X-Git-Url: https://gerrit.o-ran-sc.org/r/gitweb?a=blobdiff_plain;ds=sidebyside;f=src%2Fcu_stub%2Fcu_stub.h;h=1a57317172a060e7ce551a6ef1e41954ffa17637;hb=324bffe05ee2a2a3754150dea9c17dc5cb06565b;hp=9b8c9aa316f21d62676de44f3d0fabfb02fcc919;hpb=6a921a2e24077727de299706bf23ceec317f1c5c;p=o-du%2Fl2.git

diff --git a/src/cu_stub/cu_stub.h b/src/cu_stub/cu_stub.h
index 9b8c9aa31..1a5731717 100644
--- a/src/cu_stub/cu_stub.h
+++ b/src/cu_stub/cu_stub.h
@@ -28,13 +28,17 @@
 #ifndef O1_ENABLE
 #define LOCAL_IP_CU "192.168.130.82"
 
-#define F1_SCTP_PORT 38472
+#define F1_SCTP_PORT 38472  /* As per the spec 38.472, the registered port number for F1AP is 38472 */
 #define NUM_F1_ASSOC 1  
 #define REMOTE_IP_DU (char*[]){"192.168.130.81", "192.168.130.83"}
+
+#define XN_SCTP_PORT 38422 /* As per 3GPP TS 38.422, The SCTP Destination Port number value assigned by IANA to be used for XnAP is 38422 */
+#define NUM_XN_ASSOC 0
+#define REMOTE_IP_CU (char*[]){"192.168.130.84"}
 #endif
 
-#define DU_EGTP_PORT  (int[]){39001, 39002}
-#define CU_EGTP_PORT (int[]){39003, 39004}
+#define LOCAL_NODE_TYPE SERVER
+#define F1_EGTP_PORT 2152 /* As per the spec 29.281, the registered port number for GTP-U is 2152 */
 #define RRC_VER 0
 #define EXT_RRC_VER 5
 
@@ -102,6 +106,21 @@
 #define DRX_TO_BE_RELEASE true 
 #endif
 
+typedef enum
+{
+  Xn_Based_Inter_CU_HO = 1,
+  Inter_DU_HO
+}HandoverType;
+
+typedef enum
+{
+   XN_SETUP_REQ,
+   XN_SETUP_RSP,
+   HO_REQ,
+   HO_REQ_ACK,
+   UE_CTXT_REL
+}XnEventType;
+
 typedef enum
 {
    CELL_INACTIVE,
@@ -135,8 +154,12 @@ typedef struct cuCfgParams
 
 typedef struct handoverInfo
 {
-   uint32_t sourceDuId;
-   uint32_t targetDuId;
+   HandoverType HOType;
+   uint32_t srcNodeId;   /* If Inter_DU HO, this is Source DU ID. In case of Inter CU HO, this is Source CU ID */
+   uint32_t tgtNodeId;   /* If Inter_DU HO, this is Taregt DU ID. In case of Inter CU HO, this is Target CU ID */
+   uint32_t tgtCellId;   /* Cell Id in target node to which UE is to be handed over */
+   uint8_t  cuUeF1apIdSrc;  /* Used for Inter-CU HO. CU UE F1AP ID of UE in source CU */
+   uint8_t  cuUeF1apIdTgt;  /* Used for Inter-CU HO. CU UE F1AP ID of UE in target CU */
 }HandoverInfo;
 
 typedef struct dlAmCfg
@@ -334,6 +357,7 @@ typedef struct duDb
    CuCellCb cellCb[MAX_NUM_CELL];  
    uint8_t  numUe;
    CuUeCb   ueCb[MAX_NUM_CELL * MAX_NUM_UE];
+   CuUeCb   *tempUeCtxtInHo;
 }DuDb;
 
 typedef struct cuGlobalCb