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;
  78
  79         MAC_ALLOC(fapiParamRsp, sizeof(fapi_param_resp_t));
  80         if(!fapiParamRsp)
  81         {
  82            DU_LOG("PHY STUB: Memory allocation failed");
  83                 return RFAILED;
  84         }
  85
  86   /* Cell Params */
  87   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_RELEASE_CAPABILITY_TAG,                          sizeof(uint16_t), 1, &msgLen);
  88   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PHY_STATE_TAG,                                   sizeof(uint16_t), 0, &msgLen);
  89   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_SKIP_BLANK_DL_CONFIG_TAG,                        sizeof(uint8_t),  0, &msgLen);
  90   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_SKIP_BLANK_UL_CONFIG_TAG,                        sizeof(uint8_t),  0, &msgLen);
  91   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_NUM_CONFIG_TLVS_TO_REPORT_TYPE_TAG,              sizeof(uint8_t),  0, &msgLen);
  92
  93   /* Carrier Params */
  94   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_CYCLIC_PREFIX_TAG,                               sizeof(uint8_t),  1, &msgLen);
  95   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_SUPPORTED_SUBCARRIER_SPACING_DL_TAG,             sizeof(uint8_t),  1, &msgLen);
  96   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_SUPPORTED_BANDWIDTH_DL_TAG,                      sizeof(uint16_t), 1, &msgLen);
  97   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_SUPPORTED_SUBCARRIER_SPACING_UL_TAG,             sizeof(uint8_t),  0, &msgLen);
  98   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_SUPPORTED_BANDWIDTH_UL_TAG,                      sizeof(uint16_t), 0, &msgLen);
  99
 100   /* PDCCH Param*/
 101   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_CCE_MAPPING_TYPE_TAG,                            sizeof(uint8_t), 0, &msgLen);
 102   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_CORESET_OUTSIDE_FIRST_3_OFDM_SYMS_OF_SLOT_TAG,   sizeof(uint8_t), 0, &msgLen);
 103   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PRECODER_GRANULARITY_CORESET_TAG,                sizeof(uint8_t), 0, &msgLen);
 104   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDCCH_MU_MIMO_TAG,                               sizeof(uint8_t), 0, &msgLen);
 105   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDCCH_PRECODER_CYCLING_TAG,                      sizeof(uint8_t), 0, &msgLen);
 106   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_MAX_PDCCHS_PER_SLOT_TAG,                         sizeof(uint8_t), 0, &msgLen);
 107
 108   /* PUCCH Param */
 109   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUCCH_FORMATS_TAG,                               sizeof(uint8_t), 0, &msgLen);
 110   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_MAX_PUCCHS_PER_SLOT_TAG,                         sizeof(uint8_t), 0, &msgLen);
 111
 112   /* PDSCH Param */
 113   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDSCH_MAPPING_TYPE_TAG,                          sizeof(uint8_t), 0, &msgLen);
 114   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDSCH_ALLOCATION_TYPES_TAG,                      sizeof(uint8_t), 0, &msgLen);
 115   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDSCH_VRB_TO_PRB_MAPPING_TAG,                    sizeof(uint8_t), 0, &msgLen);
 116   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDSCH_CBG_TAG,                                   sizeof(uint8_t), 0, &msgLen);
 117   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDSCH_DMRS_CONFIG_TYPES_TAG,                     sizeof(uint8_t), 0, &msgLen);
 118   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDSCH_DMRS_MAX_LENGTH_TAG,                       sizeof(uint8_t), 0, &msgLen);
 119   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDSCH_DMRS_ADDITIONAL_POS_TAG,                   sizeof(uint8_t), 0, &msgLen);
 120   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_MAX_PDSCHS_TBS_PER_SLOT_TAG,                     sizeof(uint8_t), 0, &msgLen);
 121   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_MAX_NUMBER_MIMO_LAYERS_PDSCH_TAG,                sizeof(uint8_t), 0, &msgLen);
 122   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_SUPPORTED_MAX_MODULATION_ORDER_DL_TAG,           sizeof(uint8_t), 0, &msgLen);
 123   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_MAX_MU_MIMO_USERS_DL_TAG,                        sizeof(uint8_t), 0, &msgLen);
 124   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDSCH_DATA_IN_DMRS_SYMBOLS_TAG,                  sizeof(uint8_t), 0, &msgLen);
 125   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PREMPTIONSUPPORT_TAG,                            sizeof(uint8_t), 0, &msgLen);
 126   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PDSCH_NON_SLOT_SUPPORT_TAG,                      sizeof(uint8_t), 0, &msgLen);
 127
 128   /* PUSCH Param */
 129   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_UCI_MUX_ULSCH_IN_PUSCH_TAG,                      sizeof(uint8_t), 0, &msgLen);
 130   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_UCI_ONLY_PUSCH_TAG,                              sizeof(uint8_t), 0, &msgLen);
 131   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUSCH_FREQUENCY_HOPPING_TAG,                     sizeof(uint8_t), 0, &msgLen);
 132   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUSCH_DMRS_CONFIG_TYPES_TAG,                     sizeof(uint8_t), 0, &msgLen);
 133   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUSCH_DMRS_MAX_LEN_TAG,                          sizeof(uint8_t), 0, &msgLen);
 134   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUSCH_DMRS_ADDITIONAL_POS_TAG,                   sizeof(uint8_t), 0, &msgLen);
 135   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUSCH_CBG_TAG,                                   sizeof(uint8_t), 0, &msgLen);
 136   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUSCH_MAPPING_TYPE_TAG,                          sizeof(uint8_t), 0, &msgLen);
 137   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUSCH_ALLOCATION_TYPES_TAG,                      sizeof(uint8_t), 0, &msgLen);
 138   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUSCH_VRB_TO_PRB_MAPPING_TAG,                    sizeof(uint8_t), 0, &msgLen);
 139   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUSCH_MAX_PTRS_PORTS_TAG,                        sizeof(uint8_t), 0, &msgLen);
 140   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_MAX_PDUSCHS_TBS_PER_SLOT_TAG,                    sizeof(uint8_t), 0, &msgLen);
 141   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_MAX_NUMBER_MIMO_LAYERS_NON_CB_PUSCH_TAG,         sizeof(uint8_t), 0, &msgLen);
 142   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_SUPPORTED_MODULATION_ORDER_UL_TAG,               sizeof(uint8_t), 0, &msgLen);
 143   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_MAX_MU_MIMO_USERS_UL_TAG,                        sizeof(uint8_t), 0, &msgLen);
 144   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_DFTS_OFDM_SUPPORT_TAG,                           sizeof(uint8_t), 0, &msgLen);
 145   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PUSCH_AGGREGATION_FACTOR_TAG,                    sizeof(uint8_t), 0, &msgLen);
 146
 147   /* PRACH Params */
 148   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PRACH_LONG_FORMATS_TAG,                          sizeof(uint8_t), 0, &msgLen);
 149   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PRACH_SHORT_FORMATS_TAG,                         sizeof(uint8_t), 0, &msgLen);
 150   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_PRACH_RESTRICTED_SETS_TAG,                       sizeof(uint8_t), 0, &msgLen);
 151   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_MAX_PRACH_FD_OCCASIONS_IN_A_SLOT_TAG,            sizeof(uint8_t), 0, &msgLen);
 152
 153   /* MEASUREMENT TAG */
 154   fillTlvs(&fapiParamRsp->tlvs[index++],  FAPI_RSSI_MEASUREMENT_SUPPORT_TAG,                    sizeof(uint8_t), 0, &msgLen);
 155
 156   fapiParamRsp->number_of_tlvs = index;
 157   msgLen += sizeof(fapi_param_resp_t) - sizeof(fapi_msg_t);
 158   fillMsgHeader(&fapiParamRsp->header, FAPI_PARAM_RESPONSE, msgLen);
 159   fapiParamRsp->error_code = MSG_OK;
 160
 161   DU_LOG("\nPHY_STUB: Sending Param Request to Lower Mac");
 162   handlePhyMessages(fapiParamRsp->header.message_type_id, sizeof(fapi_param_resp_t), (void *)fapiParamRsp);
 163   MAC_FREE(fapiParamRsp, sizeof(fapi_param_resp_t));
 164 #endif
 165   return ROK;
 166 }
 167
 168 /*******************************************************************
 169  *
 170  * @brief Builds and sends config response to lower mac
 171  *
 172  * @details
 173  *
 174  *    Function : l1BldAndSndConfigRsp
 175  *
 176  *    Functionality:
 177  *          - Builds and sends config response to MAC
 178  *
 179  * @params[in] Config request message pointer
 180  * @return ROK     - success
 181  *         RFAILED - failure
 182  *
 183  * ****************************************************************/
 184
 185 S16 l1BldAndSndConfigRsp(void *msg)
 186 {
 187 #ifdef FAPI
 188    uint32_t msgLen = 0;
 189    fapi_config_resp_t *fapiConfigRsp;
 190
 191    MAC_ALLOC(fapiConfigRsp, sizeof(fapi_config_resp_t));
 192    if(!fapiConfigRsp)
 193    {
 194       DU_LOG("PHY STUB: Memory allocation failed");
 195       return RFAILED;
 196    }
 197
 198    fapiConfigRsp->number_of_invalid_tlvs = NULLP;
 199    fapiConfigRsp->number_of_inv_tlvs_idle_only = NULLP;
 200    fapiConfigRsp->number_of_missing_tlvs = NULLP;
 201    fapiConfigRsp->error_code = MSG_OK;
 202         msgLen += sizeof(fapi_param_resp_t) - sizeof(fapi_msg_t);
 203    fillMsgHeader(&fapiConfigRsp->header, FAPI_CONFIG_RESPONSE, msgLen);
 204
 205    DU_LOG("\nPHY_STUB: Sending Config Response to Lower Mac");
 206    handlePhyMessages(fapiConfigRsp->header.message_type_id, \
 207            sizeof(fapi_config_resp_t), (void *)fapiConfigRsp);
 208    MAC_FREE(fapiConfigRsp, sizeof(fapi_config_resp_t));
 209 #endif
 210    return ROK;
 211 }
 212 /*******************************************************************
 213  *
 214  * @brief Handles param request received from MAC
 215  *
 216  * @details
 217  *
 218  *    Function : l1HdlParamReq
 219  *
 220  *    Functionality:
 221  *          -Handles param request received from MAC
 222  *
 223  * @params[in]   Message length
 224  *               Param request message pointer
 225  *
 226  * @return void
 227  *
 228  * ****************************************************************/
 229
 230 PUBLIC void l1HdlParamReq(uint32_t msgLen, void *msg)
 231 {
 232 #ifdef FAPI
 233    DU_LOG("\nPHY_STUB: Received Param Request in PHY");
 234
 235    /* Build and send PARAM RESPONSE */
 236    if(l1BldAndSndParamRsp(msg)!= ROK)
 237    {
 238       DU_LOG("\nPHY_STUB: Failed Sending Param Response");
 239    }
 240         MAC_FREE(msg, sizeof(fapi_param_req_t));
 241 #endif
 242 }
 243
 244 /*******************************************************************
 245  *
 246  * @brief Handles config request received from MAC
 247  *
 248  * @details
 249  *
 250  *    Function : l1HdlConfigReq
 251  *
 252  *    Functionality:
 253  *          -Handles config request received from MAC
 254  *
 255  * @params[in]   Message length
 256  *               config request message pointer
 257  *
 258  * @return void
 259  *
 260  * ****************************************************************/
 261
 262 PUBLIC void l1HdlConfigReq(uint32_t msgLen, void *msg)
 263 {
 264 #ifdef FAPI
 265         fapi_config_req_t *configReq = (fapi_config_req_t *)msg;
 266
 267    DU_LOG("\nPHY_STUB: Received Config Request in PHY");
 268
 269    /* Handling CONFIG RESPONSE */
 270    if(l1BldAndSndConfigRsp(msg)!= ROK)
 271    {
 272       printf("\nPHY_STUB: Failed Sending config Response");
 273    }
 274
 275         MAC_FREE(configReq, msgLen);
 276 #endif
 277
 278 }
 279
 280
 281 /*******************************************************************
 282  *
 283  * @brief Builds and Sends RACH indication to MAC
 284  *
 285  * @details
 286  *
 287  *    Function : l1BuildAndSendRachInd
 288  *
 289  *    Functionality:
 290  *      Builds and Sends RACH indication to MAC
 291  *
 292  * @params[in] SFN value
 293  *             slot value
 294  * @return ROK     - success
 295  *         RFAILED - failure
 296  *
 297  * ****************************************************************/
 298 uint16_t l1BuildAndSendRachInd(uint16_t slot, uint16_t sfn)
 299 {
 300 #ifdef FAPI
 301    uint8_t   rachPduIdx = 0;
 302    uint8_t   preamIdx = 0;
 303    fapi_rach_pdu_t  *rachPdu;
 304    fapi_rach_indication_t  *rachInd;
 305
 306    /* Building RACH indication */
 307         MAC_ALLOC(rachInd, sizeof(fapi_rach_indication_t));
 308    if(!rachInd)
 309    {
 310       printf("\nPHY_STUB: Memory allocation failed for Rach Indication Message");
 311       return RFAILED;
 312    }
 313
 314    rachInd->sfn = sfn;
 315    rachInd->slot = slot;
 316    rachInd->numPdus = 1;
 317
 318    rachPdu = &rachInd->rachPdu[rachPduIdx];
 319    rachPdu->physCellId = NR_PCI;
 320    rachPdu->symbolIndex = 0;
 321    rachPdu->slotIndex = slot;
 322    rachPdu->freqIndex = 0;
 323    rachPdu->avgRssi = 0;
 324    rachPdu->avgSnr = 0;
 325    rachPdu->numPreamble = 1;
 326
 327    rachPdu->preambleInfo[preamIdx].preambleIndex = 3;
 328    rachPdu->preambleInfo[preamIdx].timingAdvance = 0;
 329    rachPdu->preambleInfo[preamIdx].premblePwr = 0;
 330
 331    fillMsgHeader(&rachInd->header, FAPI_RACH_INDICATION, \
 332       sizeof(fapi_rach_indication_t));
 333
 334    /* Sending RACH indication to MAC */
 335    DU_LOG("\nPHY STUB: Sending RACH Indication to MAC");
 336    handlePhyMessages(rachInd->header.message_type_id, sizeof(fapi_rach_indication_t), (void *)rachInd);
 337    MAC_FREE(rachInd, sizeof(fapi_rach_indication_t));
 338 #endif
 339    return ROK;
 340 }
 341
 342 /*******************************************************************
 343  *
 344  * @brief Builds and Send the Slot Indication message to MAC
 345  *
 346  * @details
 347  *
 348  *    Function : l1BuildAndSendSlotIndication
 349  *
 350  *    Functionality:
 351  *          -Send the Slot indication Message to MAC
 352  *
 353  * @params[in]   Message length
 354  *               config request message pointer
 355  *
 356  * @return void
 357  *
 358  * ****************************************************************/
 359 PUBLIC uint16_t l1BuildAndSendSlotIndication()
 360 {
 361 #ifdef FAPI
 362    fapi_slot_ind_t *slotIndMsg;
 363
 364    MAC_ALLOC(slotIndMsg, sizeof(fapi_slot_ind_t));
 365         if(!slotIndMsg)
 366    {
 367        DU_LOG("\nPHY_STUB: Memory allocation failed for slot Indication Message");
 368        return RFAILED;
 369    }
 370    else
 371    {
 372       slotIndMsg->sfn = sfnValue;
 373       slotIndMsg->slot = slotValue;
 374       DU_LOG("\n\nPHY_STUB: SLOT indication [%d:%d]",sfnValue,slotValue);
 375
 376                 /* increment for the next TTI */
 377       slotValue++;
 378       if(sfnValue >= MAX_SFN_VALUE && slotValue > MAX_SLOT_VALUE)
 379       {
 380          sfnValue = 0;
 381          slotValue = 0;
 382       }
 383       else if(slotValue > MAX_SLOT_VALUE)
 384       {
 385          sfnValue++;
 386          slotValue = 0;
 387       }
 388       fillMsgHeader(&slotIndMsg->header, FAPI_SLOT_INDICATION, sizeof(fapi_slot_ind_t));
 389       handlePhyMessages(slotIndMsg->header.message_type_id, sizeof(fapi_slot_ind_t), (void*)slotIndMsg);
 390       MAC_FREE(slotIndMsg, sizeof(fapi_slot_ind_t));
 391    }
 392 #endif
 393    return ROK;
 394 }
 395
 396 /*******************************************************************
 397  *
 398  * @brief Handles start request received from MAC
 399  *
 400  * @details
 401  *
 402  *    Function : l1HdlStartReq
 403  *
 404  *    Functionality:
 405  *          -Handles start request received from MAC
 406  *
 407  * @params[in]   Message length
 408  *               config request message pointer
 409  *
 410  * @return void
 411  *
 412  * ****************************************************************/
 413
 414 PUBLIC S16 l1HdlStartReq(uint32_t msgLen, void *msg)
 415 {
 416 #ifdef FAPI
 417    fapi_start_req_t *startReq = (fapi_start_req_t *)msg;
 418
 419    if(clGlobalCp.phyState == PHY_STATE_CONFIGURED)
 420    {
 421       duStartSlotIndicaion();
 422                 MAC_FREE(startReq, msgLen);
 423    }
 424    else
 425    {
 426       DU_LOG("\nPHY_STUB: Received Start Req in PHY State %d", clGlobalCp.phyState);
 427       return RFAILED;
 428    }
 429 #endif
 430    return ROK;
 431 }
 432
 433 /*******************************************************************
 434 *
 435 * @brief Handles Dl Tti request received from MAC
 436 *
 437 * @details
 438 *
 439 *    Function : l1HdlDlTtiReq
 440 *
 441 *    Functionality:
 442 *          -Handles Dl Tti request received from MAC
 443 *
 444 * @params[in]   Message length
 445 *               Dl Tti request message pointer
 446 *
 447 * @return void
 448 *
 449 * ****************************************************************/
 450
 451 PUBLIC S16 l1HdlDlTtiReq(uint16_t msgLen, void *msg)
 452 {
 453 #ifdef FAPI
 454    fapi_dl_tti_req_t *dlTtiReq;
 455    dlTtiReq = (fapi_dl_tti_req_t *)msg;
 456
 457    printf("\nPHY STUB: Received DL TTI Request");
 458 #if 0
 459    printf("\nPHY_STUB:  SFN     %d", dlTtiReq->sfn);
 460    printf("\nPHY_STUB:  SLOT    %d", dlTtiReq->slot);
 461    printf("\nPHY_STUB:  nPdus   %d", dlTtiReq->nPdus);
 462    printf("\nPHY_STUB:  nGroup  %d", dlTtiReq->nGroup);
 463    /* Printing SSB CONFIGURED VALUES */
 464    printf("\nPHY_STUB: physCellId   %d", dlTtiReq->pdus->u.ssb_pdu.physCellId);
 465    printf("\nPHY_STUB: betaPss      %d", dlTtiReq->pdus->u.ssb_pdu.betaPss);
 466    printf("\nPHY_STUB: ssbBlockIndex %d",       dlTtiReq->pdus->u.ssb_pdu.ssbBlockIndex);
 467    printf("\nPHY_STUB: ssbSubCarrierOffset %d", dlTtiReq->pdus->u.ssb_pdu.ssbSubCarrierOffset);
 468    printf("\nPHY_STUB: ssbOffsetPointA     %d", dlTtiReq->pdus->u.ssb_pdu.ssbOffsetPointA);
 469    printf("\nPHY_STUB: bchPayloadFlag      %d", dlTtiReq->pdus->u.ssb_pdu.bchPayloadFlag);
 470    printf("\nPHY_STUB: bchPayload          %x", dlTtiReq->pdus->u.ssb_pdu.bchPayload);
 471 #endif
 472         uint8_t pduCount = 0;
 473         if(dlTtiReq->nPdus == 0)
 474         {
 475                 DU_LOG("\nPHY_STUB: No PDU in DL TTI Request");
 476    }
 477         for(pduCount=0; pduCount<dlTtiReq->nPdus; pduCount++)
 478         {
 479                 if(dlTtiReq->pdus[pduCount].pduType == 3) //SSB_PDU_TYPE
 480                         DU_LOG("\nPHY_STUB: SSB PDU");
 481                 else if(dlTtiReq->pdus[pduCount].pduType == 0)
 482                         DU_LOG("\nPHY_STUB: PDCCH PDU");
 483                 else if(dlTtiReq->pdus[pduCount].pduType == 1)
 484                    DU_LOG("\nPHY_STUB: PDSCH PDU");
 485         }
 486
 487         /* Free FAPI message */
 488    MAC_FREE(dlTtiReq, msgLen);
 489
 490 #endif
 491    return ROK;
 492 }
 493
 494 /*******************************************************************
 495 *
 496 * @brief Handles tx_data request received from MAC
 497 *
 498 * @details
 499 *
 500 *    Function : l1HdlTxDataReq
 501 *
 502 *    Functionality:
 503 *          -Handles tx_data request received from MAC
 504 *
 505 * @params[in]   Message length
 506 *               tx_data request message pointer
 507 *
 508 * @return void
 509 *
 510 * ****************************************************************/
 511
 512 PUBLIC S16 l1HdlTxDataReq(uint16_t msgLen, void *msg)
 513 {
 514 #ifdef FAPI
 515    fapi_tx_data_req_t *txDataReq;
 516    txDataReq = (fapi_tx_data_req_t *)msg;
 517
 518    DU_LOG("\nPHY STUB: Received TX DATA Request");
 519
 520         MAC_FREE(txDataReq, msgLen);
 521 #endif
 522    return ROK;
 523 }
 524 /*******************************************************************
 525 *
 526 * @brief Handles Ul Tti request received from MAC
 527 *
 528 * @details
 529 *
 530 *    Function : l1HdlUlTtiReq
 531 *
 532 *    Functionality:
 533 *          -Handles Ul Tti request received from MAC
 534 *
 535 * @params[in]   Message length
 536 *               Ul Tti request message pointer
 537 *
 538 * @return void
 539 *
 540 * ****************************************************************/
 541
 542 PUBLIC S16 l1HdlUlTtiReq(uint16_t msgLen, void *msg)
 543 {
 544 #ifdef FAPI
 545    fapi_ul_tti_req_t *ulTtiReq;
 546
 547    DU_LOG("\nPHY STUB: Received UL TTI Request");
 548
 549    ulTtiReq = (fapi_ul_tti_req_t *)msg;
 550    uint8_t numPdus = ulTtiReq->nPdus;
 551
 552         if(numPdus == 0)
 553         {
 554                 DU_LOG("\nPHY STUB: No PDU in UL TTI");
 555    }
 556         while(numPdus)
 557         {
 558                 if(ulTtiReq->pdus[numPdus-1].pduType == 0)
 559                         DU_LOG("\nPHY STUB: PRACH PDU");
 560                 numPdus--;
 561         }
 562
 563    if(rachIndSent == false && ulTtiReq->sfn == 2 && ulTtiReq->slot == 6)
 564    {
 565       rachIndSent = true;
 566       l1BuildAndSendRachInd(ulTtiReq->slot, ulTtiReq->sfn);
 567    }
 568
 569    MAC_FREE(ulTtiReq, msgLen);
 570 #endif
 571    return ROK;
 572 }
 573
 574 /*******************************************************************
 575  *
 576  * @brief Receives message from MAC
 577  *
 578  * @details
 579  *
 580  *    Function :  l1ProcessFapiRequest
 581  *
 582  *    Functionality:
 583  *       - Receives message from MAC and calls handler
 584  *
 585  * @params[in] Message type
 586  *             Message length
 587  *             Message pointer
 588  *
 589  * @return void
 590  *
 591  * ****************************************************************/
 592
 593 void l1ProcessFapiRequest(uint8_t msgType, uint32_t msgLen, void *msg)
 594 {
 595    switch(msgType)
 596    {
 597 #ifdef FAPI
 598       case FAPI_PARAM_REQUEST:
 599          l1HdlParamReq(msgLen, msg);
 600          break;
 601       case FAPI_CONFIG_REQUEST:
 602          l1HdlConfigReq(msgLen, msg);
 603          break;
 604       case FAPI_START_REQUEST:
 605          l1HdlStartReq(msgLen, msg);
 606          break;
 607       case FAPI_DL_TTI_REQUEST:
 608          l1HdlDlTtiReq(msgLen, msg);
 609          break;
 610       case FAPI_TX_DATA_REQUEST:
 611          l1HdlTxDataReq(msgLen, msg);
 612          break;
 613       case FAPI_UL_TTI_REQUEST:
 614          l1HdlUlTtiReq(msgLen, msg);
 615          break;
 616       default:
 617          DU_LOG("\nPHY_STUB: Invalid message type[%x] received at PHY", msgType);
 618          break;
 619 #endif
 620    }
 621 }
 622 /**********************************************************************
 623          End of file
 624 **********************************************************************/