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(&ueDb, 0, sizeof(UeDb));
251 p_fapi_api_queue_elem_t configReqElem = (p_fapi_api_queue_elem_t)msg;
252 fapi_config_req_t *configReq = (fapi_config_req_t *)(configReqElem +1);
254 DU_LOG("\nINFO --> PHY_STUB: Received Config Request in PHY");
256 /* Handling CONFIG RESPONSE */
257 if(l1BldAndSndConfigRsp(configReq)!= ROK)
259 DU_LOG("\nERROR --> PHY_STUB: Failed Sending config Response");
262 MAC_FREE(msg, msgLen);
267 /*******************************************************************
269 * @brief Build and Send CRC Indication
273 * Function : l1BuildAndSendCrcInd
276 * Build and Send CRC Indication
280 * @return ROK - success
283 * ****************************************************************/
284 uint16_t l1BuildAndSendCrcInd(uint16_t slot, uint16_t sfn)
288 fapi_crc_ind_t *crcInd;
290 MAC_ALLOC(crcInd, sizeof(fapi_crc_ind_t));
293 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for CRC Indication Message");
296 memset(crcInd, 0, sizeof(fapi_crc_ind_t));
298 /* TODO: Fill the required values. As of now only 1 CRC status PASS is filled */
303 crcInd->crc[idx].handle = 0;
304 crcInd->crc[idx].rnti = 0;
305 crcInd->crc[idx].harqId = 0;
306 crcInd->crc[idx].tbCrcStatus = 0;
307 crcInd->crc[idx].numCb = 1;
308 crcInd->crc[idx].cbCrcStatus[0] = 0;
309 crcInd->crc[idx].ul_cqi = 0;
310 crcInd->crc[idx].timingAdvance = 0;
311 crcInd->crc[idx].rssi = 0;
313 fillMsgHeader(&crcInd->header, FAPI_CRC_INDICATION, \
314 sizeof(fapi_crc_ind_t) - sizeof(fapi_msg_t));
316 /* Sending RACH indication to MAC */
317 DU_LOG("\nINFO --> PHY STUB: Sending CRC Indication to MAC");
318 procPhyMessages(crcInd->header.msg_id, sizeof(fapi_crc_ind_t), (void *)crcInd);
319 MAC_FREE(crcInd, sizeof(fapi_crc_ind_t));
322 } /* l1BuildAndSendCrcInd */
325 /*******************************************************************
327 * @brief Build and send Rx data indication
331 * Function : l1BuildAndSendRxDataInd
334 * Build and send Rx data indication
338 * @return ROK - success
341 * ****************************************************************/
342 uint16_t l1BuildAndSendRxDataInd(uint16_t slot, uint16_t sfn, fapi_ul_pusch_pdu_t puschPdu)
344 uint8_t idx = 0, ueId = 0;
345 fapi_rx_data_indication_t *rxDataInd =NULLP;
346 fapi_pdu_ind_info_t *pduInfo =NULLP;
347 uint8_t *pdu = NULLP;
348 uint16_t byteIdx = 0;
352 GET_UE_ID(puschPdu.rnti, ueId);
353 if(!ueDb.ueCb[ueId-1].msg3Sent)
355 ueDb.ueCb[ueId-1].ueId = ueId;
356 ueDb.ueCb[ueId-1].crnti = puschPdu.rnti;
357 ueDb.ueCb[ueId-1].msg3Sent = true;
358 type = MSG_TYPE_MSG3;
361 else if(!ueDb.ueCb[ueId-1].msg5ShortBsrSent)
363 ueDb.ueCb[ueId-1].msg5ShortBsrSent = true;
364 type = MSG_TYPE_SHORT_BSR;
366 else if(!ueDb.ueCb[ueId-1].msg5Sent)
368 ueDb.ueCb[ueId-1].msg5Sent = true;
369 type = MSG_TYPE_MSG5;
371 else if(!ueDb.ueCb[ueId-1].msgRegistrationComp)
373 ueDb.ueCb[ueId-1].msgRegistrationComp = true;
374 type = MSG_TYPE_REGISTRATION_COMPLETE;
376 else if(!ueDb.ueCb[ueId-1].msgSecurityModeComp)
378 ueDb.ueCb[ueId-1].msgSecurityModeComp = true;
379 type = MSG_TYPE_SECURITY_MODE_COMPLETE;
381 else if(!ueDb.ueCb[ueId-1].msgRrcReconfiguration)
383 ueDb.ueCb[ueId-1].msgRrcReconfiguration = true;
384 type = MSG_TYPE_RRC_RECONFIG_COMPLETE;
389 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
392 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Indication");
395 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
397 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
398 rxDataInd->sfn = sfn;
399 rxDataInd->slot = slot;
400 rxDataInd->numPdus = 1;
402 pduInfo = &rxDataInd->pdus[idx];
403 pduInfo->handle = puschPdu.handle;
404 pduInfo->rnti = puschPdu.rnti;
405 pduInfo->harqId = puschPdu.puschData.harqProcessId;
406 pduInfo->pdu_length = puschPdu.puschData.tbSize ;
408 pduInfo->timingAdvance = 0;
411 /* Filling pdu with random values for testing */
412 pduInfo->pduData = NULL;
413 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
414 if(!pduInfo->pduData)
416 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Pdu");
419 memset(pduInfo->pduData, 0, pduInfo->pdu_length);
421 pdu = (uint8_t *)pduInfo->pduData;
427 DU_LOG("\nDEBUG --> PHY_STUB: Forming MSG3 PDU ");
428 /* For Initial RRC setup Request,
429 MAC subheader format is R/R/LCId (1byte)
431 From 38.321 section 6.1.1
434 /* Hardcoding MAC PDU */
440 pdu[byteIdx++] = 103;
444 case MSG_TYPE_SHORT_BSR:
446 DU_LOG("\nDEBUG --> PHY_STUB: Forming SHORT BSR PDU ");
448 uint8_t bufferSizeIdx = 6;
451 MAC subheader format is R/R/LcId (1Byte)
453 From 38.321 section 6.1.1
455 pdu[byteIdx++] = 61; // LCID
456 pdu[byteIdx++] = (lcgId << 5) | bufferSizeIdx;
463 /* For RRC setup complete
465 * MAC subheader format is R/F/LCId/L (2/3 bytes)
467 * L is length of PDU i.e 6bytes here
468 * From 38.321 section 6.1.1
470 * RLC subheader for AM PDU is D/C/P/SI/SN (2 bytes for 12-bit SN)
471 * From 38.322, section 6.2.2.4
473 DU_LOG("\nDEBUG --> PHY_STUB: Forming MSG5 PDU");
474 uint8_t msg5PduLen = 33; /* Length of MSG5 */
475 msg5PduLen += 2; /* RLC subheader */
476 uint8_t msg5[] = {1, msg5PduLen, 128, ueDb.ueCb[ueId-1].rlcSnForSrb1++, 0, ueDb.ueCb[ueId-1].pdcpSn++, 16, 0, \
477 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};
479 msg5PduLen += 2; /* 2 bytes of MAC header */
480 memcpy(pdu, &msg5, msg5PduLen);
481 byteIdx += msg5PduLen; /* 4 bytes of header : MAC+RLC */
485 case MSG_TYPE_SECURITY_MODE_COMPLETE:
487 /* For security mode complete where RRC Container is dummy
489 * MAC subheader format is R/F/LCId/L (2/3 bytes)
491 * L is length of PDU i.e 6bytes here
492 * From 38.321 section 6.1.1
494 * RLC subheader for AM PDU is D/C/P/SI/SN (2 bytes for 12-bit SN)
495 * From 38.322, section 6.2.2.4
497 DU_LOG("\nDEBUG --> PHY_STUB: Forming SECURITY MODE COMPLETE PDU");
498 uint8_t pduLen = 12; /* Length of PDU */
499 pduLen += 2; /* RLC subheader */
500 uint8_t msg[] = {1, pduLen, 128, ueDb.ueCb[ueId-1].rlcSnForSrb1++, 0, ueDb.ueCb[ueId-1].pdcpSn++, 0x2a, 0x40, \
501 0, 0, 0, 0, 0, 0, 0, 0};
503 pduLen += 2; /* 2 bytes of MAC header */
504 memcpy(pdu, &msg, pduLen);
505 byteIdx += pduLen; /* 4 bytes of header : MAC+RLC */
509 case MSG_TYPE_REGISTRATION_COMPLETE:
511 /* For rrc reconfig complete where RRC Container is dummy
513 * MAC subheader format is R/F/LCId/L (2/3 bytes)
515 * L is length of PDU i.e 6bytes here
516 * From 38.321 section 6.1.1
518 * RLC subheader for AM PDU is D/C/P/SI/SN (2 bytes for 12-bit SN)
519 * From 38.322, section 6.2.2.4
521 DU_LOG("\nDEBUG --> PHY_STUB: Forming RRC REGISTRATION COMPLETE PDU");
522 uint8_t pduLen = 12; /* Length of PDU */
523 pduLen += 2; /* RLC subheader */
524 uint8_t msg[] = {1, pduLen, 128, ueDb.ueCb[ueId-1].rlcSnForSrb1++, 0, ueDb.ueCb[ueId-1].pdcpSn++, 0x3a, 0x81, \
525 0xbf, 0, 0x21, 0x80, 0, 0, 0, 0};
527 pduLen += 2; /* 2 bytes of MAC header */
528 memcpy(pdu, &msg, pduLen);
529 byteIdx += pduLen; /* 4 bytes of header : MAC+RLC */
533 case MSG_TYPE_RRC_RECONFIG_COMPLETE:
535 /* For rrc reconfig complete where RRC Container is dummy
537 * MAC subheader format is R/F/LCId/L (2/3 bytes)
539 * L is length of PDU i.e 6bytes here
540 * From 38.321 section 6.1.1
542 * RLC subheader for AM PDU is D/C/P/SI/SN (2 bytes for 12-bit SN)
543 * From 38.322, section 6.2.2.4
545 DU_LOG("\nDEBUG --> PHY_STUB: Forming RRC RECONFIGURATION COMPLETE PDU");
546 uint8_t pduLen = 13; /* PDU length */
547 pduLen += 2; /* RLC sub header */
548 uint8_t msg[] = {1, pduLen, 128, ueDb.ueCb[ueId-1].rlcSnForSrb1++, 0, ueDb.ueCb[ueId-1].pdcpSn++, 8, 64, 0, 0,\
549 0, 0, 0, 0, 0, 0, 0};
551 pduLen += 2; /* 2bytes of MAC header */
552 memcpy(pdu, &msg, pduLen);
553 byteIdx += pduLen; /* 4 bytes of header : MAC+RLC*/
560 } /* End of switch(type) */
562 /* Filling MAC SDU for Padding bytes*/
563 if(byteIdx < pduInfo->pdu_length)
566 MAC subheader format is R/R/LCId (1byte)
567 LCId is 63 for padding
568 From 38.321 section 6.1.1
572 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
575 msgLen += pduInfo->pdu_length;
577 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
579 /* Sending Rx data indication to MAC */
580 DU_LOG("\nINFO --> PHY STUB: Sending Rx data Indication to MAC");
581 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
583 if(pduInfo->pdu_length)
584 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
585 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
590 /*******************************************************************
592 * @brief Builds and Sends RACH indication to MAC
596 * Function : l1BuildAndSendRachInd
599 * Builds and Sends RACH indication to MAC
601 * @params[in] SFN value
603 * @return ROK - success
606 * ****************************************************************/
607 uint16_t l1BuildAndSendRachInd(uint16_t slot, uint16_t sfn)
610 uint8_t rachPduIdx = 0;
611 uint8_t preamIdx = 0;
612 fapi_rach_pdu_t *rachPdu;
613 fapi_rach_indication_t *rachInd;
615 /* Building RACH indication */
616 MAC_ALLOC(rachInd, sizeof(fapi_rach_indication_t));
619 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rach Indication Message");
622 memset(rachInd, 0, sizeof(fapi_rach_indication_t));
624 rachInd->slot = slot;
625 rachInd->numPdus = 1;
627 rachPdu = &rachInd->rachPdu[rachPduIdx];
628 rachPdu->phyCellId = NR_PCI;
629 rachPdu->symbolIndex = 0;
630 rachPdu->slotIndex = slot;
631 rachPdu->freqIndex = 0;
632 rachPdu->avgRssi = 0;
634 rachPdu->numPreamble = 1;
636 rachPdu->preambleInfo[preamIdx].preambleIndex = 3;
637 rachPdu->preambleInfo[preamIdx].timingAdvance = 0;
638 rachPdu->preambleInfo[preamIdx].preamblePwr = 0;
640 fillMsgHeader(&rachInd->header, FAPI_RACH_INDICATION, \
641 sizeof(fapi_rach_indication_t) - sizeof(fapi_msg_t));
643 /* Sending RACH indication to MAC */
644 DU_LOG("\nINFO --> PHY STUB: Sending RACH Indication to MAC");
645 procPhyMessages(rachInd->header.msg_id, sizeof(fapi_rach_indication_t), (void *)rachInd);
646 MAC_FREE(rachInd, sizeof(fapi_rach_indication_t));
651 /*******************************************************************
653 * @brief Builds and Send the Slot Indication message to MAC
657 * Function : l1BuildAndSendSlotIndication
660 * -Send the Slot indication Message to MAC
662 * @params[in] Message length
663 * config request message pointer
667 * ****************************************************************/
668 uint16_t l1BuildAndSendSlotIndication()
674 fapi_slot_ind_t *slotIndMsg;
676 MAC_ALLOC_SHRABL_BUF(slotIndMsg, sizeof(fapi_slot_ind_t));
679 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for slot Indication Message");
684 memset(slotIndMsg, 0, sizeof(fapi_slot_ind_t));
685 slotIndMsg->sfn = sfnValue;
686 slotIndMsg->slot = slotValue;
688 #ifdef ODU_SLOT_IND_DEBUG_LOG
689 DU_LOG("\n\nDEBUG --> PHY_STUB: Sending Slot Indication [%d : %d] to MAC", sfnValue, slotValue);
692 /* increment for the next TTI */
694 if(sfnValue >= MAX_SFN_VALUE && slotValue > MAX_SLOT_VALUE)
699 else if(slotValue > MAX_SLOT_VALUE)
704 fillMsgHeader(&slotIndMsg->header, FAPI_SLOT_INDICATION, \
705 sizeof(fapi_slot_ind_t) - sizeof(fapi_msg_t));
707 memset(&pst, 0, sizeof(Pst));
708 FILL_PST_PHY_STUB_TO_LWR_MAC(pst, EVT_PHY_STUB_SLOT_IND);
710 ODU_GET_MSG_BUF(pst.region, pst.pool, &mBuf);
713 DU_LOG("\nERROR --> PHY_STUB: Failed to allocate memory for slot indication buffer");
714 MAC_FREE_SHRABL_BUF(pst.region, pst.pool, slotIndMsg, sizeof(fapi_slot_ind_t));
717 CMCHKPK(oduPackPointer, (PTR)slotIndMsg, mBuf);
718 ODU_POST_TASK(&pst, mBuf);
724 /*******************************************************************
726 * @brief Handles start request received from MAC
730 * Function : l1HdlStartReq
733 * -Handles start request received from MAC
735 * @params[in] Message length
736 * config request message pointer
740 * ****************************************************************/
742 S16 l1HdlStartReq(uint32_t msgLen, void *msg)
745 if(lwrMacCb.phyState == PHY_STATE_CONFIGURED)
747 l1HdlSlotIndicaion(FALSE);
748 l1StartConsoleHandler();
749 MAC_FREE(msg, msgLen);
753 DU_LOG("\nINFO --> PHY_STUB: Received Start Req in PHY State %d", lwrMacCb.phyState);
754 MAC_FREE(msg, msgLen);
761 /*******************************************************************
763 * @brief Handles Dl Tti request received from MAC
767 * Function : l1HdlDlTtiReq
770 * -Handles Dl Tti request received from MAC
772 * @params[in] Message length
773 * Dl Tti request message pointer
777 * ****************************************************************/
779 S16 l1HdlDlTtiReq(uint16_t msgLen, void *msg)
782 p_fapi_api_queue_elem_t dlTtiElem = (p_fapi_api_queue_elem_t)msg;
783 fapi_dl_tti_req_t *dlTtiReq = (fapi_dl_tti_req_t *)(dlTtiElem +1);
785 uint8_t pduCount = 0;
787 #ifdef ODU_SLOT_IND_DEBUG_LOG
788 if(dlTtiReq->nPdus == 0)
790 DU_LOG("\nDEBUG --> PHY_STUB: No PDU in DL TTI Request");
794 DU_LOG("\nDEBUG --> PHY STUB: DL TTI Request at sfn=%d slot=%d",dlTtiReq->sfn,dlTtiReq->slot);
798 for(pduCount=0; pduCount<dlTtiReq->nPdus; pduCount++)
800 if(dlTtiReq->pdus[pduCount].pduType == 3) //SSB_PDU_TYPE
802 DU_LOG("\nINFO --> PHY_STUB: SSB PDU");
804 else if(dlTtiReq->pdus[pduCount].pduType == 0)
806 DU_LOG("\nINFO --> PHY_STUB: PDCCH PDU");
808 else if(dlTtiReq->pdus[pduCount].pduType == 1)
810 DU_LOG("\nINFO --> PHY_STUB: PDSCH PDU");
814 /* Free FAPI message */
815 MAC_FREE(msg, msgLen);
820 /*******************************************************************
822 * @brief Handles tx_data request received from MAC
826 * Function : l1HdlTxDataReq
829 * -Handles tx_data request received from MAC
831 * @params[in] Message length
832 * tx_data request message pointer
836 * ****************************************************************/
838 S16 l1HdlTxDataReq(uint16_t msgLen, void *msg)
841 p_fapi_api_queue_elem_t txDataElem = (p_fapi_api_queue_elem_t)msg;
842 fapi_tx_data_req_t *txDataReq = (fapi_tx_data_req_t *)(txDataElem +1);
844 DU_LOG("\nINFO --> PHY STUB: TX DATA Request at sfn=%d slot=%d",txDataReq->sfn,txDataReq->slot);
848 DU_LOG("\nINFO --> PHY_STUB: TxDataPdu for DED MSG sent");
852 MAC_FREE(msg, msgLen);
858 /*******************************************************************
860 * @brief Fills Uci Ind Pdu Info carried on Pucch Format 0/Format 1
864 * Function : fillPucchF0F1PduInfo
867 * Fills Uci Ind Pdu Info carried on Pucch Format 0/Format 1
869 * @params[in] fapi_uci_o_pucch_f0f1_t *
871 * @return ROK - success
874 * ****************************************************************/
875 uint8_t fillPucchF0F1PduInfo(fapi_uci_o_pucch_f0f1_t *pduInfo, fapi_ul_pucch_pdu_t pucchPdu)
879 pduInfo->handle = pucchPdu.handle;
880 pduInfo->pduBitmap = 1; //hardcoded for SR
881 pduInfo->pucchFormat = pucchPdu.formatType;
883 pduInfo->rnti = pucchPdu.rnti;
884 pduInfo->timingAdvance = 0;
886 if(pduInfo->pduBitmap & SR_PDU_BITMASK)
888 pduInfo->srInfo.srIndication = SR_DETECTED;
889 pduInfo->srInfo.srConfidenceLevel = CONFDC_LEVEL_GOOD;
891 if(pduInfo->pduBitmap & HARQ_PDU_BITMASK)
893 pduInfo->harqInfo.numHarq++;
894 pduInfo->harqInfo.harqConfidenceLevel = CONFDC_LEVEL_GOOD;
895 for(idx = 0; idx < pduInfo->harqInfo.numHarq; idx++)
897 pduInfo->harqInfo.harqValue[idx] = HARQ_PASS;
902 /*******************************************************************
904 * @brief Fills UCI Pdu Information
908 * Function : fillUciPduInfo
911 * Fills UCI Pdu Information
913 * @params[in] Pointer to uciPdu
915 * @return ROK - success
918 * ****************************************************************/
919 uint8_t fillUciPduInfo(fapi_uci_pdu_info_t *uciPdu, fapi_ul_pucch_pdu_t pucchPdu)
923 /*TODO: The pduType is hardcoded here to support
924 UCI Ind for PUCCH forat0/format1. This is to be
925 modified when we get SR form UE */
926 uciPdu->pduType = UCI_IND_PUCCH_F0F1;
927 switch(uciPdu->pduType)
931 case UCI_IND_PUCCH_F0F1:
933 fapi_uci_o_pucch_f0f1_t *pduInfo = NULLP;
935 pduInfo = &uciPdu->uci.uciPucchF0F1;
936 ret = fillPucchF0F1PduInfo(pduInfo, pucchPdu);
937 uciPdu->pduSize = sizeof(fapi_uci_o_pucch_f0f1_t);
940 case UCI_IND_PUCCH_F2F3F4:
943 DU_LOG("\nERROR --> PHY_STUB: Invalid Pdu Type %d", uciPdu->pduType);
949 /*******************************************************************
951 * @brief Build and send Uci indication
955 * Function : l1BuildAndSendUciInd
958 * Build and send Uci indication
962 * @return ROK - success
965 * ****************************************************************/
966 uint8_t l1BuildAndSendUciInd(uint16_t slot, uint16_t sfn, fapi_ul_pucch_pdu_t pucchPdu)
969 uint8_t nUciPdus = 0;
972 fapi_uci_indication_t *uciInd = NULLP;
974 MAC_ALLOC(uciInd, sizeof(fapi_uci_indication_t));
977 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for UCI Indication");
980 memset(uciInd, 0, sizeof(fapi_uci_indication_t));
983 uciInd->numUcis = 1; //consdering the UCI Ind for SR
984 nUciPdus = uciInd->numUcis;
987 ret = fillUciPduInfo(&uciInd->uciPdu[uciIdx], pucchPdu);
993 msgLen = sizeof(fapi_uci_indication_t)- sizeof(fapi_msg_t);
994 fillMsgHeader(&uciInd->header, FAPI_UCI_INDICATION, msgLen);
996 /* Sending UCI indication to MAC */
997 DU_LOG("\nINFO --> PHY STUB: Sending UCI Indication to MAC");
998 procPhyMessages(uciInd->header.msg_id, sizeof(fapi_uci_indication_t), (void *)uciInd);
1000 MAC_FREE(uciInd, sizeof(fapi_uci_indication_t));
1005 /*******************************************************************
1007 * @brief Handles Ul Tti request received from MAC
1011 * Function : l1HdlUlTtiReq
1014 * -Handles Ul Tti request received from MAC
1016 * @params[in] Message length
1017 * Ul Tti request message pointer
1021 * ****************************************************************/
1023 S16 l1HdlUlTtiReq(uint16_t msgLen, void *msg)
1026 p_fapi_api_queue_elem_t ulTtiElem = (p_fapi_api_queue_elem_t)msg;
1027 fapi_ul_tti_req_t *ulTtiReq = (fapi_ul_tti_req_t *)(ulTtiElem +1);
1028 uint8_t numPdus = ulTtiReq->nPdus;
1030 #ifdef ODU_SLOT_IND_DEBUG_LOG
1033 DU_LOG("\nINFO --> PHY STUB: No PDU received in UL TTI Req");
1037 DU_LOG("\nINFO --> PHY STUB: Received UL TTI Request");
1043 if(ulTtiReq->pdus[numPdus-1].pduType == 0)
1045 DU_LOG("\nINFO --> PHY STUB: PRACH PDU");
1047 if(ulTtiReq->pdus[numPdus-1].pduType == 1)
1049 DU_LOG("\nINFO --> PHY STUB: PUSCH PDU");
1050 l1BuildAndSendRxDataInd(ulTtiReq->slot, ulTtiReq->sfn, \
1051 ulTtiReq->pdus[numPdus-1].pdu.pusch_pdu);
1053 if(ulTtiReq->pdus[numPdus-1].pduType == 2)
1055 DU_LOG("\nINFO --> PHY STUB: PUCCH PDU");
1056 fapi_ul_tti_req_t ulTtiSlotInd;
1057 memset(&ulTtiSlotInd, 0, sizeof(fapi_ul_tti_req_t));
1058 ulTtiSlotInd.slot = ulTtiReq->slot;
1059 ulTtiSlotInd.sfn = ulTtiReq->sfn;
1060 ADD_DELTA_TO_TIME(ulTtiSlotInd, ulTtiSlotInd, SLOT_DELAY);
1061 l1BuildAndSendUciInd(ulTtiSlotInd.slot, ulTtiSlotInd.sfn, \
1062 ulTtiReq->pdus[numPdus-1].pdu.pucch_pdu);
1067 /* TODO: [SFN:SLOT] at which RACH Indication is sent should be calculated
1068 * based on PRACH cfg index */
1069 /* Send RACH Ind to L2 for first UE */
1070 if(ueDb.ueCb[UE_IDX_0].rachIndSent == false && ulTtiReq->sfn == 16 && ulTtiReq->slot == 6)
1072 ueDb.ueCb[UE_IDX_0].rachIndSent = true;
1073 l1BuildAndSendRachInd(ulTtiReq->slot, ulTtiReq->sfn);
1077 /* Send RACH Ind to L2 for second UE */
1078 if(ueDb.ueCb[UE_IDX_1].rachIndSent == false && ulTtiReq->sfn == 304 && ulTtiReq->slot == 0)
1080 ueDb.ueCb[UE_IDX_1].rachIndSent = true;
1081 l1BuildAndSendRachInd(ulTtiReq->slot, ulTtiReq->sfn);
1085 /* Send RACH Ind to L2 for third UE */
1086 if(ueDb.ueCb[UE_IDX_2].rachIndSent == false && ulTtiReq->sfn == 526 && ulTtiReq->slot == 0)
1088 ueDb.ueCb[UE_IDX_2].rachIndSent = true;
1089 l1BuildAndSendRachInd(ulTtiReq->slot, ulTtiReq->sfn);
1093 MAC_FREE(msg, msgLen);
1098 /*******************************************************************
1100 * @brief Builds and Send the stop Indication message to MAC
1104 * Function : l1BuildAndSendStopInd
1107 * -Send the Stop indication Message to MAC
1112 * ****************************************************************/
1113 uint16_t l1BuildAndSendStopInd()
1117 Buffer *mBuf = NULLP;
1118 fapi_stop_ind_t *stopIndMsg = NULLP;
1119 uint32_t msgLen = 0;
1121 MAC_ALLOC_SHRABL_BUF(stopIndMsg, sizeof(fapi_stop_ind_t));
1124 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for stop Indication Message");
1129 fillMsgHeader(&stopIndMsg->header, FAPI_STOP_INDICATION, msgLen);
1130 DU_LOG("\n\nINFO --> PHY_STUB: Processing Stop indication to MAC");
1132 memset(&pst, 0, sizeof(Pst));
1133 FILL_PST_PHY_STUB_TO_LWR_MAC(pst, EVT_PHY_STUB_STOP_IND);
1134 ODU_GET_MSG_BUF(pst.region, pst.pool, &mBuf);
1137 DU_LOG("\nERROR --> PHY_STUB: Failed to allocate memory for slot indication buffer");
1138 MAC_FREE_SHRABL_BUF(pst.region, pst.pool, stopIndMsg, sizeof(fapi_stop_ind_t));
1141 CMCHKPK(oduPackPointer, (PTR)stopIndMsg, mBuf);
1142 ODU_POST_TASK(&pst, mBuf);
1148 /*******************************************************************
1150 * @brief Handles stop request received from MAC
1154 * Function : l1HdlStopReq
1157 * -Handles stop request received from MAC
1159 * @params[in] Message length
1160 * stop request message pointer
1164 * ****************************************************************/
1166 S16 l1HdlStopReq(uint32_t msgLen, void *msg)
1169 if(lwrMacCb.phyState == PHY_STATE_RUNNING)
1171 l1HdlSlotIndicaion(TRUE);
1173 /* Initialize all global variables */
1176 memset(&ueDb, 0, sizeof(UeDb));
1178 DU_LOG("\nINFO --> PHY_STUB: Slot Indication is stopped successfully");
1179 MAC_FREE(msg, msgLen);
1183 DU_LOG("\nINFO --> PHY_STUB: Received Stop Req in PHY State %d", lwrMacCb.phyState);
1184 MAC_FREE(msg, msgLen);
1192 /*******************************************************************
1194 * @brief Build And Send Rx Data Ind for Msg5
1198 * Function : l1BuildAndSendMsg5
1200 * Functionality: Build And Send Rx Data Ind for Msg5
1204 * @return ROK - success
1207 * ****************************************************************/
1208 uint8_t l1BuildAndSendMsg5(uint16_t sfn, uint16_t slot)
1212 fapi_rx_data_indication_t *rxDataInd;
1213 fapi_pdu_ind_info_t *pduInfo;
1215 uint16_t byteIdx = 0;
1216 uint32_t msgLen = 0;
1218 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
1221 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Indication for msg5");
1224 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
1226 /* TODO: Fill the required values */
1227 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
1228 rxDataInd->sfn = sfn;
1229 rxDataInd->slot = slot;
1230 rxDataInd->numPdus = 1;
1232 pduInfo = &rxDataInd->pdus[idx];
1233 pduInfo->handle = 100;
1234 pduInfo->rnti = 100;
1235 pduInfo->harqId = 1;
1236 pduInfo->pdu_length = 25;
1237 pduInfo->ul_cqi = 0;
1238 pduInfo->timingAdvance = 0;
1241 /* Filling pdu with random values for testing */
1242 pduInfo->pduData = NULL;
1243 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
1244 if(!pduInfo->pduData)
1246 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Pdu");
1251 pdu = (uint8_t *)pduInfo->pduData;
1253 uint8_t msg5PduLen = 33;
1254 /* For RRC setup complete
1255 MAC subheader format is R/F/LCId/L (2/3 bytes)
1257 L is length of PDU i.e 6bytes here
1258 From 38.321 section 6.1.1
1260 uint8_t msg5[] = {1, msg5PduLen, 0, 0, 16, 0, 5, 223, 128, 16, 94, \
1261 64, 3, 64, 89, 61, 138, 64, 0, 0, 0, 4, 0, 0, 4, 68, 11, 128, \
1262 184, 56, 0, 0, 0, 0, 0};
1264 msg5PduLen += 2; /* 2bytes of header */
1265 memcpy(pdu, &msg5, msg5PduLen);
1266 byteIdx += msg5PduLen; /* 2 bytes of header */
1268 /* Filling MAC SDU for Padding bytes*/
1269 if(byteIdx < pduInfo->pdu_length)
1272 MAC subheader format is R/R/LCId (1byte)
1273 LCId is 63 for padding
1274 From 38.321 section 6.1.1
1276 pdu[byteIdx++] = 63;
1278 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
1281 msgLen += pduInfo->pdu_length;
1283 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
1285 /* Sending Rx data indication to MAC */
1286 DU_LOG("\nINFO --> PHY STUB: Sending Rx data Indication to MAC");
1287 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
1289 if(pduInfo->pdu_length)
1290 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1291 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1297 /*******************************************************************
1299 * @brief Handles Ul Dci request received from MAC
1303 * Function : l1HdlUlDciReq
1306 * -Handles Ul Dci request received from MAC
1308 * @params[in] Message length
1309 * Ul Dci request message pointer
1313 * ****************************************************************/
1315 S16 l1HdlUlDciReq(uint16_t msgLen, void *msg)
1318 p_fapi_api_queue_elem_t ulDciElem = (p_fapi_api_queue_elem_t)msg;
1319 fapi_ul_dci_req_t *ulDciReq = (fapi_ul_dci_req_t *)(ulDciElem +1);
1320 uint8_t numPdus = ulDciReq->numPdus;
1324 if(ulDciReq->pdus[numPdus-1].pduType == 0)
1326 DU_LOG("\nINFO --> PHY STUB: Received UL DCI Request for PDCCH PDU");
1327 //l1BuildAndSendMsg5(ulDciReq->sfn, ulDciReq->slot);
1333 MAC_FREE(msg, msgLen);
1338 /*******************************************************************
1340 * @brief Send UL user data to DU
1344 * Function : l1SendUlUserData
1346 * Functionality: Send UL user data to DU
1349 * @return ROK - success
1352 * ****************************************************************/
1353 uint8_t l1SendUlUserData(uint8_t drbId, uint8_t ueIdx)
1356 fapi_rx_data_indication_t *rxDataInd;
1357 fapi_pdu_ind_info_t *pduInfo;
1358 uint8_t *pdu = NULLP;
1359 uint16_t byteIdx = 0;
1360 uint32_t msgLen = 0;
1364 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
1367 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Indication");
1370 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
1372 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
1374 rxDataInd->slot = 0;
1375 rxDataInd->numPdus = 1;
1377 /* TODO : Fill pduInfo using PUSCH PDU. Currently hardcoding */
1378 pduInfo = &rxDataInd->pdus[idx];
1379 pduInfo->handle = ueIdx + ODU_START_CRNTI;
1380 pduInfo->rnti = ueIdx + ODU_START_CRNTI;
1381 pduInfo->harqId = 1;
1382 /* Since user data size = 50bytes and 2 bytes of MAC header and 3 byte of RLC header,
1383 * setting tbsize = 56 from Table 5.1.3.2-1 spec 38.214 */
1384 pduInfo->pdu_length = 56;
1385 pduInfo->ul_cqi = 0;
1386 pduInfo->timingAdvance = 0;
1389 /* Filling pdu with random values for testing */
1390 pduInfo->pduData = NULL;
1391 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
1392 if(!pduInfo->pduData)
1394 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Pdu");
1399 pdu = (uint8_t *)pduInfo->pduData;
1403 MAC subheader format is R/F/LCId/L (2/3 bytes)
1405 L is length of PDU i.e 50 bytes
1406 From 38.321 section 6.1.1
1407 From 38.322 section 6.2.2.4, 6.2.2.3 for AM, UM Header
1410 /* Below ulMsg supports 12bit SN for UM mode */
1412 lcId = MIN_DRB_LCID + drbId;
1413 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,
1414 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};
1415 msgLen += 2; /* 2bytes of header */
1416 memcpy(pdu, &ulMsg, msgLen);
1417 byteIdx += msgLen; /* 2 bytes of header */
1419 /* Filling MAC SDU for Padding bytes*/
1420 if(byteIdx < pduInfo->pdu_length)
1423 MAC subheader format is R/R/LCId (1byte)
1424 LCId is 63 for padding
1425 From 38.321 section 6.1.1
1427 pdu[byteIdx++] = 63;
1429 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
1432 msgLen += pduInfo->pdu_length;
1434 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
1436 /* Send Message to peer */
1437 while(cnt < NUM_UL_PACKETS)
1439 DU_LOG("\nDEBUG --> PHY STUB : Sending UL User Data[%d][LCID:%d] at sfn %d slot %d", cnt+1, lcId, sfnValue, slotValue);
1440 /* Sending Rx data indication to MAC */
1441 rxDataInd->sfn = sfnValue;
1442 rxDataInd->slot = slotValue;
1443 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
1447 if(pduInfo->pdu_length)
1448 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1449 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1453 /*******************************************************************
1455 * @brief Sends RLC Status PDU to DU
1459 * Function : l1SendStatusPdu
1461 * Functionality: Send RLC Status PDU to DU
1464 * @return ROK - success
1467 * ****************************************************************/
1468 uint8_t l1SendStatusPdu()
1470 fapi_rx_data_indication_t *rxDataInd;
1471 fapi_pdu_ind_info_t *pduInfo;
1472 uint8_t *pdu = NULLP;
1473 uint16_t byteIdx = 0;
1474 uint32_t msgLen = 0;
1477 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
1480 printf("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Indication");
1483 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
1485 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
1487 rxDataInd->slot = 0;
1488 rxDataInd->numPdus = 1;
1490 /* TODO : Fill pduInfo using PUSCH PDU. Currently hardcoding */
1491 pduInfo = &rxDataInd->pdus[idx];
1492 pduInfo->handle = 100;
1493 pduInfo->rnti = 100;
1494 pduInfo->harqId = 1;
1495 /* Since status pdu size = 3bytes and 2 bytes of MAC header,
1496 * setting tbsize = 24 from Table 5.1.3.2-1 spec 38.214 */
1497 pduInfo->pdu_length = 24;
1498 pduInfo->ul_cqi = 0;
1499 pduInfo->timingAdvance = 0;
1502 /* Filling pdu with random values for testing */
1503 pduInfo->pduData = NULL;
1504 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
1505 if(!pduInfo->pduData)
1507 printf("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Pdu");
1512 pdu = (uint8_t *)pduInfo->pduData;
1515 /* For RLC Status PDU
1516 * MAC subheader format is R/F/LCId/L (2/3 bytes)
1517 * LCId is 4 for DRB1
1518 * L is length of Status PDU i.e 3 bytes
1519 * From 38.321 section 6.1.1
1521 * RLC Status PDU format :
1522 * ---------------------------------
1523 * |D/C|CPT| ACK_SN |
1524 * ---------------------------------
1526 * ---------------------------------
1527 * |E1 | R | R | R | R | R | R | R |
1528 * ---------------------------------
1530 * Here, D/C bit = 0 for Control PDU
1531 * CPT bit = 0 since control pdu type is Status PDU
1532 * ACK_SN = 0 as of now, this can be changed based on the
1533 * scenario being tested
1534 * E1 = 0 because no NACK_SN, E1, E2 and E3 follows it
1535 * R = 0 i.e. reserved bits
1536 * From Spec 38.322 section 6.2.2.5
1538 uint8_t statusPdu[] = {4, msgLen, 0, 0, 0};
1539 msgLen += 2; /* 2bytes of header */
1540 memcpy(pdu, &statusPdu, msgLen);
1541 byteIdx += msgLen; /* 2 bytes of header */
1544 /* Filling MAC SDU for Padding bytes*/
1545 if(byteIdx < pduInfo->pdu_length)
1548 MAC subheader format is R/R/LCId (1byte)
1549 LCId is 63 for padding
1550 From 38.321 section 6.1.1
1552 pdu[byteIdx++] = 63;
1554 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
1557 msgLen += pduInfo->pdu_length;
1559 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
1561 /* Send Message to peer */
1562 DU_LOG("\nDEBUG --> PHY STUB : Sending RLC status pdu at sfn %d slot %d", sfnValue, slotValue);
1563 /* Sending Rx data indication to MAC */
1564 rxDataInd->sfn = sfnValue;
1565 rxDataInd->slot = slotValue;
1566 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
1568 if(pduInfo->pdu_length)
1569 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1570 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1574 /*******************************************************************
1576 * @brief Receives message from MAC
1580 * Function : l1ProcessFapiRequest
1583 * - Receives message from MAC and calls handler
1585 * @params[in] Message type
1591 * ****************************************************************/
1593 void l1ProcessFapiRequest(uint8_t msgType, uint32_t msgLen, void *msg)
1598 case FAPI_PARAM_REQUEST:
1599 l1HdlParamReq(msgLen, msg);
1601 case FAPI_CONFIG_REQUEST:
1602 l1HdlConfigReq(msgLen, msg);
1604 case FAPI_START_REQUEST:
1605 l1HdlStartReq(msgLen, msg);
1607 case FAPI_DL_TTI_REQUEST:
1608 l1HdlDlTtiReq(msgLen, msg);
1610 case FAPI_TX_DATA_REQUEST:
1611 l1HdlTxDataReq(msgLen, msg);
1613 case FAPI_UL_TTI_REQUEST:
1614 l1HdlUlTtiReq(msgLen, msg);
1616 case FAPI_STOP_REQUEST:
1617 l1HdlStopReq(msgLen, msg);
1619 case FAPI_UL_DCI_REQUEST:
1620 l1HdlUlDciReq(msgLen, msg);
1623 DU_LOG("\nERROR --> PHY_STUB: Invalid message type[%x] received at PHY", msgType);
1630 /*******************************************************************
1632 * @brief Builds and Send the BSR message to MAC
1636 * Function : l1BuildAndSendBSR
1639 * -Send the BSR Message to MAC
1641 * @params[in] BSR type
1642 * array of LCGID and BSIdx
1645 *****************************************************************/
1646 uint16_t l1BuildAndSendBSR(uint8_t ueIdx, BsrType bsrType,\
1647 LcgBufferSize lcgBsIdx[MAX_NUM_LOGICAL_CHANNEL_GROUPS])
1649 fapi_rx_data_indication_t *rxDataInd;
1650 fapi_pdu_ind_info_t *pduInfo;
1651 uint8_t *pdu = NULLP;
1652 uint16_t byteIdx = 0;
1653 uint32_t msgLen = 0;
1654 uint8_t pduIdx = 0, lcgIdx = 0, lcgIdxPos = 0;
1656 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
1659 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Indication");
1662 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
1664 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
1666 rxDataInd->slot = 0;
1667 rxDataInd->numPdus = 1;
1669 pduInfo = &rxDataInd->pdus[pduIdx];
1670 pduInfo->handle = (ODU_START_CRNTI + ueIdx);
1671 pduInfo->rnti = (ODU_START_CRNTI + ueIdx);
1672 pduInfo->harqId = 1;
1674 /* Since status pdu size = 3bytes and 2 bytes of MAC header,
1675 * setting tbsize = 24 from Table 5.1.3.2-1 spec 38.214 */
1676 pduInfo->pdu_length = 24;
1677 pduInfo->ul_cqi = 0;
1678 pduInfo->timingAdvance = 0;
1681 /* Filling pdu with random values for testing */
1682 pduInfo->pduData = NULL;
1683 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
1684 if(!pduInfo->pduData)
1686 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Pdu");
1687 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1692 pdu = (uint8_t *)pduInfo->pduData;
1698 DU_LOG("\nDEBUG --> PHY_STUB: Forming SHORT BSR PDU ");
1701 * MAC subheader format is R/R/LcId (1Byte)
1703 * From 38.321 section 6.1.1
1705 pdu[byteIdx++] = 61; // LCID
1706 pdu[byteIdx++] = (lcgBsIdx[0].lcgId << 5) | lcgBsIdx[0].bsIdx;
1712 DU_LOG("\nDEBUG --> PHY_STUB: Forming LONG BSR PDU ");
1715 * MAC subheader format is R/R/LcId (1Byte)
1717 * From 38.321 section 6.1.1
1719 pdu[byteIdx++] = 62; // LCID
1721 /*Octet where lcgId bitmap will be present*/
1722 lcgIdxPos = byteIdx;
1724 for(lcgIdx = 0; lcgIdx < MAX_NUM_LOGICAL_CHANNEL_GROUPS; lcgIdx++)
1726 if(lcgBsIdx[lcgIdx].bsIdx > 0)
1728 pdu[lcgIdxPos] |= 1 << lcgBsIdx[lcgIdx].lcgId;
1729 pdu[byteIdx++] = lcgBsIdx[lcgIdx].bsIdx;
1738 DU_LOG("\nERROR --> PHY_STUB: Incorrect BSR type:%d!", bsrType);
1739 if(pduInfo->pdu_length)
1740 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1741 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1745 /* Filling MAC SDU for Padding bytes*/
1746 if(byteIdx < pduInfo->pdu_length)
1749 * MAC subheader format is R/R/LCId (1byte)
1750 * LCId is 63 for padding
1751 * From 38.321 section 6.1.1
1753 pdu[byteIdx++] = 63;
1755 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
1758 msgLen += pduInfo->pdu_length;
1759 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
1761 /* Sending Rx data indication to MAC */
1762 DU_LOG("\nINFO --> PHY STUB: Sending Rx data Indication to MAC");
1763 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
1765 if(pduInfo->pdu_length)
1766 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1767 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1772 /**********************************************************************
1774 **********************************************************************/