PUSCH PDU for msg3 and UL-CCCH Ind flow completion
[o-du/l2.git] / src / 5gnrmac / mac_msg_hdl.c
index a55c31b..5f75dc7 100644 (file)
 #include "crg.x"
 #include "rg_prg.x"
 #include "du_app_mac_inf.h"
+#include "mac_upr_inf_api.h"
 #include "rg.x"
 #include "lwr_mac_fsm.h"
+#include "mac.h"
 
 /* This file contains message handling functionality for MAC */
 
+extern MacCb  macCb;
+
+extern void sendToLowerMac(uint16_t msgType, uint32_t msgLen, void *msg);
+uint16_t buildMacPdu(RlcMacData *dlData);
+
+/* Function pointer for sending crc ind from MAC to SCH */
+MacSchCrcIndFunc macSchCrcIndOpts[]=
+{
+   packMacSchCrcInd,
+   macSchCrcInd,
+   packMacSchCrcInd
+};
+
+/* Function pointer for sending DL RLC BO Info from MAC to SCH */
+MacSchDlRlcBoInfoFunc macSchDlRlcBoInfoOpts[]=
+{
+   packMacSchDlRlcBoInfo,
+   macSchDlRlcBoInfo,
+   packMacSchDlRlcBoInfo
+};
+
+/*******************************************************************
+ *
+ * @brief Sends DL BO Info to SCH
+ *
+ * @details
+ *
+ *    Function : sendDlRlcBoInfoMacToSch
+ *
+ *    Functionality:
+ *       Sends DL BO Info to SCH
+ *
+ * @params[in] 
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ ****************************************************************/
+int sendDlRlcBoInfoMacToSch(DlRlcBOInfo *dlBoInfo)
+{
+   Pst pst;
+   fillMacToSchPst(&pst);
+   pst.event = EVENT_DL_RLC_BO_INFO_TO_SCH;
+   return(*macSchDlRlcBoInfoOpts[pst.selector])(&pst, dlBoInfo);
+}
+
+/*******************************************************************
+ *
+ * @brief Sends CRC Indication to SCH
+ *
+ * @details
+ *
+ *    Function : sendCrcIndMacToSch 
+ *
+ *    Functionality:
+ *       Sends CRC Indication to SCH
+ *
+ * @params[in] 
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+  ****************************************************************/
+int sendCrcIndMacToSch(CrcIndInfo *crcInd)
+{
+   Pst pst;
+   fillMacToSchPst(&pst);
+   pst.event = EVENT_CRC_IND_TO_SCH;
+   return(*macSchCrcIndOpts[pst.selector])(&pst, crcInd);
+}
+/*******************************************************************
+ *
+ * @brief Processes CRC Indication from PHY
+ *
+ * @details
+ *
+ *    Function : fapiMacCrcInd
+ *
+ *    Functionality:
+ *       Processes CRC Indication from PHY
+ *
+ * @params[in] Post Structure Pointer
+ *             Crc Indication Pointer
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ * ****************************************************************/
+uint16_t fapiMacCrcInd(Pst *pst, CrcInd *crcInd)
+{
+   CrcIndInfo   crcIndInfo;
+   DU_LOG("\nMAC : Received CRC indication");
+
+   /* Considering one pdu and one preamble */ 
+   crcIndInfo.cellId = macCb.macCell->cellId;;
+   crcIndInfo.crnti = crcInd->crcInfo[0].rnti;
+   crcIndInfo.timingInfo.sfn = crcInd->timingInfo.sfn;
+   crcIndInfo.timingInfo.slot = crcInd->timingInfo.slot;
+   crcIndInfo.numCrcInd = crcInd->crcInfo[0].numCb;
+   crcIndInfo.crcInd[0] = crcInd->crcInfo[0].cbCrcStatus[0];
+   return(sendCrcIndMacToSch(&crcIndInfo));
+}
+/*******************************************************************
+ *
+ * @brief Process Rx Data Ind at MAC
+ *
+ * @details
+ *
+ *    Function : fapiMacRxDataInd
+ *
+ *    Functionality:
+ *       Process Rx Data Ind at MAC
+ *
+ * @params[in] Post structure
+ *             Rx Data Indication
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ * ****************************************************************/
+uint16_t fapiMacRxDataInd(Pst *pst, RxDataInd *rxDataInd)
+{
+   uint16_t pduIdx;
+   DU_LOG("\nMAC : Received Rx Data indication");
+  
+   /* TODO : compare the handle received in RxDataInd with handle send in PUSCH
+        * PDU, which is stored in raCb */
+
+   for(pduIdx = 0; pduIdx < rxDataInd->numPdus; pduIdx++)
+   {
+      unpackRxData(&rxDataInd->pdus[pduIdx]);
+   }
+   return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Processes DL data from RLC
+ *
+ * @details
+ *
+ *    Function : MacRlcProcDlData 
+ *
+ *    Functionality:
+ *      Processes DL data from RLC
+ *
+ * @params[in] Post structure
+ *             DL data
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ * ****************************************************************/
+uint16_t MacRlcProcDlData(Pst* pst, SpId spId, RlcMacData *dlData)
+{
+   return ROK;
+}
+
+/*******************************************************************
+ *
+ * @brief Processes BO status from RLC
+ *
+ * @details
+ *
+ *    Function : MacRlcProcBOStatus
+ *
+ *    Functionality:
+ *      Processes BO status from RLC
+ *
+ * @params[in] Post structure
+ *             BO status
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ * ****************************************************************/
+uint16_t MacRlcProcBOStatus(Pst* pst, SpId spId, RlcMacBOStatus*      boStatus)
+{
+   return ROK;
+}
+
+
 /*******************************************************************
  *
  * @brief Handles cell start reuqest from DU APP
@@ -82,7 +269,7 @@ uint16_t MacHdlCellStartReq(Pst *pst, MacCellStartInfo  *cellStartInfo)
    DU_LOG("\nMAC : Handling cell start request");
    sendToLowerMac(START_REQUEST, 0, cellStartInfo);
 
-   MAC_FREE_MEM(pst->region, pst->pool, cellStartInfo, \
+   MAC_FREE_SHRABL_BUF(pst->region, pst->pool, cellStartInfo, \
           sizeof(MacCellStartInfo));
 
    return ROK;
@@ -107,15 +294,135 @@ uint16_t MacHdlCellStartReq(Pst *pst, MacCellStartInfo  *cellStartInfo)
  * ****************************************************************/
 uint16_t MacHdlCellStopReq(Pst *pst, MacCellStopInfo  *cellStopInfo)
 {
-   DU_LOG("\nMAC : Handling cell stop request");
-   sendToLowerMac(STOP_REQUEST, 0, cellStopInfo);
+   #ifdef FAPI
+   DU_LOG("\nMAC : Sending cell stop request to Lower Mac");
+   sendToLowerMac(FAPI_STOP_REQUEST, 0, cellStopInfo);
+   #endif
 
-   MAC_FREE_MEM(pst->region, pst->pool, cellStopInfo, \
+   MAC_FREE_SHRABL_BUF(pst->region, pst->pool, cellStopInfo, \
           sizeof(MacCellStopInfo));
  
    return ROK;
 }
 
+/*******************************************************************
+ *
+ * @brief Handles DL CCCH Ind from DU APP
+ *
+ * @details
+ *
+ *    Function : MacHdlDlCcchInd 
+ *
+ *    Functionality:
+ *      Handles DL CCCH Ind from DU APP
+ *
+ * @params[in] Post structure pointer
+ *             DL CCCH Ind pointer 
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ * ****************************************************************/
+uint16_t MacHdlDlCcchInd(Pst *pst, DlCcchIndInfo *dlCcchIndInfo)
+{
+   DlRlcBOInfo  dlBoInfo;
+
+   DU_LOG("\nMAC : Handling DL CCCH IND");
+   
+   /* TODO : Fill DL RLC Buffer status info */
+   dlBoInfo.cellId = dlCcchIndInfo->cellId;
+   dlBoInfo.crnti = dlCcchIndInfo->crnti;
+   dlBoInfo.numLc = 0;
+   
+   if(dlCcchIndInfo->msgType == RRC_SETUP)
+   {
+      dlBoInfo.numLc++;
+      dlBoInfo.boInfo[dlBoInfo.numLc].lcId = 0;    // SRB 0 for msg4
+      dlBoInfo.boInfo[dlBoInfo.numLc].dataVolume = \
+      strlen((const char*)dlCcchIndInfo->dlCcchMsg);
+
+      /* storing Msg4 Pdu in raCb */
+      if(macCb.macCell->macRaCb[0].crnti == dlCcchIndInfo->crnti)
+      {
+         macCb.macCell->macRaCb[0].msg4PduLen = strlen((const char*)dlCcchIndInfo\
+         ->dlCcchMsg);
+         MAC_ALLOC(macCb.macCell->macRaCb[0].msg4Pdu, macCb.macCell->macRaCb[0]\
+         .msg4PduLen);
+         if(macCb.macCell->macRaCb[0].msg4Pdu)
+         {
+            memcpy(macCb.macCell->macRaCb[0].msg4Pdu, dlCcchIndInfo->dlCcchMsg,\
+            macCb.macCell->macRaCb[0].msg4PduLen);
+         }
+      }
+   }
+   sendDlRlcBoInfoMacToSch(&dlBoInfo);
+   
+   MAC_FREE_SHRABL_BUF(pst->region, pst->pool, dlCcchIndInfo->dlCcchMsg, \
+      strlen((const char*)dlCcchIndInfo->dlCcchMsg));
+   MAC_FREE_SHRABL_BUF(pst->region, pst->pool, dlCcchIndInfo, sizeof(DlCcchIndInfo));
+   return ROK;
+
+}
+
+/*******************************************************************
+ *
+ * @brief Sends UL CCCH Ind to DU APP
+ *
+ * @details
+ *
+ *    Function : macSendUlCcchInd
+ *
+ *    Functionality:
+ *        MAC sends UL CCCH Ind to DU APP
+ *
+ * @params[in] Post structure pointer
+ *            
+ * @return ROK     - success
+ *         RFAILED - failure
+ *
+ * ****************************************************************/
+uint16_t macSendUlCcchInd(uint8_t *rrcContainer, uint16_t cellId, uint16_t crnti)
+{
+   Pst pst;
+       uint8_t ret = ROK;
+   UlCcchIndInfo *ulCcchIndInfo = NULLP;
+
+   MAC_ALLOC_SHRABL_BUF(ulCcchIndInfo, sizeof(UlCcchIndInfo));
+   if(!ulCcchIndInfo)
+   {
+               DU_LOG("\nMAC: Memory failed in macSendUlCcchInd");
+               return RFAILED;
+       }
+
+       ulCcchIndInfo->cellId = cellId;
+       ulCcchIndInfo->crnti  = crnti;
+       ulCcchIndInfo->ulCcchMsg = rrcContainer;
+
+       /* Fill Pst */
+       pst.selector  = DU_MAC_LWLC;
+       pst.srcEnt    = ENTRG;
+       pst.dstEnt    = ENTDUAPP;
+       pst.dstInst   = 0;
+       pst.srcInst   = macCb.macInst;
+       pst.dstProcId = rgCb[pst.srcInst].rgInit.procId;
+       pst.srcProcId = rgCb[pst.srcInst].rgInit.procId;
+       pst.region    = MAC_MEM_REGION;
+       pst.pool      = MAC_POOL;
+       pst.event     = EVENT_MAC_UL_CCCH_IND;
+       pst.route     = 0;
+       pst.prior     = 0;
+       pst.intfVer   = 0;
+
+       if(MacDuAppUlCcchInd(&pst, ulCcchIndInfo) != ROK)
+       {
+               DU_LOG("\nMAC: Failed to send UL CCCH Ind to DU APP");
+               MAC_FREE_SHRABL_BUF(MAC_MEM_REGION, MAC_POOL, ulCcchIndInfo->ulCcchMsg,
+                               strlen((const char*)ulCcchIndInfo->ulCcchMsg));
+               MAC_FREE_SHRABL_BUF(MAC_MEM_REGION, MAC_POOL, ulCcchIndInfo, sizeof(UlCcchIndInfo));
+               ret = RFAILED;
+       }
+       return ret;
+}
+
 /**********************************************************************
          End of file
 **********************************************************************/