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].msg3Sent)
359 phyDb.ueDb.ueCb[ueId-1].ueId = ueId;
360 phyDb.ueDb.ueCb[ueId-1].crnti = puschPdu.rnti;
361 phyDb.ueDb.ueCb[ueId-1].msg3Sent = true;
362 type = MSG_TYPE_MSG3;
365 else if(!phyDb.ueDb.ueCb[ueId-1].msg5ShortBsrSent)
367 phyDb.ueDb.ueCb[ueId-1].msg5ShortBsrSent = true;
368 type = MSG_TYPE_SHORT_BSR;
370 else if(!phyDb.ueDb.ueCb[ueId-1].msg5Sent)
372 phyDb.ueDb.ueCb[ueId-1].msg5Sent = true;
373 type = MSG_TYPE_MSG5;
375 else if(!phyDb.ueDb.ueCb[ueId-1].msgRegistrationComp)
377 phyDb.ueDb.ueCb[ueId-1].msgRegistrationComp = true;
378 type = MSG_TYPE_REGISTRATION_COMPLETE;
380 else if(!phyDb.ueDb.ueCb[ueId-1].msgSecurityModeComp)
382 phyDb.ueDb.ueCb[ueId-1].msgSecurityModeComp = true;
383 type = MSG_TYPE_SECURITY_MODE_COMPLETE;
385 else if(!phyDb.ueDb.ueCb[ueId-1].msgRrcReconfiguration)
387 phyDb.ueDb.ueCb[ueId-1].msgRrcReconfiguration = true;
388 type = MSG_TYPE_RRC_RECONFIG_COMPLETE;
393 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
396 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Indication");
399 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
401 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
402 rxDataInd->sfn = sfn;
403 rxDataInd->slot = slot;
404 rxDataInd->numPdus = 1;
406 pduInfo = &rxDataInd->pdus[idx];
407 pduInfo->handle = puschPdu.handle;
408 pduInfo->rnti = puschPdu.rnti;
409 pduInfo->harqId = puschPdu.puschData.harqProcessId;
410 pduInfo->pdu_length = puschPdu.puschData.tbSize ;
412 pduInfo->timingAdvance = 0;
415 /* Filling pdu with random values for testing */
416 pduInfo->pduData = NULL;
417 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
418 if(!pduInfo->pduData)
420 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Pdu");
423 memset(pduInfo->pduData, 0, pduInfo->pdu_length);
425 pdu = (uint8_t *)pduInfo->pduData;
431 DU_LOG("\nDEBUG --> PHY_STUB: Forming MSG3 PDU ");
432 /* For Initial RRC setup Request,
433 MAC subheader format is R/R/LCId (1byte)
435 From 38.321 section 6.1.1
438 /* Hardcoding MAC PDU */
444 pdu[byteIdx++] = 103;
448 case MSG_TYPE_SHORT_BSR:
450 DU_LOG("\nDEBUG --> PHY_STUB: Forming SHORT BSR PDU ");
452 uint8_t bufferSizeIdx = 6;
455 MAC subheader format is R/R/LcId (1Byte)
457 From 38.321 section 6.1.1
459 pdu[byteIdx++] = 61; // LCID
460 pdu[byteIdx++] = (lcgId << 5) | bufferSizeIdx;
467 /* For RRC setup complete
469 * MAC subheader format is R/F/LCId/L (2/3 bytes)
471 * L is length of PDU i.e 6bytes here
472 * From 38.321 section 6.1.1
474 * RLC subheader for AM PDU is D/C/P/SI/SN (2 bytes for 12-bit SN)
475 * From 38.322, section 6.2.2.4
477 DU_LOG("\nDEBUG --> PHY_STUB: Forming MSG5 PDU");
478 uint8_t msg5PduLen = 33; /* Length of MSG5 */
479 msg5PduLen += 2; /* RLC subheader */
480 uint8_t msg5[] = {1, msg5PduLen, 128, phyDb.ueDb.ueCb[ueId-1].rlcSnForSrb1++, 0, phyDb.ueDb.ueCb[ueId-1].pdcpSn++, 16, 0, \
481 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};
483 msg5PduLen += 2; /* 2 bytes of MAC header */
484 memcpy(pdu, &msg5, msg5PduLen);
485 byteIdx += msg5PduLen; /* 4 bytes of header : MAC+RLC */
489 case MSG_TYPE_SECURITY_MODE_COMPLETE:
491 /* For security mode complete where RRC Container is dummy
493 * MAC subheader format is R/F/LCId/L (2/3 bytes)
495 * L is length of PDU i.e 6bytes here
496 * From 38.321 section 6.1.1
498 * RLC subheader for AM PDU is D/C/P/SI/SN (2 bytes for 12-bit SN)
499 * From 38.322, section 6.2.2.4
501 DU_LOG("\nDEBUG --> PHY_STUB: Forming SECURITY MODE COMPLETE PDU");
502 uint8_t pduLen = 12; /* Length of PDU */
503 pduLen += 2; /* RLC subheader */
504 uint8_t msg[] = {1, pduLen, 128, phyDb.ueDb.ueCb[ueId-1].rlcSnForSrb1++, 0, phyDb.ueDb.ueCb[ueId-1].pdcpSn++, 0x2a, 0x40, \
505 0, 0, 0, 0, 0, 0, 0, 0};
507 pduLen += 2; /* 2 bytes of MAC header */
508 memcpy(pdu, &msg, pduLen);
509 byteIdx += pduLen; /* 4 bytes of header : MAC+RLC */
513 case MSG_TYPE_REGISTRATION_COMPLETE:
515 /* For rrc reconfig complete where RRC Container is dummy
517 * MAC subheader format is R/F/LCId/L (2/3 bytes)
519 * L is length of PDU i.e 6bytes here
520 * From 38.321 section 6.1.1
522 * RLC subheader for AM PDU is D/C/P/SI/SN (2 bytes for 12-bit SN)
523 * From 38.322, section 6.2.2.4
525 DU_LOG("\nDEBUG --> PHY_STUB: Forming RRC REGISTRATION COMPLETE PDU");
526 uint8_t pduLen = 12; /* Length of PDU */
527 pduLen += 2; /* RLC subheader */
528 uint8_t msg[] = {1, pduLen, 128, phyDb.ueDb.ueCb[ueId-1].rlcSnForSrb1++, 0, phyDb.ueDb.ueCb[ueId-1].pdcpSn++, 0x3a, 0x81, \
529 0xbf, 0, 0x21, 0x80, 0, 0, 0, 0};
531 pduLen += 2; /* 2 bytes of MAC header */
532 memcpy(pdu, &msg, pduLen);
533 byteIdx += pduLen; /* 4 bytes of header : MAC+RLC */
537 case MSG_TYPE_RRC_RECONFIG_COMPLETE:
539 /* For rrc reconfig complete where RRC Container is dummy
541 * MAC subheader format is R/F/LCId/L (2/3 bytes)
543 * L is length of PDU i.e 6bytes here
544 * From 38.321 section 6.1.1
546 * RLC subheader for AM PDU is D/C/P/SI/SN (2 bytes for 12-bit SN)
547 * From 38.322, section 6.2.2.4
549 DU_LOG("\nDEBUG --> PHY_STUB: Forming RRC RECONFIGURATION COMPLETE PDU");
550 uint8_t pduLen = 13; /* PDU length */
551 pduLen += 2; /* RLC sub header */
552 uint8_t msg[] = {1, pduLen, 128, phyDb.ueDb.ueCb[ueId-1].rlcSnForSrb1++, 0, phyDb.ueDb.ueCb[ueId-1].pdcpSn++, 8, 64, 0, 0,\
553 0, 0, 0, 0, 0, 0, 0};
555 pduLen += 2; /* 2bytes of MAC header */
556 memcpy(pdu, &msg, pduLen);
557 byteIdx += pduLen; /* 4 bytes of header : MAC+RLC*/
564 } /* End of switch(type) */
566 /* Filling MAC SDU for Padding bytes*/
567 if(byteIdx < pduInfo->pdu_length)
570 MAC subheader format is R/R/LCId (1byte)
571 LCId is 63 for padding
572 From 38.321 section 6.1.1
576 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
579 msgLen += pduInfo->pdu_length;
581 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
583 /* Sending Rx data indication to MAC */
584 DU_LOG("\nINFO --> PHY STUB: Sending Rx data Indication to MAC");
585 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
587 if(pduInfo->pdu_length)
588 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
589 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
594 /*******************************************************************
596 * @brief Builds and Sends RACH indication to MAC
600 * Function : l1BuildAndSendRachInd
603 * Builds and Sends RACH indication to MAC
605 * @params[in] SFN value
607 * @return ROK - success
610 * ****************************************************************/
611 uint16_t l1BuildAndSendRachInd(uint16_t slot, uint16_t sfn)
614 uint8_t rachPduIdx = 0;
615 uint8_t preamIdx = 0;
616 fapi_rach_pdu_t *rachPdu;
617 fapi_rach_indication_t *rachInd;
619 /* Building RACH indication */
620 MAC_ALLOC(rachInd, sizeof(fapi_rach_indication_t));
623 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rach Indication Message");
626 memset(rachInd, 0, sizeof(fapi_rach_indication_t));
628 rachInd->slot = slot;
629 rachInd->numPdus = 1;
631 rachPdu = &rachInd->rachPdu[rachPduIdx];
632 rachPdu->phyCellId = NR_PCI;
633 rachPdu->symbolIndex = 0;
634 rachPdu->slotIndex = slot;
635 rachPdu->freqIndex = 0;
636 rachPdu->avgRssi = 0;
638 rachPdu->numPreamble = 1;
640 rachPdu->preambleInfo[preamIdx].preambleIndex = 3;
641 rachPdu->preambleInfo[preamIdx].timingAdvance = 0;
642 rachPdu->preambleInfo[preamIdx].preamblePwr = 0;
644 fillMsgHeader(&rachInd->header, FAPI_RACH_INDICATION, \
645 sizeof(fapi_rach_indication_t) - sizeof(fapi_msg_t));
647 /* Sending RACH indication to MAC */
648 DU_LOG("\nINFO --> PHY STUB: Sending RACH Indication to MAC");
649 procPhyMessages(rachInd->header.msg_id, sizeof(fapi_rach_indication_t), (void *)rachInd);
650 MAC_FREE(rachInd, sizeof(fapi_rach_indication_t));
655 /*******************************************************************
657 * @brief Builds and Send the Slot Indication message to MAC
661 * Function : l1BuildAndSendSlotIndication
664 * -Send the Slot indication Message to MAC
666 * @params[in] Message length
667 * config request message pointer
671 * ****************************************************************/
672 uint16_t l1BuildAndSendSlotIndication()
678 fapi_slot_ind_t *slotIndMsg;
680 MAC_ALLOC_SHRABL_BUF(slotIndMsg, sizeof(fapi_slot_ind_t));
683 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for slot Indication Message");
688 memset(slotIndMsg, 0, sizeof(fapi_slot_ind_t));
689 slotIndMsg->sfn = sfnValue;
690 slotIndMsg->slot = slotValue;
692 #ifdef ODU_SLOT_IND_DEBUG_LOG
693 DU_LOG("\n\nDEBUG --> PHY_STUB: Sending Slot Indication [%d : %d] to MAC", sfnValue, slotValue);
696 /* increment for the next TTI */
698 if(sfnValue >= MAX_SFN_VALUE && slotValue > MAX_SLOT_VALUE)
703 else if(slotValue > MAX_SLOT_VALUE)
708 fillMsgHeader(&slotIndMsg->header, FAPI_SLOT_INDICATION, \
709 sizeof(fapi_slot_ind_t) - sizeof(fapi_msg_t));
711 memset(&pst, 0, sizeof(Pst));
712 FILL_PST_PHY_STUB_TO_LWR_MAC(pst, EVT_PHY_STUB_SLOT_IND);
713 ODU_GET_MSG_BUF(pst.region, pst.pool, &mBuf);
716 DU_LOG("\nERROR --> PHY_STUB: Failed to allocate memory for slot indication buffer");
717 MAC_FREE_SHRABL_BUF(pst.region, pst.pool, slotIndMsg, sizeof(fapi_slot_ind_t));
720 CMCHKPK(oduPackPointer, (PTR)slotIndMsg, mBuf);
721 ODU_POST_TASK(&pst, mBuf);
727 /*******************************************************************
729 * @brief Handles start request received from MAC
733 * Function : l1HdlStartReq
736 * -Handles start request received from MAC
738 * @params[in] Message length
739 * config request message pointer
743 * ****************************************************************/
745 S16 l1HdlStartReq(uint32_t msgLen, void *msg)
748 if(lwrMacCb.phyState == PHY_STATE_CONFIGURED)
750 l1HdlSlotIndicaion(FALSE);
751 l1StartConsoleHandler();
752 MAC_FREE(msg, msgLen);
756 DU_LOG("\nINFO --> PHY_STUB: Received Start Req in PHY State %d", lwrMacCb.phyState);
757 MAC_FREE(msg, msgLen);
764 /*******************************************************************
766 * @brief Handles Dl Tti request received from MAC
770 * Function : l1HdlDlTtiReq
773 * -Handles Dl Tti request received from MAC
775 * @params[in] Message length
776 * Dl Tti request message pointer
780 * ****************************************************************/
782 S16 l1HdlDlTtiReq(uint16_t msgLen, void *msg)
785 p_fapi_api_queue_elem_t dlTtiElem = (p_fapi_api_queue_elem_t)msg;
786 fapi_dl_tti_req_t *dlTtiReq = (fapi_dl_tti_req_t *)(dlTtiElem +1);
788 uint8_t pduCount = 0;
790 #ifdef ODU_SLOT_IND_DEBUG_LOG
791 if(dlTtiReq->nPdus == 0)
793 DU_LOG("\nDEBUG --> PHY_STUB: No PDU in DL TTI Request");
797 DU_LOG("\nDEBUG --> PHY STUB: DL TTI Request at sfn=%d slot=%d",dlTtiReq->sfn,dlTtiReq->slot);
801 for(pduCount=0; pduCount<dlTtiReq->nPdus; pduCount++)
803 if(dlTtiReq->pdus[pduCount].pduType == 3) //SSB_PDU_TYPE
805 DU_LOG("\nINFO --> PHY_STUB: SSB PDU");
807 else if(dlTtiReq->pdus[pduCount].pduType == 0)
809 DU_LOG("\nINFO --> PHY_STUB: PDCCH PDU");
811 else if(dlTtiReq->pdus[pduCount].pduType == 1)
813 DU_LOG("\nINFO --> PHY_STUB: PDSCH PDU");
817 /* Free FAPI message */
818 MAC_FREE(msg, msgLen);
823 /*******************************************************************
825 * @brief Handles tx_data request received from MAC
829 * Function : l1HdlTxDataReq
832 * -Handles tx_data request received from MAC
834 * @params[in] Message length
835 * tx_data request message pointer
839 * ****************************************************************/
841 S16 l1HdlTxDataReq(uint16_t msgLen, void *msg)
844 p_fapi_api_queue_elem_t txDataElem = (p_fapi_api_queue_elem_t)msg;
845 fapi_tx_data_req_t *txDataReq = (fapi_tx_data_req_t *)(txDataElem +1);
847 DU_LOG("\nINFO --> PHY STUB: TX DATA Request at sfn=%d slot=%d",txDataReq->sfn,txDataReq->slot);
851 DU_LOG("\nINFO --> PHY_STUB: TxDataPdu for DED MSG sent");
855 MAC_FREE(msg, msgLen);
861 /*******************************************************************
863 * @brief Fills Uci Ind Pdu Info carried on Pucch Format 0/Format 1
867 * Function : fillPucchF0F1PduInfo
870 * Fills Uci Ind Pdu Info carried on Pucch Format 0/Format 1
872 * @params[in] fapi_uci_o_pucch_f0f1_t *
874 * @return ROK - success
877 * ****************************************************************/
878 uint8_t fillPucchF0F1PduInfo(fapi_uci_o_pucch_f0f1_t *pduInfo, fapi_ul_pucch_pdu_t pucchPdu)
882 pduInfo->handle = pucchPdu.handle;
883 pduInfo->pduBitmap = 1; //hardcoded for SR
884 pduInfo->pucchFormat = pucchPdu.formatType;
886 pduInfo->rnti = pucchPdu.rnti;
887 pduInfo->timingAdvance = 0;
889 if(pduInfo->pduBitmap & SR_PDU_BITMASK)
891 pduInfo->srInfo.srIndication = SR_DETECTED;
892 pduInfo->srInfo.srConfidenceLevel = CONFDC_LEVEL_GOOD;
894 if(pduInfo->pduBitmap & HARQ_PDU_BITMASK)
896 pduInfo->harqInfo.numHarq++;
897 pduInfo->harqInfo.harqConfidenceLevel = CONFDC_LEVEL_GOOD;
898 for(idx = 0; idx < pduInfo->harqInfo.numHarq; idx++)
900 pduInfo->harqInfo.harqValue[idx] = HARQ_PASS;
905 /*******************************************************************
907 * @brief Fills UCI Pdu Information
911 * Function : fillUciPduInfo
914 * Fills UCI Pdu Information
916 * @params[in] Pointer to uciPdu
918 * @return ROK - success
921 * ****************************************************************/
922 uint8_t fillUciPduInfo(fapi_uci_pdu_info_t *uciPdu, fapi_ul_pucch_pdu_t pucchPdu)
926 /*TODO: The pduType is hardcoded here to support
927 UCI Ind for PUCCH forat0/format1. This is to be
928 modified when we get SR form UE */
929 uciPdu->pduType = UCI_IND_PUCCH_F0F1;
930 switch(uciPdu->pduType)
934 case UCI_IND_PUCCH_F0F1:
936 fapi_uci_o_pucch_f0f1_t *pduInfo = NULLP;
938 pduInfo = &uciPdu->uci.uciPucchF0F1;
939 ret = fillPucchF0F1PduInfo(pduInfo, pucchPdu);
940 uciPdu->pduSize = sizeof(fapi_uci_o_pucch_f0f1_t);
943 case UCI_IND_PUCCH_F2F3F4:
946 DU_LOG("\nERROR --> PHY_STUB: Invalid Pdu Type %d", uciPdu->pduType);
952 /*******************************************************************
954 * @brief Build and send Uci indication
958 * Function : l1BuildAndSendUciInd
961 * Build and send Uci indication
965 * @return ROK - success
968 * ****************************************************************/
969 uint8_t l1BuildAndSendUciInd(uint16_t slot, uint16_t sfn, fapi_ul_pucch_pdu_t pucchPdu)
972 uint8_t nUciPdus = 0;
975 fapi_uci_indication_t *uciInd = NULLP;
977 MAC_ALLOC(uciInd, sizeof(fapi_uci_indication_t));
980 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for UCI Indication");
983 memset(uciInd, 0, sizeof(fapi_uci_indication_t));
986 uciInd->numUcis = 1; //consdering the UCI Ind for SR
987 nUciPdus = uciInd->numUcis;
990 ret = fillUciPduInfo(&uciInd->uciPdu[uciIdx], pucchPdu);
996 msgLen = sizeof(fapi_uci_indication_t)- sizeof(fapi_msg_t);
997 fillMsgHeader(&uciInd->header, FAPI_UCI_INDICATION, msgLen);
999 /* Sending UCI indication to MAC */
1000 DU_LOG("\nINFO --> PHY STUB: Sending UCI Indication to MAC");
1001 procPhyMessages(uciInd->header.msg_id, sizeof(fapi_uci_indication_t), (void *)uciInd);
1003 MAC_FREE(uciInd, sizeof(fapi_uci_indication_t));
1008 /*******************************************************************
1010 * @brief Handles Ul Tti request received from MAC
1014 * Function : l1HdlUlTtiReq
1017 * -Handles Ul Tti request received from MAC
1019 * @params[in] Message length
1020 * Ul Tti request message pointer
1024 * ****************************************************************/
1026 S16 l1HdlUlTtiReq(uint16_t msgLen, void *msg)
1029 p_fapi_api_queue_elem_t ulTtiElem = (p_fapi_api_queue_elem_t)msg;
1030 fapi_ul_tti_req_t *ulTtiReq = (fapi_ul_tti_req_t *)(ulTtiElem +1);
1031 uint8_t numPdus = ulTtiReq->nPdus;
1033 #ifdef ODU_SLOT_IND_DEBUG_LOG
1036 DU_LOG("\nINFO --> PHY STUB: No PDU received in UL TTI Req");
1040 DU_LOG("\nINFO --> PHY STUB: Received UL TTI Request");
1046 if(ulTtiReq->pdus[numPdus-1].pduType == 0)
1048 DU_LOG("\nINFO --> PHY STUB: PRACH PDU");
1050 if(ulTtiReq->pdus[numPdus-1].pduType == 1)
1052 DU_LOG("\nINFO --> PHY STUB: PUSCH PDU");
1053 l1BuildAndSendRxDataInd(ulTtiReq->slot, ulTtiReq->sfn, \
1054 ulTtiReq->pdus[numPdus-1].pdu.pusch_pdu);
1056 if(ulTtiReq->pdus[numPdus-1].pduType == 2)
1058 DU_LOG("\nINFO --> PHY STUB: PUCCH PDU");
1059 fapi_ul_tti_req_t ulTtiSlotInd;
1060 memset(&ulTtiSlotInd, 0, sizeof(fapi_ul_tti_req_t));
1061 ulTtiSlotInd.slot = ulTtiReq->slot;
1062 ulTtiSlotInd.sfn = ulTtiReq->sfn;
1063 ADD_DELTA_TO_TIME(ulTtiSlotInd, ulTtiSlotInd, SLOT_DELAY);
1064 l1BuildAndSendUciInd(ulTtiSlotInd.slot, ulTtiSlotInd.sfn, \
1065 ulTtiReq->pdus[numPdus-1].pdu.pucch_pdu);
1070 /* TODO: [SFN:SLOT] at which RACH Indication is sent should be calculated
1071 * based on PRACH cfg index */
1072 /* Send RACH Ind to L2 for first UE */
1073 if(phyDb.ueDb.ueCb[UE_IDX_0].rachIndSent == false && ulTtiReq->sfn == 16 && ulTtiReq->slot == 6)
1075 phyDb.ueDb.ueCb[UE_IDX_0].rachIndSent = true;
1076 l1BuildAndSendRachInd(ulTtiReq->slot, ulTtiReq->sfn);
1077 phyDb.ueDb.numActvUe++;
1080 /* Send RACH Ind to L2 for second UE */
1081 if(phyDb.ueDb.ueCb[UE_IDX_1].rachIndSent == false && ulTtiReq->sfn == 304 && ulTtiReq->slot == 0)
1083 phyDb.ueDb.ueCb[UE_IDX_1].rachIndSent = true;
1084 l1BuildAndSendRachInd(ulTtiReq->slot, ulTtiReq->sfn);
1085 phyDb.ueDb.numActvUe++;
1088 /* Send RACH Ind to L2 for third UE */
1089 if(phyDb.ueDb.ueCb[UE_IDX_2].rachIndSent == false && ulTtiReq->sfn == 526 && ulTtiReq->slot == 0)
1091 phyDb.ueDb.ueCb[UE_IDX_2].rachIndSent = true;
1092 l1BuildAndSendRachInd(ulTtiReq->slot, ulTtiReq->sfn);
1093 phyDb.ueDb.numActvUe++;
1096 MAC_FREE(msg, msgLen);
1101 /*******************************************************************
1103 * @brief Builds and Send the stop Indication message to MAC
1107 * Function : l1BuildAndSendStopInd
1110 * -Send the Stop indication Message to MAC
1115 * ****************************************************************/
1116 uint16_t l1BuildAndSendStopInd()
1120 Buffer *mBuf = NULLP;
1121 fapi_stop_ind_t *stopIndMsg = NULLP;
1122 uint32_t msgLen = 0;
1124 MAC_ALLOC_SHRABL_BUF(stopIndMsg, sizeof(fapi_stop_ind_t));
1127 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for stop Indication Message");
1132 fillMsgHeader(&stopIndMsg->header, FAPI_STOP_INDICATION, msgLen);
1133 DU_LOG("\n\nINFO --> PHY_STUB: Processing Stop indication to MAC");
1135 memset(&pst, 0, sizeof(Pst));
1136 FILL_PST_PHY_STUB_TO_LWR_MAC(pst, EVT_PHY_STUB_STOP_IND);
1137 ODU_GET_MSG_BUF(pst.region, pst.pool, &mBuf);
1140 DU_LOG("\nERROR --> PHY_STUB: Failed to allocate memory for slot indication buffer");
1141 MAC_FREE_SHRABL_BUF(pst.region, pst.pool, stopIndMsg, sizeof(fapi_stop_ind_t));
1144 CMCHKPK(oduPackPointer, (PTR)stopIndMsg, mBuf);
1145 ODU_POST_TASK(&pst, mBuf);
1151 /*******************************************************************
1153 * @brief Handles stop request received from MAC
1157 * Function : l1HdlStopReq
1160 * -Handles stop request received from MAC
1162 * @params[in] Message length
1163 * stop request message pointer
1167 * ****************************************************************/
1169 S16 l1HdlStopReq(uint32_t msgLen, void *msg)
1172 if(lwrMacCb.phyState == PHY_STATE_RUNNING)
1174 l1HdlSlotIndicaion(TRUE);
1176 /* Initialize all global variables */
1179 memset(&phyDb.ueDb, 0, sizeof(UeDb));
1181 DU_LOG("\nINFO --> PHY_STUB: Slot Indication is stopped successfully");
1182 MAC_FREE(msg, msgLen);
1186 DU_LOG("\nINFO --> PHY_STUB: Received Stop Req in PHY State %d", lwrMacCb.phyState);
1187 MAC_FREE(msg, msgLen);
1195 /*******************************************************************
1197 * @brief Build And Send Rx Data Ind for Msg5
1201 * Function : l1BuildAndSendMsg5
1203 * Functionality: Build And Send Rx Data Ind for Msg5
1207 * @return ROK - success
1210 * ****************************************************************/
1211 uint8_t l1BuildAndSendMsg5(uint16_t sfn, uint16_t slot)
1215 fapi_rx_data_indication_t *rxDataInd;
1216 fapi_pdu_ind_info_t *pduInfo;
1218 uint16_t byteIdx = 0;
1219 uint32_t msgLen = 0;
1221 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
1224 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Indication for msg5");
1227 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
1229 /* TODO: Fill the required values */
1230 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
1231 rxDataInd->sfn = sfn;
1232 rxDataInd->slot = slot;
1233 rxDataInd->numPdus = 1;
1235 pduInfo = &rxDataInd->pdus[idx];
1236 pduInfo->handle = 100;
1237 pduInfo->rnti = 100;
1238 pduInfo->harqId = 1;
1239 pduInfo->pdu_length = 25;
1240 pduInfo->ul_cqi = 0;
1241 pduInfo->timingAdvance = 0;
1244 /* Filling pdu with random values for testing */
1245 pduInfo->pduData = NULL;
1246 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
1247 if(!pduInfo->pduData)
1249 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Pdu");
1254 pdu = (uint8_t *)pduInfo->pduData;
1256 uint8_t msg5PduLen = 33;
1257 /* For RRC setup complete
1258 MAC subheader format is R/F/LCId/L (2/3 bytes)
1260 L is length of PDU i.e 6bytes here
1261 From 38.321 section 6.1.1
1263 uint8_t msg5[] = {1, msg5PduLen, 0, 0, 16, 0, 5, 223, 128, 16, 94, \
1264 64, 3, 64, 89, 61, 138, 64, 0, 0, 0, 4, 0, 0, 4, 68, 11, 128, \
1265 184, 56, 0, 0, 0, 0, 0};
1267 msg5PduLen += 2; /* 2bytes of header */
1268 memcpy(pdu, &msg5, msg5PduLen);
1269 byteIdx += msg5PduLen; /* 2 bytes of header */
1271 /* Filling MAC SDU for Padding bytes*/
1272 if(byteIdx < pduInfo->pdu_length)
1275 MAC subheader format is R/R/LCId (1byte)
1276 LCId is 63 for padding
1277 From 38.321 section 6.1.1
1279 pdu[byteIdx++] = 63;
1281 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
1284 msgLen += pduInfo->pdu_length;
1286 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
1288 /* Sending Rx data indication to MAC */
1289 DU_LOG("\nINFO --> PHY STUB: Sending Rx data Indication to MAC");
1290 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
1292 if(pduInfo->pdu_length)
1293 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1294 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1300 /*******************************************************************
1302 * @brief Handles Ul Dci request received from MAC
1306 * Function : l1HdlUlDciReq
1309 * -Handles Ul Dci request received from MAC
1311 * @params[in] Message length
1312 * Ul Dci request message pointer
1316 * ****************************************************************/
1318 S16 l1HdlUlDciReq(uint16_t msgLen, void *msg)
1321 p_fapi_api_queue_elem_t ulDciElem = (p_fapi_api_queue_elem_t)msg;
1322 fapi_ul_dci_req_t *ulDciReq = (fapi_ul_dci_req_t *)(ulDciElem +1);
1323 uint8_t numPdus = ulDciReq->numPdus;
1327 if(ulDciReq->pdus[numPdus-1].pduType == 0)
1329 DU_LOG("\nINFO --> PHY STUB: Received UL DCI Request for PDCCH PDU");
1330 //l1BuildAndSendMsg5(ulDciReq->sfn, ulDciReq->slot);
1336 MAC_FREE(msg, msgLen);
1341 /*******************************************************************
1343 * @brief Send UL user data to DU
1347 * Function : l1SendUlUserData
1349 * Functionality: Send UL user data to DU
1352 * @return ROK - success
1355 * ****************************************************************/
1356 uint8_t l1SendUlUserData(uint8_t drbId, uint8_t ueIdx)
1359 fapi_rx_data_indication_t *rxDataInd;
1360 fapi_pdu_ind_info_t *pduInfo;
1361 uint8_t *pdu = NULLP;
1362 uint16_t byteIdx = 0;
1363 uint32_t msgLen = 0;
1367 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
1370 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Indication");
1373 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
1375 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
1377 rxDataInd->slot = 0;
1378 rxDataInd->numPdus = 1;
1380 /* TODO : Fill pduInfo using PUSCH PDU. Currently hardcoding */
1381 pduInfo = &rxDataInd->pdus[idx];
1382 pduInfo->handle = ueIdx + ODU_START_CRNTI;
1383 pduInfo->rnti = ueIdx + ODU_START_CRNTI;
1384 pduInfo->harqId = 1;
1385 /* Since user data size = 50bytes and 2 bytes of MAC header and 3 byte of RLC header,
1386 * setting tbsize = 56 from Table 5.1.3.2-1 spec 38.214 */
1387 pduInfo->pdu_length = 56;
1388 pduInfo->ul_cqi = 0;
1389 pduInfo->timingAdvance = 0;
1392 /* Filling pdu with random values for testing */
1393 pduInfo->pduData = NULL;
1394 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
1395 if(!pduInfo->pduData)
1397 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Pdu");
1402 pdu = (uint8_t *)pduInfo->pduData;
1406 MAC subheader format is R/F/LCId/L (2/3 bytes)
1408 L is length of PDU i.e 50 bytes
1409 From 38.321 section 6.1.1
1410 From 38.322 section 6.2.2.4, 6.2.2.3 for AM, UM Header
1413 /* Below ulMsg supports 12bit SN for UM mode */
1415 lcId = MIN_DRB_LCID + drbId;
1416 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,
1417 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};
1418 msgLen += 2; /* 2bytes of header */
1419 memcpy(pdu, &ulMsg, msgLen);
1420 byteIdx += msgLen; /* 2 bytes of header */
1422 /* Filling MAC SDU for Padding bytes*/
1423 if(byteIdx < pduInfo->pdu_length)
1426 MAC subheader format is R/R/LCId (1byte)
1427 LCId is 63 for padding
1428 From 38.321 section 6.1.1
1430 pdu[byteIdx++] = 63;
1432 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
1435 msgLen += pduInfo->pdu_length;
1437 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
1439 /* Send Message to peer */
1440 while(cnt < NUM_UL_PACKETS)
1442 DU_LOG("\nDEBUG --> PHY STUB : Sending UL User Data[%d][LCID:%d] at sfn %d slot %d", cnt+1, lcId, sfnValue, slotValue);
1443 /* Sending Rx data indication to MAC */
1444 rxDataInd->sfn = sfnValue;
1445 rxDataInd->slot = slotValue;
1446 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
1450 if(pduInfo->pdu_length)
1451 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1452 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1456 /*******************************************************************
1458 * @brief Sends RLC Status PDU to DU
1462 * Function : l1SendStatusPdu
1464 * Functionality: Send RLC Status PDU to DU
1467 * @return ROK - success
1470 * ****************************************************************/
1471 uint8_t l1SendStatusPdu()
1473 fapi_rx_data_indication_t *rxDataInd;
1474 fapi_pdu_ind_info_t *pduInfo;
1475 uint8_t *pdu = NULLP;
1476 uint16_t byteIdx = 0;
1477 uint32_t msgLen = 0;
1480 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
1483 printf("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Indication");
1486 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
1488 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
1490 rxDataInd->slot = 0;
1491 rxDataInd->numPdus = 1;
1493 /* TODO : Fill pduInfo using PUSCH PDU. Currently hardcoding */
1494 pduInfo = &rxDataInd->pdus[idx];
1495 pduInfo->handle = 100;
1496 pduInfo->rnti = 100;
1497 pduInfo->harqId = 1;
1498 /* Since status pdu size = 3bytes and 2 bytes of MAC header,
1499 * setting tbsize = 24 from Table 5.1.3.2-1 spec 38.214 */
1500 pduInfo->pdu_length = 24;
1501 pduInfo->ul_cqi = 0;
1502 pduInfo->timingAdvance = 0;
1505 /* Filling pdu with random values for testing */
1506 pduInfo->pduData = NULL;
1507 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
1508 if(!pduInfo->pduData)
1510 printf("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Pdu");
1515 pdu = (uint8_t *)pduInfo->pduData;
1518 /* For RLC Status PDU
1519 * MAC subheader format is R/F/LCId/L (2/3 bytes)
1520 * LCId is 4 for DRB1
1521 * L is length of Status PDU i.e 3 bytes
1522 * From 38.321 section 6.1.1
1524 * RLC Status PDU format :
1525 * ---------------------------------
1526 * |D/C|CPT| ACK_SN |
1527 * ---------------------------------
1529 * ---------------------------------
1530 * |E1 | R | R | R | R | R | R | R |
1531 * ---------------------------------
1533 * Here, D/C bit = 0 for Control PDU
1534 * CPT bit = 0 since control pdu type is Status PDU
1535 * ACK_SN = 0 as of now, this can be changed based on the
1536 * scenario being tested
1537 * E1 = 0 because no NACK_SN, E1, E2 and E3 follows it
1538 * R = 0 i.e. reserved bits
1539 * From Spec 38.322 section 6.2.2.5
1541 uint8_t statusPdu[] = {4, msgLen, 0, 0, 0};
1542 msgLen += 2; /* 2bytes of header */
1543 memcpy(pdu, &statusPdu, msgLen);
1544 byteIdx += msgLen; /* 2 bytes of header */
1547 /* Filling MAC SDU for Padding bytes*/
1548 if(byteIdx < pduInfo->pdu_length)
1551 MAC subheader format is R/R/LCId (1byte)
1552 LCId is 63 for padding
1553 From 38.321 section 6.1.1
1555 pdu[byteIdx++] = 63;
1557 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
1560 msgLen += pduInfo->pdu_length;
1562 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
1564 /* Send Message to peer */
1565 DU_LOG("\nDEBUG --> PHY STUB : Sending RLC status pdu at sfn %d slot %d", sfnValue, slotValue);
1566 /* Sending Rx data indication to MAC */
1567 rxDataInd->sfn = sfnValue;
1568 rxDataInd->slot = slotValue;
1569 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
1571 if(pduInfo->pdu_length)
1572 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1573 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1577 /*******************************************************************
1579 * @brief Receives message from MAC
1583 * Function : l1ProcessFapiRequest
1586 * - Receives message from MAC and calls handler
1588 * @params[in] Message type
1594 * ****************************************************************/
1596 void l1ProcessFapiRequest(uint8_t msgType, uint32_t msgLen, void *msg)
1601 case FAPI_PARAM_REQUEST:
1602 l1HdlParamReq(msgLen, msg);
1604 case FAPI_CONFIG_REQUEST:
1605 l1HdlConfigReq(msgLen, msg);
1607 case FAPI_START_REQUEST:
1608 l1HdlStartReq(msgLen, msg);
1610 case FAPI_DL_TTI_REQUEST:
1611 l1HdlDlTtiReq(msgLen, msg);
1613 case FAPI_TX_DATA_REQUEST:
1614 l1HdlTxDataReq(msgLen, msg);
1616 case FAPI_UL_TTI_REQUEST:
1617 l1HdlUlTtiReq(msgLen, msg);
1619 case FAPI_STOP_REQUEST:
1620 l1HdlStopReq(msgLen, msg);
1622 case FAPI_UL_DCI_REQUEST:
1623 l1HdlUlDciReq(msgLen, msg);
1626 DU_LOG("\nERROR --> PHY_STUB: Invalid message type[%x] received at PHY", msgType);
1633 /*******************************************************************
1635 * @brief Builds and Send the BSR message to MAC
1639 * Function : l1BuildAndSendBSR
1642 * -Send the BSR Message to MAC
1644 * @params[in] BSR type
1645 * array of LCGID and BSIdx
1648 *****************************************************************/
1649 uint16_t l1BuildAndSendBSR(uint8_t ueIdx, BsrType bsrType,\
1650 LcgBufferSize lcgBsIdx[MAX_NUM_LOGICAL_CHANNEL_GROUPS])
1652 fapi_rx_data_indication_t *rxDataInd;
1653 fapi_pdu_ind_info_t *pduInfo;
1654 uint8_t *pdu = NULLP;
1655 uint16_t byteIdx = 0;
1656 uint32_t msgLen = 0;
1657 uint8_t pduIdx = 0, lcgIdx = 0, lcgIdxPos = 0;
1659 MAC_ALLOC(rxDataInd, sizeof(fapi_rx_data_indication_t));
1662 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Indication");
1665 memset(rxDataInd, 0, sizeof(fapi_rx_data_indication_t));
1667 msgLen = sizeof(fapi_rx_data_indication_t) - sizeof(fapi_msg_t);
1669 rxDataInd->slot = 0;
1670 rxDataInd->numPdus = 1;
1672 pduInfo = &rxDataInd->pdus[pduIdx];
1673 pduInfo->handle = (ODU_START_CRNTI + ueIdx);
1674 pduInfo->rnti = (ODU_START_CRNTI + ueIdx);
1675 pduInfo->harqId = 1;
1677 /* Since status pdu size = 3bytes and 2 bytes of MAC header,
1678 * setting tbsize = 24 from Table 5.1.3.2-1 spec 38.214 */
1679 pduInfo->pdu_length = 24;
1680 pduInfo->ul_cqi = 0;
1681 pduInfo->timingAdvance = 0;
1684 /* Filling pdu with random values for testing */
1685 pduInfo->pduData = NULL;
1686 MAC_ALLOC(pduInfo->pduData, pduInfo->pdu_length);
1687 if(!pduInfo->pduData)
1689 DU_LOG("\nERROR --> PHY_STUB: Memory allocation failed for Rx Data Pdu");
1690 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1695 pdu = (uint8_t *)pduInfo->pduData;
1701 DU_LOG("\nDEBUG --> PHY_STUB: Forming SHORT BSR PDU ");
1704 * MAC subheader format is R/R/LcId (1Byte)
1706 * From 38.321 section 6.1.1
1708 pdu[byteIdx++] = 61; // LCID
1709 pdu[byteIdx++] = (lcgBsIdx[0].lcgId << 5) | lcgBsIdx[0].bsIdx;
1715 DU_LOG("\nDEBUG --> PHY_STUB: Forming LONG BSR PDU ");
1718 * MAC subheader format is R/R/LcId (1Byte)
1720 * From 38.321 section 6.1.1
1722 pdu[byteIdx++] = 62; // LCID
1724 /*Octet where lcgId bitmap will be present*/
1725 lcgIdxPos = byteIdx;
1727 for(lcgIdx = 0; lcgIdx < MAX_NUM_LOGICAL_CHANNEL_GROUPS; lcgIdx++)
1729 if(lcgBsIdx[lcgIdx].bsIdx > 0)
1731 pdu[lcgIdxPos] |= 1 << lcgBsIdx[lcgIdx].lcgId;
1732 pdu[byteIdx++] = lcgBsIdx[lcgIdx].bsIdx;
1741 DU_LOG("\nERROR --> PHY_STUB: Incorrect BSR type:%d!", bsrType);
1742 if(pduInfo->pdu_length)
1743 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1744 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1748 /* Filling MAC SDU for Padding bytes*/
1749 if(byteIdx < pduInfo->pdu_length)
1752 * MAC subheader format is R/R/LCId (1byte)
1753 * LCId is 63 for padding
1754 * From 38.321 section 6.1.1
1756 pdu[byteIdx++] = 63;
1758 for(; byteIdx < pduInfo->pdu_length; byteIdx++)
1761 msgLen += pduInfo->pdu_length;
1762 fillMsgHeader(&rxDataInd->header, FAPI_RX_DATA_INDICATION, msgLen);
1764 /* Sending Rx data indication to MAC */
1765 DU_LOG("\nINFO --> PHY STUB: Sending Rx data Indication to MAC");
1766 procPhyMessages(rxDataInd->header.msg_id, sizeof(fapi_rx_data_indication_t), (void *)rxDataInd);
1768 if(pduInfo->pdu_length)
1769 MAC_FREE(pduInfo->pduData, pduInfo->pdu_length);
1770 MAC_FREE(rxDataInd, sizeof(fapi_rx_data_indication_t));
1775 /**********************************************************************
1777 **********************************************************************/