drivers/net/e1000/igb_ethdev.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2016 Intel Corporation
   3  */
   4
   5 #include <sys/queue.h>
   6 #include <stdio.h>
   7 #include <errno.h>
   8 #include <stdint.h>
   9 #include <stdarg.h>
  10
  11 #include <rte_string_fns.h>
  12 #include <rte_common.h>
  13 #include <rte_interrupts.h>
  14 #include <rte_byteorder.h>
  15 #include <rte_log.h>
  16 #include <rte_debug.h>
  17 #include <rte_pci.h>
  18 #include <rte_bus_pci.h>
  19 #include <rte_ether.h>
  20 #include <rte_ethdev_driver.h>
  21 #include <rte_ethdev_pci.h>
  22 #include <rte_memory.h>
  23 #include <rte_eal.h>
  24 #include <rte_malloc.h>
  25 #include <rte_dev.h>
  26
  27 #include "e1000_logs.h"
  28 #include "base/e1000_api.h"
  29 #include "e1000_ethdev.h"
  30 #include "igb_regs.h"
  31
  32 /*
  33  * Default values for port configuration
  34  */
  35 #define IGB_DEFAULT_RX_FREE_THRESH  32
  36
  37 #define IGB_DEFAULT_RX_PTHRESH      ((hw->mac.type == e1000_i354) ? 12 : 8)
  38 #define IGB_DEFAULT_RX_HTHRESH      8
  39 #define IGB_DEFAULT_RX_WTHRESH      ((hw->mac.type == e1000_82576) ? 1 : 4)
  40
  41 #define IGB_DEFAULT_TX_PTHRESH      ((hw->mac.type == e1000_i354) ? 20 : 8)
  42 #define IGB_DEFAULT_TX_HTHRESH      1
  43 #define IGB_DEFAULT_TX_WTHRESH      ((hw->mac.type == e1000_82576) ? 1 : 16)
  44
  45 /* Bit shift and mask */
  46 #define IGB_4_BIT_WIDTH  (CHAR_BIT / 2)
  47 #define IGB_4_BIT_MASK   RTE_LEN2MASK(IGB_4_BIT_WIDTH, uint8_t)
  48 #define IGB_8_BIT_WIDTH  CHAR_BIT
  49 #define IGB_8_BIT_MASK   UINT8_MAX
  50
  51 /* Additional timesync values. */
  52 #define E1000_CYCLECOUNTER_MASK      0xffffffffffffffffULL
  53 #define E1000_ETQF_FILTER_1588       3
  54 #define IGB_82576_TSYNC_SHIFT        16
  55 #define E1000_INCPERIOD_82576        (1 << E1000_TIMINCA_16NS_SHIFT)
  56 #define E1000_INCVALUE_82576         (16 << IGB_82576_TSYNC_SHIFT)
  57 #define E1000_TSAUXC_DISABLE_SYSTIME 0x80000000
  58
  59 #define E1000_VTIVAR_MISC                0x01740
  60 #define E1000_VTIVAR_MISC_MASK           0xFF
  61 #define E1000_VTIVAR_VALID               0x80
  62 #define E1000_VTIVAR_MISC_MAILBOX        0
  63 #define E1000_VTIVAR_MISC_INTR_MASK      0x3
  64
  65 /* External VLAN Enable bit mask */
  66 #define E1000_CTRL_EXT_EXT_VLAN      (1 << 26)
  67
  68 /* External VLAN Ether Type bit mask and shift */
  69 #define E1000_VET_VET_EXT            0xFFFF0000
  70 #define E1000_VET_VET_EXT_SHIFT      16
  71
  72 /* MSI-X other interrupt vector */
  73 #define IGB_MSIX_OTHER_INTR_VEC      0
  74
  75 static int  eth_igb_configure(struct rte_eth_dev *dev);
  76 static int  eth_igb_start(struct rte_eth_dev *dev);
  77 static void eth_igb_stop(struct rte_eth_dev *dev);
  78 static int  eth_igb_dev_set_link_up(struct rte_eth_dev *dev);
  79 static int  eth_igb_dev_set_link_down(struct rte_eth_dev *dev);
  80 static void eth_igb_close(struct rte_eth_dev *dev);
  81 static int eth_igb_reset(struct rte_eth_dev *dev);
  82 static int  eth_igb_promiscuous_enable(struct rte_eth_dev *dev);
  83 static int  eth_igb_promiscuous_disable(struct rte_eth_dev *dev);
  84 static int  eth_igb_allmulticast_enable(struct rte_eth_dev *dev);
  85 static int  eth_igb_allmulticast_disable(struct rte_eth_dev *dev);
  86 static int  eth_igb_link_update(struct rte_eth_dev *dev,
  87                                 int wait_to_complete);
  88 static int eth_igb_stats_get(struct rte_eth_dev *dev,
  89                                 struct rte_eth_stats *rte_stats);
  90 static int eth_igb_xstats_get(struct rte_eth_dev *dev,
  91                               struct rte_eth_xstat *xstats, unsigned n);
  92 static int eth_igb_xstats_get_by_id(struct rte_eth_dev *dev,
  93                 const uint64_t *ids,
  94                 uint64_t *values, unsigned int n);
  95 static int eth_igb_xstats_get_names(struct rte_eth_dev *dev,
  96                                     struct rte_eth_xstat_name *xstats_names,
  97                                     unsigned int size);
  98 static int eth_igb_xstats_get_names_by_id(struct rte_eth_dev *dev,
  99                 struct rte_eth_xstat_name *xstats_names, const uint64_t *ids,
 100                 unsigned int limit);
 101 static int eth_igb_stats_reset(struct rte_eth_dev *dev);
 102 static int eth_igb_xstats_reset(struct rte_eth_dev *dev);
 103 static int eth_igb_fw_version_get(struct rte_eth_dev *dev,
 104                                    char *fw_version, size_t fw_size);
 105 static int eth_igb_infos_get(struct rte_eth_dev *dev,
 106                               struct rte_eth_dev_info *dev_info);
 107 static const uint32_t *eth_igb_supported_ptypes_get(struct rte_eth_dev *dev);
 108 static int eth_igbvf_infos_get(struct rte_eth_dev *dev,
 109                                 struct rte_eth_dev_info *dev_info);
 110 static int  eth_igb_flow_ctrl_get(struct rte_eth_dev *dev,
 111                                 struct rte_eth_fc_conf *fc_conf);
 112 static int  eth_igb_flow_ctrl_set(struct rte_eth_dev *dev,
 113                                 struct rte_eth_fc_conf *fc_conf);
 114 static int eth_igb_lsc_interrupt_setup(struct rte_eth_dev *dev, uint8_t on);
 115 static int eth_igb_rxq_interrupt_setup(struct rte_eth_dev *dev);
 116 static int eth_igb_interrupt_get_status(struct rte_eth_dev *dev);
 117 static int eth_igb_interrupt_action(struct rte_eth_dev *dev,
 118                                     struct rte_intr_handle *handle);
 119 static void eth_igb_interrupt_handler(void *param);
 120 static int  igb_hardware_init(struct e1000_hw *hw);
 121 static void igb_hw_control_acquire(struct e1000_hw *hw);
 122 static void igb_hw_control_release(struct e1000_hw *hw);
 123 static void igb_init_manageability(struct e1000_hw *hw);
 124 static void igb_release_manageability(struct e1000_hw *hw);
 125
 126 static int  eth_igb_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
 127
 128 static int eth_igb_vlan_filter_set(struct rte_eth_dev *dev,
 129                 uint16_t vlan_id, int on);
 130 static int eth_igb_vlan_tpid_set(struct rte_eth_dev *dev,
 131                                  enum rte_vlan_type vlan_type,
 132                                  uint16_t tpid_id);
 133 static int eth_igb_vlan_offload_set(struct rte_eth_dev *dev, int mask);
 134
 135 static void igb_vlan_hw_filter_enable(struct rte_eth_dev *dev);
 136 static void igb_vlan_hw_filter_disable(struct rte_eth_dev *dev);
 137 static void igb_vlan_hw_strip_enable(struct rte_eth_dev *dev);
 138 static void igb_vlan_hw_strip_disable(struct rte_eth_dev *dev);
 139 static void igb_vlan_hw_extend_enable(struct rte_eth_dev *dev);
 140 static void igb_vlan_hw_extend_disable(struct rte_eth_dev *dev);
 141
 142 static int eth_igb_led_on(struct rte_eth_dev *dev);
 143 static int eth_igb_led_off(struct rte_eth_dev *dev);
 144
 145 static void igb_intr_disable(struct rte_eth_dev *dev);
 146 static int  igb_get_rx_buffer_size(struct e1000_hw *hw);
 147 static int eth_igb_rar_set(struct rte_eth_dev *dev,
 148                            struct rte_ether_addr *mac_addr,
 149                            uint32_t index, uint32_t pool);
 150 static void eth_igb_rar_clear(struct rte_eth_dev *dev, uint32_t index);
 151 static int eth_igb_default_mac_addr_set(struct rte_eth_dev *dev,
 152                 struct rte_ether_addr *addr);
 153
 154 static void igbvf_intr_disable(struct e1000_hw *hw);
 155 static int igbvf_dev_configure(struct rte_eth_dev *dev);
 156 static int igbvf_dev_start(struct rte_eth_dev *dev);
 157 static void igbvf_dev_stop(struct rte_eth_dev *dev);
 158 static void igbvf_dev_close(struct rte_eth_dev *dev);
 159 static int igbvf_promiscuous_enable(struct rte_eth_dev *dev);
 160 static int igbvf_promiscuous_disable(struct rte_eth_dev *dev);
 161 static int igbvf_allmulticast_enable(struct rte_eth_dev *dev);
 162 static int igbvf_allmulticast_disable(struct rte_eth_dev *dev);
 163 static int eth_igbvf_link_update(struct e1000_hw *hw);
 164 static int eth_igbvf_stats_get(struct rte_eth_dev *dev,
 165                                 struct rte_eth_stats *rte_stats);
 166 static int eth_igbvf_xstats_get(struct rte_eth_dev *dev,
 167                                 struct rte_eth_xstat *xstats, unsigned n);
 168 static int eth_igbvf_xstats_get_names(struct rte_eth_dev *dev,
 169                                       struct rte_eth_xstat_name *xstats_names,
 170                                       unsigned limit);
 171 static int eth_igbvf_stats_reset(struct rte_eth_dev *dev);
 172 static int igbvf_vlan_filter_set(struct rte_eth_dev *dev,
 173                 uint16_t vlan_id, int on);
 174 static int igbvf_set_vfta(struct e1000_hw *hw, uint16_t vid, bool on);
 175 static void igbvf_set_vfta_all(struct rte_eth_dev *dev, bool on);
 176 static int igbvf_default_mac_addr_set(struct rte_eth_dev *dev,
 177                 struct rte_ether_addr *addr);
 178 static int igbvf_get_reg_length(struct rte_eth_dev *dev);
 179 static int igbvf_get_regs(struct rte_eth_dev *dev,
 180                 struct rte_dev_reg_info *regs);
 181
 182 static int eth_igb_rss_reta_update(struct rte_eth_dev *dev,
 183                                    struct rte_eth_rss_reta_entry64 *reta_conf,
 184                                    uint16_t reta_size);
 185 static int eth_igb_rss_reta_query(struct rte_eth_dev *dev,
 186                                   struct rte_eth_rss_reta_entry64 *reta_conf,
 187                                   uint16_t reta_size);
 188
 189 static int eth_igb_syn_filter_get(struct rte_eth_dev *dev,
 190                         struct rte_eth_syn_filter *filter);
 191 static int eth_igb_syn_filter_handle(struct rte_eth_dev *dev,
 192                         enum rte_filter_op filter_op,
 193                         void *arg);
 194 static int igb_add_2tuple_filter(struct rte_eth_dev *dev,
 195                         struct rte_eth_ntuple_filter *ntuple_filter);
 196 static int igb_remove_2tuple_filter(struct rte_eth_dev *dev,
 197                         struct rte_eth_ntuple_filter *ntuple_filter);
 198 static int eth_igb_get_flex_filter(struct rte_eth_dev *dev,
 199                         struct rte_eth_flex_filter *filter);
 200 static int eth_igb_flex_filter_handle(struct rte_eth_dev *dev,
 201                         enum rte_filter_op filter_op,
 202                         void *arg);
 203 static int igb_add_5tuple_filter_82576(struct rte_eth_dev *dev,
 204                         struct rte_eth_ntuple_filter *ntuple_filter);
 205 static int igb_remove_5tuple_filter_82576(struct rte_eth_dev *dev,
 206                         struct rte_eth_ntuple_filter *ntuple_filter);
 207 static int igb_get_ntuple_filter(struct rte_eth_dev *dev,
 208                         struct rte_eth_ntuple_filter *filter);
 209 static int igb_ntuple_filter_handle(struct rte_eth_dev *dev,
 210                                 enum rte_filter_op filter_op,
 211                                 void *arg);
 212 static int igb_ethertype_filter_handle(struct rte_eth_dev *dev,
 213                                 enum rte_filter_op filter_op,
 214                                 void *arg);
 215 static int igb_get_ethertype_filter(struct rte_eth_dev *dev,
 216                         struct rte_eth_ethertype_filter *filter);
 217 static int eth_igb_filter_ctrl(struct rte_eth_dev *dev,
 218                      enum rte_filter_type filter_type,
 219                      enum rte_filter_op filter_op,
 220                      void *arg);
 221 static int eth_igb_get_reg_length(struct rte_eth_dev *dev);
 222 static int eth_igb_get_regs(struct rte_eth_dev *dev,
 223                 struct rte_dev_reg_info *regs);
 224 static int eth_igb_get_eeprom_length(struct rte_eth_dev *dev);
 225 static int eth_igb_get_eeprom(struct rte_eth_dev *dev,
 226                 struct rte_dev_eeprom_info *eeprom);
 227 static int eth_igb_set_eeprom(struct rte_eth_dev *dev,
 228                 struct rte_dev_eeprom_info *eeprom);
 229 static int eth_igb_get_module_info(struct rte_eth_dev *dev,
 230                                    struct rte_eth_dev_module_info *modinfo);
 231 static int eth_igb_get_module_eeprom(struct rte_eth_dev *dev,
 232                                      struct rte_dev_eeprom_info *info);
 233 static int eth_igb_set_mc_addr_list(struct rte_eth_dev *dev,
 234                                     struct rte_ether_addr *mc_addr_set,
 235                                     uint32_t nb_mc_addr);
 236 static int igb_timesync_enable(struct rte_eth_dev *dev);
 237 static int igb_timesync_disable(struct rte_eth_dev *dev);
 238 static int igb_timesync_read_rx_timestamp(struct rte_eth_dev *dev,
 239                                           struct timespec *timestamp,
 240                                           uint32_t flags);
 241 static int igb_timesync_read_tx_timestamp(struct rte_eth_dev *dev,
 242                                           struct timespec *timestamp);
 243 static int igb_timesync_adjust_time(struct rte_eth_dev *dev, int64_t delta);
 244 static int igb_timesync_read_time(struct rte_eth_dev *dev,
 245                                   struct timespec *timestamp);
 246 static int igb_timesync_write_time(struct rte_eth_dev *dev,
 247                                    const struct timespec *timestamp);
 248 static int eth_igb_rx_queue_intr_enable(struct rte_eth_dev *dev,
 249                                         uint16_t queue_id);
 250 static int eth_igb_rx_queue_intr_disable(struct rte_eth_dev *dev,
 251                                          uint16_t queue_id);
 252 static void eth_igb_assign_msix_vector(struct e1000_hw *hw, int8_t direction,
 253                                        uint8_t queue, uint8_t msix_vector);
 254 static void eth_igb_write_ivar(struct e1000_hw *hw, uint8_t msix_vector,
 255                                uint8_t index, uint8_t offset);
 256 static void eth_igb_configure_msix_intr(struct rte_eth_dev *dev);
 257 static void eth_igbvf_interrupt_handler(void *param);
 258 static void igbvf_mbx_process(struct rte_eth_dev *dev);
 259 static int igb_filter_restore(struct rte_eth_dev *dev);
 260
 261 /*
 262  * Define VF Stats MACRO for Non "cleared on read" register
 263  */
 264 #define UPDATE_VF_STAT(reg, last, cur)            \
 265 {                                                 \
 266         u32 latest = E1000_READ_REG(hw, reg);     \
 267         cur += (latest - last) & UINT_MAX;        \
 268         last = latest;                            \
 269 }
 270
 271 #define IGB_FC_PAUSE_TIME 0x0680
 272 #define IGB_LINK_UPDATE_CHECK_TIMEOUT  90  /* 9s */
 273 #define IGB_LINK_UPDATE_CHECK_INTERVAL 100 /* ms */
 274
 275 #define IGBVF_PMD_NAME "rte_igbvf_pmd"     /* PMD name */
 276
 277 static enum e1000_fc_mode igb_fc_setting = e1000_fc_full;
 278
 279 /*
 280  * The set of PCI devices this driver supports
 281  */
 282 static const struct rte_pci_id pci_id_igb_map[] = {
 283         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576) },
 284         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_FIBER) },
 285         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_SERDES) },
 286         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_QUAD_COPPER) },
 287         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_QUAD_COPPER_ET2) },
 288         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_NS) },
 289         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_NS_SERDES) },
 290         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_SERDES_QUAD) },
 291
 292         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82575EB_COPPER) },
 293         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82575EB_FIBER_SERDES) },
 294         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82575GB_QUAD_COPPER) },
 295
 296         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_COPPER) },
 297         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_FIBER) },
 298         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_SERDES) },
 299         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_SGMII) },
 300         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_COPPER_DUAL) },
 301         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_QUAD_FIBER) },
 302
 303         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_COPPER) },
 304         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_FIBER) },
 305         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_SERDES) },
 306         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_SGMII) },
 307         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_DA4) },
 308         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_COPPER) },
 309         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_COPPER_OEM1) },
 310         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_COPPER_IT) },
 311         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_FIBER) },
 312         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_SERDES) },
 313         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_SGMII) },
 314         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_COPPER_FLASHLESS) },
 315         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_SERDES_FLASHLESS) },
 316         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I211_COPPER) },
 317         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I354_BACKPLANE_1GBPS) },
 318         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I354_SGMII) },
 319         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I354_BACKPLANE_2_5GBPS) },
 320         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_DH89XXCC_SGMII) },
 321         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_DH89XXCC_SERDES) },
 322         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_DH89XXCC_BACKPLANE) },
 323         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_DH89XXCC_SFP) },
 324         { .vendor_id = 0, /* sentinel */ },
 325 };
 326
 327 /*
 328  * The set of PCI devices this driver supports (for 82576&I350 VF)
 329  */
 330 static const struct rte_pci_id pci_id_igbvf_map[] = {
 331         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_VF) },
 332         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_VF_HV) },
 333         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_VF) },
 334         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_VF_HV) },
 335         { .vendor_id = 0, /* sentinel */ },
 336 };
 337
 338 static const struct rte_eth_desc_lim rx_desc_lim = {
 339         .nb_max = E1000_MAX_RING_DESC,
 340         .nb_min = E1000_MIN_RING_DESC,
 341         .nb_align = IGB_RXD_ALIGN,
 342 };
 343
 344 static const struct rte_eth_desc_lim tx_desc_lim = {
 345         .nb_max = E1000_MAX_RING_DESC,
 346         .nb_min = E1000_MIN_RING_DESC,
 347         .nb_align = IGB_RXD_ALIGN,
 348         .nb_seg_max = IGB_TX_MAX_SEG,
 349         .nb_mtu_seg_max = IGB_TX_MAX_MTU_SEG,
 350 };
 351
 352 static const struct eth_dev_ops eth_igb_ops = {
 353         .dev_configure        = eth_igb_configure,
 354         .dev_start            = eth_igb_start,
 355         .dev_stop             = eth_igb_stop,
 356         .dev_set_link_up      = eth_igb_dev_set_link_up,
 357         .dev_set_link_down    = eth_igb_dev_set_link_down,
 358         .dev_close            = eth_igb_close,
 359         .dev_reset            = eth_igb_reset,
 360         .promiscuous_enable   = eth_igb_promiscuous_enable,
 361         .promiscuous_disable  = eth_igb_promiscuous_disable,
 362         .allmulticast_enable  = eth_igb_allmulticast_enable,
 363         .allmulticast_disable = eth_igb_allmulticast_disable,
 364         .link_update          = eth_igb_link_update,
 365         .stats_get            = eth_igb_stats_get,
 366         .xstats_get           = eth_igb_xstats_get,
 367         .xstats_get_by_id     = eth_igb_xstats_get_by_id,
 368         .xstats_get_names_by_id = eth_igb_xstats_get_names_by_id,
 369         .xstats_get_names     = eth_igb_xstats_get_names,
 370         .stats_reset          = eth_igb_stats_reset,
 371         .xstats_reset         = eth_igb_xstats_reset,
 372         .fw_version_get       = eth_igb_fw_version_get,
 373         .dev_infos_get        = eth_igb_infos_get,
 374         .dev_supported_ptypes_get = eth_igb_supported_ptypes_get,
 375         .mtu_set              = eth_igb_mtu_set,
 376         .vlan_filter_set      = eth_igb_vlan_filter_set,
 377         .vlan_tpid_set        = eth_igb_vlan_tpid_set,
 378         .vlan_offload_set     = eth_igb_vlan_offload_set,
 379         .rx_queue_setup       = eth_igb_rx_queue_setup,
 380         .rx_queue_intr_enable = eth_igb_rx_queue_intr_enable,
 381         .rx_queue_intr_disable = eth_igb_rx_queue_intr_disable,
 382         .rx_queue_release     = eth_igb_rx_queue_release,
 383         .rx_queue_count       = eth_igb_rx_queue_count,
 384         .rx_descriptor_done   = eth_igb_rx_descriptor_done,
 385         .rx_descriptor_status = eth_igb_rx_descriptor_status,
 386         .tx_descriptor_status = eth_igb_tx_descriptor_status,
 387         .tx_queue_setup       = eth_igb_tx_queue_setup,
 388         .tx_queue_release     = eth_igb_tx_queue_release,
 389         .tx_done_cleanup      = eth_igb_tx_done_cleanup,
 390         .dev_led_on           = eth_igb_led_on,
 391         .dev_led_off          = eth_igb_led_off,
 392         .flow_ctrl_get        = eth_igb_flow_ctrl_get,
 393         .flow_ctrl_set        = eth_igb_flow_ctrl_set,
 394         .mac_addr_add         = eth_igb_rar_set,
 395         .mac_addr_remove      = eth_igb_rar_clear,
 396         .mac_addr_set         = eth_igb_default_mac_addr_set,
 397         .reta_update          = eth_igb_rss_reta_update,
 398         .reta_query           = eth_igb_rss_reta_query,
 399         .rss_hash_update      = eth_igb_rss_hash_update,
 400         .rss_hash_conf_get    = eth_igb_rss_hash_conf_get,
 401         .filter_ctrl          = eth_igb_filter_ctrl,
 402         .set_mc_addr_list     = eth_igb_set_mc_addr_list,
 403         .rxq_info_get         = igb_rxq_info_get,
 404         .txq_info_get         = igb_txq_info_get,
 405         .timesync_enable      = igb_timesync_enable,
 406         .timesync_disable     = igb_timesync_disable,
 407         .timesync_read_rx_timestamp = igb_timesync_read_rx_timestamp,
 408         .timesync_read_tx_timestamp = igb_timesync_read_tx_timestamp,
 409         .get_reg              = eth_igb_get_regs,
 410         .get_eeprom_length    = eth_igb_get_eeprom_length,
 411         .get_eeprom           = eth_igb_get_eeprom,
 412         .set_eeprom           = eth_igb_set_eeprom,
 413         .get_module_info      = eth_igb_get_module_info,
 414         .get_module_eeprom    = eth_igb_get_module_eeprom,
 415         .timesync_adjust_time = igb_timesync_adjust_time,
 416         .timesync_read_time   = igb_timesync_read_time,
 417         .timesync_write_time  = igb_timesync_write_time,
 418 };
 419
 420 /*
 421  * dev_ops for virtual function, bare necessities for basic vf
 422  * operation have been implemented
 423  */
 424 static const struct eth_dev_ops igbvf_eth_dev_ops = {
 425         .dev_configure        = igbvf_dev_configure,
 426         .dev_start            = igbvf_dev_start,
 427         .dev_stop             = igbvf_dev_stop,
 428         .dev_close            = igbvf_dev_close,
 429         .promiscuous_enable   = igbvf_promiscuous_enable,
 430         .promiscuous_disable  = igbvf_promiscuous_disable,
 431         .allmulticast_enable  = igbvf_allmulticast_enable,
 432         .allmulticast_disable = igbvf_allmulticast_disable,
 433         .link_update          = eth_igb_link_update,
 434         .stats_get            = eth_igbvf_stats_get,
 435         .xstats_get           = eth_igbvf_xstats_get,
 436         .xstats_get_names     = eth_igbvf_xstats_get_names,
 437         .stats_reset          = eth_igbvf_stats_reset,
 438         .xstats_reset         = eth_igbvf_stats_reset,
 439         .vlan_filter_set      = igbvf_vlan_filter_set,
 440         .dev_infos_get        = eth_igbvf_infos_get,
 441         .dev_supported_ptypes_get = eth_igb_supported_ptypes_get,
 442         .rx_queue_setup       = eth_igb_rx_queue_setup,
 443         .rx_queue_release     = eth_igb_rx_queue_release,
 444         .rx_descriptor_done   = eth_igb_rx_descriptor_done,
 445         .rx_descriptor_status = eth_igb_rx_descriptor_status,
 446         .tx_descriptor_status = eth_igb_tx_descriptor_status,
 447         .tx_queue_setup       = eth_igb_tx_queue_setup,
 448         .tx_queue_release     = eth_igb_tx_queue_release,
 449         .set_mc_addr_list     = eth_igb_set_mc_addr_list,
 450         .rxq_info_get         = igb_rxq_info_get,
 451         .txq_info_get         = igb_txq_info_get,
 452         .mac_addr_set         = igbvf_default_mac_addr_set,
 453         .get_reg              = igbvf_get_regs,
 454 };
 455
 456 /* store statistics names and its offset in stats structure */
 457 struct rte_igb_xstats_name_off {
 458         char name[RTE_ETH_XSTATS_NAME_SIZE];
 459         unsigned offset;
 460 };
 461
 462 static const struct rte_igb_xstats_name_off rte_igb_stats_strings[] = {
 463         {"rx_crc_errors", offsetof(struct e1000_hw_stats, crcerrs)},
 464         {"rx_align_errors", offsetof(struct e1000_hw_stats, algnerrc)},
 465         {"rx_symbol_errors", offsetof(struct e1000_hw_stats, symerrs)},
 466         {"rx_missed_packets", offsetof(struct e1000_hw_stats, mpc)},
 467         {"tx_single_collision_packets", offsetof(struct e1000_hw_stats, scc)},
 468         {"tx_multiple_collision_packets", offsetof(struct e1000_hw_stats, mcc)},
 469         {"tx_excessive_collision_packets", offsetof(struct e1000_hw_stats,
 470                 ecol)},
 471         {"tx_late_collisions", offsetof(struct e1000_hw_stats, latecol)},
 472         {"tx_total_collisions", offsetof(struct e1000_hw_stats, colc)},
 473         {"tx_deferred_packets", offsetof(struct e1000_hw_stats, dc)},
 474         {"tx_no_carrier_sense_packets", offsetof(struct e1000_hw_stats, tncrs)},
 475         {"rx_carrier_ext_errors", offsetof(struct e1000_hw_stats, cexterr)},
 476         {"rx_length_errors", offsetof(struct e1000_hw_stats, rlec)},
 477         {"rx_xon_packets", offsetof(struct e1000_hw_stats, xonrxc)},
 478         {"tx_xon_packets", offsetof(struct e1000_hw_stats, xontxc)},
 479         {"rx_xoff_packets", offsetof(struct e1000_hw_stats, xoffrxc)},
 480         {"tx_xoff_packets", offsetof(struct e1000_hw_stats, xofftxc)},
 481         {"rx_flow_control_unsupported_packets", offsetof(struct e1000_hw_stats,
 482                 fcruc)},
 483         {"rx_size_64_packets", offsetof(struct e1000_hw_stats, prc64)},
 484         {"rx_size_65_to_127_packets", offsetof(struct e1000_hw_stats, prc127)},
 485         {"rx_size_128_to_255_packets", offsetof(struct e1000_hw_stats, prc255)},
 486         {"rx_size_256_to_511_packets", offsetof(struct e1000_hw_stats, prc511)},
 487         {"rx_size_512_to_1023_packets", offsetof(struct e1000_hw_stats,
 488                 prc1023)},
 489         {"rx_size_1024_to_max_packets", offsetof(struct e1000_hw_stats,
 490                 prc1522)},
 491         {"rx_broadcast_packets", offsetof(struct e1000_hw_stats, bprc)},
 492         {"rx_multicast_packets", offsetof(struct e1000_hw_stats, mprc)},
 493         {"rx_undersize_errors", offsetof(struct e1000_hw_stats, ruc)},
 494         {"rx_fragment_errors", offsetof(struct e1000_hw_stats, rfc)},
 495         {"rx_oversize_errors", offsetof(struct e1000_hw_stats, roc)},
 496         {"rx_jabber_errors", offsetof(struct e1000_hw_stats, rjc)},
 497         {"rx_management_packets", offsetof(struct e1000_hw_stats, mgprc)},
 498         {"rx_management_dropped", offsetof(struct e1000_hw_stats, mgpdc)},
 499         {"tx_management_packets", offsetof(struct e1000_hw_stats, mgptc)},
 500         {"rx_total_packets", offsetof(struct e1000_hw_stats, tpr)},
 501         {"tx_total_packets", offsetof(struct e1000_hw_stats, tpt)},
 502         {"rx_total_bytes", offsetof(struct e1000_hw_stats, tor)},
 503         {"tx_total_bytes", offsetof(struct e1000_hw_stats, tot)},
 504         {"tx_size_64_packets", offsetof(struct e1000_hw_stats, ptc64)},
 505         {"tx_size_65_to_127_packets", offsetof(struct e1000_hw_stats, ptc127)},
 506         {"tx_size_128_to_255_packets", offsetof(struct e1000_hw_stats, ptc255)},
 507         {"tx_size_256_to_511_packets", offsetof(struct e1000_hw_stats, ptc511)},
 508         {"tx_size_512_to_1023_packets", offsetof(struct e1000_hw_stats,
 509                 ptc1023)},
 510         {"tx_size_1023_to_max_packets", offsetof(struct e1000_hw_stats,
 511                 ptc1522)},
 512         {"tx_multicast_packets", offsetof(struct e1000_hw_stats, mptc)},
 513         {"tx_broadcast_packets", offsetof(struct e1000_hw_stats, bptc)},
 514         {"tx_tso_packets", offsetof(struct e1000_hw_stats, tsctc)},
 515         {"tx_tso_errors", offsetof(struct e1000_hw_stats, tsctfc)},
 516         {"rx_sent_to_host_packets", offsetof(struct e1000_hw_stats, rpthc)},
 517         {"tx_sent_by_host_packets", offsetof(struct e1000_hw_stats, hgptc)},
 518         {"rx_code_violation_packets", offsetof(struct e1000_hw_stats, scvpc)},
 519
 520         {"interrupt_assert_count", offsetof(struct e1000_hw_stats, iac)},
 521 };
 522
 523 #define IGB_NB_XSTATS (sizeof(rte_igb_stats_strings) / \
 524                 sizeof(rte_igb_stats_strings[0]))
 525
 526 static const struct rte_igb_xstats_name_off rte_igbvf_stats_strings[] = {
 527         {"rx_multicast_packets", offsetof(struct e1000_vf_stats, mprc)},
 528         {"rx_good_loopback_packets", offsetof(struct e1000_vf_stats, gprlbc)},
 529         {"tx_good_loopback_packets", offsetof(struct e1000_vf_stats, gptlbc)},
 530         {"rx_good_loopback_bytes", offsetof(struct e1000_vf_stats, gorlbc)},
 531         {"tx_good_loopback_bytes", offsetof(struct e1000_vf_stats, gotlbc)},
 532 };
 533
 534 #define IGBVF_NB_XSTATS (sizeof(rte_igbvf_stats_strings) / \
 535                 sizeof(rte_igbvf_stats_strings[0]))
 536
 537
 538 static inline void
 539 igb_intr_enable(struct rte_eth_dev *dev)
 540 {
 541         struct e1000_interrupt *intr =
 542                 E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
 543         struct e1000_hw *hw =
 544                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 545         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
 546         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
 547
 548         if (rte_intr_allow_others(intr_handle) &&
 549                 dev->data->dev_conf.intr_conf.lsc != 0) {
 550                 E1000_WRITE_REG(hw, E1000_EIMS, 1 << IGB_MSIX_OTHER_INTR_VEC);
 551         }
 552
 553         E1000_WRITE_REG(hw, E1000_IMS, intr->mask);
 554         E1000_WRITE_FLUSH(hw);
 555 }
 556
 557 static void
 558 igb_intr_disable(struct rte_eth_dev *dev)
 559 {
 560         struct e1000_hw *hw =
 561                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 562         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
 563         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
 564
 565         if (rte_intr_allow_others(intr_handle) &&
 566                 dev->data->dev_conf.intr_conf.lsc != 0) {
 567                 E1000_WRITE_REG(hw, E1000_EIMC, 1 << IGB_MSIX_OTHER_INTR_VEC);
 568         }
 569
 570         E1000_WRITE_REG(hw, E1000_IMC, ~0);
 571         E1000_WRITE_FLUSH(hw);
 572 }
 573
 574 static inline void
 575 igbvf_intr_enable(struct rte_eth_dev *dev)
 576 {
 577         struct e1000_hw *hw =
 578                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 579
 580         /* only for mailbox */
 581         E1000_WRITE_REG(hw, E1000_EIAM, 1 << E1000_VTIVAR_MISC_MAILBOX);
 582         E1000_WRITE_REG(hw, E1000_EIAC, 1 << E1000_VTIVAR_MISC_MAILBOX);
 583         E1000_WRITE_REG(hw, E1000_EIMS, 1 << E1000_VTIVAR_MISC_MAILBOX);
 584         E1000_WRITE_FLUSH(hw);
 585 }
 586
 587 /* only for mailbox now. If RX/TX needed, should extend this function.  */
 588 static void
 589 igbvf_set_ivar_map(struct e1000_hw *hw, uint8_t msix_vector)
 590 {
 591         uint32_t tmp = 0;
 592
 593         /* mailbox */
 594         tmp |= (msix_vector & E1000_VTIVAR_MISC_INTR_MASK);
 595         tmp |= E1000_VTIVAR_VALID;
 596         E1000_WRITE_REG(hw, E1000_VTIVAR_MISC, tmp);
 597 }
 598
 599 static void
 600 eth_igbvf_configure_msix_intr(struct rte_eth_dev *dev)
 601 {
 602         struct e1000_hw *hw =
 603                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 604
 605         /* Configure VF other cause ivar */
 606         igbvf_set_ivar_map(hw, E1000_VTIVAR_MISC_MAILBOX);
 607 }
 608
 609 static inline int32_t
 610 igb_pf_reset_hw(struct e1000_hw *hw)
 611 {
 612         uint32_t ctrl_ext;
 613         int32_t status;
 614
 615         status = e1000_reset_hw(hw);
 616
 617         ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
 618         /* Set PF Reset Done bit so PF/VF Mail Ops can work */
 619         ctrl_ext |= E1000_CTRL_EXT_PFRSTD;
 620         E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
 621         E1000_WRITE_FLUSH(hw);
 622
 623         return status;
 624 }
 625
 626 static void
 627 igb_identify_hardware(struct rte_eth_dev *dev, struct rte_pci_device *pci_dev)
 628 {
 629         struct e1000_hw *hw =
 630                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 631
 632
 633         hw->vendor_id = pci_dev->id.vendor_id;
 634         hw->device_id = pci_dev->id.device_id;
 635         hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
 636         hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
 637
 638         e1000_set_mac_type(hw);
 639
 640         /* need to check if it is a vf device below */
 641 }
 642
 643 static int
 644 igb_reset_swfw_lock(struct e1000_hw *hw)
 645 {
 646         int ret_val;
 647
 648         /*
 649          * Do mac ops initialization manually here, since we will need
 650          * some function pointers set by this call.
 651          */
 652         ret_val = e1000_init_mac_params(hw);
 653         if (ret_val)
 654                 return ret_val;
 655
 656         /*
 657          * SMBI lock should not fail in this early stage. If this is the case,
 658          * it is due to an improper exit of the application.
 659          * So force the release of the faulty lock.
 660          */
 661         if (e1000_get_hw_semaphore_generic(hw) < 0) {
 662                 PMD_DRV_LOG(DEBUG, "SMBI lock released");
 663         }
 664         e1000_put_hw_semaphore_generic(hw);
 665
 666         if (hw->mac.ops.acquire_swfw_sync != NULL) {
 667                 uint16_t mask;
 668
 669                 /*
 670                  * Phy lock should not fail in this early stage. If this is the case,
 671                  * it is due to an improper exit of the application.
 672                  * So force the release of the faulty lock.
 673                  */
 674                 mask = E1000_SWFW_PHY0_SM << hw->bus.func;
 675                 if (hw->bus.func > E1000_FUNC_1)
 676                         mask <<= 2;
 677                 if (hw->mac.ops.acquire_swfw_sync(hw, mask) < 0) {
 678                         PMD_DRV_LOG(DEBUG, "SWFW phy%d lock released",
 679                                     hw->bus.func);
 680                 }
 681                 hw->mac.ops.release_swfw_sync(hw, mask);
 682
 683                 /*
 684                  * This one is more tricky since it is common to all ports; but
 685                  * swfw_sync retries last long enough (1s) to be almost sure that if
 686                  * lock can not be taken it is due to an improper lock of the
 687                  * semaphore.
 688                  */
 689                 mask = E1000_SWFW_EEP_SM;
 690                 if (hw->mac.ops.acquire_swfw_sync(hw, mask) < 0) {
 691                         PMD_DRV_LOG(DEBUG, "SWFW common locks released");
 692                 }
 693                 hw->mac.ops.release_swfw_sync(hw, mask);
 694         }
 695
 696         return E1000_SUCCESS;
 697 }
 698
 699 /* Remove all ntuple filters of the device */
 700 static int igb_ntuple_filter_uninit(struct rte_eth_dev *eth_dev)
 701 {
 702         struct e1000_filter_info *filter_info =
 703                 E1000_DEV_PRIVATE_TO_FILTER_INFO(eth_dev->data->dev_private);
 704         struct e1000_5tuple_filter *p_5tuple;
 705         struct e1000_2tuple_filter *p_2tuple;
 706
 707         while ((p_5tuple = TAILQ_FIRST(&filter_info->fivetuple_list))) {
 708                 TAILQ_REMOVE(&filter_info->fivetuple_list,
 709                         p_5tuple, entries);
 710                         rte_free(p_5tuple);
 711         }
 712         filter_info->fivetuple_mask = 0;
 713         while ((p_2tuple = TAILQ_FIRST(&filter_info->twotuple_list))) {
 714                 TAILQ_REMOVE(&filter_info->twotuple_list,
 715                         p_2tuple, entries);
 716                         rte_free(p_2tuple);
 717         }
 718         filter_info->twotuple_mask = 0;
 719
 720         return 0;
 721 }
 722
 723 /* Remove all flex filters of the device */
 724 static int igb_flex_filter_uninit(struct rte_eth_dev *eth_dev)
 725 {
 726         struct e1000_filter_info *filter_info =
 727                 E1000_DEV_PRIVATE_TO_FILTER_INFO(eth_dev->data->dev_private);
 728         struct e1000_flex_filter *p_flex;
 729
 730         while ((p_flex = TAILQ_FIRST(&filter_info->flex_list))) {
 731                 TAILQ_REMOVE(&filter_info->flex_list, p_flex, entries);
 732                 rte_free(p_flex);
 733         }
 734         filter_info->flex_mask = 0;
 735
 736         return 0;
 737 }
 738
 739 static int
 740 eth_igb_dev_init(struct rte_eth_dev *eth_dev)
 741 {
 742         int error = 0;
 743         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
 744         struct e1000_hw *hw =
 745                 E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
 746         struct e1000_vfta * shadow_vfta =
 747                 E1000_DEV_PRIVATE_TO_VFTA(eth_dev->data->dev_private);
 748         struct e1000_filter_info *filter_info =
 749                 E1000_DEV_PRIVATE_TO_FILTER_INFO(eth_dev->data->dev_private);
 750         struct e1000_adapter *adapter =
 751                 E1000_DEV_PRIVATE(eth_dev->data->dev_private);
 752
 753         uint32_t ctrl_ext;
 754
 755         eth_dev->dev_ops = &eth_igb_ops;
 756         eth_dev->rx_pkt_burst = &eth_igb_recv_pkts;
 757         eth_dev->tx_pkt_burst = &eth_igb_xmit_pkts;
 758         eth_dev->tx_pkt_prepare = &eth_igb_prep_pkts;
 759
 760         /* for secondary processes, we don't initialise any further as primary
 761          * has already done this work. Only check we don't need a different
 762          * RX function */
 763         if (rte_eal_process_type() != RTE_PROC_PRIMARY){
 764                 if (eth_dev->data->scattered_rx)
 765                         eth_dev->rx_pkt_burst = &eth_igb_recv_scattered_pkts;
 766                 return 0;
 767         }
 768
 769         rte_eth_copy_pci_info(eth_dev, pci_dev);
 770
 771         hw->hw_addr= (void *)pci_dev->mem_resource[0].addr;
 772
 773         igb_identify_hardware(eth_dev, pci_dev);
 774         if (e1000_setup_init_funcs(hw, FALSE) != E1000_SUCCESS) {
 775                 error = -EIO;
 776                 goto err_late;
 777         }
 778
 779         e1000_get_bus_info(hw);
 780
 781         /* Reset any pending lock */
 782         if (igb_reset_swfw_lock(hw) != E1000_SUCCESS) {
 783                 error = -EIO;
 784                 goto err_late;
 785         }
 786
 787         /* Finish initialization */
 788         if (e1000_setup_init_funcs(hw, TRUE) != E1000_SUCCESS) {
 789                 error = -EIO;
 790                 goto err_late;
 791         }
 792
 793         hw->mac.autoneg = 1;
 794         hw->phy.autoneg_wait_to_complete = 0;
 795         hw->phy.autoneg_advertised = E1000_ALL_SPEED_DUPLEX;
 796
 797         /* Copper options */
 798         if (hw->phy.media_type == e1000_media_type_copper) {
 799                 hw->phy.mdix = 0; /* AUTO_ALL_MODES */
 800                 hw->phy.disable_polarity_correction = 0;
 801                 hw->phy.ms_type = e1000_ms_hw_default;
 802         }
 803
 804         /*
 805          * Start from a known state, this is important in reading the nvm
 806          * and mac from that.
 807          */
 808         igb_pf_reset_hw(hw);
 809
 810         /* Make sure we have a good EEPROM before we read from it */
 811         if (e1000_validate_nvm_checksum(hw) < 0) {
 812                 /*
 813                  * Some PCI-E parts fail the first check due to
 814                  * the link being in sleep state, call it again,
 815                  * if it fails a second time its a real issue.
 816                  */
 817                 if (e1000_validate_nvm_checksum(hw) < 0) {
 818                         PMD_INIT_LOG(ERR, "EEPROM checksum invalid");
 819                         error = -EIO;
 820                         goto err_late;
 821                 }
 822         }
 823
 824         /* Read the permanent MAC address out of the EEPROM */
 825         if (e1000_read_mac_addr(hw) != 0) {
 826                 PMD_INIT_LOG(ERR, "EEPROM error while reading MAC address");
 827                 error = -EIO;
 828                 goto err_late;
 829         }
 830
 831         /* Allocate memory for storing MAC addresses */
 832         eth_dev->data->mac_addrs = rte_zmalloc("e1000",
 833                 RTE_ETHER_ADDR_LEN * hw->mac.rar_entry_count, 0);
 834         if (eth_dev->data->mac_addrs == NULL) {
 835                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to "
 836                                                 "store MAC addresses",
 837                                 RTE_ETHER_ADDR_LEN * hw->mac.rar_entry_count);
 838                 error = -ENOMEM;
 839                 goto err_late;
 840         }
 841
 842         /* Copy the permanent MAC address */
 843         rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.addr,
 844                         &eth_dev->data->mac_addrs[0]);
 845
 846         /* Pass the information to the rte_eth_dev_close() that it should also
 847          * release the private port resources.
 848          */
 849         eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
 850
 851         /* initialize the vfta */
 852         memset(shadow_vfta, 0, sizeof(*shadow_vfta));
 853
 854         /* Now initialize the hardware */
 855         if (igb_hardware_init(hw) != 0) {
 856                 PMD_INIT_LOG(ERR, "Hardware initialization failed");
 857                 rte_free(eth_dev->data->mac_addrs);
 858                 eth_dev->data->mac_addrs = NULL;
 859                 error = -ENODEV;
 860                 goto err_late;
 861         }
 862         hw->mac.get_link_status = 1;
 863         adapter->stopped = 0;
 864
 865         /* Indicate SOL/IDER usage */
 866         if (e1000_check_reset_block(hw) < 0) {
 867                 PMD_INIT_LOG(ERR, "PHY reset is blocked due to"
 868                                         "SOL/IDER session");
 869         }
 870
 871         /* initialize PF if max_vfs not zero */
 872         igb_pf_host_init(eth_dev);
 873
 874         ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
 875         /* Set PF Reset Done bit so PF/VF Mail Ops can work */
 876         ctrl_ext |= E1000_CTRL_EXT_PFRSTD;
 877         E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
 878         E1000_WRITE_FLUSH(hw);
 879
 880         PMD_INIT_LOG(DEBUG, "port_id %d vendorID=0x%x deviceID=0x%x",
 881                      eth_dev->data->port_id, pci_dev->id.vendor_id,
 882                      pci_dev->id.device_id);
 883
 884         rte_intr_callback_register(&pci_dev->intr_handle,
 885                                    eth_igb_interrupt_handler,
 886                                    (void *)eth_dev);
 887
 888         /* enable uio/vfio intr/eventfd mapping */
 889         rte_intr_enable(&pci_dev->intr_handle);
 890
 891         /* enable support intr */
 892         igb_intr_enable(eth_dev);
 893
 894         eth_igb_dev_set_link_down(eth_dev);
 895
 896         /* initialize filter info */
 897         memset(filter_info, 0,
 898                sizeof(struct e1000_filter_info));
 899
 900         TAILQ_INIT(&filter_info->flex_list);
 901         TAILQ_INIT(&filter_info->twotuple_list);
 902         TAILQ_INIT(&filter_info->fivetuple_list);
 903
 904         TAILQ_INIT(&igb_filter_ntuple_list);
 905         TAILQ_INIT(&igb_filter_ethertype_list);
 906         TAILQ_INIT(&igb_filter_syn_list);
 907         TAILQ_INIT(&igb_filter_flex_list);
 908         TAILQ_INIT(&igb_filter_rss_list);
 909         TAILQ_INIT(&igb_flow_list);
 910
 911         return 0;
 912
 913 err_late:
 914         igb_hw_control_release(hw);
 915
 916         return error;
 917 }
 918
 919 static int
 920 eth_igb_dev_uninit(struct rte_eth_dev *eth_dev)
 921 {
 922         PMD_INIT_FUNC_TRACE();
 923
 924         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 925                 return -EPERM;
 926
 927         eth_igb_close(eth_dev);
 928
 929         return 0;
 930 }
 931
 932 /*
 933  * Virtual Function device init
 934  */
 935 static int
 936 eth_igbvf_dev_init(struct rte_eth_dev *eth_dev)
 937 {
 938         struct rte_pci_device *pci_dev;
 939         struct rte_intr_handle *intr_handle;
 940         struct e1000_adapter *adapter =
 941                 E1000_DEV_PRIVATE(eth_dev->data->dev_private);
 942         struct e1000_hw *hw =
 943                 E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
 944         int diag;
 945         struct rte_ether_addr *perm_addr =
 946                 (struct rte_ether_addr *)hw->mac.perm_addr;
 947
 948         PMD_INIT_FUNC_TRACE();
 949
 950         eth_dev->dev_ops = &igbvf_eth_dev_ops;
 951         eth_dev->rx_pkt_burst = &eth_igb_recv_pkts;
 952         eth_dev->tx_pkt_burst = &eth_igb_xmit_pkts;
 953         eth_dev->tx_pkt_prepare = &eth_igb_prep_pkts;
 954
 955         /* for secondary processes, we don't initialise any further as primary
 956          * has already done this work. Only check we don't need a different
 957          * RX function */
 958         if (rte_eal_process_type() != RTE_PROC_PRIMARY){
 959                 if (eth_dev->data->scattered_rx)
 960                         eth_dev->rx_pkt_burst = &eth_igb_recv_scattered_pkts;
 961                 return 0;
 962         }
 963
 964         pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev);
 965         rte_eth_copy_pci_info(eth_dev, pci_dev);
 966
 967         hw->device_id = pci_dev->id.device_id;
 968         hw->vendor_id = pci_dev->id.vendor_id;
 969         hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
 970         adapter->stopped = 0;
 971
 972         /* Initialize the shared code (base driver) */
 973         diag = e1000_setup_init_funcs(hw, TRUE);
 974         if (diag != 0) {
 975                 PMD_INIT_LOG(ERR, "Shared code init failed for igbvf: %d",
 976                         diag);
 977                 return -EIO;
 978         }
 979
 980         /* init_mailbox_params */
 981         hw->mbx.ops.init_params(hw);
 982
 983         /* Disable the interrupts for VF */
 984         igbvf_intr_disable(hw);
 985
 986         diag = hw->mac.ops.reset_hw(hw);
 987
 988         /* Allocate memory for storing MAC addresses */
 989         eth_dev->data->mac_addrs = rte_zmalloc("igbvf", RTE_ETHER_ADDR_LEN *
 990                 hw->mac.rar_entry_count, 0);
 991         if (eth_dev->data->mac_addrs == NULL) {
 992                 PMD_INIT_LOG(ERR,
 993                         "Failed to allocate %d bytes needed to store MAC "
 994                         "addresses",
 995                         RTE_ETHER_ADDR_LEN * hw->mac.rar_entry_count);
 996                 return -ENOMEM;
 997         }
 998
 999         /* Pass the information to the rte_eth_dev_close() that it should also
1000          * release the private port resources.
1001          */
1002         eth_dev->data->dev_flags |= RTE_ETH_DEV_CLOSE_REMOVE;
1003
1004         /* Generate a random MAC address, if none was assigned by PF. */
1005         if (rte_is_zero_ether_addr(perm_addr)) {
1006                 rte_eth_random_addr(perm_addr->addr_bytes);
1007                 PMD_INIT_LOG(INFO, "\tVF MAC address not assigned by Host PF");
1008                 PMD_INIT_LOG(INFO, "\tAssign randomly generated MAC address "
1009                              "%02x:%02x:%02x:%02x:%02x:%02x",
1010                              perm_addr->addr_bytes[0],
1011                              perm_addr->addr_bytes[1],
1012                              perm_addr->addr_bytes[2],
1013                              perm_addr->addr_bytes[3],
1014                              perm_addr->addr_bytes[4],
1015                              perm_addr->addr_bytes[5]);
1016         }
1017
1018         diag = e1000_rar_set(hw, perm_addr->addr_bytes, 0);
1019         if (diag) {
1020                 rte_free(eth_dev->data->mac_addrs);
1021                 eth_dev->data->mac_addrs = NULL;
1022                 return diag;
1023         }
1024         /* Copy the permanent MAC address */
1025         rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.perm_addr,
1026                         &eth_dev->data->mac_addrs[0]);
1027
1028         PMD_INIT_LOG(DEBUG, "port %d vendorID=0x%x deviceID=0x%x "
1029                      "mac.type=%s",
1030                      eth_dev->data->port_id, pci_dev->id.vendor_id,
1031                      pci_dev->id.device_id, "igb_mac_82576_vf");
1032
1033         intr_handle = &pci_dev->intr_handle;
1034         rte_intr_callback_register(intr_handle,
1035                                    eth_igbvf_interrupt_handler, eth_dev);
1036
1037         return 0;
1038 }
1039
1040 static int
1041 eth_igbvf_dev_uninit(struct rte_eth_dev *eth_dev)
1042 {
1043         PMD_INIT_FUNC_TRACE();
1044
1045         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1046                 return -EPERM;
1047
1048         igbvf_dev_close(eth_dev);
1049
1050         return 0;
1051 }
1052
1053 static int eth_igb_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1054         struct rte_pci_device *pci_dev)
1055 {
1056         return rte_eth_dev_pci_generic_probe(pci_dev,
1057                 sizeof(struct e1000_adapter), eth_igb_dev_init);
1058 }
1059
1060 static int eth_igb_pci_remove(struct rte_pci_device *pci_dev)
1061 {
1062         return rte_eth_dev_pci_generic_remove(pci_dev, eth_igb_dev_uninit);
1063 }
1064
1065 static struct rte_pci_driver rte_igb_pmd = {
1066         .id_table = pci_id_igb_map,
1067         .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
1068         .probe = eth_igb_pci_probe,
1069         .remove = eth_igb_pci_remove,
1070 };
1071
1072
1073 static int eth_igbvf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused,
1074         struct rte_pci_device *pci_dev)
1075 {
1076         return rte_eth_dev_pci_generic_probe(pci_dev,
1077                 sizeof(struct e1000_adapter), eth_igbvf_dev_init);
1078 }
1079
1080 static int eth_igbvf_pci_remove(struct rte_pci_device *pci_dev)
1081 {
1082         return rte_eth_dev_pci_generic_remove(pci_dev, eth_igbvf_dev_uninit);
1083 }
1084
1085 /*
1086  * virtual function driver struct
1087  */
1088 static struct rte_pci_driver rte_igbvf_pmd = {
1089         .id_table = pci_id_igbvf_map,
1090         .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
1091         .probe = eth_igbvf_pci_probe,
1092         .remove = eth_igbvf_pci_remove,
1093 };
1094
1095 static void
1096 igb_vmdq_vlan_hw_filter_enable(struct rte_eth_dev *dev)
1097 {
1098         struct e1000_hw *hw =
1099                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1100         /* RCTL: enable VLAN filter since VMDq always use VLAN filter */
1101         uint32_t rctl = E1000_READ_REG(hw, E1000_RCTL);
1102         rctl |= E1000_RCTL_VFE;
1103         E1000_WRITE_REG(hw, E1000_RCTL, rctl);
1104 }
1105
1106 static int
1107 igb_check_mq_mode(struct rte_eth_dev *dev)
1108 {
1109         enum rte_eth_rx_mq_mode rx_mq_mode = dev->data->dev_conf.rxmode.mq_mode;
1110         enum rte_eth_tx_mq_mode tx_mq_mode = dev->data->dev_conf.txmode.mq_mode;
1111         uint16_t nb_rx_q = dev->data->nb_rx_queues;
1112         uint16_t nb_tx_q = dev->data->nb_tx_queues;
1113
1114         if ((rx_mq_mode & ETH_MQ_RX_DCB_FLAG) ||
1115             tx_mq_mode == ETH_MQ_TX_DCB ||
1116             tx_mq_mode == ETH_MQ_TX_VMDQ_DCB) {
1117                 PMD_INIT_LOG(ERR, "DCB mode is not supported.");
1118                 return -EINVAL;
1119         }
1120         if (RTE_ETH_DEV_SRIOV(dev).active != 0) {
1121                 /* Check multi-queue mode.
1122                  * To no break software we accept ETH_MQ_RX_NONE as this might
1123                  * be used to turn off VLAN filter.
1124                  */
1125
1126                 if (rx_mq_mode == ETH_MQ_RX_NONE ||
1127                     rx_mq_mode == ETH_MQ_RX_VMDQ_ONLY) {
1128                         dev->data->dev_conf.rxmode.mq_mode = ETH_MQ_RX_VMDQ_ONLY;
1129                         RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool = 1;
1130                 } else {
1131                         /* Only support one queue on VFs.
1132                          * RSS together with SRIOV is not supported.
1133                          */
1134                         PMD_INIT_LOG(ERR, "SRIOV is active,"
1135                                         " wrong mq_mode rx %d.",
1136                                         rx_mq_mode);
1137                         return -EINVAL;
1138                 }
1139                 /* TX mode is not used here, so mode might be ignored.*/
1140                 if (tx_mq_mode != ETH_MQ_TX_VMDQ_ONLY) {
1141                         /* SRIOV only works in VMDq enable mode */
1142                         PMD_INIT_LOG(WARNING, "SRIOV is active,"
1143                                         " TX mode %d is not supported. "
1144                                         " Driver will behave as %d mode.",
1145                                         tx_mq_mode, ETH_MQ_TX_VMDQ_ONLY);
1146                 }
1147
1148                 /* check valid queue number */
1149                 if ((nb_rx_q > 1) || (nb_tx_q > 1)) {
1150                         PMD_INIT_LOG(ERR, "SRIOV is active,"
1151                                         " only support one queue on VFs.");
1152                         return -EINVAL;
1153                 }
1154         } else {
1155                 /* To no break software that set invalid mode, only display
1156                  * warning if invalid mode is used.
1157                  */
1158                 if (rx_mq_mode != ETH_MQ_RX_NONE &&
1159                     rx_mq_mode != ETH_MQ_RX_VMDQ_ONLY &&
1160                     rx_mq_mode != ETH_MQ_RX_RSS) {
1161                         /* RSS together with VMDq not supported*/
1162                         PMD_INIT_LOG(ERR, "RX mode %d is not supported.",
1163                                      rx_mq_mode);
1164                         return -EINVAL;
1165                 }
1166
1167                 if (tx_mq_mode != ETH_MQ_TX_NONE &&
1168                     tx_mq_mode != ETH_MQ_TX_VMDQ_ONLY) {
1169                         PMD_INIT_LOG(WARNING, "TX mode %d is not supported."
1170                                         " Due to txmode is meaningless in this"
1171                                         " driver, just ignore.",
1172                                         tx_mq_mode);
1173                 }
1174         }
1175         return 0;
1176 }
1177
1178 static int
1179 eth_igb_configure(struct rte_eth_dev *dev)
1180 {
1181         struct e1000_interrupt *intr =
1182                 E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
1183         int ret;
1184
1185         PMD_INIT_FUNC_TRACE();
1186
1187         if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG)
1188                 dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
1189
1190         /* multipe queue mode checking */
1191         ret  = igb_check_mq_mode(dev);
1192         if (ret != 0) {
1193                 PMD_DRV_LOG(ERR, "igb_check_mq_mode fails with %d.",
1194                             ret);
1195                 return ret;
1196         }
1197
1198         intr->flags |= E1000_FLAG_NEED_LINK_UPDATE;
1199         PMD_INIT_FUNC_TRACE();
1200
1201         return 0;
1202 }
1203
1204 static void
1205 eth_igb_rxtx_control(struct rte_eth_dev *dev,
1206                      bool enable)
1207 {
1208         struct e1000_hw *hw =
1209                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1210         uint32_t tctl, rctl;
1211
1212         tctl = E1000_READ_REG(hw, E1000_TCTL);
1213         rctl = E1000_READ_REG(hw, E1000_RCTL);
1214
1215         if (enable) {
1216                 /* enable Tx/Rx */
1217                 tctl |= E1000_TCTL_EN;
1218                 rctl |= E1000_RCTL_EN;
1219         } else {
1220                 /* disable Tx/Rx */
1221                 tctl &= ~E1000_TCTL_EN;
1222                 rctl &= ~E1000_RCTL_EN;
1223         }
1224         E1000_WRITE_REG(hw, E1000_TCTL, tctl);
1225         E1000_WRITE_REG(hw, E1000_RCTL, rctl);
1226         E1000_WRITE_FLUSH(hw);
1227 }
1228
1229 static int
1230 eth_igb_start(struct rte_eth_dev *dev)
1231 {
1232         struct e1000_hw *hw =
1233                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1234         struct e1000_adapter *adapter =
1235                 E1000_DEV_PRIVATE(dev->data->dev_private);
1236         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1237         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1238         int ret, mask;
1239         uint32_t intr_vector = 0;
1240         uint32_t ctrl_ext;
1241         uint32_t *speeds;
1242         int num_speeds;
1243         bool autoneg;
1244
1245         PMD_INIT_FUNC_TRACE();
1246
1247         /* disable uio/vfio intr/eventfd mapping */
1248         rte_intr_disable(intr_handle);
1249
1250         /* Power up the phy. Needed to make the link go Up */
1251         eth_igb_dev_set_link_up(dev);
1252
1253         /*
1254          * Packet Buffer Allocation (PBA)
1255          * Writing PBA sets the receive portion of the buffer
1256          * the remainder is used for the transmit buffer.
1257          */
1258         if (hw->mac.type == e1000_82575) {
1259                 uint32_t pba;
1260
1261                 pba = E1000_PBA_32K; /* 32K for Rx, 16K for Tx */
1262                 E1000_WRITE_REG(hw, E1000_PBA, pba);
1263         }
1264
1265         /* Put the address into the Receive Address Array */
1266         e1000_rar_set(hw, hw->mac.addr, 0);
1267
1268         /* Initialize the hardware */
1269         if (igb_hardware_init(hw)) {
1270                 PMD_INIT_LOG(ERR, "Unable to initialize the hardware");
1271                 return -EIO;
1272         }
1273         adapter->stopped = 0;
1274
1275         E1000_WRITE_REG(hw, E1000_VET,
1276                         RTE_ETHER_TYPE_VLAN << 16 | RTE_ETHER_TYPE_VLAN);
1277
1278         ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
1279         /* Set PF Reset Done bit so PF/VF Mail Ops can work */
1280         ctrl_ext |= E1000_CTRL_EXT_PFRSTD;
1281         E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
1282         E1000_WRITE_FLUSH(hw);
1283
1284         /* configure PF module if SRIOV enabled */
1285         igb_pf_host_configure(dev);
1286
1287         /* check and configure queue intr-vector mapping */
1288         if ((rte_intr_cap_multiple(intr_handle) ||
1289              !RTE_ETH_DEV_SRIOV(dev).active) &&
1290             dev->data->dev_conf.intr_conf.rxq != 0) {
1291                 intr_vector = dev->data->nb_rx_queues;
1292                 if (rte_intr_efd_enable(intr_handle, intr_vector))
1293                         return -1;
1294         }
1295
1296         if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
1297                 intr_handle->intr_vec =
1298                         rte_zmalloc("intr_vec",
1299                                     dev->data->nb_rx_queues * sizeof(int), 0);
1300                 if (intr_handle->intr_vec == NULL) {
1301                         PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
1302                                      " intr_vec", dev->data->nb_rx_queues);
1303                         return -ENOMEM;
1304                 }
1305         }
1306
1307         /* confiugre msix for rx interrupt */
1308         eth_igb_configure_msix_intr(dev);
1309
1310         /* Configure for OS presence */
1311         igb_init_manageability(hw);
1312
1313         eth_igb_tx_init(dev);
1314
1315         /* This can fail when allocating mbufs for descriptor rings */
1316         ret = eth_igb_rx_init(dev);
1317         if (ret) {
1318                 PMD_INIT_LOG(ERR, "Unable to initialize RX hardware");
1319                 igb_dev_clear_queues(dev);
1320                 return ret;
1321         }
1322
1323         e1000_clear_hw_cntrs_base_generic(hw);
1324
1325         /*
1326          * VLAN Offload Settings
1327          */
1328         mask = ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK | \
1329                         ETH_VLAN_EXTEND_MASK;
1330         ret = eth_igb_vlan_offload_set(dev, mask);
1331         if (ret) {
1332                 PMD_INIT_LOG(ERR, "Unable to set vlan offload");
1333                 igb_dev_clear_queues(dev);
1334                 return ret;
1335         }
1336
1337         if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_VMDQ_ONLY) {
1338                 /* Enable VLAN filter since VMDq always use VLAN filter */
1339                 igb_vmdq_vlan_hw_filter_enable(dev);
1340         }
1341
1342         if ((hw->mac.type == e1000_82576) || (hw->mac.type == e1000_82580) ||
1343                 (hw->mac.type == e1000_i350) || (hw->mac.type == e1000_i210) ||
1344                 (hw->mac.type == e1000_i211)) {
1345                 /* Configure EITR with the maximum possible value (0xFFFF) */
1346                 E1000_WRITE_REG(hw, E1000_EITR(0), 0xFFFF);
1347         }
1348
1349         /* Setup link speed and duplex */
1350         speeds = &dev->data->dev_conf.link_speeds;
1351         if (*speeds == ETH_LINK_SPEED_AUTONEG) {
1352                 hw->phy.autoneg_advertised = E1000_ALL_SPEED_DUPLEX;
1353                 hw->mac.autoneg = 1;
1354         } else {
1355                 num_speeds = 0;
1356                 autoneg = (*speeds & ETH_LINK_SPEED_FIXED) == 0;
1357
1358                 /* Reset */
1359                 hw->phy.autoneg_advertised = 0;
1360
1361                 if (*speeds & ~(ETH_LINK_SPEED_10M_HD | ETH_LINK_SPEED_10M |
1362                                 ETH_LINK_SPEED_100M_HD | ETH_LINK_SPEED_100M |
1363                                 ETH_LINK_SPEED_1G | ETH_LINK_SPEED_FIXED)) {
1364                         num_speeds = -1;
1365                         goto error_invalid_config;
1366                 }
1367                 if (*speeds & ETH_LINK_SPEED_10M_HD) {
1368                         hw->phy.autoneg_advertised |= ADVERTISE_10_HALF;
1369                         num_speeds++;
1370                 }
1371                 if (*speeds & ETH_LINK_SPEED_10M) {
1372                         hw->phy.autoneg_advertised |= ADVERTISE_10_FULL;
1373                         num_speeds++;
1374                 }
1375                 if (*speeds & ETH_LINK_SPEED_100M_HD) {
1376                         hw->phy.autoneg_advertised |= ADVERTISE_100_HALF;
1377                         num_speeds++;
1378                 }
1379                 if (*speeds & ETH_LINK_SPEED_100M) {
1380                         hw->phy.autoneg_advertised |= ADVERTISE_100_FULL;
1381                         num_speeds++;
1382                 }
1383                 if (*speeds & ETH_LINK_SPEED_1G) {
1384                         hw->phy.autoneg_advertised |= ADVERTISE_1000_FULL;
1385                         num_speeds++;
1386                 }
1387                 if (num_speeds == 0 || (!autoneg && (num_speeds > 1)))
1388                         goto error_invalid_config;
1389
1390                 /* Set/reset the mac.autoneg based on the link speed,
1391                  * fixed or not
1392                  */
1393                 if (!autoneg) {
1394                         hw->mac.autoneg = 0;
1395                         hw->mac.forced_speed_duplex =
1396                                         hw->phy.autoneg_advertised;
1397                 } else {
1398                         hw->mac.autoneg = 1;
1399                 }
1400         }
1401
1402         e1000_setup_link(hw);
1403
1404         if (rte_intr_allow_others(intr_handle)) {
1405                 /* check if lsc interrupt is enabled */
1406                 if (dev->data->dev_conf.intr_conf.lsc != 0)
1407                         eth_igb_lsc_interrupt_setup(dev, TRUE);
1408                 else
1409                         eth_igb_lsc_interrupt_setup(dev, FALSE);
1410         } else {
1411                 rte_intr_callback_unregister(intr_handle,
1412                                              eth_igb_interrupt_handler,
1413                                              (void *)dev);
1414                 if (dev->data->dev_conf.intr_conf.lsc != 0)
1415                         PMD_INIT_LOG(INFO, "lsc won't enable because of"
1416                                      " no intr multiplex");
1417         }
1418
1419         /* check if rxq interrupt is enabled */
1420         if (dev->data->dev_conf.intr_conf.rxq != 0 &&
1421             rte_intr_dp_is_en(intr_handle))
1422                 eth_igb_rxq_interrupt_setup(dev);
1423
1424         /* enable uio/vfio intr/eventfd mapping */
1425         rte_intr_enable(intr_handle);
1426
1427         /* resume enabled intr since hw reset */
1428         igb_intr_enable(dev);
1429
1430         /* restore all types filter */
1431         igb_filter_restore(dev);
1432
1433         eth_igb_rxtx_control(dev, true);
1434         eth_igb_link_update(dev, 0);
1435
1436         PMD_INIT_LOG(DEBUG, "<<");
1437
1438         return 0;
1439
1440 error_invalid_config:
1441         PMD_INIT_LOG(ERR, "Invalid advertised speeds (%u) for port %u",
1442                      dev->data->dev_conf.link_speeds, dev->data->port_id);
1443         igb_dev_clear_queues(dev);
1444         return -EINVAL;
1445 }
1446
1447 /*********************************************************************
1448  *
1449  *  This routine disables all traffic on the adapter by issuing a
1450  *  global reset on the MAC.
1451  *
1452  **********************************************************************/
1453 static void
1454 eth_igb_stop(struct rte_eth_dev *dev)
1455 {
1456         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1457         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1458         struct rte_eth_link link;
1459         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1460         struct e1000_adapter *adapter =
1461                 E1000_DEV_PRIVATE(dev->data->dev_private);
1462
1463         if (adapter->stopped)
1464                 return;
1465
1466         eth_igb_rxtx_control(dev, false);
1467
1468         igb_intr_disable(dev);
1469
1470         /* disable intr eventfd mapping */
1471         rte_intr_disable(intr_handle);
1472
1473         igb_pf_reset_hw(hw);
1474         E1000_WRITE_REG(hw, E1000_WUC, 0);
1475
1476         /* Set bit for Go Link disconnect if PHY reset is not blocked */
1477         if (hw->mac.type >= e1000_82580 &&
1478             (e1000_check_reset_block(hw) != E1000_BLK_PHY_RESET)) {
1479                 uint32_t phpm_reg;
1480
1481                 phpm_reg = E1000_READ_REG(hw, E1000_82580_PHY_POWER_MGMT);
1482                 phpm_reg |= E1000_82580_PM_GO_LINKD;
1483                 E1000_WRITE_REG(hw, E1000_82580_PHY_POWER_MGMT, phpm_reg);
1484         }
1485
1486         /* Power down the phy. Needed to make the link go Down */
1487         eth_igb_dev_set_link_down(dev);
1488
1489         igb_dev_clear_queues(dev);
1490
1491         /* clear the recorded link status */
1492         memset(&link, 0, sizeof(link));
1493         rte_eth_linkstatus_set(dev, &link);
1494
1495         if (!rte_intr_allow_others(intr_handle))
1496                 /* resume to the default handler */
1497                 rte_intr_callback_register(intr_handle,
1498                                            eth_igb_interrupt_handler,
1499                                            (void *)dev);
1500
1501         /* Clean datapath event and queue/vec mapping */
1502         rte_intr_efd_disable(intr_handle);
1503         if (intr_handle->intr_vec != NULL) {
1504                 rte_free(intr_handle->intr_vec);
1505                 intr_handle->intr_vec = NULL;
1506         }
1507
1508         adapter->stopped = true;
1509 }
1510
1511 static int
1512 eth_igb_dev_set_link_up(struct rte_eth_dev *dev)
1513 {
1514         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1515
1516         if (hw->phy.media_type == e1000_media_type_copper)
1517                 e1000_power_up_phy(hw);
1518         else
1519                 e1000_power_up_fiber_serdes_link(hw);
1520
1521         return 0;
1522 }
1523
1524 static int
1525 eth_igb_dev_set_link_down(struct rte_eth_dev *dev)
1526 {
1527         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1528
1529         if (hw->phy.media_type == e1000_media_type_copper)
1530                 e1000_power_down_phy(hw);
1531         else
1532                 e1000_shutdown_fiber_serdes_link(hw);
1533
1534         return 0;
1535 }
1536
1537 static void
1538 eth_igb_close(struct rte_eth_dev *dev)
1539 {
1540         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1541         struct rte_eth_link link;
1542         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
1543         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1544         struct e1000_filter_info *filter_info =
1545                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
1546
1547         eth_igb_stop(dev);
1548
1549         e1000_phy_hw_reset(hw);
1550         igb_release_manageability(hw);
1551         igb_hw_control_release(hw);
1552
1553         /* Clear bit for Go Link disconnect if PHY reset is not blocked */
1554         if (hw->mac.type >= e1000_82580 &&
1555             (e1000_check_reset_block(hw) != E1000_BLK_PHY_RESET)) {
1556                 uint32_t phpm_reg;
1557
1558                 phpm_reg = E1000_READ_REG(hw, E1000_82580_PHY_POWER_MGMT);
1559                 phpm_reg &= ~E1000_82580_PM_GO_LINKD;
1560                 E1000_WRITE_REG(hw, E1000_82580_PHY_POWER_MGMT, phpm_reg);
1561         }
1562
1563         igb_dev_free_queues(dev);
1564
1565         if (intr_handle->intr_vec) {
1566                 rte_free(intr_handle->intr_vec);
1567                 intr_handle->intr_vec = NULL;
1568         }
1569
1570         memset(&link, 0, sizeof(link));
1571         rte_eth_linkstatus_set(dev, &link);
1572
1573         dev->dev_ops = NULL;
1574         dev->rx_pkt_burst = NULL;
1575         dev->tx_pkt_burst = NULL;
1576
1577         /* Reset any pending lock */
1578         igb_reset_swfw_lock(hw);
1579
1580         /* uninitialize PF if max_vfs not zero */
1581         igb_pf_host_uninit(dev);
1582
1583         rte_intr_callback_unregister(intr_handle,
1584                                      eth_igb_interrupt_handler, dev);
1585
1586         /* clear the SYN filter info */
1587         filter_info->syn_info = 0;
1588
1589         /* clear the ethertype filters info */
1590         filter_info->ethertype_mask = 0;
1591         memset(filter_info->ethertype_filters, 0,
1592                 E1000_MAX_ETQF_FILTERS * sizeof(struct igb_ethertype_filter));
1593
1594         /* clear the rss filter info */
1595         memset(&filter_info->rss_info, 0,
1596                 sizeof(struct igb_rte_flow_rss_conf));
1597
1598         /* remove all ntuple filters of the device */
1599         igb_ntuple_filter_uninit(dev);
1600
1601         /* remove all flex filters of the device */
1602         igb_flex_filter_uninit(dev);
1603
1604         /* clear all the filters list */
1605         igb_filterlist_flush(dev);
1606 }
1607
1608 /*
1609  * Reset PF device.
1610  */
1611 static int
1612 eth_igb_reset(struct rte_eth_dev *dev)
1613 {
1614         int ret;
1615
1616         /* When a DPDK PMD PF begin to reset PF port, it should notify all
1617          * its VF to make them align with it. The detailed notification
1618          * mechanism is PMD specific and is currently not implemented.
1619          * To avoid unexpected behavior in VF, currently reset of PF with
1620          * SR-IOV activation is not supported. It might be supported later.
1621          */
1622         if (dev->data->sriov.active)
1623                 return -ENOTSUP;
1624
1625         ret = eth_igb_dev_uninit(dev);
1626         if (ret)
1627                 return ret;
1628
1629         ret = eth_igb_dev_init(dev);
1630
1631         return ret;
1632 }
1633
1634
1635 static int
1636 igb_get_rx_buffer_size(struct e1000_hw *hw)
1637 {
1638         uint32_t rx_buf_size;
1639         if (hw->mac.type == e1000_82576) {
1640                 rx_buf_size = (E1000_READ_REG(hw, E1000_RXPBS) & 0xffff) << 10;
1641         } else if (hw->mac.type == e1000_82580 || hw->mac.type == e1000_i350) {
1642                 /* PBS needs to be translated according to a lookup table */
1643                 rx_buf_size = (E1000_READ_REG(hw, E1000_RXPBS) & 0xf);
1644                 rx_buf_size = (uint32_t) e1000_rxpbs_adjust_82580(rx_buf_size);
1645                 rx_buf_size = (rx_buf_size << 10);
1646         } else if (hw->mac.type == e1000_i210 || hw->mac.type == e1000_i211) {
1647                 rx_buf_size = (E1000_READ_REG(hw, E1000_RXPBS) & 0x3f) << 10;
1648         } else {
1649                 rx_buf_size = (E1000_READ_REG(hw, E1000_PBA) & 0xffff) << 10;
1650         }
1651
1652         return rx_buf_size;
1653 }
1654
1655 /*********************************************************************
1656  *
1657  *  Initialize the hardware
1658  *
1659  **********************************************************************/
1660 static int
1661 igb_hardware_init(struct e1000_hw *hw)
1662 {
1663         uint32_t rx_buf_size;
1664         int diag;
1665
1666         /* Let the firmware know the OS is in control */
1667         igb_hw_control_acquire(hw);
1668
1669         /*
1670          * These parameters control the automatic generation (Tx) and
1671          * response (Rx) to Ethernet PAUSE frames.
1672          * - High water mark should allow for at least two standard size (1518)
1673          *   frames to be received after sending an XOFF.
1674          * - Low water mark works best when it is very near the high water mark.
1675          *   This allows the receiver to restart by sending XON when it has
1676          *   drained a bit. Here we use an arbitrary value of 1500 which will
1677          *   restart after one full frame is pulled from the buffer. There
1678          *   could be several smaller frames in the buffer and if so they will
1679          *   not trigger the XON until their total number reduces the buffer
1680          *   by 1500.
1681          * - The pause time is fairly large at 1000 x 512ns = 512 usec.
1682          */
1683         rx_buf_size = igb_get_rx_buffer_size(hw);
1684
1685         hw->fc.high_water = rx_buf_size - (RTE_ETHER_MAX_LEN * 2);
1686         hw->fc.low_water = hw->fc.high_water - 1500;
1687         hw->fc.pause_time = IGB_FC_PAUSE_TIME;
1688         hw->fc.send_xon = 1;
1689
1690         /* Set Flow control, use the tunable location if sane */
1691         if ((igb_fc_setting != e1000_fc_none) && (igb_fc_setting < 4))
1692                 hw->fc.requested_mode = igb_fc_setting;
1693         else
1694                 hw->fc.requested_mode = e1000_fc_none;
1695
1696         /* Issue a global reset */
1697         igb_pf_reset_hw(hw);
1698         E1000_WRITE_REG(hw, E1000_WUC, 0);
1699
1700         diag = e1000_init_hw(hw);
1701         if (diag < 0)
1702                 return diag;
1703
1704         E1000_WRITE_REG(hw, E1000_VET,
1705                         RTE_ETHER_TYPE_VLAN << 16 | RTE_ETHER_TYPE_VLAN);
1706         e1000_get_phy_info(hw);
1707         e1000_check_for_link(hw);
1708
1709         return 0;
1710 }
1711
1712 /* This function is based on igb_update_stats_counters() in igb/if_igb.c */
1713 static void
1714 igb_read_stats_registers(struct e1000_hw *hw, struct e1000_hw_stats *stats)
1715 {
1716         int pause_frames;
1717
1718         uint64_t old_gprc  = stats->gprc;
1719         uint64_t old_gptc  = stats->gptc;
1720         uint64_t old_tpr   = stats->tpr;
1721         uint64_t old_tpt   = stats->tpt;
1722         uint64_t old_rpthc = stats->rpthc;
1723         uint64_t old_hgptc = stats->hgptc;
1724
1725         if(hw->phy.media_type == e1000_media_type_copper ||
1726             (E1000_READ_REG(hw, E1000_STATUS) & E1000_STATUS_LU)) {
1727                 stats->symerrs +=
1728                     E1000_READ_REG(hw,E1000_SYMERRS);
1729                 stats->sec += E1000_READ_REG(hw, E1000_SEC);
1730         }
1731
1732         stats->crcerrs += E1000_READ_REG(hw, E1000_CRCERRS);
1733         stats->mpc += E1000_READ_REG(hw, E1000_MPC);
1734         stats->scc += E1000_READ_REG(hw, E1000_SCC);
1735         stats->ecol += E1000_READ_REG(hw, E1000_ECOL);
1736
1737         stats->mcc += E1000_READ_REG(hw, E1000_MCC);
1738         stats->latecol += E1000_READ_REG(hw, E1000_LATECOL);
1739         stats->colc += E1000_READ_REG(hw, E1000_COLC);
1740         stats->dc += E1000_READ_REG(hw, E1000_DC);
1741         stats->rlec += E1000_READ_REG(hw, E1000_RLEC);
1742         stats->xonrxc += E1000_READ_REG(hw, E1000_XONRXC);
1743         stats->xontxc += E1000_READ_REG(hw, E1000_XONTXC);
1744         /*
1745         ** For watchdog management we need to know if we have been
1746         ** paused during the last interval, so capture that here.
1747         */
1748         pause_frames = E1000_READ_REG(hw, E1000_XOFFRXC);
1749         stats->xoffrxc += pause_frames;
1750         stats->xofftxc += E1000_READ_REG(hw, E1000_XOFFTXC);
1751         stats->fcruc += E1000_READ_REG(hw, E1000_FCRUC);
1752         stats->prc64 += E1000_READ_REG(hw, E1000_PRC64);
1753         stats->prc127 += E1000_READ_REG(hw, E1000_PRC127);
1754         stats->prc255 += E1000_READ_REG(hw, E1000_PRC255);
1755         stats->prc511 += E1000_READ_REG(hw, E1000_PRC511);
1756         stats->prc1023 += E1000_READ_REG(hw, E1000_PRC1023);
1757         stats->prc1522 += E1000_READ_REG(hw, E1000_PRC1522);
1758         stats->gprc += E1000_READ_REG(hw, E1000_GPRC);
1759         stats->bprc += E1000_READ_REG(hw, E1000_BPRC);
1760         stats->mprc += E1000_READ_REG(hw, E1000_MPRC);
1761         stats->gptc += E1000_READ_REG(hw, E1000_GPTC);
1762
1763         /* For the 64-bit byte counters the low dword must be read first. */
1764         /* Both registers clear on the read of the high dword */
1765
1766         /* Workaround CRC bytes included in size, take away 4 bytes/packet */
1767         stats->gorc += E1000_READ_REG(hw, E1000_GORCL);
1768         stats->gorc += ((uint64_t)E1000_READ_REG(hw, E1000_GORCH) << 32);
1769         stats->gorc -= (stats->gprc - old_gprc) * RTE_ETHER_CRC_LEN;
1770         stats->gotc += E1000_READ_REG(hw, E1000_GOTCL);
1771         stats->gotc += ((uint64_t)E1000_READ_REG(hw, E1000_GOTCH) << 32);
1772         stats->gotc -= (stats->gptc - old_gptc) * RTE_ETHER_CRC_LEN;
1773
1774         stats->rnbc += E1000_READ_REG(hw, E1000_RNBC);
1775         stats->ruc += E1000_READ_REG(hw, E1000_RUC);
1776         stats->rfc += E1000_READ_REG(hw, E1000_RFC);
1777         stats->roc += E1000_READ_REG(hw, E1000_ROC);
1778         stats->rjc += E1000_READ_REG(hw, E1000_RJC);
1779
1780         stats->tpr += E1000_READ_REG(hw, E1000_TPR);
1781         stats->tpt += E1000_READ_REG(hw, E1000_TPT);
1782
1783         stats->tor += E1000_READ_REG(hw, E1000_TORL);
1784         stats->tor += ((uint64_t)E1000_READ_REG(hw, E1000_TORH) << 32);
1785         stats->tor -= (stats->tpr - old_tpr) * RTE_ETHER_CRC_LEN;
1786         stats->tot += E1000_READ_REG(hw, E1000_TOTL);
1787         stats->tot += ((uint64_t)E1000_READ_REG(hw, E1000_TOTH) << 32);
1788         stats->tot -= (stats->tpt - old_tpt) * RTE_ETHER_CRC_LEN;
1789
1790         stats->ptc64 += E1000_READ_REG(hw, E1000_PTC64);
1791         stats->ptc127 += E1000_READ_REG(hw, E1000_PTC127);
1792         stats->ptc255 += E1000_READ_REG(hw, E1000_PTC255);
1793         stats->ptc511 += E1000_READ_REG(hw, E1000_PTC511);
1794         stats->ptc1023 += E1000_READ_REG(hw, E1000_PTC1023);
1795         stats->ptc1522 += E1000_READ_REG(hw, E1000_PTC1522);
1796         stats->mptc += E1000_READ_REG(hw, E1000_MPTC);
1797         stats->bptc += E1000_READ_REG(hw, E1000_BPTC);
1798
1799         /* Interrupt Counts */
1800
1801         stats->iac += E1000_READ_REG(hw, E1000_IAC);
1802         stats->icrxptc += E1000_READ_REG(hw, E1000_ICRXPTC);
1803         stats->icrxatc += E1000_READ_REG(hw, E1000_ICRXATC);
1804         stats->ictxptc += E1000_READ_REG(hw, E1000_ICTXPTC);
1805         stats->ictxatc += E1000_READ_REG(hw, E1000_ICTXATC);
1806         stats->ictxqec += E1000_READ_REG(hw, E1000_ICTXQEC);
1807         stats->ictxqmtc += E1000_READ_REG(hw, E1000_ICTXQMTC);
1808         stats->icrxdmtc += E1000_READ_REG(hw, E1000_ICRXDMTC);
1809         stats->icrxoc += E1000_READ_REG(hw, E1000_ICRXOC);
1810
1811         /* Host to Card Statistics */
1812
1813         stats->cbtmpc += E1000_READ_REG(hw, E1000_CBTMPC);
1814         stats->htdpmc += E1000_READ_REG(hw, E1000_HTDPMC);
1815         stats->cbrdpc += E1000_READ_REG(hw, E1000_CBRDPC);
1816         stats->cbrmpc += E1000_READ_REG(hw, E1000_CBRMPC);
1817         stats->rpthc += E1000_READ_REG(hw, E1000_RPTHC);
1818         stats->hgptc += E1000_READ_REG(hw, E1000_HGPTC);
1819         stats->htcbdpc += E1000_READ_REG(hw, E1000_HTCBDPC);
1820         stats->hgorc += E1000_READ_REG(hw, E1000_HGORCL);
1821         stats->hgorc += ((uint64_t)E1000_READ_REG(hw, E1000_HGORCH) << 32);
1822         stats->hgorc -= (stats->rpthc - old_rpthc) * RTE_ETHER_CRC_LEN;
1823         stats->hgotc += E1000_READ_REG(hw, E1000_HGOTCL);
1824         stats->hgotc += ((uint64_t)E1000_READ_REG(hw, E1000_HGOTCH) << 32);
1825         stats->hgotc -= (stats->hgptc - old_hgptc) * RTE_ETHER_CRC_LEN;
1826         stats->lenerrs += E1000_READ_REG(hw, E1000_LENERRS);
1827         stats->scvpc += E1000_READ_REG(hw, E1000_SCVPC);
1828         stats->hrmpc += E1000_READ_REG(hw, E1000_HRMPC);
1829
1830         stats->algnerrc += E1000_READ_REG(hw, E1000_ALGNERRC);
1831         stats->rxerrc += E1000_READ_REG(hw, E1000_RXERRC);
1832         stats->tncrs += E1000_READ_REG(hw, E1000_TNCRS);
1833         stats->cexterr += E1000_READ_REG(hw, E1000_CEXTERR);
1834         stats->tsctc += E1000_READ_REG(hw, E1000_TSCTC);
1835         stats->tsctfc += E1000_READ_REG(hw, E1000_TSCTFC);
1836 }
1837
1838 static int
1839 eth_igb_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
1840 {
1841         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1842         struct e1000_hw_stats *stats =
1843                         E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1844
1845         igb_read_stats_registers(hw, stats);
1846
1847         if (rte_stats == NULL)
1848                 return -EINVAL;
1849
1850         /* Rx Errors */
1851         rte_stats->imissed = stats->mpc;
1852         rte_stats->ierrors = stats->crcerrs +
1853                              stats->rlec + stats->ruc + stats->roc +
1854                              stats->rxerrc + stats->algnerrc + stats->cexterr;
1855
1856         /* Tx Errors */
1857         rte_stats->oerrors = stats->ecol + stats->latecol;
1858
1859         rte_stats->ipackets = stats->gprc;
1860         rte_stats->opackets = stats->gptc;
1861         rte_stats->ibytes   = stats->gorc;
1862         rte_stats->obytes   = stats->gotc;
1863         return 0;
1864 }
1865
1866 static int
1867 eth_igb_stats_reset(struct rte_eth_dev *dev)
1868 {
1869         struct e1000_hw_stats *hw_stats =
1870                         E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1871
1872         /* HW registers are cleared on read */
1873         eth_igb_stats_get(dev, NULL);
1874
1875         /* Reset software totals */
1876         memset(hw_stats, 0, sizeof(*hw_stats));
1877
1878         return 0;
1879 }
1880
1881 static int
1882 eth_igb_xstats_reset(struct rte_eth_dev *dev)
1883 {
1884         struct e1000_hw_stats *stats =
1885                         E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1886
1887         /* HW registers are cleared on read */
1888         eth_igb_xstats_get(dev, NULL, IGB_NB_XSTATS);
1889
1890         /* Reset software totals */
1891         memset(stats, 0, sizeof(*stats));
1892
1893         return 0;
1894 }
1895
1896 static int eth_igb_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
1897         struct rte_eth_xstat_name *xstats_names,
1898         __rte_unused unsigned int size)
1899 {
1900         unsigned i;
1901
1902         if (xstats_names == NULL)
1903                 return IGB_NB_XSTATS;
1904
1905         /* Note: limit checked in rte_eth_xstats_names() */
1906
1907         for (i = 0; i < IGB_NB_XSTATS; i++) {
1908                 strlcpy(xstats_names[i].name, rte_igb_stats_strings[i].name,
1909                         sizeof(xstats_names[i].name));
1910         }
1911
1912         return IGB_NB_XSTATS;
1913 }
1914
1915 static int eth_igb_xstats_get_names_by_id(struct rte_eth_dev *dev,
1916                 struct rte_eth_xstat_name *xstats_names, const uint64_t *ids,
1917                 unsigned int limit)
1918 {
1919         unsigned int i;
1920
1921         if (!ids) {
1922                 if (xstats_names == NULL)
1923                         return IGB_NB_XSTATS;
1924
1925                 for (i = 0; i < IGB_NB_XSTATS; i++)
1926                         strlcpy(xstats_names[i].name,
1927                                 rte_igb_stats_strings[i].name,
1928                                 sizeof(xstats_names[i].name));
1929
1930                 return IGB_NB_XSTATS;
1931
1932         } else {
1933                 struct rte_eth_xstat_name xstats_names_copy[IGB_NB_XSTATS];
1934
1935                 eth_igb_xstats_get_names_by_id(dev, xstats_names_copy, NULL,
1936                                 IGB_NB_XSTATS);
1937
1938                 for (i = 0; i < limit; i++) {
1939                         if (ids[i] >= IGB_NB_XSTATS) {
1940                                 PMD_INIT_LOG(ERR, "id value isn't valid");
1941                                 return -1;
1942                         }
1943                         strcpy(xstats_names[i].name,
1944                                         xstats_names_copy[ids[i]].name);
1945                 }
1946                 return limit;
1947         }
1948 }
1949
1950 static int
1951 eth_igb_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
1952                    unsigned n)
1953 {
1954         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1955         struct e1000_hw_stats *hw_stats =
1956                         E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1957         unsigned i;
1958
1959         if (n < IGB_NB_XSTATS)
1960                 return IGB_NB_XSTATS;
1961
1962         igb_read_stats_registers(hw, hw_stats);
1963
1964         /* If this is a reset xstats is NULL, and we have cleared the
1965          * registers by reading them.
1966          */
1967         if (!xstats)
1968                 return 0;
1969
1970         /* Extended stats */
1971         for (i = 0; i < IGB_NB_XSTATS; i++) {
1972                 xstats[i].id = i;
1973                 xstats[i].value = *(uint64_t *)(((char *)hw_stats) +
1974                         rte_igb_stats_strings[i].offset);
1975         }
1976
1977         return IGB_NB_XSTATS;
1978 }
1979
1980 static int
1981 eth_igb_xstats_get_by_id(struct rte_eth_dev *dev, const uint64_t *ids,
1982                 uint64_t *values, unsigned int n)
1983 {
1984         unsigned int i;
1985
1986         if (!ids) {
1987                 struct e1000_hw *hw =
1988                         E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1989                 struct e1000_hw_stats *hw_stats =
1990                         E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1991
1992                 if (n < IGB_NB_XSTATS)
1993                         return IGB_NB_XSTATS;
1994
1995                 igb_read_stats_registers(hw, hw_stats);
1996
1997                 /* If this is a reset xstats is NULL, and we have cleared the
1998                  * registers by reading them.
1999                  */
2000                 if (!values)
2001                         return 0;
2002
2003                 /* Extended stats */
2004                 for (i = 0; i < IGB_NB_XSTATS; i++)
2005                         values[i] = *(uint64_t *)(((char *)hw_stats) +
2006                                         rte_igb_stats_strings[i].offset);
2007
2008                 return IGB_NB_XSTATS;
2009
2010         } else {
2011                 uint64_t values_copy[IGB_NB_XSTATS];
2012
2013                 eth_igb_xstats_get_by_id(dev, NULL, values_copy,
2014                                 IGB_NB_XSTATS);
2015
2016                 for (i = 0; i < n; i++) {
2017                         if (ids[i] >= IGB_NB_XSTATS) {
2018                                 PMD_INIT_LOG(ERR, "id value isn't valid");
2019                                 return -1;
2020                         }
2021                         values[i] = values_copy[ids[i]];
2022                 }
2023                 return n;
2024         }
2025 }
2026
2027 static void
2028 igbvf_read_stats_registers(struct e1000_hw *hw, struct e1000_vf_stats *hw_stats)
2029 {
2030         /* Good Rx packets, include VF loopback */
2031         UPDATE_VF_STAT(E1000_VFGPRC,
2032             hw_stats->last_gprc, hw_stats->gprc);
2033
2034         /* Good Rx octets, include VF loopback */
2035         UPDATE_VF_STAT(E1000_VFGORC,
2036             hw_stats->last_gorc, hw_stats->gorc);
2037
2038         /* Good Tx packets, include VF loopback */
2039         UPDATE_VF_STAT(E1000_VFGPTC,
2040             hw_stats->last_gptc, hw_stats->gptc);
2041
2042         /* Good Tx octets, include VF loopback */
2043         UPDATE_VF_STAT(E1000_VFGOTC,
2044             hw_stats->last_gotc, hw_stats->gotc);
2045
2046         /* Rx Multicst packets */
2047         UPDATE_VF_STAT(E1000_VFMPRC,
2048             hw_stats->last_mprc, hw_stats->mprc);
2049
2050         /* Good Rx loopback packets */
2051         UPDATE_VF_STAT(E1000_VFGPRLBC,
2052             hw_stats->last_gprlbc, hw_stats->gprlbc);
2053
2054         /* Good Rx loopback octets */
2055         UPDATE_VF_STAT(E1000_VFGORLBC,
2056             hw_stats->last_gorlbc, hw_stats->gorlbc);
2057
2058         /* Good Tx loopback packets */
2059         UPDATE_VF_STAT(E1000_VFGPTLBC,
2060             hw_stats->last_gptlbc, hw_stats->gptlbc);
2061
2062         /* Good Tx loopback octets */
2063         UPDATE_VF_STAT(E1000_VFGOTLBC,
2064             hw_stats->last_gotlbc, hw_stats->gotlbc);
2065 }
2066
2067 static int eth_igbvf_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
2068                                      struct rte_eth_xstat_name *xstats_names,
2069                                      __rte_unused unsigned limit)
2070 {
2071         unsigned i;
2072
2073         if (xstats_names != NULL)
2074                 for (i = 0; i < IGBVF_NB_XSTATS; i++) {
2075                         strlcpy(xstats_names[i].name,
2076                                 rte_igbvf_stats_strings[i].name,
2077                                 sizeof(xstats_names[i].name));
2078                 }
2079         return IGBVF_NB_XSTATS;
2080 }
2081
2082 static int
2083 eth_igbvf_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
2084                      unsigned n)
2085 {
2086         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2087         struct e1000_vf_stats *hw_stats = (struct e1000_vf_stats *)
2088                         E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
2089         unsigned i;
2090
2091         if (n < IGBVF_NB_XSTATS)
2092                 return IGBVF_NB_XSTATS;
2093
2094         igbvf_read_stats_registers(hw, hw_stats);
2095
2096         if (!xstats)
2097                 return 0;
2098
2099         for (i = 0; i < IGBVF_NB_XSTATS; i++) {
2100                 xstats[i].id = i;
2101                 xstats[i].value = *(uint64_t *)(((char *)hw_stats) +
2102                         rte_igbvf_stats_strings[i].offset);
2103         }
2104
2105         return IGBVF_NB_XSTATS;
2106 }
2107
2108 static int
2109 eth_igbvf_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
2110 {
2111         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2112         struct e1000_vf_stats *hw_stats = (struct e1000_vf_stats *)
2113                           E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
2114
2115         igbvf_read_stats_registers(hw, hw_stats);
2116
2117         if (rte_stats == NULL)
2118                 return -EINVAL;
2119
2120         rte_stats->ipackets = hw_stats->gprc;
2121         rte_stats->ibytes = hw_stats->gorc;
2122         rte_stats->opackets = hw_stats->gptc;
2123         rte_stats->obytes = hw_stats->gotc;
2124         return 0;
2125 }
2126
2127 static int
2128 eth_igbvf_stats_reset(struct rte_eth_dev *dev)
2129 {
2130         struct e1000_vf_stats *hw_stats = (struct e1000_vf_stats*)
2131                         E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
2132
2133         /* Sync HW register to the last stats */
2134         eth_igbvf_stats_get(dev, NULL);
2135
2136         /* reset HW current stats*/
2137         memset(&hw_stats->gprc, 0, sizeof(*hw_stats) -
2138                offsetof(struct e1000_vf_stats, gprc));
2139
2140         return 0;
2141 }
2142
2143 static int
2144 eth_igb_fw_version_get(struct rte_eth_dev *dev, char *fw_version,
2145                        size_t fw_size)
2146 {
2147         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2148         struct e1000_fw_version fw;
2149         int ret;
2150
2151         e1000_get_fw_version(hw, &fw);
2152
2153         switch (hw->mac.type) {
2154         case e1000_i210:
2155         case e1000_i211:
2156                 if (!(e1000_get_flash_presence_i210(hw))) {
2157                         ret = snprintf(fw_version, fw_size,
2158                                  "%2d.%2d-%d",
2159                                  fw.invm_major, fw.invm_minor,
2160                                  fw.invm_img_type);
2161                         break;
2162                 }
2163                 /* fall through */
2164         default:
2165                 /* if option rom is valid, display its version too */
2166                 if (fw.or_valid) {
2167                         ret = snprintf(fw_version, fw_size,
2168                                  "%d.%d, 0x%08x, %d.%d.%d",
2169                                  fw.eep_major, fw.eep_minor, fw.etrack_id,
2170                                  fw.or_major, fw.or_build, fw.or_patch);
2171                 /* no option rom */
2172                 } else {
2173                         if (fw.etrack_id != 0X0000) {
2174                                 ret = snprintf(fw_version, fw_size,
2175                                          "%d.%d, 0x%08x",
2176                                          fw.eep_major, fw.eep_minor,
2177                                          fw.etrack_id);
2178                         } else {
2179                                 ret = snprintf(fw_version, fw_size,
2180                                          "%d.%d.%d",
2181                                          fw.eep_major, fw.eep_minor,
2182                                          fw.eep_build);
2183                         }
2184                 }
2185                 break;
2186         }
2187
2188         ret += 1; /* add the size of '\0' */
2189         if (fw_size < (u32)ret)
2190                 return ret;
2191         else
2192                 return 0;
2193 }
2194
2195 static int
2196 eth_igb_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
2197 {
2198         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2199
2200         dev_info->min_rx_bufsize = 256; /* See BSIZE field of RCTL register. */
2201         dev_info->max_rx_pktlen  = 0x3FFF; /* See RLPML register. */
2202         dev_info->max_mac_addrs = hw->mac.rar_entry_count;
2203         dev_info->rx_queue_offload_capa = igb_get_rx_queue_offloads_capa(dev);
2204         dev_info->rx_offload_capa = igb_get_rx_port_offloads_capa(dev) |
2205                                     dev_info->rx_queue_offload_capa;
2206         dev_info->tx_queue_offload_capa = igb_get_tx_queue_offloads_capa(dev);
2207         dev_info->tx_offload_capa = igb_get_tx_port_offloads_capa(dev) |
2208                                     dev_info->tx_queue_offload_capa;
2209
2210         switch (hw->mac.type) {
2211         case e1000_82575:
2212                 dev_info->max_rx_queues = 4;
2213                 dev_info->max_tx_queues = 4;
2214                 dev_info->max_vmdq_pools = 0;
2215                 break;
2216
2217         case e1000_82576:
2218                 dev_info->max_rx_queues = 16;
2219                 dev_info->max_tx_queues = 16;
2220                 dev_info->max_vmdq_pools = ETH_8_POOLS;
2221                 dev_info->vmdq_queue_num = 16;
2222                 break;
2223
2224         case e1000_82580:
2225                 dev_info->max_rx_queues = 8;
2226                 dev_info->max_tx_queues = 8;
2227                 dev_info->max_vmdq_pools = ETH_8_POOLS;
2228                 dev_info->vmdq_queue_num = 8;
2229                 break;
2230
2231         case e1000_i350:
2232                 dev_info->max_rx_queues = 8;
2233                 dev_info->max_tx_queues = 8;
2234                 dev_info->max_vmdq_pools = ETH_8_POOLS;
2235                 dev_info->vmdq_queue_num = 8;
2236                 break;
2237
2238         case e1000_i354:
2239                 dev_info->max_rx_queues = 8;
2240                 dev_info->max_tx_queues = 8;
2241                 break;
2242
2243         case e1000_i210:
2244                 dev_info->max_rx_queues = 4;
2245                 dev_info->max_tx_queues = 4;
2246                 dev_info->max_vmdq_pools = 0;
2247                 break;
2248
2249         case e1000_i211:
2250                 dev_info->max_rx_queues = 2;
2251                 dev_info->max_tx_queues = 2;
2252                 dev_info->max_vmdq_pools = 0;
2253                 break;
2254
2255         default:
2256                 /* Should not happen */
2257                 return -EINVAL;
2258         }
2259         dev_info->hash_key_size = IGB_HKEY_MAX_INDEX * sizeof(uint32_t);
2260         dev_info->reta_size = ETH_RSS_RETA_SIZE_128;
2261         dev_info->flow_type_rss_offloads = IGB_RSS_OFFLOAD_ALL;
2262
2263         dev_info->default_rxconf = (struct rte_eth_rxconf) {
2264                 .rx_thresh = {
2265                         .pthresh = IGB_DEFAULT_RX_PTHRESH,
2266                         .hthresh = IGB_DEFAULT_RX_HTHRESH,
2267                         .wthresh = IGB_DEFAULT_RX_WTHRESH,
2268                 },
2269                 .rx_free_thresh = IGB_DEFAULT_RX_FREE_THRESH,
2270                 .rx_drop_en = 0,
2271                 .offloads = 0,
2272         };
2273
2274         dev_info->default_txconf = (struct rte_eth_txconf) {
2275                 .tx_thresh = {
2276                         .pthresh = IGB_DEFAULT_TX_PTHRESH,
2277                         .hthresh = IGB_DEFAULT_TX_HTHRESH,
2278                         .wthresh = IGB_DEFAULT_TX_WTHRESH,
2279                 },
2280                 .offloads = 0,
2281         };
2282
2283         dev_info->rx_desc_lim = rx_desc_lim;
2284         dev_info->tx_desc_lim = tx_desc_lim;
2285
2286         dev_info->speed_capa = ETH_LINK_SPEED_10M_HD | ETH_LINK_SPEED_10M |
2287                         ETH_LINK_SPEED_100M_HD | ETH_LINK_SPEED_100M |
2288                         ETH_LINK_SPEED_1G;
2289
2290         dev_info->max_mtu = dev_info->max_rx_pktlen - E1000_ETH_OVERHEAD;
2291         dev_info->min_mtu = RTE_ETHER_MIN_MTU;
2292
2293         return 0;
2294 }
2295
2296 static const uint32_t *
2297 eth_igb_supported_ptypes_get(struct rte_eth_dev *dev)
2298 {
2299         static const uint32_t ptypes[] = {
2300                 /* refers to igb_rxd_pkt_info_to_pkt_type() */
2301                 RTE_PTYPE_L2_ETHER,
2302                 RTE_PTYPE_L3_IPV4,
2303                 RTE_PTYPE_L3_IPV4_EXT,
2304                 RTE_PTYPE_L3_IPV6,
2305                 RTE_PTYPE_L3_IPV6_EXT,
2306                 RTE_PTYPE_L4_TCP,
2307                 RTE_PTYPE_L4_UDP,
2308                 RTE_PTYPE_L4_SCTP,
2309                 RTE_PTYPE_TUNNEL_IP,
2310                 RTE_PTYPE_INNER_L3_IPV6,
2311                 RTE_PTYPE_INNER_L3_IPV6_EXT,
2312                 RTE_PTYPE_INNER_L4_TCP,
2313                 RTE_PTYPE_INNER_L4_UDP,
2314                 RTE_PTYPE_UNKNOWN
2315         };
2316
2317         if (dev->rx_pkt_burst == eth_igb_recv_pkts ||
2318             dev->rx_pkt_burst == eth_igb_recv_scattered_pkts)
2319                 return ptypes;
2320         return NULL;
2321 }
2322
2323 static int
2324 eth_igbvf_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
2325 {
2326         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2327
2328         dev_info->min_rx_bufsize = 256; /* See BSIZE field of RCTL register. */
2329         dev_info->max_rx_pktlen  = 0x3FFF; /* See RLPML register. */
2330         dev_info->max_mac_addrs = hw->mac.rar_entry_count;
2331         dev_info->tx_offload_capa = DEV_TX_OFFLOAD_VLAN_INSERT |
2332                                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
2333                                 DEV_TX_OFFLOAD_UDP_CKSUM   |
2334                                 DEV_TX_OFFLOAD_TCP_CKSUM   |
2335                                 DEV_TX_OFFLOAD_SCTP_CKSUM  |
2336                                 DEV_TX_OFFLOAD_TCP_TSO;
2337         switch (hw->mac.type) {
2338         case e1000_vfadapt:
2339                 dev_info->max_rx_queues = 2;
2340                 dev_info->max_tx_queues = 2;
2341                 break;
2342         case e1000_vfadapt_i350:
2343                 dev_info->max_rx_queues = 1;
2344                 dev_info->max_tx_queues = 1;
2345                 break;
2346         default:
2347                 /* Should not happen */
2348                 return -EINVAL;
2349         }
2350
2351         dev_info->rx_queue_offload_capa = igb_get_rx_queue_offloads_capa(dev);
2352         dev_info->rx_offload_capa = igb_get_rx_port_offloads_capa(dev) |
2353                                     dev_info->rx_queue_offload_capa;
2354         dev_info->tx_queue_offload_capa = igb_get_tx_queue_offloads_capa(dev);
2355         dev_info->tx_offload_capa = igb_get_tx_port_offloads_capa(dev) |
2356                                     dev_info->tx_queue_offload_capa;
2357
2358         dev_info->default_rxconf = (struct rte_eth_rxconf) {
2359                 .rx_thresh = {
2360                         .pthresh = IGB_DEFAULT_RX_PTHRESH,
2361                         .hthresh = IGB_DEFAULT_RX_HTHRESH,
2362                         .wthresh = IGB_DEFAULT_RX_WTHRESH,
2363                 },
2364                 .rx_free_thresh = IGB_DEFAULT_RX_FREE_THRESH,
2365                 .rx_drop_en = 0,
2366                 .offloads = 0,
2367         };
2368
2369         dev_info->default_txconf = (struct rte_eth_txconf) {
2370                 .tx_thresh = {
2371                         .pthresh = IGB_DEFAULT_TX_PTHRESH,
2372                         .hthresh = IGB_DEFAULT_TX_HTHRESH,
2373                         .wthresh = IGB_DEFAULT_TX_WTHRESH,
2374                 },
2375                 .offloads = 0,
2376         };
2377
2378         dev_info->rx_desc_lim = rx_desc_lim;
2379         dev_info->tx_desc_lim = tx_desc_lim;
2380
2381         return 0;
2382 }
2383
2384 /* return 0 means link status changed, -1 means not changed */
2385 static int
2386 eth_igb_link_update(struct rte_eth_dev *dev, int wait_to_complete)
2387 {
2388         struct e1000_hw *hw =
2389                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2390         struct rte_eth_link link;
2391         int link_check, count;
2392
2393         link_check = 0;
2394         hw->mac.get_link_status = 1;
2395
2396         /* possible wait-to-complete in up to 9 seconds */
2397         for (count = 0; count < IGB_LINK_UPDATE_CHECK_TIMEOUT; count ++) {
2398                 /* Read the real link status */
2399                 switch (hw->phy.media_type) {
2400                 case e1000_media_type_copper:
2401                         /* Do the work to read phy */
2402                         e1000_check_for_link(hw);
2403                         link_check = !hw->mac.get_link_status;
2404                         break;
2405
2406                 case e1000_media_type_fiber:
2407                         e1000_check_for_link(hw);
2408                         link_check = (E1000_READ_REG(hw, E1000_STATUS) &
2409                                       E1000_STATUS_LU);
2410                         break;
2411
2412                 case e1000_media_type_internal_serdes:
2413                         e1000_check_for_link(hw);
2414                         link_check = hw->mac.serdes_has_link;
2415                         break;
2416
2417                 /* VF device is type_unknown */
2418                 case e1000_media_type_unknown:
2419                         eth_igbvf_link_update(hw);
2420                         link_check = !hw->mac.get_link_status;
2421                         break;
2422
2423                 default:
2424                         break;
2425                 }
2426                 if (link_check || wait_to_complete == 0)
2427                         break;
2428                 rte_delay_ms(IGB_LINK_UPDATE_CHECK_INTERVAL);
2429         }
2430         memset(&link, 0, sizeof(link));
2431
2432         /* Now we check if a transition has happened */
2433         if (link_check) {
2434                 uint16_t duplex, speed;
2435                 hw->mac.ops.get_link_up_info(hw, &speed, &duplex);
2436                 link.link_duplex = (duplex == FULL_DUPLEX) ?
2437                                 ETH_LINK_FULL_DUPLEX :
2438                                 ETH_LINK_HALF_DUPLEX;
2439                 link.link_speed = speed;
2440                 link.link_status = ETH_LINK_UP;
2441                 link.link_autoneg = !(dev->data->dev_conf.link_speeds &
2442                                 ETH_LINK_SPEED_FIXED);
2443         } else if (!link_check) {
2444                 link.link_speed = 0;
2445                 link.link_duplex = ETH_LINK_HALF_DUPLEX;
2446                 link.link_status = ETH_LINK_DOWN;
2447                 link.link_autoneg = ETH_LINK_FIXED;
2448         }
2449
2450         return rte_eth_linkstatus_set(dev, &link);
2451 }
2452
2453 /*
2454  * igb_hw_control_acquire sets CTRL_EXT:DRV_LOAD bit.
2455  * For ASF and Pass Through versions of f/w this means
2456  * that the driver is loaded.
2457  */
2458 static void
2459 igb_hw_control_acquire(struct e1000_hw *hw)
2460 {
2461         uint32_t ctrl_ext;
2462
2463         /* Let firmware know the driver has taken over */
2464         ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
2465         E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
2466 }
2467
2468 /*
2469  * igb_hw_control_release resets CTRL_EXT:DRV_LOAD bit.
2470  * For ASF and Pass Through versions of f/w this means that the
2471  * driver is no longer loaded.
2472  */
2473 static void
2474 igb_hw_control_release(struct e1000_hw *hw)
2475 {
2476         uint32_t ctrl_ext;
2477
2478         /* Let firmware taken over control of h/w */
2479         ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
2480         E1000_WRITE_REG(hw, E1000_CTRL_EXT,
2481                         ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
2482 }
2483
2484 /*
2485  * Bit of a misnomer, what this really means is
2486  * to enable OS management of the system... aka
2487  * to disable special hardware management features.
2488  */
2489 static void
2490 igb_init_manageability(struct e1000_hw *hw)
2491 {
2492         if (e1000_enable_mng_pass_thru(hw)) {
2493                 uint32_t manc2h = E1000_READ_REG(hw, E1000_MANC2H);
2494                 uint32_t manc = E1000_READ_REG(hw, E1000_MANC);
2495
2496                 /* disable hardware interception of ARP */
2497                 manc &= ~(E1000_MANC_ARP_EN);
2498
2499                 /* enable receiving management packets to the host */
2500                 manc |= E1000_MANC_EN_MNG2HOST;
2501                 manc2h |= 1 << 5;  /* Mng Port 623 */
2502                 manc2h |= 1 << 6;  /* Mng Port 664 */
2503                 E1000_WRITE_REG(hw, E1000_MANC2H, manc2h);
2504                 E1000_WRITE_REG(hw, E1000_MANC, manc);
2505         }
2506 }
2507
2508 static void
2509 igb_release_manageability(struct e1000_hw *hw)
2510 {
2511         if (e1000_enable_mng_pass_thru(hw)) {
2512                 uint32_t manc = E1000_READ_REG(hw, E1000_MANC);
2513
2514                 manc |= E1000_MANC_ARP_EN;
2515                 manc &= ~E1000_MANC_EN_MNG2HOST;
2516
2517                 E1000_WRITE_REG(hw, E1000_MANC, manc);
2518         }
2519 }
2520
2521 static int
2522 eth_igb_promiscuous_enable(struct rte_eth_dev *dev)
2523 {
2524         struct e1000_hw *hw =
2525                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2526         uint32_t rctl;
2527
2528         rctl = E1000_READ_REG(hw, E1000_RCTL);
2529         rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
2530         E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2531
2532         return 0;
2533 }
2534
2535 static int
2536 eth_igb_promiscuous_disable(struct rte_eth_dev *dev)
2537 {
2538         struct e1000_hw *hw =
2539                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2540         uint32_t rctl;
2541
2542         rctl = E1000_READ_REG(hw, E1000_RCTL);
2543         rctl &= (~E1000_RCTL_UPE);
2544         if (dev->data->all_multicast == 1)
2545                 rctl |= E1000_RCTL_MPE;
2546         else
2547                 rctl &= (~E1000_RCTL_MPE);
2548         E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2549
2550         return 0;
2551 }
2552
2553 static int
2554 eth_igb_allmulticast_enable(struct rte_eth_dev *dev)
2555 {
2556         struct e1000_hw *hw =
2557                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2558         uint32_t rctl;
2559
2560         rctl = E1000_READ_REG(hw, E1000_RCTL);
2561         rctl |= E1000_RCTL_MPE;
2562         E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2563
2564         return 0;
2565 }
2566
2567 static int
2568 eth_igb_allmulticast_disable(struct rte_eth_dev *dev)
2569 {
2570         struct e1000_hw *hw =
2571                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2572         uint32_t rctl;
2573
2574         if (dev->data->promiscuous == 1)
2575                 return 0; /* must remain in all_multicast mode */
2576         rctl = E1000_READ_REG(hw, E1000_RCTL);
2577         rctl &= (~E1000_RCTL_MPE);
2578         E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2579
2580         return 0;
2581 }
2582
2583 static int
2584 eth_igb_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
2585 {
2586         struct e1000_hw *hw =
2587                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2588         struct e1000_vfta * shadow_vfta =
2589                 E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
2590         uint32_t vfta;
2591         uint32_t vid_idx;
2592         uint32_t vid_bit;
2593
2594         vid_idx = (uint32_t) ((vlan_id >> E1000_VFTA_ENTRY_SHIFT) &
2595                               E1000_VFTA_ENTRY_MASK);
2596         vid_bit = (uint32_t) (1 << (vlan_id & E1000_VFTA_ENTRY_BIT_SHIFT_MASK));
2597         vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, vid_idx);
2598         if (on)
2599                 vfta |= vid_bit;
2600         else
2601                 vfta &= ~vid_bit;
2602         E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, vid_idx, vfta);
2603
2604         /* update local VFTA copy */
2605         shadow_vfta->vfta[vid_idx] = vfta;
2606
2607         return 0;
2608 }
2609
2610 static int
2611 eth_igb_vlan_tpid_set(struct rte_eth_dev *dev,
2612                       enum rte_vlan_type vlan_type,
2613                       uint16_t tpid)
2614 {
2615         struct e1000_hw *hw =
2616                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2617         uint32_t reg, qinq;
2618
2619         qinq = E1000_READ_REG(hw, E1000_CTRL_EXT);
2620         qinq &= E1000_CTRL_EXT_EXT_VLAN;
2621
2622         /* only outer TPID of double VLAN can be configured*/
2623         if (qinq && vlan_type == ETH_VLAN_TYPE_OUTER) {
2624                 reg = E1000_READ_REG(hw, E1000_VET);
2625                 reg = (reg & (~E1000_VET_VET_EXT)) |
2626                         ((uint32_t)tpid << E1000_VET_VET_EXT_SHIFT);
2627                 E1000_WRITE_REG(hw, E1000_VET, reg);
2628
2629                 return 0;
2630         }
2631
2632         /* all other TPID values are read-only*/
2633         PMD_DRV_LOG(ERR, "Not supported");
2634
2635         return -ENOTSUP;
2636 }
2637
2638 static void
2639 igb_vlan_hw_filter_disable(struct rte_eth_dev *dev)
2640 {
2641         struct e1000_hw *hw =
2642                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2643         uint32_t reg;
2644
2645         /* Filter Table Disable */
2646         reg = E1000_READ_REG(hw, E1000_RCTL);
2647         reg &= ~E1000_RCTL_CFIEN;
2648         reg &= ~E1000_RCTL_VFE;
2649         E1000_WRITE_REG(hw, E1000_RCTL, reg);
2650 }
2651
2652 static void
2653 igb_vlan_hw_filter_enable(struct rte_eth_dev *dev)
2654 {
2655         struct e1000_hw *hw =
2656                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2657         struct e1000_vfta * shadow_vfta =
2658                 E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
2659         uint32_t reg;
2660         int i;
2661
2662         /* Filter Table Enable, CFI not used for packet acceptance */
2663         reg = E1000_READ_REG(hw, E1000_RCTL);
2664         reg &= ~E1000_RCTL_CFIEN;
2665         reg |= E1000_RCTL_VFE;
2666         E1000_WRITE_REG(hw, E1000_RCTL, reg);
2667
2668         /* restore VFTA table */
2669         for (i = 0; i < IGB_VFTA_SIZE; i++)
2670                 E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, i, shadow_vfta->vfta[i]);
2671 }
2672
2673 static void
2674 igb_vlan_hw_strip_disable(struct rte_eth_dev *dev)
2675 {
2676         struct e1000_hw *hw =
2677                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2678         uint32_t reg;
2679
2680         /* VLAN Mode Disable */
2681         reg = E1000_READ_REG(hw, E1000_CTRL);
2682         reg &= ~E1000_CTRL_VME;
2683         E1000_WRITE_REG(hw, E1000_CTRL, reg);
2684 }
2685
2686 static void
2687 igb_vlan_hw_strip_enable(struct rte_eth_dev *dev)
2688 {
2689         struct e1000_hw *hw =
2690                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2691         uint32_t reg;
2692
2693         /* VLAN Mode Enable */
2694         reg = E1000_READ_REG(hw, E1000_CTRL);
2695         reg |= E1000_CTRL_VME;
2696         E1000_WRITE_REG(hw, E1000_CTRL, reg);
2697 }
2698
2699 static void
2700 igb_vlan_hw_extend_disable(struct rte_eth_dev *dev)
2701 {
2702         struct e1000_hw *hw =
2703                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2704         uint32_t reg;
2705
2706         /* CTRL_EXT: Extended VLAN */
2707         reg = E1000_READ_REG(hw, E1000_CTRL_EXT);
2708         reg &= ~E1000_CTRL_EXT_EXTEND_VLAN;
2709         E1000_WRITE_REG(hw, E1000_CTRL_EXT, reg);
2710
2711         /* Update maximum packet length */
2712         if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME)
2713                 E1000_WRITE_REG(hw, E1000_RLPML,
2714                         dev->data->dev_conf.rxmode.max_rx_pkt_len +
2715                                                 VLAN_TAG_SIZE);
2716 }
2717
2718 static void
2719 igb_vlan_hw_extend_enable(struct rte_eth_dev *dev)
2720 {
2721         struct e1000_hw *hw =
2722                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2723         uint32_t reg;
2724
2725         /* CTRL_EXT: Extended VLAN */
2726         reg = E1000_READ_REG(hw, E1000_CTRL_EXT);
2727         reg |= E1000_CTRL_EXT_EXTEND_VLAN;
2728         E1000_WRITE_REG(hw, E1000_CTRL_EXT, reg);
2729
2730         /* Update maximum packet length */
2731         if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME)
2732                 E1000_WRITE_REG(hw, E1000_RLPML,
2733                         dev->data->dev_conf.rxmode.max_rx_pkt_len +
2734                                                 2 * VLAN_TAG_SIZE);
2735 }
2736
2737 static int
2738 eth_igb_vlan_offload_set(struct rte_eth_dev *dev, int mask)
2739 {
2740         struct rte_eth_rxmode *rxmode;
2741
2742         rxmode = &dev->data->dev_conf.rxmode;
2743         if(mask & ETH_VLAN_STRIP_MASK){
2744                 if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_STRIP)
2745                         igb_vlan_hw_strip_enable(dev);
2746                 else
2747                         igb_vlan_hw_strip_disable(dev);
2748         }
2749
2750         if(mask & ETH_VLAN_FILTER_MASK){
2751                 if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_FILTER)
2752                         igb_vlan_hw_filter_enable(dev);
2753                 else
2754                         igb_vlan_hw_filter_disable(dev);
2755         }
2756
2757         if(mask & ETH_VLAN_EXTEND_MASK){
2758                 if (rxmode->offloads & DEV_RX_OFFLOAD_VLAN_EXTEND)
2759                         igb_vlan_hw_extend_enable(dev);
2760                 else
2761                         igb_vlan_hw_extend_disable(dev);
2762         }
2763
2764         return 0;
2765 }
2766
2767
2768 /**
2769  * It enables the interrupt mask and then enable the interrupt.
2770  *
2771  * @param dev
2772  *  Pointer to struct rte_eth_dev.
2773  * @param on
2774  *  Enable or Disable
2775  *
2776  * @return
2777  *  - On success, zero.
2778  *  - On failure, a negative value.
2779  */
2780 static int
2781 eth_igb_lsc_interrupt_setup(struct rte_eth_dev *dev, uint8_t on)
2782 {
2783         struct e1000_interrupt *intr =
2784                 E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2785
2786         if (on)
2787                 intr->mask |= E1000_ICR_LSC;
2788         else
2789                 intr->mask &= ~E1000_ICR_LSC;
2790
2791         return 0;
2792 }
2793
2794 /* It clears the interrupt causes and enables the interrupt.
2795  * It will be called once only during nic initialized.
2796  *
2797  * @param dev
2798  *  Pointer to struct rte_eth_dev.
2799  *
2800  * @return
2801  *  - On success, zero.
2802  *  - On failure, a negative value.
2803  */
2804 static int eth_igb_rxq_interrupt_setup(struct rte_eth_dev *dev)
2805 {
2806         uint32_t mask, regval;
2807         int ret;
2808         struct e1000_hw *hw =
2809                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2810         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2811         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
2812         int misc_shift = rte_intr_allow_others(intr_handle) ? 1 : 0;
2813         struct rte_eth_dev_info dev_info;
2814
2815         memset(&dev_info, 0, sizeof(dev_info));
2816         ret = eth_igb_infos_get(dev, &dev_info);
2817         if (ret != 0)
2818                 return ret;
2819
2820         mask = (0xFFFFFFFF >> (32 - dev_info.max_rx_queues)) << misc_shift;
2821         regval = E1000_READ_REG(hw, E1000_EIMS);
2822         E1000_WRITE_REG(hw, E1000_EIMS, regval | mask);
2823
2824         return 0;
2825 }
2826
2827 /*
2828  * It reads ICR and gets interrupt causes, check it and set a bit flag
2829  * to update link status.
2830  *
2831  * @param dev
2832  *  Pointer to struct rte_eth_dev.
2833  *
2834  * @return
2835  *  - On success, zero.
2836  *  - On failure, a negative value.
2837  */
2838 static int
2839 eth_igb_interrupt_get_status(struct rte_eth_dev *dev)
2840 {
2841         uint32_t icr;
2842         struct e1000_hw *hw =
2843                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2844         struct e1000_interrupt *intr =
2845                 E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2846
2847         igb_intr_disable(dev);
2848
2849         /* read-on-clear nic registers here */
2850         icr = E1000_READ_REG(hw, E1000_ICR);
2851
2852         intr->flags = 0;
2853         if (icr & E1000_ICR_LSC) {
2854                 intr->flags |= E1000_FLAG_NEED_LINK_UPDATE;
2855         }
2856
2857         if (icr & E1000_ICR_VMMB)
2858                 intr->flags |= E1000_FLAG_MAILBOX;
2859
2860         return 0;
2861 }
2862
2863 /*
2864  * It executes link_update after knowing an interrupt is prsent.
2865  *
2866  * @param dev
2867  *  Pointer to struct rte_eth_dev.
2868  *
2869  * @return
2870  *  - On success, zero.
2871  *  - On failure, a negative value.
2872  */
2873 static int
2874 eth_igb_interrupt_action(struct rte_eth_dev *dev,
2875                          struct rte_intr_handle *intr_handle)
2876 {
2877         struct e1000_hw *hw =
2878                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2879         struct e1000_interrupt *intr =
2880                 E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2881         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
2882         struct rte_eth_link link;
2883         int ret;
2884
2885         if (intr->flags & E1000_FLAG_MAILBOX) {
2886                 igb_pf_mbx_process(dev);
2887                 intr->flags &= ~E1000_FLAG_MAILBOX;
2888         }
2889
2890         igb_intr_enable(dev);
2891         rte_intr_ack(intr_handle);
2892
2893         if (intr->flags & E1000_FLAG_NEED_LINK_UPDATE) {
2894                 intr->flags &= ~E1000_FLAG_NEED_LINK_UPDATE;
2895
2896                 /* set get_link_status to check register later */
2897                 hw->mac.get_link_status = 1;
2898                 ret = eth_igb_link_update(dev, 0);
2899
2900                 /* check if link has changed */
2901                 if (ret < 0)
2902                         return 0;
2903
2904                 rte_eth_linkstatus_get(dev, &link);
2905                 if (link.link_status) {
2906                         PMD_INIT_LOG(INFO,
2907                                      " Port %d: Link Up - speed %u Mbps - %s",
2908                                      dev->data->port_id,
2909                                      (unsigned)link.link_speed,
2910                                      link.link_duplex == ETH_LINK_FULL_DUPLEX ?
2911                                      "full-duplex" : "half-duplex");
2912                 } else {
2913                         PMD_INIT_LOG(INFO, " Port %d: Link Down",
2914                                      dev->data->port_id);
2915                 }
2916
2917                 PMD_INIT_LOG(DEBUG, "PCI Address: %04d:%02d:%02d:%d",
2918                              pci_dev->addr.domain,
2919                              pci_dev->addr.bus,
2920                              pci_dev->addr.devid,
2921                              pci_dev->addr.function);
2922                 _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC,
2923                                               NULL);
2924         }
2925
2926         return 0;
2927 }
2928
2929 /**
2930  * Interrupt handler which shall be registered at first.
2931  *
2932  * @param handle
2933  *  Pointer to interrupt handle.
2934  * @param param
2935  *  The address of parameter (struct rte_eth_dev *) regsitered before.
2936  *
2937  * @return
2938  *  void
2939  */
2940 static void
2941 eth_igb_interrupt_handler(void *param)
2942 {
2943         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
2944
2945         eth_igb_interrupt_get_status(dev);
2946         eth_igb_interrupt_action(dev, dev->intr_handle);
2947 }
2948
2949 static int
2950 eth_igbvf_interrupt_get_status(struct rte_eth_dev *dev)
2951 {
2952         uint32_t eicr;
2953         struct e1000_hw *hw =
2954                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2955         struct e1000_interrupt *intr =
2956                 E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2957
2958         igbvf_intr_disable(hw);
2959
2960         /* read-on-clear nic registers here */
2961         eicr = E1000_READ_REG(hw, E1000_EICR);
2962         intr->flags = 0;
2963
2964         if (eicr == E1000_VTIVAR_MISC_MAILBOX)
2965                 intr->flags |= E1000_FLAG_MAILBOX;
2966
2967         return 0;
2968 }
2969
2970 void igbvf_mbx_process(struct rte_eth_dev *dev)
2971 {
2972         struct e1000_hw *hw =
2973                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2974         struct e1000_mbx_info *mbx = &hw->mbx;
2975         u32 in_msg = 0;
2976
2977         /* peek the message first */
2978         in_msg = E1000_READ_REG(hw, E1000_VMBMEM(0));
2979
2980         /* PF reset VF event */
2981         if (in_msg == E1000_PF_CONTROL_MSG) {
2982                 /* dummy mbx read to ack pf */
2983                 if (mbx->ops.read(hw, &in_msg, 1, 0))
2984                         return;
2985                 _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET,
2986                                               NULL);
2987         }
2988 }
2989
2990 static int
2991 eth_igbvf_interrupt_action(struct rte_eth_dev *dev, struct rte_intr_handle *intr_handle)
2992 {
2993         struct e1000_interrupt *intr =
2994                 E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2995
2996         if (intr->flags & E1000_FLAG_MAILBOX) {
2997                 igbvf_mbx_process(dev);
2998                 intr->flags &= ~E1000_FLAG_MAILBOX;
2999         }
3000
3001         igbvf_intr_enable(dev);
3002         rte_intr_ack(intr_handle);
3003
3004         return 0;
3005 }
3006
3007 static void
3008 eth_igbvf_interrupt_handler(void *param)
3009 {
3010         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
3011
3012         eth_igbvf_interrupt_get_status(dev);
3013         eth_igbvf_interrupt_action(dev, dev->intr_handle);
3014 }
3015
3016 static int
3017 eth_igb_led_on(struct rte_eth_dev *dev)
3018 {
3019         struct e1000_hw *hw;
3020
3021         hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3022         return e1000_led_on(hw) == E1000_SUCCESS ? 0 : -ENOTSUP;
3023 }
3024
3025 static int
3026 eth_igb_led_off(struct rte_eth_dev *dev)
3027 {
3028         struct e1000_hw *hw;
3029
3030         hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3031         return e1000_led_off(hw) == E1000_SUCCESS ? 0 : -ENOTSUP;
3032 }
3033
3034 static int
3035 eth_igb_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
3036 {
3037         struct e1000_hw *hw;
3038         uint32_t ctrl;
3039         int tx_pause;
3040         int rx_pause;
3041
3042         hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3043         fc_conf->pause_time = hw->fc.pause_time;
3044         fc_conf->high_water = hw->fc.high_water;
3045         fc_conf->low_water = hw->fc.low_water;
3046         fc_conf->send_xon = hw->fc.send_xon;
3047         fc_conf->autoneg = hw->mac.autoneg;
3048
3049         /*
3050          * Return rx_pause and tx_pause status according to actual setting of
3051          * the TFCE and RFCE bits in the CTRL register.
3052          */
3053         ctrl = E1000_READ_REG(hw, E1000_CTRL);
3054         if (ctrl & E1000_CTRL_TFCE)
3055                 tx_pause = 1;
3056         else
3057                 tx_pause = 0;
3058
3059         if (ctrl & E1000_CTRL_RFCE)
3060                 rx_pause = 1;
3061         else
3062                 rx_pause = 0;
3063
3064         if (rx_pause && tx_pause)
3065                 fc_conf->mode = RTE_FC_FULL;
3066         else if (rx_pause)
3067                 fc_conf->mode = RTE_FC_RX_PAUSE;
3068         else if (tx_pause)
3069                 fc_conf->mode = RTE_FC_TX_PAUSE;
3070         else
3071                 fc_conf->mode = RTE_FC_NONE;
3072
3073         return 0;
3074 }
3075
3076 static int
3077 eth_igb_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
3078 {
3079         struct e1000_hw *hw;
3080         int err;
3081         enum e1000_fc_mode rte_fcmode_2_e1000_fcmode[] = {
3082                 e1000_fc_none,
3083                 e1000_fc_rx_pause,
3084                 e1000_fc_tx_pause,
3085                 e1000_fc_full
3086         };
3087         uint32_t rx_buf_size;
3088         uint32_t max_high_water;
3089         uint32_t rctl;
3090
3091         hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3092         if (fc_conf->autoneg != hw->mac.autoneg)
3093                 return -ENOTSUP;
3094         rx_buf_size = igb_get_rx_buffer_size(hw);
3095         PMD_INIT_LOG(DEBUG, "Rx packet buffer size = 0x%x", rx_buf_size);
3096
3097         /* At least reserve one Ethernet frame for watermark */
3098         max_high_water = rx_buf_size - RTE_ETHER_MAX_LEN;
3099         if ((fc_conf->high_water > max_high_water) ||
3100             (fc_conf->high_water < fc_conf->low_water)) {
3101                 PMD_INIT_LOG(ERR, "e1000 incorrect high/low water value");
3102                 PMD_INIT_LOG(ERR, "high water must <=  0x%x", max_high_water);
3103                 return -EINVAL;
3104         }
3105
3106         hw->fc.requested_mode = rte_fcmode_2_e1000_fcmode[fc_conf->mode];
3107         hw->fc.pause_time     = fc_conf->pause_time;
3108         hw->fc.high_water     = fc_conf->high_water;
3109         hw->fc.low_water      = fc_conf->low_water;
3110         hw->fc.send_xon       = fc_conf->send_xon;
3111
3112         err = e1000_setup_link_generic(hw);
3113         if (err == E1000_SUCCESS) {
3114
3115                 /* check if we want to forward MAC frames - driver doesn't have native
3116                  * capability to do that, so we'll write the registers ourselves */
3117
3118                 rctl = E1000_READ_REG(hw, E1000_RCTL);
3119
3120                 /* set or clear MFLCN.PMCF bit depending on configuration */
3121                 if (fc_conf->mac_ctrl_frame_fwd != 0)
3122                         rctl |= E1000_RCTL_PMCF;
3123                 else
3124                         rctl &= ~E1000_RCTL_PMCF;
3125
3126                 E1000_WRITE_REG(hw, E1000_RCTL, rctl);
3127                 E1000_WRITE_FLUSH(hw);
3128
3129                 return 0;
3130         }
3131
3132         PMD_INIT_LOG(ERR, "e1000_setup_link_generic = 0x%x", err);
3133         return -EIO;
3134 }
3135
3136 #define E1000_RAH_POOLSEL_SHIFT      (18)
3137 static int
3138 eth_igb_rar_set(struct rte_eth_dev *dev, struct rte_ether_addr *mac_addr,
3139                 uint32_t index, uint32_t pool)
3140 {
3141         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3142         uint32_t rah;
3143
3144         e1000_rar_set(hw, mac_addr->addr_bytes, index);
3145         rah = E1000_READ_REG(hw, E1000_RAH(index));
3146         rah |= (0x1 << (E1000_RAH_POOLSEL_SHIFT + pool));
3147         E1000_WRITE_REG(hw, E1000_RAH(index), rah);
3148         return 0;
3149 }
3150
3151 static void
3152 eth_igb_rar_clear(struct rte_eth_dev *dev, uint32_t index)
3153 {
3154         uint8_t addr[RTE_ETHER_ADDR_LEN];
3155         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3156
3157         memset(addr, 0, sizeof(addr));
3158
3159         e1000_rar_set(hw, addr, index);
3160 }
3161
3162 static int
3163 eth_igb_default_mac_addr_set(struct rte_eth_dev *dev,
3164                                 struct rte_ether_addr *addr)
3165 {
3166         eth_igb_rar_clear(dev, 0);
3167         eth_igb_rar_set(dev, (void *)addr, 0, 0);
3168
3169         return 0;
3170 }
3171 /*
3172  * Virtual Function operations
3173  */
3174 static void
3175 igbvf_intr_disable(struct e1000_hw *hw)
3176 {
3177         PMD_INIT_FUNC_TRACE();
3178
3179         /* Clear interrupt mask to stop from interrupts being generated */
3180         E1000_WRITE_REG(hw, E1000_EIMC, 0xFFFF);
3181
3182         E1000_WRITE_FLUSH(hw);
3183 }
3184
3185 static void
3186 igbvf_stop_adapter(struct rte_eth_dev *dev)
3187 {
3188         u32 reg_val;
3189         u16 i;
3190         struct rte_eth_dev_info dev_info;
3191         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3192         int ret;
3193
3194         memset(&dev_info, 0, sizeof(dev_info));
3195         ret = eth_igbvf_infos_get(dev, &dev_info);
3196         if (ret != 0)
3197                 return;
3198
3199         /* Clear interrupt mask to stop from interrupts being generated */
3200         igbvf_intr_disable(hw);
3201
3202         /* Clear any pending interrupts, flush previous writes */
3203         E1000_READ_REG(hw, E1000_EICR);
3204
3205         /* Disable the transmit unit.  Each queue must be disabled. */
3206         for (i = 0; i < dev_info.max_tx_queues; i++)
3207                 E1000_WRITE_REG(hw, E1000_TXDCTL(i), E1000_TXDCTL_SWFLSH);
3208
3209         /* Disable the receive unit by stopping each queue */
3210         for (i = 0; i < dev_info.max_rx_queues; i++) {
3211                 reg_val = E1000_READ_REG(hw, E1000_RXDCTL(i));
3212                 reg_val &= ~E1000_RXDCTL_QUEUE_ENABLE;
3213                 E1000_WRITE_REG(hw, E1000_RXDCTL(i), reg_val);
3214                 while (E1000_READ_REG(hw, E1000_RXDCTL(i)) & E1000_RXDCTL_QUEUE_ENABLE)
3215                         ;
3216         }
3217
3218         /* flush all queues disables */
3219         E1000_WRITE_FLUSH(hw);
3220         msec_delay(2);
3221 }
3222
3223 static int eth_igbvf_link_update(struct e1000_hw *hw)
3224 {
3225         struct e1000_mbx_info *mbx = &hw->mbx;
3226         struct e1000_mac_info *mac = &hw->mac;
3227         int ret_val = E1000_SUCCESS;
3228
3229         PMD_INIT_LOG(DEBUG, "e1000_check_for_link_vf");
3230
3231         /*
3232          * We only want to run this if there has been a rst asserted.
3233          * in this case that could mean a link change, device reset,
3234          * or a virtual function reset
3235          */
3236
3237         /* If we were hit with a reset or timeout drop the link */
3238         if (!e1000_check_for_rst(hw, 0) || !mbx->timeout)
3239                 mac->get_link_status = TRUE;
3240
3241         if (!mac->get_link_status)
3242                 goto out;
3243
3244         /* if link status is down no point in checking to see if pf is up */
3245         if (!(E1000_READ_REG(hw, E1000_STATUS) & E1000_STATUS_LU))
3246                 goto out;
3247
3248         /* if we passed all the tests above then the link is up and we no
3249          * longer need to check for link */
3250         mac->get_link_status = FALSE;
3251
3252 out:
3253         return ret_val;
3254 }
3255
3256
3257 static int
3258 igbvf_dev_configure(struct rte_eth_dev *dev)
3259 {
3260         struct rte_eth_conf* conf = &dev->data->dev_conf;
3261
3262         PMD_INIT_LOG(DEBUG, "Configured Virtual Function port id: %d",
3263                      dev->data->port_id);
3264
3265         if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG)
3266                 dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH;
3267
3268         /*
3269          * VF has no ability to enable/disable HW CRC
3270          * Keep the persistent behavior the same as Host PF
3271          */
3272 #ifndef RTE_LIBRTE_E1000_PF_DISABLE_STRIP_CRC
3273         if (conf->rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC) {
3274                 PMD_INIT_LOG(NOTICE, "VF can't disable HW CRC Strip");
3275                 conf->rxmode.offloads &= ~DEV_RX_OFFLOAD_KEEP_CRC;
3276         }
3277 #else
3278         if (!(conf->rxmode.offloads & DEV_RX_OFFLOAD_KEEP_CRC)) {
3279                 PMD_INIT_LOG(NOTICE, "VF can't enable HW CRC Strip");
3280                 conf->rxmode.offloads |= DEV_RX_OFFLOAD_KEEP_CRC;
3281         }
3282 #endif
3283
3284         return 0;
3285 }
3286
3287 static int
3288 igbvf_dev_start(struct rte_eth_dev *dev)
3289 {
3290         struct e1000_hw *hw =
3291                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3292         struct e1000_adapter *adapter =
3293                 E1000_DEV_PRIVATE(dev->data->dev_private);
3294         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
3295         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
3296         int ret;
3297         uint32_t intr_vector = 0;
3298
3299         PMD_INIT_FUNC_TRACE();
3300
3301         hw->mac.ops.reset_hw(hw);
3302         adapter->stopped = 0;
3303
3304         /* Set all vfta */
3305         igbvf_set_vfta_all(dev,1);
3306
3307         eth_igbvf_tx_init(dev);
3308
3309         /* This can fail when allocating mbufs for descriptor rings */
3310         ret = eth_igbvf_rx_init(dev);
3311         if (ret) {
3312                 PMD_INIT_LOG(ERR, "Unable to initialize RX hardware");
3313                 igb_dev_clear_queues(dev);
3314                 return ret;
3315         }
3316
3317         /* check and configure queue intr-vector mapping */
3318         if (rte_intr_cap_multiple(intr_handle) &&
3319             dev->data->dev_conf.intr_conf.rxq) {
3320                 intr_vector = dev->data->nb_rx_queues;
3321                 ret = rte_intr_efd_enable(intr_handle, intr_vector);
3322                 if (ret)
3323                         return ret;
3324         }
3325
3326         if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
3327                 intr_handle->intr_vec =
3328                         rte_zmalloc("intr_vec",
3329                                     dev->data->nb_rx_queues * sizeof(int), 0);
3330                 if (!intr_handle->intr_vec) {
3331                         PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
3332                                      " intr_vec", dev->data->nb_rx_queues);
3333                         return -ENOMEM;
3334                 }
3335         }
3336
3337         eth_igbvf_configure_msix_intr(dev);
3338
3339         /* enable uio/vfio intr/eventfd mapping */
3340         rte_intr_enable(intr_handle);
3341
3342         /* resume enabled intr since hw reset */
3343         igbvf_intr_enable(dev);
3344
3345         return 0;
3346 }
3347
3348 static void
3349 igbvf_dev_stop(struct rte_eth_dev *dev)
3350 {
3351         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
3352         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
3353         struct e1000_adapter *adapter =
3354                 E1000_DEV_PRIVATE(dev->data->dev_private);
3355
3356         if (adapter->stopped)
3357                 return;
3358
3359         PMD_INIT_FUNC_TRACE();
3360
3361         igbvf_stop_adapter(dev);
3362
3363         /*
3364           * Clear what we set, but we still keep shadow_vfta to
3365           * restore after device starts
3366           */
3367         igbvf_set_vfta_all(dev,0);
3368
3369         igb_dev_clear_queues(dev);
3370
3371         /* disable intr eventfd mapping */
3372         rte_intr_disable(intr_handle);
3373
3374         /* Clean datapath event and queue/vec mapping */
3375         rte_intr_efd_disable(intr_handle);
3376         if (intr_handle->intr_vec) {
3377                 rte_free(intr_handle->intr_vec);
3378                 intr_handle->intr_vec = NULL;
3379         }
3380
3381         adapter->stopped = true;
3382 }
3383
3384 static void
3385 igbvf_dev_close(struct rte_eth_dev *dev)
3386 {
3387         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3388         struct rte_ether_addr addr;
3389         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
3390
3391         PMD_INIT_FUNC_TRACE();
3392
3393         e1000_reset_hw(hw);
3394
3395         igbvf_dev_stop(dev);
3396
3397         igb_dev_free_queues(dev);
3398
3399         /**
3400          * reprogram the RAR with a zero mac address,
3401          * to ensure that the VF traffic goes to the PF
3402          * after stop, close and detach of the VF.
3403          **/
3404
3405         memset(&addr, 0, sizeof(addr));
3406         igbvf_default_mac_addr_set(dev, &addr);
3407
3408         dev->dev_ops = NULL;
3409         dev->rx_pkt_burst = NULL;
3410         dev->tx_pkt_burst = NULL;
3411
3412         rte_intr_callback_unregister(&pci_dev->intr_handle,
3413                                      eth_igbvf_interrupt_handler,
3414                                      (void *)dev);
3415 }
3416
3417 static int
3418 igbvf_promiscuous_enable(struct rte_eth_dev *dev)
3419 {
3420         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3421
3422         /* Set both unicast and multicast promisc */
3423         e1000_promisc_set_vf(hw, e1000_promisc_enabled);
3424
3425         return 0;
3426 }
3427
3428 static int
3429 igbvf_promiscuous_disable(struct rte_eth_dev *dev)
3430 {
3431         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3432
3433         /* If in allmulticast mode leave multicast promisc */
3434         if (dev->data->all_multicast == 1)
3435                 e1000_promisc_set_vf(hw, e1000_promisc_multicast);
3436         else
3437                 e1000_promisc_set_vf(hw, e1000_promisc_disabled);
3438
3439         return 0;
3440 }
3441
3442 static int
3443 igbvf_allmulticast_enable(struct rte_eth_dev *dev)
3444 {
3445         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3446
3447         /* In promiscuous mode multicast promisc already set */
3448         if (dev->data->promiscuous == 0)
3449                 e1000_promisc_set_vf(hw, e1000_promisc_multicast);
3450
3451         return 0;
3452 }
3453
3454 static int
3455 igbvf_allmulticast_disable(struct rte_eth_dev *dev)
3456 {
3457         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3458
3459         /* In promiscuous mode leave multicast promisc enabled */
3460         if (dev->data->promiscuous == 0)
3461                 e1000_promisc_set_vf(hw, e1000_promisc_disabled);
3462
3463         return 0;
3464 }
3465
3466 static int igbvf_set_vfta(struct e1000_hw *hw, uint16_t vid, bool on)
3467 {
3468         struct e1000_mbx_info *mbx = &hw->mbx;
3469         uint32_t msgbuf[2];
3470         s32 err;
3471
3472         /* After set vlan, vlan strip will also be enabled in igb driver*/
3473         msgbuf[0] = E1000_VF_SET_VLAN;
3474         msgbuf[1] = vid;
3475         /* Setting the 8 bit field MSG INFO to TRUE indicates "add" */
3476         if (on)
3477                 msgbuf[0] |= E1000_VF_SET_VLAN_ADD;
3478
3479         err = mbx->ops.write_posted(hw, msgbuf, 2, 0);
3480         if (err)
3481                 goto mbx_err;
3482
3483         err = mbx->ops.read_posted(hw, msgbuf, 2, 0);
3484         if (err)
3485                 goto mbx_err;
3486
3487         msgbuf[0] &= ~E1000_VT_MSGTYPE_CTS;
3488         if (msgbuf[0] == (E1000_VF_SET_VLAN | E1000_VT_MSGTYPE_NACK))
3489                 err = -EINVAL;
3490
3491 mbx_err:
3492         return err;
3493 }
3494
3495 static void igbvf_set_vfta_all(struct rte_eth_dev *dev, bool on)
3496 {
3497         struct e1000_hw *hw =
3498                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3499         struct e1000_vfta * shadow_vfta =
3500                 E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
3501         int i = 0, j = 0, vfta = 0, mask = 1;
3502
3503         for (i = 0; i < IGB_VFTA_SIZE; i++){
3504                 vfta = shadow_vfta->vfta[i];
3505                 if(vfta){
3506                         mask = 1;
3507                         for (j = 0; j < 32; j++){
3508                                 if(vfta & mask)
3509                                         igbvf_set_vfta(hw,
3510                                                 (uint16_t)((i<<5)+j), on);
3511                                 mask<<=1;
3512                         }
3513                 }
3514         }
3515
3516 }
3517
3518 static int
3519 igbvf_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
3520 {
3521         struct e1000_hw *hw =
3522                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3523         struct e1000_vfta * shadow_vfta =
3524                 E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
3525         uint32_t vid_idx = 0;
3526         uint32_t vid_bit = 0;
3527         int ret = 0;
3528
3529         PMD_INIT_FUNC_TRACE();
3530
3531         /*vind is not used in VF driver, set to 0, check ixgbe_set_vfta_vf*/
3532         ret = igbvf_set_vfta(hw, vlan_id, !!on);
3533         if(ret){
3534                 PMD_INIT_LOG(ERR, "Unable to set VF vlan");
3535                 return ret;
3536         }
3537         vid_idx = (uint32_t) ((vlan_id >> 5) & 0x7F);
3538         vid_bit = (uint32_t) (1 << (vlan_id & 0x1F));
3539
3540         /*Save what we set and retore it after device reset*/
3541         if (on)
3542                 shadow_vfta->vfta[vid_idx] |= vid_bit;
3543         else
3544                 shadow_vfta->vfta[vid_idx] &= ~vid_bit;
3545
3546         return 0;
3547 }
3548
3549 static int
3550 igbvf_default_mac_addr_set(struct rte_eth_dev *dev, struct rte_ether_addr *addr)
3551 {
3552         struct e1000_hw *hw =
3553                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3554
3555         /* index is not used by rar_set() */
3556         hw->mac.ops.rar_set(hw, (void *)addr, 0);
3557         return 0;
3558 }
3559
3560
3561 static int
3562 eth_igb_rss_reta_update(struct rte_eth_dev *dev,
3563                         struct rte_eth_rss_reta_entry64 *reta_conf,
3564                         uint16_t reta_size)
3565 {
3566         uint8_t i, j, mask;
3567         uint32_t reta, r;
3568         uint16_t idx, shift;
3569         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3570
3571         if (reta_size != ETH_RSS_RETA_SIZE_128) {
3572                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
3573                         "(%d) doesn't match the number hardware can supported "
3574                         "(%d)", reta_size, ETH_RSS_RETA_SIZE_128);
3575                 return -EINVAL;
3576         }
3577
3578         for (i = 0; i < reta_size; i += IGB_4_BIT_WIDTH) {
3579                 idx = i / RTE_RETA_GROUP_SIZE;
3580                 shift = i % RTE_RETA_GROUP_SIZE;
3581                 mask = (uint8_t)((reta_conf[idx].mask >> shift) &
3582                                                 IGB_4_BIT_MASK);
3583                 if (!mask)
3584                         continue;
3585                 if (mask == IGB_4_BIT_MASK)
3586                         r = 0;
3587                 else
3588                         r = E1000_READ_REG(hw, E1000_RETA(i >> 2));
3589                 for (j = 0, reta = 0; j < IGB_4_BIT_WIDTH; j++) {
3590                         if (mask & (0x1 << j))
3591                                 reta |= reta_conf[idx].reta[shift + j] <<
3592                                                         (CHAR_BIT * j);
3593                         else
3594                                 reta |= r & (IGB_8_BIT_MASK << (CHAR_BIT * j));
3595                 }
3596                 E1000_WRITE_REG(hw, E1000_RETA(i >> 2), reta);
3597         }
3598
3599         return 0;
3600 }
3601
3602 static int
3603 eth_igb_rss_reta_query(struct rte_eth_dev *dev,
3604                        struct rte_eth_rss_reta_entry64 *reta_conf,
3605                        uint16_t reta_size)
3606 {
3607         uint8_t i, j, mask;
3608         uint32_t reta;
3609         uint16_t idx, shift;
3610         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3611
3612         if (reta_size != ETH_RSS_RETA_SIZE_128) {
3613                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
3614                         "(%d) doesn't match the number hardware can supported "
3615                         "(%d)", reta_size, ETH_RSS_RETA_SIZE_128);
3616                 return -EINVAL;
3617         }
3618
3619         for (i = 0; i < reta_size; i += IGB_4_BIT_WIDTH) {
3620                 idx = i / RTE_RETA_GROUP_SIZE;
3621                 shift = i % RTE_RETA_GROUP_SIZE;
3622                 mask = (uint8_t)((reta_conf[idx].mask >> shift) &
3623                                                 IGB_4_BIT_MASK);
3624                 if (!mask)
3625                         continue;
3626                 reta = E1000_READ_REG(hw, E1000_RETA(i >> 2));
3627                 for (j = 0; j < IGB_4_BIT_WIDTH; j++) {
3628                         if (mask & (0x1 << j))
3629                                 reta_conf[idx].reta[shift + j] =
3630                                         ((reta >> (CHAR_BIT * j)) &
3631                                                 IGB_8_BIT_MASK);
3632                 }
3633         }
3634
3635         return 0;
3636 }
3637
3638 int
3639 eth_igb_syn_filter_set(struct rte_eth_dev *dev,
3640                         struct rte_eth_syn_filter *filter,
3641                         bool add)
3642 {
3643         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3644         struct e1000_filter_info *filter_info =
3645                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
3646         uint32_t synqf, rfctl;
3647
3648         if (filter->queue >= IGB_MAX_RX_QUEUE_NUM)
3649                 return -EINVAL;
3650
3651         synqf = E1000_READ_REG(hw, E1000_SYNQF(0));
3652
3653         if (add) {
3654                 if (synqf & E1000_SYN_FILTER_ENABLE)
3655                         return -EINVAL;
3656
3657                 synqf = (uint32_t)(((filter->queue << E1000_SYN_FILTER_QUEUE_SHIFT) &
3658                         E1000_SYN_FILTER_QUEUE) | E1000_SYN_FILTER_ENABLE);
3659
3660                 rfctl = E1000_READ_REG(hw, E1000_RFCTL);
3661                 if (filter->hig_pri)
3662                         rfctl |= E1000_RFCTL_SYNQFP;
3663                 else
3664                         rfctl &= ~E1000_RFCTL_SYNQFP;
3665
3666                 E1000_WRITE_REG(hw, E1000_RFCTL, rfctl);
3667         } else {
3668                 if (!(synqf & E1000_SYN_FILTER_ENABLE))
3669                         return -ENOENT;
3670                 synqf = 0;
3671         }
3672
3673         filter_info->syn_info = synqf;
3674         E1000_WRITE_REG(hw, E1000_SYNQF(0), synqf);
3675         E1000_WRITE_FLUSH(hw);
3676         return 0;
3677 }
3678
3679 static int
3680 eth_igb_syn_filter_get(struct rte_eth_dev *dev,
3681                         struct rte_eth_syn_filter *filter)
3682 {
3683         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3684         uint32_t synqf, rfctl;
3685
3686         synqf = E1000_READ_REG(hw, E1000_SYNQF(0));
3687         if (synqf & E1000_SYN_FILTER_ENABLE) {
3688                 rfctl = E1000_READ_REG(hw, E1000_RFCTL);
3689                 filter->hig_pri = (rfctl & E1000_RFCTL_SYNQFP) ? 1 : 0;
3690                 filter->queue = (uint8_t)((synqf & E1000_SYN_FILTER_QUEUE) >>
3691                                 E1000_SYN_FILTER_QUEUE_SHIFT);
3692                 return 0;
3693         }
3694
3695         return -ENOENT;
3696 }
3697
3698 static int
3699 eth_igb_syn_filter_handle(struct rte_eth_dev *dev,
3700                         enum rte_filter_op filter_op,
3701                         void *arg)
3702 {
3703         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3704         int ret;
3705
3706         MAC_TYPE_FILTER_SUP(hw->mac.type);
3707
3708         if (filter_op == RTE_ETH_FILTER_NOP)
3709                 return 0;
3710
3711         if (arg == NULL) {
3712                 PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u",
3713                             filter_op);
3714                 return -EINVAL;
3715         }
3716
3717         switch (filter_op) {
3718         case RTE_ETH_FILTER_ADD:
3719                 ret = eth_igb_syn_filter_set(dev,
3720                                 (struct rte_eth_syn_filter *)arg,
3721                                 TRUE);
3722                 break;
3723         case RTE_ETH_FILTER_DELETE:
3724                 ret = eth_igb_syn_filter_set(dev,
3725                                 (struct rte_eth_syn_filter *)arg,
3726                                 FALSE);
3727                 break;
3728         case RTE_ETH_FILTER_GET:
3729                 ret = eth_igb_syn_filter_get(dev,
3730                                 (struct rte_eth_syn_filter *)arg);
3731                 break;
3732         default:
3733                 PMD_DRV_LOG(ERR, "unsupported operation %u", filter_op);
3734                 ret = -EINVAL;
3735                 break;
3736         }
3737
3738         return ret;
3739 }
3740
3741 /* translate elements in struct rte_eth_ntuple_filter to struct e1000_2tuple_filter_info*/
3742 static inline int
3743 ntuple_filter_to_2tuple(struct rte_eth_ntuple_filter *filter,
3744                         struct e1000_2tuple_filter_info *filter_info)
3745 {
3746         if (filter->queue >= IGB_MAX_RX_QUEUE_NUM)
3747                 return -EINVAL;
3748         if (filter->priority > E1000_2TUPLE_MAX_PRI)
3749                 return -EINVAL;  /* filter index is out of range. */
3750         if (filter->tcp_flags > RTE_NTUPLE_TCP_FLAGS_MASK)
3751                 return -EINVAL;  /* flags is invalid. */
3752
3753         switch (filter->dst_port_mask) {
3754         case UINT16_MAX:
3755                 filter_info->dst_port_mask = 0;
3756                 filter_info->dst_port = filter->dst_port;
3757                 break;
3758         case 0:
3759                 filter_info->dst_port_mask = 1;
3760                 break;
3761         default:
3762                 PMD_DRV_LOG(ERR, "invalid dst_port mask.");
3763                 return -EINVAL;
3764         }
3765
3766         switch (filter->proto_mask) {
3767         case UINT8_MAX:
3768                 filter_info->proto_mask = 0;
3769                 filter_info->proto = filter->proto;
3770                 break;
3771         case 0:
3772                 filter_info->proto_mask = 1;
3773                 break;
3774         default:
3775                 PMD_DRV_LOG(ERR, "invalid protocol mask.");
3776                 return -EINVAL;
3777         }
3778
3779         filter_info->priority = (uint8_t)filter->priority;
3780         if (filter->flags & RTE_NTUPLE_FLAGS_TCP_FLAG)
3781                 filter_info->tcp_flags = filter->tcp_flags;
3782         else
3783                 filter_info->tcp_flags = 0;
3784
3785         return 0;
3786 }
3787
3788 static inline struct e1000_2tuple_filter *
3789 igb_2tuple_filter_lookup(struct e1000_2tuple_filter_list *filter_list,
3790                         struct e1000_2tuple_filter_info *key)
3791 {
3792         struct e1000_2tuple_filter *it;
3793
3794         TAILQ_FOREACH(it, filter_list, entries) {
3795                 if (memcmp(key, &it->filter_info,
3796                         sizeof(struct e1000_2tuple_filter_info)) == 0) {
3797                         return it;
3798                 }
3799         }
3800         return NULL;
3801 }
3802
3803 /* inject a igb 2tuple filter to HW */
3804 static inline void
3805 igb_inject_2uple_filter(struct rte_eth_dev *dev,
3806                            struct e1000_2tuple_filter *filter)
3807 {
3808         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3809         uint32_t ttqf = E1000_TTQF_DISABLE_MASK;
3810         uint32_t imir, imir_ext = E1000_IMIREXT_SIZE_BP;
3811         int i;
3812
3813         i = filter->index;
3814         imir = (uint32_t)(filter->filter_info.dst_port & E1000_IMIR_DSTPORT);
3815         if (filter->filter_info.dst_port_mask == 1) /* 1b means not compare. */
3816                 imir |= E1000_IMIR_PORT_BP;
3817         else
3818                 imir &= ~E1000_IMIR_PORT_BP;
3819
3820         imir |= filter->filter_info.priority << E1000_IMIR_PRIORITY_SHIFT;
3821
3822         ttqf |= E1000_TTQF_QUEUE_ENABLE;
3823         ttqf |= (uint32_t)(filter->queue << E1000_TTQF_QUEUE_SHIFT);
3824         ttqf |= (uint32_t)(filter->filter_info.proto &
3825                                                 E1000_TTQF_PROTOCOL_MASK);
3826         if (filter->filter_info.proto_mask == 0)
3827                 ttqf &= ~E1000_TTQF_MASK_ENABLE;
3828
3829         /* tcp flags bits setting. */
3830         if (filter->filter_info.tcp_flags & RTE_NTUPLE_TCP_FLAGS_MASK) {
3831                 if (filter->filter_info.tcp_flags & RTE_TCP_URG_FLAG)
3832                         imir_ext |= E1000_IMIREXT_CTRL_URG;
3833                 if (filter->filter_info.tcp_flags & RTE_TCP_ACK_FLAG)
3834                         imir_ext |= E1000_IMIREXT_CTRL_ACK;
3835                 if (filter->filter_info.tcp_flags & RTE_TCP_PSH_FLAG)
3836                         imir_ext |= E1000_IMIREXT_CTRL_PSH;
3837                 if (filter->filter_info.tcp_flags & RTE_TCP_RST_FLAG)
3838                         imir_ext |= E1000_IMIREXT_CTRL_RST;
3839                 if (filter->filter_info.tcp_flags & RTE_TCP_SYN_FLAG)
3840                         imir_ext |= E1000_IMIREXT_CTRL_SYN;
3841                 if (filter->filter_info.tcp_flags & RTE_TCP_FIN_FLAG)
3842                         imir_ext |= E1000_IMIREXT_CTRL_FIN;
3843         } else {
3844                 imir_ext |= E1000_IMIREXT_CTRL_BP;
3845         }
3846         E1000_WRITE_REG(hw, E1000_IMIR(i), imir);
3847         E1000_WRITE_REG(hw, E1000_TTQF(i), ttqf);
3848         E1000_WRITE_REG(hw, E1000_IMIREXT(i), imir_ext);
3849 }
3850
3851 /*
3852  * igb_add_2tuple_filter - add a 2tuple filter
3853  *
3854  * @param
3855  * dev: Pointer to struct rte_eth_dev.
3856  * ntuple_filter: ponter to the filter that will be added.
3857  *
3858  * @return
3859  *    - On success, zero.
3860  *    - On failure, a negative value.
3861  */
3862 static int
3863 igb_add_2tuple_filter(struct rte_eth_dev *dev,
3864                         struct rte_eth_ntuple_filter *ntuple_filter)
3865 {
3866         struct e1000_filter_info *filter_info =
3867                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
3868         struct e1000_2tuple_filter *filter;
3869         int i, ret;
3870
3871         filter = rte_zmalloc("e1000_2tuple_filter",
3872                         sizeof(struct e1000_2tuple_filter), 0);
3873         if (filter == NULL)
3874                 return -ENOMEM;
3875
3876         ret = ntuple_filter_to_2tuple(ntuple_filter,
3877                                       &filter->filter_info);
3878         if (ret < 0) {
3879                 rte_free(filter);
3880                 return ret;
3881         }
3882         if (igb_2tuple_filter_lookup(&filter_info->twotuple_list,
3883                                          &filter->filter_info) != NULL) {
3884                 PMD_DRV_LOG(ERR, "filter exists.");
3885                 rte_free(filter);
3886                 return -EEXIST;
3887         }
3888         filter->queue = ntuple_filter->queue;
3889
3890         /*
3891          * look for an unused 2tuple filter index,
3892          * and insert the filter to list.
3893          */
3894         for (i = 0; i < E1000_MAX_TTQF_FILTERS; i++) {
3895                 if (!(filter_info->twotuple_mask & (1 << i))) {
3896                         filter_info->twotuple_mask |= 1 << i;
3897                         filter->index = i;
3898                         TAILQ_INSERT_TAIL(&filter_info->twotuple_list,
3899                                           filter,
3900                                           entries);
3901                         break;
3902                 }
3903         }
3904         if (i >= E1000_MAX_TTQF_FILTERS) {
3905                 PMD_DRV_LOG(ERR, "2tuple filters are full.");
3906                 rte_free(filter);
3907                 return -ENOSYS;
3908         }
3909
3910         igb_inject_2uple_filter(dev, filter);
3911         return 0;
3912 }
3913
3914 int
3915 igb_delete_2tuple_filter(struct rte_eth_dev *dev,
3916                         struct e1000_2tuple_filter *filter)
3917 {
3918         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3919         struct e1000_filter_info *filter_info =
3920                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
3921
3922         filter_info->twotuple_mask &= ~(1 << filter->index);
3923         TAILQ_REMOVE(&filter_info->twotuple_list, filter, entries);
3924         rte_free(filter);
3925
3926         E1000_WRITE_REG(hw, E1000_TTQF(filter->index), E1000_TTQF_DISABLE_MASK);
3927         E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
3928         E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
3929         return 0;
3930 }
3931
3932 /*
3933  * igb_remove_2tuple_filter - remove a 2tuple filter
3934  *
3935  * @param
3936  * dev: Pointer to struct rte_eth_dev.
3937  * ntuple_filter: ponter to the filter that will be removed.
3938  *
3939  * @return
3940  *    - On success, zero.
3941  *    - On failure, a negative value.
3942  */
3943 static int
3944 igb_remove_2tuple_filter(struct rte_eth_dev *dev,
3945                         struct rte_eth_ntuple_filter *ntuple_filter)
3946 {
3947         struct e1000_filter_info *filter_info =
3948                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
3949         struct e1000_2tuple_filter_info filter_2tuple;
3950         struct e1000_2tuple_filter *filter;
3951         int ret;
3952
3953         memset(&filter_2tuple, 0, sizeof(struct e1000_2tuple_filter_info));
3954         ret = ntuple_filter_to_2tuple(ntuple_filter,
3955                                       &filter_2tuple);
3956         if (ret < 0)
3957                 return ret;
3958
3959         filter = igb_2tuple_filter_lookup(&filter_info->twotuple_list,
3960                                          &filter_2tuple);
3961         if (filter == NULL) {
3962                 PMD_DRV_LOG(ERR, "filter doesn't exist.");
3963                 return -ENOENT;
3964         }
3965
3966         igb_delete_2tuple_filter(dev, filter);
3967
3968         return 0;
3969 }
3970
3971 /* inject a igb flex filter to HW */
3972 static inline void
3973 igb_inject_flex_filter(struct rte_eth_dev *dev,
3974                            struct e1000_flex_filter *filter)
3975 {
3976         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3977         uint32_t wufc, queueing;
3978         uint32_t reg_off;
3979         uint8_t i, j = 0;
3980
3981         wufc = E1000_READ_REG(hw, E1000_WUFC);
3982         if (filter->index < E1000_MAX_FHFT)
3983                 reg_off = E1000_FHFT(filter->index);
3984         else
3985                 reg_off = E1000_FHFT_EXT(filter->index - E1000_MAX_FHFT);
3986
3987         E1000_WRITE_REG(hw, E1000_WUFC, wufc | E1000_WUFC_FLEX_HQ |
3988                         (E1000_WUFC_FLX0 << filter->index));
3989         queueing = filter->filter_info.len |
3990                 (filter->queue << E1000_FHFT_QUEUEING_QUEUE_SHIFT) |
3991                 (filter->filter_info.priority <<
3992                         E1000_FHFT_QUEUEING_PRIO_SHIFT);
3993         E1000_WRITE_REG(hw, reg_off + E1000_FHFT_QUEUEING_OFFSET,
3994                         queueing);
3995
3996         for (i = 0; i < E1000_FLEX_FILTERS_MASK_SIZE; i++) {
3997                 E1000_WRITE_REG(hw, reg_off,
3998                                 filter->filter_info.dwords[j]);
3999                 reg_off += sizeof(uint32_t);
4000                 E1000_WRITE_REG(hw, reg_off,
4001                                 filter->filter_info.dwords[++j]);
4002                 reg_off += sizeof(uint32_t);
4003                 E1000_WRITE_REG(hw, reg_off,
4004                         (uint32_t)filter->filter_info.mask[i]);
4005                 reg_off += sizeof(uint32_t) * 2;
4006                 ++j;
4007         }
4008 }
4009
4010 static inline struct e1000_flex_filter *
4011 eth_igb_flex_filter_lookup(struct e1000_flex_filter_list *filter_list,
4012                         struct e1000_flex_filter_info *key)
4013 {
4014         struct e1000_flex_filter *it;
4015
4016         TAILQ_FOREACH(it, filter_list, entries) {
4017                 if (memcmp(key, &it->filter_info,
4018                         sizeof(struct e1000_flex_filter_info)) == 0)
4019                         return it;
4020         }
4021
4022         return NULL;
4023 }
4024
4025 /* remove a flex byte filter
4026  * @param
4027  * dev: Pointer to struct rte_eth_dev.
4028  * filter: the pointer of the filter will be removed.
4029  */
4030 void
4031 igb_remove_flex_filter(struct rte_eth_dev *dev,
4032                         struct e1000_flex_filter *filter)
4033 {
4034         struct e1000_filter_info *filter_info =
4035                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4036         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4037         uint32_t wufc, i;
4038         uint32_t reg_off;
4039
4040         wufc = E1000_READ_REG(hw, E1000_WUFC);
4041         if (filter->index < E1000_MAX_FHFT)
4042                 reg_off = E1000_FHFT(filter->index);
4043         else
4044                 reg_off = E1000_FHFT_EXT(filter->index - E1000_MAX_FHFT);
4045
4046         for (i = 0; i < E1000_FHFT_SIZE_IN_DWD; i++)
4047                 E1000_WRITE_REG(hw, reg_off + i * sizeof(uint32_t), 0);
4048
4049         E1000_WRITE_REG(hw, E1000_WUFC, wufc &
4050                 (~(E1000_WUFC_FLX0 << filter->index)));
4051
4052         filter_info->flex_mask &= ~(1 << filter->index);
4053         TAILQ_REMOVE(&filter_info->flex_list, filter, entries);
4054         rte_free(filter);
4055 }
4056
4057 int
4058 eth_igb_add_del_flex_filter(struct rte_eth_dev *dev,
4059                         struct rte_eth_flex_filter *filter,
4060                         bool add)
4061 {
4062         struct e1000_filter_info *filter_info =
4063                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4064         struct e1000_flex_filter *flex_filter, *it;
4065         uint32_t mask;
4066         uint8_t shift, i;
4067
4068         flex_filter = rte_zmalloc("e1000_flex_filter",
4069                         sizeof(struct e1000_flex_filter), 0);
4070         if (flex_filter == NULL)
4071                 return -ENOMEM;
4072
4073         flex_filter->filter_info.len = filter->len;
4074         flex_filter->filter_info.priority = filter->priority;
4075         memcpy(flex_filter->filter_info.dwords, filter->bytes, filter->len);
4076         for (i = 0; i < RTE_ALIGN(filter->len, CHAR_BIT) / CHAR_BIT; i++) {
4077                 mask = 0;
4078                 /* reverse bits in flex filter's mask*/
4079                 for (shift = 0; shift < CHAR_BIT; shift++) {
4080                         if (filter->mask[i] & (0x01 << shift))
4081                                 mask |= (0x80 >> shift);
4082                 }
4083                 flex_filter->filter_info.mask[i] = mask;
4084         }
4085
4086         it = eth_igb_flex_filter_lookup(&filter_info->flex_list,
4087                                 &flex_filter->filter_info);
4088         if (it == NULL && !add) {
4089                 PMD_DRV_LOG(ERR, "filter doesn't exist.");
4090                 rte_free(flex_filter);
4091                 return -ENOENT;
4092         }
4093         if (it != NULL && add) {
4094                 PMD_DRV_LOG(ERR, "filter exists.");
4095                 rte_free(flex_filter);
4096                 return -EEXIST;
4097         }
4098
4099         if (add) {
4100                 flex_filter->queue = filter->queue;
4101                 /*
4102                  * look for an unused flex filter index
4103                  * and insert the filter into the list.
4104                  */
4105                 for (i = 0; i < E1000_MAX_FLEX_FILTERS; i++) {
4106                         if (!(filter_info->flex_mask & (1 << i))) {
4107                                 filter_info->flex_mask |= 1 << i;
4108                                 flex_filter->index = i;
4109                                 TAILQ_INSERT_TAIL(&filter_info->flex_list,
4110                                         flex_filter,
4111                                         entries);
4112                                 break;
4113                         }
4114                 }
4115                 if (i >= E1000_MAX_FLEX_FILTERS) {
4116                         PMD_DRV_LOG(ERR, "flex filters are full.");
4117                         rte_free(flex_filter);
4118                         return -ENOSYS;
4119                 }
4120
4121                 igb_inject_flex_filter(dev, flex_filter);
4122
4123         } else {
4124                 igb_remove_flex_filter(dev, it);
4125                 rte_free(flex_filter);
4126         }
4127
4128         return 0;
4129 }
4130
4131 static int
4132 eth_igb_get_flex_filter(struct rte_eth_dev *dev,
4133                         struct rte_eth_flex_filter *filter)
4134 {
4135         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4136         struct e1000_filter_info *filter_info =
4137                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4138         struct e1000_flex_filter flex_filter, *it;
4139         uint32_t wufc, queueing, wufc_en = 0;
4140
4141         memset(&flex_filter, 0, sizeof(struct e1000_flex_filter));
4142         flex_filter.filter_info.len = filter->len;
4143         flex_filter.filter_info.priority = filter->priority;
4144         memcpy(flex_filter.filter_info.dwords, filter->bytes, filter->len);
4145         memcpy(flex_filter.filter_info.mask, filter->mask,
4146                         RTE_ALIGN(filter->len, CHAR_BIT) / CHAR_BIT);
4147
4148         it = eth_igb_flex_filter_lookup(&filter_info->flex_list,
4149                                 &flex_filter.filter_info);
4150         if (it == NULL) {
4151                 PMD_DRV_LOG(ERR, "filter doesn't exist.");
4152                 return -ENOENT;
4153         }
4154
4155         wufc = E1000_READ_REG(hw, E1000_WUFC);
4156         wufc_en = E1000_WUFC_FLEX_HQ | (E1000_WUFC_FLX0 << it->index);
4157
4158         if ((wufc & wufc_en) == wufc_en) {
4159                 uint32_t reg_off = 0;
4160                 if (it->index < E1000_MAX_FHFT)
4161                         reg_off = E1000_FHFT(it->index);
4162                 else
4163                         reg_off = E1000_FHFT_EXT(it->index - E1000_MAX_FHFT);
4164
4165                 queueing = E1000_READ_REG(hw,
4166                                 reg_off + E1000_FHFT_QUEUEING_OFFSET);
4167                 filter->len = queueing & E1000_FHFT_QUEUEING_LEN;
4168                 filter->priority = (queueing & E1000_FHFT_QUEUEING_PRIO) >>
4169                         E1000_FHFT_QUEUEING_PRIO_SHIFT;
4170                 filter->queue = (queueing & E1000_FHFT_QUEUEING_QUEUE) >>
4171                         E1000_FHFT_QUEUEING_QUEUE_SHIFT;
4172                 return 0;
4173         }
4174         return -ENOENT;
4175 }
4176
4177 static int
4178 eth_igb_flex_filter_handle(struct rte_eth_dev *dev,
4179                         enum rte_filter_op filter_op,
4180                         void *arg)
4181 {
4182         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4183         struct rte_eth_flex_filter *filter;
4184         int ret = 0;
4185
4186         MAC_TYPE_FILTER_SUP_EXT(hw->mac.type);
4187
4188         if (filter_op == RTE_ETH_FILTER_NOP)
4189                 return ret;
4190
4191         if (arg == NULL) {
4192                 PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u",
4193                             filter_op);
4194                 return -EINVAL;
4195         }
4196
4197         filter = (struct rte_eth_flex_filter *)arg;
4198         if (filter->len == 0 || filter->len > E1000_MAX_FLEX_FILTER_LEN
4199             || filter->len % sizeof(uint64_t) != 0) {
4200                 PMD_DRV_LOG(ERR, "filter's length is out of range");
4201                 return -EINVAL;
4202         }
4203         if (filter->priority > E1000_MAX_FLEX_FILTER_PRI) {
4204                 PMD_DRV_LOG(ERR, "filter's priority is out of range");
4205                 return -EINVAL;
4206         }
4207
4208         switch (filter_op) {
4209         case RTE_ETH_FILTER_ADD:
4210                 ret = eth_igb_add_del_flex_filter(dev, filter, TRUE);
4211                 break;
4212         case RTE_ETH_FILTER_DELETE:
4213                 ret = eth_igb_add_del_flex_filter(dev, filter, FALSE);
4214                 break;
4215         case RTE_ETH_FILTER_GET:
4216                 ret = eth_igb_get_flex_filter(dev, filter);
4217                 break;
4218         default:
4219                 PMD_DRV_LOG(ERR, "unsupported operation %u", filter_op);
4220                 ret = -EINVAL;
4221                 break;
4222         }
4223
4224         return ret;
4225 }
4226
4227 /* translate elements in struct rte_eth_ntuple_filter to struct e1000_5tuple_filter_info*/
4228 static inline int
4229 ntuple_filter_to_5tuple_82576(struct rte_eth_ntuple_filter *filter,
4230                         struct e1000_5tuple_filter_info *filter_info)
4231 {
4232         if (filter->queue >= IGB_MAX_RX_QUEUE_NUM_82576)
4233                 return -EINVAL;
4234         if (filter->priority > E1000_2TUPLE_MAX_PRI)
4235                 return -EINVAL;  /* filter index is out of range. */
4236         if (filter->tcp_flags > RTE_NTUPLE_TCP_FLAGS_MASK)
4237                 return -EINVAL;  /* flags is invalid. */
4238
4239         switch (filter->dst_ip_mask) {
4240         case UINT32_MAX:
4241                 filter_info->dst_ip_mask = 0;
4242                 filter_info->dst_ip = filter->dst_ip;
4243                 break;
4244         case 0:
4245                 filter_info->dst_ip_mask = 1;
4246                 break;
4247         default:
4248                 PMD_DRV_LOG(ERR, "invalid dst_ip mask.");
4249                 return -EINVAL;
4250         }
4251
4252         switch (filter->src_ip_mask) {
4253         case UINT32_MAX:
4254                 filter_info->src_ip_mask = 0;
4255                 filter_info->src_ip = filter->src_ip;
4256                 break;
4257         case 0:
4258                 filter_info->src_ip_mask = 1;
4259                 break;
4260         default:
4261                 PMD_DRV_LOG(ERR, "invalid src_ip mask.");
4262                 return -EINVAL;
4263         }
4264
4265         switch (filter->dst_port_mask) {
4266         case UINT16_MAX:
4267                 filter_info->dst_port_mask = 0;
4268                 filter_info->dst_port = filter->dst_port;
4269                 break;
4270         case 0:
4271                 filter_info->dst_port_mask = 1;
4272                 break;
4273         default:
4274                 PMD_DRV_LOG(ERR, "invalid dst_port mask.");
4275                 return -EINVAL;
4276         }
4277
4278         switch (filter->src_port_mask) {
4279         case UINT16_MAX:
4280                 filter_info->src_port_mask = 0;
4281                 filter_info->src_port = filter->src_port;
4282                 break;
4283         case 0:
4284                 filter_info->src_port_mask = 1;
4285                 break;
4286         default:
4287                 PMD_DRV_LOG(ERR, "invalid src_port mask.");
4288                 return -EINVAL;
4289         }
4290
4291         switch (filter->proto_mask) {
4292         case UINT8_MAX:
4293                 filter_info->proto_mask = 0;
4294                 filter_info->proto = filter->proto;
4295                 break;
4296         case 0:
4297                 filter_info->proto_mask = 1;
4298                 break;
4299         default:
4300                 PMD_DRV_LOG(ERR, "invalid protocol mask.");
4301                 return -EINVAL;
4302         }
4303
4304         filter_info->priority = (uint8_t)filter->priority;
4305         if (filter->flags & RTE_NTUPLE_FLAGS_TCP_FLAG)
4306                 filter_info->tcp_flags = filter->tcp_flags;
4307         else
4308                 filter_info->tcp_flags = 0;
4309
4310         return 0;
4311 }
4312
4313 static inline struct e1000_5tuple_filter *
4314 igb_5tuple_filter_lookup_82576(struct e1000_5tuple_filter_list *filter_list,
4315                         struct e1000_5tuple_filter_info *key)
4316 {
4317         struct e1000_5tuple_filter *it;
4318
4319         TAILQ_FOREACH(it, filter_list, entries) {
4320                 if (memcmp(key, &it->filter_info,
4321                         sizeof(struct e1000_5tuple_filter_info)) == 0) {
4322                         return it;
4323                 }
4324         }
4325         return NULL;
4326 }
4327
4328 /* inject a igb 5-tuple filter to HW */
4329 static inline void
4330 igb_inject_5tuple_filter_82576(struct rte_eth_dev *dev,
4331                            struct e1000_5tuple_filter *filter)
4332 {
4333         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4334         uint32_t ftqf = E1000_FTQF_VF_BP | E1000_FTQF_MASK;
4335         uint32_t spqf, imir, imir_ext = E1000_IMIREXT_SIZE_BP;
4336         uint8_t i;
4337
4338         i = filter->index;
4339         ftqf |= filter->filter_info.proto & E1000_FTQF_PROTOCOL_MASK;
4340         if (filter->filter_info.src_ip_mask == 0) /* 0b means compare. */
4341                 ftqf &= ~E1000_FTQF_MASK_SOURCE_ADDR_BP;
4342         if (filter->filter_info.dst_ip_mask == 0)
4343                 ftqf &= ~E1000_FTQF_MASK_DEST_ADDR_BP;
4344         if (filter->filter_info.src_port_mask == 0)
4345                 ftqf &= ~E1000_FTQF_MASK_SOURCE_PORT_BP;
4346         if (filter->filter_info.proto_mask == 0)
4347                 ftqf &= ~E1000_FTQF_MASK_PROTO_BP;
4348         ftqf |= (filter->queue << E1000_FTQF_QUEUE_SHIFT) &
4349                 E1000_FTQF_QUEUE_MASK;
4350         ftqf |= E1000_FTQF_QUEUE_ENABLE;
4351         E1000_WRITE_REG(hw, E1000_FTQF(i), ftqf);
4352         E1000_WRITE_REG(hw, E1000_DAQF(i), filter->filter_info.dst_ip);
4353         E1000_WRITE_REG(hw, E1000_SAQF(i), filter->filter_info.src_ip);
4354
4355         spqf = filter->filter_info.src_port & E1000_SPQF_SRCPORT;
4356         E1000_WRITE_REG(hw, E1000_SPQF(i), spqf);
4357
4358         imir = (uint32_t)(filter->filter_info.dst_port & E1000_IMIR_DSTPORT);
4359         if (filter->filter_info.dst_port_mask == 1) /* 1b means not compare. */
4360                 imir |= E1000_IMIR_PORT_BP;
4361         else
4362                 imir &= ~E1000_IMIR_PORT_BP;
4363         imir |= filter->filter_info.priority << E1000_IMIR_PRIORITY_SHIFT;
4364
4365         /* tcp flags bits setting. */
4366         if (filter->filter_info.tcp_flags & RTE_NTUPLE_TCP_FLAGS_MASK) {
4367                 if (filter->filter_info.tcp_flags & RTE_TCP_URG_FLAG)
4368                         imir_ext |= E1000_IMIREXT_CTRL_URG;
4369                 if (filter->filter_info.tcp_flags & RTE_TCP_ACK_FLAG)
4370                         imir_ext |= E1000_IMIREXT_CTRL_ACK;
4371                 if (filter->filter_info.tcp_flags & RTE_TCP_PSH_FLAG)
4372                         imir_ext |= E1000_IMIREXT_CTRL_PSH;
4373                 if (filter->filter_info.tcp_flags & RTE_TCP_RST_FLAG)
4374                         imir_ext |= E1000_IMIREXT_CTRL_RST;
4375                 if (filter->filter_info.tcp_flags & RTE_TCP_SYN_FLAG)
4376                         imir_ext |= E1000_IMIREXT_CTRL_SYN;
4377                 if (filter->filter_info.tcp_flags & RTE_TCP_FIN_FLAG)
4378                         imir_ext |= E1000_IMIREXT_CTRL_FIN;
4379         } else {
4380                 imir_ext |= E1000_IMIREXT_CTRL_BP;
4381         }
4382         E1000_WRITE_REG(hw, E1000_IMIR(i), imir);
4383         E1000_WRITE_REG(hw, E1000_IMIREXT(i), imir_ext);
4384 }
4385
4386 /*
4387  * igb_add_5tuple_filter_82576 - add a 5tuple filter
4388  *
4389  * @param
4390  * dev: Pointer to struct rte_eth_dev.
4391  * ntuple_filter: ponter to the filter that will be added.
4392  *
4393  * @return
4394  *    - On success, zero.
4395  *    - On failure, a negative value.
4396  */
4397 static int
4398 igb_add_5tuple_filter_82576(struct rte_eth_dev *dev,
4399                         struct rte_eth_ntuple_filter *ntuple_filter)
4400 {
4401         struct e1000_filter_info *filter_info =
4402                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4403         struct e1000_5tuple_filter *filter;
4404         uint8_t i;
4405         int ret;
4406
4407         filter = rte_zmalloc("e1000_5tuple_filter",
4408                         sizeof(struct e1000_5tuple_filter), 0);
4409         if (filter == NULL)
4410                 return -ENOMEM;
4411
4412         ret = ntuple_filter_to_5tuple_82576(ntuple_filter,
4413                                             &filter->filter_info);
4414         if (ret < 0) {
4415                 rte_free(filter);
4416                 return ret;
4417         }
4418
4419         if (igb_5tuple_filter_lookup_82576(&filter_info->fivetuple_list,
4420                                          &filter->filter_info) != NULL) {
4421                 PMD_DRV_LOG(ERR, "filter exists.");
4422                 rte_free(filter);
4423                 return -EEXIST;
4424         }
4425         filter->queue = ntuple_filter->queue;
4426
4427         /*
4428          * look for an unused 5tuple filter index,
4429          * and insert the filter to list.
4430          */
4431         for (i = 0; i < E1000_MAX_FTQF_FILTERS; i++) {
4432                 if (!(filter_info->fivetuple_mask & (1 << i))) {
4433                         filter_info->fivetuple_mask |= 1 << i;
4434                         filter->index = i;
4435                         TAILQ_INSERT_TAIL(&filter_info->fivetuple_list,
4436                                           filter,
4437                                           entries);
4438                         break;
4439                 }
4440         }
4441         if (i >= E1000_MAX_FTQF_FILTERS) {
4442                 PMD_DRV_LOG(ERR, "5tuple filters are full.");
4443                 rte_free(filter);
4444                 return -ENOSYS;
4445         }
4446
4447         igb_inject_5tuple_filter_82576(dev, filter);
4448         return 0;
4449 }
4450
4451 int
4452 igb_delete_5tuple_filter_82576(struct rte_eth_dev *dev,
4453                                 struct e1000_5tuple_filter *filter)
4454 {
4455         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4456         struct e1000_filter_info *filter_info =
4457                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4458
4459         filter_info->fivetuple_mask &= ~(1 << filter->index);
4460         TAILQ_REMOVE(&filter_info->fivetuple_list, filter, entries);
4461         rte_free(filter);
4462
4463         E1000_WRITE_REG(hw, E1000_FTQF(filter->index),
4464                         E1000_FTQF_VF_BP | E1000_FTQF_MASK);
4465         E1000_WRITE_REG(hw, E1000_DAQF(filter->index), 0);
4466         E1000_WRITE_REG(hw, E1000_SAQF(filter->index), 0);
4467         E1000_WRITE_REG(hw, E1000_SPQF(filter->index), 0);
4468         E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
4469         E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
4470         return 0;
4471 }
4472
4473 /*
4474  * igb_remove_5tuple_filter_82576 - remove a 5tuple filter
4475  *
4476  * @param
4477  * dev: Pointer to struct rte_eth_dev.
4478  * ntuple_filter: ponter to the filter that will be removed.
4479  *
4480  * @return
4481  *    - On success, zero.
4482  *    - On failure, a negative value.
4483  */
4484 static int
4485 igb_remove_5tuple_filter_82576(struct rte_eth_dev *dev,
4486                                 struct rte_eth_ntuple_filter *ntuple_filter)
4487 {
4488         struct e1000_filter_info *filter_info =
4489                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4490         struct e1000_5tuple_filter_info filter_5tuple;
4491         struct e1000_5tuple_filter *filter;
4492         int ret;
4493
4494         memset(&filter_5tuple, 0, sizeof(struct e1000_5tuple_filter_info));
4495         ret = ntuple_filter_to_5tuple_82576(ntuple_filter,
4496                                             &filter_5tuple);
4497         if (ret < 0)
4498                 return ret;
4499
4500         filter = igb_5tuple_filter_lookup_82576(&filter_info->fivetuple_list,
4501                                          &filter_5tuple);
4502         if (filter == NULL) {
4503                 PMD_DRV_LOG(ERR, "filter doesn't exist.");
4504                 return -ENOENT;
4505         }
4506
4507         igb_delete_5tuple_filter_82576(dev, filter);
4508
4509         return 0;
4510 }
4511
4512 static int
4513 eth_igb_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
4514 {
4515         uint32_t rctl;
4516         struct e1000_hw *hw;
4517         struct rte_eth_dev_info dev_info;
4518         uint32_t frame_size = mtu + E1000_ETH_OVERHEAD;
4519         int ret;
4520
4521         hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4522
4523 #ifdef RTE_LIBRTE_82571_SUPPORT
4524         /* XXX: not bigger than max_rx_pktlen */
4525         if (hw->mac.type == e1000_82571)
4526                 return -ENOTSUP;
4527 #endif
4528         ret = eth_igb_infos_get(dev, &dev_info);
4529         if (ret != 0)
4530                 return ret;
4531
4532         /* check that mtu is within the allowed range */
4533         if (mtu < RTE_ETHER_MIN_MTU ||
4534                         frame_size > dev_info.max_rx_pktlen)
4535                 return -EINVAL;
4536
4537         /* refuse mtu that requires the support of scattered packets when this
4538          * feature has not been enabled before. */
4539         if (!dev->data->scattered_rx &&
4540             frame_size > dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM)
4541                 return -EINVAL;
4542
4543         rctl = E1000_READ_REG(hw, E1000_RCTL);
4544
4545         /* switch to jumbo mode if needed */
4546         if (frame_size > RTE_ETHER_MAX_LEN) {
4547                 dev->data->dev_conf.rxmode.offloads |=
4548                         DEV_RX_OFFLOAD_JUMBO_FRAME;
4549                 rctl |= E1000_RCTL_LPE;
4550         } else {
4551                 dev->data->dev_conf.rxmode.offloads &=
4552                         ~DEV_RX_OFFLOAD_JUMBO_FRAME;
4553                 rctl &= ~E1000_RCTL_LPE;
4554         }
4555         E1000_WRITE_REG(hw, E1000_RCTL, rctl);
4556
4557         /* update max frame size */
4558         dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
4559
4560         E1000_WRITE_REG(hw, E1000_RLPML,
4561                         dev->data->dev_conf.rxmode.max_rx_pkt_len);
4562
4563         return 0;
4564 }
4565
4566 /*
4567  * igb_add_del_ntuple_filter - add or delete a ntuple filter
4568  *
4569  * @param
4570  * dev: Pointer to struct rte_eth_dev.
4571  * ntuple_filter: Pointer to struct rte_eth_ntuple_filter
4572  * add: if true, add filter, if false, remove filter
4573  *
4574  * @return
4575  *    - On success, zero.
4576  *    - On failure, a negative value.
4577  */
4578 int
4579 igb_add_del_ntuple_filter(struct rte_eth_dev *dev,
4580                         struct rte_eth_ntuple_filter *ntuple_filter,
4581                         bool add)
4582 {
4583         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4584         int ret;
4585
4586         switch (ntuple_filter->flags) {
4587         case RTE_5TUPLE_FLAGS:
4588         case (RTE_5TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
4589                 if (hw->mac.type != e1000_82576)
4590                         return -ENOTSUP;
4591                 if (add)
4592                         ret = igb_add_5tuple_filter_82576(dev,
4593                                                           ntuple_filter);
4594                 else
4595                         ret = igb_remove_5tuple_filter_82576(dev,
4596                                                              ntuple_filter);
4597                 break;
4598         case RTE_2TUPLE_FLAGS:
4599         case (RTE_2TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
4600                 if (hw->mac.type != e1000_82580 && hw->mac.type != e1000_i350 &&
4601                         hw->mac.type != e1000_i210 &&
4602                         hw->mac.type != e1000_i211)
4603                         return -ENOTSUP;
4604                 if (add)
4605                         ret = igb_add_2tuple_filter(dev, ntuple_filter);
4606                 else
4607                         ret = igb_remove_2tuple_filter(dev, ntuple_filter);
4608                 break;
4609         default:
4610                 ret = -EINVAL;
4611                 break;
4612         }
4613
4614         return ret;
4615 }
4616
4617 /*
4618  * igb_get_ntuple_filter - get a ntuple filter
4619  *
4620  * @param
4621  * dev: Pointer to struct rte_eth_dev.
4622  * ntuple_filter: Pointer to struct rte_eth_ntuple_filter
4623  *
4624  * @return
4625  *    - On success, zero.
4626  *    - On failure, a negative value.
4627  */
4628 static int
4629 igb_get_ntuple_filter(struct rte_eth_dev *dev,
4630                         struct rte_eth_ntuple_filter *ntuple_filter)
4631 {
4632         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4633         struct e1000_filter_info *filter_info =
4634                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4635         struct e1000_5tuple_filter_info filter_5tuple;
4636         struct e1000_2tuple_filter_info filter_2tuple;
4637         struct e1000_5tuple_filter *p_5tuple_filter;
4638         struct e1000_2tuple_filter *p_2tuple_filter;
4639         int ret;
4640
4641         switch (ntuple_filter->flags) {
4642         case RTE_5TUPLE_FLAGS:
4643         case (RTE_5TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
4644                 if (hw->mac.type != e1000_82576)
4645                         return -ENOTSUP;
4646                 memset(&filter_5tuple,
4647                         0,
4648                         sizeof(struct e1000_5tuple_filter_info));
4649                 ret = ntuple_filter_to_5tuple_82576(ntuple_filter,
4650                                                     &filter_5tuple);
4651                 if (ret < 0)
4652                         return ret;
4653                 p_5tuple_filter = igb_5tuple_filter_lookup_82576(
4654                                         &filter_info->fivetuple_list,
4655                                         &filter_5tuple);
4656                 if (p_5tuple_filter == NULL) {
4657                         PMD_DRV_LOG(ERR, "filter doesn't exist.");
4658                         return -ENOENT;
4659                 }
4660                 ntuple_filter->queue = p_5tuple_filter->queue;
4661                 break;
4662         case RTE_2TUPLE_FLAGS:
4663         case (RTE_2TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
4664                 if (hw->mac.type != e1000_82580 && hw->mac.type != e1000_i350)
4665                         return -ENOTSUP;
4666                 memset(&filter_2tuple,
4667                         0,
4668                         sizeof(struct e1000_2tuple_filter_info));
4669                 ret = ntuple_filter_to_2tuple(ntuple_filter, &filter_2tuple);
4670                 if (ret < 0)
4671                         return ret;
4672                 p_2tuple_filter = igb_2tuple_filter_lookup(
4673                                         &filter_info->twotuple_list,
4674                                         &filter_2tuple);
4675                 if (p_2tuple_filter == NULL) {
4676                         PMD_DRV_LOG(ERR, "filter doesn't exist.");
4677                         return -ENOENT;
4678                 }
4679                 ntuple_filter->queue = p_2tuple_filter->queue;
4680                 break;
4681         default:
4682                 ret = -EINVAL;
4683                 break;
4684         }
4685
4686         return 0;
4687 }
4688
4689 /*
4690  * igb_ntuple_filter_handle - Handle operations for ntuple filter.
4691  * @dev: pointer to rte_eth_dev structure
4692  * @filter_op:operation will be taken.
4693  * @arg: a pointer to specific structure corresponding to the filter_op
4694  */
4695 static int
4696 igb_ntuple_filter_handle(struct rte_eth_dev *dev,
4697                                 enum rte_filter_op filter_op,
4698                                 void *arg)
4699 {
4700         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4701         int ret;
4702
4703         MAC_TYPE_FILTER_SUP(hw->mac.type);
4704
4705         if (filter_op == RTE_ETH_FILTER_NOP)
4706                 return 0;
4707
4708         if (arg == NULL) {
4709                 PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u.",
4710                             filter_op);
4711                 return -EINVAL;
4712         }
4713
4714         switch (filter_op) {
4715         case RTE_ETH_FILTER_ADD:
4716                 ret = igb_add_del_ntuple_filter(dev,
4717                         (struct rte_eth_ntuple_filter *)arg,
4718                         TRUE);
4719                 break;
4720         case RTE_ETH_FILTER_DELETE:
4721                 ret = igb_add_del_ntuple_filter(dev,
4722                         (struct rte_eth_ntuple_filter *)arg,
4723                         FALSE);
4724                 break;
4725         case RTE_ETH_FILTER_GET:
4726                 ret = igb_get_ntuple_filter(dev,
4727                         (struct rte_eth_ntuple_filter *)arg);
4728                 break;
4729         default:
4730                 PMD_DRV_LOG(ERR, "unsupported operation %u.", filter_op);
4731                 ret = -EINVAL;
4732                 break;
4733         }
4734         return ret;
4735 }
4736
4737 static inline int
4738 igb_ethertype_filter_lookup(struct e1000_filter_info *filter_info,
4739                         uint16_t ethertype)
4740 {
4741         int i;
4742
4743         for (i = 0; i < E1000_MAX_ETQF_FILTERS; i++) {
4744                 if (filter_info->ethertype_filters[i].ethertype == ethertype &&
4745                     (filter_info->ethertype_mask & (1 << i)))
4746                         return i;
4747         }
4748         return -1;
4749 }
4750
4751 static inline int
4752 igb_ethertype_filter_insert(struct e1000_filter_info *filter_info,
4753                         uint16_t ethertype, uint32_t etqf)
4754 {
4755         int i;
4756
4757         for (i = 0; i < E1000_MAX_ETQF_FILTERS; i++) {
4758                 if (!(filter_info->ethertype_mask & (1 << i))) {
4759                         filter_info->ethertype_mask |= 1 << i;
4760                         filter_info->ethertype_filters[i].ethertype = ethertype;
4761                         filter_info->ethertype_filters[i].etqf = etqf;
4762                         return i;
4763                 }
4764         }
4765         return -1;
4766 }
4767
4768 int
4769 igb_ethertype_filter_remove(struct e1000_filter_info *filter_info,
4770                         uint8_t idx)
4771 {
4772         if (idx >= E1000_MAX_ETQF_FILTERS)
4773                 return -1;
4774         filter_info->ethertype_mask &= ~(1 << idx);
4775         filter_info->ethertype_filters[idx].ethertype = 0;
4776         filter_info->ethertype_filters[idx].etqf = 0;
4777         return idx;
4778 }
4779
4780
4781 int
4782 igb_add_del_ethertype_filter(struct rte_eth_dev *dev,
4783                         struct rte_eth_ethertype_filter *filter,
4784                         bool add)
4785 {
4786         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4787         struct e1000_filter_info *filter_info =
4788                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4789         uint32_t etqf = 0;
4790         int ret;
4791
4792         if (filter->ether_type == RTE_ETHER_TYPE_IPV4 ||
4793                 filter->ether_type == RTE_ETHER_TYPE_IPV6) {
4794                 PMD_DRV_LOG(ERR, "unsupported ether_type(0x%04x) in"
4795                         " ethertype filter.", filter->ether_type);
4796                 return -EINVAL;
4797         }
4798
4799         if (filter->flags & RTE_ETHTYPE_FLAGS_MAC) {
4800                 PMD_DRV_LOG(ERR, "mac compare is unsupported.");
4801                 return -EINVAL;
4802         }
4803         if (filter->flags & RTE_ETHTYPE_FLAGS_DROP) {
4804                 PMD_DRV_LOG(ERR, "drop option is unsupported.");
4805                 return -EINVAL;
4806         }
4807
4808         ret = igb_ethertype_filter_lookup(filter_info, filter->ether_type);
4809         if (ret >= 0 && add) {
4810                 PMD_DRV_LOG(ERR, "ethertype (0x%04x) filter exists.",
4811                             filter->ether_type);
4812                 return -EEXIST;
4813         }
4814         if (ret < 0 && !add) {
4815                 PMD_DRV_LOG(ERR, "ethertype (0x%04x) filter doesn't exist.",
4816                             filter->ether_type);
4817                 return -ENOENT;
4818         }
4819
4820         if (add) {
4821                 etqf |= E1000_ETQF_FILTER_ENABLE | E1000_ETQF_QUEUE_ENABLE;
4822                 etqf |= (uint32_t)(filter->ether_type & E1000_ETQF_ETHERTYPE);
4823                 etqf |= filter->queue << E1000_ETQF_QUEUE_SHIFT;
4824                 ret = igb_ethertype_filter_insert(filter_info,
4825                                 filter->ether_type, etqf);
4826                 if (ret < 0) {
4827                         PMD_DRV_LOG(ERR, "ethertype filters are full.");
4828                         return -ENOSYS;
4829                 }
4830         } else {
4831                 ret = igb_ethertype_filter_remove(filter_info, (uint8_t)ret);
4832                 if (ret < 0)
4833                         return -ENOSYS;
4834         }
4835         E1000_WRITE_REG(hw, E1000_ETQF(ret), etqf);
4836         E1000_WRITE_FLUSH(hw);
4837
4838         return 0;
4839 }
4840
4841 static int
4842 igb_get_ethertype_filter(struct rte_eth_dev *dev,
4843                         struct rte_eth_ethertype_filter *filter)
4844 {
4845         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4846         struct e1000_filter_info *filter_info =
4847                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4848         uint32_t etqf;
4849         int ret;
4850
4851         ret = igb_ethertype_filter_lookup(filter_info, filter->ether_type);
4852         if (ret < 0) {
4853                 PMD_DRV_LOG(ERR, "ethertype (0x%04x) filter doesn't exist.",
4854                             filter->ether_type);
4855                 return -ENOENT;
4856         }
4857
4858         etqf = E1000_READ_REG(hw, E1000_ETQF(ret));
4859         if (etqf & E1000_ETQF_FILTER_ENABLE) {
4860                 filter->ether_type = etqf & E1000_ETQF_ETHERTYPE;
4861                 filter->flags = 0;
4862                 filter->queue = (etqf & E1000_ETQF_QUEUE) >>
4863                                 E1000_ETQF_QUEUE_SHIFT;
4864                 return 0;
4865         }
4866
4867         return -ENOENT;
4868 }
4869
4870 /*
4871  * igb_ethertype_filter_handle - Handle operations for ethertype filter.
4872  * @dev: pointer to rte_eth_dev structure
4873  * @filter_op:operation will be taken.
4874  * @arg: a pointer to specific structure corresponding to the filter_op
4875  */
4876 static int
4877 igb_ethertype_filter_handle(struct rte_eth_dev *dev,
4878                                 enum rte_filter_op filter_op,
4879                                 void *arg)
4880 {
4881         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4882         int ret;
4883
4884         MAC_TYPE_FILTER_SUP(hw->mac.type);
4885
4886         if (filter_op == RTE_ETH_FILTER_NOP)
4887                 return 0;
4888
4889         if (arg == NULL) {
4890                 PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u.",
4891                             filter_op);
4892                 return -EINVAL;
4893         }
4894
4895         switch (filter_op) {
4896         case RTE_ETH_FILTER_ADD:
4897                 ret = igb_add_del_ethertype_filter(dev,
4898                         (struct rte_eth_ethertype_filter *)arg,
4899                         TRUE);
4900                 break;
4901         case RTE_ETH_FILTER_DELETE:
4902                 ret = igb_add_del_ethertype_filter(dev,
4903                         (struct rte_eth_ethertype_filter *)arg,
4904                         FALSE);
4905                 break;
4906         case RTE_ETH_FILTER_GET:
4907                 ret = igb_get_ethertype_filter(dev,
4908                         (struct rte_eth_ethertype_filter *)arg);
4909                 break;
4910         default:
4911                 PMD_DRV_LOG(ERR, "unsupported operation %u.", filter_op);
4912                 ret = -EINVAL;
4913                 break;
4914         }
4915         return ret;
4916 }
4917
4918 static int
4919 eth_igb_filter_ctrl(struct rte_eth_dev *dev,
4920                      enum rte_filter_type filter_type,
4921                      enum rte_filter_op filter_op,
4922                      void *arg)
4923 {
4924         int ret = 0;
4925
4926         switch (filter_type) {
4927         case RTE_ETH_FILTER_NTUPLE:
4928                 ret = igb_ntuple_filter_handle(dev, filter_op, arg);
4929                 break;
4930         case RTE_ETH_FILTER_ETHERTYPE:
4931                 ret = igb_ethertype_filter_handle(dev, filter_op, arg);
4932                 break;
4933         case RTE_ETH_FILTER_SYN:
4934                 ret = eth_igb_syn_filter_handle(dev, filter_op, arg);
4935                 break;
4936         case RTE_ETH_FILTER_FLEXIBLE:
4937                 ret = eth_igb_flex_filter_handle(dev, filter_op, arg);
4938                 break;
4939         case RTE_ETH_FILTER_GENERIC:
4940                 if (filter_op != RTE_ETH_FILTER_GET)
4941                         return -EINVAL;
4942                 *(const void **)arg = &igb_flow_ops;
4943                 break;
4944         default:
4945                 PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
4946                                                         filter_type);
4947                 break;
4948         }
4949
4950         return ret;
4951 }
4952
4953 static int
4954 eth_igb_set_mc_addr_list(struct rte_eth_dev *dev,
4955                          struct rte_ether_addr *mc_addr_set,
4956                          uint32_t nb_mc_addr)
4957 {
4958         struct e1000_hw *hw;
4959
4960         hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4961         e1000_update_mc_addr_list(hw, (u8 *)mc_addr_set, nb_mc_addr);
4962         return 0;
4963 }
4964
4965 static uint64_t
4966 igb_read_systime_cyclecounter(struct rte_eth_dev *dev)
4967 {
4968         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4969         uint64_t systime_cycles;
4970
4971         switch (hw->mac.type) {
4972         case e1000_i210:
4973         case e1000_i211:
4974                 /*
4975                  * Need to read System Time Residue Register to be able
4976                  * to read the other two registers.
4977                  */
4978                 E1000_READ_REG(hw, E1000_SYSTIMR);
4979                 /* SYSTIMEL stores ns and SYSTIMEH stores seconds. */
4980                 systime_cycles = (uint64_t)E1000_READ_REG(hw, E1000_SYSTIML);
4981                 systime_cycles += (uint64_t)E1000_READ_REG(hw, E1000_SYSTIMH)
4982                                 * NSEC_PER_SEC;
4983                 break;
4984         case e1000_82580:
4985         case e1000_i350:
4986         case e1000_i354:
4987                 /*
4988                  * Need to read System Time Residue Register to be able
4989                  * to read the other two registers.
4990                  */
4991                 E1000_READ_REG(hw, E1000_SYSTIMR);
4992                 systime_cycles = (uint64_t)E1000_READ_REG(hw, E1000_SYSTIML);
4993                 /* Only the 8 LSB are valid. */
4994                 systime_cycles |= (uint64_t)(E1000_READ_REG(hw, E1000_SYSTIMH)
4995                                 & 0xff) << 32;
4996                 break;
4997         default:
4998                 systime_cycles = (uint64_t)E1000_READ_REG(hw, E1000_SYSTIML);
4999                 systime_cycles |= (uint64_t)E1000_READ_REG(hw, E1000_SYSTIMH)
5000                                 << 32;
5001                 break;
5002         }
5003
5004         return systime_cycles;
5005 }
5006
5007 static uint64_t
5008 igb_read_rx_tstamp_cyclecounter(struct rte_eth_dev *dev)
5009 {
5010         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5011         uint64_t rx_tstamp_cycles;
5012
5013         switch (hw->mac.type) {
5014         case e1000_i210:
5015         case e1000_i211:
5016                 /* RXSTMPL stores ns and RXSTMPH stores seconds. */
5017                 rx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPL);
5018                 rx_tstamp_cycles += (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPH)
5019                                 * NSEC_PER_SEC;
5020                 break;
5021         case e1000_82580:
5022         case e1000_i350:
5023         case e1000_i354:
5024                 rx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPL);
5025                 /* Only the 8 LSB are valid. */
5026                 rx_tstamp_cycles |= (uint64_t)(E1000_READ_REG(hw, E1000_RXSTMPH)
5027                                 & 0xff) << 32;
5028                 break;
5029         default:
5030                 rx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPL);
5031                 rx_tstamp_cycles |= (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPH)
5032                                 << 32;
5033                 break;
5034         }
5035
5036         return rx_tstamp_cycles;
5037 }
5038
5039 static uint64_t
5040 igb_read_tx_tstamp_cyclecounter(struct rte_eth_dev *dev)
5041 {
5042         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5043         uint64_t tx_tstamp_cycles;
5044
5045         switch (hw->mac.type) {
5046         case e1000_i210:
5047         case e1000_i211:
5048                 /* RXSTMPL stores ns and RXSTMPH stores seconds. */
5049                 tx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPL);
5050                 tx_tstamp_cycles += (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPH)
5051                                 * NSEC_PER_SEC;
5052                 break;
5053         case e1000_82580:
5054         case e1000_i350:
5055         case e1000_i354:
5056                 tx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPL);
5057                 /* Only the 8 LSB are valid. */
5058                 tx_tstamp_cycles |= (uint64_t)(E1000_READ_REG(hw, E1000_TXSTMPH)
5059                                 & 0xff) << 32;
5060                 break;
5061         default:
5062                 tx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPL);
5063                 tx_tstamp_cycles |= (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPH)
5064                                 << 32;
5065                 break;
5066         }
5067
5068         return tx_tstamp_cycles;
5069 }
5070
5071 static void
5072 igb_start_timecounters(struct rte_eth_dev *dev)
5073 {
5074         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5075         struct e1000_adapter *adapter = dev->data->dev_private;
5076         uint32_t incval = 1;
5077         uint32_t shift = 0;
5078         uint64_t mask = E1000_CYCLECOUNTER_MASK;
5079
5080         switch (hw->mac.type) {
5081         case e1000_82580:
5082         case e1000_i350:
5083         case e1000_i354:
5084                 /* 32 LSB bits + 8 MSB bits = 40 bits */
5085                 mask = (1ULL << 40) - 1;
5086                 /* fall-through */
5087         case e1000_i210:
5088         case e1000_i211:
5089                 /*
5090                  * Start incrementing the register
5091                  * used to timestamp PTP packets.
5092                  */
5093                 E1000_WRITE_REG(hw, E1000_TIMINCA, incval);
5094                 break;
5095         case e1000_82576:
5096                 incval = E1000_INCVALUE_82576;
5097                 shift = IGB_82576_TSYNC_SHIFT;
5098                 E1000_WRITE_REG(hw, E1000_TIMINCA,
5099                                 E1000_INCPERIOD_82576 | incval);
5100                 break;
5101         default:
5102                 /* Not supported */
5103                 return;
5104         }
5105
5106         memset(&adapter->systime_tc, 0, sizeof(struct rte_timecounter));
5107         memset(&adapter->rx_tstamp_tc, 0, sizeof(struct rte_timecounter));
5108         memset(&adapter->tx_tstamp_tc, 0, sizeof(struct rte_timecounter));
5109
5110         adapter->systime_tc.cc_mask = mask;
5111         adapter->systime_tc.cc_shift = shift;
5112         adapter->systime_tc.nsec_mask = (1ULL << shift) - 1;
5113
5114         adapter->rx_tstamp_tc.cc_mask = mask;
5115         adapter->rx_tstamp_tc.cc_shift = shift;
5116         adapter->rx_tstamp_tc.nsec_mask = (1ULL << shift) - 1;
5117
5118         adapter->tx_tstamp_tc.cc_mask = mask;
5119         adapter->tx_tstamp_tc.cc_shift = shift;
5120         adapter->tx_tstamp_tc.nsec_mask = (1ULL << shift) - 1;
5121 }
5122
5123 static int
5124 igb_timesync_adjust_time(struct rte_eth_dev *dev, int64_t delta)
5125 {
5126         struct e1000_adapter *adapter = dev->data->dev_private;
5127
5128         adapter->systime_tc.nsec += delta;
5129         adapter->rx_tstamp_tc.nsec += delta;
5130         adapter->tx_tstamp_tc.nsec += delta;
5131
5132         return 0;
5133 }
5134
5135 static int
5136 igb_timesync_write_time(struct rte_eth_dev *dev, const struct timespec *ts)
5137 {
5138         uint64_t ns;
5139         struct e1000_adapter *adapter = dev->data->dev_private;
5140
5141         ns = rte_timespec_to_ns(ts);
5142
5143         /* Set the timecounters to a new value. */
5144         adapter->systime_tc.nsec = ns;
5145         adapter->rx_tstamp_tc.nsec = ns;
5146         adapter->tx_tstamp_tc.nsec = ns;
5147
5148         return 0;
5149 }
5150
5151 static int
5152 igb_timesync_read_time(struct rte_eth_dev *dev, struct timespec *ts)
5153 {
5154         uint64_t ns, systime_cycles;
5155         struct e1000_adapter *adapter = dev->data->dev_private;
5156
5157         systime_cycles = igb_read_systime_cyclecounter(dev);
5158         ns = rte_timecounter_update(&adapter->systime_tc, systime_cycles);
5159         *ts = rte_ns_to_timespec(ns);
5160
5161         return 0;
5162 }
5163
5164 static int
5165 igb_timesync_enable(struct rte_eth_dev *dev)
5166 {
5167         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5168         uint32_t tsync_ctl;
5169         uint32_t tsauxc;
5170
5171         /* Stop the timesync system time. */
5172         E1000_WRITE_REG(hw, E1000_TIMINCA, 0x0);
5173         /* Reset the timesync system time value. */
5174         switch (hw->mac.type) {
5175         case e1000_82580:
5176         case e1000_i350:
5177         case e1000_i354:
5178         case e1000_i210:
5179         case e1000_i211:
5180                 E1000_WRITE_REG(hw, E1000_SYSTIMR, 0x0);
5181                 /* fall-through */
5182         case e1000_82576:
5183                 E1000_WRITE_REG(hw, E1000_SYSTIML, 0x0);
5184                 E1000_WRITE_REG(hw, E1000_SYSTIMH, 0x0);
5185                 break;
5186         default:
5187                 /* Not supported. */
5188                 return -ENOTSUP;
5189         }
5190
5191         /* Enable system time for it isn't on by default. */
5192         tsauxc = E1000_READ_REG(hw, E1000_TSAUXC);
5193         tsauxc &= ~E1000_TSAUXC_DISABLE_SYSTIME;
5194         E1000_WRITE_REG(hw, E1000_TSAUXC, tsauxc);
5195
5196         igb_start_timecounters(dev);
5197
5198         /* Enable L2 filtering of IEEE1588/802.1AS Ethernet frame types. */
5199         E1000_WRITE_REG(hw, E1000_ETQF(E1000_ETQF_FILTER_1588),
5200                         (RTE_ETHER_TYPE_1588 |
5201                          E1000_ETQF_FILTER_ENABLE |
5202                          E1000_ETQF_1588));
5203
5204         /* Enable timestamping of received PTP packets. */
5205         tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCRXCTL);
5206         tsync_ctl |= E1000_TSYNCRXCTL_ENABLED;
5207         E1000_WRITE_REG(hw, E1000_TSYNCRXCTL, tsync_ctl);
5208
5209         /* Enable Timestamping of transmitted PTP packets. */
5210         tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCTXCTL);
5211         tsync_ctl |= E1000_TSYNCTXCTL_ENABLED;
5212         E1000_WRITE_REG(hw, E1000_TSYNCTXCTL, tsync_ctl);
5213
5214         return 0;
5215 }
5216
5217 static int
5218 igb_timesync_disable(struct rte_eth_dev *dev)
5219 {
5220         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5221         uint32_t tsync_ctl;
5222
5223         /* Disable timestamping of transmitted PTP packets. */
5224         tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCTXCTL);
5225         tsync_ctl &= ~E1000_TSYNCTXCTL_ENABLED;
5226         E1000_WRITE_REG(hw, E1000_TSYNCTXCTL, tsync_ctl);
5227
5228         /* Disable timestamping of received PTP packets. */
5229         tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCRXCTL);
5230         tsync_ctl &= ~E1000_TSYNCRXCTL_ENABLED;
5231         E1000_WRITE_REG(hw, E1000_TSYNCRXCTL, tsync_ctl);
5232
5233         /* Disable L2 filtering of IEEE1588/802.1AS Ethernet frame types. */
5234         E1000_WRITE_REG(hw, E1000_ETQF(E1000_ETQF_FILTER_1588), 0);
5235
5236         /* Stop incrementating the System Time registers. */
5237         E1000_WRITE_REG(hw, E1000_TIMINCA, 0);
5238
5239         return 0;
5240 }
5241
5242 static int
5243 igb_timesync_read_rx_timestamp(struct rte_eth_dev *dev,
5244                                struct timespec *timestamp,
5245                                uint32_t flags __rte_unused)
5246 {
5247         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5248         struct e1000_adapter *adapter = dev->data->dev_private;
5249         uint32_t tsync_rxctl;
5250         uint64_t rx_tstamp_cycles;
5251         uint64_t ns;
5252
5253         tsync_rxctl = E1000_READ_REG(hw, E1000_TSYNCRXCTL);
5254         if ((tsync_rxctl & E1000_TSYNCRXCTL_VALID) == 0)
5255                 return -EINVAL;
5256
5257         rx_tstamp_cycles = igb_read_rx_tstamp_cyclecounter(dev);
5258         ns = rte_timecounter_update(&adapter->rx_tstamp_tc, rx_tstamp_cycles);
5259         *timestamp = rte_ns_to_timespec(ns);
5260
5261         return  0;
5262 }
5263
5264 static int
5265 igb_timesync_read_tx_timestamp(struct rte_eth_dev *dev,
5266                                struct timespec *timestamp)
5267 {
5268         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5269         struct e1000_adapter *adapter = dev->data->dev_private;
5270         uint32_t tsync_txctl;
5271         uint64_t tx_tstamp_cycles;
5272         uint64_t ns;
5273
5274         tsync_txctl = E1000_READ_REG(hw, E1000_TSYNCTXCTL);
5275         if ((tsync_txctl & E1000_TSYNCTXCTL_VALID) == 0)
5276                 return -EINVAL;
5277
5278         tx_tstamp_cycles = igb_read_tx_tstamp_cyclecounter(dev);
5279         ns = rte_timecounter_update(&adapter->tx_tstamp_tc, tx_tstamp_cycles);
5280         *timestamp = rte_ns_to_timespec(ns);
5281
5282         return  0;
5283 }
5284
5285 static int
5286 eth_igb_get_reg_length(struct rte_eth_dev *dev __rte_unused)
5287 {
5288         int count = 0;
5289         int g_ind = 0;
5290         const struct reg_info *reg_group;
5291
5292         while ((reg_group = igb_regs[g_ind++]))
5293                 count += igb_reg_group_count(reg_group);
5294
5295         return count;
5296 }
5297
5298 static int
5299 igbvf_get_reg_length(struct rte_eth_dev *dev __rte_unused)
5300 {
5301         int count = 0;
5302         int g_ind = 0;
5303         const struct reg_info *reg_group;
5304
5305         while ((reg_group = igbvf_regs[g_ind++]))
5306                 count += igb_reg_group_count(reg_group);
5307
5308         return count;
5309 }
5310
5311 static int
5312 eth_igb_get_regs(struct rte_eth_dev *dev,
5313         struct rte_dev_reg_info *regs)
5314 {
5315         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5316         uint32_t *data = regs->data;
5317         int g_ind = 0;
5318         int count = 0;
5319         const struct reg_info *reg_group;
5320
5321         if (data == NULL) {
5322                 regs->length = eth_igb_get_reg_length(dev);
5323                 regs->width = sizeof(uint32_t);
5324                 return 0;
5325         }
5326
5327         /* Support only full register dump */
5328         if ((regs->length == 0) ||
5329             (regs->length == (uint32_t)eth_igb_get_reg_length(dev))) {
5330                 regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
5331                         hw->device_id;
5332                 while ((reg_group = igb_regs[g_ind++]))
5333                         count += igb_read_regs_group(dev, &data[count],
5334                                                         reg_group);
5335                 return 0;
5336         }
5337
5338         return -ENOTSUP;
5339 }
5340
5341 static int
5342 igbvf_get_regs(struct rte_eth_dev *dev,
5343         struct rte_dev_reg_info *regs)
5344 {
5345         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5346         uint32_t *data = regs->data;
5347         int g_ind = 0;
5348         int count = 0;
5349         const struct reg_info *reg_group;
5350
5351         if (data == NULL) {
5352                 regs->length = igbvf_get_reg_length(dev);
5353                 regs->width = sizeof(uint32_t);
5354                 return 0;
5355         }
5356
5357         /* Support only full register dump */
5358         if ((regs->length == 0) ||
5359             (regs->length == (uint32_t)igbvf_get_reg_length(dev))) {
5360                 regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
5361                         hw->device_id;
5362                 while ((reg_group = igbvf_regs[g_ind++]))
5363                         count += igb_read_regs_group(dev, &data[count],
5364                                                         reg_group);
5365                 return 0;
5366         }
5367
5368         return -ENOTSUP;
5369 }
5370
5371 static int
5372 eth_igb_get_eeprom_length(struct rte_eth_dev *dev)
5373 {
5374         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5375
5376         /* Return unit is byte count */
5377         return hw->nvm.word_size * 2;
5378 }
5379
5380 static int
5381 eth_igb_get_eeprom(struct rte_eth_dev *dev,
5382         struct rte_dev_eeprom_info *in_eeprom)
5383 {
5384         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5385         struct e1000_nvm_info *nvm = &hw->nvm;
5386         uint16_t *data = in_eeprom->data;
5387         int first, length;
5388
5389         first = in_eeprom->offset >> 1;
5390         length = in_eeprom->length >> 1;
5391         if ((first >= hw->nvm.word_size) ||
5392             ((first + length) >= hw->nvm.word_size))
5393                 return -EINVAL;
5394
5395         in_eeprom->magic = hw->vendor_id |
5396                 ((uint32_t)hw->device_id << 16);
5397
5398         if ((nvm->ops.read) == NULL)
5399                 return -ENOTSUP;
5400
5401         return nvm->ops.read(hw, first, length, data);
5402 }
5403
5404 static int
5405 eth_igb_set_eeprom(struct rte_eth_dev *dev,
5406         struct rte_dev_eeprom_info *in_eeprom)
5407 {
5408         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5409         struct e1000_nvm_info *nvm = &hw->nvm;
5410         uint16_t *data = in_eeprom->data;
5411         int first, length;
5412
5413         first = in_eeprom->offset >> 1;
5414         length = in_eeprom->length >> 1;
5415         if ((first >= hw->nvm.word_size) ||
5416             ((first + length) >= hw->nvm.word_size))
5417                 return -EINVAL;
5418
5419         in_eeprom->magic = (uint32_t)hw->vendor_id |
5420                 ((uint32_t)hw->device_id << 16);
5421
5422         if ((nvm->ops.write) == NULL)
5423                 return -ENOTSUP;
5424         return nvm->ops.write(hw,  first, length, data);
5425 }
5426
5427 static int
5428 eth_igb_get_module_info(struct rte_eth_dev *dev,
5429                         struct rte_eth_dev_module_info *modinfo)
5430 {
5431         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5432
5433         uint32_t status = 0;
5434         uint16_t sff8472_rev, addr_mode;
5435         bool page_swap = false;
5436
5437         if (hw->phy.media_type == e1000_media_type_copper ||
5438             hw->phy.media_type == e1000_media_type_unknown)
5439                 return -EOPNOTSUPP;
5440
5441         /* Check whether we support SFF-8472 or not */
5442         status = e1000_read_phy_reg_i2c(hw, IGB_SFF_8472_COMP, &sff8472_rev);
5443         if (status)
5444                 return -EIO;
5445
5446         /* addressing mode is not supported */
5447         status = e1000_read_phy_reg_i2c(hw, IGB_SFF_8472_SWAP, &addr_mode);
5448         if (status)
5449                 return -EIO;
5450
5451         /* addressing mode is not supported */
5452         if ((addr_mode & 0xFF) & IGB_SFF_ADDRESSING_MODE) {
5453                 PMD_DRV_LOG(ERR,
5454                             "Address change required to access page 0xA2, "
5455                             "but not supported. Please report the module "
5456                             "type to the driver maintainers.\n");
5457                 page_swap = true;
5458         }
5459
5460         if ((sff8472_rev & 0xFF) == IGB_SFF_8472_UNSUP || page_swap) {
5461                 /* We have an SFP, but it does not support SFF-8472 */
5462                 modinfo->type = RTE_ETH_MODULE_SFF_8079;
5463                 modinfo->eeprom_len = RTE_ETH_MODULE_SFF_8079_LEN;
5464         } else {
5465                 /* We have an SFP which supports a revision of SFF-8472 */
5466                 modinfo->type = RTE_ETH_MODULE_SFF_8472;
5467                 modinfo->eeprom_len = RTE_ETH_MODULE_SFF_8472_LEN;
5468         }
5469
5470         return 0;
5471 }
5472
5473 static int
5474 eth_igb_get_module_eeprom(struct rte_eth_dev *dev,
5475                           struct rte_dev_eeprom_info *info)
5476 {
5477         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5478
5479         uint32_t status = 0;
5480         uint16_t dataword[RTE_ETH_MODULE_SFF_8472_LEN / 2 + 1];
5481         u16 first_word, last_word;
5482         int i = 0;
5483
5484         if (info->length == 0)
5485                 return -EINVAL;
5486
5487         first_word = info->offset >> 1;
5488         last_word = (info->offset + info->length - 1) >> 1;
5489
5490         /* Read EEPROM block, SFF-8079/SFF-8472, word at a time */
5491         for (i = 0; i < last_word - first_word + 1; i++) {
5492                 status = e1000_read_phy_reg_i2c(hw, (first_word + i) * 2,
5493                                                 &dataword[i]);
5494                 if (status) {
5495                         /* Error occurred while reading module */
5496                         return -EIO;
5497                 }
5498
5499                 dataword[i] = rte_be_to_cpu_16(dataword[i]);
5500         }
5501
5502         memcpy(info->data, (u8 *)dataword + (info->offset & 1), info->length);
5503
5504         return 0;
5505 }
5506
5507 static int
5508 eth_igb_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
5509 {
5510         struct e1000_hw *hw =
5511                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5512         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
5513         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
5514         uint32_t vec = E1000_MISC_VEC_ID;
5515
5516         if (rte_intr_allow_others(intr_handle))
5517                 vec = E1000_RX_VEC_START;
5518
5519         uint32_t mask = 1 << (queue_id + vec);
5520
5521         E1000_WRITE_REG(hw, E1000_EIMC, mask);
5522         E1000_WRITE_FLUSH(hw);
5523
5524         return 0;
5525 }
5526
5527 static int
5528 eth_igb_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
5529 {
5530         struct e1000_hw *hw =
5531                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5532         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
5533         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
5534         uint32_t vec = E1000_MISC_VEC_ID;
5535
5536         if (rte_intr_allow_others(intr_handle))
5537                 vec = E1000_RX_VEC_START;
5538
5539         uint32_t mask = 1 << (queue_id + vec);
5540         uint32_t regval;
5541
5542         regval = E1000_READ_REG(hw, E1000_EIMS);
5543         E1000_WRITE_REG(hw, E1000_EIMS, regval | mask);
5544         E1000_WRITE_FLUSH(hw);
5545
5546         rte_intr_ack(intr_handle);
5547
5548         return 0;
5549 }
5550
5551 static void
5552 eth_igb_write_ivar(struct e1000_hw *hw, uint8_t  msix_vector,
5553                    uint8_t index, uint8_t offset)
5554 {
5555         uint32_t val = E1000_READ_REG_ARRAY(hw, E1000_IVAR0, index);
5556
5557         /* clear bits */
5558         val &= ~((uint32_t)0xFF << offset);
5559
5560         /* write vector and valid bit */
5561         val |= (msix_vector | E1000_IVAR_VALID) << offset;
5562
5563         E1000_WRITE_REG_ARRAY(hw, E1000_IVAR0, index, val);
5564 }
5565
5566 static void
5567 eth_igb_assign_msix_vector(struct e1000_hw *hw, int8_t direction,
5568                            uint8_t queue, uint8_t msix_vector)
5569 {
5570         uint32_t tmp = 0;
5571
5572         if (hw->mac.type == e1000_82575) {
5573                 if (direction == 0)
5574                         tmp = E1000_EICR_RX_QUEUE0 << queue;
5575                 else if (direction == 1)
5576                         tmp = E1000_EICR_TX_QUEUE0 << queue;
5577                 E1000_WRITE_REG(hw, E1000_MSIXBM(msix_vector), tmp);
5578         } else if (hw->mac.type == e1000_82576) {
5579                 if ((direction == 0) || (direction == 1))
5580                         eth_igb_write_ivar(hw, msix_vector, queue & 0x7,
5581                                            ((queue & 0x8) << 1) +
5582                                            8 * direction);
5583         } else if ((hw->mac.type == e1000_82580) ||
5584                         (hw->mac.type == e1000_i350) ||
5585                         (hw->mac.type == e1000_i354) ||
5586                         (hw->mac.type == e1000_i210) ||
5587                         (hw->mac.type == e1000_i211)) {
5588                 if ((direction == 0) || (direction == 1))
5589                         eth_igb_write_ivar(hw, msix_vector,
5590                                            queue >> 1,
5591                                            ((queue & 0x1) << 4) +
5592                                            8 * direction);
5593         }
5594 }
5595
5596 /* Sets up the hardware to generate MSI-X interrupts properly
5597  * @hw
5598  *  board private structure
5599  */
5600 static void
5601 eth_igb_configure_msix_intr(struct rte_eth_dev *dev)
5602 {
5603         int queue_id;
5604         uint32_t tmpval, regval, intr_mask;
5605         struct e1000_hw *hw =
5606                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5607         uint32_t vec = E1000_MISC_VEC_ID;
5608         uint32_t base = E1000_MISC_VEC_ID;
5609         uint32_t misc_shift = 0;
5610         struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev);
5611         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
5612
5613         /* won't configure msix register if no mapping is done
5614          * between intr vector and event fd
5615          */
5616         if (!rte_intr_dp_is_en(intr_handle))
5617                 return;
5618
5619         if (rte_intr_allow_others(intr_handle)) {
5620                 vec = base = E1000_RX_VEC_START;
5621                 misc_shift = 1;
5622         }
5623
5624         /* set interrupt vector for other causes */
5625         if (hw->mac.type == e1000_82575) {
5626                 tmpval = E1000_READ_REG(hw, E1000_CTRL_EXT);
5627                 /* enable MSI-X PBA support */
5628                 tmpval |= E1000_CTRL_EXT_PBA_CLR;
5629
5630                 /* Auto-Mask interrupts upon ICR read */
5631                 tmpval |= E1000_CTRL_EXT_EIAME;
5632                 tmpval |= E1000_CTRL_EXT_IRCA;
5633
5634                 E1000_WRITE_REG(hw, E1000_CTRL_EXT, tmpval);
5635
5636                 /* enable msix_other interrupt */
5637                 E1000_WRITE_REG_ARRAY(hw, E1000_MSIXBM(0), 0, E1000_EIMS_OTHER);
5638                 regval = E1000_READ_REG(hw, E1000_EIAC);
5639                 E1000_WRITE_REG(hw, E1000_EIAC, regval | E1000_EIMS_OTHER);
5640                 regval = E1000_READ_REG(hw, E1000_EIAM);
5641                 E1000_WRITE_REG(hw, E1000_EIMS, regval | E1000_EIMS_OTHER);
5642         } else if ((hw->mac.type == e1000_82576) ||
5643                         (hw->mac.type == e1000_82580) ||
5644                         (hw->mac.type == e1000_i350) ||
5645                         (hw->mac.type == e1000_i354) ||
5646                         (hw->mac.type == e1000_i210) ||
5647                         (hw->mac.type == e1000_i211)) {
5648                 /* turn on MSI-X capability first */
5649                 E1000_WRITE_REG(hw, E1000_GPIE, E1000_GPIE_MSIX_MODE |
5650                                         E1000_GPIE_PBA | E1000_GPIE_EIAME |
5651                                         E1000_GPIE_NSICR);
5652                 intr_mask = RTE_LEN2MASK(intr_handle->nb_efd, uint32_t) <<
5653                         misc_shift;
5654
5655                 if (dev->data->dev_conf.intr_conf.lsc != 0)
5656                         intr_mask |= (1 << IGB_MSIX_OTHER_INTR_VEC);
5657
5658                 regval = E1000_READ_REG(hw, E1000_EIAC);
5659                 E1000_WRITE_REG(hw, E1000_EIAC, regval | intr_mask);
5660
5661                 /* enable msix_other interrupt */
5662                 regval = E1000_READ_REG(hw, E1000_EIMS);
5663                 E1000_WRITE_REG(hw, E1000_EIMS, regval | intr_mask);
5664                 tmpval = (IGB_MSIX_OTHER_INTR_VEC | E1000_IVAR_VALID) << 8;
5665                 E1000_WRITE_REG(hw, E1000_IVAR_MISC, tmpval);
5666         }
5667
5668         /* use EIAM to auto-mask when MSI-X interrupt
5669          * is asserted, this saves a register write for every interrupt
5670          */
5671         intr_mask = RTE_LEN2MASK(intr_handle->nb_efd, uint32_t) <<
5672                 misc_shift;
5673
5674         if (dev->data->dev_conf.intr_conf.lsc != 0)
5675                 intr_mask |= (1 << IGB_MSIX_OTHER_INTR_VEC);
5676
5677         regval = E1000_READ_REG(hw, E1000_EIAM);
5678         E1000_WRITE_REG(hw, E1000_EIAM, regval | intr_mask);
5679
5680         for (queue_id = 0; queue_id < dev->data->nb_rx_queues; queue_id++) {
5681                 eth_igb_assign_msix_vector(hw, 0, queue_id, vec);
5682                 intr_handle->intr_vec[queue_id] = vec;
5683                 if (vec < base + intr_handle->nb_efd - 1)
5684                         vec++;
5685         }
5686
5687         E1000_WRITE_FLUSH(hw);
5688 }
5689
5690 /* restore n-tuple filter */
5691 static inline void
5692 igb_ntuple_filter_restore(struct rte_eth_dev *dev)
5693 {
5694         struct e1000_filter_info *filter_info =
5695                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
5696         struct e1000_5tuple_filter *p_5tuple;
5697         struct e1000_2tuple_filter *p_2tuple;
5698
5699         TAILQ_FOREACH(p_5tuple, &filter_info->fivetuple_list, entries) {
5700                 igb_inject_5tuple_filter_82576(dev, p_5tuple);
5701         }
5702
5703         TAILQ_FOREACH(p_2tuple, &filter_info->twotuple_list, entries) {
5704                 igb_inject_2uple_filter(dev, p_2tuple);
5705         }
5706 }
5707
5708 /* restore SYN filter */
5709 static inline void
5710 igb_syn_filter_restore(struct rte_eth_dev *dev)
5711 {
5712         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5713         struct e1000_filter_info *filter_info =
5714                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
5715         uint32_t synqf;
5716
5717         synqf = filter_info->syn_info;
5718
5719         if (synqf & E1000_SYN_FILTER_ENABLE) {
5720                 E1000_WRITE_REG(hw, E1000_SYNQF(0), synqf);
5721                 E1000_WRITE_FLUSH(hw);
5722         }
5723 }
5724
5725 /* restore ethernet type filter */
5726 static inline void
5727 igb_ethertype_filter_restore(struct rte_eth_dev *dev)
5728 {
5729         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5730         struct e1000_filter_info *filter_info =
5731                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
5732         int i;
5733
5734         for (i = 0; i < E1000_MAX_ETQF_FILTERS; i++) {
5735                 if (filter_info->ethertype_mask & (1 << i)) {
5736                         E1000_WRITE_REG(hw, E1000_ETQF(i),
5737                                 filter_info->ethertype_filters[i].etqf);
5738                         E1000_WRITE_FLUSH(hw);
5739                 }
5740         }
5741 }
5742
5743 /* restore flex byte filter */
5744 static inline void
5745 igb_flex_filter_restore(struct rte_eth_dev *dev)
5746 {
5747         struct e1000_filter_info *filter_info =
5748                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
5749         struct e1000_flex_filter *flex_filter;
5750
5751         TAILQ_FOREACH(flex_filter, &filter_info->flex_list, entries) {
5752                 igb_inject_flex_filter(dev, flex_filter);
5753         }
5754 }
5755
5756 /* restore rss filter */
5757 static inline void
5758 igb_rss_filter_restore(struct rte_eth_dev *dev)
5759 {
5760         struct e1000_filter_info *filter_info =
5761                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
5762
5763         if (filter_info->rss_info.conf.queue_num)
5764                 igb_config_rss_filter(dev, &filter_info->rss_info, TRUE);
5765 }
5766
5767 /* restore all types filter */
5768 static int
5769 igb_filter_restore(struct rte_eth_dev *dev)
5770 {
5771         igb_ntuple_filter_restore(dev);
5772         igb_ethertype_filter_restore(dev);
5773         igb_syn_filter_restore(dev);
5774         igb_flex_filter_restore(dev);
5775         igb_rss_filter_restore(dev);
5776
5777         return 0;
5778 }
5779
5780 RTE_PMD_REGISTER_PCI(net_e1000_igb, rte_igb_pmd);
5781 RTE_PMD_REGISTER_PCI_TABLE(net_e1000_igb, pci_id_igb_map);
5782 RTE_PMD_REGISTER_KMOD_DEP(net_e1000_igb, "* igb_uio | uio_pci_generic | vfio-pci");
5783 RTE_PMD_REGISTER_PCI(net_e1000_igb_vf, rte_igbvf_pmd);
5784 RTE_PMD_REGISTER_PCI_TABLE(net_e1000_igb_vf, pci_id_igbvf_map);
5785 RTE_PMD_REGISTER_KMOD_DEP(net_e1000_igb_vf, "* igb_uio | vfio-pci");
5786
5787 /* see e1000_logs.c */
5788 RTE_INIT(e1000_init_log)
5789 {
5790         e1000_igb_init_log();
5791 }