+/**
+ * Retrieve a set of statistics from device
+ *
+ * @param dev
+ * Event device pointer
+ * @param ids
+ * The stat ids to retrieve
+ * @param values
+ * The returned stat values
+ * @param n
+ * The number of id values and entries in the values array
+ * @return
+ * The number of stat values successfully filled into the values array
+ */
+typedef int (*eventdev_xstats_get_t)(const struct rte_eventdev *dev,
+ enum rte_event_dev_xstats_mode mode, uint8_t queue_port_id,
+ const unsigned int ids[], uint64_t values[], unsigned int n);
+
+/**
+ * Resets the statistic values in xstats for the device, based on mode.
+ */
+typedef int (*eventdev_xstats_reset_t)(struct rte_eventdev *dev,
+ enum rte_event_dev_xstats_mode mode,
+ int16_t queue_port_id,
+ const uint32_t ids[],
+ uint32_t nb_ids);
+
+/**
+ * Get names of extended stats of an event device
+ *
+ * @param dev
+ * Event device pointer
+ * @param xstats_names
+ * Array of name values to be filled in
+ * @param size
+ * Number of values in the xstats_names array
+ * @return
+ * When size >= the number of stats, return the number of stat values filled
+ * into the array.
+ * When size < the number of available stats, return the number of stats
+ * values, and do not fill in any data into xstats_names.
+ */
+typedef int (*eventdev_xstats_get_names_t)(const struct rte_eventdev *dev,
+ enum rte_event_dev_xstats_mode mode, uint8_t queue_port_id,
+ struct rte_event_dev_xstats_name *xstats_names,
+ unsigned int *ids, unsigned int size);
+
+/**
+ * Get value of one stats and optionally return its id
+ *
+ * @param dev
+ * Event device pointer
+ * @param name
+ * The name of the stat to retrieve
+ * @param id
+ * Pointer to an unsigned int where we store the stat-id for future reference.
+ * This pointer may be null if the id is not required.
+ * @return
+ * The value of the stat, or (uint64_t)-1 if the stat is not found.
+ * If the stat is not found, the id value will be returned as (unsigned)-1,
+ * if id pointer is non-NULL
+ */
+typedef uint64_t (*eventdev_xstats_get_by_name)(const struct rte_eventdev *dev,
+ const char *name, unsigned int *id);
+
+
+/**
+ * Retrieve the event device's ethdev Rx adapter capabilities for the
+ * specified ethernet port
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param eth_dev
+ * Ethernet device pointer
+ *
+ * @param[out] caps
+ * A pointer to memory filled with Rx event adapter capabilities.
+ *
+ * @return
+ * - 0: Success, driver provides Rx event adapter capabilities for the
+ * ethernet device.
+ * - <0: Error code returned by the driver function.
+ *
+ */
+typedef int (*eventdev_eth_rx_adapter_caps_get_t)
+ (const struct rte_eventdev *dev,
+ const struct rte_eth_dev *eth_dev,
+ uint32_t *caps);
+
+struct rte_event_eth_rx_adapter_queue_conf *queue_conf;
+
+/**
+ * Add ethernet Rx queues to event device. This callback is invoked if
+ * the caps returned from rte_eventdev_eth_rx_adapter_caps_get(, eth_port_id)
+ * has RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT set.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param eth_dev
+ * Ethernet device pointer
+ *
+ * @param rx_queue_id
+ * Ethernet device receive queue index
+ *
+ * @param queue_conf
+ * Additional configuration structure
+
+ * @return
+ * - 0: Success, ethernet receive queue added successfully.
+ * - <0: Error code returned by the driver function.
+ *
+ */
+typedef int (*eventdev_eth_rx_adapter_queue_add_t)(
+ const struct rte_eventdev *dev,
+ const struct rte_eth_dev *eth_dev,
+ int32_t rx_queue_id,
+ const struct rte_event_eth_rx_adapter_queue_conf *queue_conf);
+
+/**
+ * Delete ethernet Rx queues from event device. This callback is invoked if
+ * the caps returned from eventdev_eth_rx_adapter_caps_get(, eth_port_id)
+ * has RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT set.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param eth_dev
+ * Ethernet device pointer
+ *
+ * @param rx_queue_id
+ * Ethernet device receive queue index
+ *
+ * @return
+ * - 0: Success, ethernet receive queue deleted successfully.
+ * - <0: Error code returned by the driver function.
+ *
+ */
+typedef int (*eventdev_eth_rx_adapter_queue_del_t)
+ (const struct rte_eventdev *dev,
+ const struct rte_eth_dev *eth_dev,
+ int32_t rx_queue_id);
+
+/**
+ * Start ethernet Rx adapter. This callback is invoked if
+ * the caps returned from eventdev_eth_rx_adapter_caps_get(.., eth_port_id)
+ * has RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT set and Rx queues
+ * from eth_port_id have been added to the event device.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param eth_dev
+ * Ethernet device pointer
+ *
+ * @return
+ * - 0: Success, ethernet Rx adapter started successfully.
+ * - <0: Error code returned by the driver function.
+ */
+typedef int (*eventdev_eth_rx_adapter_start_t)
+ (const struct rte_eventdev *dev,
+ const struct rte_eth_dev *eth_dev);
+
+/**
+ * Stop ethernet Rx adapter. This callback is invoked if
+ * the caps returned from eventdev_eth_rx_adapter_caps_get(..,eth_port_id)
+ * has RTE_EVENT_ETH_RX_ADAPTER_CAP_INTERNAL_PORT set and Rx queues
+ * from eth_port_id have been added to the event device.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param eth_dev
+ * Ethernet device pointer
+ *
+ * @return
+ * - 0: Success, ethernet Rx adapter stopped successfully.
+ * - <0: Error code returned by the driver function.
+ */
+typedef int (*eventdev_eth_rx_adapter_stop_t)
+ (const struct rte_eventdev *dev,
+ const struct rte_eth_dev *eth_dev);
+
+struct rte_event_eth_rx_adapter_stats *stats;
+
+/**
+ * Retrieve ethernet Rx adapter statistics.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param eth_dev
+ * Ethernet device pointer
+ *
+ * @param[out] stats
+ * Pointer to stats structure
+ *
+ * @return
+ * Return 0 on success.
+ */
+
+typedef int (*eventdev_eth_rx_adapter_stats_get)
+ (const struct rte_eventdev *dev,
+ const struct rte_eth_dev *eth_dev,
+ struct rte_event_eth_rx_adapter_stats *stats);
+/**
+ * Reset ethernet Rx adapter statistics.
+ *
+ * @param dev
+ * Event device pointer
+ *
+ * @param eth_dev
+ * Ethernet device pointer
+ *
+ * @return
+ * Return 0 on success.
+ */
+typedef int (*eventdev_eth_rx_adapter_stats_reset)
+ (const struct rte_eventdev *dev,
+ const struct rte_eth_dev *eth_dev);
+/**
+ * Start eventdev selftest.
+ *
+ * @return
+ * Return 0 on success.
+ */
+typedef int (*eventdev_selftest)(void);
+