Imported Upstream version 16.04
[deb_dpdk.git] / drivers / net / e1000 / igb_ethdev.c
diff --git a/drivers/net/e1000/igb_ethdev.c b/drivers/net/e1000/igb_ethdev.c
new file mode 100644 (file)
index 0000000..e0053fe
--- /dev/null
@@ -0,0 +1,4982 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
+ *   All rights reserved.
+ *
+ *   Redistribution and use in source and binary forms, with or without
+ *   modification, are permitted provided that the following conditions
+ *   are met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ *       notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above copyright
+ *       notice, this list of conditions and the following disclaimer in
+ *       the documentation and/or other materials provided with the
+ *       distribution.
+ *     * Neither the name of Intel Corporation nor the names of its
+ *       contributors may be used to endorse or promote products derived
+ *       from this software without specific prior written permission.
+ *
+ *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <sys/queue.h>
+#include <stdio.h>
+#include <errno.h>
+#include <stdint.h>
+#include <stdarg.h>
+
+#include <rte_common.h>
+#include <rte_interrupts.h>
+#include <rte_byteorder.h>
+#include <rte_log.h>
+#include <rte_debug.h>
+#include <rte_pci.h>
+#include <rte_ether.h>
+#include <rte_ethdev.h>
+#include <rte_memory.h>
+#include <rte_memzone.h>
+#include <rte_eal.h>
+#include <rte_atomic.h>
+#include <rte_malloc.h>
+#include <rte_dev.h>
+
+#include "e1000_logs.h"
+#include "base/e1000_api.h"
+#include "e1000_ethdev.h"
+#include "igb_regs.h"
+
+/*
+ * Default values for port configuration
+ */
+#define IGB_DEFAULT_RX_FREE_THRESH  32
+
+#define IGB_DEFAULT_RX_PTHRESH      ((hw->mac.type == e1000_i354) ? 12 : 8)
+#define IGB_DEFAULT_RX_HTHRESH      8
+#define IGB_DEFAULT_RX_WTHRESH      ((hw->mac.type == e1000_82576) ? 1 : 4)
+
+#define IGB_DEFAULT_TX_PTHRESH      ((hw->mac.type == e1000_i354) ? 20 : 8)
+#define IGB_DEFAULT_TX_HTHRESH      1
+#define IGB_DEFAULT_TX_WTHRESH      ((hw->mac.type == e1000_82576) ? 1 : 16)
+
+#define IGB_HKEY_MAX_INDEX 10
+
+/* Bit shift and mask */
+#define IGB_4_BIT_WIDTH  (CHAR_BIT / 2)
+#define IGB_4_BIT_MASK   RTE_LEN2MASK(IGB_4_BIT_WIDTH, uint8_t)
+#define IGB_8_BIT_WIDTH  CHAR_BIT
+#define IGB_8_BIT_MASK   UINT8_MAX
+
+/* Additional timesync values. */
+#define E1000_CYCLECOUNTER_MASK      0xffffffffffffffffULL
+#define E1000_ETQF_FILTER_1588       3
+#define IGB_82576_TSYNC_SHIFT        16
+#define E1000_INCPERIOD_82576        (1 << E1000_TIMINCA_16NS_SHIFT)
+#define E1000_INCVALUE_82576         (16 << IGB_82576_TSYNC_SHIFT)
+#define E1000_TSAUXC_DISABLE_SYSTIME 0x80000000
+
+static int  eth_igb_configure(struct rte_eth_dev *dev);
+static int  eth_igb_start(struct rte_eth_dev *dev);
+static void eth_igb_stop(struct rte_eth_dev *dev);
+static void eth_igb_close(struct rte_eth_dev *dev);
+static void eth_igb_promiscuous_enable(struct rte_eth_dev *dev);
+static void eth_igb_promiscuous_disable(struct rte_eth_dev *dev);
+static void eth_igb_allmulticast_enable(struct rte_eth_dev *dev);
+static void eth_igb_allmulticast_disable(struct rte_eth_dev *dev);
+static int  eth_igb_link_update(struct rte_eth_dev *dev,
+                               int wait_to_complete);
+static void eth_igb_stats_get(struct rte_eth_dev *dev,
+                               struct rte_eth_stats *rte_stats);
+static int eth_igb_xstats_get(struct rte_eth_dev *dev,
+                             struct rte_eth_xstats *xstats, unsigned n);
+static void eth_igb_stats_reset(struct rte_eth_dev *dev);
+static void eth_igb_xstats_reset(struct rte_eth_dev *dev);
+static void eth_igb_infos_get(struct rte_eth_dev *dev,
+                             struct rte_eth_dev_info *dev_info);
+static const uint32_t *eth_igb_supported_ptypes_get(struct rte_eth_dev *dev);
+static void eth_igbvf_infos_get(struct rte_eth_dev *dev,
+                               struct rte_eth_dev_info *dev_info);
+static int  eth_igb_flow_ctrl_get(struct rte_eth_dev *dev,
+                               struct rte_eth_fc_conf *fc_conf);
+static int  eth_igb_flow_ctrl_set(struct rte_eth_dev *dev,
+                               struct rte_eth_fc_conf *fc_conf);
+static int eth_igb_lsc_interrupt_setup(struct rte_eth_dev *dev);
+static int eth_igb_rxq_interrupt_setup(struct rte_eth_dev *dev);
+static int eth_igb_interrupt_get_status(struct rte_eth_dev *dev);
+static int eth_igb_interrupt_action(struct rte_eth_dev *dev);
+static void eth_igb_interrupt_handler(struct rte_intr_handle *handle,
+                                                       void *param);
+static int  igb_hardware_init(struct e1000_hw *hw);
+static void igb_hw_control_acquire(struct e1000_hw *hw);
+static void igb_hw_control_release(struct e1000_hw *hw);
+static void igb_init_manageability(struct e1000_hw *hw);
+static void igb_release_manageability(struct e1000_hw *hw);
+
+static int  eth_igb_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
+
+static int eth_igb_vlan_filter_set(struct rte_eth_dev *dev,
+               uint16_t vlan_id, int on);
+static int eth_igb_vlan_tpid_set(struct rte_eth_dev *dev,
+                                enum rte_vlan_type vlan_type,
+                                uint16_t tpid_id);
+static void eth_igb_vlan_offload_set(struct rte_eth_dev *dev, int mask);
+
+static void igb_vlan_hw_filter_enable(struct rte_eth_dev *dev);
+static void igb_vlan_hw_filter_disable(struct rte_eth_dev *dev);
+static void igb_vlan_hw_strip_enable(struct rte_eth_dev *dev);
+static void igb_vlan_hw_strip_disable(struct rte_eth_dev *dev);
+static void igb_vlan_hw_extend_enable(struct rte_eth_dev *dev);
+static void igb_vlan_hw_extend_disable(struct rte_eth_dev *dev);
+
+static int eth_igb_led_on(struct rte_eth_dev *dev);
+static int eth_igb_led_off(struct rte_eth_dev *dev);
+
+static void igb_intr_disable(struct e1000_hw *hw);
+static int  igb_get_rx_buffer_size(struct e1000_hw *hw);
+static void eth_igb_rar_set(struct rte_eth_dev *dev,
+               struct ether_addr *mac_addr,
+               uint32_t index, uint32_t pool);
+static void eth_igb_rar_clear(struct rte_eth_dev *dev, uint32_t index);
+static void eth_igb_default_mac_addr_set(struct rte_eth_dev *dev,
+               struct ether_addr *addr);
+
+static void igbvf_intr_disable(struct e1000_hw *hw);
+static int igbvf_dev_configure(struct rte_eth_dev *dev);
+static int igbvf_dev_start(struct rte_eth_dev *dev);
+static void igbvf_dev_stop(struct rte_eth_dev *dev);
+static void igbvf_dev_close(struct rte_eth_dev *dev);
+static void igbvf_promiscuous_enable(struct rte_eth_dev *dev);
+static void igbvf_promiscuous_disable(struct rte_eth_dev *dev);
+static void igbvf_allmulticast_enable(struct rte_eth_dev *dev);
+static void igbvf_allmulticast_disable(struct rte_eth_dev *dev);
+static int eth_igbvf_link_update(struct e1000_hw *hw);
+static void eth_igbvf_stats_get(struct rte_eth_dev *dev,
+                               struct rte_eth_stats *rte_stats);
+static int eth_igbvf_xstats_get(struct rte_eth_dev *dev,
+                               struct rte_eth_xstats *xstats, unsigned n);
+static void eth_igbvf_stats_reset(struct rte_eth_dev *dev);
+static int igbvf_vlan_filter_set(struct rte_eth_dev *dev,
+               uint16_t vlan_id, int on);
+static int igbvf_set_vfta(struct e1000_hw *hw, uint16_t vid, bool on);
+static void igbvf_set_vfta_all(struct rte_eth_dev *dev, bool on);
+static void igbvf_default_mac_addr_set(struct rte_eth_dev *dev,
+               struct ether_addr *addr);
+static int igbvf_get_reg_length(struct rte_eth_dev *dev);
+static int igbvf_get_regs(struct rte_eth_dev *dev,
+               struct rte_dev_reg_info *regs);
+
+static int eth_igb_rss_reta_update(struct rte_eth_dev *dev,
+                                  struct rte_eth_rss_reta_entry64 *reta_conf,
+                                  uint16_t reta_size);
+static int eth_igb_rss_reta_query(struct rte_eth_dev *dev,
+                                 struct rte_eth_rss_reta_entry64 *reta_conf,
+                                 uint16_t reta_size);
+
+static int eth_igb_syn_filter_set(struct rte_eth_dev *dev,
+                       struct rte_eth_syn_filter *filter,
+                       bool add);
+static int eth_igb_syn_filter_get(struct rte_eth_dev *dev,
+                       struct rte_eth_syn_filter *filter);
+static int eth_igb_syn_filter_handle(struct rte_eth_dev *dev,
+                       enum rte_filter_op filter_op,
+                       void *arg);
+static int igb_add_2tuple_filter(struct rte_eth_dev *dev,
+                       struct rte_eth_ntuple_filter *ntuple_filter);
+static int igb_remove_2tuple_filter(struct rte_eth_dev *dev,
+                       struct rte_eth_ntuple_filter *ntuple_filter);
+static int eth_igb_add_del_flex_filter(struct rte_eth_dev *dev,
+                       struct rte_eth_flex_filter *filter,
+                       bool add);
+static int eth_igb_get_flex_filter(struct rte_eth_dev *dev,
+                       struct rte_eth_flex_filter *filter);
+static int eth_igb_flex_filter_handle(struct rte_eth_dev *dev,
+                       enum rte_filter_op filter_op,
+                       void *arg);
+static int igb_add_5tuple_filter_82576(struct rte_eth_dev *dev,
+                       struct rte_eth_ntuple_filter *ntuple_filter);
+static int igb_remove_5tuple_filter_82576(struct rte_eth_dev *dev,
+                       struct rte_eth_ntuple_filter *ntuple_filter);
+static int igb_add_del_ntuple_filter(struct rte_eth_dev *dev,
+                       struct rte_eth_ntuple_filter *filter,
+                       bool add);
+static int igb_get_ntuple_filter(struct rte_eth_dev *dev,
+                       struct rte_eth_ntuple_filter *filter);
+static int igb_ntuple_filter_handle(struct rte_eth_dev *dev,
+                               enum rte_filter_op filter_op,
+                               void *arg);
+static int igb_add_del_ethertype_filter(struct rte_eth_dev *dev,
+                       struct rte_eth_ethertype_filter *filter,
+                       bool add);
+static int igb_ethertype_filter_handle(struct rte_eth_dev *dev,
+                               enum rte_filter_op filter_op,
+                               void *arg);
+static int igb_get_ethertype_filter(struct rte_eth_dev *dev,
+                       struct rte_eth_ethertype_filter *filter);
+static int eth_igb_filter_ctrl(struct rte_eth_dev *dev,
+                    enum rte_filter_type filter_type,
+                    enum rte_filter_op filter_op,
+                    void *arg);
+static int eth_igb_get_reg_length(struct rte_eth_dev *dev);
+static int eth_igb_get_regs(struct rte_eth_dev *dev,
+               struct rte_dev_reg_info *regs);
+static int eth_igb_get_eeprom_length(struct rte_eth_dev *dev);
+static int eth_igb_get_eeprom(struct rte_eth_dev *dev,
+               struct rte_dev_eeprom_info *eeprom);
+static int eth_igb_set_eeprom(struct rte_eth_dev *dev,
+               struct rte_dev_eeprom_info *eeprom);
+static int eth_igb_set_mc_addr_list(struct rte_eth_dev *dev,
+                                   struct ether_addr *mc_addr_set,
+                                   uint32_t nb_mc_addr);
+static int igb_timesync_enable(struct rte_eth_dev *dev);
+static int igb_timesync_disable(struct rte_eth_dev *dev);
+static int igb_timesync_read_rx_timestamp(struct rte_eth_dev *dev,
+                                         struct timespec *timestamp,
+                                         uint32_t flags);
+static int igb_timesync_read_tx_timestamp(struct rte_eth_dev *dev,
+                                         struct timespec *timestamp);
+static int igb_timesync_adjust_time(struct rte_eth_dev *dev, int64_t delta);
+static int igb_timesync_read_time(struct rte_eth_dev *dev,
+                                 struct timespec *timestamp);
+static int igb_timesync_write_time(struct rte_eth_dev *dev,
+                                  const struct timespec *timestamp);
+static int eth_igb_rx_queue_intr_enable(struct rte_eth_dev *dev,
+                                       uint16_t queue_id);
+static int eth_igb_rx_queue_intr_disable(struct rte_eth_dev *dev,
+                                        uint16_t queue_id);
+static void eth_igb_assign_msix_vector(struct e1000_hw *hw, int8_t direction,
+                                      uint8_t queue, uint8_t msix_vector);
+static void eth_igb_write_ivar(struct e1000_hw *hw, uint8_t msix_vector,
+                              uint8_t index, uint8_t offset);
+static void eth_igb_configure_msix_intr(struct rte_eth_dev *dev);
+
+/*
+ * Define VF Stats MACRO for Non "cleared on read" register
+ */
+#define UPDATE_VF_STAT(reg, last, cur)            \
+{                                                 \
+       u32 latest = E1000_READ_REG(hw, reg);     \
+       cur += (latest - last) & UINT_MAX;        \
+       last = latest;                            \
+}
+
+#define IGB_FC_PAUSE_TIME 0x0680
+#define IGB_LINK_UPDATE_CHECK_TIMEOUT  90  /* 9s */
+#define IGB_LINK_UPDATE_CHECK_INTERVAL 100 /* ms */
+
+#define IGBVF_PMD_NAME "rte_igbvf_pmd"     /* PMD name */
+
+static enum e1000_fc_mode igb_fc_setting = e1000_fc_full;
+
+/*
+ * The set of PCI devices this driver supports
+ */
+static const struct rte_pci_id pci_id_igb_map[] = {
+
+#define RTE_PCI_DEV_ID_DECL_IGB(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
+#include "rte_pci_dev_ids.h"
+
+{0},
+};
+
+/*
+ * The set of PCI devices this driver supports (for 82576&I350 VF)
+ */
+static const struct rte_pci_id pci_id_igbvf_map[] = {
+
+#define RTE_PCI_DEV_ID_DECL_IGBVF(vend, dev) {RTE_PCI_DEVICE(vend, dev)},
+#include "rte_pci_dev_ids.h"
+
+{0},
+};
+
+static const struct rte_eth_desc_lim rx_desc_lim = {
+       .nb_max = E1000_MAX_RING_DESC,
+       .nb_min = E1000_MIN_RING_DESC,
+       .nb_align = IGB_RXD_ALIGN,
+};
+
+static const struct rte_eth_desc_lim tx_desc_lim = {
+       .nb_max = E1000_MAX_RING_DESC,
+       .nb_min = E1000_MIN_RING_DESC,
+       .nb_align = IGB_RXD_ALIGN,
+};
+
+static const struct eth_dev_ops eth_igb_ops = {
+       .dev_configure        = eth_igb_configure,
+       .dev_start            = eth_igb_start,
+       .dev_stop             = eth_igb_stop,
+       .dev_close            = eth_igb_close,
+       .promiscuous_enable   = eth_igb_promiscuous_enable,
+       .promiscuous_disable  = eth_igb_promiscuous_disable,
+       .allmulticast_enable  = eth_igb_allmulticast_enable,
+       .allmulticast_disable = eth_igb_allmulticast_disable,
+       .link_update          = eth_igb_link_update,
+       .stats_get            = eth_igb_stats_get,
+       .xstats_get           = eth_igb_xstats_get,
+       .stats_reset          = eth_igb_stats_reset,
+       .xstats_reset         = eth_igb_xstats_reset,
+       .dev_infos_get        = eth_igb_infos_get,
+       .dev_supported_ptypes_get = eth_igb_supported_ptypes_get,
+       .mtu_set              = eth_igb_mtu_set,
+       .vlan_filter_set      = eth_igb_vlan_filter_set,
+       .vlan_tpid_set        = eth_igb_vlan_tpid_set,
+       .vlan_offload_set     = eth_igb_vlan_offload_set,
+       .rx_queue_setup       = eth_igb_rx_queue_setup,
+       .rx_queue_intr_enable = eth_igb_rx_queue_intr_enable,
+       .rx_queue_intr_disable = eth_igb_rx_queue_intr_disable,
+       .rx_queue_release     = eth_igb_rx_queue_release,
+       .rx_queue_count       = eth_igb_rx_queue_count,
+       .rx_descriptor_done   = eth_igb_rx_descriptor_done,
+       .tx_queue_setup       = eth_igb_tx_queue_setup,
+       .tx_queue_release     = eth_igb_tx_queue_release,
+       .dev_led_on           = eth_igb_led_on,
+       .dev_led_off          = eth_igb_led_off,
+       .flow_ctrl_get        = eth_igb_flow_ctrl_get,
+       .flow_ctrl_set        = eth_igb_flow_ctrl_set,
+       .mac_addr_add         = eth_igb_rar_set,
+       .mac_addr_remove      = eth_igb_rar_clear,
+       .mac_addr_set         = eth_igb_default_mac_addr_set,
+       .reta_update          = eth_igb_rss_reta_update,
+       .reta_query           = eth_igb_rss_reta_query,
+       .rss_hash_update      = eth_igb_rss_hash_update,
+       .rss_hash_conf_get    = eth_igb_rss_hash_conf_get,
+       .filter_ctrl          = eth_igb_filter_ctrl,
+       .set_mc_addr_list     = eth_igb_set_mc_addr_list,
+       .rxq_info_get         = igb_rxq_info_get,
+       .txq_info_get         = igb_txq_info_get,
+       .timesync_enable      = igb_timesync_enable,
+       .timesync_disable     = igb_timesync_disable,
+       .timesync_read_rx_timestamp = igb_timesync_read_rx_timestamp,
+       .timesync_read_tx_timestamp = igb_timesync_read_tx_timestamp,
+       .get_reg_length       = eth_igb_get_reg_length,
+       .get_reg              = eth_igb_get_regs,
+       .get_eeprom_length    = eth_igb_get_eeprom_length,
+       .get_eeprom           = eth_igb_get_eeprom,
+       .set_eeprom           = eth_igb_set_eeprom,
+       .timesync_adjust_time = igb_timesync_adjust_time,
+       .timesync_read_time   = igb_timesync_read_time,
+       .timesync_write_time  = igb_timesync_write_time,
+};
+
+/*
+ * dev_ops for virtual function, bare necessities for basic vf
+ * operation have been implemented
+ */
+static const struct eth_dev_ops igbvf_eth_dev_ops = {
+       .dev_configure        = igbvf_dev_configure,
+       .dev_start            = igbvf_dev_start,
+       .dev_stop             = igbvf_dev_stop,
+       .dev_close            = igbvf_dev_close,
+       .promiscuous_enable   = igbvf_promiscuous_enable,
+       .promiscuous_disable  = igbvf_promiscuous_disable,
+       .allmulticast_enable  = igbvf_allmulticast_enable,
+       .allmulticast_disable = igbvf_allmulticast_disable,
+       .link_update          = eth_igb_link_update,
+       .stats_get            = eth_igbvf_stats_get,
+       .xstats_get           = eth_igbvf_xstats_get,
+       .stats_reset          = eth_igbvf_stats_reset,
+       .xstats_reset         = eth_igbvf_stats_reset,
+       .vlan_filter_set      = igbvf_vlan_filter_set,
+       .dev_infos_get        = eth_igbvf_infos_get,
+       .dev_supported_ptypes_get = eth_igb_supported_ptypes_get,
+       .rx_queue_setup       = eth_igb_rx_queue_setup,
+       .rx_queue_release     = eth_igb_rx_queue_release,
+       .tx_queue_setup       = eth_igb_tx_queue_setup,
+       .tx_queue_release     = eth_igb_tx_queue_release,
+       .set_mc_addr_list     = eth_igb_set_mc_addr_list,
+       .rxq_info_get         = igb_rxq_info_get,
+       .txq_info_get         = igb_txq_info_get,
+       .mac_addr_set         = igbvf_default_mac_addr_set,
+       .get_reg_length       = igbvf_get_reg_length,
+       .get_reg              = igbvf_get_regs,
+};
+
+/* store statistics names and its offset in stats structure */
+struct rte_igb_xstats_name_off {
+       char name[RTE_ETH_XSTATS_NAME_SIZE];
+       unsigned offset;
+};
+
+static const struct rte_igb_xstats_name_off rte_igb_stats_strings[] = {
+       {"rx_crc_errors", offsetof(struct e1000_hw_stats, crcerrs)},
+       {"rx_align_errors", offsetof(struct e1000_hw_stats, algnerrc)},
+       {"rx_symbol_errors", offsetof(struct e1000_hw_stats, symerrs)},
+       {"rx_missed_packets", offsetof(struct e1000_hw_stats, mpc)},
+       {"tx_single_collision_packets", offsetof(struct e1000_hw_stats, scc)},
+       {"tx_multiple_collision_packets", offsetof(struct e1000_hw_stats, mcc)},
+       {"tx_excessive_collision_packets", offsetof(struct e1000_hw_stats,
+               ecol)},
+       {"tx_late_collisions", offsetof(struct e1000_hw_stats, latecol)},
+       {"tx_total_collisions", offsetof(struct e1000_hw_stats, colc)},
+       {"tx_deferred_packets", offsetof(struct e1000_hw_stats, dc)},
+       {"tx_no_carrier_sense_packets", offsetof(struct e1000_hw_stats, tncrs)},
+       {"rx_carrier_ext_errors", offsetof(struct e1000_hw_stats, cexterr)},
+       {"rx_length_errors", offsetof(struct e1000_hw_stats, rlec)},
+       {"rx_xon_packets", offsetof(struct e1000_hw_stats, xonrxc)},
+       {"tx_xon_packets", offsetof(struct e1000_hw_stats, xontxc)},
+       {"rx_xoff_packets", offsetof(struct e1000_hw_stats, xoffrxc)},
+       {"tx_xoff_packets", offsetof(struct e1000_hw_stats, xofftxc)},
+       {"rx_flow_control_unsupported_packets", offsetof(struct e1000_hw_stats,
+               fcruc)},
+       {"rx_size_64_packets", offsetof(struct e1000_hw_stats, prc64)},
+       {"rx_size_65_to_127_packets", offsetof(struct e1000_hw_stats, prc127)},
+       {"rx_size_128_to_255_packets", offsetof(struct e1000_hw_stats, prc255)},
+       {"rx_size_256_to_511_packets", offsetof(struct e1000_hw_stats, prc511)},
+       {"rx_size_512_to_1023_packets", offsetof(struct e1000_hw_stats,
+               prc1023)},
+       {"rx_size_1024_to_max_packets", offsetof(struct e1000_hw_stats,
+               prc1522)},
+       {"rx_broadcast_packets", offsetof(struct e1000_hw_stats, bprc)},
+       {"rx_multicast_packets", offsetof(struct e1000_hw_stats, mprc)},
+       {"rx_undersize_errors", offsetof(struct e1000_hw_stats, ruc)},
+       {"rx_fragment_errors", offsetof(struct e1000_hw_stats, rfc)},
+       {"rx_oversize_errors", offsetof(struct e1000_hw_stats, roc)},
+       {"rx_jabber_errors", offsetof(struct e1000_hw_stats, rjc)},
+       {"rx_management_packets", offsetof(struct e1000_hw_stats, mgprc)},
+       {"rx_management_dropped", offsetof(struct e1000_hw_stats, mgpdc)},
+       {"tx_management_packets", offsetof(struct e1000_hw_stats, mgptc)},
+       {"rx_total_packets", offsetof(struct e1000_hw_stats, tpr)},
+       {"tx_total_packets", offsetof(struct e1000_hw_stats, tpt)},
+       {"rx_total_bytes", offsetof(struct e1000_hw_stats, tor)},
+       {"tx_total_bytes", offsetof(struct e1000_hw_stats, tot)},
+       {"tx_size_64_packets", offsetof(struct e1000_hw_stats, ptc64)},
+       {"tx_size_65_to_127_packets", offsetof(struct e1000_hw_stats, ptc127)},
+       {"tx_size_128_to_255_packets", offsetof(struct e1000_hw_stats, ptc255)},
+       {"tx_size_256_to_511_packets", offsetof(struct e1000_hw_stats, ptc511)},
+       {"tx_size_512_to_1023_packets", offsetof(struct e1000_hw_stats,
+               ptc1023)},
+       {"tx_size_1023_to_max_packets", offsetof(struct e1000_hw_stats,
+               ptc1522)},
+       {"tx_multicast_packets", offsetof(struct e1000_hw_stats, mptc)},
+       {"tx_broadcast_packets", offsetof(struct e1000_hw_stats, bptc)},
+       {"tx_tso_packets", offsetof(struct e1000_hw_stats, tsctc)},
+       {"tx_tso_errors", offsetof(struct e1000_hw_stats, tsctfc)},
+       {"rx_sent_to_host_packets", offsetof(struct e1000_hw_stats, rpthc)},
+       {"tx_sent_by_host_packets", offsetof(struct e1000_hw_stats, hgptc)},
+       {"rx_code_violation_packets", offsetof(struct e1000_hw_stats, scvpc)},
+
+       {"interrupt_assert_count", offsetof(struct e1000_hw_stats, iac)},
+};
+
+#define IGB_NB_XSTATS (sizeof(rte_igb_stats_strings) / \
+               sizeof(rte_igb_stats_strings[0]))
+
+static const struct rte_igb_xstats_name_off rte_igbvf_stats_strings[] = {
+       {"rx_multicast_packets", offsetof(struct e1000_vf_stats, mprc)},
+       {"rx_good_loopback_packets", offsetof(struct e1000_vf_stats, gprlbc)},
+       {"tx_good_loopback_packets", offsetof(struct e1000_vf_stats, gptlbc)},
+       {"rx_good_loopback_bytes", offsetof(struct e1000_vf_stats, gorlbc)},
+       {"tx_good_loopback_bytes", offsetof(struct e1000_vf_stats, gotlbc)},
+};
+
+#define IGBVF_NB_XSTATS (sizeof(rte_igbvf_stats_strings) / \
+               sizeof(rte_igbvf_stats_strings[0]))
+
+/**
+ * Atomically reads the link status information from global
+ * structure rte_eth_dev.
+ *
+ * @param dev
+ *   - Pointer to the structure rte_eth_dev to read from.
+ *   - Pointer to the buffer to be saved with the link status.
+ *
+ * @return
+ *   - On success, zero.
+ *   - On failure, negative value.
+ */
+static inline int
+rte_igb_dev_atomic_read_link_status(struct rte_eth_dev *dev,
+                               struct rte_eth_link *link)
+{
+       struct rte_eth_link *dst = link;
+       struct rte_eth_link *src = &(dev->data->dev_link);
+
+       if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
+                                       *(uint64_t *)src) == 0)
+               return -1;
+
+       return 0;
+}
+
+/**
+ * Atomically writes the link status information into global
+ * structure rte_eth_dev.
+ *
+ * @param dev
+ *   - Pointer to the structure rte_eth_dev to read from.
+ *   - Pointer to the buffer to be saved with the link status.
+ *
+ * @return
+ *   - On success, zero.
+ *   - On failure, negative value.
+ */
+static inline int
+rte_igb_dev_atomic_write_link_status(struct rte_eth_dev *dev,
+                               struct rte_eth_link *link)
+{
+       struct rte_eth_link *dst = &(dev->data->dev_link);
+       struct rte_eth_link *src = link;
+
+       if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
+                                       *(uint64_t *)src) == 0)
+               return -1;
+
+       return 0;
+}
+
+static inline void
+igb_intr_enable(struct rte_eth_dev *dev)
+{
+       struct e1000_interrupt *intr =
+               E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       E1000_WRITE_REG(hw, E1000_IMS, intr->mask);
+       E1000_WRITE_FLUSH(hw);
+}
+
+static void
+igb_intr_disable(struct e1000_hw *hw)
+{
+       E1000_WRITE_REG(hw, E1000_IMC, ~0);
+       E1000_WRITE_FLUSH(hw);
+}
+
+static inline int32_t
+igb_pf_reset_hw(struct e1000_hw *hw)
+{
+       uint32_t ctrl_ext;
+       int32_t status;
+
+       status = e1000_reset_hw(hw);
+
+       ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
+       /* Set PF Reset Done bit so PF/VF Mail Ops can work */
+       ctrl_ext |= E1000_CTRL_EXT_PFRSTD;
+       E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
+       E1000_WRITE_FLUSH(hw);
+
+       return status;
+}
+
+static void
+igb_identify_hardware(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       hw->vendor_id = dev->pci_dev->id.vendor_id;
+       hw->device_id = dev->pci_dev->id.device_id;
+       hw->subsystem_vendor_id = dev->pci_dev->id.subsystem_vendor_id;
+       hw->subsystem_device_id = dev->pci_dev->id.subsystem_device_id;
+
+       e1000_set_mac_type(hw);
+
+       /* need to check if it is a vf device below */
+}
+
+static int
+igb_reset_swfw_lock(struct e1000_hw *hw)
+{
+       int ret_val;
+
+       /*
+        * Do mac ops initialization manually here, since we will need
+        * some function pointers set by this call.
+        */
+       ret_val = e1000_init_mac_params(hw);
+       if (ret_val)
+               return ret_val;
+
+       /*
+        * SMBI lock should not fail in this early stage. If this is the case,
+        * it is due to an improper exit of the application.
+        * So force the release of the faulty lock.
+        */
+       if (e1000_get_hw_semaphore_generic(hw) < 0) {
+               PMD_DRV_LOG(DEBUG, "SMBI lock released");
+       }
+       e1000_put_hw_semaphore_generic(hw);
+
+       if (hw->mac.ops.acquire_swfw_sync != NULL) {
+               uint16_t mask;
+
+               /*
+                * Phy lock should not fail in this early stage. If this is the case,
+                * it is due to an improper exit of the application.
+                * So force the release of the faulty lock.
+                */
+               mask = E1000_SWFW_PHY0_SM << hw->bus.func;
+               if (hw->bus.func > E1000_FUNC_1)
+                       mask <<= 2;
+               if (hw->mac.ops.acquire_swfw_sync(hw, mask) < 0) {
+                       PMD_DRV_LOG(DEBUG, "SWFW phy%d lock released",
+                                   hw->bus.func);
+               }
+               hw->mac.ops.release_swfw_sync(hw, mask);
+
+               /*
+                * This one is more tricky since it is common to all ports; but
+                * swfw_sync retries last long enough (1s) to be almost sure that if
+                * lock can not be taken it is due to an improper lock of the
+                * semaphore.
+                */
+               mask = E1000_SWFW_EEP_SM;
+               if (hw->mac.ops.acquire_swfw_sync(hw, mask) < 0) {
+                       PMD_DRV_LOG(DEBUG, "SWFW common locks released");
+               }
+               hw->mac.ops.release_swfw_sync(hw, mask);
+       }
+
+       return E1000_SUCCESS;
+}
+
+static int
+eth_igb_dev_init(struct rte_eth_dev *eth_dev)
+{
+       int error = 0;
+       struct rte_pci_device *pci_dev;
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
+       struct e1000_vfta * shadow_vfta =
+               E1000_DEV_PRIVATE_TO_VFTA(eth_dev->data->dev_private);
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(eth_dev->data->dev_private);
+       struct e1000_adapter *adapter =
+               E1000_DEV_PRIVATE(eth_dev->data->dev_private);
+
+       uint32_t ctrl_ext;
+
+       pci_dev = eth_dev->pci_dev;
+
+       eth_dev->dev_ops = &eth_igb_ops;
+       eth_dev->rx_pkt_burst = &eth_igb_recv_pkts;
+       eth_dev->tx_pkt_burst = &eth_igb_xmit_pkts;
+
+       /* for secondary processes, we don't initialise any further as primary
+        * has already done this work. Only check we don't need a different
+        * RX function */
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY){
+               if (eth_dev->data->scattered_rx)
+                       eth_dev->rx_pkt_burst = &eth_igb_recv_scattered_pkts;
+               return 0;
+       }
+
+       rte_eth_copy_pci_info(eth_dev, pci_dev);
+
+       hw->hw_addr= (void *)pci_dev->mem_resource[0].addr;
+
+       igb_identify_hardware(eth_dev);
+       if (e1000_setup_init_funcs(hw, FALSE) != E1000_SUCCESS) {
+               error = -EIO;
+               goto err_late;
+       }
+
+       e1000_get_bus_info(hw);
+
+       /* Reset any pending lock */
+       if (igb_reset_swfw_lock(hw) != E1000_SUCCESS) {
+               error = -EIO;
+               goto err_late;
+       }
+
+       /* Finish initialization */
+       if (e1000_setup_init_funcs(hw, TRUE) != E1000_SUCCESS) {
+               error = -EIO;
+               goto err_late;
+       }
+
+       hw->mac.autoneg = 1;
+       hw->phy.autoneg_wait_to_complete = 0;
+       hw->phy.autoneg_advertised = E1000_ALL_SPEED_DUPLEX;
+
+       /* Copper options */
+       if (hw->phy.media_type == e1000_media_type_copper) {
+               hw->phy.mdix = 0; /* AUTO_ALL_MODES */
+               hw->phy.disable_polarity_correction = 0;
+               hw->phy.ms_type = e1000_ms_hw_default;
+       }
+
+       /*
+        * Start from a known state, this is important in reading the nvm
+        * and mac from that.
+        */
+       igb_pf_reset_hw(hw);
+
+       /* Make sure we have a good EEPROM before we read from it */
+       if (e1000_validate_nvm_checksum(hw) < 0) {
+               /*
+                * Some PCI-E parts fail the first check due to
+                * the link being in sleep state, call it again,
+                * if it fails a second time its a real issue.
+                */
+               if (e1000_validate_nvm_checksum(hw) < 0) {
+                       PMD_INIT_LOG(ERR, "EEPROM checksum invalid");
+                       error = -EIO;
+                       goto err_late;
+               }
+       }
+
+       /* Read the permanent MAC address out of the EEPROM */
+       if (e1000_read_mac_addr(hw) != 0) {
+               PMD_INIT_LOG(ERR, "EEPROM error while reading MAC address");
+               error = -EIO;
+               goto err_late;
+       }
+
+       /* Allocate memory for storing MAC addresses */
+       eth_dev->data->mac_addrs = rte_zmalloc("e1000",
+               ETHER_ADDR_LEN * hw->mac.rar_entry_count, 0);
+       if (eth_dev->data->mac_addrs == NULL) {
+               PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to "
+                                               "store MAC addresses",
+                               ETHER_ADDR_LEN * hw->mac.rar_entry_count);
+               error = -ENOMEM;
+               goto err_late;
+       }
+
+       /* Copy the permanent MAC address */
+       ether_addr_copy((struct ether_addr *)hw->mac.addr, &eth_dev->data->mac_addrs[0]);
+
+       /* initialize the vfta */
+       memset(shadow_vfta, 0, sizeof(*shadow_vfta));
+
+       /* Now initialize the hardware */
+       if (igb_hardware_init(hw) != 0) {
+               PMD_INIT_LOG(ERR, "Hardware initialization failed");
+               rte_free(eth_dev->data->mac_addrs);
+               eth_dev->data->mac_addrs = NULL;
+               error = -ENODEV;
+               goto err_late;
+       }
+       hw->mac.get_link_status = 1;
+       adapter->stopped = 0;
+
+       /* Indicate SOL/IDER usage */
+       if (e1000_check_reset_block(hw) < 0) {
+               PMD_INIT_LOG(ERR, "PHY reset is blocked due to"
+                                       "SOL/IDER session");
+       }
+
+       /* initialize PF if max_vfs not zero */
+       igb_pf_host_init(eth_dev);
+
+       ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
+       /* Set PF Reset Done bit so PF/VF Mail Ops can work */
+       ctrl_ext |= E1000_CTRL_EXT_PFRSTD;
+       E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
+       E1000_WRITE_FLUSH(hw);
+
+       PMD_INIT_LOG(DEBUG, "port_id %d vendorID=0x%x deviceID=0x%x",
+                    eth_dev->data->port_id, pci_dev->id.vendor_id,
+                    pci_dev->id.device_id);
+
+       rte_intr_callback_register(&pci_dev->intr_handle,
+                                  eth_igb_interrupt_handler,
+                                  (void *)eth_dev);
+
+       /* enable uio/vfio intr/eventfd mapping */
+       rte_intr_enable(&pci_dev->intr_handle);
+
+       /* enable support intr */
+       igb_intr_enable(eth_dev);
+
+       TAILQ_INIT(&filter_info->flex_list);
+       filter_info->flex_mask = 0;
+       TAILQ_INIT(&filter_info->twotuple_list);
+       filter_info->twotuple_mask = 0;
+       TAILQ_INIT(&filter_info->fivetuple_list);
+       filter_info->fivetuple_mask = 0;
+
+       return 0;
+
+err_late:
+       igb_hw_control_release(hw);
+
+       return error;
+}
+
+static int
+eth_igb_dev_uninit(struct rte_eth_dev *eth_dev)
+{
+       struct rte_pci_device *pci_dev;
+       struct e1000_hw *hw;
+       struct e1000_adapter *adapter =
+               E1000_DEV_PRIVATE(eth_dev->data->dev_private);
+
+       PMD_INIT_FUNC_TRACE();
+
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+               return -EPERM;
+
+       hw = E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
+       pci_dev = eth_dev->pci_dev;
+
+       if (adapter->stopped == 0)
+               eth_igb_close(eth_dev);
+
+       eth_dev->dev_ops = NULL;
+       eth_dev->rx_pkt_burst = NULL;
+       eth_dev->tx_pkt_burst = NULL;
+
+       /* Reset any pending lock */
+       igb_reset_swfw_lock(hw);
+
+       rte_free(eth_dev->data->mac_addrs);
+       eth_dev->data->mac_addrs = NULL;
+
+       /* uninitialize PF if max_vfs not zero */
+       igb_pf_host_uninit(eth_dev);
+
+       /* disable uio intr before callback unregister */
+       rte_intr_disable(&(pci_dev->intr_handle));
+       rte_intr_callback_unregister(&(pci_dev->intr_handle),
+               eth_igb_interrupt_handler, (void *)eth_dev);
+
+       return 0;
+}
+
+/*
+ * Virtual Function device init
+ */
+static int
+eth_igbvf_dev_init(struct rte_eth_dev *eth_dev)
+{
+       struct rte_pci_device *pci_dev;
+       struct e1000_adapter *adapter =
+               E1000_DEV_PRIVATE(eth_dev->data->dev_private);
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
+       int diag;
+       struct ether_addr *perm_addr = (struct ether_addr *)hw->mac.perm_addr;
+
+       PMD_INIT_FUNC_TRACE();
+
+       eth_dev->dev_ops = &igbvf_eth_dev_ops;
+       eth_dev->rx_pkt_burst = &eth_igb_recv_pkts;
+       eth_dev->tx_pkt_burst = &eth_igb_xmit_pkts;
+
+       /* for secondary processes, we don't initialise any further as primary
+        * has already done this work. Only check we don't need a different
+        * RX function */
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY){
+               if (eth_dev->data->scattered_rx)
+                       eth_dev->rx_pkt_burst = &eth_igb_recv_scattered_pkts;
+               return 0;
+       }
+
+       pci_dev = eth_dev->pci_dev;
+
+       rte_eth_copy_pci_info(eth_dev, pci_dev);
+
+       hw->device_id = pci_dev->id.device_id;
+       hw->vendor_id = pci_dev->id.vendor_id;
+       hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
+       adapter->stopped = 0;
+
+       /* Initialize the shared code (base driver) */
+       diag = e1000_setup_init_funcs(hw, TRUE);
+       if (diag != 0) {
+               PMD_INIT_LOG(ERR, "Shared code init failed for igbvf: %d",
+                       diag);
+               return -EIO;
+       }
+
+       /* init_mailbox_params */
+       hw->mbx.ops.init_params(hw);
+
+       /* Disable the interrupts for VF */
+       igbvf_intr_disable(hw);
+
+       diag = hw->mac.ops.reset_hw(hw);
+
+       /* Allocate memory for storing MAC addresses */
+       eth_dev->data->mac_addrs = rte_zmalloc("igbvf", ETHER_ADDR_LEN *
+               hw->mac.rar_entry_count, 0);
+       if (eth_dev->data->mac_addrs == NULL) {
+               PMD_INIT_LOG(ERR,
+                       "Failed to allocate %d bytes needed to store MAC "
+                       "addresses",
+                       ETHER_ADDR_LEN * hw->mac.rar_entry_count);
+               return -ENOMEM;
+       }
+
+       /* Generate a random MAC address, if none was assigned by PF. */
+       if (is_zero_ether_addr(perm_addr)) {
+               eth_random_addr(perm_addr->addr_bytes);
+               diag = e1000_rar_set(hw, perm_addr->addr_bytes, 0);
+               if (diag) {
+                       rte_free(eth_dev->data->mac_addrs);
+                       eth_dev->data->mac_addrs = NULL;
+                       return diag;
+               }
+               PMD_INIT_LOG(INFO, "\tVF MAC address not assigned by Host PF");
+               PMD_INIT_LOG(INFO, "\tAssign randomly generated MAC address "
+                            "%02x:%02x:%02x:%02x:%02x:%02x",
+                            perm_addr->addr_bytes[0],
+                            perm_addr->addr_bytes[1],
+                            perm_addr->addr_bytes[2],
+                            perm_addr->addr_bytes[3],
+                            perm_addr->addr_bytes[4],
+                            perm_addr->addr_bytes[5]);
+       }
+
+       /* Copy the permanent MAC address */
+       ether_addr_copy((struct ether_addr *) hw->mac.perm_addr,
+                       &eth_dev->data->mac_addrs[0]);
+
+       PMD_INIT_LOG(DEBUG, "port %d vendorID=0x%x deviceID=0x%x "
+                    "mac.type=%s",
+                    eth_dev->data->port_id, pci_dev->id.vendor_id,
+                    pci_dev->id.device_id, "igb_mac_82576_vf");
+
+       return 0;
+}
+
+static int
+eth_igbvf_dev_uninit(struct rte_eth_dev *eth_dev)
+{
+       struct e1000_adapter *adapter =
+               E1000_DEV_PRIVATE(eth_dev->data->dev_private);
+
+       PMD_INIT_FUNC_TRACE();
+
+       if (rte_eal_process_type() != RTE_PROC_PRIMARY)
+               return -EPERM;
+
+       if (adapter->stopped == 0)
+               igbvf_dev_close(eth_dev);
+
+       eth_dev->dev_ops = NULL;
+       eth_dev->rx_pkt_burst = NULL;
+       eth_dev->tx_pkt_burst = NULL;
+
+       rte_free(eth_dev->data->mac_addrs);
+       eth_dev->data->mac_addrs = NULL;
+
+       return 0;
+}
+
+static struct eth_driver rte_igb_pmd = {
+       .pci_drv = {
+               .name = "rte_igb_pmd",
+               .id_table = pci_id_igb_map,
+               .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC |
+                       RTE_PCI_DRV_DETACHABLE,
+       },
+       .eth_dev_init = eth_igb_dev_init,
+       .eth_dev_uninit = eth_igb_dev_uninit,
+       .dev_private_size = sizeof(struct e1000_adapter),
+};
+
+/*
+ * virtual function driver struct
+ */
+static struct eth_driver rte_igbvf_pmd = {
+       .pci_drv = {
+               .name = "rte_igbvf_pmd",
+               .id_table = pci_id_igbvf_map,
+               .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_DETACHABLE,
+       },
+       .eth_dev_init = eth_igbvf_dev_init,
+       .eth_dev_uninit = eth_igbvf_dev_uninit,
+       .dev_private_size = sizeof(struct e1000_adapter),
+};
+
+static int
+rte_igb_pmd_init(const char *name __rte_unused, const char *params __rte_unused)
+{
+       rte_eth_driver_register(&rte_igb_pmd);
+       return 0;
+}
+
+static void
+igb_vmdq_vlan_hw_filter_enable(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       /* RCTL: enable VLAN filter since VMDq always use VLAN filter */
+       uint32_t rctl = E1000_READ_REG(hw, E1000_RCTL);
+       rctl |= E1000_RCTL_VFE;
+       E1000_WRITE_REG(hw, E1000_RCTL, rctl);
+}
+
+/*
+ * VF Driver initialization routine.
+ * Invoked one at EAL init time.
+ * Register itself as the [Virtual Poll Mode] Driver of PCI IGB devices.
+ */
+static int
+rte_igbvf_pmd_init(const char *name __rte_unused, const char *params __rte_unused)
+{
+       PMD_INIT_FUNC_TRACE();
+
+       rte_eth_driver_register(&rte_igbvf_pmd);
+       return 0;
+}
+
+static int
+igb_check_mq_mode(struct rte_eth_dev *dev)
+{
+       enum rte_eth_rx_mq_mode rx_mq_mode = dev->data->dev_conf.rxmode.mq_mode;
+       enum rte_eth_tx_mq_mode tx_mq_mode = dev->data->dev_conf.txmode.mq_mode;
+       uint16_t nb_rx_q = dev->data->nb_rx_queues;
+       uint16_t nb_tx_q = dev->data->nb_rx_queues;
+
+       if ((rx_mq_mode & ETH_MQ_RX_DCB_FLAG) ||
+           tx_mq_mode == ETH_MQ_TX_DCB ||
+           tx_mq_mode == ETH_MQ_TX_VMDQ_DCB) {
+               PMD_INIT_LOG(ERR, "DCB mode is not supported.");
+               return -EINVAL;
+       }
+       if (RTE_ETH_DEV_SRIOV(dev).active != 0) {
+               /* Check multi-queue mode.
+                * To no break software we accept ETH_MQ_RX_NONE as this might
+                * be used to turn off VLAN filter.
+                */
+
+               if (rx_mq_mode == ETH_MQ_RX_NONE ||
+                   rx_mq_mode == ETH_MQ_RX_VMDQ_ONLY) {
+                       dev->data->dev_conf.rxmode.mq_mode = ETH_MQ_RX_VMDQ_ONLY;
+                       RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool = 1;
+               } else {
+                       /* Only support one queue on VFs.
+                        * RSS together with SRIOV is not supported.
+                        */
+                       PMD_INIT_LOG(ERR, "SRIOV is active,"
+                                       " wrong mq_mode rx %d.",
+                                       rx_mq_mode);
+                       return -EINVAL;
+               }
+               /* TX mode is not used here, so mode might be ignored.*/
+               if (tx_mq_mode != ETH_MQ_TX_VMDQ_ONLY) {
+                       /* SRIOV only works in VMDq enable mode */
+                       PMD_INIT_LOG(WARNING, "SRIOV is active,"
+                                       " TX mode %d is not supported. "
+                                       " Driver will behave as %d mode.",
+                                       tx_mq_mode, ETH_MQ_TX_VMDQ_ONLY);
+               }
+
+               /* check valid queue number */
+               if ((nb_rx_q > 1) || (nb_tx_q > 1)) {
+                       PMD_INIT_LOG(ERR, "SRIOV is active,"
+                                       " only support one queue on VFs.");
+                       return -EINVAL;
+               }
+       } else {
+               /* To no break software that set invalid mode, only display
+                * warning if invalid mode is used.
+                */
+               if (rx_mq_mode != ETH_MQ_RX_NONE &&
+                   rx_mq_mode != ETH_MQ_RX_VMDQ_ONLY &&
+                   rx_mq_mode != ETH_MQ_RX_RSS) {
+                       /* RSS together with VMDq not supported*/
+                       PMD_INIT_LOG(ERR, "RX mode %d is not supported.",
+                                    rx_mq_mode);
+                       return -EINVAL;
+               }
+
+               if (tx_mq_mode != ETH_MQ_TX_NONE &&
+                   tx_mq_mode != ETH_MQ_TX_VMDQ_ONLY) {
+                       PMD_INIT_LOG(WARNING, "TX mode %d is not supported."
+                                       " Due to txmode is meaningless in this"
+                                       " driver, just ignore.",
+                                       tx_mq_mode);
+               }
+       }
+       return 0;
+}
+
+static int
+eth_igb_configure(struct rte_eth_dev *dev)
+{
+       struct e1000_interrupt *intr =
+               E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
+       int ret;
+
+       PMD_INIT_FUNC_TRACE();
+
+       /* multipe queue mode checking */
+       ret  = igb_check_mq_mode(dev);
+       if (ret != 0) {
+               PMD_DRV_LOG(ERR, "igb_check_mq_mode fails with %d.",
+                           ret);
+               return ret;
+       }
+
+       intr->flags |= E1000_FLAG_NEED_LINK_UPDATE;
+       PMD_INIT_FUNC_TRACE();
+
+       return 0;
+}
+
+static int
+eth_igb_start(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_adapter *adapter =
+               E1000_DEV_PRIVATE(dev->data->dev_private);
+       struct rte_intr_handle *intr_handle = &dev->pci_dev->intr_handle;
+       int ret, mask;
+       uint32_t intr_vector = 0;
+       uint32_t ctrl_ext;
+       uint32_t *speeds;
+       int num_speeds;
+       bool autoneg;
+
+       PMD_INIT_FUNC_TRACE();
+
+       /* disable uio/vfio intr/eventfd mapping */
+       rte_intr_disable(intr_handle);
+
+       /* Power up the phy. Needed to make the link go Up */
+       e1000_power_up_phy(hw);
+
+       /*
+        * Packet Buffer Allocation (PBA)
+        * Writing PBA sets the receive portion of the buffer
+        * the remainder is used for the transmit buffer.
+        */
+       if (hw->mac.type == e1000_82575) {
+               uint32_t pba;
+
+               pba = E1000_PBA_32K; /* 32K for Rx, 16K for Tx */
+               E1000_WRITE_REG(hw, E1000_PBA, pba);
+       }
+
+       /* Put the address into the Receive Address Array */
+       e1000_rar_set(hw, hw->mac.addr, 0);
+
+       /* Initialize the hardware */
+       if (igb_hardware_init(hw)) {
+               PMD_INIT_LOG(ERR, "Unable to initialize the hardware");
+               return -EIO;
+       }
+       adapter->stopped = 0;
+
+       E1000_WRITE_REG(hw, E1000_VET, ETHER_TYPE_VLAN << 16 | ETHER_TYPE_VLAN);
+
+       ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
+       /* Set PF Reset Done bit so PF/VF Mail Ops can work */
+       ctrl_ext |= E1000_CTRL_EXT_PFRSTD;
+       E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
+       E1000_WRITE_FLUSH(hw);
+
+       /* configure PF module if SRIOV enabled */
+       igb_pf_host_configure(dev);
+
+       /* check and configure queue intr-vector mapping */
+       if ((rte_intr_cap_multiple(intr_handle) ||
+            !RTE_ETH_DEV_SRIOV(dev).active) &&
+           dev->data->dev_conf.intr_conf.rxq != 0) {
+               intr_vector = dev->data->nb_rx_queues;
+               if (rte_intr_efd_enable(intr_handle, intr_vector))
+                       return -1;
+       }
+
+       if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
+               intr_handle->intr_vec =
+                       rte_zmalloc("intr_vec",
+                                   dev->data->nb_rx_queues * sizeof(int), 0);
+               if (intr_handle->intr_vec == NULL) {
+                       PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
+                                    " intr_vec\n", dev->data->nb_rx_queues);
+                       return -ENOMEM;
+               }
+       }
+
+       /* confiugre msix for rx interrupt */
+       eth_igb_configure_msix_intr(dev);
+
+       /* Configure for OS presence */
+       igb_init_manageability(hw);
+
+       eth_igb_tx_init(dev);
+
+       /* This can fail when allocating mbufs for descriptor rings */
+       ret = eth_igb_rx_init(dev);
+       if (ret) {
+               PMD_INIT_LOG(ERR, "Unable to initialize RX hardware");
+               igb_dev_clear_queues(dev);
+               return ret;
+       }
+
+       e1000_clear_hw_cntrs_base_generic(hw);
+
+       /*
+        * VLAN Offload Settings
+        */
+       mask = ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK | \
+                       ETH_VLAN_EXTEND_MASK;
+       eth_igb_vlan_offload_set(dev, mask);
+
+       if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_VMDQ_ONLY) {
+               /* Enable VLAN filter since VMDq always use VLAN filter */
+               igb_vmdq_vlan_hw_filter_enable(dev);
+       }
+
+       if ((hw->mac.type == e1000_82576) || (hw->mac.type == e1000_82580) ||
+               (hw->mac.type == e1000_i350) || (hw->mac.type == e1000_i210) ||
+               (hw->mac.type == e1000_i211)) {
+               /* Configure EITR with the maximum possible value (0xFFFF) */
+               E1000_WRITE_REG(hw, E1000_EITR(0), 0xFFFF);
+       }
+
+       /* Setup link speed and duplex */
+       speeds = &dev->data->dev_conf.link_speeds;
+       if (*speeds == ETH_LINK_SPEED_AUTONEG) {
+               hw->phy.autoneg_advertised = E1000_ALL_SPEED_DUPLEX;
+       } else {
+               num_speeds = 0;
+               autoneg = (*speeds & ETH_LINK_SPEED_FIXED) == 0;
+
+               /* Reset */
+               hw->phy.autoneg_advertised = 0;
+
+               if (*speeds & ~(ETH_LINK_SPEED_10M_HD | ETH_LINK_SPEED_10M |
+                               ETH_LINK_SPEED_100M_HD | ETH_LINK_SPEED_100M |
+                               ETH_LINK_SPEED_1G | ETH_LINK_SPEED_FIXED)) {
+                       num_speeds = -1;
+                       goto error_invalid_config;
+               }
+               if (*speeds & ETH_LINK_SPEED_10M_HD) {
+                       hw->phy.autoneg_advertised |= ADVERTISE_10_HALF;
+                       num_speeds++;
+               }
+               if (*speeds & ETH_LINK_SPEED_10M) {
+                       hw->phy.autoneg_advertised |= ADVERTISE_10_FULL;
+                       num_speeds++;
+               }
+               if (*speeds & ETH_LINK_SPEED_100M_HD) {
+                       hw->phy.autoneg_advertised |= ADVERTISE_100_HALF;
+                       num_speeds++;
+               }
+               if (*speeds & ETH_LINK_SPEED_100M) {
+                       hw->phy.autoneg_advertised |= ADVERTISE_100_FULL;
+                       num_speeds++;
+               }
+               if (*speeds & ETH_LINK_SPEED_1G) {
+                       hw->phy.autoneg_advertised |= ADVERTISE_1000_FULL;
+                       num_speeds++;
+               }
+               if (num_speeds == 0 || (!autoneg && (num_speeds > 1)))
+                       goto error_invalid_config;
+       }
+
+       e1000_setup_link(hw);
+
+       if (rte_intr_allow_others(intr_handle)) {
+               /* check if lsc interrupt is enabled */
+               if (dev->data->dev_conf.intr_conf.lsc != 0)
+                       eth_igb_lsc_interrupt_setup(dev);
+       } else {
+               rte_intr_callback_unregister(intr_handle,
+                                            eth_igb_interrupt_handler,
+                                            (void *)dev);
+               if (dev->data->dev_conf.intr_conf.lsc != 0)
+                       PMD_INIT_LOG(INFO, "lsc won't enable because of"
+                                    " no intr multiplex\n");
+       }
+
+       /* check if rxq interrupt is enabled */
+       if (dev->data->dev_conf.intr_conf.rxq != 0 &&
+           rte_intr_dp_is_en(intr_handle))
+               eth_igb_rxq_interrupt_setup(dev);
+
+       /* enable uio/vfio intr/eventfd mapping */
+       rte_intr_enable(intr_handle);
+
+       /* resume enabled intr since hw reset */
+       igb_intr_enable(dev);
+
+       PMD_INIT_LOG(DEBUG, "<<");
+
+       return 0;
+
+error_invalid_config:
+       PMD_INIT_LOG(ERR, "Invalid advertised speeds (%u) for port %u",
+                    dev->data->dev_conf.link_speeds, dev->data->port_id);
+       igb_dev_clear_queues(dev);
+       return -EINVAL;
+}
+
+/*********************************************************************
+ *
+ *  This routine disables all traffic on the adapter by issuing a
+ *  global reset on the MAC.
+ *
+ **********************************************************************/
+static void
+eth_igb_stop(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+       struct rte_eth_link link;
+       struct e1000_flex_filter *p_flex;
+       struct e1000_5tuple_filter *p_5tuple, *p_5tuple_next;
+       struct e1000_2tuple_filter *p_2tuple, *p_2tuple_next;
+       struct rte_intr_handle *intr_handle = &dev->pci_dev->intr_handle;
+
+       igb_intr_disable(hw);
+
+       /* disable intr eventfd mapping */
+       rte_intr_disable(intr_handle);
+
+       igb_pf_reset_hw(hw);
+       E1000_WRITE_REG(hw, E1000_WUC, 0);
+
+       /* Set bit for Go Link disconnect */
+       if (hw->mac.type >= e1000_82580) {
+               uint32_t phpm_reg;
+
+               phpm_reg = E1000_READ_REG(hw, E1000_82580_PHY_POWER_MGMT);
+               phpm_reg |= E1000_82580_PM_GO_LINKD;
+               E1000_WRITE_REG(hw, E1000_82580_PHY_POWER_MGMT, phpm_reg);
+       }
+
+       /* Power down the phy. Needed to make the link go Down */
+       if (hw->phy.media_type == e1000_media_type_copper)
+               e1000_power_down_phy(hw);
+       else
+               e1000_shutdown_fiber_serdes_link(hw);
+
+       igb_dev_clear_queues(dev);
+
+       /* clear the recorded link status */
+       memset(&link, 0, sizeof(link));
+       rte_igb_dev_atomic_write_link_status(dev, &link);
+
+       /* Remove all flex filters of the device */
+       while ((p_flex = TAILQ_FIRST(&filter_info->flex_list))) {
+               TAILQ_REMOVE(&filter_info->flex_list, p_flex, entries);
+               rte_free(p_flex);
+       }
+       filter_info->flex_mask = 0;
+
+       /* Remove all ntuple filters of the device */
+       for (p_5tuple = TAILQ_FIRST(&filter_info->fivetuple_list);
+            p_5tuple != NULL; p_5tuple = p_5tuple_next) {
+               p_5tuple_next = TAILQ_NEXT(p_5tuple, entries);
+               TAILQ_REMOVE(&filter_info->fivetuple_list,
+                            p_5tuple, entries);
+               rte_free(p_5tuple);
+       }
+       filter_info->fivetuple_mask = 0;
+       for (p_2tuple = TAILQ_FIRST(&filter_info->twotuple_list);
+            p_2tuple != NULL; p_2tuple = p_2tuple_next) {
+               p_2tuple_next = TAILQ_NEXT(p_2tuple, entries);
+               TAILQ_REMOVE(&filter_info->twotuple_list,
+                            p_2tuple, entries);
+               rte_free(p_2tuple);
+       }
+       filter_info->twotuple_mask = 0;
+
+       if (!rte_intr_allow_others(intr_handle))
+               /* resume to the default handler */
+               rte_intr_callback_register(intr_handle,
+                                          eth_igb_interrupt_handler,
+                                          (void *)dev);
+
+       /* Clean datapath event and queue/vec mapping */
+       rte_intr_efd_disable(intr_handle);
+       if (intr_handle->intr_vec != NULL) {
+               rte_free(intr_handle->intr_vec);
+               intr_handle->intr_vec = NULL;
+       }
+}
+
+static void
+eth_igb_close(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_adapter *adapter =
+               E1000_DEV_PRIVATE(dev->data->dev_private);
+       struct rte_eth_link link;
+       struct rte_pci_device *pci_dev;
+
+       eth_igb_stop(dev);
+       adapter->stopped = 1;
+
+       e1000_phy_hw_reset(hw);
+       igb_release_manageability(hw);
+       igb_hw_control_release(hw);
+
+       /* Clear bit for Go Link disconnect */
+       if (hw->mac.type >= e1000_82580) {
+               uint32_t phpm_reg;
+
+               phpm_reg = E1000_READ_REG(hw, E1000_82580_PHY_POWER_MGMT);
+               phpm_reg &= ~E1000_82580_PM_GO_LINKD;
+               E1000_WRITE_REG(hw, E1000_82580_PHY_POWER_MGMT, phpm_reg);
+       }
+
+       igb_dev_free_queues(dev);
+
+       pci_dev = dev->pci_dev;
+       if (pci_dev->intr_handle.intr_vec) {
+               rte_free(pci_dev->intr_handle.intr_vec);
+               pci_dev->intr_handle.intr_vec = NULL;
+       }
+
+       memset(&link, 0, sizeof(link));
+       rte_igb_dev_atomic_write_link_status(dev, &link);
+}
+
+static int
+igb_get_rx_buffer_size(struct e1000_hw *hw)
+{
+       uint32_t rx_buf_size;
+       if (hw->mac.type == e1000_82576) {
+               rx_buf_size = (E1000_READ_REG(hw, E1000_RXPBS) & 0xffff) << 10;
+       } else if (hw->mac.type == e1000_82580 || hw->mac.type == e1000_i350) {
+               /* PBS needs to be translated according to a lookup table */
+               rx_buf_size = (E1000_READ_REG(hw, E1000_RXPBS) & 0xf);
+               rx_buf_size = (uint32_t) e1000_rxpbs_adjust_82580(rx_buf_size);
+               rx_buf_size = (rx_buf_size << 10);
+       } else if (hw->mac.type == e1000_i210 || hw->mac.type == e1000_i211) {
+               rx_buf_size = (E1000_READ_REG(hw, E1000_RXPBS) & 0x3f) << 10;
+       } else {
+               rx_buf_size = (E1000_READ_REG(hw, E1000_PBA) & 0xffff) << 10;
+       }
+
+       return rx_buf_size;
+}
+
+/*********************************************************************
+ *
+ *  Initialize the hardware
+ *
+ **********************************************************************/
+static int
+igb_hardware_init(struct e1000_hw *hw)
+{
+       uint32_t rx_buf_size;
+       int diag;
+
+       /* Let the firmware know the OS is in control */
+       igb_hw_control_acquire(hw);
+
+       /*
+        * These parameters control the automatic generation (Tx) and
+        * response (Rx) to Ethernet PAUSE frames.
+        * - High water mark should allow for at least two standard size (1518)
+        *   frames to be received after sending an XOFF.
+        * - Low water mark works best when it is very near the high water mark.
+        *   This allows the receiver to restart by sending XON when it has
+        *   drained a bit. Here we use an arbitrary value of 1500 which will
+        *   restart after one full frame is pulled from the buffer. There
+        *   could be several smaller frames in the buffer and if so they will
+        *   not trigger the XON until their total number reduces the buffer
+        *   by 1500.
+        * - The pause time is fairly large at 1000 x 512ns = 512 usec.
+        */
+       rx_buf_size = igb_get_rx_buffer_size(hw);
+
+       hw->fc.high_water = rx_buf_size - (ETHER_MAX_LEN * 2);
+       hw->fc.low_water = hw->fc.high_water - 1500;
+       hw->fc.pause_time = IGB_FC_PAUSE_TIME;
+       hw->fc.send_xon = 1;
+
+       /* Set Flow control, use the tunable location if sane */
+       if ((igb_fc_setting != e1000_fc_none) && (igb_fc_setting < 4))
+               hw->fc.requested_mode = igb_fc_setting;
+       else
+               hw->fc.requested_mode = e1000_fc_none;
+
+       /* Issue a global reset */
+       igb_pf_reset_hw(hw);
+       E1000_WRITE_REG(hw, E1000_WUC, 0);
+
+       diag = e1000_init_hw(hw);
+       if (diag < 0)
+               return diag;
+
+       E1000_WRITE_REG(hw, E1000_VET, ETHER_TYPE_VLAN << 16 | ETHER_TYPE_VLAN);
+       e1000_get_phy_info(hw);
+       e1000_check_for_link(hw);
+
+       return 0;
+}
+
+/* This function is based on igb_update_stats_counters() in igb/if_igb.c */
+static void
+igb_read_stats_registers(struct e1000_hw *hw, struct e1000_hw_stats *stats)
+{
+       int pause_frames;
+
+       uint64_t old_gprc  = stats->gprc;
+       uint64_t old_gptc  = stats->gptc;
+       uint64_t old_tpr   = stats->tpr;
+       uint64_t old_tpt   = stats->tpt;
+       uint64_t old_rpthc = stats->rpthc;
+       uint64_t old_hgptc = stats->hgptc;
+
+       if(hw->phy.media_type == e1000_media_type_copper ||
+           (E1000_READ_REG(hw, E1000_STATUS) & E1000_STATUS_LU)) {
+               stats->symerrs +=
+                   E1000_READ_REG(hw,E1000_SYMERRS);
+               stats->sec += E1000_READ_REG(hw, E1000_SEC);
+       }
+
+       stats->crcerrs += E1000_READ_REG(hw, E1000_CRCERRS);
+       stats->mpc += E1000_READ_REG(hw, E1000_MPC);
+       stats->scc += E1000_READ_REG(hw, E1000_SCC);
+       stats->ecol += E1000_READ_REG(hw, E1000_ECOL);
+
+       stats->mcc += E1000_READ_REG(hw, E1000_MCC);
+       stats->latecol += E1000_READ_REG(hw, E1000_LATECOL);
+       stats->colc += E1000_READ_REG(hw, E1000_COLC);
+       stats->dc += E1000_READ_REG(hw, E1000_DC);
+       stats->rlec += E1000_READ_REG(hw, E1000_RLEC);
+       stats->xonrxc += E1000_READ_REG(hw, E1000_XONRXC);
+       stats->xontxc += E1000_READ_REG(hw, E1000_XONTXC);
+       /*
+       ** For watchdog management we need to know if we have been
+       ** paused during the last interval, so capture that here.
+       */
+       pause_frames = E1000_READ_REG(hw, E1000_XOFFRXC);
+       stats->xoffrxc += pause_frames;
+       stats->xofftxc += E1000_READ_REG(hw, E1000_XOFFTXC);
+       stats->fcruc += E1000_READ_REG(hw, E1000_FCRUC);
+       stats->prc64 += E1000_READ_REG(hw, E1000_PRC64);
+       stats->prc127 += E1000_READ_REG(hw, E1000_PRC127);
+       stats->prc255 += E1000_READ_REG(hw, E1000_PRC255);
+       stats->prc511 += E1000_READ_REG(hw, E1000_PRC511);
+       stats->prc1023 += E1000_READ_REG(hw, E1000_PRC1023);
+       stats->prc1522 += E1000_READ_REG(hw, E1000_PRC1522);
+       stats->gprc += E1000_READ_REG(hw, E1000_GPRC);
+       stats->bprc += E1000_READ_REG(hw, E1000_BPRC);
+       stats->mprc += E1000_READ_REG(hw, E1000_MPRC);
+       stats->gptc += E1000_READ_REG(hw, E1000_GPTC);
+
+       /* For the 64-bit byte counters the low dword must be read first. */
+       /* Both registers clear on the read of the high dword */
+
+       /* Workaround CRC bytes included in size, take away 4 bytes/packet */
+       stats->gorc += E1000_READ_REG(hw, E1000_GORCL);
+       stats->gorc += ((uint64_t)E1000_READ_REG(hw, E1000_GORCH) << 32);
+       stats->gorc -= (stats->gprc - old_gprc) * ETHER_CRC_LEN;
+       stats->gotc += E1000_READ_REG(hw, E1000_GOTCL);
+       stats->gotc += ((uint64_t)E1000_READ_REG(hw, E1000_GOTCH) << 32);
+       stats->gotc -= (stats->gptc - old_gptc) * ETHER_CRC_LEN;
+
+       stats->rnbc += E1000_READ_REG(hw, E1000_RNBC);
+       stats->ruc += E1000_READ_REG(hw, E1000_RUC);
+       stats->rfc += E1000_READ_REG(hw, E1000_RFC);
+       stats->roc += E1000_READ_REG(hw, E1000_ROC);
+       stats->rjc += E1000_READ_REG(hw, E1000_RJC);
+
+       stats->tpr += E1000_READ_REG(hw, E1000_TPR);
+       stats->tpt += E1000_READ_REG(hw, E1000_TPT);
+
+       stats->tor += E1000_READ_REG(hw, E1000_TORL);
+       stats->tor += ((uint64_t)E1000_READ_REG(hw, E1000_TORH) << 32);
+       stats->tor -= (stats->tpr - old_tpr) * ETHER_CRC_LEN;
+       stats->tot += E1000_READ_REG(hw, E1000_TOTL);
+       stats->tot += ((uint64_t)E1000_READ_REG(hw, E1000_TOTH) << 32);
+       stats->tot -= (stats->tpt - old_tpt) * ETHER_CRC_LEN;
+
+       stats->ptc64 += E1000_READ_REG(hw, E1000_PTC64);
+       stats->ptc127 += E1000_READ_REG(hw, E1000_PTC127);
+       stats->ptc255 += E1000_READ_REG(hw, E1000_PTC255);
+       stats->ptc511 += E1000_READ_REG(hw, E1000_PTC511);
+       stats->ptc1023 += E1000_READ_REG(hw, E1000_PTC1023);
+       stats->ptc1522 += E1000_READ_REG(hw, E1000_PTC1522);
+       stats->mptc += E1000_READ_REG(hw, E1000_MPTC);
+       stats->bptc += E1000_READ_REG(hw, E1000_BPTC);
+
+       /* Interrupt Counts */
+
+       stats->iac += E1000_READ_REG(hw, E1000_IAC);
+       stats->icrxptc += E1000_READ_REG(hw, E1000_ICRXPTC);
+       stats->icrxatc += E1000_READ_REG(hw, E1000_ICRXATC);
+       stats->ictxptc += E1000_READ_REG(hw, E1000_ICTXPTC);
+       stats->ictxatc += E1000_READ_REG(hw, E1000_ICTXATC);
+       stats->ictxqec += E1000_READ_REG(hw, E1000_ICTXQEC);
+       stats->ictxqmtc += E1000_READ_REG(hw, E1000_ICTXQMTC);
+       stats->icrxdmtc += E1000_READ_REG(hw, E1000_ICRXDMTC);
+       stats->icrxoc += E1000_READ_REG(hw, E1000_ICRXOC);
+
+       /* Host to Card Statistics */
+
+       stats->cbtmpc += E1000_READ_REG(hw, E1000_CBTMPC);
+       stats->htdpmc += E1000_READ_REG(hw, E1000_HTDPMC);
+       stats->cbrdpc += E1000_READ_REG(hw, E1000_CBRDPC);
+       stats->cbrmpc += E1000_READ_REG(hw, E1000_CBRMPC);
+       stats->rpthc += E1000_READ_REG(hw, E1000_RPTHC);
+       stats->hgptc += E1000_READ_REG(hw, E1000_HGPTC);
+       stats->htcbdpc += E1000_READ_REG(hw, E1000_HTCBDPC);
+       stats->hgorc += E1000_READ_REG(hw, E1000_HGORCL);
+       stats->hgorc += ((uint64_t)E1000_READ_REG(hw, E1000_HGORCH) << 32);
+       stats->hgorc -= (stats->rpthc - old_rpthc) * ETHER_CRC_LEN;
+       stats->hgotc += E1000_READ_REG(hw, E1000_HGOTCL);
+       stats->hgotc += ((uint64_t)E1000_READ_REG(hw, E1000_HGOTCH) << 32);
+       stats->hgotc -= (stats->hgptc - old_hgptc) * ETHER_CRC_LEN;
+       stats->lenerrs += E1000_READ_REG(hw, E1000_LENERRS);
+       stats->scvpc += E1000_READ_REG(hw, E1000_SCVPC);
+       stats->hrmpc += E1000_READ_REG(hw, E1000_HRMPC);
+
+       stats->algnerrc += E1000_READ_REG(hw, E1000_ALGNERRC);
+       stats->rxerrc += E1000_READ_REG(hw, E1000_RXERRC);
+       stats->tncrs += E1000_READ_REG(hw, E1000_TNCRS);
+       stats->cexterr += E1000_READ_REG(hw, E1000_CEXTERR);
+       stats->tsctc += E1000_READ_REG(hw, E1000_TSCTC);
+       stats->tsctfc += E1000_READ_REG(hw, E1000_TSCTFC);
+}
+
+static void
+eth_igb_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_hw_stats *stats =
+                       E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
+
+       igb_read_stats_registers(hw, stats);
+
+       if (rte_stats == NULL)
+               return;
+
+       /* Rx Errors */
+       rte_stats->imissed = stats->mpc;
+       rte_stats->ierrors = stats->crcerrs +
+                            stats->rlec + stats->ruc + stats->roc +
+                            stats->rxerrc + stats->algnerrc + stats->cexterr;
+
+       /* Tx Errors */
+       rte_stats->oerrors = stats->ecol + stats->latecol;
+
+       rte_stats->ipackets = stats->gprc;
+       rte_stats->opackets = stats->gptc;
+       rte_stats->ibytes   = stats->gorc;
+       rte_stats->obytes   = stats->gotc;
+}
+
+static void
+eth_igb_stats_reset(struct rte_eth_dev *dev)
+{
+       struct e1000_hw_stats *hw_stats =
+                       E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
+
+       /* HW registers are cleared on read */
+       eth_igb_stats_get(dev, NULL);
+
+       /* Reset software totals */
+       memset(hw_stats, 0, sizeof(*hw_stats));
+}
+
+static void
+eth_igb_xstats_reset(struct rte_eth_dev *dev)
+{
+       struct e1000_hw_stats *stats =
+                       E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
+
+       /* HW registers are cleared on read */
+       eth_igb_xstats_get(dev, NULL, IGB_NB_XSTATS);
+
+       /* Reset software totals */
+       memset(stats, 0, sizeof(*stats));
+}
+
+static int
+eth_igb_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstats *xstats,
+                  unsigned n)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_hw_stats *hw_stats =
+                       E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
+       unsigned i;
+
+       if (n < IGB_NB_XSTATS)
+               return IGB_NB_XSTATS;
+
+       igb_read_stats_registers(hw, hw_stats);
+
+       /* If this is a reset xstats is NULL, and we have cleared the
+        * registers by reading them.
+        */
+       if (!xstats)
+               return 0;
+
+       /* Extended stats */
+       for (i = 0; i < IGB_NB_XSTATS; i++) {
+               snprintf(xstats[i].name, sizeof(xstats[i].name),
+                        "%s", rte_igb_stats_strings[i].name);
+               xstats[i].value = *(uint64_t *)(((char *)hw_stats) +
+                       rte_igb_stats_strings[i].offset);
+       }
+
+       return IGB_NB_XSTATS;
+}
+
+static void
+igbvf_read_stats_registers(struct e1000_hw *hw, struct e1000_vf_stats *hw_stats)
+{
+       /* Good Rx packets, include VF loopback */
+       UPDATE_VF_STAT(E1000_VFGPRC,
+           hw_stats->last_gprc, hw_stats->gprc);
+
+       /* Good Rx octets, include VF loopback */
+       UPDATE_VF_STAT(E1000_VFGORC,
+           hw_stats->last_gorc, hw_stats->gorc);
+
+       /* Good Tx packets, include VF loopback */
+       UPDATE_VF_STAT(E1000_VFGPTC,
+           hw_stats->last_gptc, hw_stats->gptc);
+
+       /* Good Tx octets, include VF loopback */
+       UPDATE_VF_STAT(E1000_VFGOTC,
+           hw_stats->last_gotc, hw_stats->gotc);
+
+       /* Rx Multicst packets */
+       UPDATE_VF_STAT(E1000_VFMPRC,
+           hw_stats->last_mprc, hw_stats->mprc);
+
+       /* Good Rx loopback packets */
+       UPDATE_VF_STAT(E1000_VFGPRLBC,
+           hw_stats->last_gprlbc, hw_stats->gprlbc);
+
+       /* Good Rx loopback octets */
+       UPDATE_VF_STAT(E1000_VFGORLBC,
+           hw_stats->last_gorlbc, hw_stats->gorlbc);
+
+       /* Good Tx loopback packets */
+       UPDATE_VF_STAT(E1000_VFGPTLBC,
+           hw_stats->last_gptlbc, hw_stats->gptlbc);
+
+       /* Good Tx loopback octets */
+       UPDATE_VF_STAT(E1000_VFGOTLBC,
+           hw_stats->last_gotlbc, hw_stats->gotlbc);
+}
+
+static int
+eth_igbvf_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstats *xstats,
+                    unsigned n)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_vf_stats *hw_stats = (struct e1000_vf_stats *)
+                       E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
+       unsigned i;
+
+       if (n < IGBVF_NB_XSTATS)
+               return IGBVF_NB_XSTATS;
+
+       igbvf_read_stats_registers(hw, hw_stats);
+
+       if (!xstats)
+               return 0;
+
+       for (i = 0; i < IGBVF_NB_XSTATS; i++) {
+               snprintf(xstats[i].name, sizeof(xstats[i].name), "%s",
+                        rte_igbvf_stats_strings[i].name);
+               xstats[i].value = *(uint64_t *)(((char *)hw_stats) +
+                       rte_igbvf_stats_strings[i].offset);
+       }
+
+       return IGBVF_NB_XSTATS;
+}
+
+static void
+eth_igbvf_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_vf_stats *hw_stats = (struct e1000_vf_stats *)
+                         E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
+
+       igbvf_read_stats_registers(hw, hw_stats);
+
+       if (rte_stats == NULL)
+               return;
+
+       rte_stats->ipackets = hw_stats->gprc;
+       rte_stats->ibytes = hw_stats->gorc;
+       rte_stats->opackets = hw_stats->gptc;
+       rte_stats->obytes = hw_stats->gotc;
+       rte_stats->imcasts = hw_stats->mprc;
+       rte_stats->ilbpackets = hw_stats->gprlbc;
+       rte_stats->ilbbytes = hw_stats->gorlbc;
+       rte_stats->olbpackets = hw_stats->gptlbc;
+       rte_stats->olbbytes = hw_stats->gotlbc;
+}
+
+static void
+eth_igbvf_stats_reset(struct rte_eth_dev *dev)
+{
+       struct e1000_vf_stats *hw_stats = (struct e1000_vf_stats*)
+                       E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
+
+       /* Sync HW register to the last stats */
+       eth_igbvf_stats_get(dev, NULL);
+
+       /* reset HW current stats*/
+       memset(&hw_stats->gprc, 0, sizeof(*hw_stats) -
+              offsetof(struct e1000_vf_stats, gprc));
+}
+
+static void
+eth_igb_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       dev_info->min_rx_bufsize = 256; /* See BSIZE field of RCTL register. */
+       dev_info->max_rx_pktlen  = 0x3FFF; /* See RLPML register. */
+       dev_info->max_mac_addrs = hw->mac.rar_entry_count;
+       dev_info->rx_offload_capa =
+               DEV_RX_OFFLOAD_VLAN_STRIP |
+               DEV_RX_OFFLOAD_IPV4_CKSUM |
+               DEV_RX_OFFLOAD_UDP_CKSUM  |
+               DEV_RX_OFFLOAD_TCP_CKSUM;
+       dev_info->tx_offload_capa =
+               DEV_TX_OFFLOAD_VLAN_INSERT |
+               DEV_TX_OFFLOAD_IPV4_CKSUM  |
+               DEV_TX_OFFLOAD_UDP_CKSUM   |
+               DEV_TX_OFFLOAD_TCP_CKSUM   |
+               DEV_TX_OFFLOAD_SCTP_CKSUM  |
+               DEV_TX_OFFLOAD_TCP_TSO;
+
+       switch (hw->mac.type) {
+       case e1000_82575:
+               dev_info->max_rx_queues = 4;
+               dev_info->max_tx_queues = 4;
+               dev_info->max_vmdq_pools = 0;
+               break;
+
+       case e1000_82576:
+               dev_info->max_rx_queues = 16;
+               dev_info->max_tx_queues = 16;
+               dev_info->max_vmdq_pools = ETH_8_POOLS;
+               dev_info->vmdq_queue_num = 16;
+               break;
+
+       case e1000_82580:
+               dev_info->max_rx_queues = 8;
+               dev_info->max_tx_queues = 8;
+               dev_info->max_vmdq_pools = ETH_8_POOLS;
+               dev_info->vmdq_queue_num = 8;
+               break;
+
+       case e1000_i350:
+               dev_info->max_rx_queues = 8;
+               dev_info->max_tx_queues = 8;
+               dev_info->max_vmdq_pools = ETH_8_POOLS;
+               dev_info->vmdq_queue_num = 8;
+               break;
+
+       case e1000_i354:
+               dev_info->max_rx_queues = 8;
+               dev_info->max_tx_queues = 8;
+               break;
+
+       case e1000_i210:
+               dev_info->max_rx_queues = 4;
+               dev_info->max_tx_queues = 4;
+               dev_info->max_vmdq_pools = 0;
+               break;
+
+       case e1000_i211:
+               dev_info->max_rx_queues = 2;
+               dev_info->max_tx_queues = 2;
+               dev_info->max_vmdq_pools = 0;
+               break;
+
+       default:
+               /* Should not happen */
+               break;
+       }
+       dev_info->hash_key_size = IGB_HKEY_MAX_INDEX * sizeof(uint32_t);
+       dev_info->reta_size = ETH_RSS_RETA_SIZE_128;
+       dev_info->flow_type_rss_offloads = IGB_RSS_OFFLOAD_ALL;
+
+       dev_info->default_rxconf = (struct rte_eth_rxconf) {
+               .rx_thresh = {
+                       .pthresh = IGB_DEFAULT_RX_PTHRESH,
+                       .hthresh = IGB_DEFAULT_RX_HTHRESH,
+                       .wthresh = IGB_DEFAULT_RX_WTHRESH,
+               },
+               .rx_free_thresh = IGB_DEFAULT_RX_FREE_THRESH,
+               .rx_drop_en = 0,
+       };
+
+       dev_info->default_txconf = (struct rte_eth_txconf) {
+               .tx_thresh = {
+                       .pthresh = IGB_DEFAULT_TX_PTHRESH,
+                       .hthresh = IGB_DEFAULT_TX_HTHRESH,
+                       .wthresh = IGB_DEFAULT_TX_WTHRESH,
+               },
+               .txq_flags = 0,
+       };
+
+       dev_info->rx_desc_lim = rx_desc_lim;
+       dev_info->tx_desc_lim = tx_desc_lim;
+
+       dev_info->speed_capa = ETH_LINK_SPEED_10M_HD | ETH_LINK_SPEED_10M |
+                       ETH_LINK_SPEED_100M_HD | ETH_LINK_SPEED_100M |
+                       ETH_LINK_SPEED_1G;
+}
+
+static const uint32_t *
+eth_igb_supported_ptypes_get(struct rte_eth_dev *dev)
+{
+       static const uint32_t ptypes[] = {
+               /* refers to igb_rxd_pkt_info_to_pkt_type() */
+               RTE_PTYPE_L2_ETHER,
+               RTE_PTYPE_L3_IPV4,
+               RTE_PTYPE_L3_IPV4_EXT,
+               RTE_PTYPE_L3_IPV6,
+               RTE_PTYPE_L3_IPV6_EXT,
+               RTE_PTYPE_L4_TCP,
+               RTE_PTYPE_L4_UDP,
+               RTE_PTYPE_L4_SCTP,
+               RTE_PTYPE_TUNNEL_IP,
+               RTE_PTYPE_INNER_L3_IPV6,
+               RTE_PTYPE_INNER_L3_IPV6_EXT,
+               RTE_PTYPE_INNER_L4_TCP,
+               RTE_PTYPE_INNER_L4_UDP,
+               RTE_PTYPE_UNKNOWN
+       };
+
+       if (dev->rx_pkt_burst == eth_igb_recv_pkts ||
+           dev->rx_pkt_burst == eth_igb_recv_scattered_pkts)
+               return ptypes;
+       return NULL;
+}
+
+static void
+eth_igbvf_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       dev_info->min_rx_bufsize = 256; /* See BSIZE field of RCTL register. */
+       dev_info->max_rx_pktlen  = 0x3FFF; /* See RLPML register. */
+       dev_info->max_mac_addrs = hw->mac.rar_entry_count;
+       dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP |
+                               DEV_RX_OFFLOAD_IPV4_CKSUM |
+                               DEV_RX_OFFLOAD_UDP_CKSUM  |
+                               DEV_RX_OFFLOAD_TCP_CKSUM;
+       dev_info->tx_offload_capa = DEV_TX_OFFLOAD_VLAN_INSERT |
+                               DEV_TX_OFFLOAD_IPV4_CKSUM  |
+                               DEV_TX_OFFLOAD_UDP_CKSUM   |
+                               DEV_TX_OFFLOAD_TCP_CKSUM   |
+                               DEV_TX_OFFLOAD_SCTP_CKSUM  |
+                               DEV_TX_OFFLOAD_TCP_TSO;
+       switch (hw->mac.type) {
+       case e1000_vfadapt:
+               dev_info->max_rx_queues = 2;
+               dev_info->max_tx_queues = 2;
+               break;
+       case e1000_vfadapt_i350:
+               dev_info->max_rx_queues = 1;
+               dev_info->max_tx_queues = 1;
+               break;
+       default:
+               /* Should not happen */
+               break;
+       }
+
+       dev_info->default_rxconf = (struct rte_eth_rxconf) {
+               .rx_thresh = {
+                       .pthresh = IGB_DEFAULT_RX_PTHRESH,
+                       .hthresh = IGB_DEFAULT_RX_HTHRESH,
+                       .wthresh = IGB_DEFAULT_RX_WTHRESH,
+               },
+               .rx_free_thresh = IGB_DEFAULT_RX_FREE_THRESH,
+               .rx_drop_en = 0,
+       };
+
+       dev_info->default_txconf = (struct rte_eth_txconf) {
+               .tx_thresh = {
+                       .pthresh = IGB_DEFAULT_TX_PTHRESH,
+                       .hthresh = IGB_DEFAULT_TX_HTHRESH,
+                       .wthresh = IGB_DEFAULT_TX_WTHRESH,
+               },
+               .txq_flags = 0,
+       };
+
+       dev_info->rx_desc_lim = rx_desc_lim;
+       dev_info->tx_desc_lim = tx_desc_lim;
+}
+
+/* return 0 means link status changed, -1 means not changed */
+static int
+eth_igb_link_update(struct rte_eth_dev *dev, int wait_to_complete)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct rte_eth_link link, old;
+       int link_check, count;
+
+       link_check = 0;
+       hw->mac.get_link_status = 1;
+
+       /* possible wait-to-complete in up to 9 seconds */
+       for (count = 0; count < IGB_LINK_UPDATE_CHECK_TIMEOUT; count ++) {
+               /* Read the real link status */
+               switch (hw->phy.media_type) {
+               case e1000_media_type_copper:
+                       /* Do the work to read phy */
+                       e1000_check_for_link(hw);
+                       link_check = !hw->mac.get_link_status;
+                       break;
+
+               case e1000_media_type_fiber:
+                       e1000_check_for_link(hw);
+                       link_check = (E1000_READ_REG(hw, E1000_STATUS) &
+                                     E1000_STATUS_LU);
+                       break;
+
+               case e1000_media_type_internal_serdes:
+                       e1000_check_for_link(hw);
+                       link_check = hw->mac.serdes_has_link;
+                       break;
+
+               /* VF device is type_unknown */
+               case e1000_media_type_unknown:
+                       eth_igbvf_link_update(hw);
+                       link_check = !hw->mac.get_link_status;
+                       break;
+
+               default:
+                       break;
+               }
+               if (link_check || wait_to_complete == 0)
+                       break;
+               rte_delay_ms(IGB_LINK_UPDATE_CHECK_INTERVAL);
+       }
+       memset(&link, 0, sizeof(link));
+       rte_igb_dev_atomic_read_link_status(dev, &link);
+       old = link;
+
+       /* Now we check if a transition has happened */
+       if (link_check) {
+               uint16_t duplex, speed;
+               hw->mac.ops.get_link_up_info(hw, &speed, &duplex);
+               link.link_duplex = (duplex == FULL_DUPLEX) ?
+                               ETH_LINK_FULL_DUPLEX :
+                               ETH_LINK_HALF_DUPLEX;
+               link.link_speed = speed;
+               link.link_status = ETH_LINK_UP;
+               link.link_autoneg = !(dev->data->dev_conf.link_speeds &
+                               ETH_LINK_SPEED_FIXED);
+       } else if (!link_check) {
+               link.link_speed = 0;
+               link.link_duplex = ETH_LINK_HALF_DUPLEX;
+               link.link_status = ETH_LINK_DOWN;
+               link.link_autoneg = ETH_LINK_SPEED_FIXED;
+       }
+       rte_igb_dev_atomic_write_link_status(dev, &link);
+
+       /* not changed */
+       if (old.link_status == link.link_status)
+               return -1;
+
+       /* changed */
+       return 0;
+}
+
+/*
+ * igb_hw_control_acquire sets CTRL_EXT:DRV_LOAD bit.
+ * For ASF and Pass Through versions of f/w this means
+ * that the driver is loaded.
+ */
+static void
+igb_hw_control_acquire(struct e1000_hw *hw)
+{
+       uint32_t ctrl_ext;
+
+       /* Let firmware know the driver has taken over */
+       ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
+       E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
+}
+
+/*
+ * igb_hw_control_release resets CTRL_EXT:DRV_LOAD bit.
+ * For ASF and Pass Through versions of f/w this means that the
+ * driver is no longer loaded.
+ */
+static void
+igb_hw_control_release(struct e1000_hw *hw)
+{
+       uint32_t ctrl_ext;
+
+       /* Let firmware taken over control of h/w */
+       ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
+       E1000_WRITE_REG(hw, E1000_CTRL_EXT,
+                       ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
+}
+
+/*
+ * Bit of a misnomer, what this really means is
+ * to enable OS management of the system... aka
+ * to disable special hardware management features.
+ */
+static void
+igb_init_manageability(struct e1000_hw *hw)
+{
+       if (e1000_enable_mng_pass_thru(hw)) {
+               uint32_t manc2h = E1000_READ_REG(hw, E1000_MANC2H);
+               uint32_t manc = E1000_READ_REG(hw, E1000_MANC);
+
+               /* disable hardware interception of ARP */
+               manc &= ~(E1000_MANC_ARP_EN);
+
+               /* enable receiving management packets to the host */
+               manc |= E1000_MANC_EN_MNG2HOST;
+               manc2h |= 1 << 5;  /* Mng Port 623 */
+               manc2h |= 1 << 6;  /* Mng Port 664 */
+               E1000_WRITE_REG(hw, E1000_MANC2H, manc2h);
+               E1000_WRITE_REG(hw, E1000_MANC, manc);
+       }
+}
+
+static void
+igb_release_manageability(struct e1000_hw *hw)
+{
+       if (e1000_enable_mng_pass_thru(hw)) {
+               uint32_t manc = E1000_READ_REG(hw, E1000_MANC);
+
+               manc |= E1000_MANC_ARP_EN;
+               manc &= ~E1000_MANC_EN_MNG2HOST;
+
+               E1000_WRITE_REG(hw, E1000_MANC, manc);
+       }
+}
+
+static void
+eth_igb_promiscuous_enable(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t rctl;
+
+       rctl = E1000_READ_REG(hw, E1000_RCTL);
+       rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
+       E1000_WRITE_REG(hw, E1000_RCTL, rctl);
+}
+
+static void
+eth_igb_promiscuous_disable(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t rctl;
+
+       rctl = E1000_READ_REG(hw, E1000_RCTL);
+       rctl &= (~E1000_RCTL_UPE);
+       if (dev->data->all_multicast == 1)
+               rctl |= E1000_RCTL_MPE;
+       else
+               rctl &= (~E1000_RCTL_MPE);
+       E1000_WRITE_REG(hw, E1000_RCTL, rctl);
+}
+
+static void
+eth_igb_allmulticast_enable(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t rctl;
+
+       rctl = E1000_READ_REG(hw, E1000_RCTL);
+       rctl |= E1000_RCTL_MPE;
+       E1000_WRITE_REG(hw, E1000_RCTL, rctl);
+}
+
+static void
+eth_igb_allmulticast_disable(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t rctl;
+
+       if (dev->data->promiscuous == 1)
+               return; /* must remain in all_multicast mode */
+       rctl = E1000_READ_REG(hw, E1000_RCTL);
+       rctl &= (~E1000_RCTL_MPE);
+       E1000_WRITE_REG(hw, E1000_RCTL, rctl);
+}
+
+static int
+eth_igb_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_vfta * shadow_vfta =
+               E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
+       uint32_t vfta;
+       uint32_t vid_idx;
+       uint32_t vid_bit;
+
+       vid_idx = (uint32_t) ((vlan_id >> E1000_VFTA_ENTRY_SHIFT) &
+                             E1000_VFTA_ENTRY_MASK);
+       vid_bit = (uint32_t) (1 << (vlan_id & E1000_VFTA_ENTRY_BIT_SHIFT_MASK));
+       vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, vid_idx);
+       if (on)
+               vfta |= vid_bit;
+       else
+               vfta &= ~vid_bit;
+       E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, vid_idx, vfta);
+
+       /* update local VFTA copy */
+       shadow_vfta->vfta[vid_idx] = vfta;
+
+       return 0;
+}
+
+static int
+eth_igb_vlan_tpid_set(struct rte_eth_dev *dev,
+                     enum rte_vlan_type vlan_type,
+                     uint16_t tpid)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t reg = ETHER_TYPE_VLAN;
+       int ret = 0;
+
+       switch (vlan_type) {
+       case ETH_VLAN_TYPE_INNER:
+               reg |= (tpid << 16);
+               E1000_WRITE_REG(hw, E1000_VET, reg);
+               break;
+       default:
+               ret = -EINVAL;
+               PMD_DRV_LOG(ERR, "Unsupported vlan type %d\n", vlan_type);
+               break;
+       }
+
+       return ret;
+}
+
+static void
+igb_vlan_hw_filter_disable(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t reg;
+
+       /* Filter Table Disable */
+       reg = E1000_READ_REG(hw, E1000_RCTL);
+       reg &= ~E1000_RCTL_CFIEN;
+       reg &= ~E1000_RCTL_VFE;
+       E1000_WRITE_REG(hw, E1000_RCTL, reg);
+}
+
+static void
+igb_vlan_hw_filter_enable(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_vfta * shadow_vfta =
+               E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
+       uint32_t reg;
+       int i;
+
+       /* Filter Table Enable, CFI not used for packet acceptance */
+       reg = E1000_READ_REG(hw, E1000_RCTL);
+       reg &= ~E1000_RCTL_CFIEN;
+       reg |= E1000_RCTL_VFE;
+       E1000_WRITE_REG(hw, E1000_RCTL, reg);
+
+       /* restore VFTA table */
+       for (i = 0; i < IGB_VFTA_SIZE; i++)
+               E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, i, shadow_vfta->vfta[i]);
+}
+
+static void
+igb_vlan_hw_strip_disable(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t reg;
+
+       /* VLAN Mode Disable */
+       reg = E1000_READ_REG(hw, E1000_CTRL);
+       reg &= ~E1000_CTRL_VME;
+       E1000_WRITE_REG(hw, E1000_CTRL, reg);
+}
+
+static void
+igb_vlan_hw_strip_enable(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t reg;
+
+       /* VLAN Mode Enable */
+       reg = E1000_READ_REG(hw, E1000_CTRL);
+       reg |= E1000_CTRL_VME;
+       E1000_WRITE_REG(hw, E1000_CTRL, reg);
+}
+
+static void
+igb_vlan_hw_extend_disable(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t reg;
+
+       /* CTRL_EXT: Extended VLAN */
+       reg = E1000_READ_REG(hw, E1000_CTRL_EXT);
+       reg &= ~E1000_CTRL_EXT_EXTEND_VLAN;
+       E1000_WRITE_REG(hw, E1000_CTRL_EXT, reg);
+
+       /* Update maximum packet length */
+       if (dev->data->dev_conf.rxmode.jumbo_frame == 1)
+               E1000_WRITE_REG(hw, E1000_RLPML,
+                       dev->data->dev_conf.rxmode.max_rx_pkt_len +
+                                               VLAN_TAG_SIZE);
+}
+
+static void
+igb_vlan_hw_extend_enable(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t reg;
+
+       /* CTRL_EXT: Extended VLAN */
+       reg = E1000_READ_REG(hw, E1000_CTRL_EXT);
+       reg |= E1000_CTRL_EXT_EXTEND_VLAN;
+       E1000_WRITE_REG(hw, E1000_CTRL_EXT, reg);
+
+       /* Update maximum packet length */
+       if (dev->data->dev_conf.rxmode.jumbo_frame == 1)
+               E1000_WRITE_REG(hw, E1000_RLPML,
+                       dev->data->dev_conf.rxmode.max_rx_pkt_len +
+                                               2 * VLAN_TAG_SIZE);
+}
+
+static void
+eth_igb_vlan_offload_set(struct rte_eth_dev *dev, int mask)
+{
+       if(mask & ETH_VLAN_STRIP_MASK){
+               if (dev->data->dev_conf.rxmode.hw_vlan_strip)
+                       igb_vlan_hw_strip_enable(dev);
+               else
+                       igb_vlan_hw_strip_disable(dev);
+       }
+
+       if(mask & ETH_VLAN_FILTER_MASK){
+               if (dev->data->dev_conf.rxmode.hw_vlan_filter)
+                       igb_vlan_hw_filter_enable(dev);
+               else
+                       igb_vlan_hw_filter_disable(dev);
+       }
+
+       if(mask & ETH_VLAN_EXTEND_MASK){
+               if (dev->data->dev_conf.rxmode.hw_vlan_extend)
+                       igb_vlan_hw_extend_enable(dev);
+               else
+                       igb_vlan_hw_extend_disable(dev);
+       }
+}
+
+
+/**
+ * It enables the interrupt mask and then enable the interrupt.
+ *
+ * @param dev
+ *  Pointer to struct rte_eth_dev.
+ *
+ * @return
+ *  - On success, zero.
+ *  - On failure, a negative value.
+ */
+static int
+eth_igb_lsc_interrupt_setup(struct rte_eth_dev *dev)
+{
+       struct e1000_interrupt *intr =
+               E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
+
+       intr->mask |= E1000_ICR_LSC;
+
+       return 0;
+}
+
+/* It clears the interrupt causes and enables the interrupt.
+ * It will be called once only during nic initialized.
+ *
+ * @param dev
+ *  Pointer to struct rte_eth_dev.
+ *
+ * @return
+ *  - On success, zero.
+ *  - On failure, a negative value.
+ */
+static int eth_igb_rxq_interrupt_setup(struct rte_eth_dev *dev)
+{
+       uint32_t mask, regval;
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct rte_eth_dev_info dev_info;
+
+       memset(&dev_info, 0, sizeof(dev_info));
+       eth_igb_infos_get(dev, &dev_info);
+
+       mask = 0xFFFFFFFF >> (32 - dev_info.max_rx_queues);
+       regval = E1000_READ_REG(hw, E1000_EIMS);
+       E1000_WRITE_REG(hw, E1000_EIMS, regval | mask);
+
+       return 0;
+}
+
+/*
+ * It reads ICR and gets interrupt causes, check it and set a bit flag
+ * to update link status.
+ *
+ * @param dev
+ *  Pointer to struct rte_eth_dev.
+ *
+ * @return
+ *  - On success, zero.
+ *  - On failure, a negative value.
+ */
+static int
+eth_igb_interrupt_get_status(struct rte_eth_dev *dev)
+{
+       uint32_t icr;
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_interrupt *intr =
+               E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
+
+       igb_intr_disable(hw);
+
+       /* read-on-clear nic registers here */
+       icr = E1000_READ_REG(hw, E1000_ICR);
+
+       intr->flags = 0;
+       if (icr & E1000_ICR_LSC) {
+               intr->flags |= E1000_FLAG_NEED_LINK_UPDATE;
+       }
+
+       if (icr & E1000_ICR_VMMB)
+               intr->flags |= E1000_FLAG_MAILBOX;
+
+       return 0;
+}
+
+/*
+ * It executes link_update after knowing an interrupt is prsent.
+ *
+ * @param dev
+ *  Pointer to struct rte_eth_dev.
+ *
+ * @return
+ *  - On success, zero.
+ *  - On failure, a negative value.
+ */
+static int
+eth_igb_interrupt_action(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_interrupt *intr =
+               E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
+       uint32_t tctl, rctl;
+       struct rte_eth_link link;
+       int ret;
+
+       if (intr->flags & E1000_FLAG_MAILBOX) {
+               igb_pf_mbx_process(dev);
+               intr->flags &= ~E1000_FLAG_MAILBOX;
+       }
+
+       igb_intr_enable(dev);
+       rte_intr_enable(&(dev->pci_dev->intr_handle));
+
+       if (intr->flags & E1000_FLAG_NEED_LINK_UPDATE) {
+               intr->flags &= ~E1000_FLAG_NEED_LINK_UPDATE;
+
+               /* set get_link_status to check register later */
+               hw->mac.get_link_status = 1;
+               ret = eth_igb_link_update(dev, 0);
+
+               /* check if link has changed */
+               if (ret < 0)
+                       return 0;
+
+               memset(&link, 0, sizeof(link));
+               rte_igb_dev_atomic_read_link_status(dev, &link);
+               if (link.link_status) {
+                       PMD_INIT_LOG(INFO,
+                                    " Port %d: Link Up - speed %u Mbps - %s",
+                                    dev->data->port_id,
+                                    (unsigned)link.link_speed,
+                                    link.link_duplex == ETH_LINK_FULL_DUPLEX ?
+                                    "full-duplex" : "half-duplex");
+               } else {
+                       PMD_INIT_LOG(INFO, " Port %d: Link Down",
+                                    dev->data->port_id);
+               }
+
+               PMD_INIT_LOG(DEBUG, "PCI Address: %04d:%02d:%02d:%d",
+                            dev->pci_dev->addr.domain,
+                            dev->pci_dev->addr.bus,
+                            dev->pci_dev->addr.devid,
+                            dev->pci_dev->addr.function);
+               tctl = E1000_READ_REG(hw, E1000_TCTL);
+               rctl = E1000_READ_REG(hw, E1000_RCTL);
+               if (link.link_status) {
+                       /* enable Tx/Rx */
+                       tctl |= E1000_TCTL_EN;
+                       rctl |= E1000_RCTL_EN;
+               } else {
+                       /* disable Tx/Rx */
+                       tctl &= ~E1000_TCTL_EN;
+                       rctl &= ~E1000_RCTL_EN;
+               }
+               E1000_WRITE_REG(hw, E1000_TCTL, tctl);
+               E1000_WRITE_REG(hw, E1000_RCTL, rctl);
+               E1000_WRITE_FLUSH(hw);
+               _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC);
+       }
+
+       return 0;
+}
+
+/**
+ * Interrupt handler which shall be registered at first.
+ *
+ * @param handle
+ *  Pointer to interrupt handle.
+ * @param param
+ *  The address of parameter (struct rte_eth_dev *) regsitered before.
+ *
+ * @return
+ *  void
+ */
+static void
+eth_igb_interrupt_handler(__rte_unused struct rte_intr_handle *handle,
+                                                       void *param)
+{
+       struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
+
+       eth_igb_interrupt_get_status(dev);
+       eth_igb_interrupt_action(dev);
+}
+
+static int
+eth_igb_led_on(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw;
+
+       hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       return e1000_led_on(hw) == E1000_SUCCESS ? 0 : -ENOTSUP;
+}
+
+static int
+eth_igb_led_off(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw;
+
+       hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       return e1000_led_off(hw) == E1000_SUCCESS ? 0 : -ENOTSUP;
+}
+
+static int
+eth_igb_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
+{
+       struct e1000_hw *hw;
+       uint32_t ctrl;
+       int tx_pause;
+       int rx_pause;
+
+       hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       fc_conf->pause_time = hw->fc.pause_time;
+       fc_conf->high_water = hw->fc.high_water;
+       fc_conf->low_water = hw->fc.low_water;
+       fc_conf->send_xon = hw->fc.send_xon;
+       fc_conf->autoneg = hw->mac.autoneg;
+
+       /*
+        * Return rx_pause and tx_pause status according to actual setting of
+        * the TFCE and RFCE bits in the CTRL register.
+        */
+       ctrl = E1000_READ_REG(hw, E1000_CTRL);
+       if (ctrl & E1000_CTRL_TFCE)
+               tx_pause = 1;
+       else
+               tx_pause = 0;
+
+       if (ctrl & E1000_CTRL_RFCE)
+               rx_pause = 1;
+       else
+               rx_pause = 0;
+
+       if (rx_pause && tx_pause)
+               fc_conf->mode = RTE_FC_FULL;
+       else if (rx_pause)
+               fc_conf->mode = RTE_FC_RX_PAUSE;
+       else if (tx_pause)
+               fc_conf->mode = RTE_FC_TX_PAUSE;
+       else
+               fc_conf->mode = RTE_FC_NONE;
+
+       return 0;
+}
+
+static int
+eth_igb_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
+{
+       struct e1000_hw *hw;
+       int err;
+       enum e1000_fc_mode rte_fcmode_2_e1000_fcmode[] = {
+               e1000_fc_none,
+               e1000_fc_rx_pause,
+               e1000_fc_tx_pause,
+               e1000_fc_full
+       };
+       uint32_t rx_buf_size;
+       uint32_t max_high_water;
+       uint32_t rctl;
+
+       hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       if (fc_conf->autoneg != hw->mac.autoneg)
+               return -ENOTSUP;
+       rx_buf_size = igb_get_rx_buffer_size(hw);
+       PMD_INIT_LOG(DEBUG, "Rx packet buffer size = 0x%x", rx_buf_size);
+
+       /* At least reserve one Ethernet frame for watermark */
+       max_high_water = rx_buf_size - ETHER_MAX_LEN;
+       if ((fc_conf->high_water > max_high_water) ||
+           (fc_conf->high_water < fc_conf->low_water)) {
+               PMD_INIT_LOG(ERR, "e1000 incorrect high/low water value");
+               PMD_INIT_LOG(ERR, "high water must <=  0x%x", max_high_water);
+               return -EINVAL;
+       }
+
+       hw->fc.requested_mode = rte_fcmode_2_e1000_fcmode[fc_conf->mode];
+       hw->fc.pause_time     = fc_conf->pause_time;
+       hw->fc.high_water     = fc_conf->high_water;
+       hw->fc.low_water      = fc_conf->low_water;
+       hw->fc.send_xon       = fc_conf->send_xon;
+
+       err = e1000_setup_link_generic(hw);
+       if (err == E1000_SUCCESS) {
+
+               /* check if we want to forward MAC frames - driver doesn't have native
+                * capability to do that, so we'll write the registers ourselves */
+
+               rctl = E1000_READ_REG(hw, E1000_RCTL);
+
+               /* set or clear MFLCN.PMCF bit depending on configuration */
+               if (fc_conf->mac_ctrl_frame_fwd != 0)
+                       rctl |= E1000_RCTL_PMCF;
+               else
+                       rctl &= ~E1000_RCTL_PMCF;
+
+               E1000_WRITE_REG(hw, E1000_RCTL, rctl);
+               E1000_WRITE_FLUSH(hw);
+
+               return 0;
+       }
+
+       PMD_INIT_LOG(ERR, "e1000_setup_link_generic = 0x%x", err);
+       return -EIO;
+}
+
+#define E1000_RAH_POOLSEL_SHIFT      (18)
+static void
+eth_igb_rar_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr,
+               uint32_t index, __rte_unused uint32_t pool)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t rah;
+
+       e1000_rar_set(hw, mac_addr->addr_bytes, index);
+       rah = E1000_READ_REG(hw, E1000_RAH(index));
+       rah |= (0x1 << (E1000_RAH_POOLSEL_SHIFT + pool));
+       E1000_WRITE_REG(hw, E1000_RAH(index), rah);
+}
+
+static void
+eth_igb_rar_clear(struct rte_eth_dev *dev, uint32_t index)
+{
+       uint8_t addr[ETHER_ADDR_LEN];
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       memset(addr, 0, sizeof(addr));
+
+       e1000_rar_set(hw, addr, index);
+}
+
+static void
+eth_igb_default_mac_addr_set(struct rte_eth_dev *dev,
+                               struct ether_addr *addr)
+{
+       eth_igb_rar_clear(dev, 0);
+
+       eth_igb_rar_set(dev, (void *)addr, 0, 0);
+}
+/*
+ * Virtual Function operations
+ */
+static void
+igbvf_intr_disable(struct e1000_hw *hw)
+{
+       PMD_INIT_FUNC_TRACE();
+
+       /* Clear interrupt mask to stop from interrupts being generated */
+       E1000_WRITE_REG(hw, E1000_EIMC, 0xFFFF);
+
+       E1000_WRITE_FLUSH(hw);
+}
+
+static void
+igbvf_stop_adapter(struct rte_eth_dev *dev)
+{
+       u32 reg_val;
+       u16 i;
+       struct rte_eth_dev_info dev_info;
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       memset(&dev_info, 0, sizeof(dev_info));
+       eth_igbvf_infos_get(dev, &dev_info);
+
+       /* Clear interrupt mask to stop from interrupts being generated */
+       igbvf_intr_disable(hw);
+
+       /* Clear any pending interrupts, flush previous writes */
+       E1000_READ_REG(hw, E1000_EICR);
+
+       /* Disable the transmit unit.  Each queue must be disabled. */
+       for (i = 0; i < dev_info.max_tx_queues; i++)
+               E1000_WRITE_REG(hw, E1000_TXDCTL(i), E1000_TXDCTL_SWFLSH);
+
+       /* Disable the receive unit by stopping each queue */
+       for (i = 0; i < dev_info.max_rx_queues; i++) {
+               reg_val = E1000_READ_REG(hw, E1000_RXDCTL(i));
+               reg_val &= ~E1000_RXDCTL_QUEUE_ENABLE;
+               E1000_WRITE_REG(hw, E1000_RXDCTL(i), reg_val);
+               while (E1000_READ_REG(hw, E1000_RXDCTL(i)) & E1000_RXDCTL_QUEUE_ENABLE)
+                       ;
+       }
+
+       /* flush all queues disables */
+       E1000_WRITE_FLUSH(hw);
+       msec_delay(2);
+}
+
+static int eth_igbvf_link_update(struct e1000_hw *hw)
+{
+       struct e1000_mbx_info *mbx = &hw->mbx;
+       struct e1000_mac_info *mac = &hw->mac;
+       int ret_val = E1000_SUCCESS;
+
+       PMD_INIT_LOG(DEBUG, "e1000_check_for_link_vf");
+
+       /*
+        * We only want to run this if there has been a rst asserted.
+        * in this case that could mean a link change, device reset,
+        * or a virtual function reset
+        */
+
+       /* If we were hit with a reset or timeout drop the link */
+       if (!e1000_check_for_rst(hw, 0) || !mbx->timeout)
+               mac->get_link_status = TRUE;
+
+       if (!mac->get_link_status)
+               goto out;
+
+       /* if link status is down no point in checking to see if pf is up */
+       if (!(E1000_READ_REG(hw, E1000_STATUS) & E1000_STATUS_LU))
+               goto out;
+
+       /* if we passed all the tests above then the link is up and we no
+        * longer need to check for link */
+       mac->get_link_status = FALSE;
+
+out:
+       return ret_val;
+}
+
+
+static int
+igbvf_dev_configure(struct rte_eth_dev *dev)
+{
+       struct rte_eth_conf* conf = &dev->data->dev_conf;
+
+       PMD_INIT_LOG(DEBUG, "Configured Virtual Function port id: %d",
+                    dev->data->port_id);
+
+       /*
+        * VF has no ability to enable/disable HW CRC
+        * Keep the persistent behavior the same as Host PF
+        */
+#ifndef RTE_LIBRTE_E1000_PF_DISABLE_STRIP_CRC
+       if (!conf->rxmode.hw_strip_crc) {
+               PMD_INIT_LOG(NOTICE, "VF can't disable HW CRC Strip");
+               conf->rxmode.hw_strip_crc = 1;
+       }
+#else
+       if (conf->rxmode.hw_strip_crc) {
+               PMD_INIT_LOG(NOTICE, "VF can't enable HW CRC Strip");
+               conf->rxmode.hw_strip_crc = 0;
+       }
+#endif
+
+       return 0;
+}
+
+static int
+igbvf_dev_start(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_adapter *adapter =
+               E1000_DEV_PRIVATE(dev->data->dev_private);
+       int ret;
+
+       PMD_INIT_FUNC_TRACE();
+
+       hw->mac.ops.reset_hw(hw);
+       adapter->stopped = 0;
+
+       /* Set all vfta */
+       igbvf_set_vfta_all(dev,1);
+
+       eth_igbvf_tx_init(dev);
+
+       /* This can fail when allocating mbufs for descriptor rings */
+       ret = eth_igbvf_rx_init(dev);
+       if (ret) {
+               PMD_INIT_LOG(ERR, "Unable to initialize RX hardware");
+               igb_dev_clear_queues(dev);
+               return ret;
+       }
+
+       return 0;
+}
+
+static void
+igbvf_dev_stop(struct rte_eth_dev *dev)
+{
+       PMD_INIT_FUNC_TRACE();
+
+       igbvf_stop_adapter(dev);
+
+       /*
+         * Clear what we set, but we still keep shadow_vfta to
+         * restore after device starts
+         */
+       igbvf_set_vfta_all(dev,0);
+
+       igb_dev_clear_queues(dev);
+}
+
+static void
+igbvf_dev_close(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_adapter *adapter =
+               E1000_DEV_PRIVATE(dev->data->dev_private);
+       struct ether_addr addr;
+
+       PMD_INIT_FUNC_TRACE();
+
+       e1000_reset_hw(hw);
+
+       igbvf_dev_stop(dev);
+       adapter->stopped = 1;
+       igb_dev_free_queues(dev);
+
+       /**
+        * reprogram the RAR with a zero mac address,
+        * to ensure that the VF traffic goes to the PF
+        * after stop, close and detach of the VF.
+        **/
+
+       memset(&addr, 0, sizeof(addr));
+       igbvf_default_mac_addr_set(dev, &addr);
+}
+
+static void
+igbvf_promiscuous_enable(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       /* Set both unicast and multicast promisc */
+       e1000_promisc_set_vf(hw, e1000_promisc_enabled);
+}
+
+static void
+igbvf_promiscuous_disable(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       /* If in allmulticast mode leave multicast promisc */
+       if (dev->data->all_multicast == 1)
+               e1000_promisc_set_vf(hw, e1000_promisc_multicast);
+       else
+               e1000_promisc_set_vf(hw, e1000_promisc_disabled);
+}
+
+static void
+igbvf_allmulticast_enable(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       /* In promiscuous mode multicast promisc already set */
+       if (dev->data->promiscuous == 0)
+               e1000_promisc_set_vf(hw, e1000_promisc_multicast);
+}
+
+static void
+igbvf_allmulticast_disable(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       /* In promiscuous mode leave multicast promisc enabled */
+       if (dev->data->promiscuous == 0)
+               e1000_promisc_set_vf(hw, e1000_promisc_disabled);
+}
+
+static int igbvf_set_vfta(struct e1000_hw *hw, uint16_t vid, bool on)
+{
+       struct e1000_mbx_info *mbx = &hw->mbx;
+       uint32_t msgbuf[2];
+       s32 err;
+
+       /* After set vlan, vlan strip will also be enabled in igb driver*/
+       msgbuf[0] = E1000_VF_SET_VLAN;
+       msgbuf[1] = vid;
+       /* Setting the 8 bit field MSG INFO to TRUE indicates "add" */
+       if (on)
+               msgbuf[0] |= E1000_VF_SET_VLAN_ADD;
+
+       err = mbx->ops.write_posted(hw, msgbuf, 2, 0);
+       if (err)
+               goto mbx_err;
+
+       err = mbx->ops.read_posted(hw, msgbuf, 2, 0);
+       if (err)
+               goto mbx_err;
+
+       msgbuf[0] &= ~E1000_VT_MSGTYPE_CTS;
+       if (msgbuf[0] == (E1000_VF_SET_VLAN | E1000_VT_MSGTYPE_NACK))
+               err = -EINVAL;
+
+mbx_err:
+       return err;
+}
+
+static void igbvf_set_vfta_all(struct rte_eth_dev *dev, bool on)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_vfta * shadow_vfta =
+               E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
+       int i = 0, j = 0, vfta = 0, mask = 1;
+
+       for (i = 0; i < IGB_VFTA_SIZE; i++){
+               vfta = shadow_vfta->vfta[i];
+               if(vfta){
+                       mask = 1;
+                       for (j = 0; j < 32; j++){
+                               if(vfta & mask)
+                                       igbvf_set_vfta(hw,
+                                               (uint16_t)((i<<5)+j), on);
+                               mask<<=1;
+                       }
+               }
+       }
+
+}
+
+static int
+igbvf_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_vfta * shadow_vfta =
+               E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
+       uint32_t vid_idx = 0;
+       uint32_t vid_bit = 0;
+       int ret = 0;
+
+       PMD_INIT_FUNC_TRACE();
+
+       /*vind is not used in VF driver, set to 0, check ixgbe_set_vfta_vf*/
+       ret = igbvf_set_vfta(hw, vlan_id, !!on);
+       if(ret){
+               PMD_INIT_LOG(ERR, "Unable to set VF vlan");
+               return ret;
+       }
+       vid_idx = (uint32_t) ((vlan_id >> 5) & 0x7F);
+       vid_bit = (uint32_t) (1 << (vlan_id & 0x1F));
+
+       /*Save what we set and retore it after device reset*/
+       if (on)
+               shadow_vfta->vfta[vid_idx] |= vid_bit;
+       else
+               shadow_vfta->vfta[vid_idx] &= ~vid_bit;
+
+       return 0;
+}
+
+static void
+igbvf_default_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *addr)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       /* index is not used by rar_set() */
+       hw->mac.ops.rar_set(hw, (void *)addr, 0);
+}
+
+
+static int
+eth_igb_rss_reta_update(struct rte_eth_dev *dev,
+                       struct rte_eth_rss_reta_entry64 *reta_conf,
+                       uint16_t reta_size)
+{
+       uint8_t i, j, mask;
+       uint32_t reta, r;
+       uint16_t idx, shift;
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       if (reta_size != ETH_RSS_RETA_SIZE_128) {
+               PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
+                       "(%d) doesn't match the number hardware can supported "
+                       "(%d)\n", reta_size, ETH_RSS_RETA_SIZE_128);
+               return -EINVAL;
+       }
+
+       for (i = 0; i < reta_size; i += IGB_4_BIT_WIDTH) {
+               idx = i / RTE_RETA_GROUP_SIZE;
+               shift = i % RTE_RETA_GROUP_SIZE;
+               mask = (uint8_t)((reta_conf[idx].mask >> shift) &
+                                               IGB_4_BIT_MASK);
+               if (!mask)
+                       continue;
+               if (mask == IGB_4_BIT_MASK)
+                       r = 0;
+               else
+                       r = E1000_READ_REG(hw, E1000_RETA(i >> 2));
+               for (j = 0, reta = 0; j < IGB_4_BIT_WIDTH; j++) {
+                       if (mask & (0x1 << j))
+                               reta |= reta_conf[idx].reta[shift + j] <<
+                                                       (CHAR_BIT * j);
+                       else
+                               reta |= r & (IGB_8_BIT_MASK << (CHAR_BIT * j));
+               }
+               E1000_WRITE_REG(hw, E1000_RETA(i >> 2), reta);
+       }
+
+       return 0;
+}
+
+static int
+eth_igb_rss_reta_query(struct rte_eth_dev *dev,
+                      struct rte_eth_rss_reta_entry64 *reta_conf,
+                      uint16_t reta_size)
+{
+       uint8_t i, j, mask;
+       uint32_t reta;
+       uint16_t idx, shift;
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       if (reta_size != ETH_RSS_RETA_SIZE_128) {
+               PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
+                       "(%d) doesn't match the number hardware can supported "
+                       "(%d)\n", reta_size, ETH_RSS_RETA_SIZE_128);
+               return -EINVAL;
+       }
+
+       for (i = 0; i < reta_size; i += IGB_4_BIT_WIDTH) {
+               idx = i / RTE_RETA_GROUP_SIZE;
+               shift = i % RTE_RETA_GROUP_SIZE;
+               mask = (uint8_t)((reta_conf[idx].mask >> shift) &
+                                               IGB_4_BIT_MASK);
+               if (!mask)
+                       continue;
+               reta = E1000_READ_REG(hw, E1000_RETA(i >> 2));
+               for (j = 0; j < IGB_4_BIT_WIDTH; j++) {
+                       if (mask & (0x1 << j))
+                               reta_conf[idx].reta[shift + j] =
+                                       ((reta >> (CHAR_BIT * j)) &
+                                               IGB_8_BIT_MASK);
+               }
+       }
+
+       return 0;
+}
+
+#define MAC_TYPE_FILTER_SUP(type)    do {\
+       if ((type) != e1000_82580 && (type) != e1000_i350 &&\
+               (type) != e1000_82576)\
+               return -ENOTSUP;\
+} while (0)
+
+static int
+eth_igb_syn_filter_set(struct rte_eth_dev *dev,
+                       struct rte_eth_syn_filter *filter,
+                       bool add)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t synqf, rfctl;
+
+       if (filter->queue >= IGB_MAX_RX_QUEUE_NUM)
+               return -EINVAL;
+
+       synqf = E1000_READ_REG(hw, E1000_SYNQF(0));
+
+       if (add) {
+               if (synqf & E1000_SYN_FILTER_ENABLE)
+                       return -EINVAL;
+
+               synqf = (uint32_t)(((filter->queue << E1000_SYN_FILTER_QUEUE_SHIFT) &
+                       E1000_SYN_FILTER_QUEUE) | E1000_SYN_FILTER_ENABLE);
+
+               rfctl = E1000_READ_REG(hw, E1000_RFCTL);
+               if (filter->hig_pri)
+                       rfctl |= E1000_RFCTL_SYNQFP;
+               else
+                       rfctl &= ~E1000_RFCTL_SYNQFP;
+
+               E1000_WRITE_REG(hw, E1000_RFCTL, rfctl);
+       } else {
+               if (!(synqf & E1000_SYN_FILTER_ENABLE))
+                       return -ENOENT;
+               synqf = 0;
+       }
+
+       E1000_WRITE_REG(hw, E1000_SYNQF(0), synqf);
+       E1000_WRITE_FLUSH(hw);
+       return 0;
+}
+
+static int
+eth_igb_syn_filter_get(struct rte_eth_dev *dev,
+                       struct rte_eth_syn_filter *filter)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t synqf, rfctl;
+
+       synqf = E1000_READ_REG(hw, E1000_SYNQF(0));
+       if (synqf & E1000_SYN_FILTER_ENABLE) {
+               rfctl = E1000_READ_REG(hw, E1000_RFCTL);
+               filter->hig_pri = (rfctl & E1000_RFCTL_SYNQFP) ? 1 : 0;
+               filter->queue = (uint8_t)((synqf & E1000_SYN_FILTER_QUEUE) >>
+                               E1000_SYN_FILTER_QUEUE_SHIFT);
+               return 0;
+       }
+
+       return -ENOENT;
+}
+
+static int
+eth_igb_syn_filter_handle(struct rte_eth_dev *dev,
+                       enum rte_filter_op filter_op,
+                       void *arg)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       int ret;
+
+       MAC_TYPE_FILTER_SUP(hw->mac.type);
+
+       if (filter_op == RTE_ETH_FILTER_NOP)
+               return 0;
+
+       if (arg == NULL) {
+               PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u",
+                           filter_op);
+               return -EINVAL;
+       }
+
+       switch (filter_op) {
+       case RTE_ETH_FILTER_ADD:
+               ret = eth_igb_syn_filter_set(dev,
+                               (struct rte_eth_syn_filter *)arg,
+                               TRUE);
+               break;
+       case RTE_ETH_FILTER_DELETE:
+               ret = eth_igb_syn_filter_set(dev,
+                               (struct rte_eth_syn_filter *)arg,
+                               FALSE);
+               break;
+       case RTE_ETH_FILTER_GET:
+               ret = eth_igb_syn_filter_get(dev,
+                               (struct rte_eth_syn_filter *)arg);
+               break;
+       default:
+               PMD_DRV_LOG(ERR, "unsupported operation %u\n", filter_op);
+               ret = -EINVAL;
+               break;
+       }
+
+       return ret;
+}
+
+#define MAC_TYPE_FILTER_SUP_EXT(type)    do {\
+       if ((type) != e1000_82580 && (type) != e1000_i350)\
+               return -ENOSYS; \
+} while (0)
+
+/* translate elements in struct rte_eth_ntuple_filter to struct e1000_2tuple_filter_info*/
+static inline int
+ntuple_filter_to_2tuple(struct rte_eth_ntuple_filter *filter,
+                       struct e1000_2tuple_filter_info *filter_info)
+{
+       if (filter->queue >= IGB_MAX_RX_QUEUE_NUM)
+               return -EINVAL;
+       if (filter->priority > E1000_2TUPLE_MAX_PRI)
+               return -EINVAL;  /* filter index is out of range. */
+       if (filter->tcp_flags > TCP_FLAG_ALL)
+               return -EINVAL;  /* flags is invalid. */
+
+       switch (filter->dst_port_mask) {
+       case UINT16_MAX:
+               filter_info->dst_port_mask = 0;
+               filter_info->dst_port = filter->dst_port;
+               break;
+       case 0:
+               filter_info->dst_port_mask = 1;
+               break;
+       default:
+               PMD_DRV_LOG(ERR, "invalid dst_port mask.");
+               return -EINVAL;
+       }
+
+       switch (filter->proto_mask) {
+       case UINT8_MAX:
+               filter_info->proto_mask = 0;
+               filter_info->proto = filter->proto;
+               break;
+       case 0:
+               filter_info->proto_mask = 1;
+               break;
+       default:
+               PMD_DRV_LOG(ERR, "invalid protocol mask.");
+               return -EINVAL;
+       }
+
+       filter_info->priority = (uint8_t)filter->priority;
+       if (filter->flags & RTE_NTUPLE_FLAGS_TCP_FLAG)
+               filter_info->tcp_flags = filter->tcp_flags;
+       else
+               filter_info->tcp_flags = 0;
+
+       return 0;
+}
+
+static inline struct e1000_2tuple_filter *
+igb_2tuple_filter_lookup(struct e1000_2tuple_filter_list *filter_list,
+                       struct e1000_2tuple_filter_info *key)
+{
+       struct e1000_2tuple_filter *it;
+
+       TAILQ_FOREACH(it, filter_list, entries) {
+               if (memcmp(key, &it->filter_info,
+                       sizeof(struct e1000_2tuple_filter_info)) == 0) {
+                       return it;
+               }
+       }
+       return NULL;
+}
+
+/*
+ * igb_add_2tuple_filter - add a 2tuple filter
+ *
+ * @param
+ * dev: Pointer to struct rte_eth_dev.
+ * ntuple_filter: ponter to the filter that will be added.
+ *
+ * @return
+ *    - On success, zero.
+ *    - On failure, a negative value.
+ */
+static int
+igb_add_2tuple_filter(struct rte_eth_dev *dev,
+                       struct rte_eth_ntuple_filter *ntuple_filter)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+       struct e1000_2tuple_filter *filter;
+       uint32_t ttqf = E1000_TTQF_DISABLE_MASK;
+       uint32_t imir, imir_ext = E1000_IMIREXT_SIZE_BP;
+       int i, ret;
+
+       filter = rte_zmalloc("e1000_2tuple_filter",
+                       sizeof(struct e1000_2tuple_filter), 0);
+       if (filter == NULL)
+               return -ENOMEM;
+
+       ret = ntuple_filter_to_2tuple(ntuple_filter,
+                                     &filter->filter_info);
+       if (ret < 0) {
+               rte_free(filter);
+               return ret;
+       }
+       if (igb_2tuple_filter_lookup(&filter_info->twotuple_list,
+                                        &filter->filter_info) != NULL) {
+               PMD_DRV_LOG(ERR, "filter exists.");
+               rte_free(filter);
+               return -EEXIST;
+       }
+       filter->queue = ntuple_filter->queue;
+
+       /*
+        * look for an unused 2tuple filter index,
+        * and insert the filter to list.
+        */
+       for (i = 0; i < E1000_MAX_TTQF_FILTERS; i++) {
+               if (!(filter_info->twotuple_mask & (1 << i))) {
+                       filter_info->twotuple_mask |= 1 << i;
+                       filter->index = i;
+                       TAILQ_INSERT_TAIL(&filter_info->twotuple_list,
+                                         filter,
+                                         entries);
+                       break;
+               }
+       }
+       if (i >= E1000_MAX_TTQF_FILTERS) {
+               PMD_DRV_LOG(ERR, "2tuple filters are full.");
+               rte_free(filter);
+               return -ENOSYS;
+       }
+
+       imir = (uint32_t)(filter->filter_info.dst_port & E1000_IMIR_DSTPORT);
+       if (filter->filter_info.dst_port_mask == 1) /* 1b means not compare. */
+               imir |= E1000_IMIR_PORT_BP;
+       else
+               imir &= ~E1000_IMIR_PORT_BP;
+
+       imir |= filter->filter_info.priority << E1000_IMIR_PRIORITY_SHIFT;
+
+       ttqf |= E1000_TTQF_QUEUE_ENABLE;
+       ttqf |= (uint32_t)(filter->queue << E1000_TTQF_QUEUE_SHIFT);
+       ttqf |= (uint32_t)(filter->filter_info.proto & E1000_TTQF_PROTOCOL_MASK);
+       if (filter->filter_info.proto_mask == 0)
+               ttqf &= ~E1000_TTQF_MASK_ENABLE;
+
+       /* tcp flags bits setting. */
+       if (filter->filter_info.tcp_flags & TCP_FLAG_ALL) {
+               if (filter->filter_info.tcp_flags & TCP_URG_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_URG;
+               if (filter->filter_info.tcp_flags & TCP_ACK_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_ACK;
+               if (filter->filter_info.tcp_flags & TCP_PSH_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_PSH;
+               if (filter->filter_info.tcp_flags & TCP_RST_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_RST;
+               if (filter->filter_info.tcp_flags & TCP_SYN_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_SYN;
+               if (filter->filter_info.tcp_flags & TCP_FIN_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_FIN;
+       } else
+               imir_ext |= E1000_IMIREXT_CTRL_BP;
+       E1000_WRITE_REG(hw, E1000_IMIR(i), imir);
+       E1000_WRITE_REG(hw, E1000_TTQF(i), ttqf);
+       E1000_WRITE_REG(hw, E1000_IMIREXT(i), imir_ext);
+       return 0;
+}
+
+/*
+ * igb_remove_2tuple_filter - remove a 2tuple filter
+ *
+ * @param
+ * dev: Pointer to struct rte_eth_dev.
+ * ntuple_filter: ponter to the filter that will be removed.
+ *
+ * @return
+ *    - On success, zero.
+ *    - On failure, a negative value.
+ */
+static int
+igb_remove_2tuple_filter(struct rte_eth_dev *dev,
+                       struct rte_eth_ntuple_filter *ntuple_filter)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+       struct e1000_2tuple_filter_info filter_2tuple;
+       struct e1000_2tuple_filter *filter;
+       int ret;
+
+       memset(&filter_2tuple, 0, sizeof(struct e1000_2tuple_filter_info));
+       ret = ntuple_filter_to_2tuple(ntuple_filter,
+                                     &filter_2tuple);
+       if (ret < 0)
+               return ret;
+
+       filter = igb_2tuple_filter_lookup(&filter_info->twotuple_list,
+                                        &filter_2tuple);
+       if (filter == NULL) {
+               PMD_DRV_LOG(ERR, "filter doesn't exist.");
+               return -ENOENT;
+       }
+
+       filter_info->twotuple_mask &= ~(1 << filter->index);
+       TAILQ_REMOVE(&filter_info->twotuple_list, filter, entries);
+       rte_free(filter);
+
+       E1000_WRITE_REG(hw, E1000_TTQF(filter->index), E1000_TTQF_DISABLE_MASK);
+       E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
+       E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
+       return 0;
+}
+
+static inline struct e1000_flex_filter *
+eth_igb_flex_filter_lookup(struct e1000_flex_filter_list *filter_list,
+                       struct e1000_flex_filter_info *key)
+{
+       struct e1000_flex_filter *it;
+
+       TAILQ_FOREACH(it, filter_list, entries) {
+               if (memcmp(key, &it->filter_info,
+                       sizeof(struct e1000_flex_filter_info)) == 0)
+                       return it;
+       }
+
+       return NULL;
+}
+
+static int
+eth_igb_add_del_flex_filter(struct rte_eth_dev *dev,
+                       struct rte_eth_flex_filter *filter,
+                       bool add)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+       struct e1000_flex_filter *flex_filter, *it;
+       uint32_t wufc, queueing, mask;
+       uint32_t reg_off;
+       uint8_t shift, i, j = 0;
+
+       flex_filter = rte_zmalloc("e1000_flex_filter",
+                       sizeof(struct e1000_flex_filter), 0);
+       if (flex_filter == NULL)
+               return -ENOMEM;
+
+       flex_filter->filter_info.len = filter->len;
+       flex_filter->filter_info.priority = filter->priority;
+       memcpy(flex_filter->filter_info.dwords, filter->bytes, filter->len);
+       for (i = 0; i < RTE_ALIGN(filter->len, CHAR_BIT) / CHAR_BIT; i++) {
+               mask = 0;
+               /* reverse bits in flex filter's mask*/
+               for (shift = 0; shift < CHAR_BIT; shift++) {
+                       if (filter->mask[i] & (0x01 << shift))
+                               mask |= (0x80 >> shift);
+               }
+               flex_filter->filter_info.mask[i] = mask;
+       }
+
+       wufc = E1000_READ_REG(hw, E1000_WUFC);
+       if (flex_filter->index < E1000_MAX_FHFT)
+               reg_off = E1000_FHFT(flex_filter->index);
+       else
+               reg_off = E1000_FHFT_EXT(flex_filter->index - E1000_MAX_FHFT);
+
+       if (add) {
+               if (eth_igb_flex_filter_lookup(&filter_info->flex_list,
+                               &flex_filter->filter_info) != NULL) {
+                       PMD_DRV_LOG(ERR, "filter exists.");
+                       rte_free(flex_filter);
+                       return -EEXIST;
+               }
+               flex_filter->queue = filter->queue;
+               /*
+                * look for an unused flex filter index
+                * and insert the filter into the list.
+                */
+               for (i = 0; i < E1000_MAX_FLEX_FILTERS; i++) {
+                       if (!(filter_info->flex_mask & (1 << i))) {
+                               filter_info->flex_mask |= 1 << i;
+                               flex_filter->index = i;
+                               TAILQ_INSERT_TAIL(&filter_info->flex_list,
+                                       flex_filter,
+                                       entries);
+                               break;
+                       }
+               }
+               if (i >= E1000_MAX_FLEX_FILTERS) {
+                       PMD_DRV_LOG(ERR, "flex filters are full.");
+                       rte_free(flex_filter);
+                       return -ENOSYS;
+               }
+
+               E1000_WRITE_REG(hw, E1000_WUFC, wufc | E1000_WUFC_FLEX_HQ |
+                               (E1000_WUFC_FLX0 << flex_filter->index));
+               queueing = filter->len |
+                       (filter->queue << E1000_FHFT_QUEUEING_QUEUE_SHIFT) |
+                       (filter->priority << E1000_FHFT_QUEUEING_PRIO_SHIFT);
+               E1000_WRITE_REG(hw, reg_off + E1000_FHFT_QUEUEING_OFFSET,
+                               queueing);
+               for (i = 0; i < E1000_FLEX_FILTERS_MASK_SIZE; i++) {
+                       E1000_WRITE_REG(hw, reg_off,
+                                       flex_filter->filter_info.dwords[j]);
+                       reg_off += sizeof(uint32_t);
+                       E1000_WRITE_REG(hw, reg_off,
+                                       flex_filter->filter_info.dwords[++j]);
+                       reg_off += sizeof(uint32_t);
+                       E1000_WRITE_REG(hw, reg_off,
+                               (uint32_t)flex_filter->filter_info.mask[i]);
+                       reg_off += sizeof(uint32_t) * 2;
+                       ++j;
+               }
+       } else {
+               it = eth_igb_flex_filter_lookup(&filter_info->flex_list,
+                               &flex_filter->filter_info);
+               if (it == NULL) {
+                       PMD_DRV_LOG(ERR, "filter doesn't exist.");
+                       rte_free(flex_filter);
+                       return -ENOENT;
+               }
+
+               for (i = 0; i < E1000_FHFT_SIZE_IN_DWD; i++)
+                       E1000_WRITE_REG(hw, reg_off + i * sizeof(uint32_t), 0);
+               E1000_WRITE_REG(hw, E1000_WUFC, wufc &
+                       (~(E1000_WUFC_FLX0 << it->index)));
+
+               filter_info->flex_mask &= ~(1 << it->index);
+               TAILQ_REMOVE(&filter_info->flex_list, it, entries);
+               rte_free(it);
+               rte_free(flex_filter);
+       }
+
+       return 0;
+}
+
+static int
+eth_igb_get_flex_filter(struct rte_eth_dev *dev,
+                       struct rte_eth_flex_filter *filter)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+       struct e1000_flex_filter flex_filter, *it;
+       uint32_t wufc, queueing, wufc_en = 0;
+
+       memset(&flex_filter, 0, sizeof(struct e1000_flex_filter));
+       flex_filter.filter_info.len = filter->len;
+       flex_filter.filter_info.priority = filter->priority;
+       memcpy(flex_filter.filter_info.dwords, filter->bytes, filter->len);
+       memcpy(flex_filter.filter_info.mask, filter->mask,
+                       RTE_ALIGN(filter->len, sizeof(char)) / sizeof(char));
+
+       it = eth_igb_flex_filter_lookup(&filter_info->flex_list,
+                               &flex_filter.filter_info);
+       if (it == NULL) {
+               PMD_DRV_LOG(ERR, "filter doesn't exist.");
+               return -ENOENT;
+       }
+
+       wufc = E1000_READ_REG(hw, E1000_WUFC);
+       wufc_en = E1000_WUFC_FLEX_HQ | (E1000_WUFC_FLX0 << it->index);
+
+       if ((wufc & wufc_en) == wufc_en) {
+               uint32_t reg_off = 0;
+               if (it->index < E1000_MAX_FHFT)
+                       reg_off = E1000_FHFT(it->index);
+               else
+                       reg_off = E1000_FHFT_EXT(it->index - E1000_MAX_FHFT);
+
+               queueing = E1000_READ_REG(hw,
+                               reg_off + E1000_FHFT_QUEUEING_OFFSET);
+               filter->len = queueing & E1000_FHFT_QUEUEING_LEN;
+               filter->priority = (queueing & E1000_FHFT_QUEUEING_PRIO) >>
+                       E1000_FHFT_QUEUEING_PRIO_SHIFT;
+               filter->queue = (queueing & E1000_FHFT_QUEUEING_QUEUE) >>
+                       E1000_FHFT_QUEUEING_QUEUE_SHIFT;
+               return 0;
+       }
+       return -ENOENT;
+}
+
+static int
+eth_igb_flex_filter_handle(struct rte_eth_dev *dev,
+                       enum rte_filter_op filter_op,
+                       void *arg)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct rte_eth_flex_filter *filter;
+       int ret = 0;
+
+       MAC_TYPE_FILTER_SUP_EXT(hw->mac.type);
+
+       if (filter_op == RTE_ETH_FILTER_NOP)
+               return ret;
+
+       if (arg == NULL) {
+               PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u",
+                           filter_op);
+               return -EINVAL;
+       }
+
+       filter = (struct rte_eth_flex_filter *)arg;
+       if (filter->len == 0 || filter->len > E1000_MAX_FLEX_FILTER_LEN
+           || filter->len % sizeof(uint64_t) != 0) {
+               PMD_DRV_LOG(ERR, "filter's length is out of range");
+               return -EINVAL;
+       }
+       if (filter->priority > E1000_MAX_FLEX_FILTER_PRI) {
+               PMD_DRV_LOG(ERR, "filter's priority is out of range");
+               return -EINVAL;
+       }
+
+       switch (filter_op) {
+       case RTE_ETH_FILTER_ADD:
+               ret = eth_igb_add_del_flex_filter(dev, filter, TRUE);
+               break;
+       case RTE_ETH_FILTER_DELETE:
+               ret = eth_igb_add_del_flex_filter(dev, filter, FALSE);
+               break;
+       case RTE_ETH_FILTER_GET:
+               ret = eth_igb_get_flex_filter(dev, filter);
+               break;
+       default:
+               PMD_DRV_LOG(ERR, "unsupported operation %u", filter_op);
+               ret = -EINVAL;
+               break;
+       }
+
+       return ret;
+}
+
+/* translate elements in struct rte_eth_ntuple_filter to struct e1000_5tuple_filter_info*/
+static inline int
+ntuple_filter_to_5tuple_82576(struct rte_eth_ntuple_filter *filter,
+                       struct e1000_5tuple_filter_info *filter_info)
+{
+       if (filter->queue >= IGB_MAX_RX_QUEUE_NUM_82576)
+               return -EINVAL;
+       if (filter->priority > E1000_2TUPLE_MAX_PRI)
+               return -EINVAL;  /* filter index is out of range. */
+       if (filter->tcp_flags > TCP_FLAG_ALL)
+               return -EINVAL;  /* flags is invalid. */
+
+       switch (filter->dst_ip_mask) {
+       case UINT32_MAX:
+               filter_info->dst_ip_mask = 0;
+               filter_info->dst_ip = filter->dst_ip;
+               break;
+       case 0:
+               filter_info->dst_ip_mask = 1;
+               break;
+       default:
+               PMD_DRV_LOG(ERR, "invalid dst_ip mask.");
+               return -EINVAL;
+       }
+
+       switch (filter->src_ip_mask) {
+       case UINT32_MAX:
+               filter_info->src_ip_mask = 0;
+               filter_info->src_ip = filter->src_ip;
+               break;
+       case 0:
+               filter_info->src_ip_mask = 1;
+               break;
+       default:
+               PMD_DRV_LOG(ERR, "invalid src_ip mask.");
+               return -EINVAL;
+       }
+
+       switch (filter->dst_port_mask) {
+       case UINT16_MAX:
+               filter_info->dst_port_mask = 0;
+               filter_info->dst_port = filter->dst_port;
+               break;
+       case 0:
+               filter_info->dst_port_mask = 1;
+               break;
+       default:
+               PMD_DRV_LOG(ERR, "invalid dst_port mask.");
+               return -EINVAL;
+       }
+
+       switch (filter->src_port_mask) {
+       case UINT16_MAX:
+               filter_info->src_port_mask = 0;
+               filter_info->src_port = filter->src_port;
+               break;
+       case 0:
+               filter_info->src_port_mask = 1;
+               break;
+       default:
+               PMD_DRV_LOG(ERR, "invalid src_port mask.");
+               return -EINVAL;
+       }
+
+       switch (filter->proto_mask) {
+       case UINT8_MAX:
+               filter_info->proto_mask = 0;
+               filter_info->proto = filter->proto;
+               break;
+       case 0:
+               filter_info->proto_mask = 1;
+               break;
+       default:
+               PMD_DRV_LOG(ERR, "invalid protocol mask.");
+               return -EINVAL;
+       }
+
+       filter_info->priority = (uint8_t)filter->priority;
+       if (filter->flags & RTE_NTUPLE_FLAGS_TCP_FLAG)
+               filter_info->tcp_flags = filter->tcp_flags;
+       else
+               filter_info->tcp_flags = 0;
+
+       return 0;
+}
+
+static inline struct e1000_5tuple_filter *
+igb_5tuple_filter_lookup_82576(struct e1000_5tuple_filter_list *filter_list,
+                       struct e1000_5tuple_filter_info *key)
+{
+       struct e1000_5tuple_filter *it;
+
+       TAILQ_FOREACH(it, filter_list, entries) {
+               if (memcmp(key, &it->filter_info,
+                       sizeof(struct e1000_5tuple_filter_info)) == 0) {
+                       return it;
+               }
+       }
+       return NULL;
+}
+
+/*
+ * igb_add_5tuple_filter_82576 - add a 5tuple filter
+ *
+ * @param
+ * dev: Pointer to struct rte_eth_dev.
+ * ntuple_filter: ponter to the filter that will be added.
+ *
+ * @return
+ *    - On success, zero.
+ *    - On failure, a negative value.
+ */
+static int
+igb_add_5tuple_filter_82576(struct rte_eth_dev *dev,
+                       struct rte_eth_ntuple_filter *ntuple_filter)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+       struct e1000_5tuple_filter *filter;
+       uint32_t ftqf = E1000_FTQF_VF_BP | E1000_FTQF_MASK;
+       uint32_t spqf, imir, imir_ext = E1000_IMIREXT_SIZE_BP;
+       uint8_t i;
+       int ret;
+
+       filter = rte_zmalloc("e1000_5tuple_filter",
+                       sizeof(struct e1000_5tuple_filter), 0);
+       if (filter == NULL)
+               return -ENOMEM;
+
+       ret = ntuple_filter_to_5tuple_82576(ntuple_filter,
+                                           &filter->filter_info);
+       if (ret < 0) {
+               rte_free(filter);
+               return ret;
+       }
+
+       if (igb_5tuple_filter_lookup_82576(&filter_info->fivetuple_list,
+                                        &filter->filter_info) != NULL) {
+               PMD_DRV_LOG(ERR, "filter exists.");
+               rte_free(filter);
+               return -EEXIST;
+       }
+       filter->queue = ntuple_filter->queue;
+
+       /*
+        * look for an unused 5tuple filter index,
+        * and insert the filter to list.
+        */
+       for (i = 0; i < E1000_MAX_FTQF_FILTERS; i++) {
+               if (!(filter_info->fivetuple_mask & (1 << i))) {
+                       filter_info->fivetuple_mask |= 1 << i;
+                       filter->index = i;
+                       TAILQ_INSERT_TAIL(&filter_info->fivetuple_list,
+                                         filter,
+                                         entries);
+                       break;
+               }
+       }
+       if (i >= E1000_MAX_FTQF_FILTERS) {
+               PMD_DRV_LOG(ERR, "5tuple filters are full.");
+               rte_free(filter);
+               return -ENOSYS;
+       }
+
+       ftqf |= filter->filter_info.proto & E1000_FTQF_PROTOCOL_MASK;
+       if (filter->filter_info.src_ip_mask == 0) /* 0b means compare. */
+               ftqf &= ~E1000_FTQF_MASK_SOURCE_ADDR_BP;
+       if (filter->filter_info.dst_ip_mask == 0)
+               ftqf &= ~E1000_FTQF_MASK_DEST_ADDR_BP;
+       if (filter->filter_info.src_port_mask == 0)
+               ftqf &= ~E1000_FTQF_MASK_SOURCE_PORT_BP;
+       if (filter->filter_info.proto_mask == 0)
+               ftqf &= ~E1000_FTQF_MASK_PROTO_BP;
+       ftqf |= (filter->queue << E1000_FTQF_QUEUE_SHIFT) &
+               E1000_FTQF_QUEUE_MASK;
+       ftqf |= E1000_FTQF_QUEUE_ENABLE;
+       E1000_WRITE_REG(hw, E1000_FTQF(i), ftqf);
+       E1000_WRITE_REG(hw, E1000_DAQF(i), filter->filter_info.dst_ip);
+       E1000_WRITE_REG(hw, E1000_SAQF(i), filter->filter_info.src_ip);
+
+       spqf = filter->filter_info.src_port & E1000_SPQF_SRCPORT;
+       E1000_WRITE_REG(hw, E1000_SPQF(i), spqf);
+
+       imir = (uint32_t)(filter->filter_info.dst_port & E1000_IMIR_DSTPORT);
+       if (filter->filter_info.dst_port_mask == 1) /* 1b means not compare. */
+               imir |= E1000_IMIR_PORT_BP;
+       else
+               imir &= ~E1000_IMIR_PORT_BP;
+       imir |= filter->filter_info.priority << E1000_IMIR_PRIORITY_SHIFT;
+
+       /* tcp flags bits setting. */
+       if (filter->filter_info.tcp_flags & TCP_FLAG_ALL) {
+               if (filter->filter_info.tcp_flags & TCP_URG_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_URG;
+               if (filter->filter_info.tcp_flags & TCP_ACK_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_ACK;
+               if (filter->filter_info.tcp_flags & TCP_PSH_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_PSH;
+               if (filter->filter_info.tcp_flags & TCP_RST_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_RST;
+               if (filter->filter_info.tcp_flags & TCP_SYN_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_SYN;
+               if (filter->filter_info.tcp_flags & TCP_FIN_FLAG)
+                       imir_ext |= E1000_IMIREXT_CTRL_FIN;
+       } else
+               imir_ext |= E1000_IMIREXT_CTRL_BP;
+       E1000_WRITE_REG(hw, E1000_IMIR(i), imir);
+       E1000_WRITE_REG(hw, E1000_IMIREXT(i), imir_ext);
+       return 0;
+}
+
+/*
+ * igb_remove_5tuple_filter_82576 - remove a 5tuple filter
+ *
+ * @param
+ * dev: Pointer to struct rte_eth_dev.
+ * ntuple_filter: ponter to the filter that will be removed.
+ *
+ * @return
+ *    - On success, zero.
+ *    - On failure, a negative value.
+ */
+static int
+igb_remove_5tuple_filter_82576(struct rte_eth_dev *dev,
+                               struct rte_eth_ntuple_filter *ntuple_filter)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+       struct e1000_5tuple_filter_info filter_5tuple;
+       struct e1000_5tuple_filter *filter;
+       int ret;
+
+       memset(&filter_5tuple, 0, sizeof(struct e1000_5tuple_filter_info));
+       ret = ntuple_filter_to_5tuple_82576(ntuple_filter,
+                                           &filter_5tuple);
+       if (ret < 0)
+               return ret;
+
+       filter = igb_5tuple_filter_lookup_82576(&filter_info->fivetuple_list,
+                                        &filter_5tuple);
+       if (filter == NULL) {
+               PMD_DRV_LOG(ERR, "filter doesn't exist.");
+               return -ENOENT;
+       }
+
+       filter_info->fivetuple_mask &= ~(1 << filter->index);
+       TAILQ_REMOVE(&filter_info->fivetuple_list, filter, entries);
+       rte_free(filter);
+
+       E1000_WRITE_REG(hw, E1000_FTQF(filter->index),
+                       E1000_FTQF_VF_BP | E1000_FTQF_MASK);
+       E1000_WRITE_REG(hw, E1000_DAQF(filter->index), 0);
+       E1000_WRITE_REG(hw, E1000_SAQF(filter->index), 0);
+       E1000_WRITE_REG(hw, E1000_SPQF(filter->index), 0);
+       E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
+       E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
+       return 0;
+}
+
+static int
+eth_igb_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
+{
+       uint32_t rctl;
+       struct e1000_hw *hw;
+       struct rte_eth_dev_info dev_info;
+       uint32_t frame_size = mtu + (ETHER_HDR_LEN + ETHER_CRC_LEN +
+                                    VLAN_TAG_SIZE);
+
+       hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+#ifdef RTE_LIBRTE_82571_SUPPORT
+       /* XXX: not bigger than max_rx_pktlen */
+       if (hw->mac.type == e1000_82571)
+               return -ENOTSUP;
+#endif
+       eth_igb_infos_get(dev, &dev_info);
+
+       /* check that mtu is within the allowed range */
+       if ((mtu < ETHER_MIN_MTU) ||
+           (frame_size > dev_info.max_rx_pktlen))
+               return -EINVAL;
+
+       /* refuse mtu that requires the support of scattered packets when this
+        * feature has not been enabled before. */
+       if (!dev->data->scattered_rx &&
+           frame_size > dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM)
+               return -EINVAL;
+
+       rctl = E1000_READ_REG(hw, E1000_RCTL);
+
+       /* switch to jumbo mode if needed */
+       if (frame_size > ETHER_MAX_LEN) {
+               dev->data->dev_conf.rxmode.jumbo_frame = 1;
+               rctl |= E1000_RCTL_LPE;
+       } else {
+               dev->data->dev_conf.rxmode.jumbo_frame = 0;
+               rctl &= ~E1000_RCTL_LPE;
+       }
+       E1000_WRITE_REG(hw, E1000_RCTL, rctl);
+
+       /* update max frame size */
+       dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
+
+       E1000_WRITE_REG(hw, E1000_RLPML,
+                       dev->data->dev_conf.rxmode.max_rx_pkt_len);
+
+       return 0;
+}
+
+/*
+ * igb_add_del_ntuple_filter - add or delete a ntuple filter
+ *
+ * @param
+ * dev: Pointer to struct rte_eth_dev.
+ * ntuple_filter: Pointer to struct rte_eth_ntuple_filter
+ * add: if true, add filter, if false, remove filter
+ *
+ * @return
+ *    - On success, zero.
+ *    - On failure, a negative value.
+ */
+static int
+igb_add_del_ntuple_filter(struct rte_eth_dev *dev,
+                       struct rte_eth_ntuple_filter *ntuple_filter,
+                       bool add)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       int ret;
+
+       switch (ntuple_filter->flags) {
+       case RTE_5TUPLE_FLAGS:
+       case (RTE_5TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
+               if (hw->mac.type != e1000_82576)
+                       return -ENOTSUP;
+               if (add)
+                       ret = igb_add_5tuple_filter_82576(dev,
+                                                         ntuple_filter);
+               else
+                       ret = igb_remove_5tuple_filter_82576(dev,
+                                                            ntuple_filter);
+               break;
+       case RTE_2TUPLE_FLAGS:
+       case (RTE_2TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
+               if (hw->mac.type != e1000_82580 && hw->mac.type != e1000_i350)
+                       return -ENOTSUP;
+               if (add)
+                       ret = igb_add_2tuple_filter(dev, ntuple_filter);
+               else
+                       ret = igb_remove_2tuple_filter(dev, ntuple_filter);
+               break;
+       default:
+               ret = -EINVAL;
+               break;
+       }
+
+       return ret;
+}
+
+/*
+ * igb_get_ntuple_filter - get a ntuple filter
+ *
+ * @param
+ * dev: Pointer to struct rte_eth_dev.
+ * ntuple_filter: Pointer to struct rte_eth_ntuple_filter
+ *
+ * @return
+ *    - On success, zero.
+ *    - On failure, a negative value.
+ */
+static int
+igb_get_ntuple_filter(struct rte_eth_dev *dev,
+                       struct rte_eth_ntuple_filter *ntuple_filter)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+       struct e1000_5tuple_filter_info filter_5tuple;
+       struct e1000_2tuple_filter_info filter_2tuple;
+       struct e1000_5tuple_filter *p_5tuple_filter;
+       struct e1000_2tuple_filter *p_2tuple_filter;
+       int ret;
+
+       switch (ntuple_filter->flags) {
+       case RTE_5TUPLE_FLAGS:
+       case (RTE_5TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
+               if (hw->mac.type != e1000_82576)
+                       return -ENOTSUP;
+               memset(&filter_5tuple,
+                       0,
+                       sizeof(struct e1000_5tuple_filter_info));
+               ret = ntuple_filter_to_5tuple_82576(ntuple_filter,
+                                                   &filter_5tuple);
+               if (ret < 0)
+                       return ret;
+               p_5tuple_filter = igb_5tuple_filter_lookup_82576(
+                                       &filter_info->fivetuple_list,
+                                       &filter_5tuple);
+               if (p_5tuple_filter == NULL) {
+                       PMD_DRV_LOG(ERR, "filter doesn't exist.");
+                       return -ENOENT;
+               }
+               ntuple_filter->queue = p_5tuple_filter->queue;
+               break;
+       case RTE_2TUPLE_FLAGS:
+       case (RTE_2TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
+               if (hw->mac.type != e1000_82580 && hw->mac.type != e1000_i350)
+                       return -ENOTSUP;
+               memset(&filter_2tuple,
+                       0,
+                       sizeof(struct e1000_2tuple_filter_info));
+               ret = ntuple_filter_to_2tuple(ntuple_filter, &filter_2tuple);
+               if (ret < 0)
+                       return ret;
+               p_2tuple_filter = igb_2tuple_filter_lookup(
+                                       &filter_info->twotuple_list,
+                                       &filter_2tuple);
+               if (p_2tuple_filter == NULL) {
+                       PMD_DRV_LOG(ERR, "filter doesn't exist.");
+                       return -ENOENT;
+               }
+               ntuple_filter->queue = p_2tuple_filter->queue;
+               break;
+       default:
+               ret = -EINVAL;
+               break;
+       }
+
+       return 0;
+}
+
+/*
+ * igb_ntuple_filter_handle - Handle operations for ntuple filter.
+ * @dev: pointer to rte_eth_dev structure
+ * @filter_op:operation will be taken.
+ * @arg: a pointer to specific structure corresponding to the filter_op
+ */
+static int
+igb_ntuple_filter_handle(struct rte_eth_dev *dev,
+                               enum rte_filter_op filter_op,
+                               void *arg)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       int ret;
+
+       MAC_TYPE_FILTER_SUP(hw->mac.type);
+
+       if (filter_op == RTE_ETH_FILTER_NOP)
+               return 0;
+
+       if (arg == NULL) {
+               PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u.",
+                           filter_op);
+               return -EINVAL;
+       }
+
+       switch (filter_op) {
+       case RTE_ETH_FILTER_ADD:
+               ret = igb_add_del_ntuple_filter(dev,
+                       (struct rte_eth_ntuple_filter *)arg,
+                       TRUE);
+               break;
+       case RTE_ETH_FILTER_DELETE:
+               ret = igb_add_del_ntuple_filter(dev,
+                       (struct rte_eth_ntuple_filter *)arg,
+                       FALSE);
+               break;
+       case RTE_ETH_FILTER_GET:
+               ret = igb_get_ntuple_filter(dev,
+                       (struct rte_eth_ntuple_filter *)arg);
+               break;
+       default:
+               PMD_DRV_LOG(ERR, "unsupported operation %u.", filter_op);
+               ret = -EINVAL;
+               break;
+       }
+       return ret;
+}
+
+static inline int
+igb_ethertype_filter_lookup(struct e1000_filter_info *filter_info,
+                       uint16_t ethertype)
+{
+       int i;
+
+       for (i = 0; i < E1000_MAX_ETQF_FILTERS; i++) {
+               if (filter_info->ethertype_filters[i] == ethertype &&
+                   (filter_info->ethertype_mask & (1 << i)))
+                       return i;
+       }
+       return -1;
+}
+
+static inline int
+igb_ethertype_filter_insert(struct e1000_filter_info *filter_info,
+                       uint16_t ethertype)
+{
+       int i;
+
+       for (i = 0; i < E1000_MAX_ETQF_FILTERS; i++) {
+               if (!(filter_info->ethertype_mask & (1 << i))) {
+                       filter_info->ethertype_mask |= 1 << i;
+                       filter_info->ethertype_filters[i] = ethertype;
+                       return i;
+               }
+       }
+       return -1;
+}
+
+static inline int
+igb_ethertype_filter_remove(struct e1000_filter_info *filter_info,
+                       uint8_t idx)
+{
+       if (idx >= E1000_MAX_ETQF_FILTERS)
+               return -1;
+       filter_info->ethertype_mask &= ~(1 << idx);
+       filter_info->ethertype_filters[idx] = 0;
+       return idx;
+}
+
+
+static int
+igb_add_del_ethertype_filter(struct rte_eth_dev *dev,
+                       struct rte_eth_ethertype_filter *filter,
+                       bool add)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+       uint32_t etqf = 0;
+       int ret;
+
+       if (filter->ether_type == ETHER_TYPE_IPv4 ||
+               filter->ether_type == ETHER_TYPE_IPv6) {
+               PMD_DRV_LOG(ERR, "unsupported ether_type(0x%04x) in"
+                       " ethertype filter.", filter->ether_type);
+               return -EINVAL;
+       }
+
+       if (filter->flags & RTE_ETHTYPE_FLAGS_MAC) {
+               PMD_DRV_LOG(ERR, "mac compare is unsupported.");
+               return -EINVAL;
+       }
+       if (filter->flags & RTE_ETHTYPE_FLAGS_DROP) {
+               PMD_DRV_LOG(ERR, "drop option is unsupported.");
+               return -EINVAL;
+       }
+
+       ret = igb_ethertype_filter_lookup(filter_info, filter->ether_type);
+       if (ret >= 0 && add) {
+               PMD_DRV_LOG(ERR, "ethertype (0x%04x) filter exists.",
+                           filter->ether_type);
+               return -EEXIST;
+       }
+       if (ret < 0 && !add) {
+               PMD_DRV_LOG(ERR, "ethertype (0x%04x) filter doesn't exist.",
+                           filter->ether_type);
+               return -ENOENT;
+       }
+
+       if (add) {
+               ret = igb_ethertype_filter_insert(filter_info,
+                       filter->ether_type);
+               if (ret < 0) {
+                       PMD_DRV_LOG(ERR, "ethertype filters are full.");
+                       return -ENOSYS;
+               }
+
+               etqf |= E1000_ETQF_FILTER_ENABLE | E1000_ETQF_QUEUE_ENABLE;
+               etqf |= (uint32_t)(filter->ether_type & E1000_ETQF_ETHERTYPE);
+               etqf |= filter->queue << E1000_ETQF_QUEUE_SHIFT;
+       } else {
+               ret = igb_ethertype_filter_remove(filter_info, (uint8_t)ret);
+               if (ret < 0)
+                       return -ENOSYS;
+       }
+       E1000_WRITE_REG(hw, E1000_ETQF(ret), etqf);
+       E1000_WRITE_FLUSH(hw);
+
+       return 0;
+}
+
+static int
+igb_get_ethertype_filter(struct rte_eth_dev *dev,
+                       struct rte_eth_ethertype_filter *filter)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_filter_info *filter_info =
+               E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
+       uint32_t etqf;
+       int ret;
+
+       ret = igb_ethertype_filter_lookup(filter_info, filter->ether_type);
+       if (ret < 0) {
+               PMD_DRV_LOG(ERR, "ethertype (0x%04x) filter doesn't exist.",
+                           filter->ether_type);
+               return -ENOENT;
+       }
+
+       etqf = E1000_READ_REG(hw, E1000_ETQF(ret));
+       if (etqf & E1000_ETQF_FILTER_ENABLE) {
+               filter->ether_type = etqf & E1000_ETQF_ETHERTYPE;
+               filter->flags = 0;
+               filter->queue = (etqf & E1000_ETQF_QUEUE) >>
+                               E1000_ETQF_QUEUE_SHIFT;
+               return 0;
+       }
+
+       return -ENOENT;
+}
+
+/*
+ * igb_ethertype_filter_handle - Handle operations for ethertype filter.
+ * @dev: pointer to rte_eth_dev structure
+ * @filter_op:operation will be taken.
+ * @arg: a pointer to specific structure corresponding to the filter_op
+ */
+static int
+igb_ethertype_filter_handle(struct rte_eth_dev *dev,
+                               enum rte_filter_op filter_op,
+                               void *arg)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       int ret;
+
+       MAC_TYPE_FILTER_SUP(hw->mac.type);
+
+       if (filter_op == RTE_ETH_FILTER_NOP)
+               return 0;
+
+       if (arg == NULL) {
+               PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u.",
+                           filter_op);
+               return -EINVAL;
+       }
+
+       switch (filter_op) {
+       case RTE_ETH_FILTER_ADD:
+               ret = igb_add_del_ethertype_filter(dev,
+                       (struct rte_eth_ethertype_filter *)arg,
+                       TRUE);
+               break;
+       case RTE_ETH_FILTER_DELETE:
+               ret = igb_add_del_ethertype_filter(dev,
+                       (struct rte_eth_ethertype_filter *)arg,
+                       FALSE);
+               break;
+       case RTE_ETH_FILTER_GET:
+               ret = igb_get_ethertype_filter(dev,
+                       (struct rte_eth_ethertype_filter *)arg);
+               break;
+       default:
+               PMD_DRV_LOG(ERR, "unsupported operation %u.", filter_op);
+               ret = -EINVAL;
+               break;
+       }
+       return ret;
+}
+
+static int
+eth_igb_filter_ctrl(struct rte_eth_dev *dev,
+                    enum rte_filter_type filter_type,
+                    enum rte_filter_op filter_op,
+                    void *arg)
+{
+       int ret = -EINVAL;
+
+       switch (filter_type) {
+       case RTE_ETH_FILTER_NTUPLE:
+               ret = igb_ntuple_filter_handle(dev, filter_op, arg);
+               break;
+       case RTE_ETH_FILTER_ETHERTYPE:
+               ret = igb_ethertype_filter_handle(dev, filter_op, arg);
+               break;
+       case RTE_ETH_FILTER_SYN:
+               ret = eth_igb_syn_filter_handle(dev, filter_op, arg);
+               break;
+       case RTE_ETH_FILTER_FLEXIBLE:
+               ret = eth_igb_flex_filter_handle(dev, filter_op, arg);
+               break;
+       default:
+               PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
+                                                       filter_type);
+               break;
+       }
+
+       return ret;
+}
+
+static int
+eth_igb_set_mc_addr_list(struct rte_eth_dev *dev,
+                        struct ether_addr *mc_addr_set,
+                        uint32_t nb_mc_addr)
+{
+       struct e1000_hw *hw;
+
+       hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       e1000_update_mc_addr_list(hw, (u8 *)mc_addr_set, nb_mc_addr);
+       return 0;
+}
+
+static uint64_t
+igb_read_systime_cyclecounter(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint64_t systime_cycles;
+
+       switch (hw->mac.type) {
+       case e1000_i210:
+       case e1000_i211:
+               /*
+                * Need to read System Time Residue Register to be able
+                * to read the other two registers.
+                */
+               E1000_READ_REG(hw, E1000_SYSTIMR);
+               /* SYSTIMEL stores ns and SYSTIMEH stores seconds. */
+               systime_cycles = (uint64_t)E1000_READ_REG(hw, E1000_SYSTIML);
+               systime_cycles += (uint64_t)E1000_READ_REG(hw, E1000_SYSTIMH)
+                               * NSEC_PER_SEC;
+               break;
+       case e1000_82580:
+       case e1000_i350:
+       case e1000_i354:
+               /*
+                * Need to read System Time Residue Register to be able
+                * to read the other two registers.
+                */
+               E1000_READ_REG(hw, E1000_SYSTIMR);
+               systime_cycles = (uint64_t)E1000_READ_REG(hw, E1000_SYSTIML);
+               /* Only the 8 LSB are valid. */
+               systime_cycles |= (uint64_t)(E1000_READ_REG(hw, E1000_SYSTIMH)
+                               & 0xff) << 32;
+               break;
+       default:
+               systime_cycles = (uint64_t)E1000_READ_REG(hw, E1000_SYSTIML);
+               systime_cycles |= (uint64_t)E1000_READ_REG(hw, E1000_SYSTIMH)
+                               << 32;
+               break;
+       }
+
+       return systime_cycles;
+}
+
+static uint64_t
+igb_read_rx_tstamp_cyclecounter(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint64_t rx_tstamp_cycles;
+
+       switch (hw->mac.type) {
+       case e1000_i210:
+       case e1000_i211:
+               /* RXSTMPL stores ns and RXSTMPH stores seconds. */
+               rx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPL);
+               rx_tstamp_cycles += (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPH)
+                               * NSEC_PER_SEC;
+               break;
+       case e1000_82580:
+       case e1000_i350:
+       case e1000_i354:
+               rx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPL);
+               /* Only the 8 LSB are valid. */
+               rx_tstamp_cycles |= (uint64_t)(E1000_READ_REG(hw, E1000_RXSTMPH)
+                               & 0xff) << 32;
+               break;
+       default:
+               rx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPL);
+               rx_tstamp_cycles |= (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPH)
+                               << 32;
+               break;
+       }
+
+       return rx_tstamp_cycles;
+}
+
+static uint64_t
+igb_read_tx_tstamp_cyclecounter(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint64_t tx_tstamp_cycles;
+
+       switch (hw->mac.type) {
+       case e1000_i210:
+       case e1000_i211:
+               /* RXSTMPL stores ns and RXSTMPH stores seconds. */
+               tx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPL);
+               tx_tstamp_cycles += (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPH)
+                               * NSEC_PER_SEC;
+               break;
+       case e1000_82580:
+       case e1000_i350:
+       case e1000_i354:
+               tx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPL);
+               /* Only the 8 LSB are valid. */
+               tx_tstamp_cycles |= (uint64_t)(E1000_READ_REG(hw, E1000_TXSTMPH)
+                               & 0xff) << 32;
+               break;
+       default:
+               tx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPL);
+               tx_tstamp_cycles |= (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPH)
+                               << 32;
+               break;
+       }
+
+       return tx_tstamp_cycles;
+}
+
+static void
+igb_start_timecounters(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_adapter *adapter =
+               (struct e1000_adapter *)dev->data->dev_private;
+       uint32_t incval = 1;
+       uint32_t shift = 0;
+       uint64_t mask = E1000_CYCLECOUNTER_MASK;
+
+       switch (hw->mac.type) {
+       case e1000_82580:
+       case e1000_i350:
+       case e1000_i354:
+               /* 32 LSB bits + 8 MSB bits = 40 bits */
+               mask = (1ULL << 40) - 1;
+               /* fall-through */
+       case e1000_i210:
+       case e1000_i211:
+               /*
+                * Start incrementing the register
+                * used to timestamp PTP packets.
+                */
+               E1000_WRITE_REG(hw, E1000_TIMINCA, incval);
+               break;
+       case e1000_82576:
+               incval = E1000_INCVALUE_82576;
+               shift = IGB_82576_TSYNC_SHIFT;
+               E1000_WRITE_REG(hw, E1000_TIMINCA,
+                               E1000_INCPERIOD_82576 | incval);
+               break;
+       default:
+               /* Not supported */
+               return;
+       }
+
+       memset(&adapter->systime_tc, 0, sizeof(struct rte_timecounter));
+       memset(&adapter->rx_tstamp_tc, 0, sizeof(struct rte_timecounter));
+       memset(&adapter->tx_tstamp_tc, 0, sizeof(struct rte_timecounter));
+
+       adapter->systime_tc.cc_mask = mask;
+       adapter->systime_tc.cc_shift = shift;
+       adapter->systime_tc.nsec_mask = (1ULL << shift) - 1;
+
+       adapter->rx_tstamp_tc.cc_mask = mask;
+       adapter->rx_tstamp_tc.cc_shift = shift;
+       adapter->rx_tstamp_tc.nsec_mask = (1ULL << shift) - 1;
+
+       adapter->tx_tstamp_tc.cc_mask = mask;
+       adapter->tx_tstamp_tc.cc_shift = shift;
+       adapter->tx_tstamp_tc.nsec_mask = (1ULL << shift) - 1;
+}
+
+static int
+igb_timesync_adjust_time(struct rte_eth_dev *dev, int64_t delta)
+{
+       struct e1000_adapter *adapter =
+                       (struct e1000_adapter *)dev->data->dev_private;
+
+       adapter->systime_tc.nsec += delta;
+       adapter->rx_tstamp_tc.nsec += delta;
+       adapter->tx_tstamp_tc.nsec += delta;
+
+       return 0;
+}
+
+static int
+igb_timesync_write_time(struct rte_eth_dev *dev, const struct timespec *ts)
+{
+       uint64_t ns;
+       struct e1000_adapter *adapter =
+                       (struct e1000_adapter *)dev->data->dev_private;
+
+       ns = rte_timespec_to_ns(ts);
+
+       /* Set the timecounters to a new value. */
+       adapter->systime_tc.nsec = ns;
+       adapter->rx_tstamp_tc.nsec = ns;
+       adapter->tx_tstamp_tc.nsec = ns;
+
+       return 0;
+}
+
+static int
+igb_timesync_read_time(struct rte_eth_dev *dev, struct timespec *ts)
+{
+       uint64_t ns, systime_cycles;
+       struct e1000_adapter *adapter =
+                       (struct e1000_adapter *)dev->data->dev_private;
+
+       systime_cycles = igb_read_systime_cyclecounter(dev);
+       ns = rte_timecounter_update(&adapter->systime_tc, systime_cycles);
+       *ts = rte_ns_to_timespec(ns);
+
+       return 0;
+}
+
+static int
+igb_timesync_enable(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t tsync_ctl;
+       uint32_t tsauxc;
+
+       /* Stop the timesync system time. */
+       E1000_WRITE_REG(hw, E1000_TIMINCA, 0x0);
+       /* Reset the timesync system time value. */
+       switch (hw->mac.type) {
+       case e1000_82580:
+       case e1000_i350:
+       case e1000_i354:
+       case e1000_i210:
+       case e1000_i211:
+               E1000_WRITE_REG(hw, E1000_SYSTIMR, 0x0);
+               /* fall-through */
+       case e1000_82576:
+               E1000_WRITE_REG(hw, E1000_SYSTIML, 0x0);
+               E1000_WRITE_REG(hw, E1000_SYSTIMH, 0x0);
+               break;
+       default:
+               /* Not supported. */
+               return -ENOTSUP;
+       }
+
+       /* Enable system time for it isn't on by default. */
+       tsauxc = E1000_READ_REG(hw, E1000_TSAUXC);
+       tsauxc &= ~E1000_TSAUXC_DISABLE_SYSTIME;
+       E1000_WRITE_REG(hw, E1000_TSAUXC, tsauxc);
+
+       igb_start_timecounters(dev);
+
+       /* Enable L2 filtering of IEEE1588/802.1AS Ethernet frame types. */
+       E1000_WRITE_REG(hw, E1000_ETQF(E1000_ETQF_FILTER_1588),
+                       (ETHER_TYPE_1588 |
+                        E1000_ETQF_FILTER_ENABLE |
+                        E1000_ETQF_1588));
+
+       /* Enable timestamping of received PTP packets. */
+       tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCRXCTL);
+       tsync_ctl |= E1000_TSYNCRXCTL_ENABLED;
+       E1000_WRITE_REG(hw, E1000_TSYNCRXCTL, tsync_ctl);
+
+       /* Enable Timestamping of transmitted PTP packets. */
+       tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCTXCTL);
+       tsync_ctl |= E1000_TSYNCTXCTL_ENABLED;
+       E1000_WRITE_REG(hw, E1000_TSYNCTXCTL, tsync_ctl);
+
+       return 0;
+}
+
+static int
+igb_timesync_disable(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t tsync_ctl;
+
+       /* Disable timestamping of transmitted PTP packets. */
+       tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCTXCTL);
+       tsync_ctl &= ~E1000_TSYNCTXCTL_ENABLED;
+       E1000_WRITE_REG(hw, E1000_TSYNCTXCTL, tsync_ctl);
+
+       /* Disable timestamping of received PTP packets. */
+       tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCRXCTL);
+       tsync_ctl &= ~E1000_TSYNCRXCTL_ENABLED;
+       E1000_WRITE_REG(hw, E1000_TSYNCRXCTL, tsync_ctl);
+
+       /* Disable L2 filtering of IEEE1588/802.1AS Ethernet frame types. */
+       E1000_WRITE_REG(hw, E1000_ETQF(E1000_ETQF_FILTER_1588), 0);
+
+       /* Stop incrementating the System Time registers. */
+       E1000_WRITE_REG(hw, E1000_TIMINCA, 0);
+
+       return 0;
+}
+
+static int
+igb_timesync_read_rx_timestamp(struct rte_eth_dev *dev,
+                              struct timespec *timestamp,
+                              uint32_t flags __rte_unused)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_adapter *adapter =
+                       (struct e1000_adapter *)dev->data->dev_private;
+       uint32_t tsync_rxctl;
+       uint64_t rx_tstamp_cycles;
+       uint64_t ns;
+
+       tsync_rxctl = E1000_READ_REG(hw, E1000_TSYNCRXCTL);
+       if ((tsync_rxctl & E1000_TSYNCRXCTL_VALID) == 0)
+               return -EINVAL;
+
+       rx_tstamp_cycles = igb_read_rx_tstamp_cyclecounter(dev);
+       ns = rte_timecounter_update(&adapter->rx_tstamp_tc, rx_tstamp_cycles);
+       *timestamp = rte_ns_to_timespec(ns);
+
+       return  0;
+}
+
+static int
+igb_timesync_read_tx_timestamp(struct rte_eth_dev *dev,
+                              struct timespec *timestamp)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_adapter *adapter =
+                       (struct e1000_adapter *)dev->data->dev_private;
+       uint32_t tsync_txctl;
+       uint64_t tx_tstamp_cycles;
+       uint64_t ns;
+
+       tsync_txctl = E1000_READ_REG(hw, E1000_TSYNCTXCTL);
+       if ((tsync_txctl & E1000_TSYNCTXCTL_VALID) == 0)
+               return -EINVAL;
+
+       tx_tstamp_cycles = igb_read_tx_tstamp_cyclecounter(dev);
+       ns = rte_timecounter_update(&adapter->tx_tstamp_tc, tx_tstamp_cycles);
+       *timestamp = rte_ns_to_timespec(ns);
+
+       return  0;
+}
+
+static int
+eth_igb_get_reg_length(struct rte_eth_dev *dev __rte_unused)
+{
+       int count = 0;
+       int g_ind = 0;
+       const struct reg_info *reg_group;
+
+       while ((reg_group = igb_regs[g_ind++]))
+               count += igb_reg_group_count(reg_group);
+
+       return count;
+}
+
+static int
+igbvf_get_reg_length(struct rte_eth_dev *dev __rte_unused)
+{
+       int count = 0;
+       int g_ind = 0;
+       const struct reg_info *reg_group;
+
+       while ((reg_group = igbvf_regs[g_ind++]))
+               count += igb_reg_group_count(reg_group);
+
+       return count;
+}
+
+static int
+eth_igb_get_regs(struct rte_eth_dev *dev,
+       struct rte_dev_reg_info *regs)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t *data = regs->data;
+       int g_ind = 0;
+       int count = 0;
+       const struct reg_info *reg_group;
+
+       /* Support only full register dump */
+       if ((regs->length == 0) ||
+           (regs->length == (uint32_t)eth_igb_get_reg_length(dev))) {
+               regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
+                       hw->device_id;
+               while ((reg_group = igb_regs[g_ind++]))
+                       count += igb_read_regs_group(dev, &data[count],
+                                                       reg_group);
+               return 0;
+       }
+
+       return -ENOTSUP;
+}
+
+static int
+igbvf_get_regs(struct rte_eth_dev *dev,
+       struct rte_dev_reg_info *regs)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t *data = regs->data;
+       int g_ind = 0;
+       int count = 0;
+       const struct reg_info *reg_group;
+
+       /* Support only full register dump */
+       if ((regs->length == 0) ||
+           (regs->length == (uint32_t)igbvf_get_reg_length(dev))) {
+               regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
+                       hw->device_id;
+               while ((reg_group = igbvf_regs[g_ind++]))
+                       count += igb_read_regs_group(dev, &data[count],
+                                                       reg_group);
+               return 0;
+       }
+
+       return -ENOTSUP;
+}
+
+static int
+eth_igb_get_eeprom_length(struct rte_eth_dev *dev)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+
+       /* Return unit is byte count */
+       return hw->nvm.word_size * 2;
+}
+
+static int
+eth_igb_get_eeprom(struct rte_eth_dev *dev,
+       struct rte_dev_eeprom_info *in_eeprom)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_nvm_info *nvm = &hw->nvm;
+       uint16_t *data = in_eeprom->data;
+       int first, length;
+
+       first = in_eeprom->offset >> 1;
+       length = in_eeprom->length >> 1;
+       if ((first >= hw->nvm.word_size) ||
+           ((first + length) >= hw->nvm.word_size))
+               return -EINVAL;
+
+       in_eeprom->magic = hw->vendor_id |
+               ((uint32_t)hw->device_id << 16);
+
+       if ((nvm->ops.read) == NULL)
+               return -ENOTSUP;
+
+       return nvm->ops.read(hw, first, length, data);
+}
+
+static int
+eth_igb_set_eeprom(struct rte_eth_dev *dev,
+       struct rte_dev_eeprom_info *in_eeprom)
+{
+       struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       struct e1000_nvm_info *nvm = &hw->nvm;
+       uint16_t *data = in_eeprom->data;
+       int first, length;
+
+       first = in_eeprom->offset >> 1;
+       length = in_eeprom->length >> 1;
+       if ((first >= hw->nvm.word_size) ||
+           ((first + length) >= hw->nvm.word_size))
+               return -EINVAL;
+
+       in_eeprom->magic = (uint32_t)hw->vendor_id |
+               ((uint32_t)hw->device_id << 16);
+
+       if ((nvm->ops.write) == NULL)
+               return -ENOTSUP;
+       return nvm->ops.write(hw,  first, length, data);
+}
+
+static struct rte_driver pmd_igb_drv = {
+       .type = PMD_PDEV,
+       .init = rte_igb_pmd_init,
+};
+
+static struct rte_driver pmd_igbvf_drv = {
+       .type = PMD_PDEV,
+       .init = rte_igbvf_pmd_init,
+};
+
+static int
+eth_igb_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t mask = 1 << queue_id;
+
+       E1000_WRITE_REG(hw, E1000_EIMC, mask);
+       E1000_WRITE_FLUSH(hw);
+
+       return 0;
+}
+
+static int
+eth_igb_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
+{
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t mask = 1 << queue_id;
+       uint32_t regval;
+
+       regval = E1000_READ_REG(hw, E1000_EIMS);
+       E1000_WRITE_REG(hw, E1000_EIMS, regval | mask);
+       E1000_WRITE_FLUSH(hw);
+
+       rte_intr_enable(&dev->pci_dev->intr_handle);
+
+       return 0;
+}
+
+static void
+eth_igb_write_ivar(struct e1000_hw *hw, uint8_t  msix_vector,
+                  uint8_t index, uint8_t offset)
+{
+       uint32_t val = E1000_READ_REG_ARRAY(hw, E1000_IVAR0, index);
+
+       /* clear bits */
+       val &= ~((uint32_t)0xFF << offset);
+
+       /* write vector and valid bit */
+       val |= (msix_vector | E1000_IVAR_VALID) << offset;
+
+       E1000_WRITE_REG_ARRAY(hw, E1000_IVAR0, index, val);
+}
+
+static void
+eth_igb_assign_msix_vector(struct e1000_hw *hw, int8_t direction,
+                          uint8_t queue, uint8_t msix_vector)
+{
+       uint32_t tmp = 0;
+
+       if (hw->mac.type == e1000_82575) {
+               if (direction == 0)
+                       tmp = E1000_EICR_RX_QUEUE0 << queue;
+               else if (direction == 1)
+                       tmp = E1000_EICR_TX_QUEUE0 << queue;
+               E1000_WRITE_REG(hw, E1000_MSIXBM(msix_vector), tmp);
+       } else if (hw->mac.type == e1000_82576) {
+               if ((direction == 0) || (direction == 1))
+                       eth_igb_write_ivar(hw, msix_vector, queue & 0x7,
+                                          ((queue & 0x8) << 1) +
+                                          8 * direction);
+       } else if ((hw->mac.type == e1000_82580) ||
+                       (hw->mac.type == e1000_i350) ||
+                       (hw->mac.type == e1000_i354) ||
+                       (hw->mac.type == e1000_i210) ||
+                       (hw->mac.type == e1000_i211)) {
+               if ((direction == 0) || (direction == 1))
+                       eth_igb_write_ivar(hw, msix_vector,
+                                          queue >> 1,
+                                          ((queue & 0x1) << 4) +
+                                          8 * direction);
+       }
+}
+
+/* Sets up the hardware to generate MSI-X interrupts properly
+ * @hw
+ *  board private structure
+ */
+static void
+eth_igb_configure_msix_intr(struct rte_eth_dev *dev)
+{
+       int queue_id;
+       uint32_t tmpval, regval, intr_mask;
+       struct e1000_hw *hw =
+               E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
+       uint32_t vec = E1000_MISC_VEC_ID;
+       uint32_t base = E1000_MISC_VEC_ID;
+       uint32_t misc_shift = 0;
+
+       struct rte_intr_handle *intr_handle = &dev->pci_dev->intr_handle;
+
+       /* won't configure msix register if no mapping is done
+        * between intr vector and event fd
+        */
+       if (!rte_intr_dp_is_en(intr_handle))
+               return;
+
+       if (rte_intr_allow_others(intr_handle)) {
+               vec = base = E1000_RX_VEC_START;
+               misc_shift = 1;
+       }
+
+       /* set interrupt vector for other causes */
+       if (hw->mac.type == e1000_82575) {
+               tmpval = E1000_READ_REG(hw, E1000_CTRL_EXT);
+               /* enable MSI-X PBA support */
+               tmpval |= E1000_CTRL_EXT_PBA_CLR;
+
+               /* Auto-Mask interrupts upon ICR read */
+               tmpval |= E1000_CTRL_EXT_EIAME;
+               tmpval |= E1000_CTRL_EXT_IRCA;
+
+               E1000_WRITE_REG(hw, E1000_CTRL_EXT, tmpval);
+
+               /* enable msix_other interrupt */
+               E1000_WRITE_REG_ARRAY(hw, E1000_MSIXBM(0), 0, E1000_EIMS_OTHER);
+               regval = E1000_READ_REG(hw, E1000_EIAC);
+               E1000_WRITE_REG(hw, E1000_EIAC, regval | E1000_EIMS_OTHER);
+               regval = E1000_READ_REG(hw, E1000_EIAM);
+               E1000_WRITE_REG(hw, E1000_EIMS, regval | E1000_EIMS_OTHER);
+       } else if ((hw->mac.type == e1000_82576) ||
+                       (hw->mac.type == e1000_82580) ||
+                       (hw->mac.type == e1000_i350) ||
+                       (hw->mac.type == e1000_i354) ||
+                       (hw->mac.type == e1000_i210) ||
+                       (hw->mac.type == e1000_i211)) {
+               /* turn on MSI-X capability first */
+               E1000_WRITE_REG(hw, E1000_GPIE, E1000_GPIE_MSIX_MODE |
+                                       E1000_GPIE_PBA | E1000_GPIE_EIAME |
+                                       E1000_GPIE_NSICR);
+               intr_mask = RTE_LEN2MASK(intr_handle->nb_efd, uint32_t) <<
+                       misc_shift;
+               regval = E1000_READ_REG(hw, E1000_EIAC);
+               E1000_WRITE_REG(hw, E1000_EIAC, regval | intr_mask);
+
+               /* enable msix_other interrupt */
+               regval = E1000_READ_REG(hw, E1000_EIMS);
+               E1000_WRITE_REG(hw, E1000_EIMS, regval | intr_mask);
+               tmpval = (dev->data->nb_rx_queues | E1000_IVAR_VALID) << 8;
+               E1000_WRITE_REG(hw, E1000_IVAR_MISC, tmpval);
+       }
+
+       /* use EIAM to auto-mask when MSI-X interrupt
+        * is asserted, this saves a register write for every interrupt
+        */
+       intr_mask = RTE_LEN2MASK(intr_handle->nb_efd, uint32_t) <<
+               misc_shift;
+       regval = E1000_READ_REG(hw, E1000_EIAM);
+       E1000_WRITE_REG(hw, E1000_EIAM, regval | intr_mask);
+
+       for (queue_id = 0; queue_id < dev->data->nb_rx_queues; queue_id++) {
+               eth_igb_assign_msix_vector(hw, 0, queue_id, vec);
+               intr_handle->intr_vec[queue_id] = vec;
+               if (vec < base + intr_handle->nb_efd - 1)
+                       vec++;
+       }
+
+       E1000_WRITE_FLUSH(hw);
+}
+
+PMD_REGISTER_DRIVER(pmd_igb_drv);
+PMD_REGISTER_DRIVER(pmd_igbvf_drv);