src/5gnrmac/lwr_mac_ex_ms.c

   1 /*******************************************************************************\r
   2 ################################################################################\r
   3 #   Copyright (c) [2017-2019] [Radisys]                                        #\r
   4 #                                                                              #\r
   5 #   Licensed under the Apache License, Version 2.0 (the "License");            #\r
   6 #   you may not use this file except in compliance with the License.           #\r
   7 #   You may obtain a copy of the License at                                    #\r
   8 #                                                                              #\r
   9 #       http://www.apache.org/licenses/LICENSE-2.0                             #\r
  10 #                                                                              #\r
  11 #   Unless required by applicable law or agreed to in writing, software        #\r
  12 #   distributed under the License is distributed on an "AS IS" BASIS,          #\r
  13 #   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.   #\r
  14 #   See the License for the specific language governing permissions and        #\r
  15 #   limitations under the License.                                             #\r
  16 ################################################################################\r
  17 *******************************************************************************/\r
  18 \r
  19 /* This file is the entry point for Lower MAC */\r
  20 \r
  21 #include "common_def.h"\r
  22 #include "mac_utils.h"\r
  23 #include "lwr_mac_fsm.h"\r
  24 #include "lwr_mac_phy.h"\r
  25 #ifdef INTEL_FAPI\r
  26 #include "fapi.h"\r
  27 #include "fapi_vendor_extension.h"\r
  28 #endif\r
  29 #ifndef INTEL_WLS_MEM\r
  30 #include "lwr_mac_phy_stub_inf.h"\r
  31 #endif\r
  32 \r
  33 /**************************************************************************\r
  34  * @brief Task Initiation callback function. \r
  35  *\r
  36  * @details\r
  37  *\r
  38  *     Function : lwrMacActvInit \r
  39  *    \r
  40  *     Functionality:\r
  41  *             This function is supplied as one of parameters during Lower MAC's \r
  42  *             task registration. SSI will invoke this function once, after\r
  43  *             it creates and attaches this TAPA Task to a system task.\r
  44  *     \r
  45  * @param[in]  Ent entity, the entity ID of this task.     \r
  46  * @param[in]  Inst inst, the instance ID of this task.\r
  47  * @param[in]  Region region, the region ID registered for memory \r
  48  *              usage of this task.\r
  49  * @param[in]  Reason reason.\r
  50  * @return ROK     - success\r
  51  *         RFAILED - failure\r
  52  ***************************************************************************/\r
  53 uint8_t lwrMacActvInit(Ent entity, Inst inst, Region region, Reason reason)\r
  54 {\r
  55    return ROK;\r
  56 }\r
  57 \r
  58 /**************************************************************************\r
  59  * @brief Task Activation callback function. \r
  60  *\r
  61  * @details\r
  62  *\r
  63  *      Function : lwrMacActvTsk \r
  64  * \r
  65  *      Functionality:\r
  66  *           Primitives invoked by Lower MAC's users/providers through\r
  67  *           a loosely coupled interface arrive here by means of \r
  68  *           SSI's message handling. This API is registered with\r
  69  *           SSI during the Task Registration of DU APP.\r
  70  *     \r
  71  * @param[in]  Pst     *pst, Post structure of the primitive.     \r
  72  * @param[in]  Buffer *mBuf, Packed primitive parameters in the\r
  73  *  buffer.\r
  74  * @return ROK     - success\r
  75  *         RFAILED - failure\r
  76  *\r
  77  ***************************************************************************/\r
  78 uint8_t lwrMacActvTsk(Pst *pst, Buffer *mBuf)\r
  79 {\r
  80    uint8_t ret = ROK;\r
  81 \r
  82    switch(pst->srcEnt)\r
  83    {\r
  84       case ENTLWRMAC:\r
  85          {\r
  86             switch(pst->event)\r
  87             {\r
  88 #ifdef INTEL_WLS_MEM\r
  89                case EVT_START_WLS_RCVR:\r
  90                   {\r
  91                      ODU_PUT_MSG_BUF(mBuf);\r
  92 \r
  93                      /* Allocate memory for intial UL transmission */\r
  94                      LwrMacEnqueueWlsBlock();\r
  95 \r
  96                      /* Start thread to receive from L1 */\r
  97                      DU_LOG("\nINFO  -->  LWR MAC: Starting WLS receiver thread");\r
  98                      LwrMacRecvPhyMsg();\r
  99                      break;\r
 100                   }\r
 101 #endif\r
 102                default:\r
 103                   {\r
 104                      ODU_PUT_MSG_BUF(mBuf);\r
 105                      DU_LOG("\nERROR  -->  LWR MAC: Invalid event %d received", pst->event);\r
 106                      ret = RFAILED;\r
 107                   }\r
 108             }\r
 109             break;\r
 110          }\r
 111 \r
 112 #ifndef INTEL_WLS_MEM\r
 113       case ENTPHYSTUB:\r
 114          {\r
 115             switch(pst->event)\r
 116             {\r
 117                case EVT_PHY_STUB_SLOT_IND:\r
 118                   {\r
 119                      fapi_slot_ind_t *slotIndMsg;\r
 120 \r
 121                      CMCHKUNPK(oduUnpackPointer, (PTR *)&slotIndMsg, mBuf);\r
 122                      ODU_PUT_MSG_BUF(mBuf);\r
 123 \r
 124                      procPhyMessages(slotIndMsg->header.msg_id, sizeof(fapi_slot_ind_t), (void*)slotIndMsg);\r
 125                      MAC_FREE_SHRABL_BUF(pst->region, pst->pool, slotIndMsg, sizeof(fapi_slot_ind_t));\r
 126                      break;\r
 127                   }\r
 128 \r
 129                case EVT_PHY_STUB_STOP_IND:\r
 130                  {\r
 131                     fapi_stop_ind_t *stopIndMsg;\r
 132                     CMCHKUNPK(oduUnpackPointer, (PTR *)&stopIndMsg, mBuf);\r
 133                     ODU_PUT_MSG_BUF(mBuf);\r
 134 \r
 135                     procPhyMessages(stopIndMsg->header.msg_id, sizeof(fapi_stop_ind_t), (void*)stopIndMsg);\r
 136                     MAC_FREE_SHRABL_BUF(pst->region, pst->pool, stopIndMsg, sizeof(fapi_stop_ind_t));\r
 137                     break;\r
 138                  }\r
 139                default:\r
 140                   {\r
 141                      DU_LOG("\nERROR  -->  LWR_MAC: Invalid event %d received from PHY STUB", pst->event);\r
 142                   }\r
 143             }\r
 144             break;\r
 145          }\r
 146 #endif\r
 147 \r
 148       default:\r
 149          {\r
 150             ODU_PUT_MSG_BUF(mBuf);\r
 151             DU_LOG("\nERROR  -->  LWR MAC: Message from invalid source entity %d", pst->srcEnt);\r
 152             ret = RFAILED;\r
 153          }\r
 154    }\r
 155    return ret;\r
 156 }\r
 157 \r
 158 /**********************************************************************\r
 159   End of file\r
 160  **********************************************************************/\r