X-Git-Url: http://git.droids-corp.org/?a=blobdiff_plain;f=lib%2Flibrte_ether%2Frte_ethdev.h;h=c5a215a5564b3fa74919788a4585489eec51fcf3;hb=09419f235e099ecb265a590778fe64a685a2a241;hp=4f7b64b9dc37b2e97c6289b1055be27866dc722a;hpb=494adb7f63f20bbe1e98504085c7bda66c418c85;p=dpdk.git

diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index 4f7b64b9dc..c5a215a556 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -1,7 +1,7 @@
 /*-
  *   BSD LICENSE
  *
- *   Copyright(c) 2010-2015 Intel Corporation. All rights reserved.
+ *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
  *   All rights reserved.
  *
  *   Redistribution and use in source and binary forms, with or without
@@ -172,6 +172,8 @@ extern "C" {
 
 #include <stdint.h>
 
+#include <rte_dev.h>
+
 /* Use this macro to check if LRO API is supported */
 #define RTE_ETHDEV_HAS_LRO_SUPPORT
 
@@ -198,26 +200,26 @@ struct rte_eth_stats {
 	/**< Total of RX packets dropped by the HW,
 	 * because there are no available mbufs (i.e. RX queues are full).
 	 */
-	uint64_t ibadcrc;
+	uint64_t ibadcrc __rte_deprecated;
 	/**< Deprecated; Total of RX packets with CRC error. */
-	uint64_t ibadlen;
+	uint64_t ibadlen __rte_deprecated;
 	/**< Deprecated; Total of RX packets with bad length. */
 	uint64_t ierrors;   /**< Total number of erroneous received packets. */
 	uint64_t oerrors;   /**< Total number of failed transmitted packets. */
 	uint64_t imcasts;
 	/**< Deprecated; Total number of multicast received packets. */
 	uint64_t rx_nombuf; /**< Total number of RX mbuf allocation failures. */
-	uint64_t fdirmatch;
+	uint64_t fdirmatch __rte_deprecated;
 	/**< Deprecated; Total number of RX packets matching a filter. */
-	uint64_t fdirmiss;
+	uint64_t fdirmiss __rte_deprecated;
 	/**< Deprecated; Total number of RX packets not matching any filter. */
-	uint64_t tx_pause_xon;
+	uint64_t tx_pause_xon __rte_deprecated;
 	 /**< Deprecated; Total nb. of XON pause frame sent. */
-	uint64_t rx_pause_xon;
+	uint64_t rx_pause_xon __rte_deprecated;
 	/**< Deprecated; Total nb. of XON pause frame received. */
-	uint64_t tx_pause_xoff;
+	uint64_t tx_pause_xoff __rte_deprecated;
 	/**< Deprecated; Total nb. of XOFF pause frame sent. */
-	uint64_t rx_pause_xoff;
+	uint64_t rx_pause_xoff __rte_deprecated;
 	/**< Deprecated; Total nb. of XOFF pause frame received. */
 	uint64_t q_ipackets[RTE_ETHDEV_QUEUE_STAT_CNTRS];
 	/**< Total number of queue RX packets. */
@@ -245,7 +247,7 @@ struct rte_eth_stats {
 struct rte_eth_link {
 	uint16_t link_speed;      /**< ETH_LINK_SPEED_[10, 100, 1000, 10000] */
 	uint16_t link_duplex;     /**< ETH_LINK_[HALF_DUPLEX, FULL_DUPLEX] */
-	uint8_t  link_status : 1; /**< 1 -> link up, 0 -> link down */
+	uint8_t  link_status : 1; /**< ETH_LINK_[DOWN/UP] */
 }__attribute__((aligned(8)));     /**< aligned for atomic64 read/write */
 
 #define ETH_LINK_SPEED_AUTONEG  0       /**< Auto-negotiate link speed. */
@@ -257,9 +259,12 @@ struct rte_eth_link {
 #define ETH_LINK_SPEED_20G      20000   /**< 20 gigabits/second. */
 #define ETH_LINK_SPEED_40G      40000   /**< 40 gigabits/second. */
 
+/* Utility constants */
 #define ETH_LINK_AUTONEG_DUPLEX 0       /**< Auto-negotiate duplex. */
 #define ETH_LINK_HALF_DUPLEX    1       /**< Half-duplex connection. */
 #define ETH_LINK_FULL_DUPLEX    2       /**< Full-duplex connection. */
+#define ETH_LINK_DOWN           0 /**< Link is down. */
+#define ETH_LINK_UP             1 /**< Link is up. */
 
 /**
  * A structure used to configure the ring threshold registers of an RX/TX
@@ -348,6 +353,17 @@ struct rte_eth_rxmode {
 		enable_lro       : 1; /**< Enable LRO */
 };
 
+/**
+ * VLAN types to indicate if it is for single VLAN, inner VLAN or outer VLAN.
+ * Note that single VLAN is treated the same as inner VLAN.
+ */
+enum rte_vlan_type {
+	ETH_VLAN_TYPE_UNKNOWN = 0,
+	ETH_VLAN_TYPE_INNER, /**< Single VLAN, or inner VLAN. */
+	ETH_VLAN_TYPE_OUTER, /**< Outer VLAN. */
+	ETH_VLAN_TYPE_MAX,
+};
+
 /**
  * A structure used to configure the Receive Side Scaling (RSS) feature
  * of an Ethernet port.
@@ -518,7 +534,7 @@ struct rte_eth_mirror_conf {
 struct rte_eth_rss_reta_entry64 {
 	uint64_t mask;
 	/**< Mask bits indicate which entries need to be updated/queried. */
-	uint8_t reta[RTE_RETA_GROUP_SIZE];
+	uint16_t reta[RTE_RETA_GROUP_SIZE];
 	/**< Group of 64 redirection table entries. */
 };
 
@@ -736,10 +752,14 @@ struct rte_fdir_conf {
 
 /**
  * UDP tunneling configuration.
+ * Used to config the UDP port for a type of tunnel.
+ * NICs need the UDP port to identify the tunnel type.
+ * Normally a type of tunnel has a default UDP port, this structure can be used
+ * in case if the users want to change or support more UDP port.
  */
 struct rte_eth_udp_tunnel {
-	uint16_t udp_port;
-	uint8_t prot_type;
+	uint16_t udp_port; /**< UDP port used for the tunnel. */
+	uint8_t prot_type; /**< Tunnel type. Defined in rte_eth_tunnel_type. */
 };
 
 /**
@@ -808,6 +828,7 @@ struct rte_eth_conf {
 #define DEV_RX_OFFLOAD_TCP_CKSUM   0x00000008
 #define DEV_RX_OFFLOAD_TCP_LRO     0x00000010
 #define DEV_RX_OFFLOAD_QINQ_STRIP  0x00000020
+#define DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM 0x00000040
 
 /**
  * TX offload capabilities of a device.
@@ -861,7 +882,7 @@ struct rte_eth_rxq_info {
 	struct rte_eth_rxconf conf; /**< queue config parameters. */
 	uint8_t scattered_rx;       /**< scattered packets RX supported. */
 	uint16_t nb_desc;           /**< configured number of RXDs. */
-} __rte_cache_aligned;
+} __rte_cache_min_aligned;
 
 /**
  * Ethernet device TX queue information structure.
@@ -870,7 +891,7 @@ struct rte_eth_rxq_info {
 struct rte_eth_txq_info {
 	struct rte_eth_txconf conf; /**< queue config parameters. */
 	uint16_t nb_desc;           /**< configured number of TXDs. */
-} __rte_cache_aligned;
+} __rte_cache_min_aligned;
 
 /** Maximum name length for extended statistics counters */
 #define RTE_ETH_XSTATS_NAME_SIZE 64
@@ -919,12 +940,55 @@ struct rte_eth_dcb_info {
 	struct rte_eth_dcb_tc_queue_mapping tc_queue;
 };
 
+/**
+ * RX/TX queue states
+ */
+#define RTE_ETH_QUEUE_STATE_STOPPED 0
+#define RTE_ETH_QUEUE_STATE_STARTED 1
+
 struct rte_eth_dev;
 
 struct rte_eth_dev_callback;
 /** @internal Structure to keep track of registered callbacks */
 TAILQ_HEAD(rte_eth_dev_cb_list, rte_eth_dev_callback);
 
+
+#ifdef RTE_LIBRTE_ETHDEV_DEBUG
+#define RTE_PMD_DEBUG_TRACE(...) \
+	rte_pmd_debug_trace(__func__, __VA_ARGS__)
+#else
+#define RTE_PMD_DEBUG_TRACE(...)
+#endif
+
+
+/* Macros to check for valid port */
+#define RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, retval) do { \
+	if (!rte_eth_dev_is_valid_port(port_id)) { \
+		RTE_PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id); \
+		return retval; \
+	} \
+} while (0)
+
+#define RTE_ETH_VALID_PORTID_OR_RET(port_id) do { \
+	if (!rte_eth_dev_is_valid_port(port_id)) { \
+		RTE_PMD_DEBUG_TRACE("Invalid port_id=%d\n", port_id); \
+		return; \
+	} \
+} while (0)
+
+/**
+ * l2 tunnel configuration.
+ */
+
+/**< l2 tunnel enable mask */
+#define ETH_L2_TUNNEL_ENABLE_MASK       0x00000001
+/**< l2 tunnel insertion mask */
+#define ETH_L2_TUNNEL_INSERTION_MASK    0x00000002
+/**< l2 tunnel stripping mask */
+#define ETH_L2_TUNNEL_STRIPPING_MASK    0x00000004
+/**< l2 tunnel forwarding mask */
+#define ETH_L2_TUNNEL_FORWARDING_MASK   0x00000008
+
 /*
  * Definitions of all functions exported by an Ethernet driver through the
  * the generic structure of type *eth_dev_ops* supplied in the *rte_eth_dev*
@@ -989,6 +1053,9 @@ typedef void (*eth_dev_infos_get_t)(struct rte_eth_dev *dev,
 				    struct rte_eth_dev_info *dev_info);
 /**< @internal Get specific informations of an Ethernet device. */
 
+typedef const uint32_t *(*eth_dev_supported_ptypes_get_t)(struct rte_eth_dev *dev);
+/**< @internal Get supported ptypes of an Ethernet device. */
+
 typedef int (*eth_queue_start_t)(struct rte_eth_dev *dev,
 				    uint16_t queue_id);
 /**< @internal Start rx and tx of a queue of an Ethernet device. */
@@ -1044,8 +1111,8 @@ typedef int (*vlan_filter_set_t)(struct rte_eth_dev *dev,
 				  int on);
 /**< @internal filtering of a VLAN Tag Identifier by an Ethernet device. */
 
-typedef void (*vlan_tpid_set_t)(struct rte_eth_dev *dev,
-				  uint16_t tpid);
+typedef int (*vlan_tpid_set_t)(struct rte_eth_dev *dev,
+			       enum rte_vlan_type type, uint16_t tpid);
 /**< @internal set the outer VLAN-TPID by an Ethernet device. */
 
 typedef void (*vlan_offload_set_t)(struct rte_eth_dev *dev, int mask);
@@ -1172,13 +1239,13 @@ typedef int (*eth_mirror_rule_reset_t)(struct rte_eth_dev *dev,
 				  uint8_t rule_id);
 /**< @internal Remove a traffic mirroring rule on an Ethernet device */
 
-typedef int (*eth_udp_tunnel_add_t)(struct rte_eth_dev *dev,
-				    struct rte_eth_udp_tunnel *tunnel_udp);
-/**< @internal Add tunneling UDP info */
+typedef int (*eth_udp_tunnel_port_add_t)(struct rte_eth_dev *dev,
+					 struct rte_eth_udp_tunnel *tunnel_udp);
+/**< @internal Add tunneling UDP port */
 
-typedef int (*eth_udp_tunnel_del_t)(struct rte_eth_dev *dev,
-				    struct rte_eth_udp_tunnel *tunnel_udp);
-/**< @internal Delete tunneling UDP info */
+typedef int (*eth_udp_tunnel_port_del_t)(struct rte_eth_dev *dev,
+					 struct rte_eth_udp_tunnel *tunnel_udp);
+/**< @internal Delete tunneling UDP port */
 
 typedef int (*eth_set_mc_addr_list_t)(struct rte_eth_dev *dev,
 				      struct ether_addr *mc_addr_set,
@@ -1200,6 +1267,17 @@ typedef int (*eth_timesync_read_tx_timestamp_t)(struct rte_eth_dev *dev,
 						struct timespec *timestamp);
 /**< @internal Function used to read a TX IEEE1588/802.1AS timestamp. */
 
+typedef int (*eth_timesync_adjust_time)(struct rte_eth_dev *dev, int64_t);
+/**< @internal Function used to adjust the device clock */
+
+typedef int (*eth_timesync_read_time)(struct rte_eth_dev *dev,
+				      struct timespec *timestamp);
+/**< @internal Function used to get time from the device clock. */
+
+typedef int (*eth_timesync_write_time)(struct rte_eth_dev *dev,
+				       const struct timespec *timestamp);
+/**< @internal Function used to get time from the device clock */
+
 typedef int (*eth_get_reg_length_t)(struct rte_eth_dev *dev);
 /**< @internal Retrieve device register count  */
 
@@ -1218,6 +1296,17 @@ typedef int (*eth_set_eeprom_t)(struct rte_eth_dev *dev,
 				struct rte_dev_eeprom_info *info);
 /**< @internal Program eeprom data  */
 
+typedef int (*eth_l2_tunnel_eth_type_conf_t)
+	(struct rte_eth_dev *dev, struct rte_eth_l2_tunnel_conf *l2_tunnel);
+/**< @internal config l2 tunnel ether type */
+
+typedef int (*eth_l2_tunnel_offload_set_t)
+	(struct rte_eth_dev *dev,
+	 struct rte_eth_l2_tunnel_conf *l2_tunnel,
+	 uint32_t mask,
+	 uint8_t en);
+/**< @internal enable/disable the l2 tunnel offload functions */
+
 #ifdef RTE_NIC_BYPASS
 
 enum {
@@ -1304,6 +1393,8 @@ struct eth_dev_ops {
 	eth_queue_stats_mapping_set_t queue_stats_mapping_set;
 	/**< Configure per queue stat counter mapping. */
 	eth_dev_infos_get_t        dev_infos_get; /**< Get device info. */
+	eth_dev_supported_ptypes_get_t dev_supported_ptypes_get;
+	/**< Get packet types supported and identified by device*/
 	mtu_set_t                  mtu_set; /**< Set MTU. */
 	vlan_filter_set_t          vlan_filter_set;  /**< Filter VLAN Setup. */
 	vlan_tpid_set_t            vlan_tpid_set;      /**< Outer VLAN TPID Setup. */
@@ -1340,8 +1431,10 @@ struct eth_dev_ops {
 	eth_set_vf_rx_t            set_vf_rx;  /**< enable/disable a VF receive */
 	eth_set_vf_tx_t            set_vf_tx;  /**< enable/disable a VF transmit */
 	eth_set_vf_vlan_filter_t   set_vf_vlan_filter;  /**< Set VF VLAN filter */
-	eth_udp_tunnel_add_t       udp_tunnel_add;
-	eth_udp_tunnel_del_t       udp_tunnel_del;
+	/** Add UDP tunnel port. */
+	eth_udp_tunnel_port_add_t udp_tunnel_port_add;
+	/** Del UDP tunnel port. */
+	eth_udp_tunnel_port_del_t udp_tunnel_port_del;
 	eth_set_queue_rate_limit_t set_queue_rate_limit;   /**< Set queue rate limit */
 	eth_set_vf_rate_limit_t    set_vf_rate_limit;   /**< Set VF rate limit */
 	/** Update redirection table. */
@@ -1394,6 +1487,16 @@ struct eth_dev_ops {
 
 	/** Get DCB information */
 	eth_get_dcb_info get_dcb_info;
+	/** Adjust the device clock.*/
+	eth_timesync_adjust_time timesync_adjust_time;
+	/** Get the device clock time. */
+	eth_timesync_read_time timesync_read_time;
+	/** Set the device clock time. */
+	eth_timesync_write_time timesync_write_time;
+	/** Config ether type of l2 tunnel */
+	eth_l2_tunnel_eth_type_conf_t l2_tunnel_eth_type_conf;
+	/** Enable/disable l2 tunnel offload functions */
+	eth_l2_tunnel_offload_set_t l2_tunnel_offload_set;
 };
 
 /**
@@ -1553,6 +1656,10 @@ struct rte_eth_dev_data {
 		all_multicast : 1, /**< RX all multicast mode ON(1) / OFF(0). */
 		dev_started : 1,   /**< Device state: STARTED(1) / STOPPED(0). */
 		lro         : 1;   /**< RX LRO is ON(1) / OFF(0) */
+	uint8_t rx_queue_state[RTE_MAX_QUEUES_PER_PORT];
+	/** Queues state: STARTED(1) / STOPPED(0) */
+	uint8_t tx_queue_state[RTE_MAX_QUEUES_PER_PORT];
+	/** Queues state: STARTED(1) / STOPPED(0) */
 	uint32_t dev_flags; /**< Capabilities */
 	enum rte_kernel_driver kdrv;    /**< Kernel driver passthrough */
 	int numa_node;  /**< NUMA node connection */
@@ -1563,6 +1670,8 @@ struct rte_eth_dev_data {
 #define RTE_ETH_DEV_DETACHABLE   0x0001
 /** Device supports link state interrupt */
 #define RTE_ETH_DEV_INTR_LSC     0x0002
+/** Device is a bonded slave */
+#define RTE_ETH_DEV_BONDED_SLAVE 0x0004
 
 /**
  * @internal
@@ -1584,7 +1693,7 @@ extern struct rte_eth_dev rte_eth_devices[];
  * @return
  *   - The total number of usable Ethernet devices.
  */
-extern uint8_t rte_eth_dev_count(void);
+uint8_t rte_eth_dev_count(void);
 
 /**
  * @internal
@@ -1595,7 +1704,7 @@ extern uint8_t rte_eth_dev_count(void);
  * @return
  *   - The pointer to the ethdev slot, on success. NULL on error
  */
-extern struct rte_eth_dev *rte_eth_dev_allocated(const char *name);
+struct rte_eth_dev *rte_eth_dev_allocated(const char *name);
 
 /**
  * @internal
@@ -1731,7 +1840,7 @@ struct eth_driver {
  *   The pointer to the *eth_driver* structure associated with
  *   the Ethernet driver.
  */
-extern void rte_eth_driver_register(struct eth_driver *eth_drv);
+void rte_eth_driver_register(struct eth_driver *eth_drv);
 
 /**
  * Configure an Ethernet device.
@@ -1762,10 +1871,8 @@ extern void rte_eth_driver_register(struct eth_driver *eth_drv);
  *   - 0: Success, device configured.
  *   - <0: Error code returned by the driver configuration function.
  */
-extern int rte_eth_dev_configure(uint8_t port_id,
-				 uint16_t nb_rx_queue,
-				 uint16_t nb_tx_queue,
-				 const struct rte_eth_conf *eth_conf);
+int rte_eth_dev_configure(uint8_t port_id, uint16_t nb_rx_queue,
+		uint16_t nb_tx_queue, const struct rte_eth_conf *eth_conf);
 
 /**
  * Allocate and set up a receive queue for an Ethernet device.
@@ -1806,10 +1913,10 @@ extern int rte_eth_dev_configure(uint8_t port_id,
  *      allocate network memory buffers from the memory pool when
  *      initializing receive descriptors.
  */
-extern int rte_eth_rx_queue_setup(uint8_t port_id, uint16_t rx_queue_id,
-				  uint16_t nb_rx_desc, unsigned int socket_id,
-				  const struct rte_eth_rxconf *rx_conf,
-				  struct rte_mempool *mb_pool);
+int rte_eth_rx_queue_setup(uint8_t port_id, uint16_t rx_queue_id,
+		uint16_t nb_rx_desc, unsigned int socket_id,
+		const struct rte_eth_rxconf *rx_conf,
+		struct rte_mempool *mb_pool);
 
 /**
  * Allocate and set up a transmit queue for an Ethernet device.
@@ -1854,9 +1961,9 @@ extern int rte_eth_rx_queue_setup(uint8_t port_id, uint16_t rx_queue_id,
  *   - 0: Success, the transmit queue is correctly set up.
  *   - -ENOMEM: Unable to allocate the transmit ring descriptors.
  */
-extern int rte_eth_tx_queue_setup(uint8_t port_id, uint16_t tx_queue_id,
-				  uint16_t nb_tx_desc, unsigned int socket_id,
-				  const struct rte_eth_txconf *tx_conf);
+int rte_eth_tx_queue_setup(uint8_t port_id, uint16_t tx_queue_id,
+		uint16_t nb_tx_desc, unsigned int socket_id,
+		const struct rte_eth_txconf *tx_conf);
 
 /*
  * Return the NUMA socket to which an Ethernet device is connected
@@ -1868,7 +1975,7 @@ extern int rte_eth_tx_queue_setup(uint8_t port_id, uint16_t tx_queue_id,
  *   a default of zero if the socket could not be determined.
  *   -1 is returned is the port_id value is out of range.
  */
-extern int rte_eth_dev_socket_id(uint8_t port_id);
+int rte_eth_dev_socket_id(uint8_t port_id);
 
 /*
  * Check if port_id of device is attached
@@ -1879,7 +1986,7 @@ extern int rte_eth_dev_socket_id(uint8_t port_id);
  *   - 0 if port is out of range or not attached
  *   - 1 if device is attached
  */
-extern int rte_eth_dev_is_valid_port(uint8_t port_id);
+int rte_eth_dev_is_valid_port(uint8_t port_id);
 
 /*
  * Allocate mbuf from mempool, setup the DMA physical address
@@ -1897,7 +2004,7 @@ extern int rte_eth_dev_is_valid_port(uint8_t port_id);
  *   - -EINVAL: The port_id or the queue_id out of range.
  *   - -ENOTSUP: The function not supported in PMD driver.
  */
-extern int rte_eth_dev_rx_queue_start(uint8_t port_id, uint16_t rx_queue_id);
+int rte_eth_dev_rx_queue_start(uint8_t port_id, uint16_t rx_queue_id);
 
 /*
  * Stop specified RX queue of a port
@@ -1913,7 +2020,7 @@ extern int rte_eth_dev_rx_queue_start(uint8_t port_id, uint16_t rx_queue_id);
  *   - -EINVAL: The port_id or the queue_id out of range.
  *   - -ENOTSUP: The function not supported in PMD driver.
  */
-extern int rte_eth_dev_rx_queue_stop(uint8_t port_id, uint16_t rx_queue_id);
+int rte_eth_dev_rx_queue_stop(uint8_t port_id, uint16_t rx_queue_id);
 
 /*
  * Start TX for specified queue of a port. It is used when tx_deferred_start
@@ -1930,7 +2037,7 @@ extern int rte_eth_dev_rx_queue_stop(uint8_t port_id, uint16_t rx_queue_id);
  *   - -EINVAL: The port_id or the queue_id out of range.
  *   - -ENOTSUP: The function not supported in PMD driver.
  */
-extern int rte_eth_dev_tx_queue_start(uint8_t port_id, uint16_t tx_queue_id);
+int rte_eth_dev_tx_queue_start(uint8_t port_id, uint16_t tx_queue_id);
 
 /*
  * Stop specified TX queue of a port
@@ -1946,7 +2053,7 @@ extern int rte_eth_dev_tx_queue_start(uint8_t port_id, uint16_t tx_queue_id);
  *   - -EINVAL: The port_id or the queue_id out of range.
  *   - -ENOTSUP: The function not supported in PMD driver.
  */
-extern int rte_eth_dev_tx_queue_stop(uint8_t port_id, uint16_t tx_queue_id);
+int rte_eth_dev_tx_queue_stop(uint8_t port_id, uint16_t tx_queue_id);
 
 
 
@@ -1965,7 +2072,7 @@ extern int rte_eth_dev_tx_queue_stop(uint8_t port_id, uint16_t tx_queue_id);
  *   - 0: Success, Ethernet device started.
  *   - <0: Error code of the driver device start function.
  */
-extern int rte_eth_dev_start(uint8_t port_id);
+int rte_eth_dev_start(uint8_t port_id);
 
 /**
  * Stop an Ethernet device. The device can be restarted with a call to
@@ -1974,7 +2081,7 @@ extern int rte_eth_dev_start(uint8_t port_id);
  * @param port_id
  *   The port identifier of the Ethernet device.
  */
-extern void rte_eth_dev_stop(uint8_t port_id);
+void rte_eth_dev_stop(uint8_t port_id);
 
 
 /**
@@ -1989,7 +2096,7 @@ extern void rte_eth_dev_stop(uint8_t port_id);
  *   - 0: Success, Ethernet device linked up.
  *   - <0: Error code of the driver device link up function.
  */
-extern int rte_eth_dev_set_link_up(uint8_t port_id);
+int rte_eth_dev_set_link_up(uint8_t port_id);
 
 /**
  * Link down an Ethernet device.
@@ -2000,7 +2107,7 @@ extern int rte_eth_dev_set_link_up(uint8_t port_id);
  * @param port_id
  *   The port identifier of the Ethernet device.
  */
-extern int rte_eth_dev_set_link_down(uint8_t port_id);
+int rte_eth_dev_set_link_down(uint8_t port_id);
 
 /**
  * Close a stopped Ethernet device. The device cannot be restarted!
@@ -2010,7 +2117,7 @@ extern int rte_eth_dev_set_link_down(uint8_t port_id);
  * @param port_id
  *   The port identifier of the Ethernet device.
  */
-extern void rte_eth_dev_close(uint8_t port_id);
+void rte_eth_dev_close(uint8_t port_id);
 
 /**
  * Enable receipt in promiscuous mode for an Ethernet device.
@@ -2018,7 +2125,7 @@ extern void rte_eth_dev_close(uint8_t port_id);
  * @param port_id
  *   The port identifier of the Ethernet device.
  */
-extern void rte_eth_promiscuous_enable(uint8_t port_id);
+void rte_eth_promiscuous_enable(uint8_t port_id);
 
 /**
  * Disable receipt in promiscuous mode for an Ethernet device.
@@ -2026,7 +2133,7 @@ extern void rte_eth_promiscuous_enable(uint8_t port_id);
  * @param port_id
  *   The port identifier of the Ethernet device.
  */
-extern void rte_eth_promiscuous_disable(uint8_t port_id);
+void rte_eth_promiscuous_disable(uint8_t port_id);
 
 /**
  * Return the value of promiscuous mode for an Ethernet device.
@@ -2038,7 +2145,7 @@ extern void rte_eth_promiscuous_disable(uint8_t port_id);
  *   - (0) if promiscuous is disabled.
  *   - (-1) on error
  */
-extern int rte_eth_promiscuous_get(uint8_t port_id);
+int rte_eth_promiscuous_get(uint8_t port_id);
 
 /**
  * Enable the receipt of any multicast frame by an Ethernet device.
@@ -2046,7 +2153,7 @@ extern int rte_eth_promiscuous_get(uint8_t port_id);
  * @param port_id
  *   The port identifier of the Ethernet device.
  */
-extern void rte_eth_allmulticast_enable(uint8_t port_id);
+void rte_eth_allmulticast_enable(uint8_t port_id);
 
 /**
  * Disable the receipt of all multicast frames by an Ethernet device.
@@ -2054,7 +2161,7 @@ extern void rte_eth_allmulticast_enable(uint8_t port_id);
  * @param port_id
  *   The port identifier of the Ethernet device.
  */
-extern void rte_eth_allmulticast_disable(uint8_t port_id);
+void rte_eth_allmulticast_disable(uint8_t port_id);
 
 /**
  * Return the value of allmulticast mode for an Ethernet device.
@@ -2066,7 +2173,7 @@ extern void rte_eth_allmulticast_disable(uint8_t port_id);
  *   - (0) if allmulticast is disabled.
  *   - (-1) on error
  */
-extern int rte_eth_allmulticast_get(uint8_t port_id);
+int rte_eth_allmulticast_get(uint8_t port_id);
 
 /**
  * Retrieve the status (ON/OFF), the speed (in Mbps) and the mode (HALF-DUPLEX
@@ -2079,7 +2186,7 @@ extern int rte_eth_allmulticast_get(uint8_t port_id);
  *   A pointer to an *rte_eth_link* structure to be filled with
  *   the status, the speed and the mode of the Ethernet device link.
  */
-extern void rte_eth_link_get(uint8_t port_id, struct rte_eth_link *link);
+void rte_eth_link_get(uint8_t port_id, struct rte_eth_link *link);
 
 /**
  * Retrieve the status (ON/OFF), the speed (in Mbps) and the mode (HALF-DUPLEX
@@ -2092,8 +2199,7 @@ extern void rte_eth_link_get(uint8_t port_id, struct rte_eth_link *link);
  *   A pointer to an *rte_eth_link* structure to be filled with
  *   the status, the speed and the mode of the Ethernet device link.
  */
-extern void rte_eth_link_get_nowait(uint8_t port_id,
-				struct rte_eth_link *link);
+void rte_eth_link_get_nowait(uint8_t port_id, struct rte_eth_link *link);
 
 /**
  * Retrieve the general I/O statistics of an Ethernet device.
@@ -2112,7 +2218,7 @@ extern void rte_eth_link_get_nowait(uint8_t port_id,
  * @return
  *   Zero if successful. Non-zero otherwise.
  */
-extern int rte_eth_stats_get(uint8_t port_id, struct rte_eth_stats *stats);
+int rte_eth_stats_get(uint8_t port_id, struct rte_eth_stats *stats);
 
 /**
  * Reset the general I/O statistics of an Ethernet device.
@@ -2120,7 +2226,7 @@ extern int rte_eth_stats_get(uint8_t port_id, struct rte_eth_stats *stats);
  * @param port_id
  *   The port identifier of the Ethernet device.
  */
-extern void rte_eth_stats_reset(uint8_t port_id);
+void rte_eth_stats_reset(uint8_t port_id);
 
 /**
  * Retrieve extended statistics of an Ethernet device.
@@ -2143,8 +2249,8 @@ extern void rte_eth_stats_reset(uint8_t port_id);
  *     shall not be used by the caller.
  *   - negative value on error (invalid port id)
  */
-extern int rte_eth_xstats_get(uint8_t port_id,
-	struct rte_eth_xstats *xstats, unsigned n);
+int rte_eth_xstats_get(uint8_t port_id, struct rte_eth_xstats *xstats,
+		unsigned n);
 
 /**
  * Reset extended statistics of an Ethernet device.
@@ -2152,7 +2258,7 @@ extern int rte_eth_xstats_get(uint8_t port_id,
  * @param port_id
  *   The port identifier of the Ethernet device.
  */
-extern void rte_eth_xstats_reset(uint8_t port_id);
+void rte_eth_xstats_reset(uint8_t port_id);
 
 /**
  *  Set a mapping for the specified transmit queue to the specified per-queue
@@ -2171,9 +2277,8 @@ extern void rte_eth_xstats_reset(uint8_t port_id);
  * @return
  *   Zero if successful. Non-zero otherwise.
  */
-extern int rte_eth_dev_set_tx_queue_stats_mapping(uint8_t port_id,
-						  uint16_t tx_queue_id,
-						  uint8_t stat_idx);
+int rte_eth_dev_set_tx_queue_stats_mapping(uint8_t port_id,
+		uint16_t tx_queue_id, uint8_t stat_idx);
 
 /**
  *  Set a mapping for the specified receive queue to the specified per-queue
@@ -2192,9 +2297,9 @@ extern int rte_eth_dev_set_tx_queue_stats_mapping(uint8_t port_id,
  * @return
  *   Zero if successful. Non-zero otherwise.
  */
-extern int rte_eth_dev_set_rx_queue_stats_mapping(uint8_t port_id,
-						  uint16_t rx_queue_id,
-						  uint8_t stat_idx);
+int rte_eth_dev_set_rx_queue_stats_mapping(uint8_t port_id,
+					   uint16_t rx_queue_id,
+					   uint8_t stat_idx);
 
 /**
  * Retrieve the Ethernet address of an Ethernet device.
@@ -2205,7 +2310,7 @@ extern int rte_eth_dev_set_rx_queue_stats_mapping(uint8_t port_id,
  *   A pointer to a structure of type *ether_addr* to be filled with
  *   the Ethernet address of the Ethernet device.
  */
-extern void rte_eth_macaddr_get(uint8_t port_id, struct ether_addr *mac_addr);
+void rte_eth_macaddr_get(uint8_t port_id, struct ether_addr *mac_addr);
 
 /**
  * Retrieve the contextual information of an Ethernet device.
@@ -2216,8 +2321,30 @@ extern void rte_eth_macaddr_get(uint8_t port_id, struct ether_addr *mac_addr);
  *   A pointer to a structure of type *rte_eth_dev_info* to be filled with
  *   the contextual information of the Ethernet device.
  */
-extern void rte_eth_dev_info_get(uint8_t port_id,
-				 struct rte_eth_dev_info *dev_info);
+void rte_eth_dev_info_get(uint8_t port_id, struct rte_eth_dev_info *dev_info);
+
+/**
+ * Retrieve the supported packet types of an Ethernet device.
+ *
+ * @note
+ *   Better to invoke this API after the device is already started or rx burst
+ *   function is decided, to obtain correct supported ptypes.
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+ * @param ptype_mask
+ *   A hint of what kind of packet type which the caller is interested in.
+ * @param ptypes
+ *   An array pointer to store adequent packet types, allocated by caller.
+ * @param num
+ *  Size of the array pointed by param ptypes.
+ * @return
+ *   - (>0) Number of supported ptypes. If it exceeds param num, exceeding
+ *          packet types will not be filled in the given array.
+ *   - (0 or -ENOTSUP) if PMD does not fill the specified ptype.
+ *   - (-ENODEV) if *port_id* invalid.
+ */
+int rte_eth_dev_get_supported_ptypes(uint8_t port_id, uint32_t ptype_mask,
+				     uint32_t *ptypes, int num);
 
 /**
  * Retrieve the MTU of an Ethernet device.
@@ -2230,7 +2357,7 @@ extern void rte_eth_dev_info_get(uint8_t port_id,
  *   - (0) if successful.
  *   - (-ENODEV) if *port_id* invalid.
  */
-extern int rte_eth_dev_get_mtu(uint8_t port_id, uint16_t *mtu);
+int rte_eth_dev_get_mtu(uint8_t port_id, uint16_t *mtu);
 
 /**
  * Change the MTU of an Ethernet device.
@@ -2245,7 +2372,7 @@ extern int rte_eth_dev_get_mtu(uint8_t port_id, uint16_t *mtu);
  *   - (-ENODEV) if *port_id* invalid.
  *   - (-EINVAL) if *mtu* invalid.
  */
-extern int rte_eth_dev_set_mtu(uint8_t port_id, uint16_t mtu);
+int rte_eth_dev_set_mtu(uint8_t port_id, uint16_t mtu);
 
 /**
  * Enable/Disable hardware filtering by an Ethernet device of received
@@ -2265,7 +2392,7 @@ extern int rte_eth_dev_set_mtu(uint8_t port_id, uint16_t mtu);
  *   - (-ENOSYS) if VLAN filtering on *port_id* disabled.
  *   - (-EINVAL) if *vlan_id* > 4095.
  */
-extern int rte_eth_dev_vlan_filter(uint8_t port_id, uint16_t vlan_id , int on);
+int rte_eth_dev_vlan_filter(uint8_t port_id, uint16_t vlan_id, int on);
 
 /**
  * Enable/Disable hardware VLAN Strip by a rx queue of an Ethernet device.
@@ -2286,8 +2413,8 @@ extern int rte_eth_dev_vlan_filter(uint8_t port_id, uint16_t vlan_id , int on);
  *   - (-ENODEV) if *port_id* invalid.
  *   - (-EINVAL) if *rx_queue_id* invalid.
  */
-extern int rte_eth_dev_set_vlan_strip_on_queue(uint8_t port_id,
-		uint16_t rx_queue_id, int on);
+int rte_eth_dev_set_vlan_strip_on_queue(uint8_t port_id, uint16_t rx_queue_id,
+		int on);
 
 /**
  * Set the Outer VLAN Ether Type by an Ethernet device, it can be inserted to
@@ -2296,6 +2423,8 @@ extern int rte_eth_dev_set_vlan_strip_on_queue(uint8_t port_id,
  *
  * @param port_id
  *   The port identifier of the Ethernet device.
+ * @param vlan_type
+ *   The vlan type.
  * @param tag_type
  *   The Tag Protocol ID
  * @return
@@ -2303,7 +2432,9 @@ extern int rte_eth_dev_set_vlan_strip_on_queue(uint8_t port_id,
  *   - (-ENOSUP) if hardware-assisted VLAN TPID setup is not supported.
  *   - (-ENODEV) if *port_id* invalid.
  */
-extern int rte_eth_dev_set_vlan_ether_type(uint8_t port_id, uint16_t tag_type);
+int rte_eth_dev_set_vlan_ether_type(uint8_t port_id,
+				    enum rte_vlan_type vlan_type,
+				    uint16_t tag_type);
 
 /**
  * Set VLAN offload configuration on an Ethernet device
@@ -2325,7 +2456,7 @@ extern int rte_eth_dev_set_vlan_ether_type(uint8_t port_id, uint16_t tag_type);
  *   - (-ENOSUP) if hardware-assisted VLAN filtering not configured.
  *   - (-ENODEV) if *port_id* invalid.
  */
-extern int rte_eth_dev_set_vlan_offload(uint8_t port_id, int offload_mask);
+int rte_eth_dev_set_vlan_offload(uint8_t port_id, int offload_mask);
 
 /**
  * Read VLAN Offload configuration from an Ethernet device
@@ -2339,7 +2470,7 @@ extern int rte_eth_dev_set_vlan_offload(uint8_t port_id, int offload_mask);
  *       ETH_VLAN_EXTEND_OFFLOAD
  *   - (-ENODEV) if *port_id* invalid.
  */
-extern int rte_eth_dev_get_vlan_offload(uint8_t port_id);
+int rte_eth_dev_get_vlan_offload(uint8_t port_id);
 
 /**
  * Set port based TX VLAN insersion on or off.
@@ -2355,7 +2486,7 @@ extern int rte_eth_dev_get_vlan_offload(uint8_t port_id);
  *   - (0) if successful.
  *   - negative if failed.
  */
-extern int rte_eth_dev_set_vlan_pvid(uint8_t port_id, uint16_t pvid, int on);
+int rte_eth_dev_set_vlan_pvid(uint8_t port_id, uint16_t pvid, int on);
 
 /**
  *
@@ -2439,18 +2570,21 @@ extern int rte_eth_dev_set_vlan_pvid(uint8_t port_id, uint16_t pvid, int on);
  *   of pointers to *rte_mbuf* structures effectively supplied to the
  *   *rx_pkts* array.
  */
-#ifdef RTE_LIBRTE_ETHDEV_DEBUG
-extern uint16_t rte_eth_rx_burst(uint8_t port_id, uint16_t queue_id,
-				 struct rte_mbuf **rx_pkts, uint16_t nb_pkts);
-#else
 static inline uint16_t
 rte_eth_rx_burst(uint8_t port_id, uint16_t queue_id,
 		 struct rte_mbuf **rx_pkts, const uint16_t nb_pkts)
 {
-	struct rte_eth_dev *dev;
+	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 
-	dev = &rte_eth_devices[port_id];
+#ifdef RTE_LIBRTE_ETHDEV_DEBUG
+	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
+	RTE_FUNC_PTR_OR_ERR_RET(*dev->rx_pkt_burst, 0);
 
+	if (queue_id >= dev->data->nb_rx_queues) {
+		RTE_PMD_DEBUG_TRACE("Invalid RX queue_id=%d\n", queue_id);
+		return 0;
+	}
+#endif
 	int16_t nb_rx = (*dev->rx_pkt_burst)(dev->data->rx_queues[queue_id],
 			rx_pkts, nb_pkts);
 
@@ -2468,7 +2602,6 @@ rte_eth_rx_burst(uint8_t port_id, uint16_t queue_id,
 
 	return nb_rx;
 }
-#endif
 
 /**
  * Get the number of used descriptors in a specific queue
@@ -2478,20 +2611,18 @@ rte_eth_rx_burst(uint8_t port_id, uint16_t queue_id,
  * @param queue_id
  *  The queue id on the specific port.
  * @return
- *  The number of used descriptors in the specific queue.
+ *  The number of used descriptors in the specific queue, or:
+ *     (-EINVAL) if *port_id* is invalid
+ *     (-ENOTSUP) if the device does not support this function
  */
-#ifdef RTE_LIBRTE_ETHDEV_DEBUG
-extern uint32_t rte_eth_rx_queue_count(uint8_t port_id, uint16_t queue_id);
-#else
-static inline uint32_t
+static inline int
 rte_eth_rx_queue_count(uint8_t port_id, uint16_t queue_id)
 {
-        struct rte_eth_dev *dev;
-
-        dev = &rte_eth_devices[port_id];
+	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
+	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -EINVAL);
+	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_queue_count, -ENOTSUP);
         return (*dev->dev_ops->rx_queue_count)(dev, queue_id);
 }
-#endif
 
 /**
  * Check if the DD bit of the specific RX descriptor in the queue has been set
@@ -2506,22 +2637,17 @@ rte_eth_rx_queue_count(uint8_t port_id, uint16_t queue_id)
  *  - (1) if the specific DD bit is set.
  *  - (0) if the specific DD bit is not set.
  *  - (-ENODEV) if *port_id* invalid.
+ *  - (-ENOTSUP) if the device does not support this function
  */
-#ifdef RTE_LIBRTE_ETHDEV_DEBUG
-extern int rte_eth_rx_descriptor_done(uint8_t port_id,
-				      uint16_t queue_id,
-				      uint16_t offset);
-#else
 static inline int
 rte_eth_rx_descriptor_done(uint8_t port_id, uint16_t queue_id, uint16_t offset)
 {
-	struct rte_eth_dev *dev;
-
-	dev = &rte_eth_devices[port_id];
+	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
+	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, -ENODEV);
+	RTE_FUNC_PTR_OR_ERR_RET(*dev->dev_ops->rx_descriptor_done, -ENOTSUP);
 	return (*dev->dev_ops->rx_descriptor_done)( \
 		dev->data->rx_queues[queue_id], offset);
 }
-#endif
 
 /**
  * Send a burst of output packets on a transmit queue of an Ethernet device.
@@ -2581,17 +2707,21 @@ rte_eth_rx_descriptor_done(uint8_t port_id, uint16_t queue_id, uint16_t offset)
  *   the transmit ring. The return value can be less than the value of the
  *   *tx_pkts* parameter when the transmit ring is full or has been filled up.
  */
-#ifdef RTE_LIBRTE_ETHDEV_DEBUG
-extern uint16_t rte_eth_tx_burst(uint8_t port_id, uint16_t queue_id,
-				 struct rte_mbuf **tx_pkts, uint16_t nb_pkts);
-#else
 static inline uint16_t
 rte_eth_tx_burst(uint8_t port_id, uint16_t queue_id,
 		 struct rte_mbuf **tx_pkts, uint16_t nb_pkts)
 {
-	struct rte_eth_dev *dev;
+	struct rte_eth_dev *dev = &rte_eth_devices[port_id];
 
-	dev = &rte_eth_devices[port_id];
+#ifdef RTE_LIBRTE_ETHDEV_DEBUG
+	RTE_ETH_VALID_PORTID_OR_ERR_RET(port_id, 0);
+	RTE_FUNC_PTR_OR_ERR_RET(*dev->tx_pkt_burst, 0);
+
+	if (queue_id >= dev->data->nb_tx_queues) {
+		RTE_PMD_DEBUG_TRACE("Invalid TX queue_id=%d\n", queue_id);
+		return 0;
+	}
+#endif
 
 #ifdef RTE_ETHDEV_RXTX_CALLBACKS
 	struct rte_eth_rxtx_callback *cb = dev->pre_tx_burst_cbs[queue_id];
@@ -2607,7 +2737,210 @@ rte_eth_tx_burst(uint8_t port_id, uint16_t queue_id,
 
 	return (*dev->tx_pkt_burst)(dev->data->tx_queues[queue_id], tx_pkts, nb_pkts);
 }
-#endif
+
+typedef void (*buffer_tx_error_fn)(struct rte_mbuf **unsent, uint16_t count,
+		void *userdata);
+
+/**
+ * Structure used to buffer packets for future TX
+ * Used by APIs rte_eth_tx_buffer and rte_eth_tx_buffer_flush
+ */
+struct rte_eth_dev_tx_buffer {
+	buffer_tx_error_fn error_callback;
+	void *error_userdata;
+	uint16_t size;           /**< Size of buffer for buffered tx */
+	uint16_t length;         /**< Number of packets in the array */
+	struct rte_mbuf *pkts[];
+	/**< Pending packets to be sent on explicit flush or when full */
+};
+
+/**
+ * Calculate the size of the tx buffer.
+ *
+ * @param sz
+ *   Number of stored packets.
+ */
+#define RTE_ETH_TX_BUFFER_SIZE(sz) \
+	(sizeof(struct rte_eth_dev_tx_buffer) + (sz) * sizeof(struct rte_mbuf *))
+
+/**
+ * Initialize default values for buffered transmitting
+ *
+ * @param buffer
+ *   Tx buffer to be initialized.
+ * @param size
+ *   Buffer size
+ * @return
+ *   0 if no error
+ */
+int
+rte_eth_tx_buffer_init(struct rte_eth_dev_tx_buffer *buffer, uint16_t size);
+
+/**
+ * Send any packets queued up for transmission on a port and HW queue
+ *
+ * This causes an explicit flush of packets previously buffered via the
+ * rte_eth_tx_buffer() function. It returns the number of packets successfully
+ * sent to the NIC, and calls the error callback for any unsent packets. Unless
+ * explicitly set up otherwise, the default callback simply frees the unsent
+ * packets back to the owning mempool.
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+ * @param queue_id
+ *   The index of the transmit queue through which output packets must be
+ *   sent.
+ *   The value must be in the range [0, nb_tx_queue - 1] previously supplied
+ *   to rte_eth_dev_configure().
+ * @param buffer
+ *   Buffer of packets to be transmit.
+ * @return
+ *   The number of packets successfully sent to the Ethernet device. The error
+ *   callback is called for any packets which could not be sent.
+ */
+static inline uint16_t
+rte_eth_tx_buffer_flush(uint8_t port_id, uint16_t queue_id,
+		struct rte_eth_dev_tx_buffer *buffer)
+{
+	uint16_t sent;
+	uint16_t to_send = buffer->length;
+
+	if (to_send == 0)
+		return 0;
+
+	sent = rte_eth_tx_burst(port_id, queue_id, buffer->pkts, to_send);
+
+	buffer->length = 0;
+
+	/* All packets sent, or to be dealt with by callback below */
+	if (unlikely(sent != to_send))
+		buffer->error_callback(&buffer->pkts[sent], to_send - sent,
+				buffer->error_userdata);
+
+	return sent;
+}
+
+/**
+ * Buffer a single packet for future transmission on a port and queue
+ *
+ * This function takes a single mbuf/packet and buffers it for later
+ * transmission on the particular port and queue specified. Once the buffer is
+ * full of packets, an attempt will be made to transmit all the buffered
+ * packets. In case of error, where not all packets can be transmitted, a
+ * callback is called with the unsent packets as a parameter. If no callback
+ * is explicitly set up, the unsent packets are just freed back to the owning
+ * mempool. The function returns the number of packets actually sent i.e.
+ * 0 if no buffer flush occurred, otherwise the number of packets successfully
+ * flushed
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+ * @param queue_id
+ *   The index of the transmit queue through which output packets must be
+ *   sent.
+ *   The value must be in the range [0, nb_tx_queue - 1] previously supplied
+ *   to rte_eth_dev_configure().
+ * @param buffer
+ *   Buffer used to collect packets to be sent.
+ * @param tx_pkt
+ *   Pointer to the packet mbuf to be sent.
+ * @return
+ *   0 = packet has been buffered for later transmission
+ *   N > 0 = packet has been buffered, and the buffer was subsequently flushed,
+ *     causing N packets to be sent, and the error callback to be called for
+ *     the rest.
+ */
+static inline uint16_t __attribute__((always_inline))
+rte_eth_tx_buffer(uint8_t port_id, uint16_t queue_id,
+		struct rte_eth_dev_tx_buffer *buffer, struct rte_mbuf *tx_pkt)
+{
+	buffer->pkts[buffer->length++] = tx_pkt;
+	if (buffer->length < buffer->size)
+		return 0;
+
+	return rte_eth_tx_buffer_flush(port_id, queue_id, buffer);
+}
+
+/**
+ * Configure a callback for buffered packets which cannot be sent
+ *
+ * Register a specific callback to be called when an attempt is made to send
+ * all packets buffered on an ethernet port, but not all packets can
+ * successfully be sent. The callback registered here will be called only
+ * from calls to rte_eth_tx_buffer() and rte_eth_tx_buffer_flush() APIs.
+ * The default callback configured for each queue by default just frees the
+ * packets back to the calling mempool. If additional behaviour is required,
+ * for example, to count dropped packets, or to retry transmission of packets
+ * which cannot be sent, this function should be used to register a suitable
+ * callback function to implement the desired behaviour.
+ * The example callback "rte_eth_count_unsent_packet_callback()" is also
+ * provided as reference.
+ *
+ * @param buffer
+ *   The port identifier of the Ethernet device.
+ * @param callback
+ *   The function to be used as the callback.
+ * @param userdata
+ *   Arbitrary parameter to be passed to the callback function
+ * @return
+ *   0 on success, or -1 on error with rte_errno set appropriately
+ */
+int
+rte_eth_tx_buffer_set_err_callback(struct rte_eth_dev_tx_buffer *buffer,
+		buffer_tx_error_fn callback, void *userdata);
+
+/**
+ * Callback function for silently dropping unsent buffered packets.
+ *
+ * This function can be passed to rte_eth_tx_buffer_set_err_callback() to
+ * adjust the default behavior when buffered packets cannot be sent. This
+ * function drops any unsent packets silently and is used by tx buffered
+ * operations as default behavior.
+ *
+ * NOTE: this function should not be called directly, instead it should be used
+ *       as a callback for packet buffering.
+ *
+ * NOTE: when configuring this function as a callback with
+ *       rte_eth_tx_buffer_set_err_callback(), the final, userdata parameter
+ *       should point to an uint64_t value.
+ *
+ * @param pkts
+ *   The previously buffered packets which could not be sent
+ * @param unsent
+ *   The number of unsent packets in the pkts array
+ * @param userdata
+ *   Not used
+ */
+void
+rte_eth_tx_buffer_drop_callback(struct rte_mbuf **pkts, uint16_t unsent,
+		void *userdata);
+
+/**
+ * Callback function for tracking unsent buffered packets.
+ *
+ * This function can be passed to rte_eth_tx_buffer_set_err_callback() to
+ * adjust the default behavior when buffered packets cannot be sent. This
+ * function drops any unsent packets, but also updates a user-supplied counter
+ * to track the overall number of packets dropped. The counter should be an
+ * uint64_t variable.
+ *
+ * NOTE: this function should not be called directly, instead it should be used
+ *       as a callback for packet buffering.
+ *
+ * NOTE: when configuring this function as a callback with
+ *       rte_eth_tx_buffer_set_err_callback(), the final, userdata parameter
+ *       should point to an uint64_t value.
+ *
+ * @param pkts
+ *   The previously buffered packets which could not be sent
+ * @param unsent
+ *   The number of unsent packets in the pkts array
+ * @param userdata
+ *   Pointer to an uint64_t value, which will be incremented by unsent
+ */
+void
+rte_eth_tx_buffer_count_callback(struct rte_mbuf **pkts, uint16_t unsent,
+		void *userdata);
 
 /**
  * The eth device event type for interrupt, and maybe others in the future.
@@ -2615,6 +2948,10 @@ rte_eth_tx_burst(uint8_t port_id, uint16_t queue_id,
 enum rte_eth_event_type {
 	RTE_ETH_EVENT_UNKNOWN,  /**< unknown event type */
 	RTE_ETH_EVENT_INTR_LSC, /**< lsc interrupt event */
+	RTE_ETH_EVENT_QUEUE_STATE,
+				/**< queue state event (enabled/disabled) */
+	RTE_ETH_EVENT_INTR_RESET,
+			/**< reset interrupt event, sent to VF on PF reset */
 	RTE_ETH_EVENT_MAX       /**< max value of this enum */
 };
 
@@ -3112,7 +3449,7 @@ int rte_eth_mirror_rule_reset(uint8_t port_id,
  * @param queue_idx
  *   The queue id.
  * @param tx_rate
- *   The tx rate allocated from the total link speed for this queue.
+ *   The tx rate in Mbps. Allocated from the total port link speed.
  * @return
  *   - (0) if successful.
  *   - (-ENOTSUP) if hardware doesn't support this feature.
@@ -3341,8 +3678,11 @@ rte_eth_dev_rss_hash_conf_get(uint8_t port_id,
 			      struct rte_eth_rss_conf *rss_conf);
 
  /**
- * Add UDP tunneling port of an Ethernet device for filtering a specific
- * tunneling packet by UDP port number.
+ * Add UDP tunneling port for a specific type of tunnel.
+ * The packets with this UDP port will be identified as this type of tunnel.
+ * Before enabling any offloading function for a tunnel, users can call this API
+ * to change or add more UDP port for the tunnel. So the offloading function
+ * can take effect on the packets with the sepcific UDP port.
  *
  * @param port_id
  *   The port identifier of the Ethernet device.
@@ -3355,11 +3695,16 @@ rte_eth_dev_rss_hash_conf_get(uint8_t port_id,
  *   - (-ENOTSUP) if hardware doesn't support tunnel type.
  */
 int
-rte_eth_dev_udp_tunnel_add(uint8_t port_id,
-			   struct rte_eth_udp_tunnel *tunnel_udp);
+rte_eth_dev_udp_tunnel_port_add(uint8_t port_id,
+				struct rte_eth_udp_tunnel *tunnel_udp);
 
  /**
- * Detete UDP tunneling port configuration of Ethernet device
+ * Delete UDP tunneling port a specific type of tunnel.
+ * The packets with this UDP port will not be identified as this type of tunnel
+ * any more.
+ * Before enabling any offloading function for a tunnel, users can call this API
+ * to delete a UDP port for the tunnel. So the offloading function will not take
+ * effect on the packets with the sepcific UDP port.
  *
  * @param port_id
  *   The port identifier of the Ethernet device.
@@ -3372,8 +3717,8 @@ rte_eth_dev_udp_tunnel_add(uint8_t port_id,
  *   - (-ENOTSUP) if hardware doesn't support tunnel type.
  */
 int
-rte_eth_dev_udp_tunnel_delete(uint8_t port_id,
-			      struct rte_eth_udp_tunnel *tunnel_udp);
+rte_eth_dev_udp_tunnel_port_delete(uint8_t port_id,
+				   struct rte_eth_udp_tunnel *tunnel_udp);
 
 /**
  * Check whether the filter type is supported on an Ethernet device.
@@ -3691,7 +4036,7 @@ int rte_eth_dev_set_mc_addr_list(uint8_t port_id,
  *   - -ENODEV: The port ID is invalid.
  *   - -ENOTSUP: The function is not supported by the Ethernet driver.
  */
-extern int rte_eth_timesync_enable(uint8_t port_id);
+int rte_eth_timesync_enable(uint8_t port_id);
 
 /**
  * Disable IEEE1588/802.1AS timestamping for an Ethernet device.
@@ -3704,7 +4049,7 @@ extern int rte_eth_timesync_enable(uint8_t port_id);
  *   - -ENODEV: The port ID is invalid.
  *   - -ENOTSUP: The function is not supported by the Ethernet driver.
  */
-extern int rte_eth_timesync_disable(uint8_t port_id);
+int rte_eth_timesync_disable(uint8_t port_id);
 
 /**
  * Read an IEEE1588/802.1AS RX timestamp from an Ethernet device.
@@ -3723,9 +4068,8 @@ extern int rte_eth_timesync_disable(uint8_t port_id);
  *   - -ENODEV: The port ID is invalid.
  *   - -ENOTSUP: The function is not supported by the Ethernet driver.
  */
-extern int rte_eth_timesync_read_rx_timestamp(uint8_t port_id,
-					      struct timespec *timestamp,
-					      uint32_t flags);
+int rte_eth_timesync_read_rx_timestamp(uint8_t port_id,
+		struct timespec *timestamp, uint32_t flags);
 
 /**
  * Read an IEEE1588/802.1AS TX timestamp from an Ethernet device.
@@ -3741,8 +4085,61 @@ extern int rte_eth_timesync_read_rx_timestamp(uint8_t port_id,
  *   - -ENODEV: The port ID is invalid.
  *   - -ENOTSUP: The function is not supported by the Ethernet driver.
  */
-extern int rte_eth_timesync_read_tx_timestamp(uint8_t port_id,
-					      struct timespec *timestamp);
+int rte_eth_timesync_read_tx_timestamp(uint8_t port_id,
+		struct timespec *timestamp);
+
+/**
+ * Adjust the timesync clock on an Ethernet device.
+ *
+ * This is usually used in conjunction with other Ethdev timesync functions to
+ * synchronize the device time using the IEEE1588/802.1AS protocol.
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+ * @param delta
+ *   The adjustment in nanoseconds.
+ *
+ * @return
+ *   - 0: Success.
+ *   - -ENODEV: The port ID is invalid.
+ *   - -ENOTSUP: The function is not supported by the Ethernet driver.
+ */
+int rte_eth_timesync_adjust_time(uint8_t port_id, int64_t delta);
+
+/**
+ * Read the time from the timesync clock on an Ethernet device.
+ *
+ * This is usually used in conjunction with other Ethdev timesync functions to
+ * synchronize the device time using the IEEE1588/802.1AS protocol.
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+ * @param time
+ *   Pointer to the timespec struct that holds the time.
+ *
+ * @return
+ *   - 0: Success.
+ */
+int rte_eth_timesync_read_time(uint8_t port_id, struct timespec *time);
+
+/**
+ * Set the time of the timesync clock on an Ethernet device.
+ *
+ * This is usually used in conjunction with other Ethdev timesync functions to
+ * synchronize the device time using the IEEE1588/802.1AS protocol.
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+ * @param time
+ *   Pointer to the timespec struct that holds the time.
+ *
+ * @return
+ *   - 0: Success.
+ *   - -EINVAL: No timestamp is available.
+ *   - -ENODEV: The port ID is invalid.
+ *   - -ENOTSUP: The function is not supported by the Ethernet driver.
+ */
+int rte_eth_timesync_write_time(uint8_t port_id, const struct timespec *time);
 
 /**
  * Copy pci device info to the Ethernet device data.
@@ -3755,8 +4152,79 @@ extern int rte_eth_timesync_read_tx_timestamp(uint8_t port_id,
  * @return
  *   - 0 on success, negative on error
  */
-extern void rte_eth_copy_pci_info(struct rte_eth_dev *eth_dev, struct rte_pci_device *pci_dev);
+void rte_eth_copy_pci_info(struct rte_eth_dev *eth_dev,
+		struct rte_pci_device *pci_dev);
 
+/**
+ * Create memzone for HW rings.
+ * malloc can't be used as the physical address is needed.
+ * If the memzone is already created, then this function returns a ptr
+ * to the old one.
+ *
+ * @param eth_dev
+ *   The *eth_dev* pointer is the address of the *rte_eth_dev* structure
+ * @param name
+ *   The name of the memory zone
+ * @param queue_id
+ *   The index of the queue to add to name
+ * @param size
+ *   The sizeof of the memory area
+ * @param align
+ *   Alignment for resulting memzone. Must be a power of 2.
+ * @param socket_id
+ *   The *socket_id* argument is the socket identifier in case of NUMA.
+ */
+const struct rte_memzone *
+rte_eth_dma_zone_reserve(const struct rte_eth_dev *eth_dev, const char *name,
+			 uint16_t queue_id, size_t size,
+			 unsigned align, int socket_id);
+
+/**
+ * Config l2 tunnel ether type of an Ethernet device for filtering specific
+ * tunnel packets by ether type.
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+ * @param l2_tunnel
+ *   l2 tunnel configuration.
+ *
+ * @return
+ *   - (0) if successful.
+ *   - (-ENODEV) if port identifier is invalid.
+ *   - (-ENOTSUP) if hardware doesn't support tunnel type.
+ */
+int
+rte_eth_dev_l2_tunnel_eth_type_conf(uint8_t port_id,
+				    struct rte_eth_l2_tunnel_conf *l2_tunnel);
+
+/**
+ * Enable/disable l2 tunnel offload functions. Include,
+ * 1, The ability of parsing a type of l2 tunnel of an Ethernet device.
+ *    Filtering, forwarding and offloading this type of tunnel packets depend on
+ *    this ability.
+ * 2, Stripping the l2 tunnel tag.
+ * 3, Insertion of the l2 tunnel tag.
+ * 4, Forwarding the packets based on the l2 tunnel tag.
+ *
+ * @param port_id
+ *   The port identifier of the Ethernet device.
+ * @param l2_tunnel
+ *   l2 tunnel parameters.
+ * @param mask
+ *   Indicate the offload function.
+ * @param en
+ *   Enable or disable this function.
+ *
+ * @return
+ *   - (0) if successful.
+ *   - (-ENODEV) if port identifier is invalid.
+ *   - (-ENOTSUP) if hardware doesn't support tunnel type.
+ */
+int
+rte_eth_dev_l2_tunnel_offload_set(uint8_t port_id,
+				  struct rte_eth_l2_tunnel_conf *l2_tunnel,
+				  uint32_t mask,
+				  uint8_t en);
 
 #ifdef __cplusplus
 }