diff --git a/lib/librte_ethdev/rte_ethdev.h b/lib/librte_ethdev/rte_ethdev.h
index 70295d7ab7..d9312d3e11 100644
--- a/lib/librte_ethdev/rte_ethdev.h
+++ b/lib/librte_ethdev/rte_ethdev.h
@@ -157,6 +157,7 @@ extern "C" {
 #include <rte_common.h>
 #include <rte_config.h>
 #include <rte_ether.h>
+#include <rte_power_intrinsics.h>
 
 #include "rte_ethdev_trace_fp.h"
 #include "rte_dev_info.h"
@@ -775,6 +776,7 @@ rte_eth_rss_hf_refine(uint64_t rss_hf)
 /** Maximum nb. of vlan per mirror rule */
 #define ETH_MIRROR_MAX_VLANS       64
 
+#define ETH_EMPTYPOLL_MAX          512 /**< Empty poll number threshlold */
 #define ETH_MIRROR_VIRTUAL_POOL_UP     0x01  /**< Virtual Pool uplink Mirroring. */
 #define ETH_MIRROR_UPLINK_PORT         0x02  /**< Uplink Port Mirroring. */
 #define ETH_MIRROR_DOWNLINK_PORT       0x04  /**< Downlink Port Mirroring. */
@@ -1602,6 +1604,26 @@ enum rte_eth_dev_state {
 	RTE_ETH_DEV_REMOVED,
 };
 
+#define  RTE_ETH_PAUSE_NUM  64    /* How many times to pause */
+/**
+ * Possible power management states of an ethdev port.
+ */
+enum rte_eth_dev_power_mgmt_state {
+	/** Device power management is disabled. */
+	RTE_ETH_DEV_POWER_MGMT_DISABLED = 0,
+	/** Device power management is enabled. */
+	RTE_ETH_DEV_POWER_MGMT_ENABLED,
+};
+
+enum rte_eth_dev_power_mgmt_cb_mode {
+	/** WAIT callback mode. */
+	RTE_ETH_DEV_POWER_MGMT_CB_WAIT = 1,
+	/** PAUSE callback mode. */
+	RTE_ETH_DEV_POWER_MGMT_CB_PAUSE,
+	/** Freq Scaling callback mode. */
+	RTE_ETH_DEV_POWER_MGMT_CB_SCALE,
+};
+
 struct rte_eth_dev_sriov {
 	uint8_t active;               /**< SRIOV is active with 16, 32 or 64 pools */
 	uint8_t nb_q_per_pool;        /**< rx queue number per pool */
diff --git a/lib/librte_ethdev/rte_ethdev_core.h b/lib/librte_ethdev/rte_ethdev_core.h
index 32407dd418..16e54bb4e4 100644
--- a/lib/librte_ethdev/rte_ethdev_core.h
+++ b/lib/librte_ethdev/rte_ethdev_core.h
@@ -603,6 +603,30 @@ typedef int (*eth_tx_hairpin_queue_setup_t)
 	 uint16_t nb_tx_desc,
 	 const struct rte_eth_hairpin_conf *hairpin_conf);
 
+/**
+ * @internal
+ * Get the next RX ring descriptor address.
+ *
+ * @param rxq
+ *   ethdev queue pointer.
+ * @param tail_desc_addr
+ *   the pointer point to descriptor address var.
+ * @param expected
+ *   the pointer point to value to be expected when descriptor is set.
+ * @param mask
+ *   the pointer point to comparison bitmask for the expected value.
+ * @return
+ *   Negative errno value on error, 0 on success.
+ *
+ * @retval 0
+ *   Success.
+ * @retval -EINVAL
+ *   Failed to get descriptor address.
+ */
+typedef int (*eth_next_rx_desc_t)
+	(void *rxq, volatile void **tail_desc_addr,
+	 uint64_t *expected, uint64_t *mask);
+
 /**
  * @internal A structure containing the functions exported by an Ethernet driver.
  */
@@ -752,6 +776,8 @@ struct eth_dev_ops {
 	/**< Set up device RX hairpin queue. */
 	eth_tx_hairpin_queue_setup_t tx_hairpin_queue_setup;
 	/**< Set up device TX hairpin queue. */
+	eth_next_rx_desc_t next_rx_desc;
+	/**< Get next RX ring descriptor address. */
 };
 
 /**
@@ -768,6 +794,14 @@ struct rte_eth_rxtx_callback {
 	void *param;
 };
 
+/**
+ * @internal
+ * Structure used to hold counters for empty poll
+ */
+struct rte_eth_ep_stat {
+	uint64_t num;
+} __rte_cache_aligned;
+
 /**
  * @internal
  * The generic data structure associated with each ethernet device.
@@ -807,8 +841,16 @@ struct rte_eth_dev {
 	enum rte_eth_dev_state state; /**< Flag indicating the port state */
 	void *security_ctx; /**< Context for security ops */
 
-	uint64_t reserved_64s[4]; /**< Reserved for future fields */
-	void *reserved_ptrs[4];   /**< Reserved for future fields */
+	/**< Empty poll number */
+	enum rte_eth_dev_power_mgmt_state pwr_mgmt_state;
+	/**< Power mgmt Callback mode */
+	enum rte_eth_dev_power_mgmt_cb_mode cb_mode;
+	uint64_t reserved_64s[3]; /**< Reserved for future fields */
+
+	/**< Flag indicating the port power state */
+	struct rte_eth_ep_stat *empty_poll_stats;
+	const struct rte_eth_rxtx_callback *cur_pwr_cb;
+	void *reserved_ptrs[2];   /**< Reserved for future fields */
 } __rte_cache_aligned;
 
 struct rte_eth_dev_sriov;
