+/* 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((uint8_t *)(_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 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
+{
+ uint32_t gnbDuUeF1apId; /* GNB DU UE F1AP ID */
+ uint32_t gnbCuUeF1apId; /* GNB CU UE F1AP ID */
+ UeState ueState;
+ MacUeCfg macUeCfg;
+ RlcUeCfg rlcUeCfg;
+}DuUeCb;
+
+typedef struct duCellCb
+{
+ uint16_t cellId; /* Internal cell Id */
+ CellCfgParams cellInfo; /* Cell info */
+ bool firstSlotIndRcvd;
+ 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;