src/phy_stub/l1_bdy1.c

   1 /*******************************************************************************
   2 ################################################################################
   3 #   Copyright (c) [2017-2019] [Radisys]                                        #
   4 #                                                                              #
   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                                    #
   8 #                                                                              #
   9 #       http://www.apache.org/licenses/LICENSE-2.0                             #
  10 #                                                                              #
  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 *******************************************************************************/
  18
  19 /*This file contains stub for PHY to handle messages to/from MAC CL */
  20
  21 #include <stdint.h>
  22
  23 #include "envdep.h"
  24 #include "gen.h"
  25 #include "ssi.h"
  26
  27 #include "gen.x"
  28 #include "ssi.x"
  29
  30 #include "lwr_mac.h"
  31 #include "lwr_mac_phy.h"
  32 #ifdef FAPI
  33 #include "fapi.h"
  34 #endif
  35 #include "lphy_stub.h"
  36 #include "stdbool.h"
  37 #include "du_log.h"
  38 #include "rg.h"
  39
  40 #define MAX_SLOT_VALUE   9
  41 #define MAX_SFN_VALUE    1023
  42 #define NR_PCI            1
  43
  44 uint16_t sfnValue = 0;
  45 uint16_t slotValue = 0;
  46 bool     rachIndSent = false;
  47
  48 EXTERN void phyToMac ARGS((uint16_t msgType, uint32_t msgLen,void *msg));
  49 #ifdef FAPI
  50 EXTERN void fillTlvs ARGS((fapi_uint16_tlv_t *tlv, uint16_t tag, uint16_t
  51 length, uint16_t value, uint32_t *msgLen));
  52 EXTERN void fillMsgHeader ARGS((fapi_msg_t *hdr, uint16_t msgType, uint16_t msgLen));
  53 #endif
  54 EXTERN void handlePhyMessages(uint16_t msgType, uint32_t msgSize, void *msg);
  55
  56 /*******************************************************************
  57  *
  58  * @brief Builds and sends param response to MAC CL
  59  *
  60  * @details
  61  *
  62  *    Function : l1BldAndSndParamRsp
  63  *
  64  *    Functionality:
  65  *          - Builds and sends param response to MAC
  66  *
  67  * @params[in] Config request message pointer
  68  * @return ROK     - success
  69  *         RFAILED - failure
  70  *
  71  * ****************************************************************/
  72 S16 l1BldAndSndParamRsp(void *msg)
  73 {
  74 #ifdef FAPI
  75    uint8_t index = 0;
  76    uint32_t msgLen = 0;
  77         fapi_param_resp_t *fapiParamRsp = (fapi_param_resp_t *)msg;
  78
  79   /* Cell Params */
  80   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_RELEASE_CAPABILITY_TAG,                          sizeof(uint16_t), 1, &msgLen);
  81   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PHY_STATE_TAG,                                   sizeof(uint16_t), 0, &msgLen);
  82   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_SKIP_BLANK_DL_CONFIG_TAG,                        sizeof(uint8_t),  0, &msgLen);
  83   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_SKIP_BLANK_UL_CONFIG_TAG,                        sizeof(uint8_t),  0, &msgLen);
  84   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_NUM_CONFIG_TLVS_TO_REPORT_TYPE_TAG,              sizeof(uint8_t),  0, &msgLen);
  85
  86   /* Carrier Params */
  87   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_CYCLIC_PREFIX_TAG,                               sizeof(uint8_t),  1, &msgLen);
  88   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_SUPPORTED_SUBCARRIER_SPACING_DL_TAG,             sizeof(uint8_t),  1, &msgLen);
  89   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_SUPPORTED_BANDWIDTH_DL_TAG,                      sizeof(uint16_t), 1, &msgLen);
  90   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_SUPPORTED_SUBCARRIER_SPACING_UL_TAG,             sizeof(uint8_t),  0, &msgLen);
  91   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_SUPPORTED_BANDWIDTH_UL_TAG,                      sizeof(uint16_t), 0, &msgLen);
  92
  93   /* PDCCH Param*/
  94   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_CCE_MAPPING_TYPE_TAG,                            sizeof(uint8_t), 0, &msgLen);
  95   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_CORESET_OUTSIDE_FIRST_3_OFDM_SYMS_OF_SLOT_TAG,   sizeof(uint8_t), 0, &msgLen);
  96   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PRECODER_GRANULARITY_CORESET_TAG,                sizeof(uint8_t), 0, &msgLen);
  97   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDCCH_MU_MIMO_TAG,                               sizeof(uint8_t), 0, &msgLen);
  98   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDCCH_PRECODER_CYCLING_TAG,                      sizeof(uint8_t), 0, &msgLen);
  99   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_MAX_PDCCHS_PER_SLOT_TAG,                         sizeof(uint8_t), 0, &msgLen);
 100
 101   /* PUCCH Param */
 102   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUCCH_FORMATS_TAG,                               sizeof(uint8_t), 0, &msgLen);
 103   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_MAX_PUCCHS_PER_SLOT_TAG,                         sizeof(uint8_t), 0, &msgLen);
 104
 105   /* PDSCH Param */
 106   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDSCH_MAPPING_TYPE_TAG,                          sizeof(uint8_t), 0, &msgLen);
 107   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDSCH_ALLOCATION_TYPES_TAG,                      sizeof(uint8_t), 0, &msgLen);
 108   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDSCH_VRB_TO_PRB_MAPPING_TAG,                    sizeof(uint8_t), 0, &msgLen);
 109   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDSCH_CBG_TAG,                                   sizeof(uint8_t), 0, &msgLen);
 110   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDSCH_DMRS_CONFIG_TYPES_TAG,                     sizeof(uint8_t), 0, &msgLen);
 111   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDSCH_DMRS_MAX_LENGTH_TAG,                       sizeof(uint8_t), 0, &msgLen);
 112   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDSCH_DMRS_ADDITIONAL_POS_TAG,                   sizeof(uint8_t), 0, &msgLen);
 113   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_MAX_PDSCHS_TBS_PER_SLOT_TAG,                     sizeof(uint8_t), 0, &msgLen);
 114   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_MAX_NUMBER_MIMO_LAYERS_PDSCH_TAG,                sizeof(uint8_t), 0, &msgLen);
 115   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_SUPPORTED_MAX_MODULATION_ORDER_DL_TAG,           sizeof(uint8_t), 0, &msgLen);
 116   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_MAX_MU_MIMO_USERS_DL_TAG,                        sizeof(uint8_t), 0, &msgLen);
 117   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDSCH_DATA_IN_DMRS_SYMBOLS_TAG,                  sizeof(uint8_t), 0, &msgLen);
 118   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PREMPTIONSUPPORT_TAG,                            sizeof(uint8_t), 0, &msgLen);
 119   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDSCH_NON_SLOT_SUPPORT_TAG,                      sizeof(uint8_t), 0, &msgLen);
 120
 121   /* PUSCH Param */
 122   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_UCI_MUX_ULSCH_IN_PUSCH_TAG,                      sizeof(uint8_t), 0, &msgLen);
 123   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_UCI_ONLY_PUSCH_TAG,                              sizeof(uint8_t), 0, &msgLen);
 124   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUSCH_FREQUENCY_HOPPING_TAG,                     sizeof(uint8_t), 0, &msgLen);
 125   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUSCH_DMRS_CONFIG_TYPES_TAG,                     sizeof(uint8_t), 0, &msgLen);
 126   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUSCH_DMRS_MAX_LEN_TAG,                          sizeof(uint8_t), 0, &msgLen);
 127   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUSCH_DMRS_ADDITIONAL_POS_TAG,                   sizeof(uint8_t), 0, &msgLen);
 128   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUSCH_CBG_TAG,                                   sizeof(uint8_t), 0, &msgLen);
 129   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUSCH_MAPPING_TYPE_TAG,                          sizeof(uint8_t), 0, &msgLen);
 130   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUSCH_ALLOCATION_TYPES_TAG,                      sizeof(uint8_t), 0, &msgLen);
 131   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUSCH_VRB_TO_PRB_MAPPING_TAG,                    sizeof(uint8_t), 0, &msgLen);
 132   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUSCH_MAX_PTRS_PORTS_TAG,                        sizeof(uint8_t), 0, &msgLen);
 133   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_MAX_PDUSCHS_TBS_PER_SLOT_TAG,                    sizeof(uint8_t), 0, &msgLen);
 134   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_MAX_NUMBER_MIMO_LAYERS_NON_CB_PUSCH_TAG,         sizeof(uint8_t), 0, &msgLen);
 135   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_SUPPORTED_MODULATION_ORDER_UL_TAG,               sizeof(uint8_t), 0, &msgLen);
 136   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_MAX_MU_MIMO_USERS_UL_TAG,                        sizeof(uint8_t), 0, &msgLen);
 137   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_DFTS_OFDM_SUPPORT_TAG,                           sizeof(uint8_t), 0, &msgLen);
 138   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUSCH_AGGREGATION_FACTOR_TAG,                    sizeof(uint8_t), 0, &msgLen);
 139
 140   /* PRACH Params */
 141   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PRACH_LONG_FORMATS_TAG,                          sizeof(uint8_t), 0, &msgLen);
 142   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PRACH_SHORT_FORMATS_TAG,                         sizeof(uint8_t), 0, &msgLen);
 143   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PRACH_RESTRICTED_SETS_TAG,                       sizeof(uint8_t), 0, &msgLen);
 144   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_MAX_PRACH_FD_OCCASIONS_IN_A_SLOT_TAG,            sizeof(uint8_t), 0, &msgLen);
 145
 146   /* MEASUREMENT TAG */
 147   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_RSSI_MEASUREMENT_SUPPORT_TAG,                    sizeof(uint8_t), 0, &msgLen);
 148
 149   fapiParamRsp->number_of_tlvs = index;
 150   msgLen = msgLen + sizeof(fapi_param_resp_t);
 151
 152   fillMsgHeader(&fapiParamRsp->header, FAPI_PARAM_RESPONSE, msgLen);
 153   fapiParamRsp->error_code = MSG_OK;
 154   DU_LOG("\nPHY_STUB: Sending Param Request to Lower Mac");
 155   handlePhyMessages(fapiParamRsp->header.message_type_id, sizeof(fapi_param_resp_t), (void *)fapiParamRsp);
 156 #endif
 157   return ROK;
 158 }
 159
 160 /*******************************************************************
 161  *
 162  * @brief Builds and sends config response to lower mac
 163  *
 164  * @details
 165  *
 166  *    Function : l1BldAndSndConfigRsp
 167  *
 168  *    Functionality:
 169  *          - Builds and sends config response to MAC
 170  *
 171  * @params[in] Config request message pointer
 172  * @return ROK     - success
 173  *         RFAILED - failure
 174  *
 175  * ****************************************************************/
 176
 177 S16 l1BldAndSndConfigRsp(void *msg)
 178 {
 179 #ifdef FAPI
 180    uint32_t msgLen = 0;
 181    fapi_config_resp_t *fapiConfigRsp = (fapi_config_resp_t *)msg;
 182
 183    if(fapiConfigRsp != NULL)
 184    {
 185       fapiConfigRsp->number_of_invalid_tlvs = NULLP;
 186       fapiConfigRsp->number_of_inv_tlvs_idle_only = NULLP;
 187       fapiConfigRsp->number_of_missing_tlvs = NULLP;
 188       fapiConfigRsp->error_code = MSG_OK;
 189       msgLen += sizeof(fapi_config_resp_t);
 190       fillMsgHeader(&fapiConfigRsp->header, FAPI_CONFIG_RESPONSE, msgLen);
 191       DU_LOG("\nPHY_STUB: Sending Config Response to Lower Mac");
 192       handlePhyMessages(fapiConfigRsp->header.message_type_id, sizeof(fapi_config_resp_t), (void *)fapiConfigRsp);
 193       return ROK;
 194    }
 195 #else
 196    return ROK;
 197 #endif
 198 }
 199 /*******************************************************************
 200  *
 201  * @brief Handles param request received from MAC
 202  *
 203  * @details
 204  *
 205  *    Function : l1HdlParamReq
 206  *
 207  *    Functionality:
 208  *          -Handles param request received from MAC
 209  *
 210  * @params[in]   Message length
 211  *               Param request message pointer
 212  *
 213  * @return void
 214  *
 215  * ****************************************************************/
 216
 217 PUBLIC void l1HdlParamReq(uint32_t msgLen, void *msg)
 218 {
 219    DU_LOG("\nPHY_STUB: Received Param Request in PHY");
 220    /* Handling PARAM RESPONSE */
 221    if(l1BldAndSndParamRsp(msg)!= ROK)
 222    {
 223       DU_LOG("\nPHY_STUB: Failed Sending Param Response");
 224    }
 225 }
 226
 227 /*******************************************************************
 228  *
 229  * @brief Handles config request received from MAC
 230  *
 231  * @details
 232  *
 233  *    Function : l1HdlConfigReq
 234  *
 235  *    Functionality:
 236  *          -Handles config request received from MAC
 237  *
 238  * @params[in]   Message length
 239  *               config request message pointer
 240  *
 241  * @return void
 242  *
 243  * ****************************************************************/
 244
 245 PUBLIC void l1HdlConfigReq(uint32_t msgLen, void *msg)
 246 {
 247    DU_LOG("\nPHY_STUB: Received Config Request in PHY");
 248
 249    /* Handling CONFIG RESPONSE */
 250    if(l1BldAndSndConfigRsp(msg)!= ROK)
 251    {
 252       printf("\nPHY_STUB: Failed Sending config Response");
 253    }
 254 }
 255
 256
 257 /*******************************************************************
 258  *
 259  * @brief Builds and Sends RACH indication to MAC
 260  *
 261  * @details
 262  *
 263  *    Function : l1BuildAndSendRachInd
 264  *
 265  *    Functionality:
 266  *      Builds and Sends RACH indication to MAC
 267  *
 268  * @params[in] SFN value
 269  *             slot value
 270  * @return ROK     - success
 271  *         RFAILED - failure
 272  *
 273  * ****************************************************************/
 274 uint16_t l1BuildAndSendRachInd(uint16_t slot, uint16_t sfn)
 275 {
 276 #ifdef FAPI
 277    uint8_t   rachPduIdx = 0;
 278    uint8_t   preamIdx = 0;
 279    fapi_rach_pdu_t  *rachPdu;
 280    fapi_rach_indication_t  *rachInd;
 281
 282    /* Building RACH indication */
 283    if(SGetSBuf(0, 0, (Data **)&rachInd, sizeof(fapi_rach_indication_t)) != ROK)
 284    {
 285       printf("\nPHY_STUB: Memory allocation failed for Rach Indication Message");
 286       return RFAILED;
 287    }
 288
 289    rachInd->sfn = sfn;
 290    rachInd->slot = slot;
 291    rachInd->numPdus = 1;
 292
 293    rachPdu = &rachInd->rachPdu[rachPduIdx];
 294    rachPdu->physCellId = NR_PCI;
 295    rachPdu->symbolIndex = 0;
 296    rachPdu->slotIndex = slot;
 297    rachPdu->freqIndex = 0;
 298    rachPdu->avgRssi = 0;
 299    rachPdu->avgSnr = 0;
 300    rachPdu->numPreamble = 1;
 301
 302    rachPdu->preambleInfo[preamIdx].preambleIndex = 3;
 303    rachPdu->preambleInfo[preamIdx].timingAdvance = 0;
 304    rachPdu->preambleInfo[preamIdx].premblePwr = 0;
 305
 306    fillMsgHeader(&rachInd->header, FAPI_RACH_INDICATION, \
 307       sizeof(fapi_rach_indication_t));
 308
 309    /* Sending RACH indication to MAC */
 310    DU_LOG("\nPHY STUB: Sending RACH Indication to MAC");
 311    handlePhyMessages(rachInd->header.message_type_id, sizeof(fapi_rach_indication_t), (void *)rachInd);
 312    SPutSBuf(0, 0, (Data *)rachInd, sizeof(fapi_rach_indication_t));
 313 #endif
 314    return ROK;
 315 }
 316
 317 /*******************************************************************
 318  *
 319  * @brief Builds and Send the Slot Indication message to MAC
 320  *
 321  * @details
 322  *
 323  *    Function : l1BuildAndSendSlotIndication
 324  *
 325  *    Functionality:
 326  *          -Send the Slot indication Message to MAC
 327  *
 328  * @params[in]   Message length
 329  *               config request message pointer
 330  *
 331  * @return void
 332  *
 333  * ****************************************************************/
 334 PUBLIC uint16_t l1BuildAndSendSlotIndication()
 335 {
 336 #ifdef FAPI
 337    fapi_slot_ind_t *slotIndMsg;
 338    if(SGetSBuf(0, 0, (Data **)&slotIndMsg, sizeof(slotIndMsg)) != ROK)
 339    {
 340        DU_LOG("\nPHY_STUB: Memory allocation failed for slot Indication Message");
 341        return RFAILED;
 342    }
 343    else
 344    {
 345       slotValue++;
 346       if(sfnValue > MAX_SFN_VALUE && slotValue > MAX_SLOT_VALUE)
 347       {
 348          sfnValue = 0;
 349          slotValue = 0;
 350       }
 351       else if(slotValue > MAX_SLOT_VALUE)
 352       {
 353          sfnValue++;
 354          slotValue = 0;
 355       }
 356       slotIndMsg->sfn = sfnValue;
 357       slotIndMsg->slot = slotValue;
 358       fillMsgHeader(&slotIndMsg->header, FAPI_SLOT_INDICATION, sizeof(fapi_slot_ind_t));
 359       DU_LOG("\nPHY_STUB: [%d:%d] ",sfnValue,slotValue);
 360       handlePhyMessages(slotIndMsg->header.message_type_id, sizeof(fapi_slot_ind_t), (void*)slotIndMsg);
 361       SPutSBuf(0, 0, (Data *)slotIndMsg, sizeof(slotIndMsg));
 362    }
 363 #endif
 364    return ROK;
 365 }
 366
 367 /*******************************************************************
 368  *
 369  * @brief Handles start request received from MAC
 370  *
 371  * @details
 372  *
 373  *    Function : l1HdlStartReq
 374  *
 375  *    Functionality:
 376  *          -Handles start request received from MAC
 377  *
 378  * @params[in]   Message length
 379  *               config request message pointer
 380  *
 381  * @return void
 382  *
 383  * ****************************************************************/
 384
 385 PUBLIC S16 l1HdlStartReq(uint32_t msgLen, void *msg)
 386 {
 387    if(clGlobalCp.phyState == PHY_STATE_CONFIGURED)
 388    {
 389       duStartSlotIndicaion();
 390 #ifdef FAPI
 391       SPutSBuf(0, 0, (Data *)msg, sizeof(fapi_start_req_t));
 392 #endif
 393       return ROK;
 394    }
 395    else
 396    {
 397       DU_LOG("\nPHY_STUB: Received Start Req in PHY State %d", clGlobalCp.phyState);
 398       return RFAILED;
 399    }
 400 }
 401
 402 /*******************************************************************
 403 *
 404 * @brief Handles Dl Tti request received from MAC
 405 *
 406 * @details
 407 *
 408 *    Function : l1HdlDlTtiReq
 409 *
 410 *    Functionality:
 411 *          -Handles Dl Tti request received from MAC
 412 *
 413 * @params[in]   Message length
 414 *               Dl Tti request message pointer
 415 *
 416 * @return void
 417 *
 418 * ****************************************************************/
 419
 420 PUBLIC S16 l1HdlDlTtiReq(uint16_t msgLen, void *msg)
 421 {
 422 #ifdef FAPI
 423    fapi_dl_tti_req_t *dlTtiReq;
 424    dlTtiReq = (fapi_dl_tti_req_t *)msg;
 425
 426    printf("\nPHY STUB: Received DL TTI Request");
 427 #if 0
 428    printf("\nPHY_STUB:  SFN     %d", dlTtiReq->sfn);
 429    printf("\nPHY_STUB:  SLOT    %d", dlTtiReq->slot);
 430    printf("\nPHY_STUB:  nPdus   %d", dlTtiReq->nPdus);
 431    printf("\nPHY_STUB:  nGroup  %d", dlTtiReq->nGroup);
 432    /* Printing SSB CONFIGURED VALUES */
 433    printf("\nPHY_STUB: physCellId   %d", dlTtiReq->pdus->u.ssb_pdu.physCellId);
 434    printf("\nPHY_STUB: betaPss      %d", dlTtiReq->pdus->u.ssb_pdu.betaPss);
 435    printf("\nPHY_STUB: ssbBlockIndex %d",       dlTtiReq->pdus->u.ssb_pdu.ssbBlockIndex);
 436    printf("\nPHY_STUB: ssbSubCarrierOffset %d", dlTtiReq->pdus->u.ssb_pdu.ssbSubCarrierOffset);
 437    printf("\nPHY_STUB: ssbOffsetPointA     %d", dlTtiReq->pdus->u.ssb_pdu.ssbOffsetPointA);
 438    printf("\nPHY_STUB: bchPayloadFlag      %d", dlTtiReq->pdus->u.ssb_pdu.bchPayloadFlag);
 439    printf("\nPHY_STUB: bchPayload          %x", dlTtiReq->pdus->u.ssb_pdu.bchPayload);
 440 #endif
 441    uint8_t numPdus = dlTtiReq->nPdus;
 442         if(numPdus == 0)
 443         {
 444                 DU_LOG("\nPHY_STUB: No PDU in DL TTI Request");
 445    }
 446         while(numPdus)
 447         {
 448                 if(dlTtiReq->pdus->pduType == 3) //SSB_PDU_TYPE
 449                         DU_LOG("\nPHY_STUB: SSB PDU");
 450                 else if(dlTtiReq->pdus->pduType == 0)
 451                         DU_LOG("\nPHY_STUB: SIB1 PDCCH PDU");
 452                 else if(dlTtiReq->pdus->pduType == 1)
 453                    DU_LOG("\nPHY_STUB: SIB1 PDSCH PDU");
 454
 455                 numPdus--;
 456         }
 457    MAC_FREE(dlTtiReq, sizeof(fapi_dl_tti_req_t));
 458 #endif
 459    return ROK;
 460 }
 461
 462 /*******************************************************************
 463 *
 464 * @brief Handles Ul Tti request received from MAC
 465 *
 466 * @details
 467 *
 468 *    Function : l1HdlUlTtiReq
 469 *
 470 *    Functionality:
 471 *          -Handles Ul Tti request received from MAC
 472 *
 473 * @params[in]   Message length
 474 *               Ul Tti request message pointer
 475 *
 476 * @return void
 477 *
 478 * ****************************************************************/
 479
 480 PUBLIC S16 l1HdlUlTtiReq(uint16_t msgLen, void *msg)
 481 {
 482 #ifdef FAPI
 483    fapi_ul_tti_req_t *ulTtiReq;
 484
 485    DU_LOG("\nPHY STUB: Received UL TTI Request");
 486
 487    ulTtiReq = (fapi_ul_tti_req_t *)msg;
 488    uint8_t numPdus = ulTtiReq->nPdus;
 489
 490         if(numPdus == 0)
 491         {
 492                 DU_LOG("\nPHY STUB: No PDU in UL TTI");
 493    }
 494         while(numPdus)
 495         {
 496                 if(ulTtiReq->pdus->pduType == 0)
 497                         DU_LOG("\nPHY STUB: PRACH PDU");
 498                 numPdus--;
 499         }
 500    if(rachIndSent == false && ulTtiReq->slot == 8)
 501    {
 502       rachIndSent = true;
 503       l1BuildAndSendRachInd(ulTtiReq->slot, ulTtiReq->sfn);
 504    }
 505
 506         MAC_FREE(ulTtiReq, sizeof(fapi_ul_tti_req_t));
 507 #endif
 508    return ROK;
 509 }
 510
 511 /*******************************************************************
 512  *
 513  * @brief Receives message from MAC
 514  *
 515  * @details
 516  *
 517  *    Function :  l1ProcessFapiRequest
 518  *
 519  *    Functionality:
 520  *       - Receives message from MAC and calls handler
 521  *
 522  * @params[in] Message type
 523  *             Message length
 524  *             Message pointer
 525  *
 526  * @return void
 527  *
 528  * ****************************************************************/
 529
 530 void l1ProcessFapiRequest(uint8_t msgType, uint32_t msgLen, void *msg)
 531 {
 532    switch(msgType)
 533    {
 534 #ifdef FAPI
 535       case FAPI_PARAM_REQUEST:
 536          l1HdlParamReq(msgLen, msg);
 537          break;
 538       case FAPI_CONFIG_REQUEST:
 539          l1HdlConfigReq(msgLen, msg);
 540          break;
 541       case FAPI_START_REQUEST:
 542          l1HdlStartReq(msgLen, msg);
 543          break;
 544       case FAPI_DL_TTI_REQUEST:
 545          l1HdlDlTtiReq(msgLen, msg);
 546          break;
 547       case FAPI_UL_TTI_REQUEST:
 548          l1HdlUlTtiReq(msgLen, msg);
 549          break;
 550       default:
 551          DU_LOG("\nPHY_STUB: Invalid message type[%x] received at PHY", msgType);
 552          break;
 553 #endif
 554    }
 555 }
 556 /**********************************************************************
 557          End of file
 558 **********************************************************************/