+ memset(macStatsDelete, 0, sizeof(MacStatsDeleteReq));
+ /* Generate subscription ID using RIC Request ID and RAN Function ID */
+ encodeSubscriptionId(&macStatsDelete->subscriptionId, ricSubscriptionInfo->ranFuncId, ricSubscriptionInfo->requestId);
+
+ /* If deleteAllStats is true, then we don't need to fill in the
+ * statsGrpIdToBeDelList with action details; otherwise, we must fill in the
+ * statsGrpIdToBeDelList with action-related data that is set to CONFIG_DEL.*/
+ if(!deleteAllStats)
+ {
+ actionIdx=0;
+ CM_LLIST_FIRST_NODE(&ricSubscriptionInfo->actionSequence, actionNode);
+ while(actionNode)
+ {
+ actionDb = (ActionInfo*)(actionNode->node);
+ if(actionDb->action == CONFIG_DEL)
+ {
+ macStatsDelete->statsGrpIdToBeDelList[actionIdx] = actionDb->actionId;
+ actionIdx++;
+ }
+ actionNode= actionNode->next;
+ }
+ macStatsDelete->numStatsGroupToBeDeleted=actionIdx;
+ }
+
+ DU_LOG("\nDEBUG --> DU_APP: Sending Statistics delete req to MAC ");
+ FILL_PST_DUAPP_TO_MAC(pst, EVENT_MAC_STATS_DELETE_REQ);
+
+ if( (*packMacStatsDeleteReqOpts[pst.selector])(&pst, macStatsDelete) != ROK)
+ {
+ DU_LOG("\nERROR --> DU_APP: Failed to send Statistics delete req to MAC");
+ DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, macStatsDelete, sizeof(MacStatsDeleteReq));
+ return RFAILED;
+ }
+
+ return ROK;
+}
+
+
+/*******************************************************************
+ *
+ * @brief Statistics delete to DU layers
+ *
+ * @details
+ *
+ * Function : BuildAndSendStatsDeleteReq()
+ *
+ * Functionality: Statistics delete to DU layers
+ *
+ * @params[in]
+ * Subscription Info
+ * delete All Stats
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t BuildAndSendStatsDeleteReq(RicSubscription *ricSubscriptionInfo, bool deleteAllStats)
+{
+ /* Build and sent subscription information to MAC in Statistics delete */
+ if(BuildAndSendStatsDeleteReqToMac(ricSubscriptionInfo, deleteAllStats) != ROK)
+ {
+ DU_LOG("\nERROR --> DU_APP : Failed at BuildAndSendStatsDeleteReqToMac()");
+ return RFAILED;
+ }
+ return ROK;
+}
+
+ /*******************************************************************
+ *
+ * @brief Send Statistics Modification request to MAC
+ *
+ * @details
+ *
+ * Function : BuildAndSendStatsModificationReqToMac()
+ *
+ * Functionality: Send Statistics Modification Request To Mac
+ *
+ * @params[in] Ric subscription info
+ *
+ * @return ROK - success
+ * RFAILED - failure
+ *
+ * ****************************************************************/
+uint8_t BuildAndSendStatsModificationReqToMac(RicSubscription *ricSubscriptionInfo)
+{
+ Pst pst;
+ MacStatsModificationReq *macStatsModificationReq = NULLP;
+
+ /* Fill MAC statistics modification request */
+ DU_ALLOC_SHRABL_BUF(macStatsModificationReq, sizeof(MacStatsModificationReq));
+ if(macStatsModificationReq == NULLP)
+ {
+ DU_LOG("\nERROR --> DU_APP : Memory allocation failed for macStatsModificationReq in BuildAndSendStatsModificationReqToMac");
+ return RFAILED;
+ }
+
+ /* Fill E2 Subscription Info in MAC Statistics Modification Request and send to MAC */
+ if(fillRicSubsInMacStatsModificationReq(macStatsModificationReq, ricSubscriptionInfo) == ROK)
+ {
+ DU_LOG("\nDEBUG --> DU_APP: Sending Statistics Modification Request to MAC ");
+ FILL_PST_DUAPP_TO_MAC(pst, EVENT_MAC_STATISTICS_MODIFY_REQ);
+
+ if( (*packMacStatsModificationReqOpts[pst.selector])(&pst, macStatsModificationReq) == ROK)
+ return ROK;
+
+ DU_LOG("\nERROR --> DU_APP: Failed to send Statistics Modification Request to MAC");
+ }
+
+ DU_LOG("\nERROR --> DU_APP: No Statistics group found valid. Hence statistics Modification request is not sent to MAC");
+ DU_FREE_SHRABL_BUF(DU_APP_MEM_REGION, DU_POOL, macStatsModificationReq, sizeof(MacStatsModificationReq));