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 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_LOOPBACK,
 220        I40E_ETH_TEST_LINK,
 221};
 222
 223static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
 224        "Register test  (offline)",
 225        "Eeprom test    (offline)",
 226        "Interrupt test (offline)",
 227        "Loopback test  (offline)",
 228        "Link test   (on/offline)"
 229};
 230
 231#define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
 232
 233static const char i40e_priv_flags_strings_gl[][ETH_GSTRING_LEN] = {
 234        "MFP",
 235        "LinkPolling",
 236        "flow-director-atr",
 237        "veb-stats",
 238        "hw-atr-eviction",
 239        "vf-true-promisc-support",
 240};
 241
 242#define I40E_PRIV_FLAGS_GL_STR_LEN ARRAY_SIZE(i40e_priv_flags_strings_gl)
 243
 244static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = {
 245        "NPAR",
 246        "LinkPolling",
 247        "flow-director-atr",
 248        "veb-stats",
 249        "hw-atr-eviction",
 250};
 251
 252#define I40E_PRIV_FLAGS_STR_LEN ARRAY_SIZE(i40e_priv_flags_strings)
 253
 254/**
 255 * i40e_partition_setting_complaint - generic complaint for MFP restriction
 256 * @pf: the PF struct
 257 **/
 258static void i40e_partition_setting_complaint(struct i40e_pf *pf)
 259{
 260        dev_info(&pf->pdev->dev,
 261                 "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");
 262}
 263
 264/**
 265 * i40e_phy_type_to_ethtool - convert the phy_types to ethtool link modes
 266 * @phy_types: PHY types to convert
 267 * @supported: pointer to the ethtool supported variable to fill in
 268 * @advertising: pointer to the ethtool advertising variable to fill in
 269 *
 270 **/
 271static void i40e_phy_type_to_ethtool(struct i40e_pf *pf, u32 *supported,
 272                                     u32 *advertising)
 273{
 274        enum i40e_aq_capabilities_phy_type phy_types = pf->hw.phy.phy_types;
 275        struct i40e_link_status *hw_link_info = &pf->hw.phy.link_info;
 276        *supported = 0x0;
 277        *advertising = 0x0;
 278
 279        if (phy_types & I40E_CAP_PHY_TYPE_SGMII) {
 280                *supported |= SUPPORTED_Autoneg |
 281                              SUPPORTED_1000baseT_Full;
 282                *advertising |= ADVERTISED_Autoneg;
 283                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 284                        *advertising |= ADVERTISED_1000baseT_Full;
 285                if (pf->flags & I40E_FLAG_100M_SGMII_CAPABLE) {
 286                        *supported |= SUPPORTED_100baseT_Full;
 287                        *advertising |= ADVERTISED_100baseT_Full;
 288                }
 289        }
 290        if (phy_types & I40E_CAP_PHY_TYPE_XAUI ||
 291            phy_types & I40E_CAP_PHY_TYPE_XFI ||
 292            phy_types & I40E_CAP_PHY_TYPE_SFI ||
 293            phy_types & I40E_CAP_PHY_TYPE_10GBASE_SFPP_CU ||
 294            phy_types & I40E_CAP_PHY_TYPE_10GBASE_AOC)
 295                *supported |= SUPPORTED_10000baseT_Full;
 296        if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1_CU ||
 297            phy_types & I40E_CAP_PHY_TYPE_10GBASE_CR1 ||
 298            phy_types & I40E_CAP_PHY_TYPE_10GBASE_T ||
 299            phy_types & I40E_CAP_PHY_TYPE_10GBASE_SR ||
 300            phy_types & I40E_CAP_PHY_TYPE_10GBASE_LR) {
 301                *supported |= SUPPORTED_Autoneg |
 302                              SUPPORTED_10000baseT_Full;
 303                *advertising |= ADVERTISED_Autoneg;
 304                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 305                        *advertising |= ADVERTISED_10000baseT_Full;
 306        }
 307        if (phy_types & I40E_CAP_PHY_TYPE_XLAUI ||
 308            phy_types & I40E_CAP_PHY_TYPE_XLPPI ||
 309            phy_types & I40E_CAP_PHY_TYPE_40GBASE_AOC)
 310                *supported |= SUPPORTED_40000baseCR4_Full;
 311        if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4_CU ||
 312            phy_types & I40E_CAP_PHY_TYPE_40GBASE_CR4) {
 313                *supported |= SUPPORTED_Autoneg |
 314                              SUPPORTED_40000baseCR4_Full;
 315                *advertising |= ADVERTISED_Autoneg;
 316                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_40GB)
 317                        *advertising |= ADVERTISED_40000baseCR4_Full;
 318        }
 319        if (phy_types & I40E_CAP_PHY_TYPE_100BASE_TX) {
 320                *supported |= SUPPORTED_Autoneg |
 321                              SUPPORTED_100baseT_Full;
 322                *advertising |= ADVERTISED_Autoneg;
 323                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
 324                        *advertising |= ADVERTISED_100baseT_Full;
 325        }
 326        if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_T ||
 327            phy_types & I40E_CAP_PHY_TYPE_1000BASE_SX ||
 328            phy_types & I40E_CAP_PHY_TYPE_1000BASE_LX ||
 329            phy_types & I40E_CAP_PHY_TYPE_1000BASE_T_OPTICAL) {
 330                *supported |= SUPPORTED_Autoneg |
 331                              SUPPORTED_1000baseT_Full;
 332                *advertising |= ADVERTISED_Autoneg;
 333                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 334                        *advertising |= ADVERTISED_1000baseT_Full;
 335        }
 336        if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_SR4)
 337                *supported |= SUPPORTED_40000baseSR4_Full;
 338        if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_LR4)
 339                *supported |= SUPPORTED_40000baseLR4_Full;
 340        if (phy_types & I40E_CAP_PHY_TYPE_40GBASE_KR4) {
 341                *supported |= SUPPORTED_40000baseKR4_Full |
 342                              SUPPORTED_Autoneg;
 343                *advertising |= ADVERTISED_40000baseKR4_Full |
 344                                ADVERTISED_Autoneg;
 345        }
 346        if (phy_types & I40E_CAP_PHY_TYPE_20GBASE_KR2) {
 347                *supported |= SUPPORTED_20000baseKR2_Full |
 348                              SUPPORTED_Autoneg;
 349                *advertising |= ADVERTISED_Autoneg;
 350                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_20GB)
 351                        *advertising |= ADVERTISED_20000baseKR2_Full;
 352        }
 353        if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KR) {
 354                *supported |= SUPPORTED_10000baseKR_Full |
 355                              SUPPORTED_Autoneg;
 356                *advertising |= ADVERTISED_Autoneg;
 357                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 358                        *advertising |= ADVERTISED_10000baseKR_Full;
 359        }
 360        if (phy_types & I40E_CAP_PHY_TYPE_10GBASE_KX4) {
 361                *supported |= SUPPORTED_10000baseKX4_Full |
 362                              SUPPORTED_Autoneg;
 363                *advertising |= ADVERTISED_Autoneg;
 364                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 365                        *advertising |= ADVERTISED_10000baseKX4_Full;
 366        }
 367        if (phy_types & I40E_CAP_PHY_TYPE_1000BASE_KX) {
 368                *supported |= SUPPORTED_1000baseKX_Full |
 369                              SUPPORTED_Autoneg;
 370                *advertising |= ADVERTISED_Autoneg;
 371                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 372                        *advertising |= ADVERTISED_1000baseKX_Full;
 373        }
 374}
 375
 376/**
 377 * i40e_get_settings_link_up - Get the Link settings for when link is up
 378 * @hw: hw structure
 379 * @ecmd: ethtool command to fill in
 380 * @netdev: network interface device structure
 381 *
 382 **/
 383static void i40e_get_settings_link_up(struct i40e_hw *hw,
 384                                      struct ethtool_cmd *ecmd,
 385                                      struct net_device *netdev,
 386                                      struct i40e_pf *pf)
 387{
 388        struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 389        u32 link_speed = hw_link_info->link_speed;
 390        u32 e_advertising = 0x0;
 391        u32 e_supported = 0x0;
 392
 393        /* Initialize supported and advertised settings based on phy settings */
 394        switch (hw_link_info->phy_type) {
 395        case I40E_PHY_TYPE_40GBASE_CR4:
 396        case I40E_PHY_TYPE_40GBASE_CR4_CU:
 397                ecmd->supported = SUPPORTED_Autoneg |
 398                                  SUPPORTED_40000baseCR4_Full;
 399                ecmd->advertising = ADVERTISED_Autoneg |
 400                                    ADVERTISED_40000baseCR4_Full;
 401                break;
 402        case I40E_PHY_TYPE_XLAUI:
 403        case I40E_PHY_TYPE_XLPPI:
 404        case I40E_PHY_TYPE_40GBASE_AOC:
 405                ecmd->supported = SUPPORTED_40000baseCR4_Full;
 406                break;
 407        case I40E_PHY_TYPE_40GBASE_SR4:
 408                ecmd->supported = SUPPORTED_40000baseSR4_Full;
 409                break;
 410        case I40E_PHY_TYPE_40GBASE_LR4:
 411                ecmd->supported = SUPPORTED_40000baseLR4_Full;
 412                break;
 413        case I40E_PHY_TYPE_10GBASE_SR:
 414        case I40E_PHY_TYPE_10GBASE_LR:
 415        case I40E_PHY_TYPE_1000BASE_SX:
 416        case I40E_PHY_TYPE_1000BASE_LX:
 417                ecmd->supported = SUPPORTED_10000baseT_Full;
 418                if (hw_link_info->module_type[2] &
 419                    I40E_MODULE_TYPE_1000BASE_SX ||
 420                    hw_link_info->module_type[2] &
 421                    I40E_MODULE_TYPE_1000BASE_LX) {
 422                        ecmd->supported |= SUPPORTED_1000baseT_Full;
 423                        if (hw_link_info->requested_speeds &
 424                            I40E_LINK_SPEED_1GB)
 425                                ecmd->advertising |= ADVERTISED_1000baseT_Full;
 426                }
 427                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 428                        ecmd->advertising |= ADVERTISED_10000baseT_Full;
 429                break;
 430        case I40E_PHY_TYPE_10GBASE_T:
 431        case I40E_PHY_TYPE_1000BASE_T:
 432        case I40E_PHY_TYPE_100BASE_TX:
 433                ecmd->supported = SUPPORTED_Autoneg |
 434                                  SUPPORTED_10000baseT_Full |
 435                                  SUPPORTED_1000baseT_Full |
 436                                  SUPPORTED_100baseT_Full;
 437                ecmd->advertising = ADVERTISED_Autoneg;
 438                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 439                        ecmd->advertising |= ADVERTISED_10000baseT_Full;
 440                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 441                        ecmd->advertising |= ADVERTISED_1000baseT_Full;
 442                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
 443                        ecmd->advertising |= ADVERTISED_100baseT_Full;
 444                break;
 445        case I40E_PHY_TYPE_1000BASE_T_OPTICAL:
 446                ecmd->supported = SUPPORTED_Autoneg |
 447                                  SUPPORTED_1000baseT_Full;
 448                ecmd->advertising = ADVERTISED_Autoneg |
 449                                    ADVERTISED_1000baseT_Full;
 450                break;
 451        case I40E_PHY_TYPE_10GBASE_CR1_CU:
 452        case I40E_PHY_TYPE_10GBASE_CR1:
 453                ecmd->supported = SUPPORTED_Autoneg |
 454                                  SUPPORTED_10000baseT_Full;
 455                ecmd->advertising = ADVERTISED_Autoneg |
 456                                    ADVERTISED_10000baseT_Full;
 457                break;
 458        case I40E_PHY_TYPE_XAUI:
 459        case I40E_PHY_TYPE_XFI:
 460        case I40E_PHY_TYPE_SFI:
 461        case I40E_PHY_TYPE_10GBASE_SFPP_CU:
 462        case I40E_PHY_TYPE_10GBASE_AOC:
 463                ecmd->supported = SUPPORTED_10000baseT_Full;
 464                ecmd->advertising = SUPPORTED_10000baseT_Full;
 465                break;
 466        case I40E_PHY_TYPE_SGMII:
 467                ecmd->supported = SUPPORTED_Autoneg |
 468                                  SUPPORTED_1000baseT_Full;
 469                if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 470                        ecmd->advertising |= ADVERTISED_1000baseT_Full;
 471                if (pf->flags & I40E_FLAG_100M_SGMII_CAPABLE) {
 472                        ecmd->supported |= SUPPORTED_100baseT_Full;
 473                        if (hw_link_info->requested_speeds &
 474                            I40E_LINK_SPEED_100MB)
 475                                ecmd->advertising |= ADVERTISED_100baseT_Full;
 476                }
 477                break;
 478        case I40E_PHY_TYPE_40GBASE_KR4:
 479        case I40E_PHY_TYPE_20GBASE_KR2:
 480        case I40E_PHY_TYPE_10GBASE_KR:
 481        case I40E_PHY_TYPE_10GBASE_KX4:
 482        case I40E_PHY_TYPE_1000BASE_KX:
 483                ecmd->supported |= SUPPORTED_40000baseKR4_Full |
 484                                   SUPPORTED_20000baseKR2_Full |
 485                                   SUPPORTED_10000baseKR_Full |
 486                                   SUPPORTED_10000baseKX4_Full |
 487                                   SUPPORTED_1000baseKX_Full |
 488                                   SUPPORTED_Autoneg;
 489                ecmd->advertising |= ADVERTISED_40000baseKR4_Full |
 490                                     ADVERTISED_20000baseKR2_Full |
 491                                     ADVERTISED_10000baseKR_Full |
 492                                     ADVERTISED_10000baseKX4_Full |
 493                                     ADVERTISED_1000baseKX_Full |
 494                                     ADVERTISED_Autoneg;
 495                break;
 496        default:
 497                /* if we got here and link is up something bad is afoot */
 498                netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n",
 499                            hw_link_info->phy_type);
 500        }
 501
 502        /* Now that we've worked out everything that could be supported by the
 503         * current PHY type, get what is supported by the NVM and them to
 504         * get what is truly supported
 505         */
 506        i40e_phy_type_to_ethtool(pf, &e_supported,
 507                                 &e_advertising);
 508
 509        ecmd->supported = ecmd->supported & e_supported;
 510        ecmd->advertising = ecmd->advertising & e_advertising;
 511
 512        /* Set speed and duplex */
 513        switch (link_speed) {
 514        case I40E_LINK_SPEED_40GB:
 515                ethtool_cmd_speed_set(ecmd, SPEED_40000);
 516                break;
 517        case I40E_LINK_SPEED_20GB:
 518                ethtool_cmd_speed_set(ecmd, SPEED_20000);
 519                break;
 520        case I40E_LINK_SPEED_10GB:
 521                ethtool_cmd_speed_set(ecmd, SPEED_10000);
 522                break;
 523        case I40E_LINK_SPEED_1GB:
 524                ethtool_cmd_speed_set(ecmd, SPEED_1000);
 525                break;
 526        case I40E_LINK_SPEED_100MB:
 527                ethtool_cmd_speed_set(ecmd, SPEED_100);
 528                break;
 529        default:
 530                break;
 531        }
 532        ecmd->duplex = DUPLEX_FULL;
 533}
 534
 535/**
 536 * i40e_get_settings_link_down - Get the Link settings for when link is down
 537 * @hw: hw structure
 538 * @ecmd: ethtool command to fill in
 539 *
 540 * Reports link settings that can be determined when link is down
 541 **/
 542static void i40e_get_settings_link_down(struct i40e_hw *hw,
 543                                        struct ethtool_cmd *ecmd,
 544                                        struct i40e_pf *pf)
 545{
 546        /* link is down and the driver needs to fall back on
 547         * supported phy types to figure out what info to display
 548         */
 549        i40e_phy_type_to_ethtool(pf, &ecmd->supported,
 550                                 &ecmd->advertising);
 551
 552        /* With no link speed and duplex are unknown */
 553        ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
 554        ecmd->duplex = DUPLEX_UNKNOWN;
 555}
 556
 557/**
 558 * i40e_get_settings - Get Link Speed and Duplex settings
 559 * @netdev: network interface device structure
 560 * @ecmd: ethtool command
 561 *
 562 * Reports speed/duplex settings based on media_type
 563 **/
 564static int i40e_get_settings(struct net_device *netdev,
 565                             struct ethtool_cmd *ecmd)
 566{
 567        struct i40e_netdev_priv *np = netdev_priv(netdev);
 568        struct i40e_pf *pf = np->vsi->back;
 569        struct i40e_hw *hw = &pf->hw;
 570        struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 571        bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
 572
 573        if (link_up)
 574                i40e_get_settings_link_up(hw, ecmd, netdev, pf);
 575        else
 576                i40e_get_settings_link_down(hw, ecmd, pf);
 577
 578        /* Now set the settings that don't rely on link being up/down */
 579        /* Set autoneg settings */
 580        ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 581                          AUTONEG_ENABLE : AUTONEG_DISABLE);
 582
 583        switch (hw->phy.media_type) {
 584        case I40E_MEDIA_TYPE_BACKPLANE:
 585                ecmd->supported |= SUPPORTED_Autoneg |
 586                                   SUPPORTED_Backplane;
 587                ecmd->advertising |= ADVERTISED_Autoneg |
 588                                     ADVERTISED_Backplane;
 589                ecmd->port = PORT_NONE;
 590                break;
 591        case I40E_MEDIA_TYPE_BASET:
 592                ecmd->supported |= SUPPORTED_TP;
 593                ecmd->advertising |= ADVERTISED_TP;
 594                ecmd->port = PORT_TP;
 595                break;
 596        case I40E_MEDIA_TYPE_DA:
 597        case I40E_MEDIA_TYPE_CX4:
 598                ecmd->supported |= SUPPORTED_FIBRE;
 599                ecmd->advertising |= ADVERTISED_FIBRE;
 600                ecmd->port = PORT_DA;
 601                break;
 602        case I40E_MEDIA_TYPE_FIBER:
 603                ecmd->supported |= SUPPORTED_FIBRE;
 604                ecmd->port = PORT_FIBRE;
 605                break;
 606        case I40E_MEDIA_TYPE_UNKNOWN:
 607        default:
 608                ecmd->port = PORT_OTHER;
 609                break;
 610        }
 611
 612        /* Set transceiver */
 613        ecmd->transceiver = XCVR_EXTERNAL;
 614
 615        /* Set flow control settings */
 616        ecmd->supported |= SUPPORTED_Pause;
 617
 618        switch (hw->fc.requested_mode) {
 619        case I40E_FC_FULL:
 620                ecmd->advertising |= ADVERTISED_Pause;
 621                break;
 622        case I40E_FC_TX_PAUSE:
 623                ecmd->advertising |= ADVERTISED_Asym_Pause;
 624                break;
 625        case I40E_FC_RX_PAUSE:
 626                ecmd->advertising |= (ADVERTISED_Pause |
 627                                      ADVERTISED_Asym_Pause);
 628                break;
 629        default:
 630                ecmd->advertising &= ~(ADVERTISED_Pause |
 631                                       ADVERTISED_Asym_Pause);
 632                break;
 633        }
 634
 635        return 0;
 636}
 637
 638/**
 639 * i40e_set_settings - Set Speed and Duplex
 640 * @netdev: network interface device structure
 641 * @ecmd: ethtool command
 642 *
 643 * Set speed/duplex per media_types advertised/forced
 644 **/
 645static int i40e_set_settings(struct net_device *netdev,
 646                             struct ethtool_cmd *ecmd)
 647{
 648        struct i40e_netdev_priv *np = netdev_priv(netdev);
 649        struct i40e_aq_get_phy_abilities_resp abilities;
 650        struct i40e_aq_set_phy_config config;
 651        struct i40e_pf *pf = np->vsi->back;
 652        struct i40e_vsi *vsi = np->vsi;
 653        struct i40e_hw *hw = &pf->hw;
 654        struct ethtool_cmd safe_ecmd;
 655        i40e_status status = 0;
 656        bool change = false;
 657        int err = 0;
 658        u8 autoneg;
 659        u32 advertise;
 660
 661        /* Changing port settings is not supported if this isn't the
 662         * port's controlling PF
 663         */
 664        if (hw->partition_id != 1) {
 665                i40e_partition_setting_complaint(pf);
 666                return -EOPNOTSUPP;
 667        }
 668
 669        if (vsi != pf->vsi[pf->lan_vsi])
 670                return -EOPNOTSUPP;
 671
 672        if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
 673            hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
 674            hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
 675            hw->phy.media_type != I40E_MEDIA_TYPE_DA &&
 676            hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
 677                return -EOPNOTSUPP;
 678
 679        if (hw->device_id == I40E_DEV_ID_KX_B ||
 680            hw->device_id == I40E_DEV_ID_KX_C ||
 681            hw->device_id == I40E_DEV_ID_20G_KR2 ||
 682            hw->device_id == I40E_DEV_ID_20G_KR2_A) {
 683                netdev_info(netdev, "Changing settings is not supported on backplane.\n");
 684                return -EOPNOTSUPP;
 685        }
 686
 687        /* get our own copy of the bits to check against */
 688        memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd));
 689        i40e_get_settings(netdev, &safe_ecmd);
 690
 691        /* save autoneg and speed out of ecmd */
 692        autoneg = ecmd->autoneg;
 693        advertise = ecmd->advertising;
 694
 695        /* set autoneg and speed back to what they currently are */
 696        ecmd->autoneg = safe_ecmd.autoneg;
 697        ecmd->advertising = safe_ecmd.advertising;
 698
 699        ecmd->cmd = safe_ecmd.cmd;
 700        /* If ecmd and safe_ecmd are not the same now, then they are
 701         * trying to set something that we do not support
 702         */
 703        if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd)))
 704                return -EOPNOTSUPP;
 705
 706        while (test_bit(__I40E_CONFIG_BUSY, &vsi->state))
 707                usleep_range(1000, 2000);
 708
 709        /* Get the current phy config */
 710        status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
 711                                              NULL);
 712        if (status)
 713                return -EAGAIN;
 714
 715        /* Copy abilities to config in case autoneg is not
 716         * set below
 717         */
 718        memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
 719        config.abilities = abilities.abilities;
 720
 721        /* Check autoneg */
 722        if (autoneg == AUTONEG_ENABLE) {
 723                /* If autoneg was not already enabled */
 724                if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
 725                        /* If autoneg is not supported, return error */
 726                        if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) {
 727                                netdev_info(netdev, "Autoneg not supported on this phy\n");
 728                                return -EINVAL;
 729                        }
 730                        /* Autoneg is allowed to change */
 731                        config.abilities = abilities.abilities |
 732                                           I40E_AQ_PHY_ENABLE_AN;
 733                        change = true;
 734                }
 735        } else {
 736                /* If autoneg is currently enabled */
 737                if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
 738                        /* If autoneg is supported 10GBASE_T is the only PHY
 739                         * that can disable it, so otherwise return error
 740                         */
 741                        if (safe_ecmd.supported & SUPPORTED_Autoneg &&
 742                            hw->phy.link_info.phy_type !=
 743                            I40E_PHY_TYPE_10GBASE_T) {
 744                                netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
 745                                return -EINVAL;
 746                        }
 747                        /* Autoneg is allowed to change */
 748                        config.abilities = abilities.abilities &
 749                                           ~I40E_AQ_PHY_ENABLE_AN;
 750                        change = true;
 751                }
 752        }
 753
 754        if (advertise & ~safe_ecmd.supported)
 755                return -EINVAL;
 756
 757        if (advertise & ADVERTISED_100baseT_Full)
 758                config.link_speed |= I40E_LINK_SPEED_100MB;
 759        if (advertise & ADVERTISED_1000baseT_Full ||
 760            advertise & ADVERTISED_1000baseKX_Full)
 761                config.link_speed |= I40E_LINK_SPEED_1GB;
 762        if (advertise & ADVERTISED_10000baseT_Full ||
 763            advertise & ADVERTISED_10000baseKX4_Full ||
 764            advertise & ADVERTISED_10000baseKR_Full)
 765                config.link_speed |= I40E_LINK_SPEED_10GB;
 766        if (advertise & ADVERTISED_20000baseKR2_Full)
 767                config.link_speed |= I40E_LINK_SPEED_20GB;
 768        if (advertise & ADVERTISED_40000baseKR4_Full ||
 769            advertise & ADVERTISED_40000baseCR4_Full ||
 770            advertise & ADVERTISED_40000baseSR4_Full ||
 771            advertise & ADVERTISED_40000baseLR4_Full)
 772                config.link_speed |= I40E_LINK_SPEED_40GB;
 773
 774        /* If speed didn't get set, set it to what it currently is.
 775         * This is needed because if advertise is 0 (as it is when autoneg
 776         * is disabled) then speed won't get set.
 777         */
 778        if (!config.link_speed)
 779                config.link_speed = abilities.link_speed;
 780
 781        if (change || (abilities.link_speed != config.link_speed)) {
 782                /* copy over the rest of the abilities */
 783                config.phy_type = abilities.phy_type;
 784                config.eee_capability = abilities.eee_capability;
 785                config.eeer = abilities.eeer_val;
 786                config.low_power_ctrl = abilities.d3_lpan;
 787
 788                /* save the requested speeds */
 789                hw->phy.link_info.requested_speeds = config.link_speed;
 790                /* set link and auto negotiation so changes take effect */
 791                config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
 792                /* If link is up put link down */
 793                if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
 794                        /* Tell the OS link is going down, the link will go
 795                         * back up when fw says it is ready asynchronously
 796                         */
 797                        i40e_print_link_message(vsi, false);
 798                        netif_carrier_off(netdev);
 799                        netif_tx_stop_all_queues(netdev);
 800                }
 801
 802                /* make the aq call */
 803                status = i40e_aq_set_phy_config(hw, &config, NULL);
 804                if (status) {
 805                        netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n",
 806                                    i40e_stat_str(hw, status),
 807                                    i40e_aq_str(hw, hw->aq.asq_last_status));
 808                        return -EAGAIN;
 809                }
 810
 811                status = i40e_update_link_info(hw);
 812                if (status)
 813                        netdev_dbg(netdev, "Updating link info failed with err %s aq_err %s\n",
 814                                   i40e_stat_str(hw, status),
 815                                   i40e_aq_str(hw, hw->aq.asq_last_status));
 816
 817        } else {
 818                netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
 819        }
 820
 821        return err;
 822}
 823
 824static int i40e_nway_reset(struct net_device *netdev)
 825{
 826        /* restart autonegotiation */
 827        struct i40e_netdev_priv *np = netdev_priv(netdev);
 828        struct i40e_pf *pf = np->vsi->back;
 829        struct i40e_hw *hw = &pf->hw;
 830        bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
 831        i40e_status ret = 0;
 832
 833        ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
 834        if (ret) {
 835                netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
 836                            i40e_stat_str(hw, ret),
 837                            i40e_aq_str(hw, hw->aq.asq_last_status));
 838                return -EIO;
 839        }
 840
 841        return 0;
 842}
 843
 844/**
 845 * i40e_get_pauseparam -  Get Flow Control status
 846 * Return tx/rx-pause status
 847 **/
 848static void i40e_get_pauseparam(struct net_device *netdev,
 849                                struct ethtool_pauseparam *pause)
 850{
 851        struct i40e_netdev_priv *np = netdev_priv(netdev);
 852        struct i40e_pf *pf = np->vsi->back;
 853        struct i40e_hw *hw = &pf->hw;
 854        struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 855        struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
 856
 857        pause->autoneg =
 858                ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 859                  AUTONEG_ENABLE : AUTONEG_DISABLE);
 860
 861        /* PFC enabled so report LFC as off */
 862        if (dcbx_cfg->pfc.pfcenable) {
 863                pause->rx_pause = 0;
 864                pause->tx_pause = 0;
 865                return;
 866        }
 867
 868        if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
 869                pause->rx_pause = 1;
 870        } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
 871                pause->tx_pause = 1;
 872        } else if (hw->fc.current_mode == I40E_FC_FULL) {
 873                pause->rx_pause = 1;
 874                pause->tx_pause = 1;
 875        }
 876}
 877
 878/**
 879 * i40e_set_pauseparam - Set Flow Control parameter
 880 * @netdev: network interface device structure
 881 * @pause: return tx/rx flow control status
 882 **/
 883static int i40e_set_pauseparam(struct net_device *netdev,
 884                               struct ethtool_pauseparam *pause)
 885{
 886        struct i40e_netdev_priv *np = netdev_priv(netdev);
 887        struct i40e_pf *pf = np->vsi->back;
 888        struct i40e_vsi *vsi = np->vsi;
 889        struct i40e_hw *hw = &pf->hw;
 890        struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 891        struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
 892        bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
 893        i40e_status status;
 894        u8 aq_failures;
 895        int err = 0;
 896
 897        /* Changing the port's flow control is not supported if this isn't the
 898         * port's controlling PF
 899         */
 900        if (hw->partition_id != 1) {
 901                i40e_partition_setting_complaint(pf);
 902                return -EOPNOTSUPP;
 903        }
 904
 905        if (vsi != pf->vsi[pf->lan_vsi])
 906                return -EOPNOTSUPP;
 907
 908        if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 909            AUTONEG_ENABLE : AUTONEG_DISABLE)) {
 910                netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
 911                return -EOPNOTSUPP;
 912        }
 913
 914        /* If we have link and don't have autoneg */
 915        if (!test_bit(__I40E_DOWN, &pf->state) &&
 916            !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
 917                /* Send message that it might not necessarily work*/
 918                netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
 919        }
 920
 921        if (dcbx_cfg->pfc.pfcenable) {
 922                netdev_info(netdev,
 923                            "Priority flow control enabled. Cannot set link flow control.\n");
 924                return -EOPNOTSUPP;
 925        }
 926
 927        if (pause->rx_pause && pause->tx_pause)
 928                hw->fc.requested_mode = I40E_FC_FULL;
 929        else if (pause->rx_pause && !pause->tx_pause)
 930                hw->fc.requested_mode = I40E_FC_RX_PAUSE;
 931        else if (!pause->rx_pause && pause->tx_pause)
 932                hw->fc.requested_mode = I40E_FC_TX_PAUSE;
 933        else if (!pause->rx_pause && !pause->tx_pause)
 934                hw->fc.requested_mode = I40E_FC_NONE;
 935        else
 936                 return -EINVAL;
 937
 938        /* Tell the OS link is going down, the link will go back up when fw
 939         * says it is ready asynchronously
 940         */
 941        i40e_print_link_message(vsi, false);
 942        netif_carrier_off(netdev);
 943        netif_tx_stop_all_queues(netdev);
 944
 945        /* Set the fc mode and only restart an if link is up*/
 946        status = i40e_set_fc(hw, &aq_failures, link_up);
 947
 948        if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
 949                netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
 950                            i40e_stat_str(hw, status),
 951                            i40e_aq_str(hw, hw->aq.asq_last_status));
 952                err = -EAGAIN;
 953        }
 954        if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
 955                netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
 956                            i40e_stat_str(hw, status),
 957                            i40e_aq_str(hw, hw->aq.asq_last_status));
 958                err = -EAGAIN;
 959        }
 960        if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
 961                netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
 962                            i40e_stat_str(hw, status),
 963                            i40e_aq_str(hw, hw->aq.asq_last_status));
 964                err = -EAGAIN;
 965        }
 966
 967        if (!test_bit(__I40E_DOWN, &pf->state)) {
 968                /* Give it a little more time to try to come back */
 969                msleep(75);
 970                if (!test_bit(__I40E_DOWN, &pf->state))
 971                        return i40e_nway_reset(netdev);
 972        }
 973
 974        return err;
 975}
 976
 977static u32 i40e_get_msglevel(struct net_device *netdev)
 978{
 979        struct i40e_netdev_priv *np = netdev_priv(netdev);
 980        struct i40e_pf *pf = np->vsi->back;
 981
 982        return pf->msg_enable;
 983}
 984
 985static void i40e_set_msglevel(struct net_device *netdev, u32 data)
 986{
 987        struct i40e_netdev_priv *np = netdev_priv(netdev);
 988        struct i40e_pf *pf = np->vsi->back;
 989
 990        if (I40E_DEBUG_USER & data)
 991                pf->hw.debug_mask = data;
 992        pf->msg_enable = data;
 993}
 994
 995static int i40e_get_regs_len(struct net_device *netdev)
 996{
 997        int reg_count = 0;
 998        int i;
 999
1000        for (i = 0; i40e_reg_list[i].offset != 0; i++)
1001                reg_count += i40e_reg_list[i].elements;
1002
1003        return reg_count * sizeof(u32);
1004}
1005
1006static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
1007                          void *p)
1008{
1009        struct i40e_netdev_priv *np = netdev_priv(netdev);
1010        struct i40e_pf *pf = np->vsi->back;
1011        struct i40e_hw *hw = &pf->hw;
1012        u32 *reg_buf = p;
1013        int i, j, ri;
1014        u32 reg;
1015
1016        /* Tell ethtool which driver-version-specific regs output we have.
1017         *
1018         * At some point, if we have ethtool doing special formatting of
1019         * this data, it will rely on this version number to know how to
1020         * interpret things.  Hence, this needs to be updated if/when the
1021         * diags register table is changed.
1022         */
1023        regs->version = 1;
1024
1025        /* loop through the diags reg table for what to print */
1026        ri = 0;
1027        for (i = 0; i40e_reg_list[i].offset != 0; i++) {
1028                for (j = 0; j < i40e_reg_list[i].elements; j++) {
1029                        reg = i40e_reg_list[i].offset
1030                                + (j * i40e_reg_list[i].stride);
1031                        reg_buf[ri++] = rd32(hw, reg);
1032                }
1033        }
1034
1035}
1036
1037static int i40e_get_eeprom(struct net_device *netdev,
1038                           struct ethtool_eeprom *eeprom, u8 *bytes)
1039{
1040        struct i40e_netdev_priv *np = netdev_priv(netdev);
1041        struct i40e_hw *hw = &np->vsi->back->hw;
1042        struct i40e_pf *pf = np->vsi->back;
1043        int ret_val = 0, len, offset;
1044        u8 *eeprom_buff;
1045        u16 i, sectors;
1046        bool last;
1047        u32 magic;
1048
1049#define I40E_NVM_SECTOR_SIZE  4096
1050        if (eeprom->len == 0)
1051                return -EINVAL;
1052
1053        /* check for NVMUpdate access method */
1054        magic = hw->vendor_id | (hw->device_id << 16);
1055        if (eeprom->magic && eeprom->magic != magic) {
1056                struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
1057                int errno = 0;
1058
1059                /* make sure it is the right magic for NVMUpdate */
1060                if ((eeprom->magic >> 16) != hw->device_id)
1061                        errno = -EINVAL;
1062                else if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
1063                         test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
1064                        errno = -EBUSY;
1065                else
1066                        ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1067
1068                if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM))
1069                        dev_info(&pf->pdev->dev,
1070                                 "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1071                                 ret_val, hw->aq.asq_last_status, errno,
1072                                 (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1073                                 cmd->offset, cmd->data_size);
1074
1075                return errno;
1076        }
1077
1078        /* normal ethtool get_eeprom support */
1079        eeprom->magic = hw->vendor_id | (hw->device_id << 16);
1080
1081        eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
1082        if (!eeprom_buff)
1083                return -ENOMEM;
1084
1085        ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
1086        if (ret_val) {
1087                dev_info(&pf->pdev->dev,
1088                         "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
1089                         ret_val, hw->aq.asq_last_status);
1090                goto free_buff;
1091        }
1092
1093        sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
1094        sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
1095        len = I40E_NVM_SECTOR_SIZE;
1096        last = false;
1097        for (i = 0; i < sectors; i++) {
1098                if (i == (sectors - 1)) {
1099                        len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
1100                        last = true;
1101                }
1102                offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
1103                ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
1104                                (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
1105                                last, NULL);
1106                if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
1107                        dev_info(&pf->pdev->dev,
1108                                 "read NVM failed, invalid offset 0x%x\n",
1109                                 offset);
1110                        break;
1111                } else if (ret_val &&
1112                           hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
1113                        dev_info(&pf->pdev->dev,
1114                                 "read NVM failed, access, offset 0x%x\n",
1115                                 offset);
1116                        break;
1117                } else if (ret_val) {
1118                        dev_info(&pf->pdev->dev,
1119                                 "read NVM failed offset %d err=%d status=0x%x\n",
1120                                 offset, ret_val, hw->aq.asq_last_status);
1121                        break;
1122                }
1123        }
1124
1125        i40e_release_nvm(hw);
1126        memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
1127free_buff:
1128        kfree(eeprom_buff);
1129        return ret_val;
1130}
1131
1132static int i40e_get_eeprom_len(struct net_device *netdev)
1133{
1134        struct i40e_netdev_priv *np = netdev_priv(netdev);
1135        struct i40e_hw *hw = &np->vsi->back->hw;
1136        u32 val;
1137
1138        val = (rd32(hw, I40E_GLPCI_LBARCTRL)
1139                & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
1140                >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
1141        /* register returns value in power of 2, 64Kbyte chunks. */
1142        val = (64 * 1024) * BIT(val);
1143        return val;
1144}
1145
1146static int i40e_set_eeprom(struct net_device *netdev,
1147                           struct ethtool_eeprom *eeprom, u8 *bytes)
1148{
1149        struct i40e_netdev_priv *np = netdev_priv(netdev);
1150        struct i40e_hw *hw = &np->vsi->back->hw;
1151        struct i40e_pf *pf = np->vsi->back;
1152        struct i40e_nvm_access *cmd = (struct i40e_nvm_access *)eeprom;
1153        int ret_val = 0;
1154        int errno = 0;
1155        u32 magic;
1156
1157        /* normal ethtool set_eeprom is not supported */
1158        magic = hw->vendor_id | (hw->device_id << 16);
1159        if (eeprom->magic == magic)
1160                errno = -EOPNOTSUPP;
1161        /* check for NVMUpdate access method */
1162        else if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
1163                errno = -EINVAL;
1164        else if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
1165                 test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
1166                errno = -EBUSY;
1167        else
1168                ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1169
1170        if ((errno || ret_val) && (hw->debug_mask & I40E_DEBUG_NVM))
1171                dev_info(&pf->pdev->dev,
1172                         "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1173                         ret_val, hw->aq.asq_last_status, errno,
1174                         (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1175                         cmd->offset, cmd->data_size);
1176
1177        return errno;
1178}
1179
1180static void i40e_get_drvinfo(struct net_device *netdev,
1181                             struct ethtool_drvinfo *drvinfo)
1182{
1183        struct i40e_netdev_priv *np = netdev_priv(netdev);
1184        struct i40e_vsi *vsi = np->vsi;
1185        struct i40e_pf *pf = vsi->back;
1186
1187        strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
1188        strlcpy(drvinfo->version, i40e_driver_version_str,
1189                sizeof(drvinfo->version));
1190        strlcpy(drvinfo->fw_version, i40e_nvm_version_str(&pf->hw),
1191                sizeof(drvinfo->fw_version));
1192        strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
1193                sizeof(drvinfo->bus_info));
1194        if (pf->hw.pf_id == 0)
1195                drvinfo->n_priv_flags = I40E_PRIV_FLAGS_GL_STR_LEN;
1196        else
1197                drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN;
1198}
1199
1200static void i40e_get_ringparam(struct net_device *netdev,
1201                               struct ethtool_ringparam *ring)
1202{
1203        struct i40e_netdev_priv *np = netdev_priv(netdev);
1204        struct i40e_pf *pf = np->vsi->back;
1205        struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
1206
1207        ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1208        ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1209        ring->rx_mini_max_pending = 0;
1210        ring->rx_jumbo_max_pending = 0;
1211        ring->rx_pending = vsi->rx_rings[0]->count;
1212        ring->tx_pending = vsi->tx_rings[0]->count;
1213        ring->rx_mini_pending = 0;
1214        ring->rx_jumbo_pending = 0;
1215}
1216
1217static int i40e_set_ringparam(struct net_device *netdev,
1218                              struct ethtool_ringparam *ring)
1219{
1220        struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
1221        struct i40e_netdev_priv *np = netdev_priv(netdev);
1222        struct i40e_vsi *vsi = np->vsi;
1223        struct i40e_pf *pf = vsi->back;
1224        u32 new_rx_count, new_tx_count;
1225        int i, err = 0;
1226
1227        if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1228                return -EINVAL;
1229
1230        if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1231            ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
1232            ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1233            ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
1234                netdev_info(netdev,
1235                            "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
1236                            ring->tx_pending, ring->rx_pending,
1237                            I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
1238                return -EINVAL;
1239        }
1240
1241        new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1242        new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1243
1244        /* if nothing to do return success */
1245        if ((new_tx_count == vsi->tx_rings[0]->count) &&
1246            (new_rx_count == vsi->rx_rings[0]->count))
1247                return 0;
1248
1249        while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state))
1250                usleep_range(1000, 2000);
1251
1252        if (!netif_running(vsi->netdev)) {
1253                /* simple case - set for the next time the netdev is started */
1254                for (i = 0; i < vsi->num_queue_pairs; i++) {
1255                        vsi->tx_rings[i]->count = new_tx_count;
1256                        vsi->rx_rings[i]->count = new_rx_count;
1257                }
1258                goto done;
1259        }
1260
1261        /* We can't just free everything and then setup again,
1262         * because the ISRs in MSI-X mode get passed pointers
1263         * to the Tx and Rx ring structs.
1264         */
1265
1266        /* alloc updated Tx resources */
1267        if (new_tx_count != vsi->tx_rings[0]->count) {
1268                netdev_info(netdev,
1269                            "Changing Tx descriptor count from %d to %d.\n",
1270                            vsi->tx_rings[0]->count, new_tx_count);
1271                tx_rings = kcalloc(vsi->alloc_queue_pairs,
1272                                   sizeof(struct i40e_ring), GFP_KERNEL);
1273                if (!tx_rings) {
1274                        err = -ENOMEM;
1275                        goto done;
1276                }
1277
1278                for (i = 0; i < vsi->num_queue_pairs; i++) {
1279                        /* clone ring and setup updated count */
1280                        tx_rings[i] = *vsi->tx_rings[i];
1281                        tx_rings[i].count = new_tx_count;
1282                        /* the desc and bi pointers will be reallocated in the
1283                         * setup call
1284                         */
1285                        tx_rings[i].desc = NULL;
1286                        tx_rings[i].rx_bi = NULL;
1287                        err = i40e_setup_tx_descriptors(&tx_rings[i]);
1288                        if (err) {
1289                                while (i) {
1290                                        i--;
1291                                        i40e_free_tx_resources(&tx_rings[i]);
1292                                }
1293                                kfree(tx_rings);
1294                                tx_rings = NULL;
1295
1296                                goto done;
1297                        }
1298                }
1299        }
1300
1301        /* alloc updated Rx resources */
1302        if (new_rx_count != vsi->rx_rings[0]->count) {
1303                netdev_info(netdev,
1304                            "Changing Rx descriptor count from %d to %d\n",
1305                            vsi->rx_rings[0]->count, new_rx_count);
1306                rx_rings = kcalloc(vsi->alloc_queue_pairs,
1307                                   sizeof(struct i40e_ring), GFP_KERNEL);
1308                if (!rx_rings) {
1309                        err = -ENOMEM;
1310                        goto free_tx;
1311                }
1312
1313                for (i = 0; i < vsi->num_queue_pairs; i++) {
1314                        /* this is to allow wr32 to have something to write to
1315                         * during early allocation of Rx buffers
1316                         */
1317                        u32 __iomem faketail = 0;
1318                        struct i40e_ring *ring;
1319                        u16 unused;
1320
1321                        /* clone ring and setup updated count */
1322                        rx_rings[i] = *vsi->rx_rings[i];
1323                        rx_rings[i].count = new_rx_count;
1324                        /* the desc and bi pointers will be reallocated in the
1325                         * setup call
1326                         */
1327                        rx_rings[i].desc = NULL;
1328                        rx_rings[i].rx_bi = NULL;
1329                        rx_rings[i].tail = (u8 __iomem *)&faketail;
1330                        err = i40e_setup_rx_descriptors(&rx_rings[i]);
1331                        if (err)
1332                                goto rx_unwind;
1333
1334                        /* now allocate the Rx buffers to make sure the OS
1335                         * has enough memory, any failure here means abort
1336                         */
1337                        ring = &rx_rings[i];
1338                        unused = I40E_DESC_UNUSED(ring);
1339                        err = i40e_alloc_rx_buffers(ring, unused);
1340rx_unwind:
1341                        if (err) {
1342                                do {
1343                                        i40e_free_rx_resources(&rx_rings[i]);
1344                                } while (i--);
1345                                kfree(rx_rings);
1346                                rx_rings = NULL;
1347
1348                                goto free_tx;
1349                        }
1350                }
1351        }
1352
1353        /* Bring interface down, copy in the new ring info,
1354         * then restore the interface
1355         */
1356        i40e_down(vsi);
1357
1358        if (tx_rings) {
1359                for (i = 0; i < vsi->num_queue_pairs; i++) {
1360                        i40e_free_tx_resources(vsi->tx_rings[i]);
1361                        *vsi->tx_rings[i] = tx_rings[i];
1362                }
1363                kfree(tx_rings);
1364                tx_rings = NULL;
1365        }
1366
1367        if (rx_rings) {
1368                for (i = 0; i < vsi->num_queue_pairs; i++) {
1369                        i40e_free_rx_resources(vsi->rx_rings[i]);
1370                        /* get the real tail offset */
1371                        rx_rings[i].tail = vsi->rx_rings[i]->tail;
1372                        /* this is to fake out the allocation routine
1373                         * into thinking it has to realloc everything
1374                         * but the recycling logic will let us re-use
1375                         * the buffers allocated above
1376                         */
1377                        rx_rings[i].next_to_use = 0;
1378                        rx_rings[i].next_to_clean = 0;
1379                        rx_rings[i].next_to_alloc = 0;
1380                        /* do a struct copy */
1381                        *vsi->rx_rings[i] = rx_rings[i];
1382                }
1383                kfree(rx_rings);
1384                rx_rings = NULL;
1385        }
1386
1387        i40e_up(vsi);
1388
1389free_tx:
1390        /* error cleanup if the Rx allocations failed after getting Tx */
1391        if (tx_rings) {
1392                for (i = 0; i < vsi->num_queue_pairs; i++)
1393                        i40e_free_tx_resources(&tx_rings[i]);
1394                kfree(tx_rings);
1395                tx_rings = NULL;
1396        }
1397
1398done:
1399        clear_bit(__I40E_CONFIG_BUSY, &pf->state);
1400
1401        return err;
1402}
1403
1404static int i40e_get_sset_count(struct net_device *netdev, int sset)
1405{
1406        struct i40e_netdev_priv *np = netdev_priv(netdev);
1407        struct i40e_vsi *vsi = np->vsi;
1408        struct i40e_pf *pf = vsi->back;
1409
1410        switch (sset) {
1411        case ETH_SS_TEST:
1412                return I40E_TEST_LEN;
1413        case ETH_SS_STATS:
1414                if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
1415                        int len = I40E_PF_STATS_LEN(netdev);
1416
1417                        if ((pf->lan_veb != I40E_NO_VEB) &&
1418                            (pf->flags & I40E_FLAG_VEB_STATS_ENABLED))
1419                                len += I40E_VEB_STATS_TOTAL;
1420                        return len;
1421                } else {
1422                        return I40E_VSI_STATS_LEN(netdev);
1423                }
1424        case ETH_SS_PRIV_FLAGS:
1425                if (pf->hw.pf_id == 0)
1426                        return I40E_PRIV_FLAGS_GL_STR_LEN;
1427                else
1428                        return I40E_PRIV_FLAGS_STR_LEN;
1429        default:
1430                return -EOPNOTSUPP;
1431        }
1432}
1433
1434static void i40e_get_ethtool_stats(struct net_device *netdev,
1435                                   struct ethtool_stats *stats, u64 *data)
1436{
1437        struct i40e_netdev_priv *np = netdev_priv(netdev);
1438        struct i40e_ring *tx_ring, *rx_ring;
1439        struct i40e_vsi *vsi = np->vsi;
1440        struct i40e_pf *pf = vsi->back;
1441        int i = 0;
1442        char *p;
1443        int j;
1444        struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
1445        unsigned int start;
1446
1447        i40e_update_stats(vsi);
1448
1449        for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
1450                p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
1451                data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
1452                        sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1453        }
1454        for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
1455                p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
1456                data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
1457                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1458        }
1459#ifdef I40E_FCOE
1460        for (j = 0; j < I40E_FCOE_STATS_LEN; j++) {
1461                p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset;
1462                data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat ==
1463                        sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1464        }
1465#endif
1466        rcu_read_lock();
1467        for (j = 0; j < vsi->num_queue_pairs; j++) {
1468                tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
1469
1470                if (!tx_ring)
1471                        continue;
1472
1473                /* process Tx ring statistics */
1474                do {
1475                        start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
1476                        data[i] = tx_ring->stats.packets;
1477                        data[i + 1] = tx_ring->stats.bytes;
1478                } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
1479                i += 2;
1480
1481                /* Rx ring is the 2nd half of the queue pair */
1482                rx_ring = &tx_ring[1];
1483                do {
1484                        start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
1485                        data[i] = rx_ring->stats.packets;
1486                        data[i + 1] = rx_ring->stats.bytes;
1487                } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
1488                i += 2;
1489        }
1490        rcu_read_unlock();
1491        if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1492                return;
1493
1494        if ((pf->lan_veb != I40E_NO_VEB) &&
1495            (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1496                struct i40e_veb *veb = pf->veb[pf->lan_veb];
1497
1498                for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
1499                        p = (char *)veb;
1500                        p += i40e_gstrings_veb_stats[j].stat_offset;
1501                        data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
1502                                     sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1503                }
1504                for (j = 0; j < I40E_MAX_TRAFFIC_CLASS; j++) {
1505                        data[i++] = veb->tc_stats.tc_tx_packets[j];
1506                        data[i++] = veb->tc_stats.tc_tx_bytes[j];
1507                        data[i++] = veb->tc_stats.tc_rx_packets[j];
1508                        data[i++] = veb->tc_stats.tc_rx_bytes[j];
1509                }
1510        }
1511        for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
1512                p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
1513                data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
1514                             sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1515        }
1516        for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1517                data[i++] = pf->stats.priority_xon_tx[j];
1518                data[i++] = pf->stats.priority_xoff_tx[j];
1519        }
1520        for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1521                data[i++] = pf->stats.priority_xon_rx[j];
1522                data[i++] = pf->stats.priority_xoff_rx[j];
1523        }
1524        for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
1525                data[i++] = pf->stats.priority_xon_2_xoff[j];
1526}
1527
1528static void i40e_get_strings(struct net_device *netdev, u32 stringset,
1529                             u8 *data)
1530{
1531        struct i40e_netdev_priv *np = netdev_priv(netdev);
1532        struct i40e_vsi *vsi = np->vsi;
1533        struct i40e_pf *pf = vsi->back;
1534        char *p = (char *)data;
1535        int i;
1536
1537        switch (stringset) {
1538        case ETH_SS_TEST:
1539                for (i = 0; i < I40E_TEST_LEN; i++) {
1540                        memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN);
1541                        data += ETH_GSTRING_LEN;
1542                }
1543                break;
1544        case ETH_SS_STATS:
1545                for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
1546                        snprintf(p, ETH_GSTRING_LEN, "%s",
1547                                 i40e_gstrings_net_stats[i].stat_string);
1548                        p += ETH_GSTRING_LEN;
1549                }
1550                for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
1551                        snprintf(p, ETH_GSTRING_LEN, "%s",
1552                                 i40e_gstrings_misc_stats[i].stat_string);
1553                        p += ETH_GSTRING_LEN;
1554                }
1555#ifdef I40E_FCOE
1556                for (i = 0; i < I40E_FCOE_STATS_LEN; i++) {
1557                        snprintf(p, ETH_GSTRING_LEN, "%s",
1558                                 i40e_gstrings_fcoe_stats[i].stat_string);
1559                        p += ETH_GSTRING_LEN;
1560                }
1561#endif
1562                for (i = 0; i < vsi->num_queue_pairs; i++) {
1563                        snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_packets", i);
1564                        p += ETH_GSTRING_LEN;
1565                        snprintf(p, ETH_GSTRING_LEN, "tx-%d.tx_bytes", i);
1566                        p += ETH_GSTRING_LEN;
1567                        snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_packets", i);
1568                        p += ETH_GSTRING_LEN;
1569                        snprintf(p, ETH_GSTRING_LEN, "rx-%d.rx_bytes", i);
1570                        p += ETH_GSTRING_LEN;
1571                }
1572                if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1573                        return;
1574
1575                if ((pf->lan_veb != I40E_NO_VEB) &&
1576                    (pf->flags & I40E_FLAG_VEB_STATS_ENABLED)) {
1577                        for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
1578                                snprintf(p, ETH_GSTRING_LEN, "veb.%s",
1579                                        i40e_gstrings_veb_stats[i].stat_string);
1580                                p += ETH_GSTRING_LEN;
1581                        }
1582                        for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1583                                snprintf(p, ETH_GSTRING_LEN,
1584                                         "veb.tc_%d_tx_packets", i);
1585                                p += ETH_GSTRING_LEN;
1586                                snprintf(p, ETH_GSTRING_LEN,
1587                                         "veb.tc_%d_tx_bytes", i);
1588                                p += ETH_GSTRING_LEN;
1589                                snprintf(p, ETH_GSTRING_LEN,
1590                                         "veb.tc_%d_rx_packets", i);
1591                                p += ETH_GSTRING_LEN;
1592                                snprintf(p, ETH_GSTRING_LEN,
1593                                         "veb.tc_%d_rx_bytes", i);
1594                                p += ETH_GSTRING_LEN;
1595                        }
1596                }
1597                for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
1598                        snprintf(p, ETH_GSTRING_LEN, "port.%s",
1599                                 i40e_gstrings_stats[i].stat_string);
1600                        p += ETH_GSTRING_LEN;
1601                }
1602                for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1603                        snprintf(p, ETH_GSTRING_LEN,
1604                                 "port.tx_priority_%d_xon", i);
1605                        p += ETH_GSTRING_LEN;
1606                        snprintf(p, ETH_GSTRING_LEN,
1607                                 "port.tx_priority_%d_xoff", i);
1608                        p += ETH_GSTRING_LEN;
1609                }
1610                for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1611                        snprintf(p, ETH_GSTRING_LEN,
1612                                 "port.rx_priority_%d_xon", i);
1613                        p += ETH_GSTRING_LEN;
1614                        snprintf(p, ETH_GSTRING_LEN,
1615                                 "port.rx_priority_%d_xoff", i);
1616                        p += ETH_GSTRING_LEN;
1617                }
1618                for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1619                        snprintf(p, ETH_GSTRING_LEN,
1620                                 "port.rx_priority_%d_xon_2_xoff", i);
1621                        p += ETH_GSTRING_LEN;
1622                }
1623                /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
1624                break;
1625        case ETH_SS_PRIV_FLAGS:
1626                if (pf->hw.pf_id == 0) {
1627                        for (i = 0; i < I40E_PRIV_FLAGS_GL_STR_LEN; i++) {
1628                                memcpy(data, i40e_priv_flags_strings_gl[i],
1629                                       ETH_GSTRING_LEN);
1630                                data += ETH_GSTRING_LEN;
1631                        }
1632                } else {
1633                        for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
1634                                memcpy(data, i40e_priv_flags_strings[i],
1635                                       ETH_GSTRING_LEN);
1636                                data += ETH_GSTRING_LEN;
1637                        }
1638                }
1639                break;
1640        default:
1641                break;
1642        }
1643}
1644
1645static int i40e_get_ts_info(struct net_device *dev,
1646                            struct ethtool_ts_info *info)
1647{
1648        struct i40e_pf *pf = i40e_netdev_to_pf(dev);
1649
1650        /* only report HW timestamping if PTP is enabled */
1651        if (!(pf->flags & I40E_FLAG_PTP))
1652                return ethtool_op_get_ts_info(dev, info);
1653
1654        info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1655                                SOF_TIMESTAMPING_RX_SOFTWARE |
1656                                SOF_TIMESTAMPING_SOFTWARE |
1657                                SOF_TIMESTAMPING_TX_HARDWARE |
1658                                SOF_TIMESTAMPING_RX_HARDWARE |
1659                                SOF_TIMESTAMPING_RAW_HARDWARE;
1660
1661        if (pf->ptp_clock)
1662                info->phc_index = ptp_clock_index(pf->ptp_clock);
1663        else
1664                info->phc_index = -1;
1665
1666        info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
1667
1668        info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1669                           BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
1670                           BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
1671
1672        return 0;
1673}
1674
1675static int i40e_link_test(struct net_device *netdev, u64 *data)
1676{
1677        struct i40e_netdev_priv *np = netdev_priv(netdev);
1678        struct i40e_pf *pf = np->vsi->back;
1679        i40e_status status;
1680        bool link_up = false;
1681
1682        netif_info(pf, hw, netdev, "link test\n");
1683        status = i40e_get_link_status(&pf->hw, &link_up);
1684        if (status) {
1685                netif_err(pf, drv, netdev, "link query timed out, please retry test\n");
1686                *data = 1;
1687                return *data;
1688        }
1689
1690        if (link_up)
1691                *data = 0;
1692        else
1693                *data = 1;
1694
1695        return *data;
1696}
1697
1698static int i40e_reg_test(struct net_device *netdev, u64 *data)
1699{
1700        struct i40e_netdev_priv *np = netdev_priv(netdev);
1701        struct i40e_pf *pf = np->vsi->back;
1702
1703        netif_info(pf, hw, netdev, "register test\n");
1704        *data = i40e_diag_reg_test(&pf->hw);
1705
1706        return *data;
1707}
1708
1709static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
1710{
1711        struct i40e_netdev_priv *np = netdev_priv(netdev);
1712        struct i40e_pf *pf = np->vsi->back;
1713
1714        netif_info(pf, hw, netdev, "eeprom test\n");
1715        *data = i40e_diag_eeprom_test(&pf->hw);
1716
1717        /* forcebly clear the NVM Update state machine */
1718        pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;
1719
1720        return *data;
1721}
1722
1723static int i40e_intr_test(struct net_device *netdev, u64 *data)
1724{
1725        struct i40e_netdev_priv *np = netdev_priv(netdev);
1726        struct i40e_pf *pf = np->vsi->back;
1727        u16 swc_old = pf->sw_int_count;
1728
1729        netif_info(pf, hw, netdev, "interrupt test\n");
1730        wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
1731             (I40E_PFINT_DYN_CTL0_INTENA_MASK |
1732              I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
1733              I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
1734              I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
1735              I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
1736        usleep_range(1000, 2000);
1737        *data = (swc_old == pf->sw_int_count);
1738
1739        return *data;
1740}
1741
1742static int i40e_loopback_test(struct net_device *netdev, u64 *data)
1743{
1744        struct i40e_netdev_priv *np = netdev_priv(netdev);
1745        struct i40e_pf *pf = np->vsi->back;
1746
1747        netif_info(pf, hw, netdev, "loopback test not implemented\n");
1748        *data = 0;
1749
1750        return *data;
1751}
1752
1753static inline bool i40e_active_vfs(struct i40e_pf *pf)
1754{
1755        struct i40e_vf *vfs = pf->vf;
1756        int i;
1757
1758        for (i = 0; i < pf->num_alloc_vfs; i++)
1759                if (test_bit(I40E_VF_STAT_ACTIVE, &vfs[i].vf_states))
1760                        return true;
1761        return false;
1762}
1763
1764static inline bool i40e_active_vmdqs(struct i40e_pf *pf)
1765{
1766        struct i40e_vsi **vsi = pf->vsi;
1767        int i;
1768
1769        for (i = 0; i < pf->num_alloc_vsi; i++) {
1770                if (!vsi[i])
1771                        continue;
1772                if (vsi[i]->type == I40E_VSI_VMDQ2)
1773                        return true;
1774        }
1775
1776        return false;
1777}
1778
1779static void i40e_diag_test(struct net_device *netdev,
1780                           struct ethtool_test *eth_test, u64 *data)
1781{
1782        struct i40e_netdev_priv *np = netdev_priv(netdev);
1783        bool if_running = netif_running(netdev);
1784        struct i40e_pf *pf = np->vsi->back;
1785
1786        if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1787                /* Offline tests */
1788                netif_info(pf, drv, netdev, "offline testing starting\n");
1789
1790                set_bit(__I40E_TESTING, &pf->state);
1791
1792                if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) {
1793                        dev_warn(&pf->pdev->dev,
1794                                 "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1795                        data[I40E_ETH_TEST_REG]         = 1;
1796                        data[I40E_ETH_TEST_EEPROM]      = 1;
1797                        data[I40E_ETH_TEST_INTR]        = 1;
1798                        data[I40E_ETH_TEST_LOOPBACK]    = 1;
1799                        data[I40E_ETH_TEST_LINK]        = 1;
1800                        eth_test->flags |= ETH_TEST_FL_FAILED;
1801                        clear_bit(__I40E_TESTING, &pf->state);
1802                        goto skip_ol_tests;
1803                }
1804
1805                /* If the device is online then take it offline */
1806                if (if_running)
1807                        /* indicate we're in test mode */
1808                        i40e_close(netdev);
1809                else
1810                        /* This reset does not affect link - if it is
1811                         * changed to a type of reset that does affect
1812                         * link then the following link test would have
1813                         * to be moved to before the reset
1814                         */
1815                        i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1816
1817                if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1818                        eth_test->flags |= ETH_TEST_FL_FAILED;
1819
1820                if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
1821                        eth_test->flags |= ETH_TEST_FL_FAILED;
1822
1823                if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
1824                        eth_test->flags |= ETH_TEST_FL_FAILED;
1825
1826                if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK]))
1827                        eth_test->flags |= ETH_TEST_FL_FAILED;
1828
1829                /* run reg test last, a reset is required after it */
1830                if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
1831                        eth_test->flags |= ETH_TEST_FL_FAILED;
1832
1833                clear_bit(__I40E_TESTING, &pf->state);
1834                i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1835
1836                if (if_running)
1837                        i40e_open(netdev);
1838        } else {
1839                /* Online tests */
1840                netif_info(pf, drv, netdev, "online testing starting\n");
1841
1842                if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1843                        eth_test->flags |= ETH_TEST_FL_FAILED;
1844
1845                /* Offline only tests, not run in online; pass by default */
1846                data[I40E_ETH_TEST_REG] = 0;
1847                data[I40E_ETH_TEST_EEPROM] = 0;
1848                data[I40E_ETH_TEST_INTR] = 0;
1849                data[I40E_ETH_TEST_LOOPBACK] = 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_HAVE_10GBASET_PHY)) {
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_HAVE_10GBASET_PHY))
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_HAVE_10GBASET_PHY))
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_HAVE_10GBASET_PHY)) {
1951                        i40e_led_set(hw, false, pf->led_status);
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