linux/drivers/net/ethernet/intel/i40e/i40e_ethtool.c
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   1/*******************************************************************************
   2 *
   3 * Intel Ethernet Controller XL710 Family Linux Driver
   4 * Copyright(c) 2013 - 2016 Intel Corporation.
   5 *
   6 * This program is free software; you can redistribute it and/or modify it
   7 * under the terms and conditions of the GNU General Public License,
   8 * version 2, as published by the Free Software Foundation.
   9 *
  10 * This program is distributed in the hope it will be useful, but WITHOUT
  11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13 * more details.
  14 *
  15 * You should have received a copy of the GNU General Public License along
  16 * with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 *
  18 * The full GNU General Public License is included in this distribution in
  19 * the file called "COPYING".
  20 *
  21 * Contact Information:
  22 * e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  23 * Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  24 *
  25 ******************************************************************************/
  26
  27/* ethtool support for i40e */
  28
  29#include "i40e.h"
  30#include "i40e_diag.h"
  31
  32struct i40e_stats {
  33        char stat_string[ETH_GSTRING_LEN];
  34        int sizeof_stat;
  35        int stat_offset;
  36};
  37
  38#define I40E_STAT(_type, _name, _stat) { \
  39        .stat_string = _name, \
  40        .sizeof_stat = FIELD_SIZEOF(_type, _stat), \
  41        .stat_offset = offsetof(_type, _stat) \
  42}
  43
  44#define I40E_NETDEV_STAT(_net_stat) \
  45                I40E_STAT(struct rtnl_link_stats64, #_net_stat, _net_stat)
  46#define I40E_PF_STAT(_name, _stat) \
  47                I40E_STAT(struct i40e_pf, _name, _stat)
  48#define I40E_VSI_STAT(_name, _stat) \
  49                I40E_STAT(struct i40e_vsi, _name, _stat)
  50#define I40E_VEB_STAT(_name, _stat) \
  51                I40E_STAT(struct i40e_veb, _name, _stat)
  52
  53static const struct i40e_stats i40e_gstrings_net_stats[] = {
  54        I40E_NETDEV_STAT(rx_packets),
  55        I40E_NETDEV_STAT(tx_packets),
  56        I40E_NETDEV_STAT(rx_bytes),
  57        I40E_NETDEV_STAT(tx_bytes),
  58        I40E_NETDEV_STAT(rx_errors),
  59        I40E_NETDEV_STAT(tx_errors),
  60        I40E_NETDEV_STAT(rx_dropped),
  61        I40E_NETDEV_STAT(tx_dropped),
  62        I40E_NETDEV_STAT(collisions),
  63        I40E_NETDEV_STAT(rx_length_errors),
  64        I40E_NETDEV_STAT(rx_crc_errors),
  65};
  66
  67static const struct i40e_stats i40e_gstrings_veb_stats[] = {
  68        I40E_VEB_STAT("rx_bytes", stats.rx_bytes),
  69        I40E_VEB_STAT("tx_bytes", stats.tx_bytes),
  70        I40E_VEB_STAT("rx_unicast", stats.rx_unicast),
  71        I40E_VEB_STAT("tx_unicast", stats.tx_unicast),
  72        I40E_VEB_STAT("rx_multicast", stats.rx_multicast),
  73        I40E_VEB_STAT("tx_multicast", stats.tx_multicast),
  74        I40E_VEB_STAT("rx_broadcast", stats.rx_broadcast),
  75        I40E_VEB_STAT("tx_broadcast", stats.tx_broadcast),
  76        I40E_VEB_STAT("rx_discards", stats.rx_discards),
  77        I40E_VEB_STAT("tx_discards", stats.tx_discards),
  78        I40E_VEB_STAT("tx_errors", stats.tx_errors),
  79        I40E_VEB_STAT("rx_unknown_protocol", stats.rx_unknown_protocol),
  80};
  81
  82static const struct i40e_stats i40e_gstrings_misc_stats[] = {
  83        I40E_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
  84        I40E_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
  85        I40E_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
  86        I40E_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
  87        I40E_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
  88        I40E_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
  89        I40E_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
  90        I40E_VSI_STAT("tx_linearize", tx_linearize),
  91        I40E_VSI_STAT("tx_force_wb", tx_force_wb),
  92        I40E_VSI_STAT("tx_lost_interrupt", tx_lost_interrupt),
  93        I40E_VSI_STAT("rx_alloc_fail", rx_buf_failed),
  94        I40E_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
  95};
  96
  97/* These PF_STATs might look like duplicates of some NETDEV_STATs,
  98 * but they are separate.  This device supports Virtualization, and
  99 * as such might have several netdevs supporting VMDq and FCoE going
 100 * through a single port.  The NETDEV_STATs are for individual netdevs
 101 * seen at the top of the stack, and the PF_STATs are for the physical
 102 * function at the bottom of the stack hosting those netdevs.
 103 *
 104 * The PF_STATs are appended to the netdev stats only when ethtool -S
 105 * is queried on the base PF netdev, not on the VMDq or FCoE netdev.
 106 */
 107static const struct i40e_stats i40e_gstrings_stats[] = {
 108        I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
 109        I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
 110        I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast),
 111        I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast),
 112        I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast),
 113        I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast),
 114        I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast),
 115        I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast),
 116        I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
 117        I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
 118        I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
 119        I40E_PF_STAT("rx_crc_errors", stats.crc_errors),
 120        I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
 121        I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
 122        I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
 123        I40E_PF_STAT("tx_timeout", tx_timeout_count),
 124        I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error),
 125        I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
 126        I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
 127        I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
 128        I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
 129        I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
 130        I40E_PF_STAT("rx_size_64", stats.rx_size_64),
 131        I40E_PF_STAT("rx_size_127", stats.rx_size_127),
 132        I40E_PF_STAT("rx_size_255", stats.rx_size_255),
 133        I40E_PF_STAT("rx_size_511", stats.rx_size_511),
 134        I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
 135        I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
 136        I40E_PF_STAT("rx_size_big", stats.rx_size_big),
 137        I40E_PF_STAT("tx_size_64", stats.tx_size_64),
 138        I40E_PF_STAT("tx_size_127", stats.tx_size_127),
 139        I40E_PF_STAT("tx_size_255", stats.tx_size_255),
 140        I40E_PF_STAT("tx_size_511", stats.tx_size_511),
 141        I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
 142        I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
 143        I40E_PF_STAT("tx_size_big", stats.tx_size_big),
 144        I40E_PF_STAT("rx_undersize", stats.rx_undersize),
 145        I40E_PF_STAT("rx_fragments", stats.rx_fragments),
 146        I40E_PF_STAT("rx_oversize", stats.rx_oversize),
 147        I40E_PF_STAT("rx_jabber", stats.rx_jabber),
 148        I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
 149        I40E_PF_STAT("arq_overflows", arq_overflows),
 150        I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
 151        I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt),
 152        I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match),
 153        I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match),
 154        I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status),
 155        I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match),
 156        I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status),
 157
 158        /* LPI stats */
 159        I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
 160        I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
 161        I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
 162        I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
 163};
 164
 165#ifdef I40E_FCOE
 166static const struct i40e_stats i40e_gstrings_fcoe_stats[] = {
 167        I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc),
 168        I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped),
 169        I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets),
 170        I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords),
 171        I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count),
 172        I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error),
 173        I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets),
 174        I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords),
 175};
 176
 177#endif /* I40E_FCOE */
 178#define I40E_QUEUE_STATS_LEN(n) \
 179        (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \
 180            * 2 /* Tx and Rx together */                                     \
 181            * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
 182#define I40E_GLOBAL_STATS_LEN   ARRAY_SIZE(i40e_gstrings_stats)
 183#define I40E_NETDEV_STATS_LEN   ARRAY_SIZE(i40e_gstrings_net_stats)
 184#define I40E_MISC_STATS_LEN     ARRAY_SIZE(i40e_gstrings_misc_stats)
 185#ifdef I40E_FCOE
 186#define I40E_FCOE_STATS_LEN     ARRAY_SIZE(i40e_gstrings_fcoe_stats)
 187#define I40E_VSI_STATS_LEN(n)   (I40E_NETDEV_STATS_LEN + \
 188                                 I40E_FCOE_STATS_LEN + \
 189                                 I40E_MISC_STATS_LEN + \
 190                                 I40E_QUEUE_STATS_LEN((n)))
 191#else
 192#define I40E_VSI_STATS_LEN(n)   (I40E_NETDEV_STATS_LEN + \
 193                                 I40E_MISC_STATS_LEN + \
 194                                 I40E_QUEUE_STATS_LEN((n)))
 195#endif /* I40E_FCOE */
 196#define I40E_PFC_STATS_LEN ( \
 197                (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
 198                 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
 199                 FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
 200                 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
 201                 FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
 202                 / sizeof(u64))
 203#define I40E_VEB_TC_STATS_LEN ( \
 204                (FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \
 205                 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \
 206                 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \
 207                 FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \
 208                 / sizeof(u64))
 209#define I40E_VEB_STATS_LEN      ARRAY_SIZE(i40e_gstrings_veb_stats)
 210#define I40E_VEB_STATS_TOTAL    (I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN)
 211#define I40E_PF_STATS_LEN(n)    (I40E_GLOBAL_STATS_LEN + \
 212                                 I40E_PFC_STATS_LEN + \
 213                                 I40E_VSI_STATS_LEN((n)))
 214
 215enum i40e_ethtool_test_id {
 216        I40E_ETH_TEST_REG = 0,
 217        I40E_ETH_TEST_EEPROM,
 218        I40E_ETH_TEST_INTR,
 219        I40E_ETH_TEST_LINK,
 220};
 221
 222static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
 223        "Register test  (offline)",
 224        "Eeprom test    (offline)",
 225        "Interrupt test (offline)",
 226        "Link test   (on/offline)"
 227};
 228
 229#define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
 230
 231static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = {
 232        "MFP",
 233        "LinkPolling",
 234        "flow-director-atr",
 235        "veb-stats",
 236        "hw-atr-eviction",
 237};
 238
 239#define I40E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_priv_flags_strings)
 240
 241/* Private flags with a global effect, restricted to PF 0 */
 242static const char i40e_gl_priv_flags_strings[][ETH_GSTRING_LEN] = {
 243        "vf-true-promisc-support",
 244};
 245
 246#define I40E_GL_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_gl_priv_flags_strings)
 247
 248/**
 249 * i40e_partition_setting_complaint - generic complaint for MFP restriction
 250 * @pf: the PF struct
 251 **/
 252static void i40e_partition_setting_complaint(struct i40e_pf *pf)
 253{
 254        dev_info(&pf->pdev->dev,
 255                 "The link settings are allowed to be changed only from the first partition of a given port. Please switch to the first partition in order to change the setting.\n");
 256}
 257
 258/**
 259 * i40e_phy_type_to_ethtool - convert the phy_types to ethtool link modes
 260 * @phy_types: PHY types to convert
 261 * @supported: pointer to the ethtool supported variable to fill in
 262 * @advertising: pointer to the ethtool advertising variable to fill in
 263 *
 264 **/
 265static void i40e_phy_type_to_ethtool(struct i40e_pf *pf, u32 *supported,
 266                                     u32 *advertising)
 267{
 268        struct i40e_link_status *hw_link_info = &pf->hw.phy.link_info;
 269        u64 phy_types = pf->hw.phy.phy_types;
 270
 271        *supported = 0x0;
 272        *advertising = 0x0;
 273
 274        if (phy_types & I40E_CAP_PHY_TYPE_SGMII) {
 275                *supported |= SUPPORTED_Autoneg |
 276                              SUPPORTED_1000baseT_Full;
 277                *advertising |= ADVERTISED_Autoneg;
 278                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 279                        *advertising |= ADVERTISED_1000baseT_Full;
 280                if (pf->flags & I40E_FLAG_100M_SGMII_CAPABLE) {
 281                        *supported |= SUPPORTED_100baseT_Full;
 282                        *advertising |= ADVERTISED_100baseT_Full;
 283                }
 284        }
 285        if (phy_types & I40E_CAP_PHY_TYPE_XAUI ||
 286            phy_types & I40E_CAP_PHY_TYPE_XFI ||
 287            phy_types & I40E_CAP_PHY_TYPE_SFI ||
 288            phy_types & I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU ||
 289            phy_types & I40E_CAP_PHY_TYPE_10GBASE_AOC)
 290                *supported |= SUPPORTED_10000baseT_Full;
 291        if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1_CU ||
 292            phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1 ||
 293            phy_types & I40E_CAP_PHY_TYPE_10GBASE_T ||
 294            phy_types & I40E_CAP_PHY_TYPE_10GBASE_SR ||
 295            phy_types & I40E_CAP_PHY_TYPE_10GBASE_LR) {
 296                *supported |= SUPPORTED_Autoneg |
 297                              SUPPORTED_10000baseT_Full;
 298                *advertising |= ADVERTISED_Autoneg;
 299                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 300                        *advertising |= ADVERTISED_10000baseT_Full;
 301        }
 302        if (phy_types & I40E_CAP_PHY_TYPE_XLAUI ||
 303            phy_types & I40E_CAP_PHY_TYPE_XLPPI ||
 304            phy_types & I40E_CAP_PHY_TYPE_40GBASE_AOC)
 305                *supported |= SUPPORTED_40000baseCR4_Full;
 306        if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU ||
 307            phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4) {
 308                *supported |= SUPPORTED_Autoneg |
 309                              SUPPORTED_40000baseCR4_Full;
 310                *advertising |= ADVERTISED_Autoneg;
 311                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_40GB)
 312                        *advertising |= ADVERTISED_40000baseCR4_Full;
 313        }
 314        if (phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) {
 315                *supported |= SUPPORTED_Autoneg |
 316                              SUPPORTED_100baseT_Full;
 317                *advertising |= ADVERTISED_Autoneg;
 318                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
 319                        *advertising |= ADVERTISED_100baseT_Full;
 320        }
 321        if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_T ||
 322            phy_types & I40E_CAP_PHY_TYPE_1000BASE_SX ||
 323            phy_types & I40E_CAP_PHY_TYPE_1000BASE_LX ||
 324            phy_types & I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL) {
 325                *supported |= SUPPORTED_Autoneg |
 326                              SUPPORTED_1000baseT_Full;
 327                *advertising |= ADVERTISED_Autoneg;
 328                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 329                        *advertising |= ADVERTISED_1000baseT_Full;
 330        }
 331        if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_SR4)
 332                *supported |= SUPPORTED_40000baseSR4_Full;
 333        if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_LR4)
 334                *supported |= SUPPORTED_40000baseLR4_Full;
 335        if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4) {
 336                *supported |= SUPPORTED_40000baseKR4_Full |
 337                              SUPPORTED_Autoneg;
 338                *advertising |= ADVERTISED_40000baseKR4_Full |
 339                                ADVERTISED_Autoneg;
 340        }
 341        if (phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2) {
 342                *supported |= SUPPORTED_20000baseKR2_Full |
 343                              SUPPORTED_Autoneg;
 344                *advertising |= ADVERTISED_Autoneg;
 345                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_20GB)
 346                        *advertising |= ADVERTISED_20000baseKR2_Full;
 347        }
 348        if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR) {
 349                if (!(pf->flags & I40E_FLAG_HAVE_CRT_RETIMER))
 350                        *supported |= SUPPORTED_10000baseKR_Full |
 351                                      SUPPORTED_Autoneg;
 352                *advertising |= ADVERTISED_Autoneg;
 353                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 354                        if (!(pf->flags & I40E_FLAG_HAVE_CRT_RETIMER))
 355                                *advertising |= ADVERTISED_10000baseKR_Full;
 356        }
 357        if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4) {
 358                *supported |= SUPPORTED_10000baseKX4_Full |
 359                              SUPPORTED_Autoneg;
 360                *advertising |= ADVERTISED_Autoneg;
 361                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 362                        *advertising |= ADVERTISED_10000baseKX4_Full;
 363        }
 364        if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX) {
 365                if (!(pf->flags & I40E_FLAG_HAVE_CRT_RETIMER))
 366                        *supported |= SUPPORTED_1000baseKX_Full |
 367                                      SUPPORTED_Autoneg;
 368                *advertising |= ADVERTISED_Autoneg;
 369                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 370                        if (!(pf->flags & I40E_FLAG_HAVE_CRT_RETIMER))
 371                                *advertising |= ADVERTISED_1000baseKX_Full;
 372        }
 373        if (phy_types & I40E_CAP_PHY_TYPE_25GBASE_KR ||
 374            phy_types & I40E_CAP_PHY_TYPE_25GBASE_CR ||
 375            phy_types & I40E_CAP_PHY_TYPE_25GBASE_SR ||
 376            phy_types & I40E_CAP_PHY_TYPE_25GBASE_LR) {
 377                *supported |= SUPPORTED_Autoneg;
 378                *advertising |= ADVERTISED_Autoneg;
 379        }
 380}
 381
 382/**
 383 * i40e_get_settings_link_up - Get the Link settings for when link is up
 384 * @hw: hw structure
 385 * @ecmd: ethtool command to fill in
 386 * @netdev: network interface device structure
 387 *
 388 **/
 389static void i40e_get_settings_link_up(struct i40e_hw *hw,
 390                                      struct ethtool_cmd *ecmd,
 391                                      struct net_device *netdev,
 392                                      struct i40e_pf *pf)
 393{
 394        struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 395        u32 link_speed = hw_link_info->link_speed;
 396        u32 e_advertising = 0x0;
 397        u32 e_supported = 0x0;
 398
 399        /* Initialize supported and advertised settings based on phy settings */
 400        switch (hw_link_info->phy_type) {
 401        case I40E_PHY_TYPE_40GBASE_CR4:
 402        case I40E_PHY_TYPE_40GBASE_CR4_CU:
 403                ecmd->supported = SUPPORTED_Autoneg |
 404                                  SUPPORTED_40000baseCR4_Full;
 405                ecmd->advertising = ADVERTISED_Autoneg |
 406                                    ADVERTISED_40000baseCR4_Full;
 407                break;
 408        case I40E_PHY_TYPE_XLAUI:
 409        case I40E_PHY_TYPE_XLPPI:
 410        case I40E_PHY_TYPE_40GBASE_AOC:
 411                ecmd->supported = SUPPORTED_40000baseCR4_Full;
 412                break;
 413        case I40E_PHY_TYPE_40GBASE_SR4:
 414                ecmd->supported = SUPPORTED_40000baseSR4_Full;
 415                break;
 416        case I40E_PHY_TYPE_40GBASE_LR4:
 417                ecmd->supported = SUPPORTED_40000baseLR4_Full;
 418                break;
 419        case I40E_PHY_TYPE_10GBASE_SR:
 420        case I40E_PHY_TYPE_10GBASE_LR:
 421        case I40E_PHY_TYPE_1000BASE_SX:
 422        case I40E_PHY_TYPE_1000BASE_LX:
 423                ecmd->supported = SUPPORTED_10000baseT_Full;
 424                if (hw_link_info->module_type[2] &
 425                    I40E_MODULE_TYPE_1000BASE_SX ||
 426                    hw_link_info->module_type[2] &
 427                    I40E_MODULE_TYPE_1000BASE_LX) {
 428                        ecmd->supported |= SUPPORTED_1000baseT_Full;
 429                        if (hw_link_info->requested_speeds &
 430                            I40E_LINK_SPEED_1GB)
 431                                ecmd->advertising |= ADVERTISED_1000baseT_Full;
 432                }
 433                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 434                        ecmd->advertising |= ADVERTISED_10000baseT_Full;
 435                break;
 436        case I40E_PHY_TYPE_10GBASE_T:
 437        case I40E_PHY_TYPE_1000BASE_T:
 438        case I40E_PHY_TYPE_100BASE_TX:
 439                ecmd->supported = SUPPORTED_Autoneg |
 440                                  SUPPORTED_10000baseT_Full |
 441                                  SUPPORTED_1000baseT_Full |
 442                                  SUPPORTED_100baseT_Full;
 443                ecmd->advertising = ADVERTISED_Autoneg;
 444                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 445                        ecmd->advertising |= ADVERTISED_10000baseT_Full;
 446                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 447                        ecmd->advertising |= ADVERTISED_1000baseT_Full;
 448                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
 449                        ecmd->advertising |= ADVERTISED_100baseT_Full;
 450                break;
 451        case I40E_PHY_TYPE_1000BASE_T_OPTICAL:
 452                ecmd->supported = SUPPORTED_Autoneg |
 453                                  SUPPORTED_1000baseT_Full;
 454                ecmd->advertising = ADVERTISED_Autoneg |
 455                                    ADVERTISED_1000baseT_Full;
 456                break;
 457        case I40E_PHY_TYPE_10GBASE_CR1_CU:
 458        case I40E_PHY_TYPE_10GBASE_CR1:
 459                ecmd->supported = SUPPORTED_Autoneg |
 460                                  SUPPORTED_10000baseT_Full;
 461                ecmd->advertising = ADVERTISED_Autoneg |
 462                                    ADVERTISED_10000baseT_Full;
 463                break;
 464        case I40E_PHY_TYPE_XAUI:
 465        case I40E_PHY_TYPE_XFI:
 466        case I40E_PHY_TYPE_SFI:
 467        case I40E_PHY_TYPE_10GBASE_SFPP_CU:
 468        case I40E_PHY_TYPE_10GBASE_AOC:
 469                ecmd->supported = SUPPORTED_10000baseT_Full;
 470                ecmd->advertising = SUPPORTED_10000baseT_Full;
 471                break;
 472        case I40E_PHY_TYPE_SGMII:
 473                ecmd->supported = SUPPORTED_Autoneg |
 474                                  SUPPORTED_1000baseT_Full;
 475                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 476                        ecmd->advertising |= ADVERTISED_1000baseT_Full;
 477                if (pf->flags & I40E_FLAG_100M_SGMII_CAPABLE) {
 478                        ecmd->supported |= SUPPORTED_100baseT_Full;
 479                        if (hw_link_info->requested_speeds &
 480                            I40E_LINK_SPEED_100MB)
 481                                ecmd->advertising |= ADVERTISED_100baseT_Full;
 482                }
 483                break;
 484        case I40E_PHY_TYPE_40GBASE_KR4:
 485        case I40E_PHY_TYPE_20GBASE_KR2:
 486        case I40E_PHY_TYPE_10GBASE_KR:
 487        case I40E_PHY_TYPE_10GBASE_KX4:
 488        case I40E_PHY_TYPE_1000BASE_KX:
 489                ecmd->supported |= SUPPORTED_40000baseKR4_Full |
 490                                   SUPPORTED_20000baseKR2_Full |
 491                                   SUPPORTED_10000baseKR_Full |
 492                                   SUPPORTED_10000baseKX4_Full |
 493                                   SUPPORTED_1000baseKX_Full |
 494                                   SUPPORTED_Autoneg;
 495                ecmd->advertising |= ADVERTISED_40000baseKR4_Full |
 496                                     ADVERTISED_20000baseKR2_Full |
 497                                     ADVERTISED_10000baseKR_Full |
 498                                     ADVERTISED_10000baseKX4_Full |
 499                                     ADVERTISED_1000baseKX_Full |
 500                                     ADVERTISED_Autoneg;
 501                break;
 502        case I40E_PHY_TYPE_25GBASE_KR:
 503        case I40E_PHY_TYPE_25GBASE_CR:
 504        case I40E_PHY_TYPE_25GBASE_SR:
 505        case I40E_PHY_TYPE_25GBASE_LR:
 506                ecmd->supported = SUPPORTED_Autoneg;
 507                ecmd->advertising = ADVERTISED_Autoneg;
 508                /* TODO: add speeds when ethtool is ready to support*/
 509                break;
 510        default:
 511                /* if we got here and link is up something bad is afoot */
 512                netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n",
 513                            hw_link_info->phy_type);
 514        }
 515
 516        /* Now that we've worked out everything that could be supported by the
 517         * current PHY type, get what is supported by the NVM and them to
 518         * get what is truly supported
 519         */
 520        i40e_phy_type_to_ethtool(pf, &e_supported,
 521                                 &e_advertising);
 522
 523        ecmd->supported = ecmd->supported & e_supported;
 524        ecmd->advertising = ecmd->advertising & e_advertising;
 525
 526        /* Set speed and duplex */
 527        switch (link_speed) {
 528        case I40E_LINK_SPEED_40GB:
 529                ethtool_cmd_speed_set(ecmd, SPEED_40000);
 530                break;
 531        case I40E_LINK_SPEED_25GB:
 532#ifdef SPEED_25000
 533                ethtool_cmd_speed_set(ecmd, SPEED_25000);
 534#else
 535                netdev_info(netdev,
 536                            "Speed is 25G, display not supported by this version of ethtool.\n");
 537#endif
 538                break;
 539        case I40E_LINK_SPEED_20GB:
 540                ethtool_cmd_speed_set(ecmd, SPEED_20000);
 541                break;
 542        case I40E_LINK_SPEED_10GB:
 543                ethtool_cmd_speed_set(ecmd, SPEED_10000);
 544                break;
 545        case I40E_LINK_SPEED_1GB:
 546                ethtool_cmd_speed_set(ecmd, SPEED_1000);
 547                break;
 548        case I40E_LINK_SPEED_100MB:
 549                ethtool_cmd_speed_set(ecmd, SPEED_100);
 550                break;
 551        default:
 552                break;
 553        }
 554        ecmd->duplex = DUPLEX_FULL;
 555}
 556
 557/**
 558 * i40e_get_settings_link_down - Get the Link settings for when link is down
 559 * @hw: hw structure
 560 * @ecmd: ethtool command to fill in
 561 *
 562 * Reports link settings that can be determined when link is down
 563 **/
 564static void i40e_get_settings_link_down(struct i40e_hw *hw,
 565                                        struct ethtool_cmd *ecmd,
 566                                        struct i40e_pf *pf)
 567{
 568        /* link is down and the driver needs to fall back on
 569         * supported phy types to figure out what info to display
 570         */
 571        i40e_phy_type_to_ethtool(pf, &ecmd->supported,
 572                                 &ecmd->advertising);
 573
 574        /* With no link speed and duplex are unknown */
 575        ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
 576        ecmd->duplex = DUPLEX_UNKNOWN;
 577}
 578
 579/**
 580 * i40e_get_settings - Get Link Speed and Duplex settings
 581 * @netdev: network interface device structure
 582 * @ecmd: ethtool command
 583 *
 584 * Reports speed/duplex settings based on media_type
 585 **/
 586static int i40e_get_settings(struct net_device *netdev,
 587                             struct ethtool_cmd *ecmd)
 588{
 589        struct i40e_netdev_priv *np = netdev_priv(netdev);
 590        struct i40e_pf *pf = np->vsi->back;
 591        struct i40e_hw *hw = &pf->hw;
 592        struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 593        bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
 594
 595        if (link_up)
 596                i40e_get_settings_link_up(hw, ecmd, netdev, pf);
 597        else
 598                i40e_get_settings_link_down(hw, ecmd, pf);
 599
 600        /* Now set the settings that don't rely on link being up/down */
 601        /* Set autoneg settings */
 602        ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 603                          AUTONEG_ENABLE : AUTONEG_DISABLE);
 604
 605        switch (hw->phy.media_type) {
 606        case I40E_MEDIA_TYPE_BACKPLANE:
 607                ecmd->supported |= SUPPORTED_Autoneg |
 608                                   SUPPORTED_Backplane;
 609                ecmd->advertising |= ADVERTISED_Autoneg |
 610                                     ADVERTISED_Backplane;
 611                ecmd->port = PORT_NONE;
 612                break;
 613        case I40E_MEDIA_TYPE_BASET:
 614                ecmd->supported |= SUPPORTED_TP;
 615                ecmd->advertising |= ADVERTISED_TP;
 616                ecmd->port = PORT_TP;
 617                break;
 618        case I40E_MEDIA_TYPE_DA:
 619        case I40E_MEDIA_TYPE_CX4:
 620                ecmd->supported |= SUPPORTED_FIBRE;
 621                ecmd->advertising |= ADVERTISED_FIBRE;
 622                ecmd->port = PORT_DA;
 623                break;
 624        case I40E_MEDIA_TYPE_FIBER:
 625                ecmd->supported |= SUPPORTED_FIBRE;
 626                ecmd->port = PORT_FIBRE;
 627                break;
 628        case I40E_MEDIA_TYPE_UNKNOWN:
 629        default:
 630                ecmd->port = PORT_OTHER;
 631                break;
 632        }
 633
 634        /* Set transceiver */
 635        ecmd->transceiver = XCVR_EXTERNAL;
 636
 637        /* Set flow control settings */
 638        ecmd->supported |= SUPPORTED_Pause;
 639
 640        switch (hw->fc.requested_mode) {
 641        case I40E_FC_FULL:
 642                ecmd->advertising |= ADVERTISED_Pause;
 643                break;
 644        case I40E_FC_TX_PAUSE:
 645                ecmd->advertising |= ADVERTISED_Asym_Pause;
 646                break;
 647        case I40E_FC_RX_PAUSE:
 648                ecmd->advertising |= (ADVERTISED_Pause |
 649                                      ADVERTISED_Asym_Pause);
 650                break;
 651        default:
 652                ecmd->advertising &= ~(ADVERTISED_Pause |
 653                                       ADVERTISED_Asym_Pause);
 654                break;
 655        }
 656
 657        return 0;
 658}
 659
 660/**
 661 * i40e_set_settings - Set Speed and Duplex
 662 * @netdev: network interface device structure
 663 * @ecmd: ethtool command
 664 *
 665 * Set speed/duplex per media_types advertised/forced
 666 **/
 667static int i40e_set_settings(struct net_device *netdev,
 668                             struct ethtool_cmd *ecmd)
 669{
 670        struct i40e_netdev_priv *np = netdev_priv(netdev);
 671        struct i40e_aq_get_phy_abilities_resp abilities;
 672        struct i40e_aq_set_phy_config config;
 673        struct i40e_pf *pf = np->vsi->back;
 674        struct i40e_vsi *vsi = np->vsi;
 675        struct i40e_hw *hw = &pf->hw;
 676        struct ethtool_cmd safe_ecmd;
 677        i40e_status status = 0;
 678        bool change = false;
 679        int err = 0;
 680        u8 autoneg;
 681        u32 advertise;
 682
 683        /* Changing port settings is not supported if this isn't the
 684         * port's controlling PF
 685         */
 686        if (hw->partition_id != 1) {
 687                i40e_partition_setting_complaint(pf);
 688                return -EOPNOTSUPP;
 689        }
 690
 691        if (vsi != pf->vsi[pf->lan_vsi])
 692                return -EOPNOTSUPP;
 693
 694        if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
 695            hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
 696            hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
 697            hw->phy.media_type != I40E_MEDIA_TYPE_DA &&
 698            hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
 699                return -EOPNOTSUPP;
 700
 701        if (hw->device_id == I40E_DEV_ID_KX_B ||
 702            hw->device_id == I40E_DEV_ID_KX_C ||
 703            hw->device_id == I40E_DEV_ID_20G_KR2 ||
 704            hw->device_id == I40E_DEV_ID_20G_KR2_A) {
 705                netdev_info(netdev, "Changing settings is not supported on backplane.\n");
 706                return -EOPNOTSUPP;
 707        }
 708
 709        /* get our own copy of the bits to check against */
 710        memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd));
 711        i40e_get_settings(netdev, &safe_ecmd);
 712
 713        /* save autoneg and speed out of ecmd */
 714        autoneg = ecmd->autoneg;
 715        advertise = ecmd->advertising;
 716
 717        /* set autoneg and speed back to what they currently are */
 718        ecmd->autoneg = safe_ecmd.autoneg;
 719        ecmd->advertising = safe_ecmd.advertising;
 720
 721        ecmd->cmd = safe_ecmd.cmd;
 722        /* If ecmd and safe_ecmd are not the same now, then they are
 723         * trying to set something that we do not support
 724         */
 725        if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd)))
 726                return -EOPNOTSUPP;
 727
 728        while (test_bit(__I40E_CONFIG_BUSY, &vsi->state))
 729                usleep_range(1000, 2000);
 730
 731        /* Get the current phy config */
 732        status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
 733                                              NULL);
 734        if (status)
 735                return -EAGAIN;
 736
 737        /* Copy abilities to config in case autoneg is not
 738         * set below
 739         */
 740        memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
 741        config.abilities = abilities.abilities;
 742
 743        /* Check autoneg */
 744        if (autoneg == AUTONEG_ENABLE) {
 745                /* If autoneg was not already enabled */
 746                if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
 747                        /* If autoneg is not supported, return error */
 748                        if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) {
 749                                netdev_info(netdev, "Autoneg not supported on this phy\n");
 750                                return -EINVAL;
 751                        }
 752                        /* Autoneg is allowed to change */
 753                        config.abilities = abilities.abilities |
 754                                           I40E_AQ_PHY_ENABLE_AN;
 755                        change = true;
 756                }
 757        } else {
 758                /* If autoneg is currently enabled */
 759                if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
 760                        /* If autoneg is supported 10GBASE_T is the only PHY
 761                         * that can disable it, so otherwise return error
 762                         */
 763                        if (safe_ecmd.supported & SUPPORTED_Autoneg &&
 764                            hw->phy.link_info.phy_type !=
 765                            I40E_PHY_TYPE_10GBASE_T) {
 766                                netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
 767                                return -EINVAL;
 768                        }
 769                        /* Autoneg is allowed to change */
 770                        config.abilities = abilities.abilities &
 771                                           ~I40E_AQ_PHY_ENABLE_AN;
 772                        change = true;
 773                }
 774        }
 775
 776        if (advertise & ~safe_ecmd.supported)
 777                return -EINVAL;
 778
 779        if (advertise & ADVERTISED_100baseT_Full)
 780                config.link_speed |= I40E_LINK_SPEED_100MB;
 781        if (advertise & ADVERTISED_1000baseT_Full ||
 782            advertise & ADVERTISED_1000baseKX_Full)
 783                config.link_speed |= I40E_LINK_SPEED_1GB;
 784        if (advertise & ADVERTISED_10000baseT_Full ||
 785            advertise & ADVERTISED_10000baseKX4_Full ||
 786            advertise & ADVERTISED_10000baseKR_Full)
 787                config.link_speed |= I40E_LINK_SPEED_10GB;
 788        if (advertise & ADVERTISED_20000baseKR2_Full)
 789                config.link_speed |= I40E_LINK_SPEED_20GB;
 790        if (advertise & ADVERTISED_40000baseKR4_Full ||
 791            advertise & ADVERTISED_40000baseCR4_Full ||
 792            advertise & ADVERTISED_40000baseSR4_Full ||
 793            advertise & ADVERTISED_40000baseLR4_Full)
 794                config.link_speed |= I40E_LINK_SPEED_40GB;
 795
 796        /* If speed didn't get set, set it to what it currently is.
 797         * This is needed because if advertise is 0 (as it is when autoneg
 798         * is disabled) then speed won't get set.
 799         */
 800        if (!config.link_speed)
 801                config.link_speed = abilities.link_speed;
 802
 803        if (change || (abilities.link_speed != config.link_speed)) {
 804                /* copy over the rest of the abilities */
 805                config.phy_type = abilities.phy_type;
 806                config.eee_capability = abilities.eee_capability;
 807                config.eeer = abilities.eeer_val;
 808                config.low_power_ctrl = abilities.d3_lpan;
 809
 810                /* save the requested speeds */
 811                hw->phy.link_info.requested_speeds = config.link_speed;
 812                /* set link and auto negotiation so changes take effect */
 813                config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
 814                /* If link is up put link down */
 815                if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
 816                        /* Tell the OS link is going down, the link will go
 817                         * back up when fw says it is ready asynchronously
 818                         */
 819                        i40e_print_link_message(vsi, false);
 820                        netif_carrier_off(netdev);
 821                        netif_tx_stop_all_queues(netdev);
 822                }
 823
 824                /* make the aq call */
 825                status = i40e_aq_set_phy_config(hw, &config, NULL);
 826                if (status) {
 827                        netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n",
 828                                    i40e_stat_str(hw, status),
 829                                    i40e_aq_str(hw, hw->aq.asq_last_status));
 830                        return -EAGAIN;
 831                }
 832
 833                status = i40e_update_link_info(hw);
 834                if (status)
 835                        netdev_dbg(netdev, "Updating link info failed with err %s aq_err %s\n",
 836                                   i40e_stat_str(hw, status),
 837                                   i40e_aq_str(hw, hw->aq.asq_last_status));
 838
 839        } else {
 840                netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
 841        }
 842
 843        return err;
 844}
 845
 846static int i40e_nway_reset(struct net_device *netdev)
 847{
 848        /* restart autonegotiation */
 849        struct i40e_netdev_priv *np = netdev_priv(netdev);
 850        struct i40e_pf *pf = np->vsi->back;
 851        struct i40e_hw *hw = &pf->hw;
 852        bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
 853        i40e_status ret = 0;
 854
 855        ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
 856        if (ret) {
 857                netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
 858                            i40e_stat_str(hw, ret),
 859                            i40e_aq_str(hw, hw->aq.asq_last_status));
 860                return -EIO;
 861        }
 862
 863        return 0;
 864}
 865
 866/**
 867 * i40e_get_pauseparam -  Get Flow Control status
 868 * Return tx/rx-pause status
 869 **/
 870static void i40e_get_pauseparam(struct net_device *netdev,
 871                                struct ethtool_pauseparam *pause)
 872{
 873        struct i40e_netdev_priv *np = netdev_priv(netdev);
 874        struct i40e_pf *pf = np->vsi->back;
 875        struct i40e_hw *hw = &pf->hw;
 876        struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 877        struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
 878
 879        pause->autoneg =
 880                ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 881                  AUTONEG_ENABLE : AUTONEG_DISABLE);
 882
 883        /* PFC enabled so report LFC as off */
 884        if (dcbx_cfg->pfc.pfcenable) {
 885                pause->rx_pause = 0;
 886                pause->tx_pause = 0;
 887                return;
 888        }
 889
 890        if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
 891                pause->rx_pause = 1;
 892        } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
 893                pause->tx_pause = 1;
 894        } else if (hw->fc.current_mode == I40E_FC_FULL) {
 895                pause->rx_pause = 1;
 896                pause->tx_pause = 1;
 897        }
 898}
 899
 900/**
 901 * i40e_set_pauseparam - Set Flow Control parameter
 902 * @netdev: network interface device structure
 903 * @pause: return tx/rx flow control status
 904 **/
 905static int i40e_set_pauseparam(struct net_device *netdev,
 906                               struct ethtool_pauseparam *pause)
 907{
 908        struct i40e_netdev_priv *np = netdev_priv(netdev);
 909        struct i40e_pf *pf = np->vsi->back;
 910        struct i40e_vsi *vsi = np->vsi;
 911        struct i40e_hw *hw = &pf->hw;
 912        struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 913        struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
 914        bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
 915        i40e_status status;
 916        u8 aq_failures;
 917        int err = 0;
 918
 919        /* Changing the port's flow control is not supported if this isn't the
 920         * port's controlling PF
 921         */
 922        if (hw->partition_id != 1) {
 923                i40e_partition_setting_complaint(pf);
 924                return -EOPNOTSUPP;
 925        }
 926
 927        if (vsi != pf->vsi[pf->lan_vsi])
 928                return -EOPNOTSUPP;
 929
 930        if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 931            AUTONEG_ENABLE : AUTONEG_DISABLE)) {
 932                netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
 933                return -EOPNOTSUPP;
 934        }
 935
 936        /* If we have link and don't have autoneg */
 937        if (!test_bit(__I40E_DOWN, &pf->state) &&
 938            !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
 939                /* Send message that it might not necessarily work*/
 940                netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
 941        }
 942
 943        if (dcbx_cfg->pfc.pfcenable) {
 944                netdev_info(netdev,
 945                            "Priority flow control enabled. Cannot set link flow control.\n");
 946                return -EOPNOTSUPP;
 947        }
 948
 949        if (pause->rx_pause && pause->tx_pause)
 950                hw->fc.requested_mode = I40E_FC_FULL;
 951        else if (pause->rx_pause && !pause->tx_pause)
 952                hw->fc.requested_mode = I40E_FC_RX_PAUSE;
 953        else if (!pause->rx_pause && pause->tx_pause)
 954                hw->fc.requested_mode = I40E_FC_TX_PAUSE;
 955        else if (!pause->rx_pause && !pause->tx_pause)
 956                hw->fc.requested_mode = I40E_FC_NONE;
 957        else
 958                 return -EINVAL;
 959
 960        /* Tell the OS link is going down, the link will go back up when fw
 961         * says it is ready asynchronously
 962         */
 963        i40e_print_link_message(vsi, false);
 964        netif_carrier_off(netdev);
 965        netif_tx_stop_all_queues(netdev);
 966
 967        /* Set the fc mode and only restart an if link is up*/
 968        status = i40e_set_fc(hw, &aq_failures, link_up);
 969
 970        if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
 971                netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
 972                            i40e_stat_str(hw, status),
 973                            i40e_aq_str(hw, hw->aq.asq_last_status));
 974                err = -EAGAIN;
 975        }
 976        if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
 977                netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
 978                            i40e_stat_str(hw, status),
 979                            i40e_aq_str(hw, hw->aq.asq_last_status));
 980                err = -EAGAIN;
 981        }
 982        if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
 983                netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
 984                            i40e_stat_str(hw, status),
 985                            i40e_aq_str(hw, hw->aq.asq_last_status));
 986                err = -EAGAIN;
 987        }
 988
 989        if (!test_bit(__I40E_DOWN, &pf->state)) {
 990                /* Give it a little more time to try to come back */
 991                msleep(75);
 992                if (!test_bit(__I40E_DOWN, &pf->state))
 993                        return i40e_nway_reset(netdev);
 994        }
 995
 996        return err;
 997}
 998
 999static u32 i40e_get_msglevel(struct net_device *netdev)
1000{
1001        struct i40e_netdev_priv *np = netdev_priv(netdev);
1002        struct i40e_pf *pf = np->vsi->back;
1003        u32 debug_mask = pf->hw.debug_mask;
1004
1005        if (debug_mask)
1006                netdev_info(netdev, "i40e debug_mask: 0x%08X\n", debug_mask);
1007
1008        return pf->msg_enable;
1009}
1010
1011static void i40e_set_msglevel(struct net_device *netdev, u32 data)
1012{
1013        struct i40e_netdev_priv *np = netdev_priv(netdev);
1014        struct i40e_pf *pf = np->vsi->back;
1015
1016        if (I40E_DEBUG_USER & data)
1017                pf->hw.debug_mask = data;
1018        else
1019                pf->msg_enable = data;
1020}
1021
1022static int i40e_get_regs_len(struct net_device *netdev)
1023{
1024        int reg_count = 0;
1025        int i;
1026
1027        for (i = 0; i40e_reg_list[i].offset != 0; i++)
1028                reg_count += i40e_reg_list[i].elements;
1029
1030        return reg_count * sizeof(u32);
1031}
1032
1033static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
1034                          void *p)
1035{
1036        struct i40e_netdev_priv *np = netdev_priv(netdev);
1037        struct i40e_pf *pf = np->vsi->back;
1038        struct i40e_hw *hw = &pf->hw;
1039        u32 *reg_buf = p;
1040        int i, j, ri;
1041        u32 reg;
1042
1043        /* Tell ethtool which driver-version-specific regs output we have.
1044         *
1045         * At some point, if we have ethtool doing special formatting of
1046         * this data, it will rely on this version number to know how to
1047         * interpret things.  Hence, this needs to be updated if/when the
1048         * diags register table is changed.
1049         */
1050        regs->version = 1;
1051
1052        /* loop through the diags reg table for what to print */
1053        ri = 0;
1054        for (i = 0; i40e_reg_list[i].offset != 0; i++) {
1055                for (j = 0; j < i40e_reg_list[i].elements; j++) {
1056                        reg = i40e_reg_list[i].offset
1057                                + (j * i40e_reg_list[i].stride);
1058                        reg_buf[ri++] = rd32(hw, reg);
1059                }
1060        }
1061
1062}
1063
1064static int i40e_get_eeprom(struct net_device *netdev,
1065                           struct ethtool_eeprom *eeprom, u8 *bytes)
1066{
1067        struct i40e_netdev_priv *np = netdev_priv(netdev);
1068        struct i40e_hw *hw = &np->vsi->back->hw;
1069        struct i40e_pf *pf = np->vsi->back;
1070        int ret_val = 0, len, offset;
1071        u8 *eeprom_buff;
1072        u16 i, sectors;
1073        bool last;
1074        u32 magic;
1075
1076#define I40E_NVM_SECTOR_SIZE  4096
1077        if (eeprom->len == 0)
1078                return -EINVAL;
1079
1080        /* check for NVMUpdate access method */
1081        magic = hw->vendor_id | (hw->device_id << 16);
1082        if (eeprom->magic && eeprom->magic != magic) {
1083                struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
1084                int errno = 0;
1085
1086                /* make sure it is the right magic for NVMUpdate */
1087                if ((eeprom->magic >> 16) != hw->device_id)
1088                        errno = -EINVAL;
1089                else if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
1090                         test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
1091                        errno = -EBUSY;
1092                else
1093                        ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1094
1095                if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM))
1096                        dev_info(&pf->pdev->dev,
1097                                 "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1098                                 ret_val, hw->aq.asq_last_status, errno,
1099                                 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1100                                 cmd->offset, cmd->data_size);
1101
1102                return errno;
1103        }
1104
1105        /* normal ethtool get_eeprom support */
1106        eeprom->magic = hw->vendor_id | (hw->device_id << 16);
1107
1108        eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
1109        if (!eeprom_buff)
1110                return -ENOMEM;
1111
1112        ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
1113        if (ret_val) {
1114                dev_info(&pf->pdev->dev,
1115                         "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1116                         ret_val, hw->aq.asq_last_status);
1117                goto free_buff;
1118        }
1119
1120        sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
1121        sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
1122        len = I40E_NVM_SECTOR_SIZE;
1123        last = false;
1124        for (i = 0; i < sectors; i++) {
1125                if (i == (sectors - 1)) {
1126                        len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
1127                        last = true;
1128                }
1129                offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
1130                ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
1131                                (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
1132                                last, NULL);
1133                if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
1134                        dev_info(&pf->pdev->dev,
1135                                 "read NVM failed, invalid offset 0x%x\n",
1136                                 offset);
1137                        break;
1138                } else if (ret_val &&
1139                           hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
1140                        dev_info(&pf->pdev->dev,
1141                                 "read NVM failed, access, offset 0x%x\n",
1142                                 offset);
1143                        break;
1144                } else if (ret_val) {
1145                        dev_info(&pf->pdev->dev,
1146                                 "read NVM failed offset %d err=%d status=0x%x\n",
1147                                 offset, ret_val, hw->aq.asq_last_status);
1148                        break;
1149                }
1150        }
1151
1152        i40e_release_nvm(hw);
1153        memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
1154free_buff:
1155        kfree(eeprom_buff);
1156        return ret_val;
1157}
1158
1159static int i40e_get_eeprom_len(struct net_device *netdev)
1160{
1161        struct i40e_netdev_priv *np = netdev_priv(netdev);
1162        struct i40e_hw *hw = &np->vsi->back->hw;
1163        u32 val;
1164
1165        val = (rd32(hw, I40E_GLPCI_LBARCTRL)
1166                & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
1167                >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
1168        /* register returns value in power of 2, 64Kbyte chunks. */
1169        val = (64 * 1024) * BIT(val);
1170        return val;
1171}
1172
1173static int i40e_set_eeprom(struct net_device *netdev,
1174                           struct ethtool_eeprom *eeprom, u8 *bytes)
1175{
1176        struct i40e_netdev_priv *np = netdev_priv(netdev);
1177        struct i40e_hw *hw = &np->vsi->back->hw;
1178        struct i40e_pf *pf = np->vsi->back;
1179        struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
1180        int ret_val = 0;
1181        int errno = 0;
1182        u32 magic;
1183
1184        /* normal ethtool set_eeprom is not supported */
1185        magic = hw->vendor_id | (hw->device_id << 16);
1186        if (eeprom->magic == magic)
1187                errno = -EOPNOTSUPP;
1188        /* check for NVMUpdate access method */
1189        else if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
1190                errno = -EINVAL;
1191        else if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
1192                 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
1193                errno = -EBUSY;
1194        else
1195                ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1196
1197        if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM))
1198                dev_info(&pf->pdev->dev,
1199                         "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1200                         ret_val, hw->aq.asq_last_status, errno,
1201                         (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1202                         cmd->offset, cmd->data_size);
1203
1204        return errno;
1205}
1206
1207static void i40e_get_drvinfo(struct net_device *netdev,
1208                             struct ethtool_drvinfo *drvinfo)
1209{
1210        struct i40e_netdev_priv *np = netdev_priv(netdev);
1211        struct i40e_vsi *vsi = np->vsi;
1212        struct i40e_pf *pf = vsi->back;
1213
1214        strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
1215        strlcpy(drvinfo->version, i40e_driver_version_str,
1216                sizeof(drvinfo->version));
1217        strlcpy(drvinfo->fw_version, i40e_nvm_version_str(&pf->hw),
1218                sizeof(drvinfo->fw_version));
1219        strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
1220                sizeof(drvinfo->bus_info));
1221        drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN;
1222        if (pf->hw.pf_id == 0)
1223                drvinfo->n_priv_flags += I40E_GL_PRIV_FLAGS_STR_LEN;
1224}
1225
1226static void i40e_get_ringparam(struct net_device *netdev,
1227                               struct ethtool_ringparam *ring)
1228{
1229        struct i40e_netdev_priv *np = netdev_priv(netdev);
1230        struct i40e_pf *pf = np->vsi->back;
1231        struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
1232
1233        ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1234        ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1235        ring->rx_mini_max_pending = 0;
1236        ring->rx_jumbo_max_pending = 0;
1237        ring->rx_pending = vsi->rx_rings[0]->count;
1238        ring->tx_pending = vsi->tx_rings[0]->count;
1239        ring->rx_mini_pending = 0;
1240        ring->rx_jumbo_pending = 0;
1241}
1242
1243static int i40e_set_ringparam(struct net_device *netdev,
1244                              struct ethtool_ringparam *ring)
1245{
1246        struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
1247        struct i40e_netdev_priv *np = netdev_priv(netdev);
1248        struct i40e_hw *hw = &np->vsi->back->hw;
1249        struct i40e_vsi *vsi = np->vsi;
1250        struct i40e_pf *pf = vsi->back;
1251        u32 new_rx_count, new_tx_count;
1252        int i, err = 0;
1253
1254        if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1255                return -EINVAL;
1256
1257        if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1258            ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
1259            ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1260            ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
1261                netdev_info(netdev,
1262                            "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
1263                            ring->tx_pending, ring->rx_pending,
1264                            I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
1265                return -EINVAL;
1266        }
1267
1268        new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1269        new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1270
1271        /* if nothing to do return success */
1272        if ((new_tx_count == vsi->tx_rings[0]->count) &&
1273            (new_rx_count == vsi->rx_rings[0]->count))
1274                return 0;
1275
1276        while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state))
1277                usleep_range(1000, 2000);
1278
1279        if (!netif_running(vsi->netdev)) {
1280                /* simple case - set for the next time the netdev is started */
1281                for (i = 0; i < vsi->num_queue_pairs; i++) {
1282                        vsi->tx_rings[i]->count = new_tx_count;
1283                        vsi->rx_rings[i]->count = new_rx_count;
1284                }
1285                goto done;
1286        }
1287
1288        /* We can't just free everything and then setup again,
1289         * because the ISRs in MSI-X mode get passed pointers
1290         * to the Tx and Rx ring structs.
1291         */
1292
1293        /* alloc updated Tx resources */
1294        if (new_tx_count != vsi->tx_rings[0]->count) {
1295                netdev_info(netdev,
1296                            "Changing Tx descriptor count from %d to %d.\n",
1297                            vsi->tx_rings[0]->count, new_tx_count);
1298                tx_rings = kcalloc(vsi->alloc_queue_pairs,
1299                                   sizeof(struct i40e_ring), GFP_KERNEL);
1300                if (!tx_rings) {
1301                        err = -ENOMEM;
1302                        goto done;
1303                }
1304
1305                for (i = 0; i < vsi->num_queue_pairs; i++) {
1306                        /* clone ring and setup updated count */
1307                        tx_rings[i] = *vsi->tx_rings[i];
1308                        tx_rings[i].count = new_tx_count;
1309                        /* the desc and bi pointers will be reallocated in the
1310                         * setup call
1311                         */
1312                        tx_rings[i].desc = NULL;
1313                        tx_rings[i].rx_bi = NULL;
1314                        err = i40e_setup_tx_descriptors(&tx_rings[i]);
1315                        if (err) {
1316                                while (i) {
1317                                        i--;
1318                                        i40e_free_tx_resources(&tx_rings[i]);
1319                                }
1320                                kfree(tx_rings);
1321                                tx_rings = NULL;
1322
1323                                goto done;
1324                        }
1325                }
1326        }
1327
1328        /* alloc updated Rx resources */
1329        if (new_rx_count != vsi->rx_rings[0]->count) {
1330                netdev_info(netdev,
1331                            "Changing Rx descriptor count from %d to %d\n",
1332                            vsi->rx_rings[0]->count, new_rx_count);
1333                rx_rings = kcalloc(vsi->alloc_queue_pairs,
1334                                   sizeof(struct i40e_ring), GFP_KERNEL);
1335                if (!rx_rings) {
1336                        err = -ENOMEM;
1337                        goto free_tx;
1338                }
1339
1340                for (i = 0; i < vsi->num_queue_pairs; i++) {
1341                        struct i40e_ring *ring;
1342                        u16 unused;
1343
1344                        /* clone ring and setup updated count */
1345                        rx_rings[i] = *vsi->rx_rings[i];
1346                        rx_rings[i].count = new_rx_count;
1347                        /* the desc and bi pointers will be reallocated in the
1348                         * setup call
1349                         */
1350                        rx_rings[i].desc = NULL;
1351                        rx_rings[i].rx_bi = NULL;
1352                        /* this is to allow wr32 to have something to write to
1353                         * during early allocation of Rx buffers
1354                         */
1355                        rx_rings[i].tail = hw->hw_addr + I40E_PRTGEN_STATUS;
1356                        err = i40e_setup_rx_descriptors(&rx_rings[i]);
1357                        if (err)
1358                                goto rx_unwind;
1359
1360                        /* now allocate the Rx buffers to make sure the OS
1361                         * has enough memory, any failure here means abort
1362                         */
1363                        ring = &rx_rings[i];
1364                        unused = I40E_DESC_UNUSED(ring);
1365                        err = i40e_alloc_rx_buffers(ring, unused);
1366rx_unwind:
1367                        if (err) {
1368                                do {
1369                                        i40e_free_rx_resources(&rx_rings[i]);
1370                                } while (i--);
1371                                kfree(rx_rings);
1372                                rx_rings = NULL;
1373
1374                                goto free_tx;
1375                        }
1376                }
1377        }
1378
1379        /* Bring interface down, copy in the new ring info,
1380         * then restore the interface
1381         */
1382        i40e_down(vsi);
1383
1384        if (tx_rings) {
1385                for (i = 0; i < vsi->num_queue_pairs; i++) {
1386                        i40e_free_tx_resources(vsi->tx_rings[i]);
1387                        *vsi->tx_rings[i] = tx_rings[i];
1388                }
1389                kfree(tx_rings);
1390                tx_rings = NULL;
1391        }
1392
1393        if (rx_rings) {
1394                for (i = 0; i < vsi->num_queue_pairs; i++) {
1395                        i40e_free_rx_resources(vsi->rx_rings[i]);
1396                        /* get the real tail offset */
1397                        rx_rings[i].tail = vsi->rx_rings[i]->tail;
1398                        /* this is to fake out the allocation routine
1399                         * into thinking it has to realloc everything
1400                         * but the recycling logic will let us re-use
1401                         * the buffers allocated above
1402                         */
1403                        rx_rings[i].next_to_use = 0;
1404                        rx_rings[i].next_to_clean = 0;
1405                        rx_rings[i].next_to_alloc = 0;
1406                        /* do a struct copy */
1407                        *vsi->rx_rings[i] = rx_rings[i];
1408                }
1409                kfree(rx_rings);
1410                rx_rings = NULL;
1411        }
1412
1413        i40e_up(vsi);
1414
1415free_tx:
1416        /* error cleanup if the Rx allocations failed after getting Tx */
1417        if (tx_rings) {
1418                for (i = 0; i < vsi->num_queue_pairs; i++)
1419                        i40e_free_tx_resources(&tx_rings[i]);
1420                kfree(tx_rings);
1421                tx_rings = NULL;
1422        }
1423
1424done:
1425        clear_bit(__I40E_CONFIG_BUSY, &pf->state);
1426
1427        return err;
1428}
1429
1430static int i40e_get_sset_count(struct net_device *netdev, int sset)
1431{
1432        struct i40e_netdev_priv *np = netdev_priv(netdev);
1433        struct i40e_vsi *vsi = np->vsi;
1434        struct i40e_pf *pf = vsi->back;
1435
1436        switch (sset) {
1437        case ETH_SS_TEST:
1438                return I40E_TEST_LEN;
1439        case ETH_SS_STATS:
1440                if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
1441                        int len = I40E_PF_STATS_LEN(netdev);
1442
1443                        if ((pf->lan_veb != I40E_NO_VEB) &&
1444                            (pf->flags & I40E_FLAG_VEB_STATS_ENABLED))
1445                                len += I40E_VEB_STATS_TOTAL;
1446                        return len;
1447                } else {
1448                        return I40E_VSI_STATS_LEN(netdev);
1449                }
1450        case ETH_SS_PRIV_FLAGS:
1451                return I40E_PRIV_FLAGS_STR_LEN +
1452                        (pf->hw.pf_id == 0 ? I40E_GL_PRIV_FLAGS_STR_LEN : 0);
1453        default:
1454                return -EOPNOTSUPP;
1455        }
1456}
1457
1458static void i40e_get_ethtool_stats(struct net_device *netdev,
1459                                   struct ethtool_stats *stats, u64 *data)
1460{
1461        struct i40e_netdev_priv *np = netdev_priv(netdev);
1462        struct i40e_ring *tx_ring, *rx_ring;
1463        struct i40e_vsi *vsi = np->vsi;
1464        struct i40e_pf *pf = vsi->back;
1465        int i = 0;
1466        char *p;
1467        int j;
1468        struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
1469        unsigned int start;
1470
1471        i40e_update_stats(vsi);
1472
1473        for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
1474                p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
1475                data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
1476                        sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1477        }
1478        for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
1479                p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
1480                data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
1481                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1482        }
1483#ifdef I40E_FCOE
1484        for (j = 0; j < I40E_FCOE_STATS_LEN; j++) {
1485                p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset;
1486                data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat ==
1487                        sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1488        }
1489#endif
1490        rcu_read_lock();
1491        for (j = 0; j < vsi->num_queue_pairs; j++) {
1492                tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
1493
1494                if (!tx_ring)
1495                        continue;
1496
1497                /* process Tx ring statistics */
1498                do {
1499                        start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
1500                        data[i] = tx_ring->stats.packets;
1501                        data[i + 1] = tx_ring->stats.bytes;
1502                } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
1503                i += 2;
1504
1505                /* Rx ring is the 2nd half of the queue pair */
1506                rx_ring = &tx_ring[1];
1507                do {
1508                        start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
1509                        data[i] = rx_ring->stats.packets;
1510                        data[i + 1] = rx_ring->stats.bytes;
1511                } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
1512                i += 2;
1513        }
1514        rcu_read_unlock();
1515        if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1516                return;
1517
1518        if ((pf->lan_veb != I40E_NO_VEB) &&
1519            (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1520                struct i40e_veb *veb = pf->veb[pf->lan_veb];
1521
1522                for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
1523                        p = (char *)veb;
1524                        p += i40e_gstrings_veb_stats[j].stat_offset;
1525                        data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
1526                                     sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1527                }
1528                for (j = 0; j < I40E_MAX_TRAFFIC_CLASS; j++) {
1529                        data[i++] = veb->tc_stats.tc_tx_packets[j];
1530                        data[i++] = veb->tc_stats.tc_tx_bytes[j];
1531                        data[i++] = veb->tc_stats.tc_rx_packets[j];
1532                        data[i++] = veb->tc_stats.tc_rx_bytes[j];
1533                }
1534        }
1535        for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
1536                p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
1537                data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
1538                             sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1539        }
1540        for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1541                data[i++] = pf->stats.priority_xon_tx[j];
1542                data[i++] = pf->stats.priority_xoff_tx[j];
1543        }
1544        for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1545                data[i++] = pf->stats.priority_xon_rx[j];
1546                data[i++] = pf->stats.priority_xoff_rx[j];
1547        }
1548        for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
1549                data[i++] = pf->stats.priority_xon_2_xoff[j];
1550}
1551
1552static void i40e_get_strings(struct net_device *netdev, u32 stringset,
1553                             u8 *data)
1554{
1555        struct i40e_netdev_priv *np = netdev_priv(netdev);
1556        struct i40e_vsi *vsi = np->vsi;
1557        struct i40e_pf *pf = vsi->back;
1558        char *p = (char *)data;
1559        int i;
1560
1561        switch (stringset) {
1562        case ETH_SS_TEST:
1563                memcpy(data, i40e_gstrings_test,
1564                       I40E_TEST_LEN * ETH_GSTRING_LEN);
1565                break;
1566        case ETH_SS_STATS:
1567                for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
1568                        snprintf(p, ETH_GSTRING_LEN, "%s",
1569                                 i40e_gstrings_net_stats[i].stat_string);
1570                        p += ETH_GSTRING_LEN;
1571                }
1572                for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
1573                        snprintf(p, ETH_GSTRING_LEN, "%s",
1574                                 i40e_gstrings_misc_stats[i].stat_string);
1575                        p += ETH_GSTRING_LEN;
1576                }
1577#ifdef I40E_FCOE
1578                for (i = 0; i < I40E_FCOE_STATS_LEN; i++) {
1579                        snprintf(p, ETH_GSTRING_LEN, "%s",
1580                                 i40e_gstrings_fcoe_stats[i].stat_string);
1581                        p += ETH_GSTRING_LEN;
1582                }
1583#endif
1584                for (i = 0; i < vsi->num_queue_pairs; i++) {
1585                        snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_packets", i);
1586                        p += ETH_GSTRING_LEN;
1587                        snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_bytes", i);
1588                        p += ETH_GSTRING_LEN;
1589                        snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_packets", i);
1590                        p += ETH_GSTRING_LEN;
1591                        snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_bytes", i);
1592                        p += ETH_GSTRING_LEN;
1593                }
1594                if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1595                        return;
1596
1597                if ((pf->lan_veb != I40E_NO_VEB) &&
1598                    (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1599                        for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
1600                                snprintf(p, ETH_GSTRING_LEN, "veb.%s",
1601                                        i40e_gstrings_veb_stats[i].stat_string);
1602                                p += ETH_GSTRING_LEN;
1603                        }
1604                        for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1605                                snprintf(p, ETH_GSTRING_LEN,
1606                                         "veb.tc_%d_tx_packets", i);
1607                                p += ETH_GSTRING_LEN;
1608                                snprintf(p, ETH_GSTRING_LEN,
1609                                         "veb.tc_%d_tx_bytes", i);
1610                                p += ETH_GSTRING_LEN;
1611                                snprintf(p, ETH_GSTRING_LEN,
1612                                         "veb.tc_%d_rx_packets", i);
1613                                p += ETH_GSTRING_LEN;
1614                                snprintf(p, ETH_GSTRING_LEN,
1615                                         "veb.tc_%d_rx_bytes", i);
1616                                p += ETH_GSTRING_LEN;
1617                        }
1618                }
1619                for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
1620                        snprintf(p, ETH_GSTRING_LEN, "port.%s",
1621                                 i40e_gstrings_stats[i].stat_string);
1622                        p += ETH_GSTRING_LEN;
1623                }
1624                for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1625                        snprintf(p, ETH_GSTRING_LEN,
1626                                 "port.tx_priority_%d_xon", i);
1627                        p += ETH_GSTRING_LEN;
1628                        snprintf(p, ETH_GSTRING_LEN,
1629                                 "port.tx_priority_%d_xoff", i);
1630                        p += ETH_GSTRING_LEN;
1631                }
1632                for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1633                        snprintf(p, ETH_GSTRING_LEN,
1634                                 "port.rx_priority_%d_xon", i);
1635                        p += ETH_GSTRING_LEN;
1636                        snprintf(p, ETH_GSTRING_LEN,
1637                                 "port.rx_priority_%d_xoff", i);
1638                        p += ETH_GSTRING_LEN;
1639                }
1640                for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1641                        snprintf(p, ETH_GSTRING_LEN,
1642                                 "port.rx_priority_%d_xon_2_xoff", i);
1643                        p += ETH_GSTRING_LEN;
1644                }
1645                /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
1646                break;
1647        case ETH_SS_PRIV_FLAGS:
1648                memcpy(data, i40e_priv_flags_strings,
1649                       I40E_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
1650                data += I40E_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN;
1651                if (pf->hw.pf_id == 0)
1652                        memcpy(data, i40e_gl_priv_flags_strings,
1653                               I40E_GL_PRIV_FLAGS_STR_LEN * ETH_GSTRING_LEN);
1654                break;
1655        default:
1656                break;
1657        }
1658}
1659
1660static int i40e_get_ts_info(struct net_device *dev,
1661                            struct ethtool_ts_info *info)
1662{
1663        struct i40e_pf *pf = i40e_netdev_to_pf(dev);
1664
1665        /* only report HW timestamping if PTP is enabled */
1666        if (!(pf->flags & I40E_FLAG_PTP))
1667                return ethtool_op_get_ts_info(dev, info);
1668
1669        info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1670                                SOF_TIMESTAMPING_RX_SOFTWARE |
1671                                SOF_TIMESTAMPING_SOFTWARE |
1672                                SOF_TIMESTAMPING_TX_HARDWARE |
1673                                SOF_TIMESTAMPING_RX_HARDWARE |
1674                                SOF_TIMESTAMPING_RAW_HARDWARE;
1675
1676        if (pf->ptp_clock)
1677                info->phc_index = ptp_clock_index(pf->ptp_clock);
1678        else
1679                info->phc_index = -1;
1680
1681        info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
1682
1683        info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1684                           BIT(HWTSTAMP_FILTER_PTP_V2_L2_EVENT) |
1685                           BIT(HWTSTAMP_FILTER_PTP_V2_L2_SYNC) |
1686                           BIT(HWTSTAMP_FILTER_PTP_V2_L2_DELAY_REQ);
1687
1688        if (pf->flags & I40E_FLAG_PTP_L4_CAPABLE)
1689                info->rx_filters |= BIT(HWTSTAMP_FILTER_PTP_V1_L4_SYNC) |
1690                                    BIT(HWTSTAMP_FILTER_PTP_V1_L4_DELAY_REQ) |
1691                                    BIT(HWTSTAMP_FILTER_PTP_V2_EVENT) |
1692                                    BIT(HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
1693                                    BIT(HWTSTAMP_FILTER_PTP_V2_SYNC) |
1694                                    BIT(HWTSTAMP_FILTER_PTP_V2_L4_SYNC) |
1695                                    BIT(HWTSTAMP_FILTER_PTP_V2_DELAY_REQ) |
1696                                    BIT(HWTSTAMP_FILTER_PTP_V2_L4_DELAY_REQ);
1697
1698        return 0;
1699}
1700
1701static int i40e_link_test(struct net_device *netdev, u64 *data)
1702{
1703        struct i40e_netdev_priv *np = netdev_priv(netdev);
1704        struct i40e_pf *pf = np->vsi->back;
1705        i40e_status status;
1706        bool link_up = false;
1707
1708        netif_info(pf, hw, netdev, "link test\n");
1709        status = i40e_get_link_status(&pf->hw, &link_up);
1710        if (status) {
1711                netif_err(pf, drv, netdev, "link query timed out, please retry test\n");
1712                *data = 1;
1713                return *data;
1714        }
1715
1716        if (link_up)
1717                *data = 0;
1718        else
1719                *data = 1;
1720
1721        return *data;
1722}
1723
1724static int i40e_reg_test(struct net_device *netdev, u64 *data)
1725{
1726        struct i40e_netdev_priv *np = netdev_priv(netdev);
1727        struct i40e_pf *pf = np->vsi->back;
1728
1729        netif_info(pf, hw, netdev, "register test\n");
1730        *data = i40e_diag_reg_test(&pf->hw);
1731
1732        return *data;
1733}
1734
1735static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
1736{
1737        struct i40e_netdev_priv *np = netdev_priv(netdev);
1738        struct i40e_pf *pf = np->vsi->back;
1739
1740        netif_info(pf, hw, netdev, "eeprom test\n");
1741        *data = i40e_diag_eeprom_test(&pf->hw);
1742
1743        /* forcebly clear the NVM Update state machine */
1744        pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;
1745
1746        return *data;
1747}
1748
1749static int i40e_intr_test(struct net_device *netdev, u64 *data)
1750{
1751        struct i40e_netdev_priv *np = netdev_priv(netdev);
1752        struct i40e_pf *pf = np->vsi->back;
1753        u16 swc_old = pf->sw_int_count;
1754
1755        netif_info(pf, hw, netdev, "interrupt test\n");
1756        wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
1757             (I40E_PFINT_DYN_CTL0_INTENA_MASK |
1758              I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
1759              I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
1760              I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
1761              I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
1762        usleep_range(1000, 2000);
1763        *data = (swc_old == pf->sw_int_count);
1764
1765        return *data;
1766}
1767
1768static inline bool i40e_active_vfs(struct i40e_pf *pf)
1769{
1770        struct i40e_vf *vfs = pf->vf;
1771        int i;
1772
1773        for (i = 0; i < pf->num_alloc_vfs; i++)
1774                if (test_bit(I40E_VF_STAT_ACTIVE, &vfs[i].vf_states))
1775                        return true;
1776        return false;
1777}
1778
1779static inline bool i40e_active_vmdqs(struct i40e_pf *pf)
1780{
1781        return !!i40e_find_vsi_by_type(pf, I40E_VSI_VMDQ2);
1782}
1783
1784static void i40e_diag_test(struct net_device *netdev,
1785                           struct ethtool_test *eth_test, u64 *data)
1786{
1787        struct i40e_netdev_priv *np = netdev_priv(netdev);
1788        bool if_running = netif_running(netdev);
1789        struct i40e_pf *pf = np->vsi->back;
1790
1791        if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1792                /* Offline tests */
1793                netif_info(pf, drv, netdev, "offline testing starting\n");
1794
1795                set_bit(__I40E_TESTING, &pf->state);
1796
1797                if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) {
1798                        dev_warn(&pf->pdev->dev,
1799                                 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1800                        data[I40E_ETH_TEST_REG]         = 1;
1801                        data[I40E_ETH_TEST_EEPROM]      = 1;
1802                        data[I40E_ETH_TEST_INTR]        = 1;
1803                        data[I40E_ETH_TEST_LINK]        = 1;
1804                        eth_test->flags |= ETH_TEST_FL_FAILED;
1805                        clear_bit(__I40E_TESTING, &pf->state);
1806                        goto skip_ol_tests;
1807                }
1808
1809                /* If the device is online then take it offline */
1810                if (if_running)
1811                        /* indicate we're in test mode */
1812                        i40e_close(netdev);
1813                else
1814                        /* This reset does not affect link - if it is
1815                         * changed to a type of reset that does affect
1816                         * link then the following link test would have
1817                         * to be moved to before the reset
1818                         */
1819                        i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1820
1821                if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1822                        eth_test->flags |= ETH_TEST_FL_FAILED;
1823
1824                if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
1825                        eth_test->flags |= ETH_TEST_FL_FAILED;
1826
1827                if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
1828                        eth_test->flags |= ETH_TEST_FL_FAILED;
1829
1830                /* run reg test last, a reset is required after it */
1831                if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
1832                        eth_test->flags |= ETH_TEST_FL_FAILED;
1833
1834                clear_bit(__I40E_TESTING, &pf->state);
1835                i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1836
1837                if (if_running)
1838                        i40e_open(netdev);
1839        } else {
1840                /* Online tests */
1841                netif_info(pf, drv, netdev, "online testing starting\n");
1842
1843                if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1844                        eth_test->flags |= ETH_TEST_FL_FAILED;
1845
1846                /* Offline only tests, not run in online; pass by default */
1847                data[I40E_ETH_TEST_REG] = 0;
1848                data[I40E_ETH_TEST_EEPROM] = 0;
1849                data[I40E_ETH_TEST_INTR] = 0;
1850        }
1851
1852skip_ol_tests:
1853
1854        netif_info(pf, drv, netdev, "testing finished\n");
1855}
1856
1857static void i40e_get_wol(struct net_device *netdev,
1858                         struct ethtool_wolinfo *wol)
1859{
1860        struct i40e_netdev_priv *np = netdev_priv(netdev);
1861        struct i40e_pf *pf = np->vsi->back;
1862        struct i40e_hw *hw = &pf->hw;
1863        u16 wol_nvm_bits;
1864
1865        /* NVM bit on means WoL disabled for the port */
1866        i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1867        if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) {
1868                wol->supported = 0;
1869                wol->wolopts = 0;
1870        } else {
1871                wol->supported = WAKE_MAGIC;
1872                wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
1873        }
1874}
1875
1876/**
1877 * i40e_set_wol - set the WakeOnLAN configuration
1878 * @netdev: the netdev in question
1879 * @wol: the ethtool WoL setting data
1880 **/
1881static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1882{
1883        struct i40e_netdev_priv *np = netdev_priv(netdev);
1884        struct i40e_pf *pf = np->vsi->back;
1885        struct i40e_vsi *vsi = np->vsi;
1886        struct i40e_hw *hw = &pf->hw;
1887        u16 wol_nvm_bits;
1888
1889        /* WoL not supported if this isn't the controlling PF on the port */
1890        if (hw->partition_id != 1) {
1891                i40e_partition_setting_complaint(pf);
1892                return -EOPNOTSUPP;
1893        }
1894
1895        if (vsi != pf->vsi[pf->lan_vsi])
1896                return -EOPNOTSUPP;
1897
1898        /* NVM bit on means WoL disabled for the port */
1899        i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1900        if (BIT(hw->port) & wol_nvm_bits)
1901                return -EOPNOTSUPP;
1902
1903        /* only magic packet is supported */
1904        if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
1905                return -EOPNOTSUPP;
1906
1907        /* is this a new value? */
1908        if (pf->wol_en != !!wol->wolopts) {
1909                pf->wol_en = !!wol->wolopts;
1910                device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
1911        }
1912
1913        return 0;
1914}
1915
1916static int i40e_set_phys_id(struct net_device *netdev,
1917                            enum ethtool_phys_id_state state)
1918{
1919        struct i40e_netdev_priv *np = netdev_priv(netdev);
1920        i40e_status ret = 0;
1921        struct i40e_pf *pf = np->vsi->back;
1922        struct i40e_hw *hw = &pf->hw;
1923        int blink_freq = 2;
1924        u16 temp_status;
1925
1926        switch (state) {
1927        case ETHTOOL_ID_ACTIVE:
1928                if (!(pf->flags & I40E_FLAG_PHY_CONTROLS_LEDS)) {
1929                        pf->led_status = i40e_led_get(hw);
1930                } else {
1931                        i40e_aq_set_phy_debug(hw, I40E_PHY_DEBUG_ALL, NULL);
1932                        ret = i40e_led_get_phy(hw, &temp_status,
1933                                               &pf->phy_led_val);
1934                        pf->led_status = temp_status;
1935                }
1936                return blink_freq;
1937        case ETHTOOL_ID_ON:
1938                if (!(pf->flags & I40E_FLAG_PHY_CONTROLS_LEDS))
1939                        i40e_led_set(hw, 0xf, false);
1940                else
1941                        ret = i40e_led_set_phy(hw, true, pf->led_status, 0);
1942                break;
1943        case ETHTOOL_ID_OFF:
1944                if (!(pf->flags & I40E_FLAG_PHY_CONTROLS_LEDS))
1945                        i40e_led_set(hw, 0x0, false);
1946                else
1947                        ret = i40e_led_set_phy(hw, false, pf->led_status, 0);
1948                break;
1949        case ETHTOOL_ID_INACTIVE:
1950                if (!(pf->flags & I40E_FLAG_PHY_CONTROLS_LEDS)) {
1951                        i40e_led_set(hw, pf->led_status, false);
1952                } else {
1953                        ret = i40e_led_set_phy(hw, false, pf->led_status,
1954                                               (pf->phy_led_val |
1955                                               I40E_PHY_LED_MODE_ORIG));
1956                        i40e_aq_set_phy_debug(hw, 0, NULL);
1957                }
1958                break;
1959        default:
1960                break;
1961        }
1962                if (ret)
1963                        return -ENOENT;
1964                else
1965                        return 0;
1966}
1967
1968/* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
1969 * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
1970 * 125us (8000 interrupts per second) == ITR(62)
1971 */
1972
1973/**
1974 * __i40e_get_coalesce - get per-queue coalesce settings
1975 * @netdev: the netdev to check
1976 * @ec: ethtool coalesce data structure
1977 * @queue: which queue to pick
1978 *
1979 * Gets the per-queue settings for coalescence. Specifically Rx and Tx usecs
1980 * are per queue. If queue is <0 then we default to queue 0 as the
1981 * representative value.
1982 **/
1983static int __i40e_get_coalesce(struct net_device *netdev,
1984                               struct ethtool_coalesce *ec,
1985                               int queue)
1986{
1987        struct i40e_netdev_priv *np = netdev_priv(netdev);
1988        struct i40e_ring *rx_ring, *tx_ring;
1989        struct i40e_vsi *vsi = np->vsi;
1990
1991        ec->tx_max_coalesced_frames_irq = vsi->work_limit;
1992        ec->rx_max_coalesced_frames_irq = vsi->work_limit;
1993
1994        /* rx and tx usecs has per queue value. If user doesn't specify the queue,
1995         * return queue 0's value to represent.
1996         */
1997        if (queue < 0) {
1998                queue = 0;
1999        } else if (queue >= vsi->num_queue_pairs) {
2000                return -EINVAL;
2001        }
2002
2003        rx_ring = vsi->rx_rings[queue];
2004        tx_ring = vsi->tx_rings[queue];
2005
2006        if (ITR_IS_DYNAMIC(rx_ring->rx_itr_setting))
2007                ec->use_adaptive_rx_coalesce = 1;
2008
2009        if (ITR_IS_DYNAMIC(tx_ring->tx_itr_setting))
2010                ec->use_adaptive_tx_coalesce = 1;
2011
2012        ec->rx_coalesce_usecs = rx_ring->rx_itr_setting & ~I40E_ITR_DYNAMIC;
2013        ec->tx_coalesce_usecs = tx_ring->tx_itr_setting & ~I40E_ITR_DYNAMIC;
2014
2015
2016        /* we use the _usecs_high to store/set the interrupt rate limit
2017         * that the hardware supports, that almost but not quite
2018         * fits the original intent of the ethtool variable,
2019         * the rx_coalesce_usecs_high limits total interrupts
2020         * per second from both tx/rx sources.
2021         */
2022        ec->rx_coalesce_usecs_high = vsi->int_rate_limit;
2023        ec->tx_coalesce_usecs_high = vsi->int_rate_limit;
2024
2025        return 0;
2026}
2027
2028/**
2029 * i40e_get_coalesce - get a netdev's coalesce settings
2030 * @netdev: the netdev to check
2031 * @ec: ethtool coalesce data structure
2032 *
2033 * Gets the coalesce settings for a particular netdev. Note that if user has
2034 * modified per-queue settings, this only guarantees to represent queue 0. See
2035 * __i40e_get_coalesce for more details.
2036 **/
2037static int i40e_get_coalesce(struct net_device *netdev,
2038                             struct ethtool_coalesce *ec)
2039{
2040        return __i40e_get_coalesce(netdev, ec, -1);
2041}
2042
2043/**
2044 * i40e_get_per_queue_coalesce - gets coalesce settings for particular queue
2045 * @netdev: netdev structure
2046 * @ec: ethtool's coalesce settings
2047 * @queue: the particular queue to read
2048 *
2049 * Will read a specific queue's coalesce settings
2050 **/
2051static int i40e_get_per_queue_coalesce(struct net_device *netdev, u32 queue,
2052                                       struct ethtool_coalesce *ec)
2053{
2054        return __i40e_get_coalesce(netdev, ec, queue);
2055}
2056
2057/**
2058 * i40e_set_itr_per_queue - set ITR values for specific queue
2059 * @vsi: the VSI to set values for
2060 * @ec: coalesce settings from ethtool
2061 * @queue: the queue to modify
2062 *
2063 * Change the ITR settings for a specific queue.
2064 **/
2065
2066static void i40e_set_itr_per_queue(struct i40e_vsi *vsi,
2067                                   struct ethtool_coalesce *ec,
2068                                   int queue)
2069{
2070        struct i40e_pf *pf = vsi->back;
2071        struct i40e_hw *hw = &pf->hw;
2072        struct i40e_q_vector *q_vector;
2073        u16 vector, intrl;
2074
2075        intrl = INTRL_USEC_TO_REG(vsi->int_rate_limit);
2076
2077        vsi->rx_rings[queue]->rx_itr_setting = ec->rx_coalesce_usecs;
2078        vsi->tx_rings[queue]->tx_itr_setting = ec->tx_coalesce_usecs;
2079
2080        if (ec->use_adaptive_rx_coalesce)
2081                vsi->rx_rings[queue]->rx_itr_setting |= I40E_ITR_DYNAMIC;
2082        else
2083                vsi->rx_rings[queue]->rx_itr_setting &= ~I40E_ITR_DYNAMIC;
2084
2085        if (ec->use_adaptive_tx_coalesce)
2086                vsi->tx_rings[queue]->tx_itr_setting |= I40E_ITR_DYNAMIC;
2087        else
2088                vsi->tx_rings[queue]->tx_itr_setting &= ~I40E_ITR_DYNAMIC;
2089
2090        q_vector = vsi->rx_rings[queue]->q_vector;
2091        q_vector->rx.itr = ITR_TO_REG(vsi->rx_rings[queue]->rx_itr_setting);
2092        vector = vsi->base_vector + q_vector->v_idx;
2093        wr32(hw, I40E_PFINT_ITRN(I40E_RX_ITR, vector - 1), q_vector->rx.itr);
2094
2095        q_vector = vsi->tx_rings[queue]->q_vector;
2096        q_vector->tx.itr = ITR_TO_REG(vsi->tx_rings[queue]->tx_itr_setting);
2097        vector = vsi->base_vector + q_vector->v_idx;
2098        wr32(hw, I40E_PFINT_ITRN(I40E_TX_ITR, vector - 1), q_vector->tx.itr);
2099
2100        wr32(hw, I40E_PFINT_RATEN(vector - 1), intrl);
2101        i40e_flush(hw);
2102}
2103
2104/**
2105 * __i40e_set_coalesce - set coalesce settings for particular queue
2106 * @netdev: the netdev to change
2107 * @ec: ethtool coalesce settings
2108 * @queue: the queue to change
2109 *
2110 * Sets the coalesce settings for a particular queue.
2111 **/
2112static int __i40e_set_coalesce(struct net_device *netdev,
2113                               struct ethtool_coalesce *ec,
2114                               int queue)
2115{
2116        struct i40e_netdev_priv *np = netdev_priv(netdev);
2117        struct i40e_vsi *vsi = np->vsi;
2118        struct i40e_pf *pf = vsi->back;
2119        int i;
2120
2121        if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
2122                vsi->work_limit = ec->tx_max_coalesced_frames_irq;
2123
2124        /* tx_coalesce_usecs_high is ignored, use rx-usecs-high instead */
2125        if (ec->tx_coalesce_usecs_high != vsi->int_rate_limit) {
2126                netif_info(pf, drv, netdev, "tx-usecs-high is not used, please program rx-usecs-high\n");
2127                return -EINVAL;
2128        }
2129
2130        if (ec->rx_coalesce_usecs_high >= INTRL_REG_TO_USEC(I40E_MAX_INTRL)) {
2131                netif_info(pf, drv, netdev, "Invalid value, rx-usecs-high range is 0-235\n");
2132                return -EINVAL;
2133        }
2134
2135        if (ec->rx_coalesce_usecs == 0) {
2136                if (ec->use_adaptive_rx_coalesce)
2137                        netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
2138        } else if ((ec->rx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
2139                   (ec->rx_coalesce_usecs > (I40E_MAX_ITR << 1))) {
2140                        netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
2141                        return -EINVAL;
2142        }
2143
2144        vsi->int_rate_limit = ec->rx_coalesce_usecs_high;
2145
2146        if (ec->tx_coalesce_usecs == 0) {
2147                if (ec->use_adaptive_tx_coalesce)
2148                        netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
2149        } else if ((ec->tx_coalesce_usecs < (I40E_MIN_ITR << 1)) ||
2150                   (ec->tx_coalesce_usecs > (I40E_MAX_ITR << 1))) {
2151                        netif_info(pf, drv, netdev, "Invalid value, tx-usecs range is 0-8160\n");
2152                        return -EINVAL;
2153        }
2154
2155        /* rx and tx usecs has per queue value. If user doesn't specify the queue,
2156         * apply to all queues.
2157         */
2158        if (queue < 0) {
2159                for (i = 0; i < vsi->num_queue_pairs; i++)
2160                        i40e_set_itr_per_queue(vsi, ec, i);
2161        } else if (queue < vsi->num_queue_pairs) {
2162                i40e_set_itr_per_queue(vsi, ec, queue);
2163        } else {
2164                netif_info(pf, drv, netdev, "Invalid queue value, queue range is 0 - %d\n",
2165                           vsi->num_queue_pairs - 1);
2166                return -EINVAL;
2167        }
2168
2169        return 0;
2170}
2171
2172/**
2173 * i40e_set_coalesce - set coalesce settings for every queue on the netdev
2174 * @netdev: the netdev to change
2175 * @ec: ethtool coalesce settings
2176 *
2177 * This will set each queue to the same coalesce settings.
2178 **/
2179static int i40e_set_coalesce(struct net_device *netdev,
2180                             struct ethtool_coalesce *ec)
2181{
2182        return __i40e_set_coalesce(netdev, ec, -1);
2183}
2184
2185/**
2186 * i40e_set_per_queue_coalesce - set specific queue's coalesce settings
2187 * @netdev: the netdev to change
2188 * @ec: ethtool's coalesce settings
2189 * @queue: the queue to change
2190 *
2191 * Sets the specified queue's coalesce settings.
2192 **/
2193static int i40e_set_per_queue_coalesce(struct net_device *netdev, u32 queue,
2194                                       struct ethtool_coalesce *ec)
2195{
2196        return __i40e_set_coalesce(netdev, ec, queue);
2197}
2198
2199/**
2200 * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
2201 * @pf: pointer to the physical function struct
2202 * @cmd: ethtool rxnfc command
2203 *
2204 * Returns Success if the flow is supported, else Invalid Input.
2205 **/
2206static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
2207{
2208        struct i40e_hw *hw = &pf->hw;
2209        u8 flow_pctype = 0;
2210        u64 i_set = 0;
2211
2212        cmd->data = 0;
2213
2214        switch (cmd->flow_type) {
2215        case TCP_V4_FLOW:
2216                flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
2217                break;
2218        case UDP_V4_FLOW:
2219                flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
2220                break;
2221        case TCP_V6_FLOW:
2222                flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_TCP;
2223                break;
2224        case UDP_V6_FLOW:
2225                flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_UDP;
2226                break;
2227        case SCTP_V4_FLOW:
2228        case AH_ESP_V4_FLOW:
2229        case AH_V4_FLOW:
2230        case ESP_V4_FLOW:
2231        case IPV4_FLOW:
2232        case SCTP_V6_FLOW:
2233        case AH_ESP_V6_FLOW:
2234        case AH_V6_FLOW:
2235        case ESP_V6_FLOW:
2236        case IPV6_FLOW:
2237                /* Default is src/dest for IP, no matter the L4 hashing */
2238                cmd->data |= RXH_IP_SRC | RXH_IP_DST;
2239                break;
2240        default:
2241                return -EINVAL;
2242        }
2243
2244        /* Read flow based hash input set register */
2245        if (flow_pctype) {
2246                i_set = (u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0,
2247                                              flow_pctype)) |
2248                        ((u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1,
2249                                               flow_pctype)) << 32);
2250        }
2251
2252        /* Process bits of hash input set */
2253        if (i_set) {
2254                if (i_set & I40E_L4_SRC_MASK)
2255                        cmd->data |= RXH_L4_B_0_1;
2256                if (i_set & I40E_L4_DST_MASK)
2257                        cmd->data |= RXH_L4_B_2_3;
2258
2259                if (cmd->flow_type == TCP_V4_FLOW ||
2260                    cmd->flow_type == UDP_V4_FLOW) {
2261                        if (i_set & I40E_L3_SRC_MASK)
2262                                cmd->data |= RXH_IP_SRC;
2263                        if (i_set & I40E_L3_DST_MASK)
2264                                cmd->data |= RXH_IP_DST;
2265                } else if (cmd->flow_type == TCP_V6_FLOW ||
2266                          cmd->flow_type == UDP_V6_FLOW) {
2267                        if (i_set & I40E_L3_V6_SRC_MASK)
2268                                cmd->data |= RXH_IP_SRC;
2269                        if (i_set & I40E_L3_V6_DST_MASK)
2270                                cmd->data |= RXH_IP_DST;
2271                }
2272        }
2273
2274        return 0;
2275}
2276
2277/**
2278 * i40e_get_ethtool_fdir_all - Populates the rule count of a command
2279 * @pf: Pointer to the physical function struct
2280 * @cmd: The command to get or set Rx flow classification rules
2281 * @rule_locs: Array of used rule locations
2282 *
2283 * This function populates both the total and actual rule count of
2284 * the ethtool flow classification command
2285 *
2286 * Returns 0 on success or -EMSGSIZE if entry not found
2287 **/
2288static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
2289                                     struct ethtool_rxnfc *cmd,
2290                                     u32 *rule_locs)
2291{
2292        struct i40e_fdir_filter *rule;
2293        struct hlist_node *node2;
2294        int cnt = 0;
2295
2296        /* report total rule count */
2297        cmd->data = i40e_get_fd_cnt_all(pf);
2298
2299        hlist_for_each_entry_safe(rule, node2,
2300                                  &pf->fdir_filter_list, fdir_node) {
2301                if (cnt == cmd->rule_cnt)
2302                        return -EMSGSIZE;
2303
2304                rule_locs[cnt] = rule->fd_id;
2305                cnt++;
2306        }
2307
2308        cmd->rule_cnt = cnt;
2309
2310        return 0;
2311}
2312
2313/**
2314 * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
2315 * @pf: Pointer to the physical function struct
2316 * @cmd: The command to get or set Rx flow classification rules
2317 *
2318 * This function looks up a filter based on the Rx flow classification
2319 * command and fills the flow spec info for it if found
2320 *
2321 * Returns 0 on success or -EINVAL if filter not found
2322 **/
2323static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
2324                                       struct ethtool_rxnfc *cmd)
2325{
2326        struct ethtool_rx_flow_spec *fsp =
2327                        (struct ethtool_rx_flow_spec *)&cmd->fs;
2328        struct i40e_fdir_filter *rule = NULL;
2329        struct hlist_node *node2;
2330
2331        hlist_for_each_entry_safe(rule, node2,
2332                                  &pf->fdir_filter_list, fdir_node) {
2333                if (fsp->location <= rule->fd_id)
2334                        break;
2335        }
2336
2337        if (!rule || fsp->location != rule->fd_id)
2338                return -EINVAL;
2339
2340        fsp->flow_type = rule->flow_type;
2341        if (fsp->flow_type == IP_USER_FLOW) {
2342                fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
2343                fsp->h_u.usr_ip4_spec.proto = 0;
2344                fsp->m_u.usr_ip4_spec.proto = 0;
2345        }
2346
2347        /* Reverse the src and dest notion, since the HW views them from
2348         * Tx perspective where as the user expects it from Rx filter view.
2349         */
2350        fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
2351        fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
2352        fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0];
2353        fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0];
2354
2355        if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
2356                fsp->ring_cookie = RX_CLS_FLOW_DISC;
2357        else
2358                fsp->ring_cookie = rule->q_index;
2359
2360        if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) {
2361                struct i40e_vsi *vsi;
2362
2363                vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi);
2364                if (vsi && vsi->type == I40E_VSI_SRIOV) {
2365                        fsp->h_ext.data[1] = htonl(vsi->vf_id);
2366                        fsp->m_ext.data[1] = htonl(0x1);
2367                }
2368        }
2369
2370        return 0;
2371}
2372
2373/**
2374 * i40e_get_rxnfc - command to get RX flow classification rules
2375 * @netdev: network interface device structure
2376 * @cmd: ethtool rxnfc command
2377 *
2378 * Returns Success if the command is supported.
2379 **/
2380static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2381                          u32 *rule_locs)
2382{
2383        struct i40e_netdev_priv *np = netdev_priv(netdev);
2384        struct i40e_vsi *vsi = np->vsi;
2385        struct i40e_pf *pf = vsi->back;
2386        int ret = -EOPNOTSUPP;
2387
2388        switch (cmd->cmd) {
2389        case ETHTOOL_GRXRINGS:
2390                cmd->data = vsi->num_queue_pairs;
2391                ret = 0;
2392                break;
2393        case ETHTOOL_GRXFH:
2394                ret = i40e_get_rss_hash_opts(pf, cmd);
2395                break;
2396        case ETHTOOL_GRXCLSRLCNT:
2397                cmd->rule_cnt = pf->fdir_pf_active_filters;
2398                /* report total rule count */
2399                cmd->data = i40e_get_fd_cnt_all(pf);
2400                ret = 0;
2401                break;
2402        case ETHTOOL_GRXCLSRULE:
2403                ret = i40e_get_ethtool_fdir_entry(pf, cmd);
2404                break;
2405        case ETHTOOL_GRXCLSRLALL:
2406                ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
2407                break;
2408        default:
2409                break;
2410        }
2411
2412        return ret;
2413}
2414
2415/**
2416 * i40e_get_rss_hash_bits - Read RSS Hash bits from register
2417 * @nfc: pointer to user request
2418 * @i_setc bits currently set
2419 *
2420 * Returns value of bits to be set per user request
2421 **/
2422static u64 i40e_get_rss_hash_bits(struct ethtool_rxnfc *nfc, u64 i_setc)
2423{
2424        u64 i_set = i_setc;
2425        u64 src_l3 = 0, dst_l3 = 0;
2426
2427        if (nfc->data & RXH_L4_B_0_1)
2428                i_set |= I40E_L4_SRC_MASK;
2429        else
2430                i_set &= ~I40E_L4_SRC_MASK;
2431        if (nfc->data & RXH_L4_B_2_3)
2432                i_set |= I40E_L4_DST_MASK;
2433        else
2434                i_set &= ~I40E_L4_DST_MASK;
2435
2436        if (nfc->flow_type == TCP_V6_FLOW || nfc->flow_type == UDP_V6_FLOW) {
2437                src_l3 = I40E_L3_V6_SRC_MASK;
2438                dst_l3 = I40E_L3_V6_DST_MASK;
2439        } else if (nfc->flow_type == TCP_V4_FLOW ||
2440                  nfc->flow_type == UDP_V4_FLOW) {
2441                src_l3 = I40E_L3_SRC_MASK;
2442                dst_l3 = I40E_L3_DST_MASK;
2443        } else {
2444                /* Any other flow type are not supported here */
2445                return i_set;
2446        }
2447
2448        if (nfc->data & RXH_IP_SRC)
2449                i_set |= src_l3;
2450        else
2451                i_set &= ~src_l3;
2452        if (nfc->data & RXH_IP_DST)
2453                i_set |= dst_l3;
2454        else
2455                i_set &= ~dst_l3;
2456
2457        return i_set;
2458}
2459
2460/**
2461 * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2462 * @pf: pointer to the physical function struct
2463 * @cmd: ethtool rxnfc command
2464 *
2465 * Returns Success if the flow input set is supported.
2466 **/
2467static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
2468{
2469        struct i40e_hw *hw = &pf->hw;
2470        u64 hena = (u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(0)) |
2471                   ((u64)i40e_read_rx_ctl(hw, I40E_PFQF_HENA(1)) << 32);
2472        u8 flow_pctype = 0;
2473        u64 i_set, i_setc;
2474
2475        /* RSS does not support anything other than hashing
2476         * to queues on src and dst IPs and ports
2477         */
2478        if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2479                          RXH_L4_B_0_1 | RXH_L4_B_2_3))
2480                return -EINVAL;
2481
2482        switch (nfc->flow_type) {
2483        case TCP_V4_FLOW:
2484                flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_TCP;
2485                if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
2486                        hena |=
2487                          BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK);
2488                break;
2489        case TCP_V6_FLOW:
2490                flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_TCP;
2491                if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
2492                        hena |=
2493                          BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK);
2494                if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
2495                        hena |=
2496                          BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP_SYN_NO_ACK);
2497                break;
2498        case UDP_V4_FLOW:
2499                flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV4_UDP;
2500                if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
2501                        hena |=
2502                          BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP) |
2503                          BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP);
2504
2505                hena |= BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
2506                break;
2507        case UDP_V6_FLOW:
2508                flow_pctype = I40E_FILTER_PCTYPE_NONF_IPV6_UDP;
2509                if (pf->flags & I40E_FLAG_MULTIPLE_TCP_UDP_RSS_PCTYPE)
2510                        hena |=
2511                          BIT_ULL(I40E_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP) |
2512                          BIT_ULL(I40E_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP);
2513
2514                hena |= BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
2515                break;
2516        case AH_ESP_V4_FLOW:
2517        case AH_V4_FLOW:
2518        case ESP_V4_FLOW:
2519        case SCTP_V4_FLOW:
2520                if ((nfc->data & RXH_L4_B_0_1) ||
2521                    (nfc->data & RXH_L4_B_2_3))
2522                        return -EINVAL;
2523                hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
2524                break;
2525        case AH_ESP_V6_FLOW:
2526        case AH_V6_FLOW:
2527        case ESP_V6_FLOW:
2528        case SCTP_V6_FLOW:
2529                if ((nfc->data & RXH_L4_B_0_1) ||
2530                    (nfc->data & RXH_L4_B_2_3))
2531                        return -EINVAL;
2532                hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
2533                break;
2534        case IPV4_FLOW:
2535                hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
2536                        BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
2537                break;
2538        case IPV6_FLOW:
2539                hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
2540                        BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
2541                break;
2542        default:
2543                return -EINVAL;
2544        }
2545
2546        if (flow_pctype) {
2547                i_setc = (u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(0,
2548                                               flow_pctype)) |
2549                        ((u64)i40e_read_rx_ctl(hw, I40E_GLQF_HASH_INSET(1,
2550                                               flow_pctype)) << 32);
2551                i_set = i40e_get_rss_hash_bits(nfc, i_setc);
2552                i40e_write_rx_ctl(hw, I40E_GLQF_HASH_INSET(0, flow_pctype),
2553                                  (u32)i_set);
2554                i40e_write_rx_ctl(hw, I40E_GLQF_HASH_INSET(1, flow_pctype),
2555                                  (u32)(i_set >> 32));
2556                hena |= BIT_ULL(flow_pctype);
2557        }
2558
2559        i40e_write_rx_ctl(hw, I40E_PFQF_HENA(0), (u32)hena);
2560        i40e_write_rx_ctl(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
2561        i40e_flush(hw);
2562
2563        return 0;
2564}
2565
2566/**
2567 * i40e_match_fdir_input_set - Match a new filter against an existing one
2568 * @rule: The filter already added
2569 * @input: The new filter to comapre against
2570 *
2571 * Returns true if the two input set match
2572 **/
2573static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule,
2574                                      struct i40e_fdir_filter *input)
2575{
2576        if ((rule->dst_ip[0] != input->dst_ip[0]) ||
2577            (rule->src_ip[0] != input->src_ip[0]) ||
2578            (rule->dst_port != input->dst_port) ||
2579            (rule->src_port != input->src_port))
2580                return false;
2581        return true;
2582}
2583
2584/**
2585 * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
2586 * @vsi: Pointer to the targeted VSI
2587 * @input: The filter to update or NULL to indicate deletion
2588 * @sw_idx: Software index to the filter
2589 * @cmd: The command to get or set Rx flow classification rules
2590 *
2591 * This function updates (or deletes) a Flow Director entry from
2592 * the hlist of the corresponding PF
2593 *
2594 * Returns 0 on success
2595 **/
2596static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
2597                                          struct i40e_fdir_filter *input,
2598                                          u16 sw_idx,
2599                                          struct ethtool_rxnfc *cmd)
2600{
2601        struct i40e_fdir_filter *rule, *parent;
2602        struct i40e_pf *pf = vsi->back;
2603        struct hlist_node *node2;
2604        int err = -EINVAL;
2605
2606        parent = NULL;
2607        rule = NULL;
2608
2609        hlist_for_each_entry_safe(rule, node2,
2610                                  &pf->fdir_filter_list, fdir_node) {
2611                /* hash found, or no matching entry */
2612                if (rule->fd_id >= sw_idx)
2613                        break;
2614                parent = rule;
2615        }
2616
2617        /* if there is an old rule occupying our place remove it */
2618        if (rule && (rule->fd_id == sw_idx)) {
2619                if (input && !i40e_match_fdir_input_set(rule, input))
2620                        err = i40e_add_del_fdir(vsi, rule, false);
2621                else if (!input)
2622                        err = i40e_add_del_fdir(vsi, rule, false);
2623                hlist_del(&rule->fdir_node);
2624                kfree(rule);
2625                pf->fdir_pf_active_filters--;
2626        }
2627
2628        /* If no input this was a delete, err should be 0 if a rule was
2629         * successfully found and removed from the list else -EINVAL
2630         */
2631        if (!input)
2632                return err;
2633
2634        /* initialize node and set software index */
2635        INIT_HLIST_NODE(&input->fdir_node);
2636
2637        /* add filter to the list */
2638        if (parent)
2639                hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2640        else
2641                hlist_add_head(&input->fdir_node,
2642                               &pf->fdir_filter_list);
2643
2644        /* update counts */
2645        pf->fdir_pf_active_filters++;
2646
2647        return 0;
2648}
2649
2650/**
2651 * i40e_del_fdir_entry - Deletes a Flow Director filter entry
2652 * @vsi: Pointer to the targeted VSI
2653 * @cmd: The command to get or set Rx flow classification rules
2654 *
2655 * The function removes a Flow Director filter entry from the
2656 * hlist of the corresponding PF
2657 *
2658 * Returns 0 on success
2659 */
2660static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
2661                               struct ethtool_rxnfc *cmd)
2662{
2663        struct ethtool_rx_flow_spec *fsp =
2664                (struct ethtool_rx_flow_spec *)&cmd->fs;
2665        struct i40e_pf *pf = vsi->back;
2666        int ret = 0;
2667
2668        if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2669            test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2670                return -EBUSY;
2671
2672        if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2673                return -EBUSY;
2674
2675        ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
2676
2677        i40e_fdir_check_and_reenable(pf);
2678        return ret;
2679}
2680
2681/**
2682 * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
2683 * @vsi: pointer to the targeted VSI
2684 * @cmd: command to get or set RX flow classification rules
2685 *
2686 * Add Flow Director filters for a specific flow spec based on their
2687 * protocol.  Returns 0 if the filters were successfully added.
2688 **/
2689static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
2690                                 struct ethtool_rxnfc *cmd)
2691{
2692        struct ethtool_rx_flow_spec *fsp;
2693        struct i40e_fdir_filter *input;
2694        struct i40e_pf *pf;
2695        int ret = -EINVAL;
2696        u16 vf_id;
2697
2698        if (!vsi)
2699                return -EINVAL;
2700        pf = vsi->back;
2701
2702        if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
2703                return -EOPNOTSUPP;
2704
2705        if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)
2706                return -ENOSPC;
2707
2708        if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2709            test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2710                return -EBUSY;
2711
2712        if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2713                return -EBUSY;
2714
2715        fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
2716
2717        if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
2718                              pf->hw.func_caps.fd_filters_guaranteed)) {
2719                return -EINVAL;
2720        }
2721
2722        if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2723            (fsp->ring_cookie >= vsi->num_queue_pairs))
2724                return -EINVAL;
2725
2726        input = kzalloc(sizeof(*input), GFP_KERNEL);
2727
2728        if (!input)
2729                return -ENOMEM;
2730
2731        input->fd_id = fsp->location;
2732
2733        if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2734                input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
2735        else
2736                input->dest_ctl =
2737                             I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
2738
2739        input->q_index = fsp->ring_cookie;
2740        input->flex_off = 0;
2741        input->pctype = 0;
2742        input->dest_vsi = vsi->id;
2743        input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
2744        input->cnt_index  = I40E_FD_SB_STAT_IDX(pf->hw.pf_id);
2745        input->flow_type = fsp->flow_type;
2746        input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
2747
2748        /* Reverse the src and dest notion, since the HW expects them to be from
2749         * Tx perspective where as the input from user is from Rx filter view.
2750         */
2751        input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
2752        input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
2753        input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2754        input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2755
2756        if (ntohl(fsp->m_ext.data[1])) {
2757                vf_id = ntohl(fsp->h_ext.data[1]);
2758                if (vf_id >= pf->num_alloc_vfs) {
2759                        netif_info(pf, drv, vsi->netdev,
2760                                   "Invalid VF id %d\n", vf_id);
2761                        goto free_input;
2762                }
2763                /* Find vsi id from vf id and override dest vsi */
2764                input->dest_vsi = pf->vf[vf_id].lan_vsi_id;
2765                if (input->q_index >= pf->vf[vf_id].num_queue_pairs) {
2766                        netif_info(pf, drv, vsi->netdev,
2767                                   "Invalid queue id %d for VF %d\n",
2768                                   input->q_index, vf_id);
2769                        goto free_input;
2770                }
2771        }
2772
2773        ret = i40e_add_del_fdir(vsi, input, true);
2774free_input:
2775        if (ret)
2776                kfree(input);
2777        else
2778                i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
2779
2780        return ret;
2781}
2782
2783/**
2784 * i40e_set_rxnfc - command to set RX flow classification rules
2785 * @netdev: network interface device structure
2786 * @cmd: ethtool rxnfc command
2787 *
2788 * Returns Success if the command is supported.
2789 **/
2790static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2791{
2792        struct i40e_netdev_priv *np = netdev_priv(netdev);
2793        struct i40e_vsi *vsi = np->vsi;
2794        struct i40e_pf *pf = vsi->back;
2795        int ret = -EOPNOTSUPP;
2796
2797        switch (cmd->cmd) {
2798        case ETHTOOL_SRXFH:
2799                ret = i40e_set_rss_hash_opt(pf, cmd);
2800                break;
2801        case ETHTOOL_SRXCLSRLINS:
2802                ret = i40e_add_fdir_ethtool(vsi, cmd);
2803                break;
2804        case ETHTOOL_SRXCLSRLDEL:
2805                ret = i40e_del_fdir_entry(vsi, cmd);
2806                break;
2807        default:
2808                break;
2809        }
2810
2811        return ret;
2812}
2813
2814/**
2815 * i40e_max_channels - get Max number of combined channels supported
2816 * @vsi: vsi pointer
2817 **/
2818static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
2819{
2820        /* TODO: This code assumes DCB and FD is disabled for now. */
2821        return vsi->alloc_queue_pairs;
2822}
2823
2824/**
2825 * i40e_get_channels - Get the current channels enabled and max supported etc.
2826 * @netdev: network interface device structure
2827 * @ch: ethtool channels structure
2828 *
2829 * We don't support separate tx and rx queues as channels. The other count
2830 * represents how many queues are being used for control. max_combined counts
2831 * how many queue pairs we can support. They may not be mapped 1 to 1 with
2832 * q_vectors since we support a lot more queue pairs than q_vectors.
2833 **/
2834static void i40e_get_channels(struct net_device *dev,
2835                               struct ethtool_channels *ch)
2836{
2837        struct i40e_netdev_priv *np = netdev_priv(dev);
2838        struct i40e_vsi *vsi = np->vsi;
2839        struct i40e_pf *pf = vsi->back;
2840
2841        /* report maximum channels */
2842        ch->max_combined = i40e_max_channels(vsi);
2843
2844        /* report info for other vector */
2845        ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
2846        ch->max_other = ch->other_count;
2847
2848        /* Note: This code assumes DCB is disabled for now. */
2849        ch->combined_count = vsi->num_queue_pairs;
2850}
2851
2852/**
2853 * i40e_set_channels - Set the new channels count.
2854 * @netdev: network interface device structure
2855 * @ch: ethtool channels structure
2856 *
2857 * The new channels count may not be the same as requested by the user
2858 * since it gets rounded down to a power of 2 value.
2859 **/
2860static int i40e_set_channels(struct net_device *dev,
2861                              struct ethtool_channels *ch)
2862{
2863        const u8 drop = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
2864        struct i40e_netdev_priv *np = netdev_priv(dev);
2865        unsigned int count = ch->combined_count;
2866        struct i40e_vsi *vsi = np->vsi;
2867        struct i40e_pf *pf = vsi->back;
2868        struct i40e_fdir_filter *rule;
2869        struct hlist_node *node2;
2870        int new_count;
2871        int err = 0;
2872
2873        /* We do not support setting channels for any other VSI at present */
2874        if (vsi->type != I40E_VSI_MAIN)
2875                return -EINVAL;
2876
2877        /* verify they are not requesting separate vectors */
2878        if (!count || ch->rx_count || ch->tx_count)
2879                return -EINVAL;
2880
2881        /* verify other_count has not changed */
2882        if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
2883                return -EINVAL;
2884
2885        /* verify the number of channels does not exceed hardware limits */
2886        if (count > i40e_max_channels(vsi))
2887                return -EINVAL;
2888
2889        /* verify that the number of channels does not invalidate any current
2890         * flow director rules
2891         */
2892        hlist_for_each_entry_safe(rule, node2,
2893                                  &pf->fdir_filter_list, fdir_node) {
2894                if (rule->dest_ctl != drop && count <= rule->q_index) {
2895                        dev_warn(&pf->pdev->dev,
2896                                 "Existing user defined filter %d assigns flow to queue %d\n",
2897                                 rule->fd_id, rule->q_index);
2898                        err = -EINVAL;
2899                }
2900        }
2901
2902        if (err) {
2903                dev_err(&pf->pdev->dev,
2904                        "Existing filter rules must be deleted to reduce combined channel count to %d\n",
2905                        count);
2906                return err;
2907        }
2908
2909        /* update feature limits from largest to smallest supported values */
2910        /* TODO: Flow director limit, DCB etc */
2911
2912        /* use rss_reconfig to rebuild with new queue count and update traffic
2913         * class queue mapping
2914         */
2915        new_count = i40e_reconfig_rss_queues(pf, count);
2916        if (new_count > 0)
2917                return 0;
2918        else
2919                return -EINVAL;
2920}
2921
2922/**
2923 * i40e_get_rxfh_key_size - get the RSS hash key size
2924 * @netdev: network interface device structure
2925 *
2926 * Returns the table size.
2927 **/
2928static u32 i40e_get_rxfh_key_size(struct net_device *netdev)
2929{
2930        return I40E_HKEY_ARRAY_SIZE;
2931}
2932
2933/**
2934 * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size
2935 * @netdev: network interface device structure
2936 *
2937 * Returns the table size.
2938 **/
2939static u32 i40e_get_rxfh_indir_size(struct net_device *netdev)
2940{
2941        return I40E_HLUT_ARRAY_SIZE;
2942}
2943
2944static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
2945                         u8 *hfunc)
2946{
2947        struct i40e_netdev_priv *np = netdev_priv(netdev);
2948        struct i40e_vsi *vsi = np->vsi;
2949        u8 *lut, *seed = NULL;
2950        int ret;
2951        u16 i;
2952
2953        if (hfunc)
2954                *hfunc = ETH_RSS_HASH_TOP;
2955
2956        if (!indir)
2957                return 0;
2958
2959        seed = key;
2960        lut = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL);
2961        if (!lut)
2962                return -ENOMEM;
2963        ret = i40e_get_rss(vsi, seed, lut, I40E_HLUT_ARRAY_SIZE);
2964        if (ret)
2965                goto out;
2966        for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++)
2967                indir[i] = (u32)(lut[i]);
2968
2969out:
2970        kfree(lut);
2971
2972        return ret;
2973}
2974
2975/**
2976 * i40e_set_rxfh - set the rx flow hash indirection table
2977 * @netdev: network interface device structure
2978 * @indir: indirection table
2979 * @key: hash key
2980 *
2981 * Returns -EINVAL if the table specifies an invalid queue id, otherwise
2982 * returns 0 after programming the table.
2983 **/
2984static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir,
2985                         const u8 *key, const u8 hfunc)
2986{
2987        struct i40e_netdev_priv *np = netdev_priv(netdev);
2988        struct i40e_vsi *vsi = np->vsi;
2989        struct i40e_pf *pf = vsi->back;
2990        u8 *seed = NULL;
2991        u16 i;
2992
2993        if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
2994                return -EOPNOTSUPP;
2995
2996        if (key) {
2997                if (!vsi->rss_hkey_user) {
2998                        vsi->rss_hkey_user = kzalloc(I40E_HKEY_ARRAY_SIZE,
2999                                                     GFP_KERNEL);
3000                        if (!vsi->rss_hkey_user)
3001                                return -ENOMEM;
3002                }
3003                memcpy(vsi->rss_hkey_user, key, I40E_HKEY_ARRAY_SIZE);
3004                seed = vsi->rss_hkey_user;
3005        }
3006        if (!vsi->rss_lut_user) {
3007                vsi->rss_lut_user = kzalloc(I40E_HLUT_ARRAY_SIZE, GFP_KERNEL);
3008                if (!vsi->rss_lut_user)
3009                        return -ENOMEM;
3010        }
3011
3012        /* Each 32 bits pointed by 'indir' is stored with a lut entry */
3013        if (indir)
3014                for (i = 0; i < I40E_HLUT_ARRAY_SIZE; i++)
3015                        vsi->rss_lut_user[i] = (u8)(indir[i]);
3016        else
3017                i40e_fill_rss_lut(pf, vsi->rss_lut_user, I40E_HLUT_ARRAY_SIZE,
3018                                  vsi->rss_size);
3019
3020        return i40e_config_rss(vsi, seed, vsi->rss_lut_user,
3021                               I40E_HLUT_ARRAY_SIZE);
3022}
3023
3024/**
3025 * i40e_get_priv_flags - report device private flags
3026 * @dev: network interface device structure
3027 *
3028 * The get string set count and the string set should be matched for each
3029 * flag returned.  Add new strings for each flag to the i40e_priv_flags_strings
3030 * array.
3031 *
3032 * Returns a u32 bitmap of flags.
3033 **/
3034static u32 i40e_get_priv_flags(struct net_device *dev)
3035{
3036        struct i40e_netdev_priv *np = netdev_priv(dev);
3037        struct i40e_vsi *vsi = np->vsi;
3038        struct i40e_pf *pf = vsi->back;
3039        u32 ret_flags = 0;
3040
3041        ret_flags |= pf->flags & I40E_FLAG_LINK_POLLING_ENABLED ?
3042                I40E_PRIV_FLAGS_LINKPOLL_FLAG : 0;
3043        ret_flags |= pf->flags & I40E_FLAG_FD_ATR_ENABLED ?
3044                I40E_PRIV_FLAGS_FD_ATR : 0;
3045        ret_flags |= pf->flags & I40E_FLAG_VEB_STATS_ENABLED ?
3046                I40E_PRIV_FLAGS_VEB_STATS : 0;
3047        ret_flags |= pf->auto_disable_flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE ?
3048                0 : I40E_PRIV_FLAGS_HW_ATR_EVICT;
3049        if (pf->hw.pf_id == 0) {
3050                ret_flags |= pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT ?
3051                        I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT : 0;
3052        }
3053
3054        return ret_flags;
3055}
3056
3057/**
3058 * i40e_set_priv_flags - set private flags
3059 * @dev: network interface device structure
3060 * @flags: bit flags to be set
3061 **/
3062static int i40e_set_priv_flags(struct net_device *dev, u32 flags)
3063{
3064        struct i40e_netdev_priv *np = netdev_priv(dev);
3065        struct i40e_vsi *vsi = np->vsi;
3066        struct i40e_pf *pf = vsi->back;
3067        u16 sw_flags = 0, valid_flags = 0;
3068        bool reset_required = false;
3069        bool promisc_change = false;
3070        int ret;
3071
3072        /* NOTE: MFP is not settable */
3073
3074        if (flags & I40E_PRIV_FLAGS_LINKPOLL_FLAG)
3075                pf->flags |= I40E_FLAG_LINK_POLLING_ENABLED;
3076        else
3077                pf->flags &= ~I40E_FLAG_LINK_POLLING_ENABLED;
3078
3079        /* allow the user to control the state of the Flow
3080         * Director ATR (Application Targeted Routing) feature
3081         * of the driver
3082         */
3083        if (flags & I40E_PRIV_FLAGS_FD_ATR) {
3084                pf->flags |= I40E_FLAG_FD_ATR_ENABLED;
3085        } else {
3086                pf->flags &= ~I40E_FLAG_FD_ATR_ENABLED;
3087                pf->auto_disable_flags |= I40E_FLAG_FD_ATR_ENABLED;
3088
3089                /* flush current ATR settings */
3090                set_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state);
3091        }
3092
3093        if ((flags & I40E_PRIV_FLAGS_VEB_STATS) &&
3094            !(pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
3095                pf->flags |= I40E_FLAG_VEB_STATS_ENABLED;
3096                reset_required = true;
3097        } else if (!(flags & I40E_PRIV_FLAGS_VEB_STATS) &&
3098                   (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
3099                pf->flags &= ~I40E_FLAG_VEB_STATS_ENABLED;
3100                reset_required = true;
3101        }
3102
3103        if (pf->hw.pf_id == 0) {
3104                if ((flags & I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT) &&
3105                    !(pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT)) {
3106                        pf->flags |= I40E_FLAG_TRUE_PROMISC_SUPPORT;
3107                        promisc_change = true;
3108                } else if (!(flags & I40E_PRIV_FLAGS_TRUE_PROMISC_SUPPORT) &&
3109                           (pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT)) {
3110                        pf->flags &= ~I40E_FLAG_TRUE_PROMISC_SUPPORT;
3111                        promisc_change = true;
3112                }
3113        }
3114        if (promisc_change) {
3115                if (!(pf->flags & I40E_FLAG_TRUE_PROMISC_SUPPORT))
3116                        sw_flags = I40E_AQ_SET_SWITCH_CFG_PROMISC;
3117                valid_flags = I40E_AQ_SET_SWITCH_CFG_PROMISC;
3118                ret = i40e_aq_set_switch_config(&pf->hw, sw_flags, valid_flags,
3119                                                NULL);
3120                if (ret && pf->hw.aq.asq_last_status != I40E_AQ_RC_ESRCH) {
3121                        dev_info(&pf->pdev->dev,
3122                                 "couldn't set switch config bits, err %s aq_err %s\n",
3123                                 i40e_stat_str(&pf->hw, ret),
3124                                 i40e_aq_str(&pf->hw,
3125                                             pf->hw.aq.asq_last_status));
3126                        /* not a fatal problem, just keep going */
3127                }
3128        }
3129
3130        if ((flags & I40E_PRIV_FLAGS_HW_ATR_EVICT) &&
3131            (pf->flags & I40E_FLAG_HW_ATR_EVICT_CAPABLE))
3132                pf->auto_disable_flags &= ~I40E_FLAG_HW_ATR_EVICT_CAPABLE;
3133        else
3134                pf->auto_disable_flags |= I40E_FLAG_HW_ATR_EVICT_CAPABLE;
3135
3136        /* if needed, issue reset to cause things to take effect */
3137        if (reset_required)
3138                i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
3139
3140        return 0;
3141}
3142
3143static const struct ethtool_ops i40e_ethtool_ops = {
3144        .get_settings           = i40e_get_settings,
3145        .set_settings           = i40e_set_settings,
3146        .get_drvinfo            = i40e_get_drvinfo,
3147        .get_regs_len           = i40e_get_regs_len,
3148        .get_regs               = i40e_get_regs,
3149        .nway_reset             = i40e_nway_reset,
3150        .get_link               = ethtool_op_get_link,
3151        .get_wol                = i40e_get_wol,
3152        .set_wol                = i40e_set_wol,
3153        .set_eeprom             = i40e_set_eeprom,
3154        .get_eeprom_len         = i40e_get_eeprom_len,
3155        .get_eeprom             = i40e_get_eeprom,
3156        .get_ringparam          = i40e_get_ringparam,
3157        .set_ringparam          = i40e_set_ringparam,
3158        .get_pauseparam         = i40e_get_pauseparam,
3159        .set_pauseparam         = i40e_set_pauseparam,
3160        .get_msglevel           = i40e_get_msglevel,
3161        .set_msglevel           = i40e_set_msglevel,
3162        .get_rxnfc              = i40e_get_rxnfc,
3163        .set_rxnfc              = i40e_set_rxnfc,
3164        .self_test              = i40e_diag_test,
3165        .get_strings            = i40e_get_strings,
3166        .set_phys_id            = i40e_set_phys_id,
3167        .get_sset_count         = i40e_get_sset_count,
3168        .get_ethtool_stats      = i40e_get_ethtool_stats,
3169        .get_coalesce           = i40e_get_coalesce,
3170        .set_coalesce           = i40e_set_coalesce,
3171        .get_rxfh_key_size      = i40e_get_rxfh_key_size,
3172        .get_rxfh_indir_size    = i40e_get_rxfh_indir_size,
3173        .get_rxfh               = i40e_get_rxfh,
3174        .set_rxfh               = i40e_set_rxfh,
3175        .get_channels           = i40e_get_channels,
3176        .set_channels           = i40e_set_channels,
3177        .get_ts_info            = i40e_get_ts_info,
3178        .get_priv_flags         = i40e_get_priv_flags,
3179        .set_priv_flags         = i40e_set_priv_flags,
3180        .get_per_queue_coalesce = i40e_get_per_queue_coalesce,
3181        .set_per_queue_coalesce = i40e_set_per_queue_coalesce,
3182};
3183
3184void i40e_set_ethtool_ops(struct net_device *netdev)
3185{
3186        netdev->ethtool_ops = &i40e_ethtool_ops;
3187}
3188