Indication Message");
705 memset(slotIndMsg, 0, sizeof(fapi_slot_ind_t));
706 slotIndMsg->sfn = sfnValue;
707 slotIndMsg->slot = slotValue;
709 #ifdef ODU_SLOT_IND_DEBUG_LOG
710 DU_LOG("\n\nDEBUG --> PHY_STUB: Sending Slot Indication [%d : %d] to MAC", sfnValue, slotValue);
713 /* increment for the next TTI */
715 if(sfnValue >= MAX_SFN_VALUE && slotValue > MAX_SLOT_VALUE)
720 else if(slotValue > MAX_SLOT_VALUE)
725 fillMsgHeader(&slotIndMsg->header, FAPI_SLOT_INDICATION, \
726 sizeof(fapi_slot_ind_t) - sizeof(fapi_msg_t));
728 memset(&pst, 0, sizeof(Pst));
729 FILL_PST_PHY_STUB_TO_LWR_MAC(pst, EVT_PHY_STUB_SLOT_IND);
730 ODU_GET_MSG_BUF(pst.region, pst.pool, &mBuf);
733 DU_LOG("\nERROR --> PHY_STUB: Failed to allocate memory for slot indication buffer");
734 MAC_FREE_SHRABL_BUF(pst.region, pst.pool, slotIndMsg, sizeof(fapi_slot_ind_t));
737 CMCHKPK(oduPackPointer, (PTR)slotIndMsg, mBuf);
738 ODU_POST_TASK(&pst, mBuf);
744 /*******************************************************************
746 * @brief Handles start request received from MAC
750 * Function : l1HdlStartReq
753 * -Handles start request received from MAC
755 * @params[in] Message length
756 * config request message pointer
760 * ****************************************************************/
762 S16 l1HdlStartReq(uint32_t msgLen, void *msg)
765 if(lwrMacCb.phyState == PHY_STATE_CONFIGURED)
767 l1HdlSlotIndicaion(FALSE);
768 l1StartConsoleHandler();
769 MAC_FREE(msg, msgLen);
773 DU_LOG("\nINFO --> PHY_STUB: Received Start Req in PHY State %d", lwrMacCb.phyState);
774 MAC_FREE(msg, msgLen);
781 /*******************************************************************
783 * @brief Handles Dl Tti request received from MAC
787 * Function : l1HdlDlTtiReq
790 * -Handles Dl Tti request received from MAC
792 * @params[in] Message length
793 * Dl Tti request message pointer
797 * ****************************************************************/
799 S16 l1HdlDlTtiReq(uint16_t msgLen, void *msg)
802 p_fapi_api_queue_elem_t dlTtiElem = (p_fapi_api_queue_elem_t)msg;
803 fapi_dl_tti_req_t *dlTtiReq = (fapi_dl_tti_req_t *)(dlTtiElem +1);
805 uint8_t pduCount = 0;
807 #ifdef ODU_SLOT_IND_DEBUG_LOG
808 if(dlTtiReq->nPdus == 0)
810 DU_LOG("\nDEBUG --> PHY_STUB: No PDU in DL TTI Request");
814 DU_LOG("\nDEBUG --> PHY STUB: DL TTI Request at sfn=%d slot=%d",dlTtiReq->sfn,dlTtiReq->slot);
818 for(pduCount=0; pduCount<dlTtiReq->nPdus; pduCount++)
820 if(dlTtiReq->pdus[pduCount].pduType == 3) //SSB_PDU_TYPE
822 DU_LOG("\nINFO --> PHY_STUB: SSB PDU");
824 else if(dlTtiReq->pdus[pduCount].pduType == 0)
826 DU_LOG("\nINFO --> PHY_STUB: PDCCH PDU");
828 else if(dlTtiReq->pdus[pduCount].pduType == 1)
830 DU_LOG("\nINFO --> PHY_STUB: PDSCH PDU");
834 /* Free FAPI message */
835 MAC_FREE(msg, msgLen);
840 /*******************************************************************
842 * @brief Handles tx_data request received from MAC
846 * Function : l1HdlTxDataReq
849 * -Handles tx_data request received from MAC
851 * @params[in] Message length
852 * tx_data request message pointer
856 * ****************************************************************/
858 S16 l1HdlTxDataReq(uint16_t msgLen, void *msg)
861 p_fapi_api_queue_elem_t txDataElem = (p_fapi_api_queue_elem_t)msg;
862 fapi_tx_data_req_t *txDataReq = (fapi_tx_data_req_t *)(txDataElem +1);
864 DU_LOG("\nINFO --> PHY STUB: TX DATA Request at sfn=%d slot=%d",txDataReq->sfn,txDataReq->slot);
868 DU_LOG("\nINFO --> PHY_STUB: TxDataPdu for DED MSG sent");
872 MAC_FREE(msg, msgLen);
878 /*******************************************************************
880 * @brief Fills Uci Ind Pdu Info carried on Pucch Format 0/Format 1
884 * Function : fillPucchF0F1PduInfo
887 * Fills Uci Ind Pdu Info carried on Pucch Format 0/Format 1
889 * @params[in] fapi_uci_o_pucch_f0f1_t *
891 * @return ROK - success
894 * ****************************************************************/
895 uint8_t fillPucchF0F1PduInfo(fapi_uci_o_pucch_f0f1_t *pduInfo, fapi_ul_pucch_pdu_t pucchPdu)
899 pduInfo->handle = pucchPdu.handle;
900 pduInfo->pduBitmap = 1; //hardcoded for SR
901 pduInfo->pucchFormat = pucchPdu.formatType;
903 pduInfo->rnti = pucchPdu.rnti;
904 pduInfo->timingAdvance = 0;
906 if(pduInfo->pduBitmap & SR_PDU_BITMASK)
908 pduInfo->srInfo.srIndication = SR_DETECTED;
909 pduInfo->srInfo.srConfidenceLevel = CONFDC_LEVEL_GOOD;
911 if(pduInfo->pduBitmap & HARQ_PDU_BITMASK)
913 pduInfo->harqInfo.numHarq++;
914 pduInfo->harqInfo.harqConfidenceLevel = CONFDC_LEVEL_GOOD;
915 for(idx = 0; idx < pduInfo->harqInfo.numHarq; idx++)
917 pduInfo->harqInfo.harqValue[idx] = HARQ_PASS;
922 /*******************************************************************
924 * @brief Fills UCI Pdu Information
928 * Function : fillUciPduInfo
931 * Fills UCI Pdu Information
933 * @params[in] Pointer to uciPdu
935 * @return ROK - success
938 * ****************************************************************/
939 uint8_t fillUciPduInfo(fapi_uci_pdu_info_t *uciPdu, fapi_ul_pucch_pdu_t pucchPdu)
943 /*TODO: The pduType is hardcoded here to support
944 UCI Ind for PUCCH forat0/format1. This is to be
945 modified when we get SR form UE */
946 uciPdu->pduType = UCI_IND_PUCCH_F0F1;
947 switch(uciPdu->pduType)
951 case UCI_IND_PUCCH_F0F1:
953 fapi_uci_o_pucch_f0f1_t *pduInfo = NULLP;
955 pduInfo = &uciPdu->uci.uciPucchF0F1;
956 ret = fillPucchF0F1PduInfo(pduInfo, pucchPdu);
957 uciPdu->pduSize = sizeof(fapi_uci_o_pucch_f0f1_t);
960 case UCI_IND_PUCCH_F2F3F4:
963 DU_LOG("\nERROR --> PHY_STUB: Invalid Pdu Type %d", uciPdu->pduType);
969 /*******************************************************************
971 * @brief Build and send Uci indication
975 * Function : l1BuildAndSendUciInd
978 * Build and send Uci indication
982 * @return ROK - success
985 * ****************************************************************/
986 uint8_t l1BuildAndSendUciInd(uint16_t slot, uint16_t sfn, fapi_ul_pucch_pdu_t pucchPdu)
989 uint8_t nUciPdus = 0;
992 fapi_uci_indication_t *uciInd = NULLP;
994 MAC_ALLOC(uciInd, sizeof(fapi_uci_indication_t));
997 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for UCI Indication");
1000 memset(uciInd, 0, sizeof(fapi_uci_indication_t));
1002 uciInd->slot = slot;
1003 uciInd->numUcis = 1; //consdering the UCI Ind for SR
1004 nUciPdus = uciInd->numUcis;
1007 ret = fillUciPduInfo(&uciInd->uciPdu[uciIdx], pucchPdu);
1013 msgLen = sizeof(fapi_uci_indication_t)- sizeof(fapi_msg_t);
1014 fillMsgHeader(&uciInd->header, FAPI_UCI_INDICATION, msgLen);
1016 /* Sending UCI indication to MAC */
1017 DU_LOG("\nINFO --> PHY STUB: Sending UCI Indication to MAC");
1018 procPhyMessages(uciInd->header.msg_id, sizeof(fapi_uci_indication_t), (void *)uciInd);
1020 MAC_FREE(uciInd, sizeof(fapi_uci_indication_t));
1025 /*******************************************************************
1027 * @brief Handles Ul Tti request received from MAC
1031 * Function : l1HdlUlTtiReq
1034 * -Handles Ul Tti request received from MAC
1036 * @params[in] Message length
1037 * Ul Tti request message pointer
1041 * ****************************************************************/
1043 S16 l1HdlUlTtiReq(uint16_t msgLen, void *msg)
1046 p_fapi_api_queue_elem_t ulTtiElem = (p_fapi_api_queue_elem_t)msg;
1047 fapi_ul_tti_req_t *ulTtiReq = (fapi_ul_tti_req_t *)(ulTtiElem +1);
1048 uint8_t numPdus = ulTtiReq->nPdus;
1050 #ifdef ODU_SLOT_IND_DEBUG_LOG
1053 DU_LOG("\nINFO --> PHY STUB: No PDU received in UL TTI Req");
1057 DU_LOG("\nINFO --> PHY STUB: Received UL TTI Request");
1063 if(ulTtiReq->pdus[numPdus-1].pduType == 0)
1065 DU_LOG("\nINFO --> PHY STUB: PRACH PDU");
1067 if(ulTtiReq->pdus[numPdus-1].pduType == 1)
1069 DU_LOG("\nINFO --> PHY STUB: PUSCH PDU");
1070 l1BuildAndSendRxDataInd(ulTtiReq->slot, ulTtiReq->sfn, ulTtiReq->pdus[numPdus-1].pdu.pusch_pdu);
1072 if(ulTtiReq->pdus[numPdus-1].pduType == 2)
1074 DU_LOG("\nINFO --> PHY STUB: PUCCH PDU");
1076 fapi_ul_tti_req_t ulTtiSlotInd;
1077 memset(&ulTtiSlotInd, 0, sizeof(fapi_ul_tti_req_t));
1078 ulTtiSlotInd.slot = ulTtiReq->slot;
1079 ulTtiSlotInd.sfn = ulTtiReq->sfn;
1080 ADD_DELTA_TO_TIME(ulTtiSlotInd, ulTtiSlotInd, SLOT_DELAY);
1081 l1BuildAndSendUciInd(ulTtiSlotInd.slot, ulTtiSlotInd.sfn, ulTtiReq->pdus[numPdus-1].pdu.pucch_pdu);
1086 /* TODO: [SFN:SLOT] at which RACH Indication is sent should be calculated
1087 * based on PRACH cfg index */
1088 /* Send RACH Ind to L2 for first UE */
1089 if(phyDb.ueDb.ueCb[UE_IDX_0].rachIndSent == false && ulTtiReq->sfn == 16 && ulTtiReq->slot == 6)
1091 phyDb.ueDb.ueCb[UE_IDX_0].isCFRA = false;
1092 phyDb.ueDb.ueCb[UE_IDX_0].rachIndSent = true;
1093 l1BuildAndSendRachInd(ulTtiReq->slot, ulTtiReq->sfn, CB_RA_PREAMBLE_IDX);
1094 phyDb.ueDb.numActvUe++;
1097 /* Send RACH Ind to L2 for second UE */
1098 if(phyDb.ueDb.ueCb[UE_IDX_1].rachIndSent == false && ulTtiReq->sfn == 304 && ulTtiReq->slot == 0)
1100 phyDb.ueDb.ueCb[UE_IDX_0].isCFRA = false;
1101 phyDb.ueDb.ueCb[UE_IDX_1].rachIndSent = true;
1102 l1BuildAndSendRachInd(ulTtiReq->slot, ulTtiReq->sfn, CB_RA_PREAMBLE_IDX);
1103 phyDb.ueDb.numActvUe++;
1106 /* Send RACH Ind to L2 for third UE */
1107 if(phyDb.ueDb.ueCb[UE_IDX_2].rachIndSent == false && ulTtiReq->sfn == 526 && ulTtiReq->slot == 0)
1109 phyDb.ueDb.ueCb[UE_IDX_0].isCFRA = false;
1110 phyDb.ueDb.ueCb[UE_IDX_2].rachIndSent = true;
1111 l1BuildAndSendRachInd(ulTtiReq->slot, ulTtiReq->sfn, CB_RA_PREAMBLE_IDX);
1112 phyDb.ueDb.numActvUe++;
1115 MAC_FREE(msg, msgLen);
1120 /*******************************************************************
1122 * @brief Builds and Send the stop Indication message to MAC
1126 * Function : l1BuildAndSendStopInd
1129 * -Send the Stop indication Message to MAC
1134 * ****************************************************************/
1135 uint16_t l1BuildAndSendStopInd()
1139 Buffer *mBuf = NULLP;
1140 fapi_stop_ind_t *stopIndMsg = NULLP;
1141 uint32_t msgLen = 0;
1143 MAC_ALLOC_SHRABL_BUF(stopIndMsg, sizeof(fapi_stop_ind_t));
1146 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for stop Indication Message");
1151 fillMsgHeader(&stopIndMsg->header, FAPI_STOP_INDICATION, msgLen);
1152 DU_LOG("\n\nINFO --> PHY_STUB: Processing Stop indication to MAC");
1154 memset(&pst, 0, sizeof(Pst));
1155 FILL_PST_PHY_STUB_TO_LWR_MAC(pst, EVT_PHY_STUB_STOP_IND);
1156 ODU_GET_MSG_BUF(pst.region, pst.pool, &mBuf);
1159 DU_LOG("\nERROR --> PHY_STUB: Failed to allocate memory for slot indication buffer");
1160 MAC_FREE_SHRABL_BUF(pst.region, pst.pool, stopIndMsg, sizeof(fapi_stop_ind_t));
1163 CMCHKPK(oduPackPointer, (PTR)stopIndMsg, mBuf);
1164 ODU_POST_TASK(&pst, mBuf);
1170 /*******************************************************************
1172 * @brief Handles stop request received from MAC
1176 * Function : l1HdlStopReq
1179 * -Handles stop request received from MAC
1181 * @params[in] Message length
1182 * stop request message pointer
1186 * ****************************************************************/
1188 S16 l1HdlStopReq(uint32_t msgLen, void *msg)
1191 if(lwrMacCb.phyState == PHY_STATE_RUNNING)
1193 l1HdlSlotIndicaion(TRUE);
1195 /* Initialize all global variables */
1198 memset(&phyDb.ueDb, 0, sizeof(UeDb));
1200 DU_LOG("\nINFO --> PHY_STUB: Slot Indication is stopped successfully");
1201 MAC_FREE(msg, msgLen);
1205 DU_LOG("\nINFO --> PHY_STUB: Received Stop Req in PHY State %d", lwrMacCb.phyState);
1206 MAC_FREE(msg, msgLen);
1214 /*******************************************************************
1216 * @brief Build And Send Rx Data Ind for Msg5
1220 * Function : l1BuildAndSendMsg5
1222 * Functionality: Build And Send Rx Data Ind for Msg5
1226 * @return ROK - success
1229 * ****************************************************************/
1230 uint8_t l1BuildAndSendMsg5(uint16_t sfn, uint16_t slot)
1234 fapi_rx_data_indication_t *rxDataInd;
1235 fapi_pdu_ind_info_t *pduInfo;
1237 uint16_t byteIdx = 0;
1238 uint32_t msgLen = 0;
1240 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
1243 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Indication for msg5");
1246 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
1248 /* TODO: Fill the required values */
1249 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
1250 rxDataInd->sfn = sfn;
1251 rxDataInd->slot = slot;
1252 rxDataInd->numPdus = 1;
1254 pduInfo = &rxDataInd->pdus[idx];
1255 pduInfo->handle = 100;
1256 pduInfo->rnti = 100;
1257 pduInfo->harqId = 1;
1258 pduInfo->pdu_length = 25;
1259 pduInfo->ul_cqi = 0;
1260 pduInfo->timingAdvance = 0;
1263 /* Filling pdu with random values for testing */
1264 pduInfo->pduData = NULL;
1265 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
1266 if(!pduInfo->pduData)
1268 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Pdu");
1273 pdu = (uint8_t *)pduInfo->pduData;
1275 uint8_t msg5PduLen = 33;
1276 /* For RRC setup complete
1277 MAC subheader format is R/F/LCId/L (2/3 bytes)
1279 L is length of PDU i.e 6bytes here
1280 From 38.321 section 6.1.1
1282 uint8_t msg5[] = {1, msg5PduLen, 0, 0, 16, 0, 5, 223, 128, 16, 94, \
1283 64, 3, 64, 89, 61, 138, 64, 0, 0, 0, 4, 0, 0, 4, 68, 11, 128, \
1284 184, 56, 0, 0, 0, 0, 0};
1286 msg5PduLen += 2; /* 2bytes of header */
1287 memcpy(pdu, &msg5, msg5PduLen);
1288 byteIdx += msg5PduLen; /* 2 bytes of header */
1290 /* Filling MAC SDU for Padding bytes*/
1291 if(byteIdx < pduInfo->pdu_length)
1294 MAC subheader format is R/R/LCId (1byte)
1295 LCId is 63 for padding
1296 From 38.321 section 6.1.1
1298 pdu[byteIdx++] = 63;
1300 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
1303 msgLen += pduInfo->pdu_length;
1305 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
1307 /* Sending Rx data indication to MAC */
1308 DU_LOG("\nINFO --> PHY STUB: Sending Rx data Indication to MAC");
1309 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
1311 if(pduInfo->pdu_length)
1312 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1313 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1319 /*******************************************************************
1321 * @brief Handles Ul Dci request received from MAC
1325 * Function : l1HdlUlDciReq
1328 * -Handles Ul Dci request received from MAC
1330 * @params[in] Message length
1331 * Ul Dci request message pointer
1335 * ****************************************************************/
1337 S16 l1HdlUlDciReq(uint16_t msgLen, void *msg)
1340 p_fapi_api_queue_elem_t ulDciElem = (p_fapi_api_queue_elem_t)msg;
1341 fapi_ul_dci_req_t *ulDciReq = (fapi_ul_dci_req_t *)(ulDciElem +1);
1342 uint8_t numPdus = ulDciReq->numPdus;
1346 if(ulDciReq->pdus[numPdus-1].pduType == 0)
1348 DU_LOG("\nINFO --> PHY STUB: Received UL DCI Request for PDCCH PDU");
1349 //l1BuildAndSendMsg5(ulDciReq->sfn, ulDciReq->slot);
1355 MAC_FREE(msg, msgLen);
1360 /*******************************************************************
1362 * @brief Send UL user data to DU
1366 * Function : l1SendUlUserData
1368 * Functionality: Send UL user data to DU
1371 * @return ROK - success
1374 * ****************************************************************/
1375 uint8_t l1SendUlUserData(uint8_t drbId, uint8_t ueIdx)
1378 fapi_rx_data_indication_t *rxDataInd;
1379 fapi_pdu_ind_info_t *pduInfo;
1380 uint8_t *pdu = NULLP;
1381 uint16_t byteIdx = 0;
1382 uint32_t msgLen = 0;
1386 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
1389 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Indication");
1392 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
1394 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
1396 rxDataInd->slot = 0;
1397 rxDataInd->numPdus = 1;
1399 /* TODO : Fill pduInfo using PUSCH PDU. Currently hardcoding */
1400 pduInfo = &rxDataInd->pdus[idx];
1401 pduInfo->handle = ueIdx + ODU_START_CRNTI;
1402 pduInfo->rnti = ueIdx + ODU_START_CRNTI;
1403 pduInfo->harqId = 1;
1404 /* Since user data size = 50bytes and 2 bytes of MAC header and 3 byte of RLC header,
1405 * setting tbsize = 56 from Table 5.1.3.2-1 spec 38.214 */
1406 pduInfo->pdu_length = 56;
1407 pduInfo->ul_cqi = 0;
1408 pduInfo->timingAdvance = 0;
1411 /* Filling pdu with random values for testing */
1412 pduInfo->pduData = NULL;
1413 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
1414 if(!pduInfo->pduData)
1416 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Pdu");
1421 pdu = (uint8_t *)pduInfo->pduData;
1425 MAC subheader format is R/F/LCId/L (2/3 bytes)
1427 L is length of PDU i.e 50 bytes
1428 From 38.321 section 6.1.1
1429 From 38.322 section 6.2.2.4, 6.2.2.3 for AM, UM Header
1432 /* Below ulMsg supports 12bit SN for UM mode */
1434 lcId = MIN_DRB_LCID + drbId;
1435 uint8_t ulMsg[] = {lcId, msgLen, 0, 0, 0, 0, 0, 50, 0, 0, 0, 0, 0, 1, 0, 0, 192, 168, 130, 81, 192, 168, 130, 82, 84, 104,
1436 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};
1437 msgLen += 2; /* 2bytes of header */
1438 memcpy(pdu, &ulMsg, msgLen);
1439 byteIdx += msgLen; /* 2 bytes of header */
1441 /* Filling MAC SDU for Padding bytes*/
1442 if(byteIdx < pduInfo->pdu_length)
1445 MAC subheader format is R/R/LCId (1byte)
1446 LCId is 63 for padding
1447 From 38.321 section 6.1.1
1449 pdu[byteIdx++] = 63;
1451 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
1454 msgLen += pduInfo->pdu_length;
1456 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
1458 /* Send Message to peer */
1459 while(cnt < NUM_UL_PACKETS)
1461 DU_LOG("\nDEBUG --> PHY STUB : Sending UL User Data[%d][LCID:%d] at sfn %d slot %d", cnt+1, lcId, sfnValue, slotValue);
1462 /* Sending Rx data indication to MAC */
1463 rxDataInd->sfn = sfnValue;
1464 rxDataInd->slot = slotValue;
1465 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
1469 if(pduInfo->pdu_length)
1470 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1471 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1475 /*******************************************************************
1477 * @brief Sends RLC Status PDU to DU
1481 * Function : l1SendStatusPdu
1483 * Functionality: Send RLC Status PDU to DU
1486 * @return ROK - success
1489 * ****************************************************************/
1490 uint8_t l1SendStatusPdu()
1492 fapi_rx_data_indication_t *rxDataInd;
1493 fapi_pdu_ind_info_t *pduInfo;
1494 uint8_t *pdu = NULLP;
1495 uint16_t byteIdx = 0;
1496 uint32_t msgLen = 0;
1499 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
1502 printf("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Indication");
1505 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
1507 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
1509 rxDataInd->slot = 0;
1510 rxDataInd->numPdus = 1;
1512 /* TODO : Fill pduInfo using PUSCH PDU. Currently hardcoding */
1513 pduInfo = &rxDataInd->pdus[idx];
1514 pduInfo->handle = 100;
1515 pduInfo->rnti = 100;
1516 pduInfo->harqId = 1;
1517 /* Since status pdu size = 3bytes and 2 bytes of MAC header,
1518 * setting tbsize = 24 from Table 5.1.3.2-1 spec 38.214 */
1519 pduInfo->pdu_length = 24;
1520 pduInfo->ul_cqi = 0;
1521 pduInfo->timingAdvance = 0;
1524 /* Filling pdu with random values for testing */
1525 pduInfo->pduData = NULL;
1526 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
1527 if(!pduInfo->pduData)
1529 printf("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Pdu");
1534 pdu = (uint8_t *)pduInfo->pduData;
1537 /* For RLC Status PDU
1538 * MAC subheader format is R/F/LCId/L (2/3 bytes)
1539 * LCId is 4 for DRB1
1540 * L is length of Status PDU i.e 3 bytes
1541 * From 38.321 section 6.1.1
1543 * RLC Status PDU format :
1544 * ---------------------------------
1545 * |D/C|CPT| ACK_SN |
1546 * ---------------------------------
1548 * ---------------------------------
1549 * |E1 | R | R | R | R | R | R | R |
1550 * ---------------------------------
1552 * Here, D/C bit = 0 for Control PDU
1553 * CPT bit = 0 since control pdu type is Status PDU
1554 * ACK_SN = 0 as of now, this can be changed based on the
1555 * scenario being tested
1556 * E1 = 0 because no NACK_SN, E1, E2 and E3 follows it
1557 * R = 0 i.e. reserved bits
1558 * From Spec 38.322 section 6.2.2.5
1560 uint8_t statusPdu[] = {4, msgLen, 0, 0, 0};
1561 msgLen += 2; /* 2bytes of header */
1562 memcpy(pdu, &statusPdu, msgLen);
1563 byteIdx += msgLen; /* 2 bytes of header */
1566 /* Filling MAC SDU for Padding bytes*/
1567 if(byteIdx < pduInfo->pdu_length)
1570 MAC subheader format is R/R/LCId (1byte)
1571 LCId is 63 for padding
1572 From 38.321 section 6.1.1
1574 pdu[byteIdx++] = 63;
1576 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
1579 msgLen += pduInfo->pdu_length;
1581 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
1583 /* Send Message to peer */
1584 DU_LOG("\nDEBUG --> PHY STUB : Sending RLC status pdu at sfn %d slot %d", sfnValue, slotValue);
1585 /* Sending Rx data indication to MAC */
1586 rxDataInd->sfn = sfnValue;
1587 rxDataInd->slot = slotValue;
1588 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
1590 if(pduInfo->pdu_length)
1591 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1592 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1596 /*******************************************************************
1598 * @brief Receives message from MAC
1602 * Function : l1ProcessFapiRequest
1605 * - Receives message from MAC and calls handler
1607 * @params[in] Message type
1613 * ****************************************************************/
1615 void l1ProcessFapiRequest(uint8_t msgType, uint32_t msgLen, void *msg)
1620 case FAPI_PARAM_REQUEST:
1621 l1HdlParamReq(msgLen, msg);
1623 case FAPI_CONFIG_REQUEST:
1624 l1HdlConfigReq(msgLen, msg);
1626 case FAPI_START_REQUEST:
1627 l1HdlStartReq(msgLen, msg);
1629 case FAPI_DL_TTI_REQUEST:
1630 l1HdlDlTtiReq(msgLen, msg);
1632 case FAPI_TX_DATA_REQUEST:
1633 l1HdlTxDataReq(msgLen, msg);
1635 case FAPI_UL_TTI_REQUEST:
1636 l1HdlUlTtiReq(msgLen, msg);
1638 case FAPI_STOP_REQUEST:
1639 l1HdlStopReq(msgLen, msg);
1641 case FAPI_UL_DCI_REQUEST:
1642 l1HdlUlDciReq(msgLen, msg);
1645 DU_LOG("\nERROR --> PHY_STUB: Invalid message type[%x] received at PHY", msgType);
1652 /*******************************************************************
1654 * @brief Builds and Send the BSR message to MAC
1658 * Function : l1BuildAndSendBSR
1661 * -Send the BSR Message to MAC
1663 * @params[in] BSR type
1664 * array of LCGID and BSIdx
1667 *****************************************************************/
1668 uint16_t l1BuildAndSendBSR(uint8_t ueIdx, BsrType bsrType,\
1669 LcgBufferSize lcgBsIdx[MAX_NUM_LOGICAL_CHANNEL_GROUPS])
1671 fapi_rx_data_indication_t *rxDataInd;
1672 fapi_pdu_ind_info_t *pduInfo;
1673 uint8_t *pdu = NULLP;
1674 uint16_t byteIdx = 0;
1675 uint32_t msgLen = 0;
1676 uint8_t pduIdx = 0, lcgIdx = 0, lcgIdxPos = 0;
1678 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
1681 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Indication");
1684 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
1686 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
1688 rxDataInd->slot = 0;
1689 rxDataInd->numPdus = 1;
1691 pduInfo = &rxDataInd->pdus[pduIdx];
1692 pduInfo->handle = (ODU_START_CRNTI + ueIdx);
1693 pduInfo->rnti = (ODU_START_CRNTI + ueIdx);
1694 pduInfo->harqId = 1;
1696 /* Since status pdu size = 3bytes and 2 bytes of MAC header,
1697 * setting tbsize = 24 from Table 5.1.3.2-1 spec 38.214 */
1698 pduInfo->pdu_length = 24;
1699 pduInfo->ul_cqi = 0;
1700 pduInfo->timingAdvance = 0;
1703 /* Filling pdu with random values for testing */
1704 pduInfo->pduData = NULL;
1705 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
1706 if(!pduInfo->pduData)
1708 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Pdu");
1709 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1714 pdu = (uint8_t *)pduInfo->pduData;
1720 DU_LOG("\nDEBUG --> PHY_STUB: Forming SHORT BSR PDU ");
1723 * MAC subheader format is R/R/LcId (1Byte)
1725 * From 38.321 section 6.1.1
1727 pdu[byteIdx++] = 61; // LCID
1728 pdu[byteIdx++] = (lcgBsIdx[0].lcgId << 5) | lcgBsIdx[0].bsIdx;
1734 DU_LOG("\nDEBUG --> PHY_STUB: Forming LONG BSR PDU ");
1737 * MAC subheader format is R/R/LcId (1Byte)
1739 * From 38.321 section 6.1.1
1741 pdu[byteIdx++] = 62; // LCID
1743 /*Octet where lcgId bitmap will be present*/
1744 lcgIdxPos = byteIdx;
1746 for(lcgIdx = 0; lcgIdx < MAX_NUM_LOGICAL_CHANNEL_GROUPS; lcgIdx++)
1748 if(lcgBsIdx[lcgIdx].bsIdx > 0)
1750 pdu[lcgIdxPos] |= 1 << lcgBsIdx[lcgIdx].lcgId;
1751 pdu[byteIdx++] = lcgBsIdx[lcgIdx].bsIdx;
1760 DU_LOG("\nERROR --> PHY_STUB: Incorrect BSR type:%d!", bsrType);
1761 if(pduInfo->pdu_length)
1762 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1763 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1767 /* Filling MAC SDU for Padding bytes*/
1768 if(byteIdx < pduInfo->pdu_length)
1771 * MAC subheader format is R/R/LCId (1byte)
1772 * LCId is 63 for padding
1773 * From 38.321 section 6.1.1
1775 pdu[byteIdx++] = 63;
1777 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
1780 msgLen += pduInfo->pdu_length;
1781 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
1783 /* Sending Rx data indication to MAC */
1784 DU_LOG("\nINFO --> PHY STUB: Sending Rx data Indication to MAC");
1785 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
1787 if(pduInfo->pdu_length)
1788 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1789 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1794 /**********************************************************************
1796 **********************************************************************/