From: Harshita Lal <harshita.lal@radisys.com>
Date: Fri, 18 Feb 2022 13:53:40 +0000 (+0000)
Subject: Merge "[Epic-ID: ODUHIGH-405][Task-ID: ODUHIGH-420] GNB-DU Configuration Query and... 
X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=commitdiff_plain;h=1dc4874f3806146823871718c4450d4d77444947;hp=-c;p=o-du%2Fl2.git

Merge "[Epic-ID: ODUHIGH-405][Task-ID: ODUHIGH-420] GNB-DU Configuration Query and response"
---

1dc4874f3806146823871718c4450d4d77444947
diff --combined src/cu_stub/cu_stub.c
index 397103623,c8724d7e1..1694a14dd
--- a/src/cu_stub/cu_stub.c
+++ b/src/cu_stub/cu_stub.c
@@@ -204,16 -204,10 +204,16 @@@ void readCuCfg(
     }
     
     cmInetAddr((S8*)g_cfg.DU_IPV4_Addr, &ipv4_du);
 +   cuCb.cuCfgParams.sctpParams.sctpAssoc[0].duIpAddr.ipV4Addr = ipv4_du;
 +   cuCb.cuCfgParams.sctpParams.sctpAssoc[0].duIpAddr.ipV6Pres = false;
 +   
     cmInetAddr((S8*)g_cfg.CU_IPV4_Addr, &ipv4_cu);
 -
 -   cuCb.cuCfgParams.sctpParams.duPort = g_cfg.DU_Port;
 -   cuCb.cuCfgParams.sctpParams.cuPort = g_cfg.CU_Port;
 +   cuCb.cuCfgParams.sctpParams.sctpAssoc[0].cuIpAddr.ipV4Addr = ipv4_cu;
 +   cuCb.cuCfgParams.sctpParams.sctpAssoc[0].cuIpAddr.ipV6Pres = false;
 +   
 +   cuCb.cuCfgParams.sctpParams.sctpAssoc[0].duPort = g_cfg.DU_Port;
 +   cuCb.cuCfgParams.sctpParams.sctpAssoc[0].cuPort = g_cfg.CU_Port; 
 +   cuCb.cuCfgParams.sctpParams.numDu = 1;
  #else
     cuCb.cuCfgParams.sctpParams.numDu = 0;
     numDu = &cuCb.cuCfgParams.sctpParams.numDu;
@@@ -263,6 -257,40 +263,40 @@@
  
  } /* End of readCuCfg */
  
+ /*******************************************************************
+  *
+  * @brief Initiates inter DU handover
+  *
+  * @details
+  *
+  *    Function : initiateInterDuHandover
+  *
+  *    Functionality: Initiates the first procedure of inter-DU
+  *    handover i.eG GNB-DU configuration query to source DU
+  *
+  * @params[in] Source DU Id
+  *             Target DU Id
+  *             UE Id to be handed off 
+  * @return ROK     - success
+  *         RFAILED - failure
+  *
+  * ****************************************************************/
+ void initiateInterDuHandover(uint32_t sourceDuId, uint32_t targetDuId, uint32_t ueId)
+ {
+     DuDb *duDb = NULLP;
+     CuUeCb *ueCb = NULLP;
+ 
+     duDb = getDuDb(sourceDuId);
+     if(duDb)
+        ueCb = &duDb->ueCb[ueId-1];
+     if(ueCb)
+        ueCb->state = HANDOVER_IN_PROGRESS;
+ 
+     DU_LOG("\nINFO  --> CU_STUB: Inter-DU Handover Started for ueId [%d] from DU ID [%d] to DU ID [%d]", \
+           ueId, sourceDuId, targetDuId);
+     BuildAndSendUeContextModificationReq(sourceDuId, ueCb, QUERY_CONFIG);
+ }
+ 
  /*******************************************************************
   *
   * @brief Handles Console input
@@@ -295,8 -323,9 +329,9 @@@ void *cuConsoleHandler(void *args
  
     while(true) 
     {
+       ch = getchar();
        /* Send DL user data to CU when user enters 'd' on console */
-       if((ch = getchar()) == 'd')
+       if(ch == 'd')
        {
  
        /* Change #if 0 to #if 1 to take input from user */
@@@ -350,6 -379,21 +385,21 @@@
  #endif
           continue;
        } 
+ 
+       /* Start Handover procedure towards DU when 'h' is received from console input */
+       else if(ch == 'h')
+       {
+          uint32_t sourceDuId, targetDuId, ueId;
+ 
+          DU_LOG("\nEnter Source DU ID for Inter-DU Handover");
+          scanf("%d", &sourceDuId);
+          DU_LOG("\nEnter Target DU ID for Inter-DU Handover");
+          scanf("%d", &targetDuId);
+          DU_LOG("\nEnter DU UE F1AP ID to be handed over");
+          scanf("%d", &ueId);
+ 
+          initiateInterDuHandover(sourceDuId, targetDuId, ueId);
+       }
     }
  }
  /**********************************************************************