+/* Instance */
+#define RLC_UL_INST 0
+#define RLC_DL_INST 1
+
+/* SAP state */
+#define DU_SAP_UNBOUND 1
+#define DU_SAP_BINDING 2
+#define DU_SAP_BOUND 3
+
+#define DU_ZERO_VAL 0
+
+/* Macros */
+#define ADD 0
+#define DEL 1
+
+#define RLC_GEN_CFG 1
+#define RLC_MAC_SAP_CFG 2
+#define RLC_UDX_SAP_CFG 4
+
+#define MAC_GEN_CFG 1
+#define MAC_SAP_CFG 2
+#define MAX_MAC_SAP 2
+
+#define DU_RLC_UL_CONFIGURED (RLC_GEN_CFG | \
+ RLC_MAC_SAP_CFG | RLC_UDX_SAP_CFG)
+#define DU_RLC_DL_CONFIGURED DU_RLC_UL_CONFIGURED
+
+#define MAC_CONFIGURED (MAC_GEN_CFG | MAC_SAP_CFG)
+
+#define DU_SET_ZERO(_buf, _size) \
+ memset((_buf), 0, _size);
+
+typedef enum
+{
+ CELL_OUT_OF_SERVICE,
+ ACTIVATION_IN_PROGRESS,
+ ACTIVATED,
+ DELETION_IN_PROGRESS
+}CellStatus;
+
+typedef enum
+{
+ UE_INACTIVE,
+ UE_ACTIVE
+}UeState;
+
+typedef enum
+{
+ UE_CTXT_UNKNOWN,
+ UE_CTXT_SETUP,
+ UE_CTXT_MOD
+}UeCtxtActionType;
+
+/** F1AP Msg IE **/
+typedef struct f1setupRsp
+{
+ uint32_t transId; /* Uniquely identify transaction */
+ char cuName[CU_DU_NAME_LEN_MAX]; /* CU Name */
+ F1RrcVersion rrcVersion; /* RRC version */
+}F1SetupRsp;
+
+typedef struct f1DlRrcMsg
+{
+ uint32_t gnbDuUeF1apId;
+ uint32_t gnbCuUeF1apId;
+ uint8_t srbId;
+ bool execDup;
+ bool deliveryStatRpt;
+ uint16_t rrcMsgSize;
+ uint8_t *rrcMsgPdu;
+}F1DlRrcMsg;
+
+typedef struct duUeCfg
+{
+ void *cellGrpCfg;
+ void *ueNrCapability;
+ uint8_t numRlcLcs; /* Rlc Ue Cfg */
+ RlcBearerCfg rlcLcCfg[MAX_NUM_LC];
+ uint8_t numMacLcs; /* Mac Ue Cfg */
+ LcCfg macLcCfg[MAX_NUM_LC];
+ AmbrCfg *ambrCfg;
+}DuUeCfg;
+
+typedef struct f1UeContextSetup
+{
+ UeCtxtActionType actionType;
+ uint8_t cellIdx;
+ DuUeCfg duUeCfg;
+ F1DlRrcMsg *dlRrcMsg;
+}F1UeContextSetupDb;
+
+typedef struct cellCfgParams
+{
+ NrEcgi nrEcgi; /* ECGI */
+ uint16_t nrPci; /* PCI */
+ uint16_t fiveGsTac; /* 5gSTac */
+ Plmn plmn[MAX_PLMN]; /* List of serving PLMN IDs */
+ uint32_t maxUe; /* max UE per slot */
+}CellCfgParams;
+
+typedef struct duUeCb
+{
+ F1UeContextSetupDb *f1UeDb;
+ uint16_t crnti;
+ uint32_t gnbDuUeF1apId; /* GNB DU UE F1AP ID */
+ uint32_t gnbCuUeF1apId; /* GNB CU UE F1AP ID */
+ uint32_t drbBitMap; /* Drb Bit Map */
+ UeState ueState; /* UE Active/ Ue Inactive state */
+ MacUeCfg macUeCfg; /* Mac Ue Cfg */
+ RlcUeCfg rlcUeCfg; /* Rlc Ue Cfg */
+}DuUeCb;
+
+typedef struct duCellCb
+{
+ uint16_t cellId; /* Internal cell Id */
+ CellCfgParams cellInfo; /* Cell info */
+ /* pointer to store the address of macCellCfg params used to send du-app to MAC */
+ MacCellCfg *duMacCellCfg;
+ CellStatus cellStatus; /* Cell status */
+ uint32_t numActvUes; /* Total Active UEs */
+ DuUeCb ueCb[MAX_NUM_UE]; /* UE CONTEXT */
+}DuCellCb;
+
+typedef struct duLSapCb
+{
+ Pst pst;
+ SuId suId;
+ SpId spId;
+ State sapState;
+ Mem mem;
+ CmTimer timer;
+ uint8_t bndRetryCnt;
+ uint8_t maxBndRetry;
+ TmrCfg bndTmr;
+}DuLSapCb;
+
+typedef struct ueCcchCtxt
+{
+ uint32_t gnbDuUeF1apId; /* GNB DU UE F1AP ID */
+ uint16_t crnti; /* CRNTI */
+ uint16_t cellId; /* Cell Id */
+}UeCcchCtxt;