+
+/**
+ * @ingroup xran
+ *
+ * function initialize PRB map from config input
+ *
+ * @param p_PrbMapIn
+ * Input PRBmap from config
+ * @param p_PrbMapOut
+ * Output PRBmap
+ * @return
+ * 0 - on success
+ */
+int32_t xran_init_PrbMap_from_cfg(struct xran_prb_map* p_PrbMapIn, struct xran_prb_map* p_PrbMapOut, uint32_t mtu);
+
+/**
+ * @ingroup xran
+ *
+ * function initialize PRB map from config input
+ *
+ * @param p_PrbMapIn
+ * Input PRBmap from config for Rx
+ * @param p_PrbMapOut
+ * Output PRBmap
+ * @return
+ * 0 - on success
+ */
+
+int32_t xran_init_PrbMap_from_cfg_for_rx(struct xran_prb_map* p_PrbMapIn, struct xran_prb_map* p_PrbMapOut, uint32_t mtu);
+
+int32_t xran_get_num_prb_elm(struct xran_prb_map* p_PrbMapIn, uint32_t mtu);
+
+/**
+ * @ingroup xran
+ *
+ * function initialize PRB map from config input by symbol
+ *
+ * @param p_PrbMapIn
+ * Input PRBmap from config
+ * @param p_PrbMapOut
+ * Output PRBmap
+ * @return
+ * 0 - on success
+ */
+int32_t xran_init_PrbMap_by_symbol_from_cfg(struct xran_prb_map* p_PrbMapIn, struct xran_prb_map* p_PrbMapOut, uint32_t mtu, uint32_t xran_max_prb);
+
+/**
+ * @ingroup xran
+ *
+ * Function prepares DL U-plane packets for symbol for O-RAN FH. Enques resulting packet to ring for TX at appropriate time
+ *
+ * @param pHandle
+ * pointer to O-RU port structure
+ * @return
+ * 0 - on success
+ */
+int32_t xran_prepare_up_dl_sym(uint16_t xran_port_id, uint32_t nSlotIdx, uint32_t nCcStart, uint32_t nCcNum, uint32_t nSymMask, uint32_t nAntStart,
+ uint32_t nAntNum, uint32_t nSymStart, uint32_t nSymNum);
+/**
+ * @ingroup xran
+ *
+ * Function prepares DL C-plane packets for slot for O-RAN FH. Enques resulting packet to ring for TX at appropriate time
+ *
+ * @param pHandle
+ * pointer to O-RU port structure
+ * @return
+ * 0 - on success
+ */
+int32_t xran_prepare_cp_dl_slot(uint16_t xran_port_id, uint32_t nSlotIdx, uint32_t nCcStart, uint32_t nCcNum, uint32_t nSymMask, uint32_t nAntStart,
+ uint32_t nAntNum, uint32_t nSymStart, uint32_t nSymNum);
+
+/**
+ * @ingroup xran
+ *
+ * Function prepares UL C-plane packets for slot for O-RAN FH. Enques resulting packet to ring for TX at appropriate time
+ *
+ * @param pHandle
+ * pointer to O-RU port structure
+ * @return
+ * 0 - on success
+ */
+int32_t xran_prepare_cp_ul_slot(uint16_t xran_port_id, uint32_t nSlotIdx, uint32_t nCcStart, uint32_t nCcNum, uint32_t nSymMask, uint32_t nAntStart,
+ uint32_t nAntNum, uint32_t nSymStart, uint32_t nSymNum);
+