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    int idx = 0;
 266         fapi_config_req_t *configReq = (fapi_config_req_t *)msg;
 267
 268    DU_LOG("\nPHY_STUB: Received Config Request in PHY");
 269
 270    /* Handling CONFIG RESPONSE */
 271    if(l1BldAndSndConfigRsp(msg)!= ROK)
 272    {
 273       printf("\nPHY_STUB: Failed Sending config Response");
 274    }
 275
 276         while(idx < MAX_NUM_TLVS_CONFIG)
 277         {
 278            if(configReq->tlvs[idx].tl.tag == FAPI_NUM_UNUSED_ROOT_SEQUENCES_TAG)
 279                 {
 280                    if(configReq->tlvs[idx].value)
 281                         {
 282                            idx++;
 283                            MAC_FREE(configReq->tlvs[idx].value , \
 284                                    sizeof(uint8_t) * configReq->tlvs[idx-1].value);
 285             break;
 286                         }
 287                 }
 288                 idx++;
 289         }
 290         MAC_FREE(configReq, sizeof(fapi_config_req_t));
 291 #endif
 292
 293 }
 294
 295
 296 /*******************************************************************
 297  *
 298  * @brief Builds and Sends RACH indication to MAC
 299  *
 300  * @details
 301  *
 302  *    Function : l1BuildAndSendRachInd
 303  *
 304  *    Functionality:
 305  *      Builds and Sends RACH indication to MAC
 306  *
 307  * @params[in] SFN value
 308  *             slot value
 309  * @return ROK     - success
 310  *         RFAILED - failure
 311  *
 312  * ****************************************************************/
 313 uint16_t l1BuildAndSendRachInd(uint16_t slot, uint16_t sfn)
 314 {
 315 #ifdef FAPI
 316    uint8_t   rachPduIdx = 0;
 317    uint8_t   preamIdx = 0;
 318    fapi_rach_pdu_t  *rachPdu;
 319    fapi_rach_indication_t  *rachInd;
 320
 321    /* Building RACH indication */
 322         MAC_ALLOC(rachInd, sizeof(fapi_rach_indication_t));
 323    if(!rachInd)
 324    {
 325       printf("\nPHY_STUB: Memory allocation failed for Rach Indication Message");
 326       return RFAILED;
 327    }
 328
 329    rachInd->sfn = sfn;
 330    rachInd->slot = slot;
 331    rachInd->numPdus = 1;
 332
 333    rachPdu = &rachInd->rachPdu[rachPduIdx];
 334    rachPdu->physCellId = NR_PCI;
 335    rachPdu->symbolIndex = 0;
 336    rachPdu->slotIndex = slot;
 337    rachPdu->freqIndex = 0;
 338    rachPdu->avgRssi = 0;
 339    rachPdu->avgSnr = 0;
 340    rachPdu->numPreamble = 1;
 341
 342    rachPdu->preambleInfo[preamIdx].preambleIndex = 3;
 343    rachPdu->preambleInfo[preamIdx].timingAdvance = 0;
 344    rachPdu->preambleInfo[preamIdx].premblePwr = 0;
 345
 346    fillMsgHeader(&rachInd->header, FAPI_RACH_INDICATION, \
 347       sizeof(fapi_rach_indication_t));
 348
 349    /* Sending RACH indication to MAC */
 350    DU_LOG("\nPHY STUB: Sending RACH Indication to MAC");
 351    handlePhyMessages(rachInd->header.message_type_id, sizeof(fapi_rach_indication_t), (void *)rachInd);
 352    MAC_FREE(rachInd, sizeof(fapi_rach_indication_t));
 353 #endif
 354    return ROK;
 355 }
 356
 357 /*******************************************************************
 358  *
 359  * @brief Builds and Send the Slot Indication message to MAC
 360  *
 361  * @details
 362  *
 363  *    Function : l1BuildAndSendSlotIndication
 364  *
 365  *    Functionality:
 366  *          -Send the Slot indication Message to MAC
 367  *
 368  * @params[in]   Message length
 369  *               config request message pointer
 370  *
 371  * @return void
 372  *
 373  * ****************************************************************/
 374 PUBLIC uint16_t l1BuildAndSendSlotIndication()
 375 {
 376 #ifdef FAPI
 377    fapi_slot_ind_t *slotIndMsg;
 378
 379    MAC_ALLOC(slotIndMsg, sizeof(fapi_slot_ind_t));
 380         if(!slotIndMsg)
 381    {
 382        DU_LOG("\nPHY_STUB: Memory allocation failed for slot Indication Message");
 383        return RFAILED;
 384    }
 385    else
 386    {
 387       slotIndMsg->sfn = sfnValue;
 388       slotIndMsg->slot = slotValue;
 389       DU_LOG("\n\nPHY_STUB: SLOT indication [%d:%d]",sfnValue,slotValue);
 390
 391                 /* increment for the next TTI */
 392       slotValue++;
 393       if(sfnValue >= MAX_SFN_VALUE && slotValue > MAX_SLOT_VALUE)
 394       {
 395          sfnValue = 0;
 396          slotValue = 0;
 397       }
 398       else if(slotValue > MAX_SLOT_VALUE)
 399       {
 400          sfnValue++;
 401          slotValue = 0;
 402       }
 403       fillMsgHeader(&slotIndMsg->header, FAPI_SLOT_INDICATION, sizeof(fapi_slot_ind_t));
 404       handlePhyMessages(slotIndMsg->header.message_type_id, sizeof(fapi_slot_ind_t), (void*)slotIndMsg);
 405       MAC_FREE(slotIndMsg, sizeof(fapi_slot_ind_t));
 406    }
 407 #endif
 408    return ROK;
 409 }
 410
 411 /*******************************************************************
 412  *
 413  * @brief Handles start request received from MAC
 414  *
 415  * @details
 416  *
 417  *    Function : l1HdlStartReq
 418  *
 419  *    Functionality:
 420  *          -Handles start request received from MAC
 421  *
 422  * @params[in]   Message length
 423  *               config request message pointer
 424  *
 425  * @return void
 426  *
 427  * ****************************************************************/
 428
 429 PUBLIC S16 l1HdlStartReq(uint32_t msgLen, void *msg)
 430 {
 431 #ifdef FAPI
 432    fapi_start_req_t *startReq = (fapi_start_req_t *)msg;
 433
 434    if(clGlobalCp.phyState == PHY_STATE_CONFIGURED)
 435    {
 436       duStartSlotIndicaion();
 437                 MAC_FREE(startReq, sizeof(fapi_start_req_t));
 438    }
 439    else
 440    {
 441       DU_LOG("\nPHY_STUB: Received Start Req in PHY State %d", clGlobalCp.phyState);
 442       return RFAILED;
 443    }
 444 #endif
 445    return ROK;
 446 }
 447
 448 /*******************************************************************
 449 *
 450 * @brief Handles Dl Tti request received from MAC
 451 *
 452 * @details
 453 *
 454 *    Function : l1HdlDlTtiReq
 455 *
 456 *    Functionality:
 457 *          -Handles Dl Tti request received from MAC
 458 *
 459 * @params[in]   Message length
 460 *               Dl Tti request message pointer
 461 *
 462 * @return void
 463 *
 464 * ****************************************************************/
 465
 466 PUBLIC S16 l1HdlDlTtiReq(uint16_t msgLen, void *msg)
 467 {
 468 #ifdef FAPI
 469    fapi_dl_tti_req_t *dlTtiReq;
 470    dlTtiReq = (fapi_dl_tti_req_t *)msg;
 471
 472    printf("\nPHY STUB: Received DL TTI Request");
 473 #if 0
 474    printf("\nPHY_STUB:  SFN     %d", dlTtiReq->sfn);
 475    printf("\nPHY_STUB:  SLOT    %d", dlTtiReq->slot);
 476    printf("\nPHY_STUB:  nPdus   %d", dlTtiReq->nPdus);
 477    printf("\nPHY_STUB:  nGroup  %d", dlTtiReq->nGroup);
 478    /* Printing SSB CONFIGURED VALUES */
 479    printf("\nPHY_STUB: physCellId   %d", dlTtiReq->pdus->u.ssb_pdu.physCellId);
 480    printf("\nPHY_STUB: betaPss      %d", dlTtiReq->pdus->u.ssb_pdu.betaPss);
 481    printf("\nPHY_STUB: ssbBlockIndex %d",       dlTtiReq->pdus->u.ssb_pdu.ssbBlockIndex);
 482    printf("\nPHY_STUB: ssbSubCarrierOffset %d", dlTtiReq->pdus->u.ssb_pdu.ssbSubCarrierOffset);
 483    printf("\nPHY_STUB: ssbOffsetPointA     %d", dlTtiReq->pdus->u.ssb_pdu.ssbOffsetPointA);
 484    printf("\nPHY_STUB: bchPayloadFlag      %d", dlTtiReq->pdus->u.ssb_pdu.bchPayloadFlag);
 485    printf("\nPHY_STUB: bchPayload          %x", dlTtiReq->pdus->u.ssb_pdu.bchPayload);
 486 #endif
 487         uint8_t pduCount = 0;
 488         if(dlTtiReq->nPdus == 0)
 489         {
 490                 DU_LOG("\nPHY_STUB: No PDU in DL TTI Request");
 491    }
 492         for(pduCount=0; pduCount<dlTtiReq->nPdus; pduCount++)
 493         {
 494                 if(dlTtiReq->pdus[pduCount].pduType == 3) //SSB_PDU_TYPE
 495                         DU_LOG("\nPHY_STUB: SSB PDU");
 496                 else if(dlTtiReq->pdus[pduCount].pduType == 0)
 497                         DU_LOG("\nPHY_STUB: PDCCH PDU");
 498                 else if(dlTtiReq->pdus[pduCount].pduType == 1)
 499                    DU_LOG("\nPHY_STUB: PDSCH PDU");
 500         }
 501
 502         /* Free FAPI message */
 503    for(pduCount = 0; pduCount < dlTtiReq->nPdus; pduCount++)
 504         {
 505            if(dlTtiReq->pdus[pduCount].pduType == FAPI_DL_TTI_REQ_PDCCH_PDU_TYPE)
 506                 {
 507          MAC_FREE(dlTtiReq->pdus[pduCount].u.pdcch_pdu.dlDci,\
 508                            sizeof(fapi_dl_dci_t));
 509            }
 510    }
 511         MAC_FREE(dlTtiReq->pdus, (dlTtiReq->nPdus * sizeof(fapi_dl_tti_req_pdu_t)));
 512         MAC_FREE(dlTtiReq, sizeof(fapi_dl_tti_req_t));
 513
 514 #endif
 515    return ROK;
 516 }
 517
 518 /*******************************************************************
 519 *
 520 * @brief Handles tx_data request received from MAC
 521 *
 522 * @details
 523 *
 524 *    Function : l1HdlTxDataReq
 525 *
 526 *    Functionality:
 527 *          -Handles tx_data request received from MAC
 528 *
 529 * @params[in]   Message length
 530 *               tx_data request message pointer
 531 *
 532 * @return void
 533 *
 534 * ****************************************************************/
 535
 536 PUBLIC S16 l1HdlTxDataReq(uint16_t msgLen, void *msg)
 537 {
 538 #ifdef FAPI
 539    //uint8_t pduCount;
 540
 541    DU_LOG("\nPHY STUB: Received TX DATA Request");
 542
 543    fapi_tx_data_req_t *txDataReq;
 544    txDataReq = (fapi_tx_data_req_t *)msg;
 545
 546 #if 0
 547    for(pduCount = 0; pduCount< txDataReq->numPdus; pduCount++)
 548         {
 549       if(txDataReq->pduDesc[pduCount].tlvs[0].value)
 550               MAC_FREE((uint32_t *)txDataReq->pduDesc[pduCount].tlvs[0].value,\
 551                       txDataReq->pduDesc[pduCount].tlvs[0].tl.length);
 552         }
 553 #endif
 554         MAC_FREE(txDataReq->pduDesc, (txDataReq->numPdus * \
 555            sizeof(fapi_tx_pdu_desc_t)));
 556         MAC_FREE(txDataReq, sizeof(fapi_tx_data_req_t));
 557 #endif
 558    return ROK;
 559 }
 560 /*******************************************************************
 561 *
 562 * @brief Handles Ul Tti request received from MAC
 563 *
 564 * @details
 565 *
 566 *    Function : l1HdlUlTtiReq
 567 *
 568 *    Functionality:
 569 *          -Handles Ul Tti request received from MAC
 570 *
 571 * @params[in]   Message length
 572 *               Ul Tti request message pointer
 573 *
 574 * @return void
 575 *
 576 * ****************************************************************/
 577
 578 PUBLIC S16 l1HdlUlTtiReq(uint16_t msgLen, void *msg)
 579 {
 580 #ifdef FAPI
 581    fapi_ul_tti_req_t *ulTtiReq;
 582
 583    DU_LOG("\nPHY STUB: Received UL TTI Request");
 584
 585    ulTtiReq = (fapi_ul_tti_req_t *)msg;
 586    uint8_t numPdus = ulTtiReq->nPdus;
 587
 588         if(numPdus == 0)
 589         {
 590                 DU_LOG("\nPHY STUB: No PDU in UL TTI");
 591    }
 592         while(numPdus)
 593         {
 594                 if(ulTtiReq->pdus->pduType == 0)
 595                         DU_LOG("\nPHY STUB: PRACH PDU");
 596                 numPdus--;
 597         }
 598
 599    MAC_FREE(ulTtiReq->pdus, (ulTtiReq->nPdus * sizeof(fapi_ul_tti_req_pdu_t)));
 600         MAC_FREE(ulTtiReq, sizeof(fapi_ul_tti_req_t));
 601
 602    if(rachIndSent == false && ulTtiReq->sfn == 2 && ulTtiReq->slot == 6)
 603    {
 604       rachIndSent = true;
 605       l1BuildAndSendRachInd(ulTtiReq->slot, ulTtiReq->sfn);
 606    }
 607
 608 #endif
 609    return ROK;
 610 }
 611
 612 /*******************************************************************
 613  *
 614  * @brief Receives message from MAC
 615  *
 616  * @details
 617  *
 618  *    Function :  l1ProcessFapiRequest
 619  *
 620  *    Functionality:
 621  *       - Receives message from MAC and calls handler
 622  *
 623  * @params[in] Message type
 624  *             Message length
 625  *             Message pointer
 626  *
 627  * @return void
 628  *
 629  * ****************************************************************/
 630
 631 void l1ProcessFapiRequest(uint8_t msgType, uint32_t msgLen, void *msg)
 632 {
 633    switch(msgType)
 634    {
 635 #ifdef FAPI
 636       case FAPI_PARAM_REQUEST:
 637          l1HdlParamReq(msgLen, msg);
 638          break;
 639       case FAPI_CONFIG_REQUEST:
 640          l1HdlConfigReq(msgLen, msg);
 641          break;
 642       case FAPI_START_REQUEST:
 643          l1HdlStartReq(msgLen, msg);
 644          break;
 645       case FAPI_DL_TTI_REQUEST:
 646          l1HdlDlTtiReq(msgLen, msg);
 647          break;
 648       case FAPI_TX_DATA_REQUEST:
 649          l1HdlTxDataReq(msgLen, msg);
 650          break;
 651       case FAPI_UL_TTI_REQUEST:
 652          l1HdlUlTtiReq(msgLen, msg);
 653          break;
 654       default:
 655          DU_LOG("\nPHY_STUB: Invalid message type[%x] received at PHY", msgType);
 656          break;
 657 #endif
 658    }
 659 }
 660 /**********************************************************************
 661          End of file
 662 **********************************************************************/