drivers/net/e1000/igb_ethdev.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2016 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <sys/queue.h>
  35 #include <stdio.h>
  36 #include <errno.h>
  37 #include <stdint.h>
  38 #include <stdarg.h>
  39
  40 #include <rte_common.h>
  41 #include <rte_interrupts.h>
  42 #include <rte_byteorder.h>
  43 #include <rte_log.h>
  44 #include <rte_debug.h>
  45 #include <rte_pci.h>
  46 #include <rte_ether.h>
  47 #include <rte_ethdev.h>
  48 #include <rte_memory.h>
  49 #include <rte_memzone.h>
  50 #include <rte_eal.h>
  51 #include <rte_atomic.h>
  52 #include <rte_malloc.h>
  53 #include <rte_dev.h>
  54
  55 #include "e1000_logs.h"
  56 #include "base/e1000_api.h"
  57 #include "e1000_ethdev.h"
  58 #include "igb_regs.h"
  59
  60 /*
  61  * Default values for port configuration
  62  */
  63 #define IGB_DEFAULT_RX_FREE_THRESH  32
  64
  65 #define IGB_DEFAULT_RX_PTHRESH      ((hw->mac.type == e1000_i354) ? 12 : 8)
  66 #define IGB_DEFAULT_RX_HTHRESH      8
  67 #define IGB_DEFAULT_RX_WTHRESH      ((hw->mac.type == e1000_82576) ? 1 : 4)
  68
  69 #define IGB_DEFAULT_TX_PTHRESH      ((hw->mac.type == e1000_i354) ? 20 : 8)
  70 #define IGB_DEFAULT_TX_HTHRESH      1
  71 #define IGB_DEFAULT_TX_WTHRESH      ((hw->mac.type == e1000_82576) ? 1 : 16)
  72
  73 #define IGB_HKEY_MAX_INDEX 10
  74
  75 /* Bit shift and mask */
  76 #define IGB_4_BIT_WIDTH  (CHAR_BIT / 2)
  77 #define IGB_4_BIT_MASK   RTE_LEN2MASK(IGB_4_BIT_WIDTH, uint8_t)
  78 #define IGB_8_BIT_WIDTH  CHAR_BIT
  79 #define IGB_8_BIT_MASK   UINT8_MAX
  80
  81 /* Additional timesync values. */
  82 #define E1000_CYCLECOUNTER_MASK      0xffffffffffffffffULL
  83 #define E1000_ETQF_FILTER_1588       3
  84 #define IGB_82576_TSYNC_SHIFT        16
  85 #define E1000_INCPERIOD_82576        (1 << E1000_TIMINCA_16NS_SHIFT)
  86 #define E1000_INCVALUE_82576         (16 << IGB_82576_TSYNC_SHIFT)
  87 #define E1000_TSAUXC_DISABLE_SYSTIME 0x80000000
  88
  89 #define E1000_VTIVAR_MISC                0x01740
  90 #define E1000_VTIVAR_MISC_MASK           0xFF
  91 #define E1000_VTIVAR_VALID               0x80
  92 #define E1000_VTIVAR_MISC_MAILBOX        0
  93 #define E1000_VTIVAR_MISC_INTR_MASK      0x3
  94
  95 /* External VLAN Enable bit mask */
  96 #define E1000_CTRL_EXT_EXT_VLAN      (1 << 26)
  97
  98 /* External VLAN Ether Type bit mask and shift */
  99 #define E1000_VET_VET_EXT            0xFFFF0000
 100 #define E1000_VET_VET_EXT_SHIFT      16
 101
 102 static int  eth_igb_configure(struct rte_eth_dev *dev);
 103 static int  eth_igb_start(struct rte_eth_dev *dev);
 104 static void eth_igb_stop(struct rte_eth_dev *dev);
 105 static int  eth_igb_dev_set_link_up(struct rte_eth_dev *dev);
 106 static int  eth_igb_dev_set_link_down(struct rte_eth_dev *dev);
 107 static void eth_igb_close(struct rte_eth_dev *dev);
 108 static void eth_igb_promiscuous_enable(struct rte_eth_dev *dev);
 109 static void eth_igb_promiscuous_disable(struct rte_eth_dev *dev);
 110 static void eth_igb_allmulticast_enable(struct rte_eth_dev *dev);
 111 static void eth_igb_allmulticast_disable(struct rte_eth_dev *dev);
 112 static int  eth_igb_link_update(struct rte_eth_dev *dev,
 113                                 int wait_to_complete);
 114 static void eth_igb_stats_get(struct rte_eth_dev *dev,
 115                                 struct rte_eth_stats *rte_stats);
 116 static int eth_igb_xstats_get(struct rte_eth_dev *dev,
 117                               struct rte_eth_xstat *xstats, unsigned n);
 118 static int eth_igb_xstats_get_names(struct rte_eth_dev *dev,
 119                                     struct rte_eth_xstat_name *xstats_names,
 120                                     unsigned limit);
 121 static void eth_igb_stats_reset(struct rte_eth_dev *dev);
 122 static void eth_igb_xstats_reset(struct rte_eth_dev *dev);
 123 static int eth_igb_fw_version_get(struct rte_eth_dev *dev,
 124                                    char *fw_version, size_t fw_size);
 125 static void eth_igb_infos_get(struct rte_eth_dev *dev,
 126                               struct rte_eth_dev_info *dev_info);
 127 static const uint32_t *eth_igb_supported_ptypes_get(struct rte_eth_dev *dev);
 128 static void eth_igbvf_infos_get(struct rte_eth_dev *dev,
 129                                 struct rte_eth_dev_info *dev_info);
 130 static int  eth_igb_flow_ctrl_get(struct rte_eth_dev *dev,
 131                                 struct rte_eth_fc_conf *fc_conf);
 132 static int  eth_igb_flow_ctrl_set(struct rte_eth_dev *dev,
 133                                 struct rte_eth_fc_conf *fc_conf);
 134 static int eth_igb_lsc_interrupt_setup(struct rte_eth_dev *dev);
 135 static int eth_igb_rxq_interrupt_setup(struct rte_eth_dev *dev);
 136 static int eth_igb_interrupt_get_status(struct rte_eth_dev *dev);
 137 static int eth_igb_interrupt_action(struct rte_eth_dev *dev,
 138                                     struct rte_intr_handle *handle);
 139 static void eth_igb_interrupt_handler(struct rte_intr_handle *handle,
 140                                                         void *param);
 141 static int  igb_hardware_init(struct e1000_hw *hw);
 142 static void igb_hw_control_acquire(struct e1000_hw *hw);
 143 static void igb_hw_control_release(struct e1000_hw *hw);
 144 static void igb_init_manageability(struct e1000_hw *hw);
 145 static void igb_release_manageability(struct e1000_hw *hw);
 146
 147 static int  eth_igb_mtu_set(struct rte_eth_dev *dev, uint16_t mtu);
 148
 149 static int eth_igb_vlan_filter_set(struct rte_eth_dev *dev,
 150                 uint16_t vlan_id, int on);
 151 static int eth_igb_vlan_tpid_set(struct rte_eth_dev *dev,
 152                                  enum rte_vlan_type vlan_type,
 153                                  uint16_t tpid_id);
 154 static void eth_igb_vlan_offload_set(struct rte_eth_dev *dev, int mask);
 155
 156 static void igb_vlan_hw_filter_enable(struct rte_eth_dev *dev);
 157 static void igb_vlan_hw_filter_disable(struct rte_eth_dev *dev);
 158 static void igb_vlan_hw_strip_enable(struct rte_eth_dev *dev);
 159 static void igb_vlan_hw_strip_disable(struct rte_eth_dev *dev);
 160 static void igb_vlan_hw_extend_enable(struct rte_eth_dev *dev);
 161 static void igb_vlan_hw_extend_disable(struct rte_eth_dev *dev);
 162
 163 static int eth_igb_led_on(struct rte_eth_dev *dev);
 164 static int eth_igb_led_off(struct rte_eth_dev *dev);
 165
 166 static void igb_intr_disable(struct e1000_hw *hw);
 167 static int  igb_get_rx_buffer_size(struct e1000_hw *hw);
 168 static void eth_igb_rar_set(struct rte_eth_dev *dev,
 169                 struct ether_addr *mac_addr,
 170                 uint32_t index, uint32_t pool);
 171 static void eth_igb_rar_clear(struct rte_eth_dev *dev, uint32_t index);
 172 static void eth_igb_default_mac_addr_set(struct rte_eth_dev *dev,
 173                 struct ether_addr *addr);
 174
 175 static void igbvf_intr_disable(struct e1000_hw *hw);
 176 static int igbvf_dev_configure(struct rte_eth_dev *dev);
 177 static int igbvf_dev_start(struct rte_eth_dev *dev);
 178 static void igbvf_dev_stop(struct rte_eth_dev *dev);
 179 static void igbvf_dev_close(struct rte_eth_dev *dev);
 180 static void igbvf_promiscuous_enable(struct rte_eth_dev *dev);
 181 static void igbvf_promiscuous_disable(struct rte_eth_dev *dev);
 182 static void igbvf_allmulticast_enable(struct rte_eth_dev *dev);
 183 static void igbvf_allmulticast_disable(struct rte_eth_dev *dev);
 184 static int eth_igbvf_link_update(struct e1000_hw *hw);
 185 static void eth_igbvf_stats_get(struct rte_eth_dev *dev,
 186                                 struct rte_eth_stats *rte_stats);
 187 static int eth_igbvf_xstats_get(struct rte_eth_dev *dev,
 188                                 struct rte_eth_xstat *xstats, unsigned n);
 189 static int eth_igbvf_xstats_get_names(struct rte_eth_dev *dev,
 190                                       struct rte_eth_xstat_name *xstats_names,
 191                                       unsigned limit);
 192 static void eth_igbvf_stats_reset(struct rte_eth_dev *dev);
 193 static int igbvf_vlan_filter_set(struct rte_eth_dev *dev,
 194                 uint16_t vlan_id, int on);
 195 static int igbvf_set_vfta(struct e1000_hw *hw, uint16_t vid, bool on);
 196 static void igbvf_set_vfta_all(struct rte_eth_dev *dev, bool on);
 197 static void igbvf_default_mac_addr_set(struct rte_eth_dev *dev,
 198                 struct ether_addr *addr);
 199 static int igbvf_get_reg_length(struct rte_eth_dev *dev);
 200 static int igbvf_get_regs(struct rte_eth_dev *dev,
 201                 struct rte_dev_reg_info *regs);
 202
 203 static int eth_igb_rss_reta_update(struct rte_eth_dev *dev,
 204                                    struct rte_eth_rss_reta_entry64 *reta_conf,
 205                                    uint16_t reta_size);
 206 static int eth_igb_rss_reta_query(struct rte_eth_dev *dev,
 207                                   struct rte_eth_rss_reta_entry64 *reta_conf,
 208                                   uint16_t reta_size);
 209
 210 static int eth_igb_syn_filter_set(struct rte_eth_dev *dev,
 211                         struct rte_eth_syn_filter *filter,
 212                         bool add);
 213 static int eth_igb_syn_filter_get(struct rte_eth_dev *dev,
 214                         struct rte_eth_syn_filter *filter);
 215 static int eth_igb_syn_filter_handle(struct rte_eth_dev *dev,
 216                         enum rte_filter_op filter_op,
 217                         void *arg);
 218 static int igb_add_2tuple_filter(struct rte_eth_dev *dev,
 219                         struct rte_eth_ntuple_filter *ntuple_filter);
 220 static int igb_remove_2tuple_filter(struct rte_eth_dev *dev,
 221                         struct rte_eth_ntuple_filter *ntuple_filter);
 222 static int eth_igb_add_del_flex_filter(struct rte_eth_dev *dev,
 223                         struct rte_eth_flex_filter *filter,
 224                         bool add);
 225 static int eth_igb_get_flex_filter(struct rte_eth_dev *dev,
 226                         struct rte_eth_flex_filter *filter);
 227 static int eth_igb_flex_filter_handle(struct rte_eth_dev *dev,
 228                         enum rte_filter_op filter_op,
 229                         void *arg);
 230 static int igb_add_5tuple_filter_82576(struct rte_eth_dev *dev,
 231                         struct rte_eth_ntuple_filter *ntuple_filter);
 232 static int igb_remove_5tuple_filter_82576(struct rte_eth_dev *dev,
 233                         struct rte_eth_ntuple_filter *ntuple_filter);
 234 static int igb_add_del_ntuple_filter(struct rte_eth_dev *dev,
 235                         struct rte_eth_ntuple_filter *filter,
 236                         bool add);
 237 static int igb_get_ntuple_filter(struct rte_eth_dev *dev,
 238                         struct rte_eth_ntuple_filter *filter);
 239 static int igb_ntuple_filter_handle(struct rte_eth_dev *dev,
 240                                 enum rte_filter_op filter_op,
 241                                 void *arg);
 242 static int igb_add_del_ethertype_filter(struct rte_eth_dev *dev,
 243                         struct rte_eth_ethertype_filter *filter,
 244                         bool add);
 245 static int igb_ethertype_filter_handle(struct rte_eth_dev *dev,
 246                                 enum rte_filter_op filter_op,
 247                                 void *arg);
 248 static int igb_get_ethertype_filter(struct rte_eth_dev *dev,
 249                         struct rte_eth_ethertype_filter *filter);
 250 static int eth_igb_filter_ctrl(struct rte_eth_dev *dev,
 251                      enum rte_filter_type filter_type,
 252                      enum rte_filter_op filter_op,
 253                      void *arg);
 254 static int eth_igb_get_reg_length(struct rte_eth_dev *dev);
 255 static int eth_igb_get_regs(struct rte_eth_dev *dev,
 256                 struct rte_dev_reg_info *regs);
 257 static int eth_igb_get_eeprom_length(struct rte_eth_dev *dev);
 258 static int eth_igb_get_eeprom(struct rte_eth_dev *dev,
 259                 struct rte_dev_eeprom_info *eeprom);
 260 static int eth_igb_set_eeprom(struct rte_eth_dev *dev,
 261                 struct rte_dev_eeprom_info *eeprom);
 262 static int eth_igb_set_mc_addr_list(struct rte_eth_dev *dev,
 263                                     struct ether_addr *mc_addr_set,
 264                                     uint32_t nb_mc_addr);
 265 static int igb_timesync_enable(struct rte_eth_dev *dev);
 266 static int igb_timesync_disable(struct rte_eth_dev *dev);
 267 static int igb_timesync_read_rx_timestamp(struct rte_eth_dev *dev,
 268                                           struct timespec *timestamp,
 269                                           uint32_t flags);
 270 static int igb_timesync_read_tx_timestamp(struct rte_eth_dev *dev,
 271                                           struct timespec *timestamp);
 272 static int igb_timesync_adjust_time(struct rte_eth_dev *dev, int64_t delta);
 273 static int igb_timesync_read_time(struct rte_eth_dev *dev,
 274                                   struct timespec *timestamp);
 275 static int igb_timesync_write_time(struct rte_eth_dev *dev,
 276                                    const struct timespec *timestamp);
 277 static int eth_igb_rx_queue_intr_enable(struct rte_eth_dev *dev,
 278                                         uint16_t queue_id);
 279 static int eth_igb_rx_queue_intr_disable(struct rte_eth_dev *dev,
 280                                          uint16_t queue_id);
 281 static void eth_igb_assign_msix_vector(struct e1000_hw *hw, int8_t direction,
 282                                        uint8_t queue, uint8_t msix_vector);
 283 static void eth_igb_write_ivar(struct e1000_hw *hw, uint8_t msix_vector,
 284                                uint8_t index, uint8_t offset);
 285 static void eth_igb_configure_msix_intr(struct rte_eth_dev *dev);
 286 static void eth_igbvf_interrupt_handler(struct rte_intr_handle *handle,
 287                                         void *param);
 288 static void igbvf_mbx_process(struct rte_eth_dev *dev);
 289
 290 /*
 291  * Define VF Stats MACRO for Non "cleared on read" register
 292  */
 293 #define UPDATE_VF_STAT(reg, last, cur)            \
 294 {                                                 \
 295         u32 latest = E1000_READ_REG(hw, reg);     \
 296         cur += (latest - last) & UINT_MAX;        \
 297         last = latest;                            \
 298 }
 299
 300 #define IGB_FC_PAUSE_TIME 0x0680
 301 #define IGB_LINK_UPDATE_CHECK_TIMEOUT  90  /* 9s */
 302 #define IGB_LINK_UPDATE_CHECK_INTERVAL 100 /* ms */
 303
 304 #define IGBVF_PMD_NAME "rte_igbvf_pmd"     /* PMD name */
 305
 306 static enum e1000_fc_mode igb_fc_setting = e1000_fc_full;
 307
 308 /*
 309  * The set of PCI devices this driver supports
 310  */
 311 static const struct rte_pci_id pci_id_igb_map[] = {
 312         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576) },
 313         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_FIBER) },
 314         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_SERDES) },
 315         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_QUAD_COPPER) },
 316         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_QUAD_COPPER_ET2) },
 317         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_NS) },
 318         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_NS_SERDES) },
 319         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_SERDES_QUAD) },
 320
 321         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82575EB_COPPER) },
 322         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82575EB_FIBER_SERDES) },
 323         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82575GB_QUAD_COPPER) },
 324
 325         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_COPPER) },
 326         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_FIBER) },
 327         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_SERDES) },
 328         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_SGMII) },
 329         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_COPPER_DUAL) },
 330         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82580_QUAD_FIBER) },
 331
 332         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_COPPER) },
 333         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_FIBER) },
 334         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_SERDES) },
 335         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_SGMII) },
 336         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_DA4) },
 337         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_COPPER) },
 338         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_COPPER_OEM1) },
 339         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_COPPER_IT) },
 340         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_FIBER) },
 341         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_SERDES) },
 342         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I210_SGMII) },
 343         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I211_COPPER) },
 344         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I354_BACKPLANE_1GBPS) },
 345         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I354_SGMII) },
 346         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I354_BACKPLANE_2_5GBPS) },
 347         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_DH89XXCC_SGMII) },
 348         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_DH89XXCC_SERDES) },
 349         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_DH89XXCC_BACKPLANE) },
 350         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_DH89XXCC_SFP) },
 351         { .vendor_id = 0, /* sentinel */ },
 352 };
 353
 354 /*
 355  * The set of PCI devices this driver supports (for 82576&I350 VF)
 356  */
 357 static const struct rte_pci_id pci_id_igbvf_map[] = {
 358         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_VF) },
 359         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_82576_VF_HV) },
 360         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_VF) },
 361         { RTE_PCI_DEVICE(E1000_INTEL_VENDOR_ID, E1000_DEV_ID_I350_VF_HV) },
 362         { .vendor_id = 0, /* sentinel */ },
 363 };
 364
 365 static const struct rte_eth_desc_lim rx_desc_lim = {
 366         .nb_max = E1000_MAX_RING_DESC,
 367         .nb_min = E1000_MIN_RING_DESC,
 368         .nb_align = IGB_RXD_ALIGN,
 369 };
 370
 371 static const struct rte_eth_desc_lim tx_desc_lim = {
 372         .nb_max = E1000_MAX_RING_DESC,
 373         .nb_min = E1000_MIN_RING_DESC,
 374         .nb_align = IGB_RXD_ALIGN,
 375         .nb_seg_max = IGB_TX_MAX_SEG,
 376         .nb_mtu_seg_max = IGB_TX_MAX_MTU_SEG,
 377 };
 378
 379 static const struct eth_dev_ops eth_igb_ops = {
 380         .dev_configure        = eth_igb_configure,
 381         .dev_start            = eth_igb_start,
 382         .dev_stop             = eth_igb_stop,
 383         .dev_set_link_up      = eth_igb_dev_set_link_up,
 384         .dev_set_link_down    = eth_igb_dev_set_link_down,
 385         .dev_close            = eth_igb_close,
 386         .promiscuous_enable   = eth_igb_promiscuous_enable,
 387         .promiscuous_disable  = eth_igb_promiscuous_disable,
 388         .allmulticast_enable  = eth_igb_allmulticast_enable,
 389         .allmulticast_disable = eth_igb_allmulticast_disable,
 390         .link_update          = eth_igb_link_update,
 391         .stats_get            = eth_igb_stats_get,
 392         .xstats_get           = eth_igb_xstats_get,
 393         .xstats_get_names     = eth_igb_xstats_get_names,
 394         .stats_reset          = eth_igb_stats_reset,
 395         .xstats_reset         = eth_igb_xstats_reset,
 396         .fw_version_get       = eth_igb_fw_version_get,
 397         .dev_infos_get        = eth_igb_infos_get,
 398         .dev_supported_ptypes_get = eth_igb_supported_ptypes_get,
 399         .mtu_set              = eth_igb_mtu_set,
 400         .vlan_filter_set      = eth_igb_vlan_filter_set,
 401         .vlan_tpid_set        = eth_igb_vlan_tpid_set,
 402         .vlan_offload_set     = eth_igb_vlan_offload_set,
 403         .rx_queue_setup       = eth_igb_rx_queue_setup,
 404         .rx_queue_intr_enable = eth_igb_rx_queue_intr_enable,
 405         .rx_queue_intr_disable = eth_igb_rx_queue_intr_disable,
 406         .rx_queue_release     = eth_igb_rx_queue_release,
 407         .rx_queue_count       = eth_igb_rx_queue_count,
 408         .rx_descriptor_done   = eth_igb_rx_descriptor_done,
 409         .tx_queue_setup       = eth_igb_tx_queue_setup,
 410         .tx_queue_release     = eth_igb_tx_queue_release,
 411         .dev_led_on           = eth_igb_led_on,
 412         .dev_led_off          = eth_igb_led_off,
 413         .flow_ctrl_get        = eth_igb_flow_ctrl_get,
 414         .flow_ctrl_set        = eth_igb_flow_ctrl_set,
 415         .mac_addr_add         = eth_igb_rar_set,
 416         .mac_addr_remove      = eth_igb_rar_clear,
 417         .mac_addr_set         = eth_igb_default_mac_addr_set,
 418         .reta_update          = eth_igb_rss_reta_update,
 419         .reta_query           = eth_igb_rss_reta_query,
 420         .rss_hash_update      = eth_igb_rss_hash_update,
 421         .rss_hash_conf_get    = eth_igb_rss_hash_conf_get,
 422         .filter_ctrl          = eth_igb_filter_ctrl,
 423         .set_mc_addr_list     = eth_igb_set_mc_addr_list,
 424         .rxq_info_get         = igb_rxq_info_get,
 425         .txq_info_get         = igb_txq_info_get,
 426         .timesync_enable      = igb_timesync_enable,
 427         .timesync_disable     = igb_timesync_disable,
 428         .timesync_read_rx_timestamp = igb_timesync_read_rx_timestamp,
 429         .timesync_read_tx_timestamp = igb_timesync_read_tx_timestamp,
 430         .get_reg              = eth_igb_get_regs,
 431         .get_eeprom_length    = eth_igb_get_eeprom_length,
 432         .get_eeprom           = eth_igb_get_eeprom,
 433         .set_eeprom           = eth_igb_set_eeprom,
 434         .timesync_adjust_time = igb_timesync_adjust_time,
 435         .timesync_read_time   = igb_timesync_read_time,
 436         .timesync_write_time  = igb_timesync_write_time,
 437 };
 438
 439 /*
 440  * dev_ops for virtual function, bare necessities for basic vf
 441  * operation have been implemented
 442  */
 443 static const struct eth_dev_ops igbvf_eth_dev_ops = {
 444         .dev_configure        = igbvf_dev_configure,
 445         .dev_start            = igbvf_dev_start,
 446         .dev_stop             = igbvf_dev_stop,
 447         .dev_close            = igbvf_dev_close,
 448         .promiscuous_enable   = igbvf_promiscuous_enable,
 449         .promiscuous_disable  = igbvf_promiscuous_disable,
 450         .allmulticast_enable  = igbvf_allmulticast_enable,
 451         .allmulticast_disable = igbvf_allmulticast_disable,
 452         .link_update          = eth_igb_link_update,
 453         .stats_get            = eth_igbvf_stats_get,
 454         .xstats_get           = eth_igbvf_xstats_get,
 455         .xstats_get_names     = eth_igbvf_xstats_get_names,
 456         .stats_reset          = eth_igbvf_stats_reset,
 457         .xstats_reset         = eth_igbvf_stats_reset,
 458         .vlan_filter_set      = igbvf_vlan_filter_set,
 459         .dev_infos_get        = eth_igbvf_infos_get,
 460         .dev_supported_ptypes_get = eth_igb_supported_ptypes_get,
 461         .rx_queue_setup       = eth_igb_rx_queue_setup,
 462         .rx_queue_release     = eth_igb_rx_queue_release,
 463         .tx_queue_setup       = eth_igb_tx_queue_setup,
 464         .tx_queue_release     = eth_igb_tx_queue_release,
 465         .set_mc_addr_list     = eth_igb_set_mc_addr_list,
 466         .rxq_info_get         = igb_rxq_info_get,
 467         .txq_info_get         = igb_txq_info_get,
 468         .mac_addr_set         = igbvf_default_mac_addr_set,
 469         .get_reg              = igbvf_get_regs,
 470 };
 471
 472 /* store statistics names and its offset in stats structure */
 473 struct rte_igb_xstats_name_off {
 474         char name[RTE_ETH_XSTATS_NAME_SIZE];
 475         unsigned offset;
 476 };
 477
 478 static const struct rte_igb_xstats_name_off rte_igb_stats_strings[] = {
 479         {"rx_crc_errors", offsetof(struct e1000_hw_stats, crcerrs)},
 480         {"rx_align_errors", offsetof(struct e1000_hw_stats, algnerrc)},
 481         {"rx_symbol_errors", offsetof(struct e1000_hw_stats, symerrs)},
 482         {"rx_missed_packets", offsetof(struct e1000_hw_stats, mpc)},
 483         {"tx_single_collision_packets", offsetof(struct e1000_hw_stats, scc)},
 484         {"tx_multiple_collision_packets", offsetof(struct e1000_hw_stats, mcc)},
 485         {"tx_excessive_collision_packets", offsetof(struct e1000_hw_stats,
 486                 ecol)},
 487         {"tx_late_collisions", offsetof(struct e1000_hw_stats, latecol)},
 488         {"tx_total_collisions", offsetof(struct e1000_hw_stats, colc)},
 489         {"tx_deferred_packets", offsetof(struct e1000_hw_stats, dc)},
 490         {"tx_no_carrier_sense_packets", offsetof(struct e1000_hw_stats, tncrs)},
 491         {"rx_carrier_ext_errors", offsetof(struct e1000_hw_stats, cexterr)},
 492         {"rx_length_errors", offsetof(struct e1000_hw_stats, rlec)},
 493         {"rx_xon_packets", offsetof(struct e1000_hw_stats, xonrxc)},
 494         {"tx_xon_packets", offsetof(struct e1000_hw_stats, xontxc)},
 495         {"rx_xoff_packets", offsetof(struct e1000_hw_stats, xoffrxc)},
 496         {"tx_xoff_packets", offsetof(struct e1000_hw_stats, xofftxc)},
 497         {"rx_flow_control_unsupported_packets", offsetof(struct e1000_hw_stats,
 498                 fcruc)},
 499         {"rx_size_64_packets", offsetof(struct e1000_hw_stats, prc64)},
 500         {"rx_size_65_to_127_packets", offsetof(struct e1000_hw_stats, prc127)},
 501         {"rx_size_128_to_255_packets", offsetof(struct e1000_hw_stats, prc255)},
 502         {"rx_size_256_to_511_packets", offsetof(struct e1000_hw_stats, prc511)},
 503         {"rx_size_512_to_1023_packets", offsetof(struct e1000_hw_stats,
 504                 prc1023)},
 505         {"rx_size_1024_to_max_packets", offsetof(struct e1000_hw_stats,
 506                 prc1522)},
 507         {"rx_broadcast_packets", offsetof(struct e1000_hw_stats, bprc)},
 508         {"rx_multicast_packets", offsetof(struct e1000_hw_stats, mprc)},
 509         {"rx_undersize_errors", offsetof(struct e1000_hw_stats, ruc)},
 510         {"rx_fragment_errors", offsetof(struct e1000_hw_stats, rfc)},
 511         {"rx_oversize_errors", offsetof(struct e1000_hw_stats, roc)},
 512         {"rx_jabber_errors", offsetof(struct e1000_hw_stats, rjc)},
 513         {"rx_management_packets", offsetof(struct e1000_hw_stats, mgprc)},
 514         {"rx_management_dropped", offsetof(struct e1000_hw_stats, mgpdc)},
 515         {"tx_management_packets", offsetof(struct e1000_hw_stats, mgptc)},
 516         {"rx_total_packets", offsetof(struct e1000_hw_stats, tpr)},
 517         {"tx_total_packets", offsetof(struct e1000_hw_stats, tpt)},
 518         {"rx_total_bytes", offsetof(struct e1000_hw_stats, tor)},
 519         {"tx_total_bytes", offsetof(struct e1000_hw_stats, tot)},
 520         {"tx_size_64_packets", offsetof(struct e1000_hw_stats, ptc64)},
 521         {"tx_size_65_to_127_packets", offsetof(struct e1000_hw_stats, ptc127)},
 522         {"tx_size_128_to_255_packets", offsetof(struct e1000_hw_stats, ptc255)},
 523         {"tx_size_256_to_511_packets", offsetof(struct e1000_hw_stats, ptc511)},
 524         {"tx_size_512_to_1023_packets", offsetof(struct e1000_hw_stats,
 525                 ptc1023)},
 526         {"tx_size_1023_to_max_packets", offsetof(struct e1000_hw_stats,
 527                 ptc1522)},
 528         {"tx_multicast_packets", offsetof(struct e1000_hw_stats, mptc)},
 529         {"tx_broadcast_packets", offsetof(struct e1000_hw_stats, bptc)},
 530         {"tx_tso_packets", offsetof(struct e1000_hw_stats, tsctc)},
 531         {"tx_tso_errors", offsetof(struct e1000_hw_stats, tsctfc)},
 532         {"rx_sent_to_host_packets", offsetof(struct e1000_hw_stats, rpthc)},
 533         {"tx_sent_by_host_packets", offsetof(struct e1000_hw_stats, hgptc)},
 534         {"rx_code_violation_packets", offsetof(struct e1000_hw_stats, scvpc)},
 535
 536         {"interrupt_assert_count", offsetof(struct e1000_hw_stats, iac)},
 537 };
 538
 539 #define IGB_NB_XSTATS (sizeof(rte_igb_stats_strings) / \
 540                 sizeof(rte_igb_stats_strings[0]))
 541
 542 static const struct rte_igb_xstats_name_off rte_igbvf_stats_strings[] = {
 543         {"rx_multicast_packets", offsetof(struct e1000_vf_stats, mprc)},
 544         {"rx_good_loopback_packets", offsetof(struct e1000_vf_stats, gprlbc)},
 545         {"tx_good_loopback_packets", offsetof(struct e1000_vf_stats, gptlbc)},
 546         {"rx_good_loopback_bytes", offsetof(struct e1000_vf_stats, gorlbc)},
 547         {"tx_good_loopback_bytes", offsetof(struct e1000_vf_stats, gotlbc)},
 548 };
 549
 550 #define IGBVF_NB_XSTATS (sizeof(rte_igbvf_stats_strings) / \
 551                 sizeof(rte_igbvf_stats_strings[0]))
 552
 553 /**
 554  * Atomically reads the link status information from global
 555  * structure rte_eth_dev.
 556  *
 557  * @param dev
 558  *   - Pointer to the structure rte_eth_dev to read from.
 559  *   - Pointer to the buffer to be saved with the link status.
 560  *
 561  * @return
 562  *   - On success, zero.
 563  *   - On failure, negative value.
 564  */
 565 static inline int
 566 rte_igb_dev_atomic_read_link_status(struct rte_eth_dev *dev,
 567                                 struct rte_eth_link *link)
 568 {
 569         struct rte_eth_link *dst = link;
 570         struct rte_eth_link *src = &(dev->data->dev_link);
 571
 572         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
 573                                         *(uint64_t *)src) == 0)
 574                 return -1;
 575
 576         return 0;
 577 }
 578
 579 /**
 580  * Atomically writes the link status information into global
 581  * structure rte_eth_dev.
 582  *
 583  * @param dev
 584  *   - Pointer to the structure rte_eth_dev to read from.
 585  *   - Pointer to the buffer to be saved with the link status.
 586  *
 587  * @return
 588  *   - On success, zero.
 589  *   - On failure, negative value.
 590  */
 591 static inline int
 592 rte_igb_dev_atomic_write_link_status(struct rte_eth_dev *dev,
 593                                 struct rte_eth_link *link)
 594 {
 595         struct rte_eth_link *dst = &(dev->data->dev_link);
 596         struct rte_eth_link *src = link;
 597
 598         if (rte_atomic64_cmpset((uint64_t *)dst, *(uint64_t *)dst,
 599                                         *(uint64_t *)src) == 0)
 600                 return -1;
 601
 602         return 0;
 603 }
 604
 605 static inline void
 606 igb_intr_enable(struct rte_eth_dev *dev)
 607 {
 608         struct e1000_interrupt *intr =
 609                 E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
 610         struct e1000_hw *hw =
 611                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 612
 613         E1000_WRITE_REG(hw, E1000_IMS, intr->mask);
 614         E1000_WRITE_FLUSH(hw);
 615 }
 616
 617 static void
 618 igb_intr_disable(struct e1000_hw *hw)
 619 {
 620         E1000_WRITE_REG(hw, E1000_IMC, ~0);
 621         E1000_WRITE_FLUSH(hw);
 622 }
 623
 624 static inline void
 625 igbvf_intr_enable(struct rte_eth_dev *dev)
 626 {
 627         struct e1000_hw *hw =
 628                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 629
 630         /* only for mailbox */
 631         E1000_WRITE_REG(hw, E1000_EIAM, 1 << E1000_VTIVAR_MISC_MAILBOX);
 632         E1000_WRITE_REG(hw, E1000_EIAC, 1 << E1000_VTIVAR_MISC_MAILBOX);
 633         E1000_WRITE_REG(hw, E1000_EIMS, 1 << E1000_VTIVAR_MISC_MAILBOX);
 634         E1000_WRITE_FLUSH(hw);
 635 }
 636
 637 /* only for mailbox now. If RX/TX needed, should extend this function.  */
 638 static void
 639 igbvf_set_ivar_map(struct e1000_hw *hw, uint8_t msix_vector)
 640 {
 641         uint32_t tmp = 0;
 642
 643         /* mailbox */
 644         tmp |= (msix_vector & E1000_VTIVAR_MISC_INTR_MASK);
 645         tmp |= E1000_VTIVAR_VALID;
 646         E1000_WRITE_REG(hw, E1000_VTIVAR_MISC, tmp);
 647 }
 648
 649 static void
 650 eth_igbvf_configure_msix_intr(struct rte_eth_dev *dev)
 651 {
 652         struct e1000_hw *hw =
 653                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 654
 655         /* Configure VF other cause ivar */
 656         igbvf_set_ivar_map(hw, E1000_VTIVAR_MISC_MAILBOX);
 657 }
 658
 659 static inline int32_t
 660 igb_pf_reset_hw(struct e1000_hw *hw)
 661 {
 662         uint32_t ctrl_ext;
 663         int32_t status;
 664
 665         status = e1000_reset_hw(hw);
 666
 667         ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
 668         /* Set PF Reset Done bit so PF/VF Mail Ops can work */
 669         ctrl_ext |= E1000_CTRL_EXT_PFRSTD;
 670         E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
 671         E1000_WRITE_FLUSH(hw);
 672
 673         return status;
 674 }
 675
 676 static void
 677 igb_identify_hardware(struct rte_eth_dev *dev, struct rte_pci_device *pci_dev)
 678 {
 679         struct e1000_hw *hw =
 680                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
 681
 682
 683         hw->vendor_id = pci_dev->id.vendor_id;
 684         hw->device_id = pci_dev->id.device_id;
 685         hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id;
 686         hw->subsystem_device_id = pci_dev->id.subsystem_device_id;
 687
 688         e1000_set_mac_type(hw);
 689
 690         /* need to check if it is a vf device below */
 691 }
 692
 693 static int
 694 igb_reset_swfw_lock(struct e1000_hw *hw)
 695 {
 696         int ret_val;
 697
 698         /*
 699          * Do mac ops initialization manually here, since we will need
 700          * some function pointers set by this call.
 701          */
 702         ret_val = e1000_init_mac_params(hw);
 703         if (ret_val)
 704                 return ret_val;
 705
 706         /*
 707          * SMBI lock should not fail in this early stage. If this is the case,
 708          * it is due to an improper exit of the application.
 709          * So force the release of the faulty lock.
 710          */
 711         if (e1000_get_hw_semaphore_generic(hw) < 0) {
 712                 PMD_DRV_LOG(DEBUG, "SMBI lock released");
 713         }
 714         e1000_put_hw_semaphore_generic(hw);
 715
 716         if (hw->mac.ops.acquire_swfw_sync != NULL) {
 717                 uint16_t mask;
 718
 719                 /*
 720                  * Phy lock should not fail in this early stage. If this is the case,
 721                  * it is due to an improper exit of the application.
 722                  * So force the release of the faulty lock.
 723                  */
 724                 mask = E1000_SWFW_PHY0_SM << hw->bus.func;
 725                 if (hw->bus.func > E1000_FUNC_1)
 726                         mask <<= 2;
 727                 if (hw->mac.ops.acquire_swfw_sync(hw, mask) < 0) {
 728                         PMD_DRV_LOG(DEBUG, "SWFW phy%d lock released",
 729                                     hw->bus.func);
 730                 }
 731                 hw->mac.ops.release_swfw_sync(hw, mask);
 732
 733                 /*
 734                  * This one is more tricky since it is common to all ports; but
 735                  * swfw_sync retries last long enough (1s) to be almost sure that if
 736                  * lock can not be taken it is due to an improper lock of the
 737                  * semaphore.
 738                  */
 739                 mask = E1000_SWFW_EEP_SM;
 740                 if (hw->mac.ops.acquire_swfw_sync(hw, mask) < 0) {
 741                         PMD_DRV_LOG(DEBUG, "SWFW common locks released");
 742                 }
 743                 hw->mac.ops.release_swfw_sync(hw, mask);
 744         }
 745
 746         return E1000_SUCCESS;
 747 }
 748
 749 static int
 750 eth_igb_dev_init(struct rte_eth_dev *eth_dev)
 751 {
 752         int error = 0;
 753         struct rte_pci_device *pci_dev = E1000_DEV_TO_PCI(eth_dev);
 754         struct e1000_hw *hw =
 755                 E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
 756         struct e1000_vfta * shadow_vfta =
 757                 E1000_DEV_PRIVATE_TO_VFTA(eth_dev->data->dev_private);
 758         struct e1000_filter_info *filter_info =
 759                 E1000_DEV_PRIVATE_TO_FILTER_INFO(eth_dev->data->dev_private);
 760         struct e1000_adapter *adapter =
 761                 E1000_DEV_PRIVATE(eth_dev->data->dev_private);
 762
 763         uint32_t ctrl_ext;
 764
 765         eth_dev->dev_ops = &eth_igb_ops;
 766         eth_dev->rx_pkt_burst = &eth_igb_recv_pkts;
 767         eth_dev->tx_pkt_burst = &eth_igb_xmit_pkts;
 768         eth_dev->tx_pkt_prepare = &eth_igb_prep_pkts;
 769
 770         /* for secondary processes, we don't initialise any further as primary
 771          * has already done this work. Only check we don't need a different
 772          * RX function */
 773         if (rte_eal_process_type() != RTE_PROC_PRIMARY){
 774                 if (eth_dev->data->scattered_rx)
 775                         eth_dev->rx_pkt_burst = &eth_igb_recv_scattered_pkts;
 776                 return 0;
 777         }
 778
 779         rte_eth_copy_pci_info(eth_dev, pci_dev);
 780         eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
 781
 782         hw->hw_addr= (void *)pci_dev->mem_resource[0].addr;
 783
 784         igb_identify_hardware(eth_dev, pci_dev);
 785         if (e1000_setup_init_funcs(hw, FALSE) != E1000_SUCCESS) {
 786                 error = -EIO;
 787                 goto err_late;
 788         }
 789
 790         e1000_get_bus_info(hw);
 791
 792         /* Reset any pending lock */
 793         if (igb_reset_swfw_lock(hw) != E1000_SUCCESS) {
 794                 error = -EIO;
 795                 goto err_late;
 796         }
 797
 798         /* Finish initialization */
 799         if (e1000_setup_init_funcs(hw, TRUE) != E1000_SUCCESS) {
 800                 error = -EIO;
 801                 goto err_late;
 802         }
 803
 804         hw->mac.autoneg = 1;
 805         hw->phy.autoneg_wait_to_complete = 0;
 806         hw->phy.autoneg_advertised = E1000_ALL_SPEED_DUPLEX;
 807
 808         /* Copper options */
 809         if (hw->phy.media_type == e1000_media_type_copper) {
 810                 hw->phy.mdix = 0; /* AUTO_ALL_MODES */
 811                 hw->phy.disable_polarity_correction = 0;
 812                 hw->phy.ms_type = e1000_ms_hw_default;
 813         }
 814
 815         /*
 816          * Start from a known state, this is important in reading the nvm
 817          * and mac from that.
 818          */
 819         igb_pf_reset_hw(hw);
 820
 821         /* Make sure we have a good EEPROM before we read from it */
 822         if (e1000_validate_nvm_checksum(hw) < 0) {
 823                 /*
 824                  * Some PCI-E parts fail the first check due to
 825                  * the link being in sleep state, call it again,
 826                  * if it fails a second time its a real issue.
 827                  */
 828                 if (e1000_validate_nvm_checksum(hw) < 0) {
 829                         PMD_INIT_LOG(ERR, "EEPROM checksum invalid");
 830                         error = -EIO;
 831                         goto err_late;
 832                 }
 833         }
 834
 835         /* Read the permanent MAC address out of the EEPROM */
 836         if (e1000_read_mac_addr(hw) != 0) {
 837                 PMD_INIT_LOG(ERR, "EEPROM error while reading MAC address");
 838                 error = -EIO;
 839                 goto err_late;
 840         }
 841
 842         /* Allocate memory for storing MAC addresses */
 843         eth_dev->data->mac_addrs = rte_zmalloc("e1000",
 844                 ETHER_ADDR_LEN * hw->mac.rar_entry_count, 0);
 845         if (eth_dev->data->mac_addrs == NULL) {
 846                 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to "
 847                                                 "store MAC addresses",
 848                                 ETHER_ADDR_LEN * hw->mac.rar_entry_count);
 849                 error = -ENOMEM;
 850                 goto err_late;
 851         }
 852
 853         /* Copy the permanent MAC address */
 854         ether_addr_copy((struct ether_addr *)hw->mac.addr, &eth_dev->data->mac_addrs[0]);
 855
 856         /* initialize the vfta */
 857         memset(shadow_vfta, 0, sizeof(*shadow_vfta));
 858
 859         /* Now initialize the hardware */
 860         if (igb_hardware_init(hw) != 0) {
 861                 PMD_INIT_LOG(ERR, "Hardware initialization failed");
 862                 rte_free(eth_dev->data->mac_addrs);
 863                 eth_dev->data->mac_addrs = NULL;
 864                 error = -ENODEV;
 865                 goto err_late;
 866         }
 867         hw->mac.get_link_status = 1;
 868         adapter->stopped = 0;
 869
 870         /* Indicate SOL/IDER usage */
 871         if (e1000_check_reset_block(hw) < 0) {
 872                 PMD_INIT_LOG(ERR, "PHY reset is blocked due to"
 873                                         "SOL/IDER session");
 874         }
 875
 876         /* initialize PF if max_vfs not zero */
 877         igb_pf_host_init(eth_dev);
 878
 879         ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
 880         /* Set PF Reset Done bit so PF/VF Mail Ops can work */
 881         ctrl_ext |= E1000_CTRL_EXT_PFRSTD;
 882         E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
 883         E1000_WRITE_FLUSH(hw);
 884
 885         PMD_INIT_LOG(DEBUG, "port_id %d vendorID=0x%x deviceID=0x%x",
 886                      eth_dev->data->port_id, pci_dev->id.vendor_id,
 887                      pci_dev->id.device_id);
 888
 889         rte_intr_callback_register(&pci_dev->intr_handle,
 890                                    eth_igb_interrupt_handler,
 891                                    (void *)eth_dev);
 892
 893         /* enable uio/vfio intr/eventfd mapping */
 894         rte_intr_enable(&pci_dev->intr_handle);
 895
 896         /* enable support intr */
 897         igb_intr_enable(eth_dev);
 898
 899         TAILQ_INIT(&filter_info->flex_list);
 900         filter_info->flex_mask = 0;
 901         TAILQ_INIT(&filter_info->twotuple_list);
 902         filter_info->twotuple_mask = 0;
 903         TAILQ_INIT(&filter_info->fivetuple_list);
 904         filter_info->fivetuple_mask = 0;
 905
 906         return 0;
 907
 908 err_late:
 909         igb_hw_control_release(hw);
 910
 911         return error;
 912 }
 913
 914 static int
 915 eth_igb_dev_uninit(struct rte_eth_dev *eth_dev)
 916 {
 917         struct rte_pci_device *pci_dev;
 918         struct rte_intr_handle *intr_handle;
 919         struct e1000_hw *hw;
 920         struct e1000_adapter *adapter =
 921                 E1000_DEV_PRIVATE(eth_dev->data->dev_private);
 922
 923         PMD_INIT_FUNC_TRACE();
 924
 925         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
 926                 return -EPERM;
 927
 928         hw = E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
 929         pci_dev = E1000_DEV_TO_PCI(eth_dev);
 930         intr_handle = &pci_dev->intr_handle;
 931
 932         if (adapter->stopped == 0)
 933                 eth_igb_close(eth_dev);
 934
 935         eth_dev->dev_ops = NULL;
 936         eth_dev->rx_pkt_burst = NULL;
 937         eth_dev->tx_pkt_burst = NULL;
 938
 939         /* Reset any pending lock */
 940         igb_reset_swfw_lock(hw);
 941
 942         rte_free(eth_dev->data->mac_addrs);
 943         eth_dev->data->mac_addrs = NULL;
 944
 945         /* uninitialize PF if max_vfs not zero */
 946         igb_pf_host_uninit(eth_dev);
 947
 948         /* disable uio intr before callback unregister */
 949         rte_intr_disable(intr_handle);
 950         rte_intr_callback_unregister(intr_handle,
 951                                      eth_igb_interrupt_handler, eth_dev);
 952
 953         return 0;
 954 }
 955
 956 /*
 957  * Virtual Function device init
 958  */
 959 static int
 960 eth_igbvf_dev_init(struct rte_eth_dev *eth_dev)
 961 {
 962         struct rte_pci_device *pci_dev;
 963         struct rte_intr_handle *intr_handle;
 964         struct e1000_adapter *adapter =
 965                 E1000_DEV_PRIVATE(eth_dev->data->dev_private);
 966         struct e1000_hw *hw =
 967                 E1000_DEV_PRIVATE_TO_HW(eth_dev->data->dev_private);
 968         int diag;
 969         struct ether_addr *perm_addr = (struct ether_addr *)hw->mac.perm_addr;
 970
 971         PMD_INIT_FUNC_TRACE();
 972
 973         eth_dev->dev_ops = &igbvf_eth_dev_ops;
 974         eth_dev->rx_pkt_burst = &eth_igb_recv_pkts;
 975         eth_dev->tx_pkt_burst = &eth_igb_xmit_pkts;
 976         eth_dev->tx_pkt_prepare = &eth_igb_prep_pkts;
 977
 978         /* for secondary processes, we don't initialise any further as primary
 979          * has already done this work. Only check we don't need a different
 980          * RX function */
 981         if (rte_eal_process_type() != RTE_PROC_PRIMARY){
 982                 if (eth_dev->data->scattered_rx)
 983                         eth_dev->rx_pkt_burst = &eth_igb_recv_scattered_pkts;
 984                 return 0;
 985         }
 986
 987         pci_dev = E1000_DEV_TO_PCI(eth_dev);
 988         rte_eth_copy_pci_info(eth_dev, pci_dev);
 989         eth_dev->data->dev_flags = RTE_ETH_DEV_DETACHABLE;
 990
 991         hw->device_id = pci_dev->id.device_id;
 992         hw->vendor_id = pci_dev->id.vendor_id;
 993         hw->hw_addr = (void *)pci_dev->mem_resource[0].addr;
 994         adapter->stopped = 0;
 995
 996         /* Initialize the shared code (base driver) */
 997         diag = e1000_setup_init_funcs(hw, TRUE);
 998         if (diag != 0) {
 999                 PMD_INIT_LOG(ERR, "Shared code init failed for igbvf: %d",
1000                         diag);
1001                 return -EIO;
1002         }
1003
1004         /* init_mailbox_params */
1005         hw->mbx.ops.init_params(hw);
1006
1007         /* Disable the interrupts for VF */
1008         igbvf_intr_disable(hw);
1009
1010         diag = hw->mac.ops.reset_hw(hw);
1011
1012         /* Allocate memory for storing MAC addresses */
1013         eth_dev->data->mac_addrs = rte_zmalloc("igbvf", ETHER_ADDR_LEN *
1014                 hw->mac.rar_entry_count, 0);
1015         if (eth_dev->data->mac_addrs == NULL) {
1016                 PMD_INIT_LOG(ERR,
1017                         "Failed to allocate %d bytes needed to store MAC "
1018                         "addresses",
1019                         ETHER_ADDR_LEN * hw->mac.rar_entry_count);
1020                 return -ENOMEM;
1021         }
1022
1023         /* Generate a random MAC address, if none was assigned by PF. */
1024         if (is_zero_ether_addr(perm_addr)) {
1025                 eth_random_addr(perm_addr->addr_bytes);
1026                 diag = e1000_rar_set(hw, perm_addr->addr_bytes, 0);
1027                 if (diag) {
1028                         rte_free(eth_dev->data->mac_addrs);
1029                         eth_dev->data->mac_addrs = NULL;
1030                         return diag;
1031                 }
1032                 PMD_INIT_LOG(INFO, "\tVF MAC address not assigned by Host PF");
1033                 PMD_INIT_LOG(INFO, "\tAssign randomly generated MAC address "
1034                              "%02x:%02x:%02x:%02x:%02x:%02x",
1035                              perm_addr->addr_bytes[0],
1036                              perm_addr->addr_bytes[1],
1037                              perm_addr->addr_bytes[2],
1038                              perm_addr->addr_bytes[3],
1039                              perm_addr->addr_bytes[4],
1040                              perm_addr->addr_bytes[5]);
1041         }
1042
1043         /* Copy the permanent MAC address */
1044         ether_addr_copy((struct ether_addr *) hw->mac.perm_addr,
1045                         &eth_dev->data->mac_addrs[0]);
1046
1047         PMD_INIT_LOG(DEBUG, "port %d vendorID=0x%x deviceID=0x%x "
1048                      "mac.type=%s",
1049                      eth_dev->data->port_id, pci_dev->id.vendor_id,
1050                      pci_dev->id.device_id, "igb_mac_82576_vf");
1051
1052         intr_handle = &pci_dev->intr_handle;
1053         rte_intr_callback_register(intr_handle,
1054                                    eth_igbvf_interrupt_handler, eth_dev);
1055
1056         return 0;
1057 }
1058
1059 static int
1060 eth_igbvf_dev_uninit(struct rte_eth_dev *eth_dev)
1061 {
1062         struct e1000_adapter *adapter =
1063                 E1000_DEV_PRIVATE(eth_dev->data->dev_private);
1064         struct rte_pci_device *pci_dev = E1000_DEV_TO_PCI(eth_dev);
1065
1066         PMD_INIT_FUNC_TRACE();
1067
1068         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
1069                 return -EPERM;
1070
1071         if (adapter->stopped == 0)
1072                 igbvf_dev_close(eth_dev);
1073
1074         eth_dev->dev_ops = NULL;
1075         eth_dev->rx_pkt_burst = NULL;
1076         eth_dev->tx_pkt_burst = NULL;
1077
1078         rte_free(eth_dev->data->mac_addrs);
1079         eth_dev->data->mac_addrs = NULL;
1080
1081         /* disable uio intr before callback unregister */
1082         rte_intr_disable(&pci_dev->intr_handle);
1083         rte_intr_callback_unregister(&pci_dev->intr_handle,
1084                                      eth_igbvf_interrupt_handler,
1085                                      (void *)eth_dev);
1086
1087         return 0;
1088 }
1089
1090 static struct eth_driver rte_igb_pmd = {
1091         .pci_drv = {
1092                 .id_table = pci_id_igb_map,
1093                 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC,
1094                 .probe = rte_eth_dev_pci_probe,
1095                 .remove = rte_eth_dev_pci_remove,
1096         },
1097         .eth_dev_init = eth_igb_dev_init,
1098         .eth_dev_uninit = eth_igb_dev_uninit,
1099         .dev_private_size = sizeof(struct e1000_adapter),
1100 };
1101
1102 /*
1103  * virtual function driver struct
1104  */
1105 static struct eth_driver rte_igbvf_pmd = {
1106         .pci_drv = {
1107                 .id_table = pci_id_igbvf_map,
1108                 .drv_flags = RTE_PCI_DRV_NEED_MAPPING,
1109                 .probe = rte_eth_dev_pci_probe,
1110                 .remove = rte_eth_dev_pci_remove,
1111         },
1112         .eth_dev_init = eth_igbvf_dev_init,
1113         .eth_dev_uninit = eth_igbvf_dev_uninit,
1114         .dev_private_size = sizeof(struct e1000_adapter),
1115 };
1116
1117 static void
1118 igb_vmdq_vlan_hw_filter_enable(struct rte_eth_dev *dev)
1119 {
1120         struct e1000_hw *hw =
1121                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1122         /* RCTL: enable VLAN filter since VMDq always use VLAN filter */
1123         uint32_t rctl = E1000_READ_REG(hw, E1000_RCTL);
1124         rctl |= E1000_RCTL_VFE;
1125         E1000_WRITE_REG(hw, E1000_RCTL, rctl);
1126 }
1127
1128 static int
1129 igb_check_mq_mode(struct rte_eth_dev *dev)
1130 {
1131         enum rte_eth_rx_mq_mode rx_mq_mode = dev->data->dev_conf.rxmode.mq_mode;
1132         enum rte_eth_tx_mq_mode tx_mq_mode = dev->data->dev_conf.txmode.mq_mode;
1133         uint16_t nb_rx_q = dev->data->nb_rx_queues;
1134         uint16_t nb_tx_q = dev->data->nb_rx_queues;
1135
1136         if ((rx_mq_mode & ETH_MQ_RX_DCB_FLAG) ||
1137             tx_mq_mode == ETH_MQ_TX_DCB ||
1138             tx_mq_mode == ETH_MQ_TX_VMDQ_DCB) {
1139                 PMD_INIT_LOG(ERR, "DCB mode is not supported.");
1140                 return -EINVAL;
1141         }
1142         if (RTE_ETH_DEV_SRIOV(dev).active != 0) {
1143                 /* Check multi-queue mode.
1144                  * To no break software we accept ETH_MQ_RX_NONE as this might
1145                  * be used to turn off VLAN filter.
1146                  */
1147
1148                 if (rx_mq_mode == ETH_MQ_RX_NONE ||
1149                     rx_mq_mode == ETH_MQ_RX_VMDQ_ONLY) {
1150                         dev->data->dev_conf.rxmode.mq_mode = ETH_MQ_RX_VMDQ_ONLY;
1151                         RTE_ETH_DEV_SRIOV(dev).nb_q_per_pool = 1;
1152                 } else {
1153                         /* Only support one queue on VFs.
1154                          * RSS together with SRIOV is not supported.
1155                          */
1156                         PMD_INIT_LOG(ERR, "SRIOV is active,"
1157                                         " wrong mq_mode rx %d.",
1158                                         rx_mq_mode);
1159                         return -EINVAL;
1160                 }
1161                 /* TX mode is not used here, so mode might be ignored.*/
1162                 if (tx_mq_mode != ETH_MQ_TX_VMDQ_ONLY) {
1163                         /* SRIOV only works in VMDq enable mode */
1164                         PMD_INIT_LOG(WARNING, "SRIOV is active,"
1165                                         " TX mode %d is not supported. "
1166                                         " Driver will behave as %d mode.",
1167                                         tx_mq_mode, ETH_MQ_TX_VMDQ_ONLY);
1168                 }
1169
1170                 /* check valid queue number */
1171                 if ((nb_rx_q > 1) || (nb_tx_q > 1)) {
1172                         PMD_INIT_LOG(ERR, "SRIOV is active,"
1173                                         " only support one queue on VFs.");
1174                         return -EINVAL;
1175                 }
1176         } else {
1177                 /* To no break software that set invalid mode, only display
1178                  * warning if invalid mode is used.
1179                  */
1180                 if (rx_mq_mode != ETH_MQ_RX_NONE &&
1181                     rx_mq_mode != ETH_MQ_RX_VMDQ_ONLY &&
1182                     rx_mq_mode != ETH_MQ_RX_RSS) {
1183                         /* RSS together with VMDq not supported*/
1184                         PMD_INIT_LOG(ERR, "RX mode %d is not supported.",
1185                                      rx_mq_mode);
1186                         return -EINVAL;
1187                 }
1188
1189                 if (tx_mq_mode != ETH_MQ_TX_NONE &&
1190                     tx_mq_mode != ETH_MQ_TX_VMDQ_ONLY) {
1191                         PMD_INIT_LOG(WARNING, "TX mode %d is not supported."
1192                                         " Due to txmode is meaningless in this"
1193                                         " driver, just ignore.",
1194                                         tx_mq_mode);
1195                 }
1196         }
1197         return 0;
1198 }
1199
1200 static int
1201 eth_igb_configure(struct rte_eth_dev *dev)
1202 {
1203         struct e1000_interrupt *intr =
1204                 E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
1205         int ret;
1206
1207         PMD_INIT_FUNC_TRACE();
1208
1209         /* multipe queue mode checking */
1210         ret  = igb_check_mq_mode(dev);
1211         if (ret != 0) {
1212                 PMD_DRV_LOG(ERR, "igb_check_mq_mode fails with %d.",
1213                             ret);
1214                 return ret;
1215         }
1216
1217         intr->flags |= E1000_FLAG_NEED_LINK_UPDATE;
1218         PMD_INIT_FUNC_TRACE();
1219
1220         return 0;
1221 }
1222
1223 static int
1224 eth_igb_start(struct rte_eth_dev *dev)
1225 {
1226         struct e1000_hw *hw =
1227                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1228         struct e1000_adapter *adapter =
1229                 E1000_DEV_PRIVATE(dev->data->dev_private);
1230         struct rte_pci_device *pci_dev = E1000_DEV_TO_PCI(dev);
1231         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1232         int ret, mask;
1233         uint32_t intr_vector = 0;
1234         uint32_t ctrl_ext;
1235         uint32_t *speeds;
1236         int num_speeds;
1237         bool autoneg;
1238
1239         PMD_INIT_FUNC_TRACE();
1240
1241         /* disable uio/vfio intr/eventfd mapping */
1242         rte_intr_disable(intr_handle);
1243
1244         /* Power up the phy. Needed to make the link go Up */
1245         eth_igb_dev_set_link_up(dev);
1246
1247         /*
1248          * Packet Buffer Allocation (PBA)
1249          * Writing PBA sets the receive portion of the buffer
1250          * the remainder is used for the transmit buffer.
1251          */
1252         if (hw->mac.type == e1000_82575) {
1253                 uint32_t pba;
1254
1255                 pba = E1000_PBA_32K; /* 32K for Rx, 16K for Tx */
1256                 E1000_WRITE_REG(hw, E1000_PBA, pba);
1257         }
1258
1259         /* Put the address into the Receive Address Array */
1260         e1000_rar_set(hw, hw->mac.addr, 0);
1261
1262         /* Initialize the hardware */
1263         if (igb_hardware_init(hw)) {
1264                 PMD_INIT_LOG(ERR, "Unable to initialize the hardware");
1265                 return -EIO;
1266         }
1267         adapter->stopped = 0;
1268
1269         E1000_WRITE_REG(hw, E1000_VET, ETHER_TYPE_VLAN << 16 | ETHER_TYPE_VLAN);
1270
1271         ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
1272         /* Set PF Reset Done bit so PF/VF Mail Ops can work */
1273         ctrl_ext |= E1000_CTRL_EXT_PFRSTD;
1274         E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext);
1275         E1000_WRITE_FLUSH(hw);
1276
1277         /* configure PF module if SRIOV enabled */
1278         igb_pf_host_configure(dev);
1279
1280         /* check and configure queue intr-vector mapping */
1281         if ((rte_intr_cap_multiple(intr_handle) ||
1282              !RTE_ETH_DEV_SRIOV(dev).active) &&
1283             dev->data->dev_conf.intr_conf.rxq != 0) {
1284                 intr_vector = dev->data->nb_rx_queues;
1285                 if (rte_intr_efd_enable(intr_handle, intr_vector))
1286                         return -1;
1287         }
1288
1289         if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
1290                 intr_handle->intr_vec =
1291                         rte_zmalloc("intr_vec",
1292                                     dev->data->nb_rx_queues * sizeof(int), 0);
1293                 if (intr_handle->intr_vec == NULL) {
1294                         PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
1295                                      " intr_vec", dev->data->nb_rx_queues);
1296                         return -ENOMEM;
1297                 }
1298         }
1299
1300         /* confiugre msix for rx interrupt */
1301         eth_igb_configure_msix_intr(dev);
1302
1303         /* Configure for OS presence */
1304         igb_init_manageability(hw);
1305
1306         eth_igb_tx_init(dev);
1307
1308         /* This can fail when allocating mbufs for descriptor rings */
1309         ret = eth_igb_rx_init(dev);
1310         if (ret) {
1311                 PMD_INIT_LOG(ERR, "Unable to initialize RX hardware");
1312                 igb_dev_clear_queues(dev);
1313                 return ret;
1314         }
1315
1316         e1000_clear_hw_cntrs_base_generic(hw);
1317
1318         /*
1319          * VLAN Offload Settings
1320          */
1321         mask = ETH_VLAN_STRIP_MASK | ETH_VLAN_FILTER_MASK | \
1322                         ETH_VLAN_EXTEND_MASK;
1323         eth_igb_vlan_offload_set(dev, mask);
1324
1325         if (dev->data->dev_conf.rxmode.mq_mode == ETH_MQ_RX_VMDQ_ONLY) {
1326                 /* Enable VLAN filter since VMDq always use VLAN filter */
1327                 igb_vmdq_vlan_hw_filter_enable(dev);
1328         }
1329
1330         if ((hw->mac.type == e1000_82576) || (hw->mac.type == e1000_82580) ||
1331                 (hw->mac.type == e1000_i350) || (hw->mac.type == e1000_i210) ||
1332                 (hw->mac.type == e1000_i211)) {
1333                 /* Configure EITR with the maximum possible value (0xFFFF) */
1334                 E1000_WRITE_REG(hw, E1000_EITR(0), 0xFFFF);
1335         }
1336
1337         /* Setup link speed and duplex */
1338         speeds = &dev->data->dev_conf.link_speeds;
1339         if (*speeds == ETH_LINK_SPEED_AUTONEG) {
1340                 hw->phy.autoneg_advertised = E1000_ALL_SPEED_DUPLEX;
1341                 hw->mac.autoneg = 1;
1342         } else {
1343                 num_speeds = 0;
1344                 autoneg = (*speeds & ETH_LINK_SPEED_FIXED) == 0;
1345
1346                 /* Reset */
1347                 hw->phy.autoneg_advertised = 0;
1348
1349                 if (*speeds & ~(ETH_LINK_SPEED_10M_HD | ETH_LINK_SPEED_10M |
1350                                 ETH_LINK_SPEED_100M_HD | ETH_LINK_SPEED_100M |
1351                                 ETH_LINK_SPEED_1G | ETH_LINK_SPEED_FIXED)) {
1352                         num_speeds = -1;
1353                         goto error_invalid_config;
1354                 }
1355                 if (*speeds & ETH_LINK_SPEED_10M_HD) {
1356                         hw->phy.autoneg_advertised |= ADVERTISE_10_HALF;
1357                         num_speeds++;
1358                 }
1359                 if (*speeds & ETH_LINK_SPEED_10M) {
1360                         hw->phy.autoneg_advertised |= ADVERTISE_10_FULL;
1361                         num_speeds++;
1362                 }
1363                 if (*speeds & ETH_LINK_SPEED_100M_HD) {
1364                         hw->phy.autoneg_advertised |= ADVERTISE_100_HALF;
1365                         num_speeds++;
1366                 }
1367                 if (*speeds & ETH_LINK_SPEED_100M) {
1368                         hw->phy.autoneg_advertised |= ADVERTISE_100_FULL;
1369                         num_speeds++;
1370                 }
1371                 if (*speeds & ETH_LINK_SPEED_1G) {
1372                         hw->phy.autoneg_advertised |= ADVERTISE_1000_FULL;
1373                         num_speeds++;
1374                 }
1375                 if (num_speeds == 0 || (!autoneg && (num_speeds > 1)))
1376                         goto error_invalid_config;
1377
1378                 /* Set/reset the mac.autoneg based on the link speed,
1379                  * fixed or not
1380                  */
1381                 if (!autoneg) {
1382                         hw->mac.autoneg = 0;
1383                         hw->mac.forced_speed_duplex =
1384                                         hw->phy.autoneg_advertised;
1385                 } else {
1386                         hw->mac.autoneg = 1;
1387                 }
1388         }
1389
1390         e1000_setup_link(hw);
1391
1392         if (rte_intr_allow_others(intr_handle)) {
1393                 /* check if lsc interrupt is enabled */
1394                 if (dev->data->dev_conf.intr_conf.lsc != 0)
1395                         eth_igb_lsc_interrupt_setup(dev);
1396         } else {
1397                 rte_intr_callback_unregister(intr_handle,
1398                                              eth_igb_interrupt_handler,
1399                                              (void *)dev);
1400                 if (dev->data->dev_conf.intr_conf.lsc != 0)
1401                         PMD_INIT_LOG(INFO, "lsc won't enable because of"
1402                                      " no intr multiplex");
1403         }
1404
1405         /* check if rxq interrupt is enabled */
1406         if (dev->data->dev_conf.intr_conf.rxq != 0 &&
1407             rte_intr_dp_is_en(intr_handle))
1408                 eth_igb_rxq_interrupt_setup(dev);
1409
1410         /* enable uio/vfio intr/eventfd mapping */
1411         rte_intr_enable(intr_handle);
1412
1413         /* resume enabled intr since hw reset */
1414         igb_intr_enable(dev);
1415
1416         PMD_INIT_LOG(DEBUG, "<<");
1417
1418         return 0;
1419
1420 error_invalid_config:
1421         PMD_INIT_LOG(ERR, "Invalid advertised speeds (%u) for port %u",
1422                      dev->data->dev_conf.link_speeds, dev->data->port_id);
1423         igb_dev_clear_queues(dev);
1424         return -EINVAL;
1425 }
1426
1427 /*********************************************************************
1428  *
1429  *  This routine disables all traffic on the adapter by issuing a
1430  *  global reset on the MAC.
1431  *
1432  **********************************************************************/
1433 static void
1434 eth_igb_stop(struct rte_eth_dev *dev)
1435 {
1436         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1437         struct e1000_filter_info *filter_info =
1438                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
1439         struct rte_pci_device *pci_dev = E1000_DEV_TO_PCI(dev);
1440         struct rte_eth_link link;
1441         struct e1000_flex_filter *p_flex;
1442         struct e1000_5tuple_filter *p_5tuple, *p_5tuple_next;
1443         struct e1000_2tuple_filter *p_2tuple, *p_2tuple_next;
1444         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1445
1446         igb_intr_disable(hw);
1447
1448         /* disable intr eventfd mapping */
1449         rte_intr_disable(intr_handle);
1450
1451         igb_pf_reset_hw(hw);
1452         E1000_WRITE_REG(hw, E1000_WUC, 0);
1453
1454         /* Set bit for Go Link disconnect */
1455         if (hw->mac.type >= e1000_82580) {
1456                 uint32_t phpm_reg;
1457
1458                 phpm_reg = E1000_READ_REG(hw, E1000_82580_PHY_POWER_MGMT);
1459                 phpm_reg |= E1000_82580_PM_GO_LINKD;
1460                 E1000_WRITE_REG(hw, E1000_82580_PHY_POWER_MGMT, phpm_reg);
1461         }
1462
1463         /* Power down the phy. Needed to make the link go Down */
1464         eth_igb_dev_set_link_down(dev);
1465
1466         igb_dev_clear_queues(dev);
1467
1468         /* clear the recorded link status */
1469         memset(&link, 0, sizeof(link));
1470         rte_igb_dev_atomic_write_link_status(dev, &link);
1471
1472         /* Remove all flex filters of the device */
1473         while ((p_flex = TAILQ_FIRST(&filter_info->flex_list))) {
1474                 TAILQ_REMOVE(&filter_info->flex_list, p_flex, entries);
1475                 rte_free(p_flex);
1476         }
1477         filter_info->flex_mask = 0;
1478
1479         /* Remove all ntuple filters of the device */
1480         for (p_5tuple = TAILQ_FIRST(&filter_info->fivetuple_list);
1481              p_5tuple != NULL; p_5tuple = p_5tuple_next) {
1482                 p_5tuple_next = TAILQ_NEXT(p_5tuple, entries);
1483                 TAILQ_REMOVE(&filter_info->fivetuple_list,
1484                              p_5tuple, entries);
1485                 rte_free(p_5tuple);
1486         }
1487         filter_info->fivetuple_mask = 0;
1488         for (p_2tuple = TAILQ_FIRST(&filter_info->twotuple_list);
1489              p_2tuple != NULL; p_2tuple = p_2tuple_next) {
1490                 p_2tuple_next = TAILQ_NEXT(p_2tuple, entries);
1491                 TAILQ_REMOVE(&filter_info->twotuple_list,
1492                              p_2tuple, entries);
1493                 rte_free(p_2tuple);
1494         }
1495         filter_info->twotuple_mask = 0;
1496
1497         if (!rte_intr_allow_others(intr_handle))
1498                 /* resume to the default handler */
1499                 rte_intr_callback_register(intr_handle,
1500                                            eth_igb_interrupt_handler,
1501                                            (void *)dev);
1502
1503         /* Clean datapath event and queue/vec mapping */
1504         rte_intr_efd_disable(intr_handle);
1505         if (intr_handle->intr_vec != NULL) {
1506                 rte_free(intr_handle->intr_vec);
1507                 intr_handle->intr_vec = NULL;
1508         }
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 e1000_adapter *adapter =
1542                 E1000_DEV_PRIVATE(dev->data->dev_private);
1543         struct rte_eth_link link;
1544         struct rte_pci_device *pci_dev = E1000_DEV_TO_PCI(dev);
1545         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
1546
1547         eth_igb_stop(dev);
1548         adapter->stopped = 1;
1549
1550         e1000_phy_hw_reset(hw);
1551         igb_release_manageability(hw);
1552         igb_hw_control_release(hw);
1553
1554         /* Clear bit for Go Link disconnect */
1555         if (hw->mac.type >= e1000_82580) {
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_igb_dev_atomic_write_link_status(dev, &link);
1572 }
1573
1574 static int
1575 igb_get_rx_buffer_size(struct e1000_hw *hw)
1576 {
1577         uint32_t rx_buf_size;
1578         if (hw->mac.type == e1000_82576) {
1579                 rx_buf_size = (E1000_READ_REG(hw, E1000_RXPBS) & 0xffff) << 10;
1580         } else if (hw->mac.type == e1000_82580 || hw->mac.type == e1000_i350) {
1581                 /* PBS needs to be translated according to a lookup table */
1582                 rx_buf_size = (E1000_READ_REG(hw, E1000_RXPBS) & 0xf);
1583                 rx_buf_size = (uint32_t) e1000_rxpbs_adjust_82580(rx_buf_size);
1584                 rx_buf_size = (rx_buf_size << 10);
1585         } else if (hw->mac.type == e1000_i210 || hw->mac.type == e1000_i211) {
1586                 rx_buf_size = (E1000_READ_REG(hw, E1000_RXPBS) & 0x3f) << 10;
1587         } else {
1588                 rx_buf_size = (E1000_READ_REG(hw, E1000_PBA) & 0xffff) << 10;
1589         }
1590
1591         return rx_buf_size;
1592 }
1593
1594 /*********************************************************************
1595  *
1596  *  Initialize the hardware
1597  *
1598  **********************************************************************/
1599 static int
1600 igb_hardware_init(struct e1000_hw *hw)
1601 {
1602         uint32_t rx_buf_size;
1603         int diag;
1604
1605         /* Let the firmware know the OS is in control */
1606         igb_hw_control_acquire(hw);
1607
1608         /*
1609          * These parameters control the automatic generation (Tx) and
1610          * response (Rx) to Ethernet PAUSE frames.
1611          * - High water mark should allow for at least two standard size (1518)
1612          *   frames to be received after sending an XOFF.
1613          * - Low water mark works best when it is very near the high water mark.
1614          *   This allows the receiver to restart by sending XON when it has
1615          *   drained a bit. Here we use an arbitrary value of 1500 which will
1616          *   restart after one full frame is pulled from the buffer. There
1617          *   could be several smaller frames in the buffer and if so they will
1618          *   not trigger the XON until their total number reduces the buffer
1619          *   by 1500.
1620          * - The pause time is fairly large at 1000 x 512ns = 512 usec.
1621          */
1622         rx_buf_size = igb_get_rx_buffer_size(hw);
1623
1624         hw->fc.high_water = rx_buf_size - (ETHER_MAX_LEN * 2);
1625         hw->fc.low_water = hw->fc.high_water - 1500;
1626         hw->fc.pause_time = IGB_FC_PAUSE_TIME;
1627         hw->fc.send_xon = 1;
1628
1629         /* Set Flow control, use the tunable location if sane */
1630         if ((igb_fc_setting != e1000_fc_none) && (igb_fc_setting < 4))
1631                 hw->fc.requested_mode = igb_fc_setting;
1632         else
1633                 hw->fc.requested_mode = e1000_fc_none;
1634
1635         /* Issue a global reset */
1636         igb_pf_reset_hw(hw);
1637         E1000_WRITE_REG(hw, E1000_WUC, 0);
1638
1639         diag = e1000_init_hw(hw);
1640         if (diag < 0)
1641                 return diag;
1642
1643         E1000_WRITE_REG(hw, E1000_VET, ETHER_TYPE_VLAN << 16 | ETHER_TYPE_VLAN);
1644         e1000_get_phy_info(hw);
1645         e1000_check_for_link(hw);
1646
1647         return 0;
1648 }
1649
1650 /* This function is based on igb_update_stats_counters() in igb/if_igb.c */
1651 static void
1652 igb_read_stats_registers(struct e1000_hw *hw, struct e1000_hw_stats *stats)
1653 {
1654         int pause_frames;
1655
1656         uint64_t old_gprc  = stats->gprc;
1657         uint64_t old_gptc  = stats->gptc;
1658         uint64_t old_tpr   = stats->tpr;
1659         uint64_t old_tpt   = stats->tpt;
1660         uint64_t old_rpthc = stats->rpthc;
1661         uint64_t old_hgptc = stats->hgptc;
1662
1663         if(hw->phy.media_type == e1000_media_type_copper ||
1664             (E1000_READ_REG(hw, E1000_STATUS) & E1000_STATUS_LU)) {
1665                 stats->symerrs +=
1666                     E1000_READ_REG(hw,E1000_SYMERRS);
1667                 stats->sec += E1000_READ_REG(hw, E1000_SEC);
1668         }
1669
1670         stats->crcerrs += E1000_READ_REG(hw, E1000_CRCERRS);
1671         stats->mpc += E1000_READ_REG(hw, E1000_MPC);
1672         stats->scc += E1000_READ_REG(hw, E1000_SCC);
1673         stats->ecol += E1000_READ_REG(hw, E1000_ECOL);
1674
1675         stats->mcc += E1000_READ_REG(hw, E1000_MCC);
1676         stats->latecol += E1000_READ_REG(hw, E1000_LATECOL);
1677         stats->colc += E1000_READ_REG(hw, E1000_COLC);
1678         stats->dc += E1000_READ_REG(hw, E1000_DC);
1679         stats->rlec += E1000_READ_REG(hw, E1000_RLEC);
1680         stats->xonrxc += E1000_READ_REG(hw, E1000_XONRXC);
1681         stats->xontxc += E1000_READ_REG(hw, E1000_XONTXC);
1682         /*
1683         ** For watchdog management we need to know if we have been
1684         ** paused during the last interval, so capture that here.
1685         */
1686         pause_frames = E1000_READ_REG(hw, E1000_XOFFRXC);
1687         stats->xoffrxc += pause_frames;
1688         stats->xofftxc += E1000_READ_REG(hw, E1000_XOFFTXC);
1689         stats->fcruc += E1000_READ_REG(hw, E1000_FCRUC);
1690         stats->prc64 += E1000_READ_REG(hw, E1000_PRC64);
1691         stats->prc127 += E1000_READ_REG(hw, E1000_PRC127);
1692         stats->prc255 += E1000_READ_REG(hw, E1000_PRC255);
1693         stats->prc511 += E1000_READ_REG(hw, E1000_PRC511);
1694         stats->prc1023 += E1000_READ_REG(hw, E1000_PRC1023);
1695         stats->prc1522 += E1000_READ_REG(hw, E1000_PRC1522);
1696         stats->gprc += E1000_READ_REG(hw, E1000_GPRC);
1697         stats->bprc += E1000_READ_REG(hw, E1000_BPRC);
1698         stats->mprc += E1000_READ_REG(hw, E1000_MPRC);
1699         stats->gptc += E1000_READ_REG(hw, E1000_GPTC);
1700
1701         /* For the 64-bit byte counters the low dword must be read first. */
1702         /* Both registers clear on the read of the high dword */
1703
1704         /* Workaround CRC bytes included in size, take away 4 bytes/packet */
1705         stats->gorc += E1000_READ_REG(hw, E1000_GORCL);
1706         stats->gorc += ((uint64_t)E1000_READ_REG(hw, E1000_GORCH) << 32);
1707         stats->gorc -= (stats->gprc - old_gprc) * ETHER_CRC_LEN;
1708         stats->gotc += E1000_READ_REG(hw, E1000_GOTCL);
1709         stats->gotc += ((uint64_t)E1000_READ_REG(hw, E1000_GOTCH) << 32);
1710         stats->gotc -= (stats->gptc - old_gptc) * ETHER_CRC_LEN;
1711
1712         stats->rnbc += E1000_READ_REG(hw, E1000_RNBC);
1713         stats->ruc += E1000_READ_REG(hw, E1000_RUC);
1714         stats->rfc += E1000_READ_REG(hw, E1000_RFC);
1715         stats->roc += E1000_READ_REG(hw, E1000_ROC);
1716         stats->rjc += E1000_READ_REG(hw, E1000_RJC);
1717
1718         stats->tpr += E1000_READ_REG(hw, E1000_TPR);
1719         stats->tpt += E1000_READ_REG(hw, E1000_TPT);
1720
1721         stats->tor += E1000_READ_REG(hw, E1000_TORL);
1722         stats->tor += ((uint64_t)E1000_READ_REG(hw, E1000_TORH) << 32);
1723         stats->tor -= (stats->tpr - old_tpr) * ETHER_CRC_LEN;
1724         stats->tot += E1000_READ_REG(hw, E1000_TOTL);
1725         stats->tot += ((uint64_t)E1000_READ_REG(hw, E1000_TOTH) << 32);
1726         stats->tot -= (stats->tpt - old_tpt) * ETHER_CRC_LEN;
1727
1728         stats->ptc64 += E1000_READ_REG(hw, E1000_PTC64);
1729         stats->ptc127 += E1000_READ_REG(hw, E1000_PTC127);
1730         stats->ptc255 += E1000_READ_REG(hw, E1000_PTC255);
1731         stats->ptc511 += E1000_READ_REG(hw, E1000_PTC511);
1732         stats->ptc1023 += E1000_READ_REG(hw, E1000_PTC1023);
1733         stats->ptc1522 += E1000_READ_REG(hw, E1000_PTC1522);
1734         stats->mptc += E1000_READ_REG(hw, E1000_MPTC);
1735         stats->bptc += E1000_READ_REG(hw, E1000_BPTC);
1736
1737         /* Interrupt Counts */
1738
1739         stats->iac += E1000_READ_REG(hw, E1000_IAC);
1740         stats->icrxptc += E1000_READ_REG(hw, E1000_ICRXPTC);
1741         stats->icrxatc += E1000_READ_REG(hw, E1000_ICRXATC);
1742         stats->ictxptc += E1000_READ_REG(hw, E1000_ICTXPTC);
1743         stats->ictxatc += E1000_READ_REG(hw, E1000_ICTXATC);
1744         stats->ictxqec += E1000_READ_REG(hw, E1000_ICTXQEC);
1745         stats->ictxqmtc += E1000_READ_REG(hw, E1000_ICTXQMTC);
1746         stats->icrxdmtc += E1000_READ_REG(hw, E1000_ICRXDMTC);
1747         stats->icrxoc += E1000_READ_REG(hw, E1000_ICRXOC);
1748
1749         /* Host to Card Statistics */
1750
1751         stats->cbtmpc += E1000_READ_REG(hw, E1000_CBTMPC);
1752         stats->htdpmc += E1000_READ_REG(hw, E1000_HTDPMC);
1753         stats->cbrdpc += E1000_READ_REG(hw, E1000_CBRDPC);
1754         stats->cbrmpc += E1000_READ_REG(hw, E1000_CBRMPC);
1755         stats->rpthc += E1000_READ_REG(hw, E1000_RPTHC);
1756         stats->hgptc += E1000_READ_REG(hw, E1000_HGPTC);
1757         stats->htcbdpc += E1000_READ_REG(hw, E1000_HTCBDPC);
1758         stats->hgorc += E1000_READ_REG(hw, E1000_HGORCL);
1759         stats->hgorc += ((uint64_t)E1000_READ_REG(hw, E1000_HGORCH) << 32);
1760         stats->hgorc -= (stats->rpthc - old_rpthc) * ETHER_CRC_LEN;
1761         stats->hgotc += E1000_READ_REG(hw, E1000_HGOTCL);
1762         stats->hgotc += ((uint64_t)E1000_READ_REG(hw, E1000_HGOTCH) << 32);
1763         stats->hgotc -= (stats->hgptc - old_hgptc) * ETHER_CRC_LEN;
1764         stats->lenerrs += E1000_READ_REG(hw, E1000_LENERRS);
1765         stats->scvpc += E1000_READ_REG(hw, E1000_SCVPC);
1766         stats->hrmpc += E1000_READ_REG(hw, E1000_HRMPC);
1767
1768         stats->algnerrc += E1000_READ_REG(hw, E1000_ALGNERRC);
1769         stats->rxerrc += E1000_READ_REG(hw, E1000_RXERRC);
1770         stats->tncrs += E1000_READ_REG(hw, E1000_TNCRS);
1771         stats->cexterr += E1000_READ_REG(hw, E1000_CEXTERR);
1772         stats->tsctc += E1000_READ_REG(hw, E1000_TSCTC);
1773         stats->tsctfc += E1000_READ_REG(hw, E1000_TSCTFC);
1774 }
1775
1776 static void
1777 eth_igb_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
1778 {
1779         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1780         struct e1000_hw_stats *stats =
1781                         E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1782
1783         igb_read_stats_registers(hw, stats);
1784
1785         if (rte_stats == NULL)
1786                 return;
1787
1788         /* Rx Errors */
1789         rte_stats->imissed = stats->mpc;
1790         rte_stats->ierrors = stats->crcerrs +
1791                              stats->rlec + stats->ruc + stats->roc +
1792                              stats->rxerrc + stats->algnerrc + stats->cexterr;
1793
1794         /* Tx Errors */
1795         rte_stats->oerrors = stats->ecol + stats->latecol;
1796
1797         rte_stats->ipackets = stats->gprc;
1798         rte_stats->opackets = stats->gptc;
1799         rte_stats->ibytes   = stats->gorc;
1800         rte_stats->obytes   = stats->gotc;
1801 }
1802
1803 static void
1804 eth_igb_stats_reset(struct rte_eth_dev *dev)
1805 {
1806         struct e1000_hw_stats *hw_stats =
1807                         E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1808
1809         /* HW registers are cleared on read */
1810         eth_igb_stats_get(dev, NULL);
1811
1812         /* Reset software totals */
1813         memset(hw_stats, 0, sizeof(*hw_stats));
1814 }
1815
1816 static void
1817 eth_igb_xstats_reset(struct rte_eth_dev *dev)
1818 {
1819         struct e1000_hw_stats *stats =
1820                         E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1821
1822         /* HW registers are cleared on read */
1823         eth_igb_xstats_get(dev, NULL, IGB_NB_XSTATS);
1824
1825         /* Reset software totals */
1826         memset(stats, 0, sizeof(*stats));
1827 }
1828
1829 static int eth_igb_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
1830         struct rte_eth_xstat_name *xstats_names,
1831         __rte_unused unsigned limit)
1832 {
1833         unsigned i;
1834
1835         if (xstats_names == NULL)
1836                 return IGB_NB_XSTATS;
1837
1838         /* Note: limit checked in rte_eth_xstats_names() */
1839
1840         for (i = 0; i < IGB_NB_XSTATS; i++) {
1841                 snprintf(xstats_names[i].name, sizeof(xstats_names[i].name),
1842                          "%s", rte_igb_stats_strings[i].name);
1843         }
1844
1845         return IGB_NB_XSTATS;
1846 }
1847
1848 static int
1849 eth_igb_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
1850                    unsigned n)
1851 {
1852         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1853         struct e1000_hw_stats *hw_stats =
1854                         E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1855         unsigned i;
1856
1857         if (n < IGB_NB_XSTATS)
1858                 return IGB_NB_XSTATS;
1859
1860         igb_read_stats_registers(hw, hw_stats);
1861
1862         /* If this is a reset xstats is NULL, and we have cleared the
1863          * registers by reading them.
1864          */
1865         if (!xstats)
1866                 return 0;
1867
1868         /* Extended stats */
1869         for (i = 0; i < IGB_NB_XSTATS; i++) {
1870                 xstats[i].id = i;
1871                 xstats[i].value = *(uint64_t *)(((char *)hw_stats) +
1872                         rte_igb_stats_strings[i].offset);
1873         }
1874
1875         return IGB_NB_XSTATS;
1876 }
1877
1878 static void
1879 igbvf_read_stats_registers(struct e1000_hw *hw, struct e1000_vf_stats *hw_stats)
1880 {
1881         /* Good Rx packets, include VF loopback */
1882         UPDATE_VF_STAT(E1000_VFGPRC,
1883             hw_stats->last_gprc, hw_stats->gprc);
1884
1885         /* Good Rx octets, include VF loopback */
1886         UPDATE_VF_STAT(E1000_VFGORC,
1887             hw_stats->last_gorc, hw_stats->gorc);
1888
1889         /* Good Tx packets, include VF loopback */
1890         UPDATE_VF_STAT(E1000_VFGPTC,
1891             hw_stats->last_gptc, hw_stats->gptc);
1892
1893         /* Good Tx octets, include VF loopback */
1894         UPDATE_VF_STAT(E1000_VFGOTC,
1895             hw_stats->last_gotc, hw_stats->gotc);
1896
1897         /* Rx Multicst packets */
1898         UPDATE_VF_STAT(E1000_VFMPRC,
1899             hw_stats->last_mprc, hw_stats->mprc);
1900
1901         /* Good Rx loopback packets */
1902         UPDATE_VF_STAT(E1000_VFGPRLBC,
1903             hw_stats->last_gprlbc, hw_stats->gprlbc);
1904
1905         /* Good Rx loopback octets */
1906         UPDATE_VF_STAT(E1000_VFGORLBC,
1907             hw_stats->last_gorlbc, hw_stats->gorlbc);
1908
1909         /* Good Tx loopback packets */
1910         UPDATE_VF_STAT(E1000_VFGPTLBC,
1911             hw_stats->last_gptlbc, hw_stats->gptlbc);
1912
1913         /* Good Tx loopback octets */
1914         UPDATE_VF_STAT(E1000_VFGOTLBC,
1915             hw_stats->last_gotlbc, hw_stats->gotlbc);
1916 }
1917
1918 static int eth_igbvf_xstats_get_names(__rte_unused struct rte_eth_dev *dev,
1919                                      struct rte_eth_xstat_name *xstats_names,
1920                                      __rte_unused unsigned limit)
1921 {
1922         unsigned i;
1923
1924         if (xstats_names != NULL)
1925                 for (i = 0; i < IGBVF_NB_XSTATS; i++) {
1926                         snprintf(xstats_names[i].name,
1927                                 sizeof(xstats_names[i].name), "%s",
1928                                 rte_igbvf_stats_strings[i].name);
1929                 }
1930         return IGBVF_NB_XSTATS;
1931 }
1932
1933 static int
1934 eth_igbvf_xstats_get(struct rte_eth_dev *dev, struct rte_eth_xstat *xstats,
1935                      unsigned n)
1936 {
1937         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1938         struct e1000_vf_stats *hw_stats = (struct e1000_vf_stats *)
1939                         E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1940         unsigned i;
1941
1942         if (n < IGBVF_NB_XSTATS)
1943                 return IGBVF_NB_XSTATS;
1944
1945         igbvf_read_stats_registers(hw, hw_stats);
1946
1947         if (!xstats)
1948                 return 0;
1949
1950         for (i = 0; i < IGBVF_NB_XSTATS; i++) {
1951                 xstats[i].id = i;
1952                 xstats[i].value = *(uint64_t *)(((char *)hw_stats) +
1953                         rte_igbvf_stats_strings[i].offset);
1954         }
1955
1956         return IGBVF_NB_XSTATS;
1957 }
1958
1959 static void
1960 eth_igbvf_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *rte_stats)
1961 {
1962         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1963         struct e1000_vf_stats *hw_stats = (struct e1000_vf_stats *)
1964                           E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1965
1966         igbvf_read_stats_registers(hw, hw_stats);
1967
1968         if (rte_stats == NULL)
1969                 return;
1970
1971         rte_stats->ipackets = hw_stats->gprc;
1972         rte_stats->ibytes = hw_stats->gorc;
1973         rte_stats->opackets = hw_stats->gptc;
1974         rte_stats->obytes = hw_stats->gotc;
1975 }
1976
1977 static void
1978 eth_igbvf_stats_reset(struct rte_eth_dev *dev)
1979 {
1980         struct e1000_vf_stats *hw_stats = (struct e1000_vf_stats*)
1981                         E1000_DEV_PRIVATE_TO_STATS(dev->data->dev_private);
1982
1983         /* Sync HW register to the last stats */
1984         eth_igbvf_stats_get(dev, NULL);
1985
1986         /* reset HW current stats*/
1987         memset(&hw_stats->gprc, 0, sizeof(*hw_stats) -
1988                offsetof(struct e1000_vf_stats, gprc));
1989 }
1990
1991 static int
1992 eth_igb_fw_version_get(struct rte_eth_dev *dev, char *fw_version,
1993                        size_t fw_size)
1994 {
1995         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
1996         struct e1000_fw_version fw;
1997         int ret;
1998
1999         e1000_get_fw_version(hw, &fw);
2000
2001         switch (hw->mac.type) {
2002         case e1000_i210:
2003         case e1000_i211:
2004                 if (!(e1000_get_flash_presence_i210(hw))) {
2005                         ret = snprintf(fw_version, fw_size,
2006                                  "%2d.%2d-%d",
2007                                  fw.invm_major, fw.invm_minor,
2008                                  fw.invm_img_type);
2009                         break;
2010                 }
2011                 /* fall through */
2012         default:
2013                 /* if option rom is valid, display its version too */
2014                 if (fw.or_valid) {
2015                         ret = snprintf(fw_version, fw_size,
2016                                  "%d.%d, 0x%08x, %d.%d.%d",
2017                                  fw.eep_major, fw.eep_minor, fw.etrack_id,
2018                                  fw.or_major, fw.or_build, fw.or_patch);
2019                 /* no option rom */
2020                 } else {
2021                         if (fw.etrack_id != 0X0000) {
2022                                 ret = snprintf(fw_version, fw_size,
2023                                          "%d.%d, 0x%08x",
2024                                          fw.eep_major, fw.eep_minor,
2025                                          fw.etrack_id);
2026                         } else {
2027                                 ret = snprintf(fw_version, fw_size,
2028                                          "%d.%d.%d",
2029                                          fw.eep_major, fw.eep_minor,
2030                                          fw.eep_build);
2031                         }
2032                 }
2033                 break;
2034         }
2035
2036         ret += 1; /* add the size of '\0' */
2037         if (fw_size < (u32)ret)
2038                 return ret;
2039         else
2040                 return 0;
2041 }
2042
2043 static void
2044 eth_igb_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
2045 {
2046         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2047
2048         dev_info->pci_dev = RTE_DEV_TO_PCI(dev->device);
2049         dev_info->min_rx_bufsize = 256; /* See BSIZE field of RCTL register. */
2050         dev_info->max_rx_pktlen  = 0x3FFF; /* See RLPML register. */
2051         dev_info->max_mac_addrs = hw->mac.rar_entry_count;
2052         dev_info->rx_offload_capa =
2053                 DEV_RX_OFFLOAD_VLAN_STRIP |
2054                 DEV_RX_OFFLOAD_IPV4_CKSUM |
2055                 DEV_RX_OFFLOAD_UDP_CKSUM  |
2056                 DEV_RX_OFFLOAD_TCP_CKSUM;
2057         dev_info->tx_offload_capa =
2058                 DEV_TX_OFFLOAD_VLAN_INSERT |
2059                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
2060                 DEV_TX_OFFLOAD_UDP_CKSUM   |
2061                 DEV_TX_OFFLOAD_TCP_CKSUM   |
2062                 DEV_TX_OFFLOAD_SCTP_CKSUM  |
2063                 DEV_TX_OFFLOAD_TCP_TSO;
2064
2065         switch (hw->mac.type) {
2066         case e1000_82575:
2067                 dev_info->max_rx_queues = 4;
2068                 dev_info->max_tx_queues = 4;
2069                 dev_info->max_vmdq_pools = 0;
2070                 break;
2071
2072         case e1000_82576:
2073                 dev_info->max_rx_queues = 16;
2074                 dev_info->max_tx_queues = 16;
2075                 dev_info->max_vmdq_pools = ETH_8_POOLS;
2076                 dev_info->vmdq_queue_num = 16;
2077                 break;
2078
2079         case e1000_82580:
2080                 dev_info->max_rx_queues = 8;
2081                 dev_info->max_tx_queues = 8;
2082                 dev_info->max_vmdq_pools = ETH_8_POOLS;
2083                 dev_info->vmdq_queue_num = 8;
2084                 break;
2085
2086         case e1000_i350:
2087                 dev_info->max_rx_queues = 8;
2088                 dev_info->max_tx_queues = 8;
2089                 dev_info->max_vmdq_pools = ETH_8_POOLS;
2090                 dev_info->vmdq_queue_num = 8;
2091                 break;
2092
2093         case e1000_i354:
2094                 dev_info->max_rx_queues = 8;
2095                 dev_info->max_tx_queues = 8;
2096                 break;
2097
2098         case e1000_i210:
2099                 dev_info->max_rx_queues = 4;
2100                 dev_info->max_tx_queues = 4;
2101                 dev_info->max_vmdq_pools = 0;
2102                 break;
2103
2104         case e1000_i211:
2105                 dev_info->max_rx_queues = 2;
2106                 dev_info->max_tx_queues = 2;
2107                 dev_info->max_vmdq_pools = 0;
2108                 break;
2109
2110         default:
2111                 /* Should not happen */
2112                 break;
2113         }
2114         dev_info->hash_key_size = IGB_HKEY_MAX_INDEX * sizeof(uint32_t);
2115         dev_info->reta_size = ETH_RSS_RETA_SIZE_128;
2116         dev_info->flow_type_rss_offloads = IGB_RSS_OFFLOAD_ALL;
2117
2118         dev_info->default_rxconf = (struct rte_eth_rxconf) {
2119                 .rx_thresh = {
2120                         .pthresh = IGB_DEFAULT_RX_PTHRESH,
2121                         .hthresh = IGB_DEFAULT_RX_HTHRESH,
2122                         .wthresh = IGB_DEFAULT_RX_WTHRESH,
2123                 },
2124                 .rx_free_thresh = IGB_DEFAULT_RX_FREE_THRESH,
2125                 .rx_drop_en = 0,
2126         };
2127
2128         dev_info->default_txconf = (struct rte_eth_txconf) {
2129                 .tx_thresh = {
2130                         .pthresh = IGB_DEFAULT_TX_PTHRESH,
2131                         .hthresh = IGB_DEFAULT_TX_HTHRESH,
2132                         .wthresh = IGB_DEFAULT_TX_WTHRESH,
2133                 },
2134                 .txq_flags = 0,
2135         };
2136
2137         dev_info->rx_desc_lim = rx_desc_lim;
2138         dev_info->tx_desc_lim = tx_desc_lim;
2139
2140         dev_info->speed_capa = ETH_LINK_SPEED_10M_HD | ETH_LINK_SPEED_10M |
2141                         ETH_LINK_SPEED_100M_HD | ETH_LINK_SPEED_100M |
2142                         ETH_LINK_SPEED_1G;
2143 }
2144
2145 static const uint32_t *
2146 eth_igb_supported_ptypes_get(struct rte_eth_dev *dev)
2147 {
2148         static const uint32_t ptypes[] = {
2149                 /* refers to igb_rxd_pkt_info_to_pkt_type() */
2150                 RTE_PTYPE_L2_ETHER,
2151                 RTE_PTYPE_L3_IPV4,
2152                 RTE_PTYPE_L3_IPV4_EXT,
2153                 RTE_PTYPE_L3_IPV6,
2154                 RTE_PTYPE_L3_IPV6_EXT,
2155                 RTE_PTYPE_L4_TCP,
2156                 RTE_PTYPE_L4_UDP,
2157                 RTE_PTYPE_L4_SCTP,
2158                 RTE_PTYPE_TUNNEL_IP,
2159                 RTE_PTYPE_INNER_L3_IPV6,
2160                 RTE_PTYPE_INNER_L3_IPV6_EXT,
2161                 RTE_PTYPE_INNER_L4_TCP,
2162                 RTE_PTYPE_INNER_L4_UDP,
2163                 RTE_PTYPE_UNKNOWN
2164         };
2165
2166         if (dev->rx_pkt_burst == eth_igb_recv_pkts ||
2167             dev->rx_pkt_burst == eth_igb_recv_scattered_pkts)
2168                 return ptypes;
2169         return NULL;
2170 }
2171
2172 static void
2173 eth_igbvf_infos_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
2174 {
2175         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2176
2177         dev_info->pci_dev = RTE_DEV_TO_PCI(dev->device);
2178         dev_info->min_rx_bufsize = 256; /* See BSIZE field of RCTL register. */
2179         dev_info->max_rx_pktlen  = 0x3FFF; /* See RLPML register. */
2180         dev_info->max_mac_addrs = hw->mac.rar_entry_count;
2181         dev_info->rx_offload_capa = DEV_RX_OFFLOAD_VLAN_STRIP |
2182                                 DEV_RX_OFFLOAD_IPV4_CKSUM |
2183                                 DEV_RX_OFFLOAD_UDP_CKSUM  |
2184                                 DEV_RX_OFFLOAD_TCP_CKSUM;
2185         dev_info->tx_offload_capa = DEV_TX_OFFLOAD_VLAN_INSERT |
2186                                 DEV_TX_OFFLOAD_IPV4_CKSUM  |
2187                                 DEV_TX_OFFLOAD_UDP_CKSUM   |
2188                                 DEV_TX_OFFLOAD_TCP_CKSUM   |
2189                                 DEV_TX_OFFLOAD_SCTP_CKSUM  |
2190                                 DEV_TX_OFFLOAD_TCP_TSO;
2191         switch (hw->mac.type) {
2192         case e1000_vfadapt:
2193                 dev_info->max_rx_queues = 2;
2194                 dev_info->max_tx_queues = 2;
2195                 break;
2196         case e1000_vfadapt_i350:
2197                 dev_info->max_rx_queues = 1;
2198                 dev_info->max_tx_queues = 1;
2199                 break;
2200         default:
2201                 /* Should not happen */
2202                 break;
2203         }
2204
2205         dev_info->default_rxconf = (struct rte_eth_rxconf) {
2206                 .rx_thresh = {
2207                         .pthresh = IGB_DEFAULT_RX_PTHRESH,
2208                         .hthresh = IGB_DEFAULT_RX_HTHRESH,
2209                         .wthresh = IGB_DEFAULT_RX_WTHRESH,
2210                 },
2211                 .rx_free_thresh = IGB_DEFAULT_RX_FREE_THRESH,
2212                 .rx_drop_en = 0,
2213         };
2214
2215         dev_info->default_txconf = (struct rte_eth_txconf) {
2216                 .tx_thresh = {
2217                         .pthresh = IGB_DEFAULT_TX_PTHRESH,
2218                         .hthresh = IGB_DEFAULT_TX_HTHRESH,
2219                         .wthresh = IGB_DEFAULT_TX_WTHRESH,
2220                 },
2221                 .txq_flags = 0,
2222         };
2223
2224         dev_info->rx_desc_lim = rx_desc_lim;
2225         dev_info->tx_desc_lim = tx_desc_lim;
2226 }
2227
2228 /* return 0 means link status changed, -1 means not changed */
2229 static int
2230 eth_igb_link_update(struct rte_eth_dev *dev, int wait_to_complete)
2231 {
2232         struct e1000_hw *hw =
2233                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2234         struct rte_eth_link link, old;
2235         int link_check, count;
2236
2237         link_check = 0;
2238         hw->mac.get_link_status = 1;
2239
2240         /* possible wait-to-complete in up to 9 seconds */
2241         for (count = 0; count < IGB_LINK_UPDATE_CHECK_TIMEOUT; count ++) {
2242                 /* Read the real link status */
2243                 switch (hw->phy.media_type) {
2244                 case e1000_media_type_copper:
2245                         /* Do the work to read phy */
2246                         e1000_check_for_link(hw);
2247                         link_check = !hw->mac.get_link_status;
2248                         break;
2249
2250                 case e1000_media_type_fiber:
2251                         e1000_check_for_link(hw);
2252                         link_check = (E1000_READ_REG(hw, E1000_STATUS) &
2253                                       E1000_STATUS_LU);
2254                         break;
2255
2256                 case e1000_media_type_internal_serdes:
2257                         e1000_check_for_link(hw);
2258                         link_check = hw->mac.serdes_has_link;
2259                         break;
2260
2261                 /* VF device is type_unknown */
2262                 case e1000_media_type_unknown:
2263                         eth_igbvf_link_update(hw);
2264                         link_check = !hw->mac.get_link_status;
2265                         break;
2266
2267                 default:
2268                         break;
2269                 }
2270                 if (link_check || wait_to_complete == 0)
2271                         break;
2272                 rte_delay_ms(IGB_LINK_UPDATE_CHECK_INTERVAL);
2273         }
2274         memset(&link, 0, sizeof(link));
2275         rte_igb_dev_atomic_read_link_status(dev, &link);
2276         old = link;
2277
2278         /* Now we check if a transition has happened */
2279         if (link_check) {
2280                 uint16_t duplex, speed;
2281                 hw->mac.ops.get_link_up_info(hw, &speed, &duplex);
2282                 link.link_duplex = (duplex == FULL_DUPLEX) ?
2283                                 ETH_LINK_FULL_DUPLEX :
2284                                 ETH_LINK_HALF_DUPLEX;
2285                 link.link_speed = speed;
2286                 link.link_status = ETH_LINK_UP;
2287                 link.link_autoneg = !(dev->data->dev_conf.link_speeds &
2288                                 ETH_LINK_SPEED_FIXED);
2289         } else if (!link_check) {
2290                 link.link_speed = 0;
2291                 link.link_duplex = ETH_LINK_HALF_DUPLEX;
2292                 link.link_status = ETH_LINK_DOWN;
2293                 link.link_autoneg = ETH_LINK_SPEED_FIXED;
2294         }
2295         rte_igb_dev_atomic_write_link_status(dev, &link);
2296
2297         /* not changed */
2298         if (old.link_status == link.link_status)
2299                 return -1;
2300
2301         /* changed */
2302         return 0;
2303 }
2304
2305 /*
2306  * igb_hw_control_acquire sets CTRL_EXT:DRV_LOAD bit.
2307  * For ASF and Pass Through versions of f/w this means
2308  * that the driver is loaded.
2309  */
2310 static void
2311 igb_hw_control_acquire(struct e1000_hw *hw)
2312 {
2313         uint32_t ctrl_ext;
2314
2315         /* Let firmware know the driver has taken over */
2316         ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
2317         E1000_WRITE_REG(hw, E1000_CTRL_EXT, ctrl_ext | E1000_CTRL_EXT_DRV_LOAD);
2318 }
2319
2320 /*
2321  * igb_hw_control_release resets CTRL_EXT:DRV_LOAD bit.
2322  * For ASF and Pass Through versions of f/w this means that the
2323  * driver is no longer loaded.
2324  */
2325 static void
2326 igb_hw_control_release(struct e1000_hw *hw)
2327 {
2328         uint32_t ctrl_ext;
2329
2330         /* Let firmware taken over control of h/w */
2331         ctrl_ext = E1000_READ_REG(hw, E1000_CTRL_EXT);
2332         E1000_WRITE_REG(hw, E1000_CTRL_EXT,
2333                         ctrl_ext & ~E1000_CTRL_EXT_DRV_LOAD);
2334 }
2335
2336 /*
2337  * Bit of a misnomer, what this really means is
2338  * to enable OS management of the system... aka
2339  * to disable special hardware management features.
2340  */
2341 static void
2342 igb_init_manageability(struct e1000_hw *hw)
2343 {
2344         if (e1000_enable_mng_pass_thru(hw)) {
2345                 uint32_t manc2h = E1000_READ_REG(hw, E1000_MANC2H);
2346                 uint32_t manc = E1000_READ_REG(hw, E1000_MANC);
2347
2348                 /* disable hardware interception of ARP */
2349                 manc &= ~(E1000_MANC_ARP_EN);
2350
2351                 /* enable receiving management packets to the host */
2352                 manc |= E1000_MANC_EN_MNG2HOST;
2353                 manc2h |= 1 << 5;  /* Mng Port 623 */
2354                 manc2h |= 1 << 6;  /* Mng Port 664 */
2355                 E1000_WRITE_REG(hw, E1000_MANC2H, manc2h);
2356                 E1000_WRITE_REG(hw, E1000_MANC, manc);
2357         }
2358 }
2359
2360 static void
2361 igb_release_manageability(struct e1000_hw *hw)
2362 {
2363         if (e1000_enable_mng_pass_thru(hw)) {
2364                 uint32_t manc = E1000_READ_REG(hw, E1000_MANC);
2365
2366                 manc |= E1000_MANC_ARP_EN;
2367                 manc &= ~E1000_MANC_EN_MNG2HOST;
2368
2369                 E1000_WRITE_REG(hw, E1000_MANC, manc);
2370         }
2371 }
2372
2373 static void
2374 eth_igb_promiscuous_enable(struct rte_eth_dev *dev)
2375 {
2376         struct e1000_hw *hw =
2377                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2378         uint32_t rctl;
2379
2380         rctl = E1000_READ_REG(hw, E1000_RCTL);
2381         rctl |= (E1000_RCTL_UPE | E1000_RCTL_MPE);
2382         E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2383 }
2384
2385 static void
2386 eth_igb_promiscuous_disable(struct rte_eth_dev *dev)
2387 {
2388         struct e1000_hw *hw =
2389                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2390         uint32_t rctl;
2391
2392         rctl = E1000_READ_REG(hw, E1000_RCTL);
2393         rctl &= (~E1000_RCTL_UPE);
2394         if (dev->data->all_multicast == 1)
2395                 rctl |= E1000_RCTL_MPE;
2396         else
2397                 rctl &= (~E1000_RCTL_MPE);
2398         E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2399 }
2400
2401 static void
2402 eth_igb_allmulticast_enable(struct rte_eth_dev *dev)
2403 {
2404         struct e1000_hw *hw =
2405                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2406         uint32_t rctl;
2407
2408         rctl = E1000_READ_REG(hw, E1000_RCTL);
2409         rctl |= E1000_RCTL_MPE;
2410         E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2411 }
2412
2413 static void
2414 eth_igb_allmulticast_disable(struct rte_eth_dev *dev)
2415 {
2416         struct e1000_hw *hw =
2417                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2418         uint32_t rctl;
2419
2420         if (dev->data->promiscuous == 1)
2421                 return; /* must remain in all_multicast mode */
2422         rctl = E1000_READ_REG(hw, E1000_RCTL);
2423         rctl &= (~E1000_RCTL_MPE);
2424         E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2425 }
2426
2427 static int
2428 eth_igb_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
2429 {
2430         struct e1000_hw *hw =
2431                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2432         struct e1000_vfta * shadow_vfta =
2433                 E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
2434         uint32_t vfta;
2435         uint32_t vid_idx;
2436         uint32_t vid_bit;
2437
2438         vid_idx = (uint32_t) ((vlan_id >> E1000_VFTA_ENTRY_SHIFT) &
2439                               E1000_VFTA_ENTRY_MASK);
2440         vid_bit = (uint32_t) (1 << (vlan_id & E1000_VFTA_ENTRY_BIT_SHIFT_MASK));
2441         vfta = E1000_READ_REG_ARRAY(hw, E1000_VFTA, vid_idx);
2442         if (on)
2443                 vfta |= vid_bit;
2444         else
2445                 vfta &= ~vid_bit;
2446         E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, vid_idx, vfta);
2447
2448         /* update local VFTA copy */
2449         shadow_vfta->vfta[vid_idx] = vfta;
2450
2451         return 0;
2452 }
2453
2454 static int
2455 eth_igb_vlan_tpid_set(struct rte_eth_dev *dev,
2456                       enum rte_vlan_type vlan_type,
2457                       uint16_t tpid)
2458 {
2459         struct e1000_hw *hw =
2460                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2461         uint32_t reg, qinq;
2462
2463         qinq = E1000_READ_REG(hw, E1000_CTRL_EXT);
2464         qinq &= E1000_CTRL_EXT_EXT_VLAN;
2465
2466         /* only outer TPID of double VLAN can be configured*/
2467         if (qinq && vlan_type == ETH_VLAN_TYPE_OUTER) {
2468                 reg = E1000_READ_REG(hw, E1000_VET);
2469                 reg = (reg & (~E1000_VET_VET_EXT)) |
2470                         ((uint32_t)tpid << E1000_VET_VET_EXT_SHIFT);
2471                 E1000_WRITE_REG(hw, E1000_VET, reg);
2472
2473                 return 0;
2474         }
2475
2476         /* all other TPID values are read-only*/
2477         PMD_DRV_LOG(ERR, "Not supported");
2478
2479         return -ENOTSUP;
2480 }
2481
2482 static void
2483 igb_vlan_hw_filter_disable(struct rte_eth_dev *dev)
2484 {
2485         struct e1000_hw *hw =
2486                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2487         uint32_t reg;
2488
2489         /* Filter Table Disable */
2490         reg = E1000_READ_REG(hw, E1000_RCTL);
2491         reg &= ~E1000_RCTL_CFIEN;
2492         reg &= ~E1000_RCTL_VFE;
2493         E1000_WRITE_REG(hw, E1000_RCTL, reg);
2494 }
2495
2496 static void
2497 igb_vlan_hw_filter_enable(struct rte_eth_dev *dev)
2498 {
2499         struct e1000_hw *hw =
2500                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2501         struct e1000_vfta * shadow_vfta =
2502                 E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
2503         uint32_t reg;
2504         int i;
2505
2506         /* Filter Table Enable, CFI not used for packet acceptance */
2507         reg = E1000_READ_REG(hw, E1000_RCTL);
2508         reg &= ~E1000_RCTL_CFIEN;
2509         reg |= E1000_RCTL_VFE;
2510         E1000_WRITE_REG(hw, E1000_RCTL, reg);
2511
2512         /* restore VFTA table */
2513         for (i = 0; i < IGB_VFTA_SIZE; i++)
2514                 E1000_WRITE_REG_ARRAY(hw, E1000_VFTA, i, shadow_vfta->vfta[i]);
2515 }
2516
2517 static void
2518 igb_vlan_hw_strip_disable(struct rte_eth_dev *dev)
2519 {
2520         struct e1000_hw *hw =
2521                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2522         uint32_t reg;
2523
2524         /* VLAN Mode Disable */
2525         reg = E1000_READ_REG(hw, E1000_CTRL);
2526         reg &= ~E1000_CTRL_VME;
2527         E1000_WRITE_REG(hw, E1000_CTRL, reg);
2528 }
2529
2530 static void
2531 igb_vlan_hw_strip_enable(struct rte_eth_dev *dev)
2532 {
2533         struct e1000_hw *hw =
2534                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2535         uint32_t reg;
2536
2537         /* VLAN Mode Enable */
2538         reg = E1000_READ_REG(hw, E1000_CTRL);
2539         reg |= E1000_CTRL_VME;
2540         E1000_WRITE_REG(hw, E1000_CTRL, reg);
2541 }
2542
2543 static void
2544 igb_vlan_hw_extend_disable(struct rte_eth_dev *dev)
2545 {
2546         struct e1000_hw *hw =
2547                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2548         uint32_t reg;
2549
2550         /* CTRL_EXT: Extended VLAN */
2551         reg = E1000_READ_REG(hw, E1000_CTRL_EXT);
2552         reg &= ~E1000_CTRL_EXT_EXTEND_VLAN;
2553         E1000_WRITE_REG(hw, E1000_CTRL_EXT, reg);
2554
2555         /* Update maximum packet length */
2556         if (dev->data->dev_conf.rxmode.jumbo_frame == 1)
2557                 E1000_WRITE_REG(hw, E1000_RLPML,
2558                         dev->data->dev_conf.rxmode.max_rx_pkt_len +
2559                                                 VLAN_TAG_SIZE);
2560 }
2561
2562 static void
2563 igb_vlan_hw_extend_enable(struct rte_eth_dev *dev)
2564 {
2565         struct e1000_hw *hw =
2566                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2567         uint32_t reg;
2568
2569         /* CTRL_EXT: Extended VLAN */
2570         reg = E1000_READ_REG(hw, E1000_CTRL_EXT);
2571         reg |= E1000_CTRL_EXT_EXTEND_VLAN;
2572         E1000_WRITE_REG(hw, E1000_CTRL_EXT, reg);
2573
2574         /* Update maximum packet length */
2575         if (dev->data->dev_conf.rxmode.jumbo_frame == 1)
2576                 E1000_WRITE_REG(hw, E1000_RLPML,
2577                         dev->data->dev_conf.rxmode.max_rx_pkt_len +
2578                                                 2 * VLAN_TAG_SIZE);
2579 }
2580
2581 static void
2582 eth_igb_vlan_offload_set(struct rte_eth_dev *dev, int mask)
2583 {
2584         if(mask & ETH_VLAN_STRIP_MASK){
2585                 if (dev->data->dev_conf.rxmode.hw_vlan_strip)
2586                         igb_vlan_hw_strip_enable(dev);
2587                 else
2588                         igb_vlan_hw_strip_disable(dev);
2589         }
2590
2591         if(mask & ETH_VLAN_FILTER_MASK){
2592                 if (dev->data->dev_conf.rxmode.hw_vlan_filter)
2593                         igb_vlan_hw_filter_enable(dev);
2594                 else
2595                         igb_vlan_hw_filter_disable(dev);
2596         }
2597
2598         if(mask & ETH_VLAN_EXTEND_MASK){
2599                 if (dev->data->dev_conf.rxmode.hw_vlan_extend)
2600                         igb_vlan_hw_extend_enable(dev);
2601                 else
2602                         igb_vlan_hw_extend_disable(dev);
2603         }
2604 }
2605
2606
2607 /**
2608  * It enables the interrupt mask and then enable the interrupt.
2609  *
2610  * @param dev
2611  *  Pointer to struct rte_eth_dev.
2612  *
2613  * @return
2614  *  - On success, zero.
2615  *  - On failure, a negative value.
2616  */
2617 static int
2618 eth_igb_lsc_interrupt_setup(struct rte_eth_dev *dev)
2619 {
2620         struct e1000_interrupt *intr =
2621                 E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2622
2623         intr->mask |= E1000_ICR_LSC;
2624
2625         return 0;
2626 }
2627
2628 /* It clears the interrupt causes and enables the interrupt.
2629  * It will be called once only during nic initialized.
2630  *
2631  * @param dev
2632  *  Pointer to struct rte_eth_dev.
2633  *
2634  * @return
2635  *  - On success, zero.
2636  *  - On failure, a negative value.
2637  */
2638 static int eth_igb_rxq_interrupt_setup(struct rte_eth_dev *dev)
2639 {
2640         uint32_t mask, regval;
2641         struct e1000_hw *hw =
2642                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2643         struct rte_eth_dev_info dev_info;
2644
2645         memset(&dev_info, 0, sizeof(dev_info));
2646         eth_igb_infos_get(dev, &dev_info);
2647
2648         mask = 0xFFFFFFFF >> (32 - dev_info.max_rx_queues);
2649         regval = E1000_READ_REG(hw, E1000_EIMS);
2650         E1000_WRITE_REG(hw, E1000_EIMS, regval | mask);
2651
2652         return 0;
2653 }
2654
2655 /*
2656  * It reads ICR and gets interrupt causes, check it and set a bit flag
2657  * to update link status.
2658  *
2659  * @param dev
2660  *  Pointer to struct rte_eth_dev.
2661  *
2662  * @return
2663  *  - On success, zero.
2664  *  - On failure, a negative value.
2665  */
2666 static int
2667 eth_igb_interrupt_get_status(struct rte_eth_dev *dev)
2668 {
2669         uint32_t icr;
2670         struct e1000_hw *hw =
2671                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2672         struct e1000_interrupt *intr =
2673                 E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2674
2675         igb_intr_disable(hw);
2676
2677         /* read-on-clear nic registers here */
2678         icr = E1000_READ_REG(hw, E1000_ICR);
2679
2680         intr->flags = 0;
2681         if (icr & E1000_ICR_LSC) {
2682                 intr->flags |= E1000_FLAG_NEED_LINK_UPDATE;
2683         }
2684
2685         if (icr & E1000_ICR_VMMB)
2686                 intr->flags |= E1000_FLAG_MAILBOX;
2687
2688         return 0;
2689 }
2690
2691 /*
2692  * It executes link_update after knowing an interrupt is prsent.
2693  *
2694  * @param dev
2695  *  Pointer to struct rte_eth_dev.
2696  *
2697  * @return
2698  *  - On success, zero.
2699  *  - On failure, a negative value.
2700  */
2701 static int
2702 eth_igb_interrupt_action(struct rte_eth_dev *dev,
2703                          struct rte_intr_handle *intr_handle)
2704 {
2705         struct e1000_hw *hw =
2706                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2707         struct e1000_interrupt *intr =
2708                 E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2709         struct rte_pci_device *pci_dev = E1000_DEV_TO_PCI(dev);
2710         uint32_t tctl, rctl;
2711         struct rte_eth_link link;
2712         int ret;
2713
2714         if (intr->flags & E1000_FLAG_MAILBOX) {
2715                 igb_pf_mbx_process(dev);
2716                 intr->flags &= ~E1000_FLAG_MAILBOX;
2717         }
2718
2719         igb_intr_enable(dev);
2720         rte_intr_enable(intr_handle);
2721
2722         if (intr->flags & E1000_FLAG_NEED_LINK_UPDATE) {
2723                 intr->flags &= ~E1000_FLAG_NEED_LINK_UPDATE;
2724
2725                 /* set get_link_status to check register later */
2726                 hw->mac.get_link_status = 1;
2727                 ret = eth_igb_link_update(dev, 0);
2728
2729                 /* check if link has changed */
2730                 if (ret < 0)
2731                         return 0;
2732
2733                 memset(&link, 0, sizeof(link));
2734                 rte_igb_dev_atomic_read_link_status(dev, &link);
2735                 if (link.link_status) {
2736                         PMD_INIT_LOG(INFO,
2737                                      " Port %d: Link Up - speed %u Mbps - %s",
2738                                      dev->data->port_id,
2739                                      (unsigned)link.link_speed,
2740                                      link.link_duplex == ETH_LINK_FULL_DUPLEX ?
2741                                      "full-duplex" : "half-duplex");
2742                 } else {
2743                         PMD_INIT_LOG(INFO, " Port %d: Link Down",
2744                                      dev->data->port_id);
2745                 }
2746
2747                 PMD_INIT_LOG(DEBUG, "PCI Address: %04d:%02d:%02d:%d",
2748                              pci_dev->addr.domain,
2749                              pci_dev->addr.bus,
2750                              pci_dev->addr.devid,
2751                              pci_dev->addr.function);
2752                 tctl = E1000_READ_REG(hw, E1000_TCTL);
2753                 rctl = E1000_READ_REG(hw, E1000_RCTL);
2754                 if (link.link_status) {
2755                         /* enable Tx/Rx */
2756                         tctl |= E1000_TCTL_EN;
2757                         rctl |= E1000_RCTL_EN;
2758                 } else {
2759                         /* disable Tx/Rx */
2760                         tctl &= ~E1000_TCTL_EN;
2761                         rctl &= ~E1000_RCTL_EN;
2762                 }
2763                 E1000_WRITE_REG(hw, E1000_TCTL, tctl);
2764                 E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2765                 E1000_WRITE_FLUSH(hw);
2766                 _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_LSC, NULL);
2767         }
2768
2769         return 0;
2770 }
2771
2772 /**
2773  * Interrupt handler which shall be registered at first.
2774  *
2775  * @param handle
2776  *  Pointer to interrupt handle.
2777  * @param param
2778  *  The address of parameter (struct rte_eth_dev *) regsitered before.
2779  *
2780  * @return
2781  *  void
2782  */
2783 static void
2784 eth_igb_interrupt_handler(struct rte_intr_handle *handle, void *param)
2785 {
2786         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
2787
2788         eth_igb_interrupt_get_status(dev);
2789         eth_igb_interrupt_action(dev, handle);
2790 }
2791
2792 static int
2793 eth_igbvf_interrupt_get_status(struct rte_eth_dev *dev)
2794 {
2795         uint32_t eicr;
2796         struct e1000_hw *hw =
2797                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2798         struct e1000_interrupt *intr =
2799                 E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2800
2801         igbvf_intr_disable(hw);
2802
2803         /* read-on-clear nic registers here */
2804         eicr = E1000_READ_REG(hw, E1000_EICR);
2805         intr->flags = 0;
2806
2807         if (eicr == E1000_VTIVAR_MISC_MAILBOX)
2808                 intr->flags |= E1000_FLAG_MAILBOX;
2809
2810         return 0;
2811 }
2812
2813 void igbvf_mbx_process(struct rte_eth_dev *dev)
2814 {
2815         struct e1000_hw *hw =
2816                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2817         struct e1000_mbx_info *mbx = &hw->mbx;
2818         u32 in_msg = 0;
2819
2820         if (mbx->ops.read(hw, &in_msg, 1, 0))
2821                 return;
2822
2823         /* PF reset VF event */
2824         if (in_msg == E1000_PF_CONTROL_MSG)
2825                 _rte_eth_dev_callback_process(dev, RTE_ETH_EVENT_INTR_RESET, NULL);
2826 }
2827
2828 static int
2829 eth_igbvf_interrupt_action(struct rte_eth_dev *dev, struct rte_intr_handle *intr_handle)
2830 {
2831         struct e1000_interrupt *intr =
2832                 E1000_DEV_PRIVATE_TO_INTR(dev->data->dev_private);
2833
2834         if (intr->flags & E1000_FLAG_MAILBOX) {
2835                 igbvf_mbx_process(dev);
2836                 intr->flags &= ~E1000_FLAG_MAILBOX;
2837         }
2838
2839         igbvf_intr_enable(dev);
2840         rte_intr_enable(intr_handle);
2841
2842         return 0;
2843 }
2844
2845 static void
2846 eth_igbvf_interrupt_handler(struct rte_intr_handle *handle,
2847                             void *param)
2848 {
2849         struct rte_eth_dev *dev = (struct rte_eth_dev *)param;
2850
2851         eth_igbvf_interrupt_get_status(dev);
2852         eth_igbvf_interrupt_action(dev, handle);
2853 }
2854
2855 static int
2856 eth_igb_led_on(struct rte_eth_dev *dev)
2857 {
2858         struct e1000_hw *hw;
2859
2860         hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2861         return e1000_led_on(hw) == E1000_SUCCESS ? 0 : -ENOTSUP;
2862 }
2863
2864 static int
2865 eth_igb_led_off(struct rte_eth_dev *dev)
2866 {
2867         struct e1000_hw *hw;
2868
2869         hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2870         return e1000_led_off(hw) == E1000_SUCCESS ? 0 : -ENOTSUP;
2871 }
2872
2873 static int
2874 eth_igb_flow_ctrl_get(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
2875 {
2876         struct e1000_hw *hw;
2877         uint32_t ctrl;
2878         int tx_pause;
2879         int rx_pause;
2880
2881         hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2882         fc_conf->pause_time = hw->fc.pause_time;
2883         fc_conf->high_water = hw->fc.high_water;
2884         fc_conf->low_water = hw->fc.low_water;
2885         fc_conf->send_xon = hw->fc.send_xon;
2886         fc_conf->autoneg = hw->mac.autoneg;
2887
2888         /*
2889          * Return rx_pause and tx_pause status according to actual setting of
2890          * the TFCE and RFCE bits in the CTRL register.
2891          */
2892         ctrl = E1000_READ_REG(hw, E1000_CTRL);
2893         if (ctrl & E1000_CTRL_TFCE)
2894                 tx_pause = 1;
2895         else
2896                 tx_pause = 0;
2897
2898         if (ctrl & E1000_CTRL_RFCE)
2899                 rx_pause = 1;
2900         else
2901                 rx_pause = 0;
2902
2903         if (rx_pause && tx_pause)
2904                 fc_conf->mode = RTE_FC_FULL;
2905         else if (rx_pause)
2906                 fc_conf->mode = RTE_FC_RX_PAUSE;
2907         else if (tx_pause)
2908                 fc_conf->mode = RTE_FC_TX_PAUSE;
2909         else
2910                 fc_conf->mode = RTE_FC_NONE;
2911
2912         return 0;
2913 }
2914
2915 static int
2916 eth_igb_flow_ctrl_set(struct rte_eth_dev *dev, struct rte_eth_fc_conf *fc_conf)
2917 {
2918         struct e1000_hw *hw;
2919         int err;
2920         enum e1000_fc_mode rte_fcmode_2_e1000_fcmode[] = {
2921                 e1000_fc_none,
2922                 e1000_fc_rx_pause,
2923                 e1000_fc_tx_pause,
2924                 e1000_fc_full
2925         };
2926         uint32_t rx_buf_size;
2927         uint32_t max_high_water;
2928         uint32_t rctl;
2929
2930         hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2931         if (fc_conf->autoneg != hw->mac.autoneg)
2932                 return -ENOTSUP;
2933         rx_buf_size = igb_get_rx_buffer_size(hw);
2934         PMD_INIT_LOG(DEBUG, "Rx packet buffer size = 0x%x", rx_buf_size);
2935
2936         /* At least reserve one Ethernet frame for watermark */
2937         max_high_water = rx_buf_size - ETHER_MAX_LEN;
2938         if ((fc_conf->high_water > max_high_water) ||
2939             (fc_conf->high_water < fc_conf->low_water)) {
2940                 PMD_INIT_LOG(ERR, "e1000 incorrect high/low water value");
2941                 PMD_INIT_LOG(ERR, "high water must <=  0x%x", max_high_water);
2942                 return -EINVAL;
2943         }
2944
2945         hw->fc.requested_mode = rte_fcmode_2_e1000_fcmode[fc_conf->mode];
2946         hw->fc.pause_time     = fc_conf->pause_time;
2947         hw->fc.high_water     = fc_conf->high_water;
2948         hw->fc.low_water      = fc_conf->low_water;
2949         hw->fc.send_xon       = fc_conf->send_xon;
2950
2951         err = e1000_setup_link_generic(hw);
2952         if (err == E1000_SUCCESS) {
2953
2954                 /* check if we want to forward MAC frames - driver doesn't have native
2955                  * capability to do that, so we'll write the registers ourselves */
2956
2957                 rctl = E1000_READ_REG(hw, E1000_RCTL);
2958
2959                 /* set or clear MFLCN.PMCF bit depending on configuration */
2960                 if (fc_conf->mac_ctrl_frame_fwd != 0)
2961                         rctl |= E1000_RCTL_PMCF;
2962                 else
2963                         rctl &= ~E1000_RCTL_PMCF;
2964
2965                 E1000_WRITE_REG(hw, E1000_RCTL, rctl);
2966                 E1000_WRITE_FLUSH(hw);
2967
2968                 return 0;
2969         }
2970
2971         PMD_INIT_LOG(ERR, "e1000_setup_link_generic = 0x%x", err);
2972         return -EIO;
2973 }
2974
2975 #define E1000_RAH_POOLSEL_SHIFT      (18)
2976 static void
2977 eth_igb_rar_set(struct rte_eth_dev *dev, struct ether_addr *mac_addr,
2978                 uint32_t index, __rte_unused uint32_t pool)
2979 {
2980         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2981         uint32_t rah;
2982
2983         e1000_rar_set(hw, mac_addr->addr_bytes, index);
2984         rah = E1000_READ_REG(hw, E1000_RAH(index));
2985         rah |= (0x1 << (E1000_RAH_POOLSEL_SHIFT + pool));
2986         E1000_WRITE_REG(hw, E1000_RAH(index), rah);
2987 }
2988
2989 static void
2990 eth_igb_rar_clear(struct rte_eth_dev *dev, uint32_t index)
2991 {
2992         uint8_t addr[ETHER_ADDR_LEN];
2993         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
2994
2995         memset(addr, 0, sizeof(addr));
2996
2997         e1000_rar_set(hw, addr, index);
2998 }
2999
3000 static void
3001 eth_igb_default_mac_addr_set(struct rte_eth_dev *dev,
3002                                 struct ether_addr *addr)
3003 {
3004         eth_igb_rar_clear(dev, 0);
3005
3006         eth_igb_rar_set(dev, (void *)addr, 0, 0);
3007 }
3008 /*
3009  * Virtual Function operations
3010  */
3011 static void
3012 igbvf_intr_disable(struct e1000_hw *hw)
3013 {
3014         PMD_INIT_FUNC_TRACE();
3015
3016         /* Clear interrupt mask to stop from interrupts being generated */
3017         E1000_WRITE_REG(hw, E1000_EIMC, 0xFFFF);
3018
3019         E1000_WRITE_FLUSH(hw);
3020 }
3021
3022 static void
3023 igbvf_stop_adapter(struct rte_eth_dev *dev)
3024 {
3025         u32 reg_val;
3026         u16 i;
3027         struct rte_eth_dev_info dev_info;
3028         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3029
3030         memset(&dev_info, 0, sizeof(dev_info));
3031         eth_igbvf_infos_get(dev, &dev_info);
3032
3033         /* Clear interrupt mask to stop from interrupts being generated */
3034         igbvf_intr_disable(hw);
3035
3036         /* Clear any pending interrupts, flush previous writes */
3037         E1000_READ_REG(hw, E1000_EICR);
3038
3039         /* Disable the transmit unit.  Each queue must be disabled. */
3040         for (i = 0; i < dev_info.max_tx_queues; i++)
3041                 E1000_WRITE_REG(hw, E1000_TXDCTL(i), E1000_TXDCTL_SWFLSH);
3042
3043         /* Disable the receive unit by stopping each queue */
3044         for (i = 0; i < dev_info.max_rx_queues; i++) {
3045                 reg_val = E1000_READ_REG(hw, E1000_RXDCTL(i));
3046                 reg_val &= ~E1000_RXDCTL_QUEUE_ENABLE;
3047                 E1000_WRITE_REG(hw, E1000_RXDCTL(i), reg_val);
3048                 while (E1000_READ_REG(hw, E1000_RXDCTL(i)) & E1000_RXDCTL_QUEUE_ENABLE)
3049                         ;
3050         }
3051
3052         /* flush all queues disables */
3053         E1000_WRITE_FLUSH(hw);
3054         msec_delay(2);
3055 }
3056
3057 static int eth_igbvf_link_update(struct e1000_hw *hw)
3058 {
3059         struct e1000_mbx_info *mbx = &hw->mbx;
3060         struct e1000_mac_info *mac = &hw->mac;
3061         int ret_val = E1000_SUCCESS;
3062
3063         PMD_INIT_LOG(DEBUG, "e1000_check_for_link_vf");
3064
3065         /*
3066          * We only want to run this if there has been a rst asserted.
3067          * in this case that could mean a link change, device reset,
3068          * or a virtual function reset
3069          */
3070
3071         /* If we were hit with a reset or timeout drop the link */
3072         if (!e1000_check_for_rst(hw, 0) || !mbx->timeout)
3073                 mac->get_link_status = TRUE;
3074
3075         if (!mac->get_link_status)
3076                 goto out;
3077
3078         /* if link status is down no point in checking to see if pf is up */
3079         if (!(E1000_READ_REG(hw, E1000_STATUS) & E1000_STATUS_LU))
3080                 goto out;
3081
3082         /* if we passed all the tests above then the link is up and we no
3083          * longer need to check for link */
3084         mac->get_link_status = FALSE;
3085
3086 out:
3087         return ret_val;
3088 }
3089
3090
3091 static int
3092 igbvf_dev_configure(struct rte_eth_dev *dev)
3093 {
3094         struct rte_eth_conf* conf = &dev->data->dev_conf;
3095
3096         PMD_INIT_LOG(DEBUG, "Configured Virtual Function port id: %d",
3097                      dev->data->port_id);
3098
3099         /*
3100          * VF has no ability to enable/disable HW CRC
3101          * Keep the persistent behavior the same as Host PF
3102          */
3103 #ifndef RTE_LIBRTE_E1000_PF_DISABLE_STRIP_CRC
3104         if (!conf->rxmode.hw_strip_crc) {
3105                 PMD_INIT_LOG(NOTICE, "VF can't disable HW CRC Strip");
3106                 conf->rxmode.hw_strip_crc = 1;
3107         }
3108 #else
3109         if (conf->rxmode.hw_strip_crc) {
3110                 PMD_INIT_LOG(NOTICE, "VF can't enable HW CRC Strip");
3111                 conf->rxmode.hw_strip_crc = 0;
3112         }
3113 #endif
3114
3115         return 0;
3116 }
3117
3118 static int
3119 igbvf_dev_start(struct rte_eth_dev *dev)
3120 {
3121         struct e1000_hw *hw =
3122                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3123         struct e1000_adapter *adapter =
3124                 E1000_DEV_PRIVATE(dev->data->dev_private);
3125         struct rte_pci_device *pci_dev = E1000_DEV_TO_PCI(dev);
3126         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
3127         int ret;
3128         uint32_t intr_vector = 0;
3129
3130         PMD_INIT_FUNC_TRACE();
3131
3132         hw->mac.ops.reset_hw(hw);
3133         adapter->stopped = 0;
3134
3135         /* Set all vfta */
3136         igbvf_set_vfta_all(dev,1);
3137
3138         eth_igbvf_tx_init(dev);
3139
3140         /* This can fail when allocating mbufs for descriptor rings */
3141         ret = eth_igbvf_rx_init(dev);
3142         if (ret) {
3143                 PMD_INIT_LOG(ERR, "Unable to initialize RX hardware");
3144                 igb_dev_clear_queues(dev);
3145                 return ret;
3146         }
3147
3148         /* check and configure queue intr-vector mapping */
3149         if (dev->data->dev_conf.intr_conf.rxq != 0) {
3150                 intr_vector = dev->data->nb_rx_queues;
3151                 ret = rte_intr_efd_enable(intr_handle, intr_vector);
3152                 if (ret)
3153                         return ret;
3154         }
3155
3156         if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) {
3157                 intr_handle->intr_vec =
3158                         rte_zmalloc("intr_vec",
3159                                     dev->data->nb_rx_queues * sizeof(int), 0);
3160                 if (!intr_handle->intr_vec) {
3161                         PMD_INIT_LOG(ERR, "Failed to allocate %d rx_queues"
3162                                      " intr_vec", dev->data->nb_rx_queues);
3163                         return -ENOMEM;
3164                 }
3165         }
3166
3167         eth_igbvf_configure_msix_intr(dev);
3168
3169         /* enable uio/vfio intr/eventfd mapping */
3170         rte_intr_enable(intr_handle);
3171
3172         /* resume enabled intr since hw reset */
3173         igbvf_intr_enable(dev);
3174
3175         return 0;
3176 }
3177
3178 static void
3179 igbvf_dev_stop(struct rte_eth_dev *dev)
3180 {
3181         struct rte_pci_device *pci_dev = E1000_DEV_TO_PCI(dev);
3182         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
3183
3184         PMD_INIT_FUNC_TRACE();
3185
3186         igbvf_stop_adapter(dev);
3187
3188         /*
3189           * Clear what we set, but we still keep shadow_vfta to
3190           * restore after device starts
3191           */
3192         igbvf_set_vfta_all(dev,0);
3193
3194         igb_dev_clear_queues(dev);
3195
3196         /* disable intr eventfd mapping */
3197         rte_intr_disable(intr_handle);
3198
3199         /* Clean datapath event and queue/vec mapping */
3200         rte_intr_efd_disable(intr_handle);
3201         if (intr_handle->intr_vec) {
3202                 rte_free(intr_handle->intr_vec);
3203                 intr_handle->intr_vec = NULL;
3204         }
3205 }
3206
3207 static void
3208 igbvf_dev_close(struct rte_eth_dev *dev)
3209 {
3210         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3211         struct e1000_adapter *adapter =
3212                 E1000_DEV_PRIVATE(dev->data->dev_private);
3213         struct ether_addr addr;
3214
3215         PMD_INIT_FUNC_TRACE();
3216
3217         e1000_reset_hw(hw);
3218
3219         igbvf_dev_stop(dev);
3220         adapter->stopped = 1;
3221         igb_dev_free_queues(dev);
3222
3223         /**
3224          * reprogram the RAR with a zero mac address,
3225          * to ensure that the VF traffic goes to the PF
3226          * after stop, close and detach of the VF.
3227          **/
3228
3229         memset(&addr, 0, sizeof(addr));
3230         igbvf_default_mac_addr_set(dev, &addr);
3231 }
3232
3233 static void
3234 igbvf_promiscuous_enable(struct rte_eth_dev *dev)
3235 {
3236         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3237
3238         /* Set both unicast and multicast promisc */
3239         e1000_promisc_set_vf(hw, e1000_promisc_enabled);
3240 }
3241
3242 static void
3243 igbvf_promiscuous_disable(struct rte_eth_dev *dev)
3244 {
3245         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3246
3247         /* If in allmulticast mode leave multicast promisc */
3248         if (dev->data->all_multicast == 1)
3249                 e1000_promisc_set_vf(hw, e1000_promisc_multicast);
3250         else
3251                 e1000_promisc_set_vf(hw, e1000_promisc_disabled);
3252 }
3253
3254 static void
3255 igbvf_allmulticast_enable(struct rte_eth_dev *dev)
3256 {
3257         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3258
3259         /* In promiscuous mode multicast promisc already set */
3260         if (dev->data->promiscuous == 0)
3261                 e1000_promisc_set_vf(hw, e1000_promisc_multicast);
3262 }
3263
3264 static void
3265 igbvf_allmulticast_disable(struct rte_eth_dev *dev)
3266 {
3267         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3268
3269         /* In promiscuous mode leave multicast promisc enabled */
3270         if (dev->data->promiscuous == 0)
3271                 e1000_promisc_set_vf(hw, e1000_promisc_disabled);
3272 }
3273
3274 static int igbvf_set_vfta(struct e1000_hw *hw, uint16_t vid, bool on)
3275 {
3276         struct e1000_mbx_info *mbx = &hw->mbx;
3277         uint32_t msgbuf[2];
3278         s32 err;
3279
3280         /* After set vlan, vlan strip will also be enabled in igb driver*/
3281         msgbuf[0] = E1000_VF_SET_VLAN;
3282         msgbuf[1] = vid;
3283         /* Setting the 8 bit field MSG INFO to TRUE indicates "add" */
3284         if (on)
3285                 msgbuf[0] |= E1000_VF_SET_VLAN_ADD;
3286
3287         err = mbx->ops.write_posted(hw, msgbuf, 2, 0);
3288         if (err)
3289                 goto mbx_err;
3290
3291         err = mbx->ops.read_posted(hw, msgbuf, 2, 0);
3292         if (err)
3293                 goto mbx_err;
3294
3295         msgbuf[0] &= ~E1000_VT_MSGTYPE_CTS;
3296         if (msgbuf[0] == (E1000_VF_SET_VLAN | E1000_VT_MSGTYPE_NACK))
3297                 err = -EINVAL;
3298
3299 mbx_err:
3300         return err;
3301 }
3302
3303 static void igbvf_set_vfta_all(struct rte_eth_dev *dev, bool on)
3304 {
3305         struct e1000_hw *hw =
3306                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3307         struct e1000_vfta * shadow_vfta =
3308                 E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
3309         int i = 0, j = 0, vfta = 0, mask = 1;
3310
3311         for (i = 0; i < IGB_VFTA_SIZE; i++){
3312                 vfta = shadow_vfta->vfta[i];
3313                 if(vfta){
3314                         mask = 1;
3315                         for (j = 0; j < 32; j++){
3316                                 if(vfta & mask)
3317                                         igbvf_set_vfta(hw,
3318                                                 (uint16_t)((i<<5)+j), on);
3319                                 mask<<=1;
3320                         }
3321                 }
3322         }
3323
3324 }
3325
3326 static int
3327 igbvf_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
3328 {
3329         struct e1000_hw *hw =
3330                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3331         struct e1000_vfta * shadow_vfta =
3332                 E1000_DEV_PRIVATE_TO_VFTA(dev->data->dev_private);
3333         uint32_t vid_idx = 0;
3334         uint32_t vid_bit = 0;
3335         int ret = 0;
3336
3337         PMD_INIT_FUNC_TRACE();
3338
3339         /*vind is not used in VF driver, set to 0, check ixgbe_set_vfta_vf*/
3340         ret = igbvf_set_vfta(hw, vlan_id, !!on);
3341         if(ret){
3342                 PMD_INIT_LOG(ERR, "Unable to set VF vlan");
3343                 return ret;
3344         }
3345         vid_idx = (uint32_t) ((vlan_id >> 5) & 0x7F);
3346         vid_bit = (uint32_t) (1 << (vlan_id & 0x1F));
3347
3348         /*Save what we set and retore it after device reset*/
3349         if (on)
3350                 shadow_vfta->vfta[vid_idx] |= vid_bit;
3351         else
3352                 shadow_vfta->vfta[vid_idx] &= ~vid_bit;
3353
3354         return 0;
3355 }
3356
3357 static void
3358 igbvf_default_mac_addr_set(struct rte_eth_dev *dev, struct ether_addr *addr)
3359 {
3360         struct e1000_hw *hw =
3361                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3362
3363         /* index is not used by rar_set() */
3364         hw->mac.ops.rar_set(hw, (void *)addr, 0);
3365 }
3366
3367
3368 static int
3369 eth_igb_rss_reta_update(struct rte_eth_dev *dev,
3370                         struct rte_eth_rss_reta_entry64 *reta_conf,
3371                         uint16_t reta_size)
3372 {
3373         uint8_t i, j, mask;
3374         uint32_t reta, r;
3375         uint16_t idx, shift;
3376         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3377
3378         if (reta_size != ETH_RSS_RETA_SIZE_128) {
3379                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
3380                         "(%d) doesn't match the number hardware can supported "
3381                         "(%d)", reta_size, ETH_RSS_RETA_SIZE_128);
3382                 return -EINVAL;
3383         }
3384
3385         for (i = 0; i < reta_size; i += IGB_4_BIT_WIDTH) {
3386                 idx = i / RTE_RETA_GROUP_SIZE;
3387                 shift = i % RTE_RETA_GROUP_SIZE;
3388                 mask = (uint8_t)((reta_conf[idx].mask >> shift) &
3389                                                 IGB_4_BIT_MASK);
3390                 if (!mask)
3391                         continue;
3392                 if (mask == IGB_4_BIT_MASK)
3393                         r = 0;
3394                 else
3395                         r = E1000_READ_REG(hw, E1000_RETA(i >> 2));
3396                 for (j = 0, reta = 0; j < IGB_4_BIT_WIDTH; j++) {
3397                         if (mask & (0x1 << j))
3398                                 reta |= reta_conf[idx].reta[shift + j] <<
3399                                                         (CHAR_BIT * j);
3400                         else
3401                                 reta |= r & (IGB_8_BIT_MASK << (CHAR_BIT * j));
3402                 }
3403                 E1000_WRITE_REG(hw, E1000_RETA(i >> 2), reta);
3404         }
3405
3406         return 0;
3407 }
3408
3409 static int
3410 eth_igb_rss_reta_query(struct rte_eth_dev *dev,
3411                        struct rte_eth_rss_reta_entry64 *reta_conf,
3412                        uint16_t reta_size)
3413 {
3414         uint8_t i, j, mask;
3415         uint32_t reta;
3416         uint16_t idx, shift;
3417         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3418
3419         if (reta_size != ETH_RSS_RETA_SIZE_128) {
3420                 PMD_DRV_LOG(ERR, "The size of hash lookup table configured "
3421                         "(%d) doesn't match the number hardware can supported "
3422                         "(%d)", reta_size, ETH_RSS_RETA_SIZE_128);
3423                 return -EINVAL;
3424         }
3425
3426         for (i = 0; i < reta_size; i += IGB_4_BIT_WIDTH) {
3427                 idx = i / RTE_RETA_GROUP_SIZE;
3428                 shift = i % RTE_RETA_GROUP_SIZE;
3429                 mask = (uint8_t)((reta_conf[idx].mask >> shift) &
3430                                                 IGB_4_BIT_MASK);
3431                 if (!mask)
3432                         continue;
3433                 reta = E1000_READ_REG(hw, E1000_RETA(i >> 2));
3434                 for (j = 0; j < IGB_4_BIT_WIDTH; j++) {
3435                         if (mask & (0x1 << j))
3436                                 reta_conf[idx].reta[shift + j] =
3437                                         ((reta >> (CHAR_BIT * j)) &
3438                                                 IGB_8_BIT_MASK);
3439                 }
3440         }
3441
3442         return 0;
3443 }
3444
3445 #define MAC_TYPE_FILTER_SUP(type)    do {\
3446         if ((type) != e1000_82580 && (type) != e1000_i350 &&\
3447                 (type) != e1000_82576)\
3448                 return -ENOTSUP;\
3449 } while (0)
3450
3451 static int
3452 eth_igb_syn_filter_set(struct rte_eth_dev *dev,
3453                         struct rte_eth_syn_filter *filter,
3454                         bool add)
3455 {
3456         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3457         uint32_t synqf, rfctl;
3458
3459         if (filter->queue >= IGB_MAX_RX_QUEUE_NUM)
3460                 return -EINVAL;
3461
3462         synqf = E1000_READ_REG(hw, E1000_SYNQF(0));
3463
3464         if (add) {
3465                 if (synqf & E1000_SYN_FILTER_ENABLE)
3466                         return -EINVAL;
3467
3468                 synqf = (uint32_t)(((filter->queue << E1000_SYN_FILTER_QUEUE_SHIFT) &
3469                         E1000_SYN_FILTER_QUEUE) | E1000_SYN_FILTER_ENABLE);
3470
3471                 rfctl = E1000_READ_REG(hw, E1000_RFCTL);
3472                 if (filter->hig_pri)
3473                         rfctl |= E1000_RFCTL_SYNQFP;
3474                 else
3475                         rfctl &= ~E1000_RFCTL_SYNQFP;
3476
3477                 E1000_WRITE_REG(hw, E1000_RFCTL, rfctl);
3478         } else {
3479                 if (!(synqf & E1000_SYN_FILTER_ENABLE))
3480                         return -ENOENT;
3481                 synqf = 0;
3482         }
3483
3484         E1000_WRITE_REG(hw, E1000_SYNQF(0), synqf);
3485         E1000_WRITE_FLUSH(hw);
3486         return 0;
3487 }
3488
3489 static int
3490 eth_igb_syn_filter_get(struct rte_eth_dev *dev,
3491                         struct rte_eth_syn_filter *filter)
3492 {
3493         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3494         uint32_t synqf, rfctl;
3495
3496         synqf = E1000_READ_REG(hw, E1000_SYNQF(0));
3497         if (synqf & E1000_SYN_FILTER_ENABLE) {
3498                 rfctl = E1000_READ_REG(hw, E1000_RFCTL);
3499                 filter->hig_pri = (rfctl & E1000_RFCTL_SYNQFP) ? 1 : 0;
3500                 filter->queue = (uint8_t)((synqf & E1000_SYN_FILTER_QUEUE) >>
3501                                 E1000_SYN_FILTER_QUEUE_SHIFT);
3502                 return 0;
3503         }
3504
3505         return -ENOENT;
3506 }
3507
3508 static int
3509 eth_igb_syn_filter_handle(struct rte_eth_dev *dev,
3510                         enum rte_filter_op filter_op,
3511                         void *arg)
3512 {
3513         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3514         int ret;
3515
3516         MAC_TYPE_FILTER_SUP(hw->mac.type);
3517
3518         if (filter_op == RTE_ETH_FILTER_NOP)
3519                 return 0;
3520
3521         if (arg == NULL) {
3522                 PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u",
3523                             filter_op);
3524                 return -EINVAL;
3525         }
3526
3527         switch (filter_op) {
3528         case RTE_ETH_FILTER_ADD:
3529                 ret = eth_igb_syn_filter_set(dev,
3530                                 (struct rte_eth_syn_filter *)arg,
3531                                 TRUE);
3532                 break;
3533         case RTE_ETH_FILTER_DELETE:
3534                 ret = eth_igb_syn_filter_set(dev,
3535                                 (struct rte_eth_syn_filter *)arg,
3536                                 FALSE);
3537                 break;
3538         case RTE_ETH_FILTER_GET:
3539                 ret = eth_igb_syn_filter_get(dev,
3540                                 (struct rte_eth_syn_filter *)arg);
3541                 break;
3542         default:
3543                 PMD_DRV_LOG(ERR, "unsupported operation %u", filter_op);
3544                 ret = -EINVAL;
3545                 break;
3546         }
3547
3548         return ret;
3549 }
3550
3551 #define MAC_TYPE_FILTER_SUP_EXT(type)    do {\
3552         if ((type) != e1000_82580 && (type) != e1000_i350)\
3553                 return -ENOSYS; \
3554 } while (0)
3555
3556 /* translate elements in struct rte_eth_ntuple_filter to struct e1000_2tuple_filter_info*/
3557 static inline int
3558 ntuple_filter_to_2tuple(struct rte_eth_ntuple_filter *filter,
3559                         struct e1000_2tuple_filter_info *filter_info)
3560 {
3561         if (filter->queue >= IGB_MAX_RX_QUEUE_NUM)
3562                 return -EINVAL;
3563         if (filter->priority > E1000_2TUPLE_MAX_PRI)
3564                 return -EINVAL;  /* filter index is out of range. */
3565         if (filter->tcp_flags > TCP_FLAG_ALL)
3566                 return -EINVAL;  /* flags is invalid. */
3567
3568         switch (filter->dst_port_mask) {
3569         case UINT16_MAX:
3570                 filter_info->dst_port_mask = 0;
3571                 filter_info->dst_port = filter->dst_port;
3572                 break;
3573         case 0:
3574                 filter_info->dst_port_mask = 1;
3575                 break;
3576         default:
3577                 PMD_DRV_LOG(ERR, "invalid dst_port mask.");
3578                 return -EINVAL;
3579         }
3580
3581         switch (filter->proto_mask) {
3582         case UINT8_MAX:
3583                 filter_info->proto_mask = 0;
3584                 filter_info->proto = filter->proto;
3585                 break;
3586         case 0:
3587                 filter_info->proto_mask = 1;
3588                 break;
3589         default:
3590                 PMD_DRV_LOG(ERR, "invalid protocol mask.");
3591                 return -EINVAL;
3592         }
3593
3594         filter_info->priority = (uint8_t)filter->priority;
3595         if (filter->flags & RTE_NTUPLE_FLAGS_TCP_FLAG)
3596                 filter_info->tcp_flags = filter->tcp_flags;
3597         else
3598                 filter_info->tcp_flags = 0;
3599
3600         return 0;
3601 }
3602
3603 static inline struct e1000_2tuple_filter *
3604 igb_2tuple_filter_lookup(struct e1000_2tuple_filter_list *filter_list,
3605                         struct e1000_2tuple_filter_info *key)
3606 {
3607         struct e1000_2tuple_filter *it;
3608
3609         TAILQ_FOREACH(it, filter_list, entries) {
3610                 if (memcmp(key, &it->filter_info,
3611                         sizeof(struct e1000_2tuple_filter_info)) == 0) {
3612                         return it;
3613                 }
3614         }
3615         return NULL;
3616 }
3617
3618 /*
3619  * igb_add_2tuple_filter - add a 2tuple filter
3620  *
3621  * @param
3622  * dev: Pointer to struct rte_eth_dev.
3623  * ntuple_filter: ponter to the filter that will be added.
3624  *
3625  * @return
3626  *    - On success, zero.
3627  *    - On failure, a negative value.
3628  */
3629 static int
3630 igb_add_2tuple_filter(struct rte_eth_dev *dev,
3631                         struct rte_eth_ntuple_filter *ntuple_filter)
3632 {
3633         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3634         struct e1000_filter_info *filter_info =
3635                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
3636         struct e1000_2tuple_filter *filter;
3637         uint32_t ttqf = E1000_TTQF_DISABLE_MASK;
3638         uint32_t imir, imir_ext = E1000_IMIREXT_SIZE_BP;
3639         int i, ret;
3640
3641         filter = rte_zmalloc("e1000_2tuple_filter",
3642                         sizeof(struct e1000_2tuple_filter), 0);
3643         if (filter == NULL)
3644                 return -ENOMEM;
3645
3646         ret = ntuple_filter_to_2tuple(ntuple_filter,
3647                                       &filter->filter_info);
3648         if (ret < 0) {
3649                 rte_free(filter);
3650                 return ret;
3651         }
3652         if (igb_2tuple_filter_lookup(&filter_info->twotuple_list,
3653                                          &filter->filter_info) != NULL) {
3654                 PMD_DRV_LOG(ERR, "filter exists.");
3655                 rte_free(filter);
3656                 return -EEXIST;
3657         }
3658         filter->queue = ntuple_filter->queue;
3659
3660         /*
3661          * look for an unused 2tuple filter index,
3662          * and insert the filter to list.
3663          */
3664         for (i = 0; i < E1000_MAX_TTQF_FILTERS; i++) {
3665                 if (!(filter_info->twotuple_mask & (1 << i))) {
3666                         filter_info->twotuple_mask |= 1 << i;
3667                         filter->index = i;
3668                         TAILQ_INSERT_TAIL(&filter_info->twotuple_list,
3669                                           filter,
3670                                           entries);
3671                         break;
3672                 }
3673         }
3674         if (i >= E1000_MAX_TTQF_FILTERS) {
3675                 PMD_DRV_LOG(ERR, "2tuple filters are full.");
3676                 rte_free(filter);
3677                 return -ENOSYS;
3678         }
3679
3680         imir = (uint32_t)(filter->filter_info.dst_port & E1000_IMIR_DSTPORT);
3681         if (filter->filter_info.dst_port_mask == 1) /* 1b means not compare. */
3682                 imir |= E1000_IMIR_PORT_BP;
3683         else
3684                 imir &= ~E1000_IMIR_PORT_BP;
3685
3686         imir |= filter->filter_info.priority << E1000_IMIR_PRIORITY_SHIFT;
3687
3688         ttqf |= E1000_TTQF_QUEUE_ENABLE;
3689         ttqf |= (uint32_t)(filter->queue << E1000_TTQF_QUEUE_SHIFT);
3690         ttqf |= (uint32_t)(filter->filter_info.proto & E1000_TTQF_PROTOCOL_MASK);
3691         if (filter->filter_info.proto_mask == 0)
3692                 ttqf &= ~E1000_TTQF_MASK_ENABLE;
3693
3694         /* tcp flags bits setting. */
3695         if (filter->filter_info.tcp_flags & TCP_FLAG_ALL) {
3696                 if (filter->filter_info.tcp_flags & TCP_URG_FLAG)
3697                         imir_ext |= E1000_IMIREXT_CTRL_URG;
3698                 if (filter->filter_info.tcp_flags & TCP_ACK_FLAG)
3699                         imir_ext |= E1000_IMIREXT_CTRL_ACK;
3700                 if (filter->filter_info.tcp_flags & TCP_PSH_FLAG)
3701                         imir_ext |= E1000_IMIREXT_CTRL_PSH;
3702                 if (filter->filter_info.tcp_flags & TCP_RST_FLAG)
3703                         imir_ext |= E1000_IMIREXT_CTRL_RST;
3704                 if (filter->filter_info.tcp_flags & TCP_SYN_FLAG)
3705                         imir_ext |= E1000_IMIREXT_CTRL_SYN;
3706                 if (filter->filter_info.tcp_flags & TCP_FIN_FLAG)
3707                         imir_ext |= E1000_IMIREXT_CTRL_FIN;
3708         } else
3709                 imir_ext |= E1000_IMIREXT_CTRL_BP;
3710         E1000_WRITE_REG(hw, E1000_IMIR(i), imir);
3711         E1000_WRITE_REG(hw, E1000_TTQF(i), ttqf);
3712         E1000_WRITE_REG(hw, E1000_IMIREXT(i), imir_ext);
3713         return 0;
3714 }
3715
3716 /*
3717  * igb_remove_2tuple_filter - remove a 2tuple filter
3718  *
3719  * @param
3720  * dev: Pointer to struct rte_eth_dev.
3721  * ntuple_filter: ponter to the filter that will be removed.
3722  *
3723  * @return
3724  *    - On success, zero.
3725  *    - On failure, a negative value.
3726  */
3727 static int
3728 igb_remove_2tuple_filter(struct rte_eth_dev *dev,
3729                         struct rte_eth_ntuple_filter *ntuple_filter)
3730 {
3731         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3732         struct e1000_filter_info *filter_info =
3733                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
3734         struct e1000_2tuple_filter_info filter_2tuple;
3735         struct e1000_2tuple_filter *filter;
3736         int ret;
3737
3738         memset(&filter_2tuple, 0, sizeof(struct e1000_2tuple_filter_info));
3739         ret = ntuple_filter_to_2tuple(ntuple_filter,
3740                                       &filter_2tuple);
3741         if (ret < 0)
3742                 return ret;
3743
3744         filter = igb_2tuple_filter_lookup(&filter_info->twotuple_list,
3745                                          &filter_2tuple);
3746         if (filter == NULL) {
3747                 PMD_DRV_LOG(ERR, "filter doesn't exist.");
3748                 return -ENOENT;
3749         }
3750
3751         filter_info->twotuple_mask &= ~(1 << filter->index);
3752         TAILQ_REMOVE(&filter_info->twotuple_list, filter, entries);
3753         rte_free(filter);
3754
3755         E1000_WRITE_REG(hw, E1000_TTQF(filter->index), E1000_TTQF_DISABLE_MASK);
3756         E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
3757         E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
3758         return 0;
3759 }
3760
3761 static inline struct e1000_flex_filter *
3762 eth_igb_flex_filter_lookup(struct e1000_flex_filter_list *filter_list,
3763                         struct e1000_flex_filter_info *key)
3764 {
3765         struct e1000_flex_filter *it;
3766
3767         TAILQ_FOREACH(it, filter_list, entries) {
3768                 if (memcmp(key, &it->filter_info,
3769                         sizeof(struct e1000_flex_filter_info)) == 0)
3770                         return it;
3771         }
3772
3773         return NULL;
3774 }
3775
3776 static int
3777 eth_igb_add_del_flex_filter(struct rte_eth_dev *dev,
3778                         struct rte_eth_flex_filter *filter,
3779                         bool add)
3780 {
3781         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3782         struct e1000_filter_info *filter_info =
3783                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
3784         struct e1000_flex_filter *flex_filter, *it;
3785         uint32_t wufc, queueing, mask;
3786         uint32_t reg_off;
3787         uint8_t shift, i, j = 0;
3788
3789         flex_filter = rte_zmalloc("e1000_flex_filter",
3790                         sizeof(struct e1000_flex_filter), 0);
3791         if (flex_filter == NULL)
3792                 return -ENOMEM;
3793
3794         flex_filter->filter_info.len = filter->len;
3795         flex_filter->filter_info.priority = filter->priority;
3796         memcpy(flex_filter->filter_info.dwords, filter->bytes, filter->len);
3797         for (i = 0; i < RTE_ALIGN(filter->len, CHAR_BIT) / CHAR_BIT; i++) {
3798                 mask = 0;
3799                 /* reverse bits in flex filter's mask*/
3800                 for (shift = 0; shift < CHAR_BIT; shift++) {
3801                         if (filter->mask[i] & (0x01 << shift))
3802                                 mask |= (0x80 >> shift);
3803                 }
3804                 flex_filter->filter_info.mask[i] = mask;
3805         }
3806
3807         wufc = E1000_READ_REG(hw, E1000_WUFC);
3808         if (flex_filter->index < E1000_MAX_FHFT)
3809                 reg_off = E1000_FHFT(flex_filter->index);
3810         else
3811                 reg_off = E1000_FHFT_EXT(flex_filter->index - E1000_MAX_FHFT);
3812
3813         if (add) {
3814                 if (eth_igb_flex_filter_lookup(&filter_info->flex_list,
3815                                 &flex_filter->filter_info) != NULL) {
3816                         PMD_DRV_LOG(ERR, "filter exists.");
3817                         rte_free(flex_filter);
3818                         return -EEXIST;
3819                 }
3820                 flex_filter->queue = filter->queue;
3821                 /*
3822                  * look for an unused flex filter index
3823                  * and insert the filter into the list.
3824                  */
3825                 for (i = 0; i < E1000_MAX_FLEX_FILTERS; i++) {
3826                         if (!(filter_info->flex_mask & (1 << i))) {
3827                                 filter_info->flex_mask |= 1 << i;
3828                                 flex_filter->index = i;
3829                                 TAILQ_INSERT_TAIL(&filter_info->flex_list,
3830                                         flex_filter,
3831                                         entries);
3832                                 break;
3833                         }
3834                 }
3835                 if (i >= E1000_MAX_FLEX_FILTERS) {
3836                         PMD_DRV_LOG(ERR, "flex filters are full.");
3837                         rte_free(flex_filter);
3838                         return -ENOSYS;
3839                 }
3840
3841                 E1000_WRITE_REG(hw, E1000_WUFC, wufc | E1000_WUFC_FLEX_HQ |
3842                                 (E1000_WUFC_FLX0 << flex_filter->index));
3843                 queueing = filter->len |
3844                         (filter->queue << E1000_FHFT_QUEUEING_QUEUE_SHIFT) |
3845                         (filter->priority << E1000_FHFT_QUEUEING_PRIO_SHIFT);
3846                 E1000_WRITE_REG(hw, reg_off + E1000_FHFT_QUEUEING_OFFSET,
3847                                 queueing);
3848                 for (i = 0; i < E1000_FLEX_FILTERS_MASK_SIZE; i++) {
3849                         E1000_WRITE_REG(hw, reg_off,
3850                                         flex_filter->filter_info.dwords[j]);
3851                         reg_off += sizeof(uint32_t);
3852                         E1000_WRITE_REG(hw, reg_off,
3853                                         flex_filter->filter_info.dwords[++j]);
3854                         reg_off += sizeof(uint32_t);
3855                         E1000_WRITE_REG(hw, reg_off,
3856                                 (uint32_t)flex_filter->filter_info.mask[i]);
3857                         reg_off += sizeof(uint32_t) * 2;
3858                         ++j;
3859                 }
3860         } else {
3861                 it = eth_igb_flex_filter_lookup(&filter_info->flex_list,
3862                                 &flex_filter->filter_info);
3863                 if (it == NULL) {
3864                         PMD_DRV_LOG(ERR, "filter doesn't exist.");
3865                         rte_free(flex_filter);
3866                         return -ENOENT;
3867                 }
3868
3869                 for (i = 0; i < E1000_FHFT_SIZE_IN_DWD; i++)
3870                         E1000_WRITE_REG(hw, reg_off + i * sizeof(uint32_t), 0);
3871                 E1000_WRITE_REG(hw, E1000_WUFC, wufc &
3872                         (~(E1000_WUFC_FLX0 << it->index)));
3873
3874                 filter_info->flex_mask &= ~(1 << it->index);
3875                 TAILQ_REMOVE(&filter_info->flex_list, it, entries);
3876                 rte_free(it);
3877                 rte_free(flex_filter);
3878         }
3879
3880         return 0;
3881 }
3882
3883 static int
3884 eth_igb_get_flex_filter(struct rte_eth_dev *dev,
3885                         struct rte_eth_flex_filter *filter)
3886 {
3887         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3888         struct e1000_filter_info *filter_info =
3889                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
3890         struct e1000_flex_filter flex_filter, *it;
3891         uint32_t wufc, queueing, wufc_en = 0;
3892
3893         memset(&flex_filter, 0, sizeof(struct e1000_flex_filter));
3894         flex_filter.filter_info.len = filter->len;
3895         flex_filter.filter_info.priority = filter->priority;
3896         memcpy(flex_filter.filter_info.dwords, filter->bytes, filter->len);
3897         memcpy(flex_filter.filter_info.mask, filter->mask,
3898                         RTE_ALIGN(filter->len, sizeof(char)) / sizeof(char));
3899
3900         it = eth_igb_flex_filter_lookup(&filter_info->flex_list,
3901                                 &flex_filter.filter_info);
3902         if (it == NULL) {
3903                 PMD_DRV_LOG(ERR, "filter doesn't exist.");
3904                 return -ENOENT;
3905         }
3906
3907         wufc = E1000_READ_REG(hw, E1000_WUFC);
3908         wufc_en = E1000_WUFC_FLEX_HQ | (E1000_WUFC_FLX0 << it->index);
3909
3910         if ((wufc & wufc_en) == wufc_en) {
3911                 uint32_t reg_off = 0;
3912                 if (it->index < E1000_MAX_FHFT)
3913                         reg_off = E1000_FHFT(it->index);
3914                 else
3915                         reg_off = E1000_FHFT_EXT(it->index - E1000_MAX_FHFT);
3916
3917                 queueing = E1000_READ_REG(hw,
3918                                 reg_off + E1000_FHFT_QUEUEING_OFFSET);
3919                 filter->len = queueing & E1000_FHFT_QUEUEING_LEN;
3920                 filter->priority = (queueing & E1000_FHFT_QUEUEING_PRIO) >>
3921                         E1000_FHFT_QUEUEING_PRIO_SHIFT;
3922                 filter->queue = (queueing & E1000_FHFT_QUEUEING_QUEUE) >>
3923                         E1000_FHFT_QUEUEING_QUEUE_SHIFT;
3924                 return 0;
3925         }
3926         return -ENOENT;
3927 }
3928
3929 static int
3930 eth_igb_flex_filter_handle(struct rte_eth_dev *dev,
3931                         enum rte_filter_op filter_op,
3932                         void *arg)
3933 {
3934         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
3935         struct rte_eth_flex_filter *filter;
3936         int ret = 0;
3937
3938         MAC_TYPE_FILTER_SUP_EXT(hw->mac.type);
3939
3940         if (filter_op == RTE_ETH_FILTER_NOP)
3941                 return ret;
3942
3943         if (arg == NULL) {
3944                 PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u",
3945                             filter_op);
3946                 return -EINVAL;
3947         }
3948
3949         filter = (struct rte_eth_flex_filter *)arg;
3950         if (filter->len == 0 || filter->len > E1000_MAX_FLEX_FILTER_LEN
3951             || filter->len % sizeof(uint64_t) != 0) {
3952                 PMD_DRV_LOG(ERR, "filter's length is out of range");
3953                 return -EINVAL;
3954         }
3955         if (filter->priority > E1000_MAX_FLEX_FILTER_PRI) {
3956                 PMD_DRV_LOG(ERR, "filter's priority is out of range");
3957                 return -EINVAL;
3958         }
3959
3960         switch (filter_op) {
3961         case RTE_ETH_FILTER_ADD:
3962                 ret = eth_igb_add_del_flex_filter(dev, filter, TRUE);
3963                 break;
3964         case RTE_ETH_FILTER_DELETE:
3965                 ret = eth_igb_add_del_flex_filter(dev, filter, FALSE);
3966                 break;
3967         case RTE_ETH_FILTER_GET:
3968                 ret = eth_igb_get_flex_filter(dev, filter);
3969                 break;
3970         default:
3971                 PMD_DRV_LOG(ERR, "unsupported operation %u", filter_op);
3972                 ret = -EINVAL;
3973                 break;
3974         }
3975
3976         return ret;
3977 }
3978
3979 /* translate elements in struct rte_eth_ntuple_filter to struct e1000_5tuple_filter_info*/
3980 static inline int
3981 ntuple_filter_to_5tuple_82576(struct rte_eth_ntuple_filter *filter,
3982                         struct e1000_5tuple_filter_info *filter_info)
3983 {
3984         if (filter->queue >= IGB_MAX_RX_QUEUE_NUM_82576)
3985                 return -EINVAL;
3986         if (filter->priority > E1000_2TUPLE_MAX_PRI)
3987                 return -EINVAL;  /* filter index is out of range. */
3988         if (filter->tcp_flags > TCP_FLAG_ALL)
3989                 return -EINVAL;  /* flags is invalid. */
3990
3991         switch (filter->dst_ip_mask) {
3992         case UINT32_MAX:
3993                 filter_info->dst_ip_mask = 0;
3994                 filter_info->dst_ip = filter->dst_ip;
3995                 break;
3996         case 0:
3997                 filter_info->dst_ip_mask = 1;
3998                 break;
3999         default:
4000                 PMD_DRV_LOG(ERR, "invalid dst_ip mask.");
4001                 return -EINVAL;
4002         }
4003
4004         switch (filter->src_ip_mask) {
4005         case UINT32_MAX:
4006                 filter_info->src_ip_mask = 0;
4007                 filter_info->src_ip = filter->src_ip;
4008                 break;
4009         case 0:
4010                 filter_info->src_ip_mask = 1;
4011                 break;
4012         default:
4013                 PMD_DRV_LOG(ERR, "invalid src_ip mask.");
4014                 return -EINVAL;
4015         }
4016
4017         switch (filter->dst_port_mask) {
4018         case UINT16_MAX:
4019                 filter_info->dst_port_mask = 0;
4020                 filter_info->dst_port = filter->dst_port;
4021                 break;
4022         case 0:
4023                 filter_info->dst_port_mask = 1;
4024                 break;
4025         default:
4026                 PMD_DRV_LOG(ERR, "invalid dst_port mask.");
4027                 return -EINVAL;
4028         }
4029
4030         switch (filter->src_port_mask) {
4031         case UINT16_MAX:
4032                 filter_info->src_port_mask = 0;
4033                 filter_info->src_port = filter->src_port;
4034                 break;
4035         case 0:
4036                 filter_info->src_port_mask = 1;
4037                 break;
4038         default:
4039                 PMD_DRV_LOG(ERR, "invalid src_port mask.");
4040                 return -EINVAL;
4041         }
4042
4043         switch (filter->proto_mask) {
4044         case UINT8_MAX:
4045                 filter_info->proto_mask = 0;
4046                 filter_info->proto = filter->proto;
4047                 break;
4048         case 0:
4049                 filter_info->proto_mask = 1;
4050                 break;
4051         default:
4052                 PMD_DRV_LOG(ERR, "invalid protocol mask.");
4053                 return -EINVAL;
4054         }
4055
4056         filter_info->priority = (uint8_t)filter->priority;
4057         if (filter->flags & RTE_NTUPLE_FLAGS_TCP_FLAG)
4058                 filter_info->tcp_flags = filter->tcp_flags;
4059         else
4060                 filter_info->tcp_flags = 0;
4061
4062         return 0;
4063 }
4064
4065 static inline struct e1000_5tuple_filter *
4066 igb_5tuple_filter_lookup_82576(struct e1000_5tuple_filter_list *filter_list,
4067                         struct e1000_5tuple_filter_info *key)
4068 {
4069         struct e1000_5tuple_filter *it;
4070
4071         TAILQ_FOREACH(it, filter_list, entries) {
4072                 if (memcmp(key, &it->filter_info,
4073                         sizeof(struct e1000_5tuple_filter_info)) == 0) {
4074                         return it;
4075                 }
4076         }
4077         return NULL;
4078 }
4079
4080 /*
4081  * igb_add_5tuple_filter_82576 - add a 5tuple filter
4082  *
4083  * @param
4084  * dev: Pointer to struct rte_eth_dev.
4085  * ntuple_filter: ponter to the filter that will be added.
4086  *
4087  * @return
4088  *    - On success, zero.
4089  *    - On failure, a negative value.
4090  */
4091 static int
4092 igb_add_5tuple_filter_82576(struct rte_eth_dev *dev,
4093                         struct rte_eth_ntuple_filter *ntuple_filter)
4094 {
4095         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4096         struct e1000_filter_info *filter_info =
4097                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4098         struct e1000_5tuple_filter *filter;
4099         uint32_t ftqf = E1000_FTQF_VF_BP | E1000_FTQF_MASK;
4100         uint32_t spqf, imir, imir_ext = E1000_IMIREXT_SIZE_BP;
4101         uint8_t i;
4102         int ret;
4103
4104         filter = rte_zmalloc("e1000_5tuple_filter",
4105                         sizeof(struct e1000_5tuple_filter), 0);
4106         if (filter == NULL)
4107                 return -ENOMEM;
4108
4109         ret = ntuple_filter_to_5tuple_82576(ntuple_filter,
4110                                             &filter->filter_info);
4111         if (ret < 0) {
4112                 rte_free(filter);
4113                 return ret;
4114         }
4115
4116         if (igb_5tuple_filter_lookup_82576(&filter_info->fivetuple_list,
4117                                          &filter->filter_info) != NULL) {
4118                 PMD_DRV_LOG(ERR, "filter exists.");
4119                 rte_free(filter);
4120                 return -EEXIST;
4121         }
4122         filter->queue = ntuple_filter->queue;
4123
4124         /*
4125          * look for an unused 5tuple filter index,
4126          * and insert the filter to list.
4127          */
4128         for (i = 0; i < E1000_MAX_FTQF_FILTERS; i++) {
4129                 if (!(filter_info->fivetuple_mask & (1 << i))) {
4130                         filter_info->fivetuple_mask |= 1 << i;
4131                         filter->index = i;
4132                         TAILQ_INSERT_TAIL(&filter_info->fivetuple_list,
4133                                           filter,
4134                                           entries);
4135                         break;
4136                 }
4137         }
4138         if (i >= E1000_MAX_FTQF_FILTERS) {
4139                 PMD_DRV_LOG(ERR, "5tuple filters are full.");
4140                 rte_free(filter);
4141                 return -ENOSYS;
4142         }
4143
4144         ftqf |= filter->filter_info.proto & E1000_FTQF_PROTOCOL_MASK;
4145         if (filter->filter_info.src_ip_mask == 0) /* 0b means compare. */
4146                 ftqf &= ~E1000_FTQF_MASK_SOURCE_ADDR_BP;
4147         if (filter->filter_info.dst_ip_mask == 0)
4148                 ftqf &= ~E1000_FTQF_MASK_DEST_ADDR_BP;
4149         if (filter->filter_info.src_port_mask == 0)
4150                 ftqf &= ~E1000_FTQF_MASK_SOURCE_PORT_BP;
4151         if (filter->filter_info.proto_mask == 0)
4152                 ftqf &= ~E1000_FTQF_MASK_PROTO_BP;
4153         ftqf |= (filter->queue << E1000_FTQF_QUEUE_SHIFT) &
4154                 E1000_FTQF_QUEUE_MASK;
4155         ftqf |= E1000_FTQF_QUEUE_ENABLE;
4156         E1000_WRITE_REG(hw, E1000_FTQF(i), ftqf);
4157         E1000_WRITE_REG(hw, E1000_DAQF(i), filter->filter_info.dst_ip);
4158         E1000_WRITE_REG(hw, E1000_SAQF(i), filter->filter_info.src_ip);
4159
4160         spqf = filter->filter_info.src_port & E1000_SPQF_SRCPORT;
4161         E1000_WRITE_REG(hw, E1000_SPQF(i), spqf);
4162
4163         imir = (uint32_t)(filter->filter_info.dst_port & E1000_IMIR_DSTPORT);
4164         if (filter->filter_info.dst_port_mask == 1) /* 1b means not compare. */
4165                 imir |= E1000_IMIR_PORT_BP;
4166         else
4167                 imir &= ~E1000_IMIR_PORT_BP;
4168         imir |= filter->filter_info.priority << E1000_IMIR_PRIORITY_SHIFT;
4169
4170         /* tcp flags bits setting. */
4171         if (filter->filter_info.tcp_flags & TCP_FLAG_ALL) {
4172                 if (filter->filter_info.tcp_flags & TCP_URG_FLAG)
4173                         imir_ext |= E1000_IMIREXT_CTRL_URG;
4174                 if (filter->filter_info.tcp_flags & TCP_ACK_FLAG)
4175                         imir_ext |= E1000_IMIREXT_CTRL_ACK;
4176                 if (filter->filter_info.tcp_flags & TCP_PSH_FLAG)
4177                         imir_ext |= E1000_IMIREXT_CTRL_PSH;
4178                 if (filter->filter_info.tcp_flags & TCP_RST_FLAG)
4179                         imir_ext |= E1000_IMIREXT_CTRL_RST;
4180                 if (filter->filter_info.tcp_flags & TCP_SYN_FLAG)
4181                         imir_ext |= E1000_IMIREXT_CTRL_SYN;
4182                 if (filter->filter_info.tcp_flags & TCP_FIN_FLAG)
4183                         imir_ext |= E1000_IMIREXT_CTRL_FIN;
4184         } else
4185                 imir_ext |= E1000_IMIREXT_CTRL_BP;
4186         E1000_WRITE_REG(hw, E1000_IMIR(i), imir);
4187         E1000_WRITE_REG(hw, E1000_IMIREXT(i), imir_ext);
4188         return 0;
4189 }
4190
4191 /*
4192  * igb_remove_5tuple_filter_82576 - remove a 5tuple filter
4193  *
4194  * @param
4195  * dev: Pointer to struct rte_eth_dev.
4196  * ntuple_filter: ponter to the filter that will be removed.
4197  *
4198  * @return
4199  *    - On success, zero.
4200  *    - On failure, a negative value.
4201  */
4202 static int
4203 igb_remove_5tuple_filter_82576(struct rte_eth_dev *dev,
4204                                 struct rte_eth_ntuple_filter *ntuple_filter)
4205 {
4206         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4207         struct e1000_filter_info *filter_info =
4208                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4209         struct e1000_5tuple_filter_info filter_5tuple;
4210         struct e1000_5tuple_filter *filter;
4211         int ret;
4212
4213         memset(&filter_5tuple, 0, sizeof(struct e1000_5tuple_filter_info));
4214         ret = ntuple_filter_to_5tuple_82576(ntuple_filter,
4215                                             &filter_5tuple);
4216         if (ret < 0)
4217                 return ret;
4218
4219         filter = igb_5tuple_filter_lookup_82576(&filter_info->fivetuple_list,
4220                                          &filter_5tuple);
4221         if (filter == NULL) {
4222                 PMD_DRV_LOG(ERR, "filter doesn't exist.");
4223                 return -ENOENT;
4224         }
4225
4226         filter_info->fivetuple_mask &= ~(1 << filter->index);
4227         TAILQ_REMOVE(&filter_info->fivetuple_list, filter, entries);
4228         rte_free(filter);
4229
4230         E1000_WRITE_REG(hw, E1000_FTQF(filter->index),
4231                         E1000_FTQF_VF_BP | E1000_FTQF_MASK);
4232         E1000_WRITE_REG(hw, E1000_DAQF(filter->index), 0);
4233         E1000_WRITE_REG(hw, E1000_SAQF(filter->index), 0);
4234         E1000_WRITE_REG(hw, E1000_SPQF(filter->index), 0);
4235         E1000_WRITE_REG(hw, E1000_IMIR(filter->index), 0);
4236         E1000_WRITE_REG(hw, E1000_IMIREXT(filter->index), 0);
4237         return 0;
4238 }
4239
4240 static int
4241 eth_igb_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
4242 {
4243         uint32_t rctl;
4244         struct e1000_hw *hw;
4245         struct rte_eth_dev_info dev_info;
4246         uint32_t frame_size = mtu + (ETHER_HDR_LEN + ETHER_CRC_LEN +
4247                                      VLAN_TAG_SIZE);
4248
4249         hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4250
4251 #ifdef RTE_LIBRTE_82571_SUPPORT
4252         /* XXX: not bigger than max_rx_pktlen */
4253         if (hw->mac.type == e1000_82571)
4254                 return -ENOTSUP;
4255 #endif
4256         eth_igb_infos_get(dev, &dev_info);
4257
4258         /* check that mtu is within the allowed range */
4259         if ((mtu < ETHER_MIN_MTU) ||
4260             (frame_size > dev_info.max_rx_pktlen))
4261                 return -EINVAL;
4262
4263         /* refuse mtu that requires the support of scattered packets when this
4264          * feature has not been enabled before. */
4265         if (!dev->data->scattered_rx &&
4266             frame_size > dev->data->min_rx_buf_size - RTE_PKTMBUF_HEADROOM)
4267                 return -EINVAL;
4268
4269         rctl = E1000_READ_REG(hw, E1000_RCTL);
4270
4271         /* switch to jumbo mode if needed */
4272         if (frame_size > ETHER_MAX_LEN) {
4273                 dev->data->dev_conf.rxmode.jumbo_frame = 1;
4274                 rctl |= E1000_RCTL_LPE;
4275         } else {
4276                 dev->data->dev_conf.rxmode.jumbo_frame = 0;
4277                 rctl &= ~E1000_RCTL_LPE;
4278         }
4279         E1000_WRITE_REG(hw, E1000_RCTL, rctl);
4280
4281         /* update max frame size */
4282         dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size;
4283
4284         E1000_WRITE_REG(hw, E1000_RLPML,
4285                         dev->data->dev_conf.rxmode.max_rx_pkt_len);
4286
4287         return 0;
4288 }
4289
4290 /*
4291  * igb_add_del_ntuple_filter - add or delete a ntuple filter
4292  *
4293  * @param
4294  * dev: Pointer to struct rte_eth_dev.
4295  * ntuple_filter: Pointer to struct rte_eth_ntuple_filter
4296  * add: if true, add filter, if false, remove filter
4297  *
4298  * @return
4299  *    - On success, zero.
4300  *    - On failure, a negative value.
4301  */
4302 static int
4303 igb_add_del_ntuple_filter(struct rte_eth_dev *dev,
4304                         struct rte_eth_ntuple_filter *ntuple_filter,
4305                         bool add)
4306 {
4307         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4308         int ret;
4309
4310         switch (ntuple_filter->flags) {
4311         case RTE_5TUPLE_FLAGS:
4312         case (RTE_5TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
4313                 if (hw->mac.type != e1000_82576)
4314                         return -ENOTSUP;
4315                 if (add)
4316                         ret = igb_add_5tuple_filter_82576(dev,
4317                                                           ntuple_filter);
4318                 else
4319                         ret = igb_remove_5tuple_filter_82576(dev,
4320                                                              ntuple_filter);
4321                 break;
4322         case RTE_2TUPLE_FLAGS:
4323         case (RTE_2TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
4324                 if (hw->mac.type != e1000_82580 && hw->mac.type != e1000_i350)
4325                         return -ENOTSUP;
4326                 if (add)
4327                         ret = igb_add_2tuple_filter(dev, ntuple_filter);
4328                 else
4329                         ret = igb_remove_2tuple_filter(dev, ntuple_filter);
4330                 break;
4331         default:
4332                 ret = -EINVAL;
4333                 break;
4334         }
4335
4336         return ret;
4337 }
4338
4339 /*
4340  * igb_get_ntuple_filter - get a ntuple filter
4341  *
4342  * @param
4343  * dev: Pointer to struct rte_eth_dev.
4344  * ntuple_filter: Pointer to struct rte_eth_ntuple_filter
4345  *
4346  * @return
4347  *    - On success, zero.
4348  *    - On failure, a negative value.
4349  */
4350 static int
4351 igb_get_ntuple_filter(struct rte_eth_dev *dev,
4352                         struct rte_eth_ntuple_filter *ntuple_filter)
4353 {
4354         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4355         struct e1000_filter_info *filter_info =
4356                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4357         struct e1000_5tuple_filter_info filter_5tuple;
4358         struct e1000_2tuple_filter_info filter_2tuple;
4359         struct e1000_5tuple_filter *p_5tuple_filter;
4360         struct e1000_2tuple_filter *p_2tuple_filter;
4361         int ret;
4362
4363         switch (ntuple_filter->flags) {
4364         case RTE_5TUPLE_FLAGS:
4365         case (RTE_5TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
4366                 if (hw->mac.type != e1000_82576)
4367                         return -ENOTSUP;
4368                 memset(&filter_5tuple,
4369                         0,
4370                         sizeof(struct e1000_5tuple_filter_info));
4371                 ret = ntuple_filter_to_5tuple_82576(ntuple_filter,
4372                                                     &filter_5tuple);
4373                 if (ret < 0)
4374                         return ret;
4375                 p_5tuple_filter = igb_5tuple_filter_lookup_82576(
4376                                         &filter_info->fivetuple_list,
4377                                         &filter_5tuple);
4378                 if (p_5tuple_filter == NULL) {
4379                         PMD_DRV_LOG(ERR, "filter doesn't exist.");
4380                         return -ENOENT;
4381                 }
4382                 ntuple_filter->queue = p_5tuple_filter->queue;
4383                 break;
4384         case RTE_2TUPLE_FLAGS:
4385         case (RTE_2TUPLE_FLAGS | RTE_NTUPLE_FLAGS_TCP_FLAG):
4386                 if (hw->mac.type != e1000_82580 && hw->mac.type != e1000_i350)
4387                         return -ENOTSUP;
4388                 memset(&filter_2tuple,
4389                         0,
4390                         sizeof(struct e1000_2tuple_filter_info));
4391                 ret = ntuple_filter_to_2tuple(ntuple_filter, &filter_2tuple);
4392                 if (ret < 0)
4393                         return ret;
4394                 p_2tuple_filter = igb_2tuple_filter_lookup(
4395                                         &filter_info->twotuple_list,
4396                                         &filter_2tuple);
4397                 if (p_2tuple_filter == NULL) {
4398                         PMD_DRV_LOG(ERR, "filter doesn't exist.");
4399                         return -ENOENT;
4400                 }
4401                 ntuple_filter->queue = p_2tuple_filter->queue;
4402                 break;
4403         default:
4404                 ret = -EINVAL;
4405                 break;
4406         }
4407
4408         return 0;
4409 }
4410
4411 /*
4412  * igb_ntuple_filter_handle - Handle operations for ntuple filter.
4413  * @dev: pointer to rte_eth_dev structure
4414  * @filter_op:operation will be taken.
4415  * @arg: a pointer to specific structure corresponding to the filter_op
4416  */
4417 static int
4418 igb_ntuple_filter_handle(struct rte_eth_dev *dev,
4419                                 enum rte_filter_op filter_op,
4420                                 void *arg)
4421 {
4422         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4423         int ret;
4424
4425         MAC_TYPE_FILTER_SUP(hw->mac.type);
4426
4427         if (filter_op == RTE_ETH_FILTER_NOP)
4428                 return 0;
4429
4430         if (arg == NULL) {
4431                 PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u.",
4432                             filter_op);
4433                 return -EINVAL;
4434         }
4435
4436         switch (filter_op) {
4437         case RTE_ETH_FILTER_ADD:
4438                 ret = igb_add_del_ntuple_filter(dev,
4439                         (struct rte_eth_ntuple_filter *)arg,
4440                         TRUE);
4441                 break;
4442         case RTE_ETH_FILTER_DELETE:
4443                 ret = igb_add_del_ntuple_filter(dev,
4444                         (struct rte_eth_ntuple_filter *)arg,
4445                         FALSE);
4446                 break;
4447         case RTE_ETH_FILTER_GET:
4448                 ret = igb_get_ntuple_filter(dev,
4449                         (struct rte_eth_ntuple_filter *)arg);
4450                 break;
4451         default:
4452                 PMD_DRV_LOG(ERR, "unsupported operation %u.", filter_op);
4453                 ret = -EINVAL;
4454                 break;
4455         }
4456         return ret;
4457 }
4458
4459 static inline int
4460 igb_ethertype_filter_lookup(struct e1000_filter_info *filter_info,
4461                         uint16_t ethertype)
4462 {
4463         int i;
4464
4465         for (i = 0; i < E1000_MAX_ETQF_FILTERS; i++) {
4466                 if (filter_info->ethertype_filters[i] == ethertype &&
4467                     (filter_info->ethertype_mask & (1 << i)))
4468                         return i;
4469         }
4470         return -1;
4471 }
4472
4473 static inline int
4474 igb_ethertype_filter_insert(struct e1000_filter_info *filter_info,
4475                         uint16_t ethertype)
4476 {
4477         int i;
4478
4479         for (i = 0; i < E1000_MAX_ETQF_FILTERS; i++) {
4480                 if (!(filter_info->ethertype_mask & (1 << i))) {
4481                         filter_info->ethertype_mask |= 1 << i;
4482                         filter_info->ethertype_filters[i] = ethertype;
4483                         return i;
4484                 }
4485         }
4486         return -1;
4487 }
4488
4489 static inline int
4490 igb_ethertype_filter_remove(struct e1000_filter_info *filter_info,
4491                         uint8_t idx)
4492 {
4493         if (idx >= E1000_MAX_ETQF_FILTERS)
4494                 return -1;
4495         filter_info->ethertype_mask &= ~(1 << idx);
4496         filter_info->ethertype_filters[idx] = 0;
4497         return idx;
4498 }
4499
4500
4501 static int
4502 igb_add_del_ethertype_filter(struct rte_eth_dev *dev,
4503                         struct rte_eth_ethertype_filter *filter,
4504                         bool add)
4505 {
4506         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4507         struct e1000_filter_info *filter_info =
4508                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4509         uint32_t etqf = 0;
4510         int ret;
4511
4512         if (filter->ether_type == ETHER_TYPE_IPv4 ||
4513                 filter->ether_type == ETHER_TYPE_IPv6) {
4514                 PMD_DRV_LOG(ERR, "unsupported ether_type(0x%04x) in"
4515                         " ethertype filter.", filter->ether_type);
4516                 return -EINVAL;
4517         }
4518
4519         if (filter->flags & RTE_ETHTYPE_FLAGS_MAC) {
4520                 PMD_DRV_LOG(ERR, "mac compare is unsupported.");
4521                 return -EINVAL;
4522         }
4523         if (filter->flags & RTE_ETHTYPE_FLAGS_DROP) {
4524                 PMD_DRV_LOG(ERR, "drop option is unsupported.");
4525                 return -EINVAL;
4526         }
4527
4528         ret = igb_ethertype_filter_lookup(filter_info, filter->ether_type);
4529         if (ret >= 0 && add) {
4530                 PMD_DRV_LOG(ERR, "ethertype (0x%04x) filter exists.",
4531                             filter->ether_type);
4532                 return -EEXIST;
4533         }
4534         if (ret < 0 && !add) {
4535                 PMD_DRV_LOG(ERR, "ethertype (0x%04x) filter doesn't exist.",
4536                             filter->ether_type);
4537                 return -ENOENT;
4538         }
4539
4540         if (add) {
4541                 ret = igb_ethertype_filter_insert(filter_info,
4542                         filter->ether_type);
4543                 if (ret < 0) {
4544                         PMD_DRV_LOG(ERR, "ethertype filters are full.");
4545                         return -ENOSYS;
4546                 }
4547
4548                 etqf |= E1000_ETQF_FILTER_ENABLE | E1000_ETQF_QUEUE_ENABLE;
4549                 etqf |= (uint32_t)(filter->ether_type & E1000_ETQF_ETHERTYPE);
4550                 etqf |= filter->queue << E1000_ETQF_QUEUE_SHIFT;
4551         } else {
4552                 ret = igb_ethertype_filter_remove(filter_info, (uint8_t)ret);
4553                 if (ret < 0)
4554                         return -ENOSYS;
4555         }
4556         E1000_WRITE_REG(hw, E1000_ETQF(ret), etqf);
4557         E1000_WRITE_FLUSH(hw);
4558
4559         return 0;
4560 }
4561
4562 static int
4563 igb_get_ethertype_filter(struct rte_eth_dev *dev,
4564                         struct rte_eth_ethertype_filter *filter)
4565 {
4566         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4567         struct e1000_filter_info *filter_info =
4568                 E1000_DEV_PRIVATE_TO_FILTER_INFO(dev->data->dev_private);
4569         uint32_t etqf;
4570         int ret;
4571
4572         ret = igb_ethertype_filter_lookup(filter_info, filter->ether_type);
4573         if (ret < 0) {
4574                 PMD_DRV_LOG(ERR, "ethertype (0x%04x) filter doesn't exist.",
4575                             filter->ether_type);
4576                 return -ENOENT;
4577         }
4578
4579         etqf = E1000_READ_REG(hw, E1000_ETQF(ret));
4580         if (etqf & E1000_ETQF_FILTER_ENABLE) {
4581                 filter->ether_type = etqf & E1000_ETQF_ETHERTYPE;
4582                 filter->flags = 0;
4583                 filter->queue = (etqf & E1000_ETQF_QUEUE) >>
4584                                 E1000_ETQF_QUEUE_SHIFT;
4585                 return 0;
4586         }
4587
4588         return -ENOENT;
4589 }
4590
4591 /*
4592  * igb_ethertype_filter_handle - Handle operations for ethertype filter.
4593  * @dev: pointer to rte_eth_dev structure
4594  * @filter_op:operation will be taken.
4595  * @arg: a pointer to specific structure corresponding to the filter_op
4596  */
4597 static int
4598 igb_ethertype_filter_handle(struct rte_eth_dev *dev,
4599                                 enum rte_filter_op filter_op,
4600                                 void *arg)
4601 {
4602         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4603         int ret;
4604
4605         MAC_TYPE_FILTER_SUP(hw->mac.type);
4606
4607         if (filter_op == RTE_ETH_FILTER_NOP)
4608                 return 0;
4609
4610         if (arg == NULL) {
4611                 PMD_DRV_LOG(ERR, "arg shouldn't be NULL for operation %u.",
4612                             filter_op);
4613                 return -EINVAL;
4614         }
4615
4616         switch (filter_op) {
4617         case RTE_ETH_FILTER_ADD:
4618                 ret = igb_add_del_ethertype_filter(dev,
4619                         (struct rte_eth_ethertype_filter *)arg,
4620                         TRUE);
4621                 break;
4622         case RTE_ETH_FILTER_DELETE:
4623                 ret = igb_add_del_ethertype_filter(dev,
4624                         (struct rte_eth_ethertype_filter *)arg,
4625                         FALSE);
4626                 break;
4627         case RTE_ETH_FILTER_GET:
4628                 ret = igb_get_ethertype_filter(dev,
4629                         (struct rte_eth_ethertype_filter *)arg);
4630                 break;
4631         default:
4632                 PMD_DRV_LOG(ERR, "unsupported operation %u.", filter_op);
4633                 ret = -EINVAL;
4634                 break;
4635         }
4636         return ret;
4637 }
4638
4639 static int
4640 eth_igb_filter_ctrl(struct rte_eth_dev *dev,
4641                      enum rte_filter_type filter_type,
4642                      enum rte_filter_op filter_op,
4643                      void *arg)
4644 {
4645         int ret = -EINVAL;
4646
4647         switch (filter_type) {
4648         case RTE_ETH_FILTER_NTUPLE:
4649                 ret = igb_ntuple_filter_handle(dev, filter_op, arg);
4650                 break;
4651         case RTE_ETH_FILTER_ETHERTYPE:
4652                 ret = igb_ethertype_filter_handle(dev, filter_op, arg);
4653                 break;
4654         case RTE_ETH_FILTER_SYN:
4655                 ret = eth_igb_syn_filter_handle(dev, filter_op, arg);
4656                 break;
4657         case RTE_ETH_FILTER_FLEXIBLE:
4658                 ret = eth_igb_flex_filter_handle(dev, filter_op, arg);
4659                 break;
4660         default:
4661                 PMD_DRV_LOG(WARNING, "Filter type (%d) not supported",
4662                                                         filter_type);
4663                 break;
4664         }
4665
4666         return ret;
4667 }
4668
4669 static int
4670 eth_igb_set_mc_addr_list(struct rte_eth_dev *dev,
4671                          struct ether_addr *mc_addr_set,
4672                          uint32_t nb_mc_addr)
4673 {
4674         struct e1000_hw *hw;
4675
4676         hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4677         e1000_update_mc_addr_list(hw, (u8 *)mc_addr_set, nb_mc_addr);
4678         return 0;
4679 }
4680
4681 static uint64_t
4682 igb_read_systime_cyclecounter(struct rte_eth_dev *dev)
4683 {
4684         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4685         uint64_t systime_cycles;
4686
4687         switch (hw->mac.type) {
4688         case e1000_i210:
4689         case e1000_i211:
4690                 /*
4691                  * Need to read System Time Residue Register to be able
4692                  * to read the other two registers.
4693                  */
4694                 E1000_READ_REG(hw, E1000_SYSTIMR);
4695                 /* SYSTIMEL stores ns and SYSTIMEH stores seconds. */
4696                 systime_cycles = (uint64_t)E1000_READ_REG(hw, E1000_SYSTIML);
4697                 systime_cycles += (uint64_t)E1000_READ_REG(hw, E1000_SYSTIMH)
4698                                 * NSEC_PER_SEC;
4699                 break;
4700         case e1000_82580:
4701         case e1000_i350:
4702         case e1000_i354:
4703                 /*
4704                  * Need to read System Time Residue Register to be able
4705                  * to read the other two registers.
4706                  */
4707                 E1000_READ_REG(hw, E1000_SYSTIMR);
4708                 systime_cycles = (uint64_t)E1000_READ_REG(hw, E1000_SYSTIML);
4709                 /* Only the 8 LSB are valid. */
4710                 systime_cycles |= (uint64_t)(E1000_READ_REG(hw, E1000_SYSTIMH)
4711                                 & 0xff) << 32;
4712                 break;
4713         default:
4714                 systime_cycles = (uint64_t)E1000_READ_REG(hw, E1000_SYSTIML);
4715                 systime_cycles |= (uint64_t)E1000_READ_REG(hw, E1000_SYSTIMH)
4716                                 << 32;
4717                 break;
4718         }
4719
4720         return systime_cycles;
4721 }
4722
4723 static uint64_t
4724 igb_read_rx_tstamp_cyclecounter(struct rte_eth_dev *dev)
4725 {
4726         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4727         uint64_t rx_tstamp_cycles;
4728
4729         switch (hw->mac.type) {
4730         case e1000_i210:
4731         case e1000_i211:
4732                 /* RXSTMPL stores ns and RXSTMPH stores seconds. */
4733                 rx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPL);
4734                 rx_tstamp_cycles += (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPH)
4735                                 * NSEC_PER_SEC;
4736                 break;
4737         case e1000_82580:
4738         case e1000_i350:
4739         case e1000_i354:
4740                 rx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPL);
4741                 /* Only the 8 LSB are valid. */
4742                 rx_tstamp_cycles |= (uint64_t)(E1000_READ_REG(hw, E1000_RXSTMPH)
4743                                 & 0xff) << 32;
4744                 break;
4745         default:
4746                 rx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPL);
4747                 rx_tstamp_cycles |= (uint64_t)E1000_READ_REG(hw, E1000_RXSTMPH)
4748                                 << 32;
4749                 break;
4750         }
4751
4752         return rx_tstamp_cycles;
4753 }
4754
4755 static uint64_t
4756 igb_read_tx_tstamp_cyclecounter(struct rte_eth_dev *dev)
4757 {
4758         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4759         uint64_t tx_tstamp_cycles;
4760
4761         switch (hw->mac.type) {
4762         case e1000_i210:
4763         case e1000_i211:
4764                 /* RXSTMPL stores ns and RXSTMPH stores seconds. */
4765                 tx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPL);
4766                 tx_tstamp_cycles += (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPH)
4767                                 * NSEC_PER_SEC;
4768                 break;
4769         case e1000_82580:
4770         case e1000_i350:
4771         case e1000_i354:
4772                 tx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPL);
4773                 /* Only the 8 LSB are valid. */
4774                 tx_tstamp_cycles |= (uint64_t)(E1000_READ_REG(hw, E1000_TXSTMPH)
4775                                 & 0xff) << 32;
4776                 break;
4777         default:
4778                 tx_tstamp_cycles = (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPL);
4779                 tx_tstamp_cycles |= (uint64_t)E1000_READ_REG(hw, E1000_TXSTMPH)
4780                                 << 32;
4781                 break;
4782         }
4783
4784         return tx_tstamp_cycles;
4785 }
4786
4787 static void
4788 igb_start_timecounters(struct rte_eth_dev *dev)
4789 {
4790         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4791         struct e1000_adapter *adapter =
4792                 (struct e1000_adapter *)dev->data->dev_private;
4793         uint32_t incval = 1;
4794         uint32_t shift = 0;
4795         uint64_t mask = E1000_CYCLECOUNTER_MASK;
4796
4797         switch (hw->mac.type) {
4798         case e1000_82580:
4799         case e1000_i350:
4800         case e1000_i354:
4801                 /* 32 LSB bits + 8 MSB bits = 40 bits */
4802                 mask = (1ULL << 40) - 1;
4803                 /* fall-through */
4804         case e1000_i210:
4805         case e1000_i211:
4806                 /*
4807                  * Start incrementing the register
4808                  * used to timestamp PTP packets.
4809                  */
4810                 E1000_WRITE_REG(hw, E1000_TIMINCA, incval);
4811                 break;
4812         case e1000_82576:
4813                 incval = E1000_INCVALUE_82576;
4814                 shift = IGB_82576_TSYNC_SHIFT;
4815                 E1000_WRITE_REG(hw, E1000_TIMINCA,
4816                                 E1000_INCPERIOD_82576 | incval);
4817                 break;
4818         default:
4819                 /* Not supported */
4820                 return;
4821         }
4822
4823         memset(&adapter->systime_tc, 0, sizeof(struct rte_timecounter));
4824         memset(&adapter->rx_tstamp_tc, 0, sizeof(struct rte_timecounter));
4825         memset(&adapter->tx_tstamp_tc, 0, sizeof(struct rte_timecounter));
4826
4827         adapter->systime_tc.cc_mask = mask;
4828         adapter->systime_tc.cc_shift = shift;
4829         adapter->systime_tc.nsec_mask = (1ULL << shift) - 1;
4830
4831         adapter->rx_tstamp_tc.cc_mask = mask;
4832         adapter->rx_tstamp_tc.cc_shift = shift;
4833         adapter->rx_tstamp_tc.nsec_mask = (1ULL << shift) - 1;
4834
4835         adapter->tx_tstamp_tc.cc_mask = mask;
4836         adapter->tx_tstamp_tc.cc_shift = shift;
4837         adapter->tx_tstamp_tc.nsec_mask = (1ULL << shift) - 1;
4838 }
4839
4840 static int
4841 igb_timesync_adjust_time(struct rte_eth_dev *dev, int64_t delta)
4842 {
4843         struct e1000_adapter *adapter =
4844                         (struct e1000_adapter *)dev->data->dev_private;
4845
4846         adapter->systime_tc.nsec += delta;
4847         adapter->rx_tstamp_tc.nsec += delta;
4848         adapter->tx_tstamp_tc.nsec += delta;
4849
4850         return 0;
4851 }
4852
4853 static int
4854 igb_timesync_write_time(struct rte_eth_dev *dev, const struct timespec *ts)
4855 {
4856         uint64_t ns;
4857         struct e1000_adapter *adapter =
4858                         (struct e1000_adapter *)dev->data->dev_private;
4859
4860         ns = rte_timespec_to_ns(ts);
4861
4862         /* Set the timecounters to a new value. */
4863         adapter->systime_tc.nsec = ns;
4864         adapter->rx_tstamp_tc.nsec = ns;
4865         adapter->tx_tstamp_tc.nsec = ns;
4866
4867         return 0;
4868 }
4869
4870 static int
4871 igb_timesync_read_time(struct rte_eth_dev *dev, struct timespec *ts)
4872 {
4873         uint64_t ns, systime_cycles;
4874         struct e1000_adapter *adapter =
4875                         (struct e1000_adapter *)dev->data->dev_private;
4876
4877         systime_cycles = igb_read_systime_cyclecounter(dev);
4878         ns = rte_timecounter_update(&adapter->systime_tc, systime_cycles);
4879         *ts = rte_ns_to_timespec(ns);
4880
4881         return 0;
4882 }
4883
4884 static int
4885 igb_timesync_enable(struct rte_eth_dev *dev)
4886 {
4887         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4888         uint32_t tsync_ctl;
4889         uint32_t tsauxc;
4890
4891         /* Stop the timesync system time. */
4892         E1000_WRITE_REG(hw, E1000_TIMINCA, 0x0);
4893         /* Reset the timesync system time value. */
4894         switch (hw->mac.type) {
4895         case e1000_82580:
4896         case e1000_i350:
4897         case e1000_i354:
4898         case e1000_i210:
4899         case e1000_i211:
4900                 E1000_WRITE_REG(hw, E1000_SYSTIMR, 0x0);
4901                 /* fall-through */
4902         case e1000_82576:
4903                 E1000_WRITE_REG(hw, E1000_SYSTIML, 0x0);
4904                 E1000_WRITE_REG(hw, E1000_SYSTIMH, 0x0);
4905                 break;
4906         default:
4907                 /* Not supported. */
4908                 return -ENOTSUP;
4909         }
4910
4911         /* Enable system time for it isn't on by default. */
4912         tsauxc = E1000_READ_REG(hw, E1000_TSAUXC);
4913         tsauxc &= ~E1000_TSAUXC_DISABLE_SYSTIME;
4914         E1000_WRITE_REG(hw, E1000_TSAUXC, tsauxc);
4915
4916         igb_start_timecounters(dev);
4917
4918         /* Enable L2 filtering of IEEE1588/802.1AS Ethernet frame types. */
4919         E1000_WRITE_REG(hw, E1000_ETQF(E1000_ETQF_FILTER_1588),
4920                         (ETHER_TYPE_1588 |
4921                          E1000_ETQF_FILTER_ENABLE |
4922                          E1000_ETQF_1588));
4923
4924         /* Enable timestamping of received PTP packets. */
4925         tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCRXCTL);
4926         tsync_ctl |= E1000_TSYNCRXCTL_ENABLED;
4927         E1000_WRITE_REG(hw, E1000_TSYNCRXCTL, tsync_ctl);
4928
4929         /* Enable Timestamping of transmitted PTP packets. */
4930         tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCTXCTL);
4931         tsync_ctl |= E1000_TSYNCTXCTL_ENABLED;
4932         E1000_WRITE_REG(hw, E1000_TSYNCTXCTL, tsync_ctl);
4933
4934         return 0;
4935 }
4936
4937 static int
4938 igb_timesync_disable(struct rte_eth_dev *dev)
4939 {
4940         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4941         uint32_t tsync_ctl;
4942
4943         /* Disable timestamping of transmitted PTP packets. */
4944         tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCTXCTL);
4945         tsync_ctl &= ~E1000_TSYNCTXCTL_ENABLED;
4946         E1000_WRITE_REG(hw, E1000_TSYNCTXCTL, tsync_ctl);
4947
4948         /* Disable timestamping of received PTP packets. */
4949         tsync_ctl = E1000_READ_REG(hw, E1000_TSYNCRXCTL);
4950         tsync_ctl &= ~E1000_TSYNCRXCTL_ENABLED;
4951         E1000_WRITE_REG(hw, E1000_TSYNCRXCTL, tsync_ctl);
4952
4953         /* Disable L2 filtering of IEEE1588/802.1AS Ethernet frame types. */
4954         E1000_WRITE_REG(hw, E1000_ETQF(E1000_ETQF_FILTER_1588), 0);
4955
4956         /* Stop incrementating the System Time registers. */
4957         E1000_WRITE_REG(hw, E1000_TIMINCA, 0);
4958
4959         return 0;
4960 }
4961
4962 static int
4963 igb_timesync_read_rx_timestamp(struct rte_eth_dev *dev,
4964                                struct timespec *timestamp,
4965                                uint32_t flags __rte_unused)
4966 {
4967         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4968         struct e1000_adapter *adapter =
4969                         (struct e1000_adapter *)dev->data->dev_private;
4970         uint32_t tsync_rxctl;
4971         uint64_t rx_tstamp_cycles;
4972         uint64_t ns;
4973
4974         tsync_rxctl = E1000_READ_REG(hw, E1000_TSYNCRXCTL);
4975         if ((tsync_rxctl & E1000_TSYNCRXCTL_VALID) == 0)
4976                 return -EINVAL;
4977
4978         rx_tstamp_cycles = igb_read_rx_tstamp_cyclecounter(dev);
4979         ns = rte_timecounter_update(&adapter->rx_tstamp_tc, rx_tstamp_cycles);
4980         *timestamp = rte_ns_to_timespec(ns);
4981
4982         return  0;
4983 }
4984
4985 static int
4986 igb_timesync_read_tx_timestamp(struct rte_eth_dev *dev,
4987                                struct timespec *timestamp)
4988 {
4989         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
4990         struct e1000_adapter *adapter =
4991                         (struct e1000_adapter *)dev->data->dev_private;
4992         uint32_t tsync_txctl;
4993         uint64_t tx_tstamp_cycles;
4994         uint64_t ns;
4995
4996         tsync_txctl = E1000_READ_REG(hw, E1000_TSYNCTXCTL);
4997         if ((tsync_txctl & E1000_TSYNCTXCTL_VALID) == 0)
4998                 return -EINVAL;
4999
5000         tx_tstamp_cycles = igb_read_tx_tstamp_cyclecounter(dev);
5001         ns = rte_timecounter_update(&adapter->tx_tstamp_tc, tx_tstamp_cycles);
5002         *timestamp = rte_ns_to_timespec(ns);
5003
5004         return  0;
5005 }
5006
5007 static int
5008 eth_igb_get_reg_length(struct rte_eth_dev *dev __rte_unused)
5009 {
5010         int count = 0;
5011         int g_ind = 0;
5012         const struct reg_info *reg_group;
5013
5014         while ((reg_group = igb_regs[g_ind++]))
5015                 count += igb_reg_group_count(reg_group);
5016
5017         return count;
5018 }
5019
5020 static int
5021 igbvf_get_reg_length(struct rte_eth_dev *dev __rte_unused)
5022 {
5023         int count = 0;
5024         int g_ind = 0;
5025         const struct reg_info *reg_group;
5026
5027         while ((reg_group = igbvf_regs[g_ind++]))
5028                 count += igb_reg_group_count(reg_group);
5029
5030         return count;
5031 }
5032
5033 static int
5034 eth_igb_get_regs(struct rte_eth_dev *dev,
5035         struct rte_dev_reg_info *regs)
5036 {
5037         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5038         uint32_t *data = regs->data;
5039         int g_ind = 0;
5040         int count = 0;
5041         const struct reg_info *reg_group;
5042
5043         if (data == NULL) {
5044                 regs->length = eth_igb_get_reg_length(dev);
5045                 regs->width = sizeof(uint32_t);
5046                 return 0;
5047         }
5048
5049         /* Support only full register dump */
5050         if ((regs->length == 0) ||
5051             (regs->length == (uint32_t)eth_igb_get_reg_length(dev))) {
5052                 regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
5053                         hw->device_id;
5054                 while ((reg_group = igb_regs[g_ind++]))
5055                         count += igb_read_regs_group(dev, &data[count],
5056                                                         reg_group);
5057                 return 0;
5058         }
5059
5060         return -ENOTSUP;
5061 }
5062
5063 static int
5064 igbvf_get_regs(struct rte_eth_dev *dev,
5065         struct rte_dev_reg_info *regs)
5066 {
5067         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5068         uint32_t *data = regs->data;
5069         int g_ind = 0;
5070         int count = 0;
5071         const struct reg_info *reg_group;
5072
5073         if (data == NULL) {
5074                 regs->length = igbvf_get_reg_length(dev);
5075                 regs->width = sizeof(uint32_t);
5076                 return 0;
5077         }
5078
5079         /* Support only full register dump */
5080         if ((regs->length == 0) ||
5081             (regs->length == (uint32_t)igbvf_get_reg_length(dev))) {
5082                 regs->version = hw->mac.type << 24 | hw->revision_id << 16 |
5083                         hw->device_id;
5084                 while ((reg_group = igbvf_regs[g_ind++]))
5085                         count += igb_read_regs_group(dev, &data[count],
5086                                                         reg_group);
5087                 return 0;
5088         }
5089
5090         return -ENOTSUP;
5091 }
5092
5093 static int
5094 eth_igb_get_eeprom_length(struct rte_eth_dev *dev)
5095 {
5096         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5097
5098         /* Return unit is byte count */
5099         return hw->nvm.word_size * 2;
5100 }
5101
5102 static int
5103 eth_igb_get_eeprom(struct rte_eth_dev *dev,
5104         struct rte_dev_eeprom_info *in_eeprom)
5105 {
5106         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5107         struct e1000_nvm_info *nvm = &hw->nvm;
5108         uint16_t *data = in_eeprom->data;
5109         int first, length;
5110
5111         first = in_eeprom->offset >> 1;
5112         length = in_eeprom->length >> 1;
5113         if ((first >= hw->nvm.word_size) ||
5114             ((first + length) >= hw->nvm.word_size))
5115                 return -EINVAL;
5116
5117         in_eeprom->magic = hw->vendor_id |
5118                 ((uint32_t)hw->device_id << 16);
5119
5120         if ((nvm->ops.read) == NULL)
5121                 return -ENOTSUP;
5122
5123         return nvm->ops.read(hw, first, length, data);
5124 }
5125
5126 static int
5127 eth_igb_set_eeprom(struct rte_eth_dev *dev,
5128         struct rte_dev_eeprom_info *in_eeprom)
5129 {
5130         struct e1000_hw *hw = E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5131         struct e1000_nvm_info *nvm = &hw->nvm;
5132         uint16_t *data = in_eeprom->data;
5133         int first, length;
5134
5135         first = in_eeprom->offset >> 1;
5136         length = in_eeprom->length >> 1;
5137         if ((first >= hw->nvm.word_size) ||
5138             ((first + length) >= hw->nvm.word_size))
5139                 return -EINVAL;
5140
5141         in_eeprom->magic = (uint32_t)hw->vendor_id |
5142                 ((uint32_t)hw->device_id << 16);
5143
5144         if ((nvm->ops.write) == NULL)
5145                 return -ENOTSUP;
5146         return nvm->ops.write(hw,  first, length, data);
5147 }
5148
5149 static int
5150 eth_igb_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id)
5151 {
5152         struct e1000_hw *hw =
5153                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5154         uint32_t mask = 1 << queue_id;
5155
5156         E1000_WRITE_REG(hw, E1000_EIMC, mask);
5157         E1000_WRITE_FLUSH(hw);
5158
5159         return 0;
5160 }
5161
5162 static int
5163 eth_igb_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id)
5164 {
5165         struct e1000_hw *hw =
5166                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5167         struct rte_pci_device *pci_dev = E1000_DEV_TO_PCI(dev);
5168         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
5169         uint32_t mask = 1 << queue_id;
5170         uint32_t regval;
5171
5172         regval = E1000_READ_REG(hw, E1000_EIMS);
5173         E1000_WRITE_REG(hw, E1000_EIMS, regval | mask);
5174         E1000_WRITE_FLUSH(hw);
5175
5176         rte_intr_enable(intr_handle);
5177
5178         return 0;
5179 }
5180
5181 static void
5182 eth_igb_write_ivar(struct e1000_hw *hw, uint8_t  msix_vector,
5183                    uint8_t index, uint8_t offset)
5184 {
5185         uint32_t val = E1000_READ_REG_ARRAY(hw, E1000_IVAR0, index);
5186
5187         /* clear bits */
5188         val &= ~((uint32_t)0xFF << offset);
5189
5190         /* write vector and valid bit */
5191         val |= (msix_vector | E1000_IVAR_VALID) << offset;
5192
5193         E1000_WRITE_REG_ARRAY(hw, E1000_IVAR0, index, val);
5194 }
5195
5196 static void
5197 eth_igb_assign_msix_vector(struct e1000_hw *hw, int8_t direction,
5198                            uint8_t queue, uint8_t msix_vector)
5199 {
5200         uint32_t tmp = 0;
5201
5202         if (hw->mac.type == e1000_82575) {
5203                 if (direction == 0)
5204                         tmp = E1000_EICR_RX_QUEUE0 << queue;
5205                 else if (direction == 1)
5206                         tmp = E1000_EICR_TX_QUEUE0 << queue;
5207                 E1000_WRITE_REG(hw, E1000_MSIXBM(msix_vector), tmp);
5208         } else if (hw->mac.type == e1000_82576) {
5209                 if ((direction == 0) || (direction == 1))
5210                         eth_igb_write_ivar(hw, msix_vector, queue & 0x7,
5211                                            ((queue & 0x8) << 1) +
5212                                            8 * direction);
5213         } else if ((hw->mac.type == e1000_82580) ||
5214                         (hw->mac.type == e1000_i350) ||
5215                         (hw->mac.type == e1000_i354) ||
5216                         (hw->mac.type == e1000_i210) ||
5217                         (hw->mac.type == e1000_i211)) {
5218                 if ((direction == 0) || (direction == 1))
5219                         eth_igb_write_ivar(hw, msix_vector,
5220                                            queue >> 1,
5221                                            ((queue & 0x1) << 4) +
5222                                            8 * direction);
5223         }
5224 }
5225
5226 /* Sets up the hardware to generate MSI-X interrupts properly
5227  * @hw
5228  *  board private structure
5229  */
5230 static void
5231 eth_igb_configure_msix_intr(struct rte_eth_dev *dev)
5232 {
5233         int queue_id;
5234         uint32_t tmpval, regval, intr_mask;
5235         struct e1000_hw *hw =
5236                 E1000_DEV_PRIVATE_TO_HW(dev->data->dev_private);
5237         uint32_t vec = E1000_MISC_VEC_ID;
5238         uint32_t base = E1000_MISC_VEC_ID;
5239         uint32_t misc_shift = 0;
5240         struct rte_pci_device *pci_dev = E1000_DEV_TO_PCI(dev);
5241         struct rte_intr_handle *intr_handle = &pci_dev->intr_handle;
5242
5243         /* won't configure msix register if no mapping is done
5244          * between intr vector and event fd
5245          */
5246         if (!rte_intr_dp_is_en(intr_handle))
5247                 return;
5248
5249         if (rte_intr_allow_others(intr_handle)) {
5250                 vec = base = E1000_RX_VEC_START;
5251                 misc_shift = 1;
5252         }
5253
5254         /* set interrupt vector for other causes */
5255         if (hw->mac.type == e1000_82575) {
5256                 tmpval = E1000_READ_REG(hw, E1000_CTRL_EXT);
5257                 /* enable MSI-X PBA support */
5258                 tmpval |= E1000_CTRL_EXT_PBA_CLR;
5259
5260                 /* Auto-Mask interrupts upon ICR read */
5261                 tmpval |= E1000_CTRL_EXT_EIAME;
5262                 tmpval |= E1000_CTRL_EXT_IRCA;
5263
5264                 E1000_WRITE_REG(hw, E1000_CTRL_EXT, tmpval);
5265
5266                 /* enable msix_other interrupt */
5267                 E1000_WRITE_REG_ARRAY(hw, E1000_MSIXBM(0), 0, E1000_EIMS_OTHER);
5268                 regval = E1000_READ_REG(hw, E1000_EIAC);
5269                 E1000_WRITE_REG(hw, E1000_EIAC, regval | E1000_EIMS_OTHER);
5270                 regval = E1000_READ_REG(hw, E1000_EIAM);
5271                 E1000_WRITE_REG(hw, E1000_EIMS, regval | E1000_EIMS_OTHER);
5272         } else if ((hw->mac.type == e1000_82576) ||
5273                         (hw->mac.type == e1000_82580) ||
5274                         (hw->mac.type == e1000_i350) ||
5275                         (hw->mac.type == e1000_i354) ||
5276                         (hw->mac.type == e1000_i210) ||
5277                         (hw->mac.type == e1000_i211)) {
5278                 /* turn on MSI-X capability first */
5279                 E1000_WRITE_REG(hw, E1000_GPIE, E1000_GPIE_MSIX_MODE |
5280                                         E1000_GPIE_PBA | E1000_GPIE_EIAME |
5281                                         E1000_GPIE_NSICR);
5282                 intr_mask = RTE_LEN2MASK(intr_handle->nb_efd, uint32_t) <<
5283                         misc_shift;
5284                 regval = E1000_READ_REG(hw, E1000_EIAC);
5285                 E1000_WRITE_REG(hw, E1000_EIAC, regval | intr_mask);
5286
5287                 /* enable msix_other interrupt */
5288                 regval = E1000_READ_REG(hw, E1000_EIMS);
5289                 E1000_WRITE_REG(hw, E1000_EIMS, regval | intr_mask);
5290                 tmpval = (dev->data->nb_rx_queues | E1000_IVAR_VALID) << 8;
5291                 E1000_WRITE_REG(hw, E1000_IVAR_MISC, tmpval);
5292         }
5293
5294         /* use EIAM to auto-mask when MSI-X interrupt
5295          * is asserted, this saves a register write for every interrupt
5296          */
5297         intr_mask = RTE_LEN2MASK(intr_handle->nb_efd, uint32_t) <<
5298                 misc_shift;
5299         regval = E1000_READ_REG(hw, E1000_EIAM);
5300         E1000_WRITE_REG(hw, E1000_EIAM, regval | intr_mask);
5301
5302         for (queue_id = 0; queue_id < dev->data->nb_rx_queues; queue_id++) {
5303                 eth_igb_assign_msix_vector(hw, 0, queue_id, vec);
5304                 intr_handle->intr_vec[queue_id] = vec;
5305                 if (vec < base + intr_handle->nb_efd - 1)
5306                         vec++;
5307         }
5308
5309         E1000_WRITE_FLUSH(hw);
5310 }
5311
5312 RTE_PMD_REGISTER_PCI(net_e1000_igb, rte_igb_pmd.pci_drv);
5313 RTE_PMD_REGISTER_PCI_TABLE(net_e1000_igb, pci_id_igb_map);
5314 RTE_PMD_REGISTER_KMOD_DEP(net_e1000_igb, "* igb_uio | uio_pci_generic | vfio");
5315 RTE_PMD_REGISTER_PCI(net_e1000_igb_vf, rte_igbvf_pmd.pci_drv);
5316 RTE_PMD_REGISTER_PCI_TABLE(net_e1000_igb_vf, pci_id_igbvf_map);
5317 RTE_PMD_REGISTER_KMOD_DEP(net_e1000_igb_vf, "* igb_uio | vfio");