drivers/net/ethernet/intel/i40e/i40e_ethtool.c

   1 /*******************************************************************************
   2  *
   3  * Intel Ethernet Controller XL710 Family Linux Driver
   4  * Copyright(c) 2013 - 2015 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
  32 struct 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
  53 static 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
  67 static 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
  82 static 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 };
  91
  92 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
  93                                  struct ethtool_rxnfc *cmd);
  94
  95 /* These PF_STATs might look like duplicates of some NETDEV_STATs,
  96  * but they are separate.  This device supports Virtualization, and
  97  * as such might have several netdevs supporting VMDq and FCoE going
  98  * through a single port.  The NETDEV_STATs are for individual netdevs
  99  * seen at the top of the stack, and the PF_STATs are for the physical
 100  * function at the bottom of the stack hosting those netdevs.
 101  *
 102  * The PF_STATs are appended to the netdev stats only when ethtool -S
 103  * is queried on the base PF netdev, not on the VMDq or FCoE netdev.
 104  */
 105 static struct i40e_stats i40e_gstrings_stats[] = {
 106         I40E_PF_STAT("rx_bytes", stats.eth.rx_bytes),
 107         I40E_PF_STAT("tx_bytes", stats.eth.tx_bytes),
 108         I40E_PF_STAT("rx_unicast", stats.eth.rx_unicast),
 109         I40E_PF_STAT("tx_unicast", stats.eth.tx_unicast),
 110         I40E_PF_STAT("rx_multicast", stats.eth.rx_multicast),
 111         I40E_PF_STAT("tx_multicast", stats.eth.tx_multicast),
 112         I40E_PF_STAT("rx_broadcast", stats.eth.rx_broadcast),
 113         I40E_PF_STAT("tx_broadcast", stats.eth.tx_broadcast),
 114         I40E_PF_STAT("tx_errors", stats.eth.tx_errors),
 115         I40E_PF_STAT("rx_dropped", stats.eth.rx_discards),
 116         I40E_PF_STAT("tx_dropped_link_down", stats.tx_dropped_link_down),
 117         I40E_PF_STAT("rx_crc_errors", stats.crc_errors),
 118         I40E_PF_STAT("illegal_bytes", stats.illegal_bytes),
 119         I40E_PF_STAT("mac_local_faults", stats.mac_local_faults),
 120         I40E_PF_STAT("mac_remote_faults", stats.mac_remote_faults),
 121         I40E_PF_STAT("tx_timeout", tx_timeout_count),
 122         I40E_PF_STAT("rx_csum_bad", hw_csum_rx_error),
 123         I40E_PF_STAT("rx_length_errors", stats.rx_length_errors),
 124         I40E_PF_STAT("link_xon_rx", stats.link_xon_rx),
 125         I40E_PF_STAT("link_xoff_rx", stats.link_xoff_rx),
 126         I40E_PF_STAT("link_xon_tx", stats.link_xon_tx),
 127         I40E_PF_STAT("link_xoff_tx", stats.link_xoff_tx),
 128         I40E_PF_STAT("rx_size_64", stats.rx_size_64),
 129         I40E_PF_STAT("rx_size_127", stats.rx_size_127),
 130         I40E_PF_STAT("rx_size_255", stats.rx_size_255),
 131         I40E_PF_STAT("rx_size_511", stats.rx_size_511),
 132         I40E_PF_STAT("rx_size_1023", stats.rx_size_1023),
 133         I40E_PF_STAT("rx_size_1522", stats.rx_size_1522),
 134         I40E_PF_STAT("rx_size_big", stats.rx_size_big),
 135         I40E_PF_STAT("tx_size_64", stats.tx_size_64),
 136         I40E_PF_STAT("tx_size_127", stats.tx_size_127),
 137         I40E_PF_STAT("tx_size_255", stats.tx_size_255),
 138         I40E_PF_STAT("tx_size_511", stats.tx_size_511),
 139         I40E_PF_STAT("tx_size_1023", stats.tx_size_1023),
 140         I40E_PF_STAT("tx_size_1522", stats.tx_size_1522),
 141         I40E_PF_STAT("tx_size_big", stats.tx_size_big),
 142         I40E_PF_STAT("rx_undersize", stats.rx_undersize),
 143         I40E_PF_STAT("rx_fragments", stats.rx_fragments),
 144         I40E_PF_STAT("rx_oversize", stats.rx_oversize),
 145         I40E_PF_STAT("rx_jabber", stats.rx_jabber),
 146         I40E_PF_STAT("VF_admin_queue_requests", vf_aq_requests),
 147         I40E_PF_STAT("rx_hwtstamp_cleared", rx_hwtstamp_cleared),
 148         I40E_PF_STAT("fdir_flush_cnt", fd_flush_cnt),
 149         I40E_PF_STAT("fdir_atr_match", stats.fd_atr_match),
 150         I40E_PF_STAT("fdir_atr_tunnel_match", stats.fd_atr_tunnel_match),
 151         I40E_PF_STAT("fdir_atr_status", stats.fd_atr_status),
 152         I40E_PF_STAT("fdir_sb_match", stats.fd_sb_match),
 153         I40E_PF_STAT("fdir_sb_status", stats.fd_sb_status),
 154
 155         /* LPI stats */
 156         I40E_PF_STAT("tx_lpi_status", stats.tx_lpi_status),
 157         I40E_PF_STAT("rx_lpi_status", stats.rx_lpi_status),
 158         I40E_PF_STAT("tx_lpi_count", stats.tx_lpi_count),
 159         I40E_PF_STAT("rx_lpi_count", stats.rx_lpi_count),
 160 };
 161
 162 #ifdef I40E_FCOE
 163 static const struct i40e_stats i40e_gstrings_fcoe_stats[] = {
 164         I40E_VSI_STAT("fcoe_bad_fccrc", fcoe_stats.fcoe_bad_fccrc),
 165         I40E_VSI_STAT("rx_fcoe_dropped", fcoe_stats.rx_fcoe_dropped),
 166         I40E_VSI_STAT("rx_fcoe_packets", fcoe_stats.rx_fcoe_packets),
 167         I40E_VSI_STAT("rx_fcoe_dwords", fcoe_stats.rx_fcoe_dwords),
 168         I40E_VSI_STAT("fcoe_ddp_count", fcoe_stats.fcoe_ddp_count),
 169         I40E_VSI_STAT("fcoe_last_error", fcoe_stats.fcoe_last_error),
 170         I40E_VSI_STAT("tx_fcoe_packets", fcoe_stats.tx_fcoe_packets),
 171         I40E_VSI_STAT("tx_fcoe_dwords", fcoe_stats.tx_fcoe_dwords),
 172 };
 173
 174 #endif /* I40E_FCOE */
 175 #define I40E_QUEUE_STATS_LEN(n) \
 176         (((struct i40e_netdev_priv *)netdev_priv((n)))->vsi->num_queue_pairs \
 177             * 2 /* Tx and Rx together */                                     \
 178             * (sizeof(struct i40e_queue_stats) / sizeof(u64)))
 179 #define I40E_GLOBAL_STATS_LEN   ARRAY_SIZE(i40e_gstrings_stats)
 180 #define I40E_NETDEV_STATS_LEN   ARRAY_SIZE(i40e_gstrings_net_stats)
 181 #define I40E_MISC_STATS_LEN     ARRAY_SIZE(i40e_gstrings_misc_stats)
 182 #ifdef I40E_FCOE
 183 #define I40E_FCOE_STATS_LEN     ARRAY_SIZE(i40e_gstrings_fcoe_stats)
 184 #define I40E_VSI_STATS_LEN(n)   (I40E_NETDEV_STATS_LEN + \
 185                                  I40E_FCOE_STATS_LEN + \
 186                                  I40E_MISC_STATS_LEN + \
 187                                  I40E_QUEUE_STATS_LEN((n)))
 188 #else
 189 #define I40E_VSI_STATS_LEN(n)   (I40E_NETDEV_STATS_LEN + \
 190                                  I40E_MISC_STATS_LEN + \
 191                                  I40E_QUEUE_STATS_LEN((n)))
 192 #endif /* I40E_FCOE */
 193 #define I40E_PFC_STATS_LEN ( \
 194                 (FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_rx) + \
 195                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_rx) + \
 196                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xoff_tx) + \
 197                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_tx) + \
 198                  FIELD_SIZEOF(struct i40e_pf, stats.priority_xon_2_xoff)) \
 199                  / sizeof(u64))
 200 #define I40E_VEB_TC_STATS_LEN ( \
 201                 (FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_packets) + \
 202                  FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_rx_bytes) + \
 203                  FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_packets) + \
 204                  FIELD_SIZEOF(struct i40e_veb, tc_stats.tc_tx_bytes)) \
 205                  / sizeof(u64))
 206 #define I40E_VEB_STATS_LEN      ARRAY_SIZE(i40e_gstrings_veb_stats)
 207 #define I40E_VEB_STATS_TOTAL    (I40E_VEB_STATS_LEN + I40E_VEB_TC_STATS_LEN)
 208 #define I40E_PF_STATS_LEN(n)    (I40E_GLOBAL_STATS_LEN + \
 209                                  I40E_PFC_STATS_LEN + \
 210                                  I40E_VSI_STATS_LEN((n)))
 211
 212 enum i40e_ethtool_test_id {
 213         I40E_ETH_TEST_REG = 0,
 214         I40E_ETH_TEST_EEPROM,
 215         I40E_ETH_TEST_INTR,
 216         I40E_ETH_TEST_LOOPBACK,
 217         I40E_ETH_TEST_LINK,
 218 };
 219
 220 static const char i40e_gstrings_test[][ETH_GSTRING_LEN] = {
 221         "Register test  (offline)",
 222         "Eeprom test    (offline)",
 223         "Interrupt test (offline)",
 224         "Loopback test  (offline)",
 225         "Link test   (on/offline)"
 226 };
 227
 228 #define I40E_TEST_LEN (sizeof(i40e_gstrings_test) / ETH_GSTRING_LEN)
 229
 230 static const char i40e_priv_flags_strings[][ETH_GSTRING_LEN] = {
 231         "NPAR",
 232 };
 233
 234 #define I40E_PRIV_FLAGS_STR_LEN \
 235         (sizeof(i40e_priv_flags_strings) / ETH_GSTRING_LEN)
 236
 237 /**
 238  * i40e_partition_setting_complaint - generic complaint for MFP restriction
 239  * @pf: the PF struct
 240  **/
 241 static void i40e_partition_setting_complaint(struct i40e_pf *pf)
 242 {
 243         dev_info(&pf->pdev->dev,
 244                  "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");
 245 }
 246
 247 /**
 248  * i40e_get_settings_link_up - Get the Link settings for when link is up
 249  * @hw: hw structure
 250  * @ecmd: ethtool command to fill in
 251  * @netdev: network interface device structure
 252  *
 253  **/
 254 static void i40e_get_settings_link_up(struct i40e_hw *hw,
 255                                       struct ethtool_cmd *ecmd,
 256                                       struct net_device *netdev)
 257 {
 258         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 259         u32 link_speed = hw_link_info->link_speed;
 260
 261         /* Initialize supported and advertised settings based on phy settings */
 262         switch (hw_link_info->phy_type) {
 263         case I40E_PHY_TYPE_40GBASE_CR4:
 264         case I40E_PHY_TYPE_40GBASE_CR4_CU:
 265                 ecmd->supported = SUPPORTED_Autoneg |
 266                                   SUPPORTED_40000baseCR4_Full;
 267                 ecmd->advertising = ADVERTISED_Autoneg |
 268                                     ADVERTISED_40000baseCR4_Full;
 269                 break;
 270         case I40E_PHY_TYPE_XLAUI:
 271         case I40E_PHY_TYPE_XLPPI:
 272         case I40E_PHY_TYPE_40GBASE_AOC:
 273                 ecmd->supported = SUPPORTED_40000baseCR4_Full;
 274                 break;
 275         case I40E_PHY_TYPE_40GBASE_KR4:
 276                 ecmd->supported = SUPPORTED_Autoneg |
 277                                   SUPPORTED_40000baseKR4_Full;
 278                 ecmd->advertising = ADVERTISED_Autoneg |
 279                                     ADVERTISED_40000baseKR4_Full;
 280                 break;
 281         case I40E_PHY_TYPE_40GBASE_SR4:
 282                 ecmd->supported = SUPPORTED_40000baseSR4_Full;
 283                 break;
 284         case I40E_PHY_TYPE_40GBASE_LR4:
 285                 ecmd->supported = SUPPORTED_40000baseLR4_Full;
 286                 break;
 287         case I40E_PHY_TYPE_20GBASE_KR2:
 288                 ecmd->supported = SUPPORTED_Autoneg |
 289                                   SUPPORTED_20000baseKR2_Full;
 290                 ecmd->advertising = ADVERTISED_Autoneg |
 291                                     ADVERTISED_20000baseKR2_Full;
 292                 break;
 293         case I40E_PHY_TYPE_10GBASE_KX4:
 294                 ecmd->supported = SUPPORTED_Autoneg |
 295                                   SUPPORTED_10000baseKX4_Full;
 296                 ecmd->advertising = ADVERTISED_Autoneg |
 297                                     ADVERTISED_10000baseKX4_Full;
 298                 break;
 299         case I40E_PHY_TYPE_10GBASE_KR:
 300                 ecmd->supported = SUPPORTED_Autoneg |
 301                                   SUPPORTED_10000baseKR_Full;
 302                 ecmd->advertising = ADVERTISED_Autoneg |
 303                                     ADVERTISED_10000baseKR_Full;
 304                 break;
 305         case I40E_PHY_TYPE_10GBASE_SR:
 306         case I40E_PHY_TYPE_10GBASE_LR:
 307         case I40E_PHY_TYPE_1000BASE_SX:
 308         case I40E_PHY_TYPE_1000BASE_LX:
 309                 ecmd->supported = SUPPORTED_10000baseT_Full |
 310                                   SUPPORTED_1000baseT_Full;
 311                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 312                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 313                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 314                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 315                 break;
 316         case I40E_PHY_TYPE_1000BASE_KX:
 317                 ecmd->supported = SUPPORTED_Autoneg |
 318                                   SUPPORTED_1000baseKX_Full;
 319                 ecmd->advertising = ADVERTISED_Autoneg |
 320                                     ADVERTISED_1000baseKX_Full;
 321                 break;
 322         case I40E_PHY_TYPE_10GBASE_T:
 323         case I40E_PHY_TYPE_1000BASE_T:
 324         case I40E_PHY_TYPE_100BASE_TX:
 325                 ecmd->supported = SUPPORTED_Autoneg |
 326                                   SUPPORTED_10000baseT_Full |
 327                                   SUPPORTED_1000baseT_Full |
 328                                   SUPPORTED_100baseT_Full;
 329                 ecmd->advertising = ADVERTISED_Autoneg;
 330                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 331                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 332                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 333                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 334                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
 335                         ecmd->advertising |= ADVERTISED_100baseT_Full;
 336                 break;
 337         case I40E_PHY_TYPE_10GBASE_CR1_CU:
 338         case I40E_PHY_TYPE_10GBASE_CR1:
 339                 ecmd->supported = SUPPORTED_Autoneg |
 340                                   SUPPORTED_10000baseT_Full;
 341                 ecmd->advertising = ADVERTISED_Autoneg |
 342                                     ADVERTISED_10000baseT_Full;
 343                 break;
 344         case I40E_PHY_TYPE_XAUI:
 345         case I40E_PHY_TYPE_XFI:
 346         case I40E_PHY_TYPE_SFI:
 347         case I40E_PHY_TYPE_10GBASE_SFPP_CU:
 348         case I40E_PHY_TYPE_10GBASE_AOC:
 349                 ecmd->supported = SUPPORTED_10000baseT_Full;
 350                 break;
 351         case I40E_PHY_TYPE_SGMII:
 352                 ecmd->supported = SUPPORTED_Autoneg |
 353                                   SUPPORTED_1000baseT_Full |
 354                                   SUPPORTED_100baseT_Full;
 355                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 356                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 357                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
 358                         ecmd->advertising |= ADVERTISED_100baseT_Full;
 359                 break;
 360         default:
 361                 /* if we got here and link is up something bad is afoot */
 362                 netdev_info(netdev, "WARNING: Link is up but PHY type 0x%x is not recognized.\n",
 363                             hw_link_info->phy_type);
 364         }
 365
 366         /* Set speed and duplex */
 367         switch (link_speed) {
 368         case I40E_LINK_SPEED_40GB:
 369                 ethtool_cmd_speed_set(ecmd, SPEED_40000);
 370                 break;
 371         case I40E_LINK_SPEED_20GB:
 372                 ethtool_cmd_speed_set(ecmd, SPEED_20000);
 373                 break;
 374         case I40E_LINK_SPEED_10GB:
 375                 ethtool_cmd_speed_set(ecmd, SPEED_10000);
 376                 break;
 377         case I40E_LINK_SPEED_1GB:
 378                 ethtool_cmd_speed_set(ecmd, SPEED_1000);
 379                 break;
 380         case I40E_LINK_SPEED_100MB:
 381                 ethtool_cmd_speed_set(ecmd, SPEED_100);
 382                 break;
 383         default:
 384                 break;
 385         }
 386         ecmd->duplex = DUPLEX_FULL;
 387 }
 388
 389 /**
 390  * i40e_get_settings_link_down - Get the Link settings for when link is down
 391  * @hw: hw structure
 392  * @ecmd: ethtool command to fill in
 393  *
 394  * Reports link settings that can be determined when link is down
 395  **/
 396 static void i40e_get_settings_link_down(struct i40e_hw *hw,
 397                                         struct ethtool_cmd *ecmd)
 398 {
 399         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 400
 401         /* link is down and the driver needs to fall back on
 402          * device ID to determine what kinds of info to display,
 403          * it's mostly a guess that may change when link is up
 404          */
 405         switch (hw->device_id) {
 406         case I40E_DEV_ID_QSFP_A:
 407         case I40E_DEV_ID_QSFP_B:
 408         case I40E_DEV_ID_QSFP_C:
 409                 /* pluggable QSFP */
 410                 ecmd->supported = SUPPORTED_40000baseSR4_Full |
 411                                   SUPPORTED_40000baseCR4_Full |
 412                                   SUPPORTED_40000baseLR4_Full;
 413                 ecmd->advertising = ADVERTISED_40000baseSR4_Full |
 414                                     ADVERTISED_40000baseCR4_Full |
 415                                     ADVERTISED_40000baseLR4_Full;
 416                 break;
 417         case I40E_DEV_ID_KX_B:
 418                 /* backplane 40G */
 419                 ecmd->supported = SUPPORTED_40000baseKR4_Full;
 420                 ecmd->advertising = ADVERTISED_40000baseKR4_Full;
 421                 break;
 422         case I40E_DEV_ID_KX_C:
 423                 /* backplane 10G */
 424                 ecmd->supported = SUPPORTED_10000baseKR_Full;
 425                 ecmd->advertising = ADVERTISED_10000baseKR_Full;
 426                 break;
 427         case I40E_DEV_ID_10G_BASE_T:
 428                 ecmd->supported = SUPPORTED_10000baseT_Full |
 429                                   SUPPORTED_1000baseT_Full |
 430                                   SUPPORTED_100baseT_Full;
 431                 /* Figure out what has been requested */
 432                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 433                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 434                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 435                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 436                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_100MB)
 437                         ecmd->advertising |= ADVERTISED_100baseT_Full;
 438                 break;
 439         case I40E_DEV_ID_20G_KR2:
 440                 /* backplane 20G */
 441                 ecmd->supported = SUPPORTED_20000baseKR2_Full;
 442                 ecmd->advertising = ADVERTISED_20000baseKR2_Full;
 443                 break;
 444         default:
 445                 /* all the rest are 10G/1G */
 446                 ecmd->supported = SUPPORTED_10000baseT_Full |
 447                                   SUPPORTED_1000baseT_Full;
 448                 /* Figure out what has been requested */
 449                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_10GB)
 450                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 451                 if (hw_link_info->requested_speeds & I40E_LINK_SPEED_1GB)
 452                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 453                 break;
 454         }
 455
 456         /* With no link speed and duplex are unknown */
 457         ethtool_cmd_speed_set(ecmd, SPEED_UNKNOWN);
 458         ecmd->duplex = DUPLEX_UNKNOWN;
 459 }
 460
 461 /**
 462  * i40e_get_settings - Get Link Speed and Duplex settings
 463  * @netdev: network interface device structure
 464  * @ecmd: ethtool command
 465  *
 466  * Reports speed/duplex settings based on media_type
 467  **/
 468 static int i40e_get_settings(struct net_device *netdev,
 469                              struct ethtool_cmd *ecmd)
 470 {
 471         struct i40e_netdev_priv *np = netdev_priv(netdev);
 472         struct i40e_pf *pf = np->vsi->back;
 473         struct i40e_hw *hw = &pf->hw;
 474         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 475         bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
 476
 477         if (link_up)
 478                 i40e_get_settings_link_up(hw, ecmd, netdev);
 479         else
 480                 i40e_get_settings_link_down(hw, ecmd);
 481
 482         /* Now set the settings that don't rely on link being up/down */
 483
 484         /* Set autoneg settings */
 485         ecmd->autoneg = ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 486                           AUTONEG_ENABLE : AUTONEG_DISABLE);
 487
 488         switch (hw->phy.media_type) {
 489         case I40E_MEDIA_TYPE_BACKPLANE:
 490                 ecmd->supported |= SUPPORTED_Autoneg |
 491                                    SUPPORTED_Backplane;
 492                 ecmd->advertising |= ADVERTISED_Autoneg |
 493                                      ADVERTISED_Backplane;
 494                 ecmd->port = PORT_NONE;
 495                 break;
 496         case I40E_MEDIA_TYPE_BASET:
 497                 ecmd->supported |= SUPPORTED_TP;
 498                 ecmd->advertising |= ADVERTISED_TP;
 499                 ecmd->port = PORT_TP;
 500                 break;
 501         case I40E_MEDIA_TYPE_DA:
 502         case I40E_MEDIA_TYPE_CX4:
 503                 ecmd->supported |= SUPPORTED_FIBRE;
 504                 ecmd->advertising |= ADVERTISED_FIBRE;
 505                 ecmd->port = PORT_DA;
 506                 break;
 507         case I40E_MEDIA_TYPE_FIBER:
 508                 ecmd->supported |= SUPPORTED_FIBRE;
 509                 ecmd->port = PORT_FIBRE;
 510                 break;
 511         case I40E_MEDIA_TYPE_UNKNOWN:
 512         default:
 513                 ecmd->port = PORT_OTHER;
 514                 break;
 515         }
 516
 517         /* Set transceiver */
 518         ecmd->transceiver = XCVR_EXTERNAL;
 519
 520         /* Set flow control settings */
 521         ecmd->supported |= SUPPORTED_Pause;
 522
 523         switch (hw->fc.requested_mode) {
 524         case I40E_FC_FULL:
 525                 ecmd->advertising |= ADVERTISED_Pause;
 526                 break;
 527         case I40E_FC_TX_PAUSE:
 528                 ecmd->advertising |= ADVERTISED_Asym_Pause;
 529                 break;
 530         case I40E_FC_RX_PAUSE:
 531                 ecmd->advertising |= (ADVERTISED_Pause |
 532                                       ADVERTISED_Asym_Pause);
 533                 break;
 534         default:
 535                 ecmd->advertising &= ~(ADVERTISED_Pause |
 536                                        ADVERTISED_Asym_Pause);
 537                 break;
 538         }
 539
 540         return 0;
 541 }
 542
 543 /**
 544  * i40e_set_settings - Set Speed and Duplex
 545  * @netdev: network interface device structure
 546  * @ecmd: ethtool command
 547  *
 548  * Set speed/duplex per media_types advertised/forced
 549  **/
 550 static int i40e_set_settings(struct net_device *netdev,
 551                              struct ethtool_cmd *ecmd)
 552 {
 553         struct i40e_netdev_priv *np = netdev_priv(netdev);
 554         struct i40e_aq_get_phy_abilities_resp abilities;
 555         struct i40e_aq_set_phy_config config;
 556         struct i40e_pf *pf = np->vsi->back;
 557         struct i40e_vsi *vsi = np->vsi;
 558         struct i40e_hw *hw = &pf->hw;
 559         struct ethtool_cmd safe_ecmd;
 560         i40e_status status = 0;
 561         bool change = false;
 562         int err = 0;
 563         u8 autoneg;
 564         u32 advertise;
 565
 566         /* Changing port settings is not supported if this isn't the
 567          * port's controlling PF
 568          */
 569         if (hw->partition_id != 1) {
 570                 i40e_partition_setting_complaint(pf);
 571                 return -EOPNOTSUPP;
 572         }
 573
 574         if (vsi != pf->vsi[pf->lan_vsi])
 575                 return -EOPNOTSUPP;
 576
 577         if (hw->phy.media_type != I40E_MEDIA_TYPE_BASET &&
 578             hw->phy.media_type != I40E_MEDIA_TYPE_FIBER &&
 579             hw->phy.media_type != I40E_MEDIA_TYPE_BACKPLANE &&
 580             hw->phy.link_info.link_info & I40E_AQ_LINK_UP)
 581                 return -EOPNOTSUPP;
 582
 583         /* get our own copy of the bits to check against */
 584         memset(&safe_ecmd, 0, sizeof(struct ethtool_cmd));
 585         i40e_get_settings(netdev, &safe_ecmd);
 586
 587         /* save autoneg and speed out of ecmd */
 588         autoneg = ecmd->autoneg;
 589         advertise = ecmd->advertising;
 590
 591         /* set autoneg and speed back to what they currently are */
 592         ecmd->autoneg = safe_ecmd.autoneg;
 593         ecmd->advertising = safe_ecmd.advertising;
 594
 595         ecmd->cmd = safe_ecmd.cmd;
 596         /* If ecmd and safe_ecmd are not the same now, then they are
 597          * trying to set something that we do not support
 598          */
 599         if (memcmp(ecmd, &safe_ecmd, sizeof(struct ethtool_cmd)))
 600                 return -EOPNOTSUPP;
 601
 602         while (test_bit(__I40E_CONFIG_BUSY, &vsi->state))
 603                 usleep_range(1000, 2000);
 604
 605         /* Get the current phy config */
 606         status = i40e_aq_get_phy_capabilities(hw, false, false, &abilities,
 607                                               NULL);
 608         if (status)
 609                 return -EAGAIN;
 610
 611         /* Copy abilities to config in case autoneg is not
 612          * set below
 613          */
 614         memset(&config, 0, sizeof(struct i40e_aq_set_phy_config));
 615         config.abilities = abilities.abilities;
 616
 617         /* Check autoneg */
 618         if (autoneg == AUTONEG_ENABLE) {
 619                 /* If autoneg is not supported, return error */
 620                 if (!(safe_ecmd.supported & SUPPORTED_Autoneg)) {
 621                         netdev_info(netdev, "Autoneg not supported on this phy\n");
 622                         return -EINVAL;
 623                 }
 624                 /* If autoneg was not already enabled */
 625                 if (!(hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED)) {
 626                         config.abilities = abilities.abilities |
 627                                            I40E_AQ_PHY_ENABLE_AN;
 628                         change = true;
 629                 }
 630         } else {
 631                 /* If autoneg is supported 10GBASE_T is the only phy that
 632                  * can disable it, so otherwise return error
 633                  */
 634                 if (safe_ecmd.supported & SUPPORTED_Autoneg &&
 635                     hw->phy.link_info.phy_type != I40E_PHY_TYPE_10GBASE_T) {
 636                         netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
 637                         return -EINVAL;
 638                 }
 639                 /* If autoneg is currently enabled */
 640                 if (hw->phy.link_info.an_info & I40E_AQ_AN_COMPLETED) {
 641                         config.abilities = abilities.abilities &
 642                                            ~I40E_AQ_PHY_ENABLE_AN;
 643                         change = true;
 644                 }
 645         }
 646
 647         if (advertise & ~safe_ecmd.supported)
 648                 return -EINVAL;
 649
 650         if (advertise & ADVERTISED_100baseT_Full)
 651                 config.link_speed |= I40E_LINK_SPEED_100MB;
 652         if (advertise & ADVERTISED_1000baseT_Full ||
 653             advertise & ADVERTISED_1000baseKX_Full)
 654                 config.link_speed |= I40E_LINK_SPEED_1GB;
 655         if (advertise & ADVERTISED_10000baseT_Full ||
 656             advertise & ADVERTISED_10000baseKX4_Full ||
 657             advertise & ADVERTISED_10000baseKR_Full)
 658                 config.link_speed |= I40E_LINK_SPEED_10GB;
 659         if (advertise & ADVERTISED_20000baseKR2_Full)
 660                 config.link_speed |= I40E_LINK_SPEED_20GB;
 661         if (advertise & ADVERTISED_40000baseKR4_Full ||
 662             advertise & ADVERTISED_40000baseCR4_Full ||
 663             advertise & ADVERTISED_40000baseSR4_Full ||
 664             advertise & ADVERTISED_40000baseLR4_Full)
 665                 config.link_speed |= I40E_LINK_SPEED_40GB;
 666
 667         if (change || (abilities.link_speed != config.link_speed)) {
 668                 /* copy over the rest of the abilities */
 669                 config.phy_type = abilities.phy_type;
 670                 config.eee_capability = abilities.eee_capability;
 671                 config.eeer = abilities.eeer_val;
 672                 config.low_power_ctrl = abilities.d3_lpan;
 673
 674                 /* save the requested speeds */
 675                 hw->phy.link_info.requested_speeds = config.link_speed;
 676                 /* set link and auto negotiation so changes take effect */
 677                 config.abilities |= I40E_AQ_PHY_ENABLE_ATOMIC_LINK;
 678                 /* If link is up put link down */
 679                 if (hw->phy.link_info.link_info & I40E_AQ_LINK_UP) {
 680                         /* Tell the OS link is going down, the link will go
 681                          * back up when fw says it is ready asynchronously
 682                          */
 683                         netdev_info(netdev, "PHY settings change requested, NIC Link is going down.\n");
 684                         netif_carrier_off(netdev);
 685                         netif_tx_stop_all_queues(netdev);
 686                 }
 687
 688                 /* make the aq call */
 689                 status = i40e_aq_set_phy_config(hw, &config, NULL);
 690                 if (status) {
 691                         netdev_info(netdev, "Set phy config failed, err %s aq_err %s\n",
 692                                     i40e_stat_str(hw, status),
 693                                     i40e_aq_str(hw, hw->aq.asq_last_status));
 694                         return -EAGAIN;
 695                 }
 696
 697                 status = i40e_aq_get_link_info(hw, true, NULL, NULL);
 698                 if (status)
 699                         netdev_info(netdev, "Updating link info failed with err %s aq_err %s\n",
 700                                     i40e_stat_str(hw, status),
 701                                     i40e_aq_str(hw, hw->aq.asq_last_status));
 702
 703         } else {
 704                 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
 705         }
 706
 707         return err;
 708 }
 709
 710 static int i40e_nway_reset(struct net_device *netdev)
 711 {
 712         /* restart autonegotiation */
 713         struct i40e_netdev_priv *np = netdev_priv(netdev);
 714         struct i40e_pf *pf = np->vsi->back;
 715         struct i40e_hw *hw = &pf->hw;
 716         bool link_up = hw->phy.link_info.link_info & I40E_AQ_LINK_UP;
 717         i40e_status ret = 0;
 718
 719         ret = i40e_aq_set_link_restart_an(hw, link_up, NULL);
 720         if (ret) {
 721                 netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
 722                             i40e_stat_str(hw, ret),
 723                             i40e_aq_str(hw, hw->aq.asq_last_status));
 724                 return -EIO;
 725         }
 726
 727         return 0;
 728 }
 729
 730 /**
 731  * i40e_get_pauseparam -  Get Flow Control status
 732  * Return tx/rx-pause status
 733  **/
 734 static void i40e_get_pauseparam(struct net_device *netdev,
 735                                 struct ethtool_pauseparam *pause)
 736 {
 737         struct i40e_netdev_priv *np = netdev_priv(netdev);
 738         struct i40e_pf *pf = np->vsi->back;
 739         struct i40e_hw *hw = &pf->hw;
 740         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 741         struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
 742
 743         pause->autoneg =
 744                 ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 745                   AUTONEG_ENABLE : AUTONEG_DISABLE);
 746
 747         /* PFC enabled so report LFC as off */
 748         if (dcbx_cfg->pfc.pfcenable) {
 749                 pause->rx_pause = 0;
 750                 pause->tx_pause = 0;
 751                 return;
 752         }
 753
 754         if (hw->fc.current_mode == I40E_FC_RX_PAUSE) {
 755                 pause->rx_pause = 1;
 756         } else if (hw->fc.current_mode == I40E_FC_TX_PAUSE) {
 757                 pause->tx_pause = 1;
 758         } else if (hw->fc.current_mode == I40E_FC_FULL) {
 759                 pause->rx_pause = 1;
 760                 pause->tx_pause = 1;
 761         }
 762 }
 763
 764 /**
 765  * i40e_set_pauseparam - Set Flow Control parameter
 766  * @netdev: network interface device structure
 767  * @pause: return tx/rx flow control status
 768  **/
 769 static int i40e_set_pauseparam(struct net_device *netdev,
 770                                struct ethtool_pauseparam *pause)
 771 {
 772         struct i40e_netdev_priv *np = netdev_priv(netdev);
 773         struct i40e_pf *pf = np->vsi->back;
 774         struct i40e_vsi *vsi = np->vsi;
 775         struct i40e_hw *hw = &pf->hw;
 776         struct i40e_link_status *hw_link_info = &hw->phy.link_info;
 777         struct i40e_dcbx_config *dcbx_cfg = &hw->local_dcbx_config;
 778         bool link_up = hw_link_info->link_info & I40E_AQ_LINK_UP;
 779         i40e_status status;
 780         u8 aq_failures;
 781         int err = 0;
 782
 783         /* Changing the port's flow control is not supported if this isn't the
 784          * port's controlling PF
 785          */
 786         if (hw->partition_id != 1) {
 787                 i40e_partition_setting_complaint(pf);
 788                 return -EOPNOTSUPP;
 789         }
 790
 791         if (vsi != pf->vsi[pf->lan_vsi])
 792                 return -EOPNOTSUPP;
 793
 794         if (pause->autoneg != ((hw_link_info->an_info & I40E_AQ_AN_COMPLETED) ?
 795             AUTONEG_ENABLE : AUTONEG_DISABLE)) {
 796                 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
 797                 return -EOPNOTSUPP;
 798         }
 799
 800         /* If we have link and don't have autoneg */
 801         if (!test_bit(__I40E_DOWN, &pf->state) &&
 802             !(hw_link_info->an_info & I40E_AQ_AN_COMPLETED)) {
 803                 /* Send message that it might not necessarily work*/
 804                 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
 805         }
 806
 807         if (dcbx_cfg->pfc.pfcenable) {
 808                 netdev_info(netdev,
 809                             "Priority flow control enabled. Cannot set link flow control.\n");
 810                 return -EOPNOTSUPP;
 811         }
 812
 813         if (pause->rx_pause && pause->tx_pause)
 814                 hw->fc.requested_mode = I40E_FC_FULL;
 815         else if (pause->rx_pause && !pause->tx_pause)
 816                 hw->fc.requested_mode = I40E_FC_RX_PAUSE;
 817         else if (!pause->rx_pause && pause->tx_pause)
 818                 hw->fc.requested_mode = I40E_FC_TX_PAUSE;
 819         else if (!pause->rx_pause && !pause->tx_pause)
 820                 hw->fc.requested_mode = I40E_FC_NONE;
 821         else
 822                  return -EINVAL;
 823
 824         /* Tell the OS link is going down, the link will go back up when fw
 825          * says it is ready asynchronously
 826          */
 827         netdev_info(netdev, "Flow control settings change requested, NIC Link is going down.\n");
 828         netif_carrier_off(netdev);
 829         netif_tx_stop_all_queues(netdev);
 830
 831         /* Set the fc mode and only restart an if link is up*/
 832         status = i40e_set_fc(hw, &aq_failures, link_up);
 833
 834         if (aq_failures & I40E_SET_FC_AQ_FAIL_GET) {
 835                 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
 836                             i40e_stat_str(hw, status),
 837                             i40e_aq_str(hw, hw->aq.asq_last_status));
 838                 err = -EAGAIN;
 839         }
 840         if (aq_failures & I40E_SET_FC_AQ_FAIL_SET) {
 841                 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
 842                             i40e_stat_str(hw, status),
 843                             i40e_aq_str(hw, hw->aq.asq_last_status));
 844                 err = -EAGAIN;
 845         }
 846         if (aq_failures & I40E_SET_FC_AQ_FAIL_UPDATE) {
 847                 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
 848                             i40e_stat_str(hw, status),
 849                             i40e_aq_str(hw, hw->aq.asq_last_status));
 850                 err = -EAGAIN;
 851         }
 852
 853         if (!test_bit(__I40E_DOWN, &pf->state)) {
 854                 /* Give it a little more time to try to come back */
 855                 msleep(75);
 856                 if (!test_bit(__I40E_DOWN, &pf->state))
 857                         return i40e_nway_reset(netdev);
 858         }
 859
 860         return err;
 861 }
 862
 863 static u32 i40e_get_msglevel(struct net_device *netdev)
 864 {
 865         struct i40e_netdev_priv *np = netdev_priv(netdev);
 866         struct i40e_pf *pf = np->vsi->back;
 867
 868         return pf->msg_enable;
 869 }
 870
 871 static void i40e_set_msglevel(struct net_device *netdev, u32 data)
 872 {
 873         struct i40e_netdev_priv *np = netdev_priv(netdev);
 874         struct i40e_pf *pf = np->vsi->back;
 875
 876         if (I40E_DEBUG_USER & data)
 877                 pf->hw.debug_mask = data;
 878         pf->msg_enable = data;
 879 }
 880
 881 static int i40e_get_regs_len(struct net_device *netdev)
 882 {
 883         int reg_count = 0;
 884         int i;
 885
 886         for (i = 0; i40e_reg_list[i].offset != 0; i++)
 887                 reg_count += i40e_reg_list[i].elements;
 888
 889         return reg_count * sizeof(u32);
 890 }
 891
 892 static void i40e_get_regs(struct net_device *netdev, struct ethtool_regs *regs,
 893                           void *p)
 894 {
 895         struct i40e_netdev_priv *np = netdev_priv(netdev);
 896         struct i40e_pf *pf = np->vsi->back;
 897         struct i40e_hw *hw = &pf->hw;
 898         u32 *reg_buf = p;
 899         int i, j, ri;
 900         u32 reg;
 901
 902         /* Tell ethtool which driver-version-specific regs output we have.
 903          *
 904          * At some point, if we have ethtool doing special formatting of
 905          * this data, it will rely on this version number to know how to
 906          * interpret things.  Hence, this needs to be updated if/when the
 907          * diags register table is changed.
 908          */
 909         regs->version = 1;
 910
 911         /* loop through the diags reg table for what to print */
 912         ri = 0;
 913         for (i = 0; i40e_reg_list[i].offset != 0; i++) {
 914                 for (j = 0; j < i40e_reg_list[i].elements; j++) {
 915                         reg = i40e_reg_list[i].offset
 916                                 + (j * i40e_reg_list[i].stride);
 917                         reg_buf[ri++] = rd32(hw, reg);
 918                 }
 919         }
 920
 921 }
 922
 923 static int i40e_get_eeprom(struct net_device *netdev,
 924                            struct ethtool_eeprom *eeprom, u8 *bytes)
 925 {
 926         struct i40e_netdev_priv *np = netdev_priv(netdev);
 927         struct i40e_hw *hw = &np->vsi->back->hw;
 928         struct i40e_pf *pf = np->vsi->back;
 929         int ret_val = 0, len, offset;
 930         u8 *eeprom_buff;
 931         u16 i, sectors;
 932         bool last;
 933         u32 magic;
 934
 935 #define I40E_NVM_SECTOR_SIZE  4096
 936         if (eeprom->len == 0)
 937                 return -EINVAL;
 938
 939         /* check for NVMUpdate access method */
 940         magic = hw->vendor_id | (hw->device_id << 16);
 941         if (eeprom->magic && eeprom->magic != magic) {
 942                 struct i40e_nvm_access *cmd;
 943                 int errno;
 944
 945                 /* make sure it is the right magic for NVMUpdate */
 946                 if ((eeprom->magic >> 16) != hw->device_id)
 947                         return -EINVAL;
 948
 949                 cmd = (struct i40e_nvm_access *)eeprom;
 950                 ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
 951                 if (ret_val &&
 952                     ((hw->aq.asq_last_status != I40E_AQ_RC_EACCES) ||
 953                      (hw->debug_mask & I40E_DEBUG_NVM)))
 954                         dev_info(&pf->pdev->dev,
 955                                  "NVMUpdate read failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
 956                                  ret_val, hw->aq.asq_last_status, errno,
 957                                  (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
 958                                  cmd->offset, cmd->data_size);
 959
 960                 return errno;
 961         }
 962
 963         /* normal ethtool get_eeprom support */
 964         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 965
 966         eeprom_buff = kzalloc(eeprom->len, GFP_KERNEL);
 967         if (!eeprom_buff)
 968                 return -ENOMEM;
 969
 970         ret_val = i40e_acquire_nvm(hw, I40E_RESOURCE_READ);
 971         if (ret_val) {
 972                 dev_info(&pf->pdev->dev,
 973                          "Failed Acquiring NVM resource for read err=%d status=0x%x\n",
 974                          ret_val, hw->aq.asq_last_status);
 975                 goto free_buff;
 976         }
 977
 978         sectors = eeprom->len / I40E_NVM_SECTOR_SIZE;
 979         sectors += (eeprom->len % I40E_NVM_SECTOR_SIZE) ? 1 : 0;
 980         len = I40E_NVM_SECTOR_SIZE;
 981         last = false;
 982         for (i = 0; i < sectors; i++) {
 983                 if (i == (sectors - 1)) {
 984                         len = eeprom->len - (I40E_NVM_SECTOR_SIZE * i);
 985                         last = true;
 986                 }
 987                 offset = eeprom->offset + (I40E_NVM_SECTOR_SIZE * i),
 988                 ret_val = i40e_aq_read_nvm(hw, 0x0, offset, len,
 989                                 (u8 *)eeprom_buff + (I40E_NVM_SECTOR_SIZE * i),
 990                                 last, NULL);
 991                 if (ret_val && hw->aq.asq_last_status == I40E_AQ_RC_EPERM) {
 992                         dev_info(&pf->pdev->dev,
 993                                  "read NVM failed, invalid offset 0x%x\n",
 994                                  offset);
 995                         break;
 996                 } else if (ret_val &&
 997                            hw->aq.asq_last_status == I40E_AQ_RC_EACCES) {
 998                         dev_info(&pf->pdev->dev,
 999                                  "read NVM failed, access, offset 0x%x\n",
1000                                  offset);
1001                         break;
1002                 } else if (ret_val) {
1003                         dev_info(&pf->pdev->dev,
1004                                  "read NVM failed offset %d err=%d status=0x%x\n",
1005                                  offset, ret_val, hw->aq.asq_last_status);
1006                         break;
1007                 }
1008         }
1009
1010         i40e_release_nvm(hw);
1011         memcpy(bytes, (u8 *)eeprom_buff, eeprom->len);
1012 free_buff:
1013         kfree(eeprom_buff);
1014         return ret_val;
1015 }
1016
1017 static int i40e_get_eeprom_len(struct net_device *netdev)
1018 {
1019         struct i40e_netdev_priv *np = netdev_priv(netdev);
1020         struct i40e_hw *hw = &np->vsi->back->hw;
1021         u32 val;
1022
1023         val = (rd32(hw, I40E_GLPCI_LBARCTRL)
1024                 & I40E_GLPCI_LBARCTRL_FL_SIZE_MASK)
1025                 >> I40E_GLPCI_LBARCTRL_FL_SIZE_SHIFT;
1026         /* register returns value in power of 2, 64Kbyte chunks. */
1027         val = (64 * 1024) * BIT(val);
1028         return val;
1029 }
1030
1031 static int i40e_set_eeprom(struct net_device *netdev,
1032                            struct ethtool_eeprom *eeprom, u8 *bytes)
1033 {
1034         struct i40e_netdev_priv *np = netdev_priv(netdev);
1035         struct i40e_hw *hw = &np->vsi->back->hw;
1036         struct i40e_pf *pf = np->vsi->back;
1037         struct i40e_nvm_access *cmd;
1038         int ret_val = 0;
1039         int errno;
1040         u32 magic;
1041
1042         /* normal ethtool set_eeprom is not supported */
1043         magic = hw->vendor_id | (hw->device_id << 16);
1044         if (eeprom->magic == magic)
1045                 return -EOPNOTSUPP;
1046
1047         /* check for NVMUpdate access method */
1048         if (!eeprom->magic || (eeprom->magic >> 16) != hw->device_id)
1049                 return -EINVAL;
1050
1051         if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
1052             test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
1053                 return -EBUSY;
1054
1055         cmd = (struct i40e_nvm_access *)eeprom;
1056         ret_val = i40e_nvmupd_command(hw, cmd, bytes, &errno);
1057         if (ret_val &&
1058             ((hw->aq.asq_last_status != I40E_AQ_RC_EPERM &&
1059               hw->aq.asq_last_status != I40E_AQ_RC_EBUSY) ||
1060              (hw->debug_mask & I40E_DEBUG_NVM)))
1061                 dev_info(&pf->pdev->dev,
1062                          "NVMUpdate write failed err=%d status=0x%x errno=%d module=%d offset=0x%x size=%d\n",
1063                          ret_val, hw->aq.asq_last_status, errno,
1064                          (u8)(cmd->config & I40E_NVM_MOD_PNT_MASK),
1065                          cmd->offset, cmd->data_size);
1066
1067         return errno;
1068 }
1069
1070 static void i40e_get_drvinfo(struct net_device *netdev,
1071                              struct ethtool_drvinfo *drvinfo)
1072 {
1073         struct i40e_netdev_priv *np = netdev_priv(netdev);
1074         struct i40e_vsi *vsi = np->vsi;
1075         struct i40e_pf *pf = vsi->back;
1076
1077         strlcpy(drvinfo->driver, i40e_driver_name, sizeof(drvinfo->driver));
1078         strlcpy(drvinfo->version, i40e_driver_version_str,
1079                 sizeof(drvinfo->version));
1080         strlcpy(drvinfo->fw_version, i40e_fw_version_str(&pf->hw),
1081                 sizeof(drvinfo->fw_version));
1082         strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
1083                 sizeof(drvinfo->bus_info));
1084         drvinfo->n_priv_flags = I40E_PRIV_FLAGS_STR_LEN;
1085 }
1086
1087 static void i40e_get_ringparam(struct net_device *netdev,
1088                                struct ethtool_ringparam *ring)
1089 {
1090         struct i40e_netdev_priv *np = netdev_priv(netdev);
1091         struct i40e_pf *pf = np->vsi->back;
1092         struct i40e_vsi *vsi = pf->vsi[pf->lan_vsi];
1093
1094         ring->rx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1095         ring->tx_max_pending = I40E_MAX_NUM_DESCRIPTORS;
1096         ring->rx_mini_max_pending = 0;
1097         ring->rx_jumbo_max_pending = 0;
1098         ring->rx_pending = vsi->rx_rings[0]->count;
1099         ring->tx_pending = vsi->tx_rings[0]->count;
1100         ring->rx_mini_pending = 0;
1101         ring->rx_jumbo_pending = 0;
1102 }
1103
1104 static int i40e_set_ringparam(struct net_device *netdev,
1105                               struct ethtool_ringparam *ring)
1106 {
1107         struct i40e_ring *tx_rings = NULL, *rx_rings = NULL;
1108         struct i40e_netdev_priv *np = netdev_priv(netdev);
1109         struct i40e_vsi *vsi = np->vsi;
1110         struct i40e_pf *pf = vsi->back;
1111         u32 new_rx_count, new_tx_count;
1112         int i, err = 0;
1113
1114         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
1115                 return -EINVAL;
1116
1117         if (ring->tx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1118             ring->tx_pending < I40E_MIN_NUM_DESCRIPTORS ||
1119             ring->rx_pending > I40E_MAX_NUM_DESCRIPTORS ||
1120             ring->rx_pending < I40E_MIN_NUM_DESCRIPTORS) {
1121                 netdev_info(netdev,
1122                             "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d]\n",
1123                             ring->tx_pending, ring->rx_pending,
1124                             I40E_MIN_NUM_DESCRIPTORS, I40E_MAX_NUM_DESCRIPTORS);
1125                 return -EINVAL;
1126         }
1127
1128         new_tx_count = ALIGN(ring->tx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1129         new_rx_count = ALIGN(ring->rx_pending, I40E_REQ_DESCRIPTOR_MULTIPLE);
1130
1131         /* if nothing to do return success */
1132         if ((new_tx_count == vsi->tx_rings[0]->count) &&
1133             (new_rx_count == vsi->rx_rings[0]->count))
1134                 return 0;
1135
1136         while (test_and_set_bit(__I40E_CONFIG_BUSY, &pf->state))
1137                 usleep_range(1000, 2000);
1138
1139         if (!netif_running(vsi->netdev)) {
1140                 /* simple case - set for the next time the netdev is started */
1141                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1142                         vsi->tx_rings[i]->count = new_tx_count;
1143                         vsi->rx_rings[i]->count = new_rx_count;
1144                 }
1145                 goto done;
1146         }
1147
1148         /* We can't just free everything and then setup again,
1149          * because the ISRs in MSI-X mode get passed pointers
1150          * to the Tx and Rx ring structs.
1151          */
1152
1153         /* alloc updated Tx resources */
1154         if (new_tx_count != vsi->tx_rings[0]->count) {
1155                 netdev_info(netdev,
1156                             "Changing Tx descriptor count from %d to %d.\n",
1157                             vsi->tx_rings[0]->count, new_tx_count);
1158                 tx_rings = kcalloc(vsi->alloc_queue_pairs,
1159                                    sizeof(struct i40e_ring), GFP_KERNEL);
1160                 if (!tx_rings) {
1161                         err = -ENOMEM;
1162                         goto done;
1163                 }
1164
1165                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1166                         /* clone ring and setup updated count */
1167                         tx_rings[i] = *vsi->tx_rings[i];
1168                         tx_rings[i].count = new_tx_count;
1169                         err = i40e_setup_tx_descriptors(&tx_rings[i]);
1170                         if (err) {
1171                                 while (i) {
1172                                         i--;
1173                                         i40e_free_tx_resources(&tx_rings[i]);
1174                                 }
1175                                 kfree(tx_rings);
1176                                 tx_rings = NULL;
1177
1178                                 goto done;
1179                         }
1180                 }
1181         }
1182
1183         /* alloc updated Rx resources */
1184         if (new_rx_count != vsi->rx_rings[0]->count) {
1185                 netdev_info(netdev,
1186                             "Changing Rx descriptor count from %d to %d\n",
1187                             vsi->rx_rings[0]->count, new_rx_count);
1188                 rx_rings = kcalloc(vsi->alloc_queue_pairs,
1189                                    sizeof(struct i40e_ring), GFP_KERNEL);
1190                 if (!rx_rings) {
1191                         err = -ENOMEM;
1192                         goto free_tx;
1193                 }
1194
1195                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1196                         /* clone ring and setup updated count */
1197                         rx_rings[i] = *vsi->rx_rings[i];
1198                         rx_rings[i].count = new_rx_count;
1199                         err = i40e_setup_rx_descriptors(&rx_rings[i]);
1200                         if (err) {
1201                                 while (i) {
1202                                         i--;
1203                                         i40e_free_rx_resources(&rx_rings[i]);
1204                                 }
1205                                 kfree(rx_rings);
1206                                 rx_rings = NULL;
1207
1208                                 goto free_tx;
1209                         }
1210                 }
1211         }
1212
1213         /* Bring interface down, copy in the new ring info,
1214          * then restore the interface
1215          */
1216         i40e_down(vsi);
1217
1218         if (tx_rings) {
1219                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1220                         i40e_free_tx_resources(vsi->tx_rings[i]);
1221                         *vsi->tx_rings[i] = tx_rings[i];
1222                 }
1223                 kfree(tx_rings);
1224                 tx_rings = NULL;
1225         }
1226
1227         if (rx_rings) {
1228                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1229                         i40e_free_rx_resources(vsi->rx_rings[i]);
1230                         *vsi->rx_rings[i] = rx_rings[i];
1231                 }
1232                 kfree(rx_rings);
1233                 rx_rings = NULL;
1234         }
1235
1236         i40e_up(vsi);
1237
1238 free_tx:
1239         /* error cleanup if the Rx allocations failed after getting Tx */
1240         if (tx_rings) {
1241                 for (i = 0; i < vsi->num_queue_pairs; i++)
1242                         i40e_free_tx_resources(&tx_rings[i]);
1243                 kfree(tx_rings);
1244                 tx_rings = NULL;
1245         }
1246
1247 done:
1248         clear_bit(__I40E_CONFIG_BUSY, &pf->state);
1249
1250         return err;
1251 }
1252
1253 static int i40e_get_sset_count(struct net_device *netdev, int sset)
1254 {
1255         struct i40e_netdev_priv *np = netdev_priv(netdev);
1256         struct i40e_vsi *vsi = np->vsi;
1257         struct i40e_pf *pf = vsi->back;
1258
1259         switch (sset) {
1260         case ETH_SS_TEST:
1261                 return I40E_TEST_LEN;
1262         case ETH_SS_STATS:
1263                 if (vsi == pf->vsi[pf->lan_vsi] && pf->hw.partition_id == 1) {
1264                         int len = I40E_PF_STATS_LEN(netdev);
1265
1266                         if (pf->lan_veb != I40E_NO_VEB)
1267                                 len += I40E_VEB_STATS_TOTAL;
1268                         return len;
1269                 } else {
1270                         return I40E_VSI_STATS_LEN(netdev);
1271                 }
1272         case ETH_SS_PRIV_FLAGS:
1273                 return I40E_PRIV_FLAGS_STR_LEN;
1274         default:
1275                 return -EOPNOTSUPP;
1276         }
1277 }
1278
1279 static void i40e_get_ethtool_stats(struct net_device *netdev,
1280                                    struct ethtool_stats *stats, u64 *data)
1281 {
1282         struct i40e_netdev_priv *np = netdev_priv(netdev);
1283         struct i40e_ring *tx_ring, *rx_ring;
1284         struct i40e_vsi *vsi = np->vsi;
1285         struct i40e_pf *pf = vsi->back;
1286         int i = 0;
1287         char *p;
1288         int j;
1289         struct rtnl_link_stats64 *net_stats = i40e_get_vsi_stats_struct(vsi);
1290         unsigned int start;
1291
1292         i40e_update_stats(vsi);
1293
1294         for (j = 0; j < I40E_NETDEV_STATS_LEN; j++) {
1295                 p = (char *)net_stats + i40e_gstrings_net_stats[j].stat_offset;
1296                 data[i++] = (i40e_gstrings_net_stats[j].sizeof_stat ==
1297                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1298         }
1299         for (j = 0; j < I40E_MISC_STATS_LEN; j++) {
1300                 p = (char *)vsi + i40e_gstrings_misc_stats[j].stat_offset;
1301                 data[i++] = (i40e_gstrings_misc_stats[j].sizeof_stat ==
1302                             sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1303         }
1304 #ifdef I40E_FCOE
1305         for (j = 0; j < I40E_FCOE_STATS_LEN; j++) {
1306                 p = (char *)vsi + i40e_gstrings_fcoe_stats[j].stat_offset;
1307                 data[i++] = (i40e_gstrings_fcoe_stats[j].sizeof_stat ==
1308                         sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1309         }
1310 #endif
1311         rcu_read_lock();
1312         for (j = 0; j < vsi->num_queue_pairs; j++) {
1313                 tx_ring = ACCESS_ONCE(vsi->tx_rings[j]);
1314
1315                 if (!tx_ring)
1316                         continue;
1317
1318                 /* process Tx ring statistics */
1319                 do {
1320                         start = u64_stats_fetch_begin_irq(&tx_ring->syncp);
1321                         data[i] = tx_ring->stats.packets;
1322                         data[i + 1] = tx_ring->stats.bytes;
1323                 } while (u64_stats_fetch_retry_irq(&tx_ring->syncp, start));
1324                 i += 2;
1325
1326                 /* Rx ring is the 2nd half of the queue pair */
1327                 rx_ring = &tx_ring[1];
1328                 do {
1329                         start = u64_stats_fetch_begin_irq(&rx_ring->syncp);
1330                         data[i] = rx_ring->stats.packets;
1331                         data[i + 1] = rx_ring->stats.bytes;
1332                 } while (u64_stats_fetch_retry_irq(&rx_ring->syncp, start));
1333                 i += 2;
1334         }
1335         rcu_read_unlock();
1336         if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1337                 return;
1338
1339         if (pf->lan_veb != I40E_NO_VEB) {
1340                 struct i40e_veb *veb = pf->veb[pf->lan_veb];
1341                 for (j = 0; j < I40E_VEB_STATS_LEN; j++) {
1342                         p = (char *)veb;
1343                         p += i40e_gstrings_veb_stats[j].stat_offset;
1344                         data[i++] = (i40e_gstrings_veb_stats[j].sizeof_stat ==
1345                                      sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1346                 }
1347         }
1348         for (j = 0; j < I40E_GLOBAL_STATS_LEN; j++) {
1349                 p = (char *)pf + i40e_gstrings_stats[j].stat_offset;
1350                 data[i++] = (i40e_gstrings_stats[j].sizeof_stat ==
1351                              sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1352         }
1353         for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1354                 data[i++] = pf->stats.priority_xon_tx[j];
1355                 data[i++] = pf->stats.priority_xoff_tx[j];
1356         }
1357         for (j = 0; j < I40E_MAX_USER_PRIORITY; j++) {
1358                 data[i++] = pf->stats.priority_xon_rx[j];
1359                 data[i++] = pf->stats.priority_xoff_rx[j];
1360         }
1361         for (j = 0; j < I40E_MAX_USER_PRIORITY; j++)
1362                 data[i++] = pf->stats.priority_xon_2_xoff[j];
1363 }
1364
1365 static void i40e_get_strings(struct net_device *netdev, u32 stringset,
1366                              u8 *data)
1367 {
1368         struct i40e_netdev_priv *np = netdev_priv(netdev);
1369         struct i40e_vsi *vsi = np->vsi;
1370         struct i40e_pf *pf = vsi->back;
1371         char *p = (char *)data;
1372         int i;
1373
1374         switch (stringset) {
1375         case ETH_SS_TEST:
1376                 for (i = 0; i < I40E_TEST_LEN; i++) {
1377                         memcpy(data, i40e_gstrings_test[i], ETH_GSTRING_LEN);
1378                         data += ETH_GSTRING_LEN;
1379                 }
1380                 break;
1381         case ETH_SS_STATS:
1382                 for (i = 0; i < I40E_NETDEV_STATS_LEN; i++) {
1383                         snprintf(p, ETH_GSTRING_LEN, "%s",
1384                                  i40e_gstrings_net_stats[i].stat_string);
1385                         p += ETH_GSTRING_LEN;
1386                 }
1387                 for (i = 0; i < I40E_MISC_STATS_LEN; i++) {
1388                         snprintf(p, ETH_GSTRING_LEN, "%s",
1389                                  i40e_gstrings_misc_stats[i].stat_string);
1390                         p += ETH_GSTRING_LEN;
1391                 }
1392 #ifdef I40E_FCOE
1393                 for (i = 0; i < I40E_FCOE_STATS_LEN; i++) {
1394                         snprintf(p, ETH_GSTRING_LEN, "%s",
1395                                  i40e_gstrings_fcoe_stats[i].stat_string);
1396                         p += ETH_GSTRING_LEN;
1397                 }
1398 #endif
1399                 for (i = 0; i < vsi->num_queue_pairs; i++) {
1400                         snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_packets", i);
1401                         p += ETH_GSTRING_LEN;
1402                         snprintf(p, ETH_GSTRING_LEN, "tx-%u.tx_bytes", i);
1403                         p += ETH_GSTRING_LEN;
1404                         snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_packets", i);
1405                         p += ETH_GSTRING_LEN;
1406                         snprintf(p, ETH_GSTRING_LEN, "rx-%u.rx_bytes", i);
1407                         p += ETH_GSTRING_LEN;
1408                 }
1409                 if (vsi != pf->vsi[pf->lan_vsi] || pf->hw.partition_id != 1)
1410                         return;
1411
1412                 if (pf->lan_veb != I40E_NO_VEB) {
1413                         for (i = 0; i < I40E_VEB_STATS_LEN; i++) {
1414                                 snprintf(p, ETH_GSTRING_LEN, "veb.%s",
1415                                         i40e_gstrings_veb_stats[i].stat_string);
1416                                 p += ETH_GSTRING_LEN;
1417                         }
1418                         for (i = 0; i < I40E_MAX_TRAFFIC_CLASS; i++) {
1419                                 snprintf(p, ETH_GSTRING_LEN,
1420                                          "veb.tc_%u_tx_packets", i);
1421                                 p += ETH_GSTRING_LEN;
1422                                 snprintf(p, ETH_GSTRING_LEN,
1423                                          "veb.tc_%u_tx_bytes", i);
1424                                 p += ETH_GSTRING_LEN;
1425                                 snprintf(p, ETH_GSTRING_LEN,
1426                                          "veb.tc_%u_rx_packets", i);
1427                                 p += ETH_GSTRING_LEN;
1428                                 snprintf(p, ETH_GSTRING_LEN,
1429                                          "veb.tc_%u_rx_bytes", i);
1430                                 p += ETH_GSTRING_LEN;
1431                         }
1432                 }
1433                 for (i = 0; i < I40E_GLOBAL_STATS_LEN; i++) {
1434                         snprintf(p, ETH_GSTRING_LEN, "port.%s",
1435                                  i40e_gstrings_stats[i].stat_string);
1436                         p += ETH_GSTRING_LEN;
1437                 }
1438                 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1439                         snprintf(p, ETH_GSTRING_LEN,
1440                                  "port.tx_priority_%u_xon", i);
1441                         p += ETH_GSTRING_LEN;
1442                         snprintf(p, ETH_GSTRING_LEN,
1443                                  "port.tx_priority_%u_xoff", i);
1444                         p += ETH_GSTRING_LEN;
1445                 }
1446                 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1447                         snprintf(p, ETH_GSTRING_LEN,
1448                                  "port.rx_priority_%u_xon", i);
1449                         p += ETH_GSTRING_LEN;
1450                         snprintf(p, ETH_GSTRING_LEN,
1451                                  "port.rx_priority_%u_xoff", i);
1452                         p += ETH_GSTRING_LEN;
1453                 }
1454                 for (i = 0; i < I40E_MAX_USER_PRIORITY; i++) {
1455                         snprintf(p, ETH_GSTRING_LEN,
1456                                  "port.rx_priority_%u_xon_2_xoff", i);
1457                         p += ETH_GSTRING_LEN;
1458                 }
1459                 /* BUG_ON(p - data != I40E_STATS_LEN * ETH_GSTRING_LEN); */
1460                 break;
1461         case ETH_SS_PRIV_FLAGS:
1462                 for (i = 0; i < I40E_PRIV_FLAGS_STR_LEN; i++) {
1463                         memcpy(data, i40e_priv_flags_strings[i],
1464                                ETH_GSTRING_LEN);
1465                         data += ETH_GSTRING_LEN;
1466                 }
1467                 break;
1468         default:
1469                 break;
1470         }
1471 }
1472
1473 static int i40e_get_ts_info(struct net_device *dev,
1474                             struct ethtool_ts_info *info)
1475 {
1476         struct i40e_pf *pf = i40e_netdev_to_pf(dev);
1477
1478         /* only report HW timestamping if PTP is enabled */
1479         if (!(pf->flags & I40E_FLAG_PTP))
1480                 return ethtool_op_get_ts_info(dev, info);
1481
1482         info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
1483                                 SOF_TIMESTAMPING_RX_SOFTWARE |
1484                                 SOF_TIMESTAMPING_SOFTWARE |
1485                                 SOF_TIMESTAMPING_TX_HARDWARE |
1486                                 SOF_TIMESTAMPING_RX_HARDWARE |
1487                                 SOF_TIMESTAMPING_RAW_HARDWARE;
1488
1489         if (pf->ptp_clock)
1490                 info->phc_index = ptp_clock_index(pf->ptp_clock);
1491         else
1492                 info->phc_index = -1;
1493
1494         info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON);
1495
1496         info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) |
1497                            BIT(HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
1498                            BIT(HWTSTAMP_FILTER_PTP_V2_EVENT);
1499
1500         return 0;
1501 }
1502
1503 static int i40e_link_test(struct net_device *netdev, u64 *data)
1504 {
1505         struct i40e_netdev_priv *np = netdev_priv(netdev);
1506         struct i40e_pf *pf = np->vsi->back;
1507
1508         netif_info(pf, hw, netdev, "link test\n");
1509         if (i40e_get_link_status(&pf->hw))
1510                 *data = 0;
1511         else
1512                 *data = 1;
1513
1514         return *data;
1515 }
1516
1517 static int i40e_reg_test(struct net_device *netdev, u64 *data)
1518 {
1519         struct i40e_netdev_priv *np = netdev_priv(netdev);
1520         struct i40e_pf *pf = np->vsi->back;
1521
1522         netif_info(pf, hw, netdev, "register test\n");
1523         *data = i40e_diag_reg_test(&pf->hw);
1524
1525         return *data;
1526 }
1527
1528 static int i40e_eeprom_test(struct net_device *netdev, u64 *data)
1529 {
1530         struct i40e_netdev_priv *np = netdev_priv(netdev);
1531         struct i40e_pf *pf = np->vsi->back;
1532
1533         netif_info(pf, hw, netdev, "eeprom test\n");
1534         *data = i40e_diag_eeprom_test(&pf->hw);
1535
1536         /* forcebly clear the NVM Update state machine */
1537         pf->hw.nvmupd_state = I40E_NVMUPD_STATE_INIT;
1538
1539         return *data;
1540 }
1541
1542 static int i40e_intr_test(struct net_device *netdev, u64 *data)
1543 {
1544         struct i40e_netdev_priv *np = netdev_priv(netdev);
1545         struct i40e_pf *pf = np->vsi->back;
1546         u16 swc_old = pf->sw_int_count;
1547
1548         netif_info(pf, hw, netdev, "interrupt test\n");
1549         wr32(&pf->hw, I40E_PFINT_DYN_CTL0,
1550              (I40E_PFINT_DYN_CTL0_INTENA_MASK |
1551               I40E_PFINT_DYN_CTL0_SWINT_TRIG_MASK |
1552               I40E_PFINT_DYN_CTL0_ITR_INDX_MASK |
1553               I40E_PFINT_DYN_CTL0_SW_ITR_INDX_ENA_MASK |
1554               I40E_PFINT_DYN_CTL0_SW_ITR_INDX_MASK));
1555         usleep_range(1000, 2000);
1556         *data = (swc_old == pf->sw_int_count);
1557
1558         return *data;
1559 }
1560
1561 static int i40e_loopback_test(struct net_device *netdev, u64 *data)
1562 {
1563         struct i40e_netdev_priv *np = netdev_priv(netdev);
1564         struct i40e_pf *pf = np->vsi->back;
1565
1566         netif_info(pf, hw, netdev, "loopback test not implemented\n");
1567         *data = 0;
1568
1569         return *data;
1570 }
1571
1572 static inline bool i40e_active_vfs(struct i40e_pf *pf)
1573 {
1574         struct i40e_vf *vfs = pf->vf;
1575         int i;
1576
1577         for (i = 0; i < pf->num_alloc_vfs; i++)
1578                 if (vfs[i].vf_states & I40E_VF_STAT_ACTIVE)
1579                         return true;
1580         return false;
1581 }
1582
1583 static inline bool i40e_active_vmdqs(struct i40e_pf *pf)
1584 {
1585         struct i40e_vsi **vsi = pf->vsi;
1586         int i;
1587
1588         for (i = 0; i < pf->num_alloc_vsi; i++) {
1589                 if (!vsi[i])
1590                         continue;
1591                 if (vsi[i]->type == I40E_VSI_VMDQ2)
1592                         return true;
1593         }
1594
1595         return false;
1596 }
1597
1598 static void i40e_diag_test(struct net_device *netdev,
1599                            struct ethtool_test *eth_test, u64 *data)
1600 {
1601         struct i40e_netdev_priv *np = netdev_priv(netdev);
1602         bool if_running = netif_running(netdev);
1603         struct i40e_pf *pf = np->vsi->back;
1604
1605         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
1606                 /* Offline tests */
1607                 netif_info(pf, drv, netdev, "offline testing starting\n");
1608
1609                 set_bit(__I40E_TESTING, &pf->state);
1610
1611                 if (i40e_active_vfs(pf) || i40e_active_vmdqs(pf)) {
1612                         dev_warn(&pf->pdev->dev,
1613                                  "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
1614                         data[I40E_ETH_TEST_REG]         = 1;
1615                         data[I40E_ETH_TEST_EEPROM]      = 1;
1616                         data[I40E_ETH_TEST_INTR]        = 1;
1617                         data[I40E_ETH_TEST_LOOPBACK]    = 1;
1618                         data[I40E_ETH_TEST_LINK]        = 1;
1619                         eth_test->flags |= ETH_TEST_FL_FAILED;
1620                         clear_bit(__I40E_TESTING, &pf->state);
1621                         goto skip_ol_tests;
1622                 }
1623
1624                 /* If the device is online then take it offline */
1625                 if (if_running)
1626                         /* indicate we're in test mode */
1627                         dev_close(netdev);
1628                 else
1629                         /* This reset does not affect link - if it is
1630                          * changed to a type of reset that does affect
1631                          * link then the following link test would have
1632                          * to be moved to before the reset
1633                          */
1634                         i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1635
1636                 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1637                         eth_test->flags |= ETH_TEST_FL_FAILED;
1638
1639                 if (i40e_eeprom_test(netdev, &data[I40E_ETH_TEST_EEPROM]))
1640                         eth_test->flags |= ETH_TEST_FL_FAILED;
1641
1642                 if (i40e_intr_test(netdev, &data[I40E_ETH_TEST_INTR]))
1643                         eth_test->flags |= ETH_TEST_FL_FAILED;
1644
1645                 if (i40e_loopback_test(netdev, &data[I40E_ETH_TEST_LOOPBACK]))
1646                         eth_test->flags |= ETH_TEST_FL_FAILED;
1647
1648                 /* run reg test last, a reset is required after it */
1649                 if (i40e_reg_test(netdev, &data[I40E_ETH_TEST_REG]))
1650                         eth_test->flags |= ETH_TEST_FL_FAILED;
1651
1652                 clear_bit(__I40E_TESTING, &pf->state);
1653                 i40e_do_reset(pf, BIT(__I40E_PF_RESET_REQUESTED));
1654
1655                 if (if_running)
1656                         dev_open(netdev);
1657         } else {
1658                 /* Online tests */
1659                 netif_info(pf, drv, netdev, "online testing starting\n");
1660
1661                 if (i40e_link_test(netdev, &data[I40E_ETH_TEST_LINK]))
1662                         eth_test->flags |= ETH_TEST_FL_FAILED;
1663
1664                 /* Offline only tests, not run in online; pass by default */
1665                 data[I40E_ETH_TEST_REG] = 0;
1666                 data[I40E_ETH_TEST_EEPROM] = 0;
1667                 data[I40E_ETH_TEST_INTR] = 0;
1668                 data[I40E_ETH_TEST_LOOPBACK] = 0;
1669         }
1670
1671 skip_ol_tests:
1672
1673         netif_info(pf, drv, netdev, "testing finished\n");
1674 }
1675
1676 static void i40e_get_wol(struct net_device *netdev,
1677                          struct ethtool_wolinfo *wol)
1678 {
1679         struct i40e_netdev_priv *np = netdev_priv(netdev);
1680         struct i40e_pf *pf = np->vsi->back;
1681         struct i40e_hw *hw = &pf->hw;
1682         u16 wol_nvm_bits;
1683
1684         /* NVM bit on means WoL disabled for the port */
1685         i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1686         if ((BIT(hw->port) & wol_nvm_bits) || (hw->partition_id != 1)) {
1687                 wol->supported = 0;
1688                 wol->wolopts = 0;
1689         } else {
1690                 wol->supported = WAKE_MAGIC;
1691                 wol->wolopts = (pf->wol_en ? WAKE_MAGIC : 0);
1692         }
1693 }
1694
1695 /**
1696  * i40e_set_wol - set the WakeOnLAN configuration
1697  * @netdev: the netdev in question
1698  * @wol: the ethtool WoL setting data
1699  **/
1700 static int i40e_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1701 {
1702         struct i40e_netdev_priv *np = netdev_priv(netdev);
1703         struct i40e_pf *pf = np->vsi->back;
1704         struct i40e_vsi *vsi = np->vsi;
1705         struct i40e_hw *hw = &pf->hw;
1706         u16 wol_nvm_bits;
1707
1708         /* WoL not supported if this isn't the controlling PF on the port */
1709         if (hw->partition_id != 1) {
1710                 i40e_partition_setting_complaint(pf);
1711                 return -EOPNOTSUPP;
1712         }
1713
1714         if (vsi != pf->vsi[pf->lan_vsi])
1715                 return -EOPNOTSUPP;
1716
1717         /* NVM bit on means WoL disabled for the port */
1718         i40e_read_nvm_word(hw, I40E_SR_NVM_WAKE_ON_LAN, &wol_nvm_bits);
1719         if (BIT(hw->port) & wol_nvm_bits)
1720                 return -EOPNOTSUPP;
1721
1722         /* only magic packet is supported */
1723         if (wol->wolopts && (wol->wolopts != WAKE_MAGIC))
1724                 return -EOPNOTSUPP;
1725
1726         /* is this a new value? */
1727         if (pf->wol_en != !!wol->wolopts) {
1728                 pf->wol_en = !!wol->wolopts;
1729                 device_set_wakeup_enable(&pf->pdev->dev, pf->wol_en);
1730         }
1731
1732         return 0;
1733 }
1734
1735 static int i40e_set_phys_id(struct net_device *netdev,
1736                             enum ethtool_phys_id_state state)
1737 {
1738         struct i40e_netdev_priv *np = netdev_priv(netdev);
1739         struct i40e_pf *pf = np->vsi->back;
1740         struct i40e_hw *hw = &pf->hw;
1741         int blink_freq = 2;
1742
1743         switch (state) {
1744         case ETHTOOL_ID_ACTIVE:
1745                 pf->led_status = i40e_led_get(hw);
1746                 return blink_freq;
1747         case ETHTOOL_ID_ON:
1748                 i40e_led_set(hw, 0xF, false);
1749                 break;
1750         case ETHTOOL_ID_OFF:
1751                 i40e_led_set(hw, 0x0, false);
1752                 break;
1753         case ETHTOOL_ID_INACTIVE:
1754                 i40e_led_set(hw, pf->led_status, false);
1755                 break;
1756         default:
1757                 break;
1758         }
1759
1760         return 0;
1761 }
1762
1763 /* NOTE: i40e hardware uses a conversion factor of 2 for Interrupt
1764  * Throttle Rate (ITR) ie. ITR(1) = 2us ITR(10) = 20 us, and also
1765  * 125us (8000 interrupts per second) == ITR(62)
1766  */
1767
1768 static int i40e_get_coalesce(struct net_device *netdev,
1769                              struct ethtool_coalesce *ec)
1770 {
1771         struct i40e_netdev_priv *np = netdev_priv(netdev);
1772         struct i40e_vsi *vsi = np->vsi;
1773
1774         ec->tx_max_coalesced_frames_irq = vsi->work_limit;
1775         ec->rx_max_coalesced_frames_irq = vsi->work_limit;
1776
1777         if (ITR_IS_DYNAMIC(vsi->rx_itr_setting))
1778                 ec->use_adaptive_rx_coalesce = 1;
1779
1780         if (ITR_IS_DYNAMIC(vsi->tx_itr_setting))
1781                 ec->use_adaptive_tx_coalesce = 1;
1782
1783         ec->rx_coalesce_usecs = vsi->rx_itr_setting & ~I40E_ITR_DYNAMIC;
1784         ec->tx_coalesce_usecs = vsi->tx_itr_setting & ~I40E_ITR_DYNAMIC;
1785
1786         return 0;
1787 }
1788
1789 static int i40e_set_coalesce(struct net_device *netdev,
1790                              struct ethtool_coalesce *ec)
1791 {
1792         struct i40e_netdev_priv *np = netdev_priv(netdev);
1793         struct i40e_q_vector *q_vector;
1794         struct i40e_vsi *vsi = np->vsi;
1795         struct i40e_pf *pf = vsi->back;
1796         struct i40e_hw *hw = &pf->hw;
1797         u16 vector;
1798         int i;
1799
1800         if (ec->tx_max_coalesced_frames_irq || ec->rx_max_coalesced_frames_irq)
1801                 vsi->work_limit = ec->tx_max_coalesced_frames_irq;
1802
1803         vector = vsi->base_vector;
1804         if ((ec->rx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
1805             (ec->rx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
1806                 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
1807         } else if (ec->rx_coalesce_usecs == 0) {
1808                 vsi->rx_itr_setting = ec->rx_coalesce_usecs;
1809                 if (ec->use_adaptive_rx_coalesce)
1810                         netif_info(pf, drv, netdev, "rx-usecs=0, need to disable adaptive-rx for a complete disable\n");
1811         } else {
1812                 netif_info(pf, drv, netdev, "Invalid value, rx-usecs range is 0-8160\n");
1813                 return -EINVAL;
1814         }
1815
1816         if ((ec->tx_coalesce_usecs >= (I40E_MIN_ITR << 1)) &&
1817             (ec->tx_coalesce_usecs <= (I40E_MAX_ITR << 1))) {
1818                 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
1819         } else if (ec->tx_coalesce_usecs == 0) {
1820                 vsi->tx_itr_setting = ec->tx_coalesce_usecs;
1821                 if (ec->use_adaptive_tx_coalesce)
1822                         netif_info(pf, drv, netdev, "tx-usecs=0, need to disable adaptive-tx for a complete disable\n");
1823         } else {
1824                 netif_info(pf, drv, netdev,
1825                            "Invalid value, tx-usecs range is 0-8160\n");
1826                 return -EINVAL;
1827         }
1828
1829         if (ec->use_adaptive_rx_coalesce)
1830                 vsi->rx_itr_setting |= I40E_ITR_DYNAMIC;
1831         else
1832                 vsi->rx_itr_setting &= ~I40E_ITR_DYNAMIC;
1833
1834         if (ec->use_adaptive_tx_coalesce)
1835                 vsi->tx_itr_setting |= I40E_ITR_DYNAMIC;
1836         else
1837                 vsi->tx_itr_setting &= ~I40E_ITR_DYNAMIC;
1838
1839         for (i = 0; i < vsi->num_q_vectors; i++, vector++) {
1840                 q_vector = vsi->q_vectors[i];
1841                 q_vector->rx.itr = ITR_TO_REG(vsi->rx_itr_setting);
1842                 wr32(hw, I40E_PFINT_ITRN(0, vector - 1), q_vector->rx.itr);
1843                 q_vector->tx.itr = ITR_TO_REG(vsi->tx_itr_setting);
1844                 wr32(hw, I40E_PFINT_ITRN(1, vector - 1), q_vector->tx.itr);
1845                 i40e_flush(hw);
1846         }
1847
1848         return 0;
1849 }
1850
1851 /**
1852  * i40e_get_rss_hash_opts - Get RSS hash Input Set for each flow type
1853  * @pf: pointer to the physical function struct
1854  * @cmd: ethtool rxnfc command
1855  *
1856  * Returns Success if the flow is supported, else Invalid Input.
1857  **/
1858 static int i40e_get_rss_hash_opts(struct i40e_pf *pf, struct ethtool_rxnfc *cmd)
1859 {
1860         cmd->data = 0;
1861
1862         if (pf->vsi[pf->lan_vsi]->rxnfc.data != 0) {
1863                 cmd->data = pf->vsi[pf->lan_vsi]->rxnfc.data;
1864                 cmd->flow_type = pf->vsi[pf->lan_vsi]->rxnfc.flow_type;
1865                 return 0;
1866         }
1867         /* Report default options for RSS on i40e */
1868         switch (cmd->flow_type) {
1869         case TCP_V4_FLOW:
1870         case UDP_V4_FLOW:
1871                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1872         /* fall through to add IP fields */
1873         case SCTP_V4_FLOW:
1874         case AH_ESP_V4_FLOW:
1875         case AH_V4_FLOW:
1876         case ESP_V4_FLOW:
1877         case IPV4_FLOW:
1878                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1879                 break;
1880         case TCP_V6_FLOW:
1881         case UDP_V6_FLOW:
1882                 cmd->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1883         /* fall through to add IP fields */
1884         case SCTP_V6_FLOW:
1885         case AH_ESP_V6_FLOW:
1886         case AH_V6_FLOW:
1887         case ESP_V6_FLOW:
1888         case IPV6_FLOW:
1889                 cmd->data |= RXH_IP_SRC | RXH_IP_DST;
1890                 break;
1891         default:
1892                 return -EINVAL;
1893         }
1894
1895         return 0;
1896 }
1897
1898 /**
1899  * i40e_get_ethtool_fdir_all - Populates the rule count of a command
1900  * @pf: Pointer to the physical function struct
1901  * @cmd: The command to get or set Rx flow classification rules
1902  * @rule_locs: Array of used rule locations
1903  *
1904  * This function populates both the total and actual rule count of
1905  * the ethtool flow classification command
1906  *
1907  * Returns 0 on success or -EMSGSIZE if entry not found
1908  **/
1909 static int i40e_get_ethtool_fdir_all(struct i40e_pf *pf,
1910                                      struct ethtool_rxnfc *cmd,
1911                                      u32 *rule_locs)
1912 {
1913         struct i40e_fdir_filter *rule;
1914         struct hlist_node *node2;
1915         int cnt = 0;
1916
1917         /* report total rule count */
1918         cmd->data = i40e_get_fd_cnt_all(pf);
1919
1920         hlist_for_each_entry_safe(rule, node2,
1921                                   &pf->fdir_filter_list, fdir_node) {
1922                 if (cnt == cmd->rule_cnt)
1923                         return -EMSGSIZE;
1924
1925                 rule_locs[cnt] = rule->fd_id;
1926                 cnt++;
1927         }
1928
1929         cmd->rule_cnt = cnt;
1930
1931         return 0;
1932 }
1933
1934 /**
1935  * i40e_get_ethtool_fdir_entry - Look up a filter based on Rx flow
1936  * @pf: Pointer to the physical function struct
1937  * @cmd: The command to get or set Rx flow classification rules
1938  *
1939  * This function looks up a filter based on the Rx flow classification
1940  * command and fills the flow spec info for it if found
1941  *
1942  * Returns 0 on success or -EINVAL if filter not found
1943  **/
1944 static int i40e_get_ethtool_fdir_entry(struct i40e_pf *pf,
1945                                        struct ethtool_rxnfc *cmd)
1946 {
1947         struct ethtool_rx_flow_spec *fsp =
1948                         (struct ethtool_rx_flow_spec *)&cmd->fs;
1949         struct i40e_fdir_filter *rule = NULL;
1950         struct hlist_node *node2;
1951
1952         hlist_for_each_entry_safe(rule, node2,
1953                                   &pf->fdir_filter_list, fdir_node) {
1954                 if (fsp->location <= rule->fd_id)
1955                         break;
1956         }
1957
1958         if (!rule || fsp->location != rule->fd_id)
1959                 return -EINVAL;
1960
1961         fsp->flow_type = rule->flow_type;
1962         if (fsp->flow_type == IP_USER_FLOW) {
1963                 fsp->h_u.usr_ip4_spec.ip_ver = ETH_RX_NFC_IP4;
1964                 fsp->h_u.usr_ip4_spec.proto = 0;
1965                 fsp->m_u.usr_ip4_spec.proto = 0;
1966         }
1967
1968         /* Reverse the src and dest notion, since the HW views them from
1969          * Tx perspective where as the user expects it from Rx filter view.
1970          */
1971         fsp->h_u.tcp_ip4_spec.psrc = rule->dst_port;
1972         fsp->h_u.tcp_ip4_spec.pdst = rule->src_port;
1973         fsp->h_u.tcp_ip4_spec.ip4src = rule->dst_ip[0];
1974         fsp->h_u.tcp_ip4_spec.ip4dst = rule->src_ip[0];
1975
1976         if (rule->dest_ctl == I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET)
1977                 fsp->ring_cookie = RX_CLS_FLOW_DISC;
1978         else
1979                 fsp->ring_cookie = rule->q_index;
1980
1981         if (rule->dest_vsi != pf->vsi[pf->lan_vsi]->id) {
1982                 struct i40e_vsi *vsi;
1983
1984                 vsi = i40e_find_vsi_from_id(pf, rule->dest_vsi);
1985                 if (vsi && vsi->type == I40E_VSI_SRIOV) {
1986                         fsp->h_ext.data[1] = htonl(vsi->vf_id);
1987                         fsp->m_ext.data[1] = htonl(0x1);
1988                 }
1989         }
1990
1991         return 0;
1992 }
1993
1994 /**
1995  * i40e_get_rxnfc - command to get RX flow classification rules
1996  * @netdev: network interface device structure
1997  * @cmd: ethtool rxnfc command
1998  *
1999  * Returns Success if the command is supported.
2000  **/
2001 static int i40e_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2002                           u32 *rule_locs)
2003 {
2004         struct i40e_netdev_priv *np = netdev_priv(netdev);
2005         struct i40e_vsi *vsi = np->vsi;
2006         struct i40e_pf *pf = vsi->back;
2007         int ret = -EOPNOTSUPP;
2008
2009         switch (cmd->cmd) {
2010         case ETHTOOL_GRXRINGS:
2011                 cmd->data = vsi->alloc_queue_pairs;
2012                 ret = 0;
2013                 break;
2014         case ETHTOOL_GRXFH:
2015                 ret = i40e_get_rss_hash_opts(pf, cmd);
2016                 break;
2017         case ETHTOOL_GRXCLSRLCNT:
2018                 cmd->rule_cnt = pf->fdir_pf_active_filters;
2019                 /* report total rule count */
2020                 cmd->data = i40e_get_fd_cnt_all(pf);
2021                 ret = 0;
2022                 break;
2023         case ETHTOOL_GRXCLSRULE:
2024                 ret = i40e_get_ethtool_fdir_entry(pf, cmd);
2025                 break;
2026         case ETHTOOL_GRXCLSRLALL:
2027                 ret = i40e_get_ethtool_fdir_all(pf, cmd, rule_locs);
2028                 break;
2029         default:
2030                 break;
2031         }
2032
2033         return ret;
2034 }
2035
2036 /**
2037  * i40e_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2038  * @pf: pointer to the physical function struct
2039  * @cmd: ethtool rxnfc command
2040  *
2041  * Returns Success if the flow input set is supported.
2042  **/
2043 static int i40e_set_rss_hash_opt(struct i40e_pf *pf, struct ethtool_rxnfc *nfc)
2044 {
2045         struct i40e_hw *hw = &pf->hw;
2046         u64 hena = (u64)rd32(hw, I40E_PFQF_HENA(0)) |
2047                    ((u64)rd32(hw, I40E_PFQF_HENA(1)) << 32);
2048
2049         /* RSS does not support anything other than hashing
2050          * to queues on src and dst IPs and ports
2051          */
2052         if (nfc->data & ~(RXH_IP_SRC | RXH_IP_DST |
2053                           RXH_L4_B_0_1 | RXH_L4_B_2_3))
2054                 return -EINVAL;
2055
2056         /* We need at least the IP SRC and DEST fields for hashing */
2057         if (!(nfc->data & RXH_IP_SRC) ||
2058             !(nfc->data & RXH_IP_DST))
2059                 return -EINVAL;
2060
2061         switch (nfc->flow_type) {
2062         case TCP_V4_FLOW:
2063                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2064                 case 0:
2065                         hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
2066                         break;
2067                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2068                         hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_TCP);
2069                         break;
2070                 default:
2071                         return -EINVAL;
2072                 }
2073                 break;
2074         case TCP_V6_FLOW:
2075                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2076                 case 0:
2077                         hena &= ~BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
2078                         break;
2079                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2080                         hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_TCP);
2081                         break;
2082                 default:
2083                         return -EINVAL;
2084                 }
2085                 break;
2086         case UDP_V4_FLOW:
2087                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2088                 case 0:
2089                         hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2090                                   BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4));
2091                         break;
2092                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2093                         hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_UDP) |
2094                                  BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4));
2095                         break;
2096                 default:
2097                         return -EINVAL;
2098                 }
2099                 break;
2100         case UDP_V6_FLOW:
2101                 switch (nfc->data & (RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
2102                 case 0:
2103                         hena &= ~(BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2104                                   BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6));
2105                         break;
2106                 case (RXH_L4_B_0_1 | RXH_L4_B_2_3):
2107                         hena |= (BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_UDP) |
2108                                  BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6));
2109                         break;
2110                 default:
2111                         return -EINVAL;
2112                 }
2113                 break;
2114         case AH_ESP_V4_FLOW:
2115         case AH_V4_FLOW:
2116         case ESP_V4_FLOW:
2117         case SCTP_V4_FLOW:
2118                 if ((nfc->data & RXH_L4_B_0_1) ||
2119                     (nfc->data & RXH_L4_B_2_3))
2120                         return -EINVAL;
2121                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER);
2122                 break;
2123         case AH_ESP_V6_FLOW:
2124         case AH_V6_FLOW:
2125         case ESP_V6_FLOW:
2126         case SCTP_V6_FLOW:
2127                 if ((nfc->data & RXH_L4_B_0_1) ||
2128                     (nfc->data & RXH_L4_B_2_3))
2129                         return -EINVAL;
2130                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER);
2131                 break;
2132         case IPV4_FLOW:
2133                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV4_OTHER) |
2134                         BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV4);
2135                 break;
2136         case IPV6_FLOW:
2137                 hena |= BIT_ULL(I40E_FILTER_PCTYPE_NONF_IPV6_OTHER) |
2138                         BIT_ULL(I40E_FILTER_PCTYPE_FRAG_IPV6);
2139                 break;
2140         default:
2141                 return -EINVAL;
2142         }
2143
2144         wr32(hw, I40E_PFQF_HENA(0), (u32)hena);
2145         wr32(hw, I40E_PFQF_HENA(1), (u32)(hena >> 32));
2146         i40e_flush(hw);
2147
2148         /* Save setting for future output/update */
2149         pf->vsi[pf->lan_vsi]->rxnfc = *nfc;
2150
2151         return 0;
2152 }
2153
2154 /**
2155  * i40e_match_fdir_input_set - Match a new filter against an existing one
2156  * @rule: The filter already added
2157  * @input: The new filter to comapre against
2158  *
2159  * Returns true if the two input set match
2160  **/
2161 static bool i40e_match_fdir_input_set(struct i40e_fdir_filter *rule,
2162                                       struct i40e_fdir_filter *input)
2163 {
2164         if ((rule->dst_ip[0] != input->dst_ip[0]) ||
2165             (rule->src_ip[0] != input->src_ip[0]) ||
2166             (rule->dst_port != input->dst_port) ||
2167             (rule->src_port != input->src_port))
2168                 return false;
2169         return true;
2170 }
2171
2172 /**
2173  * i40e_update_ethtool_fdir_entry - Updates the fdir filter entry
2174  * @vsi: Pointer to the targeted VSI
2175  * @input: The filter to update or NULL to indicate deletion
2176  * @sw_idx: Software index to the filter
2177  * @cmd: The command to get or set Rx flow classification rules
2178  *
2179  * This function updates (or deletes) a Flow Director entry from
2180  * the hlist of the corresponding PF
2181  *
2182  * Returns 0 on success
2183  **/
2184 static int i40e_update_ethtool_fdir_entry(struct i40e_vsi *vsi,
2185                                           struct i40e_fdir_filter *input,
2186                                           u16 sw_idx,
2187                                           struct ethtool_rxnfc *cmd)
2188 {
2189         struct i40e_fdir_filter *rule, *parent;
2190         struct i40e_pf *pf = vsi->back;
2191         struct hlist_node *node2;
2192         int err = -EINVAL;
2193
2194         parent = NULL;
2195         rule = NULL;
2196
2197         hlist_for_each_entry_safe(rule, node2,
2198                                   &pf->fdir_filter_list, fdir_node) {
2199                 /* hash found, or no matching entry */
2200                 if (rule->fd_id >= sw_idx)
2201                         break;
2202                 parent = rule;
2203         }
2204
2205         /* if there is an old rule occupying our place remove it */
2206         if (rule && (rule->fd_id == sw_idx)) {
2207                 if (input && !i40e_match_fdir_input_set(rule, input))
2208                         err = i40e_add_del_fdir(vsi, rule, false);
2209                 else if (!input)
2210                         err = i40e_add_del_fdir(vsi, rule, false);
2211                 hlist_del(&rule->fdir_node);
2212                 kfree(rule);
2213                 pf->fdir_pf_active_filters--;
2214         }
2215
2216         /* If no input this was a delete, err should be 0 if a rule was
2217          * successfully found and removed from the list else -EINVAL
2218          */
2219         if (!input)
2220                 return err;
2221
2222         /* initialize node and set software index */
2223         INIT_HLIST_NODE(&input->fdir_node);
2224
2225         /* add filter to the list */
2226         if (parent)
2227                 hlist_add_behind(&input->fdir_node, &parent->fdir_node);
2228         else
2229                 hlist_add_head(&input->fdir_node,
2230                                &pf->fdir_filter_list);
2231
2232         /* update counts */
2233         pf->fdir_pf_active_filters++;
2234
2235         return 0;
2236 }
2237
2238 /**
2239  * i40e_del_fdir_entry - Deletes a Flow Director filter entry
2240  * @vsi: Pointer to the targeted VSI
2241  * @cmd: The command to get or set Rx flow classification rules
2242  *
2243  * The function removes a Flow Director filter entry from the
2244  * hlist of the corresponding PF
2245  *
2246  * Returns 0 on success
2247  */
2248 static int i40e_del_fdir_entry(struct i40e_vsi *vsi,
2249                                struct ethtool_rxnfc *cmd)
2250 {
2251         struct ethtool_rx_flow_spec *fsp =
2252                 (struct ethtool_rx_flow_spec *)&cmd->fs;
2253         struct i40e_pf *pf = vsi->back;
2254         int ret = 0;
2255
2256         if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2257             test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2258                 return -EBUSY;
2259
2260         if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2261                 return -EBUSY;
2262
2263         ret = i40e_update_ethtool_fdir_entry(vsi, NULL, fsp->location, cmd);
2264
2265         i40e_fdir_check_and_reenable(pf);
2266         return ret;
2267 }
2268
2269 /**
2270  * i40e_add_fdir_ethtool - Add/Remove Flow Director filters
2271  * @vsi: pointer to the targeted VSI
2272  * @cmd: command to get or set RX flow classification rules
2273  *
2274  * Add Flow Director filters for a specific flow spec based on their
2275  * protocol.  Returns 0 if the filters were successfully added.
2276  **/
2277 static int i40e_add_fdir_ethtool(struct i40e_vsi *vsi,
2278                                  struct ethtool_rxnfc *cmd)
2279 {
2280         struct ethtool_rx_flow_spec *fsp;
2281         struct i40e_fdir_filter *input;
2282         struct i40e_pf *pf;
2283         int ret = -EINVAL;
2284         u16 vf_id;
2285
2286         if (!vsi)
2287                 return -EINVAL;
2288
2289         pf = vsi->back;
2290
2291         if (!(pf->flags & I40E_FLAG_FD_SB_ENABLED))
2292                 return -EOPNOTSUPP;
2293
2294         if (pf->auto_disable_flags & I40E_FLAG_FD_SB_ENABLED)
2295                 return -ENOSPC;
2296
2297         if (test_bit(__I40E_RESET_RECOVERY_PENDING, &pf->state) ||
2298             test_bit(__I40E_RESET_INTR_RECEIVED, &pf->state))
2299                 return -EBUSY;
2300
2301         if (test_bit(__I40E_FD_FLUSH_REQUESTED, &pf->state))
2302                 return -EBUSY;
2303
2304         fsp = (struct ethtool_rx_flow_spec *)&cmd->fs;
2305
2306         if (fsp->location >= (pf->hw.func_caps.fd_filters_best_effort +
2307                               pf->hw.func_caps.fd_filters_guaranteed)) {
2308                 return -EINVAL;
2309         }
2310
2311         if ((fsp->ring_cookie != RX_CLS_FLOW_DISC) &&
2312             (fsp->ring_cookie >= vsi->num_queue_pairs))
2313                 return -EINVAL;
2314
2315         input = kzalloc(sizeof(*input), GFP_KERNEL);
2316
2317         if (!input)
2318                 return -ENOMEM;
2319
2320         input->fd_id = fsp->location;
2321
2322         if (fsp->ring_cookie == RX_CLS_FLOW_DISC)
2323                 input->dest_ctl = I40E_FILTER_PROGRAM_DESC_DEST_DROP_PACKET;
2324         else
2325                 input->dest_ctl =
2326                              I40E_FILTER_PROGRAM_DESC_DEST_DIRECT_PACKET_QINDEX;
2327
2328         input->q_index = fsp->ring_cookie;
2329         input->flex_off = 0;
2330         input->pctype = 0;
2331         input->dest_vsi = vsi->id;
2332         input->fd_status = I40E_FILTER_PROGRAM_DESC_FD_STATUS_FD_ID;
2333         input->cnt_index  = I40E_FD_SB_STAT_IDX(pf->hw.pf_id);
2334         input->flow_type = fsp->flow_type;
2335         input->ip4_proto = fsp->h_u.usr_ip4_spec.proto;
2336
2337         /* Reverse the src and dest notion, since the HW expects them to be from
2338          * Tx perspective where as the input from user is from Rx filter view.
2339          */
2340         input->dst_port = fsp->h_u.tcp_ip4_spec.psrc;
2341         input->src_port = fsp->h_u.tcp_ip4_spec.pdst;
2342         input->dst_ip[0] = fsp->h_u.tcp_ip4_spec.ip4src;
2343         input->src_ip[0] = fsp->h_u.tcp_ip4_spec.ip4dst;
2344
2345         if (ntohl(fsp->m_ext.data[1])) {
2346                 if (ntohl(fsp->h_ext.data[1]) >= pf->num_alloc_vfs) {
2347                         netif_info(pf, drv, vsi->netdev, "Invalid VF id\n");
2348                         goto free_input;
2349                 }
2350                 vf_id = ntohl(fsp->h_ext.data[1]);
2351                 /* Find vsi id from vf id and override dest vsi */
2352                 input->dest_vsi = pf->vf[vf_id].lan_vsi_id;
2353                 if (input->q_index >= pf->vf[vf_id].num_queue_pairs) {
2354                         netif_info(pf, drv, vsi->netdev, "Invalid queue id\n");
2355                         goto free_input;
2356                 }
2357         }
2358
2359         ret = i40e_add_del_fdir(vsi, input, true);
2360 free_input:
2361         if (ret)
2362                 kfree(input);
2363         else
2364                 i40e_update_ethtool_fdir_entry(vsi, input, fsp->location, NULL);
2365
2366         return ret;
2367 }
2368
2369 /**
2370  * i40e_set_rxnfc - command to set RX flow classification rules
2371  * @netdev: network interface device structure
2372  * @cmd: ethtool rxnfc command
2373  *
2374  * Returns Success if the command is supported.
2375  **/
2376 static int i40e_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2377 {
2378         struct i40e_netdev_priv *np = netdev_priv(netdev);
2379         struct i40e_vsi *vsi = np->vsi;
2380         struct i40e_pf *pf = vsi->back;
2381         int ret = -EOPNOTSUPP;
2382
2383         switch (cmd->cmd) {
2384         case ETHTOOL_SRXFH:
2385                 ret = i40e_set_rss_hash_opt(pf, cmd);
2386                 break;
2387         case ETHTOOL_SRXCLSRLINS:
2388                 ret = i40e_add_fdir_ethtool(vsi, cmd);
2389                 break;
2390         case ETHTOOL_SRXCLSRLDEL:
2391                 ret = i40e_del_fdir_entry(vsi, cmd);
2392                 break;
2393         default:
2394                 break;
2395         }
2396
2397         return ret;
2398 }
2399
2400 /**
2401  * i40e_max_channels - get Max number of combined channels supported
2402  * @vsi: vsi pointer
2403  **/
2404 static unsigned int i40e_max_channels(struct i40e_vsi *vsi)
2405 {
2406         /* TODO: This code assumes DCB and FD is disabled for now. */
2407         return vsi->alloc_queue_pairs;
2408 }
2409
2410 /**
2411  * i40e_get_channels - Get the current channels enabled and max supported etc.
2412  * @netdev: network interface device structure
2413  * @ch: ethtool channels structure
2414  *
2415  * We don't support separate tx and rx queues as channels. The other count
2416  * represents how many queues are being used for control. max_combined counts
2417  * how many queue pairs we can support. They may not be mapped 1 to 1 with
2418  * q_vectors since we support a lot more queue pairs than q_vectors.
2419  **/
2420 static void i40e_get_channels(struct net_device *dev,
2421                                struct ethtool_channels *ch)
2422 {
2423         struct i40e_netdev_priv *np = netdev_priv(dev);
2424         struct i40e_vsi *vsi = np->vsi;
2425         struct i40e_pf *pf = vsi->back;
2426
2427         /* report maximum channels */
2428         ch->max_combined = i40e_max_channels(vsi);
2429
2430         /* report info for other vector */
2431         ch->other_count = (pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0;
2432         ch->max_other = ch->other_count;
2433
2434         /* Note: This code assumes DCB is disabled for now. */
2435         ch->combined_count = vsi->num_queue_pairs;
2436 }
2437
2438 /**
2439  * i40e_set_channels - Set the new channels count.
2440  * @netdev: network interface device structure
2441  * @ch: ethtool channels structure
2442  *
2443  * The new channels count may not be the same as requested by the user
2444  * since it gets rounded down to a power of 2 value.
2445  **/
2446 static int i40e_set_channels(struct net_device *dev,
2447                               struct ethtool_channels *ch)
2448 {
2449         struct i40e_netdev_priv *np = netdev_priv(dev);
2450         unsigned int count = ch->combined_count;
2451         struct i40e_vsi *vsi = np->vsi;
2452         struct i40e_pf *pf = vsi->back;
2453         int new_count;
2454
2455         /* We do not support setting channels for any other VSI at present */
2456         if (vsi->type != I40E_VSI_MAIN)
2457                 return -EINVAL;
2458
2459         /* verify they are not requesting separate vectors */
2460         if (!count || ch->rx_count || ch->tx_count)
2461                 return -EINVAL;
2462
2463         /* verify other_count has not changed */
2464         if (ch->other_count != ((pf->flags & I40E_FLAG_FD_SB_ENABLED) ? 1 : 0))
2465                 return -EINVAL;
2466
2467         /* verify the number of channels does not exceed hardware limits */
2468         if (count > i40e_max_channels(vsi))
2469                 return -EINVAL;
2470
2471         /* update feature limits from largest to smallest supported values */
2472         /* TODO: Flow director limit, DCB etc */
2473
2474         /* use rss_reconfig to rebuild with new queue count and update traffic
2475          * class queue mapping
2476          */
2477         new_count = i40e_reconfig_rss_queues(pf, count);
2478         if (new_count > 0)
2479                 return 0;
2480         else
2481                 return -EINVAL;
2482 }
2483
2484 #define I40E_HLUT_ARRAY_SIZE ((I40E_PFQF_HLUT_MAX_INDEX + 1) * 4)
2485 /**
2486  * i40e_get_rxfh_key_size - get the RSS hash key size
2487  * @netdev: network interface device structure
2488  *
2489  * Returns the table size.
2490  **/
2491 static u32 i40e_get_rxfh_key_size(struct net_device *netdev)
2492 {
2493         return I40E_HKEY_ARRAY_SIZE;
2494 }
2495
2496 /**
2497  * i40e_get_rxfh_indir_size - get the rx flow hash indirection table size
2498  * @netdev: network interface device structure
2499  *
2500  * Returns the table size.
2501  **/
2502 static u32 i40e_get_rxfh_indir_size(struct net_device *netdev)
2503 {
2504         return I40E_HLUT_ARRAY_SIZE;
2505 }
2506
2507 static int i40e_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key,
2508                          u8 *hfunc)
2509 {
2510         struct i40e_netdev_priv *np = netdev_priv(netdev);
2511         struct i40e_vsi *vsi = np->vsi;
2512         struct i40e_pf *pf = vsi->back;
2513         struct i40e_hw *hw = &pf->hw;
2514         u32 reg_val;
2515         int i, j;
2516
2517         if (hfunc)
2518                 *hfunc = ETH_RSS_HASH_TOP;
2519
2520         if (!indir)
2521                 return 0;
2522
2523         for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) {
2524                 reg_val = rd32(hw, I40E_PFQF_HLUT(i));
2525                 indir[j++] = reg_val & 0xff;
2526                 indir[j++] = (reg_val >> 8) & 0xff;
2527                 indir[j++] = (reg_val >> 16) & 0xff;
2528                 indir[j++] = (reg_val >> 24) & 0xff;
2529         }
2530
2531         if (key) {
2532                 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) {
2533                         reg_val = rd32(hw, I40E_PFQF_HKEY(i));
2534                         key[j++] = (u8)(reg_val & 0xff);
2535                         key[j++] = (u8)((reg_val >> 8) & 0xff);
2536                         key[j++] = (u8)((reg_val >> 16) & 0xff);
2537                         key[j++] = (u8)((reg_val >> 24) & 0xff);
2538                 }
2539         }
2540         return 0;
2541 }
2542
2543 /**
2544  * i40e_set_rxfh - set the rx flow hash indirection table
2545  * @netdev: network interface device structure
2546  * @indir: indirection table
2547  * @key: hash key
2548  *
2549  * Returns -EINVAL if the table specifies an invalid queue id, otherwise
2550  * returns 0 after programming the table.
2551  **/
2552 static int i40e_set_rxfh(struct net_device *netdev, const u32 *indir,
2553                          const u8 *key, const u8 hfunc)
2554 {
2555         struct i40e_netdev_priv *np = netdev_priv(netdev);
2556         struct i40e_vsi *vsi = np->vsi;
2557         struct i40e_pf *pf = vsi->back;
2558         struct i40e_hw *hw = &pf->hw;
2559         u32 reg_val;
2560         int i, j;
2561
2562         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
2563                 return -EOPNOTSUPP;
2564
2565         if (!indir)
2566                 return 0;
2567
2568         for (i = 0, j = 0; i <= I40E_PFQF_HLUT_MAX_INDEX; i++) {
2569                 reg_val = indir[j++];
2570                 reg_val |= indir[j++] << 8;
2571                 reg_val |= indir[j++] << 16;
2572                 reg_val |= indir[j++] << 24;
2573                 wr32(hw, I40E_PFQF_HLUT(i), reg_val);
2574         }
2575
2576         if (key) {
2577                 for (i = 0, j = 0; i <= I40E_PFQF_HKEY_MAX_INDEX; i++) {
2578                         reg_val = key[j++];
2579                         reg_val |= key[j++] << 8;
2580                         reg_val |= key[j++] << 16;
2581                         reg_val |= key[j++] << 24;
2582                         wr32(hw, I40E_PFQF_HKEY(i), reg_val);
2583                 }
2584         }
2585         return 0;
2586 }
2587
2588 /**
2589  * i40e_get_priv_flags - report device private flags
2590  * @dev: network interface device structure
2591  *
2592  * The get string set count and the string set should be matched for each
2593  * flag returned.  Add new strings for each flag to the i40e_priv_flags_strings
2594  * array.
2595  *
2596  * Returns a u32 bitmap of flags.
2597  **/
2598 static u32 i40e_get_priv_flags(struct net_device *dev)
2599 {
2600         struct i40e_netdev_priv *np = netdev_priv(dev);
2601         struct i40e_vsi *vsi = np->vsi;
2602         struct i40e_pf *pf = vsi->back;
2603         u32 ret_flags = 0;
2604
2605         ret_flags |= pf->hw.func_caps.npar_enable ?
2606                 I40E_PRIV_FLAGS_NPAR_FLAG : 0;
2607
2608         return ret_flags;
2609 }
2610
2611 static const struct ethtool_ops i40e_ethtool_ops = {
2612         .get_settings           = i40e_get_settings,
2613         .set_settings           = i40e_set_settings,
2614         .get_drvinfo            = i40e_get_drvinfo,
2615         .get_regs_len           = i40e_get_regs_len,
2616         .get_regs               = i40e_get_regs,
2617         .nway_reset             = i40e_nway_reset,
2618         .get_link               = ethtool_op_get_link,
2619         .get_wol                = i40e_get_wol,
2620         .set_wol                = i40e_set_wol,
2621         .set_eeprom             = i40e_set_eeprom,
2622         .get_eeprom_len         = i40e_get_eeprom_len,
2623         .get_eeprom             = i40e_get_eeprom,
2624         .get_ringparam          = i40e_get_ringparam,
2625         .set_ringparam          = i40e_set_ringparam,
2626         .get_pauseparam         = i40e_get_pauseparam,
2627         .set_pauseparam         = i40e_set_pauseparam,
2628         .get_msglevel           = i40e_get_msglevel,
2629         .set_msglevel           = i40e_set_msglevel,
2630         .get_rxnfc              = i40e_get_rxnfc,
2631         .set_rxnfc              = i40e_set_rxnfc,
2632         .self_test              = i40e_diag_test,
2633         .get_strings            = i40e_get_strings,
2634         .set_phys_id            = i40e_set_phys_id,
2635         .get_sset_count         = i40e_get_sset_count,
2636         .get_ethtool_stats      = i40e_get_ethtool_stats,
2637         .get_coalesce           = i40e_get_coalesce,
2638         .set_coalesce           = i40e_set_coalesce,
2639         .get_rxfh_key_size      = i40e_get_rxfh_key_size,
2640         .get_rxfh_indir_size    = i40e_get_rxfh_indir_size,
2641         .get_rxfh               = i40e_get_rxfh,
2642         .set_rxfh               = i40e_set_rxfh,
2643         .get_channels           = i40e_get_channels,
2644         .set_channels           = i40e_set_channels,
2645         .get_ts_info            = i40e_get_ts_info,
2646         .get_priv_flags         = i40e_get_priv_flags,
2647 };
2648
2649 void i40e_set_ethtool_ops(struct net_device *netdev)
2650 {
2651         netdev->ethtool_ops = &i40e_ethtool_ops;
2652 }